Mechanical spiral door bolt mechanism for safe box and cabinet
A safe and mechanical technology, applied in door/window accessories, building structure, handle connection, etc., can solve the problems of troublesome operation and assembly, many parts, etc., and achieve the effect of increasing processing cost, small size and fast speed
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[0012] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0013] The rack is a double-groove rack 9, its section is ∟ shape, two waist holes are arranged on the horizontal plane, and upper and lower limit nails 9-2, 9-4 are respectively inserted in the upper and lower waist holes of the double-slot rack. There is a breach 9-3 in the middle of the two vertical junction surfaces, and helical teeth 9-1 are arranged on the upper surface of the vertical surfaces.
[0014] There is a groove in the middle of the upper surface of the rack seat 1, and the upper and lower limit nails are fixed on the groove. The double-groove rack 9 moves in the groove, and the upper and lower limit nails will not fall out. The rack seat 1 is welded obliquely It is fixed on the door panel 12 on the side of the handle base 2-2, and the inclined installation angle of the rack seat matches the inclination angle of the upper helical tooth 9-...
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