JP3161785B2 - Ceiling bar and connection method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling bar and a method of connecting the same, and more particularly to a technique for easily connecting a ceiling bar.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG.
a to engage the connection piece 12 of the joiner 10 to connect the ceiling bar 1a to the fixing member via the joiner 10.
The ceiling bar 1a has no engagement groove, and the joiner 10
Of the ceiling bar 1 in the longitudinal direction.

[0003]

However, in the case of such means, when the ceiling bar 1 is cut in its length direction, deformation occurs at the cut end, or burrs or burrs are generated. It is difficult to engage the connecting piece 12 of the joiner 10 in the length direction of the ceiling bar 1, and the ceiling bar 1 is inserted to insert the connecting piece 12 from the end of the ceiling bar 1. There was a problem that it was necessary to slide backward.

[0004] The present invention has been made in view of such a problem, and an object of the present invention is to connect a connecting piece of a joiner to a ceiling bar with a lengthwise direction of the ceiling bar. An object of the present invention is to provide a ceiling bar capable of performing insertion connection from an orthogonal direction and improving its workability, and a connection method thereof.

[0005]

SUMMARY OF THE INVENTION The present invention is a ceiling bar having a substantially inverted T-shaped cross section, which is held at the back of a ceiling and mounts and holds an end of a ceiling plate 3 at a lower horizontal piece 2. The ceiling bar 1 is formed of an upper beam 4, a vertical piece 5 and a lower horizontal piece 2 and these are formed in series by bending a metal plate. An upper groove 6 is formed on the lower surface side of the upper beam 4. Formed below
A protrusion 8 is formed on the end horizontal piece 2 and between the protrusion 8 and the vertical piece 5.
A lower groove 7 is formed and is separated from the vertical piece 5 on the outer surface side of the protrusion 8.
A lower slope is formed.

In addition, a method of connecting a ceiling bar 1 having a substantially inverted T-shaped cross section, which is held behind the ceiling and mounts and holds the end of the ceiling plate 3 at a lower horizontal piece 2, to a fixing member 9. The ceiling bar 1 is composed of an upper beam 4, a vertical piece 5, and a lower horizontal piece 2, which are formed in series by bending a metal plate. Is formed, and a projection 8 is formed on the lower horizontal piece 2 so that the projection 8 and the vertical piece 5
A lower groove 7 is formed between the vertical pieces 5 on the outer surface side of the protrusion 8.
The farther away from the fixture , the lower the slope is formed, the ceiling bar 1 is arranged in abutting manner so as to be substantially orthogonal to the fixing member 9, and the mounting portion 11 on one end side of the L-shaped joiner 10 in plan view is fixed to the fixing member 9. And the connection piece 12 of the joiner 10 is inserted from the side of the ceiling bar 1 so that the upper end of the connection piece 12 is formed in the upper groove 6.
And the lower end thereof is engaged with the lower groove 7 beyond the projection 8, and then the connecting claw 13 formed in a bent state on the connecting piece 12 is extended and deformed, and the connecting claw 13 is moved into the upper groove 6. It is characterized by being engaged in.

[0007]

As described above, the ceiling bar 1 is composed of the upper beam 4 and the vertical piece 5.
And a lower end horizontal piece 2, which are formed in series by bending a metal plate, an upper groove 6 is formed on the lower surface side of the upper rail 4, and the lower end horizontal piece 2 is closer to the vertical piece 5. By forming the lower groove 7 on the upper surface side and forming the protrusion 8 on the outer side of the lower groove 7, the joiner 10 is formed.
The upper groove 6 and the lower groove are inserted by using the elastic deformation of the ceiling bar 1 formed by bending the metal plate and the elastic deformation of the projection 8 by inserting the connection piece 12 from the side of the ceiling bar 1. The ceiling bar 1 can be easily connected to the ceiling bar 1 from the side. In particular, the further away from the vertical piece 5 on the outer surface of the projection 8,
Because of the low slope, the ceiling bar 1
When the connection is made by the Euner 10, the connection piece 12
The ends are engaged with the upper groove 6, and the ceiling bar 1 and the joiner 10 are joined.
While utilizing the elastic deformation of
Easily climb over the slope on the outer surface of the protrusion 8 of the horizontal piece 2
Can be engaged in the groove 7 to facilitate connection of the ceiling bar 1.
It can be done easily.

The ceiling bar 1 is formed of an upper beam 4, a vertical piece 5, and a lower horizontal piece 2, which are formed in series by bending a metal plate. An upper groove 6 is formed on the upper side, a lower groove 7 is formed on the upper surface side of the lower end horizontal piece 2 near the vertical piece 5, and a projection 8 is formed on the outer side of the lower groove 7, so that the ceiling bar 1 is fixed to the fixing material. 9 are arranged in abutting manner so as to be substantially orthogonal to 9, and an attachment portion 11 at one end of an L-shaped joiner 10 in a plan view is fixed to the fixing member 9,
The connecting piece 12 of the joiner 10 is inserted from the side of the ceiling bar 1 so that the upper end of the connecting piece 12 is engaged with the upper groove 6 and the lower end is engaged with the lower groove 7 beyond the projection 8. After that, the connecting claw 13 formed in a bent state on the connecting piece 12 is extended and deformed, and the connecting claw 13 is engaged with the upper groove 6 to connect the ceiling bar 1 to the fixing member 9 via the joiner 10. To do this, the connecting piece 12 of the joiner 10 is inserted from the side of the ceiling bar 1 and the elastic deformation of the ceiling bar 1 formed by bending a metal plate and the elastic deformation of the projection 8 are utilized. The ceiling bar 1 is engaged with the upper groove 6 and the lower groove 7, and its escape is prevented by the projection 8, so that the ceiling bar 1 can be easily connected from the side, its workability is improved, and the connection claws 13 are formed.
Is extended and deformed and engaged in the upper groove 6, so that the connection can be made firmly. In particular, protrusion 8
Form a slope that becomes lower as it gets away from the vertical piece 5
The ceiling bar 1 is connected with the joiner 10
At the time of connection, the upper end of the connection piece 12 is engaged with the upper groove 6.
Without using the elastic deformation of the ceiling bar 1 and the joiner 10.
Then, the lower end of the connection piece 12 is positioned outside the protrusion 8 of the lower horizontal piece 2.
It is easy to get over the side slope and engage the lower groove 7
And the ceiling bar 1 can be easily connected.
It can be.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. The ceiling bar 1 is held behind the ceiling, and the lower end horizontal piece 2 places and holds the end of the ceiling plate 3. The ceiling bar 1 is formed of an upper beam 4, a vertical piece 5, and a lower horizontal piece 2, and these are formed in series by bending a metal plate such as an iron plate. And upper beam 4
The upper groove 6 is formed on the lower surface side of. A lower groove 7 is formed on the upper surface side of the lower horizontal piece 2 near the vertical piece 5. A projection 8 is formed on the outside of the lower groove 7. A soft surface decorative material 16 is attached to the lower horizontal piece 2.

As shown in FIG. 3 (a), like the ceiling bar 1, the ceiling bar is bent by a metal plate such as an iron plate, and is fixed to the fixing member 9 fixed to the wall surface 14. 1 are arranged in an abutting manner so as to be substantially orthogonal to each other, and an attachment portion 11 having a substantially inverted U-shaped cross section at one end of an L-shaped joiner 10 in a plan view is fixed to a fixing member 9 in a suspended state. 18 is mounted and fixed so as not to move with screws. Then, the plate-shaped connecting piece 12 of the joiner 10 is inserted from the side of the ceiling bar 1 so that the upper end of the connecting piece 12 is engaged with the upper groove 6 and the lower end of the lower end of the lower groove 7 is over the projection 8. To get involved. In such a case, the vertical piece 5 and the lower horizontal piece 2 of the ceiling bar 1 are engaged in the upper groove 6 and the lower groove 7 by utilizing the elastic deformation of the lower end horizontal piece 2 and the elastic deformation of the protrusion 8. The ceiling bar 1 can be easily connected from the side. Thereafter, the connecting claw 13 formed in the bent state on the connecting piece 12 is pinched and extended by a tool 15 as shown in FIG. 3B, and the connecting claw 13 is engaged with the upper groove 6 to be connected. Is to be performed firmly. FIG. 5 shows another embodiment, in which a gentle slope 17 is formed on the outside of the projection 8 and a steep slope is formed on the inside, so that the connecting piece 12 is easily inserted and hard to come off.

[0011]

As described above, according to the present invention, the ceiling bar is formed of the upper beam, the vertical piece and the lower horizontal piece, and these are successively formed by bending a metal plate. Since the upper groove is formed on the lower surface side of the lower groove, the lower groove is formed on the upper surface side near the vertical side of the lower horizontal piece, and the protrusion is formed on the outer side of the lower groove, so the connecting piece of the joiner is connected to the ceiling bar. Insert from the side and engage the upper and lower grooves using the elastic deformation of the ceiling bar formed by bending the metal plate and the elastic deformation of the protrusion, and prevent the escape from the protrusion with the protrusion However, there is an advantage that the connection of the ceiling bar can be easily performed from the side. In addition, separate from the vertical piece on the outer surface of the protrusion
The lower the slope, the lower the ceiling bar
When connecting with a joiner, the upper end of the connection piece
Into the upper groove to reduce the elastic deformation of the ceiling bar and joiner.
While using, connect the lower end of the connection piece outside the protrusion of the lower horizontal piece.
Easily get over the side slope and engage the lower groove
Can be easily connected to the ceiling bar
There is an advantage.

Further, the ceiling bar is formed of an upper beam, a vertical piece and a lower horizontal piece, and these are formed in series by bending a metal plate, and an upper groove is formed on the lower surface side of the upper beam. A lower groove is formed on the upper surface side of the lower horizontal piece near the vertical side, and a protrusion is formed on the outer side of the lower groove,
The ceiling bar is arranged in abutting manner so as to be substantially orthogonal to the fixing material, the mounting portion at one end of the L-shaped joiner in plan view is fixed to the fixing material, and the connection piece of the joiner is placed from the side of the ceiling bar. Insert and engage the upper end of the connection piece in the upper groove and engage the lower end in the lower groove beyond the protrusion, then extend and deform the connection claw formed in a bent state on the connection piece, Since the connection claw is engaged in the upper groove, the connection piece of the joiner is inserted from the side of the ceiling bar to connect the ceiling bar to the fixing material via the joiner, and formed by bending the metal plate Utilizing the elastic deformation of the ceiling bar and the elastic deformation of the projection, the upper and lower grooves are engaged, the escape is prevented by the projection, and the ceiling bar can be easily connected from the side. , Enhances its workability, and expands and deforms the connection claw to engage the upper groove In Rukoto, there is an advantage that firmly carried out the connection. In addition, separate from the vertical piece on the outer surface of the protrusion
The lower the slope, the lower the ceiling bar
When connecting with a joiner, the upper end of the connection piece
Into the upper groove to reduce the elastic deformation of the ceiling bar and joiner.
While using, connect the lower end of the connection piece outside the protrusion of the lower horizontal piece.
Easily get over the side slope and engage the lower groove
Can be easily connected to the ceiling bar
There is an advantage.

[Brief description of the drawings]

FIG. 1 is a sectional view of a ceiling bar according to an embodiment of the present invention.

FIG. 2 is a perspective view of the same joiner.

FIG. 3A is a perspective view of a connection state of the same, and FIG. 3B is a front view of a tool.

FIGS. 4A and 4B are side views showing the connection operation, and FIGS. 4A, 4B and 4C show the connection procedure.

FIG. 5 is a side view of another embodiment of the above.

FIG. 6 is a side view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ceiling bar 2 Lower end horizontal piece 3 Ceiling board 4 Upper beam 5 Vertical piece 6 Upper groove 7 Lower groove 8 Projection 9 Fixing material 10 Joiner 11 Mounting part 12 Connection piece 13 Connection nail

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E04B 9/14 E04B 9/24

Claims (2)

(57) [Claims] 1. A ceiling bar having a substantially inverted T-shaped cross section which is held at the back of a ceiling and mounts and holds an end of a ceiling plate at a horizontal lower end piece, wherein the ceiling bar is an upper beam, a vertical piece. And a lower end horizontal piece, and these are formed in series by bending a metal plate, an upper groove is formed on the lower surface side of the upper cross member , a protrusion is formed on the lower end horizontal piece, and a protrusion is formed. Between vertical pieces
The lower groove is formed on the outer side of the protrusion and separates from the vertical piece
A bar for a ceiling, characterized by forming a slope that becomes gradually lower . 2. A method of connecting a ceiling bar having a substantially inverted T-shaped cross section, which is held at the back of a ceiling and mounts and holds an end portion of a ceiling plate at a lower horizontal piece, to a fixing member, comprising: Is formed from an upper beam, a vertical piece and a lower horizontal piece, and these are formed in series by bending a metal plate, an upper groove is formed on the lower surface side of the upper beam, and a projection is formed on the lower horizontal piece. The shape
The lower groove is formed between the protrusion and the vertical piece,
On the surface side, a slope that becomes lower as it is away from the vertical piece is formed, the ceiling bar is arranged in abutting manner so as to be substantially orthogonal to the fixing material, and the mounting portion at one end side of the L-shaped joiner in plan view is fixed material. And the connecting piece of the joiner is inserted from the side of the ceiling bar so that the upper end of the connecting piece is engaged with the upper groove, and the lower end of the connecting piece is engaged with the lower groove beyond the projection and then connected. A method of connecting a ceiling bar, wherein a connection claw formed in a bent state on a piece is extended and deformed to engage the connection claw in an upper groove.