CN106731091A - Vacuum apparatus - Google Patents
Vacuum apparatus Download PDFInfo
- Publication number
- CN106731091A CN106731091A CN201710005997.3A CN201710005997A CN106731091A CN 106731091 A CN106731091 A CN 106731091A CN 201710005997 A CN201710005997 A CN 201710005997A CN 106731091 A CN106731091 A CN 106731091A
- Authority
- CN
- China
- Prior art keywords
- groove
- vacuum apparatus
- filtrate
- filtration
- gas passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000706 filtrate Substances 0.000 claims abstract description 41
- 238000001914 filtration Methods 0.000 claims abstract description 27
- 238000000967 suction filtration Methods 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000011521 glass Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004442 gravimetric analysis Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004452 microanalysis Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/085—Funnel filters; Holders therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to a kind of vacuum apparatus, including filter bowl, filtrate bottle, the vacuum apparatus are further included：Snap ring, including annulus and clasp arm, for fixing filtration body and filter bowl；Filtration body, including：Body, the upper bottom surface of the body is provided with the first groove, and the first stop part is provided with first groove, and the side surface upper part of the body is provided with the first external screw thread matched with first internal thread, the bottom surface of the body is provided with the second groove, and the second groove is connected with filtrate bottle；Filtrate channel and gas passage are additionally provided with the body, filtrate channel connects the first groove and the second groove, and gas passage makes the second groove and filtration body ft connection；Filter membrane support member, the filter membrane support member is arranged on first stop part；Suction filtration joint, the suction filtration joint is arranged on the gas passage and stretches out outside the body.The present invention has the advantages that simple structure, sturdy and durable, easy to use, easy cleaning.
Description
Technical field
The present invention relates to solvent filter field, more particularly to a kind of filtration body uses the vacuum mistake of polytetrafluoroethylmaterial material
Filter device.
Background technology
In liquid-phase chromatographic analysis, gravimetric analysis, micro-analysis, the experiment such as isolate and purify, usually filled using vacuum filter
Put carries out fast filtering and degassing to solution.The conventional vacuum apparatus in current laboratory are glass material, including glass mistake
Filter bowl, core filtering head, triangle liquid-collecting bottle and metal clip, but there is problems with：
1. device is glass material, broken；
2. core is usually quartz sand, is easily broken, can not change and be difficult to clean, it is necessary to when filtering different solvents,
In order to avoid cross pollution, many covering devices, high cost need to be prepared；
3., by ground fitted seal, after suction filtration forms vacuum, core and liquid-collecting bottle are difficult to separate for core and liquid-collecting bottle.
The content of the invention
In order to solve the deficiency in above-mentioned prior art, the invention provides a kind of simple structure, it is sturdy and durable, make
With convenience, easily easy cleaning, replacing, segregative vacuum apparatus.
The purpose of the present invention is achieved through the following technical solutions：
A kind of vacuum apparatus, including filter bowl, filtrate bottle, the vacuum apparatus are further included：
Snap ring, the snap ring includes annulus and clasp arm, there is the first internal thread in the annulus, by spiral shell in described first
Line is connected with filtration body；The clasp arm at least two, the filter bowl is fixed for buckle；
Filtration body, the filtration body includes：
Body, the upper bottom surface of the body is provided with the first groove, and the first stop part is provided with first groove；Described
The side surface upper part of body is provided with the first external screw thread matched with first internal thread；It is recessed that the bottom surface of the body is provided with second
Groove, second groove is connected with filtrate bottle；
Filtrate channel and gas passage are additionally provided with the body, the filtrate channel connects the first groove and the second groove
Logical, the gas passage makes the second groove and filtration body ft connection；
Filter membrane support member, the filter membrane support member is arranged on first stop part, and first stop part makes described
The bottom of the first groove separates with the filter membrane support member；
Suction filtration joint, the suction filtration joint is arranged on one end of the gas passage and ft connection, and stretches out described
Outside body.
According to above-mentioned vacuum apparatus, it is preferable that be provided with the second internal thread, the filtrate bottle in second groove
Oral area be provided with the second external screw thread with second screw-internal thread fit.
According to above-mentioned vacuum apparatus, alternatively, the second stop part, second resistance are provided with first groove
Sealing ring, the upper bottom surface of the upper surface higher than the body of the sealing ring are placed in stopper.
According to above-mentioned vacuum apparatus, it is preferable that the body is made up of polytetrafluoroethylmaterial material.
According to above-mentioned vacuum apparatus, it is preferable that the filter membrane support member is porous Teflon piece.
According to above-mentioned vacuum apparatus, alternatively, the bottom of first groove is in back taper.
According to above-mentioned vacuum apparatus, it is preferable that the filtrate channel is connected with the tip of back taper bottom.
According to above-mentioned vacuum apparatus, it is preferable that the filtrate channel is provided with water conservancy diversion near one end of the second groove
Pipe.
According to above-mentioned vacuum apparatus, it is preferable that the suction filtration joint is connected by screw thread with the body, is being leaned on
Gas passage one end of nearly body exterior is provided with internal thread, and suction filtration joint is provided with the external screw thread for matching, by the rotation of suction filtration joint
Enter the connection of gas passage realization and body.
According to above-mentioned vacuum apparatus, it is preferable that the suction filtration joint is elbow bend.
Compared with prior art, the device have the advantages that being：
1st, the present invention is using being provided with two grooves, be provided with body that the polytetrafluoroethylmaterial material of two passages is made as mistake
Filter, simple compared to glass filtration header structure, sturdy and durable, long service life；While polytetrafluoroethylmaterial material corrosion resistance
Good, surface tension is small, and easily cleaning, will not cause the cross pollution of different sample rooms.
2nd, the present invention uses porous Teflon piece support micropore filtering film, changes, is fixed conveniently, and easily cleaning.
3rd, the present invention be fixedly connected by the second groove internal thread and filtrate mouth cylindrical part, after suction filtration by filtration body with
Filtrate bottle is directly turned on and can be separated；It is connected through a screw thread simultaneously so that the consistent reagent bottle of bore can be brought as filtrate
Bottle, it is more convenient to combine.When filter of the invention is filtered for liquid chromatogram mobile phase, directly by Mobile-phase reagent
Bottle connects filtration body and can be used, and the transfer of mobile phase need not be carried out after having filtered, very convenient.
4th, suction filtration joint of the invention is elbow bend, is threaded into the connection of gas passage realization and body, together
When the direction of elbow bend can be adjusted according to the difference for being screwed into vapor path length, to coordinate the position of vavuum pump, use
It is convenient.
Brief description of the drawings
Fig. 1 is the sectional view of the vacuum apparatus of the embodiment of the present invention 1.
Specific embodiment
Fig. 1 and following description describe optional embodiment of the invention with instruct those skilled in the art how to implement and
Reproduce the present invention.In order to instruct technical solution of the present invention, some conventional aspects are simplified or have eliminated.Those skilled in the art should
The understanding is derived from the modification of these implementation methods or replacement will within the scope of the invention.Those skilled in the art should understand that under
Stating feature can combine to form multiple modifications of the invention in a variety of ways.Thus, the invention is not limited in it is following can be real
Mode is applied, and is only limited by claim and their equivalent.
Embodiment 1
Fig. 1 schematically illustrates the structure diagram of the vacuum apparatus of the present embodiment, as shown in figure 1, the vacuum
Filter includes：Filter bowl 1, filtrate bottle 2, the vacuum apparatus are further included：
Snap ring, the snap ring includes annulus 31 and clasp arm 32, there is the first internal thread in the annulus, and snap ring is by described
First internal thread is connected with filtration body；The clasp arm at least two, the filter bowl is fixed for buckle；
Filtration body, the filtration body includes：
Body 41, the body is made up of polytetrafluoroethylmaterial material；The upper bottom surface of the body is provided with the first groove 411,
The first stop part 412 is provided with first groove；The side surface upper part of the body is provided with and matches with first internal thread
The first external screw thread；The bottom surface of the body is provided with the second groove 414, and second groove is connected with filtrate bottle；
Filtrate channel 415 and gas passage 416 are additionally provided with the body, the filtrate channel makes the first groove and second
Groove is connected, and the gas passage makes the second groove and filtration body ft connection；
Filter membrane support member 42, the filter membrane support member is arranged on first stop part, and first stop part makes institute
The bottom for stating the first groove separates with the filter membrane support member；The filter membrane support member is porous Teflon piece；
Suction filtration joint 43, the suction filtration joint is arranged on one end of the gas passage and ft connection, and stretches out institute
State outside body.
Further, the second internal thread is provided with second groove, the oral area of the filtrate bottle is provided with and described second
Second external screw thread of screw-internal thread fit.After vacuum filtration terminates, the screw thread between the second groove and filtrate mouth cylindrical part is directly turned on, directly
The separation for realizing filtration body and filtrate bottle is connect, it is simple and quick, asked in the absence of stubborn between filtration body and filtrate bottle
Topic.
It is fixed by way of the annulus internal thread and clasp arm buckle filter bowl of snap ring between filtration body and filter bowl
Connection, in order to further ensure that vacuum of the vacuum apparatus during suction filtration, therefore：
Further, the second stop part 413 is provided with first groove, sealing ring 5 is placed on second stop part,
Upper bottom surface of the upper surface of the sealing ring higher than the body.
In order to avoid filtrate remains in the bottom of the first groove, filtrate is rapidly introduced into filtrate channel, improve filtering effect
Rate, therefore：
Further, the bottom of first groove is in back taper；The tip phase of the filtrate channel and back taper bottom
Even, filtrate rapidly enters filtrate bottle collection in back taper congregate and through filtrate channel.
The filtrate channel is connected with gas passage with second groove, namely the bottom of filtrate channel leads to gas
The bottom in road is in sustained height, and during suction filtration, filtrate is easily directly pumped from gas passage, therefore：
Further, the filtrate channel is provided with mozzle near one end of the second groove, and the mozzle stretches into filtrate
Mouth cylindrical part.
, it is necessary to suction filtration joint is attached with the pump line of vavuum pump before vacuum apparatus work, for holding meanss
Stability, it is necessary to suction filtration joint and pump line is just right.At present, whole filter is typically carried out into rotary alignment, very
Trouble, and whole device rotating band comes uncertain, therefore：
Further, the suction filtration joint is elbow bend, is connected with the body by screw thread.Will be described by screw thread
During elbow bend precession gas passage, elbow bend carries out 360 ° of rotations with pump line contact jaw, is reaching and pump line relative position
When, stop the rotation, elbow bend is connected with pump line, in this way, easy to operate, time saving and energy saving, device stability is good.
Embodiment 2
A kind of vacuum apparatus of the embodiment of the present invention 1 are present embodiments provided, in the present embodiment, described first is recessed
Groove includes three parts, from bottom to top respectively rounding tapering, filter membrane supporting part and sealing ring stop part, the filter membrane supporting part and
Sealing ring stop part is cylindric, bottom surface radius of the sealing ring portion stop part bottom surface radius more than the filter membrane supporting part
More than the bottom surface radius in rounding tapering, two stage steps face is formed, the two stage steps face constitutes second stop part and first
Stop part.
Claims (10)
1. a kind of vacuum apparatus, including filter bowl, filtrate bottle, it is characterised in that：The vacuum apparatus are further included：
Snap ring, the snap ring include annulus and clasp arm, have the first internal thread in the annulus, by first internal thread with
Filtration body is connected, the clasp arm at least two, and the filter bowl is fixed for buckle；
Filtration body, the filtration body includes：
Body, the upper bottom surface of the body is provided with the first groove, and the first stop part is provided with first groove；The body
Side surface upper part is provided with the first external screw thread matched with first internal thread；The bottom surface of the body is provided with the second groove,
Second groove is connected with filtrate bottle；
Filtrate channel and gas passage are additionally provided with the body, the filtrate channel connects the first groove and the second groove,
The gas passage makes the second groove and filtration body ft connection；
Filter membrane support member, the filter membrane support member is arranged on first stop part, and first stop part makes described first
The bottom of groove separates with the filter membrane support member；
Suction filtration joint, the suction filtration joint is arranged on one end of the gas passage and ft connection, and stretches out the body
Outside.
2. vacuum apparatus according to claim 1, it is characterised in that：Spiral shell in second is provided with second groove
Line, the oral area of the filtrate bottle is provided with the second external screw thread with second screw-internal thread fit.
3. vacuum apparatus according to claim 1, it is characterised in that：The second stop is provided with first groove
Portion, places sealing ring, the upper bottom surface of the upper surface higher than the body of the sealing ring on second stop part.
4. vacuum apparatus according to claim 1, it is characterised in that：The body is by polytetrafluoroethylmaterial material system
Into.
5. vacuum apparatus according to claim 1, it is characterised in that：The filter membrane support member is porous polytetrafluoroethyl-ne
Alkene piece.
6. vacuum apparatus according to claim 1, it is characterised in that：The bottom of first groove is in back taper.
7. vacuum apparatus according to claim 6, it is characterised in that：The filtrate channel and the point of back taper bottom
Portion is connected.
8. vacuum apparatus according to claim 1, it is characterised in that：The filtrate channel is close to the one of the second groove
End is provided with mozzle.
9. vacuum apparatus according to claim 1, it is characterised in that：The suction filtration joint passes through screw thread with described
Body is connected.
10. vacuum apparatus according to claim 9, it is characterised in that：The suction filtration joint is elbow bend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005997.3A CN106731091B (en) | 2017-01-05 | 2017-01-05 | Vacuum filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005997.3A CN106731091B (en) | 2017-01-05 | 2017-01-05 | Vacuum filtration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106731091A true CN106731091A (en) | 2017-05-31 |
| CN106731091B CN106731091B (en) | 2023-09-01 |
Family
ID=58949513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710005997.3A Active CN106731091B (en) | 2017-01-05 | 2017-01-05 | Vacuum filtration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106731091B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197545A (en) * | 2017-06-20 | 2017-09-22 | 广西大学 | Nano-cellulose graphene complex electrocaloric film and its green preparation process |
| CN107349648A (en) * | 2017-08-25 | 2017-11-17 | 广东省生物工程研究所（广州甘蔗糖业研究所） | A kind of Special filtering membrane filter for the detection of liquid glucose colour |
| CN111085018A (en) * | 2019-12-30 | 2020-05-01 | 陕西博睿信息科技有限公司 | Filter for detecting water quality by using filter membrane method |
| CN111686827A (en) * | 2019-03-15 | 2020-09-22 | 思耐睿化学产品公司 | System and method for filtering samples from containers |
| CN112717513A (en) * | 2020-12-23 | 2021-04-30 | 广东产品质量监督检验研究院（国家质量技术监督局广州电气安全检验所、广东省试验认证研究院、华安实验室） | Centrifuging tube suction filter device |
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| US20100038303A1 (en) * | 2008-08-14 | 2010-02-18 | Jianjian Cai | Disposable polymer-structured filtering kit |
| CN103642687A (en) * | 2013-11-14 | 2014-03-19 | 无锡耐思生物科技有限公司 | Vacuum filter |
| CN204502557U (en) * | 2015-01-30 | 2015-07-29 | 无锡海特圣大光电材料科技有限公司 | A kind of use for laboratory Suction filtration device |
| CN105879685A (en) * | 2016-05-30 | 2016-08-24 | 河海大学 | Vacuum filtration device for laboratory |
| CN205716225U (en) * | 2016-04-26 | 2016-11-23 | 浙江全民管业有限公司 | A kind of transition joint |
| CN205760122U (en) * | 2016-05-21 | 2016-12-07 | 山西省农产品质量安全检验监测中心 | A kind of Suction filtration device of laboratory pre-treatment |
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2017
- 2017-01-05 CN CN201710005997.3A patent/CN106731091B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100038303A1 (en) * | 2008-08-14 | 2010-02-18 | Jianjian Cai | Disposable polymer-structured filtering kit |
| CN103642687A (en) * | 2013-11-14 | 2014-03-19 | 无锡耐思生物科技有限公司 | Vacuum filter |
| CN204502557U (en) * | 2015-01-30 | 2015-07-29 | 无锡海特圣大光电材料科技有限公司 | A kind of use for laboratory Suction filtration device |
| CN205716225U (en) * | 2016-04-26 | 2016-11-23 | 浙江全民管业有限公司 | A kind of transition joint |
| CN205760122U (en) * | 2016-05-21 | 2016-12-07 | 山西省农产品质量安全检验监测中心 | A kind of Suction filtration device of laboratory pre-treatment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197545A (en) * | 2017-06-20 | 2017-09-22 | 广西大学 | Nano-cellulose graphene complex electrocaloric film and its green preparation process |
| CN107197545B (en) * | 2017-06-20 | 2020-09-01 | 广西大学 | Nano-cellulose graphene composite electrothermal film and green preparation process thereof |
| CN107349648A (en) * | 2017-08-25 | 2017-11-17 | 广东省生物工程研究所（广州甘蔗糖业研究所） | A kind of Special filtering membrane filter for the detection of liquid glucose colour |
| CN111686827A (en) * | 2019-03-15 | 2020-09-22 | 思耐睿化学产品公司 | System and method for filtering samples from containers |
| CN111085018A (en) * | 2019-12-30 | 2020-05-01 | 陕西博睿信息科技有限公司 | Filter for detecting water quality by using filter membrane method |
| CN112717513A (en) * | 2020-12-23 | 2021-04-30 | 广东产品质量监督检验研究院（国家质量技术监督局广州电气安全检验所、广东省试验认证研究院、华安实验室） | Centrifuging tube suction filter device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106731091B (en) | 2023-09-01 |
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