Antitheft door lock
A technology of anti-theft door locks and main deadbolts, applied in building locks, locks with turning keys, buildings, etc., can solve the problems of easy forgetting, troublesome, unable to prevent thieves from robbing the door, and achieve convenient operation and improve safety. sexual effect
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[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0032] Main bolt mechanism see figure 1 A stepped pin 4 is arranged on the main deadbolt bar 3 of the main dead bolt 2, and the two ends of the stepped pin 4 are sleeved in the waist-type long groove 5 of the lock box 1 and the lock cover to move linearly, and the shaft hole of the swing bar 6 is provided with The fan-shaped hole 9 of two side symmetry is also set on the fan-shaped lug shaft 15 corresponding to it on the gear 14, and the fan-shaped angle on the fan-shaped lug shaft 15 is smaller than the fan-shaped angle on the fan-shaped hole 9. Small, swing bar 6 one ends with a U-shaped groove 7, groove 7 clamps the pin 4 on the main deadbolt bar 3, and the other end is provided with single-sided single-grain gear 8 and with the lower main clutch plate 12 The single-sided single-grain rack 13 is conditionally meshed, the fan-shaped protrus...
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