CN206152401U - Solid -phase extraction pressure device - Google Patents
Solid -phase extraction pressure device Download PDFInfo
- Publication number
- CN206152401U CN206152401U CN201621051477.3U CN201621051477U CN206152401U CN 206152401 U CN206152401 U CN 206152401U CN 201621051477 U CN201621051477 U CN 201621051477U CN 206152401 U CN206152401 U CN 206152401U
- Authority
- CN
- China
- Prior art keywords
- outlet sleeve
- leading screw
- mounting seat
- phase extraction
- piston
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a solid -phase extraction pressure device, include: the slip table, all be provided with a piston in every outlet sleeve on the support on the slip table, all form a pressurization chamber between the blind end of every piston and the outlet sleeve that corresponds, the equal fixed mounting in outer end of the piston rod on every piston is on the mount pad, the blind end of every outlet sleeve all is connected with a trachea, every tracheal one end all is linked together with the pressurization chamber that corresponds, the other end all is used for being linked together with solid phase extraction column, slip driving mechanism on the mount pad can order about every outlet sleeve round trip movement outside corresponding piston and piston rod on the support, thereby can order about the volume in pressurization chamber in every outlet sleeve reduces gradually or is crescent, when the volume in every pressurization chamber reduces gradually, the gaseous homoenergetic of every pressurization intracavity is extrudeed to the solid phase extraction column in. The utility model has the advantages of: convenient to use, can accelerate experiment speed to can improve the experiment precision.
Description
Technical field
The utility model is related to solid phase extraction techniques field in laboratory.
Background technology
SPE is a Sample Pretreatment Technique, in the experiment of the multiple fields such as food inspection, environmental analysis, pharmacy
In be widely used.Need to use solid phase extraction column, solid phase extraction column that there is upper port and lower end in solid phase extraction manipulations
Mouthful, filler is provided with solid phase extraction column.In solid phase extraction manipulations, it is little that sample solution is transferred to the SPE for having activated
In post, sample solution is flowed out after filler from the lower port of solid phase extraction column.
In sample pretreatment process, laboratory worker is frequently encountered following technical problem：First, sample solution exists
Mistake liquid speed degree in solid phase extraction column is slow；2nd, cannot mistake liquid speed of the precise control sample solution in solid phase extraction column
Degree；3rd, when the multiple solid phase extraction columns of same sample solution point carry out SPE, it is impossible to guarantee all solid phase extraction columns
Cross liquid speed degree consistent.Above-mentioned technical problem not only affects the convenience of experimental implementation, and toward contact the essence of experimental result can be affected
Parasexuality.
Utility model content
The utility model technical issues that need to address are：There is provided one kind can accelerate liquid speed degree and can cause multiple
The SPE pressue device that the mistake liquid speed degree of solid phase extraction column is consistent.
To solve the above problems, the technical solution adopted in the utility model is：SPE pressue device, including：Install
Seat, is movably set with slide unit in mounting seat, bearing is installed with slide unit, some levels is provided with bearing and is parallel to each other
Outlet sleeve, one end of each outlet sleeve is open, the other end is closed, and a work is provided with each outlet sleeve
Plug, is respectively formed a closed pressurizing chamber between each piston and the blind end of corresponding outlet sleeve, each piston is with one
Root piston rod is fixedly connected, and peace is stretched out and be fixedly mounted in the outer end of every piston rod from the openend of corresponding outlet sleeve
On dress seat, the blind end of each outlet sleeve is respectively connected with a tracheae, one end of every tracheae with corresponding pressurizing chamber phase
Connection, the other end are used to be connected with a solid phase extraction column equipped with sample solution, and sliding is additionally provided with mounting seat
Drive mechanism, sliding drive mechanism can drive slide unit to slidably reciprocate in mounting seat, and then order about each pressure cuffs on bearing
Pipe moves back and forth outside corresponding piston and piston rod, so as to order about each outlet sleeve in the volume of pressurizing chamber be gradually reduced
Or gradually increase, when the volume of each pressurizing chamber is gradually reduced, the gas in each pressurizing chamber can be extruded into and pressurization
In the solid phase extraction column of chamber correspondence connection, so as to the sample solution given in solid phase extraction column pressurizes.
Further, aforesaid SPE pressue device, wherein, the structure of bearing includes：Support body, support body
Two ends be respectively arranged with gripper shoe, some open-topped draw-in grooves are respectively provided with the gripper shoe often held, in the gripper shoe at two ends
Draw-in groove correspond, the two ends of every outlet sleeve are respectively fastened in a pair of corresponding draw-in grooves；Every outlet sleeve
The two ends of outer wall are respectively arranged with retainer, the retainer at every outlet sleeve two ends respectively gripper shoe of the block at two ends
Outward.
Further, aforesaid SPE pressue device, wherein, the structure of sliding drive mechanism includes：In mounting seat
Leading screw is provided with, nut is provided with leading screw, the two ends of leading screw are distinguished in bearing block of the expansion bearing in mounting seat, leading screw
One end is connected with the output shaft of motor, and slide unit is connected with nut, motor can drive leading screw in bearing block forward or backwards
Rotate, so as to drive the nut on leading screw to drive slide unit to move back and forth in mounting seat.
Further, aforesaid SPE pressue device, wherein, it is respectively arranged with one in the mounting seat of leading screw both sides
Root directive slide track, every directive slide track is arranged each parallel to leading screw, the bottom of slide unit be provided with respectively with two directive slide track phases
The guide chute of cooperation, leading screw rotate can drive nut drive the guide chute of slide unit bottom on corresponding directive slide track back and forth
Slide.
Yet further, aforesaid SPE pressue device, wherein, described leading screw is ball-screw.
Yet further, aforesaid SPE pressue device, wherein, described motor is servo deceleration motor, leading screw
One end stretch out and be connected with the output shaft of servo deceleration motor by shaft coupling after corresponding bearing block.
The utility model has the advantages that：First, the sample solution in each solid phase extraction column can be pressurizeed so that each is consolidated
Mutually the sample solution in extraction pillar can flow out quickly through the filler in solid phase extraction column, so as to greatly accelerate experiment
Progress.2nd, a solid phase extraction column can be pressurizeed, it is also possible to which multiple solid phase extraction columns are pressurizeed simultaneously,
It is very convenient to use.3rd, multiple solid phase extraction columns of same sample solution can simultaneously be pressurizeed so that Duo Gegu
Mutually the mistake liquid speed degree of the sample solution in extraction pillar is consistent, so as to substantially increase the precision of experiment.4th, structure letter
It is single, with low cost, easy to operate.
Description of the drawings
Fig. 1 is the structural representation of SPE pressue device described in the utility model.
Fig. 2 is the structural representation of A-A section view directions in Fig. 1.
Fig. 3 is the structural representation of the support shown in Fig. 1 overlook directions.
Fig. 4 is the structural representation in Fig. 3 left views direction.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail with preferred embodiment.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, SPE pressue device, including：Mounting seat 1, activity in mounting seat 1 is arranged
There is slide unit 2, bearing 3 is installed with slide unit 2, some levels and the outlet sleeve 4 being parallel to each other are installed on bearing 3.Plus
The quantity of gland pipe 4 can need concrete setting according to experiment.In the present embodiment, the structure of bearing 3 includes：Support body 31,
The two ends of support body 31 are respectively arranged with gripper shoe 32, and some open-topped draw-in grooves are respectively provided with the gripper shoe 32 often held
321, the draw-in groove 321 in the gripper shoe 32 at two ends is corresponded, and the two ends of every outlet sleeve 4 are respectively fastened on corresponding
In a pair of draw-in grooves 321.The two ends of the every outer wall of outlet sleeve 4 are respectively provided with retainer 44, the block at the every two ends of outlet sleeve 4
Portion 44 respectively block outside the gripper shoe 32 at two ends.
One end of each outlet sleeve 4 is open, the other end is closed.A work is provided with each outlet sleeve 4
Plug 41, is respectively formed a closed pressurizing chamber 42, each piston between each piston 41 and the blind end of corresponding outlet sleeve 4
41 are fixedly connected with a piston rod 43, and the openend of the outer end of every piston rod 43 from corresponding outlet sleeve 4 is stretched out
And be fixedly mounted in mounting seat 1.The blind end of each outlet sleeve 4 is respectively connected with a tracheae 5.One end of every tracheae 5
It is connected with corresponding pressurizing chamber 42, the other end is used to the closed company of solid phase extraction column equipped with sample solution with
It is logical.Sliding drive mechanism is additionally provided with mounting seat 1, sliding drive mechanism can drive slide unit 2 to slidably reciprocate in mounting seat 1,
It is every so as to order about and then each outlet sleeve 4 ordered about on bearing 3 moves back and forth outside corresponding piston 41 and piston rod 43
The volume of pressurizing chamber 42 is gradually reduced or gradually increases in individual outlet sleeve 4, when the volume of each pressurizing chamber 42 is gradually reduced,
Gas in each pressurizing chamber 42 can be extruded in the solid phase extraction column of connection corresponding with pressurizing chamber 42, so as to extract to solid phase
Take the sample solution pressurization in pillar.
Specifically, the structure of the sliding drive mechanism described in the present embodiment includes：Leading screw 6, institute are provided with mounting seat 1
The leading screw 6 stated is ball-screw, and nut 7 is provided with leading screw 6, and axle of the expansion bearing in mounting seat 1 is distinguished at the two ends of leading screw 6
In bearing 11, one end of leading screw 6 is connected with the output shaft of motor 8, and slide unit 2 is connected with nut 7, and motor 8 can drive leading screw 6
Rotate forward or backwards in bearing block 11, so as to drive the nut 7 on leading screw 6 to drive slide unit 2 in mounting seat 1 to move back
It is dynamic.For the ease of automatically controlling, described motor 8 adopts servo deceleration motor, and corresponding bearing block 11 is stretched out in one end of leading screw 6
It is connected with the output shaft of servo deceleration motor by shaft coupling 13 afterwards.For stablizing of improving that slide unit 2 runs in mounting seat 1
Property, a directive slide track 12 is respectively arranged with the present embodiment in the mounting seat 1 of the both sides of leading screw 6, every directive slide track 12 is put down
Row is arranged in leading screw 6, and the bottom of slide unit 2 is provided with the guide chute 21 being engaged with two directive slide tracks 12 respectively, 6 turns of leading screw
Kinetic energy drive nut 7 drives the guide chute 21 of the bottom of slide unit 2 to slidably reciprocate on corresponding directive slide track 12.
Operation principle is as follows：Motor 8 first orders about slide unit 2 and drives the outlet sleeve 4 on bearing 3 to move so that each pressurization
The volume of the pressurizing chamber 42 in sleeve pipe 4 gradually increases, and air is respectively enterd to corresponding pressurizing chamber 42 from every tracheae 5；
Then will be equipped with sample solution solid phase extraction column upper port by solid phase extraction column adapter respectively with a tracheae 5
It is tightly connected；Then motor orders about again the counter motion of outlet sleeve 4 on the drive bearing 3 of slide unit 2 so that each pressurizing chamber 42
Volume is gradually reduced, and so as to the air in pressurizing chamber 42 is extruded respectively in the solid phase extraction column being connected to correspondence, that is, gives
Sample solution pressurization in each solid phase extraction column, so sample solution in each solid phase extraction column just can be quickly through
Filler in solid phase extraction column and flow out, so as to greatly accelerate experiment progress.
In the above-mentioned course of work, the movement velocity of outlet sleeve 4 can be adjusted by the rotating speed of adjustment motor 8, from
And to adjust solid phase extraction column in sample solution mistake liquid speed degree, the mistake liquid speed degree of sample solution in such solid phase extraction column
Can be with precisely controlled.Different sample solutions can select adaptable mistake liquid speed degree, and which greatly enhances experiment can
By property and precision.Above-mentioned SPE pressue device can pressurize to a solid phase extraction column, it is also possible to many
Individual solid phase extraction column is pressurizeed simultaneously, very convenient to use.Multiple solid phase extraction columns to same sample solution
Pressurizeed simultaneously, the mistake liquid speed degree of the sample solution in multiple solid phase extraction columns can be caused to be consistent, this is also carried significantly
The high precision of experiment.
Claims (6)
1. SPE pressue device, including：Mounting seat, is movably set with slide unit in mounting seat, it is characterised in that：It is solid on slide unit
Dingan County is equipped with bearing, and some levels and the outlet sleeve being parallel to each other are provided with bearing, and one end of each outlet sleeve is opened
Mouthful, the other end close, be provided with a piston in each outlet sleeve, the closing of each piston and corresponding outlet sleeve
A closed pressurizing chamber is respectively formed between end, each piston is fixedly connected with a piston rod, the outer end of every piston rod
Stretch out from the openend of corresponding outlet sleeve and be fixedly mounted in mounting seat, the blind end of each outlet sleeve is all connected with
Have a tracheae, one end of every tracheae is connected with corresponding pressurizing chamber, the other end be used to it is molten equipped with sample with one
The solid phase extraction column of liquid is connected, and sliding drive mechanism is additionally provided with mounting seat, and sliding drive mechanism can drive slide unit to exist
Slidably reciprocate in mounting seat, and then order about each outlet sleeve on bearing and move back and forth outside corresponding piston and piston rod,
The volume of pressurizing chamber is gradually reduced or gradually increases in so as to order about each outlet sleeve, when each pressurizing chamber volume gradually
During reduction, the gas in each pressurizing chamber can be extruded in the solid phase extraction column of connection corresponding with pressurizing chamber, so as to give
Sample solution pressurization in solid phase extraction column.
2. SPE pressue device according to claim 1, it is characterised in that：The structure of bearing includes：Support body,
The two ends of support body are respectively arranged with gripper shoe, and some open-topped draw-in grooves are respectively provided with the gripper shoe often held, two ends
Draw-in groove in gripper shoe is corresponded, and the two ends of every outlet sleeve are respectively fastened in a pair of corresponding draw-in grooves；Per root
The two ends of outlet sleeve outer wall are respectively arranged with retainer, the retainer at every outlet sleeve two ends respectively block at two ends
Outside gripper shoe.
3. SPE pressue device according to claim 1 and 2, it is characterised in that：The structure bag of sliding drive mechanism
Include：Leading screw is provided with mounting seat, nut is provided with leading screw, bearing of the expansion bearing in mounting seat is distinguished at the two ends of leading screw
In seat, one end of leading screw is connected with the output shaft of motor, and slide unit is connected with nut, and motor can drive leading screw in bearing block
Rotate forward or backwards, so as to drive the nut on leading screw to drive slide unit to move back and forth in mounting seat.
4. SPE pressue device according to claim 3, it is characterised in that：Set respectively in the mounting seat of leading screw both sides
A directive slide track is equipped with, every directive slide track is arranged each parallel to leading screw, the bottom of slide unit is provided with and is oriented to two respectively
The guide chute that slide rail is engaged, leading screw rotates energy drive nut and drives the guide chute of slide unit bottom in corresponding directive slide track
On slidably reciprocate.
5. SPE pressue device according to claim 3, it is characterised in that：Described leading screw is ball-screw.
6. SPE pressue device according to claim 3, it is characterised in that：Described motor is servo deceleration electricity
Stretch out and be connected with the output shaft of servo deceleration motor by shaft coupling after corresponding bearing block in machine, one end of leading screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621051477.3U CN206152401U (en) | 2016-09-13 | 2016-09-13 | Solid -phase extraction pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621051477.3U CN206152401U (en) | 2016-09-13 | 2016-09-13 | Solid -phase extraction pressure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206152401U true CN206152401U (en) | 2017-05-10 |
Family
ID=58650704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621051477.3U Withdrawn - After Issue CN206152401U (en) | 2016-09-13 | 2016-09-13 | Solid -phase extraction pressure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206152401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178596A (en) * | 2016-09-13 | 2016-12-07 | 中华人民共和国张家港出入境检验检疫局 | Solid-Phase Extraction pressue device |
-
2016
- 2016-09-13 CN CN201621051477.3U patent/CN206152401U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178596A (en) * | 2016-09-13 | 2016-12-07 | 中华人民共和国张家港出入境检验检疫局 | Solid-Phase Extraction pressue device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170510 Effective date of abandoning: 20180817 |
|
| AV01 | Patent right actively abandoned |