CN220583847U

CN220583847U - Hydrologic sampling device

Info

Publication number: CN220583847U
Application number: CN202322184059.8U
Authority: CN
Inventors: 李俊; 李朝萍; 杨祖清
Original assignee: Chongqing Yuzhi Water Conservancy And Hydropower Project Management Co ltd
Current assignee: Chongqing Yuzhi Water Conservancy And Hydropower Project Management Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-03-12
Anticipated expiration: 2033-08-15

Abstract

The utility model discloses a hydrological sampling device, wherein a first filter cartridge is arranged at the upper end of a sampling bin, a plurality of first filter holes are formed in the first filter cartridge, and a hanging ring is arranged at the upper end of the first filter cartridge; a second filter cartridge with an opening at the upper end is arranged in the sampling bin, a water inlet is positioned at the opening at the upper end of the second filter cartridge, and a plurality of second filter holes are formed along the height direction of the second filter cartridge; the lower end of the sampling bin is provided with a connecting pipe, the lower end of the connecting pipe is in threaded connection with the upper end of the extension cylinder, a filter disc is arranged in the extension cylinder, a plurality of third filter holes are formed in the filter disc, and the lower end of the extension cylinder is provided with a water outlet pipe; the outer wall cover in sampling storehouse is equipped with gravity storehouse, and the upper end in gravity storehouse is provided with the inlet tube, and the lower extreme in gravity storehouse is provided with the drain pipe. The utility model has the advantages of convenient disassembly and assembly, low maintenance cost, convenient carrying, difficult damage, improvement of the quality and the efficiency of multiple sampling and the like.

Description

Hydrologic sampling device

Technical Field

The present utility model relates to a sampling device.

Background

In order to solve the technical problem, the Chinese patent with the application number of CN202120407752.5 provides a patent of an underground water sampling device for hydrogeology, the structure is provided with a gravity block in a collection bin, so that the collection bin can better enter into the water for sampling, and impurities in the water are filtered through the filter screen, although the structure can better sample the collection bin under the water, and meanwhile, the impurities in the water are filtered through the filter screen, so that the accuracy of subsequent detection is improved, on one hand, the problem that the structure adopts single-layer filtration and directly sets the filter screen in the collection bin for multiple times during sampling, so that the filter screen needs to be cleaned after each time of sampling, the sampling efficiency is greatly influenced, if the filter screen is not cleaned, the more impurities are attached to the filter screen, the subsequent sampling efficiency and the quality are influenced, and particularly, the influence of the impurities with large blocks on the filter screen is serious when the filter screen needs to be sampled for multiple times; on the other hand, the gravity block is directly arranged in the collection bin, and although the collection bin can be better used for sampling underwater, when the sampling is not performed, the gravity block exists, so that the whole structure is heavier, and the portable collection bin is inconvenient to carry.

It is therefore an effort of those skilled in the art to provide a hydrological sampling device capable of effectively solving the above-mentioned technical problems.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a hydrological sampling device that can effectively solve the above-mentioned problems.

In order to achieve the above purpose, the utility model provides a hydrological sampling device, which comprises a sampling bin, wherein a first filter cartridge is arranged at the upper end of the sampling bin, a plurality of first filter holes are formed in the first filter cartridge, and a hanging ring is arranged at the upper end of the first filter cartridge;

the upper end of the sampling bin is provided with a water inlet penetrating through a first filter cartridge, an electric push rod is arranged in the first filter cartridge, and the output end of the electric push rod is provided with a sealing cover matched with the water inlet;

the sampling bin is internally provided with a second filter cartridge with an opening at the upper end, the water inlet is positioned at the opening at the upper end of the second filter cartridge, and a plurality of second filter holes are formed along the height direction of the second filter cartridge;

the lower end of the sampling bin is provided with a connecting pipe, the lower end of the connecting pipe is in threaded connection with the upper end of the extension cylinder, a filter disc is arranged in the extension cylinder, a plurality of third filter holes are formed in the filter disc, and the lower end of the extension cylinder is provided with a water outlet pipe;

the outer wall cover of sampling storehouse is equipped with the gravity storehouse, the upper end of gravity storehouse is provided with the inlet tube, the lower extreme of gravity storehouse is provided with the drain pipe.

Preferably, the first filter hole has a larger pore diameter than the second filter hole, and the second filter hole has a larger pore diameter than the third filter hole.

Preferably, the first filter cartridge comprises a first cylinder body, the lower end of the first cylinder body is connected with the sampling bin, each first filter hole is formed in the first cylinder body, a first cylinder cover is detachably arranged at the upper end of the first cylinder body, the hanging ring is arranged at the upper end of the first cylinder cover, and the electric push rod is arranged at the lower end of the first cylinder cover.

Preferably, two guide rods are symmetrically arranged at the upper end of the sampling bin, and two sides of the sealing cover are respectively and slidably sleeved on the guide rods.

Preferably, the sampling bin comprises a bin body, and an upper end cover and a lower end cover are respectively detachably arranged at the upper end and the lower end of the bin body;

the water inlet and each guide rod are arranged on the upper end cover, the upper end of the second filter cartridge is connected with the lower end of the upper end cover, and the connecting pipe is arranged on the lower end cover.

Preferably, the second filter cartridge comprises a second cylinder body, the upper end of the second cylinder body is connected with the lower end of the upper end cover, the second filter Kong Kaishe is arranged on the second cylinder body, a lower cover plate is detachably arranged at the lower end of the second cylinder body, and the lower end of the lower cover plate is suspended and is not contacted with the upper end of the lower end cover.

Preferably, valves are arranged on the water inlet pipe, the water outlet pipe and the water outlet pipe.

Preferably, the inner wall of the gravity bin is symmetrically provided with two positioning grooves, each positioning groove penetrates through the gravity bin from top to bottom, the outer wall of the sampling bin is symmetrically provided with two positioning columns matched with each positioning groove, and the lower end of each positioning column is provided with a positioning table.

Preferably, a limiting groove is formed in each positioning column above the gravity bin, limiting blocks are inserted into each limiting groove, the lower ends of the outer half sections of the limiting blocks are attached to the upper ends of the gravity bin, and the limiting blocks are detachably connected with the positioning columns through positioning screws.

The beneficial effects of the utility model are as follows: on the one hand, the large-block impurities can be blocked in the sampling device through the first filter cartridge, so that the blockage of the sampling device is avoided, the cleaning of the sampling device after each sampling is avoided, and the quality and the efficiency of multiple sampling are improved; on the other hand, the gravity bin is convenient to disassemble and assemble, meanwhile, when the gravity bin is not used, the water in the gravity bin is discharged through the water discharge pipe, and the dead weight of the gravity bin can be reduced, so that the gravity bin is more labor-saving to carry, and the gravity bin is very convenient to weight increase when the gravity bin is needed, and only a place with a water source is needed; meanwhile, the portable electric power generator has the beneficial effects of convenience in disassembly and assembly, capability of being independently replaced after a single part is damaged, low maintenance cost, convenience in carrying, difficulty in damage and the like.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present utility model.

Fig. 2 is a schematic view of a partially enlarged structure at a in fig. 1.

Fig. 3 is a schematic view of the structure of the present utility model without the first filter cartridge.

Fig. 4 is a schematic view of a structure in which a second filter cartridge is disposed in a sampling chamber according to the present utility model.

Fig. 5 is a schematic view of the structure of the filter tray disposed in the extension cylinder.

Fig. 6 is a schematic structural view of an electric push rod and a sealing cover which are matched with each other for use in the first filter cartridge.

Fig. 7 is a schematic view of the structure of the gravity silo.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

in the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 7, a hydrological sampling device comprises a sampling bin 1, wherein a first filter cartridge 2 is arranged at the upper end of the sampling bin 1, a plurality of first filter holes 3 are formed in the first filter cartridge 2, and a hanging ring 5 is arranged at the upper end of the first filter cartridge 2; the hanging ring 5 is connected with one end of a rope (not shown in the figure), the other end of the rope is connected with a rope winding structure, the rope winding structure can comprise a rope winding drum, the rope is connected with the rope winding drum, the rope winding drum is driven by a motor to carry out winding and unwinding actions on the sampling device, such as the structure in CN202120407752.5, any other structure in the prior art capable of winding and unwinding the sampling device can be adopted, and the structure of the winding and unwinding sampling device is all the prior art, so that the structure is not repeated herein.

The upper end of the sampling bin 1 is provided with a water inlet 6 penetrating through the first filter cartridge 2, an electric push rod 7 is arranged in the first filter cartridge 2, and the output end of the electric push rod 7 is provided with a sealing cover 8 matched with the water inlet 6 for use;

a second filter cartridge 9 with an opening at the upper end is arranged in the sampling bin 1, the water inlet 6 is positioned at the opening at the upper end of the second filter cartridge 9, and a plurality of second filter holes 10 are formed along the height direction of the second filter cartridge 9;

the lower end of the sampling bin 1 is provided with a connecting pipe 11, the lower end of the connecting pipe 11 is in threaded connection with the upper end of an extension cylinder 12, a filter disc 13 is arranged in the extension cylinder 12, a plurality of third filter holes 15 are formed in the filter disc 13, and the lower end of the extension cylinder 12 is provided with a water outlet pipe 16;

the outer wall of the sampling bin 1 is sleeved with a gravity bin 17, the upper end of the gravity bin 17 is provided with a water inlet pipe 18, and the lower end of the gravity bin 17 is provided with a water outlet pipe 19.

The aperture of the first filter hole 3 is larger than the aperture of the second filter hole 10, and the aperture of the second filter hole 10 is larger than the aperture of the third filter hole 15. Through the above setting, through first filtration pore 3 with great impurity separation outside first cartridge filter 2, improve the speed of intaking to keep apart great debris outside this structure, avoid great debris to cause the jam to this device.

The first filter cartridge 2 comprises a first barrel 20, the lower end of the first barrel 20 is connected with the sampling bin 1, each first filter hole 3 is formed in the first barrel 20, a first barrel cover 21 is detachably arranged at the upper end of the first barrel 20, the hanging ring 5 is arranged at the upper end of the first barrel cover 21, and the electric push rod 7 is arranged at the lower end of the first barrel cover 21. By detachably connecting the first cylinder cover 21 to the first cylinder body 20, the parts in the first filter cartridge 2 are convenient to repair, clean and replace.

Two guide rods 22 are symmetrically arranged at the upper end of the sampling bin 1, and two sides of the sealing cover 8 are respectively and slidably sleeved on the guide rods 22. By arranging the guide rod 22, the sealing cover 8 of the device has better stability and effectively reduces the maintenance times when moving up and down.

The sampling bin 1 comprises a bin body 23, wherein an upper end cover 26 and a lower end cover 27 are respectively detachably arranged at the upper end and the lower end of the bin body 23;

the water inlet 6 and each guide rod 22 are arranged on the upper end cover 26, the upper end of the second filter cartridge 9 is connected with the lower end of the upper end cover 26, and the connecting pipe 11 is arranged on the lower end cover 27. The sampling bin 1 is composed of the bin body 23, the upper end cover 26 and the lower end cover 27, so that the assembly and disassembly in the bin body 23 are facilitated, the cleaning is facilitated after the disassembly and the separation, the individual replacement is performed after the damage of single parts, and the use cost is effectively reduced while the sampling quality is guaranteed.

The second filter cartridge 9 includes a second cylinder 28, the upper end of the second cylinder 28 is connected with the lower end of the upper end cover 26, the second filter hole 10 is formed on the second cylinder 28, a lower cover plate 29 is detachably disposed at the lower end of the second cylinder 28, and the lower end of the lower cover plate 29 is suspended and is not in contact with the upper end of the lower end cover 27. Through the unsettled setting of lower apron 29, can set up the connecting pipe 11 that link up sampling storehouse 1 in the central point of lower extreme cover 27, avoid causing it to shelter from, make its water outlet better smooth and easy.

In addition, the lower cover plate 29 is detachably connected with the second cylinder 28 through threads, and the second cylinder 28 is conveniently cleaned by unscrewing the lower cover plate 29.

Valves are arranged on the water inlet pipe 18, the water outlet pipe 16 and the water outlet pipe 19. The inlet pipe 18, the outlet pipe 16 and the outlet pipe 19 can be closed and opened by valves.

Two positioning grooves 30 are symmetrically formed in the inner wall of the gravity bin 17, each positioning groove 30 penetrates through the gravity bin 17 from top to bottom, two positioning columns 31 matched with each positioning groove 30 are symmetrically formed in the outer wall of the sampling bin 1, and a positioning table 32 is arranged at the lower end of each positioning column 31. Through the above arrangement, the gravity bin 17 is convenient to disassemble and assemble. Meanwhile, when the gravity bin is not used, the water in the gravity bin 17 is discharged through the water discharge pipe 19, so that the dead weight of the gravity bin 17 can be reduced, the gravity bin is more labor-saving to carry, and the gravity bin is very convenient to weight when the gravity bin is required to be increased, so long as a water source is provided.

The upper part of the gravity bin 17 is provided with a limiting groove 33 arranged on each positioning column 31, a limiting block 35 is inserted into each limiting groove 33, the lower end of the outer half section of each limiting block 35 is attached to the upper end of the gravity bin 17, and the limiting block 35 is detachably connected with the positioning column 31 through a positioning screw 36. The gravity bin 17 is limited by the limiting block 35, so that the stability of the gravity bin is further ensured.

The optimal working principle of the utility model is as follows:

when the device is used, water is filled into the gravity bin 17 through the water inlet pipe 18, the gravity bin 17 is sleeved on the sampling bin 1, at the moment, each positioning column 31 is respectively positioned in each positioning groove 30, the lower end of the gravity bin 17 is attached to the upper end of each positioning table 32 and supported by each positioning table 32, the limiting block 35 is placed on the gravity bin, the inner side of the limiting block 35 is inserted into the limiting groove 33, the limiting block 35 is connected with the positioning column 31 through the positioning screw 36, the gravity bin 17 is prevented from moving upwards, when the sampling device enters underwater for collection, the first filtering holes 3 can filter larger impurities, so that water can enter the first filter cartridge 2 rapidly, meanwhile, the larger impurities can be prevented from entering the first filter cartridge 2, the sealing cover 8 is driven to move upwards through the electric push rod 7, so that water enters the sampling bin 1 through the water inlet 6, then the water inlet 6 is covered through the sealing cover 8, the sampling device is pulled upwards, the second barrel 28 can carry out secondary filtration on the water, the secondary filtration is completed, the secondary filtration water enters the connecting pipe 11, and the subsequent water outlet pipe is detected through the filtering disc 13. The structure above is outside first cartridge filter 2 with most impurity separation through first cartridge filter 2, and the effectual impurity that has avoided causes the jam to sampling device's inside, directly unscrews extension section of thick bamboo 12 alright wash filter disc 13, and is very convenient.

The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims

1. The hydrologic sampling device comprises a sampling bin (1), and is characterized in that: the upper end of the sampling bin (1) is provided with a first filter cartridge (2), a plurality of first filter holes (3) are formed in the first filter cartridge (2), and the upper end of the first filter cartridge (2) is provided with a hanging ring (5);

the upper end of the sampling bin (1) is provided with a water inlet (6) penetrating through the first filter cartridge (2), an electric push rod (7) is arranged in the first filter cartridge (2), and the output end of the electric push rod (7) is provided with a sealing cover (8) matched with the water inlet (6);

a second filter cylinder (9) with an opening at the upper end is arranged in the sampling bin (1), the water inlet (6) is positioned at the opening at the upper end of the second filter cylinder (9), and a plurality of second filter holes (10) are formed along the height direction of the second filter cylinder (9);

the lower end of the sampling bin (1) is provided with a connecting pipe (11), the lower end of the connecting pipe (11) is in threaded connection with the upper end of the extension cylinder (12), a filter disc (13) is arranged in the extension cylinder (12), a plurality of third filter holes (15) are formed in the filter disc (13), and a water outlet pipe (16) is arranged at the lower end of the extension cylinder (12);

the outer wall cover of sampling storehouse (1) is equipped with gravity storehouse (17), the upper end of gravity storehouse (17) is provided with inlet tube (18), the lower extreme of gravity storehouse (17) is provided with drain pipe (19).

2. The hydrological sampling device of claim 1, wherein: the aperture of the first filter hole (3) is larger than that of the second filter hole (10), and the aperture of the second filter hole (10) is larger than that of the third filter hole (15).

3. The hydrological sampling device of claim 1, wherein: the first filter cartridge (2) comprises a first cylinder body (20), the lower end of the first cylinder body (20) is connected with the sampling bin (1), each first filter hole (3) is formed in the first cylinder body (20), a first cylinder cover (21) is detachably arranged at the upper end of the first cylinder body (20), the hanging ring (5) is arranged at the upper end of the first cylinder cover (21), and the electric push rod (7) is arranged at the lower end of the first cylinder cover (21).

4. A hydrological sampling device as claimed in claim 3, wherein: two guide rods (22) are symmetrically arranged at the upper end of the sampling bin (1), and two sides of the sealing cover (8) are respectively and slidably sleeved on the guide rods (22).

5. The hydrological sampling device of claim 4, wherein: the sampling bin (1) comprises a bin body (23), wherein an upper end cover (26) and a lower end cover (27) are respectively and detachably arranged at the upper end and the lower end of the bin body (23);

the water inlet (6) and the guide rods (22) are arranged on the upper end cover (26), the upper end of the second filter cartridge (9) is connected with the lower end of the upper end cover (26), and the connecting pipe (11) is arranged on the lower end cover (27).

6. The hydrological sampling device of claim 5, wherein: the second filter cartridge (9) comprises a second cylinder body (28), the upper end of the second cylinder body (28) is connected with the lower end of the upper end cover (26), the second filter holes (10) are formed in the second cylinder body (28), a lower cover plate (29) is detachably arranged at the lower end of the second cylinder body (28), and the lower end of the lower cover plate (29) is suspended and not contacted with the upper end of the lower end cover (27).

7. The hydrological sampling device of claim 1, wherein: valves are arranged on the water inlet pipe (18), the water outlet pipe (16) and the water outlet pipe (19).

8. The hydrological sampling device of any one of claims 1 to 7, wherein: two positioning grooves (30) are symmetrically formed in the inner wall of the gravity bin (17), each positioning groove (30) penetrates through the gravity bin (17) from top to bottom, two positioning columns (31) matched with each positioning groove (30) for use are symmetrically formed in the outer wall of the sampling bin (1), and a positioning table (32) is arranged at the lower end of each positioning column (31).

9. The hydrological sampling device of claim 8, wherein: the gravity bin (17) is provided with limiting grooves (33) formed in the positioning columns (31), limiting blocks (35) are inserted into the limiting grooves (33), the lower ends of the outer half sections of the limiting blocks (35) are attached to the upper ends of the gravity bin (17), and the limiting blocks (35) are detachably connected with the positioning columns (31) through positioning screws (36).