CN207703778U - A kind of automatic sampling apparatus - Google Patents
A kind of automatic sampling apparatus Download PDFInfo
- Publication number
- CN207703778U CN207703778U CN201721918924.5U CN201721918924U CN207703778U CN 207703778 U CN207703778 U CN 207703778U CN 201721918924 U CN201721918924 U CN 201721918924U CN 207703778 U CN207703778 U CN 207703778U
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- plate
- valve rod
- sampling apparatus
- automatic sampling
- storage tank
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Abstract
The utility model is related to a kind of automatic sampling apparatus, including bottom plate, the support leg being connected with bottom plate is provided with below bottom plate, driving motor is additionally provided on bottom plate, the body of driving motor is fixedly arranged on the bottom surface of bottom plate, the output shaft of driving motor passes through the upper surface of bottom plate and is connect with pallet, the surface of pallet is equipped with support plate, the surface of support plate is provided with reservoir, the capillary being connected to reservoir is additionally provided in support plate, cover board is provided with above support plate, the surface of cover board offers perforation, perforation is positioned at the surface of reservoir, fixed plate is additionally provided with above cover board, fixed plate is fixedly installed in rack, multiple sample injectors being fixedly connected with fixed plate are provided with below fixed plate, multiple sample injectors are circumferentially uniformly distributed, and circumference radius and perforation radius of turn to etc..The automatic sampling apparatus of the utility model is simple in structure, easy to operate.
Description
Technical field
The utility model is related to a kind of sampling device more particularly to a kind of automatic sampling apparatus.
Background technology
Capillary Electrophoresis (capillary electrophoresis, CE), be one kind using capillary as split tunnel, with
High-voltage dc is the novel liquid-phase isolation technics of driving force.It enables analytical chemistry from microlitre horizontally entering into a nanoliter water
It is flat, and make it possible single cell analysis or even single molecule analysis.Point of our large biological molecule of long-standing problem such as protein
Also therefore there is new favourable turn from analysis.The basic structure of capillary electrophoresis system includes sampling system, buffering liquid groove, high-voltage electricity
Source, detector, control system and data processing system.Wherein, the sample injection method of sampling system has pressure (pressurization) sample introduction, negative pressure
(decompression) sample introduction, siphon sample introduction and electronic (electromigration) sample introduction etc..Existing sampling device structure is complex, in addition, existing
Sampling device cleaned firstly the need of to sampling device when testing different samples, cleaning complete after again will not
Same sample, which is loaded into sampling device, carries out sample introduction, operates so cumbersome.
In view of the above shortcomings, the designer, is actively subject to research and innovation, it is a kind of new structural automatic to found
Sampling device makes it with more the utility value in industry.
Utility model content
In order to solve the above technical problems, the purpose of this utility model be to provide it is a kind of simple in structure, easy to operate automatic
Sampling device.
The automatic sampling apparatus of the utility model, including bottom plate are provided with below the bottom plate and to be connected with the bottom plate
Support leg is additionally provided with driving motor on bottom plate, and the body of the driving motor is fixedly arranged on the bottom surface of the bottom plate, driving electricity
The output shaft of machine passes through the upper surface of bottom plate and is connect with pallet, and the surface of the pallet is equipped with support plate, the surface of the support plate
It is provided with reservoir, the capillary being connected to the reservoir is additionally provided in support plate, cover board, cover board are provided with above support plate
Surface offer perforation, the perforation is additionally provided with fixed plate above the surface of the reservoir, the cover board,
The fixed plate is fixedly installed in rack, and multiple sample injections being fixedly connected with fixed plate are provided with below fixed plate
Device, multiple sample injectors are circumferentially uniformly distributed, and the radius of circumference and the radius of turn of perforation to etc..
Further, the automatic sampling apparatus of the utility model, the sample injector include ontology, the ontology it is upper
Offer valve rod storage tank on surface, open up convex block storage tank on the bottom surface of the valve rod storage tank, be equipped in the ontology from
The convex block storage tank medial surface extends to the fluid outlet channels of ontology bottom surface, and the fluid outlet channels hold with the convex block
Slot connection is set, is equipped with valve rod compatible with valve rod storage tank in the valve rod storage tank, the bottom surface of valve rod is equipped with and convex block
The convex block of storage tank adaptation, the top of the ontology are provided with connecting flange, and the surface of the connecting flange is provided with magnet, institute
The top for stating valve rod passes through connecting flange and is connect with mounting plate, and the top of the valve rod is fixedly arranged on mounting plate, the installation
It is provided with the first electromagnet being connected with mounting plate on the bottom surface of plate, slide bar, the top of the slide bar are additionally provided on mounting plate
Be fixedly arranged on the lower surface of mounting plate, the bottom end of slide bar passes through the connecting flange and connect with limited block, the limited block and
It is additionally provided with elastic device between connecting flange, working chamber is further opened on the top surface of the valve rod, is arranged in the working chamber
There are piston, the piston to be contacted with the medial surface of working chamber, mounting box, the mounting box are additionally provided on the top surface of the mounting plate
It is inside provided with the gas inlet pipe being connected to the working chamber, driving cylinder and solenoid valve, the driving are additionally provided in mounting box
The output end of cylinder is connected to gas inlet pipe, drives the input terminal of cylinder to be connect with external air source by solenoid valve, in valve rod
Portion is provided with the liquid input channel that the convex block bottom surface is extended to from the working chamber bottom surface.
Further, the automatic sampling apparatus of the utility model, the elastic device are spring.
Further, the automatic sampling apparatus of the utility model is provided with the second electromagnetism on the top surface of the connecting flange
Iron.
Further, the bottom end of the automatic sampling apparatus of the utility model, the ontology is provided with base cone, the base cone
Bottom end is provided with rectangular connecting block, and the bottom surface of the rectangular connecting block is defeated equipped with the liquid being connected to the fluid outlet channels
Outlet, the reservoir is the rectangular channel being adapted in the rectangular connecting block.
Further, the automatic sampling apparatus of the utility model is provided with circular orbit on the surface of the bottom plate, described
Multiple sliding blocks being adapted to circular orbit are provided in circular orbit, the sliding block top is connect with the pallet.
Further, the automatic sampling apparatus of the utility model, the support plate are made of glass, and the capillary is to carry
The tube seat etched on plate.
According to the above aspect of the present invention, the utility model has at least the following advantages：The automatic sampling apparatus of the utility model, bottom
It is provided with pallet above plate, support plate is provided in pallet, the surface of support plate is equipped with reservoir, lid is provided with above support plate
The surface of plate, cover board is equipped with perforation corresponding with reservoir, and multiple sample notes being fixedly arranged in rack are additionally provided with above cover board
Emitter, pallet drive rotation, with the rotation of pallet, the support plate and lid that are set on pallet by the driving motor below bottom plate
Plate also follows rotation, until the perforation of cover board is rotated to corresponding sample injector, then operating personnel are referred to by control
It enables, by sample by sample injector, perforation injection reservoir, to complete sample introduction, operating personnel after the completion of sample introduction
Carry out Capillary Electrophoresis measurement.When if necessary to replace sample, operating personnel need to only pass through driving motor rotary-tray so that right
The sample injection machine alignment reservoir answered, it is very easy to use.
In conclusion the automatic sampling apparatus of the utility model is simple in structure, easy to operate.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Description of the drawings
Fig. 1 is the structural schematic diagram of the automatic sampling apparatus of the utility model；
Fig. 2 is the partial enlarged view in the portions A in Fig. 1；
Fig. 3 is the structural schematic diagram of sample injector；
Fig. 4 is the structural schematic diagram of ontology.
In figure, 1：Ontology；2：Valve rod storage tank；3：Convex block storage tank；4：Fluid outlet channels；5：Valve rod；6：Convex block；7：
Connecting flange；8：Magnet；9：First electromagnet；10：Slide bar；11：Elastic device；12：Limited block；13：Working chamber；14：Piston；
15：Gas inlet pipe；16：Drive cylinder；17：Solenoid valve；18：Liquid input channel；19：Sample input pipe；20：Second electromagnetism
Iron；21：Base cone；22：Mounting box；23：Bottom plate；24：Support leg；25：Driving motor；26：Pallet；27：Support plate；28：Reservoir；
29：Cover board；30：Perforation；31：Fixed plate；32：Sample injector；33：Rectangular connecting block；34：Sliding block.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Referring to Fig. 1 to Fig. 4, a kind of automatic sampling apparatus of one preferred embodiment of the utility model, including bottom plate 23, bottom plate
Lower section is provided with the support leg 24 being connected with bottom plate, is additionally provided with driving motor 25 on bottom plate, the body of driving motor is fixedly arranged on
On the bottom surface of bottom plate, the output shaft of driving motor passes through the upper surface of bottom plate and is connect with pallet 26, and the surface of pallet, which is equipped with, to be carried
The surface of plate 27, support plate is provided with reservoir 28, and the capillary (not shown) being connected to reservoir is additionally provided in support plate,
Be provided with cover board 29 above support plate, the surface of cover board offers perforation 30, perforation positioned at the surface of reservoir, cover board it is upper
Side is additionally provided with fixed plate 31, and fixed plate is fixedly installed in rack (not shown), is provided with below fixed plate multiple
The sample injector 32 being fixedly connected with fixed plate, multiple sample injectors are circumferentially uniformly distributed, and the radius of circumference with wear
The radius of turn in hole to etc..
The automatic sampling apparatus of the utility model is provided with pallet above bottom plate, support plate, support plate is provided in pallet
Surface be equipped with reservoir, cover board is provided with above support plate, the surface of cover board is equipped with perforation corresponding with reservoir, cover board
Top is additionally provided with multiple sample injectors being fixedly arranged in rack, and pallet drives rotation by the driving motor below bottom plate, with
The rotation for pallet, the support plate and cover board being set on pallet also follow rotation, until the perforation of cover board is rotated to corresponding sample
Below product syringe, then operating personnel are injected sample in reservoir by sample injector, perforation by control instruction,
To complete sample introduction, operating personnel can carry out Capillary Electrophoresis measurement after the completion of sample introduction.When if necessary to replace sample, operation
Personnel need to only pass through driving motor rotary-tray so that corresponding sample injection machine is directed at reservoir, very easy to use.
Preferably, the automatic sampling apparatus of the utility model, sample injector includes ontology 1, on the upper surface of ontology
Valve rod storage tank 2 is offered, convex block storage tank 3 is opened up on the bottom surface of valve rod storage tank, is equipped with out of convex block storage tank in ontology
Side extends to the fluid outlet channels 4 of ontology bottom surface, and fluid outlet channels are connected to convex block storage tank, are set in valve rod storage tank
There are valve rod 5 compatible with valve rod storage tank, the bottom surface of valve rod to be equipped with the convex block 6 being adapted to convex block storage tank, the top of ontology
End is provided with connecting flange 7, and the surface of connecting flange is provided with magnet 8, and the top of valve rod passes through connecting flange and and mounting plate
Connection, the top of valve rod are fixedly arranged on mounting plate, and the first electromagnet 9 being connected with mounting plate is provided on the bottom surface of mounting plate,
Slide bar 10 is additionally provided on mounting plate, the top of slide bar is fixedly arranged on the lower surface of mounting plate, and the bottom end of slide bar passes through connection method
Orchid simultaneously connect with limited block, and elastic device 11 is additionally provided between limited block 12 and connecting flange, is also opened up on the top surface of valve rod
There is working chamber 13, piston 14 is provided in working chamber, piston is contacted with the medial surface of working chamber, is additionally provided on the top surface of mounting plate
Mounting box 22 is provided with the gas inlet pipe 15 being connected to working chamber in mounting box, and driving 16 He of cylinder is additionally provided in mounting box
Solenoid valve 17 drives the output end of cylinder to be connected to gas inlet pipe, and the input terminal of cylinder is driven to pass through solenoid valve and external gas
Source connects, and stem internal is provided with the liquid input channel 18 that convex block bottom surface is extended to from working chamber bottom surface.The lateral surface of valve rod
On be additionally provided with the sample input pipe 19 being connected to working chamber, liquid input channel.
When specific works, external control system connects the connection between driving cylinder and external air source by solenoid valve, outside
Portion's air source is transmitted to by gas inlet pipe in working chamber, and is acted to the piston in working chamber, pressure of the piston in gas
It moves down, and makes in the sample transfer to liquid input channel below piston under power, at the same time, the first electromagnet is opened
It opens, the magnet being oppositely arranged with the first electromagnet overcomes the elastic force of elastic device to act on simultaneously under the repulsive interaction of the first electromagnet
It drives ontology to move down, to open the connection between liquid input channel and fluid outlet channels, it is logical to be located at liquid input
Sample in road is entered by convex block storage tank in fluid outlet channels, is finally exported from fluid outlet channels to reservoir,
Operating personnel personnel can control the distance that ontology moves down by controlling the magnetic force size of the first electromagnet, to indirect control
The size of fluid outlet channels switching value realizes the micro input of sample, simple in structure, easy to operate.
Preferably, the automatic sampling apparatus of the utility model, elastic device is spring.
Preferably, the automatic sampling apparatus of the utility model, the second electromagnet 20 is provided on the top surface of connecting flange.
The setting of second electromagnet further enhances repulsive force of first electromagnet to connecting flange so that connection method
Blue and ontology can move down under the repulsion force effect of the first electromagnet and the second electromagnet.
Preferably, the automatic sampling apparatus of the utility model, the bottom end of ontology is provided with base cone 21, and the bottom end of base cone is set
It is equipped with rectangular connecting block 33, the bottom surface of rectangular connecting block is equipped with the liquid outlet being connected to fluid outlet channels, reservoir
For the rectangular channel being adapted in rectangular connecting block.
The setting of rectangular connecting block and rectangular channel makes sample be not susceptible to leak.When specific works, rectangular connecting block exists
Ontology is driven through in perforation and partial insertion rectangular channel.
Preferably, the automatic sampling apparatus of the utility model, circular orbit, circular orbit are provided on the surface of bottom plate
Multiple sliding blocks 34 being adapted to circular orbit are inside provided with, sliding block top is connect with pallet.
The setting of sliding block and circular orbit so that pallet is more stable when rotating.
Preferably, the automatic sampling apparatus of the utility model, support plate are made of glass, capillary is to be etched on support plate
The tube seat gone out.
Above are merely preferred embodiments of the utility model, it is not intended to limit the utility model, it is noted that for
For those skilled in the art, without deviating from the technical principle of the utility model, if can also make
Dry improvement and modification, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of automatic sampling apparatus, it is characterised in that：Including bottom plate, it is provided with below the bottom plate and is connected with the bottom plate
Support leg is additionally provided with driving motor on bottom plate, and the body of the driving motor is fixedly arranged on the bottom surface of the bottom plate, driving electricity
The output shaft of machine passes through the upper surface of bottom plate and is connect with pallet, and the surface of the pallet is equipped with support plate, the surface of the support plate
It is provided with reservoir, the capillary being connected to the reservoir is additionally provided in support plate, cover board, cover board are provided with above support plate
Surface offer perforation, the perforation is additionally provided with fixed plate above the surface of the reservoir, the cover board,
The fixed plate is fixedly installed in rack, and multiple sample injections being fixedly connected with fixed plate are provided with below fixed plate
Device, multiple sample injectors are circumferentially uniformly distributed, and the radius of circumference and the radius of turn of perforation to etc..
2. automatic sampling apparatus according to claim 1, it is characterised in that：The sample injector includes ontology, described
Valve rod storage tank is offered on the upper surface of ontology, and convex block storage tank, the ontology are opened up on the bottom surface of the valve rod storage tank
It is interior to be equipped with the fluid outlet channels that ontology bottom surface is extended to from the convex block storage tank medial surface, the fluid outlet channels and institute
The connection of convex block storage tank is stated, valve rod compatible with valve rod storage tank is equipped in the valve rod storage tank, is set on the bottom surface of valve rod
There are the convex block being adapted to convex block storage tank, the top of the ontology to be provided with connecting flange, the surface setting of the connecting flange
There are magnet, the top of the valve rod to pass through connecting flange and connect with mounting plate, the top of the valve rod is fixedly arranged on mounting plate,
It is provided with the first electromagnet being connected with mounting plate on the bottom surface of the mounting plate, slide bar, the cunning are additionally provided on mounting plate
The top of bar is fixedly arranged on the lower surface of mounting plate, and the bottom end of slide bar passes through the connecting flange and connect with limited block, described
It is additionally provided with elastic device between limited block and connecting flange, working chamber, the work are further opened on the top surface of the valve rod
Intracavitary is provided with piston, and the piston is contacted with the medial surface of working chamber, and mounting box, institute are additionally provided on the top surface of the mounting plate
The gas inlet pipe for being provided in mounting box and being connected to the working chamber is stated, driving cylinder and solenoid valve are additionally provided in mounting box,
The output end of the driving cylinder is connected to gas inlet pipe, and the input terminal of cylinder is driven to connect by solenoid valve and external air source
It connects, stem internal is provided with the liquid input channel that the convex block bottom surface is extended to from the working chamber bottom surface.
3. automatic sampling apparatus according to claim 2, it is characterised in that：The elastic device is spring.
4. automatic sampling apparatus according to claim 3, it is characterised in that：Is provided on the top surface of the connecting flange
Two electromagnet.
5. automatic sampling apparatus according to claim 4, it is characterised in that：The bottom end of the ontology is provided with base cone, institute
The bottom end for stating base cone is provided with rectangular connecting block, and the bottom surface of the rectangular connecting block is equipped with to be connected to the fluid outlet channels
Liquid outlet, the reservoir is the rectangular channel being adapted in the rectangular connecting block.
6. automatic sampling apparatus according to claim 1, it is characterised in that：It is provided with circular rails on the surface of the bottom plate
Road is provided with multiple sliding blocks being adapted to circular orbit in the circular orbit, and the sliding block top is connect with the pallet.
7. automatic sampling apparatus according to claim 1, it is characterised in that：The support plate is made of glass, the capillary
Pipe is the tube seat etched on support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918924.5U CN207703778U (en) | 2017-12-29 | 2017-12-29 | A kind of automatic sampling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918924.5U CN207703778U (en) | 2017-12-29 | 2017-12-29 | A kind of automatic sampling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207703778U true CN207703778U (en) | 2018-08-07 |
Family
ID=63030678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721918924.5U Expired - Fee Related CN207703778U (en) | 2017-12-29 | 2017-12-29 | A kind of automatic sampling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207703778U (en) |
-
2017
- 2017-12-29 CN CN201721918924.5U patent/CN207703778U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20181229 |