JPH06240834A - Connecting structure of coping material and ring for connecting coping material used for the structure - Google Patents

Abstract

PURPOSE:To improve the workability of the installation of a handrail. CONSTITUTION:The connecting structure of a coping material is composed of two coping materials 2, 2 coupled on one core material 1 and a ring A for combining the coping materials. The ring A for combining the coping materials has a soft section 5 on an outer circumferential section, and is interposed between the end faces 2a, 2a of the coupled two coping materials 2, 2 under the state of the connection of the coping materials 2. The end faces 2a, 2a of the two coping materials 2, 2 are press-contacted with the soft section 5 of the ring A for combining the coping materials, thus preventing the generation of a clearance in connected sections.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for connecting headwood and a ring for connecting headwood used therein.

[0002]

2. Description of the Related Art Generally, stair handrails and the like are formed by fitting and covering cap wood on the surface of a core material made of a hard material. It is necessary to connect and form headwood.

Conventionally, in the connection of the head lumber in this way, if the end surfaces of the head lumber are directly brought into contact with each other, the expansion and contraction of the head lumber after construction causes a problem such as a gap in the connecting portion. For this reason, the connecting portion of the headwood and the connecting portion of the core material are made to coincide with each other, and for example, the edge of the adjacent headwood is wrapped by using a connecting tool of the core material.

[0004]

However, the above-mentioned conventional example has a drawback that the workability is remarkably reduced because it is necessary to match the connecting portion of the headwood with the connecting portion of the core material. there were.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned drawbacks, and provides a connection structure of head wood for improving the workability of installing handrails and a head wood connection ring used therefor. With the goal.

[0006]

According to the present invention, the above object is achieved by fittingly covering a core material 1 and connecting them on the same core material 1 as shown in FIG. 1 corresponding to an embodiment. It has a headwood 2, 2 and a headwood connecting ring A which is fitted and fixed to an appropriate position of the core material 1 and has a soft portion 5 on the outer peripheral portion thereof. This is achieved by providing a connection structure of the head wood to be connected by pressing the 2a to the soft portion 5 of the head wood connecting ring A.

[0007]

The cap wood connecting structure according to the present invention is composed of two cap woods 2, 2 which are connected on one core 1 and a cap wood connecting ring A.

The headwood connecting ring A is provided with a soft portion 5 on its outer peripheral portion, and when the headwood 2 is connected, it is interposed between the end surfaces 2a, 2a of the two headwoods 2, 2 that are connected. . The end surfaces 2a, 2a of the two head lumbers 2, 2 are pressed against the soft portion 5 of the head lumber connecting ring A, and a gap is prevented from being generated at the connecting portion.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will now be described in detail with reference to the accompanying drawings. 1 to 3 show a handrail to which the present invention is applied.

First, the handrail 6 is formed by fitting and mounting the cap wood 2 on the outer surface portion of the core material 1. The core material 1 is formed by extruding an aluminum material, and has support projections 7 that are bulged at the four corners to support the inner wall of the shade wood 2.
The fitting groove 8 is formed by 7.

On the other hand, the shade wood 2 is formed of a soft or semi-rigid synthetic resin material into a substantially C-shaped cross section, and an opening edge thereof is bent inward to provide a locking portion 9. By locking the locking portion 9 to the lower end of the lower supporting protrusion 7 of the core material 1, the core material 1 is fitted and covered.

In order to connect the head lumber 2 at an intermediate portion of the core material 1, a core wood connecting ring A is attached to the core material 1. As shown in detail in FIG. 3 and subsequent figures, the Kasaki connecting ring A includes a hard ring portion 3, a fixing piece 4, and a soft portion 5.

The hard ring portion 3 is formed by bonding two ring pieces 10 and 10 formed by punching a metal member into a ring shape to prevent warping and tearing during punching. A reinforcing portion 10a is formed on the inner peripheral portion of each ring piece 10 at a portion that does not interfere with the core material 1.

Further, each of the ring pieces 10 has a projecting piece projecting inward from the inner peripheral portion at the time of punching, and the projecting piece is bent at a right angle to form the fixing piece 4. .
The fixing piece 4 has a dimension in the width direction that can be fitted in the fitting groove 8 of the core material 1, and a screw hole 11 is bored in the middle portion thereof.

The soft portion 5 is formed in a ring shape from a soft vinyl chloride resin material and is bonded to the outer circumference of the hard ring portion 3. The soft portion 5 is formed to be wider than the widthwise dimension of the hard ring portion 3, and the side end thereof is thinned toward the tip to form an elastically deformable portion 5a.

In this embodiment, the hard ring portion 3 is formed by adhering two metal ring pieces 10 and 10, and the soft portion 5 made of soft material is adhered to the outer periphery thereof. However, the manufacturing method is not limited to this. For example, the hard ring portion 3 is injection-molded with a hard synthetic resin material, and the soft portion 5 is integrally molded with the soft material when the hard ring portion 3 is molded. Is also possible.

Therefore, in this embodiment, in order to connect the head lumber 2 at the middle portion of the core material 1, first, the hard ring portion 3 is externally fitted to the core material 1, and then the connecting portion of the head lumber 2, 2 is connected. Then, attach the Kasagi connecting ring A.

After that, when the elastically deformable portion 5a of the headstock connecting ring A is mounted in a state in which it is slightly deformed from both sides by the end faces 2a, 2a of the headstock 2, 2, the elastically deformable portion 5a is mounted.
Intervenes between the two shade woods 2, 2 and fills the gap between the shade woods 2 by the deformation thereof.

Further, in this embodiment, shrinkage prevention metal fittings 12 are screwed in the vicinity of the connecting portion of the shade wood 2. The shrinkage prevention metal fitting 12 cuts and raises a side edge of an elongated rectangular metal plate material formed in a widthwise dimension that can be fitted into the fitting groove 8 of the core material, and has a sharp tip on the centerline in the widthwise direction. The plurality of penetrating pins 13, 13 ... Are formed so as to project, and are screwed by a screw 15 which is inserted into a screw hole 14 formed in the center and screwed into the core material 1.

Therefore, in this embodiment, when the core material 1 fitted with the shrinkage-preventing metal fittings 12 is covered with the coating material and then the upper and side portions of the coating material are pressed, the core material 1 is fixed in the fitting grooves 8. The penetration pin 13 of the shrinkage prevention metal fitting 12 digs into the fleshy portion of the shade wood 2 to cause thermal contraction, thermal expansion, or relative movement of the shade wood 2 with respect to the core material 1 due to release of thermal stress when the shade wood 2 is attached. It is regulated to prevent a gap from being formed between the head wood 2 and the head wood connecting ring A.

[0021]

As is apparent from the above description, according to the connection structure of the head wood in the present invention, the head wood connection ring is fixed at an appropriate position of one core material, and the head wood connection ring is fixed. Since the soft part of is placed between the end faces of the two headwoods, it is possible to connect the two headwoods even on a single core material, improving the workability of installing the handrail. it can.

Further, when the headwood connecting ring for realizing the above connecting structure is formed by fixing the soft portion to the outer peripheral edge of the hard ring portion which can be externally fitted and fixed to the core material, the structure is simplified, In addition, the workability of connection can be improved, and further, when the elastically deformable portion is projected in the width direction of the soft portion, the elastically deformable dimension becomes large, and the effect of preventing the gap can be further exerted.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view of FIG.

FIG. 3 is a sectional view taken along line BB of FIG.

FIG. 4 is an overall perspective view of a headwood connecting ring.

5 is a cross-sectional view of FIG.

[Explanation of symbols]

 1 core material 2 cap wood 2a end face 3 hard ring part 4 fixing piece 5 soft part 5a elastically deforming part A cap wood connecting ring

Claims (2)

[Claims] Claim: What is claimed is: 1. Two headwoods fitted and covered by a core material and connected on the same core material, and a headwood connection externally fitted and fixed to an appropriate position of the core material and provided with a soft portion on the outer peripheral portion. And a connecting ring, wherein the cap wood is connected by pressing the end faces of the cap wood against the soft portion of the cap wood connecting ring. 2. A hard ring portion externally fitted to the core material, a fixing piece extending from the hard ring portion in the longitudinal direction of the core material and fixed to the core material, and fixed to an outer peripheral edge of the hard ring portion. , A cap wood connecting ring made of a soft portion having an elastically deformable portion protruding in the width direction.