CN209569393U - A kind of reservoir upper layer water fetching device buoyancy control valve - Google Patents
A kind of reservoir upper layer water fetching device buoyancy control valve Download PDFInfo
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- CN209569393U CN209569393U CN201920041297.4U CN201920041297U CN209569393U CN 209569393 U CN209569393 U CN 209569393U CN 201920041297 U CN201920041297 U CN 201920041297U CN 209569393 U CN209569393 U CN 209569393U
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- valve
- buoyancy control
- control valve
- diaphragm
- upper layer
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Abstract
The utility model relates to a kind of reservoir upper layer water fetching device buoyancy control valves, the valve deck of falling convex shape of valve body lower portion is set including valve body, the buoyancy control valve further includes floating drum, valve rod and membrane switch assemblies, the valve rod upper end connects floating drum, and lower end is inserted into the guide sleeve for the stem guiding slot being arranged on valve deck after sequentially passing through valve body upper wall and membrane switch assemblies.Compared with prior art, the utility model has many advantages, such as to extract upper water always, is not easy to plug, convenience of removing contamination, arranges convenient, saving space.
Description
Technical field
The utility model relates to reservoir water intaking control fields, more particularly, to a kind of buoyancy control of reservoir upper layer water fetching device
Valve processed.
Background technique
With the continuous enhancing of national power, China's project of building water conservancy projects is also more more and more universal.The attention of the people's livelihood is thrown by government
Enter huge fund and solve livelihood issues, obtains sustainable development in terms of the utilization and water and soil conservation of water resource, in the new situation water resource
Utilization in many new problems of discovery, 90% or more reservoir does not account for the required function that supplies water in original design, just only sets
The function of counting a bottom outlet and supply water, irrigate, it is all essentially the same in terms of current national reservoir service condition.
Its disadvantage are as follows:
A, temperature of irrigation water is too low, and common people are unwilling to use；
B, it supplying water because what is taken is the water of dead water level, silt, soil deposit are excessive, and it is displeasant to drink, and bottom
Hole design is all plane fixed pulley or planar slide door, and when waterproof easily brings sandstone into slot, and majority gate is not closed completely, and causes to leak
Water phenomenon；
Although c, having the gate of some stratified pumpings and the pipeline of stratified pumping, it requires opening and closing device, causes
Up-front investment is larger, and according to the gate of stratified pumping, then it still will lead to sandstone in gate slot and accumulates, and causes closing gate not
Phenomena such as tight.
Utility model content
The purpose of this utility model is exactly to provide a kind of reservoir upper layer to overcome the problems of the above-mentioned prior art
Water fetching device buoyancy control valve.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of reservoir upper layer water fetching device buoyancy control valve, the valve of falling convex shape of valve body lower portion is arranged in including valve body
Lid, the buoyancy control valve further include floating drum, valve rod and membrane switch assemblies, and the valve rod upper end connects floating drum, lower end according to
It is secondary to be inserted into the guide sleeve for the stem guiding slot being arranged on valve deck after valve body upper wall and membrane switch assemblies.
The membrane switch assemblies include the valve seat set gradually from top to bottom, gasket, valve base, diaphragm and pressing diaphragm
Plate, the valve seat are fixed on the valve seat base station at valve flowing channel, and the valve base upper surface is formed by gasket seal
I-shaped structure, lower end surface and the upper surface of diaphragm pressing plate clamp diaphragm, and the diaphragm outer rim is fixed on valve deck inner wall
On, and diaphragm lower chambers are formed with valve deck inner wall, the diaphragm lower chambers are communicated by deflector hole with outside.
The valve rod lower end is to sequentially pass through valve seat center, gasket, valve base lower surface, diaphragm and diaphragm pressing plate laggard
Enter and pass through nut locking at diaphragm lower chambers, and the sheathed spring outside one section of body of rod that valve rod is located at diaphragm bottom chamber, it is described
Spring upper end connect with diaphragm pressing plate, lower end is connect with valve deck bottom centre.
The valve seat includes integrally formed cylindric side plate and the circular top plate equipped with runner hole, the cylinder
Shape side plate is fixedly connected by screw thread with valve seat base station, and the circular top plate centre is equipped with the guiding to pass through valve rod
Hole.
The flow inlet of the valve body is overlapped with the axis of outflow port, and vertical with the axis of valve seat base station.
The valve rod is equipped with annular protrusion at the position between circular top plate and gasket.
The valve rod is equipped with pillar outside the body of rod between valve body upper wall and floating drum.
The valve base upper end with cylindric side plane contact at be equipped with sealing ring, the cylindric side plate and valve seat
Base station contact position be equipped with O-ring, the valve base lower end with valve body lower wall sealing at be equipped with mud guard and keep off mud sealing ring.
Filter screen is equipped at the flow inlet.
The buoyancy control valve is equipped with multiple and is arranged on the inside of dam body in staged according to the reservoir dam depth of water, and its spacing is
The outflow port of the height of buoyancy control valve, each buoyancy control valve is connect by pipe flange with the pipeline on dam body, on dam body
Pipe end be equipped with service valve.
Compared with prior art, the utility model has the advantage that
One, can guarantee to extract upper water always: multiple staggers can be arranged according to the different depth of water in reservoir
The utility model, the utility model is by being provided with floating drum, and when equal with its buoyancy using the weight of floating drum, floating drum suspends at this time
In water, valve is in close state, and spring provides seal pressure.When water level decreasing makes floating drum expose the surface, valve is opened
Draining.Water level continues to drop to second floating drum when exposing the surface, and second valve opens draining, and so on.By the way that film is arranged
Piece, water flow by valve deck lower end deflector hole inlet membrane lower chambers just with the hydraulic pressure dynamic balance of diaphragm epicoele so that valve base
Only by the active force of spring, solves the risk that the effect valve when valve is in profundal zone due to hydraulic pressure automatically opens.From
And it ensure that reservoir and extract upper water always.
Two, it is not easy to plug, removes contamination conveniently: in the filter screen of valve body flow inlet end setting arc, guaranteeing water intercepting dirt
Filter area is also effectively increased while matter.Valve base bottom, which is equipped at mud guard, with valve body cooperation, is equipped with gear mud rubber
Circle, further preventing mud to be deposited in diaphragm influences valve opening and closing.
Three, the utility model is operated based on machine automatization, easy to use after installation, according to reservoir size stagger,
Save space.
Detailed description of the invention
Fig. 1 is the structure sectional view of the utility model.
Fig. 2 is buoyancy control valve arrangement schematic diagram.
Description of symbols in figure:
1, valve body；2, valve deck；3, flow inlet；4, outflow port；5, valve seat base station；6, valve seat；7, gasket；8, valve base；9,
Diaphragm；10, diaphragm pressing plate；11, valve rod；12, spring；13, nut；14, guide sleeve；15, deflector hole；16, pilot hole；17, it floats
Cylinder；18, pillar；19, filter screen；20, O-ring；21, sealing ring；22, mud guard；23, mud sealing ring is kept off；24, pipe flange；
25, service valve
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment
As shown in Figure 1, water fetching device buoyancy control valve in a kind of reservoir upper layer provided by the utility model, including bolt connect
The valve body 1 and valve deck 2 connect is successively equipped with valve seat 6, gasket 7, valve base 8, diaphragm 9, diaphragm pressing plate 10, valve rod in valve body 1
11 and spring 12.The left side of valve body 1 offers flow inlet 3, and right side opening is equipped with outflow port 4, the axis of flow inlet 3 and outflow port 4
It is overlapped.The lumen of the valve body 1 is equipped with valve seat base station 5, and the axis of valve seat base station 5 and the axis angle of flow inlet 3 are right angle.Valve
Seat 6 is connected through a screw thread with valve seat base station 5, and gasket 7, valve base 8, diaphragm 9, diaphragm pressing plate 10 are used after successively being connected by valve rod 11
Nut 13 locks.Spring 12 is set on valve rod 11 and between diaphragm pressing plate 10 and valve deck 2, and valve deck 2 is equipped with guide sleeve
14, and 2 bottom of valve deck offers deflector hole 15.Valve rod 11 passes through the pilot hole 16 of valve seat 6, and it is outer with 17 phase of floating drum to stretch out valve body 1
Even.The part that valve rod 11 stretches out outside valve body 1 is cased with pillar 18.Pillar 18 is fixed by bolt and valve body 1.Floating drum 17 is in inner cavity
Empty tubular or square structure.The valve seat 6 of the valve body 1 and 5 junction of valve seat base station are equipped with O-ring 20, are arranged on valve base
Sealing ring 21.
As shown in Fig. 2, reservoir, according to different settable multiple the utility model in stagger of the depth of water, spacing is
The height of valve.The outflow port 4 of valve body 1 is connected with pipe flange 24, and service valve 25 is arranged in pipe end.The utility model passes through
Provided with floating drum 17, when equal with its buoyancy using the weight of floating drum 17, floating drum 17 is suspended in water at this time, and valve, which is in, closes
State, spring 12 provide seal pressure.When water level decreasing makes floating drum 17 expose the surface, valve opens draining.Under water level continues
When dropping to second floating drum 17 and exposing the surface, second valve opens draining, and so on.By the way that diaphragm 9 is arranged, water flow passes through valve
2 lower end deflector hole of lid, the 15 inlet membrane lower chambers just hydraulic pressure dynamic balance with 9 epicoele of diaphragm, so that valve base 8 is only by spring
12 active force, this just solves the risk that the effect when valve is in profundal zone due to hydraulic pressure automatically opens valve base 8.From
And it ensure that reservoir and extract upper water always.
In the filter screen 19 of 1 flow inlet of valve body, 3 end setting arc, also effectively increase while intercepting dirt and guaranteeing water quality
Filter area is added.8 bottom of valve base, which is equipped at mud guard 22, with 1 cooperation of valve body, is equipped with gear mud sealing ring 23, further anti-
Only mud is deposited in the inner opening and closing for influencing valve of diaphragm 9.
Claims (10)
1. a kind of reservoir upper layer water fetching device buoyancy control valve, the convex shape that falls including valve body (1) setting in valve body (1) lower part
Valve deck (2), which is characterized in that the buoyancy control valve further includes floating drum (17), valve rod (11) and membrane switch assemblies, described
Valve rod (11) upper end connects floating drum (17), and lower end, which sequentially passes through, to be inserted into setting after valve body (1) upper wall and membrane switch assemblies and exist
In the guide sleeve (14) of stem guiding slot on valve deck (2).
2. water fetching device buoyancy control valve in a kind of reservoir upper layer according to claim 1, which is characterized in that the film
Piece switch block includes the valve seat (6) set gradually from top to bottom, gasket (7), valve base (8), diaphragm (9) and diaphragm pressing plate
(10), the valve seat (6) is fixed on the valve seat base station (5) at valve body (1) runner, and the valve base (8) upper surface is logical
Gasket (7) sealing is crossed, forms I-shaped structure, the upper surface of lower end surface and diaphragm pressing plate (10) clamps diaphragm (9), described
Diaphragm (9) outer rim be fixed on valve deck (2) inner wall, and with valve deck (2) inner wall formed diaphragm lower chambers, the diaphragm cavity of resorption
Room is communicated by deflector hole (15) with outside.
3. water fetching device buoyancy control valve in a kind of reservoir upper layer according to claim 2, which is characterized in that the valve
Bar (11) lower end is sequentially passing through valve seat (6) center, gasket (7), valve base (8) lower surface, diaphragm (9) and diaphragm pressing plate (10)
It is locked at inlet membrane lower chambers by nut (13) afterwards, and is located at one section of body of rod housing of diaphragm bottom chamber in valve rod (11)
If spring (12), the spring (12) upper end is connect with diaphragm pressing plate (10), and lower end is connect with valve deck (2) bottom centre.
4. water fetching device buoyancy control valve in a kind of reservoir upper layer according to claim 2, which is characterized in that the valve
Seat (6) includes that integrally formed cylindric side plate and the circular top plate equipped with runner hole, the cylindric side plate pass through spiral shell
Line is fixedly connected with valve seat base station (5), and the circular top plate centre is equipped with the pilot hole (16) to pass through valve rod (11).
5. water fetching device buoyancy control valve in a kind of reservoir upper layer according to claim 2, which is characterized in that the valve
The flow inlet (3) of body (1) is overlapped with the axis of outflow port (4), and vertical with the axis of valve seat base station (5).
6. water fetching device buoyancy control valve in a kind of reservoir upper layer according to claim 4, which is characterized in that the valve
Bar (11) is equipped with annular protrusion at the position between circular top plate and gasket (7).
7. water fetching device buoyancy control valve in a kind of reservoir upper layer according to claim 1, which is characterized in that the valve
Bar (11) is equipped with pillar (18) outside the body of rod between valve body (1) upper wall and floating drum (17).
8. water fetching device buoyancy control valve in a kind of reservoir upper layer according to claim 4, which is characterized in that the work
Gate seat (8) upper end with cylindric side plane contact at be equipped with sealing ring (21), the cylindric side plate connects with valve seat base station (5)
Synapsis be equipped with O-ring (20), the valve base (8) lower end with valve body (1) lower wall sealing at be equipped with mud guard (22) and keep off
Mud sealing ring (23).
9. water fetching device buoyancy control valve in a kind of reservoir upper layer according to claim 5, which is characterized in that it is described into
Filter screen (19) are equipped at head piece (3).
10. water fetching device buoyancy control valve in a kind of reservoir upper layer according to claim 1, which is characterized in that the buoyancy
Control valve is equipped with multiple and is arranged on the inside of dam body in staged according to the reservoir dam depth of water, and its spacing is the height of buoyancy control valve
The outflow port (4) of degree, each buoyancy control valve is connect by pipe flange (24) with the pipeline on dam body, the pipeline end on dam body
End is equipped with service valve (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920041297.4U CN209569393U (en) | 2019-01-10 | 2019-01-10 | A kind of reservoir upper layer water fetching device buoyancy control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920041297.4U CN209569393U (en) | 2019-01-10 | 2019-01-10 | A kind of reservoir upper layer water fetching device buoyancy control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209569393U true CN209569393U (en) | 2019-11-01 |
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ID=68333127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920041297.4U Active CN209569393U (en) | 2019-01-10 | 2019-01-10 | A kind of reservoir upper layer water fetching device buoyancy control valve |
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| CN (1) | CN209569393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707897A (en) * | 2019-01-10 | 2019-05-03 | 上海冠龙阀门自控有限公司 | A kind of reservoir upper layer water fetching device buoyancy control valve |
-
2019
- 2019-01-10 CN CN201920041297.4U patent/CN209569393U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707897A (en) * | 2019-01-10 | 2019-05-03 | 上海冠龙阀门自控有限公司 | A kind of reservoir upper layer water fetching device buoyancy control valve |
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