A lawn mower comprising a lawn mower body, wherein a cutting chamber is arranged at the bottom of the lawn mower body, a blade is rotatably connected to the middle of the cutting chamber, and a plurality of first grass inlet channels communicated with the cutting chamber are arranged on the front side of the bottom of the lawn mower body, wherein the plurality of first grass inlet channels are provided with a supporting mechanism for improving the total bending resistance of the grass in the cutting process; during the traveling of the lawn mower body, the grass to be cut enters between the plurality of supporting pieces from the first grass inlet channels and the second grass inlet channels of the base of the supporting mechanism, and the top of the grass to be cut passes out from the supporting pieces.
1 . A lawn mower, comprising:
a lawn mower body ( 1 ), wherein a cutting chamber ( 11 ) is arranged at a bottom of the lawn mower body ( 1 ), a blade ( 12 ) is rotatably connected to a middle of the cutting chamber ( 11 ), and a plurality of first grass inlet channels ( 13 ) communicated with the cutting chamber ( 11 ) are arranged on a front side of the bottom of the lawn mower body ( 1 ), wherein the plurality of first grass inlet channels ( 13 ) are provided with a supporting mechanism ( 2 ) for improving a total bending resistance of grass during cutting, and the supporting mechanism ( 2 ) comprises a base ( 21 ) detachably arranged on the plurality of first grass inlet channels ( 13 ) and a plurality of supporting pieces ( 22 ) arranged side by side on the base ( 21 ) and extending to a lower portion of the cutting chamber ( 11 ), wherein the base ( 21 ) is provided with a plurality of second grass inlet channels ( 211 ) respectively communicated with the plurality of first grass inlet channels ( 13 ), wherein an orthographic projection of a rotation range of the blade ( 12 ) overlaps with orthographic projections of the plurality of supporting pieces ( 22 ),
wherein along an extension direction of the plurality of first grass inlet channels ( 13 ), a length that the orthographic projection of the rotation range of the blade ( 12 ) overlaps with the orthographic projections of the plurality of supporting pieces ( 22 ) is not less than a ratio of distance S meters travelled by the lawn mower body ( 1 ) per second to n revolutions per second of the blade ( 12 ).
2 . The lawn mower of claim 1 , wherein lengths of the plurality of supporting pieces ( 22 ) extending toward the cutting chamber ( 11 ) are different, wherein a connecting line of end points of the plurality of support pieces ( 22 ) close to one end of the cutting chamber ( 11 ) is configured to be arc-shaped, and its center is located on a rotation center line of the blade.
3 . The lawn mower of claim 1 , wherein along the extension direction of the plurality of first grass inlet channels ( 13 ), the length that the orthographic projection of the rotation range of the blade ( 12 ) overlaps with the orthographic projections of the plurality of support pieces ( 22 ) is 10-30 mm.
4 . The lawn mower of claim 1 , wherein a thickness of each of the plurality of supporting pieces ( 22 ) is 4-6 mm, and a distance between two adjacent supporting pieces ( 22 ) is 30-40 mm.
5 . The lawn mower of claim 1 , wherein a height of each of the plurality of supporting pieces ( 22 ) is 10-15 mm.
6 . The lawn mower of claim 1 , wherein a distance between an upper surface of each of the plurality of supporting pieces ( 22 ) and the blade ( 12 ) is 4-6 mm.
7 . The lawn mower of claim 1 , wherein the base is fixedly connected to the plurality of first grass inlet channels ( 13 ) through a plurality of bolts ( 3 ).