CN211602580U - Gas collecting device for atmosphere detection - Google Patents

Abstract

The utility model provides a can be used to atmospheric detection's gaseous collection system, include: the sealing port is an opening arranged on the side edge of the collection box and is sealed by a sealing cover; the spiral cover is arranged on the collecting port and is used for an inlet and an outlet of air bag collecting atmosphere; the utility model discloses a poor atmosphere makes the gasbag collect the atmosphere fast in the atmosphere, the elastic restoring force who adopts the poor atmosphere and gasbag equally when detecting exports the atmosphere, this kind of mode collecting box simple structure is and light, need not increase other complicated structures and loaded down with trivial details transmission, it is quick and effective to collect gas, gaseous collection and emission are realized to the use of spiral cover, its structural feature conveniently collects gas and exhaust gas, effectual isolation outside gas, avoid detecting inaccurately, the setting of a plurality of gasbags can make the sampling diversified under the condition that does not increase equipment burden, reach the purpose of accurate collection.

Description

Gas collecting device for atmosphere detection

The utility model relates to an atmosphere detects technical field, especially relates to the gaseous collection system who can be used to atmosphere detection.

Background

Atmospheric sampling refers to a method for collecting samples of pollutants or polluted air in the atmosphere, wherein the collection method is to make a large amount of air pass through a liquid absorbent or a solid adsorbent to enrich the pollutants with lower concentration in the atmosphere, such as an air suction method and a filter membrane method, and the collection method is to collect the air containing the pollutants by using containers, such as glass bottles, plastic bags and the like.

The gaseous collection system that current atmosphere that holds formula detected is comparatively complicated, and basically need drive through electric power and motor, need carry great power or utilize existing power just can operate when gathering the atmosphere, and the atmospheric mode accuracy of pure manual collection can not obtain guaranteeing again, the problem complicated and the equipment is heavy has often appeared in the operation, for example the publication number is CN208333995U, the name is a gaseous collection system who is used for the atmosphere to detect, realize atmospheric collection through motor and drive mechanism's relation of connection, this kind of mode can only gather once alone, if need sample the diversified many this equipment of needs configuration, the efficiency of collection has seriously been reduced, the process of collection is too complicated, can not very convenient outdoor collection. Therefore, how to improve current formula atmosphere collection system that holds, reduce mechanical structure, lightly easily carry, can gather multiple atmosphere and separately save is the utility model discloses the technical problem that needs the solution.

Disclosure of Invention

The utility model aims at providing an overcome above-mentioned problem or solve the gas collection system that can be used to atmosphere detection of above-mentioned problem at least partially to it is light to solve collection equipment, gathers the quick problem of atmosphere.

In order to achieve the above object, the technical solution of the present invention is specifically realized as follows: the utility model provides a can be used to gaseous collection system that atmosphere detected, including collection box and gasbag, the gasbag sets up inside the collection box, and collection box position cavity structure, the extreme point of collection box are equipped with collects the mouth, still include: the air bag collecting box comprises a collecting box body, a sealing opening is formed in the side edge of the collecting box body, a rotary cover is sealed through the sealing cover and installed on the collecting opening, and the rotary cover is used for an inlet and an outlet of air bag collecting atmosphere.

As a further aspect of the present invention, the collection port is disposed at both ends of the collection box.

As a further aspect of the present invention, the airbag is used for collecting atmospheric gas by fixing one end of the airbag opening to the collecting opening.

As the utility model discloses a further scheme, the inside cavity that is equipped with of collection box is equipped with the limiting plate in the middle of the cavity, is equipped with a plurality of connecting holes on the limiting plate, and the limiting plate is used for restricting the too big inflation of gasbag, and the connecting hole is used for the cavity of intercommunication limiting plate both sides.

As a further aspect of the utility model, the spiral cover both sides are the groove structure, are equipped with the division board in the spiral cover, are equipped with a plurality of gas pockets on the division board, and the gas pocket is used for the groove of intercommunication spiral cover both sides.

As a further aspect of the present invention, the screw cap of the other side of the isolation plate is provided with a second thread inside, and the second thread is used for connecting an external detection mechanism.

As the utility model discloses a further scheme, division board one side is equipped with the floor perpendicular with the division board, and the floor other end is equipped with the ball sealer, and the ball sealer is used for the shutoff to collect the mouth, and the spiral cover inside of ball sealer one side is equipped with first screw, and first screw is used for connecting and collects the mouth.

The utility model provides a can be used to atmospheric detection's gaseous collection system, beneficial effect lies in: the utility model discloses a poor atmosphere makes the gasbag collect the atmosphere fast in the atmosphere, the elastic restoring force who adopts the poor atmosphere and gasbag equally when detecting exports the atmosphere, this kind of mode collecting box simple structure is and light, need not increase other complicated structures and loaded down with trivial details transmission, it is quick and effective to collect gas, gaseous collection and emission are realized to the use of spiral cover, its structural feature conveniently collects gas and exhaust gas, effectual isolation outside gas, avoid detecting inaccurately, the setting of a plurality of gasbags can make the sampling diversified under the condition that does not increase equipment burden, reach the purpose of accurate collection.

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Drawings

Fig. 1 is a schematic view of a front half-section structure provided by an embodiment of the present invention.

Fig. 2 is a schematic view of a cross-sectional structure of the screw cap according to an embodiment of the present invention.

In the figure: 1. a collection box; 11. a cavity; 12. a collection port; 13. a limiting plate; 14. connecting holes; 2. sealing the opening; 3. an air bag; 4. screwing a cover; 41. a separator plate; 42. air holes; 43. a rib plate; 44. a sealing ball; 45. a first thread; 46. a second thread.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Fig. 1 and fig. 2 show the utility model provides a can be used to gaseous collection system that atmosphere detected, it is shown with fig. 1 and fig. 2 to see, the utility model provides a can be used to gaseous collection system that atmosphere detected, including collection box 1 and gasbag 3, gasbag 3 sets up inside collection box 1, and 1 position cavity structure of collection box, collection box 1's extreme point are equipped with collection mouth 12, still include: sealing port 2 and spiral cover 4, sealing port 2 sets up the opening in collection box 1 side, and is sealed through sealed lid, and spiral cover 4 is installed on collecting port 12, collects the both ends that port 12 set up at collection box 1, and spiral cover 4 is used for gasbag 3 to collect atmospheric import and export.

One end of the opening of the air bag 3 is fixedly connected with the collecting port 12, and the air bag 3 is used for collecting atmospheric gas.

The collecting box 1 is internally provided with a cavity 11, a limiting plate 13 is arranged in the middle of the cavity 11, the limiting plate 13 is provided with a plurality of connecting holes 14, the limiting plate 13 is used for limiting the overlarge expansion of the air bag 3, and the connecting holes 14 are used for communicating cavities on two sides of the limiting plate 13.

Two sides of the spiral cover 4 are of a groove structure, a separation plate 41 is arranged in the spiral cover 4, a plurality of air holes 42 are formed in the separation plate 41, and the air holes 42 are used for communicating the grooves on the two sides of the spiral cover 4; a second thread 46 is arranged inside the screw cap 4 at the other side of the isolation plate 41, and the second thread 46 is used for connecting an external detection mechanism; one side of the isolation plate 41 is provided with a rib 43 vertical to the isolation plate 41, the other end of the rib 43 is provided with a sealing ball 44, the sealing ball 44 is used for sealing the collection port 12, a first thread 45 is arranged inside the screw cap 4 on one side of the sealing ball 44, and the first thread 45 is used for connecting the collection port 12.

The air bag 3 is made of a material with elastic force, when gas is collected, the air bag 3 expands and simultaneously generates elastic restoring force, the air pressure in the air bag 3 is normal atmospheric pressure, and the air pressure of the cavity 11 and the detection device is lower than the normal atmospheric pressure.

The utility model discloses a theory of operation: the sealing port 2 of the device is filled with gas into the cavity 11 through a vacuum compressor, the screw cap 4 is rotated to prevent the sealing ball 44 from contacting with the collection port 12, the cavity 11 pushes the sealing ball 44 open due to the air pressure to discharge the air in the air bag 3, and then the first thread 45 of the screw cap 4 is screwed with the collection port 12; at this point, the air in the cavity 11 is evacuated by the vacuum compressor, a sub-atmospheric pressure value is established and the sealing cap is sealed, while the bladder 3 is still in the deflated state and the sealing ball 44 is tightly sucked, the collecting device is placed in the atmosphere to collect the air, the screw cap 4 is unscrewed, the atmosphere at the collecting position rapidly enters the bladder 3 through the air hole 42, the first thread 45 is then screwed down with the collecting port 12, bringing the collecting device into the testing apparatus, opening and second screw thread 46 fixed connection in the detection box with detection equipment detection atmosphere will detect the atmospheric pressure in the box and take out the vacuum that is less than cavity 11, unscrew first screw thread 45 once more, detect in the gas outgoing detection box of collecting under the elastic force of gasbag 3 and the air pressure combined action in the cavity 11, screw up first screw thread 45, wait to collect the atmosphere next time.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (8)

1. Gas collection system that can be used to atmosphere to detect, including collection box (1) and gasbag (3), gasbag (3) set up inside collection box (1), and collection box (1) position cavity structure, the extreme point of collection box (1) are equipped with and collect mouth (12), its characterized in that still includes:

the sealing opening (2) is an opening arranged on the side of the collection box (1) and is sealed by a sealing cover;

the spiral cover (4), spiral cover (4) are installed on collecting opening (12), and spiral cover (4) are used for gasbag (3) to collect atmospheric import and export.

2. The gas collecting device for atmosphere detection according to claim 1, wherein the open end of the air bag (3) is fixedly connected with the collecting port (12), and the air bag (3) is used for collecting atmosphere gas.

3. The gas collection device for atmosphere detection according to claim 1, wherein the sealing port (2) is communicated with the cavity (11), and the sealing port (2) is used for vacuumizing the cavity (11).

4. The gas collecting device for atmosphere detection according to claim 1, wherein a cavity (11) is arranged inside the collecting box (1), a limiting plate (13) is arranged in the middle of the cavity (11), a plurality of connecting holes (14) are formed in the limiting plate (13), the limiting plate (13) is used for limiting the excessive expansion of the airbag (3), and the connecting holes (14) are used for communicating the chambers on two sides of the limiting plate (13).

5. The gas collecting device for atmosphere detection according to claim 1, wherein two sides of the screw cap (4) are in a groove structure, a separation plate (41) is arranged in the screw cap (4), a plurality of air holes (42) are arranged on the separation plate (41), and the air holes (42) are used for communicating the grooves on the two sides of the screw cap (4).

6. The gas collection device for atmosphere detection according to claim 5, wherein the screw cap (4) on the other side of the isolation plate (41) is internally provided with a second thread (46), and the second thread (46) is used for connecting an external detection mechanism.

7. The gas collecting device for atmosphere detection according to claim 5, wherein a rib (43) perpendicular to the separating plate (41) is arranged at one side of the separating plate (41), a sealing ball (44) is arranged at the other end of the rib (43), the sealing ball (44) is used for sealing the collecting port (12), a first thread (45) is arranged inside the screw cap (4) at one side of the sealing ball (44), and the first thread (45) is used for connecting the collecting port (12).

8. The gas collecting device for atmospheric detection according to claim 1, wherein the pressure inside the bladder (3) is higher than the pressure inside the cavity (11), and the evacuation pressure in the detection apparatus is lower than the pressure inside the bladder (3).

Images