Soil stratified water sample collection device

Abstract

The utility model discloses a soil layering water sample collecting device which comprises an inserting pipe, a negative pressure pipe is fixedly installed in the inserting pipe, a plurality of first pistons are connected in the negative pressure pipe in a sliding mode, the first pistons are jointly provided with a push rod, the push rod extends outwards, the outer side of the inserting pipe is connected with a sliding plate in a sliding mode, and the sliding plate is provided with a plurality of second pistons. The outer side of the first piston is communicated with a plurality of storage pipes, one end of each storage pipe is fixedly provided with a filter plate, each storage pipe is internally and slidably connected with a second piston, and the outer side of the insertion pipe is provided with an auxiliary fixing mechanism. Meanwhile, water samples of soil at different heights can be collected at a time, so that the efficiency is improved, and the original state of the soil is not influenced.

Description

Technical Field

[0001] The utility model relates to the field of soil stratification water sample collection, in particular to a soil stratification water sample collection device. Background Art

[0002] The purpose of soil stratification collection is to more accurately understand the characteristics and changes of soil at different depths. Because the physical, chemical and biological properties of different soil layers may be different, stratified collection can provide more comprehensive and detailed data, which will help to conduct in-depth research on soil functions and processes.

[0003] Existing soil stratification collection generally collects water samples by repeatedly inserting the collector into the soil at different depths. However, the soil structure will be damaged to a certain extent during the collection process, affecting the original state of the soil. The collection process is relatively cumbersome, difficult to operate, and relatively inefficient. Utility Model Content

[0004] The utility model aims to solve the problems in the background technology and proposes a soil layer water sample collection device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A soil stratification water sample collection device comprises a cannula, a negative pressure tube is fixedly installed in the cannula, a plurality of first pistons are slidably connected in the negative pressure tube, a push rod is commonly installed on the plurality of first pistons, and the push rod extends outward, a slide plate is slidably connected to the outside of the cannula, a plurality of storage tubes are connected to the outside of the first piston, a filter plate is fixedly installed at one end of each of the storage tubes, a second piston is slidably connected in each of the storage tubes, and an auxiliary fixing mechanism is provided on the outside of the cannula.

[0007] Preferably, a slide groove is provided on the outer side of the insert tube, and the slide plate is slidably connected in the slide groove, and each storage tube is in the slide groove.

[0008] Preferably, a baffle is fixedly installed in each storage tube, and a circular through groove is opened in each baffle, and the diameter length of the circular through groove is smaller than the diameter length of the second piston.

[0009] Preferably, the auxiliary fixing mechanism comprises a fixing seat, and the fixing seat is fixedly mounted on the outside of the cannula, and a plurality of telescopic rods are symmetrically mounted on the bottom surface of the fixing seat.

[0010] Preferably, the telescopic rod comprises a telescopic seat and a sliding rod, and the telescopic seat is fixedly mounted on the bottom surface of the telescopic rod, and the sliding rod is slidably connected in the telescopic seat, and a spring is installed between the bottom wall of the telescopic seat and the top surface of the sliding rod.

[0011] Preferably, a handle is fixedly mounted on the top of the slide plate, and a conical plug is fixedly mounted on the bottom surface of each telescopic rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model realizes hiding the storage tube in the slide groove by arranging the slide plate, the slide groove, the handle and the like. Meanwhile, the slide plate protects the storage tube and reduces the damage to the filter plate during the insertion process.

[0014] 2. The utility model realizes the negative pressure effect by pulling the push rod and pushes the second piston in each storage tube to slide, thereby collecting water samples from soil at different heights, collecting water samples from soil at different heights at one time, thereby increasing efficiency and not affecting the original state of the soil.

[0015] In summary, the utility model is easy to operate when in use, can reduce damage to the filter plate during the insertion process, and can collect water samples from soils at different heights at one time, thereby increasing efficiency without affecting the original state of the soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a soil layered water sample collection device proposed by the utility model;

[0017] Figure 2 This is a schematic cross-sectional view of a soil layered water sample collection device proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of a storage tube of a soil layered water sample collection device proposed by the utility model;

[0019] Figure 4 The utility model provides a schematic cross-sectional structure diagram of a telescopic rod of a soil layered water sample collection device.

[0020] In the figure: 1 is a cannula, 2 is a fixing seat, 3 is a telescopic rod, 4 is a slide groove, 5 is a slide plate, 6 is a handle, 7 is a push rod, 8 is a conical plug, 9 is a first piston, 10 is a storage tube, 11 is a second piston, 12 is a baffle, 13 is a filter plate, 14 is a spring, 15 is a telescopic seat, 16 is a slide rod, and 17 is a negative pressure tube. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-3A soil layered water sample collection device comprises a cannula 1, a negative pressure tube 17 is fixedly installed in the cannula 1, a plurality of first pistons 9 are slidably connected in the negative pressure tube 17, a push rod 7 is installed together with the plurality of first pistons 9, and the push rod 7 extends outward, and the push rod 7 is pushed to slide up and down in the negative pressure tube 17, thereby pulling the plurality of first pistons 9, thereby achieving a negative pressure effect. It is worth noting that the initial position height of the first piston 9 is higher than the height of the storage tube 10 at the lowest end of the cannula 1;

[0023] A slide plate 5 is slidably connected to the outside of the cannula 1, and a handle 6 is fixedly installed on the top of the slide plate 5. A slide groove 4 is opened on the outside of the cannula 1, and the slide plate 5 is slidably connected in the slide groove 4, and each storage tube 10 is in the slide groove 4. The handle 6 is used to facilitate the lifting of the slide plate 5. At the same time, the slide plate 5 protects the storage tube 10, which can reduce the damage of the filter plate 13 during the insertion process;

[0024] The outside of the first piston 9 is connected to a plurality of storage tubes 10, one end of each storage tube 10 is fixedly mounted with a filter plate 13, each storage tube 10 is slidably connected with a second piston 11, each storage tube 10 is fixedly mounted with a baffle 12, each baffle 12 is provided with a circular through groove, the diameter of the circular through groove is smaller than the diameter of the second piston 11, the filter plate 13 is used to filter impurities outside the cannula 1, and the baffle 12 is used to prevent the second piston 11 from falling into the negative pressure tube 17;

[0025] An auxiliary fixing mechanism is provided on the outside of the cannula 1, and the auxiliary fixing mechanism includes a fixing seat 2, and the fixing seat 2 is fixedly installed on the outside of the cannula 1. A plurality of telescopic rods 3 are symmetrically installed on the bottom surface of the fixing seat 2, and the telescopic rod 3 includes a telescopic seat 15 and a slide bar 16, and the telescopic seat 15 is fixedly installed on the bottom surface of the telescopic rod 3, and the slide bar 16 is slidably connected in the telescopic seat 15, and a spring 14 is commonly installed between the bottom wall of the telescopic seat 15 and the top surface of the slide bar 16, and a conical plug 8 is fixedly installed on the bottom surface of each telescopic rod 3, and the spring 14 facilitates the automatic resetting of the telescopic rod 3, and the conical plug 8 facilitates direct insertion into the soil, and the cannula 1 is fixed by a plurality of telescopic rods 3, so that it is convenient to vertically insert it into the soil, reduce the deviation and instability factors during the insertion of the cannula 1, and make the collection process smoother.

[0026] When the utility model is used, firstly, a plurality of telescopic rods 3 are fixedly installed on the bottom surface of the fixing seat 2, and then the conical plug 8 fixedly installed on the bottom surface of each telescopic rod 3 is inserted into the soil to fix the device, so that the device is perpendicular to the bottom surface, thereby reducing the deviation and instability factors during the insertion of the cannula 1, making the collection process smoother;

[0027] Then, the insert tube 1 is inserted into the soil until the insert tube 1 is submerged in the soil, and then the slide plate 5 is slid upwards through the handle 6 to expose the storage tube 10 in the soil, and then the push rod 7 is pulled to drive the multiple first pistons 9 to slide upwards to achieve a negative pressure effect. During the pulling process, the second pistons 11 at the corresponding positions are driven to slide inwards, and then the water samples in the soil at different heights are extracted through the multiple second pistons 11, and the impurities in the soil are filtered through the filter plate 13 fixedly installed at one end of each storage tube 10;

[0028] When the push rod 7 is pulled to the highest position, the collection of water samples at different soil heights is completed, and then the device can be pulled out to complete the collection.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A soil layer water sampling device, comprising a cannula (1), characterized in that: A negative pressure tube (17) is fixedly installed in the cannula (1), and a plurality of first pistons (9) are slidably connected in the negative pressure tube (17). A push rod (7) is commonly installed on the plurality of first pistons (9), and the push rod (7) extends outwardly. A slide plate (5) is slidably connected to the outside of the cannula (1). A plurality of storage tubes (10) are connected to the outside of the first piston (9), and a filter plate (13) is fixedly installed at one end of each storage tube (10). A second piston (11) is slidably connected in each storage tube (10). An auxiliary fixing mechanism is provided on the outside of the cannula (1).

2. A soil layer water sample collection device according to claim 1, characterized in that: A slide groove (4) is provided on the outside of the insertion tube (1), and a slide plate (5) is slidably connected in the slide groove (4), and each storage tube (10) is located in the slide groove (4).

3. A soil layer water sample collection device according to claim 2, characterized in that: A baffle (12) is fixedly installed in each storage tube (10), and a circular through groove is formed in each baffle (12), wherein the diameter of the circular through groove is smaller than the diameter of the second piston (11).

4. A soil layer water sample collection device according to claim 3, characterized in that: The auxiliary fixing mechanism comprises a fixing seat (2), and the fixing seat (2) is fixedly mounted on the outside of the cannula (1), and a plurality of telescopic rods (3) are symmetrically mounted on the bottom surface of the fixing seat (2).

5. A soil layer water sample collection device according to claim 4, characterized in that: The telescopic rod (3) comprises a telescopic seat (15) and a sliding rod (16), wherein the telescopic seat (15) is fixedly mounted on the bottom surface of the telescopic rod (3), and the sliding rod (16) is slidably connected in the telescopic seat (15), and a spring (14) is installed between the bottom wall of the telescopic seat (15) and the top surface of the sliding rod (16).

6. A soil layer water sample collection device according to claim 5, characterized in that: A handle (6) is fixedly mounted on the top of the slide plate (5), and a conical plug (8) is fixedly mounted on the bottom surface of each telescopic rod (3).

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