JPH0743302Y2 - Ceiling frame structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a ceiling frame structure.

[Conventional technology]

FIG. 9 and FIG. 10 show a part of the ceiling frame structure of the building as seen obliquely from above. This ceiling frame structure is
As shown in FIG. 9, as a suspension device, a plurality of suspension bolts 50 projecting downward from the ceiling slab and a hanger 51 attached to the lower ends of the suspension bolts 50 so as to be vertically adjustable.
Is equipped with. Each hanger 51 is made up of two pieces, large and small, and by fastening them together with a bolt, the ceiling structure material can be fastened and hung at the lower end. In this ceiling frame structure, the supporting member for the ceiling plate is the first supporting member 52 which is the main bar among the structural materials.
, And second and third support members 53, 54, which are crossbars, and are assembled in a lattice shape using these. Each support member 52, 53, 54 has a flange 55 at the lower end,
It has an inverted T-shaped cross section in which a web 57 that rises from the width position and has a rib 56 at the upper end is integrated.
An aluminum or stainless steel material is usually used for the member. The first support members 52 are members that are arranged on the outer sides of the ceiling frame structure to form a four-sided frame or the like, and in the figure, the two adjacent sides are joined together. . These first support members 52, 52 are joined at a right angle. The second support member 53 is the first support member 52 on one side.
To the other first support member 52 and are spaced apart in parallel with each other. The third support member 54 is a short cross bar, and is arranged so as to be perpendicular to the second support member 53. A large number of square frames are formed by a combination of these support members 52 to 54, and ceiling plates 58 ... Are incorporated into the space within the frames by dropping from above. The ceiling plate 58 ... is each supporting member 52 to 54
It is designed to be received by the flange 55 of the.

[Problems to be solved by the device]

By the way, the first support members 52, 5 in the ceiling frame structure
2 As shown in FIG. 9, in the joining method of both members, each end portion of both the first support members 52, 52 is cut at a right angle to the extending direction, and one end surface of one support member 52 is cut. As shown in FIG. 10, the ends of both the first support members 52 and 52 are cut at an angle of 45 °, as shown in FIG. The L-shaped joint 59 is made by abutting these diagonal end faces with each other.
There is a method of joining by fixing with rivets or tapping. Both of these joining methods are methods of joining the first supporting members 52, 52, which are long members, on site, and in particular, in the corner portion of the outer frame, two members are fixed to each other. Since it is necessary to join at an angle, it is troublesome to appropriately cut the joined portion of each member so as to have a predetermined angle, and the joining work itself is very complicated and skilled, and the joining end portion is also required. There was a step between them, and in the case of the one shown in Fig. 10, it was particularly easy to see through. If the step or the transparent portion is formed, the appearance is bad when the joint is viewed from the inside of the room, and a gap is generated between the ceiling plate to be incorporated and the support member, which also causes the appearance to be bad.

In view of the above circumstances, the problem to be solved by the present invention is that the construction work of the corner portion at the site can be eliminated and the ceiling construction can be easily performed, and that the ceiling frame structure should not depend on the skill of the site worker. Regardless of the reason, it is to ensure that the finish is accurate and well-formed.

[Means for Solving the Problems]

In order to solve the above problems, the present invention provides a ceiling frame structure that is assembled in a lattice shape using a support member having a lower end flange that receives a side portion of a ceiling plate and a web that rises from a width position of the flange, The ceiling structure that becomes the corner portion of the outer frame is made of a member different from the ceiling structures at both ends of the corner portion, and the ceiling structure at this corner portion has two members having the same structure as the support member at a predetermined corner. Each one end is obliquely cut at an angle, and the cut inclined surfaces are welded to each other and joined to each other in an L-shape, and both ends of the support member of the ceiling structure at the corner portion of the L-shape are welded. And engaging means capable of engaging with each other at the ends of the supporting members of the ceiling structure on both sides of the corner portion, and the engaging means of each of the ceiling structures. A plate piece extended from the web at the end of the holding member, an insert piece projecting from the surface of the plate piece, a concave engagement groove provided at the tip of the plate piece, and support for each. An insertion port, which is provided on the web inside the plate piece in the longitudinal direction of the member, into which the insertion piece of the mating plate piece is inserted, and a tip of the mating plate piece, which is provided inside the insertion hole, are inserted. And an engagement receiving piece that engages with the engagement groove.

[Action]

If the ceiling structure that will be the corner portion of the outer frame is made of a different material from the ceiling structures on both sides of the corner portion, the manufacturing and assembling of this corner portion ceiling structure can be performed accurately and efficiently at the factory stage. It can be carried out. In particular,
Compared to on-site construction, diagonal cutting of the ends of the two support members, L-shaped assembly by combining the cut slopes, welding of the slopes, and machining of plate pieces that serve as engaging means Can be done much more accurately and efficiently.

Further, since the supporting members are joined to each other in an L shape by welding, the corner connecting fitting is not necessary.

Since both ends of the supporting member of the ceiling structure of the L-shaped corner portion and the ends of the supporting members of the ceiling structure on both sides of the corner portion are provided with engaging means capable of engaging with each other, the construction site It is easy to assemble and install the ceiling structure at the corner portion and the ceiling structures on both sides thereof.

In particular, as the engaging means, a plate piece extended from the web at the end of the support member of each ceiling structure, an insert piece protruding from the surface of the plate piece, and a tip end of the plate piece are provided. Recessed engaging groove, an insertion opening provided in the web inside the plate piece in the longitudinal direction of each support member, and into which the insertion piece of the mating plate piece is inserted, Since there is provided an engagement receiving piece which is provided on the inner side and into which the tip of the mating plate piece is inserted and engages with the engaging groove, each plate piece can be arranged along the web of the mating support member. By simply overlapping and engaging the insertion piece and the insertion opening, and the engagement groove and the engagement receiving piece, respectively, a simple, reliable and strong connection is achieved.

〔Example〕

Hereinafter, the present invention will be described in detail with reference to the drawings showing an embodiment thereof.

1 and 2 partially show an embodiment of a ceiling frame structure according to the present invention. At the corner portion of the outer frame, a ceiling structure A that is preassembled before being carried into the site is used. Other 3 though not shown
The one common to that shown in Fig. 1 is also arranged at one corner. The ceiling structure A includes two members 1,1
It consists of As each member 1, the same member as the support member used for the ceiling structure that constitutes the other part of the ceiling frame structure is used. That is, the flange 3 at the lower end
And a long member having an inverted T-shaped cross section in which a web 5 having a rib 4 at the upper end is integrated, and specifically,
As shown in FIG. 2, an aluminum or stainless steel plate material is formed by drawing or pressing. As shown in FIG. 1, one end of each member 1 is obliquely cut at 45 ° in the direction of extension to form a joint portion 2, and the portion near the other end has a vertically elongated insertion port 6 And the engagement receiving piece 7 in the shape of a knuckle outwardly are provided. A plate piece 8 is provided so as to project from the end of each member 1 on the non-bonding side. These members 1 and 1 are joined by welding at the joint portions 2 and 2 so as to face each other at right angles. The oblique cutting and welding are accurately performed by a jig at the factory stage. An insert piece 9 is provided on each of the plate pieces 8 so as to project outward at a right angle, and
A concave engagement groove 10 is formed at the tip of the plate piece 8. A member 12, which is a main bar, is joined to the ceiling structure A via each plate piece 8. Each member 12 also has a flange 13 and a rib 14 as shown in FIG.
The member 12 has a web 15 and has the same sectional shape as the member 1, but the member 12 is a long member. Details of the member 12 are shown in FIG. That is, the same member 12 is provided with plate pieces 16, 16 at both ends thereof, and each plate piece 16 is formed with an insertion piece 17 and an engagement groove portion 18. Near each end of the main body of the member 12, the insertion port 19 and the engaging receiving piece
20 are formed. The insertion pieces 17, 17 project in opposite directions. The connection between the member 1 and the member 12 (the same applies to the mutual connection between the members 12) is as follows. As shown in FIG. 1, the insertion pieces 9 and 17 of the respective members 1 and 12 are inserted into the insertion openings 6 and 19 of the mating member and the respective engagement groove portions 10 and 1 are formed.
8 is engaged so as to be inserted into the engagement receiving pieces 7 and 20 of the mating member. The crossbar member 2 shown in FIG. 4 or FIG. 5 is located near the longitudinal center of the rib 14 of the member 12.
A plurality of protrusions are provided so that the two and 23 are connected.
That is, the upper protrusion 24, the lower protrusion 25, and the engaging protrusion 26 are the same. Both the upper protrusion 24 and the lower protrusion 25 are integral L-shaped, but the upper protrusion 24 projects downward and the lower protrusion 25 projects upward. The engaging projection 26 is a round projection having a punched shape as shown in FIG. Two sets of these projections 24, 25, 26 are arranged so as to be opposite to each other with respect to the rib surface. By the way, L-shaped bent engaging pieces 27 are integrally provided at the respective ends of the members 22 and 23 engaged with them so as to be bent in opposite directions. The engaging piece 27 is configured such that the upper and lower sides of the base are parallel to each other, a groove 27a is formed in the width of the base, and a protrusion 27b is formed in the lower part of the base. Inclined surfaces 27c and 27d extending obliquely upward from the base are formed at upper and lower ends, and a horizontal plane 27e is further formed from the upper inclined surface 27c.
Another protrusion 27f is formed at the top end. Same engagement piece 2
The manner in which 7 is engaged with each of the projections 24-26 is shown in FIGS. That is, the engagement piece 27 of the member 22 or 23 is fitted between the protrusions 24 and 25 while being tilted about the longitudinal axis of the member so that the protrusion 27f faces slightly downward. The protrusion 27f of the engaging piece 27 is engaged with one side of the upper protrusion 24 so as to be scooped up, and the protrusion 27b.
Engages in such a manner that the lower protrusion 25 falls to one side on the opposite side to the protrusion 27f. The horizontal surface 27e is the upper protrusion 2
4 and the lower side surface 27g of the base portion fits into the lower protrusion 25. The groove 27a is an engaging protrusion 2 protruding from the rib 14.
Engage 6

As described above, the ceiling structure A is assembled in advance at the factory stage before being carried into the site. The ceiling structure A is transported as an L-shaped assembly, carried into the site, and assembled as it is. In the assembly, when the ceiling structure A is supported with the members 12, 12 suspended by the suspension bolts as supporting sides, the ceiling structure A is directly supported by the suspension bolts. If
Alternatively, there is a case where these members 1, 12 and 12 are suspended together.

Although the ceiling frame structure has been described as a type in which all members are connected to each other, it may not be such a connection type. That is, that is the systematic ceiling structure shown in FIGS. 7 and 8. The hatched portion in FIG. 7 is the ceiling structure A, but this ceiling frame structure has the ceiling structure A at the corner portion as an outer frame side as seen in these drawings. First and second members 31 and 32 are arranged, and these members 31 and 32 are suspended by suspension bolts 33 ... A plurality of third members 35, which are main bars, are joined at their ends to spaces in the members 31 and 32 so as to be parallel to the second member 32 and spaced apart from each other by a certain dimension. It is arranged. The ceiling board 36 ... is formed of rock wool material, and the projecting pieces 36a, 36a are provided on the corresponding two sides, and the other two corresponding pieces.
Grooves 36b, 36b are formed on the sides. Each ceiling plate 36 has a flange 37a of a fourth member 37 having an inverted T shape in one groove 36b thereof.
While being inserted, the second member 32 and the third member 35 and the third member 35 are sequentially assembled. The ceiling plate 36 is incorporated into each space in a state where the bending is restricted by the flange 37a.
The projecting pieces 36a, 36a are designed to simply rest on the flange 32a of the second member 32 and the flange 35a of the third member 35 by being dropped. In this case, the fourth member 37 is a crossbar, but is not of a type that is connected to the mating member. As shown in these figures, the ceiling structure A
May be configured so as to be located close to the boundary portion on the plane of the discarded sticking portion X. The discarded sticking portion X includes a horizontal member 43 that is supported by a hanging bolt 41 that passes through the horizontal plate 40 and a hanger 42, and a locking plate 44 that locks the member 43.
The receiving members 45 are supported by the locking plates 44. By these, the ceiling boards 46 ... Are discarded and pasted.

[Effect of device]

Since the ceiling frame structure according to the present invention is configured as described above, the ceiling construction can be facilitated and the ceiling frame structure can be accurately finished regardless of the skill of the site worker. became.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a ceiling frame structure according to the present invention in a main part, FIG. 2 is a sectional view of a supporting member constituting the ceiling frame structure, and FIG. 3 is a corner ceiling structure thereof. FIG. 4 is a perspective view showing a main bar joined to the body, and FIG. 4 is a cross bar 1 joined to the main bar.
FIG. 5 is a perspective view showing one example of another crossbar, FIG. 6 is a sectional view taken along line VI-VI of FIG. 3, and FIG. 7 is a ceiling frame structure according to the present invention. Fig. 8 is a bottom view showing an example of a systematic ceiling structure constructed from the inside of the room, and Fig. 8 is VIII- in Fig. 7.
Fig. 9 is a cross-sectional view taken along the line VIII, Fig. 9 is a perspective view showing an example of a conventional ceiling frame structure, and Fig. 10 is a perspective view showing another conventional example. A ... Corner ceiling structure, 1 ... Member, 2 ... Joined portion

Claims (1)

[Scope of utility model registration request] 1. A ceiling frame structure constructed by using a supporting member having a flange at a lower end portion for receiving a side portion of a ceiling plate and a web rising from an intermediate position in the width direction of the flange, in a grid-like structure, the outer frame of the outer frame structure. The ceiling structure serving as the corner portion is formed of a member different from the ceiling structures on both sides of the corner portion, and the ceiling structure of the corner portion is such that two members having the same structure as the support member have a predetermined corner angle. Each one end is obliquely cut, and the cut inclined surfaces are welded to each other and joined to each other in an L-shape, and both ends of the support member of the ceiling structure of the L-shaped corner portion and the corner portion. And engaging means capable of engaging with the ends of the supporting members of the ceiling structure on both sides of the engaging means, the engaging means being provided at the ends of the supporting members of the respective ceiling structures. A plate piece extended from the Ebb, an insert piece protruding from the surface of the plate piece, a concave engaging groove provided at the tip of the plate piece, and a plate in the longitudinal direction of each supporting member. An insertion slot provided on the web inside the piece into which the insertion piece of the mating plate piece is inserted, and an engagement groove formed by inserting the tip of the mating plate piece provided inside the insertion slot. A ceiling frame structure, comprising: an engagement receiving piece that engages.