CN211179128U

CN211179128U - Dust sampling device

Info

Publication number: CN211179128U
Application number: CN201921991418.8U
Authority: CN
Inventors: 杨海良
Original assignee: Guangzhou Ankang Detection Technology Co ltd
Current assignee: Guangzhou Ankang Detection Technology Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-08-04
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a dust sampling device, including sampling shell, apron, intake pipe, blast pipe, spacing retaining ring, compression spring, connecting pipe, mounting flange, sample thief, sampling frame, filter membrane, aspiration pump, battery, mount pad, flexible interior pole, flexible outer pole and base. The utility model has the advantages that: the intake pipe is elastic connection through compression spring and sampling shell, can carry out the centre gripping to installing the sample thief between flange fixed, the top of flexible interior pole is through placeeing in the seat of placeeing and is rotated with the seat of placeeing and be connected, and flexible interior pole is equipped with fastening bolt with the junction of seat of placeeing, be convenient for rotate sampling shell and fixed, can adjust and sample the air of equidirectional, the bottom of flexible interior pole is telescopic arrangement through placeeing in flexible outer pole, and flexible interior pole is equipped with fastening bolt with the junction of flexible outer pole, be convenient for reciprocate sampling shell and fixed, and then can adjust and sample the air of co-altitude not.

Description

Dust sampling device

Technical Field

The utility model relates to a sampling device specifically is a dust sampling device belongs to dust sampling equipment technical field.

Background

The dust sampler is a portable device for collecting dust samples in dust-containing air. The dust concentration in the air is measured, and besides the requirement of safety production management, the dust concentration measuring instrument also aims to provide scientific basis for researching measures of dust prevention, dust fall and dust removal. The dust measurement by using the sampler is a well-known method with higher accuracy. The device is widely applied to health monitoring and evaluation of departments such as disease prevention, environmental monitoring, labor protection, safety supervision, military, scientific research and teaching, metallurgy, petrochemical industry, railways, building materials and the like, and is specially used for measuring the average concentration of dust in the air in workplaces of production teams and groups.

For the existing dust sampling device, one of the dust sampling device and the filter membrane used for sampling are often clamped and fixed through bolts, so that the filter membrane is inconvenient to mount or take down, time is wasted, and the height of the device and the sampling direction are not convenient to adjust, so that the existing sampling device is poor in practicability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is just to provide a dust sampling device in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a dust sampling device comprises a sampling shell, a cover plate, an air inlet pipe, an exhaust pipe, a limiting retainer ring, a compression spring, a connecting pipe, a fixing flange, a sampler, a sampling outer frame, a filter membrane, an air pump, a storage battery, a placing seat, a telescopic inner rod, a telescopic outer rod and a base; the sampling shell is positioned at the top end of the device, the upper plate surface of the sampling shell is provided with a cover plate, the air inlet pipe is connected to one side of the sampling shell, the air inlet pipe is fixedly welded on a pipe body positioned in the sampling shell and is provided with a limit check ring, the compression spring is sleeved on the pipe body of the air inlet pipe between the limit check ring and the inner wall of the sampling shell, the connecting pipe is arranged between the air inlet pipe and the air pump, the fixing flanges are respectively connected to the pipe orifices of the air inlet pipe and the connecting pipe, the sampler is clamped between the fixing flanges and is positioned under the cover plate, the sampler is composed of a sampling outer frame and a filter membrane, the filter membrane is arranged on the inner side of the sampling outer frame, the air inlet end of the air pump is connected with the connecting pipe, the air outlet end of the air pump is connected with an exhaust pipe fixed on the other side of the sampling shell, the air pump is electrically connected with the storage battery, the storage battery is electrically connected with an external power supply through a charging interface, the mounting seat is fixedly welded at the center of the bottom of the sampling shell, the telescopic inner rod is inserted into the telescopic outer rod, the top end of the telescopic inner rod is arranged in the mounting seat, and the bottom end of the telescopic outer rod is fixedly connected with the center of the upper plate surface of the base through welding.

Preferably, in order to take out or place the sampler conveniently, the apron is through connecting pivot and sampling shell upper plate face and be the rotation connection.

Preferably, in order to clamp and fix the sampler installed between the connecting flanges, the air inlet pipe is elastically connected with the sampling shell through a compression spring.

Preferably, in order to adjust the air sampling to the equidirectional not, the top of flexible interior pole is through placeeing and be the rotation with the seat of placeeing in the seat and be connected, and the junction of flexible interior pole and seat of placeeing is equipped with fastening bolt.

Preferably, in order to adjust and sample the air of co-altitude not, the bottom of flexible interior pole is telescopic arrangement through inserting in flexible outer pole, and the junction of flexible interior pole and flexible outer pole is equipped with fastening bolt.

Preferably, in order to further improve the stability of the device, the lower plate surface of the base is provided with a rubber pad.

The utility model has the advantages that: the dust sampling device is reasonable in design, the cover plate is rotatably connected with the upper plate surface of the sampling shell through a connecting rotating shaft, the cover plate is convenient to open or close, the sampler is further convenient to take out or place, the air inlet pipe is elastically connected with the sampling shell through a compression spring, the sampler arranged between the connecting flanges can be clamped and fixed, the connection firmness is further improved, the top end of the telescopic inner rod is rotatably connected with the placing seat through being inserted in the placing seat, a fastening bolt is arranged at the joint of the telescopic inner rod and the placing seat, the sampling shell is convenient to rotate and fix, the sampling of air in different directions can be adjusted, the bottom end of the telescopic inner rod is telescopically arranged through being inserted in the telescopic outer rod, the fastening bolt is arranged at the joint of the telescopic inner rod and the telescopic outer rod, the sampling shell is convenient to move up and down and fix, and the sampling of air in different heights can be adjusted, the lower board surface of base is equipped with the rubber pad, the increase and the frictional force of laying the face, and then improves the device's stability.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the sampling shell of the present invention;

FIG. 3 is a schematic view of the mounting structure of the sampler inside the sampling housing of the present invention;

fig. 4 is a schematic structural diagram of the sampler of the present invention.

In the figure: 1. sampling shell, 2, apron, 3, intake pipe, 4, blast pipe, 5, spacing retaining ring, 6, compression spring, 7, connecting pipe, 8, mounting flange, 9, sample thief, 10, sampling frame, 11, filter membrane, 12, aspiration pump, 13, battery, 14, mount pad, 15, flexible interior pole, 16, flexible outer pole and 17, base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a dust sampling device comprises a sampling shell 1, a cover plate 2, an air inlet pipe 3, an exhaust pipe 4, a limit retainer ring 5, a compression spring 6, a connecting pipe 7, a fixing flange 8, a sampler 9, a sampling outer frame 10, a filter membrane 11, an air suction pump 12, a storage battery 13, a mounting seat 14, a telescopic inner rod 15, a telescopic outer rod 16 and a base 17, wherein the sampling shell 1 is positioned at the top end of the device, the cover plate 2 is arranged on the upper surface of the sampling shell 1, the air inlet pipe 3 is connected to one side of the sampling shell 1, the limit retainer ring 5 is fixedly welded on the pipe body of the air inlet pipe 3 positioned inside the sampling shell 1, the compression spring 6 is sleeved on the pipe body of the air inlet pipe 3 between the limit retainer ring 5 and the inner wall of the sampling shell 1, the connecting pipe 7 is arranged between the air inlet pipe 3 and the air suction pump 12, the fixing flange 8 is respectively connected to the pipe openings of the air inlet pipe 3 and the connecting pipe 7, the sampler 9 is clamped between the fixing flange 8, the sampler 9 is positioned right below the sampler 9, the sampler 9 is composed of the sampling outer frame 10 and the sampling outer frame 10, the sampling shell is electrically connected to the bottom of the external connection base 15 of the sampling outer frame 13 through a charging screw, the charging end of the charging seat 15, the external connection base 15, the external connection of the telescopic outer frame 13, the sampling shell is arranged at the top end of the external connection pipe 13, the sampling shell, the external connection pipe 13, the sampling shell, the external connection of the sampling shell, the sampling shell 15 is a connection of the telescopic outer frame 13, the sampling shell 15 is connected to the sampling shell 15.

The cover plate 2 is rotatably connected with the upper plate surface of the sampling shell 1 through a connecting rotating shaft, the cover plate 2 is convenient to open or close, the sampler 9 is convenient to take out or place, the air inlet pipe 3 is elastically connected with the sampling shell 1 through a compression spring 6, the sampler 9 arranged between the connecting flanges 8 can be clamped and fixed, the connection firmness is improved, the top end of the telescopic inner rod 15 is rotatably connected with the arranging seat 14 through being inserted in the arranging seat 14, a fastening bolt is arranged at the joint of the telescopic inner rod 15 and the arranging seat 14, the sampling shell 1 can be conveniently rotated and fixed, the sampling of air in different directions can be adjusted, the bottom end of the telescopic inner rod 15 is telescopically arranged through being inserted in the telescopic outer rod 16, and the fastening bolt is arranged at the joint of the telescopic inner rod 15 and the telescopic outer rod 16, so that the sampling shell 1 can be conveniently moved up and down and fixed, and then can adjust and sample the air of co-altitude not, the lower plate surface of base 17 is equipped with the rubber pad, increases the frictional force with the mounting surface, and then improves the device's stability.

The working principle is as follows: when using this dust sampling device, install this sampling device at treating the sampling area, adjust the sampling height through tensile flexible interior pole 15, and rotate sampling shell 1 to sampling direction, then open apron 2, lay sample thief 9 between flange 8, make flange 8 press from both sides tight fixedly to sample thief 9 through compression spring 6, switch on aspiration pump 12's power at last, the gas that contains the dust inhales through intake pipe 3, collect the back through filter membrane 11, discharge by blast pipe 4 again, realize the sampling.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A dust sampling device which characterized in that: the device comprises a sampling shell (1), a cover plate (2), an air inlet pipe (3), an exhaust pipe (4), a limiting retainer ring (5), a compression spring (6), a connecting pipe (7), a fixed flange (8), a sampler (9), a sampling outer frame (10), a filter membrane (11), an air suction pump (12), a storage battery (13), a placing seat (14), a telescopic inner rod (15), a telescopic outer rod (16) and a base (17); the sampling shell (1) is positioned at the top end of the device, the upper plate surface of the sampling shell (1) is provided with a cover plate (2), the air inlet pipe (3) is connected to one side of the sampling shell (1), the air inlet pipe (3) is positioned on the pipe body inside the sampling shell (1) and fixedly welded with a limit check ring (5), a compression spring (6) is sleeved on the pipe body of the air inlet pipe (3) between the limit check ring (5) and the inner wall of the sampling shell (1), a connecting pipe (7) is arranged between the air inlet pipe (3) and an air suction pump (12), a fixed flange (8) is respectively connected with the pipe orifices of the air inlet pipe (3) and the connecting pipe (7), the sampler (9) is clamped between the fixed flanges (8), the sampler (9) is positioned under the cover plate (2), and the sampler (9) is composed of a sampling outer frame (10) and a filter membrane (11), the filter membrane (11) is arranged on the inner side of the sampling outer frame (10), the air inlet end of the air pump (12) is connected with the connecting pipe (7), the air outlet end of the air pump (12) is connected with an exhaust pipe (4) fixed on the other side of the sampling shell (1), the air pump (12) and the storage battery (13) are both fixedly arranged on the inner bottom plate of the sampling shell (1) through screws, the air pump (12) is electrically connected with the storage battery (13), the storage battery (13) is electrically connected with an external power supply through a charging interface, the placing seat (14) is fixedly welded at the center of the bottom of the sampling shell (1), the telescopic inner rod (15) is inserted into the telescopic outer rod (16), and the top end of the telescopic inner rod (15) is arranged in the placing seat (14), and the bottom end of the telescopic outer rod (16) is fixedly connected to the center of the upper plate surface of the base (17) through welding.

2. A dust sampling apparatus as claimed in claim 1, wherein: the cover plate (2) is rotatably connected with the upper plate surface of the sampling shell (1) through a connecting rotating shaft.

3. A dust sampling apparatus as claimed in claim 1, wherein: the air inlet pipe (3) is elastically connected with the sampling shell (1) through a compression spring (6).

4. A dust sampling apparatus as claimed in claim 1, wherein: the top end of the telescopic inner rod (15) is rotatably connected with the placing seat (14) by being inserted into the placing seat (14), and a fastening bolt is arranged at the joint of the telescopic inner rod (15) and the placing seat (14).

5. A dust sampling apparatus as claimed in claim 1, wherein: the bottom end of the telescopic inner rod (15) is telescopically arranged in the telescopic outer rod (16) through insertion, and a fastening bolt is arranged at the joint of the telescopic inner rod (15) and the telescopic outer rod (16).

6. A dust sampling apparatus as claimed in claim 1, wherein: the lower board surface of the base (17) is provided with a rubber pad.