JP7019142B2 - Construction method of tread fixing member and stairs - Google Patents

Description

The present invention relates to a member to which a decorative tread of a staircase is fixedly supported and a method of constructing a staircase using the member.

The decorative tread of the stairs is generally placed and fixed so as to be horizontally supported by the main body of the stairs. For example, the decorative tread disclosed in Patent Document 1 is placed and fixed on a tread base material horizontally supported by a mortar portion of a staircase body.

Japanese Unexamined Patent Publication No. 2001-3532

From the viewpoint of improving the appearance of the stairs, the decorative treads of the stairs may be washed out and finished after being placed and fixed on the base material of the stairs body with the nose protruding from the tread surface.

However, when the decorative tread is installed on the main body of the stairs with the nose protruding from the tread, it is necessary to consider maintaining the strength of the decorative tread. Therefore, the choice of decorative tread specifications (for example, thickness and material) applied to the stairs is narrowed, and the design of the stairs must be compromised.

Further, in order to stably support the decorative tread in the main body of the stairs, it is necessary to interpose a relatively thick base material such as the tread base material of Patent Document 1 in advance, which requires labor and cost for construction.

In view of the above circumstances, it is an object of the present invention to improve the design and strength of the stair nose and the decorative tread, as well as the workability of the stairs.

Therefore, one aspect of the present invention is a tread fixing member that fixes and supports the decorative tread on the base of the stairs, and while being embedded in the base of the stairs, the nose of the decorative tread protrudes from the rising portion of the stairs. It is provided with a plate-shaped support portion to which the decorative tread is fixedly supported in the state.

In one aspect of the present invention, a plate-shaped nose portion that is vertically arranged in the vertical direction of the support portion is provided at the end portion of the support portion on the nose side.

In one aspect of the present invention, a plate-shaped nose portion that is vertically arranged downward is provided at the end portion of the support portion on the nose side.

In one aspect of the present invention, a stepped nose decorative plate is arranged on the stepped nose.

In one aspect of the present invention, the lower surface of the support portion is provided with an angle member arranged so as to face the rising portion of the stairs.

In one aspect of the present invention, an anchor member embedded in the base of the stairs is provided on the lower surface of the support portion.

In one aspect of the present invention, the anchor member has a rod shape and is inclined with respect to the lower surface of the support portion.

In one aspect of the present invention, a luminaire can be attached to the lower surface of the support portion on the nose side.

One aspect of the present invention is a method of constructing a staircase, in which the decorative tread is adhered and fixed to the stair base and the support portion of the tread fixing member after the above-mentioned tread fixing member is fixed to the stair base.

According to the above invention, it is possible to improve the design and strength of the stair nose and the decorative tread, as well as the workability of the stairs.

(A) is a perspective view of the tread fixing member according to the first embodiment of the present invention, and (b) is a cross-sectional view explaining the construction state of the tread fixing member. (A) is an explanatory view of the staircase construction procedure (S11) of the first embodiment, and (b) is a cross-sectional view explaining the construction situation. (A) is an explanatory view of the staircase construction procedure (S12) of the first embodiment, and (b) is a cross-sectional view explaining the construction situation. (A) is an explanatory view of the staircase construction procedure (S13) of the first embodiment, and (b) is a cross-sectional view explaining the construction situation. (A) is an explanatory view of the staircase construction procedure (S14) of the first embodiment, and (b) is a cross-sectional view explaining the construction situation. (A) is a perspective view of the tread fixing member according to the second embodiment of the present invention, and (b) is a cross-sectional view explaining the construction state of the tread fixing member. (A) is an explanatory view of the staircase construction procedure (S21) of the second embodiment, and (b) is a cross-sectional view explaining the construction situation. (A) is an explanatory view of the staircase construction procedure (S22) of the second embodiment, and (b) is a cross-sectional view explaining the construction situation. (A) is an explanatory view of the staircase construction procedure (S23) of the second embodiment, and (b) is a cross-sectional view explaining the construction situation. (A) is an explanatory view of the staircase construction procedure (S24) of the second embodiment, and (b) is a cross-sectional view explaining the construction situation. Explanatory drawing of the installation procedure of the lighting equipment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[First Embodiment]
The tread fixing member 1 of the present embodiment exemplified in FIG. 1 is a tread fixing member for fixing and supporting the decorative tread 3 on the stair base 20 of the stairs 2 exemplified in FIGS. 2 to 5.

As shown in FIG. 1, the tread fixing member 1 is embedded in the stair base 20 of the stairs 2, while the decorative tread 3 is fixedly supported in a state where the nose 31 of the decorative tread 3 protrudes from the rising portion 21. A plate-shaped support portion 10 is provided.

As the decorative tread 3, a well-known decorative tread used for stairs is applied.

The support portion 10 is made of a plate-shaped steel material whose long side is equivalent to the long side of the decorative tread plate 3 and whose short side is shorter than the short side of the decorative tread plate 3. As the steel material, well-known steel materials exemplified as steel, aluminum alloy, stainless steel and the like are applied.

At the end of the support portion 10 on the nose side, a plate-shaped nose portion 11 arranged vertically in the vertical direction of the support portion 10 is provided. The nose portion 11 is made of a well-known steel material having the same specifications as the support portion 10, and is integrally provided with the support portion 10 by welding or the like.

On the lower surface of the support portion 10, an angle member 12 arranged facing the rising portion 21 of the stairs 2 and an anchor member 13 embedded in the stair base 20 are provided.

The angle member 12 is made of a steel plate having a substantially L-shaped cross section made of the same material as the support portion 10. The angle member 12 is provided on the lower surface of the support portion 10 by welding or the like along the longitudinal direction of the support portion 10 in parallel with the nose portion 11.

A plurality of anchor members 13 have a rod shape exemplified by a round bar made of the same material as the support portion 10, and are provided on the lower surface of the support portion 10. That is, the anchor members 13 are arranged in parallel in the longitudinal direction of the support portion 10 at predetermined intervals, and are further inclined downward from the lower surface on one end side of the support portion 10 at an acute angle downward, and are welded to the lower surface of the support portion 10 by welding or the like. It is equipped.

Further, the illuminating tool 4 can be attached to the lower surface of the support portion 10 on the nose portion 11 side. As the illuminator 4, for example, the well-known tape-type LED illuminating shown in FIG. 11 is applied.

The construction procedures S11 to S14 of the stairs 2 of the present embodiment will be described with reference to FIGS. 1 to 5 and 11.

S11: As shown in FIG. 2, the crusher run 23 is laid on the upper surface of the embankment 22 formed in a substantially stepped shape. Next, the block 24 is arranged in the area of the crusher run 23 corresponding to the rising portion 21 of the stairs 2. Further, a kick-up block 25 is arranged on the upper surface of the block 24. As shown in FIG. 3A, the kick-up block 25 is made of a horizontal concrete block, and the upper one side wall portion 251 is cut out in advance to provide an installation space for the anchor member 13 of the tread fixing member 1. It is secured. Then, an L-shaped reinforcing bar 26 for horizontally supporting the wire mesh 27 described later is inserted and arranged in the spaces on both sides of the kick-up block 25.

S12: As shown in FIG. 3, the support portion 10 of the tread plate fixing member 1 is placed on the upper surface of the side wall portion in a state where the angle member 12 of the tread plate fixing member 1 is in contact with the side wall portion of the rise block 25. Will be done. At this time, the anchor member 13 of the tread fixing member 1 is supported by the side wall portion of the kick-up block 25 in which the upper one side wall portion 251 is cut out as shown in FIG. 3 (b). As a result, the tread fixing member 1 is arranged substantially horizontally on the rise block 25. Next, a wire mesh 27 embedded in the concrete layer 28, which will be described later, is laid in the area of the crusher run 23 corresponding to the tread surface of the stairs 2. The wire mesh 27 is supported substantially horizontally by being appropriately bound to the reinforcing bar 26 by a wire.

S13: As shown in FIG. 4, concrete is placed in the region of the wire mesh 27, and the concrete layer 28 is laid with the wire mesh 27 embedded. The concrete layer 28 obtained in this step is constructed so that the upper surface thereof is flush with the upper surface of the support portion 10 of the tread fixing member 1.

S14: As shown in FIGS. 1 and 5, the decorative tread plate 3 is laid on the surface of the tread plate fixing member 1 and the concrete layer 28. Further, the decorative kick-up plate 33 is arranged and fixed on the side surface (kick-up portion 21) of the kick-up block 25. More specifically, for example, as shown in FIG. 1 (b), first, the decorative kick-up plate 33 is fixed to the side surface of the rise-up block 25 by the adhesive material 30. Next, the decorative tread plate 3 is fixed to the surface of the support portion 10 of the tread plate fixing member 1 and the concrete layer 28 by the adhesive material 30. Further, the decorative tread 32 is fixed to the surface of the concrete layer 28 near the kick-up block 25 by the adhesive material 30. The decorative treads 3 and 32 are adhesively fixed so that the upper surface thereof is substantially the same plane as the upper surface of the nose portion 11 of the tread fixing member 1.

Then, as shown in FIG. 1, the illuminating tool 4 is arranged along the long side of the support portion 10 on the lower surface of the support portion 10 of the tread fixing member 1 on the step nose portion 11 side. More specifically, as shown in FIG. 11, the illuminating tool 4 is fixed to the lower surface of the support portion 10 by a fixing tool 42 such as a screw while being held by a well-known foldable fitting 41. .. For example, as shown in FIG. 6A, the fixture 41 bent at 90 ° is fixed to the lower surface of the support portion 10 of the tread fixing member 1 by the fixture 42. Next, as shown in FIG. 3B, the illuminating tool 4 is introduced between the nose portion 11 on the lower surface and the angle member 12. Then, as shown in FIG. 6C, the luminaire 4 is attached to the lower surface in a state of being held by the attachment 41 by bending the attachment 41. The illuminating tool 4 may be attached in advance to the lower surface of the support portion 10 when the tread fixing member 1 is arranged on the kick-up block 25.

The stairs 2 shown in FIG. 5 are constructed by the above construction procedures S11 to S14, and the design and strength of the stair nose and the decorative tread are improved, and the workability of the stairs is improved.

That is, in the construction process of the present embodiment, the decorative tread plate 3 is laid on the tread surface of the stairs 2 in a state where the riser is secured by the protrusion of the step nose, so that the appearance of the stairs 2 is improved. Further, since the support portion 10 is made of a plate-shaped steel material, the strength of the decorative tread plate 3 can be improved and maintained. Further, since the support portion 10 of the tread plate fixing member 1 is embedded and fixed in the stair base 20 during the construction process, the decorative tread plate 3 can be easily positioned when the stairs 2 secure the riser on the tread surface, and the stairs 2 can be constructed. Sex improves. Further, since it is not necessary to interpose a relatively thick base material in advance unlike the conventional tread base material, the labor and cost of construction can be significantly reduced.

Further, the step nose portion 11 of the support portion 10 is made of a steel material and is arranged vertically in the vertical direction of the support portion 10, so that the step nose of the staircase 2 exhibits a texture peculiar to metal, so that the appearance of the staircase 2 is further improved. do. Further, in the support portion 10, a relatively thick decorative tread plate 3 can be arranged, and the decorative tread plate 3 can be laid on the tread surface of the stairs 2 while the reinforcing property is ensured by the support portion 10. Therefore, the selectivity of the specifications of the decorative tread 3 applied to the stairs 2 is expanded, and the needs of the customer can be flexibly met.

Further, since the angle member 12 is provided on the lower surface of the support portion 10 so as to face the rising portion 21 of the stairs 2, it is possible to easily secure the kicking on the tread surface of the stairs 2 and the kicking is provided. The workability of the stairs 2 is further enhanced.

Further, since the anchor member 13 is provided on the lower surface of the support portion 10, the adhesiveness of the tread fixing member 1 to the staircase base 20 is enhanced. In particular, the anchor member 13 is inclined with respect to the lower surface of the support portion 10, so that the adhesiveness is improved.

Since the luminaire 4 can be attached to the lower surface of the support portion 10 on the nose portion 11 side, the luminaire 4 can be arbitrarily installed on the lower surface of the riser of the stairs 2 according to the customer's needs. Will be.

[Second Embodiment]
The tread fixing member 1 of the second embodiment illustrated in FIG. 6 has the same configuration as the tread fixing member 1 of the first embodiment except that the tread portion 16 is provided instead of the nose portion 11. There is.

The nose portion 16 is integrally provided with the support portion 10 in a state of being vertically arranged downward of the support portion 10 by bending a plate-shaped steel material forming the support portion 10.

Further, as shown in FIG. 6B, the step nose decorative board 34 is adhered to the step nose and the step nose portion 16 of the decorative tread plate 3 by an adhesive material (not shown).

The construction procedures S21 to S24 of the stairs 2 of the present embodiment will be described with reference to FIGS. 6 to 10. The construction procedure of the present embodiment is basically the same as the construction procedure of the first embodiment.

S21: As shown in FIG. 7, the crusher run 23 is laid on the upper surface of the embankment 22 formed in a substantially stepped shape. Next, the block 24 is arranged in the area of the crusher run 23 corresponding to the rising portion 21 of the stairs 2. Further, a kick-up block 25 is arranged on the upper surface of the block 24. Then, as in the first embodiment, the L-shaped reinforcing bars 26 are inserted and arranged in the spaces on both sides of the kick-up block 25.

S22: As shown in FIG. 8, the tread fixing member 1 is arranged on the riser block 25 in the same manner as in the construction procedure S12 of the first embodiment. Then, the wire mesh 27 is laid in the area of the crusher run 23 corresponding to the tread surface of the stairs 2.

S23: As shown in FIG. 9, the concrete layer 28 is laid with the wire mesh 27 buried in the same manner as in the construction procedure S13 of the first embodiment.

S24: As shown in FIG. 10, the decorative kick-up plate 33 and the decorative tread plate 3 are laid on the surfaces of the rise-up block 25 and the concrete layer 28 in the same manner as in the procedure S14 of the first embodiment. In this construction procedure, as shown in FIG. 6B, the step nose decorative board 34 is adhered to the step nose 31 and the step nose portion 16 of the decorative tread plate 3 by the adhesive material 30.

Then, as shown in FIG. 6, the illuminating tool 4 is arranged along the long side of the support portion 10 on the lower surface of the support portion 10 of the tread fixing member 1 on the step nose portion 16 side. Also in the present embodiment, the illuminating tool 4 may be attached in advance to the lower surface of the support portion 10 when the tread fixing member 1 is arranged on the kick-up block 25.

The stairs 2 are constructed by the above construction procedures S21 to S24. According to the tread fixing member 1 of the present embodiment and the construction method of the stairs 2 using the tread fixing member 1, it is clear that the same effect as the construction method of the tread fixing member 1 of the first embodiment and the stairs 2 using the same can be obtained. Is.

In particular, in the present embodiment, the step nose portion 16 is arranged vertically in the downward direction of the support portion 10 at the end portion of the support portion 10 on the step nose side, so that the decorative tread 3 is relatively thin with respect to the support portion 10. Installation is possible. Further, since the decorative tread 3 can also be laid on the tread surface of the stairs 2 while ensuring the reinforcing property by the support portion 10, the selectivity of the specifications of the decorative tread 3 applied to the stairs 2 is as in the first embodiment. spread.

The present invention is not limited to the above embodiments, and can be implemented in various embodiments within the scope of the claims of the present invention.

1 ... tread fixing member, 10 ... support part, 11, 16 ... step nose part, 12 ... angle member, 13 ... anchor member 2 ... stairs, 20 ... stair base, 21 ... kicking part 3 ... decorative tread, 31 ... step nose, 34 ... Stair tread 4 ... Lighting equipment, 41 ... Mounting equipment, 42 ... Fixture

Claims (8)

It is a tread fixing member that fixes and supports the decorative tread on the base of the stairs.
A plate-shaped support part where the decorative tread is fixedly supported while the nose of the decorative tread is embedded in the base of the stairs and the step nose of the decorative tread protrudes from the rising part of the stair.
An angle member arranged on the lower surface of the support portion facing the riser portion, and
A tread fixing member characterized by being equipped with . The tread fixing member according to claim 1, wherein the end of the support portion on the nose side is provided with a plate-shaped nose portion vertically arranged vertically in the support portion. The tread fixing member according to claim 1, wherein the end of the support portion on the nose side is provided with a plate-shaped nose portion vertically arranged downward of the support portion. The tread fixing member according to claim 3, wherein a stair nose decorative plate is arranged on the nose portion. The tread fixing member according to any one of claims 1 to 4, wherein an anchor member embedded in the base of the stairs is provided on the lower surface of the support portion. The tread fixing member according to claim 5 , wherein the anchor member has a rod shape and is inclined with respect to the lower surface of the support portion. The tread fixing member according to any one of claims 1 to 6 , wherein a lighting device can be attached to the lower surface of the support portion on the nose side. Construction of a staircase, which comprises fixing the tread fixing member according to any one of claims 1 to 7 to the stair base, and then adhering and fixing the decorative tread to the stair base and the support portion of the tread fixing member. Method.

Images