CN201487113U - damper - Google Patents

damper Download PDF

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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
pressure resistant
fuel tank
sealing
Prior art date
Application number
CN2009201283093U
Other languages
Chinese (zh)
Inventor
张建
刘锦亮
张兴海
Original Assignee
重庆小康汽车产业(集团)有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 重庆小康汽车产业(集团)有限公司 filed Critical 重庆小康汽车产业(集团)有限公司
Priority to CN2009201283093U priority Critical patent/CN201487113U/en
Application granted granted Critical
Publication of CN201487113U publication Critical patent/CN201487113U/en

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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

A kind of damper
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.
CN2009201283093U 2009-08-03 2009-08-03 damper CN201487113U (en)

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 CN201487113U (en) 2009-08-03 2009-08-03 damper

Country Status (1)

Country Link
CN (1) CN201487113U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
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

Cited By (7)

* Cited by examiner, † Cited by third party
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

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
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

COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 400033 NO. 2, JINGXI ROAD, JINGKOU TOWN, SHAPINGBA DISTRICT, CHONGQING CITYTO: 400037 NO. 61-1, JINQIAO ROAD, SHAPINGBA DISTRICT, CHONGQING CITY

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.

C41 Transfer of patent application or patent right or utility model
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

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