JP2020089106A - Electric apparatus housing box - Google Patents

Abstract

To provide an easy-to-use electric apparatus housing box which enables carrying an electric apparatus to the inside of a box body of the electric apparatus using a top face opening, without anxiety of reinforcement.SOLUTION: Notches 17, screw holes 18, 18 are provided on fixtures 16, and also, a reinforcement member 19 and screw holes 21, 21 ... are provided on a top board support member 15. The top board support member 15 is installed between the fixtures 16, 16 in such a manner that both front and rear end parts of the reinforcement member 19 are positioned in the notches 17 of the fixtures 16 respectively, and further, the screw holes 21, 21 of the top board support member 15 on the fixtures 16 are vertically coincident with the screw holes 18, 18 of the fixtures 16. Then, a top board 10 is loaded in a manner to cover a top face opening 2 of a box body, and the screws 9, 9 ... are fastened in both screw holes 18, 21, so that the top board 10, the top board support member 15 and the fixtures 16 are formed in integration to enable the attachment of the top board 10.SELECTED DRAWING: Figure 3

Description

The present invention relates to a box for storing electrical equipment such as a cabinet for storing electrical equipment.

2. Description of the Related Art Conventionally, as a comparatively large box for accommodating an electric device used for a switchboard or the like, there is one described in Patent Document 1, for example. In such a box for housing electrical equipment, a top plate is welded to the upper frame of the box body to close the upper opening of the box body. Further, from the necessity of the reinforcing surface, for example, a column-shaped top plate supporting member is installed over the front and rear at a substantially central portion in the left-right direction of the upper frame, and the top plate supporting member and the top plate are also welded. Was there.

JP, 2011-030364, A

As described above, since the conventional electrical equipment housing box has the top plate welded, it is difficult to assemble it at the installation site. Therefore, they have been assembled in advance at a manufacturing plant or the like and then transported to the installation site. However, once assembled, the electrical equipment cannot be carried in using the upper opening of the box body, which poses a problem in terms of usability.

Therefore, the present invention has been made in view of the above problems, and it is possible to carry an electric device into the inside of a box body by using an upper surface opening, which is convenient and has no fear of a reinforcing surface. It is intended to provide a storage box.

In order to achieve the above object, the present invention includes a box body having a front surface, left and right side surfaces, and a back surface and opening at least an upper surface, and a top plate closing an upper surface opening of the box body. An upper frame formed by assembling a front side member, a rear side member, and left and right side side members in a rectangular frame shape is fixed to the upper end of the box body, and a fixing tool is attached to each of the front side member and the rear side member. It is a box body for storing electrical equipment in which a belt-shaped top plate support member long in the front-rear direction is laid across both the fixing tools, and at a location projecting inward of the upper frame in the fixing tools. A notch having a predetermined width in the left-right direction is provided, and screw holes are provided on both left and right sides of the notch, while being bent in an L shape on the lower surface of the top plate supporting member. A reinforcing member formed by fixing metal plates to each other back to back is disposed in the front-rear direction, and screw holes are formed on both left and right sides of the reinforcing member at both front and rear ends of the top plate supporting member. The reinforcing member is located in the notch of the fixture, and the screw hole of the top plate supporting member and the screw hole of the fixture are vertically aligned with each other, and then the upper surface opening is closed. The top plate is placed on the box body, and the top plate, the top plate support member, and the fixture are integrated by fastening the screws in the screw holes.

According to the present invention, the fixing member is provided with a notch or a screw hole, and the top plate supporting member is provided with a reinforcing member or a screw hole, respectively, and the reinforcing member is positioned in the notch of the fixing device. After aligning the screw holes and the screw holes of the fixture vertically, place the top plate on the box body so as to close the upper surface opening, and fasten the screws at both the screw holes to make the top plate, The top plate support member and fixture can be integrated. That is, the top plate support member can be removed from the box body simply by loosening the screws. Therefore, for example, if it is desired to carry in the electric device from the top opening of the box body at the installation site, the top plate supporting member and the top plate can be removed, which is convenient. Further, since the top plate supporting member is not provided, the strength can be sufficiently maintained.

It is explanatory drawing which showed the box for electrical equipment storage from the front side. It is explanatory drawing which showed the box for electrical equipment storage from the right side. It is explanatory drawing which showed the upper frame from the lower side. It is explanatory drawing which expanded and showed one end of the top board support member, (a) is shown from the lower side, (b) is shown from the front side, (c) is shown from the left side, respectively. It is explanatory drawing which showed the fixing tool, (a) is shown from the lower side, (b) is shown from the front side, and (c) is shown from the left side, respectively. It is explanatory drawing which showed the state which integrated the fixing tool and the top plate support member from the lower side. It is explanatory drawing which showed the state which integrated the fixing tool and the top plate support member from the front side.

Hereinafter, a box for storing an electric device (hereinafter, simply referred to as a box) according to an embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 is an explanatory view showing the box body 1 from the front side. FIG. 2 is an explanatory diagram showing the box body 1 from the right side. FIG. 3 is an explanatory diagram showing the upper frame 11 from the lower side. 4A and 4B are explanatory views showing one end of the top plate support member 15 in an enlarged manner. FIG. 4A shows the lower side, FIG. 4B shows the front side, and FIG. 4C shows the left side. 5A and 5B are explanatory views showing the fixture 16, where FIG. 5A is from the lower side, FIG. 5B is from the front side, and FIG. 5C is from the left side. FIG. 6 is an explanatory view showing a state in which the fixture 16 and the top plate supporting member 15 are integrated from the lower side. FIG. 7 is an explanatory view showing a state in which the fixture 16 and the top plate support member 15 are integrated from the front side.

The box body 1 includes a box body having a pair of left and right side surfaces 3, 3, a front surface 4, and a back surface 5 and opening to the upper and lower surfaces, and a top plate 10 for closing the upper surface opening 2 of the box body. Inside the box body, various electrical devices such as transformers and circuit breakers can be stored. The front surface 4 of the box body is composed of a pair of front doors that open to the left and right to open and close the front opening. Further, each side surface 3 is also provided with a side door 6 for opening and closing the side surface opening. The box body is installed on a concrete foundation (not shown) via the channel base 7. In addition, 8 is a hood attached so as to cover ventilation openings (not shown) provided in the front surface 4 and the back surface 5.

Here, a structure for attaching the top plate 10 to the box body, which is an essential part of the invention, will be described.
At the upper end of the box body, a pair of left and right side members 12, 12, a front side member 13 that connects the front ends of the side member 12 and a rear side member 14 that connects the rear ends of the side member 12 are provided. The upper frame 11 is welded. The length of the side member 12 is substantially the same as the front-back length of the side face 3, the front-side member 13 is substantially the same as the left-right length of the front face 4, and the rear-side member 14 is substantially the same as the left-right length of the back face 5. Fixing tools 16 for fixing a top plate supporting member 15, which will be described later, are welded to the front side member 13 and the rear side member 14 at positions substantially in the center in the left-right direction.

The fixture 16 is formed by bending the left and right ends of a metal plate that is long in the left-right direction downward, and a cutout 17 is provided on one of the long sides (front side or rear side). Further, screw holes 18, 18 are formed on both the left and right sides of the notch 17 for integrating the fixture 16, the top plate supporting member 15, and the top plate 10. The fixture 16 is welded to the front side member 13 and the rear side member 14 in such a posture that the notch 17 portion projects inward from the upper frame 11.

On the other hand, the top plate support member 15 has a length in the front-rear direction that is substantially the same as the front-rear distance between the front side member 13 and the rear side member 14, and a left-right width that is substantially the same as the left-right length of the fixture 16. It is a strip-shaped metal plate. A reinforcing member 19 extending in the front-rear direction is fixed to the lower surface of the top plate supporting member 15 at a position substantially in the center in the left-right direction. The reinforcing member 19 is formed by welding two metal members bent in an L shape back to back, and the left and right widths thereof are substantially the same as the left and right width of the notch 17. The length of the reinforcing member 19 in the front-rear direction is shorter than the length of the top plate supporting member 15 in the front-rear direction, and the front and rear end portions of the reinforcing member 19 and the front and rear end portions of the top plate supporting member 15 are The space between them serves as a fixing allowance 20 for fixing to the fixture 16. In addition, screw holes 21 for integrating the top plate support member 15, the fixture 16 and the top plate 10 are provided at positions on the left and right sides of the reinforcing member 19 at both ends of the top plate support member 15 in the front-rear direction. , 21 are provided respectively.

When attaching the top plate 10, first, the top plate support member 15 is placed on the fixture 16 with the front and rear ends of the reinforcing member 19 respectively located in the notches 17 of the fixture 16. The screw holes 21, 21 of the support member 15 and the screw holes 18, 18 of the fixing tool 16 are installed between the fixing tools 16, 16 so that they are vertically aligned. Then, the top plate 10 is placed so as to cover the upper surface opening 2 of the box body, and the screws 9, 9,... Are fastened by the screw holes 18, 21, so that the top plate 10, the top plate support member 15, and The fixture 16 is integrated, and the attachment of the top plate 10 is completed. In addition, when the box 1 is transported to the installation site in the assembled state and fixed on the channel base 7, the screws 9, 9... The top plate 10 and the top plate support member 15 may be loosened and removed from the box body. Then, since the top surface of the box body is widely opened without being partitioned by the top plate supporting member 15, the electric device may be carried in through the top surface opening 2.

According to the box body 1 having the above-described configuration, the notch 17 and the screw holes 18, 18 are provided in the fixture 16, while the reinforcing member 19 and the screw holes 21, 21,... Are provided in the top plate supporting member 15. Is provided. Then, the top plate support member 15 is provided with screw holes 21 and 21 of the top plate support member 15 on the fixture 16 such that the front and rear ends of the reinforcing member 19 are located in the notches 17 of the fixture 16, respectively. The screw holes 18, 18 of the fixture 16 are vertically aligned so that the fixture 16 is installed between the fixtures 16, and the top plate 10 is placed so as to cover the upper opening 2 of the box body. The top plate 10, the top plate support member 15, and the fixture 16 are integrated by fastening the screws 9, 9... In both screw holes 18 and 21, and the top plate 10 can be attached. That is, not only the top plate 10 but also the top plate support member 15 can be removed from the fixtures 16 and 16 by loosening the screws 9, 9. Therefore, by removing the top plate 10 and the top plate support member 15 from the box main body, a wide opening 2 that is not partitioned by the top plate support member 15 can be secured on the top surface of the box main body, so that the top surface opening The electric equipment can be carried in via 2 and is convenient.

Further, the top plate support member 15 is not provided in place of ensuring the wide upper surface opening 2, and the top plate support member 15 having the reinforcing member 19 is fixed when the top plate 10 is attached. Therefore, the strength of the box body 1 can be sufficiently maintained.

Incidentally, the box for electrical equipment storage according to the present invention is not limited to the mode of the above-described embodiment, and of course the overall configuration of the box, as well as the configuration of the fixture and the top plate support member, Modifications can be appropriately made as necessary without departing from the spirit of the present invention.

For example, in the above-described embodiment, one top plate support member is detachably provided on the upper frame, but depending on the size of the box body, a plurality of top plate support members may be detachably provided without any problem.
Further, not only the front and rear ends of the top plate supporting member, but also other places (for example, the central portion in the front and rear direction of the top plate supporting member) is configured to be screwed to the top plate and the top plate supporting member. May be.

1... Box for storing electric equipment, 2... Top opening, 3... Side surface, 4... Front surface, 5... Rear surface, 9... Screw, 10... Top plate, 11... Top frame, 12...・Side member, 13・・Front member, 14・・Rear member, 15・・Top plate supporting member, 16・・Fixing member, 17・・Notch, 18, 21・・Screw hole.

Claims (1)

A box main body having a front surface, both left and right side surfaces, and a back surface and opening at least on the upper surface, and a top plate closing the upper surface opening of the box main body,
An upper frame formed by assembling a front side member, a rear side member, and left and right side side members in a rectangular frame shape is fixed to the upper end of the box body, and fixing tools are attached to the front side member and the rear side member, respectively. And a box body for storing electrical equipment, in which a belt-shaped top plate support member long in the front-rear direction is laid across both the fixtures,
Where the notch having a predetermined width in the left-right direction is provided at a portion of the fixture that protrudes inwardly of the upper frame, while screw holes are provided on both left and right sides of the notch,
On the lower surface of the top plate supporting member, a reinforcing member formed by fixing metal plates bent in an L shape to each other back to back is provided in the front-rear direction, and the reinforcements at the front and rear ends of the top plate supporting member are provided. Screw holes are drilled on both left and right sides of the member,
The reinforcing member is located in the notch of the fixture, the screw hole of the top plate supporting member and the screw hole of the fixture are vertically aligned with each other, and then the upper surface opening is closed. The top plate, the top plate support member, and the fixture are integrated by placing the top plate on the box body and fastening screws at the screw holes. Box for equipment storage.

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