汽车座椅设计

`汽车座椅腰部支撑机构的CAD设计作者姓名：黄性杰指导教师：郭立新单位名称：机械工程与自动化专业名称：机械工程及自动化东北大学2009年6月CADDesignoftheseatbacksupportbyHuangXingjieSupervisor:ProfessorGuoLixinNortheasternUniversityJune2009东北大学毕业设计(论文)摘要iii汽车座椅腰部支撑机构分析摘要随着国民经济的蓬勃发展，汽车已成为当前极为重要的交通运输工具。国外工业发达的国家都将汽车工业作为国民经济支柱产业之一。改革开放以来，我国汽车工业取得了较大的发展，今后汽车工业的发展重点已逐步转向独立的对汽车及零部件的研究和开发。汽车座椅是汽车的一个重要组成部分，它直接影响汽车整体性能。本文叙述了座椅主要部件的设计要求，以及通过对座椅舒适性的研究，运用SolidWorks软件进行分析建模，设计了腰部支撑机构和座椅的骨架，并对某些重要元件进行了校核，确保了机构的合理性。本文主要的工作如下：(1)查找汽车座椅重要部件的设计要求，对座椅的设计有个总体的了解，并根据各个部件的设计要求，初步确定座椅的外形及尺寸大小。(2)通过对座椅舒适性的研究，从影响舒适性的各个因素出发，设计座椅的一些结构，使所设计的座椅尽量符合人的需求，并对驾驶员的坐姿、座椅的振动频率等进行了研究，(3)分析了汽车座椅各个方面的现状，并详细介绍了CAD在汽车座椅方面的应用，运用SolidWorks软件设计腰部支撑机构和座椅的骨架，对具体结构尺寸进行了设计，同时运用软件对机构进行优化设计，阐述了腰部支撑部件的有关原理与求解方法。(4)对关键部件进行了校核，保证了座椅结构的安全性能。综合以上工作，对汽车座椅做出了整体的设计，达到了设计任务的要求。关键词：汽车座椅,腰部支撑,CAD设计,结构设计。东北大学毕业设计(论文)AbstractvAnalysisoflumbarsupportcarseatstudyAbstractWiththerapiddevelopmentofthenationaleconomy,carshavebecomeextremelyimportanttoolsoftransport.Industrialdevelopedcountriesabroadseetheautomotiveindustryasoneofthepillarindustriesofthenationaleconomy.Sincereformandopeningup,China'sautomobileindustryhasmadegreatdevelopment.Thedevelopmentofautomobileindustryhasbeengraduallyturningpointofautomobileandautomobilepartsofindependentresearchanddevelopment.Carseatisanimportantpartofcar,anditdirectlyinfluencetheoverallperformance.Thisarticledescribesthedesignrequirementsofthemainpartsofthecarseat,andthroughthestudyofseatcomfort,usingSolidWorkssoftwaremodeling,designanalysisandthewaistsupport,andtheskeletonoftheseatonsomeimportantcomponent,ensuretherationalityoftheorganization.Thispaperworksareasfollows:(1)Lookinguptheimportantcomponentcarseatdesignrequirements,theseatofageneralunderstandingofdesign,andaccordingtothedesignrequirementsofeachcomponentandseatappearanceandsize.(2)Throughthestudyofseatcomfort,comfortfromtheinfluencefactorsoftheseat,design,makesomestructuredesignofseattoconformtotheneedsofpeopleandthedriverseatvibrationfrequencyposture,etc.Werestudied.(3)Analyzedthestatusofeachcarseat,andintroducesindetailCADapplicationinautomobileseat,SolidWorkssoftwaredesignwaistsupportorganizationsandseatontheskeleton,thedesignofconcretestructuresizeofinstitutions,atthesametime,softwareoptimizationdesign,expoundsthewaistsupportcomponentsrelatedtheoryandmethod.(4)Forkeycomponentstocheckthesafetyperformanceoftheseatstructure.Keywords:carseat,lumbarsupport,CADdesign,structuraldesign.东北大学毕业设计(论文)目录vii目录毕业设计(论文)任务书................................................................错误!未定义书签。摘要..............................................................................................................................iiiAbstract..................................................................................................................................v目录..........................................................................................................................vii第1章绪论.......................................................................................................................11.1汽车座椅设计综述......................................................................................................11.2座椅设计的基本原则...................................................................................................11.3汽车座椅主要部件的设计..........................................................................................11.3.1.靠背...................................................................................................................21.3.2.坐垫...................................................................................................................21.3.3.头枕...................................................................................................................31.3.4.座椅蒙皮...........................................................................................................41.3.5.泡沫软垫...........................................................................................................41.3.6.座椅骨架...........................................................................................................41.3.7.减振机构...........................................................................................................51.3.8.调节机构...........................................................................................................51.4本课题的研究内容和意义........................................................................................6第2章汽车座椅舒适性研究.................................................................................92.1从汽车舒适性到座椅舒适性....................................................................................92.2汽车座椅舒适性的指标体系设计..........................................................................92.3国内外研究..................................................................................................................112.4对座椅的舒适性要求................................................................................................13东北大学毕业设计(论文)目录viii2.5振动频率对人体的影响......................................