One-way clutch of automobile engine

Abstract

The invention discloses a one-way clutch of an automobile engine. The one-way clutch comprises a driving star wheel, a driving gear and a shifting fork mechanism, wherein the driving star wheel comprises a star wheel mounting part and a star wheel connection part; the shifting fork mechanism comprises a spring cover, a resetting spring, a shifting fork stop sheet, a clamping spring and a clamping spring limiting seat which sleeve the star wheel connection part respectively; an annular outer flanging is arranged at one end of the spring cover, and an annular inner flanging is arranged at the other end of the spring cover; one end of the resetting spring is propped against the inner wall of the annular inner flanging, and the other end of the resetting spring is propped against the star wheel connection part; the shifting fork stop sheet is propped against the outer wall of the annular inner flanging of the spring cover; a shifting fork annular slot is formed between the annular outer flanging of the spring cover and the shifting fork stop sheet; a limiting ring slot is formed in one end, which is far away from the star wheel mounting part, of the star wheel connection part; the clamping spring is arranged in the limiting ring slot through the clamping spring limiting seat and is propped against one end, which is back on to the spring cover, of the shifting fork stop sheet. The one-way clutch is reasonable in structure and conveniently and precisely mounted; the phenomenon that the shifting fork mechanism is separated from a one-way device can be well avoided; the usability is greatly improved, and the service life is prolonged favorably.

Description

technical field [0001] The invention relates to the technical field of starters, in particular to an automobile starter one-way clutch. Background technique [0002] The car starter is a machine that converts electrical energy into mechanical energy to drive the engine flywheel to rotate to start the engine, and the one-way device is a transmission device on the car starter that transmits the torque generated by the motor to the flywheel, which can well ensure the stability of the car. Start, achieve smooth shifting, prevent transmission system overload and other functions. The existing starter one-way device usually includes a driving star wheel, a driving gear and a shift fork mechanism. The gear drives the flywheel to rotate to start the engine, and the shift fork mechanism usually includes two shift fork sleeves, a return spring and a limit plate. The two shift fork sleeves are connected by welding to form a shift fork space. The return spring can reduce the single How...

AI Technical Summary

Problems solved by technology

The existing starter one-way device usually includes a driving star wheel, a driving gear and a shift fork mechanism. The gear drives the flywheel to rotate to start the engine, and the shift fork mechanism usually includes two shift fork sleeves, a return spring and a limit plate. The two shift fork sleeves are connected by welding to form a shift fork space. The return spring can reduce the single However, the welding of the two shift fork sleeves is not conducive to the accuracy of installation, and when one shift fork sleeve is damaged, both of them are scrapped, and due to the limited force of the limit plate, the shift fork mechanism will not work for a long time. After repeated movement, it is easy to open the limit plate and break away from the one-way device. Moreover, the structure of the roller installation groove in the driving star wheel is defective, which usually makes the work of the roller in the roller installation groove unstable. More importantly, the roller compression spring is easy to pop out of the roller installation groove, which greatly affects the performance of the one-way device, and at the same time poses a safety hazard to the car

Images