The utility model discloses a lifting frame, which comprises a slide bar, the slide bar is installed on the supporting legs and the sliding sleeve, the sliding sleeve is designed with hooks and tightening device, which is characterized in that the sliding sleeve is arranged in the circumferential direction of the rotor, the rotor design of marbles, marbles in the sliding groove of the sliding sleeve. The rotor is provided with a hook outside the rack teeth in the perforation phase. Hook connected with the rotor can rotate 360 degrees relative to the sliding sleeve, and rotates a small angle, the circumferential direction of the rotor will slide into the ball groove of the sliding sleeve on the inside, issue a \beep\ sound, at this time, the hook and the sliding sleeve to achieve a relatively stable connection, some slightly heavier items hanging on hook, hook can slide relatively static protection so as to facilitate the use of people.
【技术实现步骤摘要】
【技术保护点】
１．升降架，包括滑杆（１），滑杆（１）上安装有支脚（２）和滑动套（３），滑动套（３）上设计有挂钩（４）和拧紧装置（５），其特征在于：所述滑动套（３）内安装有转子（６），转子（６）的周向设计有弹珠（７），弹珠（７）可在滑动套（３）内的凹槽（８）滑动，转子（６）内设有与挂钩（４）外齿条（９）相齿合的内齿孔（１０）。
【技术特征摘要】
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。