JPH0622409U - Building unit ceiling structure - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a ceiling structure for a building unit, which makes it easy to remove the waterproof sheet and facilitates manufacturing of the building unit. [Structure] A ceiling structure of a building unit 1 having a substantially box-shaped frame 13 formed by joining columns 11 and beams 12A and 12B, and a panel 20 which is a planar structural material is provided on an upper surface of the frame 13. It is placed and the peripheral part of the panel 20 is a beam 12A, 1 of the frame 13.
It is joined to 2B. The panel 20 mounted on the frame 13 reinforces the frame 13 to eliminate the need for braces and tension adjustment of the braces. Even if the building unit 1 is covered with a waterproof sheet for outdoor storage, the waterproof sheet is laid on the panel 20, so that a recess for collecting rainwater is not formed on the building unit 1 unlike the conventional case.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a ceiling structure of a building unit, and can be used for a unit building such as a prefabricated house.

[0002]

[Background technology]

 As a prefabricated building, a unit building constructed by connecting a plurality of box-shaped building units manufactured at a factory in advance at a construction site is known today. As shown in FIGS. 5 and 6, a building unit that constitutes such a unit building has a substantially box-like shape in which the upper and lower ends (lower ends in the figure) of each pillar 31 arranged at four corners are connected by beams 32. Some have a frame 33.

In this frame 33, a plurality of small beams 34 are bridged between a pair of upper beams 32 facing each other, and a ceiling material 35 is fixed to the lower surfaces of these small beams 34, whereby a ceiling portion 36 is formed. Has been formed. A pair of braces 37 arranged diagonally above the ceiling 36 are provided above the beam 34. The braces 37 reinforce the frame 33, and the corners of the frame 33 are welded at their ends. A screwing member 38 such as a turnbuckle is provided in the middle portion of each brace 37 for adjusting the tension, and the screwing member 38 is adjusted to have a predetermined tension.

[0004]

[Problems to be solved by the device]

 In such a building unit, a tarpaulin overlaid for outdoor storage loosens between the braces 37 and the beams 32 to form a depression. If left outdoors, rainwater collects in the depressions of the tarpaulin, which makes it difficult to remove the tarpaulin due to the weight of the rainwater.

Also, if the tension of the pair of braces 37 that reinforce the frame 33 is not equal, it may cause deformation of the frame 33. Therefore, tension adjustment that equalizes the tension of the braces 37 in the manufacturing process of the building unit is necessary. Is going. However, this tension adjustment is difficult, and there is a problem in that the manufacturing of the building unit is complicated.

An object of the present invention is to provide a ceiling structure for a building unit, which makes it easy to remove the waterproof sheet and facilitates manufacturing of the building unit.

[0007]

[Means for Solving the Problems]

 The present invention is a ceiling structure of a building unit having a substantially box-shaped frame formed by joining columns and beams, in which a planar structural material is placed on the upper surface of the frame. A peripheral portion of the structural member is joined to the peripheral portion of the upper surface of the frame over substantially the entire circumference.

Here, as the planar structural material, both a structural material that opposes the compressive force and a material that opposes the tension can be adopted. For example, so-called FRP and other synthetic resin surface materials with reinforcing fibers, particle boards, lightweight cellular concrete panels with reinforcing materials such as reinforcing bars, truss structure frames with plate materials attached to both sides, inside a square frame It is possible to use a long material such as a steel pipe on which a fine grid is formed, a corrugated or flat steel surface material, or a hollow box-shaped surface material. Also, the joints of the planar structure can be set at least at the corners of the planar structure or in the middle of each side, and the number of joints should be set to at least 4 or more for either the corners or the middle. Is desirable.

[0009]

[Action]

 In this invention, since the frame can be strengthened by the planar structural member placed on the upper surface of the frame, the brace is not necessary. For this reason, the waterproof sheet for outdoor storage is now covered on the planar structure material, that is, on the flat surface, and it is not slackened between the brace and the beam as in the conventional case, and there is a recess for collecting rainwater. Not formed. Further, since the planar structural material itself has rigidity, it is not necessary to adjust the tension like a brace, and these can achieve the above object.

[0010]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. 1 and 2 show a ceiling portion 2 of a building unit 1 according to this embodiment, which has a frame 13 including columns 11, long side beams 12A and short side beams 12B. Is.

The pillar 11 is made of a steel pipe or the like having a square cross section, and the long side beam 12A and the short side beam 12B are made of a channel material having a U-shaped cross section. The frame 13 has a substantially box-like shape in which the upper and lower ends (the lower ends in the figure are omitted) of the columns 11 arranged at the four corners are connected by beams 12A and 12B. A panel 20 which is a planar structural material is placed on the long-side beam 12A and the short-side beam 12B that are peripheral portions of the upper surface of the frame 13.

The panel 20 is a panel made of synthetic resin containing reinforcing fibers such as so-called FRP. The peripheral portion of the panel 20 is joined to the frame 13 by a plurality of nails 21 arranged at equal intervals over almost the entire circumference. As a result, the frame 13 is reinforced by the panel 20. On the lower surface of the panel 20, a plurality of long wooden timbers and the like are attached so as to be parallel to the short-side beam 12B to form a hanging portion 22.

A plurality of long wooden square members and the like are attached to the lower end surfaces of the hanging parts 22 so as to be orthogonal to the hanging parts 22, and form a support part 23. A plate-shaped ceiling material 24 is attached to the lower end surface of the support portion 23.

An auxiliary member 25 having a U-shaped cross section is welded inside the U-shape of the short-side beam 12B with the U-shape facing each other (see FIG. 2). A suspension member 26 having a square cross section is attached. The lower end surface of the hanging member 26 is formed to be flush with the lower end surface of the hanging portion 22. To the lower end surface of the hanging member 26, the end portion of the support portion 23 to which the ceiling material 24 is attached is fixed.

According to this embodiment as described above, there are the following effects. That is, even if the building unit 1 is covered with the waterproof sheet, the waterproof sheet is laid on the flat surface of the panel 20, so that the waterproof sheet is held at a height higher than the upper edges of the beams 12A and 12B, and the waterproof sheet is covered. Even if it is covered, no depression is formed on the upper surface of the building unit 1. Therefore, unlike the conventional case, rainwater does not collect on the upper surface of the building unit 1, and even if the building unit 1 is left outdoors, the covered waterproof sheet can be easily removed.

Further, since the frame 13 is reinforced by the panel 20 to eliminate the need for braces, it is not necessary to adjust the tension of the braces in the manufacturing process of the building unit 1, which makes it difficult to manufacture the building unit 1. You can easily.

Further, the work of joining the panel 20 which is the reinforcing member to the frame 13 with the nails 21 can be performed more easily than the work of welding the braces to the frame. From this point as well, the manufacturing of the building unit 1 is performed. Can be done easily.

It should be noted that the present invention is not limited to the above-described one embodiment, but includes modifications and the like as shown below. In other words, the planar structural material is not limited to a synthetic resin surface material containing reinforcing fibers such as FRP, but it is, for example, a panel made of lightweight cell concrete with a reinforcing material such as particle board or reinforcing bars, or a square of truss structure. Shaped frame with plate materials attached on both sides, square frame with long grids made of long material such as steel pipes, corrugated or flat steel face material, hollow box shape A face material or the like may be used. Furthermore, these planar structural materials may have through holes for wiring and piping, lightening holes for weight reduction, and the like.

Here, the planar structural material is not limited to the one that covers the entire upper surface of the building unit 1 like the panel 20, but, for example, as shown in FIG. 3 and FIG. A panel 29 having a cutout 28 may be provided to expose the joint 27 with the building unit of FIG.

Further, the pillars that form the frame are not limited to the square-tube-shaped pillars 11, but may be, for example, square-tube-shaped or cylindrical-shaped ones other than the square-tube, and the cross-section of the beam is U-shaped. The beams 12A and 12B are not limited to the beams 12A and 12B described above, and may have an H-shaped cross section, for example.

Further, the joining positions of the planar structural material are not limited to those provided in a large number at equal intervals over substantially the entire circumference like the panel 20, and for example, four points at each corner portion of the planar structural material, A relatively small number may be arranged such as four places in the middle of each side of the planar structure material.

[0022]

[Effect of device]

 As described above, according to the present invention, the waterproof sheet can be easily removed from the building unit even when left outdoors, and the building unit can be easily manufactured.

[Brief description of drawings]

FIG. 1 is a perspective view showing a main part of an embodiment of the present invention.

FIG. 2 is a vertical cross-sectional view of a main part of this embodiment.

FIG. 3 is a perspective view showing a modified example of the present invention.

FIG. 4 is a perspective view showing another modification of the present invention.

FIG. 5 is a view similar to FIG. 1 showing a conventional example.

FIG. 6 is a view similar to FIG. 2 showing the same conventional example as in FIG.

[Explanation of symbols]

 1 Building Unit 2 Ceiling 11 Pillars 12A, 12B Beams 13 Frames 20, 29 Panels as Planar Structural Materials

Claims (1)

[Scope of utility model registration request] 1. A ceiling structure of a building unit having a substantially box-shaped frame formed by joining columns and beams, wherein a planar structural material is placed on an upper surface of the frame, A ceiling portion structure of a building unit, wherein a peripheral portion of a structural material is joined to a peripheral portion of an upper surface of the frame over substantially the entire circumference thereof.