Reversing structure for backrest of PRAM

摘要

Disclosed is a reversing structure for the backrest of a pram. The front ends of seat carrier bend pipes (20) of a backrest mechanism (2) arranged in the middle part of a pram frame (1) are respectively connected to front foot tubes (10) of the pram frame (1), with the rear ends of the seat carrier bend pipes (20) respectively connected to the lower ends of rear foot pipes (11) of the pram frame (1), and with the rear ends of seat carrier straight pipes (21) respectively connected to the upper ends of the rear foot pipes (11) via sliding sleeves (12) so that they are able to slide. The front ends of the seat carrier straight pipes (21) are respectively connected to segmented pieces (22) fixed to the seat carrier bend pipes (20); segmented snap grooves (221) are arranged on the inner side of the segmented pieces (22); backrest pipes (24) are connected to the side corresponding to the segmented snap grooves (221) via snap screws (23); the backrest pipes (24) are fastened to a backrest plate (26) via supporting pieces (25); and backrest tension lines (27) are threaded through the backrest pipes (24). An in-pipe sliding sleeve (28) is connected to the end of the backrest tension line (27) corresponding to the segmented piece (22) via a tension line shank head (271); the in-pipe sliding sleeve (28) is connected to the backrest pipe (24) via a segmented pin (281) so that it is able to slide; the other end of the backrest tension line (27) is connected to a backrest tension shank (29), and the backrest tension shank (29) is elastically connected to the backrest plate (26). The structure thereof can achieve easy reversing of the backrest part of a pram, resulting in more interactivity between parents and a baby, helping to promote intimacy between parent and baby.

主权项

1. A reversing structure for a backrest of a baby carriage, the reversing structure comprising:
a carriage frame comprising a front foot tube connected to a back foot tube; and a back mechanism arranged at a center of the carriage frame, wherein the back mechanism is capable of reversing the backrest for supporting a child in either a forward facing or rearward facing position, comprising
a front end of a seat frame elbow connected to the front foot tube;a back end of the seat frame elbow connected to the lower end of the back foot tube; anda segmented piece directly connected to the seat frame elbow; anda back end of a straight tube of a seat frame connected to an upper end of the back foot tube via a sliding sleeve and a front end of the straight tube connected to the segmented piece.