CN211740714U

CN211740714U - Soil solution collector

Info

Publication number: CN211740714U
Application number: CN202020478714.4U
Authority: CN
Inventors: 江厚龙; 汪代斌; 冉茂; 徐宸; 胡丽涛; 杨超; 马啸; 李云平; 秦平伟; 任江波; 李钠钾; 陈益银
Original assignee: CHINA NATIONAL TOBACCO Corp CHONGQING CORPORATION FENGDU BRANCH; Tobacco Science Research Institute Chongqing City Co Of China National Tobacco Corp
Current assignee: CHINA NATIONAL TOBACCO Corp CHONGQING CORPORATION FENGDU BRANCH; Tobacco Science Research Institute Chongqing City Co Of China National Tobacco Corp
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-10-23
Anticipated expiration: 2030-04-03

Abstract

The utility model provides a soil solution collector, which comprises an inner barrel for containing soil solution, wherein soil solution collecting ports are respectively arranged at different height positions on the inner barrel, and a partition plate arranged in the inner barrel inner cavity is adopted to divide the inner barrel inner cavity into a plurality of spaces for containing the soil solution; an outer cylinder is arranged on the inner cylinder, a liquid inlet hole is arranged on the outer cylinder, and after the outer cylinder is tightly sleeved on the inner cylinder, a soil solution collecting port and the liquid inlet hole jointly form a channel for communicating the inner cavity of the inner cylinder with the outside of the outer cylinder. The utility model has the advantages of as follows: the device has the advantages of simple structure, small volume and low cost, and is convenient for sampling soil solutions in different sampling areas; the multi-point sampling and timing sampling can be easily realized under the condition of not damaging the soil layer structure, the sampling depth is adjustable, the operation is simple and convenient, and the universality is good.

Description

Soil solution collector

Technical Field

The utility model relates to a soil solution sampling instrument, concretely relates to soil solution collector.

Background

At present, the methods of pre-burying pipelines, opening pit digging and the like are mainly adopted for collecting soil solutions at different depths and different positions. The embedded leakage pipe has the defects of high replacement difficulty after blockage, incapability of realizing fixed-point and timed sampling and the like; the open type digging sampling has the problems of large engineering quantity, high cost, difficult multi-point sampling realization, damage to soil layers and the like.

In addition, document CN110849663A provides an integration soil and soil solution collection system, including the sampling box, the first slide bar of interior roof fixedly connected with of sampling box, the surface sliding connection of first slide bar has the fly leaf, the bottom fixedly connected with sampling cylinder of fly leaf, the interior roof swing joint of sampling cylinder has the bull stick, the surface fixedly connected with of bull stick promotes the auger, logical groove has been seted up to the bottom of sampling box, the upper portion fixedly connected with soil discharge pipe of sampling cylinder surface, the interior roof fixedly connected with of sampling box collection box. The device structure is more complicated, is not convenient for gather crops soil of growing seedlings and the solution in the crops soil of growing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure just can gather the soil solution collector of different degree of depth soil solution.

In order to achieve the above purpose, the present invention adopts the following technical solution.

A soil solution collector comprises an inner barrel for containing soil solution, wherein soil solution collecting ports are respectively arranged at different height positions on the inner barrel, and a partition plate arranged in the inner cavity of the inner barrel is adopted to divide the inner cavity of the inner barrel into a plurality of spaces for containing the soil solution; an outer cylinder is arranged on the inner cylinder, a liquid inlet hole is arranged on the outer cylinder, and after the outer cylinder is tightly sleeved on the inner cylinder, a soil solution collecting port and the liquid inlet hole jointly form a channel for communicating the inner cavity of the inner cylinder with the outside of the outer cylinder.

Furthermore, an elastic sealing ring is arranged on the outer wall of the inner barrel, is located below the soil solution collecting port and is arranged close to the soil solution collecting port, and is used for preventing soil solution from leaking downwards from a gap between the inner barrel and the outer barrel after the outer barrel is tightly sleeved on the inner barrel. By adopting the structure, the soil solution can be prevented from leaking downwards, and the soil solution can be collected conveniently and rapidly.

Furthermore, an annular groove I used for being matched with the elastic sealing ring is arranged on the inner wall of the outer barrel, and after the outer barrel is tightly sleeved on the inner barrel, the outer edge of the elastic sealing ring abuts against the inside of the annular groove I.

Furthermore, ring grooves II are formed in the positions, at different heights, of the outer wall of the inner barrel, and corresponding soil solution collecting ports are formed in the ring grooves II.

Furthermore, the soil solution collector also comprises a rubber ring which can be matched in the second annular groove, when the rubber ring is sleeved in the second annular groove, the inner cavity of the inner cylinder is separated from the outside of the outer cylinder, and when the rubber ring is removed, the inner cavity of the inner cylinder is communicated with the outside of the outer cylinder. By adopting the structure, the soil solution in a soil layer with a certain depth can be collected in a targeted and selective manner.

Furthermore, the inner cylinder and the outer cylinder respectively adopt a segmented structure which can be spliced according to the length requirement.

Furthermore, the soil solution collecting ports are arranged according to the designed layer height, the soil solution collecting port of each layer is composed of a plurality of holes arranged around the inner cylinder, and the holes of the same layer height are arranged at intervals. By adopting the structure, multi-point acquisition can be realized in the same soil layer.

Furthermore, the inner cylinder and the outer cylinder are respectively provided with slopes, and the inner cylinder and the outer cylinder are both in a shape with a thick upper part and a thin lower part. The structure is convenient for placing, taking and placing the collector.

Furthermore, a liquid taking pipe is arranged at the bottom of the inner cylinder, and a pipe plug is arranged on the liquid taking pipe in a matching way.

Further, a liquid outlet is arranged at the bottom of the outer cylinder.

Furthermore, a sealing cover is arranged on the top of the inner cylinder and/or the top of the outer cylinder.

Owing to adopted above-mentioned technical scheme, the utility model has the advantages of as follows: the device has the advantages of simple structure, small volume and low cost, and is convenient for sampling soil solutions in different sampling areas; the multi-point sampling and the timing sampling can be easily realized under the condition of not damaging the soil layer structure, the sampling depth is adjustable, and the operation is simple and convenient; the method has good universality, is suitable for collecting most soil solutions, and is particularly suitable for collecting solutions in crop seedling culture soil and crop growth soil.

Drawings

FIG. 1 is a schematic sectional view of a soil solution collector in example 1;

FIG. 2 is a schematic view of an outer cylinder of the soil solution collector in example 1;

FIG. 3 is a schematic view of an inner cylinder of a soil solution collector in example 1;

FIG. 4 is a schematic sectional view of a soil solution collector in example 2;

fig. 5 is a schematic sectional view of a soil solution collector in example 3.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the following description of the embodiments is only for the purpose of helping understanding the principle and the core idea of the present invention, and is not intended to limit the scope of the present invention. It should be noted that modifications to the present invention may occur to those skilled in the art without departing from the principles of the present invention and are intended to fall within the scope of the appended claims.

Example 1

Referring to fig. 1, 2 and 3, a soil solution collector comprises an inner barrel 2 for containing soil solution, soil solution collecting ports 24 are respectively arranged at different height positions on the inner barrel 2, and a partition plate 23 arranged in the inner cavity of the inner barrel 2 is used for dividing the inner cavity of the inner barrel 2 into a plurality of spaces 20 for containing soil solution; an outer cylinder 1 is arranged on an inner cylinder 2, a size mark is arranged on the outer wall of the outer cylinder 1 along the axial direction, a liquid inlet hole 12 is arranged on the outer cylinder 1, and after the outer cylinder 1 is tightly sleeved on the inner cylinder 2, a soil solution collecting port 24 and the liquid inlet hole 12 jointly form a channel for communicating the inner cavity of the inner cylinder 2 with the outside of the outer cylinder 1.

Wherein, the outer wall of inner tube 2 is provided with elastic sealing ring 25, and elastic sealing ring 25 is located soil solution and gathers mouthful 24 below and near soil solution and gather mouthful 24 and arrange, and after urceolus 1 cover was tight on inner tube 2, elastic sealing ring 25 was used for preventing soil solution from leaking down from the clearance department between inner tube 2 and urceolus 1.

Wherein, the inner wall of the outer cylinder 1 is provided with a first ring groove 28 for matching with the elastic sealing ring 25, and after the outer cylinder 1 is tightly sleeved on the inner cylinder 2, the outer edge of the elastic sealing ring 25 is tightly propped in the first ring groove 28.

Wherein, the different height position of inner tube 2 outer wall is provided with annular second 29, and corresponding soil solution gathers mouthful 24 and sets up in annular second 29. The soil solution collector also comprises a rubber ring which can be matched in the second annular groove 29, when the rubber ring is sleeved in the second annular groove 29, the inner cavity of the inner cylinder 2 is separated from the outside of the outer cylinder 1, and when the rubber ring is removed, the inner cavity of the inner cylinder 2 is communicated with the outside of the outer cylinder 1.

In a concrete product, the soil solution collecting ports 24 are arranged according to the designed layer height, the soil solution collecting port 24 of each layer is composed of a plurality of holes arranged around the inner cylinder 2, the number of the holes is determined according to the test requirement, and the holes with the same layer height are arranged at intervals.

In the concrete product, the inner cylinder 2 and the outer cylinder 1 are respectively provided with slopes, and the inner cylinder 2 and the outer cylinder 1 are both in the shape of thick upper part and thin lower part.

In the concrete product, a liquid taking pipe 26 is arranged at the bottom of the inner barrel 2, the liquid taking pipe 26 is communicated with a space 20 for containing soil solution, and a pipe plug 27 is arranged at the tail end of the liquid taking pipe 26 in a matching way. After sampling is finished, the inner cylinder 2 is taken out, and the pipe plug 27 is opened, so that the collected soil solution can be discharged.

In the concrete product, a liquid outlet 13 is arranged at the bottom of the outer cylinder 1, so that the soil solution entering the outer cylinder 1 can be conveniently discharged after the inner cylinder 2 is taken away.

In the concrete product, a sealing cover is arranged on the top of the inner cylinder 2 and/or the top of the outer cylinder 1. The outer wall of the top of the outer cylinder 1 is provided with threads 11 for connecting a sealing cover matched with the outer cylinder, the inner wall of the top of the inner cylinder 2 is also provided with threads for connecting a sealing cover 21 matched with the inner cylinder, and the sealing cover 21 is provided with a handle 22.

Example 2

A soil solution collector, referring to example 1 and shown in fig. 4, which is different from example 1 in that: the bottom of the outer cylinder 1 is hemispherical, each space 20 for containing soil solution is respectively connected with a liquid taking pipe 26, and the tail end of each liquid taking pipe 26 is provided with a pipe plug 27.

Example 3

The soil solution collector used in this embodiment is shown in fig. 5, and the main difference from the soil solution collector in embodiment 1 is that: the inner cylinder 2 and the outer cylinder 1 respectively adopt a segmented structure which can be spliced according to the length requirement, and the segments in the middle part are standard segments except for the first segment (the uppermost segment in fig. 5) and the tail segment (the lowermost segment in fig. 5).

The structure in this embodiment is specifically that each segment is provided with a threaded connection portion 30, and during assembly, one or more segments can be assembled as required only through the threaded connection portions 30. The soil solution collector with the structure has the advantages of adjustable length, wider application range and capability of collecting soil solutions in different depths better and more.

The using method comprises the following steps: implanting the outer cylinder 1 of the soil solution collector into a soil solution collecting area; adjusting the implantation depth of the outer cylinder 1 to ensure that the liquid inlet hole 12 on the outer cylinder 1 is just positioned at the acquisition depth; inserting the inner cylinder 2 of the soil solution collector into the outer cylinder 1 until the soil solution collecting port 24 is aligned with the liquid inlet hole 12 on the outer cylinder 1, covering a sealing cover of the soil solution collector, and recording the initial time point of soil solution collection; after the collection time period is finished, opening the sealing cover, and taking out the inner cylinder 2 of the soil solution collector; and opening the pipe plug 27 on the outer cylinder 1, pouring out the soil solution collected in the outer cylinder 1, and performing the next analysis.

If soil solutions at a depth A and a depth B are required to be collected at the same time, the implantation depth of the outer barrel 1 is adjusted to ensure that one layer of liquid inlet hole on the outer barrel 1 is just positioned at the depth A, the other layer of liquid inlet hole on the outer barrel 1 is just positioned at the depth B, and a rubber sealing ring is sleeved on a ring groove II except a ring groove II 29 on the inner barrel 2 corresponding to the depth A and the depth B;

if only the soil solution at the single layer depth needs to be collected, the rubber sealing rings are sleeved on the corresponding ring grooves II at the other layer depths.

The soil solution collector in the embodiment has the following advantages: the device has the advantages of simple structure, small volume and low cost, and is convenient for sampling soil solutions in different sampling areas; the multi-point sampling and the timing sampling can be easily realized under the condition of not damaging the soil layer structure, the sampling depth is adjustable, and the operation is simple and convenient; the method has good universality, is suitable for collecting most soil solutions, and is particularly suitable for collecting solutions in crop seedling culture soil and crop growth soil.

Claims

1. The utility model provides a soil solution collector, includes inner tube (2) that are used for splendid attire soil solution, its characterized in that: soil solution collecting ports (24) are respectively arranged at different height positions on the inner cylinder (2), and the inner cavity of the inner cylinder (2) is divided into a plurality of spaces for containing soil solution by adopting partition plates (23) arranged in the inner cavity of the inner cylinder (2); the inner cylinder (2) is provided with the outer cylinder (1), the outer cylinder (1) is provided with the liquid inlet hole (12), and after the outer cylinder (1) is tightly sleeved on the inner cylinder (2), the soil solution collecting port (24) and the liquid inlet hole (12) jointly form a channel for communicating the inner cavity of the inner cylinder (2) and the outer part of the outer cylinder (1).

2. The soil solution collector of claim 1, wherein: be provided with elastic sealing ring (25) at inner tube (2) outer wall, elastic sealing ring (25) are located soil solution and gather mouthful (24) below and are close to soil solution and gather mouthful (24) and arrange, and after urceolus (1) cover tightly on inner tube (2), elastic sealing ring (25) are used for preventing soil solution from leaking down from the clearance department between inner tube (2) and urceolus (1).

3. The soil solution collector of claim 2, wherein: the inner wall of the outer cylinder (1) is provided with a first annular groove (28) used for being matched with the elastic sealing ring (25), and after the outer cylinder (1) is tightly sleeved on the inner cylinder (2), the outer edge of the elastic sealing ring (25) is tightly abutted in the first annular groove (28).

4. A soil solution collector as claimed in claim 3, wherein: and annular grooves II (29) are arranged at different height positions of the outer wall of the inner cylinder (2), and corresponding soil solution collecting ports (24) are arranged in the annular grooves II (29).

5. The soil solution collector of claim 4, wherein: the soil solution collector also comprises a rubber ring which can be matched in the second annular groove (29), when the rubber ring is sleeved in the second annular groove (29), the inner cavity of the inner cylinder (2) is separated from the outside of the outer cylinder (1), and when the rubber ring is removed, the inner cavity of the inner cylinder (2) is communicated with the outside of the outer cylinder (1).

6. A soil solution collector according to any one of claims 1 to 5 wherein: the soil solution collecting ports (24) are arranged according to the designed layer height, the soil solution collecting port (24) of each layer is composed of a plurality of holes arranged around the inner cylinder (2), and the holes with the same layer height are arranged at intervals.

7. The soil solution collector of claim 6, wherein: the inner cylinder (2) and the outer cylinder (1) respectively adopt a segmented structure which can be spliced according to the length requirement.

8. The soil solution collector of claim 7, wherein: the inner cylinder (2) and the outer cylinder (1) are respectively provided with slopes, and the inner cylinder (2) and the outer cylinder (1) are both in a shape with a thick upper part and a thin lower part.

9. The soil solution collector of claim 8, wherein: a liquid taking pipe (26) is arranged at the bottom of the inner cylinder (2), and a pipe plug (27) is arranged on the liquid taking pipe (26) in a matching way; a liquid outlet (13) is arranged at the bottom of the outer cylinder (1).

10. A soil solution collector as claimed in claim 9, wherein: a sealing cover is arranged on the top of the inner cylinder (2) and/or the top of the outer cylinder (1).