JPH0458535B2 - - Google Patents

Description

Detailed Description of the Invention (Industrial Field of Application) The present invention is useful when replacing a part of a ceiling panel constituting the ceiling of a building such as a building or a living area in a ship, or when replacing a part of a ceiling panel that constitutes the ceiling of a building such as a building or a living area on a ship, or The present invention relates to a method for replacing a ceiling plate in an existing ceiling structure, which allows for easy replacement of the ceiling plate and installation of decorative panels, etc. when installing decorative panels and lighting equipment.

(Prior Art) Conventionally, in structures such as buildings or living quarters on ships, a method has been adopted in which ceiling panels are suspended from the ceiling base. The construction method is
A groove is formed horizontally at the end of the ceiling board, and an H
The upper flanges of the H-bars can be suspended from the ceiling base by fitting the lower flanges of the bars to connect the ceiling panels one after another, or the other end of the ceiling panels connected by the H-bars can be connected to the ceiling. There is a construction method (generally called the semi-concealed construction method) in which the construction is carried out by placing it on the flange of a T-bar suspended from the foundation (see Japanese Patent Publication No. 56-26750). These methods are also referred to as H-bar construction methods because the ends of the ceiling panels are connected through the flange portions of the H-bars.

The ceiling structure using the H-bar construction method described above is
The ends of the ceiling board are reinforced with H-bars, so there is less sagging, the ceiling board has the advantage of being able to use large or long ceiling boards, and it also has the advantage of being quick to install.

(Problems to be Solved by the Invention) By the way, if a ceiling board is damaged or destroyed by impact or the like, it is necessary to remove the damaged ceiling board and install a new ceiling board. In that case, according to the ceiling structure described above, the flanges of the H-bar protrude around the removed portion where the ceiling board has been removed, and it is extremely difficult to fit the flanges of the H bar into the grooves at both ends of the ceiling board. Therefore, in the past, it was necessary to perform the troublesome work of sequentially removing the ceiling panels from the end of the ceiling to the damaged part, replacing the damaged part, and restoring the rest.

The present invention has been made in view of the above, and its purpose is to easily replace only the damaged part when a part of the ceiling board is damaged, while leaving the other parts as they are. By doing so, it is possible to replace a part of the ceiling board with good work efficiency. It is also an object of the present invention to enable the work to be performed with good work efficiency even when removing a ceiling plate and installing another decorative panel or lighting equipment.

(Means for Solving the Problems) In order to achieve the above object, the solving means of the present invention is a ceiling plate in which grooves are formed at both ends of the lower flanges of a plurality of parallel H bars. For an existing ceiling structure in which ceiling panels are successively connected to each other by fitting recessed grooves, only a desired portion of the ceiling panels in the existing ceiling structure is removed to form a ceiling panel removal section. Thereafter, between the H-bars around the ceiling plate removal section, a receiving metal fitting having engaging pieces formed at both ends is engaged with the upper flange of the H-bar to maintain a constant spacing between the H-bars. Strap it around and fix it so that it stays in place. Next, a new ceiling board, or a decorative panel or lighting fixture of the same size as the ceiling board, is fixed to the receiving metal fitting, thereby installing it in the ceiling board removed section.

(Function) As a result, in the present invention, the spacing between the H bars around the ceiling board removal part is maintained constant by the receiving metal fittings that are fixed across the H bars around the ceiling board removal part. A new ceiling plate or the like can be easily fixed to the receiving fitting without removing the ceiling plate other than the part to be replaced, and it is only necessary to replace the ceiling plate in the part to be replaced. Furthermore, during replacement, by maintaining the spacing between the H-bars using the above-mentioned receiving metal fittings, ceiling panels other than the replacement part are prevented from falling off the lower flange of the H-bar, which improves the efficiency of the replacement work. Safety will also be ensured.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

Figure 2 shows a ceiling structure constructed using the H-bar construction method, in which 1 is a T-bar supported by a slab of a building or other structure or a decking material (not shown) in a living area on a ship. Then, the T-bar 1
A plurality of these are arranged in parallel in one direction (horizontal direction in the figure). Reference numeral 2 denotes a plurality of H bars arranged in parallel at regular intervals (corresponding to the width of the ceiling board 4 described later) in a direction perpendicular to the T bars 1 between the T bars 1 arranged in parallel. Each has an upper flange 2a projecting to both sides at the upper end and a lower flange 2b projecting to both sides at the lower end. Reference numeral 4 denotes a ceiling plate, and lower flanges 2 of the H bar 2 are attached to both ends of the ceiling plate 4 in one direction.
A recessed groove 4a into which the H bar 2 can be fitted is formed in the ceiling plate 4, and the lower flange 2b of the H bar 2 is fitted into the recessed groove 4a, so that the ceiling plates 4, 4 are successively connected. The ends of the ceiling plates 4, 4 in the other direction are placed on the flange 1a of the ceiling plate 1, thereby constructing a ceiling surface. In the above ceiling structure, if the T-bar 1 is in a narrow space such as a living quarters in a ship, the T-bar 1 may be an upper rail member having a cross-section (hat-shape) attached to the upper end of a wall panel.
Furthermore, in order to increase the installation strength of the ceiling board,
The upper flange 2a of the bar 2 may be suspended from a ceiling base or the like.

In such a ceiling structure, if a part of the ceiling board 4 is damaged and needs to be replaced, as shown in Figure 1, a part of the ceiling board 4 with a width approximately equal to the spacing between the H bars 2, 2 is replaced. Then, a receiving metal fitting 7 having a gutter-shaped cross section and having engaging pieces 7a, 7a that can be engaged with the upper flange 2a of the H-bar 2 at both ends thereof is prepared.

First, only the ceiling plate 4 of the replacement portion is removed to form a ceiling plate removed portion.

Next, place an appropriate number of the above-mentioned receiving metal fittings 7 between the H bars 2, 2 around the part where the ceiling board has been removed, and
Each of the engaging pieces 7a is engaged with the upper flange 2a of the H bar 2 and fixed across the H bar 2. This fixation is carried out by fixing the presser metal fitting 8 to the engagement piece 7a with screws 9 to clamp the upper flange 2a. This fixation prevents the receiving metal fitting 7 from coming off upward.
Further, the distance between the H bars 2, 2 is maintained constant.

Next, a new ceiling board 4' is prepared to replace the damaged ceiling board 4. The upper part of the groove 4a' at one side end of the ceiling plate 4' is cut out. Then, one groove 4a' of this ceiling plate 4' is fitted into the lower flange 2b of one H bar 2, and the lower part of the other groove 4a' is connected to the lower surface of the lower flange 2b of the other H bar 2. After contacting the ceiling plate 4'
It is fixed by gluing the back surface to the receiving metal fitting 7 or by screwing it to the receiving metal fitting 7 from the surface of the ceiling plate 4'.

Therefore, when a part of the ceiling board 4 is damaged in this way, it can be replaced by replacing only the damaged ceiling board 4 while leaving the surrounding ceiling boards 4 as is, and at the time of replacement, The spacing between the H-bars 2, 2 around the removed portion is maintained constant by the receiving bracket 7, and the new ceiling panel 4' can be easily fixed to the receiving bracket 7, so that replacement work is easy. It is simple and easy, and the workability can be significantly improved.

Furthermore, since the spacing between the H bars 2 and 2 is kept constant during replacement, the surrounding ceiling panels 4 will not fall off the lower flange 2b of the H bar 2, and the above work will be completed. It can be done safely.

Also, since the new ceiling board 4' is fixed to the receiving bracket 7 which is fixed across between the H bars 2, 2,
This is preferable because the durability of the ceiling plate 4' against impact from below is increased.

The shape of the end of the receiving fitting 7 including the engaging piece 7a may be any shape as long as it can be engaged with the upper flange 2a of the H-bar 2, and is not limited to the shape of the above embodiment.

In addition, in the above embodiment, a structure in which a part of the ceiling board 4 is replaced with a new ceiling board 4' has been described, but in place of the ceiling board, another decorative panel or lighting fixture may be used that has the same size as the ceiling board. If it is of
Similarly, it is possible to install and replace the ceiling board.

(Effects of the Invention) As explained above, according to the present invention, when a part of a ceiling panel is damaged due to H-bar construction, it can be replaced by using a receiving metal fitting while leaving the surrounding ceiling panels as they are. Since this can be done by replacing only the ceiling panel, the replacement work efficiency can be improved, and the above-mentioned receiving metal fittings will be placed on the back of the new ceiling panel, increasing the strength against impact from below. can be increased. This is also applicable and effective when a part of the ceiling board is removed and lighting equipment or decorative panels are installed.

Moreover, since the H-bars on both sides are held in parallel at a predetermined interval by the above-mentioned receiving metal fittings, the surrounding ceiling panels will not fall off the H-bar due to movement of the H-bar during replacement, improving work efficiency. In conjunction with this, it is possible to improve safety.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, and FIG. 1 is an enlarged sectional view of the main part showing a state in which a new ceiling board has been replaced, and FIG. 2 is a perspective view showing a ceiling structure using the H-bar construction method. 2...H bar, 2a...upper flange, 2b...
...lower flange, 4...ceiling plate, 4'...new ceiling plate, 7...receiving metal fitting, 7a...engaging piece.

Claims (1)

[Scope of Claims] 1. The grooves of a ceiling plate having grooves formed at both ends are fitted into the lower flanges of a plurality of parallel H bars, and the ceiling plates are successively connected to each other. In the existing ceiling structure, remove only the desired portion of the ceiling plate in the existing ceiling structure to form a ceiling plate removed part, and then, between the H bars around the ceiling plate removed part,
A receiving metal fitting having engaging pieces formed on both ends is fixed by locking the engaging pieces to the upper flange of the H-bar so as to maintain a constant spacing between the H-bars, and then fixing the receiving metal fitting to the above-mentioned H-bar. A method for replacing a ceiling board in an existing ceiling structure, characterized by installing a new ceiling board, or a decorative panel or lighting fixture of the same size as the ceiling board, onto the metal fittings in the area where the ceiling board has been removed.