CN210135064U - Multifunctional water pump control valve - Google Patents
Multifunctional water pump control valve Download PDFInfo
- Publication number
- CN210135064U CN210135064U CN201921002159.1U CN201921002159U CN210135064U CN 210135064 U CN210135064 U CN 210135064U CN 201921002159 U CN201921002159 U CN 201921002159U CN 210135064 U CN210135064 U CN 210135064U
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- Prior art keywords
- valve
- valve core
- connector
- rod
- connecting rod
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a multifunctional water pump control valve, which relates to the field of control valves and comprises a three-way valve body, a valve rod and a connecting rod, wherein the three-way valve body comprises an upper valve port, a water inlet and a water outlet, the top of the upper valve port is provided with a valve cover, and a medium circulation channel between the water inlet and the water outlet is provided with a valve seat; the connecting rod penetrates through the valve cover and extends into the upper valve port, the connecting rod is connected with the valve rod through a buffer plate, a plurality of buffer springs are arranged on one side of the connecting rod, the outer side wall of the valve rod is sequentially sleeved with a return spring, a fixing plate with a through hole is arranged in the middle of the fixing plate, and the return spring is arranged close to the buffer plate; the valve core is arranged at the end part of one end of the valve rod far away from the fixed plate, the valve core is connected with the valve rod through a connector, the connector is a hollow cylinder with one closed end, and circular through holes are symmetrically formed in the side wall of the connector. The utility model discloses possess and play cushioning effect, the difficult rupture of valve rod, wearing and tearing to the water source, long service life's advantage.
Description
Technical Field
The utility model relates to a control valve field particularly, relates to a multi-functional water pump control valve.
Background
The control valve comprises a valve body and a piston positioned in the valve body, and is widely applied to pipe network systems such as urban liquid supply, building liquid supply, industrial liquid supply and drainage, water conservancy and agricultural irrigation liquid supply and drainage, fire-fighting liquid supply and drainage, heating ventilation air conditioning and the like. The multifunctional control valve integrates an electric valve, a check valve and water hammer silencing equipment, and has high safety and reliability and can meet the requirement of automatic control.
However, in the use process of the control valve, the pressure difference of media in the inlet and the outlet is easy to be too large to cause certain abrasion to the control valve, and the media in the water outlet is easy to flow backwards, so that the control valve is unstable in work, and the service life of the control valve is influenced.
SUMMERY OF THE UTILITY MODEL
For the technical problem who solves multi-functional water pump control valve's among the prior art water hammer phenomenon, refluence phenomenon, the utility model provides a multi-functional water pump control valve possesses difficult rupture of valve rod, wearing and tearing, long service life, plays the advantage of cushioning effect to water pressure.
In order to achieve the above object, the utility model adopts the following technical scheme:
a multifunctional water pump control valve comprises a three-way valve body and a valve rod, wherein the three-way valve body comprises an upper valve port, a water inlet, a water outlet and a connecting rod, a valve cover is arranged at the opening of the upper valve port, and a medium circulation channel between the water inlet and the water outlet is provided with a valve seat;
one end of the connecting rod penetrates through the valve cover and extends into the upper valve port, a buffer plate is connected between the end of the connecting rod and the valve rod, a plurality of buffer springs are connected between the buffer plate and the valve cover, a return spring and a fixing plate with a through hole in the middle are sequentially sleeved on the valve rod from one end, close to the connecting rod, to the other end, of the valve rod, and two ends of the return spring are respectively connected with the buffer plate and the fixing plate;
the valve rod is kept away from one end of the connecting rod is provided with a valve core, the valve core is connected with the valve rod through a connector, the connector is a hollow cylinder with one closed end, the open end of the connector penetrates through the valve core and faces the water inlet, and circular through holes are symmetrically formed in the side wall of the connector by taking the axis of the connector as a center.
Preferably, the valve core comprises an upper valve core, an annular middle valve core and a lower valve core which are provided with circulation through holes, the upper valve core, the middle valve core and the lower valve core are manufactured into a whole, a sandwich structure formed by the upper valve core, the middle valve core and the lower valve core is a circulation space, the circulation through holes of the upper valve core are communicated with the circulation space, the middle part of the upper valve core is provided with a first through hole for the connector to pass through, and the middle part of the lower valve core is provided with a second through hole for the connector to pass through.
Preferably, the central lines of the upper valve core, the middle valve core and the lower valve core are all coaxial.
Preferably, the closed end of the connector is connected with the valve rod in a welded mode, and the open end of the connector is connected with the first through hole and the second through hole in a sliding mode.
Preferably, the valve cover is connected with the upper valve port through a bolt.
Preferably, a hand wheel is arranged at one end of the connecting rod, which is exposed out of the valve cover, and the connecting rod is connected with the hand wheel in a welding manner.
Preferably, the side wall of the upper valve port is provided with a plurality of pressure relief holes, and the pressure relief holes are located between the buffer plate and the fixing plate.
Preferably, a circular baffle is sleeved outside the closed end of the connector.
The utility model has the advantages that:
(1) the buffer spring and the buffer plate supply buffer force to the valve rod, so that the valve rod is prevented from being worn and broken due to overlarge pressure of the water inlet, and the water hammer phenomenon is relieved;
(2) the valve core and the connector are arranged, so that the water source in the water inlet is partially divided, the abrasion to the valve core and the valve rod is reduced, and the service life of the control valve is prolonged;
(3) the pressure relief cavity is used for balancing the pressure difference inside and outside the valve body.
Drawings
Fig. 1 is a schematic structural diagram of a multifunctional water pump control valve in embodiment 1;
FIG. 2 is a partial enlarged view of portion A of FIG. 1;
fig. 3 is a schematic structural diagram of the connecting head in fig. 1 in a left side view.
Wherein: 11. an upper valve port 111, a buffer plate 112, a buffer spring 113, a pressure relief hole 12, a water inlet 13 and a water outlet; 2. a connecting rod; 3. a valve stem; 4. a valve cover; 5. a valve seat; 6. a valve core 61, an upper valve core 62, a middle valve core 63 and a lower valve core; 7. a connector; 8. a hand wheel; 9. a return spring; 10. and (7) fixing the plate.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
Referring to fig. 1 and 2, the embodiment discloses a multifunctional water pump control valve, which includes a three-way valve body and a valve rod 3, wherein the three-way valve body includes an upper valve port 11, a water inlet 12, a water outlet 13, and a connecting rod 2, an opening of the upper valve port 11 is provided with a valve cover 4, and a medium circulation channel between the water inlet 12 and the water outlet 13 is provided with a valve seat 5;
one end of the connecting rod 2 penetrates through the valve cover 4 and extends into the upper valve port 11, a buffer plate 111 is connected between the end of the connecting rod 2 and the valve rod 3, a plurality of buffer springs 112 are connected between the buffer plate 111 and the valve cover 4, a return spring 9 and a fixing plate 10 with a through hole in the middle are sequentially sleeved on the valve rod 3 from one end close to the connecting rod to the other end, and two ends of the return spring 9 are respectively connected with the buffer plate 111 and the fixing plate 10;
a valve core 6 is arranged at one end of the valve rod 3 far away from the connecting rod 2, the valve core 6 is connected with the valve rod 3 through a connector 7, the connector 7 is a hollow cylinder with one closed end, the open end of the connector 7 penetrates through the valve core 6 and is arranged towards the water inlet 12, please refer to fig. 3, and circular through holes are symmetrically arranged on the side wall of the connector 7 by taking the axis of the connector 6 as the center.
The valve core 6 comprises an upper valve core 61 provided with a through hole, an annular middle valve core 62 and a lower valve core 63, the upper valve core 61, the middle valve core 62 and the lower valve core 63 are integrated into a whole, a sandwich structure formed by the upper valve core 61, the middle valve core 62 and the lower valve core 63 is a through space 64, the through hole on the upper valve core 61 is communicated with the through space 64, a first through hole for the connector 6 to pass through is formed in the middle of the upper valve core 61, a second through hole for the connector 6 to pass through is formed in the middle of the lower valve core 63, and the central lines of the upper valve core 61, the middle valve core 62 and the lower valve core 63 are coaxial.
7 blind ends of connector and 3 welded connection of valve rod, 7 open ends of connector and first through-hole and the equal sliding connection of second through-hole.
The valve cover 4 is connected with the upper valve port 11 through a bolt.
The hand wheel 8 is arranged at one end of the connecting rod 2 exposed out of the valve cover, and the connecting rod 2 is connected with the hand wheel 8 in a welding mode, so that the connecting rod 2 can be rotated conveniently, and the operation is convenient and labor-saving.
The number of the buffer springs 112 in this embodiment is 2.
The outer diameter of the buffer plate 111 is equal to the inner diameter of the upper valve port 11.
The side wall of the upper valve port 11 is provided with a plurality of pressure relief holes 113, and the pressure relief holes 113 are located between the buffer plate 111 and the fixed plate 10.
A circular baffle 71 is sleeved outside the closed end of the connector 7.
The fixed plate 10 is welded to the inner side wall of the upper valve port 11. The pressure relief hole 113 is provided at a position offset from the position of the fixed plate 10.
The thicknesses and the outer diameters of the upper valve core 61, the middle valve core 62 and the lower valve core 63 are all equal. The connecting rod 2, the valve rod 3, the connector 7, the first through hole 611 and the second through hole 631 all have the same outer diameter.
The working principle is as follows:
the water source enters the three-way valve body through the water inlet 12, the valve core 6 is separated from the valve cover 4 due to the pressure difference between the water inlet 12 and the water outlet 13, the valve core 6 moves back and forth along the length direction of the valve rod 3, the valve core 6 can move up and down along the connector 7, the circular through hole in the connector 7 is communicated with the circulation space 64 in the valve core 6 in the movement process, part of the water source in the water inlet 12 enters the circulation through hole of the upper valve core 61 through the circulation space 64, and the water pressure of the water source in the water inlet 12 on the. In addition, the buffer plate 111 and the buffer spring 112 in the upper valve port 11 further slow down the impact force of the water pressure on the valve rod 3, reduce the pressure on the valve rod 3, and simultaneously avoid the water hammer phenomenon caused by the sudden opening and closing of the valve cover 4. The relief hole 113 can reduce the pressure difference between the inside and the outside of the valve body generated by the back-and-forth movement of the return spring 9.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (8)
1. A multifunctional water pump control valve comprises a three-way valve body and a valve rod, wherein the three-way valve body comprises an upper valve port, a water inlet and a water outlet, and is characterized by further comprising a connecting rod, a valve cover is arranged at an opening of the upper valve port, and a valve seat is arranged in a medium circulation channel between the water inlet and the water outlet;
one end of the connecting rod penetrates through the valve cover and extends into the upper valve port, a buffer plate is connected between the end of the connecting rod and the valve rod, a plurality of buffer springs are connected between the buffer plate and the valve cover, a return spring and a fixing plate with a through hole in the middle are sequentially sleeved on the valve rod from one end, close to the connecting rod, to the other end, of the valve rod, and two ends of the return spring are respectively connected with the buffer plate and the fixing plate;
the valve rod is kept away from one end of the connecting rod is provided with a valve core, the valve core is connected with the valve rod through a connector, the connector is a hollow cylinder with one closed end, the open end of the connector penetrates through the valve core and faces the water inlet, and circular through holes are symmetrically formed in the side wall of the connector by taking the axis of the connector as a center.
2. The multifunctional water pump control valve according to claim 1, wherein the valve core comprises an upper valve core, an annular middle valve core and a lower valve core, the upper valve core, the middle valve core and the lower valve core are provided with flow through holes, the upper valve core, the annular middle valve core and the lower valve core are integrated, a sandwich structure formed by the upper valve core, the middle valve core and the lower valve core is a flow space, the flow through holes of the upper valve core are all communicated with the flow space, the middle part of the upper valve core is provided with a first through hole for a connector to pass through, and the middle part of the lower valve core is provided with a second through hole for the connector.
3. The multifunctional water pump control valve of claim 2, wherein the centerlines of the upper, middle and lower spools are all coaxial.
4. The multifunctional water pump control valve according to claim 2 or 3, wherein the closed end of the connector is welded to the valve rod, and the open end of the connector is slidably connected to the first through hole and the second through hole.
5. The multifunctional water pump control valve of claim 1, wherein the valve cover is bolted to the upper valve port.
6. The multifunctional water pump control valve according to claim 1, wherein a hand wheel is disposed at an end of the connecting rod exposed out of the valve cover, and the connecting rod is welded to the hand wheel.
7. The multifunctional water pump control valve according to claim 1, wherein the side wall of the upper valve port is provided with a plurality of pressure relief holes, and the pressure relief holes are located between the buffer plate and the fixed plate.
8. The multifunctional water pump control valve according to claim 1, wherein a circular baffle is sleeved outside the closed end of the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921002159.1U CN210135064U (en) | 2019-06-27 | 2019-06-27 | Multifunctional water pump control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921002159.1U CN210135064U (en) | 2019-06-27 | 2019-06-27 | Multifunctional water pump control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210135064U true CN210135064U (en) | 2020-03-10 |
Family
ID=69707411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921002159.1U Expired - Fee Related CN210135064U (en) | 2019-06-27 | 2019-06-27 | Multifunctional water pump control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210135064U (en) |
-
2019
- 2019-06-27 CN CN201921002159.1U patent/CN210135064U/en not_active Expired - Fee Related
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| 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: 20200310 |