CN218600940U

CN218600940U - Quick convenient groundwater sampling device

Info

Publication number: CN218600940U
Application number: CN202223064814.0U
Authority: CN
Inventors: 石记博; ***; 周道玮
Original assignee: Northeast Institute of Geography and Agroecology of CAS
Current assignee: Northeast Institute of Geography and Agroecology of CAS
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-10
Anticipated expiration: 2032-11-18

Abstract

A rapid and convenient underground water sampling device relates to an underground water collecting device. The underground water sampling device solves the problems that an existing underground water sampling device is complex in structure, inconvenient and inconvenient to sample in the field and low in efficiency. The utility model discloses a push-and-pull switching device's connecting rod's middle part is established at a funnel section of thick bamboo and in the gondola water faucet pipe, and the lower extreme at a funnel section of thick bamboo is established to the gondola water faucet pipe, and the rubber valve is established under the gondola water faucet pipe and between the counter weight chassis. The utility model discloses a structure sets up rationally, simple structure, portable and accomodate, has improved the flexibility and the convenience of open-air sample work, sets up counter weight chassis, gas vent and gondola water faucet pipe inlet opening and does benefit to the advantage that sampling device can be quick sunken in the groundwater, and then has improved the efficiency of sample.

Description

Quick convenient groundwater sampling device

Technical Field

The utility model relates to a groundwater collection system, concretely relates to quick convenient groundwater sampling device.

Background

Ground water (ground water) refers to water existing in the gaps of rocks under the ground, and in a narrow sense, refers to water in a saturated aquifer under the surface of ground water. The groundwater has good water quality, and the water quantity is stable, which is one of important water sources for urban, industrial and agricultural irrigation. However, since the groundwater is salinized or polluted by natural or artificial factors, the groundwater needs to be sampled and detected before the groundwater is used, and thus a groundwater sampling device is required. But most of current groundwater sampling equipment structure is complicated, carries inconveniently, and open-air sample is very inconvenient swift, and in practical application, inconvenient according to the different topography adjust, the problem of sample inefficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve current groundwater collection system structure complicacy, open-air sample is inconvenient, and the problem of inefficiency provides a quick convenient groundwater sampling device, and the technical scheme who solves this problem as follows:

the utility model discloses a quick convenient groundwater sampling device, by push-and-pull switching device, funnel section of thick bamboo and gondola water faucet pipe constitute, the middle part of push-and-pull switching device's connecting rod is established in funnel section of thick bamboo and gondola water faucet intraductal, and the gondola water faucet pipe is established at the lower extreme of funnel section of thick bamboo, and the rubber valve is established under the gondola water faucet pipe and between the counter weight chassis;

the push-pull opening and closing device consists of a connecting rod, a push-pull ring, a fixing nut, a rubber valve and a counterweight chassis, wherein a connecting rod hole is formed in the circle center of the top end of the rubber valve;

the funnel cylinder consists of a cylinder cover, an exhaust port and a support hole, the support hole is arranged at the center of the cylinder cover, and the exhaust port is arranged at two sides of the support hole;

the pipe wall of the shower pipe is provided with a plurality of water inlet holes.

The utility model discloses a quick convenient groundwater sampling device compares beneficial effect who has with prior art: 1. the underground water sampling device has the advantages of reasonable structure arrangement, simple structure, convenience in carrying and storage, convenience in carrying and storing underground water sampling in the field, and improvement of flexibility and convenience in field sampling; 2. set up counter weight chassis, gas vent and gondola water faucet pipe inlet opening and do benefit to sampling device and can be quick sinking in the groundwater, the collocation sample bottle can be accomodate the save to the groundwater sample fast, and then has improved the efficiency of sample. The device is widely applicable to sampling of underground water.

Drawings

Fig. 1 is a schematic overall structure of the present invention, fig. 2 is a schematic structural view of the push-pull opening/closing device in fig. 1, fig. 3 is a schematic structural view of the connecting rod in fig. 2, fig. 4 is a schematic structural view of the push-pull ring in fig. 2, fig. 5 is a schematic structural view of the rubber valve in fig. 2, fig. 6 is a schematic structural view of the device after sampling is completed, and fig. 7 is a schematic structural view of the sampling device placing a water sample in a sample bottle.

Detailed Description

Embodiment 1, with reference to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the embodiment is described as consisting of a push-pull opening and closing device 1, a funnel cylinder 2 and a shower pipe 3, wherein the middle part of a connecting rod 1-1 of the push-pull opening and closing device 1 is arranged in the funnel cylinder 2 and the shower pipe 3, the shower pipe 3 is arranged at the lower end of the funnel cylinder 2, and a rubber valve 1-4 is arranged between the lower part of the shower pipe 3 and a counterweight chassis 1-5;

the push-pull opening and closing device 1 consists of a connecting rod 1-1, a push-pull ring 1-2, a fixing nut 1-3, a rubber valve 1-4 and a counterweight chassis 1-5, wherein a connecting rod hole 1-4-1 is formed in the circle center of the top end of the rubber valve 1-4, a push-pull ring 1-2 is arranged at the upper end of the connecting rod 1-1, the push-pull ring 1-2 is in threaded connection with the connecting rod 1-1, and the rubber valve 1-4 is arranged between the fixing nut 1-3 and the counterweight chassis 1-5;

the funnel barrel 2 consists of a barrel cover 2-1, an exhaust port 2-2 and a support hole 2-3, wherein the support hole 2-3 is arranged at the circle center of the barrel cover 2-1, and the exhaust port 2-2 is arranged at two sides of the support hole 2-3;

the wall of the shower pipe 3 is provided with a plurality of water inlet holes 3-1.

Embodiment 2, the counterweight chassis 1-5 described in the embodiment with reference to fig. 1 and 2 adopts stainless steel discs, and the diameter of the counterweight chassis 1-5 is larger than the outer diameters of the shower pipe 3 and the rubber valves 1-4.

Embodiment 3, the inner diameter of the shower pipe 3 described in the embodiment is larger than the outer diameter of the rubber valves 1-4, so that the shower pipe is closely matched with the rubber valves 1-4, which is described in conjunction with fig. 1 and 2.

Embodiment 4, with reference to fig. 1, 3, and 4, it is described that the push-pull ring 1-2 of this embodiment is a stainless steel ring, a screw hole 1-2-1 is formed at the lower end of the push-pull ring 1-2, and the connecting rod 1-1 and the push-pull ring 1-2 are connected with the screw hole 1-2-1 in the push-pull ring through the upper end thread 1-1-1 of the connecting rod 1-1.

Embodiment 5, the lower thread 1-1-2 of the connecting rod 1-1 described in this embodiment is matched with the fixing nut 1-3, and the rubber valve 1-4 is positioned between the counterweight chassis 1-5 and the fixing nut 1-3, which is described with reference to fig. 1 and 3.

Embodiment 6, the connecting rod 1-1 of the present embodiment is described with reference to fig. 1 and 3, and the connecting rod 1-1 moves up and down along the funnel 2 and the shower pipe 3.

Embodiment 7, the shower head pipe 3 and the funnel 2 according to the present embodiment are described with reference to fig. 1 and 6.

Embodiment 8, the diameter of the fixing nut 1-3 is larger than the diameter of the connecting rod hole 1-4-1 of the rubber valve 1-4 as described in the embodiment with reference to fig. 1, 2 and 5.

Example 9, the connecting rod 1-1 of the present example is described with reference to fig. 1, 2, and 3, and has a length of 25cm and a diameter of 1cm; the counterweight chassis 1-5 is a stainless steel disc with the diameter of 6cm; the diameter of the rubber valve 1-4 is 4.5cm, and the diameter of the connecting rod hole 1-4-1 is 1cm; the diameter of the upper end of the funnel barrel 2 is 20cm, the diameter of the lower end is 5cm, the height is 15cm, and the wall thickness is 0.5cm; the height of the shower pipe 3 is 5cm, the diameter is 5cm, the wall thickness is 0.5cm, and the diameter of a water inlet 3-1 is 0.1cm. The sample bottle 4 is 20cm high, 9cm in diameter, and 0-500 mL of scales are arranged outside the sample bottle.

Installation of the device:

firstly, inserting a connecting rod hole 1-4-1 of a rubber valve 1-4 from the upper end of a connecting rod 1-1 to ensure that the rubber valve 1-4 is positioned on the upper surface of a counterweight chassis 1-5, then positioning by using a fixing nut 1-3, then inserting a shower head pipe 3 and a funnel barrel 2 from the upper end of the connecting rod 1-1, extending the upper end of the connecting rod 1-1 out of a supporting hole 2-3 at the upper end of the funnel barrel 2, then connecting a push-pull ring 1-2 with the upper end of the connecting rod 1-1, and then connecting the push-pull ring 1-2 with a lifting rope to complete the installation of the device.

The device is used for collecting underground water samples:

the method comprises the steps of pushing a pull ring 1-2 downwards to enable a rubber valve 1-4 to be separated from a shower pipe 3, enabling a pulling rope on the pull ring to drop the device to a sampling point, enabling the self weight of a funnel barrel 2 to be insufficient to enable the rubber valve 1-4 to enter the shower pipe 3 in the dropping process (at the moment, the friction force between the rubber valve 1-4 and the shower pipe 3 is larger than the gravity of the funnel barrel 2, and the existence of a balance weight chassis 1-5 enables one end of the shower pipe 3 of the device to be always vertically downward), enabling water to enter the funnel barrel 2 from a water inlet hole 3-1 of the shower pipe 3 when the device is in contact with water, enabling an air outlet 2-2 arranged on a barrel cover 2-1 of the funnel barrel 2 to have the effect of balancing internal and external air pressure, accelerating the process of the device immersing in water, pulling and pushing the pull ring 1-2 by pulling the pull rope after the device is immersed in the water, enabling the water inlet hole 3-1-2 to be in a sealed state when the friction force between the rubber valve 1-4 and the pull ring 3 is smaller than the gravity of water added into the funnel barrel 2, enabling the rubber valve 1-4 to be pushed into the shower pipe 3, enabling the water sample bottle to be separated from the shower pipe 1-4, and enabling the sample collecting bottle to be separated from the sample collecting bottle 1-3.

The above embodiments are merely exemplary and not intended to limit the present invention, and it should be noted that various other changes, modifications, substitutions and variations which are equivalent to those skilled in the art and suggested by the technical solution provided by the present invention should be considered as the protection scope of the present invention.

Claims

1. The utility model provides a quick convenient groundwater sampling device, it comprises push-and-pull switching device, a funnel section of thick bamboo and gondola water faucet pipe, its characterized in that: the middle part of a connecting rod of the push-pull opening and closing device is arranged in the funnel barrel and the shower head pipe, the shower head pipe is arranged at the lower end of the funnel barrel, and the rubber valve is arranged between the right lower part of the shower head pipe and the counterweight chassis;

2. A rapid and convenient groundwater sampling device as claimed in claim 1, wherein: the push-pull ring is a stainless steel circular ring, a screw hole is formed in the lower end of the push-pull ring, and the connecting rod and the push-pull ring are connected with a threaded hole in the push-pull ring through threads at the upper end of the connecting rod.

3. A rapid and convenient groundwater sampling device as claimed in claim 1, wherein: the counterweight chassis adopts a stainless steel disc, and the diameter of the counterweight chassis is larger than the outer diameters of the shower pipe and the rubber valve.

4. A rapid and convenient groundwater sampling device as claimed in claim 1, wherein: the lower thread of the connecting rod is matched with the fixing nut, and the rubber valve is positioned between the counterweight chassis and the fixing nut.

5. A rapid and convenient groundwater sampling device as claimed in claim 1, wherein: the connecting rod moves up and down along the funnel cylinder and the shower head pipe.

6. A rapid and convenient groundwater sampling device as claimed in claim 1, wherein: the diameter of the fixing nut is larger than that of the connecting rod hole of the rubber valve.

7. A rapid and convenient groundwater sampling device as claimed in claim 1, wherein: the connecting rod adopts a solid stainless steel cylinder.

8. A rapid and convenient groundwater sampling device as claimed in claim 1, wherein: the inner diameter of the shower head pipe is larger than the outer diameter of the rubber valve.

9. A rapid and convenient groundwater sampling device as claimed in claim 1, wherein: the shower pipe is fixedly connected with the funnel barrel.