CN107191528A - A kind of shock absorber - Google Patents
A kind of shock absorber Download PDFInfo
- Publication number
- CN107191528A CN107191528A CN201710331749.8A CN201710331749A CN107191528A CN 107191528 A CN107191528 A CN 107191528A CN 201710331749 A CN201710331749 A CN 201710331749A CN 107191528 A CN107191528 A CN 107191528A
- Authority
- CN
- China
- Prior art keywords
- cylinder barrel
- shock absorber
- dust cover
- end cap
- shirt rim
- 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
Links
Classifications
-
- 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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- 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
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
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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
- F16F2232/00—Nature of movement
- F16F2232/08—Linear
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of shock absorber, including shock absorber dirt shield and the hydraulic cylinder in the dust cover, the hydraulic cylinder includes piston rod and cylinder barrel, and the cylinder barrel is slided along the piston rod in the shock absorber dirt shield；The top that the cylinder barrel is fixed at the top of end cap, the end cap is arranged with the top of cylinder barrel, the shirt rim extended axially downward along cylinder barrel is provided with the bottom of the end cap, there is gap between the bottom of the shirt rim and the cylinder barrel outer wall；When the dust cover is swung, the bottom of the shirt rim supports the inwall of the dust cover to make have gap between the bottom of dust cover and the outer wall of the cylinder barrel.The bottom of the end cap of shock absorber adds shirt rim in this programme, and the more conventional end cap of entire length increases, and can be prevented effectively from dust cover and be rubbed in vehicle motion process with cylinder barrel lacquer painting, protection cylinder barrel lacquer painting prevents the generation of cylinder barrel corrosion.
Description
Technical field
The present invention relates to the suspension of vehicle, more particularly to a kind of shock absorber.
Background technology
Concussion when shock absorber is mainly used to suppress to rebound after spring shock-absorbing and the impact from road surface.As shown in figure 1, subtracting
The device end cap 1a that shakes is fitted on cylinder barrel 2a by interference fit, and to play a part of sealing and transmit buffer stopper power, cylinder barrel edge is living
Stopper rod 4a is moved, so as to carry out the buffering of power.Wherein, end cover of shock absorber 1a materials are mainly made up of steel and engineering plastics, are prevented
Dust hood 3a is general to be fixed on vehicle body by upper support, and when Suspension movement produces stroke, cylinder barrel 2a is produced relative to above and below vehicle body
Motion, shock absorber inner valve system produces damping force, to play the function of absorbing vibration.
Shock absorber is loaded on vehicle in addition to the compression recovery power main by shock absorber, also suffers from shaking for all directions
Power, because shock absorber dirt shield 3a upper ends on rubber by being supported and fixed on vehicle body, shock absorber dirt shield can produce radial direction
Vibration.As shown in Fig. 2 when dust cover lower wobble disalignment, dust cover 3a bottoms can produce interference with cylinder barrel 2a, because
Shock absorbers compression has dust cover 3a and cylinder barrel 2a relative motion, and dust cover 3a bottom can produce friction with cylinder barrel outer wall,
Serious conditions dust cover 3a can gall cylinder barrel 2a surfaces paint, cause cylinder barrel 2a outer surfaces to be also easy to produce corrosion, influence shock absorber
Use.
The content of the invention
The present invention provides a kind of shock absorber, to solve during existing shock absorber dirt shield skew, shock absorber dirt shield
Bottom produces friction with cylinder barrel outer wall, galls cylinder barrel surface paint, causes the problem of cylinder barrel outer surface is also easy to produce corrosion.
The present invention provides a kind of shock absorber to achieve these goals, including shock absorber dirt shield and located at the dust cover
Interior hydraulic cylinder, the hydraulic cylinder includes piston rod and cylinder barrel, and the cylinder barrel is along the piston rod in the shock absorber dirt shield
It is interior to slide；The top that the cylinder barrel is fixed at the top of end cap, the end cap is arranged with the top of cylinder barrel, in the end cap
Bottom is provided with the shirt rim extended axially downward along cylinder barrel, has gap between the bottom of the shirt rim and the cylinder barrel outer wall；Work as institute
When stating dust cover and swinging, the bottom of the shirt rim supports the inwall of the dust cover to make the bottom of dust cover and the cylinder barrel
Outer wall between have gap.
Preferably, the shirt rim includes the fixed area at top and the adjustment area of bottom, the top of the fixed area and cylinder barrel
Outer wall fits, and has gap between the outer wall of the adjustment area and the cylinder barrel.
Preferably, the shirt rim is by multiple axial and spaced reinforcing plate is surrounded, the bottom of each reinforcing plate along cylinder barrel
It is connected by retainer ring.
Preferably, the top of each reinforcing plate is the fixed area, and bottom is the adjustment area；The thickness of the fixed area is big
Thickness in adjustment area.
Preferably, be additionally provided with supporting part in the fixed area and adjustment interval, the supporting part from top to bottom thickness by
It is decrescence small.
Preferably, the fixed area is interference fitted with the cylinder barrel.
Preferably, the end cap is made of high-temperature resistance plastice.
Effect of the invention is that：The bottom of the end cap of shock absorber adds shirt rim, the more conventional end of entire length in this programme
Lid increases, and can be prevented effectively from dust cover and be rubbed in vehicle motion process with cylinder barrel lacquer painting, protection cylinder barrel lacquer painting prevents cylinder barrel from becoming rusty
The generation of erosion.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only one described in the present invention
A little embodiments, for those of ordinary skill in the art, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is existing damper structure schematic diagram.
Fig. 2 is structural representation when existing dust cover is offset.
Fig. 3 is the structural representation of shock absorber in the embodiment of the present invention.
Fig. 4 is the structural representation of end cover of shock absorber.
Fig. 5 is the sectional view of shock absorber bottom during use.
In prior art diagram：1a- end cover of shock absorber 2a- cylinder barrel 3a- dust cover 4a- piston rods
In figure of the present invention：1- shock absorber dirt shield 2- piston rod 3- cylinder barrel 4- end cap 5- shirt rim 51- are fixed
Area 52- adjusts area 53- reinforcing plate 54- supporting parts
Embodiment
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing to this hair
It is bright to be further detailed.
It is a kind of shock absorber provided in an embodiment of the present invention as shown in Fig. 3 to Fig. 5, including shock absorber dirt shield 1, is located at
Hydraulic cylinder in shock absorber dirt shield 1, hydraulic cylinder includes piston rod 2 and cylinder barrel 3, and cylinder barrel 3 is along piston rod in shock absorber dirt shield 1
It is interior to slide；End cap 4 is fixed with the top of cylinder barrel 3, end cap 4 plays the dustproof effect to cylinder barrel top, wherein, the top of end cap 4
Portion is fixed in the top of cylinder barrel 3, this programme, and end cap 4 not only plays the dustproof effect to cylinder barrel, is also acted as to cylinder barrel outer wall
Protective effect, wherein, it is provided with the bottom of end cap 4 outside the shirt rim 5 extended axially downward along cylinder barrel, the bottom of shirt rim 5 and cylinder barrel 3
There is gap between wall；When shock absorber dirt shield 1 is swung, the inwall of the bottom shock absorber for supporting dust cover 1 of shirt rim 5 makes it
There is gap between the outer wall of bottom and cylinder barrel 3, so that shock absorber dirt shield 1 and cylinder barrel wall contacts are avoided, the lacquer painting of protection cylinder barrel 3
Avoid occurring to scratch producing.In the present invention, the bottom of the end cap of shock absorber adds shirt rim, and the more conventional end cap of entire length increases,
Dust cover can be prevented effectively to rub with cylinder barrel lacquer painting in vehicle motion process, protection cylinder barrel lacquer painting prevents the production of cylinder barrel corrosion
It is raw.
As shown in figure 5, because being designed with skirt border structure, dust cover 1 just shifts to an earlier date and guide type end cap skirt before being rubbed with cylinder barrel 3
Side is contacted, and then, the limit pivot angle of dust cover 1 reduces, and still has safety clearance during limit pivot angle with cylinder barrel 3, and the lacquer painting of protection cylinder barrel 3 is drawn
Wound, the swing angle of dust cover 1 diminishes, compared to conventional structure, and the reliability of end cap 4 strengthens.Wherein, described limit pivot angle
To move to maximum distance apart, the swing angle of dust cover on cylinder barrel.
Wherein, with reference to shown in Fig. 4 and Fig. 5, shirt rim 5 includes the fixed area 51 at top and the adjustment area 52 of bottom, fixed area
51 are fitted with the outer wall at the top of cylinder barrel 3, and the top of cylinder barrel 3 is fixed and protected, and it can be used and cylinder barrel 3 is interference fitted and realized
Its fixation on the top of cylinder barrel 3.There is gap, fixed area 51 plays the work of fixed end cap between the outer wall of adjustment area 52 and cylinder barrel 3
With；Adjustment area 52 play a part of limit dust cover pivot angle, it is to avoid its excessive slew with cylinder barrel outer wall interfere.
With reference to shown in Fig. 4 and Fig. 5, in this programme, wherein, shirt rim 5 by it is multiple along cylinder barrel 3 it is axial and it is spaced strengthen
Plate 53 is surrounded, that is, shirt rim is now engraved structure, the shirt rim 5 of side is designed using hollow out, and purpose is in order to reduce shock absorber temperature
End cap is deformed caused by spending height.The top of each reinforcing plate 53 is that the bottom of fixed area 51 is adjustment area 52, the thickness of fixed area 51
More than the thickness in adjustment area 52, so that there is gap between the inwall and cylinder barrel in adjustment area, the bottom limitation in adjustment area 52
The swing of shock absorber dirt shield 1, shock absorber dirt shield 1 is when swinging, by the bottom shock absorber for supporting dust cover for adjusting area 52
1 so that the bottom of dust cover is not contacted with cylinder barrel 3.The bottom of each reinforcing plate 53 is connected by retainer ring, overall to improve shirt rim
Intensity.Shirt rim center section is root reinforcing plate 53, the bottom of each reinforcing plate 53 by retainer ring round sealed, integral diameter compared with
Conventional end cap is bigger, its diameter defining principle be more than former conventional end cap, less than dust cover internal diameter, itself and dust cover internal diameter difference
It is defined as realizing and does not disturb dust cover as small as possible under the premise of moving up and down, plays the purpose that limitation dust cover is swung.
In such scheme, as shown in figure 5, being additionally provided with supporting part 54, supporting part 54 between fixed area 51 and adjustment area 52
Stress for buffering fixed area 51 and adjustment area 52, from top to bottom thickness is gradually reduced supporting part 54, the top of supporting part 54
Overlapped with the bottom of fixed area, the bottom of supporting part is with adjusting the strong point that the top in area 52 coincides.Compressed in dust cover
Adjust area bottom when, inevitably adjustment area can produce radial contraction, by setting supporting part so that adjustment area shrink around
The strong point realizes radial contraction；The structure that supporting part 54 gradually changes by using thickness, improves support effect herein,
Avoid occurring non-reversible deformation.
It should be noted that the end cap 4 in this programme is made of high-temperature resistance plastice, specific length is dust-proof according to shock absorber
Cover 1 and cylinder barrel size are designed.
Some one exemplary embodiments of the present invention are only described by way of explanation above, undoubtedly, for ability
The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of modes to institute
The embodiment of description is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to the present invention
The limitation of claims.
Claims (7)
1. a kind of shock absorber, including shock absorber dirt shield and the hydraulic cylinder in the dust cover, the hydraulic cylinder include living
Stopper rod and cylinder barrel, the cylinder barrel are slided along the piston rod in the shock absorber dirt shield；End is arranged with the top of cylinder barrel
Lid, it is characterised in that the top of the cylinder barrel is fixed at the top of the end cap, is provided with along cylinder barrel axle in the bottom of the end cap
To the shirt rim extended downwardly, there is gap between the bottom of the shirt rim and the cylinder barrel outer wall；When the dust cover is swung
When, the bottom of the shirt rim supports the inwall of the dust cover to make between having between the bottom of dust cover and the outer wall of the cylinder barrel
Gap.
2. shock absorber as claimed in claim 1, it is characterised in that the shirt rim includes the fixed area at top and the adjustment of bottom
Area, the top exterior walls of the fixed area and cylinder barrel fit, and have gap between the outer wall of the adjustment area and the cylinder barrel.
3. shock absorber as claimed in claim 2, it is characterised in that the shirt rim is by multiple axial and spaced along cylinder barrel
Reinforcing plate is surrounded, and the bottom of each reinforcing plate is connected by retainer ring.
4. shock absorber as claimed in claim 3, it is characterised in that the top of each reinforcing plate is the fixed area, and bottom is institute
State adjustment area；The thickness of the fixed area is more than the thickness in adjustment area.
5. the shock absorber as described in claim any one of 2-4, it is characterised in that also set in the fixed area and adjustment interval
Supporting part is equipped with, from top to bottom thickness is gradually reduced the supporting part.
6. shock absorber as claimed in claim 5, it is characterised in that the fixed area is interference fitted with the cylinder barrel.
7. shock absorber as claimed in claim 1, it is characterised in that the end cap is made of high-temperature resistance plastice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710331749.8A CN107191528A (en) | 2017-05-11 | 2017-05-11 | A kind of shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710331749.8A CN107191528A (en) | 2017-05-11 | 2017-05-11 | A kind of shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107191528A true CN107191528A (en) | 2017-09-22 |
Family
ID=59872532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710331749.8A Pending CN107191528A (en) | 2017-05-11 | 2017-05-11 | A kind of shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107191528A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644292A (en) * | 2018-05-29 | 2018-10-12 | 北京汽车股份有限公司 | Vibration damper complement and vehicle with it |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100137266A (en) * | 2009-06-22 | 2010-12-30 | 주식회사 만도 | Cylinder cap of shock absorber |
| DE102011102466A1 (en) * | 2010-11-26 | 2012-05-31 | Volkswagen Aktiengesellschaft | Damper for a motor vehicle |
| CN204284292U (en) * | 2014-11-13 | 2015-04-22 | 北汽福田汽车股份有限公司 | A kind of vibration damper protecting cover and assembly thereof |
| CN205479097U (en) * | 2016-03-18 | 2016-08-17 | 宝沃汽车（中国）有限公司 | Bumper shock absorber dust cover and shock absorber assembly and vehicle |
| CN205877054U (en) * | 2016-06-22 | 2017-01-11 | 宝沃汽车（中国）有限公司 | A device, bumper shock absorber and vehicle for protecting a bumper shock absorber oil storage section of thick bamboo |
-
2017
- 2017-05-11 CN CN201710331749.8A patent/CN107191528A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100137266A (en) * | 2009-06-22 | 2010-12-30 | 주식회사 만도 | Cylinder cap of shock absorber |
| DE102011102466A1 (en) * | 2010-11-26 | 2012-05-31 | Volkswagen Aktiengesellschaft | Damper for a motor vehicle |
| CN204284292U (en) * | 2014-11-13 | 2015-04-22 | 北汽福田汽车股份有限公司 | A kind of vibration damper protecting cover and assembly thereof |
| CN205479097U (en) * | 2016-03-18 | 2016-08-17 | 宝沃汽车（中国）有限公司 | Bumper shock absorber dust cover and shock absorber assembly and vehicle |
| CN205877054U (en) * | 2016-06-22 | 2017-01-11 | 宝沃汽车（中国）有限公司 | A device, bumper shock absorber and vehicle for protecting a bumper shock absorber oil storage section of thick bamboo |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644292A (en) * | 2018-05-29 | 2018-10-12 | 北京汽车股份有限公司 | Vibration damper complement and vehicle with it |
| CN108644292B (en) * | 2018-05-29 | 2020-11-17 | 北京汽车股份有限公司 | Shock absorber assembly and vehicle with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170922 |
|
| WD01 | Invention patent application deemed withdrawn after publication |