JP2012135093A - Floor wiring member and floor wiring apparatus using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a floor wiring member and a floor wiring apparatus that prevent cables connected to an underfloor wiring fixture from being loaded.SOLUTION: The floor wiring member includes: a frame part 1 having an open window 1a for exposing underfloor wiring fixture blocks 3, 4 placed under the floor; and a lid part 2 hinged on the frame part 1 to close the open window 1a. The lid part 2 comprises: a lid part body 20 having a cabling hole 20c for the passage of a cable to be connected to the wiring fixture blocks 3, 4; and a cabling tip 21 hinged on the lid part body 20 to close the cabling hole 20c. The frame part 1 has on an opening edge of the open window 1a a mounting portion 1b on which the lid part 2 is partly mounted when the lid part 2 is closed, and the cabling tip 21 has leg portions 21c which are partly mounted on the mounting portion 1b when the cabling tip 21 is opened.

Description

  The present invention relates to a floor wiring member and a floor wiring device using the same.

  Conventionally, a floor outlet provided on the floor surface of an office or the like has been provided (see, for example, Patent Document 1). This floor outlet includes a floor box body in which a power outlet, a telephone terminal device, and the like are disposed, a lid body that is supported by the floor box body so as to be openable and closable, and closes an upper surface opening of the floor box body. And a wire tip attached to a cable outlet formed by cutting out the side edge opposite to the shaft support portion of the lid.

  In this floor outlet, when cables are not connected, it is possible to prevent dust and dirt from entering the floor box body by closing the wiring chip and closing the outlet provided in the lid. On the other hand, when connecting cables, connect the cables to a power outlet or the like with the lid open, and then close the lid with the wiring tip open. Fixed at the opening, cables are protected.

Japanese Utility Model Laid-Open No. 7-11828 (paragraph [0005] -paragraph [0011] and FIGS. 1 to 3)

  In the floor outlet shown in the above-mentioned Patent Document 1, the two chipped portions provided on the back surface of the wire chip are brought into contact with the contact plate provided on the back surface of the lid, thereby opening the wire chip. The through-wire tips are held by the frictional force between the bulging portions and the contact plate. Therefore, for example, when a wiring chip is stepped on, the above contact state cannot be maintained, the wiring chip is closed, and there is a possibility that a load is applied to the cables.

  The present invention has been made in view of the above problems, and its object is to provide a floor wiring member that prevents a load from being applied to an electric wire connected to a wiring device disposed under the floor, and It is in providing the wiring apparatus for floors used.

  The wiring member for floors of the present invention has an opening window that exposes a wiring device arranged under the floor, a frame part that is attached to the flooring material, and a lid part that is rotatably supported by the frame part and closes the opening window The frame portion has a mounting portion on the opening edge of the opening window on which a part of the lid portion is placed in a closed state, and the lid portion is provided with a through hole for passing an electric wire. The lid portion main body and a wire tip that is rotatably supported by the lid portion body and closes the wire hole, and at least a part of the wire chip is placed on the placement portion in the open state. A leg portion is provided.

  In the floor wiring member, the leg portion has a first side that is horizontal when the wiring chip is opened and a second side that is vertical when the wiring chip is closed. It is preferably formed in a triangular shape.

  Moreover, in this wiring member for floors, it is preferable that the wiring chip has a plurality of legs, and at least one of the plurality of legs is also used as a partition wall that separates the high current wire and the weak current wire.

  Furthermore, in this wiring member for floors, the lid body has a rectangular shape and is supported by the frame portion by a first shaft portion provided on one side thereof so that it can be opened and closed. A part of another side adjacent to the side is formed by cutting out, and the through-wire chip is formed by the second shaft portion arranged so that the direction orthogonal to the axial direction of the first shaft portion is the axial direction. It is supported by the lid body so that it can be opened and closed, and the wiring chip can be opened and closed when the lid body is opened. When the lid body is closed with the wiring chip opened, the legs of the wiring chip are opened. It is also preferable that the open state of the wire chip is maintained by abutting against the mounting portion of the frame portion.

  A floor wiring device according to the present invention includes the above-described floor wiring member and a wiring device.

  There is an effect that it is possible to provide a floor wiring member and a floor wiring device that prevent a load from being applied to an electric wire connected to a wiring device arranged under the floor.

It is a disassembled perspective view which shows the wiring apparatus for floors of this embodiment. It is an external appearance perspective view same as the above. The construction state is shown, in which (a) is a perspective view of a state in which the wire tip is closed, and (b) is a perspective view of a state in which the wire tip is opened. (A)-(g) is explanatory drawing explaining the operation | movement which opens a wiring chip in the same as the above.

  Below, embodiment of the wiring member for floors and the wiring device for floors is described based on FIGS.

  As shown in FIG. 1, the floor wiring member of the present embodiment has an opening window 1 a for exposing functional surfaces of later-described wiring fixture blocks 3 and 4 disposed below the floor to the indoor side, and the floor material. 100 (see FIG. 3), and a lid portion 2 that is rotatably supported by the frame portion 1 and closes the opening window 1a. The floor wiring member includes a top plate 5 that is screwed to the top of the wiring fixture blocks 3 and 4, and a packing 6 that is disposed between the frame 1 and the top plate 5. Furthermore, the floor wiring device of the present embodiment includes the above-described floor wiring member, wiring fixture blocks 3 and 4, and a cover 7. The wiring fixture blocks 3 and 4 are arranged on the back side of the flooring 100 with the functional surfaces facing each other. The cover 7 partitions the space on the back surface side (lower side) of the flooring 100 together with mounting brackets 30 and 40 (to be described later) of the wiring device blocks 3 and 4, and accommodates the wires connected to the wiring device blocks 3 and 4. Create a space.

  The frame portion 1 is formed in a rectangular frame shape by, for example, aluminum die casting, and a rectangular opening window 1a is provided in the center portion. In addition, a U-shaped mounting portion 1b on which a part of the lid portion 2 is placed when the lid portion 2 is closed is provided at the opening edge of the opening window 1a so as to straddle three sides. The screw insertion holes 1c through which the mounting screws 8 are inserted are provided at the four corners of the mounting portion 1b. Further, two opposite sides of the frame 1 are provided with bearing holes 1d (only one side is shown in FIG. 1) into which both ends of a support shaft (not shown) for supporting the lid 2 are respectively inserted. It has been.

  The lid 2 is rotatably supported by the lid main body 20 provided with a through hole 20c for passing an electric wire (not shown) connected to the wiring device blocks 3 and 4, and the lid main body 20. It is comprised with the wiring chip | tip 21 which obstruct | occludes the wiring hole 20c.

  The lid body 20 has a main piece 20a formed in a rectangular plate shape by, for example, aluminum die casting, and a shaft holding portion 20b having an insertion hole through which the support shaft is inserted is formed on one side of the main piece 20a. Is provided. In addition, a through hole 20c that is cut out in a rectangular shape is provided on the other side of the main piece 20a adjacent to the side on which the shaft holding portion 20b is provided. Furthermore, an exposure hole 20f for exposing the opening / closing button 22 used when opening and closing the lid main body 20 is provided on the opposite side of the main piece 20a to the shaft holding portion 20b.

  In addition, a mounting piece 20e (only one side is shown in FIG. 1) on which a part of the wire chip 21 is placed is provided on two sides facing each other at the opening edge of the wire hole 20c. There are provided bearing holes 20g (only one side is shown in FIG. 1) into which both ends of a support shaft (not shown) for supporting 21 are respectively inserted. Furthermore, bearing pieces 20d and 20d on which the support shaft is placed are provided on the remaining one side of the opening edge of the through hole 20c. Here, in the present embodiment, the shaft holding portion 20b and the support shaft held by the shaft holding portion 20b constitute a first shaft portion, and the lid portion main body 20 is framed by the first shaft portion. The part 1 is supported so as to be opened and closed.

  The through-wire chip 21 has a main piece 21a formed into a horizontally long rectangular plate by, for example, aluminum die casting, and an insertion hole through which the support shaft is inserted is formed on the lid body 20 side of the main piece 21a. A shaft holding portion 21b is provided. Further, a plurality of (three in FIG. 1) leg portions 21c projecting downward are provided side by side at equal intervals on the lower surface of the main piece 21a. Furthermore, stoppers 21d (only one side is shown in FIG. 1) are provided at the lower ends of the left and right leg portions 21c, 21c for restricting movement of the wire chip 21 in the opening direction.

  Here, each leg portion 21c has a first side that is horizontal when the wiring chip 21 is opened and a second side that is vertical when the wiring chip 21 is closed. It has a triangular shape. The central leg 21c includes a high current wire (for example, a power supply wire connected to a power outlet 31 described later) and a weak current wire (for example, a signal wire connected to a modular jack 41 described later). Also used as a partition wall. For example, both wires can be separated by wiring a high current wire on the right side of the central leg 21c and a weak current wire on the left side. Here, in the present embodiment, the shaft holding portion 21b and the support shaft held by the shaft holding portion 21b constitute a second shaft portion, and the wire chip 21 is covered by the second shaft portion. It is supported by the body 20 so that it can be opened and closed. In the present embodiment, both shaft portions are arranged so that the axial direction of the first shaft portion and the axial direction of the second shaft portion are orthogonal to each other.

  The top plate 5 is formed in a rectangular frame shape by using, for example, a metal material, and a rectangular opening portion 5 a communicating with the opening window 1 a of the frame portion 1 is provided in the center portion. Further, in the vicinity of the four corners of the opening 5a of the top plate 5, screw holes 5b into which the mounting screws 8 are screwed are provided, and screw insertion holes 5c through which the mounting screws 9 are inserted are provided.

  The packing 6 is, for example, a synthetic resin molded product, is formed in a rectangular frame shape having a rectangular opening 6 a in the center, and is disposed between the frame 1 and the top plate 5.

  The wiring device block 3 includes a power outlet (wiring device) 31, a mounting frame 32 to which the power outlet 31 is detachably attached, and a main piece 30e to which the mounting frame 32 is attached, and the shape in a side view is substantially L-shaped. The main part 30e of the attachment fitting 30 is provided with a rectangular opening 30a that exposes the functional surface of the power outlet 31. In addition, a pair of mounting pieces 30b and 30b projecting toward the inner side (storage space side) in the construction state is provided at the upper end edge of the main piece 30e of the mounting bracket 30. Each mounting piece 30b has a mounting screw 9 attached thereto. Are respectively provided with screw holes 30c. Furthermore, the lower end edge of the main piece 30e of the mounting bracket 30 is provided with a mounting piece 30d projecting inward in the construction state, and a screw insertion hole (see FIG. Not shown).

  The wiring device block 4 includes a plurality (three in FIG. 1) of modular jacks (wiring devices) 41 (for example, a modular jack for LAN and a modular jack for TEL) and a mounting frame to which these modular jacks 41 are detachably attached. 42 and a mounting bracket 40 having a main piece to which the mounting frame 42 is attached and having a side view bent in a substantially L shape. The main piece of the mounting bracket 40 includes a modular jack 41. A rectangular opening (not shown) that exposes the functional surface is provided. In addition, a pair of mounting pieces 40b and 40b projecting toward the inner side (storage space side) in the construction state are provided on the upper end edge of the main piece of the mounting bracket 40, and a mounting screw 9 is provided on each mounting piece 40b. Screw holes 40c to be screwed are provided. Furthermore, the lower end edge of the main piece of the mounting bracket 40 is provided with a mounting piece (not shown) that protrudes inward in the construction state, and a screw insertion hole through which the mounting screw 10 is inserted. Is provided.

  Here, the attachment pieces 30b and 40b are used for attaching the top plate 5 to the wiring fixture blocks 3 and 4, and the attachment piece 30d (the attachment piece of the attachment fitting 40 is not shown) attaches the cover 7 described later to the wiring appliance. Used to attach to blocks 3 and 4.

  The cover 7 is formed in a substantially U shape from a metal material, and corresponds to a screw insertion hole of a mounting piece 30d of each mounting bracket 30, 40 on the bottom surface of the cover 7 (the mounting piece of the mounting bracket 40 is not shown). The site is provided with a screw hole 7a (only one side is shown in FIG. 1) into which the mounting screw 10 is screwed. The cover 7 is used together with the mounting brackets 30 and 40 to partition the storage space for storing the electric wires from the lower space of the floor material 100. As a result, the space on the back surface side of the floor material 100 can be seen. There is an advantage that it becomes difficult and the appearance is improved.

  Next, the procedure for assembling the lid 2 will be described. After inserting a support shaft (not shown) into the insertion hole of the shaft holding portion 21b of the wire tip 21, the both ends of the support shaft are inserted into the bearing holes 20g provided in the lid main body 20, so that the wire tip is inserted. 21 is attached to the lid body 20, and the assembly of the lid 2 is completed. In addition, the rotation range of the wire chip 21 includes a position where the main piece 21a of the wire chip 21 abuts on the mounting piece 20e and a position where the stopper 21d of the wire chip 21 abuts on the back surface of the lid body 20. Is set in between.

  Next, the assembly procedure of the floor wiring device will be described. First, the wiring device block 3 is inserted under the floor through an opening (not shown) provided in the flooring 100 (see FIG. 3), and the wiring device block 3 is attached to the top plate 5 using the mounting screws 9. Install. Next, the wiring fixture block 4 is inserted under the floor in the same manner, and the wiring fixture block 4 is attached to the top plate 5 using the attachment screws 9. At this time, it arrange | positions so that the functional surface of the wiring device block 3 and the functional surface of the wiring device block 4 may oppose. Thereafter, the cover 7 is inserted under the floor in the same manner, and the cover 7 is attached to the wiring device blocks 3 and 4 using the attachment screws 10. As a result, the storage space for storing the electric wires is partitioned from the lower space of the flooring 100. Further, the frame portion 1 is fixed to the top plate 5 using the mounting screws 8 with the packing 6 disposed therebetween. Finally, after inserting a support shaft (not shown) through the insertion hole of the shaft holding portion 20b of the lid body 20, the both ends of the support shaft are inserted into the bearing holes 1d provided in the frame portion 1, The lid 2 is attached to the frame 1 and the assembly of the floor wiring device is completed (see FIG. 2). FIG. 2 shows a state in which the line chip 21 is opened.

  Furthermore, the operation of opening the wire chip 21 will be described with reference to FIGS. 3A and 4A show a state in which the wiring chip 21 is closed. At this time, the wiring chip 21 is in contact with the placement piece 20e of the lid body 20. FIG. When the opening / closing button 22 is slid in the opening direction from this state, the holding state by the holding means (not shown) connected to the opening / closing button 22 is released, and the plate disposed on the back side of the lid body 20 The lid body 20 is slightly opened by the spring reaction force of the spring 24 (see FIG. 1) (see FIG. 4B). Next, the lid main body 20 is moved in the opening direction (in the direction of arrow A in FIG. 4C) from the slightly opened state, and the wiring chip 21 is opened in the opening direction (with the lid main body 20 opened). It is moved in the direction of arrow B in FIG. At this time, the wire chip 21 can be opened only to a position where the stopper 21d contacts the lid body 20. Then, the lid main body 20 is moved in the closing direction (in the direction of arrow C in FIG. 4E) with the wiring chip 21 opened, and further the lid main body 20 against the spring reaction force of the leaf spring 24. Is moved in the closing direction (arrow D direction in FIG. 4F). As a result, the closed state of the lid main body 20 is held by the holding means, and the three leg portions 21c provided on the through-wire chip 21 are placed on the placement portion 1b of the frame portion 1. (See FIG. 3B and FIG. 4G). In addition, 23 in FIG.3 (b) is a bush for protecting the electric wire (not shown) wired under the floor through opening of the wiring chip | tip 21. FIG.

  Here, in the floor wiring device of the present embodiment, the leg portion 21c provided on the wiring chip 21 is formed in a triangular shape having the first and second sides, and the lid main body 20 is closed. In the state, since the second side hits the placement portion 1b, the wire chip 21 cannot be opened. Therefore, when opening the wiring chip 21, it is necessary to open the lid main body 20 first, and the procedure is as described above.

  Thus, according to the present embodiment, the leg portion 21c of the wiring tip 21 is placed on the placement portion 1b of the frame portion 1 in a state where the wiring tip 21 is opened. Compared with the case where the open state of the chip is held, the holding force of the wire chip 21 can be increased. As a result, for example, even when the wiring chip 21 is stepped on, the open state of the wiring chip 21 can be maintained, and a load can be prevented from being applied to the electric wire. Moreover, since it is only necessary to provide the mounting part 1b in the frame part 1 and provide the leg part 21c in the wiring chip 21, it is possible to realize a floor wiring member that prevents a load from being applied to the electric wire with a simple structure. it can.

  Furthermore, the shape of the leg portion 21c in a side view is a triangular shape having a first side that is horizontal when the wiring chip 21 is opened and a second side that is vertical when the wiring chip 21 is closed. Thus, when the wiring tip 21 is to be opened with the lid main body 20 closed, the second side hits the mounting portion 1b. Therefore, the wiring tip with the lid main body 20 closed. 21 can be prevented from being opened. In addition, since the first side is placed on the placement portion 1b in a state where the wire chip 21 is opened, the wire chip 21 can be held at a predetermined angle, and the wire chip 21 is opened. Since the protruding dimension in the state can be reduced, there is also an advantage that it is difficult to get in the way.

  In addition, according to the present embodiment, it is possible to separate the high current wire and the weak current wire by using the leg portion 21c as a partition wall, and it is not necessary to provide a partition wall separately from the leg portion 21c. You can go down. Furthermore, by using the above-described floor wiring member, it is possible to provide a floor wiring device that prevents a load from being applied to the electric wires connected to the wiring devices 31 and 41.

  Moreover, in this embodiment, as shown in FIG.4 (d), it provided in the axial direction of the 1st axial part (The axial holding | maintenance part 20b and a support shaft) provided in the cover part main body 20, and the wiring chip 21. As shown in FIG. The wiring chip 21 is provided in a portion adjacent to the first shaft portion in the lid body 20 so that the axial direction of the second shaft portion (the shaft holding portion 21b and the support shaft) is orthogonal. As a result, when the lid main body 20 is opened as in the case where the wiring tip 21 is provided at a site facing the first shaft portion, the lid main body 20 can be opened and closed without being accidentally opened. There is an advantage that it is easy to operate. In addition, by providing the wiring chip 21 at a portion adjacent to the first shaft portion in the lid main body 20, an opening / closing button of the lid main body 20 is disposed at a portion facing the first shaft portion as in the present embodiment. Space for arranging 22 can be secured. Further, as in the present embodiment, when the wiring chip 21 is arranged so as to face the wiring device 31 to which the high-current electric wire is connected, the electric wire passed through the opening of the wiring chip 21 is straight. Since it can be connected to the wiring device 31, for example, even a wire that is thick and difficult to bend, such as a high-current wire, can be easily constructed.

  In the present embodiment, the case where the number of leg portions 21c provided on the wiring chip 21 is three has been described as an example. However, for example, one, two, four or more may be used, and the present embodiment is limited to this embodiment. Not. Further, the shape of the leg portion 21c is not limited to the present embodiment, and any other shape can be used as long as the leg portion 21c is placed on the placement portion 1b of the frame portion 1 in a state where the wiring chip 21 is opened. Shape may be sufficient. Furthermore, in this embodiment, the wiring chip 21 is provided only on the other side adjacent to the one side where the first shaft portion is provided in the lid main body 20, but the other side adjacent to the one side is provided. The wiring chip 21 may be provided on both sides of the two sides.

DESCRIPTION OF SYMBOLS 1 Frame part 1a Opening window 1b Mounting part 2 Cover part 3, 4 Wiring tool block 20 Cover part main body 20c Wire hole 21 Wire chip 21c Leg part 31 Power outlet (wiring tool)
41 Modular jack (wiring equipment)

Claims (5)

  The frame unit has an opening window that exposes a wiring device arranged under the floor, and includes a frame unit that is attached to a flooring material, and a lid unit that is rotatably supported by the frame unit and closes the opening window. Has a mounting portion on the opening edge of the opening window on which a part of the lid portion is placed in a closed state, and the lid portion is provided with a through hole for passing an electric wire. A main body and a wire tip that is rotatably supported by the lid body and closes the wire hole, and at least a part of the wire chip is placed on the placement portion in the open state. A floor wiring member, characterized in that a leg portion is provided.   The leg portion has a triangular shape having a first side that is horizontal when the wiring chip is opened and a second side that is vertical when the wiring chip is closed. The floor wiring member according to claim 1, wherein the floor wiring member is formed.   The said wiring chip has the said some leg part, At least 1 is used as a partition which separates a high current electric wire and a weak current electric wire among the said some leg parts. Floor wiring member.   The lid main body has a rectangular shape, and is supported by the frame portion so as to be opened and closed by a first shaft provided on one side thereof, and the through hole is adjacent to the one side in the lid main body. A part of the other side is cut out, and the wiring tip is formed by the second shaft portion arranged so that the direction orthogonal to the axial direction of the first shaft portion is the axial direction. The wiring chip is supported by the main body so as to be opened and closed. The wiring chip can be opened and closed when the lid main body is opened. When the lid main body is closed while the wiring chip is opened, the wiring chip is opened. The floor wiring member according to any one of claims 1 to 3, wherein the leg portion of the floor portion is in contact with the placement portion of the frame portion to maintain the open state of the wiring chip. .   A floor wiring device comprising the floor wiring member according to any one of claims 1 to 4 and the wiring device.

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