CN2799040Y - Multifunctional combined pumping and filtering device - Google Patents
Multifunctional combined pumping and filtering device Download PDFInfo
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- CN2799040Y CN2799040Y CN 200520030292 CN200520030292U CN2799040Y CN 2799040 Y CN2799040 Y CN 2799040Y CN 200520030292 CN200520030292 CN 200520030292 CN 200520030292 U CN200520030292 U CN 200520030292U CN 2799040 Y CN2799040 Y CN 2799040Y
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- suction filtration
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Abstract
The utility model relates to a pumping and filtering device, particularly a multifunctional combined type pumping and filtering device which comprises a sample bottle before filtration, a fritted glass funnel and a sample receiving bottle after filtration, wherein a tapered standard grinding port at the lower end of the fritted glass funnel is sealed and matched with the inner wall of an upper bottle port of the sample receiving bottle after filtration; a grinding port of the upper end surface is sealed and matched with the end face of a lower bottle port of the sample bottle before filtration; the lower part of a neck tube of the fritted glass funnel extends into the sample receiving bottle after filtration. An extraction tube is arranged on the side wall of the fritted glass funnel; the sample receiving bottle after filtration is combined type, and is composed of a bottom body at the upper part and a bottom at the lower part, wherein a sealed pad is arranged on the contact face of the bottle body and the movable bottom for ensuring the vacuum degree in the receiving bottle. The utility model reduces the loss quantity of samples, and has high measuring precision. In addition, the multifunctional combined type pumping and filtering device prevents samples from being polluted and the sample from polluting air, and protects operators' good health. A plurality of pumping and filtering devices can be connected in series to the same vacuum-pumping device for reducing running cost.
Description
One. technical field: the utility model relates to a kind of suction filtration device, particularly relates to a kind of multifunction combined suction filtration device.
Two. background technology: well-known, in chemical industry, medicine, Bioexperiment and other scientific experiments, usually need suction filtration impurity, the suction filtration device that uses is made up of the preceding sample bottle of filter, special glass sand hourglass and filter back sample reception bottle at present, is commonly called as solvent filter.Be provided with bleeding point on special glass sand hourglass, utilize vavuum pump constantly to deflate from receiving bottle, utilize negative pressure principle to improve the rate of filtration of liquid, this suction filtration device is fit to the filtration of solvent, but is not suitable for the pre-treatment of sample.If be used for sample pre-treatments, just need to buy a large amount of complete set of equipments, not only strengthen experimentation cost, and caused the mutual pollution of sample room easily.Moreover, no matter how are the shape of receiving flask and size, all be earlier directly liquid filtering in receiving flask, and then be transferred in other containers, in the transfer process of liquid, will cause some losses, the number of times of transposition is many more, loss amount is big more, when carrying out the few again scientific experiment of some required precision height, sample size, tends to because these are former thereby influence experimental result.Behind this external each transposition sample, all will scrub a whole set of filter, one strengthens labor intensity of operating staff, has strengthened the possibility of mutual cross pollution in addition.Development of modern science and technology makes trace even trace analysis become the main trend of analysis, so require the amount of sample loss in the pre-treatment process few more good more.In addition, because sample bottle is uncovered structure before the filter, for volatile samples, the sample loss amount has a strong impact on quantitative accuracy more greatly; When the toxic volatile sample was carried out suction filtration, the toxic gas of its volatilization not only may cause serious environmental to pollute, and also can bring very big harm to health of operators.
Three. the content of utility model:
The purpose of this utility model: overcome the defective of prior art, a kind of reduction sample loss amount, simple in structure, lower-cost multifunction combined suction filtration device are provided.
The technical solution of the utility model:
The technical solution of the utility model: a kind of multifunction combined suction filtration device, contain the preceding sample bottle of filter, glass sand hourglass and filter back sample reception bottle, wherein the taper standard ground of glass sand hourglass lower end cooperates with the last bottleneck inner wall sealing of filter back sample reception bottle, its upper surface ground cooperates with the following bottleneck end face seal of the preceding sample bottle of filter, the neck tube bottom of glass sand hourglass reaches in the sample receiving flask of filter back, on the glass sand hourglass sidewall, be provided with exhaust tube, filter back sample receiving flask is a combined type, by forming at the movable bottle of top body and the bottom end, on the body and the contact-making surface at the movable bottle end, be provided with sealing gasket, to guarantee the vacuum in the receiving flask.
Sample bottle upper end bottleneck is provided with bottle cap before the described filter, before this bottle cap and the filter between the sample bottle for being sealed and matched, and be provided with connection atmosphere mechanism.
Described connection atmosphere mechanism is made up of passage and air channel, wherein passage is located on the preceding sample bottle of filter, air channel is located on the bottle cap, rotates bottle cap and can make air channel and passage be communicated with or not be communicated with, and makes air correspondingly be communicated with or not to be communicated with the sample bottle inner chamber.
Described connection atmosphere mechanism also can be passage, and this passage is located at before bottle cap or the filter on the sample bottle, and air can be communicated with sample bottle inner chamber before the filter.
The sample bottle upper end also can be the closed bottle end before the described filter, is provided with communicating pipe at this closed bottle on end, described communicating pipe one end is communicated with sample bottle before the filter, the other end is communicated with the sample storing bottle, and sample is filtered in the preceding sample bottle by entering communicating pipe.The sample bottle upper end also can be the open type bottleneck before the described filter.
The exhaust tube that is provided with on glass sand hourglass is one or two, wherein two exhaust tubes lay respectively on the corresponding two side of glass sand hourglass, and described two exhaust tubes shift to install, between its two axial lines certain spacing is arranged, two exhaust tubes are connected in series on the same air-extractor adjacent glass sand hourglass; The body or the movable bottle end, are provided with fixedly glass nail, make body relative firm with the bottle end, and perhaps body and bottle are provided with locating piece at the end, make the two firm relatively.
The neck tube length of described glass sand hourglass is 160～180mm, and the spacing between the axis of two exhaust tubes is 1～8mm, and fixedly glass nail or locating piece are three, are uniformly distributed along the circumference.
The beneficial effects of the utility model:
1. the utility model reduces the loss amount of sample greatly, its certainty of measurement height.Because filter back sample receiving flask is a combined type, characteristics according to each duplicate samples, can place dissimilar small sample receiving vessels at movable bottle at the end, sample is flowed directly in the small sample receiving vessel along the funnel neck tube, be directly used in measurement, reduce the number of turnover of sample, thereby reduce the loss amount of sample; The sample bottle upper port is provided with bottle cap before the filter in addition, can reduce the volatile quantity of volatile samples, and prevent that sample is contaminated, therefore can improve accuracy of measurement.
2. the utility model is reasonable in design, simple in structure, fixedly glass nail or locating piece relative fixed are passed through in the body and the movable bottle end, simple in structure, and the stability that can keep the two, be provided with passage and air channel between the sample Bottle and bottle cap before the filter, make air be communicated with or not to be communicated with storing bottle, reasonable in design.
3. the utility model is reduced expenses, is reduced cost, adopt combined type filter back sample receiving flask, can be according to the kind and the quantity of different samples, choose corresponding small sample receiving vessel and put into movable bottle at the end, use very convenient, do not need to buy a large amount of complexes, therefore saved expense; Glass sand hourglass is provided with two exhaust tubes in addition, a plurality of suction filtration devices are connected in series on the vaccum-pumping equipment, thereby the quantity of having saved vaccum-pumping equipment has correspondingly reduced operating cost.
4. the utility model scope of application is wide, is not only applicable to the filtration of various analytical test solvents, also is applicable to the filtration of chromatography sample pre-treatments filtration, purification and other analytic sample solution after the popularization, to have favorable economic benefit.
Four. description of drawings:
Fig. 1 is one of multifunction combined suction filtration structure drawing of device;
Fig. 2 is two of a multifunction combined suction filtration structure drawing of device.
Five. the specific embodiment:
Embodiment one: referring to Fig. 1, among the figure, the taper standard ground of glass sand hourglass 5 lower ends of multifunction combined suction filtration device cooperates with the last bottleneck inner wall sealing of filter back sample reception bottle, its upper surface ground cooperates with the following bottleneck end face seal of the preceding sample bottle 1 of filter, neck tube 7 bottoms of glass sand hourglass 5 reach in the sample reception bottle of filter back, on glass sand hourglass 5 two sides, be respectively equipped with exhaust tube 6 and 12, filter back sample receiving flask is a combined type, by forming at the movable bottle of top body 8 and the bottom end 9, on the body 8 and the contact-making surface at the movable bottle end 9, be provided with sealing gasket 11, to guarantee the vacuum in the receiving flask, body 8 and bottle are provided with locating piece 10 at the end 9, make the two firm relatively.
Two exhaust tubes 6 and 12 shift to install, and the spacing between its axis is 1～8mm, and neck tube 7 length of glass sand hourglass 5 are 160～180mm, and locating piece 10 is three, is uniformly distributed along the circumference.
During use, kind and quantity according to different samples, choose corresponding conical flask or test tube (not drawing among the figure) and put into movable bottle at the end 9, insert in conical flask or the test tube lower end of neck tube 7, prevent the sample splash, the sample of before filter, packing in the sample bottle 1, filter, air-extractor makes by exhaust tube 6 or 12 and forms negative pressure in the bottle, quickens the filtration of sample, when filtering different samples, only need to change conical flask or test tube and glass sand hourglass 5 and get final product, very convenient, a plurality of suction filtration devices are connected in series on the same air-extractor by two exhaust tubes 6 and 12, save the quantity of air-extractor, reduce cost.
Embodiment two: present embodiment and embodiment one are basic identical, and something in common does not repeat, and difference is: sample bottle 1 upper end bottleneck is provided with bottle cap 4 before the filter, and is respectively equipped with passage on the bottle cap 4, and air can correspondingly be communicated with the sample bottle inner chamber.The body 8 or the movable bottle end 9, are provided with fixedly glass nail, make body 8 relative firm with the bottle end 9.
Embodiment three: referring to Fig. 2, numbering is identical with embodiment one among the figure, and the meaning of representative is identical, and something in common does not repeat, and difference is: be provided with exhaust tube 6 on glass sand hourglass 5 one sidewalls, each suction filtration device works independently.
Embodiment four: present embodiment and embodiment one are basic identical, something in common does not repeat, difference is: the sample bottle upper end is the closed bottle end before the filter, be provided with communicating pipe at this closed bottle at the end, described communicating pipe one, end was communicated with sample bottle before the filter, the other end is communicated with the sample storing bottle, makes sample by entering communicating pipe in the preceding sample bottle of filter.
Embodiment five: present embodiment and embodiment one are basic identical, and something in common does not repeat, and difference is: the sample bottle upper end is used to filter nonvolatile sample for the open type bottleneck before the filter.
Version, body 8 and the fixed form at the movable bottle end by change being communicated with atmosphere mechanism and change neck tube and distance that exhaust tube staggers can be formed a plurality of embodiment do not describe in detail one by one at this.
Claims (8)
1. multifunction combined suction filtration device, contain the preceding sample bottle of filter, glass sand hourglass and filter back sample reception bottle, wherein the taper standard ground of glass sand hourglass lower end cooperates with the last bottleneck inner wall sealing of filter back sample reception bottle, its upper surface ground cooperates with the following bottleneck end face seal of the preceding sample bottle of filter, the neck tube bottom of glass sand hourglass reaches in the sample receiving flask of filter back, on the glass sand hourglass sidewall, be provided with exhaust tube, it is characterized in that: filter back sample receiving flask is a combined type, by forming at the movable bottle of top body and the bottom end, on the body and the contact-making surface at the movable bottle end, be provided with sealing gasket, to guarantee the vacuum in the receiving flask.
2. multifunction combined suction filtration device according to claim 1 is characterized in that: sample bottle upper end bottleneck is provided with bottle cap before the filter, before this bottle cap and the filter between the sample bottle for being sealed and matched, and be provided with connection atmosphere mechanism.
3. multifunction combined suction filtration device according to claim 2, it is characterized in that: be communicated with atmosphere mechanism and form by passage and air channel, wherein passage is located on the preceding sample bottle of filter, air channel is located on the bottle cap, rotate bottle cap and can make air channel and passage be communicated with or not be communicated with, make air correspondingly be communicated with or not to be communicated with the sample bottle inner chamber.
4. multifunction combined suction filtration device according to claim 2 is characterized in that: being communicated with atmosphere mechanism is passage, and this passage is located at before bottle cap or the filter on the sample bottle, and air can be communicated with sample bottle inner chamber before the filter.
5. multifunction combined suction filtration device according to claim 1, it is characterized in that: the sample bottle upper end is the closed bottle end before the filter, be provided with communicating pipe at this closed bottle at the end, described communicating pipe one, end was communicated with sample bottle before the filter, the other end is communicated with the sample storing bottle, makes sample by entering communicating pipe in the preceding sample bottle of filter.
6. multifunction combined suction filtration device according to claim 1 is characterized in that: the sample bottle upper end is the open type bottleneck before the filter.
7. according to the arbitrary described multifunction combined suction filtration device of claim 1～6, it is characterized in that: the exhaust tube that is provided with on glass sand hourglass is one or two, wherein two exhaust tubes lay respectively on the corresponding two side of glass sand hourglass, and described two exhaust tubes shift to install, between its two axial lines certain spacing is arranged, two exhaust tubes are connected in series on the same air-extractor adjacent glass sand hourglass; The body or the movable bottle end, are provided with fixedly glass nail, make body relative firm with the bottle end, and perhaps body and bottle are provided with locating piece at the end, make the two firm relatively.
8. multifunction combined suction filtration device according to claim 7 is characterized in that: the neck tube length of glass sand hourglass is 160～180mm, and the spacing between the axis of two exhaust tubes is 1～8mm, and fixedly glass nail or locating piece are three, are uniformly distributed along the circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520030292 CN2799040Y (en) | 2005-03-25 | 2005-03-25 | Multifunctional combined pumping and filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520030292 CN2799040Y (en) | 2005-03-25 | 2005-03-25 | Multifunctional combined pumping and filtering device |
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| Publication Number | Publication Date |
|---|---|
| CN2799040Y true CN2799040Y (en) | 2006-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520030292 Expired - Fee Related CN2799040Y (en) | 2005-03-25 | 2005-03-25 | Multifunctional combined pumping and filtering device |
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| CN (1) | CN2799040Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103432799A (en) * | 2013-07-02 | 2013-12-11 | 农业部环境保护科研监测所 | Pressure reduction suction filtration apparatus |
| CN103432815A (en) * | 2013-09-10 | 2013-12-11 | 中国环境科学研究院 | Multi-stage cascaded suction filtration device |
| CN104101180A (en) * | 2013-04-01 | 2014-10-15 | 莆田市嘉辉光电有限公司 | Liquid crystal dehumidifier and liquid crystal dehumidification method |
| CN104614223A (en) * | 2015-02-03 | 2015-05-13 | 新疆农业科学院土壤肥料与农业节水研究所 | Method for extracting soluble organic carbon in soil |
| CN110604953A (en) * | 2019-08-14 | 2019-12-24 | 河南佰利联新材料有限公司 | Suction filtration system and suction filtration method thereof |
-
2005
- 2005-03-25 CN CN 200520030292 patent/CN2799040Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101180A (en) * | 2013-04-01 | 2014-10-15 | 莆田市嘉辉光电有限公司 | Liquid crystal dehumidifier and liquid crystal dehumidification method |
| CN103432799A (en) * | 2013-07-02 | 2013-12-11 | 农业部环境保护科研监测所 | Pressure reduction suction filtration apparatus |
| CN103432815A (en) * | 2013-09-10 | 2013-12-11 | 中国环境科学研究院 | Multi-stage cascaded suction filtration device |
| CN104614223A (en) * | 2015-02-03 | 2015-05-13 | 新疆农业科学院土壤肥料与农业节水研究所 | Method for extracting soluble organic carbon in soil |
| CN104614223B (en) * | 2015-02-03 | 2017-04-19 | 新疆农业科学院土壤肥料与农业节水研究所 | Method for extracting soluble organic carbon in soil |
| CN110604953A (en) * | 2019-08-14 | 2019-12-24 | 河南佰利联新材料有限公司 | Suction filtration system and suction filtration method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060726 Termination date: 20130325 |