CN101456365B - 用于车辆座椅的高度调整装置 - Google Patents

用于车辆座椅的高度调整装置 Download PDF

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CN101456365B
CN101456365B CN2008101711626A CN200810171162A CN101456365B CN 101456365 B CN101456365 B CN 101456365B CN 2008101711626 A CN2008101711626 A CN 2008101711626A CN 200810171162 A CN200810171162 A CN 200810171162A CN 101456365 B CN101456365 B CN 101456365B
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seat
tooth bar
attaching parts
lateral frame
miniature gears
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CN101456365A (zh
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崔秉龙
朴相度
郑东佑
李洸鲁
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Hyundai Motor Co
Kia Corp
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Kia Motors Corp
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246Electric motors therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/1605Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the cinematic
    • B60N2/161Rods
    • B60N2/1615Parallelogram-like structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/1635Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the drive mechanism
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/1635Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the drive mechanism
    • B60N2/164Linear actuator, e.g. screw mechanism
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/1635Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the drive mechanism
    • B60N2/165Gear wheel driven mechanism
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/18Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
    • B60N2/1807Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by the cinematic
    • B60N2/181Rods
    • B60N2/1814Parallelogram-like structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/18Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
    • B60N2/185Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by the drive mechanism
    • B60N2/1875Racks

Abstract

一种用于车辆座椅的高度调整装置,可包括设置在座椅的座椅部分的两个侧面端部上的座椅侧面框架,每一个该座椅侧面框架通过前连接件和后连接件而连接于座椅支架上,使所述座椅侧面框架彼此连接的支承杆,设置在座椅侧面框架上的小齿轮,在其一个端部上具有与小齿轮的上端部相啮合的齿条且在其另一端部连接于位于底部框架上的前连接件的铰链的齿条连接件,从而,当小齿轮被驱动的时候,齿条连接件向前拉动座椅侧面框架从而将其提升,以及设置在座椅侧面框架上从而位于齿条上方的支承销。

Description

用于车辆座椅的高度调整装置
相关申请的交叉引用 
本申请要求于2007年12月14日提交的申请号为10-2007-0131010的韩国申请的优先权,通过引用将该申请所公开的内容纳入本文。 
技术领域
本发明涉及用于车辆座椅的高度调整装置,并且更特别地,涉及用于设置在较低的座椅框架(seat frame)上从而调整车辆座椅的高度的车辆座椅的高度调整装置。 
背景技术
如本领域的技术人员所熟知的,车辆座椅包括座椅部分,其位于乘客的臀部下面,用于支承乘客的臀部,还包括靠背部分,其支承乘客的背部。传统上,为了使靠背部分向后倾斜或者使靠背部分直立起来,提供有手动的控制设备。另外,为了确保放脚空间,所述座椅构造为其座椅部分可向前或者向后移动。当前,所述座椅的这种操作是通过使用电动机和齿轮组件来实现的。 
在传统的车辆座椅中,安装于车辆中的座椅支架(seatbrackets)通过连接件(links)连接于座椅侧面框架上,该座椅侧面框架设置在座椅部分的两个侧面端部上。为了调整所述座椅的高度,将齿轮组件安装于所述座椅部分的较低部分上,从而可通过电动机的转动而向上和向下移动所述座椅部分。 
用于车辆座椅的传统的高度调整装置构造为将小齿轮安装于每一座椅侧面框架,且将齿条安装于每一连接件上。因此,当小齿轮由电动机所驱动的时候,该小齿轮与所述齿条一同运行,从而使所述座椅部分向上或者向下移动。 
然而,所述传统高度调整装置的问题在于,所述座椅不能 经受住在发生正面撞击时所产生的惯性(inertia),从而升高的座椅被不合需要地移开并且快速地降低,因此威胁到乘客的安全。这是因为所述齿条和小齿轮之间的啮合力具有结构上的不足。 
在本发明背景部分所公开的信息只用于加深对本发明的背景的理解,而不应当被视为承认或以任何形式暗示该信息构成已为本领域一般技术人员所公知的现有技术。 
发明内容
本发明的实施例提供一种用于车辆座椅的高度调整装置,通过该高度调整装置可调整座椅的高度,且甚至在发生正面撞击时亦可避免小齿轮从齿条中脱离,因此可保持座椅的高度,从而保护乘客的安全。 
更特别地,本发明的示例性实施例可提供用于车辆座椅的高度调整装置,包括:座椅支架,其配置为将座椅安装于车辆上;底部框架,其配置为可滑动地安装于所述座椅支架上;座椅侧面框架,其设置在座椅的座椅部分的两个侧面端部上,用于支承座椅部分,每一个该座椅侧面框架通过前连接件和后连接件而连接于座椅支架上;支承杆,其用于使所述座椅侧面框架彼此连接;小齿轮,其设置在相关座椅侧面框架上,用于调整座椅部分的高度;齿条连接件,该齿条连接件在其第一端部上具有齿条,该齿条与小齿轮的上端部相啮合,并且该齿条连接件在其第二端部连接于前连接件的铰链(hinge),该铰链位于所述底部框架上,从而,当小齿轮被驱动的时候,齿条连接件向后拉动座椅侧面框架从而将其提升;以及支承销,其设置在座椅侧面框架上,从而位于齿条上方,并且保持齿条与小齿轮的啮合。 
制动突出部(stopper protrusion)可设置在齿条的端部,且通过支承销而制动,从而避免齿条在座椅部分的下降状态下移走。 
在本发明的另一示例性实施例中,一种用于车辆座椅的高度调整装置,可包括:座椅支架,其配置为将座椅安装于车辆上;底部框架,其配置为可滑动地安装于所述座椅支架;座椅侧面框架,其设置在座椅的座椅部分的两个横向侧面(lateral sides)上以支承所述座椅部分;前连接件,其枢转地连接所述底部框架的前部和所述座椅侧 面框架的前部;至少一个后连接件,其枢转地连接所述底部框架的后部和所述座椅侧面框架的后部;支承杆,其枢转地连接两个座椅侧面框架的后部;小齿轮,其设置在一个所述座椅侧面框架上,用于调整所述座椅部分的高度;齿条连接件,其中所述齿条连接件的第一端部与所述小齿轮的上部相啮合,且所述齿条连接件的第二端部共轴连接于所述前连接件的下部,所述前连接件的下部连接于所述底部框架;以及支承销,其设置在座椅侧面框架上,所述支承销在竖直方向上位于齿条的上方,在水平方向上位于所述前连接件的下端部和所述小齿轮之间,且保持所述齿条与所述小齿轮的啮合。 
所述齿条连接件可具有“S”形的形状,且在所述座椅部分的下降状态时,齿条的纵向方向在所述底部框架的纵向方向上基本为直线的。 
分别连接于座椅侧面框架的两个前连接件的上方部分可通过支承杆彼此连接。 
制动突出部可设置在齿条的远端部分上,且通过支承销而制动,从而避免齿条在座椅部分的降低状态下移走。 
所述小齿轮可连接于由控制器所控制的电动机,从而调节小齿轮的转动方向以及位移。 
所述小齿轮和齿条连接件的齿条可由保护外壳所覆盖,其中所述保护外壳由支承销所支承,且至少一个连接销设置在座椅侧面框架上。 
在本发明背景部分所公开的信息只用于加深对本发明的背景的理解,而不应当被视为承认或以任何形式暗示该信息构成已为本领域一般技术人员所公知的现有技术。 
附图说明
本发明的上述和其它特征现将通过参考其由附图所表示的某些示例性实施例详细进行说明,所述附图在下文中通过示例给出,因此并非对本发明的限定,其中: 
图1A和1B为表示根据本发明的一个实施例的用于车辆座椅的高度调整装置的立体图,其中图1A为表示整个高度调整装置的立 体图,图1B为表示图1A中的高度调整装置的局部的局部立体图;以及 
图2A和2B为表示根据本发明的该实施例的用于车辆座椅的高度调整装置的操作的视图,其中图2A为表示座椅部分在下降状态下的视图,图2B为表示座椅部分在提升状态下的视图。 
在这些图形中,在贯穿附图的多幅图形中,附图标记引用本发明的同样的或等效的部分。 
具体实施方式
接下来将对本发明的不同实施例详细地作出在此之后的引用,在附图中显示并在下文中描述这些实施例的实例。虽然本发明与示例性实施例相结合进行描述,但是应当了解,本说明书并非旨在将本发明限制为那些示例性实施例。相反,本发明旨在不但覆盖这些示例性实施例,而且覆盖可以被包括在由所附权利要求所限定的本发明的精神和范围之内的各种替换、修改、等效以及其它实施例。 
参考图1A和1B,将说明根据本发明的一个实施例的用于车辆座椅的高度调整装置的结构特征。 
图1A为表示所述安装有高度调整装置的状态的立体图。 
所述高度调整装置包括座椅支架100,其安装于车辆中的底盘(floor)上,从而支承座椅。底部框架200可滑动地设置在所述座椅支架100的上方部分上。座椅侧面框架300设置在座椅部分的两个横向侧面上。每一座椅侧面框架300通过前连接件500和后连接件520而连接于相应的底部框架200。详言之,位于座椅的前方的所述前连接件500通过上方铰链630而连接于所述座椅侧面框架300的前方部分,通过下方铰链610而连接于底部框架200。 
在这个结构中,当前连接件500和后连接件520相对于下方铰链610和620向前转动的时候,每一座椅侧面框架300响应所述前连接件500和所述后连接件520的转动而向上移动。相反地,当前连接件500和后连接件520相对于下方铰链610和620向后转动的时候,每一座椅侧面框架300向下移动。 
另外,设置在座椅部分的横向侧面上的所述座椅侧面框架 300通过支承杆700彼此连接。相应地,由于所述支承杆700一起连接到两个座椅侧面框架300,一个座椅侧面框架300与另一座椅侧面框架300同时向上及向下转动。另外,后连接件520的上方部分通过所述支承杆700可转动地连接于所述座椅侧面框架300的后方部分,并且通过下方铰链620连接于所述底部框架200的后方部分。 
图1B为表示本发明的局部,亦即,作为本发明的一个示例性实施例的齿轮组件的局部立体图。 
参考图1B,小齿轮320大体设置在座椅侧面框架300的中间部分,且齿条连接件120的上方端部在的预定位置上与小齿轮320相啮合,如下文所述。 
在本发明的一个示例性实施例中,所述齿条连接件120的上方端部由齿条122所形成,用来与所述小齿轮320的上方部分相啮合,所述齿条连接件120的另一端部连接于下方铰链610,该铰链610位于所述底部框架200的前部。相应地,所述齿条连接件120的另一端部以及前连接件500的下方端部通过下方铰链610而共轴连接。 
在本发明的一个示例性实施例中,支承销340在竖直方向上设置在小齿轮320以上。在水平方向上,所述支承销340位于所述小齿轮320和前连接件500的下端部之间,因此枢转地支承所述齿条122在被保持在支承销340和小齿轮320之间的时候而被运行,如后所述。 
而且,制动突出部124从齿条122的一个远端端部向上突出,并且当所述小齿轮320被最大转动的时候,亦即,在所述座椅部分被降低的状态下时,制动突出部124通过支承销340而制动,从而避免齿条122从小齿轮320分离。 
在本发明的一个示例性实施例中,如图1A所示,所述座椅侧面框架300还包括至少一个连接销345和保护盖400。所述保护盖400安装于连接销345和支承销340上,并且覆盖所述小齿轮320和所述齿条连接件120的齿条,从而避免小齿轮320和齿条122从所述座椅侧面框架300分离。 
根据本发明的高度调整装置的运行原理将在下文中通过参考图2A和2B进行说明。
图2A表示座椅部分位于底部死点(dead point)的状态。 
一旦所述底部框架200被固定于座椅支架100,齿条连接件120的齿条122的带齿的(cogged)下方部分与小齿轮320相啮合,且齿条122的制动突出部124通过支承销340而制动。 
在本发明的一个示例性实施例中,齿条连接件120具有“S”形的形状,所述齿条连接件120的齿条122配置为在水平方向成直线,从而当座椅部分位于底部死点的时候,所述齿条122的纵向方向基本平行于底部框架200的纵向方向。 
图2B表示座椅部分位于顶部死点的状态。 
为了将座椅部分从如图2A所示的底部死点改变至顶部死点,小齿轮320通过在附图中未示出的电机而顺时针旋转。随着小齿轮320顺时针旋转,齿条122被拉向图中的左方,因此前连接件500和后连接件520随着逆时针旋转而被展开,从而座椅侧面框架300在向上提升的时候向前发生移动,如图2B所示。 
然后,齿条122和小齿轮320的啮合通过支承销340得以保持,该支承销在竖直方向上位于小齿轮320的上方,在水平方向上位于小齿轮320和前连接件500的下方端部之间。 
由于支承销340在水平方向上位于小齿轮320和前连接件500的下方端部之间,当座椅部分(未示出)被使用者或者座椅的自身重量向下按压时,施加于支承销340的负载与通过齿条连接件120而作用在下方铰链610和小齿轮320上的反作用力的方向相反。还由于支承销340与小齿轮320相隔预定的距离,作用在下方铰链610和小齿轮320上的反作用力的旋转力矩相对于支承销340被平衡。相应地,座椅侧面框架300由支承销340锁紧。 
在发生正面的碰撞时,由于惯性,座椅通常会向车辆的前方倾斜。然而,在本发明的一个示例性实施例中,由于齿条122配置为在如图2A所示的处于座椅的底部死点的时候基本直线地平行于底部框架200的纵向方向,所以位于小齿轮320和前连接件500之间的齿条连接件120能够有效地吸收车辆的惯性。还由于齿条连接件120具有“S”形的形状,所述齿条连接件120能够有效地吸收由汽车质量的惯性所产生的弯矩。
因此,所述高度调整装置避免座椅由于小齿轮从齿条脱离而向前倾斜,从而保证乘客的安全。 
相反地,在传统技术的情况下,当座椅位于底部死点且碰撞施加与于车辆前部的时候,传统齿轮组件的齿条和小齿轮的啮合不合需要地松开,因此座椅容易移开。 
如上所述,本发明提供一种用于车辆座椅的高度调整装置,通过该装置可使用齿条和小齿轮调整座椅的高度,并且在发生正面碰撞的时候保持所述齿条和小齿轮的啮合,从而将座椅固定于所需的高度,并且保证乘客的安全。 
尽管出于说明的目的已公开了本发明的优选实施例,但是本领域的技术人员应当理解,各种修改、增加和删减是可能的,并不脱离所附权利要求中所限定的本发明的范围和精神。

Claims (8)

1.一种用于车辆座椅的高度调整装置,包括:
座椅支架,其配置为将座椅安装于车辆上;
底部框架,其配置为能够滑动地安装于所述座椅支架上;
座椅侧面框架,其设置在座椅的座椅部分的两个侧面端部,用于支承座椅部分,每一个该座椅侧面框架通过前连接件和后连接件而连接于座椅支架上;
支承杆,其用于使所述座椅侧面框架彼此连接;
小齿轮,其设置在相关座椅侧面框架上,用于调整座椅部分的高度;
齿条连接件,该齿条连接件在其第一端部上具有齿条,该齿条与小齿轮的上端部相啮合,并且该齿条连接件在其第二端部连接于前连接件的铰链,该铰链位于所述底部框架上,从而,当小齿轮被驱动的时候,齿条连接件向后拉动座椅侧面框架从而将其提升;以及
支承销,其设置在座椅侧面框架上,从而位于齿条上方,并且保持齿条与小齿轮的啮合。
2.如权利要求1所述的高度调整装置,其中制动突出部设置在齿条的端部,且通过支承销而制动,从而避免齿条在座椅部分的下降状态下移走。
3.一种用于车辆座椅的高度调整装置,包括:
座椅支架,其配置为将座椅安装于车辆上;
底部框架,其配置为能够滑动地安装于所述座椅支架;
座椅侧面框架,其设置在座椅的座椅部分的两个横向侧面上以支承所述座椅部分;
前连接件,其枢转地连接所述底部框架的前部和所述座椅侧面框架的前部;
至少一个后连接件,其枢转地连接所述底部框架的后部和所述座椅侧面框架的后部;
支承杆,其枢转地连接两个座椅侧面框架的后部;
小齿轮,其设置在一个所述座椅侧面框架上,用于调整所述座椅部分的高度;
齿条连接件,其中所述齿条连接件的第一端部由与所述小齿轮的上部相啮合的齿条形成,且所述齿条连接件的第二端部共轴连接于所述前连接件的下部,所述前连接件的下部连接于所述底部框架;以及
支承销,其设置在座椅侧面框架上,所述支承销在竖直方向上位于齿条的上方,在水平方向上位于所述前连接件的下端部和所述小齿轮之间,且保持所述齿条与所述小齿轮的啮合。
4.如权利要求3所述的高度调整装置,其中所述齿条连接件具有“S”形的形状,并且在所述座椅部分的下降状态时,所述齿条的纵向方向在所述底部框架的纵向方向上基本为直线的。
5.如权利要求3所述的高度调整装置,其中分别连接于座椅侧面框架的两个前连接件的上方部分通过支承杆彼此连接。
6.如权利要求3所述的高度调整装置,其中制动突出部设置在齿条的远端部分上,且通过支承销而制动,从而避免齿条在座椅部分的降低状态下移走。
7.如权利要求3所述的高度调整装置,其中所述小齿轮连接于由控制器所控制的电动机,从而调节小齿轮的转动方向以及位移。
8.如权利要求3所述的高度调整装置,其中所述小齿轮和齿条连接件的齿条由保护外壳所覆盖,其中所述保护外壳由支承销所支承,且至少一个连接销设置在座椅侧面框架上。
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