Supporting Frame of Folding Chair and Folding Chair With Adjustable Backrest

摘要

The present application provides a supporting frame of a folding chair, including a frame body and backrest support rods arranged on two sides of the frame body. The backrest support rod includes a first support rod hingedly connected to a top connecting member of the frame body, a second support rod sleeved to the first support rod, a sliding sleeve hingedly connected to an end portion of the second support rod, and a return member arranged between the first support rod and the second support rod. The sliding sleeve is sleeved on a forward-tilting chair rod of the frame body. The present application further provides a folding chair with an adjustable backrest which allows the user to easily adjust the angle of the backrest when sitting on the folding chair.

主权项

1. A supporting frame of a folding chair, comprising a frame body and backrest supporting rods arranged at two sides of the frame body, wherein each of the backrest supporting rods comprises:
a first supporting rod hingedly connected to the frame body; a second supporting rod sleeved to the first supporting rod; a sliding sleeve sleeved on a forward-tilting chair rod of the frame body, and an end, which is not connected to the first supporting rod, of the second supporting rod is hingedly connected to the sliding sleeve; and a return member arranged between the first supporting rod and the second supporting rod.