JP3387021B2 - Wiring equipment for floor - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to floor wiring equipment.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 3, an embedding box 1 that is substantially box-shaped with one surface open and is embedded in the floor with the opening 1a facing the floor surface side, and the embedding box 1. The cover 2 is attached to the opening 1a and has a rectangular opening 2b communicating with the opening 1a. The cover 2 has a protrusion 3a projecting forward. Two outlets 3b are provided on the protrusion 3a. The bent wiring device body 3 and a square frame-shaped central piece 4 in which mounting holes 4a for mounting the wiring device body 3 are formed in a state where the protrusion 3a is exposed, and both ends of the central piece 4 are bent. The tool holding plate 7 made of metal, which is composed of the side pieces 5 and 6 integrally formed with the central piece 4 by forming, is provided at each of the end edges of the side pieces 5 and 6, and the projecting part 3a is formed as an opening hole. 2b
The wiring holding device main body 3 is housed in the embedding box 1 and has attachment pieces 8 for attaching the device holding plate 7 to the cover 2 and a window hole communicating with the opening 2b. Provided is a wiring device for floors, which includes a cover plate 9 that covers the holes so that the holes can be opened and closed, and a plate block 10 that is attached to the cover 2 and fixed to the floor surface. In this floor wiring device, when the wiring device body 3 is used, the wiring device body 3 can be exposed by opening the cover plate 9.
Further, when not in use, the cover plate 9 is closed and stored in the floor, so that the aesthetics of the room can be improved.

[0003]

By the way, as a result of downsizing of the wiring equipment block A composed of the wiring equipment main body 3 and the equipment holding plate 7 described above, as shown in FIG. 4, as shown in FIG. The wiring fixture block A can be attached to the cover 2 provided with the round hole 2a having a smaller opening area than the cover 2 shown in FIG. Here, the device holding plate 7 is a rectangular plate-shaped central piece 4 provided with mounting holes (not shown) for mounting the wiring device body 3, and both ends of the central piece 4 are bent in one direction. By the center piece 4
And side pieces 5 and 6 which are continuously and integrally formed with each other, and are formed in a substantially U-shaped cross section. The tip ends of the side pieces 5 and 6 are attached to attach the device holding plate 7 to the cover 2. Piece 8,
8 is projected. However, since the wiring equipment block A is downsized, the gap between the equipment holding plate 7 and the inner surface of the cover 2 becomes large, and it is possible to put a hand inside the embedding box 1 through this gap. There is a risk of electric shock due to contact with the charging part of the device body 3 (that is, the connection point between the wiring device body 3 and the power supply wiring), and the wiring drawn inside the embedded box is visible, which impairs the aesthetics. There was also a problem.

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 for floors having improved safety and aesthetics.

[0005]

In order to achieve the above-mentioned object, in the invention of claim 1, at least one surface is open, and an embedding box fixed in the floor by embedding and fixing it in the floor with the opening being the floor surface side. A cover provided with an opening hole that is attached to the opening of the storage box and communicates with the opening, a center piece provided with an attachment hole for attaching the wiring device body, and both ends of the center piece are bent in one direction. Then, the instrument holding plate consisting of a pair of side pieces formed continuously and integrally with the central piece, and the instrument holding plate covered with the wiring instrument main body provided in the end edges of both side pieces in the embedding box. A pair of mounting pieces for mounting, characterized in that the device holding plate is provided with a shielding plate for closing a gap formed between the inner surface of the cover and the device holding plate,
Since the gap between the inner surface of the cover and the device holding plate is closed by the shielding plate, the wiring drawn into the embedded box is hidden from the outside to improve the aesthetic appearance, and the wiring device body and the wiring It is possible to prevent the user from touching the connection part of and improve the safety.

The invention of claim 2 is characterized in that, in the invention of claim 1, the shield plate is formed separately from the instrument holding plate, and the shield plate and the instrument holding plate can be manufactured separately. Since the shielding plate and the device holding plate are formed by bending the plate material, the shielding plate and the device holding plate can be manufactured at low cost.

According to a third aspect of the present invention, in the second aspect of the present invention, the shield plate is provided with a holding piece for holding the edge of the instrument holding plate. The holding piece holds the edge of the instrument holding plate. Since the shield plate is attached to the instrument holding plate by sandwiching it, the work of attaching the shield plate can be easily performed.

According to a fourth aspect of the invention, in the third aspect of the invention, the holding piece is provided with a locking portion that locks with a locked portion provided on the instrument holding plate. By locking the provided locking portion to the locked portion of the device holding plate, the shield plate can be attached to the device holding plate more reliably.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION FIG.
2 and FIG. 2. This wiring device for a floor is a box-shaped device having an opening on one side and is embedded in the floor with the opening portion facing toward the floor surface side. A cover 2 provided with a circular hole 2a communicating with each other, a wiring tool body 3 having a protruding portion 3a projecting forward and having one outlet 3b provided on the protruding portion 3a, and the protruding portion 3a are exposed. The central piece 4 in the shape of a square frame in which the mounting hole 4a for mounting the wiring device body 3 is formed in this state, and both ends of the central piece 4 are bent and formed integrally with the central piece 4 continuously. The device holding plate 7 including the side pieces 5 and 6 and the both side pieces 5 and 6 are respectively provided at the end edges of the wiring board main body 3 in the embedding box 1 while the projecting base 3a faces the opening 2a. Device holding plate 7
A pair of mounting pieces 8 and 8 for mounting the
It is provided with shield plates 11 and 11 that shield a gap formed between the inner surface of the cover 2 and the instrument holding plate 7. The mounting piece 8 is provided with a notch 8a for inserting a mounting screw for fixing a plate block (not shown) into a screw hole 2c provided in the cover 2.

The shield plate 11 is composed of a substantially flat plate-shaped central piece 12 and side pieces 13 and 14 which are formed integrally with the central piece 12 from both ends of the central piece 12 so as to project in one direction.
Here, the central piece 12 facing the central piece 4 of the instrument holding plate 7
Ribs 15a and 15c that come into contact with the lower surface of the central piece 4 of the instrument holding plate 7 in FIG. 2 and ribs 15b that come into contact with the upper surface of the central piece 4 in FIG. Has been done. On the other hand, at the edge of the side piece 13 that faces the one side piece 5 of the instrument holding plate 7, a rib 16b that comes into contact with the surface of the side piece 5 that faces the other side piece 6, and the other side of the side piece 5 are provided. A rib 16a that abuts the surface is provided in a protruding manner. Similarly,
At the edge of the side piece 14 that faces the other side piece 6 of the instrument holding plate 7, a rib 16b that abuts a surface of the side piece 6 that faces the other side piece 5, and the other surface of the side piece 6 is provided. A pair of abutting ribs 16a are provided in a protruding manner. In addition, the shielding plate 11
At both ends of the ribs 16b projectingly provided on the both side pieces 13 and 14, respectively, are engaged with the long holes (locked portions) 18 formed on both sides of the both side pieces 5 and 6 of the instrument holding plate 7, respectively. A locking claw (locking portion) 17 is provided so as to project.

Thus, the shield plate 1 is attached to the instrument holding plate 7 from the side.
When 1 is attached, the end edge of the central piece 4 of the instrument holding plate 7 is sandwiched between the ribs 15a and 15c and the rib 15b provided on the central piece 12 of the shielding plate 11, and the side piece 13 of the shielding plate 11 is sandwiched. Since the end edges of the side pieces 5 and 6 of the instrument holding plate 7 are respectively sandwiched between the ribs 16a and 16b provided on the instrument holding plate 14, the shield plate 11 can be easily attached to the instrument holding plate 7. At this time, the locking claws 17 projecting from the ribs 16b lock with the long holes 8 provided in the both side pieces 5 and 6 of the instrument holding plate 7, so that the shield plate 11 can be more surely attached to the instrument holding plate 7. Can be attached to. In this way, since the gaps formed between the inner surface of the cover 2 and the device holding plate 7 are closed by the shielding plates 11 and 11, the wiring inside the embedding box 1 is hidden from the outside and the appearance is improved. At the same time, prevent the user from touching the connection between the wiring device body 3 and the wiring,
The safety can be improved.

By the way, in this embodiment, since the shielding plate 11 is formed separately from the instrument holding plate 7, the shielding plate 11 and the instrument holding plate 7 can be manufactured separately, and the instrument holding plate 7 and the instrument holding plate 7 can be manufactured separately. Since the shielding plate 11 is formed by bending the plate material, the device holding plate 7 and the shielding plate 11 can be manufactured at low cost. Needless to say, the shielding plate 11 may be formed integrally with the instrument holding plate 7, the number of parts is reduced, and the assembling workability is improved.

Further, in the present embodiment, the wiring apparatus main body 3 provided with a single outlet is used, but it is not intended to limit the wiring apparatus main body 3 to an outlet, and for example, a modular jack for communication wiring may be used. It goes without saying that the provided wiring device body 3 may be used.

Although not shown in the drawings, like the conventional wiring equipment for floors described above, a cover plate having a window hole communicating with the opening 2a and opening and closing the window hole is provided, and the cover 2 is provided. A plate block (not shown) that is attached and fixed to the floor surface is provided. When the wiring device body 3 is used, the wiring device body 3 can be exposed by opening the lid plate, and the wiring device body 3 is not used. Occasionally, by closing the lid plate and storing it on the floor, the aesthetics of the room can be improved.

[0015]

As described above, according to the first aspect of the present invention, at least one surface is opened and the embedded box is embedded and fixed in the floor with the opening facing the floor surface side. The embedded box is attached to the opening of the embedded box. A cover provided with an opening hole communicating with the opening, a center piece provided with a mounting hole for attaching the wiring device body, and both ends of the center piece are bent in one direction to be continuously integrated with the center piece. An instrument holding plate formed of a pair of side pieces formed, and a pair of attachment pieces for attaching the instrument holding plate to the cover in a state where the wiring instrument body is housed in the embedding box and is provided at the end edges of both side pieces, respectively. The instrument holding plate is provided with a shielding plate that closes a gap formed between the inner surface of the cover and the instrument holding plate, and the shielding plate closes a gap formed between the inner surface of the cover and the instrument holding plate. The wiring inside the embedded box is Improves the appearance and invisible from parts, to prevent the user from touching the connection portion of the wiring instrument body and the wiring, there is an effect that it is possible to improve safety.

The invention of claim 2 is characterized in that, in the invention of claim 1, the shield plate is formed separately from the instrument holding plate, and the shield plate and the instrument holding plate can be manufactured separately. Since the shielding plate and the device holding plate are formed by bending the plate material, there is an effect that the shielding plate and the device holding plate can be manufactured at low cost.

According to a third aspect of the present invention, in the second aspect of the present invention, the shielding plate is provided with a holding piece for holding the edge of the instrument holding plate. The holding piece holds the edge of the instrument holding plate. Since the shield plate is attached to the instrument holding plate by sandwiching it, there is an effect that the work of attaching the shield plate can be easily performed.

The invention of claim 4 is characterized in that, in the invention of claim 3, the holding piece is provided with a locking portion for locking with a locked portion provided on the instrument holding plate. By locking the provided locking portion to the locked portion of the device holding plate, there is an effect that the shield plate can be more reliably attached to the device holding plate.

[Brief description of drawings]

FIG. 1 is an external view showing a floor wiring device of the present embodiment.

FIG. 2 is an exploded perspective view of the above, which can be partially omitted.

FIG. 3 is an exploded perspective view showing a conventional floor wiring device.

FIG. 4 is an external view showing another conventional floor wiring device.

[Explanation of symbols]

1 embedded box 2 cover 2a round hole 4 central piece 5,6 side piece 7 Instrument holding plate 8 mounting pieces 11 Shield

Continuation of the front page (56) References JP-A-2-119517 (JP, A) JP-A-3-226216 (JP, A) JP-A-5-38022 (JP, A) Actual development Sho-55-90124 (JP , U) Actually open 56-169720 (JP, U) Actually open 62-122424 (JP, U) Actually open 63-149126 (JP, U) Actually open 1-1711519 (JP, U) Actually open 4-93422 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) H02G 3/18 H02B 1/40 H02G 3/02 H02G 3/08 H02G 3/38

Claims (4)

(57) [Claims] 1. An embedding box that is embedded and fixed in the floor, at least one surface of which is open and the opening is on the floor surface side, and an opening hole that is attached to the opening of the embedding box and communicates with the opening. A device holding device including a cover, a center piece provided with a mounting hole for attaching the wiring device body, and a pair of side pieces continuously formed integrally with the center piece by bending both ends of the center piece in one direction. The inner surface of the cover and the device holding plate, and a pair of mounting pieces for mounting the device holding plate to the cover in a state where the wiring device body is housed in the embedding box, which are respectively provided at the end edges of both side pieces. A wiring device for floors, characterized in that a shielding plate for closing a gap formed between the device holding plate and the device holding plate is provided. 2. The floor wiring device according to claim 1, wherein the shielding plate is formed separately from the device holding plate. 3. The wiring device for floor according to claim 2, wherein the shielding plate is provided with a holding piece for holding the edge of the device holding plate. 4. The holding piece is provided with a locking portion that locks with a locked portion provided on the instrument holding plate.
The wiring equipment for the floor described.