CN220625858U

CN220625858U - Groundwater sampling device

Info

Publication number: CN220625858U
Application number: CN202321132808.6U
Authority: CN
Inventors: 王佳斌; 蔡慧; 陈洁; 李竹君
Original assignee: Suzhou Yifante Environment Restoration Co ltd
Current assignee: Suzhou Yifante Environment Restoration Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2024-03-19
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses a groundwater sampling device, comprising: the sampling device comprises a connecting component and a sampling component, wherein the sampling component is arranged at the bottom of the connecting component; the connection assembly includes: the device comprises a connecting outer rod, a connecting inner rod arranged in the connecting outer rod, and a limiting block arranged on the side surface of the connecting inner rod; the bottom of connecting the outer pole is provided with first external screw thread, the bottom of connecting the inner pole is provided with the second external screw thread, the top of connecting the outer pole is provided with first internal screw thread, the first external screw thread that connects the outer pole bottom setting in through coupling assembling and the first internal screw thread looks adaptation that the top set up, the second external screw thread that connects the inner pole bottom setting and the second internal screw thread looks adaptation that the top set up to a plurality of coupling assembling of degree of depth connection that can sample as required, reach after appointed sampling depth, manual pulling draws the handle and drives piston and first rubber pad upward movement, can drive the second rubber pad and upwards open, thereby accomplish the sample to fixed depth groundwater.

Description

Groundwater sampling device

Technical Field

The utility model relates to the technical field of groundwater sampling, in particular to a groundwater sampling device.

Background

Groundwater sampling is a complex and rigorous task that requires the use of groundwater sampling devices.

In the chinese patent of patent No. CN216955290U, an underground water sampling device is disclosed, when the device is used, according to different environments, two internal slide bars are pulled to slide in the two fixed loop bars, two fixed cross plates are loosened, two limiting rods are driven to be movably embedded in limiting through holes in the two internal slide bars by the elastic force of reset of two connecting springs, so that the two internal slide bars are fixed, two cross slide blocks slide in the two hollow bars, the distance is adjusted, then a motor is started to drive the two cross slide blocks to rotate with the two hollow bars, a connecting sleeve is driven to rotate, so that a hollow frame is driven to move up and down, at this time, underground water is adsorbed by a plurality of sponges, at this time, the motor drives the connecting sleeve to reversely rotate, so that the connecting ropes are movably sleeved on the outer surface of the connecting sleeve, at this time, the rotating threaded rods drive the extrusion plates to slide on the outer surfaces of the two slide bars, and extrude a plurality of sponges, so that adsorbed water in the sponges is discharged, after the water is discharged, a plurality of sponges are recovered with a plurality of sponges by the arrangement of reset springs, and the filter screen is convenient for workers to work in situ.

But the device is when in actual use, and inconvenient dismouting, often comparatively inconvenient when transportation or use to circuit line and lifting lead wire are more, often have reduced the success rate of sampling and the efficiency of during operation, have the room of improvement, therefore we provide a groundwater sampling device.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides the underground water sampling device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an underground water sampling device, comprising: the sampling device comprises a connecting component and a sampling component, wherein the sampling component is arranged at the bottom of the connecting component;

the connection assembly includes: the device comprises a connecting outer rod, a connecting inner rod arranged in the connecting outer rod, and a limiting block arranged on the side surface of the connecting inner rod; the bottom of the connecting outer rod is provided with a first external thread, the bottom of the connecting inner rod is provided with a second external thread, the top of the connecting outer rod is provided with a first internal thread, and the top of the connecting inner rod is provided with a second internal thread;

the sampling assembly includes: the sampling device comprises a sampling tube, a fixed rod arranged on the upper surface of the sampling tube and a piston arranged in the sampling tube; the top of piston fixedly connected with hinged plate, the inboard of hinged plate articulates there is the movable rod, the top of movable rod is provided with the third internal thread, the top of dead lever is provided with the fourth internal thread.

In a preferred embodiment of the present utility model, the first external thread is adapted to the first internal thread and the fourth internal thread, and the second external thread is adapted to the second internal thread and the third internal thread.

In a preferred embodiment of the present utility model, a drawing component is disposed on top of the connection component, and the drawing component includes: a connecting frame and a pull handle arranged on the inner side of the connecting frame; the bottom of connecting frame is provided with the third external screw thread, the bottom of pull handle is provided with the fourth external screw thread.

In a preferred embodiment of the present utility model, the third external thread is adapted to the first internal thread and the fourth internal thread, and the fourth external thread is adapted to the second internal thread and the third internal thread.

In a preferred embodiment of the utility model, a plurality of first rubber pads are arranged on the side face of the piston, and the first rubber pads are attached to the inner wall of the sampling tube.

In a preferred embodiment of the utility model, the bottom of the sampling tube is fixedly connected with a filter screen, a fixed column is arranged on the upper surface of the filter screen, and a second rubber pad is fixedly connected with the upper surface of the fixed column.

In a preferred embodiment of the present utility model, the fixing column is disposed in the middle of the filter screen and the second rubber pad, and the second rubber pad is attached to the inner wall of the sampling tube.

In a preferred embodiment of the utility model, a water outlet is arranged on the side surface of the sampling tube, a valve is arranged at the top of the water outlet, and the water outlet is communicated to the inside of the sampling tube.

In a preferred embodiment of the present utility model, the limiting block slides along the length direction of the connecting outer rod.

In a preferred embodiment of the present utility model, the movable rod is sleeved on the inner sides of the sampling tube and the fixed rod.

The utility model solves the defects existing in the background technology, and has the following beneficial effects:

(1) The utility model provides a groundwater sampling device, which is characterized in that a connecting component, a sampling component arranged at the bottom of the connecting component and a drawing component arranged at the top of the connecting component are arranged, a first external thread arranged at the bottom of an external connecting rod in the connecting component is matched with a first internal thread arranged at the top of the connecting component, a second external thread arranged at the bottom of an internal connecting rod is matched with a second internal thread arranged at the top of the connecting component, so that a plurality of connecting components can be connected according to the depth of sampling required, after reaching a designated sampling depth, a drawing handle is manually pulled to drive a piston and a first rubber pad to move upwards, and a second rubber pad can be driven to be opened upwards, thereby completing the sampling of groundwater with fixed depth and facilitating the improvement of the accuracy of detection results.

(2) According to the utility model, the first external thread at the bottom of the connecting external rod is matched with the fourth internal thread at the top of the fixed rod, the second external thread at the bottom of the connecting internal rod is matched with the third internal thread at the top of the movable rod, the third external thread at the bottom of the connecting frame is matched with the first internal thread at the top of the connecting external rod, and the fourth external thread at the bottom of the pull handle is matched with the second internal thread at the top of the connecting internal rod, so that the whole device is convenient to disassemble and assemble, and flexibility and convenience are increased during use or transportation.

(2) According to the utility model, the filter screen is fixedly connected to the bottom of the sampling tube, when the piston and the first rubber pad move upwards during underground water sampling, and the second rubber pad is driven to pump underground water into the sampling tube upwards, the filter screen can prevent larger impurities from entering the sampling tube, so that the water quality of sampling can be improved.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a perspective view of a preferred embodiment of the present utility model;

FIG. 2 is a unitary semi-cutaway view of a preferred embodiment of the present utility model;

FIG. 3 is an enlarged block diagram of FIG. 2A in accordance with the preferred embodiment of the present utility model;

FIG. 4 is an enlarged block diagram of FIG. 2B in accordance with the preferred embodiment of the present utility model;

in the figure: 1. connecting an outer rod; 11. connecting an inner rod; 12. a first external thread; 13. a second external thread; 14. a first internal thread; 15. a second internal thread; 16. a limiting block; 2. a sampling tube; 21. a piston; 22. a first rubber pad; 23. a hinged plate; 24. a movable rod; 25. a third internal thread; 26. a filter screen; 27. fixing the column; 28. a second rubber pad; 3. a fixed rod; 31. a fourth internal thread; 4. a water outlet; 41. a valve; 5. a connection frame; 51. a pull handle; 52. a third external thread; 53. and fourth external threads.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.

As shown in fig. 1, an underground water sampling device includes: the connecting component and the sampling component are arranged at the bottom of the connecting component;

the side of the sampling tube 2 is provided with a water outlet 4, the top of the water outlet 4 is provided with a valve 41, the water outlet 4 is communicated to the inside of the sampling tube 2, after sampling is finished, the valve 41 is opened, and water samples in the sampling tube 2 can be discharged through the water outlet 4.

As shown in fig. 2, the connection assembly includes: the connecting outer rod 1, the connecting inner rod 11 arranged inside the connecting outer rod 1, and the limiting block 16 arranged on the side surface of the connecting inner rod 11; the bottom of the connecting outer rod 1 is provided with a first external thread 12, the bottom of the connecting inner rod 11 is provided with a second external thread 13, the top of the connecting outer rod 1 is provided with a first internal thread 14, and the top of the connecting inner rod 11 is provided with a second internal thread 15;

the sampling assembly includes: the sampling tube 2, the fixed rod 3 arranged on the upper surface of the sampling tube 2, and the piston 21 arranged inside the sampling tube 2; the top of the piston 21 is fixedly connected with a hinged plate 23, the inner side of the hinged plate 23 is hinged with a movable rod 24, the top of the movable rod 24 is provided with a third internal thread 25, and the top of the fixed rod 3 is provided with a fourth internal thread 31.

The top of coupling assembling is provided with pull subassembly, and pull subassembly includes: a connection frame 5 and a pull handle 51 provided inside the connection frame 5; the bottom of the connecting frame 5 is provided with a third external thread 52 and the bottom of the pull handle 51 is provided with a fourth external thread 53.

The side of piston 21 is provided with a plurality of first rubber pads 22, and first rubber pad 22 is laminated with the inner wall of sampling tube 2.

The bottom fixedly connected with filter screen 26 of sampling tube 2, the upper surface of filter screen 26 is provided with fixed column 27, and the upper surface fixedly connected with second rubber pad 28 of fixed column 27.

The fixed column 27 sets up the middle part at filter screen 26 and second rubber pad 28, and second rubber pad 28 is laminated mutually with the inner wall of sampling tube 2.

The stopper 16 slides along the length direction of the connection outer rod 1.

The movable rod 24 is sleeved on the inner sides of the sampling tube 2 and the fixed rod 3, after the bottom of the drawing component is in threaded connection with the top of the connecting component, the connecting component is in threaded connection with the sampling component, after the water sample is placed into a designated depth, the pull handle 51 is manually pulled to drive the connecting inner rod 11 to move upwards, the limiting block 16 can slide upwards along the inner wall of the connecting outer rod 1 at the moment, meanwhile, the movable rod 24 can drive the piston 21 and the first rubber pad 22 to move upwards through the hinge plate 23, the second rubber pad 28 can be turned upwards by the suction generated in the sampling tube 2, the water sample can enter the sampling tube 2 after the larger impurities are filtered through the filter screen 26, and the water sample can be discharged by opening the valve 41 at the water outlet 4 after the sampling is finished.

As shown in fig. 3, the first external thread 12 is matched with the first internal thread 14 and the fourth internal thread 31, the second external thread 13 is matched with the second internal thread 15 and the third internal thread 25, and the second external thread 13 arranged at the bottom of the connecting internal rod 11 is matched with the second internal thread 15 arranged at the top by matching the first external thread 12 arranged at the bottom of the connecting external rod 1 with the first internal thread 14 arranged at the top, so that a plurality of connecting components can be connected according to the depth of sampling.

As shown in fig. 4, the third external thread 52 is mated with the first internal thread 14 and the fourth internal thread 31, and the fourth external thread 53 is mated with the second internal thread 15 and the third internal thread 25.

When the water sampling device is used, the first external thread 12 at the bottom of the connecting external rod 1 is matched with the first internal thread 14 at the top, the second external thread 13 at the bottom of the connecting internal rod 11 is matched with the second internal thread 15 at the top, a plurality of connecting components are connected according to the depth of sampling, the piston 21 and the first rubber pad 22 can be driven to move upwards by the movable rod 24 through the hinge plate 23, the second external thread 13 is matched with the third internal thread 25, the third external thread 52 is matched with the first internal thread 14, the fourth external thread 53 is matched with the second internal thread 15, the connecting components are connected with the sampling components in a threaded mode, the pulling component is connected with the connecting components in a threaded mode, after the water sampling component is placed into a specified depth, the pulling handle 51 is pulled manually, the connecting internal rod 11 can be driven to move upwards, the limiting block 16 can slide upwards along the inner wall of the connecting external rod 1, the second rubber pad 28 can be opened upwards by the suction force generated inside the sampling cylinder 2 through the hinge plate 23, the water sample can be discharged from the water sample inlet 4 after the filtering of the filter screen 26 is finished, and the water sample can be discharged from the water sample outlet 41.

The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. An underground water sampling device, comprising: the sampling device comprises a connecting component and a sampling component, wherein the sampling component is arranged at the bottom of the connecting component;

the connection assembly includes: the device comprises a connecting outer rod (1), a connecting inner rod (11) arranged inside the connecting outer rod (1), and a limiting block (16) arranged on the side surface of the connecting inner rod (11); the bottom of the connecting outer rod (1) is provided with a first external thread (12), the bottom of the connecting inner rod (11) is provided with a second external thread (13), the top of the connecting outer rod (1) is provided with a first internal thread (14), and the top of the connecting inner rod (11) is provided with a second internal thread (15);

the sampling assembly includes: the sampling device comprises a sampling tube (2), a fixed rod (3) arranged on the upper surface of the sampling tube (2), and a piston (21) arranged inside the sampling tube (2); the top of piston (21) fixedly connected with hinged plate (23), the inboard of hinged plate (23) articulates there is movable rod (24), the top of movable rod (24) is provided with third internal thread (25), the top of dead lever (3) is provided with fourth internal thread (31).

2. The groundwater sampling device according to claim 1, wherein: the first external thread (12) is matched with the first internal thread (14) and the fourth internal thread (31), and the second external thread (13) is matched with the second internal thread (15) and the third internal thread (25).

3. The groundwater sampling device according to claim 1, wherein: the top of coupling assembling is provided with pull subassembly, pull subassembly includes: a connection frame (5) and a pull handle (51) arranged on the inner side of the connection frame (5); the bottom of connecting frame (5) is provided with third external screw thread (52), the bottom of pull handle (51) is provided with fourth external screw thread (53).

4. A groundwater sampling device according to claim 3 wherein: the third external thread (52) is matched with the first internal thread (14) and the fourth internal thread (31), and the fourth external thread (53) is matched with the second internal thread (15) and the third internal thread (25).

5. The groundwater sampling device according to claim 1, wherein: the side of piston (21) is provided with a plurality of first rubber pads (22), first rubber pad (22) with the inner wall of sampling tube (2) laminating mutually.

6. The groundwater sampling device according to claim 1, wherein: the bottom fixedly connected with filter screen (26) of sampling tube (2), be provided with fixed column (27) on the upper surface of filter screen (26), the upper surface fixedly connected with second rubber pad (28) of fixed column (27).

7. The groundwater sampling device according to claim 6, wherein: the fixed column (27) is arranged in the middle of the filter screen (26) and the second rubber pad (28), and the second rubber pad (28) is attached to the inner wall of the sampling tube (2).

8. The groundwater sampling device according to claim 1, wherein: the side of sampling tube (2) is provided with delivery port (4), the top of delivery port (4) sets up valve (41), delivery port (4) intercommunication to the inside of sampling tube (2).

9. The groundwater sampling device according to claim 1, wherein: the limiting block (16) slides along the length direction of the connecting outer rod (1).

10. The groundwater sampling device according to claim 1, wherein: the movable rod (24) is sleeved on the inner sides of the sampling tube (2) and the fixed rod (3).