JP4313455B2 - Wiring duct device in a desk etc. - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a wiring duct structure provided under a top plate such as a desk, and more particularly to a wiring duct structure that is movable up and down.
[0002]
[Prior art]
For example, Japanese Patent No. 263979 and Japanese Utility Model Publication No. 7-981 disclose conventional wiring duct structures for storing extra length cords below the top plate when wiring cords from OA equipment on a desk or the like. There is something that has been.
[0003]
[Problems to be solved by the invention]
The former wiring duct structure has a structure in which the duct main body is detachably attached to the reinforcing rod on the lower surface of the top plate and cannot move in the vertical direction.
[0004]
On the other hand, in the latter wiring duct structure, the rear end of the duct body provided with a hinge portion that can be bent up and down near the rear end is fixed to the curtain plate, and the locking piece at the front end is attached to the lower surface of the top plate. When the cords are accommodated in the duct so as to be detachable, the duct body is tilted and rotated downward about the hinge portion.
[0005]
For this reason, if the duct body is inadvertently tilted downward in order to additionally store cords or take out a part of the cords, the cords already stored may fall from the duct.
[0006]
The present invention has been made to solve the above-described problems. By making the wiring duct movable in the vertical direction without inclining, the wiring work can be easily performed and the cords can be prevented from dropping. An object of the present invention is to provide a wiring duct structure in a desk or the like.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the wiring duct structure of the present invention is a wiring duct structure provided under a top plate such as a desk,
Between the appropriate position of the desk below the top plate and the wiring duct, the wiring duct is held in a substantially horizontal state and supported so as to be movable in the vertical direction, and the wiring duct can be stopped at a plurality of vertical positions. It is characterized by providing position adjusting means.
According to the present invention having the above configuration, the wiring duct can be moved up and down in a horizontal state by the vertical position adjusting means, so that the extra length cords can be easily wired and stored, and the cords There is no drop.
[0008]
In the wiring duct structure, it is preferable that the vertical position adjusting means is provided at both ends in the longitudinal direction of the wiring duct.
In this way, the wiring duct can be stably held at a predetermined position.
[0009]
In the above wiring duct structure, the vertical position adjusting means is provided on both inner side surfaces of the desk, and is provided on a duct support body having a plurality of locking grooves in the vertical direction, and is attached to both side ends of the wiring duct. It is preferable to include a moving body having a protrusion that is elastically engaged with the concave groove.
In this way, the height of the wiring duct can be easily increased by simply pushing the wiring duct up and down by hand, and the protrusions are detached from the locking grooves and automatically engaged with other grooves. Can be adjusted.
[0010]
In the above wiring duct structure, the duct support body has a U-shaped cross section having a locking groove on the inner surface, and the protrusion of the moving body is elastically engaged with the locking groove in the U-shaped space. Is preferred.
If it does in this way, a movable body can be guided to a duct support body, and can move up and down stably.
[0011]
In the above wiring duct structure, the protrusion can be moved toward the locking groove by the biasing means, and the end surface of the movable body opposite to the protrusion is opposed to the locking groove in the duct support. It is preferable to press-contact the inner surface.
This makes it easy to adjust the height of the wiring duct as described above, and the end face on the opposite side of the protrusion is always in pressure contact with the inner surface of the duct support, so that the wiring duct is stable and stable. Retained.
[0012]
In the above-mentioned wiring duct structure, the vertical position adjusting means is provided on both inner side surfaces of the desk, a support having a part of the opening, and a belt-like shape that is attached to both ends of the wiring duct and can be projected and retracted from the opening. The suspension support plate and a plurality of engagement protrusions provided on the surface of the suspension support plate are preferably provided with engagement means that can be engaged in the vicinity of the opening.
In this case, the height of the wiring duct can be easily adjusted because the locking protrusion at a predetermined position can be locked in the vicinity of the opening simply by pushing the hanging support plate up and down.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
[0014]
FIG. 1 is a left side view of a central longitudinal section of a desk to which the first embodiment of the present invention is applied (hereinafter, the direction will be described with the left side of FIG. 1 as the front). A base leg 2 is a pair of left and right leg plates erected on the base leg 1, and 3 is a curtain plate attached between the left and right leg plates 2.
[0015]
A top plate 4 is placed on the left and right leg plates 2 and the curtain plate 3.
[0016]
As shown in FIGS. 2 and 3, on the inner side surface of the upper rear end of the left and right leg plates 2, a duct support body 5 having an inward U-shape in plan view is arranged so that the rear surface abuts the front surface of the curtain plate 3. And is screwed. On the inner side of the vertical piece 5a on the rear side of the duct support body 5, a plurality of locking concave grooves 6 facing sideways are formed at equal intervals in the vertical direction. The upper and lower protrusions sandwiching the locking groove 6 are arcuate curved surfaces.
[0017]
Reference numeral 7 denotes a wiring duct having a substantially J-shaped longitudinal cross-section, and the left and right length is slightly shorter than the dimension between the left and right leg plates 2.
[0018]
On both side end surfaces of the vertical base piece 7a on the rear side of the wiring duct 7, the front end portions of the inner mounting pieces 8a in the forward U-shaped moving bracket 8 are thick portions 7b formed on the upper and lower portions of the vertical base piece 7a. The wiring duct 7 is fixed so as to be positioned in front of the moving bracket 8 by screwing the screw 9 into the screw.
[0019]
The dimension in the front-rear direction of the sliding piece 8c connected to the middle portion of the rear plate 8b in the moving bracket 8 and the outermost sliding piece 8d is vertical in the U-shaped space of the duct support 5. The length can be moved with sufficient margin. At the upper and lower ends of the rear plate 8b, a hemispherical locking projection 10 facing backward is provided so as to be positioned at the center between the sliding pieces 8c, 8d.
[0020]
Both the locking projections 10 are sized so as to enter and be locked into the respective concave grooves 6 in the duct support 5. The locking projection 10 is integrally formed by molding the entire moving bracket 8 with synthetic resin.
[0021]
Between the sliding pieces 8c and 8d, the upper end portion of the leaf spring 11 whose central portion curves in a circular arc toward the front is fixed with the screw 9 on the front surface of the upper end portion of the rear plate 8b, so that the curved portion The front end portion is provided so as to protrude slightly forward from the front ends of the sliding pieces 8c and 8d.
[0022]
The lower end of the leaf spring 11 is in contact with the front surface of the rear plate 8b.
[0023]
When the sliding pieces 8c, 8d of the moving bracket 8 are inserted into the duct support 5 from above while elastically deforming the leaf spring 11 backward, as shown in FIG. By pressing against the inner surface of the vertical piece 5 b on the front side of the support 5, the entire moving bracket 8 is pressed backward, and the locking protrusion 10 is elastically engaged with the recessed groove 6 to move. The bracket 8 and the wiring duct 7 attached thereto are prevented from moving in the vertical direction.
[0024]
When moving the wiring duct 7 in the vertical direction, if the holding bracket 8 or the wiring duct 7 is held by hand and pushed up and down slightly strongly, the leaf spring 11 is elastically deformed backward, and the locking protrusion 10 moves away from the groove 6 that has been engaged so far, and automatically and elastically engages with any one of the upper and lower grooves 6 adjacent thereto, so that the vertical movement can be performed very easily. it can.
[0025]
Therefore, when the extra length cords C such as OA devices placed on the top plate 4 are stored in the wiring duct 7, it can be moved to the lowest position, so that wiring and storing work becomes easy. .
[0026]
Further, by moving the wiring duct 7 to the uppermost position after storage, a large space is secured at the foot, and there is no hindrance when using the desk.
[0027]
Further, since the wiring duct 7 can move up and down in a horizontal state, even if the cords C are added and stored or the wiring duct 7 is inadvertently moved downward to perform wiring work again, it is already stored. There is no possibility that the cords C that have been dropped from the duct 7 fall.
[0028]
FIG. 4 shows a modified example of the moving bracket. The moving bracket 12 of this embodiment is provided with a pair of upper and lower movable protrusions 13 in place of the locking protrusion 10 and the leaf spring 11 is eliminated. Yes.
[0029]
That is, a pin 15 having a hemispherical locking projection 14 at the rear end is slidable in the front-rear direction at the upper and lower ends of the rear plate 12a in the movable bracket 12 having the same shape as the above embodiment, and the front end The hook 15a is provided so as to prevent it from coming out backward, and a compression coil spring 16 is provided between the locking protrusion 14 and the rear plate 12a so that the entire movable protrusion 13 is always rearward. It is trying to urge toward.
[0030]
The front ends of both sliding pieces 12 b of the moving bracket 12 are configured to be in pressure contact with the inner surface of the vertical piece 5 b on the front side of the duct support 5.
[0031]
Even when the moving bracket 12 of this embodiment is used, both movable protrusions 13 move in the front-rear direction against the urging force of the compression coil spring 16 and engage with any one of the concave grooves 6, so that the wiring duct 7 can be moved up and down easily.
[0032]
In this embodiment, since the sliding piece 12b is always in pressure contact with the vertical piece 5b, the wiring duct 7 is stably supported.
[0033]
Next, a second embodiment of the present invention will be described with reference to FIGS.
[0034]
In this embodiment, the left and right ends of the U-shaped wiring duct 17 (the right end side is not shown) are flexible in the thickness direction and have a semicircular cross section facing both sides in the width direction. Screws are attached to the lower end of the strip-shaped suspension support plate 18 provided with a plurality of stop projections 18a at equal intervals.
[0035]
On the other hand, on the inner surface of the upper end of the leg plate 2 immediately below the top plate 4, as shown in FIG. A duct support member 19 having a space part that can partly appear and disappear is fixed.
[0036]
Between the bent end of the upper end of the locking piece 19a and the inward downward bent portion 19b of the duct support member 19, an opening having a width smaller than the dimension between both surfaces of the locking protrusion 18a. When the suspension support plate 18 is pushed harder than the opening, or when the pushed suspension support plate 18 is pulled, the locking piece 19a is elastically deformed as shown by the arrow to open the opening, and the locking protrusion 18a is allowed to pass.
[0037]
Accordingly, the wiring duct 17 is locked and held when the locking ridge 18a is hooked on the opening, and the vertical position can be adjusted stepwise by the number of the locking ridges 18a.
[0038]
Also in the second embodiment, the wiring duct 17 can be moved up and down to easily carry out wiring and storing work of extra length cords.
[0039]
The present invention is not limited to the above-described examples, and can take various embodiments.
[0040]
In the first embodiment, if the shape of the moving brackets 8 and 12 or the mounting position with respect to the wiring duct 7 is changed, the duct support 5 can be mounted on the front surface of the curtain plate 3 facing forward.
[0041]
In the first and second embodiments, the duct support 5, the moving brackets 8 and 12, the suspension support plate 18 and the duct support member 19 as the vertical position adjusting means are provided at the left and right ends of the wiring ducts 7 and 17. These may be only one of the left and right sides of the duct, and the other may be provided with a guide member that guides the ends of the ducts 7 and 17 in a vertical direction.
[0042]
In the second embodiment, if the suspension support plate 18 is moved only in the vertical direction, it is not always necessary to have flexibility. At this time, the opening portion where the hanging support plate 18 appears and disappears may be directed downward.
[0043]
【The invention's effect】
According to the present invention, the following effects can be obtained.
[0044]
(A) According to the first aspect of the present invention, the wiring duct can be moved up and down in a horizontal state by the vertical position adjusting means, so that the extra length cords can be easily wired and stored.
Moreover, even if the wiring duct is lowered carelessly, the accommodated cords are not likely to fall.
[0045]
(B) According to the invention described in claim 2, the wiring duct can be stably held at a predetermined height.
[0046]
(C) According to the invention described in claim 3, the height can be easily adjusted by merely pushing the wiring duct in the vertical direction by hand.
[0047]
(D) According to the invention described in claim 4, the moving body can be stably moved up and down while being guided by the duct support.
[0048]
(E) According to the invention described in claim 5, as in the case of (c), the height of the wiring duct can be easily adjusted, and the end surface on the side opposite to the protrusion is always pressed against the inner surface side of the duct support. By doing so, the wiring duct is held in a stable manner.
[0049]
(F) According to invention of Claim 6, the height of a wiring duct can be easily adjusted only by pushing a suspension support board to an up-down direction.
[0050]
[Brief description of the drawings]
FIG. 1 is a left side view of a central longitudinal section of a desk to which a first embodiment of the present invention is applied.
FIG. 2 is an enlarged exploded perspective view of a duct support body and a moving body, similarly;
FIG. 3 is an enlarged longitudinal sectional side view of an engaging portion between a duct support body and a moving body, similarly;
FIG. 4 is an enlarged vertical side view showing a modified example of the moving body.
FIG. 5 is a perspective view of an essential part showing a second embodiment of the present invention.
FIG. 6 is a longitudinal sectional front view of the main part in a state where it is attached to a desk.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Base leg 2 Leg board 3 Curtain board 4 Top plate 5 Duct support body 5a, 5b Vertical piece 6 Locking ditch 7 Wiring duct 7a Vertical base piece 7b Thick part 8 Moving bracket (moving body)
8a Mounting piece 8b Rear plate 8c, 8d Sliding piece 9 Screw 10 Locking projection 11 Leaf spring 12 Moving bracket 12a Rear plate 12b Sliding piece 13 Movable protrusion 14 Locking projection 15 Pin 15a Hook 16 Compression coil spring (Biasing means)
17 Wiring duct 18 Suspended support plate 18a Locking protrusion 19 Duct support member 19a Locking piece (locking means)

Claims (6)

A wiring duct structure provided below a top plate such as a desk,
Between the appropriate position of the desk below the top plate and the wiring duct, the wiring duct is supported in a substantially horizontal state so as to be movable in the vertical direction, and the wiring duct can be stopped at a plurality of vertical positions. A wiring duct structure in a desk or the like, characterized in that a vertical position adjusting means is provided. The wiring duct structure in a desk or the like according to claim 1, wherein the vertical position adjusting means is provided at both ends in the longitudinal direction of the wiring duct. The vertical position adjusting means is provided on both inner side surfaces of the desk and has a duct support having a plurality of locking grooves in the vertical direction, and is attached to both ends of the wiring duct and elastically engages with the locking grooves. The wiring duct structure in a desk or the like according to claim 1 or 2, comprising a moving body having a protrusion. The desk according to claim 3, wherein the duct support body has a U-shaped cross section having a locking groove on the inner surface, and the protrusion of the moving body is elastically engaged with the locking groove in the U-shaped space. Wiring duct structure in etc. The protrusion can be moved toward the locking groove by the urging means, and the end surface of the moving body opposite to the protrusion is pressed against the inner surface of the duct support opposite to the locking groove. 5. A wiring duct structure in a desk or the like according to claim 3 or 4. The vertical position adjusting means is provided on both inner side surfaces of the desk, a support having a part of the opening, a belt-like hanging support plate attached to both ends of the wiring duct and capable of protruding and retracting from the opening, 2. A wiring duct structure in a desk or the like according to claim 1, wherein a plurality of locking ridges provided on the surface of the hanging support plate are provided with locking means capable of locking in the vicinity of the opening. .

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