JP2558157Y2 - Mounting structure of equipment mounting plate in box for storing electrical equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure of an equipment mounting plate in a box for storing electrical equipment used for a distribution board, a distribution board, or the like.

[0002]

2. Description of the Related Art Conventionally, as shown in FIGS. 7 and 8, a base fitting 21 is welded to four corners of a back plate 20a of a box body 20, as shown in FIGS. Insert the bolt 22 into the base fitting 21,
The bolt 22 is fixed to the base fitting 21 by a bolt supporter 23, a nut 24 as a spacer is screwed to the bolt 22, and a bolt insertion hole 25 a of a device mounting plate 25 is fitted thereon, and the bolt 22 is tightened. Washer 26 and nut 27 were screwed on, and device mounting plate 25 was fastened to base fitting 21.

[0003]

In the above-mentioned prior art configuration, since the device mounting plate 25 is fastened to the base metal fitting 21, a work space is required when the wires for connecting the internal devices are drawn into the box body 20 from the outside. , And it is difficult to bend the wire, and it is particularly difficult to bend a thick wire or the like. Then, as shown in FIG. 9, when the thick electric wire 28 is drawn in, the upper plate 20b of the box body 20 must be opened in accordance with the position of the internal device 29 to be connected. Since the position is limited, if there are many internal devices 29 to be connected, it takes time and effort to drill a plurality of holes, and wiring cannot be performed from a single hole. There was a lack of sex.

Therefore, an object of the present invention is to provide a work space in a box for connecting an external electric wire to an internal device and a gutter space for wiring at a lower portion of the box easily and widely, and to draw the wire into the box. It is an object of the present invention to provide a structure for mounting a device mounting plate in an electric device housing box that enables labor saving of wire hole processing.

[0005]

In order to solve the above-mentioned problem, the mounting structure of the device mounting plate in the box for storing electrical equipment according to the present invention is composed of a plurality of units mounted in parallel to the back plate of the box body. A plurality of slide members each of which is slidably fitted to each rail member and has a nut protruding forward at the center thereof, and screwed into the nut from a bolt insertion hole of an equipment mounting plate. The rail member is provided with a slide member, and the device mounting plate is fixed to the slide member at the same time with a device mounting plate fixing bolt.

[0006]

[Function] Select the desired position to fix the equipment mounting plate,
A slide member slidably fitted to each rail member,
By sliding up and down on the rail member to a desired position for fixing the device mounting plate, applying the device mounting plate to the slide member, and screwing the device mounting plate fixing bolt to the nut from the bolt insertion hole of the device mounting plate. The slide member is fixed to the rail member, and the equipment mounting plate is fixed to the slide member at the same time. When this operation is performed in reverse to the above, the device mounting plate and the device mounting plate can be removed from the slide member. Therefore, another fixing position is selected, and the device mounting plate is moved and fixed to the slide member as described above. I can do it.

As described above, since the device mounting plate can be moved to a desired position in the box body and fixed by sliding the slide member, a work space for connecting the electric wires to the internal devices and a wiring gutter at the bottom of the box body. The space can be easily and widened, and it is not necessary to adjust the hole position of the electric wire drawn into the box from the outside to the internal equipment. A single hole is made at the desired position and the electric wires are distributed inside the box. As a result, it is possible to save labor for drilling holes.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing an embodiment of a structure for mounting a device mounting plate in an electric device housing box according to the present invention. FIG. 1 is an exploded perspective view of a mounting structure of a device mounting plate, FIG. 2 is an enlarged exploded perspective view of a main part of FIG. 1, and FIG. 1, 2 and 3, reference numeral 1 denotes a main body of a box for storing electric equipment, 1 a denotes a back plate thereof, and on both sides of the back plate 1 a,
Steel rails 2 as rail members, each having a U-shaped cross section bent outward to form a fitting piece 2a, are welded. (See FIG. 6) In the center of the steel rail 2, a cutout 2b is cut open.

A slide as a slide member is formed by bending both ends of the substrate 3a inward to form a fitting groove 3b, and projecting a cylindrical nut 3c at the center portion to project forward and penetrate. Metal fittings 3 are inserted into the cuts 2b of the steel rails 2 and 2 respectively.
Each is inserted one by one, and the fitting groove 3b is fitted to the fitting piece 2a so as to slide on the steel rail 2. The nut 3c may be a square nut other than the column nut. Further, a washer-equipped bolt 4 as a device mounting plate fixing bolt that can be screwed with the nut 3c is separately provided.

The mounting structure of the device mounting plate configured as described above operates as follows, and the device mounting plate 5
Can be adjusted and attached to the back plate 1a of the main body 1. That is, each slide fitting 3 is inserted into the cutout 2b of each of the steel rails 2 and 2, the fitting groove 3b is fitted into the fitting piece 2a, and the slide fitting 3 is slid on the steel rail 2. To the desired fixing position of the device mounting plate 5. Then, the device mounting plate 5 is brought into contact with the nut 3c of the slide fitting 3, and the bolts 4 with washers are screwed into the nuts 3c from bolt insertion holes 5a formed at four corners of the device mounting plate 5, respectively. When the and the slide fitting 3 are fastened together, the slide fitting 3 is fixed to the steel rail 2 and the device mounting plate 5 is fixed to the slide fitting 3 at the same time.

In this case, as the bolt 4 with the washer is tightened, the lower piece 3d of the fitting groove 3b is fitted to the fitting piece 2a of the steel rail 2.
And the slide fitting 3 is firmly fixed to the steel rail 2, so that the equipment mounting plate 5 is necessarily firmly fixed to the steel rail 2. Further, when this operation is performed in reverse to the above, the bolt 4 with washer and the device mounting plate 5 can be removed from the slide fitting 3, so that another necessary fixing position is selected next, and the device is mounted as described above. The mounting plate 5 can be fixed to the back plate 1a of the main body 1 of the box.

As described above, since the slide fitting 3 is slid, the device mounting plate 5 is moved to a desired position in the main body 1 and the device mounting plate 5 is brought into contact with the nut 3c of the slide fitting 3 and can be fixed. To work space when connecting wires to internal equipment, and as shown in FIG.
The gutter space 7 for wiring at the lower part of the main body 1 of the box can be easily and widened, so that the work of connecting to internal devices can be performed efficiently. Further, by increasing the space, a single hole 1c can be provided at an appropriate position on the upper plate 1b of the main body 1 as shown in FIG. After that, the wires 8 can be sorted inside the main body 1, so that it is possible to save labor for drilling holes.

Further, since the slide fitting 3 is inserted from the central cutout 2b of the steel rail 2, the steel rail 2 is connected from the upper end to the lower end of the back plate 1a of the box as shown in FIG. It can also penetrate to the main body 1 and is useful for reinforcement. Incidentally, 10 is a door. In addition, steel rail 2
It is not always necessary to provide the cutout 2b at the center thereof, and it may be provided at an appropriate position along the entire length of the rail in relation to the arrangement of the internal equipment. In some cases, the cutout 2b is not provided and the back plate 1a is made of steel. Before welding the rail 2, the slide fitting 3 may be fitted to the steel rail 2.

The materials, shapes and quantities of the steel rails and the slide fittings and the method of fixing the steel rails in the above embodiment are merely examples, and the present invention is not limited thereto. Can be changed as appropriate without departing from the range.

[0015]

As described above, the mounting structure of the device mounting plate in the electric device housing box according to the present invention is such that the rail members fixed to the back plate of the box body and the rail members are respectively slid. A slide member movably externally fitted and having a nut protruding forward at the center thereof; and a device mounting plate fixing bolt screwable to the nut, and the slide member is slid to form a nut for the slide member. The slide member and the device mounting plate can be fixed simultaneously to the desired positions in the electric device storage box by contacting the device mounting plate with the device mounting plate. The work space inside the box and the gutter space for wiring at the bottom of the box when connecting can be easily and widely taken, so that the connection work to the internal equipment can be done easily and the top plate of the body Open a single hole, can distributes the wire has been drawn from outside inside the box body, and the like becomes possible to save labor of drilling for incoming, in which extremely rich in practicability.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an embodiment of a mounting structure of a device mounting plate according to the present invention.

FIG. 2 is an enlarged exploded perspective view of a main part of FIG.

FIG. 3 is an explanatory cross-sectional view showing a state where the device mounting plate of FIG. 1 is mounted.

FIG. 4 is an explanatory view showing a gutter space for wiring.

FIG. 5 is an explanatory view of a state where an electric wire is drawn into the main body from the outside.

FIG. 6 is an explanatory diagram of an example in which a steel rail is provided on a back plate of a main body.

FIG. 7 is an explanatory view showing an example of a mounting structure of a device mounting plate in a conventional electric device housing box.

FIG. 8 is an enlarged exploded perspective view of a part of FIG. 7;

FIG. 9 is an explanatory view of a state in which a thick electric wire is drawn into a conventional box for storing electric equipment.

[Explanation of symbols]

1. The main body of the box, 1a, the back plate, 2., the steel rail,
3. Slide fittings, 3c nuts, 4 bolts with washers, 5 equipment mounting plate, 5a bolt insertion holes.

Claims (1)

(57) [Scope of request for utility model registration] 1. A plurality of rail members fixed to a back plate of a box body in parallel with each other, slidably fitted to each of the rail members, and a nut protruding forward at a central portion. A plurality of slide members, and a device mounting plate fixing bolt that is screwed to the nut through a bolt insertion hole of the device mounting plate, fixes the slide member to the rail member, and simultaneously fixes the device mounting plate to the slide member. However, the mounting structure of the equipment mounting plate in the box for storing electrical equipment.