CN204357838U - A kind of oily cylinder cushion - Google Patents
A kind of oily cylinder cushion Download PDFInfo
- Publication number
- CN204357838U CN204357838U CN201420848773.0U CN201420848773U CN204357838U CN 204357838 U CN204357838 U CN 204357838U CN 201420848773 U CN201420848773 U CN 201420848773U CN 204357838 U CN204357838 U CN 204357838U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- cushion collar
- shrinkage pool
- cushion
- limiting stopper
- 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 provides a kind of oily cylinder cushion with stable cushioning effect, comprise cylinder bottom head bottom cylinder barrel, cylinder barrel and sliding inner sleeve in the piston rod of cylinder barrel, the middle part of described cylinder bottom head is provided with projection, the shrinkage pool that can be socketed projection is provided with bottom described piston rod, cushion collar is socketed with in described shrinkage pool, the top of described shrinkage pool is provided with the limiting stopper of the up and down amount of restriction cushion collar, the cross section of described limiting stopper is ⊥ shape, described cushion collar is actively socketed on limiting stopper, and described limiting stopper is fixed by screws on piston rod; Shrinkage pool of the present utility model is arranged with cushion collar, is that cushion collar contacts with projection during cylinder buffer, can pull down replacing, make the cushioning effect that oil cylinder can keep stable after cushion collar wearing and tearing; Cushion collar can be limited up and down in shrinkage pool, makes it have better cushioning effect.
Description
Technical field
The utility model relates to hydraulic jack field, and what especially relate to is a kind of oily cylinder cushion.
Background technique
Common hydraulic jack does not have damping device or its damping device to be generally to arrange a buffer plunger on the piston rod, when piston retraction cylinder bottom, buffer plunger puts in the cushion hole of cylinder bottom, the gap of cushion hole and buffer plunger is very little makes oil hydraulic cylinder oil return produce back pressure, thus plays buffer function.It will reach good cushioning effect, and the gap setting of buffer plunger and cushion hole is less, and buffer plunger and cushion hole often cause wearing and tearing at work, cause cushioning effect to decline.
Model utility content
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of oily cylinder cushion with stable cushioning effect.
For achieving the above object, technical solution of the present utility model is: a kind of oily cylinder cushion, comprise cylinder bottom head bottom cylinder barrel, cylinder barrel and sliding inner sleeve in the piston rod of cylinder barrel, the middle part of described cylinder bottom head is provided with projection, be provided with the shrinkage pool that can be socketed projection bottom described piston rod, in described shrinkage pool, be socketed with cushion collar.
Preferably, the top of described shrinkage pool is provided with the limiting stopper of the up and down amount of restriction cushion collar, and the cross section of described limiting stopper is ⊥ shape, and described cushion collar is actively socketed on limiting stopper.
Preferably, the hardness of described cushion collar is low compared with the hardness of projection, and described limiting stopper is fixed by screws on piston rod.
By adopting above-mentioned technological scheme, the beneficial effects of the utility model are: shrinkage pool of the present utility model is arranged with cushion collar, are that cushion collar contacts with projection during cylinder buffer, can pull down replacing, make the cushioning effect that oil cylinder can keep stable after cushion collar wearing and tearing; Cushion collar can be limited up and down in shrinkage pool, makes it have better cushioning effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Main Reference Numerals illustrates:
Cylinder barrel 1 piston rod 2
Shrinkage pool 21 cushion collar 22
Limiting stopper 23 screw 24
Cylinder bottom head 3 projection 31.
Embodiment
The utility model is further illustrated below in conjunction with the drawings and specific embodiments.
As Fig. 1, the oily cylinder cushion of one of the present utility model, comprise cylinder bottom head 3 bottom cylinder barrel 1, cylinder barrel 1 and sliding inner sleeve in the piston rod 2 of cylinder barrel 1, the middle part of described cylinder bottom head 3 is provided with projection 31, the bottom of described piston rod 2 is provided with the shrinkage pool 21 that can be socketed projection 31, is socketed with cushion collar 22 in described shrinkage pool 21, and described cushion collar 22 is magnesium iron material, hardness comparatively cylinder bottom head is low, can reduce the wearing and tearing of cylinder bottom head 3; The top of described shrinkage pool 21 is provided with the limiting stopper 23 of the up and down amount of restriction cushion collar 22, the cross section of described limiting stopper 23 is ⊥ shape, described cushion collar 22 is actively socketed on limiting stopper 23, and described limiting stopper 23 is fixed on piston rod 2 by screw 24, and conveniently replaced cushion collar 22 fixed by screw.
Above-described, be only preferred embodiment of the present utility model, the scope that this practicality is implemented can not be limited, every equalization change of doing according to the utility model claim and decoration, all should still belong in scope that the utility model contains.
Claims (3)
1. an oily cylinder cushion, comprise cylinder bottom head bottom cylinder barrel, cylinder barrel and sliding inner sleeve in the piston rod of cylinder barrel, it is characterized in that: the middle part of described cylinder bottom head is provided with projection, bottom described piston rod, be provided with the shrinkage pool that can be socketed projection, in described shrinkage pool, be socketed with cushion collar.
2. the oily cylinder cushion of one according to claim 1, is characterized in that: the top of described shrinkage pool is provided with the limiting stopper of the up and down amount of restriction cushion collar, and the cross section of described limiting stopper is ⊥ shape, and described cushion collar is actively socketed on limiting stopper.
3. the oily cylinder cushion of one according to claim 2, is characterized in that: the hardness of described cushion collar is low compared with the hardness of projection, and described limiting stopper is fixed by screws on piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848773.0U CN204357838U (en) | 2014-12-29 | 2014-12-29 | A kind of oily cylinder cushion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848773.0U CN204357838U (en) | 2014-12-29 | 2014-12-29 | A kind of oily cylinder cushion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204357838U true CN204357838U (en) | 2015-05-27 |
Family
ID=53259311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420848773.0U Expired - Fee Related CN204357838U (en) | 2014-12-29 | 2014-12-29 | A kind of oily cylinder cushion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204357838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765141A (en) * | 2020-06-29 | 2020-10-13 | 徐州徐工随车起重机有限公司 | Bidirectional impact-proof hydraulic telescopic oil cylinder for lorry-mounted crane |
-
2014
- 2014-12-29 CN CN201420848773.0U patent/CN204357838U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765141A (en) * | 2020-06-29 | 2020-10-13 | 徐州徐工随车起重机有限公司 | Bidirectional impact-proof hydraulic telescopic oil cylinder for lorry-mounted crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20211229 |