Efficient gear pump

• Main Authors: LI ZHIZHONG, ZHANG LEYUAN, ZHANG RUIBIAO
• Format: Patent
• Language: Chinese; English
• Published: 05.08.2022
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS; WEAPONS

The utility model discloses an efficient gear pump which comprises a shell, an input shaft, an output shaft, a driving gear, a driven gear, two end covers and two shaft sleeves, and the front end cover and the rear end cover are fixedly installed at the front end and the rear end of the shell respectively to form a closed box body; the input shaft and the output shaft are installed on the box body, the driving gear is fixedly installed on the input shaft and located in the box body, the driven gear is fixedly installed on the output shaft and located in the box body, the driving gear and the driven gear are in meshing transmission, and the two shaft sleeves are located on the front half section and the rear half section of the shell respectively. A plurality of combined seals are arranged on the inner end face of the shaft sleeve, the combined seals on the shaft sleeve on the front half section of the shell are attached to the front end face of the driving gear and the front end face of the driven gear, and t