CN206253146U - A kind of simple syringe intermediate plate for single channel micro-injection pump - Google Patents
A kind of simple syringe intermediate plate for single channel micro-injection pump Download PDFInfo
- Publication number
- CN206253146U CN206253146U CN201621295347.4U CN201621295347U CN206253146U CN 206253146 U CN206253146 U CN 206253146U CN 201621295347 U CN201621295347 U CN 201621295347U CN 206253146 U CN206253146 U CN 206253146U
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- China
- Prior art keywords
- micro
- syringe
- intermediate plate
- micro syringe
- push rod
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Abstract
The utility model discloses a kind of simple syringe intermediate plate for single channel micro-injection pump, including two groups of intermediate plates, every group of intermediate plate is made up of a piece of upper clip and a piece of lower clamping piece, fluting and unidirectional opening in the middle of every intermediate plate, there is corresponding aperture on upper clip and lower clamping piece, screw sequentially passes through lower clamping piece aperture, spring, upper clip aperture and nut, combination is fixed into one group of intermediate plate, one of which is fixed on the mobile sliding block of micro-injection pump, push rod cup for clamping micro syringe, another group is fixed on the stationary fixture of micro-injection pump, top for clamping micro syringe.It can be efficiently solved when carrying out liquid-phase micro-extraction using micro-injection pump, the problem that micro syringe is disposed vertically and multiple micro syringes are extracted simultaneously to the sample in single or multiple sample bottles.
Description
Technical field
The utility model is related to a kind of simple syringe intermediate plate for single channel micro-injection pump.
Background technology
Single dropping liquid-phase microextraction is the micro-extraction skill that a kind of use microextraction solvent extracts target compound from sample
Art, general operating method is：Several microlitres of extractant is drawn with micro syringe, syringe needle is inserted perpendicularly into sample
Bottle, makes syringe needle point be placed in the top of sample to be extracted, or is placed in solution example, subsequent pushing syringe push rod, will
Drop is released and hangs on needle point, carries out the target compound in head space formula or immersion extraction sample, after extraction terminates, will
Drop is drawn back in syringe, finally injects extract and is analyzed in gas-chromatography, liquid chromatogram or other detecting instruments.Adopt
Single dropping liquid-phase microextraction is carried out with micro-injection pump can make extracting operation more accurate convenient, it is to avoid manually-operated unstable
Property.When single dropping liquid-phase microextraction is operated, in order to drop is released and needle point is hung on, and be easy to take out drop after extraction terminates
Return, it is necessary to be disposed vertically syringe.When single dropping liquid-phase microextraction experiment is carried out, in order to compare the influence condition of extraction, need
Accurate parallel extracting operation is carried out, therefore sometimes for multiple syringes are operated simultaneously, to same sample or multiple samples
Carry out parallel extracting operation.The design of integral type syringe pump and split type syringe pump in the market is mostly by syringe water
Placing flat.Integral type syringe pump weight is larger, there is two kinds of single channel and multichannel, although pump can be holded up into placement, but due to
Weight and volume is big, mobile inconvenience, inconvenient on single dropping liquid-phase microextraction operation is carried out.Split type syringe pump is by syringe branch
Frame and controller are separated so that syringe rack partial volume is smaller, are easy to hold up placement and movement, but be limited to weight and body
Product, it is mainly designed to the support of single-channel mode, i.e., and can only place a syringe.Such as need multiple syringes work simultaneously
Make, it is necessary to multiple syringe rack, and need the controller of multichannel.And because support volume is big, multiple syringes cannot be same
When insert same sample bottle, therefore cannot realize that multiple syringes are extracted simultaneously to the sample in same sample bottle.Mesh
Preceding commercially available micro-injection pump, it is impossible to while meeting, micro syringe is disposed vertically and multiple micro syringes are to single or multiple
The requirement of experiment that sample in sample bottle is extracted simultaneously.
The content of the invention
The purpose of this utility model is that micro syringe is disposed vertically and multiple micro notes when solving using micro-injection pump
A kind of problem that emitter is extracted simultaneously to the sample in single or multiple sample bottles, there is provided letter for single channel micro-injection pump
Easy syringe intermediate plate.
The utility model solves the above problems the technical scheme of use：For the simple micro note of single channel micro-injection pump
Emitter intermediate plate, it is characterized in that simple micro syringe intermediate plate includes micro syringe push rod cup intermediate plate group 1, micro syringe top
3 two groups of intermediate plates of intermediate plate group, the length of fluting is consistent with opening direction in the middle of two groups of intermediate plates, and structure annexation is as follows respectively：
Micro syringe push rod cup intermediate plate group 1 includes micro syringe push rod cup upper clip 101 and micro syringe push rod
Head lower clamping piece 102；Fluting and 103 are unidirectionally open in the middle of upper clip 101, fluting and 104 are unidirectionally open in the middle of lower clamping piece 102, open
The length of groove, width be consistent with opening direction and upper and lower vertical alignment, and length range is 50-90 millimeters, and groove width is more than micro-
3.0 millimeters of the diameter of the T-shaped push rod cup bottom of amount syringe, it is wide less than 8 millimeters of the diameter on the T-shaped push rod cup top of micro syringe
Degree scope is 3.1-7.5 millimeters；There are corresponding aperture 108, a diameter of 2-3 millimeters, spiral shell on upper clip 101 and lower clamping piece 102
Adjusting screw 105 sequentially passes through the aperture of lower clamping piece 102, spring 106, the aperture of upper clip 101 and nut 107, by the He of upper clip 101
The combination of lower clamping piece 102 is fixed into intermediate plate group 1；Line footpath 0.4-0.5 millimeters of spring 106, diameter 3.5-5 millimeters, height 5-6 millimeters,
Thickness 3 millimeter of the height less than or equal to micro syringe push rod cup after limited compression.
Micro syringe top intermediate plate group 3 under micro syringe top upper clip 301 and micro syringe top including pressing from both sides
Piece 302；Fluting and be unidirectionally open 303, fluting and be unidirectionally open 304, the length of fluting in the middle of lower clamping piece 302 in the middle of upper clip 301
Degree, width be consistent with opening direction and upper and lower vertical alignment, and length range is 50-90 millimeter, and groove width is more than micro-injection
6.5 millimeters of the diameter of device cylinder, less than diameter 10-12 millimeters of micro syringe top, width range is 6.6-9.5 millimeters；
There is corresponding aperture 308 on upper clip 301 and lower clamping piece 302, a diameter of 2-3 millimeters, screw 305 sequentially passes through lower clamping piece
302 aperture, spring 306, the aperture of upper clip 301 and nut 307, folder is fixed into by upper clip 301 and the combination of lower clamping piece 302
Piece group 3；Line footpath 0.4-0.5 millimeters of spring 306, diameter 3.5-5 millimeters, height 5-6 millimeters, the height after limited compression is less than micro-
Measure 3 millimeters of the thickness of syringe top.
Two groups of intermediate plates are used in the following way：Micro syringe push rod cup intermediate plate group 1 is by the push rod cup on lower clamping piece
Intermediate plate group fixing hole 109 is screwed on the mobile sliding block 7 of micro-injection pump 8, the push rod for clamping micro syringe
First 2；Micro syringe top intermediate plate group 3 is screwed in micro note by the top intermediate plate group fixing hole 309 on lower clamping piece
Penetrate on the stationary fixture 6 of pump, the top 4 for clamping micro syringe；By two or more than two push rods of micro syringe 5
In the fluting of first 2 insertion micro syringe push rod cup intermediate plate group 1, the insertion micro syringe top of top 4 folder of micro syringe
In the fluting of piece group 3, adjusting nut 107 and 307, clamps push rod cup 2 and the top 4 of micro syringe respectively；Micro-injection pump 8
It is vertically fixed on trestle table 12, after micro syringe 5 draws extractant, in insertion headspace sample bottle 10, positioned at sample 11
Top, manipulate syringe pump, release extractant drop 9, hang on the needle point of micro syringe 5, carry out headspace extraction, extracted
Finish, manipulate syringe pump, reclaim drop.
The technical solution of the utility model design have followed the operation principle of single channel micro-injection pump, i.e., micro- by clamping
Syringe top is measured to fix syringe, and micro syringe push rod cup is then sandwiched on sliding block, with moving back and forth for sliding block
To realize perfusion and pull.Two groups of designs of intermediate plate, are to fix two components at position of micro syringe to micro-injection pump
Extend and widen, to play the effect of the micro syringe for placing two or more same size simultaneously.
The beneficial effects of the utility model：
(1) structure of micro-injection pump is not changed, it is only necessary in the syringe branch of the original split type syringe pump of single channel
Two groups of intermediate plates are installed on frame additional, so structure is extremely simple；
(2) using fluting, the design being simultaneously open so that syringe can be passed in and out with horizontal direction, be easy to take in the middle of intermediate plate
Put；
(3) using the design of bar shaped list groove, not only make the processing of intermediate plate simple, and the placement of syringe number and position
Putting freely to be adjusted；
(4) supported using spring division between lower clamping piece on, and available nut regulation spacing, can push away micro syringe
The fixation of head and syringe tip position is more firm, and is more easily adapted to conform to the syringe of different brands, specification；
(5) shape of lower clamping piece is incomplete same on, and boss design is increased on an one of which intermediate plate so that
Intermediate plate group is not limited when being connected with micro-injection pump by intermediate plate group thickness, easily fixed；
(6) stainless-steel sheet is used, and steel plate thickness is the design of 1mm so that intermediate plate has enough hardness and strong
Degree, can support multiple syringes, will not produce bending；
(7) due to not changing the structure of micro-injection pump, the original operator scheme of syringe pump can both be used, it is also possible to
After plus intermediate plate group, operated while single or multiple syringes；
(8) due to using same controller and support so that multiple syringes can realize consistent simultaneously operating.
Brief description of the drawings
The simple micro syringe intermediate plates of Fig. 1 are arranged on side schematic view when being used on single channel micro-injection pump
In figure：1. micro syringe push rod cup intermediate plate group；2. micro syringe push rod cup；3. micro syringe top intermediate plate
Group；4. micro syringe top；5. micro syringe；6. the stationary fixture on micro-injection pump；7. the shifting on micro-injection pump
Movable slider；8. micro-injection pump；9. extractant drop；10. headspace sample bottle；11. samples；12. trestle tables.
The simple micro syringe intermediate plates of Fig. 2 are arranged on front schematic view when being used on single channel micro-injection pump
In figure：1. micro syringe push rod cup intermediate plate group；2. micro syringe push rod cup；3. micro syringe top intermediate plate
Group；4. micro syringe top；5. micro syringe；6. the stationary fixture on micro-injection pump；7. the shifting on micro-injection pump
Movable slider；8. micro-injection pump；9. extractant drop；10. headspace sample bottle；11. samples；12. trestle tables.
The injector push-rod head intermediate plate group structural representation of the simple micro syringe intermediate plates of Fig. 3
In figure：101. micro syringe push rod cup upper clips；102. micro syringe push rod cup lower clamping pieces；103. upper clips
Middle fluting；Fluting in the middle of 104. lower clamping pieces；105. screws；106. springs；107. nuts.
The syringe top intermediate plate group structural representation of the simple micro syringe intermediate plates of Fig. 4
In figure：301. micro syringe top upper clips；302. micro syringe top lower clamping pieces；In the middle of 303. upper clips
Fluting；Fluting in the middle of 304. lower clamping pieces；305. screws；306. springs；307. nuts.
Fig. 5 micro syringe push rod cup upper clip top views
In figure：101. micro syringe push rod cup upper clips；Fluting in the middle of 103. upper clips；108. push rod cup intermediate plate groups
Screw hole.
Fig. 6 micro syringe push rod cup lower clamping piece top views
In figure：102. micro syringe push rod cup lower clamping pieces；Fluting in the middle of 104. lower clamping pieces；108. push rod cup intermediate plate groups
Screw hole；109. push rod cup intermediate plate group fixing holes.
Fig. 7 micro syringes top upper clip top view
In figure：301. micro syringe top upper clips；Fluting in the middle of 303. upper clips；308. push rod cup intermediate plate group spiral shells
Silk hole.
Fig. 8 micro syringes top lower clamping piece top view
In figure：302. micro syringe top lower clamping pieces；Fluting in the middle of 304. lower clamping pieces；308. top intermediate plate group screws
Hole；309. top intermediate plate group fixing holes.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Example 1
The upper clip of micro syringe push rod cup and the structure of lower clamping piece are respectively as it can be seen in figures 5 and 6, upper, 6 spiral shells of intermediate plate
Silk hole 108 corresponds to up and down respectively, position, the length and width of the middle fluting 104 of fluting 103 and lower clamping piece in the middle of upper clip
It is identical, correspond to up and down.The assembling mode of upper and lower intermediate plate is as shown in figure 3, upper clip 101 and lower clamping piece 102 are opened by identical
Groove direction corresponds to up and down, and screw 105 sequentially passes through screw hole, spring on the lower clamping piece 102 of micro syringe push rod cup
106th, the screw hole and nut 107 on upper clip 101, are assembled into the intermediate plate group 1 of micro syringe push rod cup.
The upper clip on micro syringe top and the structure of lower clamping piece are distinguished as shown in FIG. 7 and 8, upper, 6 screws of intermediate plate
Hole 308 corresponds to up and down respectively, and the position of the middle fluting 304 of fluting 303 and lower clamping piece, length and width are complete in the middle of upper clip
It is exactly the same, correspond to up and down.The assembling mode of upper and lower intermediate plate is as shown in figure 4, upper clip 301 and lower clamping piece 302 are slotted by identical
Direction corresponds to up and down, screw 305 sequentially pass through screw hole on the lower clamping piece 302 of micro syringe push rod cup, spring 306,
Screw hole and nut 307 on upper clip 301, are assembled into the intermediate plate group 2 on micro syringe top.
Side schematic view when two groups of intermediate plates are used on single channel micro-injection pump is as shown in figure 1, fixing nut is passed through
Fixing hole 309 on lower clamping piece 302, the intermediate plate group 2 on micro syringe top is fixed on the stationary fixture 6 of micro-injection pump 8
On；The intermediate plate group 1 of micro syringe push rod cup is fixed on micro note by fixing nut through the fixing hole 109 on lower clamping piece 102
Penetrate on the mobile sliding block 7 of pump 8.Micro-injection pump 8 is vertically fixed on trestle table 12, the top 4 of micro syringe 5 and push rod
Head 2 is respectively put into the in the same direction middle fluting of intermediate plate group 2 and 1, and adjusting nut 307 and 107 respectively, syringe and push rod cup
It is fixedly clamped by intermediate plate group 2 and 1 respectively.When simultaneously using two or more than two micro syringes 5 to same headspace sample
When sample in bottle or different head space sample bottles carries out parallel headspace extraction, then by the micro syringe of branched same model specification
It is put into the same fashion in two flutings of intermediate plate group, and is fixedly clamped respectively, front schematic view such as Fig. 2 institutes of occupation mode
Show.After installing syringe, start control micro-injection pump 8, after micro syringe 5 is drawn extractant, by micro-injection
In the needle point insertion headspace sample bottle 10 of device 5, and positioned at the top of sample 11, extractant drop 9 is released and needle point is hung on, entered
Row headspace extraction, after extraction is finished, controls micro-injection pump 8, extractant drop 9 is drawn back in micro syringe 5, termination of pumping, pine
Nut 307 and 107 is opened, micro syringe 5 is taken out from the fluting of intermediate plate group, extract is injected into chromatography.
Using by way of intermediate plate group more than, single channel micro-injection pump simply and economically can be become into multichannel
Micro-injection pump is used, and synchronism is good, is conducive to the parallel extraction experiments of sample, improves headspace extraction treatment sample
Flux；The design of fluting so that while during using branched micro syringe, can according to the size of sample bottle, position come
Freely adjust the position of syringe.
Claims (1)
1. a kind of simple micro syringe intermediate plate for single channel micro-injection pump, it is characterized in that simple micro syringe intermediate plate
Including micro syringe push rod cup intermediate plate group (1), micro syringe top intermediate plate (3) two groups of intermediate plates of group, opened in the middle of two groups of intermediate plates
The length of groove is consistent with opening direction, and structure annexation is as follows respectively：
Micro syringe push rod cup intermediate plate group (1) includes micro syringe push rod cup upper clip (101) and micro syringe push rod
Head lower clamping piece (102)；The middle fluting of upper clip (101) and unidirectional opening (103), slot in the middle of lower clamping piece (102) and unidirectionally open
Mouthful (104), the length of fluting, width be consistent with opening direction and upper and lower vertical alignment, and length range is 50-90 millimeter, is slotted
Width is more than 3.0 millimeters of the diameter of the T-shaped push rod cup bottom of micro syringe, straight less than the T-shaped push rod cup top of micro syringe
8 millimeters of footpath, width range is 3.1-7.5 millimeters；There is corresponding aperture (108) on upper clip (101) and lower clamping piece (102),
It is a diameter of 2-3 millimeters, screw (105) sequentially pass through the aperture of lower clamping piece (102), spring (106), upper clip (101) it is small
Hole and nut (107), intermediate plate group (1) is fixed into by upper clip (101) and lower clamping piece (102) combination；Spring (106) line footpath 0.4-
0.5 millimeter, diameter 3.5-5 millimeters, height 5-6 millimeters, the height after limited compression is less than or equal to micro syringe push rod cup
3 millimeters of thickness；
Micro syringe top intermediate plate group (3) under micro syringe top upper clip (301) and micro syringe top including pressing from both sides
Piece (302)；Fluting and unidirectional opening (303) in the middle of upper clip (301), fluting and unidirectional opening in the middle of lower clamping piece (302)
(304), the length of fluting, width be consistent with opening direction and upper and lower vertical alignment, and length range is 50-90 millimeters, and fluting is wide
Degree is more than 6.5 millimeters of the diameter of micro syringe cylinder, less than diameter 10-12 millimeters of micro syringe top, width range
It is 6.6-9.5 millimeters；There are corresponding aperture (308), a diameter of 2-3 millimeters, spiral shell on upper clip (301) and lower clamping piece (302)
Adjusting screw (305) sequentially passes through the aperture of lower clamping piece (302), spring (306), the aperture of upper clip (301) and nut (307), will
Upper clip (301) and lower clamping piece (302) combination are fixed into intermediate plate group (3)；0.4-0.5 millimeters of spring (306) line footpath, diameter 3.5-
5 millimeters, height 5-6 millimeters, thickness 3 millimeter of the height less than micro syringe top after limited compression；
Two groups of intermediate plates are used in the following way：Micro syringe push rod cup intermediate plate group (1) is pressed from both sides by the push rod cup on lower clamping piece
Piece group fixing hole (109) is screwed on the mobile sliding block (7) of micro-injection pump (8), for clamping micro syringe
Push rod cup (2)；Micro syringe top intermediate plate group (3) is solid with screw by top intermediate plate group fixing hole (309) on lower clamping piece
It is scheduled on the stationary fixture of micro-injection pump (6), the top (4) for clamping micro syringe；It is micro- by two or more than two
In the fluting of the push rod cup (2) insertion micro syringe push rod cup intermediate plate group (1) of amount syringe (5), the top of micro syringe
(4) in the fluting of insertion micro syringe top intermediate plate group (3), adjusting nut (107) and (307), clamps micro-injection respectively
The push rod cup (2) of device and top (4)；Micro-injection pump (8) is vertically fixed on trestle table (12), and micro syringe (5) is drawn
After extractant, in insertion headspace sample bottle (10), positioned at the top of sample (11), syringe pump is manipulated, release extractant drop
(9) needle point of micro syringe (5), is hung on, headspace extraction is carried out, extraction is finished, manipulate syringe pump, reclaim drop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295347.4U CN206253146U (en) | 2016-11-30 | 2016-11-30 | A kind of simple syringe intermediate plate for single channel micro-injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295347.4U CN206253146U (en) | 2016-11-30 | 2016-11-30 | A kind of simple syringe intermediate plate for single channel micro-injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206253146U true CN206253146U (en) | 2017-06-16 |
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ID=59026324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621295347.4U Expired - Fee Related CN206253146U (en) | 2016-11-30 | 2016-11-30 | A kind of simple syringe intermediate plate for single channel micro-injection pump |
Country Status (1)
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| CN (1) | CN206253146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877648A (en) * | 2021-08-26 | 2022-01-04 | 湖南伊鸿健康科技有限公司 | Sample adding device |
-
2016
- 2016-11-30 CN CN201621295347.4U patent/CN206253146U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877648A (en) * | 2021-08-26 | 2022-01-04 | 湖南伊鸿健康科技有限公司 | Sample adding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20171130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |