AUTOMATIC ACCURATELY EASY CONTROLLED LIQUID TRANSMISSION DEVICE

• Main Author: JI CHUNQING
• Format: Patent
• Language: English
• Published: 04.11.1992
• Edition: 5
• Subjects: CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; TRANSPORTING

The utility model relates to an automatic accurately easy controlled liquid transmission device. The utility model is composed of an ordinary transfer pipet (1), an air chamber (3) provided with a rubber head or rubber jacket (2) on the lower side, a liquid sucking device (9), a liquid discharging device (8) and an automatic closing device (5), wherein, the rubber head or rubber jacket (2) is inserted in or sheathed on the upper end of the ordinary transfer pipet (1), the liquid sucking device (9) is communicated with the air chamber (3) by the automatic closing device (5), the pressure of the air chamber (3) can be reduced, the liquid can be sucked to the ordinary transfer pipet (1), the liquid discharging device (8) is communicated with the air chamber (3) by a bent tube (4), the air chamber (3) can be emptied with a zero negative pressure, and the liquid is transferred. The utility model can be operated with one hand, the liquid is transferred accurately, and the liquid-transferring is controllable and fast.