Sampling and filtering device for water quality monitoring

Abstract

The utility model discloses a sampling and filtering device for water quality monitoring, which comprises a filtering sleeve, a first longitudinal grid is arranged on the side wall of the filtering sleeve, a transverse grid is arranged on the inner wall of the first longitudinal grid, an adjusting sleeve is sleeved at the outer end of the filtering sleeve, and a cleaning cover is arranged at the bottom of the adjusting sleeve. The side wall of the adjusting sleeve is provided with a second longitudinal grid with the same size as the first longitudinal grid, the outer end face of the filtering sleeve is provided with an annular flange, the bottom of the annular flange is provided with an inserting groove, and the adjusting sleeve is inserted into the inserting groove to be rotationally connected with the filtering sleeve. The adjusting sleeve is rotatably connected to the outer end of the filtering sleeve, and the coincidence area of the second longitudinal grating on the adjusting sleeve and the first longitudinal grating on the filtering sleeve is changed by rotating the adjusting sleeve, so that the filtering aperture of the equipment is changed, and the filtering aperture can be adjusted when the equipment faces different water qualities; and the sampling efficiency and the filtering precision are adjusted.

Description

Technical Field

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

[0002] Water quality monitoring is the process of monitoring and measuring the types of pollutants in water, the concentrations of various pollutants and their changing trends, and evaluating the water quality. In the prior art, the water inlet of the water quality monitoring sampling device generally has a filter to prevent impurities in the water from entering the inner cavity of the sampling device.

[0003] The filters of existing water quality monitoring devices are mostly fixed structures. After the sampling device is used, it is inconvenient to clean the filters, and the pore size of the filters cannot be adjusted. The requirements for filters vary with different water quality. When the water quality is relatively clear and there are almost no impurities in the water, only a large-aperture filter is needed to intercept aquatic plants and increase the sampling speed. When the water quality is relatively turbid and there are more impurities in the water, a smaller-aperture filter is required to prevent too many impurities from entering the sampler and affecting the detection. The filters of existing sampling equipment are mostly fixed structures, which are inconvenient to replace and the filtration pore size cannot be adjusted. Therefore, a water quality monitoring sampling filter device is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a water quality monitoring sampling filter device, which has the advantage of adjustable filter aperture, and solves the problems in the prior art that the filter space of the water quality monitoring filter device is inconvenient to adjust and the filter screen of the water quality monitoring filter equipment is inconvenient to clean.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water quality monitoring sampling and filtering device, comprising a filter sleeve, a side wall of the filter sleeve is provided with a first longitudinal grid, an inner wall of the first longitudinal grid is provided with a transverse grid, an outer end of the filter sleeve is sleeved with an adjustment sleeve, and a cleaning cover is provided at the bottom of the adjustment sleeve;

[0006] The side wall of the adjusting sleeve is provided with a second longitudinal grid having the same size as the first longitudinal grid, the outer end surface of the filter sleeve is provided with an annular flange, the bottom of the annular flange is provided with a slot, and the adjusting sleeve is inserted into the slot and rotatably connected with the filter sleeve.

[0007] As a preferred water quality monitoring sampling and filtering device of the utility model, a clamping strip is provided on the top of the outer end surface of the adjusting sleeve, and a clamping groove corresponding to the shape of the clamping strip is provided on the side wall of the slot, and the adjusting sleeve and the filtering sleeve are clamped together through the clamping strip and the clamping groove.

[0008] As a preferred water quality monitoring sampling and filtering device of the utility model, the first longitudinal grid and the second longitudinal grid are composed of a plurality of circular array bars.

[0009] As a preferred embodiment of the water quality monitoring sampling and filtering device of the utility model, the bottom edge of the adjusting sleeve is provided with an anti-slip strip.

[0010] As a preferred embodiment of the water quality monitoring sampling and filtering device of the utility model, the upper end surface of the cleaning cover is provided with bristles.

[0011] As a preferred water quality monitoring sampling and filtering device of the utility model, a concealed groove is provided at the bottom of the adjusting sleeve, an external thread is provided at the side of the cleaning cover, an internal thread is provided in the concealed groove, and the cleaning cover and the adjusting sleeve are threadably connected by the matching internal and external threads.

[0012] As a preferred embodiment of the water quality monitoring sampling and filtering device of the utility model, a finger groove is provided at the bottom of the cleaning cover, and a vertical plate is provided at the center of the finger groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model provides a rotatably connected adjusting sleeve at the outer end of the filter sleeve. By rotating the adjusting sleeve, the overlapping area of ​​the second longitudinal grid on the adjusting sleeve and the first longitudinal grid on the filter sleeve is changed, thereby changing the filter aperture of the device. When the device faces different water qualities, the filter aperture can be adjusted to adjust between the sampling efficiency and the filtering accuracy, thereby improving the application range of the device.

[0015] 2. The utility model has a snap-on filter sleeve and adjustment sleeve structure, which makes it easy to disassemble the filter sleeve and the adjustment sleeve for cleaning, thereby improving the convenience of the equipment. A cleaning cover is provided at the bottom of the adjustment sleeve. After sampling is completed, the filter sleeve and the adjustment sleeve can be conveniently brushed on the spot, further improving the cleaning efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an exploded view of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the utility model from a first perspective;

[0018] Figure 3 This is a schematic diagram of the structure of the utility model from a second viewing angle;

[0019] Figure 4 It is a front cross-sectional view of the utility model;

[0020] Figure 5For the utility model Figure 4 Enlarged view of point A in the middle.

[0021] In the figure: 1. filter sleeve; 101. first longitudinal grille; 102. transverse grille; 103. annular flange; 104. slot; 105. card slot; 2. adjustment sleeve; 201. second longitudinal grille; 202. anti-slip strip; 203. hidden groove; 204. card strip; 205. grid bar; 3. cleaning cover; 301. finger groove; 302. vertical plate; 303. bristles. DETAILED DESCRIPTION

[0022] See also Figure 1-Figure 5 , a water quality monitoring sampling and filtering device, comprising a filter sleeve 1, a first longitudinal grid 101 is arranged on the side wall of the filter sleeve 1, a transverse grid 102 is arranged on the inner wall of the first longitudinal grid 101, an adjustment sleeve 2 is sleeved on the outer end of the filter sleeve 1, and a cleaning cover 3 is arranged on the bottom of the adjustment sleeve 2;

[0023] The side wall of the adjusting sleeve 2 is provided with a second longitudinal grid 201 of the same size as the first longitudinal grid 101, the outer end face of the filter sleeve 1 is provided with an annular flange 103, the bottom of the annular flange 103 is provided with a slot 104, and the adjusting sleeve 2 is inserted into the slot 104 and rotatably connected with the filter sleeve 1.

[0024] When the filtering device is in use, it is installed at the water inlet of the sampling device. According to the water quality to be sampled, the adjusting sleeve 2 is rotated. If the water quality is very clear, the adjusting sleeve 2 is rotated until the first longitudinal grid 101 and the second longitudinal grid 201 completely overlap, thereby increasing the water inlet area as much as possible, and the first longitudinal grid 101 and the transverse grid 102 can be used to intercept aquatic plants and large pieces of garbage. If the water quality is turbid, the adjusting sleeve 2 is rotated until the second longitudinal grid 201 blocks the gap of the first longitudinal grid 101, and the water inlet gap of the first longitudinal grid 101 is reduced, thereby improving the filtering effect. After the sampling is completed, the adjusting sleeve 2 is pulled out downward with force, and the vertical plate 302 is rotated to remove the cleaning cover 3, and the adjusting sleeve 2 and the filter sleeve 1 are brushed with the bristles 303 on the cleaning cover 3.

[0025] Furthermore, a clamping strip 204 is provided on the top of the outer end surface of the adjusting sleeve 2 , and a clamping groove 105 corresponding to the shape of the clamping strip 204 is provided on the side wall of the slot 104 . The adjusting sleeve 2 and the filter sleeve 1 are clamped together through the clamping strip 204 and the clamping groove 105 .

[0026] After the adjusting sleeve 2 is inserted into the slot 104, the clamping strip 204 is clamped into the clamping groove 105 to prevent the adjusting sleeve 2 from falling. The clamping structure allows the filter sleeve 1 and the adjusting sleeve 2 to be removed, making it convenient to brush the filter sleeve 1 and the adjusting sleeve 2.

[0027] Furthermore, the first longitudinal grid 101 and the second longitudinal grid 201 are composed of a plurality of circular array bars 205 , wherein the bars 205 are a plurality of arc-shaped vertical strips, and the angle between adjacent bars 205 is equal to the central angle of the corresponding bar 205 .

[0028] When the second longitudinal grid 201 overlaps with the first longitudinal grid 101, the filtration aperture of the filter sleeve 1 is at its maximum state. When the second longitudinal grid 201 is staggered with the first longitudinal grid 101, the filtration aperture of the filter sleeve 1 is at its minimum state. The adjustment sleeve 2 can be rotated to make the second longitudinal grid 201 block the gap between the bars 205 on the first longitudinal grid 101, thereby reducing the filtration aperture of the filter sleeve 1 to achieve the purpose of adjusting the filtration aperture, which is convenient for adjusting the filtration aperture according to different water sample environments and realizing fast and accurate sampling.

[0029] Furthermore, an anti-slip strip 202 is provided on the bottom edge of the adjusting sleeve 2 .

[0030] The anti-slip strip 202 facilitates the rotation of the adjusting sleeve 2, thereby preventing water stains on the surface of the adjusting sleeve 2 from causing the adjusting sleeve 2 to slip during rotation, thereby affecting the adjustment accuracy.

[0031] Furthermore, the upper end surface of the cleaning cover 3 is provided with bristles 303 .

[0032] When sampling is completed, the cleaning cover 3 can be removed, the filter sleeve 1 and the adjustment sleeve 2 can be separated, and the side walls of the filter sleeve 1 and the adjustment sleeve 2 can be brushed with the bristles 303 on the surface of the cleaning cover 3, which greatly improves the convenience of equipment cleaning.

[0033] Furthermore, a hidden groove 203 is provided at the bottom of the adjusting sleeve 2, an external thread is provided on the side of the cleaning cover 3, an internal thread is provided in the hidden groove 203, and the cleaning cover 3 and the adjusting sleeve 2 are threadedly connected through the matching internal and external threads.

[0034] The cleaning cover 3 is stored in the dark groove 203 at the bottom of the adjusting sleeve 2, which improves the portability of the device and ensures the aesthetics of the device.

[0035] Furthermore, a finger groove 301 is provided at the bottom of the cleaning cover 3 , and a vertical plate 302 is provided at the center of the finger groove 301 .

[0036] The vertical plate 302 facilitates the knob cleaning cover 3, thereby making it convenient to remove the cleaning cover 3 and scrub the equipment.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A water quality monitoring sampling and filtering device, comprising a filter sleeve (1), the side wall of the filter sleeve (1) is provided with a first longitudinal grid (101), the inner wall of the first longitudinal grid (101) is provided with a transverse grid (102), characterized in that: An adjusting sleeve (2) is sleeved on the outer end of the filter sleeve (1), and a cleaning cover (3) is provided at the bottom of the adjusting sleeve (2); The side wall of the adjusting sleeve (2) is provided with a second longitudinal grid (201) of the same size as the first longitudinal grid (101); the outer end surface of the filter sleeve (1) is provided with an annular flange (103); the bottom of the annular flange (103) is provided with a slot (104); the adjusting sleeve (2) is inserted into the slot (104) and is rotatably connected to the filter sleeve (1).

2. A water quality monitoring sampling and filtering device according to claim 1, characterized in that: The top of the outer end surface of the adjusting sleeve (2) is provided with a clamping strip (204), and the side wall of the slot (104) is provided with a clamping groove (105) corresponding to the shape of the clamping strip (204). The adjusting sleeve (2) and the filter sleeve (1) are clamped together through the clamping strip (204) and the clamping groove (105).

3. A water quality monitoring sampling and filtering device according to claim 2, characterized in that: The first longitudinal grid (101) and the second longitudinal grid (201) are composed of a plurality of circumferential arrays of grid bars (205).

4. The water quality monitoring sampling and filtering device according to claim 3 is characterized in that: The bottom edge of the adjustment sleeve (2) is provided with an anti-slip strip (202).

5. The water quality monitoring sampling and filtering device according to claim 1 is characterized in that: The upper end surface of the cleaning cover (3) is provided with brush bristles (303).

6. The water quality monitoring sampling and filtering device according to claim 5, characterized in that: The bottom of the adjusting sleeve (2) is provided with a concealed groove (203), the side of the cleaning cover (3) is provided with an external thread, the concealed groove (203) is provided with an internal thread, and the cleaning cover (3) and the adjusting sleeve (2) are threadedly connected via the matching internal and external threads.

7. The water quality monitoring sampling and filtering device according to claim 6 is characterized in that: The bottom of the cleaning cover (3) is provided with a finger groove (301), and the center of the finger groove (301) is provided with a vertical plate (302).

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