Water quality microorganism detection device
By employing meshing transmission and compound motion design, the problems of uneven microbial distribution and forgetting to seal the culture dish are solved, achieving more efficient mixing and operational convenience, and improving the stability and safety of the water quality microbial detection device.
Patent Information
- Application Number
- CN202521866456.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-01
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-01
AI Technical Summary
In existing water quality microbial testing devices, microorganisms are unevenly distributed in the petri dish, affecting the detection effect and efficiency. At the same time, users may forget to seal the petri dish, leading to contamination and safety issues.
The meshing transmission between the bevel gear ring and the bevel gear disc drives the culture dish to rotate circumferentially and spin. Combined with the meshing transmission between the lateral bevel gear and the ring bevel gear frame and the linkage of the cam, the composite motion of the culture dish is realized, ensuring uniform distribution and mixing of microorganisms. The design of the top cover and auxiliary baffle prevents the culture dish from being forgotten to be sealed.
It improves the mixing degree of microorganisms in the culture medium, enhances the stability and safety of the device, avoids splashing of the culture medium, and improves detection efficiency and ease of operation.
Smart Images

Figure CN224678040U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of water quality microbial detection devices, and particularly relates to a water quality microbial detection device. Background Technology
[0002] Aquatic microorganisms are various microbial communities present in water bodies. Their source, distribution, and ecological functions directly affect water quality safety and human health, necessitating the detection and analysis of microorganisms. Current water quality microbial detection processes require the cultivation of microorganisms. Existing water quality microbial detection devices suffer from uneven distribution of microorganisms in the culture dish, affecting detection results and efficiency. Furthermore, since microbial inspection procedures are often complex, and the culture dish is often inside the device, users may forget to seal the culture dish, leading to splashing of the microbial culture solution, which can contaminate the entire device and affect its overall safety and stability. Utility Model Content
[0003] This invention addresses the problems of uneven distribution of aquatic microorganisms in petri dishes and users forgetting to seal the petri dishes in existing technologies, and proposes the following technical solution: A water quality microbial detection device includes a protective shell, a motor fixedly connected to the bottom end of the protective shell, a main shaft fixedly connected to the output end of the motor through the protective shell, a limit frame fixedly connected to the outer surface of the main shaft, a mixing component provided on the inner end of the limit frame, a bevel gear ring fixedly connected to the inner surface of the protective shell, and an annular bevel gear frame and an annular guide rail fixedly connected to the bottom inner end of the protective shell, with the outer surface of the annular bevel gear frame fitting against the inner surface of the annular guide rail.
[0004] As a preferred embodiment of the above technical solution, the mixing component includes a bevel gear disk rotatably connected to the inner surface of the limiting frame. The outer surface of the bevel gear disk meshes with the inner surface of the bevel gear ring. An annular frame is slidably connected to the inner surface of the bevel gear disk. A limiting spring rod is fixedly connected to the inner surface of the annular frame. A flexible push plate is fixedly connected to the output end of the limiting spring rod. A culture dish is abutted at the end of the flexible push plate away from the limiting spring rod. The bottom end of the culture dish abuts against the inner upper end of the annular frame.
[0005] As a preferred embodiment of the above technical solution, a guide post is fixedly connected to the bottom end of the annular frame, the outer surface of the guide post is slidably connected to the inner surface of the bevel gear disk, an annular baffle is fixedly connected to the bottom end of the guide post, a reset spring rod is fixedly connected to the bottom end of the annular frame, and a disc frame is fixedly connected to the other end of the reset spring rod, the outer surface of the disc frame is movably connected to the inner surface of the annular guide rail.
[0006] As a preferred embodiment of the above technical solution, a side column is rotatably connected to the bottom outer surface of the main shaft, and a lateral bevel gear is fixedly connected to one end of the side column away from the main shaft. The outer surface of the lateral bevel gear meshes with the top end of the annular bevel gear frame. A cam is fixedly connected to the outer surface of the side column, and the outer surface of the cam abuts against the bottom end of the annular baffle.
[0007] As a preferred embodiment of the above technical solution, the bottom end of the protective shell is fixedly connected to a support frame, the inner surface of the main shaft is slidably connected to a cross-shaped locking post, the upper end of the cross-shaped locking post is fixedly connected to a top cover, the inner surface of the top cover is rotatably connected to an auxiliary baffle, and both the top cover and the auxiliary baffle are provided with dropper grooves.
[0008] As a preferred embodiment of the above technical solution, an auxiliary roller is fixedly connected to the bottom edge of the auxiliary baffle, the outer surface of the auxiliary roller abuts against the inner wall of the protective shell, a rectangular spring rod is fixedly connected to the bottom of the auxiliary baffle, a protective cover is fixedly connected to the other end of the rectangular spring rod, and an auxiliary handle is fixedly connected to the outer surface of the auxiliary baffle.
[0009] The beneficial effects of this utility model are as follows: Through the meshing transmission between the bevel gear ring and the bevel gear disc, the motor is started, which can drive the petri dish to perform a compound motion of circumferential rotation and spin, so as to evenly distribute and diffuse the aquatic microorganisms into the culture medium in the petri dish, thereby improving the mixing degree and mixing effect of the aquatic microorganisms and the culture medium in the petri dish. Through the meshing transmission between the lateral bevel gear and the ring bevel gear frame and the linkage of the cam, the petri dish can be driven to oscillate up and down when it moves in a compound motion, further improving the mixing effect of the aquatic microorganisms. By aligning the dropper grooves on the top cover and the auxiliary baffle, the auxiliary baffle can be opened and closed by turning the auxiliary handle, thereby improving overall stability and reliability. At the same time, when the auxiliary handle is pulled to rotate the auxiliary baffle, the protective cover can be simultaneously moved to limit the top of the culture dish, preventing users from forgetting to seal the top of the culture dish during operation, thus improving overall practicality and convenience. Attached Figure Description
[0010] Figure 1 The image shown is a three-dimensional view of a water quality microbial detection device; Figure 2 The diagram shown is an exploded view of a water quality microbial detection device; Figure 3 This is an exploded view of a water quality microbial detection device from another perspective; Figure 4 The diagram shown is a schematic of some parts of a water quality microbial detection device; Figure 5 The diagram shown is an exploded view of the hybrid components; Figure 6 This is an exploded view of the hybrid component from another perspective.
[0011] In the diagram: 1. Protective casing; 2. Motor; 3. Main shaft; 4. Limiting frame; 5. Mixing assembly; 501. Bevel gear disc; 502. Ring frame; 503. Limiting spring rod; 504. Flexible push plate; 505. Petri dish; 506. Guide column; 507. Ring baffle; 508. Reset spring rod; 509. Disc frame; 510. Side column; 511. Lateral bevel gear; 512. Cam; 6. Bevel gear ring; 7. Ring bevel gear frame; 8. Ring guide rail; 9. Support base frame; 10. Cross-shaped locking post; 11. Top cover; 12. Auxiliary baffle; 13. Dropper groove; 14. Auxiliary roller; 15. Rectangular spring rod; 16. Protective cover; 17. Auxiliary handle. Detailed Implementation
[0012] To make the objectives, technical solutions, and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.
[0013] Example 1 This invention provides a water quality microbial detection device, such as... Figures 1 to 6As shown, the device includes a protective outer shell 1. A heating rod is installed inside the protective shell 1 to control the internal temperature. Several ultraviolet lamps are evenly arranged on the inner side of the protective shell 1 for disinfection, improving overall safety and practicality. A motor 2 is fixedly connected to the bottom of the protective shell 1. The output end of the motor 2 passes through the protective shell 1 and is fixedly connected to a main shaft 3. A limit frame 4 is fixedly connected to the outer surface of the main shaft 3. A mixing component 5 is provided on the inner end of the limit frame 4. A bevel gear ring 6 is fixedly connected to the inner surface of the protective shell 1. The bottom of the inner side of the protective shell 1 is fixedly... The device is fixedly connected to an annular bevel gear frame 7 and an annular guide rail 8. The outer surface of the annular bevel gear frame 7 is in contact with the inner surface of the annular guide rail 8. A support base frame 9 is fixedly connected to the bottom end of the protective shell 1. A cross-shaped locking post 10 is slidably connected to the inner surface of the main shaft 3. A top cover 11 is fixedly connected to the upper end of the cross-shaped locking post 10, which facilitates opening the top of the device for easy access and replacement of the culture dish 505. Rubber friction textures are provided on the contact surfaces of the cross-shaped locking post 10 and the top cover 11, which facilitates height adjustment of different droppers, improving the overall practicality and stability. The inner surface of the top cover 11 is rotatably connected to... A dropper groove 13 is provided on both the auxiliary baffle 12 and the top cover 11. An auxiliary roller 14 is fixedly connected to the bottom edge of the auxiliary baffle 12. The outer surface of the auxiliary roller 14 abuts against the inner wall of the protective shell 1. A rectangular spring rod 15 is fixedly connected to the bottom of the auxiliary baffle 12. A protective cover 16 is fixedly connected to the other end of the rectangular spring rod 15. When the protective cover 16 is adjusted to be above the culture dish 505, the rectangular spring rod 15 can ensure that the protective cover 16 is tightly fitted to the culture dish 505. An auxiliary handle 17 is fixedly connected to the outer surface of the auxiliary baffle 12. A limit block is provided to limit the travel of the auxiliary handle 17. By aligning the opening positions of the dropper groove 13 on the top cover 11 and the auxiliary baffle 12, the auxiliary baffle 12 can be driven to close and open the top cover 11 when the auxiliary handle 17 is turned, thereby improving the overall stability and reliability. At the same time, when the auxiliary handle 17 is pulled to rotate the auxiliary baffle 12, the protective cover 16 can be driven to limit the top of the culture dish 505, preventing the user from forgetting to seal and protect the top of the culture dish 505 during operation, thereby improving the overall practicality and convenience.
[0014] like Figures 1 to 6As shown, the mixing assembly 5 includes a conical toothed disk 501 rotatably connected to the inner surface of the limiting frame 4. The outer surface of the conical toothed disk 501 meshes with the inner surface of the conical toothed ring 6. An annular frame 502 is slidably connected to the inner surface of the conical toothed disk 501. A limiting spring rod 503 is fixedly connected to the inner surface of the annular frame 502. A flexible push plate 504 is fixedly connected to the output end of the limiting spring rod 503. The upper part of the flexible push plate 504 is provided with an inclined surface to facilitate the installation and positioning of the petri dish 505, thereby improving the overall practicality and convenience. A petri dish 505 is abutted against one end of the flexible push plate 504 away from the limiting spring rod 503. The bottom end of the petri dish 505 abuts against the upper inner end of the ring frame 502. A guide post 506 is fixedly connected to the bottom end of the ring frame 502. The outer surface of the guide post 506 is slidably connected to the inner surface of the conical toothed disk 501. An annular baffle 507 is fixedly connected to the bottom end of the guide post 506. A reset spring rod 508 is fixedly connected to the bottom end of the ring frame 502. A disc frame 50 is fixedly connected to the other end of the reset spring rod 508. 9. The outer surface of the disc frame 509 is movably connected to the inner surface of the annular guide rail 8. A side column 510 is rotatably connected to the bottom outer surface of the main shaft 3. A lateral bevel gear 511 is fixedly connected to one end of the side column 510 away from the main shaft 3. The outer surface of the lateral bevel gear 511 meshes with the top of the annular bevel gear frame 7. A cam 512 is fixedly connected to the outer surface of the side column 510. The outer surface of the cam 512 abuts against the bottom end of the annular baffle 507. The drive is activated through the meshing of the bevel gear ring 6 and the bevel gear disc 501. The electric motor 2 can drive the culture dish 505 to perform a combined circumferential rotation and spin motion, which drives the aquatic microorganisms to be evenly distributed and diffused into the culture medium in the culture dish 505, thereby improving the mixing degree and mixing effect of the aquatic microorganisms and the culture medium in the culture dish 505. Through the meshing transmission of the lateral bevel gear 511 and the ring bevel gear frame 7 and the linkage of the cams 512 and 517, the culture dish 505 can be driven to oscillate up and down when it moves in a combined manner, further improving the mixing effect of the aquatic microorganisms.
[0015] Working principle: In use, the top cover 11 and auxiliary baffle 12 are pulled up and adjusted to a suitable height using the auxiliary roller 14. Pulling the auxiliary roller 14 aligns the dropper groove 13 on the top cover 11 and auxiliary baffle 12. The culture dish 505 is placed in the baffle, and the dropper is inserted into the dropper groove 13 to dispense liquid into the culture dish 505. The dropper is then removed, and the auxiliary roller 14 is pulled to separate the dropper groove 13 from the top cover 11 and auxiliary baffle 12. Simultaneously, the protective cover 16 moves above the culture dish 505. The auxiliary roller 14 then moves the top cover 11 down to abut against the protective outer shell 1, sealing the device. The protective cover 16 completely seals the culture dish 505. Limiting the position improves overall reliability. Starting the motor 2, through the meshing transmission between the bevel gear ring 6 and the bevel gear disc 501, the culture dish 505 can be driven to perform a compound motion of circumferential rotation and spin, which drives the aquatic microorganisms to be evenly distributed and diffused into the culture medium in the culture dish 505, thereby improving the mixing degree and mixing effect of the aquatic microorganisms and the culture medium in the culture dish 505. Through the meshing transmission between the lateral bevel gear 511 and the ring bevel gear frame 7 and the linkage action of the cams 512 and 517, the culture dish 505 can be driven to oscillate up and down when it moves in a compound motion, further improving the mixing effect of the aquatic microorganisms and completing the mixed culture of the aquatic microorganisms.
[0016] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.
Claims
1. A water quality microbial detection device, characterized in that, The device includes a protective housing (1), a motor (2) is fixedly connected to the bottom end of the protective housing (1), a main shaft (3) is fixedly connected to the output end of the motor (2) through the protective housing (1), a limit frame (4) is fixedly connected to the outer surface of the main shaft (3), a mixing component (5) is provided on the inner end of the limit frame (4), a bevel gear ring (6) is fixedly connected to the inner surface of the protective housing (1), an annular bevel gear frame (7) and an annular guide rail (8) are fixedly connected to the bottom inside the protective housing (1), and the outer surface of the annular bevel gear frame (7) is in contact with the inner surface of the annular guide rail (8).
2. The water quality microbial detection device according to claim 1, characterized in that, The mixing component (5) includes a beveled disk (501) rotatably connected to the inner surface of the limiting frame (4). The outer surface of the beveled disk (501) meshes with the inner surface of the beveled ring (6). An annular frame (502) is slidably connected to the inner surface of the beveled disk (501). A limiting spring rod (503) is fixedly connected to the inner surface of the annular frame (502). A flexible push plate (504) is fixedly connected to the output end of the limiting spring rod (503). A petri dish (505) abuts against the end of the flexible push plate (504) away from the limiting spring rod (503). The bottom end of the petri dish (505) abuts against the inner upper end of the annular frame (502).
3. The water quality microbial detection device according to claim 2, characterized in that, The bottom end of the ring frame (502) is fixedly connected to a guide post (506). The outer surface of the guide post (506) is slidably connected to the inner surface of the bevel gear disk (501). The bottom end of the guide post (506) is fixedly connected to an annular baffle (507). The bottom end of the ring frame (502) is fixedly connected to a reset spring rod (508). The other end of the reset spring rod (508) is fixedly connected to a disc frame (509). The outer surface of the disc frame (509) is movably connected to the inner surface of the annular guide rail (8).
4. The water quality microbial detection device according to claim 3, characterized in that, A side column (510) is rotatably connected to the bottom outer surface of the main shaft (3). A lateral bevel gear (511) is fixedly connected to one end of the side column (510) away from the main shaft (3). The outer surface of the lateral bevel gear (511) meshes with the top end of the annular bevel gear frame (7). A cam (512) is fixedly connected to the outer surface of the side column (510). The outer surface of the cam (512) abuts against the bottom end of the annular baffle (507).
5. The water quality microbial detection device according to claim 1, characterized in that, The bottom end of the protective shell (1) is fixedly connected to a support base (9), the inner surface of the main shaft (3) is slidably connected to a cross-shaped locking post (10), the upper end of the cross-shaped locking post (10) is fixedly connected to a top cover (11), the inner surface of the top cover (11) is rotatably connected to an auxiliary baffle (12), and both the top cover (11) and the auxiliary baffle (12) are provided with dropper grooves (13).
6. The water quality microbial detection device according to claim 5, characterized in that, An auxiliary roller (14) is fixedly connected to the bottom edge of the auxiliary baffle (12). The outer surface of the auxiliary roller (14) abuts against the inner wall of the protective shell (1). A rectangular spring rod (15) is fixedly connected to the bottom end of the auxiliary baffle (12). A protective cover (16) is fixedly connected to the other end of the rectangular spring rod (15). An auxiliary handle (17) is fixedly connected to the outer surface of the auxiliary baffle (12).