Changeable-password lock
A combination lock and password technology, applied in the field of mechanical locks with changeable passwords, can solve the problems of limited convenience, non-replacement, and limited number of passwords, and achieve the effects of low processing difficulty, simple structural design, and convenient password replacement
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[0055] Such as Figure 1-6 Shown is the changeable combination lock disclosed by the present invention, which includes a lock cylinder 1, a key 2, a lock case 3, a lock pin ring 4 and a lock end cover 5;
[0056] see figure 1 and Figure 5-9 A lock hole 11 is formed in the middle of the lock cylinder 1 along the axial direction for the insertion of the lock key 2. At least one card slot 111 is formed at the front end of the wall of the lock hole 11, and a lock end combination groove 12 is formed along the axial direction above the lock hole 11. A plurality of lock-end code blocks 13 aligned in the axial direction are placed in the lock-end code groove 12, and each lock-end code block 13 is provided with a lower layer pinhole 131 radially, and each lower layer pinhole 131 is provided with different lengths or bottom pinholes. Lower layer thimbles 14 with different end shapes, the lower layer thimbles 14 can move up and down in the lower layer pinholes 131, and an upper layer ...
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