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Electronic disc brake

A disc brake, electric technology, applied in the direction of brake type, axial brake, brake components, etc., can solve the problems of working noise, size increase, etc.

Inactive Publication Date: 2013-11-13
HL MANDO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, if the electric disc brake is installed, the size of the cylinder block 23, the carrier 10, and the power transmission unit (eg, motor, gear assembly, and speed reducer) increases, so the electric disc brake 1 is limited to only In vehicles above medium size
[0017] In addition, the disadvantage of electric disc brakes may be that, during braking, operating noises are generated due to the use of multi-stage gears

Method used

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Embodiment Construction

[0040] Reference will now be made in detail to embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

[0041] figure 2 is a cross-sectional view schematically showing the structure of an electric disc brake according to an embodiment of the present invention.

[0042] see figure 2 , the electric disc brake 100 includes: a brake disc D, which rotates together with the wheels (not shown) of the vehicle; a carrier 110, which is provided with a pair of backing plates 111 and 112 arranged To squeeze the two side surfaces of the brake disc D to perform braking; the caliper housing 120, the caliper housing is equipped with a piston 121, which is movably installed in the caliper housing to squeeze the pair The backing plates 111 and 112; the pressing device 130, which converts the rotational force into a linear motion to squeeze the piston 121; the motor 140, which is used to...

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PUM

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Abstract

Disclosed herein is an electronic disc brake. The electronic disc brake includes a carrier on which a pair of pad plates are mounted, a caliper housing, which is slidably installed on the carrier and is provided with a cylinder having a piston mounted therein, a pressure device installed within the cylinder, the pressure device converting rotational motion into rectilinear motion to press and release the piston, the pressure device having an output key which protrudes by penetrating a rear wall of the caliper housing, a motor mounted on an outer surface of the caliper housing to generate drive force, a reducer coupled with a rotary shaft of the motor to amplify the drive force, and a coupling interposed between the reducer and the pressure device to transmit the amplified drive force to the pressure device, wherein the motor, the reducer, and the pressure device are coaxially connected in series.

Description

technical field [0001] An embodiment of the present invention relates to an electric disc brake capable of simplifying a coupling structure for transmitting a rotational torque and a driving force of a motor to a gear portion in series. Background technique [0002] In general, a parking brake device is a device that is used to stop a vehicle so that the vehicle does not move when the vehicle is parked and to hold the wheels of the vehicle from spinning. [0003] Recently, an EPB (Electric Parking Brake) system is used for electrically controlling the operation of the parking brake. This EPB system is mounted on a normal disc brake and performs a parking brake function. Here, the EPB system is classified into a cable pull type, a motor-on-caliper type, and a hydraulic parking brake type. [0004] figure 1 is a view schematically showing a conventional electric disc brake. figure 1 Electric disc brakes shown are caliper motor integrated. [0005] see figure 1 , the elec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D65/18F16D121/24F16D125/50F16D131/00
CPCF16D55/226F16D65/183F16D2121/24F16D65/095F16D65/18F16H1/34
Inventor 柳栋耀杨二镇崔成镐孙宗九
Owner HL MANDO CORP