CN207975271U - A kind of slow down type hydraulic slow release valve - Google Patents
A kind of slow down type hydraulic slow release valve Download PDFInfo
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- CN207975271U CN207975271U CN201820198721.1U CN201820198721U CN207975271U CN 207975271 U CN207975271 U CN 207975271U CN 201820198721 U CN201820198721 U CN 201820198721U CN 207975271 U CN207975271 U CN 207975271U
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Abstract
The utility model discloses a kind of slow down type hydraulic slow release valves, including shell, the side of inner walls is fixedly connected with valve body, valve seat is threaded in the middle part of inner walls, the center of valve seat is threaded with screw, the surface of screw and it is threaded with nut positioned at side of the valve seat far from valve body, one end of valve seat offers the groove being adapted to nut, the surface of screw and slidably connect valve plate far from the side of nut, it is fixedly connected with spring between the valve plate both sides opposite with valve seat and positioned at the surface of screw, one end of valve body offers blind hole, the surface of valve body offers first through hole, and first through hole is connected to the bottom of blind hole, the surface of valve seat offers the second through-hole, the surface of valve plate offers throttling pore, the utility model is related to valve technology fields.This kind of slow down type hydraulic slow release valve, solves the problems, such as that oil cylinder hurtles down under pipe breakage, realizes that oil cylinder slowly declines, avoids causing the accident, ensure that safety.
Description
Technical field
The utility model is related to valve technology field, specially a kind of slow down type hydraulic slow release valve.
Background technology
Hydraulic pressure be machinery industry, electromechanical industries a noun, hydraulic pressure can use power transmission mode, referred to as hydraulic pressure pass
Dynamic, hydraulic pressure also is used as control mode, referred to as hydraulic control.Hydraulic drive is to utilize liquid using liquid as working media
Pressure energy carrys out passing power.Hydraulic control is to there is control of the pressure fluid as control signal transfer mode.At some by liquid
In the mechanical equipment for pressing system drive, since pressure piping or pipe fitting rupture, then it can be made to lose back pressure.At this time with the liquid carried
Pressure actuator hurtles down uncontrolled, causes very big hidden danger.
Utility model content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the utility model provides a kind of hydraulic slow release valve, solves under pipe breakage
The problem of hurtling down out of control is loaded, the hidden danger caused by rupture is avoided, ensure that safety.
（Two）Technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of hydraulic slow release valve, including
Shell, the sides of the inner walls are fixedly connected with valve body, and one end of valve body extends to the outside of shell, in the shell
It is threaded with valve seat in the middle part of wall, the center of the valve seat is threaded with screw, the surface of the screw and is located at valve seat
Side far from valve body is threaded with nut, the surface of the screw and side far from nut slidably connects valve plate, institute
It states between the valve plate both sides opposite with valve seat and is fixedly connected with spring positioned at the surface of screw, one end of the valve body offers
The surface of blind hole, the valve body offers first through hole, and first through hole is connected to the bottom of blind hole, and the surface of the valve seat is opened
Equipped with the second through-hole, the surface of the valve plate offers throttling pore
Preferably, the axial line of the valve body, valve seat, screw and valve plate is on the same line.
Preferably, one end of the valve seat offers the groove being adapted to nut.
Preferably, the surface of the valve seat offers the slide opening being adapted to nut, and the surface of the valve seat offers and bullet
The mounting hole of spring adaptation, and nut is interference fitted with valve seat.
Preferably, the throttling pore is located at the second through-hole relative position.
Preferably, the surface of the valve body and the side of hull outside is provided with external screw thread, the inner wall of the shell
And the side far from valve body is provided with internal thread.
（Three）Advantageous effect
The utility model provides a kind of slow down type hydraulic slow release valve.Has following advantageous effect：
（1）, this kind of slow down type hydraulic slow release valve, the side of inner walls is fixedly connected with valve body, and the one of valve body
End extends to the outside of shell, is threaded with valve seat in the middle part of the inner walls, the center of the valve seat is threaded with
Screw, the surface of the screw and is threaded with nut positioned at side of the valve seat far from valve body, the surface of the screw and remote
Side from nut slidably connects valve plate, and the surface between the valve plate both sides opposite with valve seat and positioned at screw, which is fixed, to be connected
Be connected to spring, one end of the valve body offers blind hole, and the surface of the valve body offers first through hole, and first through hole with it is blind
The bottom in hole is connected to, and the surface of the valve seat offers the second through-hole, and the surface of valve plate offers throttling pore, throttling pore position
In the second through-hole relative position, in normal operation, pressure difference does not exceed spring force, and slow release valve is opened always, if
Pipe breakage will be greatly increased by the flow of valve, and pressure difference active force will be more than spring force at this time, and valve plate is moved to valve seat,
Subsequent hydraulic oil is flowed out by throttling pore from the second through-hole, be ensure that oil cylinder slowly declines, is avoided because rupture causes oil cylinder
It hurtles down, ensure that safety.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is enlarged drawing at A in the utility model Fig. 1.
In figure：1- shells, 2- valve bodies, 3- valve seats, 4- screws, 5- nuts, 6- valve plates, 7- springs, 8- blind holes, 9- first are logical
Hole, the second through-holes of 10-, 11- throttling pores.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of slow down type hydraulic slow release valve, including
The side of shell 1,1 inner wall of shell is fixedly connected with valve body 2, and one end of valve body 2 extends to the outside of shell 1,1 inner wall of shell
Middle part be fixedly connected with valve seat 3, the center of valve seat 3 is threaded with screw 4, the surface of screw 4 and positioned at valve seat 3 far from valve
The side of body 2 is threaded with nut 5, and the surface of screw 4 and the side far from nut 5 slidably connect valve plate 6, valve plate 6 with
It is fixedly connected with spring 7 between the opposite both sides of valve seat 3 and positioned at the surface of screw 4, one end of valve body 2 offers blind hole 8, valve
The surface of body 2 offers first through hole 9, and first through hole 9 is connected to the bottom of blind hole 8, and the surface of valve seat 3 offers second and leads to
Hole 10, the surface of valve plate 6 offer throttling pore 11, valve body 2, valve seat 3, screw 4 and valve plate 6 axial line in same straight line
On, one end of valve seat 3 offers the groove being adapted to nut 5, and the surface of valve seat 3 offers the slide opening being adapted to nut 5, valve seat
3 surface offers the mounting hole being adapted to spring 7, and nut 5 is interference fitted with valve seat 3, and it is logical that throttling pore 11 is located at second
10 relative position of hole, ensures running of hydraulic power oil, the surface of the valve body 2 and side outside the shell 1 is provided with external screw thread, shell
The side of 1 inner wall and separate valve body 2 is provided with internal thread, is convenient for the installation of valve.In its natural state, valve plate 6 is in spring 7
Under the action of lift off a seat 3, maintain certain valve port opening, since liquid flows, there are pressure differences for valve port, in normal work shape
Under state, pressure difference does not exceed elastic force, and slow release valve is opened always, works as pipe breakage, will be greatly increased by the flow of valve, at this time
Pressure difference active force will be more than elastic force, and valve plate 6 is moved to valve seat 3, and fluid flow to valve seat 3 from valve body 2 through throttling pore 11, can incite somebody to action
Oil cylinder load is slowly decreased to ground, effectively oil cylinder can be prevented to hurtle down, avoid causing the accident.
This kind of hydraulic slow release valve, there are two the operating positions of valve plate 6, and the switching of position is by by the flow of itself
Pressure difference controlled, so this kind of hydraulic slow release valve not only commutates rapidly, and commutation action is reliable；This kind of hydraulic slow release valve
Structure fabrication processes are simple, easily fabricated, and installation is also very convenient, can be directly mounted at oil cylinder oil inlet mouth.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " including one ... the element limited, it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of slow down type hydraulic slow release valve, including shell（1）, it is characterised in that：The shell（1）The side of inner wall is solid
Surely it is connected with valve body（2）, and valve body（2）One end extend to shell（1）Outside, the shell（1）The middle part of inner wall is fixed
It is connected with valve seat（3）, the valve seat（3）Center be threaded with screw（4）, the screw（4）Surface and be located at valve seat
（3）Far from valve body（2）Side be threaded with nut（5）, the screw（4）Surface and far from nut（5）A sideslip
It is dynamic to be connected with valve plate（6）, the valve plate（6）With valve seat（3）Between opposite both sides and it is located at screw（4）Surface be fixedly connected
There is spring（7）, the valve body（2）One end offer blind hole（8）, the valve body（2）Surface offer first through hole（9）,
And first through hole（9）With blind hole（8）Bottom connection, the valve seat（3）Surface offer the second through-hole（10）, the valve plate
（6）Surface offer throttling pore（11）.
2. a kind of slow down type hydraulic slow release valve according to claim 1, it is characterised in that：The valve body（2）, valve seat
（3）, screw（4）And valve plate（6）Axial line on the same line.
3. a kind of slow down type hydraulic slow release valve according to claim 1, it is characterised in that：The valve seat（3）One
End offers and nut（5）The groove of adaptation.
4. a kind of slow down type hydraulic slow release valve according to claim 1, it is characterised in that：The valve seat（3）Table
Face offers and nut（5）The slide opening of adaptation, the valve seat（3）Surface offer and spring（7）The mounting hole of adaptation, and spiral shell
It is female（5）With valve seat（3）Interference fit.
5. a kind of slow down type hydraulic slow release valve according to claim 1, it is characterised in that：The throttling pore（11）
Positioned at the second through-hole（10）Relative position.
6. a kind of slow down type hydraulic slow release valve according to claim 1, it is characterised in that：The valve body（2）Table
Face and be located at shell（1）External side is provided with external screw thread, the shell（1）Inner wall and far from valve body（2）Side set
It is equipped with internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820198721.1U CN207975271U (en) | 2018-02-06 | 2018-02-06 | A kind of slow down type hydraulic slow release valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820198721.1U CN207975271U (en) | 2018-02-06 | 2018-02-06 | A kind of slow down type hydraulic slow release valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207975271U true CN207975271U (en) | 2018-10-16 |
Family
ID=63766906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820198721.1U Active CN207975271U (en) | 2018-02-06 | 2018-02-06 | A kind of slow down type hydraulic slow release valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207975271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607672A (en) * | 2022-03-18 | 2022-06-10 | 杭州青流液压设备制造有限公司 | Slow release valve for oil cylinder |
-
2018
- 2018-02-06 CN CN201820198721.1U patent/CN207975271U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607672A (en) * | 2022-03-18 | 2022-06-10 | 杭州青流液压设备制造有限公司 | Slow release valve for oil cylinder |
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