CN113552279A - Quick sample preparation equipment for ion chromatographic analysis test - Google Patents
Quick sample preparation equipment for ion chromatographic analysis test Download PDFInfo
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- CN113552279A CN113552279A CN202110823855.4A CN202110823855A CN113552279A CN 113552279 A CN113552279 A CN 113552279A CN 202110823855 A CN202110823855 A CN 202110823855A CN 113552279 A CN113552279 A CN 113552279A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 title claims abstract description 13
- 238000004587 chromatography analysis Methods 0.000 title description 3
- 238000000605 extraction Methods 0.000 claims abstract description 67
- 238000004255 ion exchange chromatography Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000004458 analytical method Methods 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims description 71
- 238000003825 pressing Methods 0.000 claims description 39
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 28
- 238000003556 assay Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000945 filler Substances 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 238000002414 normal-phase solid-phase extraction Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/96—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation using ion-exchange
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N2030/062—Preparation extracting sample from raw material
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to an ion chromatography analytical test rapid sample preparation equipment belongs to ion chromatography testing's field, and it includes the frame, be equipped with advancing mechanism in the frame, advancing mechanism includes the air bag ball, the vent department intercommunication of air bag ball has the breather pipe, the mouth of pipe of breather pipe is towards the introduction port of extraction post. This application is passed through the gasbag ball and is applyed atmospheric pressure in to the extraction post, and the filler in the extraction post is penetrated and is crowded into reagent pipe after the water sample pressurized in the extraction post, has the effect of simplifying operation process, improvement test operation efficiency.
Description
Technical Field
The application relates to the technical field of ion chromatography detection tests, in particular to a rapid sample preparation device for an ion chromatography analysis test.
Background
Ion chromatography is one type of high performance liquid chromatography, a liquid chromatography method that analyzes anions and cations.
In the process of carrying out an ion chromatography analysis test, a certain amount of water sample is firstly drawn, the water sample is filtered once and then added into a solid phase extraction column containing C18, and then the extraction column is used for carrying out extraction treatment on the water sample. One end of the extraction column is a sample inlet, the other section is an extrusion port, and solid-phase fillers are arranged in the extraction column and positioned at the extrusion port. In the related art, the operation process of passing a water sample through an extraction column is as follows: the injection port of the extraction column is connected with a joint and a control valve, then the injector nozzle with air inside is connected with the control valve, at the moment, a closed cavity is formed in the extraction column, the joint, the control valve and the injector, then a piston of the injector is pushed, so that air pressure acts on a water sample in the extraction column, and under the action of the air pressure, the water sample is pressed to permeate through a filler of the extraction column and fall into a reagent tube, thereby achieving the purpose of extraction.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: during extraction, the operation process of connecting and installing the extraction column with the connecting joint, the control valve and the injector is complex, and especially when water samples in the extraction column are more, the actual operation process is more inconvenient.
Disclosure of Invention
In order to improve the inconvenient problem of extraction process operation, the application provides an ion chromatography analysis test rapid sampling equipment.
The application provides a quick system appearance equipment of ion chromatography analysis test adopts following technical scheme:
the utility model provides an ion chromatography analytical test rapid sample preparation equipment, includes the frame, be equipped with advancing mechanism in the frame, advancing mechanism includes the air bag ball, the vent department intercommunication of air bag ball has the breather pipe, the mouth of pipe of breather pipe is towards the introduction port of extraction post.
Through adopting above-mentioned technical scheme, gasbag ball pressurized can be to transmitting atmospheric pressure in the extraction post, and atmospheric pressure has the oppression effect to the water sample in the extraction post, and the extraction post is extruded to the water sample pressurized because gasbag ball is elastic material itself, and accessible extrusion is realized sealedly between its and the introduction port of extraction post, need not the sealing connection of other spare parts, has simplified the extraction operation, makes experimental sample operation process more convenient.
Optionally, a fixed plate is arranged on the rack, the propulsion mechanism comprises an extrusion assembly, the extrusion assembly comprises a main pressing plate and a side pressing plate, an extrusion guide pillar is fixedly connected to the fixed plate and penetrates through the side pressing plate, the side pressing plate is provided with two parallel plates, the surfaces of the main pressing plate and the side pressing plate are perpendicular, the main guide pillar is fixedly connected to the extrusion guide pillar and penetrates through the main pressing plate, matching plates are arranged on two opposite sides of the main pressing plate, matching grooves for the matching plates to penetrate through are formed in the side pressing plate, and the propulsion mechanism further comprises a driving assembly which is used for controlling the main pressing plate and the side pressing plate to move.
Through adopting above-mentioned technical scheme, side pressure board and main clamp plate move towards the gasbag ball jointly to carry out the extrusion to the gasbag ball.
Optionally, the driving assembly comprises an extrusion screw rod, the extrusion screw rod is rotatably connected with the fixed plate, the axis of the extrusion screw rod is parallel to the length direction of the extrusion guide pillar, the extrusion screw rod is in threaded connection with the side pressure plates, the extrusion screw rod controls the two side pressure plates to move in opposite directions or in opposite directions, the driving assembly further comprises an extrusion rope, one end of the extrusion rope is fixedly connected with the extrusion screw rod, and the other end of the extrusion rope is fixedly connected with the main pressure plate.
Through adopting above-mentioned technical scheme, the extrusion lead screw rotates, and two side pressure boards remove in opposite directions, and the extrusion lead screw pulls the extrusion rope simultaneously, makes main clamp plate also press to the air bag ball.
Optionally, the driving assembly further includes a return spring, the return spring is coaxial with the main guide post, one end of the return spring is abutted to the extrusion guide post, and the other end of the return spring is abutted to the main pressing plate.
Through adopting above-mentioned technical scheme, reset spring supports main clamp plate, and when drive assembly did not extrude the gasbag ball, main clamp plate does not contact with the gasbag ball, forms great place space promptly between main clamp plate and the side pressure board and supplies placing of gasbag ball.
Optionally, advancing mechanism still includes the centre gripping subassembly, the centre gripping subassembly includes centre gripping pincers and control, the centre gripping pincers are equipped with two, the one end of centre gripping pincers is articulated with one side that the fixed plate is towards the air bag ball, two the one end that the fixed plate was kept away from to the centre gripping pincers respectively with the relative both sides butt of breather pipe, the control is used for controlling the rotation of the relative fixed plate of centre gripping pincers.
Through adopting above-mentioned technical scheme, the centre gripping pincers with gasbag ball clamping fixed so that the gasbag ball gets into operating condition, the centre gripping pincers open can relieve the clamping subassembly to the fixed state of gasbag ball, be convenient for take off the gasbag ball.
Optionally, the control part includes a control rod and a connecting rod, the control rod slides relative to the fixed plate, the length direction of the control rod is perpendicular to the plate surface of the fixed plate, one end of the connecting rod is hinged to one end of the control rod facing the balloon, and one end of the connecting rod, which is far away from the control rod, is hinged to the clamping pincers.
By adopting the technical scheme, the control rod, the connecting rod and the clamping pincers form the crank-connecting rod mechanism, and the control rod moves to control the rotation of the clamping pincers, so that the clamping pincers are opened or closed.
Optionally, a fixing seat is fixedly connected to one side of the fixing plate, which is away from the airbag ball, the fixing seat is connected with the control rod in a sliding manner, a positioning hole is formed in the end portion, away from the connecting rod, of the control rod, a locking pin penetrates through the positioning hole and is inserted into the fixing seat.
Through adopting above-mentioned technical scheme, pass the control lever with the locking round pin and insert the fixing base, the locking round pin just produces limiting displacement to the control lever, and the control lever just can't continue to remove, and the position state of centre gripping pincers is also fixed.
Optionally, the pushing mechanism further comprises a lifting cylinder, the lifting cylinder is arranged on the frame, the end of a piston rod of the lifting cylinder is fixedly connected with the fixing seat, and the moving direction of the piston rod of the lifting cylinder is consistent with the length direction of the extraction column.
Through adopting above-mentioned technical scheme, the lift cylinder makes the fixing base remove, makes the relative distance of gasbag ball and extraction column adjustable, makes getting of extraction column put operating space and has more the flexibility.
Optionally, a sealing plug is fixedly connected to a vent of the balloon, and the sealing plug is used for sealing a sample inlet of the extraction column.
By adopting the technical scheme, the plugging plug is used for plugging the injection port of the extraction column so as to improve the air tightness of the joint of the air bag ball and the extraction column.
Optionally, a clamping piece for mounting the extraction column is arranged on the machine frame, the clamping piece is a clamping ring, and a mounting notch is formed in the clamping ring.
By adopting the technical scheme, the installation gap of the clamping ring can be used for the extraction column lateral wedge to be installed in the clamping ring, namely the occupation of longitudinal space can be saved in the installation process of the extraction column.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the air bag ball, the air bag ball fills air pressure into the extraction column, the air pressure acts on a water sample in the extraction column, the water sample is extruded out of the extraction column under the action of the air pressure, and the air bag ball is made of an elastic material and can be sealed with the sample inlet of the extraction column through extrusion without the sealing connection of other parts, so that the extraction operation is simplified, and the experimental sampling operation process is more convenient;
2. through the setting of extrusion subassembly and drive assembly, drive assembly control side clamp plate and main clamp plate extrude the gasbag ball to make the gasbag ball produce the atmospheric pressure that acts on the extraction post inside, so that sample extraction work goes on smoothly.
Drawings
FIG. 1 is a schematic structural diagram of a rapid sample preparation device for embodying an ion chromatography assay in an embodiment of the present application.
Fig. 2 is a schematic structural diagram for embodying the clamping assembly in the embodiment of the present application.
FIG. 3 is a schematic diagram of an embodiment of the present application for embodying the operation of the extrusion assembly and the drive assembly.
Description of reference numerals: 1. a frame; 11. placing a rack; 12. clamping a piece; 121. clamping a ring; 122. installing a notch; 13. a lifting cylinder; 14. a guide post; 15. a fixed seat; 16. a fixing plate; 2. a propulsion mechanism; 3. an extrusion assembly; 31. a main pressure plate; 311. a mating plate; 32. side pressing plates; 321. a mating groove; 4. a drive assembly; 41. a drive motor; 42. extruding the screw rod; 43. extruding the rope; 44. extruding the guide pillar; 45. a main guide post; 46. a return spring; 5. a clamping assembly; 51. a holding clamp; 52. a connecting rod; 53. a control lever; 531. positioning holes; 532. a locking pin; 6. an air bag ball; 61. a breather pipe; 62. blocking; 7. an extraction column; 71. a sample inlet; 72. an extrusion port; 8. and a reagent tube.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses fast sample preparation equipment for an ion chromatography analysis test, which comprises a rack 1, wherein a placing rack 11 and a clamping piece 12 are fixed on the rack 1, the placing rack 11 is used for placing a reagent tube 8 for bearing a sample, the clamping piece 12 is positioned above the placing rack 11, and the clamping piece 12 is used for placing an extraction column 7 containing C18; a propulsion mechanism 2 is also provided, the propulsion mechanism 2 being adapted to apply air pressure into the extraction column 7.
As shown in fig. 1 and 2, one end of the extraction column 7 is a sample inlet 71, the other end is an extrusion outlet 72, and a flange structure is formed at the edge of the sample inlet 71 of the extraction column 7. The placing rack 11 is a test tube rack capable of placing a reagent tube 8, the clamping piece 12 is a clamping ring 121 for hanging an extraction column 7, and the clamping ring 121 is made of thermoplastic fluidized rubber; the clamping ring 121 is provided with an installation notch 122, and the extraction column 7 can be clamped on the clamping ring 121 after the installation notch 122 is opened. When the reagent tube 8 is positioned in the placing frame 11, the clamping ring 121 is coaxial with the reagent tube 8, then the extraction column 7 is clamped in the clamping ring 121, the axis of the extraction column 7 is parallel to the straight line of the gravity direction, and the extrusion opening 72 of the extraction column 7 and the tube opening of the reagent tube 8 are positioned at the same height.
As shown in fig. 1 and 2, the propelling mechanism 2 includes a lifting cylinder 13 mounted on the frame 1, a piston rod of the lifting cylinder 13 contracts in a direction consistent with a gravity direction, and a fixed seat 15 is fixedly connected to an end of the piston rod of the lifting cylinder 13. Still weld guide post 14 on frame 1, the length direction of guide post 14 is unanimous with the flexible direction of the piston rod of lift cylinder 13, and guide post 14 passes fixing base 15, and it provides direction and support for the removal of fixing base 15. The fixed seat 15 is provided with a clamping component 5, an extrusion component 3 and a driving component 4, one side of the extraction column 7, which is far away from the reagent tube 8, is provided with an air bag ball 6, and the air bag ball 6 is a power element used for applying air pressure to the extraction column 7. A vent pipe 61 is integrally formed at the vent opening of the air bag ball 6, and the opening of the vent pipe 61 faces to the sample inlet 71 of the extraction column 7. The mouth of the vent pipe 61 is fixedly connected with a sealing plug 62, and when the mouth of the vent pipe 61 extends into the sample inlet 71 of the extraction column 7, the sealing plug 62 abuts against the edge of the sample inlet 71, so that the air tightness of the sample inlet 71 is improved. The clamping assembly 5 is used for clamping and fixing the air bag ball 6, the extrusion assembly 3 is used for extruding the air bag ball 6, and the driving assembly 4 is used for providing working power for the extrusion assembly 3.
As shown in fig. 2, a fixing plate 16 is welded on one side of the fixing seat 15, the clamping assembly 5 comprises a clamping pliers 51 and a control member, and the control member consists of a control rod 53 and a connecting rod 52; the clamping pincers 51 are hinged to one side, away from the fixed seat 15, of the fixed plate 16, the number of the clamping pincers 51 is two, and the rotating plane of the clamping pincers 51 is perpendicular to the straight line of the length direction of the extraction column 7. Every centre gripping pincers 51 all is located the one end of centre gripping pincers 51 with the articulated place of fixed plate 16, and semicircular breach has been seted up to the one end that fixed plate 16 was kept away from to centre gripping pincers 51, and when fixed plate 16 was kept away from to two centre gripping pincers 51 one section mutual butt, the breach of two centre gripping pincers 51 tip just pieced together into the hole that air pipe 61 that is an air bag ball 6 inserted and passes through, and the tip of two centre gripping pincers 51 this moment respectively with the relative both sides butt of air pipe 61 to this carries out the centre gripping to air bag ball 6 and fixes.
As shown in fig. 2, the control rod 53 is connected to the fixed seat 15 in a sliding manner, the sliding direction is the length direction of the control rod 53, one end of the control rod 53 passes through the fixed plate 16, the number of the connecting rods 52 is two, one end of each of the two connecting rods 52 is hinged to one end of the control rod 53 facing the airbag ball 6, and the rotation plane of the connecting rod 52 is parallel to the rotation plane of the clamp 51. One end of the single connecting rod 52, which is far away from the control rod 53, is hinged to the middle of one of the clamping jaws 51, that is, the control rod 53, the connecting rod 52 and the clamping jaw 51 jointly form two crank-link mechanisms on the fixing plate 16, and the movement of the control rod 53 drives the rotation of the clamping jaw 51. A positioning hole 531 is formed in one end of the control rod 53 away from the connecting rod 52, a length direction of the positioning hole 531 is perpendicular to a length direction of the control rod 53, a locking pin 532 penetrates through the positioning hole 531 on the control rod 53, and a locking hole (not shown in the figure) is formed in the fixed seat 15. When the positioning hole 531 and the locking hole are coaxial, the ends of the two clamping pincers 51 abut against the vent pipe 61 of the air bag ball 6; then, the locking pin 532 is inserted into the locking hole after passing through the positioning hole 531, the control lever 53 cannot move, and the clamping assembly 5 forms a stable clamping state for the airbag ball 6.
As shown in fig. 1 and 3, the pressing assembly 3 includes a main pressing plate 31 and a side pressing plate 32, and the driving assembly 4 includes a driving motor 41, a pressing screw 42, and a pressing guide post 44. The driving motor 41 is installed on the fixing seat 15, the extruding screw rod 42 is located on one side of the fixing plate 16 departing from the fixing seat 15 and is connected with the fixing plate 16 in a rotating mode, the extruding guide post 44 is fixed to one side of the fixing plate 16 departing from the fixing seat 15 in a welding mode, the length directions of the extruding guide post 44 and the extruding screw rod 42 are consistent, and the extruding guide post 44 and the extruding screw rod 42 are located on two opposite sides of the airbag ball 6 respectively. The two side pressing plates 32 are respectively positioned at two opposite sides of the airbag ball 6, the extrusion guide post 44 and the extrusion screw rod 42 simultaneously penetrate through the two side pressing plates 32, the extrusion screw rod 42 is in threaded connection with the side pressing plates 32, the plate surfaces of the side pressing plates 32 are perpendicular to the plate surface of the fixed plate 16, the two side pressing plates 32 can move towards or away from each other under the driving action of the extrusion screw rod 42 and the guiding action of the extrusion guide post 44, and when the two side pressing plates 32 move towards each other, the two side pressing plates 32 have an extrusion effect on the airbag ball 6. In order to improve the relative position stability of the extruding screw rod 42 and the extruding guide post 44, one end of the extruding screw rod 42 and one end of the extruding guide post 44, which are far away from the fixing plate 16, are connected with the same steel plate, the extruding screw rod 42 is rotatably connected with the steel plate, and the extruding guide post 44 is welded and fixed with the steel plate.
As shown in fig. 3, a main guide post 45 is welded and fixed on the extrusion guide post 44, the length direction of the main guide post 45 is parallel to the guide post 14, the main pressure plate 31 is located on one side of the air bag ball 6 away from the extraction post 7, the main guide post 45 penetrates through the main pressure plate 31, a return spring 46 is sleeved on the main guide post 45, one end of the return spring 46 is abutted against the extrusion guide post 44, the other end is abutted against the main pressure plate 31, and the return spring 46 always applies thrust to the main pressure plate 31. The extrusion assembly 3 further comprises an extrusion rope 43, the extrusion rope 43 is a steel wire rope, one end of the extrusion rope 43 is welded and fixed on the circumferential surface of the middle part of the extrusion screw rod 42, and the other end of the extrusion rope is welded and fixed on one side of the main pressure plate 31 facing the air bag ball 6; when the extruding screw rod 42 rotates, the extruding screw rod 42 winds the extruding rope 43, and the extruding rope 43 pulls the main pressing plate 31 to move towards the air bag ball 6, so that the main pressing plate 31 applies pressure to the air bag ball 6 on one side of the air bag ball 6 far away from the extraction column 7. The two side pressure plates 32 are respectively positioned at two opposite sides of the main pressure plate 31, the two opposite sides of the main pressure plate 31 are integrally formed with matching plates 311, the matching plates 311 are positioned at one side of the main pressure plate 31 facing the side pressure plates 32, and the length direction of the side pressure plates 32 is consistent with the length direction of the extrusion guide columns 44; the side pressure plate 32 is provided with a matching groove 321, the depth direction of the matching groove 321 is consistent with the length direction of the main guide pillar 45, when the side pressure plate 32 and the main pressure plate 31 move simultaneously, the matching plate 311 slides in the matching groove 321, so that the main pressure plate 31 and the side pressure plate 32 are matched and guided with each other, and the state stability of the extrusion assembly 3 in the working process is improved.
The implementation principle of the rapid sample preparation equipment for the ion chromatographic analysis test in the embodiment of the application is as follows:
placing a reagent tube 8 on the placing frame 11, placing the extraction column 7 containing the water sample in the clamping ring 121, moving the control rod 53, and controlling the clamping assembly 5 to clamp and fix the airbag ball 6 by matching with the locking pin 532; then, the lifting cylinder 13 is operated, when the plug 62 plugs the sample inlet 71 of the extraction column 7, the lifting cylinder 13 stops working, and then the extrusion assembly 3 can start working. The driving motor 41 drives the extrusion screw rod 42 to rotate, the extrusion screw rod 42 and the extrusion rope 43 respectively enable the main pressure plate 31 and the side pressure plate 32 to simultaneously move towards the airbag ball 6, and an extrusion effect is formed on the airbag ball 6 (in order to enable all parts of the equipment to run smoothly, the connection positions of the main pressure plate 31, the matching plate 311, the side pressure plate 32, the main guide post 45 and the like need to be fully lubricated before operation). After the air bag ball 6 is pressed, air pressure is transmitted into the extraction column 7 through the air pipe 61, a water sample in the extraction column 7 seeps through the filler under the action of the air pressure and flows to the extrusion port 72, and the water sample falls into the reagent pipe 8 through the extrusion port 72, so that the extraction work is finished.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an ion chromatography analysis test rapid sample preparation equipment which characterized in that: the device comprises a rack (1), wherein a propelling mechanism (2) is arranged on the rack (1), the propelling mechanism (2) comprises an air bag ball (6), an air vent of the air bag ball (6) is communicated with an air vent pipe (61), and the pipe orifice of the air vent pipe (61) faces to a sample inlet (71) of an extraction column (7).
2. The rapid sample preparation device for ion chromatography assay according to claim 1, wherein: the push mechanism (2) comprises an extrusion assembly (3), the extrusion assembly (3) comprises a main pressing plate (31) and side pressing plates (32), an extrusion guide post (44) is fixedly connected to the fixing plate (16), the extrusion guide post (44) penetrates through the side pressing plates (32), the side pressing plates (32) are provided with two plates parallel to the plate surface of the fixing plate (16), the plate surface of the main pressing plate (31) is perpendicular to the plate surface of the side pressing plates (32), a main guide post (45) is fixedly connected to the extrusion guide post (44), the main guide post (45) penetrates through the main pressing plate (31), matching plates (311) are arranged on two opposite sides of the main pressing plate (31), matching grooves (321) for the matching plates (311) to penetrate through are formed in the side pressing plates (32), the push mechanism (2) further comprises a driving assembly (4), the driving assembly (4) is used for controlling the main pressure plate (31) and the side pressure plate (32) to move.
3. The rapid sample preparation device for ion chromatography assay according to claim 2, wherein: the driving assembly (4) comprises an extrusion screw rod (42), the extrusion screw rod (42) is rotatably connected with the fixing plate (16), the axis of the extrusion screw rod (42) is parallel to the length direction of the extrusion guide pillar (44), the extrusion screw rod (42) is in threaded connection with the side pressing plates (32), the extrusion screw rod (42) controls the two side pressing plates (32) to move in the opposite direction or in the opposite direction, the driving assembly (4) further comprises an extrusion rope (43), one end of the extrusion rope (43) is fixedly connected with the extrusion screw rod (42), and the other end of the extrusion rope is fixedly connected with the main pressing plate (31).
4. The rapid ion chromatography assay sample preparation device according to claim 3, wherein: the driving assembly (4) further comprises a return spring (46), the return spring (46) is coaxial with the main guide post (45), one end of the return spring (46) is abutted to the extrusion guide post (44), and the other end of the return spring is abutted to the main pressure plate (31).
5. The rapid sample preparation device for ion chromatography assay according to claim 2, wherein: advancing mechanism (2) still include centre gripping subassembly (5), centre gripping subassembly (5) are including centre gripping pincers (51) and control, centre gripping pincers (51) are equipped with two, the one end of centre gripping pincers (51) is articulated with fixed plate (16) towards one side of air bag ball (6), two the one end that fixed plate (16) were kept away from in centre gripping pincers (51) respectively with the relative both sides butt of breather pipe (61), the control is used for controlling the rotation of centre gripping pincers (51) relative fixed plate (16).
6. The rapid ion chromatography assay sample preparation device according to claim 5, wherein: the control piece comprises a control rod (53) and a connecting rod (52), the control rod (53) and the fixing plate (16) slide relatively, the length direction of the control rod (53) is perpendicular to the plate surface of the fixing plate (16), one end of the connecting rod (52) is hinged to one end, facing the air bag ball (6), of the control rod (53), and one end, far away from the control rod (53), of the connecting rod (52) is hinged to the clamping pincers (51).
7. The rapid ion chromatography assay sample preparation device according to claim 6, wherein: the fixing plate is characterized in that a fixing seat (15) is fixedly connected to one side, away from the air bag ball (6), of the fixing plate (16), the fixing seat (15) is connected with a control rod (53) in a sliding mode, a positioning hole (531) is formed in the end portion, away from the connecting rod (52), of the control rod (53), a locking pin (532) penetrates through the positioning hole (531) in the control rod (53), and the locking pin (532) penetrates through the positioning hole (531) and is inserted into the fixing seat (15).
8. The rapid ion chromatography assay sample preparation device according to claim 7, wherein: advancing mechanism (2) still include lift cylinder (13), on frame (1) was located in lift cylinder (13), the piston rod tip and fixing base (15) fixed connection of lift cylinder (13), the piston rod moving direction of lift cylinder (13) is unanimous with the length direction of extraction post (7).
9. The rapid sample preparation device for ion chromatography assay according to claim 1, wherein: the air vent of the air bag ball (6) is fixedly connected with a sealing plug (62), and the sealing plug (62) is used for sealing a sample inlet (71) of the extraction column (7).
10. The rapid sample preparation device for ion chromatography assay according to claim 1, wherein: the extraction column fixing device is characterized in that a clamping piece (12) used for installing the extraction column (7) is arranged on the rack (1), the clamping piece (12) is a clamping ring (121), and an installation notch (122) is formed in the clamping ring (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110823855.4A CN113552279B (en) | 2021-07-21 | 2021-07-21 | Quick sample preparation equipment for ion chromatographic analysis test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110823855.4A CN113552279B (en) | 2021-07-21 | 2021-07-21 | Quick sample preparation equipment for ion chromatographic analysis test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113552279A true CN113552279A (en) | 2021-10-26 |
| CN113552279B CN113552279B (en) | 2024-02-06 |
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| CN113552279B (en) | 2024-02-06 |
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