CN202971415U - Two-gear buffer - Google Patents
Two-gear buffer Download PDFInfo
- Publication number
- CN202971415U CN202971415U CN 201220608145 CN201220608145U CN202971415U CN 202971415 U CN202971415 U CN 202971415U CN 201220608145 CN201220608145 CN 201220608145 CN 201220608145 U CN201220608145 U CN 201220608145U CN 202971415 U CN202971415 U CN 202971415U
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- piston
- recoil
- piston rod
- recoil piston
- 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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Abstract
The utility model discloses a two-gear buffer, and is characterized in that a recoil piston is arranged in a hydraulic cylinder body, a piston rod is arranged in a middle hole of the recoil piston, a flange is arranged on the lower end of the piston rod, a cylinder cover is fixedly arranged on the upper port part of the hydraulic cylinder body, an inner chamber of the hydraulic cylinder body on the upper end of the recoil piston is connected with a low-pressure hydraulic source through a pressure control valve, and the inner chamber of the hydraulic cylinder body on the lower end of the recoil piston is communicated with a high-pressure hydraulic source. The two-gear buffer, provided by the utility model, has the advantages of wider adaptability and better buffer effect.
Description
Technical field
The utility model relates to buffer system, relates in particular to the buffer system that has two kinds of cushion effect strength in the middle of a stroke.
Background technique
Be in some machinery, some moving elements approach at the end in working stroke, often need it is applied a buffer function power opposite with its moving direction, in order to slow down on the one hand, prevent the bad infringement that impact force that too fast speed produces causes device systems or cause security incident on the other hand, for example: forging and pressing class hydraulic press, its workpiece slide block punching process complete instantaneous, can produce larger impact force, this impact force all can produce baleful consequences for hydraulic system and mechanical part.For this reason, generally buffer system will be set on this kind equipment, still, existing buffer system is only generally common oil hydraulic cylinder or cylinder, can only produce a kind of cushion effect of strength, and cushioning effect is relatively poor.
Summary of the invention
The purpose of this utility model is: for the existing defects of existing buffer system, the utility model provides a kind of two grades of novel buffers, overcomes the existing existing defects of buffer.
the technological scheme that the above-mentioned purpose that realizes the utility model adopts is: described a kind of two grades of buffers, it is by hydraulic cylinder, the recoil piston, piston rod, cylinder cap, pressure controlled valve, the low-pressure hydraulic source, the high pressure liquid potential source forms, it is characterized in that: a recoil piston is set in hydraulic cylinder, be provided with piston rod in the intermediate hole of recoil piston, the underpart of described piston rod has flange, install at the upper end of hydraulic cylinder oral area and fix a cylinder cap, be connected with the low-pressure hydraulic source through a pressure controlled valve at the inner chamber of the hydraulic cylinder of recoil piston upper end, inner chamber at the hydraulic cylinder of recoil piston lower end is connected with the high pressure liquid potential source.
Working procedure of the present utility model is: when moving element contacts with the upper end of piston rod, impact force is applied on piston rod, piston rod moves downward, but, because the inner chamber at the hydraulic cylinder of recoil piston lower end is connected with the high pressure liquid potential source, the recoil piston moves upward, after the chamber pressure of the hydraulic cylinder of recoil piston upper end rises to a certain degree, the pressure controlled valve cut-off, the inner chamber sealing of hydraulic cylinder of piston upper end recoils this moment, the recoil piston can't rise, and at this moment, piston rod bears the active force from the high pressure liquid potential source.
Beneficial effect: the utility model so the utility model not only has adaptability advantage more widely, simultaneously, also has cushioning effect advantage preferably due to the buffering strength with two gears.
Description of drawings
Accompanying drawing is principle schematic of the present utility model.
Shown in figure: 1, hydraulic cylinder; 2, recoil piston; 3, piston rod; 4, cylinder cap; 5, pressure controlled valve; 6, low-pressure hydraulic source; 7, high pressure liquid potential source; 8, flange.
Embodiment
a kind of two grades of buffers, it comprises hydraulic cylinder (1), recoil piston (2), piston rod (3), cylinder cap (4), pressure controlled valve (5), low-pressure hydraulic source (6), high pressure liquid potential source (7) forms, a recoil piston (2) is set in hydraulic cylinder (1), be provided with piston rod (3) in the intermediate hole of recoil piston (2), the underpart of piston rod (3) has flange (8), have along the mobile degrees of freedom of flange (8) upper end piston rod (3) at recoil piston (2), install at the upper end of hydraulic cylinder (1) oral area and fix a cylinder cap (4), inner chamber at the hydraulic cylinder (1) of recoil piston (2) upper end is connected with low-pressure hydraulic source (6) through a pressure controlled valve (5), inner chamber at the hydraulic cylinder (1) of recoil piston (2) lower end is connected with high pressure liquid potential source (7).
Claims (1)
1. two grades of buffers, it is characterized in that: it comprises hydraulic cylinder (1), recoil piston (2), piston rod (3), cylinder cap (4), pressure controlled valve (5), low-pressure hydraulic source (6), high pressure liquid potential source (7) forms, a recoil piston (2) is set in hydraulic cylinder (1), be provided with piston rod (3) in the intermediate hole of recoil piston (2), the underpart of piston rod (3) has flange (8), have along the mobile degrees of freedom of flange (8) upper end piston rod (3) at recoil piston (2), install at the upper end of hydraulic cylinder (1) oral area and fix a cylinder cap (4), inner chamber at the hydraulic cylinder (1) of recoil piston (2) upper end is connected with low-pressure hydraulic source (6) through a pressure controlled valve (5), inner chamber at the hydraulic cylinder (1) of recoil piston (2) lower end is connected with high pressure liquid potential source (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220608145 CN202971415U (en) | 2012-11-18 | 2012-11-18 | Two-gear buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220608145 CN202971415U (en) | 2012-11-18 | 2012-11-18 | Two-gear buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202971415U true CN202971415U (en) | 2013-06-05 |
Family
ID=48512499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220608145 Expired - Fee Related CN202971415U (en) | 2012-11-18 | 2012-11-18 | Two-gear buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202971415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966626A (en) * | 2012-11-18 | 2013-03-13 | 苏州蓝王机床工具科技有限公司 | Two-gear buffer system |
-
2012
- 2012-11-18 CN CN 201220608145 patent/CN202971415U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966626A (en) * | 2012-11-18 | 2013-03-13 | 苏州蓝王机床工具科技有限公司 | Two-gear buffer system |
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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 |
Granted publication date: 20130605 Termination date: 20141118 |
|
| EXPY | Termination of patent right or utility model |