A heavy-duty conical hinge
A conical and hinged technology, applied in hinges with pins, door/window fittings, folding panels, etc., can solve the problems of easy corrosion and noise of metal parts, and achieve easy installation and maintenance, simple structure and low cost. Effect
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[0029] see figure 1 , in order to facilitate the display of the product, and in view of the symmetry of the product structure, figure 1 Only the lower half is shown for splitting. This embodiment discloses a heavy-duty conical hinge, which includes two mutually hinged discs 1, a conical hinge pin 2, a nylon pin sleeve 3 and a pin cap 4;
[0030] Each disc 1 includes a sheet-shaped disc body 5 and a connector 6; the disc body 5 and the connector 6 are integrally formed, and the connector 6 is connected to the side of the disc body 5; the disc body 5 is provided with At least two counterbores; the connecting piece 6 is provided with a through hole along the axial direction;
[0031] The conical hinge pin 2 has a double-conical structure with a wide middle part and narrow ends. The middle part of the conical hinge pin 2 is provided with a cylindrical radially outwardly protruding annular part, and the outer diameter of the annular part is equal to the outer diameter of the conn...
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