Sampling device for water detection

Abstract

The utility model relates to the technical field of water detection, in particular to a sampling device for water detection, and adopts the technical scheme that the sampling device comprises a fixed plate, a fixed frame, a bearing I, a screw sleeve I, a screw sleeve II and a piston plate, a screw rod I is fixedly mounted on an inner ring of the bearing I, a motor I is mounted at the top of the fixed frame, and the screw sleeve I is meshed with the screw rod I; a sampling tank is installed on the side, away from the fixing frame, of the first threaded sleeve, a third bearing is embedded in the top of the sampling tank, a second lead screw is fixedly installed on an inner ring of the third bearing, a second motor is installed on the top of the sampling tank, the second threaded sleeve is connected with the second lead screw in a meshed mode, and a piston plate is installed on the outer side of the second threaded sleeve. A baffle is installed at the bottom of the second lead screw, a connecting rod is installed at the bottom of the baffle, and scraping frames are installed on the two sides of the connecting rod correspondingly. The sampling tank has the advantages that impurities attached to the inner walls of the sampling tank and the connecting pipe are scraped off when a water sample is discharged, so that the quality of the sample is prevented from being influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of water detection, in particular to a sampling device for water detection. Background Art

[0002] Water testing refers to the chemical, physical or biological testing and analysis of water quality to determine whether there are harmful substances in the water and to evaluate whether it meets specific standards or guidelines. This includes testing of drinking water, industrial wastewater, environmental water bodies, etc. to ensure water quality safety and prevent pollution. Sampling devices for water testing generally refer to equipment used to collect water samples. These devices play a vital role in water quality monitoring, environmental protection and scientific research because they can provide real and reliable samples to help analyze the chemical composition and pollutant content of water.

[0003] Publication number: CN215985362U, a sampling device for wastewater detection. It includes a sampling box, an extension plate is provided on one side of the sampling box, a motor is provided in the extension plate, the output shaft of the motor is connected to a spiral rod, the spiral rod sleeve is provided with a movable block, the movable block and the extension plate are connected by a fixed rod, a water pump is provided in the sampling box, a hard water pipe is inserted in the water pump, the hard water pipe is connected to a soft water pipe through a telescopic water pipe 1, a sampling sleeve is provided below the soft water pipe, a filter plate is provided in the sampling box, a collecting funnel is provided below the filter plate, a collecting pipe is provided below the collecting funnel, the collecting pipe is connected to a telescopic water pipe 2 through a distribution pipe, the telescopic water pipe 2 sleeve is provided with a movable plate, the movable plate and the sampling box are connected by a hydraulic rod, and a wastewater outlet is provided below the telescopic water pipe 2. The utility model provides a sampling device for wastewater detection that can be easily moved and sampled, can adjust the sampling position, and prevent debris from clogging the sampling pipeline.

[0004] In summary, in the prior art CN215985362U, water samples are stored inside a sampling box. During the storage process, impurities in the water samples will adhere to the inner wall of the sampling box. When discharged, the impurities attached to the inner wall of the sampling box cannot be discharged, affecting the quality of the water samples. Utility Model Content

[0005] The utility model aims to provide a sampling device for water detection, which has the advantage of scraping off impurities attached to the inner walls of the sampling tank and the connecting pipe when discharging the water sample to avoid affecting the sample quality, and solves the problem that impurities in the water sample adhere to the inner wall of the sampling device and cannot be discharged, thus affecting the sampling quality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sampling device for water detection, comprising a fixed plate, a screw sleeve one, a screw sleeve two and a piston plate, a fixed frame welded on the top of the fixed plate, a bearing one is embedded and installed on the top of the fixed frame, a screw rod one is fixedly installed on the inner ring of the bearing one, a motor one is installed on the top of the fixed frame, the screw sleeve one is meshingly connected with the screw rod one, a sampling tank is installed on the side of the screw sleeve one away from the fixed frame, a bearing three is embedded and installed on the top of the sampling tank, a screw rod two is fixedly installed on the inner ring of the bearing three, a motor two is installed on the top of the sampling tank, the screw sleeve two is meshingly connected with the screw rod two, a piston plate is installed on the outside of the screw sleeve two, a baffle is installed on the bottom of the screw rod two, a connecting rod is installed on the bottom of the baffle, and scrapers are respectively installed on both sides of the connecting rod.

[0007] When using a water detection sampling device in the technical solution, the fixed frame and the sampling tank are moved to a certain position by means of casters and a fixed plate. After moving to the sampling position, the connecting pipe at the bottom of the sampling tank is aligned with the water source to be sampled. The motor drives the screw rod to rotate through the transmission structure, the screw sleeve moves on the rotating screw rod, the screw sleeve drives the sampling tank to descend, and the connecting pipe at the bottom of the sampling tank is inserted into the water. The motor drives the screw rod to rotate through the transmission structure, the screw sleeve moves on the rotating screw rod, the screw sleeve drives the piston plate to rise, and the piston plate moves upward. Suction is generated when it rises, and water enters the sampling tank from the connecting pipe under the influence of the suction. After the sampling is completed, the screw sleeve drives the sampling tank to rise. When the water sample needs to be taken out, the motor drives the screw rod to rotate, and the screw sleeve drives the piston plate to descend. The piston plate squeezes the water inside the sampling tank downward, and the water is discharged from the connecting pipe. When the piston plate descends, it scrapes off the impurities attached to the inner wall of the sampling tank, and the screw rod drives the connecting rod to rotate through the baffle, and the connecting rod drives the two scrapers to rotate. The two scrapers scrape off the impurities attached to the inner wall of the connecting pipe and discharge them.

[0008] Preferably, the transmission structure of the motor 1 is fixedly connected to the top of the screw rod 1. The motor 1 drives the screw rod 1 to rotate through the transmission structure.

[0009] Preferably, a slider is installed on the side of the screw sleeve 1 opposite to the fixing frame, a sliding groove is provided on the inner side of the fixing frame, and the slider and the sliding groove are slidably connected. The slider limits the screw sleeve 1, and when the screw sleeve 1 moves on the screw rod 1, the slider slides in the sliding groove to prevent the screw sleeve 1 from shaking.

[0010] Preferably, a bearing 2 is installed on the top of the fixing plate, and the bottom of the screw rod 1 is fixedly connected to the inner ring of the bearing 2. The bearing 2 fixes the screw rod 1 to prevent the screw rod 1 from shaking when rotating.

[0011] Preferably, the transmission structure of the second motor is fixedly connected to the top of the second screw rod. The second motor drives the second screw rod to rotate through the transmission structure.

[0012] Preferably, a movable rod is installed on the top of the piston plate, and a movable hole is opened on the top of the sampling tank, and the top of the movable rod passes through the movable hole. The movable rod limits the piston plate, and when the piston plate is raised or lowered, the movable rod moves in the movable hole to prevent the piston plate from rotating.

[0013] Preferably, the connecting rod extends into the interior of the connecting pipe, and the two scrapers are in contact with the interior of the connecting pipe. The connecting rod drives the two scrapers to rotate, and the two scrapers scrape off the impurities attached to the inner wall of the connecting pipe.

[0014] Preferably, casters are respectively installed at the four corners of the bottom of the fixing plate, so that the fixing plate can be easily moved on the ground.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model arranges a piston plate and a scraper, a motor 2 drives a screw rod 2 to rotate through a transmission structure, a screw sleeve 2 moves on the rotating screw rod 2, the screw sleeve 2 drives the piston plate to descend, the piston plate squeezes the water inside the sampling tank downward, and the water is discharged from the connecting pipe, when the piston plate descends, the impurities attached to the inner wall of the sampling tank are scraped off, the screw rod 2 drives the connecting rod to rotate through a baffle, the connecting rod drives two scrapers to rotate, the two scrapers scrape the impurities attached to the inner wall of the connecting pipe and discharge them, so that the impurities attached to the inner wall of the sampling tank and the connecting pipe are scraped off when the water sample is discharged, so as to avoid affecting the quality of the sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first angle;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second angle;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model from a third angle;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the sampling tank of the utility model.

[0021] In the figure: 1. fixed plate; 2. fixed frame; 3. motor 1; 4. bearing 1; 5. slider; 6. screw sleeve 1; 7. slide groove; 8. bearing 2; 9. screw rod 1; 10. motor 2; 11. sampling tank; 12. connecting pipe; 13. caster; 14. scraper; 15. movable hole; 16. bearing 3; 17. movable rod; 18. screw rod 2; 19. screw sleeve 2; 20. baffle; 21. piston plate; 22. connecting rod. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0024] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0025] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] Embodiment 1

[0027] like Figure 1-Figure 4 As shown, a water detection sampling device proposed by the utility model comprises a fixed plate 1, a screw sleeve 16, a screw sleeve 19 and a piston plate 21, a fixed frame 2 is welded on the top of the fixed plate 1, a bearing 4 is embedded and installed on the top of the fixed frame 2, a screw rod 9 is fixedly installed on the inner ring of the bearing 4, a motor 3 is installed on the top of the fixed frame 2, a transmission structure of the motor 3 is fixedly connected to the top of the screw rod 9, a bearing 28 is installed on the top of the fixed plate 1, the bottom of the screw rod 9 is fixedly connected to the inner ring of the bearing 28, the screw sleeve 6 is meshed with the screw rod 9, a sampling tank 11 is installed on the side of the screw sleeve 6 away from the fixed frame 2, and the sampling tank 11 A bearing three 16 is embedded and installed on the top, and a screw rod two 18 is fixedly installed on the inner ring of the bearing three 16. A motor two 10 is installed on the top of the sampling tank 11. The transmission structure of the motor two 10 is fixedly connected to the top of the screw rod two 18. The screw sleeve two 19 is meshed and connected with the screw rod two 18. A piston plate 21 is installed on the outer side of the screw sleeve two 19. A baffle plate 20 is installed at the bottom of the screw rod two 18. A connecting rod 22 is installed at the bottom of the baffle plate 20. Scrapers 14 are respectively installed on both sides of the connecting rod 22. The connecting rod 22 extends into the interior of the connecting pipe 12. The two scrapers 14 are in contact with the interior of the connecting pipe 12. Casters 13 are respectively installed at the four corners of the bottom of the fixed plate 1.

[0028] In this embodiment, the fixed plate 1 carries the fixed frame 2 and the sampling tank 11 to move to a position through the casters 13. After moving to the sampling position, the connecting pipe 12 at the bottom of the sampling tank 11 is aligned with the water source to be sampled. The motor 13 drives the screw 19 to rotate through the transmission structure, and the screw sleeve 6 moves on the rotating screw 19. The screw sleeve 6 drives the sampling tank 11 to descend, so that the connecting pipe 12 at the bottom of the sampling tank 11 is inserted into the water. The motor 2 10 drives the screw 2 18 to rotate through the transmission structure, and the screw sleeve 2 19 moves on the rotating screw 2 18. The screw sleeve 2 19 drives the piston plate 21 to rise. The piston plate 21 generates suction when it rises, and the water Under the influence of suction, it enters the sampling tank 11 from the connecting pipe 12. After sampling is completed, the screw sleeve 6 drives the sampling tank 11 to rise. When the water sample needs to be taken out, the motor 10 drives the screw rod 18 to rotate, and the screw sleeve 19 drives the piston plate 21 to descend. The piston plate 21 squeezes the water inside the sampling tank 11 downward, and the water is discharged from the connecting pipe 12. When the piston plate 21 descends, it scrapes off the impurities attached to the inner wall of the sampling tank 11, and the screw rod 18 drives the connecting rod 22 to rotate through the baffle 20. The connecting rod 22 drives the two scrapers 14 to rotate, and the two scrapers 14 scrape the impurities attached to the inner wall of the connecting pipe 12 and discharge them.

[0029] Embodiment 2

[0030] like Figure 1-Figure 4 As shown, the utility model proposes a sampling device for water detection. Compared with the first embodiment, this embodiment also includes: a slider 5 and a movable rod 17. The slider 5 is installed on the side of the screw sleeve 6 opposite to the fixed frame 2. A slide groove 7 is provided on the inner side of the fixed frame 2. The slider 5 and the slide groove 7 are slidably connected. A movable rod 17 is installed on the top of the piston plate 21. A movable hole 15 is provided on the top of the sampling tank 11. The top of the movable rod 17 passes through the movable hole 15.

[0031] In this embodiment, the screw sleeve 6 is limited by the slider 5. When the screw sleeve 6 moves on the screw rod 9, the slider 5 slides in the slide groove 7 to prevent the screw sleeve 6 from shaking. The movable rod 17 limits the piston plate 21. When the piston plate 21 is raised or lowered, the movable rod 17 moves in the movable hole 15 to prevent the piston plate 21 from rotating.

[0032] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A water sampling device for detecting water, comprising a fixed plate (1), a first screw sleeve (6), a second screw sleeve (19) and a piston plate (21), characterized in that: A fixing frame (2) is welded to the top of the fixing plate (1), a bearing (4) is embedded and installed on the top of the fixing frame (2), a screw (9) is fixedly installed on the inner ring of the bearing (4), a motor (3) is installed on the top of the fixing frame (2), the screw sleeve (6) is meshedly connected with the screw (9), a sampling tank (11) is installed on the side of the screw sleeve (6) away from the fixing frame (2), and a bearing (16) is embedded and installed on the top of the sampling tank (11). ), the inner ring of the bearing three (16) is fixedly mounted with a screw rod two (18), the top of the sampling tank (11) is mounted with a motor two (10), the screw sleeve two (19) is meshingly connected with the screw rod two (18), the outer side of the screw sleeve two (19) is mounted with a piston plate (21), the bottom of the screw rod two (18) is mounted with a baffle plate (20), the bottom of the baffle plate (20) is mounted with a connecting rod (22), and scrapers (14) are respectively mounted on both sides of the connecting rod (22).

2. A water detection sampling device according to claim 1, characterized in that: The transmission structure of the motor 1 (3) is fixedly connected to the top of the screw rod 1 (9).

3. A water detection sampling device according to claim 1, characterized in that: A sliding block (5) is installed on the side of the screw sleeve (6) opposite to the fixing frame (2), a sliding groove (7) is provided inside the fixing frame (2), and the sliding block (5) and the sliding groove (7) are slidably connected.

4. A water detection sampling device according to claim 1, characterized in that: The top of the fixed plate (1) is provided with a second bearing (8), and the bottom of the first screw rod (9) is fixedly connected to the inner ring of the second bearing (8).

5. A water detection sampling device according to claim 1, characterized in that: The transmission structure of the second motor (10) is fixedly connected to the top of the second screw rod (18).

6. A water detection sampling device according to claim 1, characterized in that: A movable rod (17) is installed on the top of the piston plate (21), a movable hole (15) is opened on the top of the sampling tank (11), and the top of the movable rod (17) passes through the movable hole (15).

7. A water detection sampling device according to claim 1, characterized in that: The connecting rod (22) extends into the interior of the connecting pipe (12), and the two scraper frames (14) are in contact with the interior of the connecting pipe (12).

8. A water detection sampling device according to claim 1, characterized in that: Casters (13) are respectively installed at the four corners of the bottom of the fixing plate (1).

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