CN212621633U

CN212621633U - Underground water sampling device

Info

Publication number: CN212621633U
Application number: CN202021254658.2U
Authority: CN
Inventors: 张国灿; 王昕�; 张国栋
Original assignee: Yunnan Jinlan Environmental Protection Technology Co ltd
Current assignee: Yunnan Jinlan Environmental Protection Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-26
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses an underground water sampling device in the technical field of underground water sampling, which comprises a sampling rod and a sampling groove, wherein a sampling hole is arranged in the middle of the sampling rod, a conical head is fixedly assembled at the bottom end of the sampling rod, a threaded edge is arranged on the surface of the conical head, a supporting plate is fixedly connected at the top end of the sampling rod, a nut is fixedly connected at the top end of the supporting plate, the nut is sleeved at the bottom end of a threaded rod, a handle is fixedly welded at the top end of the threaded rod, a pressing plate and a connecting rod are sleeved on the threaded rod, the top end of the connecting rod is fixedly welded on the lower surface of the pressing plate, a threaded through hole is arranged between the pressing plate and the connecting rod, the threaded rod passes through the threaded through hole and is screwed on the nut, the bottom end surface of the threaded rod is, the water valve arranged on the sample discharge pipe is labor-saving, convenient to clean, simple to disassemble and convenient to carry.

Description

Underground water sampling device

Technical Field

The utility model relates to a groundwater sample technical field specifically is a groundwater sampling device.

Background

Hydrogeology is the law of the quantity and the quality of research groundwater along with spatial variation to and rational utilization groundwater or prevent and treat its harm, the groundwater is buried, is distributed and the motion inequality under the different environment, and the groundwater water level long-term dynamic monitoring of time measuring in hydrogeology reconnaissance needs to carry out the sample processing to groundwater through sampling device in order to know the groundwater condition comprehensively accurate, thereby the subsequent research of hydrogeology of being convenient for is handled. However, the existing underground water sampling device can only perform sampling treatment on underground water with a single depth generally when the underground water sampling treatment is performed, when the underground water sampling depth is required to be changed, the sampling device needs to be replaced again to perform repeated sampling treatment, so that the workload of sampling operators is increased, meanwhile, the water flow after sampling is lack of sealing protection measures, the leakage or the spilling condition of the sampled water flow is easy to occur when the sampled water flow moves upwards, and the sampling accuracy of the sampling device is reduced.

Comparison document CN210442146U discloses a groundwater depthkeeping sampling device for hydrogeological survey, make it drive the thief rod through rotating the lifter and carry out oscilaltion regulation, thereby change the sample height of thief hatch on the thief rod, realize the sample effect to the groundwater of the different degree of depth, thief hatch and the sample groove of position height about adopting in addition, make the groundwater that the thief hatch flowed in can store at the sample groove, prevent that sampling device from taking place the phenomenon of sample rivers leakage when shifting up, and under the sealed protection of water stop strip is met in water proof membrane and water inflation, can play comprehensive perfect sealed guard action to the thief hatch, the condition of breaking down with the consumer contact has also been avoided taking a sample rivers, very big improvement sampling device's safety in utilization. However, the sample taken by the utility model is poured out from the sample port, the foreign matters remained at the sample port can flow down along with the sample, which is not beneficial to ensuring the accuracy of the sample, and only one sample port is used for water inlet and outlet, which is inconvenient for cleaning; the lifting rod and the sleeve are labor-consuming to adjust the sampling depth; and the whole is inconvenient to disassemble and carry. To this end, we propose a groundwater sampling device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an underground water sampling device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an underground water sampling device comprises a sampling rod, a conical head, a supporting plate, a screw cap, a threaded rod, a handle and a pressing plate, wherein a sampling hole is formed in the middle of the sampling rod, the conical head is fixedly assembled at the bottom end of the sampling rod, a threaded ridge is arranged on the surface of the conical head, the supporting plate is fixedly connected at the top end of the sampling rod, the screw cap is fixedly connected at the bottom end of the threaded rod, the handle is fixedly welded at the top end of the threaded rod, the pressing plate and a connecting rod are sleeved on the threaded rod, the top end of the connecting rod is fixedly welded on the lower surface of the pressing plate, a threaded through hole is formed in the middle of the pressing plate and the connecting rod, the threaded rod passes through the threaded through hole and is screwed on the screw cap, the bottom end surface of the threaded rod is attached to the top end of the sampling rod, a, the side opening end of sample groove is relative with the thief hole, be provided with the baffle in the middle of sample groove and the thief hole, sample tank bottom end fixed is equipped with the drainage pipe, the last water valve that has that sets up of drainage pipe.

Preferably, the inside battery that is provided with of thief rod, the battery passes through the wire and is connected with servo motor, servo motor passes through the coupling and is connected with the ring gear transmission.

Preferably, baffle sliding connection is on the inside thief rod inner wall of thief hole, the baffle inner wall is provided with the rack, the rack is connected with the ring gear meshing, it has the water proof membrane to paste on the outer arc face of baffle, the arc end outer wall both sides of water proof membrane all are provided with the water-swelling sealing rod of meeting water, the cross section of water-swelling sealing rod is semicircle smooth structure.

Preferably, the sampling groove is fixedly arranged at the bottom of the inner cavity of the sampling rod, the bottom end of the sampling tube extends out of the bottom end of the sampling rod, and the sampling tube does not influence the assembly of the conical head.

Preferably, the conical head is in threaded connection with the bottom end of the sampling rod, and the conical head is provided with a threaded ridge.

Preferably, the backup pad is three, three group backup pad evenly distributed is on the sample rod top, three groups the backup pad is all fixed weld on the surface of nut, the nut is parallel with the sample rod top.

Preferably, four groups of triangular ribs are uniformly arranged on the lower surface of the pressing plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has reasonable structure design, and is convenient for sampling samples by arranging the sampling pipe and the water valve at the bottom of the sampling groove, thereby ensuring that the samples are not polluted and damaged, and in addition, the sewage for cleaning the sampling hole and the sampling groove can be discharged through the sampling pipe, which is more convenient; the threaded ridges are arranged on the conical head, so that labor is saved when the threaded rod is rotated to reduce the depth of the sampling rod; by arranging the threaded rod and the threaded through hole, the threaded rod is labor-saving to rotate; the nut and the pin are arranged, so that the threaded rod and the sampling rod can be conveniently mounted and dismounted, and the screw rod is convenient to carry; set up near the thief rod bottom through the thief hole, be convenient for get darker sample, still be convenient for take out the sample from the sample groove. The utility model discloses through above design optimization, not only can be to the water sample of the different degree of depth, still more laborsaving, the washing of being convenient for dismantles simply portable.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic sectional view of the sampling rod of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the press plate and the connecting rod assembly of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of the sampling rod of the present invention;

fig. 5 is a schematic view of the baffle of the present invention.

In the figure: 1. a sampling rod; 2. a sampling hole; 3. a conical head; 301. thread edges; 4. a support plate; 5. a nut; 6. a threaded rod; 7. a handle; 8. pressing a plate; 801. a triangular rib; 9. a connecting rod; 10. a threaded through hole; 11. a pin; 12. a grid; 13. a baffle plate; 131. a rack; 132. a water-resistant film; 133. a water-swelling sealing strip when meeting water; 14. a sampling groove; 15. a sample discharge pipe; 16. a water valve; 17. a servo motor; 18. a toothed ring; 19. and (4) a storage battery.

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, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a technical solution: an underground water sampling device comprises a sampling rod 1, a conical head 3, a supporting plate 4, a screw cap 5, a threaded rod 6, a handle 7 and a pressing plate 8, wherein a sampling hole 2 is formed in the middle of the sampling rod 1, the conical head 3 is fixedly assembled at the bottom end of the sampling rod 1, a threaded ridge 301 is formed in the surface of the conical head 3, the labor is saved in rotation, the supporting plate 4 is fixedly connected to the top end of the sampling rod 1, the screw cap 5 is fixedly connected to the top end of the supporting plate 4, the screw cap 5 is sleeved at the bottom end of the threaded rod 6, the handle 7 is fixedly welded at the top end of the threaded rod 6, the pressing plate 8 and a connecting rod 9 are sleeved on the threaded rod 6, the top end of the connecting rod 9 is fixedly welded on the lower surface of the pressing plate 8, a threaded through hole 10 is formed in the middle of the pressing plate 8 and the connecting rod 9, the threaded rod 6, sampling hole 2 internal fixation is provided with grid 12, grid 12 can play the effect that the protection blockked to the great foreign matter in the groundwater or biology, prevent that sampling hole 2 from taking place the phenomenon of jam, 1 internal fixation of thief rod is equipped with sample groove 14, the side open end of sample groove 14 is relative with sampling hole 2, be provided with baffle 13 in the middle of sample groove 14 and

sampling hole

2, 14 bottom fixation of sample groove is equipped with sample discharge pipe 15, the last water valve 16 that has that sets up of sample discharge pipe 15, the sample of being convenient for, guarantee the sample accuracy.

A storage battery 19 is arranged in the sampling rod 1, the storage battery 19 is connected with a servo motor 17 through a lead, and the servo motor 17 is in transmission connection with a toothed ring 18 through a coupling;

baffle 13 is connected on the inner wall of sampling rod 1 at the inner side of sampling hole 2 in a sliding manner, the inner wall of baffle 13 is provided with a rack 131, rack 131 is meshed with a toothed ring 18 for connection, a waterproof membrane 132 is pasted on the outer arc surface of baffle 13, water-swelling water stop strips (133) are arranged on both sides of the outer wall of the arc end of waterproof membrane 132, the cross section of water-swelling water stop strips (133) is of a semicircular smooth structure, waterproof membrane 132 can play a role in sealing and filling the gap at the joint of baffle 13 and sampling hole 2, and when groundwater enters the gap between baffle 13 and sampling hole 2, groundwater can contact with water-swelling water stop strips 133 to make water-swelling water stop strips 133 swell and deform, so as to play a further sealing effect on the position of sampling hole 2, and avoid the situation that groundwater enters into sampling rod 1 to damage power-consuming components;

the sampling groove 14 is fixedly arranged at the bottom of the inner cavity of the sampling rod 1, the bottom end of the sampling tube 15 extends out of the bottom end of the sampling rod 1, the sampling tube 15 does not influence the assembly of the conical head 3, and the conical head 3 can be conveniently taken out to take a sample in the sampling groove 14;

the conical head 3 is in threaded connection with the bottom end of the sampling rod 1, the conical head is provided with a threaded ridge 301, and the threaded ridge 301 can save labor when the sampling rod 1 is rotated downwards to adjust the depth;

the number of the support plates 4 is three, the three support plates 4 are uniformly distributed at the top end of the sampling rod 1, the three support plates 4 are fixedly welded on the outer surface of the screw cap 5, and the screw cap 5 is parallel to the top end of the sampling rod 1;

four groups of triangular convex edges 801 are uniformly arranged on the lower surface of the pressure plate 8 to press the ground, so that the pressure plate is antiskid, the sampling rod 1 is ensured to be vertical to the ground, and the sampling depth can be accurately reached;

the working principle is as follows: before use, the threaded rod 6 penetrates through the threaded through hole 10 on the pressing plate 8 and the connecting rod 9, then the threaded rod 6 is screwed on the screw cap 5, the bottom end of the threaded rod 6 penetrates through the screw cap 5 to be propped against the top end of the sampling rod 1, and the pin 11 is inserted on the threaded rod 6 to prevent the threaded rod 6 from backing up; starting the servo motor 17, closing the baffle 13, closing the water valve 16 and installing the conical head 3; then, the handle 7 is held by a hand, the conical head 3 and the sampling rod 1 are inserted into positions to be sampled, the pressing plate 8 is pressed on the ground, the triangular ridges 801 on the pressing plate 8 prevent the pressing plate 8 from rotating, the pressing plate 8 is stepped by feet, the handle 7 is held by two hands to rotate, the threaded rod 6 is driven by the handle to rotate, the sampling rod 1 is driven by the threaded rod 6 to rotate to adjust the sampling depth, the sampling device is labor-saving and convenient, and the threaded ridges 301 on the conical head 3 enable the rotation to be more labor-saving; the sampling depth is adjusted, the servo motor 17 is controlled to start through the wireless control equipment, at the moment, the servo motor 17 can drive the gear ring 18 to rotate, the gear ring 18 drives the rack 131 to rotate, the rack 131 drives the baffle 13 to rotate, so that the sampling hole 2 is opened, the underground water flows into the sampling groove 14 through the sampling hole 2 to be stored, and after sampling is finished, the servo motor 17 is started reversely to drive the baffle 13 to rotate to close the sampling hole 2; finally, the device is pulled out, the conical head 3 is screwed off, the water valve 16 is opened, and the sample water is taken away from the sample discharge pipe 15; when the cleaning tool is not used or carried, the cleaning tool can be disassembled, the pin 11 is pulled off, and the threaded rod 6 is screwed off. The device is simplified, is convenient to install, disassemble and carry, and is simple and labor-saving to operate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an underground water sampling device, includes thief rod (1), conical head (3), backup pad (4), nut (5), threaded rod (6), handle (7) and clamp plate (8), its characterized in that: the sampling device is characterized in that a sampling hole (2) is formed in the middle of the sampling rod (1), a conical head (3) is fixedly assembled at the bottom end of the sampling rod (1), a threaded ridge (301) is formed in the surface of the conical head (3), a supporting plate (4) is fixedly connected to the top end of the sampling rod (1), a nut (5) is fixedly connected to the top end of the supporting plate (4), the nut (5) is sleeved at the bottom end of a threaded rod (6), a handle (7) is fixedly welded at the top end of the threaded rod (6), a pressing plate (8) and a connecting rod (9) are sleeved on the threaded rod (6), the top end of the connecting rod (9) is fixedly welded on the lower surface of the pressing plate (8), a threaded through hole (10) is formed in the middle of the pressing plate (8) and the connecting rod (9), the threaded rod (6) penetrates through the threaded through hole (10) to be in threaded connection, the bottom of threaded rod (6) sets up has round pin (11), thief hole (2) internal fixation is provided with grid (12), thief rod (1) internal fixation is equipped with sampling groove (14), the side open end of sampling groove (14) is relative with thief hole (2), be provided with baffle (13) in the middle of sampling groove (14) and thief hole (2), sampling groove (14) bottom fixation is equipped with sampling pipe (15), the last water valve (16) that has that sets up of sampling pipe (15).

2. A groundwater sampling device as claimed in claim 1, wherein: the sampling rod (1) is internally provided with a storage battery (19), the storage battery (19) is connected with a servo motor (17) through a wire, and the servo motor (17) is in transmission connection with a toothed ring (18) through a coupling.

3. A groundwater sampling device as claimed in claim 1, wherein: baffle (13) sliding connection is on thief rod (1) inner wall of thief hole (2) inboard, baffle (13) inner wall is provided with rack (131), rack (131) are connected with ring gear (18) meshing, it has water proof membrane (132) to paste on the outer arc face of baffle (13), the arc end outer wall both sides of water proof membrane (132) all are provided with water-swelling sealing rod (133), the cross section of water-swelling sealing rod (133) is semicircle smooth structure.

4. A groundwater sampling device as claimed in claim 1, wherein: the sampling groove (14) is fixedly arranged at the bottom of an inner cavity of the sampling rod (1), the bottom end of the sampling tube (15) extends out of the bottom end of the sampling rod (1), and the sampling tube (15) does not influence the assembly of the conical head (3).

5. A groundwater sampling device as claimed in claim 1, wherein: the conical head (3) is in threaded connection with the bottom end of the sampling rod (1), and a threaded ridge (301) is arranged on the conical head.

6. A groundwater sampling device as claimed in claim 1, wherein: backup pad (4) are three, three group backup pad (4) evenly distributed is on sample rod (1) top, three groups equal fixed welding in backup pad (4) is on the surface of nut (5), nut (5) are parallel with sample rod (1) top.

7. A groundwater sampling device as claimed in claim 1, wherein: four groups of triangular convex ridges (801) are uniformly arranged on the lower surface of the pressing plate (8).