JP2000023328A - Wiring appliance plate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wiring appliance plate, in which a metal plate can be attached easily to a middle plate and which enables improvement of a work efficiency in a manufacturing process. SOLUTION: Respectively four attachment tabs 32 are made to protrude from the rear sides of both side parts 30a in a short width direction of a metal plate 30 with approximately the same intervals. Protruding retainers 33 are made to protrude from the inner side surfaces of the respective attachment tabs 32. The tip parts of both the side parts 30a of the metal plate 30 are inserted into insertion grooves 28 formed in both the sidewalls 23 of a middle plate 20. If the attachment tabs 32 are pushed into the middle plate 20, retaining tabs 29 on the inner sidewalls 23 of the middle plate 20 are bent due to the pressures of the retainers 33 and the tips of the retaining tabs 29, and finally, the retainers 33 retain each other and the metal plate 30 is mated with a mating recess in the front surface of the middle plate 20, and furthermore are fixed through the retainment of the retainers 33 and retaining tabs 29 (fall-off proof). Thus, the metal plate 30 can be attached easily to the middle plate 20, and working efficiency in a manufacturing process can be improved.

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 buried in an embedding hole provided in a construction surface such as a wall surface, and a mounting portion to which a wiring device such as a switch or an outlet is detachably mounted is integrated or separate. Attach the plate frame provided to the body to the embedding box from the front side of the embedding hole, further attach the middle plate to the front of the plate frame, and attach the decorative metal plate to the front of this middle plate There is provided a wiring device plate in which the wiring device is embedded and arranged with good appearance on a wall or the like.

[0003]

However, in the above-mentioned conventional example, since the double-sided tape is used for attaching the metal plate to the middle plate, there is a problem that the working efficiency in the manufacturing process is poor.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, and to provide a wiring device plate in which a metal plate can be easily attached to a middle plate and work efficiency in a manufacturing process can be improved. Is what you do.

[0005]

According to a first aspect of the present invention, there is provided an embedding apparatus provided with a mounting portion to which a mounting type wiring device is mounted integrally or separately and provided on a construction surface. A plate frame that covers the opening surface side of the insertion hole, a middle plate that has an opening that exposes the functional surface of the wiring device and is attached to the front surface of the plate frame, and an exposed window that exposes the functional surface of the wiring device. A metal plate that covers a front surface of the middle plate, the metal plate is provided with one or more locking portions, and the metal plate is configured to engage with the locking portions in an uneven manner.
A plurality of locked portions provided on the middle plate, wherein the locking portions provided on the metal plate are locked to the locked portions of the middle plate so that the middle plate can be used without using a double-sided tape. , The metal plate can be easily attached, and the work efficiency of attaching the metal plate and the middle plate in the manufacturing process can be improved.

According to a second aspect of the present invention, in order to achieve the above object, a mounting portion to which a mounting type wiring device is mounted is provided integrally or separately, and an opening side of a mounting hole provided on a construction surface. A plate frame that covers the wiring plate, a middle plate having an opening that exposes a functional surface of the wiring device, and a middle plate attached to the front surface of the plate frame, and an exposure window that exposes a functional surface of the wiring device. A metal plate that covers the front surface, wherein the caulking portion that is caulked to the middle plate is provided on the metal plate, and the caulking portion provided on the metal plate is caulked to the middle plate without using a double-sided tape. In addition, the metal plate can be easily attached to the middle plate, and the work efficiency of attaching the metal plate and the middle plate in the manufacturing process can be improved.

According to a third aspect of the present invention, in the first or second 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 in the plate frame. A notch provided on the front surface, into which a removal jig for removing the locking protrusion and the locking hole is inserted, is provided on the middle plate, and a jig is inserted into the notch to leverage the lever. By lifting the middle plate and the metal plate using the principle, the lock between the locking projection and the locking hole can be released, and the middle plate and the metal plate can be easily removed from the plate frame.

According to a fourth aspect of the present invention, in the invention of the third aspect, a claw that does not protrude from the notch is provided in the plate frame at a position corresponding to the notch, and is inserted into the notch. When the jig abuts on the claw portion, it is possible to prevent the jig from damaging the construction surface when removing the middle plate and the metal plate from the plate frame.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects of the present invention, the plate frame is disposed on a construction surface on a mounting piece formed in a bellows shape and supported flexibly on the plate frame. A screw insertion hole for inserting a mounting screw is provided, and a counterpart to which the mounting screw is screwed (for example, a mounting frame to which an installation tool is mounted) has a floating or sinking with respect to the construction surface. Even so, it is possible to prevent a gap between the plate frame and the construction surface from being generated by absorbing displacement due to floating or sinking by bending of the mounting piece.

[0010]

(Embodiment 1) Embodiment 1 of the present invention will be described with reference to FIGS. The wiring device plate of the present invention includes a plate frame 1, a middle plate 20, and a metal plate 30.

The plate frame 1 is made of a synthetic resin having an insulating property (a thermoplastic resin such as an ABS resin or a thermosetting resin having elasticity), a vertical piece 2, a horizontal piece 3 shorter than the vertical piece 2, and a plate frame. The mounting piece 4 formed in a bellows shape having a screw insertion hole 4a through which a mounting screw 80 for mounting the mounting frame 1 to the mounting frame 40 is inserted is integrally formed in a rectangular frame shape, and the central portion thereof is An opening 5 for exposing a functional surface (a surface on which the operation handle 51 is provided) of the switch 50 as a wiring device attached to the attachment frame 40 to the front side.
It has become.

On the other hand, the mounting frame 40 is formed of a metal material in the shape of a rectangular frame having a mounting window 41 at the center, and box screws for mounting to the embedding box are inserted into both side pieces 42 facing in the longitudinal direction. A long hole 43 and a screw insertion hole 4 into which a screw for directly attaching to a construction surface such as a wall surface is inserted.
4, a scissor fitting locking hole 45 for locking a scissor fitting used when attaching to a wall panel or the like forming a construction surface;
A screw hole 46 into which the mounting screw 80 is screwed is provided. On the side frame pieces 47a, 47b facing the longitudinal direction across the mounting window 41, engaging claws 48a, which engage with frame mounting holes 53 provided on both side surfaces of the boss portion 52 of the switch 50,
48b are provided respectively. One of the side frame pieces 4
7b, the engaging claws 48b are connected to the narrow support pieces 49.
To support from both sides. That is, when the switch 50 is mounted on the mounting frame 40, the engaging claw 48a of the side frame 47 is first engaged with the frame mounting hole 53 of the switch 50, and the other side frame is By pushing and bending the support piece 49 of the switch 47b toward the mounting window 41, the engaging claw 48b is engaged with the frame mounting hole 53 of the switch 50, and the switch 50 is mounted on the mounting frame 40. The mounting frame 40 is provided with three sets of engaging claws 48a and 48b so that three switches 50 can be mounted side by side in a direction orthogonal to the longitudinal direction. Further, the mounting frame is not limited to the metal frame, but may be a synthetic resin frame. In the case of a synthetic resin frame, a locking projection protruding laterally from the assembly frame 54 of the switch 50 is used. A locking hole for locking the claw 55 is provided.

As described above, the plate frame 1 is mounted on the front surface of the mounting frame 40 on which the switch 50 is mounted. That is, the mounting screw 80 is inserted into the screw insertion hole 4 a provided in the mounting piece 4 of the plate frame 1, and the mounting screw 80 is
The plate frame 1 is screwed and attached to the mounting frame 40 by being screwed into the screw holes 46 provided on the both side pieces 42. Even if the mounting frame 40 floats or sinks with respect to the construction surface in a state where the mounting frame 40 is mounted in the embedding box, when the mounting screw 80 is tightened, the mounting piece 4 formed in a bellows shape is tightened. As a result, the displacement caused by the floating or sinking can be absorbed, and as a result, a gap can be prevented from being formed between the plate frame 1 and the construction surface (wall surface).

At four corners of the plate frame 1, there are provided middle plate locking holes 6 for locking the locking projections 25 projecting from the back of the main portion 21 of the middle plate 20, and these middle plate locking holes are provided. The middle plate 20 can be detachably attached to the front side of the plate frame 1 by inserting and locking the locking projection 25 to the plate 6. In addition, a tapered surface 6 a inclined from the front side to the rear side is formed on the inner side surface of the middle plate locking hole 6, and the locking projection 25 is formed on the tapered surface 6.
The guiding operation at a allows the locking operation to be easily performed.

On the other hand, the middle plate 20 is made of an insulating synthetic resin (a thermoplastic resin such as an ABS resin or a thermosetting resin having elasticity) similar to the plate frame 1 so as to cover the front surface of the plate frame 1. Of the main part 21 and a side wall 23 projecting rearward from the entire periphery of the main part 21 are formed in a substantially box shape. The locking projections 25 are provided at four corners on the rear side of the main portion 21. An opening 22 for exposing the operation handle 51 of the switch 50 attached to the attachment frame 40 is provided substantially at the center of the main portion 21. Here, since the width between the opposed side walls 23 of the middle plate 20 is larger than each width of the plate frame 1, the mounting frame 40
When the middle plate 20 is attached to the front side of the plate frame 1 mounted on the construction surface and mounted on the construction surface, the plate frame 1 fits inside the side wall 23 of the middle plate 20, and the leading edge of the side wall 23 is almost on the construction surface. Will be in contact. As a result, the abutting surface of the plate frame 1 and the middle plate 20 does not protrude further forward than the construction surface as in the related art, and the abutting line of the two is hardly visible from the side surface, thereby improving the appearance. Can be.

Each side wall 23 of the middle plate 20 has
A regulating rib for regulating the movement of the middle plate 20 by providing an inclined surface 23a inclined from the edge contacting the construction surface toward the main portion 21 and abutting the side surface of the plate frame 1 from the direction along the construction surface. 26 are provided in a plurality of rows. That is, when the middle plate 20 is attached to the front side of the plate frame 1, the regulating rib 26 comes into contact with the side surface of the plate frame 1, thereby preventing the plate frame 1 from rattling in the direction along the construction surface of the middle plate 20. can do.

On the other hand, the plate frame 1 is provided with an overhang portion 7 which continuously extends outward over the entire circumference. A plurality of ribs 27 are mounted on the front surface of the overhang portion 7 and prevent the backlash of the middle plate 20 along the inner surface of the side wall 23. Thus, when the middle plate 20 is attached to the plate frame 1, the ribs 27 are placed on the front surface of the projecting portion 7 of the plate frame 1, and the middle plate 2 is substantially perpendicular to the construction surface.
Zero rattling can be prevented.

Further, a pair of notches 24 are provided in both side walls 23 facing each other along the longitudinal direction of the middle plate 20. A jig (a tip of a driver or the like) is inserted into the notches 24, and By applying a force to the front side, the locking between the locking projection 25 of the middle plate 20 and the middle plate locking hole 6 of the plate frame 1 is released, and the middle plate 20 can be removed from the plate frame 1. It is like that. Here, at the position corresponding to the cutout portion 24 of the vertical piece 2 of the plate frame 1, the claw piece 8 which is thinner than the overhang portion 7 is extended so as not to protrude from the cutout portion 24 of the middle plate 20. . That is, there is a possibility that the construction surface may be damaged by applying a force to the jig inserted into the notch portion 24 with the portion contacting the construction surface as a fulcrum, but by providing the claw pieces 8 as described above, the notch portion 24 is provided. As a result, the jig inserted into the plate abuts on the claw piece 8, and when the middle plate 20 is removed from the plate frame 1, it is possible to prevent the jig from damaging the construction surface.

Meanwhile, a metal plate 30 is attached to the front surface of the middle plate 20 in order to improve the decorative or design appearance and the fire resistance. As shown in FIG. 2, the metal plate 30 has one switch 5 substantially at the center thereof.
An exposure window 31 (corresponding to one module size) exposing a zero functional surface is formed, and has a side portion 30a bent in a substantially arc shape to the back side along the longitudinal direction.

On both sides 30a of the metal plate 30 opposed to each other in the short width direction, four attachment pieces 32 are respectively provided on the back side at substantially equal intervals, and the inner surface of each attachment piece 32 A projecting locking portion 33 is provided in a protruding manner. This locking part 33
As shown in FIG. 3, a tapered surface 33a is formed which is inclined inward as the distance from the tip of the side portion 30a increases.

On the other hand, a fitting recess (not shown) for fitting the metal plate 30 is formed on the front side of the middle plate 20.
Further, on both side walls 23, both side portions 30a of the metal plate 30 are provided.
Is formed with an insertion groove 28 into which the tip portion of is inserted.
Here, as shown in FIG. 2, concave portions 21a for releasing the attachment pieces 32 are provided on both side walls 23 at positions corresponding to the respective attachment pieces 32 of the metal plate 30.
A flexible engaging piece 29 with which the engaging portion 33 of the metal plate 30 engages unevenly is integrally formed at the front end facing a.

As shown in FIGS. 3 and 4, the distal ends of both side portions 30a of the metal plate 30 are inserted into the insertion grooves 28 formed in the side walls 23 of the middle plate 20. Mounting piece 32 enters recess 21a. At this time, the tapered surface 33a of the locking portion 33 protruding from the inner surface of the attachment piece 32 comes into contact with the engagement piece 29, and receives a pressing force from the locking portion 33 as the attachment piece 32 is pushed. The engagement piece 29 is bent, and as shown in FIG. 3, the tip of the engagement piece 29 and the locking portion 33 of the attachment piece 32 are unevenly engaged with each other. And is fixed (prevented) by the concave and convex engagement between the locking portion 33 and the engaging piece 29.

As described above, since the metal plate 30 can be easily (one-touch) attached to the middle plate 20, the work efficiency of attaching the metal plate 30 to the middle plate 20 in the manufacturing process can be improved. .

The number, shape and size of the opening 22 of the middle plate 20 and the exposed window 31 of the metal plate 30 are as follows.
It depends on the type, number, etc. of the wiring devices attached to the attachment frame 40. For example, if the switch 50 or two wiring devices of the same size are mounted on the mounting frame 40, two openings 22 and exposure windows 31 of the same size may be arranged in the longitudinal direction. When three switches 50 or the same size wiring devices are mounted on the mounting frame 40,
Alternatively, if a wiring device having a size corresponding to three switches 50 is mounted on the mounting frame 40, the size may be such that three openings 22 and three exposed windows 31 are arranged. Note that the size of one module may be set to an appropriate value (for example, a large-sized continuous wiring device of Japanese Industrial Standard (JIS C8304) or the like). Can be attached to the attachment frame 40. Further, in the present embodiment, the mounting portion to which the wiring device (the switch 50) is detachably mounted is the mounting frame 40 which is separate from the plate frame 1. For example, the mounting frame 40 is formed integrally with the plate frame 1. It may be.

(Embodiment 2) Embodiment 2 of the present invention will be described with reference to FIGS. Note that the basic structure of the present embodiment is the same as that of the first embodiment. Therefore, illustration and description of common parts are omitted, and only characteristic parts of the present embodiment will be described.

In this embodiment, a rib-shaped caulked portion 34 is provided instead of the attachment piece 32 in the first embodiment.
The metal plate 30 is fixed to the middle plate 20 by fixing the metal plate 30 to the middle plate 20.

Four caulking portions 34 are protruded at substantially equal intervals on both side portions 30a of the metal plate 30 facing each other in the short width direction, and this position is provided with the attachment piece 32 in the first embodiment. Corresponds to position. As shown in FIG. 5, the insertion grooves 28 formed in the side walls 23 of the middle plate 20 are formed.
The tip portions of both side portions 30a of the metal plate 30 are inserted into the metal plate 30, and the swaged portions 34 of the metal plate 30 enter the recesses 21a. Then, by caulking the caulking portion 34 from the back surface side of the middle plate 20, the metal plate 30 is fitted into the fitting recess on the front surface of the middle plate 20 and caulked and fixed by the caulking portion 34 as shown in FIG. Things.

[0028]

According to the first aspect of the present invention, there is provided a plate frame which is provided integrally or separately with a mounting portion to which a buried type wiring device is mounted, and which covers an opening side of a buried hole provided on a construction surface. A middle plate having an opening for exposing a functional surface of the wiring device and attached to a 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 medium plate; Since the metal plate is provided with one or a plurality of locking portions, and the one or more locked portions which engage with the respective locking portions are provided on the middle plate. By locking the locking part to the locked part of the middle plate, the metal plate can be easily attached to the middle plate without using double-sided tape, and the work of attaching the metal plate and the middle plate in the manufacturing process Work efficiency There is an effect that can be above.

According to a second aspect of the present invention, there is provided a plate frame for providing a mounting portion to which an embedded wiring device is attached, integrally or separately, and covering an opening surface side of an embedded hole provided in a construction surface, A middle plate having an opening for exposing a functional surface of the wiring board and attached to a 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 the front surface of the middle plate. Since the caulking portion that is caulked on the middle plate is provided on the metal plate, the caulking portion provided on the metal plate is caulked on the middle plate so that the metal plate can be easily formed on the middle plate without using a double-sided tape. The metal plate and the middle plate can be attached in the manufacturing process, so that the work efficiency of attaching the metal plate and the middle plate can be improved.

According to a third 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. A notch is provided in the middle plate for inserting a removal jig for removing the locking hole, so that the jig is inserted into the notch and the middle plate and the metal plate are lifted using the principle of leverage. Thus, there is an effect that the locking between the locking projection and the locking hole is released, and the middle plate and the metal plate can be easily removed from the plate frame.

According to the fourth aspect of the present invention, a claw piece that does not protrude from the notch is provided in the plate frame at a position corresponding to the notch, so that the jig inserted into the notch contacts the claw. When the middle plate and the metal plate are removed from the plate frame, the jig can prevent the construction surface from being damaged.

According to a fifth aspect of the present invention, a screw insertion hole for inserting a mounting screw for arranging the plate frame on a construction surface is provided on a mounting piece formed in a bellows shape and supported flexibly on the plate frame. Since the mounting piece is provided, even if the counterpart to which the mounting screw is screwed (for example, the mounting frame to which the disposing device is mounted) is floating or sinking with respect to the construction surface, the mounting piece bends and the shift due to floating or sinking occurs. Therefore, there is an effect that it is possible to prevent a gap from being generated between the plate frame and the construction surface by absorbing the water.

[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, FIG. 2 (c) is a rear view, and FIG. 2 (d) is an XY line of FIG. 2 (a). It is a sectional arrow view.

FIG. 3 is a side sectional view of a main part in a state where a metal plate is attached to the middle plate according to the first embodiment.

FIG. 4 is a side sectional view of a main part in a state where a metal plate is attached to the middle plate according to the first embodiment.

5A and 5B show a middle plate and a metal plate in a second embodiment, wherein FIG. 5A is a front view, FIG. 5B is a side sectional view, and FIG.
FIG. 2 is a rear view, and FIG. 2D is a sectional view taken along the line XY in FIG.

FIG. 6 is a side sectional view of a main part in a state where a metal plate is attached to the middle plate according to the first embodiment.

FIG. 7 is a side sectional view of a main part in a state where a metal plate is attached to the middle plate according to the third embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Plate frame 20 Medium plate 29 Engagement piece 30 Metal plate 32 Attachment piece 33 Locking part

Claims (5)

[Claims] 1. A plate frame for covering an opening side of an embedding hole provided on a construction surface by integrally or separately providing a mounting portion to which an embedded wiring device is attached, and a functional surface of the wiring device. An intermediate plate having an opening to be exposed 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 the front surface of the intermediate plate. A plate for wiring equipment, wherein one or a plurality of locking portions are provided, and one or a plurality of locked portions which engage with each of the locking portions in an uneven manner are provided on the middle plate. 2. A plate frame for covering an opening side of an embedding hole provided on a construction surface by integrally or separately having a mounting portion to which an embedded wiring device is attached, and a functional surface of the wiring device. An intermediate plate having an opening to be exposed 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 the front surface of the intermediate plate, wherein the intermediate plate has A plate for wiring equipment, wherein a caulking portion to be caulked is provided on the metal plate. 3. 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. 3. The wiring device plate according to claim 1, wherein a cutout portion into which a removal jig for removal is inserted is provided in the middle plate. 4. The wiring device plate according to claim 3, wherein a claw that does not protrude from the notch is provided on the plate frame at a position corresponding to the notch. 5. A screw insertion hole for inserting a mounting screw for arranging the plate frame on a construction surface is provided on a mounting piece formed in a bellows shape and flexibly supported by the plate frame. The wiring device plate according to claim 1.