| 摘要 |
An electrical liner actuator for a lock includes a motor, a rotating shaft connected with the motor, a spring sleeved on the rotating shaft and a pin arranged on the rotating shaft and also comprises a slider provided with a frame capable of receiving the shaft and the spring; hole grooves for limiting the rotating shaft are formed on the frame wall; the spring comprises a first winding, end coils and second windings; the first winding is arranged in the middle of the spring; the end coils are respectively arranged at both ends of the spring and coaxial with the first winding; the second windings are arranged between the first winding and the end coils, and excircles of the second windings are convex relative to the first winding; and third windings coaxial with the first winding can be arranged between the second windings and the end coils.
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