CN217874360U

CN217874360U - Stop valve for controlling flow quantity and direction

Info

Publication number: CN217874360U
Application number: CN202220853439.9U
Authority: CN
Inventors: 许云峰; 盛灿红
Original assignee: Jingjiang Tiantian Machinery Manufacturing Co ltd
Current assignee: Jingjiang Tiantian Machinery Manufacturing Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-11-22
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a stop valve of control flow size, direction, which comprises a valve body, the baffle about the inner wall fixed connection of valve body cuts off, the mouth that flows through is seted up on the surface of baffle, the top threaded connection spiral depression bar of valve body, the opening part installation shutoff board of mouth that flows, the bottom fixed connection of shutoff board runs through the control plug-in components of mouth that flows, the control flume is seted up in the outside of control plug-in components, spiral depression bar's bottom fixed connection clamp plate. This stop valve of flow control size, direction sets up control plug-in components and control tank through the below at the shutoff board, during the use, rotates the spiral depression bar and drives the clamp plate rebound, and rivers push away control plug-in components and shutoff board until being restricted by the clamp plate, so control plug-in components more upwards, and the gap between control plug-in components and the mouth is big more, and the water capacity also can the grow, and during the refluence, the mouth still can be sealed, so make the valve can control the rivers flow and can control the rivers direction again.

Description

Stop valve for controlling flow quantity and direction

Technical Field

The utility model relates to a stop valve technical field specifically is a stop valve of controlled flow size, direction.

Background

The stop valve is also called as a cut-off valve, belongs to a forced sealing type valve, is one of control valves on a flowing article conveying pipeline, and is widely applied to the industry because of small friction force between sealing surfaces in the opening and closing process, relatively durable, small opening height, easy manufacture and convenient maintenance;

the opening and closing part of the stop valve is a plug-shaped valve clack, the upper surface of the seal is a plane or a sea cone surface, and the valve clack moves linearly along the central line of the valve seat;

when current stop valve used, received the structural influence, inconvenient simultaneous control valve's rivers flow and rivers direction, the valve clack bears the pressure and the impact force of rivers for a long time simultaneously, makes the inseparable helicitic texture on the valve clack control screw rod serious fatigue damage appear easily, influences life, has consequently provided the stop valve of a control flow size, direction and has come the solution problem.

SUMMERY OF THE UTILITY MODEL

In order to overcome the rivers flow and the rivers direction of inconvenient simultaneous control valve, the valve clack bears the pressure and the impact force of rivers for a long time simultaneously, makes inseparable helicitic texture on the valve clack control screw rod fatigue damage appear easily, influences life's problem, the utility model aims to provide a stop valve of control flow size, direction has can adjust rivers flow and rivers direction simultaneously, reduces the fatigue damage that helicitic texture received.

The utility model discloses a realize that technical purpose adopts following technical scheme: the utility model provides a stop valve of control flow size, direction, includes the valve body, the baffle about the inner wall fixed connection wall of valve body, the flow opening that runs through is seted up on the surface of baffle, the top threaded connection spiral depression bar of valve body, the shutoff board is installed to the opening part of flow opening, the bottom fixed connection of shutoff board runs through the control plug-in components of flow opening, the control flume is seted up in the outside of control plug-in components, spiral depression bar's bottom fixed connection clamp plate.

Preferably, the blocking plate is located in the water outlet direction of the flow port, the blocking plate is located below the pressing plate, the control plug-in unit is attached to the inner wall of the flow port, and the diameter of the pressing plate is larger than that of the flow port.

The control grooves are distributed on the outer side of the control plug-in unit in a surrounding mode, the bottom wall of each control groove is designed in an inclined mode, the bottom face of each control groove is connected in an extending and splicing mode to form a round table shape with the large top and the small bottom, and the diameter of the upper portion of the round table is smaller than that of the flow opening.

As optimization, a balance groove is formed in the control plug-in, a sliding groove communicated with the balance groove is formed in the outer side of the control plug-in, a balance rod is movably mounted in the balance groove, two ends of the balance rod are fixedly connected with guide blocks, the outer side of the upper guide block is fixedly connected with a limiting plate extending out of the sliding groove, and the bottom of the lower guide block is fixedly connected with a compression spring;

preferably, a movable groove is formed in the bottom of the control plug-in, a communicating hole is formed between the movable groove and the balance groove, a compression groove is formed in the top of the control plug-in, a connecting rod is inserted between the compression groove and the movable groove in a sliding mode, two ends of the connecting rod are fixedly connected with movable plates, and a closing plate is fixedly connected to the outer side of the movable plate below the connecting rod.

Preferably, the balance groove and the sliding groove are located between two adjacent control grooves, the width of the sliding groove is smaller than the diameter of the balance groove, and the limiting plate is attached to an opening below the flow port.

Preferably, the length of the balance rod is larger than that of the sliding groove, and a sealing ring is arranged on the outer side of the guide block below the balance rod.

Preferably, the communicating hole is positioned at the bottom of the balancing tank, and the pressure plate corresponds to the upper movable plate in position.

Preferably, a return spring is arranged in the compression groove, and the closed plate corresponds to the communication hole in position.

The utility model discloses possess following beneficial effect:

1. according to the stop valve for controlling the flow rate and the flow direction, the plugging plate is arranged in the water outlet direction of the flow port, when water normally flows, the water flow pushes the plugging plate to pass through the flow port, and when the water flows backwards, the plugging plate is pressed on the surface of the flow port in a fixed pressure manner, so that the direction of the water flow can be controlled, and the backflow is prevented;

2. this stop valve of control flow size, direction through set up control plug-in components and control tank in the below of shutoff board, during the use, rotates the spiral depression bar and drives the clamp plate rebound, and rivers push away control plug-in components and shutoff board until being restricted by the clamp plate, so control plug-in components more upwards, the gap between control plug-in components and the mouth is big more, and the water capacity also can the grow, and during the refluence, the mouth still can be sealed, so make the valve can control the rivers flow can control the rivers direction again.

3. According to the stop valve for controlling the flow and the direction, the limiting plate is arranged on the outer side of the control plug-in unit, when the valve is closed, the limiting plate is opened below the top reflow port and is in a locking state, partial water pressure is dispersed to push the control plug-in unit upwards, fatigue damage to threads on the spiral pressure rod is reduced, and the service life is prolonged.

4. This stop valve of flow control size, direction, through the active state of screw depression bar control limiting plate, when shutoff board and control plug-in components removed, but limiting plate unblock slidable, laminate with the baffle all the time, when shutoff board and control plug-in components stopped, the limiting plate lock dies, so no matter how big discharge is adjusted, no matter where shutoff board and control plug-in components are located, the limiting plate all can burden rivers pressure and impact force, the fatigue damage of screw thread on the reduction screw depression bar, life has been prolonged.

Drawings

Fig. 1 is the utility model discloses the inside depression angle drawing of stop valve of control flow size, direction.

Fig. 2 is the view of the internal elevation angle of the stop valve for controlling the flow rate and direction of the present invention.

Fig. 3 is the cross-sectional view of the balance groove of the stop valve control plug-in of the utility model for controlling the flow rate and the direction.

Fig. 4 is a cross-sectional view of the control groove of the stop valve control plug-in unit for controlling the flow rate and the direction.

Fig. 5 is an enlarged view of the position a in fig. 4 of the stop valve for controlling the flow rate and direction of the present invention.

In the figure: 1. a valve body; 2. a partition plate; 3. a flow port; 4. a screw press rod; 5. a plugging plate; 6. a control plug-in; 7. a control slot; 8. pressing a plate; 9. a balancing tank; 10. a chute; 11. a balancing pole; 12. a guide block; 13. a limiting plate; 14. a compression spring; 15. a movable groove; 16. a communicating hole; 17. a compression groove; 18. a connecting rod; 19. a movable plate; 20. a closed plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, a stop valve for controlling the flow rate and direction comprises a valve body 1, a partition plate 2 fixedly connected to the inner wall of the valve body 1 and separating the left and right sides of the partition plate, a flow port 3 formed on the surface of the partition plate 2 and penetrating through the partition plate, a spiral compression bar 4 screwed on the top of the valve body 1, a rotary handle fixedly connected to the top of the spiral compression bar 4, a plugging plate 5 installed at the opening of the flow port 3, a control plug-in unit 6 formed at the bottom of the plugging plate 5 and penetrating through the flow port 3, a control groove 7 formed on the outer side of the control plug-in unit 6, and a pressing plate 8 fixedly connected to the bottom of the spiral compression bar 4.

The right side of the valve body 1 is provided with a water inlet pipeline, and the left side of the valve body 1 is provided with a water outlet pipeline;

the plugging plate 5 is positioned in the water outlet direction of the flow port 3, the plugging plate 5 is positioned below the pressing plate 8, the control plug-in unit 6 is attached to the inner wall of the flow port 3, the diameter of the pressing plate 8 is larger than that of the flow port 3, and the flow port 3 can be completely sealed.

The control grooves 7 are distributed on the outer side of the control plug-in unit 6 in a surrounding mode, the bottom wall of each control groove 7 is designed in an inclined mode, the bottom face of each control groove 7 is lengthened and spliced to form a round table shape with the large top and the small bottom, the water flow can be adjusted, the diameter above the round table is smaller than that of the flow opening 3, and the water pressure difference between the upper portion and the lower portion can be applied to the blocking plate 5.

By installing the blocking plate 2 in the water outlet direction of the flow port 3, when water normally flows, the water flow pushes the blocking plate 5 to pass through the flow port 3, and when the water flows backwards, the water flow presses the blocking plate 2 on the surface of the flow port 3 in a fixed pressure manner, so that the water flow direction can be controlled, and the backflow is prevented;

through setting up control plug-in components 6 and control tank 7 in the below of shutoff board 5, during the use, rotate spiral depression bar 4 and drive clamp plate 8 and upwards remove, rivers push away control plug-in components 6 and shutoff board 5 until being restricted by clamp plate 8, so control plug-in components 6 are more upwards, the gap between control plug-in components 6 and the flow opening 3 is big more, and the water capacity also can grow, and during the refluence, flow opening 3 still can be sealed, so make the valve can control rivers flow can control rivers direction again.

Example 2

Referring to fig. 1-5, a stop valve for controlling the flow rate and direction comprises a valve body 1, a partition plate 2 fixedly connected to the inner wall of the valve body 1 and separating the left and right sides of the partition plate, a flow port 3 formed on the surface of the partition plate 2 and penetrating through the partition plate, a spiral compression bar 4 screwed on the top of the valve body 1, a rotary handle fixedly connected to the top of the spiral compression bar 4, a plugging plate 5 installed at the opening of the flow port 3, a control plug-in unit 6 formed at the bottom of the plugging plate 5 and penetrating through the flow port 3, a control groove 7 formed on the outer side of the control plug-in unit 6, and a pressing plate 8 fixedly connected to the bottom of the spiral compression bar 4.

The control groove 7 is distributed on the outer side of the control plug-in unit 6 in a surrounding mode, the bottom wall of the control groove 7 is designed in an inclined mode, the bottom face of the control groove 7 is in a circular table shape with the upper portion being larger than the lower portion in a lengthening and splicing mode, the water flow quantity can be adjusted, the diameter of the upper portion of the circular table is smaller than that of the flow port 3, and the water pressure difference between the upper portion and the lower portion can be applied to the blocking plate 5.

A balance groove 9 is formed in the control plug-in 6, a sliding groove 10 communicated with the balance groove 9 is formed in the outer side of the control plug-in 6, a balance rod 11 is movably mounted in the balance groove 9, two ends of the balance rod 11 are fixedly connected with guide blocks 12, the outer side of the upper guide block 12 is fixedly connected with a limiting plate 13 extending out of the sliding groove 10, and the bottom of the lower guide block 12 is fixedly connected with a compression spring 14;

the bottom of the control plug-in unit 6 is provided with a movable groove 15, a communicating hole 16 is formed between the movable groove 15 and the balance groove 9, the top of the control plug-in unit 6 is provided with a compression groove 17, a connecting rod 18 is inserted between the compression groove 17 and the movable groove 15 in a sliding manner, two ends of the connecting rod 18 are fixedly connected with movable plates 19, and the outer sides of the movable plates 19 below are fixedly connected with a closing plate 20.

The balance groove 9 and the sliding groove 10 are positioned between two adjacent control grooves 7, the width of the sliding groove 10 is smaller than the diameter of the balance groove 9, and the limiting plate 13 is attached to an opening below the flow opening 3.

The length of the balancing rod 11 is larger than that of the sliding chute 10, and a sealing ring is arranged on the outer side of the lower guide block 12.

The communicating hole 16 is positioned at the bottom of the balance groove 9, the pressure plate 8 corresponds to the position of the upper movable plate 19, and the upper movable plate 19 is positioned in the compression groove 17.

The inside of compression tank 17 sets up reset spring, and reset spring seals to be A, B two sections, and the power when A section compression is less than water pressure, and the power when the compression of B section is greater than water pressure, so can control opening and close of intercommunicating pore 16 in a flexible way, also can prevent that rivers from dashing and unsealing closure plate 5, and closure plate 20 corresponds with intercommunicating pore 16 position.

By arranging the limiting plate 13 outside the control plug-in unit 6, when the valve is closed, the pressing plate 8 presses the upper movable plate 19, the upper movable plate 19 compresses the return spring section A to push the lower movable plate 19 downwards through the connecting rod 18, the lower movable plate 19 drives the closing plate 20 to close the communicating hole 16, the pressing plate 8 continues to press downwards to push the blocking plate 5 and the control plug-in unit 6 to move downwards, after the blocking plate 5 is contacted with the partition plate 2, the pressing plate 8 continues to press the upper movable plate 19 downwards, the upper movable plate 19 compresses the return spring section B to push the lower movable plate 19 downwards through the connecting rod 18, the closing plate 20 moves to the lower part of the communicating hole 16 to open the communicating hole 16, the balance groove 9 is communicated outwards, the compression spring 14 pushes the guide block 12 and the limiting plate 13 to move upwards until the limiting plate 13 is contacted with the partition plate 2, the spiral pressure rod 4 rotates reversely to a specified distance upwards to move the pressing plate 8, the section B of the return spring is unfolded, the connecting rod 18, the movable plates 19 and the closing plate 20 partially reset, the communicating hole 16 is closed again, so that the lower half section of the balance groove 9 is in a sealed state, the guide block 12 and the flat rod 11 and the limit rod 11 can not move again, the limit plate 13 can not disperse the fatigue damage to the upper part of the spiral pressure rod 13, thereby prolonging the service life of the control plug-in unit 6;

when water is discharged, the pressing plate 8 moves upwards, the blocking plate 5 and the control plug-in 6 are limited by the limiting plate 13 and cannot move at the moment, so the movable plate 19 and the connecting rod 18 are reset firstly under the action of the section A of the reset spring, then the closing plate 20 opens the communicating hole 16, the limiting plate 13 also starts to slide, the blocking plate 5 is pushed by water pressure to move upwards until the blocking plate contacts with the pressing plate 8, the movable plate 19 and the connecting rod 18 are pressed, the closing plate 20 closes the communicating hole 16, and the limiting plate 13 is locked again, so no matter how large the water flow is regulated, no matter where the blocking plate 5 and the control plug-in 6 are located, the limiting plate 13 can bear the water flow pressure and impact force, the fatigue damage of the threads on the screw pressing rod 4 is reduced, and the service life is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stop valve of controlled flow size, direction, includes valve body (1), baffle (2) about the inner wall fixed connection wall of valve body (1), flow opening (3) that run through are seted up to the surface of baffle (2), the top threaded connection spiral depression bar (4) of valve body (1), shutoff board (5), its characterized in that are installed to the opening part of flow opening (3): the bottom of the plugging plate (5) is fixedly connected with a control plug-in unit (6) of the through flow port (3), a control groove (7) is formed in the outer side of the control plug-in unit (6), and the bottom of the spiral pressure rod (4) is fixedly connected with a pressure plate (8).

2. A stop valve for controlling the magnitude and direction of flow according to claim 1, wherein: the water outlet device is characterized in that the blocking plate (5) is located in the water outlet direction of the flow port (3), the blocking plate (5) is located below the pressing plate (8), the control plug-in unit (6) is attached to the inner wall of the flow port (3), and the diameter of the pressing plate (8) is larger than that of the flow port (3).

3. A stop valve for controlling the flow rate and direction according to claim 1, wherein: the control groove (7) is distributed on the outer side of the control plug-in unit (6) in a surrounding mode, the bottom wall of the control groove (7) is designed in an inclined mode, the bottom surface of the control groove (7) is lengthened and spliced to form a circular truncated cone shape with a large top and a small bottom, and the diameter of the upper portion of the circular truncated cone is smaller than that of the runner (3).

4. A stop valve for controlling the magnitude and direction of flow according to claim 1, wherein: a balance groove (9) is formed in the control plug-in (6), a sliding groove (10) communicated with the balance groove (9) is formed in the outer side of the control plug-in (6), a balance rod (11) is movably mounted in the balance groove (9), two ends of the balance rod (11) are fixedly connected with guide blocks (12), the outer side of the upper guide block (12) is fixedly connected with a limiting plate (13) extending out of the sliding groove (10), and the bottom of the lower guide block (12) is fixedly connected with a compression spring (14);

the bottom of the control plug-in (6) is provided with a movable groove (15), a communicating hole (16) is formed between the movable groove (15) and the balance groove (9), the top of the control plug-in (6) is provided with a compression groove (17), a connecting rod (18) is inserted between the compression groove (17) and the movable groove (15) in a sliding manner, two ends of the connecting rod (18) are fixedly connected with a movable plate (19), and the outer side of the movable plate (19) below is fixedly connected with a closing plate (20).

5. A stop valve for controlling the flow rate and direction according to claim 4, wherein: the balance groove (9) and the sliding groove (10) are located between the two adjacent control grooves (7), the width of the sliding groove (10) is smaller than the diameter of the balance groove (9), and the limiting plate (13) is attached to an opening below the flow opening (3).

6. A stop valve for controlling the flow rate and direction according to claim 4, wherein: the length of the balance rod (11) is greater than that of the sliding groove (10), and a sealing ring is arranged on the outer side of the guide block (12) below the balance rod.

7. A stop valve for controlling the flow rate and direction according to claim 4, wherein: the communicating hole (16) is positioned at the bottom of the balance groove (9), and the pressure plate (8) corresponds to the upper movable plate (19).

8. A stop valve for controlling the flow rate and direction according to claim 4, wherein: a return spring is arranged in the compression groove (17), and the closed plate (20) corresponds to the communication hole (16) in position.