An adjustable office chair armrest and office chair

Abstract

The utility model belongs to office chair technical field, concretely relates to adjustable office chair handrail and office chair, handrail includes the bottom bar of being equipped with hollow slot, support rod, control handle, support rod includes sliding part and support part, is provided with fixed block on the cavity inner wall of support part, control handle includes rotating block, sliding plate, control board, locating rod, is provided with sliding slot on the groove wall of hollow slot, is provided with a plurality of limit slot on the groove wall of sliding slot, locating rod is along height direction and slides in sliding slot, and can swing between entering limit slot and far away from limit slot, is provided with a plurality of fixed protrusions matched with limit slot position on the groove wall of hollow slot, is provided with pronunciation part on the side end of fixed protrusion of sliding plate, pronunciation part and fixed protrusion collide and emit first sound. The utility model aims at optimizing the transformation of handrail, to increase the indicating effect when adjusting handrail, avoid the unexpected situation such as hanging empty, and then improve the comfort and security of office chair.

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