JPH11168813A - Plate for wiring attachment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To arrange a wiring attachment with good appearance in an embedding cavity provided in a building surface. SOLUTION: This plate body 40 of an intermediate plate B to be mounted on the front of a plate frame A is a solidly formed in roughly box shape comprising a main part 41 and a sidewall 42 protruding from the entire circumfernetial edge of the main part 41 to the backside. A metal plate C is mounted on the front of this middle plate B. The width between opposite sidwalls 42 of the plate body 40 is made larger than each width of a plate frame body 1. Specifically, when the middle plate B is mounted on the front side of the plate frame A arranged in a building surface, the plate frame body 1 is stored inside the plate body 40 of the middle plate B and the end edge of the sidewall 42 of the plate body 40 almost makes contact with the building surface. As a result, the fitted part of the plate frame A to the intermediate plate B will not come out forward further than the building surface unlike the case of conventional attachment. This enables improvement of the appearance by making the fitted line of the two parts practically unseen from the side.

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 arranging wiring devices in buried holes provided in a construction surface such as a wall surface.

[0002]

2. Description of the Related Art Conventionally, an embedding box (switch box) is embedded 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 attached is embedded. From the front side of the box, attach the middle plate to the front of the plate frame, and attach a metal plate for decoration to the front of the middle plate to embed the wiring device on the wall etc. A wiring device plate adapted to be embedded is provided.

[0003]

However, in the above-mentioned conventional structure, the abutting surface of the plate frame and the middle plate protrudes forward of the wall surface, so that the abutting line of the two can be seen on the side surface or the two can be relatively positioned. There was a problem that the appearance deteriorated due to deviation. SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, and it is an object of the present invention to provide a wiring device plate that allows a wiring device to be installed in a buried hole provided on a construction surface with good appearance.

[0004]

According to a first aspect of the present invention, an opening for exposing a functional surface of an embedded wiring device and a locking claw provided on the wiring device are locked. A fixed beam portion having a locking groove to be provided and provided on a peripheral edge of the opening, and a movable beam portion having a locking groove for locking the locking claw and being flexibly provided on the peripheral edge of the opening portion. A plate frame that covers the opening surface side of the embedding hole provided on the construction surface, a main portion that has an opening window that exposes a functional surface of the wiring device, and covers a front surface of the plate frame, and substantially the entire periphery of the main portion. A middle plate having a more protruding side wall and attached to the front surface of the plate frame, and a metal plate having an exposure window for exposing a functional surface of the wiring device and covering a front surface of the middle plate,
A width dimension between opposed side walls of the middle plate is made larger than each width dimension of the plate frame,
When the middle plate is attached to the front side of the plate frame, the plate frame fits inside the middle plate, and the leading edge of the side wall of the middle plate almost comes into contact with the construction surface. The abutting surface with the middle plate does not protrude forward from the construction surface, and the abutting line of the two can hardly be seen from the side surface, so that the appearance can be improved.

According to a second aspect of the present invention, in the first aspect of the present invention, at least a part of the metal plate is press-fitted into the middle plate, and the metal plate is attached to the middle plate. The plate can be easily attached to the middle plate. According to a third aspect of the present invention, in the first aspect, the metal plate is attached to the middle plate with a double-sided tape, and the metal plate can be easily attached to the middle plate.

According to a fourth aspect of the present invention, in the first aspect of the present invention, the metal plate is provided with one or more locking portions, and one or more locked portions which engage with each locking portion in an uneven manner. The present invention is characterized in that the metal plate is provided on the middle plate, and the metal plate can be easily attached to the middle plate without any special process or attachment member, and the working efficiency of assembly can be improved.

According to a fifth aspect of the present invention, in the first aspect of the present invention, the metal plate is heat-bonded to the middle plate, and the metal plate can be easily attached to the middle plate. According to a sixth aspect of the present invention, in the first aspect of the present invention, a part of the metal plate is folded back to the rear side of the middle plate, and the metal plate can be easily attached to the middle plate. .

According to a seventh aspect of the present invention, in the first aspect of the present invention, a rib for abutting against a side surface of the plate frame is provided on an inner side surface of the middle plate. It is possible to prevent rattling in the direction along the construction surface. According to an eighth aspect of the present invention, in the first aspect of the present invention, an abutting portion that abuts on a side surface of the plate frame is provided on a side wall of the middle plate over substantially the entire circumference. The rattling in the direction along the construction surface of the plate can be prevented.

A ninth aspect of the present invention is characterized in that, in the invention of the seventh or eighth aspect, an overhanging portion is provided on at least a part of the periphery of the plate frame so that the rib or the abutting portion abuts from the front side. Thus, rattling in a direction substantially perpendicular to the construction surface of the middle plate with respect to the plate frame can be prevented. According to a tenth aspect of the present invention, in the ninth aspect, an insertion hole through which a box screw for attaching to an embedding box embedded in the embedding hole is provided in the plate frame, and the projecting portion is provided. It is characterized by being provided at a portion other than the periphery of the insertion hole, and even if the plate frame is deformed by tightening the box screw, the overhang can be attached with good appearance without interfering with the middle plate.

An eleventh aspect of the present invention is characterized in that, in the first aspect of the present invention, a tapered surface which guides in a direction in which the middle plate is mounted is formed on a peripheral portion of the plate frame. The middle plate can be easily mounted by being guided by the tapered surface when the cover is put on from the front side of the cover. The twelfth aspect of the invention is the first aspect of the invention.
The invention according to the above, characterized in that a tapered surface that guides in a mounting direction to the plate frame is formed at a peripheral portion of the middle plate, and the middle plate is formed by the tapered surface when the middle plate is covered from the front side of the plate frame. Can be easily mounted by being guided.

According to a thirteenth aspect of the present invention, in the first aspect of the present invention, a locking projection is provided on a rear side of the middle plate, and a locking hole for locking the locking projection is formed on a front surface of the plate frame. And a notch for inserting a jig for removing the middle plate is provided on a side wall of the middle plate, and a jig is inserted into the notch and the middle plate is lifted up using the principle of leverage. The middle plate can be easily removed from the plate frame by releasing the locking between the locking projection and the locking hole.

According to a fourteenth aspect of the present invention, in the thirteenth aspect, a relief portion for releasing a jig for removing the middle plate at a position corresponding to the notch portion is provided in the plate frame. By releasing the jig inserted into the part to the escape part, the jig can be inserted all the way to the back and force can be easily applied when removing the middle plate. According to a fifteenth aspect of the present invention, in the invention of the fourteenth aspect, a rib that does not protrude from the notch portion of the middle plate extends from the rear end of the relief portion. When the tool abuts the rib, it is possible to prevent the jig from damaging the construction surface when removing the middle plate from the plate frame.

According to a sixteenth aspect of the present invention, in the first aspect of the present invention, the movable beam portion is provided at both ends of the movable beam portion with one side frame piece of the plate frame to flexibly connect the movable beam portion. It is characterized in that both ends of the slit formed between the beam portion and the side frame piece are bent toward the connection portion, and a strong pressing force from the front side to the back direction is applied to the wiring device attached to the plate frame. When it is added, the movable beam part is bent so as to fall to the opening side, so that the locking claw of the wiring device does not come off from the locking groove of the movable beam portion, and the wiring device can be dropped from the plate frame. Can be prevented.

According to a seventeenth aspect of the present invention, in the first aspect of the present invention, the locking groove is provided in the fixed beam portion and the movable beam portion at an equal pitch, and a mounting position of the wiring device with respect to the plate frame. Can be expanded. According to an eighteenth aspect of the present invention, in the first aspect of the present invention, when a wiring device is locked and fixed to the fixed beam part and the movable beam part by exposing a functional surface from the opening part of the plate frame, wiring to the opening part is performed. Partition ribs for partitioning the mounting position of the device at a predetermined position are provided on the fixed beam portion and the movable beam portion, so that the mounting position of the wiring device with respect to the plate frame can be prevented from being mistaken.

In a nineteenth aspect of the present invention, in the sixteenth aspect of the present invention, a ridge that fits into the slit formed between the movable beam portion and the side frame piece projects from the rear surface of the middle plate. Since the movement of the movable beam is restricted by the ridge, even when a large impact is applied to the wiring device, the engagement between the locking claw of the wiring device and the locking groove of the movable beam can be reduced. It is difficult to stop.

According to a twentieth aspect of the present invention, in the first aspect of the present invention, when the wiring claw is fixed to the locking groove of the fixed beam part and the movable beam part and the wiring device is mounted on the plate frame, The plate frame is provided with a means for contacting at least a part of the side surface of the wiring device to suppress rattling of the wiring device, and the rattling of the wiring device attached to the plate frame is suppressed. In addition to the above, even when unnecessary force is applied to the wiring device, it is possible to prevent the occurrence of troubles such as breakage of the locking claws.

According to a twenty-first aspect of the present invention, in the thirteenth aspect, the peripheral portion of the locking hole of the plate frame is formed at least to be thin, and the plate frame is slightly shaped by tightening a box screw or the like. Even if it is deformed, the peripheral portion of the locking hole is formed to be thin, so that the deformation of the locking hole is hardly affected, and the middle plate can be attached to the plate frame with good appearance.

According to a twenty-second aspect of the present invention, in the first aspect of the present invention, an instrument removal hole penetrating from the front surface of the side frame piece of the plate frame to a surface of the fixed beam portion facing the wiring instrument is provided between the locking grooves. It is characterized by the fact that it is possible to bend the movable beam part with a small force by the principle of leverage if you push the wiring tool toward the movable beam side with the tip of the jig inserted into the instrument removal hole, and fix it The wiring device can be easily removed from the plate frame by releasing the locking between the locking groove on the beam portion and the locking claw of the wiring device.

According to a twenty-third aspect of the present invention, in order to achieve the above object, a pair of openings for exposing a functional surface of an embedded wiring device, and a locking groove for locking a locking claw provided in the wiring device. A fixed beam portion provided between the pair of openings, and a movable beam portion having a locking groove for locking the locking claw and being flexibly provided on a peripheral edge of each of the openings. A plate frame that covers the opening surface side of the embedding hole provided on the surface, a main portion that has a pair of opening windows that expose the functional surface of the wiring device and covers the front surface of the plate frame, and substantially the entire periphery of the main portion A middle plate having a more protruding side wall and attached to a front surface of the plate frame; and a metal plate having a pair of exposed windows for exposing a functional surface of the wiring device and covering a front surface of the middle plate, The width between the opposing side walls of the middle plate is determined by the width of each of the plate frames. It is characterized by being larger than the method, when the middle plate is attached to the front side of the plate frame, the plate frame fits inside the middle plate, and the leading edge of the side wall of the middle plate almost abuts the construction surface Therefore, the abutting surface of the plate frame and the middle plate does not come out ahead of the construction surface as in the past, and the line of the abutting of both is hardly visible from the side to improve the appearance. And a wiring frame is provided by using two sets of the plate frame, the middle plate and the metal plate, and only one set of the plate frame, the middle plate and the metal plate is required, and the number of parts can be reduced. The number of wiring devices and the pattern of combinations that can be arranged at the locations are increased, and the usability is improved.

[0020]

(First Embodiment) A first embodiment of the present invention will be described with reference to FIGS. The wiring device plate of the present invention includes a plate frame A, a middle plate B, and a metal plate C. Each member of the rectangular frame-shaped plate frame main body 1 is integrally formed of a synthetic resin having an insulating property (a thermoplastic resin such as an ABS resin or a thermosetting resin having elasticity). The functional surface (the surface provided with the switch operating body and the surface provided with the outlet of the outlet) of the body 60 of the embedded wiring device D such as a switch or an outlet as shown in FIG. 14 is exposed to the front side. For this purpose, a rectangular opening 2 is provided. A strip-shaped fixed beam portion 4 and a movable beam portion 5 are provided on the peripheral back side of the opening 2 so as to face each other along the longitudinal direction of the opening 2. The movable beam part 5 is separated from one of the side frame pieces 3b of the pair of side frame pieces 3a and 3b along the longitudinal direction of the plate frame body 1, and is connected to the side frame pieces 3b at both ends by the connecting part 6.
It is integrally connected to. Here, the synthetic resin forming the plate frame main body 1 including the movable beam portion 5 and the connecting portion 6 is a flexible material, and the movable beam portion 5 and the connecting portion 6 are respectively provided with respect to the plate frame main body 1. It is flexible.

The movable beam 5 is supported by a pair of narrow ribs 7 extending integrally from the side frame 3b, and a gap formed between the movable beam 5 and the side frame 3b is formed. The rib 7 separates three portions (hereinafter, each portion is referred to as a slit 8
a to 8c. ). Outer ends of the slits 8a and 8c on both sides are bent toward the connecting portion 6. Further, a pair of slots 9 having a long hole shape is provided in a portion near each rib 7 of the side frame piece 3b in order to make the movable beam portion 5 easily bendable.

On the other hand, on the surfaces of the fixed beam portion 4 and the movable beam portion 5 on the opening 2 side, a pair of locking claws 61 projecting from both side surfaces of the body 60 of the wiring device D are locked. Stop grooves 4a, 5
a are provided at equal pitches of three pairs each. Accordingly, the locking claws 61 provided on the body 60 of the wiring device D are connected to the respective locking grooves 4.
By locking to the a and 5a, the body 60 of the wiring device D can be attached to the plate frame main body 1 with the functional surface of the body 60 exposed from the opening 2. Here, the tip of the fixed beam portion 4 and the movable beam portion 5 is provided with a wiring device D.
The locking claw 61 is inserted into the locking groove 4 from the rear side of the plate frame body 1.
a, 5a, each locking claw 61 is engaged with the locking groove 4a, 5a.
Guide portions 4b and 5b each having a tapered surface inclined outward are provided for guiding to 5a. That is, as shown in FIG. 15, when attaching the wiring device D to the plate frame A, the body 60 of the wiring device D is attached to the plate frame body with the locking claws 61 abutting on the tapered surfaces of the guide portions 4b and 5b. 1 is pushed from the back side to the front side, the locking claws 61
Is moved along the tapered surfaces of the guide portions 4b, 5b, and is guided by the guide portions 4b, 5b, and can be smoothly locked in the locking grooves 4a, 5a.

Further, between the bases of the fixed beam portion 4 and the movable beam portion 5 and the edge of the opening 2 of the plate frame main body 1, a locking claw 61 is locked in each of the locking grooves 4a, 5a. Abutting portions 4d that abut on a part of the front side of the body 60 of the wiring device D in the folded state,
5d is provided. Therefore, when a force is applied to the body 60 of the wiring device D in the front direction of the plate frame A in a state where the body 60 is attached to the plate frame A, the movement of the body 60 to the front side is prevented by the contact portions 4d and 5d. Can be regulated by:
Similarly, when a force is applied to the body 60 of the wiring device D in the rear direction of the plate frame A, the locking claw 61 and the locking groove 4a,
The movement of the container body 60 can be restricted because of contact with 5a. Moreover, the movable beam portion 5 of the plate frame body 1 and the side frame pieces 3b
Is thinner because the outer end portions of the slits 8a and 8c are bent to form a thin portion. When a strong pressing force is applied to the movable beam portion 5, the movable beam portion 5 bends so as to fall to the opening 2 side.
The locking claw 61 provided on the body 60 of the wiring device D does not come off from the position a, so that the wiring device D can be prevented from falling off from the plate frame A.

Further, an instrument removing hole 4c penetrating from the front side of the plate frame body 1 between the locking grooves 4a in the fixed beam portion 4.
Is inserted, and a tip of a driver or a jig dedicated to removal is inserted into the tool removing hole 4c, and the instrument body 60 is pushed toward the movable beam portion 5 by the tip of the jig. According to the principle, the movable beam portion 5 can be bent with a slight force, and the locking groove 4a on the fixed beam portion 4 side and the locking claw 61 of the body 60 are released to release the wiring device from the plate frame main body 1. The D body 60 can be removed.

The dimensions of the opening 2 are based on the dimensions of the wiring device D shown in FIG. 14 (hereinafter, this size is referred to as "one module size").
In a state in which the longitudinal direction of the wiring device D is substantially perpendicular to the longitudinal direction of the opening 2, three wiring devices D each having a module size can be mounted side by side in a direction perpendicular to the longitudinal direction (hereinafter, referred to as a dimension).
This size is called "three module size". ). Similarly, the pitch of the locking grooves 4a, 5a provided in the fixed beam portion 4 and the movable beam portion 5 of the plate frame main body 1 is such that the pitch of the locking protrusions protrudes from the side of the body 60 of the wiring device D having one module. It is equal to the pitch of the pawl 61. The above 1
The dimensions of the individual module may be set to appropriate values (for example, Japanese Industrial Standard large square continuous wiring equipment (JIS C8
304), etc.), wiring devices suitable for such module dimensions can be commonly attached to the plate frame A.

On the other hand, since the locking grooves 4a, 5a of the fixed beam portion 4 and the movable beam portion 5 are all provided at equal pitches of six, a wiring device D having one module size is attached to the plate frame main body 1. At this time, the pair of locking claws 61 provided on the body 60 of the wiring device D can be locked in any of the locking grooves 4a, 5a, and the wiring device D is attached to the opening 2 of the plate frame body 1. The position can be arbitrarily selected from among five types. In the case of a wiring module having a size of two modules, it can be selected from three mounting positions.

By the way, a recess 11 is formed in each of both side pieces 10 facing the longitudinal direction of the plate frame main body 1.
Each recess 11 has a slot 1 through which a box screw for attaching the plate frame A to an embedding box (not shown) is inserted.
2, a screw insertion hole 13 into which screws for directly attaching the plate frame A to a construction surface such as a wall surface are inserted, and a scissor metal fitting (not shown) used when the plate frame A is attached to a wall panel or the like forming the construction surface. And a scissor fitting locking hole 14 for locking the hole.

At four corners of the plate frame main body 1, locking projections 4 projecting from the back surface of the plate main body 40 of the middle plate B are provided.
The middle plate B is provided on the front side of the plate frame A by inserting and locking the locking projections 43 in these middle plate locking holes 15. It can be attached. on the other hand,
The plate body 40 of the middle plate B is made of a synthetic resin having an insulating property (a thermoplastic resin such as an ABS resin or a thermosetting resin having elasticity), and a rectangular main portion 41 that covers the front surface of the plate frame A; It has a substantially box shape in which a side wall 42 projecting rearward from the entire periphery of the portion 41 is integrally formed. The locking projections 43 are provided at four corners on the rear side of the main portion 41. An opening window 41a that exposes a functional surface of the wiring device D attached to the plate frame A is provided substantially at the center of the main portion 41. Here, the opposing side walls 42 of the plate body 40
The width between them is larger than each width of the plate frame body 1. That is, when the middle plate B is attached to the front side of the plate frame A disposed on the construction surface, the plate frame main body 1 fits inside the plate main body 40 of the middle plate B,
The leading edge of the side wall 42 of the plate main body 40 substantially contacts the construction surface. As a result, the abutting surface of the plate frame A and the middle plate B does not protrude forward from the construction surface as in the related art, and the abutting line of the two is hardly seen from the side surface, thereby improving the appearance. Can be.

Each of the side walls 42 of the plate main body 40 is provided with an inclined surface 42a which is inclined toward the main portion 41 from an edge contacting the construction surface, and is provided on the side surface of the plate frame body 1 along the construction surface. A plurality of regulating ribs 44 are provided to regulate the movement of the middle plate B by abutting from different directions. That is, when the middle plate B is attached to the front side of the plate frame A, the regulating ribs 44 abut on the side surface of the plate frame main body 1, so that the play of the middle plate B with respect to the plate frame main body 1 can be prevented.

On the other hand, as shown in FIG.
A tapered surface 3c that slopes outward from the side surfaces of the side frame pieces 3a, 3b toward the rear side, and a protruding portion 3d that protrudes outward continuously from the tapered surface 3c.
A rib 45 mounted on the front surface of the overhang portion 3d and preventing rattling of the middle plate B protrudes from the main portion 41 of the plate body 40 along the inner surface of the side wall 42 in a direction orthogonal to the longitudinal direction. It is. Here, when the middle plate B is attached to the plate frame A, the tapered surface 3 formed on the side frame pieces 3a, 3b of the plate frame body 1 by the regulating ribs 44 of the middle plate B.
There is an advantage that mounting is facilitated because it is guided by c. Instead of the restricting rib 44 and the rattling preventing rib 45, a contact portion that contacts the overhang 3d of the plate frame body 1 is provided along the side wall 42 over the entire circumference. Also in this case, plate frame A
Rattling of the middle plate B can be prevented.

A pair of cutouts 46 are provided in one side wall 42 along the longitudinal direction of the plate body 40, and a jig (a tip of a driver or the like) is inserted into the cutouts 46 so that the plate body 40 has a front side. To release the locking between the locking projection 43 of the plate body 40 and the middle plate locking hole 15 of the plate frame body 1 so that the middle plate B can be removed from the plate frame A. It is.
Here, at a position corresponding to the cutout portion 46 of the side frame piece 3b of the plate frame main body 1, a relief portion 16 recessed inward from the tapered surface 3c is provided, and a jig inserted into the cutout portion 46 is released. As a result, the inner plate B can be inserted all the way, and a force is easily applied when removing the middle plate B. Further, a rib 17 having a smaller thickness than the protruding portion 3d is provided from the rear end of the relief portion 16.
It extends so as not to protrude from the notch 46 of the middle plate B. That is, there is a possibility that the construction surface may be damaged by applying force to the jig inserted into the notch portion 46 with a portion contacting the construction surface as a fulcrum, but the jig inserted into the notch portion 46 by providing the rib 17. Comes into contact with the ribs 17, and it is possible to prevent the jig from damaging the construction surface when removing the middle plate B from the plate frame A.

On the back side of the plate main body 40, there are provided three plates provided on the plate frame main body 1 when attached to the plate frame A.
Ridge 4 fitted into each of the two slits 8a to 8c
8a to 48c are arranged in line. Here, each ridge 48a
４８48c is the size of each slit 8a of the plate frame body 1.
8c is set so that only a small gap is formed between the inner peripheral surface of each of the slits 8a to 8c and each of the ridges 48a to 48c. That is, in a state where the middle plate B is attached to the plate frame A to which the wiring device D is attached, the three ridges 48a to 48c are fitted into the slits 8a to 8c of the plate frame main body 1, and the slits 8a
Since only a small gap is formed between the inner peripheral surface of the main frame 8c and each of the ridges 48a to 48c, the movement (bending) of the movable beam 5 of the plate frame main body 1 is restricted. As a result, the movement of the movable beam portion 5 is restricted as described above even when an impact such as pulling out a plug inserted into the outlet with an abnormally large force when the outlet is used as the wiring device D is applied. Therefore, the locking claws 61 of the wiring device D and the locking grooves 5a, 4 of the movable beam portion 5 and the fixed beam portion 4 are provided.
This makes it difficult to release the lock with a.

The overhang 3d on which the regulating ribs 44 and the rattling preventing ribs 45 of the middle plate B are mounted may be provided on the entire periphery of the plate frame body 1. In this case, When the box screw is tightened to attach it to the embedded box, the plate frame main body 1 is slightly deformed, so that the middle plate B and the plate frame main body 1 interfere with each other around the long hole 12 through which the box screw is inserted. However, the middle plate B may not be attached with good appearance. Therefore,
As in the present embodiment, the periphery of the elongated hole 12 (the plate frame main body 1)
The four corners are escaped to form the overhangs 3d, so that even if the plate frame main body 1 is deformed by tightening the box screws, it can be mounted with good appearance without interfering with the middle plate B.

A metal plate C is attached to the front surface of the middle plate B in order to improve the appearance of the decoration or design and to improve the fire resistance. This metal plate C
As shown in FIG. 7, an exposure window 31 (corresponding to the size of three modules) is formed substantially at the center to expose functional surfaces of three wiring devices D, and is formed in a substantially arcuate shape toward the rear side along the longitudinal direction. And a metal plate main body 30 having a side portion 30a bent in a bent shape.

On both sides 30a of the metal plate body 30 facing in the short width direction, four attachment pieces 32 are provided at substantially equal intervals.
Are attached to the rear side, and a projection-shaped engaging portion 33 is provided on the inner surface of each attachment piece 32 so as to project therefrom. As shown in FIG. 8, the locking portion 33 is formed with a tapered surface 33a that is inclined inward as the distance from the tip of the side portion 30a increases.

On the other hand, on the front side of the plate body 40 of the middle plate B, a fitting recess 4 into which the metal plate body 30 is fitted is provided.
7 are formed, and insertion grooves 49 are formed in both side walls 42 of the plate main body 40, into which the tip portions of both side parts 30a of the metal plate main body 30 are inserted. Here, FIG.
As shown in FIG. 6, each attachment piece 32 of the metal plate body 30
A concave portion 50 for releasing the attachment piece 32 is provided on both side walls 42 at positions corresponding to the concave portions 50. Further, a flexible member in which the engaging portion 33 of the metal plate C engages with the concave and convex at the end facing the concave portion 50. A mating piece 51 is formed integrally with the plate body 40.

As shown in FIG. 12, the distal ends of both sides 30a of the metal plate C are inserted into the insertion grooves 49 formed in the side walls 42 of the plate body 40.
The attachment piece 32 of the metal plate C enters the recess 50. At this time, the tapered surface 33a of the locking portion 33 projecting from the inner surface of the attachment piece 32 comes into contact with the engagement piece 51, and receives a pressing force from the locking portion 33 as the attachment piece 32 is pushed. The engaging piece 51 is bent, and as shown in FIG.
Of the metal plate C and the locking portion 33 of the attachment piece 32 are engaged with each other, and the metal plate body 30 of the metal plate C is fitted into the fitting recess 47 on the front surface of the plate frame body 40 of the middle plate B and locked. It is fixed (prevented from coming off) by uneven engagement between the portion 33 and the engagement piece 51.

In this embodiment, the metal plate C is fixed to the middle plate B by the concave and convex engagement between the locking portion 33 of the attachment piece 32 provided on the metal plate C and the engaging piece 51 provided on the plate body 40. It is attached to the front and fixed.
The insertion groove 49 of the plate body 40 without the
Alternatively, the tip portions of both side portions 30a of the metal plate body 30 may be press-fitted and fixed.

Alternatively, the metal plate body 30 may be adhered to the front surface of the plate body 40 using a double-sided tape, the metal plate body 30 may be heat-bonded to the front surface of the synthetic resin plate body 40, or The leading end portions of both side portions 30 a of the metal plate body 30 are inserted into slits (not shown) provided in the metal plate body 40, and the leading end portions are turned back to the rear side of the plate body 40, thereby forming the metal plate body 30.
May be fixed to the plate body 40.

However, if the metal plate C and the middle plate B are fixed by the concave and convex engagement between the engaging portion 33 of the attaching piece 32 and the engaging piece 51 as in this embodiment, press-fitting, folding back, etc. This is most desirable in that the metal plate C can be easily attached to the middle plate B without any special process or an attaching member such as a double-sided tape, and the efficiency of assembly work can be improved.

In this embodiment, three wiring devices D each having a module size are attached to the substantially center of the plate frame A, or the middle plate B and the metal plate 3 in the approximate center of C
An opening window 41a and an exposure window 31 for exposing the functional surface of the wiring equipment D are provided. For example, if only one wiring equipment D having one module size is attached, FIG.
Opening window 4 corresponding to one module size as shown in 6
It is sufficient to use a middle plate B having 1a and a metal plate C having an exposure window 31 corresponding to one module size. Alternatively, a wiring module (not shown) having two module dimensions may be attached, or a wiring module D having one module dimension may be attached.
When two are mounted side by side, a middle plate B having an opening window 41a corresponding to two module dimensions and a metal plate C having an exposure window 31 corresponding to two module dimensions as shown in FIG. 17 are used. Good. Further, in the case where two wiring devices D each having one module size are separately mounted, a middle plate B having two opening windows 41a and 41a corresponding to one module size as shown in FIG. What is necessary is just to use the metal plate C which has two exposure windows 31 and 31 corresponding to a dimension.

(Embodiment 2) A second embodiment of the present invention will be described with reference to FIGS. However, the basic configuration of this embodiment is the same as that of the first embodiment, and the common parts are denoted by the same reference numerals, and illustration and description thereof are omitted. In the first embodiment described above, all the locking grooves 4a, 5a of the fixed beam portion 4 and the movable beam portion 5 are all provided at equal pitches, thereby attaching the wiring device D to the opening 2 of the plate frame main body 1. The position can be arbitrarily selected from several types. However, as the mounting positions of the wiring device D with respect to the plate frame A increase, it is necessary to align the middle plate B having the opening windows 41a corresponding to the respective mounting positions and the metal plate C having the exposure windows 31 corresponding to the respective mounting positions. There are also disadvantages such as the occurrence of.

Therefore, in the present embodiment, the plate frame A 3
The locking groove 4a of the fixed beam portion 4 and the movable beam portion 5 in order to limit the mounting position so that three wiring devices D having one module size can be mounted side by side with respect to the opening portion 2 having one module size. , 5a is provided with a partition rib 20 protruding therefrom. These partitioning ribs 20 are provided on the inner surface of the fixed beam portion 4 and the movable beam portion 5 in a pair, and a pair of locking ribs 4a and 5a are provided on the inner surface of the movable beam portion 5, respectively. It protrudes integrally with the main body 1. That is, even if it is attempted to mount the wiring device D at a position other than the mounting positions where the three devices can be mounted side by side, the locking grooves 4
The partition ribs 20 protruding between the sets a and 5a
Can not be installed because it interferes with Further, in the present embodiment, each partition rib 20 protrudes at a position such that the partition rib 20 abuts at least a part of the side surface of the housing 60 when the housing 60 of the wiring device D is mounted at the mounting position. That is, the means for suppressing the rattling of the body 60 of the wiring device D attached to the plate frame A is also used by the partition rib 20. Therefore, it is possible to prevent occurrence of troubles such as breakage of the locking claws 61 even when unnecessary force is applied to the body 60 by suppressing rattling of the body 60 in the attached state.

(Embodiment 3) A third embodiment of the present invention will be described with reference to FIGS. In the above-described first and second embodiments, the so-called single type having only one opening 2 having three module dimensions in the approximate center of the plate frame main body 1 has been exemplified. Part 2
Are arranged in a direction orthogonal to the longitudinal direction, that is, a so-called double type. Since the basic configuration is common to the first and second embodiments, the common parts are denoted by the same reference numerals and description thereof is omitted.

As shown in FIG. 22, the plate frame body 1 'of the plate frame A' according to the present embodiment has two plate frame bodies 1 of the first embodiment arranged side by side in the direction orthogonal to the longitudinal direction. It has such a structure. At the approximate center of the plate frame body 1 ′, an opening 2 having three module dimensions is provided.
_1, 2 ₂ is provided with side by side in a direction perpendicular to the longitudinal direction, are two openings 2 _1, 2 ₂ fixed beam portion 4 'to the central frame pieces for partitioning provided. As shown in FIG. 23, on each side surface of the fixed beam portion 4 ', a total of three pairs of locking grooves 4a are provided at equal pitches. A partition rib 20 protrudes outside the set of the locking grooves 4a as in the second embodiment.

Further, both side frame pieces 3a of the plate frame body 1 ',
3b is provided with a movable beam portion 5, slits 8a to 8c, and a groove 9 connected by a connecting portion 6, and each movable beam portion 5 is provided with a pair of a total of three sets of locking grooves 5a. is there.
More each opening 2 _1, 2 ₂ sides side pieces 10, respectively the recess 11, the long hole 12, the screw insertion holes 13 and scissors fitting locking hole 14 Yes and is provided, at the four corners of the plate frame body 1 ' Is provided with a middle plate locking hole 15 into which the locking projection 43 of the middle plate B 'is inserted and locked.

On the other hand, the middle plate B 'in this embodiment
25 and 26, a pair of opening windows 4 arranged in a direction substantially perpendicular to the longitudinal direction substantially at the center of a main portion 41 'having a side wall 42' formed over the entire circumference as shown in FIGS.
1a ′. The size of the opening window 41a 'is a size corresponding to the size of three modules. When the three wiring devices D each having one module size are arranged side by side on the plate frame A', or when the wiring device D having three module sizes is mounted. When attached, the functional surface of each wiring device D can be exposed. Also in this embodiment, since the width between the opposed side walls 42 'of the plate body 40' is larger than each width of the plate frame body 1 ', the middle plate B is provided on the front side of the plate frame A'. When ′ is attached, the plate frame main body 1 ′ fits inside the plate main body 40 ′, and as in the first embodiment, the butting line of the two can hardly be seen from the side surface, so that the appearance can be improved. . On the back of the main portion 41 ', a locking projection 43 inserted and locked into the middle plate locking hole 15 of the plate frame main body 1', and a projection fitted into each of the slits 8a to 8c of the side frame pieces 3a, 3b. Strips 48a to 48c protrude. Further, on the side wall 42 ', a regulating rib 44 which abuts against a side surface of the plate frame main body 1' to prevent the middle plate B 'from rattling with the plate frame main body 1', and a protrusion 3d of the plate frame main body 1 '. A rib 45 is provided on the front surface to prevent rattling of the middle plate B ', and a notch 46 into which a jig is inserted when the middle plate B' is removed from the plate frame A 'is provided.

On the other hand, the plate body 4 of the middle plate B '
On the front side of 0 ', a fitting recess 47 is formed for fitting the metal plate body 30' of the metal plate C 'as shown in FIGS. 25 and 27, and furthermore, both side walls 42' of the plate body 40 '. Has both sides 30a 'of the metal plate body 30'
Is formed with an insertion groove 49 into which the tip portion of is inserted.
As shown in FIG. 27, the attachment pieces 3 are provided on both side walls 42 'at positions corresponding to the attachment pieces 32 of the metal plate main body 30'.
A concave portion 50 for releasing the second plate 2 is provided, and a flexible engagement piece 51 with which the locking portion 33 of the metal plate C ′ engages unevenly is provided at the end facing the concave portion 50.
It is formed integrally.

As shown in FIG. 28, the metal plate C 'has a pair of exposed windows 31 ₁ , 3 corresponding to three module sizes.
1 ₂ is formed so as to be aligned in a direction perpendicular to the longitudinal direction. In addition, four attachment pieces 32 are respectively provided at substantially equal intervals on the opposite side portions 30 a ′ of the metal plate main body 30 ′ on the rear side, and the inner surface of each attachment piece 32 has a projecting shape. Are protrudingly provided. The locking portion 33 is formed with a tapered surface 33a that is inclined inward as the distance from the tip of the side portion 30a 'increases.

Thus, both side walls 4 of the plate body 40 '
The distal end portions of both sides 30a 'of the metal plate C' are inserted into the insertion grooves 49 formed in the 2 ', and the attachment pieces 32 of the metal plate C' enter the concave portions 50. At this time, the tapered surface 33a of the locking portion 33 projecting from the inner surface of the attachment piece 32 comes into contact with the engagement piece 51, and receives a pressing force from the locking portion 33 as the attachment piece 32 is pushed. The bent engagement piece 51 is bent, and as shown in FIG. 31, the tip of the engagement piece 51 and the locking portion 33 of the attachment piece 32 are engaged unevenly, and the metal plate main body 30 ′ of the metal plate C ′ is in the middle. The plate B ′ is fitted into the fitting recess 47 on the front surface of the plate frame main body 40 ′, and is fixed (prevented from being removed) by the concave and convex engagement between the locking portion 33 and the engaging piece 51.

In this embodiment, when a wiring device is provided using two sets of the plate frame A, the middle plate B and the metal plate C, the plate frame A ', the middle plate B' and the metal plate C 'are used. Is only one set, and there is an advantage that the number of parts can be reduced. In addition, the number of wiring devices that can be arranged at one place and the number of combinations of wiring devices are increased, and there is an advantage that usability is improved.

[0052]

According to the first aspect of the present invention, there is provided an opening for exposing a functional surface of an embedded wiring device, and a locking groove for locking a locking claw provided in the wiring device. An opening surface of an embedding hole provided in a construction surface, comprising a movable beam portion having a locking groove for locking the locking claw, and a movable beam portion provided on a peripheral edge of the opening portion so as to be flexibly provided. A plate frame that covers the side,
A main portion having an opening window for exposing a functional surface of the wiring device and covering a front surface of the plate frame, a middle plate having a side wall protruding from substantially the entire peripheral edge of the main portion and being attached to the front surface of the plate frame; A metal plate having an exposure window for exposing a functional surface of the wiring device and covering a front surface of the middle plate, wherein a width between opposed side walls of the middle plate is larger than each width of the plate frame. When the middle plate is attached to the front side of the plate frame, the plate frame fits inside the middle plate, and the leading edge of the side wall of the middle plate almost comes into contact with the construction surface. In this way, the abutting surface of the plate frame and the middle plate does not protrude forward than the construction surface, and the abutting line of the two can hardly be seen from the side surface, so that the appearance can be improved. There is an effect that.

According to the second aspect of the present invention, since at least a part of the metal plate is press-fitted into the middle plate and the metal plate is attached to the middle plate, the metal plate is easily attached to the middle plate. There is an effect that can be. According to the third aspect of the present invention, since the metal plate is attached to the middle plate with a double-sided tape, the metal plate can be easily attached to the middle plate.

According to a fourth aspect of the present invention, the metal plate has one
And a plurality of locking portions, and one or a plurality of locked portions, which engage with each locking portion in a concave and convex manner, are provided on the middle plate. The plate can be easily attached to the plate, and the working efficiency of the assembly can be improved. Claim 5
According to the invention, since the metal plate is heat-bonded to the middle plate, the metal plate can be easily attached to the middle plate.

According to the sixth aspect of the present invention, since a part of the metal plate is folded back to the rear side of the middle plate, there is an effect that the metal plate can be easily attached to the middle plate. In the invention according to claim 7, since the rib which contacts the side surface of the plate frame is provided on the inner side surface of the middle plate, it is possible to prevent rattling in the direction along the construction surface of the middle plate with respect to the plate frame. There is an effect that can be.

According to the invention of claim 8, since the abutting portion for abutting on the side surface of the plate frame is provided on the side wall of the middle plate over substantially the entire circumference, the abutting portion extends along the construction surface of the middle plate with respect to the plate frame. There is an effect that rattling in the direction can be prevented. According to a ninth aspect of the present invention, the rib or the abutting portion is provided on at least a part of the peripheral edge of the plate frame so as to abut from the front side. There is an effect that rattling can be prevented.

According to a tenth aspect of the present invention, an insertion hole through which a box screw for attaching to an embedding box embedded in the embedding hole is provided in the plate frame, and the projecting portion is formed in the insertion hole. Since it is provided in a portion other than the periphery, even if the plate frame is deformed by tightening the box screw, the overhanging portion can be mounted with good appearance without interfering with the middle plate.

According to the eleventh aspect of the present invention, since the tapered surface for guiding the middle plate in the mounting direction is formed at the peripheral edge of the plate frame, the tapered surface is used to cover the middle plate from the front side of the plate frame. There is an effect that the middle plate can be easily attached by being guided. According to the twelfth aspect of the present invention, since the tapered surface for guiding the mounting direction to the plate frame is formed at the peripheral portion of the middle plate, the middle plate is formed by the tapered surface when the middle plate is covered from the front side of the plate frame. There is an effect that can be easily attached by being guided.

According to a thirteenth aspect of the present invention, a locking projection is provided on the rear side of the middle plate, and a locking hole for locking the locking projection is provided on a front surface of the plate frame. Is provided with a notch for inserting the jig for removing the middle plate, so that the jig is inserted into the notch and the middle plate is lifted using the principle of leverage, so that the locking projection and the locking hole There is an effect that the middle plate can be easily removed from the plate frame by releasing the lock.

According to a fourteenth aspect of the present invention, a release portion for releasing the jig for removing the middle plate is provided in the plate frame at a position corresponding to the notch, so that the jig inserted into the notch is released. The middle plate can be inserted as far as it escapes, and it is easy to apply force when removing the middle plate. In the invention of claim 15, the rib that does not protrude from the notch of the middle plate extends from the rear end of the relief portion, so that the jig inserted into the notch contacts the rib, When the plate is removed from the plate frame, the construction surface can be prevented from being damaged by the jig.

According to a sixteenth aspect of the present invention, the movable beam portion is provided on both ends of the movable beam portion with one side frame piece of the plate frame so as to flexibly connect the movable beam portion. The movable beam portion is opened when a strong pressing force is applied from the front side to the back side to the wiring device attached to the plate frame because both ends of the slit formed between the slits are bent toward the connecting portion. As a result, the locking claw of the wiring device does not come off from the locking groove of the movable beam portion, and it is possible to prevent the wiring device from falling off the plate frame.

According to the seventeenth aspect of the present invention, since the locking grooves are provided at equal pitches in the fixed beam portion and the movable beam portion, the degree of freedom of the mounting position of the wiring device with respect to the plate frame can be increased. There is. The invention of claim 18 is
When exposing a functional surface from the opening of the plate frame and locking and fixing the wiring device to the fixed beam portion and the movable beam portion, the partition rib for partitioning a mounting position of the wiring device with respect to the opening to a predetermined position is provided. Since it is provided on the fixed beam portion and the movable beam portion, there is an effect that it is possible to prevent the wiring device from being erroneously attached to the plate frame.

According to a nineteenth aspect of the present invention, the projecting ridge that fits into the slit formed between the movable beam portion and the side frame piece is projected from the rear side of the middle plate, so that it can be moved by the projecting ridge. Even when a large impact or the like is applied to the wiring device because the movement of the beam portion is restricted, the locking between the locking claw of the wiring device and the locking groove of the movable beam portion is not easily released. According to a twentieth aspect of the present invention, when the wiring tool is attached to the plate frame by locking a locking claw in the locking groove of the fixed beam part and the movable beam part, the wiring tool is applied to at least a part of the side surface of the wiring tool. Since the plate frame is provided with means for contacting and suppressing rattling of the wiring device, the rattling of the wiring device attached to the plate frame can be suppressed, and unnecessary force is applied to the wiring device. Even in such a case, there is an effect that occurrence of troubles such as breakage of the locking claw can be prevented.

According to a twenty-first aspect of the present invention, the peripheral portion of the locking hole of the plate frame is formed at least to be thin.
Even if the plate frame is slightly deformed due to the tightening of box screws, etc., the peripheral portion of the locking hole is formed to be thin, so the deformation of the locking hole is not easily affected, and the middle plate looks like the plate frame. There is an effect that it can be attached well.

According to a twenty-second aspect of the present invention, there is provided an instrument removing hole penetrating from the front surface of the side frame piece of the plate frame to the surface of the fixing beam portion facing the wiring instrument, between the locking grooves.
By pushing the wiring device toward the movable beam with the tip of the jig inserted into the device removal hole, the movable beam can be bent with a slight force by the principle of leverage, and the locking groove on the fixed beam side There is an effect that the wiring device can be easily detached from the plate frame by releasing the locking with the locking claw of the wiring device.

According to a twenty-third aspect of the present invention, the pair of openings has a pair of openings for exposing the functional surface of the embedded wiring device and a locking groove for locking a locking claw provided in the wiring device. A fixed beam portion provided between them, a movable groove portion having a locking groove for locking the locking claw and being provided on the periphery of each of the openings so as to be flexibly provided; A plate frame that covers the opening surface side, a main part that has a pair of opening windows that expose the functional surface of the wiring device and that covers the front surface of the plate frame, and has a side wall protruding from substantially the entire peripheral edge of the main part. A middle plate attached to the front surface of the plate frame, and a metal plate having a pair of exposed windows for exposing a functional surface of the wiring device and covering a front surface of the middle plate, between the opposed side walls of the middle plate. The width dimension is made larger than each width dimension of the plate frame. When the middle plate is attached to the front side of the plate frame, the plate frame fits inside the middle plate, and the leading edge of the side wall of the middle plate almost comes into contact with the construction surface. The butting surface between the inner plate and the middle plate does not protrude forward than the construction surface, so that the line of the butting can hardly be seen from the side, and the appearance can be improved,
In a case where wiring equipment is arranged using two sets of a plate frame, a middle plate, and a metal plate, only one set of the plate frame, the middle plate, and the metal plate is required, so that the number of parts can be reduced, and one place is provided. Since the number of possible wiring devices and the patterns of combinations are increased, there is an effect that usability is improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment viewed from a front side.

FIG. 2 is a perspective view of the same as seen from the rear side.

FIG. 3 is a partially omitted perspective view showing a main part of the plate frame according to the first embodiment;

FIG. 4 shows the same middle plate, wherein (a) is a front view,
(B) is a side sectional view, and (c) is another side sectional view.

FIG. 5 is a rear view of the middle plate according to the first embodiment;

FIG. 6 is a side sectional view of a main part of the middle plate according to the third embodiment;

FIG. 7 shows a metal plate of the above, (a) is a front view,
(B) is a partially cutaway side view, and (c) is another side sectional view.

FIG. 8 is a side sectional view of a main part of the metal plate according to the third embodiment.

9A and 9B show a state in which a metal plate is attached to the middle plate of the above, wherein FIG. 9A is a front view, FIG.
(C) is another side sectional view.

FIG. 10 is a rear view showing a state where a metal plate is attached to the middle plate of the above.

FIG. 11 is a side sectional view of a main part in a state where a metal plate is attached to the middle plate of the above.

FIG. 12 is a side cross-sectional view of a main part in a state where a metal plate is attached to the middle plate of the above.

FIG. 13 shows a state in which the middle plate with the metal plate attached thereto is attached to a plate frame, (a) is a front view,
(B) is a partially cutaway side view, and (c) is a side sectional view.

FIG. 14 is a perspective view showing an example of the wiring device of the above.

FIGS. 15 (a) and (b) are explanatory views for explaining how to attach a wiring device to the plate frame of the above.

FIG. 16 is a front view showing another example of the middle plate and the metal plate in the above.

FIG. 17 is a front view showing still another example of the middle plate and the metal plate in the above.

FIG. 18 is a front view showing still another example of the middle plate and the metal plate in the above.

19A and 19B show a plate frame of the second embodiment, wherein FIG. 19A is a front view, FIG. 19B is a side sectional view seen from the left side, FIG. 19C is a side sectional view seen from the right side, and FIG. (E) is a side cross-sectional view as viewed from below, and (f) is a rear view.

FIG. 20 is a side sectional view of a main part of the plate frame of the above.

FIG. 21 is a side sectional view of a main part of the plate frame of the above.

22 (a) is a front view, FIG. 22 (b) is a side sectional view as viewed from the left side, FIG. 22 (c) is a side sectional view as viewed from the right side, and FIG. 22 (d) is a rear view. (E) is a side sectional view seen from below.

FIG. 23 is a side sectional view of a main part of the plate frame according to the third embodiment;

FIG. 24 is a side sectional view of a main part of the plate frame according to the third embodiment;

FIG. 25 shows the same middle plate, (a) is a front view,
(B) is a side sectional view, and (c) is another side sectional view.

FIG. 26 is a rear view of the above middle plate.

FIG. 27 is a side sectional view of a main part of the middle plate of the above.

28 (a) is a front view, FIG. 28 (b) is a partially cutaway side view, and FIG. 28 (c) is another side sectional view.

FIG. 29 shows a state in which a metal plate is attached to the middle plate of the above, (a) is a front view, (b) is a side sectional view,
(C) is another side sectional view.

FIG. 30 is a rear view showing a state where a metal plate is attached to the middle plate of the above.

FIG. 31 is a side cross-sectional view of a main part in a state where a metal plate is attached to the middle plate of the above.

FIG. 32 is a side cross-sectional view of essential parts in a state where a metal plate is attached to the middle plate of the above.

[Explanation of symbols]

 Reference Signs List A plate frame B middle plate C metal plate 1 plate frame main body 2 opening 3 side frame piece 4 fixed beam 4a locking groove 5 movable beam 5a locking groove 6 connecting portion 30 metal plate main body 31 exposure window 40 plate main body 41a Opening window 42 Side wall 43 Locking projection

Claims (23)

[Claims] An opening for exposing a functional surface of an embedded wiring device; a fixing beam portion having a locking groove for locking a locking claw provided in the wiring device and provided on a peripheral edge of the opening; A plate frame that has a locking groove for locking the locking claw, includes a movable beam portion that is flexibly provided on a peripheral edge of the opening, and covers an opening surface side of an embedding hole provided on a construction surface, A main portion having an opening window for exposing a functional surface of the wiring device and covering a front surface of the plate frame, a middle plate having a side wall protruding from substantially the entire peripheral edge of the main portion and being attached to the front surface of the plate frame; A metal plate having an exposure window for exposing a functional surface of the wiring device and covering a front surface of the middle plate, wherein a width between opposed side walls of the middle plate is larger than each width of the plate frame. A plate for wiring equipment characterized by comprising: 2. The wiring device plate according to claim 1, wherein at least a part of the metal plate is press-fitted into the middle plate and the metal plate is attached to the middle plate. 3. The apparatus according to claim 1, wherein said metal plate is attached to said middle plate with a double-sided tape.
The wiring device plate as described. 4. The metal plate according to claim 1, wherein one or a plurality of locking portions are provided on the metal plate, and one or a plurality of locked portions are provided on the middle plate to engage with the locking portions. Item 2. The wiring device plate according to Item 1. 5. The wiring device plate according to claim 1, wherein the metal plate is heat-bonded to the middle plate. 6. The metal plate according to claim 1, wherein a part of said metal plate is folded back to a rear side of said middle plate.
The wiring device plate as described. 7. The wiring device plate according to claim 1, wherein a rib that contacts a side surface of the plate frame is provided on an inner surface of the middle plate. 8. The wiring device plate according to claim 1, wherein an abutting portion that abuts on a side surface of the plate frame is provided on substantially the entire circumference of a side wall of the middle plate. 9. The wiring device plate according to claim 7, wherein a projecting portion is provided on at least a part of a peripheral edge of the plate frame so that the rib or the contact portion abuts from the front side. 10. A plate hole for inserting a box screw for attaching to an embedding box embedded in the embedding hole is provided in the plate frame, and the overhang is provided in a portion other than the periphery of the insertion hole. The wiring device plate according to claim 9, wherein the plate is provided. 11. The wiring device plate according to claim 1, wherein a tapered surface that guides in a direction in which the middle plate is mounted is formed at a peripheral portion of the plate frame. 12. The wiring device plate according to claim 1, wherein a tapered surface that guides in a mounting direction to the plate frame is formed in a peripheral portion of the middle plate. 13. A locking projection protruding from a rear side of the middle plate and a locking hole for locking the locking projection is provided on a front surface of the plate frame, and a side wall of the middle plate for removing the middle plate. 2. The wiring device plate according to claim 1, further comprising a notch for inserting said jig. 14. The wiring device plate according to claim 13, wherein a relief portion for releasing a jig for removing the middle plate is provided in the plate frame at a position corresponding to the notch portion. 15. The wiring device plate according to claim 14, wherein a rib that does not protrude from a cutout portion of the middle plate extends from a rear end portion of the relief portion. 16. A slit formed between both ends of the movable beam portion and the side frame portion, wherein connecting portions for flexibly connecting the movable beam portion to one side frame piece of the plate frame are provided at both ends of the movable beam portion. 2. The wiring device plate according to claim 1, wherein both ends of the wiring device are bent toward the connecting portion. 17. The device according to claim 1, wherein the locking grooves are provided at equal pitches in the fixed beam portion and the movable beam portion.
The wiring device plate as described. 18. A wiring device to be fixed to the opening when a function surface is exposed from an opening of the plate frame and the wiring device is locked and fixed to the fixed beam portion and the movable beam portion. The wiring device plate according to claim 1, wherein partition ribs for partitioning are provided on the fixed beam portion and the movable beam portion. 19. The wiring device according to claim 16, wherein a ridge that fits into the slit formed between the movable beam portion and the side frame protrudes from the rear side of the middle plate. Plate. 20. When a wiring tool is attached to the plate frame by locking a locking claw in a locking groove of the fixed beam portion and the movable beam portion, the wiring tool contacts at least a part of a side surface of the wiring device. 2. The wiring device plate according to claim 1, wherein said plate frame is provided with means for suppressing rattling of the wiring device. 21. The wiring device plate according to claim 13, wherein a peripheral portion of the locking hole of the plate frame is formed to be at least thin. 22. The apparatus according to claim 1, wherein an instrument removal hole is provided between the locking grooves so as to penetrate from a front surface of a side frame piece of the plate frame to a surface of the fixed beam portion facing the wiring instrument. Plate for wiring equipment. 23. A fixing device having a pair of openings for exposing a functional surface of an embedded wiring device and a locking groove for locking a locking claw provided in the wiring device, the fixing groove being provided between the pair of openings. A beam portion having a locking groove for locking the locking claw, a movable beam portion provided on the periphery of each of the openings so as to be flexibly provided, and covering an opening surface side of an embedding hole provided on the construction surface; A plate frame, a main part having a pair of opening windows for exposing a functional surface of the wiring device and covering a front surface of the plate frame, and a side wall protruding from substantially the entire peripheral edge of the main part. A middle plate attached to the front surface, and a metal plate having a pair of exposed windows for exposing a functional surface of the wiring device and covering a front surface of the middle plate, wherein a width dimension between opposed side walls of the middle plate is set to the plate. Wiring characterized by being larger than each width dimension of the frame Instrument plate.