摘要 |
<p>The clutch device for a lock comprises a knob (1), a first turn plate (2), a return spring (3), and a second turn plate (4), and is characterized in that said device also comprises a push plate (5), an actuation assembly (6), a spring (7), a rotary shaft (8), and a rotary ring (9); the first turn plate (2) is fastened to the knob (1); the return spring (3) is sleeved inside the second turn plate (4) and the first turn plate (2) is sleeved outside the second turn plate (4) such that said three elements rotate about a same central shaft; the rotation of the knob (1) drives the push plate (5) to move left and right; the push plate (5) and the actuation assembly (6) counterbalance one another; the movement of the push plate (5) drives the actuation assembly (6) to move along with said push plate (5); the actuation assembly (6) and the spring (7) are mounted inside a hole (81) of the rotary shaft (8); the rotary ring (9) is arranged on the surface of the rotary shaft (8) such that said two elements rotate about a same central shaft; and the movement of the actuation assembly (6) causes the rotary shaft (8) and the rotary ring (9) to engage and disengage.</p> |