JPS6049749B2 - hinge device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is characterized in that one side edge of the end face of a panel 7 adjacent to the plane part 2 of a long hinge body 1 having a substantially semicircular cross section is rotatably hinged, and when the panel is opened and closed, A protrusion 6 that can slide on the curved surface 4 of the hinge body 1 is provided on the other side edge of the end face of the panel 7 so as to protrude inward over the entire length in the longitudinal direction. This hinge device is formed with an arcuate surface 15 for movement along the curved surface portion 4, and its purpose is to provide excellent airtightness and to allow smooth and stable opening and closing of the panel. To provide a hinge device which can be used as a hinge, and can also make adjacent panels flush with each other in a closed state, giving a clean appearance.

The present invention will be explained in detail below with reference to Examples.

The hinge body 1 is formed by extrusion of aluminum to have a substantially semicircular cross section, and two bearings 3, 3 parallel to each other are recessed approximately in the center of a plane portion 2 over the entire length in the longitudinal direction. This bearing 3 forms a substantially semicircular groove, and a curved surface portion 4 is formed with the same radius of curvature around each bearing 3. In addition, a mounting hole 5 called a tapping hole is formed parallel to the bearing 3 and extends along the entire length of the hinge body 1 in the longitudinal direction. A protruding surface portion 18 having a C-shaped cross section is formed and bulges outward.
Furthermore, stoppers 10 are provided protruding from both ends of the curved surface portion 4 over the entire length in the longitudinal direction. The panel 7 is also formed by extrusion of aluminum or synthetic resin, and an arcuate surface 15 for moving along the curved surface portion 4 is formed on one end surface over the entire length in the longitudinal direction. A cylindrical shaft 9 having a shaft hole 8 is formed at the tip of a tongue piece 16 extending laterally from one end edge over the entire length in the longitudinal direction, and the shaft 9 can be freely rotated into one bearing 3 of the hinge body 1. The arcuate surface 15 moves along the curved surface portion 4 using the bearing 3 as a fulcrum to open and close the panel 7. Further, on the other side edge of the arcuate surface 15, a protrusion 6 is provided protruding from the arcuate surface 15 side over the entire length in the longitudinal direction. 2, and a gap is provided between the arcuate surface 15 and the curved surface portion 2 to prevent the arcuate surface 15 and the curved surface portion 2 from coming into contact with each other, so that the panel 7 can be opened and closed smoothly. The plate 12 is molded into a substantially semicircular shape to close the opening of the hinge body 1, has two legs 13, 13 protruding from the bottom surface, and has a through hole 20 at the top into which a screw 11 such as a tapping screw is inserted. When connecting the adjacent panels 7, 7 via the hinge body 1, the shaft 9 of each panel 7 is inserted into the bearing 3, and each leg 13 of the plate 12 is inserted into the shaft hole 8. At the same time, screw the screw 11 into the mounting hole 5 through the through hole 20 and attach it to each panel 7.
is connected to the hinge body 1. In this way the first
As shown in the figure, a bifold partition A is constructed by combining two panels 7 and a hinge body 1, and is arranged between vertical frames 21 provided on both side edges of an opening 23 so as to be openable and closable. It has been done. One end of this partition A is rotatably fixed to the ends of both upper and lower rails (not shown) of the opening 23, and serves as a fulcrum when opening and closing the partition A. It is slidably fitted into the inside of the bag and can be folded. Reference numeral 22 denotes an elastic packing that is in elastic contact with the surface of the panel 7 and is used to improve the airtightness of the partition A.

Of course, it is also possible to form a multi-fold partition A by combining a plurality of panels 7 and the hinge body 1. Although this embodiment shows an example in which the shaft 9 and the stopper 10 are integrally molded at the end of the panel 7, the present invention is not necessarily limited to this. may be attached to the panel 7. In the present invention, one side edge of the end face of the panel is rotatably hinged to the hinge body, and a protrusion that can slide on the curved surface of the hinge body is provided protruding from the other side edge of the end face of the panel. Therefore, when opening and closing the panel, only the narrow protrusion of the panel slides on the curved surface of the hinge body, and there is only a line contact between the panel and the curved surface of the hinge body, and the panel The entire end surface of the panel does not come into surface contact with the curved surface of the hinge body, and even if the curved surface of the hinge body and the end surface of the panel do not match, the panel can be opened and closed smoothly, and the end surface of this panel Since the panel has an arcuate surface for moving along the curved surface of the hinge body, the arcuate surface moves along the curved surface of the hinge body when opening and closing the panel, preventing the panel from being roughly handled. , the panel can be opened and closed stably without rattling even if the panel is inadvertently damaged, and the curved surface of the hinge body is attached to the other side edge of the panel end face inwardly over the entire length in the longitudinal direction. The protrusions that protrude toward the side slide, ensuring airtightness in this area, making it possible to increase the airtightness even though the panel can be opened and closed smoothly. This has the advantage that adjacent panels can be flush with each other.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of an embodiment of the present invention, Fig. 2 is an enlarged cross-sectional view of an example showing the operating state of the above panel, and Fig. 3 is a perspective view of an embodiment of the above plate. 2 is a hinge body, 2 is a plane portion, 4 is a curved surface portion, 6 is a protrusion, 7 is a panel, and 15 is an arcuate surface.

Claims (1)

[Claims] 1. One side edge of the end face of a panel adjacent to the flat surface of a long hinge body with a substantially semicircular cross section is rotatably hinged, and a protrusion is provided that can slide on the curved surface of the hinge body when the panel is opened and closed. A butterfly in which a strip is provided on the other edge of the end face of the panel to protrude inward over the entire length in the longitudinal direction, and an arcuate surface is formed on the end face of the panel for movement along the curved surface of the hinge body. mounting device.