| 摘要 |
An engaging and disengaging mechanism for a door lock, comprising a housing (10), an engaging and disengaging component (20) and a transmission component (30) being disposed in the housing (10), wherein the engaging and disengaging component (20) comprises a lower poking wheel (21) formed with lower wavy teeth, an upper poking wheel (22) formed with upper wavy teeth, an engaging and disengaging block spring (23), a first handle connecting block (24), a second handle connecting block (25), a first engaging and disengaging block (26) and a second engaging and disengaging block (27) disposed in a space cooperatively formed by the first handle connecting block (24) and the second handle connecting block (25), and a rotary shaft (28). The lower wavy teeth and the upper wavy teeth cooperate with each other. A through hole (29) is provided in the lower poking wheel (21) and the upper poking wheel (22) for communicating same. The first handle connecting block (24) is located in the through hole (29). The bottom end of the engaging and disengaging block spring (23) is embedded into the first engaging and disengaging block (26). The inner bottom wall of the housing (10) is provided with a first shaft hole (11), the bottom side of the upper poking wheel (22) is provided with a second shaft hole (221), and two ends of the rotary shaft (28) are inserted into the first shaft hole (11) and the second shaft hole (221) respectively. The transmission component (30) is in drive connection with the lower poking wheel (21). |
