| 摘要 |
A baby carriage comprises a front wheel bracket (1), a right rear wheel bracket (3) pivotally connected to the right rear side of the front wheel bracket (1), a left rear wheel bracket (5) pivotally connected to the left rear side of the front wheel bracket (1), a right push rod (6), a left push rod (7), a sliding element (8) glidingly arranged on front wheel rods, a right rear supporting rod (9) whose upper part is pivotally connected to the right push rod (6), a left rear supporting rod (11) whose upper part is pivotally connected to the left push rod (7), a fist driving rod (12) pivotally connected to the sliding element (8), and a second driving rod (13) pivotally connected to the sliding element (8). The lower part of the right rear supporting rod (9) is pivotally connected to the right rear side of the front wheel bracket (1), and the lower part of the left rear supporting rod (11) is pivotally connected to the left rear side of the front wheel bracket (1). The upper part of the first driving rod (12) is pivotally connected to the lower part of the right push rod (6), and the lower part to the left rear wheel bracket (5). The upper part of the second driving rod (13) is pivotally connected to the lower part of the left push rod (7), and the lower part to the right rear wheel bracket (3). |
