阅读说明：本技术 剃毛设备工作头快连结构 (Quick connecting structure for working head of shaving equipment ) 是由 余利旭 于 2021-07-27 设计创作，主要内容包括：一种剃毛设备工作头快连结构,包括突出设置于一动力部上的第一连接头及突出设置于一工作头上的第二连接头；第二连接头的外侧壁上设置有第一导向槽,第及第二导向槽；第一连接头包括与动力部连接的安装座及安装于安装座上的限位环；限位环包括两个相对设置的第一弧形部、连接于两个第一弧形部的端部之间的两个第二弧形部,第一弧形部的凹向面朝向限位环的中心,第二弧形部的凸向面朝向限位环的中心；两个第二弧形部的凸向面的中部均突出设置有卡接凸块；卡接凸块越过第一限位凸块的过程中,第二弧形部可发生形变,从而避免卡接凸块或第一限位凸块磨损,延长产品的使用寿命。(A quick connecting structure of a shaving equipment working head comprises a first connecting head arranged on a power part in a protruding mode and a second connecting head arranged on a working head in a protruding mode; a first guide groove, a second guide groove and a third guide groove are formed in the outer side wall of the second connector; the first connecting head comprises a mounting seat connected with the power part and a limiting ring arranged on the mounting seat; the limiting ring comprises two first arc-shaped parts which are oppositely arranged and two second arc-shaped parts which are connected between the end parts of the two first arc-shaped parts, the concave surface of each first arc-shaped part faces to the center of the limiting ring, and the convex surface of each second arc-shaped part faces to the center of the limiting ring; clamping convex blocks are arranged in the middle of the convex surfaces of the two second arc-shaped parts in a protruding mode; the clamping convex block passes through the first limiting convex block, and the second arc-shaped part can deform, so that the clamping convex block or the first limiting convex block is prevented from being abraded, and the service life of a product is prolonged.)

1. A shaving equipment working head quick-connecting structure is characterized in that: comprises a first connector which is arranged on a power part in a protruding way and a second connector which is arranged on a working head in a protruding way; one end of the outer side wall of the second connector, which is far away from the working head, along the radial direction is respectively provided with a first guide groove along the axial direction in a concave manner, the outer side wall of the second connector is provided with a second guide groove along the circumferential direction, the second guide groove is communicated with the first guide groove, and the middle part of the second guide groove is provided with a first limiting lug in a protruding manner; the first connecting head comprises a mounting seat connected with the power part and a limiting ring arranged on the mounting seat; the limiting ring comprises two first arc-shaped parts which are oppositely arranged and two second arc-shaped parts which are connected between the end parts of the two first arc-shaped parts, the concave surface of each first arc-shaped part faces to the center of the limiting ring, and the convex surface of each second arc-shaped part faces to the center of the limiting ring; clamping convex blocks are arranged in the middle of the convex surfaces of the two second arc-shaped parts in a protruding mode; the clamping convex block moves into the second guide groove through the first guide groove, crosses the first limiting convex block and is clamped with the first limiting convex block.

2. A shaving apparatus working head quick-connect structure as claimed in claim 1, wherein: the mounting seat is provided with an annular convex column, first openings are respectively formed in the two sides of the annular convex column and the part far away from the power part, and the second arc-shaped part is located in the first openings.

3. A shaving apparatus working head quick-connect structure as claimed in claim 2, wherein: the part of the annular convex column, which is close to the power part, is provided with first positioning grooves in a concave mode at positions close to two sides of the first opening respectively, the two ends of the first arc-shaped part and one side, facing the power part, of the first arc-shaped part are provided with first positioning lugs in a protruding mode, and the positioning lugs are located in the first positioning grooves.

4. A shaving apparatus working head quick-connect structure as claimed in claim 2, wherein: the power part is provided with a first arc-shaped part, a second arc-shaped part and a power part, wherein the first arc-shaped part is arranged on the annular convex column, the side surface adjacent to the first opening is arranged on the annular convex column, the part close to the power part is provided with a first clamping interface, the middle part of the first arc-shaped part protrudes towards one side of the power part and is provided with a second clamping part, and the second clamping part is arranged in the first clamping interface.

5. A shaving apparatus working head quick-connect structure as claimed in claim 4, wherein: one side of the inner side wall of the annular convex column, which is far away from the power part from the first clamping interface, is provided with a first clamping part in a protruding mode, and the second clamping part is located in the first clamping interface after passing through the first clamping part.

6. A shaving apparatus working head quick-connect structure as claimed in claim 4, wherein: the center of the first clamping interface and the center of the first opening form an included angle of 45-90 degrees relative to the axis of the annular convex column.

7. A shaving apparatus working head quick-connect structure as claimed in claim 1, wherein: the middle part of the side face, facing the center of the limiting ring, of the clamping lug is concavely provided with a buffering groove.

8. A shaving apparatus working head quick-connect structure as claimed in claim 1, wherein: the height of the first limiting convex block is smaller than the depth of the second guide groove.

9. A shaving apparatus working head quick-connect structure as claimed in claim 1, wherein: and a second limiting bump is arranged on the outer side wall of the second connector in a protruding manner on one side of the second guide groove close to the working head.

10. A shaving apparatus working head quick-connect structure as claimed in claim 1, wherein: and a chamfer is arranged at the corner of the second guide groove communicated with the first guide groove.

Technical Field

The invention relates to the technical field of daily care products, in particular to a quick connection structure for a working head of shaving equipment.

Background

Shaving equipment, such as a shaver, generally comprises a power section and a working head, wherein an output shaft in the power section is connected with a working shaft of the working head, so that the power section drives the working shaft in the working head to rotate, and further drives a blade to act. To facilitate cleaning or replacement of the working head, prior razors typically have the working head removably connected to the power section. Chinese patent CN106671146B discloses a detachable floating shaver, wherein a clamping member 43 is protruded from a working head of the shaver, a positioning block 47 is protruded from the outer side of the clamping member 43 in the circumferential direction, a floating member 4 is provided on a power portion, an dislocation clamping groove 45 and a positioning clamping groove 44 are provided on the inner surface of the floating member 4, a positioning bolt 46 is protruded from the positioning clamping groove 44, when the working head is connected with the power portion in a matching manner, the positioning block 47 enters the dislocation clamping groove 45 first, then the clamping member 43 rotates by a certain angle, so that the positioning block 47 enters the positioning clamping groove 44, and the clamping is realized with the positioning bolt 46 after crossing the positioning bolt 46. After multiple times of use, the positioning fixture block 47 and the positioning bolt 46 are easily abraded due to the rigid contact of the positioning fixture block 47 and the positioning bolt 46, so that the clamping failure is caused, and the working head is easily separated from the power part.

Disclosure of Invention

In view of the above, the present invention provides a quick connection structure for a shaving equipment working head, which avoids abrasion and prolongs the service life, so as to solve the above problems.

A quick connecting structure of a shaving equipment working head comprises a first connecting head arranged on a power part in a protruding mode and a second connecting head arranged on a working head in a protruding mode; one end of the outer side wall of the second connector, which is far away from the working head, along the radial direction is respectively provided with a first guide groove along the axial direction in a concave manner, the outer side wall of the second connector is provided with a second guide groove along the circumferential direction, the second guide groove is communicated with the first guide groove, and the middle part of the second guide groove is provided with a first limiting lug in a protruding manner; the first connecting head comprises a mounting seat connected with the power part and a limiting ring arranged on the mounting seat; the limiting ring comprises two first arc-shaped parts which are oppositely arranged and two second arc-shaped parts which are connected between the end parts of the two first arc-shaped parts, the concave surface of each first arc-shaped part faces to the center of the limiting ring, and the convex surface of each second arc-shaped part faces to the center of the limiting ring; clamping convex blocks are arranged in the middle of the convex surfaces of the two second arc-shaped parts in a protruding mode; the clamping convex block moves into the second guide groove through the first guide groove, crosses the first limiting convex block and is clamped with the first limiting convex block.

Furthermore, the mounting base is provided with an annular convex column, first openings are respectively formed in the two sides of the annular convex column and the part far away from the power part, and the second arc-shaped part is located in the first openings.

Furthermore, the part of the annular convex column close to the power part is respectively provided with a first positioning groove in a concave manner at the positions close to the two sides of the first opening, the two ends of the first arc-shaped part and one side of the first arc-shaped part facing the power part are provided with a first positioning lug in a protruding manner, and the positioning lugs are positioned in the first positioning grooves.

Further, the side adjacent with first opening on the annular projection and the part that is close to power portion have seted up first joint interface, and the middle part of first arc portion and the one side salient towards power portion are provided with second joint portion, and second joint portion is arranged in first joint interface.

Furthermore, one side of the inner side wall of the annular convex column, which is far away from the power part from the first clamping interface, is provided with a first clamping part in a protruding manner, and the second clamping part is located in the first clamping interface after passing through the first clamping part.

Furthermore, the center of the first clamping interface and the center of the first opening form an included angle of 45-90 degrees relative to the axis of the annular convex column.

Furthermore, the middle part of the side surface of the clamping convex block facing the center of the limiting ring is concavely provided with a buffer groove.

Further, the height of the first limiting bump is smaller than the depth of the second guide groove.

Furthermore, a second limiting bump is protrudingly arranged on one side, close to the working head, of the second guide groove on the outer side wall of the second connector.

Furthermore, a chamfer is arranged at the corner of the second guide groove communicated with the first guide groove.

Compared with the prior art, the quick connecting structure of the working head of the shaving equipment comprises a first connecting head which is convexly arranged on a power part and a second connecting head which is convexly arranged on the working head; one end of the outer side wall of the second connector, which is far away from the working head, along the radial direction is respectively provided with a first guide groove along the axial direction in a concave manner, the outer side wall of the second connector is provided with a second guide groove along the circumferential direction, the second guide groove is communicated with the first guide groove, and the middle part of the second guide groove is provided with a first limiting lug in a protruding manner; the first connecting head comprises a mounting seat connected with the power part and a limiting ring arranged on the mounting seat; the limiting ring comprises two first arc-shaped parts which are oppositely arranged and two second arc-shaped parts which are connected between the end parts of the two first arc-shaped parts, the concave surface of each first arc-shaped part faces to the center of the limiting ring, and the convex surface of each second arc-shaped part faces to the center of the limiting ring; clamping convex blocks are arranged in the middle of the convex surfaces of the two second arc-shaped parts in a protruding mode; the clamping convex block moves into the second guide groove through the first guide groove, crosses the first limiting convex block and is clamped with the first limiting convex block. The spacing ring has two first arc portions and two second arc portions, the concave surface of first arc portion is towards the center to the spacing ring, the protruding surface of second arc portion is towards the center of spacing ring, the joint lug sets up in the middle part of the protruding surface of second arc portion, the in-process that the joint lug crossed first spacing lug, the deformation can take place for the second arc portion to avoid joint lug or first spacing lug wearing and tearing, the life of extension product. In addition, different working heads can be conveniently replaced, and when the different working heads are replaced, the abrasion of parts is reduced, so that the service life is prolonged.

Drawings

Embodiments of the invention are described below with reference to the accompanying drawings, in which:

fig. 1 is a schematic perspective view of a quick connection structure of a shaving device working head according to the present invention.

Fig. 2 is an exploded schematic view of a quick-connection structure of a shaving device working head provided by the invention.

Fig. 3 is a perspective view of the second connecting head in fig. 2.

Fig. 4 is a disassembled schematic view of a quick connection structure of a shaving device working head provided by the invention.

Detailed Description

Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

Referring to fig. 1 to 4, the quick connection structure of the working head of the hair shaving device provided by the present invention includes a first connection head 10 protruding from a power unit 30 and a second connection head 20 protruding from a working head 40.

The first connector 10 includes a mounting seat 11 connected to the power unit 30 and a stopper ring 12 mounted on the mounting seat 11.

The mounting base 11 has an annular convex column 111, first openings 112 are respectively opened at two sides of the annular convex column 111 and a portion far away from the power portion 30, and first positioning grooves 113 are respectively recessed at positions of two sides of the annular convex column 111 near the power portion 30 and near the first openings 112.

The side surface of the annular convex column 111 adjacent to the first opening 112 and the portion close to the power portion 30 are provided with a first clamping interface 114, the center of the first clamping interface 114 and the center of the first opening 112 form an included angle of 45-90 degrees relative to the axis of the annular convex column 111, and the included angle is preferably 90 degrees.

A first clamping portion 115 is disposed on the inner sidewall of the annular convex column 111 and protrudes from a side of the first clamping interface 114 away from the power portion 30.

The stop collar 12 includes two first arc-shaped portions 121 disposed opposite to each other, and two second arc-shaped portions 123 connected between the ends of the two first arc-shaped portions 121. The concave surface of the first arcuate portion 121 faces toward the center of the stop collar 12, and the convex surface of the second arcuate portion 123 faces toward the center of the stop collar 12.

Each of the second arc-shaped portions 123 connects the end portions of the two first arc-shaped portions 121 on the side away from the power portion 30, so that the side of the end portions of the two first arc-shaped portions 121 close to the power portion 30 forms a first avoidance opening 122.

The middle parts of the convex surfaces of the two second arc-shaped parts 123 are respectively provided with a clamping lug 1231 in a protruding manner, and the middle part of the side surface of the clamping lug 1231 facing the center of the limiting ring 12 is provided with a buffering groove 1232 in a recessed manner.

A second clamping portion 124 is protrudingly disposed at a middle portion of the first arc-shaped portion 121 and toward one side of the power portion 30. A first positioning protrusion 125 is protruded from both ends of the first arc-shaped part 121 toward one side of the power part 30.

When the limiting ring 12 is matched with the mounting seat 11, the limiting ring 12 is located on the inner side of the mounting seat 11, the second arc-shaped portion 123 is located in the first opening 112, the first positioning protrusion 125 is located in the first positioning groove 113, and the second clamping portion 124 is located in the first clamping interface 114 after passing over the first clamping portion 115. The annular convex column 111 between the two first positioning grooves 113 is located in the first avoiding opening 122.

The outer side wall of the second connector 20 and the end far away from the working head along the radial direction are respectively provided with a first guide groove 21 along the axial direction in a recessed manner, a second guide groove 22 is communicated with the first guide groove 21, and the second guide groove 22 is arranged along the circumferential direction of the second connector 20.

A first limit bump 23 is protrudingly provided at the middle of the second guide groove 22, and the height of the first limit bump 23 is smaller than the depth of the second guide groove 22.

Further, a second limiting protrusion 24 is protrudingly disposed on the outer side wall of the second connector 20 on a side of the second guide groove 22 close to the working head, and the second limiting protrusion 24 can limit the depth of the second connector 20 extending into the first connector 10.

Further, a chamfer 25 is provided at a corner of the second guide groove 22 communicating with the first guide groove 21, so that the clamping protrusion 1231 can move from the first guide groove 21 to the second guide groove 22.

In the process that the clamping bump 1231 crosses the first limiting bump 23, the first limiting bump 23 is movably located in the buffering groove 1232 to provide a clamping intermediate state, so as to reduce the clamping difficulty.

When the second connector 20 is engaged with the first connector 10, the second connector 20 and the first connector 10 approach each other first, so that the engaging protrusion 1231 of the second arc-shaped portion 123 is located along the first guiding groove 21 and the first guiding groove 21 moves; then, the second connector 20 or the first connector 10 rotates by a certain angle, and the clamping protrusion 1231 is located in the second guide groove 22 and moves along the second guide groove 22; the clamping protrusion 1231 is located on the side of the second guiding groove 22 away from the first guiding groove 21 after passing over the first limiting protrusion 23. The first limiting protrusion 23 abuts against the clamping protrusion 1231, so as to clamp the clamping protrusion 1231, thereby preventing the second connector 20 or the first connector 10 from undesired rotation and separation.

In the process that the clamping convex block 1231 crosses the first limiting convex block 23, the second arc-shaped part 123 can deform, so that the clamping convex block 1231 or the first limiting convex block 23 is prevented from being worn, and the service life of a product is prolonged.

Compared with the prior art, the quick connecting structure of the working head of the shaving equipment comprises a first connecting head 10 which is arranged on a power part 30 in a protruding way and a second connecting head 20 which is arranged on a working head in a protruding way; a first guide groove 21 is respectively and axially recessed at two ends along the radial direction of one end, far away from the working head, of the outer side wall of the second connector 20, a second guide groove 22 is circumferentially arranged on the outer side wall of the second connector 20, the second guide groove 22 is communicated with the first guide groove 21, and a first limiting bump 23 is protrudingly arranged in the middle of the second guide groove 22; the first connecting head 10 comprises a mounting seat 11 connected with the power part 30 and a limiting ring 12 mounted on the mounting seat 11; the position-limiting ring 12 comprises two oppositely arranged first arc-shaped parts 121 and two second arc-shaped parts 123 connected between the end parts of the two first arc-shaped parts 121, the concave surface of the first arc-shaped part 121 faces to the center of the position-limiting ring 12, and the convex surface of the second arc-shaped part 123 faces to the center of the position-limiting ring 12; clamping convex blocks 1231 are convexly arranged in the middle of the convex surfaces of the two second arc-shaped parts 123; the clamping bump 1231 moves into the second guide groove 22 through the first guide groove 21, and passes over the first limit bump 23 and is clamped with the first limit bump 23. The spacing ring 12 has two first arc portions 121 and two second arc portions 123, the concave surface of first arc portion 121 faces towards the center of spacing ring 12, the convex surface of second arc portion 123 faces towards the center of spacing ring 12, joint lug 1231 sets up in the middle part of the convex surface of second arc portion 123, the in-process that first spacing lug 23 was crossed to joint lug 1231, second arc portion 123 can be out of shape, thereby avoid joint lug 1231 or first spacing lug 23 wearing and tearing, the life of extension product. In addition, different working heads can be conveniently replaced, and when the different working heads are replaced, the abrasion of parts is reduced, so that the service life is prolonged.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.