CN218566989U

CN218566989U - Soil solution sampling device

Info

Publication number: CN218566989U
Application number: CN202222279161.1U
Authority: CN
Inventors: 陈键圳
Original assignee: Guangzhou Jianhuan Environmental Protection Technology Co ltd
Current assignee: Guangzhou Jianhuan Environmental Protection Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-03-03
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a soil solution sampling device, including the sampling device casing, the metal filter who is provided with four symmetric distributions is inlayed to the bottom surface of sampling device casing, the centre of sampling device casing is provided with inside filter screen, the top of inside filter screen is provided with the lift ring, the outside surface of lift ring is provided with the draw-in groove of accomodating of four symmetric distributions, the inboard slip of accomodating the draw-in groove is provided with the shutoff piece, the shutoff piece be located the metal filter inboard and with the metal filter contact, the shutoff piece is provided with the shutoff spring with the centre of lift ring, the top of lift ring is provided with the fixed block, the inside of fixed block is provided with elevator motor, elevator motor's tip is provided with lifting gear. The utility model discloses can be quick take a sample to the solution of soil below, guarantee soil and solution and separate when just taking a sample, ensure the purity of sample back solution.

Description

Soil solution sampling device

Technical Field

The utility model relates to a soil solution sampling device technical field specifically is a soil solution sampling device.

Background

The soil solution refers to a liquid phase part in soil, wherein a plurality of inorganic and organic compounds are dissolved, the composition and the properties of the inorganic and organic compounds are frequently changed under the restriction of soil matrix, climate, topography and biology, and in turn, the soil formation, development and plant growth are influenced, and some substances in the soil solution can reduce the surface tension of the solution to different degrees to generate positive adsorption, and some substances can increase the surface tension of the solution to generate negative adsorption.

However, when the existing soil solution sampling device is used, the existing soil solution sampling device is directly inserted into soil to extract a solution sample, so that the solution sample after sampling contains a large amount of soil, and the solution purity is low; thus, the existing requirements are not met, for which we propose a soil solution sampling device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soil solution sampling device to solve the current soil solution sampling device who provides in the above-mentioned background art and extract the solution sample in soil disect insertion when using, lead to the inside a large amount of earth that can contain of solution sample after the sample, lead to the lower scheduling problem of the purity of solution.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a soil solution sampling device, includes the sampling device casing, the metal filter who is provided with four symmetric distributions is inlayed to the bottom surface of sampling device casing, the centre of sampling device casing is provided with inside filter screen, the top of inside filter screen is provided with the lift ring, the outside surface of lift ring is provided with the draw-in groove of accomodating of four symmetric distributions, the inboard slip of accomodating the draw-in groove is provided with the shutoff piece, the shutoff piece is located the inboard of metal filter and contacts with the metal filter, the centre of shutoff piece and lift ring is provided with the shutoff spring, the top of lift ring is provided with the fixed block, the inside of fixed block is provided with elevator motor, elevator motor's tip is provided with lifting gear, one side of lifting gear is provided with rather than the engaged with sleeve gear, the centre of sleeve gear runs through and is provided with the internal thread sleeve pipe, the centre of internal thread sleeve pipe runs through and is provided with the lifting screw, the both ends of lifting screw run through the upper and lower terminal surface and the bottom of fixed block respectively and are connected with the lift ring, the top of sampling device casing is provided with the suction tube, the bottom of suction tube runs through the top of sampling device casing, suction tube is connected with syringe or water pump.

Preferably, the end face of the top end of the lifting screw is provided with a limiting piece, and the limiting piece is fixed on the end face of the lifting screw through a screw.

Preferably, one end of the limiting piece is provided with a guide hole in a penetrating mode, and a guide rod penetrates through the middle of the guide hole.

Preferably, a through connecting hole is formed in the middle of the inner filter screen, and the bottom end of the suction pipe penetrates through the middle of the connecting hole.

Preferably, the part of the suction pipe passing through the middle of the connecting hole and the middle of the inner filter screen are provided with sealing rings, and the sealing rings are made of rubber.

Preferably, the surfaces of the metal filter sheet and the inner filter screen are provided with penetrating filter holes, and the diameter of each filter hole is 1-3 mm.

Preferably, the inner side surface of the blocking block is provided with a positioning hole, and one end of the blocking spring is clamped in the positioning hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can quickly sample the solution below the soil, and the solution is filtered for many times through the metal filter sheet and the internal filter screen positioned in the shell of the sampling device during sampling, thereby ensuring that the soil is separated from the solution, ensuring that the solution contains a very small amount of soil residues or even does not contain the soil residues after sampling, and ensuring the purity of the sampled solution;

2. the inboard at the sampling device casing is provided with the lift ring, and the outside of lift ring is provided with the shutoff piece of four symmetric distributions, and the mutual laminating of shutoff piece and metallic filter piece can guarantee when the sampling device casing inserts earth and gos deep into soil solution, can not have earth to pass from the metallic filter piece and move inside the picture device.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a cross-sectional view of the entire invention;

FIG. 3 is an enlarged view of the structure of FIG. 2;

fig. 4 is an enlarged view of the structure of fig. 2 at B.

In the figure: 1. a sampling device housing; 2. a metal filter sheet; 3. an extraction tube; 4. a plugging block; 5. an inner strainer; 6. a lifting ring; 7. a lifting screw; 8. a fixed block; 9. an internally threaded sleeve; 10. a sleeve gear; 11. a lifting gear; 12. a lifting motor; 13. a storage slot; 14. and (5) plugging the spring.

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.

The lifting motor 12 (model GM12a15 BY) mentioned in the present invention can be obtained from market purchase or private customization.

Referring to fig. 1 to 4, the present invention provides an embodiment: a soil solution sampling device comprises a sampling device shell 1, four symmetrically distributed metal filter sheets 2 are embedded on the outer surface of the bottom end of the sampling device shell 1, an internal filter screen 5 is arranged in the middle of the sampling device shell 1, a lifting ring 6 is arranged above the internal filter screen 5, four symmetrically distributed storage clamping grooves 13 are formed in the outer surface of the lifting ring 6, a plugging block 4 is arranged on the inner side of each storage clamping groove 13 in a sliding mode, the plugging block 4 is located on the inner side of each metal filter sheet 2 and is in contact with the corresponding metal filter sheet 2, a plugging spring 14 is arranged between each plugging block 4 and the corresponding lifting ring 6, a fixing block 8 is arranged above each lifting ring 6, a lifting motor 12 is arranged inside each fixing block 8, a lifting gear 11 is arranged at the end of each lifting motor 12, a sleeve gear 10 meshed with the lifting gear 11 is arranged on one side of each lifting gear 11, an internal thread sleeve 9 is arranged in the middle of each sleeve gear 10 in a penetrating mode, a lifting screw 7 is arranged in the middle of each sleeve 9 in a penetrating mode, two ends of each lifting screw 7 respectively penetrate through the upper end face and the corresponding to be connected with the lifting ring 6, a bottom end suction pipe 3 is arranged above the sampling device shell 1, and a water pump or a water pump is connected with an injector of the sampling device;

insert inside the soil and guarantee that metal filter 2 soaks inside the soil solution with the bottom of sampling device casing 1, switch on elevator motor 12's power and start this moment, elevator motor 12 makes internal thread sleeve pipe 9 synchronous rotation through drive lifting gear 11 and sleeve pipe gear 10 rotation after starting, internal thread sleeve pipe 9 makes lifting screw 7 shift up along internal thread sleeve pipe 9's axis through the screw drive between with lifting screw 7 this moment, lifting screw 7 drives lift ring 6 and removes simultaneously, along with the removal of lift ring 6 can make the upper end of shutoff piece 4 and the extrusion of sampling device casing 1 inner wall, thereby make shutoff piece 4 get into and accomodate draw-in groove 13 inboard and compress shutoff spring 14, at this moment, soil solution can be along metal filter 2 to the inside infiltration of sampling device casing 1 and the inside solution that gets into sampling device casing 1 can get into the below of inside filter screen 5 through the filtration of inside filter screen 5, the syringe or the water pump that connect through suction tube 3 can extract the solution that lies in inside filter screen 5 below this moment, the holistic purity of the multilayer after can guarantee to sample through metal filter 2 and inside filter screen 5.

The centre department of inside filter screen 5 is provided with the connecting hole that runs through, and the bottom of suction tube 3 passes from the centre of connecting hole, and the part that suction tube 3 passed in the middle of the connecting hole is provided with the sealing ring with the centre of inside filter screen 5, and the material of sealing ring is rubber, can guarantee the leakproofness of suction tube 3 and inside filter screen 5 junction, avoids the earth residue to permeate from the junction gap downwards.

The surfaces of the metal filter sheet 2 and the inner filter screen 5 are both provided with penetrating filter holes, and the diameter of each filter hole is 1-3 mm.

The inside surface of shutoff piece 4 is provided with the locating hole, and the one end joint of shutoff spring 14 is at the locating hole, carries out the position support through the tip of locating hole pair shutoff spring 14 for shutoff spring 14 can not drop downwards.

The top end face of the lifting screw 7 is provided with a limiting piece, the limiting piece is fixed on the end face of the lifting screw 7 through a screw, one end of the limiting piece is provided with a guide hole in a penetrating mode, a guide rod is inserted in the middle of the guide hole in a penetrating mode, the bottom end of the limiting piece is fixed with the fixing block 8 through the guide rod, the moving mode of the lifting screw 7 can be limited, and the lifting screw 7 cannot rotate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A soil solution sampling device, includes sampling device casing (1), its characterized in that: the bottom outer surface of the sampling device shell (1) is embedded with four symmetrically distributed metal filter sheets (2), an inner filter screen (5) is arranged in the middle of the sampling device shell (1), a lifting ring (6) is arranged above the inner filter screen (5), the outer side surface of the lifting ring (6) is provided with four symmetrically distributed storage clamping grooves (13), the inner side of each storage clamping groove (13) is provided with a plugging block (4) in a sliding manner, the plugging block (4) is positioned at the inner side of the metal filter sheets (2) and is in contact with the metal filter sheets (2), a plugging spring (14) is arranged between the plugging block (4) and the lifting ring (6), a fixed block (8) is arranged above the lifting ring (6), a lifting motor (12) is arranged inside the fixed block (8), the end part of the lifting motor (12) is provided with a lifting gear (11), one side of the lifting gear (11) is provided with a sleeve gear (10) meshed with the lifting gear (11), an internal thread sleeve (9) is arranged in the middle of the sleeve gear (10), a lifting screw (7) penetrates through the middle of the internal thread sleeve (9), and two lifting screw rods (7) are respectively connected with the lifting screw (6) at the upper end surface and the lower end surface of the lifting screw rod (8), the top of sampling device casing (1) is provided with suction tube (3), the top of sampling device casing (1) is run through to the bottom of suction tube (3), suction tube (3) be connected with syringe or water pump.

2. A soil solution sampling device according to claim 1 wherein: the end face of the top end of the lifting screw (7) is provided with a limiting piece, and the limiting piece is fixed on the end face of the lifting screw (7) through a screw.

3. A soil solution sampling device as claimed in claim 2 wherein: one end of the limiting piece is provided with a guide hole in a penetrating mode, and a guide rod is inserted in the middle of the guide hole in a penetrating mode.

4. A soil solution sampling device as claimed in claim 1 wherein: the middle of the inner filter screen (5) is provided with a through connecting hole, and the bottom end of the suction pipe (3) penetrates through the middle of the connecting hole.

5. A soil solution sampling device according to claim 4 wherein: the suction pipe (3) is provided with a sealing ring in the middle of the part penetrating through the middle of the connecting hole and the inner filter screen (5), and the sealing ring is made of rubber.

6. A soil solution sampling device according to claim 1 wherein: the surface of the metal filter sheet (2) and the surface of the internal filter screen (5) are both provided with penetrating filter holes, and the diameter size of each filter hole is 1-3 mm.

7. A soil solution sampling device as claimed in claim 1 wherein: the inner side surface of the plugging block (4) is provided with a positioning hole, and one end of the plugging spring (14) is clamped in the positioning hole.