CN205937618U - Hydraulic damping jar with adjustable multistage - Google Patents
Hydraulic damping jar with adjustable multistage Download PDFInfo
- Publication number
- CN205937618U CN205937618U CN201620880551.6U CN201620880551U CN205937618U CN 205937618 U CN205937618 U CN 205937618U CN 201620880551 U CN201620880551 U CN 201620880551U CN 205937618 U CN205937618 U CN 205937618U
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- cylinder body
- valve
- liquid outlet
- cylinder
- liquid
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- Expired - Fee Related
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- Fluid-Damping Devices (AREA)
Abstract
The utility model provides a hydraulic damping jar with adjustable multistage, has the cylinder cylinder body, has cylindrical piston in the cylinder body, and the internal diameter of cylinder body and the external diameter of piston match, and even there is a preceding governing valve in the advancing of liquid outlet and cylinder body back -end of advancing of cylinder body front end between the liquid outlet, and front end on the cylinder body enters liquid outlet and rear end and advances between the liquid outlet cloth and have two~five centres to advance the liquid outlet, and the centre is entered advancing of liquid outlet and cylinder body back -end and is linked respectively between the liquid outlet and have the centre to adjust the valve. The utility model discloses even use on the valve shaft of check valve, the case under the medium effect of refluence and the in -process of closing, piston from the move anterior segment of cylinder body of the back end of cylinder body. Before adjusting the governing valve with each in the middle of adjust the valve the aperture, to move the damping action of the anterior segment of cylinder body from the back end of cylinder body big or small for the regulating piston wantonly, especially the case is when the quick closing valve section is closed, the speed of closing can be adjusted, can satisfy some different work condition's operation requirement.
Description
Technical field
This utility model is related to a kind of check-valves hydraulic damping cylinder, particularly a kind of cylinder of check-valves hydraulic damping cylinder
Body.
Background technology
Check-valves are the valves relying on pipeline medium flowing used and opening and closing automatically, and check-valves are mainly to be used
To prevent pipeline medium from flowing backwards.Check-valves have swing type and gravity type, open, Jie in pipeline when the medium in pipeline just flows
Close when matter flows backwards.
During for avoiding check-valves quick closedown, producing in pipeline and there is destructive water hammer, the valve shaft of check-valves
It is connected with damping hydraulic cylinder, damping hydraulic cylinder has circle tube cylinder, in cylinder body, have cylindrical piston, the liquid in-out of cylinder body front and back ends
It is connected with regulating valve between mouthful.Damping hydraulic cylinder should allow valve element less in the damping action that is subject to of leading portion of closing process, makes valve
Core quick closing valve, the damping action being subject in the back segment of closing process is larger, so that valve element is closed slowly.When realizing the medium refluence in pipeline
Check-valves quick closedown as much as possible and avoid produce water hammer.
In prior art, the cylinder body of damping hydraulic cylinder is divided into forward and backward two sections, and the internal diameter of leading portion is matched with the external diameter of piston
Close, the internal diameter of back segment is more than the diameter of piston, is connected with tune between the liquid in-out mouth of cylinder body front end and the liquid in-out mouth of rear end of the cylinder block
Section valve, is connected with front regulating valve between the front end liquid in-out mouth of cylinder body back segment and the liquid in-out mouth of rear end of the cylinder block.Valve element was being closed
Cheng Zhong, piston moves to the leading portion of cylinder body from the back segment of cylinder body.
In the back segment of cylinder body, the damping action that piston movement is subject to is less, makes one section of valve element quick closing valve, is quick closing valve section, in cylinder
The leading portion of body, the damping action that piston movement is subject to is larger, so that valve element is closed slowly, is to close section slowly, the aperture with front regulating valve is permissible
Adjust the size that cylinder body closes section damping action slowly, be unable to the size of damping adjusting effect in quick closing valve section.Forward and backward two sections of hydraulic cylinder
Length ratio can determine valve element quick closing valve and the slow time ratio closing.
In use, medium flows backwards when promoting valve element to close this check-valves hydraulic damping cylinder, and quick closing valve section only has
One section, when quick closing valve section is closed, closing velocity can not be adjusted valve element.The use requirement of some difference operating modes can not be met.
Content of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, propose a kind of check-valves quick closing valve section have adjustable many
The multistage adjustable hydraulic damped cylinder of section.
This utility model is realized with the following method.
Multistage adjustable hydraulic damped cylinder has circle tube cylinder, has cylindrical piston, the internal diameter of cylinder body and piston in cylinder body
External diameter match, be connected with front regulating valve, on cylinder body between the liquid in-out mouth of cylinder body front end and the liquid in-out mouth of rear end of the cylinder block
Liquid in-out mouth in the middle of being furnished with two ~ five between front end liquid in-out mouth and rear end liquid in-out mouth, middle liquid in-out mouth and rear end of the cylinder block
Liquid in-out mouth between be connected with intermediate regulations valve respectively.
During installation, this utility model is connected on the valve shaft of check-valves.
During use, during the valve element of check-valves is closed under the medium effect flow backwards, piston is from the back segment of cylinder body
Move to the leading portion of cylinder body.The aperture of regulating valve and each intermediate regulations valve before regulation, can arbitrarily regulating piston from cylinder body
Back segment moves to the damping action size of the leading portion of cylinder body, and particularly when quick closing valve section is closed, closing velocity can be adjusted valve element.Energy
Meet the use requirement of some difference operating modes.
Below in conjunction with the accompanying drawings, the utility model is further described.
Brief description
Fig. 1 is that a kind of main section view of the multistage adjustable hydraulic damped cylinder being proposed according to scheme of the invention of the present utility model is shown
It is intended to；
Fig. 2 is that this utility model is arranged on the schematic diagram on check-valves.
Specific embodiment
In Fig. 1, multistage adjustable hydraulic damped cylinder has circle tube cylinder 1, has cylindrical piston 2 in cylinder body, cylinder body interior
Being matched with the external diameter of piston in footpath, is connected with front regulating valve between the liquid in-out mouth 3 of cylinder body front end and the liquid in-out mouth 4 of rear end of the cylinder block
5, it is furnished with three middle liquid in-out mouths 6,7,8, middle liquid in-out between the front end liquid in-out mouth on cylinder body and rear end liquid in-out mouth
It is connected with intermediate regulations valve 9,10,11 respectively between mouth and the liquid in-out mouth of rear end of the cylinder block.
In Fig. 2, multistage adjustable hydraulic damped cylinder 12 is arranged on check-valves 13.
Claims (1)
1. a kind of multistage adjustable hydraulic damped cylinder, has circle tube cylinder, has cylindrical piston, the internal diameter of cylinder body and work in cylinder body
The external diameter of plug matches, and is connected with front regulating valve, its feature between the liquid in-out mouth of cylinder body front end and the liquid in-out mouth of rear end of the cylinder block
It is：
Liquid in-out mouth in the middle of being furnished with two ~ five between front end liquid in-out mouth on cylinder body and rear end liquid in-out mouth, middle liquid in-out
It is connected with intermediate regulations valve respectively between mouth and the liquid in-out mouth of rear end of the cylinder block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620880551.6U CN205937618U (en) | 2016-08-16 | 2016-08-16 | Hydraulic damping jar with adjustable multistage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620880551.6U CN205937618U (en) | 2016-08-16 | 2016-08-16 | Hydraulic damping jar with adjustable multistage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937618U true CN205937618U (en) | 2017-02-08 |
Family
ID=57920580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620880551.6U Expired - Fee Related CN205937618U (en) | 2016-08-16 | 2016-08-16 | Hydraulic damping jar with adjustable multistage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205937618U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151352A (en) * | 2016-08-16 | 2016-11-23 | 铁岭天工阀门科技有限公司 | Multistage adjustable hydraulic damped cylinder |
-
2016
- 2016-08-16 CN CN201620880551.6U patent/CN205937618U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151352A (en) * | 2016-08-16 | 2016-11-23 | 铁岭天工阀门科技有限公司 | Multistage adjustable hydraulic damped cylinder |
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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: 20170208 Termination date: 20170816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |