Insulation protection box for switch cabinet busbar

Abstract

The utility model relates to the field of busbar protection, and particularly discloses an insulation protection box for a switch cabinet busbar, which comprises a lower box body and an upper box body. A rotating shaft is arranged between the lower box body and the upper box body, the rotating shaft is connected with the lower box body and the upper box body, a lower connecting plate is arranged on the lower box body, a lower connecting column is arranged on the lower connecting plate and is of a hollow structure, an upper connecting plate is arranged on the upper box body, an upper connecting column is arranged on the upper connecting plate and is of a hollow structure, and the lower box body and the upper box body are connected through the rotating shaft. Lower side plates are arranged on the two sides of the lower box body, upper side plates are arranged on the two sides of the upper box body, expansion plates are arranged on the upper side plates, expansion grooves are formed between the expansion plates and the upper side plates, a plurality of open holes are formed in the upper side plates, the positions of the lower connecting columns correspond to the positions of the upper connecting columns, bolts are arranged in the lower connecting columns and the upper connecting columns, and the lower connecting columns and the upper connecting columns are connected through bolts. A pressing plate is arranged between the upper side plate and the lower side plate; the utility model provides a busbar insulation protection box fixed by pressing.

Description

Technical Field

[0001] The utility model relates to the field of busbar protection, in particular to an insulating protection box for a busbar of a switch cabinet. Background Art

[0002] Busbar is the name of the conductive material on the power distribution equipment. The material is copper (equivalent to electric wire), has no insulation layer, and is painted with color paint indicating the phase sequence. It is mainly used to connect indoor transformers to distribution cabinets, then to the main power switch, and then to each sub-switch.

[0003] The existing busbar is exposed to the outside. In order to prevent animals such as snakes and rats from accidentally touching the busbar and affecting it, and to provide protection for operators, an insulating protection box is put on the outside of the busbar. The existing insulating protection box is inconvenient to install and disassemble, and cannot be fixed on the busbar. The corresponding busbars will move, thereby affecting the busbar. Therefore, an insulating protection box for the busbar of a switch cabinet is proposed. Utility Model Content

[0004] The utility model aims to provide an insulating protection box for a switch cabinet busbar, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an insulating protection box for a switch cabinet busbar, comprising a lower box body and an upper box body; a rotating shaft is arranged between the lower box body and the upper box body, a lower connecting plate is arranged on the lower box body, a lower connecting column is arranged on the lower connecting plate, and the lower connecting column is a hollow structure; an upper connecting plate is arranged on the upper box body, and an upper connecting column is arranged on the upper connecting plate, and the upper connecting column is a hollow structure; lower side plates are arranged on both sides of the lower box body, upper side plates are arranged on both sides of the upper box body, expansion plates are arranged on the upper side plates, an expansion groove is arranged between the expansion plate and the upper side plates, a plurality of openings are arranged on the upper side plates, the lower connecting column and the upper connecting column are positioned correspondingly, bolts are arranged inside the lower connecting column and the upper connecting column, and a pressure plate is arranged between the upper side plate and the lower side plate.

[0006] Preferably, a pressure column is provided on the pressure plate, and the pressure column and the opening position correspond to each other. The pressure column passes through the opening and extends into the expansion groove. A support plate is provided on one end of the pressure column. The pressure column is connected to one side of the support plate, and a spring is connected to the other side of the support plate. The spring is connected and fixed to the inner wall of the expansion plate. In the process of pressing the upper box body toward the lower box body, the pressure plate contacts the busbar, and the spring provides elastic force for the pressure plate to fix the busbar.

[0007] Preferably, an insulating pad is provided on the lower side plate.

[0008] Preferably, a plurality of lower pads are arranged inside the lower box body, and a plurality of upper pads are arranged inside the upper box body. The lower pads and the upper pads are made of insulating rubber, which provide insulation and protection effects at the same time.

[0009] Preferably, a screw head is provided on one end of the bolt, and a nut is provided on the bolt, and the upper box body and the lower box body are fixed by the cooperation of the nut and the bolt.

[0010] Preferably, the lower box body and the upper box body are entirely made of insulating plastic.

[0011] Preferably, an insulating protective layer is provided on the pressing plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the protection box is conveniently put on the busbar by setting the lower box body and the upper box body, the lower box body and the upper box body are connected by bolts, and the bolts are protected by the lower connecting columns and the upper connecting columns to avoid the influence of the bolts on the busbar; the protection box and the busbar are fixed by the set pressure plate, and the spring provides elastic force to connect the pressure plate and the busbar, thereby reducing the movement between the protection box and the busbar. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the protection box of the utility model;

[0014] Figure 2 This is a schematic diagram of the lower box structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the upper box structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the bolt structure of the utility model;

[0017] Figure 5 This is a schematic diagram of the pressing plate structure of the utility model;

[0018] Numbers in the figure: 1. lower box body; 11. lower connecting plate; 12. lower connecting column; 13. lower side plate; 14. lower pad; 2. upper box body; 21. upper connecting plate; 22. upper connecting column; 23. upper side plate; 24. upper pad; 3. expansion plate; 31. expansion slot; 32. opening; 4. bolt; 41. screw head; 42. nut; 5. insulating pad; 6. pressure plate; 61. pressure column; 62. abutment plate; 63. spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-5 The utility model provides a technical solution: an insulating protection box for a switch cabinet busbar, comprising a lower box body 1 and an upper box body 2; a rotating shaft is arranged between the lower box body 1 and the upper box body 2, a lower connecting plate 11 is arranged on the lower box body 1, a lower connecting column 12 is arranged on the lower connecting plate 11, and the lower connecting column 12 is a hollow structure; an upper connecting plate 21 is arranged on the upper box body 2, and an upper connecting column 22 is arranged on the upper connecting plate 21, and the upper connecting column 22 is a hollow structure, The lower box body 1 is provided with lower side plates 13 on both sides, the upper box body 2 is provided with upper side plates 23 on both sides, the upper side plates 23 are provided with expansion plates 3, expansion grooves 31 are provided between the expansion plates 3 and the upper side plates 23, a plurality of openings 32 are provided on the upper side plates 23, the lower connecting columns 12 and the upper connecting columns 22 are positioned correspondingly, bolts 4 are provided inside the lower connecting columns 12 and the upper connecting columns 22, and a pressure plate 6 is provided between the upper side plates 23 and the lower side plates 13.

[0023] Furthermore, a pressure column 61 is provided on the pressure plate 6, and the pressure column 61 corresponds to the opening 32 in position. The pressure column 61 passes through the opening 32 and extends into the expansion groove 31. A support plate 62 is provided on one end of the pressure column 61. One side of the support plate 62 is connected to the pressure column 61, and the other side of the support plate 62 is connected to a spring 63. The spring 63 is connected and fixed to the inner wall of the expansion plate 3. In the process of pressing the upper box body 2 toward the lower box body 1, the pressure plate 6 contacts the busbar, and the spring 63 provides elastic force for the pressure plate 6 to fix the busbar.

[0024] Furthermore, an insulating pad 5 is provided on the lower side plate 13 .

[0025] Furthermore, a plurality of lower pads 14 are disposed inside the lower box body 1, and a plurality of upper pads 24 are disposed inside the upper box body 2. The lower pads 14 and the upper pads 24 are made of insulating rubber, which provide both insulation and protection effects.

[0026] Furthermore, a screw head 41 is provided on one end of the bolt 4 , and a nut 42 is provided on the bolt 4 , and the upper box body 2 and the lower box body 1 are fixed by the cooperation of the nut 42 and the bolt 4 .

[0027] Furthermore, the lower box body 1 and the upper box body 2 are entirely made of insulating plastic.

[0028] Furthermore, an insulating protective layer is provided on the pressing plate 6 .

[0029] Working principle: Place the lower box body 1 at the bottom of the busbar. The lower box body 1 and the upper box body 2 are connected by a rotating shaft. The upper box body 2 is rotated by the rotating shaft to place the upper box body 2 on the top of the busbar. The line rows on both sides of the busbar pass through between the lower side plate 13 and the upper side plate 23. When the upper box body 2 is pressed down, the pressure plate 6 contacts the line row. The spring 63 makes the connection between the pressure plate 6 and the line row tighter. The lower connecting column 12 corresponds to the upper connecting column 22. The bolt 4 passes through the middle of the lower connecting column 12 and the upper connecting column 22, and the bolt 4 is fixed by the nut 42.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An insulation protection box for a switch cabinet busbar, characterized in that: The invention comprises a lower box body (1) and an upper box body (2); a rotating shaft is arranged between the lower box body (1) and the upper box body (2); a lower connecting plate (11) is arranged on the lower box body (1), a lower connecting column (12) is arranged on the lower connecting plate (11), and the lower connecting column (12) is a hollow structure; an upper connecting plate (21) is arranged on the upper connecting plate (21), and an upper connecting column (22) is a hollow structure; lower side plates (13) are arranged on both sides of the lower box body (1) The upper box body (2) is provided with upper side plates (23) on both sides, the upper side plates (23) are provided with expansion plates (3), an expansion groove (31) is provided between the expansion plate (3) and the upper side plates (23), a plurality of openings (32) are provided on the upper side plates (23), the lower connecting column (12) and the upper connecting column (22) are located in corresponding positions, bolts (4) are provided inside the lower connecting column (12) and the upper connecting column (22), and a pressure plate (6) is provided between the upper side plates (23) and the lower side plates (13).

2. The insulating protection box for a switch cabinet busbar according to claim 1, characterized in that: The pressure plate (6) is provided with a pressure column (61), the pressure column (61) and the opening (32) are located correspondingly, the pressure column (61) passes through the opening (32) and extends into the expansion groove (31), a stop plate (62) is provided on one end of the pressure column (61), one surface of the stop plate (62) is connected to the pressure column (61), and the other surface of the stop plate (62) is connected to a spring (63), and the spring (63) is connected and fixed to the inner wall of the expansion plate (3).

3. The insulating protection box for a switch cabinet busbar according to claim 1, characterized in that: An insulating pad (5) is provided on the lower side plate (13).

4. The insulating protection box for a switch cabinet busbar according to claim 1, characterized in that: A plurality of lower padding strips (14) are arranged inside the lower box body (1), and a plurality of upper padding strips (24) are arranged inside the upper box body (2).

5. The insulating protection box for a switch cabinet busbar according to claim 1, characterized in that: A screw head (41) is arranged on one end of the bolt (4), and a nut (42) is arranged on the bolt (4).

6. The insulating protection box for a switch cabinet busbar according to claim 1, characterized in that: The lower box body (1) and the upper box body (2) are entirely made of insulating plastic.

7. The insulating protection box for a switch cabinet busbar according to claim 1, characterized in that: An insulating protective layer is provided on the pressing plate (6).

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