JP3070857B2 - Mounting device for wiring equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method in which an opening surface of an embedding hole such as a wall surface is arranged all over,
The present invention relates to a wiring device mounting device for mounting a switch, an outlet, and the like.

[Prior Art] FIG. 10 shows a conventional example, in which one side piece of a plate frame 50 has a fixed side fixing rib 53, and the other side piece has a movable side bending piece 51. An inclined surface 55 for inserting the outlet 3 as a wiring device is formed on the piece 51. In this conventional example, one locking piece 5 of the outlet 3 is fixed to a fixing rib on the fixed side.
After being inserted and locked into the step portion 54 of 53 first, the other locking piece 5 is brought into contact with and along the inclined surface 55 of the bending piece 51, whereby the bending piece
51 is bent outward so as to be locked to the step 52 of the bending piece 51.

[Problem to be Solved by the Invention] In such a conventional example, the movable-side bending piece 51 has a bending structure and a structure having an inclined surface 55 for inserting an instrument.
Since these two functions are provided, there is a problem in that it is structurally impossible, and it is difficult to provide the flexible piece 51 with rigidity.

The present invention has been provided in view of the above points,
It is an object of the present invention to provide a wiring device mounting device in which only the flexible structure is provided on the movable side and rigidity is provided on the movable side.

[Means for Solving the Problems] The invention according to claim 1 comprises a plate frame and a decorative plate having a recess formed on the front surface while leaving a periphery, and having an opening at the center for mounting a plurality of wiring devices. A mounting device for wiring equipment, wherein one side piece of a plate frame includes:
An inner piece and an outer piece which are opposed to each other with a space formed therebetween, and a flexure piece supported by the inner and outer bridge pieces are formed on the inner and outer pieces, and the flexure piece projects from both sides of the wiring device. A plurality of first steps to which one of the locking pieces is locked are provided, and one of the locking pieces is locked by the other side of the plate frame abutting along the other side piece of the plate frame. An inclined surface for bending the bending piece outward is formed, and a plurality of second step portions for locking the other of the locking pieces are provided on the front side of the inclined surface, and the bridge piece is connected to a plurality of wirings. The decorative plate is provided at each boundary where the device is arranged, and the decorative plate is fitted into the recess.

Further, as in the second aspect of the present invention, the opening may have a size in which three standardized wiring devices can be mounted.

Further, the opening of the plate frame is provided on both sides via the center piece as in the invention of claim 3, and both openings are sized so that three standardized wiring devices can be mounted. May be provided, and the bending pieces may be provided on both sides of the plate frame.

[Operation] The invention of claim 1 is a wiring device mounting apparatus comprising a plate frame and a decorative plate having a recess formed on the front surface with a periphery left and having an opening in a center portion for mounting a plurality of wiring devices. And on one side piece of the plate frame,
An inner piece and an outer piece which are opposed to each other with a space formed therebetween, and a flexure piece supported by the inner and outer bridge pieces are formed on the inner and outer pieces, and the flexure piece projects from both sides of the wiring device. A plurality of first steps to which one of the locking pieces is locked are provided, and one of the locking pieces is locked by the other side of the plate frame abutting along the other side piece of the plate frame. An inclined surface for bending the bending piece outward is formed, and a plurality of second step portions for locking the other of the locking pieces are provided on the front side of the inclined surface, and the bridge piece is connected to a plurality of wirings. The decorative plate is provided at each boundary where the device is arranged, and the decorative plate is fitted into the recess, so that the bending piece can be sufficiently bent together with the inner piece to lock one of the wiring devices. The first piece of the flexure piece
After locking to the step, the workability of mounting the wiring device when the other locking piece rides over the inclined surface formed on the other side piece and locks to the second step is improved. The installation can be done quickly and easily.

According to the second aspect of the present invention, the opening is sized so that three standardized wiring devices can be mounted thereon, and a maximum of three wiring devices of one plate frame can be mounted, thereby improving tool installation workability. Let me.

Further, in the invention according to claim 3, the openings of the plate frame are provided on both sides via the center piece, and both openings are sized so that three standardized wiring devices can be mounted. By providing two step portions and providing the above-mentioned bending pieces on both sides of the plate frame, the bending piece is provided on one side piece for inserting and locking the locking piece first, thereby facilitating insertion of the wiring device. , And the central piece becomes a fixed portion, so that a structure that also serves as reinforcement of the central piece can be taken.

[Example] Hereinafter, an example of the present invention will be described with reference to the drawings. 1 to 3, a plate frame 1 made of synthetic resin is used.
Is formed flat and has an opening 2 at the center.
An outlet 3 as a wiring device is detachably mounted on the plate frame 1 with its front surface exposed at the opening 2. The outlet 3 has a body 3a and a cover 3b connected to each other by a pair of metal assembly frames 4, and a pair of locking pieces 5 projecting from side end surfaces of the assembly frame 4, respectively. Note that a switch may be used instead of the outlet 3. The outlet 3 has a size corresponding to one standardized wiring appliance module, and the opening 2 of the plate frame 1 has a size to which three outlets 3 can be attached.

The plate frame 1 is installed in front of an opening surface of an embedding box embedded in a wall or the like. Elongated and circular mounting holes 6 and 7 are provided above and below the plate frame 1, respectively. Has been drilled. A movable part 34 is attached to one side piece 8 of the plate frame 1.
Is formed. That is, the inner piece 9 and the outer piece of the side piece 8
10 are formed integrally in parallel with a space therebetween, and a flexible bending piece 11 whose upper and lower ends are integrated with the plate frame 1 is formed in the space between both side pieces 9 and 10. It is. The flexure piece 11 is connected to the inner surfaces of the inner and outer pieces 9 and 10 by bridging pieces 12 and 13 at respective boundaries where three wiring devices (outlets 3) are arranged. Bridge piece 12 outside outer piece 10
The slit 14 is formed in the part where is connected,
The inside portion is made into a thin piece 15 having a small thickness. The bridging piece 12 is coupled to the thin piece 15 so that the bending piece 11 is easily bent together with the inner piece 9. The bending piece 11 is formed so as to bend in the lateral direction as indicated by the arrow in FIG. Therefore, since the bending piece 11 has only a lateral displacement, the bending piece
A structure having rigidity in 11 can be easily adopted.

As shown in FIG. 4 as viewed from the rear side, three sets of a pair of recesses 16 are formed on the inner surface of the bending piece 11, and as shown in FIG. Locking piece 5 of outlet 3
Is a first step 17 to be locked. The rear end of the bending piece 11 is formed to protrude rearward from the outer piece 10, and the first step 17 is formed rearward than the outer piece 10.

A fixing portion 33 is formed on the other side piece 18 of the plate frame 1. That is, as shown in FIGS. 1 and 3, the fixing rib 19 is integrally formed on the back surface of the side piece 18. Side piece
A recess 20 that penetrates the fixing rib 19 side is formed in the
Three sets of a pair of second step portions 21 are formed on the back side of 20. The second step portion 21 is formed behind the back of the side piece 18,
The locking piece 5 of the outlet 3 is locked.
As shown in FIG. 1, an inclined surface 22 is formed inside the fixing rib 19 and on the back corresponding to the second step portion 21. When the stop piece 5 abuts and follows, the bending piece 11 is bent outward together with the inner piece 9 by the other locking piece 5.

A recess is formed on the front surface of the plate frame 1 except for the periphery, and a decorative plate 23 is detachably fitted into the recess. That is, the decorative plate 23
On the back surface of the device, six engaging pieces 24 are integrally provided so as to protrude therefrom.
An engagement hole 25 to which the engagement 24 is made is formed in the plate frame 1.
An opening window 26 is provided at the center of the decorative plate 23 to expose the front surface of the outlet 3 having the blade insertion hole. In this embodiment, a decorative plate 23 for one wiring device is used. Therefore, it is sufficient to use the decorative plate 23 provided with the opening windows 26 corresponding to the number of wiring devices used according to the number of wiring devices used. At four corners of the plate frame 1, locking holes 27 for mounting a refractory plate are formed.

Between the pair of recesses 20 on the side piece 18 side of the plate frame 1, an insertion hole 29 for inserting a driver 28 for releasing the outlet 3 is provided penetrating in the front-rear direction. As shown in FIG. 5, a screwdriver is provided on the inner side surface of the insertion hole 29.
A chamfer 30 is provided to increase the degree of freedom of the 28.

Next, an operation of attaching and detaching the outlet 3 to and from the plate frame 1 will be described. First, as shown in FIG. 1, one of the locking pieces 5 of the outlet 3 is inserted and locked into the first step 17 on the bending piece 11 side, and the other locking piece 5 is fixed to the inclined surface of the fixing rib 19. Move to the front side along 22. The outlet 3 is moved toward the bending piece 11 by abutting and making contact with the inclined surface 22.
Therefore, one locking piece 5 urges the bending piece 11 outward to bend. At this time, since the bending piece 11 is supported by the inner and outer pieces 9 and 10 by the inner and outer bridging pieces 12 and 13 at the boundary where the outlet 3 is arranged, the inner piece 9 is slightly bent together with the bending piece 11. Becomes And the other locking piece 5 is an inclined surface
When it is inserted and locked in the second step portion 21 over the second step portion 22, the bending piece
The outlet 3 is returned to the right in FIG. 1 by the return force of 11, and the locking pieces 5 are locked to the first and second steps 17, 21 and are also in contact with the back surface of the plate frame 1. , Outlet 3
Is to be mounted on the plate frame 1. That is, one of the locking pieces 5 of the outlet 3 is first provided on the movable-side bending piece 11 side.
Is inserted, and the movable-side bending piece 11 is pushed outward by the fixed-side inclined surface 22 and fitted therein. That is, the bending piece 11 on the side of the first step portion 17 for inserting and locking the locking piece 5 is bent in the lateral direction, and the fixing rib on the side of the second step portion 21 for insertion later.
The 19 side is not bent.

Next, when the outlet 3 is removed from the plate frame 1, the following operation is performed. That is, the driver 28 is inserted into the insertion hole 29 from the front, and as shown in FIG.
Abuts against the end face of the assembly frame 4 between the locking pieces 5, and the driver 28 is tilted outward as shown by a dashed line in the figure. Then, the outlet 3 is urged by the driver 28 toward the bending piece 11 side, and the outlet 3 can be easily removed from the plate frame 1 by removing the locking piece 5 from the step portion 22. At this time, since the chamfered portion 30 forms a void, the degree of freedom of the driver 28 can be increased, and the driver 28 can be easily removed. Also, if the insertion hole 29 itself is enlarged to facilitate the release, the strength of the side piece 18 is reduced by the size of the insertion hole 29, but the strength of the side piece 18 is reduced because only the chamfer is performed. Without this, the outlet 3 can be easily released. Here, without using the driver 28,
It is also possible to shift the outlet 3 by hand toward the bending piece 11 to release it.

Embodiment 2 FIGS. 6 to 9 show another embodiment. In the previous embodiment, three outlets 3 each having a size equivalent to one standardized wiring appliance module can be mounted. In this embodiment, two openings 2 are provided side by side and three outlets 3 are provided. 2 wiring devices can be mounted. That is, the plate frame 1 is formed in a substantially Japanese character shape, the openings 2 are formed on both sides of the central piece 31, and the side pieces 8 having the flexible pieces 11 are formed symmetrically with respect to the fixed-side central piece 31. This is basically the same as the previous embodiment. That is, the fixed part 33 is provided on the central piece 31 of the plate frame 1, and the movable parts 34 are provided on both side pieces 8.

Here, as shown in FIG. 7, second step portions 21 and inclined surfaces 22 having the same functions as described above are formed on both side surfaces of the fixing rib 19 formed on the back surface of the central piece 31 of the plate frame 1, respectively. I have. Further, as shown in FIG. 9, chamfered portions 30 are formed symmetrically on the side surfaces on both sides of the insertion hole 29 into which the driver 28 is inserted. That is, the plate frame 1 of the present embodiment has a structure in which the plate of the previous embodiment is formed symmetrically with respect to the center piece 31. The decorative plate 23 has a shape corresponding to the size of the plate frame 1.

As shown in FIG. 7, the outlet 3 is attached by connecting the locking piece 5 of the outlet 3 to the first step 17 of the bending piece 11 on both sides.
First, insert and lock, then the inclined surface of the central fixing rib 19
Attached along line 22 in the same manner as in the previous embodiment. Further, as shown by a hatched portion in FIG. 8 (d), a substantially letter-shaped rib 32 is provided on the periphery of the opening 2, and the strength of the plate frame 1 is increased by the rib 32. That is, the strength of the plate frame 1 against the pressing of the wiring device, the tightening of the box screw to the embedding box, and the like is improved.

[Effects of the Invention] The invention according to claim 1 is an installation for a wiring device comprising a plate frame and a decorative plate having a recess formed on the front surface while leaving a periphery and having an opening at a center portion for mounting a plurality of wiring devices. Device, on one side piece of the plate frame,
An inner piece and an outer piece which are opposed to each other with a space formed therebetween, and a flexure piece supported by the inner and outer bridge pieces are formed on the inner and outer pieces, and the flexure piece projects from both sides of the wiring device. A plurality of first steps to which one of the locking pieces is locked are provided, and one of the locking pieces is locked by the other side of the plate frame abutting along the other side piece of the plate frame. An inclined surface for bending the bending piece outward is formed, and a plurality of second step portions for locking the other of the locking pieces are provided on the front side of the inclined surface, and the bridge piece is connected to a plurality of wirings. The decorative plate is provided at each boundary where the device is arranged, and the decorative plate is fitted into the recess, so that the bending piece can be sufficiently bent together with the inner piece, and one locking piece of the wiring device is bent. After being locked to the first step portion of the piece, the other locking piece rides over the inclined surface formed on the other side piece, and Enhance the workability of mounting the wiring devices when engaged with the stepped portion, quickly perform the mounting of the wiring device, in which an effect that can comfortably attached to.

According to the second aspect of the present invention, the opening is sized to accommodate three standardized wiring devices, so that a maximum of three wiring devices of one plate frame can be mounted. Is achieved.

Further, in the invention according to claim 3, the openings of the plate frame are provided on both sides via the center piece, and both openings are sized so that three standardized wiring devices can be mounted. By providing the two stepped portions and providing the above-mentioned bending pieces on both sides of the plate frame, the bending piece is provided on one side piece that inserts and locks the locking piece first, so that the wiring device can be easily inserted. Since the central piece serves as a fixed portion, an effect that a structure that also serves as reinforcement of the central piece can be obtained can be obtained.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an attached state of an embodiment of the present invention, and FIG.
Fig. 3 is an exploded perspective view of the same, Fig. 3 is a rear view of the plate frame of the above, Fig. 4 is a perspective view of a principal part of the same bending piece as viewed from the back, Fig. 5 is an operation explanatory view of the same, and Fig. FIG. 7 is an exploded perspective view of Embodiment 2 of the above, FIG. 7 is a cross-sectional view showing an attached state of the above Embodiment, FIGS. 8 (a) to 8 (d) are front views of the same plate frame, and FIG. 8A is a cutaway bottom view of FIG. 8A, FIG. 8A is a sectional view taken along line F--I 'of FIG. 8A, and a back view thereof. FIG. It is sectional drawing. 1 is a plate frame, 2 is an opening, 5 is a locking piece, 8 is a side piece,
23 is a decorative plate, 31 is a central piece, 33 is a fixed part, and 34 is a movable part.

 ──────────────────────────────────────────────────続 き Continuation of front page (72) Inventor Hideo Hayashi 1048 Odakadoma, Kadoma, Osaka Prefecture Inside Matsushita Electric Works, Ltd. (56) References JP-A-64-81609 (JP, A) (JP, U)

Claims (3)

(57) [Claims] 1. A wiring device mounting apparatus comprising: a plate frame having a recess formed on a front surface of the front surface and a central portion having an opening through which a plurality of wiring devices are mounted; and a decorative plate. The inner piece and the outer piece opposed to each other with a space formed on one of the side pieces, and the flexible piece supported by the inner and outer bridging pieces are formed on the inner and outer pieces, and the flexible piece includes a wiring device. A plurality of first steps are provided for locking one of the locking pieces protruding from both sides of the plate frame, and the other of the locking pieces is brought into contact with the other side piece of the plate frame and locked. One of the pieces is formed with an inclined surface for bending the bent piece outwardly bent, and a plurality of second steps for locking the other of the locking pieces is provided on the front side of the inclined surface. A bridging piece is provided at each boundary where a plurality of wiring devices are arranged, and the decorative plate is recessed. Wiring accessory mounting device, characterized in that fitted into. 2. A standardized wiring device is provided with three openings.
The wiring device mounting device according to claim 1, wherein the mounting device is sized to be individually mounted. 3. An opening of the plate frame is provided on both sides via a central piece, and both openings are sized to allow three standardized wiring devices to be mounted, and the plurality of second step portions are provided in the central piece. The mounting device for a wiring device according to claim 1, wherein the bending pieces are provided on both sides of the plate frame.