Gas pipe plugging device

Abstract

The utility model provides a gas pipe plugging device, and belongs to the technical field of pipeline plugging. A clamping mechanism comprising a telescopic rod, clamping arms, a sealing ring, a movable arm, a shell, a connecting plate and a spring is arranged, so that the upper clamping arm and the lower clamping arm clamp an opening of a gas pipe, and the pipe wall is clamped through the sealing ring; the inner side surface of the sealing ring is in contact with the rubber plug, so that the surface of the rubber plug can be effectively prevented from being scratched by a gas pipe notch; and meanwhile, the trapezoidal rubber plug is matched with the plugging mechanism comprising the fan, the pipeline and the air bag, so that the pipelines with different sizes are plugged.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline blocking, and in particular relates to a gas pipe blocking device. Background Art

[0002] As a clean energy, natural gas is widely used in various industries. Natural gas requires dedicated gas pipelines for transportation. However, with the development of society, it is often necessary to cut and reroute gas pipelines. In this process, broken pipe ports often occur. At this time, a special gas pipe plugging device is needed to plug it.

[0003] The gas pipe plugging device under the existing technology has the problem of low versatility and cannot be applied to pipes of various sizes. Utility Model Content

[0004] The utility model aims at solving the problems in the prior art and provides a gas pipe blocking device.

[0005] In order to achieve the above purpose, the technical solution adopted in this application is:

[0006] A gas pipe plugging device, comprising a plugging mechanism and a clamping mechanism;

[0007] The clamping mechanism comprises a telescopic rod, a clamping arm and a sealing ring; the clamping arm is provided with two, and the clamping arm is fixedly connected to the upper and lower ends of the left side of the telescopic rod; a sealing ring is fixedly installed on one side of the clamping arm close to the wall of the gas pipe, and the sealing ring is U-shaped;

[0008] The sealing mechanism comprises a rubber plug; the rubber plug is arranged between the upper and lower clamping arms; the cross-section of the rubber plug is a trapezoid, and a longer bottom edge section of the rubber plug is fixedly connected to the left side of the telescopic rod.

[0009] Preferably, the telescopic rod comprises a movable arm, a shell, a connecting plate and a spring; the left sides of the upper and lower ends of the movable arm are fixedly connected to the clamping arm; the left side of the shell is fixedly connected to the rubber plug;

[0010] The cross section of the movable arm is an I-shape, the upper and lower contours of the shell match the contour of the movable arm, the movable arm passes through the upper and lower ends of the shell and is fixedly connected to the connecting plate, two connecting plates are provided, and a spring is fixedly installed on one side close to the connecting plates.

[0011] Preferably, the sealing mechanism also includes a fan, a pipe and an airbag; the fan is fixedly mounted on the right side of the outer shell; the air outlet on the bottom of the fan is connected to the pipe; the airbag is arranged on the left side of the rubber plug, and the end of the pipe away from the connection with the fan is connected to the airbag.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] The utility model discloses a gas pipe plugging device, which is provided with a clamping mechanism including a telescopic rod, a clamping arm, a sealing ring, a movable arm, a shell, a connecting plate and a spring, so that the upper and lower clamping arms clamp the pipeline opening of the gas pipe and clamp the pipe wall through the sealing ring; the inner side of the sealing ring is arranged in contact with the rubber plug, which can effectively prevent the gas pipe incision from scratching the surface of the rubber plug; at the same time, the trapezoidal rubber plug cooperates with the sealing mechanism including a fan, a pipeline and an air bag to achieve the plugging of pipelines of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a top view of the housing in the utility model;

[0017] In the above figures, 1, telescopic rod; 101, movable arm; 102, housing; 103, connecting plate; 104, spring; 2, clamping arm; 3, sealing ring; 4, gas pipe; 5, rubber plug; 6, fan; 7, pipeline; 8, airbag. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0020] Embodiment 1, as Figure 1 , Figure 2 As shown, a gas pipe blocking device of the present application includes a blocking mechanism and a clamping mechanism;

[0021] The clamping mechanism includes a telescopic rod 1, a clamping arm 2 and a sealing ring 3; the clamping arm 2 is provided with two, and the clamping arm 2 is fixedly connected to the upper and lower ends of the left side of the telescopic rod 1; the clamping arm 2 is arranged on the upper and lower sides of the wall of the gas pipe 4, and a sealing ring 3 is fixedly installed on the side of the clamping arm 2 close to the wall of the gas pipe 4, and the sealing ring 3 is U-shaped; when in use, the upper and lower clamping arms 2 are clamped at the pipe mouth of the gas pipe 4, and the pipe wall is clamped by the sealing ring 3;

[0022] The blocking mechanism includes a rubber plug 5; the rubber plug 5 is arranged between the upper and lower clamping arms 2; the cross-sectional shape of the rubber plug 5 is a trapezoid, and a longer bottom edge section of the rubber plug 5 is fixedly connected to the left side of the telescopic rod 1; the setting of the sealing ring 3 can prevent the incision of the gas pipe 4 from scratching the surface of the rubber plug 5, and the trapezoidal setting of the rubber plug 5 can be used to block gas pipes 4 of various sizes;

[0023] The telescopic rod 1 includes a movable arm 101, a housing 102, a connecting plate 103 and a spring 104; the left sides of the upper and lower ends of the movable arm 101 are fixedly connected to the clamping arm 2; the left side of the housing 102 is fixedly connected to the rubber plug 5;

[0024] The cross section of the movable arm 101 is an I-shape, and the upper and lower contours of the shell 102 match the contour of the movable arm 101. The movable arm 101 passes through the upper and lower ends of the shell 102 and is fixedly connected to the connecting plate 103. When in use, the connecting plate 103 has a limiting function; two connecting plates 103 are provided, and a spring 104 is fixedly installed on one side close to the connecting plates 103; when the shell 102 is in use, when dealing with pipes of different sizes, the length of the movable arm 101 drawn out of the shell 102 is changed, so that the clamping arm 2 can clamp pipes of different sizes;

[0025] The blocking mechanism also includes a fan 6, a pipe 7 and an airbag 8; the fan 6 is fixedly installed on the right side of the shell 102; the air outlet on the bottom of the fan 6 is connected to the pipe 7; the airbag 8 is arranged on the left side of the rubber plug 5, and the end of the pipe 7 away from the connection with the fan 6 is connected to the airbag 8; when in use, the airbag 8 is extended into the gas pipe 4, and air is pumped into the airbag 8 through the fan 6 to expand the airbag 8, and finally expands to be close to the inner wall of the gas pipe 4, thereby enhancing the air tightness at the opening of the gas pipe 4 and being suitable for pipes of different sizes.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A gas pipe plugging device, It is characterized in that It includes a blocking mechanism and a clamping mechanism; The clamping mechanism comprises a telescopic rod (1), a clamping arm (2) and a sealing ring (3); two clamping arms (2) are provided, and the clamping arms (2) are fixedly connected to the upper and lower ends of the left side surface of the telescopic rod (1); a sealing ring (3) is fixedly installed on one side of the clamping arm (2) close to the wall of the gas pipe (4), and the sealing ring (3) is U-shaped; The sealing mechanism comprises a rubber plug (5); the rubber plug (5) is arranged between the upper and lower clamping arms (2); the cross-sectional shape of the rubber plug (5) is a trapezoid, and a longer bottom edge section of the rubber plug (5) is fixedly connected to the left side of the telescopic rod (1).

2. A gas pipe plugging device according to claim 1, It is characterized in that The telescopic rod (1) comprises a movable arm (101), a housing (102), a connecting plate (103) and a spring (104); the left sides of the upper and lower ends of the movable arm (101) are fixedly connected to the clamping arm (2); the left side of the housing (102) is fixedly connected to the rubber plug (5); The movable arm (101) has an I-shaped cross section, the upper and lower contours of the housing (102) match the contour of the movable arm (101), the movable arm (101) passes through the upper and lower ends of the housing (102) and is fixedly connected to a connecting plate (103), two connecting plates (103) are provided, and a spring (104) is fixedly installed on one side of the connecting plates (103) that is close to each other.

3. A gas pipe plugging device according to claim 2, It is characterized in that The blocking mechanism further comprises a fan (6), a pipe (7) and an air bag (8); the fan (6) is fixedly mounted on the right side of the housing (102); an air outlet on the bottom surface of the fan (6) is connected to the pipe (7); the air bag (8) is arranged on the left side of the rubber plug (5), and an end of the pipe (7) away from the connection with the fan (6) is connected to the air bag (8).

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