A portable atmospheric sampler

By incorporating a foldable support plate and a retractable extension plate, combined with magnetic connections, the portability and sealing issues of the atmospheric sampler are resolved, improving the sampler's portability and sampling stability while reducing operation and maintenance costs.

CN224518270UActive Publication Date: 2026-07-17PINGDINGSHAN GUOZHENG QUALITY INSPECTION SERVICE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
PINGDINGSHAN GUOZHENG QUALITY INSPECTION SERVICE CO LTD
Filing Date
2025-07-19
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing atmospheric sampler has a redundant structural design, resulting in poor portability. The traditional threaded connection is prone to wear, which leads to a decrease in sealing performance and affects the sampling accuracy.

Method used

It adopts a foldable support plate and a retractable extension plate structure. The sampling head and sampling tube are connected by magnetic attraction, which avoids wear of threaded connections and increases portability and sealing.

Benefits of technology

It facilitates portability and transportation, reduces operation time and maintenance costs, and ensures the stability and accuracy of the sampling process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to atmospheric sampler technical field, concretely discloses a portable atmospheric sampler, including casing and sampling head, the inside installation of casing has the air pump, the outer wall of casing is provided with the gas path connecting mouth, the gas path connecting mouth is passed through the trachea and the exhaust end communication of air pump, the left and right ends of casing all are provided with folding mechanism, the folding mechanism includes two front and back distribution end plates of fixed connection in the outer wall of casing, the rotatory joint of two end plates has the pivot, the outer wall fixed connection of pivot has the support plate, through collapsible support plate and telescopic extension plate, when using, can place drying bottle and absorption bottle, can carry out drying and specific component absorption treatment to gas, can greatly reduce the overall volume when not using, is convenient for operating personnel to carry and transfer, especially is suitable for field operation, mobile monitoring etc.
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Claims

1. A portable atmospheric sampler, comprising a housing (1) and a sampling head (17), wherein an air pump (15) is installed inside the housing (1), and an air passage connection port is provided on the outer wall of the housing (1), the air passage connection port being connected to the exhaust end of the air pump (15) via an air pipe, characterized in that: The shell (1) is provided with folding mechanisms at both the left and right ends: The folding mechanism includes two end plates (2) fixedly connected to the outer wall of the housing (1) and distributed in front and behind. A rotating shaft (3) is rotatably connected between the two end plates (2). A support plate (4) is fixedly connected to the outer wall of the rotating shaft (3). A groove (5) is opened on the outer wall of the support plate (4). An extension plate (6) is slidably connected inside the groove (5). Two first magnets (8) are embedded in the outer wall of the support plate (4). A pull plate (7) is fixedly connected to the outer wall of the extension plate (6). A second magnet (9) that is adapted to the two first magnets (8) is fixedly connected to the outer wall of the pull plate (7). Through holes (13) are opened through the outer walls of the support plate (4) and the extension plate (6). The housing (1) is fixedly connected to a sampling tube (16) that communicates with the air pump (15). A strong magnetic ring (19) is fixedly connected to the upper end of the sampling tube (16). An installation ring (21) is fixedly connected to the outer wall of the sampling head (17). A magnetic ring (18) that attracts the strong magnetic ring (19) is fixedly connected to the lower end of the installation ring (21).

2. A portable air sampler according to claim 1, characterised in that: The extension plate (6) is fixedly connected to a baffle (14) at one end of the slide groove (5).

3. The portable air sampler of claim 1, wherein: An auxiliary plate (11) is fixedly connected to the outer wall of the housing (1). The auxiliary plate (11) is threaded through the outer wall and threadedly connected to a threaded rod (12). The outer wall of the support plate (4) is provided with a threaded hole (10) that matches the threaded rod (12).

4. The portable air sampler of claim 1, wherein: A sealing ring (20) is fixedly connected to the upper end of the sampling tube (16), and the upper end of the sealing ring (20) is in close contact with the lower end of the mounting ring (21).

5. The portable air sampler of claim 1, wherein: The outer wall of the housing (1) is fixedly connected with a handle buckle.

6. The portable air sampler of claim 1, wherein: The input end of the air pump (15) is fixedly connected to a flow sensor (22), and the outer wall of the housing (1) is embedded with a display screen that is electrically connected to the flow sensor (22). The outer wall of the housing (1) is also equipped with an adjustment knob that is electrically connected to the air pump (15).

7. The portable air sampler of claim 1, wherein: The upper end of the sampling head (17) is threaded with a protective cover, and the inner wall of the sampling head (17) is fixedly connected with a dustproof net.