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 2021-06-09 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；所述适配器包括：一底座,所述的底座包括一个隔板,该隔板朝上端面且相对于驱动臂连接部的限位通孔的位置设有一限位凸块,该隔板沿宽度方向的两侧分别固接两侧板,使之成为一个顶部镂空的容置槽,在容置槽的下方设有枢轴连接部,一上盖,该上盖设置在底座的上方,其至少能实现对容置槽上方的开放空间实现部分封堵,该封堵的面积足够用于限制驱动臂连接部从容置槽中向外脱离；一锁合装置,该锁合装置设置在上盖和底座之间,借由该锁合装置使上盖和底座实现解锁状态和锁合状态的切换。(An adapter as a connection between a wiper assembly and a drive arm; the adapter includes: the base comprises a partition plate, the upward end face of the partition plate is provided with a limiting lug in a position corresponding to a limiting through hole of the connecting part of the driving arm, two sides of the partition plate in the width direction are fixedly connected with two side plates respectively to form a containing groove with a hollow top, a pivot connecting part is arranged below the containing groove, and an upper cover is arranged above the base and can at least partially block an open space above the containing groove, and the area of the block is enough to limit the connecting part of the driving arm to be separated from the containing groove outwards; the locking device is arranged between the upper cover and the base, and the upper cover and the base are switched between an unlocking state and a locking state by the locking device.)

1. An adapter as a connection between a wiper assembly and a drive arm; this actuating arm is a termination pole, and its front end is equipped with actuating arm connecting portion, actuating arm connecting portion have a spacing through-hole, its characterized in that:

the adapter includes:

the base comprises a partition plate, the upward end face of the partition plate is provided with a limiting lug in a position corresponding to a limiting through hole of the connecting part of the driving arm, and two sides of the partition plate in the width direction are fixedly connected with two side plates respectively to form a containing groove with a hollow top, and the containing groove is used for placing the connecting part of the driving arm; a pivot connecting part is arranged below the accommodating groove, and the adapter can swing up and down along the length direction of the adapter by taking the pivot connecting part as a rotating fulcrum;

the upper cover is arranged above the base and at least can realize partial sealing of an open space above the accommodating groove, and the area of the sealing is enough to limit the driving arm connecting part to be separated from the accommodating groove outwards;

the locking device is arranged between the upper cover and the base, the upper cover and the base are switched between an unlocking state and a locking state by the locking device, and when the upper cover is in the locking state, the upper cover is stably fixed above the accommodating groove of the base, so that the open space above the accommodating groove is blocked, and the connecting part of the driving arm is limited to be separated outwards; when in the unlocked state, the upper cover is removed from the open space above the accommodating slot.

2. The adapter as claimed in claim 1, wherein the upper cover and the base are separable from each other, and the locking device is formed by a plurality of insertion structures or clamping structures arranged between the upper cover and the two side plates of the base at opposite positions.

3. The adapter of claim 1 wherein said cover further comprises two side wings formed along the length thereof; the locking device comprises a hinge structure and a fixing structure; the hinge structure is arranged between the two side wings of the upper cover and the two side plates of the base and is positioned at the front ends of the two side plates of the base; the fixing structure is provided with a plurality of inserting structures or clamping structures between the relative positions of the upper cover and the two side plates of the base, and the fixing structure is arranged at the rear end of the hinge structure.

4. The adapter of claim 3 wherein the hinge structure comprises a pivot hole in the side of the top cover, the hinge structure comprises a pivot shaft in the side panel of the base, and the pivot hole and the pivot shaft cooperate to allow the top cover to rotate relative to the base.

5. The adapter as claimed in claim 3, wherein the two side wings of the upper cover extend forward to form extension sections;

the hinge structure comprises a rotary salient point arranged on each extending section, a groove is arranged at the front end of each base side plate, a separation lug is arranged in the middle of each groove, the separation lug separates the groove from the back to the front into a first groove and a second groove in the length direction, and the separation lug is provided with a stop surface on the second groove;

the fixing structure comprises a plurality of first limiting blocks which are arranged at intervals and positioned on the inner sides of two side wings of the upper cover and a plurality of second limiting blocks which are arranged at intervals and positioned on the outer sides of side plates of the base; when the adapter is in an unlocking state, the rotating salient point is positioned at one end of the groove close to the second limiting block, namely the rotating salient point is positioned in the first groove, and when the upper cover is closed on the base, the first limiting block and the second limiting block are respectively arranged in a mutually abdicating and staggered mode along the vertical direction; when the adapter is in a locked state, the rotating salient point is positioned at one end of the groove far away from the second limiting block, namely the rotating salient point moves into the second groove, and the first limiting block and the second limiting block generate mutual interference along the vertical direction.

6. The adapter as claimed in claim 5, wherein the front end of the driving arm connecting portion has a stopper bent downward; the front end of the top of the base is additionally provided with a front cover plate, the front cover plate and the two side plates surround to form an insertion notch, and the insertion notch is used for inserting a stop part of the connecting part of the driving arm; the upper cover is additionally provided with a locking structure between the front end positioned between the two side wings and the front cover plate, and the locking structure is used for further limiting the backward displacement of the upper cover relative to the base along the length direction.

7. The adapter as claimed in claim 3, wherein the front end of the driving arm connecting portion has a stopper bent downward; the front end of the top of the base is additionally provided with a front cover plate, the front cover plate and the two side plates surround to form an insertion notch, and the insertion notch is used for inserting a stop part of the connecting part of the driving arm; the two side wings of the upper cover extend forwards to form extension sections;

the hinge structure comprises a rotary salient point arranged on each extension section and a groove arranged on a side plate of each base, and the groove is provided with a front-back displacement distance along the length direction of the side plate; meanwhile, a locking structure is additionally arranged between the front end of the upper cover between the two side wings and the front cover plate and is used for limiting the backward displacement of the upper cover relative to the base along the length direction;

the fixing structure comprises a plurality of first limiting blocks which are arranged at intervals and positioned on the inner sides of two side wings of the upper cover and a plurality of second limiting blocks which are arranged at intervals and positioned on the outer sides of side plates of the base; when the adapter is in an unlocking state, the rotating salient point is positioned at one end of the groove close to the second limiting block, and when the upper cover is closed on the base, the first limiting block and the second limiting block are respectively arranged in a mutually abdicating and staggered mode along the vertical direction; when the adapter is in a locked state, the rotating salient point moves to one end, far away from the second limiting block, of the groove, and mutual interference is generated between the first limiting block and the second limiting block along the vertical direction.

8. The adapter as claimed in claim 6 or 7, wherein the locking structure comprises an extension forward of the front end of the upper cover, the front end of the extension forming an upward barb; the front cover plate is provided with an installation notch at one side facing the upper cover, and the barbs of the extension section can be clamped in the installation notch, so that the upper cover and the front cover plate are locked along the length direction.

9. The adapter as claimed in any one of claims 5-7, wherein the rotation bump has at least one spherical surface, and the end of the recess adjacent to the second stopper has a circular arc surface.

10. An adapter according to claim 9 wherein when the recess is provided with a partition projection, said partition projection has a first guide ramp thereon, said first guide ramp being located on one side of the first recess, and said rotation knob has a second guide ramp on an opposite side thereof.

11. The adapter as claimed in claim 6 or 7, wherein the front cover plate has a sliding slot above the second stopper relative to the groove, and the width between the two sliding slots is gradually wider from top to bottom.

12. The adapter of any one of claims 5-7, wherein the first and second stoppers are L-shaped, the long side of the second stopper and the long side of the first stopper are arranged in parallel, the long side of the second stopper is located above the long side of the first stopper, and the long side of the first stopper can be inserted into a hollow area reserved between the long side and the short side of the second stopper.

13. The adapter of claim 12 wherein the top of the base side plate defines a step surface on which the second stop is disposed.

14. The adapter of claim 13 wherein the groove is provided at the front end of the step surface, when the upper cover is fastened to the base, the inner wall of the upper cover and the top end surfaces of the two side plates of the base abut against each other, and when the upper cover slides horizontally in the longitudinal direction relative to the base, the sliding track X1 of the inner wall of the upper cover and the top end surfaces of the two side plates of the base, the sliding track X2 of the rotation salient point of the upper cover in the groove, and the sliding track X3 of the first stopper relative to the second stopper are substantially parallel to each other.

15. The adapter of claim 1 wherein said pivotal connection is formed by each of said side plates extending downwardly from said bulkhead and a pair of oppositely disposed posts on an inner wall of each of said side plates below said bulkhead.

16. The adapter as claimed in claim 15, wherein the spacer is provided with a hollow portion above the pivot connection portion, and a bent portion at a front end thereof for fitting with the stopper portion of the driving arm connection portion.

17. The adapter of claim 1 wherein the pivot connection is further provided with a positioning block below the partition, the positioning block having a pivot hole.

18. A wiper blade comprising an adapter according to any of claims 1 to 17 for connecting the wiper assembly to the drive arm.

Technical Field

The invention relates to the technical field of wipers, in particular to an adapter in a wiper assembly and a wiper using the adapter.

Background

In daily life, automobile vehicles are equipped with a wiper device which is used for removing rainwater or impurities on the windshield of the automobile, the wiper device is generally provided with a wiper rubber strip and a wiper driving arm, wherein the wiper driving arm is used for being connected with a motor and providing wiping driving force for the wiper device, an adapter is arranged between the wiper driving arm and the wiper rubber strip to connect the wiper driving arm and the wiper rubber strip, and the adapters for connecting different wiper driving arms are different; a wiper driving arm is an end rod, the front end of the wiper driving arm is provided with a bending part, the middle of the wiper driving arm is also provided with a through hole, the wiper driving arm is provided with an adapter matched with the wiper driving arm, as shown in figure 1, as described in patent No. CN101648557B, an adapter 6 'is used for connecting a driving arm 2' and a wiper rubber strip, the adapter 6 'is provided with an inlet end 6c, the driving arm 2' is inserted into the adapter 6 'through the inlet end 6c, a soft tongue piece body 7' is also arranged below the inlet end 6c, the soft tongue piece body 7 'is opened downwards so that the driving arm enters the adapter, a tenon 9' is arranged on the soft tongue piece body and is used for matching with the through hole on the driving arm, but after the driving arm is used for a long time, the soft tongue piece body can generate elastic fatigue and lose the original elastic strength, so that the connection between the tenon and the through hole is weakened, and the mutual fixing capacity of the whole adapter pair is weakened, making the entire wiper connection unstable and therefore it is desirable to have an adapter that is more stable to install.

Disclosure of Invention

A first object of the present invention is to provide an adapter stably connected to a driving arm connecting portion.

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 blade assembly and a driving arm; the driving arm is an end rod, the front end of the driving arm is provided with a driving arm connecting part, the front end of the driving arm connecting part is provided with a stopping part bent downwards, and the rear end of the driving arm connecting part is provided with a limiting through hole;

the adapter comprises a base, the base comprises a partition plate, the upward end face of the partition plate is provided with a limiting lug in a position corresponding to a limiting through hole of the connecting part of the driving arm, and two sides of the partition plate in the width direction are fixedly connected with two side plates respectively to form a containing groove with a hollow top for placing the connecting part of the driving arm; a pivot connecting part is arranged below the accommodating groove, and the adapter can swing up and down along the length direction of the adapter by taking the pivot connecting part as a rotating fulcrum;

the upper cover is arranged above the base and at least can realize partial sealing of an open space above the accommodating groove, and the area of the sealing is enough to limit the driving arm connecting part to be separated from the accommodating groove outwards;

the locking device is arranged on the upper cover and the base bracket, the upper cover and the base are switched between an unlocking state and a locking state by the locking device, and when the locking device is in the locking state, the upper cover is stably fixed above the accommodating groove of the base, so that the open space above the accommodating groove is blocked, and the connecting part of the driving arm is limited to be separated outwards; when in the unlocked state, the upper cover is removed from the open space above the accommodating slot.

Adopt above-mentioned structure, borrow by spacing lug on the adapter and cooperate with the spacing through-hole of actuating arm connecting portion, because spacing lug is fixed on the baffle, make it not have elastic deformation, make actuating arm connecting portion can't break away from the storage tank on the adapter base through the upper cover to the spacing of actuating arm connecting portion simultaneously, ensure to be connected steadily between actuating arm connecting portion and the adapter.

One embodiment related to the locking structure is that the upper cover and the base can be separated from each other, the locking device is that a plurality of inserting structures or clamping structures are arranged between the relative positions of the upper cover and two side plates of the base, and the upper cover is fixed on the base by adopting the upper structure.

One embodiment related to the locking structure is that the upper cover further comprises two side wings formed along the length direction, the locking device comprises a hinge structure and a fixing structure, the hinge structure is arranged between the two side wings of the upper cover and the two side plates of the base and is positioned at the front ends of the two side plates of the base; the fixing structure is provided with a plurality of inserting structures or clamping structures between the relative positions of the upper cover and the two side plates of the base, and the fixing structure is arranged at the rear end of the hinge structure.

The first embodiment of the hinge structure is that the hinge structure is a pivot hole on the side wing of the upper cover, the hinge structure is a pivot shaft on the side plate of the base, and the pivot hole is matched with the pivot shaft, so that the upper cover can rotate relative to the base.

The second embodiment of the hinge structure is that two side wings of the upper cover extend forwards to form an extension section; the hinge structure comprises a rotary salient point arranged on each extending section and a groove arranged at the front end of each base side plate, a separation lug is arranged in the middle of each groove, the separation lug separates the groove from back to front into a first groove and a second groove in the length direction, and the separation lug is provided with a blocking surface on the second groove; the fixing structure comprises a plurality of first limiting lugs arranged at intervals on the inner sides of two side wings of the upper cover and a plurality of second limiting lugs arranged at intervals on the outer sides of side plates of the base, when the adapter is in an unlocking state, the rotating salient point is positioned at one end, close to the second limiting lugs, of the groove, namely the rotating salient point is positioned in the first groove, and when the upper cover is closed on the base, the first limiting lugs and the second limiting lugs are respectively arranged in a mutually yielding and staggered mode along the vertical direction; when the adapter is in a locked state, the rotating salient point is positioned at one end of the groove far away from the second limiting block, namely the rotating salient point moves into the second groove, and the first limiting block and the second limiting block generate mutual interference along the vertical direction.

Adopt above-mentioned structure, through setting up the hinge structure on upper cover and base, make the upper cover rotate for the base, when the upper cover is closed to the base, because lie in rotatory bump and be located first recess, crisscross setting each other between first stopper and the second stopper, then through moving the upper cover forward, make knob change bump move to the second recess from first recess in, because it has the face of keeping off to separate the lug on the second recess, it makes rotatory bump be difficult to move to the first recess from the second recess in, first stopper moves to the below of second stopper this moment, make and interfere each other in vertical direction between first stopper and the second stopper, with upper cover and base reciprocal anchorage, restricted the relative displacement of being located base storage tank actuating arm connecting portion for the adapter along vertical direction.

Furthermore, a front cover plate is additionally arranged at the front end of the top of the base, the front cover plate and the two side plates surround to form an insertion notch, the insertion notch is used for inserting a stopping part of the connecting part of the driving arm, a locking structure is additionally arranged between the front end between the two side wings and the front cover plate of the upper cover, and the locking structure is used for further limiting the backward displacement of the upper cover relative to the base along the length direction.

The third embodiment of the hinge structure is that the front end of the top of the base is additionally provided with a front cover plate, the front cover plate and the two side plates surround to form an insertion notch, the insertion notch is used for a stop part of the connecting part of the driving arm to insert, and two side wings of the upper cover extend forwards to form an extension section; the hinge structure comprises a rotary salient point arranged on each extension section and a groove arranged on each side plate of the base, the grooves have a front-back displacement distance along the length direction of the side plates, and a locking structure is additionally arranged between the front end of the upper cover between the two side wings and the front cover plate and is used for limiting the backward displacement of the upper cover relative to the base along the length direction; the fixing structure comprises a plurality of first limiting blocks arranged at intervals on the inner sides of two side wings of the upper cover and a plurality of second limiting blocks arranged at intervals on the outer sides of side plates of the base, when the adapter is in an unlocking state, the rotating salient points are positioned at one ends of the grooves close to the second limiting blocks, and when the upper cover is closed on the base, the first limiting blocks and the second limiting blocks are respectively arranged in a staggered way along the vertical direction; when the adapter is in a locked state, the rotating convex points move to one end, far away from the second limiting block, of the groove, and mutual interference is generated between the first limiting block and the second limiting block along the vertical direction.

By adopting the structure, when the upper cover is buckled on the base, the front and back displacement of the upper cover relative to the base is limited only by the locking device between the front end between the two side wings of the upper cover and the front cover plate, and the up and down displacement of the upper cover relative to the base is limited by the fixing structure, so that the upper cover is fixed on the base, and the driving arm connecting part is fixed on the adapter.

The above-mentioned embodiment related to locking structure includes that the front end of the upper cover is provided with an extension section forwards, and the front end of the extension section upwards forms a barb; the front cover plate is provided with an installation notch at one side facing the upper cover, and the barbs of the extension section can be clamped in the installation notch, so that the upper cover and the front cover plate are locked along the length direction.

Furthermore, the front cover plate is also provided with a sinking groove at the front end of the mounting notch, the sinking groove is connected with the mounting notch, and the sinking groove is convenient for pressing the barb on the upper cover.

Furthermore, the front end of the upper cover is respectively provided with a notch with one end from front to back at two sides of the extension section, and the elasticity of the extension section is increased by the notch.

Furthermore, the rotary salient point is at least provided with a spherical surface, and one end of the groove close to the second limiting block is provided with an arc surface.

Furthermore, when the groove is provided with the separation lug, the separation lug is provided with a first guide inclined plane, the first guide inclined plane is positioned at one side of the first groove, and the side, opposite to the first guide inclined plane, of the rotary salient point is provided with a second guide inclined plane.

Furthermore, the front cover plate is provided with a sliding groove above the groove close to the second limiting block, the width between the two sliding grooves is gradually wide from top to bottom, and the rotary salient point on the upper cover can more easily enter the groove through the arrangement of the sliding groove.

Further, first stopper and second stopper be the L type, the long limit of second stopper and the long limit parallel arrangement of first stopper, and the long limit of second stopper is located the long limit top of first stopper, the fretwork region that the long limit of second stopper and minor face were reserved can be arranged in to the long limit of first stopper in the plug-in.

Furthermore, a step surface is formed at the top of the base side plate, and the second limiting block is arranged on the step surface.

Further, the recess set up the front end at the step, when the upper cover lock to the base on, the inner wall of upper cover and the top terminal surface of base both sides board support mutually and lean on, when the upper cover produces the horizontal slip for the base along length direction, the sliding trajectory X1 of the inner wall of upper cover and the top terminal surface of base both sides board, the sliding trajectory X2 of the rotatory bump of upper cover in the recess and the sliding trajectory X3 of first stopper for the second stopper are roughly parallel to each other. The upper cover can slide horizontally relative to the base conveniently due to the parallel arrangement of the sliding tracks.

One embodiment of the pivot connection part of the adapter is that each side plate extends downwards from the partition plate, and a pair of convex columns which are arranged oppositely is arranged on the inner wall of each side plate below the partition plate.

Further, the clapboard is provided with a hollow part above the pivot connecting part, and the front end of the clapboard is provided with a bending part which is used for adapting to the stopping part of the driving arm connecting part.

One embodiment of the pivot connection portion of the adapter is a positioning block further disposed below the partition plate, and the positioning block has a pivot hole.

Further, the distance between the inner wall of the upper cover and the upper end face of the partition plate is matched with the thickness of the connecting part of the driving arm.

In order to achieve the second object of the present invention, the present invention further discloses a wiper including the adaptor of any one of the foregoing embodiments, wherein the adaptor is used for connecting the wiper assembly with the driving arm.

The windshield wiper made of the adapter can be stably installed on the connecting portion of the driving arm, and meanwhile, the installation is simple.

Drawings

FIG. 1 is a schematic view of a drive arm and adapter disclosed in the background of the invention;

FIG. 2 is an exploded view of the adapter according to the first embodiment of the present invention;

FIG. 3 is a schematic view of a cover according to a first embodiment of the present disclosure;

FIG. 4 is a bottom view of the base of the first embodiment of the present disclosure;

FIG. 5 is a schematic view of a base according to a first embodiment of the present disclosure;

FIG. 6 is a schematic view of a first embodiment of the disclosed adapter in an unlocked state;

FIG. 7 is a longitudinal cross-sectional view taken along A-A of the adapter of the first disclosed embodiment of the present invention in a locked condition;

FIG. 8 is a schematic longitudinal cross-sectional view of a first embodiment of an adapter disclosed herein in the unlocked state and transitioning to the locked state B-B;

FIG. 9 is a schematic longitudinal cross-sectional view C-C of a second embodiment of the adapter disclosed herein in a locked state;

FIG. 10 is an exploded view of a second embodiment of the adapter of the present disclosure;

FIG. 11 is a schematic view of the adapter and drive arm assembly of the second embodiment of the present disclosure;

FIG. 12 is a schematic longitudinal cross-sectional view of a second embodiment of the disclosed adapter;

FIG. 13 is an exploded view of an adapter according to a third embodiment of the present disclosure;

FIG. 14 is a schematic view of a fourth embodiment of an adapter base according to the present disclosure.

Reference numerals

Drive arm connecting part 1 limiting through hole 11 stopping part 12

Adapters 2a, 2b, 2c, 2d

Protrusion 2111 for limiting side plate 212 of partition 211 of base 21 and fitting portion 213 of receiving groove 214

Front cover 215 of bent portion 2113 of hollow portion 2112 of pivot connecting portion 3a, 3b

Insertion notch 2123

Side wing 221 of upper cover 22

Hinge 231 securing structure 232 of locking device 23

The rotary bump 2211 groove 216 separates the bump 2161 from the first groove 2162 and the second groove 2163

The resisting surface 2164 includes an extension section 223 of the first stopper 222 and the second stopper 217

Spherical 22111, circular 2165, first guide slope 22112, first guide slope 2166

Horizontal surface 2192 of vertical surface 2191 of step surface 219 of sliding groove 218

Positioning datum plane 2132 reinforcing rib 2133 barb 2242

The sinking groove 2152 is provided with a notch 2151 and a slot 2243 extension 2241.

Detailed Description

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.

Before describing the embodiment of the present invention, a brief description will be made of a driving arm connecting portion adapted to the present invention, and the detailed structure of the driving arm connecting portion can be referred to in patent document with publication number CN101648557B, which is an end rod having a stopper 12 bent downward at its front end and a limit through hole 11 at its rear end.

The definition of windshield wiper subassembly, ordinary skilled person in the art can know this windshield wiper subassembly has the windshield wiper support at least, the windshield wiper adhesive tape and set up be used for with adapter articulated pivotal connection seat in windshield wiper support middle part, this windshield wiper support can be for there being the bone support or the boneless support of constituteing by the shell fragment, perhaps by having the mixed support of bone support and shell fragment constitution jointly, the bottom of this windshield wiper support is direct or the indirect windshield wiper adhesive tape that has set firmly, the windshield wiper support is used for transmitting the actuating arm and applies the yawing force to the reciprocal swing of windshield wiper adhesive tape, and ensure that the windshield wiper adhesive tape hugs closely the windshield of vehicle.

The first embodiment:

as shown in fig. 2 to 9, the present invention discloses an adapter 2a as a connecting member between a wiper assembly and a driving arm, wherein the adapter 2a includes a base 21 and an upper cover 22; the base 21 comprises a partition 211 and two side plates 212, the two side plates 212 are fixedly connected to two sides of the partition 211 along the width direction, so that the cross section of the base 21 is in an H shape, an embedding part 213 is formed below the partition 211 of the base 21, a pair of convex columns 3a arranged oppositely is arranged on the inner wall of each side plate 212 below the partition 211, the convex columns 3a are used as the pivot connection part of the adapter 2a, preferably, a hollow part 2112 is arranged above the partition 211 relative to the pivot connection part 3a, and the hollow part 2112 provides an abdicating space for the adapter 2a to swing up and down along the length direction thereof by taking the pivot connection part 3a as a rotation fulcrum; preferably, as shown in fig. 4, the side plate 212 has a plurality of positioning reference surfaces 2132 on the inner wall located below the partition plate 211, and the positioning reference surfaces 2132 enable the adapter 2a to be adapted to the wiper assembly only by ensuring the processing precision of the positioning reference surfaces 2132 during processing, so that the processing difficulty of the adapter 2a is greatly reduced, and the production cost of an enterprise is reduced; more preferably, the side plate 212 of the base 21 has double plates, and a plurality of reinforcing ribs are arranged between the double plates, so that the strength of the side plate 212 is ensured, and meanwhile, the production materials can be saved, the embedding part 213 is also provided with a plurality of reinforcing ribs 2133, and the reinforcing ribs 2133 are used for enhancing the strength of the base 21, so that the strength of the whole base 21 is enhanced.

A containing groove 214 is formed between the upper part of the partition 211 and the two side plates 212 of the base 21, the top of the containing groove 214 is open, the width of the containing groove 214 is matched with the width of the driving arm connecting part 1, or a plurality of positioning bumps (not shown) are arranged on the inner wall of the side plate 212, which is located in the containing groove 214, so as to ensure that when the driving arm connecting part 1 is placed in the containing groove 214, the relative displacement of the driving arm connecting part 1 and the containing groove 214 along the width direction is limited; the upward end surface of the partition 211 is provided with a limit protrusion 2111 at a position corresponding to the limit through hole 11 of the driving arm connecting portion 1, and the front end of the limit protrusion is provided with a bent portion 2113 adapted to the stop portion 12 of the driving arm connecting portion 1, more preferably, the front end of the top of the two side plates 212 of the base 21 is further provided with a front cover plate 215, the front cover plate 215 and the two side plates 212 surround to form an insertion notch 2123, as shown in fig. 5, 6 and 7, the stop portion 12 of the driving arm connecting portion 1 is inserted into the insertion notch 2123, the stop portion 12 is adapted to the bent portion 2113 of the partition 211, and the limit through hole 11 is clamped on the limit protrusion 2111 of the partition 211, so that the driving arm connecting portion 1 is stably placed in the receiving groove 214.

As shown in fig. 5, a step surface 219 is formed at the top of each of the two side plates 212 of the base 21, the step surface 219 includes a vertical surface 2191 and a horizontal surface 2192, a second stopper 217 is disposed on the step surface 219, the second stopper 217 is L-shaped and has a long side 2171 and a short side 2172, and the second stoppers 217 are disposed on the vertical surface 2191 of the step surface 219 at intervals; the front end of the stepped surface 219 is provided with a groove 216, a separating bump 2161 is arranged in the middle of the groove 216, the separating bump 2161 separates the groove 216 into a first groove 2162 and a second groove 2163 from the length direction, the separating bump 2161 is provided with a resisting surface 2164 on the second groove 2163, and the resisting surface 2164 is used for limiting the rotation bump 2211 from easily moving from the second groove 2163 to the first groove 2162; a sliding groove 218 is further formed above the first groove 2162, the sliding groove 218 is located on the front cover plate 215, the width between the two sliding grooves 218 is gradually widened from the top, so that the rotating salient point 2211 can slide into the first groove 2162 from the sliding groove 218, an arc surface 2165 is formed on one side of the first groove 2162, and the arc surface 2165 is located on one side far away from the second groove 2163.

As shown in fig. 3, the two side wings 221 are formed on the upper cover 22 along the length direction, the two side wings 221 extend forward to form an extension section 223, a rotation bump 2211 is formed on the extension section 223, the rotation bump 2211 is a hemispherical bump and has a spherical surface 22111, and the rotation bump 2211 can rotate in the circular surface 2165 of the first recess 2162, so that the upper cover 22 can rotate relative to the base 21; the inner sides of the side wings 221 are further provided with a plurality of first limit blocks 222 arranged at intervals, the first limit blocks 222 are L-shaped and have long sides 2221 and short sides 2222, meanwhile, the upper cover 22 is correspondingly provided with process holes 224 in the vertical direction of the first limit blocks 222, the process holes 224 are convenient for forming the L-shaped first limit blocks 222 in an integrated manner during injection molding, and preferably, the top end surfaces of the upper cover 22 and/or the side wings 221 are provided with a plurality of anti-friction strips 225.

Preferably, as shown in fig. 3 and 5, in order to facilitate the movement of the rotary bump 2211 from the first groove 2162 to the second groove 2163 during the installation, the base 21 has a first guiding inclined surface 2166 on the first groove 2162, and the rotary bump 2211 of the top cover 22 has a second guiding inclined surface 22112 on the rotary bump 2211, wherein the second guiding inclined surface 22112 is opposite to the first guiding inclined surface 2166, so that the whole rotary bump 2211 can be more easily moved from the first groove 2162 to the second groove 2163. It should be noted that, because the groove 216 is disposed at the front end of the step 219, when the upper cover 22 is fastened to the base 21, the inner wall of the upper cover 22 abuts against the top end surfaces of the two side plates 212 of the base 21, and when the upper cover 22 horizontally slides in the longitudinal direction with respect to the base 21, the sliding track X1 of the inner wall of the upper cover 22 and the top end surfaces of the two side plates 212 of the base 21, the sliding track X2 of the rotation salient point 2211 of the upper cover 21 in the groove 216, and the sliding track X3 of the first stopper 222 with respect to the second stopper 217 are substantially parallel to each other, so that they are substantially parallel to each other, and ideally are parallel to each other.

When the device is installed, as shown in fig. 6, the rotation bump 2211 on the upper cover 22 slides into the first groove 2162 through the sliding slot 218, and the upper cover 22 can rotate on the base 21 by the cooperation of the spherical surface 22111 on the rotation bump 2211 and the arc surface 2165 on the first groove 2162, at this time, the upper cover 22 and the base 21 are unlocked; when the driving arm connecting portion 1 is placed in the receiving cavity 214 through the insertion notch 2123, the limiting through hole 11 is clamped on the limiting protrusion 2111 of the partition 211, and then the upper cover 22 is closed on the base 21, at this time, the first limiting block 222 of the upper cover 22 is placed in the interval of the second limiting block 217, the long side 2171 of the second limiting block 217 and the long side 2221 of the first limiting block 222 are arranged in parallel, the first limiting block 222 and the second limiting block 217 are arranged in a staggered manner in the vertical direction, as shown in fig. 8, then the upper cover 22 is moved forward relative to the base 21, so that the rotation bump 2211 is moved from the first groove 2162 to the second groove 2163, due to the existence of the resisting surface 2164 of the separating protrusion 2161, the rotation bump 2211 cannot be easily moved from the second groove 2163 to the first groove 2162, the movement of the upper cover 22 relative to the base 21 in the length direction is limited, as shown in fig. 9, the long side 2221 of the first limiting block 222 can be inserted in the hollow area of the long side 2171 of the short side 2171 of the second limiting protrusion 2171 and the short side 2172 And the first limiting block 222 and the second limiting block 217 interfere with each other in the vertical direction to limit the movement of the upper cover 22 relative to the base 21 in the up-down direction, so that the upper cover 22 is fixed on the base 21, and in the preferred embodiment, the distance from the inner wall of the upper cover 22 to the upper end surface of the partition plate 211 is matched with the thickness of the driving arm connecting portion 1, that is, the inner wall of the upper cover 22 is in transition fit with the upper end surface of the driving arm connecting portion 1, so that the stable connection between the driving arm connecting portion and the adapter 2a can be further ensured.

Second embodiment:

the adaptor 2b of this embodiment is substantially the same as the first embodiment, and only the locking structure is added between the front end of the upper cover 22 between the two side wings 221 and the front cover plate 215, specifically, as shown in fig. 10 to 12, an extension 2241 is provided forward of the front end of the upper cover 22, and the front end of the extension 2241 is upward formed with a barb 2242, more preferably, the front end of the upper cover 22 is further provided with notches 2243 at two sides of the extension 2241, and the elasticity of the extension 2241 can be increased by means of the notches 2243, so that it is more convenient to assemble and disassemble; the front cover plate 215 is provided with a vertically through mounting notch 2151 on one side facing the upper cover 22, the barb 2242 of the extension 2241 can be clamped in the mounting notch 2151 to realize locking between the upper cover 22 and the front cover plate 215 along the length direction, a sinking groove 2152 is additionally arranged on the front cover plate 215, the sinking groove 2152 is connected with the mounting notch 2151 and is used for conveniently pressing the barb 2242 out of the mounting notch 2151, the upper cover 22 is in limit fit with a resisting surface 2164 of a second groove 2163 of the base 21 through rotating salient points 2211 of the left and right side wings 221, and the upper cover 22 and the base 21 are in limit fit with each other in addition to ensure that the upper cover 22 and the base 21 can be connected more stably when being in a locking state.

Third embodiment:

the adaptor 2c of this embodiment is substantially identical to the second embodiment, and as shown in fig. 13, only the groove 216 in the hinge structure is arranged to have a distance of forward and backward displacement along the length direction of the side plate, and no separation projection is arranged in the middle to separate the groove, in this embodiment, the restriction of forward and backward displacement between the upper cover 22 and the base 21 is achieved by adding a locking structure between the front end of the upper cover 22 between the two side wings 221 and the front cover plate 215, and the structure and installation manner are substantially identical to the second embodiment, and after the rotary projection 2211 enters the groove 216, the upper cover 22 is moved forward, the barb 2242 is clamped in the installation notch 2151, and the locking between the upper cover 22 and the front cover plate 215 on the base 21 is achieved, so that the upper cover 22 is fixed on the base 21 along the length direction.

Fourth embodiment:

the locking device between the top cover (not shown) and the base of the adapter 2d can refer to embodiment 1 or 2, in which the adapter 2d has a pivot connection portion 3b different from the two embodiments, as shown in fig. 14, specifically, a positioning block 31 is further disposed below the partition 211, the positioning block 31 has a pivot hole 3b with a downward opening, and the pivot hole 3b constitutes the pivot connection portion of the adapter 2 c.

It should be understood that the above-mentioned embodiments of the adapter disclosed in the above embodiments are exemplary and should not be construed as limiting the present invention, and those skilled in the art can make variations, modifications, replacements and modifications to the above-mentioned embodiments within the scope of the present invention, for example, the hinge structure at the front end of the upper cover and the base body can be a pivot hole on the upper cover, a corresponding pivot shaft on the side plate of the base is provided, the upper cover can rotate relative to the base through the pivot hole and the pivot shaft, and the fixing structure at the rear end of the hinge structure can be a plurality of plug-in structures or latch-in structures, wherein the plug-in structures include a positioning pin and a latch-in structure, the latch-in structure includes a plurality of limiting grooves and protruding blocks, the upper cover of the above-mentioned embodiments does not need to move forward relative to the base, only after the pivot hole is matched with the pivot shaft, then the upper cover is rotated to the base and is fixed on the base through the inserting structure or the clamping structure. Or the upper cover and the base can be separated from each other without a hinge structure at the front ends of the upper cover and the base, and the upper cover and the base are directly fixed with each other through an inserting structure or a clamping structure.

The invention also discloses a windshield wiper, which comprises any one of the adapters 2a, 2b and 2c, wherein the adapters 2a, 2b and 2c are used for realizing the connection between the windshield wiper assembly and the driving arm, namely, the windshield wiper of the type is most obviously different from the traditional windshield wiper in that any one of the adapters 2a, 2b and 2c is adopted, the structure of the windshield wiper assembly used by the windshield wiper belongs to the structural characteristics known by a person skilled in the art, and the traditional known technology is about how to install the adapters 2a, 2b and 2c to the windshield wiper assembly, and the adapters 2a, 2b and 2c can be installed at corresponding positions in an up-and-down swinging mode along the length direction of the windshield wiper assembly, so that the description is not repeated.

In the description of the present invention, it is to be understood that the terms "length," "width," "thickness," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate orientations or positional relationships that are based on the orientations or positional relationships illustrated in the drawings, are used merely to facilitate the description of the invention and to simplify 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 invention.

Furthermore, 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. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.