Air collecting device for environmental protection detection

Abstract

The utility model is applicable to the technical field of environmental protection detection, and provides an air collecting device for environmental protection detection, which comprises a collecting box for collecting air for environmental protection detection, a plurality of air collecting bottles for collecting and containing air samples are arranged in the collecting box, and pressure valves are arranged at the air inlet ends of the plurality of air collecting bottles; the collecting pump is used for pumping air and is arranged in the collecting box; the separable flow dividing pipes are used for guiding air into the corresponding air collecting bottles and are arranged in the collecting box, and knob type movable joints used for being connected with pressure valves are arranged at the air outlet ends of the flow dividing pipes. According to the air collecting device for environmental protection detection, through the integrated design, the compactness and portability of the device are improved, and the sampling work is more efficient and convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of environmental protection detection, and in particular relates to an air collection device for environmental protection detection. Background Art

[0002] As environmental pollution becomes increasingly serious, the monitoring of ambient air quality becomes particularly important. Air collection for environmental testing is to collect samples from the ambient air through a special air collection device for subsequent analysis and testing. This process is of great significance for evaluating ambient air quality, monitoring pollutant concentrations, and formulating environmental protection policies.

[0003] However, although air collection technology for environmental testing plays an important role in environmental protection work, existing air collection devices for environmental testing often have problems that cannot be ignored. Specifically, many devices face many difficulties in carrying, transporting and on-site deployment due to their large size and heavy weight. Especially in complex terrain areas such as outdoor environments and mountainous areas, these large air collection devices are often difficult to adapt to the on-site environment, resulting in great restrictions on the implementation of detection work; taking the patent document with authorization announcement number CN219046031U as an example, the air collection device for environmental testing disclosed in the patent has certain advanced functions, but it also has the problems of large size and heavy weight. This large device requires special transportation tools when carrying, which increases transportation costs and time costs; more manpower and material support are required during deployment, which greatly reduces the efficiency of detection work. Utility Model Content

[0004] The utility model provides an air collection device for environmental protection detection, aiming to solve the problem that the current air collection device for environmental protection detection is inconvenient to carry.

[0005] The utility model is implemented as follows: an air collection device for environmental detection comprises: a collection box for collecting air for environmental detection, wherein a plurality of gas collecting bottles for collecting and containing air samples are arranged in the collection box, and pressure valves are arranged on the air inlet ends of the plurality of gas collecting bottles; a collection pump for pumping air, wherein the collection pump is arranged in the collection box; a detachable shunt pipe for guiding air into the corresponding gas collecting bottles, wherein the shunt pipe is arranged in the collection box, and a knob-type flexible joint for connecting the pressure valve is arranged on the air outlet end of the shunt pipe; an air outlet pipe, wherein the air outlet pipe is fixedly mounted on the air outlet end of the collection pump, and the air outlet end of the air outlet pipe is fixedly connected to the air inlet end of the shunt pipe; a cross-body backpack strap, wherein the strap is arranged on the collection box; a handle for grasping and carrying, wherein the handle is arranged on the collection box; a filtering mechanism for filtering large impurities, wherein the filtering mechanism is arranged in the collection box.

[0006] Preferably, the filtering mechanism includes: a purification box fixed in the collection box; an air duct fixedly connected to the air outlet end of the purification box, the air outlet end of the air duct being fixedly connected to the air inlet end of the collection pump; an air inlet pipe fixedly connected to the air inlet end of the purification box, the air inlet end of the air inlet pipe extending out of the collection box; a detachable filter plate arranged in the purification box; and a detachable cover plate arranged on the purification box.

[0007] Preferably, a plurality of seats for placing the gas collecting bottles are provided in the collection box, a telescopic collection tube is fixedly mounted on the gas inlet end of the gas inlet pipe, and a gas collecting hood is provided on the gas inlet end of the collection tube.

[0008] Preferably, a hanging ring is symmetrically fixedly installed on the top of the collection box, and a hook for assembling the shoulder strap is provided on the hanging ring, and the hook is fixedly connected to the shoulder strap.

[0009] Preferably, hooks for limiting position are fixedly mounted on both sides of the cover plate, and buckles that can be engaged with or separated from the hooks are symmetrically arranged on both sides of the purification box.

[0010] Preferably, an opening and closing box door is provided on one side of the collection box, and a visual observation window, a hinge and a door lock are provided on the box door, and the hinge is fixedly connected to the collection box.

[0011] Preferably, an anti-sliding block is symmetrically fixedly installed on the bottom of the collection box, and an arc-shaped tube clamp for hooking the collection tube is fixedly installed on one side of the collection box.

[0012] Preferably, a mounting block is symmetrically fixedly mounted on the top of the collection box, a shaft rod is provided on the mounting block, and the shaft rod is fixedly connected to the handle.

[0013] Compared with the related art, the air collection device for environmental protection detection provided by the utility model has the following advantages:

[0014] Beneficial effects:

[0015] Through integrated design, the collection box, gas collecting bottle, collection pump, shunt tube, shoulder strap, handle and filter mechanism are closely combined, which improves the compactness and portability of the device and makes sampling more efficient and convenient; at the same time, by optimizing the internal structure layout, unnecessary volume is reduced and portability is further improved; furthermore, the setting of the filter mechanism effectively removes large particles of impurities in the air, protects subsequent components from damage, and improves the purity and accuracy of the sample; the design of the detachable filter plate and cover plate facilitates the cleaning and maintenance of the filter mechanism and extends its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1This is a schematic diagram of the main structure of an air collection device for environmental protection detection provided by the utility model;

[0017] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0018] Figure 3 for Figure 2 An enlarged structural diagram of part A shown in FIG.

[0019] Figure 4 It is a structural schematic diagram of the placement seat in the utility model.

[0020] Figure numerals: 1. Collection box; 2. Gas collecting bottle; 3. Pressure valve; 4. Collection pump; 5. Diverter pipe; 6. Flexible joint; 7. Exhaust pipe; 8. Shoulder strap; 9. Handle; 10. Purification box; 11. Air guide pipe; 12. Inlet pipe; 13. Filter plate; 14. Cover plate; 15. Placement seat; 16. Collection tube; 17. Gas collecting hood; 18. Hanging ring; 19. Hook. DETAILED DESCRIPTION

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0022] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0023] The utility model provides an air collection device for environmental protection detection, such as Figure 1-4As shown, the air collection device for environmental detection includes: a collection box 1 for collecting air for environmental detection, wherein the collection box 1 is provided with a plurality of gas collecting bottles 2 for collecting and containing air samples, and a pressure valve 3 is provided on the air inlet end of the plurality of gas collecting bottles 2; a collection pump 4 for pumping air, wherein the collection pump 4 is arranged in the collection box 1; a detachable shunt pipe 5 for guiding air into the corresponding gas collecting bottles 2, wherein the shunt pipe 5 is arranged in the collection box 1, and a knob-type flexible joint 6 for connecting the pressure valve 3 is provided on the air outlet end of the shunt pipe 5; an air outlet pipe 7, wherein the air outlet pipe 7 is fixedly mounted on the air outlet end of the collection pump 4, and the air outlet end of the air outlet pipe 7 is fixedly connected to the air inlet end of the shunt pipe 5; a cross-body backpack strap 8, wherein the strap 8 is arranged on the collection box 1; a handle 9 for grasping and carrying, wherein the handle 9 is arranged on the collection box 1; a filtering mechanism for filtering large impurities, wherein the filtering mechanism is arranged in the collection box 1.

[0024] It should be noted that air collection technology for environmental protection plays a vital role in today's environmental protection work. However, there are some problems that cannot be ignored in many air collection devices on the market, which greatly limit their application in various environmental conditions, especially in complex terrain areas such as field environments and mountainous areas; First, the large size is a common problem of many existing air collection devices. Due to the integration of multiple functions and components, these devices are often bulky and difficult to carry. In environmental protection testing work, rapid deployment and sampling at different locations are often required, and the size of large devices requires special transportation tools during transportation, which not only increases transportation costs, but also may cause delays in sampling work; secondly, excessive weight is also a prominent problem of existing devices. Heavy devices not only increase the difficulty of carrying, but also may lead to more challenges when deployed in field environments or complex terrains such as mountainous areas. In these areas, it is often necessary to rely on manpower for handling and installation, and heavy devices undoubtedly increase the workload and reduce work efficiency; in addition, large and heavy air collection devices often have problems such as complex operation and difficult maintenance. The complex structure and numerous components require operators to undergo long-term training to become proficient, and maintenance work also requires professionals, which undoubtedly increases the cost of use and time cost; taking the patent document with the authorization announcement number CN219046031U as an example, the air collection device for environmental protection detection disclosed in the patent, although technologically advanced, also faces the problem of large size and heavy weight. This large device undoubtedly adds additional burden when carrying and transporting, and may also be restricted by the on-site environment during deployment, which restricts its scope of application to a certain extent; therefore, it is necessary to further improve and optimize the problems existing in the existing air collection device for environmental protection detection;

[0025] In this embodiment, the design of the collection box 1 enables all components to be integrated together, reducing the trouble of carrying them separately and improving the compactness and portability of the overall device; by rationally arranging the internal space, the structure of the device is optimized, and unnecessary volume is reduced, making it easier to carry and transport; a number of gas collecting bottles 2 are arranged in the collection box 1 for collecting and holding air samples; the arrangement of multiple gas collecting bottles 2 can collect multiple air samples at the same time, improving the sampling efficiency; the design of the gas collecting bottles 2 takes into account the sealing and pressure resistance to ensure the integrity and accuracy of the samples; a pressure valve 3 is arranged on the air inlet end of the gas collecting bottle 2; the pressure valve 3 can control the pressure in the gas collecting bottle 2 to prevent sample loss or device damage due to overpressure; by adjusting the pressure valve 3, it can adapt to sampling requirements under different environmental conditions, improving the adaptability and stability of the device; a collection pump 4 is arranged in the collection box 1 for pumping air; the integrated design of the collection pump 4 reduces external connection components and simplifies the operation process; the air sample can be quickly sucked into the gas collecting bottle 2 through the strong pumping of the collection pump 4 The sampling speed is improved; the detachable shunt tube 5 is arranged in the collection box 1, and a knob-type flexible joint 6 is arranged on the gas outlet end thereof for connecting the pressure valve 3; the design of the detachable shunt tube 5 makes the device more flexible in transportation and deployment, and can be disassembled or combined as needed; the knob-type flexible joint 6 is convenient for connecting with the pressure valve 3 of the gas collecting bottle 2, and the operation is simple and fast; the gas outlet pipe 7 is fixedly installed on the gas outlet end of the collection pump 4, and its gas outlet end is fixedly connected with the gas inlet end of the shunt tube 5; the fixed installation of the gas outlet pipe 7 ensures the stability of air flow Qualitative, reducing the possibility of leakage or blockage; through the connection of the air outlet pipe 7 and the shunt pipe 5, smooth transmission of air samples is achieved; the collection box 1 is provided with a diagonal backpack strap 8 and a handle 9 for grasping and carrying; the diagonal backpack strap 8 allows the device to be conveniently carried on the back, reducing the burden of holding it for a long time; the setting of the handle 9 provides another way of carrying, which is suitable for the needs of different usage scenarios; the setting of the filtering mechanism can perform preliminary filtration of the air before sampling, remove large particles of impurities, and protect subsequent components from damage.

[0026] In a further preferred embodiment of the utility model, the filtering mechanism includes: a purification box 10 fixed in the collection box 1; an air duct 11 fixedly connected to the air outlet end of the purification box 10, the air outlet end of the air duct 11 is fixedly connected to the air inlet end of the collection pump 4; an air inlet pipe 12 fixedly connected to the air inlet end of the purification box 10, the air inlet end of the air inlet pipe 12 extends out of the collection box 1; a detachable filter plate 13 arranged in the purification box 10; and a detachable cover plate 14 arranged on the purification box 10.

[0027] In this embodiment, the fixed installation of the purification box 10 ensures its stability in the collection box 1, preventing displacement or damage during transportation or use; the purification box 10, as the core component of the filtering mechanism, provides an effective filtering space for the air, ensuring the purity of the sample; the air outlet end of the purification box 10 is fixedly connected with an air guide pipe 11, and the air outlet end of the air guide pipe 11 is fixedly connected to the air inlet end of the collection pump 4; the design of the air guide pipe 11 enables the air filtered by the purification box 10 to smoothly enter the collection pump 4, ensuring the continuity of the sampling process; through the fixed connection, the sealing between the air guide pipe 11 and the purification box 10 and the collection pump 4 is ensured, preventing air leakage; the air inlet end of the purification box 10 is fixedly connected with an air inlet pipe 12, and the air inlet end of the air inlet pipe 12 extends out of the collection box 1; the air inlet pipe The design of 12 allows external air to smoothly enter the purification box 10 for filtration, ensuring the stability of the sampling source; the extended design of the air inlet pipe 12 makes the device more flexible when in use, and the position and direction of the air inlet can be adjusted as needed; a detachable filter plate 13 is arranged in the purification box 10; the design of the detachable filter plate 13 facilitates the replacement and cleaning of the filter plate 13, and extends the service life of the filtering mechanism; the filtering effect of the filter plate 13 can effectively remove large particles of impurities in the air and protect subsequent components from damage; a detachable cover plate 14 is arranged on the purification box 10; the design of the detachable cover plate 14 facilitates the cleaning and maintenance of the interior of the purification box 10, and improves the usability of the device; the sealing effect of the cover plate 14 can prevent external impurities from entering the purification box 10, ensuring the filtering effect of the filtering mechanism.

[0028] In a further preferred embodiment of the utility model, a plurality of placement seats 15 for placing the gas collecting bottles 2 are arranged in the collection box 1, a telescopic collection tube 16 is fixedly installed on the air inlet end of the air inlet pipe 12, and a gas collecting hood 17 is arranged on the air inlet end of the collection tube 16.

[0029] In this embodiment, the design of the placement seat 15 provides a stable and safe storage space for the gas collecting bottle 2, avoiding the movement or damage of the gas collecting bottle 2 during transportation or sampling; by arranging multiple placement seats 15 in the collection box 1, multiple gas collecting bottles 2 can be placed at the same time, thereby improving the sampling efficiency; the design of the placement seat 15 takes into account the shape and size of the gas collecting bottle 2, ensuring that the gas collecting bottle 2 can be firmly placed on the placement seat 15, reducing the risk of accidental falling; a telescopic collection tube 16 is fixedly installed on the air inlet end of the air inlet pipe 12; the design of the telescopic collection tube 16 allows the air inlet end of the air inlet pipe 12 to adjust its length and curvature as needed, thereby adapting to the needs of different sampling environments; the collection tube 1 The telescopic nature of 6 enables the device to more flexibly adjust the position and direction of the air inlet during sampling, thereby improving the accuracy and convenience of sampling; the fixed installation of the telescopic collection tube 16 ensures its stability during use and prevents sampling deviations caused by shaking or vibration; the design of the air collecting hood 17 can expand the area of ​​the air inlet, increase the air flow during sampling, and improve the speed and efficiency of sampling; the shape and material of the air collecting hood 17 can reduce the resistance to air flow, allowing air to enter the collection tube 16 more smoothly, reducing energy loss during sampling; by setting up the air collecting hood 17, the influence of external environmental factors on the sampling results can also be reduced, thereby improving the accuracy and reliability of sampling.

[0030] In a further preferred embodiment of the utility model, a hanging ring 18 is symmetrically fixedly installed on the top of the collection box 1, and a hook 19 for assembling the shoulder strap 8 is provided on the hanging ring 18, and the hook 19 is fixedly connected to the shoulder strap 8.

[0031] In this embodiment, the symmetrical design of the hanging ring 18 allows the shoulder strap 8 to be evenly fixed on the top of the collection box 1, ensuring the stability and balance of the device; the fixed installation of the hanging ring 18 makes the connection of the shoulder strap 8 more secure, reducing the risk of the shoulder strap 8 falling off during carrying; through the hanging ring 18, the length and position of the shoulder strap 8 can be easily adjusted to meet the needs and comfort of different users, and the design of the hook 19 makes the connection between the shoulder strap 8 and the hanging ring 18 simpler and faster, which is convenient for users to assemble and disassemble the device.

[0032] In a further preferred embodiment of the present invention, hooks for limiting position are fixedly installed on both sides of the cover plate 14, and buckles that can be engaged with or separated from the hooks are symmetrically arranged on both sides of the purification box 10.

[0033] In this embodiment, the design of the hook enables the cover plate 14 to be firmly fixed on the purification box 10, preventing the cover plate 14 from loosening or falling off due to vibration or external force during use; by fixing the hooks on both sides of the cover plate 14, the cover plate 14 and the purification box 10 can be quickly positioned and fixed, thereby improving the assembly efficiency of the device; the limiting effect of the hook ensures the close fit between the cover plate 14 and the purification box 10, prevents air leakage, and ensures the filtering effect of the filtering mechanism; buckles that can be engaged or separated with the hooks are symmetrically arranged on both sides of the purification box 10; the design of the buckle makes the installation and removal of the cover plate 14 simple and convenient, and the user can easily complete the replacement or cleaning of the cover plate 14; the symmetrically arranged buckles ensure the balance and stability of the cover plate 14 when fixed, avoiding deformation or damage of the cover plate 14 due to uneven force; the cooperation between the buckle and the hook makes the connection between the cover plate 14 and the purification box 10 tighter and more reliable, thereby improving the overall performance and durability of the device.

[0034] In a further preferred embodiment of the utility model, an opening and closing door is provided on one side of the collection box 1, and a visual observation window, a hinge and a door lock are provided on the door, and the hinge is fixedly connected to the collection box 1.

[0035] In this embodiment, the design of the opening and closing door allows the internal space of the collection box 1 to be easily opened and closed, making it convenient for the user to operate and inspect the gas collecting bottle 2 and other internal components; the opening and closing structure of the door ensures the sealing of the collection box 1 when closed, prevents external impurities or dust from entering the box, and ensures the purity of the sample; by setting the door, the collection box 1 can also be locked, thereby improving the safety and anti-theft performance of the device.

[0036] In a further preferred embodiment of the utility model, an anti-sliding block is symmetrically fixedly installed on the bottom of the collection box 1, and an arc-shaped pipe clamp for hooking the collection tube 16 is fixedly installed on one side of the collection box 1.

[0037] In this embodiment, the design of the arc-shaped tube clamp can fix the position of the collection tube 16 to prevent the collection tube 16 from falling off or being damaged due to shaking during transportation or use; by fixing the arc-shaped tube clamp, the position and angle of the collection tube 16 can be easily adjusted to adapt to different sampling environments and needs; the shape and material of the arc-shaped tube clamp can reduce friction and damage to the collection tube 16, thereby extending the service life of the collection tube 16.

[0038] In a further preferred embodiment of the utility model, a mounting block is symmetrically fixedly installed on the top of the collection box 1, and a shaft rod is provided on the mounting block, and the shaft rod is fixedly connected to the handle 9.

[0039] In this embodiment, the symmetrical design of the mounting block enables the handle 9 to be evenly fixed on the top of the collection box 1, ensuring the stability and balance of the handle 9; the fixed installation of the mounting block increases the firmness of the connection of the handle 9 and reduces the risk of the handle 9 falling off or shaking; through the mounting block, the position and angle of the handle 9 can be easily adjusted to adapt to the operating habits and comfort of different users; an axis rod is provided on the mounting block, and the axis rod is fixedly connected to the handle 9; the design of the axis rod enables the handle 9 to rotate with the axis center as the fulcrum, which is convenient for the user to adjust according to needs.

[0040] To sum up, the air collection device for environmental protection testing provided by this technical solution solves the problem that the current air collection device for environmental protection testing is inconvenient to carry through optimized design, improves portability, sampling efficiency and usage stability, and provides a more reliable and efficient tool for environmental protection testing work.

[0041] Compared with the relevant technology, through the integrated design, the collection box 1, the gas collecting bottle 2, the collection pump 4, the shunt tube 5, the shoulder strap 8, the handle 9 and the filtering mechanism are closely combined, which improves the compactness and portability of the device and makes the sampling work more efficient and convenient; at the same time, by optimizing the internal structure layout, the unnecessary volume is reduced and the portability is further improved; furthermore, the setting of the filtering mechanism effectively removes large particles of impurities in the air, protects subsequent components from damage, and improves the purity and accuracy of the sample; the design of the detachable filter plate 13 and the cover plate 14 facilitates the cleaning and maintenance of the filtering mechanism and prolongs its service life.

[0042] It is worth noting that the circuits, electronic components and modules involved in the present utility model are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present utility model does not involve improvements to software and methods.

[0043] In the several embodiments provided in the present application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only schematic, such as the division of the above-mentioned units, which is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0044] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. An air collection device for environmental protection detection, characterized in that: include: A collection box (1) for collecting air for environmental testing, wherein a plurality of gas collecting bottles (2) for collecting and containing air samples are arranged in the collection box (1), and pressure valves (3) are arranged on the air inlet ends of the plurality of gas collecting bottles (2); A collection pump (4) for pumping air, wherein the collection pump (4) is arranged in the collection box (1); a detachable shunt pipe (5) for conveying air into the corresponding gas collecting bottle (2), the shunt pipe (5) being arranged in the collection box (1), and a knob-type flexible joint (6) for connecting to the pressure valve (3) being arranged on the gas outlet end of the shunt pipe (5); An air outlet pipe (7), wherein the air outlet pipe (7) is fixedly mounted on the air outlet end of the collection pump (4), and the air outlet end of the air outlet pipe (7) is fixedly connected to the air inlet end of the shunt pipe (5); A cross-body backpack strap (8), wherein the strap (8) is arranged on the collection box (1); a handle (9) for grasping and carrying, wherein the handle (9) is arranged on the collection box (1); A filtering mechanism for filtering large impurities, wherein the filtering mechanism is arranged in the collection box (1).

2. The air sampling device for environmental protection detection as claimed in claim 1, characterized in that: The filtering mechanism comprises: A purification box (10) fixed in the collection box (1); An air guide pipe (11) is fixedly connected to the air outlet end of the purification box (10), and the air outlet end of the air guide pipe (11) is fixedly connected to the air inlet end of the collection pump (4); An air inlet pipe (12) fixedly connected to the air inlet end of the purification box (10), the air inlet end of the air inlet pipe (12) extending out of the collection box (1); A detachable filter plate (13) disposed in the purification box (10); A detachable cover plate (14) is arranged on the purification box (10).

3. The air sampling device for environmental protection detection as claimed in claim 2, characterized in that: The collection box (1) is provided with a plurality of placement seats (15) for placing the gas collection bottles (2), a telescopic collection tube (16) is fixedly installed on the gas inlet end of the gas inlet pipe (12), and a gas collection hood (17) is provided on the gas inlet end of the collection tube (16).

4. The air sampling device for environmental protection detection as claimed in claim 1, characterized in that: A hanging ring (18) is symmetrically fixedly mounted on the top of the collection box (1), and a hook (19) for assembling the shoulder strap (8) is provided on the hanging ring (18), and the hook (19) is fixedly connected to the shoulder strap (8).

5. The air sampling device for environmental protection detection as claimed in claim 2, characterized in that: Hooks for limiting position are fixedly mounted on both sides of the cover plate (14), and buckles that can be engaged with or separated from the hooks are symmetrically arranged on both sides of the purification box (10).

6. The air sampling device for environmental protection detection as claimed in claim 1, characterized in that: An openable door is provided on one side of the collection box (1); a visual observation window, a hinge and a door lock are provided on the door; the hinge is fixedly connected to the collection box (1).

7. The air sampling device for environmental protection detection as claimed in claim 1, characterized in that: An anti-sliding block is symmetrically fixedly mounted on the bottom of the collection box (1), and an arc-shaped pipe clamp for hooking the collection tube (16) is fixedly mounted on one side of the collection box (1).

8. The air sampling device for environmental protection detection as claimed in claim 1, characterized in that: A mounting block is symmetrically fixedly mounted on the top of the collection box (1), and a shaft is provided on the mounting block, and the shaft is fixedly connected to the handle (9).

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