The invention discloses a subway vehicle seat surface profile design method which is characterized by comprising the following steps: S1, determining a waist rest convex point line h1 and a seat cushion front line line h2 on a vertical plane of a floor, and determining a seat surface line h3 between the waist rest convex point line h1 and the seat cushion front line line h2; s2, determining an ischium point o1 on the seat surface line h3; s3, determining a waist support point o2 on the waist rest convex point line h1; s4, making a backrest arc line m1 passing through the waist support point o2 above the waist support point o2; s5, making a posterior arc m2 connecting the two points between the ischium point o1 and the lumbar support point o2; and S6, making a knee leaning arc m3 at the connecting part of the seat surface line h3 and the seat cushion front line line h2 to connect the seat surface line h3 and the seat cushion front line line h2. According to the design method for the seat surface profile of the metro vehicle seat, good supporting performance and comfort can be provided.
本发明公开了一种地铁车座椅椅面型线设计方法,其特征在于,包括如下步骤:S1、在地板的垂直平面上确定腰靠凸点线h1及座垫前沿线h2,并在腰靠凸点线h1及座垫前沿线h2之间确定椅面线h3;S2、在椅面线h3上确定坐骨点o1;S3、在腰靠凸点线h1上确定腰撑点o2;S4、在步腰撑点o2上方作过腰撑点o2的靠背弧线m1;S5、在坐骨点o1及腰撑点o2之间作连接两点的后位弧线m2;S6、在椅面线h3与座垫前沿线h2的连接部分处作膝靠弧线m3连接二者。本发明设计的地铁车座椅椅面型线设计方法,其能够提供良好的支撑性及舒适性。
Subway vehicle seat surface profile design method
一种地铁车座椅椅面型线设计方法
2024-08-09
Patent
Electronic Resource
Chinese
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL |