Atmospheric particulate sampler

Abstract

The utility model relates to the technical field of atmospheric monitoring, and particularly discloses an atmospheric particulate sampler which comprises a sampler main body, a collecting mechanism used for alternately storing collected particulates is arranged at the discharge end of the sampler main body, the collecting mechanism comprises a support body, the support body comprises a cavity arranged at the bottom, a bottom cover is arranged at the lower end of the cavity, and the bottom cover is arranged on the bottom of the sampler main body. A collecting assembly is arranged in the supporting body, and a material taking opening is formed in the front side of the supporting body. Through the arrangement of the collecting mechanism, after particulate matters in gas are separated by the sampler main body and fall down into a collecting barrel, the collecting barrel is driven to rotate along with the supporting table through the rotating assembly, so that when the collecting barrel rotates to a placing hole under the support of the pushing assembly, a cover plate in the placing hole covers the collecting barrel, and then the collecting barrel enters a sinking table and rotates to a material taking opening; and meanwhile, the collecting barrel at the other position of the supporting table rotates to the lower end of the sorting barrel to be aligned with the communicating hole, so that the collecting barrel is connected and replaced, and the use convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to atmospheric monitoring technical field, in particular to a kind of atmospheric particulate matter sampler. BACKGROUND

[0002] The atmospheric particulate matter sampler with the announcement number CN 220671053 U, when working, blocking component is clamped on the closure plate, and the closure plate is slid to the side away from the bearing frame, at this moment, only the bearing frame slides, and the closure plate is in static state, so with the sliding of bearing frame, the closure plate is gradually opened, so the atmospheric particulate entering from the air inlet can enter the inside of bearing frame, to realize the collection of particle. After work is completed, when the bearing frame slides to the side away from the shell, the blocking component is unlocked, and the closure plate is covered on the bearing frame, so that the atmospheric particulate in the inside of bearing frame is closed, so the bearing frame can be closed in the stroke of being pulled out from the shell, to avoid the particle from falling off from the inside of bearing frame, and the bearing frame does not need to be closed again using the cover piece, to improve work efficiency. However, the above-mentioned device needs to close the sampler when taking and placing the bearing frame, and the work of the sampler is carried out after the taking and placing of the bearing frame are completed, so the sampler cannot be continuously operated, which causes inconvenience to use. SUMMARY

[0003] The utility model aims at providing a kind of atmospheric particulate matter sampler to solve the above-mentioned problems.

[0004] The utility model realizes the above-mentioned purpose by the following technical scheme:

[0005] A kind of atmospheric particulate matter sampler, including sampler main body, sampler main body discharge end is provided with the collection mechanism for alternating storage to the collected particulate, the collection mechanism includes support body, support body includes the cavity being arranged in bottom, the bottom cover is arranged in the cavity lower end, the collection assembly is arranged in support body, the support body front side is provided with the material taking opening, the material taking opening side is provided with the placement hole, the communication hole concentric with the sampler main body discharge end is arranged in the cavity upper end face, the cavity upper end face is provided with two wedge transition surfaces, one wedge transition surface is communicated with the material taking opening, another wedge transition surface is communicated with the communication hole, and the cavity upper end face is located between the material taking opening and the placement hole and is provided with a sunken platform;The collection assembly includes rotating assembly, the support platform is arranged in the cavity on rotating assembly, and the support platform is oppositely provided with the sink groove, the push assembly is arranged in the sink groove, the collection cylinder is arranged on the push assembly, and the cover plate is arranged in the placement hole.

[0006] Further setting: rotating assembly includes support shaft being vertically arranged on support body and bottom cover, and the worm gear is engaged on the side of the worm gear.

[0007] Further setting: the support shaft is rotationally connected with the support body and the bottom cover, and the support table is rotationally connected with the support body.

[0008] Further setting: the pushing assembly comprises a spring fixed in the sink, and a top plate is fixed to the upper end of the spring.

[0009] Further setting: the collecting cylinder is slidably connected with the sink, the outer wall of the support table is provided with an open slot in communication with the sink, and the outer wall of the collecting cylinder is provided with a buckle.

[0010] Further setting: the cover plate is slidably connected with the placing hole, the cover plate is in a stepped shape, and the lower end of the cover plate is inserted into the inner side of the collecting cylinder.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] Through the setting of the collecting mechanism, after the particulate matters in the gas are separated by the sampler main body and fall into the collecting cylinder, the collecting cylinder is driven to rotate with the support table through the rotating assembly, the cover plate in the placing hole covers the collecting cylinder when the collecting cylinder rotates to the placing hole under the support of the pushing assembly, then the sink rotates to the material taking opening, the collecting cylinder is taken out, and meanwhile, the collecting cylinder at another position of the support table rotates to the lower end of the sorting cylinder and is aligned with the communication hole, so that the collecting cylinder is connected and replaced, and the convenience of use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying the creativity labor.

[0014] Figure 1 is the axonometric view of the atmospheric particulate matter sampler of the utility model;

[0015] Figure 2 is another perspective structural schematic view of the atmospheric particulate matter sampler of the utility model;

[0016] Figure 3 is the right sectional structural schematic view of the atmospheric particulate matter sampler of the utility model;

[0017] Figure 4 is the structural schematic view of the atmospheric particulate matter sampler in the disassembled state of the utility model;

[0018] Figure 5 is the structural schematic view of the support body of the atmospheric particulate matter sampler of the utility model;

[0019] Figure 6 is the expansion section view local structure schematic diagram of the support body of the atmospheric particulate matter sampler.

[0020] The reference signs are explained as follows:

[0021] 1, sampler main body; 11, sorting cylinder; 12, air inlet pipe; 13, air outlet pipe; 2, collection mechanism; 21, support body; 211, material taking port; 212, cavity; 213, wedge transition surface; 214, sink; 215, communication hole; 216, placing hole; 22, bottom cover; 23, collection assembly; 231, support shaft; 232, support table; 233, spring; 234, top plate; 235, collection cylinder; 236, cover plate; 237, worm gear; 238, worm. DETAILED DESCRIPTION

[0022] In the description of the present application, it is understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0023] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] The present application will be further described below in conjunction with the drawings:

[0025] As shown in Figures 1-6 A kind of atmospheric particulate matter sampler, including sampler main body 1, sampler main body 1 discharge end is provided with the collection mechanism 2 for alternating storage to collected particulate matter,

[0026] In this embodiment: the sampler body 1 includes a sorting cylinder 11, the sorting cylinder 11 includes a vertical cylinder, the lower end of the vertical cylinder is connected with a conical cylinder, the upper end of the vertical cylinder is provided with an air outlet pipe 13 penetrating into the inside of the vertical cylinder, the outer wall of the vertical cylinder is provided with an air inlet pipe 12 communicating with the fan at the upper position, the fan is used for sending the external air into the sorting cylinder 11, the airflow rotates downward along the inner wall of the vertical cylinder and the conical cylinder, the particulate matter falls from the lower end of the conical cylinder, and the gas is discharged from the air outlet pipe 13. This is the prior art, and will not be described again.

[0027] In this embodiment: the collecting mechanism 2 includes a support body 21, the support body 21 includes a cavity 212 arranged at the bottom, the lower end of the cavity 212 is provided with a bottom cover 22, the support body 21 is provided with a collecting assembly 23, the front side of the support body 21 is provided with a material taking opening 211, one side of the material taking opening 211 is provided with a placing hole 216, the upper end surface of the cavity 212 is provided with a communication hole 215 concentric with the discharging end of the sampler body 1, the upper end surface of the cavity 212 is provided with two wedge-shaped transition surfaces 213, one of the wedge-shaped transition surfaces 213 communicates with the material taking opening 211, and the other wedge-shaped transition surface 213 communicates with the communication hole 215. The upper end surface of the cavity 212 is provided with a sunken table 214 between the material taking opening 211 and the placing hole 216, and is used for limiting and supporting the rotation of the collecting assembly 23;

[0028] The collecting assembly 23 includes a rotating assembly, the rotating assembly is provided with a support table 232 in the cavity 212, the support table 232 is oppositely provided with a sunken groove for placing a collecting cylinder 235, the sunken groove is provided with a pushing assembly, the pushing assembly is provided with the collecting cylinder 235, the placing hole 216 is provided with a cover plate 236, the cover plate 236 is in sliding connection with the placing hole 216, the cover plate 236 is in a stepped shape, the lower end of the cover plate 236 is inserted into the inside of the collecting cylinder 235, and the cover plate 236 is placed in the placing hole 216, so as to cover and close the passing collecting cylinder 235.

[0029] The rotating assembly includes a support shaft 231 vertically arranged on the support body 21 and the bottom cover 22, the lower end of the support shaft 231 is provided with a worm gear 237, one side of the worm gear 237 is engaged with a worm shaft 238, the worm shaft 238 is connected with the bottom cover 22 through a support seat; the support shaft 231 is in rotary connection with the support body 21 and the bottom cover 22, the support table 232 is in rotary connection with the support body 21, the rotation of the worm shaft 238 drives the worm gear 237, the support shaft 231 and the support table 232 to rotate as a whole, and the collecting cylinder 235 placed on the support table 232 is rotated and switched.

[0030] The pushing assembly comprises a spring 233 fixed in the sink groove, a top plate 234 fixed at the upper end of the spring 233, and the spring 233 pushes the top plate 234 to move upward, so that the top plate 234 pushes the collecting cylinder 235 to be attached to the upper end surface of the cavity 212 throughout the process; the collecting cylinder 235 is in sliding connection with the sink groove, the outer wall of the support table 232 is provided with an open groove in communication with the sink groove, the outer wall of the collecting cylinder 235 is provided with a buckle, so as to facilitate taking out the collecting cylinder 235 from the material taking port 211, and the collecting cylinder 235 is extruded downward with the wedge-shaped transition surface 213 at the upper end of the cavity 212 in the rotating process, until the collecting cylinder 235 is rotated to the placement hole 216, the cover plate 236 in the placement hole 216 is inserted into the collecting cylinder 235 and then enters the sink 214, and then the collecting cylinder 235 is rotated to the material taking port 211, so that the collecting cylinder 235 is taken out, and meanwhile, when the support table 232 rotates, the collecting cylinder 235 at the other place is rotated to the lower end of the sorting cylinder 11 and is aligned with the communication hole 215, so that the replacement of the entire collecting cylinder 235 is connected.

[0031] The working principle and use process of the utility model are as follows: after the particulate matters and gases in the atmosphere are separated by the sampler main body 1 and fall into the collecting cylinder 235 below, the worm 238 is rotated, the worm 238 drives the worm wheel 237 and the support shaft 231 and the support table 232 to rotate, the collecting cylinder 235 rotates with the support table 232, and the collecting cylinder 235 is extruded downward with the wedge-shaped transition surface 213 at the upper end of the cavity 212 in the rotating process, until the collecting cylinder 235 is rotated to the placement hole 216, the cover plate 236 in the placement hole 216 is inserted into the collecting cylinder 235 and then enters the sink 214, and then the collecting cylinder 235 is rotated to the material taking port 211, so that the collecting cylinder 235 is taken out, and meanwhile, when the support table 232 rotates, the collecting cylinder 235 at the other place is rotated to the lower end of the sorting cylinder 11 and is aligned with the communication hole 215, so that the replacement of the entire collecting cylinder 235 is connected, and the convenience of use is improved.

[0032] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. An atmospheric particulate matter sampler comprising a sampler body (1), characterised in that: The sampler body (1) is provided with a collection mechanism (2) for alternating storage of collected particles at the discharge end, the collection mechanism (2) comprises a support body (21), the support body (21) comprises a cavity (212) provided at the bottom, the lower end of the cavity (212) is provided with a bottom cover (22), the support body (21) is provided with a collection assembly (23), the front side of the support body (21) is provided with a material taking port (211), one side of the material taking port (211) is provided with a placing hole (216), the upper end surface of the cavity (212) is provided with a communication hole (215) concentric with the discharge end of the sampler body (1), the upper end surface of the cavity (212) is provided with two wedge-shaped transition surfaces (213), one of the wedge-shaped transition surfaces (213) is communicated with the material taking port (211), and the other wedge-shaped transition surface (213) is communicated with the communication hole (215), and the upper end surface of the cavity (212) is provided with a sunken platform (214) between the material taking port (211) and the placing hole (216); the collection assembly (23) comprises a rotating assembly, the rotating assembly is provided with a support platform (232) in the cavity (212), the support platform (232) is oppositely provided with a sunken groove, the sunken groove is provided with a pushing assembly, the pushing assembly is provided with a collection cylinder (235), and the placing hole (216) is provided with a cover plate (236).

2. The atmospheric particulate matter sampler of claim 1, wherein: The rotating assembly comprises a support shaft (231) vertically arranged on the support body (21) and the bottom cover (22), and the lower end of the support shaft (231) is provided with a worm gear (237), one side of the worm gear (237) is engaged with a worm (238).

3. The atmospheric particulate matter sampler of claim 2, wherein: The support shaft (231) is rotationally connected with the support body (21) and the bottom cover (22), and the support platform (232) is rotationally connected with the support body (21).

4. The atmospheric particulate matter sampler of claim 1, wherein: The pushing assembly comprises a spring (233) fixed in the sunken groove, and the upper end of the spring (233) is fixed with a top plate (234).

5. The atmospheric particulate matter sampler of claim 1, wherein: The collection cylinder (235) is slidably connected with the sunken groove, an open groove communicating with the sunken groove is formed in the outer wall of the support platform (232), and a buckle is formed in the outer wall of the collection cylinder (235).

6. The atmospheric particulate matter sampler of claim 1, wherein: The cover plate (236) is slidably connected with the placing hole (216), the cover plate (236) is in a stepped shape, and the lower end of the cover plate (236) is inserted into the inner side of the collection cylinder (235).

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