CN209195455U - A kind of column supplying valve - Google Patents
A kind of column supplying valve Download PDFInfo
- Publication number
- CN209195455U CN209195455U CN201822104887.5U CN201822104887U CN209195455U CN 209195455 U CN209195455 U CN 209195455U CN 201822104887 U CN201822104887 U CN 201822104887U CN 209195455 U CN209195455 U CN 209195455U
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Abstract
Column supplying valve provided by the utility model, including valve body, there are four the connectors connecting with column pilot operated check valve for the surface setting of valve body, supply opening below connector, the seal and liquid return hole of connector two sides are set, valve inner forms valve chamber, and the core assembly being correspondingly arranged respectively with four connectors is provided in valve chamber, and two adjacent core assemblies are provided with outlet end mouth far from one end of connector；It is connected between two valve chambers by control hole；There are four connectors for setting in above-mentioned column supplying valve, and core assembly corresponding with connector, liquid supply speed is fast, and flow is big, is able to satisfy the demand of column cylinder；There are two sealing hole, such liquid rapidly to be entered in valve chamber by sealing hole for setting, guarantees to form sufficiently large powered piston, improves sealing performance, and sealing effect is good；Two hole for back flow are set and are able to achieve quickly time liquid, and make the good appearance of supplying valve.
Description
Technical field
The present invention relates to supplying valve technical fields, and in particular to a kind of column supplying valve.
Background technique
The hydraulic support technology that underground coal mine uses have developed rapidly, and working resistance and bearing height are continuously improved, column
Cylinder diameter is also continuing to increase；In the prior art, column feed flow is to utilize hand-operated direction valve or the direct feed flow of pilot operated directional control valve, due to
Hand-operated direction valve and electric-hydraulic control reversing valve existing defects, so that flow is unable to reach the demand of column cylinder, to influence coal mine
Yield.
Chinese patent literature CN201714402U discloses a kind of big flow supplying valve, and this supplying valve increases certain
Flow, but sealed motive force is small, poor sealing effect, and it is slow to return liquid.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming defect in the prior art, to provide a kind of energy increasing
The flow of big valve, meets column cylinder demand, and sealing effect is good, returns the fast column supplying valve of liquid.
A kind of column supplying valve, including valve body, there are four connect with column pilot operated check valve for the surface setting of the valve body
Connector, the supply opening below the connector, be symmetrically arranged at the connector two sides seal and return
Liquid mouth, the valve inner form valve chamber, the valve being correspondingly arranged respectively with four connectors are provided in the valve chamber
Core assembly, the two adjacent core assemblies are provided with outlet end mouth far from one end of the connector；Between two valve chambers
It is connected to by control hole.
The core assembly includes the screw plug and valve pocket fixed by fastener, the peace formed between the screw plug and valve pocket
It behave affectedly, the piston that is connected to and on the screw plug inner wall and can move left and right is provided in the installation cavity, one end is plugged in described
The spool that piston inner wall, the other end are connect with the valve pocket, and it is sheathed on the valve seat outside the spool.
Spring is provided between the valve pocket and the spool.
It is sealed firmly between the spool and the valve seat, between the valve seat and the piston for the conical surface.
Fabrication hole is provided on the inner wall of the valve chamber.
The connector, supply opening, seal and liquid return hole are connected to by liquid-passing hole with the valve chamber.
Technical solution of the present invention has the advantages that
1. column supplying valve provided by the invention, including valve body, there are four the surface settings of valve body and column fluid-control one-way
The connector of valve connection, the supply opening below connector are arranged in the seal and liquid return hole of connector two sides, in valve body
Portion forms valve chamber, and the core assembly being correspondingly arranged respectively with four connectors is provided in valve chamber, and two adjacent core assemblies are remote
One end from connector is provided with outlet end mouth；It is connected between two valve chambers by control hole；It is arranged in above-mentioned column supplying valve
There are four connectors, and core assembly corresponding with connector, liquid supply speed is fast, and flow is big, is able to satisfy the demand of column cylinder；Setting
There are two sealing hole, such liquid can rapidly be entered in valve chamber by sealing hole, guaranteed to form sufficiently large power and pushed away
Piston, improves sealing performance, and sealing effect is good；Two hole for back flow are set and are able to achieve quickly time liquid, and make the shape of supplying valve
It is beautiful.
2. column supplying valve provided by the invention, core assembly includes the screw plug and valve pocket fixed by fastener, screw plug
The installation cavity formed between valve pocket is provided with the piston that is connected on screw plug inner wall and can move left and right, one end in installation cavity
It is plugged in the spool of piston inner wall, the other end and valve pocket connection, and is sheathed on the valve seat outside spool；Above-mentioned core assembly is logical
Fastener screw plug is crossed to be fixedly connected with valve pocket, by the piston, spool and valve seat that are arranged between screw plug and valve pocket be fixed on screw plug,
Between valve pocket, a component is formed, it is easy to operate as long as core assembly is packed into valve chamber when installation, it is compact-sized, it is convenient for
Maintenance.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the main view of the column supplying valve provided of the invention；
Fig. 2 is the cross-sectional view of A-A shown in FIG. 1；
Description of symbols: 1, connector；2, supply opening；3, seal；4, liquid return hole；5, valve body；6, screw plug；7, living
Plug；8, spool；9, valve seat；10, valve pocket；11, spring；12, outlet end mouth；13, fabrication hole；14, control hole；15, feed pathway；
16, back flow channel.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As depicted in figs. 1 and 2, column supplying valve includes valve body 5, and there are four the surface settings of the valve body 5 and column liquid
The connector 1 for controlling check valve connection, the supply opening 2 positioned at 1 lower section of connector, is symmetrically arranged at the connector 1
The seal 3 and liquid return hole 4 of two sides form valve chamber inside the valve body 5, are provided with respectively and described in four in the valve chamber
8 component of spool that connector 1 is correspondingly arranged, two adjacent 8 components of spool are provided with out liquid far from one end of the connector 1
Port 12；It is connected between two valve chambers by control hole 14, liquid is facilitated to flow in the valve chamber.
Between the screw plug 6 and the inner wall of the valve body 5, the two sides of the relatively described fabrication hole 13 be provided with gasket；Institute
It states between screw plug 6 and the inner wall of the valve body 5, the two sides of the relatively described control hole 14 are provided with gasket；The spool 8 and institute
It states and is provided with gasket between piston 7；Gasket is provided between the screw plug 6 and the piston 7；8 component of spool with
Gasket is provided between the inner wall of the valve body 5；This structure is to prevent from entering the valve body 5 to play sealing function
Liquid will not mutually circulate.
The connector 1 is set as four, wherein two, left side passes through the side of sebific duct and the column pilot operated check valve
Connection, two, right side are connect by sebific duct with the other side of the column pilot operated check valve.
8 component of spool includes the screw plug 6 and valve pocket 10 fixed by fastener, between the screw plug 6 and valve pocket 10
The installation cavity of formation is provided with the piston 7 that is connected to and on 6 inner wall of screw plug and can move left and right, one end in the installation cavity
It is plugged in 7 inner wall of piston, the spool 8 that the other end is connect with the valve pocket 10, and is sheathed on the valve outside the spool 8
Seat 9；Outlet end mouth 12 of the valve pocket 10 close to the valve body 5.
The valve chamber is separated out feed pathway 15, back flow channel 16 by 8 component of spool.
Spring 11 is provided between the valve pocket 10 and the spool 8.
It is sealed firmly between the spool 8 and the valve seat 9, between the valve seat 9 and the piston 7 for the conical surface.
Fabrication hole 13 is provided on the inner wall of the valve chamber.
The connector 1, supply opening 2, seal 3 and liquid return hole 4 are connected to by liquid-passing hole with the valve chamber.
There are four connector 1,8 component of spool corresponding with connector 1, liquid supply speeds for setting in above-mentioned column supplying valve
Fastly, flow is big, is able to satisfy the demand of column cylinder；Setting there are two sealing hole, such liquid can rapidly by sealing hole into
Enter in valve chamber, guarantee to be formed piston 7 described in sufficiently large hydraulic drive, improves sealing performance；Two hole for back flow are set
It is able to achieve and quickly returns liquid, and make the good appearance of the supplying valve；It is fixedly connected, will be set with valve pocket 10 by fastener screw plug 6
It sets the piston 7 between the screw plug 6 and valve pocket 10, spool 8 and valve seat 9 to be fixed between screw plug 6, valve pocket 10, forms one
Component, it is easy to operate as long as 8 component of spool is packed into the valve chamber when installation, it is compact-sized, it is easy to repair.
The working principle of the column supplying valve is as follows:
To 3 feed flow of seal, under the active force of hydraulic coupling and spring 11, between the spool 8 and the valve seat 9
Close connection forms sealing, and feed pathway 15 is closed；When to 2 feed flow of supply opening, liquid is right by fabrication hole 13 and control hole 14
The piston 7 generates an active force to the right, and the piston 7 connect with the valve seat 9 and formed sealing, and back flow channel 16 closes
It closes, liquid goes successively to the valve chamber, and spool 8 described in liquid-driving moves right, and forces the spring 11 to be compressed, feed liquor
Channel 15 is opened, and liquid, which flows into after spool 8, flows out the valve body 5 by the port；When the supply opening 2 stops feed flow,
The spool 8 will move downward under the action of spring 11, close the feed pathway 15, open the back flow channel
16, at this point, the liquid in the valve body 5 will be discharged through the back flow channel 16 from the liquid return hole 4.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (6)
1. a kind of column supplying valve, which is characterized in that including valve body (5), there are four the surface settings of the valve body (5) and column
The connector (1) of hydraulic control one-way valve connection, the supply opening (2) being located at below the connector (1) are symmetrically arranged at described
The seal (3) and liquid return hole (4) of connector (1) two sides, the valve body (5) is internal to form valve chamber, setting in the valve chamber
There is the core assembly being correspondingly arranged respectively with four connectors (1), the two adjacent core assemblies are far from the connector
(1) one end is provided with outlet end mouth (12)；It is connected between two valve chambers by control hole (14).
2. column supplying valve according to claim 1, which is characterized in that the core assembly includes being fixed by fastener
Screw plug (6) and valve pocket (10), the installation cavity formed between the screw plug (6) and valve pocket (10) is provided in the installation cavity
It is connected to the piston (7) that on the screw plug (6) inner wall and can be moved left and right, one end is plugged in the piston (7) inner wall, another
The spool (8) connecting with the valve pocket (10) is held, and is sheathed on the external valve seat (9) of the spool (8).
3. column supplying valve according to claim 2, which is characterized in that between the valve pocket (10) and the spool (8)
It is provided with spring (11).
4. column supplying valve according to claim 2, which is characterized in that between the spool (8) and the valve seat (9),
It is sealed firmly between the valve seat (9) and the piston (7) for the conical surface.
5. column supplying valve according to claim 1, which is characterized in that be provided with fabrication hole on the inner wall of the valve chamber
(13)。
6. column supplying valve according to claim 1, which is characterized in that the connector (1), supply opening (2), seal
(3) it is connected to by liquid-passing hole with the valve chamber with liquid return hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822104887.5U CN209195455U (en) | 2018-12-14 | 2018-12-14 | A kind of column supplying valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822104887.5U CN209195455U (en) | 2018-12-14 | 2018-12-14 | A kind of column supplying valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195455U true CN209195455U (en) | 2019-08-02 |
Family
ID=67429176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822104887.5U Active CN209195455U (en) | 2018-12-14 | 2018-12-14 | A kind of column supplying valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195455U (en) |
-
2018
- 2018-12-14 CN CN201822104887.5U patent/CN209195455U/en active Active
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| GR01 | Patent grant |