Anti-theft function ideas of anti-theft fasteners
Release time:
2023-07-18
First, all the fasteners are locked, and after tightening, they must be destructively removed. If a long strip groove is opened along the axial direction on the bolt, after the nut is tightened, a high-hardness pin is driven into the groove, so that the reverse rotation of the nut becomes impossible. Or use a one-way force point design on the bolt head, and there is no force point in the reverse direction. This type of fastener is mostly used in facilities that do not need to be disassembled. If disassembly is required, destructive dismantling is often used.
First, all the fasteners are locked, and after tightening, they must be destructively removed. If a long strip groove is opened along the axial direction on the bolt, after the nut is tightened, a high-hardness pin is driven into the groove, so that the reverse rotation of the nut becomes impossible. Or use a one-way force point design on the bolt head, and there is no force point in the reverse direction. This type of fastener is mostly used in facilities that do not need to be disassembled. If disassembly is required, destructive dismantling is often used.
Second, the bolt and nut tightening and opening methods adopt non-standard design, and the matching non-standard tools are used to solve the opening and fastening. For example, the center of the hexagonal inner hole of the bolt head of the hexagon socket bolt adopts a cylindrical protrusion. Generally, the hexagon wrench cannot be inserted, and only the matching hexagon wrench can be used to solve the tightening and loosening. Or use non-standard slots, holes or pentagons, seven corners, nine corners, etc. in the appearance design of nuts and bolts.
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