CN115177295B

CN115177295B - Automatic change nucleic acid sample collection device

Info

Publication number: CN115177295B
Application number: CN202210638928.7A
Authority: CN
Inventors: 霍然
Original assignee: Shenzhen Hospital University of Hong Kong
Current assignee: Shenzhen Hospital University of Hong Kong
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2023-04-14
Anticipated expiration: 2042-06-08
Also published as: CN115177295A

Abstract

The invention provides an automatic nucleic acid sample collecting device which comprises a containing mechanism, a rotary test tube tray mechanism, a recovery mechanism, a clamping mechanism and a cover screwing mechanism, wherein the containing mechanism, the rotary test tube tray mechanism, the recovery mechanism, the clamping mechanism and the cover screwing mechanism are arranged on a workbench, the clamping mechanism is used for clamping a sampling swab in the containing mechanism and transferring the sampling swab to a test tube on the rotary test tube tray mechanism for breaking, then the clamping mechanism transfers a broken swab rod to the recovery mechanism, and the cover screwing mechanism is used for opening and closing a tube cap on the test tube. The invention can automatically break the sampling swab, automatically collect and store the pharynx swab sample in the sampling test tube, automatically open and close the tube cap on the test tube, reduce the contact between the pharynx swab sample and the test tube with personnel, reduce the infection risk, improve the working efficiency of nucleic acid sampling and reduce the labor cost.

Description

Automatic change nucleic acid sample collection device

Technical Field

The invention relates to the technical field of medical treatment, in particular to an automatic nucleic acid sample collecting device.

Background

The accurate diagnosis and cure discharge of the new coronary pneumonia patient can not leave the nucleic acid detection, and the collection of the throat swab is a key step of the nucleic acid detection. At present, to the pharynx swab collection of new coronavirus detection, mainly adopt the artifical pharynx swab sample of collection of sampling swab through medical personnel, manually put into the pharynx swab sample again and collect with the in vitro rupture, then carry out the analysis chemical examination to accomplish the nucleic acid of new coronavirus and detect, the mode of manually collecting the pharynx swab like this appears the mistake easily when collecting or counting, not only the test tube collection efficiency is lower, and medical personnel have very big infection risk moreover.

Therefore, the prior art needs to be improved,

disclosure of Invention

The invention aims to provide an automatic nucleic acid sample collecting device, and aims to solve the technical problem that medical staff have great infection risk due to manual collection of a throat swab in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that:

the present invention provides an automated nucleic acid sample collection device, comprising: the device comprises a storage mechanism, a rotary test tube disc mechanism, a recovery mechanism, a clamping mechanism and a cover screwing mechanism which are arranged on a workbench;

the cover screwing mechanism is used for opening a tube cap of a test tube on the rotary test tube disc mechanism to enable the test tube to be in an open state, then a sampling swab is collected and detected through the containing mechanism, then the clamping mechanism clamps the sampling swab in the containing mechanism and transfers the sampling swab to a test tube on the rotary test tube disc mechanism to be broken, then the clamping mechanism transfers a broken swab rod to the recovery mechanism, and after the test tube is fully collected with the sampling swab, the cover screwing mechanism closes the tube cap of the test tube to enable the test tube to be in a closed state;

the spiral cover mechanism includes the spiral cover subassembly, the spiral cover subassembly includes: spiral cover casing, spiral cover driving piece, three-jaw clamp cover piece, cam switching piece, the spiral cover driving piece set up in on the spiral cover casing, the three-jaw clamp cover piece with the transmission of spiral cover driving piece is connected, the three-jaw presss from both sides the cover piece and passes through spiral cover driving piece drive edge the spiral cover casing rotates, just the three-jaw presss from both sides the cover piece with spiral cover casing sliding connection, cam switching piece with the three-jaw presss from both sides the cover piece and connects, the three-jaw presss from both sides the cover piece and passes through cam switching piece drive and have the first state that presss from both sides tight test tube pipe cap and have the second state that loosens test tube pipe cap.

In one embodiment, the capping mechanism further comprises:

screwing the vertical plate;

and the fifth moving assembly is in sliding connection with the cap screwing vertical plate and is fixedly connected with the cap screwing assembly.

In one embodiment, the fifth moving assembly comprises:

a fifth rotary drive;

a fifth drive gear in driving connection with the fifth rotary drive;

the fifth transmission rack is meshed with the five driving gears;

and the fifth sliding block is fixedly connected with the fifth transmission rack and is in sliding connection with the spiral cover vertical plate.

In one embodiment, the cap screwing drive comprises: the sixth rotary driver is arranged on the spiral cover shell, the sixth driving gear is in transmission connection with the sixth rotary driver, and the sixth driven gear is meshed with the sixth driving gear.

In an embodiment, three-jaw clamp lid spare includes sleeve, a set of three-jaw splint, spiral cover pressure spring, spiral cover spring and plane thrust bearing, and is a set of three-jaw splint's upper end inlays to be located just a set of in the sleeve three-jaw splint pass through the spiral cover pressure spring with the sleeve butt, a set of three-jaw splint's middle part articulate in the sleeve, a set of three-jaw splint's lower extreme extends to outside the sleeve, the spiral cover spring housing is established a set of three-jaw splint's lower extreme, spiral cover spring one end with sleeve butt, the spiral cover spring other end is with a set of three-jaw splint butt, just the spiral cover spring is with a set of three-jaw splint's butt position department is provided with plane thrust bearing.

In one embodiment, the cam switch includes:

a seventh rotary drive secured to the sleeve;

the seventh rotary driver is in transmission connection with the elliptical cam, the elliptical cam is embedded in the upper end of the three-jaw clamping plate, and the elliptical cam is driven by the seventh rotary driver to rotate at the upper end of the three-jaw clamping plate.

In one embodiment, the rotating cuvette tray mechanism comprises:

a fourth rotary drive;

a fourth drive gear in driving connection with the fourth rotary drive;

a fourth driven gear meshed with the fourth driving gear;

the rotating disc is provided with a plurality of mounting grooves, the rotating disc is in transmission connection with the fourth driven gear, and the mounting grooves are used for mounting test tubes.

In one embodiment, the storage mechanism comprises: cotton-wool section of thick bamboo and first sensor, the cotton-wool section of thick bamboo include funnel portion and with the barrel head bottom of funnel portion intercommunication, first sensor is used for detecting sampling swab in the barrel head bottom.

In one embodiment, the grasping mechanism includes:

clamping the substrate;

the first swinging assembly is rotatably connected with the clamping base plate;

the second rotating assembly is arranged at one end, far away from the clamping base plate, of the first swinging assembly and is in rotating connection with the first swinging assembly;

and the manipulator is arranged at one end, far away from the first swinging assembly, of the second rotating assembly.

In one embodiment, the first swing assembly comprises:

a first rotary driver;

the first driving gear is in transmission connection with the first rotary driver;

the first driven gear is meshed with the first driving gear;

the crank is arranged on the first driven gear, and one end of the crank is rotationally connected with the first driven gear;

one end of the first rotating arm is rotationally connected with the clamping base plate, the middle part of the first rotating arm is rotationally connected with one end of the crank, which is far away from the first driven gear, and the other end of the first rotating arm is rotationally connected with the second rotating assembly;

the second rotating assembly includes:

a second rotary driver;

the second driving gear is in transmission connection with the second rotary driver;

the second driven gear is meshed with the second driving gear;

the second rotating arm is rotatably connected to the first rotating arm of the first swinging assembly and is in transmission connection with the second driven gear;

the manipulator includes:

a third rotary driver;

a third drive gear in driving connection with the third rotary drive;

a first drive rack engaged with the third drive gear;

the second transmission rack is meshed with the third driving gear and is oppositely and parallelly distributed with the first transmission rack;

the first clamping piece is fixed on the first transmission rack;

and the second clamping piece is fixed on the second transmission rack, and is arranged in parallel with the first clamping piece.

The automatic nucleic acid sample collecting device provided by the invention has the beneficial effects that:

the invention provides an automatic nucleic acid sample collecting device which comprises a containing mechanism, a rotary test tube tray mechanism, a recovery mechanism, a clamping mechanism and a rotary cover mechanism, wherein the containing mechanism is arranged on a workbench, the clamping mechanism is used for clamping a sampling swab in the containing mechanism and transferring the sampling swab to a test tube on the rotary test tube tray mechanism for breaking, then the clamping mechanism transfers a broken swab rod to the recovery mechanism, and the rotary cover mechanism is used for opening and closing a tube cap on the test tube. According to the invention, the sampling swab is broken in the test tube on the rotary test tube disc mechanism through the clamping mechanism, the broken swab rod is transferred into the recovery mechanism, the tube cap on the test tube is opened and closed through the cover screwing mechanism, the sampling swab can be automatically broken, the pharyngeal swab sample is automatically collected and stored in the sampling test tube, the tube cap on the test tube can be automatically opened and closed, the pharyngeal swab sample and the contact between the test tube and personnel are reduced, the infection risk is reduced, the working efficiency of nucleic acid sampling can be improved, and the labor cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of an automated nucleic acid sample collection apparatus clamping a sample swab according to an embodiment of the present invention;

FIG. 2 is a schematic view illustrating a state in which a sampling swab is transferred to the automated nucleic acid sample collection apparatus according to the embodiment of the present invention;

FIG. 3 is a schematic view of an automated nucleic acid sample collection device according to an embodiment of the present invention in a state of swinging a sampling swab;

FIG. 4 is a schematic view of an automated nucleic acid sample collection device according to an embodiment of the present invention showing a broken sample swab;

FIG. 5 is a schematic view of the state of an automated nucleic acid sample collection apparatus collecting swab rods according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a gripping mechanism according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a clamping substrate according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a first swing assembly according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a second rotating assembly according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a robot provided in an embodiment of the present invention;

FIG. 11 is a schematic view of the working state of the rotating cuvette tray mechanism according to the embodiment of the present invention;

FIG. 12 is a schematic structural diagram of a rotary cuvette tray mechanism according to an embodiment of the present invention;

FIG. 13 is a structural diagram illustrating a rotating cuvette tray mechanism according to an embodiment of the present invention in a bottom view;

FIG. 14 is a schematic structural view of a fourth driven gear provided in the embodiment of the present invention;

FIG. 15 is a schematic structural diagram of a locking assembly according to an embodiment of the present invention;

FIG. 16 is a schematic structural diagram of a cap screwing mechanism according to an embodiment of the present invention;

fig. 17 is a schematic view of another perspective structure of the cap screwing mechanism according to the embodiment of the present invention;

FIG. 18 is a schematic perspective view of a screw cap assembly according to an embodiment of the present invention;

FIG. 19 is a schematic view of an assembled three-jaw covering clamp according to an embodiment of the present invention;

FIG. 20 is an exploded view of a spin cover assembly provided in accordance with an embodiment of the present invention;

fig. 21 is an assembly structure view of the cam switch provided in the embodiment of the present invention;

wherein, in the figures, the respective reference numerals:

100. a gripping mechanism; 200. a work table; 300. a storage mechanism; 400. a rotating test tube tray mechanism; 500. a recovery mechanism; 600. a cap screwing mechanism; 700. sampling a swab; 800. a test tube; 110. clamping the substrate; 120. a first swing assembly; 130. a second rotating assembly; 140. a manipulator; 111. a first rotating shaft; 112. a first bearing; 121. a first rotary driver; 122. a first drive gear; 123. a first driven gear; 124. a crank; 125. a first rotating arm; 126. a third sensor; 124a, a stem; 124b, a handle arm; 131. a second rotary driver; 132. a second driving gear; 133. a second driven gear; 134. a second rotating arm; 141. a third rotary driver, 142, a third drive gear; 143. a first drive rack; 144. a second drive rack; 145. a first clamping member; 146. a second clamping member; 147. a clamp portion; 310. a cotton swab barrel; 320. a first sensor; 311. a funnel part; 312. the bottom of the cylinder rod; 410. a fourth rotary drive; 420. a fourth driving gear; 430. a fourth driven gear; 440. rotating the disc; 450. a turntable housing; 460. a bar code printer; 470. a locking assembly; 431. a turntable spindle; 441. mounting grooves; 442. a second sensor; 451. a turntable housing body; 452. a first opening; 453. a second opening; 454. a rotating cover; 455. a cover rotating shaft; 456. a cover turning handle; 457. a rotating cover limiting part; 471. a butting rod; 472. a locking spring; 473. abutting the bearing; 474. a limiting shaft; 610. screwing a vertical plate; 620. a fifth moving assembly; 630. a cap screwing assembly; 640. screwing the cover shell; 650. a cap screwing driving member; 660. a three-jaw grip cover; 670. a cam switch; 680. a rotation height detection member; 621. a fifth rotary drive; 622. a fifth driving gear; 623. a fifth drive rack; 624. a fifth slider; 641. screwing the cover substrate; 642. screwing the cover and standing the cover; 643. an electronic slip ring; 651. a sixth rotary drive; 652. a sixth driving gear; 653. a sixth driven gear; 654. a sixth housing; 661. a sleeve; 662. a three-jaw clamp plate; 663. a cover-screwing pressure spring; 664. a cap screwing spring; 665. a planar thrust bearing; 662a, a first jaw plate 662a;662b, a second jaw plate 662b; 6621. a clamp plate abutting portion; 6622. a splint hinge; 6623. clamping the bottom of the cylinder; 6624. a clamping ring portion; 671. a seventh rotary drive; 672. an elliptical cam; 673. a cam fixing seat; 681. a microswitch; 682. a contact ring; 710. a cotton swab rod; 810. and (4) a pipe cap.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

Referring to FIG. 1, the present embodiment provides an automated nucleic acid sample collection apparatus, comprising: a storage mechanism 300, a rotary test tube tray mechanism 400, a recovery mechanism 500, a gripping mechanism 100, and a cap screwing mechanism 600 mounted on the table 200; the automated nucleic acid sample collection device collects and detects the sampling swab 700 through the receiving mechanism 300, then the clamping mechanism 100 clamps the sampling swab 700 in the receiving mechanism 300 and transfers the sampling swab 700 into the test tube 800 on the rotary test tube tray mechanism 400 for breaking, then the clamping mechanism 100 transfers the broken swab rod 710 into the recovery mechanism 500, and the cap screwing mechanism 600 is used for opening and closing the cap 810 on the test tube 800.

The nucleic acid sample collection step of the present invention comprises:

s11, the cap screwing mechanism 600 automatically opens the tube cap 810 of the test tube 800 on the rotary test tube tray mechanism 400, so that the test tube 800 is in an open state;

s12, the receiving mechanism 300 collects and detects the sampling swab 700, please refer to fig. 1;

s13, the gripping mechanism 100 grips the sampling swab 700 and transfers the sampling swab 700 to the test tube 800 of the rotating test tube tray mechanism 400, please refer to fig. 1 and 2;

s14, the grasping mechanism 100 fractures the sampling swab 700 by swinging itself, and the pharyngeal swab sample falls into the test tube 800, please refer to fig. 3 and 4;

s15, the picking mechanism 100 transfers the broken cotton swab rod 710 into the recovery mechanism 500, please refer to fig. 5, and then the cap screwing mechanism 600 automatically closes the cap 810 of the test tube 800, so that the test tube 800 is in a closed state.

For example, in the using process, the cap 810 of the test tube 800 on the rotary tube tray mechanism 400 may be automatically opened by the cap screwing mechanism 600, then the sampling swab 700 is put into the receiving mechanism 300, then the picking mechanism 100 automatically picks up the sampling swab 700 and transfers the sampling swab 700 into the test tube 800 on the rotary tube tray mechanism 400, the picking mechanism 100 breaks the sampling swab 700 by swinging itself, the pharyngeal swab sample drops into the test tube 800, the automatic collection of the pharyngeal swab sample may be completed, then the picking mechanism 100 transfers the broken cotton rod 710 into the recovery mechanism 500, for example, the broken cotton rod 710 is thrown into a trash can, a counting sensor may be disposed at the position of the test tube 800 on the rotary tube tray mechanism 400, the pharyngeal swab sample dropped into the pharyngeal swab sample may be automatically counted by the counting sensor, for example, 10 or 5 pharyngeal swab samples may be placed in one test tube 800, after the counting is completed, the tube cap 810 of the test tube 800 on the rotary tube tray mechanism 400 is automatically closed by the cap screwing mechanism 600, the test tube 800 that the test tube 800 has been picked up may be transferred into the test tube tray mechanism 400, and waits for the test tube 800 to be transferred into the test tube tray mechanism 400.

According to the invention, the sampling swab 700 is broken in the test tube 800 on the rotary test tube disc mechanism 400 through the clamping mechanism 100, the broken swab rod 710 is transferred into the recovery mechanism 500, the cap 810 on the test tube 800 is opened and closed through the cap screwing mechanism 600, the sampling swab 700 can be automatically broken, the pharynx swab sample can be automatically collected and stored in the sampling test tube 800, the cap 810 on the test tube 800 can be automatically opened and closed, the pharynx swab sample and the contact between the test tube 800 and personnel can be reduced, the infection risk can be reduced, the nucleic acid sampling work efficiency can be improved, and the labor cost can be reduced.

Preferably, referring to fig. 6, the gripping mechanism 100 includes: the clamping device comprises a clamping substrate 110, a first swing assembly 120, a second swing assembly 130 and a manipulator 140, wherein the first swing assembly 120 is rotatably connected with the clamping substrate 110, the second swing assembly 130 is arranged at one end of the first swing assembly 120 far away from the clamping substrate 110, the second swing assembly 130 is rotatably connected with the first swing assembly 120, and the manipulator 140 is arranged at one end of the second swing assembly 130 far away from the first swing assembly 120.

In this embodiment, the manipulator 140 is used for clamping the sampling swab 700, the manipulator 140 can rotate through the drive of the second rotating assembly 130, and then the sampling swab 700 is transferred to the test tube 800 on the tray transferring mechanism of the test tube 800 in the accommodating mechanism 300, the second rotating assembly 130 can rotate along the clamping of the substrate 110 through the drive of the first swinging assembly 120, the sampling swab 700 can be broken in the test tube 800, the manipulator 140 can rotate in the reverse direction through the drive of the second rotating assembly 130, and then the broken swab rod 710 is transferred to the recovery mechanism 500.

Preferably, referring to fig. 7 and 8, the first swing element 120 includes: first rotary actuator 121, first driving gear 122, first driven gear 123, crank 124 and first pivoted arm 125, first driving gear 122 is connected with first rotary actuator 121 transmission, first driven gear 123 meshes with first driving gear 122 mutually, crank 124 sets up on first driven gear 123, and crank 124 one end rotates with first driven gear 123 to be connected, first pivoted arm 125 one end with press from both sides get base plate 110 and rotate to be connected, the middle part is connected with the one end rotation that first driven gear 123 was kept away from to crank 124, the other end rotates with second rotating assembly 130 and is connected. For example, the clamping substrate 110 is fixedly provided with a first rotating shaft 111, the first rotating shaft 111 is provided with a set of first bearings 112, and the first rotating arm 125 is rotatably connected with the first rotating shaft 111 through the set of first bearings 112. Wherein, the first driven gear 123 is provided with the third sensor 126 on one side, the third sensor 126 is used for monitoring the rotation angle of the first driven gear 123, so as to control the swing and reset of the first rotating arm 125, the crank 124 comprises a handle shaft 124a and a handle arm 124b connected with the handle shaft 124a, the structure is simple, the transmission power is large, and the realization is easy.

In this embodiment, the first driving gear 122 can be driven by the first rotary driver 121 to rotate, so as to drive the first driven gear 123 to rotate, the first driven gear 123 drives the crank 124 to move, and the first rotating arm 125 is driven by the crank 124 to reciprocate along the clamping substrate 110.

For example, referring to fig. 1-5, with the manipulator 140 in the vertical state as the initial state, the sampling swab 700 is broken and collected by the collecting step including:

s21, inserting the sampling swab 700 into the receiving mechanism 300, and detecting the sampling swab 700 by the receiving mechanism 300;

s22, the second rotating assembly 130 rotates 90 degrees anticlockwise, and then the manipulator 140 is closed to clamp the sampling swab 700;

s23, then the first rotary driver 121 drives the first driving gear 122 to rotate counterclockwise by 370 °, the crank 124 drives the first rotating arm 125 to swing counterclockwise and then to ascend by a certain height, and meanwhile, the second rotating assembly 130 rotates clockwise by 170 ° to insert the sampling swab 700 into the test tube 800;

s24, then the first rotary driver 121 drives the first driving gear 122 to rotate counterclockwise by 45 °, and the crank 124 drives the first rotating arm 125 to make the sampling swab 700 abut against the test tube 800;

s25, driving the first driving gear 122 to rotate clockwise by 190 degrees by the first rotary driver 121, and driving the first rotating arm 125 to swing by the crank 124 so as to break the sampling swab 700;

s26, then the second rotating assembly 130 transfers the broken cotton swab rod 710 into the recovery mechanism 500 counterclockwise by 170 °, and the first rotating driver 121 drives the first driving gear 122 to rotate counterclockwise by 370 ° and then stand by;

s27, the robot 140, the first swing module 120 and the second swing module 130 return to the initial position for standby.

In this embodiment, the first rotating arm 125 is driven by the crank 124 to swing back and forth along the clamping substrate 110, and the sampling swab 700 can be inserted into the test tube 800 by combining with the rotation of the second rotating assembly 130, so that the sampling swab 700 can swing back and forth along the test tube 800 to break, and the damage to the test tube 800 in the process of breaking the sampling swab 700 can be prevented.

Preferably, referring to fig. 9, the second rotating assembly 130 includes: the second rotating driver 131, the second driving gear 132, the second driven gear 133, and the second rotating arm 134, wherein the second driving gear 132 is in transmission connection with the second rotating driver 131, the second driven gear 133 is engaged with the second driving gear 132, the second rotating arm 134 is rotatably connected to the first rotating arm 125 of the first swing assembly 120, and the second rotating arm 134 is in transmission connection with the second driven gear 133.

In this embodiment, the second rotating arm 134 is fixedly connected to the manipulator 140, and the second driving gear 132 can be driven by the second rotating driver 131 to rotate, so as to drive the second driven gear 133, and the second driven gear 133 drives the second rotating arm 134 to rotate, so as to enable the second rotating arm 134 to drive the manipulator 140 to rotate, thereby enabling the manipulator 140 to move the sampling swab 700.

Preferably, referring to fig. 10, the robot 140 includes: the third rotating driver 141, the third driving gear 142, the first driving rack 143, the second driving rack 144, the first clamping member 145 and the second clamping member 146, the third driving gear 142 is connected with the third rotating driver 141 in a transmission manner, the first driving rack 143 is meshed with the third driving gear 142, the second driving rack 144 and the first driving rack 143 are oppositely arranged in parallel, the first clamping member 145 is fixed on the first driving rack 143, the second clamping member 146 is fixed on the second driving rack 144, and the second clamping member 146 and the first clamping member 145 are arranged in parallel.

In this embodiment, the third driving gear 142 can be driven by the third rotary driver 141 to rotate, and further can drive the first transmission rack 143 and the second transmission rack 144 to move along the second rotating arm 134, the first transmission rack 143 drives the first clamping member 145 to move, the second transmission rack 144 drives the second clamping member 146, wherein the moving directions of the first transmission rack 143 and the second transmission rack 144 are opposite, and the second clamping member 146 and the first clamping member 145 are distributed in parallel, that is, the third rotary driver 141 drives the first clamping member 145 and the second clamping member 146 to open and close, so as to clamp and release the sampling swab 700 by the manipulator 140. For example, the first clamping member 145 is perpendicular to the first transmission rack 143, the second clamping member 146 is perpendicular to the second transmission rack 144, a clamping portion 147 is disposed at one end of the first clamping member 145, which is far away from the first transmission rack 143, and a clamping portion 147 matched with the first clamping member 145 is disposed at one end of the second clamping member 146, which is far away from the second transmission rack 144, so that the clamping portion 147 can clamp and release the sampling swab 700 by driving the third rotary driver 141.

Preferably, referring to fig. 1, fig. 11 and fig. 12, the rotating cuvette tray mechanism 400 includes: the carousel casing 450, fourth rotary actuator 410, fourth driving gear 420, fourth driven gear 430, the rotary disk 440 that has a plurality of mounting grooves 441, locking assembly 470, bar code printer 460, fourth driving gear 420 is connected with fourth rotary actuator 410 transmission, fourth driven gear 430 meshes with fourth driving gear 420, rotary disk 440 passes through carousel pivot 431 (shown in fig. 14) and is connected with fourth driven gear 430 transmission, mounting groove 441 is used for installing test tube 800, locking assembly 470 is used for carrying out the locking spacing to test tube 800 in mounting groove 441, bar code printer 460 is used for printing the bar code to test tube 800, wherein bar code printer 460 is prior art, bar code printer 460's specific structure is no longer described herein repeatedly.

In this embodiment, the rotating disc 440 is covered with a rotating disc housing 450, a fourth rotary driver 410 is provided in the rotating disc housing 450, the fourth driving gear 420 is driven by the fourth rotary driver 410 to rotate, and then the fourth driven gear 430 is driven to rotate, the fourth driven gear 430 drives the rotating disc 440 to rotate, and the rotating disc 440 can drive the test tube 800 to rotate.

Preferably, referring to fig. 1, the turntable housing 450 includes a turntable housing body 451, a first opening 452, a second opening 453 and a rotating cover 454, the turntable housing body 451 is respectively opened with the first opening 452 and the second opening 453, the rotating cover 454 is rotatably connected to the turntable housing body 451, the second opening 453 has a first state exposed to the turntable housing body 451 and a second state hidden under the rotating cover 454 by the rotation of the rotating cover 454, wherein the first opening 452 is used for inserting the test tube 800 into the sampling swab 700, the second opening 453 is used for mounting the test tube 800 on the rotating disc 440, the locking assembly 470 and the barcode printer 460 are both located on the side of the first opening 452 of the rotating disc 440, and a second sensor 442 is located on one side of the second opening 453. For example, the rotary cover 454 is rotatably connected to the rotary cover case body 451 through a rotary cover shaft 455, the rotary cover 454 is provided with a rotary cover handle 456, the rotary cover case body 451 is provided with rotary cover stoppers 457 on both sides of the second opening 453, the rotary cover 454 can be rotated by driving the rotary cover handle 456, and the rotary cover stoppers 457 can limit the rotation range of the rotary cover 454, thereby facilitating use.

Referring to fig. 13 and 15, the locking assembly 470 includes a butting rod 471, a locking spring 472, a butting bearing 473 and a limiting shaft 474, the limiting shaft 474 is fixed on the worktable 200, the butting bearing 473 is sleeved on the limiting shaft 474, and the butting bearing 473 can rotate along the limiting shaft 474, the butting rod 471 can be slidably connected to the mounting groove 441 of the rotating disc 440, the locking spring 472 is sleeved on the butting rod 471, one end of the locking spring 472 abuts against the butting rod 471, and the other end abuts against the rotating disc 440, when a certain mounting groove 441 on the rotating disc 440 rotates to the position of the first opening 452, the butting rod 471 abuts against the butting bearing 473, so that the butting rod 471 moves into the mounting groove 441, the butting rod 471 can abut against the test tube 800, thereby fixing and limiting the test tube 800, at this time, the locking spring is in a compressed state, the rotating disc 440 continues to rotate, so that the butting rod 471 is separated from the butting bearing 473, at this time, the locking spring 472 can be elastically deformed, so that the butting rod 471 can be retracted from the mounting groove 441, the test tube 800 can be abutted against the test tube 800, and the opening can be conveniently opened, and the locking cap can be conveniently inserted into the contact with the test tube 700, and the sampling cap.

For example, referring to fig. 1 and 11, the loading step of the rotating test tube tray mechanism 400 includes:

s31, starting the rotary test tube tray mechanism 400 to enable the rotary test tube tray mechanism 400 to be in an installation state;

s32, inserting the test tube 800 into the mounting groove 441 of the rotating disk 440 from the second opening 453;

s33, the second sensor 442 detects the test tube 800 in the mounting groove 441, and the fourth rotary driver 410 drives the fourth driving gear 420 to rotate, so that the rotary disc 440 rotates 18 ° (taking the example that 20 mounting grooves 441 are provided on the rotary disc 440);

s34, returning to the step S32, repeating the operation for 19 times in an accumulated way until all the installation grooves 441 on the rotating disc 440 are provided with the test tubes 800, and closing the rotating cover 454 to enable the second opening 453 to be hidden under the rotating cover 454;

the unloading step of the rotating test tube tray mechanism 400 includes:

s35, starting the rotary test tube tray mechanism 400 to enable the rotary test tube tray mechanism 400 to be in an unloading state;

s36, opening the rotating cover 454 to enable the second opening 453 to be in the first state, that is, the second opening 453 is exposed on the turntable shell body 451;

s37, pulling out the test tube 800 at the position of the second opening 453;

s38, the second sensor 442 detects that the test tube 800 in the mounting groove 441 is pulled out, and the fourth rotary driver 410 drives the fourth driving gear 420 to rotate, so that the rotating disc 440 rotates by 18 degrees;

s39, return to step S37, and so on, rotate 19 times in an accumulated manner until all the test tubes 800 in the mounting grooves 441 on the rotary disk 440 are pulled out, and close the rotary cover 454 so that the second opening 453 is hidden under the rotary cover 454.

Preferably, referring to fig. 1, the receiving mechanism 300 includes: the swab cylinder 310 comprises a funnel part 311 and a cylinder rod bottom part 312 communicated with the funnel part 311, and the first sensor 320 is used for detecting a sampling swab 700 in the cylinder rod bottom part 312. In this embodiment, funnel part 311 is and leaks hopper-shaped, it can make things convenient for sampling swab 700 to insert barrel mast bottom 312 to leak hopper-shaped, barrel mast bottom 312 is cylindricly, and cooperate with sampling swab 700, by funnel-shaped funnel part 311 slip until barrel mast bottom 312, can make things convenient for sampling swab 700 to insert barrel mast bottom 312, can make things convenient for sampling swab 700 to return the position again, make sampling swab 700 stand upright in cotton swab section of thick bamboo 310, first sensor 320 is used for detecting sampling swab 700 in barrel mast bottom 312, make things convenient for manipulator 140 to press from both sides and get sampling swab 700, can realize the sampling swab 700 in automatic identification detection cotton swab section of thick bamboo 310.

Referring to fig. 1, the recycling mechanism 500 may be disposed inside the workbench, and may be understood as a recycling opening formed on the workbench, a trash can or a trash bag disposed below the recycling opening, and the swab rod 710 may be directly thrown into the trash can or the trash bag by the gripping mechanism 100.

Preferably, referring to fig. 16 and 17, the cap screwing mechanism 600 includes: the cap screwing vertical plate 610, the fifth moving assembly 620 and the cap screwing assembly 630, the fifth moving assembly 620 is slidably connected to the cap screwing vertical plate 610, the cap screwing assembly 630 is fixedly connected to the fifth moving assembly 620, please refer to fig. 18, fig. 19 and fig. 20, the cap screwing assembly 630 includes: the cap screwing housing 640, the cap screwing driving member 650, the three-jaw cap clamping member 660, the cam switching member 670 and the rotation height detecting member 680, wherein the cap screwing driving member 650 is disposed on the cap screwing substrate 641 of the cap screwing housing 640, the three-jaw cap clamping member 660 is in transmission connection with the cap screwing driving member 650, the three-jaw cap clamping member 660 is driven by the cap screwing driving member 650 to rotate along the cap screwing substrate 641 of the cap screwing housing 640, the three-jaw cap clamping member 660 is in sliding connection with the cap screwing substrate 641 of the cap screwing housing 640, the cam switching member 670 is connected with the three-jaw cap clamping member 660, the three-jaw cap clamping member 660 is driven by the cam switching member 670 to have a first state of clamping the cuvette cap 810 and a second state of loosening the cuvette cap 810, the rotation height detecting member 680 is fixed on the three-jaw cap clamping member 660, and the rotation height detecting member 680 is used for measuring the rising or falling height of the three-jaw cap clamping member 660.

In this embodiment, the cap screwing component 630 can move up and down along the cap screwing vertical plate 610 by being driven by the fifth moving component 620, that is, the adjustment of the relative height between the cap screwing component 630 and the test tube 800 or the tube cap 810 can be realized by being driven by the fifth moving component 620, and the cap screwing component is simple in structure and convenient to use. The three-jaw cap clamping component 660 is used for clamping the tube cap 810, the three-jaw cap clamping component 660 can rotate along the cap screwing shell 640 through being driven by the cap screwing driving component 650, the three-jaw cap clamping component 660 can slide relative to the cap screwing base plate 641 of the cap screwing shell 640, when the three-jaw cap clamping component 660 clamps the tube cap 810 to rotate, for example, when the cap is opened and the cap is lifted, the cap screwing driving component 650 can drive the three-jaw cap clamping component 660 to slide upwards along the cap screwing base plate 641 of the cap screwing shell 640, or when the cap is closed and the cap is descended, the cap screwing driving component 650 can drive the three-jaw cap clamping component 660 to slide downwards along the cap screwing base plate 641 of the cap screwing shell 640, and therefore automatic cap opening and cap closing of the tube cap 810 by the cap screwing component 630 are achieved.

Referring to fig. 16, the fifth moving element 620 includes: the fifth rotating driver 621, a fifth driving gear 622, a fifth transmission rack 623 and a fifth slider 624, wherein the fifth driving gear 622 is in transmission connection with the fifth rotating driver 621, the fifth transmission rack 623 is meshed with the fifth driving gear, the fifth slider 624 is fixedly connected with the fifth transmission rack 623, and the fifth slider 624 is in sliding connection with the spiral cover vertical plate 610.

In this embodiment, the fifth driving gear 622 is driven by the fifth rotary driver 621 to rotate, so as to drive the fifth transmission rack 623 to move, and the fifth transmission rack 623 drives the cap screwing assembly 630 to move up and down along the cap screwing vertical plate 610, that is, the cap screwing assembly 630 is driven by the fifth rotary driver 621 to move up and down.

Preferably, referring to fig. 20, the cap screwing driving member 650 includes: a sixth rotary actuator 651, a sixth drive gear 652, a sixth driven gear 653, wherein the sixth rotary actuator 651 is disposed on the screw cap case 640, the sixth drive gear 652 is in driving connection with the sixth rotary actuator 651, and the sixth driven gear is meshed with the sixth drive gear 652. The cover-rotating housing 640 includes a cover-rotating base plate 641 and a cover-rotating vertical cover disposed on the cover-rotating base plate 641, wherein the cover-rotating base plate 641 is provided with a sixth rotary driver 651, a sixth driving gear 652 and a sixth driven gear 653.

In this embodiment, a sixth casing 654 is disposed on the sixth rotary driver 651, the sixth casing 654 is used for protecting the sixth rotary driver 651, the sixth driving gear 652 is driven by the sixth rotary driver 651 to rotate, so as to drive the sixth driven gear 653 to rotate, the sixth driven gear 653 drives the three-jaw clamping cover member 660 to rotate along the screw-cover base plate 641, that is, the three-jaw clamping cover member 660 is driven by the sixth rotary driver 651 to rotate, so as to open and close the cuvette cap 810, and the structure is simple, and the transmission is stable and efficient.

Referring to fig. 19 and 20, the three-jaw clamping cover 660 includes a sleeve 661, a set of three-jaw clamping plates 662, a cap-rotating pressure spring 663, a cap-rotating spring 664 and a planar thrust bearing 665, wherein the upper end of the set of three-jaw clamping plates 662 is embedded in the sleeve 661, the set of three-jaw clamping plates 662 is abutted against the sleeve 661 through the cap-rotating pressure spring 663, the middle of the set of three-jaw clamping plates 662 is hinged in the sleeve 661, the lower end of the set of three-jaw clamping plates 662 extends out of the sleeve 661, the cap-rotating spring 664 is sleeved on the lower end of the set of three-jaw clamping plates 662, one end of the cap-rotating spring 664 is abutted against the sleeve 661, the other end of the cap-rotating spring 664 is abutted against the set of three-jaw clamping plates 662, and the planar thrust bearing 665 is disposed at the abutting position of the cap-rotating spring 664 and the set of three-jaw clamping plates 662, wherein the sleeve 661 is embedded on the cap substrate 641 and the sleeve 661 can slide up and down along the cap substrate 641.

Referring to fig. 20, the cam switching member 670 includes a seventh rotary driver 671, an elliptical cam 672 and a cam fixing seat 673, the seventh rotary driver 671 is fixed on the sleeve 661 of the three-jaw clamping member 660 through the cam fixing seat 673, the seventh rotary driver 671 is in transmission connection with the elliptical cam 672, the elliptical cam 672 is embedded at the upper end of the set of three-jaw clamping plates 662, and the elliptical cam 672 is driven by the seventh rotary driver 671 to rotate at the upper end of the set of three-jaw clamping plates 662.

In this embodiment, referring to fig. 21, a set of three-jaw clamping plates 662 includes a first jaw 662a and a second jaw 662b, the first jaw 662a is hinged to the second jaw 662b, upper ends of the first jaw 662a and the second jaw 662b are abutted to a sleeve 661 by a cap-rotating compression spring 663, and a cap-rotating spring 664 is interposed between the upper ends of the first jaw 662a and the second jaw 662b, lower ends of the first jaw 662a and the second jaw 662b extend out of the sleeve 661, wherein the cam element 670 includes a seventh rotary driver 671 and an elliptical cam 672 having a major axis and a minor axis, the elliptical cam 672 is driven by the seventh rotary driver 671 and having a major axis which is respectively abutted to the first jaw 662a and the second jaw 662b, such that the set of three-jaw clamping plates is in a state, and the cap-rotating switching mechanism is capable of preventing the cap 662a from being deformed by the first jaw 662a rotating under a simple state of being switched from a major axis 663 to a minor axis 662b by the spring 663, and the spring 672 being in a state of being switched from being in a state of being in which the second jaw 662a simple state of being pressed by the spring 662a short axis of the cam follower 662a short axis, and being switched from being pressed by the second jaw 662a short axis, and a spring 662b, the spring 662b, and a simple state being switched from a short axis under a state being pressed by the spring 662a short axis of the spring 662a simple state being pressed by the spring 662a short axis of the switch mechanism 662 b.

For example, the first jaw 662a includes a jaw abutment portion 6621, a jaw abutment portion 6622, a clamping cylinder bottom portion 6623 and a clamping ring portion 6624, the second jaw 662b also includes a jaw abutment portion 6621, a jaw abutment portion 6622, a clamping cylinder bottom portion 6623 and a clamping ring portion 6624, the first jaw 662a is hinged to the middle portion of the second jaw 662b through the jaw abutment portion 6622, the upper end of the jaw abutment portion 6622 is provided with a jaw abutment portion 6621, the two jaw abutment portions 6621 form a sandwich space in which the cam switch member 670 is clamped, the clamping cylinder bottom portion 6623 is located at the lower end of the jaw abutment portion 6622, the clamping ring portion 6624 is connected to the clamping cylinder bottom portion 6623, the clamping cylinder bottom portion 6623 is adapted to abut against the top of the pipe cap 810, the first jaw 662a cooperates with the clamping ring portion 6624 of the second jaw portion 66b to form a movable accommodating space 662 with the pipe cap 810, and clamping and unclamping of the pipe cap 810 can be realized by hinging of the jaw portion 6622.

In this embodiment, the height of the sixth driving gear 652 is greater than that of the sixth driven gear 653, the sixth driven gear 653 can move up or down along the sixth driving gear 652, for example, the sixth driving gear 652 drives the sixth driven gear 653 to rotate, the sixth driven gear 653 drives the three-jaw cover 660 to rotate along the spin cover housing 640, the three-jaw cover 660 clamps the cap 810 of the cuvette 800, the three-jaw cover 660 can drive the cap 810 to rotate, for example, the cap 810 can be driven to rotate up along the cuvette 800 by the three-jaw cover 660, at this time, the cap 810 can drive the three-jaw cover 660 to slide up along the spin cover housing 640, the three-jaw cover 660 drives the sixth driven gear 653 to slide up along the sixth driving gear 652, and the rising heights of the three-jaw cover 660 and the cap 810 can be measured by the rotation height detecting element 680, and when the three-jaw cover 660 rises to a predetermined height, the driving of the sixth rotation driver 651 can be stopped.

Moreover, the cap screwing spring 664 is sleeved at the lower ends of the first and

second jaw plates

662a and 662b, the sixth driving gear 652 drives the sixth driven gear 653 to rotate, when the sixth driven gear 653 drives the three-jaw cap 660 to slide upwards along the cap screwing housing 640, the three-jaw cap 660 generates an acting force on the fifth driving rack 623 through the cap screwing housing 640, and since the cap screwing spring 664 is in a compressed state during the upwards sliding process of the three-jaw cap 660, the cap screwing spring 664 can reduce or offset the acting force of the cap screwing housing 640 on the fifth driving rack 623, and meanwhile, the cap screwing spring 664 can also slow down the rising speed of the three-jaw cap 660 and the sixth driven gear 653, and can prevent the three-jaw cap 660 and the sixth driven gear 653 from further rising, and can prevent the sixth driven gear 653 from disengaging from the sixth driving gear 652.

When the cap is closed (the cap 810 is closed on the test tube 800), the fifth driving gear 622 is driven by the fifth rotary driver 621 to rotate, the cap screwing assembly 630 moves downwards until the cap 810 in the three-jaw cap clamping component 660 is sleeved on the test tube 800, the cap screwing spring 664 can play a role in buffering when the cap 810 abuts against the test tube 800, the cap screwing spring 664 is compressed before the cap 810 is screwed tightly, and the three-jaw cap clamping component 660 is driven by the cap screwing spring 664 to provide pre-pressure towards the test tube 800 for the cap 810, so that the cap 810 can be conveniently rotated towards the test tube 800.

The rotation height detecting member 680 may include a micro switch 681 and a contact ring 682, the contact ring 682 may be fixedly connected to the sleeve 661, for example, the contact ring 682 is fixed to the seventh rotation driver 671, the micro switch 681 is fixed to the cap-rotating standing cover 642 on the cap-rotating standing plate 610, and the micro switch 681 abuts against the contact ring 682, the contact ring 682 rotates along with the seventh rotation driver 671 by being driven by the sixth rotation driver 651, that is, the contact ring 682 moves up or down along with the sixth driven gear 653 and the three-jaw clamp cover 660, and the micro switch 681 can measure the height of the three-jaw clamp cover 660 by abutting against the contact ring 682.

In this embodiment, the seventh rotary driver 671 is fixed on the sleeve 661 of the three-jaw cover 660 by the cam fixing seat 673, that is, the seventh rotary driver 671 rotates along with the sleeve 661, wherein the cover-rotating housing 642 is provided with the electronic slip ring 643, and the electronic slip ring 643 is used for connecting the seventh rotary driver 671 and the sixth rotary driver 651, thereby preventing the wires from being wound.

Specifically, the step of opening the cap 810 of the test tube 800 by the cap screwing mechanism 600 includes:

s41, fixing the test tube 800: the test tube tray rotating mechanism 400 is rotated, so that the test tube 800 is exposed at the position of the first opening 452, and at the moment, the abutting rod 471 in the locking assembly 470 abuts against the test tube 800, and the test tube 800 is fixed and limited;

s42, clamping the cap 810: the seventh rotary driver 671 drives the cam switch 670 to rotate, so that the long axis of the cam switch 670 abuts against the upper ends of the first jaw 662a and the second jaw 662b, at this time, the set of three jaw 662 is in an open state, the fifth rotary driver 621 drives the fifth driving gear 622 to rotate, the cap screwing component 630 moves downwards until the set of three jaw 662 is sleeved on the cap 810 of the test tube 800, and the seventh rotary driver 671 drives the cam switch 670 to rotate, so that the short axis of the cam switch 670 abuts against the upper ends of the first jaw 662a and the second jaw 662b, and the set of three jaw 662 clamps 810 of the test tube 800 are clamped;

s43, rotating the cap 810: the sixth driving gear 652 is driven to rotate by a sixth rotary driver 651, the sixth driving gear 652 drives a sixth driven gear 653 to rotate, the sixth driven gear 653 drives a three-jaw clamping cover element 660 to rotate, the three-jaw clamping cover element 660 drives the tube cap 810 to ascend along the screw cap shell 640 until the tube cap 810 is completely separated from the test tube 800, the tube cap 810 of the test tube 800 is opened, the ascending height of the tube cap 810 can be known by the rotary height detecting element 680, the sixth rotary driver 651 stops, and the three-jaw clamping cover element 660 stops rotating.

The step of closing the cap 810 of the test tube 800 by the cap screwing mechanism 600 comprises:

s44, aligning the test tube 800: the fifth rotary driver 621 drives the fifth driving gear 622 to rotate, and the cap screwing assembly 630 moves downwards, so that the tube cap 810 in the three-jaw cap clamping component 660 abuts against the test tube 800;

s45, rotating the cap 810 to the test tube 800: the sixth driving gear 652 is driven by the sixth rotary driver 651 to rotate in a reverse direction, so as to drive the three-jaw clamping cover 660 to rotate in a reverse direction, so that the cap 810 rotates downwards along the test tube 800, and the descending height of the cap 810 can be known by the rotary height detector 680 until the cap 810 is closed on the test tube 800;

s46, loosening the pipe cap 810: the seventh rotary driver 671 drives the cam switch 670 to rotate, so that the long shaft of the cam switch 670 contacts with the upper ends of the first jaw 662a and the second jaw 662b, respectively, and at this time, the set of three jaw 662 is in an open state, i.e., the set of three jaw 662 releases the pipe cap 810.

In step S42, the cap screwing assembly 630 moves downward until the set of three-jaw clamping plates 662 are sleeved on the cap 810 of the test tube 800, at this time, the set of three-jaw clamping plates 662 abut against the cap 810 of the test tube 800, the cap screwing spring 664 can play a role in buffering, in step S43, the three-jaw clamping cover 660 drives the cap 810 to ascend along the cap screwing housing 640, and the cap screwing spring 664 is compressed to reduce or offset the acting force of the cap screwing housing 640 on the fifth transmission rack 623. In step S44, the cap screwing assembly 630 moves downwards, so that the cap 810 inside the three-jaw cap clamping component 660 abuts against the test tube 800, the cap screwing spring 664 can play a role in buffering when the cap 810 abuts against the test tube 800, and meanwhile, when the three-jaw cap clamping component 660 is driven to rotate reversely, so that the cap 810 rotates downwards along the test tube 800, the cap screwing spring 664 can provide a downward pre-pressure for the cap 810, and the cap 810 can rotate downwards along the test tube 800 conveniently.

In this embodiment, can realize reciprocating of spiral cover subassembly 630 through fifth removal subassembly 620, it is used for pressing from both sides tight and unclamp test tube pipe cap 810 through three-jaw clamp lid piece 660, three-jaw clamp lid piece 660 cooperation cam switching piece 670 can realize pressing from both sides tight and the switching that unclamps test tube pipe cap 810, can realize the rotation to test tube pipe cap 810 through the drive of sixth rotary actuator 651, and then can realize opening and closed automation of test tube pipe cap 810, and the design is ingenious, convenient and practical. In this embodiment, the cap screwing component 630 is driven by the fifth moving component 620 to vertically move up and down, it should be understood that the cap screwing component 630 may also vertically move up and down in combination with the lateral movement, that is, the cap screwing component 630 may provide an avoiding space for the clamping mechanism 100 by vertically moving up and down in combination with the lateral movement, and the rising height of the cap screwing component 630 may be saved, for example, the fifth moving component 620 is fixed on a certain moving component, and the certain moving component may move laterally.

In summary, the present invention provides an automated nucleic acid sample collecting device, which includes a receiving mechanism, a rotating tube tray mechanism, a recovery mechanism, a clamping mechanism and a cap screwing mechanism, the receiving mechanism is mounted on a workbench, the clamping mechanism is used for clamping a sampling swab in the receiving mechanism and transferring the sampling swab to a tube on the rotating tube tray mechanism for breaking, the clamping mechanism then transfers a broken swab rod to the recovery mechanism, and the cap screwing mechanism is used for opening and closing a tube cap on the tube. According to the invention, the sampling swab is broken in the test tube on the rotary test tube disc mechanism through the clamping mechanism, the broken swab rod is transferred into the recovery mechanism, the sampling swab can be automatically broken, the pharyngeal swab sample is automatically collected and stored in the sampling test tube, and the tube cap on the test tube is opened and closed through the cap screwing mechanism, so that the pharyngeal swab sample and the contact between the test tube and personnel are reduced, the infection risk is reduced, the nucleic acid sampling work efficiency is improved, and the labor cost is reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. An automated nucleic acid sample collection device, comprising: the device comprises a containing mechanism, a rotary test tube disc mechanism, a recovery mechanism, a clamping mechanism and a cover screwing mechanism which are arranged on a workbench;

the rotary cover mechanism is used for opening a tube cap of a test tube on the rotary test tube disc mechanism to enable the test tube to be in an open state, then a sampling swab is collected and detected through the storage mechanism, then the clamping mechanism clamps the sampling swab in the storage mechanism and transfers the sampling swab to a test tube on the rotary test tube disc mechanism to be broken, then the clamping mechanism transfers a broken swab rod to the recovery mechanism, and after the test tube is fully collected with the sampling swab, the rotary cover mechanism closes the tube cap of the test tube to enable the test tube to be in a closed state;

the spiral cover mechanism includes the spiral cover subassembly, the spiral cover subassembly includes: the three-jaw cap clamping device comprises a screw cap shell, a screw cap driving piece, a three-jaw cap clamping piece and a cam switching piece, wherein the screw cap driving piece is arranged on the screw cap shell, the three-jaw cap clamping piece is in transmission connection with the screw cap driving piece, the three-jaw cap clamping piece is driven by the screw cap driving piece to rotate along the screw cap shell, the three-jaw cap clamping piece is in sliding connection with the screw cap shell, the cam switching piece is connected with the three-jaw cap clamping piece, and the three-jaw cap clamping piece is driven by the cam switching piece to have a first state of clamping a test tube cap and a second state of loosening the test tube cap;

three-jaw clamping cover spare includes sleeve, a set of three-jaw splint, spiral cover pressure spring, spiral cover spring and plane thrust bearing, and is a set of three-jaw splint's upper end inlays to be located just a set of in the sleeve three-jaw splint pass through the spiral cover pressure spring with the sleeve butt, a set of three-jaw splint's middle part articulate in the sleeve, a set of three-jaw splint's lower extreme extends to outside the sleeve, the spiral cover spring housing is established a set of three-jaw splint's lower extreme, spiral cover spring one end with sleeve looks butt, the spiral cover spring other end is with a set of three-jaw splint looks butt, just the spiral cover spring is with a set of three-jaw splint's butt position department is provided with plane thrust bearing.

2. The automated nucleic acid sample collection device of claim 1, wherein the capping mechanism further comprises:

screwing the vertical plate;

3. The automated nucleic acid sample collection device of claim 2, wherein the fifth movement assembly comprises:

a fifth rotary drive;

a fifth drive gear in driving connection with the fifth rotary drive;

the fifth transmission rack is meshed with the five driving gears;

4. The automated nucleic acid sample collection device of claim 1, wherein the screw cap drive comprises: the sixth rotary driver is arranged on the spiral cover shell, the sixth driving gear is in transmission connection with the sixth rotary driver, and the sixth driven gear is meshed with the sixth driving gear.

5. The automated nucleic acid sample collection device of claim 1, wherein the cam switch comprises:

a seventh rotary drive secured to the sleeve;

6. The automated nucleic acid sample collection device of claim 1, wherein the rotating cuvette tray mechanism comprises:

a fourth rotary drive;

the fourth driving gear is in transmission connection with the fourth rotary driver;

a fourth driven gear meshed with the fourth driving gear;

7. The automated nucleic acid sample collection device according to claim 1, wherein the housing mechanism comprises: a cotton swab section of thick bamboo and first sensor, a cotton swab section of thick bamboo include funnel portion and with the section of thick bamboo pole bottom of funnel portion intercommunication, first sensor is used for detecting sampling swab in the section of thick bamboo pole bottom.