CN220792068U

CN220792068U - Emergency cut-off valve device for gas pipeline

Info

Publication number: CN220792068U
Application number: CN202322287698.7U
Authority: CN
Inventors: 雷长生; 陈建军; 罗赵华
Original assignee: Heyuan Enn Gas Co ltd
Current assignee: Heyuan Enn Gas Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-04-16
Anticipated expiration: 2033-08-24

Abstract

The utility model discloses a gas pipeline emergency cut-off valve device, which relates to the technical field of gas pipeline emergency treatment and comprises a gas pipeline main body, wherein an emergency cut-off valve assembly is arranged on the gas pipeline main body, the emergency cut-off valve assembly comprises two connecting pipes integrally formed with an emergency treatment box, the emergency treatment box is communicated with the inside of the gas pipeline main body through the connecting pipes, a plugging plate is rotationally connected to the emergency treatment box, one side of the plugging plate is fixedly connected with a traction rope, and the top of the gas pipeline main body is fixedly connected with a servo motor.

Description

Emergency cut-off valve device for gas pipeline

Technical Field

The utility model relates to the technical field of emergency treatment of gas pipelines, in particular to an emergency cut-off valve device of a gas pipeline.

Background

At present, natural gas is a necessity for most families, and a natural gas valve is a safety door, so that the advantage of the natural gas that the natural gas is used at any time is realized. Once the natural gas valve is broken or the valve is forgotten to be closed by people, the natural gas escapes, so that the life safety of a user can be endangered.

The prior patent (publication number: CN 208024915U) proposes an emergency cut-off valve device for a gas pipeline, and the rotation of a valve core is controlled by a motor to realize the functions of ventilation and gas interruption of the natural gas in the pipeline; in addition, the remote control of natural gas supply can be realized, the safety guarantee is provided for each household gas, and the household property and personal safety of the user are ensured.

When the gas pipeline emergency shut-off valve device is actually used, the gas pipeline is plugged in the valve cover by the cooperation of the valve partition and the valve core, and therefore the valve partition and the valve core occupy part of the area in the valve cover, and partial gas can be blocked by contacting with the surfaces of the valve partition and the valve core when moving, so that the instantaneous gas flow in the gas pipeline is reduced, and the normal use of the gas pipeline is affected.

Disclosure of Invention

The utility model provides a gas pipeline emergency cut-off valve device, which solves the technical problems that when the gas pipeline emergency cut-off valve device is actually used, a valve partition and a valve core are matched in a valve cover to plug a gas pipeline, and as the valve partition and the valve core occupy part of the area in the valve cover, partial gas can be blocked by contacting with the surfaces of the valve partition and the valve core when moving, so that the instantaneous gas flow in the gas pipeline is reduced, and the normal use of the gas pipeline is influenced.

In order to solve the technical problems, the emergency cut-off valve device for the gas pipeline comprises a gas pipeline main body, wherein an emergency cut-off valve assembly is arranged on the gas pipeline main body and comprises two connecting pipes integrally formed with an emergency processing box, the emergency processing box is communicated with the inside of the gas pipeline main body through the connecting pipes, a plugging plate is rotationally connected in the emergency processing box, one side of the plugging plate is fixedly connected with a traction rope, the top of the gas pipeline main body is fixedly connected with a servo motor, a rope winding roller is connected to the servo motor in a transmission manner, the traction rope is wound and connected with the rope winding roller, the emergency cut-off valve assembly is used for blocking the gas pipeline main body to transmit gas through rotation of a sealing plate, the emergency cut-off valve assembly further comprises a gas concentration sensor, one side of the emergency processing box is provided with a controller, the gas concentration sensor and the servo motor are electrically connected with the controller, when the emergency processing box is used, the emergency processing box is rotationally arranged near the position of the gas, the transmission information of the gas concentration sensor in the emergency cut-off valve assembly is fixedly connected with the traction rope through the controller, the traction rope is connected with the servo motor, and the impact on the inside of the emergency processing box on the inner wall of the gas pipeline main body is avoided when the emergency cut-off plate is normally caused by rotation of the sealing plate, and the emergency cut-off valve is prevented from being influenced by the normal gas flow in the inner wall of the sealing box when the emergency processing box is used.

Preferably, the emergency treatment box is rotationally connected with the guide wheel, and the traction rope is in sliding connection with the guide wheel, so that sliding friction force between the traction rope and the emergency treatment box is weakened, and the use of the traction rope is facilitated.

Preferably, a sealing gasket is fixedly connected in the emergency treatment box, a sealing hole matched with the traction rope is formed in the sealing gasket in a penetrating manner, and a movable gap between the emergency treatment box and the traction rope is sealed by the sealing gasket, so that leakage of gas is avoided.

Preferably, the plugging plate is fixedly provided with a balancing weight on one side close to the emergency treatment box, one side of the balancing weight is tightly attached to the emergency treatment box, and the weight on one side of the plugging plate can be increased, so that power assistance is provided when the plugging plate is reset.

Preferably, the top fixedly connected with airtight cover of gas pipeline main part, the rope winding roller is installed in airtight cover's inside, can extend the traction rope to the outside junction of urgent processing box and the rope winding roller cover is established in its inside to further improve the inside sealed effect of urgent processing box.

Preferably, two sealing covers are arranged on the connecting pipe, the two sealing covers are connected in a rotating way, a joint matched with the connecting pipe and the gas pipeline body is arranged in the sealing covers in a penetrating way, one side of the sealing cover is provided with a butt joint block, the other side of the sealing cover is provided with a butt joint groove matched with the butt joint block, the butt joint between the two sealing covers can be utilized to seal the joint of the gas pipeline body and the connecting pipe, and the air tightness of the joint of the gas pipeline body and the connecting pipe is improved.

Preferably, one side integrated into one piece of wherein two the sealed cowling has the test tube, the test tube upper cover is equipped with the screw cap, be equipped with the internal thread in the screw cap, be provided with the external screw thread with the internal screw thread looks adaptation on the test tube, the test tube passes through external screw thread and internal screw thread and screw cap threaded connection, rotatable open the screw cap to place the finger and feel whether there is the air current in test tube port department, indicate when the air current exists that gas pipeline main part and connecting pipe junction have the gas leakage, otherwise do not have the gas leakage, be convenient for detect the connection compactness between gas pipeline main part and the connecting pipe.

Preferably, a sealing strip is fixedly connected in the butt joint of the sealing cover, one side of the sealing strip is tightly attached to the connecting pipe and the gas pipeline main body, and a connecting gap between the sealing cover and the gas pipeline main body and between the sealing cover and the connecting pipe can be plugged, so that the air tightness of the inside of the sealing cover is further improved.

Compared with the related art, the emergency cut-off valve device for the gas pipeline has the following beneficial effects:

when the emergency treatment box is used, the gas concentration sensor is arranged near the position where gas is used, the servo motor is controlled by the controller to start through the transmission information of the gas concentration sensor in the emergency stop valve assembly, the blocking plate is rotated by the traction of the traction rope, when one side of the blocking plate is propped against the inner top of the emergency treatment box, the inner space of the emergency treatment box is blocked, so that the gas cannot reach the effect of the emergency stop valve, and when the emergency treatment box is used normally, one side of the blocking plate is propped against the inner wall of the emergency treatment box, the formation of obstruction caused by gas transmission is avoided, the occurrence of the condition that the instantaneous gas flow in the gas pipeline main body is reduced is prevented, and the influence on the normal use of the gas pipeline main body is avoided.

Drawings

FIG. 1 is a perspective view of a gas pipeline emergency shut-off valve assembly;

FIG. 2 is a schematic view of a gas pipeline emergency shut-off valve assembly;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an enlarged view of the structure at B in fig. 2.

Reference numerals in the drawings: 1. a gas pipeline main body; 2. an emergency processing box; 3. a servo motor; 4. an airtight cover; 5. a controller; 6. a connecting pipe; 7. a sealing cover; 8. a rope winding roller; 9. a traction rope; 10. a plugging plate; 11. a guide wheel; 12. a sealing gasket; 13. a screw cap; 14. and (3) testing the tube.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the indicated azimuth or positional relationship is based on the azimuth or positional relationship shown in the drawings, it is merely for convenience of description and simplification of the description, and does not indicate or imply that the indicated apparatus or element must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. 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.

An embodiment I is given by figures 1-4, a gas pipeline emergency shut-off valve device comprises a gas pipeline main body 1, an emergency shut-off valve assembly is arranged on the gas pipeline main body 1, the emergency shut-off valve assembly comprises two connecting pipes 6 integrally formed with an emergency processing box 2, the emergency processing box 2 is communicated with the inside of the gas pipeline main body 1 through the connecting pipes 6, a plugging plate 10 is rotationally connected on one side of the emergency processing box 2, a haulage rope 9 is fixedly connected on one side of the plugging plate 10, a servo motor 3 is fixedly connected on the top of the gas pipeline main body 1, a rope winding roller 8 is connected on the servo motor 3 in a transmission way, the haulage rope 9 is connected with the rope winding roller 8 in a winding way, the emergency shut-off valve assembly is used for blocking the gas pipeline main body 1 to transmit gas through the rotation of the plugging plate 10, the emergency shut-off valve assembly further comprises a gas concentration sensor, a controller 5 is arranged on one side of the emergency processing box 2, the gas concentration sensor and the servo motor 3 are electrically connected with the controller 5, when the emergency gas treatment device is used, the gas concentration sensor is arranged near the position where gas is used, the servo motor 3 is controlled to be started by the controller 5 through the transmission information of the gas concentration sensor in the emergency gas treatment device, the plugging plate 10 is rotated by the traction of the traction rope 9, when one side of the plugging plate 10 abuts against the inner top of the emergency treatment box 2, the inner space of the emergency treatment box 2 is plugged, so that the gas cannot reach the effect of the emergency gas treatment valve, one side of the plugging plate 10 is attached to the inner wall of the emergency treatment box 2 during normal use, thereby avoiding the formation of obstruction during the gas transmission, preventing the occurrence of the condition that the instantaneous gas flow in the gas pipe main body 1 is reduced, and avoiding the influence on the normal use of the gas pipe main body 1.

On the basis of the first embodiment, the guiding wheel 11 is rotationally connected to the emergency processing box 2, the traction rope 9 is slidably connected with the guiding wheel 11, sliding friction force between the traction rope 9 and the emergency processing box 2 is weakened, the use of the traction rope 9 is facilitated, the sealing gasket 12 is fixedly connected to the emergency processing box 2, sealing holes matched with the traction rope 9 are formed in the sealing gasket 12 in a penetrating manner, a movable gap between the emergency processing box 2 and the traction rope 9 is sealed by the sealing gasket 12, leakage of gas is avoided, a balancing weight is fixedly arranged on one side of the sealing plate 10 close to the emergency processing box 2, one side of the balancing weight is tightly attached to the emergency processing box 2, weight on one side of the sealing plate 10 can be increased, assistance is provided when the sealing plate 10 is reset, the gas pipeline main body 1 is fixedly connected with the airtight cover 4, the rope winding roller 8 is arranged inside the airtight cover 4, the traction rope 9 can be extended to a joint outside the emergency processing box 2, and the rope winding roller 8 is covered inside the sealing effect inside the emergency processing box 2 is further improved.

The third embodiment is that, on the basis of the first embodiment, be provided with two sealed cowling 7 on the connecting pipe 6, rotate between two sealed cowling 7 and be connected, run through in the sealed cowling 7 and set up with connecting pipe 6 and the gas pipeline main part 1 looks adaptation interface, one side of one of them sealed cowling 7 is equipped with the butt joint piece, the butt joint groove with butt joint piece looks adaptation is seted up to one side of another sealed cowling 7, the butt joint closure between usable two sealed cowling 7 has sealed the processing to the junction of gas pipeline main part 1 and connecting pipe 6, the gas tightness of gas pipeline main part 1 and connecting pipe 6 junction has been improved, wherein one side integrated into one piece of two sealed cowling 7 has test tube 14, test tube 14 upper cover is equipped with screw cap 13, be equipped with the internal thread in the screw cap 13, be provided with the external screw thread with the internal thread looks adaptation on the test tube 14, test tube 14 is through external screw thread and internal thread and screw cap 13 threaded connection, rotatable open screw cap 13, and place the finger and feel if there is the air current in the department of testing tube 14 port, it indicates that gas pipeline main part 1 and 6 junction has gas leakage to exist gas leakage, the gas leakage is convenient for detect between gas pipeline main part 1 and 6 and sealing tube main part 1 and sealing tube 6, the gas tightness is further improved between sealing tube 1 and the sealing tube 6 and the sealing connection between sealing tube 1 and the sealing tube 6.

Working principle:

when the emergency treatment box is used, a gas concentration sensor is arranged near a gas use position, such as the inside of a kitchen, when the indoor gas concentration is high, the gas concentration sensor detects and transmits information to a controller 5, the controller 5 controls a servo motor 3 to start, so that a rope winding roller 8 rotates, a traction rope 9 is contracted by the rope winding roller 8, a blocking plate 10 rotates by the traction of the traction rope 9, and when one side of the blocking plate 10 abuts against the inner top of the emergency treatment box 2, the inner space of the emergency treatment box 2 is blocked, so that the gas cannot pass through the emergency cut-off valve;

when the shut-off valve is not needed, the servo motor 3 is started again to enable the rope winding roller 8 to rotate in the opposite direction to the upper operation, so that the length of the traction rope 9 extending to the outside of the rope winding roller 8 is prolonged, the traction rope is rotated and reset by utilizing the weight of the balancing weight and the plugging plate 10, one side of the plugging plate 10 is attached to the inner wall of the emergency treatment box 2 during normal use, and therefore the phenomenon that obstruction is formed due to gas transmission is avoided, and the phenomenon that the instantaneous gas flow in the gas pipeline main body 1 is reduced is prevented.

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.

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 utility model provides a gas pipeline emergency cut-off valve device, its characterized in that, including gas pipeline main part (1), be equipped with urgent valve assembly on gas pipeline main part (1), urgent valve assembly includes two connecting pipes (6) with urgent processing box (2) integrated into one piece, urgent processing box (2) are through connecting pipe (6) and the inside intercommunication of gas pipeline main part (1), urgent processing box (2) internal rotation is connected with shutoff board (10), one side fixedly connected with haulage rope (9) of shutoff board (10), the top fixedly connected with servo motor (3) of gas pipeline main part (1), the transmission is connected with rope winding roller (8) on servo motor (3), haulage rope (9) are connected with rope winding roller (8) winding, urgent valve assembly stands up separation gas pipeline main part (1) transmission gas through the rotation of shutoff board (10).

2. The emergency shut-off valve device for a gas pipeline according to claim 1, wherein the emergency shut-off valve assembly further comprises a gas concentration sensor, a controller (5) is arranged on one side of the emergency processing box (2), and the gas concentration sensor and the servo motor (3) are electrically connected with the controller (5).

3. The emergency cut-off valve device for the gas pipeline according to claim 1, wherein the emergency processing box (2) is rotationally connected with a guide wheel (11), and the traction rope (9) is slidingly connected with the guide wheel (11).

4. The emergency cut-off valve device for the gas pipeline according to claim 1, wherein a sealing gasket (12) is fixedly connected in the emergency processing box (2), and a sealing hole matched with the traction rope (9) is formed in the sealing gasket (12) in a penetrating manner.

5. The emergency cut-off valve device for the gas pipeline according to claim 1, wherein a balancing weight is fixedly arranged on one side of the plugging plate (10) close to the emergency processing box (2), and one side of the balancing weight is tightly attached to the emergency processing box (2).

6. The emergency cut-off valve device for the gas pipeline according to claim 1, wherein the top of the gas pipeline main body (1) is fixedly connected with an airtight cover (4), and the rope winding roller (8) is installed inside the airtight cover (4).

7. The emergency cut-off valve device for the gas pipeline according to claim 1, wherein two sealing covers (7) are arranged on the connecting pipe (6), the two sealing covers (7) are connected in a rotating mode, an interface matched with the connecting pipe (6) and the gas pipeline main body (1) is arranged in the sealing cover (7) in a penetrating mode, one side of one sealing cover (7) is provided with a butt joint block, and the other side of the other sealing cover (7) is provided with a butt joint groove matched with the butt joint block.

8. The emergency cut-off valve device for gas pipeline according to claim 7, wherein one side of two sealing covers (7) is integrally formed with a test tube (14), and a threaded cover (13) is arranged on the upper cover of the test tube (14).

9. The emergency cut-off valve device for the gas pipeline according to claim 8, wherein an internal thread is arranged in the threaded cover (13), an external thread matched with the internal thread is arranged on the test tube (14), and the test tube (14) is in threaded connection with the threaded cover (13) through the external thread and the internal thread.

10. The emergency cut-off valve device for the gas pipeline according to claim 7, wherein a sealing strip is fixedly connected in a butt joint of the sealing cover (7), and one side of the sealing strip is tightly attached to the connecting pipe (6) and the gas pipeline main body (1).