1.1is a front view of a first embodiment of a cleaning robot;
1.2is a back view thereof;
1.3is a left view thereof;
1.4is a right view thereof;
1.5is a top view thereof;
1.6is a bottom view thereof;
1.7is a top perspective views thereof;
1.8is a bottom perspective views thereof;
1.9is an enlarged view of a part denoted and marked by broken lines in 1.7;
2.1is a front view of a second embodiment of a cleaning robot;
2.2is a back view thereof;
2.3is a left view thereof;
2.4is a right view thereof;
2.5is a top view thereof;
2.6is a bottom view thereof;
2.7is a top perspective views thereof;
2.8is a bottom perspective views thereof; and
2.9is an enlarged view of a part denoted and marked by broken lines in 2.7.
The broken lines in the reproductions 1.2to 1.5and 1.8depict portions of the cleaning robot that form no part of the claimed design, and the broken lines in the reproductions 1.7, 1.9, 2.7and 2.9are used only for indication purpose and form no part of the claimed design.