Gas extraction connecting pipe

Abstract

The utility model discloses a gas extraction connecting pipe which comprises a first pipe body and an installation assembly, a second pipe body is arranged at the rear end of the first pipe body, the installation assembly is arranged outside the second pipe body, and the installation assembly comprises a movable lantern ring, an internal thread main body, a butt joint groove, a sealing ring and an external thread main body. An internal thread body is arranged on the inner side of the movable lantern ring, butt joint grooves are formed in the two ends of the second pipe body, sealing rings are connected into the butt joint grooves, an external thread body is arranged outside the rear end of the first pipe body, and a protection assembly is arranged in the first pipe body. According to the gas extraction connecting pipe, rapid butt joint installation of a plurality of connecting pipes can be achieved through the installation assembly, tedious fixation of a plurality of bolts can be avoided, meanwhile, the labor intensity of workers is relieved, the anti-corrosion performance of the connecting pipe is improved through the polyurethane layer, the working efficiency is improved, and the device is simple in structure and convenient to use. And the production cost can be greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of gas extraction, in particular to a gas extraction connecting pipe. Background Art

[0002] Gas extraction refers to the process of directly extracting gas from unmined coal seams or goafs to the ground through boreholes or special extraction tunnels, pipes, vacuum pumps, etc. for utilization, turning harm into benefit. Gas extraction is an important safety measure aimed at reducing the amount of gas outburst during the mining process, preventing gas from exceeding limits and accumulating, and preventing gas explosions and coal and gas outburst accidents. By extracting gas, not only can the safe production of mines be guaranteed, but also gas, which was once considered a harmful substance, can be converted into a usable resource. When extracting gas, special gas extraction connecting pipes are required. Workers extract gas through the connecting pipes, but many existing connecting pipes are mostly welded and installed by electric welding, which increases the difficulty of the workers' work, resulting in reduced practicality and reduced efficiency of the connecting pipes. Therefore, improvements need to be made to the above problems to meet actual usage needs. Utility Model Content

[0003] The purpose of the utility model is to provide a gas extraction connecting pipe to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a gas extraction connecting pipe, comprising a first tube body and an installation assembly, a second tube body is provided at the rear end of the first tube body, an installation assembly is provided on the outside of the second tube body, and the installation assembly includes a movable collar, an internal threaded body, a docking groove, a sealing ring and an external threaded body, an internal threaded body is provided on the inner side of the movable collar, docking grooves are provided at both ends of the second tube body, and a sealing ring is connected to the inside of the docking groove, an external threaded body is provided on the outside of the rear end of the first tube body, and a protective assembly is provided inside the first tube body.

[0005] Preferably, the outer side of the second tube body is horizontally distributed with the outer side of the first tube body, and the second tube body is connected to the first tube body via a movable collar.

[0006] Preferably, the inner size of the movable collar is matched with the outer size of the second tube body, and the movable collar is rotatably connected to the second tube body.

[0007] Preferably, the inner size of the docking groove is matched with the outer size of the sealing ring, and the sealing ring is connected to the second tube body through the docking groove.

[0008] Preferably, the protective component includes a polyurethane layer, fireproof cotton and a wear-resistant layer, the fireproof cotton is arranged on the inner side of the polyurethane layer, and the wear-resistant layer is arranged inside the fireproof cotton.

[0009] Preferably, the protective component further includes reinforcing ribs, an antistatic layer and an inner layer, and the reinforcing ribs are installed on the inner side of the wear-resistant layer, and the antistatic layer is arranged on the inner side of the reinforcing ribs, and the inner layer is arranged on the inner side of the antistatic layer.

[0010] Preferably, a wear-resistant layer and a polyurethane layer are distributed on the inner and outer sides of the fireproof cotton, and the fireproof cotton is confined between the wear-resistant layer and the polyurethane layer.

[0011] Preferably, the reinforcing ribs are evenly distributed outside the antistatic layer, and the reinforcing ribs are fixedly connected to the antistatic layer.

[0012] Compared with the prior art, the beneficial effects of the present invention are: the gas extraction connecting pipe can realize the rapid docking and installation of multiple connecting pipes through the installation assembly, which can avoid the cumbersome fixation between multiple bolts, while reducing the labor intensity of the staff and improving the work efficiency. The device has a simple structure and can greatly reduce the production cost.

[0013] The gas extraction connecting pipe is provided with an installation assembly, which is quickly installed by rotating the internal thread main body opened on the inner side of the movable collar and the first pipe body, and cooperates with the sealing ring to enhance the sealing after the docking installation, thereby improving the convenience of the installation process of multiple gas extraction connecting pipes and reducing the labor intensity of the workers;

[0014] This gas extraction connecting pipe is equipped with a protective component. The polyurethane layer enhances the pipe's corrosion resistance. Furthermore, reinforced ribs inside the pipe increase its overall compressive strength, preventing deformation during use and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the device of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional unfolding structure of the installation component of the utility model;

[0017] Figure 3 This is a schematic diagram of the three-dimensional cross-sectional structure of the protective component of the present invention.

[0018] In the figure: 1. First tube body; 2. Second tube body; 3. Mounting assembly; 301. Movable collar; 302. Internally threaded body; 303. Docking groove; 304. Sealing ring; 305. Externally threaded body; 4. Protective assembly; 401. Polyurethane layer; 402. Fireproof cotton; 403. Wear-resistant layer; 404. Reinforcement ribs; 405. Antistatic layer; 406. Inner layer. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figures 1 to 3 The utility model provides a technical solution: a gas extraction connecting pipe, including a first pipe body 1 and an installation component 3, the rear end of the first pipe body 1 is provided with a second pipe body 2, the outside of the second pipe body 2 is provided with an installation component 3, and the installation component 3 includes a movable collar 301, an internal thread body 302, a docking groove 303, a sealing ring 304 and an external thread body 305, the inner side of the movable collar 301 is provided with an internal thread body 302, and the two ends of the second pipe body 2 are provided with docking grooves 303, and the docking grooves 303 are connected to the inner side of the A sealing ring 304 is provided on the outside of the rear end of the first tube body 1 with an external threaded main body 305. The outer side of the second tube body 2 is horizontally distributed with the outer side of the first tube body 1, and the second tube body 2 is connected to the first tube body 1 through a movable collar 301. The internal dimensions of the movable collar 301 are adapted to the external dimensions of the second tube body 2, and the movable collar 301 is rotatably connected to the second tube body 2. The internal dimensions of the docking groove 303 are adapted to the external dimensions of the sealing ring 304, and the sealing ring 304 is connected to the second tube body 2 through the docking groove 303.

[0021] When using the gas extraction connecting pipe, if Figures 1 to 3 As shown, first, the movable ring 301 is limitedly installed at the external front end of the second tube body 2, and at the same time, the internal threaded body 302 opened on the inner side of the movable ring 301 matches the external threaded body 305 opened at the rear end of the first tube body 1, so that after the first tube body 1 and the second tube body 2 are connected, the first tube body 1 and the second tube body 2 are fixedly installed by rotating the movable ring 301, and the internal size of the docking groove 303 opened at the internal front end of the second tube body 2 matches the external size of the sealing ring 304, so that when the first tube body 1 and the second tube body 2 are connected, the sealing performance of the tube bodies after connection is increased by the sealing ring 304, thereby improving the convenience of installation of the connecting pipe and increasing the overall use efficiency.

[0022] At the same time, a protective component 4 is provided inside the first tube body 1, and the protective component 4 includes a polyurethane layer 401, fireproof cotton 402 and a wear-resistant layer 403. Fireproof cotton 402 is provided on the inner side of the polyurethane layer 401, and a wear-resistant layer 403 is provided inside the fireproof cotton 402. The protective component 4 also includes reinforcing ribs 404, an antistatic layer 405 and an inner layer 406. Reinforcing ribs 404 are installed on the inner side of the wear-resistant layer 403, and an antistatic layer 405 is provided on the inner side of the reinforcing ribs 404. An inner layer 406 is provided on the inner side of the antistatic layer 405. The wear-resistant layer 403 and the polyurethane layer 401 are distributed on both sides of the fireproof cotton 402, and the fireproof cotton 402 is limited between the wear-resistant layer 403 and the polyurethane layer 401. The reinforcing ribs 404 are equidistantly distributed on the outside of the antistatic layer 405, and the reinforcing ribs 404 are fixedly connected to the antistatic layer 405.

[0023] After the device is assembled, the polyurethane layer 401 provided on the inner side of the first tube body 1 increases the corrosion resistance of the entire exterior of the connecting pipe. At the same time, the fireproof cotton 402 provided on the inner side of the polyurethane layer 401 can prevent thermal deformation of the connecting pipe while reducing the surface temperature of the pipe. The wear-resistant layer 403 is used to increase the wear resistance of the connecting pipe during use. At the same time, the reinforcing ribs 404 are used to increase the pressure resistance of the connecting pipe during use to avoid deformation of the connecting pipe during use. The anti-static layer 405 reduces the resistivity of the surface of the connecting pipe, allowing the static charge that has been generated to leak quickly, thereby preventing damage and safety hazards caused by static electricity accumulation. The first tube body 1 and the second tube body 2 are fixedly installed by rotating the movable ring 301, and when the first tube body 1 and the second tube body 2 are docked, the sealing ring 304 is used to increase the sealing of the pipe bodies after docking, thereby improving the convenience of installation of the connecting pipe and increasing the overall use efficiency to meet actual use needs. This is the working principle of the gas extraction connecting pipe.

[0024] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas extraction connecting pipe, comprising a first pipe body (1) and a mounting assembly (3), characterized in that: The first tube body (1) is provided with a second tube body (2) at the rear end thereof, and a mounting assembly (3) is provided on the outside of the second tube body (2), and the mounting assembly (3) comprises a movable collar (301), an internally threaded body (302), a docking groove (303), a sealing ring (304) and an externally threaded body (305), wherein the internal side of the movable collar (301) is provided with an internally threaded body (302), docking grooves (303) are provided at both ends of the second tube body (2), and the inside of the docking grooves (303) is connected with a sealing ring (304), the externally threaded body (305) is provided on the outside of the rear end thereof, and a protective assembly (4) is provided on the inside of the first tube body (1).

2. A gas drainage connecting pipe according to claim 1, characterized in that: The outer side of the second tube body (2) and the outer side of the first tube body (1) are distributed horizontally, and the second tube body (2) is connected to the first tube body (1) via a movable collar (301).

3. A gas drainage connecting pipe according to claim 1, characterized in that: The internal dimensions of the movable collar (301) are adapted to the external dimensions of the second tube body (2), and the movable collar (301) is rotatably connected to the second tube body (2).

4. A gas drainage connecting pipe according to claim 1, characterized in that: The internal dimensions of the docking groove (303) are compatible with the external dimensions of the sealing ring (304), and the sealing ring (304) is connected to the second tube body (2) via the docking groove (303).

5. A gas drainage connecting pipe according to claim 1, characterized in that: The protective component (4) comprises a polyurethane layer (401), fireproof cotton (402) and a wear-resistant layer (403), wherein the fireproof cotton (402) is arranged on the inner side of the polyurethane layer (401), and the wear-resistant layer (403) is arranged inside the fireproof cotton (402).

6. A gas drainage connecting pipe according to claim 5, characterized in that: The protective component (4) further comprises a reinforcing rib (404), an antistatic layer (405) and an inner layer (406), wherein the reinforcing rib (404) is installed on the inner side of the wear-resistant layer (403), the antistatic layer (405) is arranged on the inner side of the reinforcing rib (404), and the inner layer (406) is arranged on the inner side of the antistatic layer (405).

7. A gas drainage connecting pipe according to claim 6, characterized in that: The fireproof cotton (402) is provided with a wear-resistant layer (403) and a polyurethane layer (401) distributed on both sides thereof, and the fireproof cotton (402) is confined between the wear-resistant layer (403) and the polyurethane layer (401).

8. A gas drainage connecting pipe according to claim 6, characterized in that: The reinforcing ribs (404) are distributed at equal intervals outside the antistatic layer (405), and the reinforcing ribs (404) are fixedly connected to the antistatic layer (405).

Images