CN212626532U

CN212626532U - Panel for ring main unit

Info

Publication number: CN212626532U
Application number: CN202020964123.8U
Authority: CN
Inventors: 杨仑; 刘仲成; 刘志豪
Original assignee: Ningbo Aux High Tech Co Ltd
Current assignee: Ningbo Aokes Intelligent Technology Co ltd
Priority date: 2020-05-30
Filing date: 2020-05-30
Publication date: 2021-02-26
Anticipated expiration: 2030-05-30

Abstract

The utility model relates to a panel for a ring main unit, which comprises a panel body, a first operating hole and a second operating hole, wherein the first operating hole is arranged on the panel body; the mounting seat is arranged on the front surface of the panel body and is adjacent to the first operation hole, and is provided with a connecting plate extending forwards; the cover plate is used for covering or opening the first operation hole, one end of the cover plate is rotatably arranged on the panel body, the other end of the cover plate is provided with an extension part which extends forwards, and the extension part is connected to the connecting plate when the cover plate is in a state of closing the first operation hole; the method is characterized in that: the extending part is provided with a convex part extending towards the direction far away from the cover plate, and the rear part of the connecting plate is provided with a limiting notch for limiting the convex part therein and limiting the convex part to move forwards. Convex part and spacing breach's existence prevents that the apron from moving forward and producing the clearance between the panel body relatively, and then prevents that external instrument from stretching into first handle downthehole, has increased anti-jamming ability, has improved the protection level.

Description

Panel for ring main unit

Technical Field

The utility model belongs to high-voltage electrical equipment field, concretely relates to a panel for looped netowrk cabinet.

Background

The high-voltage power distribution cabinet is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system to play roles of on-off, control or protection and the like, and mainly comprises a high-voltage circuit breaker, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic reclosing and sectioning device, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like. The high-voltage switch manufacturing industry is an important component of the power transmission and transformation equipment manufacturing industry and plays a very important role in the whole power industry.

The ring main unit is an important ring in high-voltage electrical equipment, is arranged in a metal or nonmetal insulating cabinet body or is made into electrical equipment of an assembled interval ring main power supply unit, adopts a load switch and a fuse at the core part, and has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.

The existing ring main unit is generally provided with an operation panel, and an operation mechanism and a high-voltage circuit breaker are operated through an operation hole of the operation panel, for example, a Chinese utility model patent 'a ring main unit with high operation protection level' with the patent number of CN201721317289.5 (with the number of granted as CN207250983U), discloses a ring main unit with high operation protection level, which comprises an operation panel, wherein the operation panel is provided with an energy storage operation hole, an opening and closing operation hole, a positioning groove, a first cover plate and a second cover plate, the energy storage operation rod is opposite to the energy storage operation hole, and the opening and closing operation rod is opposite to the opening and closing operation hole; the first end of the first cover plate is hinged to the operation panel, the second end of the first cover plate is in lock fit with the operation panel, the first cover plate covers the energy storage operation hole, the first cover plate is further provided with a limiting bulge which protrudes outwards, a limiting groove is formed in the limiting bulge, the limiting groove is only provided with an opening facing the positioning groove, and the limiting lug penetrates through the positioning groove and is located in the limiting groove; the first end of the second cover plate is hinged above the opening and closing operation hole, the second end of the second cover plate is arranged below the opening and closing operation hole in a locking and buckling mode, the second cover plate covers the opening and closing operation hole, when the second cover plate rotates relative to the operation panel in the patent, a gap is easily formed between the second cover plate and the operation panel, so that the second cover plate moves forwards relative to the operation panel, an external tool is easily operated to correspond to the external tool through the gap, the possibility of interference is increased, and the protection grade is relatively low.

Therefore, further improvements to the existing operation panel are required.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem to the current situation of above-mentioned prior art, provide a convenient operation and improve the panel that is used for looped netowrk cabinet of protection level.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a panel for looped netowrk cabinet, including

The panel body is provided with a first operating hole;

the mounting seat is arranged on the front surface of the panel body and is adjacent to the first operation hole, and is provided with a connecting plate extending forwards;

the cover plate is used for covering or opening the first operation hole, one end of the cover plate is rotatably arranged on the panel body, the other end of the cover plate is provided with an extension part extending forwards, and the extension part is connected to the connecting plate when the cover plate is in a state of closing the first operation hole;

the method is characterized in that: the extending part is provided with a convex part extending towards the direction far away from the cover plate, and the rear part of the connecting plate is provided with a limiting notch for limiting the convex part therein and limiting the convex part to move forwards.

The upside of apron can rotate to be connected on the panel body, also can rotate with following side and connect on the panel body, still can be for one of them side rotation connection in the left and right sides, but preferably, one of them side rotation setting of apron left and right sides is in on the panel body, the vertical setting of connecting plate, spacing breach is seted up on the upper limb of connecting plate, correspondingly, the vertical setting of extension, and the upper portion of this extension is buckled to extend and is formed with the convex part.

In order to facilitate the connection between the extending part and the connecting plate, mounting holes are correspondingly formed in the extending part of the cover plate and the connecting plate.

Preferably, the panel body is provided with a second operation hole, and the panel body is provided with a baffle plate for covering or opening the second operation hole.

In order to prevent the opened shutter from occupying a space in front of the panel body while achieving the shielding of the second operation hole, it is preferable that, a strip-shaped hole is arranged at the position of the panel body, which is adjacent to the second operation hole, an expansion opening which expands outwards in the lateral direction is arranged on the strip-shaped hole, the baffle is positioned at the back of the panel body and covers the second operation hole and the strip-shaped hole, the baffle is provided with an operating rod which penetrates out of the strip-shaped hole forwards and is limited in the strip-shaped hole in a sliding way, a rotating part which rotates relative to the operating rod is arranged on the periphery of the operating rod, the rear end of the rotating part is provided with an expanding part which is matched with the expanding opening and only rotates around the axis of the operating rod relative to the expanding opening, and under the condition that the expanding part rotates to the length direction of the strip-shaped hole, the baffle plate moves back and forth along the length direction of the strip-shaped hole under the driving of the operating rod so as to open or close the second operating hole. Thus, the user is prevented from being touched.

In order to limit the baffle when the second operation hole is in an open state, one end of the strip-shaped hole, which is far away from the operation hole, is provided with an expanding section which is expanded outwards and is in running fit with the expanding part.

Preferably, the second handle hole has two and upper and lower interval arrangement, the vertical setting of bar hole is two between the handle hole, the both ends in bar hole all have the flaring section, the expansion mouth is located two between the flaring section.

Preferably, the outer end surface of the expansion portion is an arc surface, and both the inner peripheral wall of the expansion opening and the inner peripheral wall of the expansion opening section are arc sections. In this way, a rotation of the expansion portion within the expansion opening or expansion section is achieved.

In order to limit the forward movement of the rotating member, preferably, the front end of the operating rod is provided with a flange expanding outwards in the lateral direction, the rotating member is positioned between the flange and the baffle plate, and the peripheral walls of the rotating member and the operating rod are correspondingly provided with through openings.

In order to realize the installation to the baffle, the back of panel body is provided with the edge the limiting plate of the width direction interval arrangement in bar hole, the limiting plate is followed the length direction in bar hole extends, just be formed with the edge between limiting plate and the panel body the spout that the slip direction of baffle extends, the corresponding side of baffle slides spacingly in the spout that corresponds.

Compared with the prior art, the utility model has the advantages of: this a be provided with the apron on the panel for looped netowrk cabinet, be provided with the convex part on the extension of apron, set up on the connecting plate and supply the convex part spacing wherein and the spacing breach that the restriction convex part moved forward, so, cover under the state of covering first handle hole, the existence of convex part and spacing breach, prevent that the apron from panel body forward movement and with panel body between produce the clearance, and then prevent that external instrument from stretching into in the first handle hole and touching the inside corresponding part through the clearance, anti-interference ability has been increased, the protection level has been improved.

Drawings

FIG. 1 is a partial schematic structural view of the present embodiment;

FIG. 2 is an enlarged schematic view of the portion C in FIG. 1;

FIG. 3 is a schematic perspective exploded view of FIG. 1;

fig. 4 is a schematic structural view of the second operation hole located at the lower side in fig. 1 in an opened state;

FIG. 5 is another exploded perspective view of FIG. 1;

FIG. 6 is a schematic view of a portion of the structure of FIG. 1;

FIG. 7 is a cross-sectional view of FIG. 1;

FIG. 8 is a schematic structural view of the operating lever of FIG. 1;

fig. 9 is a schematic structural view of the rotating member of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 9, the panel for a ring main unit according to the embodiment of the present invention includes a panel body 1, a mounting seat 2, a cover plate 3 and a baffle plate 4.

In this embodiment, the panel body 1 is provided with the first operation hole 11, in order to cover the first operation hole 11, the mounting seat 2 is disposed on the front surface of the panel body 1 and in a position adjacent to the first operation hole 11, specifically, the mounting seat 2 is disposed on the left side of the first operation hole 11, the mounting seat 2 has a connection plate 21 extending forward and vertically disposed, the right end of the cover plate 3 is rotatably disposed on the front surface of the panel body 1, the left end of the cover plate 3 is provided with an extension portion 31 extending forward and vertically disposed, the top of the extension portion 31 has a convex portion 311 extending in a direction away from the cover plate 3 in a bending manner, and the upper edge of the connection plate 21 is provided with a limit notch 211 for limiting the convex portion 311 therein and limiting the convex portion 311 to move forward. In addition, the extension portion 31 of the cover 3 and the connecting plate 21 are correspondingly provided with mounting holes a, and when the cover 3 is in a state of closing the first operation hole 11, the protrusion 311 is positioned in the limit notch 211, and the extension portion 31 is connected to the connecting plate 21 by passing through the mounting hole a by a padlock (not shown).

As shown in fig. 3 to 7, a second operation hole 12 and two strip-shaped holes 13 are formed in the panel body 1, the second operation hole 12 is located below the first operation hole 11, the two second operation holes 12 are arranged at intervals from top to bottom, and the strip-shaped holes 13 are located between the two second operation holes 12 and are vertically arranged. As shown in fig. 5, the shutter 4 is provided on the back of the panel body 1 and can cover the second operation hole 12 and the strip hole 13. In order to realize the connection between the baffle 4 and the panel body 1, as shown in fig. 6, the back of the panel body 1 is provided with limiting plates 14 arranged at left and right intervals along the width direction of the strip-shaped hole 13, the limiting plates 14 extend along the length direction of the strip-shaped hole 13, a sliding groove 15 extending along the sliding direction of the baffle 4 is formed between the limiting plates 14 and the panel body 1, that is, the sliding groove 15 extends up and down, and the corresponding side edge of the baffle 4 is limited in the corresponding sliding groove 15 in a sliding manner.

In order to move the baffle 4 up and down, as shown in fig. 4 and 5, the baffle 4 is provided with an operating rod 41 which penetrates out of the strip-shaped hole 13 forward and is limited in the strip-shaped hole 13 in a sliding manner, and in order to realize connection between the operating rod 41 and the baffle 4, specifically, as shown in fig. 5, the baffle 4 is provided with an installation opening 40, the installation opening 40 is non-circular, and the rear end of the operating rod 41 is limited in the installation opening 40. In this embodiment, the mounting opening 40 is a square opening, the rear end of the peripheral wall of the operating rod 41 is provided with two strip-shaped notch portions 412 matching with at least one inner wall of the square opening, and the two notch portions 412 are arranged oppositely, as shown in fig. 8.

As shown in fig. 8, the front end of the operating rod 41 has a flange 411 that is laterally flared, and the flange 411 is annular, and as shown in fig. 7, the rotating member 5 is rotatably disposed on the outer periphery of the operating rod 41 between the flange 411 and the shutter 4. Specifically, as shown in fig. 7 and 9, the rotating member 5 is rotatably disposed on the outer periphery of the operating rod 41 around the axis of the operating rod 41, and the rotating member 5 and the operating rod 41 have through holes B correspondingly formed on the peripheral walls thereof. In this way, the padlock passes through the through opening B to connect the rotation member 5 and the operation lever 41.

As shown in fig. 4 to 5, the strip-shaped hole 13 is vertically disposed, and a lateral expanding opening 131 is formed at a position of the strip-shaped hole 13 adjacent to the middle portion thereof, and the upper and lower ends of the strip-shaped hole 13 are provided with expanding sections 132 expanding outward. Two of the expanding openings 131 are arranged oppositely left and right, as shown in fig. 5 and 9, the rear end of the rotating member 5 has two expanding portions 51 which are matched with the corresponding expanding openings 131 and only rotate around the axis of the operating rod 41 relative to the expanding openings 131, the outer end surfaces of the expanding portions 51 are arc surfaces, and the inner peripheral walls of the expanding openings 131 and the inner peripheral walls of the flaring segments 132 are arc sections.

As shown in fig. 9, in a natural state, two expansion portions 51 are located in corresponding expansion openings 131, at this time, two second operation holes 12 are in a closed state under the shielding of the cover plate 2, the above-mentioned rotating member 5 is rotated, and in a state where the expansion portions 51 are rotated to the length direction along the strip-shaped hole 13, at this time, the limit to the expansion portions is cancelled, and the subsequent pulling operation rod 41 can open the second operation holes 12 on both sides, specifically, when the second operation hole 12 on the upper side needs to be opened, the operation rod 41 is pulled downward, and the baffle plate 4 is driven by the operation rod 41 to move downward along the length direction of the strip-shaped hole 13 to open the second operation hole 12 on the upper side; conversely, the operating rod 41 is pulled upwards, so that the second operating hole 12 on the lower side can be opened, as shown in fig. 5.

In the above embodiment, the energy storage operation rod in the ring main unit corresponding to the first operation hole and the operation shaft of the grounding switch in the ring main unit corresponding to the second operation hole.

The main protection point of this embodiment is to open or close the first operation hole and the second operation hole, and as for the working principles of other related circuits and other components and the like are similar to those in the prior art, detailed description will not be repeated in this embodiment.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are used for descriptive purposes and are not to be construed as limiting.

Claims

1. A panel for looped netowrk cabinet, including

The panel body (1) is provided with a first operation hole (11);

the mounting seat (2) is arranged on the front surface of the panel body (1) and is adjacent to the first operation hole (11), and is provided with a connecting plate (21) extending forwards;

a cover plate (3) for covering or opening the first operation hole (11), one end of which is rotatably provided on the panel body (1), and the other end of which has an extension part (31) extending forward, the extension part (31) being connected to the connecting plate (21) in a state where the cover plate (3) closes the first operation hole (11);

the method is characterized in that: the extending part (31) is provided with a convex part (311) extending towards the direction far away from the cover plate (3), and the rear part of the connecting plate (21) is provided with a limiting notch (211) for limiting the convex part (311) therein and limiting the convex part (311) to move forwards.

2. The panel of claim 1, wherein: one of them side of apron (3) left and right sides rotates the setting and is in on panel body (1), connecting plate (21) vertical setting, spacing breach (211) are seted up on the upper limb of connecting plate (21), correspondingly, extension (31) vertical setting, and the upper portion of this extension (31) is buckled to extend and is formed with convex part (311).

3. The panel of claim 1, wherein: the extending part (31) of the cover plate (3) and the connecting plate (21) are correspondingly provided with mounting holes (A).

4. A panel as claimed in any one of claims 1 to 3, wherein: the panel body (1) is provided with a second operation hole (12), and the panel body (1) is provided with a baffle (4) used for covering or opening the second operation hole (12).

5. The panel of claim 4, wherein: a strip-shaped hole (13) is formed in the position, adjacent to the second operation hole (12), of the panel body (1), an expansion port (131) which is expanded laterally is formed in the strip-shaped hole (13), the baffle (4) is located on the back of the panel body (1) and covers the second operation hole (12) and the strip-shaped hole (13), an operation rod (41) which penetrates out of the strip-shaped hole (13) forwards and is limited in the strip-shaped hole (13) in a sliding manner is arranged on the baffle (4), a rotating piece (5) which rotates relative to the operation rod (41) is arranged on the periphery of the operation rod (41), an expansion part (51) which is matched with the expansion port (131) and only rotates relative to the expansion port (131) around the axis of the operation rod (41) is arranged at the rear end of the rotating piece (5), and when the expansion part (51) rotates to the length direction along the strip-shaped hole (13), the baffle (4) is driven by the operating rod (41) to move back and forth along the length direction of the strip-shaped hole (13) so as to open or close the second operating hole (12).

6. The panel of claim 5, wherein: the end of the strip-shaped hole (13) far away from the operation hole is provided with an expanding section (132) which expands outwards and is in running fit with the expanding part (51).

7. The panel of claim 6, wherein: second handle hole (12) have two and upper and lower interval arrangement, the vertical setting in bar hole (13) is in two between the handle hole, the both ends of bar hole (13) all have flaring section (132), flaring mouth (131) are located two between flaring section (132).

8. The panel of claim 7, wherein: the outer end surface of the expansion part (51) is an arc surface, and the inner peripheral wall of the expansion opening (131) and the inner peripheral wall of the expansion opening section (132) are arc sections.

9. The panel of claim 5, wherein: the front end of the operating rod (41) is provided with a flange (411) which expands outwards in the lateral direction, the rotating piece (5) is positioned between the flange (411) and the baffle (4), and the peripheral walls of the rotating piece (5) and the operating rod (41) are correspondingly provided with through holes (B).

10. The panel of claim 5, wherein: the back of panel body (1) is provided with the edge limiting plate (14) of the width direction interval arrangement of bar hole (13), limiting plate (14) are followed the length direction in bar hole (13) extends, just be formed with the edge between limiting plate (14) and panel body (1) spout (15) that the slip direction of baffle (4) extends, the corresponding side of baffle (4) slides spacingly in spout (15) that correspond.