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Hydraulic generation device

A generating device, hydraulic technology, applied in the direction of braking transmission, transportation and packaging, brakes, etc., can solve the problems of vibration shock, unfavorable force balance, large axial length of the motor, etc., and achieve compact structure, reduced size and Effect of weight and cost reduction

Pending Publication Date: 2018-11-13
WUHU BETHEL ELECTRONICS CONTROL SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the large axial length of the motor, there are disadvantages mentioned above
Moreover, this arrangement also causes the center of gravity of the hydraulic device to have a relatively large offset in the left and right direction relative to the axis of the master cylinder, and the hydraulic device is installed and fixed on the vehicle firewall with the axis of the master cylinder as the center of gravity, so it is resistant to vibration, shock, Disadvantage in force balance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as Figure 1-3 As shown, the present embodiment provides a hydraulic pressure generating device, including a master cylinder 1, a booster cylinder 2 and a base body 3 that are connected to a piston connected to the brake pedal to generate brake fluid pressure. The master cylinder 1 and the booster cylinder 2 are all arranged on the base body 3, the base body 3 is provided with a master cylinder hole 4 for accommodating the piston of the master cylinder 1, and the base body 3 is also provided with a booster cylinder hole 5 for accommodating the piston of the booster cylinder 2, so The lower end of the substrate 3 is provided with a motor 6, the motor 6 is provided with a motor shaft 7, the motor 6 is connected with the piston rod of the booster cylinder 2 through the motor shaft 7, and the motor 6 drives the piston of the booster cylinder 2 to generate hydrodynamic pressure. The motor shaft 7 is connected with the booster cylinder 2 pistons through a rack and pinio...

Embodiment 2

[0027] Such as Figure 4 , 5 As shown, this embodiment provides a hydraulic pressure generating device, the specific structure is consistent with the first embodiment, only the axis position of the booster cylinder 2 is adjusted.

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PUM

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Abstract

The invention provides a hydraulic generation device. The hydraulic generation device comprises a main cylinder, a pressure cylinder and a base body, wherein the main cylinder is used for generating braking hydraulic pressure by using a piston connected with a braking pedal; the main cylinder and the pressure cylinder are both arranged on the base body; a main cylinder hole used for accommodatingthe piston of the main cylinder is formed in the base body; a pressure cylinder hole used for accommodating a piston of the pressure cylinder is also formed in the base body; a motor is arranged at the lower end of the base body; a motor shaft is arranged on the motor; the motor is connected with a piston rod of the pressure cylinder through the motor shaft; and the piston of the pressure cylinderis driven by the motor to generate braking hydraulic pressure. The dimension and weight of the base body are reduced so that the structure of the whole hydraulic generation device is more compact; force balance is mounted on a vehicle to be beneficial for providing reliability and prolonging the service life. A space under the mounting position of the hydraulic generation device on the vehicle isrelatively larger, the motor with larger volume on the hydraulic generation device is arranged at the bottom to be beneficial for arrangement in a vehicle engine compartment; and therefore, the dimension and weight of the base body are reduced, and the cost is reduced.

Description

technical field [0001] The invention relates to the field of automobile brake control, in particular to a hydraulic pressure generating device. Background technique [0002] Refer to the above-mentioned hydraulic pressure generating device shown in Japanese Special Publication No. 2014-525875, Chinese CN 107264505 publication number, and Chinese CN107010037 publication number. Such as Figure 6 , Figure 7 As shown, the axis of the motor is set parallel to the axis of the master cylinder, that is, the axis of the motor is set along the front-to-back direction, so that the motor mounting surface is perpendicular to the axis of the master cylinder. Therefore, the base body needs to make a flange structure in the left and right directions to install the motor, so that the base body The size and weight are large, and the structure of the hydraulic generating device occupies a large space in the left and right directions, which is not conducive to the arrangement of the hydrauli...

Claims

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Application Information

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IPC IPC(8): B60T13/66B60T13/74
CPCB60T13/66B60T13/745
Inventor 覃赞文徐文泉
Owner WUHU BETHEL ELECTRONICS CONTROL SYST