CN107883026B - Two-way leak-proof water valve - Google Patents
Two-way leak-proof water valve Download PDFInfo
- Publication number
- CN107883026B CN107883026B CN201810012743.9A CN201810012743A CN107883026B CN 107883026 B CN107883026 B CN 107883026B CN 201810012743 A CN201810012743 A CN 201810012743A CN 107883026 B CN107883026 B CN 107883026B
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- China
- Prior art keywords
- water
- water supply
- supply side
- side cavity
- valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
Abstract
The two-way leak-proof water valve comprises a valve body, wherein the valve body comprises a water supply side cavity and a water return side cavity; one end of the water supply side cavity is provided with a water supply side water inlet connected with a municipal water supply pipe, and the other end of the water supply side cavity is provided with a water supply side water outlet connected with a household internal heating pipeline; the water supply side cavity is internally provided with a water supply side water inlet and a water supply side water outlet, and the water supply side cavity is internally provided with a water supply side water inlet; one end of the water return side cavity is provided with a water return side water outlet connected with a municipal water return pipe, and the other end of the water return side cavity is provided with a water return side water inlet connected with a household internal heating pipeline; a water stop valve and a one-way valve which only allows circulation from the water return side water inlet to the water return side water outlet are arranged in the water return side cavity; the invention effectively avoids large-area water leakage.
Description
Technical Field
The invention relates to the technical field of pipeline leakage-proof devices, in particular to a bidirectional leakage-proof water valve.
Background
At present, a resident central heating system often has the condition of large water leakage caused by damage of household heating pipelines or equipment, and flood is caused to families even neighbors are affected due to large heating pressure in a few minutes. The leakage-proof technology adopted in the current market is an infrared remote sensing control electronic valve, so that the technology is complex, the cost is high, and misjudgment can occur sometimes; meanwhile, some resident families do not heat, they release hot water to the sewer to increase the flow rate to achieve the effect of increasing heat, and the thermal company needs to continuously add water and heat, which also causes a great waste of water resources and heat, is a very headache problem of the thermal company at present, and has no effective solution at present.
Disclosure of Invention
In order to solve the problems and overcome the defects of the prior art, the invention aims to provide the bidirectional leak-proof water valve which has simple structure, low cost and no erroneous judgment.
In order to achieve the purpose, the bidirectional leak-proof water valve provided by the invention comprises a valve body, wherein the valve body comprises a water supply side cavity and a water return side cavity; one end of the water supply side cavity is provided with a water supply side water inlet connected with a municipal water supply pipe, and the other end of the water supply side cavity is provided with a water supply side water outlet connected with a household internal heating pipeline; one end, close to a water inlet of the water supply side cavity, of the water supply side cavity is provided with a regulating valve for regulating the flow of the water supply side cavity, and one end, close to a water outlet of the water supply side cavity, of the water supply side cavity is provided with a water stop plate which is controlled to be opened and closed by water flow pressure; one end of the backwater side cavity is provided with a backwater side water outlet connected with a municipal backwater pipe, and the other end of the backwater side cavity is provided with a backwater side water inlet connected with a household internal heating pipeline; the water return side cavity is internally provided with a water stop valve and a one-way valve which only allows circulation from the water return side water inlet to the water return side water outlet.
Further, the water stop plate comprises a sealing plate for stopping water flow and a return spring, the sealing plate is of a normally open structure, and the return spring is arranged on one side, close to the water outlet on the water supply side, of the sealing plate.
Further, the regulating valve is a flow valve.
Further, the water stop valve is a ball valve.
Preferably, the water supply side cavity and the water return side cavity are provided with a shared side wall, a channel for communicating the water supply side cavity and the water return side cavity is arranged on the shared side wall, and a normally-closed pressure reducing valve is arranged on the channel.
Further, the passage is provided between the regulating valve and the water stop plate.
Preferably, the water supply side cavity and the water return side cavity are two independent cavities, a communication pipeline is arranged between the water supply side cavity and the water return side cavity, and a normally closed pressure reducing valve is arranged on the communication pipeline.
Further, the joint of the communication pipeline and the water supply side cavity is arranged between the regulating valve and the water stopping plate.
The beneficial effects of the invention are as follows: according to the invention, through the arrangement of the regulating valve and the water stop plate, when water leakage occurs, the flow speed is accelerated, the water flow pushes the sealing plate, and the return spring is compressed, so that the effect of automatically closing the waterway is realized; at the moment, the water pressure of a heating pipeline in a household is reduced due to water leakage, the problem of back-suction of liquid in a municipal water return pipe is avoided by the arrangement of the one-way valve, and large-area water leakage is effectively avoided; the flow valve is arranged, so that the scheme is suitable for environments with different heating water pressures in various areas, the water stop plate reaches the critical of automatic closing by adjusting the flow during normal heating, the sensitivity is improved, and the water leakage is reduced; the water supply side cavity and the backwater side cavity are mutually communicated and are provided with the pressure reducing valve which is normally closed under the condition of normal heating, so that when the municipal water supply pipe is not opened by the abnormal high-pressure water stop plate, partial water can directly flow to the backwater side cavity by opening the pressure reducing valve and then is directly discharged through the municipal backwater pipe, and the purpose of normal heating is achieved by reducing the pressure of the water supply side cavity.
Description of the drawings:
FIG. 1 is a schematic view showing the internal structure of embodiment 1 of the present invention;
FIG. 2 is a schematic view showing the external structure of embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of embodiment 2 of the present invention;
in the accompanying drawings: 1. the valve comprises a valve body, 2, a water supply side water outlet, 3, a water return side water inlet, 4, a water return side water outlet, 5, a water supply side water inlet, 6, a regulating valve, 7, a water stop plate, 8, a one-way valve, 9, a water stop valve, 10 and a pressure reducing valve.
The specific embodiment is as follows:
for the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in more detail below with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the description of indicating the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the drawings 1 and 2, the two-way leak-proof water valve comprises a valve body 1, wherein the valve body 1 comprises a water supply side cavity and a water return side cavity; one end of the water supply side cavity is provided with a water supply side water inlet 5 connected with a municipal water supply pipe, and the other end of the water supply side cavity is provided with a water supply side water outlet 2 connected with a household internal heating pipeline; a flow valve for adjusting the flow of the water supply side cavity is arranged at one end, close to the water supply side water inlet 5, of the water supply side cavity, and a water stop plate 7 which is controlled to be opened and closed by water flow pressure is arranged at one end, close to the water supply side water outlet 2, of the water supply side cavity; the water stop plate 7 comprises a sealing plate for stopping water flow and a return spring, the sealing plate is of a normally open structure, and the return spring is arranged on one side of the sealing plate, which is close to the water outlet 2 on the water supply side; one end of the backwater side cavity is provided with a backwater side water outlet 4 connected with a municipal backwater pipe, and the other end of the backwater side cavity is provided with a backwater side water inlet 3 connected with a household internal heating pipeline; the inside of the backwater side cavity is provided with a ball valve and a one-way valve 8 which only allows circulation from the backwater side water inlet 3 to the backwater side water outlet 4.
Example 1
In fig. 1 and fig. 2, the two-way leakage-proof water valve is provided with a common side wall, wherein the common side wall is provided with a channel for communicating the water supply side cavity with the water return side cavity, and the channel is provided with a normally closed pressure reducing valve 10; the passage is provided between the regulating valve 6 and the water stop plate 7.
Example 2
In fig. 3, the two-way leak-proof water valve is as described above, the water supply side cavity and the water return side cavity are two independent cavities, a communication pipeline is arranged between the water supply side cavity and the water return side cavity, and a normally closed pressure reducing valve 10 is arranged on the communication pipeline; the joint of the communication pipeline and the water supply side cavity is arranged between the regulating valve 6 and the water stopping plate 7.
Specifically, when in use, the water supply side water inlet 5 is connected with a municipal water supply pipe, the water supply side water outlet 2 is connected with a household internal heating pipeline, the water return side water outlet 4 is connected with a municipal water return pipe, and the water return side water inlet 3 is connected with the household internal heating pipeline directly or through a corrugated pipe respectively; then, the flow valve is regulated to enable the flow to reach the critical that the water stop plate 7 is automatically closed during normal heating, so that the heating can be performed normally and the heating is sensitive to unexpected water leakage or unauthorized water discharge reaction; when water leaks, the flow speed is accelerated, the water flow pushes the sealing plate, and the return spring is compressed, so that the effect of automatically closing the waterway is realized; at the moment, the water pressure of a heating pipeline in a household is reduced due to water leakage, the problem of back-suction of liquid in a municipal water return pipe is avoided by the arrangement of the one-way valve 8, and large-area water leakage is effectively avoided; when the water stop plate 7 cannot be opened due to abnormal high pressure of the municipal water supply pipe, part of water directly flows to the backwater side cavity by opening the pressure reducing valve 10 and is directly discharged through the municipal water return pipe, the pressure of the water supply side cavity is reduced, and the auxiliary reset spring pushes the sealing plate to be opened, so that the purpose of normal heating is achieved.
Other than the features described in the specification, are known to those skilled in the art.
Claims (4)
1. The bidirectional leak-proof water valve comprises a valve body (1) and is characterized in that the valve body (1) comprises a water supply side cavity and a water return side cavity; one end of the water supply side cavity is provided with a water supply side water inlet (5) connected with a municipal water supply pipe, and the other end of the water supply side cavity is provided with a water supply side water outlet (2) connected with a household internal heating pipeline; one end, close to a water supply side water inlet (5), of the water supply side cavity is provided with a regulating valve (6) for regulating the flow of the water supply side cavity, and one end, close to a water supply side water outlet (2), of the water supply side cavity is provided with a water stop plate (7) which is controlled to be opened and closed by water flow pressure; one end of the backwater side cavity is provided with a backwater side water outlet (4) connected with a municipal backwater pipe, and the other end of the backwater side cavity is provided with a backwater side water inlet (3) connected with a household internal heating pipeline; a water stop valve (9) and a one-way valve (8) which only allows circulation from the water return side water inlet (3) to the water return side water outlet (4) are arranged in the water return side cavity;
the water stop plate (7) comprises a sealing plate for stopping water flow and a return spring, the sealing plate is of a normally open structure, and the return spring is arranged on one side of the sealing plate, which is close to the water outlet (2) on the water supply side;
the water supply side cavity and the water return side cavity are provided with a shared side wall, a channel for communicating the water supply side cavity and the water return side cavity is arranged on the shared side wall, and a normally closed pressure reducing valve (10) is arranged on the channel; the channel at one side of the water supply side cavity is arranged between the regulating valve (6) and the water stop plate (7); the channel on one side of the cavity on the water return side is arranged between the one-way valve (8) and the water stop valve (9).
2. The two-way leakproof water valve according to claim 1 characterized in that the regulating valve (6) is a flow valve.
3. The two-way leakproof water valve according to claim 1 characterized in that the water stop valve (9) is a ball valve.
4. The bidirectional leak-proof water valve comprises a valve body (1) and is characterized in that the valve body (1) comprises a water supply side cavity and a water return side cavity; one end of the water supply side cavity is provided with a water supply side water inlet (5) connected with a municipal water supply pipe, and the other end of the water supply side cavity is provided with a water supply side water outlet (2) connected with a household internal heating pipeline; one end, close to a water supply side water inlet (5), of the water supply side cavity is provided with a regulating valve (6) for regulating the flow of the water supply side cavity, and one end, close to a water supply side water outlet (2), of the water supply side cavity is provided with a water stop plate (7) which is controlled to be opened and closed by water flow pressure; one end of the backwater side cavity is provided with a backwater side water outlet (4) connected with a municipal backwater pipe, and the other end of the backwater side cavity is provided with a backwater side water inlet (3) connected with a household internal heating pipeline; a water stop valve (9) and a one-way valve (8) which only allows circulation from the water return side water inlet (3) to the water return side water outlet (4) are arranged in the water return side cavity;
the water stop plate (7) comprises a sealing plate for stopping water flow and a return spring, the sealing plate is of a normally open structure, and the return spring is arranged on one side of the sealing plate, which is close to the water outlet (2) on the water supply side;
the water supply side cavity and the water return side cavity are arranged as two independent cavities without shared side walls, a communication pipeline is arranged between the water supply side cavity and the water return side cavity, and a normally closed pressure reducing valve (10) is arranged on the communication pipeline; the joint part of the communication pipeline and the water supply side cavity is arranged between the regulating valve (6) and the water stop plate (7); the communication pipeline is arranged between the one-way valve (8) and the water stop valve (9) at one side of the cavity at the water return side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012743.9A CN107883026B (en) | 2018-01-06 | 2018-01-06 | Two-way leak-proof water valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012743.9A CN107883026B (en) | 2018-01-06 | 2018-01-06 | Two-way leak-proof water valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107883026A CN107883026A (en) | 2018-04-06 |
| CN107883026B true CN107883026B (en) | 2023-09-29 |
Family
ID=61770642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810012743.9A Active CN107883026B (en) | 2018-01-06 | 2018-01-06 | Two-way leak-proof water valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107883026B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022557B (en) * | 2019-12-05 | 2021-07-09 | 杭州富阳和翔模具有限公司 | Spring structure for machine tool |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468570A (en) * | 1973-09-04 | 1977-03-30 | Caterpillar Tractor Co | Valves |
| KR20000011725U (en) * | 1998-12-08 | 2000-07-05 | 방광석 | Hot Water Heating Constant Temperature Valve |
| CN201028084Y (en) * | 2007-01-08 | 2008-02-27 | 闫守儒 | Leakage-proof safety valve |
| CN201083315Y (en) * | 2007-09-25 | 2008-07-09 | 宁波市北仑新港塑料机械有限公司 | Current-limiting valve |
| CN201284859Y (en) * | 2008-10-09 | 2009-08-05 | 厦门建霖工业有限公司 | Water feed current limiting valve |
| KR100998442B1 (en) * | 2010-08-09 | 2010-12-06 | 정재화 | Valve for preventing leakage of fluid |
| CN104989864A (en) * | 2015-06-23 | 2015-10-21 | 湘潭大学 | Non-energy-consumption and self-locking type timing hydraulic valve |
-
2018
- 2018-01-06 CN CN201810012743.9A patent/CN107883026B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468570A (en) * | 1973-09-04 | 1977-03-30 | Caterpillar Tractor Co | Valves |
| KR20000011725U (en) * | 1998-12-08 | 2000-07-05 | 방광석 | Hot Water Heating Constant Temperature Valve |
| CN201028084Y (en) * | 2007-01-08 | 2008-02-27 | 闫守儒 | Leakage-proof safety valve |
| CN201083315Y (en) * | 2007-09-25 | 2008-07-09 | 宁波市北仑新港塑料机械有限公司 | Current-limiting valve |
| CN201284859Y (en) * | 2008-10-09 | 2009-08-05 | 厦门建霖工业有限公司 | Water feed current limiting valve |
| KR100998442B1 (en) * | 2010-08-09 | 2010-12-06 | 정재화 | Valve for preventing leakage of fluid |
| CN104989864A (en) * | 2015-06-23 | 2015-10-21 | 湘潭大学 | Non-energy-consumption and self-locking type timing hydraulic valve |
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| Publication number | Publication date |
|---|---|
| CN107883026A (en) | 2018-04-06 |
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