Underground water sampling device

Abstract

The utility model relates to the technical field of underground water sampling, in particular to an underground water sampling device, which comprises at least three groups of sampling mechanisms, each sampling mechanism comprises a left side shell and a right side shell, the left side shell and the right side shell both adopt hemispherical design, a protective shell is arranged at the center of the left side shell, and the protective shell is arranged in the center of the right side shell. The sampling device comprises a left side shell and a right side shell which are separable, the left side shell and the right side shell are separated from each other during sampling, so that the left side shell and the right side shell are separated from each other during sampling, and the left side shell and the right side shell are separated from each other during sampling. The algae in the underground water can enter the left side shell and the right side shell, so that the situation that the algae in the underground water cannot be sampled due to the fact that a water inlet of sampling equipment is too small is avoided, and the comprehensiveness of samples and the accuracy of detection results are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground water sampling technology field, concretely is an underground water sampling device. BACKGROUND

[0002] In order to determine and analyze the physical, chemical and biological characteristics of groundwater, timely find the pollutant and pollution source, provide scientific basis for pollution prevention and control, need to sample detection to groundwater.

[0003] In prior art, such as patent application number " CN202120585511.X " the sampling device for groundwater monitoring is proposed, the sampling device includes the sampling pipe, the bottom of sampling pipe is equipped with the sampling cavity, the sampling pipe is located at the sampling cavity and is equipped with the water inlet, and the sampling device for groundwater monitoring can improve the detection result of water quality.

[0004] But the sampling device in the above patent application, its water inlet part adopts the hole structure, and the size of the obtained sample is greatly limited, when sampling underground water, the algae in underground water cannot enter the inside of the sampling device, which affects the comprehensiveness of the obtained sample and the accuracy of the detection result. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an underground water sampling device to solve the problems in the above background.

[0006] The utility model can be realized by the following technical scheme.

[0007] An underground water sampling device, comprising at least three groups of sampling mechanisms, the sampling mechanism comprises a left side shell and a right side shell, the left side shell and the right side shell are designed in a hemispherical shape, a protective shell is arranged at the center of the left side shell, a bidirectional electric telescopic rod is installed inside the protective shell, the two ends of the bidirectional electric telescopic rod respectively penetrate through the two ends of the protective shell and extend to the outside of the protective shell, and the two ends of the bidirectional electric telescopic rod are fixedly connected with the left side shell and the right side shell respectively.

[0008] Preferably, the left side shell and the right side shell are fixedly connected with a matching outer ring and a matching inner ring on the side close to each other, a rubber sealing ring is fixedly connected to the inner wall of the matching outer ring, and the rubber sealing ring is matched with the matching inner ring.

[0009] Preferably, the two ends of the protective shell are fixedly connected with a rubber sealing sleeve, a tension spring is sleeved on the part of the bidirectional electric telescopic rod outside the protective shell, and one end of the tension spring is fixedly connected with the protective shell.

[0010] Preferably, the protective shell is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a connecting part with a circular hole, the matching outer ring and the matching inner ring are both provided with an arc-shaped groove for cooperating with the connecting rod, and the inner wall of the arc-shaped groove is fixedly connected with an arc-shaped sealing gasket.

[0011] Preferably, one end of the connecting part is provided with a center ring, the outer surface of the center ring is fixedly connected with at least three fixed lugs, a through hole is formed in the center of the fixed lug, and a connecting rope is arranged between the fixed lug and the connecting part.

[0012] Preferably, the two sides of the center ring are respectively provided with a fixed bolt and a fixed nut, one end of the fixed bolt penetrates through the center ring and is threadedly connected with the fixed nut.

[0013] Preferably, one end of the fixed bolt is fixedly connected with a lifting winding rope, the lifting winding rope is used for being connected with an external lifting device to drive the center ring to move up and down.

[0014] The beneficial effects of the present application are as follows:

[0015] The sampling device is designed as a separable left side shell and a right side shell, the left side shell and the right side shell are separated from each other during sampling, so that algae in underground water can enter the inside of the left side shell and the right side shell, the water inlet of the sampling device is prevented from being too small and unable to sample algae in underground water, and the comprehensiveness of the sample and the accuracy of the detection result are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows, and obviously, other drawings can also be obtained by those skilled in the art without creative labor on the premise of not paying creative labor;

[0017] Figure 1 is a schematic diagram of the overall structure of the present application;

[0018] Figure 2 is an enlarged view of position A in the present application Figure 1 .

[0019] Figure 3 is a connection schematic diagram of the left side shell and the right side shell in the present application Figure 1 .

[0020] Figure 4 is a sectional view of the left side shell in the present application Figure 3 .

[0021] The reference signs in the drawings are as follows:

[0022] 1, left side shell; 101, matching outer ring; 2, right side shell; 201, matching inner ring; 3, protective shell; 301, rubber sealing sleeve; 4, two-way electric telescopic rod; 5, rubber sealing ring; 6, tension spring; 7, connecting rod; 701, connecting part; 8, arc-shaped sealing gasket; 9, center ring; 10, fixing lug; 11, connecting rope; 12, fixing bolt; 13, fixing nut; 14, hoisting winding rope. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] As Figure 1 , Figure 3 and Figure 4 , a groundwater sampling device comprises at least three groups of sampling mechanisms, the sampling mechanisms comprise a left side shell 1 and a right side shell 2, the left side shell 1 and the right side shell 2 are both designed in a hemispherical shape, and the side close to each other is a cavity, so that the left side shell 1 and the right side shell 2 can be spliced together, a protective shell 3 is arranged at the center of the left side shell 1, a two-way electric telescopic rod 4 is installed inside the protective shell 3, the two-way electric telescopic rod 4 is an electric telescopic rod that can be controlled by a wireless signal in the prior art, has a built-in power supply, and is convenient for sampling personnel to control the extension and retraction of the two-way electric telescopic rod 4 according to needs, the two ends of the two-way electric telescopic rod 4 respectively penetrate through the two ends of the protective shell 3 and extend to the outside of the protective shell 3, and the two ends of the two-way electric telescopic rod 4 are respectively fixedly connected with the left side shell 1 and the right side shell 2;

[0025] As Figure 1 , Figure 3 and Figure 4 , the side close to each other of the left side shell 1 and the right side shell 2 is respectively fixedly connected with a matching outer ring 101 and a matching inner ring 201, the outer surface of the matching inner ring 201 and the inner surface of the matching outer ring 101 are consistent in radius, so that when the left side shell 1 and the right side shell 2 are close to each other, the matching outer ring 101 can be attached to the outer surface of the matching inner ring 201, and the left side shell 1 and the right side shell 2 are closed;

[0026] As Figure 1 , Figure 3 and Figure 4The inner wall of the matching outer ring 101 is fixedly connected with a rubber sealing ring 5, the rubber sealing ring 5 is matched with the matching inner ring 201, so that when the left side shell 1 and the right side shell 2 are close to each other, the one end of the matching inner ring 201 can abut against the rubber sealing ring 5, and the sealing property between the left side shell 1 and the right side shell 2 is improved.

[0027] As Figure 1 , Figure 3 and Figure 4 , both ends of the protective shell 3 are fixedly connected with rubber sealing sleeves 301, both ends of the two-way electric telescopic rod 4 pass through the rubber sealing sleeves 301, the waterproof capability can be improved, the two-way electric telescopic rod 4 is sleeved with a tension spring 6 on the part outside the protective shell 3, one end of the tension spring 6 is fixedly connected with the protective shell 3, and the two tension springs 6 are connected with the left side shell 1 and the right side shell 2 respectively, and the tension springs 6 apply tension to the left side shell 1 and the right side shell 2 in the direction of approaching each other.

[0028] As Figure 1 and Figure 2 , the connecting rod 7 is fixedly connected with the protective shell 3, one end of the connecting rod 7 is fixedly connected with a connecting part 701 provided with a circular hole, arc-shaped grooves matched with the connecting rod 7 are formed in the matching outer ring 101 and the matching inner ring 201, and arc-shaped sealing gaskets 8 are fixedly connected with the inner walls of the arc-shaped grooves, when the left side shell 1 and the right side shell 2 are close to each other, the surface of the connecting rod 7 is relatively clamped into the arc-shaped inner recess, and the sealing property between the surface of the connecting rod 7 and the left side shell 1 and the right side shell 2 is improved by the arc-shaped sealing gaskets 8.

[0029] As Figure 1 and Figure 2 , one end of the connecting part 701 is provided with a center ring 9, the center ring 9 is not directly connected with the connecting part 701, at least three fixed lugs 10 are fixedly connected with the outer surface of the center ring 9, the number of the fixed lugs 10 is consistent with the number of the sampling mechanisms, a through hole is formed in the center of the fixed lug 10, and a connecting binding rope 11 is arranged between the fixed lug 10 and the connecting part 701, the connecting binding rope 11 can pass through the fixed lug 10 and the connecting part 701, and the fixed lug 10 and the connecting part 701 are bound together, so that the connection between the center ring 9 and the sampling mechanisms is realized.

[0030] As Figure 1 and Figure 2 , the two sides of the center ring 9 are respectively provided with a fixed bolt 12 and a fixed nut 13, one end of the fixed bolt 12 passes through the center ring 9 and is threadedly connected with the fixed nut 13, the center ring 9 is provided with an opening for the fixed nut 13 to pass through, and the radius of the opening of the center ring 9 is consistent with that of the circular hole on the connecting part 701, so that the fixed bolt 12 and the fixed nut 13 can be fixed to the connecting part 701, and the single sampling mechanism is driven to move.

[0031] As Figure 1 And Figure 2 One end of the fixed bolt 12 is fixedly connected with a lifting winding rope 14, the lifting winding rope 14 is used for being connected with external lifting equipment, the external lifting equipment drives the center ring 9 and the sampling mechanism to move up and down by winding or releasing the lifting winding rope 14.

[0032] The working principle of the underground water sampling device is as follows:

[0033] When the external equipment releases the lifting winding rope 14, drives the center ring 9 and the sampling mechanism to enter the corresponding sampling position in the underground water, the bidirectional electric telescopic rod 4 can be controlled to stretch, so that the left side shell 1 and the right side shell 2 are separated, at this time, the underground water and algae in the water can enter between the left side shell 1 and the right side shell 2;

[0034] Then the bidirectional electric telescopic rod 4 is controlled to contract, drives the left side shell 1 and the right side shell 2 to approach each other, the water and the algae are enclosed between the left side shell 1 and the right side shell 2, the arc-shaped sealing gasket 8 is attached to the two sides of the connecting rod 7, the outer ring 101 and the matching inner ring 201 are attached together, and the left side shell 1 and the right side shell 2 form a seal;

[0035] Finally, the external equipment winds the lifting winding rope 14, drives the center ring 9 to rise, after the center ring 9 drives the connecting part 701 to rise through the connecting binding rope 11, the left side shell 1 and the right side shell 2 are separated, and the sampled underground water and algae in the water are recovered and detected.

[0036] Compared with the related art, the underground water sampling device has the following beneficial effects:

[0037] The sampling device is designed as the separable left side shell 1 and the right side shell 2, when sampling, the left side shell 1 and the right side shell 2 are separated from each other, so that when sampling, the algae in the underground water can enter the inside of the left side shell 1 and the right side shell 2, the water inlet of the sampling equipment is prevented from being too small, the algae in the underground water cannot be sampled, and the comprehensiveness of the sample and the accuracy of the detection result are ensured.

[0038] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, the above examples and the description in the specification are only to illustrate the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A groundwater sampling device comprising at least three sets of sampling mechanisms, characterized in that, The sampling mechanism comprises a left shell (1) and a right shell (2), the left shell (1) and the right shell (2) are both designed in a hemispherical shape, a protective shell (3) is arranged at the center of the left shell (1), a two-way electric telescopic rod (4) is mounted in the protective shell (3), both ends of the two-way electric telescopic rod (4) penetrate through both ends of the protective shell (3) and extend to the outside of the protective shell (3), and both ends of the two-way electric telescopic rod (4) are fixedly connected with the left shell (1) and the right shell (2) respectively; The left shell (1) and the right shell (2) are fixedly connected with a matched outer ring (101) and a matched inner ring (201) on the side close to each other, the inner wall of the matched outer ring (101) is fixedly connected with a rubber sealing ring (5), and the rubber sealing ring (5) is matched with the matched inner ring (201).

2. A groundwater sampling device according to claim 1, wherein, Both ends of the protective shell (3) are fixedly connected with rubber sealing sleeves (301), a tension spring (6) is sleeved on the part of the two-way electric telescopic rod (4) outside the protective shell (3), and one end of the tension spring (6) is fixedly connected with the protective shell (3).

3. A groundwater sampling device according to claim 2, wherein, The protective shell (3) is fixedly connected with a connecting rod (7), one end of the connecting rod (7) is fixedly connected with a connecting part (701) with a circular hole, arc-shaped grooves for cooperating with the connecting rod (7) are arranged on the matched outer ring (101) and the matched inner ring (201), and arc-shaped sealing pads (8) are fixedly connected to the inner walls of the arc-shaped grooves.

4. A groundwater sampling device according to claim 3, wherein, One end of the connecting part (701) is provided with a center ring (9), at least three fixed lugs (10) are fixedly connected to the outer surface of the center ring (9), a through hole is arranged at the center of each fixed lug (10), and a connecting rope (11) is arranged between each fixed lug (10) and the connecting part (701).

5. A groundwater sampling device according to claim 4, wherein, Fixed bolts (12) and fixed nuts (13) are arranged on both sides of the center ring (9), one end of each fixed bolt (12) penetrates through the center ring (9) and is threadedly connected with a fixed nut (13).

6. A groundwater sampling device according to claim 5, wherein, One end of each fixed bolt (12) is fixedly connected with a lifting winding rope (14), the lifting winding rope (14) is used for being connected with an external lifting device to drive the center ring (9) to move up and down.

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