Lawn mower

A lawn mower comprising:

• a housing;
• a moving device connected with the housing and configured to drive the lawn mower to move;
• and
• a cutting mechanism, installed on the housing and configured to execute a cutting task, comprising a driving device and a cutting device connected with the driving device,
• wherein:
• the cutting device is configured to execute a cutting task under driving of the driving device,
• the cutting device comprises a plurality of cutting units stacked in a first direction, each cutting unit comprising at least one cutting element, and each cutting unit forms a cutting domain when executing the cutting task,
• in at least one second direction perpendicular to the first direction, a first preset spacing S1 is provided between edges of cutting domains of at least one set of two adjacent cutting units, and an edge of a cutting domain of a cutting unit closer to a working surface of the two adjacent cutting units is closer to the driving device than that of the other cutting unit of the two adjacent cutting units.

A lawn mower comprising:

• a housing;
• a moving device connected with the housing and configured to drive the lawn mower to move;
• and
• a cutting mechanism, installed on the housing and configured to execute a cutting task, comprising a driving device and a cutting device connected with the driving device,
• wherein:
• the cutting device is configured to execute a cutting task under driving of the driving device,
• the cutting device comprises a plurality of cutting units stacked in a first direction, and each cutting unit comprises at least one cutting element,
• in at least one set of two adjacent cutting units, one cutting unit includes a first cutting element arranged in a first phase, the other cutting unit includes a second cutting element arranged in a second phase, and
• a phase difference between the first cutting element and the second cutting element is configured to cause the first cutting element and the second cutting element to sequentially cut grass at the same position within a single rotation cycle of the cutting device.