JP2885174B2 - Top board - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a top plate suitably used for a desk made of steel or the like.

[0002]

2. Description of the Related Art Conventionally, a top plate used for a desk made of steel or the like has a front wall formed on a front edge and a rear wall formed on a rear edge of a sheet metal upper plate by roll forming or the like. Generally, the side wall is joined to a side edge of the top plate by welding or the like. Then, in order to connect an auxiliary top plate to the side surface of the top plate or attach a side panel for blindfold, etc., a bolt insertion hole is drilled in the side wall thereof, and the bolt insertion hole is inserted into the inner surface of the side wall from the bolt insertion hole. Nuts for screwing bolts to be fixed are fixed in advance by welding or the like.

[0003]

By the way, recently, there has been a demand to bend a sheet metal material to form a side wall integrally with a top plate.
If a nut is welded to the inner surface of the side wall in advance, there is a problem that the nut hinders the press working, and the production becomes difficult.

[0004]

According to the present invention, in order to solve such a problem, not only a bolt insertion hole but also a nut member insertion hole is provided in a side wall of a top plate, and the nut is provided only when necessary. The distal end of a nut member having a screw hole can be inserted from the member insertion hole into the inner surface of the side wall.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION The top plate according to the present invention has an outer surface of a side wall.
A bolt can be used to attach another article via a side edge, and the side wall is provided with a bolt insertion hole and a nut member insertion hole for communicating between inside and outside of the side wall. In this case, the tip of the nut member having the screw hole is inserted through the nut member insertion hole and inserted into the inner surface of the side wall, and the screw hole can be aligned with the bolt insertion hole from the inside. It is characterized by the following.

[0006] The present invention can be particularly suitably used in a case where the top plate and the side wall constituting the top plate are integrally formed by bending a sheet metal material. Outside the side wall
Other products can be mounted on the side using bolts
The top plate as described above, wherein inside and outside of the side wall are provided on the side wall.
The bolt insertion hole and nut member insertion hole
The tip of the nut member with screw holes
Through the member insertion hole and inserted into the inner surface of the side wall,
The screw hole can be matched with the bolt insertion hole from inside.
The nut member used in the above-described structure and can be easily manufactured by press working or the like includes a flange portion locked on the outer surface side of the side wall, and a protrusion protruding from the flange portion and inserted into the nut member insertion hole. An extending portion extending from the extending end of the extending portion along the inner surface of the side wall in a bolt insertion hole direction, and a threaded hole is provided at a required portion of the distal end portion. Can be mentioned.

[0007]

FIG. 1 shows a desk 1 made of steel. The desk 1 has a top plate 2 supported by legs 3 and sleeves 4. As shown in FIG. 2, the top plate 2 has a decorative plate 6 made of melamine resin or the like adhered to an upper plate 5 made of sheet metal. Has a front wall (not shown) formed integrally therewith, and a rear wall (not shown) formed integrally with the rear edge. A side wall 7 is integrally formed on a side edge of the upper surface plate 5 by pressing or the like, and a side edge 8 made of a synthetic resin is mounted on an outer surface 7a of the side wall 7.

In such a desk 1, on the side wall 7,
A bolt insertion hole 9 for communicating the inside and the outside of the side wall 7 and a nut member insertion hole 11 are arranged side by side, and a distal end portion 14 of a nut member 13 having a screw hole 12 is passed through the nut member insertion hole 11 to thereby form the side wall. The screw hole 12 is inserted into the inner surface 7b side of the bolt 7 so that the screw hole 12 can match the bolt insertion hole 9 from the inside.

More specifically, the bolt insertion hole 9 is circular and is formed in the side wall 7 by press working or the like. The nut member insertion hole 11 has a vertically elongated slit shape and is also formed near the bolt insertion hole 9 by press working or the like. A recess 15 is formed in a portion of the side edge 8 corresponding to the bolt insertion hole 9 and the nut member insertion hole 11, and an upright wall 15 a forming the recess 15 is brought into close contact with the side wall 7. ing. The upright wall 15a of the recess 15 is provided with a through hole 15b substantially matching the bolt insertion hole 9 and a slit 15c substantially matching the nut member insertion hole 11. The recess 15 is closed by a removable lid 16 when not in use. Reference numeral 15d denotes a guide projection slidably engaged with the side groove 16a of the cover 16.

The nut member 13 has a flange portion 17 which is locked to the outer surface 7a of the side wall 7 via the upright wall 15a,
An extension 18 protruding from the flange 17 and extending into the nut member insertion hole 11, and extending from the extension end of the extension 18 to the bolt insertion hole 9 along the inner surface 7 b of the side wall 7. A screw hole 12 is provided at a required portion of the tip portion 14, and is integrally formed by pressing a metal plate material or the like.

FIGS. 2 to 8 show an example in which an auxiliary top plate 21 is mounted on one side of the top plate 2. FIG. That is,
First, as shown in FIGS. 2 and 4, the lid 16 of the side edge 8 is slid upward to be disengaged, and the concave portion 15 is opened. Thereafter, while pinching the flange portion 17, the distal end portion 14 of the nut member 13 is inserted into the inner surface 7b side of the side wall 7 through the slit 15c and the nut member insertion hole 11, and as shown in FIG. Rotate. Then, the tip end portion 14 is brought into contact with the inner surface 7 b of the side wall 7 so that the screw hole 12 provided in the tip end portion 14 matches the bolt insertion hole 9. In this state, the upright piece 22a of the bracket 22 for attaching the auxiliary top plate is positioned in the recessed section 15, and the tightening bolt 23 is attached to the upright piece 22a.
And a through hole 15b provided in the recess 15
Then, it passes through the bolt insertion hole 9 provided in the side wall 7 and is screwed into the screw hole 12 of the nut member 13. FIG. 7 is a plan sectional view showing a state in which the bolt 23 is screwed into the nut member 13 and tightened, and FIG. 8 is a sectional view showing the same state from the rear side. The auxiliary top plate 21 is placed on the horizontal piece 22c of the bracket 22 fixed to the side wall 7 of the top plate 2 in this manner.
And the auxiliary top plate 21 is fixed to the bracket 22 with the mounting bolts 24. When removing the auxiliary top plate 21, the above operation is performed in reverse, and the nut member 13 is
The nut 15 is removed from the nut member insertion hole 11 and
The cover 16 may be attached to the cover.

FIG. 9 shows an example in which a blind side panel 31 is erected on the upper side edge of the top plate 2.
In this case, after the tip portion 14 of the nut member 13 is brought into contact with the inner surface 7b of the side wall 7 of the top plate 2 in the same manner as described above,
A stepped bolt 32 having a neck portion 32c larger in diameter than the male screw portion 32a is screwed into the screw hole 12 between the male screw portion 32a and the head portion 32b. 32
The notch 34 provided on the leg 33 of the side panel 31 is detachably engaged with the neck 32c of the side panel 31.

The bolts to be screwed into the screw holes of the nut member are not limited to those for fixing the bracket for mounting the auxiliary top plate and for mounting the side panel. That is, the present invention can be similarly applied to a case where other various options are mounted.
Further, the material and shape of the nut member are not limited to those described above, and various modifications can be made without departing from the spirit of the present invention.

[0014]

According to the present invention having the above-described structure, the number of parts can be reduced as compared with a conventional one in which nuts are fixed in advance on a desk used without installing options. Thus, the structure can be simplified, and the man-hour required for welding the nut can be reduced to improve the production efficiency. Moreover, since it is not necessary to weld the nut to the side plate in advance, even if the side wall is integrally formed with the upper surface wall, there is no problem that the nut interferes with the bending process, and the general-purpose press equipment is used. It can be manufactured efficiently.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing one embodiment of the present invention.

FIG. 2 is a perspective view showing a main part of the embodiment.

FIG. 3 is a perspective view for explaining an assembling order showing the essential parts.

FIG. 4 is a cross-sectional plan view for explaining an assembling order showing the essential parts.

FIG. 5 is a cross-sectional plan view for explaining an assembling sequence showing the essential parts.

FIG. 6 is a plan cross-sectional view for explaining an assembling order showing the essential parts.

FIG. 7 is a cross-sectional plan view for explaining the assembling order showing the essential parts.

FIG. 8 is a sectional view taken along line AA in FIG. 7;

FIG. 9 is a perspective view corresponding to FIG. 3, showing a case where another option is mounted.

[Explanation of symbols]

 2 ... Top plate 5 ... Top plate 7 ... Side wall 7a ... Outer surface 7b ... Inner surface 9 ... Bolt insertion hole 11 ... Nut member insertion hole 12 ... Screw hole 13 ... Nut member 14 ... Tip 17 ... Flange 18 ... Extension 23 …bolt

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) A47B 13/00 A47B 13/08

Claims (3)

(57) [Claims] 1. A support other articles using bolts to the outer surface of the side wall
A top plate capable of being mounted via an id edge , wherein a nut insertion hole and a nut insertion hole for connecting the inside and outside of the side wall to the side wall are provided side by side, and a nut having a screw hole is provided. A top plate, wherein a top end of the member is inserted through the nut member insertion hole and inserted into the inner surface of the side wall, and the screw hole can be aligned with the bolt insertion hole from inside. 2. The top plate according to claim 1, wherein the top plate and the side wall constituting the top plate are integrally formed by bending a sheet metal material. 3. Use a bolt on the outer surface of the side wall to attach another article.
A top plate that can be mounted on the side plate,
Bolt insertion hole and nut for communicating the inside and outside of the side wall with the wall
Nut portion with screw holes, with member insertion holes arranged side by side
The tip of the material is passed through the nut
Insert the screw hole into the inner side of the wall and insert the screw hole into the bolt insertion hole.
The nut member is configured to be able to be fitted from the inside, the nut member is a flange portion locked on the outer surface of the side wall, an extension portion protruding from the flange portion and extending into the nut member insertion hole, A tip extending from the extension end of the extension in the direction of the bolt insertion hole along the inner surface of the side wall, wherein a screw hole is provided at a required portion of the tip. And the top plate.