Sample adding device for microorganisms
By automatically moving the test tube bottle fixing seat using a conveyor belt and an electric telescopic rod in the microbial sample replenishment device, adjusting the height of the lift plate with a worm gear and a worm, and disinfecting and loading samples with an ultraviolet disinfection lamp and a mobile motor, microbial contamination in the prior art is solved and the problem of low manual sample loading efficiency, an efficient and stable sample loading process is achieved.
Patent Information
- Application Number
- CN202411653810.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-01-14
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing microbial sample replenishment devices have high microbial mortality rates, and traditional manual sample replenishment methods are difficult to meet the needs of high-throughput experiments.
A microbial sample loading device is designed, using a conveyor belt and an electric telescopic rod to cooperate with an automatic moving test tube bottle fixing seat, combining a worm gear and a worm shaft to adjust the height of the lift plate, and using an ultraviolet disinfection lamp and a mobile motor to disinfect and replenish samples to ensure the stability of the microbial and efficient sample addition.
It improves the efficiency and convenience of sample loading operations, reduces the risk of microbial contamination, meets the needs of high-throughput experiments, and realizes a stable disinfection and sample loading function.
Smart Images

Figure CN119307362A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of microorganism sample adding tools, in particular to a microorganism sample adding device. Background Art
[0002] With the improvement of laboratory automation level, automatic sample loading devices can reduce manual operations, improve work efficiency, and reduce human errors. In microbiological experiments, the amount and speed of sample addition have a significant impact on the experimental results. High-precision sample loading devices can ensure the accurate addition of samples. In microbiological experiments, cross-contamination may lead to inaccurate experimental results. The design of the sample loading device needs to consider measures to prevent contamination, and the composition structure of the sample loading device for microorganisms includes a sample storage unit, a sample loading system, a control system, and a safety protection device; and the existing sample loading device for microorganisms has a high microbial mortality rate during use due to possible contamination, and the traditional manual sample loading method is difficult to meet the needs of high-throughput experiments; for this reason, the present application designs a sample loading device for microorganisms to solve the above problems. Summary of the invention
[0003] The purpose of the present invention is to solve the shortcomings of the prior art and to provide a microorganism sample adding device.
[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a sample loading device for microorganisms, comprising a workbench, a cavity structure is opened on the inner side of the workbench, and a sealing box is covered on the upper end of the workbench, the sealing box is tightly fitted on the upper end of the workbench, a conveying platform is installed on the inner side of the workbench cavity, a conveying mechanism is installed on the conveying platform, electric telescopic rods are evenly installed on both sides of the conveying mechanism, and a sample loading seat positioning port is opened on a test tube bottle fixing seat in the conveying mechanism that penetrates upward through the workbench, and a plurality of test tube bottle placement holes are evenly spaced on the test tube bottle fixing seat.
[0005] Preferably, the conveying mechanism includes a conveyor belt, a conveyor roller and a conveying motor. The conveyor belt is installed in the groove between the conveying platforms, and the inner sides of both ends of the conveyor belt are sleeved with conveyor rollers. Both ends of the conveyor rollers are rotatably clamped on the inner side walls of the conveyor platform groove. One end of the conveyor platform is fixedly connected to the conveying motor by bolts, and the conveying motor drive shaft passes through the conveyor platform and is clamped on one end of the conveyor roller.
[0006] Preferably, a fixing block is fixedly connected to one side of the upper end of the workbench in the vertical direction, ultraviolet disinfection lamps are equidistantly installed on both sides of one end of the fixing block, and the inner side of the fixing block is a cavity structure.
[0007] Preferably, a torsion spring plate is hinged on the other side of the workbench, the upper end of the torsion spring plate is tightly fitted on the lower end of the conveying platform, and triangular blocking plates are installed on both sides of the torsion spring plate, and one end of the triangular blocking plate is fixed to the workbench.
[0008] Preferably, an L-shaped lifting plate is installed in the inner cavity of the fixed block, a lifting transmission mechanism is installed at the lower end of the L-shaped lifting plate, and a horizontal moving mechanism is installed at the upper end of the L-shaped lifting plate.
[0009] Preferably, the horizontal movement mechanism comprises an X-axis moving motor, an X-axis moving slot, a Y-axis moving motor and a positioning slot, the positioning slots are arranged on both sides of the upper end of the L-shaped lifting plate, and a Y-axis groove is arranged between the positioning slots, a Y-axis bolt rod is horizontally installed on the inner side of the Y-axis groove, a Y-axis moving motor is installed on one end of the Y-axis bolt rod, and a Y-axis moving seat is sleeved on the outer side of the Y-axis bolt rod, an X-axis moving slot is fixedly connected to the Y-axis moving seat, an X-axis bolt rod is installed on the inner side of the X-axis moving slot, and an X-axis moving motor is installed on one end of the X-axis moving slot through a bolt, a driving shaft of the X-axis moving motor passes through the X-axis moving slot and is clamped on one end of the X-axis bolt rod, and an X-axis moving seat is sleeved on the X-axis bolt rod.
[0010] Preferably, a sample injector is fixedly connected to the X-axis movable seat by bolts, the other end of the sample injector is connected to a hose, and the other end of the hose is sleeved on the inner side of the through hole.
[0011] Preferably, the lifting transmission mechanism includes a first motor, a worm, a worm wheel, a lifting bolt and a positioning plate. The first motor is installed and fixed on one side of the fixed block, and the driving end of the first motor is clamped on one end of the worm on the inner side of the fixed block. The worm is horizontally and equidistantly installed with two worm wheels. The upper ends of the two worm wheels are fixed with lifting bolts. The lifting bolts are rotatably connected to the positioning plate, and the lifting bolts are screwed together with the threaded grooves provided on the L-shaped lifting plate.
[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention cooperates with the conveyor belt and the electric telescopic rod to facilitate the automatic movement of the test tube bottle fixing seat to the positioning port of the sample adding seat, thereby improving the efficiency of the sample adding operation on the test tube bottle in the test tube bottle fixing seat, thereby realizing the function of quick sample adding; the worm gear and the worm gear cooperate with each other to facilitate the lifting bolt to rotate in the L-shaped lifting plate, thereby adjusting the height of the L-shaped lifting plate, improving the convenience of adding samples to reagent bottles of different lengths, thereby realizing the diversified use function of the sample adding device, and then the ultraviolet disinfection lamp cooperates with the X-axis moving motor and the Y-axis moving motor to facilitate the sample adding device to disinfect and add samples, improve the stability of microbial sample adding, thereby realizing the function of disinfection and sample adding, and finally solves the problem that the high microbial mortality rate due to pollution and the manual sample adding method are difficult to meet the needs of high-throughput experiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the overall three-dimensional structure of the present invention when viewed from above; Figure 3 It is a schematic diagram of the internal overall three-dimensional structure of the present invention; Figure 4 It is a schematic diagram of the internal front view structure of the present invention; Figure 5 It is a side cross-sectional structural schematic diagram of the present invention; Figure 6 It is a rear cross-sectional structural schematic diagram of the present invention; Figure 7 It is a schematic diagram of the cross-sectional structure of the present invention when viewed from above; Figure 8 It is a schematic diagram of the lifting transmission mechanism of the present invention.
[0014] Serial numbers in the figure: 1. Workbench; 2. Sealing box; 3. Conveying table; 4. Conveyor belt; 5. Test tube bottle holder; 6. Fixing block; 7. Ultraviolet disinfection lamp; 8. L-shaped lifting plate; 9. First motor; 10. Torsion spring plate; 11. Sampler; 12. X-axis moving groove; 13. X-axis moving motor; 14. Electric telescopic rod; 15. Conveying motor; 16. Hose; 17. Worm; 18. Through hole; 19. Lifting bolt; 20. Positioning plate; 21. Y-axis moving motor; 22. Positioning groove; 23. Worm gear. DETAILED DESCRIPTION
[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0016] Example: See Figures 1 to 8A microbial sample loading device comprises a workbench 1, a cavity structure is provided inside the workbench 1, and a sealing box 2 is covered on the upper end of the workbench 1, and the sealing box 2 is tightly fitted on the upper end of the workbench 1, a conveying platform 3 is installed inside the cavity of the workbench 1, and a conveying mechanism is installed on the conveying platform 3, and electric telescopic rods 14 are evenly installed on both sides of the conveying mechanism, and a test tube bottle fixing seat 5 in the conveying mechanism penetrates upward through the workbench 1 and is provided with a sample loading seat positioning port, and a plurality of test tube bottle placement holes are evenly provided on the test tube bottle fixing seat 5, and the test tube bottle is conveniently placed through the electric telescopic rod 14 and the test tube bottle fixing seat 5 The fixing seat 5 is installed and fixed in the positioning opening of the sample adding seat; the conveying mechanism includes a conveyor belt 4, a conveyor roller and a conveying motor 15. The conveyor belt 4 is installed in the groove between the conveying platforms 3, and the inner sides of both ends of the conveyor belt 4 are sleeved with conveyor rollers. Both ends of the conveyor rollers are rotatably clamped on the inner side walls of the groove of the conveying platform 3. One end of the conveying platform 3 is fixedly connected with the conveying motor 15 by bolts. The driving shaft of the conveying motor 15 passes through the conveying platform 3 and is clamped on one end of the conveyor roller. Through the conveying motor 15 and the conveyor belt 4, the test tube bottle fixing seat 5 is convenient to move, thereby improving the convenience of using the sample adding device.
[0017] In the present invention, a fixed block 6 is fixedly connected to one side of the upper end of the workbench 1 in the vertical direction, and ultraviolet disinfection lamps 7 are equidistantly installed on both sides of one end of the fixed block 6, and the inner side of the fixed block 6 is a cavity structure, which is convenient for disinfecting and sterilizing the test tube bottle in the test tube bottle holder 5 through the ultraviolet disinfection lamp 7; a torsion spring plate 10 is hinged on the other side of the workbench 1, and the upper end of the torsion spring plate 10 is tightly fitted on the lower end of the conveying platform 3, and triangular blocking plates are installed on both sides of the torsion spring plate 10, and one end of the triangular blocking plate is fixed to the workbench 1, and the triangular blocking plate and the torsion spring plate 10 are convenient for preventing foreign matter from entering the lower end of the conveying platform 3; an L-shaped lifting plate 8 is installed in the inner cavity of the fixed block 6, and a lifting transmission mechanism is installed at the lower end of the L-shaped lifting plate 8, and a horizontal moving mechanism is installed at the upper end of the L-shaped lifting plate 8, which is convenient for adding samples to the test tube bottle in the test tube bottle holder 5.
[0018] In the present invention, the horizontal movement mechanism includes an X-axis movement motor 13, an X-axis movement slot 12, a Y-axis movement motor 21 and a positioning slot 22. The positioning slot 22 is arranged on both sides of the upper end of the L-shaped lifting plate 8, and a Y-axis groove is arranged between the positioning slots 22. A Y-axis bolt rod is horizontally installed on the inner side of the Y-axis groove, a Y-axis movement motor 21 is installed on one end of the Y-axis bolt rod, and a Y-axis movement seat is sleeved on the outer side of the Y-axis bolt rod. The Y-axis movement slot 12 is fixedly connected to the Y-axis movement seat, an X-axis bolt rod is installed on the inner side of the X-axis movement slot 12, and an X-axis movement motor 13 is installed on one end of the X-axis movement slot 12 through a bolt. The driving shaft of the X-axis movement motor 13 passes through the X-axis movement slot 12 and is clamped at one end of the X-axis bolt rod. The X-axis movement seat is sleeved on the X-axis bolt rod. The horizontal movement function of the XY axis is realized through the Y-axis movement motor 21 and the X-axis movement motor 13.
[0019] In the present invention, the X-axis movable seat is fixedly connected with a sampler 11 by bolts, and the other end of the sampler 11 is connected with a hose 16, and the other end of the hose 16 is sleeved on the inner side of the through hole 18. Through the sampler 11 and the hose 16, it is convenient to evenly add microorganisms from the sampler 11 to the test tube bottle; the lifting transmission mechanism includes a first motor 9, a worm 17, a worm gear 23, a lifting bolt 19 and a positioning plate 20. The first motor 9 is installed and fixed on one side of the fixed block 6, and the driving end of the first motor 9 is clamped on one end of the worm 17 on the inner side of the fixed block 6. The worm 17 is horizontally equidistantly installed with two worm gears 23. The upper ends of the two worm gears 23 are fixedly connected with lifting bolts 19. The lifting bolts 19 are rotatably connected to the positioning plate 20, and the lifting bolts 19 are screwed and connected with the threaded grooves provided on the L-shaped lifting plate 8. Through the worm gear 23 and the worm 17, it is convenient to lift the L-shaped lifting plate 8 up and down through the lifting bolts 19.
[0020] Working principle: In this embodiment, the present invention also proposes a method for using a microbial sample adding device, comprising the following steps: Step 1: First, the workbench 1 and the sealing box 2 are used to form the overall shell of the sample addition device, and the microbial sample addition process can be effectively prevented from being affected by other factors. Then, the conveying table 3 and the conveyor belt 4 are used to automatically transport the test tube bottle holder 5 to the inside of the workbench 1. Then, the conveying motor 15 and the electric telescopic rod 14 are used to facilitate the forward and reverse rotation of the conveyor belt 4, and the conveying table 3 can be moved. Then, the triangular blocking plate and the torsion spring plate 10 are used to prevent foreign matter from entering the inside of the workbench 1. Step 2, then use the ultraviolet disinfection lamp 7 to disinfect and sterilize the test tube bottle in the test tube bottle fixing seat 5 to avoid affecting the added microorganisms; then use the fixed block 6 and the L-shaped lifting plate 8 to install the lifting transmission mechanism, and then use the X-axis moving groove 12 and the Y-axis groove to install and fix the sampler 11, and then use the X-axis moving motor 13 and the Y-axis moving motor 21 to make the sampler 11 move horizontally along the XY axis, and then use the hose 16 and the through hole 18 to make the microorganisms add samples through the sampler 11, and then use the first motor 9 and the worm gear 23 and the worm 17 to control the rotation of the lifting bolt 19 and adjust the level of the L-shaped lifting plate 8, and then use the positioning plate 20 and the positioning groove 22 to position the lifting bolt 19 and the horizontal moving mechanism.
[0021] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A microbial sample loading device, comprising a workbench (1), characterized in that: A cavity structure is provided inside the workbench (1), and the upper end of the workbench (1) is covered with a sealing box (2), the sealing box (2) is tightly fitted on the upper end of the workbench (1), a conveying platform (3) is installed inside the cavity of the workbench (1), a conveying mechanism is installed on the conveying platform (3), electric telescopic rods (14) are evenly installed on both sides of the conveying mechanism, and a test tube bottle fixing seat (5) in the conveying mechanism penetrates the workbench (1) upwards and is provided with a sample adding seat positioning opening, and a plurality of test tube bottle placement holes are evenly spaced on the test tube bottle fixing seat (5).
2. A microorganism sample adding device according to claim 1, characterized in that: The conveying mechanism comprises a conveyor belt (4), a conveyor roller and a conveying motor (15); the conveyor belt (4) is installed in the groove between the conveying platforms (3), and the inner sides of both ends of the conveyor belt (4) are sleeved with conveyor rollers, and both ends of the conveyor rollers are rotatably clamped on the inner side walls of the groove of the conveying platform (3); one end of the conveying platform (3) is fixedly connected to the conveying motor (15) by bolts, and the driving shaft of the conveying motor (15) passes through the conveying platform (3) and is clamped on one end of the conveyor roller.
3. A microorganism sample adding device according to claim 1, characterized in that: A fixing block (6) is fixedly connected in a vertical direction to one side of the upper end of the workbench (1), ultraviolet disinfection lamps (7) are equidistantly installed on both sides of one end of the fixing block (6), and the inner side of the fixing block (6) is a cavity structure.
4. A microorganism sample adding device according to claim 3, characterized in that: A torsion spring plate (10) is hingedly connected to the other side of the workbench (1), the upper end of the torsion spring plate (10) is tightly fitted to the lower end of the conveying platform (3), and triangular blocking plates are installed on both sides of the torsion spring plate (10), one end of each of the triangular blocking plates is fixed to the workbench (1).
5. A microorganism sample adding device according to claim 3, characterized in that: An L-shaped lifting plate (8) is installed in the inner cavity of the fixed block (6), a lifting transmission mechanism is installed at the lower end of the L-shaped lifting plate (8), and a horizontal movement mechanism is installed at the upper end of the L-shaped lifting plate (8).
6. A microorganism sample adding device according to claim 5, characterized in that: The horizontal movement mechanism comprises an X-axis moving motor (13), an X-axis moving slot (12), a Y-axis moving motor (21) and a positioning slot (22); the positioning slot (22) is provided on both sides of the upper end of the L-shaped lifting plate (8), and a Y-axis groove is provided between the positioning slots (22); a Y-axis bolt rod is horizontally installed inside the Y-axis groove; a Y-axis moving motor (21) is installed at one end of the Y-axis bolt rod, and a Y-axis moving seat is sleeved on the outer side of the Y-axis bolt rod; an X-axis moving slot (12) is fixedly connected to the Y-axis moving seat; an X-axis bolt rod is installed inside the X-axis moving slot (12), and an X-axis moving motor (13) is installed at one end of the X-axis moving slot (12) via a bolt; a driving shaft of the X-axis moving motor (13) passes through the X-axis moving slot (12) and is clamped on one end of the X-axis bolt rod; and an X-axis moving seat is sleeved on the X-axis bolt rod.
7. A microorganism sample adding device according to claim 6, characterized in that: The X-axis movable seat is fixedly connected to a sample injector (11) by means of bolts, the other end of the sample injector (11) is connected to a hose (16), and the other end of the hose (16) is sleeved on the inner side of the through hole (18).
8. A microorganism sample adding device according to claim 5, characterized in that: The lifting transmission mechanism comprises a first motor (9), a worm (17), a worm wheel (23), a lifting bolt (19) and a positioning plate (20); the first motor (9) is fixedly mounted on one side of a fixed block (6), and a driving end of the first motor (9) is clamped on one end of the worm (17) on the inner side of the fixed block (6); two worm wheels (23) are mounted on the worm (17) at equal intervals in horizontal direction; the upper ends of the two worm wheels (23) are fixedly connected with a lifting bolt (19); the lifting bolts (19) are rotatably connected to the positioning plate (20), and the lifting bolts (19) are screwed together with a threaded groove provided on the L-shaped lifting plate (8).