JPH1136574A - Collapsible working table - Google Patents

Abstract

PROBLEM TO BE SOLVED: To parallelly collapse a working table body to reduce the containing space, by connecting rotatably all of a scaffold plate, front and rear supports, upper and lower reinforcing members constituting the working table body and making it possible to fold upward the upper reinforcing members. SOLUTION: All of a scaffold plate 2, front supports 3, rear supports 4, lower reinforcing members 6, and upper reinforcing members 7 are rotatably connected to constitute a working table body 1 made of aluminum alloy. A plurality of treads 5 are provided in the inclined front supports 3. Joints are provided at the middle of the upper reinforcing members 7 connecting diagonally the scaffold plate 2 and the front supports 3 so as to make deformable upward the members and shape an inverted V-form and so as not to make deformable downward them. Accordingly, the working table body 1 can be parallelly folded to reduce the containing space by folding the upper reinforcing members 7 to shape an inverted V-form. The lower ends of trap handrails 8, right and left scaffold handrails 9, and rear scaffold handrails 10 are detachably inserted in handrail receives 33 of the working table body 1 and bolted with connecting metal tools 34 so as to be disassembled on containing them.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a folding workbench.

[0002] In this specification, front and rear, left and right, and up and down refer to FIG. 2, the left in FIG. Shall be.

[0003]

2. Description of the Related Art Conventionally, a folding workbench includes a scaffold plate, left and right front supports having upper ends rotatably attached to the scaffold plate, and left and right rear portions having upper ends fixed to the scaffold plate. 2. Description of the Related Art There is known a worktable body having a workbench main body including a support column and a reinforcement member whose both ends are rotatably attached to a front column and a rear column, and the reinforcement member can be folded in two.

[0004]

In the conventional folding work table, the work table can be folded by folding the reinforcing member and bringing the lower end of the front column closer to the lower end of the rear column. In addition, the folded shape has a triangular shape with each side of the scaffold plate, the front strut and the rear strut, and requires a large storage space, which is inconvenient especially when storing a plurality of worktables.

[0005] It is an object of the present invention to provide a folding workbench that can reduce the storage space.

[0006]

Means for Solving the Problems and Effects of the Invention A folding workbench according to the present invention comprises a scaffold plate, left and right front struts and left and right rear struts whose upper ends are rotatably attached to the scaffold plate. A left and right lower reinforcing member having both ends rotatably attached to the front support and the rear support, and a left and right upper reinforcement having both ends rotatably mounted to the scaffold and the front support. And the upper reinforcing member is capable of being folded in two.

According to the folding workbench of the present invention, the upper reinforcing member is folded in two, the scaffold is rotated with respect to the front support, and the rear support is rotated with respect to the scaffold. By bringing the lower end of the rear strut closer to the lower end of the strut, it can be folded compactly.

The upper end of the front post is attached to the scaffold plate via a scaffold plate mounting bracket, and the rear end of the scaffold plate mounting bracket and the scaffold fixed to the upper end of the front post with the rear portion projecting rearward. It is preferable that the plates and the scaffolding plate are foldable so that the plates and the scaffolding plate are parallel to each other by being rotatably connected to each other. In this way, the workbench body can be folded so that the front strut, the scaffold plate, and the rear strut are parallel, and the folded workbench body is stacked on top of the folded workbench body. This makes it possible to save space even when storing a plurality of worktables.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 5 show a folding workbench according to the present invention.

The foldable work table is made of an aluminum alloy, and has a rectangular scaffold plate (2), left and right inclined front supports (3) for supporting the front edge of the scaffold plate (2), and a front support ( The left and right rear supports (4), which are inclined more vertically than the 3) and support the rear edge of the scaffold plate (2), the middle of the left and right front supports (3) and the left and right rear supports (4). Left and right lower reinforcements passed between the lower ends
(6), the upper end of the left and right front supports (3) and the scaffold
(2) Left and right upper reinforcements passed between the rear edge
(7) A worktable body (1) comprising:

A plurality of steps are provided between the left and right front supports (3).
The left and right rear casters (4) are provided with left and right casters (11) at the lower ends of the left and right rear supports (4).

The scaffold plate (2) comprises a scaffold plate main body (2a) and scaffold plate fittings (12) provided on both left and right sides thereof. The upper half of the scaffolding plate (12) has a body
(12a) are formed, and the left and right edges of the scaffold plate main body (2a) are fitted therein. The front edge of the scaffolding plate (2) is received by the uppermost step (5) which is held between the upper ends of the left and right front supports (3). The rear edge of the scaffold (2) is rotatably attached to the upper end of the rear support (4). The lower half of the scaffolding sheet metal (12) is cut out so as not to interfere with the uppermost step (5).

At the upper ends of the left and right front supports (3), a plate-like scaffold plate mounting bracket (13) is fixed with its rear portion protruding rearward. The front end of the lower half of the scaffold plate (12) is rotatably mounted on the base.

In the middle of the left and right front struts (3), a plate-like lower reinforcing member mounting bracket (14) is fixed with its rear portion protruding rearward. , Lower reinforcement (6)
Is rotatably mounted at its upper end. At the lower ends of the left and right rear struts (4), a lower reinforcing member mounting bracket (14) of the same shape is fixed with its front part protruding forward, and is fixed to the front part of this bracket (14). The lower end of the lower reinforcing member (6) is rotatably mounted. Left and right lower reinforcement (6)
A reinforcement cross member (15) is interposed between the upper end portion and the lower end portion.

Near the upper ends of the left and right front supports (3), a plate-like upper reinforcing member mounting bracket (16) is fixed with its rear portion protruding rearward. ) On the inner surface near the rear end of the lower half of the
(16) is fixed.

The upper reinforcing member (7) has a lower end at the front support (3).
The front support column-side reinforcing piece (7a) rotatably attached to the upper reinforcing material mounting bracket (16) on the side, and the upper reinforcing material mounting bracket (16) at the upper end on the scaffold plate (2) side. It comprises a scaffold plate-side reinforcing piece (7b) rotatably mounted. Front support side reinforcement piece
The upper end of (7a) and the lower end of the scaffold plate-side reinforcing piece (7b) are overlapped so that the front column-side reinforcing piece (7a) is on the outside,
The left and right overlapping portions are connected by a connecting member (17). As shown in FIG. 4, the connecting member (17) has left and right ends formed in through holes provided at the upper end of the front pillar side reinforcing piece (7 a) and the lower end of the scaffold plate side reinforcing piece (7 b). It consists of a loosely inserted pipe (18) and a navel rivet (19) driven into the end opening of the pipe (18), whereby the front strut side reinforcing piece (7a) and the scaffold plate side reinforcing piece (7b) Are rotatably connected to each other by a connecting member (17).

The scaffold plate-side reinforcing piece (7b) has an inverted J-shape in vertical section, and the front support column-side reinforcing piece (7a) and the scaffold plate-side reinforcing piece (7b).
At the connecting portion with (7b), the top of the scaffold plate side reinforcing piece (7b)
(20) is arranged so as to oppose the front-column-side reinforcing piece (7a) from above. Reinforcement piece (7a) on the front strut side and reinforcement piece (7
The deformation that the upper reinforcement (7) becomes V-shaped from the state where (b) is straightened is that the top part (20) of the scaffold plate side reinforcement piece (7b) becomes the front pillar side reinforcement piece (7a). It is blocked by contact from above. On the other hand, the front pillar side reinforcement piece (7a) and the scaffold plate side reinforcement piece
(7b) and the upper reinforcing material (7)
The top of the scaffolding plate side reinforcing piece (7b)
(20) and the front column side reinforcing piece (7a) do not engage,
The upper reinforcement (7) can be folded in the direction of the inverted V-shape.

In the above description, a junction (21) between the front edge of the scaffold plate (2) and the front strut (3) and a junction (21) between the rear edge of the scaffold plate (2) and the rear strut (4) 22), front strut (3) and lower stiffener (6)
(23), junction between the rear strut (4) and the lower reinforcement (6) (24), junction between the front strut (3) and the upper reinforcement (7) (2
5), and the joint (26) between the scaffold (2) and the upper reinforcement (7)
Are all pin nodes.

Therefore, the upper reinforcing member (7) is folded in an inverted V shape in the middle thereof, and the rear edge of the scaffolding plate (2) and the lower end of the lower reinforcing member (6) are both connected to the front support (3). ), The scaffold plate (2) and the rear support (4) become substantially straight, and the workbench body (1) can be folded (see FIG. 5). Here, the joint (21) between the front edge of the scaffold plate (2) and the front strut (3) is located behind the center line of the front strut (3), so that the scaffold plate (2) The front struts (3) are not inverted V-shaped but parallel to each other. As a result, the front strut (3) is parallel to the scaffolding plate (2) and the rear strut (4),
(6) between the front strut (3) and the rear strut (4)
(7) fits between the front support (3) and the scaffold (2), respectively, and the workbench body (1) is compactly folded. The total length of the scaffold (2) and the rear support (4) is longer than the length of the front support (3), and
In (1), the lower end position of the front support (3) is higher than the lower end position of the rear support (4). Therefore, when the folded workbench bodies (1) overlap each other, the front supports (3)
The caster (11) can be accommodated in a space below the lower end of the caster.

The foldable work table includes left and right ramp handrails (8) provided along left and right front supports (3), and a scaffold plate.
It further includes a left and right scaffolding handrail (9) and a rear scaffolding handrail (10) provided so as to surround (2) from left, right, and three directions.

The ramp handrail (8), the left and right scaffold handrails (9) and the rear scaffold handrail (10) are formed by square pipes, and the top of the ramp handrail (8) is parallel to the front support (3). Inverted U-shaped, left and right scaffold handrails (9) and rear scaffold handrails (10)
Has an inverted U-shape with a horizontal top. Left and right scaffolding handrail
(9) and rear scaffolding handrails (10) are each reinforced cross members (31)
In addition, a skirting board (32) is held at lower ends of the left and right scaffolding handrails (9) and the rear scaffolding handrails (10).

At the lower and upper ends of the front support (3),
The handrail receiver (33) that receives the lower end of the ramp handrail (8) is fixed, and the lower ends of the left and right scaffolding handrails (9) are attached to the upper end of the front support (3) and the upper end of the rear support (4). The receiving handrail receiver (33) of the same shape is fixed. The lower end of each handrail (8) (9) (10) is fitted into the handrail receiver (33), and the stopper (36) fixed to the lower end of each handrail (8) (9) (10) is By contacting the upper surface of (33), each handrail (8) (9) (10)
It is detachably attached to 3). The rear scaffolding handrail (10) is fixed to the left and right scaffolding handrails (9) by bolts on the connecting fittings (34).
It is detachably attached to (9). Therefore, each handrail (8), (9), (10) can be disassembled, and can be stored compactly as shown in FIG.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a folding workbench according to the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is an enlarged view of a main part of FIG. 2;

FIG. 4 is a sectional view taken along line III-III in FIG. 3;

FIG. 5 is a diagram showing an exploded state of the folding workbench according to the present invention.

[Explanation of symbols]

 (1) Workbench body (2) Scaffolding plate (3) Front support (4) Rear support (7) Upper reinforcement (13) Scaffolding plate mounting bracket

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tadashi Hachisuka 7-23-4 Ebie, Fukushima-ku, Osaka-shi Hasegawa Industry Co., Ltd.

Claims (2)

[Claims] 1. A scaffold plate (2), left and right front struts (3) and left and right rear struts (4) each having an upper end rotatably mounted on the scaffold plate (2), and a front strut (4). Left and right lower reinforcements (6) with both ends pivotally attached to 3) and rear support (4)
And a workbench body (1) comprising left and right upper reinforcement members (7) rotatably attached to both ends of the scaffold plate (2) and the front support (3). (7) A folding workbench that can be folded in half. 2. An upper end of the front column (3) is attached to the scaffold plate (2) via a scaffold plate mounting bracket (13), and a rear portion of the front column (3) is rearwardly attached to an upper end of the front column (3). The rear portion of the scaffold plate mounting bracket (13), which is fixed by protruding, is rotatably connected to the scaffold plate (2).
(2) The foldable work table according to claim 1, wherein the foldable work table is foldable so as to be parallel.