Engine manual start assembly and engine thereof

Abstract

The invention discloses an engine manual start assembly and an engine thereof. The engine manual start assembly comprises a case, a start connecting sleeve and a pull rope disk component used for driving the start connecting sleeve to rotate, the start connecting sleeve is matched with an engine crankshaft in a transmission mode, the pull rope disk component comprises at least a pull rope disk, a drive cam and a guide plate, a line is arranged at the edge of the guide plate along a periphery direction, and the line is used for driving the drive cam to be in a joint with the start connecting sleeve through inertia of the guide plate and driving the drive cam to return. The engine manual start assembly has the advantages that the problem of drive failure caused by torsion spring axial deviation is solved, the reliability of the manual start assembly is greatly improved, the service life is prolonged, the drive torsion spring and the release spring are absent, so that the structure of the manual start assembly is simplified, the installation and the dismounting are facilitated, accordingly, the overall structure, the installation and the dismounting are simple, the problem that the engine can not be manually started caused by the failure of the drive torsion spring and the release spring is prevented, and the usage and maintenance costs are reduced.

Description

technical field [0001] The invention relates to an engine component and its engine, in particular to an engine starting device and its engine. Background technique [0002] Engine hand start is a relatively common starting method, especially for small general-purpose engines, hand start is more commonly used. The manual starting assembly of the engine generally includes a pull rope reel, a start connection sleeve, a pull rope reel return spring, a drive cam, a drive cam torsion spring and a separation spring. Under the action of the torsion spring of the drive cam, it is combined with the inner circle of the starting connection sleeve (ratchet pawl). After the start is completed, the return spring of the pull rope reel acts on the pull rope reel to make it return and wind the pull rope; at the same time, the separation spring acts on the Drive the cam to return and separate from the starting connection sleeve. Due to the existence of the drive cam torsion spring and the se...

AI Technical Summary

Problems solved by technology

Due to the existence of the drive cam torsion spring and the separation spring in the above structure, the structure of the entire manual starting assembly is complicated and difficult to install, and the drive cam spring is prone to failure, and the alignment with the edge of the drive cam will be deviated or even detached, so it cannot play a role , low reliability, affecting the normal operation of manual start

Images