Novel pneumatic injection valve

The utility model discloses a novel pneumatic injection valve which comprises a pneumatic injection valve body, one side of the pneumatic injection valve body is fixedly connected with a binding belt, the other side of the pneumatic injection valve body is provided with an installation back plate, and the outer side of the installation back plate is fixedly connected with a storage frame. And a winding shaft is installed in the storage frame through a bearing, the surface of the winding shaft is sleeved with a limiting disc, the end of the winding shaft is fixedly connected with a driving rod, and the surface of the driving rod is sleeved with a connecting sleeve rod. By rotating the winding shaft, a binding belt can be conveniently wound on the surface of the winding shaft, in the rotating process of the limiting disc, the limiting disc can extrude the inclined face of the surface of the clamping pin, so that the clamping pin is extruded to be shrunk into the fixing frame, winding of the winding shaft is fac