CN201487113U - damper - Google Patents
damper Download PDFInfo
- Publication number
- CN201487113U CN201487113U CN2009201283093U CN200920128309U CN201487113U CN 201487113 U CN201487113 U CN 201487113U CN 2009201283093 U CN2009201283093 U CN 2009201283093U CN 200920128309 U CN200920128309 U CN 200920128309U CN 201487113 U CN201487113 U CN 201487113U
- Authority
- CN
- China
- Prior art keywords
- ring
- rivet
- high pressure
- pressure resistant
- fuel tank
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a damper, which is characterized in that a high pressure resistant oil seal is mounted at the oil cavity end of an oil storage cylinder for sealing the oil cavity end, a bottom cover is fixed at the gas cavity end of the oil storage cylinder for sealing the gas cavity. An air inlet port is formed on the bottom cover and sealed through a rivet, an inlet duct is arranged on the surface of a rivet rod, and after a lower hoisting ring and the bottom cover are fixed in a full-length welding manner, the rivet is covered fully. A seal ring and an oil scraping ring are arranged between the high pressure resistant oil seal and a guiding seat. The utility model has the advantages that even if the rivet is loose, the gas filled in a shock absorber can not leaks, thereby achieving reliable seal of the gas cavity. The seal ring can reduce the impaction of a working cavity on the high pressure resistant oil seal during working process, thereby prolonging the service life of the high pressure resistant oil seal.
Description
Technical field
The utility model relates to a kind of damper, and this damper mainly uses in the face of the four-wheel wagon vibration damper.
Background technique
Damper is the core of vibration damper, and for vibration damper provides damping force, its quality directly determines the performance of vibration damper.Existing a kind of damper structure as shown in Figure 1, he comprises fuel tank 1, connecting rod 2, high pressure resistant oil sealing 3, guide holder 4, floating piston combination 5, spacing pad 6, bottom 7 and lower lift ring 8, floating piston combination 5 is positioned at fuel tank 1, fuel tank 1 inner chamber is divided into separate air chamber 9 and fluid chamber 10, high pressure resistant oil sealing 3 is installed in fuel tank 1 that end of fluid chamber should hold sealing, connecting rod 2 passes from fluid chamber 10 by guide holder 4 and high pressure resistant oil sealing 3, and guide holder 4 is provided with spill port 11.Bottom 7 is welded on that end of fuel tank 1 air chamber with air chamber 9 sealings, and lower lift ring 8 is fixing with welding manner and bottom 7 again.Be provided with an oblique shoulder hole in bottom 7 sides, be pressed into rubber stopper 17 in the shoulder hole, syringe needle inserts rubber stopper and enters air chamber, inject the gas (nitrogen) of authorized pressure to air chamber by injector, extract to twist by screw 18 again behind the syringe needle and are connected in the shoulder hole, rubber stopper 17 is compressed by screw 18.
Existing this gas injecting structure has the following disadvantages: 1, the oblique screw thread processing difficulties of shoulder hole inwall; 2, because vehicle jolting of can occurring under steam that intensity do not wait, it is moving screw may to be shaken up, even comes off.In order to prevent this from occurring, existing method normally on screw spreading glue be screwed in the shoulder hole again, but the time grown still and may come off, thereby tightness is exerted an influence; 3, sealing is simple between floating piston combination and the fuel tank, just is provided with the O RunddichtringO on piston body, and is not good enough to the sealing effect in air chamber and fluid chamber.
In addition, the oil pressure between high pressure resistant oil sealing and the guide holder is very big, can directly produce high pressure resistant oil sealing to impact, and not only influences its working life, also influences reliable sealing.
The model utility content
At the prior art above shortcomings, the purpose of this utility model provide the sealing of a kind of air chamber reliable, can improve high pressure resistant oil sealing life-span and air chamber and fluid chamber and seal better damper.
The purpose of this utility model is achieved in that a kind of damper, comprise fuel tank, connecting rod, high pressure resistant oil sealing, guide holder, the floating piston combination, bottom and lower lift ring, the floating piston combination is divided into separate air chamber and fluid chamber with the fuel tank inner chamber, high pressure resistant oil sealing is installed in that end of fuel tank fluid chamber should hold sealing, bottom is fixed on that end of fuel tank air chamber air chamber is sealed, lower lift ring and bottom are fixed, it is characterized in that: described bottom is provided with axial inlet hole, inlet hole seals by rivet, be provided with intake duct on the rivet bar surface, after lower lift ring and bottom are fixing rivet covered fully.
Described inlet hole is a shoulder hole, and rivet head is against on the shoulder hole step, and the lower lift ring locating stud is positioned at shoulder hole, and lower lift ring and bottom full weld are fixed.
Further, be provided with seal ring and scraper ring between high pressure resistant oil sealing and guide holder, scraper ring is positioned at the seal ring inboard, and seal ring and scraper ring tightly are enclosed within on the connecting rod.
Described floating piston combination comprises piston body, is provided with the opposite y-type seal ring of both direction between piston body and fuel tank, and two y-type seal ring end faces are spacing by collar and piston body coiled hair respectively.
The utility model gas enters air chamber by the intake duct on rivet bar surface, again rivet is compressed the inlet hole on the bottom is stopped up, even rivet has loosening, owing to after lower lift ring and bottom full weld are fixing rivet is covered fully, therefore the gas that charges in the vibration damper can not leak yet, and has realized the air chamber reliable sealing.
In addition, when the seal ring of setting up between high pressure resistant oil sealing and guide holder can reduce work active chamber to the impact of high pressure resistant oil sealing, thereby improve high pressure resistant oil sealing working life.And scraper ring can be with link motion the time shock absorber fluid on surface scrape, flow into the fuel tank chamber by the spill port on the guide holder, thereby alleviate the sealing load of y-type seal ring, further protect high pressure resistant oil sealing.
Floating piston combination after the improvement is blanket gas body cavity and fluid chamber separately, has strengthened sealing effect.
Description of drawings
Fig. 1-prior art structural representation;
Fig. 2-the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Referring to Fig. 2, from the figure as can be seen, the utility model damper comprises fuel tank 1, connecting rod 2, high pressure resistant oil sealing 3, guide holder 4, floating piston combination 5, spacing pad 6, bottom 7 and lower lift ring 8, and floating piston combination 5 is divided into separate air chamber 9 and fluid chamber 10 with the fuel tank inner chamber.High pressure resistant oil sealing 3 is installed in that end of fuel tank fluid chamber should hold sealing, guide holder 4 is located in the fluid chamber 10, guide holder 4 is provided with spill port 11, and connecting rod 2 one ends are connected with piston sub-assembly 12, and the other end passes guide holder 4 pilot holes and high pressure resistant oil sealing 3 center holes pass from fluid chamber 10.Bottom 7 is fixed on that end of fuel tank 1 air chamber with air chamber 9 sealings, and spacing pad 6 is positioned at air chamber 9 can limit floating piston combination 5 FROM to the right, and lower lift ring 8 is fixing with bottom 7.Be provided with axial inlet hole on bottom 7, described inlet hole is a shoulder hole, and inlet hole is provided with some intake ducts by rivet 13 sealings on the rivet bar surface, and rivet head is against on the shoulder hole step.Lower lift ring locating stud 14 is positioned at shoulder hole, and lower lift ring 8 covers rivet 13 after fixing with bottom 7 full welds fully.
Be provided with seal ring 15 (Y type) and scraper ring 16 between high pressure resistant oil sealing 3 and guide holder 4, scraper ring 16 is positioned at y-type seal ring 15 inboards, and y-type seal ring 15 and scraper ring 16 tightly are enclosed within on the connecting rod 2.Active chamber was to the impact of high pressure resistant oil sealing when y-type seal ring 15 can reduce work, thereby improved 3 working lifes of high pressure resistant oil sealing.When connecting rod 2 to the diagram left to when motion; junction plane at connecting rod 2 and guide holder 4 can be taken a little fluid out of; and this moment, scraper ring 16 also can be moved to the left; up to being against on guide holder 4 end faces; thereby the spill port on the guide holder 11 is exposed, and a little fluid that connecting rod is taken out of is scraped by scraper ring, flows into the fuel tank chamber by the spill port on the guide holder; thereby alleviate the sealing load of y-type seal ring, further protect high pressure resistant oil sealing.
Combination improves the utility model to existing floating piston simultaneously, is provided with the both direction y-type seal ring of opposite (back-to-back) between the piston body of floating piston combination and fuel tank, and two y-type seal ring end faces are spacing by collar and piston body coiled hair respectively.Floating piston combination after the improvement is blanket gas body cavity and fluid chamber separately, has strengthened sealing effect.
Rivet is contained in advance in the inlet hole on the bottom but does not compress during inflation, and under the connection of rivet bar surface intake duct, air chamber and ambient atmosphere communicate.Use special-purpose charger by intake duct to the gas interacvity air-filling, when air pressure reaches setting value, stop inflation, charger that simultaneously should special use pushes away rivet automatically inward, rivet head is with the inlet hole capping.Then lower lift ring is installed on the bottom by the locating stud on it, and lower lift ring and bottom is fixed by the mode of full weld.Even rivet has looseningly like this, because lower lift ring and bottom full weld cover rivet after fixing fully, so the gas that charges in the vibration damper can not leak yet, and realized the air chamber reliable sealing.
Claims (4)
1. damper, comprise fuel tank (1), connecting rod (2), high pressure resistant oil sealing (3), guide holder (4), floating piston combination (5), bottom (7) and lower lift ring (8), floating piston combination (5) is divided into separate air chamber (9) and fluid chamber (10) with fuel tank (1) inner chamber, high pressure resistant oil sealing (3) is installed in that end of fuel tank (1) fluid chamber should hold sealing, bottom (7) is fixed on that end of fuel tank (1) air chamber air chamber is sealed, lower lift ring (8) is fixing with bottom (7), it is characterized in that: described bottom (7) is provided with axial inlet hole, inlet hole is by rivet (13) sealing, be provided with intake duct on the rivet bar surface, lower lift ring (8) covers rivet (13) after fixing with bottom (7) fully.
2. damper according to claim 1 is characterized in that: described inlet hole is a shoulder hole, and rivet head is against on the shoulder hole step, and lower lift ring locating stud (14) is positioned at shoulder hole, and lower lift ring (8) is fixed with bottom (7) full weld.
3. damper according to claim 1 and 2, it is characterized in that: be provided with seal ring (15) and scraper ring (16) between described high pressure resistant oil sealing (3) and the guide holder (4), scraper ring (16) is positioned at seal ring (15) inboard, and seal ring (15) and scraper ring (16) tightly are enclosed within on the connecting rod (2).
4. damper according to claim 3, it is characterized in that: described floating piston combination (5) comprises piston body, be provided with the opposite y-type seal ring of both direction between piston body and fuel tank (1), two y-type seal ring end faces are spacing by collar and piston body coiled hair respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201283093U CN201487113U (en) | 2009-08-03 | 2009-08-03 | damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201283093U CN201487113U (en) | 2009-08-03 | 2009-08-03 | damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201487113U true CN201487113U (en) | 2010-05-26 |
Family
ID=42425992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201283093U Expired - Lifetime CN201487113U (en) | 2009-08-03 | 2009-08-03 | damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201487113U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900180A (en) * | 2010-07-27 | 2010-12-01 | 烟台润蚨祥油封有限公司 | Sealing device for high-pressure shock absorber of automobile |
| CN102278408A (en) * | 2011-05-05 | 2011-12-14 | 江苏大学 | Coaxial integrated air spring absorber with linkage and controllable rigidity and damping |
| CN104482104A (en) * | 2014-12-22 | 2015-04-01 | 芜湖天佑汽车技术有限公司 | Damper inflating and oil-injecting tool and inflating and oil-injecting method |
| CN106246794A (en) * | 2016-08-26 | 2016-12-21 | 常州市莱特气弹簧有限公司 | The air-leg of two cell structures |
| CN110360262A (en) * | 2019-05-27 | 2019-10-22 | 宁波雷奥自动化设备有限公司 | A kind of liquid filling packaging mechanism and liquid filling packaging method assembling hydraulic mount |
| CN110701239A (en) * | 2019-10-21 | 2020-01-17 | 重庆大学 | Novel vibration reduction and buffering integrated device |
-
2009
- 2009-08-03 CN CN2009201283093U patent/CN201487113U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900180A (en) * | 2010-07-27 | 2010-12-01 | 烟台润蚨祥油封有限公司 | Sealing device for high-pressure shock absorber of automobile |
| CN102278408A (en) * | 2011-05-05 | 2011-12-14 | 江苏大学 | Coaxial integrated air spring absorber with linkage and controllable rigidity and damping |
| CN102278408B (en) * | 2011-05-05 | 2013-04-17 | 江苏大学 | Coaxial integrated air spring absorber with linkage and controllable rigidity and damping |
| CN104482104A (en) * | 2014-12-22 | 2015-04-01 | 芜湖天佑汽车技术有限公司 | Damper inflating and oil-injecting tool and inflating and oil-injecting method |
| CN106246794A (en) * | 2016-08-26 | 2016-12-21 | 常州市莱特气弹簧有限公司 | The air-leg of two cell structures |
| CN110360262A (en) * | 2019-05-27 | 2019-10-22 | 宁波雷奥自动化设备有限公司 | A kind of liquid filling packaging mechanism and liquid filling packaging method assembling hydraulic mount |
| CN110701239A (en) * | 2019-10-21 | 2020-01-17 | 重庆大学 | Novel vibration reduction and buffering integrated device |
| CN110701239B (en) * | 2019-10-21 | 2021-07-20 | 重庆大学 | Vibration damping and buffering integrated device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chongqing yuan Shock Absorber Co. Ltd. Assignor: Chongqing Xiaokang Automotive Industry (Group) Co., Ltd. Contract record no.: 2010500000040 Denomination of utility model: Comprehensive performance testing device for damper Granted publication date: 20100526 License type: Exclusive License Record date: 20100830 |
|
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING XIAOKANG AUTOMOBILE GROUP CO., LTD. Free format text: FORMER OWNER: CHONGQING XIAOKANG AUTOMOBILE INDUSTRY (GROUP) CO., LTD. Effective date: 20110330 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 400033 NO. 2, JINGXI ROAD, JINGKOU TOWN, SHAPINGBA DISTRICT, CHONGQING CITY TO: 400037 NO. 61-1, JINQIAO ROAD, SHAPINGBA DISTRICT, CHONGQING CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110330 Address after: 400037 No. 61-1 Jinqiao Road, Shapingba District, Chongqing Patentee after: Chongqing Sokon Automobile Group Co., Ltd. Address before: 400033, No. 2 ho Xi Road, wellhead Town, Shapingba District, Chongqing Patentee before: Chongqing Xiaokang Automotive Industry (Group) Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: CHONGQING SOKON INDUSTRIAL GROUP CO., LTD. Free format text: FORMER NAME: CHONGQING SOKON AUTOMOBILE GROUP CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 400037 No. 61-1 Jinqiao Road, Shapingba District, Chongqing Patentee after: Chongqing Xiaokang Industry Group Co., Ltd. Address before: 400037 No. 61-1 Jinqiao Road, Shapingba District, Chongqing Patentee before: Chongqing Sokon Automobile Group Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100526 |