JP6209405B2 - How to assemble the cabinet - Google Patents

How to assemble the cabinet Download PDF

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JP6209405B2
JP6209405B2 JP2013194390A JP2013194390A JP6209405B2 JP 6209405 B2 JP6209405 B2 JP 6209405B2 JP 2013194390 A JP2013194390 A JP 2013194390A JP 2013194390 A JP2013194390 A JP 2013194390A JP 6209405 B2 JP6209405 B2 JP 6209405B2
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plate portion
cabinet
plate
cabinet body
welding
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典夫 高橋
典夫 高橋
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河村電器産業株式会社
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本発明は、たとえば分電盤や配電盤等を収納するためのキャビネットの組み立て方法に関するものである。 The present invention relates to a method for assembling a cabinet for storing, for example, a distribution board or a distribution board.

従来、たとえば分電盤や配電盤等を収納するためのキャビネットとしては、特許文献１に記載されているように、前面を除く他の５面を閉塞するキャビネット本体と、当該キャビネット本体の前面開口を開閉する扉体とを備えてなるものが知られている。
また、そのようなキャビネット本体を形成するにあたっては、背板、天板、底板、及び一対の側板を夫々別途成形するとともに、それらの板体を溶接して一体化することにより形成することが多い。そして、板体同士を溶接するにあたっては、図４（ｂ）に示すように、一方の板体の端面を他方の板体の内面側に当接させた状態（たとえば、天板３１の端面を側板３２の内面側に当接させた状態）で、板体同士を隅肉溶接（図４（ｂ）のハッチング部）して一体化していた。 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).

特開２００８−１７２９００号公報JP 2008-172900 A

しかしながら、上記隅肉溶接により背板、天板、底板、及び一対の側板を一体化しようとすると、溶接箇所となる合わせ面（図４（ｂ）では、側板３２における天板３１のの当接箇所が合わせ面となる）として広い面積を確保する必要があるため、キャビネット本体の内部空間における有効スペースが減少するという問題がある。また、溶接箇所の周辺部、特にキャビネット本体の外面に露出した板体の端面には塗装がのりにくいため、当該端面から錆が発生してしまうという問題もある。   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.

そこで、本発明は、上記問題に鑑みなされたものであって、合わせ面として確保する面積を削減することができ、キャビネット本体の外面に錆も発生しにくいキャビネットの組み立て方法を提供しようとするものである。 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.

上記目的を達成するために、本発明は、背板部、天板部、底板部、及び一対の側板部を一体的に有する一枚板状の部材を折り曲げてなり、前面を除く他の５面を閉塞するキャビネット本体と、前記キャビネット本体の前面開口を開閉する前扉とを備えたキャビネットの組み立て方法であって、前記キャビネット本体に対して、一の板部に対して他の板部を折り曲げ、一方の前記板部の端面を所定量露出させつつ、当該一方の端面上に他方の前記板部の外縁部における内面側を当接させた状態とする第１工程と、前記当接部に沿ってレーザー溶接を行い、両前記板部の端面を溶接箇所で覆う第２工程とを実行することを特徴とする。 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.

本発明によれば、キャビネット本体を、背板部、天板部、底板部、及び一対の側板部を一体的に有する一枚板状に形成し、一の板部に対して他の板部を折り曲げるとともに、板部同士の当接部を溶接することによって形成した。また、当接部の溶接については、一方の板部の端面を所定量露出させつつ、当該一方の端面上に他方の板部の外縁部における内面側を当接させた状態で、当接部に沿って溶接を行い、両板部の端面を溶接箇所で覆った。したがって、従来のキャビネットと比べると、溶接箇所において合わせ面として確保する面積を削減することができ、キャビネット本体の内部空間における有効スペースを増大することができる。また、両板部の端面が溶接箇所に覆われて露出しない上に溶接箇所がＲ状となることから、当該溶接箇所及びその周辺部に塗装がのりやすく、従来の如く溶接箇所の周辺部から錆が発生するという事態を抑制することができる。さらに、全ての板部を別個に準備するものと比べて溶接箇所を少なくすることができ、組み立て作業の簡易化を図ることができる。   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.

キャビネットの外観を示した斜視説明図である。It is perspective explanatory drawing which showed the external appearance of the cabinet. 前扉を開いた状態のキャビネットを示した斜視説明図である。It is perspective explanatory drawing which showed the cabinet of the state which opened the front door. キャビネット本体を展開した状態を示した説明図である。It is explanatory drawing which showed the state which expand | deployed the cabinet main body. 溶接箇所を示した説明断面図であり、（ａ）は本実施形態における溶接箇所を、（ｂ）は従来の溶接箇所を夫々示している。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.

以下、本発明の一実施形態となるキャビネットについて、図面にもとづき詳細に説明する。   Hereinafter, the cabinet which becomes one embodiment of the present invention is explained in detail based on a drawing.

図１は、キャビネット１の外観を示した斜視説明図であり、図２は、前扉３を開いた状態のキャビネット１を示した斜視説明図である。   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.

キャビネット１は、前面を除く他の５面を閉塞するキャビネット本体２と、キャビネット本体２の前面開口４を開閉する前扉３とを備えてなるものであって、キャビネット本体２の内部空間には、分電盤や配電盤等の図示しない電気機器を収納可能となっている。また、前扉３は、上下方向を軸として回動自在にキャビネット本体２に蝶着されており、その後面には、キャビネット本体２への水の浸入等を防止するためのシール部材５が取り付けられている。   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.

ここで、本発明の要部となるキャビネット本体２について、図３をもとに説明する。図３は、キャビネット本体２を展開した状態を示した説明図である。
キャビネット本体２は、金属製の板状部材であって、略中心に位置する背板部１１と、背板部１１から上方へ突出する天板部１２と、背板部１１から下方へ突出する底板部１３と、背板部１１から左右両側方へ突出する一対の側板部１４、１４とを有する一枚板状に成形されてなる。なお、天板部１２、底板部１３、及び側板部１４、１４の外縁部には、曲げ起こしたり折り返したりした折り曲げ部２０ａ、２０ｂ、２０ｃが夫々設けられている。当該折り曲げ部２０ａ〜２０ｃは、後述の如くキャビネット本体２を組み立てた際に一連となり、図２に示す如く、キャビネット本体２の前面開口４を囲むような水切り部２０が形成されるようになっている。 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.

そして、上記キャビネット本体２は、背板部１１に対し、天板部１２、底板部１３、及び側板部１４、１４を夫々前側へ折り曲げるとともに、背板部１２と側板部１４、１４との当接部１５（図１や図２に示す）、及び底板部１３と側板部１４、１４との当接部１５を夫々溶接することによって組み立てられる。この溶接にあたっては、図４（ａ）に示すように、一方の板部の端面を半分程度露出させつつ、当該一方の端面上に他方の板部の外縁部における内面側を当接させた状態（たとえば、側板部１４の端面を半分程度露出させるような状態で、側板部１４の端面上に天板部１２の外縁部における内面側を当接させた状態）とする。そして、該当接部１５に沿ってレーザー溶接を行い、両板部の端面を溶接箇所（図４（ａ）のハッチング部）により覆う。   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)).

以上のような構成を有するキャビネット１によれば、キャビネット本体２が、背板部１１、天板部１２、底板部１３、及び側板部１４、１４を有する一枚板状に形成されている。そして、当該キャビネット本体２は、背板部１１に対して、天板部１２や底板部１３、側板部１４、１４を折り曲げ、天板部１２と側板部１４、１４との当接部１５、及び底板部１３と側板部１４、１４との当接部１５を溶接することにより組み立てられる。また、当接部１５の溶接については、一方の板部の端面を半分程度露出させつつ、当該一方の端面上に他方の板部の外縁部における内面側を当接させた状態とし、該当接部１５に沿ってレーザー溶接を行い、両板部の端面を溶接箇所により覆うようにした。したがって、従来のキャビネットと比べると、溶接箇所において合わせ面として確保する面積を削減することができる（上記実施形態では、合わせ面の面積を従来の略半分とすることができる）ことになり、キャビネット本体２の内部空間における有効スペースを増大することができる。また、両板部の端面が溶接箇所に覆われて露出しない上に溶接箇所がＲ状となることから、当該溶接箇所及びその周辺部に塗装がのりやすく、従来の如く溶接箇所の周辺部から錆が発生するという事態を抑制することができる。さらに、キャビネット本体２を、背板部１１、天板部１２、底板部１３、及び側板部１４、１４を有する一枚板状に形成したことで、全ての板部を別個に準備するものと比べて溶接箇所を少なくすることができ、組み立て作業の簡易化を図ることができる。   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.

なお、本発明に係るキャビネットは、上記実施形態の態様に何ら限定されるものではなく、キャビネットの全体的な構成は勿論、キャビネット本体の形状等について、本発明の趣旨を逸脱しない範囲で、必要に応じて適宜変更することができる。   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.

たとえば、上記実施形態では、キャビネット本体を、背板部を中心に、天板部、底板部、及び側板部が突出してなるものとしているが、たとえば天板部を中心に、背板部、及び側板部が突出し、背板部から底板部が突出するように形成することも可能であり、背板部、天板部、底板部、及び側板部を有する一枚板状であるなら、キャビネット本体の形状は適宜変更設計可能である。
また、当接部において、上記実施形態では、一方の板部の端面を半分程度露出させつつ、当該一方の端面上に他方の板部の外縁部における内面側を当接させた状態としているが、どの程度露出させるかは、板部の厚みや求められている強度等に応じて適宜変更可能である。 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・・キャビネット、２・・キャビネット本体、３・・前扉、４・・前面開口、１１・・背板部、１２・・天板部、１３・・底板部、１４・・側板部、１５・・当接部。   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)

背板部、天板部、底板部、及び一対の側板部を一体的に有する一枚板状の部材を折り曲げてなり、前面を除く他の５面を閉塞するキャビネット本体と、前記キャビネット本体の前面開口を開閉する前扉とを備えたキャビネットの組み立て方法であって、
前記キャビネット本体に対して、
一の板部に対して他の板部を折り曲げ、一方の前記板部の端面を所定量露出させつつ、当該一方の端面上に他方の前記板部の外縁部における内面側を当接させた状態とする第１工程と、
前記当接部に沿ってレーザー溶接を行い、両前記板部の端面を溶接箇所で覆う第２工程と
を実行することを特徴とするキャビネットの組み立て方法。 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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