CN211855927U

CN211855927U - Needle cylinder type non-disturbance soil volatile organic compound sampler

Info

Publication number: CN211855927U
Application number: CN202020375233.0U
Authority: CN
Inventors: 单凤霞
Original assignee: Nanjing Jingming Environmental Technology Service Co ltd
Current assignee: Nanjing Jingming Environmental Technology Service Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-11-03
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a non-disturbance soil volatile organic compounds sample thief of syringe formula, including syringe barrel and cylinder lid, the bottom of syringe barrel is provided with the cutting ring, the cutting ring outside is provided with the cylinder lid, the inboard of syringe barrel is provided with piston rod, the last scale that is provided with of piston rod. Through set up the cutting ring in cylinder pipe bottom, when the sampling, can easily cut into in the great soil of hardness, upside at the cylinder pipe sets up the cylinder shirt rim, help not having supporting handle or when the handle is not enough, can be through pushing away needle cylinder pipe shirt rim, through the internally mounted piston push rod at the cylinder pipe, piston push rod is the cross strengthening rib, syringe mechanical strength has been promoted, through setting up the scale on piston push rod, according to sampler's demand when sampling, through the graduation measurement sampling gram number, the size of syringe lid is higher than laminating in the needle cylinder pipe, accidental injury when preventing the user from taking, it is impaired to prevent the cutting ring when storing the transportation, it is more convenient to use, accomplish the sample effect.

Description

Needle cylinder type non-disturbance soil volatile organic compound sampler

Technical Field

The utility model relates to a soil organic matter sampling device technical field, more specifically say, relate to a non-disturbance soil volatile organic matter sample thief of syringe formula.

Background

When the existing soil is sampled, a shovel or other tools can be used for turning over a soil sample to cause volatile organic compounds to volatilize and escape during sampling, so that a real and accurate sample is difficult to collect. Other samplers on the market sample volatile organic compounds through a self-cutting needle cylinder and a handle with a clamping position. The retaining handle retains the skirt of the syringe in a fixed position, this fixed position on the handle having a rough scale of the weight of the soil, reference: HJ 1019-2019 plot soil and groundwater volatile organic compound sampling technical guide 4.2.1.4, and more accurate and real volatile organic compound samples are obtained through non-disturbance sampling, so that a needle cylinder type non-disturbance soil volatile organic compound sampler is designed.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

When the existing soil is sampled, a shovel or other tools can be used for turning over a soil sample to cause volatile organic compounds to volatilize and escape during sampling, so that a real and accurate sample is difficult to collect. A needle cylinder type non-disturbance soil volatile organic compound sampler is provided.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The needle cylinder type non-disturbance soil volatile organic compound sampler comprises a needle cylinder tube and a needle cylinder cover, wherein a cutting ring is arranged at the bottom of the needle cylinder tube, the needle cylinder cover is arranged on the outer side of the cutting ring, a piston push rod is arranged on the inner side of the needle cylinder tube, and scales are arranged on the piston push rod.

Preferably, a syringe skirt is provided at an upper side of the syringe barrel.

Preferably, the piston push rod is provided with a parting surface, and the scales are arranged on the parting surface of the piston push rod.

In any of the above embodiments, the diameter of the cutting ring is about 10-15 mm, the diameter of the needle bobbin is about 15-20 mm, and the length of the needle bobbin is about 70-100 mm.

In any of the above aspects, preferably, the piston rod is cross-shaped.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

the sampler uses food level PE, PVDF, the material of interference-free influence of FEP etc. to volatile organic compounds, through set up the cutting ring in cylinder pipe bottom, when sampling, can easily cut into in the great soil of hardness, the upside at cylinder pipe sets up the cylinder shirt rim, help not having supporting handle or handle when not enough, can be through pushing away needle cylinder skirt rim, through the internally mounted piston push rod at cylinder pipe, piston push rod is the cross strengthening rib, syringe mechanical strength has been promoted, through set up the scale on piston push rod, according to sampler's demand when sampling, measure about the sampling gram number through scale 311, the size of syringe lid is higher than laminating in the needle cylinder, accidental injury when preventing the user from taking, prevent the cutting ring impaired when storing the transportation, it is more convenient to use, accomplish the sample effect.

Drawings

FIG. 1 is a schematic view of a syringe tube structure of the non-disturbed soil VOC sampler of the present invention;

FIG. 2 is a schematic view of the cutting ring structure of the non-disturbed soil VOC sampler of the present invention;

FIG. 3 is a schematic view of the structure of the piston rod of the non-disturbed soil VOC sampler of the present invention;

fig. 4 is the utility model discloses non-disturbance soil volatile organic compounds sample thief's piston push rod die joint structural schematic.

The reference numbers in the figures illustrate:

10. a needle bobbin tube; 11. a skirt edge of the needle cylinder; 12. cutting with a ring cutter; 20. a syringe cover; 30. a piston push rod; 31. parting surfaces; 311. and (4) calibration.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected," may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements.

Example 1:

referring to fig. 1-4, a syringe type non-disturbed soil volatile organic compound sampler includes a syringe tube 10 and a syringe cover 20, a cutting ring 12 is disposed at the bottom of the syringe tube 10, the syringe cover 20 is disposed at the outer side of the cutting ring 12, a piston push rod 30 is disposed at the inner side of the syringe tube 10, and scales 311 are disposed on the piston push rod 30. The bottom edge of the syringe tube 10 is provided with a cutting ring 12, the cutting ring inclines inwards to 30 degrees, the outer side of the cutting ring 12 is provided with a matched syringe cover 20, a piston push rod 30 is arranged in the syringe tube 10, the piston push rod 30 can move up and down in the syringe tube 10, scales 311 are fixedly arranged on the piston push rod 30, and soil quantity is measured and collected through the scales 311.

In the present embodiment, referring to fig. 1, the upper side of the needle cylinder tube 10 is provided with a cylinder skirt 11. The upper side of the syringe tube 10 is fixedly provided with a syringe skirt 11, and the syringe skirt 11 can be pushed in the using process, so that the sampling without a handle is facilitated.

In the present embodiment, referring to fig. 4, the piston rod 30 is provided with a parting surface 31, and the scale 311 is provided on the parting surface 31 of the piston rod 30. The piston push rod 30 is provided with a parting surface 31, the piston push rod 30 is provided with a scale 311 arranged on the parting surface 31, and the scale 311 is a 5g/10g weight scale 311.

In this embodiment, the diameter of the cutting ring 12 is about 10 to 15mm, the diameter of the needle cylinder 10 is about 15 to 20mm, and the length of the needle cylinder 10 is about 70 to 100 mm. The syringe tube 10 can contain about 10 to 20g of soil.

In the present embodiment, the parting surface 31 has a cross shape. The piston push rod 30 is a cross-shaped strengthening rib parting surface 31.

Example 2:

on the basis of the example 1, the method comprises the following steps of,

the needle cylinder type non-disturbance soil volatile organic compound sampler comprises a needle cylinder tube 10, a piston push rod 30 and a needle cylinder cover 20, and the needle cylinder tube is made of materials which are not influenced by volatile organic compounds, such as food-grade PE or PVDF, PP, FEP, PTFE and the like. When the device is used, the piston push rod is inserted into the needle cylinder tube 10 from the upper end, the needle cylinder cover 20 is sealed from the lower end, the needle cylinder cover 20 is taken down firstly, soil to be sampled is determined, the needle cylinder tube 10 is perpendicular to the ground, the cutting ring 12 is in contact with the ground, the needle cylinder skirt 11 is grasped by a hand and pressed downwards, the piston push rod 30 in the needle cylinder tube 10 is slowly withdrawn, about sampling gram number is measured through the scales 311 according to the requirements of a sampler during sampling, the needle cylinder skirt 11 is lifted by the hand to separate the needle cylinder tube 10 from the ground, and finally the piston push rod 30 is pushed by the hand to push out the soil in the needle cylinder tube 10, so that.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The needle cylinder type non-disturbance soil volatile organic compound sampler comprises a needle cylinder tube (10) and a needle cylinder cover (20), and is characterized in that a cutting ring (12) is arranged at the bottom of the needle cylinder tube (10), the needle cylinder cover (20) is arranged on the outer side of the cutting ring (12), a piston push rod (30) is arranged on the inner side of the needle cylinder tube (10), and scales (311) are arranged on the piston push rod (30).

2. The syringe-type undisturbed soil volatile organic compound sampler of claim 1 further comprising: the upper side of the needle cylinder tube (10) is provided with a needle cylinder skirt (11).

3. The syringe-type undisturbed soil volatile organic compound sampler of claim 1 further comprising: be provided with die joint (31) on piston push rod (30), scale (311) set up on die joint (31) of piston push rod (30).

4. The syringe-type undisturbed soil volatile organic compound sampler of claim 1 further comprising: the diameter of the cutting ring (12) is about 10-15 mm, the diameter of the needle bobbin (10) is about 15-20 mm, and the length of the needle bobbin (10) is about 70-100 mm.

5. The syringe-type undisturbed soil volatile organic compound sampler of claim 1 further comprising: the piston push rod (30) is in a cross shape.