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Electronic brake booster

An electronic brake and booster technology, which is applied in the direction of brakes, brake transmission devices, vehicle components, etc., can solve the problems of complex structure, hard work of the brake pedal, and small bearing capacity of the ball screw, so as to reduce costs, The effect of increased transmission torque

Inactive Publication Date: 2017-03-08
ZHEJIANG LIBANG HEXIN INTELLIGENT BRAKING SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is laborious to control the brake pedal with manpower, so many vehicles have added a brake booster on the basis of the brake transmission device. The brake booster includes a booster mechanism. In the prior art, the booster mechanism generally uses a ball screw , but the bearing capacity of the ball screw is small, the cost is high, and in order to prevent the ball screw from reversing during the braking process, it is necessary to add a self-locking mechanism or let the motor output a stalling torque, which complicates the structure

Method used

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  • Electronic brake booster

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Embodiment Construction

[0010] Referring to the accompanying drawings, the electronic brake booster includes a motor 1 and a booster transmission device, the booster transmission device is driven by the motor and has a rotation / translation conversion transmission mechanism 2, and the conversion transmission mechanism 2 drives the rotation of the motor 1 The output motion converted into translation for manipulating the braking system, the conversion transmission mechanism 2 includes a threaded screw 21 and a toothed transmission belt 22, the threaded screw 21 includes a nut 211 and a screw rod 212, the inner surface of the nut 211 An internal thread is provided, and the outer surface of the screw 212 is provided with an external thread. The nut 211 and the screw 212 are threaded, and the motor 1 is connected to the nut 211 through a toothed transmission belt 22 .

[0011] In this embodiment, the outer ring of the nut 211 is provided with a coaxially rotating nut gear 3, the motor shaft 11 of the motor ...

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Abstract

The invention discloses an electronic brake booster. The electronic brake booster comprises a motor and a boosting transmission device, wherein the boosting transmission device is driven by the motor and is provided with a rotary / translation conversion transmission mechanism; and the conversion transmission mechanism is used for converting motor rotating drive motion into output motion of translation for operating a brake system. The electronic brake booster is characterized in that the conversion transmission mechanism comprises a thread screw rod and a tooth-formed transmission belt; the thread screw rod comprises a nut and a screw rod; and the motor is in transmission connection with the nut through the tooth-formed transmission belt. By adopting the combination of the thread screw rod and the tooth-formed transmission belt, the motor rotating drive motion is converted into output motion of translation for operating the brake system, so that the cost is effectively reduced, and the transmission torque is increased; and the thread screw rod has a self-locking function, and the thread screw can be fixed to keep on braking in the process of keeping brake force even the motor is interrupted.

Description

technical field [0001] The invention relates to an electronic brake booster. Background technique [0002] Vehicles often include hydraulic braking systems for slowing and stopping the vehicle. It is laborious to control the brake pedal with manpower, so many vehicles have added a brake booster on the basis of the brake transmission device. The brake booster includes a booster mechanism. In the prior art, the booster mechanism generally uses a ball screw , but the bearing capacity of the ball screw is small, the cost is high, and in order to prevent the ball screw from reversing during the braking process, it is necessary to add a self-locking mechanism or let the motor output a stalling torque, which complicates the structure. Contents of the invention [0003] The object of the present invention is to provide an electronic brake booster, which adopts a combination of a toothed transmission belt and a threaded lead screw for boosting, has self-locking performance, and is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/74
CPCB60T13/746
Inventor 贾贤鹏呙波
Owner ZHEJIANG LIBANG HEXIN INTELLIGENT BRAKING SYST CO LTD
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