28-04-2023 дата публикации
Номер: CN116025537A
Принадлежит:
The invention discloses a liquid chromatography pump which comprises a pump base, a driving unit, a transmission unit, a plunger rod, a low-pressure body and a high-pressure body, the driving unit, the transmission unit, the plunger rod, the low-pressure body and the high-pressure body are all installed in the pump base, and the plunger rod and the transmission unit are in floating connection through a flexible connecting mechanism. The flexible connecting mechanism comprises a supporting frame and a limiting groove, the supporting frame is fixedly installed on the end face of the plunger rod, the limiting groove is formed in the end face, close to the plunger rod, of the transmission unit, and a ball is arranged in the limiting groove, so that the supporting frame and the transmission unit are connected in a point contact mode; the supporting frame is further connected with a stabilizing mechanism. The structure is simple and reliable, the dead volume is small, inclination or shaking of ...
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