JP3043856B2 - Stairwell and staircase - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a staircase swelling plate having a shape protruding in an arc and a staircase using the swelling plate.

[0002]

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

As shown in FIG. 6, a side plate 1 is formed with a horizontal tread groove 1a and a vertical insertion plate fitting groove 1b. , The both ends of the tread plate 2 are inserted from behind, and both ends of the recessed plate 3 are inserted into the grooves 1b from below. Each groove 1a, 1b is formed to have the same width as the thickness of the tread plate 2 and the recess plate 3. In this case, the upper end of the burr plate 3 is fitted into a fitting groove 2a (see FIG. 5) formed on the back surface of the tread plate 2, and the burr plate 3 is fixed to the rear end of the tread plate 2 with a nail s. I do.

Meanwhile, recently, as shown in FIG.
There is a configuration in which the tread plate 4 has a configuration in which the front edge of the tread plate protrudes in an arc shape, and the burr plate 5 is also formed to be curved so as to protrude toward the front side, thereby improving the appearance.

[0005]

However, in this case, there is a problem that the fitting accuracy between the recessed plate 5 and both side plates 6 is deteriorated. That is, as shown in FIG.
Has an arc shape, the end of the recess 5 is fitted obliquely into the fitting groove 6b for the recess in the side plate 6, so that the fitting groove 6b for the recess 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 present inventor has considered that the indentation plate 7 has a shape in which an intermediate portion has an arc shape and both end portions have a plate shape as shown in FIG. According to this, the width dimension of the fitting groove for the dent plate of the side plate may be simply the thickness of the plate, which facilitates processing and eliminates backlash.
Then, in this case, the overhanging feeling appears and the appearance is further improved.

However, in this case, it is practically extremely difficult to form the dent plate 7 into the peculiar shape shown in FIG. 1, and it is difficult to realize this countermeasure.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a staircase squeezing plate which can very easily achieve a central portion having an arc shape and both ends having a flat shape.

Another object of the present invention is to provide a hollow plate,
The center portion can be formed in a shape of an arc and both ends are formed in a flat plate shape. Therefore, the fitting of the dent plate to the side plate can be easily and rattled while improving the appearance. To provide a staircase that can be performed without occurrence.

[0010]

According to the present invention, there is provided a stairwell siding plate which is vertically provided between a pair of side plates of a staircase and is vertically provided between the pair of side plates. An intermediate plate having a curved shape, first and second end plates having a flat plate shape, and one end of the intermediate plate and one end of the first end plate engaged with the intermediate plate and the first end plate. A first connecting member connecting the intermediate plate and the second end plate, and a first connecting member 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. And a second connecting member.

The staircase of the present invention has a pair of side plates each having a fitting groove for a tread plate and a fitting groove for a burr plate, and ends of the pair of side plates are fitted in the fitting grooves for each tread plate. A tread plate that is horizontally installed between the side plates, and a boom plate that is vertically installed between the side plates with an end fitted into each of the bight plate fitting grooves of the pair of side plates. In the above configuration, the lever plate is formed by bending an intermediate plate having a curved shape, first and second end plates having a flat plate shape, one end of the intermediate plate, and one end of a first end plate. The intermediate plate and the first
A first connecting member connecting the intermediate plate and the second end plate, and a first connecting member 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. And two connecting members,
The tread plate is characterized in that a middle portion at a front edge thereof is formed in a curved shape and both end portions are formed in a straight shape.

[0012]

According to the present invention, the first and second end plates are provided on both sides of the curved intermediate plate via the first and second connecting members, respectively. Are connected, the whole shape of the dent plate becomes an arc shape at the center portion and both ends become a flat plate shape. In this case, a simple construction method such that the intermediate plate and the first and second end plates are connected by the first and second connecting members is sufficient.

According to the stairs of the present invention, the burr plate is formed by connecting the curved intermediate plate, the first and second end plates having a flat plate shape, the one end portion of the intermediate plate and the first end plate. A first connecting member that engages with one end and connects the intermediate plate and the first end plate; and a first connecting member that engages with the other end of the intermediate plate and one end of the second end plate. By making up of the intermediate plate and the second connecting member for connecting the second end plate, it is possible to easily form the dent plate into a shape in which the central portion has an arc shape and the end portion has a straight shape. Therefore, it is possible to easily connect the dent plate to the both side plates so as to prevent 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 are 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 burr plate fitting groove 13 formed vertically. I have.

On the other hand, the tread plate 14 has a central portion 14a at the front edge thereof protruding in an arc shape and ends 14b, 14b formed in a straight shape, and a central portion 14c at the rear edge depressed in an arc shape and end portions 14d, 14d. 14d is formed so as to form a straight shape. In addition, this central part 14c
A small-diameter arc recess 1 is provided at the boundary between the end portions 14d and 14d.
4e and 14e are formed.

The recess plate 15 includes an intermediate plate 16, a first end plate 17, a second end plate 18, a first connecting member 19,
And a second connecting member 20. The intermediate plate 16 is curved 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 first connecting member 19 is provided with an intermediate plate engaging groove in a longitudinal direction at a predetermined angle. 19a and an end plate engaging groove 19b are formed. In this case, the intermediate plate engaging groove 19a is set to have the same width as the thickness of the intermediate plate 16, and the end plate engaging groove 19b is set to have the same width as the thickness of the first end plate 17. ing.

Further, like the first connecting member 19, the second connecting member 20 is formed so as to have a substantially circular rod shape, and the second connecting member 20 has a predetermined angle relative to the second connecting member 20. , An intermediate plate engaging groove 20a and an end plate engaging groove 20b are formed in the longitudinal direction. In this case, the intermediate plate engaging groove 20a is set to have a width dimension equivalent to the thickness of the intermediate plate 16,
The width of the end plate engaging groove 20b is set to be equal to the 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 engagement portion. Then, the intermediate plate engaging groove 20a of the second connecting member 20
, The other end of the intermediate plate 16 is inserted and engaged, and one end of the second end plate 18 is inserted and engaged with the end plate engaging groove 20b. Also in this case, an adhesive is applied to each engagement portion.

The squeezing plate 15 thus constructed
Has a shape in which a central portion is formed in an arc shape and both end portions are formed in a flat plate shape. In this case, the intermediate plate 16 and the first and second end plates 17 and 18 are connected to the first and second connecting members 19 and 2.
Since the work is only required to be connected by 0, the production is extremely easy.

When the stairs are formed, both ends of the tread plate 14 are fitted into the respective tread fitting grooves 12 of the left and right side plates 11 from the rear side, and each of the left and right side plates 11 is provided with a dent plate. Both ends of the squeezing plate 15 having the above configuration are fitted into the fitting grooves 13 from below. In this case, the upper end of the recess 15
The step board 14 is fitted into a recessed plate fitting groove 14f formed on the lower surface. In this fitted state, the lower end of the recessed plate 15 is joined to the rear end of the tread plate 14 with a nail.

In the stairs configured as described above, since the recessed 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. The end portions (first and second end plates 17, 18) of the recessed plate 15 can be fitted and connected to the recessed groove 13 of the side plate 11 in a substantially right angle relationship. Therefore, the width dimension of the fitting groove 13 for the recessed plate may be the thickness dimension of the first and second end plates 17 and 18, and the processing is extremely simple. Of course, the indentation plate 15 is formed in an arc shape, and the tread plate 14 is also formed so that its front edge is formed in an arc shape and both ends are formed in a straight shape, so that there is a feeling of overhang and the appearance is further improved. .

[0023]

As apparent from the above description, the present invention has the following effects.

In the staircase siding plate of the present invention, flat first and second end plates are provided on both sides of the curved intermediate plate via the first and second connecting members, respectively. By connecting, 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, the relationship between the end of the burr plate and the side plate is substantially reduced because the burr plate is formed in a shape in which the center portion has an arc shape and the end portion has a straight shape. A right-angled relationship can be established, so that the fitting and connection between the dent plate and both side plates can be easily performed without rattling. Moreover, since the front edge of the tread plate is formed in an arc shape and both end portions are formed in a straight shape, there is a sense of overhang and the appearance is further improved.

[Brief description of the drawings]

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

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

FIG. 3 is a cross-sectional plan view of the recessed portion of the stairs.

FIG. 4 is a vertical side view of a staircase.

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

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

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

FIG. 8 is a cross-sectional plan view.

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

[Explanation of symbols]

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

Claims (2)

(57) [Claims] 1. A step-shaped vertical plate between a pair of side plates of a staircase, which is vertically interposed between the pair of side plates. The intermediate plate having a curved shape and the flat plate-like shape. A first and a second end plate, 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 engaged 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. For stairs. 2. A pair of side plates each having a fitting groove for a tread plate and a fitting groove for a recessed plate, and ends are fitted into the fitting grooves for the tread plate of the pair of side plates, and a horizontal space is formed between the side plates. A pair of side plates, and a brace plate having an end fitted into each of the brace plate fitting grooves of the pair of side plates and vertically formed between the side plates. In the above, the bending plate is connected to an intermediate plate having a curved shape, first and second end plates having a flat shape, and one end of the intermediate plate and one end of the first end plate. A first connecting member that connects the intermediate plate and the first end plate together, and engages with the other end of the intermediate plate and one end of the second end plate to engage with the intermediate plate and the first end plate. A second connecting member for connecting the second end plate to the second end plate, wherein the tread plate has a shape in which an intermediate portion at a front edge thereof has a curved shape and both end portions have a straight shape. A staircase characterized by being formed in a staircase.