Provided is an electric parking brake device in which an actuator case of an electric actuator is mounted to a backplate of a drum brake which includes a parking brake lever, with which electric actuator it is possible to obtain a parking brake state by pulling a brake cable linked with the parking brake lever. The backplate (13) is formed with a through-hole (75) for passing the brake cable (37)and has a connecting tube portion (13a) integrally protruding therefrom and enclosing the through-hole. A mounting tube (77) includes, on one end in an axial direction, a joint portion (77a) which isformed separately from the backplate and joined to the connecting tube portion. The actuator case (39) is mounted to the mounting tube (77) at certain axial and circumferential positions with respectto the mounting tube. In this way, the freedom of the mounting attitude of the electric actuator with respect to the backplate can be increased without an increase in cost.
一种电动驻车制动装置,其在具有驻车制动杆的鼓式制动器的背板安装有电动致动器的致动器壳体,该电动致动器能够牵引与驻车制动杆连结的制动线缆而得到驻车制动状态,在4板(13)上,形成有供制动线缆(37)贯通的贯通孔(75),并且一体地突出设置有围绕该贯通孔的连接筒部(13a),安装筒(77)与背板分体地形成并且在轴向一端部具有与连接筒部接合的接合部(77a),所述致动器壳体(39)以相对于该安装筒(77、84)的轴向位置及周向位置被确定为恒定的方式安装于所述安装筒(77、84)。由此,能够避免成本增大,同时能够增大电动致动器相对于背板的安装姿态的自由度。
ELECTRIC PARKING BRAKE DEVICE
电动驻车制动装置
2020-06-02
Patent
Elektronische Ressource
Chinesisch
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