CN114289085A - Sample bag storage device for tetrodotoxin extraction sample - Google Patents
Sample bag storage device for tetrodotoxin extraction sample Download PDFInfo
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- CN114289085A CN114289085A CN202111656615.6A CN202111656615A CN114289085A CN 114289085 A CN114289085 A CN 114289085A CN 202111656615 A CN202111656615 A CN 202111656615A CN 114289085 A CN114289085 A CN 114289085A
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- plate
- transverse plate
- spring
- side plate
- groove
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- CFMYXEVWODSLAX-QOZOJKKESA-N tetrodotoxin Chemical compound O([C@@]([C@H]1O)(O)O[C@H]2[C@@]3(O)CO)[C@H]3[C@@H](O)[C@]11[C@H]2[C@@H](O)N=C(N)N1 CFMYXEVWODSLAX-QOZOJKKESA-N 0.000 title claims abstract description 19
- 229950010357 tetrodotoxin Drugs 0.000 title claims abstract description 19
- CFMYXEVWODSLAX-UHFFFAOYSA-N tetrodotoxin Natural products C12C(O)NC(=N)NC2(C2O)C(O)C3C(CO)(O)C1OC2(O)O3 CFMYXEVWODSLAX-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000003860 storage Methods 0.000 title claims abstract description 16
- 238000000605 extraction Methods 0.000 title claims description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 34
- 238000003825 pressing Methods 0.000 claims description 33
- 238000004146 energy storage Methods 0.000 claims description 11
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000010257 thawing Methods 0.000 abstract description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 239000003053 toxin Substances 0.000 description 2
- 231100000765 toxin Toxicity 0.000 description 2
- 101710138657 Neurotoxin Proteins 0.000 description 1
- PQLVXDKIJBQVDF-UHFFFAOYSA-N acetic acid;hydrate Chemical compound O.CC(O)=O PQLVXDKIJBQVDF-UHFFFAOYSA-N 0.000 description 1
- 229930013930 alkaloid Natural products 0.000 description 1
- 150000003797 alkaloid derivatives Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 210000001672 ovary Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 231100000925 very toxic Toxicity 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a sample bag storage device for tetrodotoxin extracted samples, which comprises a left side plate and a right side plate, wherein a mounting transverse plate is fixed between the left side plate and the right side plate, a water receiving disc is arranged between the left side plate and the right side plate, a clamping unit is arranged on the mounting transverse plate and comprises a telescopic clamping strip and a return spring, connecting rods are arranged on two sides of the top surface of the telescopic clamping strip, penetrate through the mounting transverse plate and are in sliding fit with the mounting transverse plate, a limiting plate is fixed at the upper end of each connecting rod, the return spring is sleeved outside the part, located between the limiting plate and the mounting transverse plate, of each connecting rod, a release mechanism capable of clamping or releasing the connecting rods is arranged in the mounting transverse plate, when the connecting rods are clamped by the elastic release mechanism, a placing gap for placing sample bags is formed in the gaps between the telescopic clamping strip and the mounting transverse plate, and when the elastic clamping mechanism is separated from the connecting rods, the telescopic clamping strip is tightly pressed on the mounting bottom transverse plate. The invention has the advantages of high sample thawing speed, convenient sample bag taking and placing, good use stability, capability of avoiding condensed water dripping during thawing and the like.
Description
Technical Field
The invention relates to a storage device for a sample bag, in particular to a storage device for a frozen tetrodotoxin extraction sample.
Background
Tetrodotoxin (TTX) is a non-protein neurotoxin and a very toxic alkaloid. In order to research the pollution condition of TTX in aquatic products, tissues with high TTX content need to be selected to extract TTX, and extract is separated and purified. The main method for extracting TTX is a biological tissue extraction method, which comprises the following specific steps: selecting a sample with high toxin content (such as biological tissues of liver, ovary and the like), extracting with acetic acid water solution or acetic acid organic solvent for proper times by using proper material-to-liquid ratio and temperature until most of the toxin in the tissues is dissolved out, and then separating and purifying. When the number of the extracted samples after grinding and homogenizing is compared or extraction is not carried out temporarily, the samples are usually put into a sealed plastic sample bag, are placed at the temperature of minus 20 ℃ for freezing storage, and are taken out before extraction for thawing.
At present, the sample bags filled with samples are generally stacked in a plastic storage frame for storage and unfreezing during unfreezing, so that the following problems can be caused: (1) samples are piled together, the thawing speed is slow, and the taking is inconvenient; (2) when the sample bag is taken out, the condensed water drips down to affect the cleanliness of the operation environment.
Disclosure of Invention
The invention aims to solve the problems of the existing sample bag storage mode for extracting the sample from the tetrodotoxin, and provides the sample bag storage device which has the advantages of ingenious structure, high sample thawing speed, convenient sample bag taking and placing, good use stability and capability of avoiding the tetrodotoxin dropping from condensed water during thawing to extract the sample.
In order to achieve the purpose, the invention adopts the following technical scheme: the invention relates to a sample bag storage device for tetrodotoxin extracted samples, which comprises a left side plate and a right side plate, wherein at least one mounting transverse plate is fixed between the left side plate and the right side plate, a water receiving disc is also arranged between the left side plate and the right side plate, at least one clamping unit for clamping sample bags is arranged on the mounting transverse plate, the clamping unit comprises a telescopic clamping strip and a return spring, the telescopic clamping strip is positioned below the mounting transverse plate, connecting rods are arranged on two sides of the top surface of the telescopic clamping strip, the connecting rods penetrate through the mounting transverse plate and are in sliding fit with the mounting transverse plate, a limiting plate is fixed at the upper end of each connecting rod, the return spring is sleeved outside the part of each connecting rod between the limiting plate and the mounting transverse plate, two ends of the return spring are respectively and fixedly connected with the limiting plate and the mounting transverse plate, a release mechanism capable of clamping or releasing the connecting rods is arranged in the mounting transverse plate, when the connecting rods are clamped by the elastic release mechanism, the clearance between flexible holding strip and the installation diaphragm forms the clearance of placing of putting into the sample bag, and when elasticity card machine mechanism broke away from the connecting rod, flexible holding strip compressed tightly at the installation diaphragm bottom surface. According to the invention, the clamping unit is used for clamping the sample bags, the sample bags can clamp the telescopic clamping strips between the installation transverse plates so as to be hung above the water receiving tray, the sample bags are mutually separated, the sample thawing speed is high, the sample bags are hung neatly, the sample is not easy to take by mistake or mistakenly take by mistake, and the sample taking and placing are very convenient; when the elastic card machine mechanism is separated from the connecting rod, the reset spring resets and jacks up the limiting plate, the telescopic clamping strip is tightly pressed on the bottom surface of the installation transverse plate (in a clamping state), and the sample bag is clamped between the telescopic clamping strip and the installation transverse plate, so that the sample bag is hung above the water receiving tray; the water receiving tray is used for collecting the dripping condensed water, and the condition that water drops on the table top affect the cleanliness of the operating environment is avoided.
Preferably, the release mechanism comprises a transverse slide way and a pressing plate, the transverse loop way is arranged in the installation transverse plate, a guide groove communicated with the transverse slide way is arranged on the installation transverse plate above the transverse slide way, two slide blocks are arranged in the transverse slide way, an energy storage spring is arranged between the sliding blocks, two ends of the energy storage spring are propped against the sliding blocks, the pressing plate is positioned above the installation transverse plate, a spring is arranged between the pressing plate and the installation transverse plate, pressing arms are fixed on two sides of the pressing transverse plate, an avoidance groove is arranged on the sliding block, the opening of the avoidance groove close to one side of the energy storage spring is provided with a guide inclined plane, the lower end of the pressure arm passes through the guide groove and is positioned in the avoidance groove, the inner side of the lower end of the pressure arm is provided with an inner pushing head, the inner pushing head is provided with a pushing inclined plane which is matched and interfered with the guiding inclined plane, the connecting rod is provided with an annular clamping groove, and the outer end face of the sliding block is provided with a ball head which can be clamped into the annular clamping groove. The release mechanism is ingenious in design and convenient to use, after the pressing plate is pressed down, the pressing arm moves downwards, the inner pushing head enters the avoidance groove, meanwhile, the pushing inclined surface on the inner pushing head presses the guide inclined surface downwards, so that the sliding block is pushed inwards, the energy storage spring is compressed, the ball head gradually withdraws from the annular clamping groove and finally completely withdraws from the annular clamping groove, so that the connecting rod is released, when the connecting rod moves upwards under the action of the return spring, the ball head is blocked by the connecting rod and retracts into the transverse slideway, finally, the telescopic clamping strip is tightly pressed on the bottom surface of the installation transverse plate (in a clamping state), after the pressing plate is released, the pressing plate bounces and resets under the action of the spring, and the pushing inclined surface on the inner pushing head is matched and interfered with the guide inclined surface again; when the connecting rod is pressed down, the telescopic clamping strips are separated from the transverse installation plate, a gap is formed between the transverse installation plate and the transverse installation plate, the sample bag can be taken down, when the annular clamping groove moves to the ball head, the ball head is clamped into the annular clamping groove again to clamp the connecting rod, the connecting rod can be kept stationary, and the sample bag can be clamped again in the placing gap.
Preferably, the thickness of the inner pushing head and the pressing arm is equal to the width of the guide groove. The thickness of interior pushing head and pressure arm equals the width of guide slot for difficult production when pressing the arm to slide in the guide slot is rocked, and stability in use is better.
Preferably, the inner pushing head and the pressure arm are of a homogeneous and integral structure, and the end face of the inner pushing head is in no pressure contact with the inner wall face of the guide groove.
Preferably, the bottom surface of the pressing plate is provided with a spring limiting column, a spring limiting groove is formed in the installation transverse plate below the spring limiting column, the upper end portion of the spring is sleeved in the spring limiting column, and the lower end portion of the spring is located in the spring limiting groove. The spring limiting column and the spring limiting groove play a role in guiding and limiting the spring, and the spring is prevented from shaking and deviating in the movement process.
Preferably, the top surface of the telescopic pressing strip is provided with a clamping convex rib, and the bottom surface of the mounting transverse plate is provided with a clamping groove matched with the clamping convex rib. The surface of the sample bag is smooth, the clamping convex ribs are matched with the clamping grooves, and the sample bag clamped between the telescopic pressing strips and the installation transverse plate is not easy to slip.
Preferably, the clamping convex rib is an arc convex rib. The arc convex ribs have smooth surfaces and no edges and corners, and are not easy to scratch sample bags.
Preferably, a bottom plate is fixed to the bottom of the left side plate and the bottom of the right side plate.
Preferably, the inner side surfaces of the left side plate and the right side plate are provided with shelves, and the water receiving tray is placed on the shelves.
Preferably, a stopper is fixed to a distal end of the shelf.
Therefore, the invention has the following beneficial effects: the structure is ingenious, the sample thawing speed is high, the sample bag is convenient to take and place, the use stability is good, and condensed water can be prevented from dripping when thawing.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is an enlarged view of a in fig. 1.
In the figure: the device comprises a left side plate 1, a right side plate 2, an installation transverse plate 3, a water receiving disc 4, a telescopic clamping strip 5, a reset spring 6, a limiting plate 7, a transverse slide rail 8, a pressing plate 9, a guide groove 10, a sliding block 11, an energy storage spring 12, a spring 13, a pressing arm 14, an avoiding groove 15, a guide inclined surface 16, an inner pushing head 17, a pushing inclined surface 18, an annular clamping groove 19, a ball head 20, a spring limiting column 21, a spring limiting groove 22, a clamping convex rib 23, a clamping groove 24, a bottom plate 25, a shelf 26, a blocking block 27, a placing gap 28, a connecting rod 29, a sample bag 30.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in figures 1 and 2, the sample bag storage device for extracting tetrodotoxin samples comprises a left side plate 1 and a right side plate 2, wherein a bottom plate 25 is fixed at the bottom of the left side plate and the right side plate, two mounting transverse plates 3 are fixed between the left side plate and the right side plate, a shelf 26 is fixed at the inner side surfaces of the left side plate and the right side plate, a water receiving tray 4 is placed on the shelf, a stop block 27 is fixed at the tail end of the shelf, four clamping units for clamping sample bags are arranged on the mounting transverse plates, each clamping unit (shown in figure 3) comprises a telescopic clamping strip 5 and a return spring 6, the telescopic clamping strips are positioned below the mounting transverse plates, clamping convex ribs 23 are arranged on the top surfaces of the telescopic clamping strips, the clamping convex ribs are arc convex ribs, clamping grooves 24 matched with the clamping convex ribs are arranged on the bottom surfaces of the mounting transverse plates, connecting rods 29 are arranged on two sides of the top surfaces of the telescopic clamping strips, the connecting rods pass through the mounting transverse plates and are matched with the mounting transverse plates in a sliding manner, a limiting plate 7 is fixed at the upper end of the connecting rod, a return spring is sleeved outside the part of the connecting rod between the limiting plate and the mounting transverse plate, two ends of the return spring are respectively fixedly connected with the limiting plate and the mounting transverse plate, a release mechanism capable of clamping or releasing the connecting rod is arranged in the mounting transverse plate, when the elastic release mechanism clamps the connecting rod, a placing gap for placing a sample bag is formed in a gap between the telescopic clamping strip and the mounting transverse plate, and when the elastic card clamping mechanism is separated from the connecting rod, the telescopic clamping strip is tightly pressed on the bottom surface of the mounting transverse plate; the releasing mechanism comprises a transverse slideway 8 and a pressing plate 9, the transverse loop is arranged in the installation transverse plate, a guide groove 10 communicated with the transverse slideway is arranged on the installation transverse plate above the transverse slideway, two slide blocks 11 are arranged in the transverse slideway, an energy storage spring 12 is arranged between the slide blocks, two ends of the energy storage spring are abutted against the slide blocks, the pressing plate is arranged above the installation transverse plate, a spring 13 is arranged between the pressing plate and the installation transverse plate, a spring limiting column 21 is arranged on the bottom surface of the pressing plate, a spring limiting groove 22 is arranged on the installation transverse plate below the spring limiting column, the upper end part of the spring is sleeved in the spring limiting column, the lower end part of the spring is arranged in the spring limiting groove, pressing arms 14 are fixed on two sides of the pressing transverse plate, an avoiding groove 15 is arranged on the slide block, a guide inclined surface 16 is arranged at an opening of the avoiding groove close to one side of the energy storage spring, the lower ends of the pressing arms pass through the guide groove and are arranged in the avoiding groove, the inner side of the lower end of the pressure arm is provided with an inner push head 17, the inner push head and the pressure arm are of a homogeneous integrated structure, the thickness of the inner push head and the thickness of the pressure arm are equal to the width of the guide groove, no pressure contact exists between the end surface of the inner push head and the inner wall surface of the guide groove, the inner push head is provided with a push inclined surface 18 which is adaptive to and interferes with the guide inclined surface, the connecting rod is provided with an annular clamping groove 19, and the outer end surface of the sliding block is provided with a ball head 20 which can be clamped into the annular clamping groove.
The using method of the invention comprises the following steps: the upper end of a sample bag 29 filled with a sample extends into the placing gap, then the pressing plate is pressed downwards to release the connecting rod, and the sample bag is clamped between the telescopic clamping strip and the mounting transverse plate and is suspended above the water pan; when the sample bag is to be taken down, the sample bag is taken down as long as the sample bag is held, the connecting rod is pressed downwards, the telescopic clamping strips are separated from the installation transverse plate to form a gap, then the sample bag can be directly taken down, until the annular clamping groove moves to the ball head, the ball head is clamped into the annular clamping groove again to clamp the connecting rod, the connecting rod is kept stationary, and the sample bag can be clamped again in the placing gap.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (10)
1. A sample bag storage device for extracting a sample from tetrodotoxin is characterized by comprising a left side plate (1) and a right side plate (2), wherein at least one installation transverse plate (3) is fixed between the left side plate and the right side plate, a water receiving tray (4) is further arranged between the left side plate and the right side plate, at least one clamping unit for clamping a sample bag is arranged on the installation transverse plate and comprises a telescopic clamping strip (5) and a reset spring (6), the telescopic clamping strip is positioned below the installation transverse plate, connecting rods (29) are arranged on two sides of the top surface of the telescopic clamping strip and penetrate through the installation transverse plate and are in sliding fit with the installation transverse plate, a limiting plate (7) is fixed at the upper end of each connecting rod, the reset spring is sleeved outside the part of each connecting rod between the limiting plate and the installation transverse plate, two ends of the reset spring are respectively fixedly connected with the limiting plate and the installation transverse plate, and a release mechanism capable of clamping or releasing the connecting rods is arranged in the installation transverse plate, when the elastic releasing mechanism clamps the connecting rod, a placing gap (28) for placing the sample bag is formed in a gap between the telescopic clamping strip and the mounting transverse plate, and when the elastic card clamping mechanism is separated from the connecting rod, the telescopic clamping strip is tightly pressed on the bottom surface of the mounting transverse plate.
2. The sample bag storage device for tetrodotoxin extracted samples according to claim 1, wherein the release mechanism comprises a transverse slide (8) and a pressing plate (9), the transverse loop is arranged in the installation transverse plate, a guide groove (10) communicated with the transverse slide is arranged on the installation transverse plate above the transverse slide, two sliding blocks (11) are arranged in the transverse slide, an energy storage spring (12) is arranged between the sliding blocks, two ends of the energy storage spring are abutted against the sliding blocks, the pressing plate is arranged above the installation transverse plate, a spring (13) is arranged between the pressing plate and the installation transverse plate, pressing arms (14) are fixed on two sides of the pressing transverse plate, an avoidance groove (15) is arranged on the sliding blocks, a guide inclined surface (16) is arranged at an opening of the avoidance groove close to one side of the energy storage spring, the lower ends of the pressing arms penetrate through the guide groove and are arranged in the avoidance groove, and inner pushing heads (17) are arranged on the inner sides of the lower ends of the pressing arms, the inner pushing head is provided with a pushing inclined plane (18) which is in adaptive interference with the guiding inclined plane, the connecting rod is provided with an annular clamping groove (19), and the outer end surface of the sliding block is provided with a ball head (20) which can be clamped into the annular clamping groove.
3. The device as claimed in claim 2, wherein the thickness of the push-in head and the press arm is equal to the width of the guide groove.
4. The device as claimed in claim 2 or 3, wherein the pushing head and the pressing arm are of a same structure, and the end surface of the pushing head is not in pressure contact with the inner wall of the guiding groove.
5. The device as claimed in claim 2, wherein the bottom surface of the pressing plate is provided with a spring limiting post (21), the mounting cross plate below the spring limiting post is provided with a spring limiting groove (22), the upper end of the spring is sleeved in the spring limiting post, and the lower end of the spring is positioned in the spring limiting groove.
6. The device as claimed in claim 1, wherein the top surface of the retractable strip is provided with a retaining rib (23), and the bottom surface of the mounting plate is provided with a retaining groove (24) matching with the retaining rib.
7. The device as claimed in claim 6, wherein the clamping rib is a circular arc rib.
8. The sample bag holder for tetrodotoxin extraction samples as claimed in claim 1, wherein a bottom plate (25) is fixed to the bottom of the left and right side plates.
9. The sample bag storage device for tetrodotoxin extraction samples as claimed in claim 1, wherein shelves (26) are arranged on the inner sides of the left side plate and the right side plate, and the water pan is placed on the shelves.
10. The sample bag storage device for tetrodotoxin extraction samples as claimed in claim 9, wherein a stopper (27) is fixed to the end of the shelf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111656615.6A CN114289085B (en) | 2021-12-31 | 2021-12-31 | Sample bag storage device for tetrodotoxin extraction samples |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111656615.6A CN114289085B (en) | 2021-12-31 | 2021-12-31 | Sample bag storage device for tetrodotoxin extraction samples |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114289085A true CN114289085A (en) | 2022-04-08 |
| CN114289085B CN114289085B (en) | 2023-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111656615.6A Active CN114289085B (en) | 2021-12-31 | 2021-12-31 | Sample bag storage device for tetrodotoxin extraction samples |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114289085B (en) |
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| CN114289085B (en) | 2023-12-01 |
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