Double-stay-wire manual adjustable waist support

The invention belongs to the field of automotive seat accessories, and particularly relates to a double-stay-wire manual adjustable waist support, which comprises a metal curtain main body and an adjuster, and is characterized in that a double-stay-wire structure with two stay wires is adopted for the adjuster; the metal curtain main body is formed by assembling vertical plastic coated steel wires, horizontal steel wires, horizontal steel wires with hooks and a positioning pipe, wherein a plurality of horizontal steel wires and at least two horizontal steel wires with the hooks penetrate the positioning pipe, and the two ends of each horizontal steel wire are fixed on the vertical steel wires inthrough a winding and knotting manner; one end of each stay wire is connected with the adjuster; the other end of the stay wire is connected with a stay wire hook; and fixing clips are respectively arranged on the two vertical plastic coated steel wires; and the two hooks on the stay wire are arranged at the outer end of each fixing clip. With the adoption of the double-stay-wire manual adjustable waist support, through arranging double stay wires on the adjuster, the defect that a single-stay-wire adjustable waist support is short in adjustment stroke, low in adjustment speed, large in operating force and low in support height is overcome; and the double-stay-wire manual adjustable waist support has the advantages of being simple and reasonable in structure, flexible in adjustment, easy to achieve the support height of the waist, low in cost, low in operating force, and stable in stroke and the like.