CN101749357A - Floating ring - Google Patents
Floating ring Download PDFInfo
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- 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
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- floating ring
- oil
- sealing element
- oil seal
- element oil
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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
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.
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 |
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CN101749357A true CN101749357A (en) | 2010-06-23 |
Family
ID=42476811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN200810243146A Pending CN101749357A (en) | 2008-12-09 | 2008-12-09 | Floating ring |
Country Status (1)
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CN (1) | CN101749357A (en) |
Cited By (2)
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)
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 |
-
2008
- 2008-12-09 CN CN200810243146A patent/CN101749357A/en active Pending
Patent Citations (5)
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)
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 |