CN220671052U

CN220671052U - Portable dust sampling equipment

Info

Publication number: CN220671052U
Application number: CN202322112047.4U
Authority: CN
Inventors: 王雨薇; 杜姗姗; 李阳; 李子洋; 于艳阳
Original assignee: Jilin Huijin Analysis And Testing Co ltd
Current assignee: Jilin Huijin Analysis And Testing Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-03-26
Anticipated expiration: 2033-08-07

Abstract

The utility model discloses portable dust sampling equipment, which relates to the technical field of dust sampling and aims at solving the problems that the sampling equipment in the prior art is large in size, inconvenient to carry and incapable of being quickly assembled and disassembled and then collecting dust.

Description

Portable dust sampling equipment

Technical Field

The utility model belongs to the technical field of dust sampling, and particularly relates to portable dust sampling equipment.

Background

Dust measurement is mainly used for evaluating the labor sanitation condition of dust operation, discussing the relation between the dust contact amount and the health of a contactor and judging the sanitation effect of dustproof measures, and in order to monitor the dust content in the air, various dust sampling devices are already on the market, but the dust sampling devices are large in size, inconvenient to carry and incapable of being quickly assembled and disassembled for dust collection.

At present, the utility model patent with the patent number of CN211085787U discloses a dust sampling device, which comprises a machine body, an air pump arranged in the machine body, an air extracting pipe communicated with the air pump, and a collecting head arranged on the side wall of the machine body in a communicating manner: the side wall of the machine body is fixedly connected with a fixed ring communicated with the interior of the machine body, and the collecting head comprises a conical part inserted into the fixed ring and a collecting ring connected to one end of the conical part far away from the machine body; the side wall of the collecting ring is provided with a placing opening communicated with the inside of the collecting ring, the vertical section of the placing opening is semicircular, the inside of the placing opening is provided with a filter membrane seat, and the outer side wall of the filter membrane seat is abutted against the inner side wall of the collecting ring.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide portable dust sampling equipment, which aims to solve the problems that the existing sampling equipment is large in size, inconvenient to carry and incapable of collecting dust after being quickly disassembled.

(2) Technical proposal

In order to solve the technical problems, the utility model provides portable dust sampling equipment, which comprises a cylinder body and a fixed column fixedly arranged on the inner wall of the cylinder body; the inner wall fixed mounting of fixed column has the aspiration pump, the air inlet fixed mounting of aspiration pump has the intake pipe, the upper end fixed mounting of intake pipe has the filler pipe, the upper end fixed mounting of barrel has the second screw thread post, evenly distributed's draw-in groove has been fixedly seted up to the upper end of second screw thread post, the inner wall movable mounting of barrel has the movable column, the spacing groove has been seted up in the upper and lower both ends penetration of movable column, the lower extreme inner wall fixed mounting of spacing groove has the filter membrane, the outer wall fixed mounting of movable column has evenly distributed's buckle, buckle and draw-in groove looks adaptation.

When using the sampling equipment of this technical scheme, place the sampling equipment in needs sampling, open the aspiration pump and make the intake pipe begin to breathe in, on the dust in the air falls to the filter membrane, holistic structure is comparatively simple, does benefit to and makes sampling equipment possess less size, portable takes off the buckle from the draw-in groove, can detect the dust on the filter membrane after taking out the filter membrane, and the clean filter membrane of change again samples, can improve sampling equipment's quick assembly disassembly function.

Further, the upper end movable mounting of barrel has the top cap, the fixed second helicoidal groove of having seted up of inner wall of top cap, second helicoidal groove and second screw thread post looks adaptation can carry out the dust sampling after taking down the top cap, utilize the top cap to prevent dust to inside when equipment is idle, do benefit to the dust resistance that improves sampling equipment.

Further, the lower extreme movable mounting of barrel has the base, the lower extreme fixed mounting of barrel has first screw thread post, can clear up inside remaining dust after dismantling the base, does benefit to the detachability that improves the base.

Further, the upper end of base is fixed to be seted up first helicoidal groove, first helicoidal groove and first screw thread post looks adaptation, the setting of first screw thread post does benefit to the fastness that improves the base installation.

Further, the ventilation holes are formed in the upper end and the lower end of the base in a penetrating mode, the air outlet of the air pump is fixedly provided with the air outlet pipe, and air exhausted by the air pump is exhausted from the ventilation holes, so that the air of the air pump can be normally exhausted.

Further, the inner wall fixed mounting of barrel has the battery, and the battery supplies power to the aspiration pump of inside, charges through the mouth that charges when the electric quantity is not enough, has replaced the plug to supply power, makes sampling equipment portable.

Further, the rack is movably arranged on the outer wall of the cylinder body, and the arrangement of the rack is beneficial to improving the convenience of sampling equipment.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: according to the portable dust sampling device, the cylinder, the air suction pump, the air inlet pipe, the funnel pipe, the filter membrane and the fixed column are arranged, the sampling device is placed at a place needing to be sampled, the air suction pump is started to enable the air inlet pipe to start sucking air, dust in air falls onto the filter membrane, the structure is simple, the portable dust sampling device is beneficial to enabling the sampling device to have smaller body type and convenient to carry, the second threaded column, the clamping groove and the clamping buckle are arranged, the clamping buckle is taken off from the clamping groove, dust on the filter membrane can be detected after the filter membrane is taken out, and then the clean filter membrane is replaced to sample, so that the quick dismounting function of the sampling device is improved.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of a portable dust sampling apparatus according to the present utility model;

FIG. 2 is a schematic diagram of a three-dimensional split structure of a top cover, a cylinder, and a base of a portable dust sampling device according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a three-dimensional split structure of a movable column and a cylinder of a portable dust sampling apparatus according to an embodiment of the present utility model;

fig. 4 is a schematic internal perspective view of a barrel of an embodiment of the portable dust sampling apparatus of the present utility model.

The marks in the drawings are: 1. a cylinder; 2. a placing rack; 3. a top cover; 4. a base; 5. a vent hole; 6. a first screw groove; 7. a first threaded post; 8. a second threaded post; 9. a movable column; 10. a second screw groove; 11. a limit groove; 12. a filter membrane; 13. a buckle; 14. a clamping groove; 15. a storage battery; 16. fixing the column; 17. an air extracting pump; 18. an air outlet pipe; 19. an air inlet pipe; 20. a funnel tube.

Detailed Description

The specific embodiment is a portable dust sampling device, the schematic three-dimensional structure of which is shown in fig. 1, the schematic three-dimensional split structure of a top cover 3, a cylinder 1 and a base 4 of the sampling device is shown in fig. 2, and the portable dust sampling device comprises a cylinder 1 and a fixed column 16 fixedly arranged on the inner wall of the cylinder 1; the inner wall fixed mounting of fixed column 16 has aspiration pump 17, aspiration pump 17's air inlet fixed mounting has intake pipe 19, intake pipe 19's upper end fixed mounting has funnel 20, barrel 1's upper end fixed mounting has second screw thread post 8, evenly distributed's draw-in groove 14 has been fixedly seted up to the upper end of second screw thread post 8, barrel 1's inner wall movable mounting has movable column 9, limit groove 11 has been seted up in the upper and lower both ends run through of movable column 9, limit groove 11's lower extreme inner wall fixed mounting has filter membrane 12, movable column 9's outer wall fixed mounting has evenly distributed's buckle 13, buckle 13 and draw-in groove 14 looks adaptation.

In order to enable sampling equipment to have detachability, the upper end movable mounting of barrel 1 has top cap 3, the fixed second helicoidal groove 10 of having seted up of inner wall of top cap 3, second helicoidal groove 10 and second screw thread post 8 looks adaptation, the lower extreme movable mounting of barrel 1 has base 4, the lower extreme fixed mounting of barrel 1 has first screw thread post 7, first helicoidal groove 6 has been fixedly seted up to the upper end of base 4, first helicoidal groove 6 and first screw thread post 7 looks adaptation can carry out the dust sampling after taking down top cap 3, utilize top cap 3 to prevent dust to inside when equipment is idle, can clear up inside remaining dust after taking down base 4, can make sampling equipment have detachability.

In order to exhaust the wind drawn into the cylinder 1, the upper and lower ends of the base 4 are provided with ventilation holes 5 in a penetrating manner, the air outlet of the air pump 17 is fixedly provided with an air outlet pipe 18, and the wind of the air pump 17 is exhausted from the ventilation holes 5, so that the wind drawn into the cylinder 1 can be exhausted.

In order to improve sampling equipment's convenience, the inner wall fixed mounting of barrel 1 has battery 15, and the outer wall movable mounting of barrel 1 has rack 2, and battery 15 supplies power to the aspiration pump 17 of inside, charges through the mouth that charges when the electric quantity is not enough, places sampling equipment in the place that needs the sample with the help of rack 2, can improve sampling equipment's convenience.

The schematic diagram of the three-dimensional split structure of the movable column 9 and the cylinder 1 of the portable dust sampling device is shown in fig. 3, and the schematic diagram of the internal three-dimensional structure of the cylinder 1 of the portable dust sampling device is shown in fig. 4.

When using the sampling equipment of this technical scheme, place the sampling equipment in needs sampling, take down the top cap 3 after with filter membrane 12 on the sampling equipment change clean filter membrane 12, open aspiration pump 17 makes intake pipe 19 begin to breathe in, dust in the air falls to filter membrane 12, the steam generator is comparatively simple in structure, do benefit to and make the sampling equipment possess less size, portable takes down buckle 13 from draw-in groove 14, can detect the dust on the filter membrane 12 after taking out filter membrane 12, the clean filter membrane 12 of re-replacement samples, take down base 4 after the use is clear up inside remaining dust, prevent that the dust from blocking up ventilation hole 5, can improve the quick assembly disassembly function of sampling equipment, charge battery 15 through the mouth that charges, battery 15 supplies power for aspiration pump 17, can improve sampling equipment's convenience.

Claims

1. The portable dust sampling device comprises a cylinder body and a fixed column fixedly arranged on the inner wall of the cylinder body; the novel air suction device is characterized in that an air suction pump is fixedly arranged on the inner wall of the fixed column, an air inlet pipe is fixedly arranged on the air inlet of the air suction pump, a funnel pipe is fixedly arranged on the upper end of the air inlet pipe, a second threaded column is fixedly arranged on the upper end of the cylinder body, clamping grooves which are uniformly distributed are fixedly arranged on the upper end of the second threaded column, movable columns are movably arranged on the inner wall of the cylinder body, limiting grooves are formed in the upper end and the lower end of the movable columns in a penetrating mode, a filter membrane is fixedly arranged on the inner wall of the lower end of the limiting grooves, and buckles which are uniformly distributed are fixedly arranged on the outer wall of the movable columns and are matched with the clamping grooves.

2. The portable dust sampling device according to claim 1, wherein a top cover is movably mounted at the upper end of the cylinder, and a second screw groove is fixedly formed in the inner wall of the top cover and is matched with the second screw column.

3. The portable dust sampling device of claim 1, wherein the lower end of the cylinder is movably provided with a base, and the lower end of the cylinder is fixedly provided with a first threaded column.

4. A portable dust sampling device according to claim 3, wherein a first screw groove is fixedly formed in the upper end of the base, and the first screw groove is adapted to the first screw column.

5. A portable dust sampling device according to claim 3, wherein the upper and lower ends of the base are provided with ventilation holes therethrough, and the air outlet of the air pump is fixedly provided with an air outlet pipe.

6. The portable dust sampling device of claim 1, wherein the inner wall of the barrel is fixedly provided with a storage battery.

7. The portable dust sampling device of claim 1, wherein the outer wall of the barrel is movably mounted with a rack.