JP4319518B2 - Table with shelf - Google Patents

Description

  The present invention relates to a table with a shelf board in which a shelf board is attached below a top board of a work table used in, for example, an office or a hospital examination room, and more particularly to an improvement in a shelf board attachment structure.

In recent years, work tables used in offices such as offices have a good appearance and can be manufactured at a low cost, and many of them have been constructed with the top plate supported by legs made of extruded material. Yes. In this type of work table, there is also known a configuration in which a shelf board is provided below the top board. As a structure for attaching the shelf plate to the table, there has been proposed a technique in which an engagement hole is provided in a side portion of the leg, and an engagement claw of a bracket that supports the shelf plate is locked in the engagement hole ( For example, see Patent Document 1).
Japanese Unexamined Patent Publication No. 2000-245553 (FIGS. 9 and 10)

  However, in the above prior art, it is necessary to form an engagement hole in the leg after extrusion molding, which not only increases the number of processing steps and cost, but also when the shelf board is removed or the shelf board is not attached. The table has a problem that the engagement hole is exposed to the outside and the appearance is bad.

  In view of the above-mentioned problems of the conventional technology, the present invention can attach a shelf board at low cost without performing additional processing on the legs, and can stably and firmly support the shelf board. An object of the present invention is to provide a shelf-equipped table that has a good appearance.

According to the present invention, the above problem is solved as follows.
(1) In a table with a shelf board in which a top board is supported by a plurality of legs and a shelf board is attached below the top board, the opening edges are opposed to the opposed surfaces of a pair of legs facing each other. In this state, an engaging groove having a protruding piece protruding is provided, and the protruding piece is sandwiched between a plate nut inserted into the engaging groove and a supporting bracket that supports the shelf board, The support bracket is fixed by a screw screwed into the plate nut, and a descending prevention means for preventing the shelf plate from descending is provided.

(2) In the above item (1), one of the lowering prevention means is as follows. The bent portion provided at the upper end is fixed to the lower surface of the top plate, and the bent plate provided at the lower end is used to attach the shelf plate or the support bracket. The suspension member is designed to be received.

(3) In the above item (2), the hanging member is a decorative panel that covers one side surface between a pair of legs of the table.

(4) In any one of the above items (1) to (3), one of the lowering prevention means is provided on the upper and lower portions of the support bracket, and a pair of engaging claws that fit into the engaging grooves of the legs. To do.

(5) In any one of the above items (1) to (4), the width of the plate nut is made smaller than the opening width of the engaging groove, and the length is made larger than the width of the inner part of the engaging groove.

(6) In any one of the above items (1) to (5), one of the descending prevention means is a support provided between the floor on which the table is installed and the shelf board or the support bracket.

According to the present invention, the following effects can be achieved.
(a) According to the invention described in claim 1, since the plate nut inserted into the engagement groove of the pair of legs and the support bracket of the shelf board are fixed by screws, the legs of the extruded material are perforated. It is no longer necessary to perform additional processing such as, and the cost can be reduced. Also, when the shelf board is removed, there is no hole processing in the leg, so that the appearance is also improved. Further, the fall prevention means can prevent the shelf board from sliding down.

  (b) According to the invention described in claim 2, one of the descending prevention means is a hanging member whose upper end is fixed to the lower surface of the top plate, and the shelf plate is received at the lower end of the hanging member. With a simple structure, the shelf board can be prevented from sliding down and the shelf board from being bent.

  (c) According to the invention described in claim 3, since the hanging member is a decorative panel that covers the side surface of the table on the shelf side, there is no need to separately provide a hanging member, and the cost is reduced by reducing the number of parts. It can be reduced and the appearance is improved.

(d) According to the invention described in claim 4, one of the lowering prevention means is a pair of engaging claws provided in the upper and lower portions of the support bracket and fitted in the engaging groove of the leg, and the tip of the shelf plate When a downward load is applied to the part, the downward moment of the support bracket causes the upper and lower engagement claws to engage with different opposing edges of the engagement groove, preventing the support bracket from descending and increasing the strength against the load. Become bigger.
Moreover, rattling in the engaging groove of the support bracket can be prevented by fitting the engaging claw into the engaging groove of the leg.

  (e) According to the invention described in claim 5, the plate nut can be easily inserted into the engaging groove from the side of the leg, and by rotating the screw, the plate nut is slightly rotated to It can be easily engaged with the inside, and the assembly workability is improved.

  (f) According to the invention described in claim 6, the shelf board slides down by using one of the descending prevention means as a column provided between the floor on which the table is installed and the shelf board or the support bracket. Or the shelf board can be reliably prevented from bending.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a front view of a table with a shelf board provided with an embodiment of the present invention, and FIG. 2 is a plan view.

  As shown in the figure, the table (T) connects the four legs (1a) (1b) (1c) (1d) and the front and rear legs (1a) (1c) and (1b) (1d). A horizontal beam (2) (2) facing in the front-rear direction, a pair of connecting beams (3) (3) facing in the left-right direction connecting the horizontal beams (2), and the legs (1a) to (1d) ) And a top plate (5) attached to the upper part. The top plate (5) of the present embodiment has a non-rectangular shape in which the protruding portion (5a) is formed on the left side and the arc-shaped portion (5b) is formed on the front side. . A shelf board (6) is attached below the top board (5).

  3 is an exploded perspective view showing the shelf mounting structure, FIG. 4 is a sectional view taken along line IV-IV in FIG. 2, and FIG. 5 is a sectional view taken along line VV in FIG.

  As shown in FIGS. 3 to 5, there are four engagements on the outer periphery of the substantially cylindrical leg (1c) (the other legs (1a), (1b), and (1d) have the same structure). Joint grooves (7) are formed at equal intervals in the circumferential direction. Projecting pieces (8) inwardly facing each other are formed at the opening edge of each engaging groove (7). The engagement groove (7) may have a structure in which only one engagement groove (7) is formed on opposite sides of the front and rear legs (1a) and (1c).

  The support bracket (14) for mounting the shelf board (6) is bent at the upper and lower ends of the base plate (9) with the upper engagement claw (10) and the lower engagement claw (11) at right angles outward. The rear end edge is formed by bending the side engagement piece (12) outward at a right angle, and the front end edge is bent inward at a right angle. A support bracket (14) formed by bending forward at a right angle from the portion (13) is formed. The support bracket (14) is formed by forming a receiving plate (16) with holes (17) and (18) at the upper end edge of the vertical plate (15).

  As shown in FIG. 3, the plate nut (21) with the screw hole (20) engaged with the engaging groove (7) of the leg (1c) has a width smaller than the opening width of the engaging groove (7). The length is longer than the width of the back portion of the engagement groove (7), and the tapered surface (22) is formed at the upper and lower ends.

  A pair of upper and lower plate nuts (21) is held at the tip of the screw (23) and fitted into the engagement groove (7), and the upper engagement claw (10) and lower engagement of the support bracket (14) The plate nut (21) is engaged with the engagement groove (7) by fitting the claw (11) into the engagement groove (7) and screwing the screw (23) into the plate nut (21) from the hole (24) of the board (9). In (7), the screw (23) rotates in the direction of rotation (in the direction of arrow Y in FIG. 3), and the tapered surface (22) comes into contact with both side walls of the engagement groove (7) (position of chain line). Thereby, the board | substrate (9) of a support bracket (14) adheres to a leg (1c). The side engaging piece (12) of the substrate (9) is in contact with the outer peripheral portion of the leg (1c) to prevent the support bracket (14) from rotating in the direction of arrow X in FIG. When a load is applied to the support bracket (14), a rotational moment acts on the support bracket (14) with the screw (23) as a fulcrum, thereby causing the engaging claws (10) and (11) to be on opposite sides of each other. The portion and the projecting piece (8) mesh with each other, increasing the load bearing strength of the support bracket (14) and preventing the support bracket (14) from descending. A support bracket (14) having the same structure is also attached to the front leg (1a).

  As shown in FIG. 4, the shelf board (6) is placed on the receiving board (16). The suspension member (25) for receiving the shelf plate (6) is a plate-like member having bent portions (25a) and (25b) formed at the upper end and the lower end, and the rear end portion of the shelf plate (6) ( 6a) (see FIG. 5), the upper bent portion (25a) is fixed to the lower surface of the top plate (5) with screws (26), and the lower bent portion (25b) is a shelf plate (6 ) And the receiving plate (16) and the shelf plate (6) are fixed with screws (19) across the bent portion (25b). The shelf plate (6) is also fixed by screws (not shown) from the hole (18) at the tip of the receiving plate (16). The bent portion (25b) of the suspension member (25) is in contact with the lower surface of the receiving plate (16) of the support bracket (14) and supports the shelf plate (6) via the receiving plate (16). But you can.

  The hanging member (25) may be configured as a member dedicated to hanging, but a decorative panel that covers the side surface of the table on the shelf (6) side can also be used. Thereby, it is not necessary to provide a separate suspension member, the cost can be reduced by reducing the number of parts, and the appearance is improved.

  As described above, in the table with shelves of the present embodiment, the engagement grooves (7) are provided on the opposing surfaces of the pair of legs (1a) (1c) facing each other, and inserted into the engagement grooves (7). The support bracket (14) is fixed to the leg (1a) by sandwiching the protruding piece (8) between the plate nut (21) and the support bracket (14) of the shelf board (6) and tightening the screw (23). It is firmly fixed to 1c), and there is no need to perform additional processing such as hole drilling on the extruded material legs (1a) to (1d), the cost can be reduced, and the appearance is also good because there is no hole. . Further, since the support bracket (24) is received by the lower end of the suspension member (25) whose upper end is fixed to the lower surface of the top plate (5), the shelf board (6) slides down or bends. Can be prevented.

  In the above example, each of the hanging member (25) and the pair of upper and lower engaging claws (10) (11) serves as one of the lowering prevention means for preventing the lowering of the shelf board (6). Although one of them is omitted, or alternatively or in combination with them, the bottom surface and floor of the shelf board (6) or support bracket (24) as shown in FIG. (27) is provided with a column (28), and this column (28) is used as one of the descending prevention means to prevent the shelf plate (6) from sliding down or flexing. Good.

It is a front view of one embodiment of the present invention. Similarly, it is a plan view. Similarly, it is a disassembled perspective view which shows the attachment structure of a shelf board. Similarly, it is the IV-IV line expanded sectional view of FIG. Similarly, it is the VV line expanded sectional view of FIG.

Explanation of symbols

(1a) (1b) (1c) (1d) Leg
(2) Horizontal rail
(3) Connecting bar
(5) Top plate
(6) Shelf board
(6a) Rear end
(7) Engaging groove
(8) Protruding piece
(9) Board
(10) Upper engaging claw
(11) Lower engaging claw
(12) Side engagement piece
(13) Folding part
(14) Support bracket
(15) Vertical plate
(16) Back plate
(17) Hole
(18) Hole
(19) Screw
(20) Screw hole
(21) Plate nut
(22) Tapered surface
(23) Screw
(24) Hole
(25) Hanging member
(25a) Folding part
(25b) Bent part
(26) Screw
(27) Floor
(28) Prop

Claims (6)

In a table with a shelf board that supports the top board with a plurality of legs and has a shelf board attached below the top board,
Engagement grooves having projecting pieces projecting opposite to the opening edge portions are provided on opposing surfaces of a pair of legs facing each other, and a plate nut inserted into the engagement groove and the shelf board are supported. The support bracket is fixed by a screw screwed into the plate nut from the support bracket in a state where the projecting piece is sandwiched between the support bracket and a lowering prevention means for preventing the shelf plate from descending. A table with a shelf board.   One of the descent prevention means is a suspension member in which the bent portion provided at the upper end is fixed to the lower surface of the top plate and the shelf plate or the support bracket is received by the bent portion provided at the lower end. The table with a shelf according to claim 1.   The shelf-equipped table according to claim 2, wherein the hanging member is a decorative panel that covers one side surface between a pair of legs of the table.   4. One of the descent prevention means is a pair of engaging claws provided on the upper and lower portions of the support bracket and fitted in the engaging grooves of the legs. Table with shelf described.   The width of the plate nut is made smaller than the opening width of the engaging groove, and the length is made larger than the width of the back part of the engaging groove, according to any one of claims 1 to 4. Table with shelves. The shelf-equipped table according to any one of claims 1 to 5, wherein one of the descent prevention means is a support provided between a floor on which the table is installed and a shelf board or a support bracket. .

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