Sampling structure for water quality monitoring

Abstract

The utility model relates to a sampling structure for monitoring water quality, which comprises a negative pressure machine, a pipeline main body connected to the input end of the negative pressure machine, a filter screen arranged at one end of the pipeline main body, a main clamping piece, an auxiliary clamping piece and a limiter, the filter screen is detachably connected to the pipeline body through the main clamping piece and the auxiliary clamping piece in a clamping mode, the filter screen is convenient to replace or clean, when the water inlet end of the pipeline body is broken due to impact, the cracked portion of the pipeline body, the first rubber pipe and the second rubber pipe are cut off together, and the filter screen is not prone to being damaged. And new first rubber pipe and second rubber pipe fittings are subjected to hot melting again, and fittings such as a filter screen and the like can be mounted again, so that the pipeline can be reused.

Description

Technical Field

[0001] This utility model relates to the technical field of water quality monitoring, and in particular to a sampling structure for water quality monitoring. Background Technology

[0002] Water quality monitoring is the process of monitoring and measuring the types of pollutants in water bodies, the concentrations of various pollutants, and their changing trends to evaluate the water quality status. The monitoring scope is very broad, including unpolluted and polluted natural water and industrial wastewater. Traditional water sampling methods mainly involve direct sampling with sampling bottles. However, in severely polluted areas, sampling devices powered by negative pressure are used. A pipe is connected to the input end of the negative pressure machine, extending from the other end to the water source. The water sample is extracted using the principle of air pressure. To prevent large particles from clogging the pipe, a filter screen is installed at one end of the pipe. However, during use, the pipe inevitably hits rocks, damaging the sealing structure at the filter screen, which requires replacing the entire pipe, wasting resources. Summary of the Invention

[0003] To overcome the shortcomings of the prior art, the technical solution adopted by this utility model is: a sampling structure for water quality monitoring, including a negative pressure machine, a pipeline body connected to the input end of the negative pressure machine, and a filter screen disposed at one end of the pipeline body, and also including a main clamp, a secondary clamp and a limiter. The filter screen abuts against the pipeline body, and the main clamp and the secondary clamp clamp the pipeline body and the filter screen from the left and right. The pipeline body is fitted with a limiter to prevent the main clamp and the secondary clamp from falling off.

[0004] Using the above technical solution, the filter screen is detachably connected to the main body of the pipe by clamping through the main clamp and the auxiliary clamp, which facilitates the replacement or cleaning of the filter screen. In addition, the main clamp and the auxiliary clamp are metal parts, which increases the overall density of the water inlet end of the main body of the pipe and facilitates deep water sampling.

[0005] The present invention is further configured such that one end of the pipe body is provided with a first rubber tube and a second rubber tube, the main clamp and the auxiliary clamp are provided with a slot adapted to the first rubber tube, the main clamp and the auxiliary clamp are clamped to the pipe body and the filter screen through the slot, and the limiter is sleeved on the second rubber tube.

[0006] Furthermore, the main clamp and the auxiliary clamp are provided with mounting parts at both ends, and the mounting parts are provided with mounting holes. The auxiliary clamp is threadedly connected to the main clamp through the mounting holes.

[0007] Furthermore, the limiter includes a sleeve and a steel wire rope. The sleeve and the mounting part are respectively provided with a first limit hole and a second limit hole. The steel wire rope passes through the first limit hole and the second limit hole in sequence and is connected end to end to form a loop.

[0008] Furthermore, the height of the sleeve is greater than the thickness of the second hose, and the portion of the outer side of the sleeve that extends beyond the second hose forms an extension, with the first limiting hole located at the extension.

[0009] By adopting the above technical solution, when the water inlet end of the main pipe body is broken by impact, the main clamp and the auxiliary clamp are flexibly connected by steel wire rope to prevent the main clamp and the auxiliary clamp from falling into the water source.

[0010] The present invention is further provided with a sealing element on the outer side of the filter screen, and the filter screen is snapped into the slot by the sealing element.

[0011] By adopting the above technical solution, when the filter screen is attached to the main body of the pipe, the deformation of the sealing component fills the gap between the main body of the pipe and the main clamp and the auxiliary clamp, thereby improving the sealing performance of the water inlet end of the main body of the pipe.

[0012] The present invention is further configured such that the main body of the pipe is heat-fused to a first rubber tube and a second rubber tube.

[0013] Using the above technical solution, the first and second hoses are glued or heat-fused to the main body of the pipe. When the water inlet end of the main body of the pipe breaks due to impact, the limiter is moved upward, the main clamp and the auxiliary clamp are disassembled, and the cracked part of the main body of the pipe is cut off together with the first and second hoses. New first and second hoses are then glued or heat-fused to the cut pipe body. At the same time, accessories such as filter screens can be reassembled, so that the pipe can be reused.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. The filter screen is detachably connected to the main body of the pipe by clamping with the main clamp and the auxiliary clamp, which facilitates the replacement or cleaning of the filter screen.

[0016] 2. When the water inlet end of the main pipe breaks due to impact, the cracked part of the main pipe, together with the first and second rubber hoses, is cut off, and new first and second rubber hose fittings are re-melted. The filter screen and other accessories can be reinstalled, so that the pipe can be reused.

[0017] The embodiments of this utility model will be further described below with reference to the accompanying drawings. Attached Figure Description

[0018] Figure 1 This is a perspective view of the present utility model;

[0019] Figure 2 For the present utility model Figure 1 A magnified view of a section at point A in the middle;

[0020] Figure 3This is a half-sectional view of the end of the pipe body of this utility model;

[0021] Figure 4 For the present utility model Figure 3 A magnified view of a section at point B in the middle;

[0022] Figure 5 For the present utility model Figure 3 A magnified view of a section at point C;

[0023] Among them: 1-negative pressure machine, 2-pipe body, 3-filter screen, 4-main clamp, 5-secondary clamp, 6-limiter, 7-first hose, 8-second hose, 9-pipe sleeve, 10-steel wire rope, 11-sealant, 12-slot, 13-installation part, 14-installation hole, 15-first limit hole, 16-second limit hole, 17-extension part, 18-gap; Detailed Implementation

[0024] like Figure 1 , 2 As shown, this embodiment provides a sampling structure for water quality monitoring, including a negative pressure unit 1, a pipe body 2 connected to the input end of the negative pressure unit 1, and a filter screen 3 disposed at one end of the pipe body 2. The pipe body 2 and the filter screen 3 disposed at one end of the pipe body 2 also include a main clamp 4, a secondary clamp 5 and a limiter 6. The filter screen 3 abuts against the pipe body 2, and the main clamp 4 and the secondary clamp 5 clamp the pipe body 2 and the filter screen 3 from the left and right. The pipe body 2 is fitted with a limiter 6 to prevent the main clamp 4 and the secondary clamp 5 from falling off.

[0025] Combination Figure 3-5 As shown, in this embodiment, one end of the pipe body 2 is provided with a first hose 7 and a second hose 8. The main clamp 4 and the auxiliary clamp 5 are provided with slots 12 that are adapted to the first hose 7. The main clamp 4 and the auxiliary clamp 5 are clamped to the pipe body 2 and the filter screen 3 through the slots 12. The limiter 6 is sleeved on the second hose 8. The two ends of the main clamp 4 and the auxiliary clamp 5 are provided with mounting parts 13. The mounting parts 13 are provided with mounting holes 14. The auxiliary clamp 5 is threaded to the main clamp 4 through the mounting holes 14. The limiter 6 includes a sleeve 9 and a steel wire rope 10. The sleeve 9 and the mounting parts 13 are respectively provided with a first limit hole 15 and a second limit hole 16. The steel wire rope 10 passes through the first limit hole 15 and the second limit hole 16 in sequence and is connected end to end to form a loop. Specifically, the height of the sleeve 9 is greater than the thickness of the second hose 8, and the part of the outer side of the sleeve 9 that extends beyond the second hose 8 forms an extension 17. The first limit hole 15 is located at the extension 17. Specifically, the main body of the pipe 2 is heat-fused with a first rubber tube 7 and a second rubber tube 8.

[0026] In this utility model, the sleeve 9 is preferentially fitted and snapped onto the top of the second hose 8, leaving a gap 18 between the first limiting hole 15 and the pipe body 2 for the steel wire rope 10 to pass through. The filter screen 3 is placed against the bottom surface of the first hose 7, and the filter screen 3 is fixed to the pipe body 2 by the main clamp 4 and the auxiliary clamp 5. The main clamp 4 is connected to the auxiliary clamp 5 by bolt thread. The steel wire rope 10 is passed through the first limiting hole 15 and the second limiting hole 16 in sequence, and the two ends of the steel wire rope 10 are fixed into a ring by knotting or riveting. The overall structure is simple and easy to install.

[0027] like Figure 3 As shown, in this embodiment, a sealing element 11 is provided on the outer side of the filter screen 3, and the filter screen 3 is snapped into the slot 12 through the sealing element 11.

[0028] In this utility model, when the filter screen 3 is snapped into the pipe body 2, the sealing member 11 deforms and fills the gap between the pipe body 2 and the main clamp 4 and the auxiliary clamp 5, thereby improving the sealing performance of the water inlet end of the pipe body 2.

[0029] The working principle of this utility model is as follows: the pipe body 2 with filter screen 3 extends into the water source at one end, and the other end of the pipe body 2 is connected to a water pump. The negative pressure generated by the water pump draws the water sample filtered by the filter screen 3. When the water inlet end of the pipe body 2 is broken by impact, the limiter 6 is moved upward, the main clamp 4 and the auxiliary clamp 5 are disassembled, and the cracked part of the pipe body 2 is cut off together with the first rubber tube 7 and the second rubber tube 8. New first rubber tube 7 and second rubber tube 8 are then glued or heat-fused onto the cut pipe body 2. At the same time, the filter screen 3 can be reassembled, so that the pipe can be reused.

[0030] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A sampling structure for water quality monitoring, comprising a negative pressure unit (1), a pipeline body (2) connected to the input end of the negative pressure unit (1), and a filter screen (3) disposed at one end of the pipeline body (2), characterized in that, It also includes a main clamp (4), a secondary clamp (5) and a limiter (6). The filter screen (3) abuts against the pipe body (2). The main clamp (4) and the secondary clamp (5) clamp the pipe body (2) and the filter screen (3) from the left and right. The pipe body (2) is fitted with a limiter (6) to prevent the main clamp (4) and the secondary clamp (5) from falling off.

2. The sampling structure for water quality monitoring according to claim 1, characterized in that: One end of the pipe body (2) is provided with a first rubber tube (7) and a second rubber tube (8). The main clamp (4) and the auxiliary clamp (5) are provided with a slot (12) that is compatible with the first rubber tube (7). The main clamp (4) and the auxiliary clamp (5) are clamped to the pipe body (2) and the filter screen (3) through the slot (12). The limiter (6) is sleeved on the second rubber tube (8).

3. The sampling structure for water quality monitoring according to claim 2, characterized in that: The main clamp (4) and the auxiliary clamp (5) are provided with mounting parts (13) at both ends. The mounting parts (13) are provided with mounting holes (14). The auxiliary clamp (5) is threadedly connected to the main clamp (4) through the mounting holes (14).

4. The sampling structure for water quality monitoring according to claim 3, characterized in that: The limiter (6) includes a sleeve (9) and a wire rope (10). The sleeve (9) and the mounting part (13) are respectively provided with a first limit hole (15) and a second limit hole (16). The wire rope (10) passes through the first limit hole (15) and the second limit hole (16) in sequence and is connected end to end to form a loop.

5. The sampling structure for water quality monitoring according to claim 4, characterized in that: The height of the sleeve (9) is greater than the thickness of the second tube (8), and the portion of the outer side of the sleeve (9) that extends beyond the second tube (8) forms an extension (17), and the first limiting hole (15) is located at the extension (17).

6. The sampling structure for water quality monitoring according to claim 2, characterized in that: The filter screen (3) is provided with a sealing element (11) on the outside, and the filter screen (3) is snapped into the slot (12) by the sealing element (11).

7. A sampling structure for water quality monitoring according to claim 2, characterized in that: The main body of the pipe (2) is heat-fused with a first rubber tube (7) and a second rubber tube (8).

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