Abstract: This invention relates to a clamp with elastic opening function, which includes at least a first clamping body and a second clamping body. Said first clamping body is provided with a first clamping portion and a first axle seat, said second clamping body is provided with a second clamping portion and a second axle seat, said first clamping portion and second clamping portion are arranged in correspondence with each other. Said first axle seat and second axle seat are pivotally connected to each other through a pivot, so that said first clamping body and second clamping body can rotate relatively. The upper end of said first axle seat is provided with a first pressing portion, and the lower end of said second axle seat is provided with a second pressing portion, a spiral clutch device and an elastic telescopic torsion member are arranged between said first axle seat and second axle seat.

Abstract: This invention relates to an innovative recyclable hair clip, which includes at least a clip body and a twisted plastic elastic sheet. Said clip body 1 is provided with a first body 10 and a second body 11, said first body 10 is provided with a first clamping portion 100 and a first pressing portion 101, and said second body 11 is provided with a second clamping portion 110 and a second pressing portion 111; a pivoting fastening mechanism 12 is arranged between said first body 10 and said second body 11, through which said first body 10 and said second body 11 can be pivotally opened and clamped to each other. Said twisted plastic elastic sheet is inserted inside said clip body, so the recyclable hair clip can be assembled quickly to effectively reduce the manufacturing cost, and the whole used hair clip can be recycled and reused.