Headrests for universal folding chairs

Abstract

A headrest for universal folding chairs comprises a fixed seat fixedly attachable to the top of the backrest of the folding chair and a headrest, where the headrest is located in the fixed seat by a support rod member. This utility model provides a clever and rational design, and expands the use function of folding chairs. Where, the headrest is fixedly attached to the top of the backrest of the folding chair with the help of a fixed seat, so as to provide a head support at the time of rest. Moreover, the supporting angle of the headrest is properly adjustable relative to the fixed seat, so as to achieve a more comfortable experience.

We claim: 
     
         1 . A headrest for universal folding chairs, comprising a fixed seat fixedly attachable to the top of the backrest of the folding chair and a headrest, where the headrest is located in the fixed seat by a support rod member. 
     
     
         2 . A headrest for universal folding chairs defined in  claim 1 , wherein the support rod member is fixed with a headrest at one end, and is located in a shaft hole of the fixed seat on the other end through a rotating shaft. The headrest can turn around the rotating shaft towards the inner side of the backrest of the folding chair. 
     
     
         3 . A headrest for universal folding chairs defined in  claim 2 , wherein the rotating shaft is a structure selected from one of a rivet, a bolt, or an elastic pin. 
     
     
         4 . A headrest for universal folding chairs defined in  claim 2 , wherein the shaft hole of the fixed seat is a herringbone structure. The rotating shaft of the locating support rod is slidable in the herringbone shaft hole to adjust the angle of the headrest. 
     
     
         5 . A headrest for universal folding chairs defined in  claim 3 , wherein a hole of the above herringbone shaft hole is designed to have a bevel edge. 
     
     
         6 . A headrest for universal folding chairs defined in  claim 2 , wherein the support rod member is a eudipleural structure including two support rods, with their upper ends jointly support the headrest, and their lower ends are respectively located in their respective fixed seat by a rotating shaft. 
     
     
         7 . A headrest for universal folding chairs defined in  claim 1 , wherein the support rod member is a eudipleural structure including two support rods, with their upper ends jointly support the headrest, and their lower ends are respectively located in their respective fixed seat by a rotating shaft. 
     
     
         8 . A headrest for universal folding chairs defined in  claim 1 , wherein, the support rod member is fixed with a headrest at one end, and runs through a sliding sleeve reserved in the fixed seat at the other end, and is provided with a locating mechanism in contact with the sliding sleeve. 
     
     
         9 . A headrest for universal folding chairs defined in  claim 8 , wherein, the locating mechanism is a spring lock installed on one side of the fixed seat.