CN117538554A - Sampling mechanism of analytical instrument - Google Patents
Sampling mechanism of analytical instrument Download PDFInfo
- Publication number
- CN117538554A CN117538554A CN202311458037.4A CN202311458037A CN117538554A CN 117538554 A CN117538554 A CN 117538554A CN 202311458037 A CN202311458037 A CN 202311458037A CN 117538554 A CN117538554 A CN 117538554A
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- sampling
- fixedly arranged
- detection
- base
- pump
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- 238000005070 sampling Methods 0.000 title claims abstract description 68
- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 54
- 238000012360 testing method Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 10
- 230000008602 contraction Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N2035/1027—General features of the devices
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a sampling mechanism of an analysis instrument, which comprises a base, a support frame and a fixing frame, wherein the support frame is fixedly arranged at the top of the base, the fixing frame is fixedly arranged at the top of the base, and the sampling mechanism also comprises an intermittent sampling assembly, a conveying assembly and a detection assembly. The invention belongs to the technical field of analysis sampling, and particularly relates to a sampling mechanism of an analysis instrument, which can rapidly complete sampling and conveying operation of samples in each test tube through intermittent rotation adjustment of a disc, high-speed accurate sliding of a sliding block and expansion and contraction of a hydraulic rod, and efficiently mix the samples with detection reagents, rapidly detect and conveniently discharge the samples and the detection reagents, thereby improving the overall working efficiency.
Description
Technical Field
The invention belongs to the technical field of analysis sampling, and particularly relates to a sampling mechanism of an analysis instrument.
Background
At present, most of sampling mechanisms used on various medical analyzers such as trace element analyzers, biochemical analyzers and the like depend on import, and the imported sampling mechanisms are high in operation precision and high in sampling speed, but are complex in structure and high in price and maintenance cost, and most of the existing domestic sampling mechanisms have the defects of low operation precision and low sampling speed due to the defects of self design, so that the working efficiency needs to be improved.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the sampling mechanism of the analysis instrument, which can rapidly complete the sampling and conveying operation of samples in each test tube through intermittent rotation adjustment of the disc, high-speed accurate sliding of the sliding block and expansion and contraction of the hydraulic rod, efficiently mix the samples with the detection reagent, rapidly detect and conveniently discharge the samples and the detection reagent, and improve the overall working efficiency.
The technical scheme adopted by the invention is as follows: the sampling mechanism of the analytical instrument comprises a base, a support frame and a fixing frame, wherein the support frame is fixedly arranged at the top of the base, the fixing frame is fixedly arranged at the top of the base, and the sampling mechanism also comprises an intermittent sampling assembly, a conveying assembly and a detection assembly;
the intermittent sampling assembly is arranged at the top of the base and comprises a supporting column, a driven gear, a disc, a servo motor, an incomplete gear, a test tube rack and a placing seat, wherein the supporting column is rotationally arranged at the top of the base, the driven gear is fixedly arranged at the middle position of the supporting column, the disc is fixedly arranged at the upper end of the supporting column, the servo motor is fixedly arranged at the top of the base, the incomplete gear is fixedly arranged at the output end of the servo motor, the incomplete gear is meshed with the driven gear, the test tube rack is fixedly arranged at the top of the disc, the test tube rack is arranged in an annular equidistant arrangement mode, the placing seat is fixedly arranged at the top of the disc, and the placing seat is arranged in an annular equidistant arrangement mode and is arranged at the middle position of the test tube rack.
Further, the base top is located to conveying component, conveying component includes linear guide, slider, hydraulic stem, backup pad, sampling pump, sampling tube, pre-store section of thick bamboo, delivery pump, delivery pipe, pump and liquid feeding pipe, linear guide is fixed to be located the base top, the slider slides and locates on the linear guide, the slider top is fixed to be located to the hydraulic stem, the hydraulic stem free end is fixed to be located to the backup pad, the backup pad top is fixed to the sampling pump, the sampling tube is located the sampling pump input and is located the backup pad bottom, the backup pad top is fixed to be located to the delivery pump, the delivery pipe is located the delivery pump output, the backup pad top is fixed to the pump is located to the pump, the pump output is located to the liquid feeding pipe, pre-store section of thick bamboo is connected between sampling pump output and delivery pump input.
Further, the detection component is arranged on the fixing frame and the supporting frame, the detection component comprises an electric push rod, detection equipment, a detection cylinder, a valve, a vibration motor and a collection cylinder, the electric push rod penetrates through the supporting frame to be fixedly arranged on the supporting frame, the detection equipment is fixedly arranged at the free end of the electric push rod, the detection cylinder penetrates through the fixing frame to be fixedly arranged on the fixing frame, the valve is arranged at the lower end of the detection cylinder, the vibration motor is fixedly arranged on the bottom wall of the top of the fixing frame, the vibration motor is symmetrically arranged, and the collection cylinder is fixedly arranged on the fixing frame.
Further, an electromagnetic valve is arranged at the middle position of the liquid adding pipe, and a one-way valve is arranged at the middle position of the conveying pipe.
Further, be equipped with the gusset plate between the support frame lateral wall, the bottom is all around high, middle low setting in the detection section of thick bamboo, the collection section of thick bamboo top is the opening setting, the collection section of thick bamboo top is in detection section of thick bamboo below, the collection section of thick bamboo top is the infundibulate setting.
Further, the top of the placing seat is provided with a ball groove, and the ball groove is positioned right below the center of the test tube rack.
After the structure is adopted, the invention has the following beneficial effects: the invention provides a sampling mechanism of an analysis instrument, which comprises:
(1) The test tubes with samples to be detected can be placed at the same time, and the discs are intermittently rotated and adjusted under the action of the driven gear through uniform rotation of the incomplete gear;
(2) The linear guide rail drives the slide block to rapidly and accurately slide in cooperation with the expansion and contraction of the hydraulic rod, so that the sampling and conveying operation of the sample can be completed;
(3) The mixing effect of the sample and the detection reagent in the detection cylinder is improved, and the sample is rapidly subjected to detection treatment;
(4) And the detected reagent is efficiently discharged, so that the next detection work is facilitated.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
FIG. 1 is a schematic diagram showing the overall structure of a sampling mechanism of an analyzer according to the present invention;
FIG. 2 is a schematic perspective view of a sampling mechanism of an analyzer according to the present invention;
FIG. 3 is a schematic view showing the top structure of a support plate of a sampling mechanism of an analyzer according to the present invention;
FIG. 4 is a schematic diagram of the structure of a support column and driven gear of a sampling mechanism of an analyzer according to the present invention;
FIG. 5 is a half cross-sectional view of a test tube rack of a sampling mechanism of an analytical instrument according to the present invention;
FIG. 6 is a cross-sectional view of a collection canister of a sampling mechanism of an analytical instrument according to the present invention;
FIG. 7 is a cross-sectional view of a test cartridge of a sampling mechanism of an analytical instrument according to the present invention.
In the drawings: 1. the device comprises a base, 2, a support frame, 3, a fixing frame, 4, a support column, 5, a driven gear, 6, a disc, 7, a servo motor, 8, an incomplete gear, 9, a test tube rack, 10, a placing seat, 11, a linear guide rail, 12, a sliding block, 13, a hydraulic rod, 14, a support plate, 15, a sampling pump, 16, a sampling tube, 17, a pre-storing cylinder, 18, a conveying pump, 19, a conveying pipe, 20, a pumping pump, 21, a liquid adding pipe, 22, an electric push rod, 23, a detection device, 24, a detection cylinder, 25, a valve, 26, a vibration motor, 27, a collecting cylinder, 28, an electromagnetic valve, 29, a one-way valve, 30, a reinforcing plate, 31 and a ball groove.
Detailed Description
As shown in fig. 1-2, a sampling mechanism of an analytical instrument comprises a base 1, a support frame 2 and a fixing frame 3, wherein the support frame 2 is fixedly arranged at the top of the base 1, the fixing frame 3 is fixedly arranged at the top of the base 1, and the sampling mechanism further comprises an intermittent sampling assembly, a conveying assembly and a detection assembly.
As shown in fig. 1, 2, 4 and 5, the intermittent sampling assembly is arranged at the top of the base 1, and comprises a support column 4, a driven gear 5, a disc 6, a servo motor 7, an incomplete gear 8, a test tube rack 9 and a placing seat 10.
As shown in fig. 1, 2 and 3, the conveying assembly is arranged at the top of the base 1, and comprises a linear guide rail 11, a sliding block 12, a hydraulic rod 13, a supporting plate 14, a sampling pump 15, a sampling tube 16, a pre-storing cylinder 17, a conveying pump 18, a conveying tube 19, a pumping pump 20 and a liquid adding tube 21.
As shown in fig. 1, 2, 6 and 7, a detection assembly is provided on the fixing frame 3 and the supporting frame 2, and the detection assembly includes an electric push rod 22, a detection device 23, a detection cylinder 24, a valve 25, a vibration motor 26 and a collection cylinder 27.
In order to simultaneously place a plurality of groups of test tubes and complete sample sampling work in a matched mode, the support column 4 is rotationally arranged at the top of the base 1, the driven gear 5 is fixedly arranged at the middle position of the support column 4, the disc 6 is fixedly arranged at the upper end of the support column 4, the servo motor 7 is fixedly arranged at the top of the base 1, the incomplete gear 8 is fixedly arranged at the output end of the servo motor 7, the incomplete gear 8 is meshed with the driven gear 5, the test tube rack 9 is fixedly arranged at the top of the disc 6, the test tube rack 9 is arranged in an annular equidistant manner, the placing seat 10 is fixedly arranged at the top of the disc 6, the placing seat 10 is arranged in an annular equidistant manner, the placing seat 10 is arranged at the middle position of the test tube rack 9, the top of the placing seat 10 is provided with the ball groove 31, and the ball groove 31 is positioned right below the center of the test tube rack 9.
In order to rapidly complete sampling and conveying operations of samples, the linear guide rail 11 is fixedly arranged at the top of the base 1, the sliding block 12 is slidably arranged on the linear guide rail 11, the hydraulic rod 13 is fixedly arranged at the top of the sliding block 12, the supporting plate 14 is fixedly arranged at the free end of the hydraulic rod 13, the sampling pump 15 is fixedly arranged at the top of the supporting plate 14, the sampling pipe 16 is arranged at the input end of the sampling pump 15 and at the bottom of the supporting plate 14, the conveying pump 18 is fixedly arranged at the top of the supporting plate 14, the conveying pipe 19 is arranged at the output end of the conveying pump 18, the extracting pipe is fixedly arranged at the top of the supporting plate 14, the liquid adding pipe 21 is arranged at the output end of the extracting pump, the pre-storing cylinder 17 is connected between the output end of the sampling pump 15 and the input end of the conveying pump 18, the electromagnetic valve 28 is arranged at the middle position of the liquid adding pipe 21, and the one-way valve 29 is arranged at the middle position of the conveying pipe 19.
In order to rapidly complete sample detection work and prepare for the next detection work, the electric push rod 22 penetrates through the support frame 2 to be fixedly arranged on the support frame 2, the detection equipment 23 is fixedly arranged at the free end of the electric push rod 22, the detection cylinder 24 penetrates through the fixing frame 3 to be fixedly arranged on the fixing frame 3, the valve 25 is arranged at the lower end of the detection cylinder 24, the vibration motor 26 is fixedly arranged on the bottom wall of the top of the fixing frame 3, the vibration motor 26 is symmetrically arranged, the collection cylinder 27 is fixedly arranged on the fixing frame 3, the bottom in the detection cylinder 24 is in peripheral high and middle low arrangement, the top of the collection cylinder 27 is in an opening arrangement, the top of the collection cylinder 27 is just under the detection cylinder 24, and the top of the collection cylinder 27 is in a funnel arrangement.
Wherein, a reinforcing plate 30 is arranged between the side walls of the support frame 2.
In specific use, the input end of the extracting pump is connected in a box filled with detection reagent through a hose, the test tube filled with the sample is sequentially placed in the test tube rack 9, the bottom of the test tube is inserted into the ball groove 31, the linear guide rail 11 is controlled to slide the slide block 12 to a proper position, the hydraulic rod 13 is controlled to shrink, the sampling tube 16 is downwards moved and inserted into the test tube, the sampling pump 15 is started to suck the sample into the pre-storing barrel 17, the linear guide rail 11 is controlled to slide the slide block 12 to one side close to the fixed frame 3, the hydraulic rod 13 is controlled to extend to a proper height in the sliding process, the conveying pump 18, the extracting pump, the electromagnetic valve 28 and the servo motor 7 are started to concentrate the sample at the upper end of the conveying tube 19, the incomplete gear 8 is controlled to drive the driven gear 5 to rotate by the operation of the servo motor 7 to rotationally adjust the test tube rack 9, when the slide block 12 slides to the lower end of the conveying pipe 19 and is positioned at the top of the detection barrel 24, the check valve 29 is opened, a sample and a detection reagent enter the detection barrel 24 at the same time, then the slide block 12 is controlled to slide to the side close to the disc 6, the vibration motor 26 is started, the sample inside the detection barrel 24 is mixed with the detection reagent, the electric push rod 22 is controlled to extend to enable the detection equipment 23 to detect the sample, the valve 25 is opened after the detection is finished, the sample and the detection reagent inside the detection barrel 24 are discharged into the collection barrel 27 for uniform collection, and when the slide block 12 slides to enable the sampling pipe 16 to move above the disc 6, the next group of test tube racks 9 are just adjusted, and then the next sampling operation can be performed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (6)
1. The utility model provides a sampling mechanism of analytical instrument, includes base, support frame and mount, the support frame is fixed to be located the base top, the mount is fixed to be located the base top, its characterized in that: the device also comprises an intermittent sampling assembly, a conveying assembly and a detection assembly;
the intermittent sampling assembly is arranged at the top of the base and comprises a supporting column, a driven gear, a disc, a servo motor, an incomplete gear, a test tube rack and a placing seat, wherein the supporting column is rotationally arranged at the top of the base, the driven gear is fixedly arranged at the middle position of the supporting column, the disc is fixedly arranged at the upper end of the supporting column, the servo motor is fixedly arranged at the top of the base, the incomplete gear is fixedly arranged at the output end of the servo motor, the incomplete gear is meshed with the driven gear, the test tube rack is fixedly arranged at the top of the disc, the test tube rack is arranged in an annular equidistant arrangement mode, the placing seat is fixedly arranged at the top of the disc, and the placing seat is arranged in an annular equidistant arrangement mode and is arranged at the middle position of the test tube rack.
2. A sampling mechanism for an analytical instrument as claimed in claim 1, wherein: the utility model provides a liquid feeding device, including base, conveying component, base top, conveying component includes linear guide, slider, hydraulic stem, backup pad, sampling pump, sampling tube, pre-store section of thick bamboo, delivery pump, conveyer pipe, aspiration pump and liquid feeding pipe, the linear guide is fixed to be located the base top, the slider slides and locates on the linear guide, the slider top is fixed to be located to the hydraulic stem, the hydraulic stem free end is fixed to be located to the backup pad, the backup pad top is fixed to be located to the sampling pump, sampling tube locates sampling pump input and locates the backup pad bottom, the backup pad top is fixed to the delivery pump, the delivery pump output is located to the conveyer pipe, the backup pad top is fixed to be located to the aspiration tube, the pump output is located to the liquid feeding pipe, pre-store section of thick bamboo is connected between sampling pump output and delivery pump input.
3. A sampling mechanism for an analytical instrument as claimed in claim 2, wherein: the detection component is arranged on the fixing frame and the supporting frame and comprises an electric push rod, detection equipment, a detection cylinder, a valve, a vibrating motor and a collecting cylinder, wherein the electric push rod penetrates through the supporting frame to be fixedly arranged on the supporting frame, the detection equipment is fixedly arranged at the free end of the electric push rod, the detection cylinder penetrates through the fixing frame to be fixedly arranged on the fixing frame, the valve is arranged at the lower end of the detection cylinder, the vibrating motor is fixedly arranged on the bottom wall of the top of the fixing frame, the vibrating motor is symmetrically arranged, and the collecting cylinder is fixedly arranged on the fixing frame.
4. A sampling mechanism for an analytical instrument according to claim 3, wherein: the liquid adding pipe intermediate position is equipped with the solenoid valve, conveyer pipe intermediate position is equipped with the check valve.
5. The sampling mechanism of an analytical instrument of claim 4, wherein: the utility model discloses a detection device, including support frame, collection tube, support frame lateral wall, detection tube, collection tube, support frame lateral wall, be equipped with the gusset plate between the support frame lateral wall, the bottom is around high, middle low setting in the detection tube, the collection tube top is the opening setting, the collection tube top is in detection tube below, the collection tube top is the infundibulate setting.
6. The sampling mechanism of an analytical instrument of claim 5, wherein: the top of the placing seat is provided with a ball groove, and the ball groove is positioned right below the center of the test tube rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311458037.4A CN117538554A (en) | 2023-11-04 | 2023-11-04 | Sampling mechanism of analytical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311458037.4A CN117538554A (en) | 2023-11-04 | 2023-11-04 | Sampling mechanism of analytical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117538554A true CN117538554A (en) | 2024-02-09 |
Family
ID=89792933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311458037.4A Withdrawn CN117538554A (en) | 2023-11-04 | 2023-11-04 | Sampling mechanism of analytical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117538554A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118021355A (en) * | 2024-04-12 | 2024-05-14 | 兴化市宝中宝化妆品有限公司 | Bronchoalveolar lavage liquid collection device |
-
2023
- 2023-11-04 CN CN202311458037.4A patent/CN117538554A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118021355A (en) * | 2024-04-12 | 2024-05-14 | 兴化市宝中宝化妆品有限公司 | Bronchoalveolar lavage liquid collection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20240209 |
|
| WW01 | Invention patent application withdrawn after publication |