JP2002078133A - Plate for wiring instrument - Google Patents

Abstract

PROBLEM TO BE SOLVED: To nicely arrange wiring instruments into recessed holes made on a face of constructed side. SOLUTION: The decorative plate body 30 of the decorative plate B fitted up with a front of plate frame A is roughly box-shaped by integrally forming the rectangle main part 32 covering the front of the plate frame A and the sidewall 33 protruding to backside from the whole edges of the main part 32. The width between the decorative plate body 30 and the facing sidewall 33 is made bigger than each width of the plate frame body 1. When the decorative plate B is fitted up with the front side of plate frame A arranged on the face of the constructed side, the plate frame body 1 is fitted up on the inside of the decorative plate body 30 of the decorative late B and the edge of the sidewall 33 of the decorative plate body 30 abuts nearly with the face of the constructed side. As the result, it is possible to arrange nicely as the abutting face of the plate frame A and the decorative plate B does not protrude beyond the face of the constructed side not likely a conventional method and the abutting lines of the both plates are hardly seen from the sides.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring device plate for mounting an embedded wiring device with a part embedded in a construction surface such as a wall surface.

[0002]

2. Description of the Related Art Conventionally, an embedding box (switch box) is buried in an embedding hole provided on a construction surface such as a wall surface, and a plate frame to which a wiring device such as a switch or an outlet is detachably mounted is formed. A wiring device plate is provided in which a wiring device is mounted on a wall or the like with good appearance (embedding) by mounting the mounting device on a wall or the like by attaching the mounting plate from the front side to a mounting box and further attaching a decorative plate to the front of the plate frame. ing.

[0003]

However, in the above-mentioned conventional structure, the abutting surface of the plate frame and the decorative plate protrudes forward of the wall surface (construction surface). However, there is a problem that the appearance is deteriorated due to relative deviation.

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 plate that allows an embedded wiring device to be installed on an installation surface with good appearance. It is in.

[0005]

According to a first aspect of the present invention, in order to achieve the above object, an embedded wiring device is provided with an embedded hole in which a body rear end of the wiring device is provided on a construction surface. A pair of openings for exposing a front surface of a front end portion having a smaller width dimension than a rear end portion of the body, the wiring device plate being installed in a form embedded in the pair, and between the pair of opening portions. A locking portion provided on one side of a locking claw projecting to both sides of a rear end portion of the body, and a locking groove for locking the other side of the locking claw, and a bending groove is provided on a peripheral edge of each of the openings. A plate frame having a flexible piece provided to cover an opening surface side of the embedding hole, and a main portion having a plurality of opening windows exposing a front end front surface of the body and covering a front surface of the plate frame. The width of the portion protruding from substantially the entire peripheral edge of the main portion and facing the same is set to be larger than each width of the plate frame. A decorative plate which is provided on the front surface of the plate frame and has a concave side wall, and a locking projection is provided on a rear side of the decorative plate, and the locking projection is detachably locked. It is characterized in that holes are provided on the front surface of the plate frame, and when the decorative plate is attached to the front side of the plate frame, the plate frame fits inside the decorative plate, and the leading edge of the side wall of the decorative plate is on the construction surface. Since they almost come into contact with each other, the abutting surface between the plate frame and the decorative plate does not come out of the construction surface as in the past, and the abutting line between the two is almost invisible from the side to improve the appearance. Can be better. Furthermore, since the decorative plate can be easily removed from the plate frame, a plurality of types of decorative plates having a plurality of opening windows according to the number and dimensions of the wiring devices arranged in each opening of the plate frame are prepared. In this case, by rearranging the decorative plates, it is possible to cope with various arrangements of wiring devices with respect to the respective openings of the plate frame.

According to a second aspect of the present invention, in the first aspect of the present invention, a notch for inserting a jig for removing the decorative plate is provided on a side wall of the decorative plate, and the jig is inserted into the notch. By lifting the decorative plate using the principle of leverage, the lock between the locking projection and the locking hole is released, and the decorative plate can be easily removed from the plate frame.

According to a third aspect of the present invention, in the invention of the second aspect, a relief portion for releasing a jig for removing a decorative plate at a position corresponding to the notch portion is provided in the plate frame. By releasing the jig inserted into the escape portion, the jig can be inserted all the way, and force can be easily applied when removing the decorative plate.

According to a fourth aspect of the present invention, in the third aspect of the present invention, a rib that does not protrude from a cutout portion of the decorative plate extends from a rear end of the relief portion.
The jig inserted into the notch contacts the rib,
When the decorative plate is removed from the plate frame, it is possible to prevent the jig from damaging the construction surface.

According to a fifth aspect of the present invention, in the first aspect of the present invention, a regulating means for regulating the movement of the bending piece is provided on the rear side of the decorative plate in a state where the decorative plate is attached to the front surface of the plate frame. Since the movement of the bending piece is regulated by the restricting means, even when a large impact or the like is applied to the wiring device, the locking between the locking claw of the wiring device and the locking groove of the bending piece is not easily released. Become.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings.

As shown in FIG. 1, the wiring device plate of this embodiment comprises a plate frame A and a decorative plate B. The plate frame A has a pair of openings 2a and 2b that expose a functional surface (described later) of the wiring device C as shown in FIG. 11 at the center, and is made of synthetic resin and covers the opening surface side of the embedding hole. One of the locking claws 13, which are flexibly provided on both side frame pieces 3 and 3 of the plate frame main body 1 located outside the openings 2 and protrude from both sides of the wiring device C, are inserted and locked. And the other locking claw 13 of the wiring device C, which is provided in the central frame piece 3 ′ that partitions the openings 2 a and 2 b of the plate frame main body 1, is inserted and locked. And a fixing unit 10.

A wiring device C shown in FIG. 11 is a so-called tumbler switch, and is composed of a body 11a made of a synthetic resin and a cover 1.
1b are connected to each other by a pair of metal assembly frames 12 to form a body, which is installed in such a manner that a rear end portion of the body mainly composed of the body 11a is embedded in an embedding hole provided in a wall surface. Is done. Width dimension (dimension in the longitudinal direction) on the front surface of the cover 11b
A boss portion (front end portion) shorter than the body 11a protrudes from the body 11a, and the front surface of the boss portion is a functional surface on which an operation portion of the switch is exposed. In addition, a pair of locking claws 13 project from the side end surface of the assembly frame 12, respectively. Here, when the dimension of the opening 2 is defined as the reference dimension of the wiring device C shown in FIG. 11 (hereinafter, this size is referred to as “one module size”), the short width direction of the wiring device C is defined as the opening. 2a, 2b
A dimension in which three wiring devices C each having a module size can be mounted side by side in the short width direction in a state where the wiring devices C are aligned with the longitudinal direction of the module (hereinafter, this dimension is referred to as “three-module-compatible size”
It is).

As shown in FIG. 5, the rectangular frame-shaped plate frame main body 1 is made of an insulating synthetic resin (a thermoplastic resin such as an ABS resin or a thermosetting resin having elasticity). The pieces 3, 3 are formed integrally with the inner portion 3a and the outer portion 3b substantially in parallel through a gap (slit) 6, and both ends are formed by a plate frame at the far end of the gap 6 between the two portions 3a, 3b. Flexible pieces 4, 4 having flexibility are formed integrally with both side pieces 5, 5 of the main body 1.

At a position near the center of each of the openings 2a and 2b, the flexible piece 4 and the inner portion 3a of the side frame piece 3 and the flexible piece 4 and the outer portion 3b are connected by a pair of bridge pieces 7 and 8, respectively. There is a gap 6 formed between the bending piece 4 and the outer portion 3b
Is divided into three portions (hereinafter, each portion is referred to as slits 6a, 6b, and 6c) by the bridging piece 8.
In addition, a slot 9 having a long hole shape is formed in the outer portion 3b in both end directions with the joining point of the bridging piece 8 being substantially at the center, and the inner portion of the groove 9 is made thin. The connecting pieces make the bending piece 4 easily bend in the lateral direction. As described above, since the outer portion 3b and the flexible piece 4 are connected to each other by the bridging piece 8 at the position corresponding to the center of the groove 9, the stress at the time of mounting the wiring device C is dispersed to damage the plate frame body 1. Can be reduced.

On the inner surface of each bending piece 4, three sets of locking grooves 17 for locking one locking claw 13 of the wiring device C are formed. In the center frame piece 3 'of the plate frame main body 1, three sets of a pair of fixing portions 10 into which the other locking claws 13 of the wiring device C are inserted and locked are formed. That is, as shown in FIG. 6, the fixing rib 19 is integrally formed on the back surface of the center frame piece 3 ′, and the recess 20 is inserted through the fixing rib 19 side. A step portion is formed, and this step portion is used as the fixing portion 10, and three sets are provided for each of the openings 2 a and 2 b. Also, the fixing rib 19
The inclined surface 22 is formed on the side corresponding to the fixed portion 10, and the locking claw 13 of the wiring device C is in contact with and along the inclined surface 22. Nail 1
At 3, the bending piece 4 is bent outward. An inclined surface 4 a is also formed on the side surface on the back side of the bending piece 4.

Between the pair of recesses 20 of the center frame piece 3 ′, an instrument removal hole 2 that penetrates from the front side of the plate frame main body 1 and inserts a tip portion such as a driver or a jig dedicated to removal.
9 is drilled. As shown in FIG. 6, a projection 27 is integrally formed on a side surface of the bending piece 4 and the inside portion 3a facing each other, and wiring is provided in the slit 6 between the bending piece 4 and the inside portion 3a. When the tip of a driver or the like used when removing the instrument C is erroneously inserted, the tip of the tip hits the projection 27, whereby erroneous insertion of a foreign substance such as a driver can be prevented.

Next, a procedure for attaching the wiring device C to the plate frame main body 1 will be described. First, one locking claw 13 of the wiring device C is inserted and locked in the locking groove 17 on the bending piece 4 side, and the other locking claw 13 is moved to the front side along the inclined surface 22 of the fixing rib 19. . The wiring device C moves to the bending piece 4 side by abutting and making contact with the inclined surface 22. For this reason, when one locking claw 13 urges the bending piece 4 outward to bend, and the other locking claw 13 gets over the inclined surface 22 and is inserted and locked in the fixed portion 10, the bending piece 4 returns. The wiring device C is returned to the right side in FIG. 12 by the force, the both locking claws 13 are locked in the locking groove 17 and the fixing portion 10, and the wiring device C is attached to the plate frame main body 1. Here, in the present embodiment, three openings 3a and 2b having dimensions corresponding to three modules are used.
When the body of the wiring device C is attached to any of the attachment positions, the plurality of partition ribs 40 that abut at least a part of the side surface of the body include the inner portion 3a of the side frame pieces 3 and the central frame. It protrudes from the back side of the piece 3 '(see FIG. 6). That is, the rattling of the body of the wiring device C attached to the plate frame A can be suppressed by the partition ribs 40. Thus, by suppressing the rattling of the body in the mounted state, even when an unnecessary force is applied to the body, it is possible to prevent the occurrence of troubles such as breakage of the locking claw 13.

On the other hand, when the wiring device C is detached from the plate frame main body 1, the following operation is performed. That is, the driver's distal end is inserted into the device removing hole 29 from the front surface, the driver's distal end abuts against the end surface of the assembly frame 12 between the locking claws 13, and the driver is tilted in the direction opposite to the wiring device C. The wiring tool C is urged toward the bending piece 4 side by the tip of the wire, so that the locking between the locking claw 13 and the fixing portion 10 can be released, and the wiring tool C can be easily removed from the plate frame main body 1.

Incidentally, a concave portion 5a is formed in each of both side pieces 5 facing the longitudinal direction of the plate frame main body 1. In each recess 5a, an elongated hole 15a through which a box screw for attaching the plate frame A to a so-called A type embedding box (not shown) is inserted, and the plate frame A is directly attached to a construction surface such as a wall surface. Insertion hole 15b into which a screw for inserting is inserted
And a scissor fitting locking hole 15c for locking a scissor fitting (not shown) used when attaching to a wall panel or the like forming a construction surface.

At the four corners of the plate frame body 1, there are provided decorative plate locking holes 25 for locking the locking projections 31 protruding from the back of the decorative plate body 30 of the decorative plate B. The decorative plate B can be detachably attached to the front side of the plate frame A by inserting and locking the locking projection 31 in the stop hole 25.

On the other hand, the decorative plate body 30 of the decorative plate B is made of an insulating synthetic resin (a thermoplastic resin such as an ABS resin or a thermosetting resin having elasticity) as shown in FIGS. The rectangular main portion 32 that covers the front surface of the plate frame A and a side wall 33 that protrudes rearward from the entire periphery of the main portion 32 are formed in a substantially box shape. The locking projections 31 are provided at four corners on the rear side of the main portion 32. A pair of opening windows 32 exposing the functional surface of the wiring device C attached to the plate frame A is provided substantially at the center of the main portion 32.
a and 32a are provided. The size of each opening window 32a is a size corresponding to three modules. When three wiring devices C having one module size are arranged side by side on the plate frame A, or a wiring device (not shown) having three module sizes is mounted. In such a case, the functional surface of each wiring device can be exposed.

Here, the width between the opposed side walls 33 of the decorative plate main body 30 is larger than each width of the plate frame main body 1. That is, as shown in FIG. 3, when the decorative plate B is attached to the front side of the plate frame A disposed on the construction surface (wall surface) W, the plate frame main body 1 is positioned inside the decorative plate main body 30 of the decorative plate B. Then, the front edge of the side wall 33 of the decorative plate main body 30 is substantially in contact with the construction surface W. As a result, the plate frame A
The butting surface between the decorative plate B and the decorative plate B does not protrude forward than the construction surface W, so that the line of the butting can hardly be seen from the side surface, so that the appearance can be improved.

Each side wall 33 of the decorative plate body 30
Is provided with an inclined surface 33a that is inclined from the edge contacting the construction surface toward the main part 32, and abuts the side surface of the plate frame body 1 from the direction along the construction surface to move the decorative plate B. A plurality of regulating ribs 34 for regulating are provided. That is, when the decorative plate B is attached to the front side of the plate frame A, the regulating rib 34
, And the play of the decorative plate B against the plate frame main body 1 can be prevented.

On the other hand, as shown in FIG.
The tapered surface 3c that is inclined outward from the side surfaces of the side frame pieces 3 and 3 toward the back side, and a protruding portion 3d that protrudes outward continuously from the tapered surface 3c are formed. A rib 35 mounted on the front surface to prevent rattling of the decorative plate B protrudes from the main portion 32 of the decorative plate main body 30 along the inner surface of the side wall 33 in a direction orthogonal to the longitudinal direction. Here, the decorative plate B is attached to the plate frame A.
At the time of mounting, the regulating rib 34 of the decorative plate B is guided by the tapered surface 3c formed on the side frame pieces 3, 3 of the plate frame main body 1, so that there is an advantage that the mounting becomes easy.

A pair of cutouts 36 are provided on one side wall 33 along the longitudinal direction of the decorative plate main body 30 (see FIGS. 9 and 10). Is inserted to apply a force to the front side to the decorative plate main body 30 so that the locking projection 31 of the decorative plate main body 30 and the decorative plate locking hole 2 of the plate frame main body 1 are formed.
5 and the decorative plate B can be removed from the plate frame A. Here, at a position corresponding to the cutout portion 36 of the side piece 5 of the plate frame main body 1, a relief portion 21 recessed inward from the tapered surface 3c is provided, and a jig inserted into the cutout portion 36 is released. To make it easy to apply force when removing the decorative plate B. Further, a thin rib 24 extends from the rear end of the relief portion 21 to such an extent that it does not protrude from the cutout portion 36 of the decorative plate B. That is, the notch 3
There is a possibility that the construction surface may be damaged by applying a force to the jig inserted into 6 with the portion contacting the construction surface as a fulcrum, but the jig inserted into the notch portion 36 As a result, when the decorative plate B is removed from the plate frame A, it is possible to prevent the jig from damaging the construction surface.

Each of the side frame pieces 3 of the decorative plate body 30
3, three slits 6a formed in the plate frame body 1 when attached to the plate frame A
Projection strips 37a to 37c to be fitted respectively into .about.6c are arranged. Here, the dimensions of each of the protruding strips 37a to 37c are such that the inner peripheral surfaces of the slits 6a to 6c and the respective protruding strips 3 are fitted in the respective slits 6a to 6c of the plate frame main body 1.
The dimensions are set such that only a small gap is formed between the gaps 7a to 37c. That is, in a state where the decorative plate B is attached to the plate frame A to which the wiring device C is attached, the three ridges 37a to 37c are fitted into the respective slits 6a to 6c of the plate frame main body 1 as shown in FIG. Since only a small gap is formed between the inner peripheral surface of each of the slits 6a to 6c and each of the ridges 37a to 37c, the plate frame body 1
The movement (bending) of the bending pieces 4 and 4 is regulated. As a result, even when an impact such as pulling out a plug inserted into the outlet with an unusually large force when the outlet is used as the wiring device C is applied, the movement of the bending piece 4 is regulated as described above. Therefore, the locking between the locking claw 13 of the wiring device C and the locking groove 17 of the bending pieces 4 and 4 and the fixing portion 10 of the center frame piece 3 ′ are not easily released.

On the surface of the decorative plate B, a mark (trademark or the like) such as a manufacturer name, a brand name, or a product name is provided.
In many cases, the direction in which the decorative plate B is attached to the plate frame A is also uniquely determined according to the direction of the mark, and if the decorative plate B is attached in a direction other than the regular direction. It looks bad. Further, as wiring devices, those having different pitches and shapes of locking claws from the wiring device C described in the present embodiment are distributed on the market, and the present invention is applied to such other types of wiring devices. Since there is a plate frame (not shown) having a mounting structure different from that of the plate frame A, the decorative plate B of the present invention may be erroneously attached to such another type of plate frame. .

Therefore, in this embodiment, the plate frame body 1
Is formed in the upper portion of the central frame piece 3 ', and a regulating projection 38 for regulating the mounting direction and combination of the decorative plate B with respect to the plate frame A by being inserted into the through hole 23 is provided on the decorative frame. It protrudes from the back surface of the decorative plate main body 30 of the plate B. That is, the decorative plate B can be attached to the plate frame A only in the direction and combination in which the regulating protrusion 38 is inserted into the through hole 23, and the decorative plate B is in the wrong direction or the wrong combination with respect to the plate frame A. It can be prevented from being attached.

In this embodiment, three wiring devices C having one module size are arranged and mounted in each of the openings 2a and 2b having dimensions corresponding to three modules of the plate frame A.
When two wiring modules (not shown) of module size and one wiring module C of one module size are attached side by side, or a wiring tool (not shown) of three module dimensions is attached to one
Two opening windows 32a, 32a each having a size corresponding to three modules are provided in the decorative plate B corresponding to the case where only one unit is attached. For example, a wiring device C having one module size is provided at the center of one opening 2b. In the case of attaching only one, a decorative plate B2 having an opening window 32a corresponding to three module dimensions and an opening window 32a corresponding to one module dimension as shown in FIGS. 13 and 14 may be used. . Alternatively, in a case where one wiring device C having a module size is attached one by one to the upper end and the lower end of one of the openings 2b, as shown in FIGS.
What is necessary is just to use the decorative plate B3 which has the opening window 32a corresponding to an individual module size, and two opening windows 32a and 32a of the size corresponding to one module.

In this embodiment, the locking projections 31 are provided on the rear side of the decorative plate B, and the locking projections 31 are provided.
Is provided on the front surface of the plate frame A so that the decorative plate B can be easily removed from the plate frame A. Therefore, the opening portions 2a and 2b of the plate frame A can be easily removed. If a plurality of types of decorative plates B, B2, B3,... Having a plurality of opening windows 32a corresponding to the number, dimensions, etc. of the wiring devices to be arranged are prepared, the decorative plates B, B2, B3,. By rearrangement, it is possible to cope with various arrangements of wiring devices with respect to the openings 2a and 2b of the plate frame A.

[0031]

According to the first aspect of the present invention, there is provided a wiring device for installing an embedded wiring device in a form in which a rear end portion of a body of the wiring device is embedded in an embedding hole provided in a construction surface. A pair of openings exposing a front surface of a front end portion having a smaller width dimension than a rear end portion of the body, provided between the pair of openings, and provided on both sides of the rear end portion of the body. The embedding includes a fixing portion that locks one side of the protruding locking claw, a locking groove that locks the other side of the locking claw, and a flexible piece that is provided on a peripheral edge of each of the openings so as to be freely bent. A plate frame that covers the opening surface side of the insertion hole, a main portion that has a plurality of opening windows that expose the front surface of the front end of the container, and that covers the front surface of the plate frame; A side wall having a width dimension set to be larger than each width dimension of the plate frame; A decorative plate to be attached, and a locking projection is provided on the rear side of the decorative plate, and a locking hole for locking and unlocking the locking projection is provided on a front surface of the plate frame. When the decorative plate is attached to the front side of the frame, the plate frame fits inside the decorative plate, and the leading edge of the side wall of the decorative plate almost contacts the construction surface. The mating surface with the plate does not come out of front of the construction surface, and the line of the butting of both can hardly be seen from the side, making it possible to improve the appearance, and furthermore, removing the decorative plate from the plate frame Because it is easy to do, prepare multiple types of decorative plates with multiple opening windows according to the number and size of wiring equipment arranged in each opening of the plate frame If it has the effect that the decorative plate it is possible to correspond to the arrangement of the various wiring accessories for the openings of the plate frame by recombining.

According to a second aspect of the present invention, in the first aspect of the present invention, a notch for inserting a jig for removing a decorative plate is provided on a side wall of the decorative plate. By lifting the decorative plate using the principle described above, there is an effect that the locking of the locking projection and the locking hole can be released and the decorative plate can be easily removed from the plate frame.

According to a third aspect of the present invention, in the second aspect of the present invention, a relief portion for releasing a jig for removing a decorative plate is provided in the plate frame at a position corresponding to the notch portion. By releasing the jig into the escape portion, the jig can be inserted all the way to the back, and there is an effect that force can be easily applied when removing the decorative plate.

According to a fourth aspect of the present invention, in the third aspect of the present invention, a rib which does not protrude from the notch of the decorative plate extends from the rear end of the relief portion, so that the jig inserted into the notch can be used. By contacting the rib, there is an effect that it is possible to prevent the jig from damaging the construction surface when removing the decorative plate from the plate frame.

According to a fifth aspect of the present invention, in the first aspect of the present invention, the regulating means for regulating the movement of the bending piece is provided on the rear side of the decorative plate with the decorative plate attached to the front surface of the plate frame. In addition, even when a large impact or the like is applied to the wiring device because the movement of the flexible piece is restricted by the restricting means, the locking between the locking claw of the wiring device and the locking groove of the flexible piece is not easily released. There is.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a side cross-sectional view partially omitted from the above.

FIG. 4 is a half sectional view of the above, with a part omitted;

FIG. 5 is a front view of the plate frame in the above.

FIG. 6 is a rear view of the same as above, with a part of the plate frame omitted.

FIG. 7 is a half sectional view of the above plate plate with a part of the plate frame omitted;

FIG. 8 is a front view of the decorative plate in the above.

FIG. 9 is a rear view of the decorative plate in FIG.

FIG. 10 is a half sectional view of the decorative plate in the same embodiment, with a part thereof omitted;

FIG. 11 is a perspective view showing an example of the wiring device of the above.

FIG. 12 is a side sectional view of a main part in a state where the wiring device is attached.

FIG. 13 is a perspective view showing another decorative plate in the above.

FIG. 14 is a front view showing another decorative plate in the above.

FIG. 15 is a perspective view showing still another decorative plate in the above.

FIG. 16 is a front view showing still another decorative plate in the above.

[Explanation of symbols]

 Reference Signs List A plate frame B decorative plate 1 plate frame main body 2a, 2b opening 3 side frame piece 3 'central frame piece 4 flexible piece 10 fixing part 17 locking groove 25 decorative plate locking hole 30 decorative plate main body 31 locking projection 32 main Part 32a Opening window 33 Side wall-

Claims (5)

[Claims] 1. A wiring device plate for installing an embedded type wiring device in a form in which a rear end portion of a body of the wiring device is embedded in an embedding hole provided on a construction surface, the wiring device plate comprising: A pair of openings for exposing the front surface of the front end having a smaller width dimension than the rear end of the body, and one of locking claws provided between the pair of openings and protruding to both sides of the rear end of the body; Fixed part that the side locks,
A plate frame that has a locking groove for locking the other side of the locking claw and is provided on a peripheral edge of each of the openings so as to be flexibly provided to cover an opening surface side of the embedding hole; A main portion having a plurality of open windows exposing the front end portion of the front surface of the body and covering the front surface of the plate frame; A decorative plate attached to the front surface of the plate frame having a large-sized side wall, and a locking projection is projected from a rear side of the decorative plate, and the locking projection is detachably locked. A plate for a wiring device, wherein a locking hole is provided on a front surface of the plate frame. 2. The wiring device plate according to claim 1, wherein a notch portion for inserting a jig for removing the decorative plate is provided on a side wall of the decorative plate. 3. The wiring device plate according to claim 2, wherein a relief portion for releasing a jig for removing the decorative plate is provided in the plate frame at a position corresponding to the cutout portion. 4. The wiring device plate according to claim 3, wherein a rib that does not protrude from a cutout portion of the decorative plate extends from a rear end of the relief portion. 5. The wiring device according to claim 1, wherein a regulating means for regulating the movement of the bending piece is provided on the rear side of the decorative plate with the decorative plate attached to the front surface of the plate frame. plate.