JP2010011694A - Method for fixing internal machine of power distribution panel for dwelling - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To inexpensively provide a method for fixing an internal machine of a power distribution panel for a dwelling, which can reduce the possibility of damage to an apparatus attached on an internal machine installing plate or a box body by preventing the internal machine installing plate from coming off the box body due to shaking of the power distribution panel for a dwelling in transportation or the like, and can prevent deterioration in the efficiency of assembling work. <P>SOLUTION: The power distribution panel includes: a box body having an opening portion on at least its front face; a door for covering the opening portion of the box body; and the internal machine installing plate fixed on the inside of the box body by screwing fixing screws, and having internal machine fixing hole formed by coupling a plurality of screw holes having different size. A coming-off stop portion is provided near a portion where the screw holes having different size of the internal machine fixing hole are coupled thereto. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、住宅用分電盤の内機固定構造に関するものである。   The present invention relates to an internal unit fixing structure of a residential distribution board.

従来、住宅用分電盤の内機固定構造には少なくとも前面に開口部を設けた箱体本体と、該箱体本体の前記開口部を被覆する扉体と、前記箱体本体内部に取り付けられる内機取付板とからなる分電盤において、前記内機取付板に設けられる内機固定穴に固定ネジを貫通させて前記箱体本体に螺合させる住宅用分電盤の内機固定構造がある。   Conventionally, an internal unit fixing structure of a residential distribution board is attached to a box body provided with an opening at least on the front surface, a door body covering the opening of the box body, and the box body. In the distribution board comprising an inner unit mounting plate, there is an inner unit fixing structure for a residential distribution panel in which a fixing screw is passed through an inner unit fixing hole provided in the inner unit mounting plate and screwed into the box body. is there.

しかしながら、内機取付板を箱体本体に取り付ける際には、基台に内機取付け板を乗せてから固定ネジによって固定していたため、内機取付板を取り外す必要が出てきた際には全ての固定ネジを取り外し、再び取り付ける作業が必要となるため、作業効率を低下させる恐れがあるという欠点があった。又、その際には固定ネジを取り外すため紛失する恐れがあるという欠点があった。   However, when attaching the inner unit mounting plate to the box body, the inner unit mounting plate was placed on the base and then fixed with the fixing screw. Since it is necessary to remove and reattach the fixing screw, there is a drawback that the work efficiency may be lowered. In addition, in this case, there is a drawback that the fixing screw is removed, so that it may be lost.

この改善策として、特許文献１に記載されているような、箱体本体２１内部にに主幹ブレーカ、分岐ブレーカ等の電気機器を載置した内機取付板２５を設け、電気機器を結線してなる住宅用分電盤の基台構造であって、内機取付板２５には大きさの異なるネジ穴を連結させた略ダルマ状の内機固定穴２３を設け、初めから基台に一定量螺合された固定ネジ２２に内機固定穴２３の大きいネジ穴を通し、そのまま小さいネジ穴に移し内機取付板２５の位置を調整し、固定ネジ２２を締付けることで内機取付板２５を固定する住宅用分電盤の内機固定構造がある。
特開２００７−３１２５６１ As an improvement measure, as described in Patent Document 1, an internal unit mounting plate 25 in which an electrical device such as a main breaker or a branch breaker is placed inside the box body 21 is provided, and the electrical device is connected. In the housing distribution board base structure, the inner machine mounting plate 25 is provided with a substantially dharma-shaped inner machine fixing hole 23 in which screw holes of different sizes are connected, and a fixed amount is provided on the base from the beginning. A large screw hole of the internal unit fixing hole 23 is passed through the screwed fixing screw 22, moved to a small screw hole as it is, the position of the internal unit mounting plate 25 is adjusted, and the internal unit mounting plate 25 is tightened by tightening the fixing screw 22. There is an internal unit fixing structure for residential distribution boards to be fixed.
JP2007-31561

しかしながら、特許文献１に記載の発明では搬送等によって住宅用分電盤が揺れた際に、大きさの異なるネジ穴を連結させて略ダルマ状にした内機固定穴の大きいネジ穴から内機取付板が外れ、内機取付板に取り付けられた機器が破損する恐れがあるという欠点があり、又、同様に箱体本体が破損する恐れがあるという欠点がある。   However, in the invention described in Patent Document 1, when the residential distribution board shakes due to transportation or the like, the screw hole having a large inner machine fixing hole is formed by connecting screw holes of different sizes into a substantially dharma shape. There is a drawback that the mounting plate may come off and the device attached to the inner unit mounting plate may be damaged, and there is also a disadvantage that the box body may be similarly damaged.

このため、本発明によって解決しようとする課題は、搬送等によって住宅用分電盤が揺れることで内機取付板が箱体本体から外れ、内機取付板に取り付けられた機器や箱体本体を破損する恐れを少なくし、且つ、組立作業効率の低下を防ぐことのできる住宅用分電盤の内機固定構造を少ないコストで提供することにある。   For this reason, the problem to be solved by the present invention is that the housing distribution board is shaken by transportation or the like, so that the inner unit mounting plate is detached from the box body, and the device or box body mounted on the inner unit mounting plate is removed. An object of the present invention is to provide an internal unit fixing structure for a residential distribution board that can reduce the risk of breakage and prevent a reduction in assembly work efficiency at a low cost.

上記した課題を解決するためになされた本発明の住宅用分電盤の内機固定構造は、少なくとも前面に開口部を備えた箱体本体と箱体本体の開口部を被覆する扉体と固定ネジを螺合させて箱体本体内部に固定されると共に大きさの異なる複数のネジ穴を連結させてなる内機固定穴を設けた内機取付板とからなる分電盤において、内機固定穴の大きさの異なるネジ穴が連結された近傍に抜止部を設けた。   In order to solve the above-described problems, an internal unit fixing structure for a residential distribution board according to the present invention includes a box body provided with at least an opening on the front surface and a door body covering the opening of the box body. In a distribution board consisting of an internal unit mounting plate that is fixed inside the box body by screwing screws and connecting internal screw holes that connect multiple screw holes of different sizes. A retaining portion was provided in the vicinity where screw holes having different hole sizes were connected.

本発明の住宅用分電盤の内機固定構造によれば、内機取付板に設けた大きさの異なる複数のネジ穴を連結させてなる内機固定穴の、ネジ穴が連結された近傍に抜止部を設けた構造であるため、搬送等の揺れによって内機取付板がずれ、大きいネジ穴から外れることで内機取付板が箱体本体から外れ、内機取付板に取り付けられた機器や箱体本体を破損する恐れを少なくすることが可能である。   According to the internal unit fixing structure of the residential distribution board of the present invention, the vicinity of the internal unit fixing hole formed by connecting a plurality of screw holes of different sizes provided in the internal unit mounting plate to which the screw hole is connected Since the inner unit mounting plate is displaced due to shaking during transportation, etc., and is removed from the large screw hole, the inner unit mounting plate is detached from the box body and attached to the inner unit mounting plate. It is possible to reduce the risk of damaging the box body.

又、内機取付板に設けた大きさの異なる複数のネジ穴を連結させてなる内機固定穴であるため、住宅用分電盤の組立作業時には固定ネジは箱体本体に螺合された状態のままで作業を行い、内機取付板の大きいネジ穴を通して取り付けを行うことができるため、固定ネジの取り外し作業を少なくすることが可能であるため、作業効率の向上が図れる。又、固定ネジは取り付けたままであるため、固定ネジを紛失する恐れを少なくすることが可能である。   In addition, since the inner unit fixing hole is formed by connecting a plurality of screw holes of different sizes provided in the inner unit mounting plate, the fixing screw was screwed into the box body during the assembly work of the residential distribution board. Since the work can be performed in the state and can be attached through the large screw hole of the internal unit mounting plate, it is possible to reduce the work of removing the fixing screw, so that the work efficiency can be improved. Further, since the fixing screw is still attached, the possibility of losing the fixing screw can be reduced.

又、本発明の住宅用分電盤の内機固定構造は、内機取付板に設けた大きさの異なる複数のネジ穴を連結させてなる内機固定穴の、ネジ穴が連結された近傍に抜止部を設けた構造によって、搬送等の揺れによって内機取付板がずれる恐れを少なくすることが可能となるため、全ての内機固定穴に対して抜止部を設けることによって組立作業の効率向上を図ることが可能である。   Further, the internal unit fixing structure of the residential distribution board according to the present invention is an inner unit fixing hole formed by connecting a plurality of screw holes of different sizes provided in the inner unit mounting plate, in the vicinity of the screw hole being connected. Since the structure with the retaining parts on the inner surface makes it possible to reduce the possibility that the inner unit mounting plate will be displaced due to shaking during transportation, etc., the efficiency of assembly work can be improved by providing the retaining parts for all the inner unit fixing holes. It is possible to improve.

本発明では、住宅用分電盤の内機固定構造を内機取付板の少ないコストで可能にした。   In the present invention, the internal unit fixing structure of the residential distribution board is made possible with a low cost of the internal unit mounting plate.

以下、本発明の実施の形態を説明する。
少なくとも前面に開口部を備えた箱体本体１と箱体本体１の開口部を被覆する扉体と固定ネジ２、１２を螺合させて箱体本体１内部に固定されると共に大きさの異なる複数のネジ穴を連結させてなる内機固定穴３、１３を設けた内機取付板５、１５とからなる分電盤において、内機固定穴３、１３の大きさの異なるネジ穴が連結された近傍に抜止部４、１４を設けた。内機固定穴３、１３は大きさの異なる二つのネジ穴を連結させて略ダルマ状に形成され、括れ近傍の左右に凸型に形成される抜止部４、１４を設けた。これにより、組立作業時には固定ネジ２、１２は箱体本体１に螺合された状態のままで作業を行い、内機取付板５、１５の大きいネジ穴を通して取り付けを行うことができるため、固定ネジ２、１２の取り外し作業を少なくすることが可能であるため、作業効率の向上が図れる。又、固定ネジ２、１２は取り付けたままであるため、固定ネジ２、１２を紛失する恐れを少なくすることが可能である。又、搬送等の揺れによって内機取付板５、１５がずれ、大きいネジ穴から抜けることで内機取付板５、１５が箱体本体１から外れ、内機取付板５、１５に取り付けられた機器や箱体本体１を破損する恐れを少なくすることが可能である。 Embodiments of the present invention will be described below.
The box body 1 having an opening at least on the front surface, the door covering the opening of the box body 1 and the fixing screws 2 and 12 are screwed together to be fixed inside the box body 1 and have different sizes. In the distribution board comprising the inner unit mounting plates 5 and 15 provided with the inner unit fixing holes 3 and 13 formed by connecting a plurality of screw holes, screw holes having different sizes of the inner unit fixing holes 3 and 13 are connected. In the vicinity, the retaining portions 4 and 14 are provided. The inner machine fixing holes 3 and 13 are formed in a substantially dharma shape by connecting two screw holes of different sizes, and provided with retaining portions 4 and 14 formed in convex shapes on the left and right in the vicinity of the constriction. As a result, the fixing screws 2 and 12 can be operated while being screwed into the box body 1 during assembly work, and can be attached through the large screw holes of the inner unit mounting plates 5 and 15. Since the removal work of the screws 2 and 12 can be reduced, the work efficiency can be improved. Further, since the fixing screws 2 and 12 remain attached, it is possible to reduce the possibility of losing the fixing screws 2 and 12. Further, the inner unit mounting plates 5 and 15 are displaced due to the shaking of the conveyance and the like, and the inner unit mounting plates 5 and 15 are detached from the box body 1 by being removed from the large screw holes, and are attached to the inner unit mounting plates 5 and 15. It is possible to reduce the risk of damaging the device and the box body 1.

以上のように、本発明の住宅用分電盤の内機固定構造は、搬送等の揺れによって内機取付板が箱体本体から外れ、内機取付板に取り付けられた機器や箱体本体の破損を防ぎ、住宅用分電盤の組立作業効率を低下させる恐れのない住宅用分電盤の内機固定構造を提供できるものである。   As described above, the internal machine fixing structure of the residential distribution board according to the present invention is such that the internal machine mounting plate is detached from the box body by shaking such as transportation, and the equipment and the box body mounted on the internal machine mounting plate It is possible to provide an internal unit fixing structure for a residential distribution board that prevents damage and does not reduce the assembly work efficiency of the residential distribution board.

本発明の実施例１における、住宅用分電盤の正面図である。It is a front view of the distribution board for houses in Example 1 of the present invention. 本発明の実施例１における、図１のＡ部拡大図である。It is the A section enlarged view of FIG. 1 in Example 1 of this invention. 従来技術における住宅用分電盤の内機固定構造の正面図である。It is a front view of the internal unit fixing structure of the distribution board for houses in a prior art.

符号の説明Explanation of symbols

１、２１ 箱体本体
２、１２、２２ 固定ネジ
３、１３、２３ 内機固定穴
４、１４ 抜止部
５、１５、２５ 内機取付板 1,21 Box body 2,12,22 Fixing screw 3,13,23 Internal machine fixing hole 4,14 Detachment part 5,15,25 Internal machine mounting plate

Claims (1)

少なくとも前面に開口部を備えた箱体本体と該箱体本体の前記開口部を被覆する扉体と固定ネジを螺合させて前記箱体本体内部に固定されると共に大きさの異なる複数のネジ穴を連結させてなる内機固定穴を設けた内機取付板とからなる分電盤において、前記内機固定穴の大きさの異なる前記ネジ穴が連結された近傍に抜止部を設けたことを特徴とする住宅用分電盤の内機固定構造。   A box body having an opening at least on the front surface, a door body covering the opening of the box body, and a fixing screw are screwed together to be fixed inside the box body and a plurality of screws having different sizes In a distribution board comprising an inner unit fixing plate provided with an inner unit fixing hole formed by connecting holes, a retaining portion is provided in the vicinity of the screw hole having a different size of the inner unit fixing hole being connected. An internal unit fixing structure for a residential distribution board characterized by

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