CN110756241A - Liquid transfer device for food detection - Google Patents
Liquid transfer device for food detection Download PDFInfo
- Publication number
- CN110756241A CN110756241A CN201911313459.6A CN201911313459A CN110756241A CN 110756241 A CN110756241 A CN 110756241A CN 201911313459 A CN201911313459 A CN 201911313459A CN 110756241 A CN110756241 A CN 110756241A
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- connecting rod
- liquid transfer
- transfer device
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- block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention discloses a liquid transfer device for food detection, which comprises a base, wherein a fixed frame is arranged at the upper end of the base, a rotating device is arranged on one side of the upper end of the fixed frame, a liquid transfer device is arranged at the lower end of the rotating device, a raw liquid box is arranged below the liquid transfer device and at the upper end of the base, a detection box is arranged on one side of the raw liquid box and at the upper end of the base, the rotating device comprises a supporting frame, the supporting frame is arranged on one side of the fixed frame and at the upper end of the base, a first movable shaft is inserted into the upper end of the supporting frame, a first motor is arranged at one end of the first movable shaft, a movable ring is arranged on the first movable shaft and between the fixed frame and the supporting frame, a fixed ring is sleeved outside the movable ring, a first connecting rod is arranged on one side of the fixed ring, one end of the first connecting, and a third connecting rod is arranged at one end of the second movable shaft, which is far away from the second connecting rod, and at one side of the fixed frame.
Description
Technical Field
The invention relates to the field of food detection, in particular to a liquid transferring device for food detection.
Background
At present, when food is detected, food solution needs to be added into a certain reaction test tube for reaction sometimes to detect food components, the quantity of the extracted food solution is high, trace and accurate sometimes, and a micropipettor is needed to extract the food solution with more accurate volume, so that the detection is more reliable and the reaction is more complete.
The prior art has the following defects and problems:
(1) many manually-controlled pipettors in the current market need to suck and discharge detection liquid through manual pressing, and long-time pressing operation is easy to cause discomfort or injury to hands;
(2) the detection liquid in the stock solution box needs to be driven into the detection box manually, the manual operation is unstable, and dripping leakage possibly occurs in the liquid transferring process, so that the data is inaccurate.
Disclosure of Invention
The technical task of the present invention is to provide a liquid transfer device for food detection to solve the problems of the background art mentioned above.
The technical scheme of the invention is realized as follows:
a liquid transfer device for food detection comprises a base, wherein a fixed frame is arranged at the upper end of the base, a rotating device is arranged on one side of the upper end of the fixed frame, a liquid transfer device is arranged at the lower end of the rotating device, a stock solution box is arranged below the liquid transfer device and at the upper end of the base, a detection box is arranged on one side of the stock solution box and at the upper end of the base, the rotating device comprises a supporting frame, the supporting frame is arranged on one side of the fixed frame and at the upper end of the base, a first movable shaft is arranged at the upper end of the supporting frame in an inserting manner, a first motor is arranged at one end of the first movable shaft, a movable ring is arranged on the first movable shaft and between the fixed frame and the supporting frame, a first fixing ring is sleeved at the outer side of the movable ring, a first connecting rod is arranged on one side of the fixing ring, and one end of, the other end of the second connecting rod is connected with one side of the upper end of the fixed frame through the second movable shaft, the second movable shaft is far away from one end of the second connecting rod and is located one side of the fixed frame is provided with a third connecting rod, the other side of the upper end of the fixed frame is provided with a fourth connecting rod, the third connecting rod is provided with a movable rod between the fourth connecting rod, and the middle position of the bottom of the movable rod is connected with the upper end of the liquid transferring device.
Preferably, the first movable shaft penetrates through the support frame, the movable ring, the fixed frame and the fourth connecting rod in sequence.
Preferably, bearings are arranged at the joints between the fixed frame and the second movable shaft and between the first movable shaft and the fixed frame and between the first movable shaft and the supporting frame.
Preferably, the first connecting rod and the second connecting rod are movably connected through a first rotating shaft, and the movable rod is movably connected with the third connecting rod and the fourth connecting rod through a second rotating shaft.
Preferably, move the liquid device and include a fixed section of thick bamboo, the upper end of a fixed section of thick bamboo with the movable rod is connected, the inside of a fixed section of thick bamboo is equipped with baffle one and baffle two respectively, baffle one with just be located between the baffle two the inside of a fixed section of thick bamboo is equipped with extrusion device, the upper end of baffle one just is located the inside of a fixed section of thick bamboo is equipped with motor two, the lower extreme of baffle two is equipped with the connecting pipe, the connecting pipe runs through the lower extreme of a fixed section of thick bamboo, and, the one end of connecting pipe is connected with the upper end of pipette.
Preferably, the upper end of the fixed cylinder is connected with the movable rod through two groups of bolts.
Preferably, the extrusion device comprises a rotating block, the center of the upper end of the rotating block is connected with the output shaft of the second motor through a third movable shaft, a plurality of limiting blocks are arranged at the lower end of the rotating block, an extrusion block is arranged below the rotating block and located on the inner side of the sealed chamber, and the sealed chamber is located at the upper end of the second partition plate.
Preferably, four groups of fixture blocks are arranged on the outer side of the extrusion block, and four groups of first grooves are formed in the lower end of the extrusion block.
Preferably, one side of the limiting block is of an arc-shaped structure, and the limiting block is matched with the upper end of the clamping block.
Preferably, the inner side of the sealing chamber is provided with a limiting groove matched with the extrusion block, the bottom of the limiting groove is respectively provided with four groups of second grooves and a group of through holes, springs are arranged between the four groups of first grooves and the four groups of second grooves, the through holes are connected with one end of the connecting pipe, and the outer side of the limiting groove is provided with four groups of clamping grooves matched with the clamping blocks.
The invention has the beneficial effects that:
1. the rotating device drives the liquid transfer device to ascend or descend, and the liquid transfer device is moved into the detection box from the stock solution box, so that the aims of micro liquid absorption and liquid discharge are fulfilled, the solution is automatically absorbed and discharged, and the phenomenon of dripping is avoided;
2. the liquid suction and discharge device controls the liquid suction and discharge of the pipette by being driven by the extruding device, and can stop the liquid suction or discharge operation at any time, so that the liquid suction and discharge is more accurate, air cannot be sucked, and the food detection is more reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a pipetting device for food detection according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a rotating apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a pipetting device according to an embodiment of the invention;
FIG. 4 is a schematic structural view of a pressing apparatus according to an embodiment of the present invention;
fig. 5 is an exploded view of a compression device according to an embodiment of the present invention.
In the figure:
1. a base; 2. a fixed mount; 3. a rotating device; 4. a pipetting device; 5. a stock solution tank; 6. a detection box; 7. a support frame; 8. a first movable shaft; 9. a first motor; 10. a movable ring; 11. a fixing ring; 12. a first connecting rod; 13. a second connecting rod; 14. a second movable shaft; 15. a third connecting rod; 16. a connecting rod IV; 17. a movable rod; 18. a first rotating shaft; 19. a second rotating shaft; 20. a fixed cylinder; 21. a first clapboard; 22. a second clapboard; 23. an extrusion device; 24. a second motor; 25. a connecting pipe; 26. a pipette; 27. a bolt; 28. rotating the block; 29. a third movable shaft; 30. extruding the block; 31. a sealed chamber; 32. a clamping block; 33. a first groove; 34. a limiting groove; 35. a second groove; 36. a through hole; 37. a spring; 38. a card slot; 39. and a limiting block.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Embodiment, as shown in fig. 1-2, a liquid-transfering device for food detection according to an embodiment of the present invention includes a base 1, a fixed frame 2 is disposed at an upper end of the base 1, a rotating device 3 is disposed at one side of an upper end of the fixed frame 2, a liquid-transfering device 4 is disposed at a lower end of the rotating device 3, a raw liquid tank 5 is disposed below the liquid-transfering device 4 and at the upper end of the base 1, a detection tank 6 is disposed at one side of the raw liquid tank 5 and at the upper end of the base 1, wherein the rotating device 3 includes a supporting frame 7, the supporting frame 7 is disposed at one side of the fixed frame 2 and at the upper end of the base 1, a movable shaft 8 is inserted into an upper end of the supporting frame 7, a motor 9 is disposed at one end of the movable shaft 8, a movable ring 10 is disposed on the movable shaft 8 and between the fixed frame 2 and the supporting frame 7, a, one end of the first connecting rod 12, which is far away from the fixed ring 11, is movably connected with one end of the second connecting rod 13, the other end of the second connecting rod 13 is connected with one side of the upper end of the fixed frame 2 through the second movable shaft 14, one end of the second movable shaft 14, which is far away from the second connecting rod 13, is provided with the third connecting rod 15 on one side of the fixed frame 2, the other side of the upper end of the fixed frame 2 is provided with the fourth connecting rod 16, a movable rod 17 is arranged between the third connecting rod 15 and the fourth connecting rod 16, and the middle position of the bottom.
Specifically, the first movable shaft 8 penetrates through the support frame 7, the movable ring 10, the fixed frame 2 and the fourth connecting rod 16 in sequence, so that the first movable shaft 8 can rotate to drive the movable ring 10 and the fourth connecting rod 16 to move, bearings are arranged at the joints between the fixed frame 2 and the second movable shaft 14 and between the first movable shaft 8 and the fixed frame 2 and the support frame 7, and the first movable shaft 8 and the second movable shaft 14 rotate more stably.
Specifically, the first connecting rod 12 is movably connected with the second connecting rod 13 through a first rotating shaft 18, and the movable rod 17 is movably connected with the third connecting rod 15 and the fourth connecting rod 16 through a second rotating shaft 19.
The structure and operation of the pipetting device 4 will be described in detail below.
As shown in fig. 3, the liquid transferring apparatus 4 includes a fixed cylinder 20, an upper end of the fixed cylinder 20 is connected to the movable rod 17, a first partition 21 and a second partition 22 are respectively disposed inside the fixed cylinder 20, an extruding device 23 is disposed between the first partition 21 and the second partition 22 and inside the fixed cylinder 20, a second motor 24 is disposed at an upper end of the first partition 21 and inside the fixed cylinder 20, a connecting pipe 25 is disposed at a lower end of the second partition 22, the connecting pipe 25 penetrates through a lower end of the fixed cylinder 20, one end of the connecting pipe 25 is connected to an upper end of the pipette 26, the upper end of the fixed cylinder 20 is connected to the movable rod 17 through two sets of bolts 27, and liquid is sucked and discharged through the extruding device 23.
The structure and operation of the pressing device 23 will be described in detail below.
As shown in fig. 4-5, the pressing device 23 includes a rotating block 28, the center of the upper end of the rotating block 28 is connected to the output shaft of the second motor 24 through a third movable shaft 29, the lower end of the rotating block 28 is provided with a plurality of limit blocks 39, a pressing block 30 is arranged below the rotating block 28, the pressing block 30 is located inside the sealed chamber 31, and the sealed chamber 31 is located at the upper end of the second partition 22.
Specifically, four groups of fixture blocks 32 are arranged on the outer side of the extrusion block 30, four groups of grooves 33 are formed in the lower end of the extrusion block 30, one side of the limiting block 39 is of an arc-shaped structure, and the limiting block 39 is matched with the upper ends of the fixture blocks 32, so that the limiting block 39 can rotate to drive the extrusion block 30 to move up and down.
Specifically, the inner side of the sealing chamber 31 is provided with a limiting groove 34 matched with the extrusion block 30, the bottom of the limiting groove 34 is respectively provided with four groups of second grooves 35 and a group of through holes 36, springs 37 are respectively arranged between the four groups of first grooves 33 and the four groups of second grooves 35, the through holes 36 are connected with one end of the connecting pipe 25, and the outer side of the limiting groove 34 is provided with four groups of clamping grooves 38 matched with the clamping blocks 32.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application: when the liquid in the stock solution tank 5 needs to be detected, the rotating device 3 drives the liquid-moving device 4 to move from the stock solution tank 5 to the detection tank 6, the detection is completed, the motor I9 drives the movable shaft I8 to rotate, the movable shaft I8 drives the movable ring 10 and the connecting rod IV 16 to move, the movable ring 10 drives the fixed ring 11 to move, the fixed ring 11 drives the connecting rod I12 to move, the connecting rod I12 drives the connecting rod II 13 to move, the connecting rod II 13 drives the movable shaft II 14 to rotate, the other end of the movable shaft II 14 drives the connecting rod III 15 to rotate, the connecting rod III 15 and the connecting rod IV 16 drive the movable rod 17 to rotate, therefore, the movable rod 17 drives the liquid-moving device 4 to move from the stock solution tank 5 to the detection tank 6, the liquid-taking is completed when the liquid-transferring tube 26 leaves the stock solution tank 5, the liquid-discharging is completed when the liquid-transferring tube 26 reaches, the second motor 24 drives the third movable shaft 29 to rotate, the third movable shaft 29 drives the rotating block 28 to move, the rotating block 28 drives the limiting block 39 at the lower end to move, when the limiting block 39 contacts with the upper end of the clamping block 32, the limiting block 39 drives the extruding block 30 to move downwards, the first groove 33 at the lower end of the extruding block 30 extrudes the spring 37 to move downwards, the clamping block 32 contacts with the clamping groove 38, the upper end of the sealing chamber 31 is sealed, therefore, the extruding block 30 moves up and down, the pressure of the sealing chamber 31 changes, when the extruding block 30 moves upwards, the liquid is sucked into the stock solution tank 5 by the pipette 26, and when the extruding block 30 moves downwards, the liquid in the pipette 26 is discharged into the detection tank 6.
In summary, according to the above technical solution of the present invention, the rotating device 3 drives the liquid-transferring device 4 to ascend or descend, and moves the liquid-transferring device 4 from the stock solution box 5 to the detection box 6, so as to achieve the purpose of micro liquid absorption and discharge, and automatically absorb and discharge the solution without causing dripping; the invention controls the liquid suction and discharge of the liquid transfer tube 26 by the driving of the extruding device 23, and can stop the liquid suction or discharge operation at any time, so that the liquid suction and discharge is more accurate, air is not sucked, and the food detection is more reliable.
The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.
Claims (10)
1. The liquid transfer device for food detection is characterized by comprising a base (1), wherein a fixed frame (2) is arranged at the upper end of the base (1), a rotating device (3) is arranged on one side of the upper end of the fixed frame (2), a liquid transfer device (4) is arranged at the lower end of the rotating device (3), a stock solution box (5) is arranged below the liquid transfer device (4) and is positioned at the upper end of the base (1), a detection box (6) is arranged on one side of the stock solution box (5) and is positioned at the upper end of the base (1), the rotating device (3) comprises a supporting frame (7), the supporting frame (7) is positioned on one side of the fixed frame (2) and is positioned at the upper end of the base (1), a first movable shaft (8) is arranged at the upper end of the supporting frame (7) in an inserting manner, a first motor (9) is arranged at one end of the first movable shaft (, the movable shaft I (8) is arranged between the fixed frame (2) and the supporting frame (7) and is provided with a movable ring (10), the outer side of the movable ring (10) is sleeved with a fixed ring (11), one side of the fixed ring (11) is provided with a first connecting rod (12), one end of the fixed ring (11) and one end of a second connecting rod (13) are kept away from the first connecting rod (12), the other end of the second connecting rod (13) and one side of the upper end of the fixed frame (2) are connected through the second movable shaft (14), one end of the second connecting rod (13) which is kept away from the second movable shaft (14) and one side of the fixed frame (2) are provided with a third connecting rod (15), the other side of the upper end of the fixed frame (2) is provided with a fourth connecting rod (16), and a movable rod (17) is arranged between the third connecting rod (15) and, the middle position of the bottom of the movable rod (17) is connected with the upper end of the liquid-transfering device (4).
2. The liquid transfer device for food detection according to claim 1, wherein the first movable shaft (8) penetrates through the support frame (7), the movable ring (10), the fixed frame (2) and the fourth connecting rod (16) in sequence.
3. The liquid transfer device for food detection according to claim 1, wherein bearings are arranged at the joints between the fixed frame (2) and the second movable shaft (14) and between the first movable shaft (8) and the fixed frame (2) and the support frame (7).
4. The liquid transfer device for food detection according to claim 1, wherein the first connecting rod (12) is movably connected with the second connecting rod (13) through a first rotating shaft (18), and the movable rod (17) is movably connected with the third connecting rod (15) and the fourth connecting rod (16) through a second rotating shaft (19).
5. The liquid transfer device for food detection according to claim 1, wherein the liquid transfer device (4) comprises a fixed cylinder (20), the upper end of the fixed cylinder (20) is connected with the movable rod (17), a first partition plate (21) and a second partition plate (22) are respectively arranged inside the fixed cylinder (20), a squeezing device (23) is arranged between the first partition plate (21) and the second partition plate (22) and inside the fixed cylinder (20), a second motor (24) is arranged at the upper end of the first partition plate (21) and inside the fixed cylinder (20), a connecting pipe (25) is arranged at the lower end of the second partition plate (22), the connecting pipe (25) penetrates through the lower end of the fixed cylinder (20), and one end of the connecting pipe (25) is connected with the upper end of the liquid transfer pipe (26).
6. A liquid transfer device for food detection according to claim 5, characterized in that the upper end of the fixed cylinder (20) is connected with the movable rod (17) through two sets of bolts (27).
7. The liquid transfer device for food detection according to claim 5, characterized in that the squeezing device (23) comprises a rotating block (28), the center of the upper end of the rotating block (28) is connected with the output shaft of the motor II (24) through a movable shaft III (29), the lower end of the rotating block (28) is provided with a plurality of limiting blocks (39), a squeezing block (30) is arranged below the rotating block (28), the squeezing block (30) is positioned inside a sealed chamber (31), and the sealed chamber (31) is positioned at the upper end of the partition plate II (22).
8. The liquid transfer device for food detection according to claim 7, wherein four sets of fixture blocks (32) are arranged on the outer side of the extrusion block (30), and four sets of first grooves (33) are formed in the lower end of the extrusion block (30).
9. The liquid transfer device for food detection according to claim 7, characterized in that one side of the limit block (39) is arc-shaped, and the limit block (39) is matched with the upper end of the block (32).
10. The liquid transfer device for food detection according to claim 7, wherein a limiting groove (34) matched with the extrusion block (30) is arranged on the inner side of the sealing chamber (31), four groups of second grooves (35) and a group of through holes (36) are respectively formed in the bottom of the limiting groove (34), springs (37) are respectively arranged between the four groups of first grooves (33) and the four groups of second grooves (35), the through holes (36) are connected with one end of the connecting pipe (25), and four groups of clamping grooves (38) matched with the clamping blocks (32) are arranged on the outer side of the limiting groove (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911313459.6A CN110756241A (en) | 2019-12-19 | 2019-12-19 | Liquid transfer device for food detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911313459.6A CN110756241A (en) | 2019-12-19 | 2019-12-19 | Liquid transfer device for food detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110756241A true CN110756241A (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911313459.6A Pending CN110756241A (en) | 2019-12-19 | 2019-12-19 | Liquid transfer device for food detection |
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| CN (1) | CN110756241A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579733A (en) * | 2020-05-26 | 2020-08-25 | 朱闪闪 | Liquid transfer device for food detection |
| CN111781017A (en) * | 2020-06-19 | 2020-10-16 | 江苏食品药品职业技术学院 | Food safety automatic monitoring early warning device |
-
2019
- 2019-12-19 CN CN201911313459.6A patent/CN110756241A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579733A (en) * | 2020-05-26 | 2020-08-25 | 朱闪闪 | Liquid transfer device for food detection |
| CN111781017A (en) * | 2020-06-19 | 2020-10-16 | 江苏食品药品职业技术学院 | Food safety automatic monitoring early warning device |
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