JP3301689B2 - Footboard fixing structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a step board fixing structure used for stairs.

[0002]

2. Description of the Related Art Conventionally, a step plate used for forming a stair has been fixed by a wedge. As shown in FIG. 3 , the step board 3 has an end inserted into the bottom of the step board insertion recess 2 formed in the side plate 1, and the step board insertion recess 2 is positioned below the step board 3. The wedge 4 'is arranged so that the wedge 4' is fitted therein. Finally, the nail a is driven into the side plate 1 from the wedge 4 ′ side, and the nail b is driven into the tread plate 3 from the outer surface of the side plate 1, whereby the tread plate 3 is The step plate 3 and the wedge 4 ′ are fixed with their ends held in the step plate insertion recess 2.

[0003]

However, in the above-described conventional example, when nails a and b are used, the driving direction of each of the nails a and b is determined on both sides of the inner side and the outer side of the side plate 1. , And it takes time and effort to drive the nails a and b, and there is a problem that it takes time to attach the tread plate 3. Further, the end of the tread plate 3 is inserted into the tread insertion recess 2 by the wedge 4 '.
However, since the step plate 3 and the wedge 4 'are not connected to each other by nails, there is a problem that the step plate 3 is easily wobble.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, and it is possible to drive a plurality of nails from one direction, to easily perform a mounting operation using nails, and to provide a step board and a wedge. Are connected to each other to provide a tread plate fixing structure capable of securely mounting the tread plate.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, the end of the step board 3 is inserted and arranged in a step board insertion recess 2 which is recessed in the side plate 1, and the outer surface is a step board. A wedge 4 is disposed in the step plate insertion recess 2 so as to contact the lower surface of the step plate 3 and the lower surface of the step plate insertion recess 2.
The wedge 4 is fixed by a first fixed nail 5 driven into the side and a second fixed nail 6 driven into the tread plate 3 from the wedge 4 side , and the second fixing is performed.
The nailing portion 8 into which the nail 6 is to be driven extends along the longitudinal direction.
The nails 5 and 6 can be driven from one direction, and the mounting operation using the nails 5 and 6 can be easily performed. footboard 3 and the wedge 4 can be performed reliably mounting treads 3 linked to each other, and the second solid wedge 4
The nailing portion 8 into which the fixed nail 6 is driven is located in the longitudinal direction.
Along the same thickness, so as the second fixed nail 6
Using the same length dimensions, nailing part 8 to tread plate 3
Can be fixed.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A staircase is provided between a pair of oppositely arranged side plates 1 in a horizontal state and between a pair of upper and lower steps 3 and between a pair of upper and lower steps 3 in a vertical state. The main body is constituted by the riser plate 12 to be erected.

[0007] A step board insertion recess 2 is formed in an inner side surface facing each side plate 1, and an end of a step board 3 is inserted and arranged in the step board insertion recess 2. In FIG. 1 (b), the width of the tread insertion recess 2 is larger at the rear part on the right side of the drawing than at the front part on the left side of the drawing, and the width of the lower part becomes wider toward the rear part. That is, the end of the tread plate 3 is inserted and arranged above the tread insertion recess 2, and the wedge 4 is inserted and placed in a wedge margin 2 a formed at a lower portion in the tread insertion recess 2 so as to be located on the lower surface side of the tread plate 3. Is to be done.

FIGS. 1 and 2 show an example of a wedge 4. In this embodiment, an insertion portion 7 to be inserted into the wedge allowance 2a is integrally provided at one end of an upper portion of a side plate fixing portion 9. the nailing unit 8 fixed to the lower surface of the tread plate 3 to the other end of the upper portion of the side plate fixing portion 9 are made form integrally provided. This
In this, it spigot 7 is tapered gradually thickness along the longitudinal direction becomes large, nailing unit 8
Have the same thickness along the longitudinal direction.

The side plate fixing portion 9 is provided with through holes 11 for inserting nails at predetermined intervals along the longitudinal direction.
Further, through holes 11 for inserting nails at predetermined intervals along the longitudinal direction are also formed in the insertion portion 7 and the nailing portion 8.

The wedge 4 has an insertion portion 7 inserted into the wedge allowance 2a, a side plate fixing portion 9 arranged along the inner surface of the side plate 1, and a second fixing nail 6 from the nailing portion 8 toward the lower surface of the tread plate 3. Is fixed to the side plate 1 by driving the first fixing nail 5 from the side plate fixing portion 9 toward the side plate 1 and is connected and fixed to the tread plate 3.

When the wedge 4 is installed on the lower surface of the step board 3, the driving operation of the first fixed nail 5 and the second fixed nail 6 can be performed from one side inside the side plate 1. The work of attaching the wedge 4 using the plurality of nails 5 and 6 can be easily performed without trouble. In addition, the second fixed nail 6 is driven as described above.
The nailing part 8 becomes the same thickness along the longitudinal direction.
To eliminate the need for right and left
Although it cannot be achieved, the same length as the second fixed nail 6
Step on the nailing part 8 along the longitudinal direction using
It is what can you to fixed to look at the plate 3.

[0012]

According to the first aspect of the present invention, as described above, the end of the tread is inserted into the tread insertion recess formed in the side plate, and the outer surface is in contact with the lower surface of the tread and the lower surface of the tread insertion recess. As described above, the wedge is arranged in the tread insertion recess, and the wedge is fixed by the first fixed nail driven from the wedge to the side plate and the second fixed nail driven from the wedge to the tread side. It is possible to drive a plurality of nails from one direction, so that the mounting operation using the nails can be easily performed , and the footboard and the wedge are interconnected by the second fixing nail to securely mount the footboard. Is what you can do. Also,
2 The nailing part into which the fixed nail is driven is in the longitudinal direction
In addition, the thickness is the same along the
Use the same fixed length nail as the second fixed nail
The hitting part can be fixed to the tread along the longitudinal direction.
Things.

[Brief description of the drawings]

[1] shows one example of the present invention, (a) is a stepping
FIG. 4 is a front cross-sectional view in which a portion near a front end of the plate is omitted, and FIG.

FIG. 2 is a view showing a wedge used in the same as the above (a).
Is a plan view, (b) is a front view, (c) is a left side view of (b), and (d) is a right side view of (b).

FIG. 3 shows a conventional example, in which (a) is partially omitted.
(B) is a side sectional view in which a wedge is omitted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Side plate 2 Tread insertion recess 3 Tread 4 Wedge 5 First fixed nail 6 Second fixed nail 7 Insertion part 8 Nail driving part

Claims (1)

(57) [Claims] An end of a tread is inserted into a tread insertion recess formed in a side plate, and a wedge is provided in the tread insertion recess such that an outer surface thereof is in contact with a lower surface of the tread and the lower surface of the tread insertion recess. A first fixing nail driven into the side plate from the wedge side,
Fix the wedge with the second fixing nail driven into the tread side from the wedge side
The nailing portion into which the second fixed nail is driven is long
A tread plate fixing structure characterized by having the same thickness along the direction .