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Electronic parking device and electronic parking system applying same

An electronic parking, large gear technology, applied in the direction of transmission, brake actuator, gear shifting mechanism, etc., can solve the problems of uneven braking force of the left and right wheels, vehicle sideslip, etc., and achieves low overall cost and ease of use. The effect of simple layout and overall structure

Active Publication Date: 2012-07-04
BEIJING JINGWEI HIRAIN TECH CO INC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since it is difficult to achieve equal output power of the two motors at all times, it may cause uneven braking force on the left and right wheels, and the vehicle will skid

Method used

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  • Electronic parking device and electronic parking system applying same
  • Electronic parking device and electronic parking system applying same
  • Electronic parking device and electronic parking system applying same

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] The embodiment of the invention discloses an electronic parking device, which can realize the purpose of simultaneously tightening two brake cables with opposite moving directions and evenly distributing the braking forces of the left and right wheels.

[0033] Such as figure 2 As shown, an electronic parking device includes a housing 21 , a double output shaft motor 22 , a transmission component 23 and a brake cable 24 . The double output shaft motor...

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Abstract

The invention discloses an electronic parking device and an electronic parking system applying the same, wherein the electronic parking device comprises a shell, a dual-shaft-extension motor, a transmission part and brake stay ropes; the transmission part comprises a first pinion, a second pinion, a spline groove, a first gear wheel, a second gear wheel, an inner screw thread hole, a nut spline section, a nut end cap, a nut, an outer screw thread section, a screw rod spline section, a screw rod end cap and a screw rod, wherein the first pinion and the second pinion are respectively arranged at two ends of a rotary shaft of the dual-shaft-extension motor; the center of each of the first gear wheel and the second gear wheel is provided with the spline groove respectively; the first gear wheel and the second gear wheel are respectively meshed with the first pinion and the second pinion, and at the same time, the transmission ratio of the first pinion and the second pinion is different from the transmission ration of the first gear wheel and the second gear wheel; the nut is sleeved on the first gear wheel; the screw rod is sleeved on the second gear wheel; and the outer screw thread section of the screw rod and the inner screw thread hole of the nut are fit spirally. Compared with the existing electronic parking device, through adopting the dual-shaft-extension motor, parallel gear transmission and screw rod transmission for the electronic parking device provided by the invention, the aims that two brake stay ropes with opposite motion directions are pulled tightly simultaneously and the parking braking force is distributed uniformly are realized.

Description

technical field [0001] The invention relates to the technical field of automobile braking, more specifically, to an electronic parking device, and also to an electronic parking system using the device. Background technique [0002] Most existing automobiles adopt a manpower-mechanical parking brake system, and its transmission device is a mechanical transmission mode. The structure of a bar system or a drag cable is used to complete the braking function, and its operating part is controlled by a handle. [0003] Electronic parking brake system is a technology that realizes parking brake by electronic control. It is a new type of parking brake system and the development direction of vehicle parking brake system. The electronic parking brake system with a simple structure generally replaces the handbrake lever with an electronic parking device, and uses the brake cable to tighten the rear wheel brake calipers to achieve braking. Such as figure 1 As shown, the electronic park...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H37/06F16D65/18F16D121/24F16D121/14F16D125/40
Inventor 李海岩程爱明杨轩黄志群
Owner BEIJING JINGWEI HIRAIN TECH CO INC
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