Stirring device, reaction container and analytical instrument

Abstract

The invention discloses a stirring device, a reaction container and an analytical instrument. The stirring device comprises a supporting pipe, a transmission shaft, a first oil seal, a second oil seal, a first bearing and a second bearing; the transmission shaft penetrates through the supporting pipe, and the two ends of the transmission shaft extend out of the supporting pipe by a certain length; the first bearing and the first oil seal are mounted at one end in the supporting pipe, and the second bearing and the second oil seal are mounted at the other end; and the first bearing and the second bearing support the transmission shaft, and the first oil seal and the second oil seal seal the transmission shaft. The stirring device can be installed on the reaction container in various modes, leakage points are transferred, all structural accessories of the stirring device are hidden in the supporting pipe, the supporting pipe is connected with an instrument container in a non-movable rigid connection mode, the installation mode is firm and reliable, movement is avoided, and therefore, leakage caused by aging of accessories after long-time work does not exist.

Description

technical field [0001] The invention belongs to the field of analytical instruments, and in particular relates to a stirring device, a reaction container including the stirring device and an analytical instrument including the reaction container. Background technique [0002] Laboratory analytical instruments have a wide range of downstream applications, and are used in environmental monitoring, food testing, pharmaceutical research and development and testing, medical diagnosis, commodity inspection, material analysis and other industries, and play an important role in key links such as product development and testing. Due to the wide range of industries involved, laboratory analytical instruments participate in a wide variety of experiments, and the reagents and experimental environments required for each experiment are different. Some are organic solvents, which are highly corrosive to plastics and rubber. Some experiments are carried out in high temperature environments,...

AI Technical Summary

Problems solved by technology

The biggest problem with this method is that the leakage point is below the reagent liquid level. After the stirring device works for a long time due to wear and other reasons, the sealing performance will be greatly reduced. Once the wear degree increases, leakage will inevitably occur. The only The solution is to replace the relevant accessories regularly, and the way of replacing the accessories will greatly increase the cost and the actual operation is very troublesome

[0003] In addition, the stirring device itself has poor corrosion resistance and can only be used on instruments without corrosive reagents; it is not resistant to high temperature and can only be used in non-high temperature environments; it is not resistant to high pressure and can be used normally under normal atmospheric pressure The environment cannot be used; the structure is complex and bulky, and can only be used on matching instruments, which is poor in generalization; the parts used in some structures are non-durable parts, which need to be replaced regularly, which is expensive and inconvenient to use

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