CN217466377U - Gas sampling device - Google Patents
Gas sampling device Download PDFInfo
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- CN217466377U CN217466377U CN202220123982.3U CN202220123982U CN217466377U CN 217466377 U CN217466377 U CN 217466377U CN 202220123982 U CN202220123982 U CN 202220123982U CN 217466377 U CN217466377 U CN 217466377U
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- sampler body
- air inlet
- gas
- piston
- shell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model relates to a gas sampling device, which comprises a sampler body; the sampler body comprises a sampling shell, the sampling shell is provided with a cylindrical gas storage cavity, an upper opening and a lower opening are arranged on the sampling shell and right face the gas storage cavity, and the upper opening is in plug-in fit with a sealing plug; a piston is matched in the sampler shell in a sliding manner, the thickness of the piston is larger than the diameter of the upper opening hole and the lower opening hole, the upper end of the piston is fixedly connected with a connecting block, and a power assembly for driving the piston to move along the vertical direction is arranged on the sampler body; be provided with air inlet assembly on the sampler casing, be provided with the air inlet with sampler body intercommunication on the air inlet assembly, still be provided with on the sampler body and be used for carrying out confined seal assembly to air inlet assembly. The utility model has the advantages of convenient use, strong sealing performance and accurate sampling.
Description
Technical Field
The utility model relates to an environmental detection technical field especially relates to a gas sampling device.
Background
The environmental test refers to determining the environmental quality (or the degree of pollution) and the variation tendency thereof by measuring the representative value of the factors affecting the environmental quality. Environmental monitoring often requires the use of gas sampling devices for targeted sampling of the environmental location to be monitored.
However, the existing gas sampling device has poor closure and poor accuracy of sampling results, so that the accuracy of detection results in a later period is not high, and the environment needing to be detected is difficult to make an accurate judgment.
Disclosure of Invention
To the not enough of above-mentioned prior art, the technical problem that this patent application will solve provides a convenient to use, and the closure is strong, the accurate gas sampling device of sampling.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a gas sampling device comprises a sampler body;
the sampler body comprises a sampling shell, the sampling shell is provided with a cylindrical gas storage cavity, an upper opening and a lower opening are arranged on the sampling shell and right face the gas storage cavity, and the upper opening is in plug-in fit with a sealing plug;
a piston is matched in the sampler shell in a sliding manner, the thickness of the piston is larger than the diameter of the upper opening and the lower opening, the upper end of the piston is fixedly connected with a connecting block, and a power assembly for driving the piston to move along the vertical direction is arranged on the sampler body;
be provided with the air inlet subassembly on the sampler casing, be provided with the air inlet with sampler body intercommunication on the air inlet subassembly, still be provided with on the sampler body and be used for carrying out confined seal assembly to the air inlet subassembly.
Like this, when using, open the closing plug of going up the trompil, power component drives piston upward movement, with the gaseous evacuation on gaseous storage chamber upper portion, later insert the trompil with the closing plug, place the sampler body in the environment that needs the sample, power component drives piston downward movement, and the air in the environment passes through the air inlet and gets into gaseous storage intracavity, and the closing component seals the air inlet, and the piston motion blocks the lower trompil of opening under to gaseous storage chamber lower part, accomplishes the gas sampling to the environment. When the gas that needs will take a sample is discharged, will close the stopper and open, power component drives the piston upward movement, and the extrusion gas is followed the trompil and is discharged.
The shell comprises a lower shell and a top cover, a sealing ring is arranged between the lower shell and the top cover, and the lower shell and the top cover are fixedly connected through screws. The piston is convenient to place, and the leakproofness is good simultaneously.
The power assembly comprises a first electric push rod, the first electric push rod is fixedly connected with the sampler body, and the action end of the first electric push rod penetrates through the top cover and is fixedly connected with the connecting block. The first electric push rod drives the piston to move.
The sampler comprises a sampler body, an air inlet assembly and a top cover, wherein the air inlet assembly comprises an air inlet ring fixedly mounted on the sampler body, the outer surface of the air inlet ring is provided with an outer conical surface, the circumferential direction of the air inlet ring is provided with an L-shaped air inlet, and the top cover is provided with a through hole right facing the air inlet. The gas in the environment enters the gas storage cavity through the gas inlet hole, and the gas inlet hole is arranged in an L shape to prolong the gas inlet path.
Wherein, the seal assembly includes the mounting panel, the mounting panel just is provided with the hole of stepping down to first electric putter, the mounting panel passes through branch and sampler body fixed connection, fixed mounting has three second electric putter on the mounting panel, second electric putter's action end passes mounting panel and seal ring fixed connection, the seal ring just is provided with the inner conical surface to the outer conical surface of air inlet ring. The second electric push rod drives the sealing ring to move downwards to seal the air inlet, and the sealing ring is provided with an outer conical surface and an inner conical surface, so that the sealing effect is improved.
The sampler comprises a sampler body and is characterized in that a nut sleeve is fixedly connected to the lower end of the sampler body, and a support is connected to the lower portion of the nut sleeve. Is convenient to be placed in the environment.
To sum up, the utility model has the advantages of convenient to use, the seal is strong, and the sampling is accurate.
Drawings
Fig. 1 is a schematic structural view of a gas sampling device according to the present invention.
Fig. 2 is a cross-sectional view of the sampler body of fig. 1.
FIG. 3 is a schematic view of a sampling housing.
FIG. 4 is a schematic view of the sampling housing of FIG. 2 with the sampling housing removed.
Fig. 5 is a schematic view of the piston of fig. 4 with the piston removed.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1 to 5, a gas sampling device includes a sampler body 1;
the sampler body comprises a sampling shell 2, the sampling shell is provided with a cylindrical gas storage cavity, an upper opening 3 and a lower opening 4 are arranged on the sampling shell and right face the gas storage cavity, and the upper opening is in plug-in fit with a sealing plug 5;
a piston 6 is matched in the sampler shell in a sliding mode, the thickness of the piston is larger than the diameter of the upper opening and the lower opening, the upper end of the piston is fixedly connected with a connecting block, and a power assembly for driving the piston to move in the vertical direction is installed on the sampler body;
be provided with air inlet assembly on the sampler casing, be provided with the air inlet 7 with the sampler body intercommunication on the air inlet assembly, still be provided with on the sampler body and be used for carrying out confined seal assembly to air inlet assembly.
Like this, when using, open the closing plug of going up the trompil, power component drives piston upward movement, with the gaseous evacuation on gaseous storage chamber upper portion, later insert the trompil with the closing plug, place the sampler body in the environment that needs the sample, power component drives piston downward movement, and the air in the environment passes through the air inlet and gets into gaseous storage intracavity, and the closing component seals the air inlet, and the piston motion blocks the lower trompil of opening under to gaseous storage chamber lower part, accomplishes the gas sampling to the environment. When the gas that needs will take a sample is discharged, will close the stopper and open, power component drives the piston upward movement, and the extrusion gas is followed the trompil and is discharged.
Wherein, the casing includes inferior valve 8 and top cap 9, be provided with the sealing washer between inferior valve and the top cap, inferior valve and top cap pass through screw fixed connection. The piston is convenient to place, and the leakproofness is good simultaneously.
The power assembly comprises a first electric push rod 10, the first electric push rod is fixedly connected with the sampler body, and the action end of the first electric push rod penetrates through the top cover and is fixedly connected with the connecting block. The first electric push rod drives the piston to move.
The sampler comprises a sampler body, wherein the sampler body is provided with an air inlet assembly, the air inlet assembly comprises an air inlet ring 11 fixedly installed on the sampler body, the outer surface of the air inlet ring is provided with an outer conical surface, the circumferential direction of the air inlet ring is provided with an L-shaped air inlet hole, and the top cover is provided with a through hole right facing the air inlet hole. The gas in the environment enters the gas storage cavity through the gas inlet hole, and the gas inlet hole is arranged in an L shape to prolong the gas inlet path.
Wherein, the seal assembly includes mounting panel 12, the mounting panel is just being provided with the hole of stepping down to first electric putter, the mounting panel passes through branch and sampler body fixed connection, fixed mounting has three second electric putter 13 on the mounting panel, second electric putter's action end passes mounting panel and 15 fixed connection of seal ring, the seal ring is just being provided with interior conical surface 14 to the outer conical surface of air inlet ring. The second electric push rod drives the sealing ring to move downwards to seal the air inlet, and the sealing ring is provided with an outer conical surface and an inner conical surface, so that the sealing effect is improved.
The sampler comprises a sampler body, a nut sleeve 16, a support 17 and a control unit, wherein the lower end of the sampler body is fixedly connected with the nut sleeve 16, and the lower surface of the nut sleeve is connected with the support 17. Convenient to place in the environment.
The first electric push rod and the second electric push rod are connected with a controller and a power supply, and the electric push rod is convenient to use.
The principle is as follows:
when using, open the closing plug of going up the trompil, power component drives piston upward movement, with the gaseous evacuation on gaseous storage chamber upper portion, later insert the trompil with the closing plug, place the sampler body in the environment that needs the sample, power component drives piston downward movement, and the air in the environment passes through the air inlet and gets into gaseous storage intracavity, and closing component seals the air inlet, and piston motion blocks the gas sampling to the undermining hole to gaseous storage chamber lower part, accomplishes the gas sampling to the environment. When the gas that needs will take a sample is discharged, will close the stopper and open, power component drives the piston upward movement, and the extrusion gas is followed the trompil and is discharged.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.
Claims (6)
1. A gas sampling device is characterized by comprising a sampler body;
the sampler body comprises a sampling shell, the sampling shell is provided with a cylindrical gas storage cavity, an upper opening and a lower opening are arranged on the sampling shell and right face the gas storage cavity, and the upper opening is in plug-in fit with a sealing plug;
a piston is matched in the sampling shell in a sliding mode, the thickness of the piston is larger than the diameter of the upper opening hole and the lower opening hole, the upper end of the piston is fixedly connected with a connecting block, and a power assembly for driving the piston to move in the vertical direction is installed on the sampler body;
the sampler is characterized in that an air inlet component is arranged on the sampling shell, an air inlet communicated with the sampler body is formed in the air inlet component, and a sealing component used for sealing the air inlet component is further arranged on the sampler body.
2. The gas sampling device of claim 1, wherein the housing comprises a lower shell and a top cover, a sealing ring is arranged between the lower shell and the top cover, and the lower shell and the top cover are fixedly connected through screws.
3. The gas sampling device of claim 1, wherein the power assembly comprises a first electric push rod, the first electric push rod is fixedly connected with the sampler body, and the action end of the first electric push rod penetrates through the top cover and is fixedly connected with the connecting block.
4. The gas sampling device of claim 2, wherein the gas inlet assembly comprises a gas inlet ring fixedly mounted on the sampler body, an outer conical surface is arranged on the outer surface of the gas inlet ring, an L-shaped gas inlet hole is formed in the circumferential direction of the gas inlet ring, and a through hole is formed in the top cover opposite to the gas inlet hole.
5. The gas sampling device of claim 1, wherein the sealing assembly comprises a mounting plate, the mounting plate is provided with a abdicating hole for the first electric push rod, the mounting plate is fixedly connected with the sampler body through a support rod, three second electric push rods are fixedly mounted on the mounting plate, the action ends of the second electric push rods penetrate through the mounting plate and are fixedly connected with the sealing ring, and the sealing ring is provided with an inner conical surface for the outer conical surface of the air inlet ring.
6. A gas sampling device according to claim 1 wherein the lower end of the sampler body is fixedly connected to a nut socket, the underside of which is connected to a support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220123982.3U CN217466377U (en) | 2022-01-18 | 2022-01-18 | Gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220123982.3U CN217466377U (en) | 2022-01-18 | 2022-01-18 | Gas sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217466377U true CN217466377U (en) | 2022-09-20 |
Family
ID=83262380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220123982.3U Active CN217466377U (en) | 2022-01-18 | 2022-01-18 | Gas sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217466377U (en) |
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2022
- 2022-01-18 CN CN202220123982.3U patent/CN217466377U/en active Active
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