JP2009035926A - Floor supporting method and apparatus therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a floor supporting apparatus for adjusting the height of floor joists and supporting them with a floor joist supporting means having an extremely simple structure. <P>SOLUTION: The floor supporting apparatus comprises a large number of floor joists and a floor joist supporting means which can adjustably fix and support the vertical positions of the floor joists, wherein the floor joists have a corner part with a triangular cross section at least in the lower part and a horizontal plane part for supporting a floor underlayer material, and the floor joist supporting means has two pieces arranged in series at an interval and one piece opposite to them, opposite pieces are inclined with each other in the opposite faces, and the angle formed by the opposite inclined faces and the angle formed by the corner part in the lower part of the floor joist are the same. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a method for supporting a floor via a space on a concrete slab and an apparatus therefor, and in particular, a joist that supports a floor material and a height adjustment on the concrete slab that is easily supported and fixed. The present invention relates to a floor support method and a device for the same using a joist support means capable of supporting the same.

2. Description of the Related Art Various types of floor support methods for supporting a floor base material using a support means whose height can be adjusted on a concrete slab have been known.
An example of such a conventionally known example will be described with reference to FIG.

  In FIG. 11, reference numeral 1 denotes a cross section of a room including a part of the floor, and a floor base panel is formed on the side surface of the wall 2 and the top surface of the concrete slab 3 by a column 4, a joist 5 and a support member 6. 7 is supported so that height adjustment is possible. Then, flooring (not shown), which is an appropriate floor material, is applied to the upper surface of the floor base panel 7.

  The support member 6 that supports the height of the concrete slab 3 and the floor base panel 7 in an adjustable manner includes a base 6a, a lot 6b, and a receiving portion 6c. By rotating the lot 6b, the base 6a The height of the floor foundation panel is adjusted by adjusting the distance from the receiving portion 6c.

Although not shown, a floor support method using such a type of support member is also disclosed in, for example, Japanese Patent No. 3812486.
In the present invention, a supporting leg is interposed between the concrete slab and the particle board which is the lower panel of the upper floor, and the shaft of the supporting leg is rotated by rotating the shaft of the supporting leg in the same manner as in the example illustrated above. The support height is adjusted.
JP 2000-73526 A Japanese Patent No. 3812486 JP 2003-97026 A

  As described above, all of the conventionally known floor support devices are provided with a large number of support members between the concrete slab and the floor base material. However, these support members are of an ordinary “jack” type. Yes, its structure is quite complicated and expensive.

In addition, since such a support member is used to directly support a particle board or the like which is a floor base material, the support and fixing operation is complicated, and the height adjusting operation itself is sometimes difficult.
The present invention provides a floor support method and apparatus for solving the above-mentioned drawbacks, using a joist support means having a very simple structure, and adjusting and supporting the height of the joists by the support means. It is.

  A first aspect of the present invention is a floor support method for supporting a floor on a concrete slab through a space, wherein the floor finish is supported by a large number of joists via a floor base material. There are a lot of joist support means that have corners with a triangular cross section at the bottom, and two pieces and one piece can be fixed facing each other on the concrete slab. The angle of the triangular corner below the joist is the same as the angle formed by the inclined surfaces of the opposing pieces, and the opposing pieces are relatively moved and adjusted. Thus, the height of the joist supporting the floor base material is adjusted and fixed.

  The second is composed of a large number of joists and joist support means capable of adjusting and supporting the upper and lower positions of these joists in an adjustable manner, and the joists have at least the corners of a triangular cross section below them. Above that, there is a horizontal surface part for supporting the floor base material, and the joist support means has two pieces in series with one interval and one piece facing them, each of these facing parts. This piece is a floor support device characterized in that the opposed surfaces thereof are inclined with each other, and the angle formed by the opposed inclined surfaces is equal to the angle of the corner portion below the joist.

According to this invention, since the floor height can be adjusted and fixed by using the joist support means having an extremely simple structure and the joist corresponding thereto, the floor laying operation is extremely simple, The support device can also be made inexpensive.
Moreover, the joist support means can be easily fixed to the concrete slab.

A first embodiment of the present invention will be described with reference to FIGS.
FIG. 1 shows a partial plane of a floor 10 constructed using the floor support apparatus of the present invention. The floor surrounded by the walls 11 and 11 has a large number of floor base materials 13 to 13 laid on the joists 30 to 30, and these joists 30 to 30 are adjusted in height by a large number of joists support means 20. After being fixedly supported.
In addition, the floor base materials 13 to 13 are configured by a normal particle board.

  In this embodiment, the dimension of the particle board which is the floor base material 13 is, for example, 600 mm × 1820 mm, and the distance between the joists 30 and 30 is 600 mm. Further, a large number of joist support means 20 to 20 are installed at intervals of about 900 mm for each joist. However, these numerical values themselves have no particular meaning and can be designed appropriately.

2 to 4 show a joist support means 20 having a configuration peculiar to the present invention and a joist 30 which is also a peculiar configuration to the present invention.
FIG. 2 shows the relationship between the side surfaces of the three triangular prism bodies 20a, 20b, and 20c constituting one joist support means 20 and the side surface height of the joist 30 having a triangular cross section supported by them.

FIG. 3 shows an arrangement of the relationship between the joist support means 20 and the joist 30 in the state of FIG. 2 as seen from the longitudinal direction of the joist. In FIG. 3, joist 30 is an upper position before the installation. It is described in the position.
Further, FIG. 4 shows a perspective view of each component 20a, 20b, 20c of the joist support means 20 in FIG.

  As is clear from FIGS. 3 and 4, each component 20a, 20b, 20c (hereinafter referred to as a piece) of the joist support means 20 has a triangular prism shape whose cross section has a right-angled isosceles triangle. However, each piece is formed by bending a single iron plate into an isosceles right triangle shape and connecting both ends thereof by welding or the like.

  Accordingly, each of the pieces 20a, 20b, and 20c has a horizontal surface portion 21a, a vertical surface portion 21b, and an inclined surface portion 21c that intersect each other at right angles, and as is apparent from FIG. 4, the pieces 20a, 20c, the piece 20b, Is placed on the upper surface of the slab with the inclined surface portion 21c facing each other, and a specific installation method thereof will be described later.

  On the other hand, the structure of the joists 30 is a hollow column having a right isosceles triangle cross section in the case of this embodiment. Usually, one iron plate is bent and both ends thereof are fixed by welding or the like. Each joist 30 is formed by two inclined surface portions 30a and 30a having the same width dimension and an upper horizontal surface portion 30b.

  As is clear from FIG. 3, the cross-sectional shapes of the pieces 20 a to 20 c and the joists 30 in this embodiment are all formed into right-angled isosceles triangles, so that the respective inclined surface portions 21 c to 21 c and joists 30 of the respective pieces are formed. The inclination angles of the pair of inclined surface portions 30a and 30a are exactly the same.

  FIG. 4 is a perspective view for explaining the positional relationship between the pieces 20a to 20c, which are the components of the joist support means 20 shown in FIG. 2, as described above. In the figure, two pieces 20a and 20c are fixed in advance on the upper surface of the concrete slab with a space between each other, and a piece 20b is arranged between them as shown in the figure, and inserted between the pieces 20a and 20c. Can be fixed.

  FIG. 5 shows the relationship between a certain joist 30 shown in FIG. 1 and a total of three pieces 20a to 20c constituting one of a plurality of joist support means 20 for supporting and fixing the joist 30. A method of adjusting the height of the joist 30 to be supported by adjusting the positional relationship between the pieces 20a, 20c and the pieces 20b arranged to face each other is described.

  5A to 5C show the relationship between the inclined surface portions 21c and 21c of the pieces 20a and 20c and the piece 20b, respectively, and the inclined surface portions 30a and 30a of the joist 30 supported in close contact therebetween. The state in which the horizontal surface portion 30b of the joist 30 moves upward by changing the distance between the facing pieces 20a, 20c and the piece 20b is shown.

  That is, in FIG. 5A, the opposed pieces 20a and 20c and the piece 20b of the joist support means 20 are arranged at positions where the respective inclined surface portions 21c and 21c are in contact with each other at the lower end portion. When the two inclined surface portions 30a and 30a of the joists 30 are placed on the inclined surface portions 21c and 21c of these pieces and the respective pieces 20a to 20c are fixed on the concrete slab, a right angle at the lower end of the joists 30 is obtained. The joist 30 can be supported and fixed in a state where the portion is aligned on the concrete slab surface.

5B is moved in the direction of the arrow in the direction in which the interval between the pieces 20a, 20c and the piece 20b is narrower than the state of the above-described state (A). The state which fixes 20c to the concrete slab upper surface is shown.
In this case, it can be seen that the height position of the joist 30 to be supported can be changed by the positional relationship between the pieces 20a, 20c and the piece 20b.

FIG. 5C shows a state in which the opposed pieces 20a and 20c and the piece 20b in the state of (B) are further brought closer to each other.
In this case, the bottom side surface 21a of the pieces 20a, 20c and the bottom side surface 21a of the piece 20b coincide with each other. When each piece is fixed to the upper surface of the concrete slab at this position, the position of the upper surface portion of the joist 30 Can be supported and fixed at the highest position from the upper surface of the concrete slab.

The fixing of each of the pieces to the upper surface of the concrete slab can be performed by known fixing means such as placing a nail on the upper surface of the concrete slab through a nail hole or the like drilled in an iron plate constituting the piece. .
However, the structure of the piece itself according to the invention is not limited to a triangular hollow body formed by bending with an iron plate. For example, in the case of a triangular hollow body made of other materials, other known structures are used. The fixing means may be employed.

  FIG. 6 shows a state in which the floor 10 is fixed to the upper surface of the concrete slab 12 using the joist support means 20 and joists 30 according to the first embodiment. The floor 10 portion of the room surrounded by the wall 11 and the concrete slab 12 is adjusted in height by a large number of joists 30 to 30 using the numerous joist support means 20 to 20 described as the first embodiment. It is supported and fixed after being done.

  Although the floor base material 13 generally composed of particle board is supported on the upper surface of the large number of joists 30 to 30, and the floor finishing material 14 such as flooring is further applied to the upper surface, The construction of the flooring itself is not particularly novel, and conventionally known ones are used.

6B and 6C, these joist support means 20 and 20 correspond to the states (B) and (C) described in FIG. 5, respectively, and the joist support means 20 in each figure. The top and bottom positions of the joists 30 change in accordance with the relative positions of the pieces 20a and 20c and the pieces 20b constituting the same, and the support positions of the floor base material 13 and the floor finishing material 14 supported thereby change. Show.
In addition, the code | symbol 15 in FIG. 6 has shown the baseboard installed after the position of a flooring is adjusted by the said joist support means, and is supported and fixed.

FIGS. 7 to 9 show a joist support means using the joist support means piece according to the second embodiment of the present invention.
As in the first embodiment, FIG. 7 shows a side view of the joist support means 25 and joists 35, and FIG. 8 shows the arrangement of the joist support means and joists viewed from the longitudinal direction of the joists. Further, FIG. 9 shows a relationship between the joists 35 and the respective pieces 25a to 25c constituting the joists support means 25.

  Similar to the first embodiment, the multiple joist support means 25 to 25 for supporting the multiple joists 35 to 35 are constituted by the pieces 25a to 25c, which are constituent elements, respectively. As shown in FIG. 8, each of the cross-sectional shapes of the pieces 25 a to 25 c is an equilateral triangle. Accordingly, the inclined surface portions 35a, 35a constituting the cross section of the joist 35 and the horizontal surface portion 35b supporting the floor base material have an inverted regular triangular shape having the same side length.

  In addition, the cross-sectional shape of each of the pieces 25a to 25c constituting the joist support means 25 is such that the bottom surface 26a and the inclined surface portion 26b intersect each other at an angle of 60 °, and these inclined surface portions 26b to 26b and the joist The inclined surface portions 35a and 35a of the 35 have the inclined surfaces that coincide with each other.

  FIG. 9 is an explanatory view corresponding to FIG. 5 of the first embodiment. In the second embodiment, the joist 35 and the cross sections of the pieces 25a to 25c are equilateral triangles. Therefore, both the inclined surface portions 35a and 35a of the joists 35 and the inclined surface portions 26c and 26c of the respective pieces 25a to 25c are inclined by 60 ° with respect to the surface of the concrete slab, as shown in FIG. So is consistent in these aspects.

  (B) of the figure is a state in which the pieces 25a, 25c and the piece 25b facing each other from the state of (A) are close to each other in the direction of the arrow, and the joists 35 are obtained by bringing these inclined surface portions 26c, 26c closer to each other. By pushing up in the direction of the arrow, the distance between the horizontal surface portion 35b of the joist 35 and the surface of the concrete slab can be easily adjusted.

Similarly, FIG. 9C shows a state in which the pieces 25a, 25c and the piece 25b are brought closer to each other than FIG. 9B, and this state corresponds to the highest rising position of the joist 35.
Moreover, while adjusting the position of the joist 35 by operation like (B) or (C) of FIG. 9, the piece 25a-25c is fixed on a concrete slab similarly to the case of a 1st Example.

FIG. 10 is an invention related to the first embodiment described above, and particularly shows another embodiment of the joist support means.
The joist support means 27 in the present invention has three pieces 27a to 27c constituting the same, but the most characteristic feature thereof is a pair of pieces 27a and 27c that are arranged opposite to the piece 27b. It is connected by the connecting member 29.

  Each of the pieces 27a to 27c in this embodiment is formed in a hollow triangular prism body whose cross-sectional shape is a right-angled isosceles triangle like the pieces 20a to 20c in the first embodiment described above. 27a and the piece 27c are integrally formed by the connecting member 29 as described above, that is, the connecting member 29 is the same as the connecting plate portion 29b for connecting the vertical surface portions 28b and 28b of the pieces 27a and 27c. It is comprised by the connection board part 29c which connects the inclined surface parts 28c and 28c of 27a and 27c.

In practice, the connecting member 29 and the pieces 27a and 27c are formed by integrally bending a single iron plate.
Further, the structure of the connecting plate portion 29c in the connecting member 29 is such that the width in the inclined direction is up to an intermediate position between the inclined surface portions 28c, 28c of the adjacent pieces 27a, 27c. In FIG. 10, when the intermediate piece 27b is inserted into the gap between the pieces 27a and 27c and the joist to be supported is supported at the highest position as shown in FIG. 5C, for example. This means that the lower end of the connecting plate portion 29c comes into contact with the inclined surface portion 28c of the piece 27b.

In addition, the description of the above embodiment does not limit the technical scope of the present invention by itself, and a part that can be replaced with a conventionally known technical means can be freely changed as necessary. The same applies to the joist 30 or joist 35.
An essential feature of these joists in the present invention is the presence of each inclined surface portion 30a, 30a or 35a, 35a in the cross-sectional shape thereof. For this reason, the cross-sectional shape of the joists can be, for example, a pentagonal one. That is. That is, it is important that these joists 30 or joists 35 have a pair of inclined surface portions 30a, 30a or 35a, 35a below them and an upper horizontal surface portion 30b or 35b.

It is a top view of a part of floor constructed using the floor support device according to the present invention. It is a side view of a joist and joist support means concerning the 1st example. FIG. 3 is a front view of FIG. 2. It is a perspective view of the joist support means concerning the 1st example. It is positional relationship explanatory drawing of the joist and joist support means which concern on a 1st Example. It is explanatory drawing of the floor support state using the floor support apparatus which concerns on a 1st Example. It is a side view of a joist and joist support means concerning the 2nd example. FIG. 8 is a front view of FIG. 7. It is positional relationship explanatory drawing of the joist and joist support means which concern on a 2nd Example. It is a perspective view of the other Example in a joist support means. It is explanatory drawing of the floor support apparatus which concerns on a conventionally well-known invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Floor 11 Wall 12 Concrete slab 13 Floor base material 14 Floor finishing material 20 joist support means 20a, 20b, 20c piece 21a horizontal plane part 21b vertical surface part 21c inclined surface part 25 joist support means 25a, 25b, 25c piece 26a bottom side face 26b inclined surface part 27 joist support means 27a, 27b, 27c piece 28b vertical surface portion 28c inclined surface portion 29 connecting member 29b, 29c connecting plate portion 30 joist 30a inclined surface portion 30b horizontal plane portion 35 joist 35a inclined surface portion 35b horizontal plane portion

Claims (8)

A floor support method for supporting a floor via a space on a concrete slab, wherein the floor finish is supported by a large number of joists through the floor base material, and the joists are triangular at least below them. A large number of joist support means are arranged on the concrete slab, and two pieces and one piece can be fixed to face each other, and each piece has a triangular cross section having inclined surfaces facing each other. And the angle of the triangular corner below the joist is the same as the angle formed by the inclined surfaces of the opposing pieces, and the floor base material is adjusted by relatively moving and adjusting the opposing pieces. A floor support method characterized by adjusting and fixing the height of the joist supporting the floor. It consists of a large number of joists and joist support means that can fix and support the upper and lower positions of these joists in an adjustable manner, and the joists have at least the corners of a triangular section below them, and above them It has a horizontal surface portion for supporting the floor base material, and the joist support means has two pieces arranged in series at a distance and one piece facing them, and each of these opposed pieces is The floor support apparatus characterized in that opposing surfaces are inclined to each other, and an angle formed by the opposing inclined surfaces is equal to an angle of a corner portion below the joist. The floor support apparatus according to claim 2, wherein a cross-sectional shape of the joist is a triangle. The floor support apparatus according to claim 2, wherein a cross-sectional shape of the joist is a pentagon. The floor support device according to claim 3 or 4, wherein a cross-sectional shape of the piece constituting the joist support means is a right-angled isosceles triangle. The floor support device according to claim 3 or 4, wherein a cross-sectional shape of each piece constituting the joist support means is an equilateral triangle. The floor support device according to any one of claims 2 to 6, wherein each of the pieces is formed by bending a single metal plate. The floor supporting device according to claim 5 or 7, wherein the pieces in series with a space among the pieces are integrally connected by the same constituent member as the piece.