CN215172341U - Pressure relief exhaust valve - Google Patents
Pressure relief exhaust valve Download PDFInfo
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- CN215172341U CN215172341U CN202121268894.4U CN202121268894U CN215172341U CN 215172341 U CN215172341 U CN 215172341U CN 202121268894 U CN202121268894 U CN 202121268894U CN 215172341 U CN215172341 U CN 215172341U
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Abstract
The utility model provides a pressure release discharge valve, includes the valve body, is equipped with the cavity in the valve body, and the bottom of valve body is equipped with the air inlet, the top is equipped with the gas outlet, inside air inlet intercommunication container, and the gas outlet intercommunication is external, cavity and air inlet intercommunication float bowl are provided with in the cavity that floats, and the top of valve body is equipped with exhaust passage and pressure release chamber, and exhaust passage intercommunication gas outlet, the activity is provided with the pressure release subassembly about the pressure release intracavity. The utility model discloses a pressure release discharge valve has fused the theory of operation and the advantage of relief valve and discharge valve, the water is in the heating process in the container, the volume expansion, the water level rises, the buoy rises in the valve body, exhaust passage has been sealed, continuously rise to the rated pressure release value of pressure release subassembly when internal pressure, pressure release passage opens, exhaust water and the air that stores up, when the container temperature drops to the constant value, because of the temperature descends, the internal water volume of container contracts, the water level descends, form the negative pressure, it descends to accompany the buoy, open exhaust passage, the atmosphere can get into the container through exhaust passage, prevent the harm of negative pressure.
Description
Technical Field
The utility model particularly relates to a pressure release discharge valve.
Background
At present, commercial water dispensers and water storage type heating containers on the market basically have the phenomenon that water is sprayed out instantly when a valve is just opened along with the release of storage pressure after a water body is heated and in the heat preservation process when the boiled water is released, so that the use experience of users is influenced and certain danger exists. To solve this problem, two solutions are currently used in the market: 1. the top of the water storage container is additionally provided with a pressure release valve, the pressure in the container rises in the water body heating process, when the rated pressure release value of the pressure release valve is reached, the pressure release valve releases the water-vapor mixture in the container so as to achieve the purpose of reducing the pressure in the container, but the pressure release valve can only reduce the pressure of the container (the rated value of the pressure release valve commonly used in the market is 0.3MPa), but certain pressure still remains, and the problem of the pressure in the container cannot be fundamentally solved; 2. an exhaust valve is additionally arranged at the top of the water storage container, the water storage container is communicated with the outside to release pressure, but in the heating process of the water storage container, the volume of water expands, the water level rises, the buoy or the water sealing element rises to close a channel, and the pressure in the container cannot be completely released.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pressure release discharge valve that simple structure, can thoroughly solve pressure problem, safe and reliable, environmental protection, practicality are strong in the container to overcome the weak point among the prior art.
According to a pressure release discharge valve of this purpose design, including the valve body, its characterized in that: the pressure relief valve is characterized in that a cavity is arranged in the valve body, an air inlet is formed in the bottom of the valve body, an air outlet is formed in the top of the valve body, the air inlet is communicated with the inside of the container, the air outlet is communicated with the outside, the cavity is communicated with the air inlet, a floating barrel is arranged in the cavity in a floating mode, an exhaust channel and a pressure relief cavity are formed in the top of the valve body, the exhaust channel is communicated with the air outlet, and a pressure relief assembly is movably arranged in the pressure relief cavity up and down; when the floating cylinder moves to the position of the top of the cavity, the exhaust channel is opened to enable the cavity to be communicated with the exhaust channel, and when the floating cylinder moves to the position of the top of the cavity, the exhaust channel is closed to enable the cavity to be not communicated with the exhaust channel; the exhaust passage is opened when the pressure relief assembly moves upwards so that the cavity is communicated with the exhaust passage through the pressure relief cavity, and the exhaust passage is closed when the pressure relief assembly moves downwards to the bottom of the pressure relief cavity so that the cavity, the pressure relief cavity and the exhaust passage are not communicated with each other.
The air outlets comprise a first air outlet arranged transversely and a second air outlet arranged longitudinally;
the first air outlet is provided with an air outlet nozzle, the second air outlet is provided with a water sealing plug, the first air outlet is communicated with the outside through the air outlet nozzle, and the second air outlet is not communicated with the outside;
or a water sealing plug is arranged on the first air outlet, an air outlet nozzle is arranged on the second air outlet, the second air outlet is communicated with the outside through the air outlet nozzle, and the first air outlet is not communicated with the outside.
The top of cavity is equipped with the gas vent, gas vent and exhaust passage intercommunication, and the top of flotation pontoon is equipped with first water sealing cover, and the flotation pontoon opens exhaust passage through the gas vent when removing to non-cavity top position to make cavity and exhaust passage intercommunication, first water sealing cover closes exhaust passage through the gas vent when the flotation pontoon removes to cavity top position, so that cavity and exhaust passage do not communicate.
The exhaust port is provided with a ventilating sheet, and the ventilating sheet is provided with a plurality of through holes.
The pressure relief assembly comprises a pressure relief pull rod and a sealing gasket, a second water sealing cover is arranged at the top of the pressure relief cavity, the second water sealing cover seals an opening at the top of the pressure relief cavity, the sealing gasket is arranged at one end of the pressure relief pull rod, the other end of the pressure relief pull rod penetrates through the second water sealing cover and then extends out of the pressure relief cavity, a water outlet is formed in the top of the cavity, and a boss is arranged on the water outlet; the sealing gasket is separated from the boss when the pressure relief pull rod moves upwards to open the pressure relief cavity and the exhaust channel, the cavity is communicated with the exhaust channel through the water outlet and the pressure relief cavity in sequence, and the sealing gasket is contacted with the boss when the pressure relief pull rod moves downwards to the bottom of the pressure relief cavity to close the pressure relief cavity and the exhaust channel, so that the water outlet, the pressure relief cavity and the exhaust channel are not communicated with each other.
And an elastic piece is arranged between the second water sealing cover and the pressure relief head at the bottom of the pressure relief pull rod, and after the pressure relief pull rod moves upwards, the elastic piece elastically acts on the pressure relief head to enable the pressure relief pull rod to move downwards to reset.
The other end of the pressure relief pull rod is provided with a pressure relief handle, and the pressure relief handle is positioned on the top side of the pressure relief cavity.
The bottom of valve body is installed interior tooth base, is provided with the filter screen in the interior tooth base, and the filter screen is located the below of air inlet, and communicates with the air inlet, and movable nut is installed to the bottom of interior tooth base, is provided with movable nut steel ring between movable nut and the interior tooth base, is equipped with the internal thread of being connected with the container cooperation on the movable nut.
The bottom of valve body is installed outer tooth base, is provided with the filter screen in the outer tooth base, and the filter screen is located the below of air inlet, and communicates with the air inlet, and the bottom of outer tooth base is equipped with the external screw thread of being connected with the container cooperation.
The flotation pontoon is made by stainless steel material, and the valve body is made by the copper product material, and first water sealing lid is made by rubber materials.
The utility model discloses a pressure release discharge valve has fused the theory of operation and the advantage of relief valve and discharge valve, the water is in the heating process in the container, the volume expansion, the water level rises, the stainless steel flotation pontoon in the valve body rises, exhaust passage has been sealed, when the internal pressure continues to rise to the rated pressure release value of pressure release subassembly, the pressure release passageway is opened, exhaust water and the air that stores up, with the container internal pressure that releases completely, when the container temperature drops to the constant value, because of the temperature drop, the water volume shrinks in the container, the water level descends, form the negative pressure, the stainless steel flotation pontoon descends along with, open exhaust passage, the atmosphere can get into the container through exhaust passage, prevent the harm of negative pressure, reach "zero pressure" state.
Drawings
Fig. 1 is an exploded view of a pressure relief vent valve according to a first application example of the present invention.
Fig. 2 is a cross-sectional view of a pressure relief vent valve when the float bowl of the first application example rises to the top of the cavity in an embodiment of the present invention.
Fig. 3 is a cross-sectional view of the pressure relief vent valve when the float bowl of the first application example descends to the bottom of the cavity in an embodiment of the present invention.
Fig. 4 is an exploded view of a pressure relief/exhaust valve according to a second application example of an embodiment of the present invention.
Fig. 5 is a cross-sectional view of a pressure relief vent valve when the float bowl of the second application example rises to the top of the cavity according to an embodiment of the present invention.
Fig. 6 is a cross-sectional view of a pressure relief vent valve when the float bowl of the second application example of the present invention is lowered to the bottom of the cavity in an embodiment of the present invention.
Fig. 7 is an exploded schematic view of a pressure relief assembly according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-7, the pressure relief exhaust valve is applied to a commercial water dispenser or a water storage type heating container and comprises a valve body 1, wherein a cavity 2 is arranged in the valve body 1, an air inlet 1.1 is formed in the bottom of the valve body 1, an air outlet 1.2 is formed in the top of the valve body 1, the container is arranged on the commercial water dispenser or the water storage type heating container, the air inlet 1.1 is communicated with the inside of the container, the air outlet 1.2 is communicated with the outside, the cavity 2 is communicated with the air inlet 1.1, a floating pontoon 3 is arranged in the cavity 2 in a floating manner, an exhaust channel 1.3 and a pressure relief cavity 1.4 are formed in the top of the valve body 1, the exhaust channel 1.3 is communicated with the air outlet 1.2, and a pressure relief assembly is movably arranged in the pressure relief cavity 1.4 up and down; when the float bowl 3 moves to the position of the top of the non-cavity 2, the exhaust channel 1.3 is opened to enable the cavity 2 to be communicated with the exhaust channel 1.3, and when the float bowl 3 moves to the position of the top of the cavity 2, the exhaust channel 1.3 is closed to enable the cavity 2 to be not communicated with the exhaust channel 1.3; when the pressure relief assembly moves upwards, the exhaust channel 1.3 is opened, so that the cavity 2 is communicated with the exhaust channel 1.3 through the pressure relief cavity 1.4, and when the pressure relief assembly moves downwards to the bottom position of the pressure relief cavity 1.4, the exhaust channel 1.3 is closed, so that the cavity 2, the pressure relief cavity 1.4 and the exhaust channel 1.3 are not communicated with each other. The pressure relief and exhaust valve integrates the working principle and the advantages of the pressure relief valve and the exhaust valve, and can solve the problems that the residual pressure in the container can not be completely released in the heating and heat preservation processes of a commercial water dispenser or a heating water storage container, the volume of water in the container expands after being heated to ensure that the pressure in the container is pressed and the residual air in the container can not be discharged so as to store the pressure in the container.
The air outlets 1.2 comprise first air outlets 1.2.1 arranged transversely and second air outlets 1.2.2 arranged longitudinally;
the first air outlet 1.2.1 is provided with an air outlet nozzle 4, the second air outlet 1.2.2 is provided with a water sealing plug 5, the first air outlet 1.2.1 is communicated with the outside through the air outlet nozzle 4, and the second air outlet 1.2.2 is not communicated with the outside;
or the first air outlet 1.2.1 is provided with a water sealing plug 5, the second air outlet 1.2.2 is provided with an air outlet nozzle 4, the second air outlet 1.2.2 is communicated with the outside through the air outlet nozzle 4, and the first air outlet 1.2.1 is not communicated with the outside.
The user can select to use first gas outlet 1.2.1 or second gas outlet 1.2.2 according to the actual use condition, only need with air outlet nozzle 4 and water shutoff end cap 5 transposition position, just can switch gas outlet 1.2, convenience of customers uses.
A first sealing ring 19 is arranged between the air outlet nozzle 4 and the opening wall of the first air outlet 1.2.1 or the opening wall of the second air outlet 1.2.2.
The top of cavity 2 is equipped with gas vent 1.5, gas vent 1.5 and exhaust passage 1.3 intercommunication, and the top of flotation pontoon 3 is equipped with first water seal lid 6, and the exhaust passage 1.3 is opened through gas vent 1.5 when flotation pontoon 3 moves to non-cavity 2 top position to make cavity 2 and exhaust passage 1.3 intercommunication, and first water seal lid 6 closes exhaust passage 1.3 through gas vent 1.5 when flotation pontoon 3 moves to cavity 2 top position, so that cavity 2 and exhaust passage 1.3 do not communicate.
Be provided with air permeability piece 12 on the gas vent 1.5, be provided with a plurality of through-holes 12.1 on the air permeability piece 12, when flotation pontoon 3 removed to non-cavity 2 top position, cavity 2 communicated gas vent 1.5 through-hole 12.1 on the air permeability piece 12.
The pressure relief assembly comprises a pressure relief pull rod 7 and a sealing gasket 8, a second water sealing cover 9 is arranged at the top of the pressure relief cavity 1.4, the second water sealing cover 9 seals an opening at the top of the pressure relief cavity 1.4, the sealing gasket 8 is installed at one end of the pressure relief pull rod 7, the sealing gasket 8 is made of a silica gel material, the other end of the pressure relief pull rod 7 penetrates through the second water sealing cover 9 and then extends out of the pressure relief cavity 1.4, a water outlet 1.6 is arranged at the top of the cavity 2, and a boss 1.7 is arranged on the water outlet 1.6; when the pressure relief pull rod 7 moves upwards, the sealing gasket 8 is separated from the boss 1.7 so as to open the pressure relief cavity 1.4 and the exhaust channel 1.3, the cavity 2 is communicated with the exhaust channel 1.3 through the water outlet 1.6 and the pressure relief cavity 1.4 in sequence, when the pressure relief pull rod 7 moves downwards to the bottom of the pressure relief cavity 1.4, the sealing gasket 8 is contacted with the boss 1.7 so as to close the pressure relief cavity 1.4 and the exhaust channel 1.3, so that the water outlet 1.6, the pressure relief cavity 1.4 and the exhaust channel 1.3 are not communicated with each other; the boss 1.7 can better cater to the sealing gasket 8, better sealing is achieved, and when the pressure of the medium in the valve body 1 does not reach a rated pressure relief value, the medium cannot flow into the pressure relief cavity 1.4.
A pressure relief spring 10 is arranged between the second water sealing cover 9 and a pressure relief head 7.1 at the bottom of the pressure relief pull rod 7, and after the pressure relief pull rod 7 moves upwards, the pressure relief spring 10 elastically acts on the pressure relief head 7.1 to enable the pressure relief pull rod 7 to move downwards to reset.
The other end of the pressure relief pull rod 7 is provided with a pressure relief handle 11, and the pressure relief handle 11 is positioned at the top side of the pressure relief cavity 1.4; a second sealing ring 17 is arranged between the pressure relief pull rod 7 and the second water sealing cover 9, and a third sealing ring 18 is arranged between the second water sealing cover 9 and the cavity wall of the cavity 2.
Or the bottom of the valve body 1 is provided with an outer tooth base 21, a filter screen 14 is arranged in the outer tooth base 21, the filter screen 14 is positioned below the air inlet 1.1 and communicated with the air inlet 1.1, the filter screen 14 can filter air or water entering the container, and the bottom of the outer tooth base 21 is provided with an external thread 21.1 which is matched and connected with the container.
Through the base of configuration different screw thread types, can make pressure release discharge valve be connected with the container of different screw thread types, improve pressure release discharge valve's commonality.
A fourth sealing ring 20 is arranged between the outer wall of the valve body 1 and the inner wall of the inner tooth base 13 or the inner wall of the outer tooth base 21.
The float bowl 3 is made of stainless steel material, the valve body 1 is made of copper material, and the first water sealing cover 6 is made of silica gel material; the valve body 1 is made of all-environment-friendly copper materials, the buoy 3 is made of stainless steel materials, the first water sealing cover 6 is made of edible silica gel materials, the requirement of drinking water equipment on the market is met, the miniature stainless steel buoy 3 replaces a conventional plastic part buoy on the market at present, so that the buoy 3 is more resistant to temperature, the temperature can reach 160 ℃, the plastic part buoy limits the medium temperature, and the general limit is 110 ℃; the pressure relief exhaust valve has light weight, the net weight of the product is about 80g, and the weight of similar products in the market is 110-145g, so that the pressure relief exhaust valve has more competitive advantages.
The working principle of the pressure relief exhaust valve is as follows:
when gas overflows from the container, the gas can climb upwards along the pipeline and finally gathers at the highest point of the container, the pressure relief exhaust valve is installed at the highest point of the container, the gas gathers at the upper part of the cavity 2 after entering the cavity 2, the pressure rises along with the increase of the gas in the valve, when the gas pressure in the valve is higher than the pressure of the container, the gas can lower the water level in the cavity 2, the buoy 3 descends along with the water level, the exhaust channel 1.3 is opened, and the gas is exhausted out of the pressure relief exhaust valve through the exhaust channel 1.3, so that the residual pressure in the container is completely released; after the gas is exhausted, the water level rises, the buoy 3 also rises, and the exhaust passage 1.3 is closed. In the same way, when negative pressure is generated in the container, the water level in the cavity 2 descends, the buoy 3 descends along with the water level, the exhaust passage 1.3 is opened, and the outside atmospheric pressure is higher than the pressure of the container, so that the atmosphere can enter the container through the exhaust passage 1.3, and the negative pressure is prevented from being damaged. Commercial water dispenser or water storage formula heating container are in the heating process, the water volume inflation, the water level rises, flotation pontoon 3 rises, exhaust passage 1.3 is closed, the medium is full of in the valve body 1, the inside pressure rising in-process that lasts of container, when cavity 2 internal pressure reaches the rated pressure release value of pressure release subassembly, pressure release subassembly rebound and open pressure release chamber 1.4 and exhaust passage 1.3, the water passes through exhaust passage 1.3 and discharges outside the pressure release discharge valve, thereby reach the pressure release purpose, thereby reduce container internal pressure.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a pressure release discharge valve, includes valve body (1), its characterized in that: a cavity (2) is arranged in the valve body (1), an air inlet (1.1) is formed in the bottom of the valve body (1), an air outlet (1.2) is formed in the top of the valve body (1), the air inlet (1.1) is communicated with the inside of the container, the air outlet (1.2) is communicated with the outside, the cavity (2) is communicated with the air inlet (1.1), a floating barrel (3) is arranged in the cavity (2) in a floating manner, an exhaust channel (1.3) and a pressure relief cavity (1.4) are formed in the top of the valve body (1), the exhaust channel (1.3) is communicated with the air outlet (1.2), and a pressure relief assembly is movably arranged in the pressure relief cavity (1.4) up and down; when the buoy (3) moves to a position which is not at the top of the cavity (2), the exhaust channel (1.3) is opened so that the cavity (2) is communicated with the exhaust channel (1.3), and when the buoy (3) moves to a position which is at the top of the cavity (2), the exhaust channel (1.3) is closed so that the cavity (2) is not communicated with the exhaust channel (1.3); when the pressure relief assembly moves upwards, the exhaust channel (1.3) is opened, so that the cavity (2) is communicated with the exhaust channel (1.3) through the pressure relief cavity (1.4), and when the pressure relief assembly moves downwards to the bottom of the pressure relief cavity (1.4), the exhaust channel (1.3) is closed, so that the cavity (2), the pressure relief cavity (1.4) and the exhaust channel (1.3) are not communicated with each other.
2. The pressure relief vent valve of claim 1 wherein: the air outlets (1.2) comprise a first air outlet (1.2.1) arranged transversely and a second air outlet (1.2.2) arranged longitudinally;
an air outlet nozzle (4) is arranged on the first air outlet (1.2.1), a water sealing plug (5) is arranged on the second air outlet (1.2.2), the first air outlet (1.2.1) is communicated with the outside through the air outlet nozzle (4), and the second air outlet (1.2.2) is not communicated with the outside;
or a water sealing plug (5) is arranged on the first air outlet (1.2.1), an air outlet nozzle (4) is arranged on the second air outlet (1.2.2), the second air outlet (1.2.2) is communicated with the outside through the air outlet nozzle (4), and the first air outlet (1.2.1) is not communicated with the outside.
3. The pressure relief vent valve of claim 2 wherein: the top of cavity (2) is equipped with gas vent (1.5), gas vent (1.5) and exhaust passage (1.3) intercommunication, the top of flotation pontoon (3) is equipped with first water seal lid (6), open exhaust passage (1.3) through gas vent (1.5) when flotation pontoon (3) move to non-cavity (2) top position, so that cavity (2) and exhaust passage (1.3) intercommunication, first water seal lid (6) are closed exhaust passage (1.3) through gas vent (1.5) when flotation pontoon (3) move to cavity (2) top position, so that cavity (2) and exhaust passage (1.3) do not communicate.
4. The pressure relief vent valve of claim 3 wherein: the exhaust port (1.5) is provided with a ventilating sheet (12), and the ventilating sheet (12) is provided with a plurality of through holes (12.1).
5. The pressure relief vent valve of claim 4 wherein: the pressure relief assembly comprises a pressure relief pull rod (7) and a sealing gasket (8), a second water sealing cover (9) is arranged at the top of the pressure relief cavity (1.4), an opening at the top of the pressure relief cavity (1.4) is sealed by the second water sealing cover (9), the sealing gasket (8) is installed at one end of the pressure relief pull rod (7), the other end of the pressure relief pull rod (7) penetrates through the second water sealing cover (9) and then extends out of the pressure relief cavity (1.4), a water outlet (1.6) is formed in the top of the cavity (2), and a boss (1.7) is arranged on the water outlet (1.6); when the pressure relief pull rod (7) moves upwards, the sealing gasket (8) is separated from the boss (1.7) to open the pressure relief cavity (1.4) and the exhaust channel (1.3), the cavity (2) is communicated with the exhaust channel (1.3) through the water outlet (1.6) and the pressure relief cavity (1.4), the sealing gasket (8) is contacted with the boss (1.7) when the pressure relief pull rod (7) moves downwards to the bottom position of the pressure relief cavity (1.4) to close the pressure relief cavity (1.4) and the exhaust channel (1.3), so that the water outlet (1.6), the pressure relief cavity (1.4) and the exhaust channel (1.3) are not communicated with each other.
6. The pressure relief vent valve of claim 5 wherein: an elastic piece (10) is arranged between the second water sealing cover (9) and a pressure relief head (7.1) at the bottom of the pressure relief pull rod (7), and after the pressure relief pull rod (7) moves upwards, the elastic piece (10) elastically acts on the pressure relief head (7.1) to enable the pressure relief pull rod (7) to move downwards to reset.
7. The pressure relief vent valve of claim 6 wherein: the other end of the pressure relief pull rod (7) is provided with a pressure relief handle (11), and the pressure relief handle (11) is positioned on the top side of the pressure relief cavity (1.4).
8. The pressure relief vent valve of claim 7 wherein: interior tooth base (13) are installed to the bottom of valve body (1), are provided with in interior tooth base (13) filter screen (14), and filter screen (14) are located the below of air inlet (1.1), and communicate with air inlet (1.1), and movable nut (15) are installed to the bottom of interior tooth base (13), are provided with movable nut steel loop (16) between movable nut (15) and interior tooth base (13), are equipped with on movable nut (15) and cooperate the internal thread (15.1) of being connected with the container.
9. The pressure relief vent valve of claim 7 wherein: outer tooth base (21) are installed to the bottom of valve body (1), are provided with in outer tooth base (21) filter screen (14), and filter screen (14) are located the below of air inlet (1.1), and communicate with air inlet (1.1), and the bottom of outer tooth base (21) is equipped with external screw thread (21.1) of being connected with the container cooperation.
10. The pressure relief vent valve of any of claims 3-9 wherein: the float bowl (3) is made by stainless steel material, and valve body (1) is made by the copper product, and first water-stop cover (6) is made by rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121268894.4U CN215172341U (en) | 2021-06-07 | 2021-06-07 | Pressure relief exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121268894.4U CN215172341U (en) | 2021-06-07 | 2021-06-07 | Pressure relief exhaust valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215172341U true CN215172341U (en) | 2021-12-14 |
Family
ID=79391328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121268894.4U Active CN215172341U (en) | 2021-06-07 | 2021-06-07 | Pressure relief exhaust valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215172341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776851A (en) * | 2022-04-17 | 2022-07-22 | 西安航空学院 | Self-closed pressure release valve for liquid storage system |
-
2021
- 2021-06-07 CN CN202121268894.4U patent/CN215172341U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776851A (en) * | 2022-04-17 | 2022-07-22 | 西安航空学院 | Self-closed pressure release valve for liquid storage system |
| CN114776851B (en) * | 2022-04-17 | 2023-04-07 | 西安航空学院 | Self-closed pressure release valve for liquid storage system |
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