CN202693377U - Dewatering and collecting test device easy to perform laboratory sample analysis - Google Patents
Dewatering and collecting test device easy to perform laboratory sample analysis Download PDFInfo
- Publication number
- CN202693377U CN202693377U CN 201220311189 CN201220311189U CN202693377U CN 202693377 U CN202693377 U CN 202693377U CN 201220311189 CN201220311189 CN 201220311189 CN 201220311189 U CN201220311189 U CN 201220311189U CN 202693377 U CN202693377 U CN 202693377U
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- cylindrical cavity
- seal
- pallet
- circular cylindrical
- seal diaphragm
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Abstract
The utility model relates to a dewatering and collecting test device easy to perform laboratory sample analysis. The device comprises a cylindrical cavity, a tray component, a seal partition board and a vacuum pump, wherein the tray component and the seal partition board are located in the cylindrical cavity, a seal cover is arranged at the top of the cylindrical cavity, the seal partition board and the seal cover form a seal cavity, the tray component comprises a tray and a lift control part, the bottom of the lift control part is fixed at the bottom of the cylindrical cavity, a lifting device of the lift control part penetrates through the seal partition board to be fixedly connected with the tray, a seal ring is arranged at the combined position between the lifting device and the seal partition board, a vacuum exhaust tube of the vacuum pump enters into the cylindrical cavity below the seal partition board to penetrate through the seal partition board, sample bottle placing holes are uniformly distributed on the tray, filter column placing holes which are in one-to-one correspondence to the sample bottle placing holes in the tray are mounted on the seal cover, and a seal plug or a filter column is matched with the filter column placing holes.
Description
Technical field
The utility model relates to the test unit of analyzing for laboratory sample, especially a kind of test unit that dewaters and collect during for sample analysis.
Background technology
Tend to run into liquid-liquid extraction in chemical analysis work, the organic reagent after the extraction contains moisture, and the analysis that affects instrument is measured, and especially affects the medicine gasification in agricultural chemicals, fatty acid analysis, brings error to analytical work.The moisture of removing in the organic solution to be analyzed is used the triangular funnel of placing absorbent cotton usually, anhydrous sodium sulfate or other suction reagent are placed on the absorbent cotton, by the gravity drippage, not only consuming time, and can cause the volatilization loss of easy volatile solvent, cause the change of measuring solution concentration, each sample size of processing is also limited simultaneously, is not suitable for mass disposal.Moreover absorbent cotton comes off easily during operation, and the reagent that causes absorbing water enters receiving flask, causes the moisture removal failure.Moreover the solution to be analyzed in the receiving flask need to be transferred in the loading bottle of instrumental analysis special use again, increases treatment step and consumptive material consumption.
The utility model content
The purpose of this utility model is: during for present chemical analysis in the liquid-liquid extraction organic solvent moisture remove and solution to be analyzed is consuming time when collecting, can not mass disposal and the carrier practical problems that comes off and cause moisture removal failure and solvent evaporates to be lost, a kind of dewatering and collecting test unit of laboratory sample analysis that be easy to is provided.
The purpose of this utility model is achieved in that a kind of dewatering and collecting test unit of laboratory sample analysis that be easy to, and it is characterized in that: formed by circular cylindrical cavity, pallet component, seal diaphragm and vacuum pump, wherein:
A) pallet component and seal diaphragm are arranged in circular cylindrical cavity, and seal diaphragm is fixedly connected with the circular cylindrical cavity inner wall sealing, and the circular cylindrical cavity top is gland bonnet, forms annular seal space between seal diaphragm and the gland bonnet;
B) pallet component comprises pallet and lifting control, seal diaphragm is positioned at the below of pallet, the bottom of circular cylindrical cavity is fixed in the bottom of lifting control, the jacking gear of lifting control is fixedly connected with pallet after passing through seal diaphragm, jacking gear and seal diaphragm joint portion are provided with O-ring seal, and the apparatus for controlling of lifting of lifting control is arranged in the chamber of seal diaphragm bottom;
C) vacuum exhaust pipe of vacuum pump passes through seal diaphragm after entering chamber by the circular cylindrical cavity of seal diaphragm bottom again;
D) pallet is provided with equally distributed sample bottle putting hole, gland bonnet be provided with pallet in the sample bottle putting hole filter one to one the post putting hole, be furnished with on the described filter post putting hole sealing-plug or the filter post.
In the utility model: described jacking gear is comprised of tooth bar, lifting column, jacking sleeve, firm banking, the lifting column bottom is fixedly connected with the circular cylindrical cavity bottom by firm banking, jacking sleeve is set on the lifting column, tooth bar is located at the outer wall of jacking sleeve, and jacking sleeve top is connected with pallet; Described apparatus for controlling of lifting is comprised of gear, fixed support and drive link, and drive link is by the fixed support positioning supports, and the one end is provided with gear, and the other end stretches out circular cylindrical cavity, and the drive link end of stretching out circular cylindrical cavity is provided with knob; Described gear and the engagement of described tooth bar.
In the utility model: described jacking sleeve top is connected with tray bottom central authorities by brace.
In the utility model: filter is provided with sieve plate in the post, and the filter column bottom also is provided with drainage tube, and sieve plate is positioned at the filter column bottom, and covers and the drainage tube port of filtering the column bottom and crossing.
In the utility model: the material of described circular cylindrical cavity is transparent tempered glass or plastics; Gland bonnet and pallet adopt polytetrafluoroethylmaterial material to make.
The utility model has the advantage of: owing to be provided with vaccum-pumping equipment in the device, can accelerate the Negotiation speed of solution, can effectively prevent the reagent volatilization that volatility is very strong; Owing to be provided with the passage of a plurality of placement filter plants in the device, be suitable for the batch processing of laboratory sample, and the sieve plate in the long-neck filter post solution smoothly by in be conducive to keep absorbent cotton not come off; Owing to be provided with the pallet of placing instrument loading bottles such as being used for liquid phase, gas phase, liquid matter, makings and the lifting control that the loading bottle is docked with long-neck filter post lower end sharp-crested in the device, dewatering and collecting in the time of to make things convenient for sample analysis.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the decomposing schematic representation of pallet component among Fig. 1.
Fig. 3 is the structural representation of filtration unit.
Among the figure: 1, the filter road of O-ring seal is arranged, 2, gland bonnet, 3, circular cylindrical cavity, 4, the sample bottle putting hole, 5, lifting column, 6, fixed muffle, 7, firm banking, 8, locating groove, 9, pallet, 10, gear, 11, drive link, 12, tooth bar, 13, knob, 14, fixed support, 15, vacuum meter, 16, vacuum exhaust pipe, 17, brace, 18, the filter post, 19, sieve plate, 20, vacuum pump, 21, sealing-plug, 22, O-ring seal, 23, seal diaphragm, 24, drainage tube.
Embodiment
Accompanying drawing discloses the concrete structure of an embodiment of the present utility model without limitation, below in conjunction with accompanying drawing the utility model is further described.
As seen from Figure 1, the utility model is comprised of circular cylindrical cavity 3, pallet component, seal diaphragm 23 and vacuum pump 20, wherein:
Pallet component and seal diaphragm 23 are arranged in circular cylindrical cavity 3, and seal diaphragm 23 is fixedly connected with circular cylindrical cavity 3 inner wall sealings, and circular cylindrical cavity 3 tops are gland bonnet 2, form annular seal space between seal diaphragm 23 and the gland bonnet 2.
Pallet component comprises pallet 9 and lifting control, seal diaphragm 23 is positioned at the below of pallet 9, the bottom of circular cylindrical cavity 3 is fixed in the bottom of lifting control, the jacking gear of lifting control is fixedly connected with pallet 9 after passing through seal diaphragm 23, jacking gear and seal diaphragm 23 joint portions are provided with O-ring seal 22, and the apparatus for controlling of lifting of lifting control is arranged in the chamber of seal diaphragm 23 bottoms;
The vacuum exhaust pipe 16 of vacuum pump 20 passes through seal diaphragm 23 after entering chamber by the circular cylindrical cavity 3 of seal diaphragm 23 bottoms again; Also be provided with vacuum meter 15 in the vacuum exhaust pipe 16.
Pallet 9 is provided with equally distributed sample bottle putting hole 4, gland bonnet 2 be provided with pallet 9 in sample bottle putting hole 4 filter one to one post putting hole 1, be furnished with on the described filter post putting hole 1 sealing-plug 21 or the filter post.
For the ease of operation, the material of circular cylindrical cavity 3 should be selected transparent tempered glass or plastics.
As seen from Figure 2, in the present embodiment: described jacking gear is comprised of tooth bar 12, lifting column 5, jacking sleeve 6, firm banking 7, lifting column 5 bottoms are fixedly connected with circular cylindrical cavity 3 bottoms by firm banking 7, jacking sleeve 6 is set on the lifting column 5, tooth bar 12 is located at the outer wall of jacking sleeve 6, and jacking sleeve 6 tops are fixedly connected with pallet 9 central authorities by brace 17; Described apparatus for controlling of lifting is comprised of gear 10, fixed support 14 and drive link 11, and drive link 11 is by fixed support 14 positioning supports, and the one end is provided with gear 10, and the other end stretches out circular cylindrical cavity 3, and drive link 11 ends of stretching out cylindrical cavity are provided with knob 13; Described gear 10 and described tooth bar 12 engagements.
As seen from Figure 3, filter is provided with sieve plate 19 in the post 18, and filter post 18 bottoms also are provided with drainage tube 24, and sieve plate 19 is positioned at filter post 18 bottoms, and covers and drainage tube 24 ports of filtering post 18 bottoms and crossing.
During implementation, the wall thickness of circular cylindrical cavity 3 is 7mm, highly is 200mm; The bead junction of described top cover 2 peripheries and circular cylindrical cavity 3 arranges reinforced stock sealing strip and locating groove 8 man-hour adding, and the reinforced stock sealing strip can be at reinforced seal under the negative pressure during use; Gland bonnet 2 and pallet 9 adopt polytetrafluoroethylmaterial material to make; The height of filter post 18 is 40mm, and diameter is 15mm, and the high 50mm diameter of drainage tube 24 is 4mm, and sieve plate 19 adopts the porous polypropylene material to make.
Before the utility model uses, the reagent that will absorb water is first packed in the filter post 18 that contains sieve plate 19, the liquid level of suction reagent is higher than sieve plate 10-15mm, then will filter in the filter post putting hole 1 of post 18 insert-seals lid 2, filter post putting hole 1 usefulness sealing-plug 21 sealings that are not used, and in pallet 9, place sample bottle in the sample bottle putting hole 4 corresponding with filter post putting hole 1, then will be inserted with the gland bonnet 2 of filter post 18 by locating groove 8 fixed positions, by rotation knob 13, by gear 10 band carry-over bars 12, the jacking sleeve 6 that realize to connect tooth bar 12 rises or descends, and observes by transparent circular cylindrical cavity 3, when filter post 18 lower end drainage tubes 24 sharp-cresteds enter sample bottle and otch when concordant with the sample bottleneck, stop rising or the decline of pallet 9, then add test solution to be dewatered in filter post 18 upper ends, open vacuum pump, collect the solution after dewatering.After collection finishes, rotate knob 13, pallet 9 is descended, after the negative pressure in depressurization chamber, opening encapsulation lid 2 takes off sample bottle, for instrumental analysis, uses instrumental analysis after perhaps solution further being concentrated again.
After the reagent that dewaters of filter in the post 18 removes, clean filter post 18 and sieve plate 19 with organic reagent, perhaps change the test that can continue next batch behind the sieve plate 19.
Claims (5)
1. one kind is easy to dewatering and collecting test unit of laboratory sample analysis, it is characterized in that: formed by circular cylindrical cavity, pallet component, seal diaphragm and vacuum pump, wherein:
A) pallet component and seal diaphragm are arranged in circular cylindrical cavity, and seal diaphragm is fixedly connected with the circular cylindrical cavity inner wall sealing, and the circular cylindrical cavity top is gland bonnet, forms annular seal space between seal diaphragm and the gland bonnet;
B) pallet component comprises pallet and lifting control, seal diaphragm is positioned at the below of pallet, the bottom of circular cylindrical cavity is fixed in the bottom of lifting control, the jacking gear of lifting control is fixedly connected with pallet after passing through seal diaphragm, jacking gear and seal diaphragm joint portion are provided with O-ring seal, and the apparatus for controlling of lifting of lifting control is arranged in the chamber of seal diaphragm bottom;
C) vacuum exhaust pipe of vacuum pump passes through seal diaphragm after entering chamber by the circular cylindrical cavity of seal diaphragm bottom again;
D) pallet is provided with equally distributed sample bottle putting hole, gland bonnet be provided with pallet in the sample bottle putting hole filter one to one the post putting hole, be furnished with on the described filter post putting hole sealing-plug or the filter post.
2. according to claim 1ly be easy to dewatering and collecting test unit of laboratory sample analysis, it is characterized in that: described jacking gear is comprised of tooth bar, lifting column, jacking sleeve, firm banking, the lifting column bottom is fixedly connected with the circular cylindrical cavity bottom by firm banking, jacking sleeve is set on the lifting column, tooth bar is located at the outer wall of jacking sleeve, and jacking sleeve top is connected with pallet; Described apparatus for controlling of lifting is comprised of gear, fixed support and drive link, and drive link is by the fixed support positioning supports, and the one end is provided with gear, and the other end stretches out circular cylindrical cavity, and the drive link end of stretching out circular cylindrical cavity is provided with knob; Described gear and the engagement of described tooth bar.
3. according to claim 2ly be easy to dewatering and collecting test unit of laboratory sample analysis, it is characterized in that: described jacking sleeve top is connected by brace and tray bottom central authorities.
4. according to claim 1ly be easy to dewatering and collecting test unit of laboratory sample analysis, it is characterized in that: be provided with sieve plate in the filter post, the filter column bottom also is provided with drainage tube, and sieve plate is positioned at the filter column bottom, and covers and the drainage tube port of filtering the column bottom and crossing.
5. one of according to claim 1 ~ 4 describedly be easy to dewatering and collecting test unit of laboratory sample analysis, it is characterized in that: the material of described circular cylindrical cavity is transparent tempered glass or plastics; Gland bonnet and pallet adopt polytetrafluoroethylmaterial material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220311189 CN202693377U (en) | 2012-06-29 | 2012-06-29 | Dewatering and collecting test device easy to perform laboratory sample analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220311189 CN202693377U (en) | 2012-06-29 | 2012-06-29 | Dewatering and collecting test device easy to perform laboratory sample analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693377U true CN202693377U (en) | 2013-01-23 |
Family
ID=47548981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220311189 Withdrawn - After Issue CN202693377U (en) | 2012-06-29 | 2012-06-29 | Dewatering and collecting test device easy to perform laboratory sample analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693377U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735521A (en) * | 2012-06-29 | 2012-10-17 | 中国科学院南京地理与湖泊研究所 | De-watering and collecting tester facilitating laboratory sample analysis |
| CN103604665A (en) * | 2013-11-29 | 2014-02-26 | 中国环境科学研究院 | On-site collection-enrichment integrated device of trace amount of organic pollutants in underground water |
-
2012
- 2012-06-29 CN CN 201220311189 patent/CN202693377U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735521A (en) * | 2012-06-29 | 2012-10-17 | 中国科学院南京地理与湖泊研究所 | De-watering and collecting tester facilitating laboratory sample analysis |
| CN102735521B (en) * | 2012-06-29 | 2014-08-06 | 中国科学院南京地理与湖泊研究所 | De-watering and collecting tester facilitating laboratory sample analysis |
| CN103604665A (en) * | 2013-11-29 | 2014-02-26 | 中国环境科学研究院 | On-site collection-enrichment integrated device of trace amount of organic pollutants in underground water |
| CN103604665B (en) * | 2013-11-29 | 2016-05-11 | 中国环境科学研究院 | Collection in worksite-enrichment integrated apparatus of trace Organic Contamination of Groundwater thing |
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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: 20130123 Effective date of abandoning: 20140806 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20140806 |
|
| RGAV | Abandon patent right to avoid regrant |