CN103382979A - Gas spring - Google Patents
Gas spring Download PDFInfo
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- CN103382979A CN103382979A CN 201310272981 CN201310272981A CN103382979A CN 103382979 A CN103382979 A CN 103382979A CN 201310272981 CN201310272981 CN 201310272981 CN 201310272981 A CN201310272981 A CN 201310272981A CN 103382979 A CN103382979 A CN 103382979A
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- piston
- piston rod
- air spring
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- surface heat
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Abstract
The invention provides a gas spring and relates to the technical filed of display stands. The gas spring comprises a piston (5), a surface heat-shrinkable bushing (6), a telescopic corrugated pipe (7), a piston rod (8) and a two-way valve (a), wherein the piston (5) is arranged in the surface heat-shrinkable bushing (6); one end of the piston (5) is connected with the piston rod (8) extending to the external part of the surface heat-shrinkable bushing (6); the two-way valve (a) is arranged at the other end of the piston (5); the telescopic corrugated pipe (7) is arranged at one end of the surface heat-shrinkable bushing (6); an outer ring of the piston rod (8) is sleeved with the telescopic corrugated pipe (7). The gas spring has the advantages that the design is scientific and reasonable, the structure of the gas spring is improved, the performance is more excellent, and the application range is wide.
Description
Technical field:
The present invention relates to the air spring technical field, be specifically related to a kind of air spring.
Background technique:
Along with the air spring application is more and more extensive, Environmental Conditions requires also more and more harsher to air spring process for treating surface and structural behaviour.Such as: medical equipment and food machinery.Require the air spring surface heavy-metal residual can not be arranged, more the phenomenon such as depainting naval vessel bedding, roof rack luggage rack (case, the cabinet) air spring that uses can not be arranged, be in for a long time wet environment, especially seawater steam has than severe corrosive the air spring surface of common material and process treating.Stadium spectators seat air spring can be automatically packed up, hardships precipitation and solar light irradiation be stood.The Environmental Conditions such as above-mentioned, common air spring process for treating surface is difficult to meet the demands.Stainless steel air spring cost is too high.
Summary of the invention:
The purpose of this invention is to provide a kind of air spring, its design science is reasonable, has improved the structure of air spring, and performance is more excellent, and is applied widely.
In order to solve the existing problem of background technique, the present invention is by the following technical solutions: it comprises piston 5, surface heat Heat-Shrinkable Tubings 6, telescopic bellows 7, piston rod 8, two-way valve a, be provided with piston 5 in surface heat Heat-Shrinkable Tubings 6, piston 5 one ends are connected with a piston rod 8 that extends to surface heat Heat-Shrinkable Tubings 6 outsides, piston 5 the other ends are provided with a two-way valve a, surface heat Heat-Shrinkable Tubings 6 one ends are provided with telescopic bellows 7, and telescopic bellows 7 is set on piston rod 8 outer rings.
Described surface heat Heat-Shrinkable Tubings 6 uses photooxidation resistant, heatproof oxidation performance, ozone proof, water-fast degradability heat-shrinkable T bush/film preferably, to air spring, damper surface processing, avoided in the processes such as conventional spray paint paint the pollution to environment, and than the adhesion such as spray paint better, more firm, difficult drop-off.Under air spring, damper safe handling environment, the air spring of alternative stainless steel, damper cylinder body.Can select according to Environmental Conditions the heat-shrinkable T bush (film) of unlike material, different physics or chemical property, different-thickness.This technology can improve working life and the Security of air spring, damper greatly.
Described telescopic bellows 7 pairs of air springs, damper rod are protected, and alleviate to greatest extent Environmental Conditions to the impact of air spring, damper rod.Avoided air spring, damper rod to be exposed in air, oxidative stability reduces, and chap occurs become, the generation that causes air spring, damper to be scrapped.Working life and the Security of air spring, damper have been improved.
Described piston 5, pad and piston rod 8 combinations, rotary-piston bar 8 band mobile gaskets, when pad air passing hole and piston air passing hole formation path, piston rod 8 can normally carry out fore and aft motion.When pad air passing hole (damping hole) did not form path with piston air passing hole (damping hole), piston 5 was locked, and piston rod 8 can not normally carry out fore and aft motion.On same piston 5, air passing hole (damping hole) can be designed to different pore size, and when the air passing hole (damping hole) of pad and different pore size formed path, when piston rod 8 carried out fore and aft motion, speed was different.
Design science of the present invention is reasonable, has improved the structure of air spring, and performance is more excellent, and is applied widely.
Description of drawings:
Fig. 1 is structural representation of the present invention,
Fig. 2 is the sectional view of piston in the present invention,
Fig. 3 is the structural representation of Intermediate gasket of the present invention,
Fig. 4 is the structural representation of piston rod in the present invention,
Fig. 5 is the structural representation of embodiment two,
Fig. 6 is the structural representation of C shape jump ring in embodiment two.
Embodiment:
Embodiment one: with reference to Fig. 1-Fig. 4, this embodiment is by the following technical solutions: it comprises piston 5, surface heat Heat-Shrinkable Tubings 6, telescopic bellows 7, piston rod 8, two-way valve a, be provided with piston 5 in surface heat Heat-Shrinkable Tubings 6, piston 5 one ends are connected with a piston rod 8 that extends to surface heat Heat-Shrinkable Tubings 6 outsides, piston 5 the other ends are provided with a two-way valve a, surface heat Heat-Shrinkable Tubings 6 one ends are provided with telescopic bellows 7, and telescopic bellows 7 is set on piston rod 8 outer rings.
Described surface heat Heat-Shrinkable Tubings 6 uses photooxidation resistant, heatproof oxidation performance, ozone proof, water-fast degradability heat-shrinkable T bush/film preferably, to air spring, damper surface processing, avoided in the processes such as conventional spray paint paint the pollution to environment, and than the adhesion such as spray paint better, more firm, difficult drop-off.Under air spring, damper safe handling environment, the air spring of alternative stainless steel, damper cylinder body.Can select according to Environmental Conditions the heat-shrinkable T bush (film) of unlike material, different physics or chemical property, different-thickness.This technology can improve working life and the Security of air spring, damper greatly.
Described telescopic bellows 7 pairs of air springs, damper rod are protected, and alleviate to greatest extent Environmental Conditions to the impact of air spring, damper rod.Avoided air spring, damper rod to be exposed in air, oxidative stability reduces, and chap occurs become, the generation that causes air spring, damper to be scrapped.Working life and the Security of air spring, damper have been improved.
Described piston 5, pad and piston rod 8 combinations, rotary-piston bar 8 band mobile gaskets, when pad air passing hole and piston air passing hole formation path, piston rod 8 can normally carry out fore and aft motion.When pad air passing hole (damping hole) did not form path with piston air passing hole (damping hole), piston 5 was locked, and piston rod 8 can not normally carry out fore and aft motion.On same piston 5, air passing hole (damping hole) can be designed to different pore size, and when the air passing hole (damping hole) of pad and different pore size formed path, when piston rod 8 carried out fore and aft motion, speed was different.
This embodiment design science is reasonable, has improved the structure of air spring, and performance is more excellent, and is applied widely.
embodiment two: referring to Fig. 5-Fig. 6, it also comprises link 1, C shape jump ring 2, jump-ring slot 3, two-way valve a replaces with charge/discharge gas two-way valve 4, piston 5 one ends are connected with a piston rod 8 that extends to surface heat Heat-Shrinkable Tubings 6 outsides, piston 5 the other ends are provided with a charge/discharge gas two-way valve 4, surface heat Heat-Shrinkable Tubings 6 one ends and piston rod 8 are provided with link 1 at the end away from surface heat Heat-Shrinkable Tubings 6, be provided with C shape jump ring 2 in link 1, when spinning link 1, C shape jump ring 2 is sticked into the jump-ring slot 3 at piston rod 8 two ends, other compositions and annexation are identical with embodiment one.
Described charge/discharge gas two-way valve 4 is convenient to air spring, damper are inflated, especially automation inflation.The venting function makes air spring, damper in-cylinder pressure become adjustable.In case avoided traditional unidirectional inflation air spring, damper in-cylinder pressure to fill height, the thing that can only scrap occurs, and reduces defect rate, reject rate, reduces production costs.
C shape jump ring 2 in described link 1 band not needing to be used for the air spring of dismantling again, the connection of damper link.When spinning link, with C shape jump ring 2 stick into jump-ring slot 3 can complete connect locked.
In this embodiment, piston rod 8 is designed with two O type ring recess and jump-ring slot, and two O type circles can not leak gas when piston rod 8 rotates, and jump-ring slot is used for substituting riveting piston technology.
Claims (6)
1. air spring, it is characterized in that it comprises piston (5), surface heat Heat-Shrinkable Tubings (6), telescopic bellows (7), piston rod (8), two-way valve (a), be provided with piston (5) in surface heat Heat-Shrinkable Tubings (6), piston (5) one ends are connected with one and extend to the outside piston rod (8) of surface heat Heat-Shrinkable Tubings (6), piston (5) the other end is provided with a two-way valve (a), surface heat Heat-Shrinkable Tubings (6) one ends are provided with telescopic bellows (7), telescopic bellows (7) is set on piston rod (8) outer ring.
2. a kind of air spring according to claim 1, it is characterized in that it also comprises link (1), C shape jump ring (2), jump-ring slot (3), two-way valve (a) replaces with charge/discharge gas two-way valve (4), piston (5) one ends are connected with one and extend to the outside piston rod (8) of surface heat Heat-Shrinkable Tubings (6), piston (5) the other end is provided with a charge/discharge gas two-way valve (4), surface heat Heat-Shrinkable Tubings (6) one ends and piston rod (8) are provided with link (1) at the end away from surface heat Heat-Shrinkable Tubings (6), be provided with C shape jump ring (2) in link (1), when spinning link (1), C shape jump ring (2) is sticked into the jump-ring slot (3) at piston rod (8) two ends.
3. a kind of air spring according to claim 1, it is characterized in that described surface heat Heat-Shrinkable Tubings (6) uses photooxidation resistant, heatproof oxidation performance, ozone proof, water-fast degradability heat-shrinkable T bush/film preferably, to air spring, damper surface processing, avoided in the processes such as conventional spray paint paint the pollution to environment, and than the adhesion such as spray paint better, more firm, difficult drop-off.
4. a kind of air spring according to claim 1 is characterized in that described charge/discharge gas two-way valve (4) is convenient to air spring is inflated, especially automation inflation, and the venting function makes the air spring in-cylinder pressure become adjustable.
5. a kind of air spring according to claim 1, it is characterized in that C shape jump ring (2) in described link (1) band, not needing to be used for the air spring of dismantling again, the connection of damper link, when spinning link, with C shape jump ring (2) stick into jump-ring slot (3) can complete connect locked.
6. a kind of air spring according to claim 1, it is characterized in that described piston (5), pad and piston rod (8) combination, rotary-piston bar (8) band mobile gasket, when pad air passing hole and piston air passing hole formation path, piston rod (8) can normally carry out fore and aft motion; When the pad air passing hole did not form path with the piston air passing hole, piston (5) was locked, and piston rod (8) can not normally carry out fore and aft motion; On same piston (5), air passing hole can be designed to different pore size, when the air passing hole of pad and different pore size forms path, when piston rod (8) carries out fore and aft motion, speed is different, piston rod (8) is designed with two O type ring recess and jump-ring slot, and two O type circles can not leak gas when piston rod (8) rotates, and jump-ring slot is used for substituting riveting piston technology.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201310272981 CN103382979A (en) | 2013-06-26 | 2013-06-26 | Gas spring |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201310272981 CN103382979A (en) | 2013-06-26 | 2013-06-26 | Gas spring |
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CN103382979A true CN103382979A (en) | 2013-11-06 |
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CN 201310272981 Pending CN103382979A (en) | 2013-06-26 | 2013-06-26 | Gas spring |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109281975A (en) * | 2018-12-07 | 2019-01-29 | 东风商用车有限公司 | Rigidity-adjustable air spring |
CN112682455A (en) * | 2019-10-17 | 2021-04-20 | DRiV汽车公司 | Heat shrinkable dirt-proof cover |
-
2013
- 2013-06-26 CN CN 201310272981 patent/CN103382979A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109281975A (en) * | 2018-12-07 | 2019-01-29 | 东风商用车有限公司 | Rigidity-adjustable air spring |
CN112682455A (en) * | 2019-10-17 | 2021-04-20 | DRiV汽车公司 | Heat shrinkable dirt-proof cover |
CN112682455B (en) * | 2019-10-17 | 2024-01-05 | DRiV汽车公司 | Thermal contraction anti-fouling cover |
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Application publication date: 20131106 |