CN212748447U

CN212748447U - Active carbon sampling pipe

Info

Publication number: CN212748447U
Application number: CN202022075913.3U
Authority: CN
Inventors: 赵霞; 赵昌祥
Original assignee: Nantong Jinnan Glassware Factory
Current assignee: Nantong Jinnan Glassware Factory
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-03-19
Anticipated expiration: 2030-09-21

Abstract

The utility model provides an active carbon sampling pipe, press filter screen and active carbon including unable adjustment base, sampling pipe, the rubber sleeve ring, rubber buffer, intake pipe, outlet duct, support filter screen, lid, sampling pipe lower extreme head is inserted and is established inside unable adjustment base, the rubber sleeve ring cover is established at the sampling pipe upside, the inside stopper of sampling pipe upper end mouth has the rubber buffer, the intake pipe runs through the rubber buffer and extends to inside the sampling pipe from the rubber stopper up end in the middle of, the outlet duct runs through the sampling pipe right-hand member face, the sampling intraduct is inside to be provided with to support filter screen and lid and to press the filter screen, support the filter screen and press the filter screen downside at the lid, it has active carbon to support filter screen and between the filter screen to cover to press the filter screen packing, compared: simple structure, convenient to use connects and has solved an active carbon sampling tube and easily receive the external force damaged, influences the problem that detects.

Description

Active carbon sampling pipe

Technical Field

The utility model relates to an active carbon sampling pipe belongs to environmental detection technical field.

Background

The active carbon sampling pipe is the sampling instrument that environment and occupational health monitoring trade were used commonly, compares with the sampling of glass absorption bottle, and active carbon sampling pipe has that on-the-spot sampling convenient to carry, sample convenient, absorptive capacity is strong, data accuracy height and advantage such as with low costs. It can collect benzene series, butadiene, methyl iodide, methane, pyridine, trichloroethane, cyclohexane and other organic matters. According to different desorption modes, the method is divided into a solvent desorption type, namely a carbon disulfide desorption type and a thermal desorption type.

The method comprises the steps of firstly sampling toxic substances in the environment according to the evaluation of the environment, using an atmospheric sampling device during ordinary sampling, concentrating the toxic substances in the air into an active carbon sampling pipe through a certain amount of gas flow, and then transferring, detecting and making a detection report on the toxic substances in the active carbon sampling pipe.

Present standard active carbon sampling pipe receives external force damaged when the transportation easily, and the influence detects, the utility model provides an active carbon sampling pipe, its simple structure, convenient to use has connect and has solved an active carbon sampling pipe and easily receive the external force damaged, influences the problem that detects.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an active carbon sampling pipe through increasing unable adjustment base, sampling pipe, the rubber sleeve ring, rubber buffer, intake pipe, outlet duct, support filter screen, lid pressure filter screen and active carbon to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an active carbon sampling pipe, includes unable adjustment base, sampling pipe, the rubber sleeve ring, rubber buffer, intake pipe, outlet duct, support filter screen, lid and press filter screen and active carbon, the tip is inserted inside unable adjustment base under the sampling pipe, the rubber sleeve ring cover is established at the sampling pipe upside, the inside stopper of sampling pipe upper end mouth has the rubber buffer, the intake pipe runs through the rubber buffer and extends to the sampling intraduct in the middle of the rubber plug up end, the outlet duct runs through the sampling pipe right-hand member face, the inside support filter screen and the lid of being provided with of sampling pipe press the filter screen, support the filter screen and cover between and press the filter screen and fill there is active carbon.

Further, the support filter screen is located the outlet duct upside, the lid is pressed the filter screen and is located air inlet lower port downside.

Further, unable adjustment base includes bottom plate and fixed slot, welded fastening in the middle of terminal surface and the bottom plate up end under the fixed slot, port internal diameter is the same with the sampling pipe external diameter on the fixed slot, the fixed slot is made for rubber materials, the height of fixed slot is not less than one fifth of sampling pipe height, the external diameter of bottom plate is the twice of fixed slot.

Further, the outer diameter of the rubber lantern ring is larger than that of the fixing groove.

Further, the lower part of the rubber plug is arranged to be a cone, and the outer diameter of the upper part of the rubber plug is larger than the inner diameter of the sampling tube.

Furthermore, a sealing gasket is arranged between the air outlet pipe and the penetrating port of the sampling pipe.

The utility model has the advantages that: the utility model discloses an active carbon sampling pipe, its simple structure, convenient to use connects and has solved an active carbon sampling pipe and easily receive the external force damaged, influences the problem that detects, in the in-service use, more is fit for being applied to environmental detection technical field.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic front view of an activated carbon sampling tube according to the present invention;

fig. 2 is a schematic front sectional view of an activated carbon sampling tube according to the present invention;

in the figure: 1-fixed base, 2-sampling tube, 3-rubber lantern ring, 4-rubber plug, 5-air inlet tube, 6-air outlet tube, 7-cover pressing filter screen, 8-active carbon, 9-supporting filter screen, 11-bottom plate, 12-fixed groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the present invention provides a technical solution: 8 sampling pipes of active carbon 2, including unable adjustment base 1, sampling pipe 2, rubber sleeve ring 3, rubber buffer 4, intake pipe 5, outlet duct 6, support filter screen 9, cover and press filter screen 7 and

active carbon

8, 2 lower terminals of sampling pipe insert and establish in unable adjustment base 1 inside, 3 covers of rubber sleeve ring are established at 2 upsides of sampling pipe, 2 upper end mouth inside stoppers of sampling pipe have rubber buffer 4, intake pipe 5 runs through rubber buffer 4 and extends to sampling pipe 2 inside from the middle of rubber buffer 4 up end, outlet duct 6 runs through 2 right-hand member faces of sampling pipe, 2 inside support filter screen 9 and the cover of being provided with of sampling pipe press filter screen 7, support filter screen 9 and pressing filter screen 7 downside covering, support filter screen 9 and between cover and press filter screen 7 to fill and have active carbon 8.

The supporting filter screen 9 is positioned on the upper side of the air outlet pipe 6, the cover pressing filter screen 7 is positioned on the lower side of the port of the air inlet, the detection of the loose and uneven influence of the activated carbon 8 is prevented, the fixed base 1 comprises a bottom plate 11 and a fixed groove 12, the lower end face of the fixed groove 12 and the upper end face of the bottom plate 11 are welded and fixed, the inner diameter of the upper port of the fixed groove 12 is the same as the outer diameter of the sampling pipe 2, the fixed groove 12 is made of rubber materials to protect the sampling pipe 2, the height of the fixed groove 12 is not less than one fifth of the height of the sampling pipe 2, the outer diameter of the bottom plate 11 is twice of the fixed groove 12 to ensure the fixing stability of the sampling pipe 2, the outer diameter of the rubber sleeve ring 3 is larger than the outer diameter of the fixed groove 12 to prevent the upper port of the sampling pipe 2 from colliding with the ground, gas leakage is prevented from affecting detection.

As an embodiment of the present invention: the place that needs carry out the toxic substance sampling in the environment is being selected, place unable adjustment base 1 in flat position, establish the 2 upsides of sampling pipe with 3 covers of rubber sleeve ring again, later insert the tip under 2 sampling pipes inside fixed slot 12, the air is followed intake pipe 5 and is input sampling pipe 2, adsorb through active carbon 8, concentrate the toxic substance in the air in sampling pipe 2, discharge the external world from outlet duct 6 again, unable adjustment base 1 can prevent that sampling pipe 2 from empting, sampling pipe 2 is direct and the ground contact leads to the damage when rubber sleeve ring 3 then avoids sampling pipe 2 to empty, the utility model discloses simple structure, convenient to use, it is damaged to have received external force easily to have solved 8 sampling pipes of active carbon 2, influences the problem that detects.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an active carbon sampling pipe, includes unable adjustment base, sampling pipe, rubber sleeve ring, rubber buffer, intake pipe, outlet duct, supports filter screen, lid and presses filter screen and active carbon, its characterized in that: the utility model discloses a sampling pipe, including sampling pipe upper end, intake pipe, sampling pipe lower end, rubber sleeve ring cover are established inside unable adjustment base, the rubber buffer has been filled to the inside stopper of sampling pipe upper end mouth, the intake pipe runs through the rubber buffer and extends to the sampling pipe inside from the middle of the rubber plug up end, the outlet duct runs through the sampling pipe right-hand member face, sampling pipe inside is provided with the support filter screen and covers the pressure filter screen, support the filter screen and press the filter screen downside at the lid, it has active carbon to support the filter screen and cover.

2. The activated carbon sampling tube of claim 1, wherein: the support filter screen is located the outlet duct upside, the lid is pressed the filter screen and is located port downside under the air inlet.

3. The activated carbon sampling tube of claim 1, wherein: the utility model discloses a sampling tube, including unable adjustment base, fixed base includes bottom plate and fixed slot, welded fastening in the middle of terminal surface and the bottom plate up end under the fixed slot, port internal diameter is the same with the sampling tube external diameter on the fixed slot, the fixed slot is made for rubber materials, the height of fixed slot is not less than the fifth of sampling tube height, the external diameter of bottom plate is the twice of fixed slot.

4. The activated carbon sampling tube of claim 1, wherein: the outer diameter of the rubber lantern ring is larger than that of the fixing groove.

5. The activated carbon sampling tube of claim 1, wherein: the lower part of the rubber plug is arranged to be a cone, and the outer diameter of the upper part of the rubber plug is larger than the inner diameter of the sampling tube.

6. The activated carbon sampling tube of claim 1, wherein: and a sealing gasket is arranged between the air outlet pipe and the through hole of the sampling pipe.