CN101178107A - Load bearing type damping changing impact damper - Google Patents
Load bearing type damping changing impact damper Download PDFInfo
- Publication number
- CN101178107A CN101178107A CNA200710056382XA CN200710056382A CN101178107A CN 101178107 A CN101178107 A CN 101178107A CN A200710056382X A CNA200710056382X A CN A200710056382XA CN 200710056382 A CN200710056382 A CN 200710056382A CN 101178107 A CN101178107 A CN 101178107A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- piston
- cavity
- load bearing
- impact damper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000013016 damping Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000003068 static effect Effects 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 13
- 239000000725 suspension Substances 0.000 abstract description 10
- 239000010727 cylinder oil Substances 0.000 abstract 2
- 239000006096 absorbing agent Substances 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000002650 habitual effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Images
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to a bearing-typed variable damper used for an automobile suspension, comprising a dual-cylinder oil cylinder with an internal cavity and an external cavity with an upper port consisting of an internal cylinder and an external cylinder sealed by a guider and a sealing seat, a piston arranged in the internal cavity of the oil cylinder and a piston rod connected with the piston, a check valve in the bottom part of the internal cylinder communicated with the internal cavity and the external cavity of the dual-cylinder oil cylinder, a piston check valve arranged on the piston and communicated with an upper cavity and a lower cavity, and a charging connector arranged at the lower part of the external cylinder. The invention is characterized in that the piston check valve is a normal check valve without throttle holes; the side wall at the lower part of the internal cylinder is provided with a compressed damping hole communicated with the internal cavity and the external cavity; a static seal is arranged between the sealing seat and the external cylinder; a high pressure sealing ring is arranged between the sealing seat and the piston rod. The structure of the invention is designed between the normal dual-cylinder damper and an oil-gas spring. Owning to the adopted high pressure sealing structure, the invention has the advantages of bearing static loads, and leading the normal automobile suspension to increase the bearing capability and to have the ideal nonlinear characteristic.
Description
Technical field
The present invention relates to be used for the vibration damper on the automotive suspension, especially a kind of double barreled vibration damper that bears the suspension static load.
Background technique
At present, be widely used in the damping device on the automotive suspension, the one, the telescopic shock absorber of habitually practising is hydro-pneumatic spring in addition, the damper that the former is made up of cylinder barrel, piston and orifice valve, it can not bear the static load of suspension; The latter is made up of oil cylinder, piston and orifice valve and accumulator, can bear static load and have certain flexible device, but have the shortcoming that structure is complicated, cost is high.
Summary of the invention
The objective of the invention is to propose a kind of load bearing type damping changing impact damper, it had both overcome common telescopic shock absorber and had not had the defective of bearing the static load ability, had again than habitual hydro-pneumatic spring advantage cheap for manufacturing cost.
Load bearing type damping changing impact damper of the present invention, comprise bitubular oil cylinder that upper end-hole is made up of the inner cylinder tube of guider and sealing seat sealing and outer cylinder with interior outer chamber, be arranged on the piston of cylinder cavity and is connected piston piston rod, be arranged on bottom the inner cylinder tube one-way valve of exocoel in the connection bitubular oil cylinder, be arranged on connection upper and lower cavity on the piston the piston one-way valve, be arranged on the charging air inlet of outer cylinder bottom, be characterized in that described piston one-way valve is the common one-way valve of a no throttle orifice; On described inner cylinder tube lower sides, have the compression damping hole of outer chamber in being communicated with, be provided with static seal between described sealing seat and outer cylinder, be provided with high-pressure seal ring between sealing seat and piston rod.
On the inwall of described inner cylinder tube 7, also be provided with several spiral grooves, with both lubricates, the resistance coefficient in the time of changing different loads again.
Also be provided with the isolation ring plate that floats between oil, aerosphere face in the outer chamber that between described inner cylinder tube and outer cylinder, constitutes.
Load bearing type damping changing impact damper of the present invention, its structure is situated between between common dual-tube shock absorber and the hydro-pneumatic spring.Owing to adopt high pressure seal structure, make it have the ability of the static load of bearing.It can replace the telescopic shock absorber in the conventional suspension, make general-utility car suspension increase bearing capacity and have desirable nonlinear characteristics, be specially adapted to the requirement of development enhancing bearing capacity modification of vehicle (comprise and increase wheelbase or wheelspan) on the basis of basic model automobile.Compare with the traditional oils air spring, its structure, manufacturing process are simple similar to common dual-tube shock absorber, and oil in the shoe cream room and gas are by floating ring plate isolation, thereby cost is cheaper than hydro-pneumatic spring.
Several spiral grooves that this vibration damper inwall has, both lubricates, the resistance coefficient in the time of changing different loads again.The compression damping hole that the inwall bottom of this load bearing type damping changing impact damper has, the compression position-limiting action is played in its damping increase when they are stopped up by piston when compression stroke.
Description of drawings
Fig. 1 is the structure sectional view of load bearing type damping changing impact damper of the present invention.
Embodiment
The embodiment who provides below in conjunction with accompanying drawing describes in further detail structure of the present invention.
With reference to Fig. 1, a kind of load bearing type damping changing impact damper, comprise bitubular oil cylinder that upper end-hole is made up of the inner cylinder tube 7 of guider 4 and sealing seat 2 sealings and outer cylinder 5 with interior outer chamber, be arranged on the piston 12 of cylinder cavity and be connected piston 12 piston rod 9, be arranged on exocoel in the inner cylinder tube 7 bottoms connection bitubular oil cylinder one-way valve 13, be arranged on connection upper and lower cavity on the piston 12 piston one-way valve 14, be arranged on the charging air inlet 11 of outer cylinder 5 bottoms; Described piston one-way valve 14 is common one-way valves of no throttle orifice; Have the compression damping hole of outer chamber in 1 to 10 connection on described inner cylinder tube 7 lower sides, 5 of described sealing seat 2 and outer cylinders are provided with static seal 3, and 9 in sealing seat 2 and piston rod are provided with high-pressure seal ring 8.
On the inwall of described inner cylinder tube 7, also be provided with 1 to 10 spiral grooves 15.
In the outer chamber of described inner cylinder tube 7 and 5 formations of outer cylinder, also be provided with the isolation ring plate 6 that floats between oil, aerosphere face.
Described high-pressure seal ring 8 adopts hard polyaminoester or polytetrafluoroethylmaterial material to make.It is made of plastic to isolate ring plate 6.
1 for being arranged on the connecting ring of piston rod 9 and outer cylinder 5 outer ends shown in the figure.
The high-pressure seal ring of load bearing type damping changing impact damper of the present invention is made by high hardness polyurethane or teflon.Its static load inflation pressure is more much higher than common inflation vibration damper, can reach more than the 10-30 MPa.
This load bearing type damping changing impact damper inwall has several spiral grooves, has both played lubricated anti-attrition effect, the resistance coefficient in the time of changing different loads again.
The compression damping hole of outer chamber in the connection that the inwall bottom of this load bearing type damping changing impact damper has, damping constantly increases and a compression position-limiting action when they are stopped up by piston when compression stroke, to reduce the impact that transmit on the road surface.
This load bearing type damping changing impact damper is formed high pressure oil storage/air storing cavity by outer cylinder 5 and inner cylinder tube 7.Oil wherein and gas, by floating isolation ring plate 6 with oil and air bound from.This floating isolation ring plate does not require positive confinement, but the emulsification of opposing fluid is had positive effect.
With vibration damper of the present invention, be used for the automotive suspension of less one-level, can make the load capacity upgrading of automobile behind the alternative original vibration damper; And can improve former suspension nonlinear characteristics (comprise elasticity non-linear with damping non-linear).
Claims (4)
1. load bearing type damping changing impact damper, comprise that upper end-hole is by the inner cylinder tube (7) of guider (4) and sealing seat (2) sealing and the bitubular oil cylinder with interior outer chamber that outer cylinder (5) is formed, be arranged on the piston (12) of cylinder cavity and the piston rod (9) of connection piston (12), be arranged on the one-way valve (13) that inner cylinder tube (7) bottom is communicated with exocoel in the bitubular oil cylinder, be arranged on piston (12) and go up the piston one-way valve (14) that is communicated with upper and lower cavity, be arranged on the charging air inlet (11) of outer cylinder (5) bottom, it is characterized in that described piston one-way valve (14) is the one-way valve of no throttle orifice; On described inner cylinder tube (7) lower sides, have the compression damping hole of outer chamber in being communicated with, be provided with static seal (3) between described sealing seat (2) and outer cylinder (5), be provided with high-pressure seal ring (8) between sealing seat (2) and piston rod (9).
2. load bearing type damping changing impact damper according to claim 1 is characterized in that also being provided with spiral grooves (15) on the inwall of described inner cylinder tube (7).
3. load bearing type damping changing impact damper according to claim 1 also is provided with the isolation ring plate (6) that floats between oil, aerosphere face in the outer chamber that it is characterized in that constituting between described inner cylinder tube (7) and outer cylinder (5).
4. load bearing type damping changing impact damper according to claim 1 is characterized in that adopting hard polyaminoester or polytetrafluoroethylmaterial material to make at described high-pressure seal ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710056382XA CN101178107A (en) | 2007-12-05 | 2007-12-05 | Load bearing type damping changing impact damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710056382XA CN101178107A (en) | 2007-12-05 | 2007-12-05 | Load bearing type damping changing impact damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101178107A true CN101178107A (en) | 2008-05-14 |
Family
ID=39404472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710056382XA Pending CN101178107A (en) | 2007-12-05 | 2007-12-05 | Load bearing type damping changing impact damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101178107A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032509A (en) * | 2011-09-29 | 2013-04-10 | 上海汽车集团股份有限公司 | Double-drum type hydraulic damper for leakage-proof oil can |
| CN104500637A (en) * | 2014-11-26 | 2015-04-08 | 长春轨道客车股份有限公司 | Leak-free hydraulic shock absorber |
| CN105508341A (en) * | 2015-12-18 | 2016-04-20 | 广西大学 | Time delay piston device |
| CN109322959A (en) * | 2018-11-12 | 2019-02-12 | 袁晓斌 | A kind of damper |
| CN109555807A (en) * | 2018-12-26 | 2019-04-02 | 浙江戈尔德减振器股份有限公司 | Single cylinder double-piston hydraulic damping device |
| CN111120563A (en) * | 2020-01-21 | 2020-05-08 | 孙博坤 | A kind of oil and gas separation type three-chamber no-empty automobile shock absorber |
| CN117212379A (en) * | 2023-10-25 | 2023-12-12 | 北京星光凯明智能装备有限公司 | Bidirectional buffering actuator cylinder guiding device and guiding buffering method |
| CN117869513A (en) * | 2022-11-28 | 2024-04-12 | 江苏科彦汽车配件有限公司 | A split high damping shock absorber for motor vehicle |
-
2007
- 2007-12-05 CN CNA200710056382XA patent/CN101178107A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032509A (en) * | 2011-09-29 | 2013-04-10 | 上海汽车集团股份有限公司 | Double-drum type hydraulic damper for leakage-proof oil can |
| CN103032509B (en) * | 2011-09-29 | 2015-08-26 | 上海汽车集团股份有限公司 | Oil-leakage-prevention double barreled fluid power snubber for car |
| CN104500637A (en) * | 2014-11-26 | 2015-04-08 | 长春轨道客车股份有限公司 | Leak-free hydraulic shock absorber |
| CN105508341A (en) * | 2015-12-18 | 2016-04-20 | 广西大学 | Time delay piston device |
| CN109322959A (en) * | 2018-11-12 | 2019-02-12 | 袁晓斌 | A kind of damper |
| CN109322959B (en) * | 2018-11-12 | 2024-06-04 | 袁晓斌 | Shock absorber |
| CN109555807A (en) * | 2018-12-26 | 2019-04-02 | 浙江戈尔德减振器股份有限公司 | Single cylinder double-piston hydraulic damping device |
| CN111120563A (en) * | 2020-01-21 | 2020-05-08 | 孙博坤 | A kind of oil and gas separation type three-chamber no-empty automobile shock absorber |
| CN117869513A (en) * | 2022-11-28 | 2024-04-12 | 江苏科彦汽车配件有限公司 | A split high damping shock absorber for motor vehicle |
| CN117212379A (en) * | 2023-10-25 | 2023-12-12 | 北京星光凯明智能装备有限公司 | Bidirectional buffering actuator cylinder guiding device and guiding buffering method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101178107A (en) | Load bearing type damping changing impact damper | |
| US12115826B2 (en) | Gas spring assembly for a vehicle suspension system | |
| US12246572B1 (en) | Load dependent damper for a vehicle suspension system | |
| CN105972138B (en) | A kind of two-stage pressure type hydro-pneumatic spring and its method of work | |
| CN104613123B (en) | A two-stage pressure oil-gas spring and its working method | |
| JP6595831B2 (en) | Suspension device and accumulator | |
| US20090033009A1 (en) | Self-pumping hydropneumatic spring-damper unit | |
| CN110206842A (en) | A kind of single cylinder cylinder double chamber hydragas spring | |
| US8813925B2 (en) | Hydropneumatic suspension unit | |
| JP2009014019A (en) | Shock absorber | |
| CN201159258Y (en) | Load bearing type damping changing impact damper | |
| CN103089890A (en) | Hydraulic shock absorber | |
| CN113858904A (en) | Hydraulic suspension system and automobile | |
| CN106704442B (en) | Hydro-pneumatic spring | |
| CN206770497U (en) | A kind of shock absorber structure for automobile | |
| CN102359528B (en) | Hydropneumatic spring of automotive suspension system | |
| CN2854204Y (en) | Oil-gas spring of heavy cross-country vehicle | |
| CN110206843A (en) | A kind of twin-tub cylinder double chamber hydragas spring | |
| CN105134855A (en) | Novel oil-gas damper | |
| CN102174948A (en) | Decoupling-type constant-pressure oil chamber double-cylinder pneumatic spring | |
| CN205064675U (en) | Single piston rod double -cylinder section of thick bamboo oil/gas spring jar | |
| CN118912135A (en) | Double-valve parallel-arranged double external electromagnetic valve type electric control shock absorber | |
| CN204647127U (en) | Combined type spring-damper | |
| CN108488297A (en) | A kind of hydro-pneumatic spring | |
| DE10327485A1 (en) | Active pneumatic spring system for vehicle suspension systems comprises a spring element with a chamber filled with a gas which is compressible/decompressible by means of a separated, controllable liquid medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20080514 |