CN220066423U

CN220066423U - Leak-proof airtight structure of ring main unit

Info

Publication number: CN220066423U
Application number: CN202321380028.3U
Authority: CN
Inventors: 邱树标; 黄伟开; 刘晓; 陈林海; 谢建浩
Original assignee: Huizhou Boxin Electric Equipment Co ltd
Current assignee: Huizhou Boxin Electric Equipment Co ltd
Priority date: 2023-06-01
Filing date: 2023-06-01
Publication date: 2023-11-21
Anticipated expiration: 2033-06-01

Abstract

The utility model discloses a leakage-proof airtight structure of a ring main unit, which comprises an inner sleeve ring piece, a rotary sleeve ring piece and an airtight ring bag body, wherein the inner sleeve ring piece is inserted into a wire hole of a cabinet wall, the airtight ring bag body is arranged in the inner sleeve ring piece, the rotary sleeve ring piece is screwed onto the inner sleeve ring piece, a sleeve ring piece baffle ring is fixedly arranged at one end, far away from the inner sleeve ring piece, of the rotary sleeve ring piece, a sleeve ring piece compression ring is fixedly arranged at one end, close to the inner sleeve ring piece, of the rotary sleeve ring piece, a cabinet inner jacking compression ring pad is fixedly arranged at the side surface of the sleeve ring piece compression ring, a sleeve inner ring piece baffle ring is fixedly arranged at one end, far away from the rotary sleeve ring piece, of the inner sleeve ring piece baffle ring, and a cabinet outer jacking compression ring pad is fixedly arranged at one side surface, close to the cabinet wall, of the sleeve inner ring piece baffle ring. The beneficial effects are that: the gas ring bag filled by the pressure is added on the basis of the traditional gasket, so that the wire harness can pass through conveniently, the tightness of the ring main unit wire harness access structure is improved, and gas leakage is prevented.

Description

Leak-proof airtight structure of ring main unit

Technical Field

The utility model relates to the field of exploratory well devices, in particular to a leak-proof sealing structure of a ring main unit.

Background

The looped netowrk cabinet is one kind and can make up into the multiloop business turn over line at will, have switch, interconnection, protect electric power system function, with load switch as core component, because the inside high tension switch of looped netowrk cabinet and once return circuit are whole to be sealed inside stainless steel gas tank, the gas tank is inside to be inflated gas and is insulated, inside and external environment are isolated during normal operation, current looped netowrk cabinet pencil is sealed with rubber ring and liquid glue after through, prevent gas escape, but long-time use, the colloid is easy fracture, the gas tightness variation, secondly, the pencil can take place deformation, the gap between its and the pore also can be deformed after receiving external force effect, the gas tightness variation.

Disclosure of Invention

The utility model aims to solve the problems and provide a leak-proof sealing structure of a ring main unit.

The utility model realizes the above purpose through the following technical scheme:

the utility model provides a leak protection airtight structure of looped netowrk cabinet, includes cover inner ring spare, cover connect the ring spare soon and the airtight ring bag body, cover inner ring spare inserts and establishes in the line hole of cabinet wall, be equipped with in the cover inner ring spare airtight ring bag body, cover connect the ring spare soon to cover inner ring spare on, cover connect the ring spare soon and keep away from the one end fixed mounting who overlaps the inner ring spare to have the lantern ring spare and keep off the ring, cover connect the ring spare soon to go up the one end fixed mounting who is close to cover inner ring spare to have the lantern ring spare clamping ring, cover inner ring spare is gone up to keep away from cover one end fixed mounting who connects the ring spare soon keeps off the ring, cover inner ring spare keeps off to keep off to be close to on the ring cabinet wall a side attached mounting has the outer top clamping ring pad of cabinet, airtight ring bag body is by filling part, pressure receiving part, connection the filling part with the groove spacing portion of pressure receiving part constitutes, filling part the groove and the annular structure is all pressed.

Further, one end of the sleeve inner ring piece is fixedly provided with a bag pressing ring, and the bag pressing ring extends into the groove limiting part.

Further, the inner side surface of the collar piece baffle ring is fixedly provided with a jacking inner convex body.

Furthermore, annular hole pads are arranged on the inner annular surfaces of the sleeve inner annular part baffle ring and the sleeve annular part baffle ring.

Further, a torsion piece is fixedly arranged on the outer side face of the sleeve inner ring retaining ring.

The beneficial effects are that: according to the leakage-proof closed structure of the ring main unit, the filled gas ring bags are added on the basis of the traditional gasket, so that the wire harness can pass through conveniently, the air tightness of the ring main unit wire harness access structure is improved, and gas leakage is prevented.

Drawings

FIG. 1 is a schematic structural view of a leak-proof closed structure of a ring main unit according to the present utility model;

fig. 2 is a schematic diagram of an airtight ring capsule of the leak-proof airtight structure of the ring main unit according to the present utility model.

The reference numerals are explained as follows:

1. an inner ring member is sleeved; 2. sleeving and screwing the ring piece; 3. an airtight ring bladder; 4. a collar piece retainer ring; 5. the inner ring member is sleeved with a baffle ring; 6. pressing the inner convex body; 7. a wire harness; 8. an annular hole pad; 9. a capsule compression ring; 10. a pressing ring pad is propped up in the cabinet; 11. the outer part of the cabinet is propped against the compression ring pad; 12. a torsion member; 13. a cabinet wall; 14. a collar piece compression ring; 15. a filling part; 16. a groove limit part; 17. a pressure receiving portion.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

the leakage-proof airtight structure of the ring main unit as shown in fig. 1-2 is mainly applied to sealing of the wire harness inlet and outlet of the ring main unit, and consists of an inner sleeve ring piece 1, a screwed ring piece 2 and an airtight ring bag body 3;

the sleeve inner ring piece 1 is inserted into a wire hole of the cabinet wall 13 and is used for passing through the wire harness 7, an airtight ring bag body 3 is arranged in the sleeve inner ring piece 1, the airtight ring bag body 3 is arranged between the wire harness 7 and the sleeve inner ring piece 1, the sleeve screwing ring piece 2 is screwed onto the sleeve inner ring piece 1, a sleeve ring piece baffle ring 4 is fixedly arranged at one end, far away from the sleeve inner ring piece 1, of the sleeve screwing ring piece 2, a sleeve ring piece pressing ring 14 is fixedly arranged at one end, close to the sleeve inner ring piece 1, of the sleeve screwing ring piece 2, and a cabinet inner top pressing ring pad 10 is attached to the side surface of the sleeve ring piece pressing ring 14 and used for improving the air tightness of the cabinet inner top pressing ring pad;

one end, far away from the sleeve rotary joint ring 2, of the sleeve inner ring 1 is fixedly provided with a sleeve inner ring baffle ring 5, and one side, close to the cabinet wall 13, of the sleeve inner ring baffle ring 5 is provided with a cabinet outer jacking compression ring pad 11 in an attached mode;

the airtight ring capsule 3 is composed of a filling part 15, a pressure receiving part 17 and a groove limiting part 16 for connecting the filling part 15 and the pressure receiving part 17, wherein the filling part 15, the groove limiting part 16 and the pressure receiving part 17 are all of annular structures, gas in the filling part 15 is conducted, and after the pressure receiving part 17 is extruded, the filling part 15 is filled with gas rapidly, so that the filling part is blocked in a flat annular space between the sleeve inner ring piece 1 and the wire harness 7.

In this embodiment, the inner collar 1 has a balloon ring 9 fixedly mounted at one end, the balloon ring 9 extending into the slot stopper 16 for stopping the same.

In this embodiment, the inner side surface of the collar piece baffle ring 4 is fixedly provided with a pressing inner convex body 6, and the pressing inner convex body 6 is used for assisting in pressing the pressed part 17, so that the internal gas is discharged into the filling part 15.

In this embodiment, annular ring pads 8 are mounted on the inner annular surfaces of the collar member retainer ring 5 and the collar member retainer ring 4 for increasing the sealing with the wire harness 7.

In this embodiment, the outer side of the sleeve inner ring retainer 5 is fixedly provided with a torsion member 12 which is mainly used for rotating and screwing, so that the structure is abutted against the cabinet wall 13.

In the above-mentioned structure, the internal top pressure ring pad 10 of cabinet is traditional seal structure, and it realizes the leakproofness through the packing ring that presses to establish, and this structure adopts the form of ring bag pad at cover inner ring spare 1, fills the ring bag to inside each gap through the extrusion in, conveniently through pencil 7 and leakproofness good.

It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. Leak-proof airtight structure of looped netowrk cabinet, its characterized in that: including cover inner ring spare, cover connect the ring spare soon and the airtight ring bag body, cover inner ring spare inserts and establishes in the line downthehole of cabinet wall, be equipped with in the cover inner ring spare airtight ring bag body, cover connect the ring spare soon to cover on the inner ring spare, cover connects the ring spare soon and keep away from the one end fixed mounting who overlaps the inner ring spare has the lantern ring spare to keep off the ring, cover connects the ring spare soon and is close to the one end fixed mounting who overlaps the inner ring spare to have the lantern ring spare clamping ring, the side subsides of lantern ring spare clamping ring are installed in the cabinet and are pushed up the clamping ring pad, cover inner ring spare is kept away from on the cover inner ring spare one end fixed mounting who overlaps the ring spare soon keeps off the ring, cover inner ring spare keeps off being close to one side of cabinet wall is attached to install the outer top clamping ring pad of cabinet, airtight ring bag body comprises filling part, pressure receiving part, connection the filling part with the groove spacing portion of pressure receiving part, filling part all is annular structure.

2. The leakage-proof airtight structure of ring main unit according to claim 1, wherein: one end of the sleeve inner ring piece is fixedly provided with a bag pressing ring, and the bag pressing ring extends into the groove limiting part.

3. The leakage-proof airtight structure of ring main unit according to claim 1, wherein: the inner side surface of the sleeve ring piece baffle ring is fixedly provided with a jacking inner convex body.

4. The leakage-proof airtight structure of ring main unit according to claim 1, wherein: and annular hole pads are arranged on the inner annular surfaces of the sleeve inner annular member baffle ring and the sleeve annular member baffle ring.

5. The leakage-proof airtight structure of ring main unit according to claim 1, wherein: the outer side face of the sleeve inner ring member baffle ring is fixedly provided with a torsion member.