Air sampling device

Abstract

The utility model discloses an air sampling device, which relates to the technical field of air sampling equipment and comprises an air sampler body, a guide upright post, a mounting transverse plate and a combined cutting mechanism, and the combined cutting mechanism comprises a driving motor, a driving speed reducer, a driving rotating shaft, a screw rod, a top disc, a middle disc, a sealing washer, a fixed filter cone and a plate frame. According to the design scheme, through the design of the multiple sets of automatic lifting type plate frames, the cutting discs and the fixed filter cone, the connection mode between the cutting discs of the cutter is optimized from threaded connection to compression sealing connection, lifting and dismounting of a single set of discs can be carried out at any time according to needs, and the use convenience of the cutter is effectively improved; and the sampling efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to atmospheric sampling equipment technical field especially air sampling device. BACKGROUND

[0002] At present, air sampler is widely used in the air quality detection process, wherein when sampling and detecting air particulate matter, cutter is needed, the cutter at present is generally composed of multiple cutting discs and particulate matter filter paper disc, and each disc is assembled and installed in a threaded connection mode, the operation is cumbersome, the disassembly and assembly convenience is poor during the whole cutter disassembly, cleaning and filter paper replacement process, and the overall sampling efficiency is affected. CONTENT OF UTILITY MODEL

[0003] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides an air sampling device.

[0004] The utility model discloses a technical scheme that solves its technical problem is: an air sampling device, including air sampler body, guide vertical column, installation horizontal board, combination cutting mechanism, the combination cutting mechanism includes drive motor, drive speed reducer, drive pivot, screw rod, top disc, middle disc, sealing washer, fixed filter, board frame, guide sliding block, magnetic force suction piece, threaded slide, gear ring, installation sliding slot, sliding tooth block, ejection spring, electromagnetic suction piece, adsorption column, the combination cutting mechanism is divided into 2 groups and left and right symmetry setting installs on air sampler body upper end, the guide vertical column rigidity installs on air sampler body upper end surface, the installation horizontal board rigidity installs on the upper end surface of guide vertical column, drive motor passes through motor support rigidity and installs on installation horizontal board upper end surface, drive speed reducer passes through the speed reducer support and is fixed in drive motor casing, drive pivot rigidity installs on drive speed reducer power output, drive pivot passes through bearing cooperation and installs on installation horizontal board, the screw rod first end rigidity installs on drive pivot, and the screw rod passes through screw rod seat cooperation and installs on air sampler body upper end surface, and the top disc and middle disc all cooperate and install on board frame, and the top disc and middle disc and middle disc and middle disc between through sealing washer pressure tight seal cooperation and install, and the middle disc and fixed filter between through sealing washer pressure tight seal cooperation and install, the fixed filter rigidity installs on air sampler body upper end surface, threaded slide passes through the thrust bearing cooperation and installs on board frame, threaded slide cooperation and installs on screw rod, the guide sliding block sets up in board frame, the guide sliding block cooperation and installs in the guide sliding slot that guide vertical column lateral wall seted up, the magnetic force suction piece rigidity in the inner recess inner wall that board frame seted up, the gear ring sets up in threaded slide outer lateral wall, the installation sliding slot sets up in board frame inside hollow place, the sliding tooth block cooperation and installs in installation sliding slot, the ejection spring rigidity connects and installs between sliding tooth block and installation sliding slot bottom surface, the electromagnetic suction piece rigidity installs in installation sliding slot bottom surface and is located in the position that ejection spring surrounds, the adsorption column sets up in sliding tooth block lateral wall.

[0005] The sliding tooth block is engaged with the gear ring in the lifting and moving state of the board frame.

[0006] The utility model discloses the beneficial effect is, the utility model discloses the design scheme through multiple sets of automatic lifting type board frame and the design of cutting disc and fixed filter makes the connection mode between each cutting disc of cutting device optimize pressure tight seal connection from screw connection, and can according to need lift and dismount single group disc at any time, effectively improved the use convenience of cutting device, is favorable to improve sampling efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0007] The utility model is further described below in connection with the drawings and examples.

[0008] Figure 1 It is whole structure schematic diagram of the utility model.

[0009] Figure 2 The whole structure of the tray rack is shown in the plan view of the utility model.

[0010] Figure 3 The A area is shown in the enlarged view of the utility model.

[0011] 1. air sampler body, 2. guide column, 3. installation horizontal plate, 4. drive motor, 5. drive speed reducer, 6. drive rotating shaft, 7. screw rod, 8. top disc, 9. middle disc, 10. sealing washer, 11. fixed filter, 12. plate rack, 13. guide sliding block, 14. magnetic force suction block, 15. threaded sliding block, 16. gear ring, 17. installation sliding groove, 18. sliding gear block, 19. ejection spring, 20. electromagnetic suction block, 21. adsorption column. DETAILED DESCRIPTION

[0012] In order to more clearly illustrate the technical scheme of the utility model, the utility model is further described below in combination with the drawings. Obviously, the drawings described below are only one embodiment of the utility model, and for those skilled in the art, other embodiments can be obtained according to the drawings and the embodiment without paying creative labor, and all belong to the protection scope of the utility model.

[0013] The utility model provides an air sampling device, including air sampler body 1, guide column 2, installation horizontal plate 3, combined cutting mechanism, the combined cutting mechanism includes drive motor 4, drive speed reducer 5, drive pivot 6, screw rod 7, top disc 8, intermediate disc 9, sealing washer 10, fixed filter 11, board frame 12, guide sliding block 13, magnetic force suction piece 14, threaded sliding block 15, gear ring 16, installation sliding groove 17, sliding tooth block 18, eject spring 19, electromagnetic suction piece 20, adsorption column 21, the combined cutting mechanism is installed on air sampler body 1 upper end and is arranged in 2 groups left and right symmetry, the guide column 2 rigidity is installed on air sampler body 1 upper end surface, the installation horizontal plate 3 rigidity is installed on the upper end surface of guide column 2, drive motor 4 is through motor support rigidity and is installed on the upper end surface of installation horizontal plate 3, drive speed reducer 5 is fixed in drive motor 4 shell through speed reducer support, drive pivot 6 rigidity is installed on drive speed reducer 5 power output, drive pivot 6 is through bearing cooperation and is installed on installation horizontal plate 3, screw rod 7 first end rigidity is installed on drive pivot 6, screw rod 7 is through screw rod seat cooperation and is installed on air sampler body 1 upper end surface, top disc 8 and intermediate disc 9 all cooperate and install in board frame 12, top disc 8 and intermediate disc 9 and intermediate disc 9 and intermediate disc 9 are through sealing washer 10 and are tightly sealed and cooperate and install, intermediate disc 9 and fixed filter 11 are through sealing washer 10 and are tightly sealed and cooperate and install, fixed filter 11 rigidity is installed on air sampler body 1 upper end surface, threaded sliding block 15 is through thrust bearing cooperation and is installed on board frame 12, threaded sliding block 15 cooperation and install in screw rod 7, guide sliding block 13 is arranged in board frame 12, guide sliding block 13 cooperation and install in the guide sliding slot of guide column 2 side wall arrangement, magnetic force suction piece 14 rigidity is arranged in the inner groove inner wall of board frame 12, gear ring 16 is arranged in the outer lateral wall of threaded sliding block 15, installation sliding groove 17 is arranged in the internal hollow place of board frame 12, sliding tooth block 18 cooperation and install in installation sliding groove 17, eject spring 19 rigidity is connected and is installed between sliding tooth block 18 and installation sliding groove 17 bottom surface, electromagnetic suction piece 20 rigidity is installed in installation sliding groove 17 bottom surface and is located in the position of the inside circumference of eject spring 19, adsorption column 21 is arranged in the lateral wall of sliding tooth block 18.

[0014] In detail, the sliding tooth block 18 is engaged with the gear ring 16 in the lifting and moving state of the board frame 12.

[0015] The above examples are only exemplary embodiments of the utility model and are not used to limit the utility model, and the protection scope of the utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the utility model within the spirit and protection scope of the utility model, and the modification or equivalent replacement should also be regarded as falling within the protection scope of the utility model.

Claims

1. An air sampling device comprising an air sampler body (1), a guide column (2), a mounting plate (3), a combined cutting mechanism, characterized in that: The combined cutting mechanism includes a driving motor (4), a driving speed reducer (5), a driving rotating shaft (6), a screw rod (7), a top disc (8), a middle disc (9), a sealing washer (10), a fixed filter (11), a plate frame (12), a guide sliding block (13), a magnetic suction block (14), a threaded sliding block (15), a gear ring (16), a mounting sliding groove (17), a sliding tooth block (18), an ejection spring (19), an electromagnetic suction block (20), and a suction column (21). The combined cutting mechanism is symmetrically arranged in two groups and is installed on the upper end of the air sampler body (1). The guide column (2) is rigidly installed on the upper end surface of the air sampler body (1). The mounting horizontal plate (3) is rigidly installed on the upper end surface of the guide column (2). The driving motor (4) is rigidly installed on the upper end surface of the mounting horizontal plate (3) through a motor support. The driving speed reducer (5) is fixed to the housing of the driving motor (4) through a speed reducer support. The driving rotating shaft (6) is rigidly installed on the power output end of the driving speed reducer (5). The driving rotating shaft (6) is installed on the mounting horizontal plate (3) through bearing cooperation. The first end of the screw rod (7) is rigidly installed on the driving rotating shaft (6). The screw rod (7) is installed on the upper end surface of the air sampler body (1) through a screw rod seat. The top disc (8) and the middle disc (9) are both cooperatively installed on the plate frame (12). The top disc (8) and the middle disc (9) and the middle disc (9) are cooperatively installed through the compression sealing cooperation of the sealing washer (10). The middle disc (9) and the fixed filter (11) are cooperatively installed through the compression sealing cooperation of the sealing washer (10). The fixed filter (11) is rigidly installed on the upper end surface of the air sampler body (1). The threaded sliding block (15) is cooperatively installed on the plate frame (12) through a thrust bearing. The threaded sliding block (15) is cooperatively installed on the screw rod (7). The guide sliding block (13) is arranged on the plate frame (12). The guide sliding block (13) is cooperatively installed in the guide sliding groove arranged on the side wall of the guide column (2). The magnetic suction block (14) is rigidly arranged in the inner groove of the plate frame (12). The gear ring (16) is arranged on the outer side wall of the threaded sliding block (15). The mounting sliding groove (17) is arranged in the hollow part of the plate frame (12). The sliding tooth block (18) is cooperatively installed in the mounting sliding groove (17). The ejection spring (19) is rigidly connected and installed between the sliding tooth block (18) and the bottom surface of the mounting sliding groove (17). The electromagnetic suction block (20) is rigidly installed on the bottom surface of the mounting sliding groove (17) and is located in the inner surrounding position of the ejection spring (19). The suction column (21) is arranged on the side wall of the sliding tooth block (18).

2. An air sampling device according to claim 1, wherein, The sliding tooth block (18) is engaged with the gear ring (16) in the lifting and moving state of the plate frame (12).

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