A waist support backrest main plate B, a waist support backrest supporting palm plate L, a waist support backrest supporting column plate A and an iron folding hinge C are fixedly connected with one another, the waist support backrest supporting palm plate (8) and the waist support backrest supporting palm plate (9) are perpendicularly fixed to a spring G, the spring G (9) and the spring G (21) are perpendicularly fixed to a spring base H, and air heaters (11) and (10) are fixedly installed on the waist support backrest main plate B; an iron folding hinge C (20), an iron folding hinge C (10) and an iron folding hinge C (12) are fixedly connected with a waist support backrest main plate B and a waist support backrest supporting column plate A (13), a waist support backrest plate D (13) is parallelly inserted into a gap EI between an automobile seat base and an automobile seat back, the body of a person abuts against waist support backrest supporting plates, the two supporting plates tightly hold the waist of the person through elasticity of a spring, and the waist support backrest supporting column plate abuts against the back of the automobile seat. When the human body sits straight or leans backwards, the human body rotates along with rotation of the waist support backrest main plate B.
护腰靠背主板B、护腰靠背支掌板L、护腰靠背支柱板A、铁折合页C互相固定连接起来,(8)和(9)护腰靠背支掌L板和弹簧G垂直固定,(9)和(21)弹簧G和弹簧底座H垂直固定,(11)和(10)风暖器固定安装在护腰靠背主板B上,(20)和(10)和(12)是铁折合页C固定连接护腰靠背主板B和护腰靠背支柱板A,(13)是护腰靠背D板平行插入汽车座椅底座与汽车座椅后背缝隙EI内,人的身体紧靠护腰靠背支掌板,弹簧弹性让两个支掌板紧抱人体腰部,护腰靠背支柱板紧靠汽车座椅后背,在开车时,人体坐直或者后仰,人的身体随护腰靠背主板B转动而转动。
Waist support backrest device
护腰靠背装置
2024-06-14
Patent
Electronic Resource
Chinese
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