JP2573457B2 - Outlet unit mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention forms a new floor at an appropriate interval on the floor of a building, and utilizes the space between the floor of the building and the newly formed floor. The present invention relates to a structure for fixing an outlet unit used in an indoor wiring system for performing indoor wiring on a free access floor.

[0002]

2. Description of the Related Art In an office building or the like, a new floor is formed at an appropriate interval on the floor of the building (hereinafter, referred to as a floor).
The floor newly formed in this way is called a free access floor), and indoor wiring is performed using the inside of the free access floor (that is, the space between the floor of the building and the floor of the free access floor). The indoor wiring system has been widely adopted.

In a conventional indoor wiring system of this type, a branch circuit branched from a main line by a distribution board and drawn into a free access floor is branched into a plurality of parts by using a branching device (hereinafter referred to as a joint box). It is laid out freely on the free access floor to supply power to outlets. However, in this type of indoor wiring system, for example, when a new branch circuit is provided, wiring between the distribution board and the distribution board is necessary. There is a need to do. For this reason,
When the distribution board and the OA equipment are separated from each other, there is a problem that the wiring work becomes difficult.

[0004] Therefore, the branch trunk branching off from the trunk line is drawn into the free access floor by a distribution board, freely wired in the free access floor by a joint box, and a breaker conventionally arranged in the distribution board is integrated with an outlet. There is an indoor wiring system in which an outlet unit is provided and the outlet unit is connected to a branch end of a trunk line by a joint box. According to this indoor wiring system, by adding an outlet unit and performing wiring from the joint box to the outlet unit, it is possible to cope with the addition of a branch circuit and to facilitate wiring work.

[0005]

BRIEF Problem to be Solved] The mounting structure of the raised floor of a conventional electrical outlet, as shown in FIG. 20, projecting screw portion retrieved from the lower surface of the outlet C _1, raised floor floorboards ho Insert the threaded portion bets in the mounting hole formed in, by screwing the fixing Nejichi from the lower surface side of the floor plate e, there is a method of attaching the outlet C ₁ directly to the floor plate e. In addition, the screw part G and the fixing screw H are penetrated, and are connected to the outlet main body through a cable (R) as shown in FIG.

According to this method, the power plug can be mounted only directly above the mounting hole, and the direction in which the power plug is inserted can be changed only in the circumferential direction of the screw portion. For this reason,
It is unsuitable for application to the above outlet unit.
This is because, for example, the position of the outlet unit cannot be delicately changed according to the position of the desk or partition.

[0007] In the conventional house wiring systems, in the case of strip-type electrical outlet C _2, pull the wire-passing Anal formed floorboard e in cable (e) raised floor (B), the cable ( The harness connector HC attached to the tip of e) is connected to the joint box B. Since outlet C ₂ has no suitable mounting structure, it had adopted a method of fixing by wood screws to Tsukuewa the OA equipment is installed. However, in this case, the foot may be hooked on the cable (e) wired on the floor surface, and this is not applied as the mounting structure of the outlet unit.

[0008] The present invention has been made in view of the above points, and the object thereof is that the wiring does not become an obstacle,
An object of the present invention is to provide an outlet unit mounting structure in which an outlet unit can be installed in a slightly different location.

[0009]

According to the first aspect of the present invention, in order to achieve the above object, a new floor surface is formed at an appropriate interval on the floor surface of a building, and the floor surface of the building is newly formed. It is an indoor wiring system that performs indoor wiring using the space between the formed floor and the branch main line branched from the main line with the distribution board, drawing in under the newly provided floor surface, A plurality of branching devices are used to freely wire between the floor of a building and a new floor, and at least a breaker connected to a branch end of the branching device and an outlet receiving power through the breaker are provided. In an indoor wiring system in which an integrated outlet unit is installed on a new floor, the fixed part that fixes the outlet unit and the mounting part that is screwed to the new floor or the floor of the building are integrated. Using the mounting plate Perform the installation of the outlet unit,
In both the front and back, a screw hole for screwing an outlet unit is provided in the fixing portion, and an insertion hole for a screw capable of finely adjusting a mounting position on a floor surface or a building floor is formed in the mounting portion. It is.

[0010] In order to be able to change the installation position of the outlet unit more widely, a fixing tool fixed to a new floor surface is provided, and a mounting plate is provided for this fixing tool. May be screw-fixed, and a plurality of screw holes may be formed in the fixture so that the screw fixing positions of the mounting plate are different.

[0011]

According to a first aspect of the present invention, an outlet unit is mounted by using a mounting plate integrally provided with a fixing portion for fixing the outlet unit and a mounting portion for fixing the outlet unit by screws to a new floor surface or a building floor surface. And a screw hole for screwing the outlet unit on both the front and back is provided in the fixing part, and a screw insertion hole for fine adjustment of the mounting position on the floor or the floor of the building is provided on the mounting part. The installation position of the outlet unit can be changed slightly depending on the fixing direction of the outlet unit to the fixing part and the insertion position of the screw insertion hole when attaching the mounting plate, and a new floor surface Alternatively, the outlet unit is fixed to the floor of the building, and the outlet for the branch trunk cable can be brought close to the outlet unit. To reduce that get in the way.

According to a second aspect of the present invention, there is provided a fixing device fixed to a new floor surface, and a fixing plate is screw-fixed to the fixing device, and a screw fixing position of the fixing plate at the fixing device is changed. In addition to changing the fixing direction of the outlet unit to the fixing part and the insertion position of the screw insertion hole when mounting the mounting plate, it is possible to change the fixing position of the mounting plate with respect to the fixture by forming a plurality of In addition, it is possible to change the construction position of the outlet unit over a wider range.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the outlet unit CU of this embodiment includes, for example, a breaker BR for 20A and a plurality of outlets C supplied through the breaker BR.
And a modular jack MJ for calling and information. Housing 1 of this outlet unit CU
Numeral 0 is formed in a rectangular parallelepiped shape, a through hole 11 is formed at four corners, and a concave portion 12 is formed at a lower portion to provide an interval with a floor surface.

As shown in FIG. 3, the outlet unit CU includes a box-like box 10a having an open back, and a back cover 10 attached to the back of the box 10a.
b and the housing 10 are formed. Box 10
On the front surface of a, three large-sized three module-size openings conforming to the JIS standard are formed, and a breaker BR, an outlet C, and a modular jack MJ are formed in each of the openings.
Is attached.

A general-purpose breaker BR is used, and is attached to the opening using a general-purpose mounting frame 50. In order to prevent the handle 51 of the breaker BR from being operated by mistake, a handle cover 52 covering the handle 51 is attached to the attachment frame 50 so as to be freely opened and closed. The handle cover 52 is partially or entirely made of a transparent resin so that the ON / OFF state of the breaker BR can be checked. Note that FIG.
2 shows a breaker BR to which is attached.

As the outlet C attached to the front of the outlet unit CU, 15A with contact terminals, 1
A 25V double outlet is used. The outlet C has a mounting frame portion 5 corresponding to a mounting frame used for mounting a built-in wiring device of a built-in type in the mounting box.
3 are integrally formed. The mounting frame 53 is partly cut away to make it smaller than a ready-made mounting frame. Note that FIG. 3C shows a state in which the power plug is inserted into the outlet C by a broken line.

The modular jack MJ is attached to the opening using a ready-made synthetic resin attachment frame 54. Here, since the modular jack MJ is formed to have one module size of a ready-made embedded wiring device, a blank chip 5 having one module size is provided between the modular jacks MJ.
5 is inserted so that there is no gap between the modular jacks MJ. The attachment of the modular jack MJ to the attachment frame 54 is performed by one-touch in the same manner as in a ready-made embedded wiring device.

Around the mounting portion of the modular jack MJ of the box 10a, a partition 10c and an insulating separator 56 are used to insulate the power supply portion. The insulating separator 56 is used so that the modular jack MJ can be easily mounted. Branch trunk cable CA
The outlet unit C is inserted through notches 57, 58 formed on the back side of the box 10a or the back cover 10b.
It is drawn into U. Here, the outlet unit CU
The notches 57, 58 are formed so that they can be pulled out in three directions, laterally, dorsally and downwardly, according to the mounting method described above. Since the cable CA is connected to the screw-type input terminal of the breaker BR, the cable CA is fixed to the box 10a using the tension stopper 59, and even if the cable CA is pulled, the cable CA is connected to the input terminal of the breaker BR. No force is applied.

In the outlet unit CU shown in FIG. 3, an outlet C 'is also provided on the side surface. As the outlet C ′, a plug having a retaining structure that is retained when a power plug is inserted and rotated by a predetermined angle is used. The outlet C 'is attached to the box 10a using a rigid holding plate 60. It is not necessary to provide the outlet C ', and the outlet C' is not provided in FIG.

In this embodiment, the outlet unit C
U is mounted using the mounting plate E. The mounting plate E is formed by bending a metal (for example, stainless steel) that does not easily deform during normal use into an L shape. This mounting plate fixed piece e ₁ of E, a screw hole 13 formed at four positions, are so vertically piece e ₁ fixes the socket unit CU using a fixing screw 14. Here, above the lower screw hole 13, there is formed a wire section 14 for passing the cable CA drawn into the outlet unit CU.

Further, even the central portion of the mounting piece e ₂ of the mounting plate E, as shown in FIG. 2 (a), outlet unit CU
There is formed a wire section 15 for passing a cable drawn into the cable. Here, the reason why the plurality of wire portions 15 are provided on the mounting plate E is that the outlet unit CU of the present embodiment can change the drawing direction of the cable CA according to the construction state. is there. The wire-passing portion 15 is formed by cutting from the front end portion of the mounting piece e ₂ in an L-shape. L-shaped insertion holes 16 are formed on both sides of the wire section 15.

A method of attaching the outlet unit CU to the floor plate e of the free access floor (b) by using the attachment plate E will be described. In this case, a through hole 18 for a mounting bolt 17 is opened in the floor plate E, the mounting bolt 17 is passed through the insertion hole 16 and the through hole 18, and a washer 19 is formed on the lower surface side of the floor plate E.
, And the mounting plate E is fixed to the floor plate E by tightening to the nut 20. Then, the fixing piece e ₁ of the mounting plate E
Then, the fixing screw 14 is tightened through the through hole 11 of the outlet unit CU in the screw hole 13 of the outlet unit CU to fix the outlet unit CU to the mounting plate E.

Here, (a) to (b) in FIG.
As shown in (f), the tightening position of the mounting bolt 17 in the insertion hole 16 is adjusted, and the outlet unit CU is adjusted.
The by or to any of the front and back surfaces of the fixing pieces e ₁ of the mounting plate E, are as can be finely adjusted mounting position of the outlet unit CU. In this way, the outlet unit CU can be installed in close contact with a desk, a partition, or the like.

FIG. 5 shows an installation state of the outlet unit CU according to the above-described method. The cable CA from the joint box B is connected to the outlet unit CU through a through hole 21 formed in the floor plate e and fitted with a bushing 22. It is. In addition, the signal line L for call and information
Is also sent to the outlet unit CU through the communication hole 21. In addition, if the floor hole E with the through hole 21 used in this kind of free access floor (b) is used, the floor hole E can be omitted.

As shown in FIG. 5 (c), the outlet unit CU may be directly fixed to the floor using the through hole 11. The mounting plate E is a method of fixing the floor plate E by opening the power supply hole 21 therein. However, the notch 25 for the wiring shown in FIG. 6A used for this type of free access floor (b), A cut-out portion 25 'for an outlet (so-called inner outlet) on the embedded side under the floor shown in b) and a round hole 25 "for an outlet (so-called up outlet) exposed on the floor shown in FIG. It is also possible to fix the mounting plate E. In this case, the mounting plate E is fixed using the clamp F.

The clip F has a cutout portion 29 for passing a cable CA through the center thereof, and screw holes 30 on both sides of the cutout portion 29. Further, a double-sided tape portion 31 is provided so as to surround the cutout portion 29 and the screw hole 30. This pinching fixed with fitting F is a first scissors fitting F temporarily fixed to the lower surface of the floor plate E double-sided tape, the mounting piece e ₂ which is placed on the upper surface of the floor plate ho mounting bolts 17, sandwiching the fitting F This is performed by tightening the screw holes 30. In this case, as shown in FIG. 7, scissors fitting F and the mounting piece e ₂
The mounting plate E is fixed to the floor plate E by sandwiching the floor plate E with. In this case, the processing of the floor plate e becomes unnecessary.

Further, in the above case, the mounting plate E is attached to the floor plate E.
Has been described, but the mounting plate E may be fixed to the floor of the building. Mounting plate E in this case, as shown in FIG. 8, a longer vertical length of the fixed piece e _1, narrowed the width of the lower, fixed piece e the mounting piece e ₂
It is formed in the same size as the narrow part of ₁ . Here, since it is not possible to pass a cable through CA to the mounting plate mounting piece e ₂ In e, wire-passing portion 15 is not formed.

In this case, the mounting plate E is fixed to the floor of the building.
Is concrete in the prepared hole 23 drilled on the floor
Bolts 24 may be tightened. Where fixed
Piece e ₁The width of the narrow portion is defined by the width of the square-shaped
If it is formed smaller, the processing of the floor plate e becomes unnecessary.
FIG. 6 shows the installation state of the outlet unit CU according to the above method.
State. The cable CA and the signal line L are attached to the mounting plate E.
It is sufficient to pull in through the insertion portion of the floor board e.
FIG. 9 shows a construction state by the above method.

When the height of the raised floor of the free access floor (b) is to be adjusted, as shown in FIG.
The mounting plate E is divided into upper and lower portions, and a plurality of height adjusting holes 27 are formed in two rows vertically in each of the divided pieces e ₃ and e ₄ , and the fixing screw 26 is screwed into any one of the height adjusting holes 27. Depending on whether or not they match, the difference in the raised floor height of the free access floor (b) may be taken into account.

In the above-described method using the clamp F, it was necessary to temporarily fix the clamp F on the lower surface side of the floor plate E. However, by using the fixture G shown in FIG. It is also possible to fix the mounting plate E only from the side. The fixture G includes a rectangular upper plate portion 32 having a diagonal length greater than at least the diameter of the hole of the floor plate E, and two leg portions 33 having a U-shaped cross section from the upper plate portion 32.
Are vertically installed, and a clip piece 34 is attached to the leg 33 with a screw 35.

The upper plate portion 32 has a structure in which the center is circularly recessed and the center portion thereof is penetrated so that the cable CA can be inserted.
Is fitted. Screws 35 are attached to the non-penetrating portions on both sides of the concave portion 36. The screw 35 simply rotates and does not screw into any part. A plurality of screw holes 39 are formed on the periphery of the concave portion in accordance with the pitch of the insertion holes 16 of the mounting plate E.

Each leg 33 has an opening facing outward, and a bottom piece 33a is provided at the lower end of the leg piece 33. As shown in FIG. 10, a pinch piece 3 is provided between the bottom piece 33a and one side piece 33b.
A gap for accommodating 4 is formed. Note that the opening width of the leg piece 33 is slightly larger than the width of the sandwiching piece 34. The sandwiching piece 34 is formed in a U-shape having a sectional shape opening upward,
The upper surfaces of both side pieces are formed in a sawtooth shape.

As shown in FIG. 11, the mounting member G is housed in a hole formed in the floor plate E such that the sandwiching piece 34 is sandwiched between the bottom piece 33a of the leg piece 33 and one side piece 33b. . When the screw 35 is rotated, the pinch piece 34 rotates to a position where the pinch piece 34 contacts the other side piece 33b of the leg piece 33 (FIG. 13). When the screw 35 is further rotated in this state, the pinch piece 34 moves upward. I do. Finally, the floor plate E is sandwiched between the sandwiching piece 34 and the upper plate portion 32, and the fixture G is fixed to the floor plate E.

When the mounting plate E is fixed to the mounting member G mounted on the floor plate E with the mounting bolts 17, the mounting plate E can be fixed to the floor plate E in the same manner as in the case where the clamp F is used. FIG.
6 shows a construction state using the mounting fixture G. Here, depending on which of the screw holes 39 of the mounting fixture G the fixing bolt 17 is fixed to, the mounting position of the outlet unit CU can be adjusted in various states as shown in FIG. In the above description, the attachment to the circular hole has been described as an example. However, the attachment to a square hole or a notch can be similarly performed.

Further, the fixture H shown in FIG. 17 can be used. The structure of the upper part of the fixture H is the same as that of the fixture G, and a cylindrical screw part 41 having a thread formed on the peripheral surface thereof is formed so as to be continuous with the concave part 36, and is provided downward. A fixing screw 42 is screwed to the screw portion 41.
The fixing screw 42 is cylindrical and has a flange 42a
Is formed, and a thread groove is formed on the inner peripheral surface.

The mounting member H is fixed by inserting the screw portion 41 into a circular hole formed in the floor plate E and screwing a fixing screw 42 from the lower surface side of the floor plate E to sandwich the floor plate E. . The construction state is shown in FIG. 19. The mounting plate H of the mounting fixture H can be mounted to the outlet mounting hole described with reference to FIG. 20. And
The attachment of the outlet unit CU to the fixture H is performed as shown in FIG.

[0037]

According to the first aspect of the present invention, as described above, a new floor surface is formed at an appropriate interval on the floor surface of a building, and a space between the floor surface of the building and the newly formed floor surface is formed. This is an indoor wiring system that performs indoor wiring using the space of the building, pulling the branch trunk branched from the main with a distribution board under the newly provided floor, and using multiple branching devices And a new floor surface, a new breaker connected to the branch end of the branching device, and a new outlet unit integrally provided with an outlet receiving power through the breaker. In an indoor wiring system installed on a natural floor, a fixing part for fixing the outlet unit,
Attach the outlet unit using a mounting plate that is integrally provided with a new floor or a mounting part that is fixed by screwing to the floor of the building, and screw holes that can screw the outlet unit to both front and back In addition to being provided in the fixing portion, the screw insertion hole that can finely adjust the mounting position on the floor or the floor of the building is formed in the mounting portion. Therefore, the fixing direction of the outlet unit to the fixing portion and the mounting plate The installation position of the outlet unit can be changed slightly depending on the insertion position of the screw insertion hole when installing the unit, and the outlet unit is fixed to the new floor or the floor of the building. And the outlet unit can be brought closer to each other, and the wiring can be less hindered.

Further, as described above, the invention of claim 2 is provided with a fixture fixed to a new floor surface, a fixing plate is fixed to the fixing tool with a screw, and the fixing plate is fixed to the fixing tool with a screw. Since a plurality of screw holes for different positions are formed, in addition to changing the fixing direction to the fixing part of the outlet unit and the insertion position of the screw insertion hole when attaching the mounting plate,
The fixing position of the mounting plate with respect to the fixture can be changed,
Furthermore, the construction position of the outlet unit can be changed over a wide range.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a configuration for attaching an outlet unit according to an embodiment of the present invention to a floor panel.

FIGS. 2A and 2B are a plan view of a mounting plate and an explanatory diagram of a method of finely adjusting a mounting position.

FIGS. 3A to 3D are a front cross-sectional view, a side cross-sectional view, a plan cross-sectional view, and a plan cross-sectional view at different breaking positions showing the mounting structure of each configuration of the outlet unit.

FIGS. 4A to 4C are a plan view, a side view, and a bottom view showing a state where a mounting frame is mounted on a breaker.

FIGS. 5A to 5C are a front view, a side view, and a front view showing a mounting state of an outlet unit using a mounting plate, and a case where the outlet unit is directly mounted on a floor without using a mounting plate. It is.

FIGS. 6 (a) to 6 (c) are explanatory views showing a structure in which a mounting plate is fixed to a floor plate in which a cutout, a square hole and a round hole are respectively formed by another method.

FIG. 7 is an explanatory view showing a state in which the outlet unit is attached by the same fixing method as in the above.

FIG. 8 is a perspective view showing an attachment plate attached to a floor of a building.

FIGS. 9A and 9B are a front view and a side view showing a mounting state of the outlet unit using the mounting plate of the above.

FIG. 10 is an exploded perspective view showing a mounting plate corresponding to the height of the raised floor of the free access floor.

FIG. 11 is a perspective view showing an attachment for attaching the attachment plate to the floor.

FIGS. 12A to 12D are a plan view, a side view, a front view, and a bottom view showing the structure of the main body of the mounting tool of the above.

FIG. 13 is an explanatory diagram of a method of mounting the mounting tool on the floor surface.

FIG. 14 is an explanatory view of a method of fixing the mounting plate to the mounting tool of the above.

FIGS. 15A and 15B are explanatory views showing a main structure for mounting the mounting tool and the mounting plate, and a method for finely adjusting the installation position of the outlet unit using the mounting tool. It is.

FIGS. 16 (a) and (b) are a front view and a side view showing a mounting state of the outlet unit using the mounting tool of the above.

FIG. 17 is a perspective view showing another attachment for attaching the attachment plate to the floor.

FIGS. 18 (a) to (d) are a plan view, a side view, a front view, and a bottom view showing the structure of the main body of the mounting fixture of the above.

FIGS. 19 (a) and (b) are a front view and a side view showing a mounting state of the outlet unit using the above-mentioned mounting tool.

FIG. 20 is an explanatory view of a conventional mounting structure of an outlet on a floor plate.

FIG. 21 is a cross-sectional view showing an attachment state of the above.

FIG. 22 is an explanatory view of a conventional mounting method of another outlet.

[Explanation of symbols]

CU socket unit E, E 'mounting plate e ₁ fixed piece e ₂ mounting piece G, H fixture 14 fixing screws 13 screw hole 16 through hole 17 mounting bolt ho floorboards

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Osamu Yamada, Inventor 1048, Kadoma, Kadoma, Osaka Prefecture Inside Matsushita Electric Works, Ltd. In-house (72) Inventor Hideo Nakagawa 1-1-6 Uchisaiwai-cho, Chiyoda-ku, Tokyo Nippon Telegraph and Telephone Corporation (72) Public service of the inventor 1-6-1, Uchisaiwaicho, Chiyoda-ku, Tokyo (72) Inventor Hirohito Ito 1-6-1, Uchisaiwai-cho, Chiyoda-ku, Tokyo Nippon Telegraph and Telephone Corporation (56) References Shokai Sho 62-114479 (JP, U) Shoko Sho 59-11460 (JP, Y2)

Claims (2)

(57) [Claims] 1. An indoor space in which a new floor surface is formed at appropriate intervals on the floor surface of a building, and indoor wiring is performed using a space between the floor surface of the building and the newly formed floor surface. A wiring system in which a branch trunk that is branched from a trunk with a distribution board is drawn under the newly provided floor, and a plurality of branching devices are used to connect between the building floor and the new floor. In an indoor wiring system in which an outlet unit at least integrally provided with a breaker connected to a branch end of the branching device and an outlet supplied with power through the breaker is provided on a new floor surface. Attach the outlet unit using a mounting plate that integrally includes a fixing part that fixes the outlet unit and a mounting part that is screwed to the new floor or the floor of the building. You A screw hole capable of screwing a knit is provided in the fixing portion, and an insertion hole for a screw capable of finely adjusting a mounting position on a floor or a floor of a building is formed in the mounting portion. Outlet unit mounting structure. 2. A fixture which is fixed to a new floor surface,
2. The mounting structure for an outlet unit according to claim 1, wherein the mounting plate is screw-fixed to the fixing device, and the fixing device is formed with a plurality of screw holes for changing the screw fixing positions of the mounting plate.