CN104565169A - Damper - Google Patents
Damper Download PDFInfo
- Publication number
- CN104565169A CN104565169A CN201310489449.4A CN201310489449A CN104565169A CN 104565169 A CN104565169 A CN 104565169A CN 201310489449 A CN201310489449 A CN 201310489449A CN 104565169 A CN104565169 A CN 104565169A
- Authority
- CN
- China
- Prior art keywords
- piston
- cylinder
- cylinder body
- vibration damper
- 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
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
- F16F9/10—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
- F16F9/185—Bitubular units
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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
- F16F9/3207—Constructional features
- F16F9/3214—Constructional features of pistons
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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
- F16F9/3207—Constructional features
- F16F9/3228—Constructional features of connections between pistons and piston rods
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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
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
- F16F9/3257—Constructional features of cylinders in twin-tube type devices
-
- 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
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/362—Combination of sealing and guide arrangements for piston rods
Abstract
The invention discloses a damper and relates to the technical field of automobile parts. The damper comprises a cylinder, a piston rod, a piston, three oil guide holes, an end cap and a baseplate, the piston rod and the piston are positioned in the cylinder, the oil guide holes are positioned in the side faces at two ends and in the side face in the middle respectively, the end cap and the baseplate are connected with two ends of the cylinder respectively, a guide sealing device is arranged at the upper end of the cylinder and comprises a guide sleeve and an oil seal ring, the cylinder is divided into an inner cylinder and an outer cylinder, a buffering cavity is formed between the inner cylinder and the outer cylinder, thickness of the buffering cavity is 8-10mm, a one-way overflow valve is arranged at each of two ends of the inner cylinder, springs are arranged at two ends of the piston, a boss is arranged at the lower end of the piston, and a groove is formed in the upper surface of the baseplate. By the damper, response speed of oil can be increased, stable changing of unloading hydraulic pressure can be ensured, and oscillation of the piston can be slowed down; the springs can avoid direct colliding between the piston and two ends of the cylinder. The damper is simple in structure and high in safety.
Description
Technical field
The invention belongs to technical field of automobile parts, particularly relate to a kind of vibration damper.
Background technique
Concussion when vibration damper rebounds after being mainly used to suppress spring shock-absorbing and the impact from road surface, vibration damper is the rapid wear accessory in automobile using process, vibration damper work quality, by the life-span of the stationarity He other parts that directly affect automobile running.As application number 201010527123.2 discloses a kind of vibration damper, comprise cylinder body, oil sealing, piston rod, piston, base plate and spring, described cylinder body upper end is provided with oil sealing, described piston rod is fixedly connected with piston, described base plate is fixedly connected with cylinder body, described base plate is provided with spring, this invention structure is simple, good seal performance, owing to base plate having been installed spring, piston is again rubber material, substantially increase damping effect, also there is the performance of buffering and sound insulation simultaneously, improve safety coefficient significantly, but the Oil Guide of this invention structure is the same with oil return speed, obviously can not improve damping effect, and spring only adds at one end, the other end is easily made to damage when vibration damper concuss, Security is not high.
Summary of the invention
The object of the present invention is to provide a kind of vibration damper, to solve the above-mentioned multinomial defect caused in prior art.
A kind of vibration damper, comprise cylinder body, piston rod, piston, oil guiding hole, end cap and base plate, described piston rod and piston are positioned at cylinder body, described oil guiding hole has 3, lay respectively at side, cylinder body two ends and medial side face, described end cap and base plate are connected with cylinder body two ends end respectively, described cylinder body upper end is provided with guiding-sealing device, described guiding-sealing device comprises guide sleeve and oil seal ring, described cylinder body is divided into inner casing and outer shell, buffer cavity is formed between described inner casing and outer shell, described buffer cavity thickness is 8-10mm, described inner casing two ends are equipped with one-way overflow valve, described piston two ends are provided with spring, described piston is provided with boss body, described plate upper surface is provided with groove.
Preferably, described oil seal ring is provided with 3 road annular projections.
Preferably, described guide sleeve length is 36-42mm.
Preferably, be provided with step hole in described piston, material is oil resistant rubber.
Preferably, described piston face is provided with wearing layer.
The invention has the advantages that: the liquid stored in buffer cavity can quickly flow into inner casing, accelerate speed of response, one-way overflow valve can ensure the smooth change of off-load hydraulic pressure, avoid inner casing hydraulic pressure and sharply change the concussion caused, spring can avoid the direct collision at piston and cylinder body two ends, extend piston working life, boss body and groove can make contacting of piston or base plate more level and smooth, annular projection can avoid fluid to overflow from piston rod, improve the sealing of cylinder body, guide sleeve can improve the precision of piston rod movement guiding, step hole is provided with in piston, piston is facilitated to be connected with piston rod and to make connection compacter, surface is provided with wearing layer, enhance the wear resistance of piston.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of vibration damper of the present invention.
Fig. 2 is the plan view of a kind of vibration damper of the present invention.
Wherein: 1-cylinder body, 2-piston rod, 3-piston, 4-oil guiding hole, 5-end cap, 6-base plate, 7-guiding-sealing device, 8-guide sleeve, 9-oil seal ring, 10-inner casing, 11-outer shell, 12-buffer cavity, 13-one-way overflow valve, 14-spring, 15-boss body, 16-groove.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
As depicted in figs. 1 and 2, a kind of vibration damper, comprise cylinder body 1, piston rod 2, piston 3, oil guiding hole 4, end cap 5 and base plate 6, described piston rod 2 and piston 3 are positioned at cylinder body 1, described oil guiding hole 4 has 3, lay respectively at side, cylinder body 1 two ends and medial side face, described end cap 5 and base plate 6 are connected with cylinder body 1 two ends end respectively, described cylinder body 1 upper end is provided with guiding-sealing device 7, described guiding-sealing device 7 comprises guide sleeve 8 and oil seal ring 9, described cylinder body 1 is divided into inner casing 10 and outer shell 11, buffer cavity 12 is formed between described inner casing 10 and outer shell 11, described buffer cavity 12 thickness is 8-10mm, described inner casing 10 two ends are equipped with one-way overflow valve 13, described piston 3 two ends are provided with spring 14, described piston 3 lower end is provided with boss body 15, described base plate 6 upper surface is provided with groove 16, the liquid stored in described buffer cavity 12 can quickly flow into inner casing 10, accelerate speed of response, described one-way overflow valve 13 can ensure the smooth change of off-load hydraulic pressure, avoid inner casing 10 hydraulic pressure and sharply change the concussion caused, described spring 14 can avoid the direct collision at piston 3 and cylinder body 1 two ends, described boss body 15 and groove 16 can make contacting of piston 3 or base plate 6 more level and smooth.
It should be noted that described oil seal ring 9 is provided with 3 road annular projections, avoid fluid to overflow from piston rod 2, improve the sealing of cylinder body 1.
In addition, described guide sleeve 8 length is 36-42mm, improves the precision of piston rod 2 motion guide.
In the present embodiment, be provided with step hole in described piston 3, facilitate piston 3 be connected with piston rod 2 and make connection compacter, described piston 3 surface is provided with wearing layer, strengthens the wear resistance of piston 3.
Based on above-mentioned, the liquid stored in buffer cavity can quickly flow into inner casing, accelerate speed of response, one-way overflow valve can ensure the smooth change of off-load hydraulic pressure, avoid inner casing hydraulic pressure and sharply change the concussion caused, spring can avoid the direct collision at piston and cylinder body two ends, extends piston working life, boss body and groove can make contacting of piston or base plate more level and smooth, and reliability is high.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (5)
1. a vibration damper, comprise cylinder body, piston rod, piston, oil guiding hole, end cap and base plate, described piston rod and piston are positioned at cylinder body, described oil guiding hole has 3, lay respectively at side, cylinder body two ends and medial side face, described end cap and base plate are connected with cylinder body two ends end respectively, described cylinder body upper end is provided with guiding-sealing device, described guiding-sealing device comprises guide sleeve and oil seal ring, it is characterized in that: described cylinder body is divided into inner casing and outer shell, buffer cavity is formed between described inner casing and outer shell, described buffer cavity thickness is 8-10mm, described inner casing two ends are equipped with one-way overflow valve, described piston two ends are provided with spring, described piston is provided with boss body, described plate upper surface is provided with groove.
2. a kind of vibration damper according to claim 1, is characterized in that: described oil seal ring is provided with 3 road annular projections.
3. a kind of vibration damper according to claim 1, is characterized in that: described guide sleeve length is 36-42mm.
4. a kind of vibration damper according to claim 1, is characterized in that: be provided with step hole in described piston.
5. a kind of vibration damper according to claim 1, is characterized in that: described piston face is provided with wearing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310489449.4A CN104565169A (en) | 2013-10-18 | 2013-10-18 | Damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310489449.4A CN104565169A (en) | 2013-10-18 | 2013-10-18 | Damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104565169A true CN104565169A (en) | 2015-04-29 |
Family
ID=53081974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310489449.4A Pending CN104565169A (en) | 2013-10-18 | 2013-10-18 | Damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104565169A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088951A (en) * | 2014-07-02 | 2014-10-08 | 杨浩 | Shock absorber |
| CN105000447A (en) * | 2015-07-23 | 2015-10-28 | 南通米兰特电气有限公司 | Multi-groove oil buffer |
| CN108660686A (en) * | 2017-03-27 | 2018-10-16 | 青岛海尔洗衣机有限公司 | Damper and washing machine including the damper |
| CN109398016A (en) * | 2018-12-11 | 2019-03-01 | 苏州大方特种车股份有限公司 | A kind of guiding resilient suspension mechanism provided and vehicle |
| CN109591740A (en) * | 2019-01-15 | 2019-04-09 | 康郦 | New automobile crash cushions |
| CN110056595A (en) * | 2019-05-11 | 2019-07-26 | 李红 | A kind of limit shock absorber structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001343043A (en) * | 2000-06-01 | 2001-12-14 | Showa Corp | Gas spring |
| US20050067240A1 (en) * | 2003-09-29 | 2005-03-31 | David Holiviers | Adjacent baffle design for shock absorber |
| CN201087760Y (en) * | 2007-07-23 | 2008-07-16 | 南阳淅减汽车减振器有限公司 | Pump type displacement related vibration damper with variable damp |
| CN102606666A (en) * | 2012-03-08 | 2012-07-25 | 浙江戈尔德减振器有限公司 | Automotive shock absorber |
| CN202971713U (en) * | 2012-11-16 | 2013-06-05 | 温岭市星火减震器有限公司 | Shock absorber of motorcycle |
-
2013
- 2013-10-18 CN CN201310489449.4A patent/CN104565169A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001343043A (en) * | 2000-06-01 | 2001-12-14 | Showa Corp | Gas spring |
| US20050067240A1 (en) * | 2003-09-29 | 2005-03-31 | David Holiviers | Adjacent baffle design for shock absorber |
| CN201087760Y (en) * | 2007-07-23 | 2008-07-16 | 南阳淅减汽车减振器有限公司 | Pump type displacement related vibration damper with variable damp |
| CN102606666A (en) * | 2012-03-08 | 2012-07-25 | 浙江戈尔德减振器有限公司 | Automotive shock absorber |
| CN202971713U (en) * | 2012-11-16 | 2013-06-05 | 温岭市星火减震器有限公司 | Shock absorber of motorcycle |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088951A (en) * | 2014-07-02 | 2014-10-08 | 杨浩 | Shock absorber |
| CN105000447A (en) * | 2015-07-23 | 2015-10-28 | 南通米兰特电气有限公司 | Multi-groove oil buffer |
| CN108660686A (en) * | 2017-03-27 | 2018-10-16 | 青岛海尔洗衣机有限公司 | Damper and washing machine including the damper |
| CN108660686B (en) * | 2017-03-27 | 2021-05-25 | 青岛胶南海尔洗衣机有限公司 | Damper and washing machine including the same |
| CN109398016A (en) * | 2018-12-11 | 2019-03-01 | 苏州大方特种车股份有限公司 | A kind of guiding resilient suspension mechanism provided and vehicle |
| CN109591740A (en) * | 2019-01-15 | 2019-04-09 | 康郦 | New automobile crash cushions |
| CN110056595A (en) * | 2019-05-11 | 2019-07-26 | 李红 | A kind of limit shock absorber structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |
|
| WD01 | Invention patent application deemed withdrawn after publication |