CN220960816U - Constant temperature constant flow atmosphere and particulate matter sampling device - Google Patents

Abstract

The utility model relates to the field of sampling devices and discloses a constant-temperature constant-current air and particulate matter sampling device which comprises a sampling device, wherein a supporting frame is fixedly arranged at the top end of the sampling device, an air pump is fixedly arranged in the supporting frame, a vertical air pumping pipeline is fixedly arranged at the top end of the air pump, a vertical frame is welded at the top end of the air pumping pipeline, a mounting ring is fixedly connected right above the top end of the vertical frame corresponding to the air pumping pipeline, a horizontal rotating shaft is fixedly arranged in the mounting ring, the end part of the rotating shaft is fixedly connected with the inner wall of the mounting ring, a worm is rotationally sleeved on the rotating shaft, one end head of the rotating shaft extends out of the mounting ring and is fixedly connected with a handle, and a lifting assembly is arranged on the worm.

Description

Constant temperature constant flow atmosphere and particulate matter sampling device

Technical Field

The utility model relates to the field of sampling devices, in particular to a constant-temperature constant-current atmospheric and particulate sampling device.

Background

Often need examine the environment before environmental remediation, need detect the particulate matter in the air environment, still need carry out sampling detection after handling the gas, consequently, need use particulate matter sampling device to sample, current particulate matter sampling device adopts the air sample in the extraction of aspiration pump extraction environment generally, again with the extraction air sample exhaust to the inside filter membrane of collecting box, suspended particulate matter adheres to on the filter membrane, in the suction air to aspiration pump in-process, the air is through on the aspiration pump in the aspiration pipeline suction aspiration pump, particulate matter in a large amount of air can adsorb on the inner wall of aspiration pipeline, consequently, enter into in the aspiration pump, thereby unable accurate test goes out air quality, cause uncertainty to the sampling result, we propose a constant temperature constant current atmosphere and particulate matter sampling device for this reason.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a constant-temperature constant-flow atmosphere and particulate sampling device, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a constant temperature constant current atmosphere and particulate matter sampling device, includes sampling device, sampling device's top fixed mounting has the support frame, fixed mounting has the aspiration pump in the support frame, the top of aspiration pump has set firmly the air extraction pipeline of vertical form, the top welding of air extraction pipeline has the grudging post, the top of grudging post has linked firmly the collar directly over corresponding air extraction pipeline, the pivot of horizontal form has been set firmly in the collar, the tip and the inner wall of collar of pivot link firmly, the worm has been cup jointed in the pivot rotation, the collar has been extended to one of them one end of pivot and has been linked firmly the handle, be provided with the lifting subassembly on the worm.

Preferably, the lifting assembly comprises a linkage shaft, a worm wheel and a large gear, wherein the linkage shaft is fixedly installed below the inner wall of the mounting ring corresponding to the worm, two ends of the linkage shaft are fixedly connected with the inner wall of the mounting ring, the worm wheel meshed with the worm is rotationally sleeved on the linkage shaft, the large gear is rotationally sleeved on the side edge of the linkage shaft corresponding to the worm wheel, and the large gear is fixedly connected with the worm wheel.

Preferably, the inner wall sliding connection of the air extraction pipeline has a scraper, and the outer wall of the scraper is attached to the inner wall of the air extraction pipeline.

Preferably, the inner wall of the scraping plate is fixedly provided with two groups of cross-shaped connecting frames, and round cake blocks are fixedly connected at the intersecting positions of the two groups of connecting frames.

Preferably, the lifting assembly further comprises a rack, wherein the top end of the cake block is fixedly connected with a vertical rack corresponding to the side edge of the worm, and the rack is meshed with the large gear.

Preferably, the stand is provided with four groups which are arranged in an annular equidistant manner, and the bottom end of the stand is fixedly connected with the top end of the air exhaust pipeline.

(III) beneficial effects

Compared with the prior art, the utility model provides a constant-temperature constant-current atmosphere and particulate matter sampling device, which has the following beneficial effects:

1. This constant temperature constant current atmosphere and particulate matter sampling device drives worm meshing worm wheel through rotating the handle and rotates, and the scraper blade that drives the rack bottom of gear meshing when the worm wheel rotates rises or descends, and then will adsorb in the suction line inner wall is scraped to particulate matter through the outer wall of scraper blade and is sent to the aspiration pump in, and this device is scraped effectually, has effectually solved when the aspiration pump is to the air sampling, and particulate matter adsorbs and can't be the problem in the suction line inner wall is sent to the aspiration pump fast, has avoided the absorption of particulate matter when sampling the air results in the unstable factor of sampling result.

Drawings

FIG. 1 is a schematic back view of the present utility model;

FIG. 2 is a schematic front view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure of the air extraction pipeline and the mounting ring of the utility model.

In the figure: 1. a sampling device; 2. a support frame; 3. an air extracting pump; 4. an air extraction pipeline; 5. a vertical frame; 6. a mounting ring; 7. a rotating shaft; 8. a worm; 9. a handle; 10. a linkage shaft; 11. a worm wheel; 12. a large gear; 13. a scraper; 14. a rack; 15. a connecting frame; 16. cake blocks.

Detailed Description

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 be within the scope of the utility model.

Referring to fig. 1-3, a constant temperature constant flow atmosphere and particulate matter sampling device comprises a sampling device 1, wherein a support frame 2 is fixedly arranged at the top end of the sampling device 1, an air pump 3 is fixedly arranged in the support frame 2, a vertical air extraction pipeline 4 is fixedly arranged at the top end of the air pump 3, a vertical frame 5 is welded at the top end of the air extraction pipeline 4, a mounting ring 6 is fixedly connected right above the top end of the vertical frame 5 corresponding to the air extraction pipeline 4, a horizontal rotating shaft 7 is fixedly arranged in the mounting ring 6, the end part of the rotating shaft 7 is fixedly connected with the inner wall of the mounting ring 6, a worm 8 is sleeved on the rotating shaft 7 in a rotating manner, one end head of the rotating shaft 7 extends out of the mounting ring 6 and is fixedly connected with a handle 9, and a lifting assembly is arranged on the worm 8.

Further, the lifting assembly comprises a linkage shaft 10, a worm wheel 11 and a large gear 12, the linkage shaft 10 is fixedly installed below the corresponding worm 8 on the inner wall of the mounting ring 6, two ends of the linkage shaft 10 are fixedly connected with the inner wall of the mounting ring 6, the worm wheel 11 meshed with the worm 8 is rotatably sleeved on the linkage shaft 10, the large gear 12 is rotatably sleeved on the side edge of the linkage shaft 10 corresponding to the worm wheel 11, the large gear 12 is fixedly connected with the worm wheel 11, when the device starts to operate, the air pump 3 on the sampling device 1 starts to pump external air, and the air enters the air pump 3 through a gap between the mounting ring 6 and the air pumping pipeline 4 through the mounting ring 6.

Further, the inner wall sliding connection of the air extraction pipeline 4 has the scraper blade 13, and the outer wall of scraper blade 13 laminates with the inner wall of air extraction pipeline 4, when the particulate matter in the air is adsorbed to the inner wall of air extraction pipeline 4 and need be transported to the aspiration pump 3, can rotate handle 9 this moment, and the end that handle 9 was kept away from to the pivot 7 that is connected on handle 9 rotates at the inner wall of air extraction pipeline 4.

Further, two groups of cross-shaped connecting frames 15 are fixedly arranged on the inner wall of the scraping plate 13, round cake blocks 16 are fixedly connected to the intersecting positions of the two groups of connecting frames 15, the rotating shaft 7 rotates and drives the worm 8 to synchronously rotate, and the worm wheel 11 meshed with the worm 8 rotates along with the worm 8.

Further, the lifting assembly further comprises a rack 14, the top end of the cake 16 is fixedly connected with the vertical rack 14 corresponding to the side edge of the worm 8, the rack 14 is meshed with the large gear 12, the worm wheel 11 rotates and drives the large gear 12 to synchronously rotate, and meanwhile, two ends of the linkage shaft 10 are driven to rotate on the inner wall of the mounting ring 6.

Further, the stand 5 is provided with four groups, is annular equidistance and arranges, and the bottom of stand 5 links firmly with the top of bleed pipeline 4, drives rack 14 downwardly movement when gear wheel 12 rotates, and then follow rack 14 and descend in step by scraper blade 13 of rack 14 bottom, and the particulate matter of the inner wall of scraper blade 13 with bleed pipeline 4 pushes away in the aspiration pump 3 when scraper blade 13 descends.

Working principle: when the device starts to work, the air pump 3 on the sampling device 1 starts to pump outside air, the air passes through a gap between the mounting ring 6 and the air extraction pipeline 4 and then enters the air pump 3 through the mounting ring 6, when particles in the air are adsorbed to the inner wall of the air extraction pipeline 4 and need to be transported to the air pump 3, the handle 9 can be rotated at the moment, the end, far away from the handle 9, of the rotating shaft 7 connected to the handle 9 rotates on the inner wall of the air extraction pipeline 4, the rotating shaft 7 rotates and drives the worm 8 to synchronously rotate, the worm wheel 11 meshed with the worm 8 rotates along with the worm 8, the worm wheel 11 rotates and simultaneously drives the large gear 12 to synchronously rotate, two ends of the universal driving shaft 10 simultaneously rotate on the inner wall of the mounting ring 6, the rack 14 is driven to move downwards when the large gear 12 rotates, the scraper 13 at the bottom end of the rack 14 synchronously descends along with the rack 14, and the outer wall of the scraper 13 pushes the particles on the inner wall of the air extraction pipeline 4 into the air pump 3 when the scraper 13 descends.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a constant temperature constant current atmosphere and particulate matter sampling device, includes sampling device (1), its characterized in that: the top fixed mounting of sampling device (1) has support frame (2), fixed mounting has aspiration pump (3) in support frame (2), the top of aspiration pump (3) has set firmly vertical form's bleed line (4), the top welding of bleed line (4) has grudging post (5), the top of grudging post (5) has linked firmly collar (6) directly over corresponding bleed line (4), set firmly horizontal pivot (7) in collar (6), the tip and the inner wall of collar (6) of pivot (7) link firmly, rotate on pivot (7) and cup jointed worm (8), wherein one end of pivot (7) extends collar (6) and has linked firmly handle (9), be provided with the lifting subassembly on worm (8).

2. The constant temperature and constant flow atmospheric and particulate sampling device of claim 1, wherein: the lifting assembly comprises a linkage shaft (10), a worm wheel (11) and a large gear (12), wherein the linkage shaft (10) is fixedly installed below the inner wall of the mounting ring (6) corresponding to the worm (8), two ends of the linkage shaft (10) are fixedly connected with the inner wall of the mounting ring (6), the worm wheel (11) meshed with the worm (8) is rotatably sleeved on the linkage shaft (10), the large gear (12) is rotatably sleeved on the side edge of the linkage shaft (10) corresponding to the worm wheel (11), and the large gear (12) is fixedly connected with the worm wheel (11).

3. The constant temperature and constant flow atmospheric and particulate sampling device of claim 1, wherein: the inner wall sliding connection of the air extraction pipeline (4) has scraper blade (13), and the outer wall of scraper blade (13) is laminated with the inner wall of air extraction pipeline (4).

4. A constant temperature, constant flow atmospheric and particulate sampling device according to claim 3, wherein: the inner wall of the scraping plate (13) is fixedly provided with two groups of cross-shaped connecting frames (15), and round cake blocks (16) are fixedly connected at the intersecting intersections of the two groups of connecting frames (15).

5. The constant temperature and constant flow atmospheric and particulate sampling device of claim 4, wherein: the lifting assembly further comprises a rack (14), the top end of the round cake block (16) is fixedly connected with the vertical rack (14) corresponding to the side edge of the worm (8), and the rack (14) is meshed with the large gear (12).

6. A constant temperature, constant flow atmospheric and particulate sampling device according to claim 3, wherein: the stand (5) is provided with four groups which are arranged in an annular equidistant manner, and the bottom end of the stand (5) is fixedly connected with the top end of the air exhaust pipeline (4).