CN207520696U - A kind of syringe filter - Google Patents
A kind of syringe filter Download PDFInfo
- Publication number
- CN207520696U CN207520696U CN201720828729.7U CN201720828729U CN207520696U CN 207520696 U CN207520696 U CN 207520696U CN 201720828729 U CN201720828729 U CN 201720828729U CN 207520696 U CN207520696 U CN 207520696U
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- China
- Prior art keywords
- filter
- syringe
- nipple
- feed inlet
- mounting
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Abstract
The utility model is related to laboratory consumptive material fields, and in particular to a kind of syringe filter, including syringe and filter, syringe includes injection cannula and plunger, injection cannula and plunger cooperation installation, the end of injection cannula is equipped with nipple, screw thread is offered on the outer wall of nipple；The feed inlet of filter is threadedly coupled with nipple, the inner wall of the feed inlet of filter offers screw thread, the discharge port of filter is equipped with the mounting post to install syringe needle, and filter interior is installed with filter membrane, and filter membrane is detachably equipped with filter disc close to the side of feed inlet.The utility model provides a kind of syringe filter, and splash can be occurred by realizing when avoiding pressure excessive, prevents filter process from injuring operating personnel, can adapt to the filtering liquid of a variety of granular sizes, while save material, avoid the technique effect of the waste of resource.
Description
Technical field
The utility model is related to laboratory consumptive material fields, and in particular to a kind of syringe filter.
Background technology
In the world, annual a large amount of food, agricultural product, daily necessities, environmental sample etc. are required to carry out pesticide, head
It wants, additive, environmental pollution, synthesize an element, the analysis of the various chemical substances such as surfactant, before sample is carried out
Reason is related to purifying and the operations such as filters mostly.Wherein purification process part employs quite fairly simple dispersive solid-phase extraction skill
Art, first using the various interference components of net adsorbent removal component, then purified solution by syringe filter monkey and into one
The analysis detection of step, therefore syringe filter is currently a kind of essential common experimental consumptive material in laboratory；It can be removed
Bulky grain pollutant.
However the part that existing filter is connect with syringe is to fully rely on the inner wall of filter and syringe inner wall
Between frictional force, once filter filtering inefficiency, splash easily occurs, operating personnel are damaged, works as filtering
Liquid it is more when, filter disc can not carry out cleaning either filter disc can not be cleaned, easily block or replaced
The problem of filter causes the waste of material, and working efficiency is low.Laboratory operation personnel is needed to go to combine, market is without respective sets
Close product；When encountering a large amount of samples, it may appear that influence the generation of working efficiency and operating mistake；Pin type filter is connect with syringe
Only frictionally, amorphousness connect at place；Difficult filtered sample is encountered, when filter membrane filter is motionless, pressure is excessive, it may occur that splash,
Sample liquid is mostly organic solvent or acid-base property liquid, injures operating personnel；Pin type filter tail length is encountered in 5mm or so
Sample subsequent filtrate it is very difficult to be squeezed into sample injection bottle, often due to water by 1.5ml sample injection bottles, the especially sample injection bottle with center bushing pipe
Surface tension reunite in bottleneck, influence liquid and take.
Invention content
For the defects in the prior art, the utility model provides a kind of syringe filter, realizes and avoids pressure excessive
When splash can occur, prevent filter process injure operating personnel, can adapt to the filtering liquid of a variety of granular sizes, save simultaneously
Material avoids the technique effect of the waste of resource.
In order to achieve the above objectives, the utility model adopts the following technical scheme：
A kind of syringe filter, including syringe and filter；
The syringe includes injection cannula and plunger, the injection cannula and plunger cooperation installation, the injection
The end of casing is equipped with nipple, and screw thread is offered on the outer wall of the nipple；
The feed inlet of the filter is threadedly coupled with the nipple, and the inner wall of the feed inlet of the filter offers spiral shell
Line, the discharge port of the filter are equipped with the mounting post to install syringe needle, and the filter interior is installed with filter membrane,
The filter membrane is detachably equipped with filter disc close to the side of feed inlet.
As an improvement technical solution, the filter disc is installed on a mounting bracket, the mounting bracket include mounting ferrule,
Clips and connecting rod are connected between the mounting ferrule and clips using the connecting rod.
As an improvement technical solution, offer the installation coordinated with the connecting rod on the inner wall of the filter
Slot, the end that the filter connects the syringe offer the fixed station coordinated with the clips, in the mounting ferrule
Filter disc detachably is installed.
As an improvement technical solution, the filter disc is fixedly installed in using retainer plate on the clips, and institute
Retainer plate is stated as rubber ring.
As an improvement technical solution, the aperture of the filter membrane between 0.1mm to 0.5mm, the filter disc
Aperture is between 0.5mm to 1mm.
Due to using the technology described above, the utility model has the advantages that：
A kind of syringe filter, including syringe and filter, syringe includes injection cannula and plunger, injection cannula and
Plunger cooperation installation, the end of injection cannula is equipped with nipple, screw thread is offered on the outer wall of nipple；The feed inlet of filter with
Nipple is threadedly coupled, and the inner wall of the feed inlet of filter offers screw thread, and the discharge port of filter is equipped with to install syringe needle
Mounting post, filter interior are installed with filter membrane, and filter membrane is detachably equipped with filter disc close to the side of feed inlet；This reality
The threaded connection of the nipple and feed inlet of syringe can make being stably connected with for syringe and filter when in use with novel,
Avoid pressure it is excessive when splash can occur, prevent filter process injure operating personnel, mounting post can install syringe needle can be real
The now container by the liquid injection after filtering to some openings less than mounting post, filter disc and filter membrane are equipped with, filter disc
Some big particles can be filtered by the aperture that aperture is more than filter membrane, can adapt to the filtered fluid of a variety of granular sizes
Body is happened so as to avoid filter membrane by what bulky grain blocked, while also accelerates the working efficiency of filtering, filter can
Dismantling connection can clear out bulky grain, convenient for the cleaning of syringe filter, increase the service life of syringe filter,
Material is saved, avoids the technique effect of the waste of resource.
Filter disc is installed on a mounting bracket, and mounting bracket includes mounting ferrule, clips and connecting rod, mounting ferrule and clips
Between connected using connecting rod, mounting groove coordinate with connecting rod is offered on the inner wall of filter, filter connects syringe
End offer the fixed station coordinated with clips, filter disc is detachably installed in mounting ferrule；Filter disc is fixed using retainer plate
It is installed on clips, and retainer plate is rubber ring；When the utility model is used, filter disc can be fixed on filtering by mounting bracket
It in device, while also allows for that filter disc taking-up is cleaned and replaced, the cooperation of clips and retainer plate can make consolidating for filter disc
It is fixed more to stablize, simultaneously as the use of rubber ring is avoided because installation filter disc causes to filter the occurrence of incomplete, even
The cooperation of mounting groove on the inner wall of extension bar and filter can syringe nipple and feed inlet threaded connection when simultaneously
Connecting rod is fixed, the end that mounting bracket can be fixed on feed inlet by mounting ferrule is easy to disassemble and filter disc is avoided to enter
The contact of too deep and filter membrane influences filter effect；The filtering liquid of a variety of granular sizes is can adapt to, while saves material, is kept away
The waste of resource is exempted from.
The aperture of filter membrane is between 0.1mm to 0.5mm, and the aperture of filter disc is between 0.5mm to 1mm；The utility model
When in use, the aperture of filter disc can filter bigger particle, can avoid the blocking of filter membrane, avoid pressure it is excessive when
Splash can occur, prevent filter process from injuring operating personnel, accelerate working efficiency.
In conclusion the utility model, which has reached, can occur splash when avoiding pressure excessive, filter process injury behaviour is prevented
Make personnel, can adapt to the filtering liquid of a variety of granular sizes, while save material, avoid the technology effect of the waste of resource
Fruit.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, it is similar
Element or part are generally identified by similar reference numeral.In attached drawing, each element or part might not be according to practical ratios
It draws.
Fig. 1 is the structure diagram that embodiment one provides；
Fig. 2 is the structure diagram of filter that embodiment one provides；
Fig. 3 is the structure diagram that embodiment two provides；
Fig. 4 is the structure diagram of filter that embodiment two provides；
In figure：1. syringe, 11. injection cannulas, 12. plungers, 13. nipples, 2. filters, 21. filter membranes, 22. filterings
Piece, 23. feed inlets, 24. discharge ports, 25. mounting ferrules, 26. clips, 27. connecting rods, 28. mounting posts.
Specific embodiment
Technical solutions of the utility model are described in detail below in conjunction with embodiment.Following embodiment is only used for more
Add and clearly demonstrate the technical solution of the utility model, therefore be only used as example, and cannot the utility model be limited with this
Protection domain.
Embodiment one
As shown in Figs. 1-2, a kind of syringe filter, including syringe 1 and filter 2, syringe 1 includes injection cannula 11
With plunger 12, injection cannula 11 and the cooperation installation of plunger 12, the end of injection cannula 11 is equipped with nipple 13, the outer wall of nipple 13
On offer screw thread；The feed inlet 23 of filter 2 is threadedly coupled with nipple 13, and the inner wall of the feed inlet 23 of filter 2 offers
Screw thread, the discharge port 24 of filter 2 are equipped with the mounting post 28 to install syringe needle, filter membrane are installed with inside filter 2
21, filter membrane 21 is detachably equipped with filter disc close to the side of feed inlet 23.
The threaded connection of the wherein nipple 13 of syringe 1 and feed inlet 23 can connect syringe 1 and stablizing for filter 2
Connect, avoid pressure it is excessive when splash can occur, prevent filter process from injuring operating personnel, mounting post 28 can install syringe needle energy
Enough containers realized by the liquid injection after filtering to some openings less than mounting post 28, the cooperation of filter disc and filter membrane 21 are set
It puts, some big particles can be filtered by the aperture of filter disc more than the aperture of filter membrane 21, and it is big to can adapt to a variety of particles
Small filtering liquid, is happened so as to avoid filter membrane by what bulky grain blocked, while also accelerates the working efficiency of filtering,
Being detachably connected for filter 22 can clear out bulky grain, convenient for the cleaning of syringe filter 2, increase needle type filtration
The service life of device 2, saves material, avoids the technique effect of the waste of resource.
Syringe needle is connect with 28 structure of mounting post, and the aperture of syringe needle is between 0.5-0.8mm；The aperture of filter membrane 21 exists
Between 0.1mm to 0.5mm, the aperture of filter disc is between 0.5mm to 1mm；Pin type filter tail portion passes through structure with syringe needle junction
Property connection, the setting of needle aperture will not holds in the mouth or the eyes because of drop in bottleneck, encounter 1.5ml sample injection bottles, especially with center bushing pipe into
Sample bottle can directly squeeze into sample subsequent filtrate in sample injection bottle internal lining pipe, and liquid is taken very convenient；It the aperture of filter disc being capable of mistake
Filter bigger particle, the blocking of filter membrane 21 can be avoided, avoid pressure it is excessive when splash can occur, prevent filter process
Operating personnel are injured, accelerate working efficiency.
The utility model can avoid that splash can occur when pressure is excessive, prevent filter process from injuring operating personnel, can
The filtering liquid of a variety of granular sizes is adapted to, while saves material, avoids the technique effect of the waste of resource.Without experiment
Room operating personnel go to combine, and market when encountering a large amount of samples, significantly improves working efficiency, prevent simultaneously without the corresponding combination product
The generation of operating personnel's operating mistake；Pin type filter passes through structural connectivity with 1 junction of syringe；Difficult filtered sample is encountered,
When filter membrane filter is motionless, splash will not occur greatly again for pressure, prevent filter process from injuring operating personnel；Pin type filter tail portion and needle
By structural connectivity, needle aperture is very tiny for head junction（In 0.5-0.8mm or so）, it will not be held in the mouth or the eyes because of drop in bottleneck,
1.5ml sample injection bottles, the especially sample injection bottle with center bushing pipe are encountered, can sample subsequent filtrate directly be squeezed into sample injection bottle internal lining pipe
In, liquid is taken very convenient, is followed one's bent.
Embodiment two
As shown in Figure 3-4, the difference between this embodiment and the first embodiment lies in filter disc is installed on a mounting bracket, mounting bracket packet
Mounting ferrule 25, clips 26 and connecting rod 27 are included, is connected between mounting ferrule 25 and clips 26 using connecting rod 27, filter
The mounting groove coordinated with connecting rod 27 is offered on 2 inner wall, the end of the connection syringe 1 of filter 2 offers and clips
The fixed stations of 26 cooperations, are detachably equipped with filter disc in mounting ferrule 25；Filter disc is fixedly installed in using retainer plate on clips 26,
And retainer plate is rubber ring；Filter disc can be fixed in filter 2 by mounting bracket, while also allow for cleaning filter disc taking-up
And replace, the cooperation of clips 26 and retainer plate can be such that the fixation of filter disc more stablizes, simultaneously as the use of rubber ring
It avoids because installation filter disc causes to filter the occurrence of incomplete, the mounting groove on the inner wall of connecting rod 27 and filter 2
Cooperation can syringe 1 nipple 13 and feed inlet 23 threaded connection when connecting rod 27 fixed simultaneously, mounting ferrule 25
The end that mounting bracket can be fixed on to feed inlet 23 is easy to disassemble and filter disc is avoided to enter too deep and filter membrane 21 connect
Touching influences filter effect；The filtering liquid of a variety of granular sizes is can adapt to, while saves material, avoids the wave of resource
Take.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacement, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (5)
1. a kind of syringe filter, it is characterised in that：Including syringe and filter；
The syringe includes injection cannula and plunger, the injection cannula and plunger cooperation installation, the injection cannula
End nipple is installed, offer screw thread on the outer wall of the nipple；
The feed inlet of the filter is threadedly coupled with the nipple, and the inner wall of the feed inlet of the filter offers screw thread,
The discharge port of the filter is equipped with the mounting post to install syringe needle, and the filter interior is installed with filter membrane, institute
It states filter membrane and filter disc is detachably installed close to the side of feed inlet.
2. a kind of syringe filter according to claim 1, it is characterised in that：The filter disc is installed on a mounting bracket,
The mounting bracket includes mounting ferrule, clips and connecting rod, is connected between the mounting ferrule and clips using the connecting rod
It connects.
3. a kind of syringe filter according to claim 2, it is characterised in that：Offered on the inner wall of the filter with
The mounting groove of the connecting rod cooperation, the end that the filter connects the syringe offers what is coordinated with the clips
Fixed station is detachably equipped with filter disc in the mounting ferrule.
4. a kind of syringe filter according to claim 2, it is characterised in that：The filter disc is fixedly mounted using retainer plate
In on the clips, and the retainer plate is rubber ring.
5. a kind of syringe filter according to claim 1, it is characterised in that：The aperture of the filter membrane is arrived in 0.1mm
Between 0.5mm, the aperture of the filter disc is between 0.5mm to 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720828729.7U CN207520696U (en) | 2017-07-10 | 2017-07-10 | A kind of syringe filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720828729.7U CN207520696U (en) | 2017-07-10 | 2017-07-10 | A kind of syringe filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207520696U true CN207520696U (en) | 2018-06-22 |
Family
ID=62574673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720828729.7U Expired - Fee Related CN207520696U (en) | 2017-07-10 | 2017-07-10 | A kind of syringe filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207520696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113332790A (en) * | 2021-05-28 | 2021-09-03 | 暨南大学 | Novel sample filter |
-
2017
- 2017-07-10 CN CN201720828729.7U patent/CN207520696U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113332790A (en) * | 2021-05-28 | 2021-09-03 | 暨南大学 | Novel sample filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20200710 |