CN221725641U - A bottom water sampling device for water area pollution prevention and control - Google Patents
A bottom water sampling device for water area pollution prevention and control Download PDFInfo
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- CN221725641U CN221725641U CN202420122683.7U CN202420122683U CN221725641U CN 221725641 U CN221725641 U CN 221725641U CN 202420122683 U CN202420122683 U CN 202420122683U CN 221725641 U CN221725641 U CN 221725641U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 156
- 238000005070 sampling Methods 0.000 title claims abstract description 117
- 230000002265 prevention Effects 0.000 title claims description 12
- 230000000903 blocking effect Effects 0.000 claims abstract 7
- 238000007789 sealing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 description 6
- 239000013049 sediment Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003933 environmental pollution control Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
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Abstract
The utility model provides a water area bottom water sampling device for preventing and controlling water environment pollution, which relates to the technical field of water environment pollution control devices, and comprises a sampling cylinder, a lifting rope and a lifting ejector rod; a fixed plate is arranged in the sampling cylinder, a position avoiding hole is arranged at the bottom of the sampling cylinder, a lifting ejector rod is arranged in the position avoiding hole in a lifting manner, a plugging block is arranged at the upper end of the lifting ejector rod, and the lower end of the lifting ejector rod passes through and is provided with a supporting chassis; the bottom of the sampling cylinder is also provided with a water inlet hole, the water inlet hole penetrates through the bottom of the sampling cylinder from the inside wall of the avoidance hole, and an elastic piece is arranged between the plugging block and the fixing plate. The utility model has the beneficial effects that; after being hung by a hanging rope to contact with the water bottom, the supporting chassis of the sampling device can support the lifting ejector rod to move upwards, and the position avoiding hole is opened, so that water at the water bottom enters the sampling cylinder through the water inlet hole; and the elastic piece can push the blocking block to block the water inlet. The water sampling device can rapidly complete the bottom water sampling process at one time, and improves the bottom water sampling efficiency and quality.
Description
Technical Field
The utility model relates to the technical field of water environment pollution treatment devices, in particular to a water area bottom water sampling device for preventing and controlling water environment pollution.
Background
In the water environment pollution prevention and control work, water samples in the water areas to be prevented and controlled are generally required to be collected so as to analyze and know the water environment pollution condition of the water areas. In the water sample collecting process, water samples of different collecting points and different water layers are required to be collected, and the accuracy of analysis of the pollution condition of the water samples is ensured, wherein as a lot of pollutants in a water area can be suspended near the water bottom, the water sample collecting process is particularly required to collect bottom water in the water area to be controlled.
At present, most of water sample sampling devices are depth-fixed water sample sampling devices, which can collect water samples with preset depth, but the water depth of a collection point is required to be measured in advance when bottom water is collected, and the water depth of the collection point is usually measured by hanging a heavy hammer at the lower end of a lifting rope to enable the heavy hammer to touch the bottom. The bottom sediment can be stimulated when the heavy hammer touches the bottom easily in the heavy hammer water depth process, the quality of the water collected in the subsequent bottom water sampling of the collection point is affected, and the bottom water collection process is complex and the efficiency is low.
Disclosure of utility model
In view of the above, in order to improve the efficiency and quality of water sampling of the water area bottom, the utility model provides a water area bottom water sampling device for preventing and controlling water environment pollution, comprising a sampling cylinder, a lifting rope and a lifting ejector rod;
The lifting rope is connected to the top of the sampling cylinder;
The sampling tube is internally provided with a fixed plate, the bottom of the sampling tube is provided with a position avoidance hole, the fixed plate is positioned right above the position avoidance hole, the lifting ejector rod is arranged in the position avoidance hole in a lifting manner, the upper end of the lifting ejector rod is provided with a plugging block, the plugging block is positioned in the sampling tube, the lower end of the lifting ejector rod penetrates through the position avoidance hole to extend to the lower side of the sampling tube, and the lower end of the lifting ejector rod is provided with a supporting chassis;
the sampling tube bottom is also provided with at least one water inlet hole, the water inlet hole penetrates through the sampling tube bottom from the inside wall of the avoidance hole, an elastic piece is arranged between the plugging block and the fixing plate and used for tightly pressing the plugging block in the avoidance hole to plug the avoidance hole and the water inlet hole.
Further, a cover body is arranged at the upper end of the sampling tube, the upper end of the sampling tube is provided with an opening, an external thread is arranged on the outer wall of the upper end of the sampling tube, an internal thread is arranged on the cover body, and the cover body is connected to the sampling tube through threads.
Further, a hanging ring is arranged at the top of the cover body, and the hanging rope is connected to the hanging ring.
Further, the fixed plate is connected to the inner wall of the sampling tube through a connecting rod.
Further, the elastic piece is a coil spring.
Further, an upper limiting ring is arranged at the lower end of the fixing plate, a lower limiting ring is arranged at the upper end of the plugging block, and the upper end and the lower end of the spiral spring are respectively limited in the upper limiting ring and the lower limiting ring.
Further, the fixed plate lower extreme is equipped with spacing post, the shutoff piece upper end is equipped with spacing post down, coil spring upper and lower extreme cover respectively in go up spacing post with spacing post down.
Further, the upper end of the sampling tube clearance hole is a conical hole, and the plugging block is of a conical structure.
Further, a sealing gasket is attached to the conical surface of the plugging block.
Further, a filter screen cover is further arranged at the bottom of the sampling cylinder, and covers the water inlet.
The water area bottom water sampling device for preventing and controlling water environmental pollution has the beneficial effects that: the sampling device comprises a sampling cylinder, a lifting rope and a lifting ejector rod; a fixed plate is arranged in the sampling cylinder, a position avoiding hole is arranged at the bottom of the sampling cylinder, a lifting ejector rod is arranged in the position avoiding hole in a lifting manner, a plugging block is arranged at the upper end of the lifting ejector rod, and the lower end of the lifting ejector rod passes through and is provided with a supporting chassis; the bottom of the sampling cylinder is also provided with a water inlet hole, the water inlet hole penetrates through the bottom of the sampling cylinder from the inside of the inside wall of the avoidance hole, and an elastic piece is arranged between the plugging block and the fixed plate; after the sampling device is hung to contact with the water bottom by the lifting rope, the supporting chassis can support the lifting ejector rod to overcome the elasticity of the elastic piece to move upwards in the avoidance hole, the avoidance hole is opened, water at the water bottom layer of the water area enters the sampling cylinder 1 through the water inlet hole, and the elastic piece can push the plugging block to plug the water inlet hole in the process that the sampling cylinder is lifted, so that the collection process of the water at the water bottom layer of the water area is completed. The water sampling device can rapidly and conveniently finish the water sampling process of the water area bottom layer at one time, and when the water sampling device is used for collecting the bottom layer water, the water depth does not need to be measured in advance, the problem that the water bottom sediment of the water area to be measured is excited to influence the water collection quality of the bottom layer is avoided when the water depth is measured in advance, and the water collection quality is improved.
Drawings
Fig. 1 is an overall structure diagram of a water area bottom water sampling device for preventing and controlling water environmental pollution according to an embodiment of the utility model.
Fig. 2 is a schematic diagram of an internal structure of a water area bottom water sampling device for preventing and controlling water environmental pollution according to an embodiment of the utility model.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Fig. 4 is a schematic perspective view of the lifting jack 4, the plugging block 41 and the supporting chassis 5 in fig. 2, which is a water area bottom water sampling device for preventing and controlling water environmental pollution in an embodiment of the utility model.
In the above figures: 1-sampling tube, 11-avoidance hole, 12-water inlet, 13-filter screen, 2-cover, 21-hanging ring, 22-air suction hole, 3-hanging rope, 4-lifting ejector rod, 41-plugging block, 42-plugging plate, 43-lower limit column, 44-lower limit ring, 45-sealing gasket, 46-sealing ring, 5-support chassis, 6-fixed plate, 61-spiral spring, 62-connecting rod, 63-upper limit column and 64-upper limit ring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, the water sampling device for water area bottom layer for water environmental pollution control of the present utility model includes a sampling tube 1, a lifting rope 3 and a lifting ejector rod 4.
The sampling tube 1 is of a hollow cylindrical tube structure, and the lifting rope 3 is connected to the top of the sampling tube 1; in this embodiment, the upper end of the sampling tube 1 is provided with a cover 2, the upper end of the sampling tube 1 is opened, the outer wall of the upper end of the sampling tube 1 is provided with an external thread, the cover 2 is provided with an internal thread, and the cover 2 is connected to the sampling tube through a thread, so that the upper end opening of the sampling tube 1 is detachably closed. The top of the cover body 2 is provided with a hanging ring 21, and the hanging rope 3 is connected to the hanging ring 21.
The inside of the sampling tube 1 is provided with a fixed plate 6, the fixed plate 6 is a circular plate, and the fixed plate 6 is connected with the inner wall of the sampling tube through a connecting rod 62. The bottom of the sampling tube 1 is provided with a position avoidance hole 11, the fixed plate 6 is positioned right above the position avoidance hole 11, the lifting ejector rod 4 is arranged in the position avoidance hole 11 in a lifting manner, the upper end of the lifting ejector rod 4 is provided with a plugging block 41, the plugging block 41 is positioned in the sampling tube 1, the lower end of the lifting ejector rod 4 passes through the position avoidance hole 11 and extends to the lower side of the sampling tube 1, and the lower end of the lifting ejector rod 4 is provided with a supporting chassis 5; the bottom of the sampling tube 1 is also provided with at least one water inlet hole 12, the water inlet hole 12 penetrates through the bottom of the sampling tube 1 from the inside wall of the avoidance hole 11, in this embodiment, the number of the water inlet holes 12 is two, an elastic piece is arranged between the plugging block 41 and the fixing plate 6, and the elastic piece is used for tightly pressing the plugging block 41 in the avoidance hole 11 to plug the avoidance hole 11 and the water inlet hole. In this embodiment, the elastic member is a coil spring 61. The supporting chassis 5 is a circular plate, and after the supporting chassis 5 is used for bottoming, the lifting ejector rod 4 is supported by overcoming the elasticity of the spiral spring 61, so that the plugging block 41 ascends from the inside of the plugging hole 11 to open the plugging hole 11 and the water inlet 12, and accordingly bottom water can enter the sampling tube 1 (the gap between the inner wall of the bottom water plugging hole 11 and the outer wall of the lifting ejector rod 4 is small, and bottom water mainly enters the sampling tube 1 from the water inlet 12).
Preferably, the lower end of the fixing plate 6 is provided with an upper limit ring 64, a plugging plate 42 is arranged above the plugging block 41, a lower limit ring 44 is arranged on the plugging plate 42, and the upper and lower ends of the coil springs 61 are respectively limited in the upper limit ring 64 and the lower limit ring 44. The lower end of the fixed plate 6 is provided with an upper limit post 63, the upper end of the plugging plate 42 is provided with a lower limit post, and the upper and lower ends of the coil spring 61 are respectively sleeved outside the upper limit post 63 and the lower limit post 43.
Preferably, the upper end of the avoidance hole 11 of the sampling tube 1 is a conical hole, and the plugging block 41 is of a conical structure. The conical surface of the plugging block 41 is attached with a sealing gasket, a sealing ring is further arranged below the plugging plate 42, the sealing gasket 45 and the sealing ring 46 are made of rubber, and the sealing gasket 45 and the sealing ring 46 are used for improving the sealing effect of the plugging block 41 and the plugging plate 42 on the avoidance hole 11.
Preferably, the bottom of the sampling tube 1 is further provided with a filter screen 13, the filter screen 13 covers the water inlet, the filter screen 13 is fixed on the bottom of the sampling tube 1 through a fixing screw, and the filter screen 13 is used for filtering large-size impurities in water entering the water inlet 12.
Preferably, the cover body 2 is also provided with an air suction hole 22, a sealing air tap is arranged in the air suction hole 22, in order to prevent air in the sampling barrel 1 from affecting water samples from entering the sampling barrel 1, water sample collection personnel can pump out partial air in the sampling barrel 1 from the sealing air tap through the air suction device before sampling, the air pressure in the sampling barrel 1 is reduced, and the water sample collection quantity is ensured.
The utility model relates to a water area bottom water sampling device for preventing and controlling water environmental pollution, which comprises the following working processes: placing the sampling tube 1 into a specified water area, slowly lowering the sampling tube 1 by a water sample collection personnel carrying the lifting rope 3 until the sampling tube 1 descends to the water bottom (the water sample collection personnel can judge whether the sampling tube 1 descends to the water bottom according to whether the lifting rope 3 is straight or not), at this time, supporting the sampling tube 1 on the sludge supported by the supporting chassis 5 of the sampling tube 1 and the water bottom, continuously lowering the sampling tube 1 under the action of gravity, supporting the lifting ejector rod 4 by the supporting chassis 5 to overcome the elasticity of the spiral spring 61 (because the supporting chassis 5 has relatively large area, the supporting chassis 5 can provide enough elasticity for the lifting ejector rod 4 to overcome the spiral spring 61), upwards moving in the avoidance hole 11, so that the plugging block 41 ascends from the avoidance hole 11 to open the avoidance hole 11 and the water inlet 12, after the water at the bottom of the water area passes through the water inlet 12 to enter the sampling tube 1 after being filtered by the filtering net cover, lifting the sampling tube 1 by the personnel, and tightly pressing the plugging block 41 into the avoidance hole 11 by the elasticity of the spiral spring 61, thereby closing the avoidance hole 11; the staff continues to lift the sampling tube 1 until the sampling tube 1 is lifted out of the water surface, the water of the sampling tube 1 can be poured out by opening the cover body 2, and then the collection process of the water at the bottom layer of the water area is completed.
The water sampling device can rapidly and conveniently finish the water sampling process of the bottom layer of the water area at one time, and the problem that the water depth of the water area needs to be measured in advance, so that the bottom sediment is excited to influence the collection quality of the bottom water is avoided.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the claimed application.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420122683.7U CN221725641U (en) | 2024-01-17 | 2024-01-17 | A bottom water sampling device for water area pollution prevention and control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420122683.7U CN221725641U (en) | 2024-01-17 | 2024-01-17 | A bottom water sampling device for water area pollution prevention and control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221725641U true CN221725641U (en) | 2024-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420122683.7U Active CN221725641U (en) | 2024-01-17 | 2024-01-17 | A bottom water sampling device for water area pollution prevention and control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221725641U (en) |
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- 2024-01-17 CN CN202420122683.7U patent/CN221725641U/en active Active
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