CN219319868U

CN219319868U - Movable carried single-particle aerosol sampling device

Info

Publication number: CN219319868U
Application number: CN202320228584.2U
Authority: CN
Inventors: 刘刚; 陈丽
Original assignee: Huai'an Xiangyu Environmental Testing Technology Co ltd
Current assignee: Huai'an Xiangyu Environmental Testing Technology Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-07-07
Anticipated expiration: 2033-02-16

Abstract

The utility model discloses a movable carried single-particle aerosol sampling device which comprises a sampling box, a lifting mechanism and a collecting mechanism, wherein a rotary driving mechanism is arranged at the bottom end of the sampling box, a turntable is arranged on the upper side of the rotary driving mechanism, a plurality of support columns are arranged at the upper end of the turntable, a placing table is arranged in each support column through the lifting mechanism, and the collecting mechanism is arranged in the sampling box corresponding to the placing table. When the sampling device is used, after the sampling work is finished, the rotary handle drives the threaded rod to rotate, and the threaded rod drives the sliding block, the connecting rod, the connecting block, the supporting rod and the placing table to move up and down, so that the sampling film can be conveniently taken out of the groove at one time, collection is not performed one by one, time is saved, and collection efficiency is improved.

Description

Movable carried single-particle aerosol sampling device

Technical Field

The utility model relates to the technical field of atmospheric sampling equipment, in particular to a movably-carried single-particle aerosol sampling device.

Background

Atmospheric aerosols refer to the collective term for solid and liquid particulate matter suspended in the atmosphere, wherein the kinetic diameter of the particulate matter is between 0.001 and 100 μm. Since tiny particles in aerosol are easy to inhale into human body, and may also carry other harmful substances, thereby affecting human health, it is important to study the characteristics of aerosol particles. The sampling method of non-real-time monitoring is used for collecting the particulate matters in the atmosphere, and the particulate matters in the specific dynamic particle size range are generally separated from the atmosphere through the principles of inertial collision, interception, gravity sedimentation, electrostatic attraction, heating power or diffusion and the like and then collected on a sampling membrane. Depending on the characteristics of the target analyte, sampling membranes of different materials (glass fiber membrane, quartz membrane, polypropylene membrane, etc.) may be selected. These methods are simple and feasible and low cost, and then the membrane sample can be analyzed by a variety of instrumental analysis methods. Conventional membrane sampling generally requires longer sampling time, a sample membrane needs pretreatment, the subsequent instrument analysis steps are complicated, and the sampling and analysis of single-particle aerosol are convenient means for researching the morphology and chemical components of aerosol particles. Single particle aerosols refer to individual aerosol particles typically collected on a dedicated sampling film having a diameter of 3mm and a coating thickness of 7-10 nm. The sample film can be placed into a transmission electron microscope or a scanning electron microscope without pretreatment, and single-particle analysis is rapidly carried out on the collected sample through micro-area analysis, so that important information such as the mixing state, morphology, chemical components and the like of particles is obtained.

The utility model provides a single granule aerosol sampling device of portable carrying of chinese patent application number (CN 218411909U), this application patent is realized after the sampling of a sampling membrane is accomplished, the accessible drives the revolving stage rotatory, make next recess just to first intake pipe, sample the sampling membrane in the recess, and so on, accomplish the sampling work of a plurality of sampling membranes on the revolving stage, need not frequent manual trading membrane, but after the sampling is accomplished, when collecting the sampling membrane, the sampling membrane directly exposes in the external world, receive external factor's influence easily and lead to the testing result inaccurate. The present utility model therefore provides a mobile carried single particle aerosol sampling device to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a movably-mounted single-particle aerosol sampling device so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a portable single granule aerosol sampling device who carries on, includes sampling box, elevating system and collects the mechanism, sampling box bottom is equipped with rotary driving mechanism, and rotary driving mechanism upside is equipped with the revolving stage, and the revolving stage upper end is equipped with a plurality of support columns, and is equipped with through elevating system in the support column and places the platform, the sampling incasement corresponds to place the platform and is equipped with and collects the mechanism.

As a further scheme of the utility model, the collecting mechanism comprises a transverse plate, a movable plate, a mounting groove and a second magnet ring, wherein the transverse plate is symmetrically arranged in the sampling box in a left-right manner, the lower end of the transverse plate is symmetrically connected with the movable plate in a sliding manner, the movable plate penetrates through the sampling box, the lower end of the transverse plate is provided with a sliding groove corresponding to the movable plate, and the transverse plate is detachable from the movable plate so as to be convenient to take down.

As a still further scheme of the utility model, the lower end of the transverse plate is provided with a mounting groove corresponding to the supporting column, the mounting groove is internally provided with a second magnet ring corresponding to the first magnet ring, and the first magnet ring and the second magnet ring are attracted to each other, so that the placing table can be conveniently adsorbed on the transverse plate.

As a still further scheme of the utility model, the lifting mechanism comprises a first bearing, a threaded rod, a sliding block, a connecting rod, a handle, a second bearing, a groove, a through groove, a connecting block, a supporting rod, a positioning block, a positioning groove and a first magnet ring, wherein the upper end of the supporting column is correspondingly provided with the groove, the placing table is in sliding connection with the groove, the upper end of the placing table is provided with the first magnet ring, and the sampling film is conveniently placed through the placing table.

As a still further scheme of the utility model, the positioning block is inserted at the lower end of the placing table, the positioning groove is arranged at the lower end of the placing table corresponding to the positioning block, the supporting rod is arranged at the lower end of the positioning block, the connecting block is arranged at the lower end of the supporting rod, and the lower end of the connecting block is attached to the bottom end of the groove, so that the supporting effect on the placing table is conveniently provided.

As a still further proposal of the utility model, the connecting block is provided with a connecting rod, the other end of the connecting rod penetrates through the supporting column, the connecting rod is in sliding connection with the supporting column, the supporting column is provided with a through groove corresponding to the connecting rod, and the connecting rod moves up and down so as to drive the placing table to move synchronously.

As a still further scheme of the utility model, one end of the connecting rod far away from the connecting block is provided with a sliding block, the sliding block is connected with a threaded rod in a threaded way, the lower end of the threaded rod is provided with a first bearing, the lower end of the first bearing is fixedly connected with the rotary table, the upper end of the threaded rod penetrates through the sampling box, the upper end of the threaded rod is provided with a handle, the threaded rod is provided with a second bearing, the lower end of the second bearing is fixedly connected with the sampling box, and the threaded rod is driven to rotate by rotating the handle, so that the sliding block and the placing table are conveniently driven to move up and down.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the sampling device is used, after the sampling work is finished, the rotary handle drives the threaded rod to rotate, and the threaded rod drives the sliding block, the connecting rod, the connecting block, the supporting rod and the placing table to move up and down, so that the sampling film can be conveniently taken out of the groove at one time, collection is not performed one by one, time is saved, and collection efficiency is improved.

2. When the utility model is used, the movable plate is pushed to drive the transverse plates to move close to each other, and when the mounting groove at the lower end of the transverse plates moves to the position right above the groove, the first magnet ring and the second magnet ring are simultaneously arranged to attract each other, so that the placing table is adsorbed on the transverse plates, the sampling film on the placing table is sealed, and the accuracy of the detection result is prevented from being influenced by external factors when the sampling film is collected.

Drawings

Fig. 1 is a schematic structural diagram of a movably mounted single particle aerosol sampling device.

Fig. 2 is a schematic cross-sectional structure of a support column and a cross-plate in a movably mounted single particle aerosol sampling device.

Fig. 3 is an enlarged schematic view of the structure of the movably mounted single particle aerosol sampling device at a in fig. 2.

Fig. 4 is an enlarged schematic view of the structure of the movably mounted single particle aerosol sampling device at B in fig. 2.

In the figure: 1. a turntable; 2. a support column; 3. a rotary driving mechanism; 4. a lifting mechanism; 401. a first bearing; 402. a threaded rod; 403. a slide block; 404. a connecting rod; 405. a handle; 406. a second bearing; 407. a groove; 408. a through groove; 409. a connecting block; 410. a support rod; 411. a positioning block; 412. a positioning groove; 413. a first magnet ring; 5. a collecting mechanism; 501. a cross plate; 502. a moving plate; 503. a mounting groove; 504. a second magnet ring; 6. a sampling box; 7. placing a table.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the present utility model, the term "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described as "exemplary" in this disclosure is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present utility model may be practiced without these specific details. In other instances, well-known structures and processes have not been described in detail so as not to obscure the description of the utility model with unnecessary detail. Thus, the present utility model is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

Examples

Referring to fig. 1 to 4, in the embodiment of the utility model, a single particle aerosol sampling device capable of being movably carried comprises a sampling box 6, a lifting mechanism 4 and a collecting mechanism 5, wherein a rotary driving mechanism 3 is arranged at the bottom end of the sampling box 6, a turntable 1 is arranged on the upper side of the rotary driving mechanism 3, a plurality of support columns 2 are arranged at the upper end of the turntable 1, a placing table 7 is arranged in the support columns 2 through the lifting mechanism 4, and the collecting mechanism 5 is arranged in the sampling box 6 corresponding to the placing table 7.

The lifting mechanism 4 comprises a first bearing 401, a threaded rod 402, a sliding block 403, a connecting rod 404, a handle 405, a second bearing 406, a groove 407, a through groove 408, a connecting block 409, a supporting rod 410, a positioning block 411, a positioning groove 412 and a first magnet ring 413, the upper end of the supporting column 2 is provided with the groove 407 corresponding to the placing table 7, the placing table 7 is in sliding connection with the groove 407, and the upper end of the placing table 7 is provided with the first magnet ring 413.

The positioning block 411 is inserted into the lower end of the placement table 7, a positioning slot 412 is provided at the lower end of the placement table 7 corresponding to the positioning block 411, a support bar 410 is provided at the lower end of the positioning block 411, a connection block 409 is provided at the lower end of the support bar 410, and the lower end of the connection block 409 is attached to the bottom end of the recess 407.

The connecting block 409 is provided with a connecting rod 404, the other end of the connecting rod 404 penetrates through the support column 2, the connecting rod 404 is slidably connected with the support column 2, and the support column 2 is provided with a through groove 408 corresponding to the connecting rod 404.

One end of the connecting rod 404, which is far away from the connecting block 409, is provided with a sliding block 403, the sliding block 403 is connected with a threaded rod 402 in a threaded manner, the lower end of the threaded rod 402 is provided with a first bearing 401, the lower end of the first bearing 401 is fixedly connected with the rotary table 1, the upper end of the threaded rod 402 penetrates through the sampling box 6, the upper end of the threaded rod 402 is provided with a handle 405, the threaded rod 402 is provided with a second bearing 406, and the lower end of the second bearing 406 is fixedly connected with the sampling box 6.

The collection mechanism 5 includes diaphragm 501, movable plate 502, mounting groove 503 and second magnet ring 504, bilateral symmetry is equipped with diaphragm 501 in the sampling box 6, and symmetrical sliding connection movable plate 502 around the diaphragm 501 lower extreme, and movable plate 502 runs through sampling box 6, and diaphragm 501 lower extreme corresponds movable plate 502 and is equipped with the spout, and diaphragm 501 can dismantle with movable plate 502.

The lower end of the transverse plate 501 is provided with a mounting groove 503 corresponding to the support column 2, the mounting groove 503 is internally provided with a second magnet ring 504 corresponding to the first magnet ring 413, and the first magnet ring 413 and the second magnet ring 504 are attracted.

The working principle of the utility model is as follows:

when the sampling device is used, after the sampling work is completed, the rotary handle 405 drives the threaded rod 402 to rotate, the threaded rod 402 drives the slide block 403, the connecting rod 404, the connecting block 409, the supporting rod 410 and the placing table 7 to move up and down, so that the sampling film can be conveniently taken out of the concave groove 407 at one time, one piece of sampling film is not required to be taken up, the time is saved, the taking efficiency is improved, the moving plate 502 is pushed to drive the transverse plates 501 to move close to each other, and when the mounting groove 503 at the lower end of the transverse plates 501 moves to the position right above the concave groove 407, the first magnet ring 413 and the second magnet ring 504 are simultaneously arranged to attract each other, so that the placing table 7 is adsorbed on the transverse plates 501, the sampling film on the placing table 7 is sealed, and the accuracy of detection results is prevented from being influenced by external factors when the sampling film is taken up.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a portable single granule aerosol sampling device who carries on, includes sampling box (6), elevating system (4) and collects mechanism (5), its characterized in that, sampling box (6) bottom is equipped with rotary driving mechanism (3), and rotary driving mechanism (3) upside is equipped with revolving stage (1), and revolving stage (1) upper end is equipped with a plurality of support columns (2), and is equipped with through elevating system (4) in support column (2) and places platform (7), it is equipped with and collects mechanism (5) to correspond in sampling box (6) to place platform (7).

2. The movably-mounted single-particle aerosol sampling device according to claim 1, wherein the lifting mechanism (4) comprises a first bearing (401), a threaded rod (402), a sliding block (403), a connecting rod (404), a handle (405), a second bearing (406), a groove (407), a through groove (408), a connecting block (409), a supporting rod (410), a positioning block (411), a positioning groove (412) and a first magnet ring (413), the upper end of the supporting column (2) is provided with the groove (407) corresponding to the placing table (7), the placing table (7) is in sliding connection with the groove (407), and the upper end of the placing table (7) is provided with the first magnet ring (413).

3. The movably-mounted single-particle aerosol sampling device according to claim 2, wherein a positioning groove (412) is formed in the lower end of the placement table (7), a positioning block (411) is inserted into the positioning groove (412), a supporting rod (410) is arranged at the lower end of the positioning block (411), and a connecting block (409) attached to the bottom end of the groove (407) is arranged at the lower end of the supporting rod (410).

4. A movably mounted single-particle aerosol sampling device according to claim 3, characterized in that the connecting block (409) is provided with a connecting rod (404) penetrating the supporting column (2), the supporting column (2) is provided with a through slot (408) corresponding to the connecting rod (404), and the connecting rod (404) is slidably connected with the through slot (408).

5. The movably mounted single-particle aerosol sampling device according to claim 4, wherein one end of the connecting rod (404) far away from the connecting block (409) is provided with a sliding block (403), the sliding block (403) is connected with a threaded rod (402) in a threaded manner, the lower end of the threaded rod (402) is provided with a first bearing (401) fixedly connected with the turntable (1), the upper end of the threaded rod (402) penetrates through the sampling box (6), the upper end of the threaded rod (402) is provided with a handle (405), and the threaded rod (402) is provided with a second bearing (406) fixedly connected with the sampling box (6).

6. The movably-mounted single-particle aerosol sampling device according to claim 1, wherein the collecting mechanism (5) comprises a transverse plate (501), a movable plate (502), a mounting groove (503) and a second magnet ring (504), wherein the transverse plate (501) is symmetrically arranged in the sampling box (6), the movable plate (502) is symmetrically connected with the lower end of the transverse plate (501) in a sliding manner, the movable plate (502) penetrates through the sampling box (6), a chute is arranged at the lower end of the transverse plate (501) corresponding to the movable plate (502), and the transverse plate (501) is detachable from the movable plate (502).

7. The movably mounted single-particle aerosol sampling device according to claim 6, wherein a mounting groove (503) is formed at the lower end of the transverse plate (501) corresponding to the support column (2), a second magnet ring (504) is formed in the mounting groove (503) corresponding to the first magnet ring (413), and the first magnet ring (413) and the second magnet ring (504) are attracted.