CN211292221U - Gas sampling device for environment detection - Google Patents
Gas sampling device for environment detection Download PDFInfo
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- CN211292221U CN211292221U CN201922307653.5U CN201922307653U CN211292221U CN 211292221 U CN211292221 U CN 211292221U CN 201922307653 U CN201922307653 U CN 201922307653U CN 211292221 U CN211292221 U CN 211292221U
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- sampling device
- holding down
- gas sampling
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Abstract
The utility model discloses a gas sampling device for environmental detection, including the base, the surface of base is provided with the bearing, the inboard fixedly connected with location handle of bearing, and the sliding surface of location handle is connected with the holding down plate, and it has annular gasbag to bond between holding down plate and the base. During the use, open annular gasbag's air inlet nut, rotate the location handle after that and make support piece butt second stopper, the locating pin will follow the roll-off in the location mouth, and elasticity through the second spring promotes the holding down plate upwards along the location handle because annular gasbag bonds between base and holding down plate, consequently the ascending in-process of holding down plate can drive annular gasbag and breathe in and accomplish the sample to this makes things convenient for gaseous sample.
Description
Technical Field
The utility model relates to a gaseous detection technology field specifically is a gaseous sampling device is used in environmental detection.
Background
In the atmospheric environment detection process, often need arrange a plurality of sampling points in different places or same place and gather gaseous sample, like to atmospheric current situation monitoring and the in-process of waste gas current situation monitoring, can set up a plurality of points according to meteorological conditions such as local wind speed, wind direction or exhaust condition usually, on-the-spot sampling personnel need sample at the predetermined point position of laying, the gas is filled into the sampling bag after the sampling, carry back the sample gas sample introduction in the atmosphere analytical equipment after the laboratory, carry out gas collection sampling to the pollutant in the gas (such as ozone concentration, the gas that can't use the stationary liquid absorption such as non-methane total hydrocarbon) and carry out concentration analysis.
The existing gas sampling bag needs manual work to fill gas into the bag in the use process, the gas cannot be automatically sucked to fill the interior of the bag and is relatively unchanged in use, and the existing gas sampling bag is less in use times and easy to damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas sampling device for environmental detection to solve the problem of the inconvenient sample of gas sampling device.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gas sampling device for environmental detection, includes the base, the surface of base is provided with the bearing, the inboard fixedly connected with location handle of bearing, the surperficial sliding connection of location handle has the holding down plate, it has annular gasbag to bond between holding down plate and the base, and annular gasbag adopts the silica gel material.
Preferably, the surface of the lower pressure plate is provided with a mounting ring, the surface of the mounting ring is inserted with a positioning pin, and a first spring is arranged between the positioning pin and the surface of the mounting ring.
Preferably, the surface of the positioning handle is symmetrically provided with positioning openings, and positioning pins are inserted into the inner sides of the positioning openings.
Preferably, a second spring is arranged between the base and the lower pressing plate.
Preferably, the surface of the base is provided with a first limiting block and a second limiting block.
Preferably, the surface of the positioning handle is provided with a resisting block, and the surface of the resisting block is in butt joint with a first limiting block.
Compared with the prior art, the beneficial effects of the utility model are that: when the gas sampling device is used, the gas inlet nut of the annular gas bag is opened, the positioning handle is rotated to enable the abutting block to abut against the second limiting block, the positioning pin can slide out of the positioning opening, the lower pressing plate is pushed upwards along the positioning handle through the elasticity of the second spring, and the annular gas bag is bonded between the base and the lower pressing plate, so that the annular gas bag is driven to suck gas to finish sampling in the upward process of the lower pressing plate, and the gas sampling is facilitated; meanwhile, the annular air bag replaces a traditional sampling bag, so that the sampling device is more durable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of the overall structure of the present invention;
fig. 4 is a top view of the base of the present invention.
In the figure: the device comprises a base 1, a bearing 11, a first limiting block 12, a second limiting block 13, a lower pressing plate 2, a positioning pin 21, a first spring 22, a mounting ring 23, a positioning handle 3, a positioning opening 31, a butting block 32, a second spring 4 and an annular air bag 5.
Detailed Description
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: the utility model provides a gas sampling device for environmental detection, includes base 1, base 1's surface is provided with bearing 11, bearing 11's inboard fixedly connected with location handle 3, the surperficial sliding connection of location handle 3 has holding down plate 2, it has annular gasbag 5 to bond between holding down plate 2 and the base 1, the upper surface bonding of annular gasbag 5 is at the lower surface of holding down plate 2, the lower surface bonding of annular gasbag 5 is at the upper surface of base 1, holding down plate 2 upwards drives annular gasbag 5 and expandes and breathe in.
Referring to fig. 2, a mounting ring 23 is disposed on a surface of the lower pressing plate 2, a positioning pin 21 is inserted into the surface of the mounting ring 23, a first spring 22 is disposed between the positioning pin 21 and the surface of the mounting ring 23, and the positioning pin 21 is driven to be inserted into the positioning opening 31 by an inward pulling force of the first spring 22.
Referring to fig. 3, the surface of the positioning handle 3 is symmetrically provided with positioning holes 31, the positioning pins 21 are inserted into the positioning holes 31, and the positioning pins 21 are inserted into the positioning holes 31 to position the lower press plate 2 on the surface of the positioning handle 3, so as to maintain the compression state of the annular air bag 5.
Referring to fig. 2, a second spring 4 is disposed between the base 1 and the lower pressing plate 2, and the lower pressing plate 2 is pushed upward along the positioning handle 3 by the second spring 4, so as to drive the annular air bag 5 to expand for air suction.
Referring to fig. 4, the surface of the base 1 is provided with a first stopper 12 and a second stopper 13, and when the abutting block 32 abuts against the second stopper 13, the round head of the positioning pin 21 slides out along the inclined surface of the positioning opening 31 when the positioning handle 3 is rotated.
Referring to fig. 1 and fig. 2, a resisting block 32 is disposed on a surface of the positioning handle 3, the surface of the resisting block 32 is contacted with the first limiting block 12, and when the resisting block 32 is contacted with the first limiting block 12, the positioning opening 31 on the surface of the positioning handle 3 is located corresponding to the position of the positioning pin 21.
The utility model discloses when concrete implementation: before the device is used, the lower pressing plate 2 presses downwards along the positioning handle 3, so that air in the annular air bag 5 is extruded, the compressed annular air bag 5 is then positioned by inserting the positioning pin 21 into the positioning opening 31 on the surface of the positioning handle 3, when sampling gas, the air inlet nut of the annular air bag 5 is opened, then the positioning handle 3 is rotated to make the abutting block 32 abut against the second limiting block 13, the positioning pin 21 slides out along the inclined surface of the positioning opening 31 during the rotation of the positioning handle 3, in case of losing the positioning, the second spring 4 between the lower pressing plate 2 and the base 1 will give the lower pressing plate 2 an upward elastic force to move it upward along the positioning handle 3, because the annular air bag 5 is bonded between the base 1 and the lower pressing plate 2, the annular air bag 5 is driven to expand and suck air to sample in the upward process of the lower pressing plate 2, so that the sampling of gas is facilitated; replace traditional sample bag simultaneously through annular gasbag 5 because annular gasbag 5 adopts the silica gel material to be rich in elastic while relatively durable, consequently makes sampling device more durable when using.
Claims (6)
1. The utility model provides a gas sampling device for environmental monitoring, includes base (1), its characterized in that: the surface of base (1) is provided with bearing (11), the inboard fixedly connected with location handle (3) of bearing (11), the surperficial sliding connection of location handle (3) has holding down plate (2), it has annular gasbag (5) to bond between holding down plate (2) and base (1).
2. The gas sampling device for environmental monitoring according to claim 1, wherein: the surface of the lower pressing plate (2) is provided with a mounting ring (23), the surface of the mounting ring (23) is spliced with a positioning pin (21), and a first spring (22) is arranged between the positioning pin (21) and the surface of the mounting ring (23).
3. The gas sampling device for environmental monitoring according to claim 1, wherein: the surface of the positioning handle (3) is symmetrically provided with positioning openings (31), and positioning pins (21) are inserted into the inner sides of the positioning openings (31).
4. The gas sampling device for environmental monitoring according to claim 1, wherein: and a second spring (4) is arranged between the base (1) and the lower pressing plate (2).
5. The gas sampling device for environmental monitoring according to claim 1, wherein: the surface of the base (1) is provided with a first limiting block (12) and a second limiting block (13).
6. The gas sampling device for environmental monitoring according to claim 1, wherein: the surface of the positioning handle (3) is provided with a resisting block (32), and the surface of the resisting block (32) is in butt joint with a first limiting block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922307653.5U CN211292221U (en) | 2019-12-20 | 2019-12-20 | Gas sampling device for environment detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922307653.5U CN211292221U (en) | 2019-12-20 | 2019-12-20 | Gas sampling device for environment detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211292221U true CN211292221U (en) | 2020-08-18 |
Family
ID=72038386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922307653.5U Active CN211292221U (en) | 2019-12-20 | 2019-12-20 | Gas sampling device for environment detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211292221U (en) |
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2019
- 2019-12-20 CN CN201922307653.5U patent/CN211292221U/en active Active
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