CN217234490U - Fluid conversion valve - Google Patents
Fluid conversion valve Download PDFInfo
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- CN217234490U CN217234490U CN202123442819.8U CN202123442819U CN217234490U CN 217234490 U CN217234490 U CN 217234490U CN 202123442819 U CN202123442819 U CN 202123442819U CN 217234490 U CN217234490 U CN 217234490U
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Abstract
The application belongs to the field of design control of fluid pipelines, and particularly relates to a fluid conversion valve.A gas with the pressure of 4.9Mpa is introduced from a second connector 4 under normal conditions, and airflow enters a lower cavity of a seat cover actuator cylinder through a first connector 3 and a third connector 5, so that the actuator cylinder moves upwards and the seat cover is normally opened; under the emergency condition, high-pressure cold air and gas mixed gas is introduced from the fourth connector 7, the high-pressure gas overcomes the spring force to push the piston 1 to move rightwards quickly, and the high-pressure gas enters the lower cavity of the canopy actuator cylinder through the first connector 3 and the third connector 5, so that the emergency throwing of the canopy is realized. The method is characterized in that: the combination of the two tee joints and the one-way valve works in the right tee joint when normal and works in the left tee joint when emergency occurs.
Description
Technical Field
The application belongs to the field of design control of fluid pipelines, and particularly relates to a fluid conversion valve.
Background
The gas tight system of canopy needs gas can smoothly enter the gas tight system when opening, and when closing, the gas of air supply can be cut off smoothly to the gas of gas tight system can discharge smoothly, and at present stage all realizes above-mentioned function through a plurality of valves of a plurality of pipe connections, needs a centralized valve switch to realize this function.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present application provides a fluid switching valve, including:
the shell comprises an inner cavity, a first nozzle, a second nozzle, a third nozzle and a fourth nozzle; the first nozzle, the second nozzle, the third nozzle and the fourth nozzle are all communicated with the inner cavity; the second nozzle and the fourth nozzle are on the same axis, and the first nozzle and the third nozzle are on the same axis;
the piston is integrally cylindrical and is arranged in the inner cavity, the lower end face of the piston is provided with a groove, the side wall of the piston is provided with a side groove extending from the top end face to the bottom end face, and the length of the side groove is smaller than that of the piston;
the piston is arranged in the inner cavity, the piston has axial translational freedom degree in the inner cavity and two limit positions which are emergently positioned at a working position, when the piston is positioned at the working position, the top end of the piston blocks the fourth nozzle to separate the connection of the fourth nozzle and the inner cavity, and the first nozzle, the second nozzle and the third nozzle are all communicated with the inner cavity; when the piston is located at the emergency position, the bottom end of the piston blocks the second nozzle to block the connection between the second nozzle and the inner cavity, and the first nozzle and the third nozzle are connected with the inner cavity and the fourth nozzle through the side grooves;
and one end of the spring is arranged in the digging groove, the other end of the spring is contacted with the second connecting nozzle, and the tension of the spring enables the piston to be positioned at the working position.
Preferably, the contact position of the fourth nozzle and the top end of the piston is provided with a protrusion towards the piston direction, a groove is arranged at the corresponding position of the piston, and the groove is provided with an elastic sealing ring.
Preferably, the contact position of the second nozzle and the top end of the piston is provided with a protrusion towards the piston direction, a groove is arranged at the corresponding position of the piston, and the groove is provided with an elastic sealing ring.
Preferably, the second nozzle is connected with the shell through threads, and a sealing ring is arranged at the joint of the second nozzle and the shell.
Preferably, the length of the side groove is 0.7 to 0.8 of the length of the piston.
Preferably, the side grooves are distributed in a circumferential array along the piston.
The advantages of the present application include: the functions of the two three-way valves and the one-way valves are combined through a simple structure, and the functions of the valves are realized simultaneously.
Drawings
FIG. 1 is an assembly view of a preferred embodiment of the present application of a fluid diverter valve;
the device comprises a piston 1, a shell 2, a first connector 3, a second connector 4, a third connector 5, a spring 6 and a fourth connector 7.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application, and should not be construed as limiting the present application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Embodiments of the present application will be described in detail below with reference to the drawings.
As shown in fig. 1, the fluid switching valve of the present application includes:
the device comprises a shell 2, wherein the shell 2 comprises an inner cavity, a first nozzle 3, a second nozzle 4, a third nozzle 5 and a fourth nozzle 7; the first nozzle 3, the second nozzle 4, the third nozzle 5 and the fourth nozzle 7 are all communicated with the inner cavity; the second nozzle 4 and the fourth nozzle 7 are on the same axis, and the first nozzle 3 and the third nozzle 5 are on the same axis;
the piston 1 is integrally cylindrical and is arranged in the inner cavity, the lower end face of the piston 1 is provided with a groove, the side wall of the piston is provided with a side groove extending from the top end face to the bottom end face, and the length of the side groove is smaller than that of the piston 1;
the piston 1 is arranged in the inner cavity, the piston 1 has axial translation freedom degree in the inner cavity and two emergency limit positions in a working position, when the piston 1 is positioned in the working position, the top end of the piston 1 blocks the fourth nozzle 7 to separate the connection of the fourth nozzle and the inner cavity, and the first nozzle 3, the second nozzle 4 and the third nozzle 5 are all communicated with the inner cavity; when the piston 1 is positioned at the emergency position, the bottom end of the piston 1 blocks the second nozzle 4 to cut off the connection with the inner cavity, and the first nozzle 3 and the third nozzle 5 are connected with the inner cavity and the fourth nozzle 7 through the side grooves;
and one end of the spring 6 is arranged in the groove, the other end of the spring 6 is contacted with the second connector 4, and the piston 1 is positioned at the working position by the tension of the spring 6.
In some alternative embodiments, the contact position of the fourth nozzle 7 and the top end of the piston 1 has a protrusion towards the piston 1, and the corresponding position of the piston 1 has a groove, and the groove is provided with an elastic sealing ring.
In some alternative embodiments, the second nozzle 4 has a protrusion in the direction of the piston 1 at the contact position with the top end of the piston 1, and the corresponding position of the piston 1 has a groove, and the groove is provided with an elastic sealing ring.
In some alternative embodiments, the second nozzle 4 is connected to the housing 2 by a screw thread, and the second nozzle 4 has a sealing ring at the connection with the housing 2.
In some alternative embodiments, the length of the side groove is 0.7-0.8 of the length of the piston 1.
In some alternative embodiments, the side grooves are distributed in a circumferential array along the piston 1.
Under normal conditions, gas with the pressure of 4.9Mpa is introduced from the second connector 4, and airflow enters a lower cavity of the seat cover actuator cylinder through the first connector 3 and the third connector 5, so that the actuator cylinder moves upwards and the seat cover is normally opened; under the emergency condition, high-pressure cold air and gas mixed gas is introduced from the fourth connector 7, the high-pressure gas overcomes the spring force to push the piston 1 to move rightwards quickly, and the high-pressure gas enters the lower cavity of the canopy actuator cylinder through the first connector 3 and the third connector 5, so that the emergency throwing of the canopy is realized. The method is characterized in that: the combination of the two tee joints and the one-way valve works in the right tee joint when normal and works in the left tee joint when emergency occurs.
This application combines two tee bend valves, check valve's function through simple structure, the effect of a plurality of valves of realizing simultaneously.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (6)
1. A fluid transfer valve, comprising:
the device comprises a shell (2), wherein the shell (2) comprises an inner cavity, a first nozzle (3), a second nozzle (4), a third nozzle (5) and a fourth nozzle (7); the first connecting nozzle (3), the second connecting nozzle (4), the third connecting nozzle (5) and the fourth connecting nozzle (7) are communicated with the inner cavity; the second nozzle (4) and the fourth nozzle (7) are on the same axis, and the first nozzle (3) and the third nozzle (5) are on the same axis;
the piston (1) is integrally cylindrical and is arranged in the inner cavity, the lower end face of the piston (1) is provided with a groove, the side wall of the piston is provided with a side groove extending from the top end face to the bottom end face, and the length of the side groove is smaller than that of the piston (1);
the piston (1) is arranged in the inner cavity, the piston (1) has axial translation freedom degree in the inner cavity and two emergency limit positions in a working position, when the piston (1) is positioned in the working position, the top end of the piston (1) is blocked by the fourth nozzle (7) to separate the connection of the fourth nozzle and the inner cavity, and the first nozzle (3), the second nozzle (4) and the third nozzle (5) are communicated with the inner cavity; when the piston (1) is located at the emergency position, the bottom end of the piston (1) blocks the second nozzle (4) to separate the connection with the inner cavity, and the first nozzle (3) and the third nozzle (5) are connected with the inner cavity and the fourth nozzle (7) through the side grooves;
and one end of the spring (6) is arranged in the groove, the other end of the spring (6) is in contact with the second connecting nozzle (4), and the piston (1) is positioned at the working position by the tension of the spring (6).
2. The fluid switching valve according to claim 1, wherein the contact position of the fourth nozzle (7) and the top end of the piston (1) is provided with a projection towards the piston (1), and the corresponding position of the piston (1) is provided with a groove which is provided with an elastic sealing ring.
3. The fluid switching valve according to claim 1, wherein the second nozzle (4) is provided with a protrusion toward the piston (1) at the contact position with the top end of the piston (1), and a groove is formed at the corresponding position of the piston (1), and the groove is provided with an elastic sealing ring.
4. A fluid switching valve according to claim 1 wherein the second nozzle (4) is threadably connected to the housing (2) and wherein the second nozzle (4) has a sealing ring at the connection to the housing (2).
5. The fluid switching valve of claim 1 wherein the side groove has a length of 0.7 to 0.8 of the length of the piston (1).
6. A fluid switching valve according to claim 1 wherein the side grooves are distributed in a circumferential array along the piston (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123442819.8U CN217234490U (en) | 2021-12-31 | 2021-12-31 | Fluid conversion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123442819.8U CN217234490U (en) | 2021-12-31 | 2021-12-31 | Fluid conversion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217234490U true CN217234490U (en) | 2022-08-19 |
Family
ID=82826950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123442819.8U Active CN217234490U (en) | 2021-12-31 | 2021-12-31 | Fluid conversion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217234490U (en) |
-
2021
- 2021-12-31 CN CN202123442819.8U patent/CN217234490U/en active Active
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