CN206958015U - Hydraulicdirectional control valve structure - Google Patents
Hydraulicdirectional control valve structure Download PDFInfo
- Publication number
- CN206958015U CN206958015U CN201720734229.7U CN201720734229U CN206958015U CN 206958015 U CN206958015 U CN 206958015U CN 201720734229 U CN201720734229 U CN 201720734229U CN 206958015 U CN206958015 U CN 206958015U
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- road
- valve
- valve rod
- valve block
- duct
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Abstract
The utility model discloses a kind of hydraulicdirectional control valve structure, including conversion valve block, in the conversion valve block valve rod slotted eye is provided with along the length direction of conversion valve block, valve rod is connected with the valve rod slotted eye, one end of the valve rod is connected by one end of spring and conversion valve block, the other end is the free end for being fixed with action bars, the inwall of the valve rod slotted eye is arranged with feed liquor duct to both ends successively from centre, liquid separation duct, fluid hole road A and fluid hole road B corresponding to the liquid outlet A and liquid outlet B of conversion valve block and with hole for back flow road A, there is centre to be arranged with valve rod A and valve rod B successively to both ends in the side wall of the valve rod.Understand from the above, hydraulicdirectional control valve structure of the present utility model, pass through being symmetrical arranged for each duct in conversion valve block and valve rod, so as to which valve block is carried out into positive and negative use, consequently facilitating conversion valve block is remained able to install under special circumstances and used, the scope of application of conversion valve block is improved.
Description
Technical field
It the utility model is related to the technical field of hydraulic valve, and in particular to a kind of hydraulicdirectional control valve structure.
Background technology
Reversal valve is the directional control valve for having two or more liquid forms and two or more hydraulic fluid port.It is to realize hydraulic pressure oil stream
Communication, cut-out and commutation, and discharge degree and sequentially-operating control valve.
Reversal valve needs the movement by valve rod in use, so as to change the flow direction of hydraulic oil, and then realizes liquid
Press oil the commutation on road.
In actual production, valve rod one end of reversal valve is connected by spring with valve body, the other end for manually or
The operating side that electrical control is operated, but regardless of being that operative employee is manually operated or electrical control operates, operating side is required for
Certain operating space.And reversal valve actual installation in use, the space for being frequently encountered wherein side is smaller, this must
Operating side is located at opposite side, it is unknown in the case of actual use because reversal valve is when production, so enterprise is general
Just need to design production operation end in the reversal valve of two kinds of models of different directions, this adds increased being designed and manufactured into for enterprise
This.
The content of the invention
The purpose of this utility model is:Overcome the deficiencies in the prior art, there is provided a kind of hydraulicdirectional control valve structure, by changing
Each duct and valve rod into valve block are symmetrical arranged, so as to which valve block is carried out into positive and negative use, consequently facilitating reversal valve
Block is remained able to install under special circumstances and used, and improves the scope of application of conversion valve block.
Technical solution adopted in the utility model is:
Hydraulicdirectional control valve structure, including conversion valve block, the conversion valve block is interior to be provided with along the length direction of conversion valve block
Valve rod slotted eye, is connected with valve rod in the valve rod slotted eye, one end that one end of the valve rod passes through spring and conversion valve block
Connection, the other end is the free end for being fixed with action bars, and the inwall of the valve rod slotted eye is arranged with successively from centre to both ends
Feed liquor duct, liquid separation duct, corresponding to conversion valve block liquid outlet A and liquid outlet B fluid hole road A and fluid hole road B and
With hole for back flow road A, have in the side wall of the valve rod and middle be arranged with valve rod A and valve rod B successively to both ends.
The further improvement project of the utility model is, when valve rod overcomes the resistance of spring to be moved to one end where spring
When maximum stroke, liquid separation ducts and feed liquor hole link of the fluid hole road A with corresponding side, the fluid hole road
B connects with the hole for back flow road A of corresponding side;
When valve rod overcomes the resistance of spring to when being moved to maximum stroke away from one end where spring, it is described go out
Fluid apertures road B corresponds to liquid separation duct and the feed liquor hole link of side, and the fluid hole road A connects with the hole for back flow road A of corresponding side
It is logical;
When valve rod is in the case where spring presets active force, between feed liquor duct and liquid separation duct, liquid separation duct and fluid hole road A it
Between, between liquid separation duct and fluid hole road B, between fluid hole road A and hole for back flow road A and fluid hole road B and hole for back flow road A it
Between disconnect.
The further improvement project of the utility model is that the valve rod groove hole position is connected between feed liquor duct by through hole A
It is logical;Connected between the liquid separation duct and corresponding fluid hole road A or fluid hole road B by through hole B;The fluid hole road A or
Fluid hole road B is connected with corresponding hole for back flow road A by through hole C.
The further improvement project of the utility model is that the feed liquor duct extends to the side wall of conversion valve block, and enters
The side wall junction of fluid apertures road and conversion valve block is located at the center position of conversion valve block.
The further improvement project of the utility model is that the spring is in the case of conversion valve block one end, the cover
Shell is fixed on conversion valve block.
The further improvement project of the utility model is that one end of the spring is fixed on the end of valve rod by connector
Portion, the other end of the spring are fixed on by another connector on bolt A nut, and the bolt A is fixed on the end of valve rod
The distance between portion, two connectors are the stroke of valve rod.
The further improvement project of the utility model is that the liquid outlet A and liquid outlet B are located at the top of conversion valve block.
The further improvement project of the utility model is that the top of the conversion valve block is provided with check valve, the check valve
Circulating direction be that liquid separation duct flowed to by feed liquor duct.
The further improvement project of the utility model is that the conversion valve block is provided with relief valve A, the relief valve A will
Fluid hole road A or fluid hole road B and hole for back flow road A unilaterally connecteds.
The beneficial effects of the utility model are:
Hydraulicdirectional control valve structure of the present utility model, by being symmetrical arranged for each duct in conversion valve block and valve rod,
So as to which valve block is carried out into positive and negative use, consequently facilitating conversion valve block is remained able to install under special circumstances and used, carry
The high scope of application of conversion valve block.
Brief description of the drawings:
Fig. 1 is the integrally-built schematic top plan view of valve body of the present utility model.
Fig. 2 is the main view schematic cross-sectional view of reversal valve valve block.
Fig. 3 is the integrally-built vertical view schematic cross-sectional view of valve body of the present utility model.
Fig. 4 looks up schematic cross-sectional view for valve body of the present utility model is integrally-built.
Embodiment:
Understood with reference to Fig. 1 ~ Fig. 4, the utility model includes conversion valve block 3, and the conversion valve block 3 is interior along conversion valve block 3
Length direction be provided with valve rod slotted eye 23, valve rod 9 is connected with the valve rod slotted eye 23, one end of the valve rod 9 passes through
Spring 19 is connected with one end of conversion valve block 3, and the other end is the free end for being fixed with action bars 11, the valve rod slotted eye 23 it is interior
Wall be arranged with successively from centre to both ends feed liquor duct 20, liquid separation duct 24, corresponding to conversion valve block 3 liquid outlet A and go out
Liquid mouth B fluid hole road A7 and fluid hole road B8 and with hole for back flow road A25, have in the side wall of the valve rod 9 middle to both ends
Valve rod A16 and valve rod B15 are arranged with successively;When valve rod 9 overcomes the resistance of spring 19 to be moved to one end where spring 19
When maximum stroke, the fluid hole road A7 connects with the liquid separation duct 24 of corresponding side and feed liquor duct 20, it is described go out
Fluid apertures road B8 connects with the hole for back flow road A25 of corresponding side;When valve rod overcomes the resistance of spring 19 to away from the place of spring 19
When one end is moved to maximum stroke, the fluid hole road B8 corresponds to the liquid separation duct 24 of side and feed liquor duct 20 connects
Logical, the fluid hole road A7 connects with the hole for back flow road A25 of corresponding side;When valve rod 9 is in the case where spring 19 presets active force, feed liquor
Between duct 20 and liquid separation duct 24, between liquid separation duct 24 and fluid hole road A7, between liquid separation duct 24 and fluid hole road B8,
Disconnected between fluid hole road A7 and hole for back flow road A25 and between fluid hole road B8 and hole for back flow road A25;The valve rod slotted eye
23 are connected between feed liquor duct 20 by through hole A21;The liquid separation duct 24 and corresponding fluid hole road A7 or fluid hole
Connected between road B8 by through hole B;The fluid hole road A7 or fluid hole road B8 pass through through hole with corresponding hole for back flow road A25
C22 is connected;The feed liquor duct 20 extends to the side wall of conversion valve block 3, and feed liquor duct 20 and the side wall of conversion valve block 3 connect
Connect center position of the place positioned at conversion valve block 3;The spring 19 is in the case 10 of the one end of conversion valve block 3, the case
10 are fixed on conversion valve block 3;One end of the spring 19 is fixed on the end of valve rod 9 by connector 18, the spring 19
The other end is fixed on bolt A17 nut by another connector 18, and the bolt A17 is fixed on the end of valve rod 9, two
The distance between connector 18 is the stroke of valve rod 9;The liquid outlet A and liquid outlet B are located at the top of conversion valve block 3;Institute
The top for stating conversion valve block 3 is provided with check valve 13, and the circulating direction of the check valve 13 is to flow to liquid separation hole by feed liquor duct 20
Road 24;The conversion valve block 3 is provided with relief valve A12, the relief valve A12 by fluid hole road A7 or fluid hole road B8 with returning liquid
Duct A25 unilaterally connecteds;The surface of the valve rod A16 is provided with multiple sealing rings 26 vertically.
The utility model use when, in addition between valve block A1 and valve block B2, valve block A1 and valve the block B2 along
To valve block B2 direction, at least sealing is fixed with a reversal valve valve block 3 to valve block A1 successively, the top of the valve block A1 be provided with into
Liquid mouth 5 and liquid return hole 6;The valve block A1 and valve block B2 seal reversal valve valve block 3 fixation successively by bolt B 4;The valve block
Hole for back flow road B25 ' is provided with A1, the valve block B2 is provided with hole for back flow road C25 ' ', the hole for back flow road A25, hole for back flow road
B25 ' connects into complete back flow channel with hole for back flow road C25 ' ';The hole for back flow road B25 ' connects with liquid return hole 6;The valve
Admission chamber 29 is provided with body A1, the admission chamber 29 connects with inlet 5;The admission chamber 29 passes through pipeline 28 and conversion valve block
3 connect towards the feed liquor duct 20 of valve body 1;Relief valve B27, the relief valve B27 are additionally provided with the valve A 1 by admission chamber
29 with the B25 ' one-way flows of hole for back flow road;How the valve B 2 has pumping equipment 14, the discharge opeing dress backwards to the side of valve A 1
Putting 14 includes outage and seals the sealing bolt of outage, and the outage connects with the feed liquor duct 20 for the valve body that commutates.
Claims (9)
1. hydraulicdirectional control valve structure, it is characterised in that:Including conversion valve block(3), the conversion valve block(3)It is interior along conversion valve block
(3)Length direction be provided with valve rod slotted eye(23), the valve rod slotted eye(23)Inside it is connected with valve rod(9), the valve rod(9)
One end pass through spring(19)With conversion valve block(3)One end connection, the other end is is fixed with action bars(11)Free end, institute
State valve rod slotted eye(23)Inwall be arranged with feed liquor duct successively to both ends from centre(20), liquid separation duct(24), correspond to
Conversion valve block(3)Liquid outlet A and liquid outlet B fluid hole road A(7)With fluid hole road B(8)And with hole for back flow road A(25),
The valve rod(9)Side wall on have and middle be arranged with valve rod A successively to both ends(16)With valve rod B(15).
2. hydraulicdirectional control valve structure as claimed in claim 1, it is characterised in that:Work as valve rod(9)Overcome spring(19)Resistance
To spring(19)When the one end at place is moved to maximum stroke, the fluid hole road A(7)With the liquid separation hole of corresponding side
Road(24)With feed liquor duct(20)Connection, the fluid hole road B(8)With the hole for back flow road A of corresponding side(25)Connection;
When valve rod overcomes spring(19)Resistance to away from spring(19)When the one end at place is moved to maximum stroke, institute
State fluid hole road B(8)The liquid separation duct of corresponding side(24)With feed liquor duct(20)Connection, the fluid hole road A(7)With it is corresponding
The hole for back flow road A of side(25)Connection;
Work as valve rod(9)In spring(19)Under default active force, feed liquor duct(20)With liquid separation duct(24)Between, liquid separation duct
(24)With fluid hole road A(7)Between, liquid separation duct(24)With fluid hole road B(8)Between, fluid hole road A(7)With hole for back flow road A
(25)Between and fluid hole road B(8)With hole for back flow road A(25)Between disconnect.
3. hydraulicdirectional control valve structure as claimed in claim 1, it is characterised in that:The valve rod slotted eye(23)Positioned at feed liquor duct
(20)Between pass through through hole A(21)Connection;The liquid separation duct(24)With corresponding fluid hole road A(7)Or fluid hole road B(8)
Between connected by through hole B;The fluid hole road A(7)Or fluid hole road B(8)With corresponding hole for back flow road A(25)Pass through through hole
C(22)Connection.
4. hydraulicdirectional control valve structure as claimed in claim 1, it is characterised in that:The feed liquor duct(20)To conversion valve block
(3)Side wall extension, and feed liquor duct(20)With conversion valve block(3)Side wall junction be located at conversion valve block(3)Center
Opening position.
5. hydraulicdirectional control valve structure as claimed in claim 1, it is characterised in that:The spring(19)Located at conversion valve block(3)
The case of one end(10)It is interior, the case(10)It is fixed on conversion valve block(3).
6. hydraulicdirectional control valve structure as claimed in claim 5, it is characterised in that:The spring(19)One end pass through connector
(18)It is fixed on valve rod(9)End, the spring(19)The other end pass through another connector(18)It is fixed on bolt A(17)
Nut on, the bolt A(17)It is fixed on valve rod(9)End, two connectors(18)The distance between be valve rod(9)
Stroke.
7. hydraulicdirectional control valve structure as claimed in claim 1, it is characterised in that:The liquid outlet A and liquid outlet B are positioned at commutation
Valve block(3)Top.
8. hydraulicdirectional control valve structure as claimed in claim 7, it is characterised in that:The conversion valve block(3)Top be provided with it is single
To valve(13), the check valve(13)Circulating direction be by feed liquor duct(20)Flow to liquid separation duct(24).
9. hydraulicdirectional control valve structure as claimed in claim 1, it is characterised in that:The conversion valve block(3)It is provided with relief valve A
(12), the relief valve A(12)By fluid hole road A(7)Or fluid hole road B(8)With hole for back flow road A(25)Unilaterally connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720734229.7U CN206958015U (en) | 2017-06-22 | 2017-06-22 | Hydraulicdirectional control valve structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720734229.7U CN206958015U (en) | 2017-06-22 | 2017-06-22 | Hydraulicdirectional control valve structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206958015U true CN206958015U (en) | 2018-02-02 |
Family
ID=61385161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720734229.7U Active CN206958015U (en) | 2017-06-22 | 2017-06-22 | Hydraulicdirectional control valve structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206958015U (en) |
-
2017
- 2017-06-22 CN CN201720734229.7U patent/CN206958015U/en active Active
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