JPH116268A - Connecting structure of handrail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a handrail sanitary and improve durability of the handrail by inserting a handrail main body fitted with a bracket at the end in a coupling member formed by a pipe member which is provided with a pair of recessed grooves on the outer peripheral surface thereof and a rib on the inner peripheral surface. SOLUTION: A pair of recessed grooves 2 are symmetrically provided in the longitudinal direction on the outer peripheral surface of a pipe member 1 having a designated length which is made of semi hard synthetic resin as raw material. Further a rib comprising a horizontal rib 3a and a vertical rib 3c is provided in the longitudinal direction on the inner peripheral surface of the pipe member 1, and further connecting parts 5 to the handrail main body 4 are formed on the insides of both ends of the pipe member 1. The handrail main body 4 fitted with a bracket 7 at the end is inserted in the thus constructed coupling member 6, and the coupling member 6 and the handrail main body 4 are connected to each other. Thus, it is possible to obtain a connecting structure which is sanitary, excellent in durability and flexibility.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection structure for a handrail to be attached to an inclined portion such as around a step.

[0002]

2. Description of the Related Art Conventionally, as a handrail structure around a staircase, there has been a structure in which a bending member having the same cross-sectional shape as a straight handrail member is formed as a joint member. Since the inclination and the bend angle are different, they must be manufactured in accordance with the installation location, and the dimensional accuracy is required. Therefore, the formation is troublesome and the cost is high.

Therefore, in order to improve such irrationality, for example, as described in Japanese Utility Model Registration No. 3023802, a plurality of annular convex ribs are integrally formed on the outer surface of a flexible tubular resin molded product. Molded joint member or
It has been proposed to connect a handrail member by bending a cylindrical joint member made of a soft synthetic resin or an elastomer as shown in JP-A-137573 according to the inclination around the stairs.

[0004]

The handrail member described above has been improved in comparison with the prior art in that it can be easily adjusted to inclination around a staircase or the like, but is described in Japanese Utility Model Registration No. 3023802. In the case of a joint member in which an annular convex rib is integrally molded with the flexible tubular resin molded product described, it is difficult to match the design taste because the shape is unique,
In addition, since the recess is difficult to clean, it is not preferable for hygiene. Further, in order to integrally mold the annular convex rib, a relatively soft resin must be used. However, there is a problem that the soft resin is easily damaged and easily aged.

On the other hand, in the case of a joint member in which a flexible resin such as a soft synthetic resin or an elastomer described in Japanese Patent Application Laid-Open No. 9-137573 is formed in a cylindrical shape, the material is soft and easily scratched, resulting in unsanitary condition. It has many problems, such as the fact that it is likely that the design is inconsistent due to the difference in the material from the straight member and that it often does not match the design intention.

[0006]

Therefore, in order to solve such a conventional problem, a pair of concave grooves are formed along the longitudinal direction on the outer peripheral surface of a pipe member of a predetermined length made of semi-rigid synthetic resin. A rib is provided along the longitudinal direction on the inner peripheral surface of the pipe member, and a connection part with the handrail body is formed inside both ends of the pipe member. By inserting the attached handrail body and connecting the joint member and handrail body, it can be combined with commonly used handrail members such as wood, steel, hard synthetic resin, etc., An object of the present invention is to provide a sanitary handrail connection structure that is resistant to damage and easy to clean.

Further, ribs provided along the longitudinal direction on the inner peripheral surface of the tube member are formed by forming ribs on both ends of each protrusion formed on the inner peripheral surface corresponding to the concave groove on the outer peripheral surface of the tube member. The horizontal ribs provided for connection and the vertical ribs provided above and below the inner peripheral surface of the pipe member in a direction perpendicular to the horizontal ribs respectively allow deformation when the pipe member is bent. Can be prevented.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the handrail connection structure according to the present invention will be described below in detail with reference to the accompanying drawings. It should be noted that the present invention is not limited to this embodiment, and it goes without saying that various design changes can be made without departing from the spirit of the present invention.

First, in the connection structure of the present invention, a pair of concave grooves 2, 2 are provided symmetrically along the longitudinal direction on the outer peripheral surface of a pipe member 1 of a predetermined length made of semi-rigid synthetic resin, and the pipe member is provided. A rib 3 is provided on the inner peripheral surface of the tube member 1 along the longitudinal direction, and a bracket 7 is provided at an end of a joint member 6 having a connection part 5 with a handrail body 4 formed on both inner sides of the tube member 1. The handrail body 4 that has been worn is inserted and the joint member 6 and the handrail body 4 are connected.

The pipe member 1 is made of polyethylene or polyolefin synthetic resin. A rib 3 provided on the inner peripheral surface of the tube member 1 along the longitudinal direction.
Are horizontal ribs 3a provided on the inner peripheral surface corresponding to the concave grooves 2 on the outer peripheral surface of the pipe member 1 so as to connect both end sides to the respective projecting portions 8, 8; It is composed of vertical ribs 3b and 3c provided in a direction perpendicular to the horizontal ribs 3a above and below the surface.

Further, the bracket 7 has a bottomed cylindrical shape made of zinc die-cast and has a diameter slightly smaller than that of the handrail body 4 and is screwed to an end of the handrail body 4. on the other hand,
The connecting portions 5 formed at both ends of the pipe member 1 are
The connecting portion 5 has an annular groove formed on the outer peripheral surface thereof, and a reinforcing ring 9 is fitted in the groove. Then, the reinforcing ring 9, the connecting portion 5 and the bracket 7 are integrally fixed with screws 10,
The joint member 6 and the handrail body 4 are connected.

The handrail connection structure formed in this manner has, for example, an inclination of about 135 ° when rising from a horizontal portion around a staircase to a straight staircase. When connected via the joint member 6, the pipe member 1
The tube member 1 can be bent without difficulty due to the elasticity of the groove 2 and the slight deformation of the concave grooves 2 and 2, and the vicinity of the concave grooves 2 and 2 is formed by the horizontal ribs 3a provided inside the concave grooves 2 and 2. It is also possible to avoid projecting outward, and furthermore, the vertical ribs 3b, 3c
Thereby, it is possible to prevent the pipe member 2 from being locally flattened.

The inclination angle of 135 ° from the horizontal portion to the straight staircase around the stairs is the most inclined as the staircase of the general structure. Since the stairs have a gentle slope of about 165 °, the joint member 6 alone can sufficiently cope with any case. In addition, since there is some room for twisting, it is possible to sufficiently cope with the case of stairs that bend while tilting, and even if the opposing surfaces of the adjacent handrail bodies 4, 4 are slightly displaced, the joint member 6 can be used. Can be corrected.

Further, since the tube member 1 is made of polyethylene or polyolefin-based synthetic resin, the tube member 1 has a tough property against local pressing, is hardly damaged and is easy to clean. It is hygienic and durable.

Further, since the tube member 1 can express the color and the surface shape minutely, generally used wood,
Colors and shapes suitable for handrail members such as steel and hard synthetic resin can be adopted.

[0016]

As described above, according to the present invention, a pair of concave grooves are formed symmetrically along the longitudinal direction on the outer peripheral surface of a pipe member having a predetermined length made of semi-rigid synthetic resin. A hand provided with a rib provided along the longitudinal direction on the inner peripheral surface of the pipe member and a connection part with a handrail body formed inside both ends of the pipe member, and a bracket attached to an end portion of the joint member. By inserting the handrail body and connecting the joint member and handrail body, the shape is simple and it is easy to express the texture according to the material of the handrail member, so it can be combined with the handrail member without discomfort, In addition, since it is hard to be damaged and easy to wash, it is hygienic and has excellent durability. Furthermore, it is possible to cope with the case where the angle of the connecting portion of the handrail member is different, so that it has versatility, and has various advantages such as easy handling due to its simple structure and light weight.

[Brief description of the drawings]

FIG. 1 is an explanatory sectional view of a main part showing an embodiment of a handrail connection structure according to the present invention.

FIG. 2 is an explanatory cross-sectional view of a main part of a joint member of the handrail connection structure shown in FIG. 1;

FIG. 3 is an explanatory sectional view of the joint member shown in FIG. 2 taken along the line AA.

FIG. 4 is an explanatory diagram showing a usage example of the handrail connection structure shown in FIG. 1;

[Explanation of symbols]

Reference Signs List 1 pipe member, 2 concave groove, 3 rib, 4 handrail body, 5 connection part, 6 joint member, 7 bracket, 8 protrusion, 9 reinforcing ring, 10 screw,

Claims (2)

[Claims] In a connection structure for connecting the ends of adjacent handrail bodies via a joint member, the joint member is formed in a longitudinal direction on an outer peripheral surface of a pipe member of a predetermined length made of semi-rigid synthetic resin. Along with providing a pair of concave grooves symmetrically along with a rib along the longitudinal direction on the inner peripheral surface of the tube member, further formed a connection portion with the handrail body inside both ends of the tube member,
A handrail connection structure, characterized in that a handrail body with a bracket attached thereto is inserted into a connection portion of the joint member to connect the joint member and the handrail body. 2. A rib provided on the inner peripheral surface of the tube member along the longitudinal direction has two ends on each protruding portion formed on the inner peripheral surface corresponding to the concave groove on the outer peripheral surface of the tube member. 2. The handrail connection structure according to claim 1, further comprising a horizontal rib provided for connection, and vertical ribs provided on upper and lower inner peripheral surfaces of the pipe member in directions perpendicular to the horizontal rib, respectively.