JP2007159232A - Attachment for home distribution board - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an attachment for a home distribution board which can enhance work efficiency by facilitating the lead-in work of wire regardless of the exposed position of the wire from the wall surface at the fixing place, i.e. the position of an opening in the wall surface, when a work for replacing the home distribution board is carried out. <P>SOLUTION: The attachment for home distribution board provided between a home distribution board and the wall surface for fixing the home distribution board is provided with an opening within such a range as causing no hindrance to the lead-in work of wire. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

The present invention relates to an attachment device for a distribution board used for homes and the like, and more particularly, to an attachment device for easily performing wiring work in the construction of replacing an existing distribution board with a new distribution board.

As shown in Patent Document 1, for example, improvement in workability of wire connection to a breaker installed in a distribution board is known. In this example, the connection method is improved in order to facilitate the operation of connecting the electric wire drawn into the casing of the distribution board to the main breaker.

Now, the improvement of workability of wire connection has become an increasingly important issue in the homes due to the recent all electrification work. In addition, when an existing residential distribution board is replaced with a new residential distribution board due to reasons such as an increase or expansion of the number of branch circuits due to an increase in load equipment or the end of the life of a residential distribution board First, the existing distribution board for housing will be removed and a new distribution board for housing will be installed. At this time, in most cases, the construction method is used in which the existing electric wires exposed from the wall surface are reused as they are after removing the existing residential distribution board.

Japanese Patent Application Laid-Open No. 2004-166385 “0002”, “0007”

However, when pulling in the wires when installing a new residential distribution board, depending on the exposed location of the wires from the wall surface, it may be difficult to pull the wires. Usually, on the surface of the distribution board attached to the wall (referred to as the wall surface side), there is provided a lead-in portion (1011 in FIGS. 12 and 13) for drawing an electric wire into the distribution board. It constructs so that the opening part 1001 used as the penetration part of an electric wire may be provided in the position corresponding to the drawing-in part 1011. FIG. Now, at the time of distribution board replacement work, the position of the opening 1001 is the same place as the electric wire drawing-in part 1011 of the existing distribution board for residential use and the electric wire drawing-in part of the new distribution board for residential use. However, as shown in FIG. 14 and FIG. 15, the position of the opening 1001 provided on the wall surface and the new distribution board for homes can be used. If the wire lead-in part 1012 is provided at a different position, when the wire is drawn into the distribution board, it may interfere with the wall surface of the distribution board and may not be able to be drawn physically, When an electric wire is extended from the opening on the wall side to the electric wire lead-in part of the distribution board, a load is applied to the electric wire, and an excessive load is applied to the connected connection terminal part, possibly leading to damage to the terminal part. There was a problem.

In addition, depending on the contractor, the location of the opening 1001 is suitable after going to the replacement site of the residential distribution board and confirming the position of the opening 10001 on the wall surface (exposed position from the wall surface of the electric wire). It takes time to arrange and obtain a new residential distribution board for replacement, because it is necessary to investigate the model number of the residential distribution board to be placed and place an order. As a result, there was a problem that the delivery time until the completion of construction was taken and it was inefficient.

Therefore, the present invention has been made in view of such problems,
When replacing residential distribution boards, it is possible to easily carry out the work of drawing in the wires regardless of the exposed position of the wires from the wall surface at the installation location, that is, the position of the opening of the wall surface. It aims at providing the attachment for distribution boards for houses which can be improved.

In order to achieve the above object, the invention according to claim 1 is characterized in that an opening is provided in a range that does not hinder the work of drawing in the electric wire, and a wall surface for mounting the residential distribution board and the residential distribution board. The attachment for the distribution board for houses provided between is provided.

According to such a configuration, when replacing the distribution board for homes, the wire is easily pulled in regardless of the exposed position of the wire from the wall surface at the installation location, that is, the position of the opening of the wall surface. Thus, it is possible to provide an attachment for a distribution board for a house that can improve the work efficiency.

Further, the attachment is provided with a fitting portion for fitting and positioning in a hole provided in the residential distribution board when the attachment is attached to the residential distribution board,
You may comprise as a characteristic that the hole for penetratingly inserting the screw at the time of attaching to a wall surface was provided.

As a result, when attaching the attachment to the distribution board, it can be easily aligned and can be aligned at a predetermined position. Attachments can be attached.

Further, the attachment may be configured by providing a residential distribution board and a screwing hole for fixing the attachment by screwing.

As a result, it is possible to improve the mounting strength when mounting the residential distribution board and attachment.

In addition, the attachment is on the attachment surface side of the attachment with the residential distribution board, and the attachment has a substantially peripheral portion with a predetermined recess provided on the wall surface side of the residential distribution board. You may comprise as a characteristic that the engaging part to match is provided.

As a result, it is possible to prevent warping of the attachment body attached in a form that is sandwiched between the distribution board for the house and the wall surface, to improve the attachment strength, and to attach it in an attractive manner. be able to.

The position of the hole for penetrating and inserting the screw when attaching to the wall surface provided in the attachment is as follows:
In a direction from the distribution board to the wall surface, the housing distribution board may be provided at a location where a position where a mounting screw to the original wall surface is provided is projected.

As a result, the distribution board for housing and the attachment can be attached more firmly, and the screwing holes are made common, so that the work efficiency of attachment to the wall surface during construction can be further improved.

According to the present invention, when replacing a distribution board for a house, it is possible to easily perform the drawing-in of the electric wire regardless of the exposed position of the electric wire from the wall surface at the installation location, that is, the position of the opening of the wall surface. It is possible to provide an attachment for a distribution board for a house that can be improved and work efficiency can be improved.

Below, the attachment of the distribution board for houses which concerns on embodiment of this invention is demonstrated in detail, referring drawings.

FIG. 1 is a plan view of an attachment of a residential distribution board according to the present invention as viewed from the side on which the residential distribution board is attached (referred to as the front side), and FIG. 2 is from the side where the attachment is attached to the wall surface (referred to as the wall side). FIG. 3 is a perspective view seen from the front side of the attachment, FIG. 4 is a partially enlarged view of the perspective view, and FIG. 5 is a plan view of a main body 110 of a residential distribution board 100 attached to the attachment. FIG. 6 is a perspective view of a residential distribution board. In FIG. 5, reference numeral 111 is a main switch, 112 is a branch switch, 113 is an electric shock prevention cover formed of an insulating material, and 114 is passed through a screw used when attaching a residential distribution board to a wall surface. The daruma hole 115 is a screw hole used when the residential distribution board 100 is attached to the wall surface. FIG. 7 is an explanatory diagram when an attachment is attached to a wall surface, and FIG. 8 is an explanatory diagram when a residential distribution board is attached to the attachment. FIG. 9 is an explanatory diagram when the residential distribution board and the attachment are attached at the same time. 10 and 11 are explanatory diagrams for drawing in the electric wire from the wall surface.

In FIG. 1, the housing outer shape of the attachment 1 is formed to have substantially the same size as the wall surface side outer dimension of the housing body 110 of the distribution board 100, and an electric wire exposed from the wall surface is formed at a substantially central portion. An opening 2 for drawing in is provided. Further, the thickness of the attachment 1 from the front side to the wall surface is provided so as to absorb the bending of the drawn-in electric wire.

Reference numeral 3 denotes a fitting portion for fitting and fixing to the lower hole portion of the blind hole 114 provided in the residential distribution board 100 when attaching the attachment to the residential distribution board 100. One is provided. When performing the attaching operation, the fitting portion 3 can be easily positioned by fitting and fixing the fitting portion 3 in the lower hole portion of the dart hole 114 of the residential distribution board 100.

Reference numeral 4 denotes an attachment hole for attaching the attachment 1 to the wall surface, which is fixed by a screw or the like. A total of six mounting holes 4 are provided at substantially end portions of the housing. The number of the attachment holes 4 is preferably provided as appropriate. In addition, when the attachment 1 and the residential distribution board 100 are combined, the mounting hole 4 is attached to the wall surface of the residential distribution board 100 in a direction facing the wall surface from the front side. It is provided at a position where the hole 115 is projected onto the wall surface (a position corresponding to the attachment hole 115).

Reference numeral 5 denotes a screw hole for fixing the attachment 1 and the residential distribution board 100. After the fitting portion 3 is mounted and positioned with respect to the residential distribution board 100, the attachment 1 and the housing are screwed by screws passed through the upper hole portion of the saddle hole 114 provided in the residential distribution board 100. The distribution board 100 is attached and fixed. In addition, a plurality of holes are provided in the lower part of the attachment for attaching the distribution board.

Reference numeral 6 denotes an engaging portion with a residential distribution board provided at the front peripheral edge of the attachment 1, and is provided so as to slightly protrude from the housing front side. The engaging portion 6 engages with a predetermined recess provided on the rear surface of the residential distribution board. When the attachment 1 and the residential distribution board 100 are attached, the peripheral portion of the attachment 1 Prevents warping or bending in the outward direction due to the mounting force.

The predetermined recess refers to a slight step formed between a rib provided around the housing on the rear surface of the residential distribution board 100 and the inside of the rib.

7 is a rib provided from one side of the housing to the other in the vertical direction of the housing of the attachment 1. A plurality may be provided as necessary. Further, the rib 7 is cut off and removed if it is attached to the wall surface and interferes with the electric wire when the electric wire is drawn.

Next, the case where the attachment 1 is attached to the wall surface and the residential distribution board 100 will be described.

In FIG. 7, the figure at the time of attaching the attachment 1 to a wall surface is shown. In this case, after removing the residential distribution board that was previously installed, the attachment is installed at approximately the same position. At this time, the attachment hole 4 provided in the attachment 1 is fixed to the wall surface with screws. In addition, since the hole for passing the electric wire is provided in the wall surface, it is better to install it with the appropriate position. At this time, if the electric wire exposed from the hole in the wall surface is drawn out so as to match the position of the electric wire drawing hole of the residential distribution board to be installed later, the operation can be performed smoothly.

Next, as shown in FIG. 8, the residential distribution board 100 is attached to the attachment 1. In this case, first, positioning is performed so that the fitting portion 3 provided in the attachment 1 and the lower hole of the dart hole 114 of the residential distribution board 100 are aligned. Next, a screw is passed from the upper hole of the daruma hole 114 to the screwing hole 5 with the distribution board of the attachment, and fixed with screws.

Then, the wires drawn out from the openings in the wall surface are appropriately wired to the main switch 111 and the branch switch 112.

FIG. 9 shows a second example in which the residential distribution board and attachment are attached to the wall surface. In this case, after appropriately forming the electric wire exposed from the opening of the wall surface, the attachment 1 and the housing main body 110 of the residential distribution board are fitted to the fitting portion 3 provided on the attachment 1 and the housing. Positioning is performed so that the lower hole of the dart hole 114 of the housing main body 110 of the distribution board is aligned, and the position of the electric wire is taken into consideration, and is attached and fixed to the wall surface through a screw from the attachment hole 115. In addition, since the position of the attachment hole 4 provided in the attachment 1 corresponds to the position of the attachment hole 115, the housing main body 110 and the attachment 1 of the distribution board for houses are fixed by screwing to the wall surface. Both are fixed to the wall at once.

10 and 11 show the state in which the attachment 1 and the residential distribution board 100 are attached to the wall surface from the side, and FIG. 10 shows that the opening of the wall surface is substantially the same as the wire drawing hole of the residential distribution board. The case where it is provided in the same position is shown, and FIG. 11 shows the case where the opening of the wall surface is displaced in the vertical direction from the electric wire drawing hole of the residential distribution board.

As shown in FIG. 10, when the opening of the wall surface is provided at substantially the same position as the electric wire drawing hole of the residential distribution board, the electric wire can be drawn even without using an attachment. Compared to the case where no attachment is used, it can be performed more easily because there is a margin in the space for bending the wire.

In addition, as shown in Fig. 11, when the opening of the wall surface is shifted vertically from the electric wire drawing hole of the residential distribution board, draw the electric wire up to the electric wire drawing hole of the residential distribution board as shown in the figure. Therefore, it is possible to secure a sufficient space for the bending process, and it is possible to draw the electric wire into the residential distribution board regardless of the positions of the opening of the wall and the electric wire drawing hole of the residential distribution board.

As described above, the attachment in the residential distribution board according to the present invention improves the workability of the replacement in the replacement work of the residential distribution board. In addition to replacement work due to the passage of time, there is a possibility that it can be used to improve workability even when renovation is performed or when it is newly established.

It is the top view seen from the front which shows 1st embodiment of this invention. It is the top view seen from the same wall side. It is the perspective view seen from the same front side. It is a partial enlarged view of the attachment part with the distribution board for houses of the attachment in this invention. It is the top view which showed the housing body of the distribution board for houses. It is a perspective view of a distribution board for houses. It is the figure which showed the case where the attachment in this invention is attached to a wall surface. It is the figure which showed the case where the attachment in this invention is attached to the distribution board for houses. It is the figure which showed the case where the attachment in this invention is attached to the distribution board for houses, and a wall surface. The figure which showed the state which attached the attachment and the distribution board for houses to the wall surface from the side surface direction. The figure which showed the state which attached the attachment and the distribution board for houses to the wall surface from the side surface direction. The figure explaining background art. The figure explaining background art. The figure explaining background art. The figure explaining background art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Attachment 2 Opening part 3 Fitting part 4 Wall-attaching part 5 Screwing hole 6 with a distribution board 6 Engagement part 7 Rib 100 Residential distribution board 110 Case main body 111 Main switch 112 Branch switch 113 Electric shock Prevention cover 114 Daruma hole 115 Screw hole 200 to the wall surface Electric wire 1001 Wall surface opening 1011 Electric wire lead-in part 1012 of residential distribution board Electric wire lead-in part of residential distribution board

Claims (5)

An attachment for a residential distribution board provided between a residential distribution board and a wall surface to which the residential distribution board is mounted, having an opening in a range that does not hinder the work of drawing in the electric wire. The attachment is provided with a fitting portion for fitting and positioning in a hole provided in the residential distribution board when the attachment is attached to the residential distribution board.
2. The housing distribution panel attachment according to claim 1, further comprising a hole through which a screw for attaching to the wall surface is inserted. The residential distribution board attachment according to claim 2, wherein the attachment is provided with a residential distribution board and a screwing hole for fixing the attachment by screwing. The attachment is on the attachment surface side of the attachment with the housing distribution board, and is engaged with a predetermined recess provided on the wall surface side of the housing distribution board at a substantially peripheral portion of the attachment. 4. The residential distribution panel attachment according to claim 1, further comprising an engaging portion. The position of the hole for penetrating and inserting the screw when attaching to the wall surface provided in the attachment is as follows:
5. The residential use according to claim 2, wherein the housing is provided at a location where a position where a mounting screw to the original wall of the residential distribution board is provided is projected in a direction from the distribution board to the wall. Attachment for distribution board.

Images