JPH0816381B2 - Wooden straight staircase and its construction method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sub-unit wooden straight staircase for indoor use in a prefabricated house by a wooden panel construction method and a construction method thereof.

[0002]

2. Description of the Related Art As a wooden staircase in a prefabricated house using a wooden panel construction method, a technique for combining a staircase wall panel with a stepped plate and a staircase unit has been disclosed in Japanese Utility Model Publication Sho 56-174.
It is known from Japanese Patent No. 630.

A wooden stair unit is constructed by fixing a riser plate to the front end side of one step plate, and assembling side plates at the left and right ends of the step plate to form a step of another wooden step unit adjacent to the riser plate. A technique for actually assembling a plate and a plate is known from Japanese Utility Model Publication No. 4-24026.

[0004]

Although the wooden stairs are sub-unitized as described above, first, in the technique disclosed in Japanese Utility Model Laid-Open No. 56-174630, in addition to the stair units, steps are provided. It was necessary to specially prepare the staircase wall panel with the board receiving bar, that is, the wall panel of the staircase had to be specially processed.

Further, in the technique disclosed in Japanese Utility Model Publication No. 4-24026, at least units corresponding to the number of steps of stairs are prepared and connected to the wall panel each time in addition to the connection by actual fixing. Work is required, that is, there is room for improvement in terms of assembly work.

In particular, in the case of a wooden staircase for indoor use, it is desirable to consider the workability while reducing the number of parts and to appropriately form a sub-unit.

[0007] Therefore, an object of the present invention is to provide a minimum necessary sub-unit that can be installed without special processing or complicated assembling work for each step of a wall panel of a staircase, and to improve workability. It is to provide a wooden straight staircase for indoor use that achieves improvement as well as stable quality and shortened construction period.

[0008]

[Means for Solving the Problems] In order to solve the above problems, the present invention provides a wooden straight staircase without a landing, which is provided on the lower floor.
Positioned by a fixed jig on the bottom of the stairs temporarily fixed to the floor
Decide and connect the lower end to the floor of the lower floor,
The uppermost stairs temporarily fixed to the floor of the lower floor and the floor edge of the upper floor
Positioning jig A wooden straight staircase unit which is positioned by a fixed tree, has its upper end connected to the floor surface of the upper floor , and has a number of step plates assembled in parallel between the left and right side plates, and the middle of this straight staircase unit. It is characterized by comprising a wooden frame unit interposed between the lower part of the floor and the floor surface of the lower floor.

Further, according to the present invention, a wooden partition wall unit, one side of which is connected to a side plate of the straight staircase unit, is provided between the floor surface of the lower floor and the floor surface of the upper floor. It is characterized by being provided.

In the above wooden straight staircase that is made into subunits, specifically, the side plates are sasara girders. Furthermore, specifically, the above wooden straight stairs are installed along a wall surface on one side.

Further, according to the present invention, in the wooden straight staircase having the above subunits, the first assembling step of temporarily fixing the stair lower end positioning jig fixed tree to the floor surface of the lower floor, and the stair top stage The second assembling step of temporarily fixing the positioning jig fixed tree to the floor surface of the lower floor and the floor end portion of the upper floor; Positioned by jig jig and fixed to the floor surface of the lower floor and the floor surface of the upper floor, and also fixed to the wall surface on one side.
And the fourth assembly step of fixing the frame unit below the middle part of the straight staircase unit, and fixing it to the floor surface of the lower floor and the wall surface on one side, and the partition wall unit. A construction method comprising a fifth assembling step of fixing to the side surface of the straight staircase unit and the side surface of the frame assembly unit and fixing to the floor surface of the lower floor.

[0012]

The wooden straight staircase according to the present invention is composed of at least two units including a straight staircase unit having left and right side plates and a frame unit supporting the lower surface of the middle part thereof.
Furthermore, since it is composed of three units including a partition wall unit for partitioning the side of the straight staircase unit, it is possible to obtain good indoor accommodation and stable quality.

When the side plate is made of a smooth girder, the side plate does not appear on the wall surface. Also, since it is installed along the wall on one side, the strength as a straight staircase can be secured,
There is no need to provide a handrail separately.

Regarding the assembling procedure, first, a jig block for positioning the lower end of the straight staircase unit is temporarily fixed to the floor of the lower floor. Next, a jig block for positioning the uppermost stage of the straight staircase unit is temporarily fixed to the floor surface of the lower floor and the floor end portion of the upper floor. Next, the straight staircase unit is positioned by the stairs lower end positioning jig fixed tree and the stairs uppermost stage positioning jig fixed tree, and fixed to the floor surface of the lower floor and the floor surface of the upper floor, and the wall surface on one side. Fixed to. Next, the frame unit is fixed below the middle part of the straight staircase unit and also fixed to the floor surface of the lower floor and the wall surface on one side. Next, the partition wall unit is fixed to the side surface of the straight staircase unit and the side surface of the frame assembly unit, and is fixed to the floor surface of the lower floor.

Thus, the assembling work of the wooden straight staircase which has been made into subunits is completed, and the assembling work is completed in 5
Since the process is simplified (3 processes except temporary fixing of jig jig), the construction period can be shortened.

[0016]

EXAMPLE An example of a wooden straight staircase according to the present invention will be described below with reference to FIGS. First, in FIGS. 1 and 2 showing an assembled state of a wooden straight staircase according to the present invention,
1 is a stair bottom positioning jig fixed tree, 2 is a stair top stage positioning jig fixed tree, 3 is a straight stair unit, 4 is a frame assembly unit,
5 is a partition wall unit.

As shown in FIG. 2, the stairs lower end positioning jig stub 1 is made of a plate material, and one stairs bottom positioning jig stub 1 is prepared in advance.

As shown in FIG. 2, the stairs uppermost stage positioning jig stub 2 is made of a square wood, and two stairs uppermost positioning jig stubs 2 are prepared in advance.

As shown in FIGS. 1 and 2, the straight staircase unit 3 includes, between the right and left sasara girders 31, 31 forming side plates,
14 step plates 3 from the 1st step to the top 14th step
3, 33, 33, 33, 33, ..., 34, and risers 35, 35, 35, 3 between the second step and the thirteenth step thereof.
, 35, and a nose receiving member 36 made of a half-divided material under the uppermost step plate 34 are integrally joined, and a wall adjusting material 37 is integrally joined to the outer surface of the sasara girder 31. belongs to. As shown in FIGS. 5 and 6, 1
The riser plate 38 below the stage plate 33 and the riser plate 39 below the uppermost stage plate 34 are retrofitted, respectively.

The frame assembly unit 4 is shown in FIG. 1, FIG. 2 and FIG.
As shown in FIG. 4, a partition frame is formed, and upper and lower horizontal frame members 41, 41 and three horizontal frame members 43, 43, 43 are integrally joined together, and a cross section is formed on the upper horizontal frame member 41. It is made of wood by joining and combining triangular connecting girders 45.

The partition wall unit 5 is, as shown in FIG.
The half-divided member 52 and the lintel 53 are joined and integrated along the rear end face of the wall panel 51, while the small width wall panel 55 is joined and integrated along the front end face of the wall panel 51. The handrail wall panel 57 is integrally joined to the front end face of the above with a half-divided material 56 interposed therebetween.

As shown in FIG. 1, FIG. 2, and FIG. 5, the indoor components for installing the above-mentioned units are as shown in FIG. 1, FIG. 2, and FIG.
The wall panels 121, 122, 123, in order from the left front
It is composed of 124 and the like. 125 is a half-divided material, 126 is a small wall panel, 127 is a beam receiving reinforcement plywood, 128 is a beam receiving member, 129 is a lintel, 131 is an entrance, 132 is an entrance / exit,
133 is a storage space under the stairs, and 134 is a dining room / kitchen area. As for the second floor, which is the upper floor, the floor panel 211 on the back side to which the uppermost stairs are connected, the body differences 212, 213 on the left and right sides of the stairwell portion on the front side, and the floor panel 214 on the front side thereof. And the body difference 215, other floor panels 216, 217, 218 ..., Wall panels 221 ... 231 is a handrail, and 232 and 233 are doorways.

In the above, for example, the wall panel has a thickness of 90 mm, a width of 910 mm and a height of 2578 mm,
The core distance of the wall panels 51, 55, 57 of the partition wall unit 5 to the first floor wall panels 121, 122, 123, 124 is 910 mm. Moreover, the body difference and the height of the second floor panel are 180 mm. Further, the straight staircase unit 3 constituting the wooden straight staircase according to the present invention is designed in advance so as to have a size that can be accommodated in the staircase by the above-mentioned indoor components.

Next, a procedure for assembling the wooden straight staircase according to the present invention will be described. Prior to the assembly work, necessary marking such as jig fixed tree line and point, partition frame line, partition wall line, etc. is made.

First, in the first assembling step, the stairs lower end positioning jig fixed tree 1 is set at a predetermined position (line) of the first floor panel 111 as shown by an arrow in FIG. Nail the panel 111. In this way, the jig block 1 for positioning the lower end of the straight staircase unit 3 is first temporarily fixed.

In the next second assembly step, the right and left stairs uppermost stage positioning jigs 2 and 2 are placed at predetermined positions (points, etc.) on the first floor panel 111, as shown by arrows in FIG. Set and nail the lower ends of the jig blocks 2 and 2 to the floor panel 111 of the first floor, and set the 2 on the back side of the stairwell.
On the front surface of the floor panel 211, the upper ends of the jig blocks 2 and 2 are also nailed. In this way, the jig blocks 2 and 2 for positioning the uppermost stage of the straight staircase unit 3 are temporarily fixed second.

In the next third assembling step, the first floor panel 11
The lower ends of the sasara girders 31 and 31 of the straight staircase unit 3 are abutted against the stairs lower end positioning jig fixed tree 1 on the upper side of the stairs 1 and the uppermost stairs positioning jig fixed trees 2 and 2 on the front surface of the second floor panel 211. As shown in FIG. 4, the nosing member 36 under the uppermost step plate 34 of the straight staircase unit 3 is placed on the upper end of the
Set the positioning. And the left and right sasara girders 31, 3
The lower end of 1 is nailed to the first floor panel 111, the nose member 36 under the uppermost step plate 34 is nailed to the core material 211a on the front surface of the second floor panel 211, and the left side girder 31 is provided. The first floor wall panel 121,
122,123,124 is nailed. In this way, the straight staircase unit 3 is first fixed, and then the jig blocks 1, 2 and 2 used for the positioning are removed.

Thereafter, as shown in FIGS. 1 to 3, the riser plate receiving field edge 32 is nailed to the floor panel 111 between the lower ends of the sasara girders 31, 31, and as shown in FIG. The rear riser 38 is nailed. Furthermore, as shown in FIG. 7, even between the upper ends of the sasara girders 31 and 31,
To the nose member 36 below the uppermost step plate 34, a kick plate 39 which is attached later is nailed from the front. As shown in FIG. 7, since the nose member 36 is directly attached to the core material 211a on the front surface of the second floor panel 211, the barrel difference for attaching the stairs to the front surface of the second floor panel 211 is deleted. The cost can be reduced.

In the next fourth assembly step, as shown in FIGS. 1, 2 and 5, the seventh step plate 3 of the straight staircase unit 3 is used.
The frame assembly unit 4 is set at a predetermined position below 3 (a partition frame line in the floor panel 111). Then, the lower horizontal frame member 41 is nailed to the floor panel 111, and the vertical frame member 43 is nailed to the left wall panel 123. Further, the upper bonding material 45 is also nailed to the right and left sasara girders 31, 31. Thus, the middle part (1
(7th step out of 4 steps) Fix the frame assembly unit 4 supporting the bottom second.

In the next fifth assembling step, as shown in FIG. 1, the partition wall unit 5 is set on the right side of the straight staircase unit 3, and the wall panels 51, 55, 57 and the lintels are connected to the straight staircase unit 3. The right side sara girder 31 of 3 is nailed by the wall adjusting material 37, and the vertical frame material 43 of the frame unit 4 is also nailed. And the wall panels 51, 55, 5
The lower end of 7 is nailed to the joining portion of the floor panels 111 and 112, and the upper ends of the wall panels 51 and 55 are nailed to the body difference 213 and the second floor panel. Thus, the partition wall unit 5 is finally fixed.

As described above, as shown in FIGS. 5 to 7, the assembling of the wooden straight staircase according to the present invention is completed. After that, a gypsum board is attached to the wall surface, and further an appropriate interior finish is applied. The gypsum board is Sasara girder 3.
1 is attached along the outer surface of the wall adjusting material 37.

By the way, in the example of FIG. 5, a lintel 141 is installed between the sasara girders 31, 31 below the eleventh step plate 33 via a connecting girder 142.
Below 1 is the entrance / exit 1 to the staircase storage space 133
It is 43. In addition to this example, for example, a storage opening may be formed in the wall panel 51 of the partition wall unit 5.

As described above, the advantages obtained by the indoor wooden straight staircase according to the present invention, which is a subunit, are listed below. First, each unit can be factory manufactured. Quality can be supplied stably. Then, in the field, two people can safely perform the assembly work. No special marking is required. Correct and easy installation of each unit. No technical judgment required. Does not require measurement and processing. There is no garbage. It fits well. Quality is stable. Work time can be shortened.

In the above embodiments, the handrail wall is provided integrally with the partition wall unit, but the present invention is not limited to this, and a partition wall unit without a handrail wall or a straight staircase. It may be a partition wall unit that partitions the entire lateral surface. Further, it is needless to say that the size and design of each unit are arbitrary, and other specific detailed structures can be appropriately changed.

[0035]

As described above, according to the wooden straight staircase of the present invention, at least two units are constituted by the straight staircase unit having the left and right side plates, and the frame assembly unit supporting the lower surface of the middle part thereof. Further, as in claim 2, since it is composed of 3 units including the partition wall unit for partitioning the side of the straight staircase unit, it is possible to obtain good indoor accommodation and stable quality. .

When the side plate is a flat girder as in claim 3, the side plate does not appear on the wall surface. Further, as claimed in claim 4, since it is installed along the wall surface on one side, the strength as a straight staircase can be secured, and a handrail is installed separately.
No need to kick .

According to the construction method, the jig fixed tree for positioning the lower end of the straight staircase unit is temporarily fixed to the floor surface of the lower floor, and the jig for positioning the uppermost stage of the straight staircase unit. Temporarily fix the fixed wood to the floor surface of the lower floor and the floor edge of the upper floor, and position the straight staircase unit with the stair lower end positioning jig and the stair top stage positioning jig It is fixed to the floor surface of the floor and the floor of the upper floor and one side wall, and the frame unit is fixed to the floor of the middle part of the straight staircase unit and the floor of the lower floor and one side wall, and the partition wall unit Is fixed to the side surface of the straight staircase unit, the side surface of the frame assembly unit and the floor surface of the lower floor, the assembly work is completed, that is, the simplified 5 steps (3 Since the assembly work is performed according to the process, the work period can be shortened.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a partition wall unit in an assembled state of a wooden straight staircase according to the present invention.

FIG. 2 is a schematic perspective view at the time of assembling showing a jig fixed tree and the like in an exploded manner.

FIG. 3 is an enlarged perspective view showing a housed state with the lower floor of the lower part of the straight staircase unit.

FIG. 4 is an enlarged perspective view showing a state in which a jig fixed tree is stored in the upper part of the straight staircase unit.

FIG. 5 is a partially cutaway schematic side view showing an assembled state of the wooden straight staircase according to the present invention.

FIG. 6 is an enlarged vertical sectional side view showing the details of the connection with the lower floor of the lower part of the straight staircase unit.

FIG. 7 is an enlarged vertical cross-sectional side view showing the details of the connection with the upper floor of the upper part of the straight staircase unit.

[Explanation of symbols]

 1 stairs lower end positioning jig fixed wood 2 stairs uppermost positioning jig fixed wood 3 straight stair unit 31 side plate (Sasara girder) 33, 34 step plate 35, 38, 39 riser plate 37 wall adjustment material 4 axis unit 41 horizontal frame Material 43 Vertical frame material 45 Combined girder 5 Partition wall unit 51 Wall panel 52,56 Half-divided material 53 Lamb 55 Small width wall panel 57 Handrail wall panel 111,112 1st floor panel 121,122,123,124 1st floor wall panel 211 2nd floor panel

Claims (5)

[Claims] 1. A wooden straight staircase without a landing, which is fixed to the floor of the lower floor by a jig for determining the lower end of the stairs.
The stairs are positioned so that the lower end is connected to the floor surface of the lower floor, and the floor surface of the lower floor and the floor end of the upper floor are temporarily fixed.
The uppermost stage positioning jig is a wooden straight staircase unit that is positioned by a fixed tree, has its upper end connected to the floor surface of the upper floor , and has a number of stepped plates assembled in parallel between the left and right side plates, and this straight staircase unit. A wooden straight staircase, characterized by comprising a wooden frame unit interposed between the lower middle part and the floor surface of the lower floor. 2. A wooden partition wall unit, one side surface of which is connected to a side plate of the straight staircase unit, interposed between the floor surface of the lower floor and the floor surface of the upper floor. The wooden straight staircase according to claim 1. 3. The wooden straight staircase according to claim 1, wherein the side plate is a sasara girder. 4. The wooden straight staircase according to claim 1, 2 or 3, wherein the wooden straight staircase is installed along a wall surface on one side. 5. A wooden straight staircase unit in which a large number of step plates are assembled in parallel between left and right side plates, a wooden frame unit supporting a midway portion of the straight staircase unit, and a side of the straight staircase unit. A method of installing a wooden straight staircase consisting of a wooden partition wall unit that separates one side along a wall on one side, in which a stair bottom positioning jig fixed tree is temporarily fixed to the floor surface of the lower floor. 1st assembly step, 2nd assembly step of temporarily fixing the uppermost stair positioning jig fixed wood to the floor surface of the lower floor and the floor edge of the upper floor, A third assembling step in which the fixed wood and the uppermost staircase positioning jig are positioned and fixed to the floor surface of the lower floor and the floor surface of the upper floor, and fixed to the wall surface on one side, If the frame unit is fixed below the middle part of the straight staircase unit, And a fourth assembling step of fixing to the floor surface of the lower floor and one side wall surface, fixing the partition wall unit to the side surface of the straight staircase unit and the side surface of the frame unit, and A method of constructing a wooden straight staircase, which comprises a fifth assembling step of fixing to a floor surface.