CN216890913U - Oscillation extracting mechanism for full-automatic nucleic acid extractor - Google Patents
Oscillation extracting mechanism for full-automatic nucleic acid extractor Download PDFInfo
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- CN216890913U CN216890913U CN202220218595.8U CN202220218595U CN216890913U CN 216890913 U CN216890913 U CN 216890913U CN 202220218595 U CN202220218595 U CN 202220218595U CN 216890913 U CN216890913 U CN 216890913U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
The utility model provides a double-guide-rail oscillation extraction mechanism for a nucleic acid extractor, which consists of a rack, a vibration mechanism, a magnetic bar sleeve picking and placing mechanism and a liquid blocking mechanism, wherein the vibration mechanism, the magnetic bar sleeve picking and placing mechanism and the liquid blocking mechanism are arranged in the rack. The utility model has the characteristics of reasonable structure, convenient combination and installation, good vibration stability, convenient automatic grabbing and convenient separation.
Description
Technical Field
The utility model discloses a double-guide-rail oscillation mechanism for a nucleic acid extractor, and belongs to the technical field of nucleic acid extractors.
Background
The nucleic acid detecting substance is nucleic acid of virus, whether the patient is infected by the virus is determined by searching whether nucleic acid of the virus invaded from the outside exists in a respiratory tract sample, blood or excrement of the patient, so that the existence of the virus in the patient can be proved once the detection result is positive. Nucleic acid detection requires the use of a nucleic acid extractor.
In the prior art, a double-guide-rail oscillating mechanism for a nucleic acid extractor has poor stability at a joint during vibration, so that the service life is influenced; the magnetic bar sleeve is inconvenient to automatically grab, generally needs manual grabbing, and is low in safety; and the magnetic rod sleeve and the magnetic rod are not convenient to separate, so that the extraction efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a double-guide-rail oscillating mechanism for a nucleic acid extractor, so as to solve the technical problems in the background technology. The utility model has the characteristics of reasonable structure, convenient combination and installation, good vibration stability, convenient automatic grabbing and convenient separation.
The utility model provides a vibrate and draw mechanism for full-automatic nucleic acid extraction appearance, comprises frame and the inside vibrating mechanism, bar magnet cover pick-and-place mechanism and the fender liquid mechanism that sets up of frame, and the frame comprises base, lead screw support curb plate, slide rail fixed plate and big lead screw fixed plate, and wherein lead screw support curb plate symmetry is installed at the base up end.
The vibrating mechanism comprises a large lead screw motor, the large lead screw motor is arranged on the lower end face of a large lead screw fixing plate, an output shaft of the large lead screw motor is connected with a second synchronous belt pulley and is in transmission connection with a first synchronous belt pulley through a first synchronous belt, the first synchronous belt pulley is directly connected with a large lead screw, a lead screw nut pair is arranged on the large lead screw and is connected with a lead screw connecting plate, a small lead screw motor, a small lead screw supporting side plate, a magnetic rod sleeve assembly and a blocking piece are arranged on the lead screw connecting plate, a small lead screw fixing plate is arranged at the upper end of the small lead screw supporting side plate, the small lead screw supporting side plate is symmetrically arranged on the small lead screw fixing plate, a small lead screw motor synchronous belt pulley arranged on an output shaft of the small lead screw motor is in transmission connection with a third synchronous belt pulley arranged at the bottom end of the small lead screw through a second synchronous belt, and the small lead screw is connected with a magnetic rod assembly mounting plate, be provided with the bar magnet subassembly on the bar magnet subassembly mounting panel, the slider is all installed to lead screw connecting plate and bar magnet subassembly mounting panel to link to each other with the slide rail that sets up on the slide rail fixed plate through the slider, realize the effect that reciprocates of bar magnet and bar magnet cover.
The small screw rod supporting side plate is provided with a second sensor and a fourth sensor which can sense a separation blade arranged on the magnetic bar component mounting plate, and the control of the movement position of the magnetic bar component on the magnetic bar component mounting plate is realized.
The lead screw supporting side plate is provided with a first sensor and a third sensor which can sense a blocking piece on the lead screw connecting plate, so that the movement position of the magnetic bar sleeve assembly connected to the lead screw connecting plate can be controlled.
The bar magnet subassembly includes the bar magnet mounting panel, set up in bar magnet fixed plate under the bar magnet mounting panel, set up in bar magnet erection column on the bar magnet fixed plate sets up the bar magnet on the bar magnet erection column.
The magnetic bar sleeve taking and placing mechanism comprises a magnetic bar sleeve assembly, the magnetic bar sleeve assembly comprises a shifting sheet motor, the shifting sheet motor is installed on the upper end face of the installation plate, a motor shifting sheet wheel is connected to an output shaft of the shifting sheet motor, the synchronous belt is connected with a shifting sheet wheel arranged on the lower end face of the installation plate in a transmission mode, the shifting sheet motor drives the motor shifting sheet wheel and the shifting sheet wheel to rotate in the design mode, the shifting sheet wheel rotates to the lower end face of the magnetic bar sleeve, and the magnetic bar sleeve is convenient to automatically grab.
The liquid blocking mechanism comprises a swing arm motor, the swing arm motor is installed on a swing arm motor fixing plate, the swing arm motor fixing plate is installed on the base, and a swing arm connected with the liquid blocking plate is connected to an output shaft of the swing arm motor. The liquid blocking plate directly connected with the swing arm under the driving of the swing arm motor can move to the position right below the magnetic bar sleeve assembly to stop, and the liquid blocking function is achieved.
The beneficial effects of the utility model are as follows: when the magnetic bar sleeve needs to be grabbed, the magnetic bar sleeve is firstly placed at a proper position, a large screw rod motor is driven to work and rotate, the large screw rod is driven to rotate through the transmission of a second synchronous belt wheel, a first synchronous belt wheel and a first synchronous belt wheel, so that a magnetic bar sleeve assembly arranged on a screw rod fixing plate is driven to move downwards under the action of the large screw rod, the upper end face of the magnetic bar sleeve is attached to the lower end face of an installation plate by moving to the proper position, and finally, a plectrum motor is driven to drive a motor plectrum wheel and the plectrum wheel to rotate, the plectrum wheel rotates to the lower end face of the magnetic bar sleeve to grab and fix, and the magnetic bar sleeve can be automatically grabbed and released by controlling the rotating angle of the plectrum motor through a program.
When big lead screw motor drives bar magnet cover subassembly and bar magnet subassembly and reciprocates, under the effect of slide rail, stability when having improved the removal. Thereby little lead screw motor work is rotated and is driven little lead screw, bar magnet subassembly mounting panel and bar magnet and reciprocate to make bar magnet and bar magnet cover separation, play the effect of the separation of being convenient for, improve extraction efficiency.
Then the large screw rod motor is made to work and vibrate to drive the second synchronous belt wheel to vibrate, the second synchronous belt wheel vibrates to drive the first synchronous belt to vibrate, the first synchronous belt vibrates to drive the second synchronous belt wheel to vibrate, the second synchronous belt wheel vibrates to drive the large screw rod to vibrate, the large screw rod vibrates to drive the magnetic rod and the magnetic rod sleeve to vibrate, and meanwhile, under the action of two sets of slide rails, the stability during vibration is improved, and the service life is prolonged.
When vibration or extraction are finished, the magnetic rod sleeve assembly and the magnetic rod assembly are driven by the large screw rod motor to synchronously reset upwards, and after resetting is finished, the liquid baffle plate moves under the driving of the swing arm motor to the position right below the magnetic rod sleeve assembly to baffle liquid dropping from the magnetic rod sleeve, so that the pollution to nucleic acid which is extracted is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a dual-rail oscillating mechanism for a nucleic acid extractor according to the present invention;
FIG. 2 is a schematic diagram of the right side structure of a dual-rail oscillating mechanism for a nucleic acid extractor according to the present invention;
FIG. 3 is a schematic diagram of the rear right side of a double-rail oscillating mechanism for a nucleic acid extractor according to the present invention;
FIG. 4 is a cross-sectional view of a magnetic rod assembly of a double-rail oscillating mechanism for a nucleic acid extractor according to the present invention;
FIG. 5 is a perspective view of the magnetic rod sleeve assembly and magnetic rod sleeve of the double-guide oscillating mechanism for nucleic acid extractor of the present invention
Wherein: the device comprises a base 1, a magnetic bar sleeve 2, a magnetic bar sleeve component 3, a magnetic bar component 4, a slide rail 5, a large screw rod fixing plate 6, a first synchronous belt pulley 7, a second synchronous belt pulley 8, a first synchronous belt 9, a screw rod supporting side plate 10, a swing arm 11, a liquid baffle plate 12, a slide block 13, a screw rod connecting plate 14, a small screw rod motor 15, a swing arm motor fixing plate 16, a swing arm motor 17, a screw rod nut pair 18, a large screw rod motor 19, a large screw rod 20, a small screw rod supporting side plate 21, a small screw rod motor synchronous belt pulley 22, a second synchronous belt 23, a third synchronous belt pulley 24, a first sensor 25, a baffle 26, a third sensor 27, a second sensor 28, a small screw rod 29, a fourth sensor 30, a small screw rod fixing plate 31, a slide rail fixing plate 32, a baffle 33, a magnetic bar component mounting plate 34, a shifting sheet motor 301, a synchronous belt 302, a mounting plate 303, a motor shifting sheet wheel 304, a shifting sheet wheel 305, a magnetic bar sleeve lower end surface 306, a magnetic bar sleeve surface, a synchronous belt, a first synchronous belt, a second synchronous belt, a third synchronous, A magnetic rod fixing plate 401, a magnetic rod mounting column 402, a magnetic rod 403 and a magnetic rod mounting plate 404.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
Referring to fig. 1-5, the present invention provides a technical solution: a vibration extraction mechanism for a full-automatic nucleic acid extraction instrument comprises a rack, wherein the rack consists of a base 1, screw rod supporting side plates 10, a slide rail fixing plate 32 and a large screw rod fixing plate 6, the screw rod supporting side plates 10 are symmetrically arranged on the upper end surface of the base 1, and a vibration mechanism, a magnetic rod sleeve taking and placing mechanism and a liquid blocking mechanism are arranged inside the rack;
the vibration mechanism comprises a large screw rod motor 19, the large screw rod motor 19 is arranged on the lower end face of a large screw rod fixing plate 6, a second synchronous belt pulley 8 is connected on an output shaft of the large screw rod motor 19 and is in transmission connection with a first synchronous belt pulley 7 through a first synchronous belt 9, the first synchronous belt pulley 7 is directly connected with a large screw rod 20, a screw rod nut pair 18 is arranged on the large screw rod 20, the screw rod nut pair 18 is connected with a screw rod connecting plate 14, a small screw rod motor 15, a small screw rod 29, a small screw rod supporting side plate 21, a magnetic rod sleeve assembly 3 and a baffle 26 are arranged on the screw rod connecting plate 14, a small screw rod fixing plate 31 is arranged at the upper end of the small screw rod supporting side plate 21, the small screw rod supporting side plate 21 is symmetrically arranged on the small screw rod fixing plate 31, a small screw rod motor synchronous belt pulley 22 arranged on an output shaft of the small screw rod motor 15 is in transmission connection with a third synchronous belt pulley 24 arranged at the bottom end of the small screw rod 29 through a second synchronous belt 23, the small screw 29 is connected with the magnetic bar component mounting plate 34, the magnetic bar component mounting plate 34 is provided with the magnetic bar component 4, the screw connecting plate 14 and the magnetic bar component mounting plate 34 are both provided with the sliding block 13, and are connected with the sliding rail 5 arranged on the sliding rail fixing plate 32 through the sliding block 13, so that the up-and-down movement of the magnetic bar 403 and the magnetic bar sleeve 2 is realized.
The small screw rod supporting side plate 21 is provided with a second sensor 28 and a fourth sensor 30 which can sense a baffle 33 arranged on a magnetic bar assembly mounting plate 34, so that the movement position of the magnetic bar assembly 4 connected to the magnetic bar assembly mounting plate 34 can be controlled.
The lead screw supporting side plate 10 is provided with a first sensor 25 and a third sensor 27 which can sense a baffle 26 on the lead screw connecting plate 14, so that the movement position of the magnetic rod sleeve assembly 3 connected to the lead screw connecting plate 14 can be controlled.
The magnetic rod assembly 4 comprises a magnetic rod mounting plate 404, a magnetic rod fixing plate 401 arranged below the magnetic rod mounting plate 404, a magnetic rod mounting column 402 arranged on the magnetic rod fixing plate 401, and a magnetic rod 403 arranged on the magnetic rod mounting column 402.
The bar magnet cover is got and is put mechanism includes bar magnet cover subassembly 3, bar magnet cover subassembly 3 includes plectrum motor 301, the up end at mounting panel 303 is installed to plectrum motor 301, be connected with motor plectrum wheel 304 on the output shaft of plectrum motor 301, be connected with the plectrum wheel 305 transmission of setting at the lower terminal surface of mounting panel 303 through hold-in range 302, this design drives motor plectrum wheel 304 and plectrum wheel 305 through plectrum motor 301 and rotates, rotates terminal surface 306 under the bar magnet cover when the plectrum rotates, plays the effect of being convenient for automatic snatching to bar magnet cover 2.
The liquid blocking mechanism comprises a swing arm motor 17, the swing arm motor 17 is installed on a swing arm motor fixing plate 16, the swing arm motor fixing plate 16 is installed on the base 1, and a swing arm 11 connected with the liquid blocking plate 12 is connected to an output shaft of the swing arm motor 17. The liquid baffle plate 12 directly connected with the swing arm 11 under the drive of the swing arm motor 17 can move to the position right below the magnetic bar sleeve assembly 3 to stop, so that the liquid baffle function is realized.
As an embodiment of the present invention: when the magnetic rod sleeve 2 needs to be grabbed, the magnetic rod sleeve 2 is firstly placed at a proper position to drive the large screw rod motor 19 to work and rotate, the large screw rod 20 is driven to rotate through the transmission of the second synchronous belt pulley 8, the first synchronous belt 9 and the first synchronous belt pulley 7, so that the magnetic rod sleeve assembly 3 arranged on the screw rod connecting plate 14 is driven to move downwards under the action of the large screw rod 20, the upper end surface of the magnetic rod sleeve 2 is attached to the lower end surface of the mounting plate 303 when the magnetic rod sleeve is moved to the proper position, finally, the poking piece motor 301 is driven to drive the motor poking piece wheel 304 and the poking piece wheel 305 to rotate, the poking piece rotates to the lower end surface 306 of the magnetic rod sleeve to grab and fix, and the rotation angle of the poking piece motor can be controlled through a program to automatically grab and release the magnetic rod sleeve.
When the motor 19 of the big screw rod 20 drives the magnetic bar sleeve component 3 and the magnetic bar component 4 to move up and down, the stability during moving is improved under the action of the slide rail 5. Thereby little lead screw motor 15 work is rotated and is driven little lead screw 29, bar magnet subassembly mounting panel 34 and bar magnet 403 and reciprocate to make bar magnet 403 and bar magnet cover 2 separation, play the effect of the separation of being convenient for, improve and draw efficiency.
Then the large screw rod motor 19 is made to work and vibrate to drive the second synchronous belt wheel 8 to vibrate, the second synchronous belt wheel 8 vibrates to drive the first synchronous belt 9 to vibrate, the first synchronous belt 9 vibrates to drive the first synchronous belt wheel 7 to vibrate, the first synchronous belt wheel 7 vibrates to drive the large screw rod 20 to vibrate, the large screw rod 20 vibrates to drive the magnetic rod 403 and the magnetic rod sleeve 2 to vibrate, and meanwhile, under the action of two sets of slide rails 5, the stability during vibration is improved, and the service life is prolonged.
When the vibration or extraction is finished, the magnetic rod sleeve assembly 3 and the magnetic rod assembly 4 are driven by the motor 19 of the big screw rod 20 to synchronously reset upwards, and after the resetting is finished, the liquid baffle plate 12 moves to the position right below the magnetic rod sleeve assembly 3 under the driving of the swing arm motor 17 to baffle liquid dropping from the magnetic rod sleeve 2, so that the pollution to the extracted nucleic acid is avoided.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of 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.
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 (7)
1. The utility model provides a vibrate and draw mechanism for full-automatic nucleic acid draws appearance, by frame and the inside vibrating mechanism, bar magnet cover pick-and-place mechanism and the fender liquid mechanism that sets up of frame constitute its characterized in that: the vibration mechanism comprises a large lead screw motor, the large lead screw motor is arranged on the lower end face of a large lead screw fixing plate, an output shaft of the large lead screw motor is connected with a second synchronous belt pulley and is in transmission connection with a first synchronous belt pulley through a first synchronous belt, the first synchronous belt pulley is directly connected with a large lead screw, a lead screw nut pair is arranged on the large lead screw and is connected with a lead screw connecting plate, a small lead screw motor, a small lead screw supporting side plate, a magnetic bar sleeve assembly and a baffle plate are arranged on the lead screw connecting plate, a small lead screw fixing plate is arranged at the upper end of the small lead screw supporting side plate, the small lead screw supporting side plate is symmetrically arranged on the small lead screw fixing plate, a small lead screw motor synchronous belt pulley is arranged on an output shaft of the small lead screw motor and is in transmission connection with a third synchronous belt pulley arranged at the bottom end of the small lead screw through the second synchronous belt, the small screw rod is connected with the magnetic rod assembly mounting plate, the magnetic rod assembly is arranged on the magnetic rod assembly mounting plate, the screw rod connecting plate and the magnetic rod assembly mounting plate are both provided with a sliding block, and the sliding block is connected with a sliding rail arranged on a sliding rail fixing plate through the sliding block, so that the reciprocating effect of the magnetic rod and the magnetic rod sleeve is realized.
2. The oscillation extracting mechanism of claim 1, wherein: the rack is composed of a base, screw rod supporting side plates, a sliding rail fixing plate and a large screw rod fixing plate, wherein the screw rod supporting side plates are symmetrically arranged on the upper end face of the base.
3. The oscillation extracting mechanism of claim 1, wherein: set up second sensor and fourth sensor on the little lead screw supports the curb plate, the second sensor with the fourth sensor can respond to and install separation blade on the bar magnet cover subassembly mounting panel realizes connecting the control of bar magnet cover subassembly position of motion on the bar magnet cover subassembly mounting panel.
4. The oscillation extracting mechanism of claim 1, wherein: the small screw rod supporting side plate is provided with a first sensor and a third sensor, the first sensor and the third sensor can sense a blocking piece on the screw rod connecting plate, and the movement position of the magnetic rod sleeve assembly on the screw rod connecting plate is controlled.
5. The oscillation extracting mechanism of claim 1, wherein: the bar magnet subassembly includes the bar magnet mounting panel, set up in bar magnet fixed plate under the bar magnet mounting panel, set up in bar magnet erection column on the bar magnet fixed plate and set up the bar magnet on the bar magnet erection column.
6. The oscillation extracting mechanism of claim 1, wherein: the magnetic bar sleeve taking and placing mechanism comprises a magnetic bar sleeve assembly, the magnetic bar sleeve assembly comprises a shifting sheet motor, the shifting sheet motor is installed on the upper end face of the installation plate, a motor shifting sheet wheel is connected to an output shaft of the shifting sheet motor, and the motor shifting sheet wheel is in transmission connection with a shifting sheet wheel arranged on the lower end face of the installation plate through a synchronous belt.
7. The oscillation extracting mechanism of claim 2, wherein: the liquid blocking mechanism comprises a swing arm motor, the swing arm motor is installed on a swing arm motor fixing plate, the swing arm motor fixing plate is installed on the base, and a swing arm connected with the liquid blocking plate is connected to an output shaft of the swing arm motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220218595.8U CN216890913U (en) | 2022-01-26 | 2022-01-26 | Oscillation extracting mechanism for full-automatic nucleic acid extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220218595.8U CN216890913U (en) | 2022-01-26 | 2022-01-26 | Oscillation extracting mechanism for full-automatic nucleic acid extractor |
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| Publication Number | Publication Date |
|---|---|
| CN216890913U true CN216890913U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220218595.8U Active CN216890913U (en) | 2022-01-26 | 2022-01-26 | Oscillation extracting mechanism for full-automatic nucleic acid extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216890913U (en) |
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2022
- 2022-01-26 CN CN202220218595.8U patent/CN216890913U/en active Active
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