Quick butt joint fixing device for gas pipelines

Abstract

The utility model discloses a gas pipeline quick butt joint fixing device, which belongs to the technical field of pipeline installation, and comprises a gas pipeline I. The surface of the gas pipeline I is connected with a protective component, and the surface of the gas pipeline I is provided with a connecting component. A movable ring can be attached to the surface of a second connecting flange under the elastic acting force of a spring on the surface of a fixing block, a protection pipe is positioned on the outer side of the butt joint of the pipelines, and the protection pipe can protect the butt joint so that the use safety of pipeline connection can be higher; by arranging the connecting assembly, the clamping block is inserted into the inserting hole and then enters the clamping groove, the second connecting flange is rotated to move on the surface of the first gas pipeline under the meshing connection between the second connecting flange and the threaded groove, and the second connecting flange can drive the first connecting flange to move through the clamping block at the tail end of the connecting rod. And the first gas pipeline and the second gas pipeline can draw close to each other to complete butt joint and fixation, operation is easy, and butt joint is convenient.

Description

Technical Field

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

[0002] At present, the general method of connecting gas pipelines is to make threads at the two pipe openings to be connected, connect them with butt joints, and apply sealant or wrap sealing tape on the threads for sealing; welding is also used under some working conditions.

[0003] Chinese patent application No. 202020366383.5 discloses a docking and fixing device for rapid installation of gas pipelines, which belongs to the field of pipeline installation technology. A docking and fixing device for rapid installation of gas pipelines comprises a left sleeve pipe and a right sleeve pipe which are sleeved on the butt ends of two gas pipelines, and a left connecting flange and a right connecting flange are fixedly connected on the opposite side walls of the left sleeve pipe and the right sleeve pipe, respectively. By sealing the two pipelines to be connected in the left sealing sleeve and the right sealing sleeve, the inner ends of the two gas pipelines are sealed against the left sleeve pipe and the right sleeve pipe, respectively, and then locked and clamped by the installation pipe clamps arranged up and down, so as to achieve tight fixation and efficient sealing of the butt ends of the two gas pipelines, and finally, the left sleeve pipe and the right connecting flange are butt-jointed and fixed to complete the docking and fixing of the two pipelines. The operation is simple, and the sealing embedded sleeve and the annular embedded cavity which are sleeved on each other are used to effectively enhance the speed and accuracy of docking.

[0004] In the above-mentioned public patent, the connection between the two gas pipelines is relatively weak after being connected and fixed, and it is impossible to implement effective protection. It is easy to leak under the influence of external interference factors. The safety of the device is low. The two gas pipelines are connected and fixed by locking multiple fixing bolts through the connecting flange, and the disassembly and assembly operations are relatively cumbersome. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a gas pipeline quick docking and fixing device, which has the characteristics of stable connection and easy assembly and disassembly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas pipeline quick docking and fixing device, comprising a gas pipeline 1, a protective component is connected to the surface of the gas pipeline 1, a connecting component is opened on the surface of the gas pipeline 1, a sealing embedded sleeve is embedded in the interior of the gas pipeline 1, a connecting flange 2 is arranged on the surface of the gas pipeline 1, the gas pipeline 2 is installed on the side of the gas pipeline 1, a sleeve pipe is embedded in the interior of the gas pipeline 2, and a connecting flange 1 is sleeved on the surface of the gas pipeline 2.

[0007] Preferably, the protective assembly includes a protective tube, a movable ring, a replacement assembly, a spring and a fixed block, wherein two fixed blocks are connected to the surface of the gas pipeline, the sides of the fixed blocks are connected to springs, the sides of the springs are connected to the movable ring, the sides of the movable ring are connected to the replacement assembly, and the surface of the replacement assembly is covered with a protective tube.

[0008] Preferably, the protection tube and the connecting flange 1 are in a sleeve-type structure, and the inner wall of the protection tube and the surface of the connecting flange 1 are tightly fitted.

[0009] Preferably, the replacement component includes a lock hole, a mounting ring and bolts, wherein the side of the movable ring is connected to the mounting ring, the interior of the mounting ring is provided with a lock hole, the interior of the protective tube is embedded with bolts, and the protective tube and the movable ring are in a split structure.

[0010] Preferably, the connecting assembly includes a threaded groove, a connecting rod, a clamping block, a socket, a clamping slot and a positioning sleeve, wherein a threaded groove is provided on the surface of the gas pipeline one, a connecting flange two is sleeved on the surface of the gas pipeline one, a connecting rod is connected to the side of the connecting flange two, a clamping block is connected to the side end of the connecting rod, a socket is provided inside the connecting flange one, a socket is connected to the side of the socket with a clamping slot, and a positioning sleeve is installed between the connecting flange one and the gas pipeline two.

[0011] Preferably, a plug-in structure is formed between the card block and the socket, a snap-in structure is formed between the card block and the slot, and a limited rotation structure is formed between the connecting flange 1 and the gas pipeline 2.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a protection component. Under the elastic force of the spring on the surface of the fixed block, the movable ring can be attached to the surface of the second connecting flange. The protection tube is positioned outside the pipe joint. The protection tube can protect the joint to make the pipe connection safer. The protection tube can be removed and replaced by unscrewing the bolt from the lock hole of the mounting ring, which is convenient for replacing the deformed and damaged protection tube to achieve better protection effect.

[0014] 2. The utility model sets a connection component, aligns the socket with the block and plugs the two together, then rotates the connection flange 1 to make the block enter the slot, rotates the connection flange 2 and moves on the surface of the gas pipeline 1 under the meshing connection between the connection flange 2 and the threaded groove, and the connection flange 2 can move with the connection flange 1 through the clamping connection between the block at the end of the connecting rod and the slot, and the gas pipeline 1 and the gas pipeline 2 will move close to each other to complete the quick docking and fixing, which is simple to operate and more convenient to dock and fix the pipelines. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 This is the front view of the replacement component of the utility model;

[0017] Figure 3 It is the front view of the connection component of the utility model.

[0018] In the figure: 1. gas pipeline 1; 2. protection component; 21. protection pipe; 22. moving ring; 23. replacement component; 231. lock hole; 232. mounting ring; 233. bolt; 24. spring; 25. fixing block; 3. sealing sleeve; 4. connecting flange 1; 5. gas pipeline 2; 6. sleeve pipe; 7. connecting component; 71. threaded groove; 72. connecting rod; 73. clamping block; 74. socket; 75. clamping groove; 76. positioning sleeve; 8. connecting flange 2. DETAILED DESCRIPTION

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

[0020] Example 1

[0021] See also Figure 1-3 The utility model provides the following technical solutions: a gas pipeline quick docking fixing device, including a gas pipeline 1, a protective component 2 is connected to the surface of the gas pipeline 1, a connecting component 7 is opened on the surface of the gas pipeline 1, a sealing embedded sleeve 3 is embedded in the interior of the gas pipeline 1, a connecting flange 2 8 is arranged on the surface of the gas pipeline 1, a gas pipeline 2 5 is installed on the side of the gas pipeline 1, a sleeve pipe 6 is embedded in the interior of the gas pipeline 25, and a connecting flange 4 is sleeved on the surface of the gas pipeline 25.

[0022] Specifically, the protection component 2 includes a protection tube 21, a movable ring 22, a replacement component 23, a spring 24 and a fixed block 25. Two fixed blocks 25 are connected to the surface of the gas pipeline 1. The sides of the fixed blocks 25 are connected to springs 24. The sides of the springs 24 are connected to the movable ring 22. The sides of the movable ring 22 are connected to the replacement component 23. The surface of the replacement component 23 is covered with a protection tube 21.

[0023] By adopting the above technical solution, the movable ring 22 can be attached to the surface of the connecting flange 28 under the elastic force of the spring 24 on the surface of the fixed block 25, and the protective tube 21 is positioned outside the pipeline joint. The protective tube 21 can protect the joint to make the pipeline connection safer.

[0024] Specifically, the protection tube 21 and the connecting flange 4 are in a sleeve-type structure, and the inner wall of the protection tube 21 and the surface of the connecting flange 4 are tightly fitted.

[0025] By adopting the above technical solution, the inner wall of the protection tube 21 and the surface of the connecting flange 4 are tightly fitted together, so that the protection tube 21 can better protect the pipeline connection.

[0026] Specifically, the replacement component 23 includes a locking hole 231, a mounting ring 232 and a bolt 233. The side of the movable ring 22 is connected to the mounting ring 232. The interior of the mounting ring 232 is provided with a locking hole 231. The interior of the protective tube 21 is embedded with a bolt 233. The protective tube 21 and the movable ring 22 are in a split structure.

[0027] By adopting the above technical solution, the bolt 233 is screwed out from the lock hole 231 of the mounting ring 232, and then the protection tube 21 can be removed for replacement, which is convenient for replacing the deformed and damaged protection tube 21 to achieve better protection effect.

[0028] When this embodiment is used, the gas pipeline 1 and the gas pipeline 2 are connected and fixed by connecting flange 1 4 and connecting flange 2 8 and locking the fixing bolts. Under the elastic force of the spring 24 on the surface of the fixing block 25, the movable ring 22 can be attached to the surface of the connecting flange 2 8. The protective tube 21 is positioned outside the pipeline joint. The protective tube 21 can protect the joint to make the pipeline connection safer. The bolt 233 is unscrewed from the lock hole 231 of the mounting ring 232, and then the protective tube 21 can be removed for replacement, which is convenient for replacing the deformed and damaged protective tube 21 to achieve better protection.

[0029] Example 2

[0030] The difference between this embodiment and embodiment 1 is that: the connecting component 7 includes a threaded groove 71, a connecting rod 72, a block 73, a socket 74, a slot 75 and a positioning sleeve 76, the surface of the gas pipeline 1 is provided with a threaded groove 71, the surface of the gas pipeline 1 is sleeved with a connecting flange 2 8, the side of the connecting flange 2 8 is connected to the connecting rod 72, the side end of the connecting rod 72 is connected to the block 73, the inside of the connecting flange 1 4 is provided with a socket 74, the side of the socket 74 is connected to the slot 75, and a positioning sleeve 76 is installed between the connecting flange 1 4 and the gas pipeline 2 5.

[0031] Specifically, the block 73 and the plug hole 74 are in a plug-in structure, the block 73 and the slot 75 are in a snap-on structure, and the connecting flange 1 4 and the gas pipeline 2 5 are in a limited rotation structure.

[0032] By adopting the above technical solution, the connecting flange 4 can be rotated on the surface of the gas pipeline 25 under the limiting action of the positioning sleeve 76, and the socket 74 is aligned with the block 73 and the two are plugged together, and then the connecting flange 4 is rotated to make the block 73 enter the slot 75, and then the connecting flange 28 is rotated. Under the meshing connection between the connecting flange 28 and the threaded groove 71, the connecting flange 28 moves on the surface of the gas pipeline 1, and the connecting flange 28 can move with the connecting flange 4 through the clamping connection between the block 73 at the end of the connecting rod 72 and the slot 75. The gas pipeline 1 and the gas pipeline 25 will be close to each other to complete the quick docking and fixing, and the operation is simple and the pipeline docking and fixing is more convenient.

[0033] When this embodiment is used, the connecting flange 4 can be rotated on the surface of the gas pipeline 25 under the limiting action of the positioning sleeve 76, and the insertion hole 74 is aligned with the block 73 and the two are plugged together, and then the connecting flange 4 is rotated to make the block 73 enter the slot 75, and then the connecting flange 28 is rotated. Under the meshing connection between the connecting flange 28 and the threaded groove 71, the connecting flange 28 moves on the surface of the gas pipeline 1, and the connecting flange 28 can move with the connecting flange 4 through the clamping connection between the block 73 at the end of the connecting rod 72 and the slot 75. The gas pipeline 1 and the gas pipeline 25 will be close to each other to complete the quick docking and fixing, and the operation is simple and the pipeline docking and fixing is more convenient.

[0034] The structure and use principle of the gas pipeline 1, the sealing embedded sleeve 3, the connecting flange 4, the gas pipeline 1, the sleeve pipe 6 and the connecting flange 28 in the utility model have been disclosed in Chinese patent application No. 202020366383.5, which discloses a docking and fixing device for quick installation of the gas pipeline. Its working principle is that the gas pipeline 1 and the gas pipeline 25 are docked and fixed by connecting flange 14 and connecting flange 28 and locking the fixing bolt, and the sealing embedded sleeve 3 is inserted into the interior of the sleeve pipe 6 to ensure high connection sealing.

[0035] Working principle and use process of the utility model: When the utility model is used, the connecting flange 4 can be rotated on the surface of the gas pipeline 25 under the limiting effect of the positioning sleeve 76, and the plug hole 74 is aligned with the block 73 and the two are plugged, and then the connecting flange 4 is rotated to make the block 73 enter the slot 75, and then the connecting flange 28 is rotated. Under the meshing connection between the connecting flange 28 and the threaded groove 71, the connecting flange 28 moves on the surface of the gas pipeline 1, and the connecting flange 28 can move with the connecting flange 4 through the clamping connection between the block 73 at the end of the connecting rod 72 and the slot 75. The gas pipeline 1 and the gas pipeline 2 will be close to each other to complete the quick docking and fixing. The operation is simple and the pipeline docking and fixing is more convenient. Under the elastic force of the spring 24 on the surface of the fixing block 25, the movable ring 22 can be attached to the surface of the connecting flange 28, and the protective tube 21 is positioned on the outside of the pipeline docking point. The protective tube 21 can protect the docking point to make the pipeline connection safer. The bolt 233 is unscrewed from the lock hole 231 of the mounting ring 232, and then the protective tube 21 can be removed for replacement, which is convenient for replacing the deformed and damaged protective tube 21 to achieve better protection effect.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas pipeline quick docking fixing device, comprising a gas pipeline, characterized in that: The surface of the gas pipeline one is connected with a protective component, the surface of the gas pipeline one is provided with a connecting component, the interior of the gas pipeline one is embedded with a sealing embedded sleeve, the surface of the gas pipeline one is provided with a connecting flange two, the side of the gas pipeline one is installed with a gas pipeline two, the interior of the gas pipeline two is embedded with a sleeve pipe, and the surface of the gas pipeline two is covered with a connecting flange one.

2. A gas pipeline quick docking and fixing device according to claim 1, characterized in that: The protection component includes a protection tube, a movable ring, a replacement component, a spring and a fixed block, wherein two fixed blocks are connected to the surface of the gas pipeline, the sides of the fixed blocks are connected to springs, the sides of the springs are connected to the movable ring, the sides of the movable ring are connected to the replacement component, and the surface of the replacement component is covered with a protection tube.

3. A gas pipeline quick docking and fixing device according to claim 2, characterized in that: The protection tube and the first connecting flange are in a sleeve-type structure, and the inner wall of the protection tube fits tightly with the surface of the first connecting flange.

4. A gas pipeline quick docking and fixing device according to claim 2, characterized in that: The replacement assembly includes a lock hole, a mounting ring and bolts, wherein the side of the movable ring is connected to the mounting ring, the interior of the mounting ring is provided with a lock hole, the interior of the protective tube is embedded with bolts, and the protective tube and the movable ring are in a split structure.

5. A gas pipeline quick docking and fixing device according to claim 1, characterized in that: The connecting assembly includes a threaded groove, a connecting rod, a clamping block, a socket, a clamping groove and a positioning sleeve, wherein a threaded groove is provided on the surface of the gas pipeline one, a connecting flange two is sleeved on the surface of the gas pipeline one, a connecting rod is connected to the side of the connecting flange two, a clamping block is connected to the side end of the connecting rod, a socket is provided inside the connecting flange one, a clamping groove is connected to the side of the socket, and a positioning sleeve is installed between the connecting flange one and the gas pipeline two.

6. A gas pipeline quick docking and fixing device according to claim 5, characterized in that: There is a plug-in structure between the card block and the socket, a snap-in structure between the card block and the slot, and a limited rotation structure between the connecting flange 1 and the gas pipeline 2.

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