CN210831428U - Gas bidirectional non-return control valve - Google Patents
Gas bidirectional non-return control valve Download PDFInfo
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- CN210831428U CN210831428U CN201920897754.XU CN201920897754U CN210831428U CN 210831428 U CN210831428 U CN 210831428U CN 201920897754 U CN201920897754 U CN 201920897754U CN 210831428 U CN210831428 U CN 210831428U
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Abstract
The utility model discloses a gaseous two-way non return control valve relates to the gas valve field. The control valve includes: a valve body divided by a partition into: the first cavity includes: the first water seal liquid inlet, the first water seal liquid outlet and the first air pipe; the second cavity includes: a second water seal liquid inlet, a second water seal liquid outlet and a second air pipe; the first cavity is communicated with the second cavity at the top of the partition plate; the first water seal control pipe includes: the device comprises a first water seal control pipe interface, a first U-shaped water seal pipe section, a first high liquid level control valve and a first low liquid level control valve; the second water seal control pipe includes: second water seal control tube interface, second U type water seal pipe section, the high liquid level control valve of second, the low liquid level control valve of second, through opening and closing of high low liquid level control valve realize gaseous two-way non return control, beneficial effect: the utility model discloses changed in the past can only one-way non return the mode, and simple structure, practicality are strong.
Description
Technical Field
The utility model relates to a gas valve especially relates to a gaseous two-way non return control valve.
Background
A valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device capable of controlling the flow rate by flowing or stopping a medium in a pipe or an apparatus. Gas valves are control components in pipeline gas delivery systems that are used to change the direction or magnitude of the gas flow.
The gas check valve is used for preventing gas from flowing backwards, is automatically opened by utilizing the self kinetic energy of the gas, is automatically closed when flowing reversely, and is usually arranged at an outlet of the air pump and other places which do not allow the fluid to flow reversely. The existing gas valve mainly adopts one-way check, and a gas valve capable of realizing two-way check is needed.
Disclosure of Invention
The utility model discloses a solve above-mentioned problem, now provide a gaseous two-way non return control valve, include:
a valve body divided by a partition into:
a first cavity, the first cavity comprising:
the first water seal liquid inlet is arranged at the top of the first cavity;
the first water seal liquid outlet is arranged on the side wall of the first cavity;
the bottom end of the first air pipe extends inwards into the first cavity, and the top end of the first air pipe extends outwards out of the first cavity;
a second cavity comprising:
the second water seal liquid inlet is arranged at the top of the second cavity;
the second water seal liquid outlet is arranged on the side wall of the second cavity;
the bottom end of the second air pipe extends inwards into the second cavity, and the top end of the second air pipe extends outwards out of the second cavity;
the first cavity and the second cavity are communicated with the top of the partition plate;
a first water seal control tube, the first water seal control tube comprising:
the first water seal control pipe interface is connected with the first water seal liquid outlet;
the first U-shaped water seal pipe section is provided with a first pipeline and a second pipeline which are vertically upward, and the first pipeline is connected with the first water seal control pipe interface;
the first high liquid level control valve is connected with the second pipeline, and the setting position of the first high liquid level control valve is higher than the position of the bottom end of the first air pipe and lower than the position of the top of the partition plate;
and the first low liquid level control valve is connected with the second pipeline, and the setting position of the first low liquid level control valve is lower than the position of the bottom end of the first air pipe and higher than the position of the U-shaped groove of the first U-shaped water seal pipe section.
A second water seal control pipe, the second water seal control pipe comprising:
the second water seal control pipe interface is connected with the second water seal liquid outlet;
the second U-shaped water seal pipe section is provided with a third pipeline and a fourth pipeline which are vertically upward, and the third pipeline is connected with the interface of the second water seal control pipe;
the second high liquid level control valve is connected with the fourth pipeline, and the setting position of the second high liquid level control valve is higher than the position of the bottom end of the second air pipe and lower than the position of the top of the partition plate;
and the second low liquid level control valve is connected with the fourth pipeline, and the setting position of the second low liquid level control valve is lower than the position of the bottom end of the second air pipe and higher than the position of the U-shaped groove of the second U-shaped water sealing pipe section.
Preferably, the pressure of the water column in the first U-shaped water seal pipe section is greater than the gas pressure inside the valve body; the pressure of the water column in the second U-shaped water seal pipe section is larger than the gas pressure in the valve body.
Preferably, the liquid in the first water seal cavity is water, and the liquid in the second water seal cavity is water.
Preferably, the valve body is rectangular.
Preferably, the valve body is circular.
Preferably, the first water seal control pipe is a steel pipe and/or a hose.
Preferably, the second water seal control pipe is a steel pipe and/or a hose.
The utility model discloses following beneficial effect has:
through setting up gaseous two-way non return control valve, changed in the past the mode that only can one-way non return, this project organization is simple, the practicality is strong.
Drawings
FIG. 1 is a schematic view of a two-way check control valve according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a two-way check control valve for one-way check according to a preferred embodiment of the present invention;
FIG. 3 is a schematic view of a two-way check control valve for one-way check according to a preferred embodiment of the present invention;
FIG. 4 is a schematic diagram of a two-way check control valve according to a preferred embodiment of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
The utility model provides a gaseous two-way non return control valve, as shown in figure 1, include:
a first chamber 1, the first chamber 1 comprising:
the first water seal liquid inlet 11 is arranged at the top of the first cavity 1;
a first water seal liquid outlet 12 arranged on the side wall of the first cavity 1;
the bottom end of the first air pipe 13 extends inwards into the first cavity 1, and the top end of the first air pipe 13 extends outwards out of the first cavity 1;
a second water seal liquid inlet 21 arranged at the top of the second cavity 2;
a second water-sealed liquid outlet 22 arranged on the side wall of the second cavity 2;
the bottom end of the second air pipe 23 extends inwards into the second cavity 2, and the top end of the second air pipe 23 extends outwards out of the second cavity 2;
the first cavity 1 and the second cavity 2 are communicated with each other at the top of the clapboard 4;
a first water seal control pipe 14, the first water seal control pipe 14 including:
the first water seal control pipe interface 15 is connected with the first water seal liquid outlet 12;
the first U-shaped water seal pipe section 16 is provided with a first pipeline 161 and a second pipeline 162 which are vertically upward, and the first pipeline 161 is connected with the first water seal control pipe connector 15;
a first high liquid level control valve 17 connected to the second pipe 162, the first high liquid level control valve 17 being disposed at a position higher than the bottom end of the first air pipe 13 and lower than the top of the partition plate 4;
the first low liquid level control valve 18 is connected to the second pipeline 162, and the first low liquid level control valve 18 is disposed at a position lower than the bottom end of the first air pipe 13 and higher than the U-shaped groove of the first U-shaped water seal pipe section 16.
A second water seal control pipe 24, the second water seal control pipe 24 including:
a second water-seal control pipe interface 25 connected with the second water-seal liquid outlet 22;
the second U-shaped water seal pipe section 26 is provided with a third pipeline 261 and a fourth pipeline 262 which are vertically upward, and the third pipeline 261 is connected with the second water seal control pipe interface 25;
a second high liquid level control valve 27 connected to the fourth pipe 262, the second high liquid level control valve 27 being disposed higher than the bottom end of the second air pipe 23 and lower than the top of the partition 4;
and the second low liquid level control valve 28 is connected with the fourth pipeline 262, and the setting position of the second low liquid level control valve 28 is lower than the position of the bottom end of the second air pipe 23 and higher than the position of the U-shaped groove of the second U-shaped water sealing pipe section 26.
Specifically, in the present embodiment, the valve body 3 is divided into the first chamber 1 and the second chamber 2 by the partition plate 4, and the first chamber 1 and the second chamber 2 communicate with each other through the passage 5 at the top of the partition plate 4.
The top of the first cavity 1 is provided with a first water seal liquid inlet 11 for the first water seal liquid to enter the first cavity, the top of the first cavity 1 is also provided with a first air pipe 13, one end of the first air pipe 13 is arranged in the first cavity 1, and the other end of the first air pipe is connected with an external air source. The side wall of the first cavity 1 is provided with a first water-sealed liquid outlet 12, the first water-sealed liquid outlet 12 is connected with a first water-sealed control pipe interface 15, and then connected with a first U-shaped water-sealed pipe section 16, and the first U-shaped water-sealed pipe section 16 is divided into a first pipeline 161 and a second pipeline 162. The second pipe section 162 is connected to the first high level control valve 17 and the first low level control valve 18, respectively.
The top of the second cavity 1 is provided with a second water seal liquid inlet 21 for the second water seal liquid to enter the second cavity 2, the top of the second cavity 2 is also provided with a second air pipe 23, one end of the second air pipe 23 is arranged in the second cavity 2, and the other end of the second air pipe is connected with an external air source. The side wall of the second cavity 2 is provided with a second water-sealed liquid outlet 22, the second water-sealed liquid outlet 22 is connected to the second water-sealed control pipe connector 25, and then connected to a second U-shaped water-sealed pipe section 26, and the second U-shaped water-sealed pipe section 26 is divided into a third pipeline 261 and a fourth pipeline 262. The fourth conduit 262 is in turn connected to the second high level control valve 27 and the second low level control valve 28, respectively.
As shown in fig. 2, when the first high level control valve 17 is opened and the first low level control valve 18 is closed, the height of the first water-sealing liquid in the first chamber 1 is the same as the height of the first high level control valve 17; after the second low liquid level control valve 28 is opened, the height of the second water seal liquid in the second cavity 2 is the same as the height of the second low liquid level control valve 28, and the liquid level is low; at this time, the high liquid level in the first cavity 1 seals the bottom of the first air pipe 13, and the air can only flow out of the first air pipe 13, enters the second cavity 2 through the channel 5 at the top of the partition plate 4, and then enters the second air pipe 23, so that one-way check is realized.
As shown in fig. 3, when the first low level control valve 18 is opened, the second high level control valve 27 is opened and the second low level control valve 28 is closed, the first water-sealed liquid in the first cavity 1 is at a low liquid level, the second water-sealed liquid in the second cavity 2 is at a high liquid level, and the gas flows out from the second gas pipe 23, enters the first cavity 1 through the passage 5, and finally enters the first gas pipe 13, so that the one-way check is achieved.
As shown in fig. 4, the first low level control valve 18 and the second low level control valve 28 are closed, the first high level control valve 17 and the second high level control valve 27 are opened, the first water-sealing liquid and the second water-sealing liquid are both high liquid levels, and the outlets are sealed, so that the two-way check is realized.
In the preferred embodiment of the present invention, the pressure of the water column in the first U-shaped water sealing pipe section 16 is greater than the gas pressure inside the valve body 3; the pressure of the water column in the second U-shaped water-sealed pipe section 26 is greater than the gas pressure inside the valve body 3.
Specifically, in this embodiment, when the first cavity 1 is at a low liquid level, only the water-sealed liquid in the first U-shaped water-sealed pipe section 16 remains, and the pressure generated by the height of the water-sealed liquid is greater than the gas pressure inside the valve body 3, so as to ensure that the gas does not discharge the liquid in the first U-shaped water-sealed pipe section 16; similarly, the pressure of the water column in the second U-shaped water-sealed pipe section 26 also needs to be higher than the gas pressure inside the valve body 3.
In the preferred embodiment of the present invention, the liquid in the first water-sealed chamber 1 is water, and the liquid in the second water-sealed chamber 2 is water.
Specifically, in this embodiment, the liquid in the first water-sealing cavity 1 and the second water-sealing cavity 2 is preferably water, and may be other liquids.
In the preferred embodiment of the present invention, the valve body 3 is rectangular.
In the preferred embodiment of the present invention, the valve body 3 is circular.
Specifically, in this embodiment, the valve body 3 is preferably rectangular or circular, and other shapes do not affect the implementation of the present invention.
In the preferred embodiment of the present invention, the first water-sealing control pipe 14 is a steel pipe and/or a flexible pipe.
In the preferred embodiment of the present invention, the second water-sealing control pipe 24 is a steel pipe and/or a flexible pipe.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (7)
1. A two-way check control valve for gases, comprising:
a valve body divided by a partition into:
a first cavity, the first cavity comprising:
the first water seal liquid inlet is arranged at the top of the first cavity;
the first water seal liquid outlet is arranged on the side wall of the first cavity;
the bottom end of the first air pipe extends inwards into the first cavity, and the top end of the first air pipe extends outwards out of the first cavity;
a second cavity comprising:
the second water seal liquid inlet is arranged at the top of the second cavity;
the second water seal liquid outlet is arranged on the side wall of the second cavity;
the bottom end of the second air pipe extends inwards into the second cavity, and the top end of the second air pipe extends outwards out of the second cavity;
the first cavity and the second cavity are communicated with the top of the partition plate; a first water seal control tube, the first water seal control tube comprising:
the first water seal control pipe interface is connected with the first water seal liquid outlet;
the first U-shaped water seal pipe section is provided with a first pipeline and a second pipeline which are vertically upward, and the first pipeline is connected with the first water seal control pipe interface;
the first high liquid level control valve is connected with the second pipeline, and the setting position of the first high liquid level control valve is higher than the position of the bottom end of the first air pipe and lower than the position of the top of the partition plate;
the first low liquid level control valve is connected with the second pipeline, and the setting position of the first low liquid level control valve is lower than the position of the bottom end of the first air pipe and higher than the position of the U-shaped groove of the first U-shaped water seal pipe section; a second water seal control pipe, the second water seal control pipe comprising:
the second water seal control pipe interface is connected with the second water seal liquid outlet;
the second U-shaped water seal pipe section is provided with a third pipeline and a fourth pipeline which are vertically upward, and the third pipeline is connected with the interface of the second water seal control pipe;
the second high liquid level control valve is connected with the fourth pipeline, and the setting position of the second high liquid level control valve is higher than the position of the bottom end of the second air pipe and lower than the position of the top of the partition plate;
and the second low liquid level control valve is connected with the fourth pipeline, and the setting position of the second low liquid level control valve is lower than the position of the bottom end of the second air pipe and higher than the position of the U-shaped groove of the second U-shaped water sealing pipe section.
2. The valve of claim 1, wherein the pressure of the water column in the first U-shaped water sealing pipe section is greater than the gas pressure inside the valve body; the pressure of the water column in the second U-shaped water seal pipe section is larger than the gas pressure in the valve body.
3. The valve of claim 1, wherein the liquid in the first water-sealed chamber is water, and the liquid in the second water-sealed chamber is water.
4. A bi-directional check control valve of gas as recited in claim 1 wherein said valve body is rectangular.
5. A bi-directional check control valve of gas as recited in claim 1 wherein said valve body is circular.
6. The valve of claim 1, wherein the first water seal control pipe is a steel pipe and/or a hose.
7. The valve of claim 1, wherein the second water seal control pipe is a steel pipe and/or a hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920897754.XU CN210831428U (en) | 2019-06-14 | 2019-06-14 | Gas bidirectional non-return control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920897754.XU CN210831428U (en) | 2019-06-14 | 2019-06-14 | Gas bidirectional non-return control valve |
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| Publication Number | Publication Date |
|---|---|
| CN210831428U true CN210831428U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920897754.XU Active CN210831428U (en) | 2019-06-14 | 2019-06-14 | Gas bidirectional non-return control valve |
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| CN (1) | CN210831428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173624A (en) * | 2019-06-14 | 2019-08-27 | 中国建材国际工程集团有限公司 | A kind of gas dual check control valve |
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2019
- 2019-06-14 CN CN201920897754.XU patent/CN210831428U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173624A (en) * | 2019-06-14 | 2019-08-27 | 中国建材国际工程集团有限公司 | A kind of gas dual check control valve |
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