CN219348217U - Propelling device of sampling tool bit and sampling equipment - Google Patents

Abstract

The embodiment of the application provides a advancing device of sampling tool bit relates to the biological detection field. The propulsion device comprises: the tool bit box is provided with a tool bit cavity and a tool passing hole communicated with the tool bit cavity, the tool passing hole is positioned at the position to be triggered of the sampling tool bit, and a plurality of sampling tool bits are arranged in the tool bit cavity; the propelling component is arranged in the cutter head cavity and used for moving the sampling cutter head towards the position to be triggered, so that one sampling cutter head is positioned at the position to be triggered, and the sampling cutter head can penetrate through the cutter passing hole to sample a sampled object when the sampling cutter head is triggered. According to the propelling device, the cutter head box and the propelling component are arranged, so that when a sampled object sample is collected, different sampling cutter heads are used for sampling each time, the problem of mutual pollution among samples in the process of multiple collection can be effectively avoided, and the sampling efficiency is improved.

Description

Propelling device of sampling tool bit and sampling equipment

Technical Field

The application relates to the field of biological detection, in particular to a propelling device of a sampling tool bit and sampling equipment.

Background

With the development of biological detection technology, great improvement of the purification efficiency of animal and plant DNA, i.e. high-flux DNA extraction and purification technology, is urgently needed. The magnetic bead extraction and purification method of DNA and the corresponding extraction equipment, namely a high-flux DNA extraction and purification instrument, are the most basic method and equipment at present.

The DNA of the extracted plants requires sampling of the plants, and recently, a special hole puncher capable of improving work efficiency has been disclosed. For example, CN 113959751A discloses an instrument for collecting plant samples, which consists of a sampling head assembly, a collection plate, a sample storage disk, a drive assembly, a bracket and a control circuit. Wherein the sampling head assembly is configured to be capable of cutting samples of a desired size from plants; the collecting plate is arranged to be able to place a portion of the plant and is provided with a through hole able to allow at least a portion of the sampling head end to enter. In the related art, it is difficult to achieve both avoiding the mutual contamination between samples and faster sampling.

Disclosure of Invention

In view of this, it is desirable to provide a pushing device of a sampling bit and a sampling device so that both mutual contamination between samples can be avoided and faster sampling can be achieved.

To achieve the above object, an aspect of an embodiment of the present application provides a propulsion device for a sampling tool bit, including: the tool bit box is provided with a tool bit cavity and a tool passing hole communicated with the tool bit cavity, the tool passing hole is positioned at the position to be triggered of the sampling tool bit, and a plurality of sampling tool bits are arranged in the tool bit cavity; the propelling component is at least partially positioned in the cutter head cavity and is used for moving the sampling cutter head towards the position to be triggered, so that one sampling cutter head is positioned at the position to be triggered, and the sampling cutter head can penetrate through the cutter passing hole to sample plants when the position to be triggered is determined.

In some embodiments, the tool bit cartridge comprises a first cartridge body and a second cartridge body, the first cartridge body is detachably connected to the second cartridge body, and the first cartridge body and the second cartridge body can be assembled to form the tool bit cavity so as to load the sampling tool bit into the tool bit cavity.

In some embodiments, the splicing end of the first box body is formed with two-stage step surfaces, the splicing end of the second box body is spliced on the first-stage step surface of the first box body, so that the second-stage step surface of the first box body is positioned between the first box body and the second box body to form a first clearance part, and the outer surface of the splicing end of the first box body is positioned outside the second-stage step surface.

In some embodiments, the splicing ends of the first and second cartridges are spaced apart at the cocked position to form a second pocket.

In some embodiments, the propulsion assembly comprises:

the sliding block is arranged in the tool bit cavity and divides the tool bit cavity into a filling cavity and a pushing cavity, the tool passing hole is positioned at one end of the filling cavity far away from the pushing cavity, and the sampling tool bits are arranged in the filling cavity;

the elastic piece is arranged in the pushing cavity and used for moving the sliding block towards the position to be triggered so that one sampling tool bit is located at the position to be triggered.

In some embodiments, at least one guide groove is formed on an inner wall of the cartridge, the guide groove extending in a pushing direction of the sampling cartridge, and at least part of the slider is located in the guide groove to move along the guide groove.

In some embodiments, the through-hole is located at one end of the bit case, and the upper and lower walls of the bit case at the cocked position are left empty to form the through-hole.

In some embodiments, the cocked position is at one end of the bit cavity, such that one of the sampling bits is at the cocked position.

A second aspect of an embodiment of the present application provides a sampling device, including:

the workbench is provided with a sampling hole on the surface;

the propelling device according to the previous embodiment, provided on the workbench, for filling a plurality of sampling cutter heads, wherein the position to be triggered is aligned with the sampling hole along the triggering direction;

the firing device is arranged on the workbench and is used for firing the sampling tool bit positioned at the position to be fired so that the sampling tool bit samples plants positioned on the sampling hole.

In some embodiments, the lower two sides of the tool bit box are at least partially protruded outwards to form a guiding convex strip, and the workbench comprises:

the sampling hole is formed on the table top of the base;

the device comprises a base, a support, a firing device and a tool bit box, wherein the support is arranged on the base and comprises a first installation part with a first installation cavity, a second installation part with a second installation cavity and a box magazine seat with a sliding groove, the firing device is arranged on the first installation part and positioned in the first installation cavity, the box magazine seat is arranged on the second installation part and positioned in the second installation cavity, the upper part of the sliding groove is opened, two sides of the lower part of the sliding groove outwards extend to form a limiting groove, and the tool bit box is arranged on the box magazine seat and is in sliding fit with the limiting groove body.

According to the propelling device for the sampling tool bit, when samples are collected through the tool bit box and the propelling component, the sampling tool bit at the position to be triggered passes through the tool passing hole to sample the sampled object along with the triggering of the sampling tool bit at the position to be triggered, the propelling component fills the tool passing hole at the position to be triggered to sample the sampled object next time by pushing one sampling tool bit in the tool bit cavity, and different sampling tool bits are used for sampling each time, so that the sampling of the sampled object can be effectively avoided in the process of multiple times of collection, and the problem of mutual pollution of the sampling tool bit through the same sampling tool bit between samples obtained by multiple times of sampling is avoided. Furthermore, when the sampling tool bit at the position to be triggered is triggered out of the tool bit box to sample a sampled object, the pushing component pushes the sampling tool bit in the tool bit cavity to move towards the position to be triggered so as to fill the vacant position to be triggered to sample next time, the sampling tool bit at the position to be triggered is triggered out of the tool bit box once, the pushing component can push the rest sampling tool bits in the tool bit cavity to be timely supplemented to the position to be triggered, so that the sampling tool bit can be replaced for multiple times rapidly and continuously, tool changing operation by operators is not needed, and the sampling efficiency is improved.

Drawings

FIG. 1 is a schematic view of a sampling device according to an embodiment of the present application, illustrating a stand and a base;

FIG. 2 is a schematic structural view of a part of a sampling device according to an embodiment of the present application, in which a bracket and a base are not shown;

FIG. 3 is a schematic structural view of a propulsion device of a sampling cutter head according to an embodiment of the present disclosure;

fig. 4 is a front view of the embodiment of fig. 3 with the second pocket removed.

Reference numerals illustrate:

a bit cartridge 10; a via hole 10a; a first hollow portion 10b; a second clearance portion 10c; a bit cavity 11; a loading chamber 11b; a pushing chamber 11a; a first cartridge 12; a second cartridge 13; a first stage step surface 14; a second step surface 15; a guide groove 16; a guide rib 17; a sampling bit 20; a slider 21; an elastic member 22; a work table 100; a propulsion assembly 23; a base 110; a sampling hole 111; a bracket 120; a first mounting portion 121; a second mounting portion 122; a magazine base 123; a propulsion device 200; the firing device 300.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and technical features in the embodiments may be combined with each other, and the detailed description in the specific embodiments should be construed as an explanatory description of the present application and should not be considered as undue limitation of the present application.

In the description of the embodiments of the present application, the terms "upper," "lower," "front," "rear," or positional relationships are based on those shown in fig. 2, and it should be understood that these terms are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the related art, when sampling is carried out once, the sampling tool bit at the position to be triggered is triggered out of the tool bit box, the position to be triggered is empty, an operator is required to fill the sampling tool bit again at the position to be triggered, and the next sampling can be carried out, so that the sampling efficiency is low.

The embodiment of the application provides sampling equipment. Referring to fig. 1 and 2, the sampling apparatus includes: a table 100, a pusher 200, and a firing device 300. Wherein both the pushing device 200 and the firing device 300 are disposed on the workbench 100. A sampling hole 111 is formed in the top of the table 100. The pushing device 200 is used for filling a plurality of sampling cutter heads 20, and the firing device 300 is used for firing the sampling cutter heads 20 to sample the plants positioned on the sampling holes.

In this embodiment, the table 100 provides a base for the sampling device for mounting the pusher 200 and firing 300 devices to the table 100, with sampling apertures 111 formed in the table surface for the passage of the sampling tool bits 20. The propelling device 200 is used for filling the sampling tool bit 20 required for sampling, and the firing device 300 is used as a power source for providing a sampling action and is used for firing the sampling tool bit 20 to sample plants.

The shape of the sampling hole 111 is not limited, and may be circular, square, or any other shape. The sampling device may be used to sample leaves or petals of a plant, and the sampling device is not limited to sampling leaves or petals, but may be applied to other objects being sampled. The structures and shapes of the different sampling tool bits can be the same, and the sampling tool bits can be different, but are not the same.

In one embodiment, referring to fig. 2 and 3, the table 100 includes: base 110 and bracket 120. The table top of the base is provided with a sampling hole. Wherein, the bracket 120 is disposed on the base 110. The bracket 120 includes a first mounting portion 121 having a first mounting cavity, a second mounting portion 122 having a second mounting cavity, and a magazine base 123 having a sliding groove. The firing device 300 is disposed on the first mounting portion 121, the firing device 300 is disposed in the first mounting cavity, the magazine seat 123 is disposed on the second mounting portion 122, and the magazine seat 123 is disposed in the second mounting cavity. The upper part of the sliding groove is opened, and two sides of the lower part of the sliding groove outwards extend to form a limit groove. The sampling hole 111 is formed on the mesa of the base 110. The propelling device is at least partially arranged on the magazine seat and is in sliding fit with the limit groove.

It should be noted that the space structure in the bracket may be set according to practical situations, and is not limited to the first installation cavity and the second installation cavity.

Referring to fig. 3 and 4, an embodiment of a propulsion device 200 for a sampling tool bit 20 is provided, where the propulsion device 200 includes: a bit magazine 10 and a propulsion assembly 23. The tool bit case 10 is formed with a tool bit cavity 11 and a tool passing hole 10a communicated with the tool bit cavity 11, the tool passing hole 10a is positioned at a position to be fired of the sampling tool bit 20, and a plurality of sampling tool bits 20 are arranged in the tool bit cavity 11. The pushing component 23 is at least partially located in the cutter head cavity 11, and is used for moving the sampling cutter head 20 towards the cocked position, so that one sampling cutter head 20 is located at the cocked position, and the sampling cutter head 20 can penetrate through the cutter passing hole 10a to sample plants when cocked.

It should be noted that the sampling tool 20 may be used to sample leaves or petals of a plant, but is not limited to sampling leaves or petals of a plant.

In this embodiment, the cutter head cavity 11 is used for storing a plurality of sampling cutter heads 20, and the cutter passing hole 10a is located at a position to be fired so that the sampling cutter heads 20 located in the cutter head cavity 11 can be fired and ejected. Because each sampling is completed by ejecting the sampling cutter head 20, the pushing component 23 pushes the rest sampling cutter head 20 to move towards the position to be triggered after the sampling cutter head 20 is ejected, so that different sampling cutter heads 20 are filled in the position to be triggered.

In an embodiment, referring to fig. 2 and 3, a magazine 10 may be mounted on the magazine base 123, and a sliding groove formed by the magazine base 123 is slidably engaged with the magazine 10.

In this embodiment, base 110 serves as the base of the sampling device for carrying the mechanism within the device. The bracket 120 of this embodiment is provided with two mounting cavities, the first mounting cavity is shaped to match the firing device 300, and the second mounting cavity is shaped to match the shape of the connected bit cartridge 10 and magazine base 123, so that the device will not shift in position during sampling. The sliding fit of the magazine 10 and the magazine seat 123 is used to facilitate the front sampling cutter 20 to be located at the cocked position after the sampling cutter 20 is loaded into the magazine 20 before the sampling operation is started.

In one embodiment, the two sides of the lower part of the tool bit box are at least partially outwards protruded to form guide convex strips.

In one embodiment, the number of sampling bits 20 stored in the bit cavity 11 is not limited, and for example, one, two or more bits may be stored. The specific number may be selected based on the number of samples required for a set of data.

Since the volume of the bit cavity 11 directly determines the number of sampling bits 20 that the bit cartridge 10 can accommodate, the shape of the bit cavity 11 is not limited.

In one embodiment, the head cavity 11 is shaped as a cuboid.

In one embodiment, propulsion assembly 23 may have a portion of structure located outside of bit cavity 11.

The propulsion device 200 of this embodiment, through being provided with tool bit casket 10 and propulsion subassembly 23, when making the collection plant sample, along with waiting the sampling tool bit of firing position to be launched and pass the sword hole and sample the plant, propulsion subassembly will promote a sampling tool bit in the tool bit chamber and fill the sword hole of waiting the firing position so that carry out the sampling next time, every sampling use all is different sampling tool bit 20, can effectually avoid using same sampling tool bit to sample the plant in the collection process many times, avoid the problem of through same sampling tool bit mutual pollution between the sample that many times sampling obtained. Moreover, when the sampling tool bit 20 at the position to be triggered is triggered out of the tool bit box 10 to sample plants, the pushing component 23 pushes the sampling tool bit 20 in the tool bit cavity 11 to move towards the position to be triggered so as to fill the vacant position to be triggered to sample next time, the sampling tool bit 20 at the position to be triggered is triggered out of the tool bit box 10 once, the pushing component 23 can push the rest sampling tool bits 20 in the tool bit cavity 11 to be timely supplemented to the position to be triggered, so that the sampling tool bit 20 is replaced for multiple times rapidly and continuously, tool changing operation by operators is not needed, and the efficiency of plant sampling is improved.

In one embodiment, referring to fig. 3, the tool bit cartridge 10 includes a first cartridge body 12 and a second cartridge body 13, the first cartridge body 12 is detachably connected to the second cartridge body 13, and the first cartridge body 12 and the second cartridge body 13 can be assembled to form the tool bit cavity 11 so as to load the sampling tool bit 20 into the tool bit cavity 11.

In this embodiment, when the first cartridge 12 or the second cartridge 13 is detached, at least a part of the cartridge cavity 11 is visible, and the sampling cartridge 20 can be inserted into the cartridge cavity 11 through the visible part.

In one embodiment, the tool bit cartridge 10 may be integrally formed, or may be formed by splicing more than two cartridges.

In an embodiment, referring to fig. 3 and 4, the splicing end of the first box body 12 is formed with two steps, the splicing end of the second box body 13 is spliced on the first step surface 14 of the first box body 12, so that the second step surface 15 of the first box body 12 is located between the first box body 12 and the second box body 13 to form a first hollow portion 10b, and the outer surface of the splicing end of the first box body 12 is located outside the second step surface 15.

In this embodiment, the second step surface 15 of the first casing 12 forms a first hollow portion 10b between the first casing 12 and the second casing 13, which is convenient for assembly and reduces the manufacturing precision requirement. The cartridge is easy to disassemble when the sampling bit 20 is installed.

In one embodiment, the first pocket 12 and the second pocket 13 are on the same plane at the outer surface of the splice end.

In one embodiment, the first casing 12 is formed with at least one protruding plate on the outer surface of the splicing end and the opposite plane thereof, the protruding plate is provided with a through hole, the second casing 13 is also formed with a protruding plate at the corresponding position, the protruding plate is provided with a through hole, and the casings can be connected through the through hole by using screw threads.

In one embodiment, the first casing 12 is formed with at least one hole boss on a plane opposite to the second casing 13, and the shape of the boss and the hole is not limited. The second pocket 13 is formed with bosses at opposite positions to match the shape of the opening.

In an embodiment, the splicing ends of the first box 12 and the second box 13 are spaced apart at the position to be fired to form a second hollow portion 10c.

It should be noted that, when the width of the cutter head cavity 11 is set to be large, when the pushing component 23 pushes the sampling cutter heads 20 toward the position to be fired, the position of each sampling cutter head 20 aligned in the cutter head cavity 11 is not aligned, which may cause the position of the front sampling cutter head 20 to be offset relative to the position to be fired.

In this embodiment, the second hollow portions 10c are disposed at intervals in the position to be triggered, so that the forefront sampling cutter head 20 can be accurately positioned in the position to be triggered when being pushed, and the sampling process is more stable.

In one embodiment, propulsion assembly 23 includes: a slider 21 and an elastic member 22. The sliding block 21 is arranged in the tool bit cavity 11 and divides the tool bit cavity 11 into a filling cavity 11b and a pushing cavity 11a, the tool passing hole 10a is positioned at one end of the filling cavity 11b far away from the pushing cavity 11a, and a plurality of sampling tool bits 20 are arranged in the filling cavity 11b; an elastic member 22 is disposed in the pushing cavity 11a, and is used for moving the slider 21 towards the cocked position, so that one sampling cutter head 20 is located at the cocked position.

In this embodiment, the slider 21 is elastically connected to the bit cartridge 10, and the slider 21 continuously applies pushing force to the sampling bit 20 because of the elastic body. Therefore, the sampling tool bits 20 arranged in the tool bit cavity 11 are always in a compressed state, and when the sampling tool bits 20 positioned at the position to be fired are fired and ejected, the rest sampling tool bits 20 are moved forwards due to the thrust, and different sampling tool bits 20 are positioned at the position to be fired.

In one embodiment, the elastic member 22 has one end connected to a fixed end surface outside the cartridge 10 and the other end connected to the slider 21.

The number and form of the elastic members 22 are not limited. Preferably, a spring may be selected.

In one embodiment, at least one guiding groove 16 is formed on the inner wall of the cartridge 10, the guiding groove 16 extends along the advancing direction of the sampling cartridge 20, and at least part of the slider 21 is located in the guiding groove 16 to move along the guiding groove 16.

In this embodiment, the guiding groove 16 is provided, so that the sliding block 21 can only move along the advancing direction of the sampling cutter head 20, and the advancing process is smoother. And can make the sampling tool bit 20 that is located the position of waiting to fire paste the tool bit chamber 11 inner wall, make the sampling tool bit 20 receive the back motion of firing more stable.

In one embodiment, the guide slot 16 may be configured as a through slot or as a blind slot.

In one embodiment, the through-hole 10a is located at one end of the tool bit case 10, and the upper and lower walls of the tool bit case 10 at the cocked position are left empty to form the through-hole 10a.

In this embodiment, the upper and lower walls of the cartridge 10 are left free in the cocked position to facilitate avoiding interference of the cartridge 10 with other mechanisms mounted on the frame 120 near the cocked position when slidably receiving the cartridge 10.

In one embodiment, the tool bit cartridge 10 is a through hole in the formed via.

In one embodiment, the cocking position is located at one end of the tool bit cavity 11, so that a sampling tool bit 20 is located at the cocking position.

In this embodiment, the position to be fired is disposed at one end of the cutter head cavity 11, so that the processing of the cutter head cartridge 10 is simpler than that of other positions, and meanwhile, the number of times of collection is maximized under the same shape of the cutter head cavity 11.

The various embodiments/implementations provided herein may be combined with one another without conflict.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (10)

1. A pusher for a sampling cutter head, comprising:

the tool bit box is provided with a tool bit cavity and a tool passing hole communicated with the tool bit cavity, the tool passing hole is positioned at the position to be triggered of the sampling tool bit, and a plurality of sampling tool bits are arranged in the tool bit cavity;

the propelling component is at least partially positioned in the cutter head cavity and used for moving the sampling cutter head towards the position to be triggered, so that one sampling cutter head is positioned at the position to be triggered, and the sampling cutter head can penetrate through the cutter passing hole to sample a sampled object when the sampling cutter head is triggered.

2. The propulsion device of claim 1, wherein the bit cartridge comprises a first cartridge body and a second cartridge body, the first cartridge body being removably coupled to the second cartridge body, the first cartridge body and the second cartridge body being capable of being assembled to form the bit cavity for loading the sampling bit into the bit cavity.

3. The propulsion device of claim 2, wherein the splicing end of the first casing is formed with two-stage stepped surfaces, the splicing end of the second casing is spliced to the first-stage stepped surface of the first casing, so that the second-stage stepped surface of the first casing is positioned between the first casing and the second casing to form a first hollow portion, and the outer surface of the splicing end of the first casing is positioned outside the second-stage stepped surface.

4. The pusher of claim 2, wherein the spliced ends of the first and second pockets are spaced apart in the cocked position to form a second pocket.

5. A propulsion device as in claim 1 wherein the propulsion assembly comprises:

the sliding block is arranged in the tool bit cavity and divides the tool bit cavity into a filling cavity and a pushing cavity, the tool passing hole is positioned at one end of the filling cavity far away from the pushing cavity, and the sampling tool bits are arranged in the filling cavity;

the elastic piece is arranged in the pushing cavity and used for moving the sliding block towards the position to be triggered so that one sampling tool bit is located at the position to be triggered.

6. The propelling device according to claim 5, wherein at least one guide groove is formed on an inner wall of the cartridge, the guide groove extending in a propelling direction of the sampling cartridge, and at least part of the slider is located in the guide groove to move along the guide groove.

7. The pusher device of claim 1, wherein the through-hole is located at one end of the cartridge, the cartridge being left open at the upper and lower walls of the cocked position to form the through-hole.

8. The propulsion device of claim 1, wherein the cocked position is at one end of the bit cavity such that one of the sampling bits is in the cocked position.

9. A sampling device, comprising:

the workbench is provided with a sampling hole on the surface;

the propelling device according to any one of claims 1 to 8, arranged on the workbench, and used for filling a plurality of sampling cutter heads, wherein the position to be triggered is aligned with the sampling hole along the triggering direction;

the firing device is arranged on the workbench and is used for firing the sampling tool bit positioned at the position to be fired so that the sampling tool bit samples the sampled object positioned on the sampling hole.

10. The sampling device of claim 9, wherein the lower sides of the cartridge are at least partially outwardly convex to form guide ribs, the table comprising:

the sampling hole is formed on the table top of the base;

the device comprises a base, a support, a firing device and a tool bit box, wherein the support is arranged on the base and comprises a first installation part with a first installation cavity, a second installation part with a second installation cavity and a box magazine seat with a sliding groove, the firing device is arranged on the first installation part and positioned in the first installation cavity, the box magazine seat is arranged on the second installation part and positioned in the second installation cavity, the upper part of the sliding groove is opened, two sides of the lower part of the sliding groove outwards extend to form a limiting groove, and the tool bit box is arranged on the box magazine seat and is in sliding fit with the limiting groove body.

Images