(EN) The invention relates to an adjustable dumbbell and a using method thereof. The adjustable dumbbell comprises a base and a dumbbell body, wherein the dumbbell body comprises a handle and dumbbell pieces; the handle is a combined body of a central shaft and a handle sleeve; the handle is further connected with an index plate, a gear piece and a dumbbell piece box; clamp spring grooves and gear steps are formed at the ends of the two sides of the center shaft from outside to inside; a locking piece positioning groove and a steel ball gear hole are formed in the index plate; the dumbbell piece box is connected with a dumbbell piece box cover; a locking piece spring and a steel ball spring are connected to the dumbbell piece box cover; a locking piece is connected to the locking piece spring;and a steel ball is connected to the steel ball spring. The adjustable dumbbell can automatically select different using weights, visually display the weight and achieve the automatic locking and unlocking functions, is convenient, simple, easy to operate, is safe and efficient, and solves the problems that according to an existing weight-adjustable dumbbell, dumbbell pieces need to be manually disassembled, operation is troublesome, using is inconvenient and the safety performance is poor.
(ZH) 本发明涉及一种可调节哑铃及其使用方法，该哑铃包括底座和哑铃本体，所述哑铃本体包括手柄和铃片，所述手柄为中心轴和手把套的结合体，所述手柄还连接有分度盘、档位片和铃片盒，所述中心轴两侧端部由外向内设置卡簧槽和档位台阶，所述分度盘上设有锁片定位槽和钢珠档位孔，所述铃片盒连接有一铃片盒盖，所述铃片盒盖上连接有锁片弹簧、钢珠弹簧，所述锁片弹簧上连接有一锁片，所述钢珠弹簧上连接有一钢珠。本发明能够自动选择不同使用重量，直观显示重量，自动上锁解锁功能，方便简洁、易于操作，安全高效，解决了现有可调节重量哑铃需要手工拆卸铃片，操作麻烦，不便于使用，安全性能差等问题。
