JPH04194255A - Connection structure for handrail for stairs - Google Patents

Abstract

PURPOSE:To perform a rapid and easy finish without a work to drill a hole in a handrail by mounting a plateform connection ring on the end surface of the one hand rail between handrails, intended to be connected together, by means of screws, and inserting a connection plate in the connection ring to lock the connection plate by means of screws. CONSTITUTION:A plateform connection ring 2 is located between handrails 1a and 1b and the end surface of the one handrail 1a is mounted to the ring by means of screws 4. A longitudinal piece 6 of a connection plate 5 is inserted in a notch 7 of the connection ring 2 and mounted on the handrail 1a by means of the screws 4. A lateral piece 8 of the connection plate 5 is then mounted on the under surface of the handrail 1b by means of screws 4. This structure performs easy and rapid connection of the handrails 1a and 1b to each other without a hole drilling work and improves appearance.

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a connection structure for handrails on stairs, and more specifically, it can be easily and quickly fixed with screws without drilling holes in the handrails to be connected. It is related to the technique used to achieve a good-looking finish.

[Prior Art] Conventionally, as shown in FIG. 5, in order to connect the handrails 1a and 1b of a staircase, a large-diameter blind hole d is formed on the lower surface side of one of the handrails 1a, and a through hole C is formed. , insert a hanger bolt e to protrude from the through hole C, screw the hanger bolt e into the other handrail 1b through the blind hole d, and the adhesive applied between the handrails la and lb will protrude. Remove the material from the handrails 1a and 1 and apply sandpaper.
This eliminates the difference in level between holes b, and furthermore, a faucet is inserted into the blind hole d.

[Problems to be Solved by the Invention] However, with such a structure, it is necessary to drill holes, fill the holes with faucets, and finish to eliminate the difference in level between the handrails. There were problems such as poor workability and easy appearance deterioration.

The present invention was made in view of these problems,
The purpose is to provide a connecting structure for stair handrails that can be easily and quickly finished with screws and has a good appearance without drilling holes in the handrails to be connected.

"Means for Solving the Problems" In the staircase handrail connection structure of the present invention, a plate-shaped connecting ring 2 interposed between the connected handrails la and lb is attached to the end face of one handrail 1a. The vertical piece 6 of the L-shaped connecting plate 5 is inserted into the notch 7 of the connecting ring 2, and the vertical piece 6 is attached to one handrail 1a with the screw 4, and the connecting plate 5 is attached with the screw 4. This is characterized in that the horizontal piece 8 of the handrail 5 is attached to the lower surface of the other handrail 1b with screws 4.

In addition, there are handrails la on the front and back surfaces of the connection ring 2.

It is characterized in that a recess 3 is formed into which the end portion of 1b can be inserted.

[Operation] In this way, the plate-shaped connecting ring 2 interposed between the connected handrails 1a and lb is attached to the end face of one handrail 1a with screws 4, and the L-shaped connecting plate 5 The vertical piece 6 is inserted into the notch 7 of the connecting ring 2, and the vertical piece 6 is attached to one handrail 1a with the screw 4, and the horizontal piece 8 of the connecting plate is attached to the underside of the other handrail 1b with the screw 4. , the connecting ring 2 is fixed to one handrail 1a with screws 4, the vertical piece 6 of the connecting plate 5 is fixed to one handrail 1a with screws 4, and the connecting plate 5 is By fixing the horizontal piece 8 to the other handrail lb with screws 4 on the bottom side, the handrails la and lb can be easily and quickly connected by just screwing without drilling holes. A plate-shaped connection ring 2 is interposed between 1a and lb to enhance the appearance of the connection point.

In addition, there are handrails la on the front and back surfaces of the connection ring 2.

The ends of the handrails 1a, 1b are connected to the connecting ring 2 by forming a recess 3 into which the end of the handrail 1b can be inserted.
It is placed in the recess 3 of the screen, and is designed to further enhance the appearance without applying a paper finish.

[Examples] The present invention will be described in detail below based on examples shown in the accompanying drawings.

FIG. 1 shows a partial side view of a staircase, in which a main pillar 9 is erected on the floor, the lower end of a girder 10 is supported by the main pillar 9 and the floor, and treads 11... is constructed, balusters 12 are erected on the footboards 11, and these balusters 1
Handrails la and lb are supported between the main pillars 9 and 9.

The handrails la and lb have a substantially square cross-sectional shape, but the design can be changed in various ways. A plate-shaped connecting ring 2 interposed between the handrails la and lb to be connected has an outer shape slightly larger than that of the handrails la and lb, and has a connecting flange 13 on the inner and outer surfaces of the outer periphery.
The connecting plate 5 has a concave portion 3.3 in length on the inner and outer surfaces thereof so as to protrude. This connection plate 5 has a notch 7 that is open downward. The connecting plate 5 is formed in an oval shape, and its vertical piece 6 has a size and thickness that corresponds to the notch 7 of the connecting ring 2. 3, and the connecting ring 2 is attached to one handrail 1a with screws 4 in the attachment hole 14. Then, the vertical piece 6 of the L-shaped connecting plate 5 is inserted into the notch 7 of the connecting ring 2, and the vertical piece 6 is attached to one handrail 1a with the screw 4 in its mounting hole 15.
Can be installed at Next, the end of the other handrail 1b is fitted into the recess 3 of the connecting ring 2, and the horizontal piece 8 of the connecting plate 5 is brought into contact with the lower surface of the other handrail 1b, and its attachment hole 1
5, it is fixed with screws 4. A pair of protruding pieces 16 protrude from the base end of the horizontal piece 8 of the connecting plate 5, and are fixed to the lower surface of one handrail la with screws 4 in the attachment holes 15 of the protruding pieces 16.

In this way, the plate-shaped connection ring 2 interposed between the handrails la and Lbm to be connected is attached to the end face of one handrail 1a with screws 4, and the vertical piece 6 of the L-shaped connection plate 5 is attached to the end face of one handrail 1a. The vertical piece 6 is inserted into the notch 7 of the connecting ring 2 and is attached to one handrail 1a with screws 4, and the horizontal piece 8 of the connecting plate 5 is attached to the lower surface of the other handrail 1b with screws 4. Thus, the connecting ring 2 is fixed to one handrail 1a with screws 4, the vertical piece 6 of the connecting plate 5 is fixed to one handrail la with screws 4, and the horizontal piece 8 of the connecting plate 5 is fixed to the other handrail la. By fixing the handrail 1b on the underside with screws 4, the handrails la and l can be fixed with just the screws without having to drill holes.
b can be easily and quickly connected, and the handrail la,
A plate-shaped connection ring 2 is interposed between the lbs to enhance the appearance of the connection point. Recesses 3 into which the ends of the handrails la and lb can be inserted are formed on the front and back surfaces of the connecting ring 2, so that the ends of the handrails 1a1 and 1b are inserted into the recesses 3 of the connecting ring 2. The paper finish further enhances the appearance.

[Effects of the Invention] In summary, the present invention has a plate-shaped connecting ring interposed between connected handrails, which is attached to the end face of one handrail with screws, and a vertical piece of an L-shaped connecting plate. The connecting ring is inserted into the notch in the connecting ring, and the vertical piece is attached to one handrail with screws, and the horizontal piece of the connecting plate is attached to the bottom of the other handrail with screws, so the connecting ring can be attached to one handrail. Fasten the vertical piece of the connecting plate to one handrail with a screw, and then fasten the horizontal piece of the connecting plate to the bottom side of the other handrail with a screw, and then drill a hole. There are advantages in that the handrails can be connected easily and quickly without using screws, and that a plate-shaped connecting ring is interposed between the handrails to enhance the appearance of the connection points.

In addition, there are recesses formed on the front and back surfaces of the connection ring into which the end of the handrail can be inserted, so the end of the handrail is inserted into the recess of the connection ring and vapor finishing is performed. It has the advantage of being able to further enhance the appearance without sacrificing it.

[Brief explanation of the drawing]

Fig. 1 is a side view of the inside of a staircase according to an embodiment of the present invention, Fig. 2 is an exploded perspective view of the same as the above, Fig. 3 is a sectional view of the same as the above in a connected state, and Fig. 4 (a) + b) is the same as the above. Top view of the connection plate,
The side view and FIG. 5 are sectional views of the conventional example. la, lb--handrail, 2--connecting ring, 3-recess, 4--screw, 5--connecting plate, 6--vertical piece,
7. Notch, 8. Horizontal piece. Agent Patent Attorney Ishi 1) Chief Figure 7 1

Claims (2)

[Claims] (1) A plate-shaped connecting ring interposed between the connected handrails is attached to the end face of one handrail with screws, and the vertical piece of the L-shaped connecting plate is inserted into the notch of the connecting ring. A stair handrail connection structure in which a vertical piece of a connecting plate is attached to one handrail with screws, and a horizontal piece of a connecting plate is attached to the lower surface of the other handrail with screws. (2) The stair handrail connection structure according to claim 1, wherein a recess into which an end of the handrail can be inserted is formed on the front and back surfaces of the connecting ring.