Pipeline plugging device for gas engineering installation

Abstract

The utility model belongs to the technical field of gas engineering, and particularly relates to a pipeline plugging device for gas engineering installation, which comprises an inner clamping component, a fastening component and a plugging component, the inner clamping component comprises an end plate, and two sides of the end plate are respectively connected with a first external thread pipe and a second external thread pipe. The first external threaded pipe is in threaded connection with a first internal threaded pipe in the plugging assembly, the second external threaded pipe is in threaded connection with a second internal threaded pipe in the fastening assembly, one end of the second external threaded pipe is connected with a spring clamping plate, and one end of the second internal threaded pipe is connected with a limiting pipe. A sliding sleeve is rotationally clamped to the inner side of the limiting pipe and rotationally sleeved with the outer side of the spring clamping plate, and a plug is installed on the inner end face of the first inner threaded pipe. The spring clamping plate is tightened through a simple thread structure, and the inner clamping assembly is rapidly and stably clamped and fixed to the gas pipe within a certain diameter range through the cooperation of the anti-skid rubber pad. Similarly, the plug can quickly and stably plug the port of the gas pipe through a simple thread structure.

Description

Technical Field

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

[0002] Gas engineering refers not only to natural gas engineering, but also includes liquefied petroleum gas, coal-to-gas and heavy oil cracking gas. We use more natural gas now, so the gas engineering generally referred to now is also natural gas engineering. The scope of gas engineering is relatively broad, including large infrastructure projects such as gate stations, compressed gas stations and storage tanks, etc. General civil engineering includes community gas pipeline networks, urban gas pipeline networks, gas pressure regulating stations and in-building gas pipeline installation.

[0003] When installing or repairing gas engineering, a pipeline plugging device is often needed to seal the unfinished pipeline, on the one hand to prevent the leakage of residual natural gas in the pipeline, and on the other hand to prevent foreign matter from entering the pipeline and causing the pipeline to be blocked. However, when the existing pipeline plugging device for gas engineering installation is used, if the end of the pipeline to be plugged lacks a flange, or the external thread of the pipeline port does not match the thread size of the plugging device, the plugging device cannot be quickly and firmly fixed on the pipeline body to reliably plug the pipeline. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a pipeline plugging device for gas engineering installation, which solves the problem that the existing plugging device cannot be quickly and firmly fixed on the pipeline body to reliably plug the pipeline when the end of the pipeline to be plugged lacks a flange or the external thread of the pipeline port does not match the thread size of the plugging device.

[0005] To achieve the above objectives, the utility model adopts the following technical solution: a pipeline plugging device for gas engineering installation, comprising an inner clamping component, a fastening component, and a plugging component, wherein the inner clamping component, the fastening component, and the plugging component are sleeved on the outside of the gas pipe, the inner clamping component comprises an end plate, and the two sides of the end plate are respectively connected with a first externally threaded tube and a second externally threaded tube, the first externally threaded tube is threadedly connected to the first internally threaded tube in the plugging component, the second externally threaded tube is threadedly connected to the second internally threaded tube in the fastening component, one end of the second externally threaded tube is connected to a spring clamp, one end of the second internally threaded tube is connected to a limiting tube, a sliding sleeve is rotatably mounted on the inner side of the limiting tube, and the sliding sleeve is rotatably sleeved on the outer side of the spring clamp, and a plug is installed on the inner end face of the first internally threaded tube.

[0006] The beneficial effects of the utility model are as follows: the spring clamp is tightened by a simple threaded structure, and the inner clamping component is quickly and firmly clamped and fixed on the gas pipe within a certain diameter range by the use of a non-slip rubber pad; similarly, the plug is quickly and firmly sealed off the port of the gas pipe by a simple threaded structure.

[0007] In order to effectively tighten and clamp the spring clamp to the gas pipe;

[0008] As a further improvement of the above technical solution: the number of the spring clamps is multiple and they are arranged at equal intervals around the axis of the second externally threaded tube, and the limiting tube is a conical tube structure.

[0009] The beneficial effect of this improvement is that when the fastening assembly moves toward the end plate, the limit tube drives the sliding sleeve to squeeze the multiple spring clamps to produce elastic deformation, thereby reducing the port diameter of the approximately conical tube structure composed of the multiple spring clamps, thereby firmly clamping it on the gas pipe.

[0010] In order to effectively improve the stability of the inner clamping assembly on the gas pipe;

[0011] As a further improvement of the above technical solution: a non-slip rubber pad is bonded to the inner side of the spring clamp, and the edge of the non-slip rubber pad is flush with the edge of the spring clamp.

[0012] The beneficial effect of this improvement is that the anti-skid rubber pad can effectively increase the friction between the inner clamping assembly and the gas pipe, thereby improving the stability of the inner clamping assembly clamping on the gas pipe.

[0013] In order to effectively improve the stability of the inner clamping assembly on the gas pipe by using the anti-slip rubber pad;

[0014] As a further improvement of the above technical solution: the surface of the anti-skid rubber pad facing the gas pipe is formed with an anti-skid convex structure.

[0015] The beneficial effect of this improvement is that the anti-skid convex patterns on the surface of the anti-skid rubber pad can effectively increase the friction between the anti-skid rubber pad and the gas pipe.

[0016] In order to enable the plug to effectively seal the ports of gas pipes of different diameters;

[0017] As a further improvement of the above technical solution: the plug is a truncated cone-shaped rubber block structure, and the end of the plug facing the inner clamping component is the upper end surface.

[0018] The beneficial effect of this improvement is that during the movement of the plugging assembly toward the inward clamping assembly, the upper end surface of the plug can be inserted into the gas pipe, and the ports of gas pipes of different diameters can be plugged by the action of the curved surface and inclined surface.

[0019] In order to conveniently replace the plug to reduce the cost of using the device;

[0020] As a further improvement of the above technical solution: the plug is provided with an internal threaded hole structure for threaded connection with a connecting bolt, and the first internal threaded tube is provided with a through hole structure for sliding insertion of the connecting bolt.

[0021] The beneficial effect of this improvement is that the plug can be stably mounted on the first internally threaded pipe by using connecting bolts, and can be easily replaced after the surface is worn and cracked.

[0022] In order to save effort and conveniently rotate the fastening components and the plugging components;

[0023] As a further improvement of the above technical solution: the second internally threaded tube and the first internally threaded tube are respectively provided with a second turning handle and a first turning handle, and the curved side surfaces of the second turning handle and the first turning handle are both formed with anti-slip convex patterns.

[0024] The beneficial effect of this improvement is that the operator can hold the second rotating handle and the first rotating handle to rotate the fastening component and the blocking component with less effort.

[0025] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The cross-sectional structure of the utility model Figure 1 ;

[0027] Figure 2 The structure of the utility model is shown in FIG. Figure 1 ;

[0028] Figure 3 The cross-sectional structure of the utility model Figure 2 ;

[0029] Figure 4 The structure of the utility model is shown in FIG. Figure 2 ;

[0030] In the figure: 1. internal clamping assembly; 11. end plate; 12. first externally threaded tube; 13. second externally threaded tube; 14. spring clamp; 15. anti-slip rubber pad; 2. fastening assembly; 21. second internally threaded tube; 22. limiting tube; 23. sliding sleeve; 24. second turning handle; 3. plugging assembly; 31. first internally threaded tube; 32. plug; 33. connecting bolt; 34. first turning handle; 4. gas pipe. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.

[0032] Embodiment 1:

[0033] like Figure 1—4 shows: a pipeline plugging device for gas engineering installation, comprising an inner clamping component 1, a fastening component 2, and a plugging component 3, wherein the inner clamping component 1, the fastening component 2, and the plugging component 3 are sleeved on the outer side of the gas pipe 4, the inner clamping component 1 comprises an end plate 11, and the two sides of the end plate 11 are respectively connected with a first externally threaded tube 12 and a second externally threaded tube 13, the first externally threaded tube 12 is threadedly connected to the first internally threaded tube 31 in the plugging component 3, the second externally threaded tube 13 is threadedly connected to the second internally threaded tube 21 in the fastening component 2, one end of the second externally threaded tube 13 is connected to a spring clamp 14, one end of the second internally threaded tube 21 is connected to a limiting tube 22, the inner side of the limiting tube 22 is rotatably clamped with a sliding sleeve 23 and the sliding sleeve 23 rotates The first internally threaded tube 31 is sleeved on the outside of the spring clamp 14, and a plug 32 is installed on the inner end face of the first internally threaded tube 31. The spring clamp 14 is tightened by a simple thread structure, and the inner clamping component 1 is quickly and firmly clamped and fixed on the gas pipe 4 within a certain diameter range with the use of the anti-slip rubber pad 15; the plug 32 is also quickly and firmly sealed off the port of the gas pipe 4 by a simple thread structure. The number of the spring clamps 14 is multiple and they are equidistantly spaced around the axis of the second externally threaded tube 13. The limiting tube 22 is a conical tube structure. When the fastening component 2 moves toward the end plate 11, the limiting tube 22 drives the sliding sleeve 23 to squeeze the multiple spring clamps 14 to produce elastic deformation, thereby reducing the port diameter of the approximately conical tube structure composed of the multiple spring clamps 14. , so as to be firmly clamped on the gas pipe 4, the inner side of the spring clamp 14 is bonded with a non-slip rubber pad 15, the edge of the non-slip rubber pad 15 is flush with the edge of the spring clamp 14, the non-slip rubber pad 15 can effectively increase the friction between the inner clamping component 1 and the gas pipe 4, thereby improving the stability of the inner clamping component 1 on the gas pipe 4, the surface of the non-slip rubber pad 15 facing the gas pipe 4 is formed with an anti-slip convex structure, and the anti-slip convex structure on the surface of the non-slip rubber pad 15 can effectively increase the friction between the non-slip rubber pad 15 and the gas pipe 4, the plug 32 is a truncated cone-shaped rubber block structure, and the end of the plug 32 facing the inner clamping component 1 is the upper end surface, and during the movement of the plugging component 3 toward the inner clamping component 1, the upper end surface of the plug 32 The plug 32 can be inserted into the gas pipe 4 to seal the ports of the gas pipes 4 of different diameters by the action of the curved inclined surface. The plug 32 is provided with an internal threaded hole structure for threaded connection with a connecting bolt 33, and the first internal threaded tube 31 is provided with a through hole structure for slidingly inserting the connecting bolt 33. The plug 32 can be firmly installed on the first internal threaded tube 31 by using the connecting bolt 33, and can be conveniently replaced after the surface is worn and broken. The second internal threaded tube 21 and the first internal threaded tube 31 are respectively provided with a second turning handle 24 and a first turning handle 34. The curved side surfaces of the second turning handle 24 and the first turning handle 34 are both formed with anti-slip convex patterns. The operator can hold the second turning handle 24 and the first turning handle 34 to save effort in rotating the fastening component 2 and the sealing component 3.

[0034] The working principle of the present technical solution is as follows: when plugging the gas pipe 4, firstly, the inner clamping assembly 1, the fastening assembly 2, and the plugging assembly 3 which are mutually threadedly connected are mounted on one end of the gas pipe 4. At this time, under the premise of ensuring that the inner clamping assembly 1 is threadedly connected with the fastening assembly 2, the second turning handle 24 is moved as far away from the end plate 11 as possible to reduce the tightening effect of the limiting tube 22 on the inner diameter of the end of the spring clamping plate 14; then the operator slides the position of the adjustment device to make the plug 32 press against the end of the gas pipe 4, and then holds the fastening assembly 2 with both hands respectively. The assembly 2 and the plugging assembly 3 are rotated in opposite directions. At this time, the fastening assembly 2 moves toward the direction of the end plate 11, and the limiting tube 22 drives the sliding sleeve 23 to move linearly and squeezes the spring clamp 14 to tighten, so that the anti-slip rubber pad 15 is pressed tightly against the outside of the gas pipe 4 under the pressure of the spring clamp 14. At this time, the device is stably locked and fixed on the gas pipe 4, and the plugging assembly 3 moves toward the direction of the end plate 11 when rotating, so that the plug 32 is pressed tightly against the port of the gas pipe 4, and the gas pipe 4 is firmly sealed.

[0035] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0036] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A pipeline plugging device for gas engineering installation, characterized in that: The invention comprises an inner clamping assembly (1), a fastening assembly (2) and a plugging assembly (3), wherein the inner clamping assembly (1), the fastening assembly (2) and the plugging assembly (3) are sleeved on the outer side of a gas pipe (4), the inner clamping assembly (1) comprises an end plate (11), and two sides of the end plate (11) are respectively connected to a first externally threaded tube (12) and a second externally threaded tube (13), the first externally threaded tube (12) is threadedly connected to a first internally threaded tube (31) in the plugging assembly (3), and the The second externally threaded tube (13) is threadedly connected to the second internally threaded tube (21) in the fastening assembly (2); one end of the second externally threaded tube (13) is connected to a spring clamp (14); one end of the second internally threaded tube (21) is connected to a limiting tube (22); a sliding sleeve (23) is rotatably mounted on the inner side of the limiting tube (22) and the sliding sleeve (23) is rotatably mounted on the outer side of the spring clamp (14); and a plug (32) is installed on the inner end surface of the first internally threaded tube (31).

2. A pipeline plugging device for gas engineering installation according to claim 1, characterized in that: The number of the spring clamps (14) is plural and they are arranged at equal intervals around the axis of the second externally threaded tube (13), and the limiting tube (22) is a conical tube structure.

3. A pipeline plugging device for gas engineering installation according to claim 1, characterized in that: An anti-skid rubber pad (15) is bonded to the inner side of the spring clamp (14), and the edge of the anti-skid rubber pad (15) is flush with the edge of the spring clamp (14).

4. A pipeline plugging device for gas engineering installation according to claim 3, characterized in that: The surface of the anti-skid rubber pad (15) facing the gas pipe (4) is formed with an anti-skid convex structure.

5. A pipeline plugging device for gas engineering installation according to claim 1, characterized in that: The plug (32) is a truncated cone-shaped rubber block structure, and the end of the plug (32) facing the inner clamping component (1) is an upper end surface.

6. A pipeline plugging device for gas engineering installation according to claim 1, characterized in that: The plug (32) is provided with an internal threaded hole structure for threadedly connecting a connecting bolt (33), and the first internal threaded tube (31) is provided with a through hole structure for slidingly inserting the connecting bolt (33).

7. A pipeline plugging device for gas engineering installation according to claim 1, characterized in that: The second internally threaded tube (21) and the first internally threaded tube (31) are respectively provided with a second turning handle (24) and a first turning handle (34), and the curved side surfaces of the second turning handle (24) and the first turning handle (34) are both formed with anti-slip convex patterns.

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