Sampler for water body environment detection

Abstract

The utility model discloses a sampler for water body environment detection, which belongs to the technical field of environment detection and comprises a sampling barrel and a retractable mechanism which is connected to the top of the sampling barrel and used for putting and taking out the sampling barrel, a balancing weight is fixedly mounted at the bottom of the sampling barrel, and sampling bins are uniformly and vertically formed in the sampling barrel. A liquid inlet hole is formed in the bottom end of each sampling bin, and the bottom end of the pressing plate penetrates out of the outer side of the balancing weight. According to the sampling device disclosed by the utility model, a plurality of groups of sampling bins are uniformly formed in the sampling barrel, the sealing cover is arranged at the bottom end of each sampling bin, and the pressure adjusting mechanism consisting of the pressing plate, the spring, the screw rod and the adjusting block is arranged at the top of each sealing cover, so that the pressure at the top of each sealing cover can be controlled before sampling; sealing covers in different sampling bins can be jacked up by water pressures at different depths and automatically enter the sampling bins, so that multiple samples can be extracted by putting the device once, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to a sampler, in particular to a sampler used for water environment detection, belonging to the technical field of environment detection. Background Art

[0002] In the prior art, for example, the utility model with application number 202420225078.2 discloses a water environment detection sampler. During use, the water sampler is often thrown or held by hand and sunk into the water area to be sampled through a rope. After reaching the water layer to be sampled, the sampling is completed and the sampler is pulled out by manpower. During the pulling out process, the sampled water body is easily affected by the upper water body, and there is a disadvantage of inaccurate sampling depth control, and thus the sampling accuracy is generally poor. The water body can be sampled by suction through a sampling tube and a sampling pump, and the sampling of water bodies at different depths is convenient, with high sampling accuracy and good convenience.

[0003] Similar to the above application, there are still some deficiencies:

[0004] When the device is put into the water once, it can only extract water samples at a fixed depth. If multiple sampling is required, the sampling action must be repeated multiple times, and the sampling rate is slow.

[0005] Therefore, a sampler for water environment detection is designed to optimize the above problems. Utility Model Content

[0006] The main purpose of the present utility model is to provide a sampler for water environment detection, which is achieved by evenly opening multiple groups of sampling chambers inside the sampling barrel, and providing a sealing cover at the bottom of the sampling chamber, and a pressure regulating mechanism composed of a pressure plate, a spring, a screw and an adjusting block on the top of the sealing cover. Before sampling, the pressure on the top of the sealing cover can be controlled. When the sampling barrel is placed under water, the water pressure at different depths will lift up the sealing covers inside different sampling chambers and automatically enter the interior of the sampling chamber, so that multiple samples can be extracted in a single release of the device, which is more practical. Through the retractable mechanism composed of a telescopic rod, a guide wheel, a bracket, a line roller, an adjusting wheel, a slide rod, a slide trough and a balance block, the lower position of the sampling barrel can be adjusted according to the width of the water surface, and the stability of the sampling barrel when it is lowered is guaranteed, which is more convenient to use.

[0007] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0008] A sampler for water environment detection includes a sampling barrel and a retracting mechanism connected to the top of the sampling barrel for dropping and taking out the sampling barrel, a counterweight block is fixedly installed on the bottom of the sampling barrel, sampling chambers are evenly and vertically opened inside the sampling barrel, the bottom ends of the sampling chambers are provided with liquid inlets, and the bottom ends of the liquid inlets pass through the outside of the counterweight block, the inner bottoms of the sampling chambers are hingedly installed with sealing covers covering the liquid inlets, the inner tops of the sampling chambers are vertically slidably installed with pressure plates, a spring is fixedly installed between the bottom ends of the pressure plates and the tops of the sealing covers, the tops of the sampling chambers are rotatably installed with screws, the screws extend to the top of the sampling barrel and are threadedly connected to the pressure plates, the tops of the screws are fixed with adjusting blocks, transparent windows are vertically provided on the outsides of the sampling barrels corresponding to the sampling chambers, and scale lines are provided on the sides of the transparent windows.

[0009] Preferably, four groups of sampling chambers are provided, and the angle between adjacent sampling chambers is ninety degrees.

[0010] Preferably, the counterweight block is conical in shape, and a protective net is fixed inside the counterweight block and at the bottom end of the liquid inlet hole.

[0011] Preferably: the retracting and extending mechanism includes a telescopic rod, a guide wheel, a bracket, a line roller and an adjusting wheel. The guide wheel is vertically installed at the end of the telescopic rod, the bracket is fixed to the top of the telescopic rod, the line roller is rotatably installed on the bracket, the adjusting wheel is installed at the end of the line roller, the rope wrapped around the outside of the line roller is fixedly connected to the top of the sampling barrel, and a stabilizing component is provided at the end of the telescopic rod away from the guide wheel.

[0012] Preferably, a slide groove is provided at one end of the top of the telescopic rod away from the guide wheel, a slide rod is slidably installed inside the slide groove, a balance block is fixed at the end of the slide rod, and a positioning bolt is installed at the top of the slide rod.

[0013] Preferably, the diameter of the adjusting wheel is larger than the diameter of the line roller, and an anti-slip protrusion is provided on the inner side of the adjusting wheel.

[0014] Preferably, a rubber pad is provided at the bottom of the telescopic rod, and anti-slip grooves are provided at the bottom of the rubber pad.

[0015] The beneficial effects of the utility model are:

[0016] The utility model provides a sampler for water environment detection. The sampler has multiple sampling chambers evenly arranged in the interior of the sampling barrel, and a sealing cover is provided at the bottom of the sampling chamber. The top of the sealing cover is provided with a pressure regulating mechanism composed of a pressure plate, a spring, a screw and an adjusting block. The pressure on the top of the sealing cover can be controlled before sampling. When the sampling barrel is immersed in water, the water pressure at different depths will lift the sealing covers in different sampling chambers and automatically enter the interior of the sampling chamber, so that the device can extract multiple samples in a single placement, which is more practical.

[0017] Through the retractable mechanism composed of telescopic rod, guide wheel, bracket, line roller, adjusting wheel, sliding rod, slide groove and balance block, the lower position of the sampling bucket can be adjusted according to the width of the water surface, and the stability of the sampling bucket when it is lowered is ensured, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the main view of the utility model;

[0019] Figure 2 This is a cross-sectional view of the sampling barrel of the present utility model;

[0020] Figure 3 This is a diagram of the retractable mechanism of the present utility model.

[0021] In the figure: 1. Sampling barrel; 2. Counterweight; 3. Sampling chamber; 4. Liquid inlet; 5. Sealing cover; 6. Pressure plate; 7. Spring; 8. Screw; 9. Adjustment block; 10. Transparent window; 11. Scale line; 12. Retraction and extension mechanism; 13. Telescopic rod; 14. Guide wheel; 15. Bracket; 16. Line roller; 17. Adjustment wheel; 18. Sliding rod; 19. Slide groove; 20. Balance block. DETAILED DESCRIPTION

[0022] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is described in further detail below with reference to embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0023] like Figure 1-Figure 3 As shown, this embodiment provides a sampler for water environment detection, including a sampling barrel 1 and a retracting mechanism 12 connected to the top of the sampling barrel 1 for placing and taking out the sampling barrel 1. A counterweight block 2 is fixedly installed at the bottom of the sampling barrel 1. Sampling chambers 3 are evenly and vertically opened inside the sampling barrel 1. The bottom ends of the sampling chambers 3 are all provided with liquid inlet holes 4, and the bottom ends of the liquid inlet holes 4 pass through the outside of the counterweight block 2. The inner bottoms of the sampling chambers 3 are all hingedly installed with liquid inlet holes 4. The sampling chamber 3 is covered with a sealing cover 5, and a pressure plate 6 is vertically slidably installed on the inner top of the sampling chamber 3. A spring 7 is fixedly installed between the bottom end of the pressure plate 6 and the top of the sealing cover 5. The top of the sampling chamber 3 is rotatably installed with a screw 8, which extends to the top of the sampling barrel 1 and is threadedly connected to the pressure plate 6. An adjusting block 9 is fixed on the top of the screw 8. A transparent window 10 is vertically provided on the outside of the sampling barrel 1 corresponding to the sampling chamber 3, and scale lines 11 are provided on the sides of the transparent window 10.

[0024] The overall working principle: when in use, the spring 7 is compressed by controlling the downward movement of the pressure plate 6 by rotating the screw 8. The degree of compression of the spring 7 varies according to the sampling depth. The pressure of the spring 7 on the sealing cover 5 is the same as the pressure of the water on the sealing cover 5 at the sampling depth. Therefore, after the sampling barrel 1 is put into the water using the retracting mechanism 12, after reaching the sampling depth, the water pressure will squeeze the sealing cover 5 toward the inside of the sampling chamber 3, and the water source will automatically enter the inside of the sampling chamber 3 to complete the automatic sampling of the depth. When the sampling is completed, the screw 8 is rotated again to control the upward movement of the pressure plate 6, release the pressure on the sealing cover 5, and open the sealing cover 5 upward. At this time, the sample solution will flow out from the liquid inlet 4.

[0025] In this embodiment, four groups of sampling chambers 3 are provided, and the angle between adjacent sampling chambers 3 is ninety degrees.

[0026] Local working principle: by setting up multiple groups of sampling chambers 3, the device can simultaneously sample four samples at different depths after a single release.

[0027] In this embodiment, the counterweight 2 is conical in shape, and a protective net is fixed inside the counterweight 2 and at the bottom end of the liquid inlet 4 .

[0028] Partial working principle: The use of the counterweight 2 can control the rapid diving of the sampling bucket 1, and the setting of the protective net can prevent debris from clogging the liquid inlet 4.

[0029] In this embodiment, the retracting and extending mechanism 12 includes a telescopic rod 13, a guide wheel 14, a bracket 15, a line roller 16 and an adjusting wheel 17. The guide wheel 14 is vertically installed at the end of the telescopic rod 13, and the bracket 15 is fixed to the top of the telescopic rod 13. The line roller 16 is rotatably installed on the bracket 15, and the adjusting wheel 17 is installed at the end of the line roller 16. The rope wrapped around the outside of the line roller 16 is fixedly connected to the top of the sampling barrel 1, and a stabilizing component is provided at the end of the telescopic rod 13 away from the guide wheel 14.

[0030] Partial working principle: During the use of the device, the telescopic rod 13 is placed horizontally on the shore, and then the extension of the telescopic rod 13 is controlled to control the sampling position, and then the adjusting wheel 17 is controlled to drive the line roller 16 to rotate, the rope is released, and then the sampling bucket 1 is put into the water.

[0031] In this embodiment, a slide groove 19 is provided at one end of the top of the telescopic rod 13 away from the guide wheel 14, and a slide rod 18 is slidably installed inside the slide groove 19. A balance block 20 is fixed to the end of the slide rod 18, and a positioning bolt is installed at the top of the slide rod 18.

[0032] Local working principle: If the telescopic rod 13 is stretched to a long length, when the sampling barrel 1 is released, the center of gravity is close to the river surface. In order to ensure the stability of the device, the balance block 20 can be controlled to move toward the end away from the guide wheel 14 to ensure that the center of gravity of the device is located on the shore.

[0033] In this embodiment, the diameter of the adjusting wheel 17 is larger than the diameter of the line roller 16 , and an anti-slip protrusion is provided on the inner side of the adjusting wheel 17 .

[0034] Partial working principle: The large diameter adjusting wheel 17 makes the rotation of the line roller 16 more labor-saving.

[0035] In this embodiment, a rubber pad is provided at the bottom of the telescopic rod 13, and the bottom of the rubber pad is provided with anti-slip grooves.

[0036] Partial working principle: The use of rubber pads improves the stability of device placement.

[0037] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and concept of the present invention within the scope disclosed by the present invention, which falls within the protection scope of the present invention.

Claims

1. A sampler for water environment detection, comprising a sampling barrel (1) and a retracting mechanism (12) connected to the top of the sampling barrel (1) for placing and removing the sampling barrel (1), characterized in that: A counterweight (2) is fixedly installed at the bottom of the sampling barrel (1), and a sampling chamber (3) is evenly and vertically opened inside the sampling barrel (1). The bottom end of each sampling chamber (3) is provided with a liquid inlet (4), and the bottom end of the liquid inlet (4) passes through the outside of the counterweight (2). A sealing cover (5) covering the liquid inlet (4) is hingedly installed on the inner bottom of the sampling chamber (3), and a pressure plate (6) is vertically slidably installed on the inner top of the sampling chamber (3). The pressure plate (6) A spring (7) is fixedly installed between the bottom end and the top of the sealing cover (5), a screw (8) is rotatably installed on the top of the sampling chamber (3), the screw (8) extends to the top of the sampling barrel (1) and is threadedly connected to the pressure plate (6), an adjustment block (9) is fixed to the top of the screw (8), and a transparent window (10) is vertically provided on the outside of the sampling barrel (1) corresponding to the sampling chamber (3), and a scale line (11) is provided on the side of the transparent window (10).

2. A sampler for water environment detection according to claim 1, characterized in that: Four groups of sampling chambers (3) are provided, and the angles between adjacent sampling chambers (3) are ninety degrees.

3. The sampler for water environment detection according to claim 1, characterized in that: The counterweight (2) is conical in shape, and a protective net is fixed inside the counterweight (2) and at the bottom end of the liquid inlet hole (4).

4. A sampler for water environment detection according to claim 1, characterized in that: The retracting and releasing mechanism (12) comprises a telescopic rod (13), a guide wheel (14), a bracket (15), a line roller (16) and an adjusting wheel (17). The guide wheel (14) is vertically mounted on the end of the telescopic rod (13). The bracket (15) is fixed on the top of the telescopic rod (13). The line roller (16) is rotatably mounted on the bracket (15). The adjusting wheel (17) is mounted on the end of the line roller (16). A rope wound around the outer side of the line roller (16) is fixedly connected to the top of the sampling barrel (1). A stabilizing component is provided at the end of the telescopic rod (13) away from the guide wheel (14).

5. The sampler for water environment detection according to claim 4, characterized in that: A slide groove (19) is provided at one end of the top of the telescopic rod (13) away from the guide wheel (14), a slide rod (18) is slidably installed inside the slide groove (19), a balance block (20) is fixed at the end of the slide rod (18), and a positioning bolt is installed at the top of the slide rod (18).

6. The sampler for water environment detection according to claim 4, characterized in that: The diameter of the regulating wheel (17) is larger than the diameter of the line roller (16), and an anti-slip protrusion is provided on the inner side of the regulating wheel (17).

7. The sampler for water environment detection according to claim 4, characterized in that: The bottom of the telescopic rod (13) is provided with a rubber pad, and the bottom of the rubber pad is provided with anti-skid grooves.

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