JP4274472B2 - Plastic ceiling - Google Patents

Description

  The present invention relates to a ceiling material configured by combining at least one component member and the other component member, and mainly relates to a plastic ceiling material that constitutes a ceiling of a bathroom.

Japanese Unexamined Patent Publication No. 2003-160996 discloses a plastic ceiling material formed by connecting a pair of constituent members in a butted manner. Japanese Patent Laid-Open No. 2002-327511 discloses a configuration in which a window for inspection work or the like is provided on the ceiling material and an opening / closing lid that is closed after the work is provided.
JP 2003-160996 A JP 2002-327511 A

  The ceiling material described in the above-mentioned Patent Document 1 has a structure that is connected to each other in a butted manner, and has a concavo-convex fitting structure on the abutting end surface. Therefore, the workability at the construction site is not so good. Moreover, in the ceiling material described in the above-mentioned Patent Document 2, the work window is provided with an opening / closing lid, but since the opening / closing lid has a drop lid shape, the opening / closing lid is opened. However, it was pointed out that it would be difficult to leave the ceiling.

  Therefore, the present invention provides a projecting piece part of one constituent member or a step part of the other constituent member, even if it is a ceiling member configured by combining a pair of constituent members, all or part of each other. By adopting a joining structure by joining inclined surfaces, the construction of connecting the projecting piece part of one constituent member and the step part of the other constituent member can be easily and accurately performed. To provide a plastic ceiling material in which a string hole for passing a string is provided, and an opening / closing lid can be freely opened and closed by a string by connecting the string hole to the string hole. It is intended.

The plastic ceiling material according to claim 1 of the present invention for achieving the above object is a combination of at least a pair of constituent members having a hollow double wall structure in which a part or the whole of the hollow portion is filled with a foam material. A plastic ceiling material that is constructed and blow-molded, and a protrusion corresponding to the bonding surface of the other component member is formed on the bonding surface of one component member so that the pair of component members are bonded in an overlapping manner. One part is formed, and a step part corresponding to the protruding piece part is formed on the joint surface of the other component member, and one component member is provided with an open / close lid of a hollow double wall structure having a hollow part . It has a working window, and is characterized in that a string hole through which a string passes is provided in advance on the left and right front ends of the projecting piece of one component member and on the left and right front ends of the opening / closing lid , respectively.

  The plastic ceiling material according to claim 2 of the present invention is the structure according to claim 1, wherein one component member and the other component member are each formed by blow molding, and the top surface and both side surfaces connected to the top surface are formed. The joining surface of one constituent member and the other constituent member is formed in a bent shape from the top surface to both side surfaces.

  The plastic ceiling material according to claim 3 of the present invention is the structure according to claim 1 or 2, wherein the plastic ceiling member is connected to the string hole of one component member and the string hole of the opening / closing lid through a string, and is opened and closed with respect to the one component member. The lid is connected by a string so as to be freely opened and closed.

According to a fourth aspect of the present invention, in the plastic ceiling material according to the first, second, or third aspect , the joining structure of the one component member and the other component member is formed on the protruding piece portion of the one component member. It is composed of a solid part having an inclined surface and a bulging part having an inclined surface formed in a step portion of the other component member, and the inclined surfaces are joined to each other It is.

According to the present invention, the front end left and right protruding portions of the hand of the constituent members in a part or whole of the hollow portion in the hollow double-walled structure foam is filled, the hollow double-walled structure having a hollow portion Since there are pre- installed string holes on the left and right sides of the front end of the open / close lid, a string hole has been newly added to one of the components that have a hollow double wall structure and the open / close cover in a narrow work site behind the ceiling. It is easy to work on site because it does not require the difficult cutting work to be opened, and by connecting the string through the string holes on the left and right front ends of the projecting piece of one component and the string holes on the left and right front ends of the opening / closing lid The opening / closing lid can be connected to one of the components in a stable manner by a string so that the opening / closing lid can be opened and closed. Therefore, even if the opening / closing lid is opened, it does not move carelessly to a position where it cannot be reached. , I won't leave my position with a string , Do not be troubled on the work when closing the opening and closing lid.

The drawings illustrate the construction of a ceiling wall of a bathroom as a plastic ceiling material according to the present invention. Figure 1 is a perspective view showing an aspect before connecting against a pair of components, FIG. 2 is a sectional view taken along A-A of FIG. 1, FIG. 3 is sectional view taken along line B-B of FIG. 6, FIG. 4 of FIG. 1 CC sectional view, FIG. 5 is a partial detailed perspective view, and FIG. 6 is another detailed perspective view.

  As shown in FIG. 1, the plastic ceiling material according to the present invention is configured by abutting a pair of constituent members and connecting the butted surfaces to each other. That is, 1 is one constituent member, 2 is the other constituent member, and the one constituent member 1 and the other constituent member 2 are substantially bilaterally symmetric.

  One component member 1 and the other component member 2 are joined to each other on the joining surface 3 of one component member 1 so as to be joined in an overlapping manner. And a step portion 6 corresponding to the protruding piece portion 5 is formed on the joint surface 4 of the other component member 2. And the projection part 7 for height adjustment is formed in the step part 6 of the other structural member 2.

  One constituent member 1 and the other constituent member 2 are formed by blow molding a thermoplastic resin, and the one constituent member 1 and the other constituent member 2 are the top surface 8 and both side surfaces 9 connected to the top surface 8. The joint surfaces 3 and 4 of one component member 1 and the other component member 2 are formed in a bent shape from the top surface 8 to both side surfaces 9. A plurality of protrusions 7 for height adjustment are formed at substantially equal intervals on the step 6 formed in a bent shape. The protrusion 7 for height adjustment is formed on the step portion 6 at the time of blow molding.

  The joining structure of one constituent member 1 and the other constituent member 2 includes a solid portion 10 having an inclined surface formed on the protruding piece portion 5 of one constituent member 1 and a step portion 6 of the other constituent member 2. It is comprised with the bulging part 11 which has the formed inclined surface. The solid portion 10 and the bulging portion 11 are provided in a pair of left and right or at an appropriate interval. Reference numeral 12 is a work window, and 13 is an opening / closing lid. One constituent member 1 and the other constituent member 2 have the protruding piece portion 5 and the stepped portion 6 fitted to each other, and the solid portion 10 and the bulging portion 11 are fixed with screws.

As shown in FIGS. 2 to 6, the opening / closing lid 13 that opens and closes the working window 12 of one component member 1 has string holes 14 and 14 formed on the left and right of the front end thereof. Are formed with string holes 15 on the left and right of the front end. The open / close lid 13 has a hollow double wall structure, and 13a is the hollow portion. The string holes 14 and 14 of the opening / closing lid 13 and the string holes 15 and 15 of the pair of component members 1 are connected through the string 16, and the opening / closing lid 13 is not detached from the pair of component members 1 by the string 16, And it is connected to open and close. Therefore, even if the opening / closing lid 13 is opened, it does not carelessly move to a position where it cannot be reached, and the string 16 does not move away from a nearby position, so there is no problem when closing the opening / closing lid 13. Reference numeral 17 denotes a hollow portion . The opening / closing lid 13 may be inserted or welded with a string 16 instead of providing the string holes 14 for passing the string.

  As shown in FIG. 4, one component member 1 and the other component member 2 have a hollow double wall structure, and the hollow portion 17 is filled with a foam material in part or in its entirety (about the foam material). Is omitted). Foaming materials include inert gas mixing (gas mixing method), foaming agent decomposition method, solvent diffusion method, polyethylene resin, polypropylene resin, ethylene vinyl acetate copolymer resin, acrylic resin foamed by chemical reaction or steam heating. Resin, polyvinyl chloride resin, polystyrene resin, ABS resin, modified polyphenylene oxide resin, polyurethane resin, nylon resin, phenol resin, urea resin, etc., among which polyethylene resin, polypropylene resin, polyvinyl chloride resin, polystyrene It is preferable to weld both of them by steam heating using foamed beads which are foamed or incompletely foamed granular materials such as resin and modified polyphenylene oxide resin.

  The plastic ceiling material according to the present invention can be molded to a required size, but usually the size is 1200 × 1600 (mm), 1600 × 1600 (mm), 1600 × 2000 (mm).

As the resin constituting the plastic ceiling material according to the present invention, a plastic having a rigidity with a tensile modulus of elasticity of 7000 kg / cm ² or more is preferable, and a high density polyethylene resin, a medium density polyethylene resin, a polypropylene resin, a polyamide resin, a polyethylene It is a thermoplastic resin having excellent rigidity such as terephthalate resin, polybutylene terephthalate resin, polystyrene resin, ABS resin, polycarbonate resin, modified polyphenylene oxide resin, or a blend thereof.

  In the plastic ceiling material according to the present invention, even if it is a ceiling material configured by combining a pair of structural members, the protruding piece portion 5 of one structural member 1 or the step portion 6 of the other structural member 2. Since the whole circumference or part of them has a joining structure formed by joining the inclined surfaces to each other, when one component member 1 and the other component member 2 are connected, only one member is pressed in the connecting direction. Construction for connecting the projecting piece 5 of the component 1 and the step 6 of the other component 2 can be performed simply and accurately. Further, the one structural member 1 and the opening / closing lid 13 are provided with string holes 14 and 15 through which the string 16 is passed, respectively, and the opening / closing lid 13 is attached to the one structural member 1 through the string 16 through the string holes 14 and 15. Since the string 16 can be freely opened and closed, even if the opening / closing lid 13 is opened, it does not move to a position where it is difficult to reach, and there is no problem in workability.

FIG. 1 is a perspective view showing a state before constructing a ceiling wall of a bathroom as a plastic ceiling material according to the present invention and connecting a pair of constituent members to each other. It is AA sectional drawing of FIG. It is a B-B sectional view of FIG. It is CC sectional drawing of FIG. It is a one part detailed perspective view. It is a detailed perspective view of another part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 One component member 2 The other component member 3 Joining surface 4 Joining surface 5 Projection piece part 6 Step part 7 Projection part for height adjustment 8 Top surface 9 Both side surface 10 Solid part 11 Swelling part 12 Working window 13 Opening / Closing Lid 13a Hollow Part 14 String Hole 15 String Hole 16 String 17 Hollow Part

Claims (4)

It is a plastic ceiling material which is configured by combining at least a pair of structural members in which a foam material is filled in a part or the whole of a hollow part with a hollow double wall structure, and is blow molded ,
As the pair of component members are joined in a superposed manner, a protruding piece corresponding to the joint surface of the other component member is formed on the joint surface of one component member,
A step portion corresponding to the protruding piece portion is formed on the joint surface of the other component member,
One component has a working window with an open / close lid of a hollow double wall structure having a hollow portion ,
The front left and right of the front end left and right lid protrusion segment of one of the components, the plastic ceiling material, characterized in that each is provided in advance Himoana through the cord. One component member and the other component member are each formed by blow molding,
It has its top surface and both sides connected to the top surface,
2. The plastic ceiling material according to claim 1, wherein a joining surface of one constituent member and the other constituent member is formed in a bent shape from the top surface to both side surfaces.   3. The plastic according to claim 1, wherein a string hole is connected to a string hole of one component member and a string hole of the opening / closing lid, and the opening / closing lid is connected to the one component member by a string so as to be freely opened and closed. Ceiling material. The joining structure of one component member and the other component member has a solid portion having an inclined surface formed on the protruding piece portion of the one component member and an inclined surface formed on the step portion of the other component member. 4. The plastic ceiling material according to claim 1, wherein the plastic ceiling material is formed of a bulging portion and joins the inclined surfaces to each other .

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