The present invention discloses an extrusion apparatus for high viscosity
liquid to address the problems that the existing extrusion apparatus
tends to be abraded for long-time use and the high viscosity liquid could
not be well extruded. The extrusion apparatus for high viscosity liquid
of the invention comprises a gun body, a retainer fixedly connected to
the gun body, a push rod slidably running through the gun body, a wrench
hinged to the gun body and a handle connected to the gun body,
characterized in that, a push block is hinged to one end of the wrench
adjacent to the push rod, the push rod has a rod body provided with
several teeth on the side facing the push block, a push tooth is provided
on the push block, a permanent magnet is placed on the push block or the
push rod, and the push tooth could be snapped to the teeth under action
of the magnetic force of the permanent magnet.