CN110001461B - 用于车辆座椅的泵送装置 - Google Patents
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Abstract
本发明提供一种用于车辆座椅的泵送装置,所述装置包括:凸轮机构,其与操作杆一起旋转;离合器机构,其从所述凸轮机构接收动力;壳体,其将所述凸轮机构和所述离合器机构容纳在其中;制动机构,其容纳在所述壳体中以从所述离合器机构接收动力,并且被构造成使得凸台部沿着其外周表面突出,所述凸台部的外端侧面对所述壳体的内周表面,并且从所述离合器机构突出的按压部设置在凸台部和相邻的凸台部之间;以及制动辊,其设置在所述制动机构的所述凸台部中的每个的相对侧,以设置在所述凸台部和所述按压部之间。
Description
技术领域
本发明涉及一种用于车辆座椅的泵送装置,该泵送装置通过防止制动机构与壳体接触而使噪音和磨损最小化。
背景技术
传统的泵送装置是附接到座椅的装置,使座椅乘员手动调节座椅垫的高度以匹配座椅乘员的体型。
如果座椅乘员顺时针或者逆时针操作安装在座椅垫的侧面上的操作杆手柄,操作杆手柄的操作力通过座椅泵送装置传递到连杆机构,以根据操作杆手柄的操作方向升高或者降低座椅垫,从而能够调节座椅垫的高度。
图1为示出传统的座椅泵送装置的部件示意图。参照图1,用于车辆的座椅泵送装置包括:操作杆支架100,其被配置为与由使用者操作的操作杆手柄(未示出)一体地旋转;复位弹簧引导件110,其中容纳有向操作杆支架100提供恢复力的复位弹簧112;壳体120,其形成为鼓形122,并且设置在座椅垫(未示出)内部;离合器机构130,其容纳在壳体120中,并且被配置为通过操作杆支架100接收使用者的旋转操作力并将其传递;制动机构140,其被配置为切断反向输入的扭矩,并且保持座椅垫的调节高度;以及壳盖150,其联接到壳体120的一侧以覆盖壳体120。
复位弹簧引导件110可以在侧表面上设置有圆环形的凹槽,以容纳复位弹簧112。
离合器机构130包括:离合器凸轮134,其容纳在离合器鼓132中;多个离合器辊136,其设置在离合器凸轮134的外周表面和离合器鼓132的内周表面之间;以及离合器弹簧138,其被配置为弹性地支撑离合器辊136。
在离合器凸轮134的侧表面上,多个联接突出部135在圆周方向上以预定的间隔彼此间隔开地设置。在壳体120的鼓122的底表面124的中间形成有通孔126,使得离合器凸轮134的联接突出部135插入其中。操作杆支架100包括在轴向方向上突出的联接鼓104。
离合器凸轮134的联接突出部135穿过壳体120的通孔126突出,并且插入到形成在操作杆支架100的联接鼓104的底表面中的组装孔中并焊接,以与操作杆支架100一体地联接。
设置在操作杆支架100中并在轴向方向上弯曲的操作杆臂102在周向方向上由复位弹簧引导件110的复位弹簧112弹性地支撑,使得当操作杆支架100响应使用者操作操作杆手柄而旋转时,复位弹簧112被操作杆支架100的操作杆臂102压缩,并向操作杆支架100提供弹性恢复力。
同时,离合器鼓132设置有朝向制动机构140侧突出的楔形部133。制动机构140包括:制动鼓142,在其外周表面上设置有T形突出部143;以及多个制动辊144,其沿着圆周方向设置在楔形部133和突出部143之间。因此,能够切断反向输入的扭矩并保持座椅垫的调节高度。
这里,由于操作杆支架100、壳体120以及离合器凸轮134围绕相同的轴线旋转,并且离合器鼓132和制动机构140围绕不同的轴线旋转,因此,当正常执行组装或者制动机构140和壳体120由于外部影响而未对准时,制动鼓142摩擦壳体120的鼓122的内周表面,引起噪音和磨损。
上述内容仅旨在帮助理解本发明的背景,并且不旨在表示本发明落入本领域技术人员已知的相关技术的范围内。
发明内容
因此,本发明已经考虑到相关技术中出现的上述问题,并且本发明致力于提供一种用于车辆座椅的泵送装置,其中,防止了制动机构和壳体之间的摩擦,从而能够防止噪音和耐久性降低。
为了实现上述目的,根据本发明的一些方面,提供一种用于车辆座椅的泵送装置,所述泵送装置包括:凸轮机构,其与操作杆一起旋转;离合器机构,其从所述凸轮机构接收动力;壳体,其将所述凸轮机构和所述离合器机构容纳在其中;制动机构,其容纳在所述壳体中以从所述离合器机构接收动力,并且被构造成使得多个凸台部沿着其外周表面突出,所述凸台部的外端侧面对所述壳体的内周表面,并且从所述离合器机构突出的按压部设置在凸台部和相邻的凸台部之间;以及制动辊,其设置在所述制动机构的所述凸台部中的每个的相对侧,以设置在所述凸台部和所述按压部之间,并且被构造成使得基于所述制动机构的中心轴线,所述制动辊的最外点设置成比所述凸台部的外端侧更向外,并且所述最外点与所述壳体的内周表面接触。
所述凸台部中的每个可以被构造成从所述制动机构的外周表面的突出高度比所述制动辊的直径小。
所述制动辊可以被构造成直径比所述凸台部从所述制动机构的外周表面的突出高度大。
当所述制动辊被所述按压部或者所述凸台部按压以沿着所述制动机构的外周表面移动时,所述制动辊的最外点可以总是与所述壳体的内周表面接触,并且所述凸台部的最外点可以与所述壳体的内周表面保持有间隙。
所述制动机构的外周表面可以设置有多个倾斜表面,多个所述倾斜表面被构造成随着在周向方向上相对于所述凸台部逐渐远离而逐渐远离所述制动机构的中心轴线,并且多个所述倾斜表面的每一个可以被构造成具有角度,使得在所述制动辊与所述倾斜表面和所述凸台部接触的状态下,所述制动辊的最外点与所述壳体的内周表面接触。
根据如上所述构造的用于车辆座椅的泵送装置,有利的是,即使产生尺寸公差或者由外力产生制动机构和壳体之间的移位,也能够防止制动机构的凸台部和壳体之间的摩擦,从而能够防止摩擦噪音、制动机构插入以及制动机构的耐久性降低,并且最终能够提高泵送装置的适销性。
附图说明
通过下文结合附图所呈现的详细描述将会更为清楚地理解本发明的以上和其它目的、特征以及其它优点,在这些附图中:
图1为示出传统的座椅泵送装置的部件示意图;
图2为示出根据本发明实施方案的用于车辆座椅的泵送装置的分解立体图;
图3为示出将本发明的凸轮机构、离合器机构以及制动机构组装在一起的状态的侧视图;
图4为沿着图3中的线A-A所截取的截面图。
具体实施方式
下面,将参考附图详细描述根据本发明的示例性实施方案的用于车辆座椅的泵送装置。
图2为示出根据本发明实施方案的用于车辆座椅的泵送装置的分解立体图;图3为示出将本发明的凸轮机构、离合器机构以及制动机构组装在一起的状态的侧视图;以及图4是沿着图3中的线A-A所截取的截面图。
参照图2至图4,本发明的用于车辆座椅的泵送装置包括:凸轮机构50,其与操作杆10一起旋转,离合器机构60从凸轮机构50接收动力,壳体40将凸轮机构50和离合器机构60容纳在其中;制动机构70,其容纳在壳体40中以从离合器机构60接收动力,并且被构造成使得多个凸台部72沿着其外周表面突出,凸台部72的外端侧面对壳体40的内周表面42,并且从离合器机构60突出的按压部62设置在凸台部72和相邻的凸台部72之间;以及制动辊76,其设置在制动机构70的凸台部72中的每个的相对侧,以设置在凸台部72和按压部62之间,并且被构造成使得基于制动机构70的中心轴线,制动辊76的最外点设置成比凸台部72的外端侧更向外,并且最外点与壳体40的内周表面42接触。
凸轮机构50焊接在操作杆支架20上,并且操作杆10联接到操作杆支架20,使得凸轮机构50根据座椅乘员对操作杆10的操纵而旋转。
这里,设置在操作杆支架20和壳体40之间的复位弹簧机构30用于向操作杆支架20提供恢复力,在现有技术中,对其详细操作已经有各种的公开,因此省略其详细描述。
在凸轮机构50的外周表面和离合器机构60的内周表面之间设置有多个辊,使得凸轮机构50的动力通过辊传递到离合器机构60。由于弹簧设置在多个辊之间,因此,通过根据凸轮机构50的旋转移动辊,弹簧被压缩和恢复以施加恢复力,使得通过座椅乘员对操作杆10的操纵而旋转的凸轮机构50恢复到其原始状态。这也已经在现有技术中进行了各种公开,因此省略其详细描述。
接收来自凸轮机构50的动力的离合器机构60旋转,以通过朝向制动机构70侧突出的按压部62将动力传递到制动机构70。
制动机构70设置有沿着其外周表面朝向径向方向突出的T形凸台部72,以便通过与制动辊76接触来保持稍后描述的制动辊76或者通过按压制动辊76来传递动力。
制动辊76设置在离合器机构60的按压部62和制动机构70的凸台部72之间,并且,根据离合器机构60的旋转,通过被按压部62按压而沿着制动机构70的外周表面移动。结果,当凸台部72通过移动制动辊76而被周向推动时,制动机构70旋转。
由于上述凸轮机构50、离合器机构60以及制动机构70没有设置成彼此完美地固定,各自的轴线因制造过程中产生的公差或者外部影响而移位,因此,当制动机构70的凸台部72与壳体40的内周表面42接触时,可以产生摩擦力。
这不仅导致座椅乘员操作泵送装置操作杆的不便,而且也导致制动机构70的耐久性降低。
因此,本发明被构造成使得基于制动机构70的中心轴线,制动辊76的最外点设置成比凸台部72的外端侧更向外。这里,制动辊76的最外点设置成与壳体40的内周表面42接触。
具体来说,当制动辊76被按压部62按压或者通过被凸台部72按压而沿着制动机构70的外周表面移动时,制动辊76的最外点可以被构造成总是与壳体40的内周表面42接触,并且凸台部72的最外点可以被构造成与壳体40的内周表面42保持有间隙。
为此,如图4所示,凸台部72可以形成为从制动机构70的外周表面的突出高度比制动辊76的直径小。另一方面,制动辊76可以形成为直径比凸台部72从制动机构70的外周表面的突出高度大。
因此,制动辊76设置成与壳体40的内周表面42接触,由此,防止了制动机构70的凸台部72的具有较小高度的最外点与壳体40的内周表面42接触,因此,即使产生尺寸公差或者外部影响,也能够防止凸台部72与壳体40彼此接触,从而能够防止摩擦噪音的产生。
同时,制动机构70的外周表面可以设置有多个倾斜表面74,多个倾斜表面74被构造成随在周向方向上相对于凸台部72逐渐远离而逐渐远离制动机构70的中心轴线,并且多个倾斜表面74可以被构造成具有角度,使得在制动辊76与倾斜表面74和凸台部72接触的状态下,制动辊的最外点与壳体40的内周表面42接触。
换句话说,在不改变凸台部72的高度或者制动辊76的直径的情况下,通过调节作为制动机构70的外周表面的倾斜表面74的角度,制动辊76的最外点可以设置成比凸台部72的最外点更向外。
这里,制动机构70的倾斜表面74设置成使得倾斜表面74的半径随着在周向方向上逐渐远离凸台部72的相对侧而增大,由此,能够通过使用制动辊76来防止制动机构70因从座椅侧传递的反向扭矩而旋转。
因此,随着制动机构70的倾斜表面74的角度变大,制动辊76的最外点进一步远离制动机构70的中心。
换句话说,本发明被构造成通过改变制动机构70的凸台部72的高度、制动辊76的直径以及形成在制动机构70的外周表面上的倾斜表面74的角度中的至少一个,能够防止由于制动机构70的凸台部72和壳体40的内周表面42之间的摩擦而引起的摩擦噪音的产生、制动机构70的耐久性降低以及制动机构70插入到壳体40中。
根据如上所述构造的用于车辆座椅的泵送装置,即使产生尺寸公差或者由外力产生制动机构和壳体之间的移位,也能够防止制动机构的凸台部和壳体之间的摩擦,从而能够防止摩擦噪音、制动机构插入以及制动机构的耐久性降低,并且最终能够提高泵送装置的适销性。
尽管出于说明的目的已公开了本发明的优选实施方案,但是本领域技术人员应当理解,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公开的本发明的范围和精神。
Claims (4)
1.一种用于车辆座椅的泵送装置,所述泵送装置包括:
凸轮机构,其与操作杆一起旋转;
离合器机构,其从所述凸轮机构接收动力;
壳体,其将所述凸轮机构和所述离合器机构容纳在其中;
制动机构,其容纳在所述壳体中以从所述离合器机构接收动力,并且被构造成使得多个凸台部沿着其外周表面突出,所述凸台部的外端侧面对所述壳体的内周表面,并且从所述离合器机构突出的按压部设置在凸台部和相邻的凸台部之间;以及
制动辊,其设置在所述制动机构的凸台部中的每个的相对侧,以设置在所述凸台部和所述按压部之间,并且被构造成使得基于所述制动机构的中心轴线,所述制动辊的最外点设置成比所述凸台部的外端侧更向外,并且所述最外点与所述壳体的内周表面接触,
其中,当所述制动辊被所述按压部或者所述凸台部按压以沿着所述制动机构的外周表面移动时,所述制动辊的最外点总是与所述壳体的内周表面接触,并且所述凸台部的最外点与所述壳体的内周表面保持有间隙。
2.根据权利要求1所述的用于车辆座椅的泵送装置,其中,所述凸台部中的每个被构造成从所述制动机构的外周表面的突出高度比所述制动辊的直径小。
3.根据权利要求1所述的用于车辆座椅的泵送装置,其中,所述制动辊被构造成直径比所述凸台部从所述制动机构的外周表面的突出高度大。
4.根据权利要求1所述的用于车辆座椅的泵送装置,其中,所述制动机构的外周表面设置有多个倾斜表面,多个所述倾斜表面被构造成随着在周向方向上相对于所述凸台部逐渐远离而逐渐远离所述制动机构的中心轴线,并且
多个所述倾斜表面中的每一个被构造成具有角度,使得在所述制动辊与所述倾斜表面和所述凸台部接触的状态下,所述制动辊的最外点与所述壳体的内周表面接触。
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