CN211825297U - Collection system for harmful gas detection in atmosphere - Google Patents
Collection system for harmful gas detection in atmosphere Download PDFInfo
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- CN211825297U CN211825297U CN202020395884.6U CN202020395884U CN211825297U CN 211825297 U CN211825297 U CN 211825297U CN 202020395884 U CN202020395884 U CN 202020395884U CN 211825297 U CN211825297 U CN 211825297U
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- sampling
- sampling cavity
- atmosphere
- pipe
- air inlet
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Abstract
The utility model discloses a harmful gas detects uses collection system in atmosphere, including the base, the sampling chamber is installed to the up end of base, and intake pipe and blast pipe have been laid to the up end interval in sampling chamber, has laid the check valve that admits air in the intake pipe, has laid the exhaust check valve in the blast pipe, has laid sampling mechanism in the sampling chamber. The collecting device for detecting harmful gases in the atmosphere is matched with the sliding block through the screw rod, so that the piston can be driven to linearly move in the sampling cavity only by shaking the handle during sampling, and the operation is labor-saving; the protective sleeve made of sponge is distributed on the periphery of the handle, so that the abrasion between hands and the handle can be reduced, and operators are protected; moreover, the filter screens are distributed at the end parts of the air inlet pipe and the air outlet pipe, so that dust in the air can be prevented from entering the pipe body to cause blockage; in addition, the filter screen and the pipe body are in matched threaded connection, so that the filter screen is easy to disassemble, assemble and replace, and the acquisition device is convenient to maintain in actual use.
Description
Technical Field
The utility model relates to an environmental protection technology field specifically is a harmful gas detects uses collection system in atmosphere.
Background
Along with the continuous development of society, people pay more and more attention to environmental problems, the pollution index of air directly influences the health of people, when air is detected, a gas acquisition device is needed to sample the air, but a certain defect exists when a general gas acquisition device is used; accordingly, there is a need for improvements in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a harmful gas detects uses collection system in atmosphere to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a collecting device for detecting harmful gases in the atmosphere comprises a base, wherein a sampling cavity is arranged on the upper end face of the base, an air inlet pipe and an air outlet pipe are arranged on the upper end face of the sampling cavity at intervals, an air inlet check valve is arranged in the air inlet pipe, an air outlet check valve is arranged in the air outlet pipe, and a sampling mechanism is arranged in the sampling cavity; as a further aspect of the present invention: the sampling mechanism comprises a screw rod, the screw rod is arranged on the inner side of the sampling cavity through a fixed bearing, two sliding blocks are arranged on the screw rod at intervals, the sliding blocks are in transmission fit with the screw rod, an upper supporting rod and a lower supporting rod are rotatably connected to the sliding blocks, one end of the upper supporting rod, which is far away from the sliding blocks, is rotatably connected with a sliding seat, a piston is arranged on the upper end surface of the sliding seat, and the piston is attached to the inner wall of the sampling cavity; one end of the lower support rod, which is far away from the sliding block, is rotatably connected with a fixed seat, and the fixed seat is fixed on the upper end surface of the base and is positioned on the inner side of the sampling cavity; one end of the screw rod extends to the outer side of the sampling cavity and is provided with a driving wheel, and a handle is eccentrically arranged on the driving wheel.
As a further aspect of the present invention: the sampling cavity is assembled and connected with the base through bolts.
As a further aspect of the present invention: the protective sheath of sponge material has been laid to the periphery of handle.
As a further aspect of the present invention: the piston is made of rubber.
As a further aspect of the present invention: the filter screen is laid at the end of the air inlet pipe and the end of the exhaust pipe, and the filter screen is connected with the air inlet pipe and the exhaust pipe through matching threads.
Compared with the prior art, the beneficial effects of the utility model are that: the collecting device for detecting harmful gases in the atmosphere is simple in structure and convenient and fast to operate, and the piston can be driven to linearly move in the sampling cavity only by shaking the handle when sampling is realized through the matching of the screw rod and the sliding block, so that the operation is labor-saving; the protective sleeve made of sponge is distributed on the periphery of the handle, so that the abrasion between hands and the handle can be reduced, and operators are protected; moreover, the filter screens are distributed at the end parts of the air inlet pipe and the exhaust pipe, so that dust in the air can be prevented from entering the pipe body to cause the blockage of the air inlet pipe and the exhaust pipe; in addition, the filter screen and the pipe body are in matched threaded connection, so that the filter screen is easy to disassemble, assemble and replace, and the acquisition device is convenient to maintain in actual use.
Drawings
Fig. 1 is a schematic structural view of a collecting device for detecting harmful gases in the atmosphere.
Fig. 2 is a schematic structural diagram of a filter screen in the collecting device for detecting harmful gases in the atmosphere.
In the figure: 1-base, 2-sampling cavity, 3-fixing seat, 4-lower supporting rod, 5-upper supporting rod, 6-sliding seat, 7-piston, 8-sliding block, 9-fixed bearing, 10-screw rod, 11-driving wheel, 12-handle, 13-air inlet pipe, 14-air outlet pipe, 15-air inlet check valve, 16-air outlet check valve and 17-filter screen.
Detailed Description
In the following description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-2, an acquisition device for detecting harmful gases in the atmosphere comprises a base 1, a sampling cavity 2 is mounted on the upper end surface of the base 1, an air inlet pipe 13 and an air outlet pipe 14 are arranged on the upper end surface of the sampling cavity 2 at intervals, an air inlet check valve 15 is arranged in the air inlet pipe 13, an air outlet check valve 16 is arranged in the air outlet pipe 14, and a sampling mechanism is arranged in the sampling cavity 2; the specific structure of the sampling mechanism is not limited, preferably, in this embodiment, the sampling mechanism includes a screw rod 10, the screw rod 10 is installed inside the sampling cavity 2 through a fixed bearing 9, two slide blocks 8 are arranged on the screw rod 10 at intervals, the slide blocks 8 are in transmission fit with the screw rod 10, an upper support rod 5 and a lower support rod 4 are rotatably connected to the slide blocks 8, one end of the upper support rod 5, which is far away from the slide blocks 8, is rotatably connected with a sliding seat 6, a piston 7 is arranged on the upper end surface of the sliding seat 6, and the piston 7 is attached to the inner wall of the sampling cavity 2; one end of the lower support rod 4, which is far away from the sliding block 8, is rotatably connected with the fixed seat 3, and the fixed seat 3 is fixed on the upper end surface of the base 1 and is positioned at the inner side of the sampling cavity 2; one end of the screw rod 10 extends to the outer side of the sampling cavity 2 and is provided with a driving wheel 11, and a handle 12 is eccentrically arranged on the driving wheel 11.
The specific connection mode of the sampling cavity 2 and the base 1 is not limited, and preferably, in this embodiment, the sampling cavity 2 and the base 1 are assembled and connected by bolts.
Further, a protective sleeve made of sponge is arranged on the periphery of the handle 12.
The specific material of the piston 7 is not limited, and preferably, in this embodiment, the material of the piston 7 is rubber.
The working principle of the embodiment is as follows:
the base 1 is placed at a proper position, the handle 12 is shaken to enable the sliding block 8 to move towards the center position of the screw rod 10, the upper supporting rod 5 and the lower supporting rod 4 are unfolded outwards to push the piston 7 to move upwards, and air remained in the sampling cavity 2 is exhausted out of the outside through the exhaust one-way valve 16 until the air in the sampling cavity 2 is exhausted; the handle 12 is shaken in a reverse direction, the slide block 8 moves in a direction departing from the center of the screw rod 10, the upper support rod 5 and the lower support rod 4 contract mutually, the sliding seat 6 drives the piston 7 to move downwards, outside air enters the sampling cavity 2 through the air inlet one-way valve 15, and the handle 12 is stopped shaking after the sampling cavity 2 is fully collected; when the collected air sample needs to be detected, the exhaust pipe 14 is connected with the detection device, and the handle 12 is shaken to enable the air in the sampling cavity 2 to be exhausted to the detection device.
Example 2
In example 1, the air inlet pipe 13 and the air outlet pipe 14 directly contact with the atmospheric environment, and dust entrained in the air can enter the air inlet pipe 13 and the air outlet pipe 14 during actual sampling and placement, which easily causes blockage of the air inlet pipe 13 and the air outlet pipe 14 in the long run; therefore, the present embodiment is improved on the basis of embodiment 1, and the improvement is as follows: the end parts of the air inlet pipe 13 and the air outlet pipe 14 are provided with filter screens 17, and the filter screens 17 are connected with the air inlet pipe 13 and the air outlet pipe 14 through matching threads so as to avoid blocking caused by dust in the air entering the air inlet pipe 13 and the air outlet pipe 14.
It should be particularly noted that, although the present specification describes embodiments, each embodiment does not include only an independent technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and technical solutions in various embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications, improvements and substitutions can be made, which all fall within the protection scope of the present technical solution. The protection scope of this technical solution patent should be subject to the appended claims.
Claims (5)
1. The collecting device for detecting harmful gases in the atmosphere comprises a base (1) and is characterized in that a sampling cavity (2) is mounted on the upper end face of the base (1), an air inlet pipe (13) and an air outlet pipe (14) are arranged on the upper end face of the sampling cavity (2) at intervals, an air inlet check valve (15) is arranged in the air inlet pipe (13), an air outlet check valve (16) is arranged in the air outlet pipe (14), and a sampling mechanism is arranged in the sampling cavity (2); the sampling mechanism comprises a lead screw (10), the lead screw (10) is installed on the inner side of a sampling cavity (2) through a fixed bearing (9), two sliding blocks (8) are arranged on the lead screw (10) at intervals, the sliding blocks (8) are in transmission fit with the lead screw (10), an upper supporting rod (5) and a lower supporting rod (4) are rotatably connected onto the sliding blocks (8), one end, deviating from the sliding blocks (8), of the upper supporting rod (5) is rotatably connected with a sliding seat (6), a piston (7) is arranged on the upper end face of the sliding seat (6), and the piston (7) is attached to the inner wall of the sampling cavity (2); one end of the lower support rod (4) departing from the sliding block (8) is rotatably connected with the fixed seat (3), and the fixed seat (3) is fixed on the upper end surface of the base (1) and is positioned on the inner side of the sampling cavity (2); one end of the screw rod (10) extends to the outer side of the sampling cavity (2) and is provided with a driving wheel (11), and a handle (12) is eccentrically arranged on the driving wheel (11).
2. The collecting device for detecting the harmful gases in the atmosphere according to claim 1, wherein the sampling cavity (2) is assembled and connected with the base (1) by bolts.
3. The collecting device for detecting harmful gases in the atmosphere as claimed in claim 1, wherein a protective sleeve made of sponge is arranged on the periphery of the handle (12).
4. The collecting device for detecting harmful gases in the atmosphere as claimed in claim 2, wherein the piston (7) is made of rubber.
5. The collecting device for detecting the harmful gases in the atmosphere according to claim 3, wherein the end parts of the air inlet pipe (13) and the air outlet pipe (14) are provided with filter screens (17), and the filter screens (17) are connected with the air inlet pipe (13) and the air outlet pipe (14) through matching threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020395884.6U CN211825297U (en) | 2020-03-25 | 2020-03-25 | Collection system for harmful gas detection in atmosphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020395884.6U CN211825297U (en) | 2020-03-25 | 2020-03-25 | Collection system for harmful gas detection in atmosphere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211825297U true CN211825297U (en) | 2020-10-30 |
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ID=73010909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020395884.6U Expired - Fee Related CN211825297U (en) | 2020-03-25 | 2020-03-25 | Collection system for harmful gas detection in atmosphere |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211825297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114081246A (en) * | 2021-11-19 | 2022-02-25 | 郭旭海 | Air acquisition bracelet |
-
2020
- 2020-03-25 CN CN202020395884.6U patent/CN211825297U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114081246A (en) * | 2021-11-19 | 2022-02-25 | 郭旭海 | Air acquisition bracelet |
| CN114081246B (en) * | 2021-11-19 | 2024-04-26 | 广东汉卫检测科技有限公司 | Air collection bracelet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |