JP6562287B2 - Floor wiring equipment - Google Patents

Description

  The present invention relates to a floor wiring apparatus.

  Conventionally, in offices and the like, floor materials are provided on floor floors such as slabs to provide wiring space by opening a space for wiring. Wiring devices for use are known (see, for example, Patent Document 1).

  Such a floor wiring apparatus has a mounting box that accommodates electrical components such as a power outlet, a telephone modular jack outlet, and a LAN (Local Area Network) outlet.

JP 2012-228097 A

  By the way, in the floor wiring appliances as described above, there may be a space around the outlet for reasons such as the assembled state of the outlet and the mounting box and the assembled state of the outlet and other members. Thus, when one blade of the plug of the power outlet is inserted into this space, there is a possibility that only the other blade is inserted into the outlet.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a floor wiring device that can regulate the insertion of a single blade of a plug.

  In order to solve the above-mentioned problems, a floor wiring device is a floor wiring device that is attached to a mounting base by being sandwiched between a top plate and a mounting box, and the top side of the mounting hole for mounting the outlet module of the mounting box And a restricting protrusion that protrudes forward from the mounting hole and restricts insertion of the single blade of the plug.

Moreover, the said structure WHEREIN: It is preferable that the said control protrusion is formed in the direction spaced apart from the said attachment hole.
Moreover, the said structure WHEREIN: It is preferable that the said control protrusion is cut and raised from the said attachment box.

  According to the floor wiring device of the present invention, it is possible to restrict the single-edged insertion of the plug.

It is a perspective view of the floor wiring appliance in an embodiment. It is a disassembled perspective view of the floor wiring appliance in the same as the above. It is a top view of the wiring apparatus for floors in the same as the above. It is a side view of the wiring apparatus for floors in the same as the above. It is a front view for demonstrating the mounting bracket in the same.

Hereinafter, an embodiment of a floor wiring device will be described with reference to FIGS.
The floor wiring device of the present embodiment is used in offices and the like. A floor material constituting a floor of an indoor space is installed on a floor ground such as a slab, and the floor ground and the floor material are between. The wiring system is used to construct the wiring in the space provided in

  As shown in FIGS. 1 and 2, the floor wiring device 10 includes a top plate member 11, a wiring device block 21, and a floor plate 31. In addition, the floor wiring device 10 includes a partition member 41 for partitioning a space for storing the electric wire connected to the wiring device block 21 from a space on the back side of the flooring material.

  The top plate member 11 is formed so as to form a quadrangular ring by pressing a metal thin plate. Insertion holes 11 a through which attachment screws 27 for attaching the corresponding wiring device blocks 21 are respectively inserted are provided at corners on the inner peripheral side of the top plate member 11. Further, the top plate member 11 is provided with a screw hole 11b into which a mounting screw 35 for fixing a plate member 32 described later is screwed in the vicinity of the insertion hole 11a.

  The wiring fixture block 21 includes a power outlet 24 for AC 100V used as a wiring fixture for high power, a mounting bracket 25 as a mounting box, and a wire fixing bracket 26.

As the power outlet 24, an existing wiring instrument (a socket with a two-pole grounding electrode) standardized as a large-angle continuous wiring instrument is used.
The mounting bracket 25 is formed by pressing a metal plate. The mounting bracket 25 includes an instrument holding piece 25b that exposes the front surface 24a of the power outlet 24 through the mounting hole 25a. The instrument holding piece 25b is inclined obliquely forward (slant left side in FIG. 4) toward the lower side, and the power outlet 24 is also provided to be inclined along with this, so that the plug can be easily inserted. Yes.

  As shown in FIG. 2, an abutment piece 25c that abuts the lower surface of the flooring is provided in one direction (opposite to the front surface of the power outlet 24) from the central portion of the upper edge of the instrument holding piece 25b. ing.

  As shown in FIG.2 and FIG.5, the fixed piece 25d which protrudes in the opposite direction from the contact piece 25c is provided from the upper edge both ends of the instrument holding piece 25b. Further, a single blade that protrudes in an obliquely upward direction, which is an upper edge portion of the instrument holding piece 25b and between each fixed piece 25d, is a direction intersecting with a protruding direction of the fixed piece 25d (a substantially horizontal direction at the time of installation). A restriction piece 25e for restricting insertion is provided. Thus, the regulating piece 25e is formed in a direction away from the mounting hole 25a as a mounting hole for mounting the outlet 24. As shown in FIG. 5, both ends of the restricting piece 25e are formed in an R curved shape. Further, the restriction piece 25e is arranged so as to overlap the parallel plug insertion hole 24b in the vertical direction when viewed from the front surface 24a side of the power outlet 24. For this reason, for example, even if only the single blade of the plug is to be inserted only into the upper hole 24b, the insertion of the single blade is restricted by the restriction piece 25e.

A fixing piece 25f for fixing the partition member 41 is provided on the lower edge of the instrument holding piece 25b so as to protrude in the same direction as the fixing piece 25d.
The wiring device block 21 is fixed to the flooring material by sandwiching the flooring material with the top plate member 11. That is, the top plate member 11 and the wiring device block 21 are connected by screwing the mounting screws 27 respectively inserted into the insertion holes 11a of the top plate member 11 into the screw holes of the corresponding fixing pieces 25d. Then, when the mounting screw 27 is screwed in a state where the flooring material is sandwiched between the top plate member 11 and the wiring device block 21, the flooring material is strongly sandwiched between the top plate member 11 and the contact piece 25c. The instrument block 21 is fixed to the flooring.

  The electric wire fixing bracket 26 is screwed to the fixing piece 25f of the mounting bracket 25, and a plurality of insertion holes 26a through which a binding band (not shown) formed of a synthetic resin is formed on the rear side edge are formed. Has been. When a power line (not shown) wired in the wiring space under the flooring is inserted into the rear surface of the power outlet 24, the power line is connected to the terminal portion (not shown) of the quick connection terminal structure housed inside. Connected. In the present embodiment, the installer can fix the power line to the electric wire fixing bracket 26 by binding the power line connected to the power outlet 24 with the binding band passed through the insertion hole 26a, and joins the terminal portion. Tension can be reduced.

  In the floor wiring device 10 of the present embodiment, a mounting bracket 25 for mounting, for example, a LAN outlet used as a light power wiring device is provided on the side opposite to the wiring device block 21 with the partition member 41 interposed therebetween. Provided. Since this mounting bracket 25 has a configuration substantially similar to that of the mounting bracket 25 in the wiring fixture block 21, common constituent elements are denoted by the same reference numerals and description thereof is omitted.

  The partition member 41 is formed by bending a metal plate into a substantially U shape, and through holes 41b are formed in the center piece 41a at positions corresponding to the screw holes of the fixing piece 25f provided in the mounting bracket 25, respectively. Has been. The partition member 41 is fixed to each mounting bracket 25 by screwing the fixing screw 41c inserted into the insertion hole 41b into the screw hole of the corresponding fixing piece 25f. And this partition member 41 partitions the space below a flooring with each attachment bracket 25, and forms the storage space which accommodates the electric wire connected to the wiring fixture block 21 grade | etc.,.

As shown in FIGS. 1 to 4, the floor plate 31 includes a plate member 32 as a frame portion and a lid portion 33.
The plate member 32 is formed, for example, by aluminum die casting into a rectangular frame shape having substantially the same length on the four sides, and has an edge portion 32a and a rectangular opening 32b at the center of the edge portion 32a. Here, as shown in FIG. 4, the power outlet 24 has a front surface 24a disposed on the back side (right side in the drawing) of the opening width of the opening 32b. When viewed downward from the upper side in the vertical direction, it is disposed at a position hidden by the edge 32a.

  The edge portion 32a protrudes inward from three sides excluding one side at the opening edge of the opening portion 32b, and a placement piece on which a part of the lid portion 33 is placed when the lid portion 33 is closed. 32c is formed. The mounting piece 32c is provided with two insertion holes 32d through which the attachment screws 35 are inserted at positions corresponding to the screw holes 11b provided in the top plate member 11, respectively. The lid portion 33 is rotatable around a hinge portion 37 having a rotation axis parallel to one side of the opening edge of the opening portion 32b where the placement piece 32c is not formed. At this time, the hinge portion 37 is provided at a position that does not overlap the outlet 24 in the vertical direction (vertical direction in FIG. 4).

  The lid portion 33 includes a lid plate 33a formed into a rectangular plate shape by, for example, aluminum die casting. The lid 33a is formed with a recess 33b for passing an electric wire (not shown) connected to the wiring device block 21. The lid plate 33a is rotatably attached with a through-door 33c that is formed in a horizontally long rectangular plate shape by, for example, aluminum die casting, and that closes the recess 33b so as to be opened and closed. As shown in FIG. 2, a plurality (for example, two in this embodiment) of leg pieces 33d projecting downward are provided on the lower surface of the wire door 33c with a gap therebetween. A bushing 33e is held between the leg pieces 33d for protecting an electric wire (not shown) wired under the floor through the opening of the wiring door 33c.

Next, the operation of this embodiment will be described.
Since the floor wiring device 10 of this embodiment has the power outlet 24, when the user needs the power, the power outlet 24 is opened by rotating the lid 33 to open the opening 32b. Can be used. At this time, for example, when a plug for a two-pole outlet (without a grounding electrode) is inserted into the power outlet 24, for example, even if it is attempted to insert only one blade of the plug into the upper hole 24b without seeing the hand, Single-blade insertion is regulated by the piece 25e.

Next, the effect of this embodiment will be described.
(1) There is a restriction piece 25e that protrudes forward from the attachment hole 25a and restricts the one-blade insertion of the plug at the upper edge on the top plate member 11 side of the attachment hole 25a for attaching the power outlet 24 of the attachment fitting 25. . As a result, it is possible to regulate the single blade insertion of the plug.

(2) Since the restricting piece 25e is formed in a direction away from the mounting hole 25a, it is possible to prevent the insertion work from being hindered when the plug is correctly inserted.
(3) Since the regulating piece 25e is cut and raised from the mounting bracket 25, it can be integrally formed. Thereby, the increase in the number of parts can be suppressed.

In addition, you may change the said embodiment as follows.
In the above-described embodiment, the restriction piece 25e is configured to be integrally formed with the mounting bracket 25 in advance by cutting and raising, but is not limited thereto. For example, it is good also as an integral structure afterwards, such as welding the control piece 25e with respect to the attachment bracket 25. FIG.

In the above embodiment, the restricting piece 25e is formed in a direction away from the mounting hole 25a. However, a configuration of extending (protruding) in the same direction as the direction in which the mounting hole 25a faces may be adopted.
-In above-mentioned embodiment, although the both ends of the regulation piece 25e were made into R curved surface shape, you may employ | adopt C chamfering shape or pin angle | corner shape.

  DESCRIPTION OF SYMBOLS 10 ... Floor wiring fixture, 11 ... Top plate member (top plate), 24 ... Outlet, 25 ... Mounting bracket (mounting box), 25a ... Mounting hole, 25e ... Restriction piece.

Claims (3)

In the floor wiring device comprising a top plate for sandwiching the mounting base and a mounting box, and a mounting hole for mounting the outlet module is formed in the mounting box,
The attachment box includes a restriction protrusion that restricts insertion of a single blade of a plug into a gap formed between an edge on the top plate side of the attachment box and the top plate, and the restriction protrusion includes the attachment protrusion. A floor wiring device provided at a portion of the edge on the top plate side of the box between the mounting hole and the top plate . The floor wiring device according to claim 1, wherein the restriction protrusion is configured to be inclined toward the front side of the mounting box as it goes from the mounting box side to the top plate side.   The floor wiring device according to claim 1, wherein the restricting protrusion is formed by being cut and raised from the mounting box.