JP2000110342A - Holding device of handrail and working base - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a safe working base capable of attaching a handrail, simply performing holding and detaching and safely performing lifting and lowering. SOLUTION: The holding device A of a handrail provided on a support 5 or the like and detachably holding a horizontal handrail 6 comprises a hook- like member 1 and a rod-like member 2. Both the members 1, 2 fix one end side to the support 5 or the like, are rotatable in a vertical face, at the normal time, the other end side of the hook-like member 1 is obliquely upward directed, the other end side of the rod-like member 2 is obliquely downward directed, and they are brought into contact with each other in a state where the other end side of the rod-like member 2 is obliquely downward extended from the other end side of the hook-like member 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a handrail holding device and a work table.

[0002]

2. Description of the Related Art Conventionally, a workbench having a function of elevating and lowering, in which a safety fence is provided on a peripheral portion except one side of a workbench and a handrail is attached to one side of the workbench, is generally used. The work platform is lowered, the handrail is removed, the handrail is lowered, and the handrail is straddled, and the worker gets on the worktable, and after the ride, fits the handrail or returns the handrail to its original position. And raise the platform, even if the worker works on the platform at a high place,
Because it is surrounded by fences and handrails at the periphery, it can be safely and safely performed.

[0003]

However, when the above-mentioned workbench is inserted or removed, the handrail is heavy, and it may take time to attach and detach the handrail. Therefore, a place for placing the removed handrail must be provided separately. There was a problem. In addition, even if the handrail is lowered and the handrail is straddled, the lock is released on both sides of the handrail, and after getting in, the handrail is returned to the original position and the handrail is locked on both sides. , And it takes time to attach and detach. SUMMARY OF THE INVENTION It is an object of the present invention to provide a safe work table which can easily attach, hold and remove a handrail, can move up and down safely.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above-mentioned object, and the present invention according to claim 1 is provided on a pillar or the like and holds a horizontal handrail in a detachable manner. The holding device comprises a hook-shaped member and a rod-shaped member, both of which are fixed at one end to a column or the like, and are rotatable in a vertical plane. The other end is directed obliquely upward, the other end of the bar-shaped member is directed obliquely downward, and the other end of the rod-shaped member is in contact with the hook-shaped member extending diagonally downward from the other end.

The present invention according to claim 2 comprises a floor, a pair of first columns, a pair of second columns standing on the floor, and a U-shaped handrail in plan view. The handrail holding device according to claim 1, wherein the handrail holding device is fixed to the first support, and the handrail holding device detachably holds the intermediate portion of the handrail. is there.

In the present invention, the handrail, the hook-shaped member and the bar-shaped member may have any suitable cross-sectional shape such as a circle or a square. For example, it is preferable that the outer peripheral surface of the handrail is circular because the handrail is easy to grasp when grasped.

The hook-like member and the bar-like member rotate in a vertical plane by inserting and removing the handrail, and in a steady state, the other end of the hook-like member is directed obliquely upward and the other end of the bar-like member is obliquely downward. In order for the hook-shaped member to be oriented, a weight may be attached to the outside of the bent portion near one end of the hook-shaped member fixed to the column, and similarly, for the bar-shaped member,
A weight may be attached to the tip of one end of the rod-shaped member fixed to the support.

Although the other end of the bar-shaped member extends obliquely downward from the other end of the hook-shaped member, if the handrail hits the tip of the bar-shaped member and the bar-shaped member can be rotated upward. , An appropriate extension length.

The materials of the handrail, hook-like member and rod-like member are as follows:
Any suitable material such as wood, synthetic resin and metal may be used. For example, it is preferable to use a synthetic resin for the handrail, hook-like member, and rod-like member in terms of aesthetic appearance, light weight, and durability.

(Function) The present invention according to claim 1 is a handrail holding device provided on a column or the like for detachably holding a horizontal handrail, comprising a hook-shaped member and a rod-shaped member. Is fixed at one end to a column or the like, and is rotatable in a vertical plane. In a steady state, the other end of the hook-shaped member is directed obliquely upward, and the other end of the bar-shaped member is directed obliquely downward. Since the other end of the bar-shaped member is in contact with the hook-shaped member extending obliquely downward from the other end thereof, the hand-rail is applied to the extending portion of the bar-shaped member from below to raise the bar-shaped member upward. Then, the bar-shaped member separates from the hook-shaped member, and the handrail is pushed down to the support column side, whereby the handrail can be received and held inside the hook-shaped member.

The present invention according to claim 2 comprises a floor, a pair of first columns and a pair of second columns standing on the floor, and a U-shaped handrail in plan view. The handrail holding device according to claim 1 is rotatably fixed to the first support, and the handrail holding device according to claim 1 is fixed to the second support, and the handrail holding device detachably holds an intermediate portion of the handrail. Therefore, the U-shaped handrail can be firmly held by the first pillar to which the handrail is rotatably fixed and the second pillar to which the handrail holding device is fixed.

When the handrail is to be removed, the handrail held is lifted upward beyond the bar-shaped member, and the bar-shaped member turns downward, and the bar-shaped member comes into contact with the hook-shaped member.
The handrail can be prevented from entering the inside of the hook-shaped member, and the handrail can be detached from the handrail holding device with one touch. Therefore, the worker can move from one end of the work table to the other end, hold the middle part of the handrail, attach and detach it with one touch without locking, and attach the handrail to the holding device. The time required for attachment and detachment can be shortened without taking time.

[0013]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
This will be described in detail with reference to FIG. 1 is an explanatory view of a handrail holding device, FIG. 2 is a perspective explanatory view in which handrail holding devices are attached to both ends of a work table, FIG. 3 is an enlarged explanatory view of one end of FIG. 2, and FIG. FIG. 5 is an explanatory diagram showing a method of attaching the handrail to the handrail holding device, and FIG. 5 is an explanatory diagram showing a method of removing the handrail from the handrail holding device.

In FIG. 1, reference numeral A denotes a handrail holding device. The handrail holding device A includes a hook-like member 1 and a bar-like member 2. The hook-shaped member 1 is a round bar, and has a long longitudinal member 11 at one end, a short longitudinal member 12 at the other end, and a horizontal member 13 connecting the lower end of the long longitudinal member 11 and the lower end of the short longitudinal member 12. It consists of A mounting hole (not shown) is provided at the upper end of the elongated member 11 and a weight 14 is provided outside the lower end. Rod-shaped member 2
Has a weight 21 at the upper end and a mounting hole (not shown) below the weight 21 at the upper end. As shown in FIG. 1, the lower end of the rod-shaped member 2 extends from the short longitudinal member 12 of the hook-shaped member 1.

As shown in FIG. 2, the work table B has a floor 3
The floor 3 includes a pair of first columns 4, a pair of second columns 5, a U-shaped handrail 6 in a plan view, and a safety fence 7. The floor 3 has a wooden rectangular shape, a length in the longitudinal direction of about 3 m, a length in the transverse direction of about 1 m, and a safety fence 7 is provided upward at one edge of the longitudinal direction, A pair of first pillars 4 and a pair of second pillars 5 are provided at both side edges in the lateral direction. A U-shaped handrail 6 is provided on the other side in the longitudinal direction opposite to the safety fence 7.

At approximately the center of the pair of second columns, the bar-shaped member 2 of the handrail holding device A and the elongated member 11 of the hook-shaped member 1 are arranged in this order in the vertical plane. Is mounted so as to be rotatable. In this mounting, bolts are inserted into respective mounting holes and mounting holes (not shown) of the pair of second columns, and are fixed with nuts. The holding device A for the handrail includes a weight 14 at the outer lower end of the long member of the hook-shaped member 1,
A weight 21 is provided at the tip of the upper end of the rod-shaped member 2 so that, in a normal state, the short longitudinal member 12 of the hook-shaped member 1 is directed obliquely upward, and the other end of the rod-shaped member is directed diagonally downward. I have.

The U-shaped handrail 6 has the ends at both ends rotatably fixed to a pair of first columns of the worktable, and the substantially center portions of both ends are attached to the center of the pair of second columns of the worktable. It is detachably attached to the holding device A for the handrail. As shown in FIG. 3, when the worker gets off the workbench B, the U-shaped handrail 6 is detached from the handrail holding device A, and the handrail 6 is rotated downward, so that the handrail 6 is placed on the floor 3 of the worktable B. The work table B is put down and descends.

Next, the operation of the handrail holding device A will be described while explaining how to attach and use the handrail holding device A. First, a safety fence 7 is provided at one longitudinal edge of the floor 3 of the workbench B, and a pair of first struts 4 and a pair of second struts 5 are directed upward at both lateral edges in the transverse direction. And attach it.

Next, a weight 14 is attached to the outer lower end of the long member of the hook-shaped member 1 of the handrail holding device A, and a weight 21 is attached to the tip of the upper end of the bar-shaped member 2. One short longitudinal member 12 is directed obliquely upward, and the other end of the rod-shaped member is directed obliquely downward. Next, a mounting hole at a substantially central portion of the pair of second columns 5, a mounting hole at a distal end of the rod-shaped member 2 of the handrail holding device A, and a mounting hole at a distal end of the elongated member 11 of the hook-shaped member 1. And a nut is fixed so that the hook-like member 1 and the rod-like member 2 can rotate in a vertical plane.

Next, the end portions at both ends of the handrail 6 are rotatably fixed to substantially the center of a pair of first columns of the worktable. Next, approximately the center portions of both ends of the handrail 6 are detachably attached to the handrail holding device A attached to the center portions of the pair of second columns of the worktable.

Next, the attachment and detachment of the handrail 6 to and from the holding device A will be described with reference to FIGS. Handrail 6
When the handrail is attached to the handrail holding device A, as shown in FIG. 4A, the handrail 6 is extended from the lower end of the handrail holding device A at the tip of the bar-shaped member 2 of the handrail holding device A. To the part where it is. Next, as shown in (b), the handrail 6 is raised upward. Next, as shown in (c), the handrail 6 is put inside the hook-shaped member 1 of the handrail holding device A, and the handrail 6 is held by the hook-shaped member 1.

Next, when removing the handrail 6 from the handrail holding device A, as shown in FIG.
The handrail 6 held by the above is lifted upward, and the bar-shaped member 2 of the handrail holding device A is rotated upward. Next, as shown in (b), the handrail 6 is raised to a position above the bar-shaped member 2. Then, as shown in (c), the bar-shaped member 2 rotates downward, and the tip end of the bar-shaped member 2 and the short vertical member 1 of the hook-shaped member 1 are rotated.
2 and the handrail 6 can be removed from the handrail holding device A.

In this manner, the handrail holding device A is
A horizontal handrail 6 can be detachably held, attached to a pair of second columns 5 of the workbench B, and includes a hook-shaped member 1 and a rod-shaped member 2. Both members 1, 2 have one end on the second column. 5 and is rotatable in a vertical plane. In a normal state, the hook-shaped member 1 has the other end directed obliquely upward, the other end of the rod-shaped member 2 directed diagonally downward, and 2 is in contact with the hook-shaped member 1 in a state that the other end extends obliquely downward from the other end of the hook-shaped member 1. By pivoting upward, the bar-shaped member 2 separates from the hook-shaped member 1 and pushes down the handrail 6 to the second support 5, so that the handrail 6 can be received and held inside the hook-shaped member 1.

The work table B comprises a floor 3, a pair of first columns 4 and a pair of second columns 5 erected on the floor 3, and a U-shaped handrail 6 in plan view. The both ends of 6 are rotatably fixed to the first support 4, the handrail holding device A is fixed to the second support 5, and the handrail holding device B detachably holds the middle part of the handrail 6. Therefore, the U-shaped handrail 6 is firmly held by the first support 4 to which the handrail 6 is rotatably fixed and the second support 5 to which the handrail holding device A is fixed. Can be.

When the handrail 6 is to be removed, the held handrail 6 is lifted upward beyond the bar-shaped member 2.
The rod-shaped member 2 rotates downward, and the rod-shaped member 2
, The handrail 6 can be prevented from entering the inside of the hook-shaped member 1, and the handrail can be removed from the handrail holding device A with one touch. Therefore, when the worker
Moving from one end to the other end of the handrail 6 without the need for locking, the intermediate part of the handrail 6 can be attached and detached with a single touch, without the hassle of attaching the handrail to the holding device A. In addition, the attachment / detachment time can be reduced.

[0026]

As described above, the present invention according to claim 1 is a handrail holding device provided on a column or the like for holding a horizontal handrail in a detachable manner, comprising a hook-like member and a rod-like member. The two members are fixed at one end to a column or the like, and are rotatable in a vertical plane. In a steady state, the hook-shaped member has the other end directed obliquely upward, and Since the end side is directed obliquely downward, and the other end of the bar-shaped member is in contact with the hook-shaped member extending diagonally downward from the other end, the handrail is applied to the extended portion of the bar-shaped member from below and raised upward. Thus, the bar-shaped member rotates upward, the bar-shaped member separates from the hook-shaped member, and the handrail is pushed down to the support column side, so that the handrail can be received and held inside the hook-shaped member.

According to a second aspect of the present invention, there is provided a floor, a pair of first columns, a pair of second columns standing on the floor, and a U-shaped handrail in plan view. The handrail holding device according to claim 1 is rotatably fixed to the first support, and the handrail holding device according to claim 1 is fixed to the second support, and the handrail holding device detachably holds an intermediate portion of the handrail. Therefore, the U-shaped handrail can be firmly held by the first pillar to which the handrail is rotatably fixed and the second pillar to which the handrail holding device is fixed.

When the handrail is removed, the handrail held is lifted upward beyond the bar-shaped member, and the bar-shaped member turns downward, and the bar-shaped member comes into contact with the hook-shaped member.
The handrail can be prevented from entering the inside of the hook-shaped member, and the handrail can be detached from the handrail holding device with one touch. Therefore, the worker can move from one end of the work table to the other end, hold the middle part of the handrail, attach and detach it with one touch without locking, and attach the handrail to the holding device. The time required for attachment and detachment can be shortened without taking time.

[Brief description of the drawings]

FIG. 1, showing an embodiment of the present invention, is an explanatory view of a handrail holding device.

FIG. 2 is a perspective explanatory view in which handrail holding devices are attached to both ends of a work table;

FIG. 3 is an enlarged explanatory view of one end of FIG. 2;

FIG. 4 is an explanatory view showing a method of attaching a handrail to a handrail holding device.

FIG. 5 is an explanatory view showing a method of removing a handrail from a handrail holding device.

[Explanation of symbols]

 Reference Signs List A Handrail holding device B Workbench 1 Hook member 11 Long vertical member 12 Short vertical member 13 Horizontal member 14 Weight 2 Bar member 21 Weight 3 Floor 4 First support 5 Second support 6 Handrail 7 Safety fence

Claims (2)

[Claims] 1. A handrail holding device provided on a support or the like for detachably holding a horizontal handrail, comprising a hook-like member and a rod-like member, wherein both members have one ends fixed to the support or the like. As well as
In the normal state, the other end of the hook-shaped member is directed obliquely upward, the other end of the bar-shaped member is directed obliquely downward, and the other end of the bar-shaped member is other than the hook-shaped member. A handrail holding device, which is in contact with the handrail while extending obliquely downward from an end side. 2. A floor, comprising a pair of first pillars and a pair of second pillars standing on the floor, and a U-shaped handrail in plan view, and both ends of the handrail rotate to the first pillar. The handrail holding device according to claim 1 is fixed to the second support,
A work table, wherein the handrail holding device detachably holds an intermediate portion of the handrail.