CN219975382U - Electric hard sealing butterfly valve - Google Patents

Abstract

The utility model relates to the field of electric hard sealing butterfly valves, in particular to an electric hard sealing butterfly valve, which comprises a screw rod, one end of the screw rod is rotationally connected with the inner wall of a motor case, the other end of the screw rod movably penetrates through the inner side of the motor case and is fixedly connected with a handle, a sliding block and an L-shaped sliding block are sleeved on threads on the screw rod, a motor is installed at the bottom of the sliding block, a first gear is fixedly connected with the output end of the motor, a push rod is fixedly connected with the side face of the L-shaped sliding block, a first limiting block is fixedly installed on the inner wall of the motor case, a fixed block is fixedly sleeved on the handle, a thread column is sleeved on threads of the fixed block, two groups of threaded holes are formed in the outer wall of the motor case, the L-shaped limiting plate is tightly contacted with the limiting block by the L-shaped sliding block through the L-shaped sliding block displacement, the handle is driven to press the L-shaped limiting plate, the L-shaped limiting plate is rotated, the thread column is brought into the left threaded hole, the handle cannot rotate at the moment, the valve is ensured to be completely closed, and no collision is caused between structures in the process, and damage is caused.

Description

Electric hard sealing butterfly valve

Technical Field

The utility model relates to the field of electric hard seal butterfly valves, in particular to an electric hard seal butterfly valve.

Background

The butterfly valve, called as flap valve, is a simple structure regulating valve, and the butterfly valve capable of being used for the on-off control of low pressure pipeline medium is a valve in which the closing member (valve clack or butterfly plate) is a disc and rotates around the valve shaft to achieve the purpose of opening and closing, and the butterfly valve opening and closing member is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve in the valve body, so that the purpose of opening and closing or regulating is achieved.

An existing electric hard sealing butterfly valve is an electric explosion-proof hard sealing regulating butterfly valve, such as a publication number CN215214790U, is connected with pipelines at two sides through connecting bolt holes, a sliding support is enabled to move along a sliding rail through rotating a handle, a driving gear is meshed with a transmission gear, the driving gear and the transmission gear are driven to rotate through starting a driving motor, a rotating rod and a butterfly plate are driven to rotate, so that a valve is opened and closed, the butterfly plate is enabled to completely close the valve when rotating to the limiting plate through the two limiting plates arranged in a valve body, and meanwhile, a sealing ring is sleeved outside the butterfly plate, so that the tightness of the valve is guaranteed, and the valve is enabled to be completely sealed; the electromagnet is powered off when the driving motor is started, the permanent magnet on one side of the brake block is attracted with the electromagnet, the brake block is disengaged from the transmission gear, the electromagnet is powered on when the driving motor is powered off, the electromagnet and the brake block repel to enable the brake block to be meshed with the transmission gear, the transmission gear is braked, the position of the butterfly plate can be effectively fixed, and angular deviation of the butterfly plate caused by medium flow is avoided.

In the device, the electromagnet and the brake block repel to enable the brake block to be meshed with the transmission gear, so that the transmission gear is braked, in the process, if the butterfly plate is not completely closed, teeth on the brake block collide with teeth on the transmission gear, damage is caused to the brake block and the transmission gear, the device drives the driving motor to displace by rotating the handle, but the handle is limited by no structure, and an unstable factor exists, so that the electric hard sealing butterfly valve is provided.

Disclosure of Invention

The utility model aims to provide an electric hard sealing butterfly valve which comprises a screw, wherein one end of the screw is rotationally connected with the inner wall of a motor case, the other end of the screw movably penetrates through the inner side of the motor case and is fixedly connected with a handle, a sliding block and an L-shaped sliding block are sleeved on threads on the screw, a motor is installed at the bottom of the sliding block, a first gear is fixedly connected with the output end of the motor, a push rod is fixedly connected with the side surface of the L-shaped sliding block, a first limiting block is fixedly installed on the inner wall of the motor case, a fixed block is fixedly sleeved on the handle, a threaded column is sleeved on threads of the fixed block, and two groups of threaded holes are formed in the outer wall of the motor case.

Preferably: the motor box bottom is equipped with the valve body, the inboard bottom of valve body is equipped with down sealed axle, the bottom of bull stick is connected in the rotation of sealed axle down, bull stick top activity sets up in last sealed axle, just bull stick top fixedly connected with drive gear two.

Preferably: the gear is located inside the motor case, and the two top ends of the gear are fixedly connected with an L-shaped limiting plate.

Preferably: the sealing device is characterized in that a butterfly plate is fixedly sleeved on the outer surface of the rotating rod between the lower sealing shaft and the upper sealing shaft, and a sealing sleeve is arranged on the outer side of the butterfly plate.

Preferably: two groups of sealing baffles are arranged in the valve body, and a plurality of connecting bolt holes are formed in the valve body.

Preferably: and the second limiting block and the -shaped limiting block are fixedly connected to the inner wall of the motor box.

Preferably: the guide rod is movably penetrated through the inner sides of the sliding blocks and the L-shaped sliding blocks, the two ends of the guide rod are fixedly connected with the inner wall of the motor box, and one end of the threaded column is fixedly connected with the hand wheel.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the L-shaped slide block is displaced to drive the push rod to press the L-shaped limiting plate, so that the L-shaped limiting plate is in close contact with the limiting block, the hand wheel is rotated to bring the threaded column into the threaded hole on the left side, the handle cannot rotate, the valve is completely closed at the moment, and in the process, the structures cannot collide with each other to cause damage; the screw thread post is inserted into the screw hole, so that the motor is stable in position and cannot deviate due to the vibration of the motor during the operation.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the interior of the motor case;

FIG. 3 is a schematic view of a part of the structure;

FIG. 4 is an exploded view of a portion of the structure;

in the figure: 1. a screw; 2. a motor case; 3. a handle; 4. a slide block; 5. an L-shaped slider; 6. a motor; 7. a first gear; 8. a push rod; 9. a first limiting block; 10. a fixed block; 11. a threaded column; 12. a threaded hole; 13. a valve body; 14. a lower seal shaft; 15. a rotating rod; 16. an upper seal shaft; 17. a second gear; 18. an L-shaped limiting plate; 19. a butterfly plate; 20. a connecting bolt hole; 21. a second limiting block; 22. -shaped limiting blocks; 23. a guide rod; 24. a hand wheel; 25. and a sealing baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the electric hard sealing butterfly valve of the utility model comprises a screw 1, one end of the screw 1 is rotatably connected with the inner wall of a motor case 2, the other end of the screw 1 movably penetrates through the inner side of the motor case 2 and is fixedly connected with a handle 3, a sliding block 4 and an L-shaped sliding block 5 are sleeved on the screw 1 through threads, a motor 6 is installed at the bottom of the sliding block 4, a gear 7 is fixedly connected with the output end of the motor 6, a push rod 8 is fixedly connected with the side surface of the L-shaped sliding block 5, a limiting block 9 is fixedly installed on the inner wall of the motor case 2, a fixed block 10 is fixedly sleeved on the handle 3 through threads, a threaded column 11 is sleeved on the fixed block 10 through threads, and two groups of threaded holes 12 are formed on the outer wall of the motor case 2.

The motor box 2 bottom is equipped with valve body 13, the inboard bottom of valve body 13 is equipped with down sealed axle 14, the bottom of lower sealed axle swivelling joint bull stick 15, bull stick 15 top activity sets up in last sealed axle 16, just bull stick 15 top fixedly connected with gear two 17, clockwise rotation handle 3 drives screw rod 1 and rotates, drives slider 4 displacement for gear two 17 can be engaged to gear one 7, sets up down sealed axle 14 and goes up sealed axle 16 and ensures the closure.

The second gear 17 is located inside the motor case 2, the top end of the second gear 17 is fixedly connected with an L-shaped limiting plate 18, and the limiting plate 18 is limited in rotation range by a first limiting block 9 and a second limiting block 21.

The outer surface of the rotating rod 15 between the lower sealing shaft 14 and the upper sealing shaft 16 is fixedly sleeved with a butterfly plate 19, and the outer side of the butterfly plate 19 is provided with a sealing sleeve through which the sealing performance is ensured.

Two groups of sealing baffles 25 are arranged inside the valve body 13, a plurality of connecting bolt holes 20 are formed in the valve body 13, sealing is ensured through the two groups of sealing baffles 25, the rotation range of the butterfly plate 19 is limited, and pipelines on two sides are connected through the connecting bolt holes 20.

The second limiting block 21 and the -shaped limiting block 22 are fixedly connected to the inner wall of the motor box 2, the second limiting block 21 and the first limiting block 9 limit the rotation range of the L-shaped limiting plate 18 together, meanwhile, the rotation range of the second gear 17 is limited, the displacement range of the sliding block 4 is limited through the -shaped limiting block 22, and meanwhile, the displacement range of the L-shaped sliding block 5 is limited.

The inner sides of the sliding block 4 and the L-shaped sliding block 5 movably penetrate through the guide rod 23, two ends of the guide rod 23 are fixedly connected with the inner wall of the motor case 2, one end of the threaded column 11 is fixedly connected with the hand wheel 24, the guide rod 23 is used for providing guidance for the displacement of the sliding block 4 and the L-shaped sliding block 5, and the hand wheel 24 is rotated to drive the threaded column 11 to displace.

The working principle of the utility model is as follows: when the valve is used, pipelines on two sides are connected through the connecting bolt holes 20, the hand wheel 24 is rotated, the threaded column 11 is brought out of the threaded hole 12, the handle 3 is rotated clockwise without limitation, the screw 1 is driven to rotate, the sliding block 4 and the L-shaped sliding block 5 are driven to move, the gear I7 is meshed with the gear II 17, the hand wheel 24 is rotated at the moment, the threaded column 11 can be just brought into the right threaded hole 12, the motor 6 is enabled to be stable in position, the motor 6 is started, the gear I7 is driven to rotate, the gear II 17 is driven to rotate, the rotating rod 15 is driven to rotate by the gear II 17, the butterfly plate 19 is driven to rotate, so that the valve is closed, the L-shaped limiting plate 18 is driven to be in contact with the limiting plate I9 under the driving of the gear II 17, the purpose of ensuring that the valve is completely closed, the threaded column 11 can be just brought out of the right threaded hole 12, the handle 3 is rotated anticlockwise, the screw 1 is driven to rotate, the sliding block 4 and the L-shaped sliding block 5 are driven to move, the sliding block 4 is driven to move, the gear I7 is not meshed with the gear II 17, and meanwhile, the L-shaped sliding block 5 is driven to be driven to rotate, the limiting plate 18 is driven to be just under the L-shaped sliding block 5, the driving of the L-shaped limiting plate 18 is driven to press the L-shaped limiting plate 18, and the L-shaped limiting plate 11 is completely to be in contact with the threaded hole, and the valve is completely, the valve is completely closed, and the valve is completely pressed, and the valve is completely in contact with the threaded hole, and the threaded hole is closed when the L-shaped limiting plate is driven, and the valve is driven to be completely is driven to be closed.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (7)

1. An electric hard sealing butterfly valve, comprising a screw (1), characterized in that: the novel electric motor box comprises a motor box body, a screw rod (1), a motor (2) inner wall is rotationally connected to one end of the screw rod (1), a handle (3) is movably connected to the other end of the screw rod (1) through the inner side of the motor box body in a penetrating mode, a sliding block (4) and an L-shaped sliding block (5) are sleeved on the screw rod (1) through threads, a motor (6) is installed at the bottom of the sliding block (4), a first gear (7) is fixedly connected to the output end of the motor (6), a push rod (8) is fixedly connected to the side face of the L-shaped sliding block (5), a first limiting block (9) is fixedly installed on the motor box (2) inner wall, a fixed block (10) is fixedly sleeved on the handle (3), a threaded column (11) is sleeved on threads of the fixed block (10), and two groups of threaded holes (12) are formed in the outer wall of the motor box (2).

2. An electrically operated hard seal butterfly valve according to claim 1, wherein: the motor box is characterized in that a valve body (13) is arranged at the bottom of the motor box (2), a lower sealing shaft (14) is arranged at the bottom of the inner side of the valve body (13), the bottom of a rotating rod (15) is connected in a rotating mode through the lower sealing shaft, the top of the rotating rod (15) is movably arranged in an upper sealing shaft (16), and a gear II (17) is fixedly connected to the top of the rotating rod (15).

3. An electrically operated hard seal butterfly valve according to claim 2, wherein: the second gear (17) is positioned in the motor case (2), and the top end of the second gear (17) is fixedly connected with an L-shaped limiting plate (18).

4. An electrically operated hard seal butterfly valve according to claim 2, wherein: the outer surface of the rotating rod (15) between the lower sealing shaft (14) and the upper sealing shaft (16) is fixedly sleeved with a butterfly plate (19), and the outer side of the butterfly plate (19) is provided with a sealing sleeve.

5. An electrically operated hard seal butterfly valve according to claim 2, wherein: two groups of sealing baffles (25) are arranged inside the valve body (13), and a plurality of connecting bolt holes (20) are formed in the valve body (13).

6. An electrically operated hard seal butterfly valve according to claim 1, wherein: the second limiting block (21) and the -shaped limiting block (22) are fixedly connected to the inner wall of the motor box (2).

7. An electrically operated hard seal butterfly valve according to claim 1, wherein: the inner sides of the sliding blocks (4) and the L-shaped sliding blocks (5) movably penetrate through the guide rods (23), two ends of each guide rod (23) are fixedly connected with the inner wall of the motor case (2), and one end of each threaded column (11) is fixedly connected with the hand wheel (24).