CN211235109U

CN211235109U - Underground water sampling device

Info

Publication number: CN211235109U
Application number: CN201922185306.XU
Authority: CN
Inventors: 杜守营; 王岩; 张玉国; 王闯
Original assignee: Shenyang Pengde Environmental Technology Co ltd
Current assignee: Shenyang Pengde Environmental Technology Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-08-11
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses an underground water sampling device, which comprises a fixed base, a fixed disk, a rolling disk, a containing bottle, a vacuum pump, a sampling pipe and a sampling head, wherein the fixed disk is fixed at the upper end of the fixed base through two fixed brackets, the rolling disk for rolling the sampling pipe is fixed at one side of the fixed disk through a bearing, the sampling pipe comprises a first sampling pipe and a second sampling pipe, the other end of the second sampling pipe is connected with the containing bottle fixed at the upper end of the fixed base, the sampling head comprises a sampling shell, a sampling cover and a sampling valve core, the upper end opening of the sampling shell is connected with the sampling cover, a water inlet with a trapezoidal cross section is arranged at the central position of one end of the sampling shell far away from the sampling cover, a connecting spring is vertically fixed at the central position of the bottom end of the sampling cover, the other end of the connecting spring is connected with the sampling valve, the utility model is suitable for a sample work of various degree of depth, simple structure, convenient to carry.

Description

Underground water sampling device

Technical Field

The utility model relates to a sampling device technical field specifically is an underground water sampling device.

Background

Water is a source of life, people can not be boiled in life and production activities, the quality of the drinking water is closely related to the health of people, along with the development of social economy, scientific progress and improvement of the living standard of people, the requirement of people on the quality of the drinking water is continuously improved, and the standard of the drinking water quality is correspondingly continuously developed and improved. The underground water is used as an important water resource in China and is of great importance to coastal cities, inland cities and big and medium cities in the north. However, with the rapid increase of water demand for industrial and agricultural production and living, the discharge amount of sewage increases year by year, so that the situation of groundwater depletion and pollution in China becomes more severe. Long-term scientific monitoring and chemical analysis of groundwater is therefore an essential issue.

At present, a water pumping device for mainly pumping underground water is used for directly pumping water in a sampling hole for sampling, so that the obtained water sample is a mixed water sample, and the purpose of researching underground water with different depths cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a groundwater sampling device is in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the underground water sampling device comprises a fixed base, a fixed disc, a rolling disc, a containing bottle, a vacuum pump, a sampling pipe and a sampling head, wherein the bottom end of the fixed base is fixedly provided with a travelling wheel, the upper end of the fixed base is fixedly provided with the fixed disc through two fixed supports, one side of the fixed disc is fixedly provided with the rolling disc for rolling the sampling pipe through a bearing, the sampling pipe is provided with a scale mark, the sampling pipe comprises a first sampling pipe and a second sampling pipe, the pipe diameter of the first sampling pipe is larger than that of the second sampling pipe, the second sampling pipe is a PVC steel wire pipe, the second sampling pipe is wound on the rolling disc, one end of the second sampling pipe is connected with the first sampling pipe through a reducing joint, the other end of the second sampling pipe is connected with the containing bottle fixed at the upper end of the fixed base, the first sampling pipe is made of hard material, and the end, far away from the, the sampling head is "badminton" shape, and the sampling head is including sampling casing, sampling lid and sampling case, sampling casing upper end opening is covered with the sampling and is connected, and the sampling casing keeps away from the central point department of putting of sampling lid one end and offers the water inlet that the cross-section is trapezium structure, sampling lid bottom central point department of putting vertical fixation has a coupling spring, and coupling spring's the other end and sampling case are connected, the sampling case is from last to its diameter cone structure that reduces gradually down, and sampling case and water inlet looks adaptation, the position department ring that the sampling lid is located sampling pipe one is equipped with the inlet opening, the vacuum pump is fixed in unable adjustment base upper end and is located the one side that holds the bottle, and the vacuum pump passes through the connecting pipe and holds the bottle and be connected.

Preferably, the sampling shell upper port is in threaded connection with the sampling cover.

Preferably, a filtering net cover is fixed at the bottom end of the sampling shell.

Preferably, the left inner wall and the right inner wall of the upper end of the sampling shell are both horizontally fixed with limiting rods at the same height.

Preferably, the distance between the two limiting rods is greater than the diameter of the circle where the water inlet hole is located, and the distance between the two limiting rods is smaller than the diameter of the upper end face of the sampling valve core.

Preferably, the upper end of holding the bottle is fixed with the rubber buffer, sampling pipe two passes the rubber buffer and extends to the below of holding the bottle inner chamber, the connecting pipe passes and holds the bottle and extend to the top of holding the bottle inner chamber.

Preferably, be provided with on the fixed disk and be used for making rolling dish pivoted handle, and set up the fixed thread through-hole with retaining member looks adaptation on the fixed disk, the fixed disk passes through the retaining member and blocks rolling dish outer wall.

Preferably, the locking member is a bolt.

Compared with the prior art, the beneficial effects of the utility model are that: the sampling head in the utility model comprises a sampling shell, a sampling cover and a sampling valve core, wherein the upper opening of the sampling shell is connected with the sampling cover, a water inlet with a trapezoidal section is arranged at the central position of one end of the sampling shell far away from the sampling cover, a connecting spring is vertically fixed at the central position of the bottom end of the sampling cover, and the other end of the connecting spring is connected with a sampling valve core, the sampling valve core is of a cone frustum structure with the diameter gradually reduced from top to bottom, the sampling valve core is matched with the water inlet, the position of the sampling cover in the first sampling pipe is annularly provided with a water inlet hole, the sampling head descends in underground water, the sampling valve core always blocks the water inlet under the tensioning action of the connecting spring, so that water is prevented from entering the sampling head in the descending process, and the water that leads to gathering has the water of other water levels to get into to the water sample that leads to gathering has the error and influences the accuracy of experimental data.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of a in fig. 1.

In the figure: 1. a fixed base; 2. a traveling wheel; 3. fixing a bracket; 4. fixing the disc; 5. a winding disc; 61. a sampling housing; 62. a sampling cover; 63. sampling the valve core; 7. a first sampling pipe; 8. a reducer union; 9. a receiving bottle; 10. a vacuum pump; 11. a rubber plug; 12. a connecting pipe; 13. a second sampling pipe; 14. a handle; 15. a locking member; 16. a connecting spring; 17. a limiting rod; 18. a water inlet hole; 19. a filter screen cover.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides an embodiment: an underground water sampling device comprises a fixed base 1, a fixed disc 4, a rolling disc 5, a containing bottle 9, a vacuum pump 10, a sampling pipe and a sampling head, wherein the bottom end of the fixed base 1 is fixedly provided with a travelling wheel 2, the upper end of the fixed base 1 is fixedly provided with the fixed disc 4 through two fixed supports 3, one side of the fixed disc 4 is fixedly provided with the rolling disc 5 for rolling the sampling pipe through a bearing, the sampling pipe is provided with scale marks and comprises a first sampling pipe 7 and a second sampling pipe 13, the pipe diameter of the first sampling pipe 7 is larger than that of the second sampling pipe 13, the second sampling pipe 13 is a PVC steel wire pipe, so that the second sampling pipe 13 has better high pressure resistance and corrosion resistance, the service life of the sampling pipe is prolonged, meanwhile, when the second sampling pipe 13 is rolled on the rolling disc 5, the pipe wall of the sampling pipe cannot be crushed, and therefore, in the process of taking water in the later stage, the partial pipeline of the second sampling pipe 13 wound on the rolling disc 5 cannot be affected, so that groundwater can be collected from the first sampling pipe 7 to the bottle 9 through the second sampling pipe 13, and then sampling operation is completed, and the second sampling pipe 13 is wound on the winding disc 5, one end of the second sampling pipe 13 is connected with the first sampling pipe 7 through the reducer union 8, and the other end of the second sampling pipe 13 is connected with the bottle 9 fixed on the upper end of the fixed base 1, the first sampling pipe 7 is made of hard material, the first sampling pipe 7 can be made of galvanized steel pipe, corrosion resistance of the first sampling pipe 7 is improved, and one end of the first sampling pipe 7 far away from the second sampling pipe 13 is fixed with a sampling head which can be made of the same material as the first sampling pipe 7, the sampling head is in a shape of a badminton ball, and comprises a sampling shell 61, a sampling cover 62 and a sampling valve core 63, an opening at the upper end of the sampling shell 61 is connected with the sampling cover 62, and a water inlet with a trapezoidal structure in cross section is arranged at a central position of one end of the sampling shell 61 far away, sampling lid 62 bottom central point puts the department vertical fixation and has connecting spring 16, and connecting spring 16's the other end and sampling case 63 are connected, sampling case 63 is from last to the cone frustum structure that its diameter gradually reduces down, and sampling case 63 and water inlet looks adaptation, the position department that sampling lid 62 is located sampling pipe 7 encircles and is equipped with inlet opening 18, vacuum pump 10 is fixed in unable adjustment base 1 upper end and is located the one side that holds bottle 9, and vacuum pump 10 passes through connecting pipe 12 and holds bottle 9 and be connected.

In this embodiment, the upper port of the sampling shell 61 is screwed with the sampling cover 62, so as to facilitate disassembly for later maintenance of the sampling head.

In this embodiment, sampling casing 61 bottom mounting has filter screen 19, prevents in the sampling process, impurity in aquatic enters into the sampling head through the inlet opening in, and leads to appearing blocking phenomenon in the sampling head.

In this embodiment, the left and right inner walls of the upper end of the sampling housing 61 are located at the same height, and are horizontally fixed with a limiting rod 17 for limiting the sampling valve core 63, so as to prevent the sampling valve core 63 from rising to contact with the inner wall of the sampling cover 62 and blocking the water inlet 18, which results in sampling failure.

In this embodiment, the distance between the two limiting rods 17 is greater than the diameter of the circle where the water inlet 18 is located, and the distance between the two limiting rods 17 is less than the diameter of the upper end surface of the sampling valve core 63, so that when the limiting rods 17 rise to the top end thereof to contact with the two limiting rods 17, the sampling valve core 63 does not contact with the sampling cover 62, so that the sampling valve core 63 blocks the water inlet 18, and sampling failure is caused.

In this embodiment, the upper end that holds bottle 9 is fixed with rubber buffer 11, two sampling tube 13 pass rubber buffer 11 and extend to the below that holds bottle 9 inner chamber, connecting pipe 12 passes and holds bottle 9 and extend to the top that holds bottle 9 inner chamber, and after the cell-phone finishes, can directly extract two sampling tube 13 and connecting pipe 12 from rubber buffer 11, and extract the back, hold the water sample in the bottle 9 and can not receive the pollution.

In this embodiment, be provided with on the fixed disk 4 and be used for making rolling dish 5 pivoted handle 14, and set up the fixed screw thread through-hole with retaining member 15 looks adaptation on the fixed disk 4, fixed disk 4 blocks rolling dish 5 outer wall through retaining member 15. Retaining member 15 is the bolt, and when certain length was put to two 13 sampling pipes on rolling dish 5, died rolling dish 5 through the bolt, prevented rolling dish 5 from continuing to rotate.

The working principle is as follows: when in use, a power supply is switched on (the power supply refers to a power supply arranged on the fixed base 1 and is shown in the figure, since the technology is the prior art, and is not described herein), the whole device is pushed to the side of the sampling hole, then the first sampling tube 7 is vertically inserted into the sampling hole, the locking piece 15 is taken out of the fixed threaded hole, the handle 14 is manually rotated to rotate the winding disc 5 and simultaneously place the second sampling tube 13, after the sampling head is lowered to the required depth, the locking piece 15 is screwed into the fixed threaded through hole and the winding disc 5 is jacked to prevent the winding disc 5 from continuously rotating, in the process that the sampling head is inserted into the required depth, as the sampling head comprises the sampling shell 61, the sampling cover 62 and the sampling valve core 63, a water inlet with a trapezoidal structure in cross section is arranged at the central position of one end of the sampling shell 61 far away from the sampling cover 62, a connecting spring 16 is vertically fixed at the central position of the bottom end of the sampling cover 62, and the other end of the connecting spring 16 is connected with the sampling valve core 63, therefore, in the descending process of the sampling head in the groundwater, the sampling valve core 63 blocks the water inlet all the time under the tensioning action of the connecting spring 16, and prevents water from entering the sampling head in the descending process and causing the collected water to have water of other water levels, thereby causing the collected water sample to have errors and influencing the accuracy of experimental data, when the sampling head reaches a certain depth, the vacuum pump 10 is started to work, under the action of the vacuum pump 10, negative pressure is generated inside the sampling head, under the action of the negative pressure, the sampling valve core 63 overcomes the tensioning force of the connecting spring 16 and rises to be contacted with the limiting rod 17, when the sampling valve core 63 rises to be contacted with the limiting rod 17, the bottom of the sampling valve core is completely separated from the water inlet, namely the water inlet is opened, and the water of the water level enters the sampling head through the water, and enters the sampling tube through the water inlet hole 18 under the action of the vacuum pump 10, and finally is collected in the containing bottle 9.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an underground water sampling device, includes unable adjustment base (1), fixed disk (4), rolling dish (5), holds bottle (9), vacuum pump (10), sampling pipe and sampling head, unable adjustment base (1) bottom mounting has walking wheel (2), and unable adjustment base (1) upper end is fixed with fixed disk (4), its characterized in that through two fixed bolsters (3): one side of fixed disk (4) is fixed with rolling dish (5) that are used for the rolling sampling pipe through the bearing, and is equipped with the scale mark on the sampling pipe, the sampling pipe includes sampling pipe one (7) and sampling pipe two (13), and the pipe diameter of sampling pipe one (7) is greater than the pipe diameter of sampling pipe two (13), sampling pipe two (13) are the PVC steel wire pipe, and sampling pipe two (13) winding on rolling dish (5), the one end of sampling pipe two (13) is passed through reducing joint (8) and is connected with sampling pipe one (7), and the other end of sampling pipe two (13) with fix and hold bottle (9) and be connected in unable adjustment base (1) upper end, sampling pipe one (7) are made for hard material, and the one end that sampling pipe two (13) were kept away from to sampling pipe one (7) is fixed with the sampling head, the sampling head is "badminton" shape, and the sampling head includes sampling casing (61), A sampling cover (62) and a sampling valve core (63), wherein the upper end opening of the sampling shell (61) is connected with the sampling cover (62), and a water inlet with a trapezoidal section is arranged at the central position of one end of the sampling shell (61) far away from the sampling cover (62), a connecting spring (16) is vertically fixed at the center of the bottom end of the sampling cover (62), and the other end of the connecting spring (16) is connected with a sampling valve core (63), the sampling valve core (63) is of a cone frustum structure with the diameter gradually reduced from top to bottom, the sampling valve core (63) is matched with the water inlet, the sampling cover (62) is provided with a water inlet hole (18) at the position in the first sampling pipe (7) in a surrounding way, the vacuum pump (10) is fixed at the upper end of the fixed base (1) and is positioned at one side of the containing bottle (9), and the vacuum pump (10) is connected with the containing bottle (9) through a connecting pipe (12).

2. A groundwater sampling device as claimed in claim 1, wherein: the upper port of the sampling shell (61) is in threaded connection with a sampling cover (62).

3. A groundwater sampling device as claimed in claim 1, wherein: and a filtering net cover (19) is fixed at the bottom end of the sampling shell (61).

4. A groundwater sampling device as claimed in claim 1, wherein: the left inner wall and the right inner wall at the upper end of the sampling shell (61) are both horizontally fixed with limiting rods (17) at the same height.

5. A groundwater sampling device as claimed in claim 4, wherein: the distance between the two limiting rods (17) is larger than the diameter of a circle where the water inlet hole (18) is located, and the distance between the two limiting rods (17) is smaller than the diameter of the upper end face of the sampling valve core (63).

6. A groundwater sampling device as claimed in claim 1, wherein: the upper end of holding bottle (9) is fixed with rubber buffer (11), sampling pipe two (13) pass rubber buffer (11) and extend to the below of holding bottle (9) inner chamber, connecting pipe (12) pass and hold bottle (9) and extend to the top of holding bottle (9) inner chamber.

7. A groundwater sampling device as claimed in claim 1, wherein: be provided with on fixed disk (4) and be used for making rolling dish (5) pivoted handle (14), and set up the fixed screw thread through-hole with retaining member (15) looks adaptation on fixed disk (4), fixed disk (4) are blocked rolling dish (5) outer wall through retaining member (15).

8. An underground water sampling apparatus according to claim 7, wherein: the locking piece (15) is a bolt.