CN208905959U - Sample injection bottle filter device - Google Patents
Sample injection bottle filter device Download PDFInfo
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- CN208905959U CN208905959U CN201821568973.5U CN201821568973U CN208905959U CN 208905959 U CN208905959 U CN 208905959U CN 201821568973 U CN201821568973 U CN 201821568973U CN 208905959 U CN208905959 U CN 208905959U
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- connecting tube
- filter
- sample injection
- plate
- injection bottle
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Abstract
The utility model discloses a kind of sample injection bottle filter devices, belong to the filter device technical field of sample analysis pre-treatment pair, including the connector for connecting two sample injection bottles, the connector is hollow structure, filter assemblies are provided in the connector, the both ends of the connector are respectively arranged with internal screw thread compatible with the external screw thread of sample injection bottle bottleneck, and the both ends of the connector are threadedly coupled with sample injection bottle.It has the advantages that structure is simple and convenient to operate, is easy to filter, not needing to carry out secondary transferring to solution.
Description
Technical field
The utility model relates to the filter device technical field of sample analysis pre-treatment pair, in particular to a kind of sample injection bottle mistake
Filter device.
Background technique
With the fast development of chromatography industry, around the equipment of chromatography and the demand of product also at full speed
Increase, the chromatography of test is put down as autosampler bottle, and when being analyzed, the desorbed solution being analysed to is contained to sample injection bottle, so
By sample introduction needle, to desorbed solution progress, sample introduction is analyzed afterwards.
Generally in order to remove the impurity in desorbed solution, need that active carbon is added in sample injection bottle, for adsorbing in desorbed solution
Impurity, be convenient for the analysis of sample.But during carrying out automatic sampling, sample introduction needle is easy to suck active carbon,
The blocking for causing sample introduction needle causes sample introduction difficult, influences analysis of experiments.
In the prior art, chromatographic sample filtering will generally use syringe-driven filter, need liquid using syringe first
It is sucked out, then connects upper needle type filter, row pressure filtrate to chromatography column feed materials bottle waits autosampler sample introduction, this process needs
A variety of consumptive materials are used, need to shift sample twice in step, it is difficult to the variation for avoiding sample loss and concentration, particularly with body
Product generates biggish error in the sample that the biological sample and solvent of micro updating are volatile reagents.
Utility model content
The purpose of this utility model is to provide a kind of sample injection bottle filter devices, are simple and convenient to operate with structure, easily
In filter, do not need to solution carry out secondary transferring the advantages of.
The above-mentioned technical purpose of the utility model has the technical scheme that
Sample injection bottle filter device, including the connector for connecting two sample injection bottles, the connector is hollow structure, institute
It states and is provided with filter assemblies in connector, the both ends of the connector are respectively arranged with to be adapted with the external screw thread of sample injection bottle bottleneck
Internal screw thread, the both ends of the connector are threadedly coupled with sample injection bottle.
By using above-mentioned technical proposal, by the both ends of connector respectively with contain the sample injection bottle of desorbed solution to be filtered with
The bottleneck connection of empty sample injection bottle, the both ends of connector and the bottleneck of sample injection bottle are connected through a screw thread, easy to operate, and leakproofness
It gets well, not easy-to-leak liquid；Filter assemblies are provided in connector, desorbed solution to be filtered flows into connector, is arranged in connector
Filter assemblies filtering, filtered desorbed solution flows into empty sample injection bottle, after liquid filtering completely to be resolved, by connector and sample introduction
Bottle separates, and does not need desorbed solution carrying out secondary transferring, which is simple and convenient to operate, is easy to filter.
The utility model is further arranged to: the connector includes the first connecting tube and hinged with first connecting tube one end
The second connecting tube, first connecting tube it is outer through equal, and first connecting tube is fastened on second connecting tube, institute
The first connecting tube and the second connecting tube fixed seal connection are stated, a support plate is installed in second connecting tube, it is described
Multiple through-holes are offered in support plate, the filter assemblies are set in the support plate, and the filter assemblies and described the
Two connecting tubes are detachably connected.
By using above-mentioned technical proposal, the installation of filter assemblies and connector is realized, and due to the first connecting tube and the
Two connecting tubes are hinged, and filter assemblies are detachably connected with the second connecting tube, facilitate the installation and replacement of filter assemblies；First connects
Adapter tube is outer through equal with the second connecting tube, and fixed seal connection, it is ensured that the airtightness of connection is placed desorbed solution and leaked out.
The utility model is further arranged to: inner wall of first connecting tube close to one end of second connecting tube is set
It is equipped with positive stop lug boss.
By using above-mentioned technical proposal, limit assembly can be limited between support plate and positive stop lug boss, prevent from filtering
Component shakes, and the filtering of desorbed solution is influenced, to influence filter effect.
The utility model is further arranged to: the filter assemblies include the first filter plate, the second filter plate and are used for
The mounting plate of first filter plate and the second filter plate is installed, the mounting plate is hollow structure, first filter plate and second
Filter plate is respectively arranged in the two sides of the mounting plate, and the first filter membrane, second mistake are provided on first filter plate
The second filter membrane is provided on filter plate.
By using above-mentioned technical proposal, filter assemblies include the first filter plate and the second filter plate, and desorbed solution is through first
The double-filtration of filter plate and the second filter plate can further remove the impurity such as active carbon present in desorbed solution, prevent into
Sample needle blocks sample introduction needle when drawing desorbed solution.
The utility model is further arranged to: the first sealing ring is provided between the filter assemblies and the support plate,
First sealing ring is fitted closely with the filter assemblies and support plate.
It by using above-mentioned technical proposal, is fitted closely between the first sealing ring and filter assemblies and support plate, prevents from solving
Gap outflow of the liquid between filter assemblies and support plate is analysed, filter effect is influenced.
The utility model is further arranged to: the positive stop lug boss is provided with the second sealing close to the side of the second connecting tube
Circle.
By using above-mentioned technical proposal, fitting closely for positive stop lug boss and filter assemblies is realized, and be set to support plate
The first sealing ring cooperation between filter assemblies, improves the leakproofness that connect with filter assemblies of connector, prevent desorbed solution from
Gap outflow between filter assemblies and connector, influences filter effect.
The utility model is further arranged to: is provided between first connecting tube and second connecting tube for solid
The engaging component of fixed first connecting tube and the second connecting tube.
By using above-mentioned technical proposal, being sealedly and fixedly connected between the first connecting tube and the second connecting tube is realized.
The utility model is further arranged to: the engaging component includes the limited block for being set to the first connecting tube lateral wall
With the limit plate for being set to the second connecting tube lateral wall, the limited block offers limit compatible with the limit plate
Groove.
By using above-mentioned technical proposal, the limiting groove on limited block is matched with limit plate, realizes the first connecting tube
With the fixation between the second connecting tube.
In conclusion the utility model has the following beneficial effects:
1. the both ends of connector are connected with the bottleneck of the sample injection bottle for containing desorbed solution to be filtered and empty sample injection bottle respectively
It connects, the both ends of connector and the bottleneck of sample injection bottle are connected through a screw thread, easy to operate, and good airproof performance, not easy-to-leak liquid；Connector
Filter assemblies are inside provided with, desorbed solution to be filtered flows into connector, the filter assemblies filtering being arranged in connector, after filtering
Desorbed solution flow into empty sample injection bottle and separate connector and sample injection bottle after liquid filtering completely to be resolved, do not need by
Desorbed solution carries out secondary transferring, which is simple and convenient to operate, is easy to filter.
2. the first connecting tube and the second connecting tube are hinged, and filter assemblies are detachably connected with the second connecting tube, are facilitated
Filter the installation and replacement of component.
3. the first sealing ring and the second sealing ring cooperate, the leakproofness that connector is connect with filter assemblies is improved, prevents from solving
Gap outflow of the liquid between filter assemblies and connector is analysed, filter effect is influenced.
Detailed description of the invention
Fig. 1 is structural schematic diagram when embodiment connect use with sample injection bottle；
Fig. 2 is the enlarged drawing in the portion A in Fig. 1；
Fig. 3 is schematic diagram when embodiment is opened；
Fig. 4 is embodiment perspective view of the explosion；
Fig. 5 is filter assemblies longitudinal sectional view.
In figure, 1, connector；11, the first connecting tube；111, limited block；112, positive stop lug boss；113, the second sealing ring；
12, the second connecting tube；121, limit plate；122, support plate；123, the first sealing ring；2, internal screw thread；3, filter assemblies；31, pacify
Loading board；32, the first filter plate；33, the second filter plate；4, sample injection bottle.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment, 4 filter device of sample injection bottle, in conjunction with shown in Fig. 1 and Fig. 3, including the connection for connecting two sample injection bottles 4
Part 1, connector 1 are hollow cylindrical-shaped structure.The both ends of connector 1 are respectively arranged with the external screw thread phase with 4 bottleneck of sample injection bottle
The both ends of the internal screw thread 2 of adaptation, connector 1 are connect with 4 whorl of bottleneck of sample injection bottle, are connect for improving connector 1 with sample injection bottle 4
When leakproofness.
Shown in knot and Fig. 3 and Fig. 4, connector 1 includes the first connecting tube 11 and the second connecting tube 12, the first connecting tube 11 with
The outer diameter of second connecting tube 12 is equal, and the first connecting tube 11 is fastened on second connecting tube 12.The one of first connecting tube 11
End and one end of the second connecting tube 12 are rotatablely connected by shaft, and are provided between the first connecting tube 11 and the second connecting tube 12
For fixing the engaging component of 12 relative position of the first connecting tube 11 and the second connecting tube.
Referring to figs. 1 and 2, engaging component includes 111 He of limited block for being set to 11 1 lateral wall of the first connecting tube
It is set to the limit plate 121 of 12 lateral wall of the second connecting tube.Limited block 111 is L-type, and the short side of limited block 111 is vertically located in
The axis of first connecting tube 11, the long side end of limited block 111 are parallel to the axis of the first connecting tube 11, and the length of limited block 111
Side end the second connecting tube 12 of direction；Limit plate 121 perpendicular to the second connecting tube 12 axis and with the long side end phase of limited block 111
It contradicts.The inner surface of the long side end of limited block 111 offers limiting groove compatible with limit plate 121, and limit plate 121 can contradict
To limiting groove.When the first connecting tube 11 and the second connecting tube 12 fasten, pressure of the limit plate 121 by limited block 111,
Limit plate 121 can be abutted to limiting groove under pressure, realize limit function, realize that the first connecting tube 11 and second connects
Fixation between adapter tube 12.In order to increase the leakproofness connected between the first connecting tube 11 and the second connecting tube 12, the first connection
Pipe 11 and 12 junction of the second connecting tube are respectively arranged with seal washer (not shown).
In conjunction with shown in Fig. 3 and Fig. 4, it is installed with a support plate 122 in the second connecting tube 12, is offered in support plate 122 more
A through-hole places filter assemblies 3 in support plate 122, and the first sealing ring 123 is arranged between filter assemblies 3 and support plate 122,
First sealing ring 123 is fitted closely with support plate 122 and filter assemblies 3.First connecting tube 11 is close to second connecting tube 12
The inner wall of one end be provided with positive stop lug boss 112, positive stop lug boss 112 is provided with the second sealing close to the side of the second connecting tube 12
Circle 113, when the first connecting tube 11 and the second connecting tube 12 fastening, positive stop lug boss 112 can be contradicted to 3 upper surface of filter assemblies.
In conjunction with shown in Fig. 4 and Fig. 5, filter assemblies 3 include the first filter plate 32, the second filter plate 33 and for installing the
The mounting plate 31 of one filter plate 32 and the second filter plate 33.Mounting plate 31 is hollow structure, and the both ends of mounting plate 31 are respectively set
There is step, the first filter plate 32 and the second filter plate 33 are adhered to respectively on the step at 31 both ends of mounting plate, pass through the second connection
The fiber boss in support plate 122 and the first connecting tube 11 in pipe 12 further limits, and prevents filter plate from deviating from mounting plate 31.
It is provided with the first filter membrane on first filter plate 32, is provided with the second filter membrane on the second filter plate 33.
The use principle of the utility model is as follows:
When being filtered with 4 filter device of sample injection bottle to the mixture of desorbed solution and active carbon in sample injection bottle 4, need
One end of first connecting tube 11 of connector 1 or the second connecting tube 12 is connect with 4 whorl of bottleneck of sample injection bottle, it at this time will be another
One empty 4 bottleneck of sample injection bottle is connect with threaded one end in the second connecting tube 12 or the first connecting tube 11, and desorbed solution and work will be housed
Property charcoal the sample injection bottle 4 of mixture and the sample injection bottle 4 of sky be placed upside down, desorbed solution flows into empty sample injection bottle by filter assemblies 3
4。
When needing that filter assemblies 3 are cleaned, replaced, first to limited block 111 apply pulling force, by limited block 111 with
Limit plate 121 separates, and can separate the first connecting tube 11 with the second connecting tube 12, at this time can connect filter assemblies 3 from second
It is taken out in pipe 12, convenient for clearing up filter assemblies 3.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. sample injection bottle filter device, it is characterised in that: including the connector (1) for connecting two sample injection bottles (4), the connection
Part (1) is hollow structure, is provided with filter assemblies (3) in the connector (1), the both ends of the connector (1) are respectively set
There are internal screw thread (2) compatible with the external screw thread of sample injection bottle (4) bottleneck, the both ends of the connector (1) and sample injection bottle (4) screw thread
Connection.
2. sample injection bottle filter device according to claim 1, it is characterised in that: the connector (1) includes the first connection
Manage (11) and second connecting tube (12) hinged with the first connecting tube (11) one end, first connecting tube (11) it is outer through phase
Deng, and first connecting tube (11) is fastened on second connecting tube (12), first connecting tube (11) and described second
Connecting tube (12) fixed seal connection, second connecting tube (12) is interior to be installed with a support plate (122), the support plate
(122) multiple through-holes are offered on, the filter assemblies (3) are set on the support plate (122), and the filter assemblies
(3) it is detachably connected with second connecting tube (12).
3. sample injection bottle filter device according to claim 2, it is characterised in that: first connecting tube (11) is close to described
The inner wall of one end of the second connecting tube (12) is provided with positive stop lug boss (112).
4. sample injection bottle filter device according to claim 2, it is characterised in that: the filter assemblies (3) include the first mistake
Filter plate (32), the second filter plate (33) and the mounting plate for installing the first filter plate (32) and the second filter plate (33)
(31), the mounting plate (31) is hollow structure, and first filter plate (32) and the second filter plate (33) are respectively arranged in institute
The two sides of mounting plate (31) are stated, are provided with the first filter membrane on first filter plate (32), on second filter plate (33)
It is provided with the second filter membrane.
5. sample injection bottle filter device according to claim 2, it is characterised in that: the filter assemblies (3) and the support
It is provided between plate (122) the first sealing ring (123), first sealing ring (123) and the filter assemblies (3) and support plate
(122) it fits closely.
6. sample injection bottle filter device according to claim 3, it is characterised in that: the positive stop lug boss (112) is close to second
The side of connecting tube (12) is provided with the second sealing ring (113).
7. sample injection bottle filter device according to claim 2, it is characterised in that: first connecting tube (11) and described the
The engaging component for fixing the first connecting tube (11) with the second connecting tube (12) is provided between two connecting tubes (12).
8. sample injection bottle filter device according to claim 7, it is characterised in that: the engaging component includes being set to first
The limited block (111) of connecting tube (11) lateral wall and the limit plate (121) for being set to the second connecting tube (12) lateral wall, institute
It states limited block (111) and offers the compatible limiting groove with the limit plate (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821568973.5U CN208905959U (en) | 2018-09-25 | 2018-09-25 | Sample injection bottle filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821568973.5U CN208905959U (en) | 2018-09-25 | 2018-09-25 | Sample injection bottle filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208905959U true CN208905959U (en) | 2019-05-28 |
Family
ID=66613855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821568973.5U Active CN208905959U (en) | 2018-09-25 | 2018-09-25 | Sample injection bottle filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208905959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI773046B (en) * | 2019-12-23 | 2022-08-01 | 美商恩特葛瑞斯股份有限公司 | Filter life indicator media and holder and method of evaluating filter |
-
2018
- 2018-09-25 CN CN201821568973.5U patent/CN208905959U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI773046B (en) * | 2019-12-23 | 2022-08-01 | 美商恩特葛瑞斯股份有限公司 | Filter life indicator media and holder and method of evaluating filter |
| US11679385B2 (en) | 2019-12-23 | 2023-06-20 | Entegris, Inc. | Filter life indicator media and holder |
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