Water quality detection device

Through driving structure, flip structure, pulling structure and transmission structure, automatic flip and depth adjustment of the water quality detection device is achieved, which solves the time-consuming and labor-intensive problems in the existing technology and improves the detection efficiency and flexibility.

CN120594784AActive Publication Date: 2025-09-05北京市水利工程管理中心
View PDF 7 Cites 0 Cited by

Patent Information

Application Number
CN202510869506.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-26
Publication Date
2025-09-05
Estimated Expiration
2045-06-26

AI Technical Summary

Technical Problem

The sampling and testing operations of existing water quality monitoring devices at different depths and areas are time-consuming and labor-intensive, reducing the efficiency of testing.

Method used

The driving structure, flip structure, pulling structure and transmission structure are adopted to realize the automatic flip and extension of multiple sets of detection structures, and can detect different areas and depths of the same water area at the same time; through the moving structure and limiting structure, it is convenient to pour out water after sampling; using the adjustment structure and floating structure, the buoyancy and insertion depth of the device on the water surface are adjusted.

Benefits of technology

It improves the working efficiency of water quality detection, realizes simultaneous detection of different areas and depths in the same water area, makes operation more labor-saving, and can flexibly adjust the insertion depth to adapt to different water conditions.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120594784A_ABST
    Figure CN120594784A_ABST
Patent Text Reader

Abstract

The invention relates to the field of water quality detection, and discloses a water quality detection device, which comprises a first fixing frame and a second fixing frame, the second fixing frame is arranged right above the first fixing frame, a vertical rod is connected to a corner between the first fixing frame and the second fixing frame, a floating plate is arranged on the vertical rod through an adjusting structure, and the floating plate is connected with the first fixing frame and the second fixing frame. The floating plate is provided with a floating increasing structure, a mounting frame is mounted below the first fixing frame, a driving structure is arranged in the middle of the lower portion of the first fixing frame, during detection, the device can be directly inserted into water, the multiple detection structures are automatically driven to be turned over and opened through the driving structure and the turning structures, and the detection accuracy is improved. The multiple groups of detection structures can extend to different areas of the same water area, and the detection port and the detection cavity can be automatically communicated through the drawing structure and the transmission structure in the opening process, so that water in different areas and different depths of the same water area can be detected at the same time, the detection work efficiency is higher, and more labor is saved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the technical field of water quality detection, and in particular to a water quality detection device. Background Art

[0002] Water is the source of life. Human beings cannot live without water in their daily life and production activities. The quality of drinking water is closely related to human health. People's requirements for the quality of drinking water are constantly increasing, and the drinking water quality standards are also constantly developing and improving accordingly. When testing water quality, testing equipment is used.

[0003] In the prior art, a water quality monitoring device is provided with a plurality of sampling cylinders inside a material storage unit. The sampling cylinders are movably provided and cooperate with the cylinder unit and the pull-down unit. When it is necessary to sample the water quality, the cylinder unit pulls a sampling cylinder inward, and at the same time, the lower end of the sampling cylinder can be just engaged with the upper end of the pull-down unit. The pull-down unit can then pull the sampling cylinder into the water. When the sampling cylinder drops to the lowest point, the sampling cylinder is just opened and the sampling cylinder is vertically inserted into the water. The collecting cylinders at different heights on the sampling cylinder can play the role of stratified sampling. The multiple sampling cylinders can perform stratified sampling of different water qualities one by one.

[0004] However, during actual testing, when sampling and testing waters of different depths, it is necessary to continuously adjust the sampling and testing depth for testing, and when testing different areas of the same water area, the detection device needs to be transferred to the corresponding area for testing. This operation is time-consuming and labor-intensive, and reduces the efficiency of the testing work. Therefore, there is room for improvement. Summary of the Invention

[0005] In order to solve the problems raised in the above background technology, the present invention provides a water quality detection device.

[0006] The present invention provides a water quality detection device that adopts the following technical solution:

[0007] A water quality detection device includes a first fixed frame and a second fixed frame, wherein the second fixed frame is arranged directly above the first fixed frame, a vertical rod is connected at the corner between the first fixed frame and the second fixed frame, a floating plate is provided on the vertical rod through an adjustment structure, and a buoyancy-enhancing structure is provided on the floating plate, an installation frame is installed below the first fixed frame, a driving structure is provided in the middle below the first fixed frame, and the installation frame is provided with a flip structure;

[0008] The flip structure includes a first through slot in the middle of the mounting frame, a second through slot on each of the four side slot walls of the first through slot, a rotating shaft rotatably connected between the two side slot walls of the second through slot, a flip handle fixedly sleeved at both ends of the rotating shaft, and a detection structure provided at the bottom end of each flip handle;

[0009] The detection structure includes a fixed cylinder fixedly connected to the bottom end of the flip handle, a flip cylinder is provided on the fixed cylinder through a movable structure, an inner rod is movably inserted into the fixed cylinder, a limiting structure is provided between the bottom end of the inner rod and the lower inner wall of the flip cylinder, a pulling structure is provided between the top end of the inner rod and the flip handle, a plurality of detection ports are provided on the side of the fixed cylinder, and the plurality of detection ports are evenly spaced on the fixed cylinder, a plurality of detection cavities are provided on the inner rod, the detection cavities are located below the detection ports, and the plurality of detection cavities are evenly spaced on the inner rod, and a detection probe is installed in the middle of the upper inner wall of the detection cavity.

[0010] Preferably, the pulling structure includes two guide grooves opened on the flip handle, a moving block is slidably arranged in the guide groove, the moving block is connected to the pulling strip near the middle of one side of the fixed cylinder, the pulling strip moves through the flip handle, and one end of the pulling strip is inserted into the fixed cylinder and connected to the inner rod, and a transmission structure is arranged between the moving block and the mounting frame.

[0011] Preferably, the transmission structure includes an insertion rod connected to both ends of the moving block, and a fan-shaped plate is connected to both sides of each second through groove under the mounting frame, a first arc groove is provided on the fan-shaped plate, and a connecting groove connected to one end of the first arc groove is provided on the fan-shaped plate, and the connecting groove is in a "Z" shape, a second arc groove is provided on the fan-shaped plate, and the second arc groove is connected to one end of the connecting groove, and the diameter of the second arc groove is 0.6 times the diameter of the first arc groove, and one end of the insertion rod is movably inserted into the first arc groove.

[0012] Preferably, the driving structure includes a driving column that can move through the first through slot, a waterproof cylinder is installed in the middle of the lower side of the first fixed frame, a cylinder is installed in the waterproof cylinder, and one end of the cylinder output shaft passes through the waterproof cylinder and is connected to the driving column. A groove is provided on the side of the driving column near each second through slot, and a gear is fixedly mounted in the middle of each rotating shaft, and teeth that mesh with the gear are provided on the wall of the groove.

[0013] Preferably, the movable structure includes a threaded sleeve mounted on the fixed cylinder, the inner wall of the threaded sleeve and the outer surface of the fixed cylinder are provided with mutually matching threads, the bottom end of the threaded sleeve is fixedly connected to the connecting cylinder, the bottom end of the connecting cylinder is fixedly connected to the connecting sleeve, and the bottom end of the connecting sleeve is rotatably connected to the top end of the flip cylinder.

[0014] Preferably, the limiting structure includes a limiting strip connected to the bottom end of the inner rod, a limiting cylinder is connected to the middle of the lower inner wall of the flip cylinder, the bottom end of the limiting strip is movably inserted into the limiting cylinder, and the end faces of the limiting strip and the limiting cylinder are both square.

[0015] Preferably, the buoyancy-enhancing structure includes mounting grooves provided on the side surfaces of the floating plate, an air bag is installed in each of the mounting grooves, and an air nozzle is provided at one end of the air bag.

[0016] Preferably, the adjustment structure includes a lifting sleeve fixed through the middle of the floating plate, a screw passing through the lifting sleeve, a thread is set on the inner wall of the lifting sleeve, the bottom end of the screw is rotatably connected to the first fixed frame, and the screw rotates through the top of the second fixed frame to install a wheel.

[0017] In summary, the present invention has the following beneficial technical effects:

[0018] 1. The present invention is provided with a driving structure, a flipping structure, a detection structure, a pulling structure and a transmission. When testing, the device can be directly inserted into the water. The driving structure and the flipping structure automatically drive multiple groups of detection structures to flip and open, so that the multiple groups of detection structures can be extended to different areas of the same water area. In the process of opening, the pulling structure and the transmission structure can automatically connect the detection port and the detection cavity. In this way, different areas of the same water area and water of different depths can be tested simultaneously, which makes the detection work more efficient and more labor-saving.

[0019] 2. The present invention provides a movable structure and a limiting structure. When multiple detection structures are closed, the movable structure and the limiting structure can be used to move the flip cylinder on the fixed cylinder, so that the detection port on the flip cylinder is connected to the detection cavity on the inner rod, thereby facilitating the pouring out of the sampled and tested water.

[0020] 3. The present invention provides an adjustment structure and a float-increasing structure. The float-increasing structure can increase the buoyancy of the device on the water surface. The adjustment structure can be used to adjust the position of the float plate between the first fixed frame and the second fixed frame, so that the insertion depth of the detection structure in the water area can be adjusted according to the water depth of the water area to be detected, making it more flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 1 is a schematic structural diagram of a water quality detection device according to an embodiment of the present invention;

[0022] Figure 2 is a schematic structural diagram of the first fixing frame and the second fixing frame in an embodiment of the present invention;

[0023] Figure 3 is a schematic structural diagram of the lower portion of the first fixing frame in an embodiment of the present invention;

[0024] Figure 4 In the embodiment of the present invention Figure 3 A magnified view of the structure at point A;

[0025] Figure 51 is a schematic structural diagram of a sector plate in an embodiment of the present invention;

[0026] Figure 6 This is a schematic structural diagram of the turning cylinder and the fixed cylinder in an embodiment of the present invention;

[0027] Figure 7 In the embodiment of the present invention Figure 6 A magnified view of the structure at point B;

[0028] Figure 8 This is a schematic diagram of the structure of the top of the fixed cylinder and the flip cylinder in an embodiment of the present invention;

[0029] Figure 9 It is a structural schematic diagram of the bottom of the turning cylinder in an embodiment of the present invention.

[0030] Explanation of the accompanying drawings: 1. First fixed frame; 2. Second fixed frame; 3. Flip cylinder; 4. Floating plate; 5. Mounting frame; 6. Vertical rod; 7. Second through groove; 8. Gear; 9. Flip handle; 10. Detection port; 11. Inner rod; 12. Detection cavity; 13. Fixed cylinder; 14. Pull-out strip; 15. Moving block; 16. Guide groove; 17. Insert rod; 18. Fan-shaped plate; 19. First arcuate groove; 20. Connecting groove; 21. Second arcuate groove; 22. Driving column; 23. First through groove; 24. Groove; 25. Waterproof cylinder; 26. Threaded sleeve; 27. Connecting cylinder; 28. Connecting sleeve; 29. ​​Limiting strip; 30. Limiting cylinder; 31. Air bag; 32. Air nozzle; 33. Screw; 34. Lifting sleeve; 35. Rotating wheel. DETAILED DESCRIPTION

[0031] The following is combined with Figures 1-9 The present invention is described in further detail.

[0032] Reference Figures 1-9 The embodiment of the present invention discloses a water quality detection device, including a first fixed frame 1 and a second fixed frame 2. The second fixed frame 2 is arranged directly above the first fixed frame 1. The corners between the first fixed frame 1 and the second fixed frame 2 are connected to a vertical rod 6. A floating plate 4 is provided on the vertical rod 6 through an adjustment structure. A buoyancy-enhancing structure is provided on the floating plate 4. An installation frame 5 is installed below the first fixed frame 1. A driving structure is provided in the middle below the first fixed frame 1. The installation frame 5 is provided with a flip structure.

[0033] The flip structure includes a first through slot 23 formed in the middle of the mounting frame 5. Second through slots 7 are formed on the four side walls of the first through slot 23. A rotating shaft is rotatably connected between the two side walls of the second through slot 7. Flip handles 9 are fixedly sleeved at both ends of the shaft. A detection structure is provided at the bottom end of each flip handle 9.

[0034] The detection structure includes a fixed cylinder 13 fixedly connected to the bottom end of the flip handle 9, a flip cylinder 3 is provided on the fixed cylinder 13 through a movable structure, an inner rod 11 is movably inserted into the fixed cylinder 13, a limiting structure is provided between the bottom end of the inner rod 11 and the lower inner wall of the flip cylinder 3, a pulling structure is provided between the top end of the inner rod 11 and the flip handle 9, a plurality of detection ports 10 are provided on the side of the fixed cylinder 13, the plurality of detection ports 10 are evenly spaced on the fixed cylinder 13, a plurality of detection cavities 12 are provided on the inner rod 11, the detection cavities 12 are below the detection ports 10, the plurality of detection cavities 12 are evenly spaced on the inner rod 11, and a detection probe is installed in the middle of the inner wall of the detection cavity 12;

[0035] The pulling structure includes two guide grooves 16 provided on the flip handle 9, in which a moving block 15 is slidably provided. The moving block 15 is connected to a pull-out strip 14 at the middle of one side of the fixed cylinder 13. The pull-out strip 14 moves through the flip handle 9, is inserted into the fixed cylinder 13, and one end of the pull-out strip 14 is connected to the inner rod 11. A transmission structure is provided between the moving block 15 and the mounting frame 5.

[0036] The transmission structure includes an insertion rod 17 connected to both ends of the moving block 15. A fan-shaped plate 18 is connected to both sides of each second through groove 7 below the mounting frame 5. A first arcuate groove 19 is provided on the fan-shaped plate 18. A connecting groove 20 connected to one end of the first arcuate groove 19 is provided on the fan-shaped plate 18. The connecting groove 20 is in a "Z" shape. A second arcuate groove 21 is provided on the fan-shaped plate 18. The second arcuate groove 21 is connected to one end of the connecting groove 20. The groove diameter of the second arcuate groove 21 is 0.6 times the groove diameter of the first arcuate groove 19. One end of the insertion rod 17 is movably inserted into the first arcuate groove 19.

[0037] The driving structure includes a driving column 22 that moves through the first through slot 23, a waterproof cylinder 25 is installed in the middle of the lower side of the first fixed frame 1, and a cylinder is installed in the waterproof cylinder 25. One end of the cylinder output shaft passes through the waterproof cylinder 25 and is connected to the driving column 22. A groove 24 is provided on the side of the driving column 22 near each second through slot 7. A gear 8 is fixedly sleeved in the middle of each rotating shaft, and teeth that mesh with the gear 8 are provided on the groove wall of the groove 24. During inspection, the flip cylinder 3 is inserted into the water area to be inspected, and the buoyancy of the float 4 is used to make the device float on the water surface. Then, the cylinder in the waterproof cylinder 25 is started to drive the driving column 22 to move downward in the first through slot 23 of the mounting frame 5, and the teeth in the groove 24 on the driving column 22 are used to drive the gear 8 and the rotating shaft to rotate as a whole, thereby expanding the gear 8. The turning cylinder 3 is opened, so that multiple turning cylinders 3 are turned and extended to different areas of the same water area. In the process of rotating and opening, the turning cylinder 3 drives one end of the insertion rod 17 to slide from the first arc groove 19 and the connecting groove 20 to the second arc groove 21, thereby driving the moving block 15 to slide in the guide groove 16 of the turning handle 9. The inner rod 11 is pulled by the pull-out strip 14 to move in the turning cylinder 3 toward the first fixed frame 1. When the insertion rod 17 slides into the second arc groove 21, the detection cavity 12 on the inner rod 11 is connected with the detection port 10 on the turning cylinder 3, so that water in the corresponding area enters the detection cavity 12, and the detection probe in the detection cavity 12 performs water quality detection, thereby realizing the simultaneous water quality detection of different areas of a certain water area and at different depths.

[0038] See also Figure 6-Figure 9 The movable structure includes a threaded sleeve 26 sleeved on the fixed cylinder 13, and the inner wall of the threaded sleeve 26 and the outer surface of the fixed cylinder 13 are provided with mutually matching threads. The bottom end of the threaded sleeve 26 is fixedly connected to the connecting cylinder 27, and the bottom end of the connecting cylinder 27 is fixedly connected to the connecting sleeve 28. The bottom end of the connecting sleeve 28 is rotatably connected to the top of the flip cylinder 3;

[0039] The limiting structure includes a limiting strip 29 connected to the bottom end of the inner rod 11, and a limiting tube 30 is connected to the middle of the lower inner wall of the flip cylinder 3. The bottom end of the limiting strip 29 is movably inserted into the limiting tube 30. The end faces of the limiting strip 29 and the limiting tube 30 are both square. When the flip cylinder 3 is rotated in the opposite direction to close and the device is pulled out of the water area, the threaded sleeve 26 can be rotated on the fixed cylinder 13 to drive the flip cylinder 3 to move on the fixed cylinder 13 through the connecting tube 27. When the detection port 10 on the flip cylinder 3 moves to the detection chamber 12, the water detected in the detection chamber 12 is directly discharged, which is convenient for the next use of the device. When the flip cylinder 3 moves, the movement of the limiting tube 30 on the limiting strip 29 is used to limit the movement of the flip cylinder 3 on the fixed cylinder 13, so that the movement of the flip cylinder 3 can smoothly connect the corresponding detection port 10 and the detection chamber 12.

[0040] See also Figure 2The buoyancy-enhancing structure includes a mounting groove provided on the side of the floating plate 4, each mounting groove is provided with an air bag 31, and an air nozzle 32 is provided at one end of the air bag 31;

[0041] The adjustment structure includes a lifting sleeve 34 fixed through the middle of the float plate 4, a screw 33 passing through the lifting sleeve 34, a thread is set on the inner wall of the lifting sleeve 34, the bottom end of the screw 33 is rotatably connected to the first fixed frame 1, the screw 33 is rotated through the top of the second fixed frame 2 and a turntable 35 is installed. The air bag 31 is inflated through the air nozzle 32, which can increase the buoyancy of the float plate 4 to prevent the device from sinking directly into the water. In addition, the screw 33 can be rotated by the turntable 35 according to the actual depth of the water area to be detected, and the lifting sleeve 34 drives the float plate 4 to move on the screw 33. By adjusting the distance between the float plate 4 and the first fixed frame 1, the insertion depth of the flip cylinder 3 can be flexibly adjusted according to the actual depth of the water area to be detected.

[0042] The implementation principle of a water quality detection device according to an embodiment of the present invention is as follows: first, air is inflated into the air bag 31 through the air nozzle 32, which can increase the buoyancy of the float plate 4 to prevent the device from sinking directly into the water, and the screw 33 can be rotated by the rotating wheel 35 according to the actual depth of the water area to be detected, and the lifting sleeve 34 drives the float plate 4 to move on the screw 33. By adjusting the distance between the float plate 4 and the first fixed frame 1, the insertion depth of the flip cylinder 3 can be flexibly adjusted according to the actual depth of the water area to be detected. Then, the flip cylinder 3 is inserted into the water area to be detected, and the buoyancy of the float plate 4 is used to make the device float on the water surface. Then, the cylinder in the waterproof cylinder 25 is started to drive the driving column 22 to move downward in the first through groove 23 of the mounting frame 5, and the gear 8 and the rotating shaft are driven to rotate as a whole by the teeth in the groove 24 on the driving column 22. When the turning cylinder 3 is opened, the multiple turning cylinders 3 are turned and extended to different areas of the same water area. In the process of rotating and opening, the turning cylinder 3 drives one end of the insertion rod 17 to slide from the first arc groove 19 and the connecting groove 20 to the second arc groove 21, thereby driving the moving block 15 to slide in the guide groove 16 of the turning handle 9, and the inner rod 11 is pulled by the pull-out strip 14 to move in the turning cylinder 3 toward the first fixed frame 1. When the insertion rod 17 slides into the second arc groove 21, the detection cavity 12 on the inner rod 11 is connected with the detection port 10 on the turning cylinder 3, so that the water in the corresponding area enters the detection cavity 12, and the detection probe in the detection cavity 12 performs water quality detection, thereby realizing the water quality detection work of different areas of a certain water area and at different depths at the same time. When the detection is completed, the turning cylinder 3 can be closed.

[0043] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A water quality detection device, comprising a first fixing frame (1) and a second fixing frame (2), characterized in that: The second fixed frame (2) is arranged directly above the first fixed frame (1); a vertical rod (6) is connected to the corner between the first fixed frame (1) and the second fixed frame (2); a floating plate (4) is provided on the vertical rod (6) through an adjustment structure; a floating structure is provided on the floating plate (4); a mounting frame (5) is installed below the first fixed frame (1); a driving structure is provided in the middle below the first fixed frame (1); and a flip structure is provided on the mounting frame (5); The flip structure comprises a first through slot (23) provided in the middle of the mounting frame (5), second through slots (7) provided on four side slot walls of the first through slot (23), a rotating shaft rotatably connected between the two side slot walls of the second through slot (7), a flip handle (9) fixedly sleeved at both ends of the rotating shaft, and a detection structure provided at the bottom end of each flip handle (9); The detection structure comprises a fixed cylinder (13) fixedly connected to the bottom end of the flip handle (9), a flip cylinder (3) is arranged on the fixed cylinder (13) through a movable structure, an inner rod (11) is movably inserted into the fixed cylinder (13), a limiting structure is arranged between the bottom end of the inner rod (11) and the lower inner wall of the flip cylinder (3), a pulling structure is arranged between the top end of the inner rod (11) and the flip handle (9), a plurality of detection ports (10) are opened on the side of the fixed cylinder (13), the plurality of detection ports (10) are evenly spaced on the fixed cylinder (13), a plurality of detection cavities (12) are opened on the inner rod (11), the detection cavities (12) are located below the detection ports (10), the plurality of detection cavities (12) are evenly spaced on the inner rod (11), and a detection probe is installed in the middle of the upper inner wall of the detection cavity (12).

2. A water quality detection device according to claim 1, characterized in that: The pulling structure includes two guide grooves (16) provided on the flip handle (9), a moving block (15) is slidably arranged in the guide groove (16), the moving block (15) is connected to a pulling strip (14) near the middle of one side of the fixed cylinder (13), the pulling strip (14) moves through the flip handle (9), and one end of the pulling strip (14) is inserted into the fixed cylinder (13) and connected to the inner rod (11), and a transmission structure is arranged between the moving block (15) and the mounting frame (5).

3. A water quality detection device according to claim 2, characterized in that: The transmission structure includes an insertion rod (17) connected to both ends of the moving block (15); a fan-shaped plate (18) is connected to both sides of each second through groove (7) below the mounting frame (5); a first arc-shaped groove (19) is provided on the fan-shaped plate (18); a connecting groove (20) connected to one end of the first arc-shaped groove (19) is provided on the fan-shaped plate (18); the connecting groove (20) is in a "Z" shape; a second arc-shaped groove (21) is provided on the fan-shaped plate (18); the second arc-shaped groove (21) is connected to one end of the connecting groove (20); the groove diameter of the second arc-shaped groove (21) is 0.6 times the groove diameter of the first arc-shaped groove (19); and one end of the insertion rod (17) is movably inserted into the first arc-shaped groove (19).

4. A water quality detection device according to claim 3, characterized in that: The driving structure includes a driving column (22) that moves through the first through slot (23), a waterproof cylinder (25) is installed in the middle of the lower side of the first fixed frame (1), a cylinder is installed in the waterproof cylinder (25), and one end of the cylinder output shaft passes through the waterproof cylinder (25) and is connected to the driving column (22), and a groove (24) is provided on the side of the driving column (22) near each second through slot (7), and a gear (8) is fixedly sleeved in the middle of each rotating shaft, and teeth that mesh with the gear (8) are provided on the groove wall of the groove (24).

5. A water quality detection device according to claim 1, characterized in that: The movable structure comprises a threaded sleeve (26) sleeved on the fixed cylinder (13), wherein the inner wall of the threaded sleeve (26) and the outer wall of the fixed cylinder (13) are provided with mutually matching threads, the bottom end of the threaded sleeve (26) is fixedly connected to the connecting cylinder (27), the bottom end of the connecting cylinder (27) is fixedly connected to the connecting sleeve (28), and the bottom end of the connecting sleeve (28) is rotatably connected to the top end of the flip cylinder (3).

6. A water quality detection device according to claim 1, characterized in that: The limiting structure includes a limiting strip (29) connected to the bottom end of the inner rod (11), a limiting cylinder (30) connected to the middle of the lower inner wall of the flip cylinder (3), the bottom end of the limiting strip (29) is movably inserted into the limiting cylinder (30), and the end faces of the limiting strip (29) and the limiting cylinder (30) are both square.

7. A water quality detection device according to claim 1, characterized in that: The buoyancy-enhancing structure comprises a mounting groove provided on a side surface of the floating plate (4), an air bag (31) being installed in each mounting groove, and an air nozzle (32) being provided at one end of the air bag (31).

8. A water quality detection device according to claim 1, characterized in that: The regulating structure comprises a lifting sleeve (34) fixedly passing through the middle of the floating plate (4), a screw rod (33) passing through the lifting sleeve (34), a thread being provided on the inner wall of the lifting sleeve (34), the bottom end of the screw rod (33) being rotatably connected to the first fixed frame (1), and the top end of the screw rod (33) being rotatably passed through the second fixed frame (2) to install a rotating wheel (35).

Citation Information

Patent Citations

  • Unmanned aerial vehicle device for detecting water quality

    CN115092394A

  • Water quality investigation sampling equipment capable of submerging on water surface

    CN116754314A

  • Aquaculture water quality detection sampling device

    CN119043812A

  • Water quality detection sampling device

    CN119269178A

  • Aluminum profile surface flatness detection equipment for new energy automobile

    CN119289928A