JPH02213556A - Staircase device - Google Patents

Abstract

PURPOSE:To make it possible to form a staircase and also facilitate construction by constituting the present staircase device in such a way that the upper ends of the balusters are fixed to the top rail built between newel posts and the treads of the staircase are also fitted to the lower ends of the balusters. CONSTITUTION:The fitting sections of balusters 4 are fitted in the interior of a top rail 3 through upper and lower flakes 24 and 25 and both of each fitting hole 37 and through hole 39 are also fixed by using bolts inserted therein, and the upper ends of the balusters 4 are fixed to the top rail 3. In addition, treads 6 are fixed to the balusters 4 at front and rear positions in order to be stably attached to the top rail 3.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a stairway device that can form a stairway with a simple configuration by attaching treads to the handrails of the stairway from the wooden cap through railings. .

[Conventional technology]

In the case of stairs connecting the upper and lower floors of a house, a pair of stringers a,
At the same time as spanning the stringers a and installing treads between the stringers a and a, the balustrade C that rises from the stringers a.
A Kasagi d that forms a handrail is attached to the tip.

[Problem to be solved by the invention]

However, Kasagi d is not strong enough to be supported by the tile C alone, so the lower and upper ends of Kasagi d are connected to main pillars rising from the lower and upper floors, respectively, to ensure strength and safety. I keep it. Therefore, in order to provide a staircase, two types of members with different purposes must be installed between the upper and lower floors, making the structure complex and requiring time and effort to construct. For this reason, the emergence of a structure that would simplify the configuration of stairs and facilitate construction was expected.

The present invention is a stairway device that can form stairs without installing stringers and can be easily constructed, based on the idea that stair treads are attached to the cap timbers that are spanned between the main pillars via balustrades. intended to provide.

[Issues to solve the problem]

In order to satisfy the above-mentioned requirements, in the stair device of the present invention, the upper end of the balustrade is fixed with a cap timber spanned between the main pillars, and the stair tread is attached to the lower end of the balustrade.

[Effect]

Since the stair treads are attached to the cap wood, the cap wood can support the load applied to the treads, making it possible to omit the stringers installed on conventional stairs.
Construction becomes easier.

〔Example〕

An embodiment of the present invention will be described below based on the drawings.

In Figs. 1 to 4, the stair device 1 of the present invention has a main pillar 2.2.
The upper end of the balustrade 4 is fixed by a cap timber 3 spanning between them, and a tread 6 of a staircase 5 is attached to the lower end of the balustrade 4.

The main pillar 2 is a downstairs main pillar 2 that is erected on the downstairs floor body F1.
Each main pillar 2.
2 is a square column, and the lower ends are firmly fixed to the floor bodies F1 and F2, respectively, and the upper ends have cap timbers 3 on their opposing surfaces.
A plurality of screw holes 15.15 are provided protrudingly for bolting both ends of.

The cap wood 3 is formed as a girder that connects the upper ends of the main pillars 2A and 2B on the lower and upper floors at an angle, and extends outward from the lower edge of the vertical base piece 21 as shown in FIG. Piece 22
, the lower pieces 23 extend out, and the upper tongue pieces 24 from the outer end of the outer upper piece 21 and the lower tongue pieces 25 from the outer end of the lower piece 22 face each other and project out.

Each of the moons of the wooden cap 3 is formed integrally by bending a metal plate made of steel, aluminum, or the like. Furthermore, on both end faces of the cap wood 3, plates are attached and provided with bolt holes 26 that are aligned with the screws 15 of the main pillar 2 and are provided therethrough, and are firmly fixed to the cap wood 3. By screwing the passing bolt into the screw hole 15 of the main pillar 2, the cap wood 3
is spanned between the main pillars 2A and 2B.

The balustrade 4 includes a base 31 made of a long column having a hollow rectangular cross section, and a mounting portion 32 that is attached to the inside of the outer base 31.
It consists of

As shown in Fig. 3.4, the mounting part 32 is an inverted T-shaped piece in which a vertical piece 34 having an end higher than the tip of the base 31 is connected to the upper part of a horizontal piece 33 which is longer than the width of the base 31. A locking piece 35 having a letter shape and a separating piece 3 attached to the outside of the locking piece 35
6, and the mounting portion 32 has a piece 36 separating the locking piece 35.
It is fixed to the upper end portion of the base 31 with a .

The locking piece 35 has mounting holes 37, 37, and 37 transparently provided at both ends of the horizontal piece 33 and at the upper end of the vertical piece 34, while the cap wood 3
The upper tongue piece 24 and the lower tongue piece 25 also have the mounting hole 37.
Through-holes 39 . The mounting pitch of the through holes 39-- is set equal to the mounting interval of the footboards 6.

The Tezuriko 4 attaches the mounting portion 32 to the upper and lower tongue pieces 24 and 25.
Insert it into the inside of the cap wood 3 through the gap, and
．． As shown in Figure 4 (each mounting hole 37... and each through hole 39...
The upper end of the balustrade 4 is fixed to the cap timber 3 by fixing it using bolts that pass through both.

In addition, the balustrade 4 has a tread plate 6.6 adjacent to the lower end of the base 31.
The upper through holes 41 are arranged vertically apart from each other and are approximately equal in height to each other.
, a lower through hole 42 is inserted between the outer and inner surfaces of the base 31.

Therefore, a plurality of balustrades 4-., which are the same in number as the treadboards 6 and spaced apart from each other, are installed on the cap wood 3.

The footboard 6 has a horizontally elongated rectangular plate shape, and mounting metal fittings 47.46 are provided on the lower surface of both ends thereof, and screw holes 45 and 46 are located at the entire end and the rear end, respectively, and extend in the longitudinal direction of the footboard 6. 49 are provided.

In this embodiment, the lower end of the riser 16 extending downward from the front edge 6a of the tread plate 6 placed at the rear is connected to the rear edge 6b of the tread plate 6 placed at the front, thereby forming a series of folds bent into a triangular mountain shape. It is formed as a staircase 5. Note that the tread plate 6 and the riser plate 16 are reinforced by ribs 50 attached to the lower surface of the tread plate 6.

After aligning the screw hole 45 located at the front with the through hole 41 on the balustrade 4, the tread plate 6 is fitted with these two holes 45 and 41.
The screw hole 46 located at the rear end and the balustrade 4 hanging down by the construction method of the balustrade 4 are connected using bolts passing through the balustrade.
By bolting the lower through-hole 42, the footboard 6 is fixed to the balustrade 4.4 at two locations, front and back. Similarly, by sequentially fixing the front and rear treads 6 to the balustrades 4 at two locations, the treads 6 are stabilized (attached to the cap wood 3) via the balustrades 4.4.

As in this embodiment, the treads 6 are connected by the risers 16 as an integral staircase 5, and the plurality of ledges can further increase the rigidity.

Further, in this embodiment, the upper end of the balustrade 6 is covered by a cover unit 51 attached to the outside of the cap wood 3.

The lower end 23 of the cap wood 3 is provided with an overhang piece 53 that extends along the cap wood 3 and has a continuous groove 52 formed by bending below the outer end. Note that the projecting piece 53 is provided with a notched recess 54 at a position through which the lever 4 is inserted.

The cover unit 51 has an upper side extending inward from the upper end of the side piece 56 which is approximately at the same height as the cap wood 3, and has a supporting piece 57 at the tip facing the tongue piece 24 on the top of the cap wood 3. The overhanging piece 5 is provided from the lower end of the side piece 56 to the tip.
An inward piece 61 having a locking part 60 fitted into the groove 52 of No. 3 is connected.

The cover unit 51 connects the locking portion 60 to the groove 5 of the overhanging piece 53.
2 and bolts the abutment piece 57 and the upper tongue piece 24 to cover the upper end of the balustrade 4 by extending it to the outside of the cap wood 3, thereby increasing safety.

In addition, in the stair device of the present invention, a plurality of treads can be connected to the balustrades 4 without being linked together, and can also be used for stairs that bend into a U-shape as schematically shown in FIG. 6. The present invention can be used in various ways! It can be transformed into various things.

〔Effect of the invention〕

The stair device of the present invention, like the one on the ridge, fixes the upper end of the balustrade with the cap timbers spanned between the main pillars, and attaches the stair tread to the bottom end of the balustrade, so that the load acting on the tread is reduced. The stairs can be supported by the wooden cap, and the stairs can be formed without providing stringers as in the conventional case, the structure is simplified, and the construction efficiency is also improved.

[Brief explanation of the drawing]

Fig. 1 is a front view showing one embodiment of the present invention, Fig. 2 is an exploded perspective view showing the main parts, Fig. 3 is a cross-sectional view showing the installation of the hat timbers and balustrades, and Fig. 4 is , its A-A cross-sectional view,
FIG. 5 is a plan view showing another embodiment, and FIG. 6 is a sectional view showing the prior art. 2.2A, 2B~Main pillars, 3...-Kasa wood, 4...-Tsuriko, 5...-Stairs, 6--Treading boards.

Claims (1)

[Claims] 1. A stair device in which the upper end of the balustrade is fixed with a cap timber that spans between the main pillars, and a stair tread is attached to the lower end of the balustrade.