CN104315065B - A kind of totally-enclosed slip dustproof vibration-damper - Google Patents
A kind of totally-enclosed slip dustproof vibration-damper Download PDFInfo
- Publication number
- CN104315065B CN104315065B CN201410535424.8A CN201410535424A CN104315065B CN 104315065 B CN104315065 B CN 104315065B CN 201410535424 A CN201410535424 A CN 201410535424A CN 104315065 B CN104315065 B CN 104315065B
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- CN
- China
- Prior art keywords
- working cylinder
- dustproof
- piston rod
- guide sleeve
- dust cover
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of totally-enclosed slip dustproof vibration-damper, belong to amortisseur technical field, the piston rod including working cylinder, stretching out working cylinder and the buffer spring being enclosed within outside working cylinder, the outer surface of working cylinder slides axially and is arranged with dustproof guide sleeve；Buffer spring one end is fixed on working cylinder, and the other end is axially connected with dustproof guide sleeve；Upper cover of piston rod is connected to dust cover, and one end of dust cover is fixing with piston rod to be connected, and the other end is connected with dustproof guide sleeve.Define the dust prevention of vibration absorber cushion space of closing, buffer spring is played installation positioning action by dustproof guide sleeve simultaneously, and slide along working cylinder surface all the time, will not deflection, intensity is high, improve the amortisseur life-span, strengthen amortisseur comfortableness, durability, decorative appearance, environmental suitability.
Description
Technical field
The present invention relates to amortisseur technical field, in particular to a kind of totally-enclosed slip dustproof vibration-damper.
Background technology
Amortisseur is mainly used to suppress concussion when rebounding after spring shock-absorbing and the impact from road surface.When vehicle body and vehicle bridge
Between vibrated generation relative motion time, the piston of amortisseur is by moving up and down in working cylinder, and the damping oil in amortisseur is just
Repeatedly be flowed into another one intracavity from a chamber through hole, intermolecular by the friction between hole wall and fluid and fluid
Rub and vibration is produced damping force, it is achieved damping.Wherein, high-pressure oil gas separated shock absorber is determined by the valve system on piston
Damping force, impact is jointly buffered by the compression damping of generation with buffer spring.
The effect of amortisseur is particularly significant, in order to prevent dust or silt from entering the work of amortisseur from piston rod junction
In cylinder, generally it is required for dust cover is installed.But the dust cover of existing amortisseur is Open architecture, has with amortisseur outer surface
Certain gap, is had dust or silt and is deposited on oil sealing and the piston rod of amortisseur by the opening of dust cover, cause work
The scuffing of stopper rod and oil sealing causes leakage of oil, and such dust cover easily guides deflection, rubs with the outer surface of amortisseur
Wipe abnormal sound, clamping stagnation, damage, affect comfortableness, durability and environmental selection.
Summary of the invention
It is an object of the invention to provide a kind of totally-enclosed slip dustproof vibration-damper, to solve the dust-proof knot of existing amortisseur
Structure be difficult to the most dust-proof adapt to varying environment, easily cause dust cover deflection, clamping stagnation, abnormal sound and affect comfortableness
Problem.
For realizing the object of the invention, the technical scheme of employing is: a kind of totally-enclosed slip dustproof vibration-damper, including work
Cylinder, the piston rod stretching out working cylinder and the buffer spring being enclosed within outside working cylinder, the outer surface of described working cylinder slides axially sheathed
There is dustproof guide sleeve；Buffer spring one end is fixed on working cylinder, and the other end is against on dustproof guide sleeve；Upper cover of piston rod is connected to
Dust cover, one end of dust cover is fixing with piston rod to be connected, and the other end is connected with dustproof guide sleeve.
Further, described dustproof guide sleeve includes the sliding sleeve on guide holder and guide holder, and dustproof guide sleeve passes through sliding sleeve
Outer surface at working cylinder slides axially.Buffer spring can be played installation positioning action by guide holder by dustproof guide sleeve, passes through
Slide over and slide on working cylinder cylindrical.
Further, the end of described guide holder is coated with seal closure, and the axially extended guide holder of seal closure.Seal closure can
Use nonmetallic materials, can better seal dust-proof, prevent at the end crevice that guide holder is connected entrance silt with working cylinder
Deng.
Further, it is connected end with piston rod in described dust cover and is provided with buffer stopper.For preventing dust cover from following work
Stopper rod is when working cylinder side shifting, and the end of working cylinder is collided in the end of dust cover, plays cushioning effect.
Further, described dust cover is heat conduction steel dust cover.The heat that internal damping operating room produces can be conducted in time
And be transmitted in air distribute, can stop the outside rainwater of splashing, silt, high hardness particle etc. at a high speed simultaneously.
Further, slide in described working cylinder and be provided with oil gas separator, working cylinder inner space is divided into gas compartment
And fluid chamber.
Further, in described fluid chamber, it is provided with the piston being connected with piston rod, piston offers axial oil
Hole, piston is axially respectively provided on two sides with rebound valve and compression valve.
Beneficial effects of the present invention:
One, the dustproof guide sleeve by sliding connects buffer spring and dust cover respectively, defines the dustproof buffered of closing
Space, buffer spring is played installation positioning action simultaneously, and slides along working cylinder surface all the time by dustproof guide sleeve, will not
Deflection, intensity is high, it is to avoid silt percussion leakage of oil that the dustproof construction of existing amortisseur brings, guide deflection friction abnormal sound and
Breakage, solves the problem by such environmental effects.
Two, the totally-enclosed slip dustproof vibration-damper of the present invention is used, it is not necessary to additional amortisseur outer housing sand prevention, without changing
Kind or increase the performance of ventilation and heat dispersion at vehicle shock absorber position, which raises the amortisseur life-span, strengthen amortisseur comfortableness, durable
Property, decorative appearance, environmental suitability, and be applicable to all kinds of cross-country class vehicle as the purposes of damping device, race, lie fallow
With high-grade racing motorcycle etc. and refitted car, the draft hitch etc. having dust-proof demand, radiating requirements, exterior decorative effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the totally-enclosed slip dustproof vibration-damper that the present invention provides；
Fig. 2 is the structural representation of the dustproof guide sleeve installation place that the present invention provides.
Detailed description of the invention
Below by specific embodiment and combine accompanying drawing the present invention is described in further detail.
Fig. 1, Fig. 2 show the totally-enclosed slip dustproof vibration-damper that the present invention provides, and including working cylinder 1, stretch out working cylinder 1
Piston rod 2 and the buffer spring 3 that is enclosed within outside working cylinder 1, the outer surface slip cap of working cylinder 1 is provided with dustproof guide sleeve 4；Buffering
Spring 3 one end is fixed on working cylinder 1, and the other end is against on dustproof guide sleeve 4；Dust cover 5 it is socketed with on piston rod 2, dust-proof
One end of cover 5 is fixing with piston rod 2 to be connected, and the other end is connected with dustproof guide sleeve 4.
Dustproof guide sleeve 4 includes that the sliding sleeve 42 on guide holder 41 and guide holder 41, dustproof guide sleeve 4 pass through sliding sleeve 41 in work
The outer surface making cylinder 1 slides axially, and one end of buffer spring 3 is arranged on guide holder 41.The end of guide holder 41 is coated with non-
The seal closure 43 of metal, and the axially extended guide holder of seal closure 43 41, be advisable in the surface that can touch working cylinder 1 with one end, more
Good is dust-proof.Dust cover 5 arranges removable sealing lid 14 by end and is fixed on piston rod 2.
Dustproof guide sleeve 4 and dust cover 5 are in amortisseur compression and elongation work process, all the time with piston lever of reducer 2
Synchronous operation, dustproof guide sleeve 4 slided on working cylinder 1 cylindrical by sliding sleeve 41, the material selection of dust cover 5 heat conductivity
Good steel, can conduct the heat of internal damping operating room generation in time and be transmitted in air distribute, it is possible to stopping outside
The rainwater of splashing, silt, high hardness particle etc. at a high speed, it is to avoid rainwater, silt, high hardness particle etc. clash into piston rod 2, adhere to live
Stopper rod 2 and damping oil leakage of oil in causing working cylinder 1.In running, dust cover 5 leading by dustproof guide sleeve 4 simultaneously
To ensureing that it is followed piston rod 2 while dust-proof smoothly and runs, and form integral type with buffer spring 3, play together
Cushioning effect.
It is connected end in dust cover 5 with piston rod 2 and is provided with buffer stopper 6, i.e. buffer stopper 6 on sealing lid 14.Piston rod 2 leads to
Crossing bi-material layers high temperature high voltage resistant low friction oil sealing 8 and stretch out working cylinder 1, oil sealing sealing sizing material employs the good fluosilicic of heat-resisting quantity
Rubber, it is possible to have and the most still there is excellent sealing, it is possible to be sealed in the height produced when piston rod 2 stretches out
Force feed liquid is not oozed out, and still keeps low-frictional force at high pressure simultaneously.
The dust-proof high-pressure oil gas separated shock absorber of this totally-enclosed slip has the damping characteristic that air filling type shock absorber is excellent
With comfortableness.Dustproof guide sleeve 4 guides slipper seal dustproof construction, has preferable radiating effect and intensity, it is possible to it is right to stop
The outside rainwater of splashing, silt, high hardness particle etc. at a high speed, it is to avoid rainwater, silt, high hardness particle etc. clash into piston rod, glue
Attached piston rod 2 and damping oil leakage of oil in causing working cylinder 1.
Columnar working cylinder 1, working cylinder 1 inner space is divided into gas compartment 12 and fluid chamber by built-in oil gas separator
13, allow gases at high pressure separate with hydraulic oil, the foamed overcoming hydraulic oil to produce in flow at high speed affects damping buffering characteristic,
The most built-in oil gas separator can slide in working cylinder 1, stretches out, is pressed into the body of hydraulic jack with timely compensating piston bar 2
Long-pending change, built-in two-way valve system includes rebound valve 10 and compression valve 11, lays respectively at the both sides that piston 9 is axial, and piston rod 2 is taken out
When going out, fluid flows to rebound valve 10 from the other oilhole through piston 9 of compression valve 11, and determine recovery damping force size is valve block
Thickness and quantity and supporting valve block diameter and the size of fixing oil duct.The composition of fixing oil duct is due to piston 9 stepped diameters
Less, valve block can not seal hole and be formed.When piston 9 is pressed into, under whole oil column effect, the compression valve block punching that will be relatively large in diameter
Open, produce compression damping, jointly impact is buffered with buffer spring 3, keep the patch ground of vehicle ride performance and wheel
Property.
Working cylinder 1 upper end is filled with noble gas to gas compartment 12, and is provided with floating piston 7 as oil gas separator by gas
Body separates with damping fluid force feed, is then completely filled with damping oil, effectively eliminates air, prevent damping oil and antivibrator in working chamber
The oxidation of middle part, eliminates the foamed of damping oil, thus also eliminates idle running and the discontinuity phenomenon of resistance, improve whole
The riding comfort of car and high stability.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (4)
1. a totally-enclosed slip dustproof vibration-damper, the piston rod including working cylinder, stretching out working cylinder and being enclosed within outside working cylinder
Buffer spring, it is characterised in that the outer surface of described working cylinder slides axially and is arranged with dustproof guide sleeve；Buffer spring one end is solid
Being scheduled on working cylinder, the other end is against on dustproof guide sleeve；Upper cover of piston rod is connected to dust cover, one end of dust cover and piston rod
Fixing connection, the other end is connected with dustproof guide sleeve；Described dustproof guide sleeve includes the sliding sleeve on guide holder and guide holder, dust-proof
Fairlead slides axially by sliding over the outer surface of working cylinder；The end of described guide holder is coated with seal closure, and seal closure
Axially extended guide holder；Described dust cover is heat conduction steel dust cover.
Totally-enclosed slip dustproof vibration-damper the most according to claim 1, it is characterised in that in described dust cover and piston rod
Connect end and be provided with buffer stopper.
Totally-enclosed slip dustproof vibration-damper the most according to claim 1, it is characterised in that slide in described working cylinder and arrange
There is oil gas separator, working cylinder inner space is divided into gas compartment and fluid chamber.
Totally-enclosed slip dustproof vibration-damper the most according to claim 3, it is characterised in that be provided with in described fluid chamber
The piston being connected with piston rod, piston offers axial oilhole, and piston is axially respectively provided on two sides with rebound valve and compression valve.
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 |
|---|---|
| CN104315065A CN104315065A (en) | 2015-01-28 |
| CN104315065B true CN104315065B (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410535424.8A Active CN104315065B (en) | 2014-11-17 | 2014-11-17 | A kind of totally-enclosed slip dustproof vibration-damper |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523573B (en) * | 2016-12-27 | 2018-11-06 | 名震实业控股集团有限公司 | A kind of big pedestal damping of electric vehicles device of double hanging rings |
| CN106678260B (en) * | 2016-12-27 | 2018-11-06 | 名震实业控股集团有限公司 | A kind of automobile absorber |
| CN106868966A (en) * | 2017-03-21 | 2017-06-20 | 河南润华通用装备有限公司 | Dustproof guide sleeve |
| 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2909368A (en) * | 1955-01-13 | 1959-10-20 | Paul H Taylor | Differential area liquid springs |
| 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
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| CN104315065A (en) | 2015-01-28 |
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