CN216236947U

CN216236947U - Nucleic acid extraction equipment

Info

Publication number: CN216236947U
Application number: CN202122195273.4U
Authority: CN
Inventors: 张文静
Original assignee: Individual
Current assignee: Zhejiang Hanwei Technology Co ltd
Priority date: 2021-09-11
Filing date: 2021-09-11
Publication date: 2022-04-08
Anticipated expiration: 2031-09-11

Abstract

The utility model relates to the technical field of nucleic acid equipment, in particular to nucleic acid extraction equipment which comprises an extraction frame, cup sleeves and an extraction plate, wherein the cup sleeves are divided into a plurality of groups, the two groups of cup sleeves are respectively fixed on the left side and the right side of the upper end of the extraction frame, the extraction plate is arranged on the left side of the upper end of the extraction frame, the upper ends of the peripheries of the inner walls of the cup sleeves are respectively provided with a limiting block, the lower end of the extraction plate is fixedly provided with a plurality of fixing rods which are distributed front and back, the lower end of each fixing rod is connected with an electromagnetic rod, the lower end of the periphery of the electromagnetic rod is sleeved with a stainless steel sleeve, and the stainless steel sleeves and the cup sleeves at the left end are in one-to-one correspondence; the reagent cup is placed in each group of cup sleeves, the limiting blocks are combined to enable the reagent cup to be clamped and limited conveniently and quickly in the cup sleeves, the reagent cup which is arranged at the left end of the stainless steel sleeve and is aligned downwards is enabled to be convenient to use quickly, operation trouble is reduced, the reagent cup is prevented from being toppled over, stability of the reagent cup placed in the cup sleeves is guaranteed, and misoperation is reduced.

Description

Nucleic acid extraction equipment

Technical Field

The utility model relates to the technical field of nucleic acid equipment, in particular to nucleic acid extraction equipment.

Background

Along with the continuous diffusion of the new corona epidemic situation, the extraction and detection of the nucleic acid raw material are particularly important, when the nucleic acid raw material is extracted, the stainless steel sleeve is usually adsorbed by an electromagnetic rod, then the nucleic acid raw material in the reagent cup is adsorbed by magnetic beads carried by the stainless steel sleeve, and then the stainless steel sleeve is put into the next reagent cup for the next extraction;

but present nucleic acid extraction equipment, it carries out the extraction of nucleic acid raw materials to be difficult to make the quick alignment reagent cup of stainless steel sleeve, it is convenient inadequately to lead to the operation, and the reagent cup is difficult to put steadily, the reagent cup easily produces and turns on one's side, misoperation easily appears, and when the electromagnetic rod cuts off the power supply suddenly, the stainless steel sleeve easily produces and drops, the stainless steel sleeve that leads to adsorbing the nucleic acid raw materials drops subaerial, thereby lead to the sample damage of nucleic acid raw materials, and a plurality of stainless steel sleeves can be usually in batch removal to next group of reagent cup, but a plurality of stainless steel sleeves are difficult to quick put into to next group of reagent cup, thereby can increase troublesome poeration.

SUMMERY OF THE UTILITY MODEL

The utility model provides nucleic acid extraction equipment, which aims to solve the problems that a stainless steel sleeve is difficult to align to a reagent cup quickly for extracting nucleic acid raw materials, operation errors are easy to occur, the stainless steel sleeve is easy to fall off, and a plurality of stainless steel sleeves are difficult to put into the next group of reagent cups quickly in the background technology.

In order to solve the prior art problems, the utility model discloses nucleic acid extraction equipment which comprises an extraction frame, cup sleeves and an extraction plate, wherein the cup sleeves are divided into two groups, the two groups of cup sleeves are respectively fixed on the left side and the right side of the upper end of the extraction frame, and the extraction plate is arranged on the left side of the upper end of the extraction frame:

the utility model discloses a handle of a motor vehicle, including the glass holder, the glass holder inner wall is equipped with the stopper in the upper end all around, draw the dead lever that the board lower extreme was fixed with a plurality of front and back distributions, every the dead lever lower extreme homogeneous phase has connect electromagnetic rod, the peripheral pot head of electromagnetic rod is equipped with nonrust steel bushing, a plurality of down the stainless steel bushing and left end a plurality of the cup one-to-one corresponds from top to bottom, every the inside upper end of electromagnetic rod has all opened and has link up out the logical groove of two sides about the electromagnetic rod, every the equal sliding connection of the inside left and right ends of logical groove has the fixture block that the lower extreme is the slope form, nonrust steel bushing inner wall upper end just is located every the draw-in groove has all been opened to the outer end of fixture block, the peripheral lower extreme of dead lever all overlaps and is equipped with and is located the push pedal of nonrust steel bushing top.

Furthermore, the inner wall of the cup sleeve is located at each position, the outer end of the limiting block is provided with a contraction groove, and the outer end of the limiting block is connected to the adjacent contraction groove in a sliding mode.

Furthermore, a return spring is fixed between the outer end of each limiting block and the inner wall of the adjacent contraction groove, and the periphery of each limiting block is inclined.

Further, the middle part of the upper end of the extracting frame is fixed with a rotating motor through a bolt, the upper end of the output end of the rotating motor is connected with a rotating shaft, a top plate extending leftwards is welded at the upper end of the rotating shaft, and an electric telescopic shaft is fixed on the left side of the lower end of the top plate through a bolt.

Furthermore, the lower end of the electric telescopic shaft is fixed in the middle of the upper end of the extraction plate, a connecting plate is fixed between every two adjacent push plates, and a telescopic cylinder is fixed between the lower end of the extraction plate and the middle of the extraction plate and between the upper ends of the connecting plates.

Furthermore, a return spring is fixed between two clamping blocks in the same through groove, the outer ends of the clamping blocks extend out of the through groove, and the clamping blocks are clamped with the clamping grooves.

Compared with the prior art, the utility model has the following beneficial effects:

by arranging two groups of cup sleeves, reagent cups are placed in each group of cup sleeves, the combination of the limiting blocks is convenient for rapidly clamping and limiting the reagent cups in the cup sleeves, the rapid downward alignment of the stainless steel sleeves to the reagent cups at the left end is facilitated, the operation trouble is reduced, the reagent cups are clamped and limited by the limiting blocks, the reagent cups are prevented from falling over, the stability of the reagent cups after being placed in the cup sleeves is ensured, the misoperation is reduced, the clamping connection of the clamping blocks and the clamping grooves is combined, even if the electromagnetic rod is suddenly powered off, the stainless steel sleeves cannot be separated from the electromagnetic rod, the stainless steel sleeves are prevented from falling on the ground, the damage of samples of the nucleic acid raw materials due to the falling of the stainless steel sleeves is avoided, the stainless steel sleeves are used for extracting the nucleic acid raw materials in the left-end reagent cups, when the stainless steel sleeves are positioned at the upper ends of the reagent cups, the stainless steel sleeves are pushed downwards by the pushing plate at the same time, the rapid placing of the stainless steel sleeves into the next group of reagent cups to further extract the nucleic acid raw materials, the operation convenience is ensured.

Drawings

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

FIG. 2 is a schematic top view of the sleeve of the present invention;

FIG. 3 is a schematic diagram of the structure of the extracting plate according to the present invention;

FIG. 4 is an enlarged partial structural view of the utility model A;

FIG. 5 is a schematic overall side view of the present invention.

In FIGS. 1-5: the device comprises an extraction frame 1, a cup sleeve 2, a limiting block 3, a contraction groove 4, a return spring 5, an extraction plate 6, a fixing rod 7, a telescopic cylinder 8, a push plate 9, an electromagnetic rod 10, a stainless steel sleeve 11, a through groove 12, a return spring 13, a clamping groove 14, a clamping block 15, a rotating motor 16, a rotating shaft 17, a top plate 18, an electric telescopic shaft 19 and a connecting plate 20.

Detailed Description

Please refer to fig. 1 to 5:

a nucleic acid extraction apparatus comprising;

the cup holder comprises an extraction frame 1, a cup sleeve 2 and an extraction plate 6, wherein the cup sleeve 2 is provided with a plurality of cup sleeves 2 which are divided into two groups, the two groups of cup sleeves 2 are respectively fixed at the left side and the right side of the upper end of the extraction frame 1, the extraction plate 6 is arranged at the left side of the upper end of the extraction frame 1, the upper ends of the periphery of the inner wall of the cup sleeve 2 are respectively provided with a limiting block 3, the lower end of the extraction plate 6 is fixed with a plurality of fixing rods 7 which are distributed front and back, the lower end of each fixing rod 7 is connected with an electromagnetic rod 10, the lower end of the periphery of the electromagnetic rod 10 is sleeved with a stainless steel sleeve 11, the stainless steel sleeves 11 and the left end of the cup sleeves 2 are in up-and-down correspondence one by one, the outer end of each limiting block 3 on the inner wall of the cup sleeve 2 is provided with a contraction groove 4, the outer end of each limiting block 3 is slidably connected with the adjacent contraction groove 4, and a return spring 5 is fixed between the outer end of each limiting block 3 and the inner wall of the adjacent contraction groove 4, the periphery of the limiting block 3 is inclined;

specifically, at first down put into two sets of glass holders 2 with a plurality of reagent cups in, the reagent cup is then through stopper 3 inclined plane extrusion stopper 3 in 4 of shrink groove, stopper 3 is then extrusion return spring 5, after the reagent cup is put into glass holder 2, the resilience force that combines return spring 5 is convenient for drive 3 centre grippings of stopper fast around the periphery of reagent cup, thereby be convenient for quick messenger's stainless steel sleeve 11 aligns the reagent cup, do benefit to and reduce troublesome poeration, it is spacing to the centre gripping of reagent cup to combine stopper 3, prevent that the reagent cup from producing and topple over, the stationarity after the reagent cup is put in glass holder 2 has been guaranteed, misoperation has been reduced.

A through groove 12 penetrating through the left and right surfaces of each electromagnetic rod 10 is formed in the upper end of the inside of each electromagnetic rod 10, a clamping block 15 with an inclined upper end and an inclined lower end is connected to the left and right ends of the inside of each through groove 12 in a sliding manner, a clamping groove 14 is formed in the upper end of the inner wall of the stainless steel sleeve 11 and located at the outer end of each clamping block 15, a reset spring 13 is fixed between each two clamping blocks 15 in the same through groove 12, the outer end of each clamping block 15 extends out of the through groove 12, and each clamping block 15 is clamped with the clamping groove 14;

further, establish the periphery at electromagnetic rod 10 with stainless steel sleeve 11 up, and make electromagnetic rod 10 adsorb with stainless steel sleeve 11, stainless steel sleeve 11 then extrudes fixture block 15 toward leading to inslot 12 along fixture block 15's inclined plane, fixture block 15 can extrude reset spring 13 toward leading to inslot 12 internal contraction, when fixture block 15 removed the notch department to draw-in groove 14, the resilience force that combines reset spring 13 can drive fixture block 15 and insert to draw-in groove 14 in, even electromagnetic rod 10 produces the outage suddenly, stainless steel sleeve 11 also can not separate with electromagnetic rod 10, in order to avoid stainless steel sleeve 11 to fall subaerial, avoid stainless steel sleeve 11 to drop and lead to the sample damage of nucleic acid raw materials.

A rotating motor 16 is fixed in the middle of the upper end of the extraction frame 1 through a bolt, the upper end of the output end of the rotating motor 16 is connected with a rotating shaft 17, a top plate 18 extending leftwards is welded at the upper end of the rotating shaft 17, and an electric telescopic shaft 19 is fixed on the left side of the lower end of the top plate 18 through a bolt;

further, when the nucleic acid raw material in the left reagent cup needs to be extracted through the stainless steel sleeve 11, the electric telescopic shaft 19 is started to drive the extraction plate 6, the fixing rod 7, the electromagnetic rod 10 and the stainless steel sleeve 11 to move downwards, the stainless steel sleeve 11 is inserted into the left reagent cup, then the nucleic acid raw material in the left reagent cup is adsorbed by magnetic beads generated at the periphery of the stainless steel sleeve 11, and then the electric telescopic shaft 19 drives the extraction plate, the fixing rod 7, the electromagnetic rod 10 and the stainless steel sleeve 11 to move upwards, so that the nucleic acid raw material in the left reagent cup is extracted conveniently.

The lower ends of the periphery of the fixed rods 7 are respectively sleeved with a push plate 9 positioned above the stainless steel sleeve 11, the lower ends of the electric telescopic shafts 19 are fixed in the middle of the upper end of the extraction plate 6, a connecting plate 20 is fixed between every two adjacent push plates 9, and a telescopic cylinder 8 is fixed between the lower end of the extraction plate 6 and the upper end of the middle connecting plate 20;

furthermore, after the stainless steel sleeve 11 is moved out of the left reagent cup, the rotating motor 16 is started to drive the rotating shaft 17, the top plate 18, the electric telescopic shaft 19, the extraction plate 6, the fixing rod 7, the electromagnetic rod 10 and the stainless steel sleeve 11 to exchange left and right positions, when the stainless steel sleeve 11 is positioned at the upper end of the right reagent cup, the rotating motor 16 stops working, the electromagnetic rod 10 is powered off, the telescopic cylinder 8 is started again to drive the connecting plate 20 to push the push plate 9 downwards, the push plate 9 simultaneously pushes the stainless steel sleeves 11 downwards, so that the stainless steel sleeve 11 slides downwards along the periphery of the electromagnetic rod 10, the clamping block 15 is extruded into the through groove 12 when the stainless steel sleeve 11 slides downwards, when the clamping block 15 is separated from the clamping groove 14, the plurality of stainless steel sleeves 11 are simultaneously pushed downwards through the push plate 9, the plurality of stainless steel sleeves 11 are conveniently and quickly put into the next group of reagent cups to further extract the nucleic acid raw material, the operation convenience is ensured.

Claims

1. The utility model provides a nucleic acid draws equipment, includes draws frame (1), glass holder (2) and draws board (6), glass holder (2) are equipped with a plurality of, a plurality of glass holder (2) divide two sets ofly, and are two sets of glass holder (2) are fixed in respectively draw frame (1) upper end left and right sides, draw board (6) to locate draw frame (1) upper end left side, its characterized in that:

the upper ends of the peripheries of the inner walls of the cup sleeves (2) are respectively provided with a limiting block (3), the lower end of the extraction plate (6) is fixed with a plurality of fixing rods (7) which are distributed front and back, the lower end of each fixing rod (7) is connected with an electromagnetic rod (10), stainless steel sleeves (11) are sleeved at the lower end of the periphery of the electromagnetic rod (10), a plurality of stainless steel sleeves (11) are in up-and-down correspondence with a plurality of cup sleeves (2) at the left end, through grooves (12) penetrating through the left and right surfaces of the electromagnetic rod (10) are formed in the upper end of the interior of each electromagnetic rod (10), clamping blocks (15) with inclined upper and lower ends are slidably connected at the left and right ends of the interior of each through groove (12), the upper end of the inner wall of the stainless steel sleeve (11) and the outer end of each clamping block (15) are respectively provided with a clamping groove (14), the lower end of the periphery of the fixed rod (7) is sleeved with a push plate (9) positioned above the stainless steel sleeve (11).

2. The nucleic acid extraction apparatus according to claim 1, wherein: the inner wall of the cup sleeve (2) is located at each block, the outer end of the limiting block (3) is provided with a contraction groove (4), and the outer end of the limiting block (3) is connected to the adjacent contraction groove (4) in a sliding mode.

3. The nucleic acid extraction apparatus according to claim 2, wherein: every stopper (3) outer end and adjacent all be fixed with return spring (5) between shrink groove (4) inner wall, stopper (3) periphery all is the slope form all around.

4. The nucleic acid extraction apparatus according to claim 1, wherein: draw frame (1) upper end middle part to pass through bolt fastening to be had rotating electrical machines (16), the upper end of rotating electrical machines (16) output has met rotation axis (17) mutually, rotation axis (17) upper end welding has roof (18) that down extends to a left, roof (18) lower extreme left side passes through bolt fastening has electric telescopic shaft (19).

5. The nucleic acid extraction apparatus according to claim 4, wherein: the lower end of the electric telescopic shaft (19) is fixed in the middle of the upper end of the extraction plate (6), a connecting plate (20) is fixed between every two adjacent push plates (9), and a telescopic cylinder (8) is fixed between the lower end of the extraction plate (6) and the middle of the upper end of the connecting plate (20).

6. The nucleic acid extraction apparatus according to claim 1, wherein: and a return spring (13) is fixed between the two clamping blocks (15) in the same through groove (12), the outer ends of the clamping blocks (15) extend out of the through groove (12), and the clamping blocks (15) are clamped with the clamping grooves (14).