CN104315065A - Fully-enclosed sliding dustproof damper - Google Patents
Fully-enclosed sliding dustproof damper Download PDFInfo
- Publication number
- CN104315065A CN104315065A CN201410535424.8A CN201410535424A CN104315065A CN 104315065 A CN104315065 A CN 104315065A CN 201410535424 A CN201410535424 A CN 201410535424A CN 104315065 A CN104315065 A CN 104315065A
- Authority
- CN
- China
- Prior art keywords
- dustproof
- slave cylinder
- clutch release
- release slave
- piston rod
- 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.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/38—Covers for protection or appearance
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a fully-enclosed sliding dustproof damper, and belongs to the technical field of dampers. The damper comprises a working cylinder, a piston rod and a buffer sprig, wherein the piston rod extends out of the working cylinder, the buffer spring sheaths the exterior of the working cylinder, a dustproof guide sleeve axially and glidingly sheaths the outer surface of the working cylinder, one end of the buffer spring is fixedly arranged on the working cylinder, and the other end of the buffer spring is axially connected with the dustproof guide sleeve, the dustproof cover sheaths the piston rod, one end of the dustproof cover is fixedly connected with the piston rod, and the other end of the dustproof cover is connected with the dustproof guide sleeve. The damper has the advantages that an enclosed damper dustproof buffer space is formed, the installation and positioning functions on the buffer spring by the dustproof guide sleeve are realized, the dustproof guide sleeve is always slid along the surface of the working cylinder, and the deflection is avoided; the strength is high, the service life of the damper is prolonged, and the comfortability, durability, appearance decorativeness and environment suitability of the damper are improved.
Description
Technical field
The present invention relates to vibration damper technical field, in particular to the totally-enclosed slip dustproof vibration-damper of one.
Background technique
Concussion when vibration damper rebounds after being mainly used to suppress spring shock-absorbing and the impact from road surface.When between vehicle body and vehicle bridge during vibrated generation relative movement, the piston of vibration damper by moving up and down in clutch release slave cylinder, damping oil in vibration damper just repeatedly flow in another one chamber from a chamber through hole, by the friction between hole wall and fluid and fluid intermolecular friction, damping force is produced to vibration, realize damping.Wherein, high-pressure oil gas separated shock absorber decides damping force by the valve system on piston, and compression damping and the damping spring of generation cushion impact jointly.
The effect of vibration damper is very important, in order to prevent dust or silt from entering in the clutch release slave cylinder of vibration damper from piston rod joint, usually all needs to install dust-proof cover.But the dust-proof cover of existing vibration damper is Open architecture, certain gap is had with vibration damper outer surface, have on oil sealing and piston rod that dust or silt is deposited on vibration damper by the opening of dust-proof cover, the scuffing of piston rod and oil sealing is caused to cause leakage of oil, and such dust-proof cover easily leads deflection, there is with the outer surface of vibration damper rub abnormal sound, clamping stagnation, damage, affect travelling comfort, durability and environmental selection.
Summary of the invention
The object of the present invention is to provide a kind of totally-enclosed slip dustproof vibration-damper, be difficult to realize comprehensively dust-proofly adapt to varying environment, easily cause dust-proof cover deflection, clamping stagnation, abnormal sound and affect the problem of travelling comfort with the dustproof construction solving existing vibration damper.
For realizing the object of the invention, the technological scheme of employing is: a kind of totally-enclosed slip dustproof vibration-damper, and comprise clutch release slave cylinder, stretch out the piston rod of clutch release slave cylinder and be enclosed within the damping spring outside clutch release slave cylinder, the outer surface of described clutch release slave cylinder slides axially and is arranged with dustproof guide sleeve; Damping spring one end is fixed on clutch release slave cylinder, and the other end is against on dustproof guide sleeve; Upper cover of piston rod is connected to dust-proof cover, and one end of dust-proof cover is fixedly connected with piston rod, and the other end is connected with dustproof guide sleeve.
Further, described dustproof guide sleeve comprises the sliding sleeve on guide holder and guide holder, and dustproof guide sleeve is slid axially by the outer surface sliding over clutch release slave cylinder.Dustproof guide sleeve plays installation positioning action by guide holder to damping spring, slides by sliding on clutch release slave cylinder cylindrical.
Further, the end of described guide holder is coated with seal closure, and seal closure axially stretches out guide holder.Seal closure can adopt nonmetallic material, can better sealing and dustproof, prevents the end crevice be connected with clutch release slave cylinder from guide holder from entering silt etc.
Further, in described dust-proof cover, piston rod connecting end is provided with buffer stopper.For prevent dust-proof cover follow piston rod move to clutch release slave cylinder side time, dust-proof cover end collision clutch release slave cylinder end, play buffer function.
Further, described dust-proof cover is heat conduction steel dust-proof cover.The heat being transmitted in air that internal damping working room produces can be conducted in time distribute, the rainwater, silt, high hardness particle etc. that are splashed at a high speed in outside can be stopped simultaneously.
Further, slide in described clutch release slave cylinder and be provided with oil gas separator, clutch release slave cylinder inner space is divided into gas compartment and fluid chamber.
Further, be provided with the piston be connected with piston rod in described fluid chamber, piston offer axial oilhole, piston shaft is respectively equipped with rebound valve and compression valve to both sides.
Beneficial effect of the present invention:
One, the dustproof guide sleeve by sliding connects damping spring and dust-proof cover respectively, define closed dustproof buffered space, dustproof guide sleeve plays installation positioning action to damping spring simultaneously, and all the time along clutch release slave cylinder surface sliding, can not deflection, intensity is high, and the silt percussion leakage of oil that the dustproof construction avoiding existing vibration damper brings, guiding deflection friction abnormal sound and breakage, solve the problem by such environmental effects.
Two, totally-enclosed slip dustproof vibration-damper of the present invention is adopted, do not need the sand prevention of additional vibration damper outer cover, also without the need to improving or increase the performance of ventilation and heat dispersion at vehicle shock absorber position, which raises the vibration damper life-span, strengthen vibration damper travelling comfort, durability, decorative appearance, environmental suitability, and be applicable to all kinds of cross-country class vehicle, sports, the high-grade racing motorcycle of leisure etc. and refitted car as the purposes of damping device, have the draft hitch etc. of dust-proof demand, radiating requirements, exterior decorative effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of totally-enclosed slip dustproof vibration-damper provided by the invention;
Fig. 2 is the structural representation of dustproof guide sleeve installation place provided by the invention.
Embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Fig. 1, Fig. 2 show totally-enclosed slip dustproof vibration-damper provided by the invention, and comprise clutch release slave cylinder 1, stretch out the piston rod 2 of clutch release slave cylinder 1 and be enclosed within the damping spring 3 outside clutch release slave cylinder 1, the outer surface flip sleeve of clutch release slave cylinder 1 is provided with dustproof guide sleeve 4; Damping spring 3 one end is fixed on clutch release slave cylinder 1, and the other end is against on dustproof guide sleeve 4; Piston rod 2 is socketed with dust-proof cover 5, one end of dust-proof cover 5 is fixedly connected with piston rod 2, and the other end is connected with dustproof guide sleeve 4.
Dustproof guide sleeve 4 comprises the sliding sleeve 42 on guide holder 41 and guide holder 41, and dustproof guide sleeve 4 is slid axially by the outer surface of sliding sleeve 41 at clutch release slave cylinder 1, and one end of damping spring 3 is arranged on guide holder 41.The end of guide holder 41 is coated with nonmetallic seal closure 43, and seal closure 43 axially stretches out guide holder 41, and be advisable in the surface that can touch clutch release slave cylinder 1 with one end, better dust-proof.Dust-proof cover 5 arranges removable sealing cover 14 by end and is fixed on piston rod 2.
Dustproof guide sleeve 4 and dust-proof cover 5 are in vibration damper compression and extend in working procedure, all the time with piston lever of reducer 2 synchronous operation, dustproof guide sleeve 4 is slided on clutch release slave cylinder 1 cylindrical by sliding sleeve 41, the steel that the material selection of dust-proof cover 5 thermal conductivity is good, the heat being transmitted in air that internal damping working room produces can be conducted in time distribute, the rainwater, silt, high hardness particle etc. that are splashed at a high speed in outside can be stopped, avoid the percussion piston bars 2 such as rainwater, silt, high hardness particle, adhere to piston rod 2 and cause the damping oil leakage of oil in clutch release slave cylinder 1.In running, simultaneously by the guiding of dustproof guide sleeve 4, dust-proof cover 5 ensures that it is followed piston rod 2 smoothly while dust-proof and runs, and forms integral type with damping spring 3, plays buffer function together.
In dust-proof cover 5, piston rod 2 connecting end is provided with buffer stopper 6, namely buffer stopper 6 is on sealing cover 14.Piston rod 2 stretches out clutch release slave cylinder 1 by the low friction oil sealing 8 of bi-material layers high temperature high voltage resistant, oil sealing sealing sizing material employs the good fluosilicic rubber of heat-resisting quantity, can have and in high temperature environments still there is excellent sealing, the high-voltage oil liquid produced when piston rod 2 stretches out can be sealed in do not oozed out, still keep low-frictional force at high pressure simultaneously.
The dust-proof high-pressure oil gas separated shock absorber of this totally-enclosed slip has the excellent damping characteristic of air filling type shock absorber and travelling comfort.Dustproof guide sleeve 4 leads slipper seal dustproof construction, there is good radiating effect and intensity, the rainwater, silt, high hardness particle etc. that are splashed at a high speed in outside can be stopped, avoid the percussion piston bars such as rainwater, silt, high hardness particle, adhere to piston rod 2 and cause the damping oil leakage of oil in clutch release slave cylinder 1.
Columnar clutch release slave cylinder 1, clutch release slave cylinder 1 inner space is divided into gas compartment 12 and fluid chamber 13 by built-in oil gas separator, pressurized gas are allowed to be separated with hydraulic oil, overcome the foamed that hydraulic oil produces in flow at high speed and affect damping buffering characteristic, built-in oil gas separator can slide in clutch release slave cylinder 1 simultaneously, stretch out with timely compensating piston bar 2, the Volume Changes of press-in hydraulic jack, built-in two-way valve system comprises rebound valve 10 and compression valve 11, lay respectively at the both sides of piston 9 axis, when piston rod 2 is extracted out, fluid flows to rebound valve 10 from the other oilhole through piston 9 of compression valve 11, what determine recovery damping force size is the thickness of valve block and the size of quantity and supporting valve block diameter and fixing oil duct.The formation of fixing oil duct is that valve block can not seal hole and formed because piston 9 stepped diameters is less.When piston 9 is pressed into, under whole oil column effect, compression valve block larger for diameter is washed open, produce compression damping, jointly impact is cushioned with damping spring 3, keep the subsides ground property of vehicle run smoothness and wheel.
Clutch release slave cylinder 1 upper end is filled with inert gas to gas compartment 12, and be provided with floating piston 7 and as oil gas separator, gas be separated with damping fluid force feed, then all damping oil is full of in active chamber, effectively eliminate air, prevent the oxidation of part in damping oil and damper, eliminate the foamed of damping oil, thus also eliminate idle running and the discontinuity phenomenon of resistance, improve riding comfort and the high stability of car load.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a totally-enclosed slip dustproof vibration-damper, comprise clutch release slave cylinder, stretch out the piston rod of clutch release slave cylinder and be enclosed within the damping spring outside clutch release slave cylinder, it is characterized in that, the outer surface of described clutch release slave cylinder slides axially and is arranged with dustproof guide sleeve; Damping spring one end is fixed on clutch release slave cylinder, and the other end is against on dustproof guide sleeve; Upper cover of piston rod is connected to dust-proof cover, and one end of dust-proof cover is fixedly connected with piston rod, and the other end is connected with dustproof guide sleeve.
2. totally-enclosed slip dustproof vibration-damper according to claim 1, it is characterized in that, described dustproof guide sleeve comprises the sliding sleeve on guide holder and guide holder, and dustproof guide sleeve is slid axially by the outer surface sliding over clutch release slave cylinder.
3. totally-enclosed slip dustproof vibration-damper according to claim 2, it is characterized in that, the end of described guide holder is coated with seal closure, and seal closure axially stretches out guide holder.
4. totally-enclosed slip dustproof vibration-damper according to claim 1, is characterized in that, in described dust-proof cover, piston rod connecting end is provided with buffer stopper.
5. totally-enclosed slip dustproof vibration-damper according to claim 1, is characterized in that, described dust-proof cover is heat conduction steel dust-proof cover.
6. totally-enclosed slip dustproof vibration-damper according to claim 1, is characterized in that, sliding in described clutch release slave cylinder is provided with oil gas separator, and clutch release slave cylinder inner space is divided into gas compartment and fluid chamber.
7. totally-enclosed slip dustproof vibration-damper according to claim 6, is characterized in that, be provided with the piston be connected with piston rod in described fluid chamber, and piston offers axial oilhole, piston shaft is respectively equipped with rebound valve and compression valve to both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410535424.8A CN104315065B (en) | 2014-11-17 | 2014-11-17 | A kind of totally-enclosed slip dustproof vibration-damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410535424.8A CN104315065B (en) | 2014-11-17 | 2014-11-17 | A kind of totally-enclosed slip dustproof vibration-damper |
Publications (2)
| Publication Number | Publication Date |
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| CN104315065A true CN104315065A (en) | 2015-01-28 |
| CN104315065B CN104315065B (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410535424.8A Active CN104315065B (en) | 2014-11-17 | 2014-11-17 | A kind of totally-enclosed slip dustproof vibration-damper |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523573A (en) * | 2016-12-27 | 2017-03-22 | 浙江名震机械制造有限公司 | Double-lifting-ring large-base electric vehicle damper |
| CN106678260A (en) * | 2016-12-27 | 2017-05-17 | 浙江名震机械制造有限公司 | Automobile damper |
| CN106868966A (en) * | 2017-03-21 | 2017-06-20 | 河南润华通用装备有限公司 | Dustproof guide sleeve |
| CN108679150A (en) * | 2018-05-22 | 2018-10-19 | 合肥诚泽机械制造有限责任公司 | A kind of dust protected automobile absorber |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB826370A (en) * | 1955-01-13 | 1960-01-06 | Paul Hollis Taylor | Combined spring shock absorber suspension unit |
| GB833027A (en) * | 1957-03-15 | 1960-04-21 | Armstrong Patents Co Ltd | Dirt exclusion in telescopic shock absorbers |
| CN2616749Y (en) * | 2003-04-11 | 2004-05-19 | 陆杰 | Concealed hydraulic vibration damper |
| CN200985975Y (en) * | 2006-07-24 | 2007-12-05 | 浙江正裕工业有限公司 | Single-cylinder impact damper |
| CN203500367U (en) * | 2013-09-18 | 2014-03-26 | 隆鑫通用动力股份有限公司 | Rear shock absorber for motorcycle |
| CN204164249U (en) * | 2014-11-17 | 2015-02-18 | 四川川南减震器集团有限公司 | A kind of totally-enclosed slip dustproof vibration-damper |
-
2014
- 2014-11-17 CN CN201410535424.8A patent/CN104315065B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB826370A (en) * | 1955-01-13 | 1960-01-06 | Paul Hollis Taylor | Combined spring shock absorber suspension unit |
| GB833027A (en) * | 1957-03-15 | 1960-04-21 | Armstrong Patents Co Ltd | Dirt exclusion in telescopic shock absorbers |
| CN2616749Y (en) * | 2003-04-11 | 2004-05-19 | 陆杰 | Concealed hydraulic vibration damper |
| CN200985975Y (en) * | 2006-07-24 | 2007-12-05 | 浙江正裕工业有限公司 | Single-cylinder impact damper |
| CN203500367U (en) * | 2013-09-18 | 2014-03-26 | 隆鑫通用动力股份有限公司 | Rear shock absorber for motorcycle |
| CN204164249U (en) * | 2014-11-17 | 2015-02-18 | 四川川南减震器集团有限公司 | A kind of totally-enclosed slip dustproof vibration-damper |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523573A (en) * | 2016-12-27 | 2017-03-22 | 浙江名震机械制造有限公司 | Double-lifting-ring large-base electric vehicle damper |
| CN106678260A (en) * | 2016-12-27 | 2017-05-17 | 浙江名震机械制造有限公司 | Automobile damper |
| CN106868966A (en) * | 2017-03-21 | 2017-06-20 | 河南润华通用装备有限公司 | Dustproof guide sleeve |
| CN108679150A (en) * | 2018-05-22 | 2018-10-19 | 合肥诚泽机械制造有限责任公司 | A kind of dust protected automobile absorber |
| CN108679150B (en) * | 2018-05-22 | 2021-01-19 | 合肥诚泽机械制造有限责任公司 | Dust protected automobile shock absorber ware |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104315065B (en) | 2016-11-30 |
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