阅读说明：本技术 一种适配器及雨刷 (Adapter and windshield wiper ) 是由 王书屋 于 2021-07-28 设计创作，主要内容包括：一种适配器,其作为雨刷组件与驱动臂之间的连接件,所述的适配器至少包括两个侧壁A和一个顶壁B构成的本体,该两侧壁A设有枢轴连接部,藉由该枢轴连接部可使适配器以枢轴连接部为旋转支点沿其长度方向上下摆动,所述的适配器用于内嵌于驱动臂连接部,且在适配器的前端设有第一限位部,其用于限制驱动臂相对于适配器向前位移,在适配器的两侧壁A设有第二限位部,其用于限制驱动臂相对于适配器向上位移,在适配器顶壁B上且相对于驱动臂连接部顶部限位通孔的位置设有一不具弹性形变的凸块,用于限制适配器向后位移。(An adapter is used as a connecting piece between a windshield wiper assembly and a driving arm, the adapter at least comprises a body consisting of two side walls A and a top wall B, the two side walls A are provided with pivot connecting parts, the adapter can swing up and down along the length direction of the adapter by taking the pivot connecting parts as rotating fulcrums through the pivot connecting parts, the adapter is used for being embedded in the connecting parts of the driving arm, a first limiting part is arranged at the front end of the adapter and used for limiting the forward displacement of the driving arm relative to the adapter, second limiting parts are arranged on the two side walls A of the adapter and used for limiting the upward displacement of the driving arm relative to the adapter, and a lug without elastic deformation is arranged on the top wall B of the adapter and relative to a limiting through hole at the top of the connecting part of the driving arm and used for limiting the backward displacement of the adapter.)

1. An adapter (100a,100B,100c,100d,100e,100f,100g) as a connecting member between a wiper assembly and a driving arm, the driving arm being provided at a front end thereof with a driving arm connecting portion (200a,200B), the driving arm connecting portion (200a,200B) being a U-shaped channel member having at least one stopper through hole (201a,201B) at a top thereof, the adapter (100a,100B,100c,100d,100e,100f,100g) comprising a body formed by at least two side walls A and a top wall B, the two side walls A being provided with a pivot connecting portion (101), the adapter (100a,100B,100c,100d,100e,100f,100g) being swingable clockwise or counterclockwise about the pivot connecting portion (101), the adapter (100a,100B,100c,100d,100e,100f,100g), 100e,100f,100g) for embedding in the drive arm connection (200a,200B), the side wall a and the top wall B thereof acting as a bearing support surface for the drive arm connection (200a,200B), characterized in that: a first stopper portion (1a,1B,1c) for restricting forward displacement of the driving arm connecting portion with respect to the adaptor (100a,100B,100c,100d,100e,100f,100g) is provided at a front end of the adaptor (100a,100B,100c,100d,100e,100f,100g), a second stopper portion (2a, 2B, 2c) for restricting upward displacement of the driving arm connecting portion with respect to the adaptor (100a,100B,100c,100d,100e,100f,100g) is provided at both side walls A of the adaptor (100a,100B,100c,100d,100e,100f,100g), a projection (3) having no elastic deformation is provided at a position of a top stopper through hole (201a,201B) of the driving arm connecting portion (200a,200B) on a top wall B of the adaptor (100a,100B,100c,100d,100e,100f,100g), the length X1 of the bump (3) is less than the length X2 of the limit through holes (201a,201b) of the driving arm connecting parts (200a,200b), and the first limit parts (1a,1b,1c) can realize the switching of two working states;

when the driving arm connecting parts (200a,200b) are sleeved at the outer ends of the adapters (100a,100b,100c,100d,100e,100f,100g) from top to bottom, the convex blocks (3) are arranged in the limit through holes (201a,201b), the first limit parts (1a,1b,1c) are in a first working state, and the first limit parts (1a,1b,1c) cannot limit the forward displacement of the driving arm connecting parts relative to the adapters (100a,100b,100c,100d,100e,100f,100 g); when the driving arm connecting part (200a,200b) displaces relative to the adaptor (100a,100b,100c,100d,100e,100f,100g) from front to back until the lug (3) and the limit through hole (201a,201b) abut against each other, the driving arm connecting part (200a,200b) cannot displace backward relative to the adaptor (100a,100b,100c,100d,100e,100f,100g), and at the time, the first limit part (1a,1b,1c) is in the second working state, and the first limit part (1a,1b,1c) limits the driving arm connecting part (200a,200b) to displace forward relative to the adaptor (100a,100b,100c,100d,100e,100f,100 g).

2. The adapter of claim 1, wherein: the top wall B of the adapters (100a,100B,100c,100d,100e,100f,100g) is provided with a hollow-out part (4) at a position relative to the pivot connection part (101), and the hollow-out part (4) provides a space for the adapters (100a,100B,100c,100d,100e,100f,100g) to swing up and down along the length direction of the adapters (100a,100B,100c,100d,100e,100f,100g) by taking the pivot connection part (101) as a rotation fulcrum.

3. The adapter of claim 1, wherein: the height of the bump (3) is larger than the thickness of the top wall of the driving arm connecting part (200a,200b), and the top of the bump (3) is provided with a bending part (31) extending towards the front end of the adapter (100a,100b,100c,100d,100e,100f,100 g).

4. An adapter as claimed in any one of claims 1 to 3, wherein:

the first limiting part (1a) of the adapter (100a,100B,100e) is an elastic cantilever (11) arranged at the front end of the top wall B along the length direction thereof, and a salient point (12) is arranged at the free end of the elastic cantilever (11);

when the driving arm connecting parts (200a,200b) are sleeved at the outer ends of the adapters (100a,100b,100e) from top to bottom, the front ends of the inner top walls of the driving arm connecting parts (200a,200b) press down the salient points (12) to drive the elastic cantilevers (11) to bend downwards to be in a first working state, the protrusions (3) of the adapters (100a,100b) can be arranged in the limiting through holes (201a,201b), when the driving arm connecting parts (200a,200b) move from front to back relative to the adapters (100a,100b,100e) until the protrusions (3) and the limiting through holes (201a,201b) are abutted against each other, the elastic cantilevers (11) rebound to form a second working state, the salient points (12) of the elastic cantilevers (11) abut against the front ends of the top walls of the driving arm connecting parts (200a,200b), and the driving arm connecting parts (200a,200b) are limited relative to the adapters (100a,100b,100e) are displaced forward.

5. An adapter as claimed in any one of claims 1 to 3, wherein: the first limiting part (1B) of the adapter (100c,100f) comprises an elastic cantilever (11a) and a sliding cover (13), the elastic cantilever (11a) is positioned at the front end of the top wall B of the adapter (100c,100f) body and arranged along the length direction of the top wall B, a salient point (12a) is arranged at the free end of the elastic cantilever (11a), the sliding cover (13) is of a cover body structure, one side of the sliding cover, which faces the elastic cantilever (11a), is provided with an opening end, the top of the sliding cover is provided with a positioning hole (131), and the sliding cover (13) can be buckled to the front end part of the adapter (100c,100f) body and can reciprocate along the length direction of the adapter (100c,100f) body;

when the first limiting parts (1b) of the adapters (100c,100f) are in a first working state, the sliding covers (13) are positioned at positions far away from the front end parts of the adapters (100c,100f), the positioning holes (131) and the convex points (12a) of the adapters (100c,100f) are separated from each other, the driving arm connecting parts (200a,200b) are sleeved at the outer ends of the adapters (100c,100f) from top to bottom, the driving arm connecting parts (200a,200b) cannot interfere with the sliding covers (13), and the convex blocks (3) of the adapters (100c,100f) can be placed in the limiting through holes (201a,201 b); the driving arm connecting parts (200a,200b) are displaced from front to back relative to the adapters (100c,100f) until the lug (3) and the limiting through hole (201a) are abutted against each other, then the first limiting parts (1b) of the adapters (100c,100f) are adjusted to be in a second working state, the sliding cover (13) is displaced from front to back relative to the adapters (100c,100f), the positioning hole (131) and the lug (12a) are mutually nested and matched, at the moment, the end surface of one side of the sliding cover (13) facing the driving arm connecting parts (200a,200b) is abutted against the front end surfaces of the driving arm connecting parts (200a,200b), and the driving arm connecting parts (200a,200b) are limited from being displaced forwards relative to the adapters (100c,100 f).

6. The adapter of claim 5, wherein: the two inner side walls of the sliding cover (13) are respectively provided with a horizontal guide protruding strip (132), one side of each guide protruding strip (132) close to the opening end of the sliding cover (13) is provided with a barb (1321), two side walls A of the front end of the adapter (100c,100f) body are provided with grooves (133) at positions corresponding to the guide protruding strips (132), and the front end of each adapter (100c,100f) in each groove (133) is provided with a limiting block (1331); the sliding cover (13) can slide back and forth relative to the adapters (100c,100f) by the matching of the guide convex strip (132) and the groove (133), when the sliding cover (13) slides towards the direction far away from the convex point (12a) of the elastic cantilever (11a) until the barb (1321) abuts against the limiting block (1331), at the moment, the first limiting part (1b) of the adapters (100c,100f) is in a first working state, and the sliding cover (13) can not abut against and match with the connecting parts (200a,200b) of the driving arm; when the sliding cover (13) slides towards the direction approaching the salient point (12a) of the elastic cantilever (11a) and the clamping points (12a) are mutually nested and matched through the positioning hole (131), the first limiting parts (1b) of the adapters (100c,100f) are in a second working state, the sliding cover (13) and the front end surfaces of the driving arm connecting parts (200a,200b) are mutually abutted, and the driving arm connecting parts (200a,200b) are limited to move forwards relative to the adapters (100c,100 f).

7. The adapter of any of claims 4-6, wherein: the fixed end of the elastic cantilever (11,11a) is arranged at the front end of the top wall B of the body of the adapter (100a,100B,100c,100 f), and the salient point (12,12a) is provided with a first guide inclined surface (121,121a) at one side facing the fixed end.

8. An adapter as claimed in any one of claims 1 to 3, wherein: the first limiting part (1c) of the adapter (100d,100g) comprises a turnover cover (14), and the turnover cover (14) is hinged to the front end of the adapter (100d,100g) body; when the first limiting parts (1c) of the adapters (100d,100g) are in the first working state, the turnover covers (14) of the adapters are turned outwards, the turnover covers (14) cannot interfere with the front ends of the driving arm connecting parts (200a,200b), and therefore the driving arm connecting parts (200a,200b) cannot be limited to move forwards relative to the adapters (100d,100 g); when the first limiting parts (1c) of the adapters (100d,100g) are in the second working state, the turnover cover (14) is firmly buckled to the front ends of the adapters (100d,100g) and is abutted against the front end surfaces of the driving arm connecting parts (200a,200b) to limit the forward displacement of the driving arm connecting parts (200a,200b) relative to the adapters (100d,100 g).

9. The adapter of any of claims 4-8, wherein: when the driving arm connecting part is a first driving arm connecting part (200a), the bottoms of the two side walls of the first driving arm connecting part (200a) are respectively provided with a pair of first limiting clamping points (202) and first limiting clamping strips (203) which are hooked inwards at intervals from front to back; the second limit parts (2a, 2b) of the first adapters (100a,100b,100c,100d) are respectively provided with a first positioning reference part (21) and a second positioning reference part (22) which are arranged at intervals and are outwards protruded from two side walls A, the bottoms of the first positioning reference part (21) and the second positioning reference part (22) are respectively provided with a first positioning reference surface (211) and a second positioning reference surface (221) horizontally, the horizontal length of a first positioning part (230) is larger than the length of a first limit clamping strip (203) formed between the first positioning base part (21) and the second positioning reference part (22), when the first driving arm connecting part (200a) is sleeved outside the first adapters (100a,100b,100c,100d) from top to bottom, the outer side surfaces of the first positioning reference part (21) and the second positioning reference part (22) and the inner side wall of the first driving arm connecting part (200a) are mutually abutted and matched, meanwhile, the first limit clamping point (202) and the first limit clamping strip (203) respectively abut against the corresponding first positioning reference surface (211) and the second positioning reference surface (221) in the vertical direction, so that the upward displacement of the first driving arm connecting part (200a) relative to the first adapters (100a,100b,100c and 100d) is limited.

10. The adapter of claim 9, wherein: when the front end of the top wall B of the first limiting part (1a, 1B) of the first adapter (100B, 100c) is provided with an elastic cantilever (11), the side wall a of the first adapter (100B, 100c) is provided with positioning parts (16) at intervals and convexly arranged at the front end of the first positioning reference part (21), a sliding groove (212) formed by a vertical section (2121) and an oblique section (2122) is formed between the positioning parts (16) and the first positioning reference part (21) from top to bottom, the oblique section (2122) of the sliding groove (212) is arranged from top to bottom in a direction away from the elastic cantilever (11), the second positioning reference part (22) forms a guide rib (222) from top to bottom on the end surface of one side facing the elastic cantilever (11), and the contour of the guide rib (222) is basically consistent with the contour of the sliding groove (212).

11. The adapter of claim 10, wherein: an abdicating space (223) which can be used for the backward displacement of the first limiting clamping strip (203) of the first driving arm connecting part (200a) is formed between the bottom of the guide convex rib (222) and the second positioning reference surface (221).

12. The adapter of any of claims 4-8, wherein: when the driving arm connecting part is a second driving arm connecting part (200b), the bottom parts of two side walls of the second driving arm connecting part (200b) are provided with a pair of second limiting clamping strips (204) which are hooked towards the inner side, and the front end of at least one second limiting clamping strip (204) is provided with a second limiting clamping point (205) which extends inwards; the second limiting parts (2c) of the second adapters (100e,100f,100g) are provided with a third positioning reference part (23) and a fourth positioning reference part (24) from front to back respectively for two side walls A, the bottom of the fourth positioning reference part (24) is horizontally provided with a fourth positioning reference surface (241), a second avoidance part (25) for inserting the second limiting clamping strip (204) is formed between the third positioning reference part (23) and the fourth positioning reference part (24), and a third avoidance part (26) is arranged at the second avoidance part (25) and opposite to the second limiting clamping point (205) of the second driving arm connecting part (200 b); and a third positioning reference surface (251) is arranged at the bottom of the second containing part (25) and at a position adjacent to the third containing part (26), when the second driving arm connecting part (200b) is sleeved outside the second adapters (100e,100f and 100g) from top to bottom, the outer side surfaces of the third positioning reference part (23) and the fourth positioning reference part (24) and the inner side wall of the second driving arm connecting part (200b) are mutually abutted and matched, and meanwhile, the second limiting clamping point (205) and the second limiting clamping strip (204) are respectively abutted against the corresponding third positioning reference surface (251) and the fourth positioning reference surface (241) in the vertical direction, so that the upward displacement of the second driving arm connecting part (200b) relative to the second adapters (100e,100f and 100g) is limited.

13. A wiper blade, characterized in that it comprises an adapter (100a,100b,100c,100d,100e,100f,100g) according to any of claims 1 to 12, said adapter (100a,100b,100c,100d,100e,100f,100g) being adapted to enable connection of a wiper blade assembly to a drive arm.

Technical Field

The invention relates to the field of wipers, in particular to an adapter for connecting a wiper assembly with a driving arm and a wiper provided with the adapter.

Background

Different vehicle models are adapted with different wiper driving arms, for example, patent publications CN210133087U and US20200122690a1 disclose a driving arm connecting part 200a, as shown in fig. 1-1, which has a U-shaped groove member surrounded by a top wall and two side walls, wherein a pair of first limiting clamping points 202 and a first limiting clamping strip 203 which are hooked inwards are respectively arranged at intervals from front to back on the bottoms of the two side walls, and the top wall has a limiting through hole 201 a; wherein the adapter 30a (herein named adapter) disclosed in CN101189148B has a resiliently deformable button 34a (see fig. 1-2), and the adapter 2a disclosed in US20200122690a1 also has a resiliently deformable locking tab 221a, 231a (see fig. 1-3), through which the button 34a and the locking tab 221a, 231a (hereinafter referred to as resilient snap point) are nested with the limit through hole 201a of the driving arm connecting portion 200a, but because of the resilient snap point, the resilient snap point of the adapter is easily disengaged from the limit through hole 201a of the driving arm connecting portion 200a under the following use conditions: firstly, when the driving arm connecting part 200a is connected with a wiper assembly through an adapter to wipe the windshield of the motor vehicle back and forth, a larger component force is applied to an elastic clamping point of the adapter by a limiting through hole 201a of the driving arm connecting part 200a, especially under the condition of severe weather environment, such as strong wind environment; the adapter is mainly a plastic part, the elastic clamping point of the adapter is mainly arranged at the free end of the elastic cantilever, after the adapter is used for a period of time, the elastic cantilever is easy to age and lacks resilience, so that the elastic cantilever sinks or is broken in the using process.

As shown in fig. 2-1, another wiper driving arm connecting portion 200b is a U-shaped groove member, specifically, referring to CN111114497A, the bottom of the side edge thereof is respectively provided with second limiting clamping strips 204 disposed oppositely, the front end of at least one second limiting clamping strip 204 facing the driving arm connecting portion is provided with a second limiting clamping point 205, the top wall thereof is provided with a limiting through hole 201b, according to the wiper arm joint 12a (named as adapter of the present invention) matching with the driving arm connecting portion 200b disclosed in the specification, as shown in fig. 2-2, the side wall thereof is sequentially formed with a first clamping groove 1271a and a second clamping groove 1212a from front to back, the second limiting clamping point 205 and the second limiting clamping strip 204 disposed correspondingly to the driving arm connecting portion 200b are nested and matched with each other through the first clamping groove 1271a and the second clamping groove 1212a, so as to limit the upward and rearward displacement of the driving arm connecting portion 200b relative to the wiper arm joint 12a, the front end of the scraping arm joint 12a is provided with a turnover cover 14a for limiting the forward displacement of the driving arm connecting part 200b relative to the scraping arm joint 12a, by adopting the structure, the structure of the side wall of the scraping arm joint 12a is relatively complex, the requirement on the precision of a manufacturing mould is high, the manufacturing cost is high, and the design enables the through hole 201b on the top wall of the driving arm connecting part 200b to be an invalid design; the following disclosure also discloses an adapter capable of being nested and fitted with the through hole 201b on the top wall of the driving arm connecting portion 200b, such as CN107054301A, but the technical means adopted by the adapter is basically the same as the technical means of the adapters 30a and 2a and the limiting through hole 201a of the driving arm connecting portion 200a by providing an elastic clamping point on the top wall of the adapter, so the technical problems generated by the adapters are different and will not be described again.

In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.

Disclosure of Invention

The first purpose of the invention is to provide an adapter which can be stably connected with a connecting part of a driving arm, wherein the adapter has longer service life, is not easy to be separated from the connecting part of the driving arm in the scraping and brushing process, and ensures the driving safety.

A second object of the present invention is to provide a wiper blade including the aforementioned adapter.

In order to achieve the first object of the present invention, the present invention discloses an adapter as a connecting member between a wiper assembly and a driving arm, the driving arm having a driving arm connecting portion at a front end thereof, the driving arm connecting portion being a U-shaped groove member having at least one limiting through hole at a top thereof, the adapter comprising a body formed by at least two side walls a and a top wall B, the side walls a having pivot connecting portions by which the adapter can swing up and down along a length direction thereof with the pivot connecting portion as a rotation fulcrum, the adapter being adapted to be embedded in the driving arm connecting portion, the side walls a and the top wall B serving as bearing and supporting surfaces of the driving arm connecting portion, and the adapter having a first limiting portion at a front end thereof for limiting forward displacement of the driving arm relative to the adapter, and a second limiting portion at a side wall a thereof for limiting upward displacement of the driving arm relative to the adapter, a bump without elastic deformation is arranged on the top wall B of the adapter and at a position corresponding to the limit through hole at the top of the connecting part of the driving arm, the length X1 of the bump is less than the length X2 of the limit through hole at the connecting part of the driving arm, and the first limit part can realize the switching of two working states;

when the driving arm connecting part is sleeved at the outer end of the adapter from top to bottom, the lug is arranged in the limiting through hole at the moment, the first limiting part is in a first working state, and the first limiting part cannot limit the forward displacement of the driving arm connecting part relative to the adapter; when the driving arm connecting part moves relative to the adapter from front to back until the bump abuts against the limiting through hole, the driving arm connecting part cannot move backwards relative to the adapter, and at the moment, the first limiting part is in the second working state and limits the driving arm connecting part to move forwards relative to the adapter.

Adopt above-mentioned structure, because the lug of adapter is set firmly the roof of adapter, do not have elastic deformation, simultaneously in order to guarantee that this lug can be installed smoothly in the spacing through-hole of actuating arm connecting portion, set up first spacing portion into the change that has two operating condition, because first spacing portion is used for blockking actuating arm connecting portion and for the adapter displacement forward, consequently these two operating condition can be understood that this first spacing portion is used for having two different position states at least with the part that actuating arm connecting portion pushed up each other, and at least when first spacing portion and actuating arm connecting portion front end when leaning on each other, first spacing portion can be in a stable state, can effectively restrict connecting portion and for the adapter displacement forward.

Further, the top wall B of the adapter is provided with a hollow part in a position relative to the pivot connecting part, the hollow part provides a yielding space so that the adapter can swing up and down along the length direction of the adapter by taking the pivot connecting part as a rotating fulcrum, and the overall height of the adapter is effectively reduced by the design of the hollow part.

Furthermore, the height of the bump is larger than the thickness of the top wall of the connecting part of the driving arm, the top of the bump is provided with a bending part extending towards the front end of the adapter, and through the design of the bending part, the limiting structure of the connecting part of the adapter and the driving arm in the vertical direction can be increased, and the stability of connection between the adapter and the connecting part of the driving arm is increased.

As one embodiment of the first limiting part of the adapter, the first limiting part of the adapter is an elastic cantilever arranged at the front end of the top wall and along the length direction of the top wall, and a salient point is arranged at the free end of the elastic cantilever; when the outer end of the adapter is arranged in to actuating arm connecting portion top-down cover, the top wall front end pushes down the bump in the actuating arm connecting portion this moment, order about the elasticity cantilever and bend downwards and be in first operating condition, ensure that the bump of adapter can be placed in spacing through-hole in, when the actuating arm connecting portion supports when leaning on each other until bump and spacing through-hole for the adapter from forward to backward translation, the elasticity cantilever resilience forms second operating condition this moment, the top wall front end in the actuating arm connecting portion is supported on to its elasticity cantilever's bump top, restriction actuating arm connecting portion is for the adapter displacement forward.

As one embodiment of the first limiting part of the adapter, the first limiting part of the adapter includes an elastic cantilever and a sliding cover, the elastic cantilever is located at the front end of the top wall B of the adapter body and is arranged along the length direction of the top wall B, a convex point is arranged at the free end of the elastic cantilever, the sliding cover is a cover body structure, one side of the sliding cover facing the elastic cantilever is provided with an open end, the top of the sliding cover is provided with a positioning hole, and the sliding cover 13 can be buckled to the front end part of the adapter body and can reciprocate along the length direction of the adapter body; when the first limiting part of the adapter is in a first working state, the sliding cover is positioned at a position far away from the front end part of the adapter body, the positioning hole is separated from the salient point of the adapter, the driving arm connecting part is sleeved at the outer end of the adapter from top to bottom, the driving arm connecting part cannot interfere with the sliding cover, and the protruding block of the adapter can be placed in the limiting through hole; the driving arm connecting portion is translated from front to back relative to the adapter until the bump and the limiting through hole abut against each other, then the first limiting portion of the adapter is adjusted to be in a second working state, the sliding cover is displaced from front to back relative to the adapter, the positioning hole and the bump are mutually nested and matched, at the moment, the sliding cover abuts against each other towards one side end face of the driving arm connecting portion and the front end face of the driving arm connecting portion, and the driving arm connecting portion is limited to displace forwards relative to the adapter.

As one embodiment of the first limiting part of the adapter, the first limiting part of the adapter comprises a flip cover, and the flip cover is hinged to the front end of the adapter body; when the first limiting part of the adapter is in a first working state, the turnover cover of the adapter is turned outwards, and the turnover cover cannot interfere with the front end of the driving arm connecting part, so that the driving arm connecting part cannot be limited to move forwards relative to the adapter; when the first limiting part of the adapter is in the second working state, the turnover cover is firmly buckled to the front end of the adapter body and is abutted against the front end surface of the driving arm connecting part, and the driving arm connecting part is limited to move forwards relative to the adapter.

When the driving arm connecting part is specifically defined as a first driving arm connecting part, the bottoms of the two side walls of the first driving arm connecting part are respectively provided with a pair of first limiting clamping points and first limiting clamping strips which are inwards hooked at intervals from front to back; the second limiting part of the first adapter is a first positioning reference part and a second positioning reference part which are respectively arranged on two side walls A in an outward protruding way and are arranged at intervals, the bottoms of the first positioning reference part and the second positioning reference part are respectively and horizontally provided with a first positioning reference surface and a second positioning reference surface, and the horizontal length of the first relief part formed between the first positioning base part and the second positioning reference part is larger than the length of the first limit clamping strip, when the first driving arm connecting part is sleeved on the outer side of the first adapter from top to bottom, the outer side surfaces of the first positioning reference part 21 and the second positioning reference part are mutually abutted and matched with the inner side wall of the first driving arm connecting part, meanwhile, the first limiting clamping point and the first limiting clamping strip are respectively abutted against the corresponding first positioning reference surface and the second positioning reference surface in the vertical direction, so that the upward displacement of the first driving arm connecting part relative to the first adapter is limited.

When the driving arm connecting part is specifically limited to be a second driving arm connecting part, the bottom parts of two side walls of the second driving arm connecting part are provided with a pair of second limiting clamping strips which are reversely hooked towards the inner side, and the front end of at least one second limiting clamping strip is provided with a second limiting clamping point which extends inwards; the second limiting part of the second adapter is characterized in that two side walls A are respectively provided with a third positioning reference part and a fourth positioning reference part from front to back, the bottom of the fourth positioning reference part is horizontally provided with a fourth positioning reference surface, a second yielding part for inserting a second limiting clamping strip is formed between the third positioning reference part and the fourth positioning reference part, and meanwhile, a third yielding part is arranged at the second yielding part and corresponding to the position of a second limiting clamping point of the connecting part of the second driving arm; the bottom of the second positioning portion and the position close to the third positioning portion are provided with a third positioning reference surface, when the second driving arm connecting portion is sleeved on the outer side of the second adapter from top to bottom, the outer side surfaces of the third positioning reference portion and the fourth positioning reference portion are mutually abutted and matched with the inner side wall of the second driving arm connecting portion, and meanwhile, the second driving arm connecting portion is limited to be upwardly displaced relative to the second adapter by means of mutual abutting of a second limiting clamping point and a second limiting clamping strip with the corresponding third positioning reference surface and the fourth positioning reference surface in the vertical direction.

The invention also discloses a windshield wiper supported by the adapters, which at least comprises a windshield wiper assembly consisting of a windshield wiper rubber strip and a windshield wiper support, wherein the windshield wiper support is a boneless support consisting of a bone support or an elastic sheet, a pivot connecting seat is fixedly arranged on the windshield wiper support, and the adapters are mutually pivoted with the pivot connecting seat through the pivot connecting part of the adapters.

Adopt the windshield wiper that above-mentioned adapter was made, can ensure that the windshield wiper can be connected to the actuating arm connecting portion more steadily, and the lug on this adapter is difficult for breaking away from the spacing through-hole of actuating arm connecting portion, guarantees driving safety.

Drawings

The detailed description, given as a non-limiting example, better explains what the invention includes and can be implemented, and moreover, refers to the accompanying drawings, in which:

FIG. 1-1 is a perspective view of a first drive arm coupling portion disclosed in the background of the present invention;

figures 1-2 are perspective views of one of the conventional adapters for use with a first drive arm connection disclosed in the background of the invention;

figures 1-3 are perspective views of another adapter suitable for use with the first drive arm connection disclosed in the background of the invention;

FIG. 2-1 is a perspective view of a second drive arm attachment disclosed in the background of the invention;

FIG. 2-2 is a perspective view of a conventional adapter for a second drive arm connection disclosed in the background of the invention;

FIG. 3-1 is an exploded view of an adapter and a first drive arm coupling portion in accordance with a first embodiment of the present disclosure;

3-2 is a schematic view of the installation of the adaptor and the first drive arm connection portion of the first embodiment of the disclosed invention;

3-3 are exploded views of the adaptor and the first drive arm connection portion according to a second embodiment of the present disclosure;

FIGS. 3-4 are exploded bottom views of the adapter and the first drive arm connection portion of the second embodiment of the present disclosure;

FIGS. 3-5 are schematic views illustrating an installation process of a second embodiment of the present disclosure;

FIGS. 3-6 are schematic views illustrating the installation of the adaptor and the first driving arm connecting portion according to the second embodiment of the present disclosure;

FIGS. 3-7 are exploded views of a sliding cover and a body of an adapter according to a third embodiment of the present disclosure;

FIGS. 3-8 are schematic front views of a sliding cover of an adapter according to a third embodiment of the disclosure;

FIGS. 3-9 are schematic views illustrating the mounting of the adaptor and the first driving arm connecting portion according to the third embodiment of the present disclosure;

FIGS. 3-10 are exploded views of a flip cover and a body of an adapter according to a fourth embodiment of the present disclosure;

FIGS. 3-11 are schematic front views of a flip cover of an adapter according to a fourth embodiment of the present disclosure;

FIGS. 3-12 are schematic views illustrating a flip cover in an inverted state when the adapter of the fourth embodiment of the present disclosure is mounted on the connecting portion of the first driving arm;

FIGS. 3-13 are schematic views illustrating a fourth embodiment of the adapter of the present disclosure with the flip cover in a closed state when the adapter is mounted to the first driving arm connecting portion;

FIG. 4-1 is an exploded view of a fifth embodiment of the adapter and second drive arm connection disclosed in the present invention;

FIG. 4-2 is a schematic view of the adaptor and the second driving arm connecting portion of the fifth embodiment of the present disclosure;

FIGS. 4-3 are exploded bottom views of the adaptor and the second drive arm connecting portion according to the fifth embodiment of the present disclosure;

FIGS. 4-4 are bottom views of the adaptor and the second drive arm connecting portion of the fifth embodiment of the present disclosure;

FIGS. 4-5 are schematic views illustrating the installation process of the adaptor and the second driving arm connecting portion according to the fifth embodiment of the present disclosure;

FIGS. 4-6 are exploded views of a sliding cover and a body of an adapter according to a sixth embodiment of the present disclosure;

FIGS. 4-7 are schematic views illustrating the mounting of the adaptor and the second driving arm connecting portion according to the sixth embodiment of the present disclosure;

FIGS. 4-8 are exploded views of a flip cover and a body of an adapter according to a seventh embodiment of the present disclosure;

FIGS. 4-9 are schematic views illustrating a flip cover in an inverted state when the adaptor according to a seventh embodiment of the present invention is mounted on the connecting portion of the second driving arm;

FIGS. 4-10 are schematic views illustrating a flip cover in a closed state when the adaptor of the seventh embodiment of the present disclosure is mounted on the connecting portion of the second driving arm;

fig. 5 is a schematic view of a wiper blade according to the present invention, to which an adaptor and a second driving arm connecting portion according to a fifth embodiment are attached.

Detailed Description

The invention is described in detail below with reference to the figures and the specific embodiments.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length," "upper," "lower," "front," "back," "top," "bottom," "inner," "outer," etc. indicate orientations or positional relationships based on those illustrated in the drawings, and are used merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The definition of windshield wiper subassembly, ordinary skilled in the art can know that this windshield wiper subassembly has the windshield wiper support at least, windshield wiper adhesive tape and the connection base of setting at windshield wiper support middle part, this connection base is used for articulating each other with the pivot connection portion of adapter, this windshield wiper support can be for there being the bone support or be the boneless support of constituteing by the shell fragment, or by having the mixed support that bone support and shell fragment constitute jointly, the bottom of this windshield wiper support is direct or the indirect windshield wiper adhesive tape that has set firmly, windshield wiper support is used for transmitting the actuating arm and applies to the reciprocal wobbling lateral force of windshield wiper adhesive tape, and ensure that the windshield of vehicle is hugged closely to the windshield adhesive tape, general condition has the bone windshield wiper support not to have the water conservancy diversion sheath, and boneless support has the water conservancy diversion sheath, this water conservancy diversion sheath sets up the top at the windshield wiper adhesive tape.

Aiming at the conception of the invention, the invention discloses two different series of adapters to be matched with two different types of driving arm connecting parts, the top walls of the two series of adapters are designed into lugs without elastic deformation, and a first limiting part at the front end of the adapter needs to ensure an activity space with a certain margin so that the first limiting part can be adjusted with the abutting position of the front end of the driving arm connecting part, and the lug of the adapter can be inserted into a limiting through hole of the driving arm connecting part and is in limiting abutting fit.

The following is a detailed description of an adapter for connecting the first driving arm connecting portion 200 a:

as shown in fig. 1-1, the first driving arm connecting portion 200a is a U-shaped groove member formed by two side walls and a top wall, a pair of first limiting clamping points 202 and a first limiting clamping strip 203 are respectively arranged at the bottom of the side wall from front to back at intervals, and the top wall is provided with a limiting through hole 201 a.

Specific examples of the first adapter connected to the first driving arm connecting portion 200 a:

example 1:

as shown in fig. 3-1 and 3-2, the first adapter 100a is generally an injection molded part, and includes a body surrounded by at least two side walls a and a top wall B, the two side walls a are respectively and oppositely provided with a protruding shaft 101 extending inward, the wiper assembly is fixedly provided with a hinge seat, a pivot hole is provided at a position corresponding to the hinge seat, and the protruding shaft 101 and the pivot hole are mutually matched to form a pivot connection relationship (not shown), so that the first adapter 100a can swing up and down along the length direction thereof with the protruding shaft 101 as a rotation fulcrum, it should be noted that if the protruding shaft 101 and a part carried by the pivot hole are replaced, the pivot connection relationship between the first adapter 100a and the hinge seat can also be realized, that is, the protruding shaft is provided on the hinge seat, and the position corresponding to the two side walls a of the first adapter 100a is provided with the pivot hole.

The top wall B of the first adapter 100a is sequentially provided with a first limiting part 1a and a bump 3 without elastic deformation from front to back along the length direction; the first limiting portion 1a is provided with an elastic cantilever 11 along the length direction at the front end of the top wall, the free end of the elastic cantilever 11 is provided with a convex point 12, and the convex point 12 forms a resisting surface 122 at the end surface of one side facing the first driving arm connecting portion 200a, and the more preferable design is that the fixed end of the elastic cantilever 11 is provided at the front end of the top wall B of the first adapter 100a, and the free end of the elastic cantilever 11 faces one side of the first driving arm connecting portion 200a, so that when the convex point 12 on the elastic cantilever 11 and the front end of the first driving arm connecting portion 200a are mutually supported and in axial stress, the elastic cantilever 11 is not easily bent and deformed. The length X1 of the lug 3 is less than the length X2 of the limiting through hole 201, so that the lug 3 has a space for displacement in the length direction of the first adapter 100a in the limiting through hole 201; meanwhile, in order to enable the first adapter 100a to swing up and down along the length direction thereof by taking the pivot connection part 101 as a rotation fulcrum, a hollow part 4 is preferably arranged at the position of the top wall B relative to the pivot connection part 101, although it is also possible if the top wall B is provided with a closed end, which will cause the height of the whole first adapter 100a to increase, and will increase the wind resistance; in order to increase the structural strength of the hollow portion 4, at least a plurality of reinforcing ribs 41 are disposed on the hollow portion 4, and both ends of the reinforcing ribs 41 are respectively connected to the two side walls a of the first adaptor 100 a.

Two side walls a of the first adapter 100a are provided with two first positioning reference parts 21 and two second positioning reference parts 22 protruding outward from front to back in sequence, the horizontal length of the first relief part 230 between the first positioning base part 21 and the second positioning reference part 22 is larger than the length of the first limit clamping strip 203, the bottoms of the first positioning reference part 21 and the second positioning reference part 22 are respectively provided with a first positioning reference surface 211 and a second positioning reference surface 221 horizontally, because the first positioning reference part 21 and the second positioning reference part 22 are respectively protruded on the two side walls a, the first positioning reference part 21 and the second positioning reference part 22 respectively form guiding convex ribs 212a and 222a on one side facing the front end of the first adapter 100a for abutting against and sliding matching with the first limit clamping point 202 and the first limit clamping strip 203 arranged corresponding to the first driving arm connecting part 200a, meanwhile, the outer side end faces of the first positioning reference part 21 and the second positioning reference part 22 need to have necessary processing precision at least in a certain area region, so that when the first adapter 100a is arranged at the inner end of the first driving arm connecting part 200a, the first adapter and the second adapter cannot shake along the width direction of the first positioning reference part 21 and the second positioning reference part 22, and meanwhile, as the first positioning reference part 21 and the second positioning reference part 22 are thick in whole thickness and ensure the size precision of the first positioning reference part and the second positioning reference part, the first positioning reference part 21 and the second positioning reference part 22 are both provided with process holes 27, the material shrinkage generated in the injection molding process is prevented, the outer surface of the first positioning reference part is not smooth enough, and the matching between the outer side end faces of the first driving connecting part 200a is influenced.

The specific installation mode is as follows: the first driving arm connecting portion 200a is sleeved on the outer side of the first adapter 100a from top to bottom, the first limiting clamping point 202 and the first limiting clamping strip 203 respectively abut against and slide downwards along the guiding rib 212a of the first positioning reference portion 21 and the guiding rib 222a of the second positioning reference portion 22 until the inner top wall of the first driving arm connecting portion 200a and the top wall B of the first adapter 100a abut against each other, at this time, the inner top wall of the first driving arm connecting portion 200a presses the protruding point 12 of the elastic cantilever 11 downwards, so that the elastic cantilever 11 is in a downward elastic deformation state, the protruding point 12 cannot limit the first driving arm connecting portion 200a to move along the length direction of the first adapter 100a, that is, the first limiting portion 1a of the first adapter 100a is in a first working state, meanwhile, the limiting through hole 201a of the first driving arm connecting portion 200a can sleeve the protruding point 3 in the protruding point, the outer side end surfaces of the first positioning reference portion 21 and the second positioning reference portion 22 and the inner side end surface of the first driving arm connecting portion 200a The walls abut against each other; then, the first driving arm connecting part 200a is translated backwards relative to the first adapter 100a until the bump 3 abuts against the inner wall of the front end of the limiting through hole 201a, at this time, the top wall of the first driving arm connecting part 200a is separated from the bump 12, the elastic cantilever 11 rebounds, so that the abutting surface 122 of the bump 12 abuts against the front end of the top wall of the first driving arm connecting part 200a, that is, the first stopper portion 1a of the first adaptor 100a is in the second operation state, thereby restricting the forward displacement of the first driving arm connecting portion 200a with respect to the first adaptor 100a, meanwhile, the first position-limiting clamping point 202 and the first position-limiting clamping strip 203 have been translated to and abutted against the first positioning reference surface 211 of the first positioning reference portion 21 and the second positioning reference surface 221 of the second positioning reference portion 22, respectively, thereby limiting the upward displacement of the first driving arm connecting portion 200a with respect to the first adapter 100 a.

Example 2:

as shown in fig. 3-3 and 3-4, the structure of the first limiting portion 1a, the protruding block 3 and the hollow portion 4 of the first adapter 100b is substantially the same as that of the first adapter 100a (the first embodiment), and the first guiding inclined surface 121 is preferably provided only on the side of the protruding point 12 of the first limiting portion 1a facing the fixed end, which is the most important difference of this embodiment in that the second limiting portion 2b is provided with the first positioning reference portion 21 and the second positioning reference portion 22, the first yielding portion 230 is provided between the first positioning reference portion 21 and the second positioning reference portion 22, and the technical effects achieved by the first positioning reference portion 21 and the second positioning reference portion 22 are substantially the same as those of embodiment 1, and are mainly used for achieving the vertical limiting of the first driving arm connecting portion 200a relative to the first adapter 100b, but the second limiting portion 2b is optimally designed to ensure that the user can ensure that the first driving arm connecting portion 200a and the first driving arm connecting portion 200a are vertically limited The adapter 100b is more convenient to install, and has the following specific structural characteristics: the side wall a of the first adapter 100b is provided with positioning portions 16 at intervals at the front end of the first positioning reference portion 21, a sliding slot 212 formed by a vertical section 2121 and an oblique section 2122 is formed between the positioning portions 16 and the first positioning reference portion 21 from top to bottom, the oblique section 2122 of the sliding slot 212 is arranged from top to bottom in a direction away from the elastic cantilever 11, a flared portion 2123 is preferably provided at an insertion end of the vertical section 2121 of the sliding slot 212 for facilitating sliding of the first limit clamping point 202, the second positioning reference portion 22 is provided with a guiding rib 222 at a side end surface facing the elastic cantilever 11 from top to bottom, a contour of the guiding rib 222 is substantially consistent with a contour of the sliding slot 212, and a relief space 223 is preferably formed between a bottom end of the guiding rib 222 and a bottom end (second positioning reference surface 221) of the second positioning reference portion 22, the relief space 223 is used for avoiding the first driving arm connecting portion 200a during installation with the first adapter 100b, the first stopper rib 203 of the first driving arm connecting portion 200a may be tilted backward to interfere with the guide protrusion 222 of the second positioning reference portion 22.

The specific installation mode is as follows: as shown in fig. 3-5 and 3-6, when the first position-limiting clamping point 202 and the first position-limiting clamping strip 203 of the first driving arm connecting portion 200a move downward along the sliding slot 212 and the first position-yielding portion 230 correspondingly disposed on the two side walls a of the first adapter 100b, respectively, due to the disposition of the inclined section 2122 of the sliding slot 212, the first position-limiting clamping point 202 of the first driving arm connecting portion 200a is driven to preferentially abut against the inclined section 21211 of the inclined section 2122 of the sliding slot on one side of the positioning portion 16, and then slides downward along the inclined section 21211 until sliding downward to the bottom end of the first positioning reference portion 21, at this time, the first position-limiting clamping strip 203 is also located at the bottom end of the second positioning reference portion, during the downward sliding process of the first driving arm connecting portion 200a, the front end portion thereof slightly inclines forward, and the inner top wall thereof presses the convex point 12 of the elastic cantilever 11 downward, if the first guiding inclined plane 121 exists, the first guiding protruding point 121 can increase the contact area with the top wall of the first driving arm connecting portion 200a, the stress of the elastic cantilever 11 is more uniform, when the salient point 12 of the elastic cantilever 11 is pressed downwards by the inner top wall of the first driving arm connecting part 200a, the elastic cantilever 11 is driven to move downwards, at this time, the first limiting part 1a of the first adapter 100b is in a first working state, and the lug 3 is inserted into the rear end of the limiting through hole 201 a; as the first limit clamping point 202 slides downwards to the bottom end of the oblique section 2122 of the sliding slot 212 and slides horizontally backwards until the through hole 201a of the first driving arm connecting portion 200a abuts against the projection 3 of the first adapter 100b, at this time, the front end of the first driving arm connecting portion 200a is separated from the salient point 12 of the elastic cantilever 11, the elastic cantilever 11 rebounds, the salient point 12 thereof can abut against the front end of the first driving arm connecting portion 200a, so as to limit the displacement of the first driving arm connecting portion 200a relative to the forward direction of the first adapter 100b, at this time, the first limit portion 1a of the first adapter 100b is in the second working state, the first limit clamping point 202 and the first limit clamping strip 203 of the first driving arm connecting portion 200a respectively slide from front to back to the first positioning reference surface 211 of the first positioning reference portion 21 and the second positioning reference surface 221 of the second positioning reference portion 22 and generate limit fit therewith in the vertical direction, thereby limiting the upward displacement of the first driving arm connecting part 200a with respect to the first adapter 100 b.

Example 3:

as shown in fig. 3-7 to fig. 3-9, the first adapter 100c has a structure substantially the same as that of embodiment 2, the structure including the projection 3 and the hollow portion 4 of the top wall B of the first adapter 100c is the same as that of the two embodiments, and the structure of the second limiting portion 2B has a structure the same as that of embodiment 2, and also includes the arrangement of the sliding slot 212, but it should be noted that the embodiment can be implemented even if the second limiting portion 2a of embodiment 1 has no sliding slot; the most important difference lies in the design of the first limiting part 1b, which is as follows:

the first position-limiting part 1b of the first adapter 100c includes an elastic cantilever 11a and a sliding cover 13, the resilient cantilever 11a is located at the front end of the top wall B of the body of the first adapter 100c and is arranged along the length thereof, the free end of the elastic cantilever 11a is provided with a salient point 12a, the sliding cover 13 is a cover body structure, its side facing the elastic cantilever 11a has an open end, its top has a positioning hole 131, the two inner side walls of the sliding cover 13 are respectively provided with horizontal guiding convex strips 132, each guiding convex strip 132 is provided with a barb 1321 at one side adjacent to the opening end of the sliding cover 13, the two side walls a of the front end of the body of the adapter 100c are provided with grooves 133 at positions opposite to the guide ribs 132, and this embodiment is provided with the positioning portions 16, therefore, the grooves 133 are directly disposed on the outer end surface of the positioning portion 16, and a stop block 1331 is disposed in each groove 133 at the front end of the first adapter 100 c; the sliding cover 13 can slide back and forth relative to the first adapter 100c by the cooperation of the guiding protrusion 132 and the groove 133.

The specific installation manner of this embodiment can refer to embodiment 2, since there is a difference in the fitting manner between the first limiting portion 1b and the first driving arm connecting portion 200a, only the limiting fitting between the first limiting portion 1b and the first driving arm connecting portion 200a is described, when the sliding cover 13 slides towards the direction of the protruding point 12a away from the elastic cantilever 11a until the barb 1321 abuts against the limiting block 1331, at this time, the first limiting portion 1b of the first adapter 100c is in the first working state, the sliding cover 13 cannot abut against and fit with the front end portion of the first driving arm connecting portion 200a, the first driving arm connecting portion 200a is sleeved on the outer end of the first adapter 100c from top to bottom, and slides backwards until the protruding block 3 and the limiting through hole 201a abut against each other; when the sliding cover 13 slides towards the direction of the protruding point 12a approaching the elastic cantilever 11a and is nested and matched with the clamping point 12a through the positioning hole 131, at this time, the first limiting portion 1b of the first adapter 100c is in the second working state, the sliding cover 13 abuts against the front end surface of the first driving arm connecting portion 200a, and the first driving arm connecting portion 200a is limited from moving forward relative to the first adapter 100c, that is, the first limiting portion 1b of the embodiment adopts the sliding cover 13 to abut against the front end portion of the first driving arm connecting portion 200a to realize limiting and matching, instead of adopting the protruding point 12a of the elastic cantilever 11a to abut against the front end portion of the first driving arm connecting portion 200a to realize limiting and matching, during the installation process, whether the first driving arm connecting portion 200a is required to press down the elastic cantilever 11a is not a important point; in a more optimized design, a first guiding inclined plane 121a is disposed on a side of the protruding point 12a fixed toward the elastic cantilever 11a, and the first guiding inclined plane 121a is convenient for the positioning hole 131 of the sliding cover 13 and the protruding point 12a to be clamped therein; meanwhile, the sliding cover 13 is slidably disposed at the front end of the first adapter 100c forward and backward, which is not limited to the limit fit between the guiding protrusions 132 and the grooves 133, but the sliding cover 13 can be slidably moved forward and backward and can maintain a stable connection with the first adapter 100c at least when sliding to a position abutting against the front end of the first driving arm connecting portion 200 a.

Example 4:

as shown in fig. 3-10 to fig. 3-13, the first adaptor 100d is different from the aforementioned embodiments mainly in that the first position-limiting portion 1c is designed as a flip cover, and other structures can refer to the descriptions of the aforementioned embodiments, and the second position-limiting portion is also provided with the first positioning reference portion 21 and the second positioning reference portion 22, although in the drawings of the present embodiment, the first positioning reference portion 21 and the second positioning reference portion 22 are directly provided with the guiding rib with the inclined surface toward the front end of the body of the first adaptor 100d, the guiding rib with the inclined surface is not the important point of the present embodiment, even if the solution of embodiment 1 for the second position-limiting portion 2a is also feasible, in any case, a space for inserting the first position-limiting clamping point 202 of the first driving arm connecting portion 200a is required, and as shown in fig. 3-10, the sliding groove 212a is formed by the positioning portion 16a and the first positioning portion are provided at two side walls of the first adaptor 100d a in a protruding outward and arranged at intervals The reference portion 21.

The first position-limiting part 1c of the first adapter 100d body is a cover structure formed by enclosing two side walls a and two top walls 141, 142, and has two support arms 15 extending forward, circular protruding columns 151 disposed on the outer end surfaces of the two support arms 15, the flip 14 is a cover structure formed by enclosing two side walls 142 and top walls 141, one side of the flip 14 facing the support arms 15 is an open end, hinge holes 143 are disposed on the two side walls 142, the top wall 141 extends downward to form a position-limiting blocking piece 144, one side of the position-limiting blocking piece 144 facing the open end is a first position-limiting edge 1441, the position-limiting blocking piece 144 and the two side walls 142 are parallel to each other and spaced from each other, when the flip 14 is hinged to the circular protruding columns 151 of the two support arms 15 through the hinge holes 143 of the two side walls 142, the top wall 141 of the flip 14 is fastened to the front end of the first adapter 100d body, the first position-limiting blocking edge 1441 of the position-limiting blocking piece 144 abuts against the first end surface 29 of the front part of the adapter 100d body to generate interference fit, thereby achieving stable engagement of the lid 14 with the front end of the body of the first adapter 100 d.

The specific installation manner of this embodiment can refer to embodiment 2, since there is a difference between the first position-limiting portion 1c and the first driving arm connecting portion 200a, only the position-limiting fit between the first position-limiting portion 1c and the first driving arm connecting portion 200a is described, when the first position-limiting portion 1c of the first adapter 100d is in the first working state, the flip 14 is turned outwards, the flip 14 does not interfere with the front end of the first driving arm connecting portion 200a, and thus the forward displacement of the first driving arm connecting portion 200a relative to the first adapter 100d cannot be limited; when the first position-limiting part 1c of the first adapter 100d is in the second working state, the flip 14 is firmly fastened to the front end of the body of the first adapter 100d and abuts against the front end surface of the first driving arm connecting part 200a, so as to limit the forward displacement of the first driving arm connecting part 200a relative to the first adapter 100 d. Of course, there are various structures for the way of fastening the flip 14 to the front end of the first adapter 100d, and the structure is not limited to the specific structure disclosed in the embodiment.

The following is a detailed description of an adapter for connecting the second driving arm connecting portion 200 b:

as shown in fig. 2-1, the second driving arm connecting portion 200b is a U-shaped groove member formed by two side walls and a top wall, the bottom of the two side walls is a pair of second limiting clamping strips 204 hooked towards the inside, the front end of at least one of the second limiting clamping strips 204 is provided with a second limiting clamping point 205 extending inwards, and the top wall is provided with a limiting through hole 201 b.

Specific examples of the second adapter connected to the second driving arm connecting portion 200 b:

example 5:

as shown in fig. 4-1 to 4-4, although the second adaptor 100e is used for adapting the second driving arm connecting portion 200B, the structural features of the second adaptor 100e related to the top wall B can refer to the foregoing embodiments 1 and 2, but the embodiment is further optimized for the bump 3, i.e. the height of the bump 3 is greater than the thickness of the top wall of the second driving arm connecting portion 200B, and the bump 3 extends upward, and the top portion thereof has a bending portion 31 extending toward the front end of the second adaptor 100e, of course, the optimized design of this portion can be transplanted to the foregoing and later-described embodiments of each adaptor, by the arrangement of the bending portion 31, the bump 3 can be abutted against the top wall of the driving arm connecting portions 200a and 200B when being interfittingly matched with the limiting through holes 201a and 201B of the driving arm connecting portions 200a and 200B, and each adaptor and the driving arm connecting portion 200a can be further limited, 200b in the vertical direction.

The second adapter 100e differs from the embodiments 1 and 2 mainly in the second position-limiting part 2c, which is specifically: the two side walls a of the second adapter 100e are respectively provided with a third positioning reference portion 23 and a fourth positioning reference portion 24 from front to back, the bottom of the fourth positioning reference portion 24 is horizontally provided with a fourth positioning reference surface 241, a second relief portion 25 for inserting the second limit clamping strip 204 is formed between the third positioning reference portion 23 and the fourth positioning reference portion 24, a third relief portion 26 is provided at the second relief portion 25 and at the position corresponding to the second limit clamping point 205 of the second driving arm connecting portion 200b, the more optimized design is that the top of the third relief portion 26 is provided with a flared portion 261 for facilitating the sliding-in of the second limit clamping point 205, and the thickness of the side wall a in the area is reduced due to the longer length of the second relief portion 25, so as to ensure the structural strength of the side wall a in the area, the side wall a in the area is provided with a plurality of exposed reinforcing ribs 252, and the reinforcing ribs 252 are provided in the side wall a in the area by a closed circular ring and 90-degree equal parts in the circumferential direction Four straight lever arms extending outwards; a third positioning reference surface 251 is provided at the bottom of the second positioning portion 25 and at a position adjacent to the third positioning portion 26, and since the outer end surfaces of the third positioning reference portion 23 and the fourth positioning reference portion 24 directly abut against the inner side wall of the second driving arm connecting portion 200b, the outer end surfaces of the third positioning reference portion 23 and the fourth positioning reference portion 24 need to ensure necessary processing accuracy, so as to prevent the second driving arm connecting portion 200b from swaying in the width direction relative to the second adapter 100e after installation; meanwhile, a necking portion 28 with a tapered width is provided at the rear end of the second adaptor 100e, and is set up to match the driving arm connection portion provided with a bent belt, such as the bent portion C of the second driving arm connection portion 200b shown in fig. 4-1, so as to avoid interference with the inner wall of the second driving arm connection portion 200b in the region of the bent portion C, and the structure of the necking portion 28 is designed on the body structure of any one of the adaptors described above or described below.

The specific installation mode is as follows: as shown in fig. 4-5, the second driving arm connecting portion 200b is located at the upper end of the second adapter 100e, the second limiting clamping point 205 and the second limiting clamping strip 204 thereof are respectively opposite to the third positioning portion 26 and the second positioning portion 25, when the second driving arm connecting portion 200b is sleeved on the outer side of the second adapter 100e from top to bottom, the outer side surfaces of the third positioning reference portion 23 and the fourth positioning reference portion 24 thereof are mutually abutted and matched with the inner side wall of the second driving arm connecting portion 200b, the inner top wall of the second driving arm connecting portion 200b is abutted against the convex point 12 of the elastic cantilever 11 and drives the elastic cantilever 11 thereof to press down, and the first limiting portion 1a of the second adapter 100e is in the first working state; then, the driving arm connecting portion 200b is displaced from front to back relative to the second adapter 100e until the bump 3 is in limit abutment with the front end of the limit through hole 201b of the second driving arm connecting portion 200b, at this time, the second limit clamping point 205 and the second limit clamping strip 204 are respectively slid onto the third positioning reference surface 251 at the bottom end of the second positioning portion 25 and the fourth positioning reference surface 241 at the bottom end of the fourth positioning reference portion 24 and are in abutment with each other, so as to limit the upward displacement of the second driving arm connecting portion 200b relative to the second adapter 100e along the vertical direction.

Example 6:

as shown in fig. 4-6 and fig. 4-7, the basic structure of the second adapter 100f is substantially the same as that of embodiment 5, including the arrangement of the second limiting portion 2c, the protruding block 3 and the hollow portion 4 arranged on the top wall B of the body, and only the difference between the first limiting portion 1B and embodiment 5 exists, that is, the specific structure of the first limiting portion 1B adopts the sliding cover 13 to realize the limiting, the specific matching relationship between the sliding cover 13 and the second adapter 100f can refer to the matching manner of embodiment 3, only the arrangement of the groove 133 is referred to, this embodiment is directly arranged at the front end of the side wall a of the second adapter 100f but not on the positioning portion 16, in fact, both the side wall a and the positioning portion 16 are relative concepts, that if the positioning portion 16 of embodiment 3 is understood as a part of the side wall a, the first positioning reference portion 21 and the second positioning reference portion 22 can also be part of the side wall a, the first positioning portion 230 is an inward concave portion formed by the sidewall a between the first positioning reference portion 21 and the second positioning reference portion 22, and the sliding groove 212 is disposed at the front end of the sidewall a at the first positioning reference portion 21, so the position of the groove 133 is not limited by the definition of the name of the embodiment, as long as the forward and backward sliding along the length direction of the first adapter 100e can be satisfied.

In a specific installation manner, the first position-limiting part 1b of the first adapter 100f and the second driving arm connecting part 200b are in position-limiting engagement with reference to example 3, and the second position-limiting part 2c of the first adapter and the second driving arm connecting part 200b are in position-limiting engagement with reference to example 5, which will not be described in detail.

Example 7:

as shown in fig. 4-8 to fig. 4-10, the basic structure of the second adapter 100g is substantially the same as that of embodiment 5, and includes the arrangement of the second limiting portion 2c, and the protruding block 3 and the hollow portion 4 arranged on the top wall B of the body thereof, which only relates to the difference between the first limiting portion 1c and embodiment 5, and the specific structure of the first limiting portion 1c can refer to embodiment 4, that is, the first limiting portion 1c adopts the structure of the flip 14 to realize the limiting fit with the second driving arm 200B, and the specific installation manner thereof can also refer to the description of embodiment 5 and embodiment 5, and will not be described again.

The present invention also discloses a windshield wiper made by using the above adapters, because the connection relationship between each adapter and the windshield wiper assembly is the same, so only taking the fifth embodiment of the adapter as an example, the windshield wiper 300, which is a frameless windshield wiper, comprises a windshield wiper assembly made of a windshield wiper rubber strip 303, a flow guiding sheath 302 and a spring sheet (not shown), a pivot connecting seat 301 is fixedly arranged on the windshield wiper support, the adapter 100e is mutually pivoted with the pivot connecting seat through a convex shaft 101 arranged at the inner end of the side wall a thereof, so as to ensure that the adapter 100e can be arranged on the pivot connecting seat in an up-and-down swinging manner along the length direction of the windshield wiper assembly, and it should be noted that the most obvious difference of the windshield wiper of this type from the traditional windshield wiper is that any one of the adapters is adopted, and the structure of the windshield wiper assembly used belongs to the structural characteristics known by those skilled in the art, how to mount the adapter to the wiper assembly is also a conventional known technology, and the embodiment is not only taken as the only embodiment for realizing the assembly of the adapter and the wiper assembly, but also the adapters are generally mounted to corresponding positions in a way that the adapters can swing up and down along the length direction of the wiper assembly, so that a detailed description is omitted.