JP2000201415A - Box provided with fitting portion for wiring appliance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it unnecessary to fit a wiring box previously, to permit its simple fitting from the front side of a wall, and to make a wiring appliance fitting frame unnecessary as well. SOLUTION: A wiring box 1 has a circumferential wall part 2 which is formed into a cylindrical shape for housing wiring appliances 11, and a flange part 3 provided on the front surface of the wall part 2 and is brought into contact with the circumferential brim of a through hole 14a bored in a wall 14. The flange part 3 is provided with a fitting part composed of a through hole 6 formed in the center and a holding part 7 which holds the wiring appliances 11 put in the circumferential wall part 2 so as to cause the appliances 11 to face the wall surface, and interposing segments 15 which move and press the appliances to the rear of the wall 14 by driving screws 13, and interpose the wall 14 between together with the flange part 3, are provided.

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, a gypsum board and the like, and which has a mounting portion for a wiring device used for mounting a wiring device such as a switch and an outlet. is there.

[0002]

2. Description of the Related Art As a wiring box used for mounting a conventional wiring device such as a switch or an outlet on a concealed wall such as a veneer or a gypsum board, for example, Japanese Utility Model Application Laid-Open No. HEI 1-101 (1999).
The technology disclosed in Japanese Patent No. 120718 is disclosed.

In FIG. 8, a wiring box 21 is mounted on the back side of the wall 14 with its opening facing the front side through a through hole 14a of the wall 14, and wiring equipment such as a switch is mounted on the front side of the wall 14. Wiring device mounting frame 22 with 11 mounted
Are attached to the wiring box 21 by 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 attach the wiring device 11 to the wall 14 using the wiring box 21 having such a configuration, the wiring box 21 is previously installed on the back of the wall, and the opening of the wiring box 21 is cut into the wall. In order to face the front, through hole 1
Drill 4a. Next, the wiring device mounting frame 22 with the wiring device 11 attached through the through hole 14a is fixed to the wiring box 21 via screws 23, and the main body of the wiring device 11 is accommodated in the wiring box 21. . Then, the decorative plate is mounted on the wiring device mounting frame 22 and the wall 14 is mounted.
Of the through hole 14a.

[0005]

However, in the conventional wiring box 21, the wiring box 21 must be installed in advance on the back of the wall, and after the wiring box 21 is installed, the wiring box 21 must be installed. Detect the mounting position of 21,
It is difficult and troublesome to form the through-hole 14a at the optimum position of the wall 14 so that the opening of the wiring box 21 at the back of the wall faces the wall.

Further, since the wiring device mounting frame 22 is separately required, the cost is high and the parts management is troublesome.

Therefore, according to the present invention, there is no need to previously install a wiring box, and the wiring box can be easily installed from the wall surface.
It is an object of the present invention to provide a box provided with a mounting portion of a wiring device, which does not require a separate wiring device mounting frame.

[0008]

According to a first aspect of the present invention, there is provided a box provided with a portion to which a wiring device is mounted, a peripheral wall portion provided around the entire periphery to accommodate the wiring device therein, and the peripheral wall portion. A flange provided on the front of the part and abutting against a peripheral edge of a through-hole formed in the wall of the building, wherein the flange is provided in a centrally-provided through-hole and housed in the peripheral wall. And a holding portion for holding the wiring device so as to face the wall surface from the through hole.

According to a second aspect of the present invention, there is provided a box provided with a mounting portion for a wiring device, wherein the peripheral wall portion according to the first aspect is formed in a cylindrical shape.

According to a third aspect of the present invention, there is provided a box provided with a mounting portion for a wiring device, wherein the peripheral wall portion according to the first aspect is formed in a shape in which a plurality of cylinders are partially overlapped. .

According to a fourth aspect of the present invention, there is provided a box provided with a portion to be attached to a wiring device, wherein the box is screwed to the box of any one of the first to third aspects with a screw inserted through the flange. A holding piece is provided which is screwed and pressed against the back of the wall by screwing of the screw, and holds the wall surface with the flange.

According to a fifth aspect of the present invention, there is provided a box provided with a portion to be attached to a wiring device, wherein the peripheral wall portion according to any one of the first to fourth aspects has a cable outlet hole for extracting a cable. It is provided.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS First Embodiment An embodiment of the present invention will be described below with reference to FIGS.

In the drawing, a wiring box 1 has a cylindrical peripheral wall 2 having a predetermined length for accommodating a wiring device 11 therein, and a substantially square plate-shaped flange provided on a front surface thereof. 3 are integrally formed. The peripheral wall 2
Is provided with a cable outlet hole 4 for extracting the cable 12 on the bottom surface side opposite to the flange portion 3, and has a recessed guide groove 5 communicating with the length direction, A screw 13 inserted from the front side of the flange 3 can be accommodated in the guide groove 5. Furthermore,
A rectangular through-hole 6 is formed in the center of the flange 3 so that the attached wiring device 11 faces the front side of the wall 14, and wiring holes are formed at the left and right edges of the through-hole 6. Utensil 1
The holding portion 7 is provided with a locking hole for locking and attaching the one locking projection 11a. The through-hole 6 and the holding portion 7 constitute an attached portion. Screw mounting hole 8
, The screw 13 is inserted. And the guide groove 5
A holding piece 15 is screwed to a tip end of the screw 13 inserted into the holding piece 15, and at least a side of the holding piece 15 facing the flange 3 forms a plane parallel to the flange 3. In addition, the guide groove 5 has a tip of the right peripheral wall in FIG. 3 projecting slightly to the bottom side from a tip of the left peripheral wall. When the screw 13 is screwed, the holding piece 15 rotates following the screw 13. It is blocked by the portion that has been made, and is screwed toward the flange 3 side.

The wiring box 1 thus formed
Is that the peripheral wall portion 2 is embedded in the wall 14 and the flange portion 3 is in contact with the wall surface on the surface side of the wall 14, and the wall portion 14 is sandwiched by the flange portion 3 and the holding piece 15, thereby 1
4 are provided in the through holes 14a. The wiring box 1 can be integrally formed by injection molding of a synthetic resin. Here, the through holes 14 in the wall 14
“a” is formed in a round hole having a size that allows the cylindrical peripheral wall portion 2 to be inserted without play, and can be easily formed by using a forsaw or the like. In addition, the through hole 1
4a is desirably sized so that a hand can be inserted to pull out the cable 12 on the back of the wall to the surface of the wall.

The flange 3 is provided with a locking hole 9, and a decorative plate 16 having a locking projection provided on the back surface for locking with the locking hole 9 is provided on the front side of the flange 3 of the wiring box 1. To cover the through hole 14 a of the wall 14.

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 through which the peripheral wall portion 2 of the wiring box 1 can be inserted into the wall 14 without rattling.
Is drilled using a horsaw or the like. Next, the cable 12 wired on the back 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 further connected to the holding portion 7 of the wiring box 1.
And housed in the peripheral wall portion 2. In this operation, after the wiring device 11 is first held by the holding portion 7 and accommodated in the peripheral wall portion 2, the cable 12 is connected to the wiring device 11.
May be connected.

After the wiring device 11 is attached in this manner, the holding piece 15 is tilted to the left on the bottom surface of the peripheral wall portion 2 in advance so that it does not protrude outward from the outer periphery of the peripheral wall portion 2, that is, within the diameter of the through hole 14a. After being 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 holding piece 15 rises to the right following the screwing of the screw 13 and protrudes from the outer peripheral surface of the peripheral wall portion 2,
After a further protruding state is prevented by the right peripheral wall of the slightly protruding guide groove 5, that is, a state shown in FIG. 3, the guide groove 5 is turned by the right peripheral wall of the guide groove 5 with the screw 13 being screwed. The movement is prevented and the screw advances toward the flange 3 side. Thereby, the holding piece 15
Is pressed against the back of the wall, and clamped and fixed to the wall 14 by the flange portion 3 and the flat portion of the clamping piece 15. The holding piece 1 is fixed to the wall 14.
The flange 3 may be fixed by directly screwing the screw 13 to the wall 14 without holding and fixing using the 5. However, when the wall 14 is formed of a soft and brittle material such as a gypsum board, it is desirable to screw and fix the screw 13 directly because the stability is poor and the screw 13 is easily detached.

Since the box provided with the mounting portion of the wiring device of the present embodiment is configured as described above, it is not necessary to previously install the wiring box 1 on the back of the wall, and the wiring box 1 can be easily wired from the wall surface. Box 1 can be installed. When the wiring device 11 is mounted, it is not necessary to detect the mounting position of the wiring box 1. Further, since the mounting portion of the wiring device 11 is provided integrally, there is no need to separately prepare a wiring device mounting frame. That is, since the peripheral wall portion 2 as the box portion and the flange portion 3 serving as 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. Further, 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 only by drilling using a forsaw or the like, and the wiring device 11 can be attached. Easy.
Since the through hole 14a is formed as a round hole, it is easy to insert a hand from the front of the wall, and it is easy to pull out the cable 12 behind the wall to the front side.

In addition, since the peripheral wall 2 is formed,
The wiring device 11 is accommodated in the inside and can be protected. In addition, it functions as a guide when the wiring box 1 is inserted into the through hole 14a of the wall 14, is easy to insert, and is stable without inserting the wiring box 1 after being inserted through the through hole 14a. Can be held.

Further, since the cable outlet hole 4 is formed in the peripheral wall portion 2, the cable 12 can be drawn not only from the bottom surface but also from the side surface, so that a narrow wall thickness can be accommodated.

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

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

Further, in the above embodiment, the peripheral wall portion 2 is formed in a state where the wiring device 11 is completely housed inside. 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.

In addition, the flange 3 only needs to be in contact with the wall 14, and the decorative plate 16 is provided on the front side, so that it does not necessarily completely cover the entire through hole 14a. Good.

<Second Embodiment> FIGS. 6 and 7 show a box provided with an attached portion of a wiring device according to a second embodiment of the present invention.
It will be described based on.

In FIG. 6, a wiring box 1 is formed integrally with a flange 3 in a shape in which two peripheral walls 2 of the first embodiment are partially overlapped, and is shown in FIG. As described above, through holes 6 for locking the wiring device 11 to the flange portion 3 in a state facing the front side of the wall are formed at two places on the left and right. As shown in FIG. 7, sandwiching pieces 15 are provided at upper and lower two places on each of the peripheral wall portions 2 formed in parallel on the rear surface of the flange portion 3 on the left and right sides. As in the first embodiment, the holding piece 15 is screwed into the flange 3 along the guide groove 5 by screwing the screw 13 from the front side.

In the second embodiment, similarly 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 have to. Further, since the mounting portion of the wiring device 11 is provided integrally, it is not necessary to separately prepare a wiring device mounting frame.

The perforation of the through hole 14a in the wall 14 can be easily performed by using a forsaw or the like as in the first embodiment.

In the second embodiment, two peripheral wall portions 2 are formed on the left and right side. For example, three or more peripheral wall portions 3 are overlapped in the vertical direction or the horizontal direction. Or four peripheral wall parts 2 in total, two on each side
For example, three or more peripheral wall portions 2 may be overlapped in different arrangements as appropriate, such as in the form of overlapping.

In each of the above embodiments, the peripheral wall 2 of the wiring box 1 is formed in a cylindrical shape or in a shape in which two cylinders are partially overlapped. In this case, the shape is not limited to these shapes, and does not prevent various shapes such as a rectangular tube shape.

The present invention can be similarly applied to various wiring devices such as dimmers and grounds in addition to the wiring device 11 for switches and outlets.

[0034]

As described above, according to the first aspect of the present invention, there is provided a box provided with a portion to which a wiring device is mounted, a peripheral wall portion provided around the entire circumference to accommodate the wiring device therein, and the peripheral wall portion. A flange provided on the front of the part and abutting against a peripheral edge of a through-hole formed in the wall of the building, wherein the flange is provided in a centrally-provided through-hole and housed in the peripheral wall. And a holding portion for holding the wiring device so as to face the wall surface from the through hole. Therefore, there is no need 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 wall surface. In addition, since the mounting portion of the wiring device is provided integrally, there is no need to separately prepare a wiring device mounting frame, so that component costs can be reduced and component management becomes easy. And, by forming the peripheral wall portion for housing the wiring device therein, the wiring device can be housed and protected inside thereof, and can be easily inserted by guiding the insertion into the through hole of the wall, After being inserted into the through hole, the wiring box can be held in a stable state.

The box provided with the mounting portion of the wiring device according to the second aspect of the present invention has the peripheral wall portion according to the first aspect formed in a cylindrical shape, and the wiring device according to the third aspect of the invention. In the box provided with the attached portion, the peripheral wall portion described in claim 1 is formed in a shape in which a part of a plurality of cylinders is overlapped. Therefore, in particular, the through-hole corresponding to the peripheral wall portion can be easily formed in the wall of the building only by drilling with a forsaw 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 mounting portion of the wiring device according to the fourth aspect of the present invention is screwed to the box of the first or second aspect with a screw inserted through the flange, and is screwed together with the screw. A holding piece for screwing and pressing against the back of the wall and holding the wall surface with the flange is provided. Therefore, in particular, the box can be attached to a soft wall surface such as a veneer or a gypsum board in a stable state without breaking the wall surface.

According to a fifth aspect of the present invention, there is provided a box provided with a portion to be attached to a wiring device, wherein the peripheral wall portion according to any one of the first to fourth aspects has a cable drawing hole for drawing out a cable. It is provided. Therefore, the cable can be drawn not only from the bottom but also from the side,
It can handle narrow wall thickness.

[Brief description of the drawings]

FIG. 1 is a front view showing a box provided with a mounting 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. 1;

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

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

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

FIG. 6 is a front view showing a box provided with a mounting 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. 6;

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

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wiring box 2 Peripheral wall part 3 Flange part 6 Through-hole 7 Holding part 11 Wiring device 13 Screw 14 Wall 14a Through-hole 15 Nipping piece

Claims (5)

[Claims] 1. A peripheral wall portion provided around the entire periphery for accommodating a wiring device therein, and a peripheral edge provided on a front surface of the peripheral wall portion and perforated in a wall of a building. A flange having a through hole provided at the center and a holding portion for holding the wiring device housed in the peripheral wall so as to face the wall surface through the through hole. A box provided with a portion to which a wiring device is attached, characterized by comprising a portion. 2. The box according to claim 1, wherein the peripheral wall is formed in a cylindrical shape. 3. The box according to claim 1, wherein the peripheral wall is formed in a shape in which a plurality of cylinders are partially overlapped. 4. A holding piece which is screwed to a screw inserted through the flange, is screwed and pressed against the back of the wall by screwing of the screw, and holds the wall with the flange. A box provided with a portion to be attached to the wiring device according to any one of claims 1 to 3. 5. A cable drawing hole for drawing out a cable in the peripheral wall portion.
A box provided with the mounting portion of the wiring device according to claim 4.