Patent ID: 6973809

Claim:
A number lock device, comprising a lock housing, a lock core, and a cover, wherein: the lock housing has a first end having an inside formed with a receiving chamber, the lock housing has two opposite faces each formed with a plurality of through holes and has a side formed with a plurality of windows; the lock core is mounted in the lock housing and includes a plurality of number rings each rotatably mounted in a respective one of the through holes of the lock housing, a first locking ring and a plurality of second locking rings each mounted in a respective one of the number rings, and a lock core rod having a first end provided with a catch plate and a second end extended through a spring and each of the first locking ring and the second locking rings; the number lock device further comprises a movable member, a driving member, a locking plate, and a locking pin each mounted in the receiving chamber of the lock housing and located between the lock core and the cover; the movable member has a first side formed with a rectangular insertion recess for insertion of the catch plate of the lock core rod and a second side formed with four triangular first teeth and four first engaging grooves each located between any two adjacent first teeth; the driving member is engaged with the movable member and has a first side formed with four triangular second teeth each mounted in a respective one of the first engaging grooves of the movable member and four second engaging grooves each located between any two adjacent second teeth, wherein each of the first teeth of the movable member is mounted in a respective one of the second engaging grooves of the driving member, the driving member has a second side formed with an insertion groove; the locking plate has a first end inserted into the insertion groove of the driving member and formed with a mounting hole, and a second end formed with two locking legs extended through the cover and a channel located between the two locking legs and communicating with the mounting hole; and the locking pin is pivotally mounted in the channel of the locking plate and has a first end mounted in the mounting hole of the locking plate and locked on the lock housing and has a second end formed with a locking block extended outward from the channel of the locking plate and the cover.