CN215262577U

CN215262577U - On-site sieving dust sampler

Info

Publication number: CN215262577U
Application number: CN202121056608.8U
Authority: CN
Inventors: 李澳; 田瑞臻; 徐淦
Original assignee: Nanjing University of Information Science and Technology
Current assignee: Nanjing University of Information Science and Technology
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-12-21
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a dust sample thief sieves on spot, including the riser, the top fixed mounting of riser has the apron, and one side fixedly connected with of riser leads the model, the top fixed mounting of apron has the pole setting, and the top fixedly connected with handle of pole setting, the internally mounted of riser has the mechanism of screening out, the inside of screening out the mechanism is including fixed frame. The utility model discloses in, under the effect of screening mechanism, make fixed frame pass through first slider, first spout is at the internally mounted of riser, thereby make fixed frame drive the mesh screen and install at the top of gathering the board, thereby make the user when the operative installations, can clear away debris through the mesh screen, through such setting, then make the device can be when carrying out dust sampling, quick screening stone, debris such as leaf and efficient collect dust, the problem of present sampling device debris being difficult to get rid of and single function sampling has been solved, and improve the work efficiency of on-the-spot sampling, manpower and materials are saved.

Description

On-site sieving dust sampler

Technical Field

The utility model relates to a scientific research technical field especially relates to on-spot dust sample thief that sieves.

Background

Scientific research generally refers to a series of activities such as investigation, experiments, trial production and the like performed to know the intrinsic nature and the movement rule of objective things by using scientific research means and equipment, and provides a theoretical basis for creating new products and new technologies, the basic task of scientific research is to explore and know unknown, and some scientific research projects need to collect samples of some small particles such as dust, soil and the like.

The existing scientific research sampling tool is simple in structure and single in function, impurities such as stones, fallen leaves and insects can be mixed frequently during sampling, the impurities are removed from samples on site, time and labor are consumed, many difficulties are added to subsequent sample processing, meanwhile, the impurities which are not processed completely can also affect the result of an experiment to a certain extent, the efficiency of scientific research samples is reduced, the burden of sample processing is increased, and the scientific research cost is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current scientific research sampling instrument simple structure, the function is single, often can sneak into some stones when the sampling, fallen leaves, debris such as insect, detach these debris consuming time spent power in the on-the-spot follow sample, many degrees of difficulty have been added for subsequent sample processing, and simultaneously, some are handled incomplete debris and still can lead to the fact the influence of certain degree to the result of experiment, lead to the efficiency reduction of scientific research appearance, and the burden of sample processing has been increased, improve scientific research cost's shortcoming, and the on-the-spot dust sample thief that sieves that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

on-spot dust sample thief that sieves, including the riser, the top fixed mounting of riser has the apron, and one side fixedly connected with guide plate of riser, the top fixed mounting of apron has the pole setting, and the top fixedly connected with handle of pole setting, the internally mounted of riser has the mechanism of removing by the sieve, the inside of removing by the sieve mechanism is including fixed frame, and one side fixed mounting of fixed frame has first slider, the inside fixedly connected with mesh screen of fixed frame, and the outer wall sliding connection of first slider has first spout to first spout is seted up in the inside of riser, the collection board is installed to the bottom of mesh screen, and gathers the board and guide plate and be fixed connection, dismouting mechanism is installed in the outside of riser.

As a further description of the above technical solution:

the fixed frame forms sliding structure through between first slider, first spout and the riser, and the axis of fixed frame coincides mutually with the axis of mesh screen.

As a further description of the above technical solution:

the central axis of the vertical plate is coincident with the central axis of the sample guide plate, and the vertical plate and the acquisition plate are vertically distributed.

As a further description of the above technical solution:

the inside of dismouting mechanism is including the through hole, and the through hole is seted up in the inside of riser, the pin is installed to the positive terminal surface of through hole, and the top of pin is connected with the pivot, the rear end face of pivot is connected with the toothed disc, and the top meshing of toothed disc is connected with the gear pole, the second spout has been seted up to the positive terminal surface of gear pole, and the inner wall sliding connection of second spout has the second slider, one side fixed mounting of second slider has solid fixed ring, and gu fixed ring is at the positive terminal surface fixed mounting of riser, the outer wall cover of gear pole is equipped with reset spring, and one side fixed mounting of gear pole has the limiting plate.

As a further description of the above technical solution:

the gear rod forms a sliding structure through the second sliding groove, the second sliding block and the fixing ring, and the gear rod forms a transmission structure through the gear disc and the stop lever.

As a further description of the above technical solution:

the limiting plate passes through to constitute elastic construction between reset spring and the solid fixed ring, the gear dish passes through to constitute rotating-structure between pivot and the riser.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, under the effect of screening mechanism, make fixed frame pass through first slider, first spout is at the internally mounted of riser, thereby make fixed frame drive the top installation of mesh screen at the acquisition board, thereby make the user when the operative installations, can clear away debris through the mesh screen, through such setting, then make the device can be when carrying out dust sampling, quick screening stone, debris such as leaf and efficient collect dust, the problem of present sampling device debris being difficult to get rid of and single function sampling has been solved, and improve the work efficiency of on-the-spot sampling, the material resources of using manpower sparingly, make the sampling and sieve the edulcoration one step and accomplish, simplify the sampling flow.

2. The utility model discloses in, under the effect of dismouting mechanism, through the pulling limiting plate, then make the gear pole activity, under the meshing effect of gear pole and gear dish, then make the gear dish drive the pin activity through the pivot to make the pin not carry on spacingly to the through hole, the user of being convenient for dismantles fixed frame in the outside, convenience of customers maintains the mesh screen, has guaranteed the screening effect of mesh screen, and dismouting simple structure, later maintenance is convenient, reduces use cost.

Drawings

FIG. 1 is a schematic perspective view of a field-screened dust sampler of the present invention;

FIG. 2 is a schematic perspective view of the screening mechanism of the present invention;

fig. 3 is a schematic front structural view of the middle assembling and disassembling mechanism of the present invention.

Illustration of the drawings:

1. a vertical plate; 2. a cover plate; 3. guiding a sample plate; 4. erecting a rod; 5. a handle; 6. a screening mechanism; 601. a fixing frame; 602. a first slider; 603. a mesh screen; 604. a first chute; 605. collecting a plate; 7. a disassembly and assembly mechanism; 701. a through hole; 702. a stop lever; 703. a rotating shaft; 704. a gear plate; 705. a gear lever; 706. a second chute; 707. a second slider; 708. a fixing ring; 709. a return spring; 7010. and a limiting plate.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the field-sieving dust sampler comprises a vertical plate 1, a cover plate 2, a sample guide plate 3, a vertical rod 4, a handle 5, a sieving mechanism 6, a fixed frame 601, a first slide block 602, a mesh screen 603, a first slide groove 604, a collecting plate 605, a disassembling and assembling mechanism 7, a through hole 701, a stop lever 702, a rotating shaft 703, a gear disc 704, a gear rod 705, a second slide groove 706, a second slide block 707, a fixed ring 708, a reset spring 709 and a limit plate 7010, wherein the top end of the vertical plate 1 is fixedly provided with the cover plate 2, one side of the vertical plate 1 is fixedly connected with the sample guide plate 3, the top end of the cover plate 2 is fixedly provided with the vertical rod 4, the top end of the vertical rod 4 is fixedly connected with the handle 5, the sieving mechanism 6 is arranged inside the vertical plate 1, the sieving mechanism 6 comprises the fixed frame 601, one side of the fixed frame 601 is fixedly provided with the first slide block 602, the inside of the fixed frame 601 is fixedly connected with the mesh screen 603, and the outer wall sliding connection of first slider 602 has first spout 604 to first spout 604 is seted up in the inside of riser 1, and collection board 605 is installed to the bottom of mesh screen 603, and collection board 605 is fixed connection with leading model 3, and dismouting mechanism 7 is installed in the outside of riser 1, and fixed frame 601 slides when pin 702 can prevent to use, and the user of being convenient for fixes and dismantles fixed frame 601, has increased convenience and flexibility that the device used.

Furthermore, the fixed frame 601 forms a sliding structure through the first sliding block 602, the first sliding groove 604 and the vertical plate 1, the central axis of the fixed frame 601 coincides with the central axis of the mesh screen 603, and the mesh screen 603 is a 60-mesh nylon mesh screen, so that the device has the advantages of high toughness, good elasticity, corrosion resistance, oil resistance, water resistance, wear resistance and high temperature resistance, can sample different materials, and can expand the application range of the device.

Further, the axis of riser 1 coincides with the axis of leading model 3 mutually, and is vertical distribution between riser 1 and the collection board 605, leads model 3 to have certain inclination, and the user of being convenient for is quick samples dust, improves the efficiency of sampling.

Furthermore, the inside of the dismounting mechanism 7 comprises a through hole 701, the through hole 701 is opened in the vertical plate 1, a stop lever 702 is installed on the positive end surface of the through hole 701, the top of the stop lever 702 is connected with a rotating shaft 703, the rear end surface of the rotating shaft 703 is connected with a gear disc 704, the top end of the gear disc 704 is engaged with a gear rod 705, the positive end surface of the gear rod 705 is provided with a second sliding chute 706, and the inner wall of the second sliding groove 706 is connected with a second sliding block 707 in a sliding way, one side of the second sliding block 707 is fixedly provided with a fixed ring 708, and the fixed ring 708 is fixedly arranged on the positive end face of the vertical plate 1, the outer wall of the gear rod 705 is sleeved with a return spring 709, and a limiting plate 7010 is fixedly mounted on one side of the gear rod 705, and the through hole 701 is formed, so that the user can conveniently disassemble and assemble the fixing frame 601, the user can conveniently collect samples on the surface of the collecting plate 605, and the flexibility of the fixing frame 601 is improved.

Further, a sliding structure is formed between the gear rod 705 and the fixing ring 708 through the second sliding groove 706 and the second sliding block 707, a transmission structure is formed between the gear disc 704 and the stop lever 702 through the gear rod 705, and under the meshing action of the gear rod 705 and the gear disc 704, the gear disc 704 drives the stop lever 702 to move through the rotating shaft 703, so that the stop lever 702 moves on the surface of the through hole 701.

Further, the limiting plate 7010 forms an elastic structure through the return spring 709 and the fixing ring 708, the gear disc 704 forms a rotating structure through the rotating shaft 703 and the vertical plate 1, and under the elastic action of the return spring 709, the gear rod 705 resets, so that the gear rod 705 drives the gear disc 704 to move, and the gear disc 704 drives the stop lever 702 to shield and limit the through hole 701.

The working principle is as follows: when the dust collector is used, small dust particles in an outfield are collected and sampled for the soil on the surface layer of the research, the atmospheric particulate matter settlement and the like, the fixing frame 601 is arranged inside the vertical plate 1 through the first sliding block 602 and the first sliding groove 604, so that the fixing frame 601 drives the mesh screen 603 to be fixed at the top of the collecting plate 605, the dust samples enter the vertical plate 1, the vertical rod 4 is shaken to sieve the samples through the mesh screen 603, the mesh screen 603 can quickly sieve out stones, leaves and other impurities inside the samples, the collected samples enter the surface of the collecting plate 605, the collecting plate 605 can collect the samples, the impurities on the surface of the mesh screen 603 are removed after the sieving is finished, the limiting plate 7010 is pulled, the gear rod 705 is made to move, under the meshing action of the gear rod 705 and the gear plate 704, the gear plate 704 drives the blocking rod 702 to move through the rotating shaft 703, and the blocking rod 702 does not limit the through hole 701, the user of being convenient for dismantles fixed frame 601 in the outside to make the user can take out the dust sample on gathering board 605 surface, through first slider 602 again, first spout 604 is with fixed frame 601 installation, under the elastic action of reset spring 709, make gear pole 705 reset, thereby make pin 702 carry on spacingly to through hole 701, make the mesh screen 603 fixed in the inside of riser 1, be convenient for carry on next use, just so accomplish the theory of operation of the device.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. Scene dust sample thief that sieves, including riser (1), its characterized in that: a cover plate (2) is fixedly arranged at the top end of the vertical plate (1), a guide sample plate (3) is fixedly connected to one side of the vertical plate (1), a vertical rod (4) is fixedly arranged at the top end of the cover plate (2), and the top end of the upright rod (4) is fixedly connected with a handle (5), a screening mechanism (6) is arranged in the upright plate (1), the screening mechanism (6) comprises a fixed frame (601) in the interior, and one side of the fixed frame (601) is fixedly provided with a first sliding block (602), the inside of the fixed frame (601) is fixedly connected with a mesh screen (603), and the outer wall of the first sliding block (602) is connected with a first sliding chute (604) in a sliding way, and the first chute (604) is arranged in the vertical plate (1), the bottom of the mesh screen (603) is provided with a collecting plate (605), and the acquisition plate (605) is fixedly connected with the guide sample plate (3), and the outer side of the vertical plate (1) is provided with a dismounting mechanism (7).

2. The field sifting dust sampler of claim 1, wherein: the fixed frame (601) forms a sliding structure through the first sliding block (602), the first sliding groove (604) and the vertical plate (1), and the central axis of the fixed frame (601) coincides with the central axis of the mesh screen (603).

3. A site screened dust sampler as claimed in claim 1 wherein the central axis of the riser (1) coincides with the central axis of the guide plate (3) and the riser (1) is vertically spaced from the collection plate (605).

4. The field sifting dust sampler of claim 1, wherein: the interior of the dismounting mechanism (7) comprises a through hole (701), the through hole (701) is formed in the vertical plate (1), a stop lever (702) is arranged on the positive end face of the through hole (701), the top of the stop lever (702) is connected with a rotating shaft (703), the rear end surface of the rotating shaft (703) is connected with a gear disc (704), the top end of the gear disc (704) is engaged with a gear rod (705), the positive end surface of the gear rod (705) is provided with a second chute (706), a second sliding block (707) is connected to the inner wall of the second sliding groove (706) in a sliding manner, a fixing ring (708) is fixedly installed on one side of the second sliding block (707), and fixed ring (708) is at the positive terminal surface fixed mounting of riser (1), the outer wall cover of gear pole (705) is equipped with reset spring (709), and one side fixed mounting of gear pole (705) has limiting plate (7010).

5. The field sifting dust sampler of claim 4 wherein: the gear rod (705) forms a sliding structure through the second sliding groove (706), the second sliding block (707) and the fixing ring (708), and the gear rod (705) forms a transmission structure through the gear disc (704) and the stop lever (702).

6. The field sifting dust sampler of claim 4 wherein: the limiting plate (7010) and the fixing ring (708) form an elastic structure through a return spring (709), and the gear disc (704) and the vertical plate (1) form a rotating structure through a rotating shaft (703).