JP3065402B2 - Joist mounting bracket - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joist mounting bracket used for mounting a joist between a pair of opposing beams of a floor panel, and can be used for a building such as a prefabricated house.

[0002]

2. Description of the Related Art In recent years, prefabricated houses which are assembled by a panel type, a rectangular parallelepiped unit type or the like are known. FIG. 6 shows a general rectangular parallelepiped building unit 40. The building unit 40 includes a floor panel 50.
Pillars 41 are erected at four corners of the floor panel 50, and a floor panel 50 is provided between upper ends of the pillars 41.
A long beam 42 is fixed to two opposing sides along the longitudinal direction of the slab, and a short beam 43 is fixed to two opposing sides along the short side of the squaring body.

The floor panel 50 is composed of a pair of opposing long beams 5.
1 and a pair of opposed short beams 52 spanned between the ends of the long beams 51. A plurality of joists 53 are connected between the pair of long beams 51 via brackets 54. Have been.

A conventional bracket 54 for connecting each end portion of each joist 53 and the long beam 51 is formed in a substantially C-shaped side surface as shown in FIGS. The lower end of the portion 54A is formed to protrude in a substantially triangular shape. The flange portion 54B bent up and down of the web portion 54A of the bracket 54 is fixed to the upper and lower flange portions 51B bent from the upright web portion 51A of the long beam 51 having a substantially C-shaped cross section by welding or the like. ing.

A joist 53 is provided inside the C-shaped long beam 51.
Is inserted into the end portion, and the end portion is closely attached to the web portion 54A of the bracket 54, and is fixed to the bracket 54 by a nail 56 or the like. The face material 5 is on the upper surface of the joist 53.
7 is fixed, and the end of the face member 57 is extended to the upper surface of the long beam 51. At this time, the end of the joist 53 is partially cut out so that it can be inserted into the long beam 51, but the height T of the main body of the joist 53 is lower than the height H of the long beam 51. The length is smaller than the height of the long beam 51 by subtracting the thickness of the side flange portion 51B. In addition, the small joist 58 is arrange | positioned in the cutout part of the end part of each joist 53 orthogonally to the extending direction of the joist 53 as needed.

[0006]

However, in the conventional floor panel 50 as described above, since the load applied to the face material 57 is received, the lower surface of the joist 53 is placed on the upper surface of the flange 51B below the long beam 51. You need to make contact. Accordingly, since the height dimension T of the joist 53 is necessarily substantially equal to the height dimension H of the long beam 51, the joist 53 becomes a material that is taller than necessary, and there is a problem that the material cost increases. .

An object of the present invention is to provide a joist mounting bracket capable of sufficiently receiving a load received from a face material of a floor panel and shortening the height of the joist.

[0008]

SUMMARY OF THE INVENTION The present invention has been made by paying attention to the fact that the height dimension of a joist becomes unnecessarily high because the load applied to the joist is directly received by a beam. In this case, the joist mounting bracket is improved so that the load of the joist can be received through the bracket. Specifically, a joist mounting bracket for connecting the end and beams joists disposed pair of Harima facing the floor panels, shorter dimension than the height of the height dimension of the beam A joist mounting bracket , wherein a step portion on which the lower surface of the joist is placed , a horizontal joist receiving portion such as cut-and-raised, bent, or the like is formed at a position.

[0009]

In such a configuration, the joist is supported by the joist receiving portion provided in the middle of the bracket, and is attached to the beam via the bracket. Therefore, by appropriately setting the height position of the joists accept portion, can be used joists need sufficient height, inevitably can reduce the height dimension of the joists. Also, place the root on the horizontal joist receiving part.
Just by placing the thick, the mounting height position of the joist is determined.
Therefore, even if the height dimension of the joist is shortened, the joist can be positioned.
It can be easily done and the joist is placed on the joist receiving part.
State (with joist positioned), for example,
Can be fixed to the side of the bracket with nails, screws, etc.
The workability of mounting joists can be improved.
You. In addition, the joists should be fitted with the horizontal joist receiving part of the bracket.
The load on the joist is sufficient because it is supported by the beam
Can be reliably received.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show a first embodiment of the present invention. In FIG. 1, a joist mounting bracket 10 according to the present embodiment is formed in a substantially stepped side surface, and horizontal beam fixing portions 11 and 12 are provided at upper and lower ends of the bracket 10, respectively. In the middle of the bracket 10, a horizontal joist receiving portion 13 formed in a step shape is integrally formed.

As shown in FIGS. 2 and 3, the bracket 10 has a long beam 15 having a substantially U-shaped cross section and a beam fixing portion 1 thereof.
1 and 12 are fixed by welding or the like. Long beam 15
Is provided with flange portions 15B bent in the horizontal direction at both ends of a vertical web portion 15A, and beam fixing portions 11, 12 of the bracket 10 are fixed to the inner surfaces of these flange portions 15B. On joists receiving portion 13 of the bracket 10, together with the end portion lower face of the joist 16 are placed, joists 16 to the side surface of the bracket 10 is nail is fixed by fasteners 17 such as screws. On the upper surface of this joist 16,
A face member 18 for forming a floor is fixed.

Here, the height of the long beam 15 is H
Then, the position of the joist receiving portion 13 of the bracket 10 is
It is formed at a position higher than the lower surface of the long beam 15 by a height dimension h. Therefore, the height dimension t of the joist 16 is
5 (H-h) shorter than the height dimension H of the joist receiving portion 13 by the height dimension h.

According to such a configuration, the load applied to the face material 18 is changed from the joist 16 to the joist receiving portion 1 of the bracket 10.
3, and further, the long beam 1
5 will be accepted. Accordingly, even if the height t of the joist 16 is shorter than the height H of the long beam 15, the joist 16
Is sufficiently supported by the long beam 15 via the bracket 10.

According to the above-described embodiment, the height t of the joist 16 can be made a necessary and sufficient dimension.
Has the effect that the material cost can be significantly reduced. Further, since the height t of the joist 16 can be reduced, there is also an effect that the stock space of the joist 16 can be reduced. Furthermore, the height t of the joist 16 is small.
Therefore, the weight of the joist 16 can be reduced,
A large number of floor panels, and the building using the floor panels
Also has the effect of greatly reducing the weight of the product unit.
You.

Also, a joist 16 is mounted on the horizontal joist receiving portion 13.
Just by placing it, the mounting height position of joist 16 is determined.
Therefore, even if the height t of the joist 16 is reduced,
Can be easily positioned and the joist receiving part 13
The state where the joist 16 is placed (the state where the joist 16 is positioned)
In the state, the joist 16 is nailed or screwed on the side of the bracket 10.
Of the joist 16
Workability can be improved. In addition, joist 16
Is a beam through the horizontal joist receiving portion 13 of the bracket 10
15 to support the joist 16
Can be reliably received.

FIG. 4 shows a second embodiment of the present invention. Joist mounting bracket 20 according to the second embodiment
Has horizontal beam fixing portions 21 and 22 at the upper and lower ends, and has a horizontal joist receiving portion 23 formed by cutting and raising near the lower portion. The bent portion of the joist receiving portion 23 from the bracket 20 includes:
If necessary, a reinforcing portion 24 composed of a bead portion or the like having a V-shaped cross section is provided.

The bracket 20 according to the second embodiment constructed as described above is also fixed to a long beam (not shown) as in the first embodiment, and the joist (not shown) is received by the joist receiving portion 23. I have come to support it. In this embodiment, the same operation and effect as those of the first embodiment can be obtained.

FIG. 5 shows a joist mounting bracket 30 according to a third embodiment of the present invention. The bracket 30 is formed in a laterally-sided, substantially convex shape, has horizontal beam fixing portions 31 and 32 in the upper and lower directions, and has a horizontal joist formed by being folded back and over on the side surface formed by the lower portion. A receiving portion 33 is provided.

With the bracket 30 according to the third embodiment configured as described above, the same operation and effect as those of the first and second embodiments can be obtained.

It should be noted that the present invention is not limited to the above-described embodiments, and improvements, modifications, etc. within a scope that can achieve the object of the present invention are included in the present invention.

For example, the outer shape of the bracket may be another shape different from the above-described embodiments, and the joist receiving portions of the respective embodiments, particularly the joist receiving portions 23, 33 in the second and third embodiments, etc. In, for the reinforcement, the joist receiving part 2
An appropriate stay or a rib portion integral with the brackets 20, 30 may be provided between the brackets 3, 33 and the side surfaces of the brackets 20, 30. Further, in the first and third embodiments, a reinforcement portion or the like equivalent to the reinforcement portion 24 of the second embodiment shown in FIG. 4 may be provided at a bending position of the joist receiving portions 13, 33 or the like as reinforcement.

Further, the bracket is not limited to the one made of sheet metal as in the above embodiments, but may be made of a casting, plastic, or other material. However, if it is made of sheet metal, there is an effect that it can be formed at low cost. Further, the bracket according to the present invention is not limited to being applied to a floor panel in a prefabricated house of a rectangular parallelepiped unit construction method using a building unit, but can be applied to a panel construction method for producing a prefabricated house from a panel, and a floor panel of another construction method. Of course.

Further, the bracket according to the present invention is not limited to the connection between the joist and the long beam, and may be used for the connection between the joist and the short beam. In other words, the bracket may be used for mounting the joist and the beam.

[0024]

According to the present invention as described above, there is an effect that a joist mounting bracket which can sufficiently support a load applied to the floor surface by using joists having a short height is provided.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a side view showing a state where the first embodiment is attached to a long beam.

FIG. 3 is a front view showing a state where the first embodiment is attached to a long beam.

FIG. 4 is a perspective view showing a second embodiment of the present invention.

FIG. 5 is a side view showing a third embodiment according to the present invention.

FIG. 6 is a perspective view showing a building unit using a conventional joist mounting bracket.

FIG. 7 is a side view showing a conventional joist mounting bracket attached to a long beam.

FIG. 8 is a front view showing a conventional joist mounting bracket attached to a long beam.

[Explanation of symbols]

 Reference Signs List 10 bracket for mounting joist 13 joist receiving part 15 long beam 16 joist 20 bracket for mounting joist 23 joist receiving part 30 bracket for mounting joist 33 joist receiving part

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) E04B 5/02 E04B 1/348 E04F 15/00

Claims (1)

(57) [Claims] 1. A joist mounting bracket for connecting the end and beams joists disposed pair of Harima facing the floor panels, the height dimension in the height of the beam <br / > Horizontal where the lower surface of the joist is placed in a shorter dimension position
A bracket for mounting a joist, wherein the joist receiving portion is formed.