JPH10155553A - Leg part structure for desk - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a leg part structure for assembling a desk by attachably and detabcably connecting one side edge of end rail except for its lower part to the rear end faces of leg parts and attachably and detabcably fitting a top board to the upper end face of leg parts with which the lower parts of leg parts uncovered with an end rail are made symmetric on left and right sides and the leg parts in the same structure can be used for both the left side and the right side in a steel desk capable of being assembled in a using site and rearranging lateral relation between right sleeve type and left sleeve type. SOLUTION: In this leg part structured for desk, a steel panel is bent so that its cross section can be almost U-shaped, and both bent plates 7A and 7B formed by inward bending their backward extended both terminal parts are overlapped and bonded at a rear end face 5. In that case, at the lower part exposed from an end rail 4, a terminal edge 8 of bent plate 7A positioned outside is set on the breadthwise center line of rear end face 5 and at the upper part hidden by the end rail, a terminal edge 9 of bent plate 7A positioned outside is set while being extended rather than the breadthwise center line of rear end face 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a desk leg structure, and more particularly, it is possible to dispose a leg having the same structure on both sides of a desk or on either side of the desk without a design defect. Related to the leg structure of a simple desk.

[0002]

2. Description of the Related Art Conventionally, in a steel desk which can be assembled at the site of use and can be rearranged, the legs are arranged on both left and right sides, or the legs are arranged on one side and the sleeves are arranged on the other side. In general, the rear end surfaces of these components are detachably connected by a curtain plate, and a top plate is detachably attached to the upper end surface. Except for the two-sleeve type desk, the one-sleeve type, right-sleeve type desk has legs on the left side, and the left-sleeve type desk has legs on the right side. There are various types of connection between the components, such as a structure in which the components are screwed and a structure in which the components are connected only by a fitting operation with one touch.

[0003] Normally, the legs of a steel desk are formed by bending a steel plate into a substantially U-shaped cross section, and bending both ends extending rearward inward to form a double bent plate at the rear end face. It is a structure fixed by spot welding, but in order to increase the joining strength of both bent plates, the edge of the outer bent plate is set to extend beyond the center line in the width direction of the rear end surface And
That is, since the center lines overlap, the vertical boundary formed by the edges of the outer bent plate is shifted left and right from the center line in the width direction of the rear end surface of the leg. For this reason, the left and right legs are asymmetrical in rear view, and conventionally two types of left and right legs have been prepared.

[0004] When attaching a curtain plate to the rear end face of the leg,
If the lower part of the leg is not completely covered with the curtain plate and the lower part of the leg is exposed on the back, if the conventional leg is used for both left and right, the aforementioned boundary line will be rightward or leftward and it will be unsightly There's a problem.

[0005]

SUMMARY OF THE INVENTION In view of the above-mentioned situation, the present invention is to solve a problem in a steel desk which can be assembled at a site of use and is capable of rearranging the right and left sleeve type and the left and right type. A leg structure for detachably connecting one side edge of the curtain plate to a rear end surface of the leg except for a lower portion thereof, and removably attaching a top plate to an upper end surface of the leg portion to assemble a desk; Another object of the present invention is to provide a desk leg structure in which the lower portion of the leg not covered with the left and right sides is symmetrical, and the leg of the same structure can be used for both left and right.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, according to the present invention, one side edge of a curtain plate is detachably connected to a rear end surface of a leg except for a lower portion thereof. It is a leg structure that assembles a desk by detachably attaching a top plate to
A lower portion exposed from the curtain plate when a steel plate is bent into a substantially U-shaped cross-section, and both bent plates formed by bending both ends extending rearward inward are overlapped and joined at a rear end surface. In the above, the edge of the bent plate located on the outside is set to the width direction center line of the rear end face, and the edge of the bent plate located on the outside is hidden by the width center of the rear end face in the upper part hidden by the curtain plate. A desk leg structure that is extended beyond the line is constructed.

Further, a stepped portion is formed on the inner bent plate at the rear end surface, and an outer bent plate is overlapped and joined to the stepped portion to form an outer surface of the inner and outer bent plates facing the rear end surface. Being set flush, a headed connecting pin for detachably connecting the curtain plate, penetrating both folded plates located on the center line in the width direction above the rear end face and located inside and outside It is preferable to use screws.

[0008]

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 according to the present invention, and FIGS. 2 to 5 show main parts of the present invention.
Denotes a top plate, 2 denotes a leg, 3 denotes a sleeve, and 4 denotes a curtain.

In the desk according to the present invention, the top plate 1 is shown on the upper end surfaces of the leg 2 and the sleeve 3 with the leg 2 and the rear end 5 of the sleeve 3 connected by the curtain plate 4. It is of a structure that can be easily attached with one touch by using a plurality of locking fittings and attachments that are not used.

As shown in FIGS. 2 to 4, the leg 2 according to the present invention has a grounding leg 2B extending forward at the lower end of the leg plate 2A and a support rod extending forward at the upper end of the leg plate 2A. 2C is a fixed structure. The legs 2 are symmetrical except for the rear end face 5. And the leg plate 2A
Is formed by bending a steel plate into a substantially U-shaped cross-section, and bending the ends of both side plates 6 and 6 extending rearward inwardly to form both bent plates 7 and 7 on the rear end surface 5. It is the structure which joined.
Here, out of the two bent plates 7, 7, the bent plate 7 overlapping on the outside is defined as "7A", and the bent plate 7 overlapping on the inside is defined as "7B". When the curtain plate 4 is connected to the rear end surface 5 of the leg 2, the lower edge of the rear end surface 5 exposed from the curtain plate 4 connects the edge 8 of the bent plate 7 </ b> A located outside to the rear end surface 5. Of the bent plate 7A located outside on the rear end face 5 concealed by the curtain plate 4.
Is extended beyond the center line in the width direction of the rear end face 5, that is, set at a position where the center line overlaps.

A stepped portion 10 is formed in the rear end face 5 at a portion where the inner bent plate 7B overlaps the outer bent plate 7A, and the outer bent plate 7A is formed on the stepped portion 10. The outer surfaces of the inner and outer bent plates 7A and 7B facing the rear end face 5 are set to be flush. That is, the lower portion of the rear end face 5 of the leg plate 2A that is not hidden by the curtain plate 4 is formed symmetrically on the outer shape. On the other hand, the curtain 4
The upper part of the rear end face 5 of the leg plate 2A hidden by the
In order to increase the strength of the inner and outer bent plates 7A and 7B, a large overlapping margin is provided.

A connecting pin 11 with a head for detachably connecting the curtain plate 4 is connected to both folding plates 7A, 7 located on the center line in the width direction above the rear end face 5 and located inside and outside.
B is penetrated and fixed with screws 12. Here, the connection pin 11 with a head is composed of a small-diameter neck 11A and a head 11A.
B, the head 11B is formed with a recess 11C for accommodating the head of the screw 12, and an insertion hole 11D for the screw 12 that passes through the neck 11A from the recess 11C. The screws 12,... For attaching the connecting pin 11 with the head to the rear end face 5 of the leg plate 2A are also used for fixing the inner and outer bent plates 7A, 7B in a superposed state.
Spot welding spots in this portion can be reduced.
The connecting pin 11 with the head is provided with the inner and outer bent plates 7A, 7B.
, The mounting strength is high.

On the other hand, on both side edges on the front side of the curtain plate 4,
Dharma holes 13 are formed to receive and engage the headed connecting pins 11,. The dharma hole 13 has a large-diameter portion 13A at the lower portion into which the head 11B of the headed connecting pin 11 can be inserted, and a small-diameter portion 13B at the upper portion to lock the neck portion 11A, and these communicate vertically. It was done.
That is, in order to connect the curtain plate 4 to the rear end face 5 of the leg 2, the head 11 </ b> B of each connection pin 11 with a head is connected to each of the daruma holes 1.
After being inserted into the large-diameter portion 13A, the curtain plate 4 is slid downward to engage the small-diameter portion 13B with the neck 11A. Here, in order to more reliably maintain the connection state between the leg portion 2 and the curtain plate 4, it is necessary to restrict the upward movement of the curtain plate 4. In the present embodiment, FIGS. As shown in the figure, a triangular dowel 1 having a steep locking end at the lower end is provided on the outer bent plate 7A on the center line in the width direction of the rear end face 5 of the leg 2.
4 are formed, and an engaging hole 15 or an engaging concave portion for receiving and locking the triangular dowel 14 in a connected state of the leg 2 and the curtain plate 4 is formed.

FIG. 6 shows another means for restricting the upward movement of the curtain plate 4 with respect to the leg 2. That is, with the cap 18 fitted to the open portion 17 at the end of the upper edge 16 of the curtain plate 4 removed, the upper end surface 1 of the leg plate 2A is removed.
The upper end of the curtain plate 4 is restricted by the regulating plate 20 which is screwed to the rear end portion 9 by projecting the distal end portion 20A to the opening 17 and restricting the upward movement thereof. Here, a notch 21A for engaging the tip 20A of the regulating plate 20 is formed in the protruding piece 21 raised at the front edge portion facing the opening 17 of the curtain plate 4, and the notch 21A of the regulating plate 20 is formed. The leading end 20A is fitted into the notch 21A to restrict the upward movement of the curtain plate 4 and at the same time
Also regulates the lateral displacement of Further, the regulating plate 2
0 is provided with a mounting hole 2 for mounting a support (not shown) of a desk panel standing on the rear edge of the top plate 1.
0B.

FIG. 7 shows a modification of the structure shown in FIG. 6 as still another means for restricting the upward movement of the curtain plate 4 with respect to the leg 2. That is, the regulating plate 2
A projection 20C is formed on the lower surface of the front end portion 20A of the “0”, and the projection 20C is engaged with an opening 21B provided on the upper surface of the protruding piece 21, thereby restricting the lateral displacement of the curtain plate 4. Other structures are the same as described above.

Thus, if the leg 2 having the structure according to the present invention is used, even if the desk is of the right-sleeve type shown in FIG. 8A, or the desk of the left-sleeve type shown in FIG. Even if there is, it can cope by sharing the leg 2 of the same structure. That is, as shown in the figure, the lower part of the rear end face 5 of the leg 2 is symmetrical even when viewed from the back of the desk, so that the design is unified. Especially,
With a desk of the type in which the legs 2 and 2 having the same structure are arranged on both sides of the top plate 1, the effect is remarkably exhibited.

[0017]

According to the leg structure of the desk of the present invention as described above, the lower part of the leg which is not covered by the curtain plate in rear view is made symmetrical, so that the leg of the same structure can be designed. Left and right can be used without deteriorating the performance, and cost reduction can be achieved by reducing the number of parts. In addition, the upper portion of the rear end surface of the leg portion hidden by the curtain plate has a large overlap between the inner and outer bent plates, so that the structural strength of the leg portion can be improved.

Further, a stepped portion is formed on the inner bent plate at the rear end surface of the leg portion, and the outer bent plate is overlapped and joined to the stepped portion to form an inner and outer bent plate facing the rear end surface. By setting the outer surface to be flush, the lower part of the rear end surface of the leg that is not hidden by the curtain plate can be made almost completely symmetrical.

Furthermore, a connecting pin with a head for detachably connecting the curtain plate is screwed by penetrating both bent plates located on the center line in the width direction on the upper part of the rear end face and located inside and outside. In addition, the number of spots where the inner and outer bent plates are to be welded together can be reduced, the number of manufacturing steps can be reduced, cost can be reduced, and the connecting pin with a head is fixed to the overlapping portion of the two bent plates. Therefore, the mounting strength becomes extremely high.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a desk using a leg according to the present invention.

FIG. 2 is an exploded perspective view showing a main part of the present invention.

FIG. 3 is a side view of a leg.

4 is a partial cross-sectional view of a leg plate portion of the leg, FIG. 4 (a) is a cross-sectional view taken along line XX of FIG. 3, and FIG. 4 (b) is a cross-sectional view taken along line YY of FIG.

FIG. 5 is a partial cross-sectional view showing a state in which a curtain is connected to a leg.

FIG. 6 is a perspective view of a main part showing another means for restricting upward movement of a curtain plate.

FIG. 7 is a perspective view of a main part showing still another means.

FIGS. 8A and 8B are rear views of a desk constituted by using the legs of the present invention, wherein FIG. 8A shows a right-sleeve type desk and FIG. 8B shows a left-sleeve type desk.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Top plate 2 Leg part 2A Leg plate 2B Grounding leg 2C Support rod 3 Sleeve part 4 Curtain plate 5 Rear end surface 6 Side plate 7 Bending plate 7A Outside bending plate 7B Inside bending plate 8 Edge 9 Edge 10 Step drop Part 11 Connection pin with head 11A Neck 11B Head 11C Recess 11D Insertion hole 12 Screw 13 Dharma hole 13A Large diameter part 13B Small diameter part 14 Triangular dowel 15 Engagement hole 16 Upper edge 17 Opening 18 Cap 19 Upper end face 20 Regulator plate 20A Tip 20B Mounting Hole 20C Projection 21 Projection 21A Notch 21B Opening

Claims (3)

[Claims] 1. A leg structure in which a side edge of a curtain plate is detachably connected to a rear end surface of a leg portion except a lower portion thereof, and a top plate is detachably attached to an upper end surface of the leg portion to assemble a desk. When the steel plate is bent into a substantially U-shaped cross section, and both bent plates formed by bending both ends extending rearward inward are overlapped at the rear end surface and joined together, from the curtain plate. In the exposed lower part, the edge of the bent plate located outside is set to the width direction center line of the rear end face, and in the upper part hidden by the curtain plate, the edge of the bent plate located outside is set to the rear end face. A desk leg structure characterized by being set so as to extend beyond the center line in the width direction. 2. A stepped portion is formed on an inner bent plate at the rear end surface, and an outer bent plate is overlapped and joined to the stepped portion to form an outer surface of an inner and outer bent plate facing the rear end surface. 2. The desk leg structure according to claim 1, wherein the legs are set flush. 3. A connecting pin with a head for detachably connecting the curtain plate is screwed by penetrating both bent plates located on the center line in the width direction on the upper portion of the rear end face and located inside and outside. The leg structure of a desk according to claim 1 or 2.