CN210135315U - Many orifices type water conservancy control valve - Google Patents
Many orifices type water conservancy control valve Download PDFInfo
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- CN210135315U CN210135315U CN201920990310.0U CN201920990310U CN210135315U CN 210135315 U CN210135315 U CN 210135315U CN 201920990310 U CN201920990310 U CN 201920990310U CN 210135315 U CN210135315 U CN 210135315U
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Abstract
The utility model discloses a multi-orifice water conservancy control valve, which comprises a three-way valve body, a valve cover, a piston, a valve rod and a valve sleeve; the three valve ports of the three-way valve body are respectively an upper valve port, a water inlet and a water outlet; the valve cover is arranged at the opening of the upper valve port, and a sliding rail arranged along the axis of the upper valve port is arranged on the inner side wall of the upper valve port; a top plate is arranged at an opening at the inner side of the valve cover, and a telescopic rod and a spring are connected between the top plate and the piston; a limiting cylinder which is connected with the side wall of the upper valve port and limits the piston is arranged on one side of the piston, which is far away from the top plate; the valve sleeve comprises a round cover plate and a sleeve, and a through hole for medium circulation is formed in the side wall of the sleeve; the medium circulation channel is internally provided with a valve seat, the sleeve is in sliding seal with the through hole of the valve seat, and the opening of the water outlet is provided with a baffle. The utility model discloses it is little to possess the outlet pressure who satisfies the valve body, effectively reduces rivers to the harm of valve body, and the valve body possesses the advantage of shock resistance.
Description
Technical Field
The utility model relates to a control valve field particularly, relates to a many orifice type hydraulic control valve.
Background
At present, a water conservancy control valve is a valve which is opened, closed and adjusted by taking pipeline medium pressure as power, is widely applied to aspects of building pipelines, industrial water supply, fire fighting facilities and the like, and is generally used for pressure reduction, pressure maintaining, flow adjustment and the like.
The hydraulic control valve who uses at present, because in the use, the water pressure at the water source of hydraulic control valve flows through is too big to be difficult to the outlet pressure of control valve body, outlet pressure is too big will cause the damage of valve body, pipeline.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that the hydraulic control valve exists in the prior art is difficult to control outlet pressure, the utility model provides a many orifice type hydraulic control valve, it is little to possess the outlet pressure who satisfies the valve body, effectively reduces the injury of export liquid to the valve body, and the valve body possesses the advantage of shock resistance.
In order to achieve the above object, the utility model adopts the following technical scheme:
a multi-orifice water conservancy control valve comprises a three-way valve body, a valve cover, a piston, a valve rod and a valve sleeve; the three valve ports of the three-way valve body are respectively an upper valve port, a water inlet and a water outlet, a channel between the water inlet and the water outlet is a medium circulation channel, and the upper valve port is vertical to the medium circulation channel; the valve cover is arranged at the opening of the upper valve port, a sliding rail arranged along the axis of the upper valve port is arranged on the inner side wall of the upper valve port, and the piston is connected with the sliding rail in a sliding manner and can slide on the sliding rail in a reciprocating manner along the axis of the upper valve port; a top plate is arranged at an opening at the inner side of the valve cover, and a telescopic rod and a spring are connected between the top plate and the piston; a limiting cylinder which is connected with the side wall of the upper valve port and limits the piston is arranged on one side of the piston away from the top plate, the axis of the limiting cylinder is overlapped with the axis of the telescopic rod, the outer side wall of the limiting cylinder is sealed with the inner side wall of the upper valve port, the valve rod is arranged on one side of the piston away from the top plate and is coaxial with the telescopic rod, and one end of the valve rod is detachably connected with the piston; the valve sleeve comprises a round cover plate and a sleeve, the other end of the valve rod extends out of the limiting cylinder and is detachably connected with the center of one side face of the round cover plate, the round cover plate is perpendicular to the valve rod, the sleeve is connected with the other side face of the round cover plate, the sleeve and the valve rod are coaxially arranged, and a through hole for medium circulation is formed in the side wall of the sleeve; the medium circulation passage is internally provided with a valve seat, the valve seat is connected with the inner wall of the medium circulation passage through a connecting plate, the valve seat is provided with a through hole for accommodating a sleeve, the sleeve is arranged in the through hole on the valve seat and can slide in the through hole in a reciprocating manner along the axial direction of the upper valve port, the sleeve and the through hole of the valve seat are sealed in a sliding manner, and the opening of the water outlet is provided with a baffle plate.
Preferably, the sleeve is a multi-layer hole type throttling sleeve formed by combining at least two layers of sub-sleeves, and the through hole on each layer of sub-sleeve on the multi-layer hole type throttling sleeve is a through hole or a conical through hole.
Preferably, the sleeve is a three-layer hole type throttling sleeve, two adjacent sub-sleeves of the three-layer hole type throttling sleeve are connected through a set screw, and the through holes in the three-layer hole type throttling sleeve are all conical through holes.
Preferably, the valve cover is an arc-shaped valve cover protruding towards one side far away from the upper valve port, an elastic pad matched with the arc shape of the valve cover is arranged on the inner side of the valve cover, and the elastic pad is in contact with the top plate.
Preferably, the valve rod is connected with the limiting cylinder in a sliding and sealing mode.
Preferably, the baffle is a round steel plate with a through hole.
The utility model has the advantages that:
(1) the sleeve is a multi-layer hole type throttling sleeve valve, so that when a water source flows through the sub-sleeves in different layers, the water source is divided into different small water sources through the through holes in the sub-sleeves, multi-stage turning and shunting are performed among the different sub-sleeves, the water source is divided, the kinetic energy of the water source is weakened, the cavitation strength is greatly reduced, and the pressure regulating and energy dissipating effects of the control valve are improved to a greater extent.
(2) The elastic cushion can slow down the impact of the water source on the three-way valve body and reduce the damage of the water source on the three-way valve body.
(3) The valve rod is connected with the limiting cylinder in a sliding and sealing mode, and the valve rod is prevented from being broken and broken under the impact action of a water source.
Drawings
Fig. 1 is a schematic view showing the construction of a multiple orifice type hydraulic control valve described in embodiment 1;
fig. 2 is a schematic structural view of the sleeve in fig. 1 in a bottom view.
Description of reference numerals:
101. an upper valve port 102, a water inlet 103 and a water outlet; 2. a valve cover; 3. a piston; 4. a valve stem; 5. a valve sleeve 51, a round cover plate 52 and a sleeve; 6. a slide rail; 7. a valve seat; 8. a top plate; 9. an elastic pad; 10. a telescopic rod; 11. a spring; 12. a limiting cylinder; 13. and a baffle plate.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the embodiment discloses a multi-orifice hydraulic control valve, which comprises a three-way valve body, a valve cover 2, a piston 3, a valve rod 4 and a valve sleeve 5; three valve ports of the three-way valve body are respectively an upper valve port 101, a water inlet 102 and a water outlet 103, a channel between the water inlet 102 and the water outlet 103 is a medium circulation channel, and the upper valve port 101 is vertical to the medium circulation channel; the valve cover 2 is arranged at the opening of the upper valve port 101, a sliding rail 6 arranged along the axis of the upper valve port 101 is arranged on the inner side wall of the upper valve port 101, and the piston 3 is connected with the sliding rail 6 in a sliding manner and can slide on the sliding rail 6 in a reciprocating manner along the axis of the upper valve port 101; a top plate 8 is arranged at an opening at the inner side of the valve cover 2, and a telescopic rod 10 and a spring 11 are connected between the top plate 8 and the piston 3; a limiting cylinder 12 which is connected with the side wall of the upper valve port 101 and limits the piston 3 is arranged on one side, far away from the top plate 8, of the piston 3, the axis of the limiting cylinder 12 is overlapped with the axis of the telescopic rod 10, the outer side wall of the limiting cylinder 12 is sealed with the inner side wall of the upper valve port 101, the valve rod 4 is arranged on one side, far away from the top plate 8, of the piston 3 and is coaxially arranged with the telescopic rod 10, and one end of the valve rod 4 is detachably connected with the piston 3; the valve sleeve 5 comprises a round cover plate 51 and a sleeve 52, the other end of the valve rod 4 extends out of the limiting cylinder 12 and is detachably connected with the center of one side face of the round cover plate 51, the round cover plate 51 is perpendicular to the valve rod 4, the sleeve 52 is connected with the other side face of the round cover plate 51, the sleeve 52 and the valve rod 4 are coaxially arranged, and a through hole for medium circulation is formed in the side wall of the sleeve 52; the medium circulation channel is internally provided with a valve seat 7, the valve seat 7 is connected with the inner wall of the medium circulation channel through a connecting plate, the valve seat 7 is provided with a through hole for accommodating the sleeve, the sleeve 52 is arranged in the through hole on the valve seat 7 and can slide in the through hole in a reciprocating manner along the axial direction of the upper valve port 101, the sleeve 52 is in sliding seal with the through hole of the valve seat 7, and the opening of the water outlet 103 is provided with a baffle 13.
The sleeve 52 is a multi-layer hole type throttling sleeve formed by combining at least two layers of sub-sleeves, and the through hole on each layer of sub-sleeve on the multi-layer hole type throttling sleeve is a through hole or a conical through hole.
As shown in fig. 2, the sleeve 52 in this embodiment is a three-layer orifice throttling sleeve, two adjacent sub-sleeves of the three-layer orifice throttling sleeve are connected by a set screw, and the through holes of the three-layer orifice throttling sleeve are all tapered through holes.
The inner diameter of the sub-sleeve in the three-layer hole type throttling sleeve is reduced from outside to inside in sequence. The through holes for medium circulation are positioned at the middle lower part of the sub-sleeves, and the positions of the medium circulation through holes on two adjacent sub-sleeves can be arranged at the same position or staggered mutually.
The valve cover 2 is an arc-shaped valve cover protruding towards one side far away from the upper valve port 101, an elastic pad 9 matched with the arc shape of the valve cover is arranged on the inner side of the valve cover 2, and the elastic pad 9 is in contact with the top plate 8.
The valve rod 4 is connected with the limiting cylinder 12 in a sliding and sealing mode.
The valve cover 2 is connected with the upper valve port 101 through bolts.
The limiting cylinder 12 is a cylinder with two through ends.
The baffle 13 is a round steel plate with through holes.
The diameter of the circular cover plate 51 is larger than the inner diameter of the valve seat 7, and the inner diameter of the valve seat 7 is larger than the outer diameter of the sleeve 52.
The working principle is as follows:
the water source enters the three-way valve body through the water inlet 102 and is discharged from the water outlet 103 through the valve sleeve 5, specifically, the water source at the bottom in the three-way valve body drives the valve sleeve 5, the valve rod 4 and the piston 3 to move towards the upper valve port 101 along with the increase of water in the water source, the spring 11 is extruded in the movement process of the valve sleeve 5, the valve rod 4 and the piston 3, and at the moment, the spring 11 and the telescopic rod 10 move towards the convex surface of the valve cover 2. Along with the valve sleeve 5 gradually moving towards the opening of the upper valve port 101, the through hole of the sleeve 52 is positioned above the valve seat 7, the water source in the valve sleeve 5 flows to the outer side wall of the sleeve 52 from the inner side wall of the sleeve 52, and the sleeve 52 is a multi-layer hole type throttling sleeve, so that the water source is divided into different small water sources when flowing through different layers of sub-sleeves, multi-stage turning is performed among different sub-sleeves, the water source after multi-stage turning has a pressure reduction effect, the water source flowing out of the sleeve 52 is divided, the kinetic energy is weakened, the cavitation strength is greatly reduced, and the pressure regulating and energy dissipating effects of the valve are improved to. When the water source is reduced, the water pressure generated by the water source is low, the valve sleeve 5 cannot be pushed to move towards the upper valve port 101, and the compressed spring 11 is under the action of restoring force, so that the medium flows in the direction of the medium flowing channel. In the process that the spring 11 is pressed to contract towards the top of the upper valve port 101, the elastic pad 9 positioned on the inner top of the valve cover 2 plays a role in buffering, the impact of a water source on the three-way valve body can be relieved, and the damage of the water source on the three-way valve body is reduced. The limiting cylinder 12 is connected with the valve rod 4 in a sliding and sealing mode, the valve rod 4 is prevented from being broken and broken under the impact action of a water source, meanwhile, the water source is prevented from entering the middle of the three-way valve body, and the sealing performance of the three-way valve body is improved.
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 (6)
1. A multi-orifice water conservancy control valve is characterized by comprising a three-way valve body, a valve cover, a piston, a valve rod and a valve sleeve; the three valve ports of the three-way valve body are respectively an upper valve port, a water inlet and a water outlet, a channel between the water inlet and the water outlet is a medium circulation channel, and the upper valve port is vertical to the medium circulation channel; the valve cover is arranged at the opening of the upper valve port, a sliding rail arranged along the axis of the upper valve port is arranged on the inner side wall of the upper valve port, and the piston is connected with the sliding rail in a sliding manner and can slide on the sliding rail in a reciprocating manner along the axis of the upper valve port; a top plate is arranged at an opening at the inner side of the valve cover, and a telescopic rod and a spring are connected between the top plate and the piston; a limiting cylinder which is connected with the side wall of the upper valve port and limits the piston is arranged on one side of the piston away from the top plate, the axis of the limiting cylinder is overlapped with the axis of the telescopic rod, the outer side wall of the limiting cylinder is sealed with the inner side wall of the upper valve port, the valve rod is arranged on one side of the piston away from the top plate and is coaxial with the telescopic rod, and one end of the valve rod is detachably connected with the piston; the valve sleeve comprises a round cover plate and a sleeve, the other end of the valve rod extends out of the limiting cylinder and is detachably connected with the center of one side face of the round cover plate, the round cover plate is perpendicular to the valve rod, the sleeve is connected with the other side face of the round cover plate, the sleeve and the valve rod are coaxially arranged, and a through hole for medium circulation is formed in the side wall of the sleeve; the medium circulation passage is internally provided with a valve seat, the valve seat is connected with the inner wall of the medium circulation passage through a connecting plate, the valve seat is provided with a through hole for accommodating a sleeve, the sleeve is arranged in the through hole on the valve seat and can slide in the through hole in a reciprocating manner along the axial direction of the upper valve port, the sleeve and the through hole of the valve seat are sealed in a sliding manner, and the opening of the water outlet is provided with a baffle plate.
2. The multiple orifice-type hydraulic control valve according to claim 1, wherein said sleeve is a multi-layer orifice-type throttling sleeve formed by combining at least two layers of sub-sleeves, and the through hole of each sub-sleeve of said multi-layer orifice-type throttling sleeve is a straight-through hole or a tapered through hole.
3. The multiple orifice hydraulic control valve of claim 2, wherein the sleeve is a three-layer orifice throttling sleeve, two adjacent subsleeves of the three-layer orifice throttling sleeve are connected by a set screw, and the through holes of the three-layer orifice throttling sleeve are all conical through holes.
4. The multiple orifice-type hydraulic control valve of claim 1, wherein the valve cover is an arc-shaped cover protruding to a side away from the upper valve port, and an elastic pad matching with the arc shape of the cover is provided on the inner side of the cover and contacts with the top plate.
5. The multiple orifice hydraulic control valve of claim 1, wherein the valve stem is in sliding sealing engagement with the stop cylinder.
6. The multiple orifice hydraulic control valve of claim 1, wherein the flapper is a round steel plate with through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990310.0U CN210135315U (en) | 2019-06-27 | 2019-06-27 | Many orifices type water conservancy control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990310.0U CN210135315U (en) | 2019-06-27 | 2019-06-27 | Many orifices type water conservancy control valve |
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| Publication Number | Publication Date |
|---|---|
| CN210135315U true CN210135315U (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920990310.0U Active CN210135315U (en) | 2019-06-27 | 2019-06-27 | Many orifices type water conservancy control valve |
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| Country | Link |
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| CN (1) | CN210135315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606420A (en) * | 2021-07-05 | 2021-11-05 | 阀安格水处理系统(太仓)有限公司 | Fixed energy dissipation device |
-
2019
- 2019-06-27 CN CN201920990310.0U patent/CN210135315U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606420A (en) * | 2021-07-05 | 2021-11-05 | 阀安格水处理系统(太仓)有限公司 | Fixed energy dissipation device |
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