CN219198230U - Hydraulic self-control check valve - Google Patents
Hydraulic self-control check valve Download PDFInfo
- Publication number
- CN219198230U CN219198230U CN202320696414.7U CN202320696414U CN219198230U CN 219198230 U CN219198230 U CN 219198230U CN 202320696414 U CN202320696414 U CN 202320696414U CN 219198230 U CN219198230 U CN 219198230U
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- lantern ring
- pipe
- delivery pipe
- water delivery
- check valve
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Abstract
A hydraulic self-control check valve comprises a water pipe part and a check valve part, wherein the water pipe part is formed by sequentially connecting pipe orifices of a horizontal water pipe, a converging pipe and a vertical water pipe in a sealing mode in pairs; the water pipe part is fixed on the concrete wall through a horizontal water pipe; the check valve part consists of a lantern ring, a flap valve, a connecting rod, a limiting rod, a connecting hinge and a lantern ring fastening bolt; the lantern ring is fastened on the vertical water delivery pipe through a lantern ring fastening bolt, and the lantern ring is fixedly connected with the connecting rod and the limiting rod; the connecting rod is connected with the flap valve through a connecting hinge; one end of the limiting rod is fixedly connected with the lantern ring, and the other end of the limiting rod extends to the lower part of the vertical water delivery pipe; the flap valve rotates around the connecting hinge between the limiting rod and the vertical water delivery pipe orifice. The utility model mainly solves the problems of large back pressure and small opening angle of the door caused by the factors of heavy weight, elastic door closing force and the like of the traditional check valve, ensures smoother water drainage and more stable check, and can optimize the water drainage and check functions of the water drainage pipe orifice.
Description
Technical Field
The utility model relates to a hydraulic self-control check valve device, in particular to a hydraulic self-control check valve device for a self-flow drainage pipe network in water conservancy or municipal engineering.
Background
In recent years, extreme weather is frequent, and the water level of the flood (tide) exceeds the previous record, so that certain influence is caused on the coastal city along the river. At present, when the urban gravity drainage is carried out to the river channel, if the outlet of the pipe is lower than the water level of the flood (tide), the flood (tide) water flows back into the drainage pipe network and is gushed out from the pipe well, which threatens the life and property safety of people.
The existing automatic non-return equipment for preventing backflow mainly comprises a hanging flap valve, an energy-saving side-turning flap valve and a back pressure type flexible non-return valve (commonly called duckbill valve), but the equipment is slightly slow in terms of functional expression: the suspended flap valve and the back pressure type flexible check valve (commonly called as duckbill valve) are in a normally closed state, and certain back pressure needs to be overcome when the flap valve is opened, so that the problems of large hydraulic loss, small opening angle and easy blockage by dirt exist; the energy-saving side-turning flap valve has small back pressure, but is not very stable in the aspect of closing the door to stop reverse, and the problem that the door cannot be closed in time to prevent flood (tide) water from flowing backwards exists. The existing automatic non-return equipment has a gap from the expected of a user when the two opposite directions of opening and closing are required, and needs to be continuously improved.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a hydraulic self-control check valve system which can automatically and completely open a drain pipe control valve when water logging is drained and automatically and completely close the drain pipe control valve when non-return is needed.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the hydraulic self-control check valve consists of a water pipe part and a check valve part, and is characterized in that: the water delivery pipe part is formed by sequentially connecting the horizontal water delivery pipe, the converging pipe and the pipe orifice of the vertical water delivery pipe in a sealing mode, and the water delivery pipe part is fixed on a concrete wall through the horizontal water delivery pipe; the check valve part consists of a lantern ring, a flap valve, a connecting rod, a limiting rod, a connecting hinge and a lantern ring fastening bolt; the lantern ring is fastened on the vertical water delivery pipe through a lantern ring fastening bolt, and the lantern ring is fixedly connected with the connecting rod and the limiting rod; the connecting rod is connected with the flap valve through a connecting hinge; one end of the limiting rod is fixedly connected with the lantern ring, and the other end of the limiting rod extends to the lower part of the vertical water delivery pipe; the flap valve rotates around the connecting hinge between the limiting rod and the vertical water delivery pipe orifice.
The utility model further improves that: the flap valve is a hollow closed structure made of glass fiber reinforced plastic, and the specific gravity is controlled between 0.8 and 0.95.
The utility model further improves that: an equal-thickness rubber water-stopping layer with the thickness of 2-5mm is laid on the surface of the flap valve corresponding to the bottom opening of the vertical water delivery pipe.
By adopting the technical scheme, the utility model has the following technical progress:
the utility model has simple structure, stable performance and wide applicable working condition range, is particularly suitable for the function optimization and upgrading of the existing drainage system, has low refitting cost, can solve the problems of unsmooth drainage and poor non-return effect of the traditional non-return valve by only additionally installing the non-return valve on the original drainage system and removing the original non-return valve, and can realize the optimization and upgrading of the system function.
Drawings
Figure 1 is a schematic view of the structure of the present utility model,
wherein: 1. collar, 2, flap valve, 3, connecting rod, 4, gag lever post, 5, connection hinge, 6, collar fastening bolt, 7, vertical water pipe, 8, compact pipe, 9, horizontal water pipe, 10, concrete wall.
Detailed Description
The present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the utility model mainly comprises a water pipe part and a check valve part, wherein the water pipe part is formed by sequentially connecting the pipe orifices of a horizontal water pipe 9, a converging pipe 8 and a vertical water pipe 7 in a sealing way, and the water pipe part is fixed on a concrete wall 10 through the horizontal water pipe 9.
The check valve part consists of a lantern ring 1, a flap valve 2, a connecting rod 3, a limiting rod 4, a connecting hinge 5 and a lantern ring fastening bolt 6; the lantern ring 1 is fastened on the vertical water delivery pipe 7 through the lantern ring fastening bolt 6, and the lantern ring 1 is fixedly connected with the connecting rod 3 and the limiting rod 4; the connecting rod 3 is connected with the flap valve 2 through a connecting hinge 5; one end of the limiting rod 4 is fixedly connected with the lantern ring 1, and the other end extends to the lower part of the vertical water delivery pipe 7; the flap valve 2 rotates around the connecting hinge 5 at an angle of 85 degrees between the limit rod 4 and the mouth of the vertical water delivery pipe 7.
The flap valve 2 is a hollow closed structure made of glass fiber reinforced plastic, and the specific gravity is controlled between 0.8 and 0.95.
An equal-thickness rubber water-stopping layer with the thickness of 2-5mm is laid on the surface of the flap valve 2 corresponding to the bottom opening of the vertical water pipe 7.
The working principle of the utility model is as follows:
when no water exists below the flap valve, the flap valve 2 is in a hanging state under the action of self gravity, and the drainage system is in a fully-opened state, so that waterlogging can be smoothly drained.
As the water level in the lower portion of the vertical water pipe 7 rises, the portion of the flap 2 submerged in the water starts to receive buoyancy. When the water level at the position submerges the lower opening of the vertical water pipe 7, the flap valve 2 is completely submerged in water, and the buoyancy received by the flap valve reaches the maximum value. Because the specific gravity of the flap valve 2 is close to and slightly smaller than that of water, gravity and buoyancy can form a closing resultant force with extremely small value after being immersed in the water, when water flows out along the vertical water pipe 7, the door opening resistance formed by the resultant force can be almost ignored compared with that under the action of the water flow, and when the water flow backflow trend occurs, the closing resultant force is enough to guide the flap valve 2 to close and stop. The technical scheme forms seamless butt joint with the requirements in aspects of water logging drainage when opening the door and non-return when closing the door.
Claims (3)
1. The hydraulic self-control check valve consists of a water pipe part and a check valve part, and is characterized in that: the water delivery pipe part is formed by sequentially connecting pipe orifices of a horizontal water delivery pipe (9), a converging pipe (8) and a vertical water delivery pipe (7) in a sealing mode, and the water delivery pipe part is fixed on a concrete wall (10) through the horizontal water delivery pipe (9); the check valve part consists of a lantern ring (1), a flap valve (2), a connecting rod (3), a limiting rod (4), a connecting hinge (5) and a lantern ring fastening bolt (6); the lantern ring (1) is fastened on the vertical water delivery pipe (7) through a lantern ring fastening bolt (6), and the lantern ring (1) is fixedly connected with the connecting rod (3) and the limiting rod (4); the connecting rod (3) is connected with the flap valve (2) through a connecting hinge (5); one end of the limiting rod (4) is fixedly connected with the lantern ring (1), and the other end extends to the lower part of the vertical water delivery pipe (7); the flap valve (2) rotates around the connecting hinge (5) between the limit rod (4) and the mouth of the vertical water delivery pipe (7).
2. The hydraulically operated check valve of claim 1, wherein: the flap valve (2) is a hollow closed structure made of glass fiber reinforced plastic, and the specific gravity is controlled between 0.8 and 0.95.
3. The hydraulically operated check valve of claim 1, wherein: and an equal-thickness rubber layer with the thickness of 2-5mm is laid on the surface of the flap valve (2) corresponding to the bottom opening of the vertical water delivery pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320696414.7U CN219198230U (en) | 2023-03-31 | 2023-03-31 | Hydraulic self-control check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320696414.7U CN219198230U (en) | 2023-03-31 | 2023-03-31 | Hydraulic self-control check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219198230U true CN219198230U (en) | 2023-06-16 |
Family
ID=86715725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320696414.7U Active CN219198230U (en) | 2023-03-31 | 2023-03-31 | Hydraulic self-control check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219198230U (en) |
-
2023
- 2023-03-31 CN CN202320696414.7U patent/CN219198230U/en active Active
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