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Electronic parking actuator used for car braking system

A technology of electronic parking and actuators, applied in the direction of brake actuators, gear transmission mechanisms, mechanical equipment, etc., can solve the problems of high product cost, non-parallel axial direction, and large influence from the outside world, and achieve convenient installation and manufacturing. The effect of simple model repair and precise positioning

Inactive Publication Date: 2014-04-23
WUHU BETHEL AUTOMOTIVE SAFETY SYST
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AI Technical Summary

Problems solved by technology

[0019] The technical problem to be solved by the present invention is that in the prior art, a belt drive is used between the motor and the planetary gear, and the distance between the motor shaft and the gear shaft is fixed by a technical solution of a rigid spacer. There are rigid spacers and the motor shaft, The inconsistency of the assembly of the main shaft of the planetary transmission mechanism, the axial non-parallel, and the rigid spacer are prone to deformation after being stressed; To solve the technical problems of large external influence, inconsistency of the upper and lower positions of the gear shaft end, and more precise positioning, an electronic parking actuator for the vehicle braking system is provided

Method used

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  • Electronic parking actuator used for car braking system
  • Electronic parking actuator used for car braking system

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Embodiment Construction

[0034] figure 1 It is a structural schematic diagram of an electronic parking actuator for a vehicle braking system according to the present invention, including a housing, a machine cover 3, a motor and motor accessories 2, a planetary gear transmission mechanism 5, and the housing as an integrated frame 1. Including the integrated transmission mechanism positioning plate 6, the planetary gear transmission mechanism 5 and the idler gear 4 that the motor shaft drives to the planetary gear are installed and arranged in the integrated frame 1 and the transmission mechanism positioning plate 6, and the transmission mechanism positioning plate 6 is snapped together within frame 1. Wherein the idler drive can be replaced by a belt drive, and the belt drive can be a V-belt drive;

[0035] The two ends of the transmission mechanism positioning plate 6 are provided with buckles 63, and are connected with the integrated frame 1 through the buckles 63; the transmission mechanism positi...

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Abstract

The invention discloses an electronic parking actuator used for a car braking system. A driving mechanism positioning plate (6) in an integrated structure is arranged, the two ends of the driving mechanism positioning plate (6) are provided with buckles (63) connected with an integrated frame (1), and two fixing points are more accurately positioned through allowance complementation, so that the electronic parking actuator is convenient to install and manufacture, and the cost can be reduced.

Description

technical field [0001] The invention belongs to the technical field of motor vehicle brake system manufacture, and in particular relates to an electronic parking actuator used in the vehicle brake system. Background technique [0002] At present, in the parking brake system of motor vehicles, especially in the electronic parking brake system, the rear caliper integrated electronic parking brake has many functions and is easy to install, which has become a development trend. . The sole power source of the electronic parking brake in this structure is the motor, which transmits power to the brake caliper assembly through the transmission mechanism, and then completes the parking brake of the vehicle. The motor, the transmission mechanism and the housing are collectively referred to as an electronic parking actuator. In the electronic parking actuator, planetary gear transmission is usually used to complete the deceleration of the motor. Due to the small size, light weight an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D65/14F16D121/14
Inventor 郭锋亮张磊刘兆勇李勋
Owner WUHU BETHEL AUTOMOTIVE SAFETY SYST
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