Leaf spring structure and suspension structure

A suspension structure, comprising:

• a leaf spring structure comprising:
• at least two leaf springs, wherein:
• the at least two leaf springs overlap in a vertical direction;
• the at least two leaf springs decrease in length gradually from bottom up;
• and
• the at least two leaf springs comprise a first leaf spring and a second leaf spring, the first leaf spring being longer than the second leaf spring;
• a leaf spring connecting component configured to fixedly connect body portions of the at least two leaf springs in a length direction;
• two first lifting ears respectively disposed at two first free ends of the first leaf spring in the length direction;
• and
• two second lifting ears respectively disposed at two second free ends of the second leaf spring in the length direction;
• a steering knuckle assembly directly connected to the first lifting ears;
• and
• a shock absorber assembly directly connected to the second lifting ears.