How does the internal structure design of the brake master cylinder affect its performance?

The brake master cylinder is a key component in the automobile braking system, and its internal structure design has a vital impact on the performance of the entire braking system. A reasonably designed brake master cylinder can improve braking efficiency and ensure the safety and stability of the vehicle under various working conditions.

1. Pump body design: The pump body of the brake master cylinder is the core part of the entire device. It needs to have sufficient strength and durability to withstand the action of high-pressure liquid. The design of the pump body needs to consider the selection of materials and the optimization of the structure. For example, the use of high-strength aluminum alloy or stainless steel materials can improve the corrosion resistance and wear resistance of the pump body. At the same time, the flow channel design inside the pump body also needs to be refined to ensure that the flow resistance of the hydraulic oil is minimized when passing through, ensuring the efficiency of hydraulic transmission.

2. Piston and piston rod: The piston and piston rod are the key moving parts inside the brake master cylinder, which directly affect the efficiency of hydraulic transmission and the output of braking force. The piston needs to have good sealing performance to prevent hydraulic oil leakage. Usually, the piston surface is precision machined and specially treated to reduce friction and wear. The design of the piston rod needs to consider its stiffness and strength to ensure that it does not deform under high-pressure working conditions, and at the same time, it needs to have sufficient wear resistance and corrosion resistance.

3. Sealing system: The sealing system is a crucial part of the internal structure of the brake master cylinder, which directly affects the sealing and braking efficiency of the hydraulic system. The sealing ring and sealing gasket are the core components of the sealing system, usually made of high-performance rubber materials or composite materials, with good high temperature resistance, pressure resistance and corrosion resistance. The design of the sealing system needs to ensure that it can still maintain good sealing performance under high-pressure working conditions to prevent hydraulic oil leakage.

4. Return spring: The function of the return spring is to quickly return the piston to the original position when the brake pedal is released to prepare for the next braking operation. The design of the return spring needs to consider its elastic coefficient and fatigue resistance to ensure that it can still maintain a stable return ability after long-term use. A reasonably designed return spring can improve the response speed and operating comfort of the brake system.

5. Reservoir and inlet and outlet valves: The reservoir is the part of the brake master cylinder that stores hydraulic oil. It needs to have good sealing and leak-proof design. The capacity of the reservoir needs to be designed according to the needs of the brake system to ensure that there is sufficient supply of hydraulic oil under various working conditions. The inlet and outlet valves are key components for controlling the flow of hydraulic oil, and their design needs to ensure rapid response and reliable sealing under high pressure conditions.

The internal structure design of the master brake cylinder has an important impact on its performance. Reasonable design of the pump body, piston, sealing system, return spring and reservoir and other components can improve the efficiency, reliability and response speed of the brake system, and ensure the braking safety of the vehicle under various working conditions. Through the continuous optimization and improvement of the internal structure of the master brake cylinder, the performance of the automobile braking system will be further improved, providing a more solid guarantee for driving safety.