CN211117640U

CN211117640U - Valve device for automatically closing pipeline gas

Info

Publication number: CN211117640U
Application number: CN201922091425.9U
Authority: CN
Inventors: 白连明
Original assignee: Junpeng Fuel Service Tianjin Co ltd
Current assignee: Junpeng Fuel Service Tianjin Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-07-28
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a pipeline gas self-closing's valving, which comprises a valve body, outlet duct and intake pipe, the both sides of valve body all are provided with the ring flange, the top of valve body is provided with the protection casing, the inside of protection casing is provided with closing mechanism, closing mechanism is by step motor, the action wheel, from the driving wheel, the transfer line, hand wheel and case are constituteed, the utility model discloses a first sensor detects the external gas concentration of valve body, and will detect data transfer and give P L C controller, if it is too high to detect people's gas concentration, then P L C controller is to first buzzer and electric machine controller give-out order, thereby make first buzzer report to the police, and start step motor through electric machine controller and motor driver, drive the action wheel and rotate from the driving wheel through step motor, drive transfer line and case rotation from the driving wheel, thereby make the case carry out the shutoff to the valve body, and then realize the self-closing.

Description

Valve device for automatically closing pipeline gas

Technical Field

The utility model relates to a valve device specifically is a pipeline gas self-closing's valve device.

Background

The gas is a general name of gas fuel, can burn and emit heat, is used by urban residents and industrial enterprises, has various types, mainly comprises natural gas, artificial gas, liquefied petroleum gas, methane and coal gas, and is conveyed by using a pipeline in the using process, a valve is not opened during the construction of a gas conveying pipeline, the on-off of the gas conveying can be controlled by arranging the valve, the conveying of the gas can be cut off when necessary, most of the existing valves are manually opened or closed, and manual operation is difficult in some environments. Therefore, we improve this and propose a valve device for automatically closing the pipeline gas.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a pipeline gas self-closing's valving, including valve body, outlet duct and intake pipe, the both sides of valve body all are provided with the ring flange, the top of valve body is provided with the protection casing, the inside of protection casing is provided with closing mechanism, closing mechanism comprises step motor, action wheel, follow driving wheel, transfer line, hand wheel and case, the top of protection casing is provided with and is located the left second buzzer of hand wheel and is located the left first buzzer of second buzzer, one side of protection casing is provided with first sensor, the top fixed mounting of valve body inner chamber has and is located the left second sensor of case, the inside fixed mounting of valve body has the third sensor that is located between second sensor and the case.

As a preferred technical scheme of the utility model, the case sets up the inside at the valve body, the top and the transfer line fixed connection of case, the top of transfer line run through valve body and protection casing in proper order and with hand wheel fixed connection.

As a preferred technical scheme of the utility model, step motor installs the top at the valve body, the action wheel is installed on step motor's output shaft.

As a preferred technical scheme of the utility model, install the surface at the transfer line from the driving wheel, the action wheel is connected with meshing from between the driving wheel.

As an optimal technical scheme of the utility model, the left side of valve body links to each other with the outlet duct through one of them ring flange, the right side of valve body links to each other with the intake pipe through another ring flange.

As an optimal technical scheme of the utility model, step motor is external to have motor controller and motor driver, motor driver and motor controller electric connection, motor controller is external to have the P L C controller, the input of P L C controller respectively with first sensor, second sensor and third sensor electric connection, the output of P L C controller respectively with first bee calling organ and second bee calling organ electric connection.

The beneficial effects of the utility model are that this kind of pipeline gas self-closing's valve gear, detect the external gas concentration of valve body through first sensor, and will detect data transfer and give P L C controller, if it is too high to detect people's gas concentration, then P L C controller sends out the instruction to first bee calling organ and motor controller, thereby make first bee calling organ report to the police, and start step motor through motor controller and motor driver, drive action wheel and follow the driving wheel rotation through step motor, drive transfer line and case rotation through following the driving wheel, thereby make the case carry out the shutoff to the valve body, and then realize the self-closing of gas, can detect the left region of case through setting up the second sensor after the case carries out the shutoff to the valve body, if the second sensor still can detect the gas, then show that there is leakage still in the valve body inside, then P L C controller control second bee calling organ starts, thereby report to the police, and then make relevant personnel can carry out corresponding safeguard procedures, thereby reduce the loss, and can make the device still can manually switch through setting up the hand wheel.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a valve device for automatically closing pipeline gas according to the present invention;

fig. 2 is a schematic structural view of a driving wheel and a driven wheel of the valve device for automatically closing pipeline gas according to the present invention;

fig. 3 is a left-side sectional structural schematic view of a valve body of the valve device for automatically closing pipeline gas according to the present invention;

fig. 4 is a front view of the valve body of the valve device for automatically closing the pipeline gas according to the present invention;

fig. 5 is a schematic view of the system flow structure of the valve device for automatically closing the pipeline gas according to the present invention.

In the figure: 1. a valve body; 2. a flange plate; 3. an air outlet pipe; 4. an air inlet pipe; 5. a protective cover; 6. a stepping motor; 7. a driving wheel; 8. a driven wheel; 9. a transmission rod; 10. a hand wheel; 11. a first buzzer; 12. a second buzzer; 13. a first sensor; 14. a valve core; 15. a second sensor; 16. a third sensor.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the valve device for automatically closing pipeline gas of the present invention comprises a valve body 1, an outlet pipe 3 and an inlet pipe 4, wherein flanges 2 are respectively arranged at both sides of the valve body 1, a protective cover 5 is arranged at the top of the valve body 1, a closing mechanism is arranged inside the protective cover 5, the closing mechanism is composed of a stepping motor 6, the valve comprises a driving wheel 7, a driven wheel 8, a transmission rod 9, a hand wheel 10 and a valve core 14, wherein a second buzzer 12 positioned on the left side of the hand wheel 10 and a first buzzer 11 positioned on the left side of the second buzzer 12 are arranged at the top of a protective cover 5, a first sensor 13 is arranged on one side of the protective cover 5, a second sensor 15 positioned on the left side of the valve core 14 is fixedly installed at the top of an inner cavity of a valve body 1, and a third sensor 16 positioned between the second sensor 15 and the valve core 14 is fixedly installed inside the valve body 1.

The valve core 14 is arranged inside the valve body 1, the top end of the valve core 14 is fixedly connected with the transmission rod 9, the top end of the transmission rod 9 sequentially penetrates through the valve body 1 and the protective cover 5 and is fixedly connected with the hand wheel 10, and the valve body 1 can be plugged through the valve core 14, so that the leakage of fuel gas is reduced.

Wherein, step motor 6 installs at the top of valve body 1, and action wheel 7 installs on step motor 6's output shaft, drives action wheel 7 and follows the rotation of driving wheel 8 through step motor 6, drives transfer line 9 and case 14 through following driving wheel 8 and rotates to make case 14 carry out the shutoff to valve body 1, and then realize the self-closing of gas.

The driven wheel 8 is arranged on the outer surface of the transmission rod 9, the driving wheel 7 is in meshed connection with the driven wheel 8, and power of the stepping motor 6 can be transmitted to the transmission rod 9 through meshed connection between the driving wheel 7 and the driven wheel 8, so that the transmission rod 9 drives the valve core 14 to rotate.

Wherein, the left side of the valve body 1 is connected with the air outlet pipe 3 through one of the flanges 2, and the right side of the valve body 1 is connected with the air inlet pipe 4 through the other flange 2.

The gas sensor type gas sensor.

When the gas leakage detection device works, firstly, the gas inlet pipe 4 is connected with gas storage equipment of gas, then the gas outlet pipe 3 is connected with the gas utilization equipment of the gas, then an external power supply of the device is connected, in the using process, the concentration of the gas outside the valve body 1 is detected through the first sensor 13, the detection data are transmitted to the P L C controller, if the concentration of the gas is detected to be too high, the P L C controller sends an instruction to the first buzzer 11 and the motor controller, so that the first buzzer 11 gives an alarm, the stepping motor 6 is started through the motor controller and the motor driver, the driving wheel 7 and the driven wheel 8 are driven to rotate through the stepping motor 6, the driving rod 9 and the valve core 14 are driven to rotate through the driven wheel 8, so that the valve core 14 blocks the valve body 1, further, the gas is automatically closed, meanwhile, if the third sensor 16 detects a signal of the valve core 14, the third sensor 16 transmits the signal to the P L C controller, at the P L C controller controls the stepping motor 6 to stop, meanwhile, the second sensor 15 sends a signal to enable the second sensor 15 to work, and the valve body 15 can still detect the loss of a left side, and accordingly, the second sensor L C controller can detect that a safety control worker still has a leakage loss, and a corresponding buzzer 12, so that a corresponding buzzer is detected loss exists.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 valve device for automatically closing pipeline gas comprises a valve body (1), a gas outlet pipe (3) and a gas inlet pipe (4), and is characterized in that flange plates (2) are arranged on two sides of the valve body (1), a protective cover (5) is arranged on the top of the valve body (1), a closing mechanism is arranged inside the protective cover (5), the closing mechanism comprises a stepping motor (6), a driving wheel (7), a driven wheel (8), a transmission rod (9), a hand wheel (10) and a valve core (14), a second buzzer (12) positioned on the left side of the hand wheel (10) and a first buzzer (11) positioned on the left side of the second buzzer (12) are arranged on the top of the protective cover (5), a first sensor (13) is arranged on one side of the protective cover (5), a second sensor (15) positioned on the left side of the valve core (14) is fixedly mounted on the top of the inner cavity of the valve, and a third sensor (16) positioned between the second sensor (15) and the valve core (14) is fixedly arranged in the valve body (1).

2. The valve device for automatically closing the pipeline gas as claimed in claim 1, wherein the valve core (14) is arranged inside the valve body (1), the top end of the valve core (14) is fixedly connected with the transmission rod (9), and the top end of the transmission rod (9) sequentially penetrates through the valve body (1) and the protective cover (5) and is fixedly connected with the hand wheel (10).

3. The automatic closing valve device for pipeline gas as claimed in claim 1, wherein the stepping motor (6) is installed on the top of the valve body (1), and the driving wheel (7) is installed on the output shaft of the stepping motor (6).

4. The automatic pipeline gas closing valve device as claimed in claim 1, wherein the driven wheel (8) is mounted on the outer surface of the transmission rod (9), and the driving wheel (7) is in meshed connection with the driven wheel (8).

5. The automatic closing valve device for pipeline gas according to claim 1, characterized in that the left side of the valve body (1) is connected with the gas outlet pipe (3) through one flange (2), and the right side of the valve body (1) is connected with the gas inlet pipe (4) through the other flange (2).

6. The valve device for automatically closing the pipeline gas as claimed in claim 1, wherein the stepping motor (6) is externally connected with a motor controller and a motor driver, the motor driver is electrically connected with the motor controller, the motor controller is externally connected with a P L C controller, the input end of the P L C controller is electrically connected with the first sensor (13), the second sensor (15) and the third sensor (16), respectively, and the output end of the P L C controller is electrically connected with the first buzzer (11) and the second buzzer (12), respectively.