Waste liquid suction device

The utility model provides a waste liquid suction device which at least comprises a negative pressure generator and a liquid suction device, the liquid suction device at least comprises a handle, a suction pipe is connected between the handle and the negative pressure generator, the suction pipe is inserted into the handle, and an inlet of the suction pipe is located at the front end of the handle. The suction pipe cap is detachably connected to the inlet of the suction pipe, in the process that the suction pipe sucks waste liquid, only the suction pipe cap makes contact with the waste liquid from the outside, only the suction pipe cap needs to be recycled after suction is completed, and the problem that the waste liquid remaining on the surface drops can be avoided. According to the scheme, the whole structure is simple, use is convenient, and the working efficiency of waste liquid suction can be improved. 本实用新型提供了一种废弃液吸取装置，至少包括负压发生器和液体吸取器，液体吸取器至少包括手柄，手柄与负压发生器之间连接有吸管，吸管插入所述手柄内，且吸管的进口位于手柄的前端。吸管的进口处可拆卸式连接有吸管帽，