Ambient air sampling device

Abstract

The utility model discloses an ambient air sampling device, which relates to the technical field of sampling devices, and comprises a sampling device body, a support, a sampling pipe and a connecting column, the bottom of the sampling device body is fixedly connected with the top of the connecting column, one end of the sampling device body is communicated with one end of the sampling pipe, and the other end of the sampling pipe is communicated with the support. A movable limiting assembly is arranged at the top of the support, and a connecting and fixing assembly is arranged on the surface of the connecting column. According to the air sampling device, the movable limiting assembly is matched with the connecting and fixing assembly, so that the connecting column and the bracket are stably and conveniently disassembled and assembled, and the problems that an existing air sampling device needs to be used for sampling at different indoor or outdoor positions; however, the bracket and the air sampling device are relatively inconvenient to move when being fixed, so that the use convenience of the air sampling device is influenced, and the effect of being convenient to disassemble and assemble is achieved.

Description

Technical Field

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

[0002] An instrument or device for collecting atmospheric pollutants or polluted atmosphere. There are many types of atmospheric samplers. According to the collection objects, they can be divided into gas (including vapor) samplers and particulate samplers; according to the place of use, they can be divided into environmental samplers, indoor samplers (such as samplers used in factory workshops) and pollution source samplers (such as chimney samplers). In addition, there are special-purpose atmospheric samplers, such as samplers that collect gas and particulate matter at the same time, which can collect sulfur dioxide and particulate matter, or hydrogen fluoride and particulate matter in the atmosphere, etc., which is convenient for studying the relationship between sulfur or fluorine in gaseous and solid substances. There are also samplers for collecting bacteria in the air.

[0003] For example, an ambient air sampling device with the publication number CN220525429U has the following main technical principles: the sampling box is provided with a bottom sleeve fixedly connected to its vent hole, a slidingly connected action tube is provided inside the bottom sleeve, and a slidingly connected moving tube is provided inside the action tube; an axially arranged outer rack is provided on the inner side wall of the bottom sleeve, an inner rack located on the same side and parallel to the outer rack is provided at the inner end of the moving tube, an action gear located between the inner rack and the outer rack is provided on the outer side wall of the action tube, and the two sides of the action gear are respectively meshed with the inner rack and the outer rack. In addition, a connecting seat is provided at the outer end of the action tube, a locking plate elastically connected and rotatably connected via a torsion spring is provided on the connecting seat, a positioning column facing the moving tube is provided at the outer end of the locking plate, and a pressing plate is provided at the inner end of the locking plate; a plurality of positioning holes matching the positioning columns are provided on the side of the moving tube.

[0004] Based on the search of patent numbers, combined with the findings of deficiencies in the prior art;

[0005] The existing air sampling device needs to be sampled at different locations indoors or outdoors. Although the air sampling device is equipped with a bracket, the bracket is fixed to the air sampling device, which is inconvenient when moving, affecting the ease of use of the air sampling device. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide an environmental air sampling device, which has the advantage of easy disassembly and assembly, and solves the problem that the existing air sampling device needs to be sampled at different locations indoors or outdoors. Although the air sampling device is equipped with a bracket, the bracket and the air sampling device are fixed, which is inconvenient when moving, affecting the convenience of using the air sampling device.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ambient air sampling device, comprising a sampling device body, a bracket, a tube and a connecting column, the bottom of the sampling device body is fixedly connected to the top of the connecting column, one end of the sampling device body is connected to one end of the tube, a movable limiting component is provided on the top of the bracket, and a connecting and fixing component is provided on the surface of the connecting column.

[0008] As a preferred embodiment of the utility model, the movable limiting assembly includes a movable groove, the interior of the movable groove is movably connected with a connecting rod, the top of the connecting rod is fixedly connected to the bottom of the connecting column, the outer side of the connecting rod is fixedly connected with a positioning block, and a plurality of positioning blocks are provided, and the plurality of positioning blocks are arranged in a ring shape with equal distances, and the surface of the positioning block is movably engaged with the interior of the movable groove.

[0009] As a preferred embodiment of the utility model, the connecting and fixing assembly includes a limiting groove, the limiting groove is internally movably connected to a limiting ring, the outer side of the limiting ring is fixedly connected to a fixing ring, the internal thread of the fixing ring is connected to a connecting ring, and the bottom of the connecting ring is fixedly connected to the top of the bracket.

[0010] As a preferred embodiment of the utility model, a rotating block is fixedly connected to the outer side of the fixing ring, a plurality of rotating blocks are provided, and the plurality of rotating blocks are arranged at equal distances, and an anti-slip sleeve is provided on the outer side of the rotating block.

[0011] As a preferred embodiment of the present invention, an elastic ring is fixedly connected to the bottom of the connecting rod, and a rubber ring is fixedly connected to the bottom of the connecting column.

[0012] As a preferred embodiment of the utility model, a protective ring is fixedly connected to the top of the bracket surface, a protective groove is opened on the top of the protective ring, and the bottom of the fixed ring is movably connected to the inside of the protective groove.

[0013] As a preferred embodiment of the present invention, a sealing ring is fixedly connected to the bottom of the surface of the fixing ring, and the bottom of the sealing ring is meshed with the top of the protective ring.

[0014] As a preferred embodiment of the utility model, the bottom of the inner wall of the protective groove is fixedly connected with a spring, the top of the spring is fixedly connected with a plug-in block, the top of the plug-in block is movably connected to the bottom of the fixing ring, and the bottom of the plug-in block is fixedly connected with a moving rod.

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

[0016] 1. The utility model provides a movable limit assembly in conjunction with a connecting and fixing assembly to stably and conveniently disassemble and assemble the connecting column and the bracket, thereby solving the problem that the existing air sampling device needs to be sampled at different locations indoors or outdoors. Although the air sampling device is equipped with a bracket, it is inconvenient to fix the bracket and the air sampling device when moving, which affects the convenience of using the air sampling device, thereby achieving the effect of easy disassembly and assembly.

[0017] 2. The utility model sets a movable limiting component. During use, the movable groove can limit the movable rod, so that the movable rod can drive the bottom of the connecting column to limit the movable position. At the same time, the movable groove can limit the positioning block. After the positioning block is limited, it can drive the connecting rod to limit and fix it, avoiding the shaking of the connecting rod during use, enhancing the fixing stability of the connecting rod driving the connecting column, and facilitating the connecting column to drive the bottom of the sampling device body to connect and limit.

[0018] 3. The utility model sets a connection and fixing component. During use, the limit groove can movably limit the surface of the limit ring. After the limit ring is movably limited, it can drive the inner side of the fixing ring to movably limit. When connecting the connecting column and the bracket, the fixing ring can be rotated to make the fixing ring rotate and be fixed with the surface thread of the connecting ring, which is convenient for the user to fix the bracket and the connecting column and enhances the convenience of connection during fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional split structure of the utility model;

[0021] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1. Sampling device body; 2. Bracket; 3. Connecting column; 4. Using tube; 5. Movable limiting assembly; 51. Movable groove; 52. Connecting rod; 53. Positioning block; 6. Connecting and fixing assembly; 61. Limiting groove; 62. Limiting ring; 63. Fixing ring; 64. Connecting ring; 7. Rotating block; 8. Anti-slip sleeve; 9. Elastic ring; 10. Rubber ring; 11. Protective ring; 12. Protective groove; 13. Sealing ring; 14. Spring; 15. Plug-in block; 16. Moving rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 3 As shown, the utility model provides an environmental air sampling device, including a sampling device body 1, a bracket 2, a tube 4 and a connecting column 3, the bottom of the sampling device body 1 is fixedly connected to the top of the connecting column 3, one end of the sampling device body 1 is connected to one end of the tube 4, a movable limiting component 5 is provided on the top of the bracket 2, and a connecting and fixing component 6 is provided on the surface of the connecting column 3.

[0025] refer to Figure 3 The movable limiting assembly 5 includes a movable groove 51, and a connecting rod 52 is movably connected inside the movable groove 51. The top of the connecting rod 52 is fixedly connected to the bottom of the connecting column 3, and a positioning block 53 is fixedly connected to the outer side of the connecting rod 52. A plurality of positioning blocks 53 are provided, and the plurality of positioning blocks 53 are arranged in a ring shape with equal distances, and the surface of the positioning block 53 is movably engaged with the inside of the movable groove 51.

[0026] As a technical optimization scheme of the utility model, by setting a movable limiting component 5, the movable groove 51 can limit the movable rod during use, so that the movable rod can drive the bottom of the connecting column 3 to be limited. At the same time, the movable groove 51 can limit the positioning block 53. After the positioning block 53 is limited, it can drive the connecting rod 52 to be limited and fixed, thereby avoiding the shaking of the connecting rod 52 during use, enhancing the fixing stability of the connecting rod 52 driving the connecting column 3, and facilitating the connecting column 3 to drive the bottom of the sampling device body 1 to connect and limit.

[0027] refer to Figure 3 The connection and fixing component 6 includes a limiting groove 61, the limiting groove 61 is internally movably connected to a limiting ring 62, the outer side of the limiting ring 62 is fixedly connected to a fixing ring 63, the internal thread of the fixing ring 63 is connected to a connecting ring 64, and the bottom of the connecting ring 64 is fixedly connected to the top of the bracket 2.

[0028] As a technical optimization scheme of the utility model, by setting a connecting and fixing component 6, the limiting groove 61 can movably limit the surface of the limiting ring 62 during use. After the limiting ring 62 is movably limited, it can drive the inner side of the fixing ring 63 to movably limit. When connecting the connecting column 3 and the bracket 2, the fixing ring 63 can be rotated to make the fixing ring 63 rotate and be fixed with the surface thread of the connecting ring 64, which is convenient for the user to fix the bracket 2 and the connecting column 3 and enhances the convenience of connection during fixation.

[0029] refer to Figure 3 The outer side of the fixed ring 63 is fixedly connected with a rotating block 7, and a plurality of rotating blocks 7 are provided, and the plurality of rotating blocks 7 are arranged at equal distances, and the outer side of the rotating block 7 is provided with an anti-slip sleeve 8.

[0030] As a technical optimization solution of the utility model, by providing a rotating block 7 and an anti-slip sleeve 8, the rotating block 7 can facilitate the user to rotate the fixing ring 63 during use, thereby enhancing the convenience of rotation during use and avoiding the situation where the surface of the fixing ring 63 is relatively smooth during use, resulting in inconvenience in rotating the fixing ring 63. The anti-slip sleeve 8 can provide anti-slip protection for the outer side of the rotating block 7 during use, thereby enhancing the use effect of the rotating block 7.

[0031] refer to Figure 3 The bottom of the connecting rod 52 is fixedly connected with an elastic ring 9 , and the bottom of the connecting column 3 is fixedly connected with a rubber ring 10 .

[0032] As a technical optimization solution of the utility model, by providing an elastic ring 9 and a rubber ring 10, the elastic ring 9 can elastically buffer the bottom of the connecting rod 52 during use, thereby avoiding a hard collision between the connecting rod 52 and the inside of the movable groove 51, thereby enhancing the use stability of the connecting rod 52. At the same time, the rubber ring 10 can enhance the contact stability between the connecting column 3 and the bracket 2, thereby avoiding an unstable connection during use.

[0033] refer to Figure 3 A protective ring 11 is fixedly connected to the top of the surface of the bracket 2 , a protective groove 12 is opened on the top of the protective ring 11 , and the bottom of the fixed ring 63 is movably connected to the inside of the protective groove 12 .

[0034] As a technical optimization solution of the utility model, by providing a protective ring 11 and a protective groove 12, the protective ring 11 can movably limit the bottom of the fixing ring 63 through the protective groove 12 during use, thereby enhancing the use stability of the fixing ring 63 and avoiding misalignment of the connection between the protective ring 11 and the connecting ring 64.

[0035] refer to Figure 3The bottom of the surface of the fixing ring 63 is fixedly connected with the sealing ring 13 , and the bottom of the sealing ring 13 is meshed with the top of the protection ring 11 .

[0036] As a technical optimization solution of the utility model, by setting a sealing ring 13, the sealing ring 13 can move with the fixing ring 63 during use and seal with the top of the protective ring 11, thereby enhancing the sealing effect of the outer side of the fixing ring 63 and preventing impurities from entering the inner wall of the protective groove 12 through the connection gap between the fixing ring 63 and the protective groove 12 during use.

[0037] refer to Figure 3 The bottom of the inner wall of the protective groove 12 is fixedly connected with a spring 14, the top of the spring 14 is fixedly connected with a plug-in block 15, the top of the plug-in block 15 is movably plugged with the bottom of the fixing ring 63, and the bottom of the plug-in block 15 is fixedly connected with a moving rod 16.

[0038] As a technical optimization solution of the utility model, by setting the spring 14, the plug-in block 15 and the moving rod 16, the spring 14 can push the plug-in block 15 to move during use, and the plug-in block 15 can be moved and plugged into the inside of the fixed ring 63, so that the user can fix the fixed ring 63 conveniently, and avoid the threaded connection between the fixed ring 63 and the connecting ring 64 affecting the normal use of the sampling device body 1. At the same time, the moving rod 16 can facilitate the user to move the plug-in block 15, thereby enhancing the convenience of movement of the plug-in block 15.

[0039] The working principle and use process of the utility model are as follows: when in use, the movable groove 51 can limit the movable rod, so that the movable rod can drive the bottom of the connecting column 3 to be limited. At the same time, the movable groove 51 can limit the positioning block 53. After the positioning block 53 is limited, it can drive the connecting rod 52 to be limited and fixed, so as to avoid the connecting rod 52 from shaking during use, thereby enhancing the fixing stability of the connecting rod 52 driving the connecting column 3, and facilitating the connecting column 3 to drive the bottom of the sampling device body 1 to connect and limit. The limiting groove 61 can limit the surface of the limiting ring 62. After the limiting ring 62 is limited, it can drive the inner side of the fixing ring 63 to be limited. When connecting the connecting column 3 and the bracket 2, the fixing ring 63 can be rotated to be fixed with the surface thread of the connecting ring 64 by rotating the fixing ring 63, so that the user can fix the bracket 2 and the connecting column 3 conveniently, thereby enhancing the connection convenience during fixation, achieving the effect of easy disassembly and assembly, and enhancing the convenience of use of the air sampling device.

[0040] To sum up: this environmental air sampling device, by setting a movable limit assembly 5 in cooperation with the connecting and fixing assembly 6, can stably and conveniently disassemble and assemble the connecting column 3 and the bracket 2, thereby solving the problem that the existing air sampling device needs to be sampled at different locations indoors or outdoors. Although the air sampling device is equipped with a bracket, the bracket and the air sampling device are fixed, which is inconvenient to move, affecting the convenience of using the air sampling device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ambient air sampling device, comprising a sampling device body (1), a bracket (2), a sampling tube (4) and a connecting column (3), characterized in that: The bottom of the sampling device body (1) is fixedly connected to the top of the connecting column (3), one end of the sampling device body (1) is connected to one end of the adopting tube (4), the top of the bracket (2) is provided with a movable limiting component (5), and the surface of the connecting column (3) is provided with a connecting and fixing component (6).

2. An ambient air sampling device according to claim 1, characterized in that: The movable limiting assembly (5) comprises a movable groove (51), the interior of the movable groove (51) is movably connected to a connecting rod (52), the top of the connecting rod (52) is fixedly connected to the bottom of the connecting column (3), the outer side of the connecting rod (52) is fixedly connected to a positioning block (53), a plurality of the positioning blocks (53) are provided, and the plurality of positioning blocks (53) are arranged in a ring shape with equal distances, and the surface of the positioning block (53) is movably engaged with the interior of the movable groove (51).

3. An ambient air sampling device according to claim 1, characterized in that: The connection and fixing assembly (6) comprises a limiting groove (61), the limiting groove (61) is movably connected to a limiting ring (62) inside, the limiting ring (62) is fixedly connected to a fixing ring (63) on the outside, the fixing ring (63) is internally threadedly connected to a connecting ring (64), and the bottom of the connecting ring (64) is fixedly connected to the top of the bracket (2).

4. An ambient air sampling device according to claim 3, characterized in that: The outer side of the fixed ring (63) is fixedly connected with a rotating block (7), a plurality of rotating blocks (7) are provided, and the plurality of rotating blocks (7) are arranged at equal distances, and the outer side of the rotating block (7) is provided with an anti-slip sleeve (8).

5. The ambient air sampling device according to claim 2, characterized in that: The bottom of the connecting rod (52) is fixedly connected to an elastic ring (9), and the bottom of the connecting column (3) is fixedly connected to a rubber ring (10).

6. An ambient air sampling device according to claim 3, characterized in that: A protective ring (11) is fixedly connected to the top of the surface of the bracket (2), a protective groove (12) is provided on the top of the protective ring (11), and the bottom of the fixed ring (63) is movably connected to the inside of the protective groove (12).

7. An ambient air sampling device according to claim 3, characterized in that: A sealing ring (13) is fixedly connected to the bottom of the surface of the fixing ring (63), and the bottom of the sealing ring (13) is meshed with the top of the protection ring (11).

8. An ambient air sampling device according to claim 6, characterized in that: A spring (14) is fixedly connected to the bottom of the inner wall of the protective groove (12), a plug-in block (15) is fixedly connected to the top of the spring (14), the top of the plug-in block (15) is movably plugged into the bottom of the fixing ring (63), and a moving rod (16) is fixedly connected to the bottom of the plug-in block (15).

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