JPH0544316A - Riser for staircase and staircase - Google Patents

Abstract

PURPOSE:To facilitate process by providing an intermediate plate forming a curved shape, two end plates forming a flat shape, and a connection member for connecting the intermediate plate with the end plates. CONSTITUTION:A tread 14 is formed out of a center 14a buckling in arc, straight end parts 14b, 14b, a center part 14C recessed into arc, and of straight end parts 14d, 14d. A riser 15 is formed out of an intermediate plate 10 curved into arc, first and second flat end plates 17, 18, and of first and second connection members 19, 20. Both end parts 14b, 14b of the tread 14 are fitted to a fitting groove 12 for each tread of right and left side plates 11 from the rear side, while both end plates 17, 18 of the riser 15 are fitted to a fitting groove 13 for each riser of the right and left side plates 11 from below, and a staircase is thus formed. The setting of the width size as well as the depth size of the fitting groove 13 and the process thereof are facilitated by fitting the end plates 17, 18 of the riser 15 almost perpendicular to and in the fitting groove 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a staircase indentation plate having an arcuate shape and a staircase using this indentation plate.

[0002]

2. Description of the Related Art Conventionally, FIG. 5 shows the structure of a staircase assembled in a house. That is, it is composed of left and right side plates 1 (only one is shown), a tread plate 2 erected between the side plates 1, and an indentation plate 3 erected vertically between the side plates 1. The tread 2 is generally rectangular as shown in FIG.

As shown in FIG. 6, the side plate 1 is formed with a horizontal tread plate groove 1a and a vertical fitting plate fitting groove 1b. Both ends of the tread plate 2 are inserted from the rear, and both ends of the sliding plate 3 are inserted into the groove 1b from below. Each groove 1a, 1b is formed to have a width equal to the thickness of the tread 2 and the indentation plate 3. In this case, the upper end of the indentation plate 3 is fitted into the fitting groove 2a (see FIG. 5) formed on the back surface of the tread plate 2, and the indentation plate 3 is fixed to the rear end part of the tread plate 2 with the nail s. To do.

By the way, recently, as shown in FIG.
There is a structure in which the front edge of the tread plate 4 is projected in an arc shape, and the indentation plate 5 is also curved so as to project to the front side to improve the appearance.

[0005]

However, in this case, there is a problem that the fitting accuracy between the recess plate 5 and the side plates 6 is deteriorated. That is, as shown in FIG.
Since the arc shape has a circular arc shape, the end portion of the indentation plate 5 is fitted in an inclined state with respect to the indentation plate engagement groove 6b in the side plate 6, and therefore, the indentation plate engagement groove 6b is formed. There is a problem that the width dimension cannot be simply set to the plate thickness dimension, and setting and processing of the width dimension and the depth dimension are troublesome.

As a countermeasure against this, the inventor of the present invention considers that the indentation plate 7 has an arcuate middle portion and flat end portions as shown in FIG. According to this, the width dimension of the fitting plate fitting groove of the side plate may be simply the plate thickness dimension, which is easy to process and does not rattle.
And in this case, the feeling of overhanging is improved and the appearance is further improved.

However, in this case, it is practically extremely difficult to form the indentation plate 7 in the peculiar shape shown in the figure, and it is difficult to realize this measure.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a staircase indenting plate which is extremely easy to achieve when the center portion is formed in an arc shape and both ends are formed in a flat plate shape.

Another object of the present invention is to provide a batten board,
The center part can be formed in an arc shape and both end parts can be formed in a flat plate shape. Therefore, while the appearance is improved, the fitting plate can be easily fitted with rattling. It is to provide stairs that can be carried out so that there is no outbreak.

[0010]

A staircase indentation board according to the present invention is one in which a stepboard installed between a pair of side plates of a staircase is vertically installed between the pair of sideboards in a vertical shape. A curved intermediate plate, first and second flat plate-shaped end plates, one end portion of the intermediate plate and one end portion of the first end plate, and the intermediate plate and the first end plate. A first connecting member for connecting the intermediate plate and the second end plate by engaging the other end of the intermediate plate and the one end of the second end plate. It is characterized in that it is provided with two connecting members.

In the staircase of the present invention, a pair of side plates each having a tread plate fitting groove and a fitting plate fitting groove, and end portions of the pair of side plates are fitted into the tread plate fitting grooves. A footboard horizontally installed between the side plates, and a footboard vertically installed between the side plates with end portions fitted in the respective fitting plate fitting grooves of the pair of side plates. In what is provided, the indentation plate includes a curved intermediate plate, flat plate-shaped first and second end plates, one end of the intermediate plate and one end of the first end plate. Engages with the intermediate part and the first plate
A first connecting member for connecting the intermediate plate and the second end plate by engaging the other end of the intermediate plate and one end of the second end plate. Composed of two connecting members,
The tread plate is characterized in that the intermediate portion at the front edge thereof is formed in a curved shape and both end portions are formed in a straight shape.

[0012]

According to the stepping indentation plate of the present invention, the flat plate-shaped first end plate and the flat plate-shaped end plate are provided on both sides of the curved intermediate plate through the first and second connecting members, respectively. By connecting the above, the whole shape of the indentation plate becomes arcuate at the center and flat at both ends. In this case, a simple construction method of connecting the intermediate plate and the first and second end plates with the first and second connecting members is sufficient.

According to the steps of the present invention, the indentation plate includes a curved intermediate plate, first and second flat end plates, and one end of the intermediate plate and the first end plate. A first connecting member that engages with one end to connect the intermediate plate and the first end plate, and engages with the other end of the intermediate plate and one end of the second end plate. By configuring the intermediate plate and the second connecting member that connects the second end plate to each other, the indentation plate can be easily formed into a shape in which the central portion has an arc shape and the end portions have a straight shape. Therefore, the fitting plate can be fitted and connected to both side plates easily and without rattling.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. A pair of side plates 11 is provided on the left and right sides of the house. The side plate 11 has a tread plate fitting groove 12 formed horizontally and a fitting plate fitting groove 13 formed vertically. There is.

On the other hand, in the tread plate 14, the central portion 14a at the front edge thereof projects in an arc shape and the end portions 14b, 14b are straight, and the central portion 14c at the rear edge thereof is recessed in an arc shape and the end portions 14d, 14b. 14d is formed to have a straight shape. In addition, this central portion 14c
And a circular arc recess 1 having a small diameter at the boundary between the end portions 14d and 14d.
4e and 14e are formed.

The indentation plate 15 includes an intermediate plate 16, a first end plate 17, a second end plate 18, a first connecting member 19, and
The second connecting member 20 is provided. The intermediate plate 16 is curved and formed in an arc shape. The first and second end plates 17 and 18 have a flat plate shape.

The first connecting member 19 is formed in a substantially circular rod shape, and the intermediate plate engaging groove is formed in the first connecting member 19 in the longitudinal direction in a relationship of forming a predetermined angle. 19a and an end plate engagement groove 19b are formed. In this case, the intermediate plate engaging groove 19a is set to a width dimension equivalent to the plate thickness of the intermediate plate 16, and the end plate engaging groove 19b is set to a width dimension equivalent to the plate thickness of the first end plate 17. ing.

Further, like the first connecting member 19, the second connecting member 20 is configured to have a substantially circular rod shape, and the second connecting member 20 has a predetermined angle relationship. The intermediate plate engaging groove 20a and the end plate engaging groove 20b are formed in the vertical direction. In this case, the intermediate plate engagement groove 20a is set to have a width dimension equivalent to the plate thickness of the intermediate plate 16,
The end plate engaging groove 20b is set to have a width dimension equivalent to the plate thickness of the second end plate 18.

Thus, one end of the intermediate plate 16 is inserted into and engaged with the intermediate plate engaging groove 19a of the first connecting member 19, and one end of the first end plate 17 is inserted into the end plate engaging groove 19b. Insert and engage. In this case, an adhesive is applied to each engaging portion. Then, the intermediate plate engaging groove 20a of the second connecting member 20.
The other end of the intermediate plate 16 is insert-engaged with, and one end of the second end plate 18 is insert-engaged with the end-plate engaging groove 20b. Also in this case, an adhesive is applied to each engaging portion.

The sliding board 15 constructed in this way
Has a shape in which the central portion has an arc shape and both end portions have a flat plate shape. In this case, the intermediate plate 16 and the first and second end plates 17 and 18 are connected to each other by the first and second connecting members 19 and 2.
Since it only requires the work of connecting by 0, it is extremely easy to manufacture.

When constructing a staircase, both end portions of the tread plate 14 are fitted into the fitting grooves 12 for the tread plates of the left and right side plates 11 from the rear side, and the indentation plates of the left and right side plates 11 are fitted. Both ends of the indentation plate 15 configured as described above are fitted into the fitting groove 13 for use from below. In this case, the upper end portion of the sliding board 15 is
It is fitted into a fitting plate fitting groove 14f formed on the lower surface of the tread 14. In this fitted state, the lower end of the bump plate 15 is joined to the rear end of the tread plate 14 with a nail.

In the staircase constructed as described above, since the indentation plate 15 is formed in a shape in which the central portion has an arc shape and the end portions have a straight shape, as shown in FIG. As for the end portions (first and second end plates 17 and 18) of the indentation plate 15 to be fitted and connected to the indentation plate fitting groove 13 of the side plate 11, these can be fitted in a substantially right angle relationship. Therefore, the width dimension of the fitting plate fitting groove 13 may be the thickness dimension of the first and second end plates 17 and 18, and the machining thereof is extremely simple. Of course, since the indentation plate 15 has an arc shape, and the tread plate 14 is also formed so that the front edge thereof has an arc shape and both ends thereof have a straight shape, there is a feeling of overhang and the appearance is further improved. ..

[0023]

As is apparent from the above description, the present invention can obtain the following effects.

In the stepping indentation plate of the present invention, the flat plate-shaped first end plate and the flat plate-shaped end plate are provided on both sides of the curved intermediate plate through the first and second connecting members, respectively. By connecting them, it is possible to easily obtain a shape in which the central portion has an arc shape and both end portions have a flat plate shape.

In the staircase of the present invention, since the indentation plate is formed in a shape in which the central portion is arcuate and the ends are straight, the relationship between the end of the indentation plate and the side plate is almost the same. It is possible to establish a right-angled relationship, so that the fitting plate and the both side plates can be fitted and connected easily and without rattling. In addition, since the front edge portion of the tread plate is also formed in an arc shape and both end portions are formed in a straight shape, the tread has an overhanging feeling and the appearance is further improved.

[Brief description of drawings]

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

FIG. 2 is a partially exploded perspective view of stairs.

FIG. 3 is a cross-sectional plan view of the staircase indentation plate portion.

[Fig.4] Vertical side view of stairs

FIG. 5 is a view corresponding to FIG. 1 showing a conventional example.

FIG. 6 is a side view of the side plate.

FIG. 7 is a view corresponding to FIG. 1 showing another conventional example.

FIG. 8 is a cross-sectional plan view.

FIG. 9 is a diagram corresponding to FIG. 1 showing a reference example.

[Explanation of symbols]

Reference numeral 11 is a side plate, 12 is a tread plate fitting groove, 13 is a fitting plate fitting groove, 14 is a tread plate, 15 is a fitting plate, 16 is an intermediate plate, 1
7 is a first end plate, 18 is a second end plate, 19 is a first connecting member, and 20 is a second connecting member.

Claims (2)

[Claims] 1. A vertical bridge between a pair of side plates of a staircase, which is vertically installed between the pair of side plates, and has a curved intermediate plate and a flat plate shape. First and second end plates, and a first connecting member that engages with one end of the intermediate plate and one end of the first end plate to connect the intermediate plate and the first end plate A second connecting member that engages with the other end of the intermediate plate and one end of the second end plate to connect the intermediate plate and the second end plate to each other. Entry board for stairs. 2. A pair of side plates each having a stepping plate fitting groove and a stepping plate fitting groove, and an end portion fitted in each tread plate fitting groove of the pair of side plates so as to be horizontal between the side plates. In a vertical shape between the side plates, the ends of which are fitted in the fitting grooves for each of the pair of side plates of the pair of side plates. In this case, the indentation plate is attached to a curved intermediate plate, first and second flat plate-shaped end plates, one end of the intermediate plate and one end of the first end plate. A first connecting member for connecting the intermediate plate and the first end plate together, and engaging with the other end of the intermediate plate and one end of the second end plate to connect the intermediate plate and the first end plate. A second connecting member for connecting the two end plates, and the step plate has a shape in which a middle portion of a front edge thereof has a curved shape and both end portions have a straight shape. Stairs characterized by being formed in.