CN116223124A

CN116223124A - Water sampling device for environment detection

Info

Publication number: CN116223124A
Application number: CN202310382544.8A
Authority: CN
Inventors: 王建永
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-06-06

Abstract

The invention relates to the technical field of water sampling devices, and provides a water sampling device for environment detection, which can realize extraction and storage of water samples at a plurality of depth positions under water, skillfully utilizes a mechanical structure, has lower dependence on electronic equipment, has lower overall cost, has larger height difference adjusting range of a plurality of water sampling points, has wider taking range and better sampling effect, is easier and more convenient to operate, and comprises a sample storage unit, a counterweight connecting rope and a sample storage connecting rope, wherein the sample storage unit comprises a plurality of sample storage bottle bodies and a plurality of sample storage bottle caps, elastic springs are fixedly connected in the plurality of sample storage bottle bodies, the bottle bottoms of the plurality of sample storage bottle bodies are respectively connected with the plurality of sample storage bottle caps, bottom holes are respectively formed in the plurality of bottom holes, sealing drums are respectively and slidably matched in the plurality of adjusting drums, and sliding seals are respectively arranged between the plurality of sealing drums and the plurality of adjusting drums.

Description

Water sampling device for environment detection

Technical Field

The invention relates to the technical field of water quality sampling devices, in particular to a water quality sampling device for environment detection.

Background

As is well known, water is an important resource for life, including human beings, and is also the most important component of organisms, and plays an important role in life evolution, so as to ensure human activities and economic and social development, prevent water resource crisis, survey and evaluation on water, reasonably plan, develop and utilize and protect water sources, and prevent failure and pollution of the water sources, therefore, a water sampling device for environment detection is provided for facilitating water quality sampling in the process of water investigation and evaluation.

According to the invention, the invention patent with the Chinese patent application number of CN202011502155.7 discloses a water quality detection sampling device, which is roughly described as comprising a plurality of coaxially and overlapped sample storage units, wherein a drain valve is arranged below each sample storage unit, a sampling unit is arranged above each sample storage unit, each sampling unit comprises a water inlet valve, a horizontally arranged water inlet pipe and a vertically arranged telescopic pipe assembly, one end of the water inlet pipe is communicated with the sample storage unit, the other end of the water inlet pipe is communicated with the bottom of the telescopic pipe assembly, the water inlet valve is arranged at the top of the telescopic pipe assembly, the telescopic pipe assembly consists of a plurality of coaxially arranged unit pipes which are sleeved step by step, a detachable sealing ring is arranged at the joint of two adjacent unit pipes, the water quality detection sampling device is vertically arranged in water at first, the water inlet valve is closed in the process, after the device reaches a water sample collecting position, the water inlet valve is remotely opened again, the water inlet valve can be used for enabling external water to flow into the sampling unit after passing through the telescopic pipe assembly and the water inlet pipe sequentially, and the water inlet valves can be used for realizing sampling of different depths, in order to facilitate the adjustment of the spacing between adjacent water layers, the telescopic pipe assemblies are arranged, the water inlet valves are arranged, the adjacent water inlet pipe assemblies are arranged, the adjacent water inlet pipe and the adjacent water inlet pipe can be adjusted, and the spacing between the adjacent water sampling layers can be adjusted.

The above-mentioned prior art scheme can be used for the water sampling of water sampling link different water depth positions, but because its whole is a plurality of coaxial and overlapping sample storage unit constitution, and be formed through concave part and convex part mutual threaded connection between two adjacent sample storage units in a plurality of sample storage units, so obviously can find that a plurality of sample storage units mutually support the structure flexibility that forms lower, and the water depth of water source is the most inequality in actual fact, consequently can also satisfy to the sampling operation of shallower water source, and to the sampling of deeper water source then need a large amount of sample storage units, a large amount of sample storage units can not form overall dimension longer, so make the operation difficult, combine the actual situation analysis of concrete quality of water sampling link simultaneously, because the characteristic of the flow of water, consequently, usually can cause adjacent degree of depth characteristic similarity, therefore, the selection of a plurality of quality of water sampling points usually need the interval certain degree of depth difference, like this needs the flexible length of the sample storage unit to satisfy the sample depth difference, flexible pipe assembly needs to have certain length, and the flexible pipe assembly of the flexible pipe assembly also can reduce the sample operation convenience of the operation of sample storage unit, the operation of the sample storage unit is satisfied, the operation of the sample device is convenient for the operation of the sample device has been used to satisfy the sample operation, the quality of the device has increased and has increased the detection condition of the water quality detection device has caused the fact that the sampling device is used.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides the water sampling device for environment detection, which can realize extraction and storage of water samples at a plurality of depth positions under water, skillfully utilizes a mechanical structure, has lower dependence on electronic equipment and lower overall cost, and simultaneously has the advantages of larger height difference adjusting range, wider application range, better sampling effect and easier and more convenient operation.

(II) technical scheme

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a water sampling device for environmental detection, includes stores up appearance unit, still includes the counter weight and connects the rope and store up appearance connection rope, store up appearance unit includes a plurality of stores up appearance bottle and a plurality of stores up appearance bottle lid, and is a plurality of equal fixedly connected with spring in the storing up appearance bottle, a plurality of spring is connected with a plurality of stores up appearance bottle lid respectively, and the bottom opening has all been seted up to the bottle bottom of a plurality of stores up appearance bottle, a plurality of equal fixedly connected with seal tube in the bottom opening, a plurality of equal fixedly connected with in top of storing up appearance bottle lid adjusts the section of thick bamboo, a plurality of seal tube respectively sliding fit is in a plurality of in adjusting the section of thick bamboo, and a plurality of seal tubes respectively with all sliding connection has fixed cover in a plurality of seal tube, a plurality of all be provided with the elasticity card fishplate bar in the adjusting section of thick bamboo, a plurality of fixed cover all with store up appearance connection rope can dismantle the counter weight and be connected, a plurality of fixed cover all sliding fit are connected with a plurality of counter weights on a plurality of connecting ropes.

On the basis of the scheme, a plurality of adjusting cylinders are internally provided with a lower big hole and an upper small hole, the top ends of the lower big holes are respectively communicated with the bottom ends of the upper small holes, and the clamping grooves are respectively formed in the upper small holes.

On the basis of the scheme, the counterweight connecting rope sequentially passes through the plurality of through holes from top to bottom, the sample storage connecting rope sequentially passes through the plurality of mounting holes from top to bottom, the plurality of fixing sleeves are all connected with stepped threaded holes, the plurality of pressing bolts are connected with the stepped threaded holes in a threaded manner, and the plurality of pressing bolts are respectively used for positioning the plurality of fixing sleeves relative to the sample storage connecting rope.

On the basis of the scheme, a plurality of barrel frames are fixedly connected in the balancing weights, the barrel frames are provided with passing holes and mounting holes, the counterweight connecting ropes sequentially pass through the mounting holes from top to bottom, the sample storage connecting ropes sequentially pass through the passing holes from top to bottom, and the barrel frames are positioned relative to the counterweight connecting ropes through positioning bolts.

On the basis of the scheme, a plurality of barrel frames are fixedly connected with limiting rings at the top ends, a plurality of sealing barrels are internally provided with inner expanding cavities, and a plurality of limiting ring pipes are respectively and slidably connected in the inner expanding cavities.

On the basis of the scheme, the balancing weights are equally divided into an upper balancing weight ring and a lower balancing weight cone ring, the lower balancing weight cone rings are respectively and fixedly connected to the bottoms of the upper balancing weight rings, the upper balancing weight rings are respectively and fixedly connected to the cylinder frames, and the lower balancing weight cone rings are respectively and fixedly connected to the cylinder frames.

As the scheme, the counterweight connecting rope and the sample storage connecting rope are both provided with length marks.

As still further in the above scheme, a plurality of the bottom of storing up appearance bottle lid all is provided with sealed protruding ring, and a plurality of the top of storing up appearance bottle body all is provided with sealed recess, a plurality of sealed protruding ring respectively with a plurality of sealed recess matches.

As the scheme above, still further, the intercommunication has outer drain pipe on the sample storage bottle lid, the buckle is connected with the sealing cap on the outer drain pipe, and is provided with the go-between sealing cap and the outer drain pipe.

As a further scheme of the scheme, the sample storage bottle body is made of transparent materials, and reading scales are arranged on the sample storage bottle body.

(III) beneficial effects

Compared with the prior art, the invention provides the water sampling device for environment detection, which has the following beneficial effects:

1. according to the invention, a plurality of water sample storage spaces are formed by matching the plurality of sample storage bottle bodies, the plurality of sample storage bottle caps and the plurality of elastic springs, so that the extraction and storage of water samples at a plurality of underwater depth positions are conveniently realized.

2. According to the invention, through the matching of the balancing weight and the sealing cylinder, the sinking of the sample storage bottle body and the sample storage bottle cap under water is ensured, and the opening of the sample storage bottle body relative to the sample storage bottle cap is ensured, so that the water sample enters the sample storage bottle body.

3. According to the invention, through the cooperation of the fixing sleeve and the sample storage connecting rope, the positioning and installation of the plurality of sample storage units relative to the sample storage connecting rope are formed, the purpose of water sample extraction can be realized through the sample storage connecting rope after water sample collection is achieved, the height difference among the plurality of sample storage units can be adjusted, meanwhile, the height difference adjusting range of the plurality of water quality sampling points is larger, the sampling range is wider, and the sampling effect is better.

4. According to the invention, through the cooperation of the counterweight connecting rope and the plurality of counterweights, the submerged specific depth of the plurality of sample storage bottle bodies and the plurality of sample storage bottle caps can be ensured, the purpose that the sample storage bottle caps are opened relative to the sample storage bottle bodies can be achieved by adjusting the submerged positions of the plurality of counterweights, and after sampling is finished, the sample storage bottle caps can be controlled to be closed relative to the sample storage bottle bodies, so that water samples with different depths can be extracted by skillfully utilizing a mechanical structure, the dependence on electronic equipment is lower, the overall cost is lower, and the operation is easier and more convenient.

Drawings

FIG. 1 is a schematic perspective view of the whole structure of the present invention;

FIG. 2 is a schematic perspective view of the counterweight connecting rope, sample storage bottle body and the like in the invention;

FIG. 3 is a schematic view of a partially sectioned perspective structure of the counterweight connecting rope, sample storage bottle body, etc. of the invention;

FIG. 4 is a schematic perspective view of a cross-section of the counterweight connecting rope, sample storage bottle body and the like of the invention;

FIG. 5 is a schematic view of a partial enlarged structure at A in FIG. 4 according to the present invention;

FIG. 6 is a schematic view in partial cross-section of a seal cartridge of the present invention;

FIG. 7 is a schematic perspective view, partially in section, of a regulator cartridge of the present invention;

FIG. 8 is a schematic view of a partially sectioned alternative perspective view of the counterweight connection rope, sample storage bottle body, etc. of the present invention;

FIG. 9 is a schematic exploded perspective view of the seal cartridge, cartridge holder, positioning bolt, etc. of the present invention;

FIG. 10 is a schematic perspective view of the cooperation of the fixing sleeve, the elastic clamping plate, the compression bolt and the like;

FIG. 11 is an exploded, partially cut-away, perspective view of the mating engagement of the seal cartridge and regulator cartridge of the present invention;

FIG. 12 is a schematic perspective view of the cooperation of the sample storage bottle cap and the sealing bulge loop.

In the figure: 1. the counterweight is connected with the rope; 2. a sample storage connecting rope; 3. a sample storage bottle body; 4. a sample storage bottle cap; 5. an elastic spring; 6. a sealing cylinder; 7. an adjustment cylinder; 8. a fixed sleeve; 9. an elastic clamping plate; 10. a clamping groove; 11. a lower large hole; 12. a small hole is formed on the upper part; 13. a through hole; 14. a mounting hole; 15. a stepped threaded bore; 16. a compression bolt; 17. a cartridge holder; 18. a through port; 19. a mounting port; 20. positioning bolts; 21. a limiting ring; 22. an inner expanding cavity; 23. an upper counterweight ring; 24. a lower counterweight cone ring; 25. a length mark; 26. a sealing raised ring; 27. an outer drain pipe; 28. a sealing cap; 29. a connecting ring; 30. the scale is read.

Detailed Description

Examples

Referring to fig. 1-12, a water sampling device for environmental detection comprises a sample storage unit, a counterweight connecting rope 1 and a sample storage connecting rope 2, length marks 25 are arranged on the counterweight connecting rope 1 and the sample storage connecting rope 2, the descending depth of a sample storage bottle 3 is convenient to read in the sampling process, meanwhile, the distance is convenient to calculate and adjust in the adjusting process of a plurality of sample storage bottle 3, the sample storage unit comprises a plurality of sample storage bottle 3 and a plurality of sample storage bottle caps 4, sealing convex rings 26 are arranged at the bottom ends of the plurality of sample storage bottle caps 4, sealing concave grooves are arranged at the top ends of the plurality of sample storage bottle caps 3, the plurality of sealing convex rings 26 are respectively matched with the plurality of sealing concave grooves, the sealing effect of the sample storage bottle caps 4 after contacting the sample storage bottle 3 is improved, an outer drain pipe 27 is communicated with the sample storage bottle caps 4, sealing caps 28 are connected to the outer drain pipe 27 in a buckling manner, and a connecting ring 29 is arranged between the sealing cap 28 and the outer drain pipe 27, so that the sampled water sample can be conveniently poured out, the sample storage bottle body 3 is made of transparent materials, a reading scale 30 is arranged on the sample storage bottle body 3, the approximate state of the water sample in the sample storage bottle body 3 can be observed, the water sample can be conveniently measured, the elastic springs 5 are fixedly connected in the sample storage bottle bodies 3, the elastic springs 5 are respectively connected with the sample storage bottle caps 4, a plurality of water sample storage spaces are formed by matching the sample storage bottle bodies 3, the sample storage bottle caps 4 and the elastic springs 5, the extraction and storage of the water sample at a plurality of depth positions under water are conveniently realized, bottom holes are formed in bottle bottoms of the sample storage bottle bodies 3, sealing drums 6 are fixedly connected in the bottom holes, regulating drums 7 are fixedly connected to top ends of the sample storage bottle caps 4, the sealing drums 6 are respectively and slidably matched in the regulating drums 7, and all be provided with sliding seal between a plurality of sealed drums 6 and a plurality of regulation section of thick bamboo 7 respectively, all sliding connection has fixed cover 8 in a plurality of sealed drums 6, all be provided with elasticity joint board 9 on a plurality of fixed covers 8, all be provided with the draw-in groove 10 that matches with elasticity joint board 9 in a plurality of regulation section of thick bamboo 7, all be provided with down macropore 11 and upper aperture 12 in a plurality of regulation section of thick bamboo 7, the top of macropore 11 respectively with the bottom intercommunication of a plurality of upper aperture 12, sealed drum 6 sliding fit is in down macropore 11, fixed cylinder sliding fit is in upper aperture 12, a plurality of draw-in grooves 10 are seted up respectively in a plurality of upper aperture 12, the joint location of convenient cooperation elasticity joint board 9 formation sample storage bottle lid 4 on fixed cover 8.

It should be further noted that, the plurality of fixing sleeves 8 are all detachably connected with the sample storage connecting rope 2, the plurality of fixing sleeves 8 are all provided with the through holes 13 and the mounting holes 14, the counterweight connecting rope 1 sequentially passes through the plurality of through holes 13 from top to bottom, the sample storage connecting rope 2 sequentially passes through the plurality of mounting holes 14 from top to bottom, the plurality of fixing sleeves 8 are all connected with stepped threaded holes 15, the plurality of stepped threaded holes 15 are internally and uniformly connected with compression bolts 16, the plurality of compression bolts 16 are respectively used for positioning the plurality of fixing sleeves 8 relative to the sample storage connecting rope 2, the plurality of sample storage units are positioned and mounted relative to the sample storage connecting rope 2 through the cooperation of the fixing sleeves 8 and the sample storage connecting rope 2, the purpose that water samples are extracted through the sample storage connecting rope 2 after water sample collection is achieved, and the height difference among the plurality of sample storage units can be adjusted, meanwhile, the height difference adjusting range of a plurality of water quality sampling points is larger, the sampling range is wider, the sampling effect is better, a plurality of fixing sleeves 8 are in sliding fit on a plurality of counterweight connecting ropes 1, a plurality of counterweights are detachably connected on the counterweight connecting ropes 1, the counterweights are respectively in sliding connection with a plurality of sealing drums 6, the sinking of the sample storage bottle body 3 and the sample storage bottle cap 4 is ensured by the matching of the counterweights and the sealing drums 6, the sample storage bottle body 3 is opened relative to the sample storage bottle cap 4, the water sample is ensured to enter the sample storage bottle body 3, a plurality of counterweights are fixedly connected with drum frames 17, the drum frames 17 are provided with a through hole 18 and a mounting hole 19, the counterweight connecting ropes 1 sequentially pass through the mounting holes 19 from top to bottom, the sample storage connecting ropes 2 sequentially pass through the through holes 18 from top to bottom, the drum frames 17 are positioned relative to the counterweight connecting ropes 1 through positioning bolts 20, the counter weights are equally divided into an upper counter weight ring 23 and a lower counter weight cone ring 24, the lower counter weight cone rings 24 are respectively and fixedly connected to the bottom ends of the upper counter weight rings 23, the upper counter weight rings 23 are respectively and fixedly connected to the barrel frames 17, the lower counter weight cone rings 24 are respectively and fixedly connected to the barrel frames 17, the counter weight connecting ropes 1 are matched with the counter weights, the sample storage bottle bodies 3 and the sample storage bottle caps 4 can be guaranteed to sink to a specific depth under water, the purpose that the sample storage bottle caps 4 are opened relative to the sample storage bottle bodies 3 can be achieved by adjusting the sinking positions of the counter weights, in addition, the sample storage bottle caps 4 can be controlled to be closed relative to the sample storage bottle bodies 3 after sampling is completed, the mechanical structure is skillfully utilized, the extraction of water samples with different depths is realized, the dependence on electronic equipment is lower, the overall cost is lower, the operation is easier and more convenient, the limiting rings 21 are fixedly connected to the top ends of the barrel frames 17, the inner expanding cavities 22 are respectively arranged in the sealing barrels 6, the tubes of the limiting rings 21 are respectively and slidably connected to the inner expanding cavities 22, and the inner expanding cavities 22 are respectively, so that the purposes of opening the sample storage bottle caps 4 relative to the sample storage bottle bodies 3 are opened, the corresponding to the inner expanding cavities and the inner expanding rings.

In summary, the working process of the water sampling device for environmental detection is that, when in use, the water sampling device for environmental detection is firstly carried to the place where water quality needs to be sampled, then the relative positions of the counterweight connecting rope 1 and the sample storage connecting rope 2 are adjusted, so that the plurality of elastic clamping plates 9 in the water sampling device for environmental detection are respectively clamped in the plurality of clamping grooves 10, then the counterweight connecting rope 1 is pulled by the counterweight connecting rope 1 to slowly release the counterweight connecting rope 1, so that the plurality of counterweights are sequentially immersed in water, the sample storage connecting rope 2 is always in a loose state, the plurality of sample storage bottles 3 are slowly sequentially immersed in water along with the plurality of counterweights in the process, and the buoyancy of air in a space formed by the cooperation of the sample storage bottles 3 and the sample storage bottle caps 4 is insufficient to completely offset the self gravity of the sample storage bottles 3 and the sample storage bottle caps 4, therefore, the sample storage bottle body 3 and the sample storage bottle cap 4 can also sink into the water, after a plurality of balancing weights are completely sunk into the water, the lowering length of the counterweight connecting rope 1 is kept, the sample storage connecting rope 2 is pulled out by a small extent by tightening the sample storage connecting rope 2, in the process, the pulled sample storage connecting rope 2 can drive a plurality of fixing sleeves 8 to rise in the water, the balancing weights can have the trend of keeping the depth in the water under the action of the gravity of the balancing weights respectively because the counterweight connecting rope 1 is not pulled out, so that the adjusting cylinder 7 can be driven to rise synchronously in the water along with the fixing sleeves 8 due to the mutual clamping action of the elastic clamping plate 9 on the fixing sleeves 8 and the clamping groove 10 in the adjusting cylinder 7, the adjusting cylinder 7 can be driven to rise in the water by the adjusting cylinder 7, the sample storage bottle cap 4 is driven to rise in the water by the elastic spring 5 between the sample storage bottle cap 4 and the sample storage bottle body 3, the sample storage bottle cap 4 is driven to rise in the water, the sample storage bottle body 3 rises to drive the sealing cylinder 6 to rise synchronously, so that the sealing cylinder 6 and the cylinder frame 17 form relative position movement, when the relative movement between the cylinder frame 17 and the sealing cylinder 6 reaches the limit position, the sample storage bottle body 3 is pulled to overcome the elasticity of the elastic spring 5 under the action of the gravity of the balancing weight, so that the elastic spring 5 stretches and elastically deforms, and a water inlet gap is formed between the sample storage bottle body 3 and the sample storage bottle cap 4 which are in contact with each other, so that water enters the sample storage bottle body 3.

Further, the sample storage connecting rope 2 is pulled continuously to enable the sample storage bottle body 3 and the sample storage bottle body 3 to be separated continuously, the elastic spring 5 is stretched and deformed continuously until the elastic clamping plate 9 can overcome the elastic force of the elastic clamping plate 9 to enable the elastic clamping plate 9 to be elastically deformed and withdraw from the clamping groove 10, the clamping effect between the sample storage bottle cap 4 and the fixed sleeve 8 is invalid in the state, the elastic spring 5 is restored to the original state, the sample storage bottle cap 4 is contacted with the sample storage bottle body 3 again under the action of the elastic spring 5, the sealing of the water sample in the sample storage bottle body 3 is achieved, finally, the lifting of a plurality of balancing weights from water is achieved by pulling up the counterweight connecting rope 1, along with the lifting of the balancing weights, the lifting of the water sample is also achieved, the water sample storage bottle body 3 and the sample storage bottle cap 4 are also lifted, the water sample in the space formed by matching the sample storage bottle body 3 and the sample storage bottle cap 4 can be poured out through tilting the sample storage bottle body 3 after the sealing cap 28 is removed relative to the outer drain pipe 27, for the adjustment of the height difference of a plurality of balancing weights, the positioning bolts 20 can be loosened relative to the barrel frame 17, then the barrel frame 17 is adjusted to be fixed relative to the balance weight connecting rope 1, the positioning of the barrel frame 17 relative to the balance weight connecting rope 1 is realized by screwing the positioning bolts 20, the adjustment of the fixing sleeve 8 relative to the sample storage connecting rope 2 is realized by loosening the pressing bolts 16, the mutual positioning between the barrel frame 17 and the balance weight connecting rope is realized again by screwing the pressing bolts 16 again after the adjustment is finished, the lifting distance of the sample storage connecting rope 2 when the sample storage bottle cap 4 and the sample storage bottle body 3 are mutually opened in the water sample extraction process can be obtained through a pre-test after the suspension lifting in the process that the environment detection water sampling device is not immersed in water, the uppermost one of the plurality of balancing weights can be suspended on the water surface in the sampling process, and the uppermost one of the plurality of sample storage bottle bodies 3 is also located above the water surface because the plurality of sample storage bottle bodies 3 are respectively located above the plurality of balancing weights, so that the lifting distance of the sample storage connecting rope 2 can be judged through the state between the sample storage bottle body 3 suspended above the water surface and the sample storage bottle cap 4 in the actual water sample collecting process, thereby assisting in completing the sampling operation.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a water sampling device for environmental detection, includes stores up appearance unit, its characterized in that still includes counter weight connecting rope (1) and stores up appearance connecting rope (2), store up appearance unit includes a plurality of stores up appearance bottle (3) and a plurality of stores up appearance bottle lid (4), a plurality of equal fixedly connected with elastic spring (5) in storing up appearance bottle (3), a plurality of elastic spring (5) are connected with a plurality of stores up appearance bottle lid (4) respectively, and the bottom opening has all been seted up at the bottle bottom of a plurality of stores up appearance bottle (3), a plurality of equal fixedly connected with seal cartridge (6) in the bottom opening, a plurality of equal fixedly connected with seal cartridge (6) in the top of storing up appearance bottle lid (4) is equal fixedly connected with adjusting cylinder (7), a plurality of seal cartridge (6) are respectively sliding fit in a plurality of adjusting cylinder (7), all are provided with sliding seal between a plurality of seal cartridge (6) respectively, a plurality of seal cartridge (8) are respectively with a plurality of fixed cover (8), a plurality of fixed cover (8) are provided with card clip (9) and a plurality of elastic clip (9) are all connected with a plurality of equal fixedly connected with counter weight (1) and a plurality of elastic clip (1) and a plurality of connecting rope (1) are all connected with one another, the balancing weights are respectively connected with the sealing cylinders (6) in a sliding mode.

2. The water sampling device for environmental detection according to claim 1, wherein a plurality of the adjusting cylinders (7) are respectively provided with a lower large hole (11) and an upper small hole (12), the top ends of the plurality of the lower large holes (11) are respectively communicated with the bottom ends of the plurality of the upper small holes (12), and the plurality of clamping grooves (10) are respectively arranged in the plurality of the upper small holes (12).

3. The water sampling device for environment detection according to claim 2, wherein a plurality of through holes (13) and mounting holes (14) are formed in the fixing sleeves (8), the counterweight connecting rope (1) sequentially passes through the plurality of through holes (13) from top to bottom, the sample storage connecting rope (2) sequentially passes through the plurality of mounting holes (14) from top to bottom, the plurality of fixing sleeves (8) are connected with stepped threaded holes (15), the pressing bolts (16) are in threaded connection with the stepped threaded holes (15), and the pressing bolts (16) are respectively used for positioning the plurality of fixing sleeves (8) relative to the sample storage connecting rope (2).

4. The water sampling device for environmental detection according to claim 3, wherein a plurality of barrel frames (17) are fixedly connected in the balancing weights, a plurality of through holes (18) and mounting holes (19) are formed in the barrel frames (17), the balancing weight connecting ropes (1) sequentially pass through the mounting holes (19) from top to bottom, the sample storage connecting ropes (2) sequentially pass through the through holes (18) from top to bottom, and the barrel frames (17) are positioned relative to the balancing weight connecting ropes (1) through positioning bolts (20).

5. The water sampling device for environmental detection according to claim 4, wherein the top ends of the cylinder frames (17) are fixedly connected with limiting rings (21), the sealing cylinders (6) are provided with inner expanding cavities (22), and the limiting rings (21) are respectively connected in the inner expanding cavities (22) in a sliding manner.

6. The water sampling device for environmental detection according to claim 5, wherein the plurality of balancing weights are equally divided into an upper weight ring (23) and a lower weight cone ring (24), the plurality of lower weight cone rings (24) are respectively fixedly connected to the bottom ends of the plurality of upper weight rings (23), the plurality of upper weight rings (23) are respectively fixedly connected to the plurality of cylinder frames (17), and the plurality of lower weight cone rings (24) are respectively fixedly connected to the plurality of cylinder frames (17).

7. The water sampling device for environment detection according to claim 6, wherein the length marks (25) are arranged on the counterweight connecting rope (1) and the sample storage connecting rope (2).

8. The water sampling device for environmental detection according to claim 7, wherein the bottom ends of the sample storage bottle caps (4) are respectively provided with a sealing convex ring (26), the top ends of the sample storage bottle bodies (3) are respectively provided with a sealing concave groove, and the sealing convex rings (26) are respectively matched with the sealing concave grooves.

9. The water sampling device for environment detection according to claim 8, wherein an outer drain pipe (27) is communicated with the sample storage bottle cap (4), a sealing cap (28) is connected to the outer drain pipe (27) in a clamping manner, and a connecting ring (29) is arranged between the sealing cap (28) and the outer drain pipe (27).

10. The water sampling device for environmental detection according to claim 9, wherein the sample storage bottle body (3) is made of transparent materials, and a reading scale (30) is arranged on the sample storage bottle body (3).