JPH0232791Y2 - - Google Patents

Description

[Detailed Description of the Invention] (1) Technical Field of the Invention The present invention relates to the structure of a hinge used between the end faces of adjacent folding doors.

(2) Prior art and its problems Conventionally, the structure shown in Figure 1 has been known as a hinge for this type of folding door. That is, a curtain plate C is provided between end surfaces c and c located approximately in the center between both surfaces a and b of adjacent folding doors A and B, and a pair of side plates D and D are attached to one surface from both sides of this curtain plate C. This side plate D,
Shaft portions E, E are provided at each extension end of D, and these shaft portions E, E are rotatably mounted on bearings F, F fixed to end surfaces c, c located on one surface a side. It consists of a structure. However, in this conventional structure, since the corners G and G on the side of the curtain plate C are arranged around the rotating part formed by the shaft part E and the bearing F,
When the folding doors A and B are closed, the free edges H and H of the end face C located on the other surface b side are at the corners G and G.
There is an inconvenience that the folding doors A and B are not lined up horizontally because they are close to each other with the fulcrum being the fulcrum, resulting in a poor appearance. Furthermore, due to the bending around the corners G and G, external force in the direction of arrow Z is repeatedly applied to the shaft E and the bearing F, which has the disadvantage that the rotating portion is likely to become loose.

(3) Purpose of the invention The purpose of the present invention is to provide a hinge for a folding door that has a stop function to hold the folding door flush when closed, in view of the conventional situation described above.

(4) Structure of the invention In order to achieve the above purpose, the structure of the invention is as follows:
A curtain plate placed between the end faces of one side of the adjacent folding door and extending in the vertical direction of the folding door, and a strip extending from one side of the folding door to the other side from both sides of the curtain plate approximately parallel to the end face of the folding door. A pair of side plates extending in a shape, a pair of supporting plates protruding oppositely on one side between the pair of side plates, a pair of shaft parts provided at the extended ends of these side plates, and each fixed to the end face of the folding door. a pair of mounting plates that extend in the form of a band from one side of the folding door to the other side; and a pair of mounting plates that are formed on the end faces of the other side of the pair of mounting plates and to which the shaft portions are rotatably mounted. It is characterized in that it is equipped with a bearing.

(5) An embodiment of the invention Hereinafter, an embodiment of the folding door hinge according to the invention will be described in detail with reference to FIGS. 2 to 8.

First, the outline of a folding door using the hinge of the present invention will be explained.

As shown in FIGS. 2 and 3, the hinge 1 of the present invention is used between the end faces of left and right adjacent folding doors 2 and 3. A runner 4 and a pivot 6 are coaxially fixed to the upper and lower left ends of the folding door 2 and the upper and lower right ends of the folding door 3, respectively. This runner 4 is fixed to the folding doors 2 and 3 via a hanging bolt 4c, and a base 4a of the runner 4 is rotatably attached to the top of the hanging bolt 4c. Rollers 4b, 4b rolling on rails 5a, 5a of the guide rail 5 are rotatably attached to the front and rear of the base 4a.
Openings 5b are formed on the left and right between the rails 5a, 5a to allow passage of the base 4a or the hanging bolt 4c. The pivot 6 is configured to move up and down within a base 6a fixed to the folding doors 2 and 3 by operating an operating lever 6b.
Therefore, each set of folding doors 2 and 3 is closed by the runner 4 and the pivot 6 running in the guide rails 5 and 7 as shown in FIGS. 2a and b, and the runner 4 and the pivot 6 are Hinge 1 as a fulcrum
Then, it is folded in half as shown in FIG. 2c and the phantom diagram in FIG. By moving each pair of folding doors 2 and 3 in the same state in the X direction, each pair of folding doors 2 and 3 is moved toward the guide rail 5 as shown by the imaginary line in FIG. 2C.
It is possible to shift it toward either the left or right end.

Next, the structure of the hinge 1 will be explained.

This hinge 1 is attached to a curtain plate 10 as shown in the fourth diagram.
and a pair of side plates 11, 1 provided on this curtain plate 10.
1, a shaft portion 12 provided on each side plate 11, 11,
12.

The curtain plate 10 is in the form of a band plate extending in the vertical direction of the folding doors 2 and 3. The curtain plate 10 is located on the side m of one surface of the folding doors 2 and 3, and the end surface 2a of the folding doors 2 and 3,
It is placed between 3a.

The pair of side plates 11, 11 are in the form of band plates extending from both sides of the curtain plate 10 substantially parallel to the end surfaces 2a, 3a of the folding doors 2, 3. Each side plate 11 extends integrally to one surface m and the other surface n of the folding doors 2 and 3. Each shaft portion 12 has a substantially cylindrical shape extending vertically by curling the extended end of each side plate 11 into a C-shape in plan view.

Further, a pair of support plates 14, 14 are integrally protruded from each side plate 11, 11 and opposed to each other in a space 13 between each side plate 11, 11. The support plate 14 is close to the curtain plate 10 and is formed at least on both the upper and lower ends.

End surface 2 located on the other surface n side of the folding doors 2 and 3
Bearings 15, 15 are provided at a, 3a, respectively, to which the shaft portion 12 is rotatably mounted. Each bearing 15
has a C-shape in plan view and extends vertically.
One end of the bearing 15 has the other surface n of the end surfaces 2a and 3a.
A strip-shaped mounting plate 16 is integrally protruded from the mounting plate 16 to the one surface m. The mounting plate 16 is fixed to the end faces 2a, 3a with mounting screws 17, 17, . . . , respectively. Therefore, by positioning the side plate 11 toward the mounting plate 16 and fitting the shaft portion 12 into the bearing 15, the hinge 1 connects the folding doors 2 and 3 so as to be foldable in half.

On the other hand, a positioning runner 8 is provided at the upper end of the hinge 1.
is protruding and fixed. This runner 8 is the fourth
As shown in FIG. 5, a pair of fixing plates 80 and 81 are provided to sandwich the support plate 14 of the hinge 1. One fixed plate 80 has a through hole 80a through which the mounting screws 82, 82 are inserted, and the other fixed plate 81 has a screw hole 81a into which the mounting screws 82, 82 are inserted.
81a is open. A guide frame 83 is provided at the upper end of one of the fixed plates 80 in a U-shape. The bottom plate 83a of the guide frame 83 is formed by bending the upper end of one fixed plate 80 rearward at a substantially right angle, and the left and right sides of the bottom plate 83a are raised upward to form the pair of side pieces 83b of the guide frame 83. ，
83b is formed. The front edges of each side piece 83b are bent inwardly at a substantially right angle to form a pair of guide pieces 83c, 83c. Each side piece 83b
Elongated holes 83d, 83d are formed in the upper and lower directions.

A U-shaped roller frame 84 is mounted within the guide frame 83 so as to be vertically movable.
Insertion holes 84b, 84b are vertically bored in the left and right side pieces 84a, 84a of the roller frame 84, respectively, and the vertical spacing between the insertion holes 84b, 84b is equal to the elongated hole 8.
It is smaller than the length of 3d. The roller frame 84 has its side piece 84a connected to the guide frame 83.
The upper and lower insertion holes 84b are made to meet a part of the elongated hole 83d along the side pieces 83b, 83b, and the two shafts 85, 85 pass through the upper and lower insertion holes 84b to the left and right from one elongated hole 83d, respectively. and the other long hole 83
d and is locked at the other end, whereby the roller frame 84 is attached to the guide frame 83 so as to be vertically movable. A compression spring 86 is interposed between the bottom plate 84c of the roller frame 84 and the bottom plate 83a of the guide roller 83. Side pieces 84a, 8 of roller frame 84
A roller 87 is rotatably mounted on a shaft 87a between the tops of the rollers 4a.

According to the embodiment configured as above,
The folding doors 2 and 3 connected by the hinge 1 are shown as W in Fig. 6.
By operating force in the opposite direction, the folding doors 2 and 3 are closed from the imaginary line to the solid line. At this time of closing, the side plates 11, 11 of the hinge 1 are in the form of strips and extend from one surface m to the other surface n approximately parallel to the end surfaces 2a, 3a, so that the inside of the bearing 15 is While the shaft portion 12 rotates, the side plate 1
1 and 11 are in surface contact with the mounting plate 16 fixed to the end faces 2a and 3a as shown in FIG. Moreover, since the side plates 11, 11 are formed into strips in the vertical direction, the surface contact is formed over substantially the entire area of the end surfaces 2a, 3a, and the contact between the end surfaces 2a, 3a of the side plates 11 is maintained.

In addition, in the case of the above-mentioned surface contact, since no points of action are formed other than the shaft portion 12 and the bearing 15, the shaft portion 1
2 and the bearing 15, no external force is generated that is inconvenient. Therefore, the rotation structure between the shaft portion 12 and the bearing 15 does not cause rattling, and the connection of the foldable door has durability.

Further, according to the embodiment, when the hinge 1 is closed, the roller 87 of the positioning runner 8 attached to the upper end of the hinge 1 is positioned within the opening 5b of the upper guide rail 5 as shown in the eighth figure. corner 5c of rail 5a, 5a forming the front and rear edges of
5c, and the roller 87 is locked to the guide rail 5 as shown by the solid line. When opening the folding doors 2 and 3, this roller 87
As the spring 86 moves in the W direction, the roller frame 84 moves downward relative to the guide frame 83 while the spring 86 is compressed, and the roller 87 moves toward the rail 5a.
It moves from the solid line to the one-dot chain line to the imaginary line while sliding on the bottom surface of the screen.

Further, when closing from opening, the roller 87 moves in the Y direction (opposite to the W direction), returns from the imaginary line through the dashed line to the solid line position, and the roller 87 is locked to the guide rail 5. be done.

(6) Modification of the invention In the above embodiment, the end surfaces 2 of the folding doors 2 and 3
Although the case where the end faces 2a and 3a are opposed to each other in parallel to each other has been illustrated, the end faces 2a and 3a are opposed as shown in FIG.
Even when a is formed into a tapered surface or is formed into an arcuate surface as shown in the figure d and e and faces each other, the side plates 11A to 11E of the hinge 1 can be formed approximately parallel to the respective end surfaces. It is possible to implement.

Also, as shown in Figure 10, three or more folding doors 9
When connecting A to 9F in a zigzag manner, this can be done by alternately disposing the curtain plates 10 of adjacent hinges 1 on one surface m and the other surface n of the folding doors 9A to 9F. In this modification, runner 4
The axis of the hanging bolt 4c and pivot 6 is the folding door 9A~
Located in the center of each 9th floor.

Furthermore, in the above embodiment, the folding doors 2 and 3 of each set of adjacent folding doors are not connected, but the first
1. As shown in the figure, it is possible to connect the two mounting pieces using a flag hinge 1 which is rotatable by passing a shaft through the bearing portions of the two mounting pieces. Also in this modification, the folding doors 2 and 3 are connected in a zigzag manner.

(7) Effects of the invention As explained above, the invention has the following effects.

(b) When the folding door is closed, the shaft of the side plate and the bearing of the mounting plate are located on the other end, and the side plate and the mounting plate on the end of the folding door are in surface contact from one side to the other. It is possible to exert a strong stopping function due to the full surface contact of the strip plate, and it is possible to maintain the folding door in a flush position without bending it.

(b) When closed, the side plate and the end face of the folding door are in full contact with each other, and the shaft of the side plate and the bearing of the mounting plate are located not on the end face of the folding door but on the other side, so the shaft and bearing We were able to solve the problem of forming a point of action in addition to the above. As a result, there is no generation of external force that is inconvenient for the fit between the shaft and the bearing, and play in the rotational structure between the shaft and the bearing is prevented, thereby providing durability in the connection of the folding door.

(c) By sandwiching the pair of supporting plates protruding between the U-shaped side plates, the positioning runner can be attached. In this case, the positioning function of the positioning runner can be used in combination to more reliably maintain the posture when closing.

[Brief explanation of the drawing]

Figure 1 is a cross-sectional view around the hinge of a conventional folding door, Figure 2
Figures a to c schematically show a folding door using the hinge of the present invention, where a is a front view when closed;
b is a plan view of the same, c is a plan view when opened, Fig. 3 is a sectional view taken along the - line in Fig. 2a, Fig. 4 is an exploded perspective view of the hinge area to which the present invention is applied, and Fig. 5 is a plan view when opened. FIG. 6 is a perspective view of the positioning runner exploded. FIG. 6 is a perspective view for explaining the function of the present invention. FIG.
8 is a sectional view taken along the - line in FIG. 6, FIGS. 9 a to 9 e are sectional views corresponding to FIG. A plan view corresponding to FIG. 2b showing another modification, No. 11
This figure is a plan view corresponding to FIG. 2b showing still another modification of the present invention. 1... Hinge, 2, 3... Folding door, 2a, 3a...
End face, 10... Curtain plate, 11... Side plate, 12... Shaft, 13... Space, 14... Support plate, 15... Bearing, m... One surface, n... Other surface.

Claims (1)

[Scope of utility model registration request] A curtain plate placed between the end faces of one side of the adjacent folding door and extending in the vertical direction of the folding door, and a strip extending from one side of the folding door to the other side from both sides of the curtain plate approximately parallel to the end face of the folding door. A pair of side plates extending in a shape, a pair of supporting plates protruding oppositely on one side between the pair of side plates, a pair of shaft parts provided at the extended ends of these side plates, and each fixed to the end face of the folding door. a pair of mounting plates that extend in the form of a band from one side of the folding door to the other side; and a pair of mounting plates that are formed on the end faces of the other side of the pair of mounting plates and to which the shaft portions are rotatably mounted. A folding door hinge equipped with a bearing.