JP2001182268A - Assembled staircase for dwelling house and its assembling method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an assembled staircase capable of minimizing the cost and recycling the resources, and never causing any creaking and an assembling method for this staircase. SOLUTION: This assembled staircase for dwelling house A comprises a lateral pair of side plates 1 having a horizontal surface 1A for supporting a tread 2 and a vertical surface 1B for mounting a riser 3, which are alternately formed on the part corresponding to the upper part in a set state, a plurality of treads 2 horizontally laid on the horizontal surface 1A of the side plate 1, and the riser 3 raised between the upper and lower treads 2. The tread 2 is formed of a base plate part 2A mainly functioning as structural member and a decorative plate 2B arranged thereon and having a bent part 2b having a downward bent front end and a grain-pattern formed on the surface.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assembled (completed) staircase for a house provided as a completed unit suitable for a general house and a method for assembling the same.

[0002]

2. Description of the Related Art In recent years, in Japan, the prolonged recession caused by the so-called bubble burst has promoted the reduction of prices of products in all industries, and the tendency is remarkable even in general housing. . Also,
On the other hand, due to environmental issues, the recycling of materials has been proposed and promoted, and attempts have been made to reuse materials in the field of general housing.

[0003] Specifically, it is inevitable to promote the cost reduction of stairs for general houses, and staircase manufacturers, which are house-related manufacturers, are also required to make efforts to reduce the price. Furthermore, from the house manufacturer to the staircase manufacturer,
There is a need for stairs that are easy to assemble and can reduce assembly costs.

[0004] In addition, for a contractor, complaints about the squeaky sound generated when the stairs are stepped on the delivered stairs are frequently generated, and this complaint processing requires a great deal of man-hours and cost. It has become a major problem for stair manufacturers and contractors.

The present invention has been made in view of such a situation, and a staircase which can reduce the price as much as possible, can reuse resources, and does not cause the above-mentioned "treading". And an assembling method of the stairs.

[0006]

The stairs according to the present invention are:
A horizontal surface that supports the tread plate and a vertical surface to which the riser is attached, a pair of left and right side plates that are alternately formed in the upper part in the installed state, and a plurality of tread plates that are laid horizontally on the horizontal surface of the side plate, In a pre-assembled staircase for a house having a riser provided between upper and lower treads, the tread has a substrate mainly functioning as a structural material, and a bent portion disposed above and having a front end bent downward. And a decorative plate having a wood grain pattern formed on the surface.

However, according to the stairs configured as described above, since the board constituting a part of the tread is covered with the decorative board on the upper side, the board is required to reuse or effectively use resources. A particle board made of powdered wood chips or the like can be used. Therefore, it becomes a "stair" that contributes to improvement of environmental problems, and the material cost can be reduced. In addition, since the thickness of the substrate can be reduced as compared with the case where the tread is made of a single plate, a "tucker needle" can be used instead of a nail as a fastening means, so that the fastening is quick. In addition, the manufacturing cost can be reduced. Also,
Since the decorative plate on which the load of the foot acts is not directly fixed to the side plate, which is the main structural member of the stairs, a certain degree of deformation is allowed, so a structure that can prevent "treading" as much as possible Become.

A horizontal surface for supporting the tread plate and a vertical surface for attaching the riser are alternately formed in a top portion in the installed state, and a pair of left and right side plates are provided laterally on the horizontal surface of the side plates. In a pre-assembled staircase for a house having a plurality of treads and a riser provided between the upper and lower treads, a gap is provided above the upper end of the riser on the bottom surface of the front end of the tread. When the concave portion for accommodating is formed and the lower end of the riser is fixed to the rear end of the tread below the tread, even if a load acts on the tread from above and the tread deflects downward. Since it does not come into contact with the upper end of the riser, the structure can prevent treading as much as possible.

Further, as one embodiment, a pair of left and right side plates are formed such that a horizontal surface for supporting the tread plate and a vertical surface for attaching the riser plate are alternately formed in an upper portion in an installed state. In a pre-assembled staircase for a house having a plurality of treads laid horizontally on a horizontal surface and a riser erected between the upper and lower treads, the treads form a board mainly functioning as a structural material and a layer above the board. A decorative plate having a bent portion whose front end is bent downward, the left and right ends of the substrate are fixed in advance to the horizontal surfaces of the left and right side plates by fastening means, and a kick plate is provided on the front surface of the substrate. The upper end of the riser is fixed, and the lower end of the riser is fixed to the rear surface of the substrate disposed below the substrate, thereby forming a step-like shape as a unit, with the front end being the upper end of the lower riser. I'll hide it In such a state, the each of the substrates, it is possible to the bottom surface of the decorative plate is configured as being bonded.

According to the method of assembling stairs according to the present invention, a pair of left and right side plates are formed such that a horizontal surface for supporting a tread plate and a vertical surface for attaching a riser plate are alternately formed in an upper portion in an installed state. And a plurality of treads laterally provided on the horizontal surface of the side plate and a riser stood upright between the upper and lower treads. (A) The left and right side plates are perpendicular to each horizontal surface. (B) fix each end of the board, which is the lower layer portion of the tread plate, to the horizontal surface of the side plate with fastening means, with the surface facing upward and at intervals corresponding to the length of the tread plate; (C) fixing the upper end of the riser plate in a state where the upper end abuts on the front surface of the fastened substrate, and fixing both ends of the riser plate in a state of abutting on a vertical surface adjacent to the horizontal plane; (D) after that, the tread plate below the substrate The lower end of the riser plate is fixed to the rear end surface of a part of the substrate via a fastening means so that the lower end of the riser plate is in contact with the rear end surface. The steps (c) and (d) are repeated to form the basic shape of the stairs. (F) After that, the tip is bent downward on the upper surface of each substrate, and the upper end of the riser plate located below is formed. It is characterized in that the bottom surfaces of the decorative boards are successively adhered and fixed in a state of covering.

According to the method of assembling stairs including such steps, each stair having the above structure can be efficiently assembled.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A staircase and a method of assembling the staircase according to an embodiment of the present invention will be specifically described below with reference to the drawings.

FIG. 1 is an overall side view of a staircase according to an embodiment of the present invention, FIG. 2 is a partially enlarged side sectional view of FIG. 1, and FIG.
It is a perspective view of.

In the drawing, reference numeral 1 denotes a side plate of a staircase A having a horizontal surface 1A and a vertical surface 1B formed on the upper surface in the form of a bed, 2 denotes a tread placed on the horizontal surface 1A, 3 denotes a vertical plate 1B. It is a riser.

In this embodiment, a so-called plywood is used for the side plate 1 of the stairs A in view of cost reduction and dimensional accuracy. In this embodiment, the side plate 1 has a rectangular shape with a predetermined size and a thickness of 20 mm in consideration of the plate removing efficiency.
In a plan view, the flat plate is cut in a state as shown in FIG. 7 in which the horizontal surface 1A and the vertical surface 1B of the upper surface in the installed state are joined to each other. For this reason, the yield of the plate material is extremely efficient. Specifically, the yield is increased to about 95%. The intersection 1C where the horizontal plane 1A and the vertical plane 1B are formed as shown in FIG.
A through hole 1a is formed by a router bit or the like, and the bottom 1c of the through hole 1a is configured to coincide with the horizontal plane 1A.

In this embodiment, as shown in an enlarged view in FIG. 2, the tread plate 2 has a thickness of 20 mm as a structural material.
A substrate 2A made of plywood having a thickness of about 30 mm, and a thickness of 6 to 15 mm placed above the substrate 2A in the installed state.
It is composed of a decorative plate 2B of a degree. This decorative board 2B
Is a normal decorative plywood, on the surface of which is attached a wood grain sheet 2r (see FIG. 3) obtained by thinly slicing wood. Also, as shown in FIG. 1 and FIG.
Is rectangular in a side view (or a cross-sectional view), and the width of the substrate 2A is slightly smaller than the width of the decorative plate 2B. Specifically, it has a width of 20 to 30 cm. However, it is not particularly limited to this dimension, but can be made wider or narrower as needed.

As shown in FIG. 2, the decorative plate 2B has a bent portion 2b which is bent downward at the front end in a side view (a sectional view). The width L from the rear end to just before the bent portion 2b is equal to the substrate 2
The width is slightly wider (specifically, about 0.1 to 2 mm) than the width W of A. In the case of this embodiment, the bent portion 2b is vertically adhered to the front end of the flat plate-shaped plate 2c with a narrow cross-section 2d having a rectangular cross section in a state where the front end faces coincide with each other. The thin plate member 2e is adhered so that the front end surfaces thereof coincide with each other. Accordingly, the plate members 2c, 2
The front end surfaces of d and 2e are flat vertical surfaces. The substrate 1 is located at the rear end of the bent portion 2b.
A concave portion 4 for accommodating the riser plate 3 is formed between the front surface and the front surface.

As described above, since the thickness of the bent portion 2b at the front end of the decorative plate 2B (thickness as viewed from the front) is formed by bonding three plates, the plate members 2d and 2d are formed. 2e
As a result, it is possible to use an end plate (a plate, a remaining plate) left after use, and it is possible to reduce costs.

Thus, the stairs thus constructed are:
It can be assembled in the following procedure. That is, first, as shown in FIG. 4, the side plates 1 are arranged on the left and right sides with the horizontal surface 1A facing upward, separated by the length of the tread plate 2, and then the uppermost horizontal surface 1A From above to the horizontal surface 1A which is sequentially located downward, by using a pneumatic tucker or the like, with the front end of the substrate 2A coinciding with the vertical surface 1B. Then, they are sequentially fixed (step 1). On this occasion,
Since the tread 2 is composed of the board 2A and the decorative board 2B, and the board 2A is configured to be thinner than the conventional tread, a lighter tucker is used as compared with a pneumatic nailing machine. In addition, since the work can be performed at the waist level unlike the construction site, and the work is performed from above to below, the work can be performed easily and quickly, and the tucker Since it is fixed with a needle, it can be implemented at low cost. That is, it can be performed easily and inexpensively with high work efficiency. In addition, by aligning the front end of the substrate 2A with the vertical surface 1B, the positioning can be easily performed, so that even a non-skilled person can assemble accurately. (Of course, instead of the above-mentioned "tucker needle" N, a pneumatic needle nailing machine can be used to fix it with "nails", or it can be fixed by wood screws or screws. The work can also be performed from below to above.) Next, as shown in FIG. 5, a kick plate 3 is provided on the front surface of the board 2A in each stage, and the lower end of the board 2A is located on the lower stage. In the state coinciding with the lower end of 2A, the tucker is also used to fix it from behind with a tucker needle N, and then, from the front (front) side of the stairs, the upper end of each riser 3 is moved to the upper end surface of each substrate 2A. And fix it with a tucker needle using a tucker (step 2). This work can also be performed easily and quickly because it is fixed forward using a lighter tucker compared to a pneumatic nailer, and can be performed at low cost because it is fixed with a tucker needle. . That is, it can be performed easily and inexpensively with high work efficiency. In addition, by making the lower end of the board 2A located in the lower stage coincide with the lower end of the riser plate 3, in other words, by bringing the lower end of the riser plate 3 into contact with the lower horizontal surface 1A, accurate positioning can be easily performed. As a result, it is possible to accurately assemble even an unskilled person. In this state, as shown in FIG. 2, the upper end of the riser 3 does not come into contact with the bottom surface of the decorative board 2 </ b> B to be attached later. It is located at a position about half of the thickness.

Next, as shown in FIG. 6, each substrate 2A
The decorative board 2B is fixed with an adhesive such that the rear end face of the substrate 2A and the rear end face of the decorative board 2B are flush with each other. Therefore, the tucker needle N (or nail) exposed on the surface of the substrate 2A and the riser 3 is covered with the decorative plate 2B. Also, the substrate 2A
Positioning is performed with the rear end face of the decorative board and the rear end face of the decorative board being flush with each other, so that accurate positioning can be easily performed, so that even a non-expert can accurately assemble. As shown in the enlarged view of FIG. 2, a gap S is provided between the rear end surface (back surface) of the downwardly bent portion 2b of the decorative plate 2B and the front surface of the substrate 2A, the front surface and the upper end surface of the riser plate 3. Are formed.

For this reason, when used as a staircase, the weight of a person who is moving up and down acts on the decorative board 2B and the board 2A. However, since there is a gap S, an adhesive is applied between the decorative board 2B and the board 2A. As a result, there is no generation of a so-called "squeaking sound" called "trampling". In addition, the bent part 2b of the decorative board 2B may be configured to have the same width between the narrow board 2d and the narrow board 2e as shown in FIG. 8 instead of the structure of the embodiment, Even in such a case, basically the same operation and effect can be obtained.

In this embodiment, a rectangular notch 6 is provided at one end of the side plate 1, which is an upper end when the stairs are installed as a stair, so that the notch 6 can be hooked on a beam or a crosspiece on a wall surface. Heavy assembled stairs can be easily installed.

In the above embodiment, plywood is used as the substrate. However, it is needless to say that the present invention can be similarly carried out by using a particle board made of powdered wood chips or the like. The stairs can be used effectively and are environmentally friendly. Of course, the board 2c of the decorative board 2B
Alternatively, the above-mentioned particle board or the like can be used for the side plate 1 as well. In addition, plywood in which a wood grain sheet is pasted on the surface of the decorative board is used. However, if cost is somewhat sacrificed, thin wood may be used instead.

By the way, in the above embodiment, the tucker needle is used for fixing the substrate and the like, but it is of course possible to use a nail with an inconspicuous head such as a decorative nail instead. It is.

[0025]

According to the stairs having the structure according to the present invention and the method for assembling the stairs, the stairs can be manufactured at as low a cost as possible and so-called "stuttering" does not occur. It becomes possible. As a result, the necessity of complaint processing, which has conventionally been a major problem for stair manufacturers, is also eliminated.

[Brief description of the drawings]

FIG. 1 is an overall side view of a stair according to an embodiment of the present invention.

FIG. 2 is a partially enlarged side sectional view of FIG.

FIG. 3 is a perspective view of FIG. 1;

FIG. 4 is a perspective view showing a state of attaching a substrate to a side plate, showing one step of an assembling method.

FIG. 5 is a perspective view showing a state in which a riser is attached to a substrate showing one step of an assembling method.

FIG. 6 is a perspective view showing a state in which a decorative plate is attached on a substrate, showing a final step of the assembling method.

FIG. 7 is a plan view showing a state where a side plate is removed from an original plate.

FIG. 8 is a view showing another embodiment in which the configuration of the bent portion of the decorative board is different from that of FIG. 2;

[Explanation of symbols]

 A: Stairs 1: Side plate 1A: Horizontal surface 1B: Vertical surface 2: Tread plate 2A: Substrate 2B: Decorative plate 2b: Bent part 3: Squeeze plate S: Clearance

Claims (4)

[Claims] 1. A horizontal surface for supporting a tread plate and a vertical surface for attaching a riser plate are provided in a pair of left and right side plates alternately formed in an upper portion in an installed state, and are laterally provided on a horizontal surface of the side plates. In a pre-assembled staircase for a house having a plurality of treads and a riser provided between the upper and lower treads, the treads are mainly disposed as a structural material, and the front end thereof is bent downwards. A decorative board having a bent portion and a wood grain pattern formed on a surface thereof. 2. A horizontal surface for supporting the tread plate and a vertical surface on which the riser is attached are provided in a pair of left and right side plates alternately formed in an upper portion in an installed state, and are laterally provided on the horizontal surface of the side plates. In a pre-assembled staircase for a house having a plurality of treads and a riser provided between the upper and lower treads, a gap is provided above the upper end of the riser on the bottom surface of the front end of the tread. A staircase having a recess for accommodating therein and a lower end of the riser fixed to a rear end of the tread below the tread. 3. A horizontal surface for supporting the tread plate and a vertical surface for attaching the riser plate, a pair of left and right side plates alternately formed in an upper portion in an installed state, and the horizontal surface of the side plates. In a pre-assembled staircase for a house having a plurality of treads and a riser provided between the upper and lower treads, the treads are arranged so as to form a layer mainly above a substrate functioning as a structural material and a front end thereof. It consists of a decorative board having a bent portion bent downward, and the left and right ends of the substrate are fixed in advance to the horizontal surfaces of the left and right side plates by fastening means, and the upper end of the riser is fixed to the front surface of the substrate. With the lower end of the kick plate fixed to the rear surface of the substrate disposed below the substrate, a staircase shape as a unit is formed, and the front end hides the upper end of the lower kick plate, Each of the above Stairs on a plate, the bottom surface of the decorative plate is characterized in that it is bonded and fixed. 4. A horizontal surface for supporting the tread plate and a vertical surface for attaching the riser plate, a pair of left and right side plates alternately formed at an upper portion in an installed state, and a horizontal surface of the side plate. In a pre-assembled staircase for a house having a plurality of treads and a riser provided between the upper and lower treads, (a) the left and right side plates are placed with their respective horizontal planes and vertical planes facing upward, and At intervals that match the length of
(B) Fix each end of the board to be the lower layer of the tread plate to the horizontal surface of the side plate by fastening means. (C) Fix the upper end of the riser plate in a state where the upper end abuts on the front surface of the fastened board. And fixing both ends of the riser in a state of abutting against a vertical surface adjacent to the horizontal plane. (D) After that, after the substrate constituting a part of the tread plate below the substrate, The end face is fixed by a fastening means so that the lower end of the riser plate is in contact with the end face. (E) The remaining horizontal planes and the vertical planes below the stairs of the side plate are fixed to the above (c) and (d). The process is repeated to form the basic shape of the stairs, and (f) after that, each of the makeups is bent on the upper surface of each substrate so that the tip bends downward and covers the upper end of the lower riser plate. A method of assembling stairs, comprising sequentially bonding and fixing the bottom surfaces of a board.