Underground water sampling device

Abstract

The invention provides an underground water sampling device which comprises a sampling pipe, the bottom end of the sampling pipe is in threaded connection with a lower water taking head, the bottom end of the lower water taking head is provided with a second water passing opening, the second water passing opening comprises a threaded channel and a water stopping cavity, and the inner bottom surface of the water stopping cavity is rotationally connected with a plugging plate; a threaded pipe is in threaded connection in the threaded channel, the bottom end of the threaded pipe fixedly communicates with a drainage shell, and the bottom end of the drainage shell communicates with a drainage pipe. After water taking is completed, a threaded pipe is connected to a threaded channel in a threaded mode, an ejector rod is pushed through a pushing assembly, so that the ejector rod penetrates through the threaded pipe and the threaded channel and then jacks up a plugging plate, water can be discharged through the threaded pipe, a drainage shell and a drainage pipe, and the taken-out water is drained into a storage container through drainage of the drainage pipe; and the adjusting rod can be rotated to rotate reversely at any time, the ejector rod is reset, ejection of the plugging plate is canceled, drainage is stopped, and water taken out of the water taking pipe can be conveniently adjusted and drained into a plurality of storage containers.

Description

Technical Field

[0001] The invention belongs to the field of groundwater sampling, and in particular relates to a groundwater sampling device. Background Art

[0002] In the geological environment testing of mines, it is necessary to sample groundwater through a groundwater sampling device, test the groundwater, and continuously monitor the water quality of groundwater in the mine.

[0003] During the groundwater sampling process, sampling is performed using a Bailer tube sampler. After sampling water from underground, when the water is discharged, it is inconvenient to adjust the drainage due to the fixed structure of the drainage end of the Bailer tube, and the water is drained into a storage container. Summary of the Invention

[0004] In view of this, the present invention aims to propose a groundwater sampling device to solve the problem that during the groundwater sampling process, sampling is carried out through a Bailer tube sampler. After sampling water from underground, the water is discharged. However, due to the fixed structure of the drainage end of the Bailer tube, it is inconvenient to adjust the drainage and drain the water into a storage container.

[0005] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0006] A groundwater sampling device includes a sampling tube, wherein the bottom end of the sampling tube is threadedly connected to a lower water intake head, the bottom end of the lower water intake head is provided with a second water opening, the second water opening includes a threaded channel and a water stop cavity, and the bottom surface of the water stop cavity is rotatably connected to a blocking plate;

[0007] A threaded tube is threadedly connected to the threaded channel, the bottom end of the threaded tube is fixedly connected to a drainage shell, the bottom end of the drainage shell is connected to a drainage tube, a push rod is provided inside the drainage shell, and a pushing assembly is provided inside the drainage shell, and the pushing assembly is used to push the push rod through the threaded tube to lift the sealing plate.

[0008] Furthermore, the pushing assembly includes a support frame and an adjusting rod, the support frame is fixedly connected to the surface of the top rod, the side wall of the support frame is slidably connected to a support rail, the support rail is fixedly connected to the inner wall of the drainage shell, a rack is fixedly connected to the surface of the support frame, the adjusting rod is rotatably connected to the surface of the drainage shell, and the adjusting rod is fixedly connected to a gear after passing through the interior of the drainage shell, and the gear is meshed with the rack.

[0009] Furthermore, a spring is fixedly connected between the top of the support frame and the inner wall of the drainage shell.

[0010] Furthermore, the top end of the sampling tube is threadedly connected to an upper water intake head, a first water opening is passed through between the bottom end and the side wall of the upper water intake head, and the top end of the upper water intake head is fixedly connected to a hanging ring.

[0011] Furthermore, the first water opening includes a first vertical opening and a first horizontal opening.

[0012] Furthermore, a connecting pipe is fixedly inserted in the first horizontal opening, a docking port communicating with the first vertical opening is provided at the inner bottom end of the connecting pipe, and a docking thread is provided near the inner end of the connecting pipe, and the docking thread is adapted to the threaded pipe.

[0013] Furthermore, the end of the adjusting rod is fixedly connected to an adjusting handle.

[0014] Furthermore, a counterweight is fixedly sleeved on the surface of the lower water intake head.

[0015] Compared with the prior art, the groundwater sampling device described in the present invention has the following beneficial effects:

[0016] After the water is taken out according to the present invention, the threaded pipe is threadedly connected to the threaded channel, and the push rod is pushed by the pushing assembly so that the push rod passes through the threaded pipe and the threaded channel and then lifts up the sealing plate. The water can be discharged through the threaded pipe, the drainage shell and the drainage pipe, and the taken out water is discharged into the storage container through the drainage of the drainage pipe. The adjusting rod can be rotated and reversed at any time to reset the push rod, cancel the pushing of the sealing plate, stop drainage, and facilitate the adjustment of the water taken out from the water intake pipe to be discharged into multiple storage containers.

[0017] The present invention provides a spring to support the position of the support frame. After the external force for rotating the adjusting rod stops being applied, the support frame drives the push rod to reset under the push of the spring, cancels the pushing of the blocking plate, and stops drainage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which constitute part of the present invention, are provided to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are provided to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is a first overall structural diagram of a groundwater sampling device according to an embodiment of the present invention;

[0020] Figure 2 This is a structural cross-sectional view of a drainage shell and a threaded tube of a groundwater sampling device according to an embodiment of the present invention;

[0021] Figure 3 for Figure 2 Enlarged view of part A;

[0022] Figure 4 This is a structural cross-sectional view of an upper water intake head of a groundwater sampling device according to an embodiment of the present invention;

[0023] Figure 5 This is a structural cross-sectional view of a lower water head of a groundwater sampling device according to an embodiment of the present invention;

[0024] Figure 6 A diagram showing the state changes of a sealing plate of a groundwater sampling device according to an embodiment of the present invention;

[0025] Figure 7 This is a structural cross-sectional view of a sampling tube of a groundwater sampling device according to an embodiment of the present invention.

[0026] Description of reference numerals:

[0027] 1-sampling tube; 2-lower water intake head; 3-second water outlet; 301-threaded channel; 302-water stop chamber; 4-threaded pipe; 5-drainage shell; 6-drainage pipe; 7-top rod; 8-sealing plate; 9-connecting seat; 10-connecting shaft; 11-limit block; 12-spring; 13-first water outlet; 1301-first vertical port; 1302-first horizontal port; 14-hanging ring; 15-connecting pipe; 1501-docking thread; 16-counterweight; 17-upper water intake head; 18-support frame; 19-adjusting rod; 20-support rail; 21-rack; 22-gear; 23-adjusting handle. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0030] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0031] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0032] like Figures 1 to 7 As shown, in one embodiment, a groundwater sampling device includes a sampling tube 1, the bottom end of the sampling tube 1 is threadedly connected to a lower water intake head 2, the bottom end of the lower water intake head 2 is provided with a second water opening 3, the second water opening 3 includes a threaded channel 301 and a water stop cavity 302, and the bottom surface of the water stop cavity 302 is rotatably connected to a blocking plate 8;

[0033] A threaded tube 4 is connected to the inner thread of the threaded channel 301, and the bottom end of the threaded tube 4 is fixedly connected to a drainage shell 5, and the bottom end of the drainage shell 5 is connected to a drainage tube 6. A push rod 7 is provided inside the drainage shell 5, and a pushing component is provided inside the drainage shell 5. The pushing component is used to push the push rod 7 through the threaded tube 4 to lift the sealing plate 8.

[0034] The pushing assembly includes a support frame 18 and an adjusting rod 19. The support frame 18 is fixedly connected to the surface of the top rod 7. A support rail 20 is slidably connected to the side wall of the support frame 18. The support rail 20 is fixedly connected to the inner wall of the drainage shell 5. A rack 21 is fixedly connected to the surface of the support frame 18. The adjusting rod 19 is rotatably connected to the surface of the drainage shell 5. After the adjusting rod 19 penetrates into the interior of the drainage shell 5, it is fixedly connected to a gear 22. The gear 22 is engaged with the rack 21. The end of the adjusting rod 19 is fixedly connected to an adjusting handle 23.

[0035] Specifically, the maximum degree of flipping of the blocking plate 8 is as follows: Figure 6 As shown, the side wall of the sealing plate 8 is fixedly connected to a connecting shaft 10, and a connecting seat 9 is rotatably connected to the surface of the connecting shaft 10. The connecting seat 9 is fixedly connected to the bottom surface of the water stop chamber 302, and the top of the connecting seat 9 is fixedly connected to a limiting block 11, which limits the flipping angle of the sealing plate 8.

[0036] It should be understood that before taking water, the threaded connection of the threaded pipe 4 from the threaded channel 301 is removed, and then water is taken. During the water taking process, the bottom end of the water intake pipe is inserted into the water. Under the action of water pressure and atmospheric pressure, water will pass through the second water opening 3 and push up the blocking plate 8 before entering the water intake pipe. Then the water intake pipe is lifted, and the water in the water intake pipe will press the blocking plate 8, sealing the top end of the threaded channel 301, thereby achieving water taking.

[0037] After water is taken out, the threaded tube 4 is threadedly connected to the threaded channel 301, and the gear 22 is rotated by the adjusting rod 19. The gear 22 will drive the rack 21, and the rack 21 drives the support frame 18 and the push rod 7 to move. The push rod 7 passes through the threaded tube 4 and the threaded channel 301 and lifts the sealing plate 8. The water can be discharged through the threaded tube 4, the drainage shell 5 and the drainage pipe 6. The taken out water is discharged to the storage container through the drainage of the drainage pipe 6, and the adjusting rod 19 can be rotated reversely at any time to reset the push rod 7, cancel the pushing of the sealing plate 8, stop drainage, and facilitate the adjustment of the water taken out from the water intake pipe to discharge it to multiple storage containers.

[0038] The adjustment handle 23 is provided to facilitate manual operation by staff.

[0039] like Figure 2 and Figure 3 As shown, in one embodiment, a spring 12 is fixedly connected between the top of the support frame 18 and the inner wall of the drainage housing 5. It should be understood that the provision of the spring 12 supports the position of the support frame 18. After the external rotational force on the adjustment rod 19 stops, the support frame 18 drives the push rod 7 to return to its original position under the push of the spring 12, canceling the push of the blocking plate 8 and achieving the cessation of drainage.

[0040] like Figure 1 and Figure 4 As shown, in one embodiment, the top end of the sampling tube 1 is threadedly connected to an upper water intake head 17, a first water opening 13 is formed between the bottom end and the side wall of the upper water intake head 17, and a hanging ring 14 is fixedly connected to the top end of the upper water intake head 17. It should be understood that if something sticks to the lower water intake head 2 at the bottom end of the sampling tube 1, the upper water intake head 17 can be turned downward, and water will be discharged through the first water opening 13 of the upper water intake head 17, achieving a reversed drainage direction and preventing the water in the sampling tube 1 from coming into contact with the sticky objects on the lower water intake head 2 during discharge.

[0041] The hanging ring 14 is provided as a connection point with the traction rope, thereby providing conditions for adjusting the sampling tube 1 to different heights by means of retracting and releasing the traction rope by an external traction device.

[0042] like Figure 4As shown, in one embodiment, the first water inlet 13 includes a first vertical opening 1301 and a first horizontal opening 1302. It should be understood that when the upper water intake head 17 is facing downward, water will pass through the first vertical opening 1301 and then enter the first horizontal opening 1302, and then be discharged through the first horizontal opening 1302 to achieve drainage.

[0043] like Figure 4 As shown, in one embodiment, a connecting pipe 15 is fixedly inserted into the first horizontal opening 1302. The bottom end of the connecting pipe 15 is provided with a docking port that communicates with the first vertical opening 1301. The connecting pipe 15 is provided with a docking thread 1501 near the end. The docking thread 1501 is adapted to the threaded pipe 4. It should be understood that when water needs to be drained through the upper water intake head 17, the threaded pipe 4 is threadedly connected to the docking thread 1501 of the connecting pipe 15 to achieve communication. Water can be discharged through the threaded pipe 4, the drainage shell 5, and the drainage pipe 6. The water is then drained into the storage container through the drainage pipe 6.

[0044] like Figure 5 As shown, in one embodiment, a counterweight 16 is fixedly sleeved on the surface of the lower water intake head 2. By providing the counterweight 16, gravity is added to the sampling tube 1 to achieve sinking into the water.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A groundwater sampling device, comprising a sampling tube (1), characterized in that: The bottom end of the sampling tube (1) is threadedly connected to a lower water intake head (2), and a second water outlet (3) is provided at the bottom end of the lower water intake head (2). The second water outlet (3) includes a threaded channel (301) and a water stop cavity (302), and a sealing plate (8) is rotatably connected to the bottom surface of the water stop cavity (302); The threaded channel (301) is internally threadedly connected to a threaded tube (4), the bottom end of the threaded tube (4) is fixedly connected to a drainage shell (5), the bottom end of the drainage shell (5) is connected to a drainage tube (6), a push rod (7) is provided inside the drainage shell (5), and a pushing assembly is provided inside the drainage shell (5), the pushing assembly is used to push the push rod (7) through the threaded tube (4) to lift the blocking plate (8).

2. A groundwater sampling device according to claim 1, characterized in that: The pushing assembly comprises a support frame (18) and an adjusting rod (19), wherein the support frame (18) is fixedly connected to the surface of the top rod (7), a support rail (20) is slidably connected to the side wall of the support frame (18), the support rail (20) is fixedly connected to the inner wall of the drainage shell (5), a rack (21) is fixedly connected to the surface of the support frame (18), the adjusting rod (19) is rotatably connected to the surface of the drainage shell (5), and the adjusting rod (19) is fixedly connected to the gear (22) after passing through the interior of the drainage shell (5), and the gear (22) is meshed with the rack (21).

3. A groundwater sampling device according to claim 2, characterized in that: A spring (12) is fixedly connected between the top of the support frame (18) and the inner wall of the drainage shell (5).

4. A groundwater sampling device according to claim 1, characterized in that: The top end of the sampling tube (1) is threadedly connected to an upper water intake head (17), a first water opening (13) is passed through between the bottom end and the side wall of the upper water intake head (17), and a hanging ring (14) is fixedly connected to the top end of the upper water intake head (17).

5. A groundwater sampling device according to claim 4, characterized in that: The first water opening (13) comprises a first vertical portion (1301) and a first horizontal portion (1302).

6. A groundwater sampling device according to claim 5, characterized in that: A connecting pipe (15) is fixedly inserted into the first horizontal opening (1302), and a docking port communicating with the first vertical opening (1301) is provided at the inner bottom end of the connecting pipe (15). A docking thread (1501) is provided near the inner end of the connecting pipe (15), and the docking thread (1501) is adapted to the threaded pipe (4).

7. A groundwater sampling device according to claim 3, characterized in that: An adjusting handle (23) is fixedly connected to the end of the adjusting rod (19).

8. A groundwater sampling device according to any one of claims 1 to 7, characterized in that: A counterweight (16) is fixedly sleeved on the surface of the lower water intake head (2).

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