JP6209405B2 - How to assemble the cabinet - Google Patents

Description

The present invention relates to a method for assembling a cabinet for storing, for example, a distribution board or a distribution board.

Conventionally, as a cabinet for storing, for example, a distribution board or a distribution board, as described in Patent Document 1, a cabinet body that closes the other five surfaces except the front surface, and a front opening of the cabinet body are provided. What is provided with the door body which opens and closes is known.
Further, in forming such a cabinet body, the back plate, the top plate, the bottom plate, and the pair of side plates are separately formed and are often formed by welding and integrating these plate bodies. . And when welding plate bodies, as shown in FIG.4 (b), the state which made the end surface of one plate body contact | abut to the inner surface side of the other plate body (For example, the end surface of the top plate 31 is used. In the state of being in contact with the inner surface side of the side plate 32), the plate bodies were integrated by fillet welding (hatched portion in FIG. 4B).

JP 2008-172900 A

  However, when the back plate, the top plate, the bottom plate, and the pair of side plates are integrated by the fillet welding, the contact surface of the top plate 31 on the side plate 32 in FIG. There is a problem that the effective space in the internal space of the cabinet body is reduced because it is necessary to secure a large area as the location becomes a mating surface. Moreover, since it is hard to apply | coat to the peripheral part of a welding location, especially the end surface of the plate exposed to the outer surface of a cabinet main body, there also exists a problem that rust will generate | occur | produce from the said end surface.

Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to provide a method for assembling a cabinet that can reduce the area to be secured as a mating surface and hardly cause rust on the outer surface of the cabinet body. It is.

In order to achieve the above object, the present invention is formed by bending a single plate-like member integrally having a back plate portion, a top plate portion, a bottom plate portion, and a pair of side plate portions, and excluding the front surface. A cabinet assembling method comprising a cabinet body that closes a surface, and a front door that opens and closes a front opening of the cabinet body, wherein another plate portion is attached to one plate portion with respect to the cabinet body. bending fold, while the end surface of one of said plate portion by a predetermined amount exposed, a first step to being in contact with the inner surface of the outer edge of the other of the plate portion on the one end face of the person There line laser welding along the contact portion, and executes a second step it covering the end faces of both the plate portions at the welding location.

  According to the present invention, the cabinet body is formed in a single plate shape integrally including a back plate portion, a top plate portion, a bottom plate portion, and a pair of side plate portions, and another plate portion with respect to one plate portion. And the contact portion between the plate portions was welded. For welding of the contact portion, the end portion of one plate portion is exposed to a predetermined amount, and the contact portion is in contact with the inner surface side of the outer edge portion of the other plate portion on the one end surface. Welding was performed along the edges of the two plates, and the end surfaces of both plate portions were covered with the welded portions. Therefore, compared with the conventional cabinet, the area to be secured as the mating surface at the welding location can be reduced, and the effective space in the internal space of the cabinet body can be increased. In addition, since the end surfaces of both plate portions are not exposed because they are covered with the welded portion, and the welded portion has an R shape, it is easy to paint on the welded portion and its peripheral portion. The situation where rust occurs can be suppressed. Furthermore, compared with what prepares all the board parts separately, a welding location can be decreased and an assembly operation can be simplified.

It is perspective explanatory drawing which showed the external appearance of the cabinet. It is perspective explanatory drawing which showed the cabinet of the state which opened the front door. It is explanatory drawing which showed the state which expand | deployed the cabinet main body. It is explanatory sectional drawing which showed the welding location, (a) has shown the welding location in this embodiment, (b) has shown the conventional welding location, respectively.

  Hereinafter, the cabinet which becomes one embodiment of the present invention is explained in detail based on a drawing.

  FIG. 1 is an explanatory perspective view showing the appearance of the cabinet 1, and FIG. 2 is an explanatory perspective view showing the cabinet 1 with the front door 3 opened.

  The cabinet 1 includes a cabinet body 2 that closes the other five surfaces except the front surface, and a front door 3 that opens and closes the front opening 4 of the cabinet body 2. Electrical devices (not shown) such as distribution boards and switchboards can be stored. The front door 3 is hinged to the cabinet body 2 so as to be rotatable about the vertical direction, and a seal member 5 for preventing water from entering the cabinet body 2 is attached to the rear surface. It has been.

Here, the cabinet body 2 which is a main part of the present invention will be described with reference to FIG. FIG. 3 is an explanatory view showing a state where the cabinet body 2 is developed.
The cabinet main body 2 is a metal plate-like member, and includes a back plate portion 11 positioned substantially at the center, a top plate portion 12 protruding upward from the back plate portion 11, and protruding downward from the back plate portion 11. It is formed in a single plate shape having a bottom plate portion 13 and a pair of side plate portions 14 and 14 protruding from the back plate portion 11 to the left and right sides. Note that bent portions 20a, 20b, and 20c that are bent and raised are provided on the outer edge portions of the top plate portion 12, the bottom plate portion 13, and the side plate portions 14 and 14, respectively. The bent portions 20a to 20c become a series when the cabinet body 2 is assembled as will be described later, and as shown in FIG. 2, a draining portion 20 surrounding the front opening 4 of the cabinet body 2 is formed. Yes.

  The cabinet body 2 bends the top plate portion 12, the bottom plate portion 13, and the side plate portions 14, 14 forward with respect to the back plate portion 11, and also contacts the back plate portion 12 with the side plate portions 14, 14. The contact portion 15 (shown in FIGS. 1 and 2) and the contact portion 15 between the bottom plate portion 13 and the side plate portions 14 and 14 are assembled by welding. In this welding, as shown in FIG. 4 (a), while the end surface of one plate portion is exposed about half, the inner surface side of the outer edge portion of the other plate portion is brought into contact with the one end surface. (For example, a state in which the end surface of the side plate portion 14 is exposed about half and the inner surface side of the outer edge portion of the top plate portion 12 is in contact with the end surface of the side plate portion 14). And laser welding is performed along the applicable contact part 15, and the end surface of both board parts is covered with a welding location (hatching part of Fig.4 (a)).

  According to the cabinet 1 having the above configuration, the cabinet body 2 is formed in a single plate shape having the back plate portion 11, the top plate portion 12, the bottom plate portion 13, and the side plate portions 14 and 14. And the said cabinet main body 2 bend | folds the top-plate part 12, the bottom-plate part 13, and the side-plate parts 14 and 14 with respect to the backplate part 11, and the contact part 15 of the top-plate part 12 and the side-plate parts 14 and 14, And it is assembled by welding the contact part 15 of the baseplate part 13 and the side-plate parts 14 and 14. FIG. For welding of the contact portion 15, the end surface of one plate portion is exposed about half and the inner surface side of the outer edge portion of the other plate portion is contacted on the one end surface. Laser welding was performed along the portion 15 so that the end faces of both plate portions were covered with the welded portion. Therefore, compared with the conventional cabinet, the area to be secured as the mating surface at the welded portion can be reduced (in the above embodiment, the area of the mating surface can be reduced to about half of the conventional size), and the cabinet The effective space in the internal space of the main body 2 can be increased. In addition, since the end surfaces of both plate portions are not exposed because they are covered with the welded portion, and the welded portion has an R shape, it is easy to paint on the welded portion and its peripheral portion. The situation where rust occurs can be suppressed. Furthermore, the cabinet body 2 is formed in a single plate shape having the back plate portion 11, the top plate portion 12, the bottom plate portion 13, and the side plate portions 14 and 14, so that all the plate portions are separately prepared. Compared with this, it is possible to reduce the number of welding locations, and to simplify the assembling work.

  The cabinet according to the present invention is not limited to the aspect of the embodiment described above, and is necessary for the overall configuration of the cabinet as well as the shape of the cabinet body and the like without departing from the spirit of the present invention. It can be changed as appropriate according to the situation.

For example, in the above-described embodiment, the cabinet body is formed such that the top plate portion, the bottom plate portion, and the side plate portion protrude from the back plate portion, but the back plate portion, for example, around the top plate portion, and It is also possible to form the side plate portion so that the bottom plate portion protrudes from the back plate portion, and if it is a single plate having a back plate portion, a top plate portion, a bottom plate portion, and a side plate portion, the cabinet body The shape of can be changed and designed as appropriate.
Further, in the above-described embodiment, the contact portion is in a state in which the end surface of one plate portion is exposed about half and the inner surface side of the outer edge portion of the other plate portion is contacted on the one end surface. The degree of exposure can be appropriately changed according to the thickness of the plate portion, the required strength, and the like.

  1 ··· Cabinet, 2 · · Cabinet body, 3 · · Front door, 4 · · Front opening, 11 · · Back plate portion, · · · Top plate portion, 13 · · Bottom plate portion, 14 · · Side plate portion, 15 · · · ..Contact part.

Claims (1)

A cabinet main body formed by bending a single plate-like member integrally having a back plate portion, a top plate portion, a bottom plate portion, and a pair of side plate portions, and closing the other five surfaces excluding the front surface; A method of assembling a cabinet with a front door that opens and closes a front opening ,
For the cabinet body,
Bending Fold other plate portion to one of the plate portion, abuts against the inner surface of one of while a predetermined amount exposing the end face of the plate portion, the outer edge portion of the other of the plate portion on the one end face of the A first step to make the state
The have a row of laser welding along the abutting section, a second step of it covering the end faces of both the plate portion at welding points
A method for assembling a cabinet characterized in that

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