CN213121275U

CN213121275U - Groundwater sample thief for hydrogeological engineering

Info

Publication number: CN213121275U
Application number: CN202022491672.0U
Authority: CN
Inventors: 钟亩锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-05-04
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a hydrogeological engineering underground water sample thief relates to groundwater sampling technical field. The utility model discloses a sampling mechanism, sampling mechanism comprises a plurality of sampling subassemblies, and a plurality of sampling subassemblies are from last to being linear arrangement and threaded connection between two liang down in proper order, and sampling mechanism top threaded connection has suspension mechanism, and sampling mechanism bottom threaded connection has the balancing weight, and the sampling subassembly includes siphunculus and sampling tank, and the siphunculus top is fixed with the connecting pipe, and the siphunculus bottom mounting has first double-screw bolt, and the connecting pipe inner wall is opened there is the thread groove, and first double-screw bolt axle center department opens there is first through-hole. The utility model discloses a mutually supporting of suspension mechanism and balancing weight for this sampling device can be vertical suspension in groundwater, utilizes between the two from last to a plurality of sampling component that distribute in proper order down to carry out the sampling treatment to the different depth of water departments of groundwater, makes the sample effect of groundwater better, and follow-up detection is more accurate.

Description

Groundwater sample thief for hydrogeological engineering

Technical Field

The utility model belongs to the technical field of groundwater sampling, especially, relate to a groundwater sample thief for hydrogeological engineering.

Background

Groundwater refers to water present in the rock voids below the ground, and in the narrower sense, water in a saturated aquifer below the surface of the groundwater. In the national standard hydrogeological terminology, groundwater refers to various forms of gravitational water buried below the surface of the earth. The groundwater is an important component of water resources, and is one of important water sources for agricultural irrigation, industrial and mining and cities due to stable water yield and good water quality. However, under certain conditions, changes in groundwater can also cause adverse natural phenomena such as swampiness, salinization, landslide, and ground subsidence.

With the continuous development of industrialization, the types of pollutants are increasing, the pollution degree of the pollutants to underground water is also increasing, and the detection of the underground water is also increasingly regarded as one of important components for environmental protection. In the process of monitoring the underground water, necessary sampling treatment needs to be carried out on the underground water, and the traditional sampling device is too simple in structure and can only sample the underground water with a single water depth, so that the detection effect of the underground water is poor, the accuracy is low, and the underground water quality cannot be comprehensively evaluated; meanwhile, the traditional sampling device is generally of an integrated structure, is large in size and inconvenient to carry and store, and can bring certain influence on the use of the device and directly influence the convenience of an operator on the use of the device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrogeological engineering underground water sample thief, through mutually supporting of suspension mechanism and balancing weight for this sampling device can be vertical suspension in the groundwater, utilizes between the two from last to a plurality of sampling component that distribute in proper order down to carrying out the sampling treatment to the different depth of water departments of groundwater, makes the sample effect of groundwater better, and follow-up detection is more accurate.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a hydrogeological engineering groundwater sample thief, including the sampling mechanism, the sampling mechanism comprises a plurality of sampling subassemblies, and a plurality of sampling subassemblies are linear arrangement and threaded connection between two and two in proper order from top to bottom, the threaded connection in sampling mechanism top has suspension mechanism, the threaded connection in sampling mechanism bottom has the balancing weight;

the sampling assembly comprises a through pipe and a sampling tank, a connecting pipe is fixed at the top end of the through pipe, a first stud is fixed at the bottom end of the through pipe, a thread groove is formed in the inner wall of the connecting pipe, a first through hole is formed in the axis of the first stud, the through pipe, the connecting pipe and the first stud are communicated with each other, and a first gas pipe is fixedly penetrated through the outer wall of the through pipe;

the siphunculus outer wall is from last to cup jointing in proper order down and being fixed with first fixed plate and second fixed plate, first gas-supply pipe and siphunculus combination department are located first fixed plate top, it has first screw hole to open on the second fixed plate, the second fixed plate has the bolt through first screw hole threaded connection, bolt one end is passed first screw hole and is rotated through the bearing and be connected with splint, open at the sampling tank top portion has the air inlet duct rather than inside mutual intercommunication, first gas-supply pipe and air inlet duct inner wall clearance fit, the sampling tank outer wall runs through and is fixed with the inlet tube, be equipped with the check valve on the inlet tube.

Preferably, the sampling tank is arranged between the clamping plate and the first fixing plate, and a sealing ring is arranged at the joint of the air inlet groove and the first air conveying pipe.

Preferably, one first double-screw bolt in the sampling subassembly is rather than the connecting pipe threaded connection in the sampling subassembly below, first through-hole internal diameter equals with siphunculus internal diameter size, the connecting pipe external diameter equals with siphunculus external diameter size.

Preferably, a second threaded hole is formed in the top of the balancing weight, and a first stud in the bottom sampling assembly in the sampling mechanism is in threaded connection with the balancing weight.

Preferably, the suspension mechanism comprises a supporting plate, a second stud is fixed at the bottom of the supporting plate, a second through hole is formed in the axis of the second stud, and the second through hole is in threaded connection with a connecting pipe in the top sampling assembly in the sampling mechanism.

Preferably, a foam plate is fixedly sleeved on the outer wall of the second stud, the top of the foam plate is fixedly connected with the bottom of the supporting plate, an air pump and a fixing block are fixed on the top of the supporting plate, an air supply pipe is fixed at one end of an air outlet of the air pump, the other end of the air supply pipe is fixedly communicated with a three-way pipe, the other two ends of the three-way pipe are respectively fixedly communicated with a second air supply pipe and an exhaust pipe, an exhaust valve is arranged on the exhaust pipe, and the other end of the second air supply pipe penetrates through the supporting plate and is communicated.

The utility model discloses following beneficial effect has:

1. the utility model discloses a mutually supporting of suspension mechanism and balancing weight for this sampling device can be vertical suspension in groundwater, utilize between the two from last to carrying out the sample treatment to the different depth of water departments of groundwater of a plurality of sampling subassembly that distribute in proper order down, make the sample effect of groundwater better, follow-up detection is more accurate, the mode of sampling subassembly sample is through changing the inside atmospheric pressure of sampling tank and accomplish the back, make more convenient laborsaving of sampling operation of sampling subassembly, can not only improve the efficiency of groundwater sample, and the actual demand of satisfying the groundwater sample that can be better.

2. The utility model discloses a threaded connection's mode is suspended the equipment concatenation of mechanism, balancing weight and a plurality of sampling subassembly for the device is more convenient when carrying and saving, uses more province trouble, and the sampling jar in the sampling subassembly utilizes mutually supporting of first gas-supply pipe, first fixed plate and splint to install and use, makes the sampling jar after the sample is accomplished take off more easily, thereby more convenient completion groundwater's follow-up detection.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an underground water sampler for hydrogeological engineering of the present invention;

FIG. 2 is a schematic structural view of a sampling assembly;

FIG. 3 is a front view of the structure of FIG. 2;

FIG. 4 is a schematic structural view of the through pipe, the connecting pipe, the first gas pipe and the first stud;

FIG. 5 is a schematic structural view of a through pipe, a connecting pipe, a first stud and a first through hole;

FIG. 6 is a schematic structural view of a sampling tank, an air inlet groove, an inlet pipe and a one-way valve;

FIG. 7 is a schematic structural view of a weight block and a second threaded hole;

FIG. 8 is a schematic structural diagram of a suspension mechanism;

FIG. 9 is a schematic structural view of the support plate, the foam plate, the second stud and the second through hole;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a suspension mechanism; 2. a balancing weight; 3. a sampling component; 4. pipe passing; 5. a connecting pipe; 6. a first stud; 7. a first through hole; 8. a first gas delivery pipe; 9. a first fixing plate; 10. a second fixing plate; 11. a first threaded hole; 12. a bolt; 13. a splint; 14. a sampling tank; 15. an air inlet groove; 16. a water inlet pipe; 17. a one-way valve; 18. a second threaded hole; 19. a support plate; 20. a second stud; 21. a foam board; 22. a second through hole; 23. an air pump; 24. an air supply pipe; 25. a three-way pipe; 26. a second gas delivery pipe; 27. an exhaust pipe; 28. an exhaust valve; 29. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-9, the utility model relates to a groundwater sampler for hydrogeological engineering, which comprises a sampling mechanism, wherein the sampling mechanism is composed of four sampling components 3, the four sampling components 3 are sequentially arranged linearly from top to bottom and are connected with each other by screw threads, the top of the sampling mechanism is connected with a suspension mechanism 1 by screw threads, and the bottom of the sampling mechanism is connected with a balancing weight 2 by screw threads;

the sampling assembly 3 comprises a through pipe 4 and a sampling tank 14, a connecting pipe 5 is fixed at the top end of the through pipe 4, a first stud 6 is fixed at the bottom end of the through pipe 4, a thread groove is formed in the inner wall of the connecting pipe 5, a first through hole 7 is formed in the axis of the first stud 6, the through pipe 4, the connecting pipe 5 and the first stud 6 are communicated with each other, and a first gas pipe 8 is fixedly penetrated through the outer wall of the through pipe 4;

the utility model discloses a sampling tank, including siphunculus 4 outer wall, first fixed plate 9 and second fixed plate 10 are cup jointed in proper order from last to down, first gas-supply pipe 8 is located first fixed plate 9 top with siphunculus 4 combination department, it has first screw hole 11 to open on the second fixed plate 10, second fixed plate 10 has bolt 12 through 11 threaded connection of first screw hole, bolt 12 one end is passed first screw hole 11 and is connected with splint 13 through the bearing rotation, 14 tops of sampling tank are opened there is the air inlet duct 15 rather than inside mutual intercommunication, first gas-

supply pipe

8 and 15 inner wall clearance fit of air inlet duct, 14 outer walls of sampling tank run through and are fixed with inlet tube 16, be equipped with check valve 17 on the inlet tube 16.

Further, the sampling tank 14 is located between the clamping plate 13 and the first fixing plate 9, and a sealing ring is arranged at the joint of the air inlet groove 15 and the first air delivery pipe 8.

Further, a first stud 6 in the sampling assembly 3 is in threaded connection with a connecting pipe 5 in the sampling assembly 3 below the first stud, the inner diameter of the first through hole 7 is equal to the inner diameter of the through pipe 4, and the outer diameter of the connecting pipe 5 is equal to the outer diameter of the through pipe 4.

Furthermore, a second threaded hole 18 is formed in the top of the balancing weight 2, and the first stud 6 in the bottom sampling assembly 3 in the sampling mechanism is in threaded connection with the balancing weight 2.

Further, the suspension mechanism 1 comprises a supporting plate 19, a second stud 20 is fixed at the bottom of the supporting plate 19, a second through hole 22 is formed in the axis of the second stud 20, the second through hole 22 is in threaded connection with a connecting pipe 5 in the top sampling assembly 3 in the sampling mechanism, a foam plate 21 is fixedly sleeved on the outer wall of the second stud 20, the top of the foam plate 21 is fixedly welded with the bottom of the supporting plate 19, an air pump 23 and a fixing block 29 are fixed at the top of the supporting plate 19, an air supply pipe 24 is fixed at one end of an air outlet of the air pump 23, the other end of the air supply pipe 24 is fixedly communicated with a three-way pipe 25, the other two ends of the three-way pipe 25 are respectively and fixedly communicated with a second air supply pipe 26 and an exhaust pipe 27, an exhaust valve 28 is arranged on the exhaust pipe 27, and the other end of the second air supply.

Firstly, all parts of the device are taken out in sequence, then a sampling tank 14 is taken out, the sampling tank 14 is placed below a first gas pipe 8, one end of the first gas pipe 8 is inserted into the sampling tank 14 along an air inlet groove 15, an operator twists a bolt 12 to enable the bolt 12 to push a clamping plate 13 to move upwards, the clamping plate 13 is matched with a first fixing plate 9 to fix the sampling tank 14, the sampling tank 14 becomes a part of a sampling assembly 3, the operator combines a plurality of sampling assemblies 3 together in a threaded connection mode, a balancing weight 2 is in threaded connection with the sampling assembly 3 at the lowest end, a suspension mechanism 1 is in threaded connection with the sampling assembly 3 at the topmost end, after the assembly of the device is completed, the operator binds one end of a rope on a fixing block 29, then the device is placed into a water well and other water areas communicated with underground water, and the device is suspended in the water by a foam plate 21 in the suspension mechanism 1, and be vertical state under the effect of balancing weight 2, operating personnel starts air pump 23 operation, make the inside high-pressure state that is in of the device, at this moment, the device can not sample after intaking, close air pump 23, open discharge valve 28, gaseous in the sampling tank 14 can be discharged, and accomplish the sample treatment to groundwater under the external water pressure, treat that sampling tank 14 samples and accomplish the back, can follow the aquatic with the device, and take off sampling tank 14 in proper order and utilize the lid sealed, at last will suspend mechanism 1, balancing weight 2 and a plurality of sampling component 3 take apart respectively and accomodate, accomplish the sample treatment of groundwater promptly.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a hydrogeological engineering underground water sample thief which characterized in that: the sampling device comprises a sampling mechanism, wherein the sampling mechanism consists of a plurality of sampling assemblies (3), the sampling assemblies (3) are sequentially linearly arranged from top to bottom and are in threaded connection with each other, the top of the sampling mechanism is in threaded connection with a suspension mechanism (1), and the bottom of the sampling mechanism is in threaded connection with a balancing weight (2);

the sampling assembly (3) comprises a through pipe (4) and a sampling tank (14), a connecting pipe (5) is fixed at the top end of the through pipe (4), a first stud (6) is fixed at the bottom end of the through pipe (4), a thread groove is formed in the inner wall of the connecting pipe (5), a first through hole (7) is formed in the axis of the first stud (6), the through pipe (4), the connecting pipe (5) and the first stud (6) are communicated with each other, and a first gas pipe (8) is fixedly penetrated through the outer wall of the through pipe (4);

siphunculus (4) outer wall from last to cup jointing in proper order down and being fixed with first fixed plate (9) and second fixed plate (10), first gas-supply pipe (8) and siphunculus (4) combination department are located first fixed plate (9) top, it has first screw hole (11) to open on second fixed plate (10), second fixed plate (10) have bolt (12) through first screw hole (11) threaded connection, bolt (12) one end is passed first screw hole (11) and is connected with splint (13) through the bearing rotation, open at sampling jar (14) top has air inlet duct (15) rather than the mutual intercommunication of inside, first gas-supply pipe (8) and air inlet duct (15) inner wall clearance fit, sampling jar (14) outer wall runs through and is fixed with inlet tube (16), be equipped with check valve (17) on inlet tube (16).

2. The groundwater sampler for hydrogeological engineering according to claim 1, characterized in that the sampling tank (14) is located between the clamping plate (13) and the first fixing plate (9), and a sealing ring is arranged at the joint of the air inlet groove (15) and the first air pipe (8).

3. The groundwater sampler for hydrogeological engineering according to claim 1, characterized in that a first stud (6) in one sampling assembly (3) is in threaded connection with a connecting pipe (5) in the sampling assembly (3) below the stud, the inner diameter of the first through hole (7) is equal to the inner diameter of the through pipe (4), and the outer diameter of the connecting pipe (5) is equal to the outer diameter of the through pipe (4).

4. The groundwater sampler for hydrogeological engineering according to claim 1, characterized in that a second threaded hole (18) is opened on the top of the counterweight block (2), and the first stud (6) in the bottom sampling assembly (3) in the sampling mechanism is in threaded connection with the counterweight block (2).

5. The groundwater sampler for hydrogeological engineering according to claim 1, characterized in that the suspension mechanism (1) comprises a supporting plate (19), a second stud (20) is fixed at the bottom of the supporting plate (19), a second through hole (22) is formed at the axis of the second stud (20), and the second through hole (22) is in threaded connection with the connecting pipe (5) in the top sampling assembly (3) in the sampling mechanism.

6. The groundwater sampler for hydrogeological engineering according to claim 5, characterized in that a foam board (21) is fixedly sleeved on the outer wall of the second stud (20), the top of the foam board (21) is fixedly connected with the bottom of the supporting plate (19), an air pump (23) and a fixing block (29) are fixed on the top of the supporting plate (19), an air supply pipe (24) is fixed at one end of an air outlet of the air pump (23), a three-way pipe (25) is fixedly communicated with the other end of the air supply pipe (24), a second air supply pipe (26) and an exhaust pipe (27) are respectively fixedly communicated with the other two ends of the three-way pipe (25), an exhaust valve (28) is arranged on the exhaust pipe (27), and the other end of the second air supply pipe (26) penetrates through the supporting plate (19) and is communicated with the second through hole (22).