CN114289085B - Sample bag storage device for tetrodotoxin extraction samples - Google Patents
Sample bag storage device for tetrodotoxin extraction samples Download PDFInfo
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- CN114289085B CN114289085B CN202111656615.6A CN202111656615A CN114289085B CN 114289085 B CN114289085 B CN 114289085B CN 202111656615 A CN202111656615 A CN 202111656615A CN 114289085 B CN114289085 B CN 114289085B
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- plate
- transverse plate
- installation transverse
- connecting rods
- spring
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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 23
- 229950010357 tetrodotoxin Drugs 0.000 title claims abstract description 23
- 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 23
- 238000000605 extraction Methods 0.000 title description 6
- 238000009434 installation Methods 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000004146 energy storage Methods 0.000 claims description 11
- 238000010257 thawing Methods 0.000 abstract description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect 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
- 230000003044 adaptive effect Effects 0.000 description 1
- 229930013930 alkaloid Natural products 0.000 description 1
- 150000003797 alkaloid derivatives Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004185 liver Anatomy 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
- 239000000243 solution Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- 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 an installation 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 installation transverse plate, the clamping unit comprises a telescopic clamping strip and a reset spring, connecting rods are arranged on two sides of the top surface of the telescopic clamping strip, the connecting rods penetrate through the installation transverse plate and are in sliding fit with the installation transverse plate, a limiting plate is fixed at the upper end of the connecting rods, the reset spring is sleeved outside a part of the connecting rods between the limiting plate and the installation transverse plate, a release mechanism capable of clamping or releasing the connecting rods is arranged in the installation transverse plate, when the elastic release mechanism clamps the connecting rods, a placing gap for placing the sample bags is formed between the telescopic clamping strip and the installation transverse plate, and when the elastic clamping mechanism is separated from the connecting rods, the telescopic clamping strip is tightly pressed on the bottom surface of the installation transverse plate. The invention has the advantages of high sample thawing speed, convenient sample bag taking and placing, good use stability, capability of avoiding condensate water dripping during thawing and the like.
Description
Technical Field
The invention relates to a sample bag storage device, in particular to a sample bag storage device for frozen tetrodotoxin extracted samples.
Background
Tetrodotoxin (TTX) is a non-protein neurotoxin, a highly toxic alkaloid. In order to study the pollution condition of TTX in aquatic products, the tissue with high TTX content is required to be selected to extract the TTX, and the extracting solution is separated and purified. The main method for extracting TTX is a biological tissue extraction method, and the specific steps of the biological tissue extraction method are as follows: selecting an extracted sample (such as biological tissues of livers, ovaries and the like) with high toxin content, leaching with an acetic acid aqueous solution or an acetic acid organic solvent for a proper number of times by utilizing a proper feed-liquid ratio and a proper temperature until most of toxin in the tissues is dissolved out, separating and purifying, and mincing and homogenizing the extracted sample in advance for improving the dissolution rate of TTX. When the number of the extracted samples after the homogenization is compared or the extraction is not performed temporarily, the samples are usually put in sealed plastic sample bags and stored at-20 ℃ in a freezing way, and the samples are taken out and thawed before the extraction.
At present, when thawing, a sample bag filled with a sample is generally stacked in a plastic storage frame for storage and thawing, so that the following problems exist: (1) The samples are piled together, the thawing speed is low, and the taking is inconvenient; (2) Condensed water can be generated on the surface of the plastic bag during thawing, and can remain on the surface of the plastic bag, and can drip when the sample bag is taken out, so that the cleanliness of the operation environment is affected.
Disclosure of Invention
The invention aims to solve the problems of the existing sample bag storage mode of tetrodotoxin extracted samples, and provides the sample bag storage device of the tetrodotoxin extracted samples, which has the advantages of ingenious structure, high sample thawing speed, convenience in taking and placing sample bags, good use stability and capability of avoiding condensed water dripping during thawing.
In order to achieve the above purpose, the present 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 installation 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 installation transverse plate, the clamping unit comprises a telescopic clamping strip and a return spring, the telescopic clamping strip is positioned below the installation transverse plate, connecting rods are arranged on two sides of the top surface of the telescopic clamping strip, the connecting rods penetrate through the installation transverse plate and are in sliding fit with the installation transverse plate, a limiting plate is fixed at the upper end of the connecting rods, the return spring is sleeved outside the part of the connecting rods between the limiting plate and the installation transverse plate, two ends of the return spring are fixedly connected with the limiting plate and the installation transverse plate respectively, a release mechanism capable of clamping or releasing the connecting rods is arranged in the installation transverse plate, when the elastic release mechanism clamps the connecting rods, a placing gap for placing the sample bags is formed between the telescopic clamping strip and the installation transverse plate, and when the elastic clamping mechanism is separated from the connecting rods. According to the invention, the clamping unit is used for clamping the sample bags, the sample bags can be clamped between the mounting transverse plates, so that the sample bags can be hung above the water receiving disc, the sample bags are mutually separated, the sample thawing speed is high, the hanging is neat, the samples are not easy to take by mistake and mistakenly taken, and the sample taking and placing are very convenient; when the release mechanism clamps the clamping connecting rod, the return spring is lengthened, the telescopic clamping strip leaves the mounting transverse plate (in an open state), a certain gap is formed between the telescopic clamping strip and the mounting transverse plate, the gap forms a placing gap for placing the sample bag, when the elastic clamping mechanism breaks away from the connecting rod, the return spring resets and jacks up the limiting plate, the telescopic clamping strip is tightly pressed on the bottom surface (in a clamping state) of the mounting transverse plate, the sample bag is clamped between the telescopic clamping strip and the mounting transverse plate, and the sample bag is suspended above the water receiving disc; the water collector is used for collecting the condensed water dripped, and the influence of the water drops on the cleanliness of the operating environment on the table top is avoided.
Preferably, the release mechanism comprises a transverse slideway and a pressing plate, the transverse slideway is arranged in an installation transverse plate, a guide groove communicated with the transverse slideway is formed in the installation transverse plate above the transverse slideway, two sliding blocks are arranged in the transverse slideway, 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 arranged above the installation transverse plate, springs are arranged between the pressing plate and the installation transverse plate, pressing arms are fixed on two sides of the pressing transverse plate, a avoidance groove is formed in the sliding blocks, a guide inclined surface is arranged at an opening of the avoidance groove close to one side of the energy storage spring, the lower end of the pressing arm penetrates through the guide groove and is positioned in the avoidance groove, an inner pushing head is arranged at the inner side of the lower end of the pressing arm, a pushing inclined surface which is matched with the guide inclined surface is interfered is arranged on the inner pushing head, an annular clamping groove is formed in the connecting rod, and a ball head capable of being clamped into the annular clamping groove is arranged on the outer end surface of the sliding block. The release mechanism disclosed by the invention is ingenious in design and convenient to use, after the pressing plate is pressed down, the pressing arm moves downwards, the pushing inclined surface on the inner pushing head pushes down the guide inclined surface while the inner pushing head enters the avoidance groove, 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 to release the connecting rod, when the connecting rod moves upwards under the action of the reset spring, the ball head is blocked by the connecting rod and contracts in the transverse slideway, finally the telescopic clamping strip is pressed on the bottom surface (clamping state) of the mounting transverse plate, after the pressing plate is loosened, the pressing plate is sprung up and reset under the action of the spring, and the pushing inclined surface on the inner pushing head is in adaptive interference with the guide inclined surface again; when the connecting rod is pressed down, the telescopic clamping strip leaves the mounting transverse plate, a gap is formed between the telescopic clamping strip and the mounting transverse plate, if a sample bag is taken down, and 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, so that the connecting rod can be kept fixed, and the sample bag can be clamped again in the 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 the inner pushing head and the pressing arm is equal to the width of the guide groove, so that the pressing arm is not easy to shake when sliding in the guide groove, and the use stability is better.
Preferably, the inner push head and the pressing arm are of a homogeneous integrated structure, and the end face of the inner push head is not in 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 mounting transverse plate below the spring limiting column, the upper end part of the spring is sleeved in the spring limiting column, and the lower end part of the spring is positioned in the spring limiting groove. The spring limit column and the spring limit groove play a role in guiding and limiting the spring, and the spring is prevented from shaking and shifting in the moving 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, and the clamping convex ribs are matched with the clamping grooves, so that the sample bag clamped between the telescopic pressing strip and the mounting transverse plate is not easy to slip.
Preferably, the clamping ribs are arc ribs. The surface of the circular arc convex rib is smooth, no edges and corners are formed, and the sample bag is not easy to scratch.
Preferably, a bottom plate is fixed at the bottoms of the left side plate and the right side plate.
Preferably, the inner side surfaces of the left side plate and the right side plate are provided with a shelf, and the water receiving disc is placed on the shelf.
Preferably, a blocking block is fixed at the tail 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 put, the use stability is good, and condensate water dripping during thawing can be avoided.
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 at a in fig. 1.
In the figure: left side board 1, right side board 2, installation diaphragm 3, water collector 4, flexible holding strip 5, reset spring 6, limiting plate 7, horizontal slide 8, push down board 9, guide slot 10, slider 11, energy storage spring 12, spring 13, press arm 14, dodge groove 15, guide slope 16, interior push head 17, promotion inclined plane 18, annular draw-in groove 19, bulb 20, spring spacing post 21, spring spacing groove 22, chucking bead 23, chucking recess 24, bottom plate 25, shelf 26, stop block 27, placement gap 28, connecting rod 29, sample bag, 30.
Detailed Description
The invention is further described below with reference to the drawings and detailed description.
The sample bag storage device for tetrodotoxin extracted samples shown in figures 1 and 2 comprises a left side plate 1 and a right side plate 2, a bottom plate 25 is fixed at the bottoms 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 on the inner side surfaces of the left side plate and the right side plate, a water receiving disc 4 is placed on the shelf, a blocking 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 reset spring 6, the telescopic clamping strip is positioned below the mounting transverse plate, a clamping convex rib 23 is arranged on the top surface of the telescopic clamping strip, the clamping convex rib is an arc convex rib, the bottom surface of the installation diaphragm is provided with a clamping groove 24 which is matched with the clamping convex rib, two sides of the top surface of the telescopic clamping strip are provided with connecting rods 29, the connecting rods penetrate through the installation diaphragm and are in sliding fit with the installation diaphragm, the upper ends of the connecting rods are fixedly provided with limiting plates 7, reset springs are sleeved outside the parts, between the limiting plates and the installation diaphragm, of the connecting rods, two ends of each reset spring are respectively fixedly connected with the limiting plates and the installation diaphragm, a release mechanism capable of clamping or releasing the connecting rods is arranged in the installation diaphragm, when the elastic release mechanism clamps the connecting rods, a placing gap for placing sample bags is formed between the telescopic clamping strip and the installation diaphragm, and when the elastic clamping mechanism is separated from the connecting rods, the telescopic clamping strip is tightly pressed on the bottom surface of the installation diaphragm; the release mechanism comprises a transverse slideway 8 and a pressing plate 9, a transverse loop is arranged in the transverse installation plate, a guide groove 10 communicated with the transverse slideway is formed in the transverse installation plate above the transverse slideway, two sliding blocks 11 are arranged in the transverse slideway, an energy storage spring 12 is arranged between the sliding blocks, two ends of the energy storage spring are propped against the sliding blocks, the pressing plate is arranged above the transverse installation plate, a spring 13 is arranged between the pressing plate and the transverse installation plate, a spring limiting column 21 is arranged at the bottom of the pressing plate, a spring limiting groove 22 is formed in the transverse installation 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 positioned in the spring limiting groove, pressing arms 14 are fixed on two sides of the pressing plate, an avoidance groove 15 is formed in the sliding block, a guide inclined surface 16 is arranged at the opening of one side of the avoidance groove close to the energy storage spring, the lower end of the pressing arms penetrates through the guide groove and is positioned in the avoidance groove, an inner pushing head 17 is arranged on the inner side of the lower end of the pressing arm, the inner pushing head and the pressing arms are of a homogeneous integrated structure, the thickness of the inner pushing head is equal to the width of the guide groove, a clamping groove is formed between the end surface of the inner pushing head and the inner wall surface of the guide groove, an annular clamping groove is arranged on the inner pushing head, and the clamping groove is provided with an annular clamping groove 18, and an annular clamping groove 20 is arranged on the clamping groove, and can be matched with the upper end surface of the annular clamping groove, and the upper end surface of the guide groove is arranged.
The application method of the invention comprises the following steps: the upper end of a sample bag 29 filled with a sample is stretched into the placing gap, then the pressing plate is pressed downwards to release the connecting rod, the sample bag is clamped between the telescopic clamping strip and the mounting transverse plate, and is hung above the water receiving disc; when the sample bag is to be taken down, the connecting rod is only required to be held down, after the telescopic clamping strip leaves the mounting transverse plate to generate a gap, 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 embodiment is only a preferred embodiment of the present invention, and is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (8)
1. The sample bag storage device for tetrodotoxin extracted samples 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 disc (4) is further arranged between the left side plate and the right side plate, at least one clamping unit for clamping the sample bags is arranged on the installation transverse plate, the clamping unit comprises a telescopic clamping strip (5) and a return 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, the connecting rods penetrate through the installation transverse plate and are in sliding fit with the installation transverse plate, limiting plates (7) are fixed at the upper ends of the connecting rods, the return spring is sleeved outside the part of the connecting rods between the limiting plates and the installation transverse plate, two ends of the return spring are respectively fixedly connected with the limiting plates and the installation transverse plate, a release mechanism capable of clamping or releasing the connecting rods is arranged in the installation transverse plate, when the release mechanism clamps the connecting rods, a placing gap (28) for placing samples is formed between the telescopic clamping strip and the installation transverse plate when the release mechanism clamps the connecting rods, and the telescopic clamping strip is pressed tightly against the installation transverse plate when the elastic clamping mechanism is separated from the bottom surface of the connecting rods; the release mechanism comprises a transverse slideway (8) and a pressing plate (9), wherein the transverse slideway is arranged in an installation transverse plate, a guide groove (10) communicated with the transverse slideway is formed in the installation transverse plate above the transverse slideway, two sliding blocks (11) are arranged in the transverse slideway, an energy storage spring (12) is arranged between the sliding blocks, two ends of the energy storage spring are propped 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 plate, an avoidance groove (15) is formed in 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 end of the pressing arm penetrates through the guide groove and is positioned in the avoidance groove, an inner pushing head (17) is arranged at the inner side of the lower end of the pressing arm, a pushing inclined surface (18) which is interfered by being matched with the guide inclined surface is arranged on the inner pushing head, an annular clamping groove (19) is arranged on the connecting rod, a ball head (20) which can be clamped into the annular clamping groove is arranged on the outer end surface of the sliding block, and the thickness of the pressing arm is equal to the width of the guide groove.
2. The sample bag storage device for tetrodotoxin extracted samples according to claim 1, wherein the inner pushing head and the pressing arm are of a homogeneous integrated structure, and no pressure contact exists between the end face of the inner pushing head and the inner wall face of the guide groove.
3. The sample bag storage device for tetrodotoxin extracted samples according to claim 1, characterized in that a spring limit column (21) is arranged on the bottom surface of the pressing plate, a spring limit groove (22) is arranged on the mounting transverse plate below the spring limit column, the upper end part of the spring is sleeved in the spring limit column, and the lower end part of the spring is positioned in the spring limit groove.
4. The sample bag storage device for tetrodotoxin extracted samples according to claim 1, characterized in that the top surface of the telescopic clamping strip is provided with a clamping convex rib (23), and the bottom surface of the mounting transverse plate is provided with a clamping groove (24) matched with the clamping convex rib.
5. The sample bag storage device for tetrodotoxin extracted samples of claim 4, wherein the gripping rib is a circular arc rib.
6. The sample bag storage device for tetrodotoxin extracted samples according to claim 1, characterized in that the bottoms of the left and right side plates are fixed with a bottom plate (25).
7. The sample bag storage device for tetrodotoxin extracted samples according to claim 1, wherein the inner side surfaces of the left side plate and the right side plate are provided with a shelf (26), and the water receiving tray is placed on the shelf.
8. A sample bag holder for tetrodotoxin extracted samples according to claim 7, characterized in that the shelf has a stop (27) fixed at its end.
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 CN114289085A (en) | 2022-04-08 |
| CN114289085B true CN114289085B (en) | 2023-12-01 |
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| 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 |
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| CN (1) | CN114289085B (en) |
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