CN215410434U

CN215410434U - Pneumatic flange butterfly valve convenient to dismantle

Info

Publication number: CN215410434U
Application number: CN202120421039.6U
Authority: CN
Inventors: 段方超; 戴均
Original assignee: Tianjin Longrun Kaida Valve Industry Co ltd
Current assignee: Tianjin Longrun Kaida Valve Industry Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2022-01-04
Anticipated expiration: 2031-02-25

Abstract

The utility model provides a pneumatic flange butterfly valve convenient to disassemble, and belongs to the technical field of pneumatic butterfly valves. The pneumatic flange butterfly valve convenient to disassemble comprises a pneumatic flange butterfly valve component, a first pipe component, a movable pipe component and a second pipe component. The pneumatic flange butterfly valve component comprises a butterfly valve body, a sliding groove is formed in the inner surface of one end of the butterfly valve body, the first pipe component is installed at one end of the butterfly valve body, the movable pipe fitting comprises a movable pipe body and an inner threaded pipe, a clamping groove is formed in the outer surface of the movable pipe body, an annular sliding block is fixed on the surface of a first groove, the annular sliding block is slidably connected to the inner surface of the sliding groove, an annular clamping block is fixed on the inner surface of a hollow pipe, the annular clamping block is slidably clamped inside the clamping groove, and the second pipe component is installed at the end of the movable pipe body. The utility model is not easy to be blocked when being disassembled and assembled, so that the disassembly and the assembly are simpler and more convenient.

Description

Pneumatic flange butterfly valve convenient to dismantle

Technical Field

The utility model relates to the field of pneumatic butterfly valves, in particular to a pneumatic flange butterfly valve convenient to disassemble.

Background

The pneumatic butterfly valve consists of a pneumatic actuator and a butterfly valve. The pneumatic butterfly valve is opened and closed by a circular butterfly plate rotating along with a valve rod to realize the pneumatic valve which starts to act, is mainly used as a cut-off valve, can also be designed to have the function of adjusting or adjusting a section valve, and is increasingly used on low-pressure large-caliber and medium-caliber pipelines. Classifying a pneumatic butterfly valve: stainless steel pneumatic butterfly valves, hard seal pneumatic butterfly valves, soft seal pneumatic butterfly valves, carbon steel pneumatic butterfly valves. The pneumatic butterfly valve has the main advantages of simple structure, small volume, light weight and low manufacturing cost, is particularly remarkable, is arranged in a high-altitude blind way, is controlled by a two-position five-way electromagnetic valve to be convenient to operate, and can also adjust flow media.

At present, after the existing pneumatic flange butterfly valve is installed between two pipelines, the pneumatic flange butterfly valve is inconvenient to disassemble and assemble, and great troubles are brought to later replacement and overhaul.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects, the utility model provides a pneumatic flange butterfly valve convenient to disassemble, and aims to solve the problems that the pneumatic flange butterfly valve is inconvenient to disassemble and assemble after installation and influences the subsequent replacement and maintenance.

The utility model is realized by the following steps:

the utility model provides a pneumatic flange butterfly valve convenient to disassemble, which comprises a pneumatic flange butterfly valve component, a first pipe component, a movable pipe component and a second pipe component.

The pneumatic flange butterfly valve component comprises a butterfly valve body, a chute is arranged on the inner surface of one end of the butterfly valve body, the first pipe component is installed at one end of the butterfly valve body, the movable pipe component comprises a movable pipe body, an annular sliding block and an internal thread pipe, a first groove is arranged on one end of the movable pipe body, the first groove is inserted into the other end of the butterfly valve body in a sliding mode, a clamping groove is arranged on the outer surface of the movable pipe body, the annular sliding block is fixed on the surface of the first groove, the annular sliding block is connected to the inner surface of the chute in a sliding mode, the internal thread pipe is connected to the outer surface of the other end of the butterfly valve body in a threaded mode, a hollow pipe is fixed on the outer surface of one end of the internal thread pipe, an annular clamping block is fixed on the inner surface of the hollow pipe, and the annular clamping block is clamped inside the clamping groove in a sliding mode, the second pipe assembly is installed at an end of the movable pipe body.

In an embodiment of the present invention, the surface of the butterfly valve body is provided with an external thread matching with the internal thread pipe.

In one embodiment of the utility model, a sealing block is fixed on the surface of the sliding chute, and an annular flange is fixed on the surface of the annular sliding block and is tightly attached to the surface of the sealing block.

In one embodiment of the utility model, the first tube assembly includes a feed tube and a second flange secured to an end of the feed tube.

In an embodiment of the present invention, a first flange matching with the second flange is fixed at one end of the butterfly valve body.

In an embodiment of the present invention, the first flange and the second flange are fixedly connected by bolts and nuts.

In one embodiment of the present invention, a sealing layer is fixed to a surface of the annular sliding block, and the sealing layer is slidably connected to an inner surface of the sliding groove.

In one embodiment of the utility model, the second pipe assembly comprises a tapping pipe and a fourth flange, which is fastened to an end of the tapping pipe.

In an embodiment of the present invention, a third flange matching with the fourth flange is fixed to an end of the movable pipe body.

In an embodiment of the present invention, the third flange and the fourth flange are fixedly connected by bolts and nuts.

The utility model has the beneficial effects that: according to the pneumatic flange butterfly valve convenient to disassemble and obtain through the design, when the pneumatic flange butterfly valve is disassembled and assembled, the first flange is connected with the second flange on the feeding pipe, then the movable pipe body is rotated to move on the surface of the butterfly valve body, and meanwhile, the hollow pipe and the annular clamping block are driven to rotate and move, so that the movable pipe body is driven to stretch and retract in the rotating and moving process, the third flange at the end part of the movable pipe body is aligned with the fourth flange at the end part of the discharging pipe and is installed, and a gap is generated between the butterfly valve body and the discharging pipe through the stretching and retraction of the movable pipe body, so that the clamping phenomenon is not easy to occur during the disassembling and assembling, and the disassembling and assembling are simpler and more convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a first perspective structure of a detachable pneumatic flange butterfly valve according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a first perspective portion of a pneumatic flange butterfly valve with easy disassembly according to an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

fig. 4 is a schematic structural diagram of a butterfly valve body of a pneumatic flange butterfly valve convenient to disassemble according to an embodiment of the utility model.

In the figure: 100-a pneumatic flange butterfly valve assembly; 110-a butterfly valve body; 111-external threads; 112-a chute; 120-a first flange; 130-a sealing block; 200-a first tube assembly; 210-a feed pipe; 220-a second flange; 300-a movable tubular; 310-a movable tube body; 311-a first groove; 312-a card slot; 320-ring slider; 321-an annular flange; 322-a sealing layer; 330-an internally threaded tube; 340-a hollow tube; 341-annular fixture block; 350-a third flange; 400-a second tube assembly; 410-a discharge pipe; 420-fourth flange.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a pneumatic flange butterfly valve convenient to disassemble comprises a pneumatic flange butterfly valve assembly 100, a first pipe assembly 200, a movable pipe 300 and a second pipe assembly 400.

The first pipe assembly 200 is installed at one end of the pneumatic flange butterfly valve assembly 100, the movable pipe 300 is installed at the other end of the pneumatic flange butterfly valve assembly 100, and the second pipe assembly 400 is installed at the end of the movable pipe 300.

Referring to fig. 1-4, the pneumatic flange butterfly valve assembly 100 includes a butterfly valve body 110, a sliding groove 112 is formed on an inner surface of one end of the butterfly valve body 110, and an external thread 111 matching with the internal thread pipe 330 is formed on a surface of the butterfly valve body 110, where the internal thread pipe 330 can be moved on the surface of the butterfly valve body 110 conveniently by the arrangement of the external thread 111.

The surface of the sliding groove 112 is fixed with the sealing block 130, the surface of the annular sliding block 320 is fixed with the annular flange 321, the annular flange 321 is tightly attached to the surface of the sealing block 130, an arc-shaped groove matched with the annular flange 321 is formed in the surface of the sealing block 130, the sealing block 130 is a rubber block, and therefore the sealing performance between the movable pipe body 310 and the butterfly valve body 110 after installation can be improved by extruding the annular flange 321 and the sealing block 130.

Referring to fig. 1 and 2, the first pipe assembly 200 is installed at one end of the butterfly valve body 110; the first pipe assembly 200 includes a feed pipe 210 and a second flange 220, the second flange 220 being fixed to one end of the feed pipe 210; a first flange 120 matched with the second flange 220 is fixed at one end of the butterfly valve body 110; the first flange 120 and the second flange 220 are fixedly connected through bolts and nuts, and such an arrangement can facilitate the mounting and dismounting between the butterfly valve body 110 and the feeding pipe 210.

Referring to fig. 1-3, the movable tube 300 includes a movable tube 310, an annular sliding block 320, and an internal threaded tube 330, wherein one end of the movable tube 310 is provided with a first groove 311, the first groove 311 is slidably inserted into the other end of the butterfly valve body 110, an outer surface of the movable tube 310 is provided with a slot 312, the annular sliding block 320 is fixed on the surface of the first groove 311, the annular sliding block 320 is slidably connected to an inner surface of the sliding slot 112, the internal threaded tube 330 is threadedly connected to an outer surface of the other end of the butterfly valve body 110, an outer surface of one end of the internal threaded tube 330 is fixed with a hollow tube 340, an inner surface of the hollow tube 340 is fixed with an annular fixture block 341, and the annular fixture block 341 is slidably clamped inside the slot 312.

The sealing layer 322 is fixed on the surface of the annular sliding block 320, the sealing layer 322 is connected with the inner surface of the sliding chute 112 in a sliding mode, the sealing layer 322 is an annular rubber sealing ring, and the sealing performance can be enhanced to avoid raw material leakage during the moving process of the annular sliding block 320 through the arrangement of the sealing layer 322.

Referring to fig. 1 and 2, the second pipe assembly 400 is installed at an end of the movable pipe body 310; the second pipe assembly 400 comprises a tapping pipe 410 and a fourth flange 420, the fourth flange 420 being fixed to an end of the tapping pipe 410; a third flange 350 matched with the fourth flange 420 is fixed at the end part of the movable pipe body 310; the third flange 350 and the fourth flange 420 are fixedly connected by bolts and nuts, and the movable pipe body 310 and the fourth flange 420 can be conveniently disassembled and assembled by the arrangement.

Specifically, this pneumatic flange butterfly valve convenient to dismantle's theory of operation: during the dismouting, be connected through first flange 120 and the second flange 220 on the inlet pipe 210, then through rotatory movable tube body 310, make movable tube body 310 carry out rotary motion on butterfly valve body 110's surface, it carries out rotary motion to drive hollow tube 340 and annular fixture block 341 simultaneously, in-process at rotary motion drives movable tube body 310 and stretches out and draws back like this, third flange 350 that makes movable tube body 310 tip aligns and installs with the fourth flange 420 of tip of discharging pipe 410, through the flexible of movable tube body 310 like this, make and produce the clearance between butterfly valve body 110 and the discharging pipe 410, thereby difficult the phenomenon that blocks appears when the dismouting, make the dismouting more simple and convenient.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pneumatic flange butterfly valve convenient to disassemble is characterized by comprising

The pneumatic flange butterfly valve component (100) comprises a butterfly valve body (110), and a sliding groove (112) is formed in the inner surface of one end of the butterfly valve body (110);

a first tube assembly (200), the first tube assembly (200) being mounted at one end of the butterfly valve body (110);

the movable pipe fitting (300), the movable pipe fitting (300) comprises a movable pipe body (310), an annular sliding block (320) and an internal threaded pipe (330), one end of the movable pipe body (310) is provided with a first groove (311), the first groove (311) is inserted in the other end of the butterfly valve body (110) in a sliding way, the outer surface of the movable pipe body (310) is provided with a clamping groove (312), the annular sliding block (320) is fixed on the surface of the first groove (311), the annular sliding block (320) is connected with the inner surface of the sliding groove (112) in a sliding way, the internal thread pipe (330) is connected with the outer surface of the other end of the butterfly valve body (110) in a threaded manner, a hollow pipe (340) is fixed on the outer surface of one end of the internal thread pipe (330), an annular clamping block (341) is fixed on the inner surface of the hollow tube (340), and the annular clamping block (341) is clamped in the clamping groove (312) in a sliding manner;

a second pipe assembly (400), the second pipe assembly (400) being installed at an end of the movable pipe body (310).

2. The pneumatic flange butterfly valve convenient to disassemble as claimed in claim 1, wherein the surface of the butterfly valve body (110) is provided with external threads (111) matched with the internal threaded pipe (330).

3. The pneumatic flange butterfly valve convenient to disassemble as claimed in claim 1, wherein a sealing block (130) is fixed on the surface of the sliding chute (112), an annular flange (321) is fixed on the surface of the annular sliding block (320), and the annular flange (321) is tightly attached to the surface of the sealing block (130).

4. The pneumatic flange butterfly valve that facilitates disassembly of claim 1, wherein the first tube assembly (200) comprises a feed tube (210) and a second flange (220), the second flange (220) being secured to an end of the feed tube (210).

5. The pneumatic flange butterfly valve easy to disassemble as claimed in claim 4, wherein a first flange (120) matching with the second flange (220) is fixed at one end of the butterfly valve body (110).

6. The pneumatic flange butterfly valve convenient to disassemble as recited in claim 5, wherein the first flange (120) and the second flange (220) are fixedly connected through bolts and nuts.

7. The pneumatic flange butterfly valve convenient to disassemble as recited in claim 1, wherein a sealing layer (322) is fixed on the surface of the annular sliding block (320), and the sealing layer (322) is in sliding connection with the inner surface of the chute (112).

8. The detachable pneumatic flange butterfly valve of claim 1, wherein the second tube assembly (400) comprises a discharge tube (410) and a fourth flange (420), the fourth flange (420) being fixed to an end of the discharge tube (410).

9. The pneumatic flange butterfly valve easy to disassemble as claimed in claim 8, wherein a third flange (350) matching with the fourth flange (420) is fixed to the end of the movable pipe body (310).

10. The pneumatic flange butterfly valve convenient to disassemble as recited in claim 9, wherein the third flange (350) and the fourth flange (420) are fixedly connected through bolts and nuts.