CN214844086U - Quantitative soil undisturbed sampler - Google Patents

Abstract

The application provides a quantitative soil undisturbed sample thief, include: a pipe barrel and a movable core; a moving groove is formed in the pipe barrel along the vertical direction, a quantitative groove is formed in one side of the moving groove, and the quantitative groove is vertically communicated with the moving groove; the outer diameter of the movable core is smaller than the inner diameter of the pipe barrel, and the movable core can be placed into the pipe barrel; the lower edge of the movable core is provided with a convex column which extends along the diameter direction of the movable core and can be placed in the moving groove. The sampler provided by the application realizes the collection of soil by the sampler through the up-and-down movement of the movable core in the pipe barrel, and has the characteristics of simple operation, high efficiency and the like.

Description

Quantitative soil undisturbed sampler

Technical Field

The utility model belongs to the technical field of soil environment detects, especially, relate to a quantitative soil undisturbed sample thief.

Background

Soil is a precious natural resource, and the quality of the soil is vital to the realization of grain safety, nutrition and health, adaptation and alleviation of climate change, ecological system stabilization, poverty removal and enrichment, and life safety and sustainable development. Due to the rapid development of modern economy, due to various reasons such as atmospheric settlement, surface overflow, vertical infiltration and the like caused by artificial activities such as mining and utilization of mineral resources, industrial agricultural use and the like, soil in some areas is polluted to different degrees, the soil ecosystem is adversely affected, and meanwhile, human beings are affected through a food chain. With the promulgation and implementation of the action plan for soil pollution control (also called as 'ten items of soil')) and the law for soil pollution control, the investigation of the land block environment is carried out continuously throughout the country.

In the environmental investigation work, the collection of soil volatile organic compounds is a key link, and a standard, convenient and quantitative sampler is used for rapidly collecting the samples into sample bottles, so that the capture rate of the volatile organic compounds in the soil samples is directly influenced, and the result credibility of the whole land environmental investigation work is influenced. The sampler used for collecting the soil volatile organic compound sample at present is a common non-disturbance sampler, a disposable plastic injector and a stainless steel non-disturbance sampler. When a common and stainless steel non-disturbance sampler is used, the handle and the sampler need to be installed in advance, the handle and the sampler need to be detached after the sample is collected, the operation is very complicated, the stay time in the air is too long, and the speed is slow; when the disposable plastic syringe is used, the syringe part at the tail end of the syringe needs to be cut off in advance, the operation is time-consuming and labor-consuming, and the situation of uneven cuts can exist in the cutting process.

Therefore, a quantitative soil undisturbed sampler with simple operation and high efficiency is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a quantitative soil undisturbed sample thief for the technical problem of the operation complicacy and the inefficiency when solving and gathering volatile organic compounds soil sample.

The utility model provides a pair of quantitative soil undisturbed sample thief, include: a pipe barrel and a movable core;

a moving groove is formed in the pipe barrel along the vertical direction, a quantitative groove is formed in one side of the moving groove, and the quantitative groove is vertically communicated with the moving groove;

the outer diameter of the movable core is smaller than the inner diameter of the pipe barrel, the height of the movable core is larger than or equal to that of the pipe barrel, and the movable core can be placed into the pipe barrel;

the lower edge of the movable core is provided with a convex column, the convex column extends along the diameter direction of the movable core, and the convex column can be placed in the moving groove.

Preferably, the outer surface of the barrel near one end is provided with a handle.

Preferably, the movable core is provided with quantitative marks in the vertical direction.

Preferably, the quantitative mark is an adhesive strip or a quantitative scale.

Preferably, the upper top surface of the loose core is provided with a core pushing pad, and the core pushing pad extends to the outside of the loose core.

Preferably, the core pushing pad is made of glass, polypropylene, polyethylene, silicone, PVC, ceramic, stainless steel or rubber.

Preferably, the tube is made of glass, polypropylene, polyethylene, silicone, PVC, ceramic or stainless steel.

Preferably, the material of the active core is glass, polypropylene, polyethylene, silicone resin, PVC, ceramic or stainless steel.

Preferably, the loose core is in the shape of a cylinder, a prism or a cross-cylinder.

Based on the above-mentioned embodiment can see, the utility model provides a quantitative soil undisturbed sample thief, include: a pipe barrel and a movable core; a moving groove is formed in the pipe barrel along the vertical direction, a quantitative groove is formed in one side of the moving groove, and the quantitative groove is vertically communicated with the moving groove; the outer diameter of the movable core is smaller than the inner diameter of the pipe barrel, and the movable core can be placed into the pipe barrel; the lower edge of the movable core is provided with a convex column, the convex column extends along the diameter direction of the movable core, and the convex column can be placed in the moving groove. Placing the movable core into the pipe barrel, aligning the convex column with the moving groove and moving up and down, enabling the convex column to reach the required quantitative groove, fixing the position by rotating the movable core, inserting the sampler into soil to be collected, and rotating the movable pipe barrel to collect and obtain a volatile organic compound soil sample; the sampler with the sample is inserted into the sample storage device, the movable core is rotated to enable the convex column to rotate out of the quantitative groove and enter the moving groove, the movable core is pressed against the core pushing pad, and the sample can enter the storage device; the sampler has the characteristics of simple operation and high efficiency.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a quantitative soil undisturbed sampler provided by an embodiment of the present invention.

The reference numbers illustrate: 1. the device comprises a pipe barrel, 2, a movable core, 3, a moving groove, 4, a quantitative groove, 5, a handle, 6, a core pushing pad, 7, a convex column, 8 and quantitative marks.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the embodiments of the present invention will be clearly and completely described below 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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Fig. 1 is the utility model provides a quantitative soil undisturbed sample thief schematic structure diagram, it is right to combine fig. 1 below the utility model provides a quantitative soil undisturbed sample thief carries out detailed explanation.

As shown in fig. 1, the quantitative soil undisturbed sampler mainly comprises: a tube barrel 1 and a movable core 2.

Specifically, the tube 1 is made of glass, polypropylene, polyethylene, silicone, PVC, ceramic or stainless steel. The interior of the pipe barrel 1 is provided with a moving groove 3 along the vertical direction, one side of the moving groove 3 is provided with a quantitative groove 4, and the quantitative groove 4 is vertically communicated with the moving groove 3.

The material of the movable core 2 is glass, polypropylene, polyethylene, silicone resin, PVC, ceramic or stainless steel; the movable core 2 is in the shape of a cylinder, a prism or a cross column; the outer diameter of the movable core 2 is smaller than the inner diameter of the pipe barrel 1, the height of the movable core 2 is larger than or equal to that of the pipe barrel 1, and the movable core 2 can be placed in the pipe barrel 1; the lower edge of the movable core 2 is provided with a convex column 7, the convex column 7 extends along the diameter direction of the movable core 2, and the convex column 7 can be placed in the moving groove 3.

As a preferred embodiment of the present application, the outer surface of the barrel 1 near one end is provided with a handle 5. The handle 5 can conveniently hold the tube barrel 1 and conveniently insert the tube barrel 1 into soil, and the movable core 2 can push the sample obtained in the tube barrel 1 out of the storage device for convenient force application.

As a preferred embodiment of the present application, the living core 2 is provided with a quantitative mark 8 in the vertical direction, and the quantitative mark 8 is used for reading the volume of the collected soil. The quantitative marking 8 is in this application a sticker or a quantitative scale.

As a preferred embodiment of the present application, the upper top surface of the movable core 2 is provided with a core pushing pad 6, the core pushing pad 6 extends to the outside of the movable core 2, and the core pushing pad 6 can be used for conveniently exerting force when the collected soil is pushed out to the sample storage device. The core pushing pad 6 is made of glass, polypropylene, polyethylene, silicone resin, PVC, ceramic, stainless steel or rubber.

When the quantitative soil undisturbed sampler is used, a pipe barrel 1 with a proper size is selected, a movable core 2 is placed into the pipe barrel 1, a convex column 7 can move up and down by aligning with a moving groove 3, the convex column 7 reaches a required quantitative groove 4, the position is fixed by rotating the movable core 2, the accuracy of the fixed position can be confirmed by a quantitative mark 8, then the sampler is inserted into soil to be collected from the bottom opening of the pipe barrel 1, and a volatile organic matter soil sample can be collected by rotating the movable pipe barrel 1 or a handle 5; the bottom opening of a middle tube 1 of a sampler filled with a sample is inserted into a sample storage device, a movable core 2 is rotated to enable a convex column 7 to rotate out of a quantitative groove 4 and enter a moving groove 3, a handle 5 is grasped, a core pushing pad 6 and the movable core 2 are pressed, and the sample can enter the storage device and wait for use. According to specific requirements, the caliber of the pipe barrel 1, the scale of the quantitative mark 8 and the position of the quantitative groove 4 can be replaced. When the utility model is not used, each part can be disassembled to be placed, and the occupied space is very small.

Since the above embodiments are all described by referring to and combining with other embodiments, the same portions are provided between different embodiments, and the same and similar portions between the various embodiments in this specification may be referred to each other. And will not be described in detail herein.

It should be noted that, unless otherwise specified and limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, mechanically or electrically connected, or may be communicated between two elements, directly or indirectly through an intermediate medium, and specific meanings of the terms may be understood by those skilled in the relevant art according to specific situations. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a circuit structure, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, the presence of an element identified by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or device comprising the element. In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In addition, as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

The above-described embodiments of the present application do not limit the scope of the present application.

Claims (9)

1. A quantitative soil undisturbed sampler, comprising: a pipe barrel (1) and a movable core (2);

a moving groove (3) is formed in the pipe barrel (1) along the vertical direction, a quantitative groove (4) is formed in one side of the moving groove (3), and the quantitative groove (4) is vertically communicated with the moving groove (3);

the outer diameter of the movable core (2) is smaller than the inner diameter of the pipe barrel (1), the height of the movable core (2) is greater than or equal to the height of the pipe barrel (1), and the movable core (2) can be placed into the pipe barrel (1);

the lower edge of the movable core (2) is provided with a convex column (7), the convex column (7) extends along the diameter direction of the movable core (2), and the convex column (7) can be placed in the moving groove (3).

2. The quantitative soil undisturbed sampler as claimed in claim 1 wherein the exterior surface of said barrel (1) adjacent one end is provided with a handle (5).

3. A quantitative soil undisturbed sampler according to claim 1 or 2 wherein said movable core (2) is provided with a quantitative indication (8) in the vertical direction.

4. The quantitative soil undisturbed sampler of claim 3 wherein said quantitative identifier (8) is a stick or quantitative scale.

5. The quantitative soil undisturbed sampler according to claim 1 or 2 wherein the upper top surface of the movable core (2) is provided with a core pushing pad (6), and the core pushing pad (6) extends to the outside of the movable core (2).

6. The quantitative soil undisturbed sampler of claim 5 wherein said push core pad (6) is made of glass, polypropylene, polyethylene, silicone, PVC, ceramic, stainless steel or rubber.

7. The quantitative soil undisturbed sampler according to claim 1 wherein said barrel (1) is made of glass, polypropylene, polyethylene, silicone, PVC, ceramic or stainless steel.

8. The quantitative soil undisturbed sampler as claimed in claim 1 wherein said movable core (2) is made of glass, polypropylene, polyethylene, silicone, PVC, ceramic or stainless steel.

9. Quantitative soil undisturbed sampler according to claim 1 or 8 wherein said movable core (2) is in the shape of a cylinder, prism or cross-cylinder.

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