Gas pipeline butt joint device capable of preventing gas leakage

Abstract

The utility model discloses an anti-leakage gas pipeline butt joint device which comprises a first connecting pipe, a first hose is adhered to the interior of the first connecting pipe, and a first sealing sleeve is adhered to the interior of the first hose; a second hose is adhered to the interior of the second connecting pipe, and a second sealing sleeve is adhered to the interior of the second hose; the corrugated pipe is mounted between the first connecting pipe and the second connecting pipe through a first screw rod and a first nut; the first supporting rods are connected to the front side and the rear side of the corrugated pipe correspondingly, and positioning discs are fixedly installed at the ends of the first supporting rods; the second supporting rods are connected to the front side and the rear side of the corrugated pipe correspondingly, and rotating shafts are fixedly installed on the side faces of the second supporting rods. And the connecting block is fixedly connected with the rotating shaft, and a fixing block is fixedly installed on the side face of the connecting block. The angle of the second connecting pipe can be adjusted, so that pipelines with different angles can be butted, and the adaptability is wide.

Description

Technical Field

[0001] This utility model relates to the field of docking devices, specifically to a gas pipeline docking device that prevents gas leakage. Background Technology

[0002] When connecting gas pipelines, a docking device is required to connect the two pipeline sections. For example, a gas pipeline connection sealing device (Chinese Patent Application No.: 201820819997.7) is disclosed in the prior art, including a pipe fitting and a sealing element. The pipe fitting includes a sealing section and two connecting sections, located at opposite ends of the pipe fitting, with the sealing section located between the two connecting sections. The inner walls of the two connecting sections are respectively provided with threads corresponding to the threads near the ends of the two gas pipelines to be connected. The pipe fitting can be installed on the outer walls of the ends of the two gas pipelines to be connected via the threads on the inner walls of the two connecting sections, allowing the ends of the two gas pipelines to be connected to intersect. The sealing element is tubular and installed on the inner wall of the sealing section. The outer wall of the sealing element fits against the inner wall of the sealing section, and the inner wall of the sealing element fits against the outer walls of the ends of the two gas pipelines to be connected. This device has the following advantages: it can abut the ends of two gas pipelines together, and the sealing element can seal the connection between the ends of the two gas pipelines, improving the technical problem of inconvenience in use.

[0003] However, the patented technology product still has the following defects in actual use: the connection sealing device can only connect two pipe sections in the same horizontal direction, and cannot connect pipes at different angles, resulting in poor adaptability. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the existing technology, it is desirable to provide a gas pipeline docking device that is leak-proof and can dock pipelines at different angles, with wide adaptability.

[0005] According to the technical solution provided in this utility model embodiment, a gas pipeline connection device for preventing gas leakage includes:

[0006] A first connecting pipe, with a first flexible tube bonded inside the first connecting pipe, and a first sealing sleeve bonded inside the first flexible tube;

[0007] The second connecting pipe has a second flexible tube bonded inside, and a second sealing sleeve bonded inside the second flexible tube; clamps are installed on the outer sides of both the first flexible tube and the second flexible tube.

[0008] A corrugated pipe is installed between a first connecting pipe and a second connecting pipe by a first screw and a first nut; a first flange is fixedly installed at one end of the first connecting pipe and the second connecting pipe near the corrugated pipe, and a second flange is fixedly installed at the end of the corrugated pipe; a sealing ring is gasketed between the second flange and the first flange, and a first opening corresponding to the first screw is provided on the side of the sealing ring.

[0009] The first support rod is connected to the front and rear sides of the bellows, and a positioning plate is fixedly installed at the end of the first support rod; the first support rod is fixedly connected to the front and rear sides of the second flange on the left side.

[0010] The second support rod is connected to the front and rear sides of the bellows, and a rotating shaft is fixedly installed on the side of the second support rod; the side of the positioning plate is provided with positioning grooves at intervals, and the positioning grooves are distributed in a circular array; the rotating shaft is rotatably connected to the positioning plate; and the second support rod is fixedly connected to the front and rear sides of the second flange on the right side.

[0011] A connecting block is fixedly connected to the rotating shaft, and a fixing block is fixedly installed on the side of the connecting block; the connecting block is located on the side of the positioning plate.

[0012] A limiting component is provided, which is installed on the side of the fixing block by a first screw. The limiting component includes a mounting block, a fixing ear, and a plug rod. The fixing ear is fixedly connected to the mounting block, and the plug rod is fixedly installed inside the fixing ear. The side of the fixing block is provided with a first through hole corresponding to the first screw. The side of the mounting block is provided with a first threaded groove that matches the first screw. The side of the connecting block is provided with a third through hole corresponding to the plug rod. The end of the plug rod passes through the third through hole and is inserted into the positioning groove.

[0013] An installation ring is installed on the outside of the gas pipeline via a second screw and a second nut; a first sealing sleeve is located between the first hose and the gas pipeline on the left side, and a second sealing sleeve is located between the second hose and the gas pipeline on the right side; a first anti-slip pad is adhered to the side of the installation ring and is located between the installation ring and the gas pipeline; a second opening corresponding to the second screw is provided on the side of the first anti-slip pad; and a support plate is fixedly connected to the first connecting pipe, the second connecting pipe, and the installation ring respectively.

[0014] A crossbar passes through the support plate, and the end of a second screw passes through the support plate and is screwed to the side of the crossbar; the side of the support plate is provided with a second through hole corresponding to the second screw, the side of the crossbar is provided with a second threaded groove that fits with the second screw, and the side of the support plate is provided with an opening that matches the crossbar;

[0015] A clamping member is installed on the side of the crossbar via a threaded sleeve. The clamping member includes a stud and an abutment ring. The side of the crossbar has a third opening corresponding to the stud. The threaded sleeve is screwed onto the outside of the stud. The threaded sleeve is located above and below the crossbar. The abutment ring is fixedly installed at the end of the stud. A second anti-slip pad is adhered to the side of the abutment ring. The second anti-slip pad and the first anti-slip pad abut against the outside of the gas pipeline. Both the second anti-slip pad and the first anti-slip pad have anti-slip textures.

[0016] In summary, the beneficial effects of this utility model are as follows:

[0017] 1. By setting up a corrugated pipe, a first support rod, a positioning plate, a second support rod, a rotating shaft, a connecting block, a fixing block, and a limiting component, the angle of the second connecting pipe can be adjusted, thus enabling the connection of pipes at different angles, with wide adaptability;

[0018] 2. By installing rings, support plates, crossbars, and clamping parts, the installed gas pipeline is less likely to detach from this product during use, thereby improving the stability of the connection between this product and the gas pipeline. Attached Figure Description

[0019] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a side view of the connection between the first connecting pipe, the first flexible hose, and the first sealing sleeve of this utility model.

[0022] Figure 3 This is a side view of the clamping component of this utility model.

[0023] Figure 4 This is a schematic diagram of the connection between the first support rod and the positioning plate of this utility model;

[0024] Figure 5 This is a structural schematic diagram of the rotating shaft, connecting block, fixing block, limiting member, and the connection point of the second support rod of this utility model;

[0025] Figure 6 This is a side view of the mounting ring of this utility model.

[0026] The following are the labels in the diagram: 1. First connecting pipe; 2. First flexible hose; 3. First sealing sleeve; 4. Second connecting pipe; 5. Second flexible hose; 6. Second sealing sleeve; 7. Corrugated pipe; 8. Rotating shaft; 9. Connecting block; 10. Fixing block; 11. Limiting component; 12. Mounting block; 13. Fixing ear; 14. Insert rod; 15. Mounting ring; 16. Support plate; 17. Crossbar; 18. Clamping component; 19. Stud; 20. Clamping ring; 21. First support rod; 22. Positioning plate; 23. Second support rod; 24. Gas pipeline. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings.

[0028] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0029] Please refer to Figure 1-6 A leak-proof gas pipeline connection device includes a first connecting pipe 1, with a first flexible hose 2 bonded inside the first connecting pipe 1 and a first sealing sleeve 3 bonded inside the first flexible hose 2; a second connecting pipe 4, with a second flexible hose 5 bonded inside the second connecting pipe 4 and a second sealing sleeve 6 bonded inside the second flexible hose 5; a corrugated pipe 7, which is installed between the first connecting pipe 1 and the second connecting pipe 4 via a first screw and a first nut; a first support rod 21, which is connected to the front and rear sides of the corrugated pipe 7 respectively, and a positioning plate 22 is fixedly installed at the end of the first support rod 21; a second support rod 23, which is connected to the front and rear sides of the corrugated pipe 7 respectively, and a rotating shaft 8 is fixedly installed on the side of the second support rod 23; and a connecting block 9. The connecting block 9 is fixedly connected to the rotating shaft 8, and a fixing block 10 is fixedly installed on the side of the connecting block 9; a limiting member 11 is installed on the side of the fixing block 10 by a first screw, and the limiting member 11 includes a mounting block 12, a fixing ear 13, and a plug rod 14; a mounting ring 15 is installed on the outside of the gas pipeline 24 by a second screw and a second nut; a support plate 16 is fixedly connected to the first connecting pipe 1, the second connecting pipe 4, and the mounting ring 15 respectively; a crossbar 17 passes through the support plate 16, and the end of the second screw passes through the support plate 16 and is screwed to the side of the crossbar 17; a clamping member 18 is installed on the side of the crossbar 17 by a screw sleeve, and the clamping member 18 includes a stud 19 and a clamping ring 20.

[0030] like Figure 1 and Figure 2 As shown, a first flange is fixedly installed at one end of the first connecting pipe 1 and the second connecting pipe 4 near the bellows 7, and a second flange is fixedly installed at the end of the bellows 7. A sealing ring is gasketed between the second flange and the first flange. The side of the sealing ring has a first opening corresponding to the first screw, which facilitates the installation of the first screw. The first sealing sleeve 3 is located between the first hose 2 and the left gas pipeline 24, and the second sealing sleeve 6 is located between the second hose 5 and the right gas pipeline 24, which can prevent air leakage. The side of the support plate 16 has a second through hole corresponding to the second screw, and the side of the crossbar 17 has a second threaded groove that fits with the second screw, which facilitates the installation of the second screw.

[0031] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, clamps are installed on the outer sides of both the first hose 2 and the second hose 5. Positioning grooves are provided at intervals on the side of the positioning plate 22, and the positioning grooves are distributed in a circular array. The rotating shaft 8 is rotatably connected to the positioning plate 22. The first support rod 21 is fixedly connected to the front and rear sides of the second flange on the left, and the second support rod 23 is fixedly connected to the front and rear sides of the second flange on the right. The connecting block 9 is located on the side of the positioning plate 22.

[0032] like Figure 1 , Figure 3-6 As shown, the fixing ear 13 is fixedly connected to the mounting block 12, and the insertion rod 14 is fixedly installed inside the fixing ear 13. The side of the fixing block 10 is provided with a first through hole corresponding to the first screw, and the side of the mounting block 12 is provided with a first screw groove that fits with the first screw, which facilitates the installation of the first screw. The side of the connecting block 9 is provided with a third through hole corresponding to the insertion rod 14, which facilitates the insertion rod 14 to pass through. The end of the insertion rod 14 passes through the third through hole and is inserted into the positioning groove. The side of the support plate 16 has an opening that matches the crossbar 17, facilitating the passage of the crossbar 17. The side of the mounting ring 15 is bonded with a first anti-slip pad, which is located between the mounting ring 15 and the gas pipeline 24. The side of the first anti-slip pad has a second opening corresponding to the second screw, facilitating the installation of the second screw. The side of the crossbar 17 has a third opening corresponding to the stud 19. The screw sleeve is screwed onto the outside of the stud 19, and the screw sleeve is located above and below the crossbar 17. The abutment ring 20 is fixedly installed at the end of the stud 19. The side of the abutment ring 20 is bonded with a second anti-slip pad, which abuts against the outside of the gas pipeline 24. Both the second and first anti-slip pads have anti-slip textures.

[0033] In use: First, insert the end of one gas pipe 24 into the inside of the first sealing sleeve 3, and install a clamp on the outside of the first hose 2. Then, unscrew the first screw, remove the limiting member 11, and adjust the angle of the second connecting pipe 4 by rotating the second support rod 23 and the bellows 7 according to the angle of the other gas pipe 24. After that, insert the end of the insertion rod 14 of the limiting member 11 into the positioning groove at the appropriate position, and install the first screw. Then, insert the end of the other gas pipe 24 into the inside of the second sealing sleeve 6, and install a clamp on the outside of the second hose 5. The process involves the bellows 7, the first support rod 21, the positioning plate 22, the second support rod 23, the rotating shaft 8, the connecting block 9, the fixing block 10, and the limiting member 11. The design allows for adjustment of the angle of the second connecting pipe 4, enabling connection of pipes at different angles with wide adaptability. Then, an installation ring 15 is installed on the outside of the gas pipeline 24, with the first anti-slip pad abutting against the outside of the gas pipeline 24. A crossbar 17 passes through the support plate 16, and the end of the second screw passes through the support plate 16 and is screwed onto the side of the crossbar 17. Subsequently, the stud 19 of the clamping member 18 passes through the third opening, with the screw sleeve screwed onto the outside of the stud 19. The second anti-slip pad of the abutment ring 20 abuts against the outside of the gas pipeline 24, ensuring that the installed gas pipeline is less likely to detach from the product during use, thus improving the stability of the connection between the product and the gas pipeline.

[0034] The above description is merely a preferred embodiment of this utility model and an explanation of the technical principles and solutions employed. Furthermore, the scope of this invention is not limited to the specific combinations of the above-described technical features, but also includes other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in this utility model.

Claims

1. A gas line docking device that prevents gas leaks, characterized by: Include: The first connecting pipe (1), the inside of the first connecting pipe (1) is bonded with the first hose (2), the inside of the first hose (2) is bonded with the first sealing sleeve (3); The second connecting pipe (4), the inside of the second connecting pipe (4) is bonded with the second hose (5), the inside of the second hose (5) is bonded with the second sealing sleeve (6); The bellows (7) is installed between the first connecting pipe (1) and the second connecting pipe (4) by the first screw rod and the first nut; The first support rod (21) is connected on the front and back sides of the bellows (7) respectively, and the end of the first support rod (21) is fixedly installed with a positioning disc (22); The second support rod (23) is connected on the front and back sides of the bellows (7) respectively, and the side of the second support rod (23) is fixedly installed with a rotating shaft (8); The connecting block (9) is fixedly connected with the rotating shaft (8), and the side of the connecting block (9) is fixedly installed with a fixed block (10); The limiting piece (11) is installed on the side of the fixed block (10) by the first screw, and the limiting piece (11) comprises an installation block (12), a fixed lug (13) and a plug rod (14); The mounting ring (15) is installed on the outside of the gas pipeline (24) by the second screw rod and the second nut; The support plate (16) is fixedly connected with the first connecting pipe (1), the second connecting pipe (4) and the mounting ring (15) respectively; The cross rod (17) penetrates through the support plate (16), and the end of the second screw is screwed on the side of the cross rod (17) through the support plate (16); The abutting piece (18) is installed on the side of the cross rod (17) by a screw sleeve, and the abutting piece (18) comprises a screw column (19) and an abutting ring (20).

2. The leakproof gas line docking device of claim 1, wherein: The first flange plate is fixedly installed on one end of the first connecting pipe (1) and the second connecting pipe (4) close to the bellows (7), the second flange plate is fixedly installed on the end of the bellows (7), the sealing ring is arranged between the second flange plate and the first flange plate, and the side of the sealing ring is provided with the first opening hole corresponding to the first screw rod.

3. The leakproof gas line docking device of claim 1, wherein: The first sealing sleeve (3) is located between the first hose (2) and the left gas pipeline (24), the second sealing sleeve (6) is located between the second hose (5) and the right gas pipeline (24), the side of the support plate (16) is provided with the second perforation corresponding to the second screw, and the side of the cross rod (17) is provided with the second screw groove matched with the second screw.

4. The leakproof gas line docking device of claim 1, wherein: The outside of the first hose (2) and the second hose (5) is installed with a clamp, the side of the positioning disc (22) is provided with a positioning groove at intervals, the positioning grooves are arranged in an annular array, and the rotating shaft (8) is rotatably connected with the positioning disc (22).

5. The leakproof gas line docking device of claim 2, wherein: The first supporting rod (21) is fixedly connected to the front and rear sides of the second flange plate on the left side, the second supporting rod (23) is fixedly connected to the front and rear sides of the second flange plate on the right side, and the connecting block (9) is located on the side of the positioning disc (22).

6. The leakproof gas line docking device of claim 4, wherein: The fixing lug (13) is fixedly connected with the mounting block (12), the insertion rod (14) is fixedly installed in the inside of the fixing lug (13), the side of the fixing block (10) is provided with a first perforation corresponding to the first screw, the side of the mounting block (12) is provided with a first screw groove matched with the first screw, the side of the connecting block (9) is provided with a third perforation corresponding to the insertion rod (14), and the end of the insertion rod (14) is inserted into the positioning groove through the third perforation.

7. The leakproof gas line docking device of claim 1, wherein: The side of the supporting plate (16) is provided with an opening matched with the horizontal rod (17), the side of the mounting ring (15) is bonded with a first anti-skid pad, the first anti-skid pad is located between the mounting ring (15) and the gas pipeline (24), the side of the first anti-skid pad is provided with a second opening hole corresponding to the second screw rod, the side of the horizontal rod (17) is provided with a third opening hole corresponding to the screw post (19), the screw sleeve is screwed on the outside of the screw post (19), the screw sleeve is located above and below the horizontal rod (17) respectively, the abutting ring (20) is fixedly installed at the end of the screw post (19), the side of the abutting ring (20) is bonded with a second anti-skid pad, the second anti-skid pad and the first anti-skid pad abut on the outside of the gas pipeline (24), and the second anti-skid pad and the first anti-skid pad are both provided with anti-skid lines.

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