Bidirectional gear pump for driving ink box

• Main Authors: LI KANG, HUANG RENCHUN
• Format: Patent
• Language: Chinese; English
• Published: 03.06.2022
• Subjects: ACCESSORIES FOR WRITING OR DRAWING; ARTICLES FOR WRITING OR DRAWING UPON; BLASTING; BUREAU ACCESSORIES; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; 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; TRANSPORTING; WEAPONS; WRITING OR DRAWING IMPLEMENTS

The utility model discloses a bidirectional gear pump used for driving an ink box, which comprises a box body, an inkstone and a storage cavity, the box body is provided with a positioning groove, the inkstone is arranged on the positioning groove, the inkstone is provided with a communicating hole, the storage cavity is connected with the inkstone through the communicating hole, the storage cavity is used for placing ink, and the ink box is provided with a gear. The driving device comprises a shell, a motor arranged in the shell, a first gear and a second gear, and the first gear or the second gear is connected with the driving end of the motor. The ink stone and the storage cavity are communicated with each other, the ink stone and the ink box are integrally formed on the box body, and when the ink stone needs to be used, the motor of the driving device is matched with the first gear and the second gear, and ink is conveyed to the upper wall of the ink stone from the storage cavity; when the ink needs to be