JP5486881B2 - Workbench - Google Patents

Description

  The present invention relates to a work table used for work at a high place in a work site such as construction, and more particularly to an aluminum alloy portable work table.

  In this type of work table, the top end of a pair of right struts spaced in the width direction is connected to the right end of the top board, and a plurality of right steppers are passed to both right struts in multiple stages. The top end of a pair of left struts spaced in the width direction is connected to the left end of the top board, and the left struts are held in multiple stages on both left struts. Both right struts can be folded so as to overlap the bottom of the top plate, and both left struts can be folded so as to overlap the downward side surfaces of both folded right struts. Opening metal fittings for restriction are composed of a top plate side rod and a column side rod, and when the left column is folded, the top plate side rod and the column column are folded so that the top plate side rod and the column side rod are folded in half. The corresponding one ends of the side rods It is known that the other end of the top plate side rod is connected to the right end from the left end of the top plate and the other end of the column side rod is connected to the upper left step. It has been.

  As the overall length of the stopper fitting is longer, the longer the stopper is, the more stable the posture can be held.

  In the workbench, the other end of the support rod is connected to the uppermost left step, and there is a limit to increasing the overall length of the locking bracket. It is conceivable to connect the other end of the support rod to the 2nd step left step instead of the top step, so that the total length of the locking bracket is increased. When folding, the folded-up top plate side rod and the column side rod sandwich the lower right foot, and the left column can not be completely folded until it overlaps the downward side surface of both folded right columns. It was.

  An object of the present invention is to provide a workbench that can increase the overall length of the stopper metal fittings and that can completely fold the column.

  In the work table according to the present invention, the upper ends of a pair of right struts spaced in the width direction are connected to the right end portion of the top plate, respectively, and a plurality of right steppers are held on both right struts in multiple stages. The upper end of a pair of left struts spaced in the width direction is connected to the left end of the top board, and a plurality of left stairs are held in multiple steps on both left struts. Both right struts can be folded so that they overlap the bottom of the top plate, and both left struts can be folded so as to overlap the downward side of both folded right struts. The locking bracket for regulation is composed of a top plate side rod and a support column side rod, and when the left support column is folded, the top plate side rod and the support column side rod are folded in half so that both rods correspond. One end is connected to each other The other end of the top plate rod is connected to the right end from the left end of the top plate, and the other end of the support rod is connected to the left step of the second stage. In the folded state, a gap that can avoid interference with the lower right step is formed between the opposing edges of the two-folded top plate side rod and support column side rod. is there.

  In the workbench according to the present invention, in a state in which both left struts are folded, the top plate side rod and the strut side rod are separated from each other by the gap formed between the opposite edge portions of the folded top plate side rod and the strut side rod. , You can avoid interference with the lower right step. Therefore, the entire length of the stopper metal fitting can be increased, and the column can be completely folded.

  Furthermore, the top plate side rod is composed of a straight top plate side rod body and a top plate side rod ear protruding from one end of the top plate side rod body to the support side rod side, and the support side rod is straight. It is composed of a strut-side rod body that extends and a strut-side rod ear that protrudes from one end of the strut-side rod body toward the top-plate-side rod, and the top-plate-side rod ear and the strut-side rod ear are connected to each other The gap for avoiding the interference with the lowermost right step can be formed with a simple configuration without forming the top plate side rod and the support column side rod into complicated shapes.

  In addition, the lower right stepper is inserted into at least one of both edges of the top plate side rod body and the column side rod body to form a gap that can avoid interference with the lower right stepper. If the possible cutout is formed, it becomes possible to narrow the gap for avoiding interference with the lower rightmost step as much as possible.

  According to the present invention, there is provided a workbench that can increase the overall length of the stopper metal fitting and that can completely fold the support column.

It is a front view of the work table by this invention. It is the same side view. It is a front view of the right opening stopper metal fitting of the work bench. It is a front view of the state which folded the same right opening stopper metal fitting. It is a front view of the left opening stopper metal fitting of the work bench. It is a front view of the state which folded the left opening stopper metal fitting. It is a front view of the state which folded the right and left support | pillar of the work bench.

  Referring to FIG. 1 and FIG. 2, the work table has a rectangular top plate 11 that is long in the left-right direction as viewed from the plane, and a gap in the width direction in which the upper end is connected to the right end of the top plate 11. In the width direction where the upper end is connected to the left end of the top plate 11 and the four right stairs 13 which are passed between the pair of front and rear right struts 12, the right struts 12 in multiple stages Fold each pair of left and right struts 14 spaced apart, four left pedestals 15 secured in multiple stages to both left struts 14, and both right struts 12 so that they overlap the bottom of the top plate 11 A pair of front and rear right folding brackets 16 and a pair of front and rear right folding brackets 17 for folding the left struts 14 so as to overlap the downward side surfaces of the folded right struts 12 and the opening angle of the right struts 12 The opening angle between the pair of front right and left stopper brackets 18 and the right struts 12 for regulating the right and left respectively. The more a pair of left open fastener 19 before and after for regulating.

  The top plate 11 is composed of an aluminum plate-made rectangular flat plate-shaped top plate main body 21 and a rectangular reinforcing frame 22 made of an aluminum extruded mold material having a U-shaped cross section fixed to the peripheral edge of the bottom surface of the top plate main body 21.

  Each of the columns 12 and 14 is made of an aluminum extruded mold having a U-shaped cross section. Each step 13 and 15 is made of an aluminum extrusion mold having a rectangular cross section.

  Each right folding bracket 16 has a horizontal right fulcrum pin 31 that serves as a rotation center when the right column 12 is folded. Each left folding bracket 17 has a horizontal left fulcrum pin 32 serving as a rotation center when the left column 14 is folded. The right fulcrum pin 31 is positioned at a level close to the bottom surface of the top plate 11. The left fulcrum pin 32 is positioned at a lower level than the level of the right fulcrum pin 31.

  As shown in detail in FIG. 3, each right-opening stopper 18 includes a right top plate side rod 41 and a right support column side rod 42. The right top plate side rod 41 is composed of a right top plate side rod main body 41A made of an aluminum extruded mold material having a straight U-shaped cross section. The right post side rod 42 is composed of a right post side rod main body 42A made of an aluminum extruded mold with a straight U-shaped cross section.

  The corresponding one ends of the right top plate side rod main body 41A and the right column side rod main body 42A are connected by a right first connection pin 51. The other end portion of the right top plate side rod main body 41A is connected to the left end portion from the right end portion of the top plate 11 by a right second connecting pin 52. The other end of the right column side rod body 42A is connected to the second right step 13 by a right third connecting pin 53.

  Right first on the intersection of the center axis C1 passing through the center of the right second connecting pin 52 of the right top plate side rod body 41A and the center axis C2 passing through the center of the right third connecting pin 53 of the right column side rod body 42A. The center of the connecting pin 51 is located.

  As shown in FIG. 4, when the right top plate side rod body 41A and the right column side rod body 42A face each other and are folded in two, the right top plate side rod body 41A becomes the right column. The side rod body 42A is accommodated between both side walls.

  As shown in detail in FIG. 5, each left opening stopper 19 is constituted by a left top plate side rod 61 and a left column side rod 62. The left top plate side rod 61 was projected from the left top plate side rod body 61A made of an aluminum extruded mold material with a straight U-shaped cross section and from the one end of the left top plate side rod body 61A to the left column side rod 62 side. It consists of a top plate side rod ear 61B. The left strut side rod 62 is a left strut side rod body 62A made of an aluminum extruded mold with a straight cross section and a strut side projecting from one end of the left strut side rod body 62A to the left top plate side rod 61 side. It consists of a rod ear 62B. Arc-shaped notches 63 are formed in the middle of the lengths of both side walls of the left column-side rod body 62A.

  The corresponding one ends of the left top plate side rod body 61A and the left column side rod body 62A are connected by the left first connecting pin 71. The other end portion of the left top plate side rod main body 61A is connected to the right end portion from the left end portion of the top plate 11 by a left second connecting pin 72. The other end of the left column-side rod body 62A is connected to the second step left step 15 by a left third connection pin 73.

  A predetermined distance L from the center axis C3 passing through the center of the left second connecting pin 72 of the left top plate side rod body 61A and from the center axis C4 passing through the center of the left third connecting pin 73 of the left column side rod body 62A. The center of the left first connecting pin 71 is located at a distance.

As shown in FIG. 6, the left top plate side rod body 61A and the left pillar side rod body 62A is opposed openings each other, both that Do a twofold.

  FIG. 7 shows a state in which the left and right support columns 12 and 14 are folded. Due to the level difference between the right fulcrum pin 31 and the left fulcrum pin 32, the right column 12 is first folded, and then the left column 14 is folded.

  When the right column 12 is folded and the right top plate side rod 41 and the right column side rod 42 of the right opening stopper 18 are folded in half, there is nothing that interferes with them.

On the other hand, when the left column 14 is folded, the right column 12 is already folded, and the right column 12 is overlaid on the bottom surface of the top plate 11. When the left column 14 is folded and the left top plate side rod 61 and the left column side rod 62 of the left opening stopper 19 are folded in half, the left top plate side rod body 61A that is folded in half is left The side rod main body 62A sandwiches the fourth step of the right step 13 of the right column 12. As shown in detail in FIG. 6, a gap 81 including a notch 63 is formed between the left top plate side rod body 61A and the left column side rod body 62A which are folded in half. This avoids interference between the left top plate side rod body 61A and the left column side rod body 62A that are folded in half, and the right step 13 of the fourth stage, and the left column 14 has no problem and is completely left. It is folded so as to overlap with the top.

  The workbench according to the present invention can increase the overall length of the stopper metal fitting, and is suitable for achieving complete folding of the support column.

11 Top plate
12 Right column
13 Right Step
14 Left column
15 Left foot
19 Opening bracket
61 Top plate side rod
62 Prop rod
81 gap

Claims (1)

The top end of a pair of right struts spaced in the width direction is connected to the right end of the top plate, respectively, and a plurality of right stairs are held in multiple stages on both right struts. The upper end of a pair of left struts spaced in the width direction is connected to the left end, and a plurality of left stairs are secured to both left struts in multiple stages. Each of the left struts can be folded so as to overlap the bottom surface of the plate, and both left struts can be folded so as to overlap the downward side surfaces of both folded right struts,
The right opening bracket for restricting the opening angle of both right struts is composed of the right top plate side rod and the right strut side rod. When folding both right struts, the right top plate side rod and the right strut side rod The corresponding one ends of the right top plate side rod and the right column side rod are connected to each other so that the rod is folded in half, and the other end portion of the right top plate side rod is closer to the left end portion from the right end portion of the top plate In addition, the other end of the right strut side rod is connected to the right step of the second stage,
The right top plate side rod is composed of a right top plate rod body with a straight U-shaped cross section, and the right support column rod is composed of a right column side rod body with a straight U-shaped cross section, on the right top plate side. When the rod body and the right strut side rod body face each other and are folded in half, the right top plate side rod body is received between the both side walls of the right strut side rod body. And
Left open fastener for restricting the opening angle of both the left strut is constituted by the left top plate side rod and the left pillar side rod, upon folding of both the left strut, left top plate side rod and the left pillar side rod The corresponding ends of the left top plate side rod and the left column side rod are connected to each other so that the rod is folded in half, and the other end portion of the left top plate side rod is closer to the right end portion from the left end portion of the top plate In addition, the other end of the left column rod is connected to the second step left step,
In the state where both left struts are folded, a gap for avoiding interference with the lowermost right step can be formed between the opposing edges of the two-fold left top plate side rod and the left strut side rod. Has been made ,
The left top plate side rod has a straight U-shaped left top plate side rod body with a straight cross section and the left top plate side protruded from one end of both side walls of the left top plate side rod body to the left column side rod side The left strut side rod, which is made up of rod ears, is projected to the left top plate side rod side from the left strut side rod body with a straight U-shaped cross section and one end of both side walls of the left strut side rod body It consists of the left strut side rod ear, the tip of the left top plate side rod ear and the left strut side rod ear are connected to each other,
On both side walls of the left top plate side rod body and both side walls of the left column side rod body on at least one of both edges for forming a gap to avoid interference with the lowermost right step, A workbench with a notch that allows the bottom right foot to enter .

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