Microbial smear dyeing device for medical examination

Abstract

The invention discloses a medical examination microorganism smear staining device, and relates to the field of medical examination, the medical examination microorganism smear staining device comprises a main shell, a mounting disc and a reagent storage box, the mounting disc is arranged in the main shell, the reagent storage box is arranged above the main shell, a liquid dropping control mechanism is arranged below the reagent storage box, and the liquid dropping control mechanism is connected with the mounting disc. The reagent storage boxes are arranged above the main shell at equal angles and used for dyeing and cleaning pictures, a mounting shaft is fixed to the middle of the mounting disc, the mounting shaft and the main shell are rotationally connected, and a motor is connected to the upper portion of the mounting shaft and used for controlling rotation of the mounting shaft. According to the medical examination microorganism smear staining device, multiple groups of staining agents and cleaning agents can be stored through the reagent storage boxes, so that a sample can be subjected to staining treatment for multiple times, the subsequent operation convenience is greatly improved, the staining efficiency is greatly improved, and liquid in the reagent storage boxes can be replaced according to use requirements.

Description

Technical Field

[0001] The invention relates to the technical field of medical examination, in particular to a microbial smear staining device for medical examination. Background Art

[0002] When observing and detecting cell microorganisms in medicine, since normal cells are difficult to identify and view under normal conditions, the cells can be highlighted by staining the picture when inspecting them, so as to facilitate their observation. The application number is CN202310756631.5, and a microbial smear staining device for medical inspection disclosed on August 29, 2023, the present invention relates to the field of microbial detection technology, a fixed column is fixed inside the liquid collection tray, the sub-bracket and the cross plate of the main bracket are arranged in the same horizontal plane, and the sub-bracket and the main bracket are provided with relative slide clamping grooves; a tension spring is connected between the sub-bracket and the cross plate of the main bracket; the torsion spring shaft is rotatably connected to the top back of the main bracket by the shaft seat, and one end foot of the torsion spring shaft is set against the top of the main bracket, and the other end foot is set against the outer wall of the rotating column; the guide rod is inserted into the tension spring, and one end of the guide rod is fixed to the cross plate of the main bracket, and the other end is movably inserted into the sub-bracket. It has strong pertinence and low investment cost, and can effectively solve the above-mentioned defects. It can clamp multiple slides and stain multiple samples in sequence, saving the time of staining multiple samples separately and effectively alleviating the hand fatigue of the staff; the application number is CN202321915742.8, and a smear staining device disclosed on December 26, 2023, includes a device housing and a movable plate, a through hole is opened in the middle of the upper end surface of the device housing, a liquid storage tank is fixedly arranged at the top inside the through hole, a one-way valve is penetrated in the middle of the lower end surface of the liquid storage tank, a connecting pipe is fixedly arranged at the output end of the one-way valve, a support plate is fixedly arranged at the top inside the device housing, a drip funnel is fixedly arranged on both sides of the upper end surface of the support plate, a heater is embedded on both sides of the device housing, a first slide groove is opened in the middle of both sides of the device housing, a through rod is fixed inside the two first slide grooves, and a first slider is fixedly arranged on both sides of the movable plate. In the present application, it is convenient to make the smear more efficient when staining, and prevent the smear from being damaged by taking it during the staining process; When staining cells, current staining devices can only stain one reagent at a time. However, when staining some biological cells, multiple staining steps are required, that is, staining, washing, and then staining again. Multiple staining steps require multiple operations of the device, which is time-consuming and labor-intensive, reducing its ease of use and functionality. Summary of the invention

[0003] The purpose of the present invention is to provide a medical microbial smear staining device to solve the problem that the current staining device mentioned in the above background technology can only stain one reagent at a time when staining cells, but when staining some biological cells, multiple stainings are required, that is, staining, cleaning and then staining again. Multiple staining steps require multiple operations of the device, which is time-consuming and labor-intensive, reducing its ease of use and functionality.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a medical inspection microbial smear staining device, comprising a main shell, a mounting disk and a reagent storage box, wherein the mounting disk is arranged inside the main shell, and a reagent storage box is arranged above the main shell, a drip control mechanism is arranged below the reagent storage box, and the reagent storage box is arranged at an equal angle above the main shell to provide staining and cleaning for the image, a mounting shaft is fixed in the middle of the mounting disk, and a rotational connection is formed between the mounting shaft and the main shell, and a motor is connected above the mounting shaft to control the rotation of the mounting shaft, a support seat is fixed inside the mounting disk, and the support seats are distributed at equal angles on The interior of the mounting disk and the interior of the main shell are provided with a drying mechanism. When the mounting disk rotates, it drives the support seat to pass under the reagent storage box and under the drying mechanism in sequence. The two groups of support seats are located on the outside of the main shell, providing loading and unloading space for the glass slide. A movable cylinder is passed through the interior of the support seat, and a rubber head is provided above the movable cylinder, and an adsorption mechanism is provided inside the movable cylinder to provide attraction to the glass slide and limit it. A loading auxiliary mechanism is provided on the front side of the main shell to guide the glass slide to the top of the rubber head, and an unloading auxiliary mechanism is provided on the right side of the loading auxiliary mechanism to send the stained glass slide out from the rubber head.

[0005] Further optimizing the technical solution, the drip control mechanism includes a drip head and a control valve; The dripping head is installed below the reagent storage box; The control valve is installed inside the dripping head to control the dripping of the dripping head.

[0006] To further optimize the technical solution, a liquid collecting tank is provided inside the main shell, and a liquid drain port is provided at the bottom of the liquid collecting tank to discharge the dyeing liquid and the flushing liquid.

[0007] Further optimizing the technical solution, the adsorption mechanism includes an adsorption chamber, a piston, a first spring control rope, a driving block, a control seat and a positioning mechanism; The adsorption chamber is arranged inside the movable cylinder; The piston is arranged inside the adsorption chamber and between the adsorption chambers to form an up-and-down sliding structure; A first spring is arranged below the piston to provide an upward thrust to the piston; A control rope, fixed under the piston to control the movement of the piston; A driving block is arranged outside the movable cylinder and between the movable cylinder to form an up-and-down sliding structure, and the driving block is fixedly connected to the control rope, and the driving block is located above the supporting seat; A control seat, fixed at the lower end of the movable cylinder to control the movement of the movable cylinder; The positioning mechanism is arranged on the outer side of the support seat to limit the downward moving cylinder.

[0008] To further optimize the technical solution, the limiting mechanism includes a limiting block and a third spring; The limit block is arranged on the outer side of the movable cylinder and forms a telescopic connection between the movable cylinder, and the front side of the limit block is designed in an inclined structure; The third spring is fixed at the rear end of the limit block to provide a thrust therefor, and the movable cylinder is clamped below the support seat through the limit block.

[0009] To further optimize the technical solution, the feeding auxiliary mechanism includes a bracket, a connecting plate, a fixing block, a connecting shaft and a rotation control mechanism; A bracket is arranged above the movable cylinder and is symmetrically arranged about the center of the movable cylinder to provide support for the slide; A connecting plate, fixed to the outer side of the bracket; A fixing block fixed to the front side of the main housing; A connecting shaft is fixed at the end of the connecting plate, and the connecting shaft passes through the fixed block and the fixed block to form a rotation connection; The rotation control mechanism is connected to the connecting shaft to control the rotation of the connecting shaft.

[0010] To further optimize the technical solution, the rotation control mechanism includes a first gear, a second gear, a gear plate, a second spring, a first magnet, a second magnet and a linkage plate; The first gear is fixed on the outer side of the connecting shaft; A second gear is arranged on the outer side of the first gear and is meshed with the first gear, and the second gear is rotationally connected to the fixed block; A tooth plate, arranged on the outer side of the second gear and between the second gear to form an up-and-down sliding structure; A second spring is fixed above the tooth plate to provide an upward pulling force for the tooth plate; A first magnet is fixed below the tooth plate; The second magnet is arranged below the first magnet and attracts the first magnet; The linkage plate is fixed below the second magnet, and the bottom of the linkage plate is fixedly connected to the control seat.

[0011] To further optimize the technical solution, a third magnet is fixed inside the limit block, a fourth magnet is arranged on the front side of the main shell, and the fourth magnet and the third magnet are arranged opposite to each other with the same poles, and a support frame is fixed on the outside of the fourth magnet, and the support frame is connected to the main shell.

[0012] To further optimize the technical solution, the auxiliary mechanism for unloading includes a material receiving rack, a material pushing plate and a telescopic device; The material receiving rack is located at the front side of the movable cylinder, and the material receiving rack is located above the supporting frame; The push plate is located above the receiving rack; The telescope is fixed at the rear end of the push plate to control the movement of the push plate, and the telescope is fixedly connected to the main shell.

[0013] Compared with the prior art, the present invention has the following beneficial effects: (1) Multiple reagent storage boxes can be used to store multiple sets of stains and cleaning agents, so that the samples can be stained multiple times, which greatly saves the convenience of subsequent operations and staining efficiency, and the liquid in the reagent storage box can be replaced according to the needs of use; (2) The sample can be moved by the rotation of the mounting plate, and enter the main housing, and pass through multiple reagent storage boxes in sequence for dyeing and rinsing, and finally cooperate with the drying mechanism for drying and delivery; (3) The movement of the piston in the movable cylinder can generate an adsorption force in the adsorption chamber, thereby positioning the slide so that it can move stably with the mounting plate, ensuring the stability of the slide itself during subsequent staining; (4) The loading auxiliary mechanism can assist the glass slide to be placed above the rubber head, and when the movable cylinder is controlled to move downward, the bracket can automatically follow and rotate, so as to lower the glass slide, realize the loading of the glass slide, and maintain the stability of the loading position; (5) The stained slide can be pushed off the rubber head through the unloading auxiliary mechanism, so that it is in an empty state. It can then be rotated to the bottom of the loading auxiliary mechanism to continue unloading and receiving the slide. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the top view structure of the present invention; Figure 3 This is a schematic diagram of the internal structure of the main housing of the present invention; Figure 4 This is a schematic diagram of the three-dimensional structure of the mounting plate of the present invention; Figure 5 It is a schematic diagram of the main cross-sectional structure of the present invention; Figure 6This is a schematic diagram of the main cross-sectional structure of the movable cylinder of the present invention; Figure 7 This is a schematic diagram of the main cross-sectional structure of the fixing block of the present invention; Figure 8 It is a schematic diagram of the side section structure of the movable cylinder of the present invention; Fig. 9 It is a schematic diagram of the side structure of the main housing of the present invention; Fig.10 For the present invention Fig. 9 The enlarged structural diagram at a in the middle.

[0015] In the figure: 1. main shell; 2. mounting plate; 3. reagent storage box; 4. drip head; 5. control valve; 6. liquid collecting tank; 7. drain port; 8. mounting shaft; 9. motor; 10. drying mechanism; 11. support seat; 12. movable cylinder; 13. rubber head; 14. adsorption chamber; 15. piston; 16. first spring; 17. control rope; 18. drive block; 19. control seat; 20. bracket; 21. connecting plate; 22. fixing block; 23. connecting shaft; 24. first gear; 25. second gear; 26. tooth plate; 27. second spring; 28. first magnet; 29. ​​second magnet; 30. linkage plate; 31. limit block; 32. third spring; 33. third magnet; 34. fourth magnet; 35. support frame; 36. receiving frame; 37. pushing plate; 38. telescope. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-Figure 10 , the present invention provides the following technical solution: a medical inspection microbial smear staining device, comprising a main housing 1, a mounting disk 2 and a reagent storage box 3, wherein the mounting disk 2 is arranged inside the main housing 1, and the reagent storage box 3 is arranged above the main housing 1; Embodiment one:

[0018] The invention provides a technical solution, which discloses that a drip control mechanism is arranged below the reagent storage box 3, and the reagent storage box 3 is arranged at an equal angle above the main shell 1 to provide staining and cleaning for the picture. A mounting shaft 8 is fixed to the middle of the mounting disk 2, and a rotation connection is formed between the mounting shaft 8 and the main shell 1, and a motor 9 is connected above the mounting shaft 8 to control the rotation of the mounting shaft 8. A support seat 11 is fixed inside the mounting disk 2, and the support seat 11 is distributed at an equal angle inside the mounting disk 2. A drying mechanism 10 is arranged inside the main shell 1. When the mounting disk 2 rotates, it drives the support seat 11 to pass through the bottom of the reagent storage box 3 and the bottom of the drying mechanism 10 in turn. Two groups of support seats 11 are located on the outside of the main shell 1 to provide loading and unloading for the slide. The material space, the interior of the support seat 11 is penetrated by a movable cylinder 12, and a rubber head 13 is arranged above the movable cylinder 12, and an adsorption mechanism is arranged inside the movable cylinder 12 to provide suction to the glass slide to limit it, the front side of the main shell 1 is provided with a loading auxiliary mechanism to guide the glass slide to the top of the rubber head 13, and the right side of the loading auxiliary mechanism is provided with a unloading auxiliary mechanism to send the stained glass slide from the rubber head 13, the dripping control mechanism includes a dripping head 4 and a control valve 5, the dripping head 4 is installed below the reagent storage box 3, the control valve 5 is installed inside the dripping head 4 to control the dripping of the dripping head 4, the interior of the main shell 1 is provided with a collecting tank 6, and the bottom of the collecting tank 6 is provided with a drain port 7 to discharge the dyeing liquid and the flushing liquid; When in use, dyes and rinses can be added to different reagent storage boxes 3 respectively to meet the subsequent biological staining needs, and then the slide is placed on the rubber head 13 of the movable cylinder 12. After the slide is adsorbed and positioned, the motor 9 controls the mounting shaft 8 to drive the mounting disk 2 to rotate, so that the slide is moved and moved to the bottom of multiple reagent storage boxes 3 in turn. The control valve 5 controls the switch of the drip head 4 to stain or clean the sample, and the stained sample is dried by the drying mechanism 10 and then sent out. Embodiment 2;

[0019] On the basis of the first embodiment, the adsorption mechanism is disclosed, including an adsorption chamber 14, a piston 15, a first spring 16 control rope 17, a driving block 18, a control seat 19 and a positioning mechanism, wherein the adsorption chamber 14 is opened inside the movable cylinder 12, the piston 15 is arranged inside the adsorption chamber 14 and between the adsorption chamber 14 to form an up-and-down sliding structure, the first spring 16 is arranged below the piston 15 to provide an upward thrust for the piston 15, the control rope 17 is fixed below the piston 15 to control the movement of the piston 15, the driving block 18 is arranged outside the movable cylinder 12 and between the movable cylinder 12 to form an up-and-down sliding structure, and the driving block 19 is arranged between the outer side of the movable cylinder 12 and ... inner side of the movable cylinder 12 and the movable cylinder 12 to form an up-and-down sliding structure, and the driving block 19 is arranged between the inner side of the movable cylinder 12 and the movable cylinder 12 to form an up-and-down sliding structure, and the driving block 19 is arranged between the inner side of the movable cylinder 12 and the movable cylinder 12 to form an up-and-down sliding structure, and the driving block 19 is arranged 8 is fixedly connected to the control rope 17, and the driving block 18 is located above the support seat 11. The control seat 19 is fixed to the lower end of the movable cylinder 12 to control the movement of the movable cylinder 12. The positioning mechanism is arranged on the outer side of the support seat 11 to limit the movable cylinder 12 that moves downward. The limiting mechanism includes a limiting block 31 and a third spring 32. The limiting block 31 is arranged on the outer side of the movable cylinder 12 and between the movable cylinder 12 to form a telescopic connection, and the front side of the limiting block 31 is designed with an inclined structure. The third spring 32 is fixed to the rear end of the limiting block 31 to provide thrust for it, and the movable cylinder 12 is clamped under the support seat 11 through the limiting block 31. When the glass slide is adsorbed and positioned by the adsorption mechanism, the control seat 19 can be pulled down to drive the movable cylinder 12 to move. When the movable cylinder 12 moves downward, the driving block 18 is stuck above the support seat 11. The driving block 18 pulls the piston 15 to move through the control rope 17, so that an adsorption force is generated in the adsorption chamber 14 to adsorb and position the glass slide. After moving to the bottom of the support seat 11, the limit block 31 will block the upward movement of the movable cylinder 12, so that the position of the movable cylinder 12 remains stable. Embodiment three:

[0020] On the basis of the first embodiment, the feeding auxiliary mechanism is disclosed, which includes a bracket 20, a connecting plate 21, a fixed block 22, a connecting shaft 23 and a rotation control mechanism. The bracket 20 is arranged above the movable cylinder 12, and the bracket 20 is arranged symmetrically about the center of the movable cylinder 12 to provide support for the slide. The connecting plate 21 is fixed to the outside of the bracket 20, the fixed block 22 is fixed to the front side of the main shell 1, and the connecting shaft 23 is fixed to the end of the connecting plate 21, and the connecting shaft 23 passes through the fixed block 22 and the fixed block 22 to form a rotation control mechanism. The rotation control mechanism is connected to the connecting shaft 23 to control the rotation of the connecting shaft 23. The rotation control mechanism includes a first gear 24, a second gear 25, a toothed plate 26, a second spring 27, a first magnet 28, a second magnet 29 and a linkage plate 30. The first gear 24 is fixed to the outside of the connecting shaft 23. The second gear 25 is arranged on the outside of the first gear 24 and meshed with the first gear 24, and the second gear 25 is rotated with the fixed block 22. The toothed plate 26 is arranged on the outside of the second gear 25. The second gear 25 and the second gear 25 form an up-and-down sliding structure, the second spring 27 is fixed above the tooth plate 26 to provide an upward pulling force for the tooth plate 26, the first magnet 28 is fixed below the tooth plate 26, the second magnet 29 is arranged below the first magnet 28 and attracts the first magnet 28, the linkage plate 30 is fixed below the second magnet 29, and the linkage plate 30 is fixed below the control seat 19, the third magnet 33 is fixed inside the limit block 31, the fourth magnet 34 is arranged on the front side of the main housing 1, and the fourth magnet 3 4 and the third magnet 33 are arranged with the same magnetic poles facing each other, and a support frame 35 is fixed on the outside of the fourth magnet 34, and the support frame 35 is connected to the main shell 1. The material unloading auxiliary mechanism includes a material receiving frame 36, a material pushing plate 37 and a telescope 38. The material receiving frame 36 is located at the front side of the movable cylinder 12, and the material receiving frame 36 is located above the support frame 35. The material pushing plate 37 is located above the material receiving frame 36. The telescope 38 is fixed to the rear end of the material pushing plate 37 to control the movement of the material pushing plate 37, and the telescope 38 is fixedly connected to the main shell 1; When loading, the glass slide can be placed above the bracket 20 so that it is located above the rubber head 13, and then the control seat 19 can be pulled down to drive the linkage plate 30 and the second magnet 29 to move. The second magnet 29 will pull the first magnet 28 and the toothed plate 26 downward by attracting the first magnet 28, so that it drives the second gear 25 to rotate. The second gear 25 drives the connecting shaft 23 to rotate by meshing with the first gear 24, so that it drives the bracket 20 to rotate, and the glass slide is lowered so that it falls on the rubber head 13 and is adsorbed. After the processing is completed, when the movable cylinder 12 moves to the fourth magnet 34, the fourth magnet 34 and the third magnet 33 repel each other, pushing the limit block 31 to move to release its limiting effect on the movable cylinder 12, so that the movable cylinder 12 moves upward, and the adsorption chamber 14 releases the adsorption effect. Then, the push plate 37 can be controlled by the telescopic device 38 to move to push the glass slide onto the receiving rack 36, and the subsequent movable cylinder 12 continues to move to the bottom of the bracket 20 to prepare for receiving materials.

[0021] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0022] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A medical examination microbial smear staining device, comprising a main housing (1), a mounting plate (2) and a reagent storage box (3), wherein the mounting plate (2) is arranged inside the main housing (1), and the reagent storage box (3) is arranged above the main housing (1); Features: A liquid drop control mechanism is arranged below the reagent storage box (3), and the reagent storage box (3) is arranged at an equal angle above the main shell (1) to provide dyeing and cleaning for the picture. A mounting shaft (8) is fixed in the middle of the mounting plate (2), and a rotation connection is formed between the mounting shaft (8) and the main shell (1), and a motor (9) is connected above the mounting shaft (8) to control the rotation of the mounting shaft (8). A support seat (11) is fixed inside the mounting plate (2), and the support seats (11) are distributed at equal angles inside the mounting plate (2). A drying mechanism (10) is arranged inside the main shell (1), and the mounting plate (2) drives the support seat (11) when rotating. Passing in sequence below the reagent storage box (3) and below the drying mechanism (10), the two groups of support seats (11) are located outside the main shell (1) to provide loading and unloading space for the glass slides. A movable cylinder (12) runs through the interior of the support seat (11), and a rubber head (13) is arranged above the movable cylinder (12). An adsorption mechanism is arranged inside the movable cylinder (12) to provide suction to the glass slide and limit its position. A loading auxiliary mechanism is arranged on the front side of the main shell (1) to guide the glass slide to the top of the rubber head (13). An unloading auxiliary mechanism is arranged on the right side of the loading auxiliary mechanism to deliver the stained glass slide from the rubber head (13).

2. The medical examination microbial smear staining device according to claim 1, characterized in that: The liquid dripping control mechanism comprises a liquid dripping head (4) and a control valve (5); A dripping head (4) is installed below the reagent storage box (3); The control valve (5) is installed inside the dripping head (4) to control the dripping of the dripping head (4).

3. The medical examination microbial smear staining device according to claim 1 or 2, characterized in that: A liquid collecting tank (6) is provided inside the main housing (1), and a liquid discharge port (7) is provided at the bottom of the liquid collecting tank (6) for discharging the dyeing liquid and the flushing liquid.

4. The medical examination microbial smear staining device according to claim 1, characterized in that: The adsorption mechanism comprises an adsorption chamber (14), a piston (15), a first spring (16), a control rope (17), a driving block (18), a control seat (19) and a positioning mechanism; An adsorption chamber (14) is provided inside the movable cylinder (12); A piston (15) is arranged inside the adsorption chamber (14) and between the adsorption chamber (14) to form an up-and-down sliding structure; A first spring (16) is arranged below the piston (15) to provide an upward thrust for the piston (15); A control rope (17) is fixed below the piston (15) to control the movement of the piston (15); A driving block (18) is arranged outside the movable cylinder (12) and between the movable cylinder (12) to form an up-and-down sliding structure, and the driving block (18) and the control rope (17) are fixedly connected, and the driving block (18) is located above the support seat (11); A control seat (19) is fixed to the lower end of the movable cylinder (12) to control the movement of the movable cylinder (12); A positioning mechanism is provided on the outer side of the support seat (11) to limit the position of the movable cylinder (12) that moves downward.

5. The medical examination microbial smear staining device according to claim 4, characterized in that: The limiting mechanism comprises a limiting block (31) and a third spring (32); A limit block (31) is arranged on the outer side of the movable cylinder (12) and forms a telescopic connection between the movable cylinder (12), and the front side of the limit block (31) is designed to be inclined; The third spring (32) is fixed to the rear end of the limit block (31) to provide a thrust therefor, and the movable cylinder (12) is clamped below the support seat (11) through the limit block (31).

6. The medical examination microbial smear staining device according to claim 4, characterized in that: The feeding auxiliary mechanism comprises a bracket (20), a connecting plate (21), a fixing block (22), a connecting shaft (23) and a rotation control mechanism; A bracket (20) is arranged above the movable cylinder (12), and the bracket (20) is arranged symmetrically with respect to the center of the movable cylinder (12) to provide support for the glass slide; A connecting plate (21) fixed to the outer side of the bracket (20); A fixing block (22) fixed to the front side of the main housing (1); A connecting shaft (23) is fixed to the end of the connecting plate (21), and the connecting shaft (23) passes through the fixing block (22) to form a rotational connection between the fixing blocks (22); The rotation control mechanism is connected to the connecting shaft (23) to control the rotation of the connecting shaft (23).

7. The medical examination microbial smear staining device according to claim 6, characterized in that: The rotation control mechanism comprises a first gear (24), a second gear (25), a toothed plate (26), a second spring (27), a first magnet (28), a second magnet (29) and a linkage plate (30); A first gear (24) is fixed on the outer side of the connecting shaft (23); A second gear (25) is arranged on the outside of the first gear (24) and is meshed with the first gear (24), and the second gear (25) is rotationally connected to the fixed block (22); A toothed plate (26) is arranged on the outer side of the second gear (25) and between the second gear (25) to form an up-and-down sliding structure; A second spring (27) is fixed above the tooth plate (26) to provide an upward pulling force for the tooth plate (26); A first magnet (28) is fixed below the tooth plate (26); A second magnet (29) is disposed below the first magnet (28) and is attracted to the first magnet (28); The linkage plate (30) is fixed below the second magnet (29), and the bottom of the linkage plate (30) is fixedly connected to the control seat (19).

8. The medical examination microbial smear staining device according to claim 5, characterized in that: A third magnet (33) is fixed inside the limit block (31), a fourth magnet (34) is arranged on the front side of the main housing (1), and the fourth magnet (34) and the third magnet (33) are arranged opposite to each other with the same magnetic poles, and a support frame (35) is fixed on the outside of the fourth magnet (34), and the support frame (35) is connected to the main housing (1).

9. The medical examination microbial smear staining device according to claim 8, characterized in that: The material unloading auxiliary mechanism comprises a material receiving frame (36), a material pushing plate (37) and a telescopic device (38); A material receiving frame (36) is located at the front side of the movable cylinder (12), and the material receiving frame (36) is located above the supporting frame (35); A material pusher plate (37) is located above the material receiving frame (36); The telescopic device (38) is fixed to the rear end of the push plate (37) to control the movement of the push plate (37), and the telescopic device (38) is fixedly connected to the main housing (1).

Images