CN116379098A - Wave spring for preventing lateral movement and overload - Google Patents
Wave spring for preventing lateral movement and overload Download PDFInfo
- Publication number
- CN116379098A CN116379098A CN202310654824.XA CN202310654824A CN116379098A CN 116379098 A CN116379098 A CN 116379098A CN 202310654824 A CN202310654824 A CN 202310654824A CN 116379098 A CN116379098 A CN 116379098A
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- China
- Prior art keywords
- wave spring
- connecting rod
- resistant
- circular ring
- overload
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- 239000000872 buffer Substances 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 42
- 239000007853 buffer solution Substances 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000006837 decompression Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/002—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising at least one fluid spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/025—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant characterised by having a particular shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
Abstract
The invention discloses a side-shifting-resistant overload-resistant wave spring, and relates to the technical field of springs. This anti side moves overload prevention's wave spring through setting up the guardrail pole that head rod, the second connecting rod, uide bushing and buffer constitute, can prevent that wave spring body from moving side again, can take place to restore after deforming together with the wave spring body when receiving external force extrusion again, when the wave spring body is under unexpected overload pressure effect, decompose outside guardrail pole by the buffer, not only consolidate to whole wave spring like this, can guarantee that wave spring can not produce plastic deformation in compressive deformation and the decompression recovery in-process moreover, through setting up wearing layer and wear-resisting granule, reduce wave spring body, contact between first ring and the second ring and the outside spare part, thereby reduce wave spring's degree of wear, make wave spring durable more.
Description
Technical Field
The invention relates to the technical field of springs, in particular to a waveform spring with lateral movement deformation resistance under a pressed state.
Background
The wave spring is widely applied in the mechanical field, the wave spring surface is wave-shaped, and acting force is buffered through the bent line type and the self-restoring capability, so that the wave spring is one of the common spring types.
Chinese patent No. CN201820010196.6 discloses a multilayer wave spring which is not easy to deform, comprising at least two wave spring rings, the wave spring rings comprise a plurality of wave crests and wave troughs at intervals, the wave spring rings are stacked and integrated with each other coaxially, the upper surface of the wave crests is provided with a plurality of grooves, the lower surface of the wave troughs is provided with a plurality of elastic convex bodies, and the cross section of the grooves and the elastic convex bodies is one or two combinations of triangle or cylinder. The multilayer wave spring has a simple structure, and can firmly connect the wave spring rings of two adjacent layers through the grooves and the elastic convex bodies, prevent deflection and deformation after being stressed and compressed, improve the service stability of the product and prolong the service life of the product.
In the patent, although the anti-slip positioning connection is realized between two adjacent wave spring rings, the combined wave spring does not have the anti-side movement capability under the state of non-vertical acting force, the wave spring is easy to generate side movement deformation, and meanwhile, when the wave spring is acted by extreme pressure, the wave spring body can generate irrecoverable malignant plastic deformation, so that the wave spring loses elastic recovery performance, the wave spring is directly scrapped, and the used machine is disabled and cannot be normally used.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the lateral-movement-resistant overload-resistant wave spring, and solves the problem that the wave spring is not provided with a stable structure as a whole.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the utility model provides an anti side moves wave spring who prevents overload, includes wave spring body, its characterized in that: the wave spring comprises a wave spring body, a first wave plate fixedly connected to the upper end of the wave spring body, a first circular ring fixedly connected to the upper end of the first wave plate, a second wave plate fixedly connected to the lower end of the wave spring body, a second circular ring fixedly connected to the lower side of the second wave plate, more than three first connecting rods fixedly connected to the outer side of the first circular ring, second connecting rods fixedly installed to the outer side of the second circular ring, exposed sections of the second connecting rods fixedly connected with a guide sleeve in a sealing mode, the second connecting rods are arranged at positions and in quantity corresponding to the first connecting rods, the exposed sections of the first connecting rods are sleeved in the guide sleeve, buffer solution is injected into the guide sleeve, and the exposed sections of the first connecting rods are in precise clearance fit with the guide sleeve.
Further, the first connecting rod and the second connecting rod are uniformly distributed on the outer sides of the first circular ring and the second circular ring along the circumferential direction, and the first connecting rod and the second connecting rod are coaxially arranged.
Further, a liquid inlet channel is arranged in the first connecting rod, a liquid injection hole is arranged above the liquid inlet channel, the bottom of the liquid inlet channel is a closed end, a liquid outlet hole is arranged on the side face of the bottom of the liquid inlet channel, and the liquid injection hole and the liquid outlet hole are communicated with the liquid inlet channel.
Further, the buffer solution is liquid lubricating oil, and can be used as both buffer solution and lubricant.
Further, an exhaust groove is formed in the inner wall of the guide sleeve, when the wave spring body is in a non-pressed state, the lower end face of the first connecting rod is far away from the liquid level of the buffer solution, when the wave spring body moves to the limit position downwards through compression deformation, the lower end face of the first connecting rod is in contact with the buffer solution, the lower end point of the exhaust groove is 0.5-1 mm above the liquid level of the buffer solution, and the upper end point of the exhaust groove is communicated with the outside.
Further, the exhaust grooves are spiral grooves distributed on the inner wall of the guide sleeve.
Still further, the wave spring body includes a ring-shaped elastic metal sheet, and a wear-resistant layer is disposed outside the ring-shaped elastic metal sheet.
Still further, all be provided with the buffer layer in first ring and second ring outside, all be equipped with wear-resisting granule at the surface that exposes of buffer layer.
Further, the wave spring body is welded with the first circular ring and the second circular ring, and the second connecting rod is sealed and welded with the guide sleeve.
Further, the second connecting rod and the guide sleeve are integrated.
Further, the first connecting rod and the second connecting rod are evenly distributed on the outer sides of the first circular ring and the second circular ring along the circumferential direction, and 4-8 groups of the first connecting rod and the second connecting rod are arranged.
Compared with the prior art, the lateral movement resistance overload prevention wave spring has the following beneficial effects:
because the first waveform piece of fixedly connected with in waveform spring body upper end, the first ring of fixedly connected with in first waveform piece upper end, the second waveform piece of fixedly connected with in waveform spring body lower extreme, fixedly connected with second ring in second waveform piece downside, all there is the buffer layer in first ring and second ring outside, three or more head rods and second connecting rod have been set up respectively at intervals in the outside of first ring second ring, but head rod and second connecting rod pass through uide bushing sliding connection, annotate buffer solution in the uide bushing, like this when waveform spring body received non-perpendicular state force action, although the waveform spring body had the guardrail that produces side shift deformation possibility, but the setting is by head rod, second connecting rod and uide bushing group become around the waveform spring body, can effectively prevent the side shift deformation of whole waveform spring body, when the waveform spring body receives extreme pressure, because be equipped with the buffer solution in the uide bushing, just can cushion through the buffer solution between head rod and the second connecting rod, can prevent that the waveform spring body from producing the effect when receiving the pressure and producing the overload plastic deformation can not be guaranteed to the waveform spring.
The buffer layer is arranged outside the first circular ring and the second circular ring and can be used for buffering external acting force, wear-resistant particles are uniformly arranged on the surfaces of the first circular ring and the second circular ring, and the waveform spring body is welded with the first circular ring and the second circular ring, so that the waveform spring body is firmly connected with the first circular ring and the second circular ring, contact among the waveform spring body, the first circular ring and the second circular ring and external parts can be reduced, the wear degree of the waveform spring is reduced, and the waveform spring is durable.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a wave spring body according to the present invention.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a schematic structural view of the first connecting rod, the guide sleeve and the second connecting rod in the non-pressurized state.
Fig. 5 is a structural view showing the first connecting rod, the guide sleeve and the second connecting rod moving to the limit position under pressure.
Fig. 6 is an enlarged cross-sectional view of the guide tube at A-A of fig. 4.
In the figure: 1-a wave spring body; 2-a first waveform slice; 3-a first ring; 4-a second waveform slice;
5-a second ring; 6-a buffer layer; 7-a first connecting rod; 8-a second connecting rod; 9-a guide sleeve;
10-buffer; 11-a ring-like elastic metal sheet; 12-a wear-resistant layer; 61-wear resistant particles; 71-liquid inlet channel;
72-filling holes; 73-a liquid outlet hole; 91-vent groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention.
Embodiment 1, a wave spring for preventing side-shifting and overload, as shown in fig. 1-6, comprises a wave spring body 1, a first wave plate 2, a first circular ring 3, a second wave plate 4, a second circular ring 5, a buffer layer 6, a first connecting rod 7, a second connecting rod 8 and a guide sleeve 9, wherein the upper end of the wave spring body 1 is fixedly connected with the first wave plate 2, the upper end of the first wave plate 2 is fixedly connected with the first circular ring 3, the lower end of the wave spring body 1 is fixedly connected with the second wave plate 4, the lower side of the second wave plate 4 is fixedly connected with the second circular ring 5, the first circular ring 3 and the second circular ring 5 are both in welded connection with the wave spring body 1, the buffer layer 6 is arranged outside the first circular ring 3 and the second circular ring 5, and wear-resisting particles 61 are arranged on the exposed surface of the buffer layer 6, eight first connecting rods 7 are uniformly arranged on the outer side of the first circular ring 3, eight second connecting rods 8 which are coaxial with the first connecting rods 7 are uniformly arranged on the outer side of the second circular ring 5, the exposed section of each second connecting rod 8 is fixedly connected with a guide sleeve 9 in a sealing way, the exposed section of each first connecting rod 7 is precisely sleeved in the corresponding guide sleeve 9, a buffer solution 10 is filled in the lower section of the guide sleeve 9, exhaust grooves 91 which are distributed upwards along the axis are arranged on the inner wall of the guide sleeve 9, the lower end face of each first connecting rod 7 is far away from the liquid level of the buffer solution 10 when the wave spring body 1 is in a non-compressed state, the lower end face of each first connecting rod 7 is in contact with the buffer solution 10 when the wave spring body 1 is compressed and deformed downwards to a limit position, the lower end point of each exhaust groove 91 is 0.5-1 mm above the liquid level of the buffer solution 10, and the upper end point of each exhaust groove 91 is communicated with the outside.
The liquid inlet channel 71 is arranged in the first connecting rod 7, the liquid injection hole 72 is arranged above the liquid inlet channel 71, the bottom of the liquid inlet channel 71 is a closed end, the liquid outlet hole 73 is arranged on the side surface of the bottom of the liquid inlet channel 71, the liquid injection hole 72 and the liquid outlet hole 73 are communicated with the liquid inlet channel 71, so that buffer liquid 10 can be conveniently and timely supplemented in future use, a linear exhaust groove 91 is arranged on the inner hole wall of the guide sleeve 9, the buffer liquid 10 is liquid lubricating oil, the wave spring body 1 comprises a ring-shaped elastic metal sheet 11, and a wear-resisting layer 12 is arranged outside the ring-shaped elastic metal sheet 11. The wave spring body 1 is welded with the first circular ring 3 and the second circular ring 5, and the second connecting rod 8 is sealed welded with the guide sleeve 9.
During operation, the first circular ring 3 and the second circular ring 5 are respectively fixed on the upper and lower sides of the wave spring, the first connecting rod 7 and the second connecting rod 8 are uniformly fixed on the outer sides of the first circular ring 3 and the second circular ring 5, the first connecting rod 7 and the second connecting rod 8 are coaxially sleeved and connected through the guide sleeve 9, the buffer solution 10 is injected into the lower section of the guide sleeve 9, the exhaust grooves 91 distributed upwards along the axis are arranged on the inner wall of the guide sleeve 9, when the wave spring body 1 is in a non-compressed state, the lower end face of the first connecting rod 7 is far away from the liquid level of the buffer solution 10, and the upper end point of the exhaust groove 91 is communicated with the outside due to the fact that the lower end point of the exhaust groove 91 is 0.5-1 mm above the liquid level of the buffer solution 10, so that when the wave spring body 1 is compressed and deformed downwards, the lower end face of the first connecting rod 7 is almost in non-resistance downwards moved to the limit position, the pressure is decomposed to the eight first connecting rods 7, and the eight first connecting rods 7 act on the buffer solution 10, so that the wave spring body 1 is protected, and the wave spring body is prevented from being damaged by the unexpected pressure deformation caused by the unexpected pressure deformation. When the waveform spring is subjected to rated pressure to act alternately, the waveform spring body 1 can move downwards to deform and rebound to rise along with the action and disappearance of external pressure, more than three connecting rods with guard rail limiting effects are arranged on the outer side of the waveform spring body 1, the whole waveform spring can be laterally moved and reinforced, the whole waveform spring is more stable in the compression deformation and recovery process, the whole spring can be reinforced by arranging the wear-resistant layers 12 and the wear-resistant particles 61 from the periphery of the waveform spring body 1 and the periphery of the first circular ring 3 and the second circular ring 5, the contact among the waveform spring body 1, the first circular ring 3 and the second circular ring 5 and external parts is reduced, and therefore the abrasion degree of the waveform spring is reduced, and the waveform spring is more durable.
Although only the straight-line type air discharge groove 91 is shown in this example, the cross-sectional shape of the air discharge groove 91, the distribution pattern and the number of the air discharge grooves on the inner hole wall of the guide bush 9 can be determined autonomously according to the requirements of people, and the effect is better if the air discharge groove 91 is changed from the straight-line type air discharge groove to the spiral groove.
What is not described in detail in this specification is all of the prior art known to those skilled in the art.
Many embodiments of the present invention are possible, and all other examples of equivalent functional substitutions, without inventive effort, by a person of ordinary skill in the art are intended to be within the scope of the present invention.
Claims (10)
1. The utility model provides an anti side moves wave spring who prevents overload, includes wave spring body (1), its characterized in that: the upper end of the wave spring body (1) is fixedly connected with a first wave plate (2), the upper end of the first wave plate (2) is fixedly connected with a first circular ring (3), the lower end of the wave spring body (1) is fixedly connected with a second wave plate (4), the lower side of the second wave plate (4) is fixedly connected with a second circular ring (5), the outer side of the first circular ring (3) is fixedly connected with more than three first connecting rods (7), the second connecting rod (8) is fixedly arranged outside the second circular ring (5), the exposed section of the second connecting rod (8) is fixedly connected with the guide sleeve (9) in a sealing way, the setting positions and the number of the second connecting rod (8) correspond to those of the first connecting rod (7), the exposed section of the first connecting rod (7) is sleeved in the guide sleeve (9), the buffer solution (10) is filled in the guide sleeve (9), and the exposed section of the first connecting rod (7) is in precise clearance fit with the guide sleeve (9).
2. The side-shift-resistant overload-resistant wave spring of claim 1, wherein: the first connecting rod (7) and the second connecting rod (8) are uniformly distributed on the outer sides of the first circular ring (3) and the second circular ring (5) along the circumferential direction, and the first connecting rod (7) and the second connecting rod (8) are coaxially arranged.
3. The side-shift-resistant overload-resistant wave spring of claim 1, wherein: a liquid inlet channel (71) is arranged in the first connecting rod (7), a liquid injection hole (72) is formed in the upper portion of the liquid inlet channel (71), the bottom of the liquid inlet channel (71) is a closed end, a liquid outlet hole (73) is formed in the side face of the bottom of the liquid inlet channel (71), and the liquid injection hole (72) and the liquid outlet hole (73) are communicated with the liquid inlet channel (71).
4. The side-shift-resistant overload-resistant wave spring of claim 1, wherein: the buffer solution (10) is liquid lubricating oil.
5. The side-shift-resistant overload-resistant wave spring of claim 1, wherein: be equipped with exhaust groove (91) on the inner wall of uide bushing (9), wave spring body (1) are in the non-pressurized state, and the liquid level of buffer (10) is kept away from to the lower terminal surface of head rod (7), and when wave spring body (1) move to extreme position under compression deformation, the lower terminal surface of head rod (7) and buffer (10) contact, and the lower extreme point of exhaust groove (91) is 0.5~1 millimeter above the liquid level of buffer (10), and the upper end point of exhaust groove (91) communicates with each other with the external world.
6. The side-shift-resistant overload-preventing wave spring of claim 5, wherein: the exhaust grooves (91) are spiral grooves distributed on the inner wall of the guide sleeve (9).
7. The side-shift-resistant overload-resistant wave spring of claim 1, wherein: the wave spring body (1) comprises a ring-shaped elastic metal sheet (11), and a wear-resistant layer (12) is arranged on the outer side of the ring-shaped elastic metal sheet (11).
8. The side-shift-resistant overload-resistant wave spring of claim 1, wherein: the outer sides of the first circular ring (3) and the second circular ring (5) are respectively provided with a buffer layer (6), and the exposed surfaces of the buffer layers (6) are respectively provided with wear-resistant particles (61).
9. The side-shift-resistant overload-resistant wave spring of claim 1, wherein: the wave spring body (1) is welded with the first circular ring (3) and the second circular ring (5), and the second connecting rod (8) is sealed welded with the guide sleeve (9) or integrated with the guide sleeve.
10. The side-shift-resistant overload-resistant wave spring of claim 1, wherein: the first connecting rod (7) and the second connecting rod (8) are uniformly distributed on the outer sides of the first circular ring (3) and the second circular ring (5) along the circumferential direction, and the first connecting rod (7) and the second connecting rod (8) are provided with 4-8 groups.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310654824.XA CN116379098A (en) | 2023-06-05 | 2023-06-05 | Wave spring for preventing lateral movement and overload |
| CN202322061132.2U CN220354368U (en) | 2023-06-05 | 2023-08-02 | Wave spring for preventing lateral movement and overload |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310654824.XA CN116379098A (en) | 2023-06-05 | 2023-06-05 | Wave spring for preventing lateral movement and overload |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116379098A true CN116379098A (en) | 2023-07-04 |
Family
ID=86969788
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310654824.XA Pending CN116379098A (en) | 2023-06-05 | 2023-06-05 | Wave spring for preventing lateral movement and overload |
| CN202322061132.2U Active CN220354368U (en) | 2023-06-05 | 2023-08-02 | Wave spring for preventing lateral movement and overload |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322061132.2U Active CN220354368U (en) | 2023-06-05 | 2023-08-02 | Wave spring for preventing lateral movement and overload |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN116379098A (en) |
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| US6758465B1 (en) * | 2002-03-05 | 2004-07-06 | Smalley Steel Ring Company | Wave spring with single shim end |
| CN102132980A (en) * | 2010-01-22 | 2011-07-27 | 北京世纪普乐经贸有限公司 | Shock-absorbing shoes with wave type spring pads |
| CN103821870A (en) * | 2014-03-21 | 2014-05-28 | 昆明中铁大型养路机械集团有限公司 | Two-way elastic cab vibration damping device with variable hydraulic damping |
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| CN106759927A (en) * | 2017-01-14 | 2017-05-31 | 北京工业大学 | A kind of tandem type laminated rubber spring three-dimensional compounded shock isolating pedestal |
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| CN208692309U (en) * | 2018-07-04 | 2019-04-05 | 乐清市力升弹簧有限公司 | Electronic cigarette tack wave spring |
| CN111549927A (en) * | 2020-05-08 | 2020-08-18 | 南通大学 | Three-dimensional composite shock insulation support |
| CN111958216A (en) * | 2020-08-13 | 2020-11-20 | 东莞市史雷帝三维数控科技有限公司 | Wave spring equipment with limit structure |
| CN113460944A (en) * | 2021-07-13 | 2021-10-01 | 浙江海博石油设备有限公司 | Oil gas recovery nozzle |
| CN214698925U (en) * | 2021-04-26 | 2021-11-12 | 江苏伊思灵双第弹簧有限公司 | Anti-deformation wave spring |
| CN215409890U (en) * | 2021-08-11 | 2022-01-04 | 浙江力升弹簧股份有限公司 | Wave spring for seat cushion |
| CN216343602U (en) * | 2021-11-15 | 2022-04-19 | 东莞市荣佳弹簧科技有限公司 | Multi-layer wave spring with fixing device |
| TW202246672A (en) * | 2021-05-18 | 2022-12-01 | 國立臺灣科技大學 | Wave spring unit |
-
2023
- 2023-06-05 CN CN202310654824.XA patent/CN116379098A/en active Pending
- 2023-08-02 CN CN202322061132.2U patent/CN220354368U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6758465B1 (en) * | 2002-03-05 | 2004-07-06 | Smalley Steel Ring Company | Wave spring with single shim end |
| CN102132980A (en) * | 2010-01-22 | 2011-07-27 | 北京世纪普乐经贸有限公司 | Shock-absorbing shoes with wave type spring pads |
| CN104806676A (en) * | 2014-01-26 | 2015-07-29 | 长春孔辉汽车科技股份有限公司 | Pneumatic control damp-adjustable shock absorber |
| CN103821870A (en) * | 2014-03-21 | 2014-05-28 | 昆明中铁大型养路机械集团有限公司 | Two-way elastic cab vibration damping device with variable hydraulic damping |
| CN106759927A (en) * | 2017-01-14 | 2017-05-31 | 北京工业大学 | A kind of tandem type laminated rubber spring three-dimensional compounded shock isolating pedestal |
| CN108506403A (en) * | 2018-04-18 | 2018-09-07 | 常州格林电力机械制造有限公司 | A kind of large hydraulic damper |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN220354368U (en) | 2024-01-16 |
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