Environment monitoring dust sampling device

Abstract

The utility model discloses an environmental monitoring dust sampling device which comprises a sampler body, a storage battery is fixedly installed on the rear side of the sampler body, a pump cavity is formed in the sampler body, an air injection hose containing groove is formed in the bottom wall face of the sampler body, an air injection hose is installed in the air injection hose containing groove, and the air injection hose is connected with the pump cavity. An air inlet is formed in the air inlet pipe, the air inlet is outwards connected with a second air inlet cylinder, a first air inlet cylinder is arranged on the second air inlet cylinder in a rotating mode, a first diaphragm clamp and a second diaphragm clamp are arranged between the second air inlet cylinder and the first air inlet cylinder in a clamping mode, and a protective cover shell is arranged at the tail end of the first air inlet cylinder in a rotating mode. The protective cover shell is installed on the first air inlet cylinder in a rotary mode, the membrane can be effectively protected, meanwhile, disassembly is convenient, after dust collection is completed, dust adhering to the protective cover and the first air inlet cylinder can be cleaned in an air injection mode by installing an air injection pipe on an air outlet in a rotary mode, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of dust sampling, in particular to an environment monitoring dust sampling device. Background Art

[0002] Dust sampling is usually carried out with a dust sampler. A dust sampler is a portable device for collecting dust samples in dusty air. It is widely used in health monitoring and evaluation in disease prevention, environmental monitoring, labor protection, safety supervision, military, scientific research and teaching, metallurgy, petrochemical industry, railways, building materials and other departments. It is specifically used to measure the average dust concentration in the air in the workplace of production teams.

[0003] When using a traditional dust sampling device, it is generally necessary to set a protective net at the air inlet to prevent larger stone particles or foreign matter from entering the device and affecting the normal detection of the device. After the device has been used for a period of time, the protective net needs to be cleaned in time, and the existing protective net is generally fixed to the dust sampler by screws. Although the installation stability of the protective net is guaranteed, the operation of disassembling and cleaning the protective net is cumbersome and requires the use of corresponding tools to remove the screws, which is time-consuming and labor-intensive, and increases the labor intensity of the staff. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an environmental monitoring dust sampling device, which solves the technical problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an environmental monitoring dust sampling device, including a sampler body, a handle is fixedly installed on the top of the sampler body, a battery is fixedly installed on the rear side of the sampler body, the battery is externally connected to a wiring board, a pump chamber is opened inside the sampler body, a drive shaft is installed in the center of the pump chamber, a plurality of connecting rods are fixedly installed on the outer wall of the drive shaft, the ends of the connecting rods are connected to a star wheel, a hose is fixedly installed on the inner wall of the pump chamber, the hose is respectively connected to an air inlet and an air outlet, and a jet nozzle is opened on the bottom wall of the sampler body. A hose receiving groove, a buckle is fixedly installed on the jet hose receiving groove, a jet hose is installed in the jet hose receiving groove, an air outlet connector receiving groove is opened on the front side wall of the sampler body, an air outlet connector is installed in the air outlet connector receiving groove, the air inlet is connected to the second air inlet cylinder outwardly, the first air inlet cylinder is screwed on the second air inlet cylinder, the first diaphragm clamp and the second diaphragm clamp are clamped between the second air inlet cylinder and the first air inlet cylinder, a diaphragm is clamped between the first diaphragm clamp and the second diaphragm clamp, a protective cover shell is screwed on the end of the first air inlet cylinder, and a protective cover is installed in the protective cover shell.

[0006] Preferably, the driving shaft is connected to a driving motor, an operating panel is fixedly mounted on the outer wall of the sampler body, the operating panel is electrically connected to the driving motor, the driving motor is electrically connected to the battery, and a charging port and a power switch are provided on the wiring board.

[0007] Preferably, threads are provided on the outer wall surface of the air outlet connector and the inner wall surface of the air outlet and the air outlet connector and the air outlet cooperate with each other, one end of the jet hose is provided with a thread connected to the air outlet connector, and the other end of the jet hose is provided with a jet nozzle.

[0008] Preferably, the star wheel is in close contact with the wall surface of the pump chamber and is provided with a concave arc surface cooperating with the hose.

[0009] Preferably, the protective cover shell is threadedly connected to the first air inlet cylinder, the first air inlet cylinder and the second air inlet cylinder are threadedly connected, the connection between the first air inlet cylinder and the second air inlet cylinder is provided with a clamping and placement groove for the first diaphragm clamp and the second diaphragm clamp, and the connection between the first diaphragm clamp and the second diaphragm clamp is provided with a placement groove for the diaphragm.

[0010] Beneficial Effects

[0011] The utility model provides an environmental monitoring dust sampling device, which has the following beneficial effects: when the device is in use, the protective cover shell is installed on the first air inlet cylinder by a screw-on method, which can effectively protect the diaphragm while being easy to disassemble; after the dust collection is completed, the dust adhering to the protective cover and the first air inlet cylinder can be cleaned by jetting through the jet pipe screwed on the air outlet, which saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic structural diagram of an environmental monitoring dust sampling device described in the utility model.

[0013] Figure 2 This is a schematic diagram of the jet structure connection of an environmental monitoring dust sampling device described in the utility model.

[0014] In the figure: 1. sampler body; 2. handle; 3. battery; 4. terminal block; 5. pump chamber; 6. drive shaft; 7. connecting rod; 8. star wheel; 9. hose; 10. air outlet; 11. jet hose storage slot; 12. jet hose; 13. buckle; 14. air outlet connector storage slot; 15. air outlet connector; 16. air inlet; 17. protective cover shell; 18. protective cover; 19. first air inlet cylinder; 20. first diaphragm clamp; 21. second diaphragm clamp; 22. diaphragm; 23. second air inlet cylinder. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figure 1-2 The utility model provides a technical solution for an environmental monitoring dust sampling device: an environmental monitoring dust sampling device, comprising a sampler body 1, a handle 2 is fixedly installed on the top of the sampler body 1, a battery 3 is fixedly installed on the rear side of the sampler body 1, and the battery 3 is externally connected to a terminal board 4, a pump chamber 5 is provided inside the sampler body 1, a drive shaft 6 is installed in the center of the pump chamber 5, a plurality of connecting rods 7 are fixedly installed on the outer wall of the drive shaft 6, a star wheel 8 is connected to the end of the connecting rod 7, a hose 9 is fixedly installed on the inner wall of the pump chamber 5, and the hose 9 is respectively connected to an air inlet 16 and an air outlet 10, and an air jet hose storage groove 11 is provided on the bottom wall of the sampler body 1, and an air jet hose storage groove 11 is provided on the bottom wall of the sampler body 1. A buckle 13 is fixedly installed on the hose storage groove 11, and a jet hose 12 is installed in the jet hose storage groove 11. An air outlet connector storage groove 14 is opened on the front side wall of the sampler body 1, and an air outlet connector 15 is installed in the air outlet connector storage groove 14. The air inlet 16 is externally connected to the second air inlet cylinder 23, and the first air inlet cylinder 19 is screwed on the second air inlet cylinder 23. The first diaphragm clamp 20 and the second diaphragm clamp 21 are clamped between the second air inlet cylinder 23 and the first air inlet cylinder 19, and a diaphragm 22 is clamped between the first diaphragm clamp 20 and the second diaphragm clamp 21. A protective cover shell 17 is screwed on the end of the first air inlet cylinder 19, and a protective cover 18 is installed in the protective cover shell 17.

[0017] Furthermore, the driving shaft 6 is connected to a driving motor, an operation panel is fixedly installed on the outer wall of the sampler body 1, the operation panel is electrically connected to the driving motor, the driving motor is electrically connected to the battery 3, and a charging port and a power switch are provided on the terminal board 4.

[0018] Furthermore, threads are provided on the outer wall of the air outlet connector 15 and the inner wall of the air outlet 10, and the air outlet connector 15 and the air outlet 10 cooperate with each other. One end of the jet hose 12 is provided with threads connected to the air outlet connector 15, and the other end of the jet hose 12 is provided with a jet nozzle.

[0019] Furthermore, the star wheel 8 is in close contact with the wall of the pump chamber 5 and a concave arc surface matching with the hose 9 is provided on the star wheel 8 .

[0020] Furthermore, the protective cover shell 17 is threadedly connected to the first air inlet cylinder 19, and the first air inlet cylinder 19 and the second air inlet cylinder 23 are threadedly connected. The connection between the first air inlet cylinder 19 and the second air inlet cylinder 23 is provided with a clamping and placement groove of the first diaphragm clamp 20 and the second diaphragm clamp 21, and the connection between the first diaphragm clamp 20 and the second diaphragm clamp 21 is provided with a placement groove for the diaphragm 22.

[0021] Embodiment: When the device is in use, the diaphragm 22 is first clamped between the first diaphragm clamp 20 and the second diaphragm clamp 21, and then the first diaphragm clamp 20 and the second diaphragm clamp 21 are placed in the placement groove in the second air intake cylinder 23, and then the first air intake cylinder 19 is screwed onto the second air intake cylinder 23, and the first diaphragm clamp 20 and the second diaphragm clamp 21 are clamped and fixed.

[0022] The protective cover shell 17 is screwed onto the first air inlet cylinder 19 . The protective cover 18 is a mesh structure, which can prevent large objects from being sucked into the first air inlet cylinder 19 by wind and causing damage to the diaphragm 22 .

[0023] The device is powered by a power switch on the wiring board 4, and the speed of the driving motor is controlled by the operation panel on the sampler body 1 to control the flow rate of air.

[0024] The driving motor drives the driving shaft 6 to rotate, and the driving shaft 6 drives the star wheel 8 to rotate through the connecting rod 7. When the star wheel 8 moves to the hose 9, it squeezes the hose 9 and closes it to form a vacuum area. As the star wheel 8 rotates, the vacuum area moves, thereby forming a negative pressure suction force at the air inlet 16, and the air is drawn into the interior through the first air inlet cylinder 19, and the dust in the air is deposited on the diaphragm 22 for collection.

[0025] The air is ejected at the air outlet 10. After the collection is completed, if it is necessary to clean the inner wall of the protective cover shell 17, the protective cover 18, and the first air inlet cylinder 19, the air outlet connector 15 in the air outlet connector storage groove 14 can be taken out and screwed into the air outlet 10, the jet hose 12 can be taken out from the jet hose storage groove 11 and screwed on the air outlet connector 15, the device is placed in a dust-free position, the protective cover shell 17 and the first air inlet cylinder 19 are removed from the second air inlet cylinder 23, and the nozzle of the jet hose 12 is aligned. After the air passes through the air outlet 10 and is narrowed and compressed, a certain jet force is formed, which can spray away the dust attached to the protective cover shell 17 and the first air inlet cylinder 19, reducing the cleaning time. The jet hose 12 can also clean other parts of the device.

[0026] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, but do not necessarily require or imply any such actual relationship or order between these entities or operations.

Claims

1. An environmental monitoring dust sampling device, comprising a sampler body (1), characterized in that: A handle (2) is fixedly installed on the top of the sampler body (1), a battery (3) is fixedly installed on the rear side of the sampler body (1), and the battery (3) is externally connected to a terminal block (4). A pump chamber (5) is provided inside the sampler body (1), and a drive shaft (6) is installed in the center of the pump chamber (5). A plurality of connecting rods (7) are fixedly installed on the outer wall of the drive shaft (6), and a star wheel (8) is connected to the end of the connecting rod (7). A hose (9) is fixedly installed on the inner wall of the pump chamber (5), and the hose (9) is respectively connected to an air inlet (16) and an air outlet (10). A jet hose storage groove (11) is provided on the bottom wall of the sampler body (1), and a buckle (13) is fixedly installed on the jet hose storage groove (11). An air jet hose (12) is installed in the hose storage groove (11); an air outlet connector storage groove (14) is provided on the front side wall of the sampler body (1); an air outlet connector (15) is installed in the air outlet connector storage groove (14); the air inlet (16) is externally connected to a second air inlet cylinder (23); a first air inlet cylinder (19) is screwed onto the second air inlet cylinder (23); a first diaphragm clamp (20) and a second diaphragm clamp (21) are clamped between the second air inlet cylinder (23) and the first air inlet cylinder (19); a diaphragm (22) is clamped between the first diaphragm clamp (20) and the second diaphragm clamp (21); a protective cover shell (17) is screwed onto the end of the first air inlet cylinder (19); a protective cover (18) is installed in the protective cover shell (17).

2. The environmental monitoring dust sampling device according to claim 1, characterized in that: The drive shaft (6) is connected to a drive motor, an operation panel is fixedly mounted on the outer wall of the sampler body (1), the operation panel is electrically connected to the drive motor, the drive motor is electrically connected to the battery (3), and a charging port and a power switch are provided on the wiring board (4).

3. The environmental monitoring dust sampling device according to claim 1, characterized in that: The outer wall surface of the air outlet connector (15) and the inner wall surface of the air outlet (10) are both provided with threads, and the air outlet connector (15) and the air outlet (10) cooperate with each other. One end of the air jet hose (12) is provided with a thread connected to the air outlet connector (15), and the other end of the air jet hose (12) is provided with an air jet nozzle.

4. The environmental monitoring dust sampling device according to claim 1, characterized in that: The star wheel (8) is in close contact with the wall surface of the pump chamber (5) and a concave arc surface matching with the hose (9) is provided on the star wheel (8).

5. The dust sampling device for environmental monitoring according to claim 1, characterized in that: The protective cover shell (17) is threadedly connected to the first air inlet cylinder (19), and the first air inlet cylinder (19) and the second air inlet cylinder (23) are threadedly connected. The connection between the first air inlet cylinder (19) and the second air inlet cylinder (23) is provided with a clamping and placement groove for the first diaphragm clamp (20) and the second diaphragm clamp (21), and the connection between the first diaphragm clamp (20) and the second diaphragm clamp (21) is provided with a placement groove for the diaphragm (22).

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