JPH0687521U - Ceiling base structure for fastening ceiling boards - Google Patents

Abstract

(57) [Summary] [Purpose] The unique structure that constrains all the peripheral parts of the ceiling board prevents cracks on the paint surface at the board seam that is applied to the entire surface of the ceiling board, and makes the seam inconspicuous for a long time. In addition, it is possible to omit or reduce joint processing such as putty processing for the seam at the end of the ceiling board. [Structure] The first member 7 for fastening the ceiling board is suspended from the ceiling slab 2 at a pitch of a dimension between two opposing sides of the ceiling board 1, and the second member 1 for fastening the ceiling board is arranged.
1 is elastically fitted and held over the rising hooks c, c of the adjacent first members 7 at a pitch of the dimension between the two opposite sides of the ceiling board 1, and the first and second members 7, 1
The lower surface of the ceiling board 1 is flush, and the peripheral portion of the ceiling board 1 is fixed to the lower surface with screws i.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a structure of a ceiling base for fixing a ceiling board in a state where end portions are butted.

[0002]

[Prior art]

 The structure of the conventional ceiling substrate in which the ceiling boards are butted and fixed to each other is as shown in FIGS. That is, the suspension bolt 4 is attached to the insert metal fitting 3 of the ceiling slab 2, and the suspension 5 on the lower side of the bolt 4 has a dimension between two opposite sides of the ceiling board 1 (for example, a dimension in the longitudinal direction). ) The base material 6 is provided at a pitch of), and the ceiling board is attached to the adjacent base material 6 at a pitch of the other two sides of the ceiling board 1 which face each other (for example, the widthwise dimension). The first fastening member 14 is attached, and further the second fastening member 15 for fastening the ceiling board is attached to the base material 6 in a state in which the first fastening members 14 and 14 are positioned at an equal pitch. There is.

The ceiling board 1 is attached to the first and second fastening members 14, 15 with tapping screws i, for example, in a state in which the butt joints of the widthwise end portions are located in the middle of the first fastening member 14 in the width direction. As shown in the enlarged view of Fig. 10, for the butt seam of the longitudinal direction end where the board support member does not exist on the upper surface side, the corner of the seam of the ceiling board 1 is chamfered. Putting the putty 16 on the inside, covering the putty side with a mesh 17 of synthetic fiber, and then painting 12 on the entire surface of the ceiling board 1 to form a seamless ceiling.

[0004]

[Problems to be solved by the device]

 However, as described above, the butt joint at the longitudinal end of the ceiling board 1 does not have a support member for restraining the board end on the upper surface side thereof, so that, for example, air pressure pulsating air pressure or door Due to the wind pressure caused by the opening and closing of the ceiling, the ceiling boards 1 and 1 slightly vibrate so that the ceiling boards 1 and 1 are displaced from each other at the abutting seams at the longitudinal ends, which causes cracks on the painted surface of the board seams. There was a problem that it looked bad in a short period of time.

The present invention has been made in view of the above circumstances, and it is possible to prevent cracks on the painted surface at the butt joint by a simple structural improvement that restrains the peripheral portion of the ceiling board. The purpose of the invention is to provide a ceiling base structure.

[0006]

[Means for Solving the Problems]

 In the ceiling substrate structure according to the present invention which has achieved the above object, the first member for fastening the ceiling board having the rising hooks formed on both sides in the width direction is provided between the two opposite sides of the ceiling board. Suspended and placed on the ceiling slab at the pitch of the dimension, and the second member for fastening the ceiling board is elastic at the pitch of the dimension between the two opposite sides of the ceiling board over the rising hook of the adjacent first member. The characteristic feature of the construction is that the lower surfaces of the first and second members are flush with each other and the peripheral portions of the ceiling board are screwed to the lower surfaces.

[0007]

[Action]

 That is, the first and second members for fastening the ceiling board are arranged so that the lower surfaces are flush with each other and arranged in a lattice pattern at a dimensional pitch in the longitudinal direction and the width direction of the ceiling board. The peripheral portion of the ceiling board is fixed to the lower surface of the second member with screws, whereby the upper surface side of the abutting end portion of the ceiling board is entirely restrained by the first and second members.

[0008]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. Fig. 1 shows the ceiling as seen from the inside of the room, and Figs. 4 and 5 show the main part of the ceiling base structure, and the ceiling board 1 used here has, for example, a lengthwise dimension of 1800 mm and a widthwise dimension of 900 mm. The ceiling base structure is a structure in which the ends of the ceiling board 1 are abutted against each other and fixed.

In these drawings, reference numeral 2 in the drawings denotes a ceiling slab, and for example, insert metal fittings 3 are regularly embedded at predetermined positions in the vertical and horizontal directions at a pitch of the width dimension of the ceiling board 1. The embedding position of the insert metal fitting 3 is located at a position apart from the designed arrangement position of the ceiling board 1 in the longitudinal direction of the board from the corner portion of the ceiling board 1, for example, by a half of the widthwise dimension of the board 1. It is set.

Reference numeral 4 is a suspension bolt screwed to the insert fitting 3, and a U-shaped suspension 5 is provided on the lower side in a side view. Reference numeral 6 is a base material made of a lightweight steel frame having a C-shaped cross section, which is locked to the suspender 5 in the width direction of the ceiling board 1, and the embedding position of the insert metal fitting 3 is set as described above. The base material 6 is arranged on both sides of the butt joint at the longitudinal end of the ceiling board 1 arranged by design.

Reference numeral 7 denotes a first member for fastening the ceiling board, which is located at a butt joint of the widthwise ends of the ceiling board 1 arranged in design, that is, a dimension in the width direction of the ceiling board 1. Are provided over the adjacent ones of the base material 6 via the clip 8 at a pitch of. Reference numeral 9 denotes a ceiling board fastening member that is positioned at an equal pitch between the first members 7 and 7 and is provided over the adjacent base material 6 via the clip 10.

The ceiling board fastening member 9 is narrower than the first member 7, and the lower surface of the first member 7 is provided with two grooves a in the longitudinal direction. This fastening member 9 is different in that one groove b is provided, but the construction is the same in that the hooks of the same height are provided on both sides in the width direction, respectively, and both are lightweight. It is made of steel. Further, the above-mentioned clips 8 and 10 are also the same in construction, and a plate portion d that is slidable by being locked to the stand-up hooks c and c on both sides in the width direction, and the locking plate portion d. It is provided with a three-pronged plate portion e that engages with the lower flange of the base material 6 with the slide.

Reference numeral 11 denotes a second member for fastening the ceiling board, which is elastic at both end portions of the rectangular steel pipe in a state where the rising hooks c, c of the adjacent first members 7, 7 cannot be pulled out. A first locking portion f that is locked to the second hook, and a rising hook c of the ceiling board fastening member 9 is also elastically locked to the intermediate portion in the longitudinal direction in the same state in which it cannot be pulled out. It is formed by forming the locking portion h, and is located at the butt joint of the longitudinal end portions of the ceiling boards 1 arranged by design, that is, at the pitch of the longitudinal dimension of the ceiling board 1 and adjacent to each other. One member 7, 7 and each hook c of the ceiling board fastening member 9 between them are elastically fitted and held in a so-called fit-and-kill state.

In this state, the first and second members 7 and 11 are arranged in a lattice shape at the abutting joints in the longitudinal direction and the width direction of the ceiling board 1 arranged by design, and the ceiling is formed at the eyes of each lattice. The board fastening member 9 is located, and the first and second members 7 and 11 are arranged such that the lower surfaces of the first and second members 7 and 11 and the ceiling board fastening member 9 are flush with each other. And the height dimension of the ceiling board fastening member 9 is set.

Then, the peripheral portion of the ceiling board 1 is positioned on the lower surface portion of the first and second members 7, 11 in a state where the end portions are abutted with each other, and the peripheral portion is formed on the first and second members 7, 11. The middle part is fastened to the ceiling board fastening member 9 with tapping screws i, etc., and appropriate treatment such as putty treatment is performed so as to hide the butt joints, and the entire surface of the ceiling board 1 is painted. 12 is applied.

According to the above configuration, the side portions on both sides in the width direction of the ceiling board 1 are restrained by the first members 7 and 7, and in addition, the first board members 7 and 7 are elastically fitted. The side members on both sides in the longitudinal direction are restrained by the second members 11 and 11 that are held together, so that the ceiling board 1 does not vibrate even if it vibrates slightly due to, for example, pulsating air pressure of air conditioning or wind pressure associated with opening and closing of the door. It is possible to reliably prevent the butt joints from being displaced from each other at the butt joints, and effectively prevent the occurrence of cracks at the board joints on the painted surface.

Although a second locking portion h that locks to the rising hook c of the ceiling board fastening member 9 is formed in the middle portion of the second member 11, it has no locking function. It can also be implemented with a simple concave configuration.

6 to 8 show another embodiment of the ceiling base structure. In this embodiment, an insert metal fitting 3 is provided on the ceiling slab 2 in a state where it is located at a butt joint of the widthwise ends of the ceiling board 1 arranged by design, and the insert metal fitting 3 is provided on both sides of the lower part. A hanging bolt 4 with an inverted L-shaped hanger 13 having a stop j formed therein was attached, and hooks c, c were erected continuously on the locking part j of the hanger 13 on both sides in the width direction. The first member 7 for fastening the Amai board is locked and held.

Then, the second member 11 in which the locking portions f and h are formed at both ends and an intermediate portion of the rectangular steel pipe in the longitudinal direction is provided with a butt joint at the longitudinal ends of the ceiling board 1 arranged by design. In the state of being positioned, that is, at the pitch of the longitudinal direction of the ceiling board 1, elastically fitted and held in the so-called fit-and-kill state between the standing hooks c, c of the adjacent first members 7, 7. I am letting you.

Further, the ceiling board fastening member 9 in which the hooks c and c are erected continuously on both sides in the width direction is elastically elastically fitted to the engaging portion h of the intermediate portion of the second member 11 and killed. The first and second members 7, 11 are fitted and held, and the lower surface of the ceiling board fastening member 9 is flush with each other, and the peripheral portion of the ceiling board 1 is covered by the first and second members 7, 11. The bottom part of the base plate, the peripheral parts thereof to the first and second members 7 and 11 and the middle part to the ceiling board fixing member 9 by tapping screws i, etc. After applying putty treatment, etc., a coating 12 is applied to the entire surface of the ceiling board 1 to form a seamless ceiling.

According to the above configuration, the peripheral portions of the ceiling boards 1 and 1 are constrained by the first and second members 7 and 11, so that, for example, pulsating air-conditioning air pressure and wind pressure associated with opening and closing of doors, etc. Even if there is a slight vibration due to the influence, it is possible to reliably prevent the ceiling boards 1 and 1 from being displaced from each other at the butt joints, and to effectively prevent cracks on the painted surface at the board joints.

Then, the first member 7 is directly hung from the ceiling slab 2 via the hanging bolts 4 and the hanging members 13, and the base material 6 is omitted as compared with the structure of the above-described embodiment. In other words, in other words, the peripheral part of the ceiling board 1 can be constrained with the same number of parts as the conventional ceiling base structure without increasing the cost.

[0023]

[Effect of device]

 As described above, the present invention has a peculiar structure in which the two opposing sides of the ceiling board, that is, the peripheral portion are all constrained by the first and second members. For example, pulsating air-conditioning air pressure and door Even if the ceiling board slightly vibrates due to the influence of wind pressure caused by opening and closing, it is possible to reliably prevent the situation where the ceiling boards are displaced from each other at the butt joints, which results in cracks on the painted surface at the board joints. It is possible to effectively suppress the occurrence of the occurrence of the cracks, and to provide a seamless ceiling for a long period of time.Furthermore, the joint corner of the ceiling board is packed with putty, and this putty surface is covered with a synthetic fiber mesh, which is troublesome. There is no problem even if the work is simplified.

[Brief description of drawings]

FIG. 1 is a partial detailed view of a ceiling viewed from the inside of a room.

FIG. 2 is a vertical cross-sectional side view seen from one lateral side of the ceiling base structure.

FIG. 3 is a vertical cross-sectional side view seen from the other lateral side of the ceiling base structure.

FIG. 4 is a perspective view of a main part of a ceiling base structure.

FIG. 5 is a perspective view showing a fastening relationship of a second member with respect to a first member and a ceiling board fastening member.

FIG. 6 is a perspective view of a main part of a ceiling base structure of another embodiment.

7 is a vertical side view of the ceiling base structure shown in FIG. 6 viewed from one lateral side.

FIG. 8 is a vertical cross-sectional side view of the ceiling base structure shown in FIG. 6 as viewed from the other lateral side.

FIG. 9 is a vertical cross-sectional side view of a conventional ceiling ground structure viewed from one lateral side.

FIG. 10 is a vertical cross-sectional side view of the ceiling base structure shown in FIG. 9 viewed from the other lateral side, showing a part of the structure in an enlarged manner.

FIG. 11 is a perspective view of a conventional example showing a mounted state of a ceiling board.

[Explanation of symbols]

1 ... Ceiling board, 2 ... Ceiling slab, 7 ... 1st member, 11
… Second member, c… Launch hook.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Masako Ryukaku, Masakazu Ryokan 4-1-1-13 Honmachi, Chuo-ku, Osaka Stock company Takenaka Corporation Osaka Main Store (72) Takayuki Fukuda Inami, Inami-cho, Higashitonami-gun, Toyama Prefecture No. 1 No. 1 Daiken Kogyo Co., Ltd. (72) Inventor Takaakio Inami No. 1 Ina-cho, Tonami-gun, Toyama Prefecture No. 1 No. 1 Daiken Kogyo Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A first member for fastening a ceiling board, which has rising hooks formed on both sides in the width direction, is hung and arranged on a ceiling slab at a pitch of a dimension between two opposite sides of the ceiling board, The second member for fastening the ceiling board is adjacent to the first member at a pitch of the dimension between the two opposite sides of the ceiling board.
A ceiling characterized in that the rising hooks of the members are elastically fitted and held, and the lower surfaces of the first and second members are flush with each other, and the peripheral portion of the ceiling board is screwed to the lower surfaces. Ceiling base structure to secure the board.