CN220982790U - Sampling mechanism for groundwater detection - Google Patents
Sampling mechanism for groundwater detection Download PDFInfo
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- CN220982790U CN220982790U CN202322481308.XU CN202322481308U CN220982790U CN 220982790 U CN220982790 U CN 220982790U CN 202322481308 U CN202322481308 U CN 202322481308U CN 220982790 U CN220982790 U CN 220982790U
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- 238000005070 sampling Methods 0.000 title claims abstract description 107
- 239000003673 groundwater Substances 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 4
- 239000002689 soil Substances 0.000 description 10
- 230000006872 improvement Effects 0.000 description 6
- 239000004576 sand Substances 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of water sampling and discloses a sampling mechanism for groundwater detection, which comprises a box body, wherein a sampling chamber and a sampling chamber are arranged in the box body, a rotary pipe, a spiral blanking pipe, a sampling pipe and the like are arranged in the sampling chamber, and a fixed pipeline, a negative pressure pump, a first hose and the like are arranged in the sampling chamber.
Description
Technical Field
The utility model relates to the field of water sampling, in particular to a sampling mechanism for groundwater detection.
Background
Groundwater refers to water in rock gaps below the bottom surface, including water contained in soil, is an important component of water resources, is one of important water sources for people to produce and live, and changes of groundwater also cause adverse effects such as ground subsidence and salinization, so that sampling and detection of groundwater is also one of important works during geological exploration.
When groundwater is sampled, holes connected with groundwater are formed on the ground or the ground is drilled into a soil layer with a designated depth, groundwater is oozed out of the soil, then a drilling tool is taken out, sampling equipment is put into the drilled holes to take water, finally the taken groundwater is put into a sampling bottle or a sampling test tube to be stored, and aiming at the related technology, the inventor considers that the single drilling or sampling equipment has the advantages of simple structure and convenient operation, but the sampling can be finished only by carrying a plurality of sets of equipment in cooperation during sampling, especially in a field place, so that the sampling is very inconvenient.
Disclosure of utility model
The utility model provides a sampling mechanism for groundwater detection, which aims to solve the technical problems that a plurality of devices are required to be carried simultaneously and the operation is complex when groundwater is sampled.
The utility model is realized by adopting the following technical scheme: the sampling mechanism for groundwater detection comprises a box body, wherein a sampling chamber and a sample reserving chamber are arranged in the box body;
the sampling chamber is internally provided with:
A rotating tube rotatably installed at the top of the sampling chamber;
The spiral blanking pipe is in threaded connection with the inside of the rotating pipe, and a through mounting hole is formed in the middle of the spiral blanking pipe;
the sampling tube is fixedly connected to the lower end of the spiral blanking tube, and a water inlet is formed in the side wall of the sampling tube;
The sample reserving chamber is internally provided with:
The fixed pipeline is fixedly connected to the inner top of the sample reserving chamber;
the negative pressure pump is arranged at the top of the sample reserving chamber, and an air inlet of the negative pressure pump is connected with the fixed pipeline;
The box body is also provided with a first hose, one end of the first hose penetrates through the mounting hole in the middle of the spiral blanking pipe to enter the sampling pipe, and the other end of the first hose is communicated and connected with the fixed pipeline.
Through above-mentioned technical scheme, drive spiral unloading pipe and sampling tube downwardly moving when rotating through the swivelling pipe, go deep into the underground, after reaching appointed degree of depth, groundwater gets into in the sampling tube through the water inlet, starts the negative pressure pump, through the negative pressure environment that the negative pressure pump caused for first hose draws up groundwater.
As a further improvement of the scheme, the inner wall of the rotating pipe is provided with an internal thread, the rotating pipe is provided with a mounting groove, a fixed sleeve is rotationally connected in the mounting groove, the fixed sleeve is fixedly connected to the top of the sampling chamber, and the rotating pipe is also fixedly connected with a control rod.
Through above-mentioned technical scheme, be provided with ball bearing between fixed sleeve and the pivoted tube, because fixed sleeve fixes on the box, when the staff makes pivoted tube rotate through the control lever, can drive spiral unloading pipe and reciprocate.
As a further improvement of the scheme, the lower end of the sampling tube is fixedly connected with a conical penetration head, and a filter screen is arranged in the water inlet hole.
Through above-mentioned technical scheme, the conical penetrating head makes things convenient for spiral unloading pipe and sampling tube to get into in the soil horizon, and the filter screen can prevent that secret sand and stone from getting into in the first hose.
As a further improvement of the scheme, the fixed pipeline is Z-shaped, the higher end of the Z-shaped is connected with the air inlet of the negative pressure pump, and the lower end of the Z-shaped is connected with the first hose in a communicated manner;
The lower one end below of fixed pipeline still communicates and is connected with the second hose, is in simultaneously still be provided with the sample bottle in the sample reserving chamber.
Through above-mentioned technical scheme, consequently the negative pressure pump can cause negative pressure environment, comes with groundwater extraction through the negative pressure, when fixed pipeline has the setting of a height one low, can prevent that groundwater from directly flowing into in the negative pressure pump, and fixed pipeline lower one end below still communicates and is connected with the second hose, and consequently groundwater that comes up can get into the second hose at first, can be provided with a plurality of sample bottles in the sample reserving room, during the use, directly with the one end of second hose connect on the sample bottle can.
As a further improvement of the scheme, the outer side of the sampling tube is also sleeved with a guide sleeve, a guide hole is formed in the guide sleeve, a guide shaft is fixedly arranged in the sampling chamber, and the guide sleeve is sleeved on the outer side of the guide shaft through the guide hole.
Through above-mentioned technical scheme for sampling tube and spiral unloading pipe can only reciprocate, can't rotate.
As a further improvement of the scheme, a sampling through hole for accommodating the spiral blanking pipe and the sampling pipe to enter and exit is formed in the bottom of the box body, and a side door is connected to the side face of the box body through hinge rotation.
Through above-mentioned technical scheme, the sampling through-hole makes things convenient for spiral unloading pipe and sampling tube direct deep into the soil below.
As a further improvement of the scheme, the top of the spiral blanking pipe is fixedly connected with a limiting sealing plate
Through above-mentioned technical scheme, spacing shrouding plays spacing effect, and the stroke is crossed when preventing spiral unloading pipe downwardly moving, and on the other hand can play the fixed action to first hose.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the spiral blanking pipe and the sampling pipe are driven to move downwards by controlling the rotation pipe to rotate and inserted into soil, and the underground water enters the internal cavity of the sampling pipe after passing through the water inlet hole and the filter screen, and then is pumped into the sampling bottle by matching with the negative pressure pump and the first and second hoses, so that the underground water sampling and collecting work is rapidly completed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a front view of the overall structure of the present utility model;
FIG. 3 is a schematic diagram showing the partial structure of the spiral blanking pipe, the sampling pipe and the like in a semi-cutaway mode.
Main symbol description: 1. a case; 2. a sampling chamber; 3. a sample reserving chamber; 4. a rotary tube; 5. fixing the sleeve; 6. a control lever; 7. a spiral blanking pipe; 8. a mounting hole; 9. a sampling tube; 10. a water inlet hole; 11. a filter screen; 12. a penetration head; 13. fixing the pipeline; 14. a negative pressure pump; 15. a first hose; 16. a second hose; 17. sampling bottle; 18. sampling through holes; 19. limiting sealing plates; 20. a guide sleeve; 21. and a guide shaft.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Please combine fig. 1-3, a sampling mechanism for groundwater detection in this embodiment, including a box 1, wherein two chambers are provided in the box 1, which are a sampling chamber 2 and a sample reserving chamber 3, and side edges of the sampling chamber 2 and the sample reserving chamber 3 are connected with side doors (not labeled in the figure) through hinges.
Firstly, a rotary tube 4 is arranged at the top of a sampling chamber 2, an internal thread is arranged on the inner wall of the rotary tube 4, a mounting groove is arranged on the outer side wall of the rotary tube 4, a fixed sleeve 5 is rotationally connected in the mounting groove through a ball bearing, the fixed sleeve 5 is fixedly connected at the top of the sampling chamber 2, a control rod 6 is fixedly connected on the rotary tube 4 for conveniently controlling the rotation of the rotary tube 4,
The spiral blanking pipe 7 is connected with the rotating pipe 4 through threads, namely, corresponding external threads are formed in the spiral blanking pipe 7, a through mounting hole 8 is formed in the middle of the spiral blanking pipe 7, the sampling pipe 9 is fixedly connected to the bottom of the spiral blanking pipe 7, a cavity is formed in the sampling pipe 9 at first, meanwhile, a through water inlet 10 is formed in the side wall of the cavity, a filter screen 11 is fixedly connected to the water inlet 10, sand is prevented from entering the sampling pipe 9, a conical penetrating head 12 is arranged at the bottom of the sampling pipe 9 so that the spiral blanking pipe 7 and the sampling pipe 9 and the penetrating head 12 can extend out of the sampling chamber 2 under the condition that the sampling pipe 9 is conveniently penetrated into soil, and a sampling through hole 18 is formed in the bottom of the sampling chamber 2.
In addition, a guide sleeve 20 is fixedly connected to the outer side of the sampling tube 9, a guide hole (not shown) is formed in the guide sleeve 20, a guide shaft 21 is fixedly arranged in the sampling chamber 2, and the guide sleeve 20 is sleeved on the guide shaft 21 through the guide hole, so that the spiral blanking tube 7 and the sampling tube 9 can only move up and down along the direction of the guide shaft 21.
In summary, when the user manually rotates the control rod 6, the screw blanking tube 7 and the sampling tube 9 move downward under the cooperation of the internal thread on the rotation and the external thread on the screw blanking tube, the sampling tube 9 also moves downward when the screw blanking tube is inserted into the soil, and the guiding shaft 21 cooperates with the guiding sleeve 20 to provide guiding function.
When the sampling tube 9 also moves downwards, after entering the deep soil layer, groundwater can enter the internal cavity of the sampling tube 9 through the water inlet 10, and the filter screen 11 plays a role in filtering at the moment, so that sand is prevented from entering the sampling tube 9.
In addition, the through mounting hole 8 is formed in the middle of the spiral blanking pipe 7, the first hose 15 is arranged in the mounting hole 8, namely, one end of the first hose 15 penetrates through the mounting hole 8 and goes deep into the sampling pipe 9, the other end of the first hose extends out of the upper end of the mounting hole 8 and enters the sampling chamber 3 to be matched with the sampling chamber, and the limiting sealing plate 19 is fixedly connected to the top of the sampling pipe 9, so that on one hand, the limiting sealing plate 19 plays a limiting role, and on the other hand, the first hose 15 can be fixed by preventing the spiral blanking pipe 7 from moving downwards and passing through a stroke.
In order to pump up the groundwater entering the sampling tube 9 through the first hose 15, a negative pressure pump 14 is fixedly arranged at the top of the sample reserving chamber 3, and a fixed pipeline 13 is fixedly connected with the inner top of the sample reserving chamber 3 through a clamp;
The fixed pipe 13 is in a zigzag shape, that is, the fixed pipe 13 is composed of three sections, one section is higher, the other section is lower, the third section is a middle arc-shaped connecting section for connecting the two previous sections, the higher section in the zigzag shape is connected with the air inlet of the negative pressure pump 14, the lower section is connected with the first hose 15 in a communicating manner, and in addition, the lower part of the lower end of the fixed pipe 13 is also connected with the second hose 16 in a communicating manner.
Therefore, when the negative pressure pump 14 is started, negative pressure is formed in the fixed pipe 13 and the first hose 15, and the groundwater is pumped up and enters the fixed pipe 13 through the first hose 15, so the fixed pipe 13 is divided into three-stage structure, wherein the negative pressure pump 14 is connected with a higher stage, and there is no concern that water sample will enter the negative pressure pump 14.
And after the water sample enters the fixed pipeline 13, the water sample can enter the second hose 16, and in order to collect the water sample conveniently, a plurality of sampling bottles 17 are further arranged in the sample reserving chamber 3, and when the water sample collecting device is used, the lower end of the second hose 16 is directly inserted into the sampling bottles 17, so that the water sample collecting can be started.
The implementation process and principle of the sampling mechanism for groundwater detection in the embodiment of the application are as follows: firstly, the lower end of the second hose 16 is inserted into an empty sampling bottle 17 and covered with a sealing cover, then the rotary tube 4 is rotated through the control rod 6, when the rotary tube 4 is rotated, the spiral blanking tube 7 and the sampling tube 9 move downwards under the cooperation of the internal threads on the rotation and the external threads on the threaded blanking tube, the conical penetration head 12 is matched, the sampling tube 9 moves downwards in soil until the water inlet position on the sampling tube 9 reaches a designated depth, the guide shaft 21 is matched with the guide sleeve 20 to provide a guide effect in the process, groundwater enters into the internal cavity of the sampling tube 9 through the water inlet 10, and the filter screen 11 automatically filters sand.
Then, the negative pressure pump 14 is started, the negative pressure pump 14 forms a negative pressure environment in the fixed pipeline 13 and the first hose 15, and the groundwater is pumped up and sequentially enters the sampling bottle 17 through the first hose 15, the fixed pipeline 13 and the second hose 16, so that sampling is completed.
After the last sample is accomplished, close the negative pressure pump 14, save sample bottle 17 to reset sampling tube 9 and spiral unloading pipe 7, this device simple structure, convenient operation, sample drilling and sample bottle 17 are concentrated together, make groundwater sample time, especially when open-air sample more convenient, need not carry many sets of equipment.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (7)
1. The sampling mechanism for groundwater detection comprises a box body (1), and is characterized in that a sampling chamber (2) and a sample reserving chamber (3) are arranged in the box body (1);
The sampling chamber (2) is internally provided with:
a rotating tube (4), wherein the rotating tube (4) is rotatably arranged at the top of the sampling chamber (2);
The spiral blanking pipe (7), the spiral blanking pipe (7) is connected with the inside of the rotating pipe (4) in a threaded mode, and a through mounting hole (8) is formed in the middle of the spiral blanking pipe (7);
The sampling tube (9), the lower end of the said spiral blanking tube (7) of fixed connection of the said sampling tube (9), and offer the water inlet (10) on the sidewall of the sampling tube (9);
the sample reserving chamber (3) is internally provided with:
the fixed pipeline (13), the fixed pipeline (13) is fixedly connected to the inner top of the sample reserving chamber (3);
The negative pressure pump (14) is arranged at the top of the sample reserving chamber (3), and an air inlet of the negative pressure pump (14) is connected with the fixed pipeline (13);
The box body (1) is further provided with a first hose (15), one end of the first hose (15) penetrates through the mounting hole (8) in the middle of the spiral blanking pipe (7) to enter the sampling pipe (9), and the other end of the first hose is communicated and connected with the fixed pipeline (13).
2. The sampling mechanism for groundwater detection according to claim 1, wherein the inner wall of the rotating pipe (4) is provided with internal threads, the rotating pipe (4) is provided with a mounting groove, a fixed sleeve (5) is rotationally connected in the mounting groove, the fixed sleeve (5) is fixedly connected at the top of the sampling chamber (2), and a control rod (6) is fixedly connected on the rotating pipe (4).
3. The sampling mechanism for groundwater detection according to claim 1, wherein the lower end of the sampling tube (9) is fixedly connected with a conical penetration head (12), and a filter screen (11) is arranged in the water inlet hole (10).
4. The sampling mechanism for groundwater detection according to claim 1, wherein the fixed pipe (13) is in a zigzag shape, the higher end of the zigzag shape is connected with the air inlet of the negative pressure pump (14), and the lower end is connected with the first hose (15);
The lower part of one lower end of the fixed pipeline (13) is also communicated and connected with a second hose (16), and a sampling bottle (17) is also arranged in the sample reserving chamber (3).
5. The sampling mechanism for groundwater detection according to claim 1, wherein the outer side of the sampling tube (9) is further sleeved with a guide sleeve (20), the guide sleeve (20) is provided with a guide hole, a guide shaft (21) is fixedly arranged in the sampling chamber (2), and the guide sleeve (20) is sleeved on the outer side of the guide shaft (21) through the guide hole.
6. The sampling mechanism for groundwater detection according to claim 1, wherein a sampling through hole (18) for accommodating the spiral blanking pipe (7) and the sampling pipe (9) is formed at the bottom of the box body (1), and a side door is connected to the side surface of the box body (1) through hinge rotation.
7. The sampling mechanism for groundwater detection as claimed in claim 1, wherein the top of the spiral blanking pipe (7) is fixedly connected with a limit sealing plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322481308.XU CN220982790U (en) | 2023-09-12 | 2023-09-12 | Sampling mechanism for groundwater detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322481308.XU CN220982790U (en) | 2023-09-12 | 2023-09-12 | Sampling mechanism for groundwater detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220982790U true CN220982790U (en) | 2024-05-17 |
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ID=91062563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322481308.XU Active CN220982790U (en) | 2023-09-12 | 2023-09-12 | Sampling mechanism for groundwater detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220982790U (en) |
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2023
- 2023-09-12 CN CN202322481308.XU patent/CN220982790U/en active Active
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