Sampling device of gaseous sample for environmental detection

Abstract

The utility model discloses a gaseous sample sampling device for environmental detection, which comprises a base plate and a control bin, the control bin is arranged on the base plate, a sampling bin is arranged at the top of the base plate, the sampling bin is arranged on one side of the control bin, and exhaust pipes are uniformly distributed on the side surface of the sampling bin far away from the control bin. The piston column is controlled to move in the sampling bin through the notification bin, the piston column moves in the sampling bin, on one hand, external air can be sucked into the sampling bin, on the other hand, original air in the sampling bin can be extruded out of the sampling bin, and therefore the sampling efficiency is improved. The air in the sampling bin is guaranteed to be all gaseous samples after sampling, and the problem that in the background technology, sampling is completed after sampling air is pumped into the sampling bin and waits for a period of time, but original air in the sampling mode cannot be guaranteed to be exhausted is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to environmental detection technical field, especially relate to a sampling device for gaseous sample of environmental detection. BACKGROUND

[0002] Air refers to the gas mixture in the earth's atmosphere, with the increasing progress of industrial technology, the pollution behind industry is also increasingly heavy, therefore we need to sample and detect air. At present, the sampling device for gaseous sample usually exists normal air inside, then sampling air is drawn into the inside, after waiting for a period of time, sampling is completed, but the original air in the inside cannot be guaranteed to be discharged in this sampling mode. Therefore, a sampling device for gaseous sample of environmental detection is provided. CONTENT OF UTILITY MODEL

[0003] The utility model discloses a kind of sampling devices for gaseous sample of environmental detection, which can overcome the problems of the prior art, such as the original air in the inside cannot be guaranteed to be discharged, by notifying the movement of the piston column in the sampling bin through the control bin, ensuring that the air in the sampling bin after sampling is all gaseous sample.

[0004] To achieve the above object, the utility model provides a kind of sampling device for gaseous sample of environmental detection, including base plate and control bin, the control bin is located on base plate, the base plate top is equipped with sampling bin, the sampling bin is equipped with on one side of control bin, the side of sampling bin away from control bin is evenly distributed and is equipped with suction tube, the outer side of sampling bin is equipped with sealing ring, the sealing ring is inserted into suction tube.

[0005] Preferably, the control bin includes a bin body, a piston column, a fixed block, a control rod, a screw nut, a drive motor, and a screw rod. The bin body is located on the top of the base plate. The fixed block is located on the inner wall side of the bin body. The drive motor is located on the outer side of the bin body. One end of the screw rod is rotatably located in the fixed block. The other end of the screw rod is fixedly connected to the drive motor. The screw nut is sleeved on the screw rod. The control rod is symmetrically located on both sides of the screw nut. The control rod moves through the sidewall of the bin body and the sampling bin. The piston column moves in the sampling bin and is fixedly connected to the control rod.

[0006] Preferably, a through hole is provided through the sidewall of the sampling bin. The through hole is located on the side of the sampling bin close to the control bin.

[0007] Preferably, the sealing ring includes a ring body and a plug. The plug is inserted into the suction tube. The ring body is located on the side of the plug.

[0008] Preferably, an outer sealing tube is evenly distributed on the side of the ring body. The outer sealing tube is sleeved on the outer side of the suction tube.

[0009] Preferably, the base plate is symmetrically provided with a connecting plate, and the connecting plate is arranged below the control bin and the sampling bin respectively.

[0010] Preferably, the screw nut is symmetrically provided with a connecting rod on both sides, and the connecting rod is fixedly connected to the control rod.

[0011] Preferably, the inner wall of the bin body is symmetrically provided with a sliding rail, a sliding block is movably sleeved on the sliding rail, and the sliding block is fixedly connected to the connecting rod.

[0012] The gaseous sample sampling device for environmental detection has the advantages that:

[0013] The piston column moves in the sampling bin, on one hand, air outside is drawn into the sampling bin, and on the other hand, original air in the sampling bin is extruded out of the sampling bin, so that the air in the sampling bin after sampling is all gaseous samples, and the problem that original air in the interior cannot be guaranteed to be discharged in the sampling mode is solved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a whole structure schematic view of the gaseous sample sampling device for environmental detection.

[0015] Figure 2 is a structure schematic view of the air suction pipe in the gaseous sample sampling device for environmental detection.

[0016] Figure 3 is an internal structure schematic view of the control bin in the gaseous sample sampling device for environmental detection.

[0017] Figure 4 is a structure schematic view of the sealing ring in the gaseous sample sampling device for environmental detection.

[0018] In the figure: 1, base plate; 2, control bin; 3, sampling bin; 4, air suction pipe; 5, sealing ring; 6, bin body; 7, piston column; 8, fixed block; 9, control rod; 10, screw nut; 11, driving motor; 12, screw rod; 13, through hole; 14, ring body; 15, outer sealing pipe; 16, plug; 17, sliding block; 18, connecting plate; 19, connecting rod; 20, sliding rail. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings Figures 1-4In order to make the technical solutions of the embodiments of the present application clear and complete, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application, and does not indicate or imply that the device or element referred to must have a particular orientation, a particular orientation structure and operation, and therefore cannot be understood as a limitation of the present application.

[0021] The embodiment provides a sampling device for gaseous samples for environmental detection, which comprises a base plate 1 and a control bin 2, the control bin 2 is arranged on the base plate 1, a sampling bin 3 is arranged on the top of the base plate 1, the sampling bin 3 is arranged on one side of the control bin 2, symmetrical connecting plates 18 are arranged on the base plate 1, the connecting plates 18 are arranged below the control bin 2 and the sampling bin 3 respectively, suction pipes 4 are uniformly arranged on the side of the sampling bin 3 away from the control bin 2, sealing rings 5 are arranged on the outer side of the sampling bin 3, and the sealing rings 5 are inserted into the suction pipes 4.

[0022] In one embodiment, specifically, the control bin 2 comprises a bin body 6, a piston column 7, a fixed block 8, a control rod 9, a lead screw nut 10, a driving motor 11 and a lead screw 12, the bin body 6 is arranged on the top of the base plate 1, the fixed block 8 is arranged on the side of the inner wall of the bin body 6, the driving motor 11 is arranged on the outer side of the bin body 6, one end of the lead screw 12 is rotatably arranged in the fixed block 8, the other end of the lead screw 12 is fixedly connected to the driving motor 11, the lead screw nut 10 is sleeved on the lead screw 12, the control rod 9 is symmetrically arranged on the two sides of the lead screw nut 10, the control rod 9 moves through the side walls of the bin body 6 and the sampling bin 3, the piston column 7 moves in the sampling bin 3 and is fixedly connected to the control rod 9, connecting rods 19 are symmetrically arranged on the two sides of the lead screw nut 10, the connecting rods 19 are fixedly connected to the control rod 9, slide rails 20 are symmetrically arranged on the inner wall of the bin body 6, and sliding blocks 17 are movably sleeved on the slide rails 20 and are fixedly connected to the connecting rods 19.

[0023] In one embodiment, specifically, a through hole 13 is arranged through the side wall of the sampling bin 3, and the through hole 13 is arranged on the side of the sampling bin 3 close to the control bin 2.

[0024] In one embodiment, specifically, the sealing ring 5 comprises a ring body 14, an outer sealing tube 15 and a plug 16, the plug 16 is inserted into the air suction tube 4, the ring body 14 is arranged on the side of the plug 16, and the outer sealing tube 15 is uniformly arranged on the side of the ring body 14 and sleeved on the outer side of the air suction tube 4.

[0025] The working process of the sampling device for gaseous samples in the environment detection in the embodiment is as follows: when the air sampling is prepared, the piston column 7 is moved to one end close to the air suction tube 4 in the sampling chamber 3, then the driving motor 11 is started, the driving motor 11 drives the lead screw 12 to rotate, the lead screw 12 drives the control rod 9 to move through the lead screw nut 10, the piston column 7 is driven to move towards the direction of the through hole 13 through the control rod 9, on one hand, the external air is sucked into the sampling chamber 3 through the air suction tube 4, and on the other hand, the original air in the sampling chamber 3 is contacted through the through hole 13, the piston column 7 separates the sucked air and the original air in the sampling chamber 3, then when the piston column 7 moves to the vicinity of the through hole 13, the driving motor 11 is stopped, the plug 16 of the sealing ring 5 is manually inserted into the air suction tube 4 by the worker, and at the same time, the outer sealing tube 15 is sleeved on the outer side of the air suction tube 4, and the sampling is completed.

[0026] The above is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as the modifications or supplements or replacements do not deviate from the structure of the utility model or exceed the range defined by the present application, and should belong to the protection range of the utility model.

Claims

1. A sampling device for gaseous samples for environmental detection, characterized in that, Including the base plate (1) and control warehouse (2), the control warehouse (2) is arranged on the base plate (1), the top of the base plate (1) is provided with a sampling warehouse (3), the sampling warehouse (3) is arranged on one side of the control warehouse (2), the side of the sampling warehouse (3) away from the control warehouse (2) is uniformly provided with a suction pipe (4), and the outer side of the sampling warehouse (3) is provided with a sealing ring (5), the sealing ring (5) is inserted into the suction pipe (4); The control warehouse (2) includes a warehouse body (6), a piston column (7), a fixed block (8), a control rod (9), a screw nut (10), a driving motor (11) and a screw rod (12), the warehouse body (6) is arranged on the top of the base plate (1), the fixed block (8) is arranged on the inner wall side of the warehouse body (6), the driving motor (11) is arranged on the outer side of the warehouse body (6), one end of the screw rod (12) is rotatably arranged in the fixed block (8), the other end of the screw rod (12) is fixedly connected to the driving motor (11), the screw nut (10) is sleeved on the screw rod (12), the control rod (9) is symmetrically arranged on both sides of the screw nut (10), the control rod (9) moves through the side wall of the warehouse body (6) and the sampling warehouse (3), and the piston column (7) is movably arranged in the sampling warehouse (3) and is fixedly connected to the control rod (9).

2. The sampling device for gaseous samples for environmental detection according to claim 1, characterized in that, The side wall of the sampling warehouse (3) is provided with a through hole (13), and the through hole (13) is arranged on the side of the sampling warehouse (3) close to the control warehouse (2).

3. The sampling device for gaseous samples for environmental detection according to claim 1, characterized in that, The sealing ring (5) includes a ring body (14) and a plug (16), the plug (16) is inserted into the suction pipe (4), and the ring body (14) is arranged on the side of the plug (16).

4. The sampling device for gaseous samples for environmental detection according to claim 3, characterized in that, The outer sealing pipe (15) is arranged on the outer side of the suction pipe (4).

5. The sampling device for gaseous samples for environmental detection according to claim 1, characterized in that, The base plate (1) is symmetrically provided with a connecting plate (18), and the connecting plate (18) is arranged below the control warehouse (2) and the sampling warehouse (3) respectively.

6. The sampling device for gaseous samples for environmental detection according to claim 1, characterized in that, The screw nut (10) is symmetrically provided with a connecting rod (19) on both sides, and the connecting rod (19) is fixedly connected to the control rod (9).

7. The sampling device for gaseous samples for environmental detection according to claim 6, characterized in that, The inner wall of the warehouse body (6) is symmetrically provided with a sliding rail (20), the sliding rail (20) is movably sleeved with a sliding block (17), and the sliding block (17) is fixedly connected to the connecting rod (19).

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