JPH09291671A - Decoration structure of stringer for stair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily fit decoration members to stringers afterward, by inserting the rear end of treads into the stringers and holding it therein so as to project the ends thereof to the side of the stringers and covering the side ends of the front face of the stringers with the decoration members from both sides by use of the decoration members with a nearly L-shaped section made of the upper face material and the side face material. SOLUTION: The rear end of treads 2 is inserted in stringers 1 so as to project the ends 2a thereof to the side of the stringers 1 and hold it therein. The end of the front face side of the stringers 1 is covered with the decoration members 3 from both sides by use of a pair of these decoration members with a nearly L-shaped section constituted of the upper face material 3a and the side face material 3b. The front side and the side end of the treads 2 are projected so as to cover the side end of the front face of the stringers 1 and since the decoration members 3 can be fitted so as to hold the stringers 1 from both sides, the projections of the treads 2 do not hinder the covering works of the decoration members 3 and the decoration members can be easily fitted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stair girder decorative structure, and more particularly to a stair girder with a tread plate inserted and held so that its end portion is projected, for stairs. Decorative structure of beam material.

[0002]

2. Description of the Related Art Conventionally, stairs as shown in FIG. 6 have been used. In this staircase, the rear side of the footboard 2 is inserted and held in the girder material 1 so that the end portion thereof projects to the side of the girder material 1. The handrail 4 is erected on the footboard 2 and the handrail 8 is installed. Such a stair is a tread 2
It is preferred because it has a light design because the front end of the side end is open.

Further, at the end portion on the front surface side of such a girder material 1,
It is also performed to improve the design by giving it a edging effect.

[0004]

However, in the above-mentioned conventional example, the decorative material which is to be bordered when the footboard 2 is inserted and held or the handrail 4 is erected. Retrofitting can be a daunting task. That is, the footboard 2 or the handrail 4 is an obstacle, and the decorative material cannot be easily attached to the front end of the girder 1. Therefore, under the present circumstances, the end portion of the girder material 1 itself is decorated before the footboard 2 or the handrail 4 is attached.

The present invention has been made to solve the above problems, and an object thereof is to easily attach a decorative material to a girder material after assembling a stair by attaching a footboard or a handrail. It is to provide a decorative structure for stair girders that can be retrofitted.

[0006]

In order to solve the above-mentioned problems, the invention according to claim 1 inserts and holds the rear side of the step board 2 into the girder material 1 so that the end 2a thereof projects to the side of the girder material 1. In addition, a pair of decorative materials 3 each having a substantially L-shaped cross section, which includes an upper surface material 3a and a side surface material 3b, are used, and the front end portion of the girder material 1 is covered from both sides with these decorative materials 3. Is configured as.

In such a stair girder decorative structure, a pair of decorative materials 3 can be covered by sandwiching the girder 1 from the side. Therefore, the step board 2 which projects so as to cover the girder material 1 so as not to cover the girder material 1 does not interfere with the work of covering the decorative material 3, and the decorative work can be easily performed.

According to a second aspect of the present invention, in the first aspect of the present invention, a handrail 4 is erected on the upper surface of the tread plate 2, and the handrail 4 is arranged close to the upper surface of the front end of the beam member 1. Notch at the front end corner of the top surface material 3a of the decorative material 3.
3c is formed, and the lower end of the handrail 4 is fitted in the notch 3c.

In such a stucco girder decorative structure, the notch 3c avoids the handrail 4 arranged close to the upper surface of the front end of the girder 1, and the decorative material 3 is easily covered. Besides, the handrail 4 can be firmly fitted and held in the notch 3c.

The third aspect of the present invention is the first or second aspect.
In any one of the above inventions, the decorative material 3 is coated on the girder material 1 so that the upper surface material 3a on both sides has a clearance, and the clearance between these upper surface materials 3a is used as the fitting groove 5, and the upper piece is The pushing edge 6 is formed in a substantially T-shaped cross section as the pressing piece 6a, and the pushing edge 6 is fitted and held in the fitting groove 5.

In such a stucco girder makeup structure, the pressing piece 6a is projected, and it is possible to apply a decorative makeup with unevenness. Then, the decorative material 3 can be pressed and held, and the end faces of both the decorative materials 3 can be hidden to apply makeup.

[0012]

DETAILED DESCRIPTION OF THE INVENTION One embodiment of the present invention will be described below with reference to the accompanying drawings.

The first embodiment will be described below with reference to FIGS. 1 to 4. FIG. 1 is a perspective view showing the entire staircase having a decorative structure of stair girder material according to this embodiment.
2A and 2B show a makeup structure of the stair girder material, where FIG. 2A is a front view and FIG. 2B is a side view. FIG. 3 is a plan view showing a main part of the decorative structure of the stair girder material. Further, FIG. 4 is a cross-sectional view of an essential part showing a different example of this embodiment.

The staircase shown in FIG. 1 is a round staircase that is bent in a substantially L shape, and the left side portion of this figure is in contact with the wall surface 9. The right side portion of the lower portion of the L-shape is formed by inserting the rear side of the footboard 2 into the girder material 1 so that the end 2a thereof projects to the side of the girder material 1.

Then, as shown in detail in FIG. 2 or FIG. 3, with respect to the above-mentioned girder material 1, an upper surface material 3a and a side material 3b are provided.
Cosmetics 3 having a substantially L-shaped cross section composed of and are used for makeup. That is, the girder material 1 is formed by these decorative materials 3.
By covering the entire front end portion of the girder material 1 so that the front end portion is sandwiched from both sides, an uneven and highly designed appearance is obtained.

That is, in the L-shaped lower portion of the staircase as described above, the front and side ends of the footboard 2 project forward so as to cover the front end of the girder 1.
However, since the decorative material 3 can be attached by sandwiching the girder material 1 from the side, the projecting portion of the step board 2 does not interfere with the covering operation of the decorative material 3 and the mounting operation can be easily performed. Is supposed to be able to do. Therefore, even after the step board 2 is attached and the stairs are assembled, the decorative material 3 can be easily retrofitted to the girder 1 and the front end of the girder 1 can be provided with an uneven design. .

Further, in this staircase, a handrail 8 is installed on a handrail 4 standing on the upper surface of the footboard 2. In FIG. 1, one handrail 4 is erected on one footboard 2, but as shown in FIG. 2 or FIG. 3, two handrails 4 can be erected on one footboard 2. . The illustration of the handrail 4 is omitted in FIG. Then, one of the handrails 4 is arranged close to the upper surface of the front end of the girder material 1, and the lower end of the handrail 4 is formed in the notch 3c formed at the front end corner of the upper surface material 3a of the decorative material 3. It is provided with the part fitted.

The girder material 1 is formed by the notch 3c as described above.
There is an advantage that the decorative material 3 can be easily covered while avoiding the handrail 4 which is arranged close to the upper surface of the front end of the. That is, the decorative material 3 can be retrofitted to the girder material 1 of the stairs assembled in the state where the handrail 4 is erected. Then, the handrail 4 is firmly fitted and held in the notch 3c, and the design in which the lower end of the handrail 4 is covered with the decorative material 3 is obtained.

As shown in FIG. 4, the upper surface material 3a on both sides is formed.
It is also possible to make up the girder material 1 by covering the girder material 1 with the decorative material 3 so that there is a gap which becomes the fitting groove 5, and by fitting the auxiliary decorative material 7 into the fitting groove 5. . In this case, the auxiliary decorative material 7 may be formed to have a thickness that projects more than the decorative materials 3 on both sides to obtain a design having a change in appearance.

A second embodiment will be described below with reference to FIG. This figure is a cross-sectional view showing the decorative structure of the stair girder material of this embodiment, and in this embodiment,
In addition to the decorative material 3, the pushing edge 6 is used to make up the girder material 1 to obtain a design having a convex portion projecting to the front side of the girder material 1.

In other words, the girder material 1 is coated with the decorative material 3 so that a gap to be the fitting groove 5 is formed between the upper surface materials 3a on both sides. Then, the cross section having the upper piece as the pressing piece 6a is substantially T
The pushing edge 6 formed in a V shape is fitted and held in the fitting groove 5.

By using such a pushing edge 6, it is possible to apply a makeup with a high design property in which the portion of the pressing piece 6a is projected. Further, the pressing piece 6a can hold the decorative material 3 under pressure and can hide the end surfaces of both the decorative materials 3. In addition, when the upper surface material 3a of the decorative material 3 on both sides is nailed and fixed to the girder material 1, the decorative material 3 is firmly fixed and the nail head 10 holds the pressing piece 6a of the pushing edge 6a. The part can be hidden by the part, and the cosmetic material 3 can be fixed with good appearance.

[0023]

According to the invention as set forth in claim 1, after the step plate is attached and the stairs are assembled, the decorative material is easily retrofitted to the girder material, and the girder material is provided with an uneven design. You can In other words, since the pair of decorative materials can be covered by sandwiching the girder material from both sides, even if the tread plate projects above the girder material, this tread plate does not interfere with the work of attaching the decorative material. is there.

According to the second aspect of the invention, the decorative material can be easily attached to the girder material after the handrail is attached and the stairs are assembled. That is, the lower end of the handrail can be fitted and held in the cutout portion, and a design in which the lower end of the handrail is covered with a decorative material is obtained.

According to the third aspect of the present invention, it is possible to apply a design makeup in which the pressing piece on the pushing edge projects. Then, the pressing piece can press and hold the decorative material and can hide the end surfaces of both the decorative materials. Therefore, when the upper surface material of the decorative material is fixed by a nail or the like, the nail can be hidden to improve the appearance.

[Brief description of drawings]

FIG. 1 is a perspective view showing an entire staircase having a decorative structure of stair girders in a first embodiment of the present invention.

2A and 2B show a makeup structure of the above-mentioned stair girder material, where FIG. 2A is a front view and FIG. 2B is a side view.

FIG. 3 is a plan view showing a main part of the decorative structure of the stair girder material in the above.

FIG. 4 is a cross-sectional view of essential parts showing a decorative structure of stair girders of another example in the same embodiment.

FIG. 5 is a cross-sectional view of essential parts showing a decorative structure for stair girders according to a second embodiment of the present invention.

FIG. 6 is a side view showing a conventional example.

[Explanation of symbols]

 1 Girder material 2 Footboard 3 Decorative material 3a Upper surface material 3b Lower surface material 3c Notch 4 Handrail 5 Fitting groove 6a Holding piece 6 Push edge 7 Auxiliary cosmetic material 8 Handrail 9 Wall surface 10 Nail head

Claims (3)

[Claims] 1. A girder member is provided with its end protruding laterally,
Insert the rear side of the footboard into the girder material to hold it,
A decorative material for staircases, characterized in that a pair of decorative materials having a substantially L-shaped cross section composed of an upper surface material and a side surface material are used, and the front end portions of the girder material are covered from both sides with these decorative materials. Construction. 2. A handrail is erected on the upper surface of the footboard, and the handrail is arranged close to the upper surface of the front end of the girder material, and a notch is formed in the front end corner portion of the upper material of the decorative material. The decorative structure for stair girders according to claim 1, wherein the lower end of the handrail is fitted into the notch. 3. A girder material is covered with a decorative material so that gaps are formed between the upper surface materials on both sides, and the gap between these upper surface materials serves as a fitting groove, and the upper piece serves as a substantially T-shaped cross section. The decorative structure for stair girders according to any one of claims 1 and 2, wherein a pushing edge is formed and the pushing edge is fitted and held in the fitting groove.