CN206046065U - A kind of precision glass volumetric apparatus - Google Patents
A kind of precision glass volumetric apparatus Download PDFInfo
- Publication number
- CN206046065U CN206046065U CN201620955508.1U CN201620955508U CN206046065U CN 206046065 U CN206046065 U CN 206046065U CN 201620955508 U CN201620955508 U CN 201620955508U CN 206046065 U CN206046065 U CN 206046065U
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- Prior art keywords
- main pipeline
- capillary tube
- measuring section
- main
- volumetric apparatus
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- 239000011521 glass Substances 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 abstract description 19
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000003739 neck Anatomy 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000005337 ground glass Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of precision glass volumetric apparatus, including main bottle body, main bottle body includes base and main pipeline, the lower end of main pipeline is connected with base, main pipeline is provided with graticule, also include the first capillary tube, first capillary tube includes measuring section and linkage section, measuring section is located at main pipeline side, and is set in parallel with main pipeline, and the lower end of measuring section is connected with base, the upper end of measuring section is connected with one end of linkage section, the other end of linkage section is connected with main pipeline, and is had angle with main pipeline shape, and measuring section is provided with fine gauge.This utility model being capable of liquid volume of the accurate tolerance in volumetric apparatus under varying environment state of temperature.
Description
Technical field
This utility model is a kind of precision glass volumetric apparatus, is related to labware field.
Background technology
Glass capacity vessel are the fine instruments to prepare the accurately solution of certain substance withdrawl syndrome.It is a kind of
The flat bottom glass bottle of the elongated necks with ground glass stopper, pyriform, carries scale on its neck.When bottle inner volume is in specified temperature
When being issued at graticule, its volume is indicated volume number, and this is usually the volumetric flask of " measure into ".But also have on its neck
Glass capacity vessel with two graticules, up represent the volume for measuring.Volumetric flask has plurality of specifications, and little has
5ml, 25ml, 50ml and 100ml, big have 250ml, 500ml, 1000ml and 2000ml etc..It is mainly used in direct method preparation
Standard solution and accurate dilutions solution and prepare sample solution.
Glass capacity vessel are currently used in practical operation, the volume of fluid to be measured be with characteristic of expanding with heat and contract with cold,
And the graticule on existing Glass capacity vessel, generally all it is adapted to the used sign in the case of 20 DEG C or so of room temperature.
But in fact the temperature change of working space is than larger, the hot weather of summer and the cold snap in winter can all be significantly affected
The Glass capacity vessel of the volume of liquid in Glass capacity vessel, especially Large Copacity specification, only depending merely on a dial markings is
Accurate tolerance cannot be obtained.
Utility model content
For drawbacks described above present in prior art, the purpose of this utility model is to provide a kind of precision glass Container
Ware, being capable of liquid volume of the accurate tolerance under varying environment state of temperature.
For achieving the above object, this utility model is adopted the following technical scheme that：
A kind of precision glass volumetric apparatus, including main bottle body, main bottle body include base and main pipeline, the lower end of main pipeline with
Base is connected, and main pipeline is provided with graticule, and also including the first capillary tube, the first capillary tube includes measuring section and linkage section, surveys
Amount section is located at main pipeline side, and is set in parallel with main pipeline, and the lower end of measuring section is connected with base, the upper end of measuring section
It is connected with one end of linkage section, the other end of linkage section is connected with main pipeline, and has angle with main pipeline shape, measuring section
It is provided with fine gauge.
Also include the second capillary tube, the second capillary tube is symmetrical set with the first capillary tube, and is connected at main pipeline
Opposite side, is not led to main pipeline inside which.
Described the first capillary tube, it is connected by support and is fixed between the second capillary tube and main pipeline.
Described fine gauge is temperature value scale.
The port inner wall of described main pipeline upper end is frosted inwall.
In above-mentioned technical scheme, this utility model has the advantage that：
This utility model accurate can measure the liquid volume under different temperature condition, solve different temperatures environment bar
Under part, existing Glass capacity vessel only one of which graticule scale is available for a difficult problem for constant volume, reduces quantitative uncertainty.Can
Accurate quantitative analysis of the every profession and trades such as chemical industry, health, environment and water utilities to liquid volume are widely used in, and are particularly suitable for laboratory
Analysis detection.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is front view of the present utility model；
Fig. 3 is the enlarged diagram at a positions in Fig. 2；
Fig. 4 is the enlarged diagram at b positions in Fig. 2；
Fig. 5 is the enlarged diagram at c positions in Fig. 2.
Specific embodiment
The technical solution of the utility model is further illustrated with reference to the accompanying drawings and examples.
With reference to shown in Fig. 1 to Fig. 5, a kind of precision glass volumetric apparatus provided by the utility model, the present embodiment with
As a example by the Glass capacity vessel of 1000ml capacity, related size is also to be arranged with the Glass capacity vessel of 1000ml capacity, root
According to the Glass capacity vessel of different capabilities size, related size is also made to be adapted adjustment setting.Including main bottle body 1, main bottle body 1
Including base 101 and main pipeline 102, the lower end of main pipeline 102 is connected with base 101, and main pipeline 102 is provided with graticule 2, mark
The scale of line 2 is 1000ml, liquid volume scale when being 20 DEG C of room temperature, above-mentioned for prior art part, and here is just no longer gone to live in the household of one's in-laws on getting married
State.Unlike the prior art, also including the first capillary tube 3, the outer diameter D of the first capillary tube 3 is set to 5mm, and internal diameter d is arranged
For 3mm, the first capillary tube 3 includes measuring section 301 and linkage section 302, and measuring section 301 is located at 102 side of main pipeline, and with supervisor
Road 102 is set in parallel, and the lower end of measuring section 301 is connected with base 101, the upper end of measuring section 301 and the one of linkage section 302
End is connected, and the other end of linkage section 302 is connected with main pipeline 102, and with 102 shape of main pipeline x1 in an angle, angle
The angle of x1 is set to 50 °, and measuring section 301 is provided with fine gauge 301a, and different class are indicated beside fine gauge 301a
Temperature value (- 45 DEG C of 0-5-10- ...), and the scale of the constant volume liquid corresponding with each grade of temperature value, temperature value is per 5
DEG C it is a rough segmentation degree, in a rough segmentation degree, has a subdivision degree of 5 deciles, it is fixed under real time temperature that fine gauge 301a is corresponding
Hold the position that the liquid level of liquid should be located, such that it is able to the liquid needed for accurate constant volume.
Preferably, also including the second capillary tube 4, the second capillary tube 4 is consistent with 3 profile of the first capillary tube, and with first mao
Tubule 3 is symmetrical set, and is connected at the opposite side of main pipeline 102, also shape between the upper end of the second capillary tube 4 and main pipeline
The angle of x2 in an angle, angle x2 is also 50 °, internal between the second capillary tube 4 and main bottle body 1 not connect, and is primarily served
The overall balanced action of volumetric apparatus of the present utility model, prevents volumetric apparatus toward inclining, can also work as handle use.Separately
Outward, by the phase between the central axis of the first capillary tube 3, the central axis of the second capillary tube 4 and the central axis of main pipeline 102
40mm is set to away from apart from b1, b2.
Preferably, the first described capillary tube 3, be connected by support 5 between the second capillary tube 4 and main pipeline 102,
Frame 5 prevents the first capillary tube 3 and the second capillary tube 4 from rupturing to fix the first capillary tube 3 and the second capillary tube 4.
Preferably, the port inner wall of described 102 upper end of main pipeline is frosted inwall, the height h of frosted inwall is 20mm,
To support the use with ground glass stopper or plastic plug, prevent the liquid in volumetric apparatus from flowing out.
Volumetric apparatus of the present utility model is that the liquid level change using liquid in the first capillary tube 3 is significantly greater than led
Liquid level change in pipeline 102, so as to the volume for more accurately determining constant volume liquid under Current Temperatures.When ambient temperature rises
When, due to the principle expanded with heat and contract with cold, liquid volume is expanded the volume of liquid, and the first capillary tube 3 is thinner due to its internal diameter d,
Liquid-column height is raised substantially, according to the constant volume liquid volume under the clear and definite Current Temperatures of fine gauge 301a on the first capillary tube 3；
Equally, when ambient temperature declines, the fluid column in the first capillary tube 3 declines substantially, and according to trickle on the first capillary tube 3
Constant volume liquid volume under the clear and definite Current Temperatures of scale 301a.
Those of ordinary skill in the art is it should be appreciated that the embodiment of the above is intended merely to illustrate that this practicality is new
Type, and be not used as be to restriction of the present utility model, if in spirit of the present utility model, to the above
The change of embodiment, modification will all fall in Claims scope of the present utility model.
Claims (5)
1. a kind of precision glass volumetric apparatus, including main bottle body, main bottle body include base and main pipeline, the lower end and bottom of main pipeline
Seat be connected, main pipeline is provided with graticule, it is characterised in that also including the first capillary tube, the first capillary tube include measuring section and
Linkage section, measuring section are located at main pipeline side, and are set in parallel with main pipeline, and the lower end of measuring section is connected with base, survey
The upper end of amount section is connected with one end of linkage section, and the other end of linkage section is connected with main pipeline, and forms one with main pipeline
Angle, measuring section are provided with fine gauge.
2. a kind of precision glass volumetric apparatus as claimed in claim 1, it is characterised in that also including the second capillary tube, second
Capillary tube is symmetrical set with the first capillary tube, and is connected at the opposite side of main pipeline, is not led to main pipeline inside which.
3. a kind of precision glass volumetric apparatus as claimed in claim 2, it is characterised in that described the first capillary tube, second
It is connected by support and is fixed between capillary tube and main pipeline.
4. a kind of precision glass volumetric apparatus as claimed in claim 1, it is characterised in that described fine gauge is temperature value
Scale.
5. a kind of precision glass volumetric apparatus as claimed in claim 1, it is characterised in that the port of described main pipeline upper end
Inwall is frosted inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620955508.1U CN206046065U (en) | 2016-08-26 | 2016-08-26 | A kind of precision glass volumetric apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620955508.1U CN206046065U (en) | 2016-08-26 | 2016-08-26 | A kind of precision glass volumetric apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206046065U true CN206046065U (en) | 2017-03-29 |
Family
ID=58381900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620955508.1U Expired - Fee Related CN206046065U (en) | 2016-08-26 | 2016-08-26 | A kind of precision glass volumetric apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206046065U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774346A (en) * | 2016-08-26 | 2018-03-09 | 上海市嘉定区疾病预防控制中心 | A kind of precision glass volumetric apparatus |
| CN108562345A (en) * | 2018-04-11 | 2018-09-21 | 佛山科学技术学院 | A kind of device of accurate measuring trace quantity liquid |
-
2016
- 2016-08-26 CN CN201620955508.1U patent/CN206046065U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774346A (en) * | 2016-08-26 | 2018-03-09 | 上海市嘉定区疾病预防控制中心 | A kind of precision glass volumetric apparatus |
| CN108562345A (en) * | 2018-04-11 | 2018-09-21 | 佛山科学技术学院 | A kind of device of accurate measuring trace quantity liquid |
| CN108562345B (en) * | 2018-04-11 | 2024-01-30 | 佛山科学技术学院 | Device for accurately measuring trace liquid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |