CN217301085U - Mining accurate control valve of lapse - Google Patents
Mining accurate control valve of lapse Download PDFInfo
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- CN217301085U CN217301085U CN202220956639.7U CN202220956639U CN217301085U CN 217301085 U CN217301085 U CN 217301085U CN 202220956639 U CN202220956639 U CN 202220956639U CN 217301085 U CN217301085 U CN 217301085U
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Abstract
The utility model discloses a mining accurate control valve of advancing, including valve body, valve casing and case, the valve casing is established in the valve body, but the case axial displacement establish in the valve casing, be equipped with inlet, liquid outlet on the valve body and be used for the control mouth that gets into the control liquid, the one end that corresponds the case is formed with the one end cavity that is used for intercommunication inlet and liquid outlet, and the other end that corresponds the case is formed with the other end cavity that pushes away the case through the control liquid that gets into, be equipped with the through-hole that is linked together with the liquid outlet on the valve casing, the internal diameter of through-hole is less than the internal diameter of liquid outlet, be equipped with the passageway that is used for intercommunication one end cavity and through-hole on the case. Control liquid enters through the control port to push the valve core, the nominal flow is switched to be small, the extending speed of the pushing jack is controlled, and the purpose of accurate control is achieved; the device has the advantages of simple structure, simple and convenient control and lower cost offset.
Description
Technical Field
The utility model belongs to the technical field of mining valve technique and specifically relates to a mining accurate control valve that passes is related to.
Background
The underground bracket of the coal mine is pushed by a mine pushing jack in a moving way, the flow of a valve is large, and the extending speed of the pushing jack is difficult to accurately control; at present, the flow valve is mostly matched for control, but the existing flow valve is mostly controlled by manual mechanical adjustment, so that the operation is complex, and the flow valve is required to be matched with other parts for use, so that the structure is complex and the cost is high.
A flow control valve disclosed in Chinese patent CN 2799862Y, belonging to the technical field of coal mine mechanical parts; the alternating check valve is characterized in that two sets of alternating check valves with the same structure are arranged above and below the valve casing, two working liquid outlets are arranged at the upper part and the lower part of the valve casing, two ends of each alternating check valve are respectively provided with a flow adjusting bolt in a matching way, liquid inlets and liquid return ports are arranged at the middle positions of the two sets of alternating check valves, the liquid inlets are communicated with right valve cavities of the upper set of alternating check valves and the lower set of alternating check valves, and the liquid return ports are communicated with left valve cavities of the upper set of alternating check valves and the lower set of alternating check valves; the control operation is complicated.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to solve the technical problem that a mining accurate control valve that passes is provided to reach the simple and convenient purpose of control.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts does:
this mining accurate control valve of advancing, including valve body, valve casing and case, the valve casing is established in the valve body, but the case axial displacement establish in the valve casing, be equipped with inlet, liquid outlet on the valve body and be used for the control port that gets into control liquid, the one end that corresponds the case is formed with the one end cavity that is used for intercommunication inlet and liquid outlet, and the other end that corresponds the case is formed with the other end cavity that pushes away the case through the control liquid that gets into, be equipped with the through-hole that is linked together with the liquid outlet on the valve casing, the internal diameter of through-hole is less than the internal diameter of liquid outlet, be equipped with the passageway that is used for intercommunication one end cavity and through-hole on the case.
Further:
the control port and the liquid outlet are arranged on the outer edge of the valve body, and the liquid inlet is arranged at one end part of the valve body.
The other end opening of valve body sets up, corresponds the opening part and is equipped with the end cover through screw-thread fit.
The inside one end aperture of valve casing is less than other end aperture, the one end and the inside one end pore adaptation of valve casing of case, and the other end and the inside other end pore adaptation of valve casing of case form the cavity between case middle part and the valve casing inner wall, are equipped with the spring in the cavity.
The end cover is arranged corresponding to the control port, and a damping hole used for communicating the control port with the cavity at the other end is formed in the end cover.
The inner end of the end cover is provided with a groove, the damping hole is communicated with the groove and the control port, and the groove forms a cavity at the other end.
Compared with the prior art, the utility model, have following advantage:
the mining push accurate control valve is reasonable in structural design, control liquid enters through a control port to push a valve core, the nominal flow is switched to be small, the extending speed of a push jack is controlled, and the purpose of accurate control is achieved; the device has the advantages of simple structure, simple and convenient control and lower cost offset.
Drawings
The following brief description of the drawings and reference numerals in the drawings forms a part of this specification:
fig. 1 is a schematic structural diagram of the control valve of the present invention.
Fig. 2 is a schematic view of the control valve of the present invention.
In the figure:
1. the valve comprises a valve body, a valve shell 2, a through hole 201, a valve core 3, a spring 4, an end cover 5, a liquid inlet 6, a liquid outlet 7, a control port 8 and a damping hole 9.
Detailed Description
The following description of the embodiments of the present invention will explain the embodiments of the present invention in further detail by referring to the accompanying drawings.
As shown in fig. 1 and 2, the mining push stroke precision control valve comprises a valve body 1, a valve housing 2 and a valve core 3; the valve casing is established in the valve body, but the valve core axial displacement establish in the valve casing, be equipped with inlet 6 on the valve body, liquid outlet 7 and be used for the control port 8 that gets into control liquid, the one end that corresponds the case is formed with the one end cavity that is used for intercommunication inlet and liquid outlet, the other end that corresponds the case is formed with the other end cavity that pushes away the case through the control liquid that gets into, be equipped with the through-hole 201 that is linked together with the liquid outlet on the valve casing, the internal diameter of through-hole is less than the internal diameter of liquid outlet, be equipped with the passageway that is used for intercommunication one end cavity and through-hole on the case.
The liquid inlet forms a large-flow channel from the cavity at one end to the liquid outlet, the liquid inlet forms a small-flow channel from the channel and the through hole to the liquid outlet, control liquid is fed into the cavity at the other end through the control port, the control liquid pushes the valve element to block the large-flow channel, the nominal flow is switched to the small flow, the extending speed of the pushing jack is controlled, and the purpose of accurate control is achieved.
The control port and the liquid outlet are arranged on the outer edge of the valve body, and the liquid inlet is arranged at one end part of the valve body; the other end of the valve body is provided with an opening, and an end cover 5 matched through threads is arranged at the corresponding opening; compact structure, processing and assembling are simple and convenient.
The aperture of one end inside the valve shell is smaller than that of the other end, one end of the valve core is matched with one end hole inside the valve shell, the other end of the valve core is matched with the other end hole inside the valve shell, a cavity is formed between the middle part of the valve core and the inner wall of the valve shell, and a spring 4 is arranged in the cavity; the structure is compact.
The outer ends of the inner wall of the valve body or/and the outer edge of the valve shell corresponding to the through holes are provided with communicating grooves used for communicating the liquid outlets, and the outer edge of the end part of the valve shell corresponding to the liquid outlets is provided with holes.
Furthermore, an end cover is arranged corresponding to the control port, a damping hole 9 used for communicating the control port with the cavity at the other end is formed in the end cover, and the opening and closing of the one-way valve play a buffering role; the inner end of the end cover is provided with a groove, the damping hole is communicated with the groove and the control port, and the groove forms a cavity at the other end, so that the structure is compact.
In the utility model, the PT port is a control port, the control liquid pushes the valve core, the P-S port is switched to a small flow from a nominal flow, and the extension speed of the pushing jack is controlled, so as to achieve the purpose of accurate control; the port P is a liquid inlet, high-pressure liquid enters the port P, enters the pushing jack through the port S at a nominal flow rate and rapidly extends out of the piston rod; the S port is a liquid outlet and is connected with a stretching hydraulic cavity of the jack to realize stretching of the pushing jack.
The mining push accurate control valve has reasonable structural design, enters control liquid through the control port to push the valve core, switches the nominal flow to a small flow, controls the extension speed of the push jack and achieves the aim of accurate control; the device has the advantages of simple structure, simple and convenient control and lower cost offset.
The above-mentioned is only for the description of the preferred embodiment of the present invention, and the above-mentioned technical features can be combined at will to form a plurality of embodiment schemes of the present invention.
The above description is for illustrative purposes only, and it is obvious that the present invention is not limited by the above embodiments, and various insubstantial improvements made by the concepts and technical solutions of the present invention or the direct application of the concepts and technical solutions of the present invention to other occasions without improvement are all within the scope of the present invention.
Claims (6)
1. The utility model provides a mining accurate control valve of advancing, includes valve body, valve casing and case, the valve casing is established at the valve body, but the case axial displacement establish in the valve casing its characterized in that: the valve comprises a valve body, a valve body and a valve core, wherein the valve body is provided with a liquid inlet, a liquid outlet and a control port for entering control liquid, one end of the valve core corresponds to one end cavity for communicating the liquid inlet and the liquid outlet, the other end of the valve core corresponds to the other end cavity for pushing the valve core through the entering control liquid, the valve shell is provided with a through hole communicated with the liquid outlet, the inner diameter of the through hole is smaller than that of the liquid outlet, and the valve core is provided with a channel for communicating the one end cavity and the through hole.
2. The mining push precision control valve of claim 1, characterized in that: the control port and the liquid outlet are arranged on the outer edge of the valve body, and the liquid inlet is arranged at one end part of the valve body.
3. The mining push precision control valve of claim 2, characterized in that: the other end opening of valve body sets up, corresponds the opening part and is equipped with the end cover through screw-thread fit.
4. The mining push precision control valve of claim 1, characterized in that: the inside one end aperture of valve casing is less than other end aperture, the one end and the inside one end pore adaptation of valve casing of case, and the other end and the inside other end pore adaptation of valve casing of case form the cavity between case middle part and the valve casing inner wall, are equipped with the spring in the cavity.
5. The mining push displacement precision control valve of claim 3, wherein: the end cover is arranged corresponding to the control port, and a damping hole used for communicating the control port with the cavity at the other end is formed in the end cover.
6. The mining push precision control valve of claim 3, characterized in that: the inner end of the end cover is provided with a groove, the damping hole is communicated with the groove and the control port, and the groove forms a cavity at the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220956639.7U CN217301085U (en) | 2022-04-24 | 2022-04-24 | Mining accurate control valve of lapse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220956639.7U CN217301085U (en) | 2022-04-24 | 2022-04-24 | Mining accurate control valve of lapse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217301085U true CN217301085U (en) | 2022-08-26 |
Family
ID=82914064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220956639.7U Active CN217301085U (en) | 2022-04-24 | 2022-04-24 | Mining accurate control valve of lapse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217301085U (en) |
-
2022
- 2022-04-24 CN CN202220956639.7U patent/CN217301085U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A precise control valve for mining pushing Effective date of registration: 20230904 Granted publication date: 20220826 Pledgee: Wuhu Yangzi rural commercial bank Limited by Share Ltd. Pledgor: Faner Intelligent Technology Group Co.,Ltd. Registration number: Y2023980055142 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |