JPH03247313A - Desk - Google Patents

Abstract

PURPOSE:To make the title desk more convenient by locating the end plate parts of horizontal frame members and a drawer, in the same height and level; and to make the appearance of the title desk more attractive by forming all of them in continuous shape. CONSTITUTION:A top board 4 has a reinforcing crosspieces 42 parallel to the border on the side to be used at the interior thereof, and each of leg columns 1 is located in a standing state so that a corner part at the undersurface of the top board 4 can be held by a corner block 2. Horizontal frame members 3 are formed between the corner blocks and are fixed to the top board 4. Only the horizontal frame member 3 on the border of the side to be used is, however, cut near both ends thereof, and the central part thereof is eliminated, and the horizontal frame members 3 are thus separated right and left. A drawer 6 has an end plate part 61 held between the horizontal frame members 3 on the border of the side to be used, which are separated right and left. In addition, the vertical dimension of its end plate part is set almost at the same value as that of the horizontal frame members.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a desk of a type in which a top plate is supported by a plurality of leg supports, and which is suitably used in an office or the like. It is.

[Prior Art] Conventionally, as this type of desk, one in which the top plate is supported horizontally by a plurality of leg supports installed on the lower surface of the top plate is known.

However, in the conventional structure, in order to prevent each leg support from tilting and loss of support rigidity, the lower ends of the leg support are connected by a crosspiece or a plate.

[Problems to be Solved by the Invention] However, with such a structure, the beams and plates get in the way, so it can only be used from a certain side, and its usage is limited to a narrow range. There is a problem with putting it away.

In order to deal with this problem, a corner block is fixed at the upper end of each leg support, and these corner blocks are configured to support the bottom corner of the top plate, and each corner block is connected to a horizontal frame. These horizontal frame materials support the middle part of the lower surface of the top plate, thereby preventing downward deflection of the top plate and tilting of the leg supports, and ensuring the rigidity of the entire desk. It is possible to do so.

However, when a drawer is provided in a desk with such a configuration using a normal method, it is necessary to arrange the drawer so that the mirror portion is located further below the horizontal frame member. As a result, a problem arises in that the drawer protrudes downward, which tends to cause trouble in use.

The present invention aims to solve all of these problems.

[Means for Solving the Problems] In order to achieve the above objects, the present invention takes the following measures.

That is, the desk according to the present invention includes a top plate, leg supports, corner blocks, horizontal frame members, and a drawer, and the top plate has internal walls parallel to its edges for use. The leg supports are arranged in an upright manner so as to support a portion of the lower surface of the top plate through the corner blocks, and the horizontal frame members are constructed between the corner blocks. It is fixed to the top plate, and only the horizontal frame material on the edge side is separated into left and right by cutting off the middle part.
The drawer is provided with a mirror section inserted between the horizontal frame members on the used edge side separated into left and right sides, and the vertical dimension of the mirror section is approximately the same as the vertical dimension of the horizontal frame material. It is characterized in that it is set to a value of .

In order to make the connection between the corner block and the horizontal frame particularly strong, the corner block is provided with a horizontal insertion rod that is inserted into the horizontal frame, and the inner surface of the horizontal frame is provided with inwardly tapered surfaces on both sides. A horizontal groove is formed with a horizontal groove, and the horizontal insertion rod is provided with a protrusion having an outwardly tapered surface that engages with the inwardly tapered surface, and the protrusion is tightened and pushed into the horizontal groove by a fastener. It is better to let Alternatively, conversely, a protrusion having an outwardly tapered surface on both sides is horizontally formed on the inner surface of the horizontal frame material, and a horizontal groove having an inwardly tapered surface that engages with the outwardly tapered surface is formed on the horizontal insertion rod. may be provided, and the protrusion may be tightly pushed into the horizontal groove by a fastener.

[Function] With this configuration, the horizontal frame material and the mirror portion of the drawer are arranged at the same height, so there is no fear that the drawer will get in the way. Moreover, since the vertical dimensions of the horizontal frame material and the mirror part of the drawer are approximately equal,
It is possible to make the horizontal frame material and the mirror part continuous, and it is easy to improve the appearance and increase the value as furniture. Seventh, the top plate has internal reinforcing bars that are parallel to the edge used, so even if the horizontal frame material on the edge side is divided into left and right and drawers are placed, the top plate will not tilt downward. This can prevent the image from becoming easily visible.

[Example] Hereinafter, an example of the present invention will be described with reference to FIGS. 1 to 16.

As shown in FIGS. 1 to 3, corner blocks 2 are provided at the upper ends of four leg supports 1, and a horizontal frame member 3 is constructed between the adjacent corner blocks 2. The lower corner portion of the top plate 4 is supported via the corner block 2.

As shown in FIGS. 4 and 5, the leg support 1 has a cavity S formed inside by a pair of side walls 11 and a pair of connecting walls 12 and 13 that connect these side walls 11. It is pipe-shaped and is made by extrusion molding from aluminum or other materials. A first inwardly tapered surface 14 that widens toward the other filling wall 13 is formed on the inner side of the both side walls 11 near one of the joining walls 12 . Further, a second inwardly tapered surface 15 that widens toward the other connecting wall 13 is provided on the inner side of the both side walls 11 at a portion closer to the other connecting wall 13 . The expansion angle of the second inwardly tapered surface 15 is set to be smaller than the expansion angle of the first inwardly tapered surface 14.

The both side walls 11 are curved so that the center portions bulge outward, and the outer edges 11a of the both side walls 11 extend further outward than one of the joining walls 12. , its side wall 1
A concave groove 16 is formed by one extending edge 11a.

The corner block 2 is made of zinc die-casting, for example, and as shown in FIGS. 2, 6, and 7, it meets orthogonally with a leg joint 21 that continues flush with the leg support 1. The horizontal frame material 3 is integrally formed with pipe joint portions 22 that are continuous and flush with each other. The leg joint 21
A vertical insertion rod 21a is integrally protruded from the lower surface of the pipe joint 22, and horizontal insertion rods 22a extending in the direction of the adjacent corner block 22 are provided from the end surface of the pipe joint 22. . As shown in FIG. 4, the vertical insertion rod 21a has the first inwardly tapered surface 14 of the leg support 1.
a first outwardly tapered surface 23 that is parallel to and adjacent to the second inwardly tapered surface 15 with a small gap C therebetween; a second outwardly tapered surface 24 that is in close contact with the second inwardly tapered surface 15; and one of the connecting walls 12.
A screw hole 25 is provided opposite to. This vertical insertion rod 21a is connected to the leg support 1 using bolts 26. That is, one connecting wall 12 of the leg support 1
Two bolts 26 are passed through each at a required interval, and each bolt 26 is screwed into a screw hole 25 provided in the vertical insertion rod 21a. In that state,
These bolts 26 are tightened by pulling the vertical insertion rod 21a in the direction of one of the connecting walls 12, as shown in FIG.
3 is also brought into close contact with the first inwardly tapered surface 14.

The horizontal frame material 3 is constructed between the corner blocks 2 and fixed to the top plate 4, and only the horizontal frame material 3 on the edge U side of the desk is as shown in FIGS. 1 and 3. Then, the middle part was removed and separated into left and right parts. Each horizontal frame material 3 is
As shown in FIGS. 2 and 9, a horizontal upper wall 31, an inner wall 32 hanging down from the inner edge of the upper wall 31, and a portion continuous from the lower edge of the inner wall 32 to the outer edge of the upper wall 31. It is pipe-shaped, comprising a cylindrical outer wall 33 and a mounting wall 34 extending horizontally inward from an intermediate position of the inner wall 32, and the inner wall 32 has an inwardly tapered surface on both sides. A horizontal groove 32b having a groove 32a is formed. On the other hand, as shown in FIG. 2, the horizontal insertion rod 22a is inserted into the horizontal frame material 3 along the inner wall 32 of the horizontal frame material 3, and is fitted into the horizontal groove 32b. It has a protrusion 27, and the protrusion 27 is formed with an outwardly tapered surface 27a that engages with the inwardly tapered surface 32a. Further, this horizontal insertion rod 22a is provided with a screw hole 28 that opens toward the inner wall 32, and a single bolt 29, which is a fastener, is passed through the inner wall 32 and screwed into this screw hole 28. , the outwardly tapered surface 27a becomes the inwardly tapered surface 3.
The corner block 2 and the horizontal frame member 3 are fixed by pressing the protrusion 27 into the horizontal groove 32b. Incidentally, on the outer edge of the corner block 2, a groove 21b continuous to the groove 16 of the leg support 1 is formed, as shown in FIGS. 6 to 8.

A common cover 5 is removably attached to this groove 21b and the groove 16 of the leg support 1. cover 5
is the cross section U, as shown in FIGS. 1, 5, and 8.
It is made of synthetic resin and is formed by integrally molding a main body 51 having a letter shape and engaging legs 52 protruding from both edges of the main body 51. The engaging legs 52 are formed by utilizing the elastic deformation of the member. It is adapted to engage with the opening edge of the groove 16.21b.

As shown in FIGS. 1, 2, 9, and 10, the top plate 4 includes a peripheral core material 41 made of a lumper core, and square pipes arranged parallel to the used edge U side and the rear edge side. An upper core material 44 and a back plate 45 are attached to the upper and lower surfaces of a reinforcing bar 42 made of steel and a filler 43 made of a paper core placed between these reinforcing bars 42. A surface material 46 is attached to the upper surface of the core material 44. A stepped portion 4a is formed on the lower surface of the peripheral edge portion of the top plate 4, and the lower surface of the thin peripheral edge portion 4b is brought into contact with the upper wall 31 of the horizontal frame member 3. ing.

Then, by screwing the holes 47 that penetrate the mounting wall 34 of the horizontal frame material 3 from below into the nuts 48 buried in the thick part 4C of the top plate 4, the top plate 4 can be turned into a corner block. 2, and the horizontal frame member 3 is fixedly attached to the top plate 4.

An edge material 49 made of synthetic resin is attached to the entire circumference of the top plate 4.

A drawer 6 is provided on the lower surface 4d side of the top plate 4 of such a desk, as shown in FIGS. 1, 3, and 13.

The drawer 6 has a sharp part 61 inserted between the horizontal frame members 3 on the side of the use edge U separated into left and right, a bottom plate 63 formed integrally with the left and right side plates 62, and a sharp part 61 disposed on the side of the use edge U. The vertical dimension S1 of the sharp portion 61 is set to approximately the same value as the vertical dimension S2 of the horizontal frame material 3. As shown in FIG. 11, the sharp portion 61 includes a horizontal upper wall 61a, a locking wall 61b hanging from the inner edge of the upper wall 61a, and a portion continuing downward from the outer edge of the upper wall 61a. It is made of synthetic resin and includes a cylindrical outer wall 61c and a hand groove 61d provided in the outer wall 61c. Then, the upper wall 61a and the locking wall 61b are fitted onto the upper end portion of the back frame member 64, and the lower end portion is brought into close contact with the lower surface of the bottom plate 63, so that the sharp portion 61
is fixed to the back frame material 64. As shown in FIG. 3, end caps 7 are attached to both left and right ends of the sharp portion 61. As shown in FIGS. 13 to 15, this end cap 7 is made of synthetic resin and has a hook 7b and a rotation inhibiting portion 7c integrally protruding from the inner surface of an arcuate side wall 7a. By fitting and inserting the rotation inhibiting portion 7c into the inner surface of the sharp portion 6 and hooking the locking claws 7a to the left and right inner surfaces 64a of the back frame member 64, it can be attached to and detached from both left and right ends of the sharp portion 61. It is attached to. In addition, as shown in FIG. 16, a minute notch 7d is provided at the base end of the latch claw 7a, and the notch 7d
By folding the latching claw 7a, the end cap 7 can be attached to the open end of the horizontal frame member 3 placed on the use edge U side. As shown in FIG.
A rail mechanism 8 provided between the drawer e and the side plate 62 of the drawer 6 allows it to slide back and forth.

With this configuration, the horizontal frame material 3 and the sharp part 61 of the drawer 6 are placed at the same height, so there is no fear that the drawer 6 will get in the way, ensuring ease of use. can be increased. Moreover, since the vertical dimension S2 of the horizontal frame material 3 and the vertical dimension S1 of the sharp portion 61 of the drawer 6 are approximately equal, the horizontal frame material 3 and the sharp portion 61 are in a continuous form. . Therefore, the appearance becomes neat and good, and the value as furniture can be effectively increased. Seventh, since the top plate 4 has a parallel reinforcing bar 42 built into the edge U, the drawer 6 can be placed by dividing the horizontal frame 3 on the side U of the edge U into left and right. ,
The top plate 4 does not easily bend downward, and the supporting rigidity of the entire desk can be maintained at a high value, increasing durability.

In addition, the horizontal insertion rod 2 of the corner block 2 is attached to the horizontal frame material 3.
2a, the outwardly tapered surface 27a of the ridge 27 and the inwardly tapered surface 32B of the horizontal groove 32b provided on the inner surface of the horizontal frame tFA'3 are engaged, and the two bolts are tightened. These tapered surfaces 27a and 32a are brought into close contact with each other by the tightening force of the bolt 29. Therefore, even if some dimensional error or tolerance exists between the horizontal insertion rod 22a of the corner block 2 and the horizontal frame member 3, it is possible to firmly connect them without rattling. therefore,
According to such a device, it is possible to reliably prevent the leg supports 1 from tilting without connecting the lower end sides of the adjacent leg supports 1 with crosspieces, plates, etc., and the rigidity of the entire desk can be increased to a high value. can be maintained.

As a result, not only can the structural parts and the number of man-hours for processing and assembling the structural parts be reduced, but also the appearance becomes neater, and the value of the furniture can be effectively increased. Furthermore, since there is no need to provide a crosspiece or a plate on the lower end side of the leg support 1, the desk can be used from all sides, improving usability.

In the above embodiment, a horizontal groove with an inwardly tapered surface was provided on the inner surface of the horizontal frame material, and a protrusion with an outwardly tapered surface was provided on the horizontal insertion rod of the corner block. You can do it the other way around. That is, the 17th
As shown in the figure, an outwardly tapered surface 1 is formed on the inner surface of the horizontal frame material 3.
32a and a protrusion 132b, and the horizontal insertion rod 22a of the corner block 2 is provided with a horizontal groove 127 having an inwardly tapered surface 127a. Then, the horizontal insertion rod 22a of the corner block 2 is inserted into the inner surface of the horizontal frame material 3, and a bolt (not shown) passing through the horizontal frame material 3 is screwed into the screw hole 28 provided in the horizontal insertion rod 22a. At the same time, insert the protrusion 132b of the horizontal frame material 3 into the horizontal groove 127 of the horizontal insertion rod 22a.
By tightening and pushing in the bolts, the bolts can be firmly joined together without rattling with the tightening force of the bolts, and the rigidity of the desk can be maintained at a high value. As a result, as mentioned above, the number of structural parts can be reduced, making it possible to create a desk with a cleaner and better appearance.

Usability can be improved. Note that parts corresponding to those in FIG. 2 are denoted by the same reference numerals in the drawings, and description thereof will be omitted.

[Effects of the Invention] According to the present invention having the above-described configuration, the horizontal frame material and the mirror part of the drawer can be arranged at the same height position, so that the drawer does not get in the way and is easy to use. We can provide you with a desk.

Moreover, the horizontal frame member and the mirror portion can be made continuous. Therefore, the appearance can be made neat and good, and the value as furniture can be effectively increased. In addition, the top plate has reinforcing bars parallel to the used edge to increase its rigidity, so even if the horizontal frame material on the used edge is divided into left and right parts and drawers are placed, the top plate will remain stable. There is no tendency for it to bend downward.

In addition, when the horizontal insertion rod provided on the corner block is inserted into the horizontal frame material, and the protrusion is tightly pushed into the horizontal groove using a fastener, the corner block and the horizontal frame material are joined. , these bonds can be made particularly strong. Therefore, tilting of the leg supports can be reliably prevented without connecting the lower end sides of adjacent leg supports with crosspieces, plates, etc., and the rigidity of the entire desk can be maintained at a high value. As a result, an excellent desk with a neat appearance can be obtained, and the usability can be effectively improved.

[Brief Description of the Drawings] Figures 1 to 16 show an embodiment of the present invention, with Figure 1 being a partially exploded perspective view, Figure 2 being an exploded perspective view, and Figure 3 being an overall perspective view. Figures 4 and 5 are cross-sectional views showing the joint between the leg support and the corner block, Figure 6 is a plan view of the corner block, Figure 7 is a cross-sectional view taken along the line ■-■ in Figure 6, 8r<i is a partial plan view showing the joint part between the corner block and the horizontal frame material, Figure 9 is a cross-sectional view showing the joint part of the top board, and Figure 10 is an east side p partially showing the inside of the top board.
>3. Figure 11 is a side sectional view of the drawer, Figure 12 is a front sectional view showing the rail mechanism, Figure 13 is a plan view showing the two + part of the drawer, Figure 14 is a front view of the end cap, and Figure 14 is a front view of the end cap. FIG. 15 is a plan view of the end cap reversed by 90 degrees, and FIG. 16 is an enlarged view of section A in FIG. 15. 17th
This figure is a perspective view corresponding to FIG. 2 showing another embodiment of the present invention. 1...Leg support 2...Corner block 3
...Horizontal frame material 4...Top plate 6...Drawer
22a...Horizontal insertion rod 27...Protrusion
27a...Outward tapered surface 29...Fixing tool (bolt) 32a...Inward tapered surface 32b...Horizontal groove 42...Reinforcement bar 127...
・Horizontal groove 127a...Inward tapered surface 132a...Outward tapered surface

Claims (1)

[Claims] 1. A desk comprising a top plate, leg supports, corner blocks, horizontal frame members, and a drawer, wherein the top plate is provided with internal reinforcement parallel to its edge in use. The leg support is arranged upright so as to support the lower corner portion of the top plate through the corner block, and the horizontal frame member is installed between the corner blocks and fixed to the top plate. Only the horizontal frame material on the used edge side is separated into left and right by cutting off the middle part, and the drawer has a mirror section inserted between the horizontal frame materials on the used edge side that are separated into left and right sides. A desk comprising the following: The vertical dimension of the mirror part is set to approximately the same value as the vertical dimension of the horizontal frame material. 2. The corner block is provided with a horizontal insertion rod that is inserted into the horizontal frame material, and a horizontal groove having an inwardly tapered surface on both sides is formed on the inner surface of the horizontal frame material, and the horizontal insertion rod is provided with a horizontal insertion rod that is inserted into the inside of the horizontal frame material. Claim 1 characterized in that a protrusion having an outwardly tapered surface that engages with the inwardly tapered surface is provided, and the protrusion is tightly pushed into the horizontal groove by a fastener.
The desk mentioned. 3. A corner block is provided with a horizontal insertion rod to be inserted into the horizontal frame material, and a protrusion having an outwardly tapered surface on both sides is horizontally formed on the inner surface of the horizontal frame material, and a horizontal insertion rod is provided on the horizontal insertion rod. 2. The desk according to claim 1, further comprising a horizontal groove having an inwardly tapered surface that engages with the outwardly tapered surface, and a fastening device to force the protrusion into the horizontal groove.