CN204127191U - Gas-liquid two-way interaction spring assembly - Google Patents
Gas-liquid two-way interaction spring assembly Download PDFInfo
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- CN204127191U CN204127191U CN201420548334.8U CN201420548334U CN204127191U CN 204127191 U CN204127191 U CN 204127191U CN 201420548334 U CN201420548334 U CN 201420548334U CN 204127191 U CN204127191 U CN 204127191U
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- oil
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- spring assembly
- sealing
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Abstract
The utility model discloses a kind of gas-liquid two-way interaction spring assembly.Existing a kind of high-pressure oil-gas separating rear shock damper, because oil canal runs through described piston valve, the flow velocity of hydraulic oil between upper and lower oil pocket is very fast, and the damping force of generation is less, and Recovery Process is very fast, and easily produce impact force, travelling comfort is poor.Of the present utility modelly be characterised in that a heavy pressure gas chamber is formed at the bottom of described inner chamber of cylinder block, the middle part of inner chamber of cylinder block forms a lower oil cavitie, is provided with a gas piston between heavy pressure gas chamber and lower oil cavitie; One opening is arranged at the top of described cylinder body, and inner chamber of cylinder block is close to opening and is provided with Sealing, and described piston rod runs through opening and the Sealing at cylinder body top, forms a upper oil cavitie between Sealing and oily piston; Oil piston has the oil canal axially arranged, and this oil canal is blind hole, and its upper end is directly communicated with upper oil cavitie, and the lower end of oil canal is communicated with lower oil cavitie by an aperture.The utility model damping force is large, travelling comfort good.
Description
Technical field
The utility model relates to spring assembly, specifically a kind of gas-liquid two-way interaction spring assembly.
Background technique
At present, spring is widely used in every field, and its great majority are metal spring and pneumatic spring, undamped or damping little, operationally easily produce impact force.The patent No. be 03234941.6 Chinese utility model patent disclose a kind of high-pressure oil-gas separating rear shock damper, it is made up of clutch release slave cylinder, piston valve, oil sealing, guide holder, piston rod etc., float piston is provided with on the top of clutch release slave cylinder, the below of float piston is clutch release slave cylinder epicoele and the cavity of resorption of hydraulic oil formation, its upper and lower chamber is separated by the piston valve with piston rod, be oil sealing gasket and oil sealing below clutch release slave cylinder cavity of resorption, below oil sealing, be also provided with guide holder and dustproof seal packing ring.High-pressure oil gas is separated because above-mentioned patent have employed float piston, oil pressure change, float piston in clutch release slave cylinder are recompensed under pressurized gas vibrate, timely elimination road shocks is to the discomfort of driver, but there is following shortcoming in it: because oil canal runs through described piston valve, the flow velocity of hydraulic oil between upper and lower oil pocket is very fast, and the damping force of generation is less, and Recovery Process is very fast, easy generation impact force, travelling comfort is poor.
Model utility content
Technical problem to be solved in the utility model is the defect overcoming the existence of above-mentioned prior art, provides the gas-liquid two-way interaction spring assembly that a kind of damping force is large, travelling comfort is good.
For this reason, the utility model adopts following technological scheme: gas-liquid two-way interaction spring assembly, the piston rod comprising cylinder body, be placed in the oily piston of inner chamber of cylinder block and be connected on oily piston, the outer end of piston rod is positioned at outside cylinder body, it is characterized in that a heavy pressure gas chamber is formed at the bottom of described inner chamber of cylinder block, the middle part of inner chamber of cylinder block forms a lower oil cavitie, is provided with a gas piston between heavy pressure gas chamber and lower oil cavitie; One opening is arranged at the top of described cylinder body, and inner chamber of cylinder block is close to opening and is provided with Sealing, and described piston rod runs through opening and the Sealing at cylinder body top, forms a upper oil cavitie between Sealing and oily piston; Oil piston has the oil canal axially arranged, and this oil canal is blind hole, and its upper end is directly communicated with upper oil cavitie, and the lower end of oil canal is communicated with lower oil cavitie by an aperture.Working principle of the present utility model is: the piston rod after work is returned in original state process, because the diameter of the aperture be communicated with lower oil cavitie by oil canal is little, make hydraulic oil from upper oil cavitie, get back to lower oil cavitie process slower, thus larger damping force is produced to the reply of oily piston and piston rod, improve travelling comfort.
Described gas-liquid two-way interaction spring assembly, the diameter of aperture is 0.5-1.5mm, selects the aperture of this diameter, ensure that the process of lower oil cavitie got back to by hydraulic oil from upper oil cavitie slower.
Described gas-liquid two-way interaction spring assembly, Sealing comprises upper positioning ring, rubber seal and the lower positioning ring be close to successively from top to bottom, is provided with the projection for locating inside the cylinder body being positioned at lower positioning ring place.Utilize projection to position lower positioning ring, utilize upper and lower positioning ring to position seal ring.
Described gas-liquid two-way interaction spring assembly, oily piston is provided with seal ring, in order to strengthen the sealing between oily piston and cylinder body.
Described gas-liquid two-way interaction spring assembly, gas piston is provided with seal ring and lower seal, there is a distance between upper seal ring and lower seal.One seal ring mainly play the guiding role, and another seal ring mainly seals.
Described gas-liquid two-way interaction spring assembly, the bottom of cylinder body has an inlet hole, and pressurized gas, built with a link block, load in heavy pressure gas chamber from air inlet position by this inlet hole.
The utility model has following beneficial effect: when being back to original state, and the process that lower oil cavitie got back to by hydraulic oil from upper oil cavitie is relatively slower, and damping force is large, travelling comfort good; Sealing is had good positioning, and the having stable behavior of piston and piston rod is reliable; Rational in infrastructure, easy to process, cost of production is low.
Accompanying drawing explanation
Below in conjunction with Figure of description and embodiment, the utility model is further described.
Fig. 1 is original state structural drawing of the present utility model.
Fig. 2 is working state structure figure of the present utility model.
Embodiment
Gas-liquid two-way interaction spring assembly as shown in the figure, be placed in the oily piston 4 of cylinder body 1 inner chamber, piston rod 3 is connected on oily piston 4, the outer end of piston rod 3 is positioned at outside cylinder body 1, a heavy pressure gas chamber 5 is formed at the bottom of described inner chamber of cylinder block, the middle part of inner chamber of cylinder block forms a lower oil cavitie 6, has a gas piston 2 between heavy pressure gas chamber 5 and lower oil cavitie 6.One opening is arranged at the top of cylinder body, and inner chamber of cylinder block is close to opening and is provided with Sealing, and described piston rod runs through opening and the Sealing at cylinder body top, forms a upper oil cavitie 7 between Sealing and oily piston.Oil piston 4 has an oil canal 8 axially arranged, this oil canal is blind hole, and its upper end is directly communicated with upper oil cavitie 7, and the lower end of oil canal 8 is communicated with lower oil cavitie 6 by an aperture 9, and the diameter of aperture 9 selects 0.5-1.5mm.
Described Sealing is made up of the upper positioning ring 10 be close to successively from top to bottom, rubber seal 11, lower positioning ring 12, described sealing rubber ring 11 is Y shape rubber seal, form projection 13(mono-inside the cylinder body being positioned at lower positioning ring 12 place and enclose 6, uniform), spacing for lower positioning ring 12.Oil piston 4 is equipped with seal ring, gas piston 2 is equipped with a upper seal ring 14 and a lower seal 15, between upper seal ring 14 and lower seal 15, has a distance.
Working procedure of the present utility model is as follows: when being in original state (non-working state), oily piston 4 is against lower positioning ring 12, and the volume of upper oil cavitie 7 is zero, and hydraulic oil and air, all in lower oil cavitie 6, fill pressurized gas in heavy pressure gas chamber 5.When piston rod 3 outer end is subject to external force, pressure makes piston rod 3 move downward with oily piston 4, now pressure is passed to gas piston 2 by the hydraulic oil between itself and gas piston 2 by oily piston 4, pressurized gas while forcing gas piston 2 to do to move downward in compressing high pressure gas chamber, the pressure that the resistance moved downward gas piston 2 due to pressurized gas and piston valve 4 produce the hydraulic oil in lower oil cavitie 6 and air when moving downward, the air in lower oil cavitie 6 is forced first to enter in upper oil cavitie 7 by the aperture on piston valve 4 and oil canal, hydraulic oil also enters in upper oil cavitie 7 along with by aperture and oil canal subsequently, until pressurized gas to the pressure of gas piston 2 and external force to the pressure balance of piston rod.When removing the external force acted on piston rod 3, pressurized gas force gas piston 2 to move upward, the pressure that now hydraulic oil and air are subject in lower oil cavitie 6 is greater than hydraulic oil and the pressure suffered by air in upper oil cavitie 7, pressure difference between the two makes the hydraulic oil in upper oil cavitie 7 and air successively get back to lower oil cavitie 6 by oil canal and aperture, and finally gas piston 2 moves upward with piston rod and gets back to original state.Be returned in original state process, because the diameter of the aperture 9 be communicated with oily piston 4 by oil canal 8 is very little, hydraulic oil and the air process of getting back in lower oil cavitie 6 from upper oil cavitie 7 is compared slowly, thus larger damping force is produced to the reply of oily piston 4 and piston rod 3.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to structure of the present utility model.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all fall in protection domain of the present utility model.
Claims (6)
1. gas-liquid two-way interaction spring assembly, comprise cylinder body (1), be placed in the oily piston (4) of inner chamber of cylinder block and be connected to the piston rod (3) on oily piston, the outer end of piston rod (3) is positioned at outside cylinder body, it is characterized in that a heavy pressure gas chamber (5) is formed at the bottom of described inner chamber of cylinder block, the middle part of inner chamber of cylinder block forms a lower oil cavitie (6), is provided with a gas piston (2) between heavy pressure gas chamber (5) and lower oil cavitie (6);
One opening is arranged at the top of described cylinder body (1), inner chamber of cylinder block is close to opening and is provided with Sealing, described piston rod (3) runs through opening and the Sealing at cylinder body top, forms a upper oil cavitie (7) between Sealing and oily piston (4);
Oil piston (4) has the oil canal (8) axially arranged, this oil canal (8) is blind hole, its upper end is directly communicated with upper oil cavitie (7), and the lower end of oil canal (8) is communicated with lower oil cavitie (6) by an aperture (9).
2. gas-liquid two-way interaction spring assembly according to claim 1, is characterized in that the diameter of described aperture (9) is 0.5-1.5mm.
3. gas-liquid two-way interaction spring assembly according to claim 1 and 2, it is characterized in that described Sealing comprises upper positioning ring (10), rubber seal (11) and the lower positioning ring (12) be close to successively from top to bottom, inside the cylinder body being positioned at lower positioning ring place, being provided with the projection (13) for locating.
4. gas-liquid two-way interaction spring assembly according to claim 3, is characterized in that described oily piston (4) is provided with seal ring.
5. gas-liquid two-way interaction spring assembly according to claim 4, it is characterized in that described gas piston (2) is provided with seal ring (14) and lower seal (15), between upper seal ring (14) and lower seal (15), there is a distance.
6. gas-liquid two-way interaction spring assembly according to claim 1, it is characterized in that the bottom of cylinder body (1) has an inlet hole, this inlet hole is built with a link block (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548334.8U CN204127191U (en) | 2014-09-23 | 2014-09-23 | Gas-liquid two-way interaction spring assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548334.8U CN204127191U (en) | 2014-09-23 | 2014-09-23 | Gas-liquid two-way interaction spring assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204127191U true CN204127191U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420548334.8U Expired - Fee Related CN204127191U (en) | 2014-09-23 | 2014-09-23 | Gas-liquid two-way interaction spring assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204127191U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747383A (en) * | 2015-03-31 | 2015-07-01 | 张志雄 | Clamp valve aluminum alloy threaded piston damping wind power generation device |
| CN105673764A (en) * | 2016-03-23 | 2016-06-15 | 新乡市新华液压机械有限公司 | Inflatable type damper floating piston sealing structure |
| CN106122341A (en) * | 2016-05-26 | 2016-11-16 | 庆安集团有限公司 | A kind of air spring of unidirectional damping type |
-
2014
- 2014-09-23 CN CN201420548334.8U patent/CN204127191U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747383A (en) * | 2015-03-31 | 2015-07-01 | 张志雄 | Clamp valve aluminum alloy threaded piston damping wind power generation device |
| CN105673764A (en) * | 2016-03-23 | 2016-06-15 | 新乡市新华液压机械有限公司 | Inflatable type damper floating piston sealing structure |
| CN106122341A (en) * | 2016-05-26 | 2016-11-16 | 庆安集团有限公司 | A kind of air spring of unidirectional damping type |
| CN106122341B (en) * | 2016-05-26 | 2019-01-01 | 庆安集团有限公司 | A kind of gas spring of unidirectional damping type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20160923 |