Water quality sampling device

Abstract

The application belongs to the technical field of water quality sampling, and particularly relates to a water quality sampling device, which comprises a sampling cylinder, a fixed block is symmetrically and fixedly installed at the inside bottom end of the sampling cylinder, a spring is fixedly installed at the middle part of the fixed block, a connecting block is fixedly installed at the end of the spring away from the fixed block, a sleeve is threadedly connected to the circumferential surface of the connecting block, a bearing is fixedly installed on the upper end of the circumferential surface of the sleeve, and a connecting ring is rotatably installed on the upper end of the circumferential surface of the sleeve through the bearing. In the utility model, the staff puts the sampling cylinder into water, then presses the sealing plate at the bottom of the sampling cylinder, lets the sealing plate extrude the spring through the threadedly connected connecting block in the sleeve, simultaneously lets the water flow into the inside of the sampling cylinder from the opening end of the sampling cylinder, lets the gravity of the sampling cylinder be greater than the buoyancy of the water, so that the sampling cylinder sinks into the bottom of the water, and then the water on the upper end of the sealing plate is filtered into the water storage groove from the filtering holes.

Description

Technical Field

[0001] This utility model relates to the field of water quality sampling technology, specifically to a water quality sampling device. Background Technology

[0002] Water is an essential substance in our daily lives. Whether it is drinking water, industrial water, or irrigation water, it needs to be tested by relevant departments or units to ensure that drinking water meets the requirements for healthy drinking and that industrial wastewater meets the discharge standards. In order to ensure safe water use, it is usually necessary to regularly sample and test the water quality, which requires the use of appropriate sampling devices.

[0003] Existing water sampling devices require tools to hold them submerged in water for extended periods to prevent them from floating and affecting sampling efficiency. Alternatively, heavy counterweights can be placed on the device to help it sink, resulting in significant resistance when pulling it up after sampling, which takes considerable time and effort. Furthermore, the filters on these devices are easily clogged by aquatic plants, mud, and other impurities, further reducing sampling efficiency. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a water quality sampling device.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A water sampling device includes a sampling cylinder. A fixing block is symmetrically fixedly installed on the bottom of the sampling cylinder. A spring is fixedly installed in the middle of the fixing block. A connecting block is fixedly installed at the end of the spring away from the fixing block. A sleeve is threaded onto the circumferential surface of the connecting block. A bearing is fixedly installed on the upper end of the circumferential surface of the sleeve. A connecting ring is rotatably installed on the upper circumferential surface of the sleeve via the bearing. A sealing plate is movably installed inside the sampling cylinder. The top end of the connecting ring is fixedly installed at the bottom end of the sealing plate. A water storage tank is formed inside the side wall of the sampling cylinder. Filter holes are evenly distributed on the inner wall of the sampling cylinder. The water storage tank is connected to the sampling cylinder through the filter holes. Connecting ears are fixedly installed on the left and right sides of the upper end of the circumferential surface of the sampling cylinder.

[0007] Preferably, a motor housing is fixedly installed at the center of the bottom of the sampling cylinder, and a waterproof motor is fixedly installed in the motor housing. A coupling is fixedly installed on the output shaft of the waterproof motor, and a rotating rod is fixedly connected to the waterproof motor via the coupling. Guide grooves are symmetrically formed on the left and right sides of the circumferential surface of the rotating rod. A movable block is movably fitted onto the circumferential surface of the rotating rod. Limit blocks are fixedly installed on the left and right sides of the inner wall of the movable block, and the limit blocks are movably installed within the movable block. A fixing ring is fixedly installed at the center of the upper surface of the sealing plate, and the fixing ring is movably fitted onto the circumferential surface of the rotating rod. A rotating block is fixedly installed at the bottom of the movable block, and a rotating groove is formed inside the upper end of the fixing ring, in which the rotating block is rotatably installed. Fixed rods are symmetrically fixed on both sides of the circumference of the movable block. A brush plate is fixedly installed at the end of the fixed rod away from the movable block, and the side of the brush plate away from the fixed rod is in contact with the inner wall of the sampling tube. When the sampling tube is sampling water quality and the filter holes are blocked by impurities such as aquatic plants and mud, the waterproof motor is started, which drives the movable block to rotate via the rotating rod. As the movable block rotates, the fixed rod rotates, and the fixed rod drives the brush plate to clean the filter holes. At the same time, as the sealing plate rises, the movable block moves via the rotating block mounted on the fixed ring, allowing the brush plate to clean the filter holes more thoroughly, thus ensuring the filtration effect of the filter holes and the sampling efficiency of the sampling tube.

[0008] Preferably, a counterweight is fixedly installed at the bottom of the sampling tube; this allows the counterweight to keep the sampling tube in a vertical position, thereby enabling the sampling tube to perform water quality sampling more stably.

[0009] Preferably, the diameter of the sealing plate is the same as the inner diameter of the sampling tube; this can reduce the gap between the sealing plate and the sampling tube, thereby preventing unfiltered water from flowing from between the sealing plate and the sampling tube to the bottom of the sealing plate during water quality sampling, thus affecting the water quality test results.

[0010] Preferably, the cross-sectional dimensions of the guide groove are the same as those of the limiting block; this allows the limiting block to move more stably in the guide groove, thereby allowing the movable block to move more stably along the rotating rod with the brush plate, ensuring the efficiency of the brush plate.

[0011] Preferably, the vertical cross-sectional dimensions of the rotating block are the same as those of the rotating groove; this reduces the gap between the rotating block and the rotating groove, allowing the fixed ring to move the movable block more stably.

[0012] In view of this, compared with the prior art, the beneficial effects of this utility model are:

[0013] (I) In this application, the staff puts the sampling tube into the water and then presses the sealing plate at the bottom of the sampling tube. The sealing plate squeezes the spring through the connecting block connected by the internal thread of the sleeve. At the same time, water flows quickly into the interior of the sampling tube from the open end, so that the weight of the sampling tube is greater than the buoyancy of the water, thus causing the sampling tube to sink to the bottom of the water. Then, the water at the top of the sealing plate is gradually filtered from the filter hole into the water storage tank, and then flows from the filter hole into the bottom of the sealing plate. Then, the sealing plate gradually moves upward under the action of the spring until it is stable. Then, the sampling tube is pulled upward by the rope connected to the connecting lug to reduce the resistance of pulling, thereby completing the water quality sampling and ensuring sampling efficiency.

[0014] (II) In this application, when the sampling tube is used for water quality sampling and the filter holes are blocked by impurities such as aquatic plants and mud, the waterproof motor is started, and the waterproof motor drives the movable block to rotate through the rotating rod. Then, the movable block rotates the fixed rod, and the fixed rod drives the brush plate to clean the filter holes. At the same time, as the sealing plate rises, the movable block moves through the rotating block installed on the fixed ring, so that the brush plate can clean the filter holes more thoroughly, thereby ensuring the filtration effect of the filter holes and ensuring the sampling efficiency of the sampling tube. Attached Figure Description

[0015] Figure 1 The figure shown is a schematic diagram of the overall structure provided by this utility model;

[0016] Figure 2 The figure shown is a schematic cross-sectional view of the present invention.

[0017] Figure 3 The figure shown is a top sectional view of the present invention.

[0018] Figure 4 The image shown is an enlarged schematic diagram of part A provided by this utility model;

[0019] Figure 5 The image shown is an enlarged schematic diagram of part B provided by this utility model.

[0020] Icons: 1. Sampling cylinder; 2. Fixing block; 3. Spring; 4. Connecting block; 5. Sleeve; 6. Connecting ring; 7. Sealing plate; 8. Water storage tank; 9. Filter hole; 10. Connecting ear; 11. Motor box; 12. Waterproof motor; 13. Rotating rod; 14. Guide groove; 15. Movable block; 16. Limiting block; 17. Fixing ring; 18. Rotating block; 19. Rotating groove; 20. Fixing rod; 21. Brush plate; 22. Counterweight. Detailed Implementation

[0021] 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.

[0022] Please see Figure 1-5 The present invention provides the following embodiments:

[0023] A water sampling device includes a sampling cylinder 1. Fixing blocks 2 are symmetrically fixed to the bottom of the sampling cylinder 1. A spring 3 is fixedly installed in the middle of the fixing blocks 2. A connecting block 4 is fixedly installed at the end of the spring 3 away from the fixing blocks 2. A sleeve 5 is threaded onto the circumferential surface of the connecting block 4. A bearing is fixedly installed at the upper end of the circumferential surface of the sleeve 5. A connecting ring 6 is rotatably installed on the upper circumferential surface of the sleeve 5 via the bearing. A sealing plate 7 is movably installed inside the sampling cylinder 1. The top end of the connecting ring 6 is fixedly installed at the bottom end of the sealing plate 7. A water storage tank 8 is formed inside the side wall of the sampling cylinder 1. Filter holes 9 are evenly distributed on the inner wall of the sampling cylinder 1. The water storage tank 8 is connected to the sampling cylinder 1 through the filter holes 9. Connecting lugs are fixedly installed on the left and right sides of the upper end of the circumferential surface of the sampling cylinder 1. 10; The staff puts the sampling tube 1 into the water, and then presses the sealing plate 7 at the bottom of the sampling tube 1. The sealing plate 7 squeezes the spring 3 through the connecting block 4 connected by the internal thread of the sleeve 5. At the same time, water flows quickly into the interior of the sampling tube 1 from the open end. Then, the weight of the water presses the sealing plate 7, so that the weight of the sampling tube 1 is greater than the buoyancy of the water, thus causing the sampling tube 1 to sink to the bottom of the water. Then, the water at the top of the sealing plate 7 is gradually filtered from the filter hole 9 into the water storage tank 8, and then flows from the filter hole 9 back to the bottom of the sealing plate 7. Then, the sealing plate 7 gradually moves upward under the action of the spring 3 until it is stable. Then, the sampling tube 1 is pulled upward by the rope connected to the connecting ear 10, thus completing the water sampling.

[0024] Specifically, a motor housing 11 is fixedly installed in the middle of the bottom of the sampling cylinder 1. A waterproof motor 12 is fixedly installed in the motor housing 11. A coupling is fixedly installed on the output shaft of the waterproof motor 12. A rotating rod 13 is fixedly connected to the waterproof motor 12 through the coupling. Guide grooves 14 are symmetrically opened on the left and right sides of the circumferential surface of the rotating rod 13. A movable block 15 is movably sleeved on the circumferential surface of the rotating rod 13. Limiting blocks 16 are fixedly installed on the left and right sides of the inner wall of the movable block 15. The limiting blocks 16 are movably installed in the movable block 15. A fixing ring 17 is fixedly installed in the middle of the upper surface of the sealing plate 7. The fixing ring 17 is movably sleeved on the circumferential surface of the rotating rod 13. A rotating block 18 is fixedly installed at the bottom of the movable block 15. A rotating groove 19 is opened inside the upper end of the fixing ring 17. The rotating block 18 is rotatably installed in the rotating groove 19. Fixed rods 20 are symmetrically fixed on both sides of the sampling tube 1. A brush plate 21 is fixedly installed on the end of the fixed rod 20 away from the movable block 15. The side of the brush plate 21 away from the fixed rod 20 is in contact with the inner wall of the sampling tube 1. When the sampling tube 1 is sampling water quality, if the filter hole 9 is blocked by impurities such as aquatic plants and mud, the waterproof motor 12 is started. The waterproof motor 12 rotates the movable block 15 through the rotating rod 13. Then, the movable block 15 rotates and the fixed rod 20 rotates. The fixed rod 20 then cleans the filter hole 9 with the brush plate 21. At the same time, as the sealing plate 7 rises, the movable block 15 moves through the rotating block 18 installed on the fixed ring 17, so that the brush plate 21 can clean the filter hole 9 more thoroughly, thereby ensuring the filtration effect of the filter hole 9 and ensuring the sampling efficiency of the sampling tube 1.

[0025] Specifically, a counterweight 22 is fixedly installed at the bottom of the sampling tube 1; by fixing the counterweight 22 at the bottom of the sampling tube 1, the counterweight 22 can keep the sampling tube 1 in a vertical position, thereby making the sampling tube 1 more stable for water quality sampling.

[0026] Specifically, the diameter of the sealing plate 7 is the same as the inner diameter of the sampling cylinder 1. Making the diameter of the sealing plate 7 the same as the inner diameter of the sampling cylinder 1 can reduce the gap between the sealing plate 7 and the sampling cylinder 1, thereby preventing unfiltered water from flowing from between the sealing plate 7 and the sampling cylinder 1 to the bottom of the sealing plate 7 during the water quality sampling process.

[0027] Specifically, the cross-sectional dimensions of the guide groove 14 are the same as those of the limiting block 16. By making the cross-sectional dimensions of the guide groove 14 and the limiting block 16 the same, the limiting block 16 can move more stably in the guide groove 14, thereby allowing the movable block 15 to move more stably along the rotating rod 13 with the brush plate 21.

[0028] Specifically, the vertical cross-sectional dimensions of the rotating block 18 are the same as those of the rotating groove 19. By making the vertical cross-sectional dimensions of the rotating block 18 and the rotating groove 19 the same, the gap between the rotating block 18 and the rotating groove 19 can be reduced, thereby allowing the fixed ring 17 to move the movable block 15 more stably.

[0029] The working principle of this utility model is as follows: The operator places the sampling cylinder 1 into the water and then presses the sealing plate 7 against the bottom of the sampling cylinder 1. The sealing plate 7, through the connecting block 4 connected to the internal thread of the sleeve 5, compresses the spring 3. Simultaneously, water rapidly flows into the sampling cylinder 1 from its open end. The weight of the water presses down on the sealing plate 7, making the weight of the sampling cylinder 1 greater than the buoyancy of the water, causing it to sink to the bottom. Water at the top of the sealing plate 7 gradually filters through the filter holes 9 into the water storage tank 8, and then flows back to the bottom of the sealing plate 7. Under the action of the spring 3, the sealing plate 7 gradually moves upward until it stabilizes, and then the sampling cylinder 1 is used for water sampling. During the process, when the filter holes 9 are clogged by impurities such as aquatic plants and mud, the waterproof motor 12 is started, causing the movable block 15 to rotate via the rotating rod 13. As the movable block 15 rotates, the fixed rod 20 rotates as well. The fixed rod 20 then cleans the filter holes 9 with the brush plate 21. At the same time, as the sealing plate 7 rises, the movable block 15 moves via the rotating block 18 mounted on the fixed ring 17, allowing the brush plate 21 to clean the filter holes 9 more thoroughly, thus ensuring the filtration effect of the filter holes 9 and the sampling efficiency of the sampling tube 1. Then, the sampling tube 1 is pulled upwards by the rope connected to the connecting ear 10, thereby completing the water sampling.

[0030] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0031] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A water sampling device, comprising a sampling tube (1), characterized in that: The sampling tube (1) has a fixed block (2) symmetrically fixed at the bottom of the inside. A spring (3) is fixedly installed in the middle of the fixed block (2). A connecting block (4) is fixedly installed at the end of the spring (3) away from the fixed block (2). A sleeve (5) is threadedly connected to the circumferential surface of the connecting block (4). A bearing is fixedly installed at the upper end of the circumferential surface of the sleeve (5). A connecting ring (6) is rotatably installed on the upper circumferential surface of the sleeve (5) through the bearing. A sealing plate (7) is movably installed inside the sampling tube (1). The top end of the connecting ring (6) is fixedly installed at the bottom end of the sealing plate (7). A water storage tank (8) is opened inside the side wall of the sampling tube (1). Filter holes (9) are evenly clamped on the inner wall of the sampling tube (1). The water storage tank (8) is connected to the sampling tube (1) through the filter holes (9). Connecting ears (10) are fixedly installed on the left and right sides of the upper end of the circumferential surface of the sampling tube (1).

2. The water quality sampling device according to claim 1, characterized in that: A motor housing (11) is fixedly installed in the middle of the bottom of the sampling cylinder (1). A waterproof motor (12) is fixedly installed in the motor housing (11). A coupling is fixedly installed on the output shaft of the waterproof motor (12). The waterproof motor (12) is fixedly connected to a rotating rod (13) through the coupling. Guide grooves (14) are symmetrically opened on the left and right sides of the circumferential surface of the rotating rod (13). A movable block (15) is movably sleeved on the circumferential surface of the rotating rod (13). Limiting blocks (16) are fixedly installed on the left and right sides of the inner wall of the movable block (15). The limiting blocks (16) are movably installed in the movable block (15). The sealing plate (7) A fixing ring (17) is fixedly installed in the middle of the upper surface of the sample tube (13). The fixing ring (17) is movably sleeved on the circumferential surface of the rotating rod (13). A rotating block (18) is fixedly installed at the bottom end of the movable block (15). A rotating groove (19) is opened inside the upper end of the fixing ring (17). The rotating block (18) is rotatably installed in the rotating groove (19). Fixing rods (20) are symmetrically fixedly installed on the left and right sides of the circumferential surface of the movable block (15). A brush plate (21) is fixedly installed at the end of the fixing rod (20) away from the movable block (15). The side of the brush plate (21) away from the fixing rod (20) is in contact with the inner wall of the sampling tube (1).

3. The water quality sampling device according to claim 1, characterized in that: A counterweight (22) is fixedly installed at the bottom of the sampling tube (1).

4. A water quality sampling device according to claim 1, characterized in that: The diameter of the sealing plate (7) is the same as the inner diameter of the sampling cylinder (1).

5. A water quality sampling device according to claim 2, characterized in that: The cross-sectional dimensions of the guide groove (14) are the same as those of the limiting block (16).

6. A water quality sampling device according to claim 2, characterized in that: The vertical cross-sectional dimensions of the rotating block (18) are the same as those of the rotating groove (19).

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