CN219035611U - Multistage partial pressure governing valve - Google Patents
Multistage partial pressure governing valve Download PDFInfo
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- CN219035611U CN219035611U CN202223388342.4U CN202223388342U CN219035611U CN 219035611 U CN219035611 U CN 219035611U CN 202223388342 U CN202223388342 U CN 202223388342U CN 219035611 U CN219035611 U CN 219035611U
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- valve
- partial pressure
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- core
- multistage
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Abstract
The utility model provides a multistage partial pressure regulating valve which comprises a valve body, wherein the upper part of the valve body is connected with a valve cover through a bolt, the upper part of the valve cover is connected with a valve actuator through a bolt, a pointer is connected with the outside of a push rod of the valve actuator through a bolt, and a valve rod is arranged at the lower end of the push rod of the valve actuator. The movable valve core, the fixed valve core, the multistage communication hole and the water inlet hole are arranged, so that the fixed valve core is arranged to be porous, and the multistage pressure reduction function of one valve is realized.
Description
Technical Field
The utility model belongs to the technical field of regulating valves, and particularly relates to a multistage partial pressure regulating valve.
Background
At present, when the pressure of a high-pressure pipeline is reduced in multiple stages, the pressure is reduced by installing a plurality of valves on the pressure-reducing high-pressure pipeline, the existing regulating valve is composed of a valve body, a valve cover, an actuator, a valve core, a valve seat and other structures in the valve body, and the pressure-reducing stability is poor and the cost is high by installing the plurality of valves.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a multistage pressure-reducing regulating valve, which realizes the multistage pressure-reducing function of a valve by arranging a valve core in a porous rotary pressure-reducing mode.
The utility model is realized by the following technical scheme:
the utility model provides a multistage partial pressure governing valve, includes the valve body, the upper portion bolted connection of valve body has the valve gap, the upper portion bolted connection of valve gap has the valve actuator, the outside bolted connection of push rod of valve actuator has the pointer, the valve rod is installed to the push rod lower extreme of valve actuator, the valve rod runs through the valve gap and extends to the inside of valve body, the lower part integration of valve rod is provided with movable valve core, wherein the valve rod is located the inside position of valve gap and the top down between the valve gap is provided with packing layer and spring respectively, its characterized in that, the externally mounted of movable valve core has fixed valve core.
Preferably, the left side lower part of fixed case seted up the inlet port, the outside of fixed case has seted up multistage intercommunicating pore, multistage intercommunicating pore from the top down has seted up the multilayer in proper order, and every layer multistage intercommunicating pore is annular distribution.
Compared with the prior art, the utility model has the beneficial effects that:
in the utility model, the movable valve core, the fixed valve core, the multistage communication hole and the water inlet hole are arranged, so that the fixed valve core is arranged to be porous, and the multistage pressure reduction function of one valve is realized.
In the utility model, the valve actuator is beneficial to driving the valve rod and the movable valve core to move.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional structural view of the valve body and valve cover of the present utility model;
fig. 3 is a schematic structural view of the fixed spool of the present utility model.
In the figure:
1. a valve body; 2. a valve cover; 3. a valve actuator; 4. a pointer; 5. a valve stem; 6. a spring; 7. a filler layer; 8. a movable valve core; 9. fixing the valve core; 91. multistage communication holes; 92. and a water inlet hole.
Detailed Description
The utility model is specifically described below with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, the multistage partial pressure regulating valve comprises a valve body 1, wherein a valve cover 2 is connected to the upper portion of the valve body 1 through bolts, a valve actuator 3 is connected to the upper portion of the valve cover 2 through bolts, a pointer 4 is connected to the outer portion of a push rod of the valve actuator 3 through bolts, the pointer 4 plays a role in indicating the opening and closing degree of the valve, a valve rod 5 is arranged at the lower end of the push rod of the valve actuator 3, the valve rod 5 penetrates through the valve cover 2 and extends into the valve body 1, a movable valve core 8 is integrally arranged at the lower portion of the valve rod 5, a packing layer 7 and a spring 6 are respectively arranged between the position of the valve rod 5 located in the valve cover 2 and the valve cover 2 from top to bottom, and a fixed valve core 9 is arranged outside the movable valve core 8.
In this embodiment, as shown in fig. 3, the lower left side of the fixed valve core 9 is provided with a water inlet 92, the outer side of the fixed valve core 9 is provided with a plurality of stages of communication holes 91, the plurality of stages of communication holes 91 are sequentially provided from top to bottom, each stage of communication holes 91 are distributed in a ring shape, and in an initial state, the movable valve core 8 plugs the water inlet 92, and at this time, the water inlet cavity at the left end of the valve body 1 and the water outlet cavity at the right end of the valve body 1 are in a disconnected state.
In this embodiment, specifically, the movable valve core 8 is slidably plugged into the fixed valve core 9, and the fixed valve core 9 is installed in the cavity inside the valve body 1, when the movable valve core 8 moves to the upper portion of the water inlet 92, the left water inlet cavity of the valve body 1 is communicated with the inner cavity of the valve body 1, and as the movable valve core 8 moves upwards, the number of the movable valve core 8 for blocking the multistage communication holes 91 is reduced, and the left water inlet cavity of the valve body 1 is gradually communicated with the right water outlet cavity of the valve body 1, so as to realize the multistage pressure reduction function.
In this embodiment, specifically, the valve actuator 3 is a pneumatic film actuator with a scale plate; the fixed valve core 9 adopts a cylindrical stainless steel valve core.
Principle of operation
In the utility model, the valve actuator 3 is connected with external pneumatic equipment, the push rod of the valve actuator 3 drives the valve rod 5 and the movable valve core 8 to move upwards, meanwhile, the pointer 4 moves relative to the scale plate of the valve actuator 3, the effect of indicating the opening and closing degree of the valve is realized, when the movable valve core 8 moves upwards in the fixed valve core 9, when the movable valve core 8 moves to the upper part of the water inlet 92, the water inlet 92 communicates the inner cavity of the valve body 1 with the water inlet at the left end of the valve body 1, and as the movable valve core 8 moves upwards gradually, the multi-stage communication holes 91 with more layers communicate the left end and the right end of the valve body 1, so that the multi-stage pressure reduction function is realized.
By using the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the utility model.
Claims (4)
1. The utility model provides a multistage partial pressure governing valve, including valve body (1), the upper portion bolted connection of valve body (1) has valve gap (2), the upper portion bolted connection of valve gap (2) has valve actuator (3), the outside bolted connection of push rod of valve actuator (3) has pointer (4), valve rod (5) are installed to the push rod lower extreme of valve actuator (3), valve rod (5) run through valve gap (2) and extend to the inside of valve body (1), the lower part integration of valve rod (5) is provided with movable case (8), wherein valve rod (5) are located the inside position of valve gap (2) and from the top down between valve gap (2) are provided with packing layer (7) and spring (6) respectively, its characterized in that, the externally mounted of movable case (8) has fixed case (9).
2. The multi-stage partial pressure regulating valve according to claim 1, wherein the left lower part of the fixed valve core (9) is provided with a water inlet hole (92), the outside of the fixed valve core (9) is provided with a multi-stage communication hole (91), the multi-stage communication holes (91) are sequentially provided with a plurality of layers from top to bottom, and each layer of multi-stage communication holes (91) are annularly distributed.
3. The multi-stage partial pressure regulating valve according to claim 1, wherein the fixed spool (9) is installed in a cavity inside the valve body (1).
4. The multistage partial pressure regulating valve according to claim 1, wherein the movable valve core (8) is slidably plugged into the fixed valve core (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223388342.4U CN219035611U (en) | 2022-12-02 | 2022-12-02 | Multistage partial pressure governing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223388342.4U CN219035611U (en) | 2022-12-02 | 2022-12-02 | Multistage partial pressure governing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219035611U true CN219035611U (en) | 2023-05-16 |
Family
ID=86312270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223388342.4U Active CN219035611U (en) | 2022-12-02 | 2022-12-02 | Multistage partial pressure governing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219035611U (en) |
-
2022
- 2022-12-02 CN CN202223388342.4U patent/CN219035611U/en active Active
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