CN215370715U

CN215370715U - Long-life wave spring

Info

Publication number: CN215370715U
Application number: CN202121634782.6U
Authority: CN
Inventors: 练厚兵
Original assignee: Yangzhou Shenglin Spring Hardware Co ltd
Current assignee: Yangzhou Shenglin Spring Hardware Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-12-31
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a long-life wave spring which comprises a wave spring body, wherein the wave spring body comprises wave crests and wave troughs, gaps are formed between the wave crests and the wave troughs of the adjacent wave spring bodies, open grooves are formed in the inner surfaces of the wave crests and the wave troughs corresponding to the gaps, one ends of the open grooves are provided with grooves, and spring pieces are arranged between the open grooves corresponding to the wave crests and the wave troughs in a crossed mode. Be provided with the spring leaf of 2 cross arrangement between this high life wave spring's crest and trough, when ripples spring body atress, a part of component can be used in on the spring leaf of 2 cross arrangement, ripples spring body compression, the spring leaf compression, the ripples spring body kick-backs, the spring leaf kick-backs, this wave spring's intensity has been improved greatly, be difficult to warp, and make this wave spring be difficult to fatigue moreover, can resume the former state fast, elasticity can not disappear, improves life greatly.

Description

Long-life wave spring

Technical Field

The utility model belongs to the field of springs, and particularly relates to a long-life wave spring.

Background

The wave spring is an elastic element with a plurality of peaks and valleys on a metal thin circular ring. The method is generally applied to occasions that the load and the deformation are not large, the spring stiffness is required to be small, and the axial pre-pressure is required to be applied. The wave spring is particularly suitable for applications requiring weight reduction and applications limited by small installation space, and typical application fields thereof include: aerospace, precision machinery, hydraulic seal, high-end motor and the like, the wave spring in the prior art is frequently used and is easy to deform, so that the wave spring is easy to fatigue and cannot recover the original shape, the elasticity disappears, and the service life is greatly reduced.

Disclosure of Invention

In view of the above problems in the prior art, the present invention provides a long-life wave spring to solve the problems of fatigue and short service life of the conventional wave spring.

In order to solve the technical problems, the utility model adopts the technical scheme that:

the utility model provides a long-life wave spring, includes the wave spring body, the wave spring body includes crest and trough, and constitutes the space between crest and the trough of adjacent wave spring body, corresponding crest in space and trough internal surface all are provided with the open slot, and the one end of open slot is provided with the recess, alternately be provided with the spring leaf between the corresponding open slot of crest and trough.

Furthermore, 2 open grooves are formed in the wave crests and the wave troughs, the open grooves in the same surface are arranged in a staggered mode, and the open grooves in the wave crests correspond to the open grooves in the wave troughs.

Furthermore, the spring piece comprises a middle section, an upper section and a lower section, wherein the middle section, the upper section and the lower section are designed integrally, and the upper section and the lower section are arc-shaped.

Furthermore, the inner lower end face of the open slot and the inner lower end face of the groove are located on the same plane, the inner lower end face of the open slot and the inner lower end face of the groove are arc-shaped, and the radian is consistent with that of the wave crest and the wave trough.

Furthermore, the radians of the upper section and the lower section are consistent with the radians of the lower end surface in the open slot and the lower end surface in the groove.

Furthermore, the opening length of the open slot is smaller than the length of the upper section and the length of the lower section, and the length of the upper section and the length of the lower section are smaller than the whole length of the open slot and the whole length of the groove.

Has the advantages that: compared with the prior art, the method has the following advantages:

be provided with the spring leaf of 2 cross arrangement between this high life wave spring's crest and trough, when ripples spring body atress, a part of component can be used in on the spring leaf of 2 cross arrangement, ripples spring body compression, the spring leaf compression, the ripples spring body kick-backs, the spring leaf kick-backs, this wave spring's intensity has been improved greatly, be difficult to warp, and make this wave spring be difficult to fatigue moreover, can resume the former state fast, elasticity can not disappear, improves life greatly.

Drawings

FIG. 1 is a schematic view of a high life wave spring configuration;

FIG. 2 is a partial schematic view of a high life wave spring;

fig. 3 is a top view of a partial structure of a long-life wave spring.

Detailed Description

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

As shown in fig. 1, 2 and 3, the long-life wave spring of the present application includes a wave spring body 1, the wave spring includes a plurality of wave spring bodies 1, each wave spring body 1 includes a wave crest 2 and a wave trough 3, a gap 10 is formed between the wave crest 2 and the wave trough 3 of adjacent wave spring bodies 1, open slots 8 are respectively disposed on inner surfaces of the wave crest 2 and the wave trough 3 corresponding to the gap 10, spring pieces 4 are alternately disposed between the open slots 8 corresponding to the wave crests 2 and the wave troughs 3, 4 open slots 8 are disposed on the corresponding wave crests 2 and wave troughs 3, corresponding to each other, it is ensured that the "Z" -shaped spring pieces 4 can be embedded in the open slots 8, and 2 interlaced spring pieces 4 are disposed on the 4 open slots 8, and one end of the open slot 8 is disposed with a groove 9, one end of the spring piece 4 is located in the groove 9, but the top end of the spring piece 4 is a certain distance away from the innermost end of the groove 9, on one hand, the spring plate 4 is prevented from falling off from the opening groove 8, and on the other hand, when the stress of the spring plate 4 changes, the groove 9 can meet the change of the spring plate 4.

All be provided with 2 open slots 8 on crest 2 and the trough 3, and the crisscross setting of open slot 8 on same surface, open slot 8 on crest 2 is corresponding with the open slot 8 of trough 3, is provided with 4 open slots 8 on crest 2 and the trough 3 altogether, and two liang of correspondences guarantee that the spring leaf 4 of "Z" shape can inlay in open slot 8.

Spring leaf 4 includes middle section 5, upper segment 6 and hypomere 7, and spring leaf 4 is "Z" shape, and middle section 5, upper segment 6 and hypomere 7 are the integrated design, guarantee spring leaf 4's bulk strength and elasticity, can not be tired easily, and upper segment 6 and hypomere 7 are the arc, and curved upper segment 6 and hypomere 7 conveniently cooperate with open slot 8 and recess 9, guarantee that spring leaf 4 can normally work in the atress.

Terminal surface is located the coplanar under the inside of open slot 8's terminal surface and recess 9, guarantee that spring leaf 4 can resume normal after elastic deformation, and the terminal surface is the arc under the inside of open slot 8's terminal surface and recess 9 under the inside, and the radian is unanimous with crest 2 and trough 3, the correct elastic deformation of spring leaf 4 is guaranteed to the arc of terminal surface under the inside of open slot 8's terminal surface and recess 9, it is more even to make spring leaf 4 belong to, can help improving this wave spring's bulk strength, be difficult to warp, and make this wave spring be difficult to fatigue.

The radian of upper segment 6 and hypomere 7 is unanimous with the inside terminal surface radian under terminal surface and the recess 9 under the inside of open slot 8, makes spring leaf 4 belong to more evenly, can help improving this wave spring's bulk strength, is difficult to warp, makes this wave spring be difficult to fatigue moreover.

The opening length of open slot 8 all is less than the length of upper segment 6 and hypomere 7, and the one end of spring leaf 4 is located recess 9, drops from the open slot when preventing spring leaf 4 inoperative, and the length of upper segment 6 and hypomere 7 all is less than the whole length of open slot 8 and recess 9, and the top of spring leaf 4 and the innermost end of recess 9 have certain distance, and when spring leaf 4 atress changed, recess 9 can satisfy the normal elastic deformation of spring leaf 4.

When ripples spring body 1 atress in, a part of component can be used in 2 spring leaf 4 of cross arrangement, and ripples spring body 1 compression, spring leaf 4 compression, ripples spring body 1 kick-backs, and spring leaf 4 kick-backs have improved this wave spring's bulk strength greatly, are difficult to warp, make this wave spring be difficult to fatigue moreover, can resume the former state fast, and elasticity can not disappear, improves life greatly.

The present invention provides a concept and an implementation method of a long-life wave spring, and the specific application is many, and the above is only a preferred embodiment of the present invention, it should be noted that, for those skilled in the art, modifications may be made without departing from the principle of the present invention, and these modifications should be regarded as the protection scope of the present invention.

Claims

1. A long-life wave spring characterized by: including ripples spring body (1), ripples spring body (1) includes crest (2) and trough (3), and constitutes space (10) between crest (2) and trough (3) of adjacent ripples spring body (1), corresponding crest (2) in space (10) and trough (3) internal surface all are provided with open slot (8), and the one end of open slot (8) is provided with recess (9), alternately be provided with spring leaf (4) between corresponding open slot (8) in crest (2) and trough (3).

2. The high life wave spring of claim 1, wherein: all be provided with 2 open slots (8) on crest (2) and trough (3), and open slot (8) the crisscross setting of same surface, open slot (8) on crest (2) and open slot (8) of trough (3) are corresponding.

3. The high life wave spring of claim 1, wherein: the spring piece (4) comprises a middle section (5), an upper section (6) and a lower section (7), the middle section (5), the upper section (6) and the lower section (7) are designed in an integrated mode, and the upper section (6) and the lower section (7) are arc-shaped.

4. The high life wave spring of claim 2, wherein: the inner lower end face of the open slot (8) and the inner lower end face of the groove (9) are located on the same plane, the inner lower end face of the open slot (8) and the inner lower end face of the groove (9) are arc-shaped, and the radian of the arc is consistent with that of the wave crest (2) and the wave trough (3).

5. The high life wave spring of claim 3, wherein: the radian of the upper section (6) and the lower section (7) is consistent with the radian of the inner lower end surface of the open slot (8) and the radian of the inner lower end surface of the groove (9).

6. The high life wave spring of claim 2, wherein: the length of the opening of the open slot (8) is smaller than the length of the upper section (6) and the length of the lower section (7), and the length of the upper section (6) and the length of the lower section (7) are smaller than the whole length of the open slot (8) and the whole length of the groove (9).