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Liquid reagent transferring and mixing apparatus

A mixing device and reagent technology, applied in the field of experimental equipment, can solve problems such as safety hazards and inconvenience, and achieve the effect of easy operation and simple structure

Inactive Publication Date: 2018-09-18
北京普利智诚生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, when the moved liquid is mixed with other liquids, the various liquids are fully mixed by shaking or mechanical stirring. For volatile liquids, there is a huge potential safety hazard for operators. When mixing in proportion, equipment such as a volumetric flask is needed to determine the amount to be taken, which is extremely inconvenient especially for volatile liquids

Method used

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  • Liquid reagent transferring and mixing apparatus

Examples

Experimental program
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Effect test

Embodiment approach

[0045] As a preferred embodiment, the mixing device 20 includes a cup body 21, a hollow bottom plate 22 is provided at the bottom of the cup body 21, and a set of vent holes 221 are provided on the hollow bottom plate 22, each of the vent holes 221 Each is provided with a PTFE air filter membrane, a storage chamber 23 is provided on one side of the cup body 21, and an air pump 25 is provided in the storage chamber 23. The air inlet pipe 26 of the air pump 25 is connected to the side wall of the cup body 21 On the upper side, the air outlet pipe 24 of the air suction pump 25 is connected to the hollow bottom plate 22, and a waterproof cover 27 is provided on the outside of the air inlet pipe 26, and the waterproof cover 27 is fixed on the inner wall of the cup body 21. The mixing device 20 is provided with a plurality of air outlet holes 221 at the bottom, and a PTFE air filter membrane is arranged in the air outlet 221. The PTFE air filter membrane is air-permeable and impermeab...

Embodiment 1

[0055] Example 1: Mixing of two liquid reagents in a ratio of 1:1

[0056] Such as Figure 4 As shown, at this time, the driving gear meshes with the first gear a, and the first gear a meshes with the first gear b through the second gear; the two pipes are installed in the above process and the driving gear is made by turning the handle or the stepping motor. Rotation drives the first gear a to rotate. The meshed second gear drives the first gear b to rotate, which drives the two lead screws to move upwards and drives the pistons to move upwards, so that the two different liquids in the two two pipes follow The ratio of 1:1 enters the cup. (In this embodiment, a and b are only used to distinguish the two first gears and are only applicable to this embodiment 1)

Embodiment 2

[0057] Example 2: Mixing of two liquid reagents in a ratio of 1:2

[0058] According to the process in Example 1, the two liquids are first transferred 1:1. During the transfer process, the liquid with a high transfer ratio is located at the end close to the driving gear to complete the 1:1 ratio transfer and record the rotation of the driving gear. Count, lift the second gear up by the handle, and fix the second gear to the fixed rod by the hook on the handle, and then turn the driving gear the same number of turns to complete the 1:2 liquid transfer.

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Abstract

A liquid reagent transferring and mixing apparatus relates to the field of experimental instruments. The apparatus comprises a liquid taking device and a mixing device; the liquid taking device comprises a support, a mounting seat is arranged at the upper end of the support, the mounting seat is horizontally provided with at least two first gears, a second gear is arranged between the adjacent first gears, a fixed rod is arranged at the middle part of every second gear, the middle part of every first gear is in threaded connection with a lead screw, the lower end of every lead screw is fixedlyconnected to the inner ring of a bearing, the lower end of the outer ring of every bearing is fixedly connected with a piston, and a syringe sleeves the outer side of every piston; and the lower endof every syringe is connected to the mixing device through a conduit. The brand new liquid taking device and the novel mixing device are designed to meet requirements of transferring and mixing of a volatile liquid; and the apparatus has the advantages of simple structure, convenience in operation, and great promotion and practical values.

Description

Technical field [0001] The invention relates to the field of experimental equipment, in particular to a liquid reagent moving and mixing device. Background technique [0002] During the experimental operation, pipetting is one of the common operations. For volatile liquids, sometimes limited by the laboratory’s own conditions, it cannot be operated in a fume hood. When using a common pipetting device in the laboratory, the volatile liquid will directly contact the outside air and volatilize into the air, making the experiment The air in the room is contaminated, which may even harm the health of the operators. The opening of the reagent bottle with liquid will also cause the liquid to volatilize into the outside air, which will threaten the health of the operator. Moreover, when the moved liquid is mixed with other liquids, the various liquids are fully mixed by shaking or mechanical stirring. For volatile liquids, there is a huge safety hazard for operators. When performing p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F13/02B01F15/04B01F3/08B01L3/02B01F33/40
CPCB01L3/56B01F23/40B01F33/403B01F35/883
Inventor 孟志成王甫力
Owner 北京普利智诚生物技术有限公司
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