弹簧锁

spring lock

crossball / bullet / shot / shell / ball

to pluck (a string) / to play (a string instrument) / to spring or leap / to shoot (e.g. with a catapult) / (of cotton) to fluff or tease / to flick / to flip / to accuse / to impeach / elastic (of materials)

spring

metallic reed / spring of lock

to lock up / to lock / lock / CL:把[ba3]

old variant of 鎖|锁[suo3]