CN215059518U - Quantitative zero pressure valve - Google Patents
Quantitative zero pressure valve Download PDFInfo
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- CN215059518U CN215059518U CN202121771685.1U CN202121771685U CN215059518U CN 215059518 U CN215059518 U CN 215059518U CN 202121771685 U CN202121771685 U CN 202121771685U CN 215059518 U CN215059518 U CN 215059518U
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- valve body
- level sensor
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- lever
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Abstract
The utility model discloses a quantitative zero pressure valve, which comprises a valve body, wherein a float type liquid level sensor is arranged in the valve body, the top of the valve body is provided with an air inlet, a sealing cover plate is fixed in the valve body, the sealing cover plate is provided with a through hole which is communicated up and down, a lever is arranged in the valve body, one end of the lever is rotatably connected with the inner wall of the valve body through a rotating shaft, the other end of the lever is connected with the float type liquid level sensor, and a sealing nozzle is fixed on the lever; a diaphragm sheet pressed on the top of the float type liquid level sensor is fixed in the valve body, and a damping spring extending up and down is installed at the bottom of the float type liquid level sensor. The utility model eliminates the use of numerous plastic parts such as the water tank, the floating ball and the like of the traditional pipeline machine, and can save a great deal of material cost for enterprises and countries; the use of a large part of rubber tubes can be reduced, and peculiar smell can be obviously reduced; the water leakage is avoided, the problem that the water flow is not stopped as soon as the pipeline machine is inclined slightly is solved, and the loss caused by home decoration is avoided; can be adapted to various RO reverse osmosis machine types; can prevent the water from contacting with the air for a long time to generate pollution.
Description
Technical Field
The utility model relates to a water level control valve specifically says so a ration zero pressure valve.
Background
The zero pressure valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, regulating and controlling parameters of a conveying medium. In wading industry, the internal structure of the traditional pipeline machine has the following defects:
1. a plurality of plastic parts such as a water tank, a floating ball and the like are required, so that the material cost is high;
2. the defect that the floating ball is subjected to congenital air leakage, water inflow and sinking is not solved all the time;
3. a large number of rubber tubes used inside have obvious peculiar smell at high temperature, and have certain influence on the body;
4. the pipeline machine cannot be inclined, and water flow can be stopped at a point of micro-super-inclination, so that great loss can be caused to home decoration;
5. the traditional structure can only be matched with an RO reverse osmosis machine type, and both an ultrafilter with high water pressure and a commercial machine cannot be used;
6. the traditional structure is a non-pressure open structure, and dust and bacteria in the air can be contacted, so that pollution caused by contact of the air and water exists.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, the present invention is directed to: a quantitative zero pressure valve is provided.
The technical solution of the utility model is that: the quantitative zero-pressure valve comprises a valve body, wherein a float type liquid level sensor is installed in the valve body, the top of the valve body is provided with an air inlet, the bottom of the valve body is provided with a water inlet, and one side of the upper end of the valve body is provided with a water outlet;
a sealing cover plate is fixed in the valve body and is communicated with the water outlet and the inner cavity of the valve body, and the sealing cover plate is provided with a through hole which is communicated up and down;
a lever positioned below the sealing cover plate is arranged in the valve body, one end of the lever is rotatably connected with the inner wall of the valve body through a rotating shaft, the other end of the lever is connected with a float type liquid level sensor, a sealing nozzle is fixed on the lever, and when the float type liquid level sensor floats upwards, the float type liquid level sensor drives the lever to rotate and enables the sealing nozzle to block the through hole;
a diaphragm pressed on the top of the float-type liquid level sensor is fixed in the valve body, the top of the diaphragm is tightly contacted with the inner wall of the valve body, and the diaphragm is communicated with the air inlet;
and a damping spring extending up and down is arranged between the bottom of the float-type liquid level sensor and the inner wall of the lower end of the valve body.
Furthermore, the float-type liquid level sensor comprises an upper float cover and a lower float cover, wherein a convex plate protruding outwards is arranged on the outer wall of the lower float cover, and the other end of the lever presses the top of the convex plate.
Furthermore, the top of the end of the lever, which is far away from the float-type liquid level sensor, is recessed downwards to form an annular groove, a convex column is arranged in the groove, the lower end of the sealing nozzle is provided with an insertion groove, the convex column is inserted into the insertion groove, and the upper end of the sealing nozzle is exposed out of the lever.
Further, the lower end of the sealing cover plate is provided with a boss, and the through hole is formed in the boss.
Further, the sealing nozzle is located below the boss, and when the sealing nozzle blocks the through hole, the top surface of the sealing nozzle is attached to the bottom surface of the boss.
Furthermore, a water outlet channel communicated with the water outlet is formed in the valve body, the through hole is communicated with the water outlet channel and the inner cavity of the valve body, a sealing gasket framework and a sealing gasket fixed on the sealing gasket framework are installed at the opening at the lower end of the water outlet channel, the sealing cover plate is located below the sealing gasket framework, and an anti-blocking spring extending up and down is installed between the sealing cover plate and the sealing gasket framework.
Furthermore, the outside cover of diaphragm has the retainer plate.
Furthermore, a fixing column extending up and down is arranged in the lower end of the valve body, the float type liquid level sensor is sleeved on the fixing column and is in up-and-down sliding fit with the fixing column, and the damping spring is sleeved outside the fixing column.
Use the utility model provides a quantitative zero pressure valve, its beneficial effect is:
1. the utility model eliminates the use of numerous plastic parts such as the water tank, the floating ball and the like of the traditional pipeline machine, and can save a great deal of material cost for enterprises and countries;
2. the utility model can reduce the use of a larger part of rubber tubes and obviously reduce peculiar smell;
3. the utility model has no water leakage, solves the problem that the water flow is not stopped when the pipeline machine is slightly inclined, and avoids the loss of home decoration;
4. the utility model can be adapted to various RO reverse osmosis machine types;
5. the utility model discloses can avoid water and air to contact for a long time and produce the pollution.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a first embodiment of the present invention;
fig. 3 is a schematic structural view of a sealing cover plate according to a first embodiment of the present invention;
fig. 4 is an installation schematic view of the sealing nozzle and the lever according to the first embodiment of the present invention.
Shown in the figure: 1-valve body, 1.1-air inlet, 1.2-water inlet, 1.3-water outlet, 1.4-water outlet channel, 1.5-fixed column, 2-float type liquid level sensor, 21-upper float cover, 22-lower float cover, 221-convex plate, 3-sealing cover plate, 31-convex plate, 311-through hole, 4-lever, 41-groove, 42-convex column, 5-rotating shaft, 6-sealing nozzle, 61-slot, 7-diaphragm sheet, 8-damping spring, 9-sealing gasket framework, 10-sealing gasket, 11-anti-blocking spring, 12-fixed ring.
Detailed Description
For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting characteristic description is now performed by combining the drawings of the present invention:
the first embodiment is as follows: as shown in fig. 1-4, the quantitative zero-pressure valve comprises a valve body 1, a float-type liquid level sensor 2 is installed in the valve body 1, an air inlet 1.1 is formed in the top of the valve body 1, a water inlet 1.2 is formed in the bottom of the valve body 1, and a water outlet 1.3 is formed in one side of the upper end of the valve body 1;
a sealing cover plate 3 is fixed in the valve body 1, the sealing cover plate 3 is communicated with the water outlet 1.3 and the inner cavity of the valve body 1, the lower end of the sealing cover plate 3 is provided with a boss 31, and the boss 31 is provided with a through hole 311 which is vertically communicated;
install a lever 4 that is located sealed apron 3 below in the valve body 1, lever 4's one end is through a pivot 5 and valve body 1 inner wall rotatable coupling, and float-type level sensor 2 is connected to the other end, is fixed with a sealed mouth 6 on the lever 4, and when float-type level sensor 2 come-up, float-type level sensor 2 drove lever 4 and rotates to make sealed mouth 6 block up through-hole 311.
As shown in figure 2, a damping spring 8 which extends up and down is arranged between the bottom of the float type liquid level sensor 2 and the inner wall of the lower end of the valve body 1. A fixing column 1.5 extending up and down is arranged in the lower end of the valve body 1, the float type liquid level sensor 2 is sleeved on the fixing column 1.5 and is in up-and-down sliding fit with the fixing column 1.5, and the damping spring 8 is sleeved outside the fixing column 1.5. When the raw water pressure is overlarge, the damping spring 8 can play a damping role on the float type liquid level sensor 2; when the float type liquid level sensor 2 has small buoyancy, the damping spring 8 can effectively improve the ascending force of the float, and the float type liquid level sensor 2 is always in a good state.
The float-type liquid level sensor 2 comprises an upper float cover 21 and a lower float cover 22, wherein a convex plate 221 protruding outwards is arranged on the outer wall of the lower float cover 22, and the other end of the lever 4 presses the top of the convex plate 221. When the float-type liquid level sensor 2 floats upwards, the convex plate 221 drives the lever 4 to rotate. The lever 4 rotates to drive the sealing nozzle 6 to block the through hole 311 of the sealing cover plate 3.
As shown in fig. 2 and 4, in order to facilitate the detachment and installation of the sealing nozzle 6, a top portion of an end of the lever 4 away from the float-type level sensor 2 is recessed downward to form a groove 41 in an annular shape, and a boss 42 is provided in the groove 41, a lower end of the sealing nozzle 6 is provided with a slot 61, the boss 42 is inserted into the slot 61, and an upper end of the sealing nozzle 6 is exposed outside the lever 4.
The sealing nozzle 6 is located below the boss 31, and when the sealing nozzle 6 blocks the through hole 311, the top surface of the sealing nozzle 6 is attached to the bottom surface of the boss 31. The sealing nozzle 6 is made of soft material and can be tightly attached to the bottom surface of the boss 31.
The valve body 1 is internally provided with a water outlet channel 1.4 communicated with a water outlet 1.3, a through hole 311 is communicated with the water outlet channel 1.4 and the inner cavity of the valve body 1, the lower end opening of the water outlet channel 1.4 is provided with a sealing gasket framework 9 and a sealing gasket 10 fixed on the sealing gasket framework 9, the sealing cover plate 3 is positioned below the sealing gasket framework 9, and an anti-blocking spring 11 extending up and down is arranged between the sealing cover plate 3 and the sealing gasket framework 9. When the sealing nozzle 6 blocks the through hole 311, the water outlet passage 1.4 is blocked.
A diaphragm 7 pressed on the top of the float type liquid level sensor 2 is fixed in the valve body 1, the top of the diaphragm 7 is in close contact with the inner wall of the valve body 1, and the diaphragm 7 is communicated with the air inlet 1.1. The outer side of the diaphragm 7 is sleeved with a fixed ring 12, and the periphery of the diaphragm 7 is welded in the upper end of the valve body 1 through ultrasonic waves. The diaphragm 7 can isolate water from air, and the quantitative zero-pressure valve is inclined and does not leak water; when the float-type liquid level sensor 2 operates, the diaphragm 7 does not form a vacuum.
When the float type liquid level sensor 2 goes down, the sealing nozzle 6 automatically loosens under the water pressure balance state, the sealing gasket 10 is automatically opened under the non-pressure state, and water slowly passes through the water outlet channel 1.4 under the non-pressure state.
The utility model eliminates the use of numerous plastic parts such as the water tank, the floating ball and the like of the traditional pipeline machine, and can save a great deal of material cost for enterprises and countries;
the utility model can reduce the use of a larger part of rubber tubes and obviously reduce peculiar smell;
the utility model has no water leakage, solves the problem that the water flow is not stopped when the pipeline machine is slightly inclined, and avoids the loss of home decoration;
the utility model can be adapted to various RO reverse osmosis machine types;
the utility model discloses can avoid water and air to contact for a long time and produce the pollution.
Example two: the difference between the second embodiment and the first embodiment is that the connection mode of the float type liquid level sensor 2 and the lever 4 is different, an electromagnet is arranged in a central hole of the float type liquid level sensor 2 of the second embodiment, the electromagnet is connected with an electric control plate, the electromagnet is connected with the lever 4, and the stroke of the lever 4 is controlled through the working principle of the electromagnet.
It is to be understood that the foregoing is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, which is defined by the following claims and drawings.
Claims (8)
1. Quantitative zero pressure valve, including the valve body, install float-type level sensor in the valve body, the valve body top has the air inlet, and the valve body bottom has the water inlet, and valve body upper end one side has delivery port, its characterized in that:
a sealing cover plate is fixed in the valve body and is communicated with the water outlet and the inner cavity of the valve body, and the sealing cover plate is provided with a through hole which is communicated up and down;
a lever positioned below the sealing cover plate is arranged in the valve body, one end of the lever is rotatably connected with the inner wall of the valve body through a rotating shaft, the other end of the lever is connected with a float type liquid level sensor, a sealing nozzle is fixed on the lever, and when the float type liquid level sensor floats upwards, the float type liquid level sensor drives the lever to rotate and enables the sealing nozzle to block the through hole;
a diaphragm pressed on the top of the float-type liquid level sensor is fixed in the valve body, the top of the diaphragm is tightly contacted with the inner wall of the valve body, and the diaphragm is communicated with the air inlet;
and a damping spring extending up and down is arranged between the bottom of the float-type liquid level sensor and the inner wall of the lower end of the valve body.
2. A metered dose zero pressure valve as claimed in claim 1, wherein: the float-type liquid level sensor comprises an upper float cover and a lower float cover, wherein a convex plate protruding outwards is arranged on the outer wall of the lower float cover, and the other end of the lever presses the top of the convex plate.
3. A metered dose zero pressure valve as claimed in claim 1, wherein: the top of the end of the lever, which is far away from the float-type liquid level sensor, is sunken downwards to form an annular groove, a convex column is arranged in the groove, the lower end of the sealing nozzle is provided with an inserting groove, the convex column is inserted into the inserting groove, and the upper end of the sealing nozzle is exposed outside the lever.
4. A metered dose zero pressure valve as claimed in claim 3, wherein: the lower end of the sealing cover plate is provided with a boss, and the through hole is arranged on the boss.
5. A metered dose zero pressure valve as claimed in claim 4, wherein: the sealing nozzle is located below the boss, and when the sealing nozzle blocks the through hole, the top surface of the sealing nozzle is attached to the bottom surface of the boss.
6. A metered dose zero pressure valve as claimed in claim 1, wherein: the valve body is internally provided with a water outlet channel communicated with a water outlet, the through hole is communicated with the water outlet channel and the inner cavity of the valve body, the lower end opening of the water outlet channel is provided with a sealing gasket framework and a sealing gasket fixed on the sealing gasket framework, the sealing cover plate is positioned below the sealing gasket framework, and an anti-blocking spring extending up and down is arranged between the sealing cover plate and the sealing gasket framework.
7. A metered dose zero pressure valve as claimed in claim 1, wherein: and a fixing ring is sleeved on the outer side of the diaphragm.
8. A metered dose zero pressure valve as claimed in claim 1, wherein: the lower end of the valve body is internally provided with a fixing column which extends up and down, the float type liquid level sensor is sleeved on the fixing column and is in up-and-down sliding fit with the fixing column, and the damping spring is sleeved outside the fixing column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121771685.1U CN215059518U (en) | 2021-07-30 | 2021-07-30 | Quantitative zero pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121771685.1U CN215059518U (en) | 2021-07-30 | 2021-07-30 | Quantitative zero pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215059518U true CN215059518U (en) | 2021-12-07 |
Family
ID=79220272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121771685.1U Active CN215059518U (en) | 2021-07-30 | 2021-07-30 | Quantitative zero pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215059518U (en) |
-
2021
- 2021-07-30 CN CN202121771685.1U patent/CN215059518U/en active Active
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