JP2633157B2 - Beam attachment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixture for small beams,
For example, the present invention relates to a small beam fitting suitable for erection of a ceiling or floor beam on a pair of opposed beams of a building unit which is a component of a unit construction building.

[0002]

2. Description of the Related Art In recent years, a unit construction method which has been frequently used for building a building such as a house is a method of constructing a modular building unit such as a living room unit and a roof unit into which various components constituting the building are assembled. Construct a building in combination with.

In such a building unit, a box-shaped frame is formed by installing a ceiling beam and a floor beam between upper ends and lower ends of pillars erected at four corners, respectively, and has opposing long sides. A small beam is erected between the floor beam and the ceiling beam on the side, and a floor and a ceiling (not shown) are formed in the building unit using the small beam.

FIG. 13 is a side sectional view showing a conventional attachment for a small beam attached to a floor beam. As shown in FIG.
For the steel material of the floor beam 1 of the building unit, for example, a C-channel material having a U-shaped cross section is often used.
, And an upper flange 4 and a lower flange 6 extending at right angles from the web 2, and the joists are fixed to the floor beam 1 at the ends thereof by mounting fixtures 8 attached to the floor beam 1.

[0005] As shown in FIG. 13, the mounting fixture 8 is such that the upper joint piece 8A is spot-welded to the inner surface 4A of the upper flange 4 of the floor beam 1 and the lower joint piece 8B is spot-welded to the inner surface 6A of the lower flange 6. It is attached to the beam 1. Therefore, the dimension between the upper joining piece 8A and the lower joining piece 8B of the fixture 8 is
Dimension L1 between inner surface 4A and inner surface 6A (hereinafter, inner surface dimension)
Must be the same as

[0006]

By the way, as the floor beam, a beam having a different thickness may be used depending on the load applied to the beam. For this reason, even if the outer dimension L2 of the C channel material used for the floor beam 1 of the building unit is standardized, the inner dimension L1 will differ depending on the type of the beam. A beam corresponding to the inner surface dimension L1 of the beam 1 is required for each type of beam.

However, preparing fittings having different dimensions for each type of floor beam leads to complicated parts management in a building unit manufacturing factory and to an increase in cost due to diversification of parts. There are drawbacks.

The present invention has been made in view of such circumstances, and when a small beam is erected using a fixture between the opposite beam, there are many types of beams having different flange thicknesses. It is an object of the present invention to provide a small beam mounting tool that requires less mounting equipment even in such cases.

[0009]

According to the first aspect of the present invention, in order to solve the problems], see containing a pair of flanges extending from the web and both ends of the web, the inner surface dimension between the pair of flanges ne different
A fixing piece used to fix a small beam to a plurality of types of beams, and a pair of fixing pieces to which ends of the small beam are fixed, and a pair of fixing pieces extending from both ends of the fixing piece and joined to a pair of flange inner surfaces of the beam. In the attachment of a small beam including a joining piece, a boundary between at least one of the pair of joining pieces and the fixing piece is a connecting portion in which the fixing piece and one of the joining pieces have flexibility. And one of the joining pieces has the plurality
It is characterized in that two or more contact surfaces having different angles contacting the inner surface of the flange of the kind of beam are formed.

According to the second aspect of the present invention, seen including a pair of flanges extending from the web and both ends of the web, its
Used when fixing small beams to a plurality of types of beams having different dimensions between the inner surfaces of the pair of flanges, a fixing piece to which the ends of the small beams are fixed, and a pair of the beams extending from both ends of the fixing piece. In the fixture for a small beam including a pair of joining pieces joined to the inner surface of the flange, the fixing piece has a dimension between the pair of joining pieces joined to the inner surface of the pair of flanges, and is different from a beam used. It has flexibility so that it can be changed within the range of the inner surface dimension of the flange , and the bending direction is the longitudinal direction of the beam.
It is characterized by being set to .

[0011]

According to the first aspect of the present invention, it is possible to change the angle between the joining piece and the fixing piece at the boundary between at least one of the joining pieces and the fixing piece of the pair of joining pieces of the fixture for the beam. In addition to the flexible connecting portion, two or more contact surfaces having different angles to contact the inner surface of the flange are formed on one of the joint pieces. Therefore, by bending the connecting portion, the dimension between the pair of joining pieces can be appropriately changed in accordance with the inner dimension of the flange of the beam to be attached. Thus, one mounting tool can be mounted on various beams having different flange thicknesses.

According to the second aspect of the present invention, the fixing piece is flexible so that the dimension between the joint pieces of the fixture for the small beam can be changed within the range of the inner surface dimension of the flange of the beam to be used. It has. Therefore, by bending the fixing piece, the dimension between the pair of joining pieces can be appropriately changed in accordance with the inner surface dimension of the flange of the beam to be attached. This makes it possible to attach one attachment to various beams having different flange thicknesses. Moreover, fixed pieces
Since the bending direction of the beam is set to the longitudinal direction of the beam, it is fixed
Even if the piece flexes, the joint end of the beam is displaced in the longitudinal direction of the beam.
Only supports the beam without changing the length of the beam.
It can be fixed without obstacles.

[0013]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing an embodiment of a beam attachment according to the present invention.

FIG. 1 is a schematic perspective view of a building unit to which the beam attachment according to the present invention is applied, and FIG. 2 is a main part showing the relationship between the beam attachment and the floor beam according to the first embodiment. It is a perspective view. The building unit 10 of FIG. 1 includes a pillar 12, a ceiling beam 14 in a long side direction, a ceiling beam 15 in a short side direction, and a floor beam 1 in a long side direction.
6, the floor beam 17 in the short side direction and the like.

Two ceiling beams 14, 15 and two floor beams 16, 17 are provided between the upper end and the lower end of the pillar 12 erected at the four corners, respectively.
The frames are bridged one by one, thereby forming the skeleton of the rectangular parallelepiped building unit 10. Here, the pillar 12
It is a square pipe having a square cross section, and the ceiling beams 14, 15 and the floor beams 16, 17 are C-channel members having a U-shaped cross section.

The floor beam 16 on the long side of the building unit 10 is
As shown in FIG. 2, the web 20 includes a pair of lower flanges 22 and upper flanges 24 extending at right angles from both ends of the web 20. This floor beam 16 has a fixture 1
8 are attached at predetermined intervals, and the joists 26 are fixed to these fixtures 18 so that the joists 36 face the floor beams 1 facing each other.
It is erected between six.

The fixture 18 is formed around a fixing piece 28 for fixing the joist 26. The joist 26 is attached to the fixing piece 28.
And a hole 28A for fixing the end of
A pair of joining pieces 30 are provided extending from both ends of the fixing piece 28. The joining piece 30 includes a first contact surface 30A and a second contact surface 30B having different angles.

A flexible connecting portion 32 is formed at the boundary between the first contact surface 30A and the fixing piece 28, and the first contact surface 30A is bent along the connecting portion 32 to form the first connecting surface 32A. The angle between the first contact surface 30A and the fixing piece 28 can be changed. Further, a bent portion 34 is formed at the boundary between the first contact surface 30A and the second contact surface 30B, and the first contact surface 30A and the second contact surface 30B It is held at a predetermined angle by the bent portion 34.

FIG. 3 shows the angle of the bent portion 34 when the bent portion 34 is bent so that the angle formed between the second contact surface 30B and the fixing piece 28 is a right angle. The angle is formed so that it can be attached to the inner surface 24A and the inner surface 22A of the floor beam 16. The dimensions of the fixing piece 28 are such that when the angle between the first contact face 30A and the fixing piece 28 is set to be a right angle, the first contact face 30A is connected to the floor beam 34 shown in FIG.
It is formed in a size that can be attached to the inner surface 35A and the inner surface 36A.

The operation of the small beam mounting tool according to the present embodiment, which is constructed as described above, is mounted on a floor beam as follows.

FIGS. 3 and 4 are front sectional views showing the relationship between the floor beam and the attachment 18 for the small beam. In the floor beam 16 shown in FIG. 3, the thickness dimension of the flange 24 is T1, and the outer dimension is L2.
It is. When attaching the small beam attachment 18 to the floor beam 16, the second contact surface 30 </ b> B is brought into horizontal contact with the inner surfaces 22 </ b> A, 24 </ b> A of the upper and lower flanges 22, 24 of the floor beam 16.

That is, the connecting portion 32 is bent so that the second contact surface 30B is horizontal, and thereby the second contact surface 3B is bent.
0B is adjusted to the inner surface dimension H1 of the floor beam 16, and in this state, the second contact surface 30B is spot-welded to the inner surface 22A of the lower flange 22 and the inner surface 24A of the upper flange 24, respectively, to mount the fixture 18. It is attached to the floor beam 16.

On the other hand, the upper and lower flanges 3 of the floor beam 34 in FIG.
The thickness dimension of the upper and lower flanges 35 and 36 is T2 larger than the thickness dimension T1 of the floor beam 16.
The inner dimension H2 between them is also smaller than the inner dimension H1 of the floor beam 16. When attaching the fixture 18 to the floor beam 34, the first contact surface 30 </ b> A
Is bent at a right angle, the dimension between the first contact surfaces 30A is adjusted to the inner surface dimension H2, and these first contact surfaces 30A are spot-welded to the inner surfaces 35A, 36A of the upper and lower flanges 35, 36, respectively. Good.

At this time, the first contact surface 30A and the fixing piece 2
8 is a right angle, so the inner surface dimension H2 of the floor beam 34
Is the smallest dimension to which the fixture 18 can be attached. That is, it is necessary to set the dimension between the first joints 30A to be at least smaller than the minimum inner surface dimension of the floor beam to be used.

As described above, according to the present embodiment, the connecting portion 32
By bending the first joint 30A or the second joint 30A.
The dimensions between the joints 30B are appropriately changed according to the inner dimensions of the flange of the beam. For this reason, it becomes possible to attach one fixture 18 to two types of floor beams having different inner surface dimensions. Therefore, the types of components required for assembling the building unit are reduced, and component management becomes complicated.
The problem of high cost due to the diversification of parts is solved.

In this embodiment, the dimensions of the fixture 18 are changed by bending the connecting portion 32. However, if the bending portion 34 is bent in addition to the connecting portion 32, the first joining portion can be changed. The dimension between 30A can be changed to an unspecified floor, and even if there are many types of beams, only one fixture 18 is required.

Next, a beam attachment according to a second embodiment will be described.

FIG. 5 and FIG. 6 are front sectional views showing the relationship between the attachments for the small beams and the floor beams according to the second embodiment. Here, the same members as those in the first embodiment described above are denoted by the same reference numerals, and overlapping description will be omitted.

As shown in FIG. 5, the attachment 38 of the beam according to the second embodiment includes a joining piece 4 extending from both ends of the fixing piece 28.
0, 42, the upper bonding piece 40 is the first bonding piece.
The first contact surface 40A and the second contact surface having different angles as in the embodiment.
, But the lower joining piece 42 is always at a right angle to the fixing piece 28.

Therefore, when the fixture 38 of the second embodiment is attached to the floor beam 16 of FIG. 5, the upper joint piece 40 and the lower joint piece 40 are adjusted by adjusting the angle of the connecting portion 44 of the upper joint piece 40. And the second contact surface 40B is spotted on the inner surface 24A of the upper flange 24 of the floor beam 16 and the lower joint piece 42 is spotted on the inner surface 22A of the lower flange 22. Weld. Therefore, as in the case of the first embodiment, one attachment 38 can be attached to two types of floor beams having different inner surface dimensions, thereby reducing the number of parts.

Further, as shown in FIG. 5, the lower joint piece 42 of the fixture 38 is always attached to the lower flange 22 of the floor beam 16 at right angles, so that a downward load generated on the joist is applied. It is transmitted directly to the lower flange 22 of the floor beam 16. For this reason, the mounting strength of the mounting fixture 38 is improved, and the strength of the floor is also improved. In addition, floor beams 16,3
4 and the web 20 and the lower flanges 22 and 36
Since the connecting members 8 are connected, the fittings 38 prevent the lower flanges 22 and 36 from bending downward.

On the other hand, as shown in FIG. 6, when the fixture 38 is attached to the floor beam 34 having the inner surface dimension H2, the upper joint piece 4
The first contact surface 40A and the fixing piece 28 are bent at a right angle along the connecting portion 44 so that the first contact surface 40A
The first contact surface 40A and the lower joint piece 42 are spot-welded to the inner surfaces 35A, 36A of the upper and lower flanges 35, 36, respectively, by adjusting the dimension between the lower joint piece A and the lower joint piece 42 to the inner surface dimension H2. I do.

FIGS. 7 to 9 are front sectional views showing the relationship between the beam attachment and the floor beam according to the third embodiment. In the first and second embodiments, two abutment surfaces having different angles are formed on the joining piece. However, in the small beam attachment tool 43 according to the third embodiment,
As shown in FIGS. 7 to 9, first contact surfaces 41 having different angles.
A, the second contact surface 41B, and the third contact surface 41C are formed on the joint piece 41 of the attachment 43.

The mounting fixture 43 is connected to the floor beam 1 having a thickness T1 shown in FIG.
6, the angle may be adjusted by bending the connecting portion 39 so that the first contact surface 41A is horizontal.
When attaching the attachment 43 to the floor beam 34 having the thickness T2 in FIG. 8, the connecting portion 39 may be bent so that the second contact surface 41B is horizontal, and the thickness in FIG. Dimension T3
In this case, the connecting portion 39 may be bent such that the third contact surface 41C is horizontal. According to the attachment 43, it is possible to correspond to three types of beams having a thickness of T1, T2, and T3, and the number of parts can be further reduced.

FIG. 10 is a front sectional view of a small beam mounting device according to the fourth embodiment, and FIGS. 11 and 12 are front sectional views showing the relationship between the small beam mounting device and the floor beam according to the fourth embodiment. It is. FIG.
The zero beam attachment 44 differs from the first and second embodiments in that the fixing piece 46 is made of a flexible member. The fixing piece 46 has a U-shaped cross-section before being attached to the floor beam.
And a pair of joining pieces 48 are provided at both ends thereof so as to protrude. The fixed piece 46 is flexible so that it can be modified within the scope of the inner surface dimensions of flanges of floor beams used the dimension between the junction piece 48, and its
Of the floor beams 16, 34 in the longitudinal direction.
Is defined.

As shown in FIG. 11, when the fixture 44 is attached to the floor beam 16 having the inner surface dimension H1, the joining piece 48 is attached to the floor beam 1.
6 may be spot-welded to the upper and lower flanges 24, 22. At this time, the fixing piece 46 becomes straight from a convex shape when the joining piece 48 comes into contact with the upper and lower flanges 24 and 22, and the angle between the fixing piece 46 and the joining piece 48 becomes a right angle. Therefore, the floor beam 16 having the inner surface dimension H1 is not
Has the largest inner surface dimension that can be attached.

When the fixture 44 is attached to the floor beam 34 having the inner surface dimension H2 as shown in FIG.
Is bent in a concave shape toward the opening side so that the dimension between the joining pieces 48 is adjusted to the inner surface dimension H2, and the pair of joining pieces 48 may be spot-welded to the inner faces 35A and 36A of the upper and lower flanges 35 and 36. The fixing piece 46 may be bent in a convex shape as shown by a two-dot chain line.

As described above, the fixture 4 according to the fourth embodiment is described.
According to 4, the fixing piece 46 is made of a flexible member, and the dimension between the joining pieces 48 is changed by using the flexibility of the fixing piece 46. Thus, even when there are many types of beams having different flange thicknesses, only one mounting tool 44 is required.

In the above-described embodiment, the fixture for fixing the joist to the floor beam has been described. However, the present invention is not limited to this, and the present invention can also be applied to the case where a small beam for ceiling is installed between the ceiling beams of the building unit.

[0040]

As described above, according to the present invention,
Since the dimension between the joint pieces of the fixture can be changed, even when there are many types of beams, one type of fixture can be used. Therefore, the types of components required for manufacturing the building unit are reduced, thereby solving the problems of complicated component management and high cost due to the large number of types of components.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a building unit to which a beam attachment according to the present invention is applied.

FIG. 2 is a main part perspective view showing a relationship between a beam attachment and a floor beam according to the first embodiment.

FIG. 3 is a front sectional view showing a relationship between a floor beam and a fixture for a small beam according to the first embodiment.

FIG. 4 is a front sectional view showing a relationship between a floor beam and a fixture for a small beam according to the first embodiment.

FIG. 5 is a front sectional view showing a relationship between a beam attachment and a floor beam according to a second embodiment.

FIG. 6 is a front sectional view showing a relationship between a beam attachment and a floor beam according to a second embodiment.

FIG. 7 is a front sectional view showing a relationship between a beam attachment and a floor beam according to a third embodiment.

FIG. 8 is a front sectional view showing the relationship between a beam attachment and a floor beam according to a third embodiment.

FIG. 9 is a front sectional view showing a relationship between a beam attachment and a floor beam according to a third embodiment.

FIG. 10 is a front sectional view of a beam attachment according to a fourth embodiment.

FIG. 11 is a front sectional view showing a relationship between a beam attachment and a floor beam according to a fourth embodiment.

FIG. 12 is a front cross-sectional view showing a relationship between a beam attachment and a floor beam according to a fourth embodiment.

FIG. 13 is a side sectional view showing a conventional attachment for a small beam attached to a floor beam.

[Description of Signs] 16 34 37 Floor beam 18 38 44 Fixture 20 Web 22 36 Lower flange 24 35 Upper flange 26 Joist 28 Fixing piece 30 40 42 48 Joining piece 30A 40A 41A First contact surface 30B 40B 41B Second Abutment surface 32 39 44 connecting part 34 46 bending part

Claims (2)

(57) [Claims] 1. A saw including a pair of flanges extending from the web and both ends of the web, between the inner surfaces of the pair of flanges
Used when fixing small beams to multiple types of beams with different dimensions , fixed pieces to which the ends of the small beams are fixed, and extending from both ends of the fixed pieces and joined to a pair of flange inner surfaces of the beams In a fixture of a small beam including a pair of joining pieces, at a boundary between at least one of the joining pieces and the fixing piece, the fixing piece and one of the joining pieces have flexibility. A small beam is characterized in that it is constituted by a connecting portion and two or more abutting surfaces having different angles to abut against the inner surfaces of the flanges of the plurality of types of beams are formed on one of the joining pieces. Utensils. 2. A saw including a pair of flanges extending from the web and both ends of the web, between the inner surfaces of the pair of flanges
Used when fixing small beams to multiple types of beams with different dimensions , fixed pieces to which the ends of the small beams are fixed, and extending from both ends of the fixed pieces and joined to a pair of flange inner surfaces of the beams In the fixture for a small beam including a pair of joining pieces, the fixing piece is such that a dimension between the pair of joining pieces to be joined to the inner surfaces of the pair of flanges is within a range of inner face dimensions of different flanges of the beam to be used. Characterized in that it has flexibility so that it can be changed by the above , and a bending direction is set to a longitudinal direction of the beam.