CN208287539U - A kind of solid phase microextraction pre-treatment component and solid-phase micro-extracting device - Google Patents
A kind of solid phase microextraction pre-treatment component and solid-phase micro-extracting device Download PDFInfo
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- CN208287539U CN208287539U CN201820453860.4U CN201820453860U CN208287539U CN 208287539 U CN208287539 U CN 208287539U CN 201820453860 U CN201820453860 U CN 201820453860U CN 208287539 U CN208287539 U CN 208287539U
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Abstract
The utility model provides a kind of solid phase microextraction pre-treatment component and solid-phase micro-extracting device, belong to trace samplings processing and analysis of volatile components technical field, solid phase microextraction pre-treatment component includes extraction flask and sample bottle, the extrusion structure that sample for will place in it squeezes and squeezes out the object to be extracted in it is installed in sample bottle, extraction flask is connected to sample bottle and the object to be extracted being extruded is enable to enter in extraction flask from sample bottle, extraction flask has the bottleneck passed through for extraction needle, the bottle mouth position is equipped with for the extraction flask sealing structure when extracting needle and being inserted into extraction flask with extraction needle sealing cooperation, the extrusion structure include extrusion head and with extrusion head the opposite fixed setting of the direction of extrusion spinning structure.Sample is squeezed by rotary squeezing head, enters the object to be extracted overflowed in sample in extraction flask and by the syringe needle absorption of extraction needle, solves the problems, such as to will cause volatile component loss when liquid relief in the prior art.
Description
Technical field
The utility model relates to a kind of solid phase microextraction pre-treatment component and solid-phase micro-extracting devices.
Background technique
Quick-fried pearl, also referred to as capsule, fragrant pearl, 2.6 ~ 3.6mm of diameter, a kind of pearl that can be racked in quick-fried pearl cigarette filter squeeze
It is a kind of new cigarette flavoring mode with the feeling to pop when broken.By the quick-fried pearl of sealing, fragrance is avoided directly to connect with the external world
Touching, maintains the stabilization of fragrance matter, reduces external environment and loses to the influence essence with caused by for inhaling taste, in quick-fried pearl solution
Volatile flavor compounds are quick-fried pearl cigarette fragrance style supportive material bases, therefore especially to the detection of quick-fried pearl fragrance matter
The detection of volatile component is extremely important.
Solid phase microextraction (solid-phase micro-extraction, SPME) is a kind of for analysis of volatile components
Very effective method, give using the vitreous silica fiber for being coated with stationary phase adsorb, the test substance in enriched sample,
Analyte is concentrated while extraction, the fiber for being enriched determinand is then transferred directly to liquid phase or gas-chromatography
In, it is parsed by way of Thermal desorption or solution parsing, carries out sample analysis.
The utility model patent that Authorization Notice No. is CN206593939U, authorized announcement date is 2017.10.27 discloses one
Kind is suitable for the device of solid phase microextraction in-site detecting, including extraction needle and ground glass stoppered bottle will extract when using the device
Needle, which is inserted into ground glass stoppered bottle, carries out situ extracting to the sample in ground glass stoppered bottle, but for analyzing quick-fried pearl using SPME
There are some outstanding problems when volatile fragrant components: solution, which needs to be transferred in ground glass stoppered bottle, after quick-fried pearl is broken is adsorbed
Extraction, this process not only results in the loss of volatile component, and is easy to cause the pollution of sample and sample loss (such as quick-fried
Splashed in pearl shattering process and be difficult to shift in container inner wall), it brings some inconvenience to operation.
Utility model content
The purpose of this utility model is to provide a kind of solid phase microextraction pre-treatment components, to solve liquid relief in the prior art
When will cause volatile component loss the problem of；The purpose of this utility model also reside in provide it is a kind of micro- using the solid phase of the component
Extraction equipment.
To achieve the above object, the technical solution of the utility model solid phase microextraction pre-treatment component is:
Solid phase microextraction pre-treatment component includes extraction flask and sample bottle, is equipped in sample bottle for will place in it
Sample squeezes and by the extrusion structure of the object to be extracted extrusion in it, and extraction flask is connected to sample bottle and makes to be extruded to be extracted
Object can enter in extraction flask from sample bottle, and extraction flask has for the bottleneck that passes through of extraction needle, the bottle mouth position be equipped with for
With the extraction flask sealing structure of extraction needle sealing cooperation when extraction needle is inserted into extraction flask, the extrusion structure includes extrusion head
And with extrusion head the opposite fixed setting of the direction of extrusion and with sample bottle threaded engagement and squeezed when rotated with sample bottle
The spinning structure relatively moved on direction.
The beneficial effects of the utility model are: making it squeeze sample in sample bottle come rotary squeezing head using spinning structure
Product enter the object to be extracted overflowed in sample in extraction flask and by the syringe needle absorption of extraction needle, and then carry out subsequent analysis
Experiment, avoids the object to be extracted in sample from contacting or evaporate into air with air, solves to will cause when liquid relief in the prior art
The problem of volatile component loses.
Further, the extraction flask is wholely set with sample bottle, more compact using integral structure, and occupied space is more
It is small, more convenient operation.
Further, the extraction flask and sample bottle bottleneck towards opposite and shared bottom of bottle, the extraction flask and sample
The bottom of bottle of product bottle is equipped with connecting hole so that extraction flask be connected to sample bottle, simplifies structure, easy to process and manufacture.
Further, the connecting hole is equipped with multiple, and the aperture of each connecting hole is respectively less than the size of sample, avoids smaller
Sample without squeeze be directly entered impact analysis result in extraction flask.
Further, the extrusion structure includes cylindrical base, and the cylindrical base constitutes the extrusion head, described
Spinning structure setting simplifies the structure of sample bottle, reduces the difficulty of processing of sample bottle on the outer peripheral surface of cylindrical base.
Further, the spinning structure is the external screw thread being arranged on cylindrical base outer peripheral surface, on the sample bottle
Equipped with the internal screw thread with the external screw thread threaded engagement on cylindrical base outer peripheral surface, easy to process and manufacture.
Further, the internal screw thread on the external screw thread and sample bottle on the cylindrical base outer peripheral surface seals cooperation, keeps away
Exempt from gap of the object to be extracted in sample between extrusion head and sample bottle to overflow.
Further, the extraction flask sealing structure is the rubber that the bottle mouth position of extraction flask is arranged in and is needled into for extraction
Sealing element, because rubber has certain elasticity, it is close can be in rubber with extraction needle for rubber seal after extraction is needled into
Part in sealing seals cooperation, and after extraction needle is extracted, rubber seal restores deformation and remains to play sealing extraction flask
Effect.
Further, the rubber seal is rubber gasket, reduces the stroke that extraction is needled into rubber seal, more
Add laborsaving.
Further, the removable bottle being fixed with for rubber gasket to be fitted in extraction flask of the bottle mouth position of the extraction flask
Top cover at mouthful, convenient for carrying out dismounting cleaning to extraction flask.
Further, the top cover is threadedly coupled so that the removable bottle for being fixed on extraction flask of top cover with the bottle mouth position of extraction flask
At mouthful, the top cover is equipped with the top cover installed for the needle portion of extraction flask and perforates, and is fixed by the way of screwing top cover
Top cover, convenient for manual operation.
Further, the top cover perforation is stepped hole, and the extraction needle including installing for the needle portion for extracting needle installs
Section and the bottleneck linkage section connecting with the whorl of bottleneck of extraction flask, are convenient for the installation and sealing of top cover by the way of threaded engagement
The press fitting of pad.
The technical solution of the solid-phase micro-extracting device of the utility model is:
Solid-phase micro-extracting device includes extraction needle and solid phase microextraction pre-treatment component, the solid phase microextraction pre-treatment group
Part includes extraction flask and sample bottle, be equipped in sample bottle the sample for will be placed in it squeeze and by the object to be extracted in it
The extrusion structure of extrusion, extraction flask are connected to sample bottle and the object to be extracted being extruded are enable to enter extraction flask from sample bottle
In, extraction flask has for the bottleneck that passes through of extraction needle, the bottle mouth position be equipped with for when extracting needle and being inserted into extraction flask with
Extract needle sealing cooperation extraction flask sealing structure, the extrusion structure include extrusion head and with extrusion head in direction of extrusion phase
The spinning that is relatively moved in a pressing direction with sample bottle when rotated to fixed setting and with sample bottle threaded engagement
Structure.
The beneficial effects of the utility model are: making it squeeze sample in sample bottle come rotary squeezing head using spinning structure
Product enter the object to be extracted overflowed in sample in extraction flask and by the syringe needle absorption of extraction needle, and then carry out subsequent analysis
Experiment, avoids the object to be extracted in sample from contacting or evaporate into air with air, solves to will cause when liquid relief in the prior art
The problem of volatile component loses.
Further, the extraction flask is wholely set with sample bottle, more compact using integral structure, and occupied space is more
It is small, more convenient operation.
Further, the extraction flask and sample bottle bottleneck towards opposite and shared bottom of bottle, the extraction flask and sample
The bottom of bottle of product bottle is equipped with connecting hole so that extraction flask be connected to sample bottle, simplifies structure, easy to process and manufacture.
Further, the connecting hole is equipped with multiple, and the aperture of each connecting hole is respectively less than the size of sample, avoids smaller
Sample without squeeze be directly entered impact analysis result in extraction flask.
Further, the extrusion structure includes cylindrical base, and the cylindrical base constitutes the extrusion head, described
Spinning structure setting simplifies the structure of sample bottle, reduces the difficulty of processing of sample bottle on the outer peripheral surface of cylindrical base.
Further, the spinning structure is the external screw thread being arranged on cylindrical base outer peripheral surface, on the sample bottle
Equipped with the internal screw thread with the external screw thread threaded engagement on cylindrical base outer peripheral surface, easy to process and manufacture.
Further, the internal screw thread on the external screw thread and sample bottle on the cylindrical base outer peripheral surface seals cooperation, keeps away
Exempt from gap of the object to be extracted in sample between extrusion head and sample bottle to overflow.
Further, the extraction flask sealing structure is the rubber that the bottle mouth position of extraction flask is arranged in and is needled into for extraction
Sealing element, because rubber has certain elasticity, it is close can be in rubber with extraction needle for rubber seal after extraction is needled into
Part in sealing seals cooperation, and after extraction needle is extracted, rubber seal restores deformation and remains to play sealing extraction flask
Effect.
Further, the rubber seal is rubber gasket, reduces the stroke that extraction is needled into rubber seal, more
Add laborsaving.
Further, the removable bottle being fixed with for rubber gasket to be fitted in extraction flask of the bottle mouth position of the extraction flask
Top cover at mouthful, convenient for carrying out dismounting cleaning to extraction flask.
Further, the top cover is threadedly coupled so that the removable bottle for being fixed on extraction flask of top cover with the bottle mouth position of extraction flask
At mouthful, the top cover is equipped with the top cover installed for the needle portion of extraction flask and perforates, and is fixed by the way of screwing top cover
Top cover, convenient for manual operation.
Further, the top cover perforation is stepped hole, and the extraction needle including installing for the needle portion for extracting needle installs
Section and the bottleneck linkage section connecting with the whorl of bottleneck of extraction flask, are convenient for the installation and sealing of top cover by the way of threaded engagement
The press fitting of pad.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the specific embodiment 1 of the solid-phase micro-extracting device of the utility model；
Fig. 2 is the structural schematic diagram of the partition of the specific embodiment 1 of the solid-phase micro-extracting device of the utility model；
Fig. 3 is the structural schematic diagram of the specific embodiment 14 of the solid-phase micro-extracting device of the utility model；
Fig. 4 is the structural schematic diagram of the specific embodiment 15 of the solid-phase micro-extracting device of the utility model；
Fig. 5 is the structural schematic diagram of the specific embodiment 16 of the solid-phase micro-extracting device of the utility model.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment 1 of the solid phase microextraction pretreating device of the utility model, as shown in Figure 1 to Figure 2, this is practical new
Type is further described the embodiments of the present invention for extracting to the liquid in quick-fried pearl, wherein quick-fried pearl structure
At sample, the liquid in quick-fried pearl constitutes object to be extracted, but does not limit the purposes of the utility model, in other embodiments this reality
With in the novel extraction that also can be applicable to the liquid such as veterinary antibiotics.
In the present embodiment, solid-phase micro-extracting device includes extraction needle and solid phase microextraction pre-treatment component, solid phase microextraction
Pre-treatment component includes bottle body 4, and bottle body 4 is cylindrical in shape, and the shape of bottle body 4 can also be according to practical need in other embodiments certainly
It is changed.Bottle body 4 is an integral structure including upper and lower two parts, wherein being placed in top is extraction flask 5, is placed in extraction flask
5 lower sections are sample bottle 7, and the partition 6 for keeping apart extraction flask 5 and sample bottle 7, partition are equipped between extraction flask 5 and sample bottle 7
6 constitute the bottom of bottle of extraction flasks 5 and sample bottle 7, the bottleneck of the bottleneck and sample bottle 7 that make extraction flask 5 towards opposite and shared bottom of bottle,
Partition 6 is equipped with several connecting holes 601, so that extraction flask 5 is connected with sample bottle 7 by connecting hole 601.In view of quick-fried pearl
Minimum diameter, therefore 2mm is arranged in for the aperture of connecting hole 601 hereinafter, the minimum for making the aperture of connecting hole 601 be less than quick-fried pearl is straight
Diameter avoids quick-fried pearl from passing through out of connecting hole 601, and the capsule crust of quick-fried pearl has also stayed in sample bottle 7, convenient for complete in operation
At later by the capsule crust taking-up of quick-fried pearl.
In the present embodiment, since the liquid component in quick-fried pearl is mostly volatile materials, in order to guarantee the accurate of experimental result
Property and avoid the loss of liquid in quick-fried pearl, therefore, also removable at extraction flask bottleneck 401 to be fixed with top cover 2, top cover 2 is equipped with
The top cover perforation 3 that needle portion for extracting needle 1 passes through can be placed at the body sections for extracting needle on top cover 2 convenient for extraction
The support of needle 1 is taken, for the ease of the fixation of top cover 2, the top cover perforation 3 in the present embodiment is stepped hole, including is used for and extraction
The major diameter section 302 that cooperates at bottle bottleneck 401 and for the path section 301 that installs of needle portion for extracting needle 1, wherein path section
301 are arranged in the top of major diameter section 302, and the inner sidewall of major diameter section 302 is equipped with internal screw thread, is equipped at extraction flask bottleneck 401 outer
Screw thread is threaded togather top cover 2 with bottle body 4 by internal screw thread and externally threaded screw, in order to further guarantee to extract
The leakproofness of bottle 5 is taken, rubber gasket 11 is additionally provided between the planar annular and extraction flask bottleneck 401 in top cover perforation 3, passes through
The compressing rubber gasket 11 that screws at top cover 2 and extraction flask bottleneck 401 makes rubber gasket 11 is removable to be fixed on extraction flask bottle
In the opening's edge of mouth 401, and when extraction needle 1 wears out rubber gasket 11,11 flexible deformation of rubber gasket makes rubber seal
Pad 11 and the extraction sealing cooperation of needle 1, achieve the purpose that extraction flask 5 seals.Wherein, the major diameter section 302 of top cover perforation 3 constitutes screw thread
The bottleneck linkage section being connected at extraction flask bottleneck 401, the path section 301 of top cover perforation 3 constitute the needle portion for extracting needle 1
The extraction needle installed installs section, and rubber gasket 11 constitutes the rubber for being arranged in and being pierced at extraction flask bottleneck 401 for extraction needle 1
Sealing element, rubber seal constitute the extraction flask sealing structure for sealing extraction flask 5, and certainly, top cover 2 can also pass through buckle
It is installed at extraction flask bottleneck 401 to make top cover 2 is removable to be fixed on bottle body 4.Wherein, described in the present embodiment and extraction needle
1 is a kind of tubular type acicular texture, extracts and is provided with extraction syringe needle on needle 1, be used for sorption extraction liquid or gaseous sample, because of extraction
Therefore needle 1 does not do herein for the prior art and excessively repeats.
In the present embodiment, the one end directed downwardly of sample bottle 7 be equipped with for quick-fried pearl enter sample bottle bottleneck 402, sample bottle 7 it is interior
There is internal screw thread, going back threaded engagement on the internal screw thread of sample bottle 7 has extrusion head, and extrusion head includes cylindric matrix and setting on wall
On extrusion head outer peripheral surface with the external screw thread of the internal thread segment threaded engagement of sample bottle 7, by the rotation of extrusion head 8 and to moving up
The quick-fried pearl that the volume of dynamic pressure contracting sample bottle 7 and extruding are placed in sample bottle 7 overflows the liquid in quick-fried pearl and passes through connecting hole 601
Into in extraction flask 5, and the gap in order to avoid the liquid of quick-fried pearl spilling between extrusion head 8 and the internal chamber wall of sample bottle 7
Outflow, therefore the external screw thread on extrusion head 8 and the internal screw thread on sample bottle 7 seal and cooperate.Wherein, the external screw thread structure of extrusion head 8
It is arranged and is being squeezed when rotated with sample bottle 7 with 7 threaded engagement of sample bottle in opposite fix of the direction of extrusion at extrusion head 8
The external screw thread of the spinning structure relatively moved on pressure direction, extrusion head and extrusion head 8 is constituted for will place in sample bottle 7
Sample squeeze and by sample bottle 7 object to be extracted squeeze out extrusion structure.Certainly in other embodiments, spinning structure can
To include the helicla flute being arranged at sample bottle bottleneck 402, corresponding extrusion head be equipped in rotary squeezing head along spiral shell
Spin slot sliding and upward guide pin, by rotary squeezing head and in the work of guide pin and helicla flute being slidably matched
Under, extrusion head is made to move up simultaneously pressing materials.
When using the solid-phase micro-extracting device, extraction needle 1 is first passed through into top cover perforation 3 and is placed on top cover 2, makes to extract
The needle portion of needle 1 is inserted into extraction flask 5, and then quick-fried pearl is placed into sample bottle 7, and extrusion head 8 is then screwed into sample
In product bottle 7, rotation extrusion head makes extrusion head 8 move up and quick-fried pearl is fitted on partition 6, in squeezing for extrusion head 8 and partition 6
Pressure makes the capsules break outside quick-fried pearl and overflows the liquid in the capsule of quick-fried pearl, continues to rotate extrusion head 8, and the liquid of spilling is logical
The connecting hole 601 crossed on partition 6 enters in extraction flask 5, completes solid phase microextraction in situ, and the needle portion of needle 1 to be extracted is inhaled
After attached a period of time, extraction needle 1 can be directly inserted into gas phase or liquid chromatogram instrument carry out analysis test with that.
Above-mentioned specific embodiment 1 is the optimal embodiment of the solid-phase micro-extracting device of the utility model, other embodiments
In, it can according to need and corresponding structure is adjusted or is simplified:
The specific embodiment 2 of the solid-phase micro-extracting device of the utility model simplifies solid phase microextraction dress in the present embodiment
The structure set, solid-phase micro-extracting device include extraction needle and solid phase microextraction pre-treatment component, the solid phase microextraction pre-treatment
Component includes extraction flask and sample bottle, be equipped in sample bottle the sample for will be placed in it squeeze and will be to be extracted in it
The extrusion structure that object squeezes out, extraction flask are connected to sample bottle and the object to be extracted being extruded are enable to enter extraction flask from sample bottle
In, extraction flask has for the bottleneck that passes through of extraction needle, the bottle mouth position be equipped with for when extracting needle and being inserted into extraction flask with
Extract needle sealing cooperation extraction flask sealing structure, the extrusion structure include extrusion head and with extrusion head in direction of extrusion phase
The spinning that is relatively moved in a pressing direction with sample bottle when rotated to fixed setting and with sample bottle threaded engagement
Structure squeezes sample in sample bottle by rotary squeezing head, enters the object to be extracted overflowed in sample in extraction flask simultaneously
By extracting the syringe needle absorption of needle, and then subsequent analysis experiment is carried out, the object to be extracted in sample is avoided to contact or wave with air
It is dealt into air, avoids will cause volatile component loss when liquid relief.
The specific embodiment 3 of the solid-phase micro-extracting device of the utility model, as the solid phase microextraction to the utility model
The specific embodiment 2 of device advanced optimizes, and the extraction flask is wholely set with sample bottle, makes the knot of extraction flask and sample bottle
Structure is more compact.Certainly in other embodiments, extraction flask and sample bottle may be split type structure.
The specific embodiment 4 of the solid-phase micro-extracting device of the utility model, as the solid phase microextraction to the utility model
The specific embodiment 3 of device advanced optimizes, and the bottleneck of the extraction flask and sample bottle is described towards opposite and shared bottom of bottle
Extraction flask is equipped with connecting hole so that extraction flask is connected to sample bottle with the bottom of bottle of sample bottle.Certainly, in other embodiments, bottle
Body may be U-tube, and two parallel-segments of U-tube respectively constitute sample bottle and extraction flask, and the bend loss of U-tube constitutes connection sample
The interface channel of product bottle and extraction flask.
The specific embodiment 5 of the solid-phase micro-extracting device of the utility model, as the solid phase microextraction to the utility model
The specific embodiment 4 of device advanced optimizes, the connecting hole be equipped with it is multiple, the aperture of each connecting hole is respectively less than sample
Size is quick-fried pearl by the selection of sample in this present embodiment, and the minimum diameter of quick-fried pearl in the market is about 2.6mm, therefore is adopted
With the connecting hole for being less than the aperture 2mm, quick-fried pearl is avoided directly to be pierced by from connecting hole.Certainly, in other embodiments, according to sample
Difference, the aperture of connecting hole is arbitrary.
The specific embodiment 6 of the solid-phase micro-extracting device of the utility model, as the solid phase microextraction to the utility model
Any of the specific embodiment 2 to 5 of device advanced optimizes, and the extrusion structure includes cylindrical base, the cylinder
Shape matrix constitutes the extrusion head, and the spinning structure setting is on the outer peripheral surface of cylindrical base.Certainly in other embodiments
In, spinning structure may also be arranged on sample bottle bottle mouth position.
The specific embodiment 7 of the solid-phase micro-extracting device of the utility model, as the solid phase microextraction to the utility model
The specific embodiment 6 of device advanced optimizes, and the spinning structure is the external screw thread being arranged on cylindrical base outer peripheral surface,
The sample bottle is equipped with the internal screw thread with the external screw thread threaded engagement on cylindrical base outer peripheral surface.Certainly, in other implementations
In example, spinning structure can be the helicla flute being arranged at sample bottle bottleneck 402, and corresponding extrusion head is equipped with for rotating
It slides when extrusion head along helicla flute and upward guide pin, by rotary squeezing head and in guide pin and helicla flute
Under the action of being slidably matched, extrusion head is made to move up simultaneously pressing materials.
The specific embodiment 8 of the solid-phase micro-extracting device of the utility model, as the solid phase microextraction to the utility model
The specific embodiment 7 of device advanced optimizes, the interior spiral shell on external screw thread and sample bottle on the cylindrical base outer peripheral surface
Line sealing cooperation.
The specific embodiment 9 of the solid-phase micro-extracting device of the utility model, as the solid phase microextraction to the utility model
Any of the specific embodiment 2 to 5 of device advanced optimizes, and the extraction flask sealing structure is the bottle that extraction flask is arranged in
The rubber seal being needled at mouthful for extraction.Certainly, extraction flask sealing structure can also be in rubber in other embodiments
The seal and opening that a diameter is less than the mating part diameter of extraction needle and extraction flask sealing structure is opened up on sealing element, is being extracted
When needle passes through seal and opening, rubber seal is extruded and flexible deformation occurs to realize the sealing of extraction flask.
The specific embodiment 10 of the solid-phase micro-extracting device of the utility model, as the solid phase microextraction to the utility model
The specific implementation 9 of device advanced optimizes, and the rubber seal is rubber gasket.Certainly, in other embodiments, rubber
Glue sealing element may be the extraction flask sealing-plug that plug is mounted in extraction flask bottleneck.
The specific embodiment 11 of the solid-phase micro-extracting device of the utility model, as the solid phase microextraction to the utility model
The specific embodiment 10 of device advanced optimizes, and the bottle mouth position of the extraction flask is removable to be fixed with for by rubber gasket pressure
Mounted in the top cover of the bottle mouth position of extraction flask.Certainly, in other embodiments, rubber gasket can also be bonded in extraction flask bottleneck
Opening's edge on.
The specific embodiment 12 of the solid-phase micro-extracting device of the utility model, as the solid phase microextraction to the utility model
The specific embodiment 11 of device advanced optimizes, and the top cover is threadedly coupled with the bottle mouth position of extraction flask so that top cover is removable solid
It is scheduled on the bottle mouth position of extraction flask, the top cover is equipped with the top cover installed for the needle portion of extraction flask and perforates.Certainly, at other
In embodiment, can also be arranged in the bottle mouth position of extraction flask and buckle, top cover be equipped with the notch or extension that are clasped, pass through
Top cover is connected to the bottle mouth position of extraction flask by buckle.
The specific embodiment 13 of the solid-phase micro-extracting device of the utility model, as the solid phase microextraction to the utility model
Full-time specific embodiment 12 advanced optimizes, and the top cover perforation is stepped hole, including wearing for the needle portion for extracting needle
The extraction needle of dress installs section and the bottleneck linkage section with the bottleneck releasable connection of extraction flask.Certainly, in other embodiments, top cover
Perforation is through-hole, and top cover outer peripheral surface is equipped with the external screw thread being threadedly coupled with extraction flask bottle mouth position.
The specific embodiment 14 of the solid-phase micro-extracting device of the utility model, the solid-phase micro-extracting device with the utility model
The difference of specific embodiment 1 be only that: as shown in figure 3, sample bottle 27 and extraction flask 25 are separate structure, the bottom of sample bottle 27
It is connected between plate and extraction flask 25 by interface channel 26.
The specific embodiment 15 of the solid-phase micro-extracting device of the utility model, the solid-phase micro-extracting device with the utility model
The difference of specific embodiment 1 be only that: as shown in figure 4, the bottom wall of sample bottle 37 is fixed on the side wall of extraction flask 35, extraction
The extraction flask perforation 36 for being connected to extraction flask 35 with sample bottle 37 is additionally provided on the side wall of bottle 35.
The specific embodiment 16 of the solid-phase micro-extracting device of the utility model, the solid-phase micro-extracting device with the utility model
The difference of specific embodiment 1 be only that: set as shown in figure 5, the outer peripheral surface of the bottle mouth position of sample bottle 47 is equipped with upward spiral
The helicla flute 49 set, the inner peripheral surface of corresponding extrusion head 48, which is equipped with, to be slidably matched with helicla flute 49 in rotary squeezing head 48
Guide pin 410, in rotary squeezing head 48, guide pin 410 slided in helicla flute 49 so that extrusion head 48 move up to
Realize the purpose for squeezing sample.
The specific embodiment 17 of the solid-phase micro-extracting device of the utility model, the solid-phase micro-extracting device with the utility model
The difference of specific embodiment 1 be only that: the cavity wall of sample bottle is equipped with the material inlet for entering sample bottle for quick-fried pearl.
The specific embodiment 18 of the solid-phase micro-extracting device of the utility model, the solid-phase micro-extracting device with the utility model
The difference of specific embodiment 1 be only that: extrusion head includes spiro rod section and is placed in spiro rod section upper end and the use hinged with screw rod end
In the platen section for squeezing quick-fried pearl, sample bottle opening is equipped with end cap, and end cap is equipped with the end cap passed through for the screw rod end of extrusion head
The hole wall of perforation, end cap perforation is equipped with the internal screw thread being threadedly engaged with spiro rod section.
The specific embodiment 19 of the solid-phase micro-extracting device of the utility model, the solid-phase micro-extracting device with the utility model
The difference of specific embodiment 1 be only that: on the lower end surface of partition and/or extrusion head compressive plane is equipped with the dentate body of protrusion,
Convenient for the broken of quick-fried pearl crust.
The specific embodiment of the solid phase microextraction pre-treatment component of the utility model, the solid phase microextraction with the utility model
Solid phase microextraction pre-treatment component described in any one of specific embodiment 1-19 of device is identical, repeats no more.
Claims (24)
1. a kind of solid phase microextraction pre-treatment component, it is characterised in that: including extraction flask and sample bottle, installed in sample bottle useful
The sample placed in by it squeezes and by the extrusion structure of the object to be extracted extrusion in it, and extraction flask is connected to sample bottle and is made
The object to be extracted being extruded can enter in extraction flask from sample bottle, and extraction flask has the bottleneck passed through for extraction needle, the bottle
It is equipped at mouthful for the extraction flask sealing structure when extracting needle and being inserted into extraction flask with extraction needle sealing cooperation, the extruding
Structure include extrusion head and with extrusion head in the opposite fixed setting of the direction of extrusion and with sample bottle threaded engagement and when rotated
The spinning structure relatively moved in a pressing direction with sample bottle.
2. solid phase microextraction pre-treatment component according to claim 1, it is characterised in that: the extraction flask and sample bottle one
Body setting.
3. solid phase microextraction pre-treatment component according to claim 2, it is characterised in that: the extraction flask and sample bottle
Bottleneck towards opposite and shared bottom of bottle, the bottom of bottle of the extraction flask and sample bottle is equipped with connecting hole so that extraction flask and sample
Bottle connection.
4. solid phase microextraction pre-treatment component according to claim 3, it is characterised in that: the connecting hole be equipped with it is multiple,
The aperture of each connecting hole is respectively less than the size of sample.
5. solid phase microextraction pre-treatment component described in any one of -4 according to claim 1, it is characterised in that: the extruding knot
Structure includes cylindrical base, and the cylindrical base constitutes the extrusion head, and the spinning structure setting is in cylindrical base
On outer peripheral surface.
6. solid phase microextraction pre-treatment component according to claim 5, it is characterised in that: the spinning structure is that setting exists
External screw thread on cylindrical base outer peripheral surface, the sample bottle is equipped with matches with the external screw thread spiral on cylindrical base outer peripheral surface
The internal screw thread of conjunction.
7. solid phase microextraction pre-treatment component according to claim 6, it is characterised in that: the cylindrical base outer peripheral surface
On external screw thread and sample bottle on internal screw thread seal cooperation.
8. solid phase microextraction pre-treatment component described in any one of -4 according to claim 1, it is characterised in that: the extraction flask
Sealing structure is the rubber seal that the bottle mouth position of extraction flask is arranged in and is needled into for extraction.
9. solid phase microextraction pre-treatment component according to claim 8, it is characterised in that: the rubber seal is rubber
Gasket.
10. solid phase microextraction pre-treatment component according to claim 9, it is characterised in that: the bottle mouth position of the extraction flask
The removable top cover for being fixed with the bottle mouth position for rubber gasket to be fitted in extraction flask.
11. solid phase microextraction pre-treatment component according to claim 10, it is characterised in that: the top cover and extraction flask
Bottle mouth position is threadedly coupled so that the removable bottle mouth position for being fixed on extraction flask of top cover, the top cover are equipped with the needle section for extraction flask
Divide the top cover perforation installed.
12. solid phase microextraction pre-treatment component according to claim 11, it is characterised in that: the top cover perforation is ladder
Hole, the extraction needle including installing for the needle portion for extracting needle installs section and the bottleneck connecting with the whorl of bottleneck of extraction flask connects
Section.
13. solid-phase micro-extracting device, including extraction needle and solid phase microextraction pre-treatment component, it is characterised in that: the solid phase is micro-
Extraction pre-treatment component includes extraction flask and sample bottle, be equipped in sample bottle the sample for will be placed in it squeeze and by its
The extrusion structure that interior object to be extracted squeezes out, extraction flask are connected to sample bottle and enable the object to be extracted being extruded from sample bottle
Into in extraction flask, extraction flask has the bottleneck passed through for extraction needle, and the bottle mouth position is equipped with for being inserted into extraction in extraction needle
The extraction flask sealing structure cooperated when taking in bottle with extraction needle sealing, the extrusion structure include extrusion head and exist with extrusion head
The relatively fixed setting of the direction of extrusion and with sample bottle threaded engagement and occurs in a pressing direction with sample bottle when rotated relatively
Mobile spinning structure.
14. solid-phase micro-extracting device according to claim 13, it is characterised in that: the extraction flask is integrally set with sample bottle
It sets.
15. solid-phase micro-extracting device according to claim 14, it is characterised in that: the extraction flask and sample bottle bottle
Mouthful towards opposite and shared bottom of bottle, the bottom of bottle of the extraction flask and sample bottle is equipped with connecting hole so that extraction flask and sample bottle connect
It is logical.
16. solid-phase micro-extracting device according to claim 15, it is characterised in that: the connecting hole be equipped with it is multiple, each
The aperture of connecting hole is respectively less than the size of sample.
17. solid-phase micro-extracting device described in any one of 3-16 according to claim 1, it is characterised in that: the extrusion structure
Including cylindrical base, the cylindrical base constitutes the extrusion head, and the spinning structure setting is in the outer of cylindrical base
On circumferential surface.
18. solid-phase micro-extracting device according to claim 17, it is characterised in that: the spinning structure is to be arranged in cylinder
External screw thread on shape matrix outer peripheral surface, the sample bottle are equipped with and the external screw thread threaded engagement on cylindrical base outer peripheral surface
Internal screw thread.
19. solid-phase micro-extracting device according to claim 18, it is characterised in that: on the cylindrical base outer peripheral surface
Internal screw thread on external screw thread and sample bottle, which seals, to be cooperated.
20. solid-phase micro-extracting device described in any one of 3-16 according to claim 1, it is characterised in that: the extraction flask is close
Seal structure is the rubber seal that the bottle mouth position of extraction flask is arranged in and is needled into for extraction.
21. solid-phase micro-extracting device according to claim 20, it is characterised in that: the rubber seal is rubber seal
Pad.
22. solid-phase micro-extracting device according to claim 21, it is characterised in that: the bottle mouth position of the extraction flask is removable solid
Surely there is the top cover of the bottle mouth position for rubber gasket to be fitted in extraction flask.
23. solid-phase micro-extracting device according to claim 22, it is characterised in that: the bottle mouth position of the top cover and extraction flask
It is threadedly coupled so that the removable bottle mouth position for being fixed on extraction flask of top cover, the top cover are installed equipped with the needle portion for extraction flask
Top cover perforation.
24. solid-phase micro-extracting device according to claim 23, it is characterised in that: the top cover perforation is stepped hole, packet
Include the bottleneck linkage section that the extraction needle installed for the needle portion for extracting needle installs section and connect with the whorl of bottleneck of extraction flask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820453860.4U CN208287539U (en) | 2018-04-02 | 2018-04-02 | A kind of solid phase microextraction pre-treatment component and solid-phase micro-extracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820453860.4U CN208287539U (en) | 2018-04-02 | 2018-04-02 | A kind of solid phase microextraction pre-treatment component and solid-phase micro-extracting device |
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|---|---|
| CN208287539U true CN208287539U (en) | 2018-12-28 |
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ID=64696140
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|---|---|---|---|
| CN201820453860.4U Withdrawn - After Issue CN208287539U (en) | 2018-04-02 | 2018-04-02 | A kind of solid phase microextraction pre-treatment component and solid-phase micro-extracting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108310804A (en) * | 2018-04-02 | 2018-07-24 | 中国烟草总公司郑州烟草研究院 | Solid phase microextraction pre-treatment component and solid-phase micro-extracting device |
| CN112763633A (en) * | 2021-01-19 | 2021-05-07 | 云南中烟工业有限责任公司 | Device and method for determining heated migration components of filter stick additive by dynamic headspace method |
-
2018
- 2018-04-02 CN CN201820453860.4U patent/CN208287539U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108310804A (en) * | 2018-04-02 | 2018-07-24 | 中国烟草总公司郑州烟草研究院 | Solid phase microextraction pre-treatment component and solid-phase micro-extracting device |
| CN112763633A (en) * | 2021-01-19 | 2021-05-07 | 云南中烟工业有限责任公司 | Device and method for determining heated migration components of filter stick additive by dynamic headspace method |
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