Pump type ink injection device

• Main Authors: LI SICHEN, HAO MENGYANG
• Format: Patent
• Language: Chinese; English
• Published: 08.06.2016
• Subjects: BUREAU ACCESSORIES; IMPLEMENTS FOR WRITING OR DRAWING; PERFORMING OPERATIONS; TRANSPORTING; WRITING OR DRAWING IMPLEMENTS

The invention discloses a pump type ink injection device which comprises a soft ink injection tube, a one-way valve A, a hydraulic cylinder, an ink tank, a push type ink injection switch, a tail ink storage tank, a piston, a one-way valve B, an ink pumping tube, an operating handle of a hard ink injection tube and a hard, transparent, long and thin tube, and belongs to the technical field of application of small water pumps. According to the technical scheme, when ink of a gel ink pen runs out or is about to run out, the hard, transparent, long and thin tube of the pump type ink injection device penetrates through tail ink of the gel ink pen from the tail of the gel ink pen, and directly extends to a pen head, then the push type ink injection switch is pushed slightly, ink in the ink tank can be pumped into the gel ink pen along the ink injection tube, when the amount of the injected ink is proper, the ink injection tube is pulled out from the gel ink pen slightly, and then a new gel ink pen is obtained. 本发明创