CN219652970U - Nucleic acid extraction instrument - Google Patents
Nucleic acid extraction instrument Download PDFInfo
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- CN219652970U CN219652970U CN202223515684.8U CN202223515684U CN219652970U CN 219652970 U CN219652970 U CN 219652970U CN 202223515684 U CN202223515684 U CN 202223515684U CN 219652970 U CN219652970 U CN 219652970U
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- rack
- supporting plate
- gear
- guide rail
- nucleic acid
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- 238000000605 extraction Methods 0.000 title claims abstract description 22
- 150000007523 nucleic acids Chemical class 0.000 title claims abstract description 22
- 102000039446 nucleic acids Human genes 0.000 title claims abstract description 22
- 108020004707 nucleic acids Proteins 0.000 title claims abstract description 22
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000670 limiting effect Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 16
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000001360 synchronised effect Effects 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model relates to the technical field of nucleic acid extractors, in particular to a nucleic acid extractor, which comprises an extractor main body, wherein a drawing component is arranged in the extractor main body and comprises a supporting plate and a ball; the test tube rack is placed on the upper surface of the ball, the clamping assembly comprises a first rack, a first gear is meshed with the outer portion of the first rack, a second gear is arranged above the first gear, a second rack is meshed with the outer portion of the second gear, and a clamping plate is fixedly connected to one end of the second rack. According to the utility model, through the drawing of the supporting plate and the arrangement and distribution of the clamping assemblies, the clamping of the clamping plate can be realized when the supporting plate is drawn out and pushed back into the extraction instrument main body, so that the stable convenience of placing the test tube rack to be detected is improved, the operation steps and the duration of the test tube rack to be detected are reduced, and the detection efficiency of the test tube rack to be detected is effectively improved.
Description
Technical Field
The utility model relates to the technical field of nucleic acid extractors, in particular to a nucleic acid extractor.
Background
The nucleic acid extraction instrument is an instrument for automatically completing sample nucleic acid extraction by using matched nucleic acid extraction reagents, and is widely applied to various fields such as disease control centers, clinical disease diagnosis, blood transfusion safety, forensic identification, environmental microorganism detection, food safety detection, animal husbandry, molecular biology research and the like.
The existing nucleic acid extractor adopts a drawing type structure to realize the placement of a sample to be detected, and pushes back the sample to be detected after positioning for sealing detection treatment, but when the sample to be detected is placed and positioned, the sample to be detected needs to be clamped and positioned by an additional positioning mechanism, so that the device is excessively complicated in placement steps with the sample to be detected when the device is used for extracting and treating nucleic acid, the overall operation time is reduced, and the detection efficiency is reduced, so that the design of the nucleic acid extractor is needed to solve the problems.
Disclosure of Invention
The utility model aims to provide a nucleic acid extractor, which solves the problem that the clamping and positioning of a sample to be detected can be realized only by the operation of an additional positioning mechanism when the sample to be detected is placed and positioned in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a nucleic acid extractor comprising:
the extraction instrument comprises an extraction instrument main body, wherein a drawing component is arranged in the extraction instrument main body and comprises a supporting plate and balls;
the clamping assembly comprises a first rack, the first rack is fixedly connected to the inner wall of the extractor body, a first gear is meshed with the first rack, a second gear is arranged above the first gear, a second rack is meshed with the second gear, and a clamping plate is fixedly connected to one end of the second rack.
Preferably, the pull subassembly includes the I-shaped guide rail, I-shaped guide rail fixed connection is at the inner wall that draws the appearance main part, the top of I-shaped guide rail is provided with the slider, the upper surface of slider is connected with the backup pad, the both sides of backup pad all are connected with drawer guide rail, the inside rotation of backup pad is provided with the ball, the upper surface of backup pad is provided with the locating frame.
Preferably, the four corners of the supporting plate are all provided with sliding blocks, the supporting plate is in sliding connection with the I-shaped guide rail through the sliding blocks, the supporting plate is in sliding extraction connection with the inner wall of the extractor main body through the drawer guide rail, and two handles are arranged on the outer wall of the supporting plate.
Preferably, the height of the positioning frame is equal to that of the drawer guide rail, the balls are distributed in the drawer guide rail in four parts, the inside of the drawer guide rail is rotationally connected with a transmission shaft through a needle bearing, and two ends of the transmission shaft are respectively connected with a first gear and a second gear.
Preferably, the center of the upper surface of the drawer guide rail is provided with a cross guide groove, the inside of the cross guide groove is connected with a second rack in a sliding mode, and a limiting groove is formed in the position, corresponding to the cross guide groove, of the positioning frame.
Preferably, the upper surfaces of the second racks and the second gears are located below the tops of the balls, four groups of clamping assemblies are arranged in total, the clamping ends of the four groups of clamping assemblies are located on four sides of the positioning frame respectively, and the upper surface of the first rack is located below the upper surface of the sliding block.
Compared with the prior art, the utility model has the beneficial effects that: this nucleic acid extraction appearance passes through the pull of backup pad, and cooperation clamping assembly's setting distributes, can realize keeping away from of splint when the backup pad is taken out, pushes back when extracting the appearance main part inside, realizes the centre gripping of splint to improve and wait to detect the stable convenience of test-tube rack placement, reduce its operating procedure and duration, its detection efficiency of effectual improvement.
(1) According to the utility model, through the arrangement of the clamping assembly, the synchronous movement of the clamping plates can be realized through the mutual matching of the two groups of racks and pinions, so that the clamping plates can move along with the movement of the bottom supporting plate, and the test tube rack can be automatically corrected and positioned through the clamping of the clamping assembly after being placed and pushed back, thereby improving the detection efficiency of the device and reducing the auxiliary positioning operation of personnel.
(2) According to the utility model, through the arrangement of the balls and the supporting plates, the test tube rack can be placed through the arrangement of the rotatable balls, and then the upper test tube rack is convenient to move through the rotation arrangement of the balls, so that the friction force of the test tube rack moving is reduced, the test tube rack moving is smoother, and the smoothness and convenience of position adjustment and positioning are further improved.
Drawings
FIG. 1 is a schematic view of a partial explosion structure of the present utility model;
fig. 2 is a schematic diagram of a test tube rack distribution structure according to the present utility model;
FIG. 3 is a schematic view of a part of a clamping assembly according to the present utility model;
fig. 4 is a schematic view of the overall structure of the clamping assembly according to the present utility model.
In the figure: 1. an extractor body; 2. a pull assembly; 21. an I-shaped guide rail; 22. a slide block; 23. a support plate; 24. a drawer guide rail; 25. a ball; 26. a positioning frame; 3. a clamping assembly; 31. a first rack; 32. a first gear; 33. a second gear; 34. a second rack; 35. a clamping plate; 4. test tube rack.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided: a nucleic acid extractor comprising: the extractor body 1, the drawer guide 24 and the test tube rack 4 used in the present utility model are all commercially available products, and the principle and the connection method thereof are all well known to those skilled in the art, so that they are not described in detail herein,
the extraction instrument comprises an extraction instrument body 1, wherein a drawing component 2 is arranged in the extraction instrument body 1, and the drawing component 2 comprises a supporting plate 23 and a ball 25;
the utility model provides a centre gripping subassembly 3 and test-tube rack 4, the upper surface at ball 25 is placed to test-tube rack 4, centre gripping subassembly 3 includes first rack 31, first rack 31 fixed connection is at the inner wall that draws appearance main part 1, the outside meshing of first rack 31 has first gear 32, the top of first gear 32 is provided with second gear 33, the outside meshing of second gear 33 has second rack 34, the one end fixedly connected with splint 35 of second rack 34, through the setting of this structure, can drive first gear 32 and second gear 33 follow the removal when backup pad 23 removes, thereby realize the rotation of first gear 32 through the meshing of first rack 31 and first gear 32, further drive second gear 33 through the rotation of first gear 32, thereby realize the removal of second rack 34 through the rotation of second gear 33, and then make backup pad 23 pull out the time, splint 35 keep away from test-tube rack 4, when pushing back to draw appearance main part 1, splint 35 realizes the centre gripping to test-tube rack 4, the convenience of pipe rack 4 location has been improved.
Further, pull subassembly 2 includes I-shaped guide rail 21, I-shaped guide rail 21 fixed connection is at the inner wall that draws appearance main part 1, I-shaped guide rail 21's top is provided with slider 22, slider 22's upper surface is connected with backup pad 23, backup pad 23's both sides all are connected with drawer guide rail 24, backup pad 23's inside rotation is provided with ball 25, backup pad 23's upper surface is provided with locating frame 26, through the setting of this structure, can realize the supplementary direction to backup pad 23, realize the extraction of backup pad 23, simultaneously through ball 25 and locating frame 26's setting, realize the activity support to test-tube rack 4, play spacing protection's effect through locating frame 26.
Further, the four corners of the supporting plate 23 are all provided with sliding blocks 22, the supporting plate 23 is in sliding connection with the I-shaped guide rail 21 through the sliding blocks 22, the supporting plate 23 is in sliding insertion connection with the inner wall of the extractor main body 1 through a drawer guide rail 24, the drawer guide rail 24 is a groove or ridge made of metal or other materials, the structure capable of bearing, fixing and guiding the movable supporting plate 23 and reducing friction of the movable supporting plate is provided, the longitudinal groove or ridge on the surface of the drawer guide rail 24 is used for guiding and fixing the supporting plate 23, two handles are arranged on the outer wall of the supporting plate 23, and the handles are arranged to facilitate the drawing operation of the supporting plate 23.
Further, the height of the positioning frame 26 is equal to that of the drawer guide rail 24, the balls 25 are distributed in the drawer guide rail 24 in four parts, the inside of the drawer guide rail 24 is rotatably connected with a transmission shaft through a needle bearing, two ends of the transmission shaft are respectively connected with a first gear 32 and a second gear 33, and the arrangement of the transmission shaft ensures synchronous rotation of the first gear 32 and the second gear 33 while the connection of the first gear 32 and the second gear 33 is realized.
Further, the center of the upper surface of the drawer guide rail 24 is provided with a cross guide groove, the inside of the cross guide groove is slidably connected with a second rack 34, a limiting groove is formed in the position of the positioning frame 26 corresponding to the cross guide groove, the second rack 34 is slidably connected with the inner wall of the cross guide groove in a dovetail groove type, meanwhile, a good limiting effect can be achieved, and the moving stability of the second rack 34 is guaranteed.
Further, the upper surfaces of the second racks 34 and the second gears 33 are located below the tops of the balls 25, four groups of clamping assemblies 3 are arranged, the clamping ends of the four groups of clamping assemblies 3 are located on four sides of the positioning frame 26 respectively, the upper surface of the first rack 31 is located below the upper surface of the sliding block 22, the four groups of clamping assemblies 3 are distributed at different positions, so that the clamping plates 35 can be simultaneously clamped or kept away, and further the centering clamping and positioning of the test tube rack 4 can be realized.
Working principle: when the extraction device is used, the test tube rack 4 is firstly placed above the ball 25, the supporting plate 23 is pushed back to the inside of the extraction device main body 1 by further holding the handle, and when the first gear 32 below the supporting plate 23 is meshed with the first rack 31, the synchronous rotation of the first gear 32 and the second gear 33 can be realized, and the second rack 34 is further driven to move by the rotation of the second gear 33, so that the clamping plate 35 is driven to approach the test tube rack 4, the centering clamping and positioning of the test tube rack 4 are realized, the extraction device is simpler and more convenient to operate, and the detection efficiency is greatly improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
Claims (6)
1. A nucleic acid extractor comprising:
the extraction instrument comprises an extraction instrument main body (1), wherein a drawing component (2) is arranged in the extraction instrument main body (1), and the drawing component (2) comprises a supporting plate (23) and balls (25);
clamping assembly (3) and test-tube rack (4), upper surface at ball (25) is placed in test-tube rack (4), clamping assembly (3) include first rack (31), first rack (31) fixed connection is at the inner wall that draws appearance main part (1), the outside meshing of first rack (31) has first gear (32), the top of first gear (32) is provided with second gear (33), the outside meshing of second gear (33) has second rack (34), the one end fixedly connected with splint (35) of second rack (34).
2. The nucleic acid extractor of claim 1, wherein: the drawing assembly (2) comprises an I-shaped guide rail (21), the I-shaped guide rail (21) is fixedly connected to the inner wall of the extractor main body (1), a sliding block (22) is arranged above the I-shaped guide rail (21), the upper surface of the sliding block (22) is connected with a supporting plate (23), both sides of the supporting plate (23) are connected with drawer guide rails (24), balls (25) are arranged in the supporting plate (23) in a rotating mode, and a positioning frame (26) is arranged on the upper surface of the supporting plate (23).
3. The nucleic acid extractor of claim 1, wherein: four corners of the supporting plate (23) are provided with sliding blocks (22), the supporting plate (23) is in sliding connection with the I-shaped guide rail (21) through the sliding blocks (22), the supporting plate (23) is in sliding extraction connection with the inner wall of the extractor main body (1) through a drawer guide rail (24), and two handles are arranged on the outer wall of the supporting plate (23).
4. The nucleic acid extractor of claim 2, wherein: the height of the positioning frame (26) is equal to that of the drawer guide rail (24), the balls (25) are distributed in the drawer guide rail (24) in four parts, a transmission shaft is rotatably connected to the drawer guide rail (24) through a needle bearing, and two ends of the transmission shaft are respectively connected with a first gear (32) and a second gear (33).
5. The nucleic acid extractor of claim 2, wherein: the center of the upper surface of the drawer guide rail (24) is provided with a cross guide groove, the inside of the cross guide groove is connected with a second rack (34) in a sliding mode, and a limiting groove is formed in the position, corresponding to the cross guide groove, of the positioning frame (26).
6. The nucleic acid extractor of claim 5, wherein: the upper surfaces of the second racks (34) and the second gears (33) are arranged below the tops of the balls (25), four groups of clamping assemblies (3) are arranged, the clamping ends of the four groups of clamping assemblies (3) are respectively arranged on four sides of the positioning frame (26), and the upper surface of the first rack (31) is arranged below the upper surface of the sliding block (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223515684.8U CN219652970U (en) | 2022-12-28 | 2022-12-28 | Nucleic acid extraction instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223515684.8U CN219652970U (en) | 2022-12-28 | 2022-12-28 | Nucleic acid extraction instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219652970U true CN219652970U (en) | 2023-09-08 |
Family
ID=87860674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223515684.8U Active CN219652970U (en) | 2022-12-28 | 2022-12-28 | Nucleic acid extraction instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219652970U (en) |
-
2022
- 2022-12-28 CN CN202223515684.8U patent/CN219652970U/en active Active
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| GR01 | Patent grant |