Microbiological detection split-flow sampling device
Through the design of the trigger unit and the electronically controlled valve, the automatic control of the microbial sampling device is realized, which solves the problem of low manual operation efficiency in the prior art and improves the sampling efficiency and accuracy.
Patent Information
- Application Number
- CN202422357556.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-09-26
AI Technical Summary
Existing microbial sampling equipment relies on manual operation and is inefficient, especially when multiple sampling test tubes need to be controlled simultaneously, the operation is cumbersome and time-consuming.
The design of the trigger unit and the electronically controlled valve is adopted to realize automatic control. Through the coordination of the trigger unit and the electronically controlled valve, the sampling process is automatically completed without human operation.
It greatly improves sampling efficiency, reduces manual operation requirements, ensures accurate delivery of fluid to each sampling test tube, and improves the convenience and reliability of the sampling process.
Smart Images

Figure CN223292538U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of microbial sampling, and particularly relates to a microbial detection shunt sampling device. Background Art
[0002] Sampling is a crucial step in a variety of fields, including environmental monitoring, chemical production, and biomedicine. It involves collecting samples of substances from a specific environment for further analysis and research. However, existing sampling equipment generally has several limitations.
[0003] Most sampling processes still rely on manual labor, requiring workers to manually operate equipment for sampling, which is not only labor-intensive but also inefficient. When multiple collection tubes are required for continuous or parallel sampling, workers need to repeat the operation, further increasing the workload and reducing work efficiency.
[0004] A patent document discloses a microbial detection sampling device. Although it solves the problems of low sampling efficiency and small sampling range, it still requires manual closing of the regulating valve and still relies on manual operation. Especially when multiple sampling tubes need to be controlled simultaneously, the process may become cumbersome and time-consuming.
[0005] Therefore, it is necessary to design a microbial detection diversion sampling device to solve the above technical problems. Summary of the Invention
[0006] In order to solve the above technical problems, the utility model proposes a microbial detection diversion sampling device, which adopts the design of a trigger unit and an electric control valve to realize the automation of the sampling process.
[0007] The technical solution of the utility model is:
[0008] The utility model provides a microbial detection diversion sampling device, comprising:
[0009] A plug-in rack is provided with a plurality of equally spaced delivery pipes, and the bottom of each delivery pipe is connected to a delivery nozzle;
[0010] A water storage tank is located above the plug-in rack, and the bottom of the water storage tank is connected to the delivery pipeline;
[0011] A water pump, wherein the water pump outlet is connected to the top of the water storage tank, and the water pump inlet is used to pump water from an external water source into the water storage tank;
[0012] an electrically controlled valve, the electrically controlled valve being in communication with the outer wall of the delivery pipeline;
[0013] A fixing frame, the fixing frame is plugged into the plug-in frame, and the fixing frame is sleeved with the sampling test tube;
[0014] Trigger unit, there are several trigger units, several of which are arranged on the fixed frame, the trigger unit is used to support the sampling test tube, and the trigger unit corresponds to the electric-controlled valve one by one, the trigger unit cooperates with the electric-controlled valve, and the trigger unit is used to control the operation of the electric-controlled valve.
[0015] Preferably, the fixing frame is provided with a first fixing plate and a second fixing plate, the first fixing plate is connected to the sampling test tube, a plurality of sampling test tubes are provided, the sampling test tubes correspond one-to-one to the delivery nozzle, the sampling test tubes are located below the delivery nozzle, and the second fixing plate is provided with a plurality of limiting sleeves arranged at equal intervals, the limiting sleeves correspond one-to-one to the sampling test tubes, and the limiting sleeves are adapted to the outer wall of the sampling test tube.
[0016] Preferably, the trigger unit corresponds one-to-one to the limit sleeve, and the trigger unit includes a sliding circular plate, a spring, and a trigger switch. The sliding circular plate is slidably connected to the limit sleeve, and the trigger switch is located on the inner bottom wall of the limit sleeve. The two ends of the spring are respectively connected to the sliding circular plate and the inner bottom wall of the limit sleeve. A pressing block is provided on the bottom wall of the sliding circular plate, and the pressing block is located directly below the trigger switch. The pressing block and the trigger switch are located on the inner side of the spring. The trigger switch corresponds one-to-one to the electric-controlled valve, and the trigger switch is electrically connected to the electric-controlled valve.
[0017] Preferably, the four corners of the bottom of the plug-in rack are provided with plug-in boards, the bottom of the plug-in board is provided with plug-in slots, the four corners of the top of the first fixed plate are provided with plug-in blocks, the plug-in slots correspond to the plug-in blocks one by one, and the plug-in slots are plugged into the plug-in blocks.
[0018] Preferably, a test tube cover is hingedly connected to the outer wall of the sampling test tube, and the test tube cover is used to cover the top of the sampling test tube.
[0019] Compared with the prior art, the present invention has the following advantages and effects:
[0020] (1) The design of trigger unit and electric control valve realizes the automation of sampling process. When the sampling tube is placed in the limit sleeve, the delivery nozzle delivers fluid to the sampling tube, so that the sliding circular plate is pushed, the compression spring is compressed, the pressing block contacts the trigger switch, and the trigger switch controls the electric control valve to close, completing the sampling of the sampling tube. There is no need to manually close the electric control valve, which greatly improves the sampling efficiency and reduces the need for manual operation. Especially when multiple sampling tubes need to be controlled at the same time, it saves a lot of time and labor.
[0021] (2) The sampling tubes and delivery nozzles correspond one to one, ensuring that the fluid can be directly delivered to each sampling tube, improving the accuracy of sampling. The hinged tube cover on the outer wall of the sampling tube is convenient for covering the sampling tube;
[0022] (3) The water storage tank is designed to be located above the plug-in rack and is used to store the fluid to be sampled. Water is pumped from an external water source to the water storage tank through a water pump, ensuring the stability of the fluid during transportation. At the same time, the electric control valve is connected to the delivery pipeline, and the electric valve is used to control the flow of the fluid, further improving the convenience and reliability of sampling;
[0023] (4) Plug-in boards are provided at the four corners of the bottom of the plug-in frame, and plug-in slots are provided at the bottom of the plug-in boards. Plug-in blocks are provided at the four corners of the top of the first fixed plate. The plug-in slots correspond to the plug-in blocks one by one, and the plug-in slots and the plug-in blocks are plugged in. This makes the assembly and disassembly of the device quick and easy, and also facilitates cleaning and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;
[0025] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;
[0026] Figure 3 for Figure 2 A local enlarged schematic diagram;
[0027] Figure 4 It is a structural schematic diagram of the fixing frame of the present utility model.
[0028] Figure numerals: 1. Plug-in rack; 11. Delivery pipe; 110. Delivery nozzle; 10. Water storage tank; 100. Water pump; 12. Electric control valve; 2. Fixed rack; 20. First fixed plate; 21. Second fixed plate; 22. Limit sleeve; 3. Sampling test tube; 4. Sliding circular plate; 40. Spring; 41. Trigger switch; 400. Pressing block; 13. Plug-in plate; 200. Plug-in block; 30. Test tube cover. DETAILED DESCRIPTION
[0029] In order to enable those skilled in the art to better understand the present invention, the present invention will be further described in conjunction with specific implementation methods.
[0030] Example 1:
[0031] like Figures 1 to 4 As shown, the utility model provides a microbial detection diversion sampling device, comprising:
[0032] The plug-in frame 1 is provided with a plurality of equally spaced delivery pipes 11, and the bottom of each delivery pipe 11 is connected to a delivery nozzle 110;
[0033] The water storage tank 10 is located above the plug-in rack 1, and the bottom of the water storage tank 10 is connected to the delivery pipe 11;
[0034] A water pump 100, wherein the water outlet of the water pump 100 is connected to the top of the water storage tank 10, and the water inlet of the water pump 100 is used to pump water from an external water source into the water storage tank 10;
[0035] The electrically controlled valve 12 is connected to the outer wall of the delivery pipe 11;
[0036] The fixing frame 2 is plugged into the plug-in frame 1, and the fixing frame 2 is sleeved with the sampling test tube 3;
[0037] Trigger unit, there are several trigger units, and several trigger units are set on the fixed frame 2. The trigger unit is used to support the sampling test tube 3, and the trigger unit corresponds to the electric control valve 12 one by one. The trigger unit cooperates with the electric control valve 12, and the trigger unit is used to control the operation of the electric control valve 12.
[0038] A first fixing plate 20 and a second fixing plate 21 are provided on the fixing frame 2. The first fixing plate 20 is sleeved with the sampling test tube 3. Several sampling test tubes 3 are provided. The sampling test tubes 3 correspond one-to-one to the delivery nozzles 110. The sampling test tubes 3 are located below the delivery nozzle 110. Several equally spaced limiting sleeves 22 are provided on the second fixing plate 21. The limiting sleeves 22 correspond one-to-one to the sampling test tubes 3, and the limiting sleeves 22 are adapted to the outer walls of the sampling test tubes 3.
[0039] The trigger unit corresponds one-to-one to the limit sleeve 22. The trigger unit includes a sliding circular plate 4, a spring 40, and a trigger switch 41. The sliding circular plate 4 is slidably connected to the limit sleeve 22. The trigger switch 41 is located on the inner bottom wall of the limit sleeve 22. The two ends of the spring 40 are respectively connected to the sliding circular plate 4 and the inner bottom wall of the limit sleeve 22. A pressing block 400 is provided on the bottom wall of the sliding circular plate 4. The pressing block 400 is located directly below the trigger switch 41. The pressing block 400 and the trigger switch 41 are located on the inner side of the spring 40. The trigger switch 41 corresponds one-to-one to the electric-controlled valve 12, and the trigger switch 41 is electrically connected to the electric-controlled valve 12.
[0040] The four corners at the bottom of the plug-in frame 1 are provided with plug-in boards 13 , and the bottom of the plug-in boards 13 is provided with plug-in slots. The four corners at the top of the first fixed plate 20 are provided with plug-in blocks 200 . The plug-in slots correspond to the plug-in blocks 200 one by one, and the plug-in slots and the plug-in blocks 200 are plugged in.
[0041] A test tube cover 30 is hinged on the outer wall of the sampling test tube 3 , and the test tube cover 30 is used to cover the top of the sampling test tube 3 .
[0042] Working principle:
[0043] Fluid storage and delivery: The water storage tank 10 is located above the plug-in rack 1 and is used to store the fluid to be sampled. The water pump 100 pumps water from an external water source to the water storage tank 10 and delivers the fluid to the sampling test tube 3 through the delivery pipe 11. The delivery nozzle 110 on the delivery pipe 11 corresponds to the sampling test tube 3 one by one, ensuring that the fluid can be directly delivered to each sampling test tube 3;
[0044] The electric-controlled valve 12 is connected to the delivery pipe 11 and is used to control the flow of fluid. Each electric-controlled valve 12 corresponds to a trigger unit. The trigger unit includes a sliding circular plate 4, a spring 40 and a trigger switch 41, which is used to control the opening and closing of the electric-controlled valve 12. When the sampling tube 3 is placed in the limit sleeve 22, the delivery nozzle 110 delivers fluid into the sampling tube 3, so that the sliding circular plate 4 is pushed, the compression spring 40 is compressed, and the pressing fastener contacts the trigger switch 41. The trigger switch 74 controls the electric-controlled valve 12 to close, completing the sampling of the sampling tube 3 without manually closing the electric-controlled valve 12.
[0045] The above are only preferred embodiments of the present invention and are not intended to limit the patent scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should still fall within the scope of the present invention.
Claims
1. A microbial detection diversion sampling device, characterized in that: include: A plug-in rack (1), wherein the plug-in rack (1) is provided with a plurality of equally spaced delivery pipes (11), and the bottom of each delivery pipe (11) is connected to a delivery nozzle (110); A water storage tank (10), the water storage tank (10) is located above the plug-in rack (1), and the bottom of the water storage tank (10) is connected to the delivery pipe (11); A water pump (100), wherein the water outlet of the water pump (100) is connected to the top of the water storage tank (10), and the water inlet of the water pump (100) is used to pump water from an external water source into the water storage tank (10); an electrically controlled valve (12), the electrically controlled valve (12) being in communication with the outer wall of the delivery pipe (11); A fixing frame (2), the fixing frame (2) is plugged into the plug-in frame (1), and the fixing frame (2) is sleeved with the sampling test tube (3); A trigger unit, wherein a plurality of the trigger units are provided, and the plurality of the trigger units are provided on the fixing frame (2). The trigger unit is used to support the sampling test tube (3), and the trigger unit corresponds to the electric-controlled valve (12) one by one. The trigger unit cooperates with the electric-controlled valve (12), and the trigger unit is used to control the operation of the electric-controlled valve (12).
2. A microbial detection diversion sampling device according to claim 1, characterized in that: The fixing frame (2) is provided with a first fixing plate (20) and a second fixing plate (21), the first fixing plate (20) is sleeved with the sampling test tube (3), a plurality of sampling test tubes (3) are provided, the sampling test tubes (3) correspond one-to-one with the delivery nozzle (110), and the sampling test tubes (3) are located below the delivery nozzle (110), and the second fixing plate (21) is provided with a plurality of limiting sleeves (22) arranged at equal intervals, the limiting sleeves (22) correspond one-to-one with the sampling test tubes (3), and the limiting sleeves (22) are adapted to the outer wall of the sampling test tube (3).
3. A microbial detection and sampling device according to claim 2, characterized in that: The trigger unit corresponds to the limit sleeve (22) one by one, and the trigger unit includes a sliding circular plate (4), a spring (40), and a trigger switch (41). The sliding circular plate (4) is slidably connected to the limit sleeve (22), and the trigger switch (41) is located on the inner bottom wall of the limit sleeve (22). The two ends of the spring (40) are respectively connected to the sliding circular plate (4) and the inner bottom wall of the limit sleeve (22). A pressing block (400) is provided on the bottom wall of the sliding circular plate (4), and the pressing block (400) is located directly below the trigger switch (41). The pressing block (400) and the trigger switch (41) are located on the inner side of the spring (40). The trigger switch (41) corresponds to the electric control valve (12) one by one, and the trigger switch (41) is electrically connected to the electric control valve (12).
4. A microbial detection and sampling device according to claim 3, characterized in that: The four corners of the bottom of the plug-in frame (1) are provided with plug-in plates (13), the bottom of the plug-in plates (13) is provided with plug-in slots, the four corners of the top of the first fixed plate (20) are provided with plug-in blocks (200), the plug-in slots correspond to the plug-in blocks (200) one by one, and the plug-in slots are plugged into the plug-in blocks (200).
5. A microbial detection and sampling device according to claim 1, characterized in that: A test tube cover (30) is hingedly connected to the outer wall of the sampling test tube (3), and the test tube cover (30) is used to cover the top of the sampling test tube (3).