Folding chair frame the height of which can be adjusted

一种高度可调节的折叠椅架

Abstract

The utility model discloses a height adjustable folding chair frame, comprising a folding supporting frame, a chair seating frame and a backrest frame. The folding supporting frame is composed of two groups of zygomorphic scissors shape crossing frames, each group of the crossing frames is composed of front connecting rods and rear connecting rods hinged crossly, a first connecting element is firmly fixed between the front connecting rods, and a second connecting element is firmly fixed between the rear connecting rods; the chair seating frame is composed of a zygomorphic connecting seat and a fixing element fixed between the two connecting seats, the front part of the connecting seat is hinged with the top end of the front connecting rod, and an adjusting element is firmly arranged at the rear part of the connecting seat; the backrest is composed of two backrest rods, and the bottom parts of the backrest rods are hinged at the upper parts of the rear connecting rods and connected on the front side of the upper part of the rear connecting rods stably; a clipping column is firmly arranged at the upper end part of the rear connecting rod, the clipping column can be clipped in a limiting tooth in the plurality of limiting teeth of the adjusting element selectively. The folding chair frame can be folded, can be lifted, and during the adjustment of the chair seat frame height, the backrest angle can be adjusted together to match the folding chair height.
本实用新型公开了一种高度可调节的折叠椅架,它包括一折叠支撑架、一椅坐架及一靠背架:折叠支撑架包括两组左右对称并排的剪刀状交叉架,每组交叉架包括交叉枢接的前连杆和后连杆,两前连杆之间固设有第一连动件,两后连杆之间固设有第二连动件;椅坐架包括两左右并排的联接座及一固定在两联接座之间的固定件,联接座前部和前连杆顶端枢接联接,联接座后部固设有调节件;靠背架包括两靠背杆,靠背杆的底端部枢接于后连杆上部并可定位地靠接于后连杆上部前侧面;后连杆上端部固设有卡接柱,卡接柱可选择地卡接于调节件若干个限位齿中的一个限位齿。折叠椅架可折叠、可升降,调节椅坐架高度过程中能自动连动地调节靠背角度以匹配于折叠椅高度。

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