JP3989077B2 - Staircase - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a wooden staircase in a wooden building such as a wooden house, and more particularly to a staircase having a beautiful appearance and excellent workability.
[0002]
[Prior art and problems to be solved by the invention]
2. Description of the Related Art Conventionally, as a staircase in a wooden building such as a wooden house, a sasara girder staircase configured by mounting a step board and a kick board between a pair of sasara girders having stepped edges is known.
As a construction method of this Sasara girder staircase, after attaching only each step board, a method of attaching a kick board between each step board, or attaching a step board and a kick board sequentially from the top to the bottom However, the conventional staircase has a problem that it takes time and labor to attach the step board and / or the kick board, and the finish is deteriorated.
[0003]
In addition, stairs in conventional wooden buildings are generally completed at a relatively early stage of construction, and various materials such as resin film and plywood are used to prevent damage and dirt during various construction work. However, such a conventional method has a problem that it takes time and effort to remove the curing material, and it is impossible to completely prevent damage and dirt.
[0004]
Therefore, a method has been proposed in which only the corrugated board is attached to make a temporary staircase for work, and in the latter half of the construction work, the original staircase is completed by replacing it with corrugated board decorative material and attaching a kick board. Therefore, according to such a construction method, it is possible to reduce the trouble of removing the curing material and waste of resources.
However, even in such a construction method, it takes time and labor to attach the above-mentioned kick board to the temporary staircase only with the corrugated board, and the step board and the kick board are damaged during the work. There were problems such as sticking.
[0005]
Accordingly, an object of the present invention is to provide a staircase having a beautiful appearance and excellent workability.
[0006]
[Means for Solving the Problems]
According to the first aspect of the present invention, a pair of Sasara girders having a plurality of horizontal step portions on which the end portions of the step plates are placed and fixed and a plurality of vertical portions on which the kick plates are abutted and fixed are opposed to each other. In the staircase in which a step plate is spanned between the horizontal step portions and fixed, and a kick plate is mounted between the front end portion of the upper step plate and the rear end portion of the lower step plate, the above step plates Is mounted and fixed to the horizontal step portion, and the upper end of each kick plate is brought into contact with the lower surface of the front end portion of the upper step plate, the rear surface is brought into contact with the vertical portion, and the lower end portion thereof The front surface is fixed in contact with the rear end surface of the lower step plate, and a guide portion for mounting the kick plate is provided at the lower end portion of the vertical portion. The guide portion and the kick plate Achieving the above objective by providing a staircase characterized in that a space is formed between the back of A.
[0007]
The invention according to claim 2 is characterized in that the guide portion guides the lower end portion of the kick plate to a predetermined fixed position when the kick plate is mounted. The above object is achieved by providing the stairs described in 1.
[0008]
The invention according to claim 3 is characterized in that a distance between an upper end portion of the guide portion and a rear end upper portion of the lower step plate is larger than a thickness of the kick plate. By providing the described staircase, the above object is achieved.
[0009]
Invention of Claim 4 is the construction method of the staircase of Claim 1, Comprising:
A staircase construction method comprising fixing each step board to a pair of the Sasara girders to form a temporary stair for work, and then mounting each kick plate between the fixed step boards. It is to provide.
[0010]
Invention of Claim 5 is the construction method of the staircase of Claim 1, Comprising:
Each kick plate is fixedly integrated on the lower surface of the top end of the upper step plate, and the combination of the kick plate and the upper step plate is placed on the pair of opposed sasara girders from below. The construction method of the staircase characterized by attaching sequentially toward is provided.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, one embodiment of the staircase of the present invention will be described with reference to FIGS. Here, FIG. 1 is a cross-sectional view schematically showing the staircase of the present embodiment, FIG. 2 is a cross-sectional view showing an enlarged part of the staircase of FIG. 1, and FIG. 3 is the staircase of FIG. FIG. 4 and FIG. 5 are explanatory views for explaining the construction method of the staircase in FIG. 1.
[0012]
As shown in FIGS. 1 and 2, the staircase of this embodiment includes a plurality of horizontal stepped portions 3 a on which end portions of the step plate 1 are placed and fixed, and a plurality of vertical steps on which the kick plate 2 is fixed in contact. A step plate 1 is stretched between and fixed to a horizontal step portion 3a facing each other in a pair of Sasara girders 3 (only one is shown) having a portion 3b, and as shown in FIG. A staircase in which a kick plate 2 is mounted between a front end portion and a rear end portion of the lower step plate 1B, and each step plate 1 is placed and fixed on the horizontal step portion 3a. The insert plate 2 has an upper end 2a in contact with the lower surface of the tip of the upper step plate 1A, a back surface 2b in contact with the vertical portion 3b, and a lower end front surface 2c in the rear of the lower step plate 1B. A guide portion 4 for guiding the mounting of the kick plate 2 to the lower end portion of the vertical portion 3b. Provided, the space S is formed between the back of the guide inside 4 and the riser plate 2.
[0013]
Each of the sasara girders 3 has a stepped upper edge portion in which a horizontal step portion 3a for placing and fixing the step plate 1 and a vertical portion 3b for abutting and fixing the kick plate 2 are alternately arranged. The edge has an inclined linear shape.
In the staircase of the present embodiment, such a pair of Sasara girders 3 (only one is shown) is disposed so as to face each other, and a step plate is disposed between the horizontal stepped parts 3a facing each other in the pair of Sasara girders. 1 is hung and fixed, and the kick plate 2 is mounted between the front end portion of the upper step plate and the rear end portion of the lower step plate so as to be hung between the opposing vertical portions 3b. .
Such a configuration in the staircase of the present embodiment is the same as that in the conventional Sasara girder staircase. In addition, although not shown in figure, each sasara girder 3 is surface-fixed by fixing tools, such as a screw and a nail, on the plaster board fixed to structural materials, such as a pillar and a stud.
[0014]
Thus, each step plate 1 has its both end portions mounted and fixed on the horizontal step portion 3a. That is, the end portion of each step plate 1 placed on the horizontal step portion 3a is fixed to the horizontal step portion 3a by hitting screws, nails or the like from above. Further, as shown in FIG. 3, each step plate 1 is fixed so that the rear end face 11 is positioned forward of the position P of the vertical portion 3b by the thickness of the kick plate 2. Further, as shown in FIG. 2, a groove 12 is formed on the lower surface of the tip of each step plate 1, and an upper end 2 a of a kick plate 2 to be described later is fitted into the groove 12. Yes.
[0015]
As shown in FIG. 2, each of the kick plates 2 has an upper end 2 a that is in contact with the lower surface of the front end portion of the upper step plate 1 </ b> A, and a back surface 2 b that is in contact with the vertical portion 3 b of the sasara girder 3. And the lower end front surface 2c is spanned and fixed between a pair of sasara girders 3 in a state of being in contact with the rear end surface of the lower step plate 1B. The upper step plate 1A is the step plate 1 disposed on the upper side of each kick plate 2, and the lower step plate 1B is on the lower side of the individual kick plate 2. It is the corrugated board 1 arrange | positioned.
[0016]
Each of the sasara girders 3 is mounted at the lower end of each of the vertical portions 3b so that the lower end of each of the kick plates 2 can be smoothly inserted into the rear of the lower step plate 1B fixed to the horizontal step portion 3a. It has a guide part 4 for guidance.
As shown in FIG. 2, each guide portion 4 is notched at the lower end portion of the vertical portion 3 b, and has a vertical edge portion 41 formed parallel to the vertical line L and an angle α with respect to the vertical line L. Is an inclined edge portion 42 having an angle of 30 to 90 degrees, preferably 45 to 60 degrees. In the state where the lower step plate 1B is attached by the guide portion 4, as shown in FIG. 3, it is between the upper end portion 42a of the inclined edge portion 42 and the rear end upper portion 11a of the lower step plate 1B. A gap D having a width larger than the thickness of the kick plate 2 is formed in the gap, and when the kick plate 2 is mounted, a predetermined space is provided between the guide portion 4 and the back surface 2b of the kick plate 2. S is formed.
[0017]
An example of the construction method of the staircase of this form is demonstrated below. In addition, the construction method of this staircase is one Embodiment of the construction method of the staircase of Claim 4 of this invention.
First, a pair of sasara girders 3, each corrugated board 1, and each kick board 2 are pre-cut, and necessary baseboards 5 are prepared. And a plaster boat is fixed to the pillar arrange | positioned supposing the wall surface of the both sides of stairs, and the wall surface which fixes the said sasara girder 3 is formed.
Next, the pair of Sasara girders 3 are fixed to each other on the plaster boat so as to face each other, and each pair of Sasara girders 3 is arranged between the opposing horizontal step portions 3a of the pair of Sasara girders 3 arranged to face each other. The plate 1 is stretched and fixed.
The staircase of the present embodiment can be safely used as a temporary staircase for work in a state where each step plate 1 is placed and fixed between a pair of sasara girders 3, that is, as shown in FIG.
[0018]
Then, for example, in the second half of the construction work, as shown in FIG. 4, the kick plates 2 are sequentially mounted and fixed from below. At this time, the lower end portion of each kick plate 2 is fastened to the rear end surface of each step plate 1 by a nail, a screw or the like. Then, the baseboard 5 is mounted on the end portions of the step plates 1 and the end portions of the kick plates 2 fixed to the pair of sasara girders 3 in this way. The baseboard 5 covers and hides a fixing tool such as a nail used to fix each of the step boards 1. In this way, the staircase of this embodiment is completed with a beautiful appearance. In addition, a corrugated board decorative board is provided on each said corrugated board 1 as needed, and another finishing process is performed.
[0019]
According to this staircase construction method, the lower end portion of each kick plate 2 can be easily inserted to the rear of the lower step plate 1B by the guide portion 4, and the lower end portion of the kick plate 2 is further illustrated by the guide portion 4. Since it is guided to a predetermined fixed position shown in FIG. 2, the mounting of each kick plate 2 is extremely simple and the construction time is shortened.
[0020]
Next, another construction method of the staircase of this embodiment will be described below. In addition, the construction method of this staircase is one Embodiment of the construction method of the staircase of Claim 5 of this invention.
In the same manner as the above staircase construction method, a pair of sasara girders 3, each step board 1, and each kick board 2 are pre-cut, and necessary baseboards 5 are prepared. Also, plaster boats are fixed to columns and studs arranged assuming the wall surfaces on both sides of the stairs, and the wall surfaces for fixing the sasara girder 3 are formed on both sides of the space forming the stairs. Next, the pair of Sasara girders 3 are fixedly face-to-face on the plaster boat so as to face each other.
[0021]
In the construction method of this staircase, as shown in FIG. 5, the upper end of each kick plate 2 is fitted and fixed in the groove 12 formed on the lower surface of the front end of the corresponding upper step plate 1A, A structure in which the kick plate 2 and the upper step plate 1A are integrated is prepared.
Then, each of the integrated pieces 6 of the kick plate 2 and the upper step plate 1A is sequentially attached to the pair of facing Sasara girders 3 (only one is shown) from the bottom to the top. At the time of mounting, both end portions of each step plate 1 are fixed to the horizontal step portion 3a with a nail, a screw or the like, and the lower end portion of each kick plate 2 is fixed to the rear end surface of each step plate 1 with a nail, a screw or the like. Fasten to 11.
Then, as in the construction method described above, a baseboard is mounted and fixed, and a corrugated board decorative board is provided on each corrugated board 1 as necessary, and other finishing processes are performed.
[0022]
According to this staircase construction method, the lower end portion of each kick plate 2 can be easily inserted behind the already fixed lower step plate 1B by the guide portion 4, and the guide portion 4 Since the lower end is guided to the predetermined fixed position shown in FIG. 2, it is very easy to attach the integrated member 6 of the kick plate 2 and the upper step plate 1A.
Moreover, since the step board 1 and the kick board 2 are attached sequentially from the lower stage, work efficiency is good and it is also safe. In addition, it can be thoroughly cured in the factory beforehand. In addition, although it is preferable to integrate the said kick board 2 and the said upper step board 1A in a factory etc., you may carry out by field work. Alternatively, a temporary step plate may be provided and used as a temporary work staircase, and the temporary step plate may be removed and replaced during finishing.
[0023]
According to the staircase of the present embodiment, since the guide portions 4 are provided in each of the pair of the sasara girders 3, after being used as a temporary staircase for work in a state where only the step plates 1 are fixed, they are fixed. Further, it is possible to easily and quickly mount the kick plate 2 between the step plates 1 to complete the staircase with a beautiful appearance.
Moreover, it is also possible to install the respective kick plates 2 and the upper step board 1A which are integrated sequentially from the lower side, thereby improving work efficiency and safety, and thus shortening the construction time. it can.
Moreover, since the said guide part 4 is provided when mounting | wearing with each kick board 2, or the integrated object 6 of the kick board 2 and the upper step board 1A, the lower end part of the kick board 2 and the step board 1 are provided. Are prevented from coming into close contact with each other, and scratches and dirt on the kick plate 2 and the step plate 1 are prevented. Therefore, it becomes a staircase with a beautiful appearance.
[0024]
Further, in the state where only the step plate is fixed by the guide portion 4, that is, the state before the kick plate 2 is mounted, the rear end upper portion of the step plate 1 fixed to the upper end portion of the guide portion 4 A gap D having a width greater than the thickness of the kick plate 2 is formed between the kick plate 2 and the integrated member 6 of the kick plate 2 or the kick plate 2 and the upper step plate 1A. Furthermore, it can be performed smoothly.
[0025]
As mentioned above, although embodiment of the staircase and its construction method of this invention was described, this invention is not restrict | limited to the said embodiment, In the range which does not deviate from the meaning of this invention, it can change suitably. For example, the staircase of the present invention may be in any form such as a straight staircase without a landing, a straight staircase with a landing, a turn-up staircase, and a turning staircase.
Moreover, the said sasara girder 3 may consist of one member, and may be formed by connecting a plurality of members so that the end portions are continuous. One sasara girder 3 may be disposed on one wall surface, or may be disposed so as to straddle a plurality of wall surfaces.
[0026]
The guide 4 is not limited to the vertical edge 41 and the inclined edge 42, but has an arcuate edge above the vertical edge 41, and the entire arc has an arc shape. Any shape can be used as long as it can improve the mounting property of the kick plate 2 such as a formed one. Furthermore, other materials for forming the members, dimensions, etc., as well as processing for improving the strength and mounting properties applied to each member, may be changed as appropriate without departing from the spirit of the present invention. Needless to say, you can.
[0027]
【The invention's effect】
According to the present invention, it is possible to provide a staircase having a beautiful appearance and excellent workability and a construction method thereof.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view schematically showing one embodiment of a staircase of the present invention.
FIG. 2 is an enlarged cross-sectional view showing a part of the staircase of FIG. 1;
FIG. 3 is a cross-sectional view showing a state in which only the step plate in the staircase of FIG. 1 is fixed.
4 is an explanatory diagram for explaining an example of a construction method for the stairs in FIG. 1; FIG.
FIG. 5 is an explanatory diagram for explaining another example of the construction method of the staircase of FIG. 1;
[Explanation of symbols]
1 Step plate 11 Rear end surface 1A Upper step plate 1B Lower step plate 2 Kick plate 2b Back surface 3 Sasara girder 3a Horizontal step portion 3b Vertical portion 4 Guide portion 41 Vertical edge portion 42 Inclined edge portion 5 Skirting board 6 Upper plate and upper portion Integrated with corrugated board

Claims (5)

A step plate is disposed between the opposed horizontal step portions of a pair of sasalar girders having a plurality of horizontal step portions on which the end portions of the step plate are placed and fixed and a plurality of vertical portions on which the kick plate is abutted and fixed. In a staircase that is stretched over and fixed, and a kick plate is mounted between the front end portion of the upper step plate and the rear end portion of the lower step plate,
Each of the step plates is placed and fixed on the horizontal step portion,
Each kick board has its upper end in contact with the lower surface of the front end of the upper step plate, its rear surface in contact with the vertical portion, and its front surface in the lower end portion in contact with the rear end surface of the lower step plate. Has been fixed,
A staircase, characterized in that a guide portion for mounting guide of the kick plate is provided at a lower end portion of the vertical portion, and a space is formed between the guide portion and the back surface of the kick plate. The staircase according to claim 1, wherein the guide portion is configured to guide a lower end portion of the kick plate to a predetermined fixed position when the kick plate is mounted. The staircase according to claim 1, wherein a distance between an upper end portion of the guide portion and a rear end upper portion of the lower step plate is larger than a thickness of the kick plate. A construction method for a stair according to claim 1,
A staircase construction method comprising fixing each step board to a pair of Sasara girders to form a temporary stair for work, and then mounting each kick plate between the fixed step boards. A construction method for a stair according to claim 1,
Each kick plate is fixedly integrated on the lower surface of the top end of the upper step plate, and the combination of the kick plate and the upper step plate is placed on the pair of opposed sasara girders from below. A method for constructing stairs, which is characterized by being attached in sequence.

Images