CN218770906U

CN218770906U - Sealing structure of gas insulation switch cabinet

Info

Publication number: CN218770906U
Application number: CN202221447666.8U
Authority: CN
Inventors: 王旭江; 王丹; 王琳; 王建; 王晓敏
Original assignee: Guangdong Eaze Electric Co ltd
Current assignee: Guangdong Eaze Electric Co ltd
Priority date: 2022-06-11
Filing date: 2022-06-11
Publication date: 2023-03-28
Anticipated expiration: 2032-06-11

Abstract

The utility model discloses a seal structure of gas insulated switchgear, including the closing plate, connect the corner post, sealed cushion, and be used for fixing sealed cushion at the mounting of connecting corner post department, it is equipped with first installation piece to connect the corner post, the second installation piece, be equipped with the seal groove between first installation piece and the second installation piece, sealed cushion sets up along the second installation piece of connecting the corner post, and insert and locate in the seal groove, the closing plate is equipped with the mainboard portion, subplate portion, the mainboard portion of closing plate is connected through the screw with the first installation piece of connecting the corner post, the subplate portion of closing plate inserts in the seal groove, the screw promotes subplate portion, sealed cushion in the subplate portion extrusion seal groove, and then seal to the gas in the gas insulated switchgear. The utility model discloses separate closing plate and the hookup location and the sealing position between the corner post, the gas in the gas insulated switchgear can't leak from the closing plate and the threaded connection hole department between the corner post, has realized completely sealed effectively.

Description

Sealing structure of gas insulation switch cabinet

Technical Field

The utility model relates to an electrical equipment correlation technique field, in particular to seal structure of gas insulated switchgear.

Background

The gas insulated switchgear is an electrical cabinet widely used in medium and high voltage power transmission and distribution networks for electric energy distribution and line protection. Since the inside of the gas insulated switchgear is filled with insulating gas under a certain pressure, the gas insulated switchgear needs to have a certain sealing performance. Most of sheet metal parts of the existing gas insulation switch cabinet body are directly connected by screws, and the connecting position and the sealing position are the same position, namely the screw connecting position. Although sealing rings are typically used to seal this area, there is still a very small amount of gas that can escape through the threaded holes. For this reason, we propose a sealing structure of a gas insulated switchgear.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough, provide a seal structure of gas insulated switchgear.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a seal structure of gas insulated switchgear, including closing plate, connection corner post, sealed cushion and be used for with sealed cushion fixes the mounting of connection corner post department, the connection corner post is equipped with first installation piece, second installation piece, first installation piece with be equipped with the seal groove between the second installation piece, sealed cushion follows the connection corner post the second installation piece sets up, and insert and locate in the seal groove, the closing plate is equipped with main board portion, subplate portion, the closing plate the main board portion with the connection corner post first installation piece passes through the screw and connects, the closing plate the vice board of closing plate inserts in the seal groove, the screw promotes vice board, vice board extrudees in the seal groove sealed cushion, and then seals the gas in the gas insulated switchgear.

Further elaborating, first screw hole has been seted up to the first installation piece of connecting the corner post, first through-hole has been seted up to the closing plate, the screw passes first through-hole with the first screw hole of first installation piece department is connected, the tip of screw promotes the subplate portion of closing plate to the sealed cushion in the seal groove extrudees.

Further, the fixing piece is fixedly arranged at the concave groove of the connecting corner post, elastic fins are arranged on two sides of the fixing piece, and the sealing rubber gasket is pressed on the second mounting piece of the connecting corner post by the elastic fins.

Further elaborating, the concave groove of the connecting corner post is provided with a second threaded hole, and the fixing piece is provided with a second through hole matched with the second threaded hole of the connecting corner post.

Further, the fixing member is made of epoxy resin.

The beneficial effects of the utility model reside in that: the utility model discloses separate closing plate and the hookup location and the sealing position between the corner post, the gas in the gas insulated switchgear can't leak from the closing plate and the threaded connection hole department between the corner post, has realized completely sealed effectively.

Drawings

Fig. 1 is the utility model discloses be applied to gas insulated switchgear's schematic structure diagram.

Fig. 2 is the structure schematic diagram of the utility model applied to the gas insulation switch cabinet.

Fig. 3 is a schematic structural view of the fixing member mounted on the connecting corner post.

Fig. 4 is a schematic view of a partial structure of the present invention.

Fig. 5 is a partial cross-sectional view of the present invention.

Reference numbers: 10. a sealing plate; 101. a first through hole; 11. a main plate portion; 12. a sub-plate portion; 20. connecting the corner posts; 201. a recessed groove; 202. a second threaded hole; 21. a first mounting piece; 22. a second mounting piece; 23. a sealing groove; 30. sealing the rubber gasket; 40. a fixing member; 401. a second through hole; 41. an elastic flap; 50. and (4) a screw.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 5, a sealing structure of a gas insulated switchgear includes a sealing plate 10, a connection corner post 20, a sealing rubber gasket 30, and a fixing member 40 for fixing the sealing rubber gasket 30 at the connection corner post 20, where the connection corner post 20 is provided with a first mounting plate 21 and a second mounting plate 22, as shown in fig. 3, the connection corner post 20 is specifically of a triangular structure, the left and right sides of the connection corner post are provided with the first mounting plate 21 and the second mounting plate 22, a sealing groove 23 is provided between the first mounting plate 21 and the second mounting plate 22, the sealing rubber gasket 30 is disposed along the second mounting plate 22 of the connection corner post 20 and inserted into the sealing groove 23, the sealing plate 10 is provided with a main plate portion 11 and an auxiliary plate portion 12, the main plate portion 11 of the sealing plate 10 is connected with the first mounting plate 21 of the connection corner post 20 by a screw 50, the auxiliary plate portion 12 of the sealing plate 10 is inserted into the sealing groove 23, the screw 50 pushes the auxiliary plate portion 12 to press the sealing rubber gasket 30 in the sealing groove 23, thereby sealing gas insulated switchgear. Since the sub-plate portion 12 of the sealing plate 10 is directly fixed to the main plate portion 11 of the sealing plate 10 by a welding process during the manufacture of the sealing plate 10, the gas in the gas insulated switchgear cannot pass through the sub-plate portion 12 of the sealing plate 10. The gas in the gas insulated switchgear is blocked by the sub-plate 12 of the sealing plate 10 and the sealing rubber gasket 30 at the sealing groove 23 of the connecting corner post 20, and cannot pass through the sealing groove 23 of the connecting corner post 20.

Referring to fig. 3 to 5, a first threaded hole is formed in the first mounting piece 21 of the connecting corner post 20, a first through hole 101 is formed in the sealing plate 10, the screw 50 passes through the first through hole 101 to be connected with the first threaded hole of the first mounting piece 21, and the end of the screw 50 pushes the auxiliary plate portion 12 of the sealing plate 10 to extrude the sealing rubber gasket 30 in the sealing groove 23. The connection position between the sealing plate 10 and the connection corner post 20 and the two completely different sealing positions are provided, the connection position between the sealing plate 10 and the connection corner post 20 is provided at the first through hole 101 of the sealing plate 10, the sealing position between the sealing plate 10 and the connection corner post 20 is provided at the sealing groove 23 of the connection corner post 20, gas in the gas-insulated switchgear cannot pass through the sealing groove 23 of the connection corner post 20, and further cannot leak through the first threaded hole of the connection corner post 20, so that complete sealing is realized.

Referring to fig. 3, the fixing member 40 is fixedly disposed at the recessed groove 201 of the connecting corner post 20, and two sides of the fixing member 40 are provided with elastic fins 41, and the sealing rubber gasket 30 is pressed on the second mounting piece 22 of the connecting corner post 20 by the elastic fins 41. The fixing member 40 is made of epoxy resin and has a certain elastic property. The recessed groove 201 of the connecting corner post 20 is opened with a second threaded hole 202, and the fixing member 40 is opened with a second through hole 401 matched with the second threaded hole 202 of the connecting corner post 20. The sealing rubber gasket 30 is specifically clamped between the fixing member 40 and the connecting corner post 20, the elastic fins 41 on both sides of the fixing member 40 press the sealing rubber gasket 30 against the second mounting plate 22 of the connecting corner post 20, and the rest of the structure of the sealing rubber gasket 30 which is not pressed against the second mounting plate 22 is inserted into the sealing groove 23 of the connecting corner post 20.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the present invention.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a seal structure of gas insulated switchgear which characterized in that: including closing plate (10), connection corner post (20), sealed cushion (30) and be used for with sealed cushion (30) are fixed mounting (40) of connection corner post (20) department, connection corner post (20) are equipped with first installation piece (21), second installation piece (22), first installation piece (21) with be equipped with seal groove (23) between second installation piece (22), sealed cushion (30) are followed connect corner post (20) second installation piece (22) set up, and insert and locate in seal groove (23), closing plate (10) are equipped with main board portion (11), subplate portion (12), closing plate (10) main board portion (11) with connect corner post (20) first installation piece (21) are connected through screw (50), closing plate (10) subplate portion (12) insert in seal groove (23), screw (50) promote subplate portion (12), subplate portion (12) extrusion in subplate portion (12) and then the gas seal switch in the sealed cushion (30) carry out the sealed switch.

2. A sealing structure of a gas insulated switchgear according to claim 1, characterized in that: first screw hole has been seted up in first installation piece (21) of connecting corner post (20), first through-hole (101) have been seted up in closing plate (10), screw (50) pass first through-hole (101) with first screw hole of first installation piece (21) department is connected, the tip of screw (50) promotes vice board (12) of closing plate (10) to sealed cushion (30) in seal groove (23) extrude.

3. A sealing structure of a gas insulated switchgear according to claim 1, characterized in that: the fixing piece (40) is fixedly arranged at the position of a concave groove (201) of the connecting corner post (20), elastic fins (41) are arranged on two sides of the fixing piece (40), and the sealing rubber gasket (30) is pressed on the second mounting piece (22) of the connecting corner post (20) through the elastic fins (41).

4. A sealing structure of a gas insulated switchgear according to claim 3, characterized in that: the concave groove (201) of the connecting corner post (20) is provided with a second threaded hole (202), and the fixing piece (40) is provided with a second through hole (401) matched with the second threaded hole (202) of the connecting corner post (20).

5. A sealing structure of a gas insulated switchgear according to claim 4, characterized in that: the fixing piece (40) is made of epoxy resin.