JP2000197248A - Wiring equipment set upright on floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To give a robust structure by forming, in a column, a long vertical space to pass cords through and a carry-in and-out space which is opened sideways toward a duct unit and fixing a wiring duct to the column by its upper and lower end parts. SOLUTION: A duct unit 2 is fixed by its upper and lower parts firmly to a column 1 with metal fittings 22, 47, so the duct unit 2 never be shaky due to vibration, etc., or it never swings back and forth as a whole when a cover plate 33 of a wiring duct 3 is opened or closed. In other words, the entire wiring equipment has a robust structure. If the wiring duct 3 is mounted on a laterally long frame 4 using a suspension bar 38, the duct unit 2 with the upper and lower wiring ducts can be connected to the frame 4 easily. Moreover, as the frame 4 and the wiring duct 3 in the lower stage are fixed to the column 1, there is not shaking or swinging and the entire equipment has a robust structure.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring apparatus which is installed indoors in a state like a partition.

[0002]

2. Description of the Related Art In recent years, O
With the development of A, offices are being laid with cords (cables, wires, etc.) for power supply and communication, so that they can be processed beautifully and wiring can be changed flexibly. Is required. Conventionally, in this regard, a wiring box or a wiring duct is provided on the back of the desk, a cord insertion space is formed in a partition of a partition or a baseboard, or an arrangement passage is formed in a cabinet. As mentioned above, this is dealt with by providing wiring passages in part of the office furniture.

[0003] However, in such conventional measures,
Since the storage of cords is only a secondary function, there is a tendency that it is not possible to secure a sufficient amount of cords, and because the drawer position of the cords is limited, it is necessary to change the layout of desks etc. There is a problem that it is difficult to flexibly cope with an increase in the number of OA devices or a change in the installation location. In this regard, the applicant of the present application has filed Japanese Patent Application Nos. 10-29214 and 10-29214.
No. 245467 has proposed a wiring device having a structure in which a gutter-like wiring duct is mounted between hollow columns erected on the left and right. These prior inventions are devices dedicated to wiring or mainly for wiring. Since a large amount of cords can be stored in the wiring duct and the cords can be pulled out from an arbitrary portion of the wiring duct, the conventional problem is solved. Can be eliminated.

The object of the present invention is to further develop these prior applications to provide a robust structure.

[0005]

According to the present invention, there is provided a wiring device comprising:
A duct unit provided with at least one wiring duct having an upward opening gutter shape extending horizontally, and two right and left columns erected on both right and left sides of the duct unit;
A vertically long space in which cords can be inserted into the support,
An access space that opens laterally toward the duct unit is formed, and the wiring duct is fixed to a column at both upper and lower ends.

According to the second aspect of the present invention, the duct unit includes a plurality of wiring ducts arranged at appropriate intervals vertically and a horizontally elongated frame arranged above the uppermost wiring duct. By fixing the hanging rod penetrating from the vertical direction to each wiring duct to the horizontally long frame, each wiring duct is suspended and supported via the horizontally long frame, and furthermore, at the left and right ends of the horizontally long frame, and at the bottom The lower surfaces of the left and right ends of the located wiring duct are fixed to the left and right supports, respectively.

Further, in the invention of claim 3, caps made of synthetic resin for protection and reinforcement are attached to both ends of the wiring duct, and in the invention of claim 4, the wiring duct is fastened by binding. It is fixed to the support with a bracket. For the wiring duct, it is possible to use grooved steel such as a channel material, but from the viewpoint of easy design and easy installation of the cover, it is manufactured by extruding (extruding) using light metal or synthetic resin as a material. Is preferred.

[0008]

According to this structure, a large amount of cords can be stored in the wiring duct and the column and the cords can be pulled out from an arbitrary portion of the wiring duct, similarly to the prior invention. The cords in the office or the like can be processed beautifully, and the wiring work can be easily performed when adding OA equipment or changing the installation location.

Further, since the duct unit is fixed to the column at the upper and lower portions thereof, the duct unit has a strong structure as a whole, and the rattling of the duct unit can be eliminated. With this configuration, a duct unit having a plurality of wiring ducts can be easily formed, and the duct unit is fixed to the support at a position above and below the wiring passage. Therefore, the duct unit can be fixed to the column without impairing the ease of wiring between the duct unit and the column.

Further, according to the structure of the third aspect, since the caps are attached to the left and right ends of the wiring duct, even if the wiring duct is thin and wide, its rigidity can be improved. In the case of the third aspect, a gap may be provided between the cap and the support, or the gap may be closely attached. If you leave a gap between the cap and the support,
There are advantages that the cover can be easily attached to and detached from the support, cords can be passed through the gap, and manufacturing errors and assembly errors of the members can be absorbed. On the other hand, when the cap is kept in close contact with the support, the fixing strength between the support and the duct unit can be improved.

[0011]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing the entire wiring device.
(A) is a front view of one example, (B) is a front view of another example, and (C) is a plan view common to (A) and (B). (A)
The wiring device shown in FIG.
And a duct unit 2 mounted between the two. The duct unit 2 includes two upper and lower (or one or more than three) wiring ducts 3 and a horizontally long frame 4 positioned at the top. I have.

On the other hand, in the wiring device shown in FIG. 1B, a transparent plate such as glass (or another panel) may be attached to the upper and lower sides of the duct unit 2 and a horizontally long transparent plate 5 for fixing the transparent plate 5 such as glass. A window frame member 6 is provided. The wiring device is generally used in combination with the desk 7. The desk 7 may be completely different from the wiring device, but may be simply installed. However, from the viewpoint of cost reduction, it is preferable to adopt a structure in which the top plate is mounted by using the column 1.

(C) is a plan view common to (A) and (B). As described above, the wiring unit including the pair of columns 1 and the duct unit 2 can be freely connected. When the wiring unit is cross-shaped or T-shaped in plan view,
By arranging them in a non-linear shape such as a letter, the whole is self-supporting. Hereinafter, it will be described in detail with reference to the drawings in FIG.

First, the column 1 and the horizontally long frame 4 will be described mainly with reference to FIGS. FIG. 2 is a partially cutaway front view, FIG. 3 is a view mainly for explaining a support, (A) is a sectional view, (B) is a sectional view taken along the line BB of (A),
(C) is a cross-sectional view as viewed in CC of (A), and (D) is a cross-sectional view as viewed in DD of (A). 4 is a plan view taken along line IV-IV of FIG. 3 (A), FIG. 5 is a sectional view taken along line VV of FIG. 3 (A), and FIG. 6 is a sectional view taken along line VI-VI of FIG.

The column 1 includes a hollow square core member 8 extending vertically and a base member 9 fitted on the core member 8. For example, as shown in FIG. To the core material 8. The base material 9 of the support 1 is provided with a side plate 9 a extending in a cross shape in a plan view, and therefore, four code wiring spaces 11 are formed in the base material 9. A dovetail groove 12 into which a flat plate can be inserted is formed near the base of each side plate 9a. An engagement portion 13 having a substantially V-shaped cross section is formed at the end of each side plate 9a, and a dovetail groove 14 is formed at the end edge of the engagement groove 13. A cover 15 made of a synthetic resin or light metal is attached to the adjacent engaging portion 14 so that each wiring space 1
1 is individually closed. Needless to say, the cover 15
Can be attached to and detached from the engagement portion 13 from the horizontal direction against its elasticity.

The base material 9 of the column 1 extends to the upper end of the wiring duct 3 located at the lower stage. A substantially cross-shaped upper cap 16 is attached to the upper end of the base material 9 in plan view.
The upper cap 16 fits exactly on the upper end of the engaging portion 13. An intermediate cover 17 for loosening the cords C and improving the beauty is rotatably fitted on the upper part of the core material 8 in the support column 1. Intermediate cover 17
Are provided with narrow blades 17a extending in a cross shape in a plan view, and a tip of each blade 17a has an enclosing wall 17 having an arc shape in a plan view.
b is connected integrally. Needless to say, enclosure wall 1
On the upper, lower, left and right sides of 7b, there are vacant spaces through which the cords C can be freely inserted between the wiring duct 3 and the inside of the column 1.

At the upper end of the core member 8 of the support column 1, a bottomed cylindrical top support 19 is fitted. The top support 19 is supported by claws 20 cut and raised in the core material 8, and is fixed to the core material 8 by welding or the like. As shown in FIG. 4, the top support 19 has four screw holes 21 at equal intervals along the circumferential direction. At the lower end of the horizontally long frame 4 of the duct unit 2, a top fitting (bracket) 22 fitted to the inner bottom surface of the top support 19 is attached. 19 fixed.

The horizontal frame 4 is, as shown in FIG.
It is formed in a substantially mushroom-shaped cross section, and has a rectangular hollow portion 4a at the lower end.
Is provided. Then, the main body 22 a of the top fitting 22 is inserted into the hollow portion of the horizontally long frame 4, and is fixed with the screw 24. The top fitting 22 has a structure in which a metal plate tip 22b is welded to a square-shaped main body 22a, and the tip 22a of the top fitting 22 has a bottom surface, an inner peripheral surface, and an outer peripheral surface of the top support 19. And is formed to fit
The distal end 19b of the top fitting 22 is tapered at an angle of approximately 45 ° so that the top fitting 22 can be fixed to the top support 19 and the duct unit 2 can be installed in a cross shape.

The number of screw holes 21 in the top support 19 is not limited to four, but may be, for example, eight or twelve, so that the plane attitude of the duct unit 2 can be changed little by little. May be. As shown in FIGS. 3A and 4, an end cap 25 made of a synthetic resin is attached to an end of the horizontally long frame 4.

A top cover 26 having a circular shape in a plan view is attached to the upper end of the core member 8 of the column 1. A circular projection 27 protrudes from the lower surface of the top cover 26, and the projection 27 is inserted into the core 8. Therefore, the top cover is rotatable and can be easily removed. 2 and 6
As shown in the figure, the support 1 is a base bracket (stabilizing plate) 2
8 is fixed to the floor F. The base bracket 28 is formed in an L shape, and its vertical portion 28a is
Are fixed to the nut plate 29 inserted in the dovetail groove 12 of the base material 9 by screws 30. The vertical portion 28a has a U-shaped cross section for reinforcement. The base bracket 28 is fixed to the floor F with an anchor 31.

Next, the duct unit 2 will be described with reference to FIGS. 7 is a partial cross-sectional view of the wiring duct 3, FIG. 8 is a cross-sectional view taken along line VIII-VIII of FIG. 2, FIG. 9 is a separated plan view of the wiring duct 3, the side cap 32, and the column 1, and FIG. 11 is a bottom view taken along the line II-II, FIG. 11 is an enlarged view of a main part of FIG. 2, and FIG. 12 is a sectional view taken along the line XII-XII of FIGS.

Each wiring duct 3 is manufactured by extruding a light metal such as aluminum or an aluminum alloy or by extruding a synthetic resin, and is formed in a gutter shape having an upward opening as shown in FIG. A lid plate 33 is attached to the upper and lower edges of the wiring duct 3 so as to be openable and closable, and details thereof are shown in FIG. That is, a guide portion 34 having an arc-shaped cross section extending inward is provided integrally with the upper end edge of the wiring duct 3, and the shaft portion 35 is projected outward from the guide portion 34, while the guide plate 34 At the lower edge, an arc-shaped covering guide portion 36 fitted to the guide portion 34 of the wiring duct 3 and a concave portion 36a fitted to the shaft center portion 35 are formed. It can be freely opened and closed from the closed position shown in (A) to the open position shown in FIG.

When the cover plate 33 is provided, the cover plate 33 may be mounted to be openable and closable by another structure, for example, via a hinge. A dovetail groove 37 is formed at the lower end of each wiring duct 3. In addition, hanging rods (communication rods) 38 each having a flange at the lower end are inserted from below into the right and left ends of the upper and lower wiring ducts 3, and the hanging rods 38 are inserted into the ends of the horizontally long frame 4. Body part 22a of the top fitting 22
Screwed into. The suspension rod 38 is fitted with a sleeve 39 for a spacer.

The hanging rod 38 may be directly screwed into the horizontally long frame 4, or the hanging rod 38 may be screwed into a nut inserted into the upward opening groove 4 b of the horizontally long frame 4. As shown in FIG. 8, the transparent plate 5 is attached via the protective frame 40 inserted into the upward opening groove 4a of the horizontally long frame 4, and the dovetail groove 37 of the wiring duct 3 located at the lower stage.
The upper end of the transparent plate 5 is fixed using the holding body 41 inserted in the transparent plate 5. In FIG. 2, the transparent plate 5 is not provided.
Although not strictly matched with FIG. 8, FIG. 8 shows a state where the transparent plate 5 is attached for convenience of explanation. Therefore, when the transparent plate 5 is attached as shown in FIG. Is
The structure is as shown in FIG. FIG. 5 also shows a state where the transparent plate 5 is attached for convenience.

Note that, instead of the transparent plate 5, a translucent or opaque plate may be attached. A hook-shaped locking ridge 42 is formed on the front and rear inner surfaces of the wiring duct 3, and a plate (not shown) attached to one surface of the wiring duct 3 using the locking ridge 42. The outlet 43 is attached. As shown in FIG. 6 and FIG. 3 (A), the outlet 43 can be mounted at an arbitrary height position inside the base material 9 of the support column 1 via a bracket (not shown).

At both ends of the wiring duct 3, side caps 32 made of synthetic resin (this is the cap described in the claims) are attached. This side cap 32 is shown in FIG.
As shown in FIGS. 1 and 12, it is formed in a shape opening upward, and the inner surface thereof has
An inward projection 44 that fits into the wiring duct 3 is formed, and an engaging claw 45 provided at a lower end of the inward projection 44 is fitted into an engaging hole 46 provided in a lower surface plate of the wiring duct 3. The cap 32 is attached to the wiring duct 3 by matching.

As shown in FIG. 12, the inner projection 44 is fitted inside the locking projection 42 of the wiring duct 3. Further, as shown in FIG. 9, the cap 32 is formed in a concave shape toward the column 1 in plan view. Further, a lower end of the inward projection 44 of the cap 32 is connected to an extension 44a having a U-shaped opening with a downward cross section.

A lower bracket 47 for fixing the wiring duct 3 to the column 1 is fixed to the lower surface of both ends of the wiring duct 3 located at the lower stage with screws 48. One end portion 47a of the lower metal fitting 47 is formed in an arc shape in plan view so as to overlap with one cover 15 of the column 1, and the one end portion 4a is formed.
On both ends of 7a, a claw 49 is formed which fits in the dovetail groove 14 formed in the engaging portion 13 of the base material 9 in the column 1, while the other end 47b is fitted in the dovetail groove 37 of the wiring duct 3. The other end 47b is fixed to the wiring duct 3 with the screw 48 as described above.

A screw 48 for fixing the lower bracket 47
Is covered with an extension 44 a provided on the inward projection 44 of the cap 32, which can prevent the cords C from being damaged by the screw 48. As can be easily understood from FIG. 11, there is a gap between the cap 32 and the column 1. This is to allow the cover 15 to be attached and detached, but the gap may be set to an interval through which the cords C can be inserted. Conversely, the cap 32 may be in close contact with the outer surface of the column 1.

As described above, since the duct unit 2 is fixed to the column 1 by the metal fittings 22 and 47 on the upper and lower sides, the duct unit 2 is loosened by vibration or the like, and when the cover plate 33 of the wiring duct 3 is opened and closed. The unit 2 does not touch the back and forth as a whole, and is firmly fixed to the column 1. That is, the wiring device has a sturdy structure as a whole.

When the wiring duct 3 is attached to the horizontally long frame 4 via the hanging rod 38 as in the embodiment, the connection between the horizontally long frame 4 and the upper and lower duct units 2 is extremely easy, and the left and right sides of the wiring duct 3 Is open so that the wiring work can be performed extremely easily. In addition, since the horizontal frame 4 and the lower wiring duct 3 are fixed to the column 1, there is no backlash or touch, and the whole is sturdy. There is an advantage in the structure.

Further, the lower bracket 47 may be fixed to the column 1 with a screw. However, if the lower bracket 47 is hooked on the dovetail groove 14 provided on the outer surface of the column 1 as in the embodiment, the work is easy and arbitrary. There is the advantage that it can be fixed at height. The embodiments of the present invention have been described above, but it goes without saying that the present invention can be embodied in various forms. For example,
The cross-sectional shapes of the columns and wiring ducts can be freely set as necessary, and the number of wiring ducts can be set arbitrarily.

Further, a member may be attached in addition to the wiring duct. Furthermore, when the vertical height of the duct unit is high, the duct unit may be fixed not only at the upper and lower ends but also at the middle part in the vertical direction. Further, the fixing means is not limited to using a screw-type fitting, but may be a hook or a clip. Further, the wiring duct may be of a split type.

[Brief description of the drawings]

1 (A) and 1 (B) are schematic front views of a wiring device, and FIG. 1 (C) is a plan view.

FIG. 2 is a partially cutaway front view of an end of the wiring device.

FIG. 3 (A) is a cross-sectional view of a column and a horizontally elongated frame,
(B) is a sectional view taken along the line BB of (A), (C) is a sectional view taken along the line CC of (A), and (D) is a sectional view taken along the line DD of (A).

FIG. 4 is a plan view taken along the line IV-IV in FIG.

FIG. 5 is a sectional view taken along line VV of FIG.

FIG. 6 is a sectional view taken along line VI-VI of FIG. 2;

FIG. 7 is a partial sectional view of a wiring duct.

FIG. 8 is a sectional view taken along line VIII-VIII of FIG.

FIG. 9 is an isolated plan view of a wiring duct, a cap, and a support.

FIG. 10 is a bottom view taken along line II-II of FIG. 2.

FIG. 11 is an enlarged view of a main part of FIG. 2.

FIG. 12 is a sectional view taken along the line XII-XII of FIGS. 2 and 11.

[Explanation of symbols]

 Reference Signs List 1 support 2 duct unit 3 wiring duct 7 desk 8 core material 9 base material 11 wiring space for cords 15 cover 17 intermediate cover 19 ceiling support 22 ceiling fitting 32 side cap 33 wiring duct cover 39 hanging rod 47 lower fitting

Claims (4)

[Claims] 1. A duct unit having at least one wiring duct extending upward and having a horizontally open gutter shape, and two right and left columns erected on both right and left sides of the duct unit. In addition, an upper and lower longitudinal wiring space through which cords can be inserted, and an insertion / removal space opened laterally toward the duct unit are formed, and the wiring duct is fixed to a column at both upper and lower ends. Floor-standing wiring device. 2. The duct unit comprises: a plurality of wiring ducts arranged at appropriate intervals above and below; and a horizontally long frame arranged above an uppermost wiring duct.
By fixing a hanging rod penetrating from the vertical direction to each wiring duct to the horizontally long frame, each wiring duct is suspended and supported via the horizontally long frame. 2. The wiring device according to claim 1, wherein the lower surfaces of the left and right ends of the wiring duct are fixed to the left and right supports, respectively. 3. The wiring device according to claim 1, wherein caps made of synthetic resin for protection and reinforcement are attached to both ends of the wiring duct. 4. The wiring device according to claim 1, wherein the duct unit is fixed to a support post via a screw-type bracket.