JP2001132189A - Staircase block - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the displacement of a tread end member from a block body, the displacement of a rise section from a tread section, and the deterioration of staircase strength caused by them. SOLUTION: This staircase block is provided with the nearly L-shaped block body 1 integrally having the rise section 2 and the tread section 3 and the tread end member 5 provided at a tread end section 15 where the rise section 2 and the tread section 3 are connected together. The block body 1 and the tread end member 5 are connected and held by connecting members via an adhesive 6 between them.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a staircase block using natural stones and the like, and more particularly to a staircase block which is used for new construction or improvement work of stairs and which secures a bond between materials.

[0002]

2. Description of the Related Art Conventionally, stairs in a station building or the like have been formed using a stair block made of concrete mixed with cement and granite, for example. On the other hand, today, high-grade natural stone has been used as a staircase block from the viewpoint of durability and aesthetics, and in order to increase the utilization rate of this stone material, the riser and tread are cut out separately from the rough and assembled. In order to prevent accidents caused by stepping off the stairs, the stair nosing is assembled with a material having a different color tone from other parts.

[0003] In addition, such assembling of the riser portion and the step portion, and the assembling of the nose portion to the block main body and the like are performed as follows.
The assembly is performed by bonding the surfaces facing each other with an adhesive. In addition,
In order to increase the adhesive strength of the adhesive, the facing surface is roughened.

[0004]

However, in the above-described conventional staircase block having an assembly structure using an adhesive, water or dust enters between the adhesive surfaces and the adhesive strength of the adhesive deteriorates with time. As a result, there is a problem that the nosing member is displaced from the block main body, and the riser is displaced from the tread portion, and finally, a part of these is damaged and falls.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems and to solve the problems. An object of the present invention is to provide a staircase block that can surely prevent the deterioration of the staircase strength caused by the above.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned object, and its gist is to provide a substantially L-shaped block body integrally having a riser and a tread, and the riser. And a stair block provided with a stair member provided at a stair portion of a portion where the tread portion is continuous, wherein the block body and the stair member are connected and held together by an adhesive between them and a connecting member. It is in the staircase block characterized by being done.

[0007] According to this aspect, the bonding strength between the block body and the nose member is maintained for many years by the adhesive and the connecting member, and the durability of the stair block can be remarkably improved.

[0008] Another aspect of the present invention is to provide a riser integrally having a step portion at the upper end thereof, and a step portion provided at the upper end of the riser portion and connected to the rear side of the step portion. In the staircase block, the stair nosing portion and the tread portion are characterized in that an adhesive is interposed between them and connected and held together by a connecting member.

According to this aspect, the bonding strength between the nose portion and the step portion is maintained for many years by the adhesive and the connecting member,
The durability of the stair block can be significantly improved.

Another subject of the present invention is a staircase block, characterized in that the connecting member is a connector for connecting the end faces of the block main body and the nosing member.

[0011] According to this aspect, by a simple operation of inserting the ligature into the block main body and the nosing member, they can be firmly connected to each other, and are prevented from being displaced from each other.

Another aspect of the present invention is characterized in that the connecting member is an embedding member embedded in a recess formed at a position opposed to each other on a joint surface between the block body and the nose member. Located on the stairs block.

According to this aspect, it is possible to more reliably prevent the block main body and the nosing member from being displaced from each other in the direction of the joint surfaces.

Another aspect of the present invention resides in a staircase block, wherein the nose member is formed of a material having a different color tone from that of the block body.

According to this aspect, the nostril member is clearly indicated to the pedestrian, thereby preventing the stairs from being removed.

Another subject of the present invention is a staircase block, characterized in that the connecting member is a jig for connecting the end surfaces of the nose portion and the tread portion.

[0017] According to this aspect, the simple operation of inserting the scissors into the nose portion and the tread portion is firmly connected to each other, thereby preventing mutual displacement.

Another feature of the present invention is that an L-shaped angle member is attached to the back surface of the riser and the lower surface of the tread by an adhesive at a portion where the riser and the tread are continuous. Characterized by a staircase block.

According to this aspect, the mutual displacement between the riser and the tread portion can be more sufficiently prevented together with the scoring, so that the mutual displacement and the separation during the handling and construction in the improvement work of the stairs can be achieved. To prevent you from doing so.

Another aspect of the present invention resides in a staircase block, wherein the riser is formed of a material having a different color tone from that of the step portion.

According to this aspect, the stairs can be prevented from being depressed by appropriately selecting only the color tone of the entire riser portion without separately coloring the nose.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a side view showing a staircase block A of the present invention. The staircase block A has a substantially L-shaped block main body 1 which is cut by natural stone or artificial stone as a whole.

The block body 1 integrally has a riser 2 and a tread portion 3, and a notch 4 is formed at a portion of the nose where the riser 2 and the tread portion 3 are continuous.
The nasal member 5 is fixed via an adhesive 6.

In the staircase block A, for the purpose of reinforcement, a corner cut portion 7 is provided on the back surface of the riser 2 and the lower surface of the tread surface 3 where they are continuous with each other. Is formed sufficiently thicker than others.

Further, a plurality of non-slip notches 8 are formed in the longitudinal direction of the upper surface of the nosing member 5 and a part of the upper surface of the tread portion 3 connected to the nosing member 5 in the longitudinal direction. . Further, each of the end surfaces of the nasal member 5 and the tread portion 3 is provided with a piercing insertion hole. Both ends of the pier 9 as a substantially U-shaped connecting member are connected to each other via an adhesive. The stair nosing member 5 and the tread portion 3 are inserted into the scintillation insertion holes and connected so as not to be displaced from each other.

Further, on the horizontal joint surfaces of the stair nosing member 5 and the riser 2 and at positions facing each other, cut grooves 5a and 2a are formed, and these cut grooves 5a and 2a are formed.
A plate-like embedding member 10 as a connecting member is buried therein with an adhesive or the like interposed therebetween. The embedding member 10 is also made of a high-strength material such as stainless steel which does not easily corrode.

In the staircase block A having such a configuration, the nostril member 5 is connected via the adhesive 6 in the notch 4, and the scissors 9 serving as the connecting member firmly connect them to each other. For this reason, the connected state is maintained for many years, and the durability and durability as a staircase block are remarkably improved.

In this case, the block body 1 is provided together with or without the brace 9.
By embedding the embedding member 10 in the joint surface between the nose member 5 and the nostril member 5, these connections can be strengthened.

Further, by setting the color of the nosing member 5 to be different from that of the block body 1, for example, by making the block body 1 white granite and the nosing member 5 red granite, the position of the nosing member 5 is clearly indicated to the pedestrian. It is possible to avoid an accident caused by a pedestrian stepping off the stairs.

As shown in FIG. 2, the stair block A thus formed is laid on a mortar 12 on a concrete skeleton 11 or a concrete floor slab.
The stairs can be formed by sequentially placing the mortars 12 at the bottom of each stair block A by placing them on the lowermost side.

Here, the riser 2 of the upper staircase block A
Joint mortar 13 is installed in the gap formed between the lower part of the front surface and the rear end of the step part 13 of the lower staircase block A.

FIG. 3 shows another embodiment of the present invention. Here, a riser 16 having an integrated nose 15 at the upper end
A stair block B is formed from the upper end of the riser 16 and the tread portion 17 connected to the back surface of the nosing portion 15. Here, the front end of the step portion 14 is joined to a notch 18 formed on the back surface of the upper end of the riser 16 so as to be substantially perpendicular to each other via an adhesive 19.

The upper surface of the front end of the tread portion 17 and a part of the upper surface of the riser 16 which is continuous therewith are provided with a plurality of cut grooves 20 for preventing slip in the longitudinal direction. Further, each of the end surfaces of the nose portion 15 and the tread portion 17 is provided with a hole for inserting a scintillator, and both ends of the substantially U-shaped scissor 21 as a connecting member are bonded to each of the holes for inserting a scintillator. It is inserted through the agent. For this reason, these nostrils 1
5 and the tread portion 17 are connected so as not to be displaced from each other.

Further, the lower surface of the riser 16 and the lower surface of the tread portion 17, the riser 16 and the tread 1
An L-shaped angle member 23 is attached to a portion where 7 is continuous via an adhesive 22. This L-shaped angle material 2
Numeral 3 is made of a non-corrosive material such as stainless steel, and reinforces a connecting portion between the thin plate-like riser 16 and the tread portion 17 of about 40 mm each other.

The riser 16 is made of a material (natural stone, artificial stone) having a color tone different from that of the tread portion 17.

In the staircase block having such a configuration, the stair nosing portion 15 and the tread portion 17 are joined to each other by an adhesive 19 at their joining surfaces, and the gaze 21 connects them more firmly. For this reason, this connected state is maintained for many years, and the durability and durability of the staircase block B are significantly improved as compared with the case where only the adhesive is used.

Further, since the riser portion 16 and the tread portion 17 are formed by joining a thin plate material at the end as a whole, these connecting portions are integrally reinforced by an L-shaped angle member 23, and this is reinforced. The means for reinforcing by providing the corner cut portion 7 shown in FIG. 1 is unnecessary.

That is, even if the riser portion 16 and the tread portion 17 are plate materials, the L-shaped angle member 23 together with the scissors 21 further strengthens the connection between the riser portion 16 and the tread portion 17 by the adhesive 19. ing. Therefore, as shown in FIG. 4, this staircase block B uses the existing stairs 24 as a frame.
A kneaded mortar 25 is laid on this, and placed on the mortar 25 sequentially from the lowermost side to the upper side, and each stair block B
The lower mortar 25 is compacted to form a stair.

Also in this case, the lower part of the front of the riser 16 of the upper staircase block B and the lower part 1 of the lower staircase block B
Joint mortar 26 is applied to the gap formed between the rear end portion 7 and the rear end portion.

Further, as described above, by changing the color tones such as the riser 16 is made red and the step 17 is made white, it is possible to prevent a pedestrian from mistakenly seeing the nose and stepping off the stairs. It can be avoided and aid safe walking.

[0041]

As described above, according to the present invention, an adhesive is interposed between a block body and a nose member,
In addition, since the two members are connected and held by the connecting member, the bonding strength between the block main body and the nose member is maintained for a long time by both the adhesive and the connecting member, and the effect that the durability of the stair block can be remarkably improved can be obtained.

Further, according to the present invention, since the nosing portion and the tread portion are connected and held by the connecting member with the adhesive interposed therebetween, the joining strength between the nosing portion and the tread portion is improved. It is maintained for many years by the adhesive and the connecting member, and the effect of significantly improving the durability of the staircase block is obtained.

Further, according to the present invention, the connecting member is formed by connecting the end surfaces of the block main body and the nose member to each other, so that the simple operation of inserting the visor into the block main body and the nose member can be performed. Can be connected firmly,
It is possible to reliably prevent mutual displacement, and the connecting member
By using an embedded member embedded in a recess formed at a position facing the joining surface between the block main body and the nosing member, the block main body and the nosing member can be displaced from each other in the direction of the respective joining surfaces. It can be prevented more reliably.

Further, according to the present invention, the nostril member is formed of a material having a different color tone from that of the block body, so that the nostril member is clearly shown to the pedestrian, and the stairs can be prevented from being removed. By making the connecting member a staple connecting the end surfaces of the nose portion and the tread portion, by a simple work of inserting the nose portion into the nose portion and the tread portion, these are firmly connected and displaced from each other. Can be prevented.

Further, according to the present invention, the L-shaped angle member is attached to the back surface of the riser and the lower surface of the tread portion, where the riser and the tread portion are continuous by an adhesive. In addition, the gap between the riser and the tread can be more sufficiently prevented together with the above-mentioned scribing, and the misalignment and separation of the stairs during handling and construction in the improvement work of stairs can be prevented beforehand. it can. In addition, the rise of the stairs is made of a material with a different color tone from the treads, preventing the stairs from being depressed by appropriately selecting only the tone of the entire rise, without having to separately color the nose. The effect that it can be obtained is obtained.

[Brief description of the drawings]

FIG. 1 is a side view showing a staircase block according to an embodiment of the present invention.

FIG. 2 is a side view showing a plurality of steps provided by the step block shown in FIG. 1;

FIG. 3 is a side view showing a staircase block according to another embodiment of the present invention.

FIG. 4 is a side view showing a plurality of steps provided by the step block shown in FIG. 2;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Block main body 2,16 Raised upper part 3,17 Tread part 5 Step nosing member 6,19,22 Adhesive 9,21 Haze (connection member) 10 Embedding member 15 Step nosing part 23 L-shaped angle

Claims (8)

[Claims] 1. A staircase block comprising: a substantially L-shaped block body integrally having a riser and a step portion; and a step member provided at a step portion at a portion where the riser and the step portion are continuous. A staircase block, wherein an adhesive is interposed between the block body and the nose member, and the nose member is connected and held to each other by a connecting member. 2. A riser having a step at the upper end integrally therewith,
In a staircase block having an upper end of the riser portion and a step portion continuously provided on the back side of the step portion, an adhesive is interposed between the step portion and the step portion, and A staircase block characterized by being connected and held together by a connecting member. 3. The staircase block according to claim 1, wherein the connecting member is configured to connect the end faces of the block main body and the nose member to each other. 4. The connecting member according to claim 1, wherein said connecting member is an embedding member embedded in a recess formed at a position facing each other on a joint surface between said block body and said nosing member.
The stair block described in. 5. The staircase block according to claim 1, wherein the nose member is formed of a material having a color tone different from that of the block body. 6. The staircase block according to claim 2, wherein the connecting member is configured to connect end surfaces of the nose portion and the tread portion. 7. An L-shaped angle member is attached to the back surface of the riser and the lower surface of the tread portion by an adhesive at a portion where the riser and the tread portion are continuous. Item 3. The staircase block according to item 2. 8. The staircase block according to claim 2, wherein the riser is formed of a material having a color tone different from that of the tread portion.