Air sampling device

Abstract

The utility model discloses an air sampling device, which belongs to the technical field of air sampling, and adopts the technical scheme that the air sampling device comprises a connecting filtering mechanism, a storing and extracting mechanism, a connecting square pipe and an extracting pipe, the connecting filtering mechanism comprises a connecting component and a filtering component, and the connecting component is connected with the connecting square pipe through the connecting component. The connecting assembly can limit, connect and fix the filtering assembly, and through the arrangement of the filtering assembly, the filtering assembly can achieve the effect of filtering dust in the air when the air is extracted, so that the problem that when the air is sampled, the dust in the air cannot be filtered due to the fact that a large amount of dust is contained in the air can be solved. According to the air sampling device, the problem that detection can be carried out only after dust in air needs to be filtered out after sampling is completed, and the operation is troublesome is solved, through arrangement of the storage and extraction mechanism, the effect of extracting and storing the filtered air can be achieved through the storage and extraction mechanism, and meanwhile the effect of preventing the air stored in the storage and extraction mechanism from leaking out can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of air sampling, in particular to an air sampling device. Background Art

[0002] Sampling means selecting representative samples from the target object. In simple terms, it means taking a small number of samples from a large number of objects or materials.

[0003] At present, a Chinese utility model with the announcement number of CN218512137U discloses an air sampling device, which belongs to the field of air sampling technology, including a cylinder, a piston in the cylinder is provided with a suction assembly, an exhaust pipe is provided at the end of the cylinder, a first one-way air inlet valve is provided in the exhaust pipe, a threaded groove is provided on the bottom surface of the cylinder, a sleeve is threadedly provided in the threaded groove, a sampling barrel is provided at the bottom end of the sleeve, a one-way air inlet assembly is provided in the sleeve, a one-way air outlet assembly is provided on the bottom surface of the sampling barrel, and a closure is provided on the one-way air outlet assembly, so that when sampling the air, the air inside the sampling barrel can be discharged first, so that the air sample sampled in the sampling barrel will not be adulterated, and when the sampling barrel is removed, its closure can be ensured, so that the air will not enter the sample air again to cause adulteration, thereby ensuring the overall sampling quality of the air sample.

[0004] In order to detect substances in the air, an air sampling device is needed. When sampling the air, the existing air sampling device contains a lot of dust in the air. Therefore, after the sampling is completed, the dust in the air needs to be filtered out before the detection can be carried out, which is relatively troublesome. Utility Model Content

[0005] The utility model provides an air sampling device, aiming to solve the problem of the existing air sampling device that when sampling the air, because the air contains a lot of dust, the dust in the air needs to be filtered out after the sampling is completed before detection can be carried out, which is relatively troublesome.

[0006] The utility model is implemented as follows: an air sampling device comprises a connecting filter mechanism, a storage and extraction mechanism, a connecting square tube and an extraction tube, wherein the connecting filter mechanism is arranged at the bottom of the storage and extraction mechanism, the storage and extraction mechanism is arranged inside the connecting square tube, and the extraction tube is fixedly connected to the bottom of the connecting square tube;

[0007] The connection and filtering mechanism comprises a connection component and a filtering component. The connection component is arranged at the front side of the connection square tube, and the filtering component is arranged at the bottom inside the connection square tube.

[0008] In order to enable the connecting component to achieve the effect of limiting the connection and fixing the filter component, as a preferred air sampling device of the utility model, the connecting component includes a clamping block, a clamping groove, a limiting block and a first one-way valve, the clamping block is clamped on the inner wall of the limiting block, the clamping groove is opened on the front side of the connecting square tube, the limiting block is fixedly connected to the front side of the connecting square tube, and the first one-way valve is fixedly connected to the inner wall of the extraction tube.

[0009] In order to enable the filter component to filter the dust in the air when extracting air, so as to solve the problem that when sampling the air, the air contains a large amount of dust, and the dust in the air needs to be filtered out after the sampling is completed before detection can be carried out, the filter component comprises a filter plate, a handle and a clamping strip, the filter plate is clamped on the inner wall of the connecting square tube, the handle is fixedly connected to the front side of the filter plate, and the clamping strip is fixedly connected to the surface of the filter plate.

[0010] In order to enable the storage and extraction mechanism to extract and store the filtered air, and at the same time prevent the air stored in the storage and extraction mechanism from leaking out, a preferred air sampling device of the utility model includes a storage component and an extraction component, the storage component is arranged inside the connecting square tube, and the extraction component is arranged inside the storage component.

[0011] In order to enable the storage component to achieve the effect of storing filtered air, as a preferred air sampling device of the utility model, the storage component includes a pull plate, a slide groove, a storage tube and a second one-way valve, the pull plate is fixedly connected to the top of the storage tube, the slide groove is opened on both sides of the storage tube, the storage tube is clamped on the inner wall of the connecting square tube, and the second one-way valve is fixedly connected to the bottom of the storage tube.

[0012] In order to make the extraction component cooperate with the storage component to achieve the effect of extracting air, as a preferred air sampling device of the utility model, the extraction component includes a pull block, a connecting rod, a sealed plate and a sealed pad, the pull block is fixedly connected to the top of the connecting rod, the connecting rod is fixedly connected to the top of the sealed plate, the sealed plate is slidably connected to the inner wall of the storage tube, and the sealed pad is fixedly connected to the bottom of the sealed plate.

[0013] In order to make the sealing gasket achieve the effect of sealing the connection between the storage tube and the connecting square tube, as a preferred air sampling device of the utility model, a sealing gasket is fixedly connected to the surface of the storage tube, and the surface of the sealing gasket is in contact with the inner wall of the connecting square tube.

[0014] In order to enable the output tube to discharge the air in the storage tube, to enable the third one-way valve to regulate the discharge port of the output tube, and to enable the sealing cover to seal the front side of the output tube, as a preferred air sampling device of the utility model, the front side of the storage tube is fixedly connected with the output tube, the inner wall of the output tube is fixedly connected with the third one-way valve, and the front side of the output tube is clamped with a sealing cover.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The air sampling device is connected to a filter mechanism, wherein the filter mechanism includes a connection component and a filter component. The connection component can achieve the effect of limiting and connecting the filter component. The filter component can achieve the effect of filtering dust in the air when extracting air through the setting of the connection component. This can solve the problem that when sampling air, the air contains a large amount of dust, and the dust in the air needs to be filtered out after sampling before detection. This is a relatively troublesome problem. The storage and extraction mechanism can achieve the effect of extracting and storing the filtered air through the setting of the storage and extraction mechanism, and can also prevent the air stored in the storage and extraction mechanism from leaking out. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the air sampling device of the utility model;

[0018] Figure 2 It is a schematic diagram of connecting the filtering mechanism and the storage and extraction mechanism in the utility model;

[0019] Figure 3 It is a three-dimensional schematic diagram of the connection assembly in the utility model;

[0020] Figure 4 This is a connection diagram of the filter assembly in the utility model;

[0021] Figure 5 It is a connection diagram of the storage component in the utility model;

[0022] Figure 6 It is a connection diagram of the extraction component in the utility model.

[0023] In the figure, 1. connecting filter mechanism; 101. connecting component; 1011. block; 1012. slot; 1013. limit block; 1014. first one-way valve; 102. filter component; 1021. filter plate; 1022. pull handle; 1023. card strip; 2. storage and extraction mechanism; 201. storage component; 2011. pull plate; 2012. slide groove; 2013. storage tube; 2014. second one-way valve; 202. extraction component; 2021. pull block; 2022. connecting rod; 2023. sealing plate; 2024. sealing pad; 3. connecting square tube; 4. extraction tube; 5. sealing pad; 6. output tube; 7. third one-way valve; 8. sealing cover. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0026] See also Figure 1-6 The utility model provides a technical solution: an air sampling device, comprising a connecting filter mechanism 1, a storage and extraction mechanism 2, a connecting square tube 3 and an extraction tube 4, wherein the connecting filter mechanism 1 is arranged at the bottom of the storage and extraction mechanism 2, the storage and extraction mechanism 2 is arranged inside the connecting square tube 3, and the extraction tube 4 is fixedly connected to the bottom of the connecting square tube 3;

[0027] The connecting and filtering mechanism 1 comprises a connecting component 101 and a filtering component 102 . The connecting component 101 is arranged at the front side of the connecting square tube 3 , and the filtering component 102 is arranged at the bottom inside the connecting square tube 3 .

[0028] In this embodiment: by setting the connection filter mechanism 1, the connection filter mechanism 1 includes a connection component 101 and a filter component 102. By setting the connection component 101, the connection component 101 can achieve the effect of limiting the connection and fixing of the filter component 102. By setting the filter component 102, the filter component 102 can achieve the effect of filtering the dust in the air when extracting the air, thereby solving the more troublesome problem that when sampling the air, the air contains a large amount of dust, and the dust in the air needs to be filtered out after the sampling is completed before detection. By setting the storage and extraction mechanism 2, the storage and extraction mechanism 2 can achieve the effect of extracting and storing the filtered air, and at the same time can also prevent the air stored in the storage and extraction mechanism 2 from leaking.

[0029] As a technical optimization solution of the utility model, the connecting component 101 includes a clamping block 1011, a clamping groove 1012, a limit block 1013 and a first one-way valve 1014. The clamping block 1011 is clamped on the inner wall of the limit block 1013, the clamping groove 1012 is opened on the front side of the connecting square tube 3, the limit block 1013 is fixedly connected to the front side of the connecting square tube 3, and the first one-way valve 1014 is fixedly connected to the inner wall of the extraction tube 4.

[0030] In this embodiment: by setting the clamping block 1011, the clamping block 1011 is used in conjunction with the limit block 1013, so as to achieve the effect of limiting and fixing the connection between the filter plate 1021 and the connecting square tube 3; by setting the clamping groove 1012, the clamping groove 1012 can achieve the effect of clamping and fixing the clamping strip 1023; by setting the first one-way valve 1014, the first one-way valve 1014 is an existing device.

[0031] As a technical optimization solution of the utility model, the filter assembly 102 includes a filter plate 1021, a handle 1022 and a clamping strip 1023. The filter plate 1021 is clamped on the inner wall of the connecting square tube 3, the handle 1022 is fixedly connected to the front side of the filter plate 1021, and the clamping strip 1023 is fixedly connected to the surface of the filter plate 1021.

[0032] In this embodiment: by setting the filter plate 1021, the filter plate 1021 can achieve the effect of filtering dust in the air, by setting the pull handle 1022, the pull handle 1022 can achieve the effect of facilitating the removal of the filter plate 1021, and by setting the clamping strip 1023, the clamping strip 1023 is used in conjunction with the filter plate 1021 to achieve the effect of connecting the connecting square tube 3.

[0033] As a technical optimization solution of the utility model, the storage and extraction mechanism 2 includes a storage component 201 and an extraction component 202. The storage component 201 is arranged inside the connecting square tube 3, and the extraction component 202 is arranged inside the storage component 201.

[0034] In this embodiment: through the setting of the storage component 201, the storage component 201 can achieve the effect of storing the filtered air, and through the setting of the extraction component 202, the extraction component 202 can cooperate with the storage component 201 to achieve the effect of extracting air.

[0035] As a technical optimization solution of the utility model, the storage component 201 includes a pull plate 2011, a slide groove 2012, a storage tube 2013 and a second one-way valve 2014. The pull plate 2011 is fixedly connected to the top of the storage tube 2013, the slide groove 2012 is opened on both sides of the storage tube 2013, the storage tube 2013 is clamped on the inner wall of the connecting square tube 3, and the second one-way valve 2014 is fixedly connected to the bottom of the storage tube 2013.

[0036] In this embodiment: by setting the pull plate 2011, the pull plate 2011 can achieve the effect of connecting the storage tube 2013, by setting the slide groove 2012, the slide groove 2012 can achieve the effect of limited sliding connection of the sealed plate 2023, by setting the storage tube 2013, the storage tube 2013 can achieve the effect of storing filtered air, and by setting the second one-way valve 2014, the second one-way valve 2014 is an existing device.

[0037] As a technical optimization solution of the utility model, the extraction component 202 includes a pull block 2021, a connecting rod 2022, a sealed plate 2023 and a sealed pad 2024. The pull block 2021 is fixedly connected to the top of the connecting rod 2022, the connecting rod 2022 is fixedly connected to the top of the sealed plate 2023, the sealed plate 2023 is slidably connected to the inner wall of the storage tube 2013, and the sealed pad 2024 is fixedly connected to the bottom of the sealed plate 2023.

[0038] In this embodiment: by setting the pull block 2021, the pull block 2021 is used in conjunction with the connecting rod 2022, so that the sealing plate 2023 can be easily raised and lowered. By setting the sealing plate 2023, the sealing plate 2023 is used in conjunction with the sealing pad 2024, the effect of extracting air can be achieved.

[0039] As a technical optimization solution of the present invention, a sealing gasket 5 is fixedly connected to the surface of the storage tube 2013 , and the surface of the sealing gasket 5 is in contact with the inner wall of the connecting square tube 3 .

[0040] In this embodiment: by setting the sealing gasket 2024, the sealing gasket 2024 can achieve the effect of sealing the connection between the storage tube 2013 and the connecting square tube 3.

[0041] As a technical optimization solution of the utility model, the front side of the storage tube 2013 is fixedly connected to the output tube 6, the inner wall of the output tube 6 is fixedly connected to the third one-way valve 7, and the front side of the output tube 6 is clamped with a sealing cover 8.

[0042] In this embodiment: by setting the output pipe 6, the output pipe 6 can achieve the effect of discharging the air in the storage tube 2013, by setting the third one-way valve 7, the third one-way valve 7 can achieve the effect of regulating the discharge port of the output pipe 6, and by setting the sealed cover 8, the sealed cover 8 can achieve the effect of sealing the front side of the output pipe 6.

[0043] Working principle: First, push the pull block 2021 to make the sealing pad 2024 contact the bottom of the storage tube 2013, then hold the pull plate 2011, and insert the storage tube 2013 into the connecting square tube 3, so that the bottom of the storage tube 2013 contacts the top of the filter plate 1021, and then hold the pull block 2021 to pull the connecting rod 2022 and the sealing plate 2023 and the sealing pad 2024, so that the air is sucked through the extraction tube 4, so that the air passes through the filter of the filter plate 1021. Enter the storage tube 2013, then take the storage tube 2013 out of the connecting square tube 3, then open the sealed cover 8, then connect the output tube 6 with the storage tube for storing air, and then push the pull block 2021 to inject the air in the storage tube 2013 from the output tube 6 into the storage tube for storing air. After the sampling is completed, remove the card block 1011 from the top of the pull plate 2011, then hold the pull handle 1022, pull out the filter plate 1021, and then clean the filter plate 1021.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An air sampling device, comprising a connecting filter mechanism (1), a storage and extraction mechanism (2), a connecting square tube (3) and an extraction tube (4), characterized in that: The connecting and filtering mechanism (1) is arranged at the bottom of the storage and extraction mechanism (2), the storage and extraction mechanism (2) is arranged inside the connecting square tube (3), and the extraction tube (4) is fixedly connected to the bottom of the connecting square tube (3); The connecting and filtering mechanism (1) comprises a connecting component (101) and a filtering component (102); the connecting component (101) is arranged at the front side of the connecting square tube (3); and the filtering component (102) is arranged at the bottom inside the connecting square tube (3).

2. An air sampling device according to claim 1, characterized in that: The connection assembly (101) comprises a clamping block (1011), a clamping groove (1012), a limit block (1013) and a first one-way valve (1014); the clamping block (1011) is clamped on the inner wall of the limit block (1013); the clamping groove (1012) is provided on the front side of the connecting square tube (3); the limit block (1013) is fixedly connected to the front side of the connecting square tube (3); and the first one-way valve (1014) is fixedly connected to the inner wall of the extraction tube (4).

3. An air sampling device according to claim 1, characterized in that: The filter assembly (102) comprises a filter plate (1021), a pull handle (1022) and a clamping strip (1023); the filter plate (1021) is clamped on the inner wall of the connecting square tube (3); the pull handle (1022) is fixedly connected to the front side of the filter plate (1021); and the clamping strip (1023) is fixedly connected to the surface of the filter plate (1021).

4. An air sampling device according to claim 1, characterized in that: The storage and extraction mechanism (2) comprises a storage component (201) and an extraction component (202); the storage component (201) is arranged inside the connecting square tube (3); and the extraction component (202) is arranged inside the storage component (201).

5. An air sampling device according to claim 4, characterized in that: The storage assembly (201) comprises a pull plate (2011), a slide groove (2012), a storage tube (2013) and a second one-way valve (2014); the pull plate (2011) is fixedly connected to the top of the storage tube (2013); the slide groove (2012) is provided on both sides of the storage tube (2013); the storage tube (2013) is clamped on the inner wall of the connecting square tube (3); and the second one-way valve (2014) is fixedly connected to the bottom of the storage tube (2013).

6. An air sampling device according to claim 4, characterized in that: The extraction assembly (202) comprises a pull block (2021), a connecting rod (2022), a sealed plate (2023) and a sealed pad (2024); the pull block (2021) is fixedly connected to the top of the connecting rod (2022); the connecting rod (2022) is fixedly connected to the top of the sealed plate (2023); the sealed plate (2023) is slidably connected to the inner wall of the storage tube (2013); and the sealed pad (2024) is fixedly connected to the bottom of the sealed plate (2023).

7. An air sampling device according to claim 5, characterized in that: A sealing gasket (5) is fixedly connected to the surface of the storage tube (2013), and the surface of the sealing gasket (5) is in contact with the inner wall of the connecting square tube (3).

8. An air sampling device according to claim 5, characterized in that: The front side of the storage tube (2013) is fixedly connected to an output tube (6), the inner wall of the output tube (6) is fixedly connected to a third one-way valve (7), and the front side of the output tube (6) is clamped with a sealing cover (8).

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