Multi-layer sampling device for water environment detection
By designing a multi-layer sampling device for water environment detection with buoyancy plate adjustment of sampling depth, the problem of existing devices being unable to continuously sample multiple layers has been solved, and efficient multi-layer water sample collection has been achieved.
Patent Information
- Application Number
- CN202520328088.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing sampling devices can usually only collect water samples from one depth, making it difficult to achieve continuous sampling of multiple water samples, resulting in long sampling times and low efficiency.
A multi-layer sampling device for water environment testing was designed. The sampling depth is adjusted by adjusting the position of the buoyancy plate on the delivery pipe. It is equipped with a detachable delivery pipe, scale lines, filter net, and sampling cylinder to achieve multi-layer water sample collection.
It enables simple and convenient adjustment of sampling depth, allowing for continuous collection of water samples at different depths, shortening sampling time and improving sampling efficiency.
Smart Images

Figure CN223883256U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water sample collection technical field especially relates to a water environment detection multilayer sampling device. BACKGROUND
[0002] Water environment refers to the environment of the space where water is formed, distributed and transformed. Water environment detection is to take water environment as the object, use physical, chemical and biological technical means to qualitatively, quantitatively and systematically analyze the pollutants and related components in it, to explore the change rule of water environment quality. In order to make the detection data accurately reflect the quality status of water environment, predict the development trend of water environment pollution, it is required that the water environment detection data should have representativeness, accuracy, precision, parallelism, repeatability, integrity and comparability. When water environment detection is carried out, water sample collection at different depths of the target water area is often needed to comprehensively detect and obtain the overall situation of the water area.
[0003] However, the existing sampling device can usually collect water sample at one depth at a time, and cannot well continuously sample multilayer water at different depths, and the sampling time is long and the efficiency is low. UTILITY MODEL CONTENT
[0004] Invention purpose: in view of the above shortcomings, the utility model provides a water environment detection multilayer sampling device.
[0005] Technical scheme: in order to solve the above problems, the utility model adopts a water environment detection multilayer sampling device, which comprises a water pump, a water outlet pipe, a water suction pipe and a conveying pipe, the water outlet pipe and the water suction pipe are connected with the water pump, the detachable conveying pipe is installed at one end of the water suction pipe, a buoyancy plate is sleeved on the conveying pipe, and a scale line is arranged on the conveying pipe; the sampling depth of the conveying pipe into water is changed by changing the position of the buoyancy plate on the conveying pipe.
[0006] Further, the water inlet end of the conveying pipe is provided with a filter net bag, and the connection part of the buoyancy plate and the conveying pipe is provided with a rubber ring.
[0007] Further, it further comprises a base, a plurality of sampling cylinders which are detachably installed on the base, and a scale line is arranged on the sampling cylinder, and the sampling cylinder is used for containing the water sample discharged by the water outlet pipe.
[0008] Further, the base is provided with a sliding groove, a sliding block is installed in the sliding groove, a sampling cylinder placing plate is installed on the sliding block, a plurality of insertion slots for inserting the sampling cylinder are arranged on the sampling cylinder placing plate, and the plurality of insertion slots are arranged in a straight line along the axis direction of the sliding groove.
[0009] Further, the sliding groove and the sliding block are both T-shaped structures, and the front and back of the sliding groove are both open structures.
[0010] Furthermore, the sampling tube placement plate is provided with positioning bolts, which are used to position the sampling tube placement plate by abutting against the top surface of the base.
[0011] Furthermore, the base is also equipped with a fixing frame, the water pump is installed on the fixing frame, and the water outlet pipe is located above the slide groove.
[0012] Furthermore, the top of the mounting bracket is provided with a handle.
[0013] Furthermore, a battery box is detachably installed inside the base, and a control switch is provided on the mounting bracket. The control switch, the battery box, and the water pump are electrically connected.
[0014] Furthermore, the base is also equipped with a drawer-type tool storage box, which is attached to the base by magnets for positioning.
[0015] Beneficial effects: Compared with the prior art, the significant advantage of this utility model is that the sampling depth can be adjusted by adjusting the position of the buoyancy plate on the water supply pipe. The adjustment process is simple and convenient, and water samples at different depths can be collected continuously. The sampling time is shorter and the efficiency is higher. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of the multi-layer sampling device for water environment detection of this utility model. Detailed Implementation
[0017] like Figure 1 As shown, this embodiment of a multi-layer sampling device for water environment monitoring includes a base 1, a sampling cylinder 8, and a water pump 13. The base 1 has a groove 4, within which a slider 5 is installed. A sampling cylinder placement plate 6 is mounted on the slider 5, and the sampling cylinder placement plate 6 has three slots for inserting the sampling cylinder 8. The slots are arranged in a straight line along the axis of the groove 4. During sampling, the sampling cylinder 8 is inserted into the slot; after sampling, the sampling cylinder 8 is removed from the slot. The sampling cylinder 8 has graduations 9 for easy observation of the sample volume. Both the groove 4 and the slider 5 are T-shaped structures, and the groove 4 is open at both the front and back. The sampling cylinder placement plate 6 has positioning bolts 7, which are used to position the sampling cylinder placement plate 6 and the sampling cylinder 8 by abutting against the top surface of the base 1.
[0018] The base 1 is further provided with a fixing frame 10, the top of the fixing frame 10 is provided with a handle 12. A water pump 13 is installed on the fixing frame 10, the water inlet end of the water pump 13 is connected with a water suction pipe 15, and the water outlet end is connected with a water outlet pipe 14. The water outlet pipe 14 is located above the chute 4, one side of the fixing frame 10 is provided with an opening through which the water suction pipe 15 passes, the water suction pipe 15 is installed in the opening and is connected with a conveying pipe 16, different conveying pipes 16 can be replaced according to different sampling depths and requirements. The water inlet end of the conveying pipe 16 is provided with a filter screen pocket 17, the conveying pipe 16 is sleeved with a buoyancy plate 18, and the connecting position of the buoyancy plate 18 and the conveying pipe 16 is provided with a rubber ring, and the conveying pipe 16 is provided with a scale line, so that the position of the buoyancy plate 18 can be conveniently observed and adjusted.
[0019] The base 1 is further provided with a fixing frame 10, the top of the fixing frame 10 is provided with a handle 12. A water pump 13 is installed on the fixing frame 10, the water inlet end of the water pump 13 is connected with a water suction pipe 15, and the water outlet end is connected with a water outlet pipe 14. The water outlet pipe 14 is located above the chute 4, one side of the fixing frame 10 is provided with an opening through which the water suction pipe 15 passes, the water suction pipe 15 is installed in the opening and is connected with a conveying pipe 16, different conveying pipes 16 can be replaced according to different sampling depths and requirements. The water inlet end of the conveying pipe 16 is provided with a filter screen pocket 17, the conveying pipe 16 is sleeved with a buoyancy plate 18, and the connecting position of the buoyancy plate 18 and the conveying pipe 16 is provided with a rubber ring, and the conveying pipe 16 is provided with a scale line, so that the position of the buoyancy plate 18 can be conveniently observed and adjusted.
[0020] The use process is as follows: a plurality of sampling cylinders 8 are sequentially inserted into the inside of the sampling cylinder placing plate 6, then the sampling cylinder placing plate 6 is moved, the sliding block 5 is moved in the inside of the chute 4, the last sampling cylinder 8 can be moved to the lower side of the water outlet pipe 14, then the positioning bolt 7 is rotated, the bottom end of the positioning bolt 7 abuts against the top of the base 1, at this time, the use position of the sampling cylinder placing plate 6 and the sampling cylinder 8 can be positioned. The conveying pipe 16 is connected with the water suction pipe 15, according to the sampling depth required, the position of the buoyancy plate 18 on the conveying pipe 16 is moved, since the scale line is arranged on the conveying pipe 16, the buoyancy plate 18 can be moved to the position required to be used. At this time, the filter screen pocket 17 is thrown into water, the buoyancy plate 18 floats on the water surface, the water pump 13 is started, water can be sampled into the sampling cylinder 8 through the water outlet pipe 14, according to the scale line 9 arranged on the outside of the sampling cylinder 8, the inside of the sampling cylinder can be sampled in a certain amount. According to the requirement, the position of the buoyancy plate 18 on the conveying pipe 16 is adjusted, so that the water sampling depth is changed, the above-mentioned circulation operation is repeated, and the water sampling operation of different depths in multiple layers can be carried out in the plurality of sampling cylinders.
[0021] The sampling depth is adjusted by adjusting the position of the buoyancy plate on the water conveying pipe, the adjustment process is simple and convenient, water samples of different depths can be continuously collected, the sampling time is shorter, and the efficiency is higher.
Claims
1. A multi-layer sampling device for water environment monitoring, characterized in that, The system includes a water pump (13), an outlet pipe (14), a suction pipe (15), and a delivery pipe (16). The outlet pipe (14) and the suction pipe (15) are both connected to the water pump (13). The delivery pipe (16) is detachably installed at one end of the suction pipe (15). A buoyancy plate (18) is fitted on the delivery pipe (16), and a scale line is provided on the delivery pipe (16). By changing the position of the buoyancy plate (18) on the delivery pipe (16), the sampling depth of the delivery pipe (16) in the water can be changed.
2. The multi-layer sampling device for water environment monitoring as described in claim 1, characterized in that, The inlet end of the conveying pipe (16) is provided with a filter screen (17), and a rubber ring is provided at the connection between the buoyancy plate (18) and the conveying pipe (16).
3. The multi-layer sampling device for water environment monitoring as described in claim 1, characterized in that, It also includes a base (1) and several sampling tubes (8) detachably mounted on the base (1). The sampling tubes (8) are provided with scale lines (9). The sampling tubes (8) are used to hold water samples discharged from the water outlet pipe (14).
4. The multi-layer sampling device for water environment monitoring as described in claim 3, characterized in that, The base (1) has a groove (4), a slider (5) is installed in the groove (4), a sampling tube placement plate (6) is installed on the slider (5), and the sampling tube placement plate (6) is provided with several slots for the sampling tube (8) to be inserted. The several slots are arranged in a straight line along the axis of the groove (4).
5. The multi-layer sampling device for water environment monitoring as described in claim 4, characterized in that, Both the groove (4) and the slider (5) are T-shaped structures, and the groove (4) is open at both the front and back.
6. The multi-layer sampling device for water environment monitoring as described in claim 4, characterized in that, The sampling tube placement plate (6) is provided with positioning bolts (7), which are used to position the sampling tube placement plate (6) by abutting the positioning bolts (7) against the top surface of the base (1).
7. The multi-layer sampling device for water environment monitoring as described in claim 4, characterized in that, The base (1) is also provided with a fixing frame (10), the water pump (13) is installed on the fixing frame (10), and the water outlet pipe (14) is located above the slide (4).
8. The multi-layer sampling device for water environment monitoring as described in claim 7, characterized in that, The top of the mounting bracket (10) is provided with a handle (12).
9. The multi-layer sampling device for water environment monitoring as described in claim 7, characterized in that, A battery box (2) is detachably installed inside the base (1), and a control switch (11) is provided on the fixing frame (10). The control switch (11), the battery box (2) and the water pump (13) are electrically connected.
10. The multi-layer sampling device for water environment monitoring as described in claim 3, characterized in that, The base (1) is also equipped with a drawer-type tool storage box (3), and the tool storage box (3) and the base (1) are attached and positioned by magnets.