JP2643719B2 - desk - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a top panel supported by a side panel having an elongated base portion and a body portion erected on one half of the base portion on the side opposite to the use surface. It is about a desk that has been made.

[0002]

2. Description of the Related Art Conventionally, a side panel of a desk of this kind has a continuous gap between the lower edge of the body and the base, which communicates with the inside of the body. It is formed in a connected state. The base portion is formed in the shape of a U-shaped cross section by sheet metal, and a slit is provided on the upper wall thereof, and a plurality of tongue pieces protruding from the lower surface of the body portion become narrower in tip end side. In this structure, the tip portion is inserted into the slit, and the body is rigidly attached to the base.

[0003]

However, in such a configuration, the base portion has a U-shape whose cross section is downward, so that when a large load is applied in the lateral direction, the side wall portion is inclined. In some cases, it was transformed into a parallelogram, and could not function as a leg. When the base portion is made of a thick sheet metal, the strength is improved, but the weight of the side panel is increased, making it difficult to handle.

[0004] An object of the present invention is to solve such a problem.

[0005]

The present invention employs the following configuration to achieve the above object.

That is, the desk according to the present invention comprises a base portion having an elongated channel material shape before and after being placed on the floor surface, and a body portion erected on one half of the base portion on the non-use surface side. A desk configured to support a top plate by a side panel comprising: a slit that opens in a lateral direction in an upper wall of the base portion; A plurality of tongue pieces that are substantially the same as the internal method in the direction are provided, and these tongue pieces are inserted into the base portion from the slits, and the base end of the tongue pieces is rigidly attached to the inner surface of the upper wall , and both sides
The end surface is in contact with the inner surface of the base portion .

When importance is placed on the support strength of the base portion,
The base portion has an outer wall member having a U-shaped cross section having the slit and an opening at a position corresponding to at least the slit on the lower surface, and both side walls are superimposed on the inner surfaces of both side walls of the outer wall member. An inner wall member having a U-shaped cross section disposed in the outer wall member, and a pair of front and rear brackets disposed on outer surfaces near both end portions of the inner wall member, each of an overlapped inner wall member and outer wall member Preferably, the side walls are joined by spot welding, and an adjuster in contact with the floor is mounted on the bracket.

Similarly, when importance is attached to the support strength of the trunk, the trunk is formed by a structural member formed of a thick sheet metal;
It is preferable that the tongue piece is formed by extending the lower end of the structural member, the outer member being made of a thin sheet metal that is superposed on the outer surface of the structural member to form the outer shape of the trunk.

[0009]

With such a configuration, the width of the plurality of tongues protruding from the lower surface of the body is substantially the same as the widthwise inner dimension of the base, so that these tongues are formed in the base. , The both end surfaces of the tongue piece abut against the inner surface of the base portion. This is substantially equivalent to the arrangement of the plurality of ribs in the base portion, so that the strength of the base portion against a lateral load is increased. Therefore, the lateral load at which the base portion is deformed can be increased, and the reliability as a leg is improved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

As shown in FIGS. 1 to 4, this desk supports a top plate 1 with left and right side panels 2 and a front panel 3 between the front edge portions of both side panels 2.
Are connected by

As shown in FIGS. 2 to 5, the side panel 2 has a base portion 5 mounted on a floor F via an adjuster 4, and a body portion erected on the tip side of the base portion 5. 6 and
An arm portion 7 extending from the upper end of the body portion 6 to the use surface side
And plays a role as a leg supporting the top plate 1 as a whole.

As shown in FIGS. 5 to 9, the base 5
An outer wall member 51 having a downward U-shaped cross section as a channel material shape, and both side walls 52b are connected to both side walls 5 of the outer wall member 51.
1b, an inner wall member 52 having a U-shaped cross section, which is disposed inside the outer wall member 51 by being superposed on the inner surface of the inner wall member 52,
And a pair of front and rear brackets 53 provided with female screw holes 53e in a thick flat plate fixed to the lower surface of the lower wall 52a at the front and rear ends. The superimposed side walls 51b and 52b of the outer wall member 51 and the inner wall member 52 are joined by spot welding, and the adjuster 4 in contact with the floor surface F is mounted on the bracket 53. More specifically, the outer wall member 51 is made of sheet metal having an upper wall 51a and left and right side walls 51b, and a lower edge 51c of the side wall 51b is bent inward. The inner wall member 52 includes a lower wall 52a.
And left and right side walls 52b having substantially the same height dimensions as the outer wall member 51. The side wall 52b is closely adhered to the inner surface of the side wall 51b of the outer wall member 51, and The lower wall 52a is provided with a through hole 52c for reducing the weight. A notch 51d is formed at the lower edge of the front end and the lower edge of the rear end of both side walls 51b of the outer wall member 51.
51e is formed, and the lower wall 52a of the inner wall member 52 is raised inward accordingly.
The brackets 53 are respectively attached to the raised portions from below. The bracket 53 is made of a thick flat plate, and is provided with a female screw hole 53e functioning as a nut at a substantially central portion thereof.

The ends 51t and 52t of the outer wall member 51 and the inner wall member 52 are both open to the outside. Then, an electrode (not shown) is inserted from the ends 51t and 52t, and the outer wall member 5 is superimposed as described above.
Each of the side walls 51b and 52b of the inner wall member 52 and the inner wall member 52 is joined by spot welding. The bottom wall 53a of the bracket 53 is provided with the female screw hole 53e and the rotation preventing hole 53d adjacent to each other. The adjuster 4 is provided on the lower surface of the bracket 53.
The adjuster 4 includes a fixing member 41 having a cylindrical external thread 41b on a disk-shaped substrate 41a, and the external thread 41b.
And a cap-nut-shaped movable adjusting member 42 screwed to the outer periphery of the bracket 53. , The fixing member 41 is
It is attached to. The substrate 41a is integrally provided with a projection 44 for preventing rotation, and the projection 44 is fitted into the rotation preventing hole 53d of the bracket 53.

As shown in FIGS. 4 and 7, the body 6 is an exterior member made of a thin sheet metal which forms the outer shape of the body 6, an inner side wall 61, an end wall 62 on a use surface side, and an outer side. Wall 63
And an end wall 64 on the non-use surface side. A thick sheet metal connecting the inner side wall 61 and the outer side wall 63 is provided near and in the middle of each of the end walls 61 and 64. Partition walls 65 and 66 made of a structural member formed by
Further, the lower surface has a bottom wall 68. Inner wall 61
The partition wall 66 is depressed and divided in the direction of the outer wall 63, and a groove 6a for wiring insertion is formed in the divided portion. Further, a synthetic resin cover 6b can be detachably attached to the open end of the concave groove 6a. The end wall 62 on the use surface side is bulged in an arc shape with a flat cross section, while the inner wall 61, the outer wall 63, and the end wall 64 on the non-use surface side are flat. And each partition 6
Tongues 65z, 66z having substantially the same width dimension as the distance between the inner surfaces of the side walls 52b of the inner wall member 52 of the base part 5, that is, the tongues 65z, 6
Tongue pieces 67z smaller than 6z are integrally provided.

That is, these tongue pieces 65z, 66z
Is set so that the base side 65zk and 66zk are slightly narrower than the width dimension of the base portion 5, and the distal side 65zk
s and 66zs are set so that the width dimension is substantially equal to the inner dimension between the inner surfaces of the side walls 52b of the inner wall member 52 of the base section 5, and the length dimension is about 8 minutes of the height dimension of the base section 5. Have been. The bottom wall 68 is provided so as to be located between the partition walls 65 and 66, and has a bulging portion 68a in the middle thereof corresponding to the base end sides 65zk and 66zk of the tongue pieces 65z and 66z in a front view. Have. And this bottom wall 68
Has mounting pieces 68b fixed to the inner surface of the inner wall 61 and the inner surface of the outer wall 63 on both sides thereof, and has tongues 68z bent downward at both front and rear ends of the bulging portion 68a. . The tongue piece 68z is superposed on the base side 65zk, 66zk of the tongue piece 65z, 66z. Then, these tongue pieces 65z, 66z, 67z, 68z are formed by slits 54, 55 formed in the upper wall 51a of the base 5,
The tongue pieces 65z, 66z, 67z, 68z are rigidly attached to the lower surface of the upper wall 51a via a welding joint 57, until the bottom wall 68 comes into contact with the upper wall 51a.
That is, each of the slits 54 and 55 is
z and 66z are opened equally to the width dimension of the base portion 5 to the dimensions corresponding to the width dimension of the tip side 65zs and 66zs, and the tip side 65zs and 66zs of the tongue pieces 65z and 66z are together with the tongue piece 68z of the bottom wall 68 It is designed to be easily inserted. The slit 56 has a size corresponding to the width of the tongue piece 67z. And these tongue pieces 65
In a state where z, 66z, 67z, and 68z are rigidly attached to the base portion 5, the bulging portion 68a of the bottom wall 68 of the body portion 6 comes into close contact with the upper wall 51a of the base portion 5, and the lower edge of the body portion 6 A continuous gap C remains between the base 6c and the base portion 5.
In addition, through-holes 68c are formed on both side edges of the bottom wall 68 of the body portion 6.
The gap C is communicated with the internal space S of the body 6 through the through hole 68c.

Then, a base cover 8 is mounted on the base portion 5. The base cover 8 has a first cover portion 81 having a downward U-shaped cross section that covers a half portion on the use surface side of the base portion 5, and an upward U-shaped cross section that covers one half portion on the non-use surface side. And a second cover 83. More specifically, the first cover portion 81 includes an upper wall 81a, left and right side walls 81b, and an end wall 81c that covers the use surface side end portion 51t of the base portion 5 and is made of synthetic resin. Are integrally formed. Then, the first cover portion 8
1 with the edge 81at of the upper wall 81a.
2 is inserted into the gap S between the lower edge 62a and the base portion 5, and between the first cover portion 81 and the base portion 5, the first cover portion 81 moves to the use surface side. , The first
An elastic engaging portion 82 is provided to prevent the use surface side end portion 81d of the cover portion 81 from lifting up. Elastic engaging part 82
Is a notch 82a provided on the inner surface of the side wall 81b of the first cover portion 81, and a notch 8 provided on the lower edge of the side walls 51b, 51b of the base portion 5 and having a width corresponding to the claw 82a.
2b, the claw 82a is engaged with the corresponding notch 82b by utilizing the elastic deformation of the side wall 81a. The side wall 8 of the cover 81
1b is also provided with a claw 82c that engages with the notch 51d located forward of the notch 82b. On the other hand, the second cover 83 has an opening 83 for the adjuster 4 at the rear end.
d and a left and right side wall 83b, and are integrally formed of a synthetic resin. A bent piece 83 bent inward is provided on the upper edge of the side wall 83b.
c are integrally formed, and the bent piece 83c is
The gap S between the base portion 5 and the trunk portion 6 by utilizing the elastic deformation of
Is attached to the base portion 5. Thus, the gap C between the base portion 5 and the body portion 6 is the first
Edge 81at of the cover portion 81 of the second cover portion 83
And the bent piece 83c.

With such a configuration, before the base cover 8 is mounted, the lower edge 6
A continuous gap C communicating with the internal space S of the body 6 is formed between the base c and the base c. Therefore, even if the solution enters the internal space S of the body 6 in the painting process or the like, the solution easily flows out through the gap C. That is, the gap C is formed by the lower edge 6c of the body plate 6.
Is open toward the entire area around the side panel 2 so that even if the side panel 2 is inclined, for example,
The solution flows out from the gap C opening on one side of the side panel 2, and air enters the body 6 from the gap C opening on the other side of the side panel 2. For this reason, the solution in the body 6 quickly flows out. Therefore, it is possible to effectively prevent a problem that an unnecessary solution remains in the body 6 for a long period of time and promotes rust inside. Then, at the completion stage, since the gap C is closed by the base cover 8 as described above, there is no problem in appearance.

Each of the tongue pieces 65z, 66z is
Since the width of the base portion 5 is substantially the same as that of the base portion 5, when the base portion 5 is inserted through the slits 54 and 55 and rigidly attached to the base portion 5, it is substantially equivalent to the rib formed inside the base portion 5. The structure is identical. Therefore, even if the base portion 5 receives an excessive lateral load, when the base portion 5 starts to deform, the side end surfaces of the tongue pieces 65z and 66z abut against the inner surface of the side wall 51b of the base portion 5, The deformation of the base part 5 is prohibited. Therefore, the base portion 5 is not deformed, and the rigidity can be increased by the tongue pieces 65z and 66z.

Further, if the end wall 62 on the use surface side of the body 6 is bulged in a partially arc shape, the appearance of the body 6 can be made excellent. The bulged end wall 62 conceals the edge 811 at of the first cover portion 81 that constitutes one half of the use surface of the base cover 8, and prevents the cover portion 81 from rising. In this case, even if the base cover 8 is composed of two easily assembled cover portions 81 and 83, the seam is not unsightly exposed to the outside and the cover portion 8 is not easily exposed.
It is possible to reliably prevent the end portions of the first and second members from bulging or floating.

As described above, when the edge 81at of the first cover portion 81 on the non-use surface side is inserted below the end wall 62 of the body portion 6 to prevent its lifting, The movement of the first cover portion 81 toward the use surface between the cover portion 81 and the base 5 portion and the movement of the first cover portion 81
The base cover 8 is securely attached to the base portion 5 without using a special fastening tool or the like only by providing the elastic engagement portion 82 for preventing the use surface side end portion 81d from floating. It is possible to keep.

In particular, the elastic engaging portion 82 has a width corresponding to the claw 82a provided on the inner surface of the side wall of the first cover portion 81 and the claw 82a provided on the lower edge of the side wall 51b of the base portion 5. With the cutout portion 82b, the elastic engaging portion 82 can prevent the end portion 81d of the cover portion 81 from being lifted on the working surface side, and at the same time, the cover portion 81 can To prevent the end edge 81at on the non-use surface side from coming off the end wall 62 of the body portion 6 can be effectively prevented.

Further, if the base portion 5 has a pipe structure including the outer wall member 51 and the inner wall member 52 as described above, the base portion 5 is resistant to bending and twisting.

The structure for mounting the base cover on the base portion is not limited to the above-described structure, and may be, for example, as shown in FIGS. 14 and 15. . That is, the elastic engaging portion 282 of this embodiment is configured such that the use surface side end wall 81c of the first cover portion 81 is used.
And an engagement hole 282c provided in the upper wall 52a of the inner wall member 52 of the base portion 5, and the elastic claw is provided with an elastic claw 282b having an undercut portion 282a on the upper surface thereof. 282b is the upper wall 8 which is a downward horizontal surface.
The engaging hole 282c is elastically engaged with the engaging hole 282c from the lower surface side of 2a. In this case as well, the edge 81at on the non-use surface side of the first cover portion 81 is connected to the base portion 5
Of the upper wall 51a and the end wall 62 swelling in a partial arc shape of the body 5
To prevent the cover portion 81 from swelling or floating upward. 282
d is a cavity necessary for molding the undercut portion. With such an elastic engaging portion 282, the effect that the first cover portion 81 can be securely attached can be obtained, and furthermore, the cover portion 81 can be formed more easily. . That is, according to such a configuration, only by providing the single elastic engaging portion 282, the cover portion 81 is prevented from moving to the use surface side and the cover portion 8 is prevented from moving.
1 can be prevented from coming off the end wall 62 of the body 6. Therefore, the first cover portion 81 can be securely attached to the base portion 5, and the complexity of the mold used for molding the cover portion 81 and the press die for manufacturing the base portion 5 can be prevented. Becomes easier.

[0025]

According to the present invention having the above configuration, the following effects can be obtained. First, since the width dimension of the plurality of tongues projecting from the lower surface of the body portion is substantially equal to the transverse inner size of the base portion, when their tongues are rigidly attached is inserted into the base portion, the tongue Both sides of the piece are base
Will be in contact with the inner surface, substantially becomes equivalent to a plurality of ribs disposed on the base, opposite end surfaces of the tongues when the deformation of the base portion begins to occur more in the base of the inner surface
Since the base is strongly contacted and the deformation of the base is prohibited, the strength against the lateral load is increased, and the lateral load at which the base is deformed can be increased, and the reliability as a leg can be improved.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a side view of the embodiment.

FIG. 3 is an exemplary perspective view showing the inside of the desk with the top plate of the embodiment omitted;

FIG. 4 is a sectional view taken along the line PP in FIG. 1;

FIG. 5 is a side view showing a lower end portion of the side panel of the embodiment with a base cover and an adjuster omitted.

FIG. 6 is a bottom view showing the lower end of the side panel of the embodiment with a base cover and an adjuster omitted;

FIG. 7 is a perspective view showing the lower end of the side panel of the embodiment.

FIG. 8 is an exploded perspective view showing a lower end portion of the side panel of the embodiment.

FIG. 9 is an exemplary front view illustrating a lower end portion of the side panel according to the embodiment, omitting a base cover and an adjuster;

FIG. 10 is a bottom view showing the first cover unit of the embodiment.

FIG. 11 is an exemplary plan view showing a second cover unit according to the embodiment;

FIG. 12 is a sectional view taken along line QQ in FIG. 2;

FIG. 13 is a sectional view taken along line RR in FIG. 2;

FIG. 14 is a partial side sectional view of a first cover portion showing another embodiment of the present invention.

FIG. 15 is a partial bottom view of a first cover showing another embodiment.

FIG. 16 is a perspective view of an elastic claw of a first cover portion showing another embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Top plate 2 ... Side panel 4 ... Adjuster 5 ... Base part 6 ... Trunk part 51 ... Outer wall member 51b ... Side wall 52 ... Inner wall member 52a ... Upper wall 52b ... Side wall 53 ... Bracket 54, 55, 56 ... Slit 65z, 66z , ... tongue piece 65zk, 66zk ... base end

Claims (3)

(57) [Claims] 1. A side panel comprising: a base portion having an elongated channel material shape before and after being placed on a floor surface; and a body portion erected on one half portion of the base portion on a side opposite to a use surface. A desk which is adapted to support a top plate by providing a slit which opens laterally in an upper wall of the base portion, and a width dimension on a lower surface of a body portion is substantially the same as a lateral inner method of the base portion. When a plurality of tongue pieces are provided, the tongue pieces are inserted into the base portion from the slit, and the base end of the tongue piece is rigidly attached to the inner surface of the upper wall.
In both cases, the both end surfaces of the tongue piece abut against the inner surface of the base portion.
Desk, characterized in that it is caused. 2. A base portion comprising: an outer wall member having a U-shaped cross section having the slit; and an opening at a position corresponding to at least the slit on a lower surface, and both side walls are formed on inner surfaces of both side walls of the outer wall member. An inner wall member having a U-shaped cross section disposed in the outer wall member by being superimposed, and a pair of front and rear brackets disposed on outer surfaces near both ends of the inner wall member, and the superposed inner wall member and 2. The desk according to claim 1, wherein each side wall of the outer wall member is joined by spot welding, and an adjuster in contact with a floor surface is attached to the bracket. 3. A torso comprising a structural member formed of a thick sheet metal and an exterior member formed of a thin sheet metal formed on an outer surface of the structural member to form an outer shape of the torso. 3. The desk according to claim 1, wherein the lower end of the structural member is formed to extend.