Laboratory solid powder quantitative taking device

A solid powder and laboratory technology, applied in the field of laboratory sample measurement, can solve the problems of solid powder sampling difficulties and achieve the effects of reducing waste, improving experimental efficiency, and reducing measurement errors

Inactive Publication Date: 2020-06-05
FUJIAN NORMAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] For this reason, it is necessary to provide a laboratory solid powder quan

Method used

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  • Laboratory solid powder quantitative taking device
  • Laboratory solid powder quantitative taking device

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Embodiment Construction

[0038] In order to explain in detail the technical content, structural features, achieved goals and effects of the technical solution, the following will be described in detail in conjunction with specific embodiments and accompanying drawings.

[0039] see Figure 1 to Figure 3 , The present invention provides a laboratory solid powder quantitative taking device, including a reagent bottle 1, a housing 2, a sampling assembly and a push rod assembly arranged in the housing. The reagent bottle is a container for storing solid powder. The sampling component is used to take a quantitative solid sample from the reagent bottle within a unit time and transport it to the push rod component. The push rod component is used to collect the collected preset mass Solid samples are pushed out of the housing and transferred to the intended instrument for experimentation.

[0040] The upper part of the housing is provided with a connection port 21 matching the mouth of the reagent bottle, an...

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Abstract

The invention relates to a laboratory solid powder quantitative taking device which comprises a reagent bottle, a shell, a sampling assembly and a push rod assembly, wherein a connecting opening matched with the bottle opening of the reagent bottle is formed in the upper part of the shell; the sampling assembly comprises a power part, an inner disc and an outer disc, the inner disc is of a cylindrical structure with grooves evenly formed in the circumferential direction, the outer disc is of a hollow cylindrical structure with a feeding port and a discharging port formed in the side face, theinner disc is arranged in the outer disc in a sleeved mode, and the output end of the power part is connected with the center of the inner disc and used for driving the inner disc to rotate; the pushrod assembly comprises a material storage cavity, a push rod, an elastic piece and a film pressure sensor, the material storage cavity is of a hollow structure with openings formed in the upper end and the lower end, and the opening in the upper end of the material storage cavity corresponds to the outer disc discharging opening. The laboratory solid powder quantitative taking device is simple, convenient and efficient in weighing process and can effectively reduce metering errors and reduces waste of solid samples in the transferring process and thus improves experiment efficiency.

Description

technical field [0001] The invention relates to the field of laboratory sample measurement, in particular to a laboratory solid powder quantitative taking device. Background technique [0002] The existing method of weighing solid samples in the laboratory is: first spread weighing paper on the electronic balance, after peeling the weighing paper, take out the solid sample from the reagent bottle with an ordinary medicine spoon and put it on the electronic balance to weigh. After weighing the required amount of solid sample, transfer the solid sample from the weighing paper to the target instrument. [0003] The traditional method of measuring solid powder in the laboratory is cumbersome and time-consuming, and it is easy to cause waste of samples in the process of taking multiple times, especially when using the reduction method to take perishable samples. Inadvertently knock out excess sample. All of the above have a negative impact on the experimental efficiency. Cont...

Claims

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Application Information

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IPC IPC(8): G01G17/06
CPCG01G17/06
Inventor 蔡开聪兰华英
Owner FUJIAN NORMAL UNIV
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