CN205084480U - Novel suction filter device is used in laboratory - Google Patents
Novel suction filter device is used in laboratory Download PDFInfo
- Publication number
- CN205084480U CN205084480U CN201520773422.2U CN201520773422U CN205084480U CN 205084480 U CN205084480 U CN 205084480U CN 201520773422 U CN201520773422 U CN 201520773422U CN 205084480 U CN205084480 U CN 205084480U
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- buchner funnel
- suction
- funnel
- buchner
- bottle
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Abstract
The utility model provides a novel suction filter device is used in laboratory, including buchner flask, suction filtration hopper, vacuum filtration pump, buchner flask's suction filtration mouth passes through the rubber tube and is connected with the vacuum filtration pump, suction filtration hopper includes a buchner funnel, the 2nd buchner funnel, a buchner funnel lies in the 2nd buchner funnel's top, the 2nd buchner funnel installs on buchner flask, a buchner funnel includes the drain pipe of bucket body, bucket body bottom, and the vertical lateral wall of bucket body forms along drain pipe orientation downwardly extending connects the lateral wall, and the connection lateral wall passes through shape of cross section and is connected with the 2nd buchner funnel's lateral wall for the rubber connecting piece of " H " type. Two buchner funnel are connected to this kind of funnel to making to form a pressure that is greater than the atmospheric pressure between two buchner funnel, thereby accelerating filter speed, two funnels use simultaneously, can carry out the prefiltering to the sample, have further improved suction filtration speed, and this novel suction filtration hopper simple structure, convenient to use.
Description
Technical field
The utility model relates to laboratory vacuum suction filtration technical field, particularly a kind of use for laboratory Novel suction filter device.
Background technology
At present, at chemistry, chemical industry, suction filtration operation often can be used for the sample being not easy to filter in the laboratory research fields such as medicine, suction filtration is also known as filtration under diminished pressure or vacuum filtration, that method by vacuumizing in the below of filter medium is to increase the pressure differential between filter medium upper and lower, promote liquid to be flowed out by filter medium, and the filter method that bulky grain retains, existing Suction filtration device is generally by Buchner funnel, vavuum pump and bottle,suction composition, funnel is placed on triangle bottle,suction in actual mechanical process, open vavuum pump suction filtration, thus the direct suction filtration of the sample on Buchner funnel is flow in bottle,suction.
One section of publication number is that the Chinese patent of CN203408528U discloses name and is called a kind of Novel suction filter device, comprise bottle,suction and funnel, the suction filtration mouth of bottle,suction is connected with outside vavuum pump by rubber tube, receiving vessel is provided with in bottle,suction, the filter tip of funnel bottom inserts in receiving vessel, the bottom of bottle,suction is provided with the opening for making receiving vessel pass in and out and its opening part is provided with dismountable bottle,suction sealing device, filter flask sealing device comprises the screw thread being positioned at bottle,suction bottom margin and the seal cover be connected with thread seal, the irony pad that rubber gasket or filter flask sealing device comprise the rubber ring be positioned at bottom bottle,suction and the bottom opening covering bottle,suction is provided with between seal cover and bottle,suction, the end face that irony pad contacts with rubber ring is provided with rubber sealant, advantage is that filtrate directly enters in receiving vessel, without the need to further transfer, decrease using and scrubbing number of times of bottle,suction, improve operating efficiency, simultaneously, effectively can avoid filtrate loss.Operationally there is following problem in the Suction filtration device of this structure, 1, suction filtration speed is slow, in real work, the sample of suction filtration is because concentration, the a variety of causes such as the size of solid matter make suction filtration speed very slow, affect operating efficiency, 2, filter paper is when putting into funnel, and what filter paper did not have is placed with, and occurs the problems such as filter paper tilting, and be all that filter paper soaks by manual operation, grasping bad to filter paper degree of wetting, like this when opening suction filter pump, easily causing filter paper damaged, this then needs again to change filter paper, makes troubles to operation.
Utility model content
The purpose of this utility model is to provide a kind of use for laboratory Novel suction filter device, two Buchner funnels connect by the suction funnel of this kind of Suction filtration device, thus make formation one between two Buchner funnels be greater than atmospheric pressure, thus the quickening rate of filtration, two funnels are simultaneously practical simultaneously, can carry out pre-filtering to needing the sample filtered, further increase suction filtration speed, and this Novel suction filter funnel structure is simple, install simple, easy to use.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions.
A kind of use for laboratory Novel suction filter device, comprise bottle,suction, suction funnel, vacuum filtration pump, the suction filtration mouth of described bottle,suction is connected with vacuum filtration pump by rubber tube, described suction funnel comprises the first Buchner funnel, second Buchner funnel, described first Buchner funnel is positioned at the top of the second Buchner funnel, described second Buchner funnel is arranged on the bottleneck of bottle,suction, described first Buchner funnel comprises bucket body, be connected to the drain pipe bottom bucket body, the upright side walls of described bucket body extends to form connection sidewall downwards, the rubber connector that described connection sidewall is " H " type by shape of cross section is connected with the sidewall of the second Buchner funnel, the filter paper aperture of described first Buchner funnel is greater than the aperture of filter paper in the second Buchner funnel.
The length of described connection sidewall is greater than the length of drain pipe.
Receiving vessel is provided with in described bottle,suction, in the receiving vessel described in filter tip bottom the second described Buchner funnel inserts, active link bottom the side wall lower ends of described bottle,suction and bottle,suction and its junction is provided with sealing ring.
The sidewall of described first Buchner funnel is provided with and hangs circle, is placed with device for hanging filter paper.
Described filter paper is placed with device and comprises hand holding handle, one end of hand holding handle connects wetting jointing plate, the other end is provided with hanging ring, described wetting jointing plate is coated with gauze, described wetting jointing plate shape and Buchner funnel bucket body matching form, described wetting jointing plate diameter is slightly less than the diameter of described Buchner funnel bucket body.
Described connection sidewall and the first Buchner funnel one-shot forming.
Beneficial effect:
Compared with prior art, the utility model has the following advantages:
1, the utility model is being connected to a Buchner funnel again above the Buchner funnel of prior art, during such operation, after two funnels all put into filter paper, when opening suction filter pump, certain pressure being greater than the external world is formed between two funnels, suction filtration sample is formed to the power of a pressure and a suction, accelerate the speed of suction filtration;
Because there is two-layer funnel, so can discharge hole footpath is slightly large in the funnel on upper strata filter paper, pre-filtering is carried out to sample, first fast by the solid filtering of larger particles, then lower floor's funnel that filtrate flow into filter paper aperture less again refilters, the suction filtration speed of this two-layer funnel is improved compared with prior art single funnel suction filtration speed, and the filtrate of upper strata suction filtration flows directly in lower floor's funnel, avoid and adopt other pre-filtrating equipments or method to need to shift filtrate and the filtrate loss that causes and operation loaded down with trivial details.
2, the length of connection sidewall of the present utility model is greater than the length of drain pipe, is conducive between the first Buchner funnel and the second Buchner funnel, form the suitable pressure differential of tool, improves suction filtration efficiency.
3, adopting filter paper of the present utility model to be placed with device can be fast, accurately filter paper soaked and be placed with funnel bottom: wetting jointing plate shape and Buchner funnel bucket body matching form, diameter is slightly less than the diameter of Buchner funnel bucket body, can correct for filter paper be covered on the hole of funnel bottom like this, and filter paper is flattened tightly, avoid the problem that filter paper tilts, the wetting coated gauze of jointing plate, the whole wetting wetting filter paper afterwards of wetting jointing plate, filter paper can just in time soak by its moisture degree, avoid the problem of the artificial wetting bad filter paper cracky caused of filter paper degree of wetting.
The thickness of wetting jointing plate of the present utility model is 3 ~ 5cm, such part that filter paper can be exceeded Funnel diameter tightly overlay on the sidewall of funnel, solve liquid in prior art and directly spill funnel from the gap between sidewall and filter paper, make the problem of filtration failure.The utility model connects sidewall and the first Buchner funnel adopts one-shot forming, and production operation is simple.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is that the utility model filter paper is placed with apparatus structure schematic diagram.
1 bucket body, 2 first Buchner funnels, 3 drain pipes, 4 rubber connectors, 5 second Buchner funnels, 6 hang circle, 7 filter paper are placed with device, 8 bottle,suctions, 9 receptacles, 10 sealing rings, 11 rubber tubes, 12 vacuum filtration pumps, 101 connect sidewall, 71 hanged hooks, 72 hand holding handles, 73 soak jointing plate, 74 gauzes.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the utility model is described.
As shown in Figures 1 and 2, a kind of use for laboratory Novel suction filter device, comprise bottle,suction 8, suction funnel, vacuum filtration pump 12, the suction filtration mouth of described bottle,suction 8 is connected with vacuum filtration pump 12 by rubber tube 11, described suction funnel comprises the first Buchner funnel 2, second Buchner funnel 5, described first Buchner funnel 2 is positioned at the top of the second Buchner funnel 5, described second Buchner funnel is arranged on the bottleneck of bottle,suction 8, described first Buchner funnel 2 comprises bucket body 1, be connected to the drain pipe 3 bottom bucket body, the upright side walls of described bucket body 1 extends to form downwards along drain pipe direction and connects sidewall 101, described connection sidewall 101 is that the rubber connector 4 of " H " type is connected with the sidewall of the second Buchner funnel 5 by shape of cross section, the filter paper aperture of described first Buchner funnel 2 is greater than the aperture of filter paper in the second Buchner funnel 5.First the rubber connector 4 of " H " type is connected with the second Buchner funnel 5 during use, and then the other end of the rubber connector 4 of " H " type is connected with the first Buchner funnel 2 be positioned on the second Buchner funnel, and then the suction funnel connected is arranged on bottle,suction.The utility model is connected to a Buchner funnel again above the Buchner funnel of prior art, during such operation, after two funnels all put into filter paper, when opening suction filter pump, certain pressure being greater than the external world is formed between two funnels, suction filtration sample is formed to the power of a pressure and a suction, accelerate the speed of suction filtration.
As further improvement of the utility model, the length of described connection sidewall 101 is greater than the length of drain pipe 3.
As further improvement of the utility model, as shown in Figure 1, receiving vessel 9 is provided with in described bottle,suction 8, in receiving vessel 9 described in filter tip bottom the second described Buchner funnel 5 inserts, active link bottom the side wall lower ends of described bottle,suction 8 and bottle,suction and its junction is provided with sealing ring 10.This structure filtrate directly receives in receptacle 9, need not shift from bottle,suction 8, the loss of filtrate in transfer process can be reduced, also not need to clean bottle,suction at every turn, easy to operate, side wall lower ends convenient will be accommodated bottle and take out from bottle,suction 8 with being flexibly connected bottom bottle,suction 8.
As further improvement of the utility model, the sidewall of described first Buchner funnel 2 is provided with and hangs circle 6, is placed with device 7 for hanging filter paper.At any time filter paper can be placed with device like this to hang up, avoid making dirty.
As further improvement of the utility model, as shown in Figure 2, described filter paper is placed with device 7 and comprises hand holding handle 72, one end of hand holding handle connects wetting jointing plate 73, the other end is provided with hanged hook 71, described wetting jointing plate 73 is coated with gauze 74, described wetting jointing plate 73 shape and Buchner funnel bucket body 1 matching form, described wetting jointing plate 73 diameter is slightly less than the diameter of described Buchner funnel bucket body 1.When putting filter paper, filter paper is placed on bell mouth, wetting jointing plate 73 is put into water by the hand holding handle 72 that then hand-held filter paper is placed with device 7, then pick up, again wetting jointing plate 73 is aimed at bell mouth, press downwards, while so just filter paper being put into funnel bottom, water on the gauze 74 that wetting jointing plate 73 is coated just completes the wetting, fast simple to operate of filter paper.
As further improvement of the utility model, the thickness of described wetting jointing plate 73 is 3 ~ 5cm.Described connection sidewall 101 and the first Buchner funnel 2 one-shot forming.
Claims (7)
1. a use for laboratory Novel suction filter device, comprise bottle,suction (8), suction funnel, vacuum filtration pump (12), the suction filtration mouth of described bottle,suction (8) is connected with vacuum filtration pump (12) by rubber tube (11), it is characterized in that, described suction funnel comprises the first Buchner funnel (2), second Buchner funnel (5), described first Buchner funnel (2) is positioned at the top of the second Buchner funnel (5), described second Buchner funnel is arranged on the bottleneck of bottle,suction (8), described first Buchner funnel (2) comprises bucket body (1), be connected to the drain pipe (3) bottom bucket body, the upright side walls of described bucket body (1) extends to form downwards along drain pipe direction and connects sidewall (101), the rubber connector (4) that described connection sidewall (101) is " H " type by shape of cross section is connected with the sidewall of the second Buchner funnel (5), the filter paper aperture of described first Buchner funnel (2) is greater than the aperture of filter paper in the second Buchner funnel (5).
2. a kind of use for laboratory Novel suction filter device according to claim 1, is characterized in that: the length of described connection sidewall (101) is greater than the length of drain pipe (3).
3. a kind of use for laboratory Novel suction filter device according to claim 1, it is characterized in that: in described bottle,suction (8), be provided with receiving vessel (9), in receiving vessel (9) described in the filter tip of described second Buchner funnel (5) bottom inserts, active link bottom the side wall lower ends of described bottle,suction (8) and bottle,suction and its junction is provided with sealing ring (10).
4. a kind of use for laboratory Novel suction filter device according to claim 1, is characterized in that: the sidewall of described first Buchner funnel (2) is provided with and hangs circle (6), is placed with device (7) for hanging filter paper.
5. a kind of use for laboratory Novel suction filter device according to claim 4, it is characterized in that: described filter paper is placed with device (7) and comprises hand holding handle (72), one end of hand holding handle connects wetting jointing plate (73), the other end is provided with hanged hook (71), described wetting jointing plate (73) is coated with gauze (74), described wetting jointing plate (73) shape and Buchner funnel bucket body (1) matching form, described wetting jointing plate (73) diameter is slightly less than the diameter of described Buchner funnel bucket body (1).
6. a kind of use for laboratory Novel suction filter device according to claim 5, is characterized in that: the thickness of described wetting jointing plate (73) is 3 ~ 5cm.
7. a kind of use for laboratory Novel suction filter device according to claim 1 and 2, is characterized in that: described connection sidewall (101) and the first Buchner funnel (2) one-shot forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520773422.2U CN205084480U (en) | 2015-10-08 | 2015-10-08 | Novel suction filter device is used in laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520773422.2U CN205084480U (en) | 2015-10-08 | 2015-10-08 | Novel suction filter device is used in laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205084480U true CN205084480U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520773422.2U Expired - Fee Related CN205084480U (en) | 2015-10-08 | 2015-10-08 | Novel suction filter device is used in laboratory |
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| Country | Link |
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| CN (1) | CN205084480U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744693A (en) * | 2018-05-23 | 2018-11-06 | 上海北裕分析仪器股份有限公司 | The portable nutsch filter of multistage filtering with sealed compartment |
| CN110078585A (en) * | 2019-04-18 | 2019-08-02 | 山东省计量科学研究院 | A kind of method of purification and device of octafluoro naphthalene |
| CN112495021A (en) * | 2020-11-27 | 2021-03-16 | 中国检验检疫科学研究院 | Rapid washing and filtering device for frosted components in cosmetics and screening and identifying method |
-
2015
- 2015-10-08 CN CN201520773422.2U patent/CN205084480U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744693A (en) * | 2018-05-23 | 2018-11-06 | 上海北裕分析仪器股份有限公司 | The portable nutsch filter of multistage filtering with sealed compartment |
| CN110078585A (en) * | 2019-04-18 | 2019-08-02 | 山东省计量科学研究院 | A kind of method of purification and device of octafluoro naphthalene |
| CN112495021A (en) * | 2020-11-27 | 2021-03-16 | 中国检验检疫科学研究院 | Rapid washing and filtering device for frosted components in cosmetics and screening and identifying method |
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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: 20160316 Termination date: 20161008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |