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Drum brake and vehicle with same

A technology of drum brakes and brake shoes, which is applied in the field of vehicles, can solve problems such as the inapplicability of the wire control system, and achieve the effects of saving layout space, reducing production costs, and simple structure

Inactive Publication Date: 2019-07-19
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the above-mentioned brake is not suitable for the control-by-wire system, so it is urgent to design a drum brake suitable for the control-by-wire braking system.

Method used

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  • Drum brake and vehicle with same
  • Drum brake and vehicle with same
  • Drum brake and vehicle with same

Examples

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Embodiment Construction

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0032] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " The orientation or positional relationship indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientation or position shown in the drawings The positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indica...

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PUM

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Abstract

The invention discloses a drum brake and a vehicle with the same. The drum brake comprises a mounting seat, two brake shoes, a tightening member and a first braking component; the two brake shoes aresymmetrically distributed on the two sides of the mounting seat, one end of each brake shoe is pivotally connected with the mounting seat, the two ends of the tightening member are connected with thetwo brake shoes, and the tightening member often drives the two brake shoes to get close to each other; and the first braking component includes two rotating motors and transmission mechanisms, motorshafts of the two rotating motors are connected to the other ends of the two brake shoes through the transmission mechanisms in a one-to-one correspondence manner, and the first braking component is configured to drive the two brake shoes to be supported to be opened. Thus, rotation of the rotating motors drives the two brake shoes to be supported to be opened so as to achieve the driving brakingeffect, the braking response speed is higher, the production cost of the drum brake is reduced, and the distribution space is saved.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular, to a drum brake and a vehicle with the same. Background technique [0002] In related technologies, the brakes of vehicles mostly use pneumatic or hydraulic brake lines, which have high vehicle quality, delayed braking response, low braking efficiency, and require regular replacement of hydraulic oil. At the same time, there is a risk of hydraulic oil leakage, which is not conducive to Environmental friendly. When the brake is damaged, it is inconvenient to maintain and difficult to disassemble and assemble. The brake pedal produces rebound vibrations during vehicle braking. And above-mentioned brake is not suitable for the wire control system, so be badly in need of designing a kind of drum brake that is applicable to the wire control brake system. Contents of the invention [0003] The present invention aims to solve one of the above-mentioned technical problems in the prio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D51/20F16D65/14F16D67/06F16D121/14F16D121/20F16D121/24F16D123/00
CPCF16D51/20F16D65/14F16D67/06F16D2121/14F16D2121/20F16D2121/24F16D2123/00
Inventor 郑祖雄王铁君李传博刘苏丽
Owner BYD CO LTD