JP3109495U - Stair board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a staircase using a laminated board quickly and easily.
A laminated board is bent and formed, and includes a substantially vertical lower kick-up surface 12, a horizontal tread surface 14, and a substantially vertical upper kick-up surface 16. A staircase can be created simply by connecting the upper and lower kick surfaces with a joiner, etc., so there is no need to perform notch processing (phase key processing) that requires skilled skills when fixing the stair plate to the side girders. . Since a large amount can be stored, cost reduction and quick response are possible.
[Selection] Figure 1

Description

  The present invention relates to a plate material for stairs using a laminated plate.

  Often laminates are used for residential stairs. In particular, in a maisonette-type room that consists of a lower room and an upper floor as one space, staircases using laminated boards and laminated wood are often used because of the softness of appearance and the calmness that is typical of wood.

  When it is required to install a wood-like staircase, usually, as shown in FIG. 6, for example, a stepboard 2 using a thick plate is arranged on a wooden side girder plate 1 provided obliquely, A thin kick plate 3 is arranged in the gap between the upper and lower treads 2.

  The reason why the side girder plate 1 is made of wood is to improve the appearance, and the use of a thick plate for the tread plate 2 is to withstand a large load. The tread plate 2 is subjected to so-called phase locking so that the notch irregularities of the side girder plate 1 are engaged by the notch irregularities. The load applied to the tread plate 2 is guaranteed by the tread plate 2 engaged with the side beam plate 1 by this phase locking. As shown in FIG. 6, the kick plate 3 only needs to be engaged with the recess 5 formed on the lower surface of the upper step plate 2-1, and the recess 6 formed on the upper surface of the lower step plate 2-2. Usually, a thin member is used.

In addition, the following literature is mentioned as the footboard 2 using a laminated board.
Japanese Patent Laid-Open No. 08-108503

  The problem is that phase lock processing for combining the side girders 1 and the treads 2 requires skill. The installation angle of the side girder 1 varies depending on various conditions such as the design of the depth of the space, the height to the upper floor, and the appearance. It is impossible to do. In normal cases, a skilled person (for example, a master beam) with a lot of field experience directly inked and processed. An inexperienced person cannot do it. This is because if it is not processed precisely, so-called staircase sounds will increase.

  Due to such circumstances, stairs using laminated plates are generally expensive, and the completion (delivery date) tends to be delayed.

  Accordingly, an object of the present invention is to make it possible to provide a staircase using a laminated plate quickly and easily.

  In order to achieve the above object, a staircase plate according to the present invention is formed by bending a laminated plate, and includes a substantially vertical lower stepped-up surface, a horizontal tread surface, and a substantially vertical upper step. A side-up surface is provided (claim 1). In addition, there may be a pair of concave and convex engaging portions that engage with the concaves and convexes on the other side on the lower end of the lower kicking surface (falling portion) and the upper surface of the upper kicking surface (rising portion). Item 2).

  If such a staircase plate material is used, the curved portion that connects the rear end portion of the tread surface to the upper-side kick-up surface (rise surface) is located closest to the side beam plate. If the staircase plate is fixed to the side girder plate through appropriate means such as bolts and screws at this portion, a wooden staircase can be made without the need for phase locking. For the combination of the upper and lower staircase plate materials, for example, a connection fitting (joiner) may be used, or the concave and convex engaging portions may be fitted as in claim 2. Skilled technology is not required, and it can be mass-produced at the factory and used at each site. Even when the angle of the side girders is different, it is possible to flexibly deal with even when there are few standard variations, such as excising the upper and lower kick surfaces on site.

  Since the tread surface and the upper and lower kick surfaces are integrally formed, there is no need to form a recess on the back surface of the tread surface in order to make the kick surface, and workability is reliably improved. In addition, since the upper and lower kick surfaces are formed of the same thick plate material as the tread surface, high rigidity can be maintained. For this reason, it is not necessary to make only the tread surface thick, and it can withstand practical use even if the overall thickness of the board is made thin, so that light design performance can be obtained. Since the whole is bent, distortion caused by a change in moisture content can be suppressed.

  According to the staircase plate material according to the present invention, even a person who does not have a highly skilled processing technique can easily make a staircase using a laminated plate using a plate material mass-produced in a factory. . Costs can be reduced, urgent orders can be accommodated, and design freedom can be accommodated, so it is possible to respond quickly to demand trends that favor wooden stairs.

  FIG. 1 illustrates a staircase plate 10 according to the present invention. The staircase plate 10 is formed by bending a laminated plate, and includes a substantially vertical lower kick-up surface 12, a horizontal tread surface 14, and a substantially vertical upper kick-up surface 16. In order to facilitate molding, it is desirable to use, for example, a laminate having an equal thickness and bend it by heating.

  Further, in order to facilitate the coupling with the stair plate 10 combined with the upper and lower stages, the lower-stage kick-up surface 12 and the upper-stage kick-up surface 16 use a joiner 40 having a substantially H-shaped cross section. In order to improve stability and appearance, the joiner 40 desirably sets the vertical dimension of the vertical member 42 on the back surface larger than the vertical member 41 on the front surface side. The joiner 40 is not limited to materials such as resin, metal, and wood.

  Reference numeral 18 denotes a slip stopper disposed on the tread surface 14. Since the staircase plate 10 is formed by bending a laminated plate, the continuous portion between the tread surface 14 and the lower stepped-up surface 12 is slightly curved, and the tread surface (14) and the raised surface (12). Compared to a normal staircase with a vertical, it is slippery. The anti-slip 18 is disposed in the vicinity of a curved portion where the tread surface 14 and the lower-side kick-up surface 12 are connected, and prevents the difficulty of slipping in the stepped plate material 10 using the integrally formed laminated plate.

  As shown in FIG. 2, the non-slip 18 is disposed, for example, embedded in the vicinity of the lower curved portion of the tread surface 14. Molding is easy because the recess is molded and an elastic resin such as rubber is fitted. The anti-slip 18 may be adhered, but the fitting molding has durability, and there is an advantage that a good appearance can be guaranteed for a long time. The shape and arrangement number of the non-slip 18 are not limited.

  FIG. 3 illustrates a structure for fixing the stair plate 10 to the side beam plate 1. The staircase plate material 10 according to the present invention does not need to be fitted and fixed to the side girder plate 1, so that the side girder plate 1 does not need to be cut at all. Of course, it may be fixed by concave / convex fitting, but when the appearance is the same and the cost is reduced, for example, a support base 30 is arranged on the left and right upper ends of the side girder plate 1, and the staircase plate material is provided via the support base 30. It is advantageous to fix 10.

  As shown in FIG. 4, when the stair plate 10 is fixed to the support base 30, for example, a bracket such as a screw B <b> 1 is driven from below the tread surface 14. It is desirable to place an embedded nut under the tread surface 14. Further, embedded bolts may be provided and fixed using nuts instead of the screws B1. It should be noted that when the support base 30 is fixed to the side beam plate 1, a fixing bracket such as a screw may be used.

  As shown in FIG. 4, the handrail 35 is preferably fixed by driving a screw B <b> 2 from the back surface of the tread surface 14, similarly to the conventional staircase. FIG. 5 illustrates the attachment positions of the staircase plate 10, the side beam plate 1, the support base 30, and the handrail 35. In order to increase the strength of the handrail 35, in the present embodiment, the screw B2 is driven from the back surface of the tread surface 14 and the screw B3 is driven horizontally from the lower kick-up surface 12 to be stabilized. The raised surface 12 of the staircase plate material 10 using the laminated plate can guarantee a high strength that cannot be compared with the conventional raised surface (12) of the staircase, so that the screw B3 driven horizontally also strongly supports the handrail 35. For this reason, even if the number of handrails 35 disposed is reduced as compared with the prior art, there is an advantage that the handrail strength can be guaranteed.

  For the convenience of staircase design, it may be desirable to place the handrail 35 away from the lower kick-up surface 12, in which case the screw B3 cannot be driven into the handrail 35 from the kick-up surface 12 There is also. In such a case, it is only necessary to support the handrail 35 with only the screw B2 driven from the back surface of the tread surface 14 as in the conventional staircase.

  As described above, if the staircase plate 10 according to the present invention is used, it is not necessary to perform any notch processing, and it is only necessary to connect the upper and lower staircase plates 10 by the joiner 40 and screw the necessary portions. Even those without skilled carpenter skills can easily make wooden stairs.

  Most of the slopes of the installed stairs are almost the same for design reasons. However, even when the gradient is slightly changed, it can be handled relatively easily by changing the angle of the support base 30 and adjusting the vertical dimensions of the kicking surfaces 12 and 16. Since the design of the staircase plate 10 does not need to be changed, it can be manufactured and stored in large quantities. If the left and right dimensions of the stairs can be dealt with by excision, it can be handled flexibly.

  In addition, when attaching the stair plate 10 to the side girder 1, precise notch processing is not required, so that stair creaking (so-called stair ringing) that occurs after the plate material is dried or after an earthquake hardly occurs.

  Further, when the thickness is the same as that of the tread surface 14, the rigidity of the kick surface 12 (16) can be ensured, so that the screw is laterally (eg, substantially horizontal) from the kick surface 12 (16) with respect to the handrail 35. B3 can be driven in, and as a result of surely increasing the support strength of each handrail 35, there is an advantage that the handrail strength can be guaranteed even if the number of handrails 35 is reduced. This has great implications for the staircase design.

  When the staircase plate 10 according to the present invention is used, the side plate is fixed to the side girder plate 1 and then a decorative plate is arranged in the gap formed between the side girder plate 1 and the like according to the user's preference. It is also possible to give various variations to the appearance.

  Even if the joiner 40 is not used, it is easy to connect by providing a pair of concave and convex engaging portions (22, 26) at the ends of the lower kick-up surface 12 and the upper kick-up surface 16. It can be made. Even if the joiner 40 is used, there is no problem in terms of appearance quality, and there is an advantage that the molding cost of the concave / convex engaging portion can be suppressed. However, when it is desired to make the entire staircase with a smooth wooden tone curve, the fitting by the concave / convex engaging portion is effective. In some cases, concatenation is desirable.

  Even if the anti-slip 18 is not used, if a plurality of concave grooves are formed, there is an effect of preventing slip. For example, a plurality of straight line grooves may be provided in parallel, or a plurality of zigzag line grooves may be provided. The concave groove may be discontinuous. When fixing the staircase plate 10 to the support base 30, a metal fitting such as a screw may be driven from above the tread surface 14. When screwing from above, it is desirable to form a concave portion at the location where the screw is disposed and to place a lid material in the concave portion to shield the head of the screw in order to improve the appearance quality.

It is a perspective view which illustrates the board material for stairs concerning the present invention. It is sectional drawing which illustrates the slip prevention of the board | plate material for stairs concerning this invention. It is a perspective view which illustrates the method of fixing the board | plate material for stairs of FIG. 1 to a side beam board. It is sectional drawing which illustrates the method of fixing the board | plate material for stairs of FIG. 1 to a side beam board. It is a perspective view which illustrates the structure of the staircase using the board | plate material for stairs of FIG. It is a figure which illustrates the conventional staircase using a laminated board.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Side girder board 10 Stairs board material 12 Lower side kick-up surface 14 Tread surface 16 Upper side kick-up surface 18 Non-slip 30 Support stand 35 Handrail 40 Connection member (Joiner)
41, 42 Vertical member B1, B2, B3 Screw

Claims (2)

  A staircase board material obtained by bending a laminated board, comprising: a substantially vertical lower kick-up surface; a horizontal tread surface; and a substantially vertical upper kick-up surface.   A staircase plate material comprising a pair of concave and convex engaging portions that engage with the concave and convex portions to be mated with each other at the lower end portion of the lower-stage kick surface and the upper end portion of the upper-stage kick surface.

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