CN216594951U - Full-automatic liquid chromatograph for online detection - Google Patents
Full-automatic liquid chromatograph for online detection Download PDFInfo
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- CN216594951U CN216594951U CN202122912951.4U CN202122912951U CN216594951U CN 216594951 U CN216594951 U CN 216594951U CN 202122912951 U CN202122912951 U CN 202122912951U CN 216594951 U CN216594951 U CN 216594951U
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Abstract
The utility model discloses a full-automatic liquid chromatograph for on-line detection, which relates to the field of full-automatic liquid chromatographs and comprises a full-automatic liquid chromatograph, wherein in order to solve the problem that different mixtures are easy to mix with each other when the extraction and collection of the mixtures in different liquid storage bottles are finished, a placing box is arranged on one side of the full-automatic liquid chromatograph, firstly, the lower surface of a lower supporting plate is attached to the upper surface of a bottle cap, a negative pressure unit is started, the bottle cap is adsorbed and fixed on the lower surface of the lower supporting plate, a pushing unit is started to enable the bottle cap to be moved out from an upper end opening of the liquid storage bottle, at the moment, the position right below a vertical extraction pipeline is driven by a stretching unit to correspond to the upper end opening position of the liquid storage bottle, then the pushing unit is started to enable the vertical extraction pipeline to descend and be inserted into the liquid storage bottle, then the extraction unit is started, the mixtures in the corresponding extraction unit are pumped into the full-automatic liquid chromatograph for automatic separation and analysis, the purpose of automatically extracting the mixture is achieved.
Description
Technical Field
The utility model relates to the field of full-automatic liquid chromatographs, in particular to a full-automatic liquid chromatograph for on-line detection.
Background
The full-automatic liquid chromatograph is a kind of instrument for separating and analyzing mixture, and utilizes the difference of distribution ratio of mixture between mobile phase and stationary phase to make separation-first analysis and identification of mixture.
In the prior art, the liquid chromatograph for fully automatically separating and analyzing the mixture is provided, but in the working process, the extraction and the collection of the mixture in different liquid storage bottles can only be completed, but the different mixtures are easily mixed with each other when the extraction and the collection of the mixture in different liquid storage bottles are completed, so that pollution is formed, and the detection result is influenced.
Therefore, it is necessary to invent a fully automatic liquid chromatograph for on-line detection to solve the above problems.
Disclosure of Invention
The utility model aims to provide a full-automatic liquid chromatograph for on-line detection to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a full-automatic liquid chromatograph of on-line measuring, includes full-automatic liquid chromatograph, one side of full-automatic liquid chromatograph is provided with places the case, it connects to get the chamber to be provided with storage chamber and flush fluid in the case to place, the multiunit stock solution bottle has been placed in the storage chamber, the block is provided with the bottle lid on the stock solution bottle, full-automatic liquid chromatograph's side is located the fixed extraction unit that is provided with in top of placing the case, the upper end of extraction unit is through admission pipe and the inside intercommunication of full-automatic liquid chromatograph, the side of extraction unit and the water tank intercommunication of fixing at full-automatic liquid chromatograph instrument face, the front side intercommunication of extraction unit is provided with the hose, and the end fixing of hose is provided with the connecting pipe, and the lower extreme of connecting pipe is connected with vertical extraction pipeline through screw-thread fit, the outer lane department of vertical extraction pipeline is overlapped from top to bottom and is equipped with clamp ring, The fixed backup pad that is provided with in side of lower clamp ring, the fixed bottom suspension fagging that is provided with in side of lower clamp ring, fixed promotion unit that is provided with between bottom suspension fagging and the last backup pad, the fixed flexible unit that transversely places that is provided with in one side that the bottom suspension fagging was kept away from to the clamp ring down, the tip of flexible unit slides and sets up on the slide rail of full-automatic liquid chromatograph side, the slide rail distributes along full-automatic liquid chromatograph's length direction.
Preferably, a control unit is arranged in the inlet pipe.
In the embodiment, in order to solve the problem that different mixtures are easy to mix with each other to cause pollution and influence detection results when extraction and collection of the mixtures in different liquid storage bottles are completed, a placing box is arranged on one side of a full-automatic liquid chromatograph, when a plurality of groups of liquid storage bottles storing different types of mixtures are placed in a storage cavity, an opening at the upper end of each liquid storage bottle is sealed by a bottle cap clamp, when a telescopic unit is started, the telescopic unit can drive a vertical extraction pipeline to move to the upper part of each liquid storage bottle, firstly, the lower surface of a lower supporting plate is attached to the upper surface of the bottle cap, a negative pressure unit is started, the bottle cap is adsorbed and fixed on the lower surface of the lower supporting plate, a pushing unit is started, so that the bottle cap is moved out from an upper end opening of the liquid storage bottle, at the moment, the lower part of the vertical extraction pipeline is driven by the telescopic unit to correspond to an upper end opening position of the liquid storage bottle, then start the pushing unit for vertical extraction pipeline descends and inserts in the stock solution bottle, restarts the extraction unit, and the inside of the mixture suction full-automatic liquid chromatograph that will correspond in the extraction unit carries out automatic separation and analysis, has accomplished the purpose of automatic extraction mixture.
Preferably, be provided with upper fixed ring, slip ring, lower fixed ring in the connecting pipe, upper fixed ring, slip ring, lower fixed ring from the top down set up, and upper fixed ring and lower fixed ring are all fixed the inner wall that sets up at the connecting pipe, and the slip ring activity laminating is in the inner circle department of connecting pipe, laminates between slip ring and the upper fixed ring, separates the distance that has a slip ring height between slip ring and the lower fixed ring, and the fixed little elastic spring that is provided with between slip ring and the lower fixed ring.
It should be noted that the upper clamping ring is clamped and fixed at the outer ring of the vertical extraction pipeline, and the lower clamping ring is slidably sleeved at the outer ring of the vertical extraction pipeline, so that when the pushing unit is started, the upper clamping ring can clamp the vertical extraction pipeline and move downwards along the lower clamping ring.
Preferably, be provided with the water hole that runs through inside and outside on the connecting pipe, the water hole is circular array form along the outer lane of connecting pipe and distributes, and the water hole setting corresponds the position at the slip ring outer lane when solid fixed ring is closed in the slip ring laminating.
Furthermore, the extraction unit can use a small suction pump and other devices, the telescopic unit and the pushing unit can use an electric push rod or an air cylinder and other devices, and the negative pressure unit can use a negative pressure suction pump and other devices.
Preferably, the length of the vertical extraction pipeline is greater than the height of the liquid storage bottle.
Specifically, the control unit can use devices such as solenoid valve, when the control unit closes, the solenoid valve that water tank and extraction unit junction were provided with is opened, when the extraction unit starts, water in the water tank suction hose in proper order, the connecting pipe, vertical extraction pipeline washes its inner wall, difficult mutual influence when making vertical extraction pipeline insert different stock solution bottles in, and when water washed the connecting pipe inner wall, the decurrent impetus of water can promote the slip hoop and move down the little elasticity spring of compression, make the water hole expose, at this moment, water can follow the outside of water hole department outflow connecting pipe, the outside water of outflow connecting pipe washes along the outer wall of connecting pipe and vertical extraction pipeline.
Preferably, the bottom of the lower supporting plate is lower than the bottom of the lower clamping ring, a negative pressure unit is fixedly arranged on the upper surface of the lower supporting plate, a negative pressure air cavity communicated with the negative pressure unit is formed in the lower supporting plate, and a plurality of groups of negative pressure air holes communicated with the negative pressure air cavity are formed in the bottom surface of the lower supporting plate.
Wherein, the inside storage mechanism of extraction unit intercommunication full-automatic liquid chromatograph, storage mechanism if detect box etc. make things convenient for the inside device of full-automatic liquid chromatograph to detect the sample.
Preferably, a driving assembly for driving the telescopic unit to move along the length direction of the slide rail is arranged in the slide rail.
In the device, drive assembly can use devices such as cylinder or electric putter, plays the purpose that the vertical extraction pipeline of drive removed the stock solution bottle top of difference.
The utility model has the technical effects and advantages that:
1. the utility model relates to a full-automatic liquid chromatograph for on-line detection, which comprises a full-automatic liquid chromatograph, wherein a placing box is arranged at one side of the full-automatic liquid chromatograph, a storage cavity and a flushing fluid receiving cavity are arranged in the placing box, a plurality of groups of liquid storage bottles are placed in the storage cavity, bottle caps are clamped on the liquid storage bottles, in order to solve the problems that different mixtures are easy to mix with each other when the mixtures in different liquid storage bottles are extracted and collected, pollution is caused, and detection results are influenced, a placing box is arranged at one side of the full-automatic liquid chromatograph, when a plurality of groups of liquid storage bottles storing different types of mixtures are placed in the storage cavity, an opening at the upper end of each liquid storage bottle is clamped and sealed by the bottle cap, when a telescopic unit is started, the telescopic unit can drive a vertical extraction pipeline to move to the upper part of each liquid storage bottle, firstly, the lower surface of a lower supporting plate is attached to the upper surface of the bottle cap, starting a negative pressure unit, fixing a bottle cap on the lower surface of a lower supporting plate in an adsorbing manner, starting a pushing unit to enable the bottle cap to move out from an upper end opening of a liquid storage bottle, driving a vertical extraction pipeline to correspond to the upper end opening position of the liquid storage bottle through a telescopic unit, then starting the pushing unit to enable the vertical extraction pipeline to descend and be inserted into the liquid storage bottle, starting an extraction unit again, and pumping a mixture in the corresponding extraction unit into a full-automatic liquid chromatograph for automatic separation and analysis, so that the purpose of automatically extracting the mixture is fulfilled;
2. according to the full-automatic liquid chromatograph for on-line detection, the upper clamping ring is clamped and fixed at the outer ring of the vertical extraction pipeline, and the lower clamping ring is slidably sleeved at the outer ring of the vertical extraction pipeline, so that when the pushing unit is started, the upper clamping ring can clamp the vertical extraction pipeline and move downwards along the lower clamping ring;
3. according to the on-line detection full-automatic liquid chromatograph, when the control unit is closed, the electromagnetic valve arranged at the joint of the water tank and the extraction unit is opened, when the extraction unit is started, water in the water tank is sequentially pumped into the hose, the connecting pipe and the vertical extraction pipeline to wash the inner wall of the water tank, so that the vertical extraction pipeline is not easily influenced mutually when being inserted into different liquid storage bottles, when the water washes the inner wall of the connecting pipe, the downward pushing action of the water can push the sliding ring to move downwards to compress the micro elastic spring, so that water holes are exposed, at the moment, the water can flow out of the connecting pipe from the water holes, and the water flowing out of the connecting pipe washes along the outer walls of the connecting pipe and the vertical extraction pipeline.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention.
FIG. 5 is an enlarged view of the structure at C of FIG. 1 according to the present invention.
In the figure: 1. a full-automatic liquid chromatograph; 2. placing a box; 3. a storage chamber; 4. a liquid storage bottle; 5. a bottle cap; 6. a flushing liquid receiving cavity; 7. a pushing unit; 8. a slide rail; 9. a hose; 10. a water tank; 11. an inlet pipe; 12. an extraction unit; 13. an upper clamping ring; 14. a lower clamping ring; 15. a telescopic unit; 16. an upper support plate; 17. a vertical extraction pipe; 18. a control unit; 19. a connecting pipe; 20. an upper fixing ring; 21. a water pore; 22. a slip ring; 23. a micro-spring; 24. a lower fixing ring; 25. a negative pressure unit; 26. a negative pressure air cavity; 27. negative pressure wind holes; 28. and a lower support plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a full-automatic liquid chromatograph for on-line detection as shown in figures 1-5, which comprises a full-automatic liquid chromatograph 1, wherein a placing box 2 is arranged at one side of the full-automatic liquid chromatograph 1, a storage cavity 3 and a flushing liquid receiving and taking cavity 6 are arranged in the placing box 2, a plurality of groups of liquid storage bottles 4 are arranged in the storage cavity 3, bottle caps 5 are clamped on the liquid storage bottles 4, an extraction unit 12 is fixedly arranged at the side surface of the full-automatic liquid chromatograph 1 above the placing box 2, the upper end of the extraction unit 12 is communicated with the inside of the full-automatic liquid chromatograph 1 through an inlet pipe 11, the side surface of the extraction unit 12 is communicated with a water tank 10 fixed on the surface of the full-automatic liquid chromatograph 1, a hose 9 is communicated at the front side of the extraction unit 12, a connecting pipe 19 is fixedly arranged at the end part of the hose 9, the lower end part of the connecting pipe 19 is connected with a vertical extraction pipe 17 through thread matching, the cover is equipped with clamp ring 13 about the outer lane department of vertical extraction pipeline 17, clamp ring 14 down, the fixed backup pad 16 that is provided with in side of going up clamp ring 13, the fixed bottom suspension fagging 28 that is provided with in side of lower clamp ring 14, fixed promotion unit 7 that is provided with between bottom suspension fagging 28 and the last backup pad 16, one side that bottom suspension fagging 28 was kept away from to lower clamp ring 14 is fixed and is provided with the telescoping unit 15 of horizontal placement, the tip of telescoping unit 15 slides and sets up on the slide rail 8 of full-automatic liquid chromatograph 1 side, slide rail 8 distributes along the length direction of full-automatic liquid chromatograph 1.
A control unit 18 is arranged in the inlet pipe 11.
In the embodiment, in order to solve the problem that different mixtures are easy to mix with each other to cause pollution and affect the detection result when the extraction and collection of the mixtures in different liquid storage bottles are completed, a placing box 2 is arranged on one side of a full-automatic liquid chromatograph 1, when a plurality of groups of liquid storage bottles 4 storing different types of mixtures are placed in a storage cavity 3, an opening at the upper end of each liquid storage bottle 4 is clamped and sealed by a bottle cap 5, when a telescopic unit 15 is started, the telescopic unit 15 can drive a vertical extraction pipeline 17 to move to the upper part of each liquid storage bottle 4, firstly, the lower surface of a lower supporting plate 28 is attached to the upper surface of each bottle cap 5, a negative pressure unit 25 is started, each bottle cap 5 is adsorbed and fixed on the lower surface of a lower supporting plate 28, a pushing unit 7 is started, so that each bottle cap 5 is moved out from an upper end opening of each liquid storage bottle 4, at the moment, the lower part of the vertical extraction pipeline 17 is driven by the telescopic unit 15 to correspond to the upper end opening position of each liquid storage bottle 4, then the pushing unit 7 is started, so that the vertical extraction pipeline 17 descends and is inserted into the liquid storage bottle 4, the extraction unit 12 is started again, the mixture in the corresponding extraction unit 12 is extracted into the full-automatic liquid chromatograph 1 for automatic separation and analysis, and the purpose of automatically extracting the mixture is completed.
An upper fixing ring 20, a sliding ring 22 and a lower fixing ring 24 are arranged in the connecting pipe 19, the upper fixing ring 20, the sliding ring 22 and the lower fixing ring 24 are arranged from top to bottom, the upper fixing ring 20 and the lower fixing ring 24 are both fixedly arranged on the inner wall of the connecting pipe 19, the sliding ring 22 is movably attached to the inner ring of the connecting pipe 19, the sliding ring 22 and the upper fixing ring 20 are attached to each other, a distance of the height of the sliding ring 22 is formed between the sliding ring 22 and the lower fixing ring 24, and a micro-elastic spring 23 is fixedly arranged between the sliding ring 22 and the lower fixing ring 24.
It should be noted that the upper clamping ring 13 is clamped and fixed at the outer ring of the vertical extraction pipe 17, and the lower clamping ring 14 is slidably sleeved at the outer ring of the vertical extraction pipe 17, so that when the pushing unit 7 is started, the upper clamping ring 13 can clamp the vertical extraction pipe 17 and move downwards along the lower clamping ring 14.
The connecting pipe 19 is provided with water holes 21 penetrating through the inside and the outside, the water holes 21 are distributed along the outer ring of the connecting pipe 19 in a circular array shape, and the water holes 21 are arranged at the positions corresponding to the outer ring of the sliding ring 22 when the sliding ring 22 is attached to the upper fixing ring 20.
Further, the drawing unit 12 may be a small suction pump, the telescopic unit 15 and the pushing unit 7 may be an electric push rod or an air cylinder, and the negative pressure unit 25 may be a negative pressure suction pump.
The length of the vertical extraction pipeline 17 is larger than the height of the liquid storage bottle 4.
Specifically, the control unit 18 can use devices such as solenoid valves, when the control unit 18 is closed, the solenoid valve that water tank 10 and extraction unit 12 junction were provided with is opened, when extraction unit 12 starts, with the water in the water tank 10 suction hose 9 in proper order, connecting pipe 19, vertical extraction pipeline 17 washes its inner wall, be difficult for the mutual influence when making vertical extraction pipeline 17 insert different stock solution bottles 4, and when water washed the inner wall of connecting pipe 19, the decurrent impetus of water can promote slip ring 22 and move down and compress little elastic spring 23, make water hole 21 expose, at this moment, the outside of connecting pipe 19 is flowed from water hole 21 department to water, the outside water of flowing connecting pipe 19 washes along the outer wall of connecting pipe 19 and vertical extraction pipeline 17.
The bottom of the lower support plate 28 is lower than the bottom of the lower clamping ring 14, a negative pressure unit 25 is fixedly arranged on the upper surface of the lower support plate 28, a negative pressure air cavity 26 communicated with the negative pressure unit 25 is arranged inside the lower support plate 28, and a plurality of groups of negative pressure air holes 27 communicated with the inside of the negative pressure air cavity 26 are arranged on the bottom surface of the lower support plate 28.
Wherein, the extraction unit 12 communicates with the storage mechanism inside the full-automatic liquid chromatograph 1, and the storage mechanism is such as a detection box, which facilitates the detection of the sample by the device inside the full-automatic liquid chromatograph 1.
The slide rail 8 is provided with a driving component for driving the telescopic unit 15 to move along the length direction of the slide rail 8.
In the device, the driving assembly can use a cylinder or an electric push rod and other devices to drive the vertical extraction pipeline 17 to move to the upper parts of different liquid storage bottles 4.
The working principle is as follows: in order to solve the problems that different mixtures are easy to mix with each other when the extraction and collection of the mixtures in different liquid storage bottles are completed, pollution is formed and the detection result is affected, a placing box 2 is arranged on one side of a full-automatic liquid chromatograph 1, when a plurality of groups of liquid storage bottles 4 storing different types of mixtures are placed in a storage cavity 3, the openings at the upper ends of the liquid storage bottles 4 are clamped and sealed by bottle caps 5, when a telescopic unit 15 is started, the telescopic unit 15 can drive a vertical extraction pipeline 17 to move to the upper part of the liquid storage bottles 4, firstly, the lower surface of a lower support plate 28 is attached to the upper surface of the bottle caps 5, a negative pressure unit 25 is started, the bottle caps 5 are fixedly adsorbed on the lower surface of a lower support plate 28, a pushing unit 7 is started, the bottle caps 5 are moved out from the openings at the upper ends of the liquid storage bottles 4, at the moment, the lower parts of the vertical extraction pipelines 17 are driven to correspond to the upper end opening positions of the liquid storage bottles 4 by the telescopic unit 15, then the pushing unit 7 is started, so that the vertical extraction pipeline 17 descends and is inserted into the liquid storage bottle 4, the extraction unit 12 is started again, the mixture in the corresponding extraction unit 12 is extracted into the full-automatic liquid chromatograph 1 for automatic separation and analysis, and the purpose of automatically extracting the mixture is completed.
Claims (7)
1. The utility model provides a full-automatic liquid chromatograph of on-line measuring, includes full-automatic liquid chromatograph (1), its characterized in that: one side of the full-automatic liquid chromatograph (1) is provided with a placing box (2), a storage cavity (3) and a washing liquid receiving cavity (6) are arranged in the placing box (2), a plurality of groups of liquid storage bottles (4) are placed in the storage cavity (3), bottle caps (5) are clamped on the liquid storage bottles (4), an extraction unit (12) is fixedly arranged on the side of the full-automatic liquid chromatograph (1) above the placing box (2), the upper end of the extraction unit (12) is communicated with the inside of the full-automatic liquid chromatograph (1) through an inlet pipe (11), the side of the extraction unit (12) is communicated with a water tank (10) fixed on the surface of the full-automatic liquid chromatograph (1), a hose (9) is communicated with the front side of the extraction unit (12), a connecting pipe (19) is fixedly arranged at the end part of the hose (9), and the lower end of the connecting pipe (19) is connected with a vertical extraction pipeline (17) through thread fit, the utility model discloses a liquid chromatograph device, including vertical extraction pipeline (17), the outer lane department of vertical extraction pipeline (17) is overlapped from top to bottom and is equipped with clamp ring (13), clamp ring (14) down, and the fixed backup pad (16) of being provided with in side of going up clamp ring (13), the fixed backup pad (28) that is provided with in side of lower clamp ring (14), fixed promotion unit (7) that are provided with between backup pad (16) down, fixed telescopic unit (15) of transversely placing that are provided with in one side of backup pad (28) are kept away from in clamp ring (14) down, the tip of telescopic unit (15) slides and sets up on slide rail (8) of full-automatic liquid chromatograph (1) side, slide rail (8) distribute along the length direction of full-automatic liquid chromatograph (1).
2. The full-automatic liquid chromatograph for on-line detection according to claim 1, wherein: a control unit (18) is arranged in the inlet pipe (11).
3. The full-automatic liquid chromatograph for on-line detection according to claim 2, wherein: be provided with solid fixed ring (20), slip ring (22), lower fixed ring (24) in connecting pipe (19), go up solid fixed ring (20), slip ring (22), lower fixed ring (24) from the top down sets up, goes up solid fixed ring (20) and lower fixed ring (24) and all fixes the inner wall that sets up at connecting pipe (19), and slip ring (22) activity laminating is in the inner circle department of connecting pipe (19), laminates between slip ring (22) and last solid fixed ring (20), separates the distance that has a slip ring (22) height between slip ring (22) and lower fixed ring (24), fixedly between slip ring (22) and lower fixed ring (24) is provided with little elasticity spring (23).
4. The full-automatic liquid chromatograph for on-line detection according to claim 3, wherein: be provided with inside and outside water hole (21) that run through on connecting pipe (19), water hole (21) are circular array form along the outer lane of connecting pipe (19) and distribute, and water hole (21) set up on slip ring (22) laminating solid fixed ring (20) the time correspond the position in slip ring (22) outer lane.
5. The full-automatic liquid chromatograph for on-line detection according to claim 4, wherein: the length of the vertical extraction pipeline (17) is greater than the height of the liquid storage bottle (4).
6. The full-automatic liquid chromatograph for on-line detection according to claim 5, wherein: the bottom of lower support plate (28) is less than the bottom of lower clamp ring (14), and the fixed surface of lower support plate (28) is provided with negative pressure unit (25), the inside of lower support plate (28) is provided with negative pressure wind chamber (26) with negative pressure unit (25) intercommunication, the bottom surface of lower support plate (28) is provided with the inside negative pressure wind hole (27) of multiunit intercommunication negative pressure wind chamber (26).
7. The full-automatic liquid chromatograph for on-line detection according to claim 6, wherein: and a driving component for driving the telescopic unit (15) to move along the length direction of the sliding rail (8) is arranged in the sliding rail (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122912951.4U CN216594951U (en) | 2021-11-25 | 2021-11-25 | Full-automatic liquid chromatograph for online detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122912951.4U CN216594951U (en) | 2021-11-25 | 2021-11-25 | Full-automatic liquid chromatograph for online detection |
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| Publication Number | Publication Date |
|---|---|
| CN216594951U true CN216594951U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122912951.4U Active CN216594951U (en) | 2021-11-25 | 2021-11-25 | Full-automatic liquid chromatograph for online detection |
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| Country | Link |
|---|---|
| CN (1) | CN216594951U (en) |
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2021
- 2021-11-25 CN CN202122912951.4U patent/CN216594951U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Fully Automatic Liquid Chromatograph for On line Detection Effective date of registration: 20221109 Granted publication date: 20220524 Pledgee: Bank of Nanjing Co.,Ltd. Huai'an branch Pledgor: Jiangsu Zixing Chemical Co.,Ltd. Registration number: Y2022980021352 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |