CN214798558U

CN214798558U - Gas insulation switch shell

Info

Publication number: CN214798558U
Application number: CN202121078667.5U
Authority: CN
Inventors: 戴立德; 戴文莉; 邓永权; 桂广
Original assignee: Zhuhai Tianou Electric Co ltd
Current assignee: Zhuhai Tianou Electric Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-11-19
Anticipated expiration: 2031-05-19

Abstract

The utility model relates to the technical field of high-voltage switch equipment, in particular to a gas insulation switch shell, which comprises an upper shell and a lower shell which are respectively arranged in an integrated manner, wherein the surface of the upper shell and/or the lower shell is provided with at least one mounting hole for mounting an insulation cover, and the upper shell and the lower shell are fixedly connected by welding or press fitting or bolts; the utility model discloses a body insulation switch casing adopts difference integrated into one piece's last casing and lower casing equipment, and simple structure effectively promotes subsequent packaging efficiency to it is fixed through welding or pressure equipment or bolted connection between casing and the lower casing to go up, and the leakproofness is good, and the good reliability avoids casing fracture or gas leakage scheduling problem.

Description

Gas insulation switch shell

Technical Field

The utility model relates to a high tension switchgear technical field, concretely relates to gas insulated switchgear casing.

Background

The inflatable switch adopts dry air or sulfur hexafluoride gas for insulation, is compact and flexible, and is suitable for distribution automation. The product has small size and can be suitable for different use places. However, most of the existing gas insulated switch shells adopt epoxy resin combined shells, so that the reliability is poor, and the gas insulated switch shells are easy to break and leak.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical scheme that its technical problem adopted does: a gas insulated switch shell comprises an upper shell and a lower shell which are respectively integrally formed, wherein the surface of the upper shell and/or the lower shell is provided with at least one mounting hole for mounting an insulating cover, and the upper shell and the lower shell are fixedly connected through welding or press fitting or bolts.

Further, the upper shell and/or the lower shell are made of stainless steel materials.

Further, the upper shell and/or the lower shell are semi-elliptical.

Furthermore, the mounting hole and the insulating cover are pressed and fixed, and a sealing ring is arranged between the insulating cover and the end face of the mounting hole.

Furthermore, an arc-shaped concave position for press-fitting the sealing ring is arranged on the upper shell and/or the lower shell and is close to the mounting hole.

Furthermore, an annular groove used for clamping the edge of the mounting hole is formed on the outer surface of the insulating cover.

Furthermore, the mounting hole is arranged on the upper end face and the lower end face of the upper shell/the lower shell, and one or more of a pressure relief opening, a load switch operation opening, a view window and a grounding switch operation opening are further arranged on the left end face/right end face of the upper shell/the lower shell.

The beneficial effects of the utility model are that: the utility model discloses a gas insulated switchgear casing adopts integrated into one piece's last casing and lower casing equipment respectively, and simple structure effectively promotes subsequent packaging efficiency to it is fixed through welding or pressure equipment or bolted connection between casing and the lower casing to go up, and the leakproofness is good, and the good reliability avoids casing fracture or gas leakage scheduling problem.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a gas insulated switchgear housing according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a gas insulated switchgear housing according to an embodiment of the present invention;

fig. 3 is an enlarged schematic view at a in fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 and 2, a gas insulated switchgear housing includes an upper housing 100 and a lower housing 101 integrally formed with each other, wherein the surface of the upper housing 100 and/or the lower housing 101 has at least one mounting hole 103 for mounting an insulation cover 102, and specifically, the two opposite surfaces of the upper housing 100 and the lower housing 101 are correspondingly provided with the mounting hole 103, and the upper housing 100 and the lower housing 101 are fixedly assembled by welding, press fitting or bolting, the gas insulated switchgear housing of the present invention is assembled by using the upper housing 100 and the lower housing 101 integrally formed, the number of parts of the gas insulated switchgear housing is reduced, the subsequent assembly efficiency is improved, and the upper housing 100 and the lower housing 101 can be fixed by welding, press fitting or bolting, in order to further improve the sealing performance between the upper housing 100 and the lower housing 101, a sealing ring may also be provided at the junction between the upper casing 100 and the lower casing 101; it should be noted that, in the present embodiment, the integrally formed upper casing 100 and lower casing 101 can be produced by stamping, and the upper casing 100 and/or the lower casing 101 are made of stainless steel.

In some embodiments, referring to fig. 1, the upper casing 100 and/or the lower casing 101 are semi-elliptical, and the upper casing 100 and the lower casing 101 are assembled to form an inner cavity and/or an outer surface of the inner cavity is elliptical.

In some embodiments, referring to fig. 2 and 3, the mounting hole 103 and the insulating cover 102 are press-fitted and fixed, and a sealing ring 105 is disposed between the insulating cover 102 and an end surface of the mounting hole 103, further, an arc-shaped recess 104 for press-fitting the sealing ring 105 is disposed on the upper casing 100 and the lower casing 101 at a position close to the mounting hole 103, the insulating cover 102 can be installed from inside to outside and press the sealing ring 105 at the arc-shaped recess 104, further, an annular groove 111 for clamping an edge of the mounting hole 103 is formed on an outer surface of the insulating cover 102, a groove bottom diameter of the annular groove 111 is larger than an inner diameter of the mounting hole 103, so that the edge of the mounting hole 103 can be clamped in the annular groove 111, and a step 106 for supporting the sealing ring 105 is further disposed at an end of the insulating cover 102 received in the inner cavity of the casing, after installation, the step 106 can press the sealing ring 105 against the arc-shaped recess 104.

In some embodiments, referring to fig. 1 and fig. 2, the mounting hole 103 is disposed on the upper end surface and the lower end surface of the upper casing 100/the lower casing 101, the left end surface and the right end surface of the upper casing 100/the lower casing 101 are further provided with one or more of a pressure relief port 107, a load switch operation port 108, a view window 109, and an earth switch operation port 110, specifically, the pressure relief port 107 is disposed on the left end or the right end of the gas insulated switch casing, and the load switch operation port 108, the view window 109, and the earth switch operation port 110 are correspondingly disposed on the right end or the left end of the gas insulated switch casing.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. The gas insulated switch shell is characterized by comprising an upper shell (100) and a lower shell (101) which are integrally formed, wherein the surface of the upper shell (100) and/or the surface of the lower shell (101) are/is provided with at least one mounting hole (103) for mounting an insulating cover (102), and the upper shell (100) and the lower shell (101) are fixedly connected through welding, press fitting or bolts.

2. A gas insulated switchgear casing according to claim 1, characterized in that the upper casing (100) and/or the lower casing (101) is made of stainless steel material.

3. A gas insulated switchgear casing according to claim 1, characterized in that the upper casing (100) and/or the lower casing (101) is semi-elliptical.

4. A gas-insulated switch housing according to claim 1, characterized in that the mounting hole (103) is press-fitted and fixed to the insulating cover (102), and a sealing ring (105) is provided between the insulating cover (102) and the end face of the mounting hole (103).

5. A gas insulated switchgear casing according to claim 4, characterized in that said upper casing (100) and/or said lower casing (101) are provided with an arc-shaped recess (104) for press-fitting said sealing ring (105) at a position close to said mounting hole (103).

6. A gas insulated switchgear casing according to claim 4 or 5, characterized in that the outer surface of the insulating cover (102) is formed with a circumferential groove (111) for snapping over the edge of the mounting hole (103).

7. The gas insulated switch casing according to claim 1, wherein the mounting hole (103) is provided in the upper and lower end surfaces of the upper casing (100)/the lower casing (101), and one or more of a pressure relief opening (107), a load switch operation opening (108), a view window (109), and an earth switch operation opening (110) are further provided in the left/right end surfaces of the upper casing (100)/the lower casing (101).