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    • 4. 发明公开
    • ELECTROMAGNETIC SWITCH, MANUFACTURING METHOD THEREFOR, AND VEHICLE ENGINE
    • ELEKTROMAGNETISCHER SCHALTER,HERSTELLUNGSVERFAHRENDAFÜRUND KRAFTFAHRZEUG
    • EP2930734A4
    • 2017-08-09
    • EP13794212
    • 2013-05-21
    • BOSCH GMBH ROBERT
    • BORES JAVIERCHEN GUOJUNCHEN JIMING
    • H01H51/06F02N11/08F02N15/00H01H49/00H01H50/04
    • F02N11/087F02N15/006H01H49/00H01H50/045H01H51/06H01H51/065
    • A method for manufacturing a solenoid switch of a vehicle starter, comprising: arranging within a housing (2) a fixed core (4) and a movable core (6) having a single-piece-type push rod (30), arranging a elastic element (22) onto the push rod, arranging a contact bridge (14) at the rear end of the push rod, allowing the push rod to move rearwards until detecting that an initial electric connection state is established between two contact studs (10) via the contact bridge, allowing the push rod to move further rearwards for a reserved stroke, then, in a state that the movable core is kept abutted against the fixed core, fixing the movable core onto the push rod, and processing the front end of the push rod into an engagement window (40a) used for inserting therein the upper end of a shift fork. Also, the solenoid switch manufactured on the basis of the method and the vehicle starter comprising such solenoid switch. Employment of the method in manufacturing of the solenoid switch allows for reductions in reserved stroke tolerance, in positioning tolerance, and in engagement window size, thus increasing the positioning precision of a drive gear.
    • 一种用于制造车辆起动器的电磁开关的方法,包括:在壳体内布置(2)的固定磁芯(4)和可移动的芯(6),其具有一个单件式推杆(30),安排一个弹性 元件(22)到所述推杆,布置接触桥(14),在推杆的后端部,从而使推杆向后方移动,直到检测到一个初始的电连接状态是通过两个接触柱(10)之间建立 接触桥,从而允许推杆进一步向后对于一个保留的冲程移动,然后,在该可动铁芯被保持抵靠于固定铁芯,可动铁芯固定到所述推杆,并加工的前端的状态下 推杆插入用于在其中插入拨叉的上端的接合窗口(40a)中。 而且,基于该方法制造的电磁开关和包括这种电磁开关的车辆起动器。 采用该方法制造电磁开关允许降低预留行程公差,定位公差和接合窗口尺寸,从而提高驱动齿轮的定位精度。