Totally-enclosed all-insulation inflatable ring main unit

Abstract

The utility model discloses a totally-enclosed all-insulation inflatable ring main unit, which relates to the technical field of inflatable ring main units and comprises a cabinet body, a sealing door is hinged to the front surface of the cabinet body, a plurality of through holes for wire harnesses to pass through are formed in the top of the cabinet body, a connecting plate is fixedly connected to one side of the top of the cabinet body, and a fixing plate is fixedly mounted on the edge of the outer side of the cabinet body. An air bag is arranged on the fixing plate, a support is fixedly connected to the opposite side away from the fixing plate, the support is higher than the fixing plate, the inner side of the support is attached to the end of the air bag, and the air bag covers the surfaces of the through holes after being inflated. According to the utility model, the air bag and the limiting bracket opposite to the air bag are arranged on the side wall of the cabinet body, and the stretching position of the air bag is limited by using the telescopic rod connected with the tail part of the air bag, so that the air bag can transversely move and wrap the through hole in the surface of the cabinet body, thereby improving the overall sealing performance and avoiding gas leakage in the later period.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inflatable ring main unit, especially to a full-closed full-insulation inflatable ring main unit. BACKGROUND

[0002] The role of the ring main unit is to connect the ring network line, improve the power supply reliability of the ring network line closing operation or ring network line load cutting and other lines. The use of the ring main unit in the ring network is different, and the classification is also slightly different, mainly including the incoming line ring main unit, the ring main unit and the connecting ring main unit.

[0003] The existing ring main unit on the market still has the following disadvantages in actual use: in order to ensure the airtightness of the cabinet body, a large number of sealing strips will be used to seal the holes, but with the increase of service life and the aging of the sealing strip, the phenomenon of gas leakage in the later period will be caused, and a lot of manpower and material resources are consumed in the early installation of the sealing strip, therefore, we propose a full-closed full-insulation inflatable ring main unit. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the defects in the prior art and provides a full-closed full-insulation inflatable ring main unit.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A full-closed full-insulation inflatable ring main unit, comprising a cabinet body, a sealing door is hingedly connected to the front of the cabinet body, a plurality of through holes for wire harness are formed in the top of the cabinet body, a connecting plate is fixedly connected to one side of the top of the cabinet body, a fixed plate is fixedly installed on the outer edge of the cabinet body, an air bag is arranged on the fixed plate, a support is fixedly connected to the opposite side away from the fixed plate, the height of the support is higher than that of the fixed plate, the inner side of the support and the end of the air bag are mutually attached, and the air bag covers the surfaces of the plurality of through holes after inflation.

[0007] As a preferred technical scheme of the utility model, a gas pump is fixedly installed at the top end of the connecting plate, the output end of the gas pump is fixedly connected with a gas pipe, one end of the gas pipe penetrates through the fixed plate and is connected with one end of the air bag, and the other end of the air bag is provided with a gas leakage valve.

[0008] As a preferred technical scheme of the utility model, a plurality of connecting ears are fixedly installed on the fixed plate, the end of each of the plurality of connecting ears is fixedly connected with an extension rod, and the end of each of the plurality of extension rods is fixedly connected with the plate body at the top end of the air bag.

[0009] As a preferred technical scheme of the utility model, the end part of the air bag is fixedly connected with a butt joint plate, a magnetic attraction sheet is fixedly connected on the surface of the butt joint plate, and the magnetic attraction sheet is inserted into the inner side of the support along with the bulge of the air bag.

[0010] As a preferred technical scheme of the utility model, the inner side of the support is fixedly connected with a magnetic attraction plate, and the magnetic attraction plate is magnetically connected with the magnetic attraction sheet of the end part of the air bag.

[0011] As a preferred technical scheme of the utility model, a sealing strip is fixedly installed on the inner side of the sealing door, and the inner side of the sealing strip is mutually attached to the edge of the cabinet body.

[0012] As a preferred technical scheme of the utility model, a plurality of observation windows are fixedly installed on the front surface of the sealing door, and sealing rubber strips are arranged on the inner sides of the observation windows.

[0013] Compared with the prior art, the utility model has the beneficial effects that the air bag and the limiting support opposite to the air bag are arranged on the side wall of the cabinet body, the extension position of the air bag is limited by the telescopic rod connected with the tail part of the air bag, the air bag can move horizontally and cover the through hole on the surface of the cabinet body, the sealing property of the whole is improved, and gas leakage in the later period is avoided.

[0014] Meanwhile, the air bag is controlled by the air pump, the phenomenon of using a large number of sealing strips is reduced, the degree of automation is improved, and the labor intensity of workers is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model, constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation of the utility model.

[0016] Fig. 1 The utility model provides a whole structure schematic diagram of a full-closed full-insulation inflatable ring network cabinet;

[0017] Fig. 2 The utility model provides an air bag part structure schematic diagram of a full-closed full-insulation inflatable ring network cabinet;

[0018] Fig. 3 The utility model provides a support structure split drawing of a full-closed full-insulation inflatable ring network cabinet.

[0019] In the drawing: 1, cabinet body; 2, sealing door; 3, connecting plate; 4, air pump; 5, fixed plate; 6, air pipe; 7, through hole; 8, air bag; 9, butt joint plate; 10, magnetic attraction plate; 11, support; 12, connecting lug; 13, telescopic rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described in connection with the drawings in the embodiments of the utility model.

[0021] With reference to Figs. 1-3 A fully-enclosed and fully-insulated inflatable ring network cabinet, comprising a cabinet body 1, a sealing door 2 is hingedly connected to the front of the cabinet body 1, a plurality of through holes 7 for wire harnesses to pass through are formed in the top of the cabinet body 1, a connecting plate 3 is fixedly connected to one side of the top of the cabinet body 1, a fixed plate 5 is fixedly installed on the outer edge of the cabinet body 1, an air bag 8 is arranged on the fixed plate 5, a support 11 is fixedly connected to the opposite side away from the fixed plate 5, the height of the support 11 is higher than the height of the fixed plate 5, the inner side of the support 11 and the end of the air bag 8 are mutually attached, and the air bag 8 covers the surfaces of the plurality of through holes 7 after being inflated.

[0022] A gas pump 4 is fixedly installed at the top end of the connecting plate 3, the output end of the gas pump 4 is fixedly connected to a gas pipe 6, one end of the gas pipe 6 penetrates through the fixed plate 5 and is connected to one end of the air bag 8, and the other end of the air bag 8 is provided with a gas release valve.

[0023] A plurality of connecting ears 12 are fixedly installed on the fixed plate 5, the ends of the plurality of connecting ears 12 are fixedly connected to telescopic rods 13, and the ends of the plurality of telescopic rods 13 are fixedly connected to the plate body at the top end of the air bag 8, the telescopic rods 13 serve as limiting components for the air bag 8 to move, so that the movement range of the air bag 8 is horizontal movement after being inflated.

[0024] The end of the air bag 8 is fixedly connected to a butt plate 9, a magnetic suction piece is fixedly connected to the surface of the butt plate 9, and the magnetic suction piece extends into the inner side of the support 11 along with the bulging of the air bag 8.

[0025] A magnetic suction plate 10 is fixedly connected to the inner side of the support 11, the surface of the magnetic suction plate 10 is fixedly connected to the magnetic suction piece at the end of the air bag 8, and the magnetic suction plate 10 is connected to the magnetic suction piece at the end of the air bag 8 along with the inflation and bulging of the air bag 8, and the magnetic suction plate 10 moves along with the magnetic suction piece at the end of the air bag 8 due to the limitation of the telescopic rods 13, so that the air bag 8 bulges horizontally and constantly drives the magnetic suction piece at the end of the air bag 8 to move.

[0026] Subsequently, the position of the support 11 is higher than the position of the air bag 8, and the support 11 is in the shape of an inverted "L" as shown in the drawing, so that the air bag 8 can be embedded in the middle of the support 11 and connected and fixed to the magnetic suction plate 10, so that the through holes 7 on the side wall of the cabinet body 1 are completely covered, the outflow of gas in the cabinet body 1 through the through holes 7 in the later stage is avoided, and the sealing performance and the fully-enclosed performance of the overall cabinet body 1 are improved.

[0027] A sealing strip is fixedly installed on the inner side of the sealing door 2, the inner side of the sealing strip and the edge of the cabinet body 1 are mutually attached, the sealing strip on the inner side of the sealing door 2 is tightly attached to the front of the cabinet body 1 when the sealing door 2 and the front of the cabinet body 1 are mutually pressed and locked, and the sealing effect of the whole is thus ensured.

[0028] The front surface of the sealing door 2 is fixedly provided with a plurality of observation windows, the inner side of the plurality of observation windows is provided with a sealing rubber strip, and the structure inside the cabinet body 1 and the connectivity of the cable in the inside thereof in the later stage can be directly observed through the observation windows, direct observation after the sealing door 2 is opened is avoided, and the viewing efficiency is improved.

[0029] In use, the air pump 4 is started, the air pump 4 injects a certain gas into the inside of the air bag 8 through the air pipe 6, so that the air bag 8 is bulged, since the air bag 8 and the fixed plate 5 are provided with the connecting lug 12 and the telescopic rod 13, the telescopic rod 13 enables the air bag 8 to have a certain limiting effect, so that the air bag 8 moves in the radial direction after being bulged, with continuous inflation, the end portion of the air bag 8 is embedded in the middle portion of the support 11, and meanwhile the butt joint plate 9 at the end portion of the air bag 8 can be connected and fixed with the magnetic attraction plate 10 in the middle portion of the support 11, so as to cover the through hole 7 on the cabinet body 1, guarantee the overall closed form and improve the sealing performance.

Claims

1. A fully enclosed and fully insulated inflatable ring main unit, characterized in that: The cabinet (1) comprises a cabinet body (1), wherein the front of the cabinet body (1) is hingedly connected to a sealed door (2), the top of the cabinet body (1) is provided with a plurality of through holes (7) for the wiring harness to pass through, a connecting plate (3) is fixedly connected to one side of the top of the cabinet body (1), a fixing plate (5) is fixedly installed on the outer edge of the cabinet body (1), an air bag (8) is provided on the fixing plate (5), and a bracket (11) is fixedly connected to the opposite side away from the fixing plate (5), the height of the bracket (11) is higher than the height of the fixing plate (5), the inner side of the bracket (11) and the end of the air bag (8) are in contact with each other, and the air bag (8) covers the surface of the plurality of through holes (7) after being inflated.

2. A fully enclosed and fully insulated inflatable ring main unit according to claim 1, characterized in that: An air pump (4) is fixedly mounted on the top of the connecting plate (3), and an output end of the air pump (4) is fixedly connected to an air pipe (6). One end of the air pipe (6) passes through the fixed plate (5) and is connected to one end of the air bag (8). The other end of the air bag (8) is provided with a preset air release valve.

3. The fully enclosed and fully insulated inflatable ring main unit according to claim 1, characterized in that: A plurality of connecting ears (12) are fixedly mounted on the fixing plate (5), the ends of the plurality of connecting ears (12) are fixedly connected to telescopic rods (13), and the ends of the plurality of telescopic rods (13) are fixed to the plate body at the top end of the airbag (8).

4. The fully enclosed and fully insulated inflatable ring main unit according to claim 1, characterized in that: The end of the airbag (8) is fixedly connected to a docking plate (9), and a magnetic sheet is fixedly connected to the surface of the docking plate (9). The magnetic sheet extends into the inner side of the bracket (11) as the airbag (8) bulges.

5. The fully enclosed and fully insulated inflatable ring main unit according to claim 4, characterized in that: A magnetic plate (10) is fixedly connected to the inner side of the bracket (11), and the surface of the magnetic plate (10) is magnetically connected to the magnetic sheet at the end of the airbag (8).

6. The fully enclosed and fully insulated inflatable ring main unit according to claim 1, characterized in that: A circle of sealing strip is fixedly mounted on the inner side of the sealing door (2), and the inner side of the sealing strip is in contact with the edge of the cabinet (1).

7. The fully enclosed and fully insulated inflatable ring main unit according to claim 1, characterized in that: A plurality of groups of observation windows are fixedly mounted on the front of the sealing door (2), and sealing strips are arranged on the inner sides of the plurality of groups of observation windows.

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