CN211053748U

CN211053748U - Tool bit structure and electric hair clipper with same

Info

Publication number: CN211053748U
Application number: CN201922091214.5U
Authority: CN
Inventors: 蒋琦
Original assignee: Ningbo Iclipper Electric Appliance Co Ltd
Current assignee: Ningbo Iclipper Electric Appliance Co Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-07-21
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a cutter head structure and an electric hair cutter with the same, which solves the problem of unstable structure of the existing cutter head structure, the cutter head structure comprises a fixed blade and a movable blade, the front ends of the fixed blade and the movable blade are provided with corresponding scissors comb teeth, and the electric hair cutter also comprises a movable cutter holder fixedly connected with the movable blade and a hollow guiding mechanism for limiting the movement track of the movable cutter holder; the movable blade is stacked above the fixed blade, the movable cutter frame is fixedly connected with the movable blade, a first butt joint surface abutting against the inner wall of the front side of the guide mechanism is arranged at the front end of the movable cutter frame, and a second butt joint surface abutting against the inner wall of the rear side of the guide mechanism is arranged at the rear end of the movable cutter frame. The guide mechanism is arranged to limit the movable cutter frame to do linear reciprocating motion, so that the movable cutter blade is driven to change arc motion into reciprocating linear motion, the guide mechanism presses the front end of the movable cutter frame, the movable cutter frame can be limited from floating, and the stability of the electric hair cutter during use is improved.

Description

Tool bit structure and electric hair clipper with same

Technical Field

The utility model relates to a tool for trimming hair, in particular to a cutter head structure and an electric hair clipper with the same.

Background

The electric hair clipper is a hair trimming tool commonly used in daily life and comprises an electric hair clipper head and an electric hair clipper body. The electric hair clipper head is a main functional component of the electric hair clipper and mainly comprises a fixed knife, a movable knife, a knife rest, a driving frame and a double-end torsion spring.

This internal actuating mechanism that is equipped with of electric clipper, actuating mechanism includes eccentric drive shaft, has the driving groove on the driving piece, and similar elliptical motion is done at the driving groove to the drive shaft, drives the driving piece and moves sword reciprocating motion, and consequently the sword that moves of current electric clipper is at the during operation: 1. the movable knife does arc reciprocating motion, the space between the movable knife and the fixed knife is difficult to control, and the tooth tip of the movable knife easily exceeds the fixed knife to cut the skin; 2. because the movable knife is only pressed by two feet of the double-end torsion spring when moving so as to be attached to the fixed knife, the movable knife can float when doing arc reciprocating motion, so that the heights of two sides of the movable knife are inconsistent, a gap is generated between the movable knife and the fixed knife, the stability of the movable knife and the fixed knife when cutting hair is directly influenced, and the use experience of a user is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an electric hair clipper that can make and connect inseparable tool bit structure and have this tool bit structure between movable blade and the stationary blade is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a tool bit structure, includes stationary blade and moving blade, the front end of stationary blade and moving blade is provided with corresponding scissors broach, its characterized in that: the movable knife rest is fixedly connected with the movable knife blade, and the guide mechanism which is hollow and used for limiting the motion trail of the movable knife rest is arranged;

the movable blade is stacked above the fixed blade, the movable blade holder is arranged above the movable blade, a first butt surface abutting against the inner wall of the front side of the guide mechanism is arranged at the front end of the movable blade holder, a second butt surface abutting against the inner wall of the rear side of the guide mechanism is arranged at the rear end of the movable blade holder, and the movable blade holder does linear reciprocating motion in the guide mechanism so as to drive the movable blade to do linear reciprocating motion along the fixed blade.

Preferably, the bottom of the front end of the movable tool holder extends forwards along the fixed blade to form a convex edge, the convex edge is positioned at the bottom of the guide mechanism, and the guide mechanism limits the floating of the movable tool holder.

Preferably, a spring installation cavity for installing the double-end torsion spring is formed in the guide mechanism, spring positioning grooves are formed in the movable tool holder, the middle of the double-end torsion spring is located in the spring installation cavity, and two ends of the double-end torsion spring are located in the two spring positioning grooves respectively.

Preferably, the two sides of the spring positioning groove extend upwards to form a limiting block at the end parts of the two ends of the double-end torsion spring, openings matched with the limiting blocks are formed in the two sides of the guide mechanism, and the limiting blocks can move into the openings along the guide mechanism.

Preferably, the distance between the double-end torsion spring and the inner walls of the two sides of the guide mechanism is the maximum distance that the movable blade and the movable knife rest can move along the reciprocating linear motion of the guide mechanism.

Preferably, the two spring positioning grooves are symmetrically arranged.

Preferably, the left side and the right side of the guide mechanism are provided with oppositely arranged guide grooves, the movable knife rest is provided with a guide block, and the guide block can move out of the guide mechanism along the guide grooves.

An electric hair clipper with a cutter head structure, characterized in that: including the above-described blade structures.

Preferably, the electric hair clipper further comprises a shell connected with the cutter head structure and a driving motor arranged in the shell, wherein an eccentric shaft is arranged at the front end of the driving motor, a mounting groove is formed in the movable cutter frame, and the eccentric shaft is inserted into the mounting groove and used for driving the movable cutter frame to do reciprocating motion.

Preferably, the fixed blade and the guide mechanism are fixedly connected with the shell, a spring gasket is further arranged at the front end of the shell and matched with the guide mechanism to form the spring installation cavity, and the spring gasket abuts against the middle part of the bidirectional spring

Compared with the prior art, the utility model has the advantages that the cutter head mechanism and the electric hair clipper with the cutter head mechanism have,

1. the guide mechanism is arranged to limit the movable cutter frame to only do linear reciprocating motion, so that the movable cutter blade is driven to change arc motion into reciprocating linear motion, the distance between the movable cutter comb teeth and the fixed cutter comb teeth is convenient to control, and the movable cutter blade is prevented from extending out of the fixed cutter blade to scratch the skin;

2. the guide mechanism is fixed on the shell and pressed at the front end of the movable cutter frame, so that the movable cutter frame can be limited from floating, and the gap between the movable cutter blade and the fixed cutter blade is kept unchanged so as to improve the stability of the electric hair cutter in use;

3. the spring gasket is arranged at the front end of the shell, so that the shell can be prevented from being worn by the double-head torsion spring.

Drawings

FIG. 1 is a first exploded view of the electric hair clipper of the present embodiment;

FIG. 2 is an exploded view of the electric hair clipper of the present embodiment;

FIG. 3 is a first exploded view of the tool bit structure in the present embodiment;

FIG. 4 is a second exploded view of the tool bit structure in this embodiment;

fig. 5 is an enlarged schematic view of a portion a of fig. 2.

In the figure, 1, a tool bit structure; 11. fixing a blade; 12. a movable blade; 13. a movable knife rest; 131. a first abutting surface; 132. a second abutting surface; 133. a convex edge; 134. a spring positioning slot; 135. a limiting block; 136. a guide block; 137. mounting grooves; 14. a guide mechanism; 141. an opening; 142. a guide groove; 15. a double-ended torsion spring; 2. a housing; 3. a drive motor; 31. an eccentric shaft; 4. a spring washer.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

An electric hair clipper with a cutter head structure 1, as shown in fig. 1-5, comprises a cutter head structure 1, a housing 2 connected with the cutter head structure 1, and a driving motor 3 arranged in the housing 2.

The cutter head structure 1 comprises a fixed blade 11, a movable blade 12, a movable cutter holder 13 fixedly connected with the movable blade 12 and a hollow guide mechanism 14 for limiting the motion trail of the movable cutter holder 13, wherein the front ends of the fixed blade 11 and the movable blade 12 are provided with corresponding scissors comb teeth, the movable blade 12 is stacked above the fixed blade 11, the movable cutter holder 13 is arranged above the movable blade 12, the front end of the movable cutter holder 13 is provided with a first abutting surface 131 abutting against the inner wall of the front side of the guide mechanism 14, the rear end of the movable cutter holder 13 is provided with a second abutting surface 132 abutting against the inner wall of the rear side of the guide mechanism 14, and the movable cutter holder 13 makes linear reciprocating motion in the guide mechanism 14, so that the movable blade 12 is driven to make linear reciprocating motion along the fixed blade 11.

The front end of the driving motor 3 is provided with an eccentric shaft 31, the movable knife rest 13 of the knife head structure 1 is provided with a mounting groove 137, the eccentric shaft 31 is inserted into the mounting groove 137, and the driving motor 3 drives the movable knife rest 13 of the knife head structure 1 to make linear reciprocating motion in the guide mechanism 14. The front end bottom of the movable knife rest 13 extends forwards along the fixed blade 11 to form a convex edge 133, the convex edge 133 is positioned at the bottom of the guide mechanism 14, the guide mechanism 14 limits the floating of the movable knife rest 13, and the stability of the knife head structure 1 in use is improved. Preferably, the guide mechanism 14 has guide grooves 142 formed on the left and right sides thereof, the movable blade holder 13 has guide blocks 136 thereon, and the guide blocks 136 can partially move out of the guide mechanism 14 along the guide grooves 142.

Be equipped with the spring installation cavity in the guiding mechanism 14, seted up spring positioning slot 134 on the knife rest 13, the middle part of double-end torsional spring 15 is located the spring installation cavity, and the both ends of double-end torsional spring 15 are located two spring positioning slot 134 respectively. Preferably, the two spring positioning slots 134 are symmetrically arranged. The distance between the double-end torsion spring 15 and the inner walls of the two sides of the guide mechanism 14 is the maximum distance that the movable blade 12 and the movable blade holder 13 can reciprocate along the guide mechanism 14. The spring positioning slot 134 has a limiting block 135 extending upward from the end of the double-ended torsion spring 15, and the guide mechanism 14 has an opening 141 at both sides corresponding to the limiting block 135, and the limiting block 135 can partially move into the opening 141 along the guide mechanism 14. Specifically, stationary blade 11, guiding mechanism 14 all with casing 2 fixed connection, the front end of casing 2 still is equipped with spring shim 4, constitutes the spring installation cavity with guiding mechanism 14 cooperation, and spring shim 4 supports in the mid portion of two-way spring, can avoid double-end torsional spring 15 wearing and tearing casing 2.

Compared with the prior art, the cutter head mechanism and the electric hair clipper with the same have the advantages that the guide mechanism 14 is arranged to limit the movable cutter frame 13 to do linear reciprocating motion only, so that the movable cutter 12 is driven to change arc motion into reciprocating linear motion, the distance between the movable cutter comb teeth and the fixed cutter comb teeth is convenient to control, and the movable cutter 12 is prevented from extending out of the fixed cutter 11 to scratch the skin; the guide mechanism 14 is fixed on the housing 2 and pressed on the front end of the movable blade holder 13, so that the movable blade holder 13 can be limited from floating, and the gap between the movable blade 12 and the fixed blade 11 can be kept unchanged to improve the stability of the electric hair cutter in use.

Although the preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tool bit structure, includes stationary blade (11) and moving blade (12), the front end of stationary blade (11) and moving blade (12) is provided with corresponding scissors broach, its characterized in that: the device also comprises a movable knife rest (13) fixedly connected with the movable knife blade (12) and a hollow guide mechanism (14) for limiting the motion trail of the movable knife rest (13);

the movable blade (12) is stacked above the fixed blade (11), the movable blade holder (13) is arranged above the movable blade (12), a first abutting surface (131) abutting against the inner wall of the front side of the guide mechanism (14) is arranged at the front end of the movable blade holder (13), a second abutting surface (132) abutting against the inner wall of the rear side of the guide mechanism (14) is arranged at the rear end of the movable blade holder (13), and the movable blade holder (13) is linearly reciprocated in the guide mechanism (14) so as to drive the movable blade (12) to move along the fixed blade (11) in a linear reciprocating manner.

2. The cutter head structure of claim 1 wherein: the bottom of the front end of the movable knife rest (13) extends forwards along the fixed blade (11) to form a convex edge (133), the convex edge (133) is positioned at the bottom of the guide mechanism (14), and the guide mechanism (14) limits the floating of the movable knife rest (13).

3. The cutter head structure of claim 1 wherein: be equipped with the spring mounting chamber that is used for installing double-end torsional spring (15) in guiding mechanism (14), move and seted up spring positioning groove (134) on tool rest (13), the middle part of double-end torsional spring (15) is located the spring mounting intracavity, and the both ends of double-end torsional spring (15) are located two spring positioning grooves (134) respectively.

4. The cutter head structure of claim 3 wherein: the two sides of the spring positioning groove (134) extend upwards to form a limiting block (135) at the end positions of the two ends of the double-end torsion spring (15), openings (141) matched with the limiting blocks (135) are formed in the two sides of the guide mechanism (14), and the limiting blocks (135) can move into the openings (141) along the guide mechanism (14).

5. The cutter head structure of claim 3 wherein: the distance between the double-end torsion spring (15) and the inner walls of the two sides of the guide mechanism (14) is the maximum distance that the movable blade (12) and the movable knife rest (13) can move along the reciprocating linear motion of the guide mechanism (14).

6. The cutter head structure of claim 3 wherein: the two spring positioning grooves (134) are symmetrically arranged.

7. The cutter head structure of claim 1 wherein: the left side and the right side of the guide mechanism (14) are provided with guide grooves (142) which are oppositely arranged, the movable knife rest (13) is provided with a guide block (136), and the guide block (136) can partially move out of the guide mechanism (14) along the guide grooves (142).

8. An electric hair clipper with a cutter head structure, characterized in that: comprising a bit structure as claimed in any one of claims 1-7.

9. The electric clipper with a blade configuration as set forth in claim 8, wherein: the electric hair clipper further comprises a shell (2) connected with the tool bit structure and a driving motor (3) arranged in the shell (2), wherein an eccentric shaft (31) is arranged at the front end of the driving motor (3), a mounting groove (137) is formed in the movable tool rest (13), and the eccentric shaft (31) is inserted into the mounting groove (137) and used for driving the movable tool rest (13) to do reciprocating motion.

10. The electric clipper with a blade configuration as set forth in claim 9, wherein: the fixed blade (11) and the guide mechanism (14) are fixedly connected with the shell (2), a spring gasket (4) is further arranged at the front end of the shell (2) and matched with the guide mechanism (14) to form the spring installation cavity, and the spring gasket (4) abuts against the middle part of the bidirectional spring.