Gas pipe plugging device

Abstract

The utility model discloses a gas pipe plugging device, which belongs to the technical field of gas pipeline maintenance and comprises a fixing frame and a connecting frame fixed on the surface of the fixing frame, two clamping plates are movably connected in the fixing frame, a rotating hole is formed in the top of the connecting frame, a guide screw rod is rotatably connected in the rotating hole in the top of the connecting frame, and the clamping plates are movably connected in the fixing frame. The outer wall of the guide screw is in threaded connection with a connecting sleeve, the lower half portion of the connecting sleeve is movably connected with a connecting base, a plugging block is fixed to the bottom of the connecting base, a through hole is formed in the outer wall of one side of the connecting base, and a positioning pin is movably connected into the through hole of the connecting base. And a positioning hole matched with the positioning pin is formed in the outer wall of one side of the connecting sleeve. The gas pipe plugging device is suitable for plugging gas pipes with different inner diameters, the plugging block can be conveniently and rapidly disassembled and assembled, and the plugging block can be conveniently maintained and replaced.

Description

Technical Field

[0001] This utility model belongs to the field of gas pipeline maintenance technology, specifically relating to a gas pipeline plugging device. Background Technology

[0002] Gas pipe plugs play a crucial role in the repair, renovation, and routine maintenance of gas pipelines. Traditional gas pipe plugs have several drawbacks. Firstly, they are poorly adaptable to gas pipes of different inner diameters, making it difficult to guarantee a good sealing effect and easily leading to gas leaks, posing serious safety hazards. Secondly, the installation and removal of the plugging blocks is complex and cumbersome. When maintenance or replacement of the plugging blocks is needed, it consumes a significant amount of time and manpower, reducing work efficiency and hindering the smooth progress of gas pipeline repair work. Utility Model Content

[0003] The purpose of this utility model is to provide a gas pipe plugging device to solve the shortcomings of traditional plugging devices mentioned in the background art when adapting to gas pipes with different inner diameters, as well as the problem of inconvenient disassembly and assembly of the plugging block.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a gas pipe plugging device, comprising a fixed frame and a connecting frame fixed to the surface of the fixed frame. Two clamping plates are movably connected inside the fixed frame. A rotating hole is provided at the top of the connecting frame, and a guide screw is rotatably connected inside the rotating hole at the top of the connecting frame. A connecting sleeve is threaded onto the outer wall of the guide screw. A connecting seat is movably connected to the lower half of the connecting sleeve. A plugging block is fixed at the bottom of the connecting seat. The plugging block has a conical structure, and a through hole is provided on one side of the outer wall of the connecting seat. A positioning pin is movably connected inside the through hole of the connecting seat. A positioning hole matching the positioning pin is provided on one side of the outer wall of the connecting sleeve.

[0005] In a further embodiment, an adjusting shaft is rotatably connected inside the fixing frame. The outer wall of the adjusting shaft has two sets of threaded grooves with opposite directions, and the threaded grooves on the outer wall of the adjusting shaft are externally threaded with guide blocks that are fixedly connected to the clamping plate.

[0006] In a further embodiment, a positioning ring is fixed to the outer wall of the positioning pin, and a fixing spring for supporting the positioning ring is sleeved on the outside of the positioning pin.

[0007] In a further embodiment, limit blocks are fixed on both outer walls of the connecting sleeve, and limit grooves for the limit blocks to slide are provided on both inner walls of the connecting seat.

[0008] In a further embodiment, limit rods are fixed on both outer walls of the connecting sleeve, and limit grooves for the movement of the limit rods are provided on both inner walls of the connecting frame.

[0009] In a further embodiment, a rotating groove is provided on one side of the outer wall of the clamping plate, and a sliding ball is rotatably connected in the rotating groove of the clamping plate.

[0010] The technical effects and advantages of this utility model are as follows:

[0011] This gas pipe plug, through the cooperation of the adjusting shaft, guide block and clamping plate, can easily adjust the distance between the clamping plates according to the diameter of the gas pipe, so that the plug can be stably fixed on gas pipes with different inner diameters, greatly improving the applicability of the plug. On the other hand, the conical structure of the plugging block enables it to plug gas pipes with different orifice diameters, further expanding its application range.

[0012] The design, utilizing a locating pin, locating ring, and fixing spring, enables quick assembly and disassembly of the sealing block. When maintenance or replacement of the sealing block is required, simply pulling the locating pin removes the block from the connecting sleeve, a simple and quick operation that saves significant time and labor costs.

[0013] The connection between the connecting sleeve and the connecting seat is achieved through the cooperation of the limiting block and the limiting groove, and the connection between the connecting seat and the connecting frame is achieved through the cooperation of the limiting rod and the limiting groove. This effectively ensures the stability of the sealing block during the sealing process, prevents the sealing block from shaking or shifting inside the gas pipe, ensures the reliability of the sealing effect, and reduces the risk of gas leakage. This gas pipe plugger is not only suitable for sealing gas pipes of different inner diameters, but also facilitates quick disassembly and assembly of the sealing block, making it convenient for maintenance and replacement of the sealing block. Attached Figure Description

[0014] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

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

[0016] Figure 2 This is a schematic diagram of the structure of the adjusting shaft and clamping plate of this utility model;

[0017] Figure 3 This is a schematic diagram of the connecting sleeve and sealing block of this utility model;

[0018] Figure 4 This is a schematic diagram of the guide screw and connecting sleeve of this utility model;

[0019] Figure 5 This is a schematic diagram of the positioning pin of this utility model.

[0020] In the diagram: 1. Fixed frame; 2. Adjusting shaft; 3. Turntable 1; 4. Guide block; 5. Clamping plate; 6. Sliding ball; 7. Connecting frame; 8. Guide screw; 9. Turntable 2; 10. Connecting sleeve; 11. Connecting seat; 12. Limiting block; 13. Limiting rod; 14. Sealing block; 15. Positioning pin; 16. Positioning ring; 17. Fixed spring. Detailed Implementation

[0021] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.

[0022] Unless otherwise defined, the directions mentioned herein, such as up, down, left, right, front, back, inside, and outside, are based on the directions shown in the figures of this utility model, and are explained here together.

[0023] This utility model provides, for example Figure 1-5 The gas pipe plugging device shown includes a fixing frame 1 and a connecting frame 7 fixed to the surface of the fixing frame 1. The fixing frame 1 is a component with an internal cavity structure, and an adjusting shaft 2 is rotatably connected inside it via bearings. The outer wall of the adjusting shaft 2 has two sets of threaded grooves with opposite directions. The threaded grooves are externally threaded to guide blocks 4 fixedly connected to clamps 5. One side of the outer wall of the fixing frame 1 has a guide groove for the guide blocks 4 to move, ensuring that the guide blocks 4 can only move along the direction of the guide groove. A turntable 3 is welded to the end face of the adjusting shaft 2 outside the fixing frame 1. The turntable 3 has threaded holes. By threading a fixing bolt into the threaded hole and tightening the fixing bolt, the position of the turntable 3 can be fixed, preventing the adjusting shaft 2 from being accidentally... The two clamping plates 5 are rotated, and arc-shaped grooves are provided on their opposite surfaces. The design of these arc-shaped grooves can better fit the outer wall of the gas pipeline and improve the stability of clamping. A rotating groove is provided on one side of the outer wall of the clamping plate 5, and a sliding ball 6 is rotatably connected in the rotating groove. A sliding groove is provided on one side of the inner wall of the fixing frame 1 for the sliding ball 6 to slide. When adjusting the position of the clamping plate 5, the sliding ball 6 rolls in the sliding groove, which reduces the friction between the clamping plate 5 and the fixing frame 1 and ensures the smoothness and stability of the movement of the clamping plate 5. By rotating the turntable 3, the adjusting shaft 2 is rotated, which in turn causes the guide block 4 to move the two clamping plates 5 towards each other, so that the clamping plates 5 can be tightly clamped on both sides of the gas pipeline, and a stable connection between the fixing frame 1 and the gas pipeline is achieved.

[0024] The connecting frame 7 is fixed to the surface of the fixed frame 1. A rotating hole is provided at its top, through which a welded bearing rotatably connects to the guide screw 8. A second turntable 9 is welded to the top of the guide screw 8. A threaded hole is also provided on the surface of the second turntable 9, through which a positioning bolt is threaded. Tightening the positioning bolt fixes the position of the second turntable 9, preventing accidental rotation of the guide screw 8. A connecting sleeve 10 is threaded to the outer wall of the guide screw 8. The lower half of the connecting sleeve 10 is movably connected to a connecting seat 11. Limiting blocks 12 are fixed to both outer walls of the connecting sleeve 10. Limiting grooves are provided on both inner walls of the connecting seat 11 for the limiting blocks 12 to slide within the limiting grooves, ensuring that the connecting sleeve 10 and the connecting seat 11 are properly aligned. The stable connection between the connecting seats 11 prevents the connecting seats 11 from shaking or shifting on the connecting sleeve 10. The bottom of the connecting seat 11 is fixed with a sealing block 14. The sealing block 14 is made of rubber and has good sealing and flexibility, which can better adapt to the inner wall of the gas pipe of different shapes and ensure the sealing effect. At the same time, the sealing block 14 has a conical structure. Limiting rods 13 are fixed on both outer walls of the connecting seat 11. Limiting grooves for the movement of the limiting rods 13 are opened on both inner walls of the connecting frame 7. When the guide screw 8 rotates, the limiting rods 13 restrict the movement path of the connecting sleeve 10, so that the connecting sleeve 10 can only move along the axial direction of the guide screw 8, ensuring the accuracy and stability of the movement of the connecting sleeve 10.

[0025] A through hole is provided on one side of the outer wall of the connecting seat 11, and a positioning pin 15 is movably connected in the through hole. A positioning hole matching the positioning pin 15 is provided on one side of the outer wall of the connecting sleeve 10. A positioning ring 16 is fixed to the outer wall of the positioning pin 15, and a fixing spring 17 is sleeved on the outside of the positioning pin 15. The fixing spring 17 provides support to the positioning ring 16, so that the positioning pin 15 is inserted into the positioning hole of the connecting sleeve 10, thereby fixing the position of the connecting seat 11 and the sealing block 14. When it is necessary to disassemble the connecting seat 11 and the sealing block 14, pull the positioning pin 15 to separate it from the connecting sleeve 10, overcome the elastic force of the fixing spring 17, and then move the sealing block 14 downward, so that the connecting seat 11 and the sealing block 14 can be removed from the connecting sleeve 10, which facilitates the disassembly and replacement of the connecting seat 11 and the sealing block 14.

[0026] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The control method of this utility model is through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0027] In the description of this utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0028] Working principle:

[0029] When using this gas pipe plug, firstly, according to the diameter of the gas pipe, rotate the turntable 3 to drive the adjusting shaft 2 to rotate, so that the guide block 4 drives the clamping plates 5 to move towards or away from each other, adjust the distance between the clamping plates 5, so that the arc groove of the clamping plate 5 fits tightly with the outer wall of the gas pipe, and realize the stable connection between the fixing frame 1 and the gas pipe.

[0030] Then, turntable 29 is rotated, which drives the guide screw 8 to rotate, so that the connecting sleeve 10 moves along the axial direction of the guide screw 8. When the connecting sleeve 10 moves, the upper limit slide groove of the limiting block 12 and the connecting seat 11 is engaged, which drives the connecting seat 11 and the sealing block 14 to move together, and gradually pushes the sealing block 14 to the part of the gas pipe that needs to be sealed, thus completing the sealing operation of the gas pipe.

[0031] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A gas pipe plugging device, comprising a fixing frame (1) and a connecting frame (7) fixed on the surface of the fixing frame (1), characterized in that: The fixed frame (1) is movably connected with two clamping plates (5), the top of the connecting frame (7) is provided with a rotating hole, and the rotating hole of the top of the connecting frame (7) is movably connected with a guide screw (8), the outer wall of the guide screw (8) is threadedly connected with a connecting sleeve (10), the lower half of the connecting sleeve (10) is movably connected with a connecting seat (11), the bottom of the connecting seat (11) is fixedly connected with a blocking block (14), the blocking block (14) is a tapered structure, and the outer wall of one side of the connecting seat (11) is provided with a through hole, the through hole of the connecting seat (11) is movably connected with a positioning pin (15), and the outer wall of one side of the connecting sleeve (10) is provided with a positioning hole matched with the positioning pin (15).

2. A gas pipe plug according to claim 1, characterised in that: The fixed frame (1) is movably connected with an adjusting shaft (2), the outer wall of the adjusting shaft (2) is provided with two groups of threads grooves with opposite directions, and the thread grooves of the outer wall of the adjusting shaft (2) are threadedly connected with the guide block (4) fixedly connected with the clamping plate (5).

3. A gas pipe plug according to claim 1, wherein: The outer wall of the positioning pin (15) is fixedly connected with a positioning ring (16), and the outer wall of the positioning pin (15) is movably connected with a fixing spring (17) for supporting the positioning ring (16).

4. A gas pipe plug according to claim 1, characterized in that: The outer wall of the connecting sleeve (10) is fixedly connected with a limiting block (12), and the inner wall of the connecting seat (11) is provided with a limiting sliding groove for sliding of the limiting block (12).

5. A gas pipe plug according to claim 1, characterized in that: The outer wall of the connecting seat (11) is fixedly connected with a limiting rod (13), and the inner wall of the connecting frame (7) is provided with a limiting groove for movement of the limiting rod (13).

6. A gas pipe plug according to claim 2, wherein: The outer wall of the clamping plate (5) is provided with a rotating groove, and the rotating groove of the clamping plate (5) is movably connected with a sliding ball (6).

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