CN204253963U - Pressure regulator valve - Google Patents
Pressure regulator valve Download PDFInfo
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- CN204253963U CN204253963U CN201420678501.0U CN201420678501U CN204253963U CN 204253963 U CN204253963 U CN 204253963U CN 201420678501 U CN201420678501 U CN 201420678501U CN 204253963 U CN204253963 U CN 204253963U
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Abstract
The utility model provides pressure regulator valve, belongs to valve technology field.It solve the function that existing structure valve body voltage regulation result is poor, do not possess backwater, the dismounting of valve body is also inconvenient, the maintenance problem such as not easily.This pressure regulator valve, comprise valve body, main valve chamber is provided with in described valve body, the side of main valve chamber is provided with water intake, opposite side is provided with water outlet, water outlet is provided with safety check, main valve chamber on the upside of water intake or water outlet is provided with and can be pushed by high pressure water and the relief valve seat of hollow, water stopping valve is provided with in backwater room on the upside of relief valve seat, valve body on the upside of water intake or water outlet is provided with the backwater mouth with backwater room's inner space, the downside of relief valve seat is provided with the overflow spool coordinated with relief valve seat, the upside of water stopping valve is provided with and controls disc spring and the disc spring pressure adjusting bar that water stopping valve opens pressure.The utility model has the advantages such as pressure regulation is simple, overvoltage backwater, valve are easy to assembly.
Description
Technical field
The utility model belongs to valve technology field, refers in particular to a kind of pressure regulator valve.
Background technique
Pressure regulator valve is widely used in various building water supply system, fire-fighting system, central air-conditioning system and heating system etc. in people's daily life.In use can be used for arm decompression, pressure of supply water can be made to distribute more balanced, avoid part water supply superpressure, optimize tall building to pool; In fire-fighting system can with high-pressure water pump with the use of, regulate high pressure water to enter the pressure of flexible pipe, protection flexible pipe breaks because hydraulic pressure is excessive.
At present, the voltage regulation function of existing pressure regulator valve is limited, and range of regulation is little, can only with specific high-pressure water pump with the use of, pressure regulation cannot be carried out according to actual conditions, and still be subject to the impact of high pressure water when valve body not water outlet, valve body easily damages, and working life is not long; In addition the valve body of most pressure regulator valve is integral valve body, service time there will be stopping state in long valve body, be inconvenient to clean, aging or damage and repair more difficult once the component in valve body, some cannot keep in repair the waste that will cause resource.
Model utility content
The purpose of this utility model is to provide a kind of pressure regulator valve, can with various high-pressure water pump with the use of, and can according to the pressure size controlling water kick amount of valve body inner high voltage water, when not water outlet, valve body is in unloading condition and extends working life, and dismounting, easy to clean, later period maintenance is simple.
The purpose of this utility model is achieved in that
A kind of pressure regulator valve, comprise valve body, main valve chamber is provided with in described valve body, the side of main valve chamber is provided with water intake, opposite side is provided with water outlet, water outlet is provided with safety check, main valve chamber on the upside of water intake or water outlet is provided with and can be pushed by high pressure water and the relief valve seat of hollow, water stopping valve is provided with in backwater room on the upside of relief valve seat, valve body on the upside of water intake or water outlet is provided with the backwater mouth with backwater room's inner space, the downside of relief valve seat is provided with the overflow spool coordinated with relief valve seat, press water is communicated with from backing down safety check after water intake enters with water outlet, press water is communicated with backwater mouth from backing down relief valve seat after water intake enters by water stopping valve, the upside of water stopping valve is provided with and controls disc spring and the disc spring pressure adjusting bar that water stopping valve opens pressure.
Above-mentioned a kind of pressure regulator valve, the concrete structure of disc spring and disc spring pressure adjusting bar that described control water stopping valve opens pressure is: relief valve seat apical grafting is blocking water on valve seat, one end apical grafting of disc spring on disc spring seat, the other end apical grafting blocking water on valve seat, the upper end of valve body is bolted with and reaches the disc spring pressure adjusting bar that valve body is interior, withstand on disc spring seat upper end, rotates the adjustable disc spring of disc spring pressure adjusting bar to the pressure of relief valve seat.
Above-mentioned a kind of pressure regulator valve, the concrete structure that described water outlet is provided with safety check is: water outlet is bolted with water output connector, be provided with poppet valve core in water output connector, tapered end and the water outlet opening and closing of poppet valve core are connected, and are provided with Returnning spring between poppet valve core and water output connector.
Above-mentioned a kind of pressure regulator valve, the lower end outside of described overflow spool is bolted with nut, and the overflow spool on the upside of nut is provided with limited ring, is provided with piston between described nut and limited ring, and the nut between piston and valve body is set with Returnning spring.
Above-mentioned a kind of pressure regulator valve, the upside of described piston is provided with Flow Control room, overflow spool between Flow Control room and main valve chamber is provided with leads core retainer plate and Sealing shield ring, the downside of piston is provided with pressure and pushes away room, the pressure room of pushing away is communicated with main valve chamber by the passage arranged on nut and overflow spool, be provided with the cone valve room be connected with safety check between safety check with water outlet, cone valve room is communicated with Flow Control room by inner passage.
Above-mentioned a kind of pressure regulator valve, the concrete structure being provided with water stopping valve in backwater room on the upside of relief valve seat is: the valve seat that blocks water is provided with block water spool and connection and blocks water the through hole of spool and backwater room, and the upside of the spool that blocks water is provided with the Returnning spring of the spool opening and closing that controls to block water.
Above-mentioned a kind of pressure regulator valve, described valve body is split-type structural.
The utility model gives prominence to compared to existing technology and useful technique effect is:
1, pressure regulator valve of the present utility model can with various high-pressure water pump with the use of, valve body is provided with and controls disc spring and the disc spring pressure adjusting bar that water stopping valve opens pressure, the hydraulic pressure in valve body can be made to reach normal working by regulating lever according to the hydraulic pressure pressure in valve body, ensure water inlet and go out water budget, avoiding flexible pipe because of the excessive explosion of hydraulic pressure.
2, on valve body of the present utility model due to be provided with water stopping valve structure can spray gun in off position time relief valve is opened completely, press water in main valve chamber all flows out from backwater mouth, valve body is allowed to be in unloading condition, reduce the attack of high pressure water to valve body, reduce the damage of valve body, extend the working life of valve body.
3, valve body of the present utility model is split type valve body, dismounting, easy to clean, if the component in valve body are long aging or can instantaneously changing when damaging because of service time, ensure that pressure regulator valve can not be scrapped because part damages, extend the working life of pressure regulator valve, later period maintenance is simple and convenient.
Accompanying drawing explanation
Fig. 1 is sectional elevation of the present utility model.
Fig. 2 is longitudinal section of the present utility model.
Fig. 3 is perspective view of the present utility model.
Embodiment
The utility model is further described with specific embodiment below in conjunction with accompanying drawing, see Fig. 1-3:
A kind of pressure regulator valve, comprise valve body 1, main valve chamber 2 is provided with in described valve body 1, the side of main valve chamber 2 is provided with water intake 3, opposite side is provided with water outlet 4, water outlet 4 is provided with safety check 5, main valve chamber 2 on the upside of water intake 3 or water outlet 4 is provided with and can be pushed by high pressure water and the relief valve seat 6 of hollow, water stopping valve 8 is provided with in backwater room 7 on the upside of relief valve seat 6, valve body 1 on the upside of water intake 3 or water outlet 4 is provided with the backwater mouth 31 with backwater room 7 inner space, the downside of relief valve seat 6 is provided with the overflow spool 9 coordinated with relief valve seat 6, press water is communicated with from backing down safety check 5 after water intake 3 enters with water outlet 4, press water is communicated with backwater mouth 31 from backing down relief valve seat 6 after water intake 3 enters by water stopping valve 8, the upside of water stopping valve 8 is provided with and controls disc spring 10 and the disc spring pressure adjusting bar 13 that water stopping valve 8 opens pressure.
The concrete structure of disc spring 10 and disc spring pressure adjusting bar 13 that described control water stopping valve 8 opens pressure is: relief valve seat 6 apical grafting is blocking water on valve seat 11, one end apical grafting of disc spring 10 on disc spring seat 12, the other end apical grafting blocking water on valve seat 11, the upper end of valve body 1 is bolted with and reaches the disc spring pressure adjusting bar 13 that valve body 1 is interior, withstand on disc spring seat 12 upper end, rotates the pressure of the disc spring pressure adjusting adjustable disc spring of bar 13 10 pairs of relief valve seats 6.
The concrete structure that described water outlet 4 is provided with safety check 5 is: water outlet 4 is bolted with water output connector 14, poppet valve core 15 is provided with in water output connector 14, tapered end and water outlet 4 opening and closing of poppet valve core 15 are connected, and are provided with Returnning spring 16 between poppet valve core 15 and water output connector 14.
The lower end outside of described overflow spool 9 is bolted with nut 17, and the overflow spool 9 on the upside of nut 17 is provided with limited ring 18, is provided with piston 19 between described nut 17 and limited ring 18, and the nut 17 between piston 19 and valve body 1 is set with Returnning spring 20.
The upside of described piston 19 is provided with Flow Control room 21, overflow spool 9 between Flow Control room 21 and main valve chamber 2 is provided with leads core retainer plate 22 and Sealing shield ring 23, the downside of piston 19 is provided with pressure and pushes away room 24, pressure is pushed away room 24 and is communicated with main valve chamber 2 by the passage 25 arranged on nut 17 and overflow spool 9, be provided with the cone valve room 26 be connected with safety check 5 between safety check 5 with water outlet 4, cone valve room 26 is communicated with Flow Control room 21 by inner passage 27.
The concrete structure being provided with water stopping valve 8 in backwater room 7 on the upside of relief valve seat 6 is: the valve seat 11 that blocks water is provided with the spool 28 and being communicated with of blocking water and blocks water the through hole 29 of spool 28 and backwater room 7, and the upside of the spool 28 that blocks water is provided with the Returnning spring 30 of spool 28 opening and closing that controls to block water.
Described valve body 1 is split-type structural.
Specific works process of the present utility model is as follows:
When the rifle valve of spray gun is opened, press water enters in main valve chamber 2 from water intake 3 and backs down poppet valve core 15 and flow out from water outlet 4, be communicated with main valve chamber 2 by the passage 25 arranged on nut 17 and overflow spool 9 because pressure pushes away room 24, so press the pressure pushed away in room 24 identical with the pressure in main valve chamber 2, because cone valve room 26 is communicated with Flow Control room 21 by inner passage, so the pressure in cone valve room 26 is identical with the pressure in Flow Control room 21, pressure pushes away the pressure that the Returnning spring 20 that nut 17 that room 24 adds between upper piston 19 and valve body 1 be set with overcomes Flow Control room 21 and main valve chamber 2 and is up pushed up by piston 19, overflow spool 9 and relief valve seat 6 is caused to fit tightly, press water in main valve chamber 2 is flowed out from water output connector 14 by poppet valve core 15, cannot from overflow between overflow spool 9 and relief valve seat 6, spray gun is in the course of the work when the hydraulic pressure in main valve chamber 2 is too high, press water backs down relief valve seat 6 and makes to occur gap between relief valve seat and overflow spool 9, press water enters into backwater room 7 by backing down the spool 28 that blocks water from the through hole 29 blocked water valve seat 11 to overflow from gap, press water in backwater room 7 flows out from backwater mouth 31, reaches the object of decompression.
When the rifle valve of spray gun cuts out, press water enters in main valve chamber 2 from water intake 3, now poppet valve core 15 and water outlet 4 are in and are close to state, press water cannot be flowed out from water output connector 14 by poppet valve core 15, the pressure increase in main valve chamber 2 is caused to back down relief valve seat 6, make to produce larger gap between relief valve seat 6 and overflow spool 9, press water in main valve chamber 2 by gap to overflow, pressure water action overcomes the Returnning spring 20 that the nut 17 between piston 19 and valve body 1 is set with active force at the head of overflow spool 9 makes piston 19 to bottom offset, now overflow spool 6 and relief valve seat 9 are opened completely, press water in main valve chamber 2 enters into backwater room 9 by backing down the spool 28 that blocks water from the through hole 19 blocked water valve seat 11 to overflow, press water in backwater room 9 flows out from backwater mouth 31, valve body is made to keep unloading condition.
It is made to move down by rotating disc spring pressure adjusting bar 13, disc spring 10 is shunk, the active force of disc spring 10 pairs of relief valve seats 6 increases, now just can push relief valve seat 6 make press water overflow from the gap between relief valve seat 6 and overflow spool 9 when having higher hydraulic pressure in main valve chamber 2, would not there is the situation of overflow in less hydraulic pressure; It is made to move up by rotating disc spring pressure adjusting bar 13, disc spring 10 is opened, the active force of disc spring 10 pairs of relief valve seats 6 reduces, and now has less hydraulic pressure in main valve chamber 2 and also can push relief valve seat 6 and make press water overflow from the gap between relief valve seat 6 and overflow spool 9.So make it move up or down the active force that can change relief valve seat 6 by rotating disc spring pressure adjusting bar 13, play the effect of pressure regulation.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.
Claims (7)
1. a pressure regulator valve, comprise valve body (1), it is characterized in that: in described valve body, be provided with main valve chamber (2), the side of main valve chamber is provided with water intake (3), opposite side is provided with water outlet (4), water outlet is provided with safety check (5), the main valve chamber of water intake (3) or water outlet (4) upside is provided with and can be pushed by high pressure water and the relief valve seat of hollow (6), water stopping valve (8) is provided with in the backwater room (7) of relief valve seat (6) upside, the valve body of water intake (3) or water outlet (4) upside is provided with the backwater mouth with backwater room's inner space, the downside of relief valve seat is provided with the overflow spool (9) coordinated with relief valve seat, press water is communicated with from backing down safety check after water intake enters with water outlet, press water is communicated with backwater mouth from backing down relief valve seat after water intake enters by water stopping valve, the upside of water stopping valve (8) is provided with and controls disc spring (10) and the disc spring pressure adjusting bar that water stopping valve opens pressure.
2. a kind of pressure regulator valve according to claim 1, it is characterized in that: the concrete structure of disc spring (10) and disc spring pressure adjusting bar that described control water stopping valve opens pressure is: relief valve seat apical grafting is on the valve seat that blocks water (11), one end apical grafting of disc spring is upper at disc spring seat (12), the other end apical grafting is blocking water on valve seat, the upper end of valve body is bolted with and reaches the disc spring pressure adjusting bar (13) that valve body is interior, withstand on disc spring seat upper end, rotates the adjustable disc spring of disc spring pressure adjusting bar to the pressure of relief valve seat.
3. a kind of pressure regulator valve according to claim 1, it is characterized in that: the concrete structure that described water outlet is provided with safety check is: water outlet is bolted with water output connector (14), poppet valve core (15) is provided with in water output connector, tapered end and the water outlet opening and closing of poppet valve core are connected, and are provided with Returnning spring (16) between poppet valve core and water output connector.
4. a kind of pressure regulator valve according to claim 1, it is characterized in that: the lower end outside of described overflow spool is bolted with nut (17), overflow spool on the upside of nut is provided with limited ring (18), be provided with piston (19) between described nut and limited ring, the nut between piston and valve body be set with Returnning spring (20).
5. a kind of pressure regulator valve according to claim 4, it is characterized in that: the upside of described piston is provided with Flow Control room (21), overflow spool between Flow Control room and main valve chamber is provided with leads core retainer plate (22) and Sealing shield ring (23), the downside of piston is provided with pressure and pushes away room (24), the pressure room of pushing away is communicated with main valve chamber by the passage (25) arranged on nut and overflow spool, be provided with the cone valve room (26) be connected with safety check between safety check with water outlet, cone valve room is communicated with Flow Control room by inner passage (27).
6. a kind of pressure regulator valve according to claim 1, it is characterized in that: the concrete structure being provided with water stopping valve in the backwater room on the upside of relief valve seat is: the valve seat that blocks water is provided with the spool that blocks water (28) and is communicated with the through hole (29) of spool and backwater room of blocking water, the upside of the spool that blocks water is provided with control and blocks water the Returnning spring (30) of spool opening and closing.
7. a kind of pressure regulator valve according to any one of claim 1-6, is characterized in that: described valve body is split-type structural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420678501.0U CN204253963U (en) | 2014-11-13 | 2014-11-13 | Pressure regulator valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420678501.0U CN204253963U (en) | 2014-11-13 | 2014-11-13 | Pressure regulator valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204253963U true CN204253963U (en) | 2015-04-08 |
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ID=52958270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420678501.0U Active CN204253963U (en) | 2014-11-13 | 2014-11-13 | Pressure regulator valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204253963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500796B (en) * | 2014-11-13 | 2017-02-22 | 浙江大农实业股份有限公司 | Pressure regulating valve |
-
2014
- 2014-11-13 CN CN201420678501.0U patent/CN204253963U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500796B (en) * | 2014-11-13 | 2017-02-22 | 浙江大农实业股份有限公司 | Pressure regulating valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |