Water quality sampling device for detecting microorganisms in wastewater
By designing a water quality sampling device equipped with a motor, propeller and multiple sets of connected sampling cylinders, the problem of insufficient sampling flexibility in the prior art is solved, and the function of quickly collecting water samples from different depths is realized, and the diversity and accuracy of wastewater microbial detection is improved.
Patent Information
- Application Number
- CN202421653820.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-12
AI Technical Summary
The existing water quality sampling devices have low flexibility in collecting water samples of different depths, making it difficult to quickly and simultaneously sample, which affects the diversity and accuracy of wastewater microbial detection.
A water quality sampling device for microbial detection in wastewater was designed, using a float, equipped with a motor, propeller and multiple sets of connected sampling cylinders. The motor drives the rotor to drive the insertion rod, realize the synchronous rotation and rapid connection of multiple sampling cylinders, and realize the rapid sampling at different depths.
The device can quickly complete the sampling work of wastewater at different depths, improve the functionality and applicability of the water quality sampling device, and enhance the diversity and accuracy of wastewater microbial detection.
Smart Images

Figure CN222952043U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water quality sampling, in particular to a water quality sampling device for microbial detection in wastewater. Background Art
[0002] The water quality sampling device for microbial detection in wastewater is a device specially designed to collect and analyze the water quality of microbial contamination in wastewater. It usually includes a sampler and a corresponding analysis system. The sampler can extract samples from the wastewater flow to ensure that a representative sample is obtained. The analysis system processes and tests the collected samples, usually involving methods such as microbial culture and PCR technology, so as to quickly and accurately evaluate the types and quantities of microorganisms in the wastewater. This device plays an important role in the fields of environmental monitoring, sewage treatment and water quality assessment, helping to ensure that wastewater treatment meets safety and environmental standards.
[0003] A water quality sampling device disclosed in Chinese patent publication number CN214793944U has a turntable connected to a base through a rotating rod, so that the turntable can rotate around the rotating rod, which is convenient for adjusting the direction of the capstan on the turntable, so as to sink the sampling bucket into the water body from different positions on the water surface for sampling. However, the water quality sampling device has low flexibility in use, and it is not convenient to quickly and simultaneously sample water samples of different depths. The sampling results are single, which affects the diversity and accuracy of wastewater microbial detection. Utility Model Content
[0004] The utility model aims to provide a water quality sampling device for detecting microorganisms in wastewater, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water quality sampling device for microbial detection in wastewater, comprising a buoy, propellers are installed at the surrounding positions inside the buoy, a motor is installed at the middle position inside the buoy, a turntable is installed at the output shaft end of the motor, first insertion rods are evenly arranged at equal distances on the bottom end of the turntable, a first sampling cylinder is fixedly connected to the middle position of the bottom end of the buoy, first through grooves are arranged at both ends of one side of the outside of the first sampling cylinder, an inner cylinder is rotatably connected to the middle position inside the first sampling cylinder, a connecting ring is fixedly connected to the bottom end of the first sampling cylinder, and a second sampling cylinder is installed at the middle position of the bottom end of the first sampling cylinder.
[0006] Preferably, the top end of the outer portion of the inner cylinder is fixedly connected to a limit plate rotating inside the first sampling cylinder, and the top end of the inner cylinder is evenly and equidistantly provided with insertion holes for inserting with the first insertion rod.
[0007] Preferably, the bottom end of the inner cylinder is evenly and evenly fixedly connected with a second insertion rod, and second through grooves are provided at both ends of one side of the outer side of the inner cylinder.
[0008] Preferably, positioning grooves are provided on both sides of the interior of the connecting ring, and an annular groove which is plugged into the connecting ring is provided at the middle position of the top end of the second sampling cylinder.
[0009] Preferably, a pull rod is slidably connected to the middle position of the top end of one side of the second sampling cylinder, and a movable block is fixedly connected to one side of the pull rod.
[0010] Preferably, a spring is fixedly connected to one side of the movable block, and a positioning rod engaged with the positioning groove is fixedly connected to the side of the movable block away from the spring.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The water quality sampling device for detecting microorganisms in wastewater is provided with a motor installed at the middle position inside the buoy, and the first plug rod on the turntable at the bottom of the motor is inserted into the plug hole on the inner cylinder of the first sampling cylinder. When the motor is started, the inner cylinder in the first sampling cylinder can be driven to rotate, and at the same time, the second plug rod at the bottom of the inner cylinder is inserted into the plug hole at the top of the inner cylinder of the second sampling cylinder. Then, the inner cylinder can drive the inner cylinder inside the second sampling cylinder to rotate synchronously. When the first sampling cylinder and multiple groups of second sampling cylinders penetrate into the wastewater to be sampled, the second through groove on the inner cylinder can be aligned with the first through groove on the first sampling cylinder and the second sampling cylinder through the rotation of the inner cylinder. At this time, the water can quickly enter the inner cylinders in the first sampling cylinder and the second sampling cylinder, and the second through groove is staggered with the first through groove through the rotation of the inner cylinder. Then, the sampled water can be retained in the inner cylinders in the first sampling cylinder and the second sampling cylinder. The operation is simple and convenient, and the wastewater sampling work at different depths can be completed quickly, thereby improving the overall functionality of the water quality sampling device.
[0013] 2. This water quality sampling device for microbial detection in wastewater has a connecting ring fixedly connected to the bottom end of the first sampling cylinder. When the connecting ring is inserted into the annular groove at the top end of the second sampling cylinder, and the positioning rod in the second sampling cylinder is inserted into the positioning groove on the connecting ring, the connection between the first sampling cylinder and the second sampling cylinder can be completed. Similarly, the same type of second sampling cylinders can be quickly connected to facilitate the rapid assembly and sampling of multiple groups of second sampling cylinders according to the actual water quality sampling depth requirements, thereby improving the overall applicability of the water quality sampling device. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 This is a front view structural schematic diagram of the utility model;
[0016] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;
[0017] Figure 4 It is a schematic diagram of the overall structure of the inner cylinder of the utility model.
[0018] In the figure: 1. buoy; 101. propeller; 2. motor; 201. turntable; 202. first plug rod; 3. first sampling cylinder; 301. first through slot; 4. inner cylinder; 401. limit plate; 402. plug hole; 403. second plug rod; 404. second through slot; 5. connecting ring; 501. positioning slot; 6. second sampling cylinder; 601. annular slot; 7. pull rod; 701. movable block; 702. spring; 703. positioning rod. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-4 , the utility model provides two technical solutions:
[0021] Embodiment 1
[0022] A water quality sampling device for detecting microorganisms in wastewater, comprising a buoy 1, propellers 101 are installed at the surrounding positions inside the buoy 1, a motor 2 is installed at the middle position inside the buoy 1, a turntable 201 is installed at the output shaft end of the motor 2, and first plug rods 202 are evenly arranged at the bottom end of the turntable 201, a first sampling cylinder 3 is fixedly connected to the middle position of the bottom end of the buoy 1, first through grooves 301 are arranged at both ends of one side of the outside of the first sampling cylinder 3, an inner cylinder 4 is rotatably connected to the middle position inside the first sampling cylinder 3, and the bottom end of the first sampling cylinder 3 is fixedly connected to the inner cylinder 4. It is fixedly connected with a connecting ring 5, a second sampling cylinder 6 is installed in the middle position of the bottom end of the first sampling cylinder 3, and propellers 101 are installed around the buoy 1. The propellers 101 are driven by the internal motor to rotate, so that the water quality sampling device can be moved. At the same time, the motor 2 in the buoy 1 is started, and the inner cylinder 4 inside the first sampling cylinder 3 can be driven to rotate through the first plug rod 202 at the bottom of the turntable 201, and the connecting surfaces of the first sampling cylinder 3 and the inner cylinder 4 are provided with rubber pads to increase the sealing of the connection between the first sampling cylinder 3 and the inner cylinder 4.
[0023] The top end of the outer side of the inner cylinder 4 is fixedly connected to a limiting plate 401 rotating inside the first sampling cylinder 3, and the top end of the inner cylinder 4 is evenly and equidistantly provided with insertion holes 402 for inserting with the first insertion rod 202, and the bottom end of the inner cylinder 4 is evenly and equidistantly fixedly connected with the second insertion rod 403, and second through grooves 404 are provided at both ends of one side of the outer side of the inner cylinder 4. The limiting plate 401 can play an auxiliary role in limiting the inner cylinder 4 in the first sampling cylinder 3 or the second sampling cylinder 6, and a second through groove 404 is provided on the inner cylinder 4 for collecting water, and the top and bottom ends of the inner cylinder 4 are respectively provided with a hole 402 and a second insertion rod 403, so as to facilitate the insertion of similar inner cylinders 4.
[0024] Embodiment 2
[0025] The main difference from the first embodiment is:
[0026] A water quality sampling device for detecting microorganisms in wastewater, wherein positioning grooves 501 are arranged on both sides of the interior of a connecting ring 5, and an annular groove 601 which is plugged into the connecting ring 5 is arranged in the middle position of the top end of a second sampling cylinder 6. The internal specifications of the second sampling cylinder 6 are the same as those of the first sampling cylinder 3. The connecting ring 5 at the bottom end of the first sampling cylinder 3 is inserted into the annular groove 601 at the top end of the second sampling cylinder 6, and at the same time, the positioning rod 703 in the second sampling cylinder 6 is inserted into the positioning groove 501 on the connecting ring 5, thereby completing the connection work between the first sampling cylinder 3 and the second sampling cylinder 6 or the same second sampling cylinder 6.
[0027] A pull rod 7 is slidably connected to the middle position of the top end of one side of the second sampling cylinder 6, and a movable block 701 is fixedly connected to one side of the pull rod 7, and a spring 702 is fixedly connected to one side of the movable block 701, and a positioning rod 703 that is inserted into the positioning groove 501 is fixedly connected to the side of the movable block 701 away from the spring 702. When the pull rod 7 is pulled, the pull rod 7 can squeeze the spring 702 through the movable block 701, and the movable block 701 can drive the positioning rod 703 to move. When the pull rod 7 is released, the positioning rod 703 can be pushed to reset through the movable block 701 due to the reaction force of the spring 702 being squeezed. At the same time, the contents not described in detail in this specification belong to the existing technology known to those skilled in the art.
[0028] When the embodiment of the present application is in use: the pull rod 7 on the second sampling cylinder 6 is pulled, and the pull rod 7 can drive the positioning rod 703 to be retracted into the interior of the second sampling cylinder 6 through the movable block 701. At this time, the connecting ring 5 at the bottom of the first sampling cylinder 3 is inserted into the annular groove 601 on the second sampling cylinder 6, and the positioning rod 703 on the second sampling cylinder 6 is inserted into the positioning groove 501 on the connecting ring 5. Then, the connection between the first sampling cylinder 3 and the second sampling cylinder 6 can be completed. Similarly, the connection between the same type of second sampling cylinders 6 can be carried out. At this time, the water quality sampling device is placed in the wastewater to be sampled, and the first insertion rod 202 can be driven to rotate through the turntable 201 by starting the motor 2. At this time, the first insertion rod 202 can drive the first sampling cylinder 3 and the inner cylinder 4 in the second sampling cylinder 6 to rotate synchronously, so that the second through groove 404 on the inner cylinder 4 can be aligned with the first through groove 301 on the first sampling cylinder 3 and the second sampling cylinder 6. At this time, the wastewater can enter the interior of the inner cylinder 4 through the second through groove 404, and through the rotation of the inner cylinder 4, the second through groove 404 can be staggered with the first through groove 301, thereby completing the sampling and collection of the wastewater.
[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A water quality sampling device for detecting microorganisms in wastewater, comprising a buoy (1), characterized in that: Propellers (101) are installed at positions around the inside of the buoy (1), a motor (2) is installed at a middle position inside the buoy (1), a turntable (201) is installed at the output shaft end of the motor (2), and first plug rods (202) are evenly arranged at equal distances at the bottom end of the turntable (201), a first sampling cylinder (3) is fixedly connected to the middle position of the bottom end of the buoy (1), first through grooves (301) are arranged at both ends of one side of the outside of the first sampling cylinder (3), an inner cylinder (4) is rotatably connected to the middle position inside the first sampling cylinder (3), a connecting ring (5) is fixedly connected to the bottom end of the first sampling cylinder (3), and a second sampling cylinder (6) is installed at the middle position of the bottom end of the first sampling cylinder (3); The top end of the inner cylinder (4) is fixedly connected to a limit plate (401) that rotates inside the first sampling cylinder (3), and the top end of the inner cylinder (4) is evenly and equidistantly provided with insertion holes (402) that are inserted into the first insertion rod (202); A second insertion rod (403) is evenly and evenly fixedly connected to the bottom end of the inner cylinder (4), and second through grooves (404) are provided at both ends of one side of the outer portion of the inner cylinder (4).
2. A water quality sampling device for detecting microorganisms in wastewater according to claim 1, characterized in that: Positioning grooves (501) are provided on both sides of the interior of the connecting ring (5), and an annular groove (601) for inserting into the connecting ring (5) is provided at the middle position of the top end of the second sampling cylinder (6).
3. A water quality sampling device for detecting microorganisms in wastewater according to claim 1, characterized in that: A pull rod (7) is slidably connected to the middle position of the top end of one side of the second sampling cylinder (6), and a movable block (701) is fixedly connected to one side of the pull rod (7).
4. A water quality sampling device for detecting microorganisms in wastewater according to claim 3, characterized in that: A spring (702) is fixedly connected to one side of the movable block (701), and a positioning rod (703) inserted into the positioning groove (501) is fixedly connected to the side of the movable block (701) away from the spring (702).
Citation Information
Patent Citations
Water quality sampling device
CN214793944U