Extend storehouse bottom sprag device

The utility model discloses an extend storehouse bottom sprag device belongs to vehicle box body and extends manufacturing technical field, and its structure includes opens the platform floor that hasmounting groove, mounting groove open the outer edge at the platform floor, mounting groove's inboard border install the buffering hard rubber, mounting groove in dispose mounting plate, mounting plate surface mounting have the support frame that is used for support expanding the storehouse bottom plate. The utility model discloses an extend storehouse bottom sprag device compares with prior art,has following characteristics: 1 )After extending away in the expansion storehouse, the bottom plate and platform floor highly uniform in expansion storehouse, 2 )Extend the storehouse and combine together with the carriage, promoted the aesthetic property ability of interior and the travelling comfort that uses, 3 )Eliminated and extended the step that the storehouse formed, guaranteed the security of people in the inter