JPH0648025Y2 - Staircase structure - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a side plate with which a side end portion of a decorative frame for making up a staircase step plate and a sink plate abuts, and a groove is provided at a portion where a lower piece of the decorative frame is located. By sticking a decorative sheet having a non-adhesive portion in the groove,
The present invention relates to a staircase structure that can prevent appearance of a decorative sheet, such as a wrinkle, and a wrinkle that accompany the movement of a decorative frame due to a load, and can improve the appearance.

[0002]

2. Description of the Related Art For example, as shown in FIG. 6, a descent edge c which is a front edge of a step plate b of a stair a, and an upper end portion d1 of a shingled plate d hanging from the lower surface of the step plate b are made of aluminum or the like. There are many cases where makeup is performed using a makeup frame e formed by using. Conventionally, such a decorative frame e has been bridged between the sasara girders f, f by being fixed to the inward surface f1 of the sasara girder f with a nail fitting or the like.

On the inwardly facing surface f1 of the sasara girder f, a sheet material g made of, for example, vinyl chloride resin as a raw material from the upper surface of the step plate b to the lower surface of the lower step plate b1 is attached. The inward surface f1 is finished.

[0004]

However, in such a conventional one, when the stairs a go up and down, the decorative frame e moves up and down, and with this movement, the sheet material g is pulled, The sheet material g often suffers damage such as scoring, creases, or tears, and peeling from the sarus girder f, which often impairs the appearance.

Further, it is desirable for the external appearance that the sheet material g is attached as far as possible from the outside, so that the above-mentioned problem does not occur without breaking the sheet material under the decorative frame e. There has been a demand for the emergence of a structure that can solve the problem.

According to the present invention, a groove extending forward and backward is provided on the inwardly facing surface of the side plate with which the side end of the base frame of the decorative frame abuts and on the portion where the lower piece of the base frame is located. Basically, it has a non-adhesive part to attach a decorative sheet, and even if the decorative frame moves up and down, it is possible to prevent the decorative sheet from striking, creasing, tearing, peeling, etc. The purpose is to provide a staircase structure that can be improved.

[0007]

SUMMARY OF THE INVENTION According to the present invention, a descent edge of a step plate of a staircase and an upper end portion of a batten plate which hangs down the step plate and at a position apart from the descent edge rearward are made up and smoothed. A staircase structure of stairs having a decorative frame installed between girders,
The decorative frame includes a hanging piece that fits into a groove provided on the upper surface of the step plate and near a descending edge, and an upper piece that aligns with the upper surface of the step plate by fitting the hanging piece into the groove. A core member is fixed to the inner surface of the main portion of the base frame that has a main portion that hangs from the front end of the upper piece, and a lower piece that can be bent backward at the lower end of the main portion and whose rear end can abut the inset plate. And, the side end portion of the base frame abuts on the inward surface of the vertically long rectangular side plate fixed to the sasara girder, and the front and rear sides of the inward surface of the side plate and the portion where the lower piece of the base frame is located. The extending groove is provided, and the decorative sheet is adhered to the side plate with the groove having a non-adhesive portion, and the scooping plate is located at the rear edge of the side plate.

[0008]

[Function] The decorative frame includes a hanging piece that fits into a groove provided on the upper surface of the step plate and near the descending edge, and an upper piece that aligns with the upper surface of the step plate.
A base frame having a main portion that hangs from the front end of the upper piece and a lower piece that can be bent at the lower end of the main portion and whose rear end can abut against the shingling plate.
Therefore, the decorative frame can be arranged in the vicinity of the lower edge of the step plate with good fit, and the upper end of the mounting plate is shielded, so that the appearance of the stairs can be improved.

Further, the side end portion of the base frame abuts on the inward surface of the side plate fixed to the sasara girder, and a groove portion extending back and forth is provided at a portion where the inward surface and the lower piece of the base frame are located. A decorative sheet having a non-adhesive portion in the groove is attached to the side plate. Therefore, even when the decorative frame moves up and down when going up and down the stairs, the non-adhesive part of the decorative sheet in the groove provided in the part where the lower piece is located expands and contracts. This makes it possible to absorb the movement of the decorative frame, prevent damages such as punching, creases, and tears caused by pulling the decorative sheet, and prevent misalignment of the decorative sheet, thereby improving the appearance.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In the figure, in the staircase structure of the present invention, the step plate 2 and the streak plate 3 forming the staircase A are made up by a pair of sasara girders 5, 5 and a makeup frame 4 is installed between the sasara girders 5. The side plate 6 with which the side end of the decorative frame 4 abuts is fixed.

As shown in FIG. 4, the sasara girder 5 is provided with an inclined portion 20 having a staircase inclination in this example, and is formed, for example, by attaching a decorative sheet to the front and back of plywood. Above the Sasara girder 5, there is a handrail 2
A handrail 22 is provided through the rails 1.

Between the pair of sasara girders 5 and 5, a step plate 2 is provided.
... and the sinker plate 3 are sequentially arranged. The step plate 2 and the shovel plate 3 are the side plate 6 fixed to the facing inward surfaces 5A of the sasara girder 5, the side plate 23 fixed to the rear of the side plate 6, that is, the right side in FIG. And, it is supported by a receiving beam 25 which is bridged between the sasara girders 5, 5.

The side plate 6 is a vertically long rectangular base having a height L approximately equal to the lifted height of the stairs A, in this example, a height L of about 190 mm, and is made of, for example, plywood, and its upper end surface 6a is horizontal. Then, it is fixed in a stepwise manner to the inwardly facing surface 5A of the sasara girder 5 by nailing or the like. On the inwardly facing surface 6A of the side plate 6, the width 1 is provided at a position approximately 1/5 of the height L from the upper end.
Grooves M extending 2 mm to 16 mm and 0.4 to 0.6 mm deep and having both ends open on both side surfaces of the side plate 6 are engraved.

Further, on the inwardly facing surface 6A of the side plate 6, in this example, a vertically long rectangular resin, for example, a vinyl chloride resin whose upper edge is located between the upper end of the side plate 6 and the groove M and whose lower edge reaches the lower end of the side plate 6. The decorative sheet 9 using is attached vertically. Therefore, the decorative sheet 9 has a non-adhesive portion 10 that is not fixed to the side plate 6 in the groove M, and in the present example, the inward facing surface 6 is formed.
The non-sticking part 30 to which the decorative sheet 9 is not stuck is provided on the upper part of A.

As shown in FIGS. 1 and 4, the rear side plate 23 is made of trapezoidal plywood, and its upper end surface 23a is
The front side surface 23b, which is horizontally aligned with the upper end surface 6a of the side plate 6 and is vertical, is separated from the rear side surface 6b of the side plate 6 by a length substantially equal to the width N of the indentation plate 3 and faces inwardly of the sarus girder 5. Surface 5
It is fixed to A by nailing or the like. The vertical rear side surface 23c of the rear side plate 23 is located in the vertical plane at the center of the upper side plate 6U in the horizontal direction, and the distance between the upper end surface 23a and the lower end surface 6c of the upper side plate 6U is , And is set to be substantially equal to the thickness H of the step plate 2.

Further, the receiving beam 25 is made of a wood material having a rectangular cross section in this example, and its upper surface 25a is aligned with the upper end surface 23a of the rear side plate 23 so as to be perpendicular and horizontal between the sasara girders 5, 5. Erected in.

The step plate 2 and the barbed plate 3 are attached to the side plate 6, the rear side plate 23, and the receiving beam 25 which are fixed to the sasara girder 5 in this manner.

The shingling plate 3 is composed of, for example, a horizontally long rectangular plate body made by applying a decorative sheet to the front surface of plywood, and the lower end surface 3b thereof is placed on the upper surface 25a of the receiving beam 25 and the rear side surface of the side plate 6. 6b and the front side surface 23b of the rear side plate 23, the side end is raised and vertically bridged between the sasara girders 5, 5. As a result, the scooping plate 3 is located at the rear edge of the side plate 6, and the scooping plate 3 is shuffled so that the upper end surface 3a of the scooping plate 3 is aligned with the upper end surfaces 6a, 23a of the side plate 6 and the rear side plate 23. The height of the plate 3 is set.

The step plate 2 is, for example, a horizontally long rectangular plate body in which a decorative sheet is attached to the upper surface of plywood, and the vertical downward edge 2a in the downward direction of the stairs A is connected to the front side surface 6c of the side plate 6.
The lower surface side end portion is placed on the upper end surfaces 6a, 3a, 23a of the side plate 6, the shroud plate 3, and the rear side plate 23 while being located in the vicinity, and further, the upper surface 25a of the receiving beam 25 is reached. The rear end portion that abuts against the front surface of the sliding plate 3U is fixed to the receiving beam 25 by nailing, and thus is horizontally installed between the sasara girders 5 and 5.

In the vicinity of the descending edge 2a of the step plate 2, a groove 1 is formed on the upper surface of which a decorative frame 4 is fitted in parallel with the descending edge 2a.
The upper surface 2A extending from the groove 12 to the descending edge 2a is lower than the upper surface 2B extending from the groove 12 later. As shown in FIGS. 2 and 3, the groove 12 terminates at a position where the thickness G of the side plate 6 is cut off from the side edge of the step plate 2 that abuts on the sasara girder 5.

Further, the descending edge 2a of the step plate 2 and the upper end portion 3A of the sinker plate 3 which hangs down from the step plate 2 and at a position rearward from the descending edge 2a are made up by the makeup frame 4. .

The decorative frame 4 is a groove 12 provided on the step plate 2.
A hanging piece 13 fitted to the upper piece 14, an upper piece 14 which is bent from the upper end of the hanging piece 13 to the front surface 2B of the step plate 2, and a horizontally long rectangular main portion 15 hanging from the front end of the upper piece 14. It is composed of a base frame 17 having a lower piece 16 which is bent rearward at the lower end of the main portion 15 and abuts against the front surface of the shroud 3, and a core material 19 having a rectangular cross section fixed to the inner surface of the main portion 15.

The hanging piece 13 of the base frame 17 is the groove 1
2 and the lower surface of the upper piece 14 descends from the groove 12
By contacting the upper surface 2A of the step plate 2 which reaches a, the upper piece 14 is aligned with the upper surface 2B extending from the groove 12 of the step plate 2 later.

The end portion of the base frame 17 on the main portion 15 side is brought into contact with the inwardly facing surface 6A of the side plate 6, and the side end of the core member 19 is attached to the non-sticking portion 30 of the inwardly facing surface 6A. The decorative frame 4 is erected between the sassar girders 5 and 5 by covering the lower edge 2a of the step plate 2 and the upper end 3A of the shingling plate 3 by nailing.

Further, the main portion 15 of the base frame 17 is the lower piece 1
The height 6 is set such that 6 extends horizontally at the position of the groove M provided on the side plate 6. Therefore, the movement of the lower piece 16 of the decorative frame 4 caused by going up and down the stairs A can be absorbed by expanding and contracting the non-adhesive portion 10 in the groove M, so that the decorative sheet 9 can be punched, creased, It is possible to prevent the occurrence of misalignment. Further, in this example, since the core material 19 is fixed to the non-adhered portion 30 of the side plate 6 to which the decorative sheet 9 is not adhered, damage such as laceration of the decorative sheet 9 due to the movement of the core material 19 is prevented. This can be eliminated, and in addition to the provision of the non-adhesive portion 10, the occurrence of positional deviation of the decorative sheet 9 can be more reliably prevented.

The core material 19 also functions as a receiving beam for receiving the lower surface of the step plate 2 and makes the step plate 2 mounted more firmly. The recess 32 formed by the end of the decorative frame 4 on the side of the base frame 17 and the upper end surface 6a of the side plate 6 is filled with mortar or the like and finished.

The decorative sheet 9 may be adhered to the entire surface of the side plate 6 without the non-adhesive portion 30 on the inward surface 6A. Further, the staircase structure of the present invention can be applied to the bent staircase B as shown in FIG.

[0028]

As described above, according to the staircase structure of the present invention, the side edge of the decorative frame that makes up the descending edge of the step plate and the upper end of the shingle is brought into contact with the side plate fixed to the sasara girder. While straddling between the sasara girders, a groove portion is provided on the inward surface of the side plate and a portion where the lower piece of the decorative frame is located, and a decorative sheet having a non-adhesive portion at the groove portion is attached to the side plate. There is. Therefore, the decorative sheet can absorb the vibration of the lower piece due to the movement of the decorative frame by expanding and contracting in the non-adhesive portion, and can effectively prevent the positional deviation and breakage of the decorative sheet.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is a front view thereof.

FIG. 3 is a perspective view showing a main part thereof.

FIG. 4 is an exploded perspective view showing an embodiment of the present invention.

FIG. 5 is a perspective view showing a bending staircase in which the present invention may be adopted.

FIG. 6 is a perspective view showing a conventional technique.

[Explanation of reference signs] 2 step plate 2a descending edge of step plate 3 bar plate 3A upper end part of bar plate 4 decorative frame 5 sasara girder 6 side plate 6A inward surface of side plate 9 decorative sheet 10 non-adhesive part 12 groove 13 Hanging piece 14 Upper piece 15 Main part 16 Lower piece 17 Base frame 19 Core material A Stairs M Side plate groove

Claims (1)

[Scope of utility model registration request] 1. A make-up frame for applying a downward edge of a step plate of a staircase and an upper end portion of a batten plate which hangs the lower surface of the step plate and a downward edge of the step plate at a position apart from the rear side and is installed between the sasara girders. In the staircase structure of stairs, the decorative frame includes a hanging piece that fits in a groove provided on the upper surface of the step board and near a descending edge, and the step by fitting the hanging piece into the groove. The main body of the base frame having an upper piece aligned with the upper surface of the plate, a main portion that hangs from the front end of the upper piece, and a lower piece that can be bent rearward at the lower end of the main portion and whose rear end can abut against the shank plate. A core member is fixed to the inner surface of the portion, and the side end portion of the base frame abuts the inward surface of the vertically long rectangular side plate fixed to the sasara girder, and the inward surface of the side plate and the base frame. A groove portion extending back and forth is provided in the portion where the lower piece is located, and moreover, the side plate has a non-adhesive portion in the groove portion so that the makeup sheet With adhering the, the riser plate, step structure made by positioning the trailing edge of the side plate.