CN219774473U - 40MPa high-pressure reversing valve - Google Patents
40MPa high-pressure reversing valve Download PDFInfo
- Publication number
- CN219774473U CN219774473U CN202223520958.2U CN202223520958U CN219774473U CN 219774473 U CN219774473 U CN 219774473U CN 202223520958 U CN202223520958 U CN 202223520958U CN 219774473 U CN219774473 U CN 219774473U
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- China
- Prior art keywords
- valve
- valve core
- seat
- sleeve
- liquid
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- 239000007788 liquid Substances 0.000 claims abstract description 65
- 239000008358 core component Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000003245 coal Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model relates to a 40MPa high-pressure reversing valve which comprises a valve body, a valve core assembly, an operating mechanism and a connector, wherein an upper valve cavity and a lower valve cavity are formed in the valve body, a liquid inlet hole and a liquid return hole are formed in the valve body, the liquid inlet hole and the liquid return hole are horizontally formed between the upper valve cavity and the lower valve cavity, the valve core assembly which is arranged corresponding to the liquid inlet hole and the liquid return hole is inserted in the upper valve cavity and the lower valve cavity, one end of the valve core assembly is connected with the connector, a liquid outlet is formed at one end, far away from the valve core assembly, of the connector, the liquid outlet is communicated with the connector, and the operating mechanism is arranged at the other end of the valve core assembly. The 40MPa high-pressure reversing valve has the advantages of long service life, high safety coefficient and convenience in maintenance.
Description
Technical Field
The utility model relates to the technical field of manual reversing valves, in particular to a 40MPa high-pressure reversing valve.
Background
The manual reversing valve is a valve with a multidirectional adjustable channel and capable of changing the direction of fluid at proper time, and is also called as an operation valve in the coal mine industry. The reversing valve is arranged in the hydraulic support control system and used for controlling the liquid flow direction, so that different actions such as lifting, pushing, pulling, extending and retracting of the side guard plate and the like of the hydraulic support are realized. However, the reversing valve mainly used in the prior art has the defects of short service life, low safety coefficient and the like when the working pressure is higher due to the limitation of the condition of the reversing valve, the safety production problem of underground coal mines can be seriously influenced, and the existing manual reversing valve also has the defect of inconvenience in maintenance.
Disclosure of Invention
In view of the above, the utility model aims to provide a 40MPa high-pressure reversing valve which has long service life, high safety coefficient and convenient maintenance.
In order to achieve the purpose, the utility model adopts the 40MPa high-pressure reversing valve, which comprises a valve body, a valve core assembly, an operating mechanism and a connector, wherein an upper valve cavity and a lower valve cavity are formed in the valve body, a liquid inlet hole and a liquid return hole are formed in the valve body, the liquid inlet hole and the liquid return hole are horizontally arranged between the upper valve cavity and the lower valve cavity, valve core assemblies which are arranged corresponding to the liquid inlet hole and the liquid return hole are inserted in the upper valve cavity and the lower valve cavity respectively, one end of the valve core assembly is connected with the connector, a liquid outlet is formed at one end of the connector far away from the valve core assembly, the liquid outlet is communicated with the connector, and the operating mechanism is arranged at the other end of the valve core assembly.
The utility model discloses further set up to the case subassembly and include valve pocket, spring, case, disk seat, seat cover, pole cover, reset spring, ejector pin, the pole cover is connected with the valve pocket, the seat cover is installed in the pole cover, the ejector pin stretches into the pole cover and is connected with the one end of seat cover, the case stretches into the valve pocket and is connected with the other end of seat cover, around being equipped with reset spring on the ejector pin, around being equipped with the spring on the case, the seat cover still is provided with the disk seat in the one end of case, the disk seat is installed on the case, the disk seat forms sealedly with the cooperation of case contact.
The utility model discloses further set up to offer the hole on the case, the hole and the liquid outlet intercommunication on the feed liquor hole through the case.
The utility model discloses further set up to set up first liquid opening that returns on the seat cover, the second liquid opening that returns has been seted up to the first liquid open-ended position that returns on the seat cover to the pole cover, first liquid opening, second liquid opening and liquid hole intercommunication return.
The utility model discloses further set up to ejector pin and case be conical surface internal seal, case and disk seat are conical surface external seal.
The utility model is further provided with a seat sleeve and a rod sleeve which are connected through screws.
The working principle of the 40MPa high-pressure reversing valve is that when an operating mechanism presses down a push rod of an upper valve cavity valve core component, the push rod overcomes the force of a return spring to be in contact with the valve core for internal sealing, then the valve core is jacked up against the force of hydraulic pressure and spring force, a liquid inlet opening is formed between the valve core and a valve seat, high-pressure liquid of a liquid inlet hole enters an inner hole formed in the valve core through the opening, and liquid is supplied to a support column or a jack of a liquid outlet, but in the transportation process, part of the high-pressure liquid can flow out of the inner hole, and part of the high-pressure liquid can flow back to the liquid outlet hole through a liquid return opening formed in a seat sleeve and a rod sleeve, so that the work of lifting column, pushing and the like is realized, when the operating mechanism is operated in the opposite direction, the push rod is subjected to the force of the return spring when the operating mechanism is positioned at a middle position, and the middle function of the Y-shaped middle position is ensured. According to the 40MPa high-pressure reversing valve, the valve core assembly is used as an integral plug-in connector and is inserted into the valve cavity by using a special tool, and the valve core assembly can be integrally disassembled when maintenance is needed, so that coal mine maintenance personnel can conveniently go into the well for maintenance.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model.
FIG. 2 is a schematic cross-sectional view of a valve cartridge assembly according to an embodiment of the present utility model.
Detailed Description
As shown in fig. 1-2, the embodiment of the utility model adopts a 40MPa high-pressure reversing valve, which comprises a valve body 1, a valve core component 2, an operating mechanism 3 and a connector 4, wherein an upper valve cavity 11 and a lower valve cavity 12 are formed in the valve body 1, a liquid inlet hole 13 and a liquid return hole 14 are formed in the valve body 1, the liquid inlet hole 13 and the liquid return hole 14 are horizontally arranged between the upper valve cavity 11 and the lower valve cavity 12, the valve core component 2 which is arranged corresponding to the liquid inlet hole 13 and the liquid return hole 14 is inserted in the upper valve cavity 11 and the lower valve cavity 12, one end of the valve core component 2 is connected with the connector 4, one end of the connector 4 far away from the valve core component 2 is provided with a liquid outlet 41, the liquid outlet 41 is communicated with the connector 4, the other end of the valve core component 2 is provided with the operating mechanism 3, the valve body 1 is also provided with a stud serial connection hole 15, the stud serial connection holes 15 are respectively arranged at four corners of the valve body 1, and the rated flow rate of the reversing valve is: 200L/min, the working pressure is: 40MPa, the working medium is mixed emulsion of 5% of emulsified oil and 95% of neutral water.
The valve core assembly 2 comprises a valve sleeve 21, a spring 22, a valve core 23, a valve seat 24, a seat sleeve 25, a rod sleeve 26, a return spring 27 and a push rod 28, wherein the rod sleeve 26 is connected with the valve sleeve 21, the seat sleeve 25 is installed in the rod sleeve 26, the push rod 28 stretches into the rod sleeve 26 to be connected with one end of the seat sleeve 25, the valve core 23 stretches into the valve sleeve 21 to be connected with the other end of the seat sleeve 25, the return spring 27 is wound on the push rod 28, the spring 22 is wound on the valve core 23, the valve seat 24 is further arranged at one end of the valve core 23, the valve seat 24 is installed on the valve core 23, the valve seat 24 is in contact fit with the valve core 23 to form a seal, the push rod 28 and the valve core 23 are in conical surface inner seal, the valve core 23 and the valve seat 24 are in conical surface outer seal, and the seat sleeve 25 and the rod sleeve 26 are connected through screws.
The valve core 23 is provided with an inner hole 231, and the liquid inlet 13 is communicated with the liquid outlet 41 through the inner hole 231 on the valve core 23.
The seat cover 25 is provided with a first liquid return opening 251, the rod cover 26 is provided with a second liquid return opening 261 corresponding to the position of the first liquid return opening 251 on the seat cover 25, and the first liquid return opening 251, the second liquid return opening 261 and the liquid return hole 14 are communicated.
In addition to the above embodiments, the present utility model may be further modified and varied in various ways, and the modifications and variations can be made by those skilled in the art without departing from the spirit and scope of the utility model.
Claims (6)
1. A40 MPa high-pressure reversing valve is characterized in that: the valve body is internally provided with an upper valve cavity and a lower valve cavity, the valve body is provided with a liquid inlet hole and a liquid return hole, the liquid inlet hole and the liquid return hole are horizontally arranged between the upper valve cavity and the lower valve cavity, the valve core components which are correspondingly arranged with the liquid inlet hole and the liquid return hole are inserted in the upper valve cavity and the lower valve cavity, one end of the valve core component is connected with the connector, one end of the connector, far away from the valve core component, is provided with a liquid outlet, the liquid outlet is communicated with the connector, and the other end of the valve core component is provided with the operating mechanism.
2. The 40MPa high-pressure reversing valve according to claim 1, wherein: the valve core assembly comprises a valve sleeve, a spring, a valve core, a valve seat, a seat sleeve, a rod sleeve, a reset spring and a push rod, wherein the rod sleeve is connected with the valve sleeve, the seat sleeve is installed in the rod sleeve, the push rod stretches into one end of the rod sleeve to be connected with one end of the seat sleeve, the valve core stretches into the valve sleeve to be connected with the other end of the seat sleeve, the push rod is wound with the reset spring, the valve core is wound with the spring, the seat sleeve is further provided with the valve seat at one end of the valve core, the valve seat is installed on the valve core, and the valve seat is in contact fit with the valve core to form sealing.
3. The 40MPa high-pressure reversing valve according to claim 2, wherein: an inner hole is formed in the valve core, and the liquid inlet is communicated with the liquid outlet through the inner hole in the valve core.
4. The 40MPa high-pressure reversing valve according to claim 2, wherein: the seat cover is provided with a first liquid return opening, the rod cover is provided with a second liquid return opening corresponding to the first liquid return opening on the seat cover, and the first liquid return opening, the second liquid return opening and the liquid return hole are communicated.
5. The 40MPa high-pressure reversing valve according to claim 2, wherein: the ejector rod and the valve core are sealed in a conical surface, and the valve core and the valve seat are sealed in an outer conical surface.
6. The 40MPa high-pressure reversing valve according to claim 2, wherein: the seat sleeve is connected with the rod sleeve through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223520958.2U CN219774473U (en) | 2022-12-28 | 2022-12-28 | 40MPa high-pressure reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223520958.2U CN219774473U (en) | 2022-12-28 | 2022-12-28 | 40MPa high-pressure reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774473U true CN219774473U (en) | 2023-09-29 |
Family
ID=88138334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223520958.2U Active CN219774473U (en) | 2022-12-28 | 2022-12-28 | 40MPa high-pressure reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774473U (en) |
-
2022
- 2022-12-28 CN CN202223520958.2U patent/CN219774473U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |