Views: 0 Author: Site Editor Publish Time: 2024-01-26 Origin: Site
The utility model relates to a trailer jack, which can support the trailer when the trailer and the tractor are off, and the structure includes an outer cylinder, an inner cylinder, a screw, a handle, a nut, a bearing, a tripod and a castor, etc. The rotating motion of the screw is converted into an upper and lower linear motion of the inner cylinder through the operation of the handle, and the main feature is that the tripod is hinged to the lower end of the inner cylinder, and the lower end of the inner cylinder is provided with a locking tripod to lift and lower two The locking mechanism of a state position, the improved structure is more flexible and convenient to use, the tripod is lifted when the tractor pulls the trailer, and the tripod is put down to support when the two are off, so no matter whether the tractor and the trailer are in the connected state, there is no need to remove the trailer jack, saving more loading time, overcoming the use of trouble and time-consuming and laborious defects, with a higher lifting height. Meet functional requirements.