JP2002201781A - Corner connector for handrail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a corner connector for a handrail, which is easily bendable in one direction at an arbitrary angle. SOLUTION: The corner connector for the handrail consists of a cylindrical cover 12 which has flexibility and is formed of a synthetic resin, a main body 14 which is inserted into the cover 12, bendable in the one direction, and holes the shape of a bent state, and end caps 28 which each function as a connecting member and are each fixed to an end of a rod-like handrail member 38 adjacently arranged on an end of the main body 14. The main body 14 has a long and thin metallic plate 16 penetrated through a center thereof, and the metallic plate 16 has a plurality of support portions 18 densely protruding therefrom toward an inner peripheral surface of the cover 12 at predetermined intervals. Each support portion 18 has a length almost equal to the distance between the metallic plate 16 and the inner peripheral surface of the cover 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handrail corner connector for forming a bent portion of a handrail to be attached to a corridor or a staircase.

[0002]

2. Description of the Related Art Bar-shaped handrails provided in corridors and stairs are:
A bar-shaped handrail member is fixed to a wall or the like along the horizontal or stairs. Curved corner connectors are attached to the entrances and exits of stairs, corners of walls, and the like. As a conventional corner connector, for example,
There is a type in which a spring is inserted into a pipe-shaped corner member having appropriate flexibility and can be bent arbitrarily. Further, there is also a method in which a metal pipe is used as a core material, and when the metal pipe is bent, a spring bender is inserted to bend the pipe at an arbitrary angle so as not to be crushed. Both ends of the corner member are connected to a bar-shaped handrail member.

[0003]

In the case of the above-mentioned prior art, those having a spring therein are easily restored even if they have a strong elasticity, are difficult to work, and are difficult to construct. Also, when bending a pipe using a spring bender, it must be bent with a certain strength or more,
The work is labor-intensive and time-consuming. further,
In the case of the above-mentioned conventional technology, since the corner connector bends in an arbitrary direction, the bending operation must be performed accurately so as not to generate unnecessary distortion, and the on-site construction is troublesome.

The present invention has been made in view of the above-mentioned conventional problems, and has as its object to provide a handrail corner connection portion which can be easily bent and can be bent at an arbitrary angle in one direction. I do.

[0005]

According to the present invention, there is provided a cylindrical cover made of a synthetic resin having flexibility, a main body inserted into the inside of the cover, bent in one direction and holding the shape, and both ends of the main body. This is a handrail corner connection portion provided with a connecting member provided at the portion and fixed to an end of an adjacent rod-shaped handrail member. The main body is provided with a long and thin metal plate penetrating at the center, and the metal plate has a support portion having a length substantially equal to the distance from the inner peripheral surface of the cover toward the inner peripheral surface of the cover. A plurality is densely provided at predetermined intervals.

[0006] The support portion is a plate-like body made of synthetic resin, which is located at right angles to the longitudinal direction of the metal plate.
A plurality of the plate members are arranged at substantially equal intervals along the longitudinal direction of the metal plate. And the said metal plate is insert-molded in the said support part. Note that the shape of the support portion may be a disk shape. The metal plate is preferably formed of a light metal such as aluminum.

In the handrail corner connecting portion of the present invention, a metal plate penetrating the main body is bent only in a direction perpendicular to a pair of wide side surfaces formed along the longitudinal direction. And the support part integrally formed with the metal plate has the base end of the support part located at right angles to the metal plate regardless of the bending angle of the metal plate, and the tip of the support part is located on the inner peripheral surface of the cover. Contact and support so that the cover does not collapse.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 5 show an embodiment of the present invention. A handrail corner connecting portion 10 of this embodiment is provided with a cylindrical cover 12 on an outer surface. The cover 12 is provided with a flexible synthetic resin, for example, an olefin-based elastomer. Inside the cover 12, a main body 14 having substantially the same length as the longitudinal direction of the cover 12 is inserted.

The main body 14 has an elongated plate-like aluminum plate 16.
Is provided. The aluminum plate 16 has a constant cross-sectional shape, and has a pair of wide side surfaces 16a along the longitudinal direction, and a pair of narrow side surfaces 16 at right angles to the side surfaces 16a.
b.

The surface of the aluminum plate 16 is covered with a cover 20 made of a synthetic resin except for both ends in the longitudinal direction. The cover portion 20 is provided integrally with a disk-shaped support portion 18 having a shape slightly smaller than the inner peripheral surface of the cross-sectional shape of the cover 12 at right angles to the longitudinal direction of the aluminum plate 16 and the cover portion 20. Have been. A plurality of the support portions 18 are densely provided at regular intervals along the longitudinal direction of the aluminum plate 16 at predetermined intervals, and the peripheral portion of each support portion 18 is in contact with the inner peripheral surface of the cover 12. Located slightly inside. Cover part 2
The support 0 and the support 18 are made of a synthetic resin, for example, a PVC or olefin elastomer, and are integrally formed with the aluminum plate 16.

At both ends in the longitudinal direction of the cover portion 20, mounting portions 22 each having a disk shape having the same diameter as the support portion 18 and having a large thickness direction are formed. A pair of through holes 24 into which a flat head screw 31 to be described later is inserted are formed in the outer end surface 22 a of the mounting portion 22 to a part of the thickness of the mounting portion 22. A groove 26 into which a plate nut 37 described later is inserted is formed near the bottom of the through hole 24 so as to penetrate the outer surface of the mounting portion 22.

At both ends of the cover 12 and the main body 14, end caps 28, which are connecting members fixed to a bar-shaped handrail member 38 described later, are attached. The end cap 28 has a cylindrical side surface 30 that covers the outside of the cover 12, and a partition plate 32 perpendicular to the center axis direction of the side surface 30 is formed inside the side surface 30. One space of the end cap 28 divided by the partition plate 32 is a shallow space into which the cover 12 and the end of the main body 14 are inserted, and the other is a deep space into which the adjacent handrail member 38 is inserted. The partition plate 32 has a countersunk machine screw 3 described later.
A through hole 34 into which 1 is inserted is formed. Four through holes 34 are provided at equal intervals from each other. Here, the through hole 3
4 is a pair of through holes 24 formed in the mounting portion 22 of the main body 14.
, And a countersunk screw 31 described later is inserted therein. However, an extra pair of screws are provided to adjust the angle. In the side surface 30, a through hole 36 into which a wood screw 33 described later is inserted is formed in a part on the deep space side.

The cover 12 and the end of the main body 14 are fitted into the shallow space of the end cap 28 so that the through hole 3 is formed.
4 is aligned with the through hole 24 of the mounting portion 22 of the main body 14, and the flat head screw 31 is inserted from outside the end cap 28. At this time, a plate nut 37 is fitted in the groove 26 of the mounting portion 22 in advance, the tip of the countersunk screw 31 is screwed into the plate nut 37, and the cover 12, the main body 14, and the end cap 28 are integrally mounted.

Next, how to use the handrail corner connection portion 10 of this embodiment will be described. First, the handrail corner connection portion 10 is bent to an arbitrary angle by applying a force in accordance with a corner of a wall, a stairway entrance, or the like. At this time,
The handrail corner connection portion 10 bends only in a direction in which the pair of side surfaces 16a of the aluminum plate 16 bends. At this time, since each support portion 18 is separated from the adjacent support portion 18, no problem occurs. Further, the support portion 18 is made of the aluminum plate 1.
Even if the sheet 6 is bent, it is always located at a right angle to the aluminum plate 16, so that the peripheral portion of the support portion 18 is located at a certain distance from the aluminum plate 16 and supports the cover 12 at a certain thickness.
Then, the end of the handrail member 38 adjacent to the handrail corner connector 10 is inserted into the pair of end caps 28 of the handrail corner connector 10, and the wood screw 33 is inserted into the through hole 36 of the end cap 28, and the handrail member 38 is inserted. Fixed to.

[0015] Handrail corner connector 10 of this embodiment.
According to the method, it can be easily bent at a predetermined angle with a weak force, and the construction is easy. Since the thin aluminum plate 16 is provided at the center of the main body 14, the bending direction is constant, so that unnecessary distortion does not occur and the construction can be performed efficiently in a short time. In addition, the support portion 18
Even if the aluminum plate 16 is bent, it is always perpendicular to the aluminum plate 16. Therefore, the peripheral portion of the support portion 18 is located at a fixed distance from the aluminum plate 16, and the cover 12 is supported at a constant thickness even at the corner portion. can do. And body 1
4 has a low elasticity, so that once bent, the angle does not change due to the elasticity, which also facilitates construction.

It should be noted that the handrail corner connector of the present invention is not limited to the above-described embodiment, and the support portion 18
The shape, number, material, etc. of the can be freely changed. Also, the material and shape of the metal plate can be set as appropriate.

[0017]

The handrail corner connector of the present invention does not require a large amount of labor and can be easily installed at the corner of the handrail. Furthermore, since the bending direction is constant, the bending operation can be performed easily and in a short time, and the working efficiency is good and convenient.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view of a handrail corner connector according to an embodiment of the present invention.

FIG. 2 is a plan view of a main body of the handrail corner connector of this embodiment.

FIG. 3 is a vertical sectional view taken along line AA of FIG. 2;

FIG. 4 is a right side view of the handrail corner connector of this embodiment.

FIG. 5 is a perspective view showing a use state of the handrail corner connector of this embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Handrail corner connection part 12 Cover 14 Main body 16 Aluminum plate 18 Support part 22 Mounting part 24, 34, 36 Through hole 26 Groove part 28 End cap 32 Partition plate 38 Handrail member

Claims (3)

[Claims] 1. A cylindrical cover made of a synthetic resin having flexibility, a main body that is inserted into the inside of the cover and bends in one direction to maintain the shape, and a rod-like body provided at both ends of the main body and adjacent to each other. A connecting member fixed to the end of the handrail member is provided, a long thin metal plate is provided at the center of the main body, and the metal plate has a length substantially equal to the distance from the inner peripheral surface of the cover. A handrail corner connector, wherein a plurality of support portions are provided at predetermined intervals toward an inner peripheral surface of the cover. 2. The method according to claim 1, wherein the supporting portion is a plate-like body made of a synthetic resin positioned at right angles to a longitudinal direction of the metal plate, and the metal plate is insert-molded in the supporting portion. The handrail corner connector according to claim 1. 3. The handrail corner connector according to claim 1, wherein the metal plate is made of aluminum.