CN220727268U

CN220727268U - Industrial valve with good sealing performance

Info

Publication number: CN220727268U
Application number: CN202322534300.5U
Authority: CN
Inventors: 蔡闯; 李广涛; 蒋学兵; 陈广超; 陶殿瑞
Original assignee: Henan Huanneng Valve Equipment Co ltd
Current assignee: Henan Huanneng Valve Equipment Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-04-05
Anticipated expiration: 2033-09-14

Abstract

The utility model relates to the technical field of sealing valves and discloses an industrial valve with good sealing performance, which comprises a sealing valve body, wherein connecting pipelines are fixedly connected to two sides of the sealing valve body, the connecting pipelines are communicated with the inside of the sealing valve body, the industrial valve with good sealing performance can ensure that the moment of a worm is amplified by a worm wheel for several times when the structure is operated through the speed reduction property of the worm wheel and the worm, so that a motor can have enough force to open a movable sealing gate, the problems that a high-power motor is used for controlling the opening and closing of the valve, the energy consumption is high, the motor is easy to damage during long-time operation are avoided, and meanwhile, the worm wheel and the worm also have self-locking property, can not generate autorotation due to the limitation of the worm when the worm wheel is subjected to external force, can not open the movable sealing gate, and the stability of the valve in use is improved.

Description

Industrial valve with good sealing performance

Technical Field

The utility model relates to the technical field of sealing valves, in particular to an industrial valve with good sealing performance.

Background

Industrial valves are an important accessory for controlling the flow of media on industrial pipelines, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valve consists of a sealing valve body, an opening and closing mechanism and a valve cover.

The existing heavy sealing valve is generally driven by a high-power motor to open and close, and the motor is directly driven by the motor to cause high motor load, so that the motor has high failure probability under long-time load, and the valve is inconvenient to open manually after the failure.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the industrial valve with good sealing performance, has the advantages of high stability and the like, and solves the problems that the high-power motor is used for controlling the valve to be opened and closed, the energy consumption is high, the motor is easy to damage when operated for a long time.

(II) technical scheme

In order to achieve the purpose of high stability, the utility model provides the following technical scheme: the industrial valve with good sealing performance comprises a sealing valve body, wherein connecting pipelines are fixedly connected to two sides of the sealing valve body, the connecting pipelines are communicated with the inside of the sealing valve body, and flange connecting discs for connecting the pipelines are fixedly connected to the opposite surfaces of the two connecting pipelines;

the external surface of the sealing valve body is provided with a moment-increasing speed reducer, the moment-increasing speed reducer comprises a sliding seat, and the sliding seat is fixedly connected to an opening at the upper end of the sealing valve body;

the upper end of the sliding seat is rotationally connected with a nut seat, the inner thread of the nut seat is connected with a threaded rod, the lower surface of the threaded rod is fixedly connected with a movable sealing gate for blocking liquid, and the movable sealing gate is in sliding connection with the inner wall of the sealing valve body;

the outer surface of the threaded rod is provided with two sliding grooves, sliding strips are connected in the two sliding grooves in a sliding manner, and the sealing valve body surfaces of the two sliding strips opposite to each other are connected with the inner wall of the nut seat in a rotating manner;

the sliding strip is fixedly connected with the inner wall of the sliding seat, and a worm wheel for increasing torque is fixedly sleeved on the outer surface of the nut seat.

Preferably, the front surface of the sealing valve body is fixedly connected with a first fixing plate, the rear surface of the sealing valve body is fixedly connected with a second fixing plate, a worm shaft is rotationally connected between the second fixing plate and the first fixing plate, and a worm is fixedly sleeved on the outer surface of the worm shaft and is in meshed connection with the worm wheel.

Preferably, the outer surface of the worm shaft is fixedly sleeved with a large gear for increasing torque, and the right surface of the sealing valve body is fixedly connected with a motor for providing power.

Preferably, the outer surface of the output shaft of the motor is fixedly sleeved with a pinion, the pinion is meshed with the large gear, and the front end of the output shaft of the motor rotates to penetrate through the front surface of the first fixing plate.

Preferably, a rotating block for manual rotation is fixedly sleeved at the front end of the output shaft of the motor, and a rotating hole is formed in the rotating block.

(III) beneficial effects

Compared with the prior art, the utility model provides the industrial valve with good sealing performance, which has the following beneficial effects:

1. this industrial valve that sealing performance is good, through the starter motor, the output shaft of motor drives the pinion rotation on it, the tooth through on it drives the gear wheel rotation when the pinion is rotatory, the worm is rotatory through the worm shaft drive during gear wheel rotation, the rotation effort through a big one little two gear wheel's operation can make the motor can be by the increase of multiple, through the helicla flute on the worm is rotatory, apply effort to the tooth on the worm wheel, thereby make the worm wheel can drive the nut seat on it and rotate along the axle center of threaded rod together, the speed reduction nature that the worm wheel and worm that possess through setting up can make this structure when the operation, the moment of worm is amplified several times by the worm wheel, make the motor can possess enough strength with movable sealing gate open, the valve is opened and closed to the high-power motor control of having avoided using, the high-consumption is long and the problem that the motor of operation holds easily damaged in a time, simultaneously also possess the self-locking nature when receiving external effort, self can receive the restriction of worm, can not produce the rotation by the self-locking, can not open movable sealing gate, stability when using this worm wheel has been improved.

2. The industrial valve with good sealing performance is characterized in that through the arranged rotating block, under the condition of power failure or motor failure damage, a worker can insert a crowbar into a rotating hole of the rotating block to rotate, and can manually drive the pinion and a series of structures to operate, so that the purpose of manually controlling the valve to be opened and closed is realized.

Drawings

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

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

FIG. 3 is a schematic diagram of the structure A in FIG. 1 according to the present utility model.

In the figure: 1. sealing the valve body; 2. a connecting pipe; 3. a flange connection disc; 4. a sliding seat; 5. a threaded rod; 6. a sliding bar; 7. a sliding groove; 8. a nut seat; 9. a worm wheel; 10. a movable sealing gate; 11. a first fixing plate; 12. a second fixing plate; 13. a worm shaft; 14. a worm; 15. a large gear; 16. a motor; 17. a pinion gear; 18. and rotating the block.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1-3, the present utility model provides a new technical solution: the industrial valve with good sealing performance comprises a sealing valve body 1, connecting pipelines 2 are fixedly connected to two sides of the sealing valve body 1, the connecting pipelines 2 are communicated with the inside of the sealing valve body 1, flange connecting discs 3 used for connecting the pipelines are fixedly connected to the opposite sides of the two connecting pipelines 2, a speed reducing device for increasing torque is arranged on the outer surface of the sealing valve body 1, the speed reducing device for increasing torque comprises a sliding seat 4, the sliding seat 4 is fixedly connected to the opening of the upper end of the sealing valve body 1, a nut seat 8 is rotatably connected to the upper end of the sliding seat 4, a threaded rod 5 is connected to the inner thread of the nut seat 8, a movable sealing gate 10 for blocking liquid is fixedly connected to the lower surface of the threaded rod 5, the movable sealing gate 10 is in sliding connection with the inner wall of the sealing valve body 1, two sliding grooves 7 are formed in the outer surface of the threaded rod 5, sliding strips 6 are slidably connected to the two sliding grooves 7, the surfaces of the sealing valve bodies 1 with the two sliding strips 6 opposite to each other are rotationally connected with the inner wall of the nut seat 8, the sliding strips 6 are fixedly connected with the inner wall of the sliding seat 4, a worm wheel 9 for increasing torque is fixedly sleeved on the outer surface of the nut seat 8, a first fixing plate 11 is fixedly connected with the front surface of the sealing valve body 1, a second fixing plate 12 is fixedly connected with the rear surface of the sealing valve body 1, a worm shaft 13 is rotationally connected between the second fixing plate 12 and the first fixing plate 11, a worm 14 is fixedly sleeved on the outer surface of the worm shaft 13, the worm 14 is meshed with the worm wheel 9, a large gear 15 for increasing torque is fixedly sleeved on the outer surface of the worm shaft 13, a motor 16 for providing power is fixedly connected on the right surface of the sealing valve body 1, a pinion 17 is fixedly sleeved on the outer surface of an output shaft of the motor 16, the pinion 17 is meshed with the large gear 15, the front end of the output shaft of the motor 16 rotates to penetrate through the front surface of the first fixed plate 11, the front end of the output shaft of the motor 16 is fixedly sleeved with a rotating block 18 for manual rotation, a rotating hole is formed in the rotating block 18, when in use, the motor 16 is started, the output shaft of the motor 16 drives a pinion 17 on the rotating block to rotate, the pinion 17 drives a gear wheel 15 to rotate through teeth on the motor, the gear wheel 15 drives a worm 14 to rotate through a worm shaft 13 when the gear wheel 15 rotates, the rotation acting force of the motor 16 can be multiplied through the operation of a large gear wheel and a small gear wheel, the worm 14 applies acting force to the teeth on the worm wheel 9 through a spiral groove on the self body when in rotation, so that the worm wheel 9 can drive a nut seat 8 on the worm wheel 9 to rotate along the axis of the threaded rod 5, and the structure can be enabled to be operated through the speed reduction of the worm wheel 9 and the worm 14 when in operation, the moment of the worm 14 is amplified by the worm wheel 9 for several times, so that the motor 16 can have enough force to open the movable sealing gate 10, the problems that a high-power motor is used for controlling the opening and closing of the valve, the energy consumption is high and the motor 16 is easy to damage when the motor 16 is operated for a long time are avoided, meanwhile, the worm wheel 9 and the worm 14 also have self-locking property, when the worm wheel 9 is subjected to external acting force, the worm 14 can not generate autorotation by itself, the movable sealing gate 10 is not opened, the stability of the valve in use is improved, the nut seat 8 applies upward acting force to the threaded rod 5 through the threads of the inner wall of the nut seat 8 when rotating, so that the threaded rod 5 can drive the movable sealing gate 10 to move upwards in the axial direction of the two sliding strips 6, the movable sealing gate 10 can be separated from the original position to communicate the space between the two connecting pipelines 2, through the rotating block 18, under the condition of power failure or failure and damage of the motor 16, a worker can insert a crowbar into a rotating hole of the rotating block 18 to rotate, and can manually drive the pinion 17 and a series of structures to operate, thereby realizing the purpose of manually controlling the opening and closing of the valve.

Working principle: during the use, through start motor 16, the output shaft of motor 16 drives the pinion 17 rotation on it, the tooth through on it drives gear wheel 15 rotation when the pinion 17 is rotatory, the worm 14 is rotated through worm shaft 13 drive when gear wheel 15 is rotatory, the rotation effort through a big one little two gears can make motor 16's increase by the multiple, through the helicla flute on worm 14 rotates, apply the effort to the tooth on worm wheel 9, thereby make worm wheel 9 can drive the nut seat 8 on it and rotate along the axle center of threaded rod 5 together, the speed reducibility that possesses through worm wheel 9 and worm 14 that sets up, can make this structure when the operation, the moment of worm 14 is enlarged several times by worm wheel 9, make motor 16 can possess sufficient strength and open movable seal gate 10, worm wheel 9 and worm 14 also possess the self-locking nature simultaneously, can not receive the restriction of worm 14 when external effort when worm wheel 9, can not produce self-rotation seal 10 open, the screw rod 8 rotates, apply the screw thread 5 through self inner wall to the screw 5, thereby make the nut seat 8 can drive the upper thread 5 and upwards rotate the sealing block 10, thereby can be broken down in order to realize the manual valve gate that can be opened by the two places through the manual valve of a series of motion, can realize the manual valve gate 18, can be opened through the axial line of rotation of speed of rotation of the two blocks of the valve 16, and the manual valve can be realized, and the manual valve can be opened through the position of a series of movement of the axial line of movement gate 18, and the valve can be realized through the manual movement of the valve, and the valve is 18.

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

Claims

1. The utility model provides an industrial valve that sealing performance is good, includes sealed valve body (1), its characterized in that: the two sides of the sealing valve body (1) are fixedly connected with connecting pipelines (2), the connecting pipelines (2) are communicated with the inside of the sealing valve body (1), and the opposite sides of the two connecting pipelines (2) are fixedly connected with flange connecting discs (3) for connecting the pipelines;

the external surface of the sealing valve body (1) is provided with a moment-increasing speed reducer, the moment-increasing speed reducer comprises a sliding seat (4), and the sliding seat (4) is fixedly connected to the opening at the upper end of the sealing valve body (1);

the upper end of the sliding seat (4) is rotationally connected with a nut seat (8), the internal thread of the nut seat (8) is connected with a threaded rod (5), the lower surface of the threaded rod (5) is fixedly connected with a movable sealing gate (10) for blocking liquid, and the movable sealing gate (10) is in sliding connection with the inner wall of the sealing valve body (1);

the outer surface of the threaded rod (5) is provided with two sliding grooves (7), sliding strips (6) are connected in the two sliding grooves (7) in a sliding manner, and the surfaces of the sealing valve bodies (1) with the two sliding strips (6) opposite to each other are rotationally connected with the inner wall of the nut seat (8);

the sliding strip (6) is fixedly connected with the inner wall of the sliding seat (4), and a worm wheel (9) for increasing torque is fixedly sleeved on the outer surface of the nut seat (8).

2. An industrial valve with good sealing performance according to claim 1, wherein: the front surface of the sealing valve body (1) is fixedly connected with a first fixing plate (11), the rear surface of the sealing valve body (1) is fixedly connected with a second fixing plate (12), a worm shaft (13) is rotatably connected between the second fixing plate (12) and the first fixing plate (11), a worm (14) is fixedly sleeved on the outer surface of the worm shaft (13), and the worm (14) is meshed with the worm wheel (9).

3. An industrial valve with good sealing performance according to claim 2, characterized in that: the external surface of the worm shaft (13) is fixedly sleeved with a large gear (15) for increasing torque, and the right surface of the sealing valve body (1) is fixedly connected with a motor (16) for providing power.

4. An industrial valve with good sealing performance according to claim 3, wherein: the external surface of the output shaft of the motor (16) is fixedly sleeved with a pinion (17), the pinion (17) is connected with a large gear (15) in a meshed mode, and the front end of the output shaft of the motor (16) rotates to penetrate through the front surface of the first fixing plate (11).

5. An industrial valve with good sealing performance according to claim 4, wherein: the front end of the output shaft of the motor (16) is fixedly sleeved with a rotating block (18) for manual rotation, and the rotating block (18) is provided with a rotating hole.