CN219190284U - Spanner adjustment mechanism of electric clipper - Google Patents
Spanner adjustment mechanism of electric clipper Download PDFInfo
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- CN219190284U CN219190284U CN202320027609.2U CN202320027609U CN219190284U CN 219190284 U CN219190284 U CN 219190284U CN 202320027609 U CN202320027609 U CN 202320027609U CN 219190284 U CN219190284 U CN 219190284U
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- wrench
- tooth
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- bottom plate
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Abstract
The utility model discloses a spanner adjusting mechanism of an electric hair clipper, which comprises a cutter head assembly and a spanner assembly, wherein the cutter head assembly comprises a bottom plate, a fixed cutter rest, a fixed cutter blade, a movable cutter rest, a movable cutter blade and a torsion spring, and the fixed cutter rest is slidably arranged on the bottom plate; the wrench assembly comprises a wrench and a spring, the wrench is rotatably connected to the bottom plate through a pin shaft, a driving column is arranged at the eccentric position of the inner end of the wrench, a fixed tool rest is provided with a slot in plug connection with the driving column, a fixed tooth block which rotates synchronously with the wrench is arranged in the wrench, an umbrella tooth part meshed with the tooth surface of the fixed tooth block is arranged on the wrench or the pin shaft, the spring is propped against the inner end surface of the wrench and between the fixed tooth block so that the fixed tooth block has a trend of moving towards one side of the umbrella tooth part, and the fixed tooth block in the wrench is matched with the umbrella tooth part to accurately position the wrench, so that the problems of low positioning precision, large occupied space and high manufacturing cost of the conventional wrench adjusting mechanism are solved.
Description
Technical Field
The utility model relates to the technical field of electric hair clippers, in particular to a spanner adjusting mechanism of an electric hair clipper.
Background
The existing electric hair clipper comprises a clipper body and a cutter head assembly, wherein the cutter head assembly is arranged at the front end of a bottom plate, the cutter head assembly comprises a bottom plate, a fixed cutter frame, a movable cutter frame, a fixed cutter blade, a movable cutter blade and a torsion spring, the bottom plate is arranged at the front end of the clipper body, the fixed cutter blade is fixedly connected with the fixed cutter frame, the movable cutter blade is limited and inserted in the movable cutter frame or is fixedly connected with the movable cutter frame, the torsion spring is fixedly arranged on the bottom plate or the fixed cutter frame, and two sides of the torsion spring act on the movable cutter frame to enable the movable cutter blade to be attached to the fixed cutter blade.
In order to enable the electric clipper to change the front-back distance between the fixed blade and the movable blade in the using process, thereby achieving the effect of controlling the hair cutting length, a spanner adjusting mechanism is generally arranged on the electric clipper, for example, a gear adjusting mechanism disclosed in China patent (publication No. CN 213106940U) is arranged on the electric clipper, the electric clipper comprises a guide rail arranged at the top end of a clipper body, a fixed cutter frame is slidably arranged on the guide rail, the top of the fixed cutter frame is connected with the fixed blade, one side of the clipper body is provided with an adjusting spanner, the adjusting spanner can rotate relative to the fixed cutter frame and push the fixed cutter frame to slide along the guide rail, a gear lever is enabled to rotate along with the adjusting spanner through rotating the adjusting spanner, and a push rod connected with the adjusting spanner can push the fixed cutter frame to move back and forth when the adjusting spanner rotates, so that the fixed cutter frame is fixedly connected with the fixed cutter frame moves back and forth.
However, the external gear groove structure has the problems of low positioning precision, large occupied space and high manufacturing cost, so that the external gear groove structure needs to be improved.
Disclosure of Invention
The utility model aims to provide a spanner adjusting mechanism of an electric hair clipper, which is used for accurately positioning a spanner by matching a tooth fixing block in the spanner with an umbrella tooth part, so that the problems of low positioning precision, large occupied space and high manufacturing and processing cost of the traditional spanner adjusting mechanism are solved.
The technical aim of the utility model is realized by the following technical scheme: a spanner adjusting mechanism of electric hair clipper comprises a cutter head component and a spanner component,
the tool bit assembly comprises a bottom plate, a fixed tool rest, a fixed blade, a movable tool rest, a movable blade and a torsion spring, wherein the fixed tool rest is slidably arranged on the bottom plate;
the wrench assembly comprises a wrench and a spring, the wrench is rotatably connected to the bottom plate through a pin shaft, a driving column is arranged at the eccentric position of the inner end of the wrench, a fixed tool rest is provided with a slot in plug-in connection with the driving column, a fixed tooth block which rotates synchronously with the wrench is arranged in the wrench, an umbrella tooth part meshed with the tooth surface of the fixed tooth block is arranged on the wrench or the pin shaft, and the spring is propped against the inner end surface of the wrench and the fixed tooth block so that the fixed tooth block has a trend of moving towards one side of the umbrella tooth part.
Further, a nut part is arranged on the outer side of the pin shaft, the spanner and the tooth fixing block are limited to be separated from the pin shaft through the nut part, and the umbrella tooth part is arranged on the inner end face of the nut part.
Further, a threaded portion with an outer diameter smaller than that of the pin shaft is arranged on the other side, opposite to the nut portion, of the pin shaft, and a step is formed between the threaded portion and the pin shaft.
Further, the tooth fixing block comprises a positioning block and a tooth umbrella block connected to the positioning block, a positioning tooth umbrella part meshed with the tooth surface of the tooth umbrella part is arranged on the tooth umbrella block, and a positioning groove is formed in the inner wall of the wrench and is matched with the positioning block.
Further, a guide groove is formed in the inner end of the positioning block, and the spring part is accommodated in the guide groove.
Further, the inner end of the wrench is provided with a supporting surface, the supporting surface is propped against the fixed tooth block through a spring, and the fixed tooth block is limited in axis through the cooperation of the nut part and the supporting surface.
Further, one side of the bottom plate corresponding to the wrench is provided with a mounting groove, a mounting block is fixedly mounted in the mounting groove, and the other end of the pin shaft, which is opposite to the wrench, is fixedly connected with the mounting block.
Further, limiting frames are arranged on two sides of the fixed knife rest, corresponding to the bottom plate, of the fixed knife rest, and the limiting frames are matched with the bottom plate in a guiding mode so that the fixed knife rest can slide up and down along the bottom plate.
In summary, the utility model has the following beneficial effects:
according to the spanner adjusting mechanism, when the spanner rotates, the fixed knife rest and the fixed knife blade are driven by the driving column to move along the bottom plate, and the front-back distance between the fixed knife blade and the movable knife blade is further adjusted, so that the hair cutting length is controlled, the spanner is accurately positioned by matching the fixed tooth block in the spanner with the bevel gear part, and the problems of low positioning precision, large occupied space and high manufacturing and processing cost of the traditional spanner adjusting mechanism are solved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is an exploded view of the present utility model.
Fig. 3 is an exploded view of the wrench assembly of the present utility model.
Fig. 4 is a cross-sectional view of the present utility model.
In the figure: 1. a cutter head assembly; 11. a bottom plate; 111. a mounting block; 112. a through hole; 12. a fixed tool rest; 121. a slot; 122. a limit frame; 13. a fixed blade; 14. a movable tool rest; 15. a movable blade; 16. a torsion spring; 2. a wrench assembly; 21. a wrench; 211. a positioning groove; 22. a spring; 23. a pin shaft; 231. a nut portion; 232. umbrella tooth part; 233. a threaded portion; 24. a drive column; 25. tooth fixing blocks; 251. a positioning block; 2511. a guide groove; 252. umbrella tooth block; 2521. positioning the bevel gear part.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, a wrench adjusting mechanism of an electric hair clipper comprises a cutter head assembly 1 and a wrench assembly 2, wherein the cutter head assembly 1 comprises a bottom plate 11, a fixed cutter frame 12, a fixed cutter 13, a movable cutter frame 14, a movable cutter 15 and a torsion spring 16, the fixed cutter frame 12 is slidably arranged on the bottom plate 11, the bottom plate 11 is arranged at the front end of a machine body of the electric hair clipper, the fixed cutter 13 is fixedly arranged on the fixed cutter frame 12, the movable cutter 15 is limited and inserted on the movable cutter frame 14 or is fixedly connected with the movable cutter frame 14, the torsion spring 16 is fixedly arranged on the bottom plate 11 or the fixed cutter frame 12, and two sides of the torsion spring 16 act on the movable cutter frame 14 to enable the movable cutter 15 to be attached to the fixed cutter 13.
The wrench assembly 2 comprises a wrench 21 and a spring 22, the wrench 21 is rotatably connected to the bottom plate 11 through a pin shaft 23, a driving column 24 is arranged at the eccentric position of the inner end of the wrench 21, a slot 121 in plug-in fit with the driving column 24 is arranged on the fixed tool rest 12, a fixed tooth block 25 which rotates synchronously with the fixed tool rest is arranged in the wrench 21, an umbrella tooth part 232 meshed with the tooth surface of the fixed tooth block 25 is arranged on the wrench 21 or the pin shaft 23, and the spring 22 is propped against the space between the inner end surface of the wrench 21 and the fixed tooth block 25 so that the fixed tooth block 25 has a trend of moving towards one side of the umbrella tooth part 232.
According to the spanner adjusting mechanism, when the spanner 21 rotates, the fixed knife rest 12 and the fixed knife blade 13 are driven to move along the bottom plate 11 through the matching of the driving column 24 and the insertion wall of the slot 121, and then the front-back distance between the fixed knife blade 13 and the movable knife blade 15 is adjusted, so that the hair cutting length is controlled, the spanner 21 is accurately positioned through the matching of the fixed tooth block 25 in the spanner 21 and the bevel gear part 232, and the problems of low positioning precision, large occupied space and high manufacturing and processing cost of the traditional spanner adjusting mechanism are solved.
The outer side of the pin shaft 23 is provided with a nut part 231, the wrench 21 and the tooth fixing block 25 are limited to be separated from the pin shaft 23 through the nut part 231, the tooth part 232 is arranged on the inner end face of the nut part 231, in the utility model, the tooth part 232 is formed on the inner end face of the nut part 231, the pin shaft 23 has the functions of limiting and positioning through the structural design of the pin shaft 23, the nut part 231 and the tooth part 232 are formed on the outer end of the pin shaft 23, the assembly procedure of the tooth part 232 and the occupied space of the structure can be reduced, and the whole day volume of the wrench adjusting mechanism is smaller.
The other side of the pin 23 opposite to the nut portion 231 is provided with a threaded portion 233 having an outer diameter smaller than that of the pin 23, a step is formed between the threaded portion 233 and the pin 23, and the pin 23 is assembled to the base plate 11 through the threaded portion 233, so that the pin 23 is screwed to the step to abut against the side end of the base plate 11 during installation.
Further, a mounting groove is formed in one side of the bottom plate 11 corresponding to the wrench 21, a mounting block 111 is fixedly mounted in the mounting groove, the pin 23 is fixedly connected to the mounting block 111 relative to the other end of the wrench 21, specifically, a threaded hole in threaded connection with the threaded portion 233 is formed in the mounting block 111, a through hole 112 is formed in the bottom plate 11, the threaded portion 233 extends into the threaded hole, and the bottom plate 11 is inconvenient to position and clamp before machining, so that machining of the threaded hole is facilitated by the fact that the threaded hole is formed in the mounting block 111.
The tooth fixing block 25 comprises a positioning block 251 and a tooth fixing block 252 connected to the positioning block 251, the tooth fixing block 252 is provided with a positioning tooth part 2521 meshed with the tooth surface of the tooth fixing part 232, and through the arrangement, on one hand, the tooth fixing block 25 is in positioning fit with the positioning groove 211 of the wrench 21 through the positioning block 251 so as to realize synchronous rotation with the wrench 21, on the other hand, the outer end of the tooth fixing block 25 is provided with the positioning tooth part 2521, and on the other hand, the tooth surface of the tooth fixing block is meshed with the tooth surface of the tooth fixing part 232 on the nut through the positioning tooth part 2521 to play a positioning role.
The inner end of the positioning block 251 is provided with a guide groove 2511, the spring 22 is partially accommodated in the guide groove 2511, and the guide groove 2511 is provided to guide the spring 22, so as to prevent the tooth fixing block 25 from deviating when rotating along with the wrench 21.
The inner end of the wrench 21 is provided with a supporting surface, the spring 22 is propped between the supporting surface and the tooth fixing block 25, and the nut part 231 is matched with the supporting surface to limit the axis of the tooth fixing block 25.
The fixed knife rack 12 is provided with a limit frame 122 on two sides corresponding to the bottom plate 11, the limit frame 122 is in guiding fit with the bottom plate 11 so that the fixed knife rack 12 slides up and down along the bottom plate 11, and of course, as an equivalent alternative means, two sides of the bottom plate 11 may be provided with guide grooves, and two sides of the fixed knife rack 12 are provided with guide blocks in guiding fit with the guide grooves.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
Claims (8)
1. A spanner adjustment mechanism of electric clipper, its characterized in that: comprises a tool bit assembly (1) and a wrench assembly (2),
the tool bit assembly (1) comprises a bottom plate (11), a fixed tool rest (12), a fixed tool bit (13), a movable tool rest (14), a movable tool bit (15) and a torsion spring (16), wherein the fixed tool rest (12) is slidably arranged on the bottom plate (11);
the wrench assembly (2) comprises a wrench (21) and a spring (22), the wrench (21) is rotatably connected to the bottom plate (11) through a pin shaft (23), a driving column (24) is arranged at the eccentric position of the inner end of the wrench (21), a slot (121) which is in plug-in fit with the driving column (24) is formed in the fixed knife rack (12), a fixed tooth block (25) which rotates synchronously with the wrench is arranged in the wrench (21), an umbrella tooth part (232) meshed with the tooth surface of the fixed tooth block (25) is arranged on the wrench (21) or the pin shaft (23), and the spring (22) is propped against the position between the inner end surface of the wrench (21) and the fixed tooth block (25) so that the fixed tooth block (25) has a trend of moving towards one side of the umbrella tooth part (232).
2. The wrench adjustment mechanism of an electric hair clipper of claim 1, wherein: a nut part (231) is arranged on the outer side of the pin shaft (23), the wrench (21) and the tooth fixing block (25) are limited to be separated from the pin shaft (23) through the nut part (231), and the umbrella tooth part (232) is arranged on the inner end surface of the nut part (231).
3. The wrench adjustment mechanism of an electric hair clipper of claim 2, wherein: the other side of the pin shaft (23) relative to the nut part (231) is provided with a threaded part (233) with the outer diameter smaller than that of the pin shaft (23), and a step is formed between the threaded part (233) and the pin shaft (23).
4. A wrench adjustment mechanism for electric hair clippers according to any one of claims 1-3, wherein: the tooth fixing block (25) comprises a positioning block (251) and a tooth umbrella block (252) connected to the positioning block (251), a positioning tooth umbrella part (2521) meshed with the tooth surface of the tooth umbrella part (232) is arranged on the tooth umbrella block (252), and a positioning groove (211) matched with the positioning block (251) is formed in the inner wall of the wrench (21).
5. The wrench adjustment mechanism of an electric hair clipper of claim 4, wherein: the inner end of the positioning block (251) is provided with a guide groove (2511), and the spring (22) is partially accommodated in the guide groove (2511).
6. The wrench adjustment mechanism of an electric hair clipper of claim 2, wherein: the inner end of the wrench (21) is provided with a supporting surface, the wrench is propped between the supporting surface and the tooth fixing block (25) through a spring (22), and the wrench is matched with the supporting surface through a nut part (231) to limit the axis of the tooth fixing block (25).
7. The wrench adjustment mechanism of an electric hair clipper of claim 1, wherein: one side of the bottom plate (11) corresponding to the wrench (21) is provided with a mounting groove, a mounting block (111) is fixedly mounted in the mounting groove, and the other end of the pin shaft (23) opposite to the wrench (21) is fixedly connected to the mounting block (111).
8. The wrench adjustment mechanism of an electric hair clipper of claim 1, wherein: limiting frames (122) are arranged on two sides, corresponding to the bottom plate (11), of the fixed knife rest (12), and the limiting frames (122) are matched with the bottom plate (11) in a guiding mode so that the fixed knife rest (12) can slide up and down along the bottom plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320027609.2U CN219190284U (en) | 2023-01-06 | 2023-01-06 | Spanner adjustment mechanism of electric clipper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320027609.2U CN219190284U (en) | 2023-01-06 | 2023-01-06 | Spanner adjustment mechanism of electric clipper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219190284U true CN219190284U (en) | 2023-06-16 |
Family
ID=86715115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320027609.2U Active CN219190284U (en) | 2023-01-06 | 2023-01-06 | Spanner adjustment mechanism of electric clipper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219190284U (en) |
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2023
- 2023-01-06 CN CN202320027609.2U patent/CN219190284U/en active Active
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