CN211450348U - Sealing structure of sulfur hexafluoride gas vacuumizing and inflating device - Google Patents

Sealing structure of sulfur hexafluoride gas vacuumizing and inflating device Download PDF

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Publication number
CN211450348U
CN211450348U CN201922464803.3U CN201922464803U CN211450348U CN 211450348 U CN211450348 U CN 211450348U CN 201922464803 U CN201922464803 U CN 201922464803U CN 211450348 U CN211450348 U CN 211450348U
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China
Prior art keywords
breather pipe
gas cylinder
ring flange
sulfur hexafluoride
gas
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CN201922464803.3U
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Chinese (zh)
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袁小强
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Changzhou Saige Electronic Instrument Co ltd
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Changzhou Saige Electronic Instrument Co ltd
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Abstract

The utility model relates to the field of sulfur hexafluoride gas equipment, in particular to a sealing structure of a sulfur hexafluoride gas vacuumizing and inflating device, which comprises a gas cylinder body, wherein the top of the gas cylinder body is welded with an annular protective wall, a gas cylinder opening is arranged inside the protective wall, the gas cylinder opening is integrally formed with the gas cylinder body, a breather pipe is arranged inside the gas cylinder opening, the breather pipe is made of stainless steel, the lower part of the breather pipe is wrapped and provided with a sealing structure, the right side of the upper part of the breather pipe is fixedly connected with a gas nozzle, the left side of the upper part of the breather pipe is fixedly connected with a supporting pipe, the top of the supporting pipe is fixedly connected with a pressure gauge, and the top of the breather pipe is fixedly connected with a valve, thereby avoiding the problems of air pollution and harm to the health of personnel caused by gas leakage.

Description

Sealing structure of sulfur hexafluoride gas vacuumizing and inflating device
Technical Field
The utility model relates to a sulfur hexafluoride gas equipment field specifically is a gaseous evacuation aerating device seal structure of sulfur hexafluoride.
Background
Sulfur hexafluoride is a colorless, odorless, nontoxic and noncombustible stable gas, sulfur hexafluoride gas cylinders are generally adopted in the current market to collect sulfur hexafluoride gas, the collection process generally comprises the steps of firstly exhausting the sulfur hexafluoride gas cylinders to enable the interior of the sulfur hexafluoride gas cylinders to be in a vacuum state, and then filling the sulfur hexafluoride gas into the sulfur hexafluoride gas cylinders, but the gas cylinder ports of the existing sulfur hexafluoride gas cylinders are generally in threaded connection with vent pipes, and long-time use of mutual extrusion of threads is easy to expand the intervals among the threads, so that the threads cannot achieve the sealing effect, the sulfur hexafluoride gas is leaked, the air is polluted, and the health of personnel is harmed.
Disclosure of Invention
The utility model aims at solving the problem that the above-mentioned background art provided, provide a gaseous evacuation aerating device seal structure of sulfur hexafluoride, can avoid making the sealed effect failure that the problem of interval expansion between the screw thread brought lead to the gaseous leakage of sulfur hexafluoride because of the screw thread extrudees each other
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sulfur hexafluoride gas evacuation aerating device seal structure, includes the gas cylinder body, the welding of gas cylinder body top has and is annular protecting wall, the inside gas cylinder mouth that is provided with of protecting wall, and gas cylinder mouth and gas cylinder body integrated into one piece, the inside breather pipe that is provided with of gas cylinder mouth, the breather pipe is stainless steel, the lower part parcel of breather pipe is provided with seal structure, the upper portion right side fixedly connected with air cock of breather pipe, the upper portion left side fixedly connected with stay tube of breather pipe, stay tube top fixedly connected with manometer, breather pipe top fixedly connected with valve.
Preferably, the sealing structure comprises a first flange welded to the outer wall of the vent pipe, a second flange is correspondingly arranged below the first flange, the second flange is welded to the outer wall of the air bottle opening, a sealing rubber pad is arranged between the first flange and the second flange, the vent pipe penetrates through the center of the sealing rubber pad and is fixed with the sealing rubber pad, the top of the sealing rubber pad is fixedly connected to the bottom of the first flange, through holes are uniformly formed in the sealing rubber pad, the forming positions of the through holes correspond to the forming positions of the holes in the first flange and the second flange, and bolts are arranged in the through holes.
Preferably, circular grooves are symmetrically formed in the left and right of the protection wall, handles are welded to the inner walls of the tops of the circular grooves, and four corners of each handle are rounded.
Preferably, the circular groove and the surface of the handle are both provided with rubber layers in an attaching mode.
Has the advantages that: the utility model discloses a set up seal structure at the top of gas cylinder mouth, reach even the screw thread extrudees the interval that makes between the screw thread each other and enlarges, make its sealed effect inefficacy, also can guarantee the gaseous effect that does not outwards leak of sulfur hexafluoride to avoided gaseous leakage to cause air pollution, harm personnel's healthy problem.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of the cross-sectional structure of the present invention.
Fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.
In the figure: 1-a gas cylinder body, 2-a gas cylinder opening, 3-a vent pipe, 4-a gas nozzle, 5-a support pipe, 6-a pressure gauge, 7-a valve, 8-a protective wall, 9-a first flange, 10-a second flange, 11-a sealing rubber gasket, 12-a through hole, 13-a bolt, 14-a circular groove and 15-a handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
As shown in figures 1-3; the embodiment provides a sulfur hexafluoride gas evacuation aerating device seal structure, including gas cylinder body 1, the welding of 1 top of gas cylinder body has and is annular protecting wall 8, the inside gas cylinder mouth 2 that is provided with of protecting wall 8, and gas cylinder mouth 2 and 1 integrated into one piece of gas cylinder body, 2 inside breather pipes 3 that are provided with of gas cylinder mouth, breather pipe 3 is stainless steel, the lower part parcel of breather pipe 3 is provided with seal structure, the upper portion right side fixedly connected with air cock 4 of breather pipe 3, the upper portion left side fixedly connected with stay tube 5 of breather pipe 3, 5 top fixedly connected with manometers 6 of stay tube, 3 top fixedly connected with valves 7 of breather pipe.
In this embodiment, the sealing structure includes a first flange 9 welded to the outer wall of the vent pipe 3, a second flange 10 is correspondingly disposed below the first flange 9, the second flange 10 is welded to the outer wall of the air bottle opening 2, a sealing rubber gasket 11 is disposed between the first flange 9 and the second flange 10, the vent pipe 3 penetrates through the center of the sealing rubber gasket 11 and is fixed to the sealing rubber gasket 11, the top of the sealing rubber gasket 11 is fixedly connected to the bottom of the first flange 9, through holes 12 are uniformly formed in the sealing rubber gasket 11, the through holes 12 are disposed at positions corresponding to the positions of the openings of the first flange 9, bolts 13 are disposed in the through holes 12, the vent pipe 3 is placed in the air bottle opening 2, then the openings of the first flange 9 and the second flange 10 are aligned, the bolts 13 penetrate through the openings to lock the first flange 9 and the second flange 10, and then the sealing rubber gasket 11 is disposed between the two flanges, the gap between the two locked flanges can be filled, so that the flanges are completely in a sealed state, and even if sulfur hexafluoride gas in the gap exists at the joint of the gas bottle opening and the vent pipe, the sulfur hexafluoride gas cannot leak outwards through the gap.
In this embodiment, the protection wall 8 is provided with the circular grooves 14 in bilateral symmetry, the handles 15 are welded to the inner walls of the tops of the circular grooves 14, four corners of each handle 15 are rounded, the gas cylinder body 1 can be moved conveniently, and the rounded corners are easier to bear force when being moved.
In this embodiment, the circular groove 14 and the handle 15 are both provided with rubber layers, so that the hand can be prevented from being cut when the gas cylinder body 1 is carried.
The working principle is as follows: the utility model discloses during the use, place breather pipe 3 in gas cylinder mouth 2, then align the trompil of first ring flange 9 and second ring flange 10, bolt 13 passes the trompil and locks first ring flange 9 and second ring flange 10, then through setting up sealing rubber pad 11 between two ring flanges, can fill the space between two ring flanges after the locking, make it become a sealed state completely, thereby even gas cylinder mouth 2 and 3 junctions of breather pipe have the space, sulfur hexafluoride gas also can't outwards leak through the gap, avoided gas leakage to cause air pollution, harm the problem of personnel's health.
The above is only the preferred embodiments of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the effect of the present invention and the utility of the patent.

Claims (4)

1. The utility model provides a sulfur hexafluoride gas evacuation aerating device seal structure, includes gas cylinder body (1), its characterized in that: the welding of gas cylinder body (1) top has and is annular protecting wall (8), the inside gas cylinder mouth (2) that is provided with of protecting wall (8), and gas cylinder mouth (2) and gas cylinder body (1) integrated into one piece, gas cylinder mouth (2) inside is provided with breather pipe (3), breather pipe (3) are stainless steel, the lower part parcel of breather pipe (3) is provided with seal structure, upper portion right side fixedly connected with air cock (4) of breather pipe (3), upper portion left side fixedly connected with stay tube (5) of breather pipe (3), stay tube (5) top fixedly connected with manometer (6), breather pipe (3) top fixedly connected with valve (7).
2. The sealing structure of the sulfur hexafluoride gas vacuumizing and inflating device according to claim 1, wherein: seal structure includes welded first ring flange (9) on breather pipe (3) outer wall, first ring flange (9) below correspondence is provided with second ring flange (10), second ring flange (10) weld on the outer wall of gas bottle mouth (2), be provided with sealing rubber pad (11) between first ring flange (9) and second ring flange (10), and breather pipe (3) run through in sealing rubber pad (11) center and fixed with it, sealing rubber pad (11) top fixed connection is in first ring flange (9) bottom, through-hole (12) have evenly been seted up on sealing rubber pad (11), the trompil position of seting up of through-hole (12) is corresponding with the trompil position on first ring flange (9) and second ring flange (10), be provided with bolt (13) in through-hole (12).
3. The sealing structure of the sulfur hexafluoride gas vacuumizing and inflating device according to claim 1, wherein: circular grooves (14) are symmetrically formed in the left and right of the protection wall (8), handles (15) are welded to the inner walls of the tops of the circular grooves (14), and four corners of each handle (15) are rounded.
4. The sealing structure of the sulfur hexafluoride gas vacuumizing and inflating device according to claim 3, wherein: the surfaces of the circular groove (14) and the handle (15) are both provided with rubber layers in an attaching mode.
CN201922464803.3U 2019-12-31 2019-12-31 Sealing structure of sulfur hexafluoride gas vacuumizing and inflating device Active CN211450348U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922464803.3U CN211450348U (en) 2019-12-31 2019-12-31 Sealing structure of sulfur hexafluoride gas vacuumizing and inflating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922464803.3U CN211450348U (en) 2019-12-31 2019-12-31 Sealing structure of sulfur hexafluoride gas vacuumizing and inflating device

Publications (1)

Publication Number Publication Date
CN211450348U true CN211450348U (en) 2020-09-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922464803.3U Active CN211450348U (en) 2019-12-31 2019-12-31 Sealing structure of sulfur hexafluoride gas vacuumizing and inflating device

Country Status (1)

Country Link
CN (1) CN211450348U (en)

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