The invention relates to the technical field of jacks, in particular to a ratchet wheel reversing type pedal screw transmission jack which comprises a first side protection plate and a second side protection plate, a ratchet wheel reversing assembly is arranged on the outer side of the second side protection plate, and a pedal assembly is installed on one side of the ratchet wheel reversing assembly. The pedal assembly comprises a pedal base, a first connecting support, a second connecting support, a pedal rotating shaft, a pedal, a first stop ball and a second stop ball, the pedal rotating shaft is fixedly connected with the transmission shaft, and the first connecting support and the second connecting support are installed on the outer portions of the two sides of the pedal rotating shaft correspondingly; the pedal base is fixedly connected to the bottom of the first connecting support and the bottom of the second connecting support, the pedal is fixedly connected to the top of the pedal rotating shaft, and the first stop ball and the second stop ball are both installed in the pedal rotating shaft.
本发明涉及千斤顶技术领域,具体涉及一种棘轮换向式的脚踏螺杆传动千斤顶,它包括第一侧护板以及第二侧护板,第二侧护板的外侧设有棘轮换向组件,棘轮换向组件的一侧安装有踏板组件,踏板组件包括踏板底座、第一连接支座、第二连接支座、踏板转轴、脚踏板、第一止动球以及第二止动球,踏板转轴与传动轴固定连接,第一连接支座与第二连接支座分别安装于踏板转轴的两侧外部,踏板底座固定连接于第一连接支座与第二连接支座的底部,脚踏板固定连接于踏板转轴的顶部,第一止动球以及第二止动球均安装于踏板转轴的内部。
Ratchet wheel reversing type pedal screw transmission jack
一种棘轮换向式的脚踏螺杆传动千斤顶
2022-12-06
Patent
Electronic Resource
Chinese
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
Transmission thread improved structure of reversing ratchet wheel and long shaft for lever block
European Patent Office | 2021
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