| 摘要 |
<p>Disclosed is a structure of a handle horizontal tube of a folding handle. A positioning hole is disposed on the hollow handle horizontal tube. The positioning hole fits a key slot on a fixed key accommodated in the hollow handle horizontal tube, an end of the fixed key is provided with a fixed key guide slot, an end of the hollow handle horizontal tube is provided with a hollow handle horizontal tube guide slot, the fixed key guide slot has the same slot direction with the hollow handle horizontal tube guide slot, and the fixed key is provided with a shaft hole at the position of the fixed key guide slot. One end of a square core pin is disposed in the fixed key guide slot, a through hole disposed at one end of the square core pin fits the shaft hole, and a center shaft penetrate the through hole and the shaft hole to rotary position one end of the square core pin. The present invention has a scientific design, well-knit structure, desired stability, beauty and practicability, thereby providing a suitable device for the production of a handle of a folding bicycle.</p> |
