JP3446615B2 - Wiring equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring device capable of changing a wiring device having a non-fireproof structure to a fireproof structure. 2. Description of the Related Art Conventionally, when a wiring module is buried in a mounting surface such as a wall surface, a plate frame is used.
Here, the embedded wiring module is formed in a standardized module size, and one or more of these wiring modules can be attached to the plate frame. Then, a mounting frame is attached to an embedding hole formed in an attachment surface such as a wall surface by screwing or the like, and the wiring module is attached to the wall surface or the like. [0003] However, in the wiring device having the above-described configuration, the wiring device has a non-fireproof structure, and a resin component such as a decorative plate easily burns in a fire or the like. There is a problem that there is a high risk that fire passes through the front and back of the mounting surface through the wiring device and spreads to other places. In order to solve the above-mentioned problem, Japanese Patent Laid-Open No.
A fire-resistant steel box described in, for example, Japanese Patent No. 76119 is buried in a mounting surface in advance, and a wiring module or a plate frame is mounted on the box to make a fire-resistant structure. It had to be buried in the plane, and the construction was very troublesome. SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a wiring device capable of easily changing a wiring device having a non-fireproof structure to a fireproof structure. To provide. Means for Solving the Problems The invention according to claim 1 is:
A plate frame attached to an embedding hole drilled in a mounting surface such as a wall surface, a frame-shaped decorative plate attached to the plate frame so as to close the outer periphery of the plate frame, and an opening formed in the plate frame. A wiring device having a panel cover that is mounted in a decorative plate by exposing an upper surface portion of a plurality of wiring modules to be mounted, and is engaged and fixed so as to cover a portion embedded in the mounting surface from the back surface of the plate frame. Of the fireproof cover and structural material of the mounting surface
It is arranged on the back and sandwiches the same structural material with the plate frame
Ri name comprises a Ruhasami bracket, Waso on the bottom of the fire cover
The connection wires connected to each wiring module are inserted
It has a through hole, and a handle is vertically attached to the
The handle frame has a handle hole and the handle is guided to this handle hole.
A holding part for insertion is provided, and a fireproof cover
And it is characterized in Rukoto such by a recess along the Dokyo lifting portion. An embodiment of the present invention will be described below in detail with reference to FIGS. 1 to 5. FIG. 1 is an exploded view showing a wiring device according to the present invention. FIG. 2 is a state diagram showing a state in which the wiring device according to the present invention is mounted on a mounting surface, where (a) shows a front view, (b) shows a side view,
(C) shows a rear view. 3A and 3B show a fireproof cover, FIG. 3A shows a front view, FIG. 3B shows a side view, and FIG. 3C shows a top view. FIG. 4 is an explanatory view showing a method of attaching the fireproof cover to the plate frame. FIG. 5 is an explanatory view showing a method of attaching an insulating separator provided in a fireproof cover. In the wiring device of the present embodiment, the wiring device of the non-fireproof structure can be easily changed to the fireproof structure by attaching a fireproof cover to the back surface of the wiring device of the nonfireproof structure. . At that time, it is possible to cover most of the back surface of the wiring device using the fireproof cover, so that it is possible to provide a wiring device excellent in fire resistance. As shown in FIG. 1, a wiring device according to the present embodiment has a plate frame 1 attached to an embedding hole formed in a wall or the like, and a plate frame formed so as to close an outer peripheral portion of the plate frame 1. 1 and a decorative plate 3 attached to the base 1. Here, the wiring modules 4, 4 are detachably attached to rectangular openings formed in the plate frame 1, respectively. In the present embodiment, two wiring modules 4 are provided, but the number is not limited to this. The opening 3 of the frame-shaped decorative plate 3 is closed so as to close the gap between the decorative plate 3 and the wiring module 4.
0 is provided with each of the panel covers 5. In addition,
For example, in the case of a wiring module 4 such as a piano handle switch that is turned on / off by touching a piano,
A handle (not shown) is used instead of the panel cover 5. A fire-resistant cover 6 made of a fire-resistant material such as a hot-dip galvanized steel plate is claw-fitted to the back surface of the plate frame 1. As shown in FIG. 3, the bottom surface of the fireproof cover 6 has two insertion holes 6b, 6b through which the connection lines L connected to the respective wiring modules 4 are inserted. Claw receiving portions 16a, 1 formed on the frame 1
There are a total of four engaging claws 6c on both side ends, which are elastically fitted into the claws 6a and the pawl receiving holes 16b, 16b. The fireproof cover 6 has screw engaging portions 6d having a concave shape on both side ends, and is engaged and fixed to the plate frame 1 not only by claw fitting but also by mounting screws 12a. The plate frame 1 is provided with a disc-shaped frame main body 1a slightly larger than an embedding hole formed in a mounting surface such as a wall surface, and two rectangular openings are formed in the left and right central portions. . At the opposite peripheral portions corresponding to the respective central portions of the four sides of the opening, screw holes 12 used for screwing when the mounting surface is sandwiched between the clamp and the plate frame are formed, and the structure of the mounting surface is formed. There are provided two holding portions 13 used for fixing the plate frame 1 to the mounting surface by holding the material between the scissors 7 arranged on the back surface. Here, the pair of screw holes 12 is for fixing the plate frame 1 to the mounting surface using, for example, a wood screw or the like, and the mounting screws 12a are provided on the scissors 7 through the screw holes 12. Screw hole 7b. Clamping part 1
Numeral 3 is provided from the lower surface of the plate frame 1 so as to extend along recesses 6a, 6a of the fireproof cover 6 to be described later.
The guide 7a guides the handle 7a which is vertically suspended from the handle and facilitates the penetration of the handle 7a into the handle hole 17 provided in the plate frame 1.
It is possible to reduce the problem that the handle 7a causes the scissors 7 to fall on the back surface of the mounting surface. The holding portion 13 has a U-shaped cross section that opens outward, and guides a handle 7a that is suspended from the scissors 7 using the U-shaped inside. Two handles 7a, 7a
Is bent after being inserted into the handle holes 17, 17,
The plate frame 1 is temporarily fixed to the mounting surface. That is, while being temporarily fixed by the handle 7a, the mounting screw 1
Since the plate frame 1 can be fixed to the mounting surface by 2a, the mounting screws 12a can be easily screwed. Note that the handle 7a used for the temporary fixing is the mounting screw 1
If it is fixed by 2a, it is not necessary any more, so it is cut at an appropriate position. The plate frame 1 is formed with a fitting hole 19 for fitting and attaching the decorative plate 3. The plate frame 1 is provided with a fitting concave portion and a fitting hole for mounting a panel cover 5 that closes a gap between the decorative plates 3 other than the upper surface portion where the operation portion of the wiring module 4 is formed. Next, a description will be given of a wiring module 4 buried in a mounting surface such as a wall surface using the wiring device of the present embodiment. The wiring module 4 attached using the wiring device is formed into a standardized size module. The wiring module 4 is provided with a locking projection (not shown), and the wiring module 4 is fitted by fitting the locking projection to a locking claw (not shown) provided on the plate frame 1.
Are fixed to the plate frame 1. In the wiring device of the present embodiment, the wiring module 4 is mounted on the plate frame 1, the connection line L is inserted into the insertion hole 6 b of the fireproof cover 6, and then the connection line L is mounted on the wiring module 4. , Fireproof cover 6 to plate frame 1
The wiring device can be made to have a fire-resistant structure simply by fitting it with a claw. As shown in FIG. 5, when a low-current wiring device such as a modular jack and a low-voltage wiring device such as a power outlet are attached together as the wiring module 4, the insulating separator 8 is placed inside the fireproof cover 6. It is necessary to insulate both mounting. The insulating separator 8 is easily attached by being inserted into the front groove 61a provided near the opening of the fireproof cover and the rear groove 61b provided near the bottom of the fireproof cover. As described above, according to the first aspect of the present invention, the plate frame attached to the embedding hole formed in the attachment surface such as the wall surface and the outer peripheral portion of the plate frame are provided. Wiring including a frame-shaped decorative plate attached to the plate frame in a closed form, and a panel cover attached to the decorative plate by exposing the upper surfaces of a plurality of wiring modules attached to the openings formed in the plate frame. The device is provided with a fireproof cover that is engaged and fixed so as to cover a portion embedded in the mounting surface from the back surface of the plate frame, so that the fireproof cover needs to be embedded in the mounting surface in advance. Therefore, it is possible to provide a wiring device capable of easily changing a wiring device having a non-fireproof structure to a fireproof structure. Moreover, the structural material of the mounting surface
It is arranged on the back and sandwiches the same structural material with the plate frame
With scissors, and a handle hanging from the scissors.
The plate frame is provided with a handle hole and the handle
And a pinching portion for guiding and inserting
The fireproof cover is formed with a recess along the holding part.
The holding portion is provided along the concave portion of the fireproof cover.
Facilitates positioning of the fireproof cover, and
Guide the handle hanging from the bracket and set it on the plate frame.
It facilitates penetration of the handle hole
If the scissor fittings fall to the back of the mounting surface by hand
Such problems can be reduced.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded view showing a wiring device according to the present invention. FIG. 2 is a state diagram showing a state in which the wiring device according to the present invention is mounted on a mounting surface, where (a) shows a front view and (b)
Shows a side view, and (c) shows a back view. FIG. 3 is a view showing a fireproof cover, (a) shows a front view,
(B) shows a side view, and (c) shows a top view. FIG. 4 is an explanatory view showing a method of attaching a fireproof cover to a plate frame. FIG. 5 is an explanatory view showing a method of attaching an insulating separator provided in a fireproof cover. [Description of Signs] 1 Plate frame 3 Decorative plate 4 Wiring module 5 Panel cover 6 Fireproof cover 6c Engagement claw 7 Scissors fitting 16a Claw receiving portion 16b Claw receiving hole

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-78429 (JP, A) JP-A-3-245709 (JP, A) JP-A-7-31028 (JP, A) JP-A-9-99 19026 (JP, A) (58) Field surveyed (Int. Cl. ⁷ , DB name) H02G 3/02

Claims (1)

(57) [Claim 1] A plate frame attached to an embedding hole formed in a mounting surface such as a wall surface, and a frame attached to the plate frame so as to close an outer peripheral portion of the plate frame. And a panel cover attached to the interior of the decorative plate by exposing an upper surface of a plurality of wiring modules attached to the opening formed in the plate frame, and embedded in the mounting surface. A fireproof cover engaged and fixed so as to cover the
It is placed on the back of the attached structural material and is
Ri Na comprises a scissors bracket for holding the structural material, the refractory cover
The bottom of the
It has an insertion hole through which the connecting wire is inserted, and the handle is
The plate frame has a handle hole and the handle hole
There is a holding part for guiding the hand and inserting
Ri, wiring devices, wherein Rukoto such by a recess along the Dokyo sandwiching member to the refractory cover.