Three-way valve for clutch

Abstract

The invention discloses a three-way valve for clutch, which includes a valve body and an exhaust assembly. An oil channel is penetrated inside the valve body, and an exhaust channel communicating with the oil channel is also provided. The exhaust channel is arranged in steps. It includes a connecting channel section connected with the oil channel and having a smaller hole diameter and an installation channel section far away from the oil channel and having a larger hole diameter. A first stepped surface set away from the oil channel is formed between the connecting channel section and the installation channel section The exhaust assembly includes an exhaust plug that is movably installed on the installation channel section along the axial seal of the installation channel section. The exhaust plug has an exhaust surface opposite to the first step surface, and an exhaust port connected to the outside is formed in the exhaust plug. The air inlet of the air passage and the exhaust air passage is set on the exhaust surface. When the exhaust plug moves toward the oil channel until the exhaust surface touches the first step surface to seal the air inlet, the exhaust plug is far away from the oil passage. The channel moves until the exhaust surface is separated from the first step surface, so as to lead to the air inlet and improve the sealing performance of the exhaust air channel of the three-way valve.

Description

technical field [0001] The invention relates to the technical field of automobile clutch systems, in particular to a three-way valve for clutch. Background technique [0002] Every time the clutch system is disassembled, the air in the clutch system needs to be removed. Therefore, a clutch exhaust device is usually installed in the clutch system. The commonly used clutch exhaust device is a three-way valve. The three-way valve includes the oil inlet, Oil outlet and exhaust port, the exhaust port is equipped with an exhaust bolt, and an exhaust air passage is formed inside the exhaust bolt. Considering that the clutch system is in use, the brake fluid flows from the oil inlet of the three-way valve to the three-way valve. At the same time, the brake fluid will also rise along the exhaust air channel of the exhaust bolt. At this time, the three-way valve relies on the sealing cap to seal the exhaust air channel. Hold the clutch pedal, open the sealing cap, so that the gas in ...

AI Technical Summary

Problems solved by technology

[0002] Every time the clutch system is disassembled, the air in the clutch system needs to be removed. Therefore, a clutch exhaust device is usually installed in the clutch system. The commonly used clutch exhaust device is a three-way valve. The three-way valve includes the oil inlet, Oil outlet and exhaust port, the exhaust port is equipped with an exhaust bolt, and an exhaust air passage is formed inside the exhaust bolt. Considering that the clutch system is in use, the brake fluid flows from the oil inlet of the three-way valve to the three-way valve. At the same time, the brake fluid will also rise along the exhaust air channel of the exhaust bolt. At this time, the three-way valve relies on the sealing cap to seal the exhaust air channel. Hold the clutch pedal, open the sealing cap, so that the gas in the clutch system pipeline is discharged from the exhaust air passage, but in the long-term use process, the performance of the sealing cap sealing the exhaust air passage is reduced, resulting in braking Fluid leaks from the exhaust air passage, affecting the use of the clutch system

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