CN203551027U - Measuring cylinder with variable volume - Google Patents
Measuring cylinder with variable volume Download PDFInfo
- Publication number
- CN203551027U CN203551027U CN201320769573.1U CN201320769573U CN203551027U CN 203551027 U CN203551027 U CN 203551027U CN 201320769573 U CN201320769573 U CN 201320769573U CN 203551027 U CN203551027 U CN 203551027U
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- CN
- China
- Prior art keywords
- bag
- volume
- liquid
- cylinder body
- measuring cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a measuring cylinder with a variable volume. The measuring cylinder comprises a straight cylinder body, wherein the lower portion of the straight cylinder body is sleeved with a soft bag, the straight cylinder body is communicated with the bag, the bag is composed of a neck portion, an upper plate, a flexible connection portion and a bottom plate, the bag is made of teflon materials integrally, the upper plate and the bottom plate both are made of hard plates and consistent in shape, and the area of the horizontal section of any position of the flexible connection portion is not larger than that of the bottom plate. the soft bag is connected to the lower portion of the straight cylinder body in a sleeved mode, when the measuring cylinder is lifted up to be filled with liquid, the volume of liquid is the sum of the volume of the bag and the volume of the straight cylinder body, when liquid measuring amount is little, the measuring cylinder is pressed on a table board for liquid adding, the bag can not contain water, the volume of the liquid is the volume of the straight cylinder body, the bag is made of the teflon materials and has acid-alkali resistance and corrosion resistance, and most liquid can be measured, and the measuring cylinder has the advantages of being simple in structure, and convenient to use, and practical.
Description
Technical field
The utility model belongs to experiment equipment field, is specifically related to a kind of graduated cylinder of volume-variable.
Background technology
Graduated cylinder is a kind of utensil for metering liquid volume, generally adopts glass to make growth tubular.Existing graduated cylinder capacity is all fixed, and in the time will measuring the liquid that is greater than existing graduated cylinder volume, with regard to changing graduated cylinder or divide, measures several times, seems inconvenient.
Utility model content
The utility model object is to provide a kind of graduated cylinder of volume-variable, solves the immutable problem of existing graduated cylinder volume.
The technical solution of the utility model is: a kind of graduated cylinder of volume-variable, comprise straight tube, described straight tube bottom cover has a soft bag, described straight tube is communicated with bag, described bag by neck, upper plate, flexibly connect portion and base plate forms, described bag integral body is teflon material, and upper plate is hard plate with base plate and shape is identical, described in flexibly connect the horizontal section of portion optional position area be not more than the area of base plate.
The utility model compared with prior art tool has the following advantages:
The utility model is by the soft bag of bottom socket in straight tube, when graduated cylinder is mentioned to liquid feeding, the volume of liquid is the volume that the volume of bag adds straight tube, when getting liquid measure when less, by graduated cylinder, by carry out liquid feeding on table top, now bag just can not fill water, the volume of liquid is exactly the volume of straight tube, bag adopts teflon material, has the corrosion resistant effect of acid-fast alkali-proof, can measure most liquid.Upper plate is hard plate with base plate and shape is identical, described in flexibly connect the horizontal section of portion optional position area be not more than the area of base plate.Can guarantee that bag can not enter liquid substantially when compression bag.There is simple, the convenient and practical feature of knot.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, Reference numeral is: 1-straight tube, 2-bag.
Embodiment
As shown in Figure 1, a kind of graduated cylinder of volume-variable, comprises straight tube 1, and described straight tube 1 bottom cover has a soft bag 2, and described straight tube 1 is communicated with bag 2.Described bag 2 by neck, upper plate, flexibly connect portion and base plate forms, neck is enclosed within the lower end of straight tube 1.Described bag 2 integral body are teflon material, and upper plate is hard plate with base plate and shape is identical, described in flexibly connect the horizontal section of portion optional position area be not more than the area of base plate.When compression is during bag 2, under the effect of upper plate and base plate, can guarantee that 2 li of bags substantially can feed liquor body.
The utility model is by the soft bag 2 of bottom socket in straight tube 1, when graduated cylinder is mentioned to liquid feeding, the volume of liquid is the volume that the volume of bag 2 adds straight tube 1, when getting liquid measure when less, by graduated cylinder, by carry out liquid feeding on table top, now bag 2 just can not fill water, the volume of liquid is exactly the volume of straight tube 1, bag 2 adopts teflon material, has the corrosion resistant effect of acid-fast alkali-proof, can measure most liquid.There is simple, the convenient and practical feature of knot.
The above embodiment has only expressed the application's embodiment, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the application's protection domain.It should be pointed out that for the person of ordinary skill of the art, not departing under the prerequisite of present techniques plan plot, can also make some distortion and improvement, these all belong to the application's protection domain.
Claims (1)
1. the graduated cylinder of a volume-variable, comprise straight tube, it is characterized in that: described straight tube bottom cover has a soft bag, described straight tube is communicated with bag, described bag by neck, upper plate, flexibly connect portion and base plate forms, described bag integral body is teflon material, and upper plate is hard plate with base plate and shape is identical, described in flexibly connect the horizontal section of portion optional position area be not more than the area of base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320769573.1U CN203551027U (en) | 2013-11-30 | 2013-11-30 | Measuring cylinder with variable volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320769573.1U CN203551027U (en) | 2013-11-30 | 2013-11-30 | Measuring cylinder with variable volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203551027U true CN203551027U (en) | 2014-04-16 |
Family
ID=50469125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320769573.1U Withdrawn - After Issue CN203551027U (en) | 2013-11-30 | 2013-11-30 | Measuring cylinder with variable volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203551027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743449A (en) * | 2013-11-30 | 2014-04-23 | 成都新基因格生物科技有限公司 | Measuring cylinder with variable capacity |
-
2013
- 2013-11-30 CN CN201320769573.1U patent/CN203551027U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743449A (en) * | 2013-11-30 | 2014-04-23 | 成都新基因格生物科技有限公司 | Measuring cylinder with variable capacity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20170322 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |