Liquefied petroleum gas cylinder valve used on forklift steel cylinder

The liquefied petroleum gas cylinder valve used on the forklift steel cylinder comprises a valve body, a hand wheel is installed at the front end of the valve body, a bent pipe assembly is installed at the rear end of the valve body, and the bent pipe assembly is composed of a first bent pipe, a second bent pipe and a threaded sleeve used for connecting the first bent pipe and the second bent pipe. The front end of the first bent pipe is connected with the rear end of the valve body, the rear end of the first bent pipe is provided with a vertical connector extending vertically, the lower end of the second bent pipe is provided with a vertical guide pipe, and the vertical guide pipe is inserted into the vertical connector and is in vertical sliding fit with the vertical connector; the upper end of the vertical connector is provided with a chuck with external threads, the chuck comprises a plurality of clamping pieces evenly distributed at the upper end of the vertical connector, and the threaded sleeve is scre