Fish-mouth-type reversible lappet

The utility model discloses a fish-mouth-type reversible lappet, which comprises a left mounting plate and a right mounting plate and also comprises a U-shaped panel, wherein the outer sides of the left mounting plate and the right mounting plate are respectively provided with a reinforcing slot; the left mounting plate and the right mounting plate are respectively arranged at the left side and the right side of the panel through a rotating shaft; two locating pieces are respectively fixed at the inner sides of the left mounting plate and the right mounting plate; two air springs (A) are respectively arranged between the left mounting plate as well as the right mounting plate and the panel; the panel is provided with a pattern fish-mouth plate which is respectively vertical to the left mounting plate and the right mounting plate; L plates are fixed at both ends of the pattern fish-mouth plate and both ends of the pattern fish-mouth plate are fixed with the panel through bolts; and both ends of the pattern fish-mouth plate and the panel are respectively provided with an air spring (B). In the fish-mouth-type reversible lappet, turnover pedals can be conveniently arranged on tires at both sides of a compartment and fire-fighting equipment can be conveniently stored and fetched.