CN217111575U

CN217111575U - Blade sampler

Info

Publication number: CN217111575U
Application number: CN202220630759.8U
Authority: CN
Inventors: 许彦芬; 张丛; 刘晨爽
Original assignee: Shijiazhuang Breeding Biotechnology Co ltd
Current assignee: Shijiazhuang Breeding Biotechnology Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-02
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a blade sampler, which comprises a first body and a second body, wherein the first body and the second body are rotationally connected through a rotating shaft, the front ends of the first body and the second body are sampling mechanisms, and the rear ends of the first body and the second body are handles; the front end of the first body is provided with a pressing plate, the front end of the second body is provided with a bearing plate, a pressing piece is arranged between the pressing plate and the bearing plate and comprises a punching column and a spring sleeved on the punching column, a through hole for the punching column to pass through is formed in the bearing plate, a blade placing opening is formed in the side wall of the bearing plate and communicated with the through hole, and a sampling tube is arranged at the lower end of the bearing plate and corresponds to the through hole in position. The utility model discloses the structure is small and exquisite, conveniently carries, convenient operation, labour saving and time saving, suitable popularization.

Description

Blade sampler

Technical Field

The utility model relates to a sampling device technical field especially relates to a blade sampler.

Background

With the rapid development and wide application of molecular biology techniques such as genetic engineering, the extraction of genomic DNA from a target sample is required, and the extraction of genomic DNA requires appropriate tissues, and for plants, the extraction of plant leaves is mostly required.

The sampling mode tradition of plant leaf is all artifical hand tear, leads to the leaf not of uniform size, and the shape is irregular, and the tissue input volume difference is great, and the DNA volume difference of finally extracting is great, and required cost of labor is higher, and the flux is low still appears the cross contamination between the sample easily, can't satisfy current high flux, the experimental requirement of high accuracy.

Also adopt sampling device to take a sample at present, but the sampling mechanism majority of current sampling device is applicable to the sample of indoor plant leaf, is not suitable for the sample operation of field plant leaf, and the clearance of being not convenient for, leads to repetitious usage back, and the leaf sample of getting has the appearance liquid residue of other samples, leads to follow-up leaf sample to have impurity, influences follow-up detection, and the accuracy of test data can not obtain the guarantee.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blade sampler to the not enough of above-mentioned prior art.

In order to solve the above problems, the utility model adopts the following technical scheme:

a blade sampler comprises a first body and a second body, wherein the first body and the second body are rotationally connected through a rotating shaft, the front ends of the first body and the second body are provided with sampling mechanisms, and the rear ends of the first body and the second body are provided with handles; the front end of the first body is provided with a pressing plate, the front end of the second body is provided with a bearing plate, a pressing piece is arranged between the pressing plate and the bearing plate and comprises a punching column and a spring sleeved on the punching column, a through hole for the punching column to pass through is formed in the bearing plate, a blade placing opening is formed in the side wall of the bearing plate and communicated with the through hole, and a sampling tube is arranged at the lower end of the bearing plate and corresponds to the through hole in position.

Furthermore, the top of die-cut post is provided with the baffle, the upper end of spring with the baffle butt, the lower extreme of spring with the layer board butt.

Furthermore, the lower end face of the pressing plate is provided with a pressing bulge, and the pressing bulge is abutted to the baffle.

Furthermore, the pressing protrusion is hemispherical.

Furthermore, a cutter is arranged on the lower end face of the punching column.

Further, the cutter and the punching column are integrally arranged.

Furthermore, the cutter with die-cut post is the components of a whole that can function independently setting, the upper end of cutter with the lower extreme threaded connection of die-cut post.

Further, the blade placing port divides the bearing plate into an upper supporting plate and a lower supporting plate, and the sampling tube is arranged on the lower supporting plate.

Furthermore, the lower supporting plate is detachably connected with the upper supporting plate, a connecting plate is arranged on the lower end face of the upper supporting plate, an inserting protrusion is arranged on the front side of the connecting plate, an inserting groove is correspondingly formed in the side wall of the lower supporting plate, and the lower supporting plate is connected with the upper supporting plate through the inserting protrusion and the inserting groove in a matched mode.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

in the utility model, the first body is hinged with the second body, and the cutter on the punching column can quickly and accurately punch blade samples with the same shape and size by pressing the handle, thereby facilitating accurate experiment;

the utility model discloses the bottom plate in the well bearing board is pegged graft fixedly with the top plate, and the cutter sets up with die-cut post components of a whole that can function independently, when the cutter needs to be changed, extracts the bottom plate, revolves the cutter and revolves soon with die-cut post and separately, the cutter of renewal can with the bottom plate, simple structure, the simple operation has effectively prevented that the blade from appearing polluting's bad phenomenon, guarantees the accuracy of testing result.

The utility model discloses the structure is small and exquisite, conveniently carries, convenient operation, labour saving and time saving, suitable popularization.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the assembly structure of the first body and the second body of the present invention;

FIG. 4 is a schematic structural diagram of a second embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a second embodiment of the present invention.

In the figure: 1. a first body; 2. a second body; 3. a rotating shaft; 5. a pressing plate; 6. a support plate; 61. an upper supporting plate; 62. a lower supporting plate; 7. punching the column; 8. a spring; 9. a through hole; 10. a blade placement port; 11. a sampling tube; 12. a baffle plate; 13. pressing the protrusion; 14. a cutter; 15. a connecting plate; 16. inserting and connecting the bulges; 17. and (4) inserting the groove.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-3, the present invention is a specific embodiment of a blade sampler, and the present embodiment includes a first body 1 and a second body 2, the first body 1 and the second body 2 are rotatably connected through a rotating shaft 3, the first body 1 and the second body 2 are arranged in a cross manner, and are in a scissors-like structure, the front ends of the first body 1 and the second body 2 are sampling mechanisms, the rear ends of the first body 1 and the second body 2 are handles, and the handles of the first body 1 and the second body 2 are pressed in opposite directions to complete sampling by the sampling mechanisms; the front end of the first body 1 is provided with a pressing plate 5, the front end of the second body 2 is provided with a bearing plate 6, a pressing piece is arranged between the pressing plate 5 and the bearing plate 6 and comprises a punching column 7 and a spring 8 sleeved on the punching column 7, the top of the punching column 7 is provided with a baffle 12, the upper end of the spring 8 is abutted to the baffle 12, the lower end of the spring 8 is abutted to the bearing plate 6, the bearing plate 6 is provided with a through hole 9 for the punching column 7 to pass through, the side wall of the bearing plate 6 is provided with a blade placing port 10, the blade placing port 10 is communicated with the through hole 9, the lower end of the bearing plate 6 is provided with a sampling tube 11, the sampling tube 11 corresponds to the through hole 9 in position, and in the embodiment, the sampling tube 11 is inserted into the lower end of the through hole 9.

Further, the blade placing port 10 is horizontally disposed, the supporting plate 6 is divided into an upper supporting plate 61 and a lower supporting plate 62, and the sampling tube 11 is disposed on the lower supporting plate 62.

The utility model discloses during the use, to treat the blade of sample and insert in the blade places mouth 10, sampling tube 11 inserts the lower extreme of through-hole 9, presses the handle relative motion of

first body

1 and 2 rear ends of second body, presses the die-cut post 7 of 5 extrusions of pressing the clamp plate, and die-cut post 7 slides along through-hole 9, surely gets the blade sample, and the blade sample falls into in the sampling tube 11.

Further, since the pressing plate 5 is provided with the pressing projection 13 on the lower end surface thereof, the pressing projection 13 abuts against the baffle plate 12, and the pressing projection 13 is hemispherical, in the present embodiment, since the first body 1 and the second body 2 are hinged in a crossing manner, the pressing plate 5 is not in parallel contact with the top of the blanking column 7, and the pressing plate 5 is inclined, the hemispherical pressing projection 13 is provided, so that the pressing plate 5 and the blanking column 7 can be brought into contact and pressed, and the wear of the pressing plate 5 can be reduced.

Further, the lower terminal surface of die-cut post 7 is provided with cutter 14, and in this embodiment, the lower terminal surface of cutter 14 is towards the indent, and the edge is comparatively sharp, is convenient for cut off the blade.

Furthermore, the cutter 14 and the punching column 7 are integrally arranged, so that the structure is simple and the assembly is convenient.

Furthermore, the through hole 9 of the upper supporting plate 61 is a stepped hole with a large upper part and a small lower part, and the stepped hole with the large upper part is used for being abutted against the spring 8, so that the installation and compression stability of the spring 8 is ensured; the through hole 9 of the lower supporting plate 62 is a stepped hole with a small upper part and a large lower part, and the stepped hole with the large lower part is used for installing the sampling tube 11, so that a blade sample can conveniently fall into the sampling tube 11; the inner diameters of the slightly smaller stepped holes in the upper supporting plate 61 and the lower supporting plate 62 are the same, and the inner diameters of the slightly smaller stepped holes are matched with the outer diameter of the punching column 7.

Further, as shown in fig. 4-5, it is the second embodiment of the present invention, which is different from the above embodiments in that the cutter 14 and the punching column 7 are arranged separately, the upper end of the cutter 14 is connected with the lower end of the punching column 7 by screw threads, and the cutter 14 can be detached and replaced, so as to prevent sample contamination.

Further, the lower supporting plate 62 is detachably connected with the upper supporting plate 61, the lower end face of the upper supporting plate 61 is provided with the connecting plate 15, the front side of the connecting plate 15 is provided with the inserting protrusion 16, the side wall of the lower supporting plate 62 is correspondingly provided with the inserting groove 17, the lower supporting plate 62 is connected with the upper supporting plate 61 through the inserting protrusion 16 and the inserting groove 17 in a matched mode, during sampling, juice of the blades can be remained on the inner wall of the through hole 9 of the lower supporting plate, so that the lower supporting plate 62 is replaced together for preventing sample pollution, meanwhile, the lower supporting plate 62 is detached, and the cutter 14 is convenient to replace.

The second embodiment is the same as the first embodiment in practical use, but the cutter 14 and the lower supporting plate 62 can be detached and replaced in the second embodiment, and after sampling of one sample is completed, the cutter 14 and the lower supporting plate 62 are replaced, so that other samples are prevented from being polluted, and the detection accuracy is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A blade sampler comprises a first body (1) and a second body (2), wherein the first body (1) and the second body (2) are rotatably connected through a rotating shaft (3), the front ends of the first body (1) and the second body (2) are sampling mechanisms, and the rear ends of the first body (1) and the second body (2) are handles; the novel punching die is characterized in that a pressing plate (5) is arranged at the front end of the first body (1), a bearing plate (6) is arranged at the front end of the second body (2), a pressing piece is arranged between the pressing plate (5) and the bearing plate (6), the pressing piece comprises a punching post (7) and a spring (8) sleeved on the punching post (7), a through hole (9) for the punching post (7) to pass through is formed in the bearing plate (6), a blade placing hole (10) is formed in the side wall of the bearing plate (6), the blade placing hole (10) is communicated with the through hole (9), a sampling pipe (11) is arranged at the lower end of the bearing plate (6), and the sampling pipe (11) corresponds to the through hole (9).

2. A blade sampler according to claim 1 wherein the top of the blanking column (7) is provided with a stop plate (12), the upper end of the spring (8) abutting the stop plate (12) and the lower end of the spring (8) abutting the support plate (6).

3. A blade sampler according to claim 2, wherein the lower end surface of the pressing plate (5) is provided with a pressing protrusion (13), and the pressing protrusion (13) abuts against the baffle plate (12).

4. A blade sampler according to claim 3 in which the pressing projection (13) is hemispherical.

5. A blade sampler according to claim 1 in which the lower end face of the blanking post (7) is provided with a cutter (14).

6. A blade sampler according to claim 5 in which the cutting blade (14) is integral with the punch post (7).

7. A blade sampler according to claim 5 wherein the cutting knife (14) and the punching column (7) are arranged separately, and the upper end of the cutting knife (14) is in threaded connection with the lower end of the punching column (7).

8. A blade sampler according to any of claims 1-7 in which the blade receiving opening (10) divides the support plate (6) into an upper plate (61) and a lower plate (62), the sampling tube (11) being arranged on the lower plate (62).

9. The blade sampler according to claim 8, wherein the lower support plate (62) is detachably connected with the upper support plate (61), a connecting plate (15) is arranged on the lower end face of the upper support plate (61), an insertion protrusion (16) is arranged on the front side of the connecting plate (15), an insertion groove (17) is correspondingly arranged on the side wall of the lower support plate (62), and the lower support plate (62) is connected with the upper support plate (61) through the insertion protrusion (16) and the insertion groove (17) in a matching manner.