Weight adjustment rod for back trainer

Abstract

The utility model provides back training device is with counterweight adjusting lever belongs to back training device is with counterweight adjusting lever technical field, to solve the problem that the back training device is used easily to lead to the trainer to pull the wound when the phenomenon of the counterweight block appears skew jam, including adjusting lever main part, guide installation rod, counterweight block, sliding limit board, limit structure, positioning structure, press switch and audible -visual alarm, the guide installation rod fixed connection in the middle part of adjusting lever main part, counterweight block sliding connection in the outside of guide installation rod, sliding limit board sliding connection in the left and right sides of counterweight block, press switch setting in the upper portion of sliding limit board, audible -visual alarm bolt connection in the front side of adjusting lever main part, the utility model discloses when the counterweight block appears skew jam can remind the user to stop operating in time, avoided the condition that the trainer pulled the wound, improved the use security of back training device.

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