CN220016179U

CN220016179U - Flow regulating device of butterfly valve

Info

Publication number: CN220016179U
Application number: CN202321600478.9U
Authority: CN
Inventors: 盛凯; 居忠义
Original assignee: Yangzhou Ouweijia Machinery Co ltd
Current assignee: Yangzhou Ouweijia Machinery Co ltd
Priority date: 2023-06-24
Filing date: 2023-06-24
Publication date: 2023-11-14
Anticipated expiration: 2033-06-24

Abstract

The utility model relates to the technical field of flow regulation of butterfly valves, in particular to a flow regulation device of a butterfly valve, which comprises a valve body box, wherein two valve body connecting pipes I are fixedly connected to the outer side wall of the valve body box in a communicated manner, a valve body connecting pipe II is fixedly connected to the outer side wall of the valve body box in a communicated manner, flanges are fixedly sleeved at one ends, deviating from the valve body box, of the valve body connecting pipe I and the valve body connecting pipe II, a shaft rod is rotatably connected to the inner part of the valve body connecting pipe I, a disc is fixedly arranged on the outer side of the shaft rod, and a T-shaped pipe is arranged in the valve body box. According to the utility model, the second piston is moved downwards to push the water injection through rotating the threaded rod, the water pressure enables the sliding rod to slide out of the special-shaped pipe, the sliding rod pushes the disc to rotate, the first valve body is enabled to be connected with the inner part of the first valve body to be opened for facilitating fluid flow, the second screw plug is enabled to be continuously pressed down through continuously moving the threaded rod downwards, the moving distance of the sliding rod is further increased, the space for rotating and unfolding the disc is increased, the flow of fluid per unit time is increased, and flexible adjustment of the flow of fluid is realized.

Description

Flow regulating device of butterfly valve

Technical Field

The utility model relates to the technical field of flow regulation of butterfly valves, in particular to a flow regulation device of a butterfly valve.

Background

The butterfly valve is also called as a flap valve, is a regulating valve with a simple structure, can be used for controlling the opening and closing of low-pressure pipeline media, and is a valve which is formed by rotating a closing member (a valve clack or a butterfly plate) around a valve shaft to be opened and closed, 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;

most butterfly valves in the prior art are installed in series in a single-channel pipeline and used for controlling the flow of fluid in the single pipeline, when the two-way pipeline is met and the butterfly valve is required to be installed for controlling the flow of fluid, the butterfly valve is required to be installed in each pipeline forming the two-way pipeline, then the rotating shafts on each disc are respectively rotated to realize the on-off of the control valve body, the valve bodies are rotated for a plurality of times to carry out flow regulation, a large amount of time is consumed, and the efficiency of the flow regulation of the butterfly valve is poor.

Disclosure of Invention

In order to overcome the technical problems, the utility model aims to provide a flow regulating device of a butterfly valve, which is characterized in that a second piston moves downwards to push water injection through rotating a threaded rod, a sliding rod is moved out of a special pipe in a sliding way by water pressure, a disc is pushed by the sliding rod to rotate, a valve body is connected with the first inner part to be opened for facilitating fluid flow, two butterfly valves are omitted to be installed and each butterfly valve is respectively rotated to be opened, the opening and closing efficiency of the disc of the butterfly valve are improved, the second screw plug is continuously pressed downwards through continuously moving the threaded rod, the moving distance of the sliding rod is further increased, the rotating and unfolding space of the disc is increased, the flow of fluid per unit time is increased, and the flexible regulation of the flow of fluid is realized.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a flow control device of butterfly valve, includes the valve body box, the lateral wall intercommunication of valve body box is fixed with two symmetrical distribution's valve body takeover one, the lateral wall intercommunication of valve body box is fixed with valve body takeover two, valve body takeover one and valve body takeover two one and deviate from the one end of valve body box all cup joint and be fixed with the flange, valve body takeover one inside rotation is connected with the axostylus axostyle, the outside of axostylus axostyle is fixed with the disc, the inside of valve body box is provided with T-shaped pipe, the both ends of T-shaped pipe bottom all communicate and are fixed with the special-shaped pipe, the inside sliding connection of special-shaped pipe has the slide bar that is used for driving disc pivoted, the open end of valve body box is fixed with the roof, the roof is run through on T-shaped pipe top, the bottom surface of roof is fixed with the sleeve pipe, the inside sliding connection of sleeve pipe has piston two, the top swing joint of sleeve has the threaded rod that is used for driving piston two removal.

The method is further characterized in that: the top end of the sleeve is fixed with a rotating seat, and the rotating seat is connected with the threaded rod in a screwing way.

The method is further characterized in that: the top of threaded rod is fixed with the lantern ring, the outside of lantern ring is annular equiangular fixation and has a plurality of connecting rods, and is a plurality of be fixed with the runner between the connecting rod.

The method is further characterized in that: the two ends of the valve body box are fixed with cross beams, and the special-shaped pipe is fixedly spliced with the cross beams at the corresponding positions.

The method is further characterized in that: one end of the sliding rod is fixed with a hemispherical block, the hemispherical block is abutted to the disc at the corresponding position, the other end of the sliding rod is fixed with a first piston, and the first piston is in sliding connection with the special-shaped pipe.

The method is further characterized in that: the valve body is connected with the shaft rod through a torsion spring, and the torsion spring is arranged between the shaft rod and the rotation hole.

The method is further characterized in that: the outer side of the disc is sleeved and fixed with a sealing rubber ring, and a plurality of mounting holes are formed in the outer side of the flange in a circular equal-angle through mode.

The utility model has the beneficial effects that:

1. the valve body connecting pipe I is communicated and fixed with pipelines at different positions, the valve body connecting pipe I is communicated and fixed with the fluid conveying pipelines, the rotating wheel rotates the threaded rod on the rotating seat to rotate and gradually move downwards, at the moment, the threaded rod drives the piston II to move downwards along the sleeve, the piston conveys water inside the sleeve (proper amount of water is injected into the sleeve in advance) to the two special pipes through the T-shaped pipe, the air flow pushes the piston I inside the special pipes to gradually move out the sliding rod along the special pipes, the end part of the sliding rod pushes the disc to gradually rotate and open the disc by taking the shaft rod as an axis, synchronous opening of the two discs is realized, the outside two-way pipelines can conveniently and synchronously open and convey fluid, two butterfly valves are omitted, each butterfly valve is respectively rotated and opened, the opening and closing efficiency of the disc of the butterfly valve is improved, and as the moving distance of the piston II is increased, the water flow pressure entering the inside the special pipes is gradually increased, the moving distance of the sliding rod is increased, the rotating and the expanding amplitude of the disc is increased, and the fluid flow of the disc through the disc is increased in unit time, and the fluid flow is flexibly adjusted;

2. through being provided with torsion spring between the both ends of axostylus axostyle and valve body takeover one, the in-process torsion spring is in torsion shrinkage state is opened in the disc rotation, and when threaded rod reverse rotation made piston two upwards move along the sleeve pipe, rivers no longer give the slide bar thrust, make the disc after rotating use the axostylus axostyle as the axis reverse rotation this moment under torsion spring elastic force, realize that the disc gradually takes over one sealedly with the valve body, realize reverse rotation threaded rod and make the bi-pass pipeline seal simultaneously.

Drawings

The utility model is further described below with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the internal structure of the valve body case according to the present utility model;

FIG. 3 is a schematic view of an internal structure of a valve body adapter according to the present utility model;

FIG. 4 is a schematic view of a split three-dimensional state structure of a special pipe and a sliding rod in the utility model;

fig. 5 is a schematic view of the internal structure of the sleeve according to the present utility model.

In the figure: 100. a valve body case; 110. the valve body is connected with the first pipe; 120. a valve body connecting pipe II; 130. a cross beam; 200. a flange; 210. a mounting hole; 300. a shaft lever; 310. a disc; 311. sealing the rubber ring; 400. a T-shaped pipe; 410. a special-shaped tube; 411. a slide bar; 4111. a first piston; 500. a sleeve; 510. a second piston; 520. a rotating seat; 600. a threaded rod; 610. a rotating wheel.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, 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. 1-5, a flow regulator of a butterfly valve includes a valve body box 100, two symmetrically distributed valve body connection pipes 110 are fixedly connected to an outer side wall of the valve body box 100, a valve body connection pipe two 120 is fixedly connected to an outer side wall of the valve body box 100, a flange 200 is fixedly sleeved at one end of the valve body connection pipe two 110, which is away from the valve body box 100, a shaft lever 300 is rotatably connected to an inner side of the valve body connection pipe one 110, a disc 310 is fixedly arranged at an outer side of the shaft lever 300, a T-shaped pipe 400 is arranged in the valve body box 100, two ends of the bottom of the T-shaped pipe 400 are fixedly connected to a special-shaped pipe 410, a sliding rod 411 for driving the disc 310 to rotate is fixedly connected to an inner side of the special-shaped pipe 410, a top plate is fixedly arranged at an open end of the valve body box 100, a sleeve 500 penetrates through the top plate, a sleeve 500 is fixedly arranged on the bottom surface of the top plate, a piston two 510 is slidingly connected to an inner side of the sleeve 500, and a threaded rod 600 for driving the piston two 510 to move is rotatably connected to the top of the sleeve 500.

A rotating seat 520 is fixed at the top end of the sleeve 500, and the rotating seat 520 is in screwed connection with the threaded rod 600, so that the threaded rod 600 rotates to move up and down with the piston II 510; the top end of the threaded rod 600 is fixed with a lantern ring, the outer side of the lantern ring is annular and is fixed with a plurality of connecting rods at equal angles, a rotating wheel 610 is fixed between the plurality of connecting rods, and the rotating wheel 610 is convenient for carrying the threaded rod 600 to rotate; the two ends of the interior of the valve body box 100 are respectively fixed with a beam 130, and the special-shaped pipe 410 is fixedly inserted with the beams 130 at the corresponding positions, so that the special-shaped pipe 410 is stably fixed in the interior of the valve body box 100; one end of the sliding rod 411 is fixed with a hemispherical block, the hemispherical block is abutted against the disc 310 at the corresponding position, the other end of the sliding rod 411 is fixed with a first piston 4111, the first piston 4111 is in sliding connection with the special-shaped tube 410, the hemispherical block prevents the end of the sliding rod 411 from poking the disc 310, and the first piston 4111 is convenient to move inside the special-shaped tube 410 with the sliding rod 411.

The inner top and the inner bottom of the valve body connecting pipe I110 are respectively provided with a rotating hole in rotating connection with the end part of the corresponding position of the shaft lever 300, a torsion spring is arranged between the shaft lever 300 and the rotating holes, the torsion spring is in a compressed state when the disc 310 rotates to be opened, and when the slide rod 411 does not squeeze the disc 310 any more, the disc 310 can automatically rotate to be closed; the outside of disc 310 cup joints and is fixed with sealing rubber circle 311, and the outside of flange 200 is annular equiangular link up and has seted up a plurality of mounting holes 210, and sealing rubber circle 311 makes disc 310 and valve body take over the inside wall of one 110 closely laminate, guarantees the leakproofness, and mounting hole 210 is convenient for install this valve body on the external pipeline.

Working principle: in operation, the flange 200 on the first valve body connecting pipe 110 is respectively mounted on each pipe of the two-way pipe through external bolts, the flange 200 on the second valve body connecting pipe 120 is mounted and fixed on the main pipe for conveying fluid, when the discs 310 on the first valve body connecting pipe 110 need to be opened simultaneously, the rotating wheel 610 rotates the threaded rod 600 on the rotating seat 520 and moves downwards, the second piston 510 pushes the water flow in the sleeve 500 downwards, the water flow flows into the special pipe 410 through the T-shaped pipe 400, the pressure of the water flow pushes the first piston 4111 at the end part of the sliding rod 411 to gradually move out of the special pipe 410, the sliding rod 411 pushes the disc 310, the disc 310 is gradually rotated and opened by taking the shaft 300 as an axis, so that the two discs 310 are synchronously opened, the external two-way pipe is conveniently opened for conveying fluid synchronously, the water flow pressure entering the inside the special pipe 410 is gradually increased along with the increase of the downward moving distance of the second piston 510, the width of the rotating and expanding of the discs 310 is gradually increased, the fluid flow passing through the discs 310 in unit time is gradually increased, and the flexible fluid flow is flexibly adjusted.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative and explanatory of the utility model, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the utility model or exceeding the scope of the utility model as defined in the claims.

Claims

1. The utility model provides a flow control device of butterfly valve, includes valve body box (100), its characterized in that, valve body box (100) lateral wall intercommunication is fixed with two symmetrical distribution's valve body takeover one (110), valve body box (100) lateral wall intercommunication is fixed with valve body takeover two (120), valve body takeover one (110) and valve body takeover two (120) both deviate from valve body box (100) one end all cup joints and are fixed with flange (200), valve body takeover one (110) inside rotation is connected with axostylus axostyle (300), the outside of axostylus axostyle (300) is fixed with disc (310), the inside of valve body box (100) is provided with T venturi tube (400), both ends of venturi tube (400) bottom all communicate and are fixed with special-shaped tube (410), the inside sliding connection of special-shaped tube (410) is used for driving disc (310) pivoted slide bar (411), the open end of valve body box (100) is fixed with the roof, T venturi tube (400) top runs through the roof, the bottom surface of roof is fixed with sleeve (500), the inside sliding connection of sleeve (500) has axostylus axostyle (510), two (510) are connected with piston (600) and are used for driving piston (600).

2. The flow regulating device of a butterfly valve according to claim 1, wherein a rotating seat (520) is fixed at the top end of the sleeve (500), and the rotating seat (520) is screwed with a threaded rod (600).

3. The flow regulating device of the butterfly valve according to claim 1, wherein a collar is fixed at the top end of the threaded rod (600), a plurality of connecting rods are fixed at equal angles in a ring shape on the outer side of the collar, and a rotating wheel (610) is fixed between the plurality of connecting rods.

4. The flow regulating device of the butterfly valve according to claim 1, wherein the two ends of the interior of the valve body box (100) are both fixed with cross beams (130), and the special-shaped pipe (410) is fixedly inserted into the cross beam (130) at the corresponding position.

5. The flow regulating device of a butterfly valve according to claim 1, wherein one end of the sliding rod (411) is fixed with a hemispherical block, the hemispherical block is abutted against the disc (310) at a corresponding position, the other end of the sliding rod (411) is fixed with a piston one (4111), and the piston one (4111) is slidably connected with the special pipe (410).

6. The flow regulating device of claim 1, wherein the valve body is provided with a rotating hole rotatably connected to the end of the shaft lever (300) at the position corresponding to the inner top and the inner bottom of the valve body connecting tube (110), and a torsion spring is arranged between the shaft lever (300) and the rotating hole.

7. The flow regulating device of the butterfly valve according to claim 1, wherein a sealing rubber ring (311) is fixedly sleeved on the outer side of the disc (310), and a plurality of mounting holes (210) are formed in the outer side of the flange (200) in a circular shape at equal angles.