CN212959980U - Low-pressure large-flow small-pressure-loss valve - Google Patents
Low-pressure large-flow small-pressure-loss valve Download PDFInfo
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- CN212959980U CN212959980U CN202021820544.XU CN202021820544U CN212959980U CN 212959980 U CN212959980 U CN 212959980U CN 202021820544 U CN202021820544 U CN 202021820544U CN 212959980 U CN212959980 U CN 212959980U
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Abstract
The utility model provides a valve of large-traffic little pressure loss of low pressure is equipped with water inlet, delivery port A1, delivery port A2 on the valve body, still be equipped with valve A, drainage channel A, water supply chamber A, play water chamber A, back pressure chamber A in the valve body, the disk seat of water supply chamber A configuration sets up diaphragm A and diaphragm plate A on the disk seat, and diaphragm A board periphery has been opened side flow channel A, and water supply chamber A passes through side flow channel A and back pressure chamber A intercommunication, goes out water chamber A intercommunication delivery port A1, it communicates or closes through disk seat and diaphragm A to go out water chamber A and water supply chamber A, drainage channel A's the end of intaking links to each other with back pressure chamber A, and drainage channel A's the water outlet end links to each other with valve A, communicates with each other with delivery port A2 through valve A, valve A can communicate or close the passageway between drainage channel A and the delivery port A2. When the two valves are opened, water in the back pressure chamber of one valve can flow into the water outlet of the other valve, so that the problem of small flow under low water pressure caused by the fact that the diaphragm cannot be lifted completely can be solved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of sanitary bath equipment product, especially a valve of large-traffic little pressure loss of low pressure.
[ background of the invention ]
The toilet is an indispensable sanitary tool in people's life. The flushing valves of the toilet are arranged in the toilet, and along with the technical progress, the toilet flushing valves are continuously developed from the prior push button type, the prior press rod type and the prior pedal type to the prior induction type. In the prior art, water in a pressure relief pipe of a single-valve electromagnetic valve A flows in from a backpressure chamber of the electromagnetic valve A and finally flows into main water flow of the electromagnetic valve A, as shown in figure 1. In addition, the conventional flush valve has two water outlets, as shown in fig. 2 and 3, the water in the pressure relief pipe of the solenoid valve a flows from the backpressure chamber of the solenoid valve a and finally flows into the main water flow of the solenoid valve a, and the same applies to the solenoid valve B. The back pressure cavity water of each valve in the flushing valve flows into the corresponding water outlet of the flushing valve through the water outlet A2. And water is discharged from a water outlet on one side, and the water in the back pressure cavity flows into the water outlet on the same side through the water outlet A2, so that the diaphragm cannot be completely lifted under low water pressure, and the flow rate is smaller under the low water pressure.
[ Utility model ] content
The utility model aims at solving the problem among the prior art, provide a valve of the large-traffic little pressure loss of low pressure, single valve or two valves are when opening the valve, and the back pressure room water of a valve can flow in another valve delivery port or draw in the atmosphere through corresponding delivery port A2, can avoid lifting up completely because of the diaphragm, and lead to the problem that the flow is littleer under the low water pressure.
In order to achieve the purpose, the utility model provides a valve with low pressure, large flow and small pressure loss, which comprises a valve body, wherein the valve body is provided with a water inlet, a water outlet A1 and a water outlet A2, the valve body is also internally provided with a valve A, a drainage channel A, a water supply chamber A, a water outlet chamber A and a back pressure chamber A, the water supply chamber A is arranged at the water inlet and is provided with a valve seat, the valve seat is provided with a diaphragm A and a diaphragm plate A, the valve body is connected with a valve cover A, the valve cover A is buckled and pressed on a sealing part A at the periphery of the diaphragm A to form the back pressure chamber A, the periphery of the diaphragm A plate is provided with a side flow channel A, the water supply chamber A is communicated with the back pressure chamber A through the side flow channel A, one side of the valve seat, which is back to the diaphragm A, the water outlet chamber A is communicated with the water outlet A1, the water outlet chamber A and, the water inlet end of the drainage channel A is connected with the backpressure chamber A, the water outlet end of the drainage channel A is connected with the valve A and communicated with the water outlet A2 through the valve A, and the valve A can be communicated or closed to a channel between the drainage channel A and the water outlet A2.
Preferably, the valve body further comprises an air inlet and a water sealing moving part A, the air inlet is arranged between the water outlet chamber A and the water outlet A1 of the valve A, the water outlet end of the drainage channel A is communicated with the air inlet through the water outlet A2, the water sealing moving part A is arranged between the air inlet and the water outlet A1, the water sealing moving part A can enable the air inlet to be communicated with the water outlet A1 under the action of gravity and seal the air inlet under the action of water pressure, the water outlet chamber A is communicated with the water outlet A1, and water in the back pressure chamber A of the valve A is discharged to the air inlet through the drainage channel A and the water outlet A2.
The utility model also provides a valve of large-traffic little pressure loss of low pressure, which comprises a valve body, be equipped with water inlet, delivery port A1 and delivery port B1 on the valve body, still be equipped with valve A, drainage channel A, delivery port A2 and diverter valve in the valve body, the end of intaking of diverter valve links to each other with valve A's play water end, valve A's the end of intaking links to each other with the water inlet, two play water ends of diverter valve link to each other with delivery port A1 and delivery port B1 respectively, drainage channel A's the end of intaking links to each other with valve A's back pressure chamber A, and drainage channel A's the end of intaking is linked to each other through delivery port A1 or delivery port B1 that delivery port A2 and low pressure flow required, valve A can communicate or close the passageway between drainage channel A and the delivery port A.
The utility model also provides a valve of low pressure large-traffic little pressure loss, including the valve body, be equipped with water inlet, delivery port A1 and delivery port B1 on the valve body, still be equipped with valve A and valve B, drainage channel A, drainage channel B, delivery port A2, delivery port B2 in the valve body;
the water inlet end of the drainage channel A is connected with a back pressure chamber A of a valve A, the water outlet end of the drainage channel A is communicated with a water outlet B1 or the outside through a water outlet A2, and the valve A can be communicated or closed with a channel between the drainage channel A and the water outlet A2;
the water inlet end of the drainage channel B is connected with a back pressure chamber B of a valve B, the water outlet end of the drainage channel B is communicated with a water outlet A1 or the outside through a water outlet B2, and the valve B can be communicated or closed to a channel between the drainage channel B and a water outlet B2.
Preferably, the water seal device further comprises an air inlet connected with the atmosphere, a water seal movable piece A and a water seal movable piece B, wherein the water outlet end of the drainage channel A is communicated with the air inlet through a water outlet A2, the water outlet end of the drainage channel B is communicated with the air inlet through a water outlet B2, the water seal movable piece A is arranged between the outlet end of the air inlet A and the water outlet A1, the water seal movable piece B is arranged between the outlet end of the air inlet B and the water outlet B1, the water seal movable piece A can be communicated or closed to a channel between the water outlet A1 and the water outlet A2, and the water seal movable piece B can be communicated or closed to a channel between the water outlet B1;
when water in the back pressure chamber A of the valve A flows into the air inlet, the water sealing moving piece A is closed under the action of water pressure, the water sealing moving piece B is opened, and the water flowing into the air inlet flows into the water sealing moving piece B and is discharged from the water outlet B1; conversely, when water in the back pressure chamber B of the valve B flows into the air inlet, the water is discharged from the water outlet a 1.
The utility model has the advantages that: the utility model controls the flow direction of the drainage channel water in a single valve mode, or two single valves, or a single valve and a switching valve mode, so that the drainage channel water directly flows into the outside, or flows mutually or has high requirements on low-pressure flow, and the drainage of the drainage channel A is not directly discharged to a water outlet A1, but is discharged to a water outlet B1, or has low requirements on low-pressure flow; the mode can increase the flow when the valve is opened at low pressure, and avoids the phenomenon that the flow is smaller at low water pressure because the diaphragm cannot be completely lifted.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of a valve body for releasing pressure of a single valve to a water outlet of the single valve in the prior art;
FIG. 2 is a schematic structural view of a double valve releasing pressure to its outlet in the prior art, wherein a is a schematic structural view, and b is a schematic sectional view of FF direction of a;
FIG. 3 is a schematic diagram of the prior art of FIG. 2;
fig. 4 is a schematic view of embodiment 1 of a low pressure, high flow, low pressure loss valve of the present invention;
FIG. 5 is a schematic view of the working principle of embodiment 1;
fig. 6 is a schematic view of embodiment 2 of a low pressure, high flow, low pressure loss valve of the present invention;
FIG. 7 is a schematic view of the working principle of embodiment 2;
fig. 8 is a schematic view of the working principle of embodiment 3 of the low-pressure large-flow small-pressure-loss valve of the present invention;
fig. 9 is a schematic structural diagram of a low-pressure large-flow small-pressure-loss valve in accordance with the present invention in embodiment 4;
FIG. 10 is a top view of FIG. 9;
FIG. 11 is a schematic view in section along AA of FIG. 10;
FIG. 12 is a schematic view of the cross-section of FIG. 9 taken along direction BB;
FIG. 13 is a schematic view in section EE of FIG. 9;
fig. 14 is a schematic view of the working principle of embodiment 4 of the low-pressure large-flow small-pressure-loss valve of the present invention;
fig. 15 is a partial structural schematic diagram of embodiment 4 of the present invention;
FIG. 16 is a schematic view in section along line CC of FIG. 15;
FIG. 17 is a schematic view in section DD of FIG. 16;
fig. 18 is a schematic view of the working principle of embodiment 5 of the low-pressure large-flow small-pressure-loss valve of the present invention;
fig. 19 is a partial structural schematic diagram of embodiment 5 of the present invention;
FIG. 20 is a schematic MM-oriented cross-sectional view of FIG. 13;
fig. 21 is a schematic view of the working principle of embodiment 6 of the low-pressure large-flow small-pressure-loss valve of the present invention;
fig. 22 is a partial schematic structural view of embodiment 6 of the present invention;
fig. 23 is a schematic NN cross-sectional view of fig. 22.
[ detailed description ] embodiments
Example 1
Referring to fig. 4 and 5, the utility model relates to a large-traffic little pressure loss valve of low pressure, including the valve body, be equipped with water inlet 101, delivery port A1102, delivery port A2501 on the valve body, still be equipped with valve A30, drainage channel A50, water supply chamber A12, play water chamber A13, back pressure chamber A14 in the valve body, water supply chamber A12 sets up at water inlet 101 and disposes a disk seat 15, set up diaphragm A and diaphragm plate A on the disk seat 15, even have valve gap A on the valve body, valve gap A withholds in the peripheral sealing A of diaphragm A and forms back pressure chamber A14, and the peripheral side flow channel A that has opened of diaphragm A board, water supply chamber A12 communicates with back pressure chamber A14 through side flow channel A, and one side that disk seat 15 dorsad diaphragm A is equipped with play water chamber A13, play water chamber A13 communicates delivery port A1102, go out water chamber A13 and water supply chamber A12 through disk seat 15 and diaphragm A intercommunication or close, valve A30 sets up in 101, between delivery port A2501, the end of intaking of drainage channel A50 links to each other with back pressure chamber A14, and the play water end of drainage channel A50 links to each other with valve A30, communicates with each other with delivery port A2501 through valve A30, the passageway between drainage channel A50 and delivery port A2501 can communicate or close by valve A30. In this embodiment, a single valve structure is used, and water in the back pressure chamber is discharged to the air through the water outlet a 2.
Example 2
Referring to fig. 6 and 7, based on embodiment 1, the valve body further includes an air inlet connected to the atmosphere and a water sealing movable element a80, the air inlet is disposed between the water outlet chamber a13 and the water outlet a 1102 of the valve a30, the water outlet end of the drainage channel a50 is communicated with the air inlet through the water outlet a 2501, the water sealing movable element a80 is disposed between the air inlet and the water outlet a 1102, the water sealing movable element a80 can communicate the air inlet with the water outlet a 1102 under the action of gravity, and seal the air inlet under the action of water pressure to communicate the water outlet chamber a13 with the water outlet a 1102, and water in the back pressure chamber a14 of the valve a30 leaks to the air inlet through the drainage channel a50 and the water outlet a 2501. In this embodiment, a single valve arrangement is used, and water in the back pressure chamber is vented through outlet a2 to the atmosphere, which may be vented to a vacuum breaker.
Example 3
Referring to fig. 8, the valve body is provided with a water inlet 101, a water outlet a 1102 and a water outlet B1103, the valve body is further provided with a valve a30, a drainage channel a50, a water outlet a 2501 and a switching valve 11, a water inlet end of the switching valve 11 is connected with a water outlet end of the valve a30, a water inlet end of the valve a30 is connected with the water inlet 101, two water outlet ends of the switching valve 11 are respectively connected with the water outlet a 1102 and the water outlet B1103, a water inlet end of the drainage channel a50 is connected with a back pressure chamber a14 of the valve a30, a water outlet end of the drainage channel a50 is connected with the water outlet a 1102 or the water outlet B1103 which has low requirement for low-pressure flow through the water outlet a 2501, the valve a30 can communicate or close a channel between the drainage channel a50 and the water outlet a 2501, a second valve seat is provided at an inlet of the water outlet a 2501, and a second blocking piece. In this embodiment, a structure of a single valve and a switching valve is adopted, and water in the back pressure chamber is decompressed to the side with low requirement on low pressure flow, so that when water is discharged from the side A, the flow is large.
Example 4
Referring to fig. 9 to 13, the present invention relates to a low-pressure large-flow valve with small pressure loss, which comprises a valve body, wherein a water inlet 101, a water outlet a 1102 and a water outlet B1103 are arranged on the valve body, a water inlet chamber 1011 and a water outlet chamber B1012 are arranged on the water inlet 101, a first valve seat 1013 is arranged between the water inlet chamber 1011 and the water outlet chamber B1012, a diaphragm B104 is installed on the first valve seat 1013 in a matching manner, a diaphragm B105 is embedded on the diaphragm B104, a back pressure chamber 106 is arranged on one side of the diaphragm B104, which faces away from the first valve seat 1013, the valve body is further provided with a first control valve 20, the first control valve 20 is provided with a first plugging member, inlets of the water outlet a 1102 and the water outlet B1103 are respectively provided with a valve seat a1021 and a valve seat B1031, a switching chamber 107 is arranged between the valve seat a1021 and the valve seat B1031, the switching chamber 107 is communicated with the water outlet chamber B1012, the first plugging member is arranged in the switching, the valve body is also internally provided with a valve A30, a valve B40, a drainage channel A50, a drainage channel B60, a water outlet A2501 and a water outlet B2601;
referring to fig. 14-17, the water inlet end of the drainage channel a50 is connected to the back pressure chamber a14 of the valve a30, the water outlet end of the drainage channel a50 is communicated with the water outlet B1103 through the water outlet a 2501, the valve a30 can communicate or close the channel between the drainage channel a50 and the water outlet a 2501, the inlet of the water outlet a 2501 is provided with a second valve seat, and the valve a30 is provided with a second blocking piece for blocking the second valve seat;
the water inlet end of the drainage channel B60 is connected with a back pressure chamber B of a valve B40, the water outlet end of the drainage channel B60 is communicated with a water outlet A1102 through a water outlet B2601, the valve B40 can be communicated or closed to a channel between the drainage channel B60 and the water outlet B2601, a third valve seat is arranged at the inlet of the water outlet B2601, and a third blocking piece used for blocking the third valve seat is arranged on the valve B40.
Further, the valve B40 further includes a coil assembly a401, the third blocking piece includes a movable plunger 402 and a cap 403, one end of the movable plunger 402 is provided with the cap 403 for blocking the third valve seat, the other end of the movable plunger 402 is connected with the coil assembly a401 through a spring, and the valve a30 and the valve B40 have the same structure.
Further, the first control valve 20 further includes a coil assembly B201, the first blocking member includes a moving valve element 202 and a magnet 204, one end of the moving valve element 202 has a blocking plate, the other end of the moving valve element is inserted into the coil assembly B201, the blocking plate is disposed between the valve seat a1021 and the valve seat B1031, a hollow inner cavity is disposed inside the moving valve element 202, one end of the hollow inner cavity facing the coil assembly B201 is provided with the magnet 204, when the coil assembly B201 is positively charged, the moving valve element 202 moves toward the side of the valve seat B1031, and when the coil assembly B201 is negatively charged, the moving valve element 202 moves toward the side of the valve seat a 1021.
Further, a first sealing element 203 is sleeved outside the blocking plate, when the coil assembly B201 is positively charged, the first sealing element 203 abuts against a valve seat B1031 to block the valve seat B1031, so that the water outlet A1102 is communicated with a water outlet chamber B1012; when the coil assembly B201 is negatively charged, the first sealing member 203 abuts against the valve seat a1021 to seal the valve seat a1021, so that the water outlet B1103 is communicated with the water outlet chamber B1012.
The working principle of example 4 is as follows:
waterway work from a water inlet to a water outlet A: when the electromagnetic valve A is opened, the coil assembly B201 is electrified to be positively charged, the moving valve core 202 is attracted, the valve seat B1031 is sealed, and water enters the water inlet 101. The coil assembly A401 is electrified, the movable iron core 402 is attracted, the cap 403 is separated from abutting against the third valve seat, the drainage channel A and the water outlet A2 are conducted, then water in the backpressure chamber of the valve A30 is discharged to the water outlet B1, the pressure of the backpressure chamber is reduced, the water pressure in the water inlet chamber 1011 jacks the diaphragm B104 and the diaphragm plate B105, the water flows into the water outlet chamber B1012 and then flows out of the first control valve 20, flows through the valve seat A1021, and finally flows out of the water outlet A1.
B, waterway work from the water inlet to the water outlet: when the electromagnetic valve B is opened, the coil B is electrified with negative electricity, the moving valve core 202 is repelled, the valve seat A1021 is sealed, and water enters the water inlet 101. The valve B40 is electrified, the third valve seat is opened, the drainage channel B and the water outlet B2 are communicated, then the water in the back pressure chamber of the valve B40 is discharged to the water outlet A1, the pressure of the back pressure chamber is reduced, the water pressure in the water inlet chamber 1011 jacks the diaphragm B104 and the diaphragm plate B105, the water flows into the water outlet chamber B1012, flows out to the first control valve 20, flows through the valve seat B1031 and finally flows out from the water outlet B1.
Example 5
Referring to fig. 18 to 20, on the basis of embodiment 4, the water outlet end of the drainage channel a50 is communicated with the outside through a water outlet a 2501, and the water outlet end of the drainage channel B60 is communicated with the outside through a water outlet B2601.
The working principle of example 5 is as follows:
on the basis of embodiment 1, the drainage ends of the drainage channel A and the drainage channel B are communicated with the outside, and the water in the backpressure chamber of the valve A30 and the backpressure chamber of the valve B40 are respectively drained to the air.
Example 6
Referring to fig. 21 to 23, based on implementation 4, the water seal device further includes an air inlet connected to atmosphere, a water seal movable piece a80, and a water seal movable piece B90, wherein a water outlet end of the drainage channel a50 is communicated with the air inlet through a water outlet a 2501, a water outlet end of the drainage channel B60 is communicated with the air inlet through a water outlet B2601, a water seal movable piece a80 is disposed between an outlet end of the air inlet a and a water outlet a 1102, a water seal movable piece B90 is disposed between an outlet end of the air inlet B and a water outlet B1103, the water seal movable piece a80 can communicate with or close a channel between the water outlet a 1102 and the water outlet a 2501, and the water seal movable piece B90 can communicate with or close a channel between the water outlet B1103 and the;
when water in a back pressure chamber A14 of the valve A30 flows into the air inlet, the water sealing movable piece A80 is closed under the action of water pressure, the water sealing movable piece B90 is opened, and the water flowing into the air inlet flows into the water sealing movable piece B90 and is discharged from the water outlet B1103; conversely, when water in the back pressure chamber B of the valve B40 flows into the inlet port, water is discharged from the outlet port a 1102.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (5)
1. The utility model provides a valve of large-traffic little pressure loss of low pressure, includes the valve body, be equipped with water inlet (101), delivery port A1(102), delivery port A2(501) on the valve body, its characterized in that: the water supply valve is characterized in that a valve A (30), a drainage channel A (50), a water supply chamber A (12), a water outlet chamber A (13) and a back pressure chamber A (14) are further arranged in the valve body, the water supply chamber A (12) is arranged at the water inlet (101) and is provided with a valve seat (15), a diaphragm A and a diaphragm plate A are arranged on the valve seat (15), the valve body is connected with a valve cover A, the valve cover A is buckled and pressed on a sealing part A on the periphery of the diaphragm A to form the back pressure chamber A (14), a side flow channel A is formed on the periphery of the diaphragm A, the water supply chamber A (12) is communicated with the back pressure chamber A (14) through the side flow channel A, a water outlet chamber A (13) is arranged on one side, opposite to the diaphragm A, of the valve seat (15), the water outlet chamber A (13) is communicated with the water outlet A1(102), the water outlet chamber A (13) and the water supply chamber A (12), Between delivery port A2(501), the inlet end of drainage channel A (50) links to each other with backpressure chamber A (14), and the play water end of drainage channel A (50) links to each other with valve A (30), communicates with each other with delivery port A2(501) through valve A (30), the passageway between drainage channel A (50) and delivery port A2(501) can be linked to each other or closed to valve A (30).
2. A low pressure high flow low pressure loss valve as claimed in claim 1 wherein: the valve body still includes air inlet and the water seal moving part A (80) of connecting atmosphere, the air inlet sets up between the play hydroecium A (13) and delivery port A1(102) of valve A (30), the play water end of drainage channel A (50) is linked together through delivery port A2(501) and air inlet, be equipped with the water seal moving part A (80) between air inlet and delivery port A1(102), water seal moving part A (80) can make air inlet and delivery port A1(102) communicate under the action of gravity to seal the air inlet under the water pressure effect, make play hydroecium A (13) and delivery port A1(102) intercommunication, the water of the back pressure chamber A (14) of valve A (30) lets out the air inlet through drainage channel A (50), delivery port A2 (501).
3. The utility model provides a valve of large-traffic little pressure loss of low pressure, includes the valve body, be equipped with water inlet (101), delivery port A1(102) and delivery port B1(103) on the valve body, its characterized in that: the valve body is also internally provided with a valve A (30), a drainage channel A (50), a water outlet A2(501) and a switching valve (11), the water inlet end of the switching valve (11) is connected with the water outlet end of the valve A (30), the water inlet end of the valve A (30) is connected with a water inlet (101), two water outlet ends of the switching valve (11) are respectively connected with a water outlet A1(102) and a water outlet B1(103), the water inlet end of the drainage channel A (50) is connected with a back pressure chamber A (14) of the valve A (30), the water outlet end of the drainage channel A (50) is communicated with a water outlet A1(102) or a water outlet B1(103) which have low requirement on low-pressure flow rate through the water outlet A2(501), and the valve A (30) can be communicated or closed with a channel between the drainage channel A (50) and the water outlet A2 (501).
4. The utility model provides a valve of large-traffic little pressure loss of low pressure, includes the valve body, be equipped with water inlet (101), delivery port A1(102) and delivery port B1(103) on the valve body, its characterized in that: the valve body is also internally provided with a valve A (30), a valve B (40), a drainage channel A (50), a drainage channel B (60), a water outlet A2(501) and a water outlet B2 (601);
the water inlet end of the drainage channel A (50) is connected with a backpressure chamber A (14) of a valve A (30), the water outlet end of the drainage channel A (50) is communicated with a water outlet B1(103) or the outside through a water outlet A2(501), and the valve A (30) can be communicated or closed with a channel between the drainage channel A (50) and the water outlet A2 (501);
the water inlet end of the drainage channel B (60) is connected with the back pressure chamber B of the valve B (40), the water outlet end of the drainage channel B (60) is communicated with the water outlet A1(102) or the outside through the water outlet B2(601), and the valve B (40) can be communicated or closed with the channel between the drainage channel B (60) and the water outlet B2 (601).
5. A low pressure high flow low pressure loss valve as claimed in claim 4 wherein: the water seal device is characterized by further comprising an air inlet connected with the atmosphere, a water seal moving piece A (80) and a water seal moving piece B (90), wherein the water outlet end of the drainage channel A (50) is communicated with the air inlet through a water outlet A2(501), the water outlet end of the drainage channel B (60) is communicated with the air inlet through a water outlet B2(601), the water seal moving piece A (80) is arranged between the outlet end of the air inlet A and the water outlet A1(102), the water seal moving piece B (90) is arranged between the outlet end of the air inlet B and the water outlet B1(103), the water seal moving piece A (80) can be communicated with or close a channel between the water outlet A1(102) and the water outlet A2(501), and the water seal moving piece B (90) can be communicated with or close a channel between the water outlet B1(103) and the;
when water in a back pressure chamber A (14) of the valve A (30) flows into the air inlet, the water sealing movable piece A (80) is closed under the action of water pressure, the water sealing movable piece B (90) is opened, and the water flowing into the air inlet flows into the water sealing movable piece B (90) and is discharged from the water outlet B1 (103); conversely, when water in the back pressure chamber B of the valve B (40) flows into the inlet port, water is discharged from the water outlet port a1 (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021820544.XU CN212959980U (en) | 2020-08-27 | 2020-08-27 | Low-pressure large-flow small-pressure-loss valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021820544.XU CN212959980U (en) | 2020-08-27 | 2020-08-27 | Low-pressure large-flow small-pressure-loss valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959980U true CN212959980U (en) | 2021-04-13 |
Family
ID=75360830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021820544.XU Active CN212959980U (en) | 2020-08-27 | 2020-08-27 | Low-pressure large-flow small-pressure-loss valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212959980U (en) |
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2020
- 2020-08-27 CN CN202021820544.XU patent/CN212959980U/en active Active
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