Particulate matter sampler for environment detection

Abstract

The utility model discloses a particulate matter sampler for environment detection, which comprises a sampler main body and a cutter main body, the upper surface of the sampler main body is fixedly connected with a mounting sleeve, the two sides of the mounting sleeve are symmetrically and fixedly connected with sleeve shells, the surfaces of the sleeve shells and the mounting sleeve are jointly provided with mutually communicated sliding holes, the inner walls of the sliding holes are slidably connected with positioning pins, and the positioning pins are fixedly connected with the cutter main body. A baffle is fixedly connected to the outer surface of the positioning pin, the outer surface of the positioning pin is sleeved with a spring located on the inner side of the sleeve shell, an outward pulling mechanism is arranged at the end, away from the baffle, of the positioning pin, and inserting holes are symmetrically formed in the outer surface of the cutter body. By arranging the sleeve shell, the positioning pin, the baffle, the spring, the outward pulling mechanism and the inserting hole, the spring is used for applying elastic force to the baffle, the positioning pin can be conveniently inserted into the inserting hole, and therefore the cutter body can be conveniently installed and fixed, by arranging the outward pulling mechanism, the positioning pin can be conveniently separated from the inserting hole, and therefore the cutter can be conveniently disassembled and debugged, operation is easy and convenient, and practicability is high. And the time is effectively saved.

Description

Technical Field

[0001] The utility model relates to the technical field of particle samplers, in particular to a particle sampler for environmental detection. Background Art

[0002] Particulate matter (PM) refers to tiny solid or liquid particles suspended in the air. These particles can be naturally occurring or generated by human activities. Particles range in size from a few nanometers to tens of microns and are usually classified by their diameter, such as PM10 (diameter less than or equal to 10 microns), PM2.5 (diameter less than or equal to 2.5 microns), and PM1 (diameter less than or equal to 1 micron).

[0003] There are many particle samplers on the market, such as the LY-1200R particle sampler produced by Qingdao Luyang Environmental Protection Technology Co., Ltd., whose cutter and sampler are connected by threaded connection. Since the cutter needs to be disassembled and debugged frequently, the disassembly and installation of the cutter are cumbersome and time-consuming. Therefore, we need a particle sampler for environmental testing. Utility Model Content

[0004] The purpose of the utility model is to provide a particle sampler for environmental detection to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a particulate matter sampler for environmental detection, comprising a sampler body and a cutter body, the upper surface of the sampler body is fixedly connected with a mounting sleeve, the two sides of the mounting sleeve are symmetrically fixedly connected with a sleeve shell, the surface of the sleeve shell and the mounting sleeve are jointly provided with mutually connected sliding holes, the inner wall of the sliding hole is slidably connected with a positioning pin, the outer surface of the positioning pin is fixedly connected with a baffle, and the baffle is slidably connected to the inner wall of the sleeve shell, the outer surface of the positioning pin is sleeved with a spring located on the inner side of the sleeve shell, the end of the positioning pin away from the baffle is provided with an external pulling mechanism, the outer surface of the cutter body is symmetrically provided with sockets, and the sockets can fit with the positioning pins.

[0006] Preferably, a hexagonal limiting groove is formed at the upper end of the mounting sleeve, and a hexagonal limiting block which fits with the hexagonal limiting groove is fixedly connected to the outer surface of the cutter body.

[0007] Preferably, the external pulling mechanism includes a servo motor, a first right-angle rack and a second right-angle rack. The servo motor is fixedly embedded in the upper surface of the sampler body, the first right-angle rack and the second right-angle rack are respectively fixedly connected to the ends of the positioning pins, the rotating end of the servo motor is fixedly connected to a driving gear, and the first right-angle rack and the second right-angle rack are both meshed with the driving gear.

[0008] Preferably, the surface of the sampler body is rotatably connected to two sleeve rods via a pin shaft, the inner wall of the sleeve rod is slidably connected to a movable rod, the outer surface of the sleeve rod is threadedly connected to a fixing bolt that presses against the movable rod, and the end of the movable rod is fixedly connected to a handle.

[0009] Preferably, the distance from the first right-angled rack to the sleeve rod and the distance from the second right-angled rack to the sleeve rod are both greater than the depth of the insertion hole.

[0010] Preferably, a rubber strip is fixedly connected to the edge of the outer surface of the sampler body.

[0011] Preferably, a docking flange and supporting legs are respectively fixedly connected to the lower surface of the sampler body.

[0012] Beneficial Effects

[0013] The utility model provides a particle sampler for environmental detection, which has the following beneficial effects:

[0014] 1. The particulate sampler for environmental detection is provided with a casing, a positioning pin, a baffle, a spring, an external pulling mechanism and a socket. The spring is used to apply elastic force to the baffle, so that the positioning pin can be inserted into the socket, thereby facilitating the installation and fixation of the cutter body. By providing an external pulling mechanism, the positioning pin can be easily separated from the socket, thereby facilitating the disassembly and debugging of the cutter body. The operation is simple and convenient, and time is effectively saved.

[0015] 2. The particulate matter sampler for environmental detection can conveniently adjust the position of the handle by setting a sleeve rod, a movable rod and a fixing bolt. By adjusting the position of the handle, it is convenient to move the main body of the portable sampler, thereby increasing portability.

[0016] 3. When the main body of the particulate matter sampler for environmental testing falls over due to misoperation, the rubber strip can be used to provide buffering protection for the main body of the sampler. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a particulate matter sampler for environmental detection proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of a shell of a particulate matter sampler for environmental detection proposed by the utility model;

[0019] Figure 3 The utility model provides a particle sampler for environmental detection Figure 1 A is a schematic diagram of the enlarged structure;

[0020] Figure 4The utility model is a schematic diagram of a three-dimensional structure of a particle sampler for environmental detection when viewed from above.

[0021] In the figure: 1. Sampler body; 2. Cutter body; 3. Mounting sleeve; 4. Sleeve shell; 7. Positioning pin; 8. Baffle; 9. Spring; 10. Outer pull mechanism; 11. Socket; 12. Hexagonal limit slot; 13. Hexagonal limit block; 14. Servo motor; 15. First right-angle rack; 16. Second right-angle rack; 17. Driving gear; 18. Sleeve rod; 19. Movable rod; 20. Fixing bolt; 21. Handle; 22. Rubber strip; 23. Docking flange. DETAILED DESCRIPTION

[0022] 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 described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0023] See also Figure 1-4 The utility model provides a technical solution: a particulate sampler for environmental detection, including a sampler body 1 and a cutter body 2, the upper surface of the sampler body 1 is fixedly connected with a mounting sleeve 3, the two sides of the mounting sleeve 3 are symmetrically fixedly connected with a sleeve shell 4, the sleeve shell 4 and the mounting sleeve 3 are provided with mutually connected sliding holes on the surface, the inner wall of the sliding hole is slidably connected with a positioning pin 7, the outer surface of the positioning pin 7 is fixedly connected with a baffle 8, and the baffle 8 is slidably connected to the inner wall of the sleeve shell 4, the outer surface of the positioning pin 7 is sleeved with a spring 9 located on the inner side of the sleeve shell 4, and the end of the positioning pin 7 away from the baffle 8 An external pulling mechanism 10 is provided, and a socket 11 is symmetrically provided on the outer surface of the cutter body 2, and the socket 11 can fit with the positioning pin 7. By providing the casing 4, the positioning pin 7, the baffle 8, the spring 9, the external pulling mechanism 10 and the socket 11, and applying elastic force to the baffle 8 by the spring 9, the positioning pin 7 can be inserted into the socket 11, thereby facilitating the installation and fixation of the cutter body 2. By providing the external pulling mechanism 10, the positioning pin 7 can be easily separated from the socket 11, and the cutter body 2 can be disassembled and debugged conveniently. The operation is simple and convenient, and time is effectively saved.

[0024] A hexagonal limit groove 12 is provided at the upper end of the mounting sleeve 3, and a hexagonal limit block 13 which fits with the hexagonal limit groove 12 is fixedly connected to the outer surface of the cutter body 2. By setting the hexagonal limit groove 12 and the hexagonal limit block 13 and inserting the hexagonal limit block 13 into the hexagonal limit groove 12, the aligning of the positioning pin 7 and the insertion hole 11 can be facilitated.

[0025] The external pulling mechanism 10 includes a servo motor 14, a first right-angle rack 15 and a second right-angle rack 16. The servo motor 14 is fixedly embedded in the upper surface of the sampler body 1. The first right-angle rack 15 and the second right-angle rack 16 are respectively fixedly connected to the ends of the positioning pin 7. The rotating end of the servo motor 14 is fixedly connected to the driving gear 17, and the first right-angle rack 15 and the second right-angle rack 16 are both meshed with the driving gear 17.

[0026] The surface of the sampler body 1 is rotatably connected to two sleeve rods 18 through a pin shaft, the inner wall of the sleeve rod 18 is slidably connected to a movable rod 19, the outer surface of the sleeve rod 18 is threadedly connected to a fixing bolt 20 that presses against the movable rod 19, and the end of the movable rod 19 is fixedly connected to a handle 21. By arranging the sleeve rod 18, the movable rod 19 and the fixing bolt 20, the position of the handle 21 can be easily adjusted. By adjusting the position of the handle 21, it is convenient to move the portable sampler body 1, thereby increasing the portability.

[0027] The distance between the first right-angle rack 15 and the sleeve rod 18 and the distance between the second right-angle rack 16 and the sleeve rod 18 are both greater than the depth of the insertion hole 11 . This design can ensure that the positioning pin 7 can be separated from the insertion hole 11 .

[0028] A rubber strip 22 is fixedly connected to the edge of the outer surface of the sampler body 1. When the sampler body 1 topples over due to misoperation, the rubber strip 22 can provide buffering protection for the sampler body 1.

[0029] The lower surface of the sampler body 1 is fixedly connected with a docking flange 23 and a support leg. By setting the docking flange 23, the docking flange 23 and the support frame can be fixed by bolts, so that the entire sampler body 1 is convenient for outdoor use.

[0030] Working principle: When the particulate sampler for environmental detection is installed with the cutter body 2, the servo motor 14 can be started, and the servo motor 14 can be used to drive the driving gear 17 to rotate. The driving gear 17 rotates to cooperate with the first right-angle rack 15 and the second right-angle rack 16 to mesh with the driving gear 17, so that the two positioning pins 7 can move away from each other. When the positioning pins 7 are retracted into the sliding holes on the inner wall of the installation sleeve 3, the lower end of the cutter body 2 can be inserted into the installation sleeve 3, and the hexagonal limit groove 12 is used to match the hexagonal limit block 13. By limiting the position, the locating pin 7 can be easily aligned with the socket 11, and then the servo motor 14 is turned off, and the spring 9 is used to apply elastic force to the baffle 8, so that the locating pin 7 can be easily inserted into the socket 11, thereby facilitating the installation and fixation of the cutter body 2; when the cutter body 2 needs to be disassembled and debugged, the servo motor 14 can be started again, and when the locating pin 7 is retracted into the sliding hole on the inner wall of the installation sleeve 3, the locating pin 7 is also disengaged from the socket 11, thereby facilitating the disassembly and debugging of the cutter body 2, the operation is simple and convenient, and time is effectively saved.

[0031] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0032] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A particle sampler for environmental detection, comprising a sampler body (1) and a cutter body (2), characterized in that: The upper surface of the sampler body (1) is fixedly connected with a mounting sleeve (3), and the two sides of the mounting sleeve (3) are symmetrically fixedly connected with a sleeve shell (4). The surfaces of the sleeve shell (4) and the mounting sleeve (3) are provided with mutually connected sliding holes. The inner wall of the sliding hole is slidably connected with a positioning pin (7). The outer surface of the positioning pin (7) is fixedly connected with a baffle (8), and the baffle (8) is slidably connected to the inner wall of the sleeve shell (4). The outer surface of the positioning pin (7) is sleeved with a spring (9) located on the inner side of the sleeve shell (4). An end of the positioning pin (7) away from the baffle (8) is provided with an external pulling mechanism (10). The outer surface of the cutter body (2) is symmetrically provided with insertion holes (11), and the insertion holes (11) can fit with the positioning pin (7).

2. The particle sampler for environmental detection according to claim 1, characterized in that: A hexagonal limiting groove (12) is formed at the upper end of the installation sleeve (3), and a hexagonal limiting block (13) which fits in the hexagonal limiting groove (12) is fixedly connected to the outer surface of the cutter body (2).

3. The particle sampler for environmental detection according to claim 2, characterized in that: The external pulling mechanism (10) comprises a servo motor (14), a first right-angle rack (15) and a second right-angle rack (16); the servo motor (14) is fixedly embedded in the upper surface of the sampler body (1); the first right-angle rack (15) and the second right-angle rack (16) are respectively fixedly connected to the ends of the positioning pin (7); the rotating end of the servo motor (14) is fixedly connected to a driving gear (17), and the first right-angle rack (15) and the second right-angle rack (16) are both meshed with the driving gear (17).

4. The particle sampler for environmental detection according to claim 3, characterized in that: The surface of the sampler body (1) is rotatably connected to two sleeve rods (18) via a pin shaft, the inner wall of the sleeve rod (18) is slidably connected to a movable rod (19), the outer surface of the sleeve rod (18) is threadedly connected to a fixing bolt (20) that presses against the movable rod (19), and the end of the movable rod (19) is fixedly connected to a handle (21).

5. The particulate matter sampler for environmental detection according to claim 4, characterized in that: The distance between the first right-angled rack (15) and the sleeve rod (18) and the distance between the second right-angled rack (16) and the sleeve rod (18) are both greater than the depth of the insertion hole (11).

6. The particle sampler for environmental detection according to claim 1, characterized in that: A rubber strip (22) is fixedly connected to the edge of the outer surface of the sampler body (1).

7. The particulate matter sampler for environmental detection according to claim 1, characterized in that: The lower surface of the sampler body (1) is fixedly connected with a docking flange (23) and a supporting leg respectively.

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