CN207730711U - A kind of follow-on needle-based Solid Phase Extraction filter - Google Patents

A kind of follow-on needle-based Solid Phase Extraction filter Download PDF

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Publication number
CN207730711U
CN207730711U CN201721873966.1U CN201721873966U CN207730711U CN 207730711 U CN207730711 U CN 207730711U CN 201721873966 U CN201721873966 U CN 201721873966U CN 207730711 U CN207730711 U CN 207730711U
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CN
China
Prior art keywords
tube
needle
solid phase
follow
phase extraction
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Expired - Fee Related
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CN201721873966.1U
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Chinese (zh)
Inventor
李成伟
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Tianjin Cent Technology Co Ltd
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Tianjin Cent Technology Co Ltd
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Priority to CN201721873966.1U priority Critical patent/CN207730711U/en
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Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of follow-on needle-based Solid Phase Extraction filter, including push plate, push rod, secondary through holes, extracting tube, power plate, graduated scale structure, connecting block structure, needle head structure, connecting pipe structure and primary seal rubber cushion.The utility model fixes the setting of disk and syringe needle disk, is conducive to the cleaning of filter membrane, filter membrane can be replaced after being finished, is avoided waste;Block body is connected, the setting of insertion pipe and second recess is conducive to syringe needle connecting tube, fixed disk, syringe needle disk, the replacement of filter membrane and spike body;Syringe needle connecting tube, fixed disk, syringe needle disk, the setting of filter membrane and spike body are conducive to draw different substances when work, improve working efficiency;The setting of secondary seal pad is conducive to play the role of sealing when work;Tube body, the setting of spring and steel ball is supported to be conducive to reinforce the tightness between the lower end and first recess of connection tube body.

Description

A kind of follow-on needle-based Solid Phase Extraction filter
Technical field
The utility model belongs to substance separation technology field more particularly to a kind of follow-on needle-based Solid Phase Extraction filtering Device.
Background technology
Sample pre-treatments before chromatography are most important steps, and Solid Phase Extraction is highly important method at present, Target components enrichment method can be achieved the purpose that Sample Purification on Single.Compared with traditional liquid-liquid extraction, the rate of recovery can be improved, more have Effect ground detaches target components with impurity chaff interferent, is widely used in the fields such as medicine, food, environment, chemical industry.Extract through solid phase Take the component of elution need to remove bulky grain be allowed for access the analytical instrument such as liquid chromatogram detection and analysis.Filter membrane separation is in biology, change The application for learning analysis field is the most noticeable.Structure of pinhead type filter is simple, of low cost, and good filtration effect, general All over strong applicability, it is widely used in the lab, the filtration treatment device as small samples.
China Patent Publication No. is CN106124645A, and invention and created name is a kind of Solid Phase Extraction filter, including shell The syringe nipple interface being connected with housing cavity and pintle interface is respectively set in the both sides up and down of shell in body;In shell Upper sieve plate, solid phase extraction filler, lower sieve plate and filter membrane are set gradually in inner cavity from top to bottom;Divide on the upper sieve plate and lower sieve plate Not She You aperture be 95~105 μm of sieve pore.But existing Solid Phase Extraction filter is there is also being inconvenient to clean, after being finished Inconvenient problem when excessively wasting and work.
Therefore, a kind of follow-on needle-based Solid Phase Extraction filter of invention is very necessary.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of follow-on needle-based Solid Phase Extraction filter, It is inconvenient when excessively wasting and work after being finished to ask to solve existing Solid Phase Extraction filter there is being inconvenient to clean Topic.A kind of follow-on needle-based Solid Phase Extraction filter, including push plate, push rod, secondary through holes, extracting tube, power plate, scale Ruler structure, connecting block structure, needle head structure, connecting pipe structure and primary seal rubber cushion, the upper end of the push rod, which is welded on, to push away The lower end centre position of plate, the secondary through holes are opened in the upper end centre position of extracting tube, the lower end weldering of the push rod It is connected on the upper end centre position of power plate, the graduated scale structure is mounted on the front surface position of extracting tube, the connection Pipe structure is mounted on the lower end centre position of extracting tube, and the primary seal rubber cushion is glued to the lower end position of power plate, institute The power plate stated is plugged on the interior lower end position of extracting tube, and the push rod is by secondary through holes through the upper end of extracting tube position It sets, the connecting block structure is mounted on the lower end position of connecting pipe structure, and the needle head structure is mounted on connecting block structure Lower end position, the connecting block structure includes connection block body, level-one through-hole, insertion pipe, first recess and second recess, The insertion pipe is glued to the lower end centre position of connection block body, and the level-one through-hole is opened in the upper of connection block body Leftward position and right positions are held, the first recess is opened in the interior lower end centre position of connection block body, described Second recess is opened in inside left position and the right positions of connection block body respectively, and insertion pipe setting is recessed in level-one The lower end position of slot.
Preferably, the connecting pipe structure includes connecting tube body, fixed block, secondary seal pad and supporting tube structure, The fixed block is glued to the middle lower portion position of connection tube body, and the secondary seal pad is glued to connection tube body Lower end position, the supporting tube structure are glued the upper end leftward position and right positions of fixed block, the connection tube body Lower end run through the centre position of fixed block, the fixed block, which slides, is connected to the interior location of second recess, the branch The lower end position in level-one through-hole is arranged in bracing tube structure.
Preferably, the supporting tube structure includes supporting tube body, spring and steel ball, the support tube body Lower end is glued to fixed block upper end leftward position and right positions respectively, and the spring is plugged on the interior position of support tube body It sets, the steel ball is plugged on the upper end interior location of support tube body by spring.
Preferably, the needle head structure includes syringe needle connecting tube, fixed disk, syringe needle disk, filter membrane and spike body, institute The lower end for the syringe needle connecting tube stated is glued to the upper end centre position of fixed disk, and the lower thread of the fixation disk is connected to needle The upper end interior location of cephalic disc, the filter membrane are placed on the lower end bosom position of fixed disk, the spike body Upper end be glued to the lower end centre position of syringe needle disk, the upper end of the syringe needle connecting tube is plugged on the lower end position of insertion pipe It sets.
Preferably, the graduated scale structure includes graduated scale ontology, windowpane and graduation mark, and the windowpane is inlayed In the centre position of graduated scale ontology, the graduation mark portrays the front surface leftward position and right lateral position in graduated scale ontology It sets, the graduated scale ontology is embedded in the front surface centre position of extracting tube.
Preferably, the push rod specifically uses stainless steel.
Preferably, the extracting tube specifically uses stainless steel tube.
Preferably, the connection tube body specifically uses stainless steel tube.
Preferably, the steel ball specifically uses stainless steel ball.
Preferably, the support tube body specifically uses stainless steel tube.
Preferably, the spring specifically uses stainless steel spring.
Compared with prior art, the beneficial effects of the utility model are:
1. in the utility model, the setting of the fixation disk and syringe needle disk is conducive to the cleaning of filter membrane, can after being finished To replace filter membrane, avoid waste.
2. in the utility model, the connection block body, the setting of insertion pipe and second recess is conducive to syringe needle connection Pipe, fixed disk, syringe needle disk, the replacement of filter membrane and spike body.
3. in the utility model, the syringe needle connecting tube, fixed disk, syringe needle disk, the setting of filter membrane and spike body, Be conducive to draw different substances when work, improve working efficiency.
4. in the utility model, the setting of the secondary seal pad is conducive to play the role of sealing when work.
5. in the utility model, the support tube body, the setting of spring and steel ball is conducive to reinforce connecting tube sheet Tightness between the lower end and first recess of body.
6. in the utility model, the graduated scale ontology, the setting of windowpane and graduation mark, when being conducive to work according to quantity It draws.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the connecting block structure of the utility model and the structural schematic diagram of connecting pipe structure.
Fig. 3 is the structural schematic diagram of the needle head structure of the utility model.
Fig. 4 is the structural schematic diagram of the graduated scale structure of the utility model.
Fig. 5 is the structural schematic diagram of the supporting tube structure of the utility model.
In figure:
1, push plate;2, push rod;3, secondary through holes;4, extracting tube;5, power plate;6, graduated scale structure;61, graduated scale sheet Body;62, windowpane;63, graduation mark;7, connecting block structure;71, block body is connected;72, level-one through-hole;73, insertion pipe;74, one Grade groove;75, second recess;8, needle head structure;81, syringe needle connecting tube;82, fixed disk;83, syringe needle disk;84, filter membrane;85、 Spike body;9, connecting pipe structure;91, tube body is connected;92, fixed block;93, secondary seal pad;94, supporting tube structure; 941, tube body is supported;942, spring;943, steel ball;10, primary seal rubber cushion.
Specific implementation mode
The utility model is described further below in conjunction with attached drawing:
Embodiment:
As shown in attached drawing 1 to attached drawing 4
The utility model provides a kind of follow-on needle-based Solid Phase Extraction filter, including push plate 1, push rod 2, and two level is led to Hole 3, extracting tube 4, power plate 5, graduated scale structure 6, connecting block structure 7, needle head structure 8, connecting pipe structure 9 and primary seal glue The upper end of pad 10, the push rod 2 is welded on the lower end centre position of push plate 1, and the secondary through holes 3 are opened in extracting tube 4 Upper end centre position, the lower end of the push rod 2 is welded on the upper end centre position of power plate 5, the graduated scale structure 6 Mounted on the front surface position of extracting tube 4, the connecting pipe structure 9 is mounted on the lower end centre position of extracting tube 4, described Primary seal rubber cushion 10 is glued to the lower end position of power plate 5, and the power plate 5 is plugged on the interior lower end position of extracting tube 4 It sets, the push rod 2 runs through the upper end position of extracting tube 4 by secondary through holes 3, and the connecting block structure 7 is mounted on connection The lower end position of pipe structure 9, the needle head structure 8 are mounted on the lower end position of connecting block structure 7, the connecting block structure 7 include connection block body 71, level-one through-hole 72, insertion pipe 73, first recess 74 and second recess 75,73 glue of insertion pipe It is connected on the lower end centre position of connection block body 71, the level-one through-hole 72 is opened in the upper end left lateral position of connection block body 71 It sets and right positions, the first recess 74 is opened in the interior lower end centre position of connection block body 71, the two level Groove 75 is opened in inside left position and the right positions of connection block body 71 respectively, and the insertion pipe 73 is arranged in level-one The lower end position of groove 74.
In above-described embodiment, specifically, the connecting pipe structure 9 includes connection tube body 91, fixed block 92, two level is close Packing 93 and supporting tube structure 94, the fixed block 92 be glued to connection tube body 91 middle lower portion position, described two Grade gasket 93 is glued to the lower end position of connection tube body 91, and the upper end that the supporting tube structure 94 is glued fixed block 92 is left The centre position of fixed block 92, the fixed block are run through in the lower end of side position and right positions, the connection tube body 91 92 slidings are connected to the interior location of second recess 75, and the supporting tube structure 94 is arranged in the lower end of level-one through-hole 72 position It sets.
In above-described embodiment, specifically, the supporting tube structure 94 includes support tube body 941, spring 942 and steel ball The lower end of ball 943, the support tube body 941 is glued to 92 upper end leftward position of fixed block and right positions respectively, described Spring 942 be plugged on the interior location of support tube body 941, the steel ball 943 is plugged on support tube by spring 942 The upper end interior location of ontology 941.
In above-described embodiment, specifically, the needle head structure 8 includes syringe needle connecting tube 81, fixed disk 82, syringe needle disk 83, filter membrane 84 and spike body 85, the lower end of the syringe needle connecting tube 81 are glued to the upper end centre position of fixed disk 82, The lower thread of the fixation disk 82 is connected to the upper end interior location of syringe needle disk 83, and the filter membrane 84 is placed on fixation The upper end of the lower end bosom position of disk 82, the spike body 85 is glued to the lower end centre position of syringe needle disk 83, institute The upper end for the syringe needle connecting tube 81 stated is plugged on the lower end position of insertion pipe 73.
In above-described embodiment, specifically, the graduated scale structure 6 includes graduated scale ontology 61, windowpane 62 and scale Line 63, the windowpane 62 are embedded in the centre position of graduated scale ontology 61, and the graduation mark 63 is portrayed in graduated scale sheet The front surface leftward position and right positions of body 61, the graduated scale ontology 61 are embedded in the front surface interposition of extracting tube 4 It sets.
In above-described embodiment, specifically, the push rod 2 specifically uses stainless steel.
In above-described embodiment, specifically, the extracting tube 4 specifically uses stainless steel tube.
In above-described embodiment, specifically, the connection tube body 91 specifically uses stainless steel tube.
In above-described embodiment, specifically, the steel ball 943 specifically uses stainless steel ball.
In above-described embodiment, specifically, the support tube body 941 specifically uses stainless steel tube.
In above-described embodiment, specifically, the spring 942 specifically uses stainless steel spring.
Operation principle
In the utility model, in use, connecting pipe structure 9 is recessed mounted on second recess 75 and two level by fixed block 92 The lower end for connecting tube body 91 is placed on the upper end position of first recess 74, by syringe needle connecting tube 81 by the position between slot 75 Upper end position be plugged on the lower end position of insertion pipe 73, filter membrane 84 is placed into the inside of fixed disk 82, will fixed disk 82 It is threadedly coupled with syringe needle disk 83, spike body 85 is placed into the position of work, push plate 1 is pulled to drive power by push rod 2 Plate 5 realizes the absorption work of extracting tube 4, to complete filtration.
Using technical solution described in the utility model or those skilled in the art in technical solutions of the utility model Under inspiration, similar technical solution is designed, and reaches above-mentioned technique effect, is the protection model for falling into the utility model It encloses.

Claims (9)

1. a kind of follow-on needle-based Solid Phase Extraction filter, which is characterized in that follow-on needle-based Solid Phase Extraction mistake Filter includes push plate(1), push rod(2), secondary through holes(3), extracting tube(4), power plate(5), graduated scale structure(6), link block Structure(7), needle head structure(8), connecting pipe structure(9)With primary seal rubber cushion(10), the push rod(2)Upper end be welded on Push plate(1)Lower end centre position, the secondary through holes(3)It is opened in extracting tube(4)Upper end centre position, described pushes away Bar(2)Lower end be welded on power plate(5)Upper end centre position, the graduated scale structure(6)Mounted on extracting tube(4)'s Front surface position, the connecting pipe structure(9)Mounted on extracting tube(4)Lower end centre position, the primary seal glue Pad(10)It is glued to power plate(5)Lower end position, the power plate(5)It is plugged on extracting tube(4)Interior lower end position, The push rod(2)Pass through secondary through holes(3)Through extracting tube(4)Upper end position, the connecting block structure(7)It is mounted on Connecting pipe structure(9)Lower end position, the needle head structure(8)Mounted on connecting block structure(7)Lower end position, it is described Connecting block structure(7)Including connecting block body(71), level-one through-hole(72), insertion pipe(73), first recess(74)It is recessed with two level Slot(75), the insertion pipe(73)It is glued to connection block body(71)Lower end centre position, the level-one through-hole(72) It is opened in connection block body(71)Upper end leftward position and right positions, the first recess(74)It is opened in link block sheet Body(71)Interior lower end centre position, the second recess(75)It is opened in connection block body respectively(71)Inside left Position and right positions, the insertion pipe(73)It is arranged in first recess(74)Lower end position.
2. follow-on needle-based Solid Phase Extraction filter as described in claim 1, which is characterized in that the connecting tube knot Structure(9)Including connecting tube body(91), fixed block(92), secondary seal pad(93)And supporting tube structure(94), the fixation Block(92)It is glued to connection tube body(91)Middle lower portion position, the secondary seal pad(93)It is glued to connection tube body (91)Lower end position, the supporting tube structure(94)It is glued fixed block(92)Upper end leftward position and right positions, institute The connection tube body stated(91)Lower end run through fixed block(92)Centre position, the fixed block(92)Sliding is connected to two Grade groove(75)Interior location, the supporting tube structure(94)It is arranged in level-one through-hole(72)Lower end position.
3. follow-on needle-based Solid Phase Extraction filter as claimed in claim 2, which is characterized in that the support tube knot Structure(94)Including supporting tube body(941), spring(942)And steel ball(943), the support tube body(941)Lower end It is glued to fixed block respectively(92)Upper end leftward position and right positions, the spring(942)It is plugged on support tube body (941)Interior location, the steel ball(943)Pass through spring(942)It is plugged on support tube body(941)Upper end inside Position.
4. follow-on needle-based Solid Phase Extraction filter as described in claim 1, which is characterized in that the needle head structure (8)Including syringe needle connecting tube(81), fixed disk(82), syringe needle disk(83), filter membrane(84)And spike body(85), the needle Head connecting tube(81)Lower end be glued to fixed disk(82)Upper end centre position, the fixation disk(82)Lower thread connect It is connected on syringe needle disk(83)Upper end interior location, the filter membrane(84)It is placed on fixed disk(82)Lower end bosom position It sets, the spike body(85)Upper end be glued to syringe needle disk(83)Lower end centre position, the syringe needle connecting tube (81)Upper end be plugged on insertion pipe(73)Lower end position.
5. follow-on needle-based Solid Phase Extraction filter as described in claim 1, which is characterized in that the graduated scale knot Structure(6)Including graduated scale ontology(61), windowpane(62)And graduation mark(63), the windowpane(62)It is embedded in graduated scale sheet Body(61)Centre position, the graduation mark(63)It portrays in graduated scale ontology(61)Front surface leftward position and right lateral position It sets, the graduated scale ontology(61)It is embedded in extracting tube(4)Front surface centre position.
6. follow-on needle-based Solid Phase Extraction filter as described in claim 1, which is characterized in that the push rod(2) Specifically use stainless steel.
7. follow-on needle-based Solid Phase Extraction filter as described in claim 1, which is characterized in that the extracting tube (4)Specifically use stainless steel tube.
8. follow-on needle-based Solid Phase Extraction filter as claimed in claim 2, which is characterized in that the connecting tube sheet Body(91)Specifically use stainless steel tube.
9. follow-on needle-based Solid Phase Extraction filter as claimed in claim 3, which is characterized in that the steel ball (943)Specifically use stainless steel ball.
CN201721873966.1U 2017-12-28 2017-12-28 A kind of follow-on needle-based Solid Phase Extraction filter Expired - Fee Related CN207730711U (en)

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Application Number Priority Date Filing Date Title
CN201721873966.1U CN207730711U (en) 2017-12-28 2017-12-28 A kind of follow-on needle-based Solid Phase Extraction filter

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Application Number Priority Date Filing Date Title
CN201721873966.1U CN207730711U (en) 2017-12-28 2017-12-28 A kind of follow-on needle-based Solid Phase Extraction filter

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CN207730711U true CN207730711U (en) 2018-08-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112168689A (en) * 2020-10-19 2021-01-05 杭州哈慈实业有限公司 Five-element needle convenient for replacing clamping rings with different sizes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112168689A (en) * 2020-10-19 2021-01-05 杭州哈慈实业有限公司 Five-element needle convenient for replacing clamping rings with different sizes

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20180814

Termination date: 20181228