Buried earth valve for urban gas

Abstract

The utility model discloses a buried earth valve for urban gas in the technical field of valves, which comprises a gas inlet pipeline, a plurality of first connecting holes are fixedly formed in the surface of a first connecting block, an upper mounting sleeve is mounted above the gas inlet pipeline in a sleeving manner, upper sealing gaskets are fixedly mounted at two ends of the inner wall of the upper mounting sleeve, and lower sealing gaskets are fixedly mounted at two ends of the inner wall of the upper mounting sleeve. First fastening bolts are connected to the surfaces of the two sides of the upper mounting sleeve in a threaded and penetrating mode, a mounting hole is fixedly formed in the surface of the top of the upper mounting sleeve, second connecting blocks are fixedly connected to the ends of the two sides in the mounting hole, and a plurality of second connecting holes are fixedly formed in the surfaces of the second connecting blocks; through the arrangement of the device, the outer side of the valve assembly buried underground can be integrally protected in a sealed mode, the problem that the valve assembly is affected with damp underground, so that a valve is aged and rusted is solved, and therefore the service life of the valve assembly is prolonged; and the valve assembly on the inner side can be conveniently and regularly overhauled and maintained.

Description

Technical Field

[0001] The utility model belongs to the technical field of valves, and in particular relates to a buried globe valve for city gas. Background Art

[0002] The direct buried fully welded ball valve for gas is composed of carbonized Teflon sealing ring and coffee spring, so it has strong adaptability to changes in pressure and temperature, and will not produce any leakage within the marked pressure and temperature range. The ball processing process is tracked and detected by advanced computer detectors, so the ball processing accuracy is high. Since the valve body material is the same as the pipeline material, there will be no uneven stress, nor will it be deformed due to earthquakes and vehicles passing through the ground, and the pipeline is resistant to aging. The sealing ring body is made of PTFE with a content of 20% C (carbon), which ensures that there is no leakage (0%). The direct buried fully welded gas ball valve can be buried directly underground. There is no need to build a large valve well. Only a small shallow well needs to be set up on the ground, which greatly saves construction costs and engineering time.

[0003] The existing buried valves are susceptible to moisture when installed underground and lack certain protective mechanisms, which accelerates the aging and rusting of the valves to a certain extent and requires regular inspection and maintenance. For this reason, we propose a buried globe valve for urban gas. Utility Model Content

[0004] The utility model aims to provide a buried globe valve for city gas, so as to solve the problem in the above-mentioned background technology that the existing buried valves installed underground accelerate the aging and rusting of the valves and require regular inspection and maintenance.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A buried earth valve for city gas, comprising an air intake pipe, a valve assembly is arranged above the air intake pipe, a lower mounting sleeve is arranged on the bottom surface of the air intake pipe, lower sealing gaskets are arranged at both ends of the lower mounting sleeve, a first connecting block is arranged on both sides of the lower mounting sleeve, a first connecting hole is arranged on the surface of the first connecting block, an upper mounting sleeve is arranged above the air intake pipe, upper sealing gaskets are arranged at both ends of the upper mounting sleeve, first fastening bolts are arranged on both sides of the upper mounting sleeve, a mounting hole is arranged on the top surface of the upper mounting sleeve, second connecting blocks are arranged on both sides of the inner side of the mounting hole, a second connecting hole is arranged on the surface of the second connecting block, a protection box is arranged on the inner side of the mounting hole, arc-shaped clamping holes are arranged on both sides of the bottom of the protection box, a second sealing gasket is arranged on the inner wall of the arc-shaped clamping hole, second fastening bolts are arranged on both sides of the bottom end of the protection box, an inspection port is arranged on the top of the protection box, a sealing cover is arranged on one side of the inspection port, an elastic clamping strip is arranged on one side of the sealing cover, and a clamping groove is arranged on the outer side of the inspection port.

[0006] Preferably, a valve assembly is installed and connected above the air intake pipe, a lower mounting sleeve is sleeved and installed on the bottom surface of the air intake pipe, lower sealing gaskets are fixedly installed on both ends of the inner wall of the lower mounting sleeve, and first connecting blocks are fixedly connected on both sides of the lower mounting sleeve.

[0007] Preferably, a plurality of first connecting holes are fixedly opened on the surface of the first connecting block, an upper mounting sleeve is installed on the upper sleeve of the air intake pipe, upper sealing gaskets are fixedly installed on both ends of the inner wall of the upper mounting sleeve, and first fastening bolts are threadedly penetrated and connected on both side surfaces of the upper mounting sleeve.

[0008] Preferably, a mounting hole is fixedly formed on the top surface of the upper mounting sleeve, and second connecting blocks are fixedly connected to both side ends inside the mounting hole, and a plurality of second connecting holes are fixedly formed on the surface of the second connecting block.

[0009] Preferably, arc-shaped holes are fixedly opened on both sides of the bottom of the protection box, a second sealing gasket is fixedly installed on the inner wall of the arc-shaped hole, second fastening bolts are threadedly penetrated and connected on both sides of the bottom end of the protection box, and an inspection port is fixedly opened on the top of the protection box.

[0010] Preferably, a sealing cover is rotatably connected to one side of the inspection port, an elastic clip is embedded and installed on one side surface of the sealing cover, a clip slot is fixedly opened on the outer surface of the inspection port, and the elastic clip strip and the clip slot are elastically connected.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] Through the lower mounting sleeve, upper mounting sleeve, mounting hole, protection box, inspection port and sealing cover, the outer side of the buried valve assembly can be sealed and protected as a whole to prevent the valve assembly from getting damp underground and causing aging and rusting of the valve, thereby extending its service life. By opening and closing the sealing cover on the upper end of the protection box, regular inspection and maintenance of the valve assembly inside can be carried out conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the overall explosion structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the structure of the inspection port of the protection box of the utility model.

[0016] In the figure: 1. air intake pipe; 2. valve assembly; 3. lower mounting sleeve; 4. lower sealing gasket; 5. first connecting block; 6. first connecting hole; 7. upper mounting sleeve; 8. upper sealing gasket; 9. first fastening bolt; 10. mounting hole; 11. second connecting block; 12. second connecting hole; 13. protective box; 14. arc-shaped clamping hole; 15. second sealing gasket; 16. second fastening bolt; 17. inspection port; 18. sealing cover; 19. clamping groove; 20. elastic clamping strip. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-3 The utility model provides a technical solution: a buried earth valve for city gas, comprising an air intake pipe 1, a valve assembly 2 is arranged above the air intake pipe 1, a lower mounting sleeve 3 is arranged on the bottom surface of the air intake pipe 1, lower sealing gaskets 4 are arranged at both ends of the lower mounting sleeve 3, first connecting blocks 5 are arranged on both sides of the lower mounting sleeve 3, a first connecting hole 6 is arranged on the surface of the first connecting block 5, an upper mounting sleeve 7 is arranged above the air intake pipe 1, upper sealing gaskets 8 are arranged at both ends of the upper mounting sleeve 7, first fastening bolts 9 are arranged on both sides of the upper mounting sleeve 7, and a first connecting hole 6 is arranged on the top surface of the upper mounting sleeve 7. There is a mounting hole 10, and second connecting blocks 11 are provided on both sides of the interior of the mounting hole 10, and a second connecting hole 12 is provided on the surface of the second connecting block 11. A protective box 13 is provided on the inner side of the mounting hole 10, and arc-shaped clamping holes 14 are provided on both sides of the bottom of the protective box 13. A second sealing gasket 15 is provided on the inner wall of the arc-shaped clamping hole 14, and second fastening bolts 16 are provided on both sides of the bottom end of the protective box 13. An inspection port 17 is provided on the top of the protective box 13, and a sealing cover 18 is provided on one side of the inspection port 17. An elastic clamping strip 20 is provided on one side of the sealing cover 18, and a clamping groove 19 is provided on the outer side of the inspection port 17.

[0019] Specifically, a valve assembly 2 is installed and connected on the upper part of the air intake pipe 1, a lower installation sleeve 3 is sleeved and installed on the bottom surface of the air intake pipe 1, lower sealing gaskets 4 are fixedly installed on both ends of the inner wall of the lower installation sleeve 3, first connecting blocks 5 are fixedly connected on both sides of the lower installation sleeve 3, and a plurality of first connecting holes 6 are fixedly opened on the surface of the first connecting block 5, an upper installation sleeve 7 is sleeved and installed on the upper part of the air intake pipe 1, upper sealing gaskets 8 are fixedly installed on both ends of the inner wall of the upper installation sleeve 7, first fastening bolts 9 are threadedly penetrated and connected on both sides of the surface of the upper installation sleeve 7, and a mounting hole 10 is fixedly opened on the top surface of the upper installation sleeve 7, and both sides of the inner end of the mounting hole 10 are fixedly opened. A second connecting block 11 is fixedly connected, and a plurality of second connecting holes 12 are fixedly opened on the surface of the second connecting block 11. Arc-shaped clamping holes 14 are fixedly opened on both sides of the bottom of the protection box 13, and a second sealing gasket 15 is fixedly installed on the inner wall of the arc-shaped clamping hole 14. Second fastening bolts 16 are threadedly penetrated and connected with the two sides of the bottom end of the protection box 13. An inspection port 17 is fixedly opened on the top of the protection box 13, and a sealing cover 18 is rotatably connected to one side of the inspection port 17. An elastic clamping strip 20 is embedded and installed on one side surface of the sealing cover 18, and a clamping groove 19 is fixedly opened on the outer surface of the inspection port 17, and the elastic clamping strip 20 and the clamping groove 19 are elastically clamped.

[0020] In this embodiment, after the air intake pipe 1, valve assembly 2 and the like are connected and installed and buried underground, the lower mounting sleeve 3 and the upper mounting sleeve 7 are respectively sleeved on the surface of the air intake pipe 1, and then the first fastening bolts 9 on both sides of the upper mounting sleeve 7 are rotated downward to allow the first fastening bolts 9 to enter the interior of the first connecting hole 6, thereby completing the connection between the lower mounting sleeve 3 and the upper mounting sleeve 7. The upper sealing gasket 8 and the lower sealing gasket 4 are provided to improve the sealing between the inner walls of the lower mounting sleeve 3 and the upper mounting sleeve 7 at both ends. Then, the protective box 13 is vertically inserted into the interior of the mounting hole 10, so that the inner wall of the arc-shaped card hole 14 at the bottom end of the protective box 13 is in contact with the surface of the air intake pipe 1. By rotating the second fastening bolts 16 in the opposite direction, the protective box 13 is tightened. The valve assembly 2 is sealed on the inner side of the protective box 13 to prevent the surface of the valve assembly 2 from getting damp, aging and corrosion, which would affect its later use. The elastic clip 20 and the card groove 19 are provided to facilitate the closing and fixing of the sealing cover 18. When the valve assembly 2 needs to be repaired, the sealing cover 18 is pulled up with force, and then the valve assembly 2 can be repaired from the inspection port 17.

[0021] 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 buried globe valve for city gas, comprising an air inlet pipeline (1), characterized in that: A valve assembly (2) is provided above the air intake pipe (1), a lower mounting sleeve (3) is provided on the bottom surface of the air intake pipe (1), lower sealing gaskets (4) are provided at both ends of the interior of the lower mounting sleeve (3), first connecting blocks (5) are provided on both sides of the lower mounting sleeve (3), a first connecting hole (6) is provided on the surface of the first connecting block (5), an upper mounting sleeve (7) is provided above the air intake pipe (1), upper sealing gaskets (8) are provided at both ends of the interior of the upper mounting sleeve (7), first fastening bolts (9) are provided on both sides of the upper mounting sleeve (7), a mounting hole (10) is provided on the top surface of the upper mounting sleeve (7), and both sides of the interior of the mounting hole (10) are provided with a first screw thread. A second connecting block (11) is provided, and a second connecting hole (12) is provided on the surface of the second connecting block (11); a protective box (13) is provided on the inner side of the mounting hole (10); arc-shaped clamping holes (14) are provided on both sides of the bottom of the protective box (13); a second sealing gasket (15) is provided on the inner wall of the arc-shaped clamping hole (14); second fastening bolts (16) are provided on both sides of the bottom end of the protective box (13); an inspection port (17) is provided on the top of the protective box (13); a sealing cover (18) is provided on one side of the inspection port (17); an elastic clamping strip (20) is provided on one side of the sealing cover (18); and a clamping groove (19) is provided on the outer side of the inspection port (17).

2. A buried globe valve for city gas according to claim 1, characterized in that: A valve assembly (2) is installed and connected above the air intake pipe (1), a lower installation sleeve (3) is sleeved and installed on the bottom surface of the air intake pipe (1), lower sealing gaskets (4) are fixedly installed at both ends of the inner wall of the lower installation sleeve (3), and first connecting blocks (5) are fixedly connected to both sides of the lower installation sleeve (3).

3. A buried globe valve for city gas according to claim 1, characterized in that: A plurality of first connection holes (6) are fixedly provided on the surface of the first connection block (5); an upper mounting sleeve (7) is sleeved and installed above the air intake pipe (1); upper sealing gaskets (8) are fixedly installed at both ends of the inner wall of the upper mounting sleeve (7); and first fastening bolts (9) are threadedly penetrated and connected to the two side surfaces of the upper mounting sleeve (7).

4. The buried globe valve for city gas according to claim 1, characterized in that: A mounting hole (10) is fixedly provided on the top surface of the upper mounting sleeve (7), and second connecting blocks (11) are fixedly connected to both side ends of the interior of the mounting hole (10), and a plurality of second connecting holes (12) are fixedly provided on the surface of the second connecting block (11).

5. The buried globe valve for city gas according to claim 1, characterized in that: The bottom of the protection box (13) is fixedly provided with arc-shaped holes (14), the inner wall of the arc-shaped holes (14) is fixedly installed with a second sealing gasket (15), the bottom of the protection box (13) is threadedly connected with second fastening bolts (16), and the top of the protection box (13) is fixedly provided with an inspection port (17).

6. The buried globe valve for city gas according to claim 1, characterized in that: A sealing cover (18) is rotatably connected to one side of the inspection port (17); an elastic clamping strip (20) is embedded and installed on one side surface of the sealing cover (18); a clamping groove (19) is fixedly provided on the outer surface of the inspection port (17); and the elastic clamping strip (20) and the clamping groove (19) are elastically clamped and connected.

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