CN219156861U

CN219156861U - Sampling device

Info

Publication number: CN219156861U
Application number: CN202222899166.4U
Authority: CN
Inventors: 王攀; 方玉; 郑国利; 董长尚
Original assignee: Shanghai Zhongke Quanyin Molecular Breeding Technology Co ltd
Current assignee: Shanghai Zhongke Quanyin Molecular Breeding Technology Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-06-09
Anticipated expiration: 2032-11-01

Abstract

The application provides a sampling device relates to the biological detection field. The sampling device comprises a workbench, a bracket and a base, wherein the bracket is connected with the base, and a sampling hole is formed on the table top of the base; the filling assembly is arranged on the support and provided with a sampling position aligned with the sampling hole, the filling assembly is used for filling a sampling tool bit positioned at the sampling position, and the filling assembly can separate the sampling tool bit positioned at the sampling position from the filling assembly so as to sample a sampled object positioned on the sampling hole. The sampling device of this application fills sampling tool bit through being provided with the filling assembly, and sampling tool bit for the difference that sampling used at every turn can avoid the problem of through same sampling tool bit mutual pollution between the sample that many times sampling obtained to need not to consider the wearing and tearing condition of sampling tool bit, make sampling device's sampling efficiency promote.

Description

Sampling device

Technical Field

The application relates to the field of biological detection, in particular to a sampling device.

Background

With the development of biological detection technology, great improvement of animal and plant DNA purification efficiency, 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 rack 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 part of the plant and is provided with a through hole able to allow at least a part of the end of the sampling head to enter. In the related art, there is a problem of mutual contamination between a plurality of samples obtained by sampling.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a sampling device that improves the problem of mutual contamination between samples during collection.

In order to achieve the above purpose, the technical solution of the embodiments of the present application is implemented as follows:

the embodiment of the application provides a sampling device, including: the workbench comprises a bracket and a base, wherein the bracket is connected with the base, and a sampling hole is formed on the table top of the base; the filling assembly is arranged on the support, the filling assembly is provided with a sampling position aligned with the sampling hole, the filling assembly is used for filling a sampling tool bit positioned at the sampling position, and the filling assembly can separate the sampling tool bit positioned at the sampling position from the filling assembly so as to sample a sampled object positioned on the sampling hole.

In some embodiments, the priming assembly comprises: the filling mechanism is arranged on the bracket, the sampling position is positioned on the filling mechanism, and the filling mechanism is used for filling a sampling cutter head positioned at the sampling position; the firing mechanism is arranged on the bracket and is used for firing the sampling tool bit positioned at the sampling position so that the sampling tool bit samples the sampled object positioned on the sampling hole.

In some embodiments, the firing mechanism includes a motor, a gear, and a rack, where the motor is mounted on the support, and the motor drives the gear to rotate by driving the gear to drive the rack meshed with the gear to move, so as to fire the sampling cutter head.

In some embodiments, the firing mechanism includes a housing, a stationary core disposed in the housing, and an electromagnet movable core with a push rod, where the housing is mounted on the support, and the firing of the sampling cutter head is achieved by engaging and releasing the electromagnet movable core with the stationary core.

In some embodiments, the loading mechanism includes a bullet magazine mounted on the support, the bullet magazine formed with a bullet cavity and a through-blade hole in communication with the bullet cavity, the through-blade hole aligned with the sampling location, the through-blade hole for the sampling bit to pass through; for moving the sampling bit towards the sampling position.

In some embodiments, the propulsion assembly is mounted on the support, the number of bullet cartridges is plural, and plural bullet cartridges are connected side by side; each of the cartridges is adapted to store at least one of the sampling tips.

In some embodiments, the loading mechanism further comprises a first resilient member mounted within the magazine for abutting the sampling bit.

In some embodiments, a first mounting cavity is formed inside the bracket, and the loading mechanism and the firing mechanism are disposed within the first mounting cavity.

In some embodiments, the workbench further comprises a handle connected with the bracket, wherein the handle and the bracket form a handle part.

In some embodiments, the base includes a support plate, a storage box and a base, the support is mounted to the base, the sampling hole is located in the support plate, the support plate is detachably mounted to the base, the base is formed with a second mounting cavity, the storage box is used for collecting the sampling sample, and the storage box is detachably mounted in the second mounting cavity.

According to the sampling device, the sampling tool bit is filled in the filling assembly, and the sampling tool bit located at the sampling position can be separated from the filling assembly due to the fact that the filling assembly is arranged, and in the sampling process, the sampling tool bit breaks away from the filling assembly to sample a sampled object. Because the sampling tool bit breaks away from and fills assembly sampling, before carrying out the sampling of next time, fill the sampling position department of assembly and can fill another sampling tool bit in order to continue the sampling, because the sampling tool bit that is different that uses at every turn, can effectually avoid using same sampling tool bit to the sampling of sampling object 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 to need not to consider the wearing and tearing condition of sampling tool bit, make sampling device's sampling efficiency promote.

Drawings

FIG. 1 is a schematic diagram of a sampling device according to an embodiment of the present application, in which a workbench is shown;

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

FIG. 3 is a schematic view of the internal structure of a firing mechanism of a sampling device according to an embodiment of the present application;

FIG. 4 is a schematic view of the internal structure of a firing mechanism of a sampling device according to another embodiment of the present application;

FIG. 5 is a schematic structural view of a loading mechanism of a sampling device according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of a bullet train of a sampling device according to an embodiment of the present disclosure;

FIG. 7 is a top view of a cartridge of a sampling device according to an embodiment of the present disclosure;

reference numerals illustrate:

a work table 100; a bracket 110; a base 120; a sampling hole 121; a priming assembly 200; sampling tool bit 300; a loading mechanism 210; a firing mechanism 220; a motor 221; a gear 222; a rack 223; a housing 225; an electromagnet plunger 224; a stationary core 226; a magazine 211; a propulsion assembly 212; bullet cavity 211a; a via hole 211b; a bullet train 213; a first elastic member 211c; a first mounting cavity 111; a handle 130; a handle portion 130a; a support plate 122; a storage box 123; a base 124; a second mounting cavity 125.

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.

An embodiment of the present application provides a sampling device, please refer to fig. 1. The sampling device includes: the workbench 100 comprises a bracket 110 and a base 120, wherein the bracket 110 is connected with the base 120, and a sampling hole 121 is formed on the table top of the base 120. A loading assembly 200 disposed on the support 110, the loading assembly 200 having a sampling position aligned with the sampling aperture 121, the loading assembly 200 for loading a sampling tool bit 300 positioned at the sampling position, the loading assembly 200 being capable of separating the sampling tool bit 300 positioned at the sampling position from the loading assembly 200 to sample a sampled object positioned at the sampling aperture 121.

In this embodiment, the table 100 provides the base of the sampling device for mounting the loading assembly 200 to the table 100, with the sampling aperture 121 formed in the top of the base 120 for the sampling tool bit 300 to pass through. The loading assembly 200 is used for loading the sampling tool bit 300 in a sampling position and enabling the sampling tool bit 300 to complete a sampling operation through the sampling hole 121. Because the filling assembly 200 can separate the sampling tool bit 300 positioned at the sampling position from the filling assembly 200, the sampling tool bit 300 is separated from the filling assembly 200 for sampling, and before the next sampling, the sampling position of the filling assembly 200 can be filled with another sampling tool bit 300 for continuous sampling, and different sampling tool bits 300 are used for each sampling, so that the abrasion condition of the sampling tool bit 300 is not required to be considered, the sampling efficiency of the sampling device is improved, the problem that the same sampling tool bit 300 is used for sampling a sampled object in the process of multiple sampling can be effectively avoided, and the mutual pollution of samples obtained by multiple sampling through the same sampling tool bit 300 is avoided.

The shape of the sampling hole 121 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, please refer to fig. 2. The priming assembly 200 includes: a loading mechanism 210 and a firing mechanism 220. The device mechanism is disposed on the support 110, the sampling position is located on the loading mechanism 210, and the loading mechanism 210 is used for loading a sampling tool bit 300 located at the sampling position. The firing mechanism 220 is disposed on the bracket 110, and the firing mechanism 220 is used for firing the sampling tool bit 300 located at the sampling position, so that the sampling tool bit 300 samples the plant located at the sampling hole 121.

In this embodiment, the loading mechanism 210 is used to load the sampling tool bit 300 such that one sampling tool bit 300 is located at a sampling position, and the firing device is used as a power source for providing a sampling action for firing the sampling tool bit 300 to sample plant samples. The sampling bit 300 in the sampling position of the loading mechanism 210 is disengaged from the loading mechanism 210 under firing of the firing mechanism 220 to sample the plant. Each time sampling is performed by triggering different sampling tool bits 300 positioned at sampling positions through the triggering device, so that the pollution caused by the same sampling tool bit 300 between samples obtained for multiple times is avoided.

In one embodiment, the filling assembly 200 includes a filling mechanism 210, a power mechanism and a clamping portion, the clamping portion is rotationally connected with the filling mechanism 210, the clamping portion is used for clamping the sampling tool bit 300 located at the sampling position, the power mechanism is installed on the filling mechanism 210 and/or the support 110, the power mechanism drives the clamping portion to rotate so that the clamping portion is switched between a state of clamping the sampling tool bit 300 and a state of loosening the sampling tool bit 300, the filling mechanism 210 pushes the forefront sampling tool bit 300 into the clamping portion, after the clamping portion clamps the sampling tool bit 300, when a plant needs to be sampled, the power mechanism drives the clamping portion to rotate so as to loosen the sampling tool bit 300 located at the sampling position, and the sampling tool bit 300 at the sampling position freely falls under the action of gravity so as to complete the sampling action.

Note that, the movement track of the sampling tool head 300 for sampling plants is not particularly limited.

In one embodiment, please refer to fig. 4. The firing mechanism 220 comprises a motor 221, a gear 222 and a rack 223, wherein the motor 221 is arranged on the bracket 110, and the motor 221 drives the rack 223 meshed with the gear 222 to move through driving the gear 222 to fire the sampling tool bit 300.

In this embodiment, the motor 221 is used as a power source, and the rack 223 of the gear 222 is driven, so that the firing process can be circulated, and the injection direction of the sampling tool bit 300 can be ensured to be stable.

In one embodiment, please refer to fig. 2 and 3. The firing mechanism 220 comprises a shell 225, a static iron core 226 and an electromagnet movable iron core 224, wherein the static iron core 226 and the electromagnet movable iron core 224 are positioned in the shell 225, the shell 225 is arranged on the bracket 110, and the firing of the sampling cutter head 300 is realized through the attraction and release of the electromagnet movable iron core 224 and the static iron core 226.

In this embodiment, the housing 225 is mounted on the bracket 110, and limits the push rod when the movable core and the stationary core 226 are attracted, so as to prevent the damage to the stationary core 226 caused by the impact of the push rod. The movable iron core and the static iron core 226 cooperate to enable the sampling work to be more automatic, and the remote control sampling can be realized.

In one embodiment, the loading mechanism 210 includes a magazine 211 and a pusher assembly 212, see fig. 2 and 5. The bullet box 211 is mounted on the bracket 110, the bullet box 211 is provided with a bullet cavity 211a and a through-blade hole 211b communicated with the bullet cavity 211a, the through-blade hole 211b is aligned with the sampling position, and the through-blade hole 211b is used for the passage of the sampling tool bit 300; propulsion assembly 212 is used to move sampling tool bit 300 toward the sampling position.

It should be noted that the sampling tool bit 300 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 magazine 211 is used to store sampling tips 300, and the propulsion assembly 212 is used to move the sampling tips 300 toward the sampling position, so that one sampling tip 300 is located at the sampling position, and the sampling tips 300 can pass through the through-hole 211b to sample plants. Because each sampling is completed by ejecting the sampling tool bit 300, the pushing component 212 pushes the rest sampling tool bit 300 after the sampling tool bit 300 is ejected, so that different sampling tool bits 300 are filled in the position to be fired.

The shape of the via hole 211b is not limited, and may be any shape.

In one embodiment, the magazine 211 is formed with a recess at the sampling location to avoid interference of the magazine 211 with other devices within the holder 110 when the magazine is loaded into the holder 110.

In one embodiment, the pushing assembly 212 includes a second elastic member and a slider, both of which are disposed in the bullet cavity 211a, the slider divides the bullet cavity 211a into a loading cavity and a pushing cavity, the loading cavity is used for loading the sampling tool bit 300, and the second elastic member is disposed in the pushing cavity and used for moving the slider toward the sampling position so that one sampling tool bit 300 is located at the sampling position.

In one embodiment, please refer to fig. 2 and 6. The propelling component 212 is installed on the bracket 110, the number of the bullet boxes 211 is a plurality, and the bullet boxes 211 are connected side by side; each sub-magazine 211 is for storing at least one sampling bit 300.

In this embodiment, the cartridges 211 are connected side by side to form a chain 213, the propulsion assembly 212 is connected to the chain 213, and when the sampling tool bit 300 at the sampling position is fired, the propulsion assembly 212 drives the chain 213 to position different sampling tool bits 300 at the sampling position.

It will be appreciated that a plurality of side-by-side connected bullet cartridges 211 are movably mounted to the holder 110. A plurality of side-by-side connected cartridge magazines 211 are driven relative to the carriage 110 by the propulsion assembly 212 to move the sampling tips 300 in the cartridge magazines 211 to a sampling position.

Illustratively, the push assembly 212 may push a side-by-side magazine 211 to move, or may pull multiple side-by-side magazines 211 to move.

In one embodiment, the propulsion assembly 212 is coupled to the front most magazine 211 in the chain 213.

In one embodiment, please refer to fig. 7. The loading mechanism 210 further includes a first elastic member 211c, where the first elastic member 211c is installed in the bullet box 211 and is used to abut against the sampling tool bit 300.

In this embodiment, the first elastic member 211c is provided for preventing the sampling bit 300 from falling down by its own weight when it is pushed to the sampling position, and for positioning the sampling bit 300.

It should be noted that the type and number of the first elastic members 211c are not limited. Preferably, the first elastic member 211c may be a spring.

In one embodiment, the first mounting cavity 111 is formed inside the bracket 110, and the loading mechanism 210 and the firing mechanism 220 are disposed in the first mounting cavity 111. In such a structural form, since the loading mechanism 210 and the firing mechanism 220 are disposed in the first mounting cavity 111, the sampling tool bit 300 in the loading mechanism 210 and the contact between the firing mechanism and the outside can be reduced before sampling, the pollution of the external environment to the sampling tool bit 300 and the firing mechanism can be reduced, and the possibility of sample pollution can be further reduced.

In one embodiment, the shape of the first mounting cavity 111 is adapted to the shape of the firing device and the loading mechanism 210.

In this embodiment, the shape of the first mounting cavity 111 matches the shape of the firing device and the loading mechanism 210 so that the device will not shift position during sampling.

In one embodiment, the workbench 100 further includes a handle 130, the handle 130 is connected to the bracket 110, and the handle 130 and the bracket 110 are formed with a handle portion 130a.

In this embodiment, the handle portion 130a is provided, so that the sampling device is portable and suitable for various environments.

Note that, the shape of the handle 130 and the shape of the handle portion 130a are not limited.

In an embodiment, the base 120 includes a support plate 122, a storage box 123 and a base 124, the support 110 is mounted on the base 124, the sampling hole 121 is located on the support plate 122, the support plate 122 is detachably mounted on the base 124, the base 124 is formed with a second mounting cavity 125, the storage box 123 is used for collecting the sampled sample, and the storage box 123 is detachably mounted in the second mounting cavity 125.

In this embodiment, the base 120 serves as a base of the sampling device, and the base 120 includes a support plate 122, a storage box 123, and a base 124. The sampling hole 121 is located on the supporting plate 122, the supporting plate 122 can also be used for supporting plant samples, the base 124 is used for supporting the bracket 110 and the supporting plate 122, the second mounting cavity 125 formed by the base 124 is used for mounting the storage box 123, and the storage box 123 is used for collecting sampling samples and the fired sampling tool bit 300.

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

1. A sampling device, comprising:

the workbench comprises a bracket and a base, wherein the bracket is connected with the base, and a sampling hole is formed on the table top of the base;

the filling assembly is arranged on the support and provided with a sampling position aligned with the sampling hole, the filling assembly is used for filling a sampling tool bit positioned at the sampling position, and the filling assembly can separate the sampling tool bit positioned at the sampling position from the filling assembly so as to sample a sampled object positioned on the sampling hole.

2. The sampling device of claim 1, wherein the priming assembly comprises:

the filling mechanism is arranged on the bracket, the sampling position is positioned on the filling mechanism, and the filling mechanism is used for filling a sampling cutter head positioned at the sampling position;

the firing mechanism is arranged on the bracket and is used for firing the sampling tool bit positioned at the sampling position so that the sampling tool bit samples the sampled object positioned on the sampling hole.

3. The sampling device of claim 2, wherein the firing mechanism comprises a motor, a gear and a rack, the motor is mounted on the bracket, and the motor drives the rack meshed with the gear to move by driving the gear to rotate, so that firing of the sampling cutter head is achieved.

4. The sampling device of claim 2, wherein the firing mechanism comprises a housing, a stationary core positioned in the housing, and an electromagnet movable core with a push rod, wherein the housing is mounted on the support, and the firing of the sampling cutter head is achieved by the attraction and release of the electromagnet movable core and the stationary core.

5. The sampling device of claim 2, wherein the loading mechanism comprises a cartridge magazine and a propulsion assembly, the cartridge magazine mounted to the support, the cartridge magazine formed with a cartridge cavity and a through-blade aperture in communication with the cartridge cavity, the through-blade aperture aligned with the sampling location, the through-blade aperture for passage of the sampling bit; the propulsion assembly is used for enabling the sampling tool bit to move towards the sampling position.

6. The sampling device of claim 5, wherein the propulsion assembly is mounted on the rack, the number of cartridges is plural, and a plurality of cartridges are connected side by side; each of the cartridges is adapted to store at least one of the sampling tips.

7. The sampling device of claim 6, wherein the loading mechanism further comprises a first resilient member mounted within the magazine for abutting the sampling bit.

8. The sampling device of claim 2, wherein a first mounting cavity is formed within the support, the loading mechanism and the firing mechanism being disposed within the first mounting cavity.

9. The sampling device of claim 1, wherein the workstation further comprises a handle coupled to the support, the handle and the support forming a handle portion.

10. The sampling device of claim 1, wherein the base comprises a support plate, a storage box and a base body, the support is mounted on the base body, the sampling hole is located in the support plate, the support plate is detachably mounted on the base body, the base body is provided with a second mounting cavity, the storage box is used for collecting sampling samples, and the storage box is detachably mounted in the second mounting cavity.