CN2379647Y - Anti oil returning back and two direction action drum like vibration-damper - Google Patents
Anti oil returning back and two direction action drum like vibration-damper Download PDFInfo
- Publication number
- CN2379647Y CN2379647Y CN 99224205 CN99224205U CN2379647Y CN 2379647 Y CN2379647 Y CN 2379647Y CN 99224205 CN99224205 CN 99224205 CN 99224205 U CN99224205 U CN 99224205U CN 2379647 Y CN2379647 Y CN 2379647Y
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- China
- Prior art keywords
- guide sleeve
- housed
- piston rod
- clutch release
- seat
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- Expired - Fee Related
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Abstract
The utility model relates to a barrel type vibration damper of anti-oil return two-way action. The utility model is provided with an oil storage cylinder in which a work cylinder is arranged, the both ends of the work cylinder are respectively provided with a guide sleeve seat and a compression valve seat, the compression valve seat is provided with a compensation valve and a compression valve, and the guide sleeve seat is provided with a guide sleeve; the inner of the work cylinder is provided with a piston which is provided with a flow valve and a stretching valve, and the middle of the piston is provided with a piston rod which cooperates with the guide sleeve; sandwich layers which are arranged in the work cylinder and between the work cylinder and the oil storage cylinder are filled with damping oil; the upper part of the guide sleeve is provided with a sealing ring which matches with the piston rod to prevent air of the upper part of the guide sleeve from entering the work cylinder, which avoids the problem that the vibration damper generates damping abrupt changes and improves the lubricating condition.
Description
The utility model belongs to a kind of vibration damping equipment, particularly a kind of anti-oil return double adjustable shock absorber that is suitable for the haulage vehicle use.
Double adjustable shock absorber uses very extensive on various vehicles, and it is to utilize the interaction of liquid, piston and valve to slow down vibration, reaches the effect of vibration damping.Double adjustable shock absorber of the prior art is mainly by oil storage cylinder, clutch release slave cylinder, guide sleeve seat, the compression valve seat, composition such as piston and piston rod, clutch release slave cylinder is positioned at oil storage cylinder, guide sleeve seat and compression valve seat are contained in the two ends of clutch release slave cylinder respectively, on the compression valve seat, recuperation valve and compression valve are housed, the guide sleeve that matches with piston rod is housed on guide sleeve seat, to reduce friction between the two, flowing valve and rebound valve are housed on piston, in clutch release slave cylinder and in the interlayer between clutch release slave cylinder and the oil storage cylinder, be filled with damping oil, the upper space of interlayer and the upper space of guide sleeve seat are full of air, and two-part space is interconnected.The problem that this vibration damper exists is, 1, when piston rod and guide sleeve wear and tear, when matching gap increases, perhaps because machining error when big, be stressed less or force-bearing situation comparatively stably under the state at vibration damper, in the interlayer that is back to clutch release slave cylinder and oil storage cylinder that damping oil can be too much, make the top that slowly enters into clutch release slave cylinder the gap of air between piston rod and guide sleeve on guide sleeve seat top, in case run into bigger jolting, air will be discharged rapidly from this gap, make the damping of vibration damper produce sudden change, vehicle produces bigger vibration and abnormal sound.In addition,, also can cause clutch release slave cylinder internal damping oil level to descend, the lubricated generation of piston rod is interrupted, thereby further aggravate the wearing and tearing of piston rod and guide sleeve because air enters into the top of clutch release slave cylinder.2, piston rod can be subjected to the effect of radial force when work, produce certain elastic bending, this elastic bending meeting causes piston rod and the mutual other strength of guide sleeve, and the area of contact of piston rod and guide sleeve is reduced, destroy oil film between the two, form local dry friction, cause the resistance to motion of piston rod to increase, cause piston rod and guide sleeve heavy wear, and produce high temperature, make the damping oil carbonization, vibration damper loses effectiveness in vibration suppression, reduce working life, when the coaxality machining error of piston rod and guide sleeve was big, this influence was just more remarkable.
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and existing double adjustable shock absorber is improved, and the anti-oil return double adjustable shock absorber of a kind of good damping result, long service life is provided.
The utility model is achieved in that
It has an oil storage cylinder, clutch release slave cylinder is housed in oil storage cylinder, the two ends of clutch release slave cylinder are equipped with guide sleeve seat and compression valve seat respectively, on the compression valve seat recuperation valve and compression valve are housed, guide sleeve is housed on guide sleeve seat, piston also is housed in clutch release slave cylinder, flowing valve and rebound valve are housed on the piston, the piston rod that matches with guide sleeve is housed in the centre of piston, in clutch release slave cylinder and in the interlayer between clutch release slave cylinder and the oil storage cylinder, be filled with damping oil, on the top of guide sleeve the seal ring that matches with piston rod is housed, enters into clutch release slave cylinder, prevent too much being back in the interlayer between clutch release slave cylinder and the oil storage cylinder of damping oil with the air that stops guide sleeve top.
In order to eliminate the mutual other strength of piston rod and guide sleeve, the phenomenon of local dry friction is equipped with the double action guide way in guide sleeve seat, to improve the lubrication state of piston rod.
The utility model compared with prior art has following advantage:
1, on the top of guide sleeve the seal ring that matches with piston rod is installed, the sealing ring has effectively stoped the air on guide sleeve top to enter into clutch release slave cylinder, thereby prevented too much being back in the interlayer between clutch release slave cylinder and the oil storage cylinder of damping oil, simultaneously, damping oil in the clutch release slave cylinder is oozed out between piston rod and guide sleeve on a small quantity, between piston rod and guide sleeve, keep good lubricating, therefore, the problem of damping sudden change can not appear in vibration damper, avoid vehicle the phenomenon of vibration to occur, and effectively improved the lubrication state of piston rod.
2, the double action guide way is installed in guide sleeve seat, make guide sleeve along with piston rod changes in certain scope, thereby, bear big radial force and produce elastic bending or part coaxality machining error when big, not other strength between piston rod and the guide sleeve at piston rod, remain the face contact between the two, resistance when having reduced piston rod movement bears at piston rod under the situation of big radial force, and effectiveness in vibration suppression is still good, simultaneously, also prolonged the working life of vibration damper.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of another embodiment of the utility model.
Provide embodiment of the present utility model below in conjunction with accompanying drawing:
Embodiment 1:
As shown in Figure 1, the utility model has an oil storage cylinder 13, and oil storage cylinder 13 is a cylindrical shape, its end sealing; Clutch release slave cylinder 5 is housed in oil storage cylinder 13, the two ends of clutch release slave cylinder 5 are equipped with guide sleeve seat 3 and compression valve seat 8 respectively, sealing and fixing between the three, below compression valve seat 8, oil through 10 is arranged, the lower space of compression valve seat 8 is connected with oil storage cylinder 13, on the edge of guide sleeve seat 3, also have spill port 15, thus the enclosed space that is interconnected in the inside and outside formation of worker's seat cylinder 5; On compression valve seat 8 recuperation valve 9 and compression valve 11 are housed, wherein the cracking pressure of recuperation valve 9 is lower, and the cracking pressure of compression valve 11 is higher; Guide sleeve 4 is housed on guide sleeve seat 3, piston 6 also is housed in clutch release slave cylinder 5, flowing valve 7 and rebound valve 12 are housed on the piston 6, the cracking pressure of circulate among valve 7 is lower, and the cracking pressure of rebound valve 12 is higher; In the centre of piston 6 piston rod 1 that matches with guide sleeve 4 is housed, piston rod 1 stretches out from the end of oil storage cylinder 13, in order to prevent leakage of oil, in the end of oil storage cylinder 13 oil sealing 2 is housed also; In clutch release slave cylinder 5 and in the interlayer between clutch release slave cylinder 5 and the oil storage cylinder 13, be filled with damping oil 14, damping oil 14 in clutch release slave cylinder 5, the upper space and the lower space of piston 6 all be in full state, and only fill a part in the interlayer between clutch release slave cylinder 5 and oil storage cylinder 13, the variation that facilitates the use interlayer upper air volume changes total measurement (volume) in the damper body plays regulating action; The seal ring 16 that matches with piston rod 1 is housed on the top of guide sleeve 4, elastic member 17 is housed on seal ring 16, elastic member 17 is spirality pressure springs, seal ring 16 is under a kind of yielding support state, top at guide sleeve 4 constitutes the one-way sealing structure, stop the air on guide sleeve 4 tops to enter into clutch release slave cylinder 5, and make piston rod 1 remain good lubricating.
Embodiment 2:
As shown in Figure 2, its structure such as embodiment 1, difference is, double action guide way 18 is housed in guide sleeve seat 3, guide sleeve 4 is installed in the double action guide way 18, surface of contact between described double action guide way 18 and the guide sleeve seat 3 is a sphere, therefore, double action guide way 18 can freely rotate in guide sleeve seat 3, guide sleeve 4 can be changed in certain scope along with piston rod 1, avoid mutual other strength between the two, on the sphere between double action guide way 18 and the guide sleeve seat 3, seal ring 19 is housed, in case leak-stopping oil.
Claims (3)
1, a kind of anti-oil return double adjustable shock absorber, it has an oil storage cylinder (13), clutch release slave cylinder (5) is housed in oil storage cylinder (13), the two ends of clutch release slave cylinder (5) are equipped with guide sleeve seat (3) and compression valve seat (8) respectively, on the compression valve seat (8) recuperation valve (9) and compression valve (11) are housed, guide sleeve (4) is housed on guide sleeve seat (3), piston (6) also is housed in clutch release slave cylinder (5), flowing valve (7) and rebound valve (12) are housed on the piston (6), the piston rod (1) that matches with guide sleeve (4) is housed in the centre of piston (6), in clutch release slave cylinder (5) and in the interlayer between clutch release slave cylinder (5) and the oil storage cylinder (13), be filled with damping oil (14), it is characterized in that, the seal ring (16) that matches with piston rod (1) is housed on the top of guide sleeve (4).
2, anti-oil return double adjustable shock absorber according to claim 1 is characterized in that, elastic member (17) is housed on seal ring (16).
3, anti-oil return double adjustable shock absorber according to claim 1 is characterized in that, double action guide way (18) is housed in guide sleeve seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99224205 CN2379647Y (en) | 1999-06-18 | 1999-06-18 | Anti oil returning back and two direction action drum like vibration-damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99224205 CN2379647Y (en) | 1999-06-18 | 1999-06-18 | Anti oil returning back and two direction action drum like vibration-damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2379647Y true CN2379647Y (en) | 2000-05-24 |
Family
ID=34014299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99224205 Expired - Fee Related CN2379647Y (en) | 1999-06-18 | 1999-06-18 | Anti oil returning back and two direction action drum like vibration-damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2379647Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102405359A (en) * | 2009-03-12 | 2012-04-04 | 贝尔直升机泰克斯特龙公司 | Method and apparatus for improved vibration isolation |
| CN102555724A (en) * | 2012-01-19 | 2012-07-11 | 太原科技大学 | Hydraulic damping balanced type swinging axle for loader |
| CN104653684A (en) * | 2013-11-19 | 2015-05-27 | 丹阳市中远车灯有限公司 | Cylindrical oil leakage preventing shock absorber |
| CN107299952A (en) * | 2017-08-29 | 2017-10-27 | 宣昌黎 | Motor-driven reducing shock absorber |
| CN107816507A (en) * | 2016-09-12 | 2018-03-20 | 马建群 | Six degree of freedom vibration-damped table in parallel |
-
1999
- 1999-06-18 CN CN 99224205 patent/CN2379647Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102405359A (en) * | 2009-03-12 | 2012-04-04 | 贝尔直升机泰克斯特龙公司 | Method and apparatus for improved vibration isolation |
| CN102405359B (en) * | 2009-03-12 | 2015-02-11 | 贝尔直升机泰克斯特龙公司 | Method and apparatus for improved vibration isolation |
| CN102555724A (en) * | 2012-01-19 | 2012-07-11 | 太原科技大学 | Hydraulic damping balanced type swinging axle for loader |
| CN104653684A (en) * | 2013-11-19 | 2015-05-27 | 丹阳市中远车灯有限公司 | Cylindrical oil leakage preventing shock absorber |
| CN107816507A (en) * | 2016-09-12 | 2018-03-20 | 马建群 | Six degree of freedom vibration-damped table in parallel |
| CN107299952A (en) * | 2017-08-29 | 2017-10-27 | 宣昌黎 | Motor-driven reducing shock absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |