CN219956998U

CN219956998U - Sampler with edulcoration function for water quality testing

Info

Publication number: CN219956998U
Application number: CN202321219172.9U
Authority: CN
Inventors: 任峰涛
Original assignee: Zhongcheng Anhuan Tianjin Technology Co ltd
Current assignee: Zhongcheng Anhuan Tianjin Technology Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-11-03
Anticipated expiration: 2033-05-19

Abstract

The utility model relates to the technical field of water quality detection samplers and discloses a water quality detection sampler with a impurity removal function, which comprises a main body assembly, wherein the main body assembly comprises a sampling barrel, a sealing element, a connecting block, a shielding element and a supporting element, the sealing element is arranged in the sampling barrel, the connecting block is positioned at one side of the sampling barrel, the shielding element is arranged at the top of the sampling barrel, and the supporting element is positioned at the bottom of the sampling barrel; and the sampling assembly is arranged at the bottom of the main body assembly. The utility model has the beneficial effects that: can strike off the impurity on filter element surface through setting up the sampling subassembly to avoid blockking up the filter screen, filter jacket and filter ring carry out the spacing fixed mode of extrusion to the filter screen simultaneously, be convenient for change alone the filter screen, reduced use cost.

Description

Sampler with edulcoration function for water quality testing

Technical Field

The utility model relates to the technical field of water quality detection samplers, in particular to a water quality detection sampler with a impurity removal function.

Background

The water quality detection is a process for monitoring and measuring the types of pollutants in a water body, the concentration and the change trend of various pollutants, and evaluating the water quality condition, wherein the monitoring range is very wide, and the water quality detection comprises uncontaminated and polluted natural water, various industrial drainage and the like, the water quality detection range is very wide, and comprises frequent surface and underground water monitoring, monitoring of the production and living process of the monitoring and acute accident monitoring, the water quality monitoring can provide data and data for environmental management, can provide basis for evaluating the water quality condition of rivers and oceans, and the Chinese patent application number is 202123098444.8, and is a sampling device with a impurity removal function for the water quality detection of a river, and the beneficial effects are that: this river course water quality testing is with sampling device who has edulcoration function, benefit from the setting of anti-blocking assembly, when taking a sample the water in the river course, the water pressure at solid fixed ring and toper anti-blocking head position reduces, so the water in the river course enters into the sample bucket through toper anti-blocking head under the hydraulic effect, debris in the river course water can also be moved towards solid fixed ring and toper anti-blocking head simultaneously, owing to the unique toper structural design of toper anti-blocking head, debris can be at the arc face effect whereabouts of toper anti-blocking head after with the toper anti-blocking head contact, so be difficult for producing the jam, be favorable to guaranteeing the normal clear of sampling work.

When the sampler is collecting the water sample, the rivers get into the sampler through the sampling port in, and current sampler is after the repetitious usage, is blocked the filter screen of sampling port by the impurity in the aquatic easily to need frequently change the filter screen, make the consumption of filter screen great, and current filter screen and filter ring are mostly integrated design, inconvenient change alone the filter screen, make the cost of changing the filter screen higher.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The present utility model has been made in view of the above-mentioned and/or problems occurring in the conventional sampler for water quality detection having a function of removing impurities.

Therefore, the problem to be solved by the utility model is that the existing sampler is easy to block the filter screen of the sampling port by impurities in water after being used for a plurality of times, so that the filter screen needs to be replaced frequently, the consumption of the filter screen is high, and the existing filter screen and the filter ring are designed in an integrated way, so that the filter screen is not convenient to be replaced independently, and the cost for replacing the filter screen is high.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a sampler for water quality testing with edulcoration function, its includes, main part subassembly, including sample bucket, sealing member, connecting block, shelter from piece and support piece, the sealing member set up in the sample bucket, the connecting block is located sample bucket one side, shelter from the piece set up in sample bucket top, support piece is located sample bucket bottom; the method comprises the steps of,

the sampling assembly is arranged at the bottom of the main body assembly and comprises a fixing piece, a filtering piece, a impurity removing piece and a separating piece, wherein the fixing piece is arranged at the bottom of the sampling barrel, the filtering piece is positioned in the fixing piece, the impurity removing piece is arranged in the fixing piece, and the separating piece is arranged on the surface of the fixing piece.

As a preferable scheme of the sampler with the impurity removal function for water quality detection, the utility model comprises the following steps: the sealing piece comprises a supporting block, a sealing cover and a sealing ring, wherein the supporting block is arranged on the inner bottom wall of the sampling barrel, the sealing cover is positioned on the surface of the supporting block, and the sealing ring is arranged on one side of the sealing cover.

As a preferable scheme of the sampler with the impurity removal function for water quality detection, the utility model comprises the following steps: the sealing piece further comprises a first fixing block, a first magnetic block, a second fixing block and a second magnetic block, wherein the first fixing block is arranged on the inner bottom wall of the sampling barrel, the first magnetic block is positioned in the first fixing block, the second fixing block is arranged on one side of the sealing cover, and the second magnetic block is positioned in the second fixing block.

As a preferable scheme of the sampler with the impurity removal function for water quality detection, the utility model comprises the following steps: the shielding piece comprises a barrel cover and a handle, wherein the barrel cover is arranged in the sampling barrel, and the handle is positioned on one side of the barrel cover.

As a preferable scheme of the sampler with the impurity removal function for water quality detection, the utility model comprises the following steps: the support piece comprises a support ring and support legs, wherein the support ring is arranged at the bottom of the sampling barrel, and the support legs are positioned on one side of the support ring.

As a preferable scheme of the sampler with the impurity removal function for water quality detection, the utility model comprises the following steps: the mounting includes connecting pipe and sampling tube, the connecting pipe set up in the sampling barrel bottom, the sampling tube is located the connecting pipe surface.

As a preferable scheme of the sampler with the impurity removal function for water quality detection, the utility model comprises the following steps: the filter piece comprises a support bar, a filter sleeve, a filter ring and a filter screen, wherein the support bar is arranged on the inner wall of the sampling tube, the filter sleeve is positioned on one side of the support bar, the filter ring is arranged in the filter sleeve, and the filter screen is positioned in the filter ring.

As a preferable scheme of the sampler with the impurity removal function for water quality detection, the utility model comprises the following steps: the impurity removing piece comprises a limiting ring and a supporting seat, wherein the limiting ring is arranged in the sampling tube, and the supporting seat is positioned in the limiting ring.

As a preferable scheme of the sampler with the impurity removal function for water quality detection, the utility model comprises the following steps: the impurity removing piece further comprises a limiting column, a supporting column, a driving blade and a scraping strip, wherein the limiting column is arranged in the supporting seat, the supporting column is located at the end part of the limiting column, the driving blade is arranged on the surface of the supporting column, and the scraping strip is located at the end part of the supporting column.

As a preferable scheme of the sampler with the impurity removal function for water quality detection, the utility model comprises the following steps: the isolating piece comprises a fixing ring, an isolating cover and a fastening sleeve, wherein the fixing ring is arranged on the surface of the sampling tube, the isolating cover is positioned on the surface of the sampling tube, and the fastening sleeve is arranged on the surface of the sampling tube.

The utility model has the beneficial effects that: can strike off the impurity on filter element surface through setting up the sampling subassembly to avoid blockking up the filter screen, filter jacket and filter ring carry out the spacing fixed mode of extrusion to the filter screen simultaneously, be convenient for change alone the filter screen, reduced use cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a block diagram of a water quality testing sampler with impurity removal.

FIG. 2 is a schematic cross-sectional view of a water quality testing probe with impurity removal.

FIG. 3 is a partial sectional view of a water quality detecting sampler with impurity removing function.

FIG. 4 is an enlarged view of the part of the water quality detecting probe with impurity removing function at A in FIG. 3.

FIG. 5 is an enlarged view of the part of the water quality detecting probe with impurity removing function at B in FIG. 3.

FIG. 6 is an enlarged view of the part of the structure of the water quality detecting sampler with impurity removing function at C in FIG. 3.

FIG. 7 is a schematic diagram showing the positional relationship between a filter ring and a scraper of a sampler for water quality detection with impurity removal.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 7, in a first embodiment of the present utility model, a sampler for water quality testing with impurity removal function is provided, which includes a main body assembly 100 and a sampling assembly 200, wherein the main body assembly 100 is used for storing a water sample, the sampling assembly 200 is used for delivering the water into the main body assembly 100, and through the cooperation of the main body assembly 100 and the sampling assembly, the filter screen 202d can be prevented from being blocked by impurities during sampling, and meanwhile, the filter screen 202d can be replaced independently, so that the use cost is reduced.

Specifically, the main body assembly 100 includes a sampling barrel 101, a sealing member 102, a connecting block 103, a shielding member 104 and a supporting member 105, wherein the sealing member 102 is disposed in the sampling barrel 101, the connecting block 103 is disposed on one side of the sampling barrel 101, the shielding member 104 is disposed on the top of the sampling barrel 101, and the supporting member 105 is disposed on the bottom of the sampling barrel 101.

The sampling bucket 101 is used for storing the water sample, sealing member 102 is used for sealing the water inlet of sampling bucket 101 bottom, the quantity of connecting block 103 has two, be fixed in sampling bucket 101 both sides respectively, and the through-hole has been seted up on connecting block 103 surface, the staff of being convenient for fixes the rope on connecting block 103, thereby be convenient for sample sampling bucket 101 and carry, shielding member 104 is used for sealing sampling bucket 101, prevent that external debris from drifting down in sampling bucket 101, support member 105 is used for supporting fixedly sampling bucket 101, be convenient for place sampling bucket 101, the water guide mouth has been seted up at sampling bucket 101 top edge simultaneously, be convenient for pour the water sample in the sampling bucket 101.

The sampling assembly 200 is arranged at the bottom of the main body assembly 100 and comprises a fixing piece 201, a filtering piece 202, a impurity removing piece 203 and a separating piece 204, wherein the fixing piece 201 is arranged at the bottom of the sampling barrel 101, the filtering piece 202 is arranged in the fixing piece 201, the impurity removing piece 203 is arranged in the fixing piece 201, and the separating piece 204 is arranged on the surface of the fixing piece 201.

The mounting 201 is used for carrying out fixed stay to filter element 202, edulcoration piece 203 and separator 204, in the water sample flows into sampling barrel 101 through the mounting 201 simultaneously, filter element 202 is used for filtering great impurity and particulate matter in the water, edulcoration piece 203 is used for getting rid of the impurity on filter element 202 surface, prevent impurity influence filter element 202's trafficability characteristic, extension filter element 202's live time reduces the change number of times to filter element 202, separator 204 is used for keeping apart the floater such as duckweed in the water, prevent that floater such as duckweed from blockking up filter element 202, thereby influence filter element 202's trafficability characteristic, separator 204 can store the partial impurity of edulcoration piece 203 clearance simultaneously, prevent impurity from blockking up filter element 202 once more.

Specifically, the sealing member 102 includes a supporting block 102a, a sealing cover 102b and a sealing ring 102c, the supporting block 102a is disposed on the inner bottom wall of the sampling barrel 101, the sealing cover 102b is disposed on the surface of the supporting block 102a, and the sealing ring 102c is disposed on one side of the sealing cover 102 b.

The supporting block 102a is fixed on the inner bottom wall of the sampling barrel 101, the sealing cover 102b is rotatably connected to the surface of the supporting block 102a through a rotating shaft, so that the sealing cover 102b can swing, the sealing ring 102c is fixed on one side of the sealing cover 102b, and the sealing ring 102c is located around the water inlet of the inner bottom wall of the sampling barrel 101 and used for sealing the water inlet of the sampling barrel 101.

Specifically, the sealing member 102 further includes a first fixing block 102d, a first magnetic block 102e, a second fixing block 102f, and a second magnetic block 102g, where the first fixing block 102d is disposed on the inner bottom wall of the sampling barrel 101, the first magnetic block 102e is located in the first fixing block 102d, the second fixing block 102f is disposed on one side of the sealing cover 102b, and the second magnetic block 102g is located in the second fixing block 102 f.

The first fixed block 102d is fixed on the inner bottom wall of the sampling barrel 101, the first magnetic block 102e is embedded in the first fixed block 102d, the second fixed block 102f is fixed on one side of the sealing cover 102b, the second magnetic block 102g is embedded in the second fixed block 102f, the first magnetic block 102e and the second magnetic block 102g are mutually attracted, when the sampling barrel 101 is placed on the water surface, the first magnetic block 102e and the second magnetic block 102g can be mutually separated under the impact of water flow, at the moment, the sealing cover 102b drives the sealing ring 102c to be far away from the inner bottom wall of the sampling barrel 101, the sealing of the water inlet of the sampling barrel 101 is released, at the moment, a water sample enters the sampling barrel 101 from the water inlet, and when the sampling barrel 101 is lifted out from the water, under the action of the water pressure in the sampling barrel 101, the sealing cover 102b drives the sealing ring 102c to seal the water inlet of the sampling barrel 101, and simultaneously the first magnetic block 102e and the second magnetic block 102g are mutually attracted.

Specifically, the shutter 104 includes a cover 104a and a handle 104b, the cover 104a is disposed in the sampling barrel 101, and the handle 104b is disposed on one side of the cover 104a.

The barrel cover 104a is clamped in the sampling barrel 101 and used for sealing the sampling barrel 101, so that external sundries are prevented from entering the sampling barrel 101, and the handle 104b is fixed on the top of the barrel cover 104a, so that a worker can conveniently open the barrel cover 104a.

Example 2

Referring to fig. 1 to 4, 6 and 7, a second embodiment of the present utility model is based on the previous embodiment.

Specifically, the support member 105 includes a support ring 105a and support legs 105b, the support ring 105a is disposed at the bottom of the sampling barrel 101, and the support legs 105b are disposed at one side of the support ring 105 a.

The support ring 105a is fixed on the bottom of the sampling barrel 101 and is used for fixedly supporting the sampling barrel 101, three support legs 105b are fixed on the bottom of the support ring 105a and are used for fixedly supporting the support ring 105a, so that the sampling barrel 101 is stably supported.

Specifically, the fixing member 201 includes a connection pipe 201a and a sampling pipe 201b, the connection pipe 201a is disposed at the bottom of the sampling barrel 101, and the sampling pipe 201b is disposed on the surface of the connection pipe 201 a.

The connecting pipe 201a is fixed at the bottom of the sampling barrel 101, the sampling pipe 201b is connected to the surface of the connecting pipe 201a in a threaded rotation mode, and the sampling pipe 201b is used for conveying a water sample into the sampling barrel 101.

Specifically, the filter element 202 includes a support bar 202a, a filter sleeve 202b, a filter ring 202c and a filter screen 202d, wherein the support bar 202a is disposed on the inner wall of the sampling tube 201b, the filter sleeve 202b is disposed on one side of the support bar 202a, the filter ring 202c is disposed in the filter sleeve 202b, and the filter screen 202d is disposed in the filter ring 202 c.

Four support bars 202a are fixed on the inner wall of the sampling tube 201b and used for limiting the filter sleeve 202b, the filter sleeve 202b is used for fixedly supporting the filter sleeve 202c and the filter screen 202d, the filter sleeve 202c is inserted into the filter sleeve 202b, the filter screen 202d is fixed in the filter sleeve 202c through extrusion of the filter sleeve 202b and the filter sleeve 202c, when the filter screen 202d needs to be replaced, the filter sleeve 202c can be taken out from the filter sleeve 202b, the filter screen 202d is removed, a new filter screen 202d is placed on the surface of the filter sleeve 202b, the filter sleeve 202c drives the filter screen 202d to be inserted into the filter sleeve 202b, the filter screen 202d is fixed, the inner ring of the filter sleeve 202b is slightly higher than the outer ring, after the filter sleeve 202c is inserted into the filter sleeve 202b, the filter screen 202d and the filter sleeve 202c are slightly lower than the filter screen 202d on one side of the filter sleeve 202b under the support of the filter sleeve 202b, meanwhile, the filter screen 202d cannot be removed from the filter screen 202d, the height difference between the filter screen 202d and the filter screen 202c cannot be removed to the surface of the filter screen 204, and sundries cannot be removed from the surface of the filter screen 202d.

Example 3

Referring to fig. 3, 4, 6 and 7, a third embodiment of the present utility model is based on the first two embodiments.

Specifically, the impurity removing member 203 includes a limiting ring 203a and a supporting seat 203b, the limiting ring 203a is disposed in the sampling tube 201b, and the supporting seat 203b is disposed in the limiting ring 203 a.

The end of the sampling tube 201b is provided with a mounting groove, the limiting ring 203a is clamped in the mounting groove, after the limiting ring 203a is clamped in the mounting groove, one side of the limiting ring 203a is flush with the end of the sampling tube 201b, the supporting seat 203b is fixed in the limiting ring 203a through a transverse rod, and the supporting seat 203b is cylindrical and tubular.

Specifically, the impurity removing member 203 further includes a limiting post 203c, a supporting post 203d, a driving blade 203e and a scraping strip 203f, the limiting post 203c is disposed in the supporting base 203b, the supporting post 203d is located at an end of the limiting post 203c, the driving blade 203e is disposed on a surface of the supporting post 203d, and the scraping strip 203f is located at an end of the supporting post 203 d.

The spacing post 203c rotates to be connected in supporting seat 203b, the support column 203d is fixed in spacing post 203c tip, driving leaf 203e is fixed in the support column 203d surface in the angle that inclines, when rivers flow from driving leaf 203e one side, driving leaf 203e can be pushed by rivers, thereby make driving leaf 203e drive support column 203d rotate, scrape the strip 203f and be fixed in the support column 203d tip, and scrape strip 203f and lie in filter ring 202c one side, can spacing filter ring 202c, prevent filter ring 202c and filter sleeve 202b from droing, simultaneously, when driving leaf 203e drives support column 203d and rotates, support column 203d can drive scrape strip 203f and rotate, make scrape strip 203f stir rivers and flow on filter screen 202d surface, can make rivers take away the debris on filter screen 202d surface, scrape strip 203f can promote debris into spacer 204 simultaneously, prevent debris from blocking up filter screen 202d again.

Specifically, the spacer 204 includes a fixing ring 204a, a spacer cover 204b, and a fastening sleeve 204c, where the fixing ring 204a is disposed on the surface of the sampling tube 201b, the spacer cover 204b is disposed on the surface of the sampling tube 201b, and the fastening sleeve 204c is disposed on the surface of the sampling tube 201 b.

The fixed ring 204a is fixed on the surface of the sampling tube 201b, the isolation cover 204b slides on the surface of the sampling tube 201b, the isolation cover 204b is located on one side of the fixed ring 204a, the isolation cover 204b is limited through the fixed ring 204a, the fastening sleeve 204c is connected on the surface of the sampling tube 201b through screw threads in a rotating mode, the fastening sleeve 204c is located on one side of the isolation cover 204b and used for extruding and fixing the isolation cover 204b, meanwhile, the fastening sleeve 204c can extrude and limit the limiting ring 203a to prevent the limiting ring 203a from falling off from the sampling tube 201b, through holes are formed in the position of the sampling tube 201b on one side of the fixed ring 204a, the number of the through holes is three, the through holes are distributed on the surface of the sampling tube 201b in a circumferential mode, a large number of round holes are formed in the surface of the isolation cover 204b, the scraping strips 203f can be pushed into the isolation cover 204b through the through holes on the surface of the sampling tube 201b, and are collected in the isolation cover 204b, sundries are prevented from entering the sampling tube 201b again, and the filter screen 202d is blocked.

When the sampler is used, the sampler is placed in water to be sampled, water samples flow into the sampling barrel 101 through the sampling tube 201b, in the process, water flows through one side of the driving blade 203e, the driving blade 203e can be pushed by the water flow, so that the driving blade 203e drives the supporting column 203d to rotate, the supporting column 203d can drive the scraping strip 203f to rotate, the scraping strip 203f agitates the water flow on the surface of the filtering net 202d, the water flow can be enabled to take away impurities on the surface of the filtering net 202d, meanwhile, the scraping strip 203f can push the impurities into the isolation cover 204b, the impurities are prevented from blocking the filtering net 202d again, meanwhile, the impurities are collected in the isolation cover 204b, the impurities are prevented from entering the sampling tube 201b again, the filtering net 202d is blocked, when the water flow starts to enter the sampling barrel 101 from the connecting tube 201a, the water pressure can wash the sealing cover 102b, the first magnetic block 102e and the second magnetic block 102g are separated, the water samples can smoothly enter the sampling barrel 101, when the sampling barrel 101 is in a certain volume, the water sample can be pulled, the water sample barrel can be pulled out of the water sampling barrel 101, and the water sample can be sealed by the sealing cover 102c under the water sampling barrel 101 b, and the water sample can be sealed by the sealing cover 102 b.

When the filter screen 202d needs to be replaced, the fastening sleeve 204c can be rotated, the fastening sleeve 204c is removed from the sampling tube 201b, the limit of the fastening sleeve 204c on the limiting ring 203a and the isolation cover 204b is released, the isolation cover 204b is removed, impurities in the isolation cover 204b are cleaned, meanwhile, the limiting ring 203a is pulled, the impurity removing piece 203 is taken out of the sampling tube 201b, at the moment, the filter sleeve 202b can be removed from the sampling tube 201b, the filter ring 202c is taken out of the filter sleeve 202b, the filter screen 202d is removed, a new filter screen 202d is placed on the surface of the filter sleeve 202b, the filter ring 202c drives the filter screen 202d to be inserted into the filter sleeve 202b, the filter screen 202d is fixed, the filter sleeve 202b is slid into the sampling tube 201b, the filter sleeve 202b is moved to one side of the support bar 202a, and the limiting ring 203a and the isolation cover 204b are respectively installed back to the original position, and replacement of the filter screen 202d is completed.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. Sampler for water quality testing with edulcoration function, its characterized in that: comprising the steps of (a) a step of,

the main body assembly (100) comprises a sampling barrel (101), a sealing element (102), a connecting block (103), a shielding element (104) and a supporting element (105), wherein the sealing element (102) is arranged in the sampling barrel (101), the connecting block (103) is positioned on one side of the sampling barrel (101), the shielding element (104) is arranged at the top of the sampling barrel (101), and the supporting element (105) is positioned at the bottom of the sampling barrel (101); the method comprises the steps of,

the sampling assembly (200) is arranged at the bottom of the main body assembly (100), and comprises a fixing piece (201), a filtering piece (202), a impurity removing piece (203) and a separating piece (204), wherein the fixing piece (201) is arranged at the bottom of the sampling barrel (101), the filtering piece (202) is arranged in the fixing piece (201), the impurity removing piece (203) is arranged in the fixing piece (201), and the separating piece (204) is arranged on the surface of the fixing piece (201).

2. The sampler for water quality detection with impurity removal function as claimed in claim 1, wherein: the sealing element (102) comprises a supporting block (102 a), a sealing cover (102 b) and a sealing ring (102 c), wherein the supporting block (102 a) is arranged on the inner bottom wall of the sampling barrel (101), the sealing cover (102 b) is positioned on the surface of the supporting block (102 a), and the sealing ring (102 c) is arranged on one side of the sealing cover (102 b).

3. The sampler for water quality detection with impurity removal function as claimed in claim 2, wherein: the sealing element (102) further comprises a first fixing block (102 d), a first magnetic block (102 e), a second fixing block (102 f) and a second magnetic block (102 g), wherein the first fixing block (102 d) is arranged on the inner bottom wall of the sampling barrel (101), the first magnetic block (102 e) is positioned in the first fixing block (102 d), the second fixing block (102 f) is arranged on one side of the sealing cover (102 b), and the second magnetic block (102 g) is positioned in the second fixing block (102 f).

4. The sampler for water quality detection with impurity removal function as claimed in claim 3, wherein: the shielding piece (104) comprises a barrel cover (104 a) and a handle (104 b), wherein the barrel cover (104 a) is arranged in the sampling barrel (101), and the handle (104 b) is positioned on one side of the barrel cover (104 a).

5. The sampler for water quality detection with impurity removal function as claimed in claim 4, wherein: the support piece (105) comprises a support ring (105 a) and support legs (105 b), wherein the support ring (105 a) is arranged at the bottom of the sampling barrel (101), and the support legs (105 b) are positioned on one side of the support ring (105 a).

6. The sampler for water quality detection with impurity removal function as claimed in claim 4 or 5, wherein: the fixing piece (201) comprises a connecting pipe (201 a) and a sampling pipe (201 b), the connecting pipe (201 a) is arranged at the bottom of the sampling barrel (101), and the sampling pipe (201 b) is located on the surface of the connecting pipe (201 a).

7. The sampler for water quality detection with impurity removal function as claimed in claim 6, wherein: the filter element (202) comprises a support bar (202 a), a filter sleeve (202 b), a filter ring (202 c) and a filter screen (202 d), wherein the support bar (202 a) is arranged on the inner wall of the sampling tube (201 b), the filter sleeve (202 b) is positioned on one side of the support bar (202 a), the filter ring (202 c) is arranged in the filter sleeve (202 b), and the filter screen (202 d) is positioned in the filter ring (202 c).

8. The sampler for water quality detection with impurity removal function as claimed in claim 7, wherein: the impurity removing piece (203) comprises a limiting ring (203 a) and a supporting seat (203 b), wherein the limiting ring (203 a) is arranged in the sampling tube (201 b), and the supporting seat (203 b) is positioned in the limiting ring (203 a).

9. The sampler for water quality detection with impurity removal function as claimed in claim 8, wherein: the impurity removing piece (203) further comprises a limiting column (203 c), a supporting column (203 d), a driving blade (203 e) and a scraping strip (203 f), wherein the limiting column (203 c) is arranged in the supporting seat (203 b), the supporting column (203 d) is located at the end part of the limiting column (203 c), the driving blade (203 e) is arranged on the surface of the supporting column (203 d), and the scraping strip (203 f) is located at the end part of the supporting column (203 d).

10. The sampler for water quality detection with impurity removal function as claimed in claim 8 or 9, wherein: the isolation piece (204) comprises a fixing ring (204 a), an isolation cover (204 b) and a fastening sleeve (204 c), wherein the fixing ring (204 a) is arranged on the surface of the sampling tube (201 b), the isolation cover (204 b) is positioned on the surface of the sampling tube (201 b), and the fastening sleeve (204 c) is arranged on the surface of the sampling tube (201 b).