A portable sewage sampler
By adjusting the position of the sampling head using a servo motor-driven threaded rod and guide assembly, combined with the movement of the telescopic tube and sliding plate, the problem of the inability to adjust the sampling head position in portable sewage samplers is solved, achieving flexible sampling and protection, and improving sampling efficiency and the convenience of sample storage and testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA CONSTR WATER ENVIRONMENTAL PROTECTION CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-05-29
AI Technical Summary
Existing portable wastewater samplers cannot adjust the sampling head position, which limits the flexible sampling of water sources at different locations and makes it difficult to meet the sampling needs of multiple points and locations in complex water environments, affecting the flexibility and efficiency of sampling.
The sampling head position is adjusted by using a servo motor-driven threaded rod and guide assembly. Combined with the movement of the telescopic tube and sliding plate, and equipped with a storage mechanism and a cleaning mechanism, it ensures sampling flexibility and protection.
It enables flexible sampling of water sources at different locations, improves the applicability and protection of the sampler, avoids clogging, and ensures sampling efficiency and batch storage and testing of samples.
Smart Images

Figure CN224303361U_ABST
Abstract
Description
Technical Field
[0001] This utility model specifically relates to a portable sewage sampler, belonging to the field of sampler technology. Background Technology
[0002] Portable wastewater samplers are lightweight and easy-to-carry sampling devices designed for rapid on-site sampling and monitoring. They are suitable for various occasions such as wastewater discharge outlets, on-site testing, and emergency sampling for sudden events. They are small in size, easy to carry and operate, and convenient to use in different on-site environments. They have a simple structure, and usually one person can complete the sampling without complicated operating procedures.
[0003] Patent document CN212340714U discloses a portable sewage sampling device, "including a syringe, a handle fixedly installed on the upper outer surface edge of the syringe, a water intake fixedly installed on the lower outer surface of the syringe, an inner cavity opened inside the syringe, a first push rod fixedly installed on one side of the upper outer surface of the piston, a second push rod fixedly installed on the other side of the upper outer surface of the piston, a rotating shaft rotatably installed on the outer surface of both the first and second push rods near the lower end, a first handle fixedly installed on the upper outer surface of the first push rod, and female buckle grooves opened on the upper outer surface of the first handle near both sides. This utility model can quickly sample, and the foldable push rod makes the sampler itself short and easy to carry. The sealing groove can seal the water intake, giving the sampler a storage effect and increasing the sampler's functionality."
[0004] However, the portable sewage sampling device mentioned in the above-mentioned literature mainly considers the problem of rapid sampling, but does not consider the problem of adjusting the sampling head position to sample water sources at different locations. The inability to adjust the sampling head position limits the ability to flexibly sample water sources at different locations. Due to the lack of an adjustable structure, it has certain limitations in practical applications and is difficult to meet the sampling needs of multiple points and locations in complex water environments, affecting the flexibility and efficiency of sampling. Therefore, it is necessary to develop a portable sewage sampler. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a portable wastewater sampler to facilitate sampling at different locations.
[0006] A portable wastewater sampler includes a sampling cylinder and a piston rod disposed inside the sampling cylinder. One end of the sampling cylinder is connected to a telescopic tube, and one end of the telescopic tube is fixedly connected to a sampling head. A strip frame is fixedly installed on the top of the sampling cylinder. A sliding plate is inserted inside the strip frame, and one end of the sliding plate is fixedly connected to the sampling head. An adjustment mechanism for adjusting the position of the sliding plate is provided inside the strip frame. A storage mechanism is provided on the sampling cylinder. A compressed air compression mechanism is provided inside the strip frame. An annular filter plate is fixedly installed at the water inlet end of the sampling head. A cleaning mechanism is provided inside the sampling head.
[0007] Preferably, the adjustment mechanism includes a servo motor, a threaded rod, a threaded cylinder, and a guide assembly. The servo motor is fixedly installed inside the bar frame. One end of the threaded rod is fixedly connected to the output end of the servo motor. The threaded cylinder is fixedly installed inside the sliding plate, and the threaded rod and the threaded cylinder are threadedly connected. The guide assembly is installed inside the bar frame.
[0008] Preferably, the guiding assembly includes a guide groove and a guide plate. The guide groove is symmetrically arranged on the sliding plate, the guide plate passes through the guide groove, and the guide plate is fixedly connected to the inner wall of the strip frame.
[0009] Preferably, a battery assembly is fixedly installed inside the bar frame and is electrically connected to the servo motor; a controller is fixedly installed on the sampling cylinder and is electrically connected to the servo motor.
[0010] Preferably, a baffle is fixedly installed on the sampling cylinder.
[0011] Preferably, the storage mechanism includes a connector, a valve, and a storage component. The connector is fixedly mounted on the sampling cylinder, the valve for controlling the opening and closing of the connector is mounted on the connector, and the storage component is mounted on the connector.
[0012] Preferably, the storage component includes a sampling bottle and a threaded head, the threaded head being fixedly connected to the sampling bottle and threadedly connected to the connector.
[0013] Preferably, the compression mechanism includes a compression groove, a compression block, a connecting plate, and a conveying hose. The compression groove is fixedly disposed inside the strip frame, the compression block is disposed inside the compression groove, one end of the connecting plate is fixedly connected to the compression block, and the other end of the connecting plate is fixedly connected to the sliding plate. One end of the conveying hose is fixedly connected to the compression groove.
[0014] Preferably, the cleaning mechanism includes an annular groove and a spray hole. The annular groove is embedded inside the sampling head, the spray hole is disposed on the annular groove, and the input end of the annular groove is connected to one end of the delivery hose.
[0015] Beneficial effects:
[0016] 1. This utility model facilitates sampling of water sources at different locations through the installed sampling head and threaded rod. When collecting samples from water sources at different locations, the servo motor drives the threaded rod to rotate, which in turn moves the threaded cylinder. The movement of the threaded cylinder adjusts the position of the sliding plate, which can be adjusted via a guide assembly. The movement of the sliding plate adjusts the position of the sampling head, and the telescopic tube can be pulled to extend and adjust the position of the sampling head. This achieves the purpose of sampling water sources at different locations, improving the flexibility of the portable sewage sampler.
[0017] 2. This utility model facilitates the batch storage and testing of collected sewage samples by installing sampling bottles. After the water source sample is extracted by the sampling tube, the valve is turned and the connector is no longer closed. The water source flows into the storage component through the connector for storage, thereby achieving the purpose of batch collection and storage of water source samples, which is convenient for testing the water source samples.
[0018] 3. This utility model effectively prevents foreign objects from entering the sampling head and causing blockage through the annular filter plate. The annular filter plate prevents large foreign objects from entering the sampling head and causing blockage inside the portable sewage sampler. The movement of the connecting plate compresses the air inside the compression tank through the compression block. After the compressed air flows into the annular tank, it flows towards the annular filter plate when it flows out of the sampling head, thereby removing impurities adsorbed on the annular filter plate and improving the cleanliness of the annular filter plate. When sampling water samples, it can prevent large foreign objects from entering the sampling head and causing blockage, thus avoiding affecting the sampling efficiency of the portable sewage sampler. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the strip frame structure of this utility model;
[0021] Figure 3 This utility model Figure 2 Enlarged structural diagram of A in the middle;
[0022] Figure 4 This utility model Figure 2 Enlarged structural diagram of B in the middle;
[0023] Figure 5 This is a schematic diagram of the compression groove structure of this utility model;
[0024] Figure 6 This is a schematic diagram of the annular groove structure of this utility model.
[0025] In the diagram: 1. Sampling cylinder; 2. Baffle; 3. Piston rod; 4. Telescopic tube; 5. Sampling head; 6. Sampling bottle; 7. Threaded head; 8. Connector; 9. Valve; 10. Controller; 11. Strip frame; 12. Battery assembly; 13. Servo motor; 14. Threaded rod; 15. Sliding plate; 16. Threaded cylinder; 17. Guide groove; 18. Guide plate; 19. Compression groove; 20. Compression block; 21. Connecting plate; 22. Delivery hose; 23. Annular filter plate; 24. Annular groove; 25. Spray hole. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] Please see Figure 1-6As shown, a portable wastewater sampler includes a sampling cylinder 1 and a piston rod 3 disposed inside the sampling cylinder 1. One end of the sampling cylinder 1 is connected to a telescopic tube 4, and the other end of the telescopic tube 4 is fixedly connected to a sampling head 5. A strip frame 11 is fixedly installed on the top of the sampling cylinder 1. A sliding plate 15 passes through the inside of the strip frame 11, and one end of the sliding plate 15 is fixedly connected to the sampling head 5. An adjustment mechanism for adjusting the position of the sliding plate 15 is provided inside the strip frame 11. A storage mechanism is provided on the sampling cylinder 1. A compressed air compression mechanism is provided inside the strip frame 11. An annular filter plate 23 is fixedly installed at the water inlet end of the sampling head 5. A cleaning mechanism is provided inside the sampling head 5. When using the portable wastewater sampler to sample and test wastewater, the user picks up the sampling cylinder 1, moves the sampling head 5 into the water source, and then pulls the piston rod 3 to create negative pressure inside the sampling cylinder 1. This allows the water source to be sampled and processed through the sampling head 5. The storage mechanism allows for effective storage of the collected water. The sampling head 5 is adjusted to facilitate subsequent water quality testing and analysis. When collecting water samples from different locations, the adjustment mechanism moves, which adjusts the position of the sliding plate 15. The sliding plate 15 moves, adjusting the position of the sampling head 5. At the same time, the telescopic tube 4 can be pulled to extend and adjust the position of the sampling head 5, achieving the purpose of sampling from different locations of the water source. This improves the applicability of the portable sewage sampler. When collecting water samples, the annular filter plate 23 can prevent large foreign objects from entering the sampling head 5 and causing blockage inside the portable sewage sampler, thus improving its protective properties. When the adjustment mechanism moves to adjust the position of the sliding plate 15, it will cause the compression mechanism to move and compress air. The compressed air flows into the cleaning mechanism, which then directs the airflow to the annular filter plate 23, thereby removing foreign objects adsorbed on the annular filter plate 23 and preventing blockage of the annular filter plate 23, which would affect the filtration effect.
[0028] Furthermore, the adjustment mechanism includes a servo motor 13, a threaded rod 14, a threaded cylinder 16, and a guide assembly. The servo motor 13 is fixedly installed inside the bar frame 11. One end of the threaded rod 14 is fixedly connected to the output end of the servo motor 13. The threaded cylinder 16 is fixedly installed inside the sliding plate 15, and the threaded rod 14 is threadedly connected to the threaded cylinder 16. The guide assembly is installed inside the bar frame 11. When the adjustment mechanism moves to adjust the position of the sliding plate 15, the servo motor 13 will work to drive the threaded rod 14 to rotate. The rotation of the threaded rod 14 will cause the threaded cylinder 16 to move. When the threaded cylinder 16 moves, it will adjust the position of the sliding plate 15. The position of the sliding plate 15 can be adjusted through the guide assembly, so that the sliding plate 15 can move smoothly. The position of the sampling head 5 can be adjusted through the sliding plate 15 for sampling processing.
[0029] Furthermore, the guiding assembly includes a guide groove 17 and a guide plate 18. The guide groove 17 is symmetrically arranged on the sliding plate 15, and the guide plate 18 passes through the guide groove 17. The guide plate 18 is fixedly connected to the inner wall of the strip frame 11. When the sliding plate 15 moves, it will drive the guide groove 17 to slide on the guide plate 18. The cooperation between the guide groove 17 and the guide plate 18 will make the sliding plate 15 move smoothly.
[0030] Furthermore, a battery assembly 12 is fixedly installed inside the bar frame 11, and the battery assembly 12 is electrically connected to the servo motor 13. A controller 10 is fixedly installed on the sampling cylinder 1, and the controller 10 is electrically connected to the servo motor 13. The battery assembly 12 provides power for the operation of the servo motor 13, and the servo motor 13 can be controlled by the controller 10.
[0031] Furthermore, a baffle 2 is fixedly installed on the sampling cylinder 1. With the cooperation of the baffle 2, it is convenient to manually pull the piston rod 3 to move, so that the sampling cylinder 1 can sample and process water source samples.
[0032] Furthermore, the storage mechanism includes a connector 8, a valve 9, and a storage component. The connector 8 is fixedly mounted on the sampling cylinder 1. The valve 9, which controls the opening and closing of the connector 8, is mounted on the connector 8. The storage component is mounted on the connector 8. The valve 9 controls the closed state of the connector 8. After the water sample is extracted from the sampling cylinder 1, the valve 9 is rotated, and the connector 8 is no longer closed. The water source flows into the storage component through the connector 8 for storage, thereby achieving the purpose of collecting and storing water source samples in batches, which facilitates the testing of water source samples.
[0033] Furthermore, the storage component includes a sampling bottle 6 and a threaded head 7. The threaded head 7 is fixedly connected to the sampling bottle 6 and threadedly connected to the connector 8. The rotary valve 9 no longer seals the connector 8. The water source inside the sampling cylinder 1 flows into the sampling bottle 6 for storage through the connector 8. After rotating the sampling bottle 6 to separate the threaded head 7 from the connector 8, the sampling bottle 6 can be disassembled. The threaded head 7 is sealed with a sealing plug, and the sampling bottle 6 can then be taken out, facilitating the sampling and testing of water source samples in batches.
[0034] Furthermore, the compression mechanism includes a compression groove 19, a compression block 20, a connecting plate 21, and a conveying hose 22. The compression groove 19 is fixedly installed inside the strip frame 11, the compression block 20 is installed inside the compression groove 19, one end of the connecting plate 21 is fixedly connected to the compression block 20, and the other end of the connecting plate 21 is fixedly connected to the sliding plate 15. One end of the conveying hose 22 is fixedly connected to the compression groove 19. When the strip plate 11 moves, it will drive the connecting plate 21 to move. The movement of the connecting plate 21 will compress the air inside the compression groove 19 through the compression block 20. The compressed air will flow to the cleaning mechanism through the conveying hose 22. The cleaning mechanism can clean the annular filter plate 23, and can also repeatedly adjust the position of the sliding plate 15 to achieve the purpose of cleaning the annular filter plate 23.
[0035] Furthermore, the cleaning mechanism includes an annular groove 24 and a nozzle 25. The annular groove 24 is embedded inside the sampling head 5, and the nozzle 25 is set on the annular groove 24. The input end of the annular groove 24 is connected to one end of the delivery hose 22. After the compressed air flows into the annular groove 24, it flows into the sampling head 5 through the nozzle 25. When the air flows out of the sampling head 5, it flows towards the annular filter plate 23, thereby removing the impurities adsorbed on the annular filter plate 23 and improving the cleanliness of the annular filter plate 23.
[0036] As a technical optimization of this utility model, when using the portable sewage sampler to sample and test sewage, the user takes the sampling cylinder 1, moves the sampling head 5 into the water source, and pulls the piston rod 3 to create negative pressure inside the sampling cylinder 1. This allows the water source to be sampled through the sampling head 5. After the water sample is extracted from the sampling cylinder 1, the valve 9 is turned, and the connector 8 is no longer closed. The water source flows through the connector 8 and enters the storage component for storage, thus achieving the purpose of batch collection and storage of water source samples, facilitating the testing of water source samples. When collecting samples from different locations, the servo motor 13 drives the threaded rod 14 to rotate. The rotation of the threaded rod 14 causes the threaded cylinder 16 to move. The movement of the threaded cylinder 16 adjusts the position of the sliding plate 15. The position of the sliding plate 15 can be adjusted through the guide component. The movement of the sliding plate 15 adjusts the position of the sampling head 5. Simultaneously, the telescopic tube 4 can be pulled to extend and adjust the position of the sampling head 5, achieving the purpose of sampling from different locations of the water source. This improves the applicability of the portable sewage sampler. When collecting water samples, the annular filter plate 23 prevents large foreign objects from entering the sampling head 5 and causing blockages inside the portable wastewater sampler, thus improving protection. When the adjusting mechanism moves to adjust the position of the sliding plate 15, it causes the compression mechanism to move and compress air. This compressed air flows into the cleaning mechanism, which directs the airflow towards the annular filter plate 23, thereby removing foreign objects adsorbed on the annular filter plate 23 and preventing blockages that could affect the filtration effect. This process cleans the annular filter plate 23. During processing, the movement of the strip plate 11 will drive the connecting plate 21 to move. The movement of the connecting plate 21 will compress the air inside the compression tank 19 through the compression block 20. The compressed air flows into the annular groove 24 and then flows into the sampling head 5 through the nozzle 25. When the air flows out of the sampling head 5, it will flow towards the annular filter plate 23, thereby removing the impurities adsorbed on the annular filter plate 23 and improving the cleanliness of the annular filter plate 23. When sampling water samples, it can prevent large foreign objects from entering the sampling head 5 and causing blockage.
[0037] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0038] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A portable wastewater sampler, comprising a sampling cylinder (1) and a piston rod (3) disposed inside the sampling cylinder (1), characterized in that: One end of the sampling tube (1) is connected to a telescopic tube (4), and one end of the telescopic tube (4) is fixedly connected to a sampling head (5). A strip frame (11) is fixedly installed on the top of the sampling tube (1). A sliding plate (15) is inserted inside the strip frame (11), and one end of the sliding plate (15) is fixedly connected to the sampling head (5). An adjustment mechanism for adjusting the position of the sliding plate (15) is provided inside the strip frame (11). A storage mechanism is provided on the sampling tube (1). A compressed air compression mechanism is provided inside the strip frame (11). An annular filter plate (23) is fixedly installed at the water inlet end of the sampling head (5). A cleaning mechanism is provided inside the sampling head (5).
2. The portable wastewater sampler as described in claim 1, characterized in that: The adjustment mechanism includes a servo motor (13), a threaded rod (14), a threaded cylinder (16), and a guide assembly. The servo motor (13) is fixedly installed inside the bar frame (11). One end of the threaded rod (14) is fixedly connected to the output end of the servo motor (13). The threaded cylinder (16) is fixedly installed inside the sliding plate (15), and the threaded rod (14) is threadedly connected to the threaded cylinder (16). The guide assembly is installed inside the bar frame (11).
3. A portable wastewater sampler as described in claim 2, characterized in that: The guiding assembly includes a guide groove (17) and a guide plate (18). The guide groove (17) is symmetrically arranged on the sliding plate (15). The guide plate (18) passes through the guide groove (17) and is fixedly connected to the inner wall of the strip frame (11).
4. A portable wastewater sampler as described in claim 3, characterized in that: A battery assembly (12) is fixedly installed inside the bar frame (11), and the battery assembly (12) is electrically connected to the servo motor (13). A controller (10) is fixedly installed on the sampling cylinder (1), and the controller (10) is electrically connected to the servo motor (13).
5. A portable wastewater sampler as described in claim 1, characterized in that: A baffle (2) is fixedly installed on the sampling tube (1).
6. A portable wastewater sampler as described in claim 5, characterized in that: The storage mechanism includes a connector (8), a valve (9), and a storage component. The connector (8) is fixedly mounted on the sampling cylinder (1). The valve (9) for controlling the opening and closing of the connector (8) is mounted on the connector (8). The storage component is mounted on the connector (8).
7. A portable wastewater sampler as described in claim 6, characterized in that: The storage component includes a sampling bottle (6) and a threaded head (7), the threaded head (7) being fixedly connected to the sampling bottle (6) and threadedly connected to the connector (8).
8. A portable wastewater sampler as described in claim 1, characterized in that: The compression mechanism includes a compression groove (19), a compression block (20), a connecting plate (21), and a delivery hose (22). The compression groove (19) is fixedly installed inside the strip frame (11). The compression block (20) is installed inside the compression groove (19). One end of the connecting plate (21) is fixedly connected to the compression block (20), and the other end of the connecting plate (21) is fixedly connected to the sliding plate (15). One end of the delivery hose (22) is fixedly connected to the compression groove (19).
9. A portable wastewater sampler as described in claim 1, characterized in that: The cleaning mechanism includes an annular groove (24) and a nozzle (25). The annular groove (24) is embedded inside the sampling head (5), and the nozzle (25) is set on the annular groove (24). The input end of the annular groove (24) is connected to one end of the delivery hose (22).