Portable cement slurry filling pressure gun

The utility model provides a portable cement slurry filling pressure gun, and relates to equipment used in the field of building construction. The portable cement slurry filling pressure gun comprises a gun cap, a slurry storage tube, a piston, a top rod, a dredge needle, a gun handle, a trigger, a pushing plate, a fixing plate and a spring, wherein the front end of the gun cap is provided with a slurry outlet nozzle communicated with the inner side of the gun cap, the gun cap is connected with the slurry storage tube, the piston is arranged at the inner side of the slurry storage tube, the top rod sequentially passes through through holes formed in the fixing plate, the pushing plate and the end wall of the back end of the slurry storage tube from the back side to the front side to be fixedly connected with the piston, the piston can forwards and backwards move in the slurry storage tube under the push-pull effect of the top rod, the back end of the dredge needle sequentially passes through dredge needle through holes formed in the piston and the end wall of the back end of the slurry storage tube to be fixedly connected with the pushing plate, the front end of the dredge needle extends into the slurry outlet nozzle and can freely go into or go out of the slurry outlet nozzle, and the dredge needle can do forward and backward reciprocating movement under the effect of the pushing plate. The portable cement slurry filling pressure gun can be conveniently used in hollow joint or hole slurry filling construction, in addition, the slurry outlet is uniform, the slurry can be filled in place, and the slurry filling construction quality can be effectively ensured.