CN215236606U

CN215236606U - Auxiliary device for nucleic acid extraction instrument

Info

Publication number: CN215236606U
Application number: CN202121373503.5U
Authority: CN
Inventors: 董志宇; 王百灵; 李斌
Original assignee: Xi'an Mammoth Biotechnology Co ltd
Current assignee: Xi'an Mammoth Biotechnology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-21
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a nucleic acid draws auxiliary device for appearance, including cassette, standing groove, extension board, drain pipe, fixing device and washing device, the standing groove evenly runs through the setting of cassette roof, the junction of two inside walls of cassette is located to the extension board, the drain pipe runs through the setting of cassette lateral wall bottom, fixing device evenly locates on the cassette roof, fixing device and standing groove one-to-one set up, washing device locates in the cassette. The utility model belongs to the technical field of nucleic acid draws the assistance-technical field, specifically indicate one kind can be with fixed and wash the test tube inner wall of multiunit test tube, wash away the cell residue in the test tube, it is convenient to wash, and the pipe wall washs the auxiliary device for the nucleic acid extraction appearance at no dead angle.

Description

Auxiliary device for nucleic acid extraction instrument

Technical Field

The utility model belongs to the technical field of nucleic acid extraction is supplementary, specifically indicate a nucleic acid is auxiliary device for extraction appearance.

Background

The nucleic acid extractor is a high-tech product for extracting nucleic acid, and has the advantages of high automation degree, high extraction speed, stable result and simple and convenient operation, and the nucleic acid extractor is divided into two types: one type is large-scale automated, commonly referred to as automated liquid workstations; the other kind is small-size automatic nucleic acid extraction appearance, utilize the automatic purification process that draws of completion of the supporting reagent of encapsulation, small-size automatic instrument, because instrument equipment and running cost are low, convenient operation obtains more and more application, but wide application in fields such as conventional scientific research, genomics, disease control system, food safety, legal medical expert, current nucleic acid extraction appearance is equipped with special extraction dish, it can hold dozens of groups extraction reagent pipes simultaneously to extract the dish, make extraction efficiency very high, but the nucleic acid extraction back that finishes, the cleaning work of reagent pipe is not convenient, the cell material of adhesion at the reagent pipe wall is very difficult to wash, have caused very big puzzlement for medical personnel. Therefore the utility model provides a can wash the inner wall of the test tube with fixed and the test tube of multiunit test tube, wash away the cell residue in the test tube, it is convenient to wash, and the pipe wall washs the auxiliary device for the nucleic acid extraction appearance at no dead angle.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a can be fixed the multiunit test tube and wash the test tube inner wall, wash away the cell residue in the test tube, it is convenient to wash, and the pipe wall washs auxiliary device for the nucleic acid extraction appearance at no dead angle.

In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: an auxiliary device for a nucleic acid extraction instrument comprises a clamping seat, a placing groove, a supporting plate, a water discharging pipe, a fixing device and a washing device, wherein the placing groove is uniformly arranged to penetrate through the top wall of the clamping seat and can correspondingly place test tubes; the washing device comprises a water inlet pipe, a branch pipe, a rotating motor and brush bristles, one end of the water inlet pipe is arranged on the inner side wall of the clamping seat, the other end of the water inlet pipe penetrates through the side wall of the clamping seat, the branch pipe uniformly rotates to penetrate through the water inlet pipe, the part of the branch pipe penetrating through the water inlet pipe is communicated with the water inlet pipe, the branch pipe is arranged corresponding to the placing groove one by one, the rotating motors are uniformly arranged on the support plate, the output ends of the rotating motors are connected to the bottom ends of the branch pipes, the bristles uniformly penetrate through the side wall of the branch pipe, the water inlet pipe is externally connected with a water source, water is dispersedly conveyed through the branch pipe after passing through the water inlet pipe, and after the water flows out from a gap between the bristles and the side wall of the branch pipe, meanwhile, the rotary motor drives the branch pipe to rotate, the branch pipe drives the brush bristles to rotationally wash the inner wall of the test tube, cell residues in the test tube are washed away, the cleaning is convenient, and the tube wall is free of dead corners.

Further, fixing device includes pillar, torsional spring, connecting rod and half-circular arc clamp, the pillar is located on the cassette roof, the pillar uses the vertical central line of standing groove to set up two sets ofly as the symmetry axis, torsional spring connection is in the pillar, the connecting rod is connected in the torsional spring and is kept away from the one end of pillar, the one end that the torsional spring was kept away from to the connecting rod is located to the half-circular arc clamp, breaks the half-circular arc clamp off with the fingers and thumb to insert the bleeder with the test tube and put simultaneously in the standing groove, unclamping the hand, both sides half-circular arc clamp is fixed the test tube chucking through the pulling force of torsional spring, and the brush hair on the follow-up bleeder of being convenient for rotates the inside wall of test tube and scrubs.

Furthermore, a sealing ring is arranged at the penetrating position of the branch pipe and the water inlet pipe, so that the water leakage phenomenon is prevented from occurring in the rotating process of the branch pipe.

Further, half-circular arc clamp inner wall is equipped with the bed course, the bed course is made for rubber materials, increases frictional force on the one hand, and on the other hand has the effect of protection to the test tube of pressing from both sides fastening.

Furthermore, a control valve is arranged on the drain pipe, so that the drain pipe can be conveniently controlled to be opened and closed.

The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides a pair of auxiliary device for nucleic acid extraction appearance passes through fixing device's setting, break off the half-circular arc clamp off with the fingers and thumb, and insert the test tube bleeder and put simultaneously in the standing groove, loosen the hand, both sides half-circular arc clamp passes through the pulling force of torsional spring and fixes the test tube chucking, the brush hair on the follow-up bleeder of being convenient for rotates the test tube inner wall and scrubs, setting through brushing device, the external water source of inlet tube, water is carrying through the bleeder dispersion behind the inlet tube, water flows the back from the gap between brush hair and the lateral wall of bleeder, rotating electrical machines drives the bleeder simultaneously and rotates, the bleeder drives the brush hair and rotates the test tube inner wall, wash away the cell residue in the test tube, and it is convenient to wash, and the pipe wall does not have the dead angle.

Drawings

FIG. 1 is a schematic view of the overall structure of an auxiliary device for a nucleic acid extracting apparatus according to the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

The device comprises a base 1, a clamping base 2, a placing groove 3, a support plate 4, a water discharging pipe 5, a fixing device 6, a washing device 7, a water inlet pipe 8, a branch pipe 9, a rotating motor 10, bristles 11, a support column 12, a torsion spring 13, a connecting rod 14, a semi-arc-shaped hoop 15, a sealing ring 16, a cushion layer 17, a control valve 18 and a test tube.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present 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. The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, the utility model relates to an auxiliary device for a nucleic acid extraction instrument, which comprises a cassette 1, a placement groove 2, a support plate 3, a drain pipe 4, a fixing device 5 and a washing device 6, wherein the placement groove 2 is uniformly arranged through the top wall of the cassette 1, the support plate 3 is arranged at the joint of two inner side walls of the cassette 1, the drain pipe 4 is arranged through the bottom end of the side wall of the cassette 1, the fixing device 5 is uniformly arranged on the top wall of the cassette 1, the fixing device 5 and the placement groove 2 are arranged in a one-to-one correspondence manner, and the washing device 6 is arranged in the cassette 1; wash device 6 and include inlet tube 7, bleeder 8, rotating electrical machines 9 and brush hair 10, inlet tube 7 one end is located on 1 inside wall of cassette, the inlet tube 7 other end runs through 1 lateral wall of cassette setting, bleeder 8 evenly rotates and runs through the inlet tube 7 setting, bleeder 8 runs through the part of inlet tube 7 and is linked together with inlet tube 7, bleeder 8 sets up with 2 one-to-one of standing groove, rotating electrical machines 9 evenly locates on extension board 3, rotating electrical machines 9 output is connected in 8 bottoms of bleeder, brush hair 10 evenly runs through 8 lateral walls of bleeder and sets up.

Fixing device 5 includes pillar 11, torsional spring 12, connecting rod 13 and half-circular arc clamp 14, pillar 11 is located on 1 roof of cassette, pillar 11 uses the vertical central line of standing groove 2 to set up two sets ofly as the symmetry axis, torsional spring 12 connects in pillar 11, connecting rod 13 connects in torsional spring 12 and keeps away from the one end of pillar 11, half-circular arc clamp 14 locates connecting rod 13 and keeps away from the one end of torsional spring 12.

And a sealing ring 15 is arranged at the penetrating position of the branch pipe 8 and the water inlet pipe 7.

The inner wall of the semi-arc-shaped hoop 14 is provided with a cushion layer 16, and the cushion layer 16 is made of rubber materials.

The drain pipe 4 is provided with a control valve 17.

When the device is used specifically, the semi-circular-arc-shaped clamps 14 are broken off, the test tube 18 is inserted into the branch pipes 8 and is placed in the placing groove 2, when hands are loosened, the semi-circular-arc-shaped clamps 14 on two sides clamp the test tube 18 tightly through the tension of the torsion springs 12, the water inlet pipe 7 is externally connected with a water source, water is conveyed through the branch pipes 8 after passing through the water inlet pipe 7 in a dispersing mode, after the water flows out from gaps between the bristles 10 and the side walls of the branch pipes 8, the rotating motor 9 drives the branch pipes 8 to rotate, the branch pipes 8 drive the bristles 10 to rotate and wash the inner walls of the test tube 18, cell residues in the test tube 18 are washed away, after washing is finished, the control valve 17 is opened, waste water after washing is discharged through the drain pipe 4, the test tube 18 is required to be dried, the water inlet pipe 7 can be externally connected with a drying fan, hot air is uniformly spread on the inner walls of the washed test tube 18, and the test tube 18 is dried.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. An auxiliary device for a nucleic acid extraction instrument is characterized in that: the washing and brushing device comprises a clamping seat, a placing groove, a support plate, a drain pipe, a fixing device and a washing and brushing device, wherein the placing groove is uniformly arranged by penetrating through the top wall of the clamping seat; the brushing device comprises a water inlet pipe, a branch pipe, a rotating motor and bristles, one end of the water inlet pipe is arranged on the inner side wall of a clamping seat, the other end of the water inlet pipe penetrates through the side wall of the clamping seat, the branch pipe uniformly rotates to penetrate through the arrangement of the water inlet pipe, the part of the branch pipe penetrating through the water inlet pipe is communicated with the water inlet pipe, the branch pipe and a placing groove are arranged in a one-to-one correspondence mode, the rotating motor is uniformly arranged on a support plate, the output end of the rotating motor is connected to the bottom end of the branch pipe, and the bristles uniformly penetrate through the side wall of the branch pipe.

2. The auxiliary device for a nucleic acid isolation instrument according to claim 1, characterized in that: fixing device includes pillar, torsional spring, connecting rod and half-circular arc clamp, the pillar is located on the cassette roof, the pillar uses the vertical central line of standing groove to set up two sets ofly as the symmetry axis, torsional spring connection is in the pillar, the connecting rod is connected in the torsional spring and is kept away from the one end of pillar, the one end that the torsional spring was kept away from to the connecting rod is located to the half-circular arc clamp.

3. The nucleic acid extractor auxiliary device according to claim 2, wherein: and a sealing ring is arranged at the penetrating position of the branch pipe and the water inlet pipe.

4. The nucleic acid extractor auxiliary device according to claim 3, wherein: the inner wall of the semicircular arc-shaped hoop is provided with a cushion layer, and the cushion layer is made of rubber materials.

5. The nucleic acid extractor auxiliary device according to claim 4, wherein: and the drain pipe is provided with a control valve.