CN219866414U - Pressure control type double-way valve - Google Patents

Pressure control type double-way valve Download PDF

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Publication number
CN219866414U
CN219866414U CN202321322834.5U CN202321322834U CN219866414U CN 219866414 U CN219866414 U CN 219866414U CN 202321322834 U CN202321322834 U CN 202321322834U CN 219866414 U CN219866414 U CN 219866414U
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CN
China
Prior art keywords
pressure
low
sliding block
pressure cavity
cavity
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CN202321322834.5U
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Chinese (zh)
Inventor
张帅
肖昌芳
刘克光
关德灿
余华
欧文静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Gree Nanjing Electric Appliances Co Ltd
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Gree Electric Appliances Inc of Zhuhai
Gree Nanjing Electric Appliances Co Ltd
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Priority to CN202321322834.5U priority Critical patent/CN219866414U/en
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Publication of CN219866414U publication Critical patent/CN219866414U/en
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Abstract

The utility model discloses a pressure control type two-way valve, which comprises a high-pressure cavity, a first low-pressure cavity, a second low-pressure cavity and an air inlet, wherein the air inlet is respectively communicated with the high-pressure cavity, the first low-pressure cavity and the second low-pressure cavity, the high-pressure cavity is provided with a first sliding block and a high-pressure air outlet, and the first sliding block controls the opening or closing of the high-pressure air outlet; the first low-pressure cavity is provided with a second sliding block, the second sliding block is connected with a third sliding block, the second low-pressure cavity is provided with a third sliding block and a low-pressure exhaust port, and the third sliding block controls the opening or closing of the low-pressure exhaust port. The utility model is different from the traditional electromagnetic valve coil which controls the on-off of the valve by electromagnetic drive, and the two-way valve switch is completely controlled by the pressure input from the outside. The high-pressure valve and the low-pressure valve can be automatically adjusted according to the pressure state, input control requirements under positive pressure, normal pressure and negative pressure states are met, and the pressure to be measured reaches a certain threshold value and can be switched to a corresponding pressure gauge.

Description

Pressure control type double-way valve
Technical Field
The utility model relates to the technical field of valves, in particular to a pressure control type two-way valve.
Background
The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling the temperature, the pressure and the flow of a conveying medium, and has the functions of stopping, adjusting, guiding, preventing countercurrent, stabilizing pressure, diverting or overflow pressure relief and the like. The control of the valve can adopt various transmission modes, such as manual operation, electric operation, hydraulic operation, pneumatic operation, turbine operation, electromagnetic hydraulic operation, electro-hydraulic operation, pneumatic and hydraulic operation and the like; can act according to the preset requirement under the action of pressure, temperature or other forms of sensing signals.
Some pressure measuring devices are specially used for measuring in a positive pressure or negative pressure environment, and most of the positive pressure measuring instruments on the market can only be used in the positive pressure environment, and the performance of the instruments can be possibly affected and even the devices can be damaged when the instruments are used in the negative pressure environment. As are some meters used for negative pressure measurements, there are instances of equipment damage in use in a positive pressure environment. Therefore, it is necessary to design a two-way valve for positive and negative pressure gauges, which can protect the positive and negative pressure gauges from being safely used in positive and negative pressure environments.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a pressure-controlled two-way valve, which can automatically adjust the high-pressure valve and the low-pressure valve according to the pressure state, so as to solve the problems of the prior art.
The technical scheme adopted for solving the technical problems is as follows: the pressure control type two-way valve comprises a high-pressure cavity, a first low-pressure cavity, a second low-pressure cavity and an air inlet, wherein the air inlet is respectively communicated with the high-pressure cavity, the first low-pressure cavity and the second low-pressure cavity, the high-pressure cavity is provided with a first sliding block and a high-pressure air outlet, and the first sliding block controls the opening or closing of the high-pressure air outlet; the first low-pressure cavity is provided with a second sliding block, the second sliding block is connected with a third sliding block, the second low-pressure cavity is provided with a third sliding block and a low-pressure exhaust port, and the third sliding block controls the opening or closing of the low-pressure exhaust port.
As a further improvement of the utility model: the air inlet is connected with the high-pressure cavity, the first low-pressure cavity and the second low-pressure cavity through four-way pipelines.
As a further improvement of the utility model: the high-pressure cavity is arranged above the air inlet, the first low-pressure cavity and the second low-pressure cavity are arranged below the air inlet, and the second low-pressure cavity is arranged on the right side of the first low-pressure cavity.
As a further improvement of the utility model: the first sliding block is arranged in the high-pressure cavity and comprises a first column body and a first cone body, the first column body and the first cone body are of an integrated structure, and the first cone body is arranged on one side close to the high-pressure exhaust port.
As a further improvement of the utility model: and a plurality of sealing rings are arranged outside the first cylinder part, so that the first sliding block can slide left and right in the high-pressure cavity conveniently to maintain the air pressure difference.
As a further improvement of the utility model: the left side of first slider is equipped with first spring, the left end of first spring is connected with the left side inner wall fixed connection of high pressure cavity, the right-hand member of first spring is connected with first slider.
As a further improvement of the utility model: the right end of the first spring is abutted or fixedly connected with the left side of the first sliding block.
As a further improvement of the utility model: the high-pressure exhaust port is arranged at the right end of the high-pressure cavity, and a first connecting port connected with the air inlet is arranged on the right side of the lower end of the high-pressure cavity.
As a further improvement of the utility model: the left side of the upper end of the first low-pressure cavity is provided with a second connecting port connected with the air inlet, and the right end of the first low-pressure cavity is provided with a first communication hole.
As a further improvement of the utility model: the second slider is arranged in the first low-pressure cavity, the second slider is in a cylindrical shape, and the right end of the second slider is fixedly connected with a connecting rod.
As a further improvement of the utility model: and a plurality of sealing rings are arranged outside the second sliding block, so that the second sliding block can slide left and right in the first low-pressure cavity conveniently to maintain the air pressure difference.
As a further improvement of the utility model: the right side of the upper end of the second low-pressure cavity is provided with a third connecting port connected with the air inlet, the left end of the second low-pressure cavity is provided with a second communication hole, and the low-pressure air outlet is arranged at the right end of the second low-pressure cavity.
As a further improvement of the utility model: the third slider is located the inside of second low pressure cavity, the third slider includes second post body and second centrum, second post body and second centrum are integrated into one piece structure, one side near the low pressure gas vent is located to second centrum, the left end and the connecting rod fixed connection of third slider.
As a further improvement of the utility model: one end of the connecting rod penetrates through the first connecting hole to be connected with the second sliding block, the other end of the connecting rod penetrates through the second connecting hole to be connected with the third sliding block, a second spring is installed outside one side, close to the second sliding block, of the connecting rod, the left end of the second spring is connected with the second sliding block, and the right end of the second spring is fixedly connected with the right side inner wall of the first low-pressure cavity.
As a further improvement of the utility model: the left end of the second spring is abutted or fixedly connected with the right side of the second sliding block.
As a further improvement of the utility model: the diameter of the connecting rod is the same as that of the first connecting hole and the second connecting hole.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model is different from the traditional electromagnetic valve coil which controls the on-off of the valve by electromagnetic drive, and the two-way valve switch is completely controlled by the pressure input from the outside.
2. According to the utility model, the high-pressure valve and the low-pressure valve can be automatically regulated according to the pressure state, the input control requirements of the positive pressure, the normal pressure and the negative pressure are met, and the pressure to be measured reaches a certain threshold value and can be switched to the corresponding pressure gauge.
3. By adopting the utility model, the positive and negative pressure calculation meter can coexist on the same pipeline with variable positive and negative pressure, and can play a role in protecting equipment for equipment with pressure protection requirement, such as equipment with positive pressure or negative pressure.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model when the external air pressure is in a normal pressure state;
FIG. 2 is a schematic view of the structure of the present utility model when the external air pressure is positive;
fig. 3 is a schematic structural diagram of the present utility model when the external air pressure is in a negative pressure state.
Reference numerals in the schematic drawings illustrate:
1. a high pressure cavity; 2. a first spring; 3. a first slider; 31. a first column portion; 32. a first vertebral body; 4. a seal ring; 5. a high pressure exhaust port; 6. an air inlet; 7. a first low pressure cavity; 8. a second slider; 9. a second spring; 10. a connecting rod; 11. a second low pressure cavity; 12. a third slider; 121. a second column section; 122. a second vertebral body; 13. a low pressure exhaust port; 14. a first connection port; 15. a second connection port; 16. a third connection port; 17. a first communication hole; 18. and a second communication hole.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The utility model will now be further described with reference to the accompanying drawings and examples: as shown in fig. 1, the pressure control type two-way valve comprises a high-pressure cavity 1, a first low-pressure cavity 7, a second low-pressure cavity 11 and an air inlet 6, wherein the air inlet 6 is respectively communicated with the high-pressure cavity 1, the first low-pressure cavity 7 and the second low-pressure cavity 11, the high-pressure cavity 1 is provided with a first sliding block 3 and a high-pressure air outlet 5, and the first sliding block 3 controls the opening or closing of the high-pressure air outlet 5; the first low-pressure cavity 7 is provided with a second sliding block 8, the second sliding block 8 is connected with a third sliding block 12, the second low-pressure cavity 11 is provided with a third sliding block 12 and a low-pressure exhaust port 13, and the third sliding block 12 controls the opening or closing of the low-pressure exhaust port 13.
The air inlet 6 is connected with the high-pressure cavity 1, the first low-pressure cavity 7 and the second low-pressure cavity 11 through four-way pipelines, and the high-pressure cavity 1, the first low-pressure cavity 7, the second low-pressure cavity 11 and the four-way pipelines are in sealing connection, so that the whole system ensures sufficient tightness.
The high-pressure cavity 1 is arranged above the air inlet 6, the first low-pressure cavity 7 and the second low-pressure cavity 11 are arranged below the air inlet 6, and the second low-pressure cavity 11 is arranged on the right side of the first low-pressure cavity 7.
The first sliding block 3 is installed in the high-pressure cavity 1, the first sliding block 3 comprises a first column body 31 and a first cone body 32, the first column body 31 and the first cone body 32 are of an integrated structure, and the first cone body 32 is arranged on one side close to the high-pressure exhaust port 5.
The outside of the first column part 31 is provided with a plurality of sealing rings 4, so that the first sliding block 3 can slide left and right in the high-pressure cavity 1 conveniently to maintain the air pressure difference.
The left side of first slider 3 is equipped with first spring 2, the left end of first spring 2 is connected with the left side inner wall fixed connection of high pressure cavity 1, the right-hand member of first spring 2 is connected with first slider 3.
The right end of the first spring 2 is abutted or fixedly connected with the left side of the first sliding block 3.
The high-pressure exhaust port 5 is arranged at the right end of the high-pressure cavity 1, the right side of the lower end of the high-pressure cavity 1 is provided with a first connecting port 14 connected with the air inlet 6, when the first spring 2 is in a natural state, the first cone portion 32 of the first sliding block 3 blocks the high-pressure exhaust port 5, and the first connecting port 14 is arranged at one side close to the first cone portion 32, so that the first sliding block 3 cannot block the first connecting port 14; when the first spring 2 is in a compressed state, the first slider 3 is positioned at the left side of the high-pressure chamber 1, and the first cone portion 32 of the first slider 3 is separated from the high-pressure exhaust port 5.
The left side of the upper end of the first low-pressure cavity 7 is provided with a second connecting port 15 connected with the air inlet 6, and the right end of the first low-pressure cavity 7 is provided with a first communication hole 17.
The second sliding block 8 is arranged in the first low-pressure cavity 7, the second sliding block 8 is in a cylindrical shape, and the right end of the second sliding block 8 is fixedly connected with a connecting rod 10.
And a plurality of sealing rings 4 are arranged outside the second sliding block 8, so that the second sliding block 8 can slide left and right in the first low-pressure cavity 7 conveniently to maintain the air pressure difference.
The third slider 12 is disposed in the second low pressure cavity 11, the third slider 12 includes a second cylindrical portion 121 and a second cone portion 122, the second cylindrical portion 121 and the second cone portion 122 are integrally formed, the second cone portion 122 is disposed on one side close to the low pressure exhaust port 13, and the left end of the third slider 12 is fixedly connected with the connecting rod 10.
The right side of the upper end of the second low pressure cavity 11 is provided with a third connection port 16 connected with the air inlet 6, the left end of the second low pressure cavity 11 is provided with a second communication hole 18, and the low pressure air outlet 13 is arranged at the right end of the second low pressure cavity 11. When the second spring 9 is in a natural state, the second slider 8 is positioned in the middle of the first low-pressure cavity 7, the third slider 12 is positioned on the right side of the second low-pressure cavity 11, the second cone portion 122 of the third slider 12 blocks the low-pressure air outlet 13, and the third connecting port 16 is arranged on one side close to the second cone portion 122, so that the third slider 12 cannot block the third connecting port 16; when the second spring 9 is in the extended state, the second slider 8 is at the left side of the first low pressure cavity 7, the second slider 8 drives the third slider 12 to synchronously move leftwards, the second slider 8 blocks the second connection port 15, and the second cone 122 of the third slider 12 is separated from the low pressure exhaust port 13.
One end of the connecting rod 10 passes through the first connecting hole 17 to be connected with the second sliding block 8, the other end of the connecting rod 10 passes through the second connecting hole 18 to be connected with the third sliding block 12, the second spring 9 is installed outside one side of the connecting rod 10 close to the second sliding block 8, the left end of the second spring 9 is connected with the second sliding block 8, and the right end of the second spring 9 is fixedly connected with the right side inner wall of the first low-pressure cavity 7.
The left end of the second spring 9 is abutted or fixedly connected with the right side of the second sliding block 8.
The diameter of the connecting rod 10 is the same as or slightly smaller than the diameters of the first and second connecting holes 17 and 18.
The working principle of the utility model is as follows: according to the utility model, through the self-resetting telescopic structure design of the spring, when the input air pressure change reaches a required threshold value, the telescopic change of the spring is controlled, and the automatic opening and closing of the high-pressure air outlet 5 and the low-pressure air outlet 13 are further realized. The measuring requirement of positive pressure or negative pressure of the system can be realized through the two-way valve. The two pressure gauges can coexist on the same pipeline with variable positive and negative pressure changes.
As shown in fig. 2, when the external air pressure is in a positive pressure state, that is, the external air pressure is higher than the standard air pressure, the high-pressure air enters the high-pressure cavity 1, the generated pressure acts on the first slider 3, when the pressure reaches a certain value, the acting force of the first spring 2 is overcome, the first spring 2 is compressed, the first slider 3 moves leftwards, the first slider 3 is separated from the high-pressure air outlet 5, and the high-pressure air outlet 5 is opened. The high-pressure gas enters the first low-pressure cavity 7, overcomes the acting force of the second spring 9, pushes the second slide block 8 to move rightwards, drives the third slide block 12 connected with the second slide block 8 to move rightwards synchronously, and the third slide block 12 blocks the low-pressure air outlet 13, so that the low-pressure air outlet 13 is closed.
As shown in fig. 3, when the external air pressure is in a negative pressure state, that is, the external air pressure is lower than the standard atmospheric pressure, the first spring 2 in the high-pressure cavity in the negative pressure state is restored, the first slider 3 moves rightward and blocks the high-pressure air outlet 5, so that the high-pressure air outlet 5 is closed; meanwhile, the pressure pushing the second sliding block 8 inside the first low-pressure cavity 7 disappears, the second spring 9 is restored, the second sliding block 8 is pushed to move leftwards, the second sliding block 8 drives the third sliding block 12 to synchronously move leftwards through the connecting rod 10, and the low-pressure exhaust port 13 is communicated.
As shown in fig. 1, when the external air pressure is in a normal pressure state, that is, when the external air pressure is equal to the standard atmospheric pressure, the first spring 2 and the second spring 9 are both in a natural state, the first slider 3 is positioned at the rightmost end of the high-pressure cavity 1 to block the high-pressure air outlet 5, the second slider 8 is positioned at the right end of the first low-pressure cavity 7 to block the low-pressure air outlet 13 by the third slider 12, and the high-pressure air outlet 5 and the low-pressure air outlet 13 are simultaneously closed.
Embodiment case one:
the first embodiment provides a pressure control type two-way valve, which comprises a high-pressure cavity 1, a first low-pressure cavity 7, a second low-pressure cavity 11 and an air inlet 6, wherein the air inlet 6 is respectively communicated with the high-pressure cavity 1, the first low-pressure cavity 7 and the second low-pressure cavity 11, the high-pressure cavity 1 is provided with a first sliding block 3 and a high-pressure air outlet 5, and the first sliding block 3 controls the opening or closing of the high-pressure air outlet 5; the first low-pressure cavity 7 is provided with a second sliding block 8, the second sliding block 8 is connected with a third sliding block 12, the second low-pressure cavity 11 is provided with a third sliding block 12 and a low-pressure exhaust port 13, and the third sliding block 12 controls the opening or closing of the low-pressure exhaust port 13.
The air inlet 6 is connected with the high-pressure cavity 1, the first low-pressure cavity 7 and the second low-pressure cavity 11 through four-way pipelines, and the high-pressure cavity 1, the first low-pressure cavity 7, the second low-pressure cavity 11 and the four-way pipelines are in sealing connection, so that the whole system ensures sufficient tightness.
The high-pressure cavity 1 is arranged above the air inlet 6, the first low-pressure cavity 7 and the second low-pressure cavity 11 are arranged below the air inlet 6, and the second low-pressure cavity 11 is arranged on the right side of the first low-pressure cavity 7.
The first sliding block 3 is installed in the high-pressure cavity 1, the first sliding block 3 comprises a first column body 31 and a first cone body 32, the first column body 31 and the first cone body 32 are of an integrated structure, and the first cone body 32 is arranged on one side close to the high-pressure exhaust port 5.
Two sealing rings 4 are arranged outside the first cylinder part 31, so that the first sliding block 3 can slide left and right in the high-pressure cavity 1 conveniently to maintain the air pressure difference, and the sealing rings 4 are respectively arranged at two ends of the first cylinder part 31.
The left side of first slider 3 is equipped with first spring 2, the left end of first spring 2 is connected with the left side inner wall fixed connection of high pressure cavity 1, the right-hand member of first spring 2 is connected with first slider 3.
The right end of the first spring 2 is abutted or fixedly connected with the left side of the first sliding block 3.
The high-pressure exhaust port 5 is arranged at the right end of the high-pressure cavity 1, the right side of the lower end of the high-pressure cavity 1 is provided with a first connecting port 14 connected with the air inlet 6, when the first spring 2 is in a natural state, the first cone portion 32 of the first sliding block 3 blocks the high-pressure exhaust port 5, and the first connecting port 14 is arranged at one side close to the first cone portion 32, so that the first sliding block 3 cannot block the first connecting port 14; when the first spring 2 is in a compressed state, the first slider 3 is positioned at the left side of the high-pressure chamber 1, and the first cone portion 32 of the first slider 3 is separated from the high-pressure exhaust port 5.
The left side of the upper end of the first low-pressure cavity 7 is provided with a second connecting port 15 connected with the air inlet 6, and the right end of the first low-pressure cavity 7 is provided with a first communication hole 17.
The second sliding block 8 is arranged in the first low-pressure cavity 7, the second sliding block 8 is in a cylindrical shape, and the right end of the second sliding block 8 is fixedly connected with a connecting rod 10.
Two sealing rings 4 are arranged outside the second sliding block 8, so that the second sliding block 8 can slide left and right in the first low-pressure cavity 7 conveniently to maintain the air pressure difference, and the sealing rings 4 are respectively arranged at two ends of the second sliding block 8.
The third slider 12 is disposed in the second low pressure cavity 11, the third slider 12 includes a second cylindrical portion 121 and a second cone portion 122, the second cylindrical portion 121 and the second cone portion 122 are integrally formed, the second cone portion 122 is disposed on one side close to the low pressure exhaust port 13, and the left end of the third slider 12 is fixedly connected with the connecting rod 10.
The right side of the upper end of the second low pressure cavity 11 is provided with a third connection port 16 connected with the air inlet 6, the left end of the second low pressure cavity 11 is provided with a second communication hole 18, and the low pressure air outlet 13 is arranged at the right end of the second low pressure cavity 11. When the second spring 9 is in a natural state, the second slider 8 is positioned in the middle of the first low-pressure cavity 7, the third slider 12 is positioned on the right side of the second low-pressure cavity 11, the second cone portion 122 of the third slider 12 blocks the low-pressure air outlet 13, and the third connecting port 16 is arranged on one side close to the second cone portion 122, so that the third slider 12 cannot block the third connecting port 16; when the second spring 9 is in the extended state, the second slider 8 is at the left side of the first low pressure cavity 7, the second slider 8 drives the third slider 12 to synchronously move leftwards, the second slider 8 blocks the second connection port 15, and the second cone 122 of the third slider 12 is separated from the low pressure exhaust port 13.
One end of the connecting rod 10 passes through the first connecting hole 17 to be connected with the second sliding block 8, the other end of the connecting rod 10 passes through the second connecting hole 18 to be connected with the third sliding block 12, the second spring 9 is installed outside one side of the connecting rod 10 close to the second sliding block 8, the left end of the second spring 9 is connected with the second sliding block 8, and the right end of the second spring 9 is fixedly connected with the right side inner wall of the first low-pressure cavity 7.
The left end of the second spring 9 is abutted or fixedly connected with the right side of the second sliding block 8.
The diameter of the connecting rod 10 is the same as or slightly smaller than the diameters of the first and second connecting holes 17 and 18.
The main functions of the utility model are as follows:
1. the utility model is different from the traditional electromagnetic valve coil which controls the on-off of the valve by electromagnetic drive, and the two-way valve switch is completely controlled by the pressure input from the outside.
2. According to the utility model, the high-pressure valve and the low-pressure valve can be automatically regulated according to the pressure state, the input control requirements of the positive pressure, the normal pressure and the negative pressure are met, and the pressure to be measured reaches a certain threshold value and can be switched to the corresponding pressure gauge.
3. By adopting the utility model, the positive and negative pressure calculation meter can coexist on the same pipeline with variable positive and negative pressure, and can play a role in protecting equipment for equipment with pressure protection requirement, such as equipment with positive pressure or negative pressure.
In view of the above, after reading the present document, those skilled in the art should make various other corresponding changes without creative mental effort according to the technical scheme and the technical conception of the present utility model, which are all within the scope of the present utility model.

Claims (10)

1. The pressure control type two-way valve is characterized by comprising a high-pressure cavity, a first low-pressure cavity, a second low-pressure cavity and an air inlet, wherein the air inlet is respectively communicated with the high-pressure cavity, the first low-pressure cavity and the second low-pressure cavity, the high-pressure cavity is provided with a first sliding block and a high-pressure air outlet, and the first sliding block controls the opening or closing of the high-pressure air outlet; the first low-pressure cavity is provided with a second sliding block, the second sliding block is connected with a third sliding block, the second low-pressure cavity is provided with a third sliding block and a low-pressure exhaust port, and the third sliding block controls the opening or closing of the low-pressure exhaust port.
2. The pressure control type two-way valve according to claim 1, wherein the high pressure chamber is arranged above the air inlet, the first low pressure chamber and the second low pressure chamber are arranged below the air inlet, and the second low pressure chamber is arranged on the right side of the first low pressure chamber.
3. The pressure controlled two-way valve of claim 1, wherein the first slider is mounted inside the high pressure chamber, the first slider comprising a first cylindrical portion and a first conical portion, the first conical portion being disposed on a side proximate the high pressure exhaust port.
4. The pressure control type two-way valve according to claim 3, wherein a first spring is arranged on the left side of the first sliding block, the left end of the first spring is fixedly connected with the left inner wall of the high-pressure cavity, and the right end of the first spring is connected with the first sliding block.
5. A pressure-controlled two-way valve according to claim 3, wherein the high-pressure exhaust port is mounted at the right end of the high-pressure chamber, and a first connection port connected to the air inlet is provided at the right side of the lower end of the high-pressure chamber.
6. The pressure control type two-way valve according to claim 5, wherein a second connecting port connected with the air inlet is arranged on the left side of the upper end of the first low-pressure cavity, and a first communicating hole is formed in the right end of the first low-pressure cavity.
7. The pressure control type two-way valve according to claim 6, wherein the second slider is arranged in the first low-pressure cavity, and a connecting rod is fixedly connected to the right end of the second slider.
8. The pressure control type two-way valve according to claim 7, wherein a third connecting port connected with the air inlet is arranged on the right side of the upper end of the second low-pressure cavity, a second communication hole is formed in the left end of the second low-pressure cavity, and the low-pressure air outlet is arranged on the right end of the second low-pressure cavity.
9. The pressure control type two-way valve according to claim 8, wherein the third slider is arranged in the second low-pressure cavity, the third slider comprises a second cylindrical body and a second cone body, the second cone body is arranged on one side close to the low-pressure exhaust port, and the left end of the third slider is fixedly connected with the connecting rod.
10. The pressure control type two-way valve according to claim 9, wherein one end of the connecting rod passes through the first connecting hole and is connected with the second sliding block, the other end of the connecting rod passes through the second connecting hole and is connected with the third sliding block, a second spring is installed outside one side of the connecting rod, which is close to the second sliding block, of the connecting rod, the left end of the second spring is connected with the second sliding block, and the right end of the second spring is fixedly connected with the right inner wall of the first low pressure cavity.
CN202321322834.5U 2023-05-29 2023-05-29 Pressure control type double-way valve Active CN219866414U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321322834.5U CN219866414U (en) 2023-05-29 2023-05-29 Pressure control type double-way valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321322834.5U CN219866414U (en) 2023-05-29 2023-05-29 Pressure control type double-way valve

Publications (1)

Publication Number Publication Date
CN219866414U true CN219866414U (en) 2023-10-20

Family

ID=88318244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321322834.5U Active CN219866414U (en) 2023-05-29 2023-05-29 Pressure control type double-way valve

Country Status (1)

Country Link
CN (1) CN219866414U (en)

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