An electronic parking brake actuator
An electronic parking brake and actuator technology, which is used in transmission control, transmission parts, components with teeth, etc., can solve the problems of poor actuator stability and high noise, and achieve stable operation and high positioning accuracy. , the effect of high structural strength
Active Publication Date: 2019-07-05
ZHEJIANG ZHUJI WANBAO MASCH CO TLD
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Problems solved by technology
At present, although the structures of electronic parking brake actuators are different, most of them have the defects of poor stability and high noise.
Method used
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[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0032] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "inner", "outer" etc. Orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention.
[0033] In the description of the...
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The invention relates to the technical field of automotive electric braking, in particular to an electronic parking brake actuator. A holding frame is mutually matched with a first mounting chamber and a second mounting chamber in a shell, so that the relative positions of a motor and a planetary reducer are limited together, and the constancy of he space between the motor and the planetary reducer is ensured. Central axes are parallel to each other, and therefore the actuator is great in structural strength and more stable in running. Further, the inner gear ring structure of the planetary reducer integrates two stages of inner gears, and therefore the inner gear ring is great in structural strength, convenient to mount and high in positioning precision. Through the clamping way between a fixing piece and the inner gear ring, the fixed piece is simple in structure, high in mounting efficiency, high in mounting precision and reliable in mounting strength; under the condition that a clamping piece and a clamping hook are not damaged, the fixing piece and the inner gear ring cannot naturally loosen or be separated from clamping. The input end of the planetary reducer integrally formed by a first stage of sun wheel and a driven belt wheel is great in structural strength and convenient to mount. Through the way that the inner gear ring is sleeved with the driven belt wheel, the mounting space is reduced.
Description
technical field [0001] The invention relates to the technical field of automobile electric braking, in particular to an electronic parking brake actuator. Background technique [0002] Electronic parking brake (Electrical Parking Brake, EPB) refers to the technology of realizing parking brake by electronic control. Electronic parking brakes typically include an actuator whose function is to generate torque to provide braking power. In the prior art, the torque is usually generated by the electric motor, which is increased by at least one transmission stage, the rotational speed is reduced, and finally converted into the linear motion of the brake spindle. At present, although electronic parking brake actuators have different structures, most of them have the defects of poor stability and high noise. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an electronic parking brake actuator with high structural strengt...
Claims
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IPC IPC(8): F16H61/32F16H57/08
CPCF16H57/08F16H61/32
Inventor 顾航斌段雄飞周哉松
Owner ZHEJIANG ZHUJI WANBAO MASCH CO TLD