Gas sampler for monitoring atmospheric pollution

Abstract

The utility model discloses a gas sampler for monitoring atmospheric pollution, which comprises a base, a collecting box arranged at the top end of the base, a vertical shaft rotatably mounted at the center of the top end of the collecting box, a gear fixed on the outer wall of the upper end of the vertical shaft, a support frame arranged at the top end of the collecting box on one side of the vertical shaft, and a limiting frame arranged at the top end of the support frame, an electric push rod is mounted on the outer wall of the limiting frame; one end of the electric push rod is connected with one end of the rack; a turntable is arranged at the top end of the vertical shaft; a vertical frame is arranged on one side of the top end of the turntable; according to the gas sampler, air can be sucked and sampled in multiple directions, and the air in different directions can be sampled and stored in the corresponding sampling cylinders, so that the sampling precision of the ambient air when the gas sampler is used is ensured, and the convenience of the gas sampler during transfer is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental monitoring technical field, concretely is a gas sampler for atmospheric pollution monitoring. BACKGROUND

[0002] With the acceleration of industrialization and urbanization, air pollution problem is increasingly serious, poses a serious threat to the environment and human health, in order to monitor and handle air, need to sample the air in the environment operation, thus developing a gas sampler for atmospheric pollution monitoring is particularly important.

[0003] Referring to the announcement No. CN217930993U, a kind of gas sampling device for atmospheric pollution monitoring, it includes suction cylinder, the right end of the suction cylinder inner chamber is movably connected with connecting ring, the middle part of the connecting ring is movably connected with connecting rod, the lower side of the right end of the suction cylinder is fixedly connected with connecting cylinder, the lower end of the connecting cylinder is movably connected with vacuum bottle, the left end of the suction cylinder is penetrated with air inlet groove, the middle part of the suction cylinder inner chamber is fixedly installed with sealing block, the gas sampler is moved to the right end of suction cylinder by pulling pull block connecting rod and compression body, the gas in the right end cavity of suction cylinder is compressed into the inside of connecting cylinder, then into the inside of vacuum bottle, so that the gas sample concentration in the inside of vacuum bottle increases, make up the deficiency of small capacity of vacuum bottle, device structure is simple, convenient to carry and use, according to the above, the gas sampler can be well applied, but it is usually inconvenient to suck and sample air in multiple directions, so that the sampling precision of the gas sampler for air is difficult to achieve the intended purpose, often perplexing users. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of gas sampler for atmospheric pollution monitoring, to solve the problem that gas sampler can be well applied in the above background art, but it is usually inconvenient to suck and sample air in multiple directions, so that the sampling precision of the gas sampler for air is difficult to achieve the intended purpose.

[0005] In order to achieve the above object, the utility model provides following technical scheme: A gas sampler for atmospheric pollution monitoring, including base, the top of base is equipped with collection box, the central position of collection box top is rotatably installed with vertical shaft, the outer wall of vertical shaft upper end is fixed with gear, the top of collection box one side of vertical shaft is equipped with support frame, the top of support frame is equipped with limit frame, the inside of limit frame is connected with rack, rack and gear are interlocked, the outer wall of limit frame is installed with electric push rod, one end of electric push rod is connected with one end of rack, the top of vertical shaft is equipped with rotary table, one side of rotary table top is equipped with stand, the top of stand is installed with two sampling cover, the top of rotary table one side of stand is equipped with gas collecting cylinder, the top of gas collecting cylinder is installed with exhaust fan, one end of exhaust fan is connected with the top of gas collecting cylinder through pipe, the other end of exhaust fan is installed with two sampling pipe, the end away from exhaust fan of sampling pipe is connected with the outer wall of sampling cover.

[0006] Preferably, the bottom end of the base is installed with a handle on one side through a support, and rollers are installed at the corner positions of the bottom end of the base.

[0007] Preferably, the outer wall of the base on one side of the roller is provided with a positioning frame, and a threaded cylinder is arranged on the inner side of the positioning frame.

[0008] Preferably, a threaded rod is screw-mounted in the threaded cylinder, the top end of the threaded rod extends to the outside of the threaded cylinder and is installed with a handle, and the bottom end of the threaded rod extends to the outside of the threaded cylinder and is provided with a foot.

[0009] Preferably, a hose is arranged on the outer wall of the lower end of the gas collecting cylinder on one side, the end away from the rotary table of the hose extends to the inside of the collection box and is provided with a first communication pipe, and a second communication pipe is arranged in the inside of the collection box at the end away from the hose of the first communication pipe, so that the air in the gas collecting cylinder is transported into the sampling cylinder through the arrangement of the first communication pipe and the second communication pipe.

[0010] Preferably, a plurality of sampling cylinders are arranged in the inside of the collection box on the side away from the first communication pipe of the second communication pipe, a first valve pipe is arranged on the outer wall on one side of the sampling cylinder, the end away from the sampling cylinder of the first valve pipe is communicated with the outer wall of the second communication pipe, a second valve pipe is arranged on the outer wall on the other side of the sampling cylinder, the end away from the sampling cylinder of the second valve pipe extends to the outside of the collection box, and the arrangement of the plurality of sampling cylinders is used for classifying and storing the sampled air.

[0011] Compared with the prior art, the air pollution monitoring gas sampler has the advantages that: the air can be sucked and sampled in multiple directions, and the air sampled in different directions can be stored in the corresponding sampling cylinder, so as to ensure the sampling accuracy of the gas sampler when in use, and the convenience of the gas sampler when being transported is improved.

[0012] The electric push rod drives the rack to slide on the inner side of the limiting frame, the rack is driven to rotate by the gear due to the meshing of the rack and the gear, the vertical shaft is driven to rotate by the gear, and the sampling cover is driven to rotate by the rotating disc, so that the air can be sucked and sampled in multiple directions, thereby improving the sampling accuracy of the gas sampler when in use.

[0013] The air is sucked into the gas collecting cylinder through the sampling cover and the sampling pipe by starting the air suction machine, and the air is flowed into the second communication pipe through the hose and the first communication pipe, at this time, the first valve pipe on the outer wall of the corresponding sampling cylinder is opened, so that the air is flowed into the sampling cylinder, so that the air sampled in different directions is stored in the corresponding sampling cylinder, and the second valve pipe on the right outer wall of the sampling cylinder is opened, so that the air is discharged, thereby further improving the sampling effect of the gas sampler on the air.

[0014] The handle is rotated, the threaded rod is rotated and upwardly slid in the threaded cylinder, the threaded rod drives the footstool to move downwardly, when the plane where the bottom end of the footstool is located is higher than the plane where the bottom end of the roller is located, the roller is in contact with the ground, the push handle is pushed to transport the gas sampler, so that the gas sampler is easily moved to the designated area, thereby improving the convenience of the gas sampler when being transported. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a front view cross-sectional structure schematic view of the utility model;

[0017] Figure 3 It is a rotating disc bottom view structure schematic view of the utility model;

[0018] Figure 4 It is a Figure 1 enlarged structure schematic view of the utility model three-dimensional structure schematic view A.

[0019] In the figure: 1, base; 2, roller; 3, positioning frame; 4, threaded cylinder; 5, foot; 6, threaded rod; 7, crank; 8, collection box; 9, push handle; 10, support frame; 11, limiting frame; 12, electric push rod; 13, vertical shaft; 14, turntable; 15, hose; 16, stand; 17, sampling cover; 18, sampling tube; 19, air extractor; 20, gas collecting cylinder; 21, gear; 22, rack; 23, first communication pipe; 24, second communication pipe; 25, first valve pipe; 26, sampling cylinder; 27, second valve pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 An embodiment provided by the utility model: a gas sampler for atmospheric pollution monitoring, comprising a base 1, one side of the bottom end of the base 1 is provided with a push handle 9 through a support, and the corner positions of the bottom end of the base 1 are all provided with rollers 2;

[0022] When in use, the rollers 2 are arranged to facilitate the conveying and transferring of the whole gas sampler.

[0023] The outer wall of the base 1 on one side of the roller 2 is all provided with a positioning frame 3, and the inner side of the positioning frame 3 is provided with a threaded cylinder 4.

[0024] When in use, the threaded cylinder 4 is arranged to facilitate the installation of the threaded rod 6.

[0025] The threaded cylinder 4 is internally provided with a threaded rod 6, the top end of the threaded rod 6 extends to the outside of the threaded cylinder 4 and is provided with a crank 7, and the bottom end of the threaded rod 6 extends to the outside of the threaded cylinder 4 and is provided with a foot 5.

[0026] When in use, the crank 7 is shaken to drive the threaded rod 6 to rotate.

[0027] The top end of the base 1 is provided with a collection box 8, the central position of the top end of the collection box 8 is rotatably provided with a vertical shaft 13, the outer wall of the upper end of the vertical shaft 13 is fixedly provided with a gear 21, the top end of the collection box 8 on one side of the vertical shaft 13 is provided with a support frame 10, the top end of the support frame 10 is provided with a limiting frame 11, the inside of the limiting frame 11 is slidably connected with a gear rack 22, the gear rack 22 is meshed with the gear 21, the outer wall of the limiting frame 11 is provided with an electric push rod 12, one end of the electric push rod 12 is connected with one end of the gear rack 22, the top end of the vertical shaft 13 is provided with a rotating disc 14, one side of the top end of the rotating disc 14 is provided with a stand 16, the top end of the stand 16 is provided with two sampling covers 17, the top end of the rotating disc 14 on one side of the stand 16 is provided with a gas collecting cylinder 20, the outer wall of the lower end of one side of the gas collecting cylinder 20 is provided with a hose 15, one end of the hose 15 away from the rotating disc 14 extends to the inside of the collection box 8 and is provided with a first communication pipe 23, the inside of the collection box 8 away from the one end of the first communication pipe 23 is provided with a second communication pipe 24;

[0028] In use, the inside air of the gas collecting cylinder 20 is transported into the sampling cylinder 26 through the first communication pipe 23 and the second communication pipe 24;

[0029] The inside of the collection box 8 away from the one end of the first communication pipe 23 is provided with a plurality of sampling cylinders 26, the outer wall of one side of the sampling cylinder 26 is provided with a first valve pipe 25, one end of the first valve pipe 25 away from the sampling cylinder 26 is in communication with the outer wall of the second communication pipe 24, the outer wall of the other side of the sampling cylinder 26 is provided with a second valve pipe 27, one end of the second valve pipe 27 away from the sampling cylinder 26 extends to the outside of the collection box 8;

[0030] In use, the air sampled is classified and stored through the plurality of sampling cylinders 26;

[0031] The top end of the gas collecting cylinder 20 is provided with an air extractor 19, one end of the air extractor 19 is in communication with the top end of the gas collecting cylinder 20 through a duct, the other end of the air extractor 19 is provided with two sampling pipes 18, one end of the sampling pipe 18 away from the air extractor 19 is in communication with the outer wall of the sampling cover 17.

[0032] In use, the embodiment of the application first rotates the crank handle 7 to drive the threaded rod 6 to rotate and slide upward in the threaded cylinder 4, so that the threaded rod 6 drives the foot base 5 to move downward. When the plane where the bottom end of the foot base 5 is located is higher than the plane where the bottom end of the roller 2 is located, the roller 2 contacts the ground, and the push handle 9 can be pushed to transport the gas sampler. Then the electric push rod 12 drives the rack 22 to slide in the inside of the limiting frame 11, so that the rack 22 drives the vertical shaft 13 to rotate through the gear 21, and the vertical shaft 13 drives the sampling cover 17 to rotate through the rotating disc 14, so that the air can be sucked and sampled in multiple directions. Finally, the air suction fan 19 is started to suck the air into the gas collecting cylinder 20 through the sampling cover 17 and the sampling pipe 18, and the air flows into the inside of the second communication pipe 24 through the hose 15 and the first communication pipe 23. At this time, the first valve pipe 25 on the outer wall of the corresponding sampling cylinder 26 is opened, so that the air flows into the sampling cylinder 26, and the air sampled in different directions is stored in the corresponding sampling cylinder 26. The second valve pipe 27 on the right outer wall of the sampling cylinder 26 is opened, so that the air in the sampling cylinder 26 can be discharged and detected, thereby completing the use of the gas sampler.

Claims

1. A gas sampler for monitoring air pollution, characterized in that: The system includes a base (1), with a collection box (8) at the top of the base (1). A vertical shaft (13) is rotatably mounted at the center of the top of the collection box (8). A gear (21) is fixed on the outer wall of the upper end of the vertical shaft (13). A support frame (10) is provided at the top of the collection box (8) on one side of the vertical shaft (13). A limiting frame (11) is provided at the top of the support frame (10). A rack (22) is slidably connected inside the limiting frame (11). The rack (22) meshes with the gear (21). An electric push rod (12) is installed on the outer wall of the limiting frame (11). One end of the electric push rod (12) is connected to the rack (22). One end of the vertical shaft (13) is connected to the top of the vertical shaft (14), and a turntable (14) is provided at the top of the turntable (14). A stand (16) is provided on one side of the top of the turntable (14). Two sampling covers (17) are installed at the top of the stand (16). A gas collecting cylinder (20) is provided at the top of the turntable (14) on one side of the stand (16). An exhaust fan (19) is installed at the top of the gas collecting cylinder (20). One end of the exhaust fan (19) is connected to the top of the gas collecting cylinder (20) through a conduit. Two sampling tubes (18) are installed at the other end of the exhaust fan (19). The end of the sampling tube (18) away from the exhaust fan (19) is connected to the outer wall of the sampling cover (17).

2. The gas sampler for air pollution monitoring according to claim 1, characterized in that: A push handle (9) is installed on one side of the bottom end of the base (1) via a bracket, and rollers (2) are installed at the corners of the bottom end of the base (1).

3. A gas sampler for air pollution monitoring according to claim 2, characterized in that: Positioning brackets (3) are provided on the outer wall of the base (1) on one side of the roller (2), and a threaded cylinder (4) is provided on the inner side of the positioning bracket (3).

4. A gas sampler for air pollution monitoring according to claim 3, characterized in that: The threaded cylinder (4) has a threaded rod (6) installed on its internal threads. The top end of the threaded rod (6) extends to the outside of the threaded cylinder (4) and is equipped with a crank handle (7). The bottom end of the threaded rod (6) extends to the outside of the threaded cylinder (4) and is provided with a foot (5).

5. A gas sampler for air pollution monitoring according to claim 1, characterized in that: A flexible tube (15) is provided on the lower outer wall of one side of the gas collecting cylinder (20). The end of the flexible tube (15) away from the turntable (14) extends into the interior of the collection box (8) and is provided with a first connecting pipe (23). The interior of the collection box (8) at the end of the first connecting pipe (23) away from the flexible tube (15) is provided with a second connecting pipe (24).

6. A gas sampler for air pollution monitoring according to claim 5, characterized in that: Inside the collection box (8) on the side of the second connecting pipe (24) away from the first connecting pipe (23), there are several sampling tubes (26). Each sampling tube (26) has a first valve tube (25) on one side of its outer wall. The end of the first valve tube (25) away from the sampling tube (26) is connected to the outer wall of the second connecting pipe (24). Each sampling tube (26) has a second valve tube (27) on the other side of its outer wall. The end of the second valve tube (27) away from the sampling tube (26) extends to the outside of the collection box (8).

Images