CN220668526U

CN220668526U - Soft sealing butterfly valve

Info

Publication number: CN220668526U
Application number: CN202320716424.2U
Authority: CN
Inventors: 张坤
Original assignee: Sichuan Yibailin New Energy Co ltd
Current assignee: Sichuan Yibailin New Energy Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2024-03-26
Anticipated expiration: 2033-04-04

Abstract

The utility model relates to a soft sealing butterfly valve, which comprises a pipe body, wherein a box body is arranged in the pipe body near the middle, the bottom of the box body is movably connected with the bottom of an inner cavity of the pipe body, a limit pipe is arranged in a mounting box, a worm wheel is sleeved outside the limit pipe, a worm is meshed with the rear side of the worm wheel, the right end of the worm penetrates through the inner ring of a bearing and extends to the outside of the mounting box to be fixedly connected with a rotating wheel, a T-shaped threaded rod is arranged above the mounting box, a protection mechanism is arranged on the box body, a sealing assembly is arranged on the box body, and the protection mechanism comprises a protection cover, a control bin, a rotating shaft and a rotating disc. This soft seal butterfly valve seals the junction of valve through being equipped with seal assembly, through first sealed pad and the sealed pad of second, effectively avoids the valve to dismantle repeatedly and the phenomenon of gas leakage appears when installing, and then influences the sealed effect of valve to great stability and the practicality of valve have been increased.

Description

Soft sealing butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a soft sealing butterfly valve.

Background

The butterfly valve is also called as flap valve, and is a simple-structure regulating valve, and can be used for opening and closing low-pressure pipeline medium.

In the related art, chinese patent document with application number CN201922400673.7 proposes a soft sealing butterfly valve, it rotates the T-shaped threaded rod clockwise or anticlockwise, because of the limiting effect of the connecting rod, thereby can make the screwed pipe slide up and down on the T-shaped threaded rod, and make the screwed pipe drive two butterfly plates to be close to or keep away from each other through the connecting rod, thereby can realize adjusting the left and right positions of butterfly plates, can realize moving two butterfly plates into the box body, can effectually improve its availability factor, rotate the wheel clockwise or anticlockwise, rotate the wheel and drive worm clockwise or anticlockwise rotation, the worm is stirred the worm wheel and is rotated, and make the limiting tube drive the box body rotate, can realize rotating two butterfly plates, thereby can realize deflecting the butterfly plates, can effectually improve its water outlet efficiency, the setting of two filter screens can realize carrying out filter treatment to the water through the pipe body.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the device leads to T shape threaded rod and rotates the setting of wheel, carries out filtration treatment to the water yield in the pipeline and the water in the pipe body, but because T shape threaded rod and rotate the wheel and expose outside and use in chemical production, probably bump T shape threaded rod and rotate the wheel because of external reason to T shape threaded rod and rotate the wheel and bump the damage, and can appear the T shape threaded rod of this valve and rotate the circumstances that the wheel is corroded by the chemicals in the chemical production, T shape threaded rod and rotate the wheel and be corroded the back, can influence T shape threaded rod and rotate the normal use of wheel, and then influence the normal operating of this valve.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a soft sealing butterfly valve which has the advantages of convenience and the like and solves the traditional problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the soft sealing butterfly valve comprises a pipe body, a box body is arranged in the pipe body near the middle, the bottom of the box body is movably connected with the bottom of an inner cavity of the pipe body, a limit pipe is arranged in a box body of the installation box, a worm wheel is sleeved outside the limit pipe, a worm is meshed with the rear side of the worm wheel, the right end of the worm penetrates through the inner ring of a bearing and extends to the outside of the box body of the installation box to be fixedly connected with a rotating wheel, a T-shaped threaded rod is arranged above the box body of the installation box, a protection mechanism is arranged on the box body, and a sealing assembly is arranged on the box body;

the protection mechanism comprises a protection cover, a control bin, a rotating shaft, a rotating disc, a rope belt, a first partition plate, a second partition plate, a limiting rod, a spring, a fixing block and a telescopic rod, wherein the protection cover is hinged to the upper surface of a box body through a hinge bracket, the control bin is fixed to the left side of the protection cover, the first fixing block is fixed to the left side of the box body, the rotating shaft is installed in the control bin in a rotating mode, the rotating disc is fixed to the rotating shaft, the rope belt is fixed to the rotating disc, the first partition plate is transversely arranged in the control bin, two telescopic rods are fixed to the lower end of the first partition plate, the spring is sleeved outside the telescopic rod, the second partition plate is fixed to the lower end of the telescopic rod, the inserting rod is fixed to the lower end of the second partition plate, the inserting rod is arranged on one side of the second partition plate, the first fixing block is provided with a groove, and the inserting rod is located in the groove and is in butt joint with the inserting rod.

Further, a sliding groove is formed in the inner side of the control bin, and the second partition plate is connected with the sliding groove in a sliding mode.

Further, a handle is fixed at one end of the rotating shaft, and the handle is star-shaped.

Further, the lower end of the spring is fixed with the upper end of the second partition board, and the upper end of the spring is fixed with the lower end of the first partition board.

Further, seal assembly includes closing plate, first sealed pad, fixed slot, second sealed pad, the fixed slot has been seted up to the box body upper end, and the fixed slot is inside to be fixed with the second sealed pad, the upper surface of T shape threaded rod is fixed with first closing plate through the bolt, the lower surface of first closing plate is fixed with first sealed pad.

Further, the outer diameter of the first sealing gasket is matched with the inner diameter of the fixing groove, and the fixing groove is located on the longitudinal central axis of the T-shaped threaded rod.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this soft seal butterfly valve through being equipped with protection machanism, when needs protect T shape threaded rod and rotation wheel, accessible protection machanism protects T shape threaded rod and rotation wheel, avoids external reason and the corruption of chemical rotten to T shape threaded rod and rotation wheel in chemical production.

2. This soft seal butterfly valve through being equipped with seal assembly, seals the junction with the valve through first sealed pad and second sealed pad, effectively avoids the valve to dismantle repeatedly with the phenomenon of gas leakage appears when the installation, and then influences the sealed effect of valve to great stability and the practicality of valve have been increased.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

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

FIG. 3 is a schematic view of the structure of the tube and the case of the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 3;

FIG. 5 is an enlarged view of the utility model at B in FIG. 2;

FIG. 6 is an enlarged view of FIG. 4 at C in accordance with the present utility model;

fig. 7 is a schematic view of a three-dimensional structure of the tube and the box of the present utility model.

In the figure: the sealing device comprises a tube body 1, a box body 2, a protection mechanism 3, a protection cover 301, a control bin 302, a rotating shaft 303, a rotating disc 304, a rope belt 305, a first partition plate 306, a second partition plate 307, a limit rod 308, a spring 309, a fixing block 310, a telescopic rod 311, a worm 4, a worm wheel 5, a T-shaped threaded rod 6, a sealing component 7, a sealing plate 701, a first sealing pad 702, a fixing groove 703 and a second sealing pad 704.

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. 1-3 and fig. 5, the soft sealing butterfly valve in this embodiment includes a tube 1, a box 2 is disposed in the tube 1 near the middle, the bottom of the box 2 is movably connected with the bottom of the inner cavity of the tube 1, a limit tube is disposed in the box 2, a worm wheel 5 is sleeved outside the limit tube, a worm 4 is meshed with the rear side of the worm wheel 5, the right end of the worm 4 passes through the inner ring of the bearing and extends to the box 2 to be fixedly connected with a rotating wheel, a T-shaped threaded rod 6 is disposed above the box 2, a protection mechanism 3 is disposed on the box 2, and a sealing assembly 7 is disposed on the box 2.

The protection mechanism 3 comprises a protection cover 301, a control cabin 302, a rotating shaft 303, a rotating disc 304, a rope belt 305, a first partition plate 306, a second partition plate 307, a limiting rod 308, a spring 309, a fixing block 310 and a telescopic rod 311, wherein the protection cover 301 is hinged to the upper surface of the box body 2 through a hinge bracket, the control cabin 302 is fixed to the left side of the protection cover 301, the first fixing block 310 is fixed to the left side of the box body 2, the rotating shaft 303 is rotatably installed in the control cabin 302, the rotating disc 304 is fixed to the rotating shaft 303, the rope belt 305 is fixed to the rotating disc 304, the first partition plate 306 is transversely arranged in the control cabin 302, two telescopic rods 311 are fixed to the lower end of the first partition plate 306, the spring 309 is sleeved outside the telescopic rod 311, the lower end of the spring 309 is fixed to the upper end of the second partition plate 307, the upper end of the spring 309 is fixed to the lower end of the first partition plate 306, the second partition plate 307 is fixed to the lower end of the telescopic rod 311, the lower end of the rope belt 305 is fixed to one side of the second partition plate 307, a groove is formed in the first fixing block 310, and the groove is formed in the groove and is in abutting contact with the groove.

The device is through rotating pivot 303, pivot 303 pulling rope belt 305 on the carousel 304 to rope belt 305 pulls second baffle 307 and inserted bar, and the spring 309 of rethread second baffle 307 extrusion is retracted, and the spring 309 is retracted again by second baffle 307 drive inserted bar removal outside the recess, and then opens control storehouse 302, and rethread spring 309's retractibility drives second baffle 307 and inserted bar removal, in the inserted bar removes to the recess, can close control storehouse 302.

Wherein, the inside of the control cabin 302 is provided with a chute, and the second partition 307 is slidably connected with the chute, so that the second partition 307 is more stable in up-and-down movement.

Meanwhile, a handle is fixed at one end of the rotating shaft 303, and the handle is star-shaped, so that the rotating of workers is facilitated.

Referring to fig. 4 and fig. 6-7, in order to improve the sealing performance of the valve, the sealing assembly 7 in this embodiment includes a sealing plate 701, a first sealing pad 702, a fixing groove 703, and a second sealing pad 704, the upper end of the box 2 is provided with the fixing groove 703, the second sealing pad 704 is fixed in the fixing groove 703, the first sealing plate 701 is fixed on the upper surface of the T-shaped threaded rod 6 through a bolt, the first sealing pad 702 is fixed on the lower surface of the first sealing plate 701, the outer diameter of the first sealing pad 702 is adapted to the inner diameter of the fixing groove 703, and the fixing groove 703 is located on the longitudinal central axis of the T-shaped threaded rod 6.

The device has sealing performance through the fixed second sealing gasket 704 in fixed slot 703 inside, increases the sealed effect of T shape threaded rod 6 inside box body 2, and the sealed effect of sealing plate 701 and T shape threaded rod 6 upper surface junction is increased in its effect of first sealing gasket 702 to greatly increased the sealing performance of valve.

The working principle of the embodiment is as follows:

through rotating the rotating shaft 303, the rotating shaft 303 pulls the rope belt 305 on the rotating disc 304, thereby the rope belt 305 pulls the second partition 307 and the inserted link, the spring 309 extruded by the second partition 307 is retracted, the inserted link is driven by the second partition 307 to move outside the groove, the control cabin 302 is opened, the second partition 307 and the inserted link are driven by the retractility of the spring 309 to move, when the inserted link moves into the groove, the control cabin 302 can be closed, the T-shaped threaded rod 6 and the rotating wheel are protected, the second sealing gasket 704 fixed in the fixing groove 703 has sealing performance, the sealing effect of the T-shaped threaded rod 6 in the box body 2 is improved, the sealing effect of the junction of the upper surfaces of the sealing plate 701 and the T-shaped threaded rod 6 is improved by the first sealing gasket 702, and the sealing performance of the valve is greatly improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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 soft sealing butterfly valve comprises a pipe body (1), and is characterized in that: the novel multifunctional self-locking box is characterized in that a box body (2) is arranged in the pipe body (1) near the middle, the bottom of the box body (2) is movably connected with the bottom of an inner cavity of the pipe body (1), a limiting pipe is arranged in the box body (2), a worm wheel (5) is sleeved outside the limiting pipe, a worm (4) is meshed with the rear side of the worm wheel (5), the right end of the worm (4) penetrates through the inner ring of a bearing and extends to the box body (2) to be fixedly connected with a rotating wheel, a T-shaped threaded rod (6) is arranged above the box body (2), a protection mechanism (3) is arranged on the box body (2), and a sealing assembly (7) is arranged on the box body (2);

the protection mechanism (3) comprises a protection cover (301), a control bin (302), a rotating shaft (303), a rotary table (304), a rope belt (305), a first partition board (306), a second partition board (307), a limiting rod (308), a spring (309), a fixed block and a telescopic rod, wherein the protection cover (301) is hinged to the upper surface of the box body (2) through a hinge bracket, the control bin (302) is fixed to the left side of the protection cover (301), the first fixed block is fixed to the left side of the box body (2), the rotating shaft (303) is rotatably installed in the control bin (302), the rotary table (304) is fixed to the rotating shaft (303), the rope belt (305) is fixed on the rotary table (304), a first partition plate (306) is transversely arranged in the control bin (302), two telescopic rods are fixed at the lower end of the first partition plate (306), springs (309) are sleeved outside the telescopic rods, a second partition plate (307) is fixed at the lower end of each telescopic rod, an inserting rod is fixed at the lower end of each second partition plate (307), the lower end of the rope belt (305) is fixed with one side of each second partition plate (307), a groove is formed in the first fixing block, and the inserting rods are located in the grooves and are in butt joint with the grooves.

2. The soft seal butterfly valve of claim 1, wherein: the inner side of the control bin (302) is provided with a sliding groove, and the second partition plate (307) is in sliding connection with the sliding groove.

3. The soft seal butterfly valve of claim 1, wherein: one end of the rotating shaft (303) is fixed with a handle, and the handle is star-shaped.

4. The soft seal butterfly valve of claim 1, wherein: the lower end of the spring (309) is fixed with the upper end of the second partition plate (307), and the upper end of the spring (309) is fixed with the lower end of the first partition plate (306).

5. The soft seal butterfly valve of claim 1, wherein: the sealing assembly (7) comprises a sealing plate, a first sealing gasket, a fixing groove and a second sealing gasket, the fixing groove is formed in the upper end of the box body (2), the second sealing gasket is fixed inside the fixing groove, the first sealing plate is fixed on the upper surface of the T-shaped threaded rod (6) through bolts, and the first sealing gasket is fixed on the lower surface of the first sealing plate.

6. The soft seal butterfly valve of claim 5, wherein: the outer diameter of the first sealing gasket is matched with the inner diameter of the fixing groove, and the fixing groove is positioned on the longitudinal central axis of the T-shaped threaded rod (6).