JP2001164726A - Mounting structure of handrail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the mounting structure of a handrail in which large concentrated load is not applied to a frame, to which the handrail is installed, and mounting works are facilitated. SOLUTION: A floor section 2 is formed by mounting a flooring 22 on the frame 21 of a peripheral section, and a lower end section is fixed onto the external surface of the frame 21 by bolts 41, 41,... and nuts 41, 42,... in the panel-shaped handrail 1A.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for attaching a handrail to a floor.

[0002]

2. Description of the Related Art Conventionally, as a structure for attaching a handrail to a floor portion in which a floor material is attached to a frame at a peripheral portion, for example, Japanese Unexamined Patent Publication No.
Japanese Patent Publication No. 336806 describes a structure in which a pillar is erected from a floor frame and a blind panel is attached to the pillar.

[0003]

However, the handrail mounting structure disclosed in Japanese Patent Laid-Open No. 6-336806 has the following problems. When erecting columns on the upper surface of the floor frame, in order to erect the columns directly on the frame,
It is necessary to cut out the floor material to be attached along the cross section of the pillar,
Installation work was complicated. In addition, since all the forces acting on the handrail are transmitted to the frame through the pillars, a large concentrated load is applied to the portion where the pillars of the frame are erected, and the strength of the frame needs to be increased. Therefore, the cost of the frame was high.

[0004] If the pillar is attached to the side surface of the frame, notch work of the floor material can be eliminated, but the point that a large concentrated load is applied to the frame cannot be improved. In addition, the number of working steps has been increased due to the structure in which a pillar is erected on the frame and a handrail such as a blindfold panel is attached to the pillar. Therefore, the construction period was long and the construction cost was high. Furthermore, when erecting the pillar on the frame, one person must support the pillar, and the other person needs to fix the pillar to the frame, which requires two people despite simple construction.

The present invention has been made in view of the above-mentioned problems, and has as its object to provide a handrail mounting structure in which a large concentrated load is not applied to a frame on which the handrail is mounted, and the mounting operation is easy. I have.

[0006]

In order to achieve the above object, an invention according to claim 1 is a structure for attaching a handrail to a floor portion in which a floor material is attached to a peripheral frame, wherein the handrail is attached. Is a panel-shaped, handrail mounting structure characterized in that the lower end of the handrail is continuously fixed to the side surface of the frame.

Here, the fact that the lower end portion of the handrail is continuously fixed to the side surface of the frame means that it is not necessary to fix the handrail at a structurally determined place, and the fixing is performed at intervals necessary for strength. That's what it means.

According to a second aspect of the present invention, in the first aspect of the present invention, the handrail is fixed to a side surface of the frame with a fastening member from above a cover material covering a lower end portion of the handrail. This is a featured handrail mounting structure.

According to a third aspect of the present invention, in the invention of the second aspect, the cover member is a horizontal piece that covers the lower surface of the handrail from the lower end of the vertical piece that covers the lower end of the handrail and reaches the lower surface of the frame. 3. The handrail mounting structure according to claim 2, wherein the horizontal piece is extended and fixed to the lower surface of the frame.

[0010] As the panel-shaped handrail in the present invention,
Although not necessarily limited, a honeycomb structure panel in which both surfaces of a honeycomb core made of metal, synthetic resin, paper, or the like are covered with metal, synthetic resin, or wood, an extruded cement panel having a rib structure vertically or horizontally, or a synthetic resin panel Blindfold panel, etc.
Also, metal or wooden lattice panels are preferable because they are lightweight and have high strength.

Further, although not necessarily limited, the frame is preferably made of a rust-proofed channel steel, lip channel steel, square steel pipe, or the like because of its light weight and high strength.

The joints of the panel-shaped handrails may be butt joints. However, if the joints are formed by a split joint, a main joint or a dovetail joint, the joints between the handrails can be made inconspicuous and the design can be improved. It is preferable because it is possible.

Further, when a fastening material is used to fix the cover material to the frame via the handrail, if the cover material at the place where the fastening material is used is concave, the head of the fastening material is not noticeable and the design Is preferred because the

[0014]

In the handrail mounting structure according to the first aspect of the present invention, the handrail has a panel shape, and the lower end of the handrail is continuously fixed to the side surface of the frame. Therefore, a large concentrated load is not applied to the frame. Further, by continuously fixing the lower end of the handrail to the side surface of the frame, the strength of the frame itself can be reinforced by the lower end of the panel-shaped handrail. Further, since the lower end of the handrail is fixed to the side surface of the frame, it is not necessary to cut or cut the floor material attached to the frame.

In the handrail mounting structure according to the second aspect of the present invention, the handrail is fixed to a side surface of the frame with a fastening member from above a cover material covering a lower end portion of the handrail. Therefore,
When the handrail and the cover material are fixed to the side surface of the frame with a fastening material such as a tapping screw or a bolt, the cover material can prevent the head of the tapping screw or the bolt from sinking into the handrail. That is, it is not necessary to use a washer or the like, so that the design can be excellent.

According to the third aspect of the present invention, the cover member extends from the lower end of the vertical piece covering the lower end of the handrail to the lower face of the handrail and reaching the lower face of the frame. The horizontal piece is fixed to the lower surface of the frame. Therefore, after attaching the cover material to the lower surface of the frame, the handrail can be temporarily fixed by inserting a handrail between the cover material and the side surface of the frame, and then the handrail can be fixed. Can also be fixed.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below based on embodiments with reference to the drawings. FIG. 1 is a longitudinal sectional view showing an embodiment of the handrail mounting structure of the present invention.

In FIG. 1, a floor 2 is formed by attaching a floor material 22 made of an extruded cement plate to a frame 21 made of a channel steel at a peripheral portion. Panel-shaped handrail 1A
Are bolts 41 on the outer surface of the frame 21 at the lower end.
.. And nuts 42, 42,. The handrail 1A is an extruded cement panel, and cavities 11, 11,...
·have. That is, the weight is reduced as compared with the extruded cement board having no hollow portion. The handrail has sufficient bending strength. Handrail 1A
Bolts 4 are provided on the outer walls of the cavities 11 at the lower end of the
1, the insertion hole 12 having a diameter larger than the diameter of the head or the washer 43,
, Are provided on the inner wall with mounting holes 13, 13,... Slightly larger than the diameter of the bolt 41 with a lateral spacing of 30 cm. The web of the frame 21 has mounting holes 21a, 21a having the same diameter as the mounting hole 13.
are provided in alignment with the mounting holes 13, 13,.

Next, a method of attaching the handrail 1A to the frame 21 will be described. First, the inner lower end of the handrail 1A is brought into contact with the outer surface of the frame 21 so that the mounting holes 13, 13,... And the mounting holes 21a, 21a,. While maintaining this state, the bolt 41 is inserted from the insertion hole 12 through the washer 43, and the mounting hole 13 and the mounting hole 21a are inserted.
Then, the bolt 41 is passed through. Thereafter, the handrail 1 </ b> A is fixed to the frame 21 by screwing the nut 42 to the bolt 41 via the spring washer 44.

After the handrail 1A is fixed to the frame 21, the insertion holes 12, 12,... Of the handrail 1A are closed with a closing member (not shown), and the surface of the handrail 1A is made up. Intrusion can be prevented, and the design can be improved.

As described above, the handrail 1A is fixed to the frame 21 with the bolt 41 and the nut 42 at intervals of 30 cm. Therefore, even if a force is applied to the handrail 1A, a large concentrated load may be applied to the frame 21. Absent. Also, frame 2
1 can be reinforced at the lower end of the handrail 1A.
Therefore, a low-cost channel steel with a small cross section can be used as the frame 21.

Further, the lower end of the handrail 1A is
The handrail 1A can be fixed to the floor member 22 attached to the frame 21 without processing a notch or the like.

If the mounting holes 13, 13,... Are horizontally elongated, the left and right positions of the handrail 1A can be adjusted. Position adjustment becomes possible. If the diameter of the mounting hole 13 is larger than the diameter of the bolt, the handrail 1A can be adjusted vertically, horizontally, and vertically. At this time, the head of the bolt 41 and the nut 4
If a large diameter 2 is used, or a large diameter washer 43 or a spring washer 44 is used, the adjustment allowance can be increased.

If the handrail 1A is previously provided with a makeup such as painting, the number of construction steps can be reduced.

Next, another embodiment of the handrail mounting structure of the present invention will be described with reference to FIG. FIG. 2 is a longitudinal sectional view showing another embodiment of the handrail mounting structure of the present invention. In FIG. 2, a floor 2 is formed by extruding a cement board into a frame 21 made of a channel steel at the periphery.
The cover member 3 is formed on the outer surface of the frame 21 via a handrail 1B.
It is fixed at 5, ...

The handrail 1B is formed by attaching aluminum plates 15, 15 to both sides of a paper honeycomb core 14, and has a large bending strength and a light weight. Therefore, the handrail 1B can be handled by one person. Handrail 1B
On the upper end of the handrail 1B, a lightweight aluminum cap 12 is placed so as to cover the upper end of the handrail 1B, and the lower end thereof is fixed to the handrail 1B by tapping screws 6, 6,.

The cover member 3 is made of aluminum to reduce the weight. The cover member 3 is a vertical piece 31
A horizontal piece 32 extends from the lower end of the frame 21, and a gap between the outer surface of the frame 21 and the vertical piece 31 is substantially
The horizontal piece 32 is fixed to the lower surface of the frame 21 with tapping screws 6, 6,. The cover member 3 is provided with two concave portions in the lateral direction, and tapping screws 5, 5,... Are screwed into the concave portions at a lateral interval of 10 cm.

By providing the cover material 3 in the concave portion, the heads of the tapping screws 5, 5,... Can be made inconspicuous, and the design can be improved.

As described above, since the handrail 1B is fixed at intervals of 10 cm with the tapping screw, a large concentrated load is not applied to the frame 21 even when a force is applied to the handrail 1B. Further, the strength of the frame 21 can be reinforced at the lower end of the handrail 1B. Therefore, a low-cost channel steel with a small cross section can be used as the frame 21. Further, since the lower end portion of the handrail 1B is fixed to the outer surface of the frame 21, the handrail 1B can be fixed to the floor member 22 attached to the frame 21 without processing a notch or the like.

Next, a method of attaching the handrail 1B to the frame 21 will be described. First, the horizontal piece 32 of the cover material 3 is
The outer surface of the frame 21 and the vertical piece 3 on the lower surface of the frame 21
1 so that the gap between them is approximately the thickness of the handrail 1B.
Fix with tapping screws 6, 6, ... After that, the lower end of the handrail 1B is temporarily fixed by inserting it into the gap between the outer surface of the frame 21 and the vertical piece 31.
The vertical piece 31 of the cover member 3 is fixed to the frame 21 with tapping screws 5, 5,. Thereafter, the space between the cover member 3 and the handrail 1B and the frame 21 is waterproofed with a caulking material. Furthermore, the cap 12 is fixed to the upper end of the handrail 1B with tapping screws 6, 6,... And is waterproofed with a caulking material.

As described above, when the handrail 1B is fastened to the frame 21 with the tapping screws 5, 5,..., The cover material 3 can prevent the head of the tapping screw from digging into the handrail 1B. That is, it is not necessary to use a washer or the like, so that the design can be excellent. Also, since the vertical piece 31 of the cover member 3 is provided with two recesses, even if an error occurs in the width of the gap between the vertical piece 31 and the outer surface of the frame 21 and the vertical piece 31 is deformed, The deformation is inconspicuous.

Further, the handrail 1B, the cover material 3, and the cover 12
Is made lightweight, and the handrail 1B can be temporarily fixed by the cover material 3, so that the handrail 1B can be constructed by one person. Further, since the handrail 1B can be temporarily fixed, even if the cover member 3, the handrail 1B, and the frame 21 do not have any mounting holes, the work of screwing the tapping screw 5 can be performed by one person. Of course, it is also effective to provide mounting holes in the cover member 3, the handrail 1B, and the frame 21 to facilitate positioning. Since the casket 12 and the cover member 3 and the handrail 1B and the frame 21 are waterproofed with a caulking material, rainwater does not enter the inside of the handrail 1B. Therefore, even if the honeycomb core 14 is made of paper which is not particularly waterproofed, it can be used.

Further, it is preferable that the aluminum of the handrail 1B, the cover material 3, and the coping 12 is already made because the number of construction steps can be reduced.

Although the embodiment of the present invention has been described with reference to the drawings, the specific configuration of the present invention is not limited to this embodiment, and there are design changes and the like that do not depart from the gist of the present invention. Are also included in the present invention.

For example, the handrail may be fixed to the frame using an adhesive.

[0036]

In the handrail mounting structure according to the first aspect of the present invention, since the lower end of the handrail is continuously fixed to the side surface of the frame, a large concentrated load is not applied to the frame. Further, by continuously fixing the lower end of the handrail to the side surface of the frame, the strength of the frame itself can be reinforced by the lower end of the panel-shaped handrail. Therefore, a frame having a small strength can be used, and the cost of the frame can be reduced. Furthermore, since the lower end of the handrail is fixed to the side surface of the frame, it is not necessary to cut or cut the floor material attached to the frame. Therefore, the number of construction steps can be reduced, and the construction period can be shortened.

In the handrail mounting structure according to the second aspect of the present invention, when the handrail is fixed to the side surface of the frame with a fastening material such as a tapping screw or a bolt, it is possible to prevent the head of the tapping screw or the bolt from sinking into the handrail. Material can prevent it. That is, it is not necessary to use a washer or the like, so that the design can be excellent.

According to the third aspect of the present invention, the handrail is temporarily fixed by inserting the handrail between the cover material and the side surface of the frame after the cover material is mounted.
Thereafter, the handrail can be fixed. Therefore, a person who supports the handrail when fixing the handrail becomes unnecessary, and the handrail can be constructed by one person.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a structure for attaching a handrail according to the present invention.

FIG. 2 is a longitudinal sectional view showing another handrail mounting structure of the present invention.

[Explanation of symbols]

 1A, 1B Handrail 2 Floor 21 Frame (channel steel) 22 Floor material (extruded cement board) 3 Cover material 31 Vertical piece 32 Horizontal piece

Claims (3)

[Claims] 1. A handrail mounting structure to a floor portion in which a floor material is attached to a frame at a peripheral portion, wherein the handrail has a panel shape, and a lower end portion of the handrail is connected to a side surface of the frame. A handrail mounting structure characterized by being fixedly attached. 2. The handrail mounting structure according to claim 1, wherein the handrail is fixed to a side surface of the frame with a fastening member from above a cover material covering a lower end portion of the handrail. 3. The cover member is provided with a horizontal piece extending from a lower end of a vertical piece covering a lower end of the handrail to a lower face of the handrail and reaching a lower face of the frame, and the horizontal piece is attached to a lower face of the frame. 3. The handrail mounting structure according to claim 2, wherein the handrail is fixed.