Shear type bleeder

The utility model discloses a shear type bleeder, include: the top connection, the barrel, the upper end of barrel is connected with the lower extreme of top connection, and the lower part inboard ofbarrel is provided with spacing portion, the inboard of barrel is provided with the locating part, the center tube, it wears to establish in the barrel, and the upper end of center tube is located below the locating part, is provided with the block portion with spacing portion looks block outside the upper portion of center tube, be provided with the sealing member between center tube and the barrel, the center tube is located and is provided with the draining hole on the lateral wall of part below the barrel, be provided with the shearing pin nail on the draining hole, shearing ring, its cover are established outside the center tube and through the shearing pin nail fixing, the lower clutch, the lower clutch setting is at the lower extreme of center tube for connect the oil -well pump. The utility model provides