Capacity expansion type distribution box

Abstract

The utility model relates to a capacity expansion type distribution box, which comprises a box body, a box door which is rotatably opened and closed is arranged on the front side of the box body, a plurality of groups of mounting racks are arranged on the rear side wall in the box body and used for fixing components, a communication hole communicated with the outside is formed in the bottom of the box body, and a round pipe extending into the box body is fixedly arranged in the communication hole. The outer wall of the circular tube is fixedly connected with the inner wall of the box body through a reinforcing plate, so that the circular tube is stably fixed on the electric box, the top of the circular tube and the top wall in the box body are arranged at an interval, and the circular tube is used for allowing a cable connected with a component on the mounting frame to pass through, so that the cable connected with the component in the box body can be conveniently routed; the front surface and the rear surface of the fixing plate are respectively provided with a plurality of groups of mounting racks, the mounting racks are used for mounting and fixing electrical components, more component mounting positions are provided, a certain space of the box body is reasonably released, and a positioning device is arranged between the fixing plate and the box body and can position the position of the fixing plate in the box body.

Description

TECHNICAL FIELD

[0001] The utility model relates to power equipment technical field especially relates to a capacity expansion type distribution box. BACKGROUND

[0002] With the rapid development of society and the progress of science and technology, the power system as one of the infrastructure of modern society, its importance is increasingly prominent. In practical application, many areas of power system is faced with the problem of insufficient equipment capacity, which is mainly due to the rapid growth of power demand and the limitation of original equipment capacity. In order to solve this problem, the power supply equipment needs to be expanded, and increasing distribution equipment is the most common way. In the expansion process of the traditional distribution box, a large number of new distribution boxes need to be installed, and if the amount of electrical equipment is small, the cost will be increased.

[0003] Especially in some complex environment, such as high altitude or narrow space, a large number of distribution boxes cannot be installed, and in order to meet the demand of adding electrical components, the utility model patent with the patent name of a distribution box convenient for expansion and expansion is authorized and announced, which provides a capacity expansion method, which increases the volume of the distribution box through sliding mode, and then expands the component capacity. In actual use, this method needs to change the new fixed position of the electrical box after extension, the operation is complex, the volume of the box body is increased, the space is occupied more, the adaptability to the surrounding environment is poor, it is not suitable for narrow area, and the wiring of the newly added electrical components is complex, the cost is high. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a capacity expansion type distribution box which does not need to increase the volume of the electrical box, is convenient for adding components and convenient for cable wiring.

[0005] To achieve the above purpose, the utility model adopts the technical scheme of a capacity expansion type distribution box, which comprises a box body, a box door rotating open and closed is arranged on the front side of the box body, a plurality of groups of mounting racks are arranged on the inner rear side wall of the box body, and the mounting racks are used to fix components.

[0006] The bottom of the box body is provided with a communication hole communicated with the outside, a circular tube extending into the inside of the box body is fixedly arranged in the communication hole, a fixed plate is rotatably arranged on the circular tube, and a plurality of groups of mounting racks are arranged on the front and back surfaces of the fixed plate.

[0007] The positioning device is arranged between the fixed plate and the box body.

[0008] The beneficial effects of the above technical scheme are: by rotating the fixed plate arranged on the circular pipe horizontally, the front and back spaces on the fixed plate are fully utilized, more component mounting positions are provided, certain cabinet space is reasonably released, the disadvantages of fixed capacity of traditional distribution box and difficulty in meeting future expansion requirements are avoided, the adaptability and flexibility of the distribution box are improved, since the capacity is adjustable, waste caused by replacing large-capacity distribution equipment is avoided, the horizontal rotating fixed plate is more convenient for daily operation, so that maintenance personnel can more conveniently perform daily maintenance and fault troubleshooting, and in some complex environments such as high altitude or narrow space, the device can help workers to operate the equipment more conveniently, and adjustment and configuration are performed according to different use scenarios and requirements, so that various expansion requirements can be met.

[0009] Further, the top of the circular pipe is arranged in space with the inner top wall of the cabinet, and the circular pipe is used for the cable connected with the components on the mounting frame.

[0010] Beneficial effects: convenient cable wiring for connecting the components inside the cabinet.

[0011] Further, the outer wall of the circular pipe is spaced apart and arranged with an annular connecting groove, the side surface of the fixed plate is fixedly connected with a sleeve ring, the inner diameter of the sleeve ring is equal to the outer diameter of the connecting groove, the sleeve ring is rotatably sleeved in the connecting groove and is limited and supported on the lower groove wall of the connecting groove.

[0012] Beneficial effects: the fixed plate can rotate around the circular pipe, on the one hand, the mounting frame on the back of the fixed plate and the rear side wall of the cabinet can be fully utilized, and on the other hand, daily maintenance and fault troubleshooting can be conveniently performed.

[0013] Further, the positioning device comprises a bolt column and a limiting ring, the bottom of the fixed plate is fixed with a limiting support, the limiting support is arranged with a bolt hole penetrating through the top and bottom, the bolt column is slidably arranged in the bolt hole, and the limiting ring is vertically fixed on the inner wall of the bottom of the cabinet, the bolt column can be inserted into the limiting ring to limit the position of the fixed plate to be parallel to the rear inner wall of the cabinet.

[0014] Beneficial effects: after the components in the cabinet are mounted, the position of the fixed plate can be positioned by the positioning device.

[0015] Further, the outer wall of the circular pipe is spaced apart and arranged with a communication groove corresponding in height to the mounting frame on the fixed plate, the opening of the communication groove faces the fixed plate, and the communication groove is used for the cable connected with the components on the fixed plate.

[0016] Beneficial effects: convenient cable wiring for connecting the components on the fixed plate.

[0017] Further, the cross section of the communication groove is semicircular, and a wear-resistant pad is arranged on the lower groove wall of the communication groove.

[0018] Beneficial effects: the semicircular notch can provide space for the cable to follow the rotation of the fixing plate, and the wear-resistant pad can prevent the cable following the rotation of the fixing plate from being worn on the notch.

[0019] Further, the outer wall of the circular tube is fixedly connected with the inner wall of the box through the reinforcing plate.

[0020] Beneficial effects: the structure stability of the circular tube is enhanced.

[0021] Further, the height of the fixing plate in the up-down direction is less than the height of the box, and the upper end of the fixing plate is arranged in a spaced manner with the inner top wall of the box, so as to avoid the components on at least one set of mounting racks on the rear side wall of the box in the front-rear direction.

[0022] Beneficial effects: the installation position of the component with large thickness is provided, and the reasonable partition of the components in the electric box is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic view of the utility model;

[0024] Figure 2 is Figure 1 is a structural schematic view of the utility model after the fixing plate is removed;

[0025] Figure 3 is Figure 1 is a structural schematic view of the fixing plate;

[0026] In the figure: 1-box, 2-box door, 3-mounting rack, 4-circular tube, 5-fixing plate, 6-sleeve ring, 7-bolt column, 8-limiting ring, 9-limiting support, 10-reinforcing plate, 101-communication hole, 401-connection groove, 402-communication groove. DETAILED DESCRIPTION

[0027] The utility model of a kind of expansion type distribution box is further described in detail below in combination with the drawings and specific implementation.

[0028] For example, Figures 1-3As shown, the utility model discloses a capacity expansion type distribution box, including box 1, the box door 2 of rotating opening and closing is arranged to the front side of box 1, is equipped with a plurality of groups of mounting bracket 3 on the rear side wall in the inside of box 1, and mounting bracket 3 is used to fix component, the bottom of box 1 is set up with the intercommunication hole 101 of intercommunication with outside, the round tube 4 of intercommunication hole 101 is fixedly arranged and is inserted into the inside of box 1, and the outer wall of round tube 4 is fixedly connected through the reinforcing plate 10 between the inner wall of box 1, to make round tube 4 stable in the electric box, the top of round tube 4 is spaced apart and set up between the inner top wall of box 1, and round tube 4 is used to pass the cable of component connection on mounting bracket 3, and the cable wiring of the component inside box 1 is conveniently connected, and the fixed plate 5 is rotatably arranged on round tube 4, and a plurality of groups of mounting bracket 3 are all equipped on the front and back of fixed plate 5, and mounting bracket 3 is used to install and fix electrical component, provides more component mounting position, and the space of certain box 1 is reasonably released, and the position of fixed plate 5 in the inside of box 1 can be positioned between the fixed plate 5 and box 1.

[0029] Specifically, the outer wall of the round tube 4 is spaced apart and set up annular connection groove 401, the side surface of the fixed plate 5 is fixedly connected with the sleeve ring 6, the inner diameter of the sleeve ring 6 is equal to the outer diameter of the connection groove 401, the sleeve ring 6 is rotatably sleeved in the connection groove 401 and is limited and supported on the lower groove wall of the connection groove 401, the sleeve ring 6 of the fixed plate 5 is limited in the up-down direction of the round tube 4 by the connection groove 401, so that the fixed plate 5 is horizontally rotatably connected to the round tube 4, the height of the fixed plate 5 in the up-down direction is less than the height of the box 1, and the upper end of the fixed plate 5 is spaced apart from the inner top wall of the box 1, so as to avoid the components on at least one group of mounting brackets 3 on the rear side wall of the box 1 in the front-rear direction, the avoided mounting brackets 3 on the rear side wall of the box 1 can be used to install the components with relatively large thickness, so that the reasonable partition of the components of the distribution box is more beneficial.

[0030] In the embodiment, the positioning device includes a bolt column 7 and a limiting ring 8, the bottom of the fixed plate 5 is fixed with a limiting support 9, the limiting support 9 is provided with a bolt hole penetrating through the upper and lower portions, the bolt column 7 is slidably arranged in the bolt hole, and the limiting ring 8 is vertically fixed on the inner wall of the bottom of the box 1. When the electrical components on the mounting brackets 3 of the fixed plate 5 are installed and wired, the bolt column 7 is adapted to be inserted into the limiting ring 8, so as to limit the fixed plate 5 at a position parallel to the inner wall of the rear side of the box 1, thereby preventing the fixed plate 5 from continuously rotating horizontally in the box 1 during use of the electric box, and affecting the safety of electricity use.

[0031] In the embodiment, the outer wall of the circular tube 4 is provided with a communication groove 402 corresponding in height to the mounting rack 3 on the fixing plate 5 and spaced apart from the fixing plate 5, the opening of the communication groove 402 faces the fixing plate 5, the communication groove 402 is used for the cable connected with the components on the fixing plate 5 to pass through, so that the cable wiring in the box 1 is more convenient, the cross section of the communication groove 402 is semicircular, so that the cable of the components on the front and back surfaces of the fixing plate 5 has sufficient rotating space following the fixing plate 5, and the lower groove wall of the communication groove 402 is provided with a wear-resistant pad to prevent the cable rotating following the fixing plate 5 from being abraded on the groove opening.

[0032] In use, first, the layout of the electric box is reasonably distributed according to the requirements of components, the components with greater thickness are installed on the mounting rack 3 at the uppermost position of the rear side wall of the box 1, other components are installed on other mounting racks 3, when it is necessary to increase components, the components can be installed on the mounting rack 3 on the fixing plate 5, and the cables of the components can pass through the groove opening of the communication groove 402 to wire, after all the components are installed and wired, the fixing plate 5 is fixed by inserting the bolt column 7 into the limiting ring 8, and when overhauling, the components on the rear surface of the fixing plate 5 and the rear side wall of the box 1 can be viewed by rotating the fixing plate 5, and use is more convenient.

[0033] The utility model discloses a kind of expansion type distribution boxes, with the following advantages: first, compared with the single-layer layout of conventional distribution box, mounting position on the fixing plate 5 is increased, without expanding by increasing the size of distribution box, it can adapt to high altitude or narrow environment etc.;Second, the fixing plate 5 can rotate horizontally, the space utilization of the entire box 1 is higher, and it is convenient to overhaul and replace all components in the box 1;Third, by the communication hole 101 and the communication groove 402 on the circular tube 4, the connection cable of the components in the box 1 can be wired more conveniently and beautifully.

[0034] The above is only the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A power distribution box of the expansion type, characterized in that, It includes a box (1), the box (1) front side is provided with rotating open and close box door (2), the box (1) inside rear side wall is equipped with several groups of mounting rack (3), mounting rack (3) is used to fix component; The bottom of the box (1) is provided with a communication hole (101) connected with the outside, and the communication hole (101) is fixedly provided with a circular tube (4) extending into the inside of the box (1), the circular tube (4) is rotatably provided with a fixed plate (5), and the front and rear surfaces of the fixed plate (5) are both provided with several groups of mounting racks (3). The fixed plate (5) and the box (1) are provided with a positioning device.

2. The power distribution box of claim 1, wherein, The top of the circular tube (4) is spaced apart from the top wall inside the box (1), and the circular tube (4) is used for the cable connected with the components on the mounting rack (3) to pass through.

3. The power distribution box of claim 1 or 2, wherein, The outer wall of the circular tube (4) is spaced apart and provided with an annular connecting groove (401), the side surface of the fixed plate (5) is fixedly connected with a sleeve ring (6), the inner diameter of the sleeve ring (6) is equal to the outer diameter of the connecting groove (401), the sleeve ring (6) is rotatably sleeved in the connecting groove (401) and is limited and supported on the lower groove wall of the connecting groove (401).

4. The power distribution box of claim 1 or 2, wherein, The positioning device includes a bolt column (7) and a limiting ring (8), the bottom of the fixed plate (5) is fixedly provided with a limiting support (9), the limiting support (9) is provided with a bolt hole penetrating through the upper and lower, the bolt column (7) is slidably arranged in the bolt hole, the limiting ring (8) is vertically fixed on the inner wall of the bottom of the box (1), and the bolt column (7) can be inserted into the limiting ring (8) to limit the fixed plate (5) to be located in parallel with the rear inner wall of the box (1).

5. The power distribution box of claim 1 or 2, wherein, The outer wall of the circular tube (4) is spaced apart and provided with a communication groove (402) corresponding to the height of the mounting rack (3) on the fixed plate (5), the opening of the communication groove (402) faces the fixed plate (5), and the communication groove (402) is used for the cable connected with the components on the fixed plate (5) to pass through.

6. The power distribution box of claim 5, wherein, The cross section of the communication groove (402) is semicircular, and the lower groove wall of the communication groove (402) is provided with a wear-resistant pad.

7. The power distribution box of claim 1 or 2, wherein, The outer wall of the circular tube (4) and the inner wall of the box (1) are fixedly connected through a reinforcing plate (10).

8. The power distribution box of claim 1 or 2, wherein, The height of the fixed plate (5) in the up-down direction is less than the height of the box (1), and the upper end of the fixed plate (5) is spaced apart from the top wall inside the box (1) to avoid the components on at least one group of mounting racks (3) on the rear side wall of the box (1) in the front-rear direction.

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