JPH05195607A - Trestle structure for stair with open handrail in unit house - Google Patents

Abstract

PURPOSE:To make stairs lightweight, fit and fix the stair without using a special floor, reduce the cost and the number of parts, and improve workability in the structure of a frame used to assemble the stair with an open handrail provided at an open ceiling section in a unit house. CONSTITUTION:The trestle 7 on the first stage of 4 stairs 3 is made of steel, and frames 4-6 on the second stage and above of the stair 3 are made of wood. The newel post of an open handrail is fitted and fixed on the steel trestle 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a gantry used for assembling a staircase with an open handrail which is provided in an atrium in a unit house.

[0002]

2. Description of the Related Art Various structures have been proposed in the past for the structure of stairs provided in a house (eg, Kaikai Sho 56).
-37647, Japanese Utility Model Publication 59-18019,
(See Japanese Laid-Open Patent Publication No. 61-196058, etc.), in particular, an open handrail provided for a blow-through portion in a unit house.
A staircase with a (handrail on the side of the colonnade) has been conventionally used, for example, as shown in FIG.
It is assembled as shown in.

In FIG. 7, reference numeral 1 denotes an iron pedestal, and a unit forming a stair is formed by assembling a wooden riser plate or a step plate on the iron pedestal 1. The staircase unit configured in this way is hoisted using wires, eyebolts, etc., and is transported to a predetermined position in the house for mounting.

At this time, as shown in FIG. 7, the floor to which the lower end of the staircase unit is fixed has a pair of left and right notch openings 2a, 2a, and the special floor 2 reinforced by beam members 2b.
Is configured as. Then, the pair of left and right mounting legs 1a, 1a fixed to the lowermost end of the iron pedestal 1 are respectively arranged through the cutout openings 2a, 2a of the special floor 2, and the flanges 1b of the respective mounting legs 1a are arranged. , It is fixed to the special floor 2 by bolting or the like.

In addition, a bolt hole 1c for mounting and fixing a main pillar (not shown) of an open handrail on the side of the stairwell is formed at the lowest stage of the iron pedestal 1, and the staircase unit is set at a predetermined position. After mounting and fixing, the main pillar of the open handrail is fixed by bolting using this bolt hole 1c.

[0006]

However, in the conventional stairway platform structure with open handrails, the platform 1 is made of iron, which is high in cost and considerably heavy.
There was a problem that equipment for carrying in and assembling for lifting the stair unit was required, and the workability of assembling the stair unit deteriorated.

Further, in order to support a heavier staircase unit, a special floor 2 reinforced by beams 2b or the like must be used, resulting in an increase in the number of parts and a decrease in workability.
There was also the problem of increasing costs.

[0008] The present invention is intended to solve such a problem, and can reduce the cost and the number of parts and the workability by making it possible to attach and fix the stairs without using a special floor by reducing the weight. It is an object of the present invention to provide a pedestal structure for stairs with an open handrail in a unit house, which has been improved.

[0009]

In order to achieve the above object, the stair structure for a staircase with an open handrail of a unit house according to the present invention is configured such that the mount for the first stage of the staircase is made of iron, while the staircase is constructed. It is characterized in that the pedestal for the second stage and above is made of wood. In addition, the main pillar of the open handrail may be attached and fixed to the first iron frame of the stairs.

[0010]

In the above-described open-rail handrail staircase structure of the unit housing of the present invention, only the mount for the first step of the stairs is made of iron, and the mounts for the second and higher steps are made of wood. Will be significantly lighter than conventional ones and the standard floor will support the stairs.

Further, since the parent pillar, which is the base end of the open handrail, is attached to the first-stage iron frame, it is more securely fixed than when it is attached to the wooden one, and the force received by the open handrail is reduced. It can be transmitted to the floor side from pillars and iron frames.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawings, a stair structure for stairs with an open handrail of a unit house as one embodiment of the present invention will be described below. In FIG. 1, the first stage is assembled after the second or more stages of the stairs have been assembled. 2 is an exploded perspective view showing the entire staircase structure, FIG. 2 is an exploded perspective view showing the attachment of the main pillar to the first step of the staircase, and FIGS. 3 (a) and 3 (b) are respectively the fourth step and above of the staircase. A side view showing the wooden mounts on the wall side and the stairwell side, FIG. 4 is an exploded perspective view showing the wooden mounts of the second and third stages (landing), and FIG. 5 shows the iron mount of the first stage of the stairs. FIG. 6 is an exploded perspective view, and FIG. 6 is a perspective view showing a completed state of a staircase with an open handrail constructed using the structure.

In this embodiment, when the staircase with open handrails (14 steps in total) 3 as shown in FIG. 6 is constructed in the stairwell in the unit house, the gantry structure of the present invention is applied. For the fourth stage and above, the wall side wooden frame 4 and the stairwell side wooden frame 5 as shown in FIGS. 3 (a) and 3 (b) are used, and the second and third stages of the stairs 3 (landing) are used. 4 uses a wooden stand 6 as shown in FIG. 4, and the first stage of the stairs 3 uses an iron stand 7 as shown in FIG.

To explain each of the mounts 4 to 7 in more detail, the wall-side wooden mount 4 has a stair 3 as shown in FIG. 3 (a).
The three wall panels 8a to 8c capable of forming side walls can support the wall side of the step plate 14 and the riser plate 15 (see FIG. 1) forming the 4th to 14th steps of the staircase 3, respectively. Step board receiving plywood 9a (for 4th to 7th steps), 9b (for 8th to 11th steps), 9c (1
(For 2nd to 14th steps) are fixed to a predetermined height position by adhesion and nailing. In addition, plywood 9a, 9b
On the upper wall panels 8a and 8b, stair side plates 10a and 10b having a thickness smaller than that of the plywoods 9a and 9b are attached by adhesion and nailing.

Further, as shown in FIG. 1, the blow-through side wooden pedestal 5 is arranged so as to face the above-mentioned wall side wooden pedestal 4 with an interval corresponding to the width of the step plate 14 and the riser plate 15. As shown in FIG. 3B, three panels 11a to 11c capable of forming a wall on the stairwell side of the stairs 3 are respectively provided with the stairs 3
4 to 14 steps of the step board 14 and the riser board 15 which can support the blow-through side, a step board receiving plywood 12a (for the 4th to 7th steps), 12b (for the 8th to 11th steps), 12c (12 (For up to the 14th stage) are fixed at a predetermined height position by adhesion and nailing.

The panel 1 above the plywoods 12a and 12b.
The stair side plates 13a and 13b, which are thinner than the plywoods 12a and 12b, are attached to the 1a and 11b by adhesion and nailing. Further, the upper edge of each panel 11a to 11c has four steps of the stairs 3 at the upper edge as shown in FIG.
When the panels 11a to 11c are connected as shown in FIG. 1 in order to attach / fix the open handrail 16 on the blow-through side of the 14th step by adhesion, the lower surface of the open handrail 16 is inclined (inclination of the stairs 3). It is configured so that an inclined surface along the can be continuously formed.

The wooden pedestal 6 is a second step plate 19 of the stairs 3.
Also, in order to support the third step plate 20 (which forms a landing), it has a frame structure as shown in FIG. 4, and the step plates 19 and 20 are fastened to the upper part of the wooden frame 6. A plurality of (9) step plate fixing angle members 21 for fixing are attached with countersunk screws 23.

A third step plate 20 is placed on such a wooden base 6 and is tightened and fixed to the step plate fixing angle member 21 by a drilling tapping screw 22.
After the second step plate 19 and the riser plate 24 are fitted and placed in the predetermined positions of the wooden frame 6, the side plates 25 and the side plate 25 are provided on both sides of the second step plate 19 and the riser plate 24. 25 is attached with an adhesive, and nails 26 are driven in to make a step plate 1.
9 and the riser plate 24.

The iron pedestal 7 has a frame structure as shown in FIG. 5 in order to support the first step plate 27 and riser plate 28 of the stairs 3. Has a plurality of (4) screw holes 7a for tightening / fixing the step plate 27, and the side surface of the iron base 5 on the blow-through side is, as will be described later with reference to FIG. Bolt holes 7b for mounting / fixing the main pillars 18 of the open handrails 17 in the step are formed at two positions above and below.

On such an iron stand 7, the first step plate 2 is attached.
7 is placed and tightened and fixed by a drilling tapping screw 22 through the screw hole 7a. In addition, the first step plate 2
7 and the riser plate 28 are pre-assembled, and side plates 29, 29 are attached to both sides thereof to form a unit.

The members (units) described above with reference to FIGS. 3 to 5 are assembled as shown in FIG. 1 to construct the stairs 3. That is, the wall side wooden pedestal 4 and the blow-through side wooden pedestal 5 shown in FIGS. 3 (a) and 3 (b) are arranged to face each other with a predetermined gap, and 4 to 14 are formed by the step plate receiving ply plates 9a to 9c and 12a to 12c. After supporting and attaching both ends of the step plate 14 and the riser plate 15 of the step, and placing and fixing the wooden pedestal 6 to which the step plates 19 and 20 are attached at predetermined positions as shown in FIG. As shown in FIG. 5, the iron pedestal 7 to which the step plate 27, the riser plate 28, etc. are attached is arranged so as to be connected to the second step portion of the wooden pedestal 6, and is tightened to the floor with the drilling tapping screw 22. Fix it.

Then, 1 of the stairs 3 fixed at a predetermined position
A handrail panel 31 is tightened and fixed by a drilling tapping screw 22 on the side surface of the second and second blow-through sides. The upper edge of the handrail panel 31 is the panel 11
As in the case of the upper edges of a to 11c, as shown in FIGS. 1 and 2, the open handrails 17 on the blow-through side of the first and second steps of the stairs 3 are attached and fixed to the upper edges by adhesion. In order to
The open handrail 17 is formed by forming an inclined surface along the inclination of the lower surface (inclination of the stairs 3).

After constructing the stairs 3 as shown in FIG. 1, the upper edges of the panels 11a to 11c are, as shown in FIG.
The open handrails 16 on the blow-by side of the 4th to 14th steps are fixed by adhesion and nailing, and the open handrails 17 on the blow-by side of the first and second steps are attached.

That is, as shown in FIG. 2, an adhesive is applied to the upper edge of the handrail panel 31, the open handrail 17 is placed on the adhesive, and the landing post 16 of the open handrail 16 is placed.
The open handrail 17 is provided in the notch hole 16b formed in a.
After inserting the protrusions 17a at the ends (applying the adhesive to the protrusions 17a as well), the head part of the open handrail 17 is drilled by the drilling tapping screw 22 to the landing column 16a.
It is fastened and fixed to the handrail panel 31 with the nail 26.

When the open handrail 17 is arranged at a predetermined position in this way, the main pillar 18 of the open handrail 17 is provided.
Bolt holes 18a formed in the lower end portion of the iron rack 7 are arranged so as to be aligned with the positions of the bolt holes 7b of the iron frame 7, and the bolts 32 are passed through the bolt holes 7b and 18a.
The main pillar 18 of the open handrail 17 is attached to the first-stage iron frame 7 of the stairs 3 by screwing and tightening
Fixed. A plain washer 34 is provided on the bolt 32 side, while a plain washer 34 and a spring washer 3 are provided on the nut 33 side.
Five are arranged.

After that, the bottom riser 3 is attached to the iron stand 7.
0 is attached by adhesion, and a decorative panel 36 covering the bolt 32 is attached and fixed on the blow-out side of the lower end of the main pillar 18 by adhesion.

As described above, in the gantry structure of this embodiment, only the gantry 7 for the first step of the stairs 3 is made of iron and the gantry 4 to 6 for the second step and above are made of wood. Is much lighter than the conventional one made entirely of iron, there is no need to use a special floor, and the floor floor joists (not shown) of the standard floor are fixed with stairs 3 (the pedestal structure). ) Can be supported. Therefore, in addition to reducing the manufacturing cost of the staircase unit in the unit house,
With regard to the floor structure, the members for constructing the special floor are not required, and it is possible to reduce the number of parts, improve workability, and reduce production / assembly mistakes.

Further, since the main pillar 18 which is the base end of the open handrails 16 and 17 is attached to the first-stage iron pedestal 7, it is more securely fixed than when it is attached to a wooden one. , 17, the strength of the main pillar 1
8. There is also an advantage that it can be transmitted from the iron pedestal 7 to the floor side.

The present invention is not limited to the above-mentioned embodiments, and is included in the scope of the present invention even if there are design changes and the like without departing from the gist of the present invention. For example, in the above embodiment, as shown in FIGS. 1 and 6, the case where the structure of the present invention is applied to the stairs 3 having the landing at the third stage and changing the direction by 90 degrees in the third stage has been described. The structure of the present invention is not limited to this, and any stairs with an open handrail provided to the blow-through portion in the unit house can be applied in the same manner as in the above-mentioned embodiment and similar operational effects can be obtained.

[0030]

As described above in detail, according to the stair structure for the staircase with the open handrail of the unit house of the present invention, only the mount for the first stage of the stairs is made of iron, and the mount for the second stage and above. Since is made of wood, the weight of the entire gantry is significantly reduced, and the standard floor can support the stairs, which has the effect of reducing manufacturing costs, the number of parts, and improving workability.

Also, by mounting the parent pillar, which is the base end of the open handrail, on the first-stage iron frame, it is more securely fixed than when it is mounted on a wooden one, and the force received by the open handrail is reduced. There is also an effect that it can be transmitted to the floor side from a pillar or an iron frame.

[Brief description of drawings]

FIG. 1 is a view showing a stair structure for a staircase with an open handrail of a unit house as one embodiment of the present invention, showing the entire stair structure when the first step is assembled after the second step or more of the steps are assembled. It is an exploded perspective view shown.

FIG. 2 is an exploded perspective view showing the attachment of the main pillar to the first step of the staircase of this embodiment.

FIG. 3 shows a wooden stand (staircase unit) for the fourth and higher steps of the staircase of this embodiment, (a) is a side view showing the wooden stand on the wall side, and (b) is a wooden stand on the stairwell side. It is a side view which shows.

FIG. 4 is the second and third steps of the staircase of this embodiment (landing)
FIG. 3 is an exploded perspective view showing a wooden mount of FIG.

FIG. 5 is an exploded perspective view showing an iron pedestal for the first step of the staircase of the present embodiment.

FIG. 6 is a perspective view showing a completed state of a staircase with an open handrail constructed by using the structure of the present embodiment.

FIG. 7 is an exploded perspective view showing a conventional stair pedestal structure with open handrails of a unit house.

[Explanation of symbols]

 3 Stairs with open handrails 4 Wall side wooden stand 5 Wooden floor side wooden stand 6 Wooden stand 7 Iron stand 8a-8c Wall panel 9a-9c, 12a-12c Step board receiving plywood 10a, 10b, 13a, 13b Stair side board 11a-11c Stairwell side panel 14, 19, 20, 27 Step plate 15, 24, 28, 30 Raised plate 16, 17 Open handrail 16a Landing column 16b Cutout hole 17a Projection 18 Parent post 18a Bolt hole 21 Step plate fixing angle member 22 drilling tapping screw 23 countersunk screw 25, 29 side plate 26 nail 31 handrail panel 32 bolt 33 nut 34 plain washer 35 spring washer 36 decorative panel

Claims (2)

[Claims] 1. In a pedestal structure of a staircase with an open handrail, which is provided for a stairwell in a unit house, the pedestal for the first staircase of the staircase is made of iron, while the pedestal structure for the second staircase or more of the staircase is constructed. An open railing stair mount structure for unit housings, characterized in that the mount is made of wood. 2. A stair structure for an open staircase of a unit house according to claim 1, wherein the main pillar of the open handrail is attached / fixed to the first stage iron mount of the stairs. .