CN221942858U - Piston type lifting logic valve - Google Patents
Piston type lifting logic valve Download PDFInfo
- Publication number
- CN221942858U CN221942858U CN202420044080.XU CN202420044080U CN221942858U CN 221942858 U CN221942858 U CN 221942858U CN 202420044080 U CN202420044080 U CN 202420044080U CN 221942858 U CN221942858 U CN 221942858U
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- China
- Prior art keywords
- valve
- valve body
- piston
- joint
- cavity
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- 238000009434 installation Methods 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 11
- 230000010354 integration Effects 0.000 abstract description 8
- 230000001360 synchronised effect Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000002411 adverse Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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- Fluid-Driven Valves (AREA)
Abstract
The utility model discloses a piston type lifting logic valve, which relates to the technical field of valve bodies, the valve comprises a valve body, wherein a mounting joint is mounted at the right end of the valve body, and a valve core is arranged in the valve body. This piston moves logical valve that rises through setting up installation joint, case and piston seat etc., the case is fixed on the piston seat, be connected by piston seat and installation joint, realize integrating, after dismantling the installation joint, realize the synchronous dismantlement of case, and the installation joint takes out the back and can take out the piston seat from the piston chamber, make things convenient for the dismantlement and the maintenance of whole part, the convenience has been improved, make things convenient for the integration of valve body, reduce the volume size, through setting up the sealing washer, limit baffle and protection casing etc., after the installation joint installation, with protection casing synchronous screw thread installation at the right-hand member of valve body, protect the junction and keep apart, the stability of increase connection, and avoid the junction directly exposing outside, convenient adaptation uses in the adverse circumstances, the practicality has been improved.
Description
Technical Field
The utility model relates to the technical field of valve bodies, in particular to a piston type lifting logic valve.
Background
The definition of "valve" is used in fluid systems to control the direction, pressure, and flow of fluid, and valves are used to flow or stop piping and media (liquid, gas, powder) in equipment and to control their flow, commonly used in pipes such as ball valves, butterfly valves, etc., and in hydraulic systems such as logic shift valves, solenoid valves, etc.;
The whole volume of current logical valve that moves that rises is great, is unfavorable for system integration, and piston structure is mostly screw grafting installation simultaneously, and the piston chamber can produce positive negative pressure, influences the stability of connection easily to influence the sealed effect of valve body.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a piston type lifting logic valve, which solves the problems that the whole volume of the existing lifting logic valve is large, the system integration is not facilitated, meanwhile, the piston type structure is mostly installed in a threaded insertion manner, positive and negative pressure is generated in a piston cavity, the stability of connection is easily influenced, and the sealing effect of a valve body is influenced.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a piston moves logical valve that moves that rises, includes the valve body, the installation joint is installed to the right-hand member of valve body, the inside of valve body is provided with the case, the inside left end of installation joint is provided with the piston chamber, be provided with the piston seat in the piston chamber, first hydraulic fluid port has been seted up to the left end face of valve body, the second hydraulic fluid port has been seted up to the up end of valve body, the control mouth has been seted up to the right-hand member face of installation joint, be provided with the sealing washer between case and the valve body, be provided with the same sealing washer between piston seat and the piston chamber, the left end fixedly connected with limit baffle of installation joint surface, limit baffle's outside is provided with the protection casing.
Preferably, the left end of the mounting joint is in threaded connection with the valve body, a valve cavity is formed in the valve body, the valve cavity is communicated with the first oil port and the second oil port, the left end of the valve core extends into the valve cavity, and the valve core is in sliding connection with the valve body.
Preferably, the piston seat is fixedly connected with the right end of the valve core, and the outer diameter of the piston seat is larger than that of the valve core.
Preferably, the control port and the piston cavity are communicated with each other, and the piston seat and the piston cavity are connected in a sliding manner.
Preferably, the cross section of protection casing is U type structural design, the right-hand member face of protection casing has been seted up and has been cup jointed the hole, protection casing and installation joint cup joint through cup jointing the hole.
Preferably, a thread groove is formed in the right end of the surface of the valve body, the protective cover is sleeved with the right end of the valve body, and the inner diameter of the sleeved hole is smaller than the outer diameter of the limit baffle.
Advantageous effects
The utility model provides a piston type lifting logic valve. Compared with the prior art, the method has the following beneficial effects:
1. according to the piston type lifting logic valve, the mounting connector, the valve core, the piston seat and the like are arranged, the valve core is fixed on the piston seat and connected through the piston seat and the mounting connector, integration is achieved, synchronous disassembly of the valve core is achieved after the mounting connector is disassembled, the piston seat can be taken out of the piston cavity after the mounting connector is taken out, convenience is brought to disassembly and maintenance of integral parts, convenience is brought to integration of the valve body, and the size of the volume is reduced;
2. This piston moves logical valve that rises through setting up sealing washer, limit baffle and protection casing etc. installs the joint back, with the synchronous screw thread of protection casing installation in the right-hand member of valve body, protects the junction and insulates, increases the stability of connection, and avoids the junction directly to expose outside, uses in the convenient adaptation adverse circumstances, has improved the practicality.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
fig. 3 is a schematic perspective view of a protective cover according to the present utility model.
In the figure: 1. a valve body; 101. a valve cavity; 2. installing a joint; 3. a valve core; 4. a piston chamber; 5. a piston seat; 6. a first oil port; 7. a second oil port; 8. a control port; 9. a seal ring; 10. a limit baffle; 11. a protective cover; 111. and a socket hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a piston type moves logical valve that rises, including valve body 1, install installation joint 2 at the right-hand member of valve body 1, the inside of valve body 1 is provided with case 3, the inside left end of installation joint 2 is provided with piston chamber 4, be provided with piston seat 5 in piston chamber 4, piston seat 5 and the right-hand member fixed connection of case 3, the external diameter of piston seat 5 is greater than the external diameter of case 3, first hydraulic fluid port 6 has been seted up to the left end face of valve body 1, second hydraulic fluid port 7 has been seted up to the up end of valve body 1, the left end and the valve body 1 threaded connection of installation joint 2, valve cavity 101 and first hydraulic fluid port 6, second hydraulic fluid port 7 are linked together, the left end of case 3 extends into valve cavity 101, and case 3 and valve body 1 sliding connection, case 3 is fixed on piston seat 5, by piston seat 5 and installation joint 2 connect, realize the integration, realize the synchronous dismantlement of case 3, and installation joint 2 take out the back can take out piston seat 5 from piston chamber 4, convenient whole part dismantlement and maintenance, the convenience has been improved, the convenience is reduced greatly;
The right end face of the installation joint 2 is provided with a control port 8, the control port 8 is communicated with the piston cavity 4, the piston seat 5 is in sliding connection with the piston cavity 4, a sealing ring 9 is arranged between the valve core 3 and the valve body 1, the same sealing ring 9 is arranged between the piston seat 5 and the piston cavity 4, the left end of the surface of the installation joint 2 is fixedly connected with a limit baffle 10, the outer side of the limit baffle 10 is provided with a protective cover 11, the cross section of the protective cover 11 is of a U-shaped structural design, the right end face of the protective cover 11 is provided with a sleeve joint hole 111, the protective cover 11 is sleeved with the installation joint 2 through the sleeve joint hole 111, the right end of the surface of the valve body 1 is provided with a thread groove, the protective cover 11 is sleeved with the right end of the valve body 1, the inner diameter of the sleeve joint hole 111 is smaller than the outer diameter of the limit baffle 10, the protective cover 11 is synchronously screwed on the right end of the valve body 1, protection isolation is carried out on a joint, the stability of connection is increased, the joint is prevented from being directly exposed outside, the use in a severe environment is convenient to adapt, and practicability is improved.
During operation, the piston seat 5 is inserted into the piston cavity 4, the valve core 3 is located at the left side of the installation joint 2, then the valve core 3 is inserted into the valve body 1, the valve core 3 enters the valve cavity 101, the installation joint 2 is installed on the valve body 1 through threads, the movement of the piston seat 5 can be controlled through the control port 8, the valve core 3 is driven to move in the valve cavity 101, the lifting logic valve moving control is realized, the protective cover 11 is synchronously installed at the right end of the valve body 1 through threads, the connection position is protected and isolated, the stability of connection is improved, the connection position is prevented from being directly exposed outside, the valve core 3 is convenient to adapt to use in severe environments, the practicability is improved, the valve core 3 is fixed on the piston seat 5, the valve core is connected with the installation joint 2 through the piston seat 5, the integration is realized, the synchronous disassembly of the valve core 3 is realized after the installation joint 2 is taken out, the piston seat 5 can be taken out from the piston cavity 4, convenience is improved, the integration of the valve body 1 is convenient, and the volume is reduced.
And all that is not described in detail in this specification is well known to those skilled in the art.
Claims (6)
1. The utility model provides a piston type moves logical valve that moves, includes valve body (1), its characterized in that: the valve is characterized in that the right end of the valve body (1) is provided with a mounting joint (2), the valve core (3) is arranged in the valve body (1), the piston cavity (4) is arranged at the left end of the valve body (2), a piston seat (5) is arranged in the piston cavity (4), a first oil port (6) is formed in the left end face of the valve body (1), a second oil port (7) is formed in the upper end face of the valve body (1), a control port (8) is formed in the right end face of the mounting joint (2), a sealing ring (9) is arranged between the valve core (3) and the valve body (1), the same sealing ring (9) is arranged between the piston seat (5) and the piston cavity (4), a limit baffle (10) is fixedly connected to the left end of the surface of the mounting joint (2), and a protective cover (11) is arranged on the outer side of the limit baffle (10).
2. The piston type lifting logic valve according to claim 1, wherein: the left end of the mounting joint (2) is in threaded connection with the valve body (1), a valve cavity (101) is formed in the valve body (1), the valve cavity (101) is communicated with the first oil port (6) and the second oil port (7), the left end of the valve core (3) extends into the valve cavity (101), and the valve core (3) is in sliding connection with the valve body (1).
3. The piston type lifting logic valve according to claim 1, wherein: the piston seat (5) is fixedly connected with the right end of the valve core (3), and the outer diameter of the piston seat (5) is larger than the outer diameter of the valve core (3).
4. The piston type lifting logic valve according to claim 1, wherein: the control port (8) and the piston cavity (4) are mutually communicated, and the piston seat (5) is in sliding connection with the piston cavity (4).
5. The piston type lifting logic valve according to claim 1, wherein: the cross section of protection casing (11) is U type structural design, cup joint hole (111) have been seted up to the right-hand member face of protection casing (11), protection casing (11) and installation joint (2) cup joint through cup joint hole (111).
6. The piston type lift logic valve in accordance with claim 5 wherein: the right end on valve body (1) surface is provided with the screw thread groove, the right-hand member of protection casing (11) and valve body (1) cup joints, the internal diameter of cup jointing hole (111) is less than the external diameter of limit baffle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420044080.XU CN221942858U (en) | 2024-01-09 | 2024-01-09 | Piston type lifting logic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420044080.XU CN221942858U (en) | 2024-01-09 | 2024-01-09 | Piston type lifting logic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221942858U true CN221942858U (en) | 2024-11-01 |
Family
ID=93250822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420044080.XU Active CN221942858U (en) | 2024-01-09 | 2024-01-09 | Piston type lifting logic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221942858U (en) |
-
2024
- 2024-01-09 CN CN202420044080.XU patent/CN221942858U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |