CN206738281U - A kind of super-pressure stacking type hydraulic control check valve - Google Patents
A kind of super-pressure stacking type hydraulic control check valve Download PDFInfo
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- CN206738281U CN206738281U CN201720480025.5U CN201720480025U CN206738281U CN 206738281 U CN206738281 U CN 206738281U CN 201720480025 U CN201720480025 U CN 201720480025U CN 206738281 U CN206738281 U CN 206738281U
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Abstract
This application discloses a kind of super-pressure stacking type hydraulic control check valve, the super-pressure stacking type hydraulic control check valve includes valve body, bonnet and seal receptacle, and the both ends of the valve body have installing port, and the bonnet is installed in the installing port with seal receptacle.Also include valve rod, the valve inner is additionally provided with the valve rod mounting hole connected with the installing port, the valve handle activity is installed in the valve rod mounting hole, the closure is in the both ends of the valve rod, first seal is provided between the valve rod and valve body, second seal is provided between the bonnet and the valve body, the 3rd seal is provided between the seal receptacle and valve body.Good sealing effect between each part of the utility model so that stacking type hydraulic control check valve can normal work under ultra-high voltage environment.
Description
Technical field
The present invention relates to ultrahigh-pressure hydraulic component technical field, and in particular to a kind of super-pressure stacking type hydraulic control is unidirectional
Valve.
Background technology
Hydraulic control one-way valve is a kind of directional control valve, using very extensive in hydraulic system.Hydraulic control one-way valve is commonly used
Structure is：In the front end in excessively stream duct, a spheroid is arranged, spheroid is fixed by the ball support center of doing, and makes it can with flow channels
To automatically adjust with one heart, a non-return valve function is formed.When oil stream forward flow, the flowing pressure of fluid can wash ball open
Body, oil stream can be with proper flows；When oil stream reverse flow, spheroid can block excessively stream duct with flow of fluid, is formed and cut
Only effect, prevent oil stream reverse flow.
Now by the rear end in excessively stream duct, arranging a valve rod being hydraulically operated, pass through one external control oil
Road, driving stem push the spheroid for getting lodged in excessively stream duct front end open by force, reverse flow channels is also opened, this is just constituted
Hydraulic control one-way valve.
Stacking type hydraulic control check valve, two check valves are exactly arranged symmetrically at valve body both ends, can be with valve body intermediate arrangement
The valve rod moved left and right, and valve body can be overlapped formula installation with conventional hydraulic components such as reversal valve, choke valves.But
It is that it is bad or the shortcomings that can not work under super-pressure that the stacking type hydraulic control check valve of existing product is respectively provided with sealing effectiveness,
For example when such product is worked under more than 40MPa pressure condition, easily there is adverse consequences.
Based on this, the application provides a kind of good sealing effect, overpressure resistant stacking type hydraulic control check valve.
The content of the invention
The application is intended to one of technical problem at least solving in correlation technique to a certain extent.
Therefore, the utility model needs to provide a kind of super-pressure overlapping two, the double unidirectional sections of the superposing type
Flow valve sealed reliable and can be in steady operation under super-pressure.
According to embodiment of the present utility model, the super-pressure stacking type hydraulic control check valve includes valve body, bonnet and seal receptacle,
The both ends of the valve body have installing port, and the bonnet is installed in the installing port with seal receptacle.In addition, the super-pressure is superimposed
Formula hydraulic control one-way valve also includes：
Valve rod, the valve inner are additionally provided with the valve rod mounting hole connected with the installing port, the valve handle activity installation
In in the valve rod mounting hole, the closure is in the both ends of the valve rod, and it is close that first is provided between the valve rod and valve body
Sealing, second seal is provided between the bonnet and the valve body, the 3rd seal is provided between the seal receptacle and valve body；
Wherein, the first seal, second seal and the 3rd seal are superhigh pressure sealing part.
As the further alternative of the super-pressure stacking type hydraulic control check valve, the first seal and second close
Sealing is co-axial seals, and the 3rd seal is flat seal.
As the further alternative of the super-pressure stacking type hydraulic control check valve, between the valve rod and valve body, valve
Coordinated between lid and valve body using gap.
As the further alternative of the super-pressure stacking type hydraulic control check valve, the precision that the gap coordinates is
0.02~0.04mm.
As the further alternative of the super-pressure stacking type hydraulic control check valve, the valve body, bonnet, seal receptacle and
Valve rod is high-strength alloy steel forgings.
As the further alternative of the super-pressure stacking type hydraulic control check valve, the valve body is provided with and the valve rod
First fluid course of installing port connection, the seal receptacle have the second fluid course connected with the valve rod installing port, institute
State valve body and be additionally provided with the 3rd fluid course connected with second fluid course, the second fluid course internal activity is provided with
Reversely dam component, when liquid stream flows to three fluid courses from the first fluid course, the component that reversely dams is along first party
To movement so that connected between the first fluid course and the 3rd fluid course by the second fluid course, when liquid stream is from the 3rd
When fluid course flows to the first fluid course, the reversely component that dams moves in a second direction so that the 3rd fluid course with
Ended between first fluid course by the second fluid course.
As the further alternative of the super-pressure stacking type hydraulic control check valve, the component that reversely dams includes ball
Support and the sealed spheroid in ball support, the diameter of the sealed spheroid are slightly larger than the width of the second fluid course entrance, institute
Porch can be stretched to and be contacted with sealed spheroid by stating valve rod.
As the further alternative of the super-pressure stacking type hydraulic control check valve, the sealed spheroid uses zirconium oxide
Or silicon nitride special ceramic material is made.
It is described as the further alternative of the super-pressure stacking type hydraulic control check valve, in addition to elastic recovery part
Bonnet has the accommodating hole docked with second fluid course, and one end of the elastic recovery part is fixedly installed on described house
In hole, the other end of the elastic recovery part is connected to the ball support.
As the further alternative of the super-pressure stacking type hydraulic control check valve, the elastic recovery part is flexible bullet
Spring.
The beneficial effects of the utility model：
The utility model carries out the sealing between each part using high-pressure sealing ring, such as is set between valve rod and valve body
First seal, second seal is set between bonnet and valve body and the 3rd sealing is set between seal receptacle and valve body
Part, the good sealing effect between each part so that stacking type hydraulic control check valve can normal work in ultra-high voltage environment it
Under, solve the problems, such as that traditional stacking type hydraulic control check valve can not be in steady operation under the operating mode more than 40MPa pressure above.
Brief description of the drawings
Fig. 1 is the structural representation according to the utility model super-pressure stacking type hydraulic control check valve.
Embodiment
The present invention is described in further detail below by embodiment combination accompanying drawing.Wherein different embodiments
Middle similar component employs associated similar element numbers.In the following embodiments, many detailed descriptions be in order to
The application is better understood.However, those skilled in the art can be without lifting an eyebrow recognize, which part feature
It is dispensed, or can be substituted by other elements, material, method in varied situations.In some cases, this Shen
Certain operations that please be related are not shown in the description or description, and this is the core in order to avoid the application by mistake
More descriptions are flooded, and to those skilled in the art, be described in detail these associative operations be not it is necessary, they
The general technology knowledge of description and this area in specification can completely understand associative operation.
In addition, feature described in this description, operation or feature can combine to form respectively in any suitable way
Kind embodiment.Meanwhile each step in method description or action can also can be aobvious and easy according to those skilled in the art institute
The mode carry out order exchange or adjustment seen.Therefore, the various orders in specification and drawings are intended merely to clearly describe a certain
Individual embodiment, necessary order is not meant to be, wherein some sequentially must comply with unless otherwise indicated.
It is herein part institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any order or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
Referring to Fig. 1, the super-pressure stacking type hydraulic control check valve in the utility model embodiment includes valve body 100, valve
Lid 200, seal receptacle 300 and valve rod 400, the both ends of valve body 100 have installing port 110, and valve body 100 is installed on seal receptacle 300
In installing port 110, a set of bonnet 200 and seal receptacle 300 are so separately installed with the both ends of valve body 100.
The valve rod mounting hole 120 connected with installing port 110 is provided with the inside of valve body 100, valve rod 400 is movably installed in valve
In bar mounting hole 120, seal receptacle 300 is in the both ends of valve rod 400, and first seal is provided between valve rod 400 and valve body 100
500, second seal 600 is provided between bonnet 200 and the valve body 100, the 3rd is provided between seal receptacle 300 and valve body 100
Seal 700.
Above-mentioned first seal 500, the seal 700 of second seal 600 and the 3rd in present embodiment are superelevation
Laminate seal, so that the good sealing effect between each part in the utility model so that stacking type hydraulic control check valve energy
Enough can normal work under ultra-high voltage environment.
It should be noted that in some embodiments, the hydraulic control one-way valve uses standard 6S installation dimensions, can be with 6S systems
The reversal valve of row, the superposition installation of board-like choke valve, compact-sized, installation is simple and convenient, and interchangeability is good.
Valve body 100, bonnet 200, seal receptacle 300 and valve rod 400 in present embodiment are cylindrical structure, now,
Installing port 110 in the both ends of valve body 100 and the valve rod mounting hole 120 inside valve body 100 are cylindrical hole, during sealing,
In order to reach the effect of thorough seal, it is necessary to being completed between above-mentioned each part in radial direction and the dual-seal on axial direction.In footpath
To during sealing, the sealing between valve rod 400 and valve body 100 and bonnet 300 and valve body 100 is arc surface sealing.Therefore, exist
During to radially sealing, first seal 500 preferably uses co-axial seals with second seal 600.
In addition, in the present embodiment, the internal diameter of valve rod mounting hole 120 is less than the internal diameter of installing port 110 so that installing port
110 with the junction of valve rod mounting hole 120 formed with an axial limiting portion 130, for pacifying to bonnet 100 and seal receptacle 300
Fill the axial limiting within mouth 110.Seal receptacle 300 in present embodiment is arranged between bonnet 200 and valve body 100.Specifically
For, during actual installation, first seal receptacle 300 is installed within installing port 110, then bonnet 200 is installed on installation
It is connected within mouth 110 and with seal receptacle 300, now, bonnet 200 supports seal receptacle 300 in valve body planar inner wall, and the 3rd is close
Sealing 700 is just provided at axial limiting portion 130.Therefore, when to axially sealing, the 3rd seal 700 preferably uses
Flat seal.
Further, during radial seal, adopted between above-mentioned valve rod 400 and valve body 100, between bonnet 200 and valve body 100
Coordinated with gap.In this way, on valve rod 400 install first seal 500 after, it is ensured that can accomplish 70MPa and with
No leakage under upper operating mode；On bonnet 200 install second seal 600 after, it is ensured that can accomplish 70MPa and more than
No leakage under operating mode.
Further, matched somebody with somebody between above-mentioned valve rod 400 and valve body 100, between bonnet 200 and valve body 100 using gap
Close and coordinated using 0.02~0.04mm gap.
In addition, during axial seal, the presence of the 3rd seal 700 guarantees to accomplish the nothing under 70MPa and above operating mode
Leakage.
In some embodiments, above-mentioned valve body 100, bonnet 200, seal receptacle 300 and valve rod 400 use high-strength alloy
Steel forgings, further to ensure that its strength and stiffness can be in the work under 70MPa and above operating mode.
In some specific embodiments, in order to strengthen sealing effectiveness between each part, mounting hole 110 can be arranged to
Shoulder hole, seal receptacle 300 can be arranged to be mutually butted with bonnet 200 it is stepped, in this way, as shown in Figure 1 so that when will
After bonnet 200 and seal receptacle 300 are installed within mounting hole 110, between bonnet 200 and valve body 100, seal receptacle 300 and valve body
The radially arranged docking section 140 in many places is being axially formed between 100 and between bonnet 200 and seal receptacle 300, it is clear that should
The presence of docking section 140 causes the sealing effectiveness of the stacking type hydraulic control check valve of the application in the axial direction more preferably, more can be good
Prevent liquid stream from leaking.
Introduction is made to the working method of the application with reference to Fig. 1.
As shown in figure 1, two sets of one-way valve structures are symmetrically arranged on the both ends of valve body 100, every suit one-way valve structures bag
Bonnet 200 and seal receptacle 300 are included, in order to complete to the unidirectionally controlled of liquid stream, is provided with and valve rod installing port 120 on valve body 100
First fluid course 150 of connection, seal receptacle 300 have the second fluid course 160 connected with valve rod installing port 120, valve body
100 are additionally provided with the 3rd fluid course 170 connected with the second fluid course 160, and the internal activity of the second fluid course 160 is provided with anti-
To the component 800 that dams, when liquid stream flows to three fluid courses 170 from the first fluid course 150, the edge of component 800 of reversely damming
First direction moves so that by the second fluid course 160 and even between the first fluid course 150 and the 3rd fluid course 170
Logical, when liquid stream flows to the first fluid course 150 from the 3rd fluid course 170, the component 800 that reversely dams moves in a second direction
It is dynamic so as to be ended between the 3rd fluid course 170 and the first fluid course 150 by the second fluid course 160.
So far, the application can be achieved by the effect for the component 800 that reversely dams being arranged in the second fluid course 160
Non-return valve function.
Specifically, the above-mentioned component 800 that reversely dams includes ball support 810 and the sealed spheroid 820 in ball support 810,
The diameter of sealed spheroid 820 is slightly larger than the width of the entrance 161 of the second fluid course 160 so that when sealed spheroid 820 is in entrance
When at 161, liquid stream can be ended.Valve rod 400 can then stretch at entrance 161 and contacted with sealed spheroid 820 so that
Sealed spheroid 820 turns on away from entrance 161 to liquid stream.
As the foregoing description, when liquid stream flows to three fluid courses 170 from the first fluid course 150, the impact of liquid stream
Power enables to sealed spheroid 820 to be moved at entrance 161 to the direction away from entrance 161, so that liquid stream can be from the
Two fluid courses 160 flow to the 3rd fluid course 170, and then flow out the 3rd fluid course 170.And when liquid stream is led to from the 3rd liquid stream
When road 170 flows to the first fluid course 150, the impulsive force that flows to of liquid stream then can be so that sealed spheroid 820 goes out from away from entrance 161
Position moved towards at entrance 161, until being blocked at entrance 161, now, liquid stream can not flow from the 3rd fluid course 170
To the first fluid course 150, the reverse cut-off of liquid stream is completed so that the utility model possesses non-return valve function.
In above process, the valve rod 400 being arranged within valve rod mounting hole 120 also can be in the presence of liquid flow impact power
It is mobile.For example, by taking the one-way valve structures in the utility model left-half as an example, when liquid stream flows from the first fluid course 150
To during three fluid courses 170, the impulsive force of liquid stream can cause valve rod 400 to be moved towards right half part, until valve rod 400 stretches into
Contacted in the entrance 161 of the second fluid course 160 and with sealed spheroid 820, then promote the movement of sealed spheroid 820, make
Must be blocked in the sealed spheroid 820 at entrance 161 away from entrance 161 at.So now, for the check valve in right half part
For structure, liquid stream can smoothly two-way admittance.
So far, the mobilization of liquid stream is passed through so that the utility model is controlled check valve.
In some embodiments, the component 800 that reversely dams can also include elastic recovery part 830, and bonnet 200 has
The accommodating hole 210 docked with the second fluid course 160, one end of elastic recovery part 830 are fixedly installed in accommodating hole 210, bullet
Property reply part 830 the other end be connected to ball support 810.
In this way, it is set as just knowing position, elastic recovery part 830 now when can sealed spheroid 820 be at entrance 161
In original state, when liquid stream forward flow, i.e., liquid stream from the first fluid course 150 flow to three fluid courses 170 when, liquid stream
Sealed spheroid 820 is promoted to move so that liquid stream passes through the second fluid course 160.It is understood that when the first fluid course
When not having liquid stream within 150, in the presence of elastic recovery part 830, sealed spheroid 820 is at entrance 161 all the time, now,
If during liquid stream reverse flow, i.e., when flowing to the first fluid course 150 from the 3rd fluid course 170, it will be apparent that by sealed spheroid 820
Cut-off.
In some embodiments, above-mentioned sealed spheroid 820 is made of special ceramic materials such as zirconium oxide or silicon nitrides, spy's pottery
Material possesses high circularity and surface smoothness, and expansion and contraction is minimum, it is ensured that reliably seals.
In some specific embodiments, adjustable spring can be used in above-mentioned elastic recovery part 830, now adjustable spring
One end is fixed on the bottom of accommodating hole, and its other end is connected on ball support.
In other specific embodiments, above-mentioned elastic recovery part 830 can also radially be connected to ball support and valve
Between lid.
Description more than to each embodiment of the utility model, the utility model at least possess following technology
Effect：
1st, good sealing effect；
2nd, can normal work in ultra-high pressure condition；
3rd, it is compact-sized reliable, it is easy-to-use.
Use above specific case is illustrated to the present invention, is only intended to help and is understood the present invention, not limiting
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make some simple
Deduce, deform or replace.
Claims (10)
1. a kind of super-pressure stacking type hydraulic control check valve, including valve body, bonnet and seal receptacle, the both ends of the valve body have installation
Mouthful, the bonnet is installed in the installing port with seal receptacle, it is characterised in that is also included：
Valve rod, the valve inner are additionally provided with the valve rod mounting hole connected with the installing port, and the valve handle activity is installed on institute
To state in valve rod mounting hole, the closure is in the both ends of the valve rod, and first seal is provided between the valve rod and valve body,
Second seal is provided between the bonnet and the valve body, the 3rd seal is provided between the seal receptacle and valve body；
Wherein, the first seal, second seal and the 3rd seal are superhigh pressure sealing part.
2. super-pressure stacking type hydraulic control check valve as claimed in claim 1, it is characterised in that the first seal and second
Seal is co-axial seals, and the 3rd seal is flat seal.
3. super-pressure stacking type hydraulic control check valve as claimed in claim 2, it is characterised in that between the valve rod and valve body,
Coordinated between bonnet and valve body using gap.
4. super-pressure stacking type hydraulic control check valve as claimed in claim 3, it is characterised in that the precision that the gap coordinates is
0.02~0.04mm.
5. such as the super-pressure stacking type hydraulic control check valve described in claim any one of 1-4, it is characterised in that the valve body,
Bonnet, seal receptacle and valve rod are high-strength alloy steel forgings.
6. such as the super-pressure stacking type hydraulic control check valve described in claim any one of 1-4, it is characterised in that the valve body is set
There is the first fluid course connected with the valve rod installing port, the seal receptacle has second connected with the valve rod installing port
Fluid course, the valve body are additionally provided with the 3rd fluid course connected with second fluid course, second fluid course
Internal activity is provided with the component that reversely dams, described reversely to dam when liquid stream flows to three fluid courses from the first fluid course
Component moves along the first direction so that connected between the first fluid course and the 3rd fluid course by the second fluid course,
When liquid stream flows to the first fluid course from the 3rd fluid course, the component that reversely dams moves in a second direction so that the
Ended between three fluid courses and the first fluid course by the second fluid course.
7. super-pressure stacking type hydraulic control check valve as claimed in claim 6, it is characterised in that the component that reversely dams includes
Ball support and the sealed spheroid in ball support, the diameter of the sealed spheroid are slightly larger than the width of the second fluid course entrance,
The valve rod can stretch to porch and be contacted with sealed spheroid.
8. super-pressure stacking type hydraulic control check valve as claimed in claim 7, it is characterised in that the sealed spheroid is using oxidation
Zirconium or silicon nitride special ceramic material are made.
9. super-pressure stacking type hydraulic control check valve as claimed in claim 7, it is characterised in that also including elastic recovery part, institute
Stating bonnet has the accommodating hole docked with second fluid course, and one end of the elastic recovery part is fixedly installed on the appearance
Put in hole, the other end of the elastic recovery part is connected to the ball support.
10. super-pressure stacking type hydraulic control check valve as claimed in claim 9, it is characterised in that the elastic recovery part is to stretch
Contracting spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720480025.5U CN206738281U (en) | 2017-05-02 | 2017-05-02 | A kind of super-pressure stacking type hydraulic control check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720480025.5U CN206738281U (en) | 2017-05-02 | 2017-05-02 | A kind of super-pressure stacking type hydraulic control check valve |
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| Publication Number | Publication Date |
|---|---|
| CN206738281U true CN206738281U (en) | 2017-12-12 |
Family
ID=60562693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720480025.5U Active CN206738281U (en) | 2017-05-02 | 2017-05-02 | A kind of super-pressure stacking type hydraulic control check valve |
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| Country | Link |
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| CN (1) | CN206738281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538567A (en) * | 2019-01-04 | 2019-03-29 | 天津华宁电子有限公司 | A kind of insert type change-over valve core |
| CN111609182A (en) * | 2019-02-25 | 2020-09-01 | 江门市新会区进宾科技有限公司 | Stack formula liquid accuse check valve |
-
2017
- 2017-05-02 CN CN201720480025.5U patent/CN206738281U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538567A (en) * | 2019-01-04 | 2019-03-29 | 天津华宁电子有限公司 | A kind of insert type change-over valve core |
| CN109538567B (en) * | 2019-01-04 | 2024-04-05 | 天津华宁电子有限公司 | Plug-in type reversing valve core |
| CN111609182A (en) * | 2019-02-25 | 2020-09-01 | 江门市新会区进宾科技有限公司 | Stack formula liquid accuse check valve |
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