CN207034295U - A kind of quantity control valve - Google Patents
A kind of quantity control valve Download PDFInfo
- Publication number
- CN207034295U CN207034295U CN201720658902.3U CN201720658902U CN207034295U CN 207034295 U CN207034295 U CN 207034295U CN 201720658902 U CN201720658902 U CN 201720658902U CN 207034295 U CN207034295 U CN 207034295U
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- CN
- China
- Prior art keywords
- partition
- pressure
- valve
- valve body
- chamber
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of quantity control valve, including valve body, being horizontally disposed with successively from top to bottom in valve body has first partition and second partition, and the inwall of first partition and second partition respectively with valve body welds, pressure releasing chamber is formed between the first partition and the top inner wall of valve body, and form reservoir chamber between second partition and the bottom interior wall of valve body, the first partition and second partition form installation cavity, and valve block is slidably fitted with installation cavity, and installation cavity is divided into pressure equalizing chamber and positioned at the pressure-bearing room of pressure equalizing chamber side by valve block, and it is welded with telescopic spring bar on side inwall of the pressure equalizing chamber away from pressure-bearing room, and telescopic spring bar is connected with valve block, the center of the first partition offers relief hole.When the utility model can gather pressure increase in large quantity of air or valve in valve, relief hole is automatically opened up, air or water is discharged and is depressured for valve, the hydraulic pressure in compensation flap, reduce security incident odds.
Description
Technical field
It the utility model is related to quantity control valve technical field, more particularly to a kind of quantity control valve.
Background technology
Existing running water is mixed into substantial amounts of air, process of the pipeline in conveying running water during purified treatment
In, substantial amounts of air is stained with the inwall of pipeline, not only the inwall of easy corrosion metals conveyance conduit, and pipeline and water valve
Air is easily gathered in junction, increases the pressure of running water in valve body, with hydraulic pressure increase in valve body, easily makes water valve and pipeline
Junction produce leakage even occur booster phenomenon, cause security incident.
Utility model content
The purpose of this utility model is to solve shortcoming present in prior art, and a kind of water valve pressure proposed is determined
Control valve.
To achieve these goals, the utility model employs following technical scheme：
A kind of quantity control valve, including valve body, be horizontally disposed with successively from top to bottom in valve body have first partition and second every
Plate, and the inwall of first partition and second partition respectively with valve body welds, between the first partition and the top inner wall of valve body
Pressure releasing chamber is formed, and reservoir chamber is formed between second partition and the bottom interior wall of valve body, the first partition and second partition structure
Valve block is slidably fitted with into installation cavity, and in installation cavity, and installation cavity is divided into pressure equalizing chamber and put down positioned at pressure by valve block
The pressure-bearing room of weighing apparatus room side, and telescopic spring bar is welded with side inwall of the pressure equalizing chamber away from pressure-bearing room, and spring is stretched
Contracting bar is connected with valve block, and the center of the first partition offers relief hole, and offers back liquid on second partition respectively
Hole and fluid hole, and hole for back flow and fluid hole are located in the bottom interior wall of pressure equalizing chamber and pressure-bearing room respectively.
Preferably, both sides outer wall of the both sides outer wall of the valve block respectively with valve body is slidably connected, and in the top of valve block
The bottom outer wall and second partition top exterior walls of wall and bottom interior wall respectively with first partition are slidably connected.
Preferably, the telescopic spring bar includes sleeve pipe, and connecting rod is slidably fitted with sleeve pipe, and sleeve pipe is away from connection
Spring is welded with the side inwall of bar, and spring is connected with connecting rod.
Preferably, gas outlet is provided with the top of the pressure releasing chamber, and gas outlet is located at directly over relief hole, and gas outlet connects
It is connected to relief tube.
Preferably, the pressure-bearing room is connected by relief hole with pressure releasing chamber, and valve block cross-sectional area is more than the horizontal stroke of relief hole
Sectional area.
Preferably, water inlet is offered on side outer wall of the pressure-bearing room away from pressure equalizing chamber, and connected in water inlet
Water inlet pipe is connected to, and delivery port is offered on the side outer wall of reservoir chamber, and outlet pipe is connected with delivery port.
The beneficial effects of the utility model are：Pressure equalizing chamber connects with reservoir chamber, is capable of the pressure of balance valve block both sides,
When gathering large quantity of air in pressure-bearing room, hydraulic pressure is more than the hydraulic pressure in pressure equalizing chamber and reservoir chamber in pressure-bearing room, and valve block is being held
Slided under pressure chamber hydraulic pressure or so to pressure equalizing chamber direction, telescopic spring bar shrinks, and spills relief hole, the interior air of pressure-bearing room and
Water is flowed into pressure releasing chamber from relief hole, when the pressure in pressure-bearing room is consistent with pressure balance chamber pressure, telescopic spring bar inner spring
Initial position, the elongation of telescopic spring bar are replied, valve block blocks relief hole.
When the utility model can gather pressure increase in large quantity of air or valve in valve, relief hole is automatically opened up,
Discharge air or water to be depressured for valve, the hydraulic pressure in compensation flap, reduce security incident odds.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of quantity control valve vertical section structural representation；
Fig. 2 be the utility model proposes a kind of quantity control valve expansion link cross section structure diagram.
In figure：Balancing gate pit, 5 reservoir chambers, 6 valve blocks, 7 pressure equalizing chambers, 8 are let out in 1 valve body, 2 first partitions, 3 second partitions, 4
Pressure-bearing room, 9 telescopic spring bars, 10 relief holes, 11 hole for back flow, 12 fluid holes, 13 sleeve pipes, 14 springs, 15 connecting rods.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-2, a kind of quantity control valve, including valve body 1, being horizontally disposed with successively from top to bottom in valve body 1 has first
Dividing plate 2 and second partition 3, and the inwall of first partition 2 and second partition 3 respectively with valve body 1 welds, first partition 2 and valve body 1
Top inner wall between form pressure releasing chamber 4, and between the bottom interior wall of second partition 3 and valve body 1 form reservoir chamber 5, first every
Plate 2 and second partition 3 form installation cavity, and valve block 6 is slidably fitted with installation cavity, and installation cavity is divided into pressure by valve block 6
Balance cylinder 7 and positioned at the pressure-bearing room 8 of the side of pressure equalizing chamber 7, and welded on side inwall of the pressure equalizing chamber 7 away from pressure-bearing room 8
Telescopic spring bar 9 is connected to, and telescopic spring bar 9 is connected with valve block 6, the center of first partition 2 offers relief hole 10, and
Hole for back flow 11 and fluid hole 12 are offered on second partition 3 respectively, and hole for back flow 11 and fluid hole 12 are located at pressure balance respectively
In the bottom interior wall of room 7 and pressure-bearing room 8.
In the utility model, the both sides outer wall of the both sides outer wall of valve block 6 respectively with valve body 1 is slidably connected, and the top of valve block 6
The bottom outer wall and the top exterior walls of second partition 3 of portion's inwall and bottom interior wall respectively with first partition 2 are slidably connected, telescopic spring
Bar 9 includes sleeve pipe 13, and connecting rod 15 is slidably fitted with sleeve pipe 13, and is welded on side inwall of the sleeve pipe 13 away from connecting rod 15
Spring 14 is connected to, and spring 14 is connected with connecting rod 15, the top of pressure releasing chamber 4 is provided with gas outlet, and gas outlet is located at relief hole
Directly over 10, and gas outlet is connected with relief tube, and pressure-bearing room 8 is connected by relief hole 10 with pressure releasing chamber 4, and the cross section of valve block 6
For product more than the cross-sectional area of relief hole 10, pressure-bearing room 8 offers water inlet on the side outer wall away from pressure equalizing chamber 7, and enters
Water inlet pipe is connected with the mouth of a river, and delivery port is offered on the side outer wall of reservoir chamber 5, and outlet pipe is connected with delivery port.
Operation principle：Running water flows into pressure-bearing room 8, reservoir chamber 5 and pressure equalizing chamber 7, the He of pressure equalizing chamber 7 through water inlet pipe
Reservoir chamber 5 connects, and when gathering large quantity of air in pressure-bearing room 8, hydraulic pressure is more than in pressure equalizing chamber 7 and reservoir chamber 5 in pressure-bearing room 8
Hydraulic pressure, valve block 6 slides under hydraulic pressure of pressure-bearing room 8 or so to the direction of pressure equalizing chamber 7, and telescopic spring bar 9 shrinks, and spills pressure release
Hole 10, the interior air and water of pressure-bearing room 8 are flowed into pressure releasing chamber 4 from relief hole 10, the pressure in pressure-bearing room 8 and pressure equalizing chamber 7
When pressure is consistent, the inner spring 14 of telescopic spring bar 9 replys initial position, and telescopic spring bar 9 extends, and valve block 6 blocks relief hole 10.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of quantity control valve, including valve body（1）, it is characterised in that valve body（1）Inside being horizontally disposed with successively from top to bottom has the
One dividing plate（2）And second partition（3）, and first partition（2）And second partition（3）Respectively with valve body（1）Inwall welding, it is described
First partition（2）With valve body（1）Top inner wall between form pressure releasing chamber（4）, and second partition（3）With valve body（1）Bottom
Reservoir chamber is formed between inwall（5）, the first partition（2）And second partition（3）Installation cavity is formed, and peace is slided in installation cavity
Equipped with valve block（6）, and valve block（6）Installation cavity is divided into pressure equalizing chamber（7）With positioned at pressure equalizing chamber（7）The pressure-bearing of side
Room（8）, and pressure equalizing chamber（7）Away from pressure-bearing room（8）Side inwall on be welded with telescopic spring bar（9）, and telescopic spring
Bar（9）With valve block（6）Connection, the first partition（2）Center offer relief hole（10）, and second partition（3）On
Hole for back flow is offered respectively（11）And fluid hole（12）, and hole for back flow（11）And fluid hole（12）It is located at pressure equalizing chamber respectively
（7）With pressure-bearing room（8）Bottom interior wall on.
A kind of 2. quantity control valve according to claim 1, it is characterised in that the valve block（6）Both sides outer walls difference
With valve body（1）Both sides outer wall be slidably connected, and valve block（6）Top inner wall and bottom interior wall respectively with first partition（2）'s
Bottom outer wall and second partition（3）Top exterior walls are slidably connected.
A kind of 3. quantity control valve according to claim 1, it is characterised in that the telescopic spring bar（9）Including sleeve pipe
（13）, and sleeve pipe（13）Inside it is slidably fitted with connecting rod（15）, and sleeve pipe（13）Away from connecting rod（15）Side inwall on weld
It is connected to spring（14）, and spring（14）With connecting rod（15）Connection.
A kind of 4. quantity control valve according to claim 1, it is characterised in that the pressure releasing chamber（4）Top be provided with out
Gas port, and gas outlet is located at relief hole（10）Surface, and gas outlet is connected with relief tube.
A kind of 5. quantity control valve according to claim 1, it is characterised in that the pressure-bearing room（8）Pass through relief hole
（10）With pressure releasing chamber（4）Connection, and valve block（6）Cross-sectional area is more than relief hole（10）Cross-sectional area.
A kind of 6. quantity control valve according to claim 1, it is characterised in that the pressure-bearing room（8）Away from pressure balance
Room（7）Side outer wall on offer water inlet, and water inlet pipe is connected with water inlet, and reservoir chamber（5）Side outer wall on
Delivery port is offered, and outlet pipe is connected with delivery port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658902.3U CN207034295U (en) | 2017-06-08 | 2017-06-08 | A kind of quantity control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658902.3U CN207034295U (en) | 2017-06-08 | 2017-06-08 | A kind of quantity control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207034295U true CN207034295U (en) | 2018-02-23 |
Family
ID=61470801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720658902.3U Expired - Fee Related CN207034295U (en) | 2017-06-08 | 2017-06-08 | A kind of quantity control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207034295U (en) |
-
2017
- 2017-06-08 CN CN201720658902.3U patent/CN207034295U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20190608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |