Cutting knife for garden brush cutter

Abstract

The invention provides a cutting knife for a garden brush cutter, and particularly relates to the technical field of garden tools. The cutting knife comprises a main cutting knife disc which is of a discoid structure, a plurality of cutting knife grooves are formed in the main cutting knife disc, cutting knife sliding grooves are oppositely formed in the inner walls of the cutting knife grooves, and a plurality of cutting knives are movably arranged in the cutting knife sliding grooves; each cutting knife comprises a cutting knife base, wherein the cutting knife base is movably arranged in thecorresponding cutting knife sliding grooves, a first fixing block and a second fixing block are arranged on the cutting knife base, a rotating shaft is arranged between the first fixing block and thesecond fixing block, an adjusting rod is rotatably arranged on the rotating shaft, a fixing plate is further arranged on the cutting knife base, and a cutting knife blade body is hinged to the otherend of the fixing plate; a main pin shaft hole is further formed in the main cutting knife disc, a pin shaft is arranged in the main pin shaft hole, and an auxiliary cutting knife disc is further fixedly arranged on the portion, on one side of the main cutting knife disc, of the pin shaft. The cutting knife has the advantages that the mowing efficiency is improved; besides, main cutting knife blades can rotate when touching hard objects, so that damage of the main cutting knife blades is prevented.

Description

technical field [0001] The invention relates to the technical field of garden tools, in particular to a cutting knife for a garden brush cutter. Background technique [0002] With the continuous improvement of living standards, people gradually begin to pay attention to greening in life. Greening places such as flower beds, yards, and gardens are becoming more and more common. With the gradual generalization of greening places, the maintenance of these greening places has also become an important If the maintenance is not timely, not only will it not bring people visual enjoyment, but the decadent environment will also increase people's fatigue and affect people's normal life. [0003] Lawn mowers are also known as weeders, brush cutters, lawn trimmers, etc. A lawn mower is a mechanical tool for mowing lawns, vegetation, etc. It is composed of a cutter head, an engine, a walking wheel, a walking mechanism, a blade, a handrail, and a control part. The cutterhead is installe...

AI Technical Summary

Problems solved by technology

[0004] The cutting knife of the existing brush cutter adopts an integrated blade, and its disadvantage is that when not in use, the blade is exposed and easily hurts the user, and when the blade hits hard objects such as stones during work, the integrated blade has no elasticity. It is easy to cause the blade to break and the cutting knife needs to be replaced, which makes the service life of the cutting knife short and affects the work efficiency

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