CN215050225U - Nucleic acid extraction device for nucleic acid extraction instrument - Google Patents

Nucleic acid extraction device for nucleic acid extraction instrument Download PDF

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Publication number
CN215050225U
CN215050225U CN202121118270.4U CN202121118270U CN215050225U CN 215050225 U CN215050225 U CN 215050225U CN 202121118270 U CN202121118270 U CN 202121118270U CN 215050225 U CN215050225 U CN 215050225U
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China
Prior art keywords
nucleic acid
toughened glass
transparent toughened
silicon rubber
annular
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CN202121118270.4U
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Chinese (zh)
Inventor
黄智�
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Shenzhen Jiezhun Precision Machinery Co ltd
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Shenzhen Jiezhun Precision Machinery Co ltd
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Abstract

The utility model provides a nucleic acid extraction device for a nucleic acid extraction instrument, which comprises a transparent toughened glass tube, a pull rod, a connecting lantern ring, butterfly-shaped fixing screws, a silicon rubber guide sleeve, a silicon rubber piston sleeve and a suction piston block, wherein the lower side of the annular side surface of the transparent toughened glass tube is sleeved with the silicon rubber guide sleeve, the inner lower side of the transparent toughened glass tube is stuffed with the suction piston block, the annular side surface of the suction piston block is bonded with the silicon rubber piston sleeve, the pull rod is arranged in the middle of the upper end surface of the suction piston block, the upper side of the annular side surface of the transparent toughened glass tube is sleeved with the connecting lantern ring, the left side and the right side inside the connecting lantern ring are symmetrically meshed with the butterfly-shaped fixing screws, but original extraction element has been solved in this design and has not possessed split ability, leads to the inconvenient abluent problem in later stage, the utility model discloses rational in infrastructure, the convenience is pumped nucleic acid to the split of being convenient for washs, and the practicality is strong.

Description

Nucleic acid extraction device for nucleic acid extraction instrument
Technical Field
The utility model relates to a nucleic acid extraction device for nucleic acid extraction appearance belongs to nucleic acid extraction technical field.
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. When the nucleic acid extractor is used for nucleic acid extraction, the extraction device is needed to be used for sucking a proper amount of nucleic acid, then the nucleic acid extracted by suction is put into the nucleic acid extractor for extraction, but most of the traditional extraction devices are of a dropper structure, the mode is simple in structure, the later-stage is inconvenient to disassemble and clean, the practicability is improved, and the problem that the nucleic acid extractor is used for solving the nucleic acid extraction device is urgently needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a nucleic acid extraction device for nucleic acid extraction appearance to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, the convenience is pumped nucleic acid, and the split of being convenient for washs, and the practicality is strong.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a nucleic acid draws nucleic acid extraction element for appearance, includes transparent toughened glass pipe, pull pole, the connecting sleeve ring, butterfly fixed screw, circular holding piece, pull ring, silicon rubber water conservancy diversion cover, silicon rubber piston cover and suction piston piece, transparent toughened glass pipe ring side downside cover is equipped with the silicon rubber water conservancy diversion cover, the inside downside of transparent toughened glass pipe is filled in the suction piston piece, suction piston piece ring side bonds and has the silicon rubber piston cover, the pull pole is installed to suction piston piece up end intermediate position, the welding of pull pole up end has the pull ring, transparent toughened glass pipe ring side upside cover is equipped with the connecting sleeve ring, the inside left and right sides symmetrical meshing of connecting sleeve ring has the butterfly fixed screw, the connecting sleeve ring up end is provided with circular holding piece.
Furthermore, millimeter scales are arranged on the front side of the annular side face of the transparent toughened glass tube, and a sealing silica gel ring is bonded on the upper end face of the transparent toughened glass tube.
Furthermore, the connection lantern ring is connected with the circular holding piece in a welding mode, internal thread through holes are symmetrically formed in the left side and the right side of the inside of the connection lantern ring and are meshed with the butterfly-shaped fixing screws, the butterfly-shaped fixing screws are meshed in two groups in the same specification, and silica gel pieces are bonded on the left end face of each butterfly-shaped fixing screw.
Furthermore, the lower side of the annular side surface of the transparent toughened glass tube is embedded with first magnet pieces, two groups of the first magnet pieces are embedded in the same specification, the left side and the right side of the annular side surface in the silicon rubber flow guide sleeve are symmetrically bonded with second magnet pieces, and the second magnet pieces are adsorbed to the first magnet pieces.
Furthermore, the annular side face of the silicon rubber piston sleeve is matched with the inner annular side face of the transparent toughened glass tube, and a medical stainless steel inner hexagonal fixing screw is meshed in the middle of the inner portion of the suction piston block.
Furthermore, the pull rod, the connecting lantern ring, the butterfly-shaped fixing screw, the circular holding piece and the pull ring are all made of medical stainless steel.
The utility model has the advantages that: the utility model relates to a nucleic acid extraction device for nucleic acid extraction instrument, because the utility model adds a pull rod, a connecting sleeve ring, butterfly-shaped fixed screws, a circular holding piece, a pull ring, a silicon rubber flow guide sleeve, a silicon rubber piston sleeve and a suction piston block, a worker holds a transparent toughened glass tube with one hand first, then immerses the silicon rubber flow guide sleeve in nucleic acid liquid, and pulls the pull ring with the other hand, so that the pull rod drives the suction piston block to move upwards, at the moment, the inner lower side of the transparent toughened glass tube can generate negative pressure, the nucleic acid is sucked into the transparent toughened glass tube, when the transparent toughened glass tube needs to be cleaned, the worker unscrews two groups of the butterfly-shaped fixed screws with the hand respectively first, at the moment, the connecting sleeve ring can be disassembled, then holds the silicon rubber flow guide sleeve with the hand and pulls the silicon rubber flow guide sleeve, the silicon rubber flow guide sleeve can be disassembled, the medical stainless steel inner hexagon fixing screw is loosened by an external inner hexagon wrench, so that the suction piston block can be detached.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a front view of a nucleic acid isolation apparatus for a nucleic acid isolation apparatus according to the present invention;
FIG. 2 is a front sectional view of a nucleic acid isolation apparatus for a nucleic acid isolation apparatus according to the present invention;
FIG. 3 is an enlarged view of A in FIG. 2;
in the figure: the device comprises a transparent toughened glass tube 1, a first magnet piece 11, a drawing rod 2, a connecting lantern ring 3, a butterfly-shaped fixing screw 4, a circular holding piece 5, a pull ring 6, a silicon rubber guide sleeve 7, a second magnet piece 71, a silicon rubber piston sleeve 8, a suction piston block 9 and a medical stainless steel inner hexagon fixing screw 91.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: a nucleic acid extraction device for a nucleic acid extraction instrument comprises a transparent toughened glass tube 1, a pull rod 2, a connecting lantern ring 3, butterfly-shaped fixing screws 4, a circular holding piece 5, a pull ring 6, a silicon rubber flow guide sleeve 7, a silicon rubber piston sleeve 8 and a suction piston block 9, wherein the silicon rubber flow guide sleeve 7 is sleeved on the lower side of the annular side surface of the transparent toughened glass tube 1, the suction piston block 9 is stuffed in the lower side of the inner part of the transparent toughened glass tube 1, the silicon rubber piston sleeve 8 is stuck on the annular side surface of the suction piston block 9, the pull rod 2 is installed in the middle of the upper end surface of the suction piston block 9, the pull ring 6 is welded on the upper end surface of the pull rod 2, the connecting lantern ring 3 is sleeved on the upper side surface of the annular side surface of the transparent toughened glass tube 1, the butterfly-shaped fixing screws 4 are symmetrically meshed on the left side and the right side of the inner part of the connecting lantern ring 3, the circular holding piece 5 is arranged on the upper end surface of the connecting lantern ring 3, and the design solves the problem that the original extraction device does not have the detachable capability, resulting in the problem of inconvenient cleaning in the later period.
The millimeter scale sets up in 1 annular side front side of transparent toughened glass pipe, and the sealing silica gel circle bonds at 1 up end of transparent toughened glass pipe, and the millimeter scale makes things convenient for the staff to observe transparent toughened glass pipe 1 and inhales the nucleic acid volume, and the sealing silica gel circle makes 1 up end seal of transparent toughened glass pipe better.
The connecting lantern ring 3 is connected with the circular holding piece 5 by welding, the internal thread through holes are symmetrically arranged at the left side and the right side inside the connecting lantern ring 3, the internal thread through holes are meshed with the butterfly-shaped fixing screws 4, two groups of the butterfly-shaped fixing screws 4 are meshed in an equal specification way, the silicon sheets are adhered to the left end surface of the butterfly-shaped fixing screws 4, the internal thread through holes facilitate the butterfly-shaped fixing screws 4 to position the connecting lantern ring 3, the silicon sheets avoid hard contact between the butterfly-shaped fixing screws 4 and the transparent toughened glass tube 1, the two groups of first magnet sheets 11 in equal specification are both embedded at the lower side of the annular side surface of the transparent toughened glass tube 1, the second magnet sheets 71 are symmetrically adhered at the left side and the right side of the inner annular side surface of the silicon rubber flow guide sleeve 7, the second magnet sheets 71 are adsorbed with the first magnet sheets 11, the first magnet sheets 11 and the second magnet sheets 71 facilitate the silicon rubber flow guide sleeve 7 to be fixed at the lower side of the annular side surface of the transparent toughened glass tube 1, the silicon rubber flow guide sleeve 7 is prevented from falling off easily.
8 annular side of silicon rubber piston bush and the 1 interior annular side phase-match of transparent toughened glass pipe, medical stainless steel allen key set screw 91 meshes in the inside intermediate position of suction piston piece 9, and medical stainless steel allen key set screw 91 conveniently connects fixedly to suction piston piece 9 and pull pole 2.
The drawing rod 2, the connecting lantern ring 3, the butterfly-shaped fixing screw 4, the circular holding piece 5 and the pull ring 6 are all made of medical stainless steel, and the design prolongs the service life of the drawing rod 2, the connecting lantern ring 3, the butterfly-shaped fixing screw 4, the circular holding piece 5 and the pull ring 6.
As an embodiment of the present invention: when nucleic acid needs to be pumped and extracted, a worker firstly holds the transparent toughened glass tube 1 with one hand, then the silicon rubber flow guide sleeve 7 is immersed in the nucleic acid liquid, and the pull ring 6 is pulled by the other hand, so that the pull rod 2 drives the suction piston block 9 to move upwards, further, the silicon rubber piston sleeve 8 moves upwards synchronously, negative pressure is generated at the lower side inside the transparent toughened glass tube 1 at the moment, nucleic acid is sucked into the transparent toughened glass tube 1, in the process, the operator can know the amount of the nucleic acid sucked into the transparent toughened glass tube 1 by observing the millimeter scale, when the amount of nucleic acid sucked into the transparent toughened glass tube 1 reaches the required amount, the pulling of the pull ring 6 is stopped, then the transparent toughened glass tube 1 is transferred to an external nucleic acid extraction instrument, and the pull ring 6 is pushed and pressed by hand, so that the pull rod 2 drives the suction piston block 9 to descend, and the nucleic acid in the transparent toughened glass tube 1 can be extruded to an external nucleic acid extractor for extraction.
When needs wash transparent toughened glass pipe 1, the staff unscrews two sets of butterfly-shaped fixed screws 4 respectively with the hand earlier, alright dismantle the connection lantern ring 3 this moment, then drag the pull pole 2 and draw, take suction piston block 9 out from transparent toughened glass pipe 1, then hold between the fingers silicon rubber uide bushing 7 with the hand and drag it and draw, alright dismantle silicon rubber uide bushing 7, and loosen medical stainless steel hexagon socket head cap fixed screw 91 with the help of external hexagon socket head wrench, alright dismantle suction piston block 9, can be to transparent toughened glass pipe 1 this moment, pull pole 2, the connection lantern ring 3, silicon rubber uide bushing 7 and suction piston block 9 separately wash the disinfection.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a nucleic acid extraction device for nucleic acid extraction appearance, includes transparent toughened glass pipe, pull pole, connects lantern ring, butterfly fixed screw, circular holding piece, pull ring, silicon rubber water conservancy diversion cover, silicon rubber piston cover and suction piston piece, its characterized in that: transparent toughened glass pipe annular side downside cover is equipped with silicon rubber water conservancy diversion cover, the inside downside of transparent toughened glass pipe is filled in the suction piston block, suction piston block annular side bonds there is the silicon rubber piston cover, suction piston block up end intermediate position installs the pull pole, the welding of pull pole up end has the pull ring, transparent toughened glass pipe annular side upside cover is equipped with the connection lantern ring, the inside left and right sides symmetrical meshing of connection lantern ring has butterfly fixed screw, the connection lantern ring up end is provided with circular holding piece.
2. The nucleic acid extraction device for a nucleic acid extractor according to claim 1, wherein: the front side of the annular side face of the transparent toughened glass tube is provided with millimeter scales, and the upper end face of the transparent toughened glass tube is bonded with a sealing silica gel ring.
3. The nucleic acid extraction device for a nucleic acid extractor according to claim 1, wherein: the connecting sleeve ring is connected with the circular holding pieces in a welding mode, internal thread through holes are symmetrically formed in the left side and the right side of the inner portion of the connecting sleeve ring and are meshed with butterfly-shaped fixing screws, the butterfly-shaped fixing screws are meshed with the internal thread through holes in two groups in the same specification, and silica gel pieces are bonded on the left end faces of the butterfly-shaped fixing screws.
4. The nucleic acid extraction device for a nucleic acid extractor according to claim 1, wherein: the lower side of the annular side face of the transparent toughened glass tube is embedded with first magnet pieces, two groups of the first magnet pieces are embedded in the same specification, the left side and the right side of the annular side face in the silicon rubber guide sleeve are symmetrically bonded with second magnet pieces, and the second magnet pieces are adsorbed to the first magnet pieces.
5. The nucleic acid extraction device for a nucleic acid extractor according to claim 1, wherein: the annular side face of the silicon rubber piston sleeve is matched with the annular side face in the transparent toughened glass tube, and a medical stainless steel inner hexagonal fixing screw is meshed in the middle of the interior of the suction piston block.
6. The nucleic acid extraction device for a nucleic acid extractor according to claim 1, wherein: the drawing rod, the connecting lantern ring, the butterfly-shaped fixing screw, the circular holding piece and the pull ring are all made of medical stainless steel.
CN202121118270.4U 2021-05-24 2021-05-24 Nucleic acid extraction device for nucleic acid extraction instrument Active CN215050225U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121118270.4U CN215050225U (en) 2021-05-24 2021-05-24 Nucleic acid extraction device for nucleic acid extraction instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121118270.4U CN215050225U (en) 2021-05-24 2021-05-24 Nucleic acid extraction device for nucleic acid extraction instrument

Publications (1)

Publication Number Publication Date
CN215050225U true CN215050225U (en) 2021-12-07

Family

ID=79213975

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121118270.4U Active CN215050225U (en) 2021-05-24 2021-05-24 Nucleic acid extraction device for nucleic acid extraction instrument

Country Status (1)

Country Link
CN (1) CN215050225U (en)

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