CN201152334Y - Gas spring with damping effect - Google Patents
Gas spring with damping effect Download PDFInfo
- Publication number
- CN201152334Y CN201152334Y CNU2008200308826U CN200820030882U CN201152334Y CN 201152334 Y CN201152334 Y CN 201152334Y CN U2008200308826 U CNU2008200308826 U CN U2008200308826U CN 200820030882 U CN200820030882 U CN 200820030882U CN 201152334 Y CN201152334 Y CN 201152334Y
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- piston
- cylinder body
- working room
- gas spring
- annular groove
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Abstract
The utility model relates to a gas spring with a damp effect. The gas spring is provided with a cylinder body (5). A piston (6) and a piston rod (1) are arranged in the cylinder body (5). The inner chamber of the cylinder body (5) is also provided with a floating ring (7). The piston (6) and the floating ring (7) divide the cylinder body (5) into a first workroom (A), a second workroom (B) and a third workroom (C). The piston rod (1) penetrates the first workroom (A) and is hermetically led out from one end of the cylinder body (5), and the other end of the cylinder body (5) is provided with a plug (8). One side of the outer rim of the piston rod (6) is provided with a unidirectional valve structure. The inside of the cylinder body at the leading-out end of the piston is orderly and closely provided with a guide sleeve (2), a leather bowl (3) and a fixed ring (4). The end of the fixed ring (4) close to the piston (6) is provided with a step hole (4.1). The inner diameter of the step hole (4.1) is more than the outer diameter of the end of the piston close to the fixed ring. By effectively combining the gas spring and a damping, the gas spring of the utility model simultaneously has the properties of the gas spring and the damping and can achieve damping when being pulled and pressed.
Description
Technical field
The utility model relates to a kind of gas spring, especially relates to a kind of gas spring with damping.Be mainly used on the case lid of car accessories.Belong to the pneumatic metal hardware technical field of sealing.
Background technique
Gas spring is a kind of bullet spare element.General gas spring has the piston and a piston rod that is connected piston that a cylinder body, can slippages in cylinder body.Piston is divided into first working room and one second working room with the cylinder body inner room, and piston rod passes the sealing of first working room and guides out from an end of cylinder body, and two working rooms are filled with the gas of pressure.During work, external force promotes piston rod, makes piston slippage in cylinder body, and external force is eliminated, and the gas in second working room promotes piston reverses direction and moves, and piston rod is resetted.The above-mentioned gas spring generally is not with damping, therefore can only be applicable to general at the uniform velocity workplace, and have speed to slow down the occasion of requirement suddenly for some, case lid as car accessories, it can be opened after requiring case lid to mention operation a period of time at leisure, or can slowly close after opening operation a period of time, then the above-mentioned gas spring just can not be suitable for.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of gas spring with damping is provided, and this gas spring can be lowered speed after operation a period of time, subsequently slowly operation.
The purpose of this utility model is achieved in that a kind of gas spring with damping, this gas spring has the cylinder body of a sealing, the cylinder body inner room be provided with one can slippage in cylinder body piston and a piston rod that connects described piston, it is characterized in that:
Described cylinder body inner room also be provided with one can slippage in cylinder body floating ring; Described piston and floating ring are divided into first operating room, second operating room and the 3rd operating room with the cylinder body inner room; Described piston rod passes first operating room and guides out from an end of cylinder body hermetically; The other end of cylinder body is provided with and blocks; Separately and by a kind of liquid that is in the pressure fill by piston described first operating room and second operating room; The 3rd operating room be in floating ring and block between and interiorly filling a kind of gas with pressure
The outer rim of described piston is provided with an annular groove I on one side, set seal ring I in the annular groove I, offer a valve opening I on the piston, valve opening I communicates with second working room and annular groove I, valve opening I, annular groove I and seal ring I constitute an one-way valve structures of piston, and the outer rim another side of piston is equipped with seal ring II one, also axially offers a vent I on the piston, vent I is connected first working room and second working room
Closely be provided with a guide sleeve, a leather cup and a retaining ring in the cylinder body of described piston rod Outlet successively, guide sleeve is arranged on adjacent piston rod Outlet, retaining ring is provided with a step hole near piston one end, the internal diameter of this step hole is slightly larger than the external diameter of close retaining ring one end of piston, makes like this to leave an annulus between the periphery wall of the inner circle wall of step hole and piston respective end after piston is drawn into or pushes in the step hole.When piston moved to the step hole position of retaining ring right-hand member, the passage that piston moves narrowed down suddenly, strengthened damping suddenly, and piston rod can only move extremely lentamente in this process, therefore, has played damping.
The utility model is by combining gas spring and damping effectively, the character that possesses gas spring and damping simultaneously, drawing, all can realize damping when pressing, and damping still is the variable force damping, therefore this gas spring can lower speed after operation a period of time, operation extremely lentamente has speed to slow down the occasion of requirement suddenly to satisfy some subsequently.
Description of drawings
Fig. 1 is the utility model structural representation in working order.
Fig. 2 is the structural representation of the utility model in reset condition.
Among the figure: piston rod 1, guide sleeve 2, leather cup 3, retaining ring 4, cylinder body 5, piston 6, floating ring 7, block 8, annulus 9; First A of working room, second B of working room, the 3rd C of working room; Seal ring IV2.1, step hole 4.1, slot rolling 5.1, seal ring I 6.1, annular groove I 6.2, valve opening I 6.3, seal ring II 6.4, damping hole I 6.5, seal ring III7.1, vent II 7.2 (a kind of easy exhaust air technique hole when being assembling), seal ring V8.1, annular groove II 8.2, valve opening II 8.3, seal ring VI8.4.
Embodiment
Referring to Fig. 1, the utility model relates to a kind of gas spring with damping, this gas spring has the cylinder body 5 of a sealing, these cylinder body 5 inner rooms by one can slippage in cylinder body piston 6 and another can slippage in cylinder body floating ring 7 be divided into one first A of working room, second B of working room and one the 3rd C of working room, wherein first A of working room and second B of working room separately and by a kind of liquid that is in the pressure fill by piston 6, and the 3rd C of working room is in floating ring 7 and blocks between 8 and interiorly filling a kind of gas with pressure.
The outer rim of piston 6 is provided with an annular groove I 6.2 near one side of first A of working room, set seal ring I 6.1 in the annular groove I6.2, offer a valve opening I 6.3 on the piston 6, valve opening I 6.3 communicates with second B of working room and annular groove I 6.2, and valve opening I 6.3, annular groove I 6.2 and seal ring I 6.1 constitute an one-way valve structures of piston.The outer rim of piston 6 is equipped with seal ring II6.4 one near one side of floating ring 7, also axially offers a damping hole I 6.5 on the piston 6, and damping hole I 6.5 is connected first A of working room and second B of working room.
The outer rim of floating ring 7 is equipped with seal ring III7.1 one, also axially offers an exhaust port II 7.2 on the floating ring 7, and exhaust port II 7.2 drains gas in the liquid and excess liquid when assembling.
This gas spring has a piston rod 1 of a piston, and this piston rod 1 passes first A of working room and guides out from an end of cylinder body 5 hermetically.
Be provided with slot rolling 5.1 near piston rod Outlet place on these gas spring cylinder body 5 casing walls, closely be provided with a guide sleeve 2, a leather cup 3 and a retaining ring 4 in the cylinder body of piston rod Outlet successively, guide sleeve 2 is arranged on adjacent piston rod Outlet, guide sleeve 2 inner edges are equipped with a seal ring IV2.1, and the piston rod Outlet of cylinder body closes up.Retaining ring 4 is arranged on slot rolling 5.1 places.Retaining ring 4 is provided with a step hole 4.1 near piston 6 one ends, the internal diameter of this step hole 4.1 is slightly larger than the external diameter of close retaining ring 4 one ends of piston 6, makes after like this in piston 6 is drawn into or pushes step hole 4.1 to leave an annulus 9 between the periphery wall of the inner circle wall of step hole 4.1 and piston 6 respective end.
This gas spring also have one with cylinder body 5 the other ends fixed block 8, the one side that blocks the close floating ring 7 of 8 outer rims is provided with an annular groove II 8.2, set seal ring V8.1 in the annular groove II 8.2, block and offer a valve opening II 8.3 on 8, valve opening II 8.3 communicates with extraneous and annular groove II 8.2, and valve opening II8.3, annular groove II8.2 and seal ring V8.1 constitute an one-way valve structures that blocks.Block 8 outer rims and be equipped with two road seal ring VI8.4 away from one side of the 3rd C of working room.
During work, external force promotes piston rod, piston is slided to the right in cylinder body, the liquid that pressure is arranged in second B of working room enters first A of working room by the valve opening I on the piston 6 6.3 through one-way valve and damping hole I 6.5, simultaneously the gas that pressure is arranged in second B of working room promote floating ring in cylinder body to blocking 8 direction slippages, gas in the 3rd C of working room is compressed, and pressure rises, as Fig. 1; When external force is eliminated, gas in the 3rd working room promote floating ring in cylinder body to the piston direction slippage, the promotion piston reverses direction moves, the liquid that pressure is arranged in first A of working room is entered second B of working room of cylinder body by the damping hole I 6.5 on the piston 6, piston rod is slowly resetted, when piston moves to step hole 4.1 positions of retaining ring 4 right-hand members, the passage that piston moves narrows down suddenly, suddenly it is big to strengthen damping, at this moment, the liquid that pressure is arranged in first A of working room can only be clamp-oned second B of working room by the damping hole I 6.5 on the piston 6 by the annulus between retaining ring step hole and the piston 10, piston rod moves extremely lentamente in this process, therefore, played damping, as Fig. 2.
In addition, one-way valve structures on the piston 6 and seal ring II structure also can replace (not shown) is set, and its working principle is with above-mentioned opposite.
Claims (3)
1, a kind of gas spring with damping, this gas spring have the cylinder body (5) of a sealing, cylinder body (5) inner room be provided with one can slippage in cylinder body piston (6) and a piston rod (1) that connects described piston, it is characterized in that:
Described cylinder body (5) inner room also be provided with one can slippage in cylinder body floating ring (7), described piston (6) and floating ring (7) are divided into one first working room (A) with cylinder body (5) inner room, one second working room (B) and one the 3rd working room (C), described piston rod (1) passes first working room (A) and guides out from an end of cylinder body (5) hermetically, the other end of cylinder body (5) is provided with and blocks (8), described first working room (A) and second working room (B) separately and by a kind of liquid that is in the pressure fill by piston (6), the 3rd working room (C) is in floating ring (7) and blocks between (8) and interiorly filling a kind of gas with pressure
The outer rim of described piston (6) is provided with an annular groove I (6.2) on one side, set seal ring I (6.1) in the annular groove I (6.2), offer a valve opening I (6.3) on the piston (6), valve opening I (6.3) communicates with second working room (B) and annular groove I (6.2), valve opening I (6.3), annular groove I (6.2) and seal ring I (6.1) constitute an one-way valve structures of piston, the outer rim another side of piston (6) is equipped with one seal ring II (6.4), also axially offer a damping hole I (6.5) on the piston (6), damping hole I (6.5) is connected first working room (A) and second working room (B)
Closely be provided with a guide sleeve (2), a leather cup (3) and a retaining ring (4) in the cylinder body of described piston rod Outlet successively, guide sleeve (2) is arranged on adjacent piston rod Outlet, retaining ring (4) is provided with a step hole (4.1) near piston (6) one ends, and the internal diameter of this step hole (4.1) is slightly larger than the external diameter of close retaining ring (4) one ends of piston (6).
2, a kind of gas spring with damping according to claim 1, it is characterized in that: the outer rim of described floating ring (7) is equipped with one seal ring III (7.1), also axially offers an exhaust port II (7.2) on the floating ring (7).
3, a kind of gas spring according to claim 1 with damping, it is characterized in that: described blocking (8) outer rim near floating ring (7) one side be provided with an annular groove II (8.2), set seal ring V (8.1) in the annular groove II (8.2), block and offer a valve opening II (8.3) on (8), valve opening II (8.3) communicates with extraneous and annular groove II (8.2), valve opening II (8.3), annular groove II (8.2) and seal ring V (8.1) constitute an one-way valve structures that blocks, block (8) outer rim away from the 3rd working room (C) one side be equipped with two road seal ring VI (8.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200308826U CN201152334Y (en) | 2008-01-14 | 2008-01-14 | Gas spring with damping effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200308826U CN201152334Y (en) | 2008-01-14 | 2008-01-14 | Gas spring with damping effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201152334Y true CN201152334Y (en) | 2008-11-19 |
Family
ID=40128012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200308826U Expired - Fee Related CN201152334Y (en) | 2008-01-14 | 2008-01-14 | Gas spring with damping effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201152334Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832353A (en) * | 2010-05-19 | 2010-09-15 | 王悦 | Composite air cushion type air cylinder buffering energy absorber |
| CN102808885A (en) * | 2011-05-31 | 2012-12-05 | 日立汽车系统株式会社 | Cylinder device |
| CN103352949A (en) * | 2013-08-02 | 2013-10-16 | 安吉宏峰气弹簧科技有限公司 | Expansion link and telescopic structure unit thereof |
| CN105003483A (en) * | 2014-04-25 | 2015-10-28 | 日立汽车系统株式会社 | Cylinder apparatus and manufacturing method thereof |
| CN107023602A (en) * | 2016-01-29 | 2017-08-08 | 苏斯帕有限公司 | Gas pressure spring |
| CN107489723A (en) * | 2017-08-24 | 2017-12-19 | 宁波力减震器有限公司 | damper with floating piston |
| CN108361308A (en) * | 2018-04-19 | 2018-08-03 | 卫玮 | Damping device |
-
2008
- 2008-01-14 CN CNU2008200308826U patent/CN201152334Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832353A (en) * | 2010-05-19 | 2010-09-15 | 王悦 | Composite air cushion type air cylinder buffering energy absorber |
| CN102808885A (en) * | 2011-05-31 | 2012-12-05 | 日立汽车系统株式会社 | Cylinder device |
| CN102808885B (en) * | 2011-05-31 | 2014-12-31 | 日立汽车系统株式会社 | Cylinder device |
| CN103352949A (en) * | 2013-08-02 | 2013-10-16 | 安吉宏峰气弹簧科技有限公司 | Expansion link and telescopic structure unit thereof |
| CN105003483A (en) * | 2014-04-25 | 2015-10-28 | 日立汽车系统株式会社 | Cylinder apparatus and manufacturing method thereof |
| CN105003483B (en) * | 2014-04-25 | 2017-05-17 | 日立汽车系统株式会社 | Cylinder apparatus and manufacturing method thereof |
| CN107023602A (en) * | 2016-01-29 | 2017-08-08 | 苏斯帕有限公司 | Gas pressure spring |
| US10557515B2 (en) | 2016-01-29 | 2020-02-11 | Suspa Gmbh | Gas pressure spring |
| CN107489723A (en) * | 2017-08-24 | 2017-12-19 | 宁波力减震器有限公司 | damper with floating piston |
| CN107489723B (en) * | 2017-08-24 | 2019-05-21 | 宁波一力减震器有限公司 | Damper with floating piston |
| CN108361308A (en) * | 2018-04-19 | 2018-08-03 | 卫玮 | Damping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081119 Termination date: 20110114 |