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A measuring cylinder with variable capacity

A variable and graduated cylinder technology, applied in the field of experimental equipment, can solve the problem of invariable volume of the graduated cylinder

Active Publication Date: 2017-03-22
成都新基因格生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a measuring cylinder with variable capacity, which solves the problem that the volume of the existing measuring cylinder is not variable

Method used

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  • A measuring cylinder with variable capacity
  • A measuring cylinder with variable capacity

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Embodiment Construction

[0009] Such as figure 1 As shown, a measuring cylinder with variable capacity includes a straight cylinder 1 with a soft bag body 2 covering the lower part of the straight cylinder 1 , and the straight cylinder 1 communicates with the bag body 2 . The bag body 2 is composed of a neck, an upper plate, a flexible connecting portion and a bottom plate, and the neck is covered by the lower end of the straight cylinder 1 . The bag body 2 is made of polytetrafluoroethylene as a whole, the upper plate and the bottom plate are hard plates and have the same shape, and the area of ​​the horizontal section at any position of the flexible connection part is not larger than the area of ​​the bottom plate. When the bag body 2 is compressed, under the action of the upper plate and the bottom plate, it can be ensured that basically no liquid will enter the bag body 2 .

[0010] In the present invention, a soft bag body 2 is socketed on the lower part of the straight cylinder 1. When the meas...

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Abstract

The invention discloses a measuring cylinder with variable capacity. The measuring cylinder comprises a straight cylinder, the lower portion of the straight cylinder is sleeved with a soft bag body, the straight cylinder is communicated with the bag body, and the bag body is composed of a neck portion, an upper plate, a flexible connecting portion and a base plate. The bag body is integrally made of polytetrafluoroethylene materials, the upper plate and the base plate are both hard plates and are the same in shape, and the area of a horizontal section at any position of the flexible connecting portion is no larger than the area of the base plate. According to the measuring cylinder with the variable capacity, due to the fact that the lower portion of the straight cylinder is sleeved with the soft bag body, when the measuring cylinder is lifted and liquid is added into the measuring cylinder, the volume of the liquid is equal to the sum of the volume of the bag body and the volume of the straight cylinder; when the liquid adding quantity is small, the measuring cylinder is pressed on a tabletop, liquid is added into the measuring cylinder, at the moment, the bag body is not filled with water, and the volume of the liquid is equal to the volume of the straight cylinder. The bag body is made of the polytetrafluoroethylene materials, and has the effects of acid, alkali and corrosion resistance. The measuring cylinder with the variable capacity can measure a large proportion of liquid and has the advantages of being simple in structure, convenient to use and practical.

Description

technical field [0001] The invention belongs to the field of experimental equipment, in particular to a measuring cylinder with variable capacity. Background technique [0002] A measuring cylinder is an instrument used to measure the volume of a liquid, generally made of glass into a long cylinder. Existing measuring cylinder capacity is all fixed, when wanting to measure the liquid that is larger than existing measuring cylinder volume, just must change measuring cylinder or measure in several times, seems inconvenient. Contents of the invention [0003] The object of the present invention is to provide a measuring cylinder with variable capacity, which solves the problem that the volume of the existing measuring cylinder is not variable. [0004] The technical solution of the present invention is: a measuring cylinder with variable capacity, comprising a straight cylinder, a soft bag body is set on the lower part of the straight cylinder, the straight cylinder communic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F19/00
Inventor 亓宇董鑫
Owner 成都新基因格生物科技有限公司
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