Folding swing chair

Abstract

A folding swing chair includes a folding mechanism. The folding mechanism includes two upright rods, two oblique support mechanisms and a linkage mechanism connected between the two oblique support mechanisms. When the folding mechanism is unfolded, the upright rods, the oblique support mechanisms and the bottom frame rods form a triangular structure while the upright rods are tilted toward the front of a chair body. First connection pieces have a combination through hole allowing the corresponding upright rod to run through. The first connection pieces are slidably sleeved on the upright rods through the combination through holes. The combination through holes have two columnar through holes, with central axes of the two columnar through holes intersecting. The folding swing chair uses a single-side-designed folding mechanism to ensure the stability of the chair while reducing the materials used by the chair body.

1 . A folding swing chair, comprising a folding mechanism, wherein the folding mechanism comprises two upright rods, two oblique support mechanisms and a linkage mechanism connected between the two oblique support mechanisms, the oblique support mechanisms comprise an oblique support rod, a bottom frame rod, a first connection piece and a rear support foot, the linkage mechanism comprises two linkage rods configured to be crossed and hinged to each other, upper ends of the two oblique support rods are respectively hinged to two first connection pieces, upper ends of the two linkage rods are also respectively hinged to the two first connection pieces, lower ends of the two linkage rods are respectively hinged to two rear support feet, first ends of two bottom frame rods are respectively hinged to the two rear support feet, second ends of the two bottom frame rods are respectively hinged to the two oblique support rods, and lower ends of the two upright rods are respectively hinged to the two linkage rods;
 when the folding mechanism is unfolded, the upright rods, the oblique support rods and the bottom frame rods form a triangular structure while the upright rods are tilted toward the front of a chair body;   the first connection pieces each have a combination through hole allowing the corresponding upright rod to run through, the first connection pieces are slidably sleeved on the upright rods through the combination through holes, and the combination through holes have two columnar through holes, with central axes of the two columnar through holes intersecting.   
     
     
         2 . The folding swing chair of  claim 1 , further comprising a seat cushion and two support rods, wherein the two support rods are respectively supported at both sides of the seat cushion, the upright rods are inserted into the corresponding support rods such that the support rods are allowed to move along the upright rods; when the folding chair is unfolded and the seat cushion bears a heavy load, the bottoms of the support rods tightly press the first connection pieces respectively. 
     
     
         3 . The folding swing chair of  claim 2 , wherein a suspension strap is connected respectively to both sides of the seat cushion, and the support rods are connected with the suspension straps through a second connection piece respectively and held against the suspension straps. 
     
     
         4 . The folding swing chair of  claim 3 , wherein a third connection piece is fixed on the linkage rods and lower ends of the upright rods are respectively hinged to the third connection pieces. 
     
     
         5 . The folding swing chair of  claim 4 , further comprising a foot pad, wherein lower ends of the oblique support rods are hinged to the foot pads respectively. 
     
     
         6 . The folding swing chair of  claim 1 , wherein the first connection piece further comprises an accommodation chamber, a control block, a spring and a lock pin, the control block is hinged to the accommodation chamber through a pivot, a control part and a lock part of the control block are located at both sides of the pivot respectively, the spring and the lock pin are disposed inside the accommodation chamber, both ends of the spring are abutted against the control part and the accommodation chamber respectively, the lock pin is connected to the lock part by a fixing pin, and a free end of the lock pin is configured to be penetrated through the accommodation chamber and inserted into a lock hole of the corresponding upright rod. 
     
     
         7 . The folding swing chair of  claim 6 , wherein a suspension strap is connected respectively to both sides of the seat cushion, and the upright rods are connected with the suspension straps through a second connection piece respectively and held against the suspension straps. 
     
     
         8 . The folding swing chair of  claim 7 , wherein a third connection piece is fixed on the linkage rods and lower ends of the upright rods are respectively hinged to the third connection pieces. 
     
     
         9 . The folding swing chair of  claim 8 , further comprising a foot pad, wherein lower ends of the oblique support rods are hinged to the foot pads respectively.