| 摘要 |
<p>A draw bar box is basically composed of a draw bar seat (211), a telescopic draw bar (212) capable of retracting into the draw bar seat (211), a chassis (22) with a draw bar assembly positioning hole (221), wheels (23) and a box body (41). The top end of the draw bar seat (211) is connected with the bottom end of the telescopic draw bar (212), and the bottom end of the draw bar seat (211) is fixed in the draw bar assembly positioning hole (221). The wheels (23) are fixed under the chassis (22). At least one opening (226) is arranged on the chassis (22). The inner surface of the chassis (22) is provided with reinforcing ribs (225). The box body (41) is arranged on the chassis (22) and comprises a fixing frame (411) for supporting the outline of a box body (41) and a peripheral material (412) surrounding the fixing frame (411), the peripheral material (412) further wraps the draw bar seat (211), the telescopic draw bar (212) retracting into the draw bar seat (211) and the chassis (22), and the fixing frame (411) is sewn and fixed in the peripheral material (412).</p> |
