CN112656451A

CN112656451A - Anti-propagation nucleic acid detection sampler and sampling method thereof

Info

Publication number: CN112656451A
Application number: CN202011567978.8A
Authority: CN
Inventors: 马二沙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-04-16

Abstract

The invention discloses a propagation-preventing nucleic acid detection sampler and a sampling method thereof. According to the invention, the sampling cotton swab rod penetrates through the sampling cylinder, then the sampling cotton head penetrates into the oral cavity and throat positions of a person to be detected, the sampling cotton head is driven by the sampling cotton swab rod to stir and touch the inner wall of the throat, after the completion, the sampling cylinder is directly pushed to be close to the mouth of the person to be detected, so that the rubber mouth cover is attached to and seals the mouth, then the sampling cotton head is sucked into the inner side of the sampling cylinder, the phenomenon that the sampling cotton head is exposed in the external space after sampling to cause virus propagation is avoided, and meanwhile, the ejector rod is pressed, so that the sampling cotton swab rod is cut off by the cutter sleeve, and the.

Description

Anti-propagation nucleic acid detection sampler and sampling method thereof

Technical Field

The invention relates to the technical field of nucleic acid detection samplers, in particular to an anti-propagation nucleic acid detection sampler and a sampling method thereof.

Background

The substance for nucleic acid detection is a nucleic acid of a virus. The nucleic acid detection is to find out whether the respiratory tract specimen, blood or feces of the patient have the nucleic acid of the virus invaded from the outside to determine whether the patient is infected by the new coronavirus. Thus, once a nucleic acid is detected as "positive", the presence of the virus in the patient is demonstrated.

The conventional nucleic acid detection sampling device has the following defects: during general nucleic acid detection sampling, insert nasal cavity or pharyngeal cavity through a cotton swab, then wipe the inner wall, then take out the cotton swab, pack into corresponding sample bottle, but this in-process cotton swab takes out the back from oral cavity or nasal cavity, medical personnel need open the sample bottle, then insert the cotton swab end, this process cotton swab can expose outside a period of time completely, the touching condition of detecting the consequence can take place to influence very likely in this process, and also can increase the probability of external propagation, simultaneously in the testing process, because the cotton swab can produce uncomfortable when inserting nasal cavity or pharyngeal cavity, the personnel that are detected can avoid backward of natural reaction, need medical personnel to support the head from the back this moment.

Disclosure of Invention

The present invention is directed to a propagation-proof nucleic acid detecting sampler and a sampling method thereof, which solve the above problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a nucleic acid that prevents propagation detects sample thief, includes supporting seat board and sampling cylinder, the main electric telescopic link of vertical fixedly connected with directly over the supporting seat board, the horizontal fixedly connected with seat board in upper end of main electric telescopic link, gravity-feed tank is installed to seat board up end gomphosis, gravity-feed tank with the extension control circuit electricity of main electric telescopic link is connected, seat board up end laminating bonds there is the seatpad, seat board right-hand member upside fixedly connected with disinfection box, the horizontal fixedly connected with of right side outer wall department of disinfection box adjusts electric telescopic link, gravity-feed tank with the extension control circuit electricity of adjusting electric telescopic link is connected, adjust the vertical fixedly connected with spacing backup plate in left end of electric telescopic link, be provided with linkage sealing mechanism on the disinfection box, linkage sealing mechanism includes rotary column, a, The disinfection box comprises an inner linkage plate, an outer linkage plate and a sealing sliding plate, wherein a rotary column is vertically and rotatably connected to front and rear side plates of the disinfection box, the inner linkage plate is vertically and fixedly connected to the rotary column, the outer linkage plate is vertically and fixedly connected to the rotary column, the sealing sliding plate is inserted at the left ends of the front and rear side plates of the disinfection box in a sliding manner in pairs, meanwhile, a spring is horizontally and fixedly connected between the outer end of the sealing sliding plate and the outer wall of the disinfection box, a ball is movably embedded on the side wall of the outer end of the sealing sliding plate, a disinfection mechanism is arranged at the upper end of the disinfection box and comprises a disinfectant storage box, a piston cylinder, a piston block, a push-pull pipe, a communication pipe, a one-way valve, a lifting electric telescopic rod, a small air dryer and a roller, the disinfectant storage box is fixedly connected to the upper right, the connecting pipe is horizontally and fixedly connected between the piston cylinder and the lower end of the disinfectant storage box, the one-way valve is fixedly installed at the left end head of the connecting pipe, the piston block is connected in the piston cylinder in a matching manner, the push-pull pipe is vertically and fixedly connected to the upper side of the piston block, the lifting electric telescopic rod is vertically and fixedly connected to the upper side of the disinfectant box, the roller is horizontally and rotatably connected to the lower end of the lifting electric telescopic rod through a bearing, the roller is a hollow pipe body, the upper end head of the push-pull pipe is bent to the horizontal position and is inserted into the rear end head of the roller, a turnover edge is arranged at the end head of the push-pull pipe inserted into the inner side of the roller, an annular sliding groove is formed in the inner wall of the rear end of the roller in a surrounding manner, the turnover edge is slidably inserted into the annular, the side wall of the disinfection box under the roller is provided with a through hole, the side wall of the roller is uniformly provided with atomizing spray holes, the sampling cylinder is a transparent cylinder body and is provided with a sampling cotton swab rod, the right end of the sampling cotton swab rod is provided with a sampling cotton head, the right end of the sampling cylinder is fixedly connected with a rubber nozzle cover, the inner ring at the left end of the piston cylinder is connected with a conical rubber baffle sleeve, the middle position of the conical rubber baffle sleeve is an opening, a cutter sleeve is slidably inserted at the upper side of the right end of the sampling cylinder, a rubber anti-slip ring is fixedly connected on the side wall of the sampling cylinder at the position of the cutter sleeve in a surrounding manner, the rubber anti-slip ring is tightly attached to the outer wall of the cutter sleeve, the lower end of the cutter sleeve is an opening, the edge of the cutter sleeve is a cutter body, the outer wall of the sampling cylinder at the position of the cutter sleeve is fixedly connected with a connecting, the upper end of the ejector rod is horizontally and fixedly connected with a press handle, the lower side wall of the sampling cylinder under the cutter sleeve is provided with a thread connecting sleeve, the inner side of the lower end of the thread connecting sleeve is connected with the sampling cylinder through thread fit, the outer wall of the upper end of the cutter sleeve is wrapped with a rubber closing body, the left side of the supporting seat plate is provided with a containing box, the lower end of the containing box is fixedly connected with universal wheels in pairs at the left and right, the upper side of the containing box is provided with a throwing opening, the inner side of the throwing opening is horizontally provided with a closed baffle, the left end of the closed baffle is movably connected with the inner wall of the left side of the containing box through a rebound hinge, the right lower side of the closed baffle is obliquely provided with a transition baffle, the transition baffle is movably connected with the inner wall of the right side of the containing box through the rebound hinge, the inner wall of the containing box, the linkage rope is lapped on the fixed pulley.

Preferably, a spray pipe is buried in the inner wall of the right side of the input port, a disinfectant tank is fixedly connected to the outer wall of the containing box at the upper side of the spray pipe vertically, a conveying pump is arranged on the disinfectant tank in a matched mode, the water outlet end of the conveying pump is communicated with the spray pipe, a contact induction switch is fixedly mounted on the inner wall of the right lower side of the input port, and the contact induction switch is electrically connected with the conveying pump.

Preferably, be provided with laser inductive switch directly over the seat board, laser inductive switch's laser is in the fore-and-aft direction to laser inductive switch is passing through support frame fixed connection supporting the bedplate, the vice electric telescopic handle of the horizontal fixedly connected with in main electric telescopic handle's upper end right side, vice electric telescopic handle right-hand member upside fixedly connected with fore-set, the fore-set left side is facing fixed mounting has shutdown switch on the main electric telescopic handle lateral wall, shutdown switch with the outage shutdown circuit electricity of main electric telescopic handle is connected, simultaneously laser inductive switch with the shrink control circuit electricity of vice electric telescopic handle is connected.

Preferably, a supporting telescopic rod is vertically and fixedly connected between the lower end of the disinfection box and the supporting seat plate.

Preferably, the left end of the adjusting electric telescopic rod is sleeved with a corrugated rubber sealing sleeve, and the corrugated rubber sealing sleeve is fixedly connected with the telescopic end and the fixed end of the adjusting electric telescopic rod.

Preferably, the outer wall department fixedly connected with connecting block in containing box lower extreme right side, the vertical interlude has the trip on the connecting block, supporting seat board left end upper side is opened and is equipped with the draw-in groove.

Preferably, the lower end of the cutter sleeve is an iron metal body, and the inner wall of the sample cylinder is fixedly connected with an annular magnet in a surrounding mode.

Preferably, the outer wall of the top of the cutter sleeve is fixedly connected with a lug ring.

A sampling method of a nucleic acid detection sampler for preventing propagation comprises the following specific steps:

firstly, after a person to be detected sits on a seat plate, a gravity sensing switch enables an electric telescopic rod to be adjusted to extend leftwards, so that a limiting backup plate is abutted against the upper half of the person sitting on the seat plate and comprises a head, and therefore the situation that the detected person avoids backwards and the sampling is influenced due to discomfort when the throat part is sampled is avoided;

secondly, the sampling cylinder is lifted by one hand, then the sampling cotton swab rod with the sampling cotton swab head passes through the conical rubber retaining sleeve and the sampling cylinder by the other hand, the sampling cotton swab head penetrates into the oral cavity and throat positions of the person to be detected, then the sampling cotton swab rod drives the sampling cotton swab head to stir and touch the inner wall of the throat, then the sampling cylinder is pushed to be close to the mouth of the person to be detected, the rubber mouth cover is attached to seal the mouth, then the sampling cotton swab head is pulled back through the sampling cotton swab rod, the sampling cotton swab head enters the inner side of the sampling cylinder, and the situation that the sampling cotton swab head is exposed in the external space after sampling and virus propagation is caused is avoided;

thirdly, pressing the ejector rod by a finger of a hand lifting the sampling cylinder, and extruding the cutter sleeve downwards by the ejector rod to cut off a sampling cotton rod connected with a sampling cotton head by a cutter blade body on the lower side of the cutter sleeve, so that the sampling cotton head falls into the sampling cylinder, the cutter sleeve is embedded into the sampling cylinder to seal the upper end of the sampling cylinder, the rubber sealing body seals the joint position between the cutter sleeve and the sampling cylinder, then the sampling cylinder is rotationally disassembled, nucleic acid detection is carried out after the cutting body is taken away, the time of exposing the sampling cotton head to the external space is reduced, and the propagation probability is reduced;

after the fourth step of detection is finished, controlling and adjusting the electric telescopic rod to contract, when the limiting backup plate is driven to move horizontally into the disinfection box, when the limiting backup plate moves to the position of the inner linkage plate, the limiting backup plate extrudes and pushes the inner linkage plate, the inner linkage plate enables the rotary column to rotate, the rotary column enables the outer linkage plate to synchronously rotate, the linkage plate extrudes the closed sliding plate towards the inner side of the disinfection box in the process, the closed sliding plate slides to the inner side of the disinfection box, the left port of the disinfection box is closed, then the lifting electric telescopic rod is started to extend downwards and slowly, the roller penetrates through the through port downwards, the roller just rolls and moves downwards along the left end face of the limiting backup plate, and the roller drives the push-pull pipe to move downwards in the process, so that the push-pull pipe pushes the piston block to the lower side of the piston cylinder, and the port of the bottom of the piston cylinder, which, therefore, the disinfectant in the piston cylinder can only flow upwards into the push-pull pipe, then enters the roller along the push-pull pipe, is sprayed out from the atomization spraying hole on the roller, and the roller rolls downwards along the end surface of the limit backup plate to realize the disinfection of the limit backup plate, and the small air dryer continuously sprays air to the right to air-dry the end surface of the limit backup plate wetted by the disinfectant;

fifth step is takied the back away at the specimen cylinder simultaneously, directly throw in mouth department with the specimen cylinder, this process is pressed the closure flap downwards, the closure flap just rotates to the inclined position downwards, this in-process closure flap just upwards rotates to horizontal position through linkage rope pulling transition baffle, and the closure flap also just in time takes on the transition baffle, make the used specimen cylinder slide to the transition baffle along the closure flap of slope on, then loosen the closure flap again, the closure flap just turns back to horizontal position and seals and throw in the mouth, then the downward sloping position is just resumed to the transition baffle, make things convenient for the specimen cylinder to the landing of storage box bottom, avoid the specimen cylinder directly to drop in the storage box.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, a sampling cotton swab rod penetrates through a sampling cylinder, then a sampling cotton head penetrates into the oral cavity and throat positions of a person to be detected, the sampling cotton head is driven by the sampling cotton swab rod to stir and touch the inner wall of the throat, after the completion, the sampling cylinder is directly pushed to be close to the mouth of the person to be detected, so that a rubber mouth cover is attached to and seals the mouth, then the sampling cotton head is sucked into the inner side of the sampling cylinder, the sampling cotton head is prevented from being exposed in the external space after sampling to cause virus propagation, meanwhile, a push rod is pressed, a cutter sleeve cuts off the sampling cotton swab rod, and the cutter sleeve with the sampling cotton head falls into the sample cylinder, so that the cutter sleeve is embedded into the sample cylinder to seal the upper end of the sample cylinder, then the sample cylinder is rotationally disassembled, the nucleic acid detection is carried out, the time of the sampling cotton head exposed in;

2. the invention has the advantages that the limit backup plate is abutted against the upper body and the head of a person to be detected, so that the person to be detected is prevented from avoiding backwards due to discomfort when the throat part is sampled, the sampling is influenced, after the detection is finished, the limit backup plate is contracted by adjusting the electric telescopic rod, when the limit backup plate is driven to translate towards the inside of the disinfection box, the seal sliding plate slides to the inner side of the disinfection box through the inner linkage plate, the rotating column and the outer linkage plate, so that the left port of the disinfection box is sealed, then the lifting electric telescopic rod is started to extend downwards slowly, so that the roller rolls along the left end surface of the limit backup plate and moves downwards, in the process, the push-pull pipe pushes the piston block to extrude towards the lower side of the piston cylinder, so that disinfectant flows upwards into the push-pull pipe, then enters the roller along the push-pull pipe, then is, the push-pull pipe drives the piston block to rise upwards to vacate the inner space of the piston cylinder, so that the disinfectant in the disinfectant storage box can be conveniently supplied to the inner part of the piston cylinder through the communicating pipe;

3. according to the invention, after the sampling cylinder is taken away, the sampling cylinder is directly thrown into the throwing opening, so that the sealing baffle plate is rotated downwards to an inclined position, the transition baffle plate is pulled by the linkage rope to rotate upwards to a horizontal position, the used sampling cylinder slides onto the transition baffle plate along the inclined sealing baffle plate, then the sealing baffle plate is loosened, the sealing baffle plate is rotated to the horizontal position to seal the throwing opening, the transition baffle plate is restored to the downward inclined position, the sampling cylinder is convenient to slide to the bottom of the storage box, and the sampling cylinder is prevented from directly falling into the storage box.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a nucleic acid detecting sampler for preventing propagation according to the present invention;

FIG. 2 is a schematic top sectional view of a sterilization box and a linkage sealing mechanism of a propagation-preventing nucleic acid detecting sampler according to the present invention;

FIG. 3 is a schematic diagram of a right-view partial structure of a plunger and a roller in a nucleic acid detecting sampler for preventing propagation according to the present invention;

FIG. 4 is a schematic view showing a partial structure of a roller and a push-pull tube in a nucleic acid detecting sampler for preventing propagation according to the present invention;

FIG. 5 is a schematic structural diagram of a sample cylinder, a cutter sleeve and a sample cylinder in a propagation-proof nucleic acid detecting sampler in matching connection;

FIG. 6 is a schematic diagram of a top view of a sample cartridge in an anti-propagation nucleic acid detecting sampler of the present invention;

FIG. 7 is a schematic view of a partial structure of a container, a closure baffle and a transition baffle in a propagation-proof nucleic acid detecting sampler according to the present invention.

In the figure: 1. a support base plate; 2. supporting the telescopic rod; 3. a main electric telescopic rod; 4. an auxiliary electric telescopic rod; 5. a top pillar; 6. a shutdown switch; 7. a seat plate; 8. a gravity sensing switch; 9. a seat cushion; 10. a sterilizing box; 11. a laser inductive switch; 12. a corrugated rubber sealing sleeve; 13. a limiting backup plate; 14. sealing the sliding plate; 15. adjusting the electric telescopic rod; 16. turning the column; 17. a port; 18. lifting the electric telescopic rod; 19. a small air dryer; 20. a roller; 21. pushing and pulling the pipe; 22. a piston cylinder; 23. a one-way valve; 24. a communicating pipe; 25. a disinfectant storage box; 26. a spring; 27. an outer linkage plate; 28. a sterilizing mechanism; 29. an inner linkage plate; 30. a ball bearing; 31. a linkage closure mechanism; 32. a piston block; 33. atomizing and spraying holes; 34. folding edges; 35. an annular chute; 36. sampling a cotton swab rod; 37. a conical rubber retaining sleeve; 38. a disinfectant tank; 39. sampling cotton heads; 40. a rubber nozzle cover; 41. a sampling cartridge; 42. a threaded connecting sleeve; 43. a rubber closure; 44. a cutter sleeve; 45. a connecting frame; 46. a top rod; 47. a pressing handle; 48. a lug ring; 49. a sample cartridge; 50. a ring magnet; 51. a rubber anti-slip ring; 52. connecting blocks; 53. fastening a bolt; 54. a card slot; 55. a universal wheel; 56. a storage box; 57. a transition baffle; 58. a linkage rope; 59. a fixed pulley; 60. a closing baffle; 61. a throwing port; 62. a nozzle; 63. a delivery pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a nucleic acid detection sampler capable of preventing propagation comprises a support seat plate 1 and a sampling cylinder 41, a main electric telescopic rod 3 is vertically and fixedly connected right above the support seat plate 1, a seat plate 7 is horizontally and fixedly connected to the upper end of the main electric telescopic rod 3, a gravity sensing switch 8 is embedded and installed on the upper end face of the seat plate 7, the gravity sensing switch 8 is electrically connected with an extension control circuit of the main electric telescopic rod 3, a seat cushion 9 is adhered to the upper end face of the seat plate 7, a disinfection box 10 is fixedly connected to the upper side of the right end of the seat plate 7, an adjusting electric telescopic rod 15 is horizontally and fixedly connected to the outer wall of the right side of the disinfection box 10, the gravity sensing switch 8 is electrically connected with the extension control circuit of the adjusting electric telescopic rod 15, the telescopic end of the adjusting electric telescopic rod 15 penetrates into the disinfection box 10, a limiting backup plate 13 is vertically and fixedly connected to the left end of the, the electric telescopic rod 15 is adjusted to extend leftwards, so that the limit backup plate 13 is abutted against the upper half of the body of a person sitting on the seat plate 7, including the head, and therefore the situation that the detected person avoids backwards due to discomfort when the throat part is sampled and the sampling is influenced is avoided; the disinfection box 10 is provided with a linkage closing mechanism 31, the linkage closing mechanism 31 comprises a rotary column 16, an inner linkage plate 29, an outer linkage plate 27 and a closing slide plate 14, the rotary column 16 is vertically and rotatably connected with the front side plate and the rear side plate of the disinfection box 10 in pairs through a rotating shaft, the rotary column 16 is embedded on the front side wall and the rear side wall of the disinfection box 10, the inner linkage plate 29 is vertically and fixedly connected with the side wall of the rotary column 16 at the inner side of the disinfection box 10, the outer linkage plate 27 is vertically and fixedly connected with the side wall of the rotary column 16 at the outer side of the disinfection box 10, the closing slide plate 14 is slidably inserted at the left end of the front side plate and the rear side plate of the disinfection box 10 in pairs in front and rear, the closing slide plate 14 is positioned in the rotating range of the outer linkage plate 27, meanwhile, a spring 26 is horizontally and fixedly connected between the outer end of the closing slide plate 14, when the limit backup plate 13 is driven to translate towards the inside of the disinfection box 10, and the limit backup plate 13 moves to the position of the inner linkage plate 29, the limit backup plate 13 pushes the inner linkage plate 29, the inner linkage plate 29 enables the rotary column 16 to rotate, the rotary column 16 enables the outer linkage plate 27 to synchronously rotate, in the process, the outer linkage plate 27 pushes the sealing sliding plate 14 towards the inner side of the disinfection box 10, so that the sealing sliding plate 14 slides to the inner side of the disinfection box 10, thereby closing the left end of the sterilization case 10, and the balls 30 facilitate relative sliding when the outer end of the closure slide 14 is in contact with the outer link plate 27, and the closure slider 14 is slid inside the sterilization case 10, the spring 26 is compressed to generate a resilient force, therefore, when the electric telescopic rod 15 is adjusted to extend leftwards and push out the limit backup plate 13, the closed sliding plate 14 resets under the resilience force of the spring 26 and slides out of the disinfection box 10, and the limit backup plate 13 conveniently penetrates out of the disinfection box 10; the upper end of the disinfection box 10 is provided with a disinfection mechanism 28, the disinfection mechanism 28 comprises a disinfectant storage box 25, a piston cylinder 22, a piston block 32, a push-pull pipe 21, a communicating pipe 24, a one-way valve 23, a lifting electric telescopic rod 18, a small air dryer 19 and a roller 20, the disinfectant storage box 25 is fixedly connected to the upper right side of the disinfection box 10, the piston cylinder 22 is vertically and fixedly connected to the left side of the disinfectant storage box 25, the communicating pipe 24 is horizontally and fixedly connected between the piston cylinder 22 and the lower end of the disinfectant storage box 25, and the communicating pipe 24 facilitates disinfectant in the disinfectant storage box 25 to enter the piston cylinder 22; the check valve 23 is fixedly arranged at the left end of the communicating pipe 24, and the flow direction of the check valve 23 is that the communicating pipe 24 flows towards the inner side of the piston cylinder 22; the piston block 32 is connected in the piston cylinder 22 in a matching mode, the push-pull pipe 21 is vertically and fixedly connected to the upper side of the piston block 32, the lower end of the push-pull pipe 21 is communicated with the space on the lower side of the piston block 32, the lifting electric telescopic rod 18 is vertically and fixedly connected to the upper side of the disinfection box 10, the lower end of the lifting electric telescopic rod 18 is a telescopic end, the roller 20 is horizontally and rotatably connected to the lower end of the lifting electric telescopic rod 18 through a bearing, the roller 20 is a hollow pipe body, the upper end of the push-pull pipe 21 is bent to a horizontal position and inserted into the rear end of the roller 20, a flanging edge 34 is arranged at the end of the push-pull pipe 21 inserted into the inner side of the roller 20, an annular sliding groove 35 is formed in the inner wall of the rear end of the roller 20 in a surrounding mode, the flanging edge; the small air dryer 19 is fixedly arranged at the position, close to the lower end, of the lifting electric telescopic rod 18, the small air dryer 19 is positioned on the upper side of the roller 20, and meanwhile, an air outlet of the small air dryer 19 faces the right; the side wall of the disinfection box 10 right below the roller 20 is provided with a through hole 17, the side wall of the roller 20 is uniformly provided with atomization spray holes 33, when the limit backup plate 13 is put into the disinfection box 10 after being used, the lifting electric telescopic rod 18 is started to extend downwards and slowly, so that the roller 20 passes through the through hole 17 downwards, and the roller 20 just rolls and moves downwards along the left end surface of the limit backup plate 13, and in the process, the roller 20 also drives the push-pull pipe 21 to move downwards, so that the push-pull pipe 21 pushes the piston block 32 to extrude towards the lower side of the piston cylinder 22, because the bottom of the piston cylinder 22 is connected with the port of the communicating pipe 24 and limited by the one-way valve 23, the disinfectant in the piston cylinder 22 only flows upwards into the push-pull pipe 21, then enters the roller 20 along the push-pull pipe 21 and is sprayed out from the atomization spray holes 33 on the roller 20, and the roller 20 rolls downwards along the end surface of, the small air dryer 19 continuously sprays air to the right to dry the end face of the limiting backup plate 13 wetted by the disinfectant, when the lifting electric telescopic rod 18 contracts and drives the roller 20 to ascend and reset, the push-pull pipe 21 also rises, so that the push-pull pipe 21 drives the piston block 32 to rise upwards to vacate the inner space of the piston cylinder 22, and the disinfectant in the disinfectant storage tank 25 is conveniently supplied to the piston cylinder 22 through the communicating pipe 24; the sampling cylinder 41 is a transparent cylinder body; the sampling cylinder 41 is provided with a sampling cotton swab rod 36, the right end of the sampling cotton swab rod 36 is provided with a sampling cotton head 39, the right end of the sampling cylinder 41 is fixedly connected with a rubber nozzle cover 40, the inner ring at the left end of the piston cylinder 22 is connected with a conical rubber baffle sleeve 37, the middle position of the conical rubber baffle sleeve 37 is an opening, when a person sitting on the seat plate 7 needs to be subjected to nucleic acid detection and sampling, one hand lifts the sampling cylinder 41, the other hand enables the sampling cotton swab rod 36 with the sampling cotton head 39 to penetrate through the conical rubber baffle sleeve 37 and penetrate through the sampling cylinder 41, the sampling cotton head 39 penetrates into the oral cavity and throat position of the person to be detected, the sampling cotton rod 36 drives the sampling cotton head 39 to stir and touch the inner wall of the throat, the sampling cylinder 41 is pushed to be close to the mouth of the person to be detected, the rubber nozzle cover 40 is attached to close the mouth, and then the sampling cotton head 39 is withdrawn through the sampling cotton swab rod, the sampling cotton head 39 enters the inner side of the sampling cylinder 41, so that the sampling cotton head 39 is prevented from being exposed to the external space after sampling to cause virus propagation; the cutter sleeve 44 is inserted into the upper side of the right end of the sampling cylinder 41 in a sliding manner, the rubber anti-slip ring 51 is fixedly connected to the side wall of the sampling cylinder 41 at the position of the cutter sleeve 44 in a surrounding manner, the rubber anti-slip ring 51 is tightly attached to the outer wall of the cutter sleeve 44, the cutter sleeve 44 is firmly clamped on the sampling cylinder 41 by the rubber anti-slip ring 51 when no external force acts on the cutter sleeve 44, the lower end of the cutter sleeve 44 is provided with an opening, the edge of the cutter sleeve is provided with a cutter blade body, the outer wall of the sampling cylinder 41 at the position of the cutter sleeve 44 is fixedly connected with a connecting frame 45, the upper end of the connecting frame 45 is vertically inserted with an ejector rod 46 in a sliding and penetrating manner, when the sampling cotton head 39 is collected into the inner side of the sampling cylinder 41 after sampling, the sampling cotton head 39 is made to stay at the lower side of the cutter sleeve 44, the plunger 46 is then pressed by the finger of the hand holding the cartridge 41, the plunger 46 presses down on the cutter sheath 44, so that the blade body on the lower side of the cutter sheath 44 cuts off the sampling cotton swab rod 36 connected with the sampling cotton head 39; the upper end of the ejector rod 46 is horizontally and fixedly connected with a press handle 47, and the press handle 47 is convenient for pressing the ejector rod 46; a threaded connecting sleeve 42 is arranged on the lower side wall of the sampling cylinder 41 right below the cutter sleeve 44, the inner side of the lower end of the threaded connecting sleeve 42 is connected with a sample cylinder 49 in a threaded fit mode, the inner side of the sample cylinder 49 is matched with the cutter sleeve 44 in size, after the lower sampling cotton head 39 is cut off by the cutter sleeve 44, the sampling cotton head 39 falls into the sample cylinder 49, and meanwhile, the cutter sleeve 44 is embedded into the sample cylinder 49 to seal the upper end of the sample cylinder 49; the outer wall of the upper end of the cutter sleeve 44 is wrapped with a rubber closing body 43, when the cutter sleeve 44 is embedded into the sample cylinder 49, the rubber closing body 43 seals the joint position between the cutter sleeve 44 and the sample cylinder 49, then the sample cylinder 49 is rotationally disassembled, and the sample cylinder 49 is taken away for nucleic acid detection; a containing box 56 is placed on the left side of the supporting seat plate 1, universal wheels 55 are fixedly connected to the lower end of the containing box 56 in a left-right pair, and the universal wheels 55 facilitate the movement of the whole device; a throwing opening 61 is arranged on the upper side of the containing box 56, a closed baffle 60 is horizontally arranged on the inner side of the throwing opening 61, the left end of the closed baffle 60 is movably connected with the inner wall on the left side of the containing box 56 through a rebound hinge, a transition baffle 57 is obliquely arranged on the lower right side of the closed baffle 60, the transition baffle 57 is movably connected with the inner wall on the right side of the containing box 56 through a rebound hinge, a fixed pulley 59 is fixedly connected on the inner wall of the containing box 56 right above the transition baffle 57, a linkage rope 58 is fixedly connected between the right end of the closed baffle 60 and the transition baffle 57, the linkage rope 58 is lapped on the fixed pulley 59, the linkage rope 58 and the fixed pulley 59 are aligned at the front edge position and the rear edge position of the transition baffle 57 and the closed baffle 60, when a sampling cotton head 39 is contained in a sample cylinder 49 and the sample cylinder 49 is taken away, the sample cylinder 41 is directly thrown into the throwing opening 61, the closed baffle 60 is, this in-process closure baffle 60 just upwards rotates to horizontal position through linkage rope 58 pulling transition baffle 57, and closure baffle 60 also just in time takes on transition baffle 57, make used cartridge 41 slide to transition baffle 57 along the closure baffle 60 of slope on, then loosen closure baffle 60 again, closure baffle 60 just turns round to horizontal position and seals and put in mouth 61, then transition baffle 57 just resumes the downward sloping position, make things convenient for cartridge 41 to the landing of containing box 56 bottom, avoid cartridge 141 directly to fall in containing box 56.

A spray pipe 62 is buried in the inner wall of the right side of a feeding port 61, a disinfectant tank 38 is fixedly connected to the outer wall of a containing box 56 at the upper side of the spray pipe 62, a delivery pump 63 is arranged on the disinfectant tank 38, the water outlet end of the delivery pump 63 is communicated with the spray pipe 62, a contact inductive switch is fixedly mounted on the inner wall of the right side of the feeding port 61, the contact inductive switch is electrically connected with the delivery pump 63, when a closed baffle 60 rotates downwards to be opened and then rotates to reset, the closed baffle 60 is abutted to the contact inductive switch, the delivery pump 63 operates once, the delivery pump 63 enables disinfectant in the disinfectant tank 38 to be sprayed once from the spray pipe 62 to the end face of the closed baffle 60, and disinfection is performed to a certain degree.

A laser induction switch 11 is arranged right above the seat plate 7, the laser of the laser induction switch 11 is in the front-back direction, the laser induction switch 11 is fixedly connected with the support seat plate 1 through a support frame, the right side of the upper end of the main electric telescopic rod 3 is horizontally and fixedly connected with an auxiliary electric telescopic rod 4, the upper side of the right end of the auxiliary electric telescopic rod 4 is fixedly connected with a top column 5, the side wall of the main electric telescopic rod 3, which is right opposite to the left side of the top column 5, is fixedly provided with a stop switch 6, the stop switch 6 is electrically connected with a power-off stop circuit of the main electric telescopic rod 3, meanwhile, the laser induction switch 11 is electrically connected with a contraction control circuit of the auxiliary electric telescopic rod 4, when a person to be detected sits on the seat plate 7, a gravity induction switch 8 is triggered, the gravity induction switch 8 enables the main electric telescopic rod 3 to extend upwards, the laser induction switch 11 enables the auxiliary electric telescopic rod 4 to contract, so that the top column 5 is horizontally moved leftwards and abutted against the stop switch 6, and the main electric telescopic rod 3 stops extending.

Vertical fixedly connected with support telescopic link 2 between disinfection box 10 lower extreme and the support bedplate 1 supports telescopic link 2, supports that main electric telescopic link 3 is controlled balancedly, avoids main electric telescopic link 3 to take place to buckle.

The left end of adjusting electric telescopic handle 15 is overlapped with ripple rubber seal cover 12, and ripple rubber seal cover 12 fixed connection is adjusting electric telescopic handle 15's flexible end and stiff end, and ripple rubber seal cover 12 avoids the antiseptic solution to get into and adjusts electric telescopic handle 15 inside and cause the damage.

Connecting block 52 is fixedly connected with in the outer wall department of containing box 56 lower extreme right side, and vertical interlude has a draw-in groove 53 on the connecting block 52, and support bedplate 1 left end upper side is opened and is equipped with draw-in groove 54, when containing box 56 removed to support bedplate 1 left side for draw-in groove 54 aligns from top to bottom with draw-in groove 54, then makes in draw-in groove 54 is interlude to draw-in box 53, makes containing box 56 keep fixed relative support bedplate 1.

The lower extreme of cutter cover 44 is the iron metal body, and the annular magnet 50 of surrounding fixedly connected with on the sample section of thick bamboo 49 inner wall, when cutter cover 44 was embedded in sample section of thick bamboo 49, cutter cover 44 lower extreme adsorbs on annular magnet 50, realizes that cutter cover 44 fixes in sample section of thick bamboo 49.

A lug ring 48 is fixedly connected to the outer wall of the top of the cutter sleeve 44, and the lug ring 48 is convenient for a user to take out the cutter sleeve 44 embedded in the sample barrel 49.

in the first step, after a person to be detected sits on the seat plate 7, the gravity sensing switch 8 enables the adjusting electric telescopic rod 15 to extend leftwards, so that the limiting backup plate 13 is abutted against the upper half of the body of the person sitting on the seat plate 7 and comprises a head, and therefore the situation that the person to be detected avoids backwards due to discomfort when the throat part is sampled and the sampling is influenced is avoided;

secondly, the sampling cylinder 41 is lifted by one hand, then the sampling cotton rod 36 with the sampling cotton head 39 passes through the conical rubber baffle sleeve 37 and passes through the sampling cylinder 41 by the other hand, the sampling cotton head 39 penetrates into the oral cavity and throat positions of the person to be detected, the sampling cotton head 39 is driven by the sampling cotton rod 36 to stir and touch the inner wall of the throat, then the sampling cylinder 41 is pushed to be close to the mouth of the person to be detected, the rubber mouth cover 40 is attached to and seals the mouth, then the sampling cotton head 39 is pulled back through the sampling cotton rod 36, the sampling cotton head 39 enters the inner side of the sampling cylinder 41, and the situation that the sampling cotton head 39 is exposed in the external space after sampling and virus propagation is avoided;

thirdly, the ejector rod 46 is pressed by fingers of a hand lifting the sampling cylinder 41, the ejector rod 46 downwards extrudes the cutter sleeve 44, so that a blade body on the lower side of the cutter sleeve 44 is cut off and connected with the sampling cotton swab rod 36 of the sampling cotton head 39, the sampling cotton head 39 falls into the sample cylinder 49, the cutter sleeve 44 is embedded into the sample cylinder 49 at the same time, the upper end of the sample cylinder 49 is sealed, the rubber sealing body 43 seals the joint position between the cutter sleeve 44 and the sample cylinder 49, then the sample cylinder 49 is rotatably disassembled, nucleic acid detection is carried out, the time of exposing the sampling cotton head 39 to the external space is shortened, and the propagation probability is reduced;

after the fourth step is finished, controlling and adjusting the electric telescopic rod 15 to contract, when the limit backup plate 13 is driven to translate towards the inside of the disinfection box 10, when the limit backup plate 13 moves to the position of the inner linkage plate 29, the limit backup plate 13 extrudes and pushes the inner linkage plate 29, the inner linkage plate 29 enables the rotary column 16 to rotate, the rotary column 16 enables the outer linkage plate 27 to synchronously rotate, in the process, the outer linkage plate 27 extrudes the closed sliding plate 14 towards the inside of the disinfection box 10, the closed sliding plate 14 slides to the inside of the disinfection box 10, so that the left port of the disinfection box 10 is closed, then starting the lifting electric telescopic rod 18 to slowly extend downwards, enabling the roller 20 to downwards penetrate through the through hole 17, enabling the roller 20 to just roll downwards along the left end surface of the limit backup plate 13, and in the process, the roller 20 also drives the push-pull pipe 21 to downwards move, so that the push-pull pipe 21 pushes the piston block 32 to extrude towards the, because the bottom of the piston cylinder 22 is connected with the port of the communicating pipe 24 and limited by the one-way valve 23, the disinfectant in the piston cylinder 22 can only flow upwards into the push-pull pipe 21, then enters the roller 20 along the push-pull pipe 21 and is sprayed out from the atomizing spray holes 33 on the roller 20, and the roller 20 rolls downwards along the end surface of the limit backup plate 13, so that the limit backup plate 13 is disinfected, the small air dryer 19 continuously sprays air rightwards, the end surface of the limit backup plate 13 wetted with the disinfectant is dried in the air, when the lifting electric telescopic rod 18 contracts and drives the roller 20 to ascend and reset, the push-pull pipe 21 also rises along with the roller, so that the push-pull pipe 21 drives the piston block 32 to ascend upwards to vacate the internal space of the piston cylinder 22, and the disinfectant in the disinfectant storage tank 25 is convenient to supply the disinfectant to the interior of the piston cylinder 22 through the;

fifthly, take away the back at sample cylinder 49 simultaneously, directly throw into input port 61 with sample cylinder 41 and locate, this process is pressed closure baffle 60 downwards, closure baffle 60 just rotates to the inclined position downwards, this in-process closure baffle 60 just upwards rotates to horizontal position through linkage rope 58 pulling transition baffle 57, and closure baffle 60 also just in time takes on transition baffle 57, make used sample cylinder 41 slide to transition baffle 57 along the closure baffle 60 of slope, then loosen closure baffle 60 again, closure baffle 60 just turns back to horizontal position and seals input port 61, then transition baffle 57 just resumes the downward sloping position, make things convenient for sample cylinder 41 to landing to containing box 56 bottom, avoid sample cylinder 141 directly to fall in containing box 56.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A propagation-resistant nucleic acid detecting sampler comprising a support base plate (1) and a sampling cartridge (41), characterized in that: the vertical fixedly connected with main electric telescopic handle (3) directly over the support bedplate (1), the upper end level fixedly connected with seat board (7) of main electric telescopic handle (3), gravity induction switch (8) is installed to seat board (7) up end gomphosis, gravity induction switch (8) with the extension control circuit electricity of main electric telescopic handle (3) is connected, seat pad (9) is bonded to seat board (7) up end laminating, seat board (7) right-hand member upside fixedly connected with disinfection box (10), the right side outer wall department level fixedly connected with of disinfection box (10) adjusts electric telescopic handle (15), gravity induction switch (8) with the extension control circuit electricity of adjusting electric telescopic handle (15) is connected, the vertical fixedly connected with spacing backup plate (13) of left end of adjusting electric telescopic handle (15), the disinfection box (10) is provided with a linkage closing mechanism (31), the linkage closing mechanism (31) comprises a rotary column (16), an inner linkage plate (29), an outer linkage plate (27) and a closing sliding plate (14), the rotary column (16) is vertically and rotatably connected to front and rear side plates of the disinfection box (10), the inner linkage plate (29) is vertically and fixedly connected to the rotary column (16), the outer linkage plate (27) is vertically and fixedly connected to the rotary column (16), the closing sliding plate (14) is inserted at the left ends of the front and rear side plates of the disinfection box (10) in a pair sliding mode, meanwhile, a spring (26) is horizontally and fixedly connected between the outer end head of the closing sliding plate (14) and the outer wall of the disinfection box (10), balls (30) are movably embedded on the outer end side wall of the closing sliding plate (14), and a disinfection mechanism (28) is arranged at the upper end of the disinfection box (10), the disinfection mechanism (28) comprises a disinfectant storage box (25), a piston cylinder (22), a piston block (32), a push-pull pipe (21), a communicating pipe (24), a one-way valve (23), a lifting electric telescopic rod (18), a small air dryer (19) and a roller (20), the disinfectant storage box (25) is fixedly connected to the upper right side of the disinfection box (10), the piston cylinder (22) is vertically and fixedly connected to the left side of the disinfectant storage box (25), the communicating pipe (24) is horizontally and fixedly connected between the piston cylinder (22) and the lower end of the disinfectant storage box (25), the one-way valve (23) is fixedly installed at the left end of the communicating pipe (24), the piston block (32) is connected in the piston cylinder (22) in a matching manner, the push-pull pipe (21) is vertically and fixedly connected to the upper side of the piston block (32), the lifting electric telescopic rod (18) is vertically and fixedly connected to the upper side of the disinfection box (10), the roller (20) is horizontally and rotatably connected to the lower end of the lifting electric telescopic rod (18) through a bearing, the roller (20) is a hollow pipe body, the upper end of the push-pull pipe (21) is bent to a horizontal position and is inserted into the rear end of the roller (20), a flanging edge (34) is arranged at the end of the push-pull pipe (21) inserted into the inner side of the roller (20), an annular sliding groove (35) is formed in the inner wall of the rear end of the roller (20) in a surrounding mode, the flanging edge (34) is inserted into the annular sliding groove (35) in a sliding mode, the small air dryer (19) is fixedly installed at the position, close to the lower end, of the lifting electric telescopic rod (18), and a through hole (17) is formed in the side wall of the disinfection box (10) under, atomizing spray holes (33) are uniformly formed in the side wall of the roller (20), the sampling cylinder (41) is a transparent cylinder body, the sampling cylinder (41) is provided with a sampling cotton rod (36), a sampling cotton head (39) is arranged at the right end of the sampling cotton rod (36), a rubber nozzle cover (40) is fixedly connected at the right end of the sampling cylinder (41), a conical rubber retaining sleeve (37) is connected to the inner ring of the left end of the piston cylinder (22), the middle position of the conical rubber retaining sleeve (37) is an opening, a cutter sleeve (44) is slidably inserted into the upper side of the right end of the sampling cylinder (41), a rubber anti-slip ring (51) is fixedly connected on the side wall of the sampling cylinder (41) at the position of the cutter sleeve (44) in a surrounding mode, the rubber anti-slip ring (51) is tightly attached to the outer wall of the cutter sleeve (44), the lower end of the cutter sleeve (44) is an opening, and the edge body is a knife edge, the sampling tube (41) is fixedly connected with a connecting frame (45) at the outer wall of the sampling tube (41) at the position of the cutter sleeve (44), an ejector rod (46) is vertically inserted into the upper end of the connecting frame (45) in a sliding mode, a pressing handle (47) is horizontally and fixedly connected with the upper end of the ejector rod (46), a threaded connecting sleeve (42) is arranged at the lower side wall of the sampling tube (41) under the cutter sleeve (44), the inner side of the lower end of the threaded connecting sleeve (42) is connected with a sample tube (49) in a threaded matching mode, a rubber closing body (43) wraps the outer wall of the upper end of the cutter sleeve (44), a containing box (56) is placed on the left side of the supporting seat plate (1), universal wheels (55) are fixedly connected with the left side and the right side of the lower end of the containing box (56) in pairs, a placing opening (61) is formed in the upper side, closure flap (60) left end is being connected through resilience hinge swing joint containing box (56) left side inner wall, the right downside slope of closure flap (60) is provided with transition baffle (57), transition baffle (57) are being connected through resilience hinge swing joint containing box (56) right side inner wall, directly over transition baffle (57) fixedly connected with fixed pulley (59) on containing box (56) inner wall, closure flap (60) right-hand member with fixedly connected with linkage rope (58) between transition baffle (57), linkage rope (58) take on fixed pulley (59).

2. The propagation-resistant nucleic acid detecting sampler as recited in claim 1, wherein: put in and bury spray tube (62) underground in mouthful (61) right side inner wall, spray tube (62) upside position containing box (56) outer wall department vertical fixedly connected with disinfectant box (38), set delivery pump (63) on disinfectant box (38), delivery pump (63) play water end is communicateing spray tube (62), put in mouthful (61) right side lower side inner wall department fixed mounting has contact inductive switch, contact inductive switch with delivery pump (63) electricity is connected.

3. The propagation-resistant nucleic acid detecting sampler as recited in claim 1, wherein: be provided with laser induction switch (11) directly over seat board (7), the laser of laser induction switch (11) is in the fore-and-aft direction to laser induction switch (11) is being through support frame fixed connection support bedplate (1), the vice electric telescopic handle (4) of the upper end right side level fixedly connected with of main electric telescopic handle (3), vice electric telescopic handle (4) right-hand member upside fixedly connected with fore-set (5), fore-set (5) left side is facing fixed mounting has shutdown switch (6) on main electric telescopic handle (3) lateral wall, shutdown switch (6) with the outage shutdown circuit electricity of main electric telescopic handle (3) is connected, simultaneously laser induction switch (11) with the shrink control circuit electricity of vice electric telescopic handle (4) is connected.

4. The propagation-resistant nucleic acid detecting sampler as recited in claim 1, wherein: a supporting telescopic rod (2) is vertically and fixedly connected between the lower end of the disinfection box (10) and the supporting seat plate (1).

5. The propagation-resistant nucleic acid detecting sampler as recited in claim 1, wherein: the left end of the adjusting electric telescopic rod (15) is sleeved with a corrugated rubber sealing sleeve (12), and the corrugated rubber sealing sleeve (12) is fixedly connected with the telescopic end and the fixed end of the adjusting electric telescopic rod (15).

6. The propagation-resistant nucleic acid detecting sampler as recited in claim 1, wherein: the supporting seat plate is characterized in that a connecting block (52) is fixedly connected to the outer wall of the right side of the lower end of the containing box (56), a clamping bolt (53) is vertically inserted into the connecting block (52), and a clamping groove (54) is formed in the upper side of the left end of the supporting seat plate (1).

7. The propagation-resistant nucleic acid detecting sampler as recited in claim 1, wherein: the lower end of the cutter sleeve (44) is an iron metal body, and an annular magnet (50) is fixedly connected to the inner wall of the sample barrel (49) in a surrounding mode.

8. The propagation-resistant nucleic acid detecting sampler as recited in claim 1, wherein: the outer wall of the top of the cutter sleeve (44) is fixedly connected with a lug ring (48).

9. The sampling method of the nucleic acid detecting sampler against propagation according to claim 1, characterized by comprising the following steps:

firstly, after a person to be detected sits on a seat plate (7), a gravity sensing switch (8) enables an adjusting electric telescopic rod (15) to extend leftwards, so that a limiting leaning plate (13) is abutted to the upper half of the person sitting on the seat plate (7) and comprises a head, and therefore the situation that the person to be detected avoids backwards due to discomfort when the throat part is sampled and the sampling is influenced is avoided;

secondly, the sampling cylinder (41) is lifted by one hand, then the sampling cotton swab rod (36) with the other hand penetrates through the conical rubber blocking sleeve (37) and the sampling cylinder (41) and enables the sampling cotton swab head (39) to penetrate into the oral cavity and throat positions of the person to be detected, then the sampling cotton swab rod (36) drives the sampling cotton swab head (39) to stir and touch the inner wall of the throat, then the sampling cylinder (41) is pushed to be close to the mouth of the person to be detected, the rubber mouth cover (40) is attached to and seals the mouth, then the sampling cotton swab head (39) is pulled back through the sampling cotton swab rod (36), the sampling cotton head (39) enters the inner side of the sampling cylinder (41), and the sampling cotton head (39) is prevented from being exposed in the external space after sampling and virus propagation is caused;

thirdly, pressing a push rod (46) by fingers of a hand lifting the sampling cylinder (41), wherein the push rod (46) downwards presses the cutter sleeve (44), so that a blade body on the lower side of the cutter sleeve (44) cuts off a sampling cotton swab rod (36) connected with a sampling cotton head (39), the sampling cotton head (39) falls into the sample cylinder (49), the cutter sleeve (44) is embedded into the sample cylinder (49) to seal the upper end of the sample cylinder (49), a rubber sealing body (43) seals the joint position between the cutter sleeve (44) and the sample cylinder (49), the sample cylinder (49) is rotatably disassembled, nucleic acid detection is carried out after the sample cylinder (49) is taken away, the time of exposing the sampling cotton head (39) to the external space is shortened, and the propagation probability is reduced;

after the fourth step of detection is finished, the electric telescopic rod (15) is controlled and adjusted to contract, when the limiting backup plate (13) is driven to translate towards the inside of the disinfection box (10), the limiting backup plate (13) moves to the position of the inner linkage plate (29), the limiting backup plate (13) extrudes and pushes the inner linkage plate (29), the inner linkage plate (29) enables the rotary column (16) to rotate, the rotary column (16) enables the outer linkage plate (27) to synchronously rotate, in the process, the outer linkage plate (27) extrudes the sealing sliding plate (14) towards the inner side of the disinfection box (10), the sealing sliding plate (14) slides to the inner side of the disinfection box (10), so that the left port of the disinfection box (10) is sealed, then the lifting electric telescopic rod (18) is started to slowly extend downwards, the roller (20) penetrates through the through hole (17) downwards, and the roller (20) just rolls downwards along the left end face of the limiting backup plate (13), in the process, the roller (20) also drives the push-pull pipe (21) to move downwards, so that the push-pull pipe (21) pushes the piston block (32) to extrude towards the lower side of the piston cylinder (22), and as the port of the bottom of the piston cylinder (22) connected with the communicating pipe (24) is limited by the one-way valve (23), the disinfectant in the piston cylinder (22) can only flow upwards into the push-pull pipe (21), then enters the roller (20) along the push-pull pipe (21) and is sprayed out from the atomizing spray holes (33) on the roller (20), and the roller (20) rolls downwards along the end surface of the limit backup plate (13), so that the limit backup plate (13) is disinfected, the small air dryer (19) continuously sprays air towards the right, the end surface of the limit backup plate (13) wetted with the disinfectant is dried in the air, when the lifting electric telescopic rod (18) contracts and drives the roller (20) to ascend and reset, the push-pull pipe (21) is lifted along with the push-pull pipe, so that the push-pull pipe (21) drives the piston block (32) to lift upwards to vacate the inner space of the piston cylinder (22), and the disinfectant in the disinfectant storage tank (25) is convenient to supply disinfectant to the piston cylinder (22) through the communicating pipe (24);

fifthly, after the sample cylinder (49) is taken away, the sample cylinder (41) is directly thrown into the throwing opening (61), the sealing baffle (60) is pressed downwards in the process, the sealing baffle (60) rotates downwards to an inclined position, the sealing baffle (60) pulls the transition baffle (57) to rotate upwards to a horizontal position through the linkage rope (58) in the process, the sealing baffle (60) is also just lapped on the transition baffle (57), so that the used sampling cylinder (41) slides to the transition baffle (57) along the inclined sealing baffle (60), then the closing baffle (60) is loosened, the closing baffle (60) is rotated to the horizontal position to close the feeding opening (61), the transition baffle (57) is restored to the downward inclined position, so that the sampling cylinder (41) can conveniently slide to the bottom of the containing box (56), and the sampling cylinder (141) is prevented from directly falling into the containing box (56).