JP2001069635A - Plate for wiring accessory - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate attaching/detaching of wiring accessories to/from a plate frame. SOLUTION: A plate frame body 1 involves a pair of side pieces 10, 10 facing each other in the longitudinal direction across an opening 2, a pair of side frame pieces 3a, 3b facing each other in a direction roughly orthogonal to the longitudinal direction across the opening 2, a strip-shaped stationary beam 4 formed on the back face side of one side frame piece 3a, and a movable beam 5 at a distance from the other side frame piece 3b and integrally connected thereto with connecting parts 6, 6 on both ends thereof. Notches 18, 18 communicating with the opening 2 are provided on both sides 10, 10 of the periphery of the opening 2 adjacent to the movable beam 5. The notches 18, 18 extend the distance between a fulcrum formed, when the movable beam 5 of the plate frame A is bent and latching grooves on both sides thereof. When the latching pawl of a wiring accessory C1 is latched into both ends of the latching grooves, the movable beam 5 is bent easily, and it thus facilitates the attachment/detachment of the wiring accessory C1 to/from the plate frame A.

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, as shown in FIG. 15, a not-shown embedding box (switch box) is embedded in an embedding hole H provided in a construction surface W such as a wall surface, and a wiring device C1 such as an outlet is provided.
The plate frame A "which can be detachably mounted is
Is mounted on the embedding box with the box screw 21 from the front side, and a decorative plate B is mounted on the front surface of the plate frame A ", so that the wiring device C1 is embedded and arranged with good appearance on a wall or the like. Plates are provided.

As shown in FIG. 16, each member of a rectangular frame-shaped plate frame 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). 17 in the center.
A rectangular opening for exposing a functional surface (a surface provided with a switch operating body or a surface provided with an outlet of an outlet) of a body 60 of a wiring device C3 such as a switch as shown in FIG. 2 are 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 side frame piece 3b of the pair of side frame pieces 3a, 3b along the longitudinal direction of the plate frame main body 1, and is integrally connected to the side frame piece 3b at both ends by a connecting part 6. I have. 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 tool C3 are locked. Stop groove 4a,
5a are provided in three pairs each. Therefore, the wiring device C3
The above-described functional surface of the body 60 is opened by locking the locking claws 61 provided on the body 60 with the locking grooves 4a and 5a.
In the state where it is exposed from the
Can be attached. That is, FIG.
As shown in (a), the locking claw 61 on one side of the wiring device C3 is locked in the locking groove 4a of the fixed beam portion 4 from the back side of the plate frame A ″, and the locking claw 61 on the opposite side is movable. When the body 60 of the wiring device C3 is pushed toward the plate frame main body 1 in a state in which the body 60 is brought into contact with the tapered surface of the guide portion 5b formed at the tip portion of the portion 5, the movable beam is pushed by the locking claw 61. The portion 5 bends outward, and the locking claw 61 is finally locked in the locking groove 5a of the movable beam portion 5 as shown in FIG. 18B, and the wiring device C3 is attached to the plate frame A ″.

Further, a recess 11 is formed in each of both side pieces 10 facing the longitudinal direction of the plate frame main body 1. Each of the recesses 11 has an elongated insertion hole 1 through which a box screw 21 for attaching the plate frame A ″ to the embedding box is inserted.
2, a screw insertion hole 13 through which a screw for directly attaching the plate frame A ″ to a construction surface such as a wall surface is inserted, and a scissor fitting (not shown) used when attaching the plate frame A ″ to a wall panel or the like forming the construction surface. ) Is provided with a scissor metal fitting hole 14.

[0007]

However, in the above conventional example, as shown in FIG. 16, the fulcrum (the base of the connecting portion 6) G2 and the locking of both ends when the movable beam portion 5 of the plate frame A "bends. Since the distance L2 between the wiring device C1 and the groove 5a is short,
When the locking claws 61 of C3 are locked in the locking grooves 5a at both ends, there is a problem that the movable beam portion 5 is hardly bent, and it is difficult to attach and detach the wiring devices C1, 3 to and from the plate frame A ″.

Further, since slits 8a to 8c and grooves 9 are formed in the side frame piece 3b on the side where the movable beam portion 5 is provided, an insertion hole for attaching the plate frame A "to the embedding box is provided. When the box screw 21 inserted into the wiring 12 is tightened, the sinking of the wiring device C due to the deformation of the movable beam 5 and the side frame piece 3b becomes larger than that of the fixed beam 4 as shown in FIG. There is also a problem that is not good.

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 in which a wiring device can be easily attached to and detached from a plate frame. is there. Further, the object of the invention of claim 2 is, in addition to the object of the invention of claim 1,
An object of the present invention is to provide a wiring device plate that can reduce sinking of a wiring device when a box screw is tightened and improve appearance.

[0010]

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 an opening surface side of the embedding hole provided on the construction surface, and a decorative plate having an opening window for exposing a functional surface of the wiring device and attached to a front surface of the plate frame, wherein the movable beam portion is provided. And a notch that communicates with the opening at the periphery of the opening adjacent to the opening, the fulcrum when the movable beam portion of the plate frame bends by providing the notch and the locking groove at both ends. The distance between them becomes longer, and the movable beam becomes easier to bend. As a result, compared to the conventional example Detachable wiring accessories relative to the plate frame Te is facilitated, it is possible to remove by hand without tools when removing the wiring device from the plate frame.

According to a second aspect of the present invention, in the first aspect of the present invention, an insertion hole through which a box screw to be attached to an embedding box embedded in the embedding hole is provided in a peripheral edge of the opening of the plate frame. In addition, the notch is provided between the insertion hole and the movable beam, and in addition to the operation of the invention of claim 1, when the box screw inserted into the insertion hole is tightened, the vicinity of the insertion hole is provided. The influence of the deformation on the movable beam portion can be reduced, and as a result, the sinking of the wiring device when the box screw is tightened can be reduced and the appearance can be improved as compared with the conventional example.

According to a third aspect of the present invention, in the first aspect of the present invention, a locking projection is provided on a rear side of the decorative 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 decorative plate is provided on a side wall of the decorative plate. In addition to the function of the invention of claim 1, a locking projection is provided in a locking hole of the plate frame. The decorative plate can be easily attached to the front of the plate frame by inserting and locking, and if the jig is inserted into the notch and the decorative plate is lifted, the locking between the locking protrusion and the locking hole is locked. The decorative plate can be easily removed from the plate frame by unraveling.

According to a fourth aspect of the present invention, in the first aspect of the present invention, a tapered surface is formed at a peripheral portion of the plate frame to guide the decorative plate in a mounting direction. In addition, when the decorative plate is covered from the front side of the plate frame, the decorative plate is guided by the tapered surface and can be easily attached.

According to a fifth aspect of the present invention, in the first aspect of the present invention, the decorative plate has an opening window for exposing a functional surface of the wiring device, and covers a front surface of the plate frame; And a side wall protruding from substantially the entire periphery of
The width dimension between the opposing side walls is made larger than each width dimension of the plate frame, and in addition to the operation of the invention of claim 1, when the decorative plate is attached to the front side of the plate frame, The frame fits inside the decorative plate, and the edge of the side wall of the decorative plate almost comes into contact with the construction surface, so that the mating surface between the plate frame and the decorative plate does not protrude forward from the construction surface. It is possible to improve the appearance by making the butt line almost invisible from the side.

According to a sixth 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 an opening surface side of the embedding hole provided on the surface, a decorative plate having a pair of opening windows for exposing a functional surface of the wiring device and attached to a front surface of the plate frame; And a notch that communicates with the opening at the periphery of the opening adjacent to the opening, the fulcrum when the movable beam portion of the plate frame bends by providing the notch and the locking groove at both ends. The distance between them becomes longer, and the movable beam becomes easier to bend. As a result, compared to the conventional example Detachable wiring accessories relative to the plate frame is facilitated, it is possible to remove by hand without tools when removing the wiring device from the plate frame with Te,
In the case where wiring equipment is provided by using two sets of plate frames and decorative plates, only one set of plate frames and decorative plates is required, the number of parts can be reduced, and the number of wiring equipment that can be provided in one place And the number of combinations of patterns increases, and the usability is improved.

[0016]

(Embodiment 1) Embodiment 1 of the present invention will be described with reference to FIGS. However, the same components as those of the conventional example are denoted by the same reference numerals, and detailed description is omitted.

The plate frame body 1 of the plate frame A according to the present embodiment is formed in a rectangular frame shape from a synthetic resin having an insulating property as in the conventional example, and a pair of sides opposed to each other in the longitudinal direction with the opening 2 interposed therebetween. Pieces 10, 10 and a pair of side frame pieces 3 opposed to each other in a direction substantially orthogonal to the longitudinal direction across the opening 2.
a, 3b, a band-shaped fixed beam portion 4 formed on the back side of one side frame piece 3a, and a side frame piece 3b separated from the other side frame piece 3b at both ends by connecting portions 6,6. And a movable beam unit 5 integrally connected thereto.

The movable beam portion 5 is supported by a pair of narrow ribs 7 extending integrally from the side frame piece 3b, and a gap formed between the movable beam portion 5 and the side frame piece 3b is formed. The rib 7 is divided into three slits 8a to 8c. Outer ends of the slits 8a and 8c on both sides are bent in a substantially L-shape 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.

Here, the dimensions of the opening 2 are based on the dimension of the wiring device (switch) C3 exemplified in the conventional example as a reference dimension (hereinafter, this dimension is referred to as "one module dimension"). A dimension in which three wiring instruments C3 each having a module size can be mounted side by side in a direction perpendicular to the longitudinal direction with the longitudinal direction of the wiring instrument C3 being substantially perpendicular to the longitudinal direction of the opening 2 (hereinafter, this dimension is referred to as It is called "dimensions corresponding to three modules." The wiring device C1 exemplified in the present embodiment is an outlet (so-called double outlet with a grounding electrode) to which two plugs with a grounding electrode can be connected. (Hereinafter referred to as “three module dimensions”). Further, 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 C3 having one module size. It is equal to the pitch of the pawl 61. Note that the size of the single module may be set to an appropriate value, and if the wiring device is adapted to such a module size, the plate frame A is commonly used.
It can be attached to

As shown in FIG. 2, each of the recesses 11 formed on the front side of the both side pieces 10, 10 has a slot-like insertion hole 12 through which a box screw 21 is inserted, and a plate frame A formed with a wall surface or the like. And a pair of screw insertion holes 13, 13 into which screws for directly attaching to the construction surface are inserted, and scissors for locking scissor fittings (not shown) used when attaching to a wall panel or the like forming the construction surface. A metal fitting hole 14 and a projection 19 having a screw hole 19a are provided. Further, at the four corners of the plate frame main body 1, there are provided decorative plate locking holes 15 for locking the locking projections 53 projecting from the back of the plate body 50 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 53. By screwing a mounting screw into the screw hole 19a of the projection 19, a decorative plate (not shown) having no locking projection can be mounted on the front surface of the plate frame A.

As shown in FIG. 2, a locking claw (not shown) of the wiring device C1 is provided at a distal end portion of the fixed beam portion 4 and the movable beam portion 5 from the rear side of the plate frame body 1 with a locking groove 4a. , 5a
In order to guide the respective locking claws into the locking grooves 4a and 5a when locking the locking members, guide portions 4b and 5b each having a tapered surface inclined outward are provided. That is, as described in the conventional example, when attaching the wiring devices C1 and C3 to the plate frame A, the body 60 of the wiring devices C1 and C3 is held in a state in which the locking claws are in contact with the tapered surfaces of the guide portions 4b and 5b. Is pushed in from the back side to the front side of the plate frame main body 1, the locking claws move along the tapered surfaces of the guide portions 4b and 5b, and are guided by the guide portions 4b and 5b to smoothly engage with 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. In this state, contact portions 4d and 5d are provided to contact a part of the front side of the body 60 of the wiring devices C1 and C3 in the folded state. Therefore, when a force is applied to the body 60 of the wiring devices C1 and C3 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 portion 4d. , 5d. Similarly, the body 6 of the wiring devices C1 and C3
When a force is applied to the back of the plate frame A at 0,
Since the locking claws and the locking grooves 4a, 5a are in contact, the movement of the body 60 can be restricted. Moreover, the connecting portion 6 connecting the movable beam portion 5 of the plate frame main body 1 and the side frame piece 3b is thin because the outer ends of the slits 8a and 8c are bent. As a result, the wiring devices C1, C3
When a strong pressing force from the front side to the back side is applied to the body 60, the movable beam 5 bends so as to fall down to the opening 2 side. C1, C
The locking claws provided on the third body 60 do not come off, so that the wiring devices C1 and C3 can be prevented from falling off from the plate frame A.

Further, the fixing beam portion 4 has an instrument removing hole 4c penetrating from the front side of the plate frame main body 1 between the locking grooves 4a.
Is inserted, and the tip of a screwdriver or a jig dedicated to removal is inserted into the tool removing hole 4c, and the tool body 60 is pushed toward the movable beam portion 5 by the tip of the jig. The movable beam portion 5 can be bent with a small force by the principle of the above, and the locking groove 4a on the fixed beam portion 4 side and the locking claw of the body 60 are released to release the wiring device from the plate frame main body 1. The body 60 of C1 and C3 can be removed.

Here, as shown in FIG. 2, partition ribs 20 are provided near the locking grooves 4a, 5a of the fixed beam portion 4 and the movable beam portion 5.
Is protruding. These partition ribs 20 are fixed to the fixed beam portion 4.
A pair of locking grooves 4a and 5a are provided on the inner surface of the movable beam portion 5, and a pair of locking grooves 4a and 5a are provided integrally with the plate frame body 1 at positions outside the respective pairs. That is, since the partition ribs 20 protruding between the sets of the locking grooves 4a and 5a interfere with the body 60, the wiring of one module size is provided for the opening 2 of the plate frame A having the size corresponding to three modules. The wiring device C3 cannot be mounted at any position other than the mounting position where three devices C3 can be mounted side by side in the short width direction. 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 C3 is mounted at the mounting position. In other words, the ratchet of the body 60 of the wiring device C3 attached to the plate frame A can be suppressed by the partition rib 20, and the locking claw is broken even when unnecessary force is applied to the body 60. It is possible to prevent the occurrence of a trouble such as the occurrence of a problem.

In this embodiment, as shown in FIG. 1 and FIG. 2, the notches 18, 18 communicating with the opening 2 are formed on both sides 10, 10 of the periphery of the opening 2 adjacent to the movable beam 5. Is provided. The notches 18, 18
Extends toward the side pieces 10, 10 in parallel with the substantially L-shaped outer ends of the slits 8a, 8c, to a position substantially aligned with the tips of the slits 8a, 8c, and the outer ends of the slits 8a, 8c. Connecting portion 6, which is sandwiched between the
6 is narrower than the conventional example.

By providing the cuts 18, 18, the fulcrum (the base of the connecting portion 6) G 1 when the movable beam 5 of the plate frame A bends as shown in FIG. The distance L1 between the locking groove 5a at both ends is longer than the distance L2 between the fulcrum G2 and the locking groove 5a in the conventional example.
Therefore, the locking claws 61 of the wiring device C are connected to the locking grooves 5a at both ends.
The movable beam portion 5 is more easily bent than the conventional example, and the attachment and detachment of the wiring device C to and from the plate frame A can be facilitated. Further, since the movable beam 5 is easily bent, the movable body 5 can be bent by pushing the body 60 of the wiring devices C1 and C3 toward the movable beam 5 by hand, and the locking groove 4a of the fixed beam 4 can be bent. Then, the locking claws 61 can be removed from the wiring frame, and the wiring devices C1 and C3 can be manually removed from the plate frame A.

As described in the conventional example, the insertion hole 12
When the box screw 21 inserted through the
Although the periphery of the zero insertion hole 12 is deformed, the effect of the deformation on the movable beam 5 can be reduced by the cutout 18 existing between the side part 10 and the movable beam 5. As a result, as shown in FIG. 3, the sinking of the movable beam portion 5 when the box screw 21 is tightened and the sinking of the wiring devices C1 and C3 when the box screw 21 is tightened are reduced as compared with the conventional example to improve the appearance. Can be.

On the other hand, the plate body 50 of the decorative plate B
Is a synthetic resin (ABS) having insulating properties as shown in FIG.
A rectangular main portion 51 covering the front surface of the plate frame A with a thermoplastic resin such as a resin or a thermosetting resin having elasticity).
And a side wall 52 protruding rearward from the entire peripheral edge of the main portion 51 to form a substantially box shape. The locking projection 53
Are provided at four corners on the rear side of the main part 51. Main part 5
1, wiring equipment C attached to the plate frame A
An opening window 51a that exposes one functional surface is provided. Here, the width between the opposed side walls 52 of the plate main body 50 is larger than each width of the plate frame main body 1. That is, when the decorative 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 50 of the decorative plate B, and the leading edge of the side wall 52 of the plate main body 50. Will almost touch the construction surface. As a result, the butted surface between the plate frame A and the decorative plate B does not protrude forward from the construction surface,
The appearance can be improved by making the line of the two butts almost invisible from the side.

Each of the side walls 52 of the plate body 50 is provided with an inclined surface 52a inclined from the edge contacting the construction surface toward the main portion 51, and is provided on the side surface of the plate frame body 1 along the construction surface. A plurality of regulating ribs 54 are provided to abut from different directions to regulate the movement of the decorative plate B. That is, the decorative plate B is provided on the front side of the plate frame A.
Is attached, the restricting rib 54 comes into contact with the side surface of the plate frame main body 1, and it is possible to prevent the decorative plate B from rattling with the plate frame main body 1.

On the other hand, as shown in FIG. 2 (e), the tapered surface 3c and the tapered surface 3 which incline outward from the side surfaces of the side frame pieces 3a, 3b of the plate frame body 1 toward the back side.
The main body 51 of the plate body 50 is provided with an overhang portion 3d that protrudes outward continuously from the main body 51 of the plate body 50, which is mounted on the front surface of the overhang portion 3d and prevents rattling of the decorative plate B. It protrudes along the inner surface of the side wall 52 in a direction more perpendicular to the longitudinal direction. Here, when attaching the decorative plate B to the plate frame A, the regulating rib 5 of the decorative plate B is used.
4 is guided by the tapered surface 3c formed on the side frame pieces 3a and 3b of the plate frame main body 1, so that there is an advantage that the mounting becomes easy.

A pair of notches 56 are provided on one side wall 52 along the longitudinal direction of the plate body 50. A jig (tip of a driver or the like) is inserted into the notch 56 so that By applying a force to the decorative plate B, the locking between the locking projection 53 of the plate body 50 and the decorative plate locking hole 15 of the plate frame body 1 is released.
Can be removed from the plate frame A. Here, the notch 5 of the side frame piece 3b of the plate frame body 1
6 is provided with a relief portion 16 depressed inward from the tapered surface 3c. The jig inserted into the cutout portion 56 can be inserted to the back by releasing the jig. Is easy to add. Further, the rib 1 which is thinner than the overhang 3d is formed from the rear end of the relief 16
7 extend so as not to protrude from the cutout 56 of the decorative 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 56 with the portion contacting the construction surface as a fulcrum, but the jig inserted into the notch portion 56 by providing the rib 17. Comes into contact with the ribs 17, and when the decorative plate B is removed from the plate frame A, the construction surface can be prevented from being damaged by the jig.

On the back side of the plate body 50, FIG.
As shown in FIG. 3, there are arranged ridges 58a to 58c which are fitted into three slits 8a to 8c provided in the plate frame main body 1 when attached to the plate frame A, respectively. Here, the dimension of each of the protruding strips 58a to 58c is set between the inner peripheral surface of each of the slits 8a to 8c and each of the protruding strips 58a to 58c in a state of being fitted into each of the slits 8a to 8c of the plate frame main body 1. The dimensions are set so that only a small gap is produced.
That is, in a state where the decorative plate B is attached to the plate frame A, as shown in FIG.
Are fitted into the slits 8a to 8c of the plate frame main body 1, and the inner peripheral surfaces of the slits 8a to 8c and the ridges 58a to 5c
Since only a small gap is formed between the movable beam 8c and the movable beam 8c, the movement (bending) of the movable beam 5 of the plate frame main body 1 is restricted. As a result, as in the present embodiment, the wiring device C
When an outlet is used as 1 and the movement of the movable beam portion 5 is regulated as described above even when an impact such as pulling out a plug inserted into the outlet with an abnormally large force is applied. The locking claw of the wiring device C1 and the locking grooves 5a, 4a of the movable beam portion 5 and the fixed beam portion 4 are hardly disengaged from each other.

In this embodiment, three wiring devices C1 and C3 each having a module size are attached to the opening 2 of the plate frame A.
An opening window 51a for exposing one functional surface is provided. For example, in a case where two wiring devices C3 each having a module size are attached at a distance from each other, two opening windows 5a as shown in FIG.
A decorative plate B having 1a and 51a may be used.
Alternatively, in the case where only the plate frame A is to be constructed for the time being or wiring equipment is no longer required, the opening 2 of the plate frame A is formed using a decorative plate B having no opening window as shown in FIG. You may make it close, and may prepare in case wiring equipment becomes necessary.

(Embodiment 2) FIG. 8 shows Embodiment 2 of the present invention.
This will be described with reference to FIGS. In the first embodiment, 3
Plate frame A having an opening 2 with dimensions corresponding to individual modules
When two wiring modules of module size are mounted on the same or two wiring tools of one module size are mounted next to each other, it must be mounted on one side with respect to the center of the opening 2. It doesn't look good.

Therefore, in the present embodiment, the wiring device C2 having two module sizes or the wiring device C having one module size is used.
In order to attach the two of the fixed beam portions 3 to the center of the opening 2 without shifting to any side, as shown in FIGS. 8 and 9, two pairs of locking grooves of the fixed beam portion 4 and the movable beam portion 5 are provided. 4 a and 5 a are provided at positions symmetrical in the longitudinal direction with respect to the center X of the opening 2. Note that other configurations are common to the first embodiment, and thus common configurations are denoted by the same reference numerals and description thereof is omitted.

As shown in FIG. 8, the wiring device C2 exemplified in the present embodiment is an outlet having a two-module-sized body and connected to a plug with a grounding electrode, and extends in the short width direction of the body. A pair of locking claws (not shown) are protrudingly provided on both opposing side surfaces. Thus, the locking claws are fixed to the locking grooves 4a, 5a at both ends of the fixed beam portion 4 and the movable beam portion 5 of the plate frame A.
8, the wiring device C2 can be attached to the center of the opening 2 without offsetting to any side as shown in FIG. In addition, two wiring devices of one module size
When the wiring devices are mounted side by side, the locking claws of each wiring device may be locked in the pair of locking grooves 4 a and 5 a of the fixed beam portion 4 and the movable beam portion 5.

On the other hand, the decorative plate B in the present embodiment
In order to expose the functional surface of the wiring device C2 attached to the center of the opening 2 as shown in FIG.
An opening window 51a having a size corresponding to a two-module-sized body is provided substantially at the center of the opening.

As described above, in the present embodiment, two pairs of locking grooves 4a, 4b of the fixed beam portion 4 and the movable beam portion 5 of the plate frame A are provided.
5a is provided at a position symmetrical in the longitudinal direction with respect to the center of the opening 2, so that a wiring module C2 having two module dimensions is provided.
Alternatively, two wiring devices each having a module size can be attached to one side of the center of the opening 2 without any deviation, so that the appearance can be improved.

(Embodiment 3) Embodiment 3 of the present invention is shown in FIG.
This will be described with reference to FIGS. Embodiments 1 and 2 above
In the above, the so-called single type having only one opening 2 having a size corresponding to three modules in the center of the plate frame main body 1 has been exemplified, but in the present embodiment, the opening 2 having a size corresponding to three modules is formed in the longitudinal direction. It is a so-called double type that is arranged in a direction perpendicular to the direction. Since the basic configuration is the same as that of the first embodiment, the same parts are denoted by the same reference numerals and the description is omitted.

As shown in FIG. 12, the plate frame body 1 'of the plate frame A' according to the present embodiment is formed by integrating two plate frame bodies 1 of the first embodiment in the direction orthogonal to the longitudinal direction. It has such a structure. The substantially the center of the plate frame body 1 'is provided with side by side in the direction in which the opening 2 ₁ three modules corresponding dimensions, 2 ₂ are orthogonal to the longitudinal direction, the center frame pieces partitioning both the openings 2 _1, 2 ₂ A fixed beam portion 4 'is provided. A total of three sets of locking grooves 4a are provided, one pair each, on both side surfaces of the fixed beam portion 4 '. Note that a partition rib 20 protrudes outside the set of the locking grooves 4a as in the first embodiment.

Further, both side frame pieces 3a of the plate frame main 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.
Here, the openings 2 _1, 2 ₂ of the peripheral edge of the sides 10 and 10 also adjacent to the movable beam section 5 in the present embodiment, the cut portion 18 in communication with the opening 2 is provided. More each opening 2 _1, 2 ₂ sides side pieces 10, respectively recesses 1
1, a long hole 12, a screw insertion hole 13, and a scissor metal fitting hole 14 are provided, and a decorative plate lock in which a locking projection 53 of a decorative plate B 'is inserted and locked at four corners of the plate frame body 1'. A hole 15 is provided.

On the other hand, the plate body 50 'of the decorative plate B' in the present embodiment has a side wall 52 'over the entire circumference.
And a pair of opening windows 51a 'arranged in a direction perpendicular to the longitudinal direction substantially at the center of the main portion 51' formed with. The size of the opening window 51a 'corresponds to the size of three modules. When the wiring device C having three modules is attached to the plate frame A' as shown in FIG. When three devices C are arranged side by side, the functional surface of each wiring device C can be exposed. Also in the present embodiment, the width between the opposing side walls 52 'of the plate body 50' is made larger than each width of the plate frame body 1 ', so that the decorative plate B is provided on the front side of the plate frame A'. '
When the plate frame body 1 'is attached, the plate body 5
It fits inside 0 ', and as in the first embodiment, it is possible to improve the appearance by making the line of the butting almost invisible from the side surface.

On the back surface of the main part 51 ', a locking projection 53 inserted and locked into the decorative plate locking hole 15 of the plate frame main body 1', and fits into the slits 8a to 8c of the side frame pieces 3a and 3b. The projecting strips 58a to 58c are provided in a protruding manner. Further, on the side wall 52, a regulating rib 54 which abuts against the side surface of the plate frame main body 1 'to prevent the decorative plate B' from rattling with the plate frame main body 1 ', and the front surface of the overhang 3d of the plate frame main body 1'. And a notch 56 into which a jig is inserted when the decorative plate B 'is removed from the plate frame A'.

In the present embodiment, when a wiring device is provided using two sets of the plate frame A and the decorative plate B, only one set of the plate frame A ′ and the decorative plate B ′ is required, and the number of parts is reduced. There is an advantage that reduction can be achieved. 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.

[0045] Incidentally, wiring devices of each opening 2 _1, 2 ₂ to 3 module dimensions in the present embodiment the plate frame A 'C
Decorative plate B 'corresponding to the case where 1, C1 is attached
Window 51 exposing the functional surface of the wiring device C1
a ′, 51a ′ are provided, for example, each of the openings 2 ₁ ,
2 ₂ to one module dimension of the wiring devices C3, respectively 2
In the case of mounting separately, a decorative plate B 'having two openings windows 51a'... As shown in FIG. 14 may be used.

[0046]

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 decorative plate which has an opening window for exposing the functional surface of the wiring device and which is attached to the front surface of the plate frame, and a cut portion communicating with the opening is provided at a periphery of the opening adjacent to the movable beam portion. By providing the notch, the distance between the fulcrum when the movable beam portion of the plate frame bends and the locking groove at both ends becomes longer, and the movable beam portion becomes easier to bend. As a result, compared with the conventional example, As a result, the wiring device can be easily attached to and detached from the plate frame, and when the wiring device is removed from the plate frame, the wiring device can be removed by hand without using a tool.

According to a second aspect of the present invention, there is provided an insertion hole through which a box screw to be attached to an embedding box embedded in the embedding hole is provided in the periphery of the opening of the plate frame, and the insertion hole is movable with the insertion hole. Since the notch is provided between the beam and the beam, the effect of the deformation around the insertion hole on the movable beam when the box screw inserted into the insertion hole is tightened is reduced, in addition to the effect of the invention of claim 1. As a result, as compared with the conventional example, there is an effect that the sinking of the wiring device when the box screw is tightened is reduced and the appearance can be improved.

According to a third aspect of the present invention, a locking projection is provided on the back side of the decorative plate, and a locking hole for locking the locking projection is provided on a front surface of the plate frame. A notch for inserting a jig for removing a decorative plate is provided on the front surface of the plate frame by inserting and locking a locking projection in a locking hole of the plate frame. The decorative plate can be easily attached to the plate, and if the decorative plate is lifted up by inserting a jig into the notch, the lock between the locking projection and the locking hole is released, and the decorative plate can be easily removed from the plate frame. There is an effect that it can be removed.

According to a fourth aspect of the present invention, a tapered surface is formed at a peripheral portion of the plate frame to guide the decorative plate in a direction in which the decorative plate is mounted. There is an effect that the decorative plate can be easily attached by being guided by the tapered surface when the decorative plate is covered from the front side.

According to a fifth aspect of the present invention, the decorative plate comprises:
A main portion having an opening window for exposing the functional surface of the wiring device and covering the front surface of the plate frame, and a side wall protruding from substantially the entire peripheral edge of the main portion, the width dimension between the opposing side walls is provided. Since the width of each of the plate frames is larger than the width of the plate frame, in addition to the effect of the invention of claim 1, when the decorative plate is attached to the front side of the plate frame, the plate frame is fitted inside the decorative plate, Because the tip edge of the side wall almost abuts the construction surface, the mating surface between the plate frame and the decorative plate does not come out more forward than the construction surface as in the conventional case, There is an effect that the appearance can be improved by making it almost invisible.

According to a sixth aspect of the present invention, the pair of openings have 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 covering the opening surface side, and a decorative plate having a pair of opening windows for exposing the functional surface of the wiring device and attached to the front surface of the plate frame, and provided on the periphery of the opening adjacent to the movable beam portion. Since the notch that communicates with the opening is provided, the distance between the fulcrum when the movable beam of the plate frame bends and the locking grooves at both ends becomes longer due to the provision of the notch, and the movable beam becomes It becomes easy to bend, and as a result, attachment and detachment of wiring equipment to the plate frame compared to the conventional example Easier, there is an effect that it is possible to remove by hand without tools when removing the wiring device from the plate frame. In addition, only one set of the plate frame and the decorative plate is required for the case where the wiring device is provided using two sets of the plate frame and the decorative plate, so that the number of parts can be reduced and the wiring device can be provided at one place. This increases the number of combinations and the patterns of combinations, which has the effect of improving usability.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a first embodiment.

2 (a) is a front view, FIG. 2 (b) is a side sectional view seen from the left side, FIG. 2 (c) is a side sectional view seen from the right side, and FIG. Side sectional view,
(E) is a side sectional view seen from below.

FIGS. 3A and 3B show a plate frame in the above, wherein FIG. 3A is a front view partially omitted, and FIG. 3B is a side sectional view showing a state where the plate frame is disposed on a construction surface.

FIGS. 4A and 4B show the decorative plate in the above, wherein FIG. 4A is a front view, FIG. 4B is a side sectional view, FIG. 4C is a rear view, and FIG.

5A and 5B show a state in which a decorative plate is attached to the plate frame of the above, wherein FIG. 5A is a front view, FIG. 5B is a partially cutaway side view, and FIG.

FIG. 6 shows another configuration of the decorative plate of the above,
(A) is a front view, (b) is a side sectional view, (c) is a rear view, and (d) is a side sectional view.

7A and 7B show still another configuration of the decorative plate in the above embodiment, wherein FIG. 7A is a front view, FIG. 7B is a side sectional view, and FIG. 7C is a side sectional view.

FIG. 8 is an exploded perspective view showing the second embodiment.

FIG. 9 is a front view of the plate frame in the above.

FIGS. 10A and 10B show a decorative plate in the above, wherein FIG. 10A is a front view, FIG. 10B is a side sectional view, FIG. 10C is a rear view, and FIG.
Is a side sectional view.

FIG. 11 is an exploded perspective view showing a third embodiment.

FIG. 12 is a front view of the plate frame in the above.

13A and 13B show a decorative plate of the above, wherein FIG. 13A is a front view, FIG. 13B is a side sectional view, FIG. 13C is a rear view, and FIG.
Is a side sectional view.

14A and 14B show still another configuration of the decorative plate in the above embodiment, wherein FIG. 14A is a front view, FIG. 14B is a side sectional view, and FIG.
Is a side sectional view.

FIG. 15 is an exploded perspective view showing a conventional example.

FIG. 16 is a front view of the plate frame in the above.

FIG. 17 is a perspective view showing an example of the wiring device of the above.

FIGS. 18 (a) and (b) are explanatory views for explaining how to attach a wiring device to the plate frame of the above.

19A and 19B show a plate frame of the above, wherein FIG. 19A is a front view partially omitted, and FIG. 19B is a side sectional view showing a state where the plate frame is arranged on a construction surface.

[Explanation of symbols]

 Reference Signs List A plate frame B decorative 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 8a to 8c slit 18 cut portion C1 wiring device

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Shoji Sakabe 1048 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Works Co., Ltd. Terms (reference) 5G357 CA06 CB04 CC01 CD03 CE01 CF05

Claims (6)

[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 decorative plate having an opening window for exposing a functional surface of the wiring device and attached to a front surface of the plate frame; and a notch communicating with the opening at a periphery of the opening adjacent to the movable beam. A wiring device plate characterized by the above-mentioned. 2. An insertion hole through which a box screw to be attached to an embedding box embedded in the embedding hole is provided in a peripheral edge of an opening of the plate frame, and a gap between the insertion hole and the movable beam portion is provided. 2. The wiring device plate according to claim 1, wherein the notch is provided in the plate. 3. A decorative projection is provided on the back side of the decorative plate, and a locking hole for locking the decorative protrusion is provided on a front surface of the plate frame, and a decorative plate for removing the decorative plate is provided on a side wall of the decorative plate. 2. The wiring device plate according to claim 1, further comprising a notch for inserting said jig. 4. The wiring device plate according to claim 1, wherein a tapered surface that guides in a direction in which the decorative plate is mounted is formed on a peripheral portion of the plate frame. 5. The decorative plate includes a main part having an opening window 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 periphery of the main part. 2. The wiring device plate according to claim 1, wherein the width between the opposing side walls is larger than each width of the plate frame. 6. A fixing device provided with 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, and a decorative plate having a pair of opening windows for exposing a functional surface of the wiring device and attached to a front surface of the plate frame, and communicating with an opening at a periphery of an opening adjacent to the movable beam portion. A plate for wiring equipment, wherein a notch is provided.