CN102927193B - A kind of vehicle shock absorber - Google Patents
A kind of vehicle shock absorber Download PDFInfo
- Publication number
- CN102927193B CN102927193B CN201210428643.7A CN201210428643A CN102927193B CN 102927193 B CN102927193 B CN 102927193B CN 201210428643 A CN201210428643 A CN 201210428643A CN 102927193 B CN102927193 B CN 102927193B
- Authority
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- China
- Prior art keywords
- vibroshock
- piston
- dust guard
- cylinder
- flexible part
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- 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.)
- Expired - Fee Related
Links
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 18
- 230000035939 shock Effects 0.000 title claims abstract description 15
- 239000000428 dust Substances 0.000 claims abstract description 45
- 239000003921 oil Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 3
- 230000002950 deficient Effects 0.000 claims description 2
- 235000003642 hunger Nutrition 0.000 claims description 2
- 239000010687 lubricating oil Substances 0.000 claims description 2
- 230000037351 starvation Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007257 malfunction Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000013016 damping Methods 0.000 description 10
- 239000000725 suspension Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of vehicle shock absorber, including damper cylinder, piston component, potted component, upper connection installing hole and lower connection installing hole, a described piston part is arranged in described cylinder, described damper cylinder and described piston junction are provided with potted component, described vibroshock is additionally provided with dust guard, and described dust guard is made up of flexible part and rigid portion.Use technical scheme provided by the present invention, it is possible to effective solution open dust cover of the prior art is had dust or silt and is deposited on oil sealing and piston rod by lower openings, causes the scuffing of piston rod and oil sealing, causes leakage of oil, thus reduce service life；Cause vibroshock hair fastener, time serious, vibroshock cisco unity malfunction will be made, the technical problem such as comfort property largely effecting on car load, the most also there is good dustproof effect, the advantages such as service life is long, low cost of manufacture, good operating stability.
Description
Technical field
The invention belongs to Manufacturing Technology for Automotive Parts field, specifically, relate to a kind of vehicle shock absorber.
Background technology
At present, widely used vibroshock in automobile suspension system.Its principle is, when vehicle frame and vehicle bridge do reciprocal relative movement piston move back and forth in the cylinder barrel of vibroshock time, the fluid in damper shelf body flows into another inner chamber from inner chamber by some narrow holes the most repeatedly.Now, liquid just forms the damping force to vibration with the friction of inwall and the internal friction of fluid molecule.
For providing the comfortableness of vehicle, automobile chassis system all uses vibroshock to carry out damping, buffering, vibroshock suspension system produces vibration owing to flexible member is hit, for improving vehicle running smoothness, suspension is installed in parallel vibroshock with flexible member, for decay vibration, automobile suspension system use vibroshock be mostly hydraulic shock absorber.Now friction and the intermolecular internal friction of fluid between hole wall and fluid form damping force to vibration, make automobile vibrational energy be converted into fluid heat energy, then are dispersed in air by shock absorber.Oil passage cross section and etc. factor constant time, damping force is with the speed of related movement increase and decrease between vehicle frame and vehicle bridge (or wheel), and relevant with oil viscosity.Vibroshock and flexible member carry the task of buffer and vibration damping, and damping force is excessive, and suspension flexibility will be made to degenerate, and even makes vibroshock connector damage.Because of face flexible member to be regulated and this contradiction of vibroshock.(1) compression travel (vehicle bridge and vehicle frame are close to each other), absorber damping force is less, in order to give full play to the elastic reaction of flexible member, relaxes impact.At this moment, flexible member plays a major role.(2) in suspension extension stroke (vehicle bridge and vehicle frame are located remotely from each other), absorber damping force should be big, rapid vibration damping.(3) when vehicle bridge (or wheel) and interaxle relative velocity are excessive, it is desirable to vibroshock can strengthen flow quantity automatically, within making damping force remain at certain limit, to avoid bearing excessive shock loading.
In the middle of existing suspension system, the effect of vibroshock is particularly significant, dust-proof for vibroshock also seems the most necessary, general vibroshock is fitted with dust cover, the dust cover of rear shock absorber of the prior art be open (non-vibroshock and spring are integrated), i.e. dust cover bottom be exploitation, have certain gap with outer barrel of absorber, therefore, there is many technical problems in shock absorber dirt shield of the prior art:
1, using open due to dust cover of the prior art, open dust cover is had dust or silt and is deposited on oil sealing and piston rod by lower openings, causes the scuffing of piston rod and oil sealing, causes leakage of oil, thus reduces service life.
2, use open due to dust cover of the prior art, cause vibroshock hair fastener, time serious, vibroshock cisco unity malfunction will be made, and largely effect on the comfort property of car load.
3, when the many degree of vibroshock of the prior art shrink, often result in dust cover and extrude for a long time and damage.
Summary of the invention
The technical problem to be solved is, owing to dust cover of the prior art uses open, certain gap is had with outer barrel of absorber, open dust cover is had dust or silt and is deposited on oil sealing and piston rod by lower openings, cause the scuffing of piston rod and oil sealing, cause leakage of oil, thus reduce service life；Causing vibroshock hair fastener, time serious, will make vibroshock cisco unity malfunction, and largely effect on the comfort property of car load, dust cover extrudes and the technical problems such as damage for a long time, and provides a kind of vehicle shock absorber.
The technology design of the present invention is, for solving above-mentioned vehicle shock absorber leakage of oil, hair fastener, reduction service life, cisco unity malfunction lamp technical problem, and design a kind of novel damper means, damper means includes the dust guard combined by a weak portion with firm portion, remove and install conveniently, can effectively carry out dustproof effect, reduce damper leakage and cause the probability lost efficacy.
Technical scheme provided by the present invention is, a kind of vehicle shock absorber, including damper cylinder, piston component, potted component, upper connection installing hole and lower connection installing hole, a described piston part is arranged in described cylinder, described damper cylinder and described piston junction are provided with potted component, described vibroshock is additionally provided with dust guard, and described dust guard is made up of flexible part and rigid portion.
Described dust guard is arranged in the upper end of described damper cylinder, the periphery of described piston component in described dust guard parcel.
Described dust guard flexible part is provided with some folds, and the upper end of described flexible part is provided with closing-in structure.
Described piston component includes that piston rod draw-in groove, described piston rod draw-in groove are arranged in the connecting shaft bottom that vibroshock is connected with car body.
The closing in of described dust guard flexible part is installed with described piston rod card slot fit, and described flexible part is closed up and is fixed in described piston rod draw-in groove by clip.
Described dust guard rigid portion is a cylinder, and described cylinder is connected with described damper cylinder top suit.
Being provided with sliding ring between described cylinder and described damper cylinder, the inner surface of described cylinder lower end is provided with seal groove, and described sliding ring is fixed in described seal groove.
The flexible part of described dust guard is connected with described rigid portion, and described rigid portion upper end is provided with link slot.
Described flexible part lower end is fixed in the link slot of described rigid portion by clip.
Described piston component includes piston rod draw-in groove,.
Use technical scheme provided by the present invention, it is possible to effective solution open dust cover of the prior art is had dust or silt and is deposited on oil sealing and piston rod by lower openings, causes the scuffing of piston rod and oil sealing, causes leakage of oil, thus reduce service life；Cause vibroshock hair fastener, time serious, vibroshock cisco unity malfunction will be made, largely effecting on the comfort property of car load, dust cover to extrude and the technical problems such as damage for a long time, the most also have good dustproof effect, service life is long, low cost of manufacture, the advantage such as good operating stability.
Accompanying drawing explanation
In conjunction with accompanying drawing, the present invention is further illustrated:
Fig. 1 is present configuration schematic diagram；
Wherein, 1 is flexible part；2 is rigid portion；3 is damper cylinder；4 is piston.
Detailed description of the invention
As shown in Figure 1, technical scheme provided by the present invention is, a kind of vehicle shock absorber, including damper cylinder 3, piston component, potted component, upper connection installing hole and lower connection installing hole, described piston 4 part is arranged in described cylinder, described damper cylinder 3 is provided with potted component with described piston 4 junction, and described vibroshock is additionally provided with dust guard, and described dust guard is made up of flexible part 1 and rigid portion 2.Described dust guard is arranged in the upper end of described damper cylinder 3, the periphery of described piston component in described dust guard parcel.Described dust guard flexible part 1 is provided with some folds, and the upper end of described flexible part 1 is provided with closing-in structure.Described piston component includes that piston 4 bar draw-in groove, described piston 4 bar draw-in groove are arranged in the connecting shaft bottom that vibroshock is connected with car body.The closing in of described dust guard flexible part 1 is installed with described piston 4 bar card slot fit, and described flexible part 1 is closed up and is fixed in described piston 4 bar draw-in groove by clip.Described dust guard rigid portion 2 is a cylinder, and described cylinder is connected with described damper cylinder 3 top suit.Being provided with sliding ring between described cylinder and described damper cylinder 3, the inner surface of described cylinder lower end is provided with seal groove, and described sliding ring is fixed in described seal groove.The flexible part 1 of described dust guard is connected with described rigid portion 2, and described rigid portion 2 upper end is provided with link slot.Described flexible part 1 lower end is fixed in the link slot of described rigid portion 2 by clip.
Vibroshock is the rapid wear accessory during automobile uses, vibroshock work quality, will directly affect the stationarity of running car and the life-span of other parts, and therefore we should make vibroshock often in good working order.The work of available following method inspection vibroshock is the best.
Making automobile stop after travelling 10km on the poor road surface of road conditions, touch vibroshock shell with hands, if the hottest, non-resistance inside vibroshock be described, vibroshock does not works.Now, suitable lubricating oil can be added, then test, if shell heating, then be the internal oil starvation of vibroshock, oil should be filled up；Otherwise, defective shock absorber is described.
In vibroshock installation process, the most handy metal weight taps vibroshock cylinder barrel surface, firmly pulls the dust cover of vibroshock outside weldings.The vibroshock of tapering rubber blanket vibration isolation, application backing plate is used to be pushed down by the tapering rubber blanket section that suspension ring two ends endoporus assembles.3. must not damage in installation process should be by car load regulation torque requirement by connecting portion screwed tight after equipped rubber parts surface (such as cushion collar combination etc.) the 4. vibroshock of vibroshock is installed, guarantee that connecting portion fastening is reliable, non-loosening, and antirust paint should be coated with at fastening position.
Above example is only in order to illustrate rather than restriction, although the present invention being described in detail with reference to preferred embodiment, it will be understood by those within the art that, the present invention is modified or equivalent, without departing from the spirit and scope of the present invention, it all should be contained in the middle of scope of the presently claimed invention.
Claims (1)
1. check the method that vibroshock work is the best for one kind, institute's vibroshock includes damper cylinder (3), piston component, potted component, upper connection installing hole and lower connection installing hole, it is internal that described piston (4) part is arranged in described damper cylinder (3), described damper cylinder (3) and described piston (4) junction are provided with potted component, described vibroshock is additionally provided with dust guard, and described dust guard is made up of flexible part (1) and rigid portion (2)；Described dust guard is arranged in the upper end of described damper cylinder (3), the periphery of described piston component in described dust guard parcel；Described dust guard flexible part (1) is provided with some folds, and the upper end of described flexible part (1) is provided with closing-in structure；Described piston component includes that piston (4) bar draw-in groove, described piston (4) bar draw-in groove are arranged in the connecting shaft bottom that vibroshock is connected with car body；The closing in of described dust guard flexible part (1) is installed with described piston (4) bar card slot fit, and described flexible part (1) is closed up and is fixed in described piston (4) bar draw-in groove by clip；Described dust guard rigid portion (2) is a cylinder, and described cylinder is connected with described damper cylinder (3) top suit；Being provided with sliding ring between described cylinder and described damper cylinder (3), the inner surface of described cylinder lower end is provided with seal groove, and described sliding ring is fixed in described seal groove；The flexible part (1) of described dust guard is connected with described rigid portion (2), and described rigid portion (2) upper end is provided with link slot；Described flexible part (1) lower end is fixed in the link slot of described rigid portion (2) by clip；
The method step checking vibroshock work the best is as follows:
Make automobile stop after travelling 10km on the poor road surface of road conditions, touch vibroshock shell with hands, if the hottest, non-resistance inside vibroshock be described, vibroshock does not works, and now, adds suitable lubricating oil, then tests, if shell generates heat, then it is the internal oil starvation of vibroshock, oil should be filled up；Otherwise, defective shock absorber is described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210428643.7A CN102927193B (en) | 2012-10-31 | 2012-10-31 | A kind of vehicle shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210428643.7A CN102927193B (en) | 2012-10-31 | 2012-10-31 | A kind of vehicle shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102927193A CN102927193A (en) | 2013-02-13 |
| CN102927193B true CN102927193B (en) | 2016-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210428643.7A Expired - Fee Related CN102927193B (en) | 2012-10-31 | 2012-10-31 | A kind of vehicle shock absorber |
Country Status (1)
| Country | Link |
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| CN (1) | CN102927193B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882541A (en) * | 2018-12-30 | 2019-06-14 | 珠海市广源信科技有限公司 | A kind of combined shock absorber |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87203523U (en) * | 1987-03-14 | 1988-02-24 | 罗良祖 | High energy-accumulating vibration-damper for vehicles |
| DE19644239A1 (en) * | 1996-10-24 | 1998-04-30 | Mannesmann Sachs Ag | End cap for vibration damper |
| CN2856578Y (en) * | 2005-12-27 | 2007-01-10 | 重庆长安汽车股份有限公司 | Autocar rear strat dust-proof cover |
| CN201786983U (en) * | 2010-07-23 | 2011-04-06 | 常州朗锐凯迩必减振技术有限公司 | Protective structure of locomotive oil damper |
| CN202451691U (en) * | 2012-01-11 | 2012-09-26 | 长沙市比亚迪汽车有限公司 | Dust cover of damper |
| CN203130888U (en) * | 2012-10-31 | 2013-08-14 | 芜湖市顺昌汽车配件有限公司 | Automobile shock absorber |
-
2012
- 2012-10-31 CN CN201210428643.7A patent/CN102927193B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87203523U (en) * | 1987-03-14 | 1988-02-24 | 罗良祖 | High energy-accumulating vibration-damper for vehicles |
| DE19644239A1 (en) * | 1996-10-24 | 1998-04-30 | Mannesmann Sachs Ag | End cap for vibration damper |
| CN2856578Y (en) * | 2005-12-27 | 2007-01-10 | 重庆长安汽车股份有限公司 | Autocar rear strat dust-proof cover |
| CN201786983U (en) * | 2010-07-23 | 2011-04-06 | 常州朗锐凯迩必减振技术有限公司 | Protective structure of locomotive oil damper |
| CN202451691U (en) * | 2012-01-11 | 2012-09-26 | 长沙市比亚迪汽车有限公司 | Dust cover of damper |
| CN203130888U (en) * | 2012-10-31 | 2013-08-14 | 芜湖市顺昌汽车配件有限公司 | Automobile shock absorber |
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| Publication number | Publication date |
|---|---|
| CN102927193A (en) | 2013-02-13 |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20201230 Address after: 233000 Anhui Bengbu Wuhe County Economic Development Zone Industrial Acceleration Center 3, 4 level Patentee after: WUHE ZHIKAI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 241009 No.12 Huaihai Road, Wuhu Economic and Technological Development Zone, Anhui Province Patentee before: WUHU SHUNCHANG AUTO PARTS Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210120 Address after: 343000 No.78, shangtulong, guobu village, Baijia Town, Wan'an County, Ji'an City, Jiangxi Province Patentee after: Yan Xiaohu Address before: 233000 Anhui Bengbu Wuhe County Economic Development Zone Industrial Acceleration Center 3, 4 level Patentee before: WUHE ZHIKAI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
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Effective date of registration: 20210308 Address after: 215500 Dongxu Avenue, DONGBANG Town, Changshu City, Suzhou City, Jiangsu Province Patentee after: Changshu DONGBANG Technology Venture Capital Development Co.,Ltd. Address before: 343000 No.78, shangtulong, guobu village, Baijia Town, Wan'an County, Ji'an City, Jiangxi Province Patentee before: Yan Xiaohu |
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| 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: 20161207 Termination date: 20211031 |