Hospital sewage sampling and detecting device
By improving the structure of the hospital wastewater sampling and testing device and utilizing the combination of guide columns and limiting plates, a stable one-handed grip can be achieved, solving the problem of easy slippage during one-handed operation and ensuring the stability and safety of the device.
Patent Information
- Application Number
- CN202520040104.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Existing hospital wastewater sampling and testing devices are prone to slipping and falling when operated with one hand due to a loose grip on the handle, affecting normal use.
A device comprising a cup lid, cup body, handle, hose, dropper, air bladder, and auxiliary components was designed. Through the cooperation of guide posts and limiting plates, it enables a continuous and stable grip with one hand. The air bladder is moved and squeezed by pressing the guide post to move the guide connecting rod to collect samples, thus preventing slippage.
This design enables stable handholding of the device during single-handed operation, reducing the risk of dropping it and ensuring its normal use.
Smart Images

Figure CN223769837U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wastewater sampling technology, specifically a hospital wastewater sampling and testing device. Background Technology
[0002] Chinese patent document CN218847727U discloses a hospital wastewater sampling and testing device, belonging to the category of sampling instruments. It includes a cup lid, a cup body, and a cup base. A handle is provided on the side wall of the cup lid, and the cup lid is fixedly connected to the cup base via the handle. The cup lid covers the cup body, and the cup body is fastened inside the cup base. An air bladder is provided on the handle, which is hollow. The air bladder is connected to the inside of the cup lid via the handle. A wastewater pipe is also provided on the cup lid, connecting to the inside of the cup lid. This invention features an air bladder at the handle, allowing sampling by pressing the air bladder while holding the handle, avoiding two-handed operation and freeing up the other hand to use a dropper to collect water for close observation. The entire process involves holding the cup body for sampling, preventing the wastewater pipe from pulling and causing the cup body to tip over.
[0003] However, in the above-mentioned solutions and existing technologies, the hospital sewage sampling and testing device requires one hand to hold the handle when repeatedly pressing the air bladder to draw sewage samples and using the dropper to take out the water for close observation. When pressing the air bladder with one hand to collect sewage samples, there is a process of tightening and loosening the grip. When the air bladder is loosened with one hand, the device handle is unstable and the device is easy to slip out of the hand and fall, affecting the normal use of the device.
[0004] Therefore, this utility model proposes a hospital sewage sampling and testing device to solve the above problems. Utility Model Content
[0005] The purpose of this invention is to provide a hospital wastewater sampling and testing device to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: A hospital wastewater sampling and testing device includes:
[0007] A cup lid, which is threadedly connected to a cup body, has a flexible tube connected to it, and a dropper inserted into it.
[0008] The handle has one end fixedly connected to the cup lid and the other end fixedly connected to a collar, which is fitted onto the cup body. The handle is equipped with a sampling component and an auxiliary component.
[0009] Preferably, the side wall of the fixed box in the sampling assembly is fixedly connected to the cup lid and the collar. One side of the fixed box is open. A connecting tube is connected to the side wall of the cup lid. The other end of the connecting tube extends into the fixed box and is connected to the airbag. The airbag is snapped into the fixed box. A straight groove is provided on the inner side wall of the handle.
[0010] Preferably, a sliding groove is provided on the side wall of the straight groove, a connecting rod is movably engaged in the straight groove, and a pressing plate is fixedly provided at the other end of the connecting rod. The pressing plate is inserted into the fixed box and engaged with the airbag.
[0011] Preferably, a slider is fixedly provided on the side wall of the connecting rod, the slider is movably engaged in the groove, and the inclined block is fixedly provided on the side wall of the connecting rod.
[0012] Preferably, the fixing block in the auxiliary component is fixedly installed on the inner wall of the straight groove, and a guide post is movably installed on the fixing block. The guide post passes through the upper end of the handle, and a step block is fixedly installed at the other end of the guide post. The inclined surface of the step block is engaged with the inclined surface of the inclined block.
[0013] Preferably, the guide post is fixedly sleeved with a limiting plate, the limiting plate is movably engaged in the straight groove, and the spring is sleeved on the guide post, with both ends of the spring being engaged with the limiting plate and the fixing block respectively.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] By holding the handle firmly with one hand and pressing down on the guide post to move it downwards, the limiting plate compresses the spring, causing the inclined plane of the ladder block to move along the inclined plane of the ladder block. This pushes the connecting rod towards the fixed box, causing the compression plate to compress the airbag. Afterwards, the guide post is released to allow the airbag to recover. Wastewater sampling is performed during the airbag compression and recovery process. This allows the device to be held in a stable handheld position when operated with one hand, reducing the risk of the device slipping out of the hand and falling, and ensuring the normal use of the device. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This utility model Figure 1 A magnified view of a portion of the image;
[0018] Figure 3 This is a schematic diagram of the fixing box structure of this utility model;
[0019] Figure 4 This is a half-sectional view of the handle structure of this utility model.
[0020] In the diagram: 1. Cup lid; 2. Cup body; 3. Tube; 4. Dropper; 5. Handle; 6. Ring; 7. Fixing box; 8. Connecting tube; 9. Airbag; 10. Straight groove; 11. Slide groove; 12. Connecting rod; 13. Extrusion plate; 14. Slider; 15. Inclined block; 16. Fixing block; 17. Guide post; 18. Ladder block; 19. Limiting plate; 20. Spring. Detailed Implementation
[0021] The technical solutions in the embodiments of this utility model will be clearly and completely described below. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0022] Please see Figures 1-4 The present invention provides the following two preferred embodiments:
[0023] Example 1: A hospital wastewater sampling and testing device, comprising: a cup lid 1, a cup body 2 threadedly connected to the cup lid 1, a flexible tube 3 connected to the cup lid 1, and a dropper 4 inserted into the cup lid 1; a handle 5, one end of which is fixedly connected to the cup lid 1, and the other end of which is fixedly connected to a collar 6, which is sleeved on the cup body 2; a sampling component and an auxiliary component are provided on the handle 5; the side wall of the fixing box 7 in the sampling component is fixedly connected to the cup lid 1 and the collar 6, one side of the fixing box 7 is open, and a connecting tube 8 is connected to the side wall of the cup lid 1. The other end of the connecting tube 8 extends into the fixed box 7 and is connected to the airbag 9. The airbag 9 is snapped into the fixed box 7. A straight groove 10 is provided on the inner side wall of the handle 5. A sliding groove 11 is provided on the side wall of the straight groove 10. A connecting rod 12 is movably snapped into the straight groove 10. A pressing plate 13 is fixedly provided at the other end of the connecting rod 12. The pressing plate 13 is inserted into the fixed box 7 and snapped into the airbag 9. A slider 14 is fixedly provided on the side wall of the connecting rod 12. The slider 14 is movably snapped into the sliding groove 11. An inclined block 15 is fixedly provided on the side wall of the connecting rod 12.
[0024] In use, the cup body 2 is fitted into the collar 6 and then threaded onto the cup lid 1 to complete the installation of the cup lid 1 and the cup body 2. When sampling and testing hospital sewage, the hose 3 is inserted into the sewage. The handheld handle 5 can be held steadily with one hand, and the connecting rod 12 is moved by pressing the guide post 17. The slider 14 moves in the slide groove 11, which works in conjunction with the connecting rod 12 in the straight groove 10 to ensure the stability of the connecting rod 12's movement. This allows the squeezing plate 13 to move stably in the fixed box 7 and squeeze the airbag 9. The airbag 9 expels air from the cup body 2 through the hose 3. After that, the hospital sewage is sucked into the cup body 2, and then the air is repeatedly vented to provide negative pressure to suck up the sewage. This allows for stable one-handed operation of the device, reducing the risk of the device slipping and falling when operated with one hand, and ensuring the normal use of the device.
[0025] Example 2: Based on Example 1, the fixing block 16 in the auxiliary component is fixedly installed on the inner wall of the straight groove 10. A guide post 17 is movably installed on the fixing block 16. The guide post 17 passes through the upper end of the handle 5. A step block 18 is fixedly installed at the other end of the guide post 17. The inclined surface of the step block 18 is engaged with the inclined surface of the inclined block 15. The guide post 17 is fixedly sleeved with a limiting plate 19. The limiting plate 19 is movably engaged in the straight groove 10. A spring 20 is sleeved on the guide post 17. The two ends of the spring 20 are engaged with the limiting plate 19 and the fixing block 16, respectively.
[0026] In use, hold the handle 5 firmly with one hand, press the guide post 17 with your thumb to move it downwards, the limiting plate 19 compresses the spring 20, and at the same time, the inclined surface of the step block 18 moves along the inclined surface of the inclined block 15, thereby pushing the connecting rod 12 to move towards the fixed box 7, so that the squeezing plate 13 squeezes the air bag 9 to expel the air in the cup body 2 from the hose 3. Then release the guide post 17, the spring 20 resets and pushes the limiting plate 19 to move the guide post 17 upwards to reset, the air bag 9 returns to its original position and pushes the connecting rod 12 to move into the straight groove 10 to reset, which facilitates subsequent sewage sampling. When performing sewage sampling with one hand, the device can be held stably with one hand.
[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A hospital sewage sampling and detecting device, characterized in that: Include: The cup cover (1) is provided with a cup body (2) in threaded connection, a hose (3) is connected on the cup cover (1), and a dropper (4) is inserted on the cup cover (1); Handle (5), one end of the handle (5) is fixedly connected with the cup cover (1), the other end of the handle (5) is fixedly connected with the sleeve ring (6), the sleeve ring (6) is sleeved with the cup body (2), and the handle (5) is provided with a sampling assembly and an auxiliary assembly.
2. The hospital sewage sampling and detecting device according to claim 1, characterized in that: The fixed box (7) in the sampling assembly is fixedly connected with the cup cover (1) and the sleeve ring (6), one side of the fixed box (7) is provided with an opening, the cup cover (1) is provided with a connecting pipe (8) on the side wall, one end of the connecting pipe (8) extends into the fixed box (7) and is connected with the air bag (9), the air bag (9) is connected with the fixed box (7), and the air bag (9) is connected with the fixed box (7). The inner side wall of the handle (5) is provided with a straight slot (10).
3. The hospital sewage sampling and detecting device according to claim 2, characterized in that: The straight slot (10) is provided with a sliding groove (11) on the side wall, the connecting rod (12) is movably connected in the straight slot (10), the other end of the connecting rod (12) is fixedly provided with an extrusion plate (13), the extrusion plate (13) is inserted with the fixed box (7), and the extrusion plate (13) is connected with the air bag (9).
4. The hospital sewage sampling and detecting device according to claim 3, characterized in that: The connecting rod (12) is fixedly provided with a sliding block (14) on the side wall, the sliding block (14) is movably connected in the sliding groove (11), and the inclined block (15) is fixedly provided on the side wall of the connecting rod (12).
5. The hospital sewage sampling and detecting device according to claim 1, characterized in that: The fixed block (16) in the auxiliary assembly is fixedly provided on the inner wall of the straight slot (10), the guide column (17) is movably provided on the fixed block (16), the guide column (17) penetrates the upper end of the handle (5), the other end of the guide column (17) is fixedly provided with a ladder block (18), and the inclined surface of the ladder block (18) is connected with the inclined surface of the inclined block (15).
6. The hospital sewage sampling and detecting device according to claim 5, characterized in that: The guide column (17) is fixedly sleeved with a limiting plate (19), the limiting plate (19) is movably connected in the straight slot (10), the spring (20) is sleeved on the guide column (17), and the spring (20) is connected with the limiting plate (19) and the fixed block (16) at both ends.
Citation Information
Patent Citations
A hospital wastewater sampling and testing device
CN218847727U