CN205127507U - Laboratory suction filtration device - Google Patents
Laboratory suction filtration device Download PDFInfo
- Publication number
- CN205127507U CN205127507U CN201520773594.XU CN201520773594U CN205127507U CN 205127507 U CN205127507 U CN 205127507U CN 201520773594 U CN201520773594 U CN 201520773594U CN 205127507 U CN205127507 U CN 205127507U
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- Prior art keywords
- buchner funnel
- suction
- vacuum filtration
- suction filtration
- funnel
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- Filtration Of Liquid (AREA)
Abstract
The utility model provides a laboratory suction filtration device, 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 that the vertical lateral wall downwardly extending of bucket body, bucket body forms the connection lateral wall, connects lateral wall and the 2nd buchner funnel's lateral wall swing joint and seals up, the bottom of vacuum filtration pump be provided with the antihunting device. This kind of suction filter device connects two buchner funnel to making to form a pressure that is greater than the atmospheric pressure between two buchner funnel, thereby accelerating filter speed, the antihunting device of vacuum filtration pump can effectively reduce the vibration at work of vacuum filtration pump and the noise of oscillation generation, improves laboratory environment.
Description
Technical field
The utility model relates to laboratory vacuum suction filtration technical field, particularly a kind of use for laboratory Suction filtration 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.3, this Suction filtration device operationally, vavuum pump meeting intense vibration, and send very large noise, and this not only has a strong impact on laboratory environment, and can affect the operating efficiency of vavuum pump, thus decreases the service life of vacuum filtration pump.At present for this problem, the noise of vibration generation is reduced by reducing vacuum pump rotor rotating speed, but be that this limits the work of vavuum pump, can also by installing vibration absorber additional, but vibration absorber is mainly used in express pump and the large pumping of pumping speed, be used in laboratory vacuum suction filter pump and not only waste resource, and effectiveness in vibration suppression is bad.
Utility model content
The purpose of this utility model is to provide a kind of use for laboratory Suction filtration 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, pre-filtering can be carried out to needing the sample filtered, further increase suction filtration speed, and this Suction filtration device is provided with the vibration at work of antihunting device effect reduction vacuum filtration pump and the noise of vibration generation bottom vacuum filtration pump, improves laboratory environment.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions.
1, a kind of use for laboratory Suction filtration 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, the upright side walls of described bucket body extends to form connection sidewall downwards, described connection sidewall is flexibly connected with the sidewall of the second Buchner funnel and seals, the bottom of described vacuum filtration pump is provided with antihunting device, described antihunting device comprises rubber sleeve, vacuum filtration pump standing groove and hollow vibrationproof base, described vacuum filtration pump standing groove shape matches with vacuum filtration pump bottom shape, described rubber sleeve is set on the lateral wall of vacuum filtration pump standing groove, described hollow vibrationproof base is arranged on the bottom of vacuum filtration pump standing groove.
Described flexible connection and sealing be by connection sidewall be connected with the sidewall of the second Buchner funnel by the rubber connector that shape of cross section is " H " type.
The length of described connection sidewall is greater than the length of the drain pipe connected bottom the first Buchner funnel.The length of described connection sidewall is greater than the length of drain pipe.
The bottom of described vacuum filtration pump standing groove is provided with the first opening, and the top of described hollow vibrationproof base is provided with the second opening, and hollow vibrationproof base is communicated with vacuum filtration pump standing groove.
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.
The bottom of vacuum filtration pump arranges antihunting device, vibration in effective reduction vacuum filtration pump work process, reduce noise, it is high that this antihunting device is different from cost in prior art, baroque vibration absorber, vacuum filtration pump can well be fixed by the vacuum filtration pump standing groove of antihunting device of the present utility model, play the effect of one-level vibrationproof, vibrationproof base is hollow-core construction, be filled with the medium such as sand, water when in use, play secondary antihunt action, hollow-core construction not only saves material, and light weight, convenient mobile.The hollow vibrationproof base that the utility model adopts vacuum filtration pump standing groove and is arranged on bottom vacuum filtration pump standing groove, realizes two-stage vibrationproof.
2, the utility model rubber connector that adopts shape of cross section to be " H " type by connection sidewall by being connected with the sidewall of the second Buchner funnel, achieve sealing while flexible connection.
3, 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.
4, the bottom of vacuum filtration pump standing groove is provided with the first opening, the top of hollow vibrationproof base is provided with the first opening, hollow vibrationproof base is communicated with vacuum filtration pump standing groove, make vibration effectively be delivered to hollow vibrationproof base like this thus the Absorption of Medium be charged in hollow-core construction, be also conducive to the medium such as sand surfing, water in hollow vibrationproof base.
5, 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.
6, 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.
Fig. 3 is the utility model antihunting device structural representation.
Fig. 4 is the utility model antihunting device plan 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 antihunting devices, 9 bottle,suctions, 10 rubber tubes, 11 vacuum filtration pumps, 101 connect sidewall, 71 hanged hooks, 72 hand holding handles, 73 soak jointing plate, 74 gauzes, 81 first openings, 82 second openings, 83 rubber sleeves, 84 vacuum filtration pump standing grooves, 85 hollow vibrationproof bases.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the utility model is described.
Embodiment 1
As shown in Figure 1, a kind of use for laboratory Suction filtration device, comprise bottle,suction 9, suction funnel, vacuum filtration pump 11, the suction filtration mouth of described bottle,suction 9 is connected with vacuum filtration pump 11 by rubber tube 10, 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 9, described first Buchner funnel 2 comprises bucket body 1, the upright side walls of described bucket body 1 extends to form downwards and connects sidewall 101, described connection sidewall 101 is flexibly connected with the sidewall of the second Buchner funnel 5 and seals, as shown in Figure 2, the bottom of described vacuum filtration pump 11 is provided with antihunting device 8, described antihunting device 8 comprises rubber sleeve 83, vacuum filtration pump standing groove 84 and hollow vibrationproof base 85, described vacuum filtration pump standing groove 84 shape matches with vacuum filtration pump 11 bottom shape, described rubber sleeve 83 is set on the lateral wall of vacuum filtration pump standing groove 84, described hollow vibrationproof base 85 is arranged on the bottom of vacuum filtration pump standing groove 84.First adopt connector to be connected with the second Buchner funnel 5 by the first Buchner funnel 2 during use, and then the suction funnel connected is arranged on bottle,suction 9.Then vacuum filtration pump standing groove 84 is arranged on hollow vibrationproof base, again rubber sleeve 6 is enclosed within the sidewall of vacuum filtration pump standing groove 84, and then vacuum filtration pump 7 is arranged on vacuum filtration pump standing groove 84, the other end of blend rubber cover 6 entangles the lower end of vacuum filtration pump 7, so just vacuum filtration pump 7 is fixed on antihunting device 8, suction filter pump can have been opened after completing above-mentioned installation and carry out suction filtration work.
As further improvement of the utility model, as shown in Figure 1, described flexible connection and sealing are that the rubber connector 4 of " H " type is connected with the sidewall of the second Buchner funnel 5 by shape of cross section by connecting sidewall 101.
The length of described connection sidewall 101 is greater than the length of the drain pipe 3 connected bottom the first Buchner funnel.
As further improvement of the utility model, as shown in Figures 3 and 4, the bottom of described vacuum filtration pump standing groove 84 is provided with the first opening 81, and the top of described hollow vibrationproof base 85 is provided with the second opening 82, and hollow vibrationproof base 85 is communicated with vacuum filtration pump standing groove 84.
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 Figures 1 and 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 (8)
1. a use for laboratory Suction filtration device, comprise bottle,suction (9), suction funnel, vacuum filtration pump (11), the suction filtration mouth of described bottle,suction (9) is connected with vacuum filtration pump (11) by rubber tube (10), 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 (9), described first Buchner funnel (2) comprises bucket body (1), the upright side walls of described bucket body (1) extends to form downwards and connects sidewall (101), described connection sidewall (101) is flexibly connected with the sidewall of the second Buchner funnel (5) and seals, the bottom of described vacuum filtration pump (11) is provided with antihunting device (8), described antihunting device (8) comprises rubber sleeve (83), vacuum filtration pump standing groove (84) and hollow vibrationproof base (85), described vacuum filtration pump standing groove (84) shape matches with vacuum filtration pump (11) bottom shape, described rubber sleeve (83) is set on the lateral wall of vacuum filtration pump standing groove (84), described hollow vibrationproof base (85) is arranged on the bottom of vacuum filtration pump standing groove (84).
2. a kind of use for laboratory Suction filtration device according to claim 1, is characterized in that: described flexible connection and sealing be by connection sidewall (101) be connected with the sidewall of the second Buchner funnel (5) by the rubber connector (4) that shape of cross section is " H " type.
3. a kind of use for laboratory Suction filtration device according to claim 1, is characterized in that: the length of described connection sidewall (101) is greater than the length of the drain pipe (3) connected bottom the first Buchner funnel.
4. a kind of use for laboratory Suction filtration device according to claim 1, it is characterized in that: the bottom of described vacuum filtration pump standing groove (84) is provided with the first opening (81), the top of described hollow vibrationproof base (85) is provided with the second opening (82), and hollow vibrationproof base (85) is communicated with vacuum filtration pump standing groove (84).
5. a kind of use for laboratory Suction filtration 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.
6. a kind of use for laboratory Suction filtration device according to claim 5, 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).
7. a kind of use for laboratory Suction filtration device according to claim 6, is characterized in that: the thickness of described wetting jointing plate (73) is 3 ~ 5cm.
8. a kind of use for laboratory Suction filtration 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 |
|---|---|---|---|
| CN201520773594.XU CN205127507U (en) | 2015-10-08 | 2015-10-08 | Laboratory suction filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520773594.XU CN205127507U (en) | 2015-10-08 | 2015-10-08 | Laboratory suction filtration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205127507U true CN205127507U (en) | 2016-04-06 |
Family
ID=55613332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520773594.XU Expired - Fee Related CN205127507U (en) | 2015-10-08 | 2015-10-08 | Laboratory suction filtration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205127507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469425A (en) * | 2017-08-08 | 2017-12-15 | 中国地质科学院岩溶地质研究所 | A kind of Portable water sample step filters system |
-
2015
- 2015-10-08 CN CN201520773594.XU patent/CN205127507U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469425A (en) * | 2017-08-08 | 2017-12-15 | 中国地质科学院岩溶地质研究所 | A kind of Portable water sample step filters system |
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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: 20160406 Termination date: 20161008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |