CN219190290U

CN219190290U - Torsional spring with compensation function and electric hair clipper head

Info

Publication number: CN219190290U
Application number: CN202320008980.4U
Authority: CN
Inventors: 吴昊泽
Original assignee: Ningbo Iclipper Electric Appliance Co Ltd
Current assignee: Ningbo Iclipper Electric Appliance Co Ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-06-16
Anticipated expiration: 2033-01-04

Abstract

The utility model discloses a torsion spring with a compensation function and an electric hair clipper head, which comprise a spiral body part and extension feet connected with two ends of the spiral body part, wherein the extension feet are biased towards the middle by an angle of a relative to the other side of the spiral body part, the angle of a is more than or equal to 5 degrees and less than or equal to 20 degrees, and the height between the tooth parts of a movable blade and the tooth parts of a fixed blade is always consistent when the movable blade runs relative to the fixed blade through improving the structure of the torsion spring.

Description

Torsional spring with compensation function and electric hair clipper head

Technical Field

The utility model relates to the technical field of elastic parts, in particular to a torsion spring with a compensation function and an electric hair clipper head.

Background

The existing electric hair clipper head comprises a fixed cutter frame, a movable cutter frame, a fixed cutter blade, a movable cutter blade and a torsion spring, wherein the fixed cutter blade is fixedly arranged on the fixed cutter frame, the movable cutter blade is fixedly arranged on the movable cutter frame, the torsion spring is fixedly arranged on a bottom shell at the front end of the electric hair clipper or the fixed cutter frame, two ends of the torsion spring act on the movable cutter frame or the movable cutter blade so as to enable the movable cutter blade to be attached to the fixed cutter blade, and a motor of the electric hair clipper drives the movable cutter blade to reciprocate relative to the fixed cutter blade through an eccentric mechanism.

The torsion spring comprises a spiral body part and extension feet connected to two ends of the spiral body part, the existing extension feet are designed to be vertically arranged, when the motor drives the movable blade to reciprocate relative to the fixed blade through the eccentric mechanism, the moving track of the movable blade is fan-shaped, the height between the tooth part of the movable blade of the electric hair clipper and the tooth part of the fixed blade cannot be kept consistent, specifically, the height between the tooth part of the fixed blade and the tooth part of the movable blade when the movable blade moves to two sides of the fixed blade is A, the height B between the tooth part of the fixed blade and the tooth part of the movable blade when the movable blade moves to the middle part of the fixed blade is greater than B, and then the height between the tooth part of the movable blade and the tooth part of the fixed blade cannot be kept consistent when the movable blade moves.

Disclosure of Invention

The utility model aims to provide a torsion spring with a compensation function and an electric hair clipper head, and the structure of the torsion spring is improved so that the height between the tooth part of a movable blade and the tooth part of a fixed blade is always consistent when the movable blade runs relative to the fixed blade.

The technical aim of the utility model is realized by the following technical scheme: a torsion spring with compensation function comprises a spiral body part and extension legs connected to two ends of the spiral body part, wherein the extension legs are biased towards the middle by an angle of a relative to the other side of the spiral body part, and a is more than or equal to 5 degrees and less than or equal to 20 degrees.

Further, the extending leg at least comprises a connecting section and a biasing section, one end of the connecting section is connected with the spiral body part, the other end of the connecting section and the biasing section are integrally formed, and the biasing section is biased towards the middle by an angle of a relative to the connecting section.

Further, the other end of the biasing section opposite to the connecting section is provided with a bending section.

Further, the included angle between the bending section and the connecting section is b, wherein b is more than or equal to 90 degrees and less than or equal to 135 degrees.

Further, the spiral body portion includes spiral portion and connecting portion, the connecting portion is the U type setting, the spiral portion is provided with two sets of and symmetry setting in the both ends of connecting portion, extend the foot and connect in the spiral portion for the other end of connecting portion.

The utility model provides an electric hair clipper head, includes stationary knife rest, moves knife rest, stationary blade, moves the blade and foretell torsional spring, stationary blade fixed mounting in stationary knife rest, move blade fixed mounting in or press in moving the knife rest, torsional spring fixed mounting in electric hair clipper front end drain pan or stationary knife rest, the extension foot at torsional spring both ends acts on and moves knife rest or moves the blade so that move the blade laminating in stationary blade.

Further, the two ends of the movable tool rest are provided with jacks, the extension feet of the torsion spring comprise connecting sections, bias sections and bending sections which are connected in sequence, the aperture of each jack is matched with the corresponding bending section, and each bending section is inserted into each jack in a positioning mode.

Further, the movable tool rest is provided with a limiting part, the movable blade is provided with a limiting groove in limiting fit with the limiting part, the movable tool rest and the movable blade are in positioning fit with each other through the limiting part and the limiting groove to limit the movable tool rest and the movable blade along the direction perpendicular to the insertion direction, and the movable tool rest and the movable blade are limited along the insertion direction through the elastic force of the torsion spring.

In summary, the utility model has the following beneficial effects:

according to the torsion spring and the electric hair clipper head, the structure of the torsion spring is improved, so that the height between the tooth parts of the movable blade and the tooth parts of the fixed blade is always consistent when the movable blade runs relative to the fixed blade.

Drawings

Fig. 1 is a schematic view of a torsion spring of the prior art.

Fig. 2 is a schematic view of the structure of the first view angle of the present utility model.

Fig. 3 is a schematic structural view of the second view of the present utility model.

Fig. 4 is a schematic structural view of the third view of the present utility model.

Fig. 5 is a schematic view of an electric hair clipper head of the present utility model.

Fig. 6 is an exploded view of the head of the electric clipper of the present utility model.

Fig. 7 is a schematic view of the structure of the movable blade carrier of the present utility model.

In the figure: 1. a torsion spring; 11. a spiral body portion; 111. a spiral part; 112. a connection part; 12. an extension foot; 121. a connection section; 122. a bias section; 123. bending sections; 2. a fixed tool rest; 3. a movable tool rest; 31. a jack; 32. a limit part; 4. a fixed blade; 5. a movable blade; 51. and a limit groove.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 to 7, a torsion spring with compensation function comprises a spiral body 11 and extension legs 12 connected to two ends of the spiral body 11, wherein the extension legs 12 are biased towards the middle by an angle a with respect to the other side of the spiral body 11, wherein an angle a is more than or equal to 5 degrees and less than or equal to 20 degrees, further, the extension legs 12 at least comprise a connecting section 121 and a biasing section 122, for example, a transition section can be arranged between the connecting section 121 and the biasing section 122, the connecting section 121 and the biasing section 122 are connected through a transition Duan Shunlian, one end of the connecting section 121 is connected with the spiral body 11, the other end of the connecting section 121 and the biasing section 122 are integrally formed, the biasing section 122 is biased towards the middle by an angle a with respect to the connecting section 121, and the connecting section 121 is vertically arranged in the utility model.

In some embodiments, the other end of the biasing section 122 opposite to the connecting section 121 is provided with a bending section 123, and the bending section 123 is used for being inserted into the insertion hole 31 of the movable tool rest 3 and in limit fit with the movable tool rest 3.

In some embodiments, the angle between the bending section 123 and the connecting section 121 is b, wherein 90.ltoreq.b.ltoreq.135 °.

In some embodiments, the spiral body 11 includes a spiral portion 111 and a connection portion 112, the connection portion 112 is in a U-shaped configuration, the spiral portion 111 is provided with two groups and symmetrically disposed at two ends of the connection portion 112, the extension leg 12 is connected to the other end of the spiral portion 111 opposite to the connection portion 112, and the connection portion 112 may be used as a pressing section for pressing.

The utility model provides an electric hair clipper head, including fixed knife rest 2, move knife rest 3, fixed blade 4, move blade 5 and above-mentioned torsional spring 1, fixed blade 4 fixed mounting is in fixed knife rest 2, move blade 5 fixed mounting in or press in moving knife rest 3, torsional spring 1 fixed mounting is in electric hair clipper front end drain pan or fixed knife rest 2, the extension foot 12 at torsional spring 1 both ends acts on and moves knife rest 3 or move blade 5 in order to make and move blade 5 laminating in fixed blade 4, the motor of electric hair clipper drives through eccentric mechanism and moves knife rest 3 and move blade 5 for fixed blade 4 reciprocating motion.

By improving the structure of the torsion spring 1 so that the height between the teeth of the movable blade 5 and the teeth of the fixed blade 4 always keeps consistent when the movable blade 5 moves relative to the fixed blade 4, for example, when the eccentric mechanism drives the movable blade 5 to move leftwards or rightwards relative to the fixed blade 4, the stroke of the movable blade 5 moving outwards from the middle is Xmm, when the conventional torsion spring 1 is applied to an electric hair clipper head, the movable blade 5 moves by Xmm, the torsion spring 1 can bias outwards by an angle c DEG, at the moment, the height difference between the teeth of the movable blade 5 and the teeth of the fixed blade 4 is Ymm, when the torsion spring 1 is applied to the electric hair clipper head, the movable blade 5 moves by Xmm, the torsion spring 1 can be straightened firstly, and then the angle c DEG to a DEG is the angle of the other side of the extension leg 12 biased towards the middle relative to the spiral body part 11, at the moment, the height difference between the teeth of the movable blade 5 and the teeth of the fixed blade 4 is Zmm, the Z is greatly smaller than Y, and the Z is basically in a height difference from the middle position of the movable blade 4 when the movable blade 4 is in a compensating effect.

In some embodiments, the two ends of the movable blade carrier 3 are provided with insertion holes 31, the extension leg 12 of the torsion spring 1 includes a connecting section 121, a biasing section 122 and a bending section 123 which are sequentially connected, the aperture of the insertion holes 31 is matched with the aperture of the bending section 123, and the bending section 123 is positioned and inserted into the insertion holes 31, so that the positioning function is achieved to prevent the movable blade carrier 3 from being separated from the torsion spring 1 when moving.

In some embodiments, the movable cutter frame 3 is provided with a limiting part 32, the movable cutter blade 5 is provided with a limiting groove 51 in limiting fit with the limiting part 32, the movable cutter frame 3 and the movable cutter blade 5 are limited in the direction perpendicular to the insertion direction by positioning fit of the limiting part 32 and the limiting groove 51, and the movable cutter frame 3 and the movable cutter blade 5 are limited in the insertion direction by the elastic force of the torsion spring 1.

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

1. The utility model provides a torsional spring with compensation function, includes spiral body portion (11) and connects extension foot (12) at spiral body portion (11) both ends, its characterized in that: the extension leg (12) is biased towards the other side of the spiral body portion (11) towards the middle by an angle a DEG, wherein a DEG is more than or equal to 5 DEG and less than or equal to 20 deg.

2. A torsion spring with compensation function according to claim 1, wherein: the extending leg (12) at least comprises a connecting section (121) and a biasing section (122), one end of the connecting section (121) is connected with the spiral body part (11), the other end of the connecting section (121) and the biasing section (122) are integrally formed, and the biasing section (122) is biased towards the middle by an angle of a relative to the connecting section (121).

3. A torsion spring with compensation function according to claim 2, wherein: the other end of the biasing section (122) opposite to the connecting section (121) is provided with a bending section (123).

4. A torsion spring with compensation function according to claim 3, wherein: the included angle between the bending section (123) and the connecting section (121) is b, wherein b is more than or equal to 90 degrees and less than or equal to 135 degrees.

5. A torsion spring with compensation function according to claim 1, wherein: the spiral body part (11) comprises a spiral part (111) and a connecting part (112), the connecting part (112) is in U-shaped arrangement, the spiral part (111) is provided with two groups and symmetrically arranged at two ends of the connecting part (112), and the extension pin (12) is connected to the other end of the spiral part (111) opposite to the connecting part (112).

6. An electric hair clipper head, characterized in that: the electric hair clipper comprises a fixed cutter frame (2), a movable cutter frame (3), a fixed cutter blade (4), a movable cutter blade (5) and the torsion spring (1) as set forth in any one of claims 1-5, wherein the fixed cutter blade (4) is fixedly arranged on the fixed cutter blade frame (2), the movable cutter blade (5) is fixedly arranged on or pressed against the movable cutter frame (3), the torsion spring (1) is fixedly arranged on a bottom shell at the front end of the electric hair clipper or the fixed cutter blade (2), and extension feet (12) at two ends of the torsion spring (1) act on the movable cutter frame (3) or the movable cutter blade (5) to enable the movable cutter blade (5) to be attached to the fixed cutter blade (4).

7. An electric hair clipper head according to claim 6, wherein: the two ends of the movable tool rest (3) are provided with inserting holes (31), the extension pins (12) of the torsion spring (1) comprise connecting sections (121), bias sections (122) and bending sections (123) which are connected in sequence, the aperture of the inserting holes (31) is matched with the bending sections (123), and the bending sections (123) are positioned and inserted into the inserting holes (31).

8. An electric hair clipper head according to claim 6, wherein: the movable tool rest (3) is provided with a limiting part (32), the movable tool rest (5) is provided with a limiting groove (51) in limiting fit with the limiting part (32), the movable tool rest (3) and the movable tool rest (5) are in positioning fit with the limiting groove (51) along the direction perpendicular to the insertion direction, and the movable tool rest (3) and the movable tool rest (5) are limited along the insertion direction through the elastic force of the torsion spring (1).