CN216950446U - Large-flow liquid feeding and returning device - Google Patents
Large-flow liquid feeding and returning device Download PDFInfo
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- CN216950446U CN216950446U CN202123202850.4U CN202123202850U CN216950446U CN 216950446 U CN216950446 U CN 216950446U CN 202123202850 U CN202123202850 U CN 202123202850U CN 216950446 U CN216950446 U CN 216950446U
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- liquid inlet
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Abstract
The utility model belongs to the technical field of hydraulic control devices, and particularly discloses a large-flow liquid inlet and return device which comprises a valve seat and a valve body assembly arranged in the valve seat, wherein a liquid inlet, a liquid return port, a liquid outlet and a valve body assembly mounting hole are formed in the valve seat, and the valve body assembly comprises a reducing joint, a plug, a valve sleeve, a piston and a valve core assembly. The utility model improves the structure of the piston and the valve core, the piston and the valve core have simple structure, are easy to process and not easy to damage, and in addition, the action of the piston and the valve core can be controlled by adopting hydraulic pressure, so that the utility model can be safely operated underground.
Description
Technical Field
The utility model belongs to the technical field of hydraulic control devices, and particularly relates to a large-flow liquid inlet and return device.
Background
The quick liquid return valve is mainly used for jointly controlling the upright of the hydraulic support together with the hydraulic control one-way valve of the upright for the coal mine, the common hydraulic control one-way valve has large liquid return resistance, the lifting column of the support is slow, the support is seriously deformed after being impacted, the service life is short, and the valve core and the piston are easy to damage. The hydraulic support can not work normally, the underground production is influenced, and in addition, the complex machining difficulty of the valve core and the piston structure is large.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model discloses a large-flow liquid inlet and return device, which improves the structures of a piston and a valve core, reduces the processing difficulty of the piston and the valve core, and prolongs the service life.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a large-flow liquid inlet and return device comprises a valve seat and a valve body assembly arranged in the valve seat, wherein a liquid inlet, a liquid return port, a liquid outlet and a valve body assembly mounting hole are formed in the valve seat;
the valve body assembly comprises a reducing joint, a plug, a valve sleeve, a piston and a valve core assembly, the valve sleeve is installed in the valve body assembly installation hole, the plug is installed at the left end of the valve body assembly installation hole, the valve sleeve is fixed, the valve core assembly and the piston are installed in the valve sleeve, the valve core assembly is close to the liquid outlet, and the reducing joint is installed at the left end of the valve sleeve.
Preferably, the valve core assembly comprises a valve core and a return spring, a plurality of liquid flow holes are formed in the outer circumference of the valve core, and a clamping table is arranged on the right side of the liquid flow holes in the outer circumference of the valve core.
Preferably, the valve barrel includes liquid return valve barrel and feed liquor valve barrel, the right-hand member of liquid return valve barrel with the left end apical grafting of feed liquor valve barrel, liquid return valve barrel sheathe in set up with the liquid return hole of liquid return mouth intercommunication, the piston install in the inside of liquid return valve barrel, the feed liquor valve barrel seted up can with the feed liquor hole of feed liquor intercommunication, the case install in the inside of feed liquor valve barrel, reset spring install in the ka tai with between the mounting hole that the inside of feed liquor valve barrel was seted up.
Preferably, the reducing joint is provided with a control port.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model improves the structure of the piston and the valve core, the piston and the valve core have simple structure, are easy to process and not easy to damage, and in addition, the action of the piston and the valve core can be controlled by adopting hydraulic pressure, so that the utility model can be safely operated underground.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a valve seat according to the present invention;
FIG. 3 is a schematic view of the valve body assembly of the present invention;
fig. 4 is a schematic view of the valve core structure of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1-4, a large flow liquid inlet and return device comprises a valve seat 1 and a valve body assembly installed in the valve seat 1, wherein a liquid inlet 11, a liquid return port 12, a liquid outlet 13 and a valve body assembly installation hole 14 are formed in the valve seat 1;
the valve body subassembly includes reducing joint 2, plug 3, valve barrel 4, piston 5, case subassembly 6, valve barrel 4 install in the inside of valve body subassembly mounting hole 14, plug 3 install in the left end portion of valve body subassembly mounting hole 14 will valve barrel 4 is fixed, case subassembly 6 with piston 5 all install in the inside of valve barrel 4, just case subassembly 6 is close to liquid outlet 13, reducing joint 2 install in the left end portion of valve barrel 4.
The valve core assembly 6 comprises a valve core 61 and a return spring 62, a plurality of liquid flow holes 611 are formed in the outer circumference of the valve core 61, and a clamping table 612 is arranged on the right side of the liquid flow holes 611 in the outer circumference of the valve core 61. The piston 5 is of cylindrical configuration.
Valve barrel 4 includes liquid return valve barrel and feed liquor valve barrel, the right-hand member of liquid return valve barrel with the left end apical grafting of feed liquor valve barrel, liquid return valve barrel sheathe in set up with the liquid return hole of liquid return port 12 intercommunication, piston 5 install in the inside of liquid return valve barrel, the feed liquor valve barrel seted up can with the feed liquor hole of 11 intercommunications of inlet, case 61 install in the inside of feed liquor valve barrel, reset spring 62 install in the card platform with between the mounting hole that the inside of feed liquor valve barrel was seted up.
The reducer union 2 is provided with a control port, and the control port can be filled with hydraulic oil to push the piston 5 and the valve core 61 to act.
The working principle of the utility model is as follows:
control mouth intercommunication control hydraulic pressure pipe, liquid outlet 13 intercommunication drain pipe, inlet 11 connects the feed liquor pipe, returns liquid mouth 12 and connects back the liquid pipe, returns liquid mouth 12 and liquid outlet 13 intercommunication during normal work, can promote piston 5 and case 61 action when the control mouth can pour into hydraulic oil into, piston 5 can be with returning the shutoff of liquid hole, and inlet 11 and liquid outlet 13 pass through the feed liquor hole intercommunication simultaneously, and when the control mouth pours into hydraulic oil into and withdraws, reset spring 62 makes case 61 reset.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement, component separation or combination and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (4)
1. A large-flow liquid inlet and return device comprises a valve seat and a valve body assembly arranged in the valve seat, and is characterized in that a liquid inlet, a liquid return port, a liquid outlet and a valve body assembly mounting hole are formed in the valve seat;
the valve body assembly comprises a reducing joint, a plug, a valve sleeve, a piston and a valve core assembly, the valve sleeve is installed in the valve body assembly installation hole, the plug is installed at the left end of the valve body assembly installation hole, the valve sleeve is fixed, the valve core assembly and the piston are installed in the valve sleeve, the valve core assembly is close to the liquid outlet, and the reducing joint is installed at the left end of the valve sleeve.
2. The large-flow liquid inlet and outlet device according to claim 1, wherein the valve core assembly comprises a valve core and a return spring, a plurality of liquid flow holes are formed in the outer circumference of the valve core, and a clamping table is arranged on the right side of the liquid flow hole in the outer circumference of the valve core.
3. The device of claim 2, wherein the valve housing comprises a liquid return valve housing and a liquid inlet valve housing, the right end of the liquid return valve housing is connected with the left end of the liquid inlet valve housing, the liquid return valve housing is provided with a liquid return hole communicated with the liquid return port, the piston is installed in the liquid return valve housing, the liquid inlet valve housing is provided with a liquid inlet hole communicated with the liquid inlet, the valve core is installed in the liquid inlet valve housing, and the reset spring is installed between the clamping table and the mounting hole opened in the liquid inlet valve housing.
4. The high-flow liquid inlet and outlet device according to claim 1, wherein the reducer union is provided with a control port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123202850.4U CN216950446U (en) | 2021-12-20 | 2021-12-20 | Large-flow liquid feeding and returning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123202850.4U CN216950446U (en) | 2021-12-20 | 2021-12-20 | Large-flow liquid feeding and returning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216950446U true CN216950446U (en) | 2022-07-12 |
Family
ID=82310215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123202850.4U Active CN216950446U (en) | 2021-12-20 | 2021-12-20 | Large-flow liquid feeding and returning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216950446U (en) |
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2021
- 2021-12-20 CN CN202123202850.4U patent/CN216950446U/en active Active
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