CN219058930U

CN219058930U - Lead screw type nucleic acid extraction instrument

Info

Publication number: CN219058930U
Application number: CN202223054087.XU
Authority: CN
Inventors: 范圳
Original assignee: Jilin Chongming Biotechnology Co ltd
Current assignee: Jilin Chongming Biotechnology Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-05-23
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a screw rod type nucleic acid extractor, which comprises an extractor body and a servo motor, wherein the servo motor is installed and connected at the left end position of the inner side of the extractor body.

Description

Lead screw type nucleic acid extraction instrument

Technical Field

The utility model relates to the technical field of nucleic acid extraction, in particular to a screw rod type nucleic acid extraction instrument.

Background

Nucleic acid extractor, which is an instrument for automatically completing the extraction of sample nucleic acid by using matched nucleic acid extracting reagent, is divided into two types: one is large-scale automation, generally called automatic liquid workstation, and the other is small-scale automatic nucleic acid extractor, which utilizes packaged matched reagent to automatically complete extraction and purification process. The large-scale automatic liquid workstation is suitable for extracting thousands of specimens of the same kind at a time because of high equipment cost and high operation cost, so that the application is really less, and the small-scale automatic instrument is more and more applied because of low instrument and equipment and operation cost and convenient operation.

The existing nucleic acid extractor has the problems that the speed is low and the extractor is not stable enough when the extractor moves transversely, so that an extracted sample is easy to spill along with shaking, the use is inconvenient, and the extraction process is long.

Disclosure of Invention

The utility model aims to provide a screw rod type nucleic acid extractor, which solves the problems that the prior type nucleic acid extractor is low in speed and not stable enough in transverse movement, so that an extracted sample is easy to spill along with shaking, the use is inconvenient and the extraction process is long.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lead screw type nucleic acid extraction appearance, includes draws appearance organism and servo motor, servo motor installs and connects on the inboard left end position of drawing the appearance organism, servo motor's front end is provided with the screw thread lead screw, the bottom both sides of screw thread lead screw are located and draw and be provided with linear slide rail on the appearance organism, linear slide rail's upper end is located and be provided with lateral shifting subassembly on the screw thread lead screw, lateral shifting subassembly's top is provided with extraction element, extraction element's perpendicular under-end is located and is provided with the sample and places the subassembly on the appearance organism, the top of drawing the appearance organism is provided with touch display screen, the front end of drawing the appearance organism is provided with the chamber door subassembly.

The transverse moving assembly comprises a moving slide block, a connecting base, threaded round holes and an I-shaped sliding groove, wherein the connecting base is arranged at the top end of the moving slide block, the I-shaped sliding grooves are arranged on two sides of the bottom end of the moving slide block, the threaded round holes are formed in the middle of the inner side of the moving slide block, and the moving slide block is connected onto a threaded screw rod through the threaded round holes.

The sample placing assembly comprises an installation connecting block, a fixing frame, test tube placing holes and a sponge tray, wherein the installation connecting block is arranged on the outer sides of two ends of the fixing frame, the sponge tray is arranged on the inner side of the fixing frame, the test tube placing holes are formed in the upper end of the sponge tray, and the fixing frame is connected to an extractor body through the installation connecting block.

The door assembly comprises a door plate, a lifting handle and observation glass, wherein the lifting handle is arranged on the upper side of the front end of the door plate, the observation glass is arranged on the inner side of the door plate in a circle, and the door plate is connected to the extractor body.

Wherein, the chamber door subassembly passes through hinge connection on extracting the appearance organism, just the chamber door subassembly is connected on extracting the front end position of appearance organism.

The two linear sliding rails are arranged in total, and are connected to the two sides of the bottom end of the extractor body in parallel.

The screw thread lead screw and the transverse moving assembly are connected and installed in a threaded rotation mode, and the transverse moving assembly is connected to the upper end position of the screw thread lead screw.

In summary, the beneficial effects of the utility model are as follows due to the adoption of the technology:

1. according to the utility model, the nucleic acid extraction time can be improved through the cooperation of the transverse moving assembly, the linear slide rails, the threaded screw rod and the servo motor, when the transverse moving assembly is installed, firstly, the threaded round hole in the middle of the inner side of the moving slide block is convenient to rotate and sleeve on the threaded screw rod, the I-shaped slide grooves on two sides of the bottom end of the moving slide block are further sleeved on the two linear slide rails, the extraction device is installed and fixed on the connecting base, when the transverse moving assembly is used, the servo motor rotates to drive the threaded screw rod to rotate, when the threaded screw rod rotates to enable the moving slide block to move along with the threaded screw rod, the moving slide block slides on the two linear slide rails through the I-shaped slide grooves, so that the sliding is stable and difficult to shake during sliding, the extraction stability of the moving slide block is improved, the scattering effect during moving is prevented, and the servo motor and the threaded screw rod are matched to drive the moving slide block, the running speed of an extractor body is improved, the nucleic acid sample extraction time is greatly shortened, and the working efficiency is improved.

2. According to the utility model, the sample placement component is convenient to install and detach according to the requirements, the use is convenient, the corresponding sample placement component can be additionally arranged according to the number of extracted samples, so that a plurality of samples can be extracted, and when the sample placement component is installed, only the bolts for installing the connecting blocks are required to be rotated, so that the fixing frame is rotationally connected in the installation holes at the bottom end of the inner side of the extractor body through the bolts, the installation is realized in a bolt rotation mode, the installation is more convenient, the later disassembly is convenient, and when the sample placement component is used, the nucleic acid sample test tube is inserted into the test tube placement holes at the upper end of the sponge tray, and the sample placement component is more convenient when the nucleic acid sample test tube is stored due to the self elasticity of the sponge tray.

Drawings

FIG. 1 is a schematic perspective view of a lead screw type nucleic acid extractor according to the present utility model;

FIG. 2 is a schematic diagram showing the structure of a traverse assembly of a lead screw type nucleic acid extractor according to the present utility model;

FIG. 3 is a schematic view showing a sample placement module of a lead screw type nucleic acid extractor according to the present utility model;

FIG. 4 is a schematic diagram showing the structure of a door assembly of a lead screw type nucleic acid extractor according to the present utility model.

In the figure: 1. a linear slide rail; 2. a threaded screw rod; 3. a lateral movement assembly; 31. moving the slide block; 32. the base is connected; 33. a threaded round hole; 34. i-shaped sliding grooves; 4. an extraction device; 5. an extractor body; 6. touching the display screen; 7. a door assembly; 71. a door panel; 72. a handle; 73. observing glass; 8. a servo motor; 9. a sample placement assembly; 91. installing a connecting block; 92. a fixed frame; 93. a test tube placement hole; 94. a sponge tray.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Example 1

Referring to FIGS. 1 and 2, a screw-type nucleic acid extractor comprises an extractor body 5 and a servo motor 8, the servo motor 8 is installed and connected at the left end position of the inner side of the extractor body 5, the front end of the servo motor 8 is provided with a threaded screw 2, both sides of the bottom end of the threaded screw 2 are provided with linear slide rails 1 on the extractor body 5, the upper end of the linear slide rails 1 is provided with a transverse moving assembly 3 on the threaded screw 2, the top end of the transverse moving assembly 3 is provided with an extracting device 4, the vertical right lower end of the extracting device 4 is provided with a sample placing assembly 9 on the extractor body 5, the top end of the extractor body 5 is provided with a touch display screen 6, the front end of the extractor body 5 is provided with a door assembly 7, when the apparatus is used, firstly, a lifting handle 72 of the door assembly 7 is held, the door plate 71 is opened from the front end of the extractor body 5, then put the sample tube that draws into the sponge tray 94 of the sample placement module 9, and when placing, can add and set up the fixed frame 92 according to the sample number that draws, so that a plurality of samples draw, further cover the door plant 71 back to the original place, later press the control switch on the touch display screen 6, open the extractor organism 5, after opening, the servo motor 8 rotates, thereby drive the screw rod 2 to rotate when the servo motor 8 rotates, when the screw rod 2 rotates so that the movable slide block 31 of the horizontal movable module 3 moves along with it, and when the movable slide block 31 moves, slide on two linear slide rails 1 through the I-shaped chute 34, so it is more steady and difficult to shake while sliding, increase the stability of its extraction, prevent the unrestrained effect in the course of moving, and drive the movable slide block 31 to move through the cooperation of the servo motor 8 and the screw rod 2, the operation speed of the extractor body 5 can be improved, the extraction time of the nucleic acid sample is greatly shortened, the working efficiency is improved, and when the movable sliding block 31 moves, the extraction device 4 is driven to move left and right until the extraction device 4 extracts the test tube sample in the sponge tray 94.

In the utility model, a threaded screw rod 2 and a transverse moving component 3 are connected and installed in a threaded rotation mode, the transverse moving component 3 is connected to the upper end position of the threaded screw rod 2, the transverse moving component 3 comprises a moving slide block 31, a connecting base 32, threaded round holes 33 and an I-shaped sliding groove 34, the top end of the moving slide block 31 is provided with the connecting base 32, the two sides of the bottom end of the moving slide block 31 are provided with the I-shaped sliding grooves 34, the middle of the inner side of the moving slide block 31 is provided with the threaded round holes 33, the moving slide block 31 is connected to the threaded screw rod 2 through the threaded round holes 33, when the transverse moving component 3 is installed, firstly, the threaded round holes 33 in the middle of the inner side of the moving slide block 31 are conveniently and rotatably sleeved on the threaded screw rod 2, the I-shaped sliding grooves 34 on the two sides of the bottom end of the moving slide block 31 are further sleeved on the two linear sliding rails 1, an extraction device 4 is fixedly installed on the connecting base 32, when the moving slide block 31 rotates, and accordingly the moving slide block 31 moves, the moving slide block 31 slides on the two linear sliding rails 1 through the I-shaped sliding grooves 34, so that the moving slide block 31 is more stable and shaking is easier, the moving speed of the moving slide block is prevented, the device is greatly, and the speed of a machine is greatly driven, and the machine body is driven, and the speed of a machine is greatly can be driven, and the speed is used to be driven, and the machine is greatly, and the machine is can be extracted.

In the utility model, two linear slide rails 1 are arranged in total, and the linear slide rails 1 are connected in parallel at the two side positions of the bottom end of the extractor body 5, and when the extractor is installed, the two parallel linear slide rails 1 are installed at the two side positions of the bottom end of the extractor body 5, so that the transverse moving assembly 3 can conveniently and transversely slide on the linear slide rails 1 when in use, and when in sliding, the two linear slide rails 1 are arranged, so that the extractor is more stable and is not easy to shake when in sliding.

Working principle: when the device is used, firstly, the lifting handle 72 of the box door assembly 7 is held by hands, the door plate 71 is opened from the front end of the extractor body 5, then, an extracted sample test tube is placed in the sponge tray 94 of the sample placing assembly 9, and when the sample test tube is placed, the fixing frame 92 can be additionally arranged according to the extracted sample number, so that a plurality of samples are extracted, the door plate 71 is further covered at the original position, then, the extractor body 5 is started by pressing a control switch on the touch display screen 6, after the device is started, the servo motor 8 rotates, the screw rod 2 is driven to rotate when the servo motor 8 rotates, the moving slide block 31 of the transverse moving assembly 3 moves along with the screw rod 2 when the screw rod 2 rotates, and when the moving slide block 31 moves, the moving slide block 31 slides on the two linear slide rails 1 through the I-shaped slide grooves 34, so that the sample test tube is more stable and difficult to shake in the sliding process, the action of the extraction is prevented, the moving slide block 31 is driven to move through the cooperation of the servo motor 8 and the screw rod 2, the running speed of the moving slide block 31 can be improved, the nucleic acid sample extracting device 5 is greatly shortened, the working time is improved, and the working efficiency of the moving slide block is improved, and when the moving slide block 31 is driven to move the left and the moving slide block 31 to move 4 until the sample test tube is moved to the sample in the left and the sample to move device 4.

Example two

Referring to fig. 1 and 3, in comparison with the first embodiment, the sample placement module 9 includes a mounting connection block 91, a fixing frame 92, test tube placement holes 93 and a sponge tray 94, the mounting connection block 91 is disposed at the outer sides of two ends of the fixing frame 92, the sponge tray 94 is disposed at the inner side of the fixing frame 92, the test tube placement holes 93 are disposed at the upper end of the sponge tray 94, and the fixing frame 92 is connected to the extractor body 5 through the mounting connection block 91.

Working principle: during the use, can add corresponding sample according to the sample number of drawing and place subassembly 9 to the extraction of a plurality of samples, and when the installation, only need rotate the bolt of installation connecting block 91, make fixed frame 92 pass through bolt swivelling joint in the mounting hole of extracting the inboard bottom of appearance organism 5, connect the installation through the mode of bolt rotation like this, make more convenient in the installation, and later stage convenient to detach, when using, insert the test tube of nucleic acid sample and place in the test tube placement hole 93 of sponge tray 94 upper end, it is more convenient when making it access the nucleic acid sample test tube because the self elasticity of sponge tray 94.

Example III

Referring to fig. 1 and 4, in this embodiment, compared with the second embodiment, the door assembly 7 is connected to the extractor body 5 by a hinge, and the door assembly 7 is connected to the front end of the extractor body 5, the door assembly 7 includes a door plate 71, a lifting handle 72 and an observation glass 73, the lifting handle 72 is disposed on the upper side of the front end of the door plate 71, the observation glass 73 is disposed on the inner side of the door plate 71, and the door plate 71 is connected to the extractor body 5.

Working principle: when the door assembly 7 is installed, firstly, the handle 72 is held by hand, and the door plate 71 is connected to the front end of the extractor body 5 by using the hinge, so that the door plate 71 is opened and closed to access the nucleic acid sample, and in the use process, the process of extracting inside the extractor body 5 is conveniently checked by the observation glass 73 on the inner side of the door plate 71 for one circle.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a lead screw type nucleic acid extraction appearance, includes extraction appearance organism (5) and servo motor (8), its characterized in that: the utility model discloses a sample extraction device, including instrument body (5), servo motor (8), sample extraction device, touch display screen (6), sample extraction device, servo motor (8) are installed and connected on the inboard left end position of instrument body (5), the front end of servo motor (8) is provided with screw thread lead screw (2), the bottom both sides of screw thread lead screw (2) are located and are provided with linear slide rail (1) on instrument body (5), the upper end of linear slide rail (1) is provided with lateral shifting subassembly (3) on screw thread lead screw (2), the top of lateral shifting subassembly (3) is provided with extraction device (4), be provided with sample placement module (9) on instrument body (5) under the perpendicular of extraction device (4), the top of instrument body (5) is provided with touch display screen (6), the front end of instrument body (5) is provided with chamber door subassembly (7).

2. The lead screw type nucleic acid extractor of claim 1, wherein: the transverse moving assembly (3) comprises a moving slide block (31), a connecting base (32), a threaded round hole (33) and an I-shaped sliding groove (34), wherein the connecting base (32) is arranged at the top end of the moving slide block (31), the I-shaped sliding groove (34) is arranged on two sides of the bottom end of the moving slide block (31), the threaded round hole (33) is arranged in the middle of the inner side of the moving slide block (31), and the moving slide block (31) is connected onto the threaded screw rod (2) through the threaded round hole (33).

3. The lead screw type nucleic acid extractor of claim 1, wherein: the sample is placed subassembly (9) and is placed hole (93) and sponge tray (94) including installation connecting block (91), fixed frame (92), test tube, fixed frame (92) both ends outside is provided with installation connecting block (91), fixed frame (92) inboard is provided with sponge tray (94), sponge tray (94) upper end is provided with test tube and places hole (93), fixed frame (92) are connected on extracting instrument organism (5) through installation connecting block (91).

4. The lead screw type nucleic acid extractor of claim 1, wherein: the box door assembly (7) comprises a door plate (71), a lifting handle (72) and observation glass (73), wherein the lifting handle (72) is arranged on the upper side of the front end of the door plate (71), the observation glass (73) is arranged on the inner side of the door plate (71) in a circle, and the door plate (71) is connected to the extractor body (5).

5. The lead screw type nucleic acid extractor of claim 1, wherein: the box door assembly (7) is connected to the extractor body (5) through a hinge, and the box door assembly (7) is connected to the front end position of the extractor body (5).

6. The lead screw type nucleic acid extractor of claim 1, wherein: the two linear sliding rails (1) are arranged in total, and the linear sliding rails (1) are connected to the two sides of the bottom end of the extractor body (5) in parallel.

7. The lead screw type nucleic acid extractor of claim 1, wherein: the threaded screw rod (2) and the transverse moving assembly (3) are connected and installed in a threaded rotation mode, and the transverse moving assembly (3) is connected to the upper end position of the threaded screw rod (2).