Multifunctional automatic sample smearing device

Abstract

The utility model discloses a multifunctional automatic sample smearing device which comprises a working box, a transparent sealing cover connected to the top end of the working box in a clamped mode and first through grooves formed in the two sides of the working box. An electric push rod pushes a sliding rack to move, in the moving process, a rotating shaft rotates, the rotating shaft drives a gear to rotate, the gear enables the rotating shaft to roll in a second through groove under the action of a fixed rack, and when a smearing rod moves to the position above a sample box, the smearing rod is prevented from being blocked by the side wall of the sample box, and the smearing rod is fixed. When the smearing rod is inserted into the sample box, the ejection blocks downwards eject the lifting plate, the lifting plate can drive the sample box to move downwards by a certain distance, then the smearing rod is inserted into the sample box, the sliding rack continues to move, and in the moving process, the second ejection block ejects the lifting plate downwards, so that the smearing rod can be smoothly moved out of the sample box; and the slides on the fixing plate can be smeared through the smearing groove, so that a plurality of slides can be smeared at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a multifunctional automatic sample smear device. Background Art

[0002] Sample smear is a basic and critical experimental technique in fields such as biology, medicine, and materials science. It involves evenly smearing trace samples (such as cells, microorganisms, tissue sections, or chemical reagents) onto the surface of a glass slide or other substrate for subsequent microscopic observation, chemical analysis, or physical testing. This step is crucial to ensuring the accuracy and reliability of experimental results. The traditional sample smear method relies on manual operation, which requires technicians to have high professional skills and rich experience to ensure the uniformity and consistency of the smear. However, manual smearing is not only time-consuming and labor-intensive, but also easily affected by human factors, resulting in poor reproducibility of the results. Therefore, with the advancement of science and technology, the application of automation and intelligent technology in the field of sample smears has gradually become a research hotspot, aiming to improve smear efficiency, reduce operational difficulty, and improve the consistency of experimental results.

[0003] The automatic smear device is a high-tech laboratory instrument developed in recent years, designed to overcome the limitations of traditional manual smearing techniques. The device integrates a variety of advanced technologies, including precision mechanics, automated control, computer vision, and image processing, enabling a series of operations such as automatic sample aspiration, quantitative distribution, uniform coating, and positioning. Its core advantage is that it significantly improves the accuracy and efficiency of smears, reduces human error, and makes large-scale sample processing possible. In addition, automatic smear devices are usually equipped with intelligent software systems that can automatically adjust the smear speed, force, and mode according to preset parameters or user-defined requirements to meet the needs of different experimental scenarios. With the integration of artificial intelligence algorithms, some advanced automatic smear devices can also achieve real-time monitoring and feedback of smear quality, further optimizing the smear effect. In short, the emergence of automatic smear devices has greatly promoted the automation process in fields such as biology, medical research, and industrial testing, and is one of the indispensable high-end equipment in modern laboratories.

[0004] Patent document CN221528149U discloses an automatic smear device for microbial samples, which is suitable for the field of microbial sample detection technology. The problem to be solved is to provide an automatic smear device for microbial samples. The scheme adopted is: a detection table, a support frame, a support rod and a sample pen body. The upper surface of the detection table is symmetrically fixedly connected with the support frame, a support rod is arranged between the two support frames, and the bottom of the support rod is fixedly connected to the upper surface of the detection table, and the sample pen body is arranged above the detection table; a moving mechanism, a clamping mechanism and a limiting mechanism. By installing the moving mechanism, the clamping mechanism and the limiting mechanism, the sample box can be automatically clamped and the slide can be quickly positioned. The machine replaces manual labor, saves labor, and can ensure the efficiency of microbial sample smearing; the utility model is also suitable for the field of microbial sample detection.

[0005] As in the prior art of the above-mentioned patent, the above-mentioned device clamps the glass slide by a clamping mechanism, and then moves the sample to the top of the glass slide by a moving mechanism for smearing, thereby realizing automatic smearing of the sample without human intervention. However, the above-mentioned smear can only smear one sample once at a time, and can only make one sample smear at a time, and cannot realize smearing of multiple samples or multiple samples. Utility Model Content

[0006] The purpose of the utility model is to provide a multifunctional automatic sample smear device to solve the above-mentioned deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multifunctional sample automatic smear device, comprising a working box, a transparent sealing cover that is snap-connected to the top of the working box, and a first through-slot opened on both sides of the working box, a sample box is slidably installed inside the working box, a lifting plate is fixedly installed on both sides of the sample box, the lifting plate is slidably connected to the first through-slot, an elastic component is provided below the two first through-slots, a second through-slot is provided on both sides of the working box, a rotating shaft is slidably connected between the two second through-slots, a fixed block is fixedly installed on the rotating shaft, a plurality of jacks are provided on the top of the fixed block, gears are fixedly installed on both ends of the rotating shaft, a fixed rack is fixedly installed on the side wall of one side of the working box, a sliding rack is slidably installed on the side of the working box away from the fixed rack, the sliding rack and the fixed rack are meshed with the gear, a top block is fixedly installed on the bottom end of the sliding rack, and an inclined surface is provided on the bottom end of the top block, and a fixing component for fixing the glass slide is provided on the inner wall of the working box.

[0008] As a further description of the above technical solution: a push plate is fixedly installed on one end of the sliding rack, an electric push rod is fixedly installed on the side wall of the working box, and the output end of the electric push rod is transmission-connected to the push plate.

[0009] As a further description of the above technical solution: the elastic component includes a fixed rod and a sliding rod slidably installed above the fixed rod, a spring is provided inside the fixed rod, the sliding rod is slidably connected to the fixed rod through the spring, and the top end of the sliding rod is fixedly connected to the lifting plate.

[0010] As a further description of the above technical solution: the fixing assembly includes a fixing plate, which is fixedly installed on the inner wall of the working box, and a plurality of slots are opened on the top of the fixing plate, and a plurality of smear grooves are opened on the side wall of the fixing plate, and the smear grooves are connected to the slots.

[0011] As a further description of the above technical solution: a plurality of partitions are fixedly installed inside the sample box.

[0012] As a further description of the above technical solution: the inner wall of the socket is provided with a rubber elastic layer.

[0013] The utility model provides a multifunctional automatic sample smear device. It has the following beneficial effects: the utility model places a sample to be smeared in a sample box, then inserts a smear stick specifically for smearing into a socket on a fixed block at the top of a rotating shaft, and drives a sliding rack to move by an electric push rod. During the movement, the rotating shaft rotates, and the rotating shaft drives the gear to rotate. Under the action of the fixed rack, the gear causes the rotating shaft to roll inside a second through groove. When the smear stick moves to the top of the sample box, in order to prevent the side wall of the sample box from blocking the smear stick, the top block pushes down against the lifting plate, so that the lifting plate can drive the sample box to move downward an end distance, and then the smear stick is inserted into the interior of the sample box, and the sliding rack continues to move. During the movement, the second top block pushes the lifting plate downward, so that the smear stick can be smoothly moved out of the sample box. After being moved out, the glass slide on the fixed plate can be smeared through the smear groove, thereby realizing smearing multiple glass slides at the same time.

[0014] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0015] This application document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a multifunctional automatic sample smear device proposed by the utility model;

[0017] Figure 2 A schematic diagram of the three-dimensional structure of the present invention from another perspective;

[0018] Figure 3This is a schematic diagram of the main structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the three-dimensional exploded structure of the pressure roller, mounting box and elastic component of the utility model;

[0020] Figure 5 This is a schematic diagram of the three-dimensional structure of the interior of the installation box of the present invention;

[0021] Figure 6 It is a three-dimensional explosion of the discharge mechanism of the utility model;

[0022] Figure 7 This is a schematic cross-sectional view of the utility model in which a pressure roller is provided with absorbent cotton.

[0023] Legend:

[0024] 1. Working box; 2. Transparent sealing cover; 3. Electric push rod; 4. Push plate; 5. Sliding rack; 6. Top block; 7. Lifting plate; 8. First through slot; 9. Fixed rod; 10. Spring; 11. Sliding rod; 12. Second through slot; 13. Rotating shaft; 14. Gear; 15. Fixed rack; 16. Sample box; 17. Partition; 18. Fixed plate; 19. Slot; 20. Smear slot; 21. Fixed block; 22. Socket; 23. Inclined surface; 24. Rubber elastic layer. DETAILED DESCRIPTION

[0025] 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.

[0026] Reference Figure 1-7A multifunctional automatic sample smear device includes a working box 1, a transparent sealing cover 2 that is snap-connected to the top of the working box 1, and first through slots 8 opened on both sides of the working box 1. A sample box 16 is slidably installed inside the working box 1, and lifting plates 7 are fixedly installed on both sides of the sample box 16. The lifting plates 7 are slidably connected to the first through slots 8. An elastic component is provided below the two first through slots 8. Second through slots 12 are opened on both sides of the working box 1, and a rotating shaft is slidably connected between the two second through slots 12. 13, a fixed block 21 is fixedly installed on the rotating shaft 13, and a plurality of jacks 22 are provided at the top of the fixed block 21. Gears 14 are fixedly installed at both ends of the rotating shaft 13. A fixed rack 15 is fixedly installed on the side wall of one side of the working box 1. A sliding rack 5 is slidably installed on the side of the working box 1 away from the fixed rack 15. The sliding rack 5 and the fixed rack 15 are meshed with the gear 14. A top block 6 is fixedly installed at the bottom end of the sliding rack 5, and a slope 23 is provided at the bottom end of the top block 6. The inner wall of the working box 1 is provided with a fixing assembly for fixing the glass slide; the sample to be smeared is placed in the sample box 16, and then the smear stick dedicated to the smear is inserted into the socket 22 on the fixed block 21 at the top of the rotating shaft 13, and the sliding rack 5 is pushed to move by the electric push rod 3. During the movement, the rotating shaft 13 rotates, and the rotating shaft 13 drives the gear 14 to rotate. Under the action of the fixed rack 15, the gear 14 causes the rotating shaft 13 to roll inside the second through groove 12. When the smear stick moves to the top of the sample box 16 In order to avoid the side wall of the sample box 16 from blocking the smear stick, the top block 6 pushes the lifting plate 7 downward, which can enable the lifting plate 7 to drive the sample box 16 to move downward an end distance, and then the smear stick is inserted into the interior of the sample box 16, and the sliding rack 5 continues to move. During the movement, the second top block 6 pushes the lifting plate 7 downward, so that the smear stick can be smoothly moved out of the sample box 16. After moving out, the glass slide on the fixed plate 18 can be smeared through the smear groove 20, thereby realizing smearing multiple glass slides at the same time.

[0027] As the preferred technical solution of this embodiment, a push plate 4 is fixedly installed at one end of the sliding rack 5, and an electric push rod 3 is fixedly installed on the side wall of the working box 1. The output end of the electric push rod 3 is transmission-connected to the push plate 4; the push plate 4 can be pushed by the electric push rod 3 to further realize the movement of the sliding rack 5.

[0028] As the preferred technical solution of this embodiment, the elastic component includes a fixed rod 9 and a sliding rod 11 slidably installed above the fixed rod 9. A spring 10 is provided inside the fixed rod 9. The sliding rod 11 is slidably connected to the fixed rod 9 through the spring 10. The top of the sliding rod 11 is fixedly connected to the lifting plate 7; the function of the spring 10 is to enable the lifting plate 7 to move downward, and after moving, it can be reset.

[0029] As the preferred technical solution of this embodiment, the fixing assembly includes a fixing plate 18, which is fixedly installed on the inner wall of the working box 1. A plurality of slots 19 are provided at the top of the fixing plate 18, and a plurality of smear grooves 20 are provided on the side wall of the fixing plate 18. The smear grooves 20 are connected to the slots 19; the glass slide to be smeared is inserted into the interior of the slots 19, and then the glass slide can be smeared through the smear grooves 20.

[0030] As a preferred technical solution of this embodiment, a plurality of partitions 17 are fixedly installed inside the sample box 16; the partitions 17 can separate the sample box 16, and multiple samples can be placed, so that multiple samples can be sampled and smeared.

[0031] As a preferred technical solution of this embodiment, the inner wall of the socket 22 is provided with a rubber elastic layer 24; the rubber elastic layer 24 is relatively soft, and its function is to increase the friction between the smear stick box socket 22, so that the smear stick is fixed.

[0032] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multifunctional automatic sample smear device, comprising a working box (1), a transparent sealing cover (2) snap-fitted to the top of the working box (1), and first through slots (8) provided on both sides of the working box (1), characterized in that: A sample box (16) is slidably mounted inside the working box (1), and lifting plates (7) are fixedly mounted on both sides of the sample box (16), and the lifting plates (7) are slidably connected to the first through slots (8), and elastic components are provided below the two first through slots (8). Second through slots (12) are provided on both sides of the working box (1), and a rotating shaft (13) is slidably connected between the two second through slots (12), and a fixed block (21) is fixedly mounted on the rotating shaft (13), and a plurality of jacks (22) are provided on the top of the fixed block (21). Gears (14) are fixedly mounted on both ends of the rotating shaft (13); a fixed rack (15) is fixedly mounted on the side wall of one side of the working box (1); a sliding rack (5) is slidably mounted on the side of the working box (1) away from the fixed rack (15); the sliding rack (5) and the fixed rack (15) are both meshed with the gear (14); a top block (6) is fixedly mounted on the bottom end of the sliding rack (5); a slope (23) is provided on the bottom end of the top block (6); and a fixing component for fixing a glass slide is provided on the inner wall of the working box (1).

2. A multifunctional automatic sample smear device according to claim 1, characterized in that: A push plate (4) is fixedly mounted on one end of the sliding rack (5), an electric push rod (3) is fixedly mounted on the side wall of the working box (1), and an output end of the electric push rod (3) is transmission-connected to the push plate (4).

3. A multifunctional automatic sample smear device according to claim 1, characterized in that: The elastic component comprises a fixed rod (9) and a sliding rod (11) slidably mounted above the fixed rod (9); a spring (10) is provided inside the fixed rod (9); the sliding rod (11) is slidably connected to the fixed rod (9) via the spring (10); and the top end of the sliding rod (11) is fixedly connected to the lifting plate (7).

4. A multifunctional automatic sample smear device according to claim 1, characterized in that: The fixing assembly comprises a fixing plate (18), the fixing plate (18) being fixedly mounted on the inner wall of the working box (1), a plurality of slots (19) being provided on the top of the fixing plate (18), a plurality of smearing slots (20) being provided on the side wall of the fixing plate (18), and the smearing slots (20) being communicated with the slots (19).

5. The multifunctional automatic sample smear device according to claim 1, characterized in that: A plurality of partitions (17) are fixedly installed inside the sample box (16).

6. A multifunctional automatic sample smear device according to claim 1, characterized in that: The inner wall of the insertion hole (22) is provided with a rubber elastic layer (24).

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