摘要：【中文】本发明公开了一种自适应组合扳手，包括前端加工有大尺寸扳手孔的扳手本体、逐层插接且轴向限位在所述扳手本体大尺寸扳手孔内的多个扳手套，以及分别设置在每个扳手套后端的复位弹簧；所述的各个扳手套内腔加工为不同尺寸的扳手孔，每个扳手套的外形与外侧扳手套的内形相匹配，最外侧扳手套的外形与扳手本体大尺寸扳手孔的内形相匹配；组合扳手的前端推入待装配螺栓或螺钉的后端，小于待装配螺栓或螺钉后端尺寸的扳手套向后压缩与其对应的复位弹簧，使相匹配尺寸的扳手套套在待装配螺栓或螺钉后端，转动组合扳手即可完成装配。本发明的组合扳手能够自动适应不同尺寸螺栓或螺钉的装配。 【EN】The invention discloses a self-adaptive combined wrench, which comprises a wrench body, a plurality of wrench sleeves and a reset spring, wherein the front end of the wrench body is provided with a large-size wrench hole, the wrench sleeves are inserted layer by layer and axially limited in the large-size wrench hole of the wrench body, and the reset spring is arranged at the rear end of each wrench sleeve; the inner cavity of each wrench sleeve is processed into wrench holes with different sizes, the appearance of each wrench sleeve is matched with the inner shape of the outer wrench sleeve, and the appearance of the outermost wrench sleeve is matched with the inner shape of the large-size wrench hole of the wrench body; the front end of the combined wrench is pushed into the rear end of the bolt or the screw to be assembled, the wrench sleeve with the size smaller than the rear end of the bolt or the screw to be assembled compresses the reset spring corresponding to the wrench sleeve backwards, the wrench sleeve with the matched size is sleeved at the rear end of the bolt or the screw to be assembled, and the combined wrench is rotated to complete assembly. The combined wrench can automatically adapt to the assembly of bolts or screws with different sizes.