CN108953641B - Water control valve capable of accurately controlling flow - Google Patents

Abstract

The invention discloses a water control valve capable of accurately controlling flow, and relates to the technical field of water control valves. This water control valve door of accurate control flow, including leading water pipe, elevating system, conduction mechanism and sealing mechanism, the both ends symmetry fixedly connected with ring flange of leading water pipe, first opening has been seted up in the centre at leading water pipe top, the first sealing washer of first opening part fixedly connected with, the centre fixedly connected with brace table at leading water pipe top, the centre fixedly connected with support column at brace table top, first rotating groove has been seted up in the centre at brace table top, attack the screw thread in four sides fixedly connected with of rotating inslot wall, the centre fixedly connected with spacing post at brace table top, the second rotating groove has been seted up in the centre at spacing post top. This accuse water valve of accurate control flow through the cooperation work of the electric putter, first bearing, seal chamber, axis of rotation, first stopper, motor, straight spout, the fixture block that set up, reaches the effect of cooperation accurate lift axis of rotation, provides necessary basis for the accurate leading water pipe that seals.

Description

A water control valve for precise flow control

technical field

The invention relates to the technical field of water control valves, in particular to a water control valve for accurately controlling flow.

Background technique

A valve is a device used to control the direction, pressure and flow of a fluid in a fluid system. It is a device that enables or stops the medium (liquid, gas, powder) in the piping and equipment and can control its flow.

The valve is a control component in the pipeline fluid conveying system, which is used to change the passage section and the flow direction of the medium, and has the functions of diversion, cut-off, throttling, non-return, shunt or overflow and pressure relief. Valves used for fluid control, from the simplest shut-off valve to various valves used in extremely complex automatic control systems, have a wide range of varieties and specifications. The nominal diameter of the valve ranges from a very small instrument valve to a large diameter of 10m Valves for industrial pipelines. It can be used to control the flow of various types of fluids such as water, steam, oil, gas, mud, various corrosive media, liquid metals and radioactive fluids.

At present, the valve equipment used on the market is only to control the opening or closing of the water flow, and cannot control the flow rate of the water. Generally, it is observed directly through the human eye, and the accuracy is very low, which affects the normal use, resulting in The occurrence of unnecessary problems increases the difficulty of larger use and reduces the use effect.

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the prior art, the present invention provides a water control valve for accurately controlling the flow, which solves the problems of inability to control the flow of water and low flow accuracy.

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: a water control valve for accurately controlling flow, including a water lead pipe, a lifting mechanism, a conduction mechanism and a sealing mechanism, and the two ends of the water lead pipe are symmetrically and fixedly connected with flanges. A first opening is opened in the middle of the top of the water diversion pipe, and a first sealing ring is fixedly connected to the first opening. A support column, the middle of the top of the support table is provided with a first rotation groove, the four sides of the inner wall of the first rotation groove are fixedly connected with internal tapping threads, the middle of the top of the support table is fixedly connected to a limit column, the limit A second rotation slot is opened in the middle of the top of the position post.

Preferably, the lifting mechanism includes an electric push rod and a first bearing, the bottom of the electric push rod is fixedly connected with a sealing chamber, the center of the bottom of the sealing chamber is provided with a rotating shaft, and the center of the bottom of the sealing chamber is provided with A second opening, a first limit block is fixedly connected to the second opening, a motor is fixedly connected to the center of the top of the inner wall of the sealing chamber, a straight chute is symmetrically opened on the tops of both sides of the rotating shaft, and the four rotating shafts are The bottom of the side is provided with external tapping threads, the top and bottom of the first bearing are fixedly connected with washers, and the two sides of the inner wall of the inner ring of the first bearing are symmetrically and fixedly connected with clamping blocks.

Preferably, the conduction mechanism includes a support plate, a connecting rod is arranged in the center of the bottom of the support plate, a fixing block is fixedly connected to the center of the top of the support plate, and negative pressure is fixedly connected symmetrically on both sides of the top of the support plate A spring, a third opening is opened in the middle of the top of the fixing block, a second limit block is fixedly connected to the third opening, a fixing column is fixedly connected to the middle of the bottom of the inner wall of the fixing block, and the bottom of the inner cavity of the fixing block is fixedly connected. The sliding blocks are symmetrically arranged on both sides, the bottom of the four sides of the inner wall of the fixing block is provided with annular sliding grooves, and the second bearing is fixedly connected to the end of the fixing column away from the inner wall of the fixing block.

Preferably, the sealing mechanism includes a sealing table, the bottoms of the two sides of the sealing table are symmetrically provided with water flow holes, the two sides of the inner wall of the sealing table are symmetrically provided with moving grooves, and the center of the inner cavity of the sealing table is provided with a sealing A fourth opening is opened in the middle of the top of the sealing table, a second sealing ring is fixedly connected to the fourth opening, and sliding bars are symmetrically and fixedly connected on both sides of the sealing block.

Preferably, the top of the first sealing ring penetrates through the bottom of the support table and extends to the inside of the support table, the first sealing ring is fixedly connected with the support table, and the first rotation groove penetrates through the top of the support table and extends to the interior of the support table. Inside the support table, the second rotation groove penetrates through the top of the limiting column and extends to the outside of the bottom of the limiting column.

Preferably, the electric push rod is fixedly connected to the center of the top of the inner wall of the support column, the first bearing is fixedly connected to the top of the four sides of the inner wall of the second rotating groove, and the end of the rotating shaft close to the sealing chamber penetrates the first limit one end of the rotating shaft is fixedly connected with the output shaft of the motor, and the other end of the rotating shaft penetrates the first bearing, the second rotating groove and the first rotating groove and extends to the end of the support table. Inside, the rotating shaft is fitted with the first bearing, the external tapping thread of the rotating shaft is interlaced with the internal tapping thread of the first rotating groove, and the end of the block away from the rotating shaft extends to the interior of the straight chute And fit the inner wall of the straight chute.

Preferably, the support plate is arranged in the center of the inner cavity of the support table, one end of the negative pressure spring away from the support plate is symmetrically and fixedly connected to both sides of the top of the inner wall of the support table, and the other end of the rotating shaft penetrates the second limit one end of the fixed column penetrates the other end of the rotating shaft and extends to the inside of the wall of the rotating shaft, and one end of the second bearing away from the fixed column is fixedly connected to the wall of the rotating shaft, The rotating shaft is fitted with the second limit block, the end of the connecting rod away from the support plate penetrates the first sealing ring and extends to the inside of the water diversion pipe, and the connecting rod is fitted with the first sealing ring, so the One end of the sliding block extends to the inside of the annular chute and fits with the inner wall of the annular chute, and the other end of the sliding block is symmetrically and fixedly connected to the bottoms of both sides of the rotating shaft.

Preferably, the sealing table is arranged in the middle of the inner cavity of the water guiding pipe, the sealing table is attached to the inner wall of the water guiding pipe and is fixedly connected, and one end of the connecting rod penetrates the second sealing ring and extends to the inside of the sealing table, so The connecting rod is attached to the second sealing ring. One end of the connecting rod is fixedly connected to the center of the top of the sealing block. The sealing block is in contact with the front, rear, left, right, and four sides of the inner wall of the sealing table. Extend to the inside of the moving groove and fit the inner wall of the moving groove.

The invention provides a water control valve which can precisely control the flow. Has the following beneficial effects:

(1) The water control valve that accurately controls the flow achieves cooperation through the cooperation of the electric push rod, the first bearing, the sealing chamber, the rotating shaft, the first limit block, the electric motor, the straight chute and the clamping block. The effect of precise lifting and lowering of the rotating shaft provides the necessary foundation for accurately closing the water diversion pipe.

(2) The water control valve that precisely controls the flow, through the cooperation of the set support plate, connecting rod, fixed block, negative pressure spring, second limit block, fixed column, slider, annular chute, and second bearing. Work to achieve the effect of converting the torsional power of the rotating shaft into vertical power, and provide a strong support for the precise closure of the diversion pipe.

(3) The water control valve that precisely controls the flow can achieve the effect of sealing the water diversion pipe at multiple levels and prevent regulation When the diversion pipe flows, the water leaks out.

(4) The water control valve that accurately controls the flow achieves the purpose of supporting the lifting mechanism and the transmission mechanism through the cooperation of the set support table, support column and limit column, and provides a powerful force for the operation of the lifting mechanism and the transmission mechanism. support.

(5) The water control valve that precisely controls the flow achieves the purpose of assisting the operation of the lifting mechanism and the transmission mechanism through the cooperation of the first rotating groove and the second rotating groove, and provides a powerful force for the operation of the lifting mechanism and the transmission mechanism. support.

(6) The water control valve for accurate flow control, through the cooperation of the above structures, enhances the practicability of the water control valve for accurate flow control, and accurately regulates the water diversion pipe by accurately moving the sealing block to cooperate with the sealing table and the water flow hole. The effect of flow solves the problem that the flow rate of water cannot be controlled and the flow accuracy is low.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the sectional view of the sealed chamber of the present invention;

Fig. 3 is the sectional view of the fixed block of the present invention;

FIG. 4 is an enlarged view of the position A in FIG. 1 of the present invention.

In the picture: 1 water pipe, 2 lifting mechanism, 21 electric push rod, 22 first bearing, 23 sealing chamber, 24 rotating shaft, 25 first limit block, 26 motor, 27 straight chute, 28 block, 3 conduction Mechanism, 31 supporting plate, 32 connecting rod, 33 fixing block, 34 negative pressure spring, 35 second limit block, 36 fixing column, 37 sliding block, 38 annular chute, 39 second bearing, 4 sealing mechanism, 41 sealing Table, 42 water flow hole, 43 moving groove, 44 sealing block, 45 second sealing ring, 46 sliding bar, 5 flange plate, 6 first sealing ring, 7 supporting table, 8 supporting column, 9 first rotating groove, 10 Limiting column, 11 second rotating groove.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

1-4, the present invention provides a technical solution: a water control valve for precise flow control, including a water diversion pipe 1, a lifting mechanism 2, a conduction mechanism 3 and a sealing mechanism 4, and the two ends of the water diversion pipe 1 are symmetrically fixed A flange 5 is connected, and one end of the flange 5 away from the water diversion pipe 1 is connected to the external water pipe flange. The middle of the top of the water diversion pipe 1 is provided with a first opening, and a first sealing ring 6 is fixedly connected to the first opening. The center of the top of the water diversion pipe 1 is fixedly connected with a support table 7, the top of the first sealing ring 6 penetrates the bottom of the support table 7 and extends to the inside of the support table 7, the first sealing ring 6 is fixedly connected with the support table 7, and the support table 7 The center of the top is fixedly connected with the support column 8, and the center of the top of the support table 7 is provided with a first rotation groove 9, the first rotation groove 9 runs through the top of the support table 7 and extends to the interior of the support table 7, and the inner wall of the first rotation groove 9 The four sides are fixedly connected with internal tapping threads, and the center of the top of the support table 7 is fixedly connected to the limit column 10. The purpose of 3 is to provide a strong support for the operation of the lifting mechanism 2 and the transmission mechanism 3. A second rotation slot 11 is opened in the middle of the top of the limit post 10. The second rotation slot 11 penetrates the top of the limit post 10 and extends to the limit. On the outside of the bottom of the position post 10, through the cooperation of the first rotating groove 9 and the second rotating groove 11, the purpose of assisting the operation of the lifting mechanism 2 and the transmission mechanism 3 is achieved, and the operation of the lifting mechanism 2 and the transmission mechanism 3 is provided. support.

The lifting mechanism 2 includes an electric push rod 21 and a first bearing 22. The electric push rod 21 is fixedly connected to the center of the top of the inner wall of the support column 8, and the first bearing 22 is fixedly connected to the top of the four sides of the inner wall of the second rotating groove 11. The electric push rod The bottom of 21 is fixedly connected with a sealing chamber 23, a rotating shaft 24 is arranged in the middle of the bottom of the sealing chamber 23, a second opening is opened in the middle of the bottom of the sealing chamber 23, and a first limit block 25 is fixedly connected to the second opening, and the rotating shaft One end of 24 close to the sealing chamber 23 penetrates the first limiting block 25 and extends to the interior of the sealing chamber 23 , the rotating shaft 24 is fitted with the first bearing 22 , and the other end of the rotating shaft 24 penetrates the first bearing 22 and the second rotating shaft 24 . The groove 11 and the first rotating groove 9 extend to the inside of the support table 7, the external tapping thread of the rotating shaft 24 is interlaced with the internal tapping thread of the first rotating groove 9, and a motor 26 is fixedly connected to the center of the top of the inner wall of the sealing chamber 23, One end of the rotating shaft 24 is fixedly connected with the output shaft of the motor 26, and the first limit block 25 cooperates with the motor 26 to provide support for the rotation of the rotating shaft 24 to prevent the rotating shaft 24 from deflecting. The chute 27, the bottom of the four sides of the rotating shaft 24 are provided with external tapping threads, the top and bottom of the first bearing 22 are fixedly connected with washers, and the washers provide buffers for the first bearing 22 to prevent the first bearing 22 from being overstressed. Damaged, the two sides of the inner wall of the inner ring of the first bearing 22 are symmetrically and fixedly connected with clamping blocks 28. The end of the clamping block 28 away from the rotating shaft 24 extends to the interior of the straight chute 27 and fits the inner wall of the straight chute 27, through the motor 26 Rotate the rotating shaft 24, the external tapping thread of the rotating shaft 24 is interlaced with the internal tapping thread of the second rotating groove 11, the rotating shaft 24 rotates and moves, the electric push rod 21 is fixedly connected with the sealing chamber 23 to prevent the motor 26 from rotating smoothly, and assists the rotation The shaft 24 rotates and moves, and the block 28 cooperates with the straight chute 27 to make the first bearing 22 assist the rotating shaft 24 to rotate smoothly, and provide a moving trajectory for the movement of the rotating shaft 24 to prevent the rotating shaft 24 from moving offset. The rod 21, the first bearing 22, the sealing chamber 23, the rotating shaft 24, the first limit block 25, the electric motor 26, the straight chute 27, and the clamping block 28 work together to achieve the effect of cooperating to accurately lift and lower the rotating shaft 24. The closed water pipe 1 provides the necessary foundation.

The conduction mechanism 3 includes a support plate 31, the support plate 31 is arranged in the center of the inner cavity of the support table 7, the rotating shaft 24 is fixedly connected to the center of the top of the support plate 31, and the center of the bottom of the support plate 31 is provided with a connecting rod 32, and the connecting rod 32 is far away from One end of the support plate 31 penetrates the first sealing ring 6 and extends to the interior of the water diversion pipe 1 , the connecting rod 32 is in contact with the first sealing ring 6 , the middle of the top of the support plate 31 is fixedly connected with a fixing block 33 , and the top of the support plate 31 is fixedly connected with a fixing block 33 . Negative pressure springs 34 are symmetrically and fixedly connected on both sides of the two sides of the negative pressure spring 34, and one end of the negative pressure spring 34 away from the support plate 31 is symmetrically fixed on both sides of the top of the inner wall of the support table 7. The negative pressure spring 34 cooperates with the support plate 31 to form a multi-point support to prevent rotation. The shaft 24 is deflected when moving, a third opening is opened in the middle of the top of the fixed block 33, a second limit block 35 is fixedly connected to the third opening, and the rotating shaft 24 is in contact with the second limit block 35. The limit block 35 makes the rotating shaft 24 rotate smoothly and supports stably. The other end of the rotating shaft 24 penetrates the second limit block 35 and extends to the interior of the fixed block 33 , and a fixed column 36 is fixedly connected to the center of the bottom of the inner wall of the fixed block 33 . One end of the fixed column 36 penetrates the other end of the rotating shaft 24 and extends to the inside of the wall of the rotating shaft 24. The two sides of the bottom of the inner cavity of the fixed block 33 are symmetrically provided with sliders 37, and the bottom of the four sides of the inner wall of the fixed block 33 is provided with a sliding block 37. The annular chute 38, one end of the slider 37 extends to the inside of the annular chute 38 and fits the inner wall of the annular chute 38, the other end of the slider 37 is symmetrically and fixedly connected to the bottom of both sides of the rotating shaft 24, and the slider 37 cooperates The annular chute 38 makes the rotating shaft 24 rotate smoothly and supports stably, and prevents the rotating shaft 24 from separating from the fixed block 33. The end of the fixed column 36 away from the inner wall of the fixed block 33 is fixedly connected with a second bearing 39, and the second bearing 39 is away from the fixed column. One end of 36 is fixedly connected with the wall of the rotating shaft 24. The fixed column 36 cooperates with the second bearing 39 to make the rotating shaft 24 rotate smoothly and support it stably, prevent the rotating shaft 24 from being deflected when it rotates, and prevent the support plate 31 from following the rotating shaft. 24 rotates and rotates, through the set support plate 31, connecting rod 32, fixed block 33, negative pressure spring 34, second limit block 35, fixed column 36, slider 37, annular chute 38, second bearing 39 The cooperating work of the rotating shaft 24 achieves the effect of converting the torsional power of the rotating shaft 24 into vertical power, and provides a strong support for the precise sealing of the water diversion pipe 1 .

The sealing mechanism 4 includes a sealing table 41. The sealing table 41 is arranged in the middle of the inner cavity of the water diversion pipe 1. The sealing table 41 is attached to the inner wall of the water diversion pipe 1 and is fixedly connected. The two sides of the inner wall of the sealing table 41 are symmetrically provided with moving grooves 43, and the middle of the inner cavity of the sealing table 41 is provided with a sealing block 44. The aperture size of the water flow hole 42 is moved and adjusted to achieve the effect of controlling the flow rate. A fourth opening is opened in the middle of the top of the sealing table 41, and a second sealing ring 45 is fixedly connected to the fourth opening. One end of the connecting rod 32 penetrates the second sealing ring. 45 and extend to the inside of the sealing table 41, one end of the connecting rod 32 is fixedly connected to the center of the top of the sealing block 44, and the rotating shaft 24 drives the supporting plate 31 to move, so that the connecting rod 32 enters and exits the sealing table 41, drives the sealing block 44 to move, and connects The rod 32 is in contact with the second sealing ring 45. The second sealing ring 45 provides a moving track for the movement of the connecting rod 32 and makes the sealing table 41 airtight. The two sides of the sealing block 44 are symmetrically and fixedly connected with sliding bars 46. , the end of the sliding bar 46 away from the sealing block 44 extends to the interior of the moving groove 43 and fits the inner wall of the moving groove 43. The sliding bar 46 cooperates with the moving groove 43 to provide a moving track for the movement of the sealing block 44. The water flow hole 42, the moving groove 43, the sealing block 44, the second sealing ring 45, and the sliding strip 46 work together to achieve the effect of sealing the water diversion pipe 1 at multiple levels, preventing the water from leaking out when the flow rate of the water diversion pipe 1 is regulated and controlled. The cooperation of the above structures enhances the practicability of the water control valve for accurately controlling the flow. By precisely moving the sealing block 44 to cooperate with the sealing table 41 and the water flow hole 42, the effect of accurately regulating the flow of the water diversion pipe 1 is achieved, which solves the problem of inability to control the water flow. The flow size is controlled, and the flow accuracy is low.

When the water control valve for precise flow control is used, the water diversion pipe 1 is fixedly connected to the external water pipe through the flanges 5 at both ends, and the water flow is introduced, and the motor 26 is controlled to rotate the rotating shaft 24, and the external tapping thread of the rotating shaft 24 is connected with the second water pipe. The internal tapping threads of the rotating groove 11 are staggered, the rotating shaft 24 rotates and descends, the fixed block 33 converts the torsional force of the rotating shaft 24 into vertical power, the connecting rod 32 pushes the sealing block 44 to move, and the sealing block 44 closes the flow hole 42 to achieve the flow control. Purpose.

To sum up, the water control valve that precisely controls the flow is provided with the electric push rod 21, the first bearing 22, the sealing chamber 23, the rotating shaft 24, the first limit block 25, the electric motor 26, the straight chute 27, The cooperation of the clamping block 28 achieves the effect of cooperating to accurately lift the rotating shaft 24, and provides the necessary foundation for accurately closing the water diversion pipe 1. The cooperating work of the limit block 35 , the fixed column 36 , the slider 37 , the annular chute 38 and the second bearing 39 achieves the effect of converting the torsional power of the rotating shaft 24 into vertical power, and provides a strong support for the precise closure of the water diversion pipe 1 , through the cooperation of the sealing table 41, the water hole 42, the moving groove 43, the sealing block 44, the second sealing ring 45, and the sliding strip 46, the effect of sealing the water diversion pipe 1 at multiple levels is achieved, and the flow rate of the water diversion pipe 1 is prevented from being adjusted and controlled. , the water leaked out.

At the same time, the water control valve that precisely controls the flow achieves the purpose of supporting the lifting mechanism 2 and the transmission mechanism 3 through the cooperation of the supporting table 7 , the supporting column 8 and the limiting column 10 . The operation provides strong support. Through the cooperation of the first rotating groove 9 and the second rotating groove 11, the purpose of assisting the operation of the lifting mechanism 2 and the transmission mechanism 3 is achieved, and the operation of the lifting mechanism 2 and the transmission mechanism 3 is provided. Through the cooperation of the above structures, the practicability of the water control valve for accurately controlling the flow is enhanced, and the effect of accurately regulating the flow rate of the water diversion pipe 1 is achieved by precisely moving the sealing block 44 to cooperate with the sealing table 41 and the water flow hole 42 to solve the problem. The flow rate of water cannot be controlled, and the flow accuracy is low.

The electrical components appearing in this article are all connected with the external main controller and 220V mains, and the main controller can be a conventional known device controlled by a computer or the like.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (5)

1. The utility model provides an accurate flow control's accuse water valve, includes leading water pipe (1), elevating system (2), conduction mechanism (3) and sealing mechanism (4), its characterized in that: the water diversion pipe comprises a water diversion pipe (1), wherein flange plates (5) are symmetrically and fixedly connected to two ends of the water diversion pipe (1), a first opening is formed in the center of the top of the water diversion pipe (1), a first sealing ring (6) is fixedly connected to the first opening, a supporting table (7) is fixedly connected to the center of the top of the water diversion pipe (1), a supporting column (8) is fixedly connected to the center of the top of the supporting table (7), a first rotating groove (9) is formed in the center of the top of the supporting table (7), internal tapping threads are fixedly connected to four sides of the inner wall of the first rotating groove (9), a limiting column (10) is fixedly connected to the center of the top of the supporting table (7), and a second rotating groove (11) is formed in the center;

the conduction mechanism (3) comprises a supporting plate (31), a connecting rod (32) is arranged in the middle of the bottom of the supporting plate (31), a fixed block (33) is fixedly connected in the middle of the top of the supporting plate (31), negative pressure springs (34) are symmetrically and fixedly connected to two sides of the top of the supporting plate (31), a third opening is formed in the middle of the top of the fixed block (33), a second limiting block (35) is fixedly connected to the third opening, a fixed column (36) is fixedly connected to the middle of the bottom of the inner wall of the fixed block (33), sliding blocks (37) are symmetrically arranged on two sides of the bottom of the inner cavity of the fixed block (33), annular sliding grooves (38) are formed in the bottoms of four sides of the inner wall of the fixed block (33), and a second bearing (39) is fixedly;

sealing mechanism (4) is including seal table (41), discharge orifice (42) have been seted up to the bottom symmetry of seal table (41) both sides, moving groove (43) have been seted up to the bilateral symmetry of seal table (41) inner wall, the centre of seal table (41) inner chamber is provided with sealed piece (44), the fourth opening has been seted up to the centre at seal table (41) top, fourth opening fixedly connected with second sealing washer (45), the bilateral symmetry fixedly connected with draw runner (46) of sealed piece (44), seal table (41) set up in the centre of leading water pipe (1) inner chamber, seal table (41) and the inner wall of leading water pipe (1) paste mutually and fixedly connected, the inside of second sealing washer (45) and extension to seal table (41) is run through to the one end of connecting rod (32) and second sealing washer (45) laminating mutually, the one end fixed connection of connecting rod (32) and second sealing washer (45) is in the centre at the top of sealed piece (44), the sealing block (44) is attached to the front, rear, left and right sides of the inner wall of the sealing table (41), and one end, far away from the sealing block (44), of the sliding strip (46) extends to the inside of the moving groove (43) and is attached to the inner wall of the moving groove (43).

2. The water control valve for accurately controlling flow rate according to claim 1, wherein: elevating system (2) are including electric putter (21) and first bearing (22), the sealed room of bottom fixedly connected with (23) of electric putter (21), the centre of sealed room (23) bottom is provided with axis of rotation (24), the second opening has been seted up in the centre of sealed room (23) bottom, the first stopper of second opening part fixedly connected with (25), the centre fixedly connected with motor (26) at sealed room (23) inner wall top, straight spout (27) have been seted up to the top symmetry of axis of rotation (24) both sides, the bottom of the four sides of axis of rotation (24) is provided with outer tapping, the equal fixedly connected with packing ring in top and the bottom of first bearing (22), the bilateral symmetry fixedly connected with fixture block (28) of first bearing (22) inner circle inner wall.

3. The water control valve for accurately controlling flow rate according to claim 1, wherein: the top of first sealing washer (6) runs through the bottom of brace table (7) and extends to the inside of brace table (7), first sealing washer (6) and brace table (7) fixed connection, first rotation groove (9) run through the top of brace table (7) and extend to the inside of brace table (7), second rotation groove (11) run through the top of spacing post (10) and extend to the outside of spacing post (10) bottom.

4. The water control valve for accurately controlling flow rate according to claim 2, wherein: the electric push rod (21) is fixedly connected in the middle of the top of the inner wall of the support column (8), the first bearing (22) is fixedly connected with the top of the four sides of the inner wall of the second rotating groove (11), one end of the rotating shaft (24) close to the sealing chamber (23) penetrates through the first limiting block (25) and extends to the inside of the sealing chamber (23), one end of the rotating shaft (24) is fixedly connected with an output shaft of the motor (26), the other end of the rotating shaft (24) penetrates through the first bearing (22), the second rotating groove (11) and the first rotating groove (9) and extends to the inside of the supporting platform (7), the rotating shaft (24) is attached to the first bearing (22), the external tapping of the rotating shaft (24) is staggered with the internal tapping of the first rotating groove (9), one end of the clamping block (28), which is far away from the rotating shaft (24), extends into the straight sliding groove (27) and is attached to the inner wall of the straight sliding groove (27).

5. The water control valve for accurately controlling flow rate according to claim 2, wherein: the supporting plate (31) is arranged in the center of an inner cavity of the supporting table (7), one end of the negative pressure spring (34) far away from the supporting plate (31) is symmetrically and fixedly connected to two sides of the top of the inner wall of the supporting table (7), the other end of the rotating shaft (24) penetrates through the second limiting block (35) and extends to the inside of the fixed block (33), one end of the fixed column (36) penetrates through the other end of the rotating shaft (24) and extends to the inside of the wall body of the rotating shaft (24), one end of the second bearing (39) far away from the fixed column (36) is fixedly connected with the wall body of the rotating shaft (24), the rotating shaft (24) is attached to the second limiting block (35), one end of the connecting rod (32) far away from the supporting plate (31) penetrates through the first sealing ring (6) and extends to the inside of the water diversion pipe (1), and the connecting rod (32, one end of the sliding block (37) extends to the inside of the annular sliding groove (38) and is attached to the inner wall of the annular sliding groove (38), and the other end of the sliding block (37) is symmetrically and fixedly connected to the bottoms of two sides of the rotating shaft (24).

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