CN215567132U

CN215567132U - Snap spring

Info

Publication number: CN215567132U
Application number: CN202121221891.5U
Authority: CN
Inventors: 叶骏绅; 缪鹏程
Original assignee: Suzhou Humeng Transmission Technology Co ltd
Current assignee: Suzhou Humeng Transmission Technology Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-01-18
Anticipated expiration: 2031-06-02

Abstract

The utility model relates to a snap spring, comprising: the clamp spring comprises a clamp spring body, wherein the clamp spring body comprises a plurality of first characteristic bodies and a plurality of second characteristic bodies, the first characteristic bodies and the second characteristic bodies are sequentially and alternately arranged, and the first characteristic bodies are inclined along the inner wall or the outer wall of the clamp spring body; and the buckle body is arranged at the tail end of the clamp spring body. After the clamp spring is installed, a gap is not formed between the bearing and the clamp spring by means of elastic deformation of the clamp spring material, so that the clamp spring can achieve a good fixing effect on the bearing, the installation hole of the clamp spring is located on the extension surface of the inclined surface, and a certain distance is formed between the installation hole and the bottom surface of the bearing, so that the clamp spring is not easy to slip off from a clamp spring clamp during installation, and installation is easier.

Description

Snap spring

Technical Field

The utility model relates to the technology of mechanical spare and accessory parts, in particular to a clamp spring.

Background

In mechanical product production assembly technical field, often involve the assembly to the jump ring, the jump ring is if the installation is not in place, especially the fortune work part precision requirement is higher, often influences whole mechanical product quality, the thickness of jump ring commonly used is 0.1 ~ 0.2mm less than jump ring groove width generally, consequently, after the jump ring installation, has certain clearance between jump ring and the bearing, the existence in this kind of clearance, though simple to operate, when the product uses, the jump ring supports and leans on the bearing, the bearing is installed on the assembly axle, there is the drunkenness problem in the axial of assembly axle in the bearing, therefore the fixed effect of bearing is unsatisfactory, can't guarantee assembly quality.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to solve the problems that a certain gap exists between the conventional clamp spring structure and the bearing, and the bearing moves along the axial direction of the assembly shaft, so that the clamp spring with a better fixing effect on the bearing is provided.

In order to solve the above technical problem, the present invention provides a latch spring, including:

the clamp spring comprises a clamp spring body, wherein the clamp spring body comprises a plurality of first characteristic bodies and a plurality of second characteristic bodies, the first characteristic bodies and the second characteristic bodies are sequentially and alternately arranged, and the first characteristic bodies are inclined along the inner wall or the outer wall of the clamp spring body;

and the buckle body is arranged at the tail end of the clamp spring body.

In an embodiment of the utility model, when the first feature body inclines along the inner wall or the outer wall of the clamp spring body, an included angle between an inclined plane where the first feature body is located and a horizontal plane is an acute angle.

In one embodiment of the utility model, the included angle between the inclined surface of the first characteristic body and the horizontal surface of the second characteristic body is 10-30 degrees.

In one embodiment of the utility model, the clamp spring body is C-shaped, and the cross-sectional widths of the clamp spring body are the same.

In one embodiment of the utility model, the clamp spring body is arranged on an assembly shaft, a bearing is arranged on the assembly shaft, the second characteristic body in the clamp spring body abuts against the bearing, a clamp spring groove is arranged on the assembly shaft, and the section of the clamp spring groove is in a right-angled trapezoid shape.

In one embodiment of the utility model, the first feature abuts against an inclined surface in a snap spring groove on the assembly shaft, and the second feature abuts against a bottom surface of the bearing.

In one embodiment of the utility model, an included angle formed between the inclined plane and the plane of the clamp spring groove is not larger than an inclined angle of the first feature body along the inner wall or the outer wall of the clamp spring body.

In one embodiment of the utility model, the buckle body is arranged on the first feature body at the extreme end of the clamp spring body.

In an embodiment of the utility model, when the first feature body inclines along the outer wall of the clamp spring body, the buckle body extends towards the outer wall of the clamp spring body.

In an embodiment of the utility model, when the first feature body inclines along the inner wall of the clamp spring body, the buckle body extends towards the inner wall of the clamp spring body.

Compared with the prior art, the technical scheme of the utility model has the following advantages: after the clamp spring is installed, a gap is not formed between the bearing and the clamp spring by means of elastic deformation of the clamp spring material, so that the clamp spring can achieve a good fixing effect on the bearing, the installation hole of the clamp spring is located on the extension surface of the inclined surface, and a certain distance is formed between the installation hole and the bottom surface of the bearing, so that the clamp spring is not easy to slip off from a clamp spring clamp during installation, and installation is easier.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference will now be made in detail to the present disclosure, examples of which are illustrated in the accompanying drawings.

FIG. 1 is a schematic view of a clamp spring center shaft;

FIG. 2 is a schematic side view of the shaft clamp spring;

FIG. 3 is an assembly view of the circlip and the bearing;

FIG. 4 is a front view of the shaft clamp spring;

fig. 5 is a schematic diagram of a circlip structure in a circlip hole.

As shown in the figure: 1. the clamp spring comprises a clamp spring body, 2, a buckle body, 3, a first characteristic body, 4, a second characteristic body, 5, a bearing, 6 and an assembly shaft.

Detailed Description

Example one

As shown in fig. 1 and fig. 2, the first embodiment provides a snap spring, which includes:

the clamp spring comprises a clamp spring body 1, wherein the clamp spring body 1 comprises a plurality of first characteristic bodies 3 and a plurality of second characteristic bodies 4, the first characteristic bodies 3 and the second characteristic bodies 4 are sequentially and alternately arranged, and the first characteristic bodies 3 are inclined along the outer wall of the clamp spring body 1;

and the buckle body 2 is arranged at the tail end of the clamp spring body 1.

In this embodiment, the clamp spring is a shaft clamp spring. After the shaft clamp spring is installed, the first characteristic bodies 3 and the second characteristic bodies 4 are sequentially and alternately arranged, the first characteristic bodies 3 are inclined along the outer wall of the clamp spring body 1, and after the shaft clamp spring is installed, no gap exists between the bearing and the shaft clamp spring, so that the shaft clamp spring can well fix the bearing.

In order to realize that no gap exists between the bearing and the shaft clamp spring, when the first characteristic body 3 inclines along the outer wall of the clamp spring body 1, an included angle between an inclined plane where the first characteristic body 3 is located and a horizontal plane is an acute angle. Specifically, when the included angle between the inclined plane of the first characteristic body 3 and the horizontal plane of the second characteristic body 4 is 10-30 degrees, no gap is formed between the bearing and the shaft clamp spring.

As shown in fig. 2 and 4, the clamp spring body 1 is C-shaped, and the cross-sectional widths of the clamp spring body 1 are the same, so that the clamp spring is beneficial to processing and manufacturing.

Further, the cross section of the clamp spring body 1 is rhombic or rectangular.

As shown in fig. 3, the clamp spring body 1 is installed on an assembly shaft 6, a bearing 5 is arranged on the assembly shaft 6, a second characteristic body 4 in the clamp spring body 1 abuts against the bearing 5, a clamp spring groove is arranged on the assembly shaft 6, and the section of the clamp spring groove is in a right trapezoid shape.

The first characteristic body 3 abuts against an inclined surface in a clamp spring groove in the assembly shaft 6, the second characteristic body 4 abuts against the bottom surface of the bearing 5, when the clamp spring is installed on the assembly shaft, the clamp spring extends along the inclined surface in the clamp spring groove, and the second characteristic body 4 does not have an inclined surface and is a plane body, so that the second characteristic body 4 abuts against the bottom surface of the bearing 5, and no gap exists between the bearing and the shaft clamp spring.

As a refinement, the number of the first feature bodies 3 and the second feature bodies 4 is not less than three.

In order to ensure that no gap exists between the clamp spring and the bearing 5, an included angle formed between an inclined plane and a plane of the clamp spring groove is not larger than an inclined angle of the first characteristic body 3 along the outer wall of the clamp spring body, and specifically, an included angle between the inclined plane and the plane of the clamp spring groove is equal to or slightly smaller than an included angle between the inclined plane of the first characteristic body 3 and a horizontal plane; in addition, the horizontal plane of the clamp spring groove is required to be ensured to be coincident with or slightly higher than the lower plane of the bearing; and the height of the ring surface of the clamp spring groove is slightly smaller than the thickness of the clamp spring.

The buckle body 2 is arranged on the first feature body 3 at the tail end of the clamp spring body 1.

When the first characteristic body 3 inclines along the outer wall of the clamp spring body, the buckling body 2 extends towards the outer wall of the clamp spring body, so that the clamp spring is fixed on the bearing through the buckling body 2.

Example two

As shown in fig. 5, the second embodiment provides a clamp spring, which includes:

the clamp spring comprises a clamp spring body 1, wherein the clamp spring body 1 comprises a plurality of first characteristic bodies 3 and a plurality of second characteristic bodies 4, the first characteristic bodies 3 and the second characteristic bodies 4 are sequentially and alternately arranged, and the first characteristic bodies 3 are inclined along the inner wall of the clamp spring body;

and the buckle body 2 is arranged at the tail end of the clamp spring body 1.

In this embodiment, the clamp spring is a hole clamp spring. After the hole clamp spring is installed, the first characteristic bodies 3 and the second characteristic bodies 4 are sequentially and alternately arranged, the first characteristic bodies 3 are inclined along the inner wall of the clamp spring body 1, and after the hole clamp spring is installed, no gap exists between the bearing and the hole clamp spring, so that the hole clamp spring can well fix the bearing.

When the first characteristic body 3 inclines along the inner wall of the clamp spring body 1, an included angle between an inclined plane where the first characteristic body 3 is located and a horizontal plane is an acute angle. Specifically, the included angle between the inclined plane of the first characteristic body 3 and the horizontal plane of the second characteristic body 4 is 10-30 degrees.

In addition, although the included angle ranges of the inclined surfaces in the hole clamp spring and the shaft clamp spring are the same, the punching tangential directions of the inclined surfaces are opposite.

The clamp spring body 1 is C-shaped, the cross-sectional widths of the clamp spring body 1 are the same, and further the cross-sectional shape of the clamp spring body 1 is rhombic or rectangular.

The hole clamp spring is arranged in the assembly hole, a bearing is arranged at the position of the inner diameter blocking shoulder in the assembly hole, the second characteristic body 4 in the clamp spring body 1 in the hole clamp spring is abutted against the bearing, a clamp spring groove is arranged in the assembly hole, and the section of the clamp spring groove is in a right trapezoid shape.

When the first characteristic body 3 inclines along the inner wall of the clamp spring body, the buckling body extends towards the inner wall of the clamp spring body.

The novel clamp spring has uniform thickness, and the structure and the repeated places of the embodiment are not discussed in detail. The clamp spring can be matched with the trapezoidal clamp spring groove in both the first embodiment and the second embodiment, and mass production and manufacturing of the clamp spring can be realized through a traditional stamping process, so that the clamp spring is suitable for popularization and application.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.

Claims

1. A circlip, comprising:

the clamp spring comprises a clamp spring body (1), wherein the clamp spring body (1) comprises a plurality of first characteristic bodies (3) and a plurality of second characteristic bodies (4), the first characteristic bodies (3) and the second characteristic bodies (4) are sequentially and alternately arranged, and the first characteristic bodies (3) are inclined along the inner wall or the outer wall of the clamp spring body;

and the buckle body (2) is arranged at the tail end of the clamp spring body (1).

2. The circlip of claim 1, wherein: when the first characteristic body (3) inclines along the inner wall or the outer wall of the clamp spring body, an included angle between an inclined plane where the first characteristic body (3) is located and a horizontal plane is an acute angle.

3. The circlip of claim 2, wherein: the included angle between the inclined plane where the first characteristic body (3) is located and the horizontal plane where the second characteristic body (4) is located is 10-30 degrees.

4. The circlip of claim 1, wherein: the clamp spring body (1) is C-shaped, and the cross-section widths of the clamp spring body (1) are the same.

5. The circlip of claim 1, wherein: the clamp spring is characterized in that the clamp spring body (1) is installed on an assembly shaft (6), a bearing (5) is arranged on the assembly shaft (6), a second characteristic body (4) in the clamp spring body (1) is abutted against the bearing (5), a clamp spring groove is formed in the assembly shaft (6), and the section of the clamp spring groove is in a right trapezoid shape.

6. The circlip of claim 5, wherein: the first characteristic body (3) abuts against an inclined surface in a clamp spring groove on the assembling shaft (6), and the second characteristic body (4) abuts against the bottom surface of the bearing (5).

7. The circlip of claim 5, wherein: an included angle formed between the inclined plane and the plane of the clamp spring groove is not larger than the inclined angle of the first characteristic body (3) along the inner wall or the outer wall of the clamp spring body.

8. The circlip of claim 1, wherein: the buckle body (2) is arranged on the first feature body (3) at the tail end of the clamp spring body (1).

9. A circlip as claimed in claim 1 or 8 wherein: when the first characteristic body (3) inclines along the outer wall of the clamp spring body, the buckle body (2) extends towards the outer wall of the clamp spring body.

10. A circlip as claimed in claim 1 or 8 wherein: when the first characteristic body (3) inclines along the inner wall of the clamp spring body, the buckle body (2) extends towards the inner wall of the clamp spring body.