JPH11303408A - Inserter having stopper function of handrail rod in falling preventive handrail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the falling accident of a handrail rod built between adjacent supports. SOLUTION: Two hook plates, in which return sections outwards projected from both side sections of substrates installed at both end sections of the handrail rod are formed to lower outside sections, are mounted on the substrates in a rockable manner in the internal and external directions while the automatic return means for the internally rocked hook plates 8, 8a are set up. When such an inserter is inserted into the inserting site of a mounting section in a support from an upper section, the hook plates 8, 8a are inwards rocked gradually while being changed as they are left as they are brought to the state, in which they are rocked to innermost sections, the hook plates 8, 8a are rocked outwards by the automatic return means when the lower end side of the inserter is projected downwards from the inserting site, the return sections are retained to the lower both side sections of the mounting section, and the inserter does not slip off from the inserting site.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handrail for a fall prevention handrail to be installed on the outer periphery of a floor, an opening for stairs in a floor, and a side of a stair and a slope in a frame of a construction under construction. The present invention relates to a plug having a rod stopper function.

[0002]

2. Description of the Related Art Conventionally, in such a handrail 1, as shown in FIGS. 8 and 9, a plurality of columns 2, 2a... Installed and fixed on the frame W side and adjacent columns 2, 2a. Mounting parts 5, which are provided with handrail rods 3, 3a... Erected therebetween, and provided with insertion parts 4, 4a. The plate-shaped inserts 6, 6a provided at both ends of the handrail bars 3, 3a are dropped into the insertion portions 4, 4a from above, and the adjacent columns 2, 2a,.
The handrails 3, 3a ... were installed between them.

[0003]

However, with respect to the handrails 3, 3a... Of the above-described fall prevention handrail 1, the work of erection of the handrails 3, 3a. However, since the plugs 6 and 6a are simply inserted into the mounting portions 5, 5a, etc., if an external force acts on the handrail bars 3, 3a from below, the handrails 3 will easily come off. There was a problem that had to be done.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, such as the ease with which a handrail rod can fall off from a support, and includes a board provided at both ends of the handrail rod. Two hook plates provided with barbs protruding more outward on the lower outer portion are provided so as to be able to swing inward and outward, and automatic return means for the hook plate which has swung inward is provided. When inserted from above into the insertion part of the mounting part, the hook plate gradually swings inward and remains in the state of swinging most inward, and the lower end side of the insertion body projects downward from the insertion part The restriction on the hook plate by the mounting part is released by, the automatic return means swings outward, the barbed part locks on both lower sides of the mounting part, and the removal of the insertion body from the insertion part Prevention will not impair the ease of installation work, and will not be affected by external force. Also so as not to fall off the handrail rod from the post, to solve the above-mentioned problems.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. In the inserts 6, 6a provided at both ends of the telescopic handrails 3, 3a... In the fall prevention handrail 1 according to the present invention, the both ends of the handrails 3, 3a. The vertically long substrate 7 provided, and two hook plates 8, 8a attached to one side surface of the substrate 7 so as to swing inward and outward.
It is composed of Also, the barbs 9, 9a provided on the lower outer side of the hook plates 8, 8a are projected from both sides of the substrate 7, and the hook plates 8, 8a are almost completely hidden by the substrate 7 from the barbs 9, 9a. It is attached to the substrate 7 so as to be able to swing inward to the extent.

It is desirable that the outer surfaces 12, 12a of the barbs 9, 9a of the hook plates 8, 8a be inclined inward so that the lower ends of the hook plates 8, 8a are pointed. Also, hook plate 8,
The barbs 9 and 9a in 8a are formed such that their outer surfaces 12, 12a abut against both side edges of the upper opening in the insertion portions 4, 4a. Further, means 13 for automatically returning the hook plates 8, 8a that have swung inward to the initial position are provided on the insertion bodies 6, 6a, and the automatic return means 13 has elasticity such as a spring, for example. It is desirable to be composed of the members described above. Also, the substrate 7
Mounting plates 10, 10a perpendicular to the substrate 7
Are provided, and a pair of projecting plates 1
1, 11a are provided, and the mounting plates 10, 10a of the substrate 7 and the handrails 3, 3
The projecting plates 11, 11a on the side a ... are pivotally mounted so that the insertion bodies 6, 6a can be vertically swung with respect to the handrails 3, 3a.

[0007] Specifically, as shown in FIGS.
The hook plates 8 and 8a are formed in a substantially R-shaped flat plate, the upper insides of the hook plates 8 and 8a are overlapped, and the pivot 14 penetrating the overlapping portion is fixed to the upper center of the substrate 7,
The hook plates 8 and 8a can swing inward and outward with respect to the substrate 7. The automatic return means 13 of the hook plates 8 and 8a is a V-shaped spring 15 provided between the substrate 7 and one of the hook plates 8, and the center bent portion of the V-shaped spring 15 is connected to the pivot 14, and both ends are hooked. They are fixed to the plates 8, 8a, respectively.

Further, stoppers 16 and 16a for the hook plates 8 and 8a which have been swung outward are provided at the intermediate portions on both sides of the substrate 7. In this case, the outward urging force from the automatic return means 13 acts on the hook plates 8 and 8a at the initial position, and the stoppers 16 and 16a are pressed. When the hook plates 8 and 8a are at the initial position in a state where no external force is applied to the automatic return means 13, the stoppers 16 and 16a may not be provided.

Further, a regulating member 17 is provided at a position facing the substrate 7, and hook plates 8, 8 a are arranged between the regulating member 17 and the substrate 7. The gap is not widened. Further, projecting pieces 18 and 18a are outwardly protruded from the upper outer portions of the hook plates 8 and 8a, and openings 19 and 19a are formed on the substrate 7 at positions corresponding to the projecting pieces 18 and 18a on the mounting plates 10 and 10a. The hook plates 8, 8a are protruded outward from both ends of the substrate 7 from the openings 19, 19a.

[0010] Next, the insertion member 6, which is inserted into the insertion portions 4, 4a,.
The insertion process of 6a will be described with reference to FIGS. (A) When the inserts 6, 6a of the handrail bars 3, 3a... Are dropped from above into the insertion portions 4, 4a.
Outer side surfaces 12, 12 of barbs 9, 9a on hook plates 8, 8a
a comes into contact with both side edges of the upper opening in the insertion portions 4, 4a,. (B) When the handrail rods 3, 3a... (Inserts 6, 6a) are further pressed downward, the barbs 9, 9a in sliding contact with both side edges of the upper openings in the insertion portions 4, 4a. Is guided by the inclination of the outer side surfaces 12 and 12a, and the hook plates 8 and 8a swing inward,
As a result, the automatic return means 13 (V-shaped spring 15) is elastically deformed, and the hooks are held until the distal end portions of the barbs 9, 9a on the outer surfaces 12, 12a are in sliding contact with both side surfaces of the insertion portions 4, 4a. The plates 8, 8a swing inward, and the plug 6,
6a moves down. (C) The lower ends of the inserts 6, 6a protrude from the lower openings of the insertion portions 4, 4a,..., And the tips of the barbs 9, 9a come below the lower openings, and the hook plates 8, 8a are opened. Then, the hook plates 8, 8a swing outward by the elastic restoring force of the automatic return means 13 (V-shaped spring 15) and return to the initial position. Then, the above operation is performed at each end or both ends of the handrail bars 3, 3a... As shown in FIGS.
The railing rods 3, 3a are installed between them.

Next, the operation of the handrail rod in the handrail according to the present invention will be described. Even when an external force acts on the handrail rods 3, 3a... From below, the hook plates 8, 8a do not come out of the insertion portions 4, 4a. ... can be prevented from falling off. If the inserts 6 and 6a are vertically swingable, for example, as shown in FIGS.
The railing bars 3, 3a... Can be erected between 2a. Also, if there is a regulating material 17, the thickness of the inserts 6, 6a is always constant, so that the inserts 6, 6a are inserted into the insertion portions 4, 4a,.
Easy to insert into. Further, if the protruding pieces 18, 18a are provided on the upper outer side of the hook plates 8, 8a, the hook plates 8, 8a can be easily swung inward when the handrails 3, 3,.

[0012]

In short, according to the present invention, barbs 9, 9a projecting outward from both sides of the board 7 are provided on the board 7 provided at both ends of the handrail bars 3, 3a. Since the hook plates 8 and 8a are provided to be able to swing inward and outward, the barbs 9 and 9a projecting from the lower openings of the insertion portions 4, 4a.
If it is locked on both lower sides of the mounting portions 5, 5a, the mounting portions 5,
Since the inserts 6 and 6a cannot be moved upward with respect to 5a, the handrails 3, 3a can be prevented from falling off the support columns 2, 2a. Further, since the automatic return means 13 is provided for the hook plates 8, 8a which have swung inward, the locking operation of the barbs 9, 9a to the mounting portions 5, 5a... Can be performed automatically.

Further, the outer surfaces 12, 12a of the hook plates 8, 8a are
Since the inclined surface is formed to be inclined inward and downward, in the process of inserting the insertion bodies 6, 6a into the insertion portions 4, 4a,.
The swing operation can be automatically performed inward of the hook plate 8, 6a in the insertion process of the insertion bodies 6, 6a in and out of the hook plate 8, 8a. By simply inserting the inserts 6, 6a into the insertion portions 4, 4a, the inserts 6, 6a do not come out of the insertion portions 4, 4a, that is, the handrail rods 3, 3a from the columns 2, 2a,. Handrail 1 that does not come off
Can be assembled.

Since the substrate 7 is mounted on the handrails 3, 3a so as to be vertically swingable, the handrails 3, 3a with respect to the columns 2, 2a,.
Can be adjusted freely, so that the fall prevention handrail 1 can be installed corresponding to any slopes and stairs having any inclination.

Since the two hook plates 8 and 8a are overlapped and the pivot 14 penetrating them is fixed to the substrate 7, the hook plates 8 and 8a do not hinder each other when swinging inward. The hook plates 8 and 8a can be smoothly swung.

Further, since the hook plates 8 and 8a are merely mounted on the upper ends thereof, the gap between the substrate 7 and the hook plates 8 and 8a is easily widened. .. Are easily fitted into the board when the board is inserted.
And the two hook plates 8 and 8a are provided between the regulating members 17 provided at positions opposing the substrate 7, so that the hook plates 8 and 8a do not flutter and the gap does not widen. 4a ... The inserts 6, 6a can be smoothly inserted into the inside.

Since the hook plates 8, 8a must be swung inward when the handrails 3, 3,... Are removed, the hook plates 8, 8a protrude outward from both sides of the substrate 7 on the upper outer side. Since the protruding pieces 18 and 18a are provided, a thumb can be applied to one of the protruding pieces 18 and 18a and the other finger can be applied to the other to grasp the hook plate 8,
8a can be easily swung inward, so that the handrails 3, 3a... Can be easily removed.

Further, hook plates 8 and 8a
Are provided, even if the external biasing force of the automatic return means 13 is strong, the hook plates 8 and 8a can
Because it does not swing any further outward when it comes into contact with 6, 16a,
The practical effect is remarkable, for example, the hook plates 8, 8a can be reliably returned to the initial position.

[Brief description of the drawings]

FIG. 1 is a front view of an essential part of a drop-prevention handrail in which a handrail rod is horizontally installed between columns.

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

FIG. 3 is a front view of a main part of a fall prevention handrail in which a handrail rod is erected between columns.

FIG. 4 is an enlarged view of a main part of FIG. 3;

FIG. 5 is a rear view of the plug-in body.

FIG. 6 is a sectional view taken along line XX of FIG. 5;

FIG. 7 is an explanatory diagram of the insertion process of the insertion body.

FIG. 8 is a front view of a main part of a conventional fall prevention handrail.

FIG. 9 is an enlarged view of a main part of FIG. 8;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fall prevention handrail 2, 2a ... Prop 3, 3a ... Handrail rod 4, 4a ... Insertion part 5, 5a ... Mounting part 6, 6a Insert body 7 Substrate 8, 8a Hook plate 9, 9a Barbed part 12, 12a 13 Automatic return means 14 Axis 16, 16a Stopper 17 Restriction material 18, 18a Protrusion

Claims (7)

[Claims] 1. A mounting member provided with an insertion portion penetrating in a vertical direction at an upper end portion and an intermediate portion, and a support member provided between adjacent support columns. A drop prevention handrail consisting of a handrail rod, and two hook plates provided on both sides of the handrail rod with barbs protruding outward from both sides of the board on the lower outer side. An insert body provided with a stopper function for a handrail rod in a fall-prevention handrail, which is provided so as to be able to swing in the direction and has automatic return means for a hook plate that has swung inward. 2. An insert having a function of stopping a handrail rod in a handrail according to claim 1, wherein the outer surface of the hook plate is inclined inward and downward. 3. A plug-in body having a handrail rod stopper function in a drop-prevention handrail according to claim 1 or 2, wherein the substrate is mounted on the handrail rod so as to be vertically swingable. 4. A stopper for a handrail bar in a handrail according to claim 1, wherein two hook plates are overlapped and a pivot shaft penetrating them is fixed to a substrate. Plug-in. 5. The handrail rod of the handrail according to claim 1, wherein two hook plates are provided between the substrate and a regulating member provided at a position facing the substrate. Insert body with stopper function. 6. A handrail rod according to claim 1, 2, 3, 4, or 5, wherein a protrusion protruding outward from both sides of the substrate is provided on an upper outer portion of the hook plate. Insert body with stopper function. 7. A hook plate stopper is provided at an intermediate portion on both sides of the substrate.
Or a plug-in body having a handrail rod stopper function in the fall-prevention handrail of 6.