CN210716518U - Natural gas pipeline convenient to overhaul - Google Patents

Abstract

The utility model discloses a natural gas pipeline which is convenient for maintenance, comprising an inner pipe, an outer pipe and a clamping mechanism, the inner pipe is arranged inside the outer pipe, the outer pipe comprises an upper outer pipe and a lower outer pipe, the upper The outer tube and the lower outer tube are fixedly connected by a clamping mechanism, and the clamping mechanism includes a fixed block, a fixed groove, a clamping block, a clamping groove, a movable rod, a movable block, a spring, a limit block, a limit groove, an extrusion The pressure rod and the limit rod, the fixing block is arranged at the position where the upper outer tube and the lower outer tube are connected, the side of the fixing block close to the inner tube is fixedly connected with two clamping blocks, and the two fixing grooves are respectively opened in The surfaces of the upper outer tube and the lower outer tube. The utility model can quickly disassemble the outer pipe of the natural gas pipe by arranging the clamping mechanism, the disassembly process is relatively simple, the maintenance process is simplified, and the pipeline can be repaired in time when emergency maintenance is encountered, thereby improving the maintenance efficiency. , to bring great convenience to the maintenance work.

Description

A kind of natural gas pipeline for easy maintenance

technical field

The utility model relates to the technical field of natural gas pipelines, in particular to a natural gas pipeline which is convenient for maintenance.

Background technique

Natural gas pipeline refers to the pipeline that transports natural gas from mining sites or processing plants to urban gas distribution centers or industrial enterprise users, also known as gas transmission pipelines. When overhauling existing natural gas pipelines, it is necessary to first repair the protection pipes outside the natural gas pipelines. Disassemble, and then repair the pipeline. Since the current natural gas pipe is installed inside the protection pipe, the disassembly process is relatively complicated, which makes the maintenance process more cumbersome. When encountering emergency maintenance, it is extremely inconvenient, reducing the efficiency of maintenance and reducing maintenance work. Bringing great inconvenience, for this reason, we propose a natural gas pipeline that is easy to repair.

Utility model content

The purpose of the present invention is to provide a natural gas pipeline which is convenient for maintenance, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a natural gas pipeline that is convenient for maintenance, comprising an inner pipe, an outer pipe and a clamping mechanism, the inner pipe is arranged inside the outer pipe, and the outer pipe includes an upper outer pipe and the lower outer tube, the upper outer tube and the lower outer tube are fixedly connected by a clamping mechanism;

The clamping mechanism includes a fixed block, a fixed groove, a clamping block, a clamping groove, a movable rod, a movable block, a spring, a limit block, a limit groove, an extrusion rod and a limit rod, and the fixed block is arranged on the upper and outer sides. The position of the connection between the pipe and the lower outer pipe, the side of the fixing block close to the inner pipe is fixedly connected with two clamping blocks, and the two fixing grooves are respectively opened on the surface of the upper outer pipe and the lower outer pipe, and the clamping blocks are close to One end of the inner tube penetrates through the fixing slot and extends to the inside of the fixing slot, the slot is opened inside the clamping block, the two ends of the movable rod are respectively fixedly connected with the top and bottom of the inner wall of the clamping slot, and the movable block is movably connected On the surface of the movable rod, the spring is sleeved on the surface of the movable rod, the limit groove is opened on the inner wall of the fixed groove, and the limit block is arranged inside the limit groove and is fixedly connected with the movable block, so The extrusion rod is arranged on the top of the clamping block, the bottom end of the extrusion rod is fixedly connected with the movable block, the limit rod is arranged on the surface of the extrusion rod, and the surface of the limit rod is respectively connected with the extrusion rod. Actively connected to the outer tube.

Preferably, the outer surface of the inner pipe is provided with an anti-corrosion layer, the top and bottom of the inner pipe are provided with mounting sleeves, and the side of the mounting sleeves away from the inner pipe is fixedly connected to the inner wall of the outer pipe.

Preferably, both ends of the spring are respectively fixedly connected to the movable block and the inner wall of the card slot, and a handle is installed on the side of the fixed block away from the inner tube.

Preferably, the surface of the limiting block is movably connected with the limiting groove and the clamping block, respectively, and the surface of the pressing rod is movably connected with the clamping block.

Preferably, a guide block is arranged inside the card slot, and a side of the guide block away from the fixing block is fixedly connected to the inner wall of the fixing slot.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

1. The utility model can quickly disassemble the outer pipe of the natural gas pipe by setting the clamping mechanism, the disassembly process is relatively simple, the maintenance process is simplified, and the pipeline can be repaired in time when emergency maintenance is encountered, which improves the maintenance It brings great convenience to the maintenance work.

2. The utility model protects the inner pipe by setting the anti-corrosion layer, facilitates the installation of the inner pipe by setting the installation sleeve, and facilitates taking the fixing block by setting the handle. The block plays a role in limiting the position of the card slot.

Description of drawings

Fig. 1 is the structural sectional view of the front view of the utility model;

Fig. 2 is a partial enlarged view of A-A in Fig. 1 of the utility model.

In the picture: 1 inner tube, 2 outer tube, 21 upper outer tube, 22 lower outer tube, 3 clamping mechanism, 31 fixing block, 32 fixing slot, 33 clamping block, 34 clamping slot, 35 movable rod, 36 movable block, 37 springs, 38 limit blocks, 39 limit slots, 310 extrusion rods, 311 limit rods, 4 anti-corrosion layers, 5 installation sleeves, 6 handles, 7 guide blocks.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Fig. 1-2, a natural gas pipeline for easy maintenance includes an inner pipe 1, an outer pipe 2 and a clamping mechanism 3, the inner pipe 1 is arranged inside the outer pipe 2, the inner pipe 1 is arranged as a natural gas pipeline, and the outer pipe 2 Set as a protection tube, the outer tube 2 includes an upper outer tube 21 and a lower outer tube 22, and an anti-corrosion layer 4 is provided on the outer surface of the inner tube 1. The anti-corrosion layer 4 is provided to protect the inner tube 1. The inner tube 1 The top and bottom are provided with an installation sleeve 5, the side of the installation sleeve 5 away from the inner pipe 1 is fixedly connected with the inner wall of the outer pipe, and the installation sleeve 5 is provided to facilitate the installation of the inner pipe 1. It is fixedly connected with the lower outer tube 22 through the clamping mechanism 3 .

The clamping mechanism 3 includes a fixed block 31, a fixed groove 32, a clamping block 33, a clamping groove 34, a movable rod 35, a movable block 36, a spring 37, a limit block 38, a limit groove 39, an extrusion rod 310 and a limit rod 311, the fixing block 31 is arranged at the position where the upper outer tube 21 and the lower outer tube 22 are connected, the side of the fixing block 31 close to the inner tube 1 is fixedly connected with two clamping blocks 33, and the two fixing slots 32 are respectively opened on the upper outer tube 311. On the surfaces of the tube 21 and the lower outer tube 22, one end of the clamping block 33 close to the inner tube 1 respectively penetrates the fixing groove 32 and extends to the inside thereof, the clamping groove 34 is opened inside the clamping block 33, and the interior of the clamping groove 34 is provided with a guide block 7. The side of the guide block 7 away from the fixed block 31 is fixedly connected to the inner wall of the fixed slot 32. By setting the guide block 7, it can limit the position of the card slot 34. The two ends of the movable rod 35 are respectively connected to the inner wall of the card slot 34. The top and bottom are fixedly connected, the movable block 36 is movably connected to the surface of the movable rod 35, the spring 37 is sleeved on the surface of the movable rod 35, and the two ends of the spring 37 are respectively fixedly connected with the movable block 36 and the inner wall of the card slot 34. A handle 6 is installed on the side of the block 31 away from the inner tube 1. The handle 6 is provided to facilitate the taking of the fixing block 31. The limit slot 39 is opened on the inner wall of the fixing slot 32, and the limit block 38 is set at the limit The inside of the groove 39 is fixedly connected with the movable block 36 , the extrusion rod 310 is arranged on the top of the clamping block 33 , the bottom end of the extrusion rod 310 is fixedly connected with the movable block 36 , and the surface of the limit block 38 is respectively connected with the limit groove 39 It is movably connected with the clamping block 33, the surface of the extrusion rod 310 is movably connected with the clamping block 33, the limit rod 311 is arranged on the surface of the extrusion rod 310, and the surface of the limit rod 311 is respectively movable with the extrusion rod 310 and the outer tube 2 connect.

Working principle: take out the limit rod 311 from the extrusion rod 310 and the outer tube 2, press the extrusion rod 310 to drive the movable block 36 to move into the slot 34, the movable block 36 squeezes the spring 37, and the spring 37 is in the In the compressed state, the movable block 36 drives the limit block 38 to disengage from the limit slot 39, so that the limit block 38 enters the card slot 34, and the handle 6 pulls the fixed block 31 to move to the outside, and the fixed block 31 drives the locking block 33 to the outside. The upper outer tube 21 and the lower outer tube 22 can be disassembled by moving so that the locking block 33 is disengaged from the fixing groove 32 .

To sum up: the natural gas pipeline that is easy to maintain, the utility model can quickly disassemble the outer pipe of the natural gas pipeline by setting the clamping mechanism 3, the disassembly process is relatively simple, and the maintenance process is simplified. , the pipeline can be repaired in time, which improves the maintenance efficiency and brings great convenience to the maintenance work.

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 and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a natural gas line convenient to overhaul, includes inner tube (1), outer tube (2) and latch mechanism (3), its characterized in that: the inner tube (1) is arranged inside the outer tube (2), the outer tube (2) comprises an upper outer tube (21) and a lower outer tube (22), and the upper outer tube (21) and the lower outer tube (22) are fixedly connected through a clamping mechanism (3);

the clamping mechanism (3) comprises a fixing block (31), a fixing groove (32), clamping blocks (33), clamping grooves (34), a movable rod (35), a movable block (36), a spring (37), a limiting block (38), a limiting groove (39), an extrusion rod (310) and a limiting rod (311), wherein the fixing block (31) is arranged at the joint of an upper outer tube (21) and a lower outer tube (22), two clamping blocks (33) are fixedly connected to one side of the fixing block (31) close to the inner tube (1), the two fixing grooves (32) are respectively arranged on the surfaces of the upper outer tube (21) and the lower outer tube (22), one end of each clamping block (33) close to the inner tube (1) penetrates through the fixing groove (32) respectively and extends into the fixing groove (33), the clamping grooves (34) are arranged in the clamping blocks (33), and the two ends of the movable rod (35) are fixedly connected with the top and the bottom of the inner wall, the utility model discloses a novel extrusion device, including movable block (36), spring (37), extrusion pole (310), movable block (36), spacing groove (39), stopper (38), extrusion pole (311), movable block (310) and outer tube (2), movable block (36) swing joint is on the surface of movable rod (35), spring (37) cup joint the surface at movable rod (35), set up on the inner wall of fixed slot (32) spacing groove (39), stopper (38) set up in the inside of spacing groove (39) and with movable block (36) fixed connection, extrusion pole (310) set up the top at fixture block (33), the bottom and the movable block (36) fixed connection of extrusion pole (310), stopper pole (311) set up the surface at extrusion pole (310), the surface of stopper pole (311) respectively with extrusion pole (310) and outer tube (.

2. A natural gas pipeline for easy service as claimed in claim 1, wherein: the outer surface of inner tube (1) is provided with anticorrosive coating (4), the top and the bottom of inner tube (1) all are provided with installation cover (5), one side that inner tube (1) was kept away from in installation cover (5) and the inner wall fixed connection of outer tube.

3. A natural gas pipeline for easy service as claimed in claim 1, wherein: the both ends of spring (37) respectively with the inner wall fixed connection of movable block (36) and draw-in groove (34), handle (6) are installed to one side that inner tube (1) was kept away from in fixed block (31).

4. A natural gas pipeline for easy service as claimed in claim 1, wherein: the surface of the limiting block (38) is movably connected with the limiting groove (39) and the clamping block (33) respectively, and the surface of the extrusion rod (310) is movably connected with the clamping block (33).

5. A natural gas pipeline for easy service as claimed in claim 1, wherein: the inside of draw-in groove (34) is provided with guide block (7), one side that fixed block (31) were kept away from in guide block (7) and the inner wall fixed connection of fixed slot (32).

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