JP3140903B2 - Unit stairs - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a unit stair used for a house or a general building.

[0002]

2. Description of the Related Art Conventionally, unit stairs 1A ', 1 each having a plurality of treads 3 provided between left and right side girders 2 are provided.
In the construction method of assembling the stairs 1 'by connecting a plurality of B's vertically, a plurality of treads 3 and kicks are located at the lower half 2B along the length direction A of the side spar 2, as shown in FIG. The mounting plates 4 are attached, and the tread plates 3,
At the lower part of the riser 4, the side girders 2 of each step were fixed to the wall of the building.

[0003]

However, in the conventional unit stairs 1A 'and 1B', a plurality of treads 3 and a riser 4 are respectively located on the lower half 2B along the length direction A of the side beam 2. Therefore, the space of the lower half 2B along the length direction A of the side beam 2 becomes narrow, and it is necessary to fix the side beam 2 to the wall surface of the building in this narrow portion. For this reason, the joint part 5 of the side beam 2 located in the upper half 2A along the length direction A of the side beam 2
a and 5b become farther from the fixed portion 6 of the side beam 2, and accordingly, a gap is easily generated in the joint portions 5a and 5b of the side beam 2. In addition, since the joints 5a and 5b appear above the tread plate 3 and the riser plate 4, the joint 5
There has been a problem that the gaps between a and 5b become noticeable and the appearance deteriorates.

[0004] The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a unit staircase in which a plurality of unit stairs can be connected with good appearance without any gap. Yet another object is to provide a grain between the side girders even if different grain is applied to the surface of the side girders of the lower unit stairs and the surface of the side girders of the upper unit stairs. The purpose of the present invention is to provide unit stairs that can be connected in a good-looking manner so that no breaks can be seen. is there.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned conventional problems, the present invention relates to a method of manufacturing a vehicle comprising a plurality of tread plates 3 between left and right side girders 2.
And the unit stairs 1A and 1B are constructed, and the stairs 1 are assembled by connecting the plurality of unit stairs 1A and 1B up and down. The lower halves 2B along the length direction A of the side spar 2 are respectively fixed to the building side while being attached to the upper half 2A along the direction A, and the lower spar 2 of the unit stairs 1A on the lower side is connected to the lower tier. Joint part 5 inclined with respect to the length direction A of the side beam 2 so as to be substantially flush with the upper surface 3c of the uppermost step plate 3a in the unit stairs 1A on the side.
a, and the side spar 2 of the upper unit stair 1B projects downward along the length direction A of the side spar 2 from the lowermost tread plate 3b in the upper unit stair 1B, and the lower end thereof is lower. Joint 5 inclined with respect to the length direction A of the side spar 2 so as to be substantially flush with the joint 5a of the side spar 2
b.

It is preferable that the stepped plate 3 is attached to the side spar 2 such that the tip corner 3d of the step plate 3 is in contact with the upper surface 4a along the length direction A of the side spar 2. Further, the side girders 2 of the lower unit stairs 1A are the lower unit stairs 1A.
A has a triangular portion 10 projecting below the lowermost tread plate 3b and being inclined with respect to the length direction A of the side beam 2 so as to be substantially flush with the floor surface 11 and having an acute angle at the tip. Skirting board 1 along corner C between floor 11 and wall 12
3 is installed and the upper surface 2 along the length direction A of the side beam 2
A sloped skirting board 14 is installed along a, and an edge 13a of the floor-side skirting board 13 and an end edge 14a of the sloping skirting board 14 on the unit stairs 1A, 1B side in the triangular portion 10 of the side beam 2 are set. It is preferred that they are coupled.

[0007]

According to the present invention, the plurality of treads 3 of the unit stairs 1A and 1B are respectively mounted so as to be located in the upper half 2A along the length direction A of the side spar 2, so that the plurality of treads 3 are provided. The side spar 2 is located in the upper half 2A along the length direction A, and the space of the lower half 2B along the length direction A of the side spar 2 is increased. It can be fixed to the wall of the building,
The joints 5a and 5b of the side girders 2 located in the upper half 2A along the length direction A can be made closer to the fixing parts 6 of the side girders 2, and gaps are less likely to occur in the joints 5a and 5b of the side girders 2. can do. In addition, the joint 5a of the lower spar 2 is inclined with respect to the length direction A of the side spar 2 such that the joint 5a of the lower spar 2 is substantially flush with the upper surface 3c of the uppermost tread plate 3a. Is the lowest tread plate 3
b in the length direction A of the side girders 2 so as to protrude downward along the length direction A of the side girders 2 so that the lower end is substantially flush with the joint 5a of the lower side girder 2. Due to the inclination, the joint portions 5a and 5b do not appear on the upper portion of the tread plate 3, and the joint portions 5a and 5b themselves become inconspicuous, and the plurality of unit stairs 1A and 1B can be connected with good appearance without gaps. is there.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. Unit stairs 1A, 1B used in this embodiment
As shown in FIG. 1 and FIG. 2, a plurality of treads 3 are provided between left and right side girders 2, and a plurality of unit stairs 1A and 1B are vertically connected to form a stair 1.
Is configured. The left and right side girders 2 of each of the unit stairs 1A, 1B are formed with a slope, and the plurality of treads 3 and the riser 4 are located in the upper half 2A along the length direction A of the side girders 2. It is attached in a substantially L shape when viewed from the side.
Further, in the side girders 2 of the unit stairs 1A, 1B, a fixing part 6 of the side girders 2 is provided in a lower half 2B along the length direction A of the side girders 2, and the fixing part 6 is fixed to the wall surface of the building. It has become.

In the lower unit staircase 1A, as shown in FIG. 1A, the joint 5a of the side beam 2 located in the upper half 2A along the length direction A of the side beam 2
The uppermost tread 3a in the lower unit stair 1A
Is inclined with respect to the length direction A of the side girders 2 so as to be substantially flush with the upper surface 3c of the step board 3a, and the joint portion 5a is formed along the upper surface 3c of the tread plate 3a. On the other hand, in the upper unit staircase 1B, the joint 5b of the side beam 2 located in the upper half 2A along the length direction A of the side beam 2 is lower than the lowest step board 3b in the upper unit step 1B. And is formed in a triangular shape surrounded by the tread plate 3 and the riser plate 4 so that the triangular joint portion 5b is substantially flush with the joint portion 5a of the lower side beam 2. The beam 2 is inclined with respect to the length direction A. As a result, the joint portions 5a and 5b of the upper and lower side spar 2 located in the upper half 2A along the length direction A of the side spar 2
And can be connected vertically without any gap along the upper surface 3c. In this embodiment, the joint 5c of the lower side girder 2 located in the lower half 2B along the length direction A of the side girder 2 and the lower half 2B along the length direction A of the side girder 2 The joint 5d of the upper spar 2 is connected to the upper surface 3c of the uppermost tread plate 3a in the lower unit staircase 1A.
Are connected to each other at a lower position than the respective positions.

[0010] By arranging the plurality of treads 3 and the plurality of risers 4 in the unit stairs 1A and 1B in the upper half 2A along the length direction A of the side spar 2, respectively, the tread as in the prior art is achieved. The space of the lower half 2B along the length direction A of the side spar 2 is wider than that in the case where the riser is located in the lower half along the length direction of the side spar, and this wide space is used. Thus, the side beam 2 can be fixed to the wall surface of the building. Therefore, it is possible to bring the fixed portion 6 of the side beam 2 closer to the joint portions 5a, 5b of the side beam 2 of the upper and lower unit steps 1A, 1B.
A gap is hardly generated between a and 5b. In addition, when the plurality of unit stairs 1A and 1B are connected vertically, the joint portions 5a and 5b of the side beam 2 located in the upper half 2A along the length direction A of the side beam 2 are respectively connected to the lower unit steps. Since it is formed substantially flush with the upper surface 3c of the uppermost step board 3a in 1A, as shown in FIG. 1B, the joint portions 5a and 5b do not appear above the step board 3 and the riser plate 4, The joint portions 5a and 5b themselves are less noticeable, and as a result, there is an advantage that the plurality of unit stairs 1A and 1B can be connected with good appearance without any gap.
Note that the riser 4 may be omitted.

Another embodiment of the present invention is shown in FIGS. In this embodiment, the side girder 2 of the lower unit stair 1A is used.
And the surface of the side spar 2 of the upper unit staircase 1B are provided with different grain patterns 7, 8. Conventionally,
For example, as shown in FIG. 9, unit stairs 1A ', 1B'
Since the joints 5a and 5b of the side girders 2 appear above the tread plate 3 and the riser plate 4, the graines 7 and 8 can be seen to be cut off at the joints 5a and 5b of the side girders 2, and the appearance is improved. In this embodiment, as shown in FIG. 3B, the tip corner 3
Since d is attached to the side spar 2 so as to be in contact with the upper surface 2 a along the length direction A of the side spar 2, the joints 5 a and 5 b of the side spar 2 do not appear above the tread plate 3. Therefore, the graines 7 and 8 surrounded by the tread plate 3 and the riser 4 do not appear to be cut off by the joints 5a and 5b of the side spar 2, and the graines 7 and 8 are provided for each triangular portion. 8 will appear independently. As a result, even when different graines 7 and 8 are applied to the surface of the side girders 2 of the lower unit stairs 1A and the surface of the side girders 2 of the upper unit stairs 1B, the cuts of the grain 7 and 8 are There is an advantage that the unit stairs 1A and 1B can be connected with good appearance without being seen.

Another embodiment of the present invention is shown in FIGS. In this embodiment, the side girder 2 of the lower unit stair 1A is used.
However, as shown in FIG. 5 and FIG. 6, in the length direction A of the side beam 2 so as to protrude below the lowermost tread plate 3 b in the lower unit staircase 1 </ b> A and become substantially flush with the floor surface 11. It has a triangular portion 10 inclined with respect to the tip and having an acute angle at the tip. Furthermore, a corner C between the floor 11 and the wall 12
A skirting board 13 is installed along the stairs and the unit stairs 1
A sloped skirting board 14 is installed along the upper surface 4a along the length direction A of the side spar 2 of A and 1B, and the edge 13a of the skirting board 13 and the end of the sloped skirting board 14 in the triangular portion 10 of the side spar 2 Edge 14a
And are continuous. Other configurations are the same as those of the embodiment of FIG.

By the way, in the case where the baseboards 13 are installed at the corner C of the floor 11 and the wall 12 of the lower floor and at the corner of the floor and the wall of the upper floor not shown, respectively, conventionally, for example, FIG. As shown, lower floor (same for upper floor)
There is a problem that the edge 13a of the baseboard 13 is cut off at the side spar 2 and becomes unsightly.
No. 7 requires two surfaces (upper surface, side surface), and there is a problem that productivity is reduced and cost is increased. On the other hand, in the present invention, the edge 13a of the skirting board 13 installed along the corner C of the floor surface 11 and the wall surface 12 and the edge 14a of the inclined skirting board 14 installed on the side beam 2 Since the spar 2 is continuous at the triangular portion 10, the baseboard 13 is not cut off at the side spar 2 and the appearance is improved. Moreover, in the case where baseboards are also installed at the floor and wall corners of the upper floor (not shown), the baseboards 13 of the upper and lower floors are connected to the upper and lower ends of the inclined baseboard 14, respectively, so that the upper and lower floors can be connected. The baseboard 13 can be used continuously with good appearance. In this embodiment, as shown in FIG. 7, the upper surface 2a of the unit stairs 1A and 1B along the length direction A of the side girders 2 is covered by the inclined baseboard 14, so that the decorative surface 15 of the side girders 2 is provided. Is one side (side)
Only, which is advantageous in terms of production and cost.

[0014]

As described above, according to the first aspect of the present invention, a unit step is constructed by arranging a plurality of treads between the left and right side girders, and by connecting the plurality of unit steps up and down. The stairs are assembled, and each tread of the unit stairs is attached so as to be located on the upper half along the length of the side beam, and the lower half along the length of the side beam is fixed to the building side, respectively. The side girders of the side unit stairs have joints inclined with respect to the length direction of the side girders so as to be substantially flush with the upper surface of the uppermost tread plate in the lower unit stairs, and the upper stage unit The side spar of the stairs protrudes downward along the length direction of the side spar from the lowermost tread plate in the unit stairs on the upper tier, so that the lower end is substantially flush with the joint part of the lower spar. J It has an int part, and by positioning each tread plate of the unit stairs in the upper half along the length direction of the side beam, the space of the lower half along the length direction of the side beam is widened, The fixing part of the side girder can be brought closer to the joint part of the side girder located in the upper half along the length direction, and a gap is less likely to be generated in the joint part of the side girder.
Also, the side girder of the lower unit stairs is such that the joint part of the side girder located in the upper half along the length direction of the side girder is substantially flush with the upper surface of the uppermost tread plate in the lower unit stairs. The side girder of the upper unit stairs is inclined with respect to the length direction of the side girder, and the joint part of the side girder located in the upper half along the length direction of the side girder is the lowest in the unit stairs on the upper side. It projects downward from the lower tread and is inclined with respect to the length direction of the side girder so as to be substantially flush with the joint of the lower side girder, so that the joint of the side girder is at the top of the tread As a result, the joint portion itself becomes inconspicuous, and as a result, an effect that a plurality of unit stairs can be connected with good appearance without any gap is obtained.

According to the second aspect of the present invention, since the tip corner of the tread is attached to the side girder so as to be in contact with the upper surface along the length direction of the side girder, the side girder is provided above the tread. The joint can be prevented from appearing. Therefore, when the grain of each of the upper and lower tiers is given a grain, the grain does not appear to be cut off at the joint part of the spar, and as a result, a plurality of unit stairs are connected without a gap. In addition to the effect that can be obtained, even when different grain is provided on the surface of the side girder of the lower unit stair and the surface of the side girder of the upper unit stair, the grain can be connected with good appearance.

According to the third aspect of the present invention, the side spar of the lower unit stairs projects below the lowest stepping plate of the lower unit stairs so as to be substantially flush with the floor surface. It has a triangular portion that is inclined with respect to the length direction of the side girders and has an acute angle at the tip. A baseboard is installed along the corner between the floor surface and the wall surface and along the length direction of the side girders A sloped skirting board is installed along the upper surface, and the edge of the floor-side skirting board and the edge of the unit staircase-side sloping skirting board are connected in the triangular portion of the side beam, so that the skirting board is formed. The side girders are not cut off and the appearance is improved, and at the same time, the baseboards on the upper and lower floors can be continuously used with good appearance via the inclined baseboard. As a result, in addition to the effect that multiple unit stairs can be connected without gaps, the baseboards on the upper and lower floors can be used continuously with a good appearance, and the sloped baseboard is installed on the upper surface along the length direction of the side girders There is no need to make the upper surface of the girder a decorative surface, and the decorative surface of the side girder can be reduced, which is advantageous in terms of production and cost.

[Brief description of the drawings]

FIGS. 1A and 1B show an embodiment of the present invention, wherein FIG. 1A is an exploded cross-sectional view before connection of unit steps, and FIG. 1B is a cross-sectional view after connection of unit steps.

FIG. 2 is a perspective view of a unit staircase according to the first embodiment.

3A and 3B show another embodiment of the present invention, in which FIG. 3A is an exploded cross-sectional view before unit stairs are connected, and FIG. 3B is a cross-sectional view after unit stairs are connected.

FIG. 4 is a perspective view of a unit staircase according to the embodiment.

FIG. 5 is a perspective view showing still another embodiment of the present invention.

FIG. 6 is a side sectional view of the same.

FIG. 7 is a front sectional view of the same.

FIG. 8 is a conventional sectional view.

FIG. 9 is another cross-sectional view of the related art.

10A and 10B are a perspective view and a cross-sectional view of still another conventional example.

[Explanation of symbols]

 Reference Signs List 1 stairs 1A lower unit stairs 1B upper unit stairs 2 side girders 2A upper half 2B lower half 3 tread plate 3a top tread plate 3a top surface 3b bottom tread plate 3c top surface 3d tip corners 5a, 5b joint 10 triangle Shaped part 11 Floor surface 12 Wall surface 13 Baseboard 14 Inclined baseboard A Length direction C Corner

Claims (3)

(57) [Claims] A unit stair is constructed by arranging a plurality of treads between left and right side girders, and the stairs are assembled by connecting the plurality of unit stairs up and down. And the lower half along the length of the side girders are fixed to the building, respectively, and the side girders of the lower unit stairs are the lower unit stairs. Has a joint portion inclined with respect to the length direction of the side girder so as to be substantially flush with the upper surface of the uppermost tread plate, and the side girder of the upper unit stair is the lowest in the upper unit stair. The joint part that projects downward along the length direction of the side spar from the tread plate and is inclined with respect to the length direction of the side spar so that the lower end is substantially flush with the joint part of the lower side spar Unit characterized by having Stairs. 2. The unit staircase according to claim 1, wherein the step corner is attached to the side spar such that a corner of the tip of the step board is in contact with the upper surface along the length direction of the side spar. 3. The side girders of the lower unit stairs project downward from the lowest step board of the lower unit stairs and are substantially flush with the floor surface with respect to the length direction of the side girders. It has a sloping triangular portion with a sharp tip, and a skirting board is installed along the corner between the floor and the wall, and an inclined skirting board is installed along the upper surface along the length of the side girders 2. The unit staircase according to claim 1, wherein an edge of the floor skirting board and an edge of the inclined skirting board on the unit staircase side are connected to each other in the triangular portion of the side beam.