A water quality detection sampling device with adjustable depth
By designing a depth-adjustable water quality testing sampling device, the problems of easy interference with sampling devices and cumbersome sampling were solved, achieving stable and rapid water sample acquisition and simplified storage, thus improving sampling efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 安徽省蚌埠生态环境监测中心
- Filing Date
- 2025-06-06
- Publication Date
- 2026-07-31
AI Technical Summary
Existing water quality testing and sampling devices are easily damaged by interference from branches, rocks, etc. in complex environments. The sampling process is cumbersome and requires additional containers to store water samples.
A depth-adjustable water quality testing sampling device was designed, comprising an adjustable-length sampling rod, a filter assembly, an infusion assembly, and a sample storage bottle. The device utilizes a flow guiding assembly and a spiral conveyor to accelerate sampling, while the filter assembly prevents large-volume substances from entering. After sampling, the sample storage bottle can be directly removed for storage.
It enables stable sampling in complex environments, avoids device damage, simplifies the sampling process, improves sampling speed and efficiency, and eliminates the need for additional containers to store water samples.
Smart Images

Figure CN224581179U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water quality testing, and more specifically, to a depth-adjustable water quality testing sampling device. Background Technology
[0002] With the acceleration of global industrialization, the increase in urbanization, and population growth, water pollution has become increasingly serious, and water quality safety has become a global concern. Water pollution not only threatens the safety of drinking water for humans but also has a profound impact on the ecological environment. Therefore, water quality testing has become an important means of water environment protection, public health security, and sustainable use of water resources. Water quality testing sampling devices are used to collect samples from water bodies for subsequent water quality testing and analysis. Water quality testing sampling devices are commonly used in environmental monitoring, water treatment plants, laboratories, and other fields to assess various water quality indicators, such as pH value, dissolved oxygen, turbidity, heavy metal concentration, and bacterial content.
[0003] The sampling device involves lowering a sampling rod into the water and then obtaining the water source through a sampling container. Due to the diverse working environment, tree branches and rocks often interfere with the sampling process, sometimes even damaging the sampler. After sampling, the water source needs to be poured out of the sampler for preservation, making the sampling process quite cumbersome. Utility Model Content
[0004] The purpose of this invention is to provide a depth-adjustable water quality testing and sampling device to solve the technical problems existing in the background art.
[0005] This utility model provides a depth-adjustable water quality testing and sampling device, including a sampling rod and a sampling mechanism connected to the sampling rod;
[0006] The sampling mechanism includes a filter assembly, an infusion assembly connected to the filter assembly, and a sample storage bottle detachably connected to the infusion assembly. The inlet end of the infusion assembly extends into the filter assembly. The infusion assembly includes an infusion tube and a flow guiding assembly located inside the infusion tube. The sample storage bottle is connected to the infusion tube.
[0007] In a preferred embodiment, the filtration assembly includes a filter barrel and filter screens located at the upper and lower ends of the filter barrel, the filter screens being detachably mounted on the filter barrel.
[0008] In a preferred embodiment, a support plate is provided inside the filter barrel, the filter screen is supported by the support plate, and the filter screen is connected to the support plate by bolts.
[0009] In a preferred embodiment, the infusion tube is T-shaped, and the portion located inside the filter tank is equipped with an electric valve.
[0010] In a preferred embodiment, the outlet portion of the infusion tube is provided with a threaded interface, and the sample storage bottle is threadedly connected to the outlet portion of the infusion tube.
[0011] In a preferred embodiment, the flow guiding assembly includes a drive motor and a spiral conveyor connected to the output end of the drive motor, the spiral conveyor being located inside the infusion tube.
[0012] In a preferred embodiment, the sampling rod includes a first rod, a second rod inserted into the first rod, and a threaded fixing part for fixing the first rod and the second rod.
[0013] The beneficial effects of this utility model's technical solution are:
[0014] The filtration system in this solution effectively prevents larger objects from interfering with subsequent sampling. A flow guide assembly, utilizing the rotation of a spiral conveyor, accelerates the flow of water samples into the storage bottle, thereby increasing sampling speed. After sampling, the storage bottle is detached from the infusion assembly and then resealed; no additional container is needed for water sample storage. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0016] Figure 2 This is a schematic diagram of the overall structure of the sampling mechanism of this utility model.
[0017] Figure 3 This is a structural disassembly diagram of the sampling structure of this utility model.
[0018] Explanation of reference numerals in the attached drawings: 1 Sampling rod, 2 Rod I, 3 Rod II, 4 Threaded fixing part, 5 Filter bucket, 6 Filter screen, 7 Support plate, 8 Infusion tube, 9 Electric valve, 10 Sample storage bottle, 11 Drive motor, 12 Screw conveyor, 13 Operation panel. Detailed Implementation
[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose.
[0020] like Figures 1-3 As shown, the present invention provides a depth-adjustable water quality testing and sampling device, including a sampling rod 1 and a sampling mechanism connected to the sampling rod 1. The length of the sampling rod 1 can be adjusted to ensure that the sampling mechanism can be inserted into the water for sampling.
[0021] The sampling rod 1 includes a rod body 2, a rod body 3 inserted into the rod body 2, and a threaded fixing part 4 for fixing the rod body 2 and the rod body 3. A part of the rod body 3 is located inside the rod body 2 and can extend or retract from the rod body 2. After adjusting to a suitable length, the two can be fastened by the threaded fixing part 4.
[0022] The sampling mechanism includes a filter assembly, an infusion assembly connected to the filter assembly, and a sample storage bottle 10 detachably connected to the infusion assembly. The inlet end of the infusion assembly extends into the filter assembly. The infusion assembly includes an infusion tube 8 and a flow guiding assembly located inside the infusion tube 8. The sample storage bottle 10 is connected to the infusion tube 8.
[0023] In the above scheme, the filtration component can isolate larger objects, preventing them from affecting subsequent sampling. The filtered water sample is then transferred to the storage bottle 10 via the infusion assembly. During infusion, the liquid first enters the infusion tube 8 and is guided to the storage bottle 10 by the flow guiding component within the infusion tube 8, thereby improving the sampling speed. After sampling, the storage bottle 10 is removed from the infusion assembly and then the bottle is tightly closed to complete the sampling process; no additional container is needed for water sample storage.
[0024] The filtration assembly includes a filter bucket 5 and filter screens 6 located at the upper and lower ends of the filter bucket 5. The filter screens 6 are detachably mounted on the filter bucket 5. A support plate 7 is provided inside the filter bucket 5, and the filter screens 6 are supported by the support plate 7 and connected to the support plate 7 by bolts. The presence of filter screens 6 at both the upper and lower ends of the filter bucket 5 ensures that the water sample entering the filter bucket 5 does not contain large-volume objects such as branches, stones, or plastic bags, thus preventing blockage of the infusion tube 8. The filter screens 6 are detachable for cleaning, and their detachable design also facilitates the installation of internal components.
[0025] The infusion tube 8 is T-shaped, and the part located inside the filter bucket 5 is equipped with an electric valve 9. When sampling, the sampling operation is started by switching on the operation panel 13 on the sampling rod body 1. Then the electric valve 9 opens the channel of the infusion tube 8, the flow guiding component is activated, and the water sample is transported to the sample storage bottle 10.
[0026] The flow guiding assembly includes a drive motor 11 and a spiral conveyor 12 connected to the output end of the drive motor 11. The spiral conveyor 12 is located inside the infusion tube 8. During flow guiding, the drive motor 11 actuates, causing the spiral conveyor 12 to rotate, thereby agitating the water sample in the infusion tube 8 and conveying it to the sample storage bottle 10. Because the opening of the sample storage bottle 10 is small, the rotation of the spiral conveyor 12 accelerates the speed at which the water sample enters the sample storage bottle 10, thereby increasing the sampling speed.
[0027] The infusion tube 8 has a threaded interface at its outlet, and the sample storage bottle 10 is threadedly connected to the outlet of the infusion tube 8. After sampling, the sample storage bottle 10 is removed from the outlet of the infusion tube 8 and then fitted with a suitable sealing cap.
[0028] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.
Claims
1. A water quality detection sampling device with adjustable depth, characterized in that: Includes a sampling rod and a sampling mechanism connected to the sampling rod; The sampling mechanism includes a filter assembly, an infusion assembly connected to the filter assembly, and a sample storage bottle detachably connected to the infusion assembly. The inlet end of the infusion assembly extends into the filter assembly. The infusion assembly includes an infusion tube and a flow guiding assembly located inside the infusion tube. The sample storage bottle is connected to the infusion tube.
2. The water quality detection sampling device with adjustable depth according to claim 1, characterized in that: The filtration assembly includes a filter barrel and filter screens located at the upper and lower ends of the filter barrel, and the filter screens are detachably mounted on the filter barrel.
3. The depth-adjustable water quality detection sampling device according to claim 2, characterized in that: The filter barrel is provided with a support plate, the filter screen is supported by the support plate, and the filter screen is connected to the support plate by bolts.
4. The depth-adjustable water quality detection sampling device according to claim 2, characterized in that: The infusion tube is T-shaped, and the portion located inside the filter tank is equipped with an electric valve.
5. The depth adjustable water quality detection sampling device of claim 1, wherein: The infusion tube has a threaded interface at the outlet, and the sample storage bottle is threadedly connected to the outlet of the infusion tube.
6. The depth-adjustable water quality testing and sampling device according to claim 1, characterized in that: The flow guiding assembly includes a drive motor and a spiral conveyor connected to the output end of the drive motor, the spiral conveyor being located inside the infusion tube.
7. The depth adjustable water quality detection sampling device of claim 1, wherein: The sampling rod includes a rod body one, a rod body two inserted into the rod body one, and a threaded fixing part for fixing the rod body one and the rod body two.