CN212800317U

CN212800317U - Nucleic acid extraction instrument for laboratory

Info

Publication number: CN212800317U
Application number: CN202021457748.1U
Authority: CN
Inventors: 官振群; 王毅峰
Original assignee: Kaishuo Bio Tech Xiamen Co ltd
Current assignee: Kaishuo Biotechnology Xiamen Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-03-26
Anticipated expiration: 2030-07-22

Abstract

The utility model provides a laboratory is with nucleic acid extraction instrument relates to nucleic acid extraction instrument field, including a ration section of thick bamboo and suction nozzle, a ration section of thick bamboo includes first barrel and second barrel, through connecting cylinder fixed connection between first barrel and the second barrel, the suction nozzle passes through connecting ring fixed mounting at the lower extreme of second barrel, and the lower extreme of connecting ring is provided with the mounting groove, and the upper end and the mounting groove clearance fit of suction nozzle are provided with two fixed screws along central symmetry on the lateral wall of connecting ring, but the suction nozzle is the structure of split. The utility model discloses the setting of well first barrel, second barrel and connecting cylinder realizes the quick dismantlement and the equipment of a ration section of thick bamboo, is convenient for wash with nucleic acid extraction appearance inner wall and lateral wall in the laboratory, through the setting of left suction nozzle and right suction nozzle for the suction nozzle can be divided into two and wash, makes the inner wall of suction nozzle all can wash, and whole utility model dismantles and installs equal quick convenience, can carry out rinse thoroughly to each position of nucleic acid extraction instrument, and the practicality is high.

Description

Nucleic acid extraction instrument for laboratory

Technical Field

The utility model relates to a nucleic acid extraction appearance field especially relates to a nucleic acid extraction instrument is used in laboratory.

Background

Biological macromolecular compounds, in which nucleic acids are polymerized from many nucleotides, are one of the most basic substances of life. Nucleic acid is widely present in all animal and plant cells and microorganisms, and nucleic acid in organisms is often combined with protein to form nucleoprotein. Different nucleic acids differ in their chemical composition, nucleotide arrangement order, and the like.

But its self is mostly a body structure for current laboratory is with nucleic acid extraction appearance, makes it wash unusual difficulty, also has the detachable structure, but connects and dismantle comparatively complicacy, and the connection position is inseparable, has the possibility of seepage, and simultaneously, there is the washing dead angle also in the suction nozzle of the lower extreme of nucleic acid extraction appearance for there is the residue in the inside of suction nozzle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nucleic acid extraction instrument is used in laboratory to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: a nucleic acid extraction instrument for laboratories comprises a quantification cylinder and a suction nozzle, wherein the quantification cylinder comprises a first cylinder body and a second cylinder body, the first cylinder body and the second cylinder body are fixedly connected through a connecting cylinder, inner thread interfaces are arranged on the inner side walls of the upper end and the lower end of the connecting cylinder, outer thread interfaces are arranged at the upper end and the lower end of the first cylinder body and the lower end of the second cylinder body respectively, the suction nozzle is fixedly arranged at the lower end of the second cylinder body through a connecting ring, a threaded opening is formed in the inner side wall of the connecting ring and in threaded fit with the outer thread interfaces at the lower end of the second cylinder body, a mounting groove is formed in the lower end of the connecting ring, the upper end of the suction nozzle is in clearance fit with the mounting groove, two fixing screws are symmetrically arranged on the outer side wall of the connecting ring along the center, the fixing screws penetrate through the inside of, the upper end of the piston body is vertically provided with a pull rod along the middle point, a limiting cover is installed at the opening of the first barrel, and the pull rod is connected with the inner side wall of the limiting cover in a sliding mode.

Preferably, the internal thread interface inside the connecting cylinder is in threaded fit with the external thread interfaces on the first cylinder body and the second cylinder body.

Preferably, the limiting cover is detachably connected with the opening of the first barrel.

Preferably, the suction nozzle includes left suction nozzle and right suction nozzle, and the vertical border position of left suction nozzle is provided with the splice groove, the vertical border position of right side suction nozzle is provided with the splice strip, and splice groove and splice strip mutually combine, and the surface of splice groove and the surface of splice strip all are equipped with the magnetic layer, the upper end of left side suction nozzle and right suction nozzle all is provided with the ARC fixed plate, ARC fixed plate be the rubber material and with the mounting groove combines closely.

Preferably, the left suction nozzle and the right suction nozzle are of a structure that the suction nozzle is divided into two parts along a vertical central axis, and the sizes of the suction nozzles are completely the same.

Preferably, the outer wall of the quantitative cylinder is marked with vertically arranged scales.

Preferably, the length of the pull rod is greater than the depth of the dosing cylinder.

Preferably, be provided with the sealing rubber ring on the inner wall of mounting groove, arc fixed plate and mounting groove inner wall in close connection, and the condition of seepage can not appear.

The utility model has the advantages that:

in the utility model, the arrangement of the first barrel, the second barrel and the connecting barrel realizes the quick disassembly and assembly of the quantitative barrel, is convenient for cleaning the inner wall and the outer side wall of the nucleic acid extraction instrument for a laboratory, the installation is quick through the arrangement of the external thread interface and the internal thread interface, the connecting position is compact, the leakage in the experiment is avoided, the arc-shaped fixing plate at the upper end of the suction nozzle is tightly connected with the connecting ring through the arrangement of the mounting groove, the arc-shaped fixing plate is tightly fixed in the mounting groove through the matching of the fixing screw, the suction nozzle can be cleaned by dividing the suction nozzle into two parts through the arrangement of the left suction nozzle and the right suction nozzle, the cleaning dead angle of the suction nozzle is prevented, the whole utility model has simple structure, the disassembly and the installation are quick and convenient, and the thorough cleaning can be carried out on each part of the nucleic acid extraction instrument, the practicability is high.

Drawings

FIG. 1 is a schematic diagram of a nucleic acid extraction apparatus for laboratory use according to the present invention;

FIG. 2 is a schematic view of the quantitative cylinder of the present invention;

FIG. 3 is a schematic perspective view of the connecting cylinder of the present invention;

fig. 4 is a schematic view of the structure of the connection ring of the present invention;

FIG. 5 is a schematic view of the three-dimensional structure of the left suction nozzle of the present invention;

FIG. 6 is a schematic view of the right suction nozzle of the present invention;

reference numerals: 1. a dosing cylinder; 101. a first cylinder; 102. a second cylinder; 2. a suction nozzle; 201. a left suction nozzle; 202. a right suction nozzle; 203. splicing grooves; 204. splicing the strips; 205. an arc-shaped fixing plate; 3. a connecting cylinder; 4. an internal threaded interface; 5. an external thread interface; 6. a connecting ring; 7. a threaded opening; 8. mounting grooves; 9. fixing screws; 10. a piston body; 11. a pull rod; 12. and a limiting cover.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in FIGS. 1 to 6, a nucleic acid extraction instrument for a laboratory comprises a quantification cylinder 1 and a suction nozzle 2, wherein the quantification cylinder 1 comprises a first cylinder 101 and a second cylinder 102, the first cylinder 101 and the second cylinder 102 are fixedly connected through a connecting cylinder 3, inner side walls of upper and lower ends of the connecting cylinder 3 are respectively provided with an inner threaded interface 4, lower ends of the first cylinder 101 and the second cylinder 102 are respectively provided with an outer threaded interface 5, the suction nozzle 2 is fixedly arranged at a lower end of the second cylinder 102 through a connecting ring 6, an inner side wall of the connecting ring 6 is provided with a threaded port 7, the threaded port 7 is in threaded fit with the outer threaded interface 5 at the lower end of the second cylinder 102, a mounting groove 8 is arranged at a lower end of the connecting ring 6, an upper end of the suction nozzle 2 is in clearance fit with the mounting groove 8, two fixing screws 9 are symmetrically arranged on an outer side wall of the connecting ring 6 along, the suction nozzle 2 is of a detachable structure, a piston body 10 is movably sleeved on the inner wall of the quantifying cylinder 1, a pull rod 11 is vertically arranged at the upper end of the piston body 10 along the middle point, a limiting cover 12 is arranged at an opening of the first cylinder 101, and the pull rod 11 is connected with the inner side wall of the limiting cover 12 in a sliding mode.

The suction nozzle 2 comprises a left suction nozzle 201 and a right suction nozzle 202, a splicing groove 203 is formed in the vertical edge position of the left suction nozzle 201, a splicing strip 204 is arranged in the vertical edge position of the right suction nozzle 202, the splicing groove 203 and the splicing strip 204 are combined with each other, magnetic layers are arranged on the surface of the splicing groove 203 and the surface of the splicing strip 204, an arc-shaped fixing plate 205 is arranged at the upper ends of the left suction nozzle 201 and the right suction nozzle 202, and the arc-shaped fixing plate 205 is made of rubber and is tightly combined with the mounting groove 8.

The working principle is as follows: when whole nucleic acid extraction instrument split is washd, take off spacing lid 12 from the opening part of first barrel 101 earlier, then take out pull rod 11 and piston body 10 from first barrel 101 is inside, then take off first barrel 101 from the upper end of connecting cylinder 3, separate connecting cylinder 3 and the upper end of second barrel 102 again, finally separate the screw thread mouth 7 of port on external screw thread interface 5 and the suction nozzle 2 of second barrel 102 lower extreme, alright wash first barrel 101 and second barrel 102 respectively like this for the lateral wall and the inside wall of first barrel 101 and second barrel 102 all wash simply.

In the process of cleaning the suction nozzle 2, the fixing screw 9 is screwed off, so that the arc-shaped fixing plate 205 at the upper end of the left suction nozzle 201 and the upper end of the right suction nozzle 202 can be taken out from the mounting groove 8, and then the left suction nozzle 201 and the right suction nozzle 202 are broken off by hand, so that the splicing groove 203 on the left suction nozzle 201 is separated from the splicing strip 204 on the right suction nozzle 202, and the whole suction nozzle 2 is divided into two parts, so that the inner wall of the suction nozzle 2 can be easily cleaned, and the problem of cleaning dead angles due to the small nozzle is solved.

After the cleaning is finished, the whole nucleic acid extraction instrument is simply spliced, the lower end of the first cylinder 101 is assembled with the connecting cylinder 3 in a threaded manner, the upper end of the second cylinder 102 is assembled with the connecting cylinder 3 in a threaded manner, the lower end of the second cylinder 102 is assembled with the threaded port 7 of the connecting ring 6 in a threaded manner, the left suction nozzle 201 and the right suction nozzle 202 are spliced together in an aligned manner, the arc-shaped fixing plate 205 at the upper ends of the left suction nozzle 201 and the right suction nozzle 202 is installed in the installation groove 8, the arc-shaped fixing plate 205 is tightly fixed through the fixing screw 9, the pull rod 11 and the piston body 10 are installed inside the first cylinder 101, the limiting cover 12 is covered, and the assembly is completed.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a laboratory is with nucleic acid extraction instrument, includes a quantification section of thick bamboo (1) and suction nozzle (2), its characterized in that:

the quantitative cylinder (1) comprises a first cylinder body (101) and a second cylinder body (102), the first cylinder body (101) and the second cylinder body (102) are fixedly connected through a connecting cylinder (3), inner side walls of the upper end and the lower end of the connecting cylinder (3) are respectively provided with an inner thread interface (4), outer thread interfaces (5) are respectively arranged at the lower end of the first cylinder body (101) and the upper end and the lower end of the second cylinder body (102), a suction nozzle (2) is fixedly arranged at the lower end of the second cylinder body (102) through a connecting ring (6), a thread opening (7) is arranged on the inner side wall of the connecting ring (6), the thread opening (7) is in threaded fit with the outer thread interface (5) at the lower end of the second cylinder body (102), a mounting groove (8) is arranged at the lower end of the connecting ring (6), the upper end of the suction nozzle (2) is in clearance fit with the mounting groove (8), two fixing screws (9) are symmetrically arranged, and set screw (9) run through the inside to mounting groove (8), but suction nozzle (2) are the structure of split, the inner wall movable sleeve of a ration section of thick bamboo (1) is equipped with piston body (10), and the upper end of piston body (10) is along the vertical pull rod (11) that is provided with of mid point, spacing lid (12) are installed to the opening part of first barrel (101), pull rod (11) and spacing lid (12) inside wall sliding connection.

2. The laboratory nucleic acid extraction apparatus of claim 1, wherein: and an internal thread interface (4) inside the connecting cylinder (3) is in threaded fit with external thread interfaces (5) on the first cylinder body (101) and the second cylinder body (102).

3. The laboratory nucleic acid extraction apparatus of claim 1, wherein: the limiting cover (12) is detachably connected with the opening of the first barrel (101).

4. The laboratory nucleic acid extraction apparatus of claim 1, wherein: suction nozzle (2) include left suction nozzle (201) and right suction nozzle (202), and the vertical border position of left suction nozzle (201) is provided with splice groove (203), the vertical border position of right side suction nozzle (202) is provided with concatenation strip (204), and splice groove (203) and concatenation strip (204) inter combination, and the surface of splice groove (203) and the surface of concatenation strip (204) all are equipped with the magnetic layer, the upper end of left side suction nozzle (201) and right suction nozzle (202) all is provided with ARC fixed plate (205), ARC fixed plate (205) for the rubber material and with mounting groove (8) combine closely.

5. The laboratory nucleic acid extraction apparatus of claim 4, wherein: the left suction nozzle (201) and the right suction nozzle (202) are of a structure that the suction nozzle (2) is divided into two parts along a vertical central axis and have the same size.

6. The laboratory nucleic acid extraction apparatus of claim 1, wherein: the outer wall of the quantitative cylinder (1) is marked with vertically arranged scales.

7. The laboratory nucleic acid extraction apparatus of claim 1, wherein: the length of the pull rod (11) is larger than the depth of the quantitative cylinder (1).

8. The laboratory nucleic acid extraction apparatus of claim 1, wherein: and a sealing rubber ring is arranged on the inner wall of the mounting groove (8).