CN111964963B

CN111964963B - Bionic sampling device

Info

Publication number: CN111964963B
Application number: CN202010644603.0A
Authority: CN
Inventors: 廖采莹; 许粤骏; 孙瑜; 吴嘉宁; 吴志刚
Original assignee: Sun Yat Sen University
Current assignee: Sun Yat Sen University
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2023-10-17
Anticipated expiration: 2040-07-07
Also published as: CN111964963A

Abstract

The invention relates to a bionic sampling device, a sleeve is sleeved outside a collector, a collecting chamber is sleeved outside the sleeve, one end of a brush head is arranged on the upper part of the outer wall of the collector, two ends of an elastic device are respectively and fixedly connected to the outer wall of the collector and the position, close to a connecting point with the collector, of the brush head, a hole is formed in the sleeve, corresponding to the brush head, and when the collector rotates, the elastic device ejects or withdraws the brush head through the hole of the sleeve, and a handle is fixedly connected with one end of the collector. The collector is provided with a plurality of brush heads; the operator pushes the handle to drive the sleeve and the collector to move outwards; then the handle is rotated anticlockwise to drive the collector to rotate anticlockwise, and the brush head is sprung open under the action of the elastic device; pulling the handle backwards to drive the sleeve and the collector to move inwards, and collecting liquid or solid powder into the collecting chamber by using the brush head; finally, the handle is rotated clockwise to drive the collector to rotate clockwise, the brush head is closed, and collection of liquid and solid powder is completed.

Description

Bionic sampling device

Technical Field

The invention relates to the field of bionic devices, in particular to a bionic sampling device.

Background

The types of the samplers include a liquid sampler, a solid sampler, a gas sampler and the like. The liquid sampler is mainly used for sampling liquids such as petroleum, molten iron and the like, and the solid sampler is mainly used for sampling particles such as grains, powder and the like.

The liquid sampler that makes according to different materials and sampling mode in the present market has: copper sampler, tetrafluoro sampler, electric oil sampling device, negative pressure oil sampling device, etc. Principle of sampling general viscous liquid: 1. inserting the combined sampler into the liquid to be sampled to a required depth; 2. pulling the inner rod of the sampler upwards, and if a sample at one point is wanted, inserting the sampler into the point wanted to be sampled, and pulling the inner rod; if a sample on the line from top to bottom is wanted, the inner rod of the sampler is required to be kept in a pulled state and slowly inserted into the liquid, so that the liquid at the corresponding position of the sampler enters the sampler in the process of inserting the liquid into the sampler; 3. after the liquid enters the liquid sampler, the inner rod is put down, and the sample is sealed in the sampler; 4. the obtained sample was discharged.

The solid sampler comprises: powder single-point sampler, stainless steel sampling probe, solid sample bottle, solid sampling probe, etc. General solid sampling probes use the principle: during sampling, the sampling probe is inserted into the material along a certain angle, the notch is turned downwards for several times, the notch of the sampling probe is ensured to be upwards during extraction, and then the material is poured into the sample container, so that a sampling task is completed.

In the prior art, only one type of substance can be simply collected, either a solid sampler or a liquid sampler, and the form is single, for example, a rotary solid-liquid surface sediment sampling device is disclosed as CN205748964U, which is used for undisturbed collection of flow type solid and liquid samples in a salt pond, the space state of the collected sediment is not destroyed, the solid is just sediment in the salt pond, the use field is single, and the device is not suitable for large-scale popularization.

Disclosure of Invention

The invention provides a bionic sampling device for solving the technical defects that the existing sampler cannot collect solid and liquid substances and has single application scene.

In order to achieve the aim of the invention, the technical scheme adopted is as follows:

a bionic sampling device comprises a collecting chamber, a collector, a sleeve, a brush head, a handle and an elastic device; the brush head is characterized in that the sleeve is sleeved outside the collector, the collecting chamber is sleeved outside the sleeve, one end of the brush head is arranged on the upper portion of the outer wall of the collector, two ends of the elastic device are fixedly connected to the outer wall of the collector and the position, close to the connecting point of the collector, of the brush head, holes are formed in the sleeve, corresponding to the brush head, of the brush head, and when the collector rotates, the elastic device ejects or withdraws the brush head through the holes of the sleeve, and the handle is fixedly connected with one end of the collector.

In the scheme, the collector is provided with a plurality of brush heads; the operator pushes the handle to drive the sleeve and the collector to move outwards; then the handle is rotated anticlockwise to drive the collector to rotate anticlockwise, and the brush head is sprung open under the action of the elastic device; pulling the handle backwards to drive the sleeve and the collector to move inwards, and collecting liquid or solid powder into the collecting chamber by using the brush head; finally, the handle is rotated clockwise to drive the collector to rotate clockwise, the brush head is closed, and collection of liquid and solid powder is completed.

One end of the brush head is arranged on the collector and is rotationally connected through a rotating shaft, and two ends of the elastic device are respectively and fixedly connected to the outer wall of the collector and the position, close to the connecting point of the collector, on the brush head.

The number of the holes, the elastic devices and the brush heads are equal, a plurality of the elastic devices are arranged, and any one of the elastic devices expands the connected brush heads through the holes of the sleeve which are matched with each other.

The brush head and the holes are arranged in bilateral symmetry.

The holes are strip-shaped holes.

The elastic device is a compression spring.

The collecting chamber is of a cylindrical structure with a hollow middle.

The top of the collecting chamber is open, the bottom of the collecting chamber is provided with a through hole, and the sleeve penetrates through the through hole.

The diameter of the through hole is equal to that of the sleeve.

The handle is of a cylindrical structure, and the surface of the handle is subjected to frosted anti-skid treatment.

In the scheme, the invention mainly takes the movement mechanism of the lips and the tongues of bees during eating as the technical background. When the bees eat sugar water, the bees extend the tongue forwards, then spread the bristles, and then retract the tongue backwards to collect the sugar water and pollen into the mouth.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a bionic sampling device, wherein a plurality of brush heads are arranged on a collector; the operator pushes the handle to drive the sleeve and the collector to move outwards; then the handle is rotated anticlockwise to drive the collector to rotate anticlockwise, and the brush head is sprung open under the action of the elastic device; pulling the handle backwards to drive the sleeve and the collector to move inwards, and collecting liquid or solid powder into the collecting chamber by using the brush head; finally, the handle is rotated clockwise to drive the collector to rotate clockwise, the brush head is closed, and collection of liquid and solid powder is completed.

Drawings

FIG. 1 is a main block diagram of the present invention;

FIG. 2 is a schematic view of the closing and opening of the brush head of the present invention;

FIG. 3 is a flow chart of the present invention when collecting solid matter such as liquid or powder;

FIG. 4 is a side view of steps (4) (5) (6) (7) of the process diagram of FIG. 3;

FIG. 5 is a view of the spring and brush head movement at each step in the process diagram of FIG. 3;

reference numerals illustrate: 1. a collection chamber; 2. a collector; 3. a sleeve; 4. a brush head; 5. a handle; 6. and elastic means.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent;

the invention is further illustrated in the following figures and examples.

Example 1

As shown in fig. 1 and 2, a bionic sampling device comprises a collecting chamber 1, a collector 2, a sleeve 3, a brush head 4, a handle 5 and an elastic device 6; the sleeve 3 is sleeved outside the collector 2, the collecting chamber 1 is sleeved outside the sleeve 3, one end of the brush head 4 is arranged on the upper portion of the outer wall of the collector 2, two ends of the elastic device 6 are respectively and fixedly connected to the outer wall of the collector 2 and the connecting position of the brush head 4, holes are formed in the sleeve 3 at positions corresponding to the brush head 4, and when the collector 2 rotates, the elastic device 6 ejects or withdraws the brush head 4 through the holes of the sleeve 3, and the handle 5 is fixedly connected with one end of the collector 2.

In the above proposal, the collector 2 is provided with a plurality of brush heads 4; the operator pushes the handle 5 to drive the sleeve 3 and the collector 2 to move outwards; then the handle 5 is rotated anticlockwise to drive the collector 2 to rotate anticlockwise, and the brush head 4 is sprung open under the action of the elastic device 6; pulling handle 5 backward to drive sleeve 3 and collector 2 to move inwards, collecting liquid or solid powder into collecting chamber 1 by brush head 4; finally, the handle 5 is rotated clockwise to drive the collector 2 to rotate clockwise, the brush head 4 is closed, and collection of liquid and solid powder is completed.

One end of the brush head 4 is arranged on the collector 2 and is rotationally connected through a rotating shaft, and two ends of the elastic device 6 are respectively and fixedly connected with the outer wall of the collector 2 and the brush head 4 at a position close to a connecting point with the collector 2.

The number of the holes, the elastic devices 6 and the brush heads 4 are equal, a plurality of the elastic devices 6 are arranged, and any one elastic device 6 spreads the connected brush heads 4 through the holes of the sleeve 3 which are matched with each other.

The brush head 4 and the holes are symmetrically arranged left and right.

The holes are strip-shaped holes.

The elastic device 6 is a compression spring.

The collecting chamber 1 is of a hollow cylindrical structure in the middle.

The top of the collecting chamber 1 is opened, the bottom is provided with a through hole, and the sleeve 3 passes through the through hole.

The diameter of the through hole is equal to the diameter of the sleeve 3.

The handle 5 is of a cylindrical structure, and the surface of the handle is subjected to frosted anti-skid treatment.

Example 2

As shown in fig. 3, 4 and 5, (1) the sampler of the present invention, the sleeve 3 is provided with holes, and the collector 2 is provided with two rows of brush heads 4, named A, B rows; (2) the pushing handle 5 drives the sleeve 3 and the collector 2 to move outwards; (3) the counterclockwise rotation handle 5 drives the collector 2 to rotate counterclockwise; (4) the brush head 4 is unfolded from the hole under the action of a spring; (5) pulling handle 5 backward to drive sleeve 3 and collector 2 to move inwards, collecting liquid or powder into collecting chamber 1 by brush head 4; (6) rotating the handle 5 clockwise drives the collector 2 to rotate clockwise; (7) the brush head 4 is closed, and the collection is completed once.

Figure 5 illustrates the movement of the spring and brush head at each step in the process diagram of figure 3: step (1) and step (2): the brush head 4 is closed and the spring is compressed; step (3), with the counterclockwise rotation of the collector 2, the brush head 4 is gradually unfolded from the hole of the sleeve 3, and the spring is gradually stretched; step (4): the brush head 4 and the spring are fully unfolded; step (5): the collector 2 moves downwards to collect the matters, and the brush head 4 is always unfolded due to the tension of the spring; step (6): with the clockwise rotation of the collector 2, the brush head is gradually pressed and closed by the wall of the sleeve 3, and the spring is gradually compressed; step (7): the brush head 4 is closed and the spring is compressed.

It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. The bionic sampling device is characterized by comprising a collecting chamber (1), a collector (2), a sleeve (3), a brush head (4), a handle (5) and an elastic device (6); the brush head is characterized in that the sleeve (3) is sleeved outside the collector (2), the collecting chamber (1) is sleeved outside the sleeve (3), one end of the brush head (4) is arranged at the upper part of the outer wall of the collector (2), two ends of the elastic device (6) are respectively and fixedly connected to the outer wall of the collector (2) and the place, close to a connecting point with the collector (2), of the brush head (4), holes are formed in the sleeve (3) at the places corresponding to the brush head (4), and when the collector (2) rotates, the elastic device (6) ejects or withdraws the brush head (4) through the holes of the sleeve (3), and the handle (5) is fixedly connected with one end of the collector (2);

one end of the brush head (4) is arranged on the collector (2) and is rotationally connected through a rotating shaft, and two ends of the elastic device (6) are respectively and fixedly connected to the outer wall of the collector (2) and the position, close to the connection point with the collector (2), of the brush head (4);

the number of the holes, the number of the elastic devices (6) and the number of the brush heads (4) are equal, a plurality of the elastic devices (6) are arranged, and any elastic device (6) spreads the connected brush heads (4) through the holes of the sleeve (3) which are matched with each other;

the brush head (4) and the holes are symmetrically arranged left and right.

2. The biomimetic sampling device of claim 1, wherein the aperture is a strip-shaped aperture.

3. A biomimetic sampling device according to claim 2, wherein the elastic means (6) is a compression spring.

4. A biomimetic sampling device according to claim 1, wherein the collection chamber (1) is of a hollow-in-the-middle cylindrical structure.

5. A biomimetic sampling device according to claim 4, wherein the collection chamber (1) is open at the top and provided with a through hole at the bottom, through which the sleeve (3) passes.

6. A biomimetic sampling device according to claim 5, wherein the diameter of the through hole is equal to the diameter of the sleeve (3).

7. A bionic sampling device according to claim 1, wherein the handle (5) is of cylindrical structure, and the surface thereof is subjected to a frosted anti-slip treatment.