CN214702937U

CN214702937U - Air sampling device for environmental protection

Info

Publication number: CN214702937U
Application number: CN202120620258.7U
Authority: CN
Inventors: 何金辉; 焦旭东
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-12
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses an air sampling device for environmental protection, relate to air sampling device technical field, including setting up the vacuum flask in order to make things convenient for the collection of air sample, set up exhaust apparatus in order to get rid of interfering gas, specifically, set up the shell in order to support whole exhaust apparatus on the second air duct, set up the clamp plate in the shell upper end and drive the depression bar to move about from top to bottom, the movable rod drives the rubber buffer activity, baffle and dog cooperation make through-hole and export only can one-way ventilate, the second pivot is used for supporting the activity of baffle, the torsional spring is used for resetting the baffle, air sample gets into exhaust apparatus from the export when avoiding gathering the sample, set up the filter screen at the collection head front end and avoid impurity to get into the air duct, make the air duct block up; the utility model discloses simple structure can gather the sample many times, has fine use spreading value.

Description

Air sampling device for environmental protection

Technical Field

The utility model relates to an air sampling device technical field, concretely relates to air sampling device for environmental protection.

Background

The environmental protection is a general term for various actions taken by human beings for solving real or potential environmental problems, the relation between human beings and the environment is coordinated, the sustainable development of economy and society is guaranteed, the environmental pollution is gradually aggravated, the protection needs to be carried out in time, air needs to be collected in the environmental protection operation, and in many times, the air needs to be sampled for many times, most air collection equipment cannot carry out air sampling for many times, and the existing multiple collection equipment cannot avoid mutual interference of the air.

Disclosure of Invention

The utility model is directed to the above problem, a air sampling device for environmental protection is provided, the problem of unable many times sampling has been solved.

The utility model adopts the technical proposal that: comprises a box body, a vacuum bottle, a second air duct, a valve, an exhaust device, a collecting head, a filter screen and a first air duct;

the vacuum box is characterized in that a plurality of vacuum bottles are arranged in the box body, valves are arranged at bottle openings of the vacuum bottles, the front ends of the valves are connected with first air guide tubes, exhaust devices are arranged on the first air guide tubes, the front ends of the first air guide tubes are connected with second air guide tubes, collecting heads are arranged at the front ends of the second air guide tubes, and filter screens are arranged at the front ends of the collecting heads.

Further, the exhaust device comprises a pressure plate, a pressure rod, a rubber plug, an outlet and a shell; the outer shell that is connected with of second air duct, the shell top is equipped with the clamp plate, the clamp plate lower extreme is equipped with the depression bar, be equipped with the universal joint between clamp plate and the depression bar, the depression bar lower extreme runs through the cover and is equipped with the rubber buffer, the shell tail end is equipped with the export, export and second air duct through connection.

Furthermore, a through hole penetrates through the pressing rod, and a protective net is arranged at an opening at the upper end of the through hole.

Furthermore, the pressing plate is rotatably connected with the shell through a first rotating shaft.

Furthermore, through-hole tail end and exit all are equipped with the baffle, two the baffle rotates with the lateral wall of export lateral wall and through-hole respectively through the second pivot and is connected, two the baffle upper end all is equipped with the dog, the dog can be dismantled with the baffle and be connected, second pivot both ends all overlap and are equipped with the torsional spring.

Furthermore, the second rotating shafts penetrate through the baffle and are rotatably connected with the baffle, and two ends of each of the two second rotating shafts are respectively connected with the side wall of the outlet and the side wall of the through hole; and one ends of the four torsion springs are connected with the outlet side wall and the side wall of the through hole, and the other ends of the four torsion springs are connected with the bottom of the baffle.

The utility model has the advantages that: the utility model provides an air sampling device for environmental protection, through setting up the vacuum flask in order to make things convenient for the collection of air sample, set up exhaust apparatus in order to get rid of interfering gas, specifically, set up the shell in order to support whole exhaust apparatus on the second air duct, set up the clamp plate in the shell upper end and drive the depression bar and move about, the movable rod drives the rubber buffer activity, baffle and dog cooperation make through-hole and export can only one-way ventilate, the second pivot is used for supporting the activity of baffle, the torsional spring is used for resetting the baffle, air sample gets into exhaust apparatus from the export when avoiding gathering the sample, set up the filter screen at the collection head front end and avoid impurity to get into the air duct, make the air duct block up; the utility model discloses simple structure can gather the sample many times, has fine use spreading value.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

Fig. 1 is a schematic view of the overall structure of the present invention;

figure 2 is an expanded schematic view of a drum wall of the present invention;

FIG. 3 is a schematic view of the exhaust apparatus of the present invention;

fig. 4 is a schematic view of the baffle of the present invention.

Reference numerals:

1 is a box body, 2 is a vacuum bottle, 3 is a second air duct, 4 is a valve, 5 is an exhaust device, 6 is a collecting head, 7 is a filter screen, 8 is a first air duct, 501 is a pressure plate, 502 is a pressure lever, 503 is a rubber plug, 504 is an outlet, 505 is a first rotating shaft, 506 is a baffle, 507 is a stop, 508 is a second rotating shaft, 509 is a torsion spring, 5010 is a shell, 5011 is a protective net, 5012 is a universal joint, and 5021 is a through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the 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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 4, an air sampling device for environmental protection includes a box 1, a vacuum bottle 2, a second air duct 3, a valve 4, an exhaust device 5, a collecting head 6, a filter screen 7, a second valve 8 and a first air duct 8; be equipped with a plurality of vacuum bottles 2 in the box 1, be used for gathering the air sample, 2 bottleneck departments of vacuum bottle all are equipped with valve 4, control vacuum bottle 2's switch, valve 4 front end is connected with first air duct 8, be equipped with exhaust apparatus 5 on the

first air duct

8, 8 front ends of first air duct are connected with second air duct 3, first air duct 8 and second air duct 3 are used for the air guide effect, exhaust apparatus 5 is used for discharging the residual gas in first air duct 8 and the second air duct 3 when gathering different samples in order to avoid disturbing another collection, 3 front ends of second air duct are equipped with

collection head

6, 6 front ends of collection head are equipped with filter screen 7, collection head 6 is as the entry of air, debris entering air duct are avoided to filter screen 7.

The exhaust device 5 comprises a pressure plate 501, a pressure rod 502, a rubber plug 503, an outlet 504 and a housing 5010; 3 outer couplings of second air duct have shell 5010, and shell 5010 top is equipped with clamp plate 501, and shell 5010 supports whole exhaust apparatus 5, and clamp plate 501 lower extreme is equipped with depression bar 502, is equipped with universal joint 5012 between clamp plate 501 and the depression bar 502, and clamp plate 501 is used for activity depression bar 502, and depression bar 502 lower extreme runs through the cover and is equipped with rubber buffer 503, and depression bar 502 is used for driving rubber buffer 503, and shell 5010 tail end is equipped with export 504, and

export

504 and 3 through connections of second air duct are used for giving vent to anger.

A through hole 5021 is arranged in the compression bar 502 in a penetrating manner for air intake, and a protective net 5011 is arranged at an opening at the upper end of the through hole 5021 for blocking sundries.

The pressing plate 501 is rotatably connected with the housing 5010 through a first rotating shaft 505, so that the pressing plate 501 can move conveniently.

Baffles 506 are arranged at the tail end of the through hole 5021 and the outlet 504, the two baffles 506 are respectively and rotatably connected with the side wall of the outlet 504 and the side wall of the through hole 5021 through a second rotating shaft 508, stoppers 507 are arranged at the upper ends of the two baffles 506, the stoppers 507 are detachably connected with the baffles 506, and torsion springs 509 are sleeved at the two ends of the second rotating shaft 508; the second rotating shafts 508 are rotatably connected with the bottoms of the baffles 506, the second rotating shafts 508 are used for supporting the baffles 506, and two ends of each of the two second rotating shafts 508 are respectively connected with the side wall of the outlet 504 and the side wall of the through hole 5021; four torsional spring 509 one ends are connected with export 504 lateral wall and through-hole 5021's lateral wall respectively, and the other end is connected with baffle 506 bottom, and torsional spring 509 makes baffle 506, can reset, and air gets into exhaust apparatus 5 from export 504 during avoiding gas collection, and dog 507 and baffle 506 cooperation make through-hole 5021 and export 504 be one-way ventilation.

The utility model discloses a use method: when the sampling device is used, the sampling device is placed in air to be collected, the pressure plate 501 is moved, the pressure plate 501 drives the pressure rod 502 to move up and down, the pressure rod 502 drives the rubber plug 503 to move, when the rubber plug 503 moves upwards, the air pressure in the cavity at the lower end of the rubber plug 503 is reduced, the baffle 506 at the outlet 504 cannot be turned upwards due to the stop 507 at the outlet 504, air cannot enter from the outlet 504, the baffle 506 at the through hole 5021 cannot be turned downwards due to the external air pressure, the external air enters the cavity at the lower end of the rubber plug 503, the baffle 506 at the through hole 5021 returns to the original position as the air pressure in the cavity at the lower end of the rubber plug 503 is increased, when the rubber plug 503 moves downwards, the air in the cavity at the lower end of the rubber plug 503 is compressed by the rubber plug 503, the baffle 506 at the through hole 5021 cannot be turned upwards due to the stop 507 at the through hole 5021, the air in the cavity at the lower end of the rubber plug 503 cannot pass through the through hole 5021, the pressure causes the baffle 506 to be turned downwards due to flush the air in the first air duct 8 at the cavity at the lower end of the rubber plug 503, the residual gas in the first air duct 8 and the second air duct 3 is flushed out from the collecting head 6, the reciprocating operation is carried out for several times, the residual interference air can be discharged, then one of the valves 4 is opened, the external air enters the second air duct 3 from the collecting head 6, then enters the vacuum bottle 2 through the first air duct 8, the valve 4 is closed after the collection is finished, and the steps can be repeated if the samples need to be collected for multiple times.

The utility model provides an air sampling device for environmental protection, through setting up the vacuum flask in order to make things convenient for the collection of air sample, set up exhaust apparatus in order to get rid of interfering gas, specifically, set up the shell in order to support whole exhaust apparatus on the second air duct, set up the clamp plate in the shell upper end and drive the depression bar and move about, the movable rod drives the rubber buffer activity, baffle and dog cooperation make through-hole and export can only one-way ventilate, the second pivot is used for supporting the activity of baffle, the torsional spring is used for resetting the baffle, air sample gets into exhaust apparatus from the export when avoiding gathering the sample, set up the filter screen at the collection head front end and avoid impurity to get into the air duct, make the air duct block up; the utility model discloses simple structure can gather the sample many times, has fine use spreading value.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An air sampling device for environmental protection is characterized by comprising a box body (1), a vacuum bottle (2), a second air duct (3), a valve (4), an exhaust device (5), a collecting head (6), a filter screen (7) and a first air duct (8); be equipped with a plurality of vacuum bottles (2) in box (1), it is a plurality of vacuum bottle (2) bottleneck department all is equipped with valve (4), valve (4) front end is connected with first air duct (8), be equipped with exhaust apparatus (5) on first air duct (8), it is a plurality of first air duct (8) front end all is connected with second air duct (3), second air duct (3) front end is equipped with collection head (6), collection head (6) front end is equipped with filter screen (7).

2. The environmentally friendly air sampling device according to claim 1, wherein the vent device (5) comprises a pressure plate (501), a pressure lever (502), a rubber stopper (503), and a housing (5010); second air duct (3) external connection has shell (5010), shell (5010) top is equipped with clamp plate (501), clamp plate (501) lower extreme is equipped with depression bar (502), be equipped with universal joint (5012) between clamp plate (501) and depression bar (502), depression bar (502) lower extreme runs through the cover and is equipped with rubber buffer (503), shell (5010) tail end is equipped with export (504), export (504) and second air duct (3) through connection.

3. The air sampling device for environmental protection according to claim 2, wherein a through hole (5021) penetrates through the pressure lever (502), and a protective net (5011) is arranged at an opening at the upper end of the through hole (5021).

4. The environmental protection air sampling device of claim 2, wherein the pressure plate (501) is rotatably connected to the housing (5010) by a first hinge (505).

5. The air sampling device for environmental protection according to claim 3, wherein baffles (506) are arranged at the tail end of the through hole (5021) and the outlet (504), the two baffles (506) are respectively and rotatably connected with the side wall of the outlet (504) and the side wall of the through hole (5021) through a second rotating shaft (508), a stop dog (507) is arranged at the upper end of each baffle (506), the stop dog (507) is detachably connected with the baffle (506), and torsion springs (509) are sleeved at the two ends of the second rotating shaft (508).

6. The air sampling device for environmental protection according to claim 5, wherein the second rotating shafts (508) penetrate through the baffle (506) and are rotatably connected with the baffle, and two ends of the two second rotating shafts (508) are respectively connected with the side wall of the outlet (504) and the side wall of the through hole (5021); one ends of the four torsion springs (509) are respectively connected with the side wall of the outlet (504) and the side wall of the through hole (5021), and the other ends of the four torsion springs are connected with the bottom of the baffle (506).