CN219328618U

CN219328618U - Portable water body microplastic grading sampling device

Info

Publication number: CN219328618U
Application number: CN202223579076.3U
Authority: CN
Inventors: 陈将飞; 郑易; 甘秀凤; 林坚; 白承连
Original assignee: Wenzhou Medical University
Current assignee: Wenzhou Medical University
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-07-11
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a portable water body microplastic hierarchical sampling device, which comprises three sampling barrels, wherein the three sampling barrels are arranged up and down, two sampling barrels which are adjacent up and down are connected through a height adjusting mechanism, each sampling barrel is provided with a water inlet, each sampling barrel is internally provided with an opening and closing mechanism, and the opening and closing mechanism comprises: waterproof jacket, push-and-pull rod, dog, sliding block, permanent magnet, electro-magnet and spring wire, waterproof jacket are fixed in the sampling tube, and the inside left end of waterproof jacket is fixed with the electro-magnet, installs the permanent magnet on the right side of electro-magnet, through spring wire elastic connection between permanent magnet and the electro-magnet, and the right side of permanent magnet links to each other with the sliding block, sliding block and the inner wall sliding connection of waterproof jacket, and the right side of sliding block is connected with the push-and-pull rod, and the right side of push-and-pull rod is connected with the dog. The utility model is convenient to carry, extracts water samples with different depths at one time, and is convenient for sampling and analyzing water microplastic with different depths.

Description

Portable water body microplastic grading sampling device

Technical Field

The utility model relates to the field of water sampling, in particular to a portable water micro-plastic hierarchical sampling device.

Background

Microplastic particles range in size from a few microns to a few millimeters, are heterogeneous mixtures of plastic particles of diverse shapes, often indistinguishable to the naked eye, and are visually known as PM2.5 in the sea.

The microplastic is distributed at each position of the water body, but the microplastic content of the water body with different depths is different, so that in order to comprehensively estimate the microplastic content in the water body, the water with different depths in the water body needs to be sampled and analyzed, the existing water body microplastic sampling device can only extract water samples with one depth at a time, so that multiple sampling is needed, and more time is consumed.

Disclosure of Invention

The utility model aims to provide a portable water body microplastic hierarchical sampling device so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a portable water microplastic classified sampling device, includes the sampling tube, the quantity of sampling tube is three, three the sampling tube is arranged from top to bottom, upper and lower adjacent two link to each other through high adjustment mechanism between the sampling tube, every all be provided with a inlet opening on the sampling tube, every all install an opening and closing mechanism in the sampling tube, opening and closing mechanism includes: waterproof cover, push-and-pull rod, dog, sliding block, permanent magnet, electro-magnet and spring wire, waterproof cover is fixed in the sampling tube, the inside left end of waterproof cover is fixed with the electro-magnet, the permanent magnet is installed on the right side of electro-magnet, pass through spring wire elastic connection between permanent magnet and the electro-magnet, the right side of permanent magnet links to each other with the sliding block, the sliding block is connected with the inner wall sliding connection of waterproof cover, the right side of sliding block is connected with the push-and-pull rod, the right side of push-and-pull rod is connected with the dog.

As a further scheme of the utility model: the handle and the control switch are arranged on the uppermost sampling tube of the three sampling tubes.

As still further aspects of the utility model: the height adjustment mechanism includes: the device comprises a mounting sleeve, a supporting rod, threaded rods, nuts, rotating rods and limiting sliding grooves, wherein the top of the mounting sleeve is connected with one sampling tube, the bottom of the supporting rod is connected with the other sampling tube, the supporting rod is slidably connected in the mounting sleeve, the threaded rods penetrating through the mounting sleeve are arranged on the left side and the right side of the top of the supporting rod, each threaded rod is provided with one nut, the mounting sleeve is provided with the limiting sliding grooves for moving the threaded rods, and a plurality of rotating rods are welded on the nuts.

As still further aspects of the utility model: the like magnetic poles of the permanent magnet and the electromagnet are arranged oppositely.

As still further aspects of the utility model: the diameter of the stop block is the same as that of the water inlet hole.

As still further aspects of the utility model: the electromagnet is electrically connected with the control switch.

The beneficial effects are that: the portable water body microplastic graded sampling device is characterized in that nuts are firstly unscrewed through a rotating rod when in use, then, the distance between two sampling cylinders is adjusted, the nuts are screwed up after adjustment, then, the whole device is placed in a water body, water samples with different depths are sampled through three sampling cylinders, when in use, an electromagnet is started, the permanent magnet is driven to move through repulsive force between the permanent magnet and the electromagnet, a sliding block, a push-pull rod and a stop block are driven to move through the permanent magnet, the stop block moves out of a water inlet, the water body enters from the water inlet, after a period of time, the sampling cylinders are filled with water samples, the electromagnet is closed, the permanent magnet and the sliding block are driven to return through elasticity of a spring wire, the push-pull rod and the stop block are driven to move through the sliding block, the stop block returns to the water inlet to block the water inlet, finally, the sampling cylinders are taken out of water samples in the sampling cylinders to be analyzed, and after the use is completed, the height adjusting mechanism is retracted, and the total length is further reduced, and the portable water body microplastic graded sampling device is convenient to carry. In conclusion, the utility model is convenient to carry, extracts water samples with different depths at one time, and is convenient for sampling and analyzing water microplastic with different depths.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of the usage state of the present utility model.

Fig. 3 is a partial view of the utility model at a in fig. 2.

Fig. 4 is an internal cross-sectional view of a sampling cartridge according to the present utility model.

Fig. 5 is an internal cross-sectional view of the opening and closing mechanism in the present utility model.

In the figure: 1. a sampling tube; 101. a water inlet hole; 2. a handle; 3. a control switch; 4. a height adjusting mechanism; 401. a mounting sleeve; 402. a support rod; 403. a threaded rod; 404. a nut; 405. a rotating lever; 406. limiting sliding grooves; 5. an opening and closing mechanism; 501. a waterproof jacket; 502. a push-pull rod; 503. a stop block; 504. a sliding block; 505. a permanent magnet; 506. an electromagnet; 507. spring wire.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 5, in the embodiment of the utility model, a portable water micro-plastic hierarchical sampling device comprises three sampling barrels 1, wherein the three sampling barrels 1 are arranged up and down, a handle 2 and a control switch 3 are arranged on the uppermost sampling barrel 1 of the three sampling barrels 1, two sampling barrels 1 adjacent up and down are connected through a height adjusting mechanism 4, the space between the sampling barrels 1 can be adjusted through the height adjusting mechanism 4, water bodies with different depths can be sampled through the three sampling barrels 1, each sampling barrel 1 is provided with a water inlet 101, each sampling barrel 1 is internally provided with an opening and closing mechanism 5, the water inlet 101 can be plugged through the opening and closing mechanism 5, when the portable water hierarchical sampling device is used, the space between the three sampling barrels 1 is firstly adjusted, then the sampling barrels 1 are lifted up through the handle 2, the three sampling barrels 1 are placed into a water body, then the water inlet 101 is firstly opened through the opening and closing mechanism 5, the water bodies with different depths can be sampled through the three sampling barrels 1, and then the water inlet 101 can be plugged through the opening and closing mechanism 5;

the height adjusting mechanism 4 includes: the device comprises a mounting sleeve 401, support rods 402, threaded rods 403, nuts 404, rotating rods 405 and limiting sliding grooves 406, wherein the top of the mounting sleeve 401 is connected with one sampling tube 1, the bottom of the support rods 402 is connected with the other sampling tube 1, the support rods 402 are slidably connected in the mounting sleeve 401, the threaded rods 403 penetrating through the mounting sleeve 401 are arranged on the left side and the right side of the top of the support rods 402, each threaded rod 403 is provided with a nut 404, the mounting sleeve 401 is provided with a limiting sliding groove 406 for moving the threaded rods 403, the nuts 404 are welded with a plurality of rotating rods 405, when in use, the nuts 404 are unscrewed through the rotating rods 405, then the distance between the two sampling tubes 1 is adjusted, after the nuts 404 are screwed, the height adjusting mechanism 4 is retracted after the use is finished, and the whole length is reduced, so that the device is convenient to carry;

the opening and closing mechanism 5 includes: waterproof jacket 501, push-and-pull rod 502, dog 503, sliding block 504, permanent magnet 505, electro-magnet 506 and spring wire 507, waterproof jacket 501 is fixed in 1 of sample, waterproof jacket 501's inside left end is fixed with electro-magnet 506, permanent magnet 505 is installed on the right side of electro-magnet 506, pass through spring wire 507 elastic connection between permanent magnet 505 and the electro-magnet 506, the homopolar magnetic pole of permanent magnet 505 and electro-magnet 506 sets up relatively, the right side of permanent magnet 505 links to each other with sliding block 504, sliding block 504 and the inner wall sliding connection of waterproof jacket 501, sliding block 504's right side is connected with push-and-pull rod 502, push-and-pull rod 502's right side is connected with dog 503, the diameter of dog 503 is the same with the diameter of inlet 101, during the use, drives electro-magnet 506 through permanent magnet 505 and electro-magnet 506 between the drive permanent magnet 505 and the repulsion force rod 502 for the water sample is got into from inlet 101, and the push-and-pull rod 504 is filled with the push-and-pull rod 101 after a period, closes electro-magnet 506, drives the electro-magnet 506 through spring wire and drives the elasticity of sliding block 506 and makes the water sample 101 and the switch to get back to the electricity through the control of the dog 503, and the switch is convenient to carry out the electrical connection.

The working principle of the utility model is as follows: the portable water body microplastic graded sampling device is characterized in that nuts 404 are unscrewed through a rotating rod 405 when in use, then, the distance between two sampling barrels 1 is adjusted, the nuts 404 are screwed down after adjustment, then, the whole device is placed in a water body, water bodies with different depths are sampled through three sampling barrels 1, when in use, an electromagnet 506 is started, a permanent magnet 505 is driven to move through repulsive force between the permanent magnet 505 and the electromagnet 506, a sliding block 504, a push-pull rod 502 and a stop 503 are driven to move through the permanent magnet 505, the stop 503 is enabled to move out of a water inlet 101, the water body enters from the water inlet 101, water samples are filled in the sampling barrels 1 after a period of time, the electromagnet 506 is closed, the permanent magnet 505 and the sliding block 504 are driven to return through elasticity of a spring wire 507, the push-pull rod 502 and the stop 503 are driven to move, the stop 503 is enabled to be blocked in the water inlet 101, finally, the sampling barrels 1 are taken out of water, the water samples in the sampling barrels 1 are taken out for analysis, the height adjusting mechanism 4 is retracted after the use, and the whole length is reduced, and the portable water body microplastic graded sampling device is convenient to carry.

Claims

1. Portable water microplastic classified sampling device, its characterized in that: including the sampling tube, the quantity of sampling tube is three, three the sampling tube is arranged from top to bottom, upper and lower adjacent two link to each other through high adjustment mechanism between the sampling tube, every all be provided with a inlet opening on the sampling tube, every all install an opening and closing mechanism in the sampling tube, opening and closing mechanism includes: waterproof cover, push-and-pull rod, dog, sliding block, permanent magnet, electro-magnet and spring wire, waterproof cover is fixed in the sampling tube, the inside left end of waterproof cover is fixed with the electro-magnet, the permanent magnet is installed on the right side of electro-magnet, pass through spring wire elastic connection between permanent magnet and the electro-magnet, the right side of permanent magnet links to each other with the sliding block, the sliding block is connected with the inner wall sliding connection of waterproof cover, the right side of sliding block is connected with the push-and-pull rod, the right side of push-and-pull rod is connected with the dog.

2. The portable water body microplastic graded sampling device of claim 1, wherein: the handle and the control switch are arranged on the uppermost sampling tube of the three sampling tubes.

3. The portable water body microplastic graded sampling device of claim 1, wherein: the height adjustment mechanism includes: the device comprises a mounting sleeve, a supporting rod, threaded rods, nuts, rotating rods and limiting sliding grooves, wherein the top of the mounting sleeve is connected with one sampling tube, the bottom of the supporting rod is connected with the other sampling tube, the supporting rod is slidably connected in the mounting sleeve, the threaded rods penetrating through the mounting sleeve are arranged on the left side and the right side of the top of the supporting rod, each threaded rod is provided with one nut, the mounting sleeve is provided with the limiting sliding grooves for moving the threaded rods, and a plurality of rotating rods are welded on the nuts.

4. The portable water body microplastic graded sampling device of claim 1, wherein: the like magnetic poles of the permanent magnet and the electromagnet are arranged oppositely.

5. The portable water body microplastic graded sampling device of claim 1, wherein: the diameter of the stop block is the same as that of the water inlet hole.

6. The portable water body microplastic graded sampling device of claim 2, wherein: the electromagnet is electrically connected with the control switch.