CN109737312B - Micro-leakage device - Google Patents
Micro-leakage device Download PDFInfo
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- CN109737312B CN109737312B CN201910135395.9A CN201910135395A CN109737312B CN 109737312 B CN109737312 B CN 109737312B CN 201910135395 A CN201910135395 A CN 201910135395A CN 109737312 B CN109737312 B CN 109737312B
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Abstract
The invention discloses a micro-leakage device, which relates to the technical field of valves and adopts the technical scheme that: the water storage device comprises a valve body with a control cavity, wherein an impeller is rotationally connected in the control cavity, a water passing hole is formed in the valve body, a water inlet and a water outlet are respectively formed in two ends of the water passing hole, a one-way valve is arranged in the valve body, a water storage tank with an opening is arranged on the valve body, and an elastic diaphragm for blocking the opening is arranged in the water storage tank; the valve body is provided with a through hole, one end of the through hole is communicated with the opening, and the other end of the through hole is communicated with the water passing hole and is positioned at one side of the one-way valve facing the water inlet; the valve body is also provided with a flow passage, one end of the flow passage is communicated to the inner cavity of the water storage tank, and the other end of the flow passage is communicated to the water passing hole and is positioned on one side of the one-way valve away from the water inlet. Because the aperture of the flow channel and the aperture of the water passing hole are larger, the blockage is not easy to occur, that is, the micro-leakage device can continuously and accurately detect the micro-leakage condition.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a micro-leakage device.
Background
In life, water pipe leakage often occurs due to aging of the water pipe or loosening of the pipe joint, and the leakage is not easy to find due to the fact that the water pipe is buried in the underground, the wall or the suspended ceiling, so that water resource waste and water cost are increased, and a building is endangered to cause house damage and property loss.
At present, chinese patent with publication number CN108662440a discloses a water pipe micro-leakage monitoring device, including the valve body that has the control chamber, have on the valve body with control chamber UNICOM's inlet opening and apopore, control intracavity portion rotates and is provided with the impeller, inlet opening department is provided with the check valve, the check valve includes disk seat and case, set up on the disk seat and link up and be directed against the hole for water spraying of impeller, set up a plurality of and the pore of hole for water spraying UNICOM on the case. When the micro leakage occurs, water flows into the fine holes and is sprayed out from the water spraying holes, and the water sprayed out from the water spraying holes enters the monitoring cavity and pushes the impeller in the monitoring cavity to rotate, so that a user can judge whether the micro leakage occurs according to the rotation state of the impeller.
However, because the pore diameter of the pore is smaller, the pore is easily blocked by impurities in water in the use process, so that water cannot enter the water spraying hole through the pore in the process of micro leakage and is used for driving the impeller to rotate, and the water pipe micro leakage monitoring device cannot accurately detect the micro leakage condition.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a micro-leakage device which has the advantages of difficult blockage and accurate detection of the micro-leakage condition.
The technical aim of the invention is realized by the following technical scheme: the utility model provides a micro-leakage device, includes the valve body that has the control chamber, the inside rotation of control chamber is connected with the impeller, set up on the valve body and communicate in the water hole of control chamber, the both ends of water hole are water inlet and delivery port respectively, the inside check valve that is provided with of valve body, the check valve is located between control chamber and the delivery port, the check valve is used for preventing water to flow from the delivery port to water inlet one side, be provided with the water storage jar that has the opening on the valve body, the water storage jar is inside to be provided with and is used for blocking the open-ended elastic diaphragm; the valve body is provided with a through hole, one end of the through hole is communicated with the opening, and the other end of the through hole is communicated with the water passing hole and is positioned on one side of the one-way valve, which faces the water inlet; the valve body is also provided with a flow passage, one end of the flow passage is communicated with the inner cavity of the water storage tank, and the other end of the flow passage is communicated with the water passing hole and is positioned at one side of the one-way valve away from the water inlet; when the pipeline connected to one side of the water outlet is slightly leaked, the water pressure in the pipeline connected to one side of the water outlet is reduced and is smaller than the water pressure in the pipeline connected to one side of the water inlet, and the elastic membrane is sunken towards the inner cavity of the water storage tank.
Through the technical scheme, when a user turns off the water switch, the pressures on two sides of the one-way valve are equal, the one-way valve is in a closed state at the moment, and meanwhile, the elastic membrane is in a horizontal state. When the pipeline connected to the water outlet side is slightly leaked, the water pressure in the pipeline connected to the water outlet side is reduced and is smaller than the water pressure in the pipeline connected to the water inlet side. At this time, the elastic membrane is sunken to one side of the inner cavity of the water storage tank, and water in the water storage tank enters the water through the runner and flows towards a pipeline connected to one side of the water outlet. At this time, the user can know that the pipeline is slightly leaked through the deformed elastic membrane. When the pipeline connected to the water outlet side continuously leaks water, when the difference between the water pressure in the pipeline connected to the water outlet side and the water pressure in the pipeline connected to the water inlet side is large, the one-way valve is opened, so that the water passing hole is in a communicating state, and water flows from the water inlet side to the water outlet side. In the process of water flowing through the control cavity, the water flow can drive the impeller to rotate. At this time, the user can know that the pipeline is slightly leaked through the rotation of the impeller. Because the aperture of the flow channel and the aperture of the water passing hole are larger, the blockage is not easy to occur, that is, the micro-leakage device can continuously and accurately detect the micro-leakage condition.
Preferably, the inner wall of the water storage tank is provided with a mounting groove communicated with the opening, the elastic membrane is arranged inside the mounting groove, the mounting groove is internally connected with a butt seat, and the butt seat compresses the elastic membrane on the inner wall of the mounting groove.
Through above-mentioned technical scheme, when needs change the elastic membrane, only need unscrew the butt seat and can take off the elastic membrane and change.
Preferably, the mounting groove is provided with a first baffle ring in a protruding manner near the inner wall of the control cavity, and the first baffle ring surrounds the opening.
Through above-mentioned technical scheme, when using the butt seat to compress tightly the elastic diaphragm on the mounting groove inner wall, the first embedding of baffle ring on the mounting groove inner wall is inside the elastic diaphragm, and the elastic diaphragm is closely wrapped up the first closely of baffle ring for the inside water of water hole is difficult for flowing out from the clearance between mounting groove and the elastic diaphragm.
Preferably, a second baffle ring is arranged on the end face, facing the control cavity, of the abutting seat, and the second baffle ring is opposite to the first baffle ring.
Through the technical scheme, when the elastic membrane is pressed on the inner wall of the mounting groove by using the supporting seat, the second baffle ring on the supporting seat is embedded into the elastic membrane, and the elastic membrane tightly wraps the second baffle ring, so that water is not easy to flow out from a gap between the supporting seat and the elastic membrane.
Preferably, the elastic membrane comprises a connecting part and a blocking part, wherein the connecting part is arranged inside the mounting groove, and the connecting part faces the end face of the center of the opening and simultaneously abuts against the side wall of the first baffle ring and the side wall of the second baffle ring.
Through above-mentioned technical scheme, the go-between is kept off by keeping off ring one and keeps off ring two separation to this guarantees when the inside water pressure of water hole is higher, and the elastic diaphragm is difficult for breaking away from and enters into the water hole inside with following between mounting groove and the butt seat.
Preferably, the opening is provided with a base, the base is located above the elastic membrane, and a filtering hole through which water passes is formed in the base.
Through above-mentioned technical scheme, set up in the base that has the filtration pore of opening part can separate impurity for the impurity is difficult for falling on the elastic diaphragm and causes elastic diaphragm to warp.
Preferably, a water outlet is arranged on the water storage tank, and a plug is connected to the water outlet through threads.
Through above-mentioned technical scheme, when needs wash the water storage tank, can take off the end cap from the outlet, later only need stretch into the work piece that washs usefulness to the water storage tank inside can clear up the inner wall of water storage tank.
Drawings
FIG. 1 is a schematic view of an embodiment, mainly for illustrating the outline structure of the embodiment;
FIG. 2 is a schematic cross-sectional view of an embodiment, primarily for illustrating the composition of the embodiment;
fig. 3 is an enlarged view of a portion a of fig. 2.
Reference numerals: 1. a control chamber; 2. a valve body; 3. an impeller; 4. a water passing hole; 41. a water inlet; 42. a water outlet; 5. a one-way valve; 6. an opening; 7. a water storage tank; 8. an elastic membrane; 81. a connection part; 82. a blocking portion; 9. a through hole; 10. a flow passage; 11. a mounting groove; 12. a butt joint seat; 13. a first baffle ring; 14. a second baffle ring; 15. a base; 16. a water outlet; 17. and (5) plugging.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The micro-leakage device comprises a valve body 2, wherein a water passing hole 4 through which water flows is arranged in the valve body 2, and two ends of the water passing hole 4 are respectively provided with a water inlet 41 through which the water flows into the water passing hole 4 and a water outlet 42 through which the water flows out of the water passing hole 4. The inside control chamber 1 that still is provided with of valve body 2, control chamber 1 and water hole 4 intercommunication, control chamber 1 inside rotates and is connected with impeller 3. The valve body 2 is also internally provided with a one-way valve 5, the one-way valve 5 is positioned between the control cavity 1 and the water outlet 42, and the one-way valve 5 is used for preventing water from flowing into one side of the water inlet 41 from the water outlet 42.
The valve body 2 is provided with a water storage tank 7, the end part of the water storage tank 7, which is away from the valve body 2, is provided with a water outlet 16, and a plug 17 is connected at the water outlet 16 in a threaded manner. When the water storage tank 7 needs to be cleaned, the cleaning workpiece can be stretched into the water storage tank 7 and the inner wall of the water storage tank 7 is cleaned only by taking down the plug 17. The valve body 2 is provided with a flow passage 10, one end of the flow passage 10 is communicated to the inner cavity of the water storage tank 7, and the other end of the flow passage 10 is communicated to the water passing hole 4 and is positioned on one side of the one-way valve 5 away from the water inlet 41.
The end of the water storage tank 7 facing the valve body 2 is provided with an opening 6, the opening 6 is provided with a base 15, and the base 15 is provided with a filtering hole through which water passes. The inner wall of the water storage tank 7 is provided with a mounting groove 11 communicated with the opening 6, the mounting groove 11 is positioned below the base 15, the inner wall of the mounting groove 11, which is close to the control cavity 1, is convexly provided with a first baffle ring 13, and the first baffle ring 13 surrounds the opening 6. The inside threaded connection of mounting groove 11 has butt seat 12, and butt seat 12 goes into to be equipped with on the terminal surface that faces control chamber 1 and keeps off ring two 14, and keeps off ring two 14 and keeps off ring one 13 relatively. The inside elastic membrane 8 that is provided with of mounting groove 11, elastic membrane 8 are used for blocking opening 6, and elastic membrane 8 is pressed in the inner wall department of mounting groove 11 by butt seat 12. The elastic membrane 8 comprises a connecting portion 81 and a blocking portion 82, the thickness of the connecting portion 81 is larger than that of the blocking portion 82, the connecting portion 81 is arranged inside the mounting groove 11, and the end face of the connecting portion 81, which faces the center of the opening 6, simultaneously abuts against the side wall of the first baffle ring 13 and the side wall of the second baffle ring 14.
The valve body 2 is provided with a through hole 9, one end of the through hole 9 is communicated to the opening 6 of the water storage tank 7, and the other end of the through hole 9 is communicated to the control cavity 1.
When the pipeline connected to the water outlet 42 is slightly leaked, the water pressure in the pipeline connected to the water outlet 42 is reduced and smaller than the water pressure in the pipeline connected to the water inlet 41. At this time, the elastic membrane 8 is recessed toward the inner cavity side of the water storage tank 7, and water in the water storage tank 7 enters the water passing hole 4 through the flow passage 10 and flows toward the pipe connected to the water outlet 42 side. At this time, the user can know that the pipeline is slightly leaked through the deformed elastic membrane 8. When the water leakage is continued in the pipeline connected to the water outlet 42, the one-way valve 5 is opened to enable the water passing hole 4 to be in a communicating state when the difference between the water pressure in the pipeline connected to the water outlet 42 and the water pressure in the pipeline connected to the water inlet 41 reaches a preset value, and water flows from the water inlet 41 to the water outlet 42. During the water flowing through the control chamber 1, the water flow can drive the impeller 3 to rotate. At this time, the user can know that the pipeline is slightly leaked through the rotation of the impeller 3.
The foregoing is merely exemplary embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.
Claims (7)
1. The utility model provides a micro-leakage device, includes valve body (2) that has control chamber (1), the inside rotation of control chamber (1) is connected with impeller (3), set up on valve body (2) communicate in water hole (4) of control chamber (1), water hole (4) both ends are water inlet (41) and delivery port (42) respectively, valve body (2) inside is provided with check valve (5), check valve (5) are located control chamber (1) with between delivery port (42), check valve (5) are used for stopping water to flow to water inlet (41) one side by delivery port (42), characterized by: a water storage tank (7) with an opening (6) is arranged on the valve body (2), and an elastic membrane (8) for blocking the opening (6) is arranged inside the water storage tank (7); the valve body (2) is provided with a through hole (9), one end of the through hole (9) is communicated with the opening (6), and the other end of the through hole (9) is communicated with the water passing hole (4) and is positioned on one side of the one-way valve (5) facing the water inlet (41); the valve body (2) is further provided with a flow passage (10), one end of the flow passage (10) is communicated to the inner cavity of the water storage tank (7), and the other end of the flow passage (10) is communicated to the water passing hole (4) and is positioned at one side, far away from the water inlet (41), of the one-way valve (5); when the pipeline connected to one side of the water outlet (42) is slightly leaked, the water pressure in the pipeline connected to one side of the water outlet (42) is reduced and is smaller than the water pressure in the pipeline connected to one side of the water inlet (41), and the elastic membrane (8) is sunken towards the inner cavity of the water storage tank (7).
2. The micro-leakage device according to claim 1, wherein: the water storage tank is characterized in that an installation groove (11) communicated with the opening (6) is formed in the inner wall of the water storage tank (7), the elastic membrane (8) is placed inside the installation groove (11), a supporting seat (12) is connected inside the installation groove (11), and the supporting seat (12) tightly presses the elastic membrane (8) to the inner wall of the installation groove (11).
3. The micro-leakage device according to claim 2, wherein: the mounting groove (11) is close to the inner wall of the control cavity (1), a first baffle ring (13) is arranged on the inner wall in a protruding mode, and the first baffle ring (13) surrounds the opening (6).
4. A micro-leakage device according to claim 3, wherein: the end face, facing the control cavity (1), of the abutting seat (12) is provided with a second baffle ring (14), and the second baffle ring (14) is opposite to the first baffle ring (13).
5. The micro-leakage device according to claim 4, wherein: the elastic membrane (8) comprises a connecting portion (81) and a blocking portion (82), the connecting portion (81) is arranged inside the mounting groove (11), and the connecting portion (81) faces the end face of the center of the opening (6) and simultaneously abuts against the side wall of the first baffle ring (13) and the side wall of the second baffle ring (14).
6. The micro-leakage device according to claim 1, wherein: the opening (6) is provided with a base (15), the base (15) is positioned above the elastic membrane (8), and the base (15) is provided with a filtering hole through which water passes.
7. The micro-leakage device according to claim 1, wherein: a water outlet (16) is arranged on the water storage tank (7), and a plug (17) is connected to the water outlet (16) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910135395.9A CN109737312B (en) | 2019-02-22 | 2019-02-22 | Micro-leakage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910135395.9A CN109737312B (en) | 2019-02-22 | 2019-02-22 | Micro-leakage device |
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| Publication Number | Publication Date |
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| CN109737312A CN109737312A (en) | 2019-05-10 |
| CN109737312B true CN109737312B (en) | 2023-08-15 |
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| CN201910135395.9A Active CN109737312B (en) | 2019-02-22 | 2019-02-22 | Micro-leakage device |
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