CN209802432U - Anti-reverse-flow-prevention self-service passive self-control water meter - Google Patents
Anti-reverse-flow-prevention self-service passive self-control water meter Download PDFInfo
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- CN209802432U CN209802432U CN201920950224.7U CN201920950224U CN209802432U CN 209802432 U CN209802432 U CN 209802432U CN 201920950224 U CN201920950224 U CN 201920950224U CN 209802432 U CN209802432 U CN 209802432U
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Abstract
The utility model discloses a prevent passive automatic control water gauge of anti-reverse flow self-service shape, including water gauge body, shell body, connecting pipe, thread circle and the elastic sealing pad, the shell body is installed in the outside of water gauge body, and both ends all are provided with the connecting pipe about the shell body to the surface mounting of connecting pipe has the thread circle, the outside of thread circle is provided with the elastic sealing pad, and the inside of elastic sealing pad is provided with second elastic airbag, and the inboard of second elastic airbag is connected with the breather pipe. This prevent passive automatic control water gauge of anti-reverse flow self-service shape is provided with first check valve, rectifier tube and second check valve, with device and external pipeline connection back rivers through the connecting pipe can only carry out one-way circulation under the mating reaction of first check valve, second check valve and rectifier tube for the installer can be connected external pipeline with the connecting pipe at will, rivers homoenergetic is followed the appointed direction and is passed through the water gauge body, has improved the use convenience of device.
Description
Technical Field
the utility model relates to a passive automatic control water gauge technical field specifically is a prevent reverse installation and prevent passive automatic control water gauge of self-service shape that flows backwards.
Background
the passive automatic control water meter is one of intelligent water meters, can directly determine a remote meter of the reading of the water meter through resistance positioning or photoelectric positioning, is common in life, but has some defects in the using process:
1. the existing passive self-control water meter cannot effectively prevent water from flowing backwards when being installed, the display result of the water meter is prone to generating deviation when water flows backwards, the water meter needs to be installed along a fixed direction in the installation process, the water meter needs to be detached and installed again when the installation direction is opposite, the anti-reverse installation function is lacked, the use of the device is not facilitated, and the use convenience of the device is reduced;
2. The kneck of current passive automatic control water gauge often is direct to be connected through thread circle and external pipeline, and the kneck of the easy infiltration screw thread of water appears revealing when using for a long time, receives the influence of water easily when the thread circle is the metal material and sends out the rust change, has reduced the life and the practicality of device.
Aiming at the problems, innovative design is urgently needed on the basis of the original self-service passive self-control water meter.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent passive automatic control water gauge of anti-flowing back self-service shape of flowing backward to current passive automatic control water gauge can not effectually prevent the refluence of water when installing on solving the existing market that above-mentioned background art provided, and this water gauge needs to install along fixed direction in the installation, and the kneck of current passive automatic control water gauge often is direct to be connected through fillet of thread and external pipeline, it becomes to hold the emergence rust when the fillet of thread is the metal material, the life's of device problem has been reduced.
In order to achieve the above object, the utility model provides a following technical scheme: a passive self-control water meter capable of preventing backflow comprises a water meter body, an outer shell, a connecting pipe, a threaded ring and an elastic sealing gasket, wherein the outer shell is installed on the outer side of the water meter body, the connecting pipe is arranged at the left end and the right end of the outer shell, the threaded ring is fixed on the outer surface of the connecting pipe, the elastic sealing gasket is arranged on the outer side of the threaded ring, a second elastic air bag is arranged inside the elastic sealing gasket, a vent pipe is connected to the inner side of the second elastic air bag, the inner end of the vent pipe penetrates through the threaded ring, a first elastic air bag is connected to the inner end of the vent pipe, an installation shell is arranged on the outer side of the first elastic air bag, a pressing plate is arranged above the first elastic air bag and located inside the installation shell, a threaded rod is connected to the upper end of the pressing plate, a first check valve is installed, and a second check valve is installed inside the rectifying pipe.
preferably, the thread ring and the connecting pipe are integrally connected, and the elastic sealing gasket on the outer side of the thread ring and the connecting pipe are in adhesive connection.
Preferably, the threaded rod and the mounting shell are in threaded connection, the threaded rod and the pressing plate are in shaft connection, and the pressing plate and the mounting shell are in sliding connection.
preferably, the inner space of the first elastic airbag is communicated with the inner space of the second elastic airbag through a vent pipe, and the elastic contraction force of the first elastic airbag is smaller than that of the second elastic airbag.
Preferably, the inner space of the rectifying tube and the inner space of the connecting tube are designed to be communicated, and the flow direction of the second one-way valve in the rectifying tube is opposite to the flow direction of the first one-way valve in the connecting tube.
Compared with the prior art, the beneficial effects of the utility model are that: the anti-reverse-flow-proof self-service passive self-control water meter is arranged;
(1) The water meter is provided with the first one-way valve, the rectifier tube and the second one-way valve, after the device is connected with an external pipeline, water flow can only flow in one way through the connecting tube under the matching action of the first one-way valve, the second one-way valve and the rectifier tube, so that an installer can randomly connect the external pipeline with the connecting tube, the water flow can pass through the water meter body along the appointed direction, the backflow of water is effectively avoided through the arrangement of the first one-way valve and the second one-way valve, and the use convenience of the device is improved;
(2) be provided with first elastic airbag, second elastic airbag and threaded rod, connecting the back with external pipeline through the fillet of thread and connecting pipe, the accessible rotates the threaded rod and makes the first elastic airbag of clamp plate extrusion, pass through the inside that the breather pipe transmitted the second elastic airbag with the gas in the first elastic airbag, make the elastic sealing gasket outwards expand, protect the junction of fillet of thread and external pipeline, the life of the improvement device, the seal of junction has been improved simultaneously, the practicality of the device has been increased.
drawings
FIG. 1 is a schematic view of the main sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic side sectional view of the mounting case of the present invention;
FIG. 4 is a schematic view of the forward flow of liquid inside the outer shell of the present invention;
Fig. 5 is a schematic view of the reverse flow of the liquid inside the outer shell of the present invention.
In the figure: 1. a water meter body; 2. an outer housing; 3. a connecting pipe; 4. a thread ring; 5. an elastic sealing gasket; 6. a threaded rod; 7. mounting a shell; 8. pressing a plate; 9. a first elastic air bag; 10. a second elastic air bag; 11. a breather pipe; 12. a first check valve; 13. a rectifier tube; 14. a second one-way valve.
Detailed Description
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
referring to fig. 1-5, the present invention provides a technical solution: a reverse-installation-prevention reverse-flow-prevention self-service passive self-control water meter comprises a water meter body 1, an outer shell 2, a connecting pipe 3, a threaded ring 4, an elastic sealing gasket 5, a threaded rod 6, an installation shell 7, a pressing plate 8, a first elastic air bag 9, a second elastic air bag 10, an air pipe 11, a first one-way valve 12, a rectifier tube 13 and a second one-way valve 14, wherein the outer shell 2 is installed on the outer side of the water meter body 1, the connecting pipe 3 is arranged at the left end and the right end of the outer shell 2, the threaded ring 4 is fixed on the outer surface of the connecting pipe 3, the elastic sealing gasket 5 is arranged on the outer side of the threaded ring 4, the second elastic air bag 10 is arranged inside the elastic sealing gasket 5, the air pipe 11 is connected to the inner side of the second elastic air bag 10, the inner end of the air pipe 11 penetrates through the threaded ring 4, the inner, a pressing plate 8 is arranged above the first elastic air bag 9, the pressing plate 8 is positioned inside the mounting shell 7, the upper end of the pressing plate 8 is connected with a threaded rod 6, a first one-way valve 12 is arranged inside the connecting pipe 3, rectifying pipes 13 are arranged on the upper side and the lower side of the connecting pipe 3, and a second one-way valve 14 is arranged inside the rectifying pipes 13;
The threaded ring 4 and the connecting pipe 3 are integrally connected, the elastic sealing gasket 5 on the outer side of the threaded ring 4 is in adhesive connection with the connecting pipe 3, the connecting pipe 3 can be connected with an external pipeline through the threaded ring 4 by the structural design, and meanwhile, the elastic sealing gasket 5 is stably connected with the connecting pipe 3;
The threaded rod 6 is in threaded connection with the mounting shell 7, the threaded rod 6 is in shaft connection with the pressing plate 8, the pressing plate 8 is in sliding connection with the mounting shell 7, and due to the structural design, a user can rotate the threaded rod 6 to enable the threaded rod 6 to be in threaded connection with the mounting shell 7 to move up and down, so that the volume of the first elastic air bag 9 can be controlled conveniently;
The internal space of the first elastic air bag 9 is communicated with the internal space of the second elastic air bag 10 through the vent pipe 11, and the elastic contraction force of the first elastic air bag 9 is smaller than that of the second elastic air bag 10, so that the gas can be transmitted to the inside of the second elastic air bag 10 through the vent pipe 11 when the first elastic air bag 9 deforms, and the first elastic air bag 9 can be reset when the pressing plate 8 moves upwards;
The inner space of rectifier 13 and the inner space of connecting pipe 3 are the design of the form of intercommunication, and the circulation direction of second check valve 14 in rectifier 13 and the circulation direction of first check valve 12 in the connecting pipe 3 are opposite, above-mentioned structural design makes rivers in first check valve 12 when passing through the device in, the unidirectional circulation is kept under rectifier 13 and second check valve 14's effect, the installer can be connected external pipeline and connecting pipe 3 at will, rivers homoenergetic is followed appointed direction and is passed through water gauge body 1, the convenience of use of device has been improved.
The working principle is as follows: when the anti-backflow passive self-control water meter is used, firstly, according to the figure 1-2, an external pipeline is connected with a connecting pipe 3 through a threaded ring 4, a threaded rod 6 can be rotated after connection, the threaded rod 6 moves in a mounting shell 7 through threaded connection between the threaded rod 6 and the mounting shell 7, so that a pressing plate 8 is driven to slide in the mounting shell 7, as shown in the figure 3, the first elastic air bag 9 is extruded in the downward movement process of the pressing plate 8, the first elastic air bag 9 deforms, meanwhile, gas in the first elastic air bag 9 enters the inside of a second elastic air bag 10 through a vent pipe 11, the volume of the second elastic air bag 10 is increased, so that the second elastic air bag 10 drives an elastic sealing gasket 5 to expand outwards, so that the elastic sealing gasket 5 is tightly attached to the inner wall of the external pipeline, and the sealing performance of the connecting part between the external pipeline and the connecting pipe 3 is improved, meanwhile, the thread ring 4 is effectively protected, so that the device is prevented from rusting due to the influence of water, and the practicability of the device is improved;
When the water flow direction is from left to right, as shown in fig. 4, the first check valve 12 is opened to close the second check valve 14, the water flow passes through the first check valve 12 on the left side of the connecting pipe 3, passes through the water meter body 1, and then passes through the first check valve 12 on the right side of the connecting pipe 3 again to output the water flow from the right end, because the first check valve 12 is in the right direction, the water flow is prevented from flowing backwards in the connecting pipe 3, when the water flow direction is from right to left, as shown in fig. 5, the first check valve 12 is closed to open the second check valve 14, the water flow passes through the rectifying pipe 13 below the connecting pipe 3 at the right end, enters the left side of the water meter body 1 through the second check valve 14 in the rectifying pipe 13, passes through the water meter body 1 again to be discharged from the right side, and after reaching the right side of the water meter body 1, the water flow passes through the rectifying pipe 13, with rivers output for rivers no matter get into from that direction and can follow at last and pass through water gauge body 1 from left to right direction, have avoided the condition that the flip-chip appears in the device, have improved the use convenience of device.
those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a prevent passive automatic control water gauge of anti-backward flow self-service shape, includes water gauge body (1), shell body (2), connecting pipe (3), fillet of thread (4) and elastic sealing pad (5), its characterized in that: the water meter is characterized in that the outer shell (2) is installed on the outer side of the water meter body (1), the connecting pipes (3) are arranged at the left end and the right end of the outer shell (2), the outer surface of each connecting pipe (3) is fixedly provided with a threaded ring (4), the outer side of each threaded ring (4) is provided with an elastic sealing gasket (5), a second elastic air bag (10) is arranged inside each elastic sealing gasket (5), the inner side of each second elastic air bag (10) is connected with an air pipe (11), the inner end of each air pipe (11) penetrates through the corresponding threaded ring (4), the inner end of each air pipe (11) is connected with a first elastic air bag (9), the outer side of each first elastic air bag (9) is provided with an installation shell (7), a pressing plate (8) is arranged above each first elastic air bag (9), the pressing plate (8) is located inside the installation shell (7), and, the internal mounting of connecting pipe (3) has first check valve (12), and the upper and lower both sides of connecting pipe (3) all are provided with rectifier tube (13) to the internally mounted of rectifier tube (13) has second check valve (14).
2. The anti-back-flow-proof self-service self-shape-friendly self-control water meter according to claim 1, characterized in that: the thread ring (4) and the connecting pipe (3) are integrally connected, and the elastic sealing gasket (5) on the outer side of the thread ring (4) is in adhesive connection with the connecting pipe (3).
3. The anti-back-flow-proof self-service self-shape-friendly self-control water meter according to claim 1, characterized in that: threaded connection is formed between the threaded rod (6) and the mounting shell (7), the threaded rod (6) and the pressing plate (8) are connected through a shaft, and the pressing plate (8) and the mounting shell (7) are connected in a sliding mode.
4. The anti-back-flow-proof self-service self-shape-friendly self-control water meter according to claim 1, characterized in that: the inner space of the first elastic air bag (9) is communicated with the inner space of the second elastic air bag (10) through a vent pipe (11), and the elastic contraction force of the first elastic air bag (9) is smaller than that of the second elastic air bag (10).
5. the anti-back-flow-proof self-service self-shape-friendly self-control water meter according to claim 1, characterized in that: the inner space of the rectifier tube (13) and the inner space of the connecting tube (3) are designed in a communicated manner, and the flow direction of the second one-way valve (14) in the rectifier tube (13) is opposite to the flow direction of the first one-way valve (12) in the connecting tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950224.7U CN209802432U (en) | 2019-06-24 | 2019-06-24 | Anti-reverse-flow-prevention self-service passive self-control water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950224.7U CN209802432U (en) | 2019-06-24 | 2019-06-24 | Anti-reverse-flow-prevention self-service passive self-control water meter |
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| CN209802432U true CN209802432U (en) | 2019-12-17 |
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| CN201920950224.7U Active CN209802432U (en) | 2019-06-24 | 2019-06-24 | Anti-reverse-flow-prevention self-service passive self-control water meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879346A (en) * | 2020-08-13 | 2020-11-03 | 张希全 | Industrial instrument with adjustable reading angle |
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2019
- 2019-06-24 CN CN201920950224.7U patent/CN209802432U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879346A (en) * | 2020-08-13 | 2020-11-03 | 张希全 | Industrial instrument with adjustable reading angle |
| CN111879346B (en) * | 2020-08-13 | 2022-01-28 | 杭州石林自动化工程有限公司 | Industrial instrument with adjustable reading angle |
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