JP5780198B2 - Wiring device for table and desk - Google Patents

Description

  The present invention relates to a wiring device for a table or desk, and more particularly to a wiring device for wiring cords from a ceiling to a top plate.

  Conventionally, there are various types of tables or desks equipped with columnar wiring ducts for wiring cords from the ceiling on the top plate when there is no wiring function on the floor surface or when it is not preferable to wire on the floor surface. Is provided.

  For example, in Patent Documents 1 and 2, a horizontal wiring duct is provided between the rear end portions of the front and rear desks, and a columnar wiring duct is erected on the end portion of the horizontal wiring duct so as to be flush with the side surface of the desk top plate. However, a structure is disclosed in which cords drawn from the ceiling are wired to the horizontal wiring duct through the inside of the columnar wiring duct. In Patent Document 1, the back of another desk is installed so as to intersect with the side edge of the desk provided with the horizontal wiring duct, and the upper and lower ends of the columnar wiring duct arranged along the back of the desk are arranged. It is a structure that is fixed to the ceiling and floor with fixing brackets. On the other hand, in patent document 2, it installs in the state which pinched | interposed the lower part of the columnar wiring duct between the leg bodies of the front and back desks, and also in this case, the side end of the desk top plate and the end surface of the columnar wiring duct are flush with each other. . It is also described that the upper end of the columnar wiring duct may not reach the ceiling.

  In Patent Document 3, a pair of top and bottom plates are supported by left and right legs so as to support a pair of top plates, a horizontal wiring duct is provided below the front and back top plates, and an end of the horizontal wiring duct is provided at the front and back centers of the legs. A pair of front and rear poles are erected at the position of the part, and a duct member having a cover engaging portion is fixed over the entire length between both poles, so that a semi-cylindrical wiring cover can be attached to and detached from the cover engaging portion A desk wiring mechanism having a function of engaging with each other to form a columnar wiring duct and wiring cords from a ceiling to a desk is disclosed. In addition, a cable holder is provided at the upper end of the columnar wiring duct, the cable is wired from the ceiling through the cable receiver into the columnar wiring duct, and the cords are guided onto the top plate through the horizontal wiring duct.

JP 07-331855 A JP 2004-229475 A JP 2004-136008 A

  However, the support structure for columnar wiring ducts in conventional tables and desks requires work such as fixing to the ceiling or floor with fixing brackets, or appropriate means in a state sandwiched between the top and bottom installed It was necessary to fix it to the leg part, and it took a lot of work. Furthermore, since the conventional columnar wiring duct is arranged outside the top plate, when installing another table or desk side by side on the table or desk top plate where the columnar wiring duct is erected, or the top plate side end When installed close to the wall surface, the columnar wiring duct may get in the way.

  Therefore, in view of the above-mentioned situation, the present invention intends to solve the problem in that the cords are wired from the ceiling to the top plate at a position that does not protrude outward from the top plate of the table or desk with the horizontal wiring duct. The present invention is to provide a wiring device for a table or desk that can easily and firmly stand the columnar wiring duct and is excellent in linkage with the horizontal wiring duct.

  In order to solve the above-mentioned problems, the present invention is a wiring device for a table or desk including a columnar wiring duct and a horizontal wiring duct for wiring cords from a ceiling to a top plate, and is supported by a leg. The horizontal wiring duct has a duct main body 杆 below the top plate, and a duct opening of the horizontal wiring duct is formed closer to the center than the side end of the top plate, and the lower portion of the columnar wiring duct is A wiring device for a table or a desk is provided, wherein the horizontal wiring duct and the columnar wiring duct are linked to each other and fixed to a terminal end portion of the duct main body through a duct opening. .

  Here, the duct main body の of the horizontal wiring duct is a cocoon-like elongate member whose upper part is opened, and a lower end of the top plate is supported together with the legs by connecting a terminal portion between the two legs. It is preferable that the single or plural duct openings formed in the top plate are located above the concave groove portion of the duct main body (Claim 2).

  It is more preferable that the end of the duct main body has a mounting plate connected to the inner surface of the leg, and the lower part of the columnar wiring duct is fastened to the mounting plate and the inner surface of the leg. (Claim 3).

  Specifically, a plurality of fastening screws are screwed up and down on the inner surface of the leg body, and a large diameter for inserting the head of the fastening screw into the mounting plate of the duct body rod and the lower part of the columnar wiring duct A plurality of dharma holes are formed in which a shaft and a small-diameter hole narrower than the head are received and a shaft portion of the fastening screw is formed above the hole, and the fastening screw that is loosely screwed into the inner surface of the leg, The columnar wiring duct inserted through the duct opening in a state where the dharma holes formed in the mounting plate of the duct body rod are respectively locked and temporarily connected, and the top plate is placed on the leg body and the duct body rod. After fastening the dharma hole to the fastening screw, the fastening screw is finally tightened (Claim 4).

  Further, the columnar wiring duct is formed of a column member having a concave groove for accommodating cords on the inner surface side, and a cover member for closing the concave groove, and the Dalma hole is formed in a lower portion of the column member. (Claim 5).

  Further, the duct opening side edge on the side end side of the top plate is abutted against the outer side surface of the columnar wiring duct that is fixedly erected and fixed to the terminal end of the duct main body, and in the positioning state, the top plate From below, it is also preferable that screws are fastened to a horizontal rod provided at the upper end of the leg and reinforcing ribs formed at the upper ends on both sides of the duct body rod (Claim 6).

  The wiring device for the table and desk according to the invention according to claim 1 as described above is a wiring device for a table and desk including a columnar wiring duct and a horizontal wiring duct for wiring cords from the ceiling to the top plate. A duct body of the horizontal wiring duct is provided below the top plate supported by the legs, and a duct opening of the horizontal wiring duct is formed closer to the center than a side edge of the top plate, The lower part of the wiring duct is fixed to the terminal end of the duct main body through the duct opening, and the horizontal wiring duct and the columnar wiring duct are linked to each other. The cords can be wired on the top board through the columnar wiring duct and the horizontal wiring duct, and other tables and desks can be placed on the tabletop and desk topplate where the columnar wiring duct is erected. When installed in base, or in the case of installing a ceiling plate side end is brought closer to the wall, since no the columnar wiring duct gets in the way, the degree of freedom of arrangement becomes high.

  According to a second aspect of the present invention, the duct main body of the horizontal wiring duct is a bowl-like long member that is open at the top, and a terminal portion is connected between the two legs, together with the legs and the lower surface of the top plate. The one or more duct openings formed in the top plate are positioned above the recessed groove portion of the duct body 杆, so that the duct body 間 に is connected between both legs, and the leg and the duct Since the lower surface of the top plate is supported by the main body rod, the support strength is increased and the overall rigidity is also increased. The duct opening may be singular or plural. However, in the case of plural duct openings, the duct opening is provided intermittently, so that the top plate is divided and the strength of the top plate can be maintained. Since the position where the cords are drawn from the wiring duct onto the top plate can be restricted, the cords are not disturbed.

  According to a third aspect of the present invention, the end of the duct main body has a mounting plate connected to the inner surface of the leg, and the lower portion of the columnar wiring duct is fastened to the inner surface of the mounting plate and the leg. As a result, the assembly workability is improved, and the columnar wiring duct can be firmly attached to the leg body via the attachment plate.

  According to claim 4, a plurality of fastening screws are screwed up and down on the inner surface of the leg, and the heads of the fastening screws are inserted into the mounting plate of the duct main body and the lower part of the columnar wiring duct. A plurality of dharma holes are formed in which a large-diameter hole and a shaft part of the fastening screw are received above and a small-diameter hole having a width narrower than the head is formed, and the fastening screw is loosely screwed to the inner surface of the leg. The columnar wiring inserted through the duct opening in a state where the dharma holes formed in the mounting plate of the duct body rod are respectively locked and temporarily connected, and the top plate is placed on the leg body and the duct body rod. After fastening the duct's dharma hole to the fastening screw, the fastening screw is finally tightened, so the duct body 杆 can be temporarily connected between both legs by engagement of the fastening screw and the dharma hole. Workability is improved by the leg and the duct body in that state It is stable even if a top plate is placed on the top, and the lower part of the columnar wiring duct is inserted into the duct opening from above into the duct opening, and the dharma hole formed in the lower part is engaged with the fastening screw. Since it can be temporarily connected and can be released, the electric screwdriver can be inserted into the inside of the duct main body through the duct opening, and the fastening screw can be finally tightened. The wiring duct can be firmly connected.

  According to a fifth aspect of the present invention, the columnar wiring duct is formed of a column member having a concave groove that accommodates cords on the inner surface side thereof, and a cover member that closes the concave groove, and the dharma is formed below the column member. Since the hole is formed, it is easy to wire the cords to the columnar wiring duct, and by using the dharma hole of the column member, it is fastened together with the inner surface of the leg at the same time as the mounting plate of the duct main body Support strength increases.

  According to claim 6, the duct opening side edge on the side end side of the top plate is abutted against the outer side surface of the columnar wiring duct that is fixedly erected and fixed to the terminal end portion of the duct main body, and the positioning state thereof Then, the top plate is screwed from below to the horizontal hooks provided at the upper end of the leg body and the reinforcing hooks formed at the upper ends of both sides of the duct main body hook. Positioning of the top plate when screwing from below into a screw hole provided at a predetermined position by embedding or the like is facilitated, and assembling workability is remarkably improved.

It is the whole table perspective view provided with the wiring device concerning the present invention. It is also a front view. It is a side view similarly. It is an exploded perspective view of the principal part similarly. It is a partial expansion perspective view of the principal part similarly. It is a partial cross-sectional top view which shows the relationship between a columnar wiring duct and a horizontal wiring duct. It is a partially vertical side view of the same. It is the decomposition | disassembly longitudinal section front view which showed the state before attaching a columnar wiring duct in a horizontal wiring duct. It is the decomposition | disassembly vertical front view which showed the state after attaching a columnar wiring duct in a horizontal wiring duct similarly. It is a partial top view which shows the attachment or detachment structure of the duct cover of a horizontal wiring duct.

  Next, the present invention will be described in more detail based on the embodiments shown in the accompanying drawings. 1 to 3 show a table provided with a wiring device according to the present invention, and FIGS. 4 to 10 show the details thereof, in which 1 is a leg, 2 is a top plate, 3 is a beam, 4 is horizontal Wiring ducts and 5 are columnar wiring ducts, respectively. Note that the present invention can be applied to a desk without any changes.

  The table of this embodiment connects the beam 3 between the lower portions of the legs 1 and 1 arranged on both sides, and connects the duct main body 6 constituting the horizontal wiring duct 4 between the upper ends of the table. , 1 and the duct main body 6 support the top plate 2. The leg 1 has a side-viewing H-shaped structure in which a ground rod 8 is fixed to the lower end of a vertical pedestal 7 in the front-rear direction and a horizontal rod 9 is fixed to the upper end of the pedestal 7. The beam 3 and the duct main body 6 are connected to the lower part of the column 7 and the inner surface side of the upper end part, respectively.

  The present invention is a wiring device in a table or desk provided with columnar wiring ducts 5 and horizontal wiring ducts 4 for wiring cords from the ceiling onto the top plate, and the top plate 2 supported by the legs 1. A duct main body 6 of the horizontal wiring duct 4 is provided below, and a duct opening 10 of the horizontal wiring duct 4 is formed closer to the center than the side end of the top plate 2, and a lower portion of the columnar wiring duct 5 is formed. The horizontal wiring duct 4 and the columnar wiring duct 5 are linked to each other by being fixedly erected through the duct opening 10 and fixed to the terminal end of the duct main body 6.

  More specifically, the duct main body 杆 6 of the horizontal wiring duct 4 is a cocoon-like long member whose upper part is opened, and a terminal portion is connected between the both legs 1, 1 together with the legs 1 and the ceiling. The lower surface of the plate 2 is supported, and one or a plurality of the duct openings 10 formed in the top plate 2 are positioned above the concave groove portion 11 of the duct main body 6.

  A duct cover 12 is detachably provided in each duct opening 10. In this embodiment, the top plate 2 uses a wood-based material, and the duct cover 12 also uses a wood-based material to unify the overall appearance. It is possible to draw cords between the left and right opening edges of the duct opening 10, that is, between both opening edges that intersect the direction along the concave groove portion 11 of the duct main body 6 and both side edges of the duct cover 12. Insertion holes 13 are formed. In addition, only a slight clearance is provided between the front and rear edges of the duct opening 10 and the front and rear edges of the duct cover 12, and the top surface of the top plate 2 and the duct cover 12 are substantially flush. It is substantially continuous.

  As shown in FIGS. 1 and 4 to 9, the end of the duct main body 6 has a mounting plate 14 connected to the inner surface of the leg 7 of the leg 1, and the columnar wiring duct 5 The lower portion is fastened together with the mounting plate 14 and the inner surface of the pedestal 7 of the leg 1. Here, the columnar wiring duct 5 is formed of a column member 15 having a concave groove 16 that accommodates cords on the inner surface side, and a cover member 17 that closes the concave groove 16, and a lower end portion of the column member 15. Is not provided with a cover member 17. The column member 15 is made of an aluminum extrusion mold, and the cover member 17 is made of a synthetic resin extrusion mold. When the strength of the column member 15 is insufficient, a steel reinforcing member having a substantially U-shaped cross section is fitted into the recessed groove 16 and integrated.

  A specific structure for fastening the lower part of the columnar wiring duct 5 to the inner surface of the mounting plate 14 and the leg column 7 of the leg 1 is shown in FIGS. 4, 5, 8 and 9. A plurality of screw holes 18 and 18 are formed vertically on the inner surface of the upper end of the pedestal 7 of the leg 1, and a fastening screw 19 is screwed into each screw hole 18. On the other hand, Dalma holes 20 and 20 and Dalma holes 21 and 21 are formed in the attachment plate 14 of the duct main body 6 and the lower part of the column member 15 of the columnar wiring duct 5 so as to correspond to the fastening screw 19, respectively. doing. Here, the Dharma holes 20 and 21 receive large-diameter holes 20A and 21A into which the head portion 19A of the fastening screw 19 is inserted, and a shaft portion 19B of the fastening screw 19 thereabove and are wider than the head portion 19A. Narrow small-diameter holes 20B and 21B are continuous shapes. Then, Dalma holes 20, 20 formed in the mounting plate 14 of the duct main body 6 are respectively engaged with the fastening screws 19, 19 loosely screwed into the inner surface of the pedestal 7 of the leg 1, and temporarily connected. Then, the Dalma holes 21 and 21 formed in the column member 15 of the columnar wiring duct 5 inserted through the duct opening 10 in a state where the top plate 2 is placed on the leg 1 and the duct main body 6. After engaging with the fastening screws 19, 19, the fastening screws 19, 19 are finally tightened.

  Then, the side edge of the duct opening 10 on the side end side of the top plate 2 is abutted against the outer side surface of the columnar wiring duct 5 fixed and erected on the terminal end of the duct main body 6, and the positioning state thereof Then, the top plate 2 is screwed from below to the horizontal rod 9 provided at the upper end of the leg 1 and the reinforcing rod portions 22, 22 formed at both upper ends of the duct body rod 6. On the lower surface of the top plate 2, a screw nut 23,... Is formed in advance at a predetermined position by embedding an onion nut or the like, and the horizontal rod 9 of the leg body 1 and the reinforcing rod portion 22 of the duct body rod 6. Screws 25,... Are inserted from below into mounting holes 24 formed in 22 and screwed into the screw holes 23,. Here, since the lower surface of the top plate 2 is flat, it is difficult to align the screw holes 23 and the mounting holes 24 only by placing them on the legs 1 and the duct main body 6. Thus, positioning can be easily performed by using the side edge of the duct opening 10 and the outer surface of the columnar wiring duct 5 as a reference for positioning.

  In the present embodiment, the duct openings 10 are formed at three positions in the left-right direction at the front-rear center portion of the top plate 2. And the said columnar wiring duct 5 is located in the outer side edge part of the duct opening 10 of the one side end side of the said top plate 2. FIG. The duct cover 12 can be mounted on the duct opening 10 even when the columnar wiring duct 5 is mounted in an upright state. Even in this case, the insertion hole 13 is formed on the other side near the center.

  The duct body rod 6 is made of steel, and the width of the duct opening 10 is set wider than the width of the concave groove portion 11, and the reinforcing flange portion 22 is formed at the front and rear portions inside the duct opening 10. 22 are positioned in a step shape, and the front and rear edges of the duct cover 12 can be placed on the step portions 26, 26. Engagement holes 27 and 27 are formed at the left and right centers of the stepped portions 26 and 26, respectively, and pins 28 and 28 projecting from the front and rear edge portions at the left and right center of the back surface of the duct cover 12 are formed. , 27 so that the duct cover 12 can be mounted at an accurate position inside the duct opening 10. Further, magnets 29,... Are embedded in the four corners on the back surface of the duct cover 12, and are attracted to the stepped portions 26, 26 to hold the duct cover 12. In order to remove the duct cover 12 from the duct opening 10, if a finger is inserted through the insertion hole 13 and one side portion of the duct cover 12 is lifted, the magnets 29,. Simultaneously with the separation, the pins 28 and 28 come out of the engagement holes 27 and 27 of the reinforcement flanges 22 and 22.

  Here, if the duct cover 12 is symmetric, there is no mistake in the orientation when the duct cover 12 is mounted on the duct opening 10, and the widths of the insertion holes 13, 13 formed on both the left and right sides are the same. It is also preferable in appearance. And if the said columnar wiring duct 5 is comprised so that it may fit in the said insertion hole 13, all the duct openings 10 and the duct covers 12 can be made into a common shape.

  As described above, the fastening screws 19 and 19 which are loosely screwed into the inner surface of the leg column 7 of the leg body 1 are connected to the Dalma holes 20 and 20 formed in the mounting plate 14 of the duct main body 6 and the columnar wiring duct 5. After the Dalma holes 21 and 21 formed in the column member 15 are locked and temporarily connected, the fastening screws 19 and 19 are finally tightened. At this time, the duct main body 6 can be used so that an electric screwdriver can be used. A sufficient margin is provided for the lateral width of the groove 11 and the length of the duct opening 10 in the left-right direction. In this embodiment, the lateral width of the concave groove portion 11 is about 70 mm, and the duct opening 10 is set to 100 mm × 400 mm. If it does in this way, an electric screwdriver can be inserted in the said recessed groove part 11 from the duct opening 10, and the said fastening screws 19 and 19 can be rotated from an axial direction.

  As shown in FIGS. 4 and 6, the columnar member 15 of the columnar wiring duct 5 is formed with locking strips 30, 30 on both sides in the concave groove 16, and the cover strips 30, 30 are covered with the cover. The leg pieces 31, 31 on both sides of the member 17 are detachably engaged. The recessed groove 16 and the cover member 17 form a vertically closed duct space. In the present embodiment, a groove portion that is not covered with the cover member 17 is formed outside the locking strip portion 30, and a high-power cord such as a power cord is wired in the duct space, and the outer groove portion is formed. It is also possible to separate and wire weak electric cords such as LAN cables and telephone lines. Of course, all cords can be wired in a duct space formed by the concave groove 16 and the cover member 17.

  In order to draw the cords from the ceiling to the columnar wiring duct 5, the cords may be directly drawn, but the cords from the ceiling and the cords wired to the columnar wiring duct 5 may be connected by a connector. A connection box 32 for receiving connectors such as taps and plugs is fixed to the upper end of the column member 15. As shown in FIGS. 1 to 3, the connection box 32 has a trapezoidal shape opened upward, and it is possible to accommodate surplus cords therein. Further, the cover member 17 is not provided at the lower end portion of the columnar wiring duct 5 and corresponding to the inside of the concave groove portion 11 of the duct main body 6, and the concave groove 16 of the column member 15 is exposed. ing. By doing so, the horizontal wiring duct 4 and the columnar wiring duct 5 communicate with each other, and the cords lowered from the ceiling are wired to the horizontal wiring duct 4 through the columnar wiring duct 5, and are placed on the top plate 2 from the duct opening 10. It can be pulled out. Even when the duct cover 12 is attached to the duct opening 10, the cords can be pulled out from one or both of the insertion holes 13, 13 on both the left and right sides. An opening 33 is provided on the bottom surface of the duct main body 6 corresponding to the duct opening 10 so that the cords can be drawn downward through the opening 33.

  As shown in FIGS. 1, 2, 5, 6 and 9, the table according to the present invention has the columnar wiring duct 5 erected at a position closer to the center than the side end surface of the top plate 2. . Therefore, even when the side edge of the top plate 2 is joined to the edge of the top plate of another table or joined to the wall surface, the columnar wiring duct 5 does not get in the way. Further, the length of the leg protruding from the leg 1 is increased so that the side part of the top plate 2 lateral to the columnar wiring duct 5 can be used positively. It is also preferable that the person can use the top board 2 with a margin. Furthermore, it is also preferable that the side portion of the top plate 2 is protruded laterally in a semicircular shape. Thus, since the shape of the top plate 2 can be freely set, the columnar wiring duct 5 is erected using the inside of the duct opening 10 provided at a position closer to the center than the side end of the top plate 2. Because.

1 leg, 2 top plate,
3 beam, 4 horizontal wiring duct,
5 Columnar wiring duct 6 Duct body 杆
7 pedestal, 8 ground rod,
9 horizontal fence, 10 duct opening,
11 concave groove, 12 duct cover,
13 insertion hole, 14 mounting plate,
15 column member, 16 groove,
17 cover member, 18 screw hole,
19 fastening screws, 19A head,
19B Shaft, 20 Dharma hole,
21 Dharma hole, 20A, 21A large diameter hole,
20B, 21B small-diameter hole, 22 reinforcing collar,
23 screw holes, 24 mounting holes,
25 screws, 26 steps,
27 engagement holes, 28 pins,
29 magnets, 30 locking strips,
31 leg pieces, 32 connection boxes,
33 Opening.

Claims (6)

  A wiring device in a table or desk including a columnar wiring duct and a horizontal wiring duct for wiring cords from a ceiling to a top plate, wherein the horizontal wiring duct is disposed below the top plate supported by legs. A duct main body is provided, a duct opening of the horizontal wiring duct is formed closer to the center than the side edge of the top plate, and a lower part of the columnar wiring duct is fixed to the terminal end of the duct main body through the duct opening. And a wiring device for a table or desk, wherein the horizontal wiring duct and the columnar wiring duct are linked together.   A duct main body の of the horizontal wiring duct is a cocoon-like long member having an open top, and a terminal portion is connected between the two legs to support the lower surface of the top board together with the legs, 2. The wiring device for a table or desk according to claim 1, wherein the one or more duct openings formed on the upper surface of the duct body are located above the concave groove portion of the duct main body.   3. A mounting plate connected to the inner surface of the leg body at a terminal portion of the duct body rod, and a lower portion of the columnar wiring duct is fastened together with the mounting plate and the inner surface of the leg body. Wiring device for table and desk.   A plurality of fastening screws are screwed up and down on the inner surface of the leg body, a large-diameter hole into which the head of the fastening screw is inserted into a mounting plate of the duct body rod, a lower portion of the columnar wiring duct, and above The duct main body is attached to the fastening screw that receives a shaft portion of the fastening screw and is formed with a plurality of dharma holes continuous with a small-diameter hole having a narrower width than the head and loosely screwed into the inner surface of the leg. Dalma holes formed in the plate are respectively locked and temporarily connected, and the columnar wiring duct inserted through the duct opening is fastened with the top plate placed on the leg and the duct main body. 4. The wiring device for a table or desk according to claim 3, wherein the fastening screw is finally tightened after being locked to the screw.   The columnar wiring duct is formed of a column member having a concave groove that accommodates cords on an inner surface side, and a cover member that closes the concave groove, and the Dalma hole is formed in a lower portion of the column member. Item 5. A wiring device in a table or desk.   The duct opening side edge on the side end side of the top plate is abutted against the outer side surface of the columnar wiring duct fixed upright and fixed to the terminal end of the duct main body, and the top plate is lowered in the positioning state. The wiring in the table and desk according to any one of claims 1 to 5, wherein the horizontal hook provided at the upper end of the leg body and the reinforcing hooks formed at the upper ends on both sides of the duct main body are screwed to each other. apparatus.

Images