CN218844945U - Toothed wave spring - Google Patents
Toothed wave spring Download PDFInfo
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- CN218844945U CN218844945U CN202223119797.6U CN202223119797U CN218844945U CN 218844945 U CN218844945 U CN 218844945U CN 202223119797 U CN202223119797 U CN 202223119797U CN 218844945 U CN218844945 U CN 218844945U
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- wave spring
- tooth
- tooth part
- toothed
- spring body
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Abstract
The utility model provides a toothed wave spring, which comprises a wave spring body and a tooth part, wherein the wave spring body is a metal thin ring with a plurality of peak valleys and is formed by alternately connecting peak parts and valley parts along the circumferential direction; the tooth portions are provided on peripheral surfaces of the respective crests and/or troughs, and the tooth portions radially extend from the peripheral surfaces of the crests and/or the troughs along curved surfaces on which the crests and/or the troughs are located. The utility model provides a traditional wave spring is compared to toothed wave spring, can improve the biggest displacement by a wide margin, has good use and spreading value at the application occasion that needs big displacement, little load.
Description
Technical Field
The utility model relates to a wave spring field, specific have tooth wave spring that relates to.
Background
The wave spring is a thin-sheet annular elastic metal element consisting of a plurality of wave crests and wave troughs. The wave spring resists axial pressure by compressing the wave shape thereof, is particularly suitable for applications requiring weight reduction and applications limited by small installation space, and has typical application ranges including: aerospace, precision machinery, hydraulic seals, high-end motors and the like.
Because the traditional wave spring is limited by the tensile strength, the maximum displacement is small, and the application occasions requiring large displacement and small load cannot be met. It is therefore desirable to design a wave spring that can provide a substantially increased maximum displacement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide there is tooth wave form spring.
In order to achieve the above objects and other objects, the present invention is achieved by including: the utility model provides a toothed wave spring, including the ripples spring body, the ripples spring body is the metal thin ring that has a plurality of peak valleys, forms through connecting peak portion and trough portion along circumference in turn, its characterized in that, still includes tooth portion, each peak portion or/and each all be provided with on the inner peripheral surface of trough portion tooth portion, tooth portion follow the inner peripheral surface of peak portion or/and trough portion along the curved surface that peak portion or/and trough portion are located extends to the radial direction inboard protrudingly; the tooth part comprises a first tooth part and a second tooth part, the first tooth part is fixedly arranged on the inner circumferential surface of the peak part, and the second tooth part is fixedly arranged on the inner circumferential surface of the valley part; the first tooth part and the second tooth part have the same structure. The utility model discloses a design makes the axial height of serrated wave spring increases by a wide margin, thereby can improve by a wide margin the maximum displacement volume of serrated wave spring makes its application demand that can satisfy great displacement and less power value.
In one embodiment, the first tooth and the second tooth are not identical in structure.
Further, the tooth portion and the wave spring body are plate bodies having the same thickness.
Further, the wave spring body and the tooth portion are integrally formed.
Further, the tooth portion has an isosceles trapezoid shape in plan view.
Further, the tooth extends within 8 times of the width of the wave spring body.
Further, an arc-shaped chamfer is arranged at the joint of the tooth part and the wave spring body.
The utility model also provides another kind of toothed wave spring, including the ripples spring body, the ripples spring body is the thin ring of metal that has a plurality of peak valleys, forms through connecting peak portion and valley portion in turn along circumference, its characterized in that, still includes tooth portion, each peak portion or/and each all be provided with on the outer peripheral face of valley portion tooth portion, tooth portion follow the outer peripheral face of peak portion or/and valley portion along the curved surface that peak portion or/and valley portion were located radially outwards extend the protrusion; the tooth part comprises a first tooth part and a second tooth part, the first tooth part is fixedly arranged on the outer peripheral surface of the peak part, and the second tooth part is fixedly arranged on the outer peripheral surface of the valley part; the first tooth part and the second tooth part have the same structure.
In one embodiment, the first tooth and the second tooth are not identical in structure.
Further, the tooth extends within 8 times of the width of the wave spring body.
The utility model provides a traditional wave spring is compared to toothed wave spring, can improve the biggest displacement by a wide margin, has good use and spreading value at the application occasion that needs big displacement, little load.
Drawings
Fig. 1A shows an isometric view of a first embodiment of the present invention.
Fig. 1B is a front view of the first embodiment of the present invention.
Fig. 1C is a top view of the first embodiment of the present invention.
Fig. 2A shows an isometric view of a second embodiment of the present invention.
Fig. 2B is a front view of a second embodiment of the present invention.
Fig. 2C is a top view of a second embodiment of the present invention.
Fig. 3A shows an isometric view of a third embodiment of the present invention.
Fig. 3B is a front view of a third embodiment of the present invention.
Fig. 3C is a top view of a third embodiment of the present invention.
Fig. 4A shows an isometric view of a fourth embodiment of the present invention.
Fig. 4B is a front view of a fourth embodiment of the present invention.
Fig. 4C is a top view of a fourth embodiment of the present invention.
Fig. 5 is an isometric view of a conventional wave spring.
Detailed Description
Please refer to fig. 1 to 5. The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Example 1
As shown in fig. 1A and 1B, the present invention provides a toothed wave spring 100, which includes a wave spring body 110 and teeth 120. The wave spring body 110 is a thin metal circular ring having peaks and valleys, and is formed by alternately connecting peaks 111 and valleys 112 in a circumferential direction. The tooth 120 is provided on the inner circumferential surface of each of the ridges 111, and the tooth 120 extends radially inward from the inner circumferential surface of the ridge 111 along the curved surface on which the ridge 111 is located. It should be noted that the peak portions 111 and the valley portions 112 have the same shape, and therefore, the tooth portions 120 may be regarded as being provided on the inner circumferential surface of the valley portions 112. The design enables the stress of each tooth part 120 to be evenly transmitted to each peak part 111 (or the valley part 112), thereby ensuring the normal use of the toothed wave spring 100; meanwhile, the above design makes the axial height of the toothed wave spring 100 from H 1 To H 2 Therefore, the maximum displacement of the toothed wave spring 100 can be greatly increased, and the application requirements of large displacement and small force value can be met.
Specifically, the tooth portion 120 and the wave spring body 110 are plate bodies having the same thickness. The wave spring body 110 and the teeth 120 are integrally formed, and the front and back surfaces facing the axial direction are connected together in a stepless manner, thereby further ensuring the stability of the toothed wave spring 100.
As shown in fig. 1C, the tooth portion 120 has an isosceles trapezoid shape in plan view, with upper and lower bottom edges extending circumferentially and two legs extending radially. Specifically, the extension length L of the tooth 120 1 Within 8 times the width of the wave spring body 110 to ensure that the toothed wave spring 100 has a large maximum displacement while maintaining good cushioning properties.
As shown in fig. 1C, an arc-shaped chamfer 121 is provided at a connection portion between the tooth portion 120 and the wave spring body 110, so that the degree of engagement between the tooth portion 120 and the wave spring body 110 can be increased, and the overall appearance and feel can be improved.
Example 2
As shown in fig. 2A and 2B, the present invention provides a toothed wave spring 200, which includes a wave spring body 210 and teeth including a first tooth 220 and a second tooth 230. The wave spring body 210 is a thin metal circular ring having a plurality of peaks and valleys, and is formed by alternately connecting the peaks 211 and the valleys 212 in a circumferential direction. The first tooth portion 220 is provided on the inner circumferential surface of each peak portion 211, and the first tooth portion 220 extends and protrudes radially inward from the inner circumferential surface of the peak portion 211 along the curved surface where the peak portion 211 is located. The second tooth portion 230 is provided on the inner peripheral surface of each of the valley portions 212, and the second tooth portion 230 extends from the inner peripheral surface of the valley portion 212 to the radially inner side along the curved surface where the valley portion 212 is located. The first tooth portion 220 and the second tooth portion 230 are designed to ensure that the stress of the toothed wave spring 200 is uniformly transmitted to the peak portions 211 and the valley portions 212, thereby ensuring that the toothed wave spring200, normal use; at the same time, the axial height of the toothed wave spring 200 is made from H 1 To H 3 Therefore, the maximum displacement of the toothed wave spring 200 can be greatly increased, and the application requirements of large displacement and small force value can be met.
Specifically, the first tooth portion 220 and the second tooth portion 230 are plate bodies having the same thickness as the wave spring body 210. The wave spring body 210, the first tooth portion 220 and the second tooth portion 230 are integrally formed, and the front and back surfaces facing the axial direction are connected together in a stepless manner, so that the use stability of the toothed wave spring 200 is further ensured.
As shown in fig. 2C, the first tooth portion 220 and the second tooth portion 230 have the same structure. The first tooth portion 220 and the second tooth portion 230 each have an isosceles trapezoid shape in plan view, and the first tooth portion 220 has an extension length L 1 And the extension length L of the second tooth part 230 2 Are equal to, and said L 1 And L 2 Within 8 times the width of the wave spring body 210, to ensure that the toothed wave spring 200 has a large maximum displacement while maintaining good cushioning properties. Although the first and second teeth 220 and 230 are shown as having the same structure, this is not essential and the first and second teeth 220 and 230 may have different structures, such as the L 1 And L 2 Not equal.
As shown in fig. 2C, the connection portions between the first tooth portion 220 and the wave spring body 210 and the second tooth portion 230 are respectively provided with an arc-shaped chamfer 221, so that the fitting degree between the connection portions between the first tooth portion 220 and the wave spring body 210 and the connection portions between the second tooth portion 230 and the wave spring body 210 can be increased, and the overall appearance and feel can be improved.
Example 3
As shown in fig. 3A and 3B, the present invention provides a toothed wave spring 300 including a wave spring body 310 and a tooth 320. The wave spring body 310 is a thin metal circular ring having a plurality of peaks and valleys, and is formed by alternately connecting the peaks 311 and the valleys 312 in a circumferential direction. Outside each peak 311The teeth 320 are provided on the circumferential surface, and the teeth 320 extend outward in the radial direction from the outer circumferential surface of the ridge 311 along the curved surface where the ridge 311 is located. Note that, the crest 311 and the trough 312 have the same shape, and the teeth 320 may be regarded as being provided on the outer peripheral surface of the trough 312. The design can ensure that the stress of each tooth part 320 is evenly transmitted to each peak part 311 (or the valley part 312), thereby ensuring the normal use of the toothed wave spring 300; at the same time, the axial height of the toothed wave spring 300 is made to be from H 1 To H 4 Therefore, the maximum displacement of the toothed wave spring 300 can be greatly increased, and the application requirements of large displacement and small force value can be met.
Specifically, the tooth 320 and the wave spring body 310 are plates having the same thickness. The wave spring body 310 and the tooth portions 320 are integrally formed, and the front and back surfaces facing the axial direction are connected together in a stepless manner, so that the use stability of the toothed wave spring 300 is further ensured.
As shown in fig. 3C, the tooth 320 has an isosceles trapezoid shape in plan view, with upper and lower bottom edges extending circumferentially and two waists extending radially. Specifically, the extension length L of the tooth 320 3 Within 8 times the width of the wave spring body 310, so as to ensure that the toothed wave spring 300 has a large maximum displacement and at the same time has good buffering performance.
As shown in fig. 3C, an arc-shaped chamfer 321 is provided at a connection portion between the tooth portion 320 and the wave spring body 310, so that the fitting degree of the connection between the tooth portion 320 and the wave spring body 310 can be increased, and the overall appearance and feel can be improved.
Example 4
As shown in fig. 4A and 4B, the present invention provides a toothed wave spring 400, which includes a wave spring body 410 and teeth including a first tooth 420 and a second tooth 430. The wave spring body 410 is a thin metal circular ring having a plurality of peaks and valleys, and is formed by alternately connecting the peaks 411 and the valleys 412 in a circumferential direction. Each of saidThe first teeth 420 are provided on the outer circumferential surface of each of the crests 411, and the first teeth 420 extend outward in the radial direction from the outer circumferential surface of each of the crests 411 along the curved surface on which the crest 211 is located. The second tooth 430 is provided on an outer peripheral surface of each of the trough portions 412, and the second tooth 430 extends outward in a radial direction from the outer peripheral surface of the trough portion 412 along a curved surface where the trough portion 412 is located. The design of the first tooth part 420 and the second tooth part 430 can ensure that the stress of the toothed wave spring 400 is uniformly transmitted to each peak part 411 and each valley part 412, thereby ensuring the normal use of the toothed wave spring 400; at the same time, the axial height of the toothed wave spring 400 is made from H 1 To H 5 Therefore, the maximum displacement of the toothed wave spring 400 can be greatly increased, and the application requirements of large displacement and small force value can be met.
Specifically, the first tooth portion 420 and the second tooth portion 430 are plate bodies having the same thickness as the wave spring body 410. The wave spring body 410, the first tooth portion 420 and the second tooth portion 430 are integrally formed, and the front and back surfaces facing the axial direction are connected together in a stepless manner, so that the use stability of the toothed wave spring 400 is further ensured.
As shown in fig. 4C, the first tooth portion 420 and the second tooth portion 430 have the same structure. The first tooth portion 420 and the second tooth portion 430 have an isosceles trapezoid shape in plan view, and the first tooth portion 420 has an extension length L 3 And the extension length L of the second tooth part 430 4 Are equal to, and said L 3 And L 4 Within 8 times of the width of the wave spring body 410, so as to ensure that the toothed wave spring 400 has a large maximum displacement and simultaneously has good buffering performance. Although the first and second teeth 420 and 430 are shown as having identical structures, this is not essential and the first and second teeth 420 and 430 may have different structures, such as the L 3 And L 4 Not equal.
As shown in fig. 4C, the first tooth portion 420 and the second tooth portion 430 are respectively provided with an arc-shaped chamfer 421 at the connection portion with the wave spring body 410, so that the engagement degree between the first tooth portion 420 and the second tooth portion 430 and the wave spring body 410 can be increased, and the overall appearance and feel can be improved.
In summary, under the condition of the same other parameters, the traditional wave spring has no inner teeth or/and outer teeth, and the deformation space is small, so the displacement when the maximum stress is reached is small. And the utility model discloses an increase internal tooth or/and external tooth on wave spring, can obviously increase wave spring's deformation space, improve its displacement volume when reaching the maximum stress by a wide margin, compare with traditional wave spring promptly, the utility model discloses have obvious superiority under the application scenario that needs big displacement, little load.
Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value. The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The toothed wave spring comprises a wave spring body, wherein the wave spring body is a metal thin circular ring with a plurality of peak valleys and is formed by alternately connecting peak portions and valley portions along the circumferential direction, and the toothed wave spring is characterized by further comprising
The tooth parts are arranged on the inner circumferential surfaces of the peaks and/or the valleys, and the tooth parts extend and protrude from the inner circumferential surfaces of the peaks and/or the valleys along the curved surfaces of the peaks and/or the valleys towards the radial inner side;
the tooth part comprises a first tooth part and a second tooth part, the first tooth part is fixedly arranged on the inner circumferential surface of the peak part, and the second tooth part is fixedly arranged on the inner circumferential surface of the valley part;
the first tooth part and the second tooth part have the same structure.
2. The toothed wave spring of claim 1, wherein the first and second teeth are not identical in configuration.
3. The toothed wave spring of claim 1, wherein the teeth and the wave spring body are each plates of equal thickness.
4. The toothed wave spring of claim 1, wherein the wave spring body is integrally formed with the teeth.
5. The toothed wave spring of claim 1, wherein a top view projection of the teeth is in the shape of an isosceles trapezoid.
6. The toothed wave spring of claim 1, wherein the teeth extend within 8 times the width of the wave spring body.
7. The toothed wave spring of claim 1, wherein a junction of the teeth and the wave spring body is provided with an arcuate chamfer.
8. The toothed wave spring comprises a wave spring body, wherein the wave spring body is a metal thin circular ring with a plurality of peak valleys and is formed by alternately connecting peak portions and valley portions along the circumferential direction, and the toothed wave spring is characterized by further comprising
Tooth portions provided on outer peripheral surfaces of the respective crest portions and/or the respective trough portions, the tooth portions extending outward in a radial direction from outer peripheral surfaces of the crest portions and/or the trough portions along curved surfaces where the crest portions and/or the trough portions are located;
the tooth part comprises a first tooth part and a second tooth part, the first tooth part is fixedly arranged on the outer peripheral surface of the peak part, and the second tooth part is fixedly arranged on the outer peripheral surface of the valley part;
the first tooth part and the second tooth part have the same structure.
9. The toothed wave spring of claim 8, wherein the first and second teeth are not identical in configuration.
10. The toothed wave spring of claim 8, wherein an extension length of the teeth is within 8 times a width of the wave spring body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223119797.6U CN218844945U (en) | 2022-11-23 | 2022-11-23 | Toothed wave spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223119797.6U CN218844945U (en) | 2022-11-23 | 2022-11-23 | Toothed wave spring |
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| Publication Number | Publication Date |
|---|---|
| CN218844945U true CN218844945U (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223119797.6U Active CN218844945U (en) | 2022-11-23 | 2022-11-23 | Toothed wave spring |
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| Country | Link |
|---|---|
| CN (1) | CN218844945U (en) |
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- 2022-11-23 CN CN202223119797.6U patent/CN218844945U/en active Active
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