Pier energy absorption type rubber fender

The invention discloses an pier energy absorption type rubber fender, which comprises an outer cylinder body, an inner cylinder body, buffer mechanisms and limiting mechanisms, wherein positioning seats are embedded in the left end and the right end of the outer cylinder body; a first air valve and a second air valve are respectively inserted into the central positions in the two positioning seats; the output end of the first valve and the output end of the second valve both extend into the outer cylinder, the output end of the second air valve is communicated with the interior of the inner cylinder body through a flexible hose, the front side and the rear side of the inner cylinder body are both elastically connected with the outer cylinder body through buffer mechanisms arranged at equalintervals, and the upper side and the lower side of the inner cylinder body are both movably connected with the outer cylinder body through limiting mechanisms arranged at equal intervals. Accordingto the rubber fender, a th