CN112971859A

CN112971859A - Full-automatic self-service collection equipment of nucleic acid detection pharynx swab

Info

Publication number: CN112971859A
Application number: CN202110165303.9A
Authority: CN
Inventors: 武长春; 赵东明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-06-18

Abstract

The invention provides a nucleic acid detection throat swab full-automatic self-service acquisition device, which comprises: the height limiting device of the human body limiting assembly is arranged on the bottom surface and used for adjusting the height of a human body sitting posture, and the head limiting device is arranged above the height limiting device and used for adjusting the pitching angle; the double-linear guide rail device of the acquisition driving assembly is obliquely arranged on the front side of the head limiting device, the mechanical arm is arranged on the double-linear guide rail device, and the clamp is arranged at the end part of the mechanical arm; the cotton swab frame assembly is arranged below the double-linear guide rail device and positioned on the front side of the head limiting device, and the cotton swab is clamped by the clamp; the sample storage tube is arranged on the front side of the head limiting device and below the mechanical arm; the control device is electrically connected with the human body limiting assembly, the acquisition driving assembly and the cotton swab frame assembly. The technical scheme of the invention effectively solves the problems that sampling personnel are high in infection risk and the inspected personnel are easy to cross-infect during throat swab sampling in the prior art.

Description

Full-automatic self-service collection equipment of nucleic acid detection pharynx swab

Technical Field

The invention relates to the technical field of throat swab collecting equipment, in particular to a full-automatic self-service collecting equipment for nucleic acid detection throat swabs.

Background

The normal oral cavity normal flora is cultured in the angina of a normal person without the growth of pathogenic bacteria. The bacteria in the pharynx come from the outside, and normally do not cause diseases, but the body can have lowered resistance in the whole body or part and other external factors can cause infection and the like to cause diseases. Therefore, the bacterial culture of the pharyngeal swab can separate out pathogenic bacteria, and is beneficial to diagnosis of diphtheria, suppurative tonsillitis, acute pharyngolaryngitis and the like.

In 2020, the new crown epidemic situation is rolled around the world, and in order to quickly detect whether a human body carries the new crown virus, all countries commonly use a throat swab sampling detection method to detect the nucleic acid of the new crown virus, if the throat swab is positive, the nucleic acid detection is positive, which indicates that the new crown virus is carried in the human body.

In the prior art, when sampling a throat swab for detecting new coronavirus nucleic acid, medical gloves are generally worn by hands of medical staff, a small amount of secretion is dipped from the throat of a human body by using a medical cotton swab, and the throat swab is inoculated in a special culture dish. But the risk of infection to the healthcare worker is increased as the healthcare worker may contact a large number of persons under test. In addition, after the medical staff collects the previous sample, cross infection is easily caused because gloves are not replaced or the disinfection is not thorough.

Therefore, how to design a pharyngeal swab collecting device which can effectively reduce the infection risk of pharyngeal swab samplers and the cross infection risk of detected personnel becomes a hot spot of research in the industry.

Disclosure of Invention

The invention mainly aims to provide a full-automatic self-service nucleic acid detection throat swab collecting device, which aims to solve the problems that sampling personnel are high in infection risk and the inspected personnel are easy to cross-infect during throat swab sampling in the prior art.

In order to achieve the above object, the present invention provides a nucleic acid detection pharyngeal swab full-automatic self-service collection device, comprising: the human body limiting assembly comprises a height limiting device and a head limiting device, the height limiting device is arranged on the bottom surface and used for adjusting the height of a human body sitting posture, and the head limiting device is arranged above the height limiting device and used for adjusting the head pitching angle; the acquisition driving assembly comprises a double-linear guide rail device, a mechanical arm and a clamp, wherein the double-linear guide rail device is obliquely arranged on the front side of the head limiting device, the first end of the mechanical arm is arranged on the double-linear guide rail device, and the clamp is arranged at the end part of the second end of the mechanical arm; the cotton swab rack assembly comprises a cotton swab with a protective structure and a belt conveying device, the cotton swab rack assembly is arranged below the double-linear-guide-rail device and positioned on the front side of the head limiting device, and the cotton swab is clamped by the clamp; the sample storage tube is arranged on the front side of the head limiting device, is arranged below the mechanical arm and is positioned on the front side of the cotton swab frame assembly; and the control device is electrically connected with the human body limiting assembly, the acquisition driving assembly and the cotton swab frame assembly.

Further, the cotton swab comprises a cotton swab head, a cotton swab rod, a protective cover and a clamping portion, the head of the cotton swab rod is provided with the cotton swab head, the tail of the cotton swab rod is provided with the clamping portion, and the protective cover is arranged close to the clamping portion.

Furthermore, the clamping part is provided with one or more thin rods which are mutually crossed with the cotton swab stick.

Further, height limiting device includes seat board and elevating gear, and the seat board sets up on elevating gear.

Further, head stop device includes chin stop device, hind brain stop device and facial frame selection device, and hind brain stop device passes through back support setting on ground, and chin stop device sets up in hind brain stop device's front side, and facial frame selection device slope sets up on chin stop device's upper portion, and hind brain stop device's top links to each other with facial frame selection device's top.

Further, the lower jaw limiting device comprises a rotating motor and a partition plate, the rotating motor is arranged on the front side of the double-linear guide rail device and located on the opposite side of the hindbrain limiting device, and the rotating motor is connected with one end of the partition plate to drive the partition plate to rotate by a preset angle.

Furthermore, the double-linear guide rail device comprises a first guide rail, a second guide rail and a support plate, wherein two ends of the support plate are respectively installed on the first guide rail and the second guide rail, the first guide rail is a driving guide rail, and the second guide rail and the first guide rail are driven to synchronously rotate through a transmission shaft.

Further, the robot arm has a plurality of degrees of freedom, and the jig provided at the end thereof is rotatable along the center line of the jig.

Further, the mechanical arm comprises a first motor, a connecting piece, a second motor, a third motor and a steering engine, wherein the body of the first motor is arranged on the supporting plate, the output end of the first motor is connected with the first end of the connecting piece, the second end of the connecting piece is connected with the body of the second motor, the output end of the second motor is connected with the body of the third motor, the output end of the third motor is connected with the clamp and drives the clamp to rotate, and the steering engine is arranged on the clamp to drive the clamp to open and close.

Further, the belt conveying device comprises a toothed belt, an annular frame, a driving motor and a plurality of hollow cylinders which are arranged on the reverse side of saw teeth of the toothed belt and have the same interval, the openings of the hollow cylinders face upwards, the driving motor is arranged on the annular frame, the toothed belt is arranged around the annular frame, and the driving motor drives the toothed belt to rotate around the annular frame.

Compared with the prior art, the invention has the advantages that:

by applying the technical scheme of the invention, a sampling person only needs to place a cotton swab with a protection structure on the belt conveying device of the cotton swab frame assembly, then the power supply of the device is switched on, and the sampling person waits for the operation of the tested person. The predetermined position of equipment is placed with the sample save tube to the survey personnel, sits on high stop device, click controlling means's the button of starting to sample, then high stop device work is automatic will be surveyed the personnel and rise predetermined height, makes survey personnel's head rise to head stop device's position, and head stop device adjusts the head, adjusts the head gesture of looking up that is fit for the sampling, then under the suggestion of controlling means pronunciation, opens the mouth, waits for to gather the drive assembly action.

Gather drive assembly's two linear guide device drive arm and reach the top of cotton swab frame subassembly, then arm multi freedom moves, makes anchor clamps press from both sides and gets a cotton swab, then gathers drive assembly and makes the cotton swab aim at the oral cavity pharynx that is surveyed personnel, and the arm moves and makes the cotton swab get into the pharynx and carry out the collection of pharynx swab. After gathering, the arm inserts the cotton swab in the sample save tube, then high stop device and head stop device reset, and the sample save tube that has the cotton swab is taken away to the personnel that test, give the sampling personnel can.

In conclusion, because the equipment of the invention omits the direct contact between the sampling personnel and the tested personnel, the risk of infection of the sampling personnel is greatly reduced. And moreover, the equipment adopts the cotton swab with the protection structure for sampling, sampling personnel do not need to collect, and only the tested personnel need to operate autonomously, so that the risk of cross infection is greatly reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic overall structure according to the invention;

FIG. 2 shows a schematic view of the collection drive assembly and swab holder of FIG. 1;

FIG. 3 is a schematic diagram of the robot arm of FIG. 1;

fig. 4 shows a schematic view of the structure of the swab of fig. 1.

Wherein the figures include the following reference numerals:

10. a human body limiting component; 11. a height limiting device; 111. a seat plate; 112. a lifting device; 12. a head limiting device; 121. a lower jaw limiting device; 1211. a rotating electric machine; 1212. a partition plate; 122. a hindbrain stop device; 123. a face framing device;

20. a collection drive assembly; 21. a double linear guide rail device; 211. a first guide rail; 212. a second guide rail; 213. a support plate; 22. a mechanical arm; 221. a first motor; 222. a connecting member; 223. a second motor; 224. a third motor; 225. a steering engine; 23. a clamp;

30. a swab holder assembly; 31. cotton swabs; 311. a cotton swab head; 312. a cotton swab stick; 313. a protective cover; 314. a clamping portion; 32. a belt conveyor; 321. a toothed belt; 322. an annular frame; 323. a drive motor; 324. a hollow cylinder;

40. a sample storage tube.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

As shown in fig. 1 to 4, the nucleic acid detecting pharyngeal swab fully-automatic self-service collection device of the present embodiment includes: the human body limiting assembly 10 comprises a height limiting device 11 and a head limiting device 12, wherein the height limiting device 11 is arranged on the bottom surface and used for adjusting the height of a human body sitting posture, and the head limiting device 12 is arranged above the height limiting device 11 and used for adjusting the head pitching angle; the acquisition driving assembly 20 comprises a double-linear guide rail device 21, a mechanical arm 22 and a clamp 23, wherein the double-linear guide rail device 21 is obliquely arranged on the front side of the head limiting device 12, the first end of the mechanical arm 22 is arranged on the double-linear guide rail, and the clamp 23 is arranged at the end part of the second end of the mechanical arm 22; the cotton swab frame assembly 30 comprises a cotton swab 31 with a protection structure and a belt conveying device 32, the cotton swab frame assembly 30 is arranged below the double-linear-guide-rail device 21 and located on the front side of the head limiting device 12, and the clamp 23 clamps the cotton swab 31; a sample holding tube 40 disposed in front of the head restraint 12, below the robot arm 22, and in front of the swab holder assembly 30; and the control device is electrically connected with the human body limiting assembly 10, the acquisition driving assembly 20 and the cotton swab frame assembly 30.

By applying the technical scheme of the embodiment, a sampler only needs to place the cotton swab 31 with the protection structure on the belt conveying device 32 of the cotton swab rack assembly 30, and then the power supply of the device is switched on to wait for the self operation of the tested person. The predetermined position of equipment is placed with sample save tube 40 to the personnel of being surveyed, sit on high stop device 11, click controlling means's the button of starting to sample, then high stop device 11 work is automatic will be surveyed personnel and rise to predetermined height, make the head that is surveyed personnel rise to head stop device 12's position, head stop device 12 adjusts the head, adjust to the head gesture of looking over that is fit for the sampling, then under the suggestion of controlling means pronunciation, open the mouth, wait to gather drive assembly 20 action. The double-linear guide rail device 21 of the acquisition driving assembly 20 drives the mechanical arm 22 to reach the position above the cotton swab frame assembly 30, then the mechanical arm 22 moves in multiple degrees of freedom, the clamp 23 clamps a cotton swab, then the acquisition driving assembly 20 enables the cotton swab 31 to be aligned to the oral pharynx of a person to be tested, and the mechanical arm 22 moves to enable the cotton swab 31 to enter the pharynx to carry out pharynx swab acquisition. After the collection, the mechanical arm 22 inserts the cotton swab 31 into the sample storage tube, then the height limiting device 11 and the head limiting device 12 reset, and the tested person takes away the sample storage tube 40 with the cotton swab 31 and gives the sample storage tube to the sampling person. In conclusion, because the equipment of this embodiment has saved the direct contact of sampling personnel with the personnel that are surveyed, has greatly reduced the infected risk of sampling personnel. And, equipment adopts cotton swab 31 that has protective structure to sample, does not need the sampling personnel to go to gather, only needs the personnel of being surveyed to operate independently, greatly reduces cross infection's risk.

It should be noted that a camera may be disposed on the fixture 23, and the camera is used for identifying the position of the face and the position of the mouth, so that the mechanical arm 22 performs corresponding actions according to the positions identified by the camera, and the cotton swab 31 gripped by the fixture 23 is accurately sent into the oral cavity.

As shown in fig. 1 to 4, in one embodiment, the cotton swab 31 includes a cotton swab head 311, a cotton swab rod 312, a protective cover 313 and a clamping portion 314, the cotton swab head 311 is disposed at the head of the cotton swab rod, the clamping portion 314 is disposed at the tail of the cotton swab rod 312, and the protective cover 313 is disposed near the clamping portion 314. The cotton swab among the prior art is mostly the combination of cotton swab head and cotton swab stick, and simple structure when medical personnel sampled, very easily because the deep oral cavity of cotton swab leads to the droplet blowout, also causes medical personnel's the contact in hand and the oral cavity easily, easily causes cross infection. In the embodiment, the protective cover 313 can isolate the oral cavity from the clamp 23, so as to prevent the spray in the oral cavity from being contaminated on the clamp 23 and causing cross infection with the next person.

It should be noted that the protective cover 313 is a thin shell with a concave middle, the concave center position is connected with the swab rod 312, and the concave inner part of the thin shell faces the mouth, so that the mouth is covered and shielded, and the spray is effectively blocked from spreading.

In one embodiment, as shown in fig. 1-4, the gripping portion 314 is provided with one or more thin rods that cross the swab stick 312. Among the prior art, the cotton swab stick is mostly cylindrical slender pole, uses the difficult centre gripping of anchor clamps 23. In this embodiment, the holding portion 314 is the tail of the cotton swab 31, and the tail of the cotton swab 31 is a thin rod which is mutually crossed, so that the holder 23 with a planar holding surface can hold the tail of the cotton swab 31, and the cotton swab 31 can move along with the movement of the holder 23, thereby better completing the sampling movement of the pharyngeal swab.

As shown in fig. 1 to 4, in one embodiment, the height limiting device 11 includes a seat plate 111 and a lifting device 112, and the seat plate 111 is disposed on the lifting device 112. The arrangement enables the head height of a tested person to be well adjusted.

As shown in fig. 1 to 4, in one embodiment, the head restraint 12 includes a chin restraint 121, a hindbrain restraint 122 and a face-framing device 123, the hindbrain restraint 122 is disposed on the ground through a back support, the chin restraint 121 is disposed at the front side of the hindbrain restraint 122, the face-framing device 123 is obliquely disposed at the upper portion of the chin restraint 121, and the top of the hindbrain restraint 122 is connected to the top of the face-framing device 123. The chin limiting device 121 can limit the chin of the testee, so that the testee can raise his head by 45 degrees, and sampling is facilitated. The facial frame selection device 123 facilitates self-positioning of the sampling position of the face of the subject, and the facial frame selection device 123 can be used as a basis for identifying and positioning the camera, so that the mechanical arm 22 drives the clamp 23 to find the oral cavity position more accurately. The hindbrain limiting device 122 positions the head anteroposteriorly and prevents the testee from being too far away or too close to each other, so that the error of the sampling position is large.

It should be noted that the hindbrain stop device 122 includes a baffle and a horizontal drive device. The face frame selection device 123 is connected with the top of the hindbrain limiting device 122 through a damping hinge, and the inclination angle of the face frame selection device 123 is adjusted through the damping hinge, so that the application range is wide.

As shown in fig. 1 to 4, in one embodiment, the chin limiting device 121 includes a rotating motor 1211 and a partition 1212, the rotating motor 1211 is disposed at a front side of the double linear guide device 21 at an opposite side of the occipital limiting device 122, and the rotating motor 1211 is connected to one end of the partition 1212 to rotate the partition 1212 by a predetermined angle. The end of the septum 1212 may be provided with a sensor, such as a pressure sensor, to determine contact with the person's chin and then stop the motion.

As shown in fig. 1 to 4, in one embodiment, the dual linear guide device 21 includes a first guide rail 211, a second guide rail 212, and a support plate 213, two ends of the support plate 213 are respectively mounted on the first guide rail 211 and the second guide rail 212, the first guide rail 211 is a driving guide rail, and the second guide rail 212 is driven by a transmission shaft to rotate synchronously with the first guide rail 211.

As shown in fig. 1 to 4, in one embodiment, the robot arm 22 has a plurality of degrees of freedom, and the gripper 23 provided at the end thereof is rotatable along the center line of the gripper 23. The mechanical arm 22 not only drives the clamp 23 to pick up the cotton swab 31, but also drives the clamp 23 to complete the sampling of the throat swab.

As shown in fig. 1 to 4, in an implementation technical solution, the robot arm 22 includes a first motor 221, a connecting member 222, a second motor 223, a third motor 224, and a steering engine 225, a body of the first motor 221 is disposed on the supporting plate 213, an output end of the first motor 221 is connected to a first end of the connecting member 222, a second end of the connecting member 222 is connected to a body of the second motor 223, an output end of the second motor 223 is connected to a body of the third motor 224, an output end of the third motor 224 is connected to the clamp 23 and drives the clamp 23 to rotate, and the steering engine 225 is mounted on the clamp 23 to drive the clamp 23 to open and close.

It should be noted that the sampling action of the pharyngeal swab typically includes back and forth rubbing and rotational rubbing of the swab 31. The first motor 221, the connecting member 222 and the second motor 223 realize the forward and backward movement of the clamp 23, thereby completing the forward and backward rubbing of the cotton swab 31. The rotation axis of the output shaft of the third motor 224 is perpendicular to the first motor 221 and the second motor 223, the rotation of the third motor 224 drives the rotation of the clamp 23, the rotation of the clamp 23 drives the rotation of the swab 31, and therefore the rotation friction sampling of the swab 31 is completed. The steering gear 225 opens and closes the clamp 23. The structure of here, the action of analog sampling thoroughly liberates medical personnel manual sampling, realizes automatic sampling, effectively reduces sampling personnel and the contact that receives the personnel to reduce sampling personnel's work risk, reduce the risk that receives personnel cross infection.

As shown in fig. 1 to 4, in one embodiment, the belt conveyer 32 includes a toothed belt 321, an annular frame 322, a driving motor 323, and a plurality of hollow cylinders 324 disposed on the opposite side of the teeth of the toothed belt at equal intervals, wherein the hollow cylinders 324 are opened upward, the driving motor 323 is disposed on the annular frame 322, the toothed belt 321 is disposed around the annular frame 322, and the driving motor 323 drives the toothed belt 321 to rotate around the annular frame 322. In use, a sampler or worker only needs to insert the cotton swab head 311 of the cotton swab 31 into the hollow cylinder 324, so that the clamping part 314 faces upwards, and the clamping of the clamp 23 is facilitated. After the gripper 23 grips, the toothed belt 321 rotates to transfer the swab 31 at the next position to the position to be gripped by the gripper 23. The belt conveyor 32 can realize the automatic conveying of the cotton swabs 31, thereby being beneficial to realizing the automation of the whole equipment as much as possible. It should be noted that the belt conveyer 32 further includes an adjusting structure, and the adjusting structure adjusts the holding portion 314 of the swab 31 to a direction, so as to facilitate the gripping by the gripper 23.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a full-automatic self-service collection equipment of nucleic acid detection pharynx swab which characterized in that includes:

the human body limiting assembly (10) comprises a height limiting device (11) and a head limiting device (12), the height limiting device (11) is arranged on the bottom surface and used for adjusting the height of a human body in a sitting posture, and the head limiting device (12) is arranged above the height limiting device (11) and used for adjusting the head pitching angle;

the acquisition driving assembly (20) comprises a double-linear guide rail device (21), a mechanical arm (22) and a clamp (23), the double-linear guide rail device (21) is obliquely arranged on the front side of the head limiting device (12), the first end of the mechanical arm (22) is arranged on the double-linear guide rail device (21), and the clamp (23) is arranged at the end part of the second end of the mechanical arm (22);

the cotton swab rack assembly (30) comprises cotton swabs (31) with a protective structure and a belt conveying device (32), the cotton swab rack assembly (30) is arranged below the double-linear-guide-rail device (21) and located on the front side of the head limiting device (12), and the cotton swabs (31) are clamped by the clamp (23);

a sample retention tube (40) disposed forward of the head restraint (12) and below the robotic arm (22) and forward of the swab rack assembly (30);

and the control device is electrically connected with the human body limiting assembly (10), the acquisition driving assembly (20) and the cotton swab frame assembly (30).

2. The automatic self-service nucleic acid detection throat swab collecting device according to claim 1, wherein the cotton swab (31) comprises a cotton swab head (311), a cotton swab rod (312), a protective cover (313) and a clamping portion (314), the head of the cotton swab rod (312) is provided with the cotton swab head (311), the tail of the cotton swab rod (312) is provided with the clamping portion (314), and the protective cover (313) is arranged close to the clamping portion (314).

3. A nucleic acid detecting pharyngeal swab fully-automatic self-service collection device according to claim 2, characterized in that the clamping portion (314) is provided with one or more thin rods crossing the swab stick (312).

4. The automatic self-service nucleic acid detection throat swab collecting device according to claim 1, wherein the height limiting device (11) comprises a seat plate (111) and a lifting device (112), and the seat plate (111) is arranged on the lifting device (112).

5. The fully automatic self-service nucleic acid detecting throat swab collecting device according to claim 1 or 4, wherein the head limiting device (12) comprises a lower jaw limiting device (121), a hindbrain limiting device (122) and a face framing device (123), the hindbrain limiting device (122) is arranged on the ground through a back support, the lower jaw limiting device (121) is arranged on the front side of the hindbrain limiting device (122), the face framing device (123) is obliquely arranged on the upper portion of the lower jaw limiting device (121), and the top of the hindbrain limiting device (122) is connected with the top of the face framing device (123).

6. The automatic self-service nucleic acid detecting throat swab collecting device according to claim 5, wherein the lower jaw limiting device (121) comprises a rotating motor (1211) and a partition plate (1212), the rotating motor (1211) is arranged on the front side of the double linear guide rail device (21) and is located on the opposite side of the hindbrain limiting device (122), and the rotating motor (1211) is connected with one end of the partition plate (1212) to drive the partition plate (1212) to rotate by a preset angle.

7. A nucleic acid detection pharyngeal swab full-automatic self-service collection device according to claim 1, characterized in that the double-linear guide rail device (21) comprises a first guide rail (211), a second guide rail (212) and a support plate (213), both ends of the support plate (213) are respectively installed on the first guide rail (211) and the second guide rail (212), the first guide rail (211) is an active guide rail, and the second guide rail (212) is driven by a transmission shaft to rotate synchronously with the first guide rail (211).

8. The fully automatic self-service nucleic acid detecting throat swab collecting device according to claim 1 or 7, wherein the mechanical arm (22) has multiple degrees of freedom, and the clamp (23) arranged at the end of the mechanical arm can rotate along the central line of the clamp (23).

9. The nucleic acid detection pharyngeal swab full-automatic self-service collection device according to claim 7, it is characterized in that the mechanical arm (22) comprises a first motor (221), a connecting piece (222), a second motor (223), a third motor (224) and a steering engine (225), the body of the first motor (221) is arranged on the supporting plate (213), the output end of the first motor (221) is connected with the first end of the connecting piece (222), the second end of the connecting piece (222) is connected with the body of the second motor (223), the output end of the second motor (223) is connected with the body of the third motor (224), the output end of the third motor (224) is connected with the clamp (23) and drives the clamp (23) to rotate, the steering engine (225) is installed on the clamp (23) to drive the clamp (23) to open and close.

10. A nucleic acid detecting pharyngeal swab fully-automatic self-service collection device according to claim 1, wherein the belt conveying device (32) comprises a toothed belt (321), an annular frame (322), a driving motor (323) and a plurality of hollow cylinders (324) which are arranged on the sawtooth reverse side of the toothed belt and have the same interval, the openings of the hollow cylinders (324) are upward, the driving motor (323) is arranged on the annular frame (322), the toothed belt (321) is arranged around the annular frame (322), and the driving motor (323) drives the toothed belt (321) to rotate around the annular frame (322).