Back and seat fixing structure of folding chair for viewing

摘要

(1) The technical field to which the invention described in the claims belongs.;It is an improvement of the structure that fixes the back and the seat when the folding folding chair is configured.;(2) The technical problem that the invention is trying to solve.;In the past, the fixing configuration was complicated and not robust, and in particular, it was very inconvenient to replace the back plate and the seat plate.;(3) Summary of solution of design.;On the lower sides of the back plate 10 and the seat plate 20, "The fixing insertion grooves 15 and 25 of the type were configured to fit the back plate fixture 31 and the seat plate fixture 32 of the folding mechanism 30, and then to fix it with the fixing bolt (7).;(4) Important uses of the design.;Applying the structure of this paper to the folding folding chair makes it very easy to replace the back plate and the seat plate while being firmly combined.