A plate A (3), a plate B (5), a plate B (5), a universal ball screw C (4), a plate D (6), an ergonomic spring supporting palm backrest (7), an artificial mechanical supporting palm backrest (8) and a spring supporting palm backrest (9) are taken, the thickness of the three iron sheets is 3mm, the width of the plate A (3) is 30cm, the height of the plate A (3) is 40cm, the width of the plate B (5) is 30cm, the height of the plate B (5) is 25cm, the diameter of the plate B (5) is 16mm, the height of the universal ball screw C (4) is 80mm, and the width of the plate D (6) is 30cm, and the height of the plate D (6) is 13cm. The C universal ball head screw is vertically placed between the A plate and the B plate, the A plate and the B plate are vertically fixed at the middle position WK of the B plate VM and the A plate LF, the vertical distance between the C universal ball head screw and the GS at the W point of the B plate is 5 cm, the vertical distance between the C universal ball head screw and the NH at the K point of the A plate is 16 cm, the A plate and the B plate can freely rotate with the C universal ball head screw as the fulcrum, and the D plate is vertically welded at the edge line of the bottom of the OT of the B plate through electric welding. Then the waist support backrest is placed on the seat, the plate B is placed close to the back of the automobile seat, the OT coincides with the bottom EI of the seat, the RP is inserted into the seat from a gap in the bottom EI of a seat base in parallel, the ergonomic spring supporting palm backrest is installed on the plate A and fixed through screws, and the back of a person abuts against the ergonomic spring supporting palm backrest.

    取厚度3毫米ABD三块铁皮和C万向球头螺丝,A板(3)宽30厘米、高40厘米,B板(5)宽30厘米、高25厘米,C万向球头螺丝(4)直径16毫米、高80毫米,D板(6)宽30厘米、高13厘米,人工学弹簧支掌靠背(7)(用磨具压制成环绕腰部人工力学支掌靠背),C万向球头螺丝垂直放在AB两板中间于B板VM和A板LF中间位置WK处垂直固定AB两板,C万向球头螺丝在B板W点距GS垂直距离5厘米,C万向球头螺丝在A板K点距NH垂直距离16厘米,AB两板以C万向球头螺丝为支点可以自由转动,D板在B板OT底部边沿线用电焊垂直焊接,然后将护腰靠背放在座椅上,B板放在紧靠汽车座椅后背,使OT与座椅底部EI重合,RP平行从座椅底座底部EI缝隙插入进去,人工学弹簧支掌靠背安装在A板上用螺丝固定,人后背紧靠人工学弹簧支掌靠背。


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    Title :

    Waist support backrest device


    Additional title:

    护腰靠背装置


    Contributors:

    Publication date :

    2023-02-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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