JP2015045175A - Ceiling backing material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ceiling backing material which is usable to various ceiling structures commonly and is excellent in versatility.SOLUTION: A ceiling backing material 1 includes: an upper side groove part 2 formed in its upper part; and flange parts 8, 9 formed on both side surface parts respectively. The ceiling backing material 1 can be mounted to a suspension bolt suspended from and held by an upper story floor slab via a metal fitting 6 engaged with the upper side groove part 2, and a ceiling panel can be arranged on the flange parts 8, 9. Thereby, various ceiling structures can be easily constructed.

Description

  The present invention relates to a ceiling base material used for constructing various ceiling structures.

  Conventionally, as a ceiling structure, a grid-type ceiling structure (Patent Document 1) in which a ceiling base material composed of a main bar and a cross bar is framed and suspended from a suspension bolt as a ceiling structure, and a field edge and a field edge frame are framed. There is a conventional ceiling structure that is suspended from a suspension bolt (Patent Document 2).

JP 2007-70978 A JP 2008-248514 A

  However, since various conventional ceiling structures are constructed using dedicated ceiling foundation materials, it is necessary to prepare dedicated ceiling foundation materials for each of the various ceiling structures.

  Then, an object of this invention is to provide the ceiling base material excellent in the versatility which can be used in common with various ceiling structures.

  The invention according to claim 1 is a ceiling base material provided with an upper groove portion formed in an upper portion and flange portions respectively formed on both side surface portions, and through an attachment fitting engaged with the upper groove portion. The ceiling base material can be attached to a suspension member that is suspended and held from the upper floor slab, and a ceiling panel can be disposed on the flange portion.

  The invention of claim 2 is characterized in that a lower groove portion is provided in a lower portion of the ceiling base material, and a membrane member can be constructed by attaching a sheet member to the lower groove portion.

  According to invention of Claim 1, various ceiling structures can be easily constructed | assembled by using the ceiling base material of this invention.

  According to invention of Claim 2, it becomes possible to construct | assemble a membrane ceiling easily.

It is a perspective view which shows one Example of the ceiling base material of this invention. It is a perspective view which shows the state which built the grid type ceiling structure with the ceiling base material same as the above. It is sectional drawing which shows the state which built the grid type ceiling structure with the ceiling base material same as the above. It is a perspective view which shows the state which built the line type ceiling structure with the ceiling base material same as the above. It is sectional drawing which shows the state which built the line type ceiling structure with the ceiling base material same as the above. It is sectional drawing which shows the state which connected the ceiling panel using the ceiling base material same as the above. It is sectional drawing which shows the state which connected the ceiling panel using the H-shaped member same as the above. It is sectional drawing which shows the state which built the conventional ceiling structure with the ceiling base material same as the above. It is sectional drawing which shows the state which constructed | assembled the membrane ceiling with the ceiling base material same as the above. It is sectional drawing which shows the state which has arrange | positioned the net member and the sound-absorbing material to the ceiling structure same as the above. It is sectional drawing which shows the state which has arrange | positioned the sound-absorbing material to the ceiling structure same as the above. It is sectional drawing which shows the state which has arrange | positioned the sound-absorbing material and the fireproof material to the ceiling structure same as the above. It is sectional drawing which shows the state which has arrange | positioned the sound-absorbing material to the ceiling structure by the structure different from FIG. 11 same as the above.

  Preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiments described below do not limit the contents of the present invention described in the claims. In addition, all of the configurations described below are not necessarily essential requirements of the present invention.

  FIGS. 1-13 shows one Example of this invention, The ceiling base material 1 of a present Example is formed in the upper surface part along the longitudinal direction (X direction in a figure) of the ceiling base material 1. FIG. A rail-shaped member made of aluminum by extrusion molding having a substantially H-shaped cross section provided with a lower groove portion 3 formed along the longitudinal direction of the ceiling base material 1 on the lower surface portion. Consists of.

  The opening edge portions 4 and 5 of the upper groove portion 2 and the lower groove portion 3 are formed to be bent inward, and the opening widths P1 and P2 of each groove portion are smaller than the distances P3 and P4 between both side surfaces inside the groove portion. Is formed. Note that the opening edge portion 4 of the upper groove portion 2 has a folded shape formed by being bent at an angle larger than a right angle.

  The intervals P1 and P2 between the opening edge portions 4 and 5 of the upper groove portion 2 and the lower groove portion 3 are formed to be smaller than the width Q on the opening side of the mounting bracket 6 made of a steel plate having a substantially U-shaped cross section. . A screw hole 7 formed by burring is provided on the bottom surface of the mounting bracket 6 on the closed side.

  Flange portions 8 and 9 extending in the horizontal direction are formed on both sides of the lower surface portion of the ceiling base material 1.

  The upper groove portion 2 and the lower groove portion 3 are defined by a partition wall portion 10 formed by connecting intermediate portions of both side surface portions 13 and 14 of the ceiling base material 1 in the horizontal direction.

  In addition, the upper and lower surfaces of the partition wall 10 are formed with concave portions having a curved surface that is symmetrical in the vertical direction. Both the upper groove 2 and the lower groove 3 are formed so that the partition wall 10 becomes closer to the center from both ends. It is formed so that the thickness is gradually reduced.

  Therefore, spaces 11 and 12 are formed between the partition wall 10 and the bottom surface of each mounting bracket 6 in a state where the mounting bracket 6 is engaged with the upper groove 2 and the lower groove 3, respectively. It has become.

  The ceiling base material 1 is provided with a pair of left and right side surface portions 13 and 14, and the vertical dimension H of the side surface portions 13 and 14 is smaller than the lateral dimension W in the cross-sectional direction of the ceiling base material 1. The ceiling base material 1 has a shape strong against horizontal twisting.

  In addition, a plurality of wedge-shaped portions formed along the longitudinal direction of the ceiling base material 1 are provided at locations corresponding to the inner side surface portions of the upper groove portion 2 and the lower groove portion 3 in the side surface portions 13 and 14 of the ceiling base material 1. Concave portions 15 are formed in parallel. Further, a plurality of wedge-shaped concave ridge portions 16 formed along the longitudinal direction of the ceiling base material 1 are also formed in the flange portions 8 and 9 in parallel.

  In the figure, 1A is a connecting groove provided on both side surface portions 13 and 14, and this connecting groove 1 </ b> A is formed by a groove that is recessed in a substantially circular shape along the longitudinal direction of the ceiling base material 1. And it connects the several ceiling base materials 1 and 1 so that there may be no shift | offset | difference in a longitudinal direction via the connection member 1B which consists of a metal wire of the cross-sectional circular shape which can be inserted in this groove part 1A for connection. is there.

  Next, the case where a grid type system ceiling is constructed using the ceiling base material 1 of the present embodiment shown in FIGS. 2 and 3 will be described. As a grid type system ceiling, a ceiling structural frame in which one ceiling base material 1 as a main bar 17 and the other ceiling base material 1 as a cross bar 18 are framed in a substantially lattice pattern at equal intervals. This is a suspended ceiling structure constructed by being suspended and held by suspension bolts 19 suspended from an upper floor slab or the like and suspended from important points. A ceiling panel 20 as a ceiling finishing material made of a plaster board, a panel, or the like is attached to each section of the ceiling structural frame, or various devices such as lighting equipment, air conditioning equipment, and acoustic equipment (see FIG. (Not shown) is installed.

  At the portion where one ceiling base material 1 and the other ceiling base material 1 intersect, the end portions of the flange portions 8 and 9 of the other ceiling base material 1 are formed by notching, so the other ceiling base material 1 Is mounted on the flange portions 8 and 9 of one ceiling base material 1.

  Moreover, in the part which one ceiling base material 1 and the other ceiling base material 1 cross | intersect, you may fix one ceiling base material 1 and the other ceiling base material 1 with the fixing bracket which is not shown in figure. .

  And the ceiling panel 20 is constructed in each partition part by mounting the ceiling panel 20 in the flange parts 8 and 9 of the ceiling base material 1. FIG.

  Further, the mounting bracket 6 is engaged with the upper groove 2 of the ceiling base material 1, the suspension bolt 19 is screwed into the screw hole 7 of the mounting bracket 6, and the ceiling structure frame is suspended and held by the suspension bolt 19. .

  Thus, in the grid type system ceiling using the ceiling base material 1 of the present embodiment, the suspension bolt 19 and the ceiling base material 1 are connected via the mounting bracket 6 to reduce the number of parts and workability. Can be improved.

  Further, the ceiling base material 1 is formed in a substantially H-shaped cross section including a pair of left and right side surface portions 13 and 14, and the vertical dimension H of the side surface portions 13 and 14 is set in the horizontal direction in the cross section direction of the ceiling base material 1. By forming it smaller than the dimension W, the ceiling base material 1 has a shape that is resistant to horizontal twisting, and it is possible to suppress the deformation of the partition section over which the ceiling panel 20 is installed and to prevent the ceiling panel 20 from falling off. .

  Subsequently, a case where a line type system ceiling is constructed using the ceiling base material 1 of the present embodiment shown in FIGS. 4 to 7 will be described.

  As a line-type system ceiling, a ceiling panel 20 connected by a connecting member 22 is installed between the main bars 21 using the ceiling base material 1 arranged in parallel at a predetermined interval as a main bar 21. This is a suspended ceiling structure constructed by suspending and holding the base material 1 on a suspension bolt 19.

  As a connection structure of the ceiling panel 20, one flange portion 8 of the ceiling base material 1 as the connection member 22 or one flange portion 25 of the H-shaped member 24 is formed in the groove portion 23 formed in the side surface portion of the one ceiling panel 20. The other flange portion 9 of the ceiling base material 1 or the other flange portion 26 of the H-shaped member 24 is inserted into the groove portion 23 on the side surface portion of the other ceiling panel 20 to connect the ceiling panels 20 and 20 to each other. ing.

  Then, the plurality of ceiling panels 20 connected via the connecting member 22 are placed on the flange portions 8 and 9 of the ceiling base material 1 of the main bar 21, and the ceiling panel 20 is installed between the main bars 21 and 21. Shall.

  Further, the mounting bracket 6 is engaged with the upper groove portion 2 of the ceiling base material 1 as the main bar 21, and the suspension bolt 19 is screwed into the screw hole 7 of the mounting bracket 6, so that the ceiling base material 1 is suspended. Suspended and held at 19.

  Thus, in the line type system ceiling using the ceiling base material 1 of the present embodiment, the suspension bolt 19 and the ceiling base material 1 are connected via the mounting bracket 6 to reduce the number of parts and workability. Can be improved.

  Further, the ceiling base material 1 is formed in a substantially H-shaped cross section having a pair of left and right side surface parts 13 and 14, and the vertical dimension H of the side surface parts 13 and 14 is set in the horizontal direction in the cross sectional direction of the ceiling base material 1. By forming the ceiling base material 1 smaller than the dimension W, the ceiling base material 1 has a shape that is resistant to horizontal twisting, and the deformation of the main bar 21 on which the ceiling panel 20 is laid is suppressed, and the ceiling panel 20 is prevented from falling off. it can.

  Next, a case where a conventional ceiling structure is constructed using the ceiling base material 1 of the present embodiment shown in FIG. 8 will be described.

  The conventional conventional ceiling structure is a suspension bolt that is suspended from an upper floor slab, etc. It is a suspended ceiling structure constructed by being held suspended. A ceiling panel is fixed to the lower part of the field edge with screws or the like.

  In the conventional ceiling structure of this embodiment, the mounting bracket 6 is engaged with the upper groove 2 of the ceiling base material 1 and the suspension bolt 19 is screwed into the screw hole 7 of the mounting bracket 6 so that they are parallel to each other. A ceiling structural frame made up of a plurality of ceiling base materials 1 arranged on the ceiling is suspended and held by a suspension bolt 19. The ceiling panel 20 is fixed to the lower portions of the flange portions 8 and 9 with screws 27 or the like.

  Thus, in the conventional ceiling structure using the ceiling base material 1 of the present embodiment, the suspension bolt 19 and the ceiling base material 1 are connected via the mounting bracket 6 to reduce the number of parts and work. It is possible to improve the performance.

  Next, a case where a membrane ceiling is constructed using the ceiling base material 1 of this embodiment shown in FIG. 9 will be described. In the membrane ceiling of the present embodiment, the mounting base 6 is engaged with the upper groove portion 2 of the ceiling base material 1, the suspension bolt 19 is screwed into the screw hole 7 of the mounting base 6, and the ceiling base material 1 is suspended. Suspend and hold on the bolt 19. Then, the mounting bracket 6 is engaged with the lower groove 3, the male screw member 28 is screwed into the screw hole 7 of the mounting bracket 6, and the male screw member 28 is attached to the lower surface portion of the ceiling base material 1. The sheet member 29 is inserted into the male screw member 28 mounted on the lower surface portion of the ceiling base material 1, and the sheet member 29 is attached to the ceiling base material 1 via the male screw member 28 and the nut 30. In this way, the membrane ceiling by the sheet member 29 is laid on the lower surface portion of the ceiling base material 1. Here, the sheet member 29 is a sheet material made of a material such as resin or cloth. The membrane ceiling of this example has a sheet member 29 that can follow the deformation of the building, is less affected by moisture absorption, can receive dew condensation and falling objects from the back of the ceiling, and has a curved surface shape so that it is visually safe. A feeling can be produced.

  As shown in FIG. 10, it is possible to install a net member 31 penetrating the suspension bolt 19 on the upper surface of the ceiling base material 1 and to stretch the net member 31 between the plurality of ceiling base materials 1 and 1. It is.

  The net member 31 is not limited to a net made of synthetic resin such as a polyethylene net, a nylon net or a polyester net, a net made of a natural material such as a wire net or a net made of cotton yarn, or a combination thereof. Is possible. In addition, as a net made of synthetic resin, as a so-called flameproof net such as a polyethylene net or a polypropylene net that has flame retardancy and conforms to the performance specified by various laws and regulations such as the Building Standard Law and the Fire Service Law Shall.

  In the present embodiment, a sound absorbing material 32 or a fireproof material such as a gypsum board is disposed on the net member 31. Examples of the sound absorbing material 32 include glass wool, polyurethane foam, rubber / rubber sponge, polyethylene foam, foam cushioning material, felt, cork, and the like, but any other material having sound absorbing properties can be appropriately changed.

  By arranging the sound absorbing material 32 on the net member 31 and installing it on the ceiling base material 1 independently of the ceiling panel 20 in this way, the sound absorbing material 32 is prevented from falling off due to the falling of the ceiling panel 20. can do.

  In addition, the net member 31 can be used separately from the sound absorbing material 32. In this case, the falling object comes into contact with the ceiling panel 20 by receiving the falling object from the back of the ceiling with the mesh member 31, and the ceiling panel 20 20 can be prevented from falling off.

  Further, as shown in FIG. 11 and FIG. 12, a construction member 33 that can be installed between the ceiling base materials 1 and 1 is provided, and a sound absorbing material 32 or a fireproof material 34 such as a plaster board is placed on the construction member 33. Also good. Here, the erection member 33 includes fixing portions 36 at least at both ends of the mounting portion 35 formed flat.

  The fixed portion 36 includes an upright portion 37 in which one end of the mounting portion 35 is raised substantially vertically, a horizontal plane portion 38 in which the upper end of the upright portion 37 is bent horizontally outward, and a tip of the horizontal plane portion 38 facing downward. And a bent locking portion 39.

  Note that the erection member 33 is not limited to a net member such as a wire net, a member obtained by assembling a wire such as a metal, a member formed by bending a resin molded product or a metal plate, or a combination thereof.

  The usage method of the above-described erection member 33 will be described. With the locking portion 39 inserted into the upper groove portion 2, the horizontal surface portion 38 is brought into contact with the opening edge portion 4, and the fixing portion 36 is moved to the upper groove portion 2. Fixing is performed in the locked state, and the erection member 33 is installed between the ceiling base materials 1 and 1. Subsequently, the sound absorbing material 32 or a fireproof material 34 such as a gypsum board is placed on the placement surface 35. Here, when the sound absorbing material 32 is mounted on the mounting surface 35, the ceiling panel 20 is fixed to the flange portions 8 and 9 with screws 27 or the like. In addition, when the sound absorbing material 32 and the fireproof material 34 are placed on the placement surface 35 so that the fire from the back of the ceiling is stopped by the fireproof material 34, the flange portions 8 and 9 other than the ceiling panel 20, for example, resin The ceiling decorative material 40 made of a non-refractory material such as a sheet material made of a material such as made of cloth or cloth, a thin plate member made of a lightweight material such as plastic, glass cloth material, non-ferrous metal such as aluminum, etc., is made of screws 27, etc. It may be fixed.

  Further, as a modification of the fixing portion 36 in the erection member 33 shown in FIG. 13, a screw hole 41 by burring is provided in the horizontal surface portion 38, and a bolt 42 screwed into the screw hole 41 of the horizontal surface portion 38 is provided in the upper groove portion 2. The installation member 33 may be screwed into the screw hole 7 of the engaged mounting bracket 6 to fix the erection member 33 to the upper groove portion 2 via the coupling bracket 6. Instead of the screw hole 41, a through portion into which the bolt 42 can be inserted may be used.

  As described above, by using the ceiling base material 1 of the present embodiment, various ceiling structures such as a grid type, a line type, a conventional type, and a membrane ceiling can be easily constructed.

  Also, when screwing the screw 27 or the like, if the screw 27 is screwed by placing the tip of the screw 27 or the like against the concave portions 15 and 16, the tip of the screw 27 or the like can slide on the surface of the ceiling base material 1. And can be easily screwed through the screw 27 or the like.

  Furthermore, the opening edge portion 4 of the upper groove portion 2 has a folded shape formed by being bent at an angle larger than a right angle, so that the opening edge portion 4 of the upper groove portion 2 and the mounting bracket 6 are connected to each other. Engagement is strong, and the ceiling base material 1 can be prevented from falling off the mounting bracket 6.

  As described above, the ceiling base material 1 includes the upper groove portion 2 formed in the upper portion and the flange portions 8 and 9 respectively formed on both side surface portions, and is engaged with the upper groove portion 2. The ceiling base material 1 can be attached to a suspension bolt 19 as a suspension member suspended from an upper floor slab via a mounting bracket 6 and a ceiling panel 20 is disposed on the flange portions 8 and 9. Make it possible.

  In this case, various ceiling structures can be easily constructed by using the ceiling base material 1 of the present embodiment.

  In addition, since the lower groove portion 3 is provided in the lower part of the ceiling base material 1 and a sheet member 29 is attached to the lower groove portion 3 so that the membrane ceiling can be constructed, the membrane ceiling can be easily constructed. It becomes.

  The present invention is not limited to the above embodiments, and various modifications can be made within the scope of the gist of the present invention.

DESCRIPTION OF SYMBOLS 1 Ceiling base material 2 Upper groove part 3 Lower groove part 6 Mounting bracket 8 Flange part 9 Flange part
19 Suspension bolt (hanging member)
29 Sheet material

Claims (2)

An upper groove formed in the upper part;
A ceiling base material provided with flange portions respectively formed on both side surface portions,
Through a mounting bracket engaged with the upper groove,
The ceiling base material can be attached to a suspension member suspended from an upper floor slab,
A ceiling base material capable of arranging a ceiling panel on the flange portion. A lower groove is provided at the bottom of the ceiling base material,
The ceiling base material according to claim 1, wherein a membrane ceiling can be constructed by attaching a sheet member to the lower groove portion.

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