CN203720162U - Novel burette - Google Patents
Novel burette Download PDFInfo
- Publication number
- CN203720162U CN203720162U CN201420095859.0U CN201420095859U CN203720162U CN 203720162 U CN203720162 U CN 203720162U CN 201420095859 U CN201420095859 U CN 201420095859U CN 203720162 U CN203720162 U CN 203720162U
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- CN
- China
- Prior art keywords
- titration
- burette
- shaped
- valve
- buret
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- Expired - Fee Related
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model relates to a chemical experiment instrument, and particularly relates to a novel burette. The novel burette is in a U shape; the left side of the U-shaped burette is provided with a liquid filling tube, and the right side of the U-shaped burette is provided with a graded tube; the upper end of the liquid filling tube is open, the open position is in a funnel shape, and the lower end of a funnel-shaped opening is provided with a liquid inlet valve; the lower end of the U-shaped burette is provided with a liquid outlet valve; the upper end of the graded tube is closed, and the lower end of the graded tube vertically extends downwards to form a titration part; the initiating end of the titration part is provided with a titration valve, and the tail end of the titration part is provided with a titration head; the titration head is in threaded connection with the tail end of the titration part. The novel burette disclosed by the utility model has the advantages of simple structure, convenience for use, difficulty in damage and low cost, is easy to exhaust during operation, prevents the titration accuracy from being influenced because the bubbles are generated in the burette during an experiment, achieves the convenience for a liquid injection process and saves the titration time.
Description
Technical field
The utility model relates to chemical experimental instrument, particularly a kind of burette.
Background technology
Buret (burette) is divided into base buret and acid buret.The former is for measuring the liquid reagent that glass tube is had to erosion action; The latter is for measuring the liquid that rubber is had to erosion action.Buret capacity is generally 50mL, and each large lattice of scale are 1mL, and each large lattice is divided into again 10 little lattice, therefore each little lattice is 0.1mL.Degree of accuracy is one of percentage.Can be accurate to 0.01ml. buret is an elongated tubular container, and one end has plug switch, has graduation indication and measure on it.General less at the scale reading on top, larger by the reading of bottom.
Utility model content
The utility model, for defect and the deficiency of prior art, provides a kind of burette.
The technical solution of the utility model is:
A kind of burette, described buret is U-shaped, and the left side of U-shaped buret is that pouring pipe, right side are graduated tube; The upper end open of described pouring pipe, opening part is funnel-form, the lower end of choana arranges liquid feed valve; The lower end of described U-shaped buret arranges liquid valve; Upper end closed, the lower end of described graduated tube extend to form titration portion downward vertically, and the initiating terminal of described titration portion arranges titration valve; The end of described titration portion arranges titrating head; Described titrating head is connected with the end thread of described titration portion; The sidepiece of described titration portion arranges arm; Between described arm and titration portion, operation valve is set; Horizontal direction communicating pipe is set between described pouring pipe and graduated tube, is positioned at the top of buret described communicating pipe and is positioned at the bottom of liquid feed valve, longitudinal scale is set on described graduated tube; The initiating terminal of described scale and level to arrange communicating pipe inside bottom in the same horizontal line.
The beneficial effects of the utility model are:
Simple in structure, easy to use, not fragile, with low cost; Easily exhaust in operation, avoids in buret, producing bubble in experiment, affects titration accuracy; Fluid injection process is convenient, has saved titration time.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model.
Embodiment
In order further to understand structure of the present utility model, feature and other object, be now described in detail as follows in conjunction with appended preferred embodiment, illustrated preferred embodiment is only for the technical solution of the utility model is described, and non-limiting the utility model.
Embodiment of the present utility model is as follows: as shown in Figure 1,
A kind of burette, described buret is U-shaped, and the left side of U-shaped buret is that pouring pipe 1, right side are graduated tube 2; The upper end open of described pouring pipe 1, opening part is funnel-form, the lower end of choana arranges liquid feed valve 3; The lower end of described U-shaped buret arranges liquid valve 5; Upper end closed, the lower end of described graduated tube 2 extend to form titration portion 10 downward vertically, and the initiating terminal of described titration portion 10 arranges titration valve 6; The end of described titration portion 10 arranges titrating head 7; Described titrating head 7 is connected with the end thread of described titration portion 10; The sidepiece of described titration portion 10 arranges arm 9; Between described arm 9 and titration portion 10, operation valve 8 is set; Between described pouring pipe 1 and graduated tube 2, be set horizontal direction communicating pipe 4, described communicating pipe 4 be positioned at the top of buret and be positioned at the bottom of liquid feed valve 3, on described graduated tube 2, longitudinal scale 11 is set; The initiating terminal of described scale 11 and level to arrange communicating pipe 4 inside bottom in the same horizontal line.
When use, vs pours into from funnelform opening part, open liquid feed valve 3, liquid enters pouring pipe 1, opens liquid valve 5, and liquid enters graduated tube 2, in the time that liquid reaches the initiating terminal of scale 11, close liquid valve 5, if solution exceeds 0 scale of initiating terminal because of carelessness, the liquid exceeding can be by entering in pouring pipe 1 communicating pipe 4; Then open titration valve 6 titratable, if having bubble in graduated tube 2, can open operation valve 8, make bubble pass through arm 9 and discharge.Titrating head 7 is connected with the end thread of described titration portion 10, can select the openings of sizes of titrating head 7 as required, and easily clean.
Claims (1)
1. a burette, is characterized in that described buret is U-shaped, and the left side of U-shaped buret is that pouring pipe (1), right side are graduated tube (2); The upper end open of described pouring pipe (1), opening part is funnel-form, the lower end of choana arranges liquid feed valve (3); The lower end of described U-shaped buret arranges liquid valve (5); The upper end closed of described graduated tube (2), lower end extend to form titration portion (10) downward vertically, and the initiating terminal of described titration portion (10) arranges titration valve (6); The end of described titration portion (10) arranges titrating head (7); Described titrating head (7) is connected with the end thread of described titration portion (10); The sidepiece of described titration portion (10) arranges arm (9); Between described arm (9) and titration portion (10), operation valve (8) is set; Between described pouring pipe (1) and graduated tube (2), be set horizontal direction communicating pipe (4), described communicating pipe (4) be positioned at the top of buret and be positioned at the bottom of liquid feed valve (3), longitudinal scale (11) is set on described graduated tube (2); The initiating terminal of described scale (11) and level to arrange communicating pipe (4) inside bottom in the same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095859.0U CN203720162U (en) | 2014-03-04 | 2014-03-04 | Novel burette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095859.0U CN203720162U (en) | 2014-03-04 | 2014-03-04 | Novel burette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720162U true CN203720162U (en) | 2014-07-16 |
Family
ID=51159302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420095859.0U Expired - Fee Related CN203720162U (en) | 2014-03-04 | 2014-03-04 | Novel burette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109536373A (en) * | 2018-11-27 | 2019-03-29 | 南京先进激光技术研究院 | A kind of Automatic-exhausting pickle reagent reaction tube |
-
2014
- 2014-03-04 CN CN201420095859.0U patent/CN203720162U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109536373A (en) * | 2018-11-27 | 2019-03-29 | 南京先进激光技术研究院 | A kind of Automatic-exhausting pickle reagent reaction tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20150304 |
|
| EXPY | Termination of patent right or utility model |