Commodity propeller

The utility model discloses a commodity propeller, including bottom plate, first curb plate, second curb plate, the push pedal of roll coil of strip chi propeller, the first card portion of holding, second card portion of holding and baffle, above-mentioned first curb plate, second curb plate and bottom plate all include locating plate and expansion plate, the locating plate of above-mentioned first curb plate, second curb plate is a cored slab, and its inside shape cooperatees with the outside shape of above-mentioned expansion plate, the locating plate of above-mentioned bottom plate is a location and pushes away the groove, and the expansion plate is a flexible groove that pushes away, and the above-mentioned flexible outside shape that pushes away the groove matches with the inside shape that above-mentioned location pushed away the groove. The utility model discloses the length can be adjusted freely length of propeller, adaptability is stronger.