CN112212064A - Water outlet control valve, water supply control system and control method - Google Patents
Water outlet control valve, water supply control system and control method Download PDFInfo
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- CN112212064A CN112212064A CN202010985968.XA CN202010985968A CN112212064A CN 112212064 A CN112212064 A CN 112212064A CN 202010985968 A CN202010985968 A CN 202010985968A CN 112212064 A CN112212064 A CN 112212064A
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- rod
- water outlet
- control valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The application provides a water outlet control valve, a water supply control system and a control method, wherein the water outlet control valve comprises a valve body, the valve body is provided with a buffer cavity, the buffer cavity is provided with a valve core, the valve body is provided with a control mechanism for driving the valve core to close and open the water outlet control valve, at least three sliding holes which are communicated with the buffer cavity and the outer side of the valve body are distributed on the periphery of the valve body, the sliding holes face the flow direction of water flow and are arranged obliquely, the sliding holes are provided with water retaining rods in a sliding manner, and when the water outlet control valve is opened, a torque reversing; when the water outlet control valve is closed, the moment reversing mechanism drives the water retaining rod to move towards the buffer cavity, and the water outlet control valve reduces the damage of the water hammer effect to the interface of the water outlet control valve and the valve core; the water blocking surfaces formed by the end parts of the water blocking rods are separated to achieve the effect of pressure relief; the torsion spring changes the elastic direction of the torsion spring along with the opening or closing state of the water outlet control valve so as to enable the water blocking rod to move along the drift diameter of the valve body.
Description
Technical Field
The application relates to the field of water supply equipment, in particular to a water outlet control valve, a water supply control system and a control method.
Background
Pump rooms are required to be built in living and production places such as large enterprises, water works, mines, power plants, residential areas and the like, and the requirements of production and living are met by installing water pumps of corresponding models; the pump house is a building provided with a water pump, a motor, a water pump control cabinet and other auxiliary equipment, is a main body of a water pump station project, and mainly plays a role in providing good working conditions for a water pump unit, the auxiliary equipment and operation management personnel.
The existing pump room comprises a water inlet, a water inlet pressure transmitter, an intelligent flow controller, a water quality detection system, a control system, a small flow pump, a low-pressure water supply pump, a high-pressure water supply pump and the like, wherein the control system of the pump room comprises a water outlet control valve.
However, when the outlet control valve is opened or closed, the connection pipe of the outlet control valve may be cracked and the valve core of the outlet control valve may be damaged due to the water hammer effect.
Disclosure of Invention
The application provides a water outlet control valve, a water supply control system and a control method, which aim to solve the technical problems that when the water outlet control valve is opened or closed, a connecting pipeline of the water outlet control valve is cracked and a valve core of the water outlet control valve is damaged due to a water hammer effect.
In order to achieve the above purpose, the embodiments of the present application adopt the following technical solutions:
in a first aspect, a water outlet control valve is provided, which comprises a valve body, at least three water retaining rods and at least three rotary reversing blocks;
a buffer cavity is arranged in the valve body, and a valve core is arranged in the buffer cavity; at least three sliding holes are distributed on the periphery of the valve body, are communicated with the buffer cavity and the outer side of the valve body and are obliquely arranged along the flowing direction of water flow;
the water blocking rod penetrates through the sliding hole, one end of the water blocking rod is arranged on the outer side of the valve body, and the other end of the water blocking rod is arranged in the buffer cavity; wherein, one end of the water bar is provided with a driving groove;
one end of the rotary reversing block is rotatably connected with the valve body through a clamp spring; the outer side of the other end of the rotary reversing block is provided with a driven tooth, and the inner side of the other end of the rotary reversing block is provided with a torsion spring and a rotating shaft; the rotating shaft is fixedly connected with the rotating reversing block, one end of the torsion spring is fixed on the rotating shaft and wound on the rotating shaft, and the other end of the torsion spring is arranged in the driving groove;
the valve body is also provided with a valve rod, and one end of the valve rod is rotatably connected with the valve body and fixedly connected with the valve core; the other end of the valve rod is connected with a trip rod, and the outer side of the trip rod is provided with a driving tooth;
and a double-sided toothed ring is arranged between the rotary reversing block and the valve rod and is used for driving the rotary reversing block to rotate when the valve rod rotates.
Further, the other ends of the water retaining rods form a water retaining surface in the buffer cavity for blocking water flow;
and the other end of the water retaining rod is provided with a limiting bulge.
Furthermore, one end of the valve body is provided with a water inlet connecting thread, and the other end of the valve body is provided with a water outlet connecting thread.
Further, the valve core is in a disc shape.
Furthermore, the sliding hole is communicated with one end of the buffer cavity and is provided with a limiting sliding groove, and the limiting protrusion slides in the limiting sliding groove.
The water outlet control valve comprises a valve body, at least three water retaining rods and at least three rotary reversing blocks; a buffer cavity is arranged in the valve body, and a valve core is arranged in the buffer cavity; at least three sliding holes are distributed on the periphery of the valve body, are communicated with the buffer cavity and the outer side of the valve body and are obliquely arranged along the flowing direction of water flow; the water blocking rod penetrates through the sliding hole, one end of the water blocking rod is arranged on the outer side of the valve body, and the other end of the water blocking rod is arranged in the buffer cavity; wherein, one end of the water bar is provided with a driving groove; one end of the rotary reversing block is rotatably connected with the valve body through a clamp spring; the outer side of the other end of the rotary reversing block is provided with a driven tooth, and the inner side of the other end of the rotary reversing block is provided with a torsion spring and a rotating shaft; the rotating shaft is fixedly connected with the rotating reversing block, one end of the torsion spring is fixed on the rotating shaft and wound on the rotating shaft, and the other end of the torsion spring is arranged in the driving groove; the valve body is also provided with a valve rod, and one end of the valve rod is rotatably connected with the valve body and fixedly connected with the valve core; the other end of the valve rod is connected with a trip rod, and the outer side of the trip rod is provided with a driving tooth; and a double-sided toothed ring is arranged between the rotary reversing block and the valve rod and is used for driving the rotary reversing block to rotate when the valve rod rotates. The damage of the water hammer effect to the interface of the water outlet control valve and the valve core is reduced by the water outlet control valve, and the connection and operation reliability of the water outlet control valve is improved; the end parts of the water retaining rods jointly form a water retaining surface for buffering the impact force of the water hammer, and the water retaining surfaces can be separated after offsetting the impact of the water hammer part so as to achieve the effect of pressure relief; the torsion spring changes the elastic direction of the torsion spring along with the opening or closing state of the water outlet control valve so that the water blocking rod moves outwards after the water outlet control valve is opened to reduce the influence on the drift diameter of the valve body.
In a second aspect, a water supply control system, and an effluent control valve of the first aspect. The water outlet control valve comprises a valve body, at least three water retaining rods and at least three rotary reversing blocks;
a buffer cavity is arranged in the valve body, and a valve core is arranged in the buffer cavity; at least three sliding holes are distributed on the periphery of the valve body, are communicated with the buffer cavity and the outer side of the valve body and are obliquely arranged along the flowing direction of water flow;
the water blocking rod penetrates through the sliding hole, one end of the water blocking rod is arranged on the outer side of the valve body, and the other end of the water blocking rod is arranged in the buffer cavity; wherein, one end of the water bar is provided with a driving groove;
one end of the rotary reversing block is rotatably connected with the valve body through a clamp spring; the outer side of the other end of the rotary reversing block is provided with a driven tooth, and the inner side of the other end of the rotary reversing block is provided with a torsion spring and a rotating shaft; the rotating shaft is fixedly connected with the rotating reversing block, one end of the torsion spring is fixed on the rotating shaft and wound on the rotating shaft, and the other end of the torsion spring is arranged in the driving groove;
the valve body is also provided with a valve rod, and one end of the valve rod is rotatably connected with the valve body and fixedly connected with the valve core; the other end of the valve rod is connected with a trip rod, and the outer side of the trip rod is provided with a driving tooth;
and a double-sided toothed ring is arranged between the rotary reversing block and the valve rod and is used for driving the rotary reversing block to rotate when the valve rod rotates.
Further, the other ends of the water retaining rods form a water retaining surface in the buffer cavity for blocking water flow;
and the other end of the water retaining rod is provided with a limiting bulge.
Furthermore, one end of the valve body is provided with a water inlet connecting thread, and the other end of the valve body is provided with a water outlet connecting thread.
Further, the valve core is in a disc shape.
Furthermore, the sliding hole is communicated with one end of the buffer cavity and is provided with a limiting sliding groove, and the limiting protrusion slides in the limiting sliding groove.
Further, the water supply control system comprises a control mechanism and a torque reversing mechanism;
the control mechanism is used for driving the valve core to open or close;
when the water outlet control valve is opened, the moment reversing mechanism drives the water retaining rod to move towards the outer side of the valve body;
when the water outlet control valve is closed, the moment reversing mechanism drives the water retaining rod to move towards the buffer cavity.
Further, the control mechanism includes the valve stem;
the control mechanism drives the torque conversion mechanism to rotate through the rotation of the valve rod, and drives the valve core to be opened or closed.
Further, the torque reversing mechanism comprises the driving tooth, the double-sided toothed ring, the driven tooth and the rotating reversing block;
the control mechanism drives the driving tooth to rotate, the driving tooth drives the double-sided toothed ring to enable the rotating reversing block to rotate, and the rotating reversing block rotates to change the force application direction of the torsion spring.
The application provides a water supply control system, which comprises a water outlet control valve, wherein the water outlet control valve comprises a control mechanism and a torque reversing mechanism; the control mechanism is used for driving the valve core to open or close; when the water outlet control valve is opened, the moment reversing mechanism drives the water retaining rod to move towards the outer side of the valve body; when the water outlet control valve is closed, the moment reversing mechanism drives the water retaining rod to move towards the buffer cavity. The damage of the water hammer effect to the interface of the water outlet control valve and the valve core is reduced by the water outlet control valve, and the connection and operation reliability of the water outlet control valve is improved; the end parts of the water retaining rods jointly form a water retaining surface for buffering the impact force of the water hammer, and the water retaining surfaces can be separated after offsetting the impact of the water hammer part so as to achieve the effect of pressure relief; the torsion spring changes the elastic direction of the torsion spring along with the opening or closing state of the water outlet control valve so that the water blocking rod moves outwards after the water outlet control valve is opened to reduce the influence on the drift diameter of the valve body.
In a third aspect, a water supply control method is applied to the water supply control system of the second aspect, and the method includes:
measuring the water pressure and flow rate at the output end of the water control valve;
selecting the quantity of water retaining rods of the water outlet control valve according to the water pressure and the flow rate, and setting the elastic moment of a torsion spring according to the water pressure and the flow rate;
when the water outlet control valve is closed, the water blocking surface is dispersed into planes at the ends of at least three water blocking rods, and a pressure relief channel is provided by a gap between adjacent water blocking rods; the buffer space of the buffer cavity provides a pressure relief space, so that the pressure born by the valve core is reduced;
when the water outlet control valve is opened, the pulling rod is rotated to drive the driving tooth to rotate, the driving tooth drives the double-sided toothed ring to enable the rotating reversing block to rotate, and the rotating reversing block rotates to change the force application direction of the torsion spring to pull the water blocking rod out of the buffer cavity.
According to the water supply control method, the water pressure and the flow rate of the output end of the water control valve are measured; selecting the quantity of water retaining rods of the water outlet control valve according to the water pressure and the flow rate, and setting the elastic moment of a torsion spring according to the water pressure and the flow rate; when the water outlet control valve is closed, the water blocking surface is dispersed into planes at the ends of at least three water blocking rods, and a pressure relief channel is provided by a gap between adjacent water blocking rods; the buffer space of the buffer cavity provides a pressure relief space, so that the pressure born by the valve core is reduced; when the water outlet control valve is opened, the pulling rod is rotated to drive the driving tooth to rotate, the driving tooth drives the double-sided toothed ring to enable the rotating reversing block to rotate, and the rotating reversing block rotates to change the force application direction of the torsion spring to pull the water blocking rod out of the buffer cavity. The damage of the water hammer effect to the interface of the water outlet control valve and the valve core is reduced by the water outlet control valve, and the connection and operation reliability of the water outlet control valve is improved; the end parts of the water retaining rods jointly form a water retaining surface for buffering the impact force of the water hammer, and the water retaining surfaces can be separated after offsetting the impact of the water hammer part so as to achieve the effect of pressure relief; the torsion spring changes the elastic direction of the torsion spring along with the opening or closing state of the water outlet control valve so that the water blocking rod moves outwards after the water outlet control valve is opened to reduce the influence on the drift diameter of the valve body.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of an effluent control valve according to an embodiment of the present application;
FIG. 2 is an axial cross-sectional view of a valve body of an effluent control valve according to an embodiment of the present application;
FIG. 3 is an enlarged view taken at I of FIG. 2 of the present application;
wherein: 1-a valve body; 2-a water retaining rod; 3-rotating the reversing block; 4-driven teeth; 5-a rotating shaft; 6-torsion spring; 7-double-sided toothed ring; 8-valve stem; 9-driving teeth; 10-pulling the rod; 11-a first card slot; 12-a second card slot; 13-a clamp spring; 14-a limit bump; 15-limiting sliding chute; 16-a valve core; 17-water inlet connecting thread; 18-water outlet connecting screw thread; 19-water retaining surface; 20-a buffer chamber; 21-a sliding hole; 22-drive the trough.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present application is described in further detail below with reference to the attached drawing figures:
the embodiment of the application provides a water outlet control valve, and as shown in fig. 1, the water outlet control valve comprises a valve body 1, at least three water blocking rods 2 and at least three rotating reversing blocks 3.
The valve comprises a valve body 1 and is characterized in that a buffer cavity 20 is formed in the valve body 1, a valve core 16 is arranged in the buffer cavity 20, and the valve core 16 is in a circular plate shape. The periphery of the valve body 1 is distributed with at least three sliding holes 21, and the sliding holes 21 are communicated with the buffer cavity 20 and the outer side of the valve body 1 and are obliquely arranged along the flowing direction of water flow.
The water retaining rod 2 penetrates through the sliding hole 21, one end of the water retaining rod 2 is arranged on the outer side of the valve body 1, and the other end of the water retaining rod 2 is arranged in the buffer cavity 20; wherein, one end of the water bar 2 is provided with a driving groove 22.
One end of the rotary reversing block 3 is rotatably connected with the valve body 1 through a clamp spring 13; the outer side of the other end of the rotary reversing block 3 is provided with a driven tooth 4, and the inner side of the other end of the rotary reversing block 3 is provided with a torsion spring 6 and a rotating shaft 5; the pivot 5 with rotate the 3 fixed connection of switching-over piece, 6 one end of torsional spring is fixed pivot 5, and the winding is in on the pivot 5, the other end is located in drive groove 22.
The valve body 1 is also provided with a valve rod 8, and one end of the valve rod 8 is rotatably connected with the valve body 1 and is fixedly connected with the valve core 16; the other end of the valve rod 8 is connected with a trip rod 10, and the outer side of the trip rod is provided with a driving tooth 9; and a double-sided toothed ring 7 is arranged between the rotary reversing block 3 and the valve rod 8 and is used for driving the rotary reversing block 3 to rotate when the valve rod 8 rotates.
The other ends of the water retaining rods 2 form a water retaining surface 19 in the buffer cavity 20 for blocking the water flow; and the other end of the water retaining rod 2 is provided with a limiting bulge 14. One end of the sliding hole 21 communicated with the buffer cavity 20 is provided with a limiting sliding groove 15, and the limiting protrusion 14 slides in the limiting sliding groove 15.
One end of the valve body 1 is provided with a water inlet connecting thread 17, and the other end is provided with a water outlet connecting thread 18.
Referring to fig. 2, when the water outlet control valve is closed, water flow rapidly impacts a water blocking surface 19 formed by the end portions of the water blocking rods 2 due to a water hammer effect, the water blocking rods 2 are opened after a part of the impact force is consumed, a part of the water flow enters a buffer cavity 20, and the buffer cavity 20 buffers and decompresses a small amount of the entering water flow to reduce the impact on the valve core 16.
When the water outlet control valve is switched from a closed state to an open state, the trip rod 10 is rotated to drive the valve rod 8 to rotate so as to rotate the valve core 16, so that the valve core is opened; in the process of rotating the trip lever 10 to drive the valve rod 8 to rotate, the driving tooth 9 drives the double-sided toothed ring 7 to rotate, the double-sided toothed ring 7 drives the driven teeth 4 to rotate 180 degrees, so that the directions of the elasticity of the torsion springs 6 are opposite, the water blocking rods 2 all slide outwards under the action of the elasticity of the torsion springs 6, and the blocking of the water blocking rods 2 to water flow is removed under the normal opening state of the water outlet control valve. The process is reversed when the water outlet control valve is closed, at which time the water bar 2's blocking action on the water flow dampens the damaging effect of the water hammer effect on the valve core 16.
The limiting bulge 14 is matched with the limiting sliding groove 15 to limit the limiting position of the outward sliding of the water retaining rod 2, and the water retaining rod 2 is prevented from being separated from the valve body 1.
Referring to fig. 3, the rotary reversing block 3 is rotatably connected to the valve body 1, and the rotary reversing block 3 and the valve body 1 are respectively provided with a first clamping groove 11 and a second clamping groove 12, which are rotatably connected by a clamp spring 13.
The water outlet control valve comprises a valve body 1, at least three water retaining rods 2 and at least three rotating reversing blocks 3; a buffer cavity 20 is arranged inside the valve body 1, and a valve core 16 is arranged in the buffer cavity 20; at least three sliding holes 21 are distributed on the peripheral side of the valve body 1, and the sliding holes 21 are communicated with the buffer cavity 20 and the outer side of the valve body 1 and are obliquely arranged along the water flow direction; the water retaining rod 2 penetrates through the sliding hole 21, one end of the water retaining rod 2 is arranged on the outer side of the valve body 1, and the other end of the water retaining rod 2 is arranged in the buffer cavity 20; wherein, one end of the water bar 2 is provided with a driving groove 22; one end of the rotary reversing block 3 is rotatably connected with the valve body 1 through a clamp spring 13; the outer side of the other end of the rotary reversing block 3 is provided with a driven tooth 4, and the inner side of the other end of the rotary reversing block 3 is provided with a torsion spring 6 and a rotating shaft 5; the rotating shaft 5 is fixedly connected with the rotating reversing block 3, one end of the torsion spring 6 is fixed on the rotating shaft 5 and wound on the rotating shaft 5, and the other end of the torsion spring is arranged in the driving groove 22; the valve body 1 is also provided with a valve rod 8, and one end of the valve rod 8 is rotatably connected with the valve body 1 and is fixedly connected with the valve core 16; the other end of the valve rod 8 is connected with a trip rod 10, and the outer side of the trip rod is provided with a driving tooth 9; and a double-sided toothed ring 7 is arranged between the rotary reversing block 3 and the valve rod 8 and is used for driving the rotary reversing block 3 to rotate when the valve rod 8 rotates. The damage of the water hammer effect to the interface of the water outlet control valve and the valve core 16 is reduced by the water outlet control valve, and the connection and operation reliability of the water outlet control valve is improved; the end parts of the water retaining rods 2 jointly form a water retaining surface 19 for buffering the impact force of the water hammer, and the water retaining surfaces can be separated after offsetting the impact of the water hammer part to achieve the effect of pressure relief; the torsion spring 6 changes the elastic direction along with the opening or closing state of the water outlet control valve so that the water blocking rod 2 moves outwards after the water outlet control valve is opened to reduce the influence on the drift diameter of the valve body 1.
The embodiment of the application also provides a water supply control system, which comprises a water outlet control valve, wherein the water outlet control valve comprises a valve body 1, at least three water retaining rods 2 and at least three rotary reversing blocks 3;
the valve comprises a valve body 1 and is characterized in that a buffer cavity 20 is formed in the valve body 1, a valve core 16 is arranged in the buffer cavity 20, and the valve core 16 is in a circular plate shape. The periphery of the valve body 1 is distributed with at least three sliding holes 21, and the sliding holes 21 are communicated with the buffer cavity 20 and the outer side of the valve body 1 and are obliquely arranged along the flowing direction of water flow.
The water blocking rod 2 penetrates through the sliding hole 21 and is connected with the sliding hole in a sliding mode, one end of the water blocking rod 2 is arranged on the outer side of the valve body 1, and the other end of the water blocking rod 2 is arranged in the buffer cavity 20; when the water outlet control valve is opened, the water blocking rod 2 moves towards the outer side of the valve body 1, and when the water outlet control valve is closed, the water blocking rod 2 moves towards the inside of the buffer cavity 20; wherein, one end of the water bar 2 is provided with a driving groove 22.
One end of the rotary reversing block 3 is rotatably connected with the valve body 1 through a clamp spring 13; the outer side of the other end of the rotary reversing block 3 is provided with a driven tooth 4, and the inner side of the other end of the rotary reversing block 3 is provided with a torsion spring 6 and a rotating shaft 5; the pivot 5 with rotate the 3 fixed connection of switching-over piece, 6 one end of torsional spring is fixed pivot 5, and the winding is in on the pivot 5, the other end is located in drive groove 22.
The valve body 1 is also provided with a valve rod 8, and one end of the valve rod 8 is rotatably connected with the valve body 1 and is fixedly connected with the valve core 16; the other end of the valve rod 8 is connected with a trip rod 10, and the outer side of the trip rod is provided with a driving tooth 9; and a double-sided toothed ring 7 is arranged between the rotary reversing block 3 and the valve rod 8 and is used for driving the rotary reversing block 3 to rotate when the valve rod 8 rotates.
The other ends of the water retaining rods 2 jointly form a water retaining surface 19 in the buffer cavity 20 for blocking the flow of water; and the other end of the water retaining rod 2 is provided with a limiting bulge 14. One end of the sliding hole 21 communicated with the buffer cavity 20 is provided with a limiting sliding groove 15, and the limiting protrusion 14 slides in the limiting sliding groove 15.
The valve rod 8 constitutes the control mechanism; the control mechanism drives the torque conversion mechanism to rotate through the rotation of the valve rod 8, and drives the valve core 16 to be opened or closed.
The driving tooth 9, the double-sided toothed ring 7, the driven tooth 4 and the rotary reversing block 3 form the torque reversing mechanism; the control mechanism drives the driving gear 9 to rotate, the driving gear 9 drives the double-sided toothed ring 7 to enable the rotating reversing block 3 to rotate, and the rotating reversing block 3 rotates to change the force application direction of the torsion spring 6.
The control mechanism is used for driving the valve core 16 to open or close; when the water outlet control valve is opened, the moment reversing mechanism drives the water retaining rod 2 to move towards the outer side of the valve body 1; when the water outlet control valve is closed, the moment reversing mechanism drives the water retaining rod 2 to move towards the buffer cavity 20.
Referring to fig. 2, when the water outlet control valve is closed, water flow rapidly impacts a water blocking surface 19 formed by the end portions of the water blocking rods 2 due to a water hammer effect, the water blocking rods 2 are opened after a part of the impact force is consumed, a part of the water flow enters a buffer cavity 20, and the buffer cavity 20 buffers and decompresses a small amount of the entering water flow to reduce the impact on the valve core 16.
When the water outlet control valve is switched from a closed state to an open state, the trip rod 10 is rotated to drive the valve rod 8 to rotate so as to rotate the valve core 16, so that the valve core is opened; in the process of rotating the trip lever 10 to drive the valve rod 8 to rotate, the driving tooth 9 drives the double-sided toothed ring 7 to rotate, the double-sided toothed ring 7 drives the driven teeth 4 to rotate 180 degrees, so that the directions of the elasticity of the torsion springs 6 are opposite, the water blocking rods 2 all slide outwards under the action of the elasticity of the torsion springs 6, and the blocking of the water blocking rods 2 to water flow is removed under the normal opening state of the water outlet control valve. The process is reversed when the water outlet control valve is closed, at which time the water bar 2's blocking action on the water flow dampens the damaging effect of the water hammer effect on the valve core 16.
The limiting bulge 14 is matched with the limiting sliding groove 15 to limit the limiting position of the outward sliding of the water retaining rod 2, and the water retaining rod 2 is prevented from being separated from the valve body 1.
Referring to fig. 3, the rotary reversing block 3 is rotatably connected to the valve body 1, and the rotary reversing block 3 and the valve body 1 are respectively provided with a first clamping groove 11 and a second clamping groove 12, which are rotatably connected by a clamp spring 13.
According to the water supply control system, the water supply control system comprises a water outlet control valve, and a control mechanism and a torque reversing mechanism are formed; the control mechanism is used for driving the valve core 16 to open or close; when the water outlet control valve is opened, the moment reversing mechanism drives the water retaining rod 2 to move towards the outer side of the valve body 1; when the water outlet control valve is closed, the moment reversing mechanism drives the water retaining rod 2 to move towards the buffer cavity 20. The damage of the water hammer effect to the interface of the water outlet control valve and the valve core 16 is reduced by the water outlet control valve, and the connection and operation reliability of the water outlet control valve is improved; the end parts of the water retaining rods 2 jointly form a water retaining surface 19 for buffering the impact force of the water hammer, and the water retaining surfaces can be separated after offsetting the impact of the water hammer part to achieve the effect of pressure relief; the torsion spring 6 changes the elastic direction along with the opening or closing state of the water outlet control valve so that the water blocking rod 2 moves outwards after the water outlet control valve is opened to reduce the influence on the drift diameter of the valve body 1.
In a third aspect, a water supply control method is applied to the water supply control system of the second aspect, and the method includes:
measuring the water pressure and flow rate at the output end of the water control valve;
selecting the number of water retaining rods 2 of the water outlet control valve according to the water pressure and the flow rate, and setting the elastic moment of a torsion spring 6 according to the water pressure and the flow rate;
when the water outlet control valve is closed, the water blocking surfaces 19 are dispersed into planes of the ends of at least three water blocking rods 2, and gaps between adjacent water blocking rods 2 provide pressure relief channels; the buffer space of the buffer chamber 20 provides a relief space to reduce the pressure experienced by the spool 16. The method specifically comprises the following steps: the water flow generated based on the water hammer effect instantaneously impacts the water retaining surface 19, the water retaining surface 19 bears the instantaneous impact of the water flow and retreats towards the direction of the valve core 16, and at the moment, the water retaining surface 19 is dispersed into planes of at least three water retaining rods 2 and offsets partial impact pressure of the water flow in the process; in the process that the water blocking rods 2 move obliquely outwards, gaps between the adjacent water blocking rods 2 are increased, and a pressure relief channel is provided for a part of impact water flow, so that a part of impact water flow can enter the buffer cavity 20 through the channel; the buffer cavity 20 has a larger buffer space, which provides a pressure relief space for the entering part of the impact water flow, and reduces the pressure born by the valve core 16;
when the water outlet control valve is opened, the trip rod 10 is rotated to drive the driving tooth 9 to rotate, the driving tooth 9 drives the double-sided toothed ring 7 to rotate the rotating reversing block 3, and the rotating reversing block 3 rotates to change the force application direction of the torsion spring 6, so that the water blocking rod 2 is pulled out of the buffer cavity 20. The method specifically comprises the following steps: the driving tooth 9 is driven to rotate by rotating the trip rod 10, the driving tooth 9 drives the double-sided toothed ring 7 to enable the rotating reversing block 3 to rotate, and the rotating reversing block 3 rotates to change the force application direction of the torsion spring 6 so as to pull the water blocking rod 2 out of the buffer cavity 20 and prevent the water blocking rod 2 from blocking the flow of water flow.
According to the water supply control method, the water pressure and the flow rate of the output end of the water control valve are measured; selecting the number of water retaining rods 2 of the water outlet control valve according to the water pressure and the flow rate, and setting the elastic moment of a torsion spring 6 according to the water pressure and the flow rate; when the water outlet control valve is closed, the water blocking surfaces 19 are dispersed into planes of the ends of at least three water blocking rods 2, and gaps between adjacent water blocking rods 2 provide pressure relief channels; the buffer space of the buffer cavity 20 provides a pressure relief space, so that the pressure born by the valve core 16 is reduced; when the water outlet control valve is opened, the trip rod 10 is rotated to drive the driving tooth 9 to rotate, the driving tooth 9 drives the double-sided toothed ring 7 to rotate the rotating reversing block 3, and the rotating reversing block 3 rotates to change the force application direction of the torsion spring 6, so that the water blocking rod 2 is pulled out of the buffer cavity 20. The damage of the water hammer effect to the interface of the water outlet control valve and the valve core 16 is reduced by the water outlet control valve, and the connection and operation reliability of the water outlet control valve is improved; the end parts of the water retaining rods 2 jointly form a water retaining surface 19 for buffering the impact force of the water hammer, and the water retaining surfaces can be separated after offsetting the impact of the water hammer part to achieve the effect of pressure relief; the torsion spring 6 changes the elastic direction along with the opening or closing state of the water outlet control valve so that the water blocking rod 2 moves outwards after the water outlet control valve is opened to reduce the influence on the drift diameter of the valve body 1.
The above-mentioned contents are only for explaining the technical idea of the present application, and the protection scope of the present application is not limited thereby, and any modification made on the basis of the technical idea presented in the present application falls within the protection scope of the claims of the present application.
Additionally, the order in which elements and sequences of the processes described herein are processed, the use of alphanumeric characters, or the use of other designations, is not intended to limit the order of the processes and methods described herein, unless explicitly claimed. While various presently contemplated embodiments have been discussed in the foregoing disclosure by way of example, it should be understood that such detail is solely for that purpose and that the appended claims are not limited to the disclosed embodiments, but, on the contrary, are intended to cover all modifications and equivalent arrangements that are within the spirit and scope of the embodiments herein. For example, although the system components described above may be implemented by hardware devices, they may also be implemented by software-only solutions, such as installing the described system on an existing server or mobile device.
Similarly, it should be noted that in the preceding description of embodiments of the application, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to require more features than are expressly recited in the claims. Indeed, the embodiments may be characterized as having less than all of the features of a single embodiment disclosed above.
The entire contents of each patent, patent application publication, and other material cited in this application, such as articles, books, specifications, publications, documents, and the like, are hereby incorporated by reference into this application. Except where the application is filed in a manner inconsistent or contrary to the present disclosure, and except where the claim is filed in its broadest scope (whether present or later appended to the application) as well. It is noted that the descriptions, definitions and/or use of terms in this application shall control if they are inconsistent or contrary to the statements and/or uses of the present application in the material attached to this application.
Claims (10)
1. A water outlet control valve is characterized by comprising a valve body, at least three water retaining rods and at least three rotary reversing blocks;
a buffer cavity is arranged in the valve body, and a valve core is arranged in the buffer cavity; at least three sliding holes are distributed on the periphery of the valve body, are communicated with the buffer cavity and the outer side of the valve body and are obliquely arranged along the flowing direction of water flow;
the water blocking rod penetrates through the sliding hole, one end of the water blocking rod is arranged on the outer side of the valve body, and the other end of the water blocking rod is arranged in the buffer cavity; wherein, one end of the water bar is provided with a driving groove;
one end of the rotary reversing block is rotatably connected with the valve body through a clamp spring; the outer side of the other end of the rotary reversing block is provided with a driven tooth, and the inner side of the other end of the rotary reversing block is provided with a torsion spring and a rotating shaft; the rotating shaft is fixedly connected with the rotating reversing block, one end of the torsion spring is fixed on the rotating shaft and wound on the rotating shaft, and the other end of the torsion spring is arranged in the driving groove;
the valve body is also provided with a valve rod, and one end of the valve rod is rotatably connected with the valve body and fixedly connected with the valve core; the other end of the valve rod is connected with a trip rod, and the outer side of the trip rod is provided with a driving tooth;
and a double-sided toothed ring is arranged between the rotary reversing block and the valve rod and is used for driving the rotary reversing block to rotate when the valve rod rotates.
2. The water outlet control valve according to claim 1, wherein the other ends of the plurality of water blocking bars form a water blocking surface in the buffer chamber for blocking the flow of water;
and the other end of the water retaining rod is provided with a limiting bulge.
3. The water outlet control valve according to claim 1, wherein the valve body is provided with a water inlet connection thread at one end and a water outlet connection thread at the other end.
4. An effluent control valve according to claim 1 wherein the valve core is disc shaped.
5. The water outlet control valve according to claim 2, wherein a limit sliding groove is formed at one end of the sliding hole, which is communicated with the buffer cavity, and the limit protrusion slides in the limit sliding groove.
6. A water supply control system comprising an effluent control valve according to any one of claims 1 to 5.
7. The water supply control system of claim 6, comprising a control mechanism, a torque reversing mechanism;
the control mechanism is used for driving the valve core to open or close;
when the water outlet control valve is opened, the moment reversing mechanism drives the water retaining rod to move towards the outer side of the valve body;
when the water outlet control valve is closed, the moment reversing mechanism drives the water retaining rod to move towards the buffer cavity.
8. The water supply control system of claim 7 wherein said control mechanism includes said valve stem;
the control mechanism drives the torque conversion mechanism to rotate through the rotation of the valve rod, and drives the valve core to be opened or closed.
9. The water supply control system of claim 7 wherein the torque reversing mechanism comprises the driving gear, the double-sided toothed ring, the driven gear, the rotating reversing block;
the control mechanism drives the driving tooth to rotate, the driving tooth drives the double-sided toothed ring to enable the rotating reversing block to rotate, and the rotating reversing block rotates to change the force application direction of the torsion spring.
10. A water supply control method applied to the water supply control system according to claim 6, characterized by comprising:
measuring the water pressure and flow rate at the output end of the water control valve;
selecting the quantity of water retaining rods of the water outlet control valve according to the water pressure and the flow rate, and setting the elastic moment of a torsion spring according to the water pressure and the flow rate;
when the water outlet control valve is closed, the water blocking surface is dispersed into planes at the ends of at least three water blocking rods, and a pressure relief channel is provided by a gap between adjacent water blocking rods; the buffer space of the buffer cavity provides a pressure relief space, so that the pressure born by the valve core is reduced;
when the water outlet control valve is opened, the pulling rod is rotated to drive the driving tooth to rotate, the driving tooth drives the double-sided toothed ring to enable the rotating reversing block to rotate, and the rotating reversing block rotates to change the force application direction of the torsion spring to pull the water blocking rod out of the buffer cavity.
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| CN202010985968.XA CN112212064B (en) | 2020-09-18 | 2020-09-18 | Water outlet control valve, water supply control system and control method |
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| CN202010985968.XA CN112212064B (en) | 2020-09-18 | 2020-09-18 | Water outlet control valve, water supply control system and control method |
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| CN112212064B (en) | 2022-06-03 |
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