JP3239800B2 - Cord receiving structure for desk sleeve wiring duct - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cord receiving structure for a wiring duct on a sleeve of a desk, and more particularly, to a cord for a desk having a structure in which the inside of a sleeve communicates with a wiring duct provided on a rear edge of a top plate. Regarding the receiving structure.

[0002]

2. Description of the Related Art Conventionally, a single-sleeve type or double-sleeve type desk having a sleeve portion on one side or both sides is provided with a wiring duct along a rear edge of a top plate, and a wiring is provided at a wiring duct opening. Various OA desks equipped with a duct cover are provided. For example, as shown in FIG.
1, a wiring duct 102 is provided between the top plate 10 and the top plate 10.
In some cases, a wiring duct cover 106 capable of closing a wiring duct opening 105 is provided between an edge member 103 attached to the rear end surface of the first frame 0 and a mounting edge 104 at the upper edge of the curtain plate 101.

The wiring duct 102 is connected to the top plate 10.
0 is formed over the entire length along the trailing edge of the top plate 100. Therefore, when the sleeve 107 is provided on one side or both sides of the top plate 100, the opening 108 on the upper end surface of the sleeve 107 is connected to the wiring duct. 102 and the space are continuous. Therefore, when the wiring duct cover 106 is removed, or when the cap (not shown) attached to the wiring duct cover 106 is slid or rotated to open the cord insertion port, the sleeve 107 is inserted through the wiring duct 102. Because the inside is directly seen, not only is it unsightly,
From the inside of the sleeve 107.

Therefore, conventionally, the opening 10 of the sleeve 107 is
8 is bent downward from the rear edge and bent forward to the lower edge to provide a cord receiving plate 109 that also serves as a blindfold, a fall prevention, and a cord receiver. The cord receiving plate 109 is integrally formed by cutting and raising a part of a steel rear cross bar 110 formed on the upper end surface of the sleeve portion 107, or formed of another steel plate and fixed to the rear horizontal bar 110. Was. However, since the cord receiving plate 109 is made of steel and has an edge at an edge thereof, the hand is injured by the edge when the cord is inserted by inserting a hand into the wiring duct 102. In addition to the fear, the manufacturing process becomes complicated, which hinders cost reduction.

[0005]

SUMMARY OF THE INVENTION In view of the above-mentioned situation, the present invention aims to solve the problem by eliminating the conventional steel cord receiving plate provided on the sleeve facing the wiring duct. By providing a cord receiver made of synthetic resin that acts as described above, there is no risk of injury to the hand when the cord is inserted through the wiring duct and the manufacturing cost is reduced. It is another object of the present invention to provide a cord receiving structure in a desk sleeve wiring duct that can perform the above.

[0006]

According to the present invention, in order to solve the above-mentioned problems, a top plate is attached to the upper end surface of the sleeve with an extra rear portion, and a curtain plate is connected to the rear surface of the sleeve. A wiring duct is provided between the rear end of the top plate and the upper end of the curtain plate, and an opening is formed on the upper end surface of the rear cross rail corresponding to the wiring duct,
A U-shaped cross section of a synthetic resin cord receiver, which is opened downward, is externally fitted to the horizontal rod portion forward of the rear horizontal bar opening,
A cord receiving structure for a desk sleeve wiring duct in which at least a space below the opening is concealed by a receiving portion extending downward and rearward at the rear of the fitting portion.

The receiving portion of the cord receiver has a box shape having a bottom surface and a peripheral side surface and is open upward, and a rear edge of the receiving portion is engaged with a horizontal rod portion behind the opening of the rear horizontal rail of the sleeve portion. And
More preferably, the entire space below the opening is concealed.

[0008] Further, a locking edge having an open front is formed on the rear horizontal rail of the sleeve portion, and a locking hole provided in a reinforcing member provided laterally behind the top plate is provided so that the locking metal fitting can face forward from behind. A hook is engaged and attached, and an engaging claw extending rearward of the locking metal is slidably inserted into the locking edge from diagonally forward and locked, and the front cross rail of the sleeve portion and the top plate are locked. In a state in which the reinforcing members provided laterally in front of each other are dropped and engaged with a fastening tool and attached, the lower end of the reinforcing member behind the top plate is pressed against the upper end of the fitting portion of the cord receiver. Preferably,

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. FIG. 1 is an overall perspective view of a desk employing a cord receiving structure according to the present invention, FIG. 2 is a perspective view of a wiring duct portion, and FIGS. 3 to 5 show main parts of a first embodiment of the present invention. Reference numeral 1 denotes a top plate, 2 denotes a sleeve, 3 denotes a leg, 4 denotes a curtain plate, 5 denotes a wiring duct, 6 denotes a cord receiver, and 7 denotes a wiring duct cover.

In the desk according to the present embodiment, the top plate 1 is
In a state in which the rear end surface of the leg portion 3 is connected to the rear end surface of the leg portion 3, a predetermined space is provided between the sleeve 2 and the upper end surface of the leg portion 3 so as to serve as a wiring duct 5 between the upper end edge of the curtain plate 4. The cord receiver 6 is mounted inside the sleeve 2 in the space below the wiring duct 5, and a plurality of types of wiring duct covers 7 are attached to the wiring duct opening 8 of the wiring duct 5. Things.

According to the present invention, the top plate 1 is attached to the upper end surface of the sleeve portion 2 with the rear portion remaining, and the curtain plate 4 is connected to the rear surface of the sleeve portion 2 so that the rear end of the top plate 1 is connected to the curtain. A wiring duct 5 is provided between the upper ends of the plates 4, and an opening 10 is formed in an upper end surface of the rear horizontal rail 9 corresponding to the wiring duct 5, and an opening 10 is provided in front of the opening 10 of the rear horizontal rail 9. A fitting portion 12 having a U-shaped cross section, which is open downward, of the cord receiver 6 made of synthetic resin is externally fitted to the lateral rod portion 11 of the above, and a receiving portion extending downward at the rear of the fitting portion 12 and extending rearward. The point is that at least the space below the opening 10 is concealed by 13.

The sleeve 2 is made up of both side plates 14, 14 and the back plate 1.
5 are integrally bent to form a body, and both side plates 14, 1 are formed.
A rear cross bar 9 is provided between the rear portions 4 and serves as both a reinforcing portion and a mounting portion for the top plate 1. Thereafter, the horizontal rail 9 is formed by pressing and bending a steel plate, and has an opening 10 formed at the center and at a position corresponding to the wiring duct 5. The opening 10 is used to connect a device having a large vertical dimension such as an outlet box (not shown) to the wiring duct 5.
It is provided to provide an escape space for mounting inside, and to wire a cord or to accommodate an extra cord. The front edge of the opening 10 of the rear cross bar 9 is a horizontal rod 11 with its front and rear edges bent downward.
The horizontal rod portion 11 has a front bent plate 11 bent downward at the front edge.
A and a rear edge have a rear bent piece 11B whose vertical dimension is smaller than that of the front bent plate 11A, and a lower edge piece 11C bent backward is formed at the lower end of the front bent plate 11A. ing.

[0013] The cord receiver 6 of the first embodiment.
Has a structure in which the fitting portion 12 is formed at the front edge portion and the receiving portion 13 is formed rearward from the fitting portion 12. More specifically, the fitting portion 12 has a substantially U-shaped cross section opened downward so as to be able to be externally fitted to the horizontal rod portion 11 of the rear horizontal rail 9 from above, and an upper surface plate 12A of the fitting portion 12 is formed. Front plate 12 from the front edge of
B, a locking piece 12C extends rearward from the lower edge of the front plate 12B, and a triangular cross section is formed on the front side of a rear plate 12D extending downward from the rear edge of the upper plate 12A. An engaging ridge 12E is formed. The rear plate 12D
Is continuous with the front rising plate 13A of the receiving portion 13.
A rear rising plate 13B is formed on the rear edge of the receiving portion 13.

When the fitting portion 12 is fitted to the horizontal rod portion 11, the locking piece 12C is locked to the lower edge piece 11C of the lower end of the front bent plate 11A, and then the upper plate 12A and the front plate 12A. The face plate 12B is fitted while being bent and deformed.
E engages with the lower end of the rear bent piece 11B.
In a state where the fitting portion 12 of the cord receiver 6 is fitted to the horizontal rod portion 11 of the sleeve portion 2, as shown in FIGS. Although it is elastically in contact with the second back plate 15, a protrusion for supporting the lower surface of the receiving portion 13 may be fixed or cut and raised on the back plate 15.

As described above, by disposing the receiving portion 13 of the cord receiving member 6 in the space below the opening 10 of the rear cross rail 9 of the sleeve portion 2, the inside of the sleeve portion 2 is separated from the wiring duct 5. In addition to concealing, the fallen object is received by the receiving portion 13 and is prevented from falling into the inside of the sleeve portion 2.

Next, a structure for mounting the top plate 1 on the upper end surface of the sleeve 2 will be described with reference to FIGS. First, the top plate 1 has a rear reinforcing member 16 provided laterally at a rear edge portion of a lower surface thereof, a front reinforcing member 17 provided laterally at a front edge portion thereof, and a sleeve portion 2.
The rear cross bar 9 is provided at the rear edge of the upper end surface of the vehicle, and the front horizontal bar 18 is provided at the front edge thereof. Then, the top plate 1 and the sleeve portion 2 are connected to each other by the locking fitting 19 and the fastening tool 20.

The rear reinforcing member 16 of the top plate 1 is formed with locking holes 16A,..., And the lower surface of the front reinforcing member 17 is formed with daruma holes 17A,. And
The rear horizontal rail 9 has an insertion hole 21 formed at a position substantially corresponding to the locking hole 16A, while the front horizontal rail 18 has a position corresponding to the darma hole 17A formed at the front reinforcing member 17. , A tapered hole 22 which is depressed downward is formed.

The latch 19 is formed with two pairs of forward-facing hooks 23 which are engaged with the latch holes 16A at the upper and lower portions of both sides of the main body having a substantially U-shaped cross section. At the bases of the hooks 23, 23, the main body side plate is extended to form projections 23A, 23A, and at the rear extension of the main body, engaging claws 24 are formed to engage with the locking edges 21A at the rear edge of the insertion hole 21. are doing. Further, dowels 23B, 23B protrude from the distal ends of the rearward forward hooks 23, 23 so as to pass through the edge of the hole when inserted into the rear locking hole 16A to prevent the hook from coming off. The fastening device 20 is made of synthetic resin and is integrally formed, and has a headed pin 25 that fits into and engages with the darma hole 17A of the front reinforcing member 17 of the top plate 1, and has the front lateral side. The main body 26 has a main body 26 engaged with the tapered hole 22 formed in the crosspiece 18, and an elastic claw 27 elastically protruding from the main body 26 and engaging with the hole edge 22 </ b> A of the tapered hole 22.

Therefore, the lock 19 and the fastening 20
In order to attach the top plate 1 to the sleeve portion 2 by using
, Front hooks 23, 23 of locking fitting 19 are inserted into locking holes 16A,.
And temporarily fixed. At this time, first, the front facing hooks 23, 23 in front of the locking fittings 19 are connected to the corresponding locking holes 16.
A and 16A are inserted obliquely from below and then the front hooks 23, 23
Are forcibly inserted from the rear into the corresponding locking holes 16A, 16A. However, if the front hook 23 is inserted more than necessary into the locking hole 16A, the rear hook 23 is inserted into the locking hole 16A. There is a possibility that the edge of the front locking hole 16A may be deformed. However, the protrusion 23A restricts unnecessary insertion of the front hook 23, and the hole edge of the locking hole 16A prevents deformation. I have. In a state where the locking metal 19 is attached to the rear reinforcing member 16, the projection 23 </ b> A abuts on the lower surface of the rear reinforcing member 16, and the front hook 23 sandwiches the front hole edge of the locking hole 16 </ b> A. , So the locking bracket 1
9 has a high mounting strength to the rear reinforcing member 16. Here, it is also preferable that the projection 23A is set to be engaged with the locking hole 16A at the front edge. Next, as shown in FIG. 8, the headed pin 25 of the fastening device 20 is inserted from the large-diameter portion of the darma hole 17A formed in the front reinforcing member 17 of the top plate 1, and is slid sideways to attach the head. The pin 25 is locked to the small diameter portion and temporarily fixed. Then, as shown in FIGS. 5 and 7, in a state where the rear portion of the top plate 1 is lowered and the main body of the locking metal fitting 19 is inserted into the insertion hole 21, the engaging claw 24 is inserted.
Is inserted into the engaging edge 21A by being slid obliquely from the front and locked, and then the front part of the top plate 1 is pushed down, and
Of the body portion 26 into the tapered hole 22 of the sleeve portion 2, and the elastic claw 27 is prevented from engaging with the hole edge 22A of the tapered hole 22 to complete the mounting operation.

When the top plate 1 is attached to the sleeve 2,
As shown in FIG. 4, when the lower end of the rear reinforcing member 16 of the top plate 1 is pressed against the upper end of the fitting portion 12 of the cord receiver 6, there is play between the top plate 1 and the sleeve portion 2. Is not to occur.

Next, a second embodiment of the present invention will be described with reference to FIGS. In the present embodiment, as described above,
An opening 10 is formed in the upper end surface of the rear crossbar 9 of the sleeve 2,
A fitting part 12 having a U-shaped cross section, which is opened downward, of the cord receiver 6 made of synthetic resin is fitted to the lateral rod part 11 forward of the opening part 10 of the rear transverse rail 9 by external fitting. Fitting part 1 inside
2, a receiving portion 13 extending downward and extending rearward is located. Here, in the present embodiment, the cord receiver 6 is made of synthetic resin and is integrally formed.
The fitting portion 12 is formed on the front edge portion, and the flange portions 28 are formed on both sides.
The receiving portion 13 extending to 8, 28 is a box shape having a bottom surface 29 and a peripheral side surface 30 and opened upward.

More specifically, the rear cross rail 9 has a horizontal rod portion 11 and a horizontal rod portion 31 before and after the opening 10 and has connecting portions 32 on both sides. Has a front bent plate 11A which is bent downward at the front edge, and a rear bent piece 11B whose vertical dimension is smaller than the front bent plate 11A at the rear edge. The horizontal rod portion 31 is formed by bending a front bent plate 31A downward at the front edge, and the connecting portion 32 is formed at the rear portion near the opening 10 at the front edge. The portion 32A is formed. And
Fitting holes 33,... Are formed at predetermined intervals along the opening 10 on the upper surface of the horizontal
An engagement hole 34 is formed in each of 2A.

The fitting portion 12 of the cord receiver 6 is
The cross section has a substantially U-shaped cross-section that is open downward so as to be able to be externally fitted to the horizontal rod portion 11 of the rear horizontal rail 9 from above.
The front plate 12B extends downward from the front edge of the upper plate 12A, and the cross section L is lowered forward from the lower edge of the front plate 12B.
A letter-shaped engagement piece 12F extends, and a rear plate 12D extends downward from the rear edge of the upper plate 12A. The rear plate 12D is continuous with the peripheral side surface 30 of the receiving portion 13. An engaging ridge 12E having a triangular cross-section is formed on the front side of the rear plate 12D so as to prevent the rear bent piece 11B from slipping off. The horizontal rod portion 11 is fitted on the lower surface of the upper plate 12A. A dowel 35 with a head that is fitted into the mating hole 33 is formed so as to protrude therefrom. The engaging part 28A is formed at the rear part of the flange part 28 so as to fit into the paragraph part 32A so as to be stepped downward. Claw pieces 36 are formed to engage with the engaging holes 34 of the paragraph section 32A, respectively, and are further provided on the lower edge of the front bent plate 31A of the horizontal rod section 31 at the upper rear edge of the receiving section 13. An upward claw piece 37 to be locked is formed.

Then, the receiving portion 13 is inserted into the opening 10 from above while the front portion of the cord receiving device 6 is slightly lifted up, and an upward claw 37 is attached to the rear horizontal rod portion 31. After engaging with the lower edge of the front bent plate 31A, the front part of the cord receiver 6 is pushed down to fit the fitting part 12 to the front horizontal rod part 11 and simultaneously connect the flange parts 28, 28 to the connecting part. 32, 32, the engaging ridge 12E rides over the rear bent piece 11B and engages with the lower edge thereof, and the dowels 35 with the heads are fitted into the fitting holes 33,. The claw pieces 36, 36 of the flange portion 28 are engaged with the engagement holes 34, 3.
4 is engaged with the retaining member.

In this state, the movement of the cord receiver 6 in the lifting direction is completely restricted. Further, the space below the opening 10 is completely concealed by the box-shaped receiving portion 13, so that there is no danger that objects fall through the wiring duct 5 into the inside of the sleeve portion 2 and the space is pushed into the wiring duct 5. The extra cord can be accommodated in the receiving portion 13. Furthermore, when the top plate 1 is connected to the upper surface side of the sleeve portion 2 in the same manner as described above, the fitting portion 12 of the cord receiver 6 is provided between the rear cross rail 9 of the sleeve portion 2 and the rear reinforcing member 16 of the top plate 1. Since it is interposed in the pressed state, the top plate 1 can be connected without rattling.

[0026]

According to the above-described cord receiving structure in the sleeve wiring duct of the desk of the present invention, the following remarkable effects can be obtained.

According to the first aspect of the present invention, by providing the cord receiver made of synthetic resin, there is no danger of injury to the hand when the cord is inserted by inserting the hand into the wiring duct. Since the tool can be attached to the horizontal bar of the rear side rail of the sleeve simply by fitting the fitting from above, the assembly work is simplified, the structure of the sleeve is simplified, and the manufacturing cost is reduced. Reduction can be achieved.

According to claim 2, in addition to the above effects,
The space below the opening can be completely concealed, and the receiving portion is box-shaped with an open top, so that extra cords can be securely accommodated. This completely eliminates the risk of injury to the hand due to the edge of the rear rail during the wiring work.

According to the third aspect, the lower end of the reinforcing member behind the top plate is attached to the cord receiving portion when the top plate is attached to the sleeve portion by the engagement with the engagement metal fitting and the dropping engagement by the fastening tool. By pressing against the upper end of the fitting portion of the tool, even if the top plate is attached to the sleeve portion with one touch, it is possible to prevent rattling between the top plate and the sleeve portion.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a desk employing the present invention.

FIG. 2 is a partial perspective view showing a main part of the first embodiment of the present invention and showing a rear structure of a sleeve.

FIG. 3 is an overall perspective view of a cord receiver according to the present invention.

FIG. 4 is a partial sectional view of an assembled state showing a main part of the present invention.

FIG. 5 is an exploded perspective view showing a state before a top plate is attached to a sleeve.

FIG. 6 is an abbreviated exploded perspective view showing the mounting structure at the rear part in a partially broken manner.

FIG. 7 is a partial cross-sectional view showing a rear connection structure of a sleeve and a top plate.

FIG. 8 is an abbreviated exploded perspective view showing the mounting structure in the front part in a partially broken manner.

FIG. 9 is a partially cutaway perspective view of a cord receiver and a rear crosspiece showing a second embodiment of the present invention.

FIG. 10 is a partial sectional view of the same assembled state.

FIG. 11 is a partial cross-sectional view showing a fitting structure between a cord receiver and a side portion of a rear cross rail.

FIG. 12 is a partial cross-sectional view showing a fitting structure of a cord receiver and a front portion of a rear horizontal rail.

FIG. 13 is a partial sectional view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Top board 2 Sleeve part 3 Leg part 4 Curtain board 5 Wiring duct 6 Cord holder 7 Wiring duct cover 8 Wiring duct opening 9 Rear cross rail 10 Opening 11 Horizontal rod part 11A Front bent plate 11B Rear bent piece 11C Bottom Edge piece 11D Lower edge piece 12 Fitting portion 12A Top plate 12B Front plate 12C Engagement piece 12D Rear plate 12E Engagement ridge 12F Engagement piece 13 Receiving part 13A Front rising plate 13B Rear rising plate 14 Side plate 15 Back plate Reference Signs List 16 rear reinforcing member 16A locking hole 17 front reinforcing member 17A daruma hole 18 front horizontal rail 19 locking fitting 20 engaging device 21 insertion hole 21A locking edge 22 tapered hole 22A hole edge 23 forward hook 23A protrusion 23B dowel 24 engagement Claw 25 Headed pin 26 Body 27 Elastic claw 28 Flange 28A Engagement part 29 Bottom 30 Peripheral side surface 31 Horizontal rod 31A Front bent plate 32 Connecting part 32A Drop point 33 fitting hole 34 engaging hole 35 horses with the dowel 36 pawl 37 upward claw piece

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A47B 13/00 A47B 17/00

Claims (3)

(57) [Claims] 1. A top plate is attached to an upper end surface of a sleeve portion with a rear portion remaining, a curtain plate is connected to a rear surface of the sleeve portion, and a wiring duct is provided between a rear end of the top plate and an upper end of the curtain plate. An opening is formed in the upper end surface of the rear horizontal rail corresponding to the wiring duct, and a synthetic resin cord receiver is opened downward in a horizontal rod part ahead of the rear horizontal rail opening. A sleeve of a desk, wherein a fitting portion having a U-shaped cross section is externally fitted, and at least a space below the opening is concealed by a receiving portion extending downward and rearward at a rear portion of the fitting portion. Cord receiving structure in external wiring duct. 2. A receiving portion of the cord receiving member is a box-like shape having an open bottom having a bottom surface and a peripheral side surface, and a rear edge of the receiving portion is engaged with a horizontal rod portion behind an opening of a rear horizontal bar of the sleeve portion. 2. The cord receiving structure in a desk sleeve wiring duct according to claim 1, wherein the entire space below the opening is concealed. 3. A locking edge having an open front is formed on a rear side rail of the sleeve portion, and a locking hole provided in a reinforcing member provided laterally behind the top plate is provided so that the locking metal fitting is forwardly directed from behind. A hook is engaged and attached, and an engaging claw extending rearward of the locking metal is slidably inserted into the locking edge from diagonally forward and locked, and the front cross rail of the sleeve portion and the top plate are locked. In a state in which the reinforcing members provided laterally in front of each other are dropped and engaged with a fastening tool and attached, the lower end of the reinforcing member behind the top plate is pressed against the upper end of the fitting portion of the cord receiver. 3. A cord receiving structure in a sleeve wiring duct of a desk according to claim 1 or 2.