A water environment pollution prevention and control sampling device

Abstract

The utility model discloses a water environment pollution prevention and control sampling device, comprising a sampling bucket, a handle is arranged between the top ends of both sides of the sampling bucket, and a take-and-put pull rope is arranged at the middle position of the top end of the handle. By arranging a sampling assembly between the inner side of a sleeve and the bottom end of a top cover, a movable cover is pulled and retracted into the inside of the sleeve by the pulling force of a reset spring during the process of sinking the sampling bucket underwater, and after the sampling bucket is sunk to a specified water extraction depth, a staff member on the water pulls the opening and closing pull rope upwards to pull the movable cover out of the sleeve and stretch the reset spring, so that the water sample can be poured into the inside of the sampling bucket through the sampling hole, and after the sampling is completed, the opening and closing pull rope is released to pull the movable cover back into the sleeve by the reset pulling force of the reset spring, so that water at different levels is prevented from entering the sampling bucket during the process of lifting the sampling bucket, thereby achieving the effect of extracting water samples at different depths underwater according to sampling requirements, and the sampling operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of water pollution prevention and control sampling, in particular to a water environment pollution prevention and control sampling device. Background Art

[0002] Water pollution prevention and control aims to protect and improve the environment, safeguard human health, and effectively utilize water resources. When carrying out water pollution prevention and control work, it is necessary to use sampling devices to take samples of rivers and lakes in the placement area for inspection, so as to carry out effective water pollution prevention and control work according to actual conditions;

[0003] For example, the utility model with the authorization announcement number CN215414538U discloses a water environment pollution prevention and control sampling device, including a sampling bucket, a protective cover, a connecting bottom frame, a fine-pore blocking cover, a sealing plugging plate and a fine-pore filter screen plate. The upper end face of the sampling bucket is clamped with a protective cover, the upper end face of the protective cover is clamped with a fine-pore filter screen plate, a sealing plugging plate is arranged on the lower side of the inner part of the sampling bucket, a connecting bottom frame is mounted on the lower side of the annular side of the sampling bucket, and a fine-pore blocking cover is welded on the lower end face of the connecting bottom frame. This design solves the problem that the original sampling bucket does not have the ability to block debris and is not practical. The utility model has a reasonable structure, has the ability to block debris, is easy to carry and use, and is easy to use. However, during the application of this technical solution, the device is placed in the water for sampling, and only the surface water of rivers and lakes can be extracted. There is a technical problem that water samples of different depths cannot be extracted separately according to the sampling requirements. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a water environment pollution prevention and control sampling device, which can solve the technical problem that the device can only be placed in water for sampling, and can only extract surface water of rivers and lakes, and cannot extract water samples of different depths according to sampling requirements.

[0005] To solve the above technical problems, the utility model provides the following technical solutions: a water environment pollution prevention and control sampling device, comprising a sampling bucket, a handle is arranged between the top ends of both sides of the sampling bucket, a pick-up and release pull rope is arranged at the middle position of the top end of the handle, a water outlet is arranged at the middle position of the bottom end of the sampling bucket, a counterweight block is arranged at the edge of the bottom end of the sampling bucket, a top cover is arranged at the top end of the inner side wall of the sampling bucket, a sleeve is arranged at the middle position inside the top cover, a movable cover is arranged inside the sleeve, a sampling hole is arranged at the top end of the inner side wall of the movable cover, an opening and closing pull rope is arranged at the middle position of the top end of the movable cover, a sealing gasket is arranged at the top end of the outer side of the movable cover, a positioning seat is arranged at the middle position of the bottom end of the top cover, a reset spring is arranged at the bottom end of the inner side of the positioning seat, and a connecting and fixing component is arranged between the side of the top cover and the top end of the inner side wall of the sampling bucket.

[0006] As a preferred technical solution of the utility model, the movable cover can be lifted and slid inside the sleeve, and the sealing gasket is annular.

[0007] As a preferred technical solution of the utility model, eight groups of sampling holes are provided, and the sampling holes are arranged at equal intervals on the inner side wall of the movable cover.

[0008] As a preferred technical solution of the utility model, the positioning seat is in a "U" shape, and the top end of the return spring is fixedly connected to the top end inside the movable cover.

[0009] As a preferred technical solution of the utility model, the connection and fixing assembly includes a mounting sleeve, which is arranged on the outside of the top cover, and a limiting plate is arranged on the inner side wall of the sampling barrel near the top.

[0010] As a preferred technical solution of the utility model, the limiting plate is annular, the outer side of the mounting sleeve is provided with an external thread, and the inner side wall of the sampling barrel is provided with an internal thread matching the external thread near the top.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. A sampling assembly is arranged between the inner side of the sleeve and the bottom end of the top cover. When the sampling bucket is sunk underwater, the movable cover is pulled and retracted into the sleeve by the tension of the reset spring. After the sampling bucket is sunk to the specified water extraction depth, the staff on the water pulls the opening and closing rope upward to pull the movable cover out of the sleeve and stretch the reset spring. The water sample can be poured into the interior of the sampling bucket through the sampling hole. After the sampling is completed, the opening and closing rope is released and the movable cover is pulled back into the sleeve by the reset tension of the reset spring, so that water at different levels is prevented from entering the sampling bucket during the process of pulling the sampling bucket, thereby achieving the effect of extracting water samples at different depths underwater according to the sampling requirements, and the sampling operation is convenient;

[0013] 2. A connecting and fixing assembly is provided between the side of the top cover and the top of the inner side wall of the sampling barrel. When in use, the mounting sleeve is fixed to the top of the inner side wall of the sampling barrel by a threaded connection, and its mounting depth is limited by an annular limiting plate. In this way, the purpose of firmly mounting the top cover and the sampling structure on the top of the inner side wall of the sampling barrel can be achieved, and it is also convenient to disassemble the device to clean the interior or replace and repair the structural parts, which is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 This is a bottom-up three-dimensional structural schematic diagram of the utility model;

[0016] Figure 3 This is a schematic diagram of a partial cross-sectional structure of a sampling barrel of the utility model;

[0017] Figure 4 For the utility model Figure 1 Enlarged structural diagram at A in the middle.

[0018] Among them: 1. Sampling bucket; 2. Sleeve; 3. Top cover; 4. Handle; 5. Open and close pull rope; 6. Take and put pull rope; 7. Movable cover; 8. Counterweight; 9. Water outlet; 10. Sampling hole; 11. Positioning seat; 12. Limiting plate; 13. Installation sleeve; 14. Reset spring; 15. Sealing gasket. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0020] Example

[0021] Please refer to Figure 1-4As shown, the utility model provides a water environment pollution prevention and control sampling device, including a sampling bucket 1, a handle 4 is arranged between the top ends of both sides of the sampling bucket 1, a take-and-place pull rope 6 is arranged at the middle position of the top end of the handle 4, and the take-and-place pull rope 6 is convenient for water workers to take and place the sampling bucket 1, a water outlet 9 is arranged at the middle position of the bottom end of the sampling bucket 1, a counterweight 8 is arranged at the edge of the bottom end of the sampling bucket 1, a top cover 3 is arranged at the top end of the inner side wall of the sampling bucket 1, a sleeve 2 is arranged at the middle position inside the top cover 3, a movable cover 7 is arranged inside the sleeve 2, and the movable cover 7 can be lifted and slid inside the sleeve 2, and a sampling hole 10 is arranged at the top end of the inner side wall of the movable cover 7, and the sampling holes 10 are arranged in eight groups, and the sampling holes 10 are arranged at equal intervals on the inner side wall of the movable cover 7, and a "U"-shaped positioning seat 11 is arranged at the middle position of the bottom end of the top cover 3, and a reset spring 14 is arranged at the bottom end of the inner side of the positioning seat 11, and the positioning seat 11, the reset spring The top of the spring 14 is fixedly connected to the top of the inner part of the movable cover 7. In the process of sinking the sampling bucket 1 into the water, the movable cover 7 is pulled and retracted into the interior of the sleeve 2 by the tension of the reset spring 14. The top of the outer top of the movable cover 7 is provided with an annular sealing gasket 15. The sealing gasket 15 ensures the sealing of the top when the movable cover 7 is retracted into the sleeve 2. An opening and closing pull rope 5 is provided at the middle position of the top of the movable cover 7. After the sampling bucket 1 is sunk to the specified water extraction depth, the staff on the water pulls the opening and closing pull rope 5 upward to pull the movable cover 7 out of the sleeve 2 and stretch the reset spring 14. Then the water sample can be poured into the interior of the sampling bucket 1 through the sampling hole 10. After the sampling is completed, the opening and closing pull rope 5 is released to pull the movable cover 7 back into the sleeve 2 by the reset tension of the reset spring 14, so as to avoid different layers of water from entering the sampling bucket 1 during the process of lifting the sampling bucket 1, thereby achieving the effect of extracting water samples at different depths underwater according to the sampling requirements, and the sampling operation is convenient;

[0022] In the process of sinking the sampling bucket 1 into the water, the movable cover 7 is pulled and retracted into the sleeve 2 by the tension of the return spring 14. After the sampling bucket 1 is sunk to the specified water depth, the staff on the water pulls the opening and closing rope 5 upward to pull the movable cover 7 out of the sleeve 2 and stretch the return spring 14, and the water sample can be poured into the sampling bucket 1 through the sampling hole 10. After the sampling is completed, the opening and closing rope 5 is released to pull the movable cover 7 back into the sleeve 2 by the return tension of the return spring 14, so as to prevent water at different levels from entering the sampling bucket 1 during the process of lifting the sampling bucket 1;

[0023] As a further implementation of this embodiment, Figure 1 , Figure 2 and Figure 3As shown, a connecting and fixing component is arranged between the side of the top cover 3 and the top of the inner side wall of the sampling barrel 1, and the connecting and fixing component includes a mounting sleeve 13, which is arranged on the outer side of the top cover 3, and the outer side of the mounting sleeve 13 is provided with an external thread, and the inner side wall of the sampling barrel 1 is provided with an internal thread matching the external thread near the top, and the mounting sleeve 13 is fixed to the top of the inner side wall of the sampling barrel 1 through a threaded connection, and the inner side wall of the sampling barrel 1 is provided with an annular limiting plate 12 near the top, and the installation depth thereof is limited by the annular limiting plate 12, so that the purpose of stably installing the top cover 3 and the sampling structure on the top of the inner side wall of the sampling barrel 1 can be achieved, and it is also convenient to disassemble the device to clean the interior or replace and repair the structural parts, and it is more practical;

[0024] Specific working principle:

[0025] When using the sampling device, firstly, the mounting sleeve 13 is fixed to the top of the inner side wall of the sampling barrel 1 by threaded connection, and the installation depth is limited by the annular limiting plate 12, so that the top cover 3 and the sampling structure can be firmly installed on the top of the inner side wall of the sampling barrel 1. After the sampling staff arrives at the designated sampling water area, they hold the take-in and put-out pull rope 6 and the opening and closing pull rope 5 to put the sampling barrel 1 into the water. In the process of sinking the sampling barrel 1 into the water, the movable cover 7 is pulled and retracted into the interior of the sleeve 2 by the pulling force of the reset spring 14, and the counterweight block 8 can be put in. The sampling bucket 1 is placed on the water surface to allow it to sink normally. After the sampling bucket 1 is sunk to the specified water extraction depth, the staff on the water pulls up the opening and closing rope 5 to pull the movable cover 7 out of the sleeve 2 and stretch the reset spring 14, and the water sample can be poured into the interior of the sampling bucket 1 through the sampling hole 10. After the sampling is completed, the opening and closing rope 5 is released to pull the movable cover 7 back into the sleeve 2 by the reset tension of the reset spring 14, so as to prevent water from different layers from entering the sampling bucket 1 during the process of lifting and pulling the sampling bucket 1. The sampling operation is completed by pulling the sampling bucket 1 out of the water by taking and releasing the rope 6.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A water environment pollution prevention and control sampling device, comprising a sampling barrel (1), characterized in that: A handle (4) is provided between the top ends of both sides of the sampling barrel (1); a take-and-put pull rope (6) is provided at the middle position of the top end of the handle (4); a water outlet (9) is provided at the middle position of the bottom end of the sampling barrel (1); a counterweight (8) is provided at the edge of the bottom end of the sampling barrel (1); a top cover (3) is provided at the top end of the inner side wall of the sampling barrel (1); a sleeve (2) is provided at the middle position inside the top cover (3); and a movable cover (7) is provided inside the sleeve (2). A sampling hole (10) is provided at the top end of the inner side wall of the movable cover (7), an opening and closing pull rope (5) is provided at the middle position of the top end of the movable cover (7), a sealing gasket (15) is provided at the top end of the outer side of the movable cover (7), a positioning seat (11) is provided at the middle position of the bottom end of the top cover (3), a return spring (14) is provided at the bottom end of the inner side of the positioning seat (11), and a connecting and fixing component is provided between the side of the top cover (3) and the top end of the inner side wall of the sampling barrel (1).

2. A water environment pollution prevention and control sampling device according to claim 1, characterized in that: The movable cover (7) can be lifted and slid inside the sleeve (2), and the sealing gasket (15) is annular.

3. The water environment pollution prevention and control sampling device according to claim 1 is characterized in that: The sampling holes (10) are arranged in eight groups, and the sampling holes (10) are arranged at equal intervals on the inner side wall of the movable cover (7).

4. The water environment pollution prevention and control sampling device according to claim 1 is characterized in that: The positioning seat (11) is in a "U" shape, and the top end of the return spring (14) is fixedly connected to the top end inside the movable cover (7).

5. The water environment pollution prevention and control sampling device according to claim 1, characterized in that: The connection and fixing assembly comprises a mounting sleeve (13), wherein the mounting sleeve (13) is arranged on the outside of the top cover (3), and a limiting plate (12) is arranged on the inner side wall of the sampling barrel (1) near the top.

6. A water environment pollution prevention and control sampling device according to claim 5, characterized in that: The limiting plate (12) is annular, the outer side of the mounting sleeve (13) is provided with an external thread, and the inner side wall of the sampling barrel (1) is provided with an internal thread matching the external thread near the top.

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