Lake water sampler

Abstract

The utility model discloses a lake water sampler, which relates to the technical field of lake water sampling devices and comprises a fixed block, a lifting component rotatably connected inside the fixed block, a telescopic rod fixedly connected below the fixed block, a sampling outer cylinder fixedly connected below the telescopic rod, and a sample storage inner cylinder fixedly connected inside the sampling outer cylinder. A water taking assembly is rotationally connected to the interior of the sample storage inner cylinder, a sampling opening is fixedly connected to the lower portion of the sample storage inner cylinder and communicates with the sample storage inner cylinder, an algae filtering separation net is fixedly connected to the sampling opening, a cleaning assembly is arranged below the algae filtering separation net, the cleaning assembly is in sliding connection with the sampling outer cylinder, and the cleaning assembly is rotationally connected with the sample storage inner cylinder. According to the multi-depth sampling device, multi-depth sampling is achieved, water samples at different depths can be collected under the combined action of the lifting assembly and the telescopic rod, and meanwhile the situation that hand water flow affects the collecting position is avoided.

Description

Technical Field

[0001] This utility model relates to the technical field of lake water sampling devices, specifically a lake water sampler. Background Technology

[0002] Monitoring lake water quality is crucial for protecting the lake's ecological environment, ensuring water resource security, and rationally utilizing lake resources. Accurately obtaining lake water samples is fundamental to water quality monitoring; however, existing lake water samplers have several limitations.

[0003] Traditional lake water samplers typically have a fixed sampling depth, which cannot be flexibly adjusted. Furthermore, algae or impurities can easily clog the sampling port, affecting sample purity. Therefore, those skilled in the art have proposed a lake water sampler to address the problems mentioned above. Utility Model Content

[0004] The purpose of this invention is to provide a lake water sampler to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A lake water sampler includes a fixed block with a lifting assembly rotatably connected inside. A telescopic rod is fixedly connected below the fixed block, and a sampling outer cylinder is fixedly connected below the telescopic rod. A sample storage inner cylinder is fixedly connected inside the sampling outer cylinder, and a water intake assembly is rotatably connected inside the sample storage inner cylinder. A sampling port is fixedly connected below the sample storage inner cylinder and communicates with the sample storage inner cylinder. An algae filter is fixedly connected above the sampling port, and a cleaning assembly is disposed below the algae filter. The cleaning assembly is slidably connected to the sampling outer cylinder and rotatably connected to the sample storage inner cylinder.

[0007] As a further embodiment of this utility model: the water intake assembly includes a second motor fixedly connected above the sample storage inner cylinder, the second motor being rotatably connected to a rotating shaft, the upper part of the rotating shaft being rotatably connected to the sampling outer cylinder, a drive gear being fixedly connected to the rotating shaft, the two sides of the drive gear meshing with a reversing gear ring, a rotating screw sleeve being fixedly connected below the reversing gear ring, the rotating screw sleeve being rotatably connected to the sample storage inner cylinder, a lifting screw being threadedly connected inside the rotating screw sleeve, a suction plate being fixedly connected to the bottom of the lifting screw, and a sealing gasket being fixedly connected to the outside of the suction plate.

[0008] As a further embodiment of this utility model: a transmission rod is connected to the rotating shaft via a transmission belt, the transmission rod is rotatably connected to the sampling outer cylinder, and an adjusting worm is connected below the transmission rod via a bevel gear set, the adjusting worm being rotatably connected to the sampling outer cylinder.

[0009] As a further embodiment of this utility model: the cleaning assembly includes a driven worm gear meshing with an adjusting worm gear, a connecting rod fixedly connected to the driven worm gear, the upper part of the connecting rod being rotatably connected to the inner sample storage cylinder, a rotating disk fixedly connected to the bottom of the connecting rod, a deflector block fixedly connected below the rotating disk, the deflector block being disposed inside an adjusting through hole, the adjusting through hole being disposed on a sliding rod, movable sliders fixedly connected to both sides of the sliding rod, the movable sliders being slidably connected to the outer sample collection cylinder, a cleaning brush plate fixedly connected to the movable slider, the cleaning brush plate cooperating with the algae filter screen.

[0010] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model enables multi-depth sampling. Through the combined action of the lifting component and the telescopic rod, water samples at different depths can be collected, while avoiding the influence of hand-held water flow on the collection position; 2. High-efficiency filtration. The algae filter screen and the cleaning component work together to ensure sample purity and avoid clogging; 3. High degree of automation. Through automatic motor control, manual intervention is reduced; 4. Easy maintenance. Through the action of the cleaning component, the number of manual maintenance operations is reduced, and work efficiency is improved. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of a lake water sampler structure;

[0012] Figure 2 A schematic diagram of a lifting assembly for a lake water sampler;

[0013] Figure 3 This is a schematic diagram of the water sampling component of a lake water sampler;

[0014] Figure 4 A schematic diagram of a cleaning component for a lake water sampler;

[0015] In the diagram: 1. Fixed block; 2. Lifting assembly; 3. Telescopic rod; 4. Sampling outer cylinder; 5. Sample storage inner cylinder; 6. Water intake assembly; 7. Sampling port; 8. Algae filter screen; 9. Cleaning assembly; 10. First motor; 11. Drive rod; 12. Rewind drum; 13. Lifting rope; 14. Guide wheel; 15. Second motor; 16. Rotating shaft; 17. Drive gear; 18. Adjusting gear ring; 19. Rotating screw sleeve; 20. Lifting screw; 21. Suction plate; 22. Sealing gasket; 23. Transmission rod; 24. Adjusting worm gear; 25. Driven worm wheel; 26. Connecting rod; 27. Rotating wheel; 28. Turning block; 29. ​​Adjusting through hole; 30. Sliding rod; 31. Moving slider; 32. Cleaning brush plate. Detailed Implementation

[0016] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0017] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0019] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0020] Example 1: Please refer to Figures 1-4 The system includes a fixed block 1, characterized in that a lifting assembly 2 is rotatably connected inside the fixed block 1, a telescopic rod 3 is fixedly connected below the fixed block 1, a sampling outer cylinder 4 is fixedly connected below the telescopic rod 3, a sample storage inner cylinder 5 is fixedly connected inside the sampling outer cylinder 4, a water intake assembly 6 is rotatably connected inside the sample storage inner cylinder 5, a sampling port 7 is fixedly connected below the sample storage inner cylinder 5, the sampling port 7 communicates with the sample storage inner cylinder 5, an algae filter screen 8 is fixedly connected to the sampling port 7, a cleaning assembly 9 is provided below the algae filter screen 8, the cleaning assembly 9 is slidably connected to the sampling outer cylinder 4, and the cleaning assembly 9 is rotatably connected to the sample storage inner cylinder 5.

[0021] The lifting assembly 2 includes a first motor 10 fixedly connected inside the fixed block 1. The first motor 10 is rotatably connected to a drive rod 11. A winding drum 12 is fixedly connected to the drive rod 11. A lifting rope 13 is provided on the winding drum 12. The lifting rope 13 is located inside the telescopic rod 3. The bottom of the lifting rope 13 is fixedly connected to the sampling outer cylinder 4. A guide wheel 14 is rotatably connected inside the telescopic rod 3 through a connecting rod 26. The guide wheel 14 cooperates with the lifting rope 13.

[0022] First, the first motor 10 drives the drive rod 11 to rotate, which causes the winding drum 12 to control the winding and unwinding of the lifting rope 13 for depth adjustment.

[0023] Example 2: Please refer to Figures 1-4 The system includes a fixed block 1, characterized in that a lifting assembly 2 is rotatably connected inside the fixed block 1, a telescopic rod 3 is fixedly connected below the fixed block 1, a sampling outer cylinder 4 is fixedly connected below the telescopic rod 3, a sample storage inner cylinder 5 is fixedly connected inside the sampling outer cylinder 4, a water intake assembly 6 is rotatably connected inside the sample storage inner cylinder 5, a sampling port 7 is fixedly connected below the sample storage inner cylinder 5, the sampling port 7 communicates with the sample storage inner cylinder 5, an algae filter screen 8 is fixedly connected to the sampling port 7, a cleaning assembly 9 is provided below the algae filter screen 8, the cleaning assembly 9 is slidably connected to the sampling outer cylinder 4, and the cleaning assembly 9 is rotatably connected to the sample storage inner cylinder 5.

[0024] The lifting assembly 2 includes a first motor 10 fixedly connected inside the fixed block 1. The first motor 10 is rotatably connected to a drive rod 11. A winding drum 12 is fixedly connected to the drive rod 11. A lifting rope 13 is provided on the winding drum 12. The lifting rope 13 is located inside the telescopic rod 3. The bottom of the lifting rope 13 is fixedly connected to the sampling outer cylinder 4. A guide wheel 14 is rotatably connected inside the telescopic rod 3 through a connecting rod 26. The guide wheel 14 cooperates with the lifting rope 13.

[0025] First, the first motor 10 drives the drive rod 11 to rotate, which causes the winding drum 12 to control the winding and unwinding of the lifting rope 13 for depth adjustment.

[0026] The water intake assembly 6 includes a second motor 15 fixedly connected above the sample storage inner cylinder 5. The second motor 15 is rotatably connected to a rotating shaft 16. The upper part of the rotating shaft 16 is rotatably connected to the sampling outer cylinder 4. A drive gear 17 is fixedly connected to the rotating shaft 16. The two sides of the drive gear 17 mesh with a rotating gear ring 18. A rotating screw sleeve 19 is fixedly connected below the rotating gear ring 18. The rotating screw sleeve 19 is rotatably connected to the sample storage inner cylinder 5. A lifting screw 20 is threadedly connected inside the rotating screw sleeve 19. A suction plate 21 is fixedly connected to the bottom of the lifting screw 20. A sealing gasket 22 is fixedly connected to the outside of the suction plate 21.

[0027] Then, the second motor 15 drives the rotating shaft 16 to rotate, which causes the drive gear 17 to drive the rotating gear ring 18 to rotate, which in turn causes the rotating screw sleeve 19 to drive the lifting screw 20 to rise, so that the suction plate 21 can perform sampling.

[0028] A transmission rod 23 is connected to the rotating shaft 16 via a transmission belt. The transmission rod 23 is rotatably connected to the sampling outer cylinder 4. An adjusting worm 24 is connected to the lower part of the transmission rod 23 via a bevel gear set. The adjusting worm 24 is rotatably connected to the sampling outer cylinder 4.

[0029] The cleaning assembly 9 includes a driven worm gear 25 that meshes with the adjusting worm gear 24. A connecting rod 26 is fixedly connected to the driven worm gear 25. The upper part of the connecting rod 26 is rotatably connected to the sample storage inner cylinder 5. A rotating disk 27 is fixedly connected to the bottom of the connecting rod 26. A turning block 28 is fixedly connected below the rotating disk 27. The turning block 28 is disposed inside the adjusting through hole 29. The adjusting through hole 29 is disposed on the sliding rod 30. Moving sliders 31 are fixedly connected to both sides of the sliding rod 30. The moving sliders 31 are slidably connected to the sampling outer cylinder 4. A cleaning brush plate 32 is fixedly connected to the moving slider 31. The cleaning brush plate 32 cooperates with the algae filter screen 8.

[0030] At the same time, the connecting rod 26 is rotated by the worm gear 25, which causes the rotating block 28 below the rotating disk 27 to rotate, which in turn causes the sliding rod 30 to slide, thereby cleaning the algae filter screen 8 by the cleaning brush plate 32.

[0031] The working principle of this utility model is as follows:

[0032] First, the first motor 10 drives the drive rod 11 to rotate, causing the take-up drum 12 to control the winding and unwinding of the lifting rope 13 for depth adjustment. Then, the second motor 15 drives the rotating shaft 16 to rotate, causing the drive gear 17 to drive the adjusting gear ring 18 to rotate, which in turn causes the rotating screw sleeve 19 to drive the lifting screw 20 to rise, allowing the suction plate 21 to sample. Simultaneously, the worm gear 25 drives the connecting rod 26 to rotate, causing the rotating block 28 below the rotating disk 27 to rotate, which in turn causes the sliding rod 30 to slide, thereby cleaning the algae filter screen 8 with the cleaning brush plate 32.

[0033] 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.

[0034] 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 lake water sampler, comprising a fixing block (1), characterized in that, A lifting assembly (2) is rotatably connected inside the fixed block (1). A telescopic rod (3) is fixedly connected below the fixed block (1). A sampling outer cylinder (4) is fixedly connected below the telescopic rod (3). A sample storage inner cylinder (5) is fixedly connected inside the sampling outer cylinder (4). A water intake assembly (6) is rotatably connected inside the sample storage inner cylinder (5). A sampling port (7) is fixedly connected below the sample storage inner cylinder (5). The sampling port (7) communicates with the sample storage inner cylinder (5). An algae filter screen (8) is fixedly connected above the sampling port (7). A cleaning assembly (9) is provided below the algae filter screen (8). The cleaning assembly (9) is slidably connected to the sampling outer cylinder (4). The cleaning assembly (9) is rotatably connected to the sample storage inner cylinder (5).

2. The lake water sampler according to claim 1, characterized in that, The lifting assembly (2) includes a first motor (10) fixedly connected inside the fixed block (1). The first motor (10) is rotatably connected to a drive rod (11). A winding drum (12) is fixedly connected to the drive rod (11). A lifting rope (13) is provided on the winding drum (12). The lifting rope (13) is located inside the telescopic rod (3). The bottom of the lifting rope (13) is fixedly connected to the sampling outer cylinder (4). A guide wheel (14) is rotatably connected inside the telescopic rod (3) through a connecting rod (26). The guide wheel (14) cooperates with the lifting rope (13).

3. The lake water sampler according to claim 1, characterized in that, The water intake assembly (6) includes a second motor (15) fixedly connected above the sample storage inner cylinder (5). The second motor (15) is rotatably connected to a rotating shaft (16). The upper part of the rotating shaft (16) is rotatably connected to the sampling outer cylinder (4). A drive gear (17) is fixedly connected to the rotating shaft (16). The two sides of the drive gear (17) mesh with a rotating gear ring (18). A rotating screw sleeve (19) is fixedly connected below the rotating gear ring (18). The rotating screw sleeve (19) is rotatably connected to the sample storage inner cylinder (5). A lifting screw (20) is threaded inside the rotating screw sleeve (19). A suction plate (21) is fixedly connected to the bottom of the lifting screw (20). A sealing gasket (22) is fixedly connected to the outside of the suction plate (21).

4. The lake water sampler according to claim 3, characterized in that, A transmission rod (23) is connected to the rotating shaft (16) via a transmission belt. The transmission rod (23) is rotatably connected to the sampling outer cylinder (4). An adjusting worm (24) is connected to the lower part of the transmission rod (23) via a bevel gear set. The adjusting worm (24) is rotatably connected to the sampling outer cylinder (4).

5. The lake water sampler according to claim 4, characterized in that, The cleaning assembly (9) includes a driven worm gear (25) meshing with the adjusting worm gear (24). A connecting rod (26) is fixedly connected to the driven worm gear (25). The upper part of the connecting rod (26) is rotatably connected to the inner sample cylinder (5). A rotating disk (27) is fixedly connected to the bottom of the connecting rod (26). A rotating block (28) is fixedly connected below the rotating disk (27). The rotating block (28) is located inside the adjusting through hole (29). The adjusting through hole (29) is located on the sliding rod (30). A movable slider (31) is fixedly connected to both sides of the sliding rod (30). The movable slider (31) is slidably connected to the outer sample cylinder (4). A cleaning brush plate (32) is fixedly connected to the movable slider (31). The cleaning brush plate (32) cooperates with the algae filter screen (8).

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