CN211624036U

CN211624036U - Plane volute spiral spring

Info

Publication number: CN211624036U
Application number: CN201922266925.1U
Authority: CN
Inventors: 谢哲生; 张秋; 张扬胤; 谢鹏
Original assignee: Yangzhou Xihu Cylindrical Spring Factory
Current assignee: Yangzhou Xihu Cylindrical Spring Factory
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-10-02
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a flat spiral spring, including spring body, first built-in spring and second built-in spring, this internal shaping of spring has first clearance, be provided with in the first clearance first built-in spring, first built-in spring with the spring body passes through bolted connection, first clearance one side is provided with the second clearance, the second clearance shaping in on the spring body, be provided with in the second clearance second built-in spring. Has the advantages that: the utility model discloses a set up first built-in spring and second built-in spring, and elasticity between them risees in proper order, can make the moment of torsion on the spring inner circle wall be greater than the moment of torsion on the outer circle wall, increase the release dynamics of spring moment of torsion, and then make the even effect of moment of torsion on the object, improve spring practicality and effect, through setting up the abrasion pad, the wear resistance of multiplicable ear hook makes it not worn and torn, improves spring life and security.

Description

Plane volute spiral spring

Technical Field

The utility model relates to a spring technical field, concretely relates to plane spiral spring.

Background

A flat spiral spring, also known as a clockwork spring, is a spring with one end fixed and the other end acted with torque; under the action of torque, the spring material generates bending elastic deformation, so that the spring generates torsion in a plane, and the size of a deformation angle is in direct proportion to the torque.

Current flat spiral spring is releasing the moment of torsion by the elasticity of self, and because there is the clearance by itself, causes the moment of torsion can not be even to act on the object, reduces the practicality and the working effect of spring, and in addition, current flat spiral spring is in the use, and there is frictional force at the position of ear hook and object contact, leads to ear hook wearing and tearing, and then leads to the object to drop, reduces spring life and security easily.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, a plane volute spiral spring is proposed at present, the problem of current plane volute spiral spring releasing the moment of torsion by the elasticity of self is solved, and because there is the clearance by self, cause the moment of torsion can not even effect on the object, reduce the practicality and the working effect of spring, and current plane volute spiral spring is in the use, there is frictional force at the position of ear hook and object contact, lead to ear hook wearing and tearing, and then lead to the object to drop, reduce the problem of spring life and security easily.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a flat spiral spring, including spring body, first built-in spring and the built-in spring of second, this internal shaping of spring has first clearance, be provided with in the first clearance first built-in spring, first built-in spring with the spring body passes through bolted connection, first clearance one side is provided with the second clearance, the second clearance shaping in on the spring body, be provided with in the second clearance second built-in spring, second built-in spring with the spring body passes through bolted connection, first built-in spring with the elasticity of second built-in spring risees in proper order.

Furthermore, a first ear hook is formed on the inner side of the spring body, and a second ear hook is formed on the outer side of the spring body.

By adopting the technical scheme, the first ear hook can fix the spring body, and the second ear hook can fix an object to be acted on the spring body.

Furthermore, first ear hook with all be provided with the wear pad on the second ear hook, the wear pad with first ear hook and second ear hook all passes through the screw connection.

Through adopting above-mentioned technical scheme, the wearing pad multiplicable first ear hook and the wear resistance of second ear hook makes it not worn and torn, increases spring body life and security.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1. in order to solve the problems that the prior flat spiral spring releases the torque by the elasticity of the flat spiral spring and the torque can not be uniformly acted on an object due to the gap of the flat spiral spring, thereby reducing the practicability and the working effect of the spring, the utility model discloses a first built-in spring and a second built-in spring are arranged, and the elasticity of the first built-in spring and the second built-in spring is sequentially increased, so that the torque on the inner ring wall of the spring is larger than the torque on the outer ring wall, the releasing force of the spring torque is increased, and the torque is uniformly acted on the object, thereby improving the practicability and the action effect of the spring;

2. for solving current flat spiral spring in the use, there is frictional force at the position of ear hook and object contact, leads to ear hook wearing and tearing, and then leads to the object to drop, reduces spring life and security easily, the utility model discloses a set up the abrasion pad, the wear resistance of multiplicable ear hook makes it not worn and torn, improves spring life and security.

Drawings

Fig. 1 is a schematic structural view of a flat spiral spring according to the present invention;

fig. 2 is a cross-sectional view of a second ear hook of a flat spiral spring according to the present invention.

The reference numerals are explained below:

1. a first gap; 2. a second gap; 3. a first built-in spring; 4. a spring body; 5. a second ear hook; 6. a second innerspring; 7. a first ear hook; 8. a wear pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-2, a flat spiral spring in this embodiment includes a spring body 4, a first built-in spring 3 and a second built-in spring 6, a first gap 1 is formed in the spring body 4, the first built-in spring 3 is disposed in the first gap 1, the first built-in spring 3 is connected to the spring body 4 by a bolt, a second gap 2 is disposed at one side of the first gap 1, the second gap 2 is formed on the spring body 4, the second built-in spring 6 is disposed in the second gap 2, the second built-in spring 6 is connected to the spring body 4 by a bolt, the elasticity of the first built-in spring 3 and the elasticity of the second built-in spring 6 are sequentially increased, a first ear hook 7 is formed at the inner side of the spring body 4, a second ear hook 5 is formed at the outer side of the spring body 4, the first ear hook 7 can fix the spring body 4, the second ear hook 5 can fix an object to be acted on the spring body 4, all be provided with wear pad 8 on first ear hook 7 and the second ear hook 5, wear pad 8 all passes through the screw connection with first ear hook 7 and second ear hook 5, and wear pad 8 multiplicable first ear hook 7 and the wear resistance of second ear hook 5 make it not worn and torn, increase spring body 4 life and security.

As shown in fig. 1, in this embodiment, a first gap 1 is formed in a spring body 4, a first built-in spring 3 is disposed in the first gap 1, a second gap 2 is disposed on one side of the first gap 1, the second gap 2 is formed on the spring body 4, a second built-in spring 6 is disposed in the second gap 2, and the elasticity of the first built-in spring 3 and the elasticity of the second built-in spring 6 are sequentially increased, so that the torque on the inner ring wall of the spring is greater than the torque on the outer ring wall, the releasing force of the spring torque is increased, the torque is further uniformly applied to an object, and the practicability and the acting effect of the spring are improved.

As shown in fig. 1-2, in this embodiment, the outer walls of the first ear hook 7 and the second ear hook 5 are both provided with a wear pad 8, the wear pad 8 is connected to the first ear hook 7 and the second ear hook 5 by falling to the ground, and the wear pad 8 can increase the wear resistance of the first ear hook 7 and the second ear hook 5, so that the first ear hook 7 and the second ear hook 5 are not worn, and the service life and the safety of the spring body 4 are increased.

The specific implementation process of this embodiment is as follows: at first, spring body 4 is fixed through first ear hook 7, second ear hook 5 will treat the effect object to fix on spring body 4, the spring is at the during operation, because be provided with first built-in spring 3 in the first clearance 1, be provided with second built-in spring 6 in the second clearance 2, and the elasticity of first built-in spring 3 and second built-in spring 6 risees in proper order, can make moment of torsion on the spring inner circle wall be greater than the moment of torsion on the outer circle wall, increase the release dynamics of spring moment of torsion, and then make the even effect of moment of torsion on the object, improve spring practicality and effect, simultaneously wear pad 8 multiplicable first ear hook 7 and the wear resistance of second ear hook 5, make it not worn and torn, increase spring body 4 life and security.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. A flat spiral spring, comprising: the spring comprises a spring body (4), a first built-in spring (3) and a second built-in spring (6), wherein a first gap (1) is formed in the spring body (4), the first built-in spring (3) is arranged in the first gap (1), the first built-in spring (3) is connected with the spring body (4) through bolts, a second gap (2) is arranged on one side of the first gap (1), the second gap (2) is formed on the spring body (4), the second built-in spring (6) is arranged in the second gap (2), the second built-in spring (6) is connected with the spring body (4) through bolts, and the elasticity of the first built-in spring (3) and the second built-in spring (6) rises in sequence.

2. A flat spiral spring as claimed in claim 1, wherein: the spring is characterized in that a first ear hook (7) is formed on the inner side of the spring body (4), and a second ear hook (5) is formed on the outer side of the spring body (4).

3. A flat spiral spring as claimed in claim 2, wherein: first ear hook (7) with all be provided with wear pad (8) on second ear hook (5), wear pad (8) with first ear hook (7) and second ear hook (5) all are through bolted connection.