JPH0996046A - Ceiling-beam mounting structure of ceiling panel in building unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To form a ceiling beam of a member substituted for wood, and to easily form a stepped section for installing a through-material. SOLUTION: Each ceiling beam 1 is made of a metal while the ceiling beams 1 are composed of two first beam members 4 forming both end sections 1A and second beam members 5 forming central sections 1B. These first and second beam members 4, 5 are formed in square cylindrical shapes having closed cross sections having different size, and each first beam member 4 is fitted and connected into the second beam members 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling beam mounting structure for a ceiling panel in a building unit, and can be used in a unit-type building constructed by combining a plurality of building units.

[0002]

BACKGROUND ART As shown in FIG. 6, a building unit 10 as shown in FIG.
1. The floor panel 12 and the wife panels 13 arranged on both sides of the ceiling panel 11 and the floor panel 12 are assembled. The ceiling panel 11 is formed by bridging a plurality of ceiling beams 15 between two parallel long side ceiling beams 14. A ceiling panel 16 is attached to the lower surface of the ceiling beam 15. The long side ceiling beam 14
As shown in FIG. 7, the upper flange portion 14A, the lower flange portion 14B, and the web portion 1 connecting these end portions to each other.
4C, and has a groove-shaped cross section. Floor panel 12,
Multiple wooden joists 18 between two parallel long-side floor beams 17
It is formed by straddling. Also, such a joist 1
A floor material 19 is attached to the lower surface of 8. The gable panel 13 is formed of two columns 20 and a short-side ceiling beam 21 and a short-side floor beam 22 that connect between the upper ends of the columns 20 and between the lower ends thereof.

In the ceiling panel 11 of such a building unit 10, the ceiling girders 15 are attached as shown in FIG. That is, the bracket 23 formed of an iron plate or the like is fixed inside the long side ceiling beam 14, and the ceiling beam 15
Is attached to the side surface of the bracket 23 with bolts 24 and the like. At this time, the end portion of the ceiling beam 15 is placed on a part of the lower flange portion 14B of the long-side ceiling beam 14. In addition, the lower surface at both ends of the ceiling beam 15 is cut to a predetermined depth dimension in a range larger than the width dimension of the threading member 25 from the portion located in the vicinity of the end portion of the lower flange portion 14B toward the indoor side. A notch 15A is formed, and a wooden threading member 25 is attached to the notch 15A in a direction orthogonal to the length direction of the ceiling beam 15.

The thickness of the threading member 25 is notched 15A.
It is the same as the depth dimension of. Further, the lower surface of the threading member 25 and the lower surface of the lower flange portion 14B of the long side ceiling beam 14 are flush with each other. Then, the ceiling panel 16 is attached to the lower surface between the through members 25 at both ends of the ceiling beam 15, and the through holes (not shown) provided on the adjacent long side ceiling beams 14 of the adjacent building units 10 are provided. A connecting ceiling surface member 26 is attached between the members. Therefore, the ceiling surface material 16 and the connecting ceiling surface material 26 can be surface materials having the same thickness dimension, whereby a horizontal ceiling surface can be obtained. The ceiling surface material 16 is formed of, for example, two gypsum boards 16A and 16B, and the connection ceiling surface material 26 is two gypsum boards 26A and 2B.
6B.

[0005]

By the way, there is a widespread worldwide movement to protect forests, and there is a shortage of wood resources. Therefore, the price of timber is also rising. Along with this, the use of wood substitutes has been considered in various fields including the construction field.For example, even in a building unit that is a component of a unit-type building, on the one hand, the cost is reduced and on the other hand, it is made of wood. It is being sought to form the formed parts by another member instead of wood.

In the conventional ceiling beam mounting structure, the notches 1 are formed on the lower surfaces of both ends of the ceiling beam 15.
5A is formed, but if the ceiling beam 15 is made of a member that replaces wood, for example, a metal ceiling beam, the formation of the notch becomes troublesome, so the lower surface and the central portion of both ends of the ceiling beam are formed. There is a problem that it is not easy to form a step corresponding to the thickness dimension of the through member 25 at the boundary with the lower surface of the.

An object of the present invention is to provide a ceiling girder mounting structure for a ceiling panel in a building unit in which a ceiling girder can be formed of a member replacing wood and a step for attaching a threading member can be easily formed. To do.

[0008]

A ceiling beam mounting structure for a ceiling panel in a building unit according to the present invention will be described with reference to the drawings. A building unit 10 constituting a unitary building includes a ceiling panel 11. This ceiling panel 11 is composed of two parallel long side ceiling beams 14 facing each other.
And a plurality of ceiling girders 1 mounted between the long side ceiling beams 14 via brackets 3, and the lower surface of these ceiling girders 1 includes a building unit 10
The through member 25 for attaching the ceiling surface member 16 is attached to the lower surface of the long side ceiling beam 14 at the same height, and is attached in the direction orthogonal to the ceiling beam 1 at both end portions of the ceiling beam 1. A ceiling beam mounting structure for a ceiling panel in a building unit in which a height level of 1A is higher than a height level of a central portion 1B by a thickness dimension of a through member 25,
Each ceiling girder 1 is made of metal and is composed of two first beam members 4 forming both end portions 1A and a second beam member 5 forming a central portion 1B. Beam member 4,
It is characterized in that each of the first beam members 4 is fitted into the inside of the second beam member 5 to be connected thereto, and each of the first beam members 5 has a rectangular tubular shape having a closed cross section having a different size. In the present invention as described above, since the ceiling girder 1 is made of metal, the ceiling girder is formed by a member replacing wood. Further, both end portions and the central portion of the ceiling beam 1 are formed of a rectangular beam-shaped first beam member 4 and a second beam member 5 having different cross-sectional sizes, and these first and second beam members 4, Since the steps 5 are secured to each other to secure the step corresponding to the thickness dimension of the threading member 25, a troublesome work such as a notch work is unnecessary, and the step for attaching the threading member 25 is easily formed. Become so.

In the ceiling beam mounting structure of the ceiling panel in this building unit, the first beam member 4 is attached to the bracket 3.
The mounting member 2 for mounting the mounting member 2 is provided, and the upper surface 4A and the lower surface 4 of the first beam member 4 in the mounting member 2 are provided.
A protruding portion 6 that protrudes downward and upward at a portion that contacts B
And an engaging groove 4C recessed inwardly at a portion corresponding to each protrusion 6 on the upper surface 4A and the lower surface 4B of the first beam member 4.
Is provided, and each protrusion 6 is engaged with the engaging groove 4C to
The beam member 4 and the attachment member 2 are positioned. In such a case, the positioning of the first beam member 4 and the mounting member 2 can be easily performed by the engagement of the engagement groove 4C and the protrusion 6.

Further, a fitting groove 5B which is recessed inward and continuous in the longitudinal direction of the second beam member 5 is provided on both side surfaces 5A of the second beam member 5, and the outer surface of the first beam member 4 is provided with The first beam member 4 is press-fitted into the second beam member 5 while being in contact with the fitting grooves 5B of the two-beam member and the inner surface above the fitting grooves 5B. In such a case, the fitting groove 5B is provided at a position corresponding to the thickness dimension of the through member 25, so that the lower surface 4B of the first beam member 4 is brought into contact with the fitting groove 5B and the second beam. Since the first and second beam members 4 and 5 are positioned in the vertical direction with respect to each other only by fitting the members in the member 6, a step corresponding to the thickness dimension of the threading member 25 is formed in the first beam member 4. It is easily and reliably formed at the boundary between the lower surface 4B and the lower surface 5D of the second beam member 5.
Then, since the first beam members 4 are connected to each other only by press-fitting them into the second beam members 5, troublesome connecting means such as rivets or welding becomes unnecessary, and the connecting work becomes easy.

Further, the first beam member 4 and the second beam member 5
A stopper 7 for positioning the first and second beam members 4, 5 in the fitting direction is provided on either one of the above. In such a case, since the first beam member 4 is stopped at a predetermined position by the stopper 7 during the fitting of the first beam member 4 to the second beam member 5, these first and second beam members 4 Positioning in the fitting direction of 5 can be easily performed.

The first and second beam members 4 and 5 are characterized in that they are formed by bending a thin strip. In such a case, since the ceiling beam 1 is made by bending a thin strip rope, the weight is light and the cost such as material cost and processing cost is small, and the cost can be reduced. .

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. 1 to 4 show a ceiling girder mounting structure according to the present embodiment. In this embodiment, the same members and the like as the above-mentioned conventional ceiling beam mounting structure are designated by the same reference numerals, and detailed description thereof will be omitted or simplified.

As shown in FIGS. 1 and 3, the long side ceiling beam 14
A bracket 3 is attached to the inside of the. The bracket 3 is formed of a metal plate, and has a shape sandwiched between the upper flange portion 14A and the lower flange portion 14B of the long side ceiling beam 14 on the partition. The upper and lower parts of the bracket 3 are bent in the same direction,
The bent portion is in contact with the lower surface of the upper flange portion 14A and the upper surface of the lower flange portion 14B of the long side ceiling beam 14.

Further, on the front surface of the bracket 3, a front bent portion 3A bent in parallel with the web portion 14C of the long side ceiling beam 14 is formed. This front bent part 3
A is formed by bending a portion from a horizontal cut 3B formed in the middle of the front surface of the bracket 3 in the vertical direction to the vicinity of the lower portion in a direction opposite to the bending direction of the upper and lower portions.

The mounting member 2 is pressed against the front bent portion 3A of the bracket 3 in parallel with the longitudinal direction of the long side ceiling beam 14 and fixed by welding. The mounting member 2 has a groove-shaped cross section having an upper flange portion 2A, a lower flange portion 2B and a web portion 2C, and has substantially the same length dimension as the long side ceiling beam 14. The dimension from the lower surface of the lower flange portion 14B of the long side ceiling beam 14 to the upper surface of the lower flange portion 2B of the mounting member 2 is the same as the thickness dimension of the threading member 25.

Upper and lower flanges 2 of such a mounting member 2
A ceiling beam 1 is attached between A and 2B at a right angle to the longitudinal direction of the attachment member 2, and the attachment member 2 and the ceiling beam 1 are welded to each other. In this ceiling girder 1, the height level of both ends 1A (only one end is shown) is higher than the height level of the central part by the thickness dimension of the through member 25, and also in FIG. As shown, the both end portions 1A are a rectangular tubular first beam member 4 having a closed cross section, and the central portion 1B is a second beam member having a closed cross section that is slightly larger than the first beam member 4. Has been done. The first beam member 4 is fitted inside the second beam member 5 and connected to each other.
The first and second beam members 4 and 5 are made of metal and are formed by bending. Specifically, it is formed by roll forming of a thin strip steel (so-called light iron), and as the thin strip steel, for example, 0.
A plate having a thickness of about 4 to 0.5 mm is used.

The upper surface 4A and the lower surface 4B of the first beam member 4 are provided with engaging grooves 4C which are continuous in the longitudinal direction of the first beam member 4 and are depressed inward, and both side surfaces 4D are elongated in the longitudinal direction. A stopper 7 is provided on the way. The stopper 7 is formed, for example, by cutting and raising a part of each side surface 4D toward the outside, and the first beam member 4 stops at a predetermined position while the second beam member 5 is being fitted. It is like this. Thereby, the positioning of the first beam member 4 with respect to the second beam member 5 in the fitting direction is performed.

On the other hand, both side surfaces 5A of the second beam member 5 are provided with fitting grooves 5B which are recessed inward and continuous in the longitudinal direction of the second beam member 5. In such first and second beam members 4 and 5, the outer width dimension of the first beam member 4 is the second
The inner width dimension of the beam member 5 is substantially the same, and the outer height dimension of the first beam member 4 is the upper portion 5C of the fitting groove 5B inside the second beam member 5.
It is almost equal to the inner height from. The fitting groove 5B is provided so that the height level of the upper portion 5C is the same as the height level of the upper surface of the threading member 25.

That is, the outer surface of the first beam member 4 is press-fitted into the second beam member 5 while being in contact with the upper portion 5C of the fitting groove 5B of the second beam member and the inner surface above the fitting groove 5B. Has been done. Then, when the first beam member 4 is fitted, a step is formed between the lower surface 4B of the first beam member 4 and the lower surface 5D of the second beam member 5 by the thickness dimension of the threading member 25. The end portion of the first beam member 4 is attached to the attachment member 2 described above.

By the way, as also shown in FIG. 4, at the portions of the mounting member 2 that come into contact with the upper surface 4A and the lower surface 4B (not shown in FIG. 4) of the first beam member 4, the projecting portions 6 projecting downward and upward. The protrusions 6 are engaged with the engagement grooves 4C of the first beam member 4 to position the first beam member 4 and the mounting member 2.

According to this embodiment, the following effects can be obtained. That is, since the ceiling girder 1 is made of metal, it is possible to form the ceiling girder with a member replacing wood. Further, both end portions and the central portion of the ceiling beam 1 are formed of a rectangular beam-shaped first beam member 4 and a second beam member 5 having different cross-sectional sizes, and these first and second beam members 4, Since the steps corresponding to the thickness dimension of the threading member 25 can be secured only by fitting the 5 to each other, troublesome work such as notch work can be eliminated, and the step for attaching the threading member 25 can be easily formed. be able to.

Since the first and second beam members 4 and 5 have a closed cross section, the rigidity can be increased as compared with the case where a member having no closed cross section such as a groove type is used. The strength of the ceiling beam 1 can be improved.

Further, by engaging the engaging groove 4C of the first beam member and the projecting portion 6 of the mounting member 2, the first beam member 4 and the mounting member 2 can be easily positioned.

Further, since the fitting groove 5B is provided at a position corresponding to the thickness dimension of the threading member 25, the first beam member 4 is provided.
Since the first and second beam members 4 and 5 are positioned in the vertical direction with each other only by fitting the first beam member 4 and the second beam member 6 in contact with the fitting groove 5B, A step corresponding to the thickness dimension is formed on the lower surface 4B of the first beam member 4 and the second beam member 5
Can be easily and reliably formed at the boundary with the lower surface 5D.

The first beam member 4 is replaced by the second beam member 5
Since they are connected to each other only by press-fitting into them, tedious joining means such as rivets or welding can be eliminated, and the connecting work can be easily performed.

Further, since the stoppers 7 are provided on both side surfaces 4D of the first beam member, the first beam member 4 is stopped at a predetermined position by the stopper 7 during the fitting to the second beam member 5. The positioning of the first beam member 4 in the fitting direction with respect to the second beam member 5 is performed simply by setting the first beam member 4 to the second beam member 5.
It suffices to fit it to and it can be easily positioned.

Further, since the ceiling beam 1 is made by bending a thin strip rope, it is light in weight and requires less material costs, processing costs, and the like, and the cost can be reduced. .

Since the engaging groove 4C and the fitting groove 5B of the first and second beam members 4 and 5 are continuously provided along the longitudinal direction, the engaging groove 4C and the fitting groove 5C are formed. 5B can be simultaneously formed at the time of bending the thin strip, that is, at the time of forming the outer shapes of the first and second beam members 4 and 5, and the work efficiency can be improved.

The present invention is not limited to the above-described embodiment, but includes the following modifications as long as the object of the present invention can be achieved. For example, in the above embodiment, the ceiling girder 1 is formed into a rectangular tube shape having a closed cross section by bending a thin strip, but the invention is not limited to this. It may be a beam. In the present invention, in short, it is made of metal, and
Anything that replaces the traditional wooden ceiling beams will do. However, it is desirable to make the ceiling girder into a rectangular tube shape having a closed cross section because the rigidity can be increased.

Further, in the above embodiment, the stopper 7 is provided on the first beam member 4, but such a stopper may be provided on both side surfaces 5A of the second beam member. Then, in this case, the stopper is formed by being cut and raised toward the inside of the second beam member, and the end of the first beam member 4 on the side opposite to the mounting member 2 contacts the stopper. By contacting, the positioning of the first beam member 4 is performed. However, such a stopper is not essential to the present invention, and can be appropriately omitted when implementing the present invention. However, the provision of the stopper is preferable because the above-mentioned effect can be obtained.

Further, in the above-mentioned embodiment, the fitting groove 5B which is continuous on both side surfaces 5A of the second beam member 5 along the longitudinal direction.
Is provided, and the first beam member 4 is formed by utilizing these fitting grooves 5B.
Was press-fitted, but, for example, the first beam member may be simply fitted to the second beam member without press-fitting, and then the first beam member and the second beam member may be connected to each other by rivets or the like. However, in particular, when the second beam member 5 is formed by bending a thin strip, the fitting groove 5B can be formed at the same time, which is desirable.

Further, in the above embodiment, the engaging groove 4C is used.
Was also provided continuously on both side surfaces 4A of the first beam member 4 along the longitudinal direction, but it is not particularly necessary to provide continuously.
It may be a dot-shaped depression or the like corresponding to the protrusion 6 of the mounting member 2. However, as described above, the first beam member 4
Is formed by bending a thin strip, the fitting groove 4C can be formed at the same time, which is desirable.

In the above embodiment, the bracket 3
A front bent portion 3A is formed on the front bent portion 3A.
Although the mounting member 2 is mounted on A and the ceiling beam 1 is mounted on this mounting member 2, it is not limited to this. For example, the front bent portion 3A may not necessarily be provided, and the mounting member 2 itself may not necessarily be provided.
May be directly attached to the bracket on which the front bent portion is not formed. In short, the ceiling beam of the present invention is
It is composed of two first beam members forming both end portions and a second beam member forming a central portion, and these first beam members are second
Any structure may be used as long as it is fitted to the beam member and connected to each other, and the mounting structure with the bracket and the like are arbitrary.

[0035]

As described above, according to the present invention, since the ceiling beam is made of metal, it is possible to form the ceiling beam with a member that replaces wood, and at the same time, the both ends and the central portion of the ceiling beam can be formed. And a second beam member having a rectangular tubular shape having different cross-sectional sizes, and the steps corresponding to the thickness dimension of the threading member are formed by simply fitting the first and second beam members to each other. Therefore, even if the ceiling beam is made of metal, there is an effect that a step for attaching the threading member can be easily formed by omitting a troublesome work such as a notch work.

[Brief description of drawings]

FIG. 1 is a side sectional view showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a perspective view showing a main part of the present embodiment.

FIG. 4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is a perspective view showing a conventional building unit.

FIG. 6 is an exploded perspective view showing a ceiling panel, a floor panel, and a gable panel which constitute a conventional building unit.

FIG. 7 is a side cross-sectional view showing a main part of a ceiling beam mounting structure in a conventional building unit.

[Explanation of symbols]

 1 Ceiling Beam (Made of Light Iron) 1A Both Ends 1B Intermediate Part 2 Mounting Member 3 Bracket 4 First Beam Member 5 Second Beam Member 6 Projection 7 Stopper 10 Building Unit 11 Ceiling Panel 14 Long Side Ceiling Beam 25 Through Material

Claims (5)

[Claims] 1. A building unit that constitutes a unit-type building is provided with a ceiling panel, and the ceiling panel is provided with two parallel long side ceiling beams facing each other and a bracket interposed between these long side ceiling beams. Is formed by including a plurality of ceiling beams that are attached by
A through member for attaching the ceiling surface material of the building unit, and the lower surface thereof has the same height as the lower surface of the long side ceiling beam,
Also, in a building unit mounted in a direction orthogonal to the ceiling beam, in which the height level of both ends of the ceiling beam is higher than the height level of the central portion by the thickness dimension of the threading member. A ceiling girder mounting structure for a ceiling panel, wherein each of the ceiling girders is made of metal, and includes two first beam members forming the both ends and a second beam member forming the central part. The first and second beam members are in the shape of a rectangular tube having closed cross sections of different sizes, and each of the first beam members is fitted and connected inside the second beam member. Ceiling beam mounting structure for ceiling panels in a building unit. 2. The ceiling beam mounting structure for a ceiling panel in a building unit according to claim 1, wherein the bracket is provided with a mounting member to which the first beam member is mounted, and the first member of the mounting member is mounted. Protrusions that protrude downward and upward are provided at portions that contact the upper and lower surfaces of the beam member, and portions that correspond to the respective protrusions on the upper and lower surfaces of the first beam member are recessed inward An engagement groove is provided, and each of the protrusions engages with the engagement groove to position the first beam member and the attachment member. Construction. 3. The ceiling beam mounting structure for a ceiling panel in a building unit according to claim 1, wherein both side surfaces of the second beam member are recessed inward and the longitudinal direction of the second beam member. A continuous fitting groove is provided in the first
The ceiling of the building unit, wherein the beam member is press-fitted into the second beam member while its outer surface is in contact with the fitting groove of the second beam member and the inner surface above the fitting groove. Panel ceiling beam mounting structure. 4. The ceiling beam mounting structure for a ceiling panel in a building unit according to claim 1, wherein one of the first beam member and the second beam member has the first and second beam members. A ceiling beam mounting structure for a ceiling panel in a building unit, wherein a stopper for positioning the two beam members in the fitting direction is provided. 5. The ceiling beam mounting structure for a ceiling panel in a building unit according to claim 1, wherein the first and second beam members are formed by bending a thin strip rope. Ceiling beam mounting structure for ceiling panels in a building unit.