CN218992380U

CN218992380U - Double-system control DCSSIS pneumatic cut-off valve

Info

Publication number: CN218992380U
Application number: CN202222698711.3U
Authority: CN
Inventors: 黄锦裕; 李玉顺
Original assignee: Jiangsu Changyi Automatic Control Valve Co ltd
Current assignee: Jiangsu Changyi Automatic Control Valve Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-05-09
Anticipated expiration: 2032-10-13

Abstract

The utility model relates to the technical field of shut-off valves, and discloses a double-system control DCSSIS pneumatic shut-off valve, which comprises: the first pipe, no. two pipe bottom fixed top and the inside intercommunication setting of No. two pipes that run through are managed, no. three pipe setting is in No. two pipe's top, and electric structure sets up in No. one pipe, no. two intraductals. Through pneumatic structure and the electronic structure that sets up, utilize pneumatics and electronic switching back and forth to realize the inside shutoff of circulation of valve body to realize the control effect of dual system, solved the valve body and lead to unable problem of using when damaging.

Description

Double-system control DCSSIS pneumatic cut-off valve

Technical Field

The utility model relates to the technical field of shut-off valves, in particular to a double-system control DCSSIS pneumatic shut-off valve.

Background

The safety cut-off valve is applied to a fuel gas transmission and distribution system for emergency cut-off protection. When the pipeline pressure controlled by the shut-off valve is higher or lower than the shut-off set pressure, the safety shut-off valve can emergently shut off the pipeline air flow to protect downstream equipment.

In general, the shut-off valve is inevitably damaged in the use process, and the damaged shut-off valve cannot be used and can also cause leakage of internal fuel gas, so that danger is generated, and therefore, a shut-off valve controlled by a double system is needed to solve the problems in the background art.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a double-system control DCSSIS pneumatic cut-off valve.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: a dual system controlled DCSSIS pneumatic shut-off valve comprising:

a first pipe;

the bottom end of the second pipe is fixedly penetrated through the top of the first pipe and is communicated with the inside of the second pipe;

the third pipe is arranged above the second pipe;

the electric structure is arranged in the first pipe and the second pipe;

the electric structure includes:

the electromagnetic switch is arranged above the second pipe;

the valve core is arranged in the second pipe, the top end of the valve core is fixedly connected with the electromagnetic switch, and the bottom end of the valve core sequentially penetrates through the first flange and the second flange movably and extends downwards;

the T-shaped extension block is fixedly connected to the bottom end of the valve core;

the two valve plates are fixedly connected to the surface of the valve core, and the two valve plates are in contact with the inner wall of the first pipe.

Preferably, the pneumatic structure comprises:

the two fans are fixedly connected to the top of the first pipe;

the two limiting blocks are fixedly connected to the inner wall of the first pipe;

one end of each air conveying pipe is communicated with air outlets of the two fans respectively, and the other ends of the two air conveying pipes sequentially penetrate through the surface of the first pipe, the two limiting blocks and extend to the inside of the first pipe.

Preferably, the first flange and the second flange are connected through screw threads, so that the disassembly is convenient.

Preferably, the surface fixing sleeve of the third pipe is provided with a gasket, and the bottom of the gasket is fixedly connected with the top of the second flange to prevent internal gas from leaking from the third pipe through the arranged gasket.

Preferably, the two fans are respectively electrically connected with an external power supply through wires, a control switch of the two fans is arranged outside, the external power supply is utilized to supply power to the two fans, and the two fans are conveniently controlled through the control switch.

Preferably, the two fans, the limiting blocks and the air delivery pipes are respectively and symmetrically arranged left and right, so that the two air delivery pipes are internally provided with air in opposite directions.

(III) beneficial effects

Compared with the prior art, the utility model provides the double-system control DCSSIS pneumatic cut-off valve, which has the following beneficial effects:

1. this pneumatic trip valve of two system control DCSSIS utilizes pneumatic structure and the electronic structure of setting to make a round trip to switch to realize the inside shutoff of circulation of valve body pneumatically with electronic to realize the control effect of two systems, solved the valve body and caused the problem that can't use when damaging.

2. According to the double-system control DCSSIS pneumatic cut-off valve, through the arranged pneumatic structure, air is discharged in opposite directions in the two air delivery pipes, so that the internal circulation of the valve body is not hindered, and the pneumatic cut-off effect is achieved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

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

FIG. 2 is a front view of the present utility model;

fig. 3 is a front cross-sectional view of the pneumatic and electric structure of the present utility model.

In the figure: the device comprises a first pipe, a second pipe, a 3 pneumatic structure, a 301 fan, a 302 limiting block, a 303 air conveying pipe, a 4 electric structure, a 401 electromagnetic switch, a 402 valve core, a 403T-shaped extension block, a 404 valve plate, a third pipe 5, a 6 gasket, a first flange 7 and a second flange 8.

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.

Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

As shown in fig. 1-3, the present utility model provides a dual system controlled DCSSIS pneumatic shut-off valve comprising: first pipe 1, no. two pipe 2 bottom mounting run through the top of first pipe 1 and with No. two pipe 2's inside intercommunication setting, no. three pipe 5 set up in No. two pipe 2's top, and electric structure 4 sets up in No. 1, no. two pipe 2, and electric structure 4 includes: electromagnetic switch 401 sets up the top in No. two pipe 2, the case 402 sets up the inside in No. two pipe 2, the top and the electromagnetic switch 401 fixed connection of case 402, the bottom of case 402 is movable in proper order runs through No. one flange 7, no. two flange 8 and downwardly extending, pass through bolt threaded connection between No. one flange 7 and No. two flange 8, conveniently dismantle, T font extension piece 403 fixed connection is in the bottom of case 402, two equal fixed connection of valve plate 404 are on the surface of case 402, two equal contact with the inner wall of No. 1 of valve plate 404, no. 5's fixed surface cover is equipped with gasket 6, the bottom of gasket 6 and the top fixed connection of No. 8 prevent that inside gas from leaking from No. three pipe 5 through the gasket 6 that sets up, through pneumatic structure 3 and electric structure 4 that set up, utilize pneumatic and electric round trip to switch to realize the inside shutoff of valve body, thereby realize the control effect of two systems, the problem that leads to the non-usability when damaging appears in the valve body has been solved.

In this embodiment, the electromagnetic switch 401 is turned on by an operator, so that the electromagnetic switch 401 drives the valve core 402 to rotate, and the valve plate 402 drives the two valve plates 404 to cut off the flow in the first pipe 1, thereby realizing the electric cutting-off effect.

Example 2

As shown in fig. 1-3, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the pneumatic structure 3 comprises: the two fans 301 are fixedly connected to the top of the first pipe 1, the two fans 301 are respectively and electrically connected with an external power supply through wires, control switches of the two fans 301 are arranged outside, the two fans 301 are powered by the external power supply, the two fans 301 are conveniently controlled through the control switches, the two limiting blocks 302 are fixedly connected to the inner wall of the first pipe 1, one ends of the two air conveying pipes 303 are respectively communicated with air outlets of the two fans 301, the other ends of the two air conveying pipes 303 sequentially fixedly penetrate through the surface of the first pipe 1, the two limiting blocks 302 and extend towards the inside of the first pipe 1, the two fans 301, the limiting blocks 302 and the air conveying pipes 303 are respectively and symmetrically arranged left and right, air is discharged in opposite directions in the two air conveying pipes 303, and the two air conveying pipes 303 are provided with the pneumatic structure 3.

In this embodiment, two fans 301 are started in sequence from the control switch, and at this time, the air outlets of the two fans 301 start to discharge air, so that the blown air cuts off the circulation in the first pipe 1 through the two air delivery pipes, thereby realizing the control effect of the dual system.

The working principle of the double-system control DCSSIS pneumatic cut-off valve is specifically described below.

As shown in fig. 1-3, when in use, the electromagnetic switch 401 is turned on, so that the electromagnetic switch 401 drives the valve core 402 to rotate, and the valve plates 402 are utilized to drive the two valve plates 404 to cut off the flow in the first pipe 1, when the electric control is damaged and can not be used, the two fans 301 are sequentially started from the control switch, at this time, the air outlets of the two fans 301 start to discharge air, and the blown air cuts off the flow in the first pipe 1 through the two air delivery pipes, so that the control effect of the double systems is realized.

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 a reference structure" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. A dual system controlled DCSSIS pneumatic shut-off valve, comprising:

a first pipe (1);

the bottom end of the second pipe (2) is fixedly penetrated through the top of the first pipe (1) and is communicated with the inside of the second pipe (2);

the third pipe (5) is arranged above the second pipe (2);

the electric structure (4) is arranged in the first pipe (1) and the second pipe (2);

the electrically powered structure (4) comprises:

the electromagnetic switch (401) is arranged above the second pipe (2);

the valve core (402) is arranged in the second pipe (2), the top end of the valve core (402) is fixedly connected with the electromagnetic switch (401), and the bottom end of the valve core (402) sequentially penetrates through the first flange (7) and the second flange (8) in a movable mode and extends downwards;

the T-shaped extension block (403) is fixedly connected to the bottom end of the valve core (402);

the two valve plates (404) are fixedly connected to the surface of the valve core (402), and the two valve plates (404) are contacted with the inner wall of the first pipe (1).

2. The dual system controlled DCSSIS pneumatic shut-off valve according to claim 1, comprising:

the pneumatic structure (3) comprises:

the two fans (301) are fixedly connected to the top of the first pipe (1);

the two limiting blocks (302) are fixedly connected to the inner wall of the first pipe (1);

one end of each air conveying pipe (303) is communicated with the air outlets of the two fans (301), and the other ends of the two air conveying pipes (303) sequentially penetrate through the surface of the first pipe (1) and the two limiting blocks (302) in a fixed mode and extend towards the inside of the first pipe (1).

3. The dual system controlled DCSSIS pneumatic shut-off valve according to claim 1, wherein: the first flange (7) is connected with the second flange (8) through bolt threads.

4. The dual system controlled DCSSIS pneumatic shut-off valve according to claim 1, wherein: the surface fixing sleeve of the third pipe (5) is provided with a gasket (6), and the bottom of the gasket (6) is fixedly connected with the top of the second flange (8).

5. A dual system controlled DCSSIS pneumatic shut off valve as in claim 2, wherein: the two fans (301) are respectively and electrically connected with an external power supply through wires, and control switches of the two fans (301) are arranged outside the fans.

6. A dual system controlled DCSSIS pneumatic shut off valve as in claim 2, wherein: the two fans (301), the limiting block (302) and the air conveying pipe (303) are respectively and symmetrically arranged left and right.