JPH09182246A - Box provided with part to be fitted of wiring appliance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it unnecessary to install a wiring box beforehand, to make it possible to perform installment from the front side of a wall easily, and to make it unnecessary to use a wiring appliance fitting frame. SOLUTION: This box has a circumferential wall part 2 in a cylindrical shape to be used for getting in a wiring appliance 11, and a flange part 3 provided in front of the said circumferential wall part 2 and to be brought into contact with the circumferential hem of a through hole 14a bored in a wall 14. The flange part 3 is provided with a part to be fitted composed of a through hole 6 provided in the center and a holding part 7 for holding the wiring appliance 11 got in the circumferential wall part 2 so as to make it face the wall front from the through hole 6, and holding-by-interposing segments 15 are provided for interposing and holding the wall 14 with the flange part 3 by proceeding towards the rear side of the wall 14 by the use of a screw 14 and pressing the wall 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box which is attached to a concealed wall such as a veneer or a gypsum board and which is used for attaching a wiring device such as a switch or an outlet to a box to which a wiring device is attached. is there.

[0002]

2. Description of the Related Art As a wiring box used for attaching conventional wiring equipment such as switches and outlets to concealed walls such as veneers and gypsum boards, for example, the actual box
The technology disclosed in Japanese Patent No. 120718 is disclosed. In FIG. 8, the wiring box 21 is attached to the back side of the wall 14 with its opening facing the front side through the through hole 14a of the wall 14, and the wiring device 11 such as a switch is attached to the front side of the wall 14. The wiring device mounting frame 22 is attached to the wiring box 21 with screws 23. After the wiring device mounting frame 22 is mounted, a decorative plate (not shown) is mounted on the front side thereof.

In order to mount the wiring device 11 on the wall 14 by using the wiring box 21 having such a structure, the wiring box 21 is previously installed on the back of the wall, and the opening of the wiring box 21 is wall-mounted. Through-hole 1 on wall 14 to face
4a is drilled. Next, the wiring device mounting frame 22 to which the wiring device 11 is attached from the through hole 14a is fixed to the wiring box 21 via the screw 23, and the main body of the wiring device 11 is housed in the wiring box 21. . Then, the decorative plate is attached to the wiring device attachment frame 22 and the wall 14 is attached.
To cover the through hole 14a.

[0004]

However, in the conventional wiring box 21, the wiring box 21 must be installed on the back side of the wall in advance, and after the wiring box 21 is installed, the wiring box 21 must be installed. Detect the mounting position of 21,
It was difficult and troublesome to form the through hole 14a at the optimum position of the wall 14 so as to face the opening of the wiring box 21 on the back side of the wall. In addition, wiring equipment mounting frame 2 separately
Since 2 is required, the cost is high and it takes time to manage the parts.

Therefore, according to the present invention, it is not necessary to install a wiring box in advance, and it is possible to easily install from a wall surface, and
An object of the present invention is to provide a box provided with an attached portion of a wiring device that does not require a separate wiring device mounting frame.

[0006]

A box provided with an attached portion of a wiring device according to the invention of claim 1 is provided on a peripheral wall portion for accommodating the wiring device and a front surface of the peripheral wall portion, and is attached to a wall of a building. A flange portion that abuts a peripheral edge of the through hole that is bored, the flange portion including the through hole provided in the center and the wiring device housed in the peripheral wall portion from the through hole to the wall surface. It is provided with a mounted portion composed of a holding portion for holding as much as possible.

According to a second aspect of the present invention, there is provided a box provided with an attached portion of a wiring device, wherein the peripheral wall portion according to the first aspect is formed in a cylindrical shape or a shape in which a plurality of cylinders are stacked.

The box provided with the attached portion of the wiring device according to the invention of claim 3 is screwed to the screw inserted in the collar part of the box of claim 1 or 2, and the screw of the screw is screwed. By this, a sandwiching piece is provided which is screwed and pressed against the back of the wall and sandwiches the wall surface with the flange portion.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION

<First Embodiment> An embodiment of the present invention will be described below with reference to FIGS. In the figure, the wiring box 1 is
In order to accommodate the wiring device 11 inside, the peripheral wall portion 2 formed in a cylindrical shape having a predetermined length and the substantially square plate-shaped flange portion 3 provided on the front surface thereof are integrally formed. The peripheral wall portion 2 is provided with a cable pull-out hole 4 for pulling out the cable 12 on the bottom surface side which is the opposite side of the flange portion 3, and a guide groove 5 formed with a recess communicating with the longitudinal direction.
The guide groove 5 can accommodate the screw 13 inserted from the front side of the collar portion 3.
Further, the wiring device 1 attached to the central portion of the collar portion 3
A through hole 6 is formed in a quadrangular shape so that 1 faces the front side of the wall 14, and the locking projections 11a of the wiring device 11 are locked and attached to the left and right edges of the through hole 6. The holding portion 7 formed of the locking hole is provided. The through hole 6 and the holding portion 7 constitute the attached portion of the claims. The screw 13 is inserted into the screw mounting hole 8. A sandwiching piece 15 is screwed to the tip of the screw 13 inserted into the guide groove 5, and the sandwiching piece 15 has a surface parallel to the flange 3 at least on the side facing the flange 3. . In the guide groove 5, the tip of the right side peripheral wall in FIG. 3 projects slightly toward the bottom side from the tip of the left side peripheral wall, and when the screw 13 is screwed, the holding piece 15 follows the rotation and protrudes. It is configured to be blocked by the portion that is formed and to be screwed toward the flange portion 3 side.

The wiring box 1 formed in this way
The peripheral wall portion 2 is embedded in the wall 14, and the collar portion 3 abuts on the wall surface on the front surface side of the wall 14, and the wall portion 14 is sandwiched by the collar portion 3 and the sandwiching piece 15, whereby 1
It is configured to be installed in the four through holes 14a. The wiring box 1 can be integrally formed by injection molding of synthetic resin. Here, the through hole 14 of the wall 14
The reference character a is formed in a round hole having a size that allows the cylindrical peripheral wall portion 2 to be inserted without rattling, and can be easily formed by using a hole saw or the like. In addition, through hole 1
Further, 4a is preferably sized so that it can be inserted by hand in order to pull out the cable 12 behind the wall to the surface of the wall. Collar 3
A locking plate 9 having a locking hole 9 is provided on the back surface of the flange 3 of the wiring box 1 and a decorative plate 16 having a locking projection for locking the locking hole 9 is provided on the back side of the wall 14. The through hole 14a is covered.

Next, a method of mounting the wiring device 11 using the wiring box 1 configured as described above will be described. First, a through hole 14a having a size that allows the peripheral wall portion 2 of the wiring box 1 to be inserted without rattling is formed in the wall 14 by using a hole saw or the like. Next, the cable 12 wired on the back side of the wall is pulled out from the through hole 14a to the wall surface, the tip of the cable 12 is connected to the wiring device 11, and the main body of the wiring device 11 is held by the holding portion of the wiring box 1. 7 and holds it in the peripheral wall 2. In this operation, the cable 12 may be connected to the wiring device 11 after the wiring device 11 is first held by the holding portion 7 and accommodated in the peripheral wall portion 2.

After mounting the wiring device 11 in this manner, the holding piece 15 is preliminarily tilted to the left side on the bottom surface of the peripheral wall portion 2 so as not to project outward from the outer periphery of the peripheral wall portion 2, that is, within the diameter of the through hole 14a. After keeping it in a certain state, the peripheral wall portion 2 of the wiring box 1 is inserted into the through hole 14a, and the screw 13 is rotated. Then, the sandwiching piece 15 follows the screwing of the screw 13 and rises to the right and projects from the outer peripheral surface of the peripheral wall portion 2.
After the right peripheral wall of the guide groove 5 that slightly protrudes is prevented from further rotation, that is, after the state shown in FIG. 3, the right peripheral wall of the guide groove 5 rotates as the screw 13 is screwed. The movement is blocked and the screw 3 advances toward the collar 3. As a result, the sandwiching piece 15
Is pressed against the back of the wall, and is clamped and fixed to the wall 14 by the flange portion 3 and the flat portion of the sandwiching piece 15. The clamp piece 1 is fixed to the wall 14.
Instead of sandwiching and fixing using 5, the collar portion 3 may be fixed by directly screwing the screw 13 to the wall 14. However, when the wall 14 is formed of a soft and brittle material such as gypsum board, it is desirable to screw the screw 13 directly because it is not stable and easily comes off.

Since the box provided with the attached portion of the wiring device of this embodiment is configured as described above, it is not necessary to previously install the wiring box 1 on the backside of the wall, and wiring can be easily performed from the wall surface. The box 1 for use can be installed. Further, when mounting the wiring device 11, it is not necessary to detect the mounting position of the wiring box 1. Further, since the attached portion of the wiring device 11 is integrally provided, it is not necessary to separately prepare a wiring device mounting frame. That is, since the peripheral wall portion 2 which is the box portion and the flange portion 3 which is the wiring device mounting frame provided with the mounted portion can be integrally formed, the cost of the entire component is reduced and the component management becomes easy. Furthermore, since the peripheral wall portion 2 is formed in a cylindrical shape, the through hole 14a corresponding to the peripheral wall portion 2 can be easily formed by simply using a hole saw or the like, and the wiring device 11 can be attached. It's easy.
Further, since the through hole 14a is formed as a round hole, it is easy to insert a hand from the wall surface, and the work of pulling out the cable 12 on the back side of the wall to the front side is easy.

In addition, since the peripheral wall portion 2 is formed,
The wiring device 11 is housed inside and can be protected. Further, the wiring box 1 exerts a function as a guide when it is inserted into the through hole 14a of the wall 14, is easy to insert, and the wiring box 1 does not wobble after being inserted into the through hole 14a and is in a stable state. Can be held at Further, since the cable drawing hole 4 is formed in the peripheral wall portion 2, the cable 12 can be drawn in not only from the bottom surface but also from the side surface, and it is possible to cope with a narrow wall thickness.

By the way, the wiring box 1 of the above embodiment
Indicates that the bottom surface side of the peripheral wall portion 2 is open,
As shown in FIG. 4, the bottom plate 10 may be attached to the opening surface to be closed. In this case, the wiring device 1
The protection effect of 1 is further enhanced.

In the above embodiment, the wiring device 11 is inserted and attached from the back side of the collar portion 3, that is, the peripheral wall portion 2 side. However, as shown in FIG. 5, it is attached from the front side of the collar portion 3. It can also be formed. In this case, the wiring box 11 can be installed after the wiring box 1 is installed on the wall 14.

Further, in the above embodiment, the peripheral wall portion 2 is formed so that the wiring device 11 is completely housed therein. However, if the wiring device 11 can be substantially protected, the wiring device 1
1 may be formed so as to slightly project from the peripheral wall portion 2 toward the bottom surface side.

In addition, the collar portion 3 may be anything that comes into contact with the wall 14, and since the decorative plate 16 is provided on the front side, it does not always have to completely cover the through hole 14a. Good.

<Second Embodiment> Next, a box provided with an attached portion of a wiring device according to a second embodiment of the present invention will be described with reference to FIGS. 6 and 7.
It will be described based on. In the figure, wiring box 1
Is formed integrally with the collar portion 3 in a shape in which two of the peripheral wall portions 2 of the first embodiment are partially overlapped.
As shown in FIG. 6, through holes 6 are formed at two positions on the left and right for locking the wiring device 11 to the flange portion 3 while facing the front surface of the wall. Further, as shown in FIG. 7, the peripheral wall portions 2 formed in parallel on the back surface side of the collar portion 3 are provided with sandwiching pieces 15 at upper and lower portions, respectively. This sandwiching piece 15 is
Similar to the first embodiment, by screwing the screw 13 from the front side, the screw 13 is screwed along the guide groove 5 to the flange portion 3 side.

In the second embodiment as well, similar to the first embodiment, it is not necessary to previously install the wiring box 1 on the back of the wall, and the mounting position of the wiring box 1 is detected when the wiring device 11 is mounted. You don't even have to. Further, since the attached portion of the wiring device 11 is integrally provided, it is not necessary to separately prepare a wiring device mounting frame. Further, the through hole 14a can be easily bored in the wall 14 by using a hole saw or the like as in the first embodiment.

In this second embodiment, two peripheral wall portions 2 are formed side by side on the left and right sides. However, for example, three or more peripheral wall portions 3 are stacked vertically or horizontally. Or, 2 pieces each on the top, bottom, left and right, 4 pieces in total
It is also possible to have three or more peripheral wall portions 2 overlapped with each other by appropriately arranging the arrangement state such that the peripheral wall portions 2 are overlapped.

By the way, in each of the above embodiments, the peripheral wall 2 of the wiring box 1 is formed in a cylindrical shape or a shape in which two cylinders are partly overlapped with each other. However, the shape is not limited to these shapes, and it does not prevent forming into various shapes such as a square tube shape. Further, the present invention can be similarly applied to various wiring devices such as a dimmer and a ground in addition to the wiring device 11 for switches and outlets.

[0023]

As described above, the box having the attached portion of the wiring device according to the invention of claim 1 is provided on the peripheral wall portion for housing the wiring device and the front surface of the peripheral wall portion, and is attached to the wall of the building. A flange part that is held in contact with the peripheral edge of the bored hole and holds the wiring device. Therefore, it is not necessary to previously install the wiring box on the back of the wall, and it is not necessary to detect the mounting position of the wiring box when mounting the wiring device, and the wiring box can be easily mounted from the front of the wall. Further, since the attached portion of the wiring device is integrally provided, it is not necessary to separately prepare a wiring device mounting frame, the cost of parts can be reduced, and the parts management can be facilitated. Further, since the peripheral wall portion is formed, the wiring device can be housed and protected therein, and the insertion into the through hole of the wall can be guided and facilitated to be inserted. 1 can be maintained in a stable state.

According to a second aspect of the present invention, there is provided a box having an attached portion of the wiring device, wherein the peripheral wall portion according to the first aspect is formed in a cylindrical shape or a shape in which a plurality of cylinders are stacked. Therefore, in particular, it is possible to easily form the through hole corresponding to the peripheral wall portion in the wall of the building simply by making a hole using a hole saw or the like, and the work of attaching the wiring device to the wall can be performed more easily. it can.

The box provided with the attached portion of the wiring device of the third aspect of the invention is screwed to the screw inserted in the flange portion of the box of the first aspect or the second aspect, and is screwed by the screw. A sandwiching piece that is screwed and pressed against the back of the wall and sandwiches the wall surface with the flange is provided. Therefore, in particular, the box can be attached to a soft wall surface such as veneer or gypsum board in a stable state without scratching the wall surface.

[Brief description of the drawings]

FIG. 1 is a front view showing a box provided with an attached portion of a wiring device according to a first embodiment of the present invention.

FIG. 2 is a side view showing the wiring box of FIG.

FIG. 3 is a perspective view showing how the wiring box of FIG. 1 is attached to a wall.

FIG. 4 is a side view showing another wiring box of FIG. 1.

5 is a perspective view showing another wiring box of FIG. 1. FIG.

FIG. 6 is a front view showing a box provided with an attached portion of a wiring device according to a second embodiment of the present invention.

FIG. 7 is a rear view showing the wiring box of FIG.

FIG. 8 is a perspective view showing a conventional wiring box and wiring device mounting frame.

[Explanation of symbols]

 1 Wiring Box 2 Peripheral Wall Part 3 Collar Part 6 Through Hole 7 Holding Part 11 Wiring Device 13 Screw 14 Wall 14a Through Hole 15 Clamping Piece

Claims (3)

[Claims] 1. A peripheral wall portion for accommodating a wiring device, and a flange portion provided on a front surface of the peripheral wall portion and abutting against a peripheral edge of a through hole formed in a wall of a building, the collar portion comprising: A wiring device comprising a through hole provided in the center and a holding part for holding the wiring device housed in the peripheral wall portion so as to face the wall surface from the through hole. Box with attached part of. 2. The box provided with the attached portion of the wiring device according to claim 1, wherein the peripheral wall portion is formed in a cylindrical shape or a shape in which a plurality of cylinders are stacked. 3. A holding piece is provided, which is screwed to a screw inserted into the collar portion, and is screwed into the back side of the wall so as to be pushed and pressed against the back side of the wall, and which holds the wall surface with the collar portion. The box provided with the to-be-attached part of the wiring device of Claim 1 or Claim 2.