CN218035912U - Multichannel atmospheric sampling device - Google Patents

Abstract

The utility model discloses a multichannel atmospheric sampling device relates to gaseous sampling technical field. The power distribution box comprises a box body, the inside sampling mechanism that is provided with of box, sampling mechanism includes the sampling barrel, sampling barrel inner wall sliding connection has the board of taking out, box both sides inner wall rotates and is connected with two-way threaded rod, and runs through the sampling barrel completely, box one side fixedly connected with driving motor. The utility model discloses a set up and take out the clamp plate, an air inlet pipe, two-way threaded rod, the sliding block, cooperation between connecting block and the connecting rod, can inhale the gas outside the device to the sampling cylinder in, move down to the hose position that is less than sampling cylinder both ends intercommunication when taking out the clamp plate, make the inhaled gas carry two test tubes through both ends hose and collect, the in-process that detects is detecting through the gas of gathering to two test tubes, make the detected data have the contrast nature, compare in traditional atmosphere sampling device, make the data after the sampling of sampling device is accomplished more accurate.

Description

Multichannel atmospheric sampling device

Technical Field

The utility model relates to a gaseous sampling technical field specifically is a multichannel atmospheric sampling device.

Background

Gas sampling is a process of collecting samples of pollutants in the atmosphere or contaminated air samples, and the collection methods are of two types: one is to make a large amount of air pass through a liquid absorbent or a solid adsorbent to enrich pollutants with lower concentration in the atmosphere, such as an air extraction method and a filter membrane method, and the other is to collect air containing pollutants by using a container, wherein the former is measured by the average concentration of the pollutants in the atmosphere within sampling time; the latter measures the instantaneous concentration or average concentration in a short time, the sampling mode is determined according to the sampling purpose and the field situation, the sampled product is representative, the sampling efficiency is high, the operation is simple and convenient, and the subsequent analysis and measurement are convenient to obtain reliable basic information of the gas pollution.

In the conventional atmospheric sampling device, collected samples are gathered in a single storage container through a channel to wait for detection, the detection result has no contrast, and the accuracy of sampling data detection cannot be ensured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multichannel atmospheric sampling device 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: the utility model provides a multichannel atmospheric sampling device, the power distribution box comprises a box body, the inside sampling mechanism that is provided with of box, sampling mechanism includes the sampling cylinder, sampling cylinder inner wall sliding connection has the board of taking out, box both sides inner wall rotates and is connected with two-way threaded rod, and runs through the sampling cylinder completely, box one side fixedly connected with driving motor, two-way threaded rod one end fixed connection in the driving motor output, two-way threaded rod surface slip spiro union is connected with two sliding blocks, take out the board bottom central point and put the fixedly connected with connecting block, it is articulated through the connecting rod between connecting block both ends and the two sliding blocks, sampling cylinder top intercommunication has the intake pipe, the sampling cylinder both ends all communicate there is the hose, the hose other end all is provided with the anti-return stopper.

Preferably, box one end sets up and is connected with the bradyseism frame, bradyseism frame top inner wall is provided with two test tubes.

Preferably, the backflow-preventing plug comprises a plug body, the plug body is communicated with one end of the hose, and the bottom of the plug body is inserted into the inner wall of the top of the test tube.

Preferably, a plurality of shelves poles of cock body bottom fixedly connected with, it is a plurality of shelves pole surface sliding connection has the rubber cock board, the shelves pole is "T" type, a plurality of springs of fixedly connected with between shelves pole bottom top surface and the rubber cock board, the spring cup joints in shelves pole surface.

Preferably, the inner wall of the air inlet pipe is fixedly connected with a dust filter screen.

Preferably, reverse threads are formed in the surfaces of the two ends of the bidirectional threaded rod, and the two air inlet pipes are located on the surfaces of the reverse threads at the two ends respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

this multichannel atmospheric sampling device, through setting up the drawing board, the intake pipe, two-way threaded rod, the sliding block, cooperation between connecting block and the connecting rod, can inhale the outer gas of device to the sampling barrel in, move down to the hose position that is less than the sampling barrel both ends intercommunication when drawing the board, make the gas of inhaling carry two test tubes through both ends hose and collect in, the in-process that detects is through detecting the gas of gathering in two test tubes, make the detected data have the contrast nature, compare in traditional atmospheric sampling device, make the data after the sampling of sampling device is accomplished more accurate.

Simultaneously, set up the anti-return stopper when multichannel atmosphere sampling device, the gas that gets into in the test tube at first need pass through the anti-return stopper, bulldoze through getting into gaseous production, promote rubber cock board and support the pressure spring on the shelves pole surface and move down, when taking out the pressure board and go up to moving to the hose position that is higher than sampling cylinder both ends intercommunication, stop to carry out the work of admitting air to the hose, at this moment under the effect through the spring that sets up, make rubber cock board kick-back, and rubber cock roof surface is contradicted with the cock body bottom, sealing effect has been realized, avoid collecting the interior gas of test tube and in the play that flows back.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic structural view of the sampling mechanism of the present invention;

FIG. 3 is a schematic view of the main sectional structure of the present invention;

fig. 4 is a schematic structural view of the backflow prevention plug of the present invention.

In the figure: 1. a box body; 2. a sampling mechanism; 201. a sampling cartridge; 202. drawing the pressing plate; 203. an air inlet pipe; 204. a bidirectional threaded rod; 205. a drive motor; 206. a slider; 207. connecting blocks; 208. a connecting rod; 3. a cushioning frame; 4. a test tube; 5. a backflow prevention plug; 501. a plug body; 502. a gear lever; 503. a rubber plug plate; 504. a spring; 6. a hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-4, the utility model provides a technical solution: a multi-channel atmospheric sampling device comprises a box body 1, a sampling mechanism 2 is arranged in the box body 1, the sampling mechanism 2 comprises a sampling cylinder 201, the inner wall of the sampling cylinder 201 is connected with a pressure plate 202 in a sliding way, the inner walls of two sides of the box body 1 are connected with a two-way threaded rod 204 in a rotating way and completely penetrate through the sampling cylinder 201, one side of the box body 1 is fixedly connected with a driving motor 205, one end of the two-way threaded rod 204 is fixedly connected with the output end of the driving motor 205, the surface of the two-way threaded rod 204 is connected with two sliding blocks 206 in a sliding and screw joint way, a connecting block 207 is fixedly connected with the central position of the bottom of the pressure plate 202, two ends of the connecting block 207 are hinged with the two sliding blocks 206 through a connecting rod 208, the top of the sampling cylinder 201 is communicated with an air inlet pipe 203, two ends of the sampling cylinder 201 are communicated with hoses 6, the other ends of the hoses 6 are provided with anti-return plugs 5, and when the sampling mechanism 2 is used for sampling the atmosphere, the two-way threaded rod 204 is driven by the driving motor 205 arranged on one side of the box body 1 to rotate, the two-way threaded rod 204 drives the two sliding blocks 206 to move oppositely or oppositely in the rotating process, the gas outside the device is sucked into the sampling cylinder 201 through the air inlet pipe 203 through the hinging relation between the connecting rod 208 and the sliding blocks 206 and the hinging relation between the top ends of the two connecting rods 208 and the two ends of the connecting block 207, the sucking gas can be effectively pushed to slide up and down on the inner wall of the sampling cylinder 201, the sucking gas is conveyed into the two test tubes 4 through the hoses 6 at the two ends to be collected when the sucking plate 202 moves down to the position lower than the hose 6 communicated with the two ends of the sampling cylinder 201, the gas collected in the two test tubes 4 is detected in the detecting process, and the detected data have contrast, compare in traditional atmosphere sampling device, make the data after the sampling of sampling device is accomplished more accurate, can effectually place the gas of collection in flowing back sampling cylinder 201 through the anti-return stopper 5 that sets up.

As a specific embodiment, 1 one end setting of box is connected with bradyseism frame 3, 3 top inner walls of bradyseism frame are provided with and are provided with two test tubes 4, bradyseism frame 3 through the setting can increase the bradyseism effect to storing with test tube 4, avoid causing the damage to test tube 4, backflow-preventing plug 5 includes cock body 501, cock body 501 is linked together with 6 one end of hose, cock body 501 bottom is pegged graft in 4 top inner walls of test tube, cock body 501 through the setting, cock body 501 adopts the rubber material to make, fine wearability has, very high elasticity, tear strength and elongation. The anti-aging test tube plug is easy to age in air, becomes sticky when being heated, is easy to expand and dissolve in mineral oil or gasoline, is alkali-resistant but not strong acid-resistant, can effectively carry out the sealing connection of the hose 6 and the test tube 4, the bottom of the plug body 501 is fixedly connected with a plurality of baffle rods 502, the surfaces of the plurality of baffle rods 502 are slidably connected with rubber plug plates 503, the baffle rods 502 are in an inverted T shape, a plurality of springs 504 are fixedly connected between the top surface of the bottom of the baffle rods 502 and the rubber plug plates 503, the springs 504 are sleeved on the surfaces of the baffle rods 502, gas entering the test tube 4 through the hose 6 firstly needs to pass through the anti-backflow plug 5, and pushes the rubber plug plates 503 to press the springs 504 to move downwards on the surfaces of the baffle rods 502 through the pushing force generated by the entering gas, when taking out clamp plate 202 and moving up to the hose 6 position that is higher than cartridge 201 both ends intercommunication, stop to admit air work to hose 6, at this moment make rubber cock 503 kick-back and conflict bottom cock body 501 under the effect of the spring 504 that sets up, sealed effect has been realized, avoid collecting test tube 4 internal gas in the backward flow play, influence the sampling effect, intake pipe 203 inner wall fixedly connected with dust filter screen, can effectually avoid inhaling the dust in the gas and other foreign matters in the cartridge 201, reverse screw thread has been seted up on two-way threaded rod 204 both ends surface, two intake pipe 203 are located the reverse screw surface at both ends respectively.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a multichannel atmosphere sampling device, includes box (1), its characterized in that: the utility model discloses a sampling device, including box (1), sampling mechanism (2) are including cartridge (201), cartridge (201) inner wall sliding connection has pressure plate (202), box (1) both sides inner wall rotates and is connected with two-way threaded rod (204), and runs through cartridge (201) completely, box (1) one side fixedly connected with driving motor (205), two-way threaded rod (204) one end fixed connection is in driving motor (205) output, two-way threaded rod (204) sliding surface spiro union is connected with two sliding blocks (206), pressure plate (202) bottom central point puts fixedly connected with connecting block (207), it is articulated through connecting rod (208) between connecting block (207) both ends and two sliding blocks (206), cartridge (201) top intercommunication has intake pipe (203), cartridge (201) both ends all communicate there are hose (6), hose (6) other end all is provided with anti-return stopper (5).

2. A multi-channel atmospheric sampling device as defined in claim 1, wherein: box (1) one end sets up to be connected with bradyseism frame (3), bradyseism frame (3) top inner wall is provided with two test tubes (4).

3. A multi-channel atmospheric sampling device as recited in claim 1, further comprising: the backflow prevention plug (5) comprises a plug body (501), the plug body (501) is communicated with one end of the hose (6), and the bottom of the plug body (501) is inserted into the inner wall of the top of the test tube (4).

4. A multi-channel atmospheric sampling device as defined in claim 3, wherein: stopper body (501) bottom fixedly connected with a plurality of shelves pole (502), it is a plurality of shelves pole (502) surface sliding connection has rubber cock board (503), shelves pole (502) are "T" type, a plurality of springs (504) of fixedly connected with between shelves pole (502) bottom top surface and rubber cock board (503), spring (504) cup joint in shelves pole (502) surface.

5. A multi-channel atmospheric sampling device as defined in claim 1, wherein: the inner wall of the air inlet pipe (203) is fixedly connected with a dust filter screen.

6. A multi-channel atmospheric sampling device as recited in claim 1, further comprising: reverse threads are formed in the surfaces of the two ends of the bidirectional threaded rod (204), and the two air inlet pipes (203) are located on the surfaces of the reverse threads at the two ends respectively.

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