CN208465362U - A kind of QuEChERS detection syringe-type clarifier - Google Patents
A kind of QuEChERS detection syringe-type clarifier Download PDFInfo
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- CN208465362U CN208465362U CN201820774430.2U CN201820774430U CN208465362U CN 208465362 U CN208465362 U CN 208465362U CN 201820774430 U CN201820774430 U CN 201820774430U CN 208465362 U CN208465362 U CN 208465362U
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- filter
- syringe
- filter membrane
- membrane device
- filtering
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Abstract
The utility model discloses a kind of QuEChERS detection syringe-type clarifiers, it include clamping element and supporting element including filtering syringe, filter membrane device and sealing cover, sealing cover, clamping element is internally provided with blocked hole, blocked hole is internally provided with clamp pad, and clamping protrusion is provided on the inner wall of clamp pad；Sealing cover can be used cooperatively with filtering syringe, and the primary dcreening operation liquid outlet for filtering syringe is placed in the blocked hole of sealing cover, and sealing cover can also be used cooperatively with filter membrane device, and the testing liquid outlet of filter membrane device is placed in the blocked hole of sealing cover；The needle cylinder type filter membrane filter can be placed vertically, it is convenient that testing liquid is added into needle cylinder type filter membrane filter, and the seal cap sealing consolidation of needle cylinder type filter membrane filter, testing liquid is not easy to reveal when vortex vibrates, the needle cylinder type filter membrane filtration device structure is simple, easy to use.
Description
Technical field
The utility model relates to a kind of QuEChERS detection syringe-type clarifiers, specifically, being related to a kind of user
Just novel syringe-type membrane filter, belongs to detecting instrument technical field.
Background technique
QuEChERS method is a kind of emerging sample purification method, and main cleaning principle is scattered adsorption,
QuEChERS is the abbreviation of Quick, Easy, Cheap, Effective, Rugged, Safe, this method have quickly, it is easy,
Inexpensive, efficient, durable, safe feature has very extensive application in agricultural and veterinary chemicals residue detection field.
For QuEChERS method Physico-chemical tests, machine is before sample introduction is analyzed on sample to be tested, it is desirable that sample to be tested pre-treatment
Liquid should ensure that free from admixture particle, otherwise will block the sampling system and other analysis systems of instrument, or even can generate to measurement
Interference, to influence the accuracy of testing result.Therefore sample pre-treatments liquid needs filtering in advance before sample introduction, to remove impurity
Particulate matter etc..
Currently, widely applied filter device is needle cylinder type filter membrane filter, needle cylinder type filter membrane filter in the lab
Filtering syringe, filter membrane device, sealing cover are generally comprised, filter membrane device is mounted on filtering syringe, pushes filtering needle by manual compression
Cylinder piston push rod is filtered the testing liquid of filtering syringe, and testing liquid is laggard by filtering syringe, the filtering of filter membrane device
Row detection.
Filtering syringe is internally provided with filter plate, and testing liquid needs the top from filtering syringe to be added, due to syringe-type
Membrane filter can not be placed vertically in use, need hand-held syringe when to addition testing liquid inside filtering syringe
Formula membrane filter, testing liquid adding procedure are inconvenient for use；Meanwhile needing to carry out vortex oscillation before testing liquid filtering, it is close
Sealing is not tight when being sealed on vortex oscillation, be easy to cause the leakage of testing liquid.
Utility model content
The technical problems to be solved in the utility model is against the above deficiency, to provide a kind of QuEChERS detection syringe-type
Clarifier, the needle cylinder type filter membrane filter can be placed vertically, and it is convenient that testing liquid is added into needle cylinder type filter membrane filter, syringe
The seal cap sealing consolidation of formula membrane filter, testing liquid are not easy to reveal when vortex vibrates, the needle cylinder type filter membrane filter
Structure is simple, easy to use.
In order to solve the above technical problems, the utility model uses following technical scheme: syringe is used in a kind of QuEChERS detection
Formula clarifier, including filtering syringe, filter membrane device and sealing cover, it is characterised in that: the sealing cover includes clamping element and supporting element；
The clamping element is cylinder, and supporting element is cylinder, and the diameter of supporting element is greater than the diameter of clamping element；
The clamping element is internally provided with blocked hole, and blocked hole is internally provided with clamp pad, clamp pad fitting clamping
The inner wall in hole is arranged；
It is provided with clamping protrusion on the inner wall of the clamp pad, clamps protrusion as annular；
The clamping protrusion is several, several clamp protrusion and are uniformly arranged on the inner wall of clamp pad.
A kind of scheme of optimization, for the filtering syringe for containing liquid to be detected, that filters syringe is internally provided with work
Push rod is filled in, piston push rod is slidably arranged in the inside of filtering syringe；
The inside of the filtering syringe is additionally provided with sieve plate, and sieve plate is arranged in the bottom of filtering syringe, is provided on sieve plate
Sieve pore, sieve plate are used to filter the larger particles in testing liquid；
The bottom of the filtering syringe is provided with primary dcreening operation liquid outlet.
Further, the primary dcreening operation liquid outlet of the filtering syringe is equipped with filter membrane device；
The filter membrane device includes filter membrane device ontology, and the top of filter membrane device ontology is provided with upper end cover, under filter membrane device ontology
Portion is provided with lower cover, and upper end cover, lower cover and filter membrane device ontology are tightly connected.
Further, the top of the upper end cover is provided with primary dcreening operation liquid inlet, is provided with testing liquid on lower cover and goes out
Mouthful.
Further, annular groove is provided on the inner wall of the filter membrane device ontology, in the annular groove of filter membrane device ontology
It is connected with miillpore filter；
The upper surface of the miillpore filter is provided with support filter plate, and the lower end surface of miillpore filter is provided with lower support filter
Plate is provided with filter hole on lower support filter plate, upper support filter plate, and lower support filter plate, upper support filter plate clamp miillpore filter
In centre, lower support filter plate, upper support filter plate can prevent miillpore filter compressive deformation.
Further, the top of the miillpore filter is provided with adsorption layer, and the lower part of miillpore filter is provided with lower absorption
Layer.
The utility model after the above technical solution is adopted, compared with prior art, has the advantage that a kind of QuEChERS
Detection syringe-type clarifier, including filtering syringe, filter membrane device and sealing cover, sealing cover include clamping element and supporting element, are clamped
Part is internally provided with blocked hole, and blocked hole is internally provided with clamp pad, and clamping protrusion is provided on the inner wall of clamp pad；
Sealing cover can be used cooperatively with filtering syringe, and the primary dcreening operation liquid outlet for filtering syringe is placed on to the card of sealing cover
It connects in hole, sealing cover can also be used cooperatively with filter membrane device, and the testing liquid outlet of filter membrane device is placed on to the clamping of sealing cover
In hole；
The needle cylinder type filter membrane filter can be placed vertically, and it is convenient that testing liquid is added into needle cylinder type filter membrane filter, needle
The seal cap sealing consolidation of cartridge type membrane filter, testing liquid are not easy to reveal when vortex vibrates, needle cylinder type filter membrane filtering
Device structure is simple, easy to use.
The utility model is described in detail with reference to the accompanying drawings and examples.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of QuEChERS detection syringe-type clarifier in the utility model embodiment；
Attached drawing 2 is the main view of sealing cover in the utility model embodiment；
Attached drawing 3 is the top view of sealing cover in the utility model embodiment；
Attached drawing 4 is the structural schematic diagram of filter membrane device in the utility model embodiment；
Attached drawing 5 is the structural schematic diagram that sealing cover and filtering syringe are used cooperatively in the utility model embodiment
Attached drawing 6 is the structural schematic diagram that sealing cover and filtering syringe, filter membrane device are used cooperatively in the utility model embodiment
In figure,
1- filters syringe, 2- primary dcreening operation liquid outlet, 3- filter membrane device, 4- filter membrane device ontology, 5- upper end cover, 6- lower cover, 71-
Primary dcreening operation liquid inlet, 72- testing liquid export, 8- annular groove, 9- miillpore filter, and filter plate is supported on 10-, supports filter under 11-
Plate, the upper adsorption layer of 12-, adsorption layer under 13-, 14- sealing cover, 15- clamping element, 16- supporting element, 17- blocked hole, 18- clamp pad,
19- clamps protrusion.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model.
Embodiment, as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of QuEChERS detection syringe-type clarifier, including filtering
Syringe 1, filtering syringe 1 are internally provided with piston push rod, piston push rod sliding for containing liquid to be detected, filtering syringe 1
The inside of filtering syringe 1 is set, the inside of filtering syringe 1 is additionally provided with sieve plate, and the bottom of filtering syringe 1 is arranged in sieve plate,
Sieve pore is provided on sieve plate, sieve plate is used to filter the larger particles in testing liquid, and the bottom of filtering syringe 1 is provided with primary dcreening operation liquid
Body outlet 2.
It filters and filter membrane device 3 is installed at the primary dcreening operation liquid outlet 2 of syringe 1, filter membrane device 3 includes filter membrane device ontology 4, filter membrane device
The top of ontology 4 is provided with upper end cover 5, and the lower part of filter membrane device ontology 4 is provided with lower cover 6, upper end cover 5, lower cover 6 and filter membrane
Device ontology 4 is tightly connected, and the top of upper end cover 5 is provided with primary dcreening operation liquid inlet 71, and testing liquid outlet is provided on lower cover 6
72, annular groove 8 is provided on the inner wall of filter membrane device ontology 4, is connected with miillpore filter in the annular groove 8 of filter membrane device ontology 4
9, the upper surface of miillpore filter 9 is provided with support filter plate 10, and the lower end surface of miillpore filter 9 is provided with lower support filter plate 11, under
Support filter plate 11 is provided with filter hole on upper support filter plate 10, and lower support filter plate 11, upper support filter plate 10 are by miillpore filter 9
It is clamped in centre, lower support filter plate 11, upper support filter plate 10 can prevent 9 compressive deformation of miillpore filter, and the top of miillpore filter 9 is set
It is equipped with adsorption layer 12, the lower part of miillpore filter 9 is provided with lower adsorption layer 13.
A kind of needle cylinder type filter membrane filter further includes sealing cover 14, and the lower part that sealing cover 14 may be provided at filtering syringe 1 is used
Syringe 1 is filtered in sealing, sealing cover 14 may also be arranged on the lower part of filter membrane device 3 for sealing filter membrane device 3.
Sealing cover 14 includes clamping element 15 and supporting element 16, and clamping element 15 is cylinder, and supporting element 16 is cylinder, support
The diameter of part 16 is greater than the diameter of clamping element 15, and clamping element 15 is internally provided with blocked hole 17, the inside setting of blocked hole 17
There is clamp pad 18, clamp pad 18 is bonded the inner wall setting of blocked hole 17, is provided with clamping protrusion 19, folder on the inner wall of clamp pad 18
Tight protrusion 19 is annular, and clamping protrusion 19 is several, several clamp protrusion 19 and are uniformly arranged on the inner wall of clamp pad 18.
As shown in Figure 3, Figure 4, sealing cover 14 can be used cooperatively with filtering syringe 1, will filter the primary dcreening operation liquid discharge of syringe 1
Mouth 2 is placed in the blocked hole 17 of sealing cover 14, and sealing cover 14 can also be used cooperatively with filter membrane device 3, by the to be measured of filter membrane device 3
Liquid outlet 72 is placed in the blocked hole 17 of sealing cover 14.
The needle cylinder type filter membrane filter can be placed vertically, and it is convenient that testing liquid is added into needle cylinder type filter membrane filter, needle
The sealing cover 14 of cartridge type membrane filter seals consolidation, and testing liquid is not easy to reveal when vortex vibrates, the needle cylinder type filter membrane mistake
Filter constructions are simple, easy to use.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this
In novel description, it is to be understood that if there is the finger such as term " on ", "lower", "left", "right", "top", "bottom", "inner", "outside"
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore the terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.
In addition, if there is the terms such as " first ", " second " to be used for description purposes only, be mainly used for distinguishing different devices,
Element or component (specific type and construction may identical may also be different), is not intended to show or implies indicated fill
It sets, the relative importance and quantity of element or component, and should not be understood as indicating or implying relative importance.
The above specific embodiments are only exemplary, is to enable those skilled in the art to better understand this
Utility model content should not be understood as the limitation to scope of protection of the utility model, as long as according to the utility model technology
Scheme improvements introduced, each falls within the protection scope of the utility model.
Claims (6)
1. a kind of QuEChERS detection syringe-type clarifier, including filtering syringe (1), filter membrane device (3) and sealing cover (14),
Be characterized in that: the sealing cover (14) includes clamping element (15) and supporting element (16)；
The clamping element (15) is cylinder, and supporting element (16) is cylinder, and the diameter of supporting element (16) is greater than clamping element (15)
Diameter；
The clamping element (15) is internally provided with blocked hole (17), and blocked hole (17) is internally provided with clamp pad (18), folder
The inner wall setting of tight pad (18) fitting blocked hole (17)；
It is raised (19) that clamping is provided on the inner wall of the clamp pad (18), clamping raised (19) is annular；
The clamping raised (19) is several, several clamp raised (19) and are uniformly arranged on the inner wall of clamp pad (18).
2. a kind of QuEChERS detection syringe-type clarifier as described in claim 1, it is characterised in that: the filtering syringe
(1) for containing liquid to be detected, filtering syringe (1) is internally provided with piston push rod, and piston push rod is slidably arranged in filtering
The inside of syringe (1)；
The inside of filtering syringe (1) is additionally provided with sieve plate, and sieve plate setting is arranged on the bottom of filtering syringe (1), sieve plate
There is sieve pore, sieve plate is used to filter the larger particles in testing liquid；
The bottom of filtering syringe (1) is provided with primary dcreening operation liquid outlet (2).
3. a kind of QuEChERS detection syringe-type clarifier as described in claim 1, it is characterised in that: the filtering syringe
(1) filter membrane device (3) are installed at primary dcreening operation liquid outlet (2)；
The filter membrane device (3) includes filter membrane device ontology (4), and the top of filter membrane device ontology (4) is provided with upper end cover (5), filter membrane device
The lower part of ontology (4) is provided with lower cover (6), and upper end cover (5), lower cover (6) and filter membrane device ontology (4) are tightly connected.
4. a kind of QuEChERS detection syringe-type clarifier as claimed in claim 3, it is characterised in that: the upper end cover
(5) top is provided with primary dcreening operation liquid inlet (71), and testing liquid outlet (72) is provided on lower cover (6).
5. a kind of QuEChERS detection syringe-type clarifier as claimed in claim 3, it is characterised in that: the filter membrane device sheet
It is provided on the inner wall of body (4) annular groove (8), is connected with miillpore filter (9) in the annular groove (8) of filter membrane device ontology (4)；
The upper surface of the miillpore filter (9) is provided with support filter plate (10), and the lower end surface of miillpore filter (9) is provided with lower branch
It supports filter plate (11), is provided with filter hole, lower support filter plate (11), upper branch on lower support filter plate (11), upper support filter plate (10)
It supports filter plate (10) and miillpore filter (9) is clamped in centre, lower support filter plate (11), upper support filter plate (10) can prevent miillpore filter
(9) compressive deformation.
6. a kind of QuEChERS detection syringe-type clarifier as claimed in claim 5, it is characterised in that: the miillpore filter
(9) top is provided with adsorption layer (12), and the lower part of miillpore filter (9) is provided with lower adsorption layer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820774430.2U CN208465362U (en) | 2018-05-23 | 2018-05-23 | A kind of QuEChERS detection syringe-type clarifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820774430.2U CN208465362U (en) | 2018-05-23 | 2018-05-23 | A kind of QuEChERS detection syringe-type clarifier |
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| Publication Number | Publication Date |
|---|---|
| CN208465362U true CN208465362U (en) | 2019-02-05 |
Family
ID=65218140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820774430.2U Active CN208465362U (en) | 2018-05-23 | 2018-05-23 | A kind of QuEChERS detection syringe-type clarifier |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111007185A (en) * | 2019-12-30 | 2020-04-14 | 广电计量检测（湖南）有限公司 | Method for determining pesticide residue in edible plant enzyme |
| CN111650302A (en) * | 2020-06-19 | 2020-09-11 | 国家烟草质量监督检验中心 | Separation and detection method for octylphenol and nonylphenol isomers |
| CN112255343A (en) * | 2020-10-16 | 2021-01-22 | 宁波市疾病预防控制中心 | Method and kit for measuring fentanyl drugs in biological sample |
-
2018
- 2018-05-23 CN CN201820774430.2U patent/CN208465362U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111007185A (en) * | 2019-12-30 | 2020-04-14 | 广电计量检测（湖南）有限公司 | Method for determining pesticide residue in edible plant enzyme |
| CN111650302A (en) * | 2020-06-19 | 2020-09-11 | 国家烟草质量监督检验中心 | Separation and detection method for octylphenol and nonylphenol isomers |
| CN111650302B (en) * | 2020-06-19 | 2022-12-23 | 国家烟草质量监督检验中心 | Separation detection method for isomers of octylphenol and nonylphenol |
| CN112255343A (en) * | 2020-10-16 | 2021-01-22 | 宁波市疾病预防控制中心 | Method and kit for measuring fentanyl drugs in biological sample |
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