CN213088833U - Hydraulic backflow-preventing valve - Google Patents
Hydraulic backflow-preventing valve Download PDFInfo
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- CN213088833U CN213088833U CN202021718382.9U CN202021718382U CN213088833U CN 213088833 U CN213088833 U CN 213088833U CN 202021718382 U CN202021718382 U CN 202021718382U CN 213088833 U CN213088833 U CN 213088833U
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- side board
- door
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- sealing device
- roof
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Abstract
The utility model discloses a valve is prevented flowing backward by water conservancy, including left side board, right side board, roof and bottom plate, the roof is in the top of left side board and right side board, and the bottom plate is in the bottom of left side board and right side board, and the flotation pontoon door passes through slewing mechanism and sets up between left side board and right side board, and flotation pontoon door perpendicular to left side board and right side board, and main sealing device sets up at the last side of flotation pontoon door, on left surface and the right flank, be provided with on the roof upper surface with main sealing device complex baffle, be provided with sealing device down on the bottom plate. The utility model has the advantages of simple structure and reasonable design, only rely on the pressure and the buoyancy of water to realize opening and closing of valve, practical cost is low, and prevents flowing backward effectually.
Description
Technical Field
The utility model relates to a drainage system technical field, specific valve is prevented flowing backward by water conservancy that says so.
Background
In recent years, urban inland inundation frequently occurs, and particularly after heavy rainfall or continuous rainfall, the urban drainage is not smooth, and river water flows flow backward to an urban area from a rainwater pipeline, so that the urban area is paralyzed to a certain extent, and the production and life of the masses are seriously influenced. The construction and development of cities are restricted to a great extent, and meanwhile, ecological environment damage, economic and property loss and even safety accidents are caused.
Disclosure of Invention
In order to solve the problem, the utility model provides a novel valve is prevented flowing backward by water conservancy, this valve is prevented flowing backward by water conservancy is installed at the pipeline end, and the flotation pontoon door rises according to the rising of river course water level, accomplishes to prevent that river course water from flowing backward to the pipe network in, does not influence the capable flood discharge ability of pipe network simultaneously.
In order to achieve the purpose, the utility model discloses a realize through following technical scheme:
the utility model relates to a valve is prevented flowing backward by water conservancy, including the left side board, the right side board, roof and bottom plate, the roof is in the top of left side board and right side board, and the bottom plate is in the bottom of left side board and right side board, and the flotation pontoon door passes through slewing mechanism and sets up between left side board and right side board, and flotation pontoon door perpendicular to left side board and right side board, and main sealing device sets up at the last side of flotation pontoon door, on left surface and the right flank, be provided with on the roof surface with main sealing device complex baffle, be provided with sealing device down on the bottom plate.
The utility model discloses a further improvement lies in: the rotating mechanism comprises shaft seats arranged on the outer sides of the lower ends of the left side plate and the right side plate, and two ends of a rotating shaft at the lower end of the float door are fixed through the shaft seats.
The utility model discloses a further improvement lies in: the main sealing device comprises a sealing strip and a pressing plate, and the sealing strip is pressed on the float door through the pressing plate.
The utility model discloses a further improvement lies in: the pontoon door is provided with a pontoon which is a semi-cylinder.
The utility model discloses a further improvement lies in: the top plate is inclined, the upper end of the top plate is perpendicular to the horizontal plane and is bent upwards, and the bent portion and the top plate surface above the left side plate and the right side plate form an included angle of 98 degrees.
The utility model has the advantages that: the utility model discloses a valve is prevented flowing backward by water conservancy is installed at the pipeline end, and one side of the buoy door that is provided with the flotation pontoon is close to the river course, and the flotation pontoon door is opened when the water level in the pipeline is higher than the water level in the river course, and water flows into the river course from the pipeline, and when the water in the river course is higher than the water level in the pipeline, the flotation pontoon door is closed under the effect of buoyancy, and water in the river course can't enter into in the pipeline. The backflow preventing effect is effectively achieved. The utility model realizes the opening and closing of the valve only by the pressure and the buoyancy of water without any external power, thereby reducing the use and maintenance cost; the environmental protection effect is good; the device can be popularized and used in various urban pipe networks, thereby promoting the improvement of urban water environment.
The utility model has the advantages of simple structure and reasonable design, only rely on the pressure and the buoyancy of water to realize opening and closing of valve, practical cost is low, and prevents flowing backward effectually.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a side view of the present invention.
Wherein: 1-left side plate, 2-right side plate, 3-top plate, 4-bottom plate, 5-float door, 6-main sealing device, 7-lower sealing device, 8-sealing strip, 9-pressing plate, 10-rotating mechanism and 11-baffle plate.
Detailed Description
In order to enhance the understanding of the present invention, the present invention will be described in detail with reference to the following embodiments and the accompanying drawings, wherein the embodiments are only used for explaining the present invention, and do not limit the protection scope of the present invention.
As shown in fig. 1-2, the utility model relates to a valve is prevented flowing backward by water conservancy, including left side board 1, right side board 2, roof 3 and bottom plate 4, roof 3 is in the top of left side board 1 and right side board 2, bottom plate 4 is in the bottom of left side board 1 and right side board 2, the upper surface of bottom plate is in between left side board 1 and the right side board 2, flotation pontoon door 5 sets up between left side board 1 and right side board 2 through slewing mechanism 10, and flotation pontoon door 5 perpendicular to left side board 1 and right side board 2, main sealing device 6 sets up at flotation pontoon door 5's upper flank, on left surface and the right flank, be provided with at roof 3 upper surface with main sealing device 6 complex baffle 11, be provided with lower sealing device 7 on bottom plate 4.
The rotating mechanism 10 comprises shaft seats arranged on the outer sides of the lower ends of the left side plate 1 and the right side plate 2, and the two ends of the rotating shaft at the lower end of the floating cylinder door 5 rotate around the rotating shaft anticlockwise or clockwise through fixing the floating cylinder door 5 by the shaft seats, so that the opening and closing of the valve are realized. The lower sealing device 7 is arranged at the lower end of the rotating shaft and is tightly attached to the lower end of the floating barrel door 5. The lower sealing device comprises a lower sealing strip and a lower pressing plate, and the lower pressing plate fixes the lower sealing strip on the front side of the bottom plate 4.
The main sealing device 6 comprises a sealing strip 8 and a pressing plate 9, and the sealing strip 8 is pressed on the float door 5 through the pressing plate 9. The top plate 3 is obliquely provided with an upper end which is bent upwards in a vertical horizontal plane, and the bending part and the surface of the top plate 3 above the left side plate 1 and the right side plate 2 form an included angle of 98 degrees. The portion of bending and the cooperation of baffle 11 can block the flotation pontoon door and to the pipeline upset, in addition, prevent flowing backward the valve at water conservancy and be in under the closed condition, the portion of bending is sealed with the cooperation of baffle 11, and main sealing device 6 distributes on the three side of flotation pontoon door 5, and is close to main sealing device 6 of left side board 1 and right side board 2 and contacts with left side board 1 and right side board 2 all the time at flotation pontoon door 5 pivoted in-process. The pontoon door 5 is provided with a pontoon which is a semi-cylinder.
As shown in figure 1, the hydraulic backflow prevention valve is arranged on the outer side of the outlet of a river channel of a intercepting well. In rainy season, a large amount of rainwater enters the left end of the hydraulic backflow prevention valve, the water level at the left end is higher than that at the right end, under the action of water pressure, the floating barrel door 5 rotates clockwise around the rotating shaft, the valve is opened, and water flows into a river channel from left to right; in non-rainy season, the water level of right-hand member is higher than the left end, and the flotation pontoon on the flotation pontoon door 5 constantly risees under the effect of water buoyancy, promotes flotation pontoon door 5 around pivot anticlockwise rotation, until closing flotation pontoon door 5 completely, prevents that the river from flowing backward.
The utility model has the advantages of simple structure and reasonable design, only rely on the pressure and the buoyancy of water to realize opening and closing of valve, practical cost is low, and prevents flowing backward effectually.
The technical solutions in the embodiments of the present invention have been clearly and completely described above, 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.
Claims (5)
1. The utility model provides a water conservancy prevents flowing backward valve which characterized in that: including left side board (1), right side board (2), roof (3) and bottom plate (4), roof (3) are in left side board (1) with the top of right side board (2), bottom plate (4) be in left side board (1) with the bottom of right side board (2), buoy door (5) set up through slewing mechanism (10) left side board (1) with between right side board (2), just buoy door (5) perpendicular to left side board (1) with right side board (2), main sealing device (6) set up on last side, left surface and the right flank of buoy door (5) roof (3) upper surface be provided with main sealing device (6) complex baffle (11) be provided with down sealing device (7) on bottom plate (4).
2. The hydraulic backflow prevention valve as claimed in claim 1, wherein: the rotating mechanism (10) comprises shaft seats arranged on the outer sides of the lower ends of the left side plate (1) and the right side plate (2), and two ends of a rotating shaft at the lower end of the floating cylinder door (5) are fixed through the shaft seats.
3. The hydraulic backflow prevention valve as claimed in claim 1, wherein: the main sealing device (6) comprises a sealing strip (8) and a pressing plate (9), and the sealing strip (8) is pressed on the float door (5) through the pressing plate (9).
4. The hydraulic backflow prevention valve as claimed in claim 1, wherein: a semi-cylinder buoy is arranged on the buoy door (5).
5. The hydraulic backflow prevention valve as claimed in claim 1, wherein: the top plate (3) is obliquely provided with an upper end which is bent upwards in a vertical horizontal plane, and a bent part and the surface of the top plate (3) above the left side plate (1) and the right side plate (2) form an included angle of 98 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021718382.9U CN213088833U (en) | 2020-08-18 | 2020-08-18 | Hydraulic backflow-preventing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021718382.9U CN213088833U (en) | 2020-08-18 | 2020-08-18 | Hydraulic backflow-preventing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213088833U true CN213088833U (en) | 2021-04-30 |
Family
ID=75630590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021718382.9U Active CN213088833U (en) | 2020-08-18 | 2020-08-18 | Hydraulic backflow-preventing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213088833U (en) |
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2020
- 2020-08-18 CN CN202021718382.9U patent/CN213088833U/en active Active
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