CN211668863U - Sampling device for analyzing and detecting high polymer material - Google Patents

Abstract

The utility model discloses a sampling device that macromolecular material analysis and detection used, including sampler barrel, test tube, pipeline and sample syringe needle, the pipeline is installed perpendicularly on the bottom surface of sampler barrel, and the bottom surface of sampler barrel is just being equipped with a through-hole to pipeline department, and the test tube sets up in the inside of pipeline, and the lower extreme threaded connection of pipeline has the lid, and outside protrusion forms a fixed part on the outer wall of pipeline, is equipped with a screw hole that runs through fixed part and pipeline on the fixed part, and the screw hole sets up in the test tube top, is equipped with the screw on the outer wall of sample syringe needle afterbody, and the afterbody of sample syringe needle inserts in the screw hole to be connected through screw thread and screw hole meshing. The utility model discloses simple structure, the liquid of suction can be along in the direct entering test tube of sample syringe needle, contactless sampler barrel and other positions for sampler barrel and pipeline can reuse, have avoided falling the holistic change of device, have increased the environmental protection effect, and need not to invert this device, do not influence its normal use.

Description

Sampling device for analyzing and detecting high polymer material

Technical Field

The utility model relates to a material detects technical field, concretely relates to sampling device that macromolecular material analysis detected usefulness.

Background

At present, the development of macromolecular material especially macromolecular material solvent is very rapid, various macromolecular solvent kinds constantly increase, it is some safety and health hidden danger problems to follow it, need detect harmful object and principal ingredients in it, and the sampling device development of traditional solvent detection lags behind relatively, it is not simple and convenient enough to use, need carry out the operation that multistep is complicated and just can wait to detect the solvent, it detects in the sample test tube to pack into, and it is disposable goods to detect sampling device mostly, abandon after the use and caused a large amount of wastes, environmental protection not enough.

Patent 201921068592.5 discloses a sampling device that chemistry macromolecular material analytical testing used, including the sampler, the sampler is close to its left inside and has been seted up and places the chamber, the bottom fixed mounting who places the chamber has the sealing plug, place the intracavity and placed the sample test tube to the bottom of sample test tube extends to in the sealing plug, place chamber mouth department threaded connection and have the sample lid, the internal thread hole has been seted up to the bottom of sampler, internal thread hole threaded connection has the sample syringe needle, the interpolation of sealing plug has the sample nozzle stub, the sample nozzle stub communicates with each other with the sample syringe needle, the sampler is close to the inside on its right side and has seted up the piston groove, the interpolation of sealing plug has the sample return bend, the sample return bend communicates with each other with the piston groove. The utility model discloses an above-mentioned isotructure's cooperation has realized making things convenient for during quick direct sampling arrives the sample test tube to but have environmental protection reuse's effect.

However, after the liquid is pumped into the test tube by the scheme, the test tube can be removed only by inverting the sampler and the test tube, once the test tube is inverted, the residual liquid on the sampling needle can flow downwards along the needle easily until the residual liquid is adhered to the outer wall surface of the sampler, and the residual liquid can be thrown outwards easily in the process of rapid overturning, so that the pollution to the external environment is caused.

Disclosure of Invention

The utility model aims to solve the technical problem that a sampling device of macromolecular material analysis and detection usefulness is provided to solve the problem that provides in the above-mentioned background art.

The utility model discloses a realize through following technical scheme: the utility model provides a sampling device that macromolecular material analysis and detection used, including sampler barrel, test tube, pipeline and sample syringe needle, the sampler barrel transversely sets up, the pipeline is installed perpendicularly on the bottom surface of sampler barrel, the pipeline is close to the left side of sampler barrel, the bottom surface of sampler barrel is just being equipped with a through-hole to pipeline department, the test tube sets up in the inside of pipeline, the outer wall of test tube offsets with the internal face of pipeline, the lower extreme threaded connection of pipeline has the lid, place on the internal face of lid the bottom of test tube, outwards the protrusion forms a fixed part on the outer wall of pipeline, be equipped with a screw hole that runs through fixed part and pipeline on the fixed part, the screw hole sets up in the test tube top, be equipped with the screw on the outer wall of sample syringe needle afterbody, the afterbody of sample syringe needle inserts in the.

As the preferred technical scheme, a round hole is formed in the right side face of the sampling cylinder, a pull rod is arranged inside the round hole, one end of the pull rod extends into the sampling cylinder and is provided with a piston, and the other end of the pull rod is arranged outside and is provided with a pull ring.

As the preferred technical scheme, the sampling needle is arranged in an L-shaped structure.

As preferred technical scheme, the open-ended terminal surface slope of test tube sets up, and outside round is high, and the center that is closer to the test tube then is lower.

As preferred technical scheme, the port department that the internal face of pipeline is located the test tube is equipped with an annular groove, and annular groove internally mounted has the rubber circle, and the internal face of rubber circle offsets with the outer wall of test tube opening part.

The utility model has the advantages that: the utility model discloses simple structure, the liquid of suction can be along in the direct entering test tube of sample syringe needle, contactless sampler barrel and other positions for sampler barrel and pipeline can reuse, have avoided falling the holistic change of device, have increased the environmental protection effect, and need not to invert this device, do not influence its normal use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a schematic structural diagram of the utility model after sampling.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for 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 the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in FIG. 1 and FIG. 2, the sampling device for analyzing and detecting polymer material of the present invention comprises a sampling tube 10, a test tube 3, a pipeline 5 and a sampling needle 1, wherein the sampling tube 10 is transversely disposed, the pipeline 5 is vertically mounted on the bottom surface of the sampling tube 10, the pipeline 5 is close to the left side of the sampling tube 10, a through hole 8 is disposed at the position of the bottom surface of the sampling tube 10 opposite to the pipeline 5, the test tube 3 is disposed inside the pipeline 5, the outer wall surface of the test tube 3 abuts against the inner wall surface of the pipeline 5, the lower end of the pipeline 5 is connected with a cover 2 by a thread, the bottom of the test tube 3 is disposed on the inner wall surface of the cover 2, the outer wall surface of the pipeline 5 is outwardly protruded to form a fixing portion 6, the fixing portion 6 is provided with a screw hole penetrating through the fixing portion 6 and the pipeline 5, the screw hole is disposed above the test tube 3, the outer wall, and the sampling needle head is meshed with the screw hole through threads, and is convenient to replace through the sampling needle head connected with the threads.

In this embodiment, a circular hole is formed on the right side surface of the sampling cylinder 10, a pull rod 7 is arranged inside the circular hole, one end of the pull rod 7 extends into the sampling cylinder 10 and is provided with a piston 9, and the other end of the pull rod is arranged outside and is provided with a pull ring 11.

In this embodiment, sampling needle 1 is "L" type structure setting for the sampler barrel can transversely set up, makes in the direct inflow test tube of liquid ability that takes out, does not get into in the sampler barrel.

In this embodiment, 3 open-ended terminal surfaces of test tube slope sets up, and outside round is high, and the center that is close to the test tube more then is lower for can be following the quick entering test tube of inclined plane to the liquid that flows out in the sampling syringe needle, and can reduce the remaining of liquid on the terminal surface through the inclined plane.

In this embodiment, the port department that the internal face of pipeline 5 is located the test tube is equipped with an annular groove, and annular groove internally mounted has rubber circle 4, and the internal face of rubber circle 4 offsets with the outer wall of 3 openings of test tube, has increased the leakproofness, has avoided liquid to flow along the gap between pipeline and the test tube.

During the use, unscrew the lid, and insert the test tube in the pipeline, after the completion, screw up the lid, at this moment, insert the sample syringe needle in the sample liquid, and pull the pull ring to the right, the removal of pull ring has driven pull rod and piston, after the piston moved to the right, the inside negative pressure that can produce of sampling tube, make outside liquid can be along the sample syringe needle get into in the pipeline, because the pipeline sets up perpendicularly, under the effect of gravity, liquid can flow downwards, make in the direct entering test tube of liquid, avoided getting into in pipeline and the sampling tube, wherein, when pulling the piston through the pull ring, the moving speed of piston needs slow little, avoided the negative pressure too big and cause in the suction sampling tube with liquid, after the completion, unscrew the lid and just can take out the test tube, convenient to detect it.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (5)

1. A sampling device for analyzing and detecting high polymer materials is characterized in that: including sampler barrel (10), test tube (3), pipeline (5) and sample syringe needle (1), sampler barrel (10) transversely sets up, pipeline (5) are installed perpendicularly on the bottom surface of sampler barrel (10), pipeline (5) are close to the left side of sampler barrel (10), the bottom surface of sampler barrel (10) is just being equipped with a through-hole (8) to pipeline (5) department, test tube (3) set up in the inside of pipeline (5), the outer wall of test tube (3) offsets with the internal face of pipeline (5), the lower extreme threaded connection of pipeline (5) has lid (2), place on the internal face of lid (2) the bottom of test tube (3), outwards protrusion forms a fixed part (6) on the outer wall of pipeline (5), be equipped with a screw hole that runs through fixed part (6) and pipeline (5) on fixed part (6), the screw hole sets up in test tube (3) top, be equipped with the screw thread on the outer wall of sample syringe needle (1) afterbody, the tail part of the sampling needle (1) is inserted into the screw hole and is engaged and connected with the screw hole through threads.

2. The sampling device for analyzing and detecting a polymer material according to claim 1, wherein: a round hole is formed in the right side face of the sampling cylinder (10), a pull rod (7) is arranged inside the round hole, one end of the pull rod (7) extends into the sampling cylinder (10) and is provided with a piston (9), and the other end of the pull rod is arranged outside and is provided with a pull ring (11).

3. The sampling device for analyzing and detecting a polymer material according to claim 1, wherein: the sampling needle head (1) is arranged in an L-shaped structure.

4. The sampling device for analyzing and detecting a polymer material according to claim 1, wherein: test tube (3) open-ended terminal surface slope sets up, and outside round is high, and the center that is close to the test tube more then is lower.

5. The sampling device for analyzing and detecting a polymer material according to claim 1, wherein: the port department that the internal face of pipeline (5) is located the test tube is equipped with an annular groove, and annular groove internally mounted has rubber circle (4), and the internal face of rubber circle (4) offsets with the outer wall of test tube (3) opening part.

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