CN101749357A - Floating ring - Google Patents

Floating ring Download PDF

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Publication number
CN101749357A
CN101749357A CN200810243146A CN200810243146A CN101749357A CN 101749357 A CN101749357 A CN 101749357A CN 200810243146 A CN200810243146 A CN 200810243146A CN 200810243146 A CN200810243146 A CN 200810243146A CN 101749357 A CN101749357 A CN 101749357A
Authority
CN
China
Prior art keywords
floating ring
oil
sealing element
oil seal
element oil
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
Application number
CN200810243146A
Other languages
Chinese (zh)
Inventor
刘爱红
贺阳
孙国泰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MINGXING DAMPERS CO Ltd JIANGSU
Original Assignee
MINGXING DAMPERS CO Ltd JIANGSU
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 MINGXING DAMPERS CO Ltd JIANGSU filed Critical MINGXING DAMPERS CO Ltd JIANGSU
Priority to CN200810243146A priority Critical patent/CN101749357A/en
Publication of CN101749357A publication Critical patent/CN101749357A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a floating ring 4, which has the following actions and functions: the floating ring 4 is placed between a sealing element oil seal 2 of a shock absorber and a composite bushing 5; when the shock absorber is in reciprocating motion, a rubber dustproof cover 1 blocks the external dust, dirt and rainwater; primary and secondary lips are provided with the mechanical sealing element oil seal 2 for clasping a spring to block the internal hydraulic oil; and the floating ring 4 made of polytetrafluoroethylene can prevent surge high-pressure oil produced in the T direction from becoming trace leaking oil due to compression in the high-speed running D direction to flow to the primary lip of the sealing element oil seal through a gasket 3 so as to only play a role in lubricating the lips of the oil seal 2. The mounting of the floating ring 4 improves the working condition of the sealing element oil seal 2, prolongs the working life of the sealing element oil seal and reduces the probability of oil leakage. The floating ring 4 is in a working environment of high-temperature hydraulic oil and mechanical friction, so a material with high temperature resistance, abrasion resistance and low friction factor is selected; the floating ring 4 is placed on the sides of the sealing element oil seal 2 and the gasket 3 so as to prevent the surge hydraulic oil from flowing, and reduce the risk of high pressure on the primary lip of the sealing element oil seal 2; and the floating ring 4 has the advantages of cost performance, rich and cheap material resources and low cost.

Description

A kind of floating ring
Technical field
The present invention relates to a kind of floating ring, be applicable to that front damper of motorcycle stops that in to-and-fro motion swiftly flowing hydraulic oil to the high pressure that mechanical sealing element forms, plays the effect of release.
Background technique
During known front damper of motorcycle mechanical seal, when the vibration damper to-and-fro motion, there is the bellows of iron skeleton to block outside dirt ash, dirt and rainwater, there is the mechanical sealing element oil sealing of holding spring tightly to block inner hydraulic fluid leak at the major-minor lip, but, when the motorcycle high-speed motion (racing cycle or cross country motorcycle design speed per hour 300km/h), can impel the mobile flow velocity that becomes of hydraulic oil to accelerate at a high speed, and for to-and-fro motion sliding smooth, certain matching gap is arranged between movement parts, can become when the high pressure oil that flows is by these gaps fast and gush shape stream, mechanical sealing element oil sealing master lip is constituted moment bear the danger of huge oil pressure, frequent high pressure can be aggravated the inefficacy of seal element oil sealing, and causes hydraulic fluid leak, make the damping force forfeiture, reduced the working life of vibration damper.
Summary of the invention
The invention provides a kind of seal element oil sealing that can improve bears the high-pressure work condition, prolongs seal element oil sealing operating life, reduces the floating ring of leakage of oil probability.
The floating ring that the present invention adopts teflon to make, be seated in the side of oil sealing master lip, cooperate for no gap with motor element, owing to use polytetrafluoroethylmaterial material, have wear-resisting and resistant to elevated temperatures ability, ring is to be in quick condition, can not produce mechanical friction, can stop and gush flowing of shape hydraulic oil, reduce the high pressure that high pressure oil forms seal element oil sealing master lip, prolong the use mission of seal element oil sealing.
The present invention has adopted following technological scheme: a kind of floating ring, be seated between vibration damper seal element oil sealing and the composite bush, it is characterized in that described vibration damper is when to-and-fro motion, there is the bellows of iron skeleton to block outside dirt ash, dirt and rainwater, there is the mechanical sealing element oil sealing of holding spring tightly to block inner hydraulic fluid leak at the major-minor lip, between composite bush and mechanical sealing element oil sealing, put the floating ring made from teflon, can stop because D direction when compression of travelling at a high speed produces and gush shape stream high pressure oil, the T direction is gushed shape stream high pressure oil and will be become micro-seepage oil and flow to seal element oil sealing master lip place by packing ring, only plays the effect of lubrication oil seal lip.Improve the operating conditions of seal element oil sealing, prolonged seal element oil sealing operating life, reduced the probability of leakage of oil.Described floating ring operating conditions is in the environment of high temperature hydraulic oil and mechanical friction, therefore, selects material high temperature resistant, wear-resisting, that have low coefficient of friction for use; Described floating ring gushes flowing of shape hydraulic oil in order to stop, and cooperates no gap in motor element; Described floating ring and motor element be during for no gap, considers that other position should not have interference, and its matching part should be in unsteady; Described floating ring is seated in the main lip side of seal element oil sealing, stops to gush flowing of shape hydraulic oil, reduces the danger that high pressure constitutes seal element oil sealing master lip; Described floating ring has the advantage of " cost performance ", the rich material resources cheapness, and cost is low.
Described floating ring adopts polytetrafluoroethylmaterial material, this material has extremely low friction factor, high temperature resistant good at 180 ℃, wear-resisting property, cooperate no gap can not produce mechanical abrasion with motor element, extensively applied or made the wear part use in motive position.Described floating ring is seated in the main lip side of seal element oil sealing, stops to gush flowing of shape hydraulic oil, reduces the danger that high pressure constitutes seal element oil sealing master lip.
The present invention has following beneficial effect, floating ring among the present invention is seated between seal element oil sealing and the composite bush, when the motorcycle high speed driving, during compression stroke, the shape that gushes that high pressure oil forms flows when passing through composite bush, cooperated gapless floating ring to stop step-down in movement parts, the high pressure oil that gushes shape stream will become micro-seepage oil and flow to seal element oil sealing master lip place, only play the effect of lubrication oil seal lip.Improved the operating conditions of bearing high pressure of seal element oil sealing, prolonged seal element oil sealing operating life, reduced the probability of leakage of oil, reduced market and " paid compensation for " probability.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the partial enlarged drawing at A place among Fig. 1
Fig. 3 is the partial enlarged drawing at B place among Fig. 1
Embodiment
According to Fig. 1, Fig. 2, among Fig. 3, the invention discloses a kind of floating ring 4, its effect and function are as follows: floating ring 4 is seated between vibration damper seal element oil sealing 2 and the composite bush 5, vibration damper is when to-and-fro motion, there is the bellows 1 of iron skeleton to block outside dirt ash, dirt and rainwater, there is the mechanical sealing element oil sealing 2 of holding spring tightly to block inner hydraulic fluid leak at the major-minor lip, between composite bush 5 and mechanical sealing element oil sealing 2, put the floating ring made from teflon 4, can stop since D direction when compression of travelling at a high speed produce gush shape stream high pressure oil, the T direction is gushed shape stream high pressure oil and will be become micro-seepage oil and flow to seal element oil sealing master lip place by packing ring 3, only plays the effect of lubrication oil seal 2 lips.Improve the operating conditions of seal element oil sealing 2, prolonged seal element oil sealing 2 operating lives, reduced the probability of leakage of oil.Floating ring 4 operating conditions are in the environment of high temperature hydraulic oil and mechanical friction, therefore, select material high temperature resistant, wear-resisting, that have low coefficient of friction for use; Floating ring 4 gushes flowing of shape hydraulic oil in order to stop, and cooperates no gap in motor element; Floating ring 4 and motor element 6 be during for no gap, considers that other position should not have interference, other matching part is gapped be in unsteady; Floating ring 4 is seated in seal element oil sealing 2, and the side of packing ring 3 stops and gushes flowing of shape hydraulic oil, reduces the danger that high pressure constitutes seal element oil sealing 2 main lips; Floating ring 4 has the advantage of " cost performance ", the rich material resources cheapness, and cost is low.

Claims (5)

1. floating ring, it is characterized in that: described floating ring is made with teflon, be placed between vibration damper seal element oil sealing and the composite bush, vibration damper is when to-and-fro motion, can stop because D direction when compression of travelling at a high speed produces and gush shape stream high pressure oil, make the T direction gush shape stream high pressure oil and become micro-seepage oil and flow to seal element oil sealing master lip place, only play the effect of lubrication oil seal lip by packing ring.
2. floating ring according to claim 1 is characterized in that: described floating ring is selected material high temperature resistant, wear-resisting, that have low coefficient of friction for use.
3. floating ring according to claim 1 is characterized in that: described floating ring cooperates no gap with motor element.
4. floating ring according to claim 1 is characterized in that: described floating ring and motor element be during for no gap, considers that other position should not have interference, other matching part is gapped should be in unsteady.
5. floating ring according to claim 1 is characterized in that: described floating ring is seated in the main lip side of seal element oil sealing, between vibration damper seal element oil sealing and composite bush.
CN200810243146A 2008-12-09 2008-12-09 Floating ring Pending CN101749357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810243146A CN101749357A (en) 2008-12-09 2008-12-09 Floating ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200810243146A CN101749357A (en) 2008-12-09 2008-12-09 Floating ring

Publications (1)

Publication Number Publication Date
CN101749357A true CN101749357A (en) 2010-06-23

Family

ID=42476811

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200810243146A Pending CN101749357A (en) 2008-12-09 2008-12-09 Floating ring

Country Status (1)

Country Link
CN (1) CN101749357A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109990034A (en) * 2017-12-29 2019-07-09 邱燕端 A kind of three section controllable gas springs
CN113494610A (en) * 2021-07-08 2021-10-12 西华大学 Floating ring structure with damping support and mechanical sealing device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2100528U (en) * 1991-10-10 1992-04-01 清华大学 Sealing mechanism automotive damper
US6105739A (en) * 1997-02-26 2000-08-22 Mannesmann Sachs Ag Guide bushing
CN2423139Y (en) * 2000-04-09 2001-03-14 张金泉 Protective pressure-reducing sealing device for shock absorber
CN2605422Y (en) * 2003-03-24 2004-03-03 书元机械企业(昆山)有限公司 Improved oil-seal structure for shock damper
JP2007120514A (en) * 2005-10-25 2007-05-17 Kayaba Ind Co Ltd Sealing structure for hydraulic shock absorber

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2100528U (en) * 1991-10-10 1992-04-01 清华大学 Sealing mechanism automotive damper
US6105739A (en) * 1997-02-26 2000-08-22 Mannesmann Sachs Ag Guide bushing
CN2423139Y (en) * 2000-04-09 2001-03-14 张金泉 Protective pressure-reducing sealing device for shock absorber
CN2605422Y (en) * 2003-03-24 2004-03-03 书元机械企业(昆山)有限公司 Improved oil-seal structure for shock damper
JP2007120514A (en) * 2005-10-25 2007-05-17 Kayaba Ind Co Ltd Sealing structure for hydraulic shock absorber

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109990034A (en) * 2017-12-29 2019-07-09 邱燕端 A kind of three section controllable gas springs
CN109990034B (en) * 2017-12-29 2024-04-02 邱燕端 Three-section controllable gas spring
CN113494610A (en) * 2021-07-08 2021-10-12 西华大学 Floating ring structure with damping support and mechanical sealing device
CN113494610B (en) * 2021-07-08 2023-06-27 西华大学 Floating ring structure with damping support and mechanical sealing device

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Application publication date: 20100623