CN203477156U - Hydraulic shock absorber - Google Patents
Hydraulic shock absorber Download PDFInfo
- Publication number
- CN203477156U CN203477156U CN201320638548.XU CN201320638548U CN203477156U CN 203477156 U CN203477156 U CN 203477156U CN 201320638548 U CN201320638548 U CN 201320638548U CN 203477156 U CN203477156 U CN 203477156U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- clutch release
- slave cylinder
- release slave
- locking nut
- 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.)
- Expired - Fee Related
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- Fluid-Damping Devices (AREA)
Abstract
The utility model relates to a hydraulic shock absorber which comprises a working cylinder and an oil storage cylinder. A connection rod, a restoration valve, a compression valve and a restoration buffering block are arranged in the working cylinder. The position, corresponding to the working cylinder and the top of the oil storage cylinder, of the connection rod is provided with an oil seal guiding assembly, and a buffering spring is further arranged in the working cylinder. The buffering spring is arranged at the end, close to the oil seal guiding assembly, of the connection rod in a sleeved mode, a clamp ring is arranged between the oil seal guiding assembly and the buffering spring, and one end of the buffering spring is clamped with the clamp ring. According to the hydraulic shock absorber, the buffering spring is arranged in the working cylinder of the hydraulic shock absorber, so that when the restoration buffering block of the hydraulic shock absorber moves to be in contact with the buffering spring, the hydraulic shock absorber can be relieved. Thus, the restoration buffering block cannot run into the oil seal guiding assembly, impact force in the hydraulic shock absorber can also be less, and therefore the good shock absorption effect of the hydraulic shock absorber can be kept and service life is longer.
Description
Technical field
The utility model relates to auto parts machinery field, is specifically related to a kind of hydraulic damper.
Background technique
In order to improve the stationarity of automobile running, make it more comfortable, in automotive suspension, conventionally vibration damper can be installed, the vibration damper using on Vehicles Collected from Market is hydraulic damper mostly, its working principle is when being subject to vibrations to occur relative movement between vehicle frame and vehicle bridge, piston in vibration damper is up and down, fluid in vibration damper chamber just flows in another chamber from different spaces repeatedly in a chamber, now, the intermolecular interior friction of friction between hole wall and fluid and fluid forms damping force to vibrations, the heat energy that the Conversion of Energy that makes thump is fluid, having vibration damper to absorb to be transformed in air goes again.
Current hydraulic damper generally includes clutch release slave cylinder, fuel tank, in its clutch release slave cylinder, be provided with connecting rod, rebuilt valve, compression valve, restore buffer stopper, rebuilt valve is secured by bolts in the bottom of connecting rod, compression valve is arranged at clutch release slave cylinder bottom, restoring buffer stopper is sheathed on connecting rod near middle position, the corresponding clutch release slave cylinder of its connecting rod and oil storage cylinder top are provided with oil sealing guidance set, when automobile produces vibrations in extension stroke, pull bar drives rebuilt valve to move up, the fluid of its clutch release slave cylinder inside from lower chambers to upper chamber in circulation to produce damping force, restoring buffer stopper also moves up until compress oil sealing guidance set, thereby the stationarity that keeps automobile, yet, when thump is excessive, fluid in vibration damper produces larger impact, the speed that connecting rod drives recovery buffer stopper to make progress is faster, cause restoring buffer stopper and oil sealing guidance set collides energetically, when restoring long-term the generation energetically of buffer stopper and oil sealing guidance set, collide it is easily damaged, thereby make vibration damper damping effect variation, even there is damping inefficacy, thereby reduce its working life.
Model utility content
The technical problems to be solved in the utility model has been to provide a kind of hydraulic damper, it has solved existing vibration damper when thump is excessive, connecting rod drives and restores the excessive velocities that buffer stopper makes progress, causing restoring buffer stopper and oil sealing guidance set collides energetically and makes it easy damage, make its damping effect variation, even there is damping inefficacy, thereby reduce its working life.
In order to solve the existing problem the utility model of background technique, adopted following technological scheme: a kind of hydraulic damper, comprise clutch release slave cylinder, fuel tank, in described clutch release slave cylinder, be provided with connecting rod, rebuilt valve, compression valve, restore buffer stopper, described rebuilt valve is secured by bolts in the bottom of connecting rod, described compression valve is arranged at clutch release slave cylinder bottom, described recovery buffer stopper is sheathed on connecting rod near middle position, the corresponding clutch release slave cylinder of described connecting rod and fuel tank top are provided with oil sealing guidance set, in described clutch release slave cylinder, be also provided with a damping spring, described damping spring is sheathed on connecting rod near one end of oil sealing guidance set, between described oil sealing guidance set and damping spring, be provided with a snap ring, described damping spring one end and snap ring fasten.
By adopting technique scheme, when thump is very large, when the relative compression valve of connecting rod drives recovery buffer stopper to make progress fast moving, thereby recovery buffer stopper just hits damping spring and is relaxed, just can not bump against oil sealing guidance set, and its internal impact power is also less, thereby make it keep good damping effect and longer service life, and snap ring can fine fixedly damping spring to keep its relative position.
Further setting of the present utility model: its top of the part of described connecting rod outside clutch release slave cylinder connects a locking nut by screw-thread fit, and described locking nut connects a dozen clads.
By adopting technique scheme; locking nut is by coordinating the position can well keep connecting rod, and the setting of packing lid can well protection lock jack panel, makes it be difficult for getting rusty; can not produce distortion because colliding with, increase its pot life and keep better fiting effect simultaneously yet yet.
Further setting of the present utility model: the side that described packing lid is connected with locking nut is provided with groove, described groove is identical with locking nut shape size, and described packing lid engages with locking nut mutually by groove.
By adopting above-mentioned technological scheme, coordinating between packing lid and locking nut is also more simple, makes easily dismounting between it, improves its efficiency of assembling.
Further setting of the present utility model: the lower end of described recovery buffer stopper is provided with a fixing ring stand, and described fixedly ring stand is sheathed on connecting rod by interference fit.
By adopting above-mentioned technological scheme, the fluid in vibration damper circulates when too fast, to restoring buffering, also can produce greater impact soon, and fixedly ring stand just can support maintenance and restores well the position of buffer stopper, to keep good cushioning effect.
The beneficial effects of the utility model are: hydraulic damper of the present utility model by being provided with damping spring in its clutch release slave cylinder, thereby when its recovery buffer stopper is moved, contacting damping spring is relaxed, just can not bump against oil sealing guidance set, its internal impact power is also less, thereby makes it keep good damping effect and longer service life.
Accompanying drawing explanation
Fig. 1 is a kind of hydraulic damper embodiment's of the utility model structural representation.
Embodiment
As shown in Figure 1, a kind of hydraulic damper of the utility model embodiment, comprise clutch release slave cylinder 1, fuel tank 2, in its clutch release slave cylinder 1, be provided with connecting rod 3, rebuilt valve 4, compression valve 5, restore buffer stopper 6, rebuilt valve 4 is fixed on the bottom of connecting rod 3 by bolt 7, compression valve 5 is arranged at clutch release slave cylinder 1 bottom, and restore buffer stopper 6, be sheathed on connecting rod 3 near middle position, the corresponding clutch release slave cylinder 1 of connecting rod 3 and fuel tank 2 tops are provided with oil sealing guidance set 8, further, in clutch release slave cylinder 1, be also provided with a damping spring 9, damping spring 9 is sheathed on to connecting rod 3 near one end of oil sealing guidance set 8, between its oil sealing guidance set 8 and damping spring 9, be provided with a snap ring 10, damping spring 9 one end and snap ring 10 fasten.Like this when thump is very large, when the relative compression valve 5 of connecting rod 3 drives recovery buffer stopper 6 to make progress fast moving, thereby recovery buffer stopper 6 just hits damping spring 9 and is relaxed, just can not bump against oil sealing guidance set 8, and its internal impact power is also less, thereby make it keep good damping effect and longer service life, and snap ring 10 can fine fixedly damping spring 9 to keep its relative position.
In the present embodiment, its top of the part of its connecting rod 3 outside clutch release slave cylinder 1 connects a locking nut 11 by screw-thread fit, locking nut 11 connects a dozen clads 12, and packing is covered 12 sides that are connected with locking nut 11 and is provided with groove 13, its groove 13 is identical with locking nut 11 shape sizes, will pack to cover 12 and mutually engage with locking nut 11 by groove 13.Like this packing cover 12 can well protection lock jack panel 11; make it be difficult for getting rusty, also can not produce distortion because colliding with, increase its pot life and also keep better fiting effect simultaneously; and between packing lid and locking nut, coordinate simple easily dismounting, improve its efficiency of assembling.
In the present embodiment, the lower end of restoring buffer stopper 6 is provided with a fixing ring stand 14, this fixedly ring stand 14 by interference fit, be sheathed on connecting rod 3.The circulation of fluid in the vibration damper is too fast like this produces greater impacts to restoring buffer stopper 6, its fixedly ring stand 14 just can support maintenance and restore well the position of buffer stopper 6, to keep good cushioning effect.
Claims (4)
1. a hydraulic damper, comprise clutch release slave cylinder, fuel tank, in described clutch release slave cylinder, be provided with connecting rod, rebuilt valve, compression valve, restore buffer stopper, described rebuilt valve is secured by bolts in the bottom of connecting rod, described compression valve is arranged at clutch release slave cylinder bottom, described recovery buffer stopper is sheathed on connecting rod near middle position, the corresponding clutch release slave cylinder of described connecting rod and fuel tank top are provided with oil sealing guidance set, it is characterized in that: in described clutch release slave cylinder, be also provided with a damping spring, described damping spring is sheathed on connecting rod near one end of oil sealing guidance set, between described oil sealing guidance set and damping spring, be provided with a snap ring, described damping spring one end and snap ring fasten.
2. a kind of hydraulic damper according to claim 1, is characterized in that: its top of the part of described connecting rod outside clutch release slave cylinder connects a locking nut by screw-thread fit, and described locking nut connects a dozen clads.
3. a kind of hydraulic damper according to claim 2, is characterized in that: the side that described packing lid is connected with locking nut is provided with groove, and described groove is identical with locking nut shape size, and described packing lid engages with locking nut mutually by groove.
4. a kind of hydraulic damper according to claim 1, is characterized in that: the lower end of described recovery buffer stopper is provided with a fixing ring stand, and described fixedly ring stand is sheathed on connecting rod by interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320638548.XU CN203477156U (en) | 2013-10-16 | 2013-10-16 | Hydraulic shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320638548.XU CN203477156U (en) | 2013-10-16 | 2013-10-16 | Hydraulic shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203477156U true CN203477156U (en) | 2014-03-12 |
Family
ID=50225490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320638548.XU Expired - Fee Related CN203477156U (en) | 2013-10-16 | 2013-10-16 | Hydraulic shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203477156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500638A (en) * | 2014-12-10 | 2015-04-08 | 四川川南减震器集团有限公司 | Steering damper |
-
2013
- 2013-10-16 CN CN201320638548.XU patent/CN203477156U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500638A (en) * | 2014-12-10 | 2015-04-08 | 四川川南减震器集团有限公司 | Steering damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20151016 |
|
| EXPY | Termination of patent right or utility model |