CN112568941A

CN112568941A - Self-service collection system of pharynx swab

Info

Publication number: CN112568941A
Application number: CN202110019777.2A
Authority: CN
Inventors: 贾蕊亲
Original assignee: Shijiazhuang Kailu Trading Co ltd
Current assignee: Shijiazhuang Kailu Trading Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-03-30

Abstract

The invention discloses a self-service collection device of throat swabs, which comprises a placement head, wherein a twisting cavity with a downward opening is arranged in the placement head, a test tube mechanism is arranged in the twisting cavity and used for automatically opening a test tube, according to the shape of the swabs, when throat swab collection is needed, a swab packaging bag is opened by using an occlusion claw, a tail clamping block is controlled to be matched with a clamping block to rotate elastically to sample throat mucus, the throat mucus can be stained on the swabs to the maximum extent, and the swabs are automatically and accurately placed in the test tube after sampling, so that the infection risk of medical personnel is reduced, the self-service collection device has very important functions of disaster relief and epidemic prevention, military and war preparation and economic development promotion, and is worthy of vigorous popularization.

Description

Self-service collection system of pharynx swab

Technical Field

The invention relates to the field related to medical test tubes, in particular to a self-service collection device for throat swabs.

Background

Medical test tube is including the heparin tube, pharynx swab sampling tube etc, be used for holding the body fluid sample, pharynx swab sample is just with medical cotton swab, collect the secretion from human pharynx or tonsil, the sample of taking is put into and is deposited the sample of making in the test tube, be used for helping clinical diagnosis, such as measles, hand-foot-and-mouth disease, influenza, the virus screening, when clinical suspected case of consideration, it carries out nucleic acid detection to alloww to gather the pharynx swab, but at the in-process that pharynx swab was gathered, medical personnel need be the protective clothing, wear double-deck gloves, and must change gloves after accomplishing a sample, this infection risk that has not only increased medical personnel, also greatly influence sampling efficiency, consequently, how to accomplish the automatic acquisition and the save of pharynx swab sample is the problem of treating promptly automatically.

Disclosure of Invention

The invention aims to provide a self-service collecting device for throat swabs, which overcomes the problems.

The invention is realized by the following technical scheme.

The invention discloses a self-service collecting device for throat swabs, which comprises a mounting head, wherein a screwing cavity with a downward opening is arranged in the mounting head, a test tube mechanism is arranged in the screwing cavity, and the test tube mechanism is used for automatically opening a test tube;

the lower end face of the arranging head is embedded with a steering motor, the lower end face of the steering motor is fixedly provided with a hydraulic rod, the hydraulic rod is externally provided with a hydraulic cylinder in a sliding manner, the hydraulic cylinder is embedded in the rear end face of the arranging block, the arranging block is provided with a swab arranging cavity with an upward opening, a swab taking-out mechanism is arranged in the swab arranging cavity and comprises a first transmission cavity arranged in the arranging head, a first motor is embedded in the right inner wall of the first transmission cavity, the left end face of the first motor is fixedly provided with a first rotating shaft, a first gear is fixedly arranged on the first rotating shaft and is meshed with a second gear, the left end face and the right end face of the second gear are symmetrically and fixedly provided with a first screw rod, the rear inner wall of the swab arranging cavity is provided with two first sliding grooves with forward openings, and the two first sliding grooves are symmetrically distributed with the first transmission cavity as a symmetric center, the end face of the first screw rod, which is far away from the second gear, is rotationally connected with the inner wall of the first chute, which is far away from the second gear, the first screw rod is in threaded connection with a first slider, the first slider is in sliding connection with the first chute, a support rod is fixedly arranged on the front end face of the first screw rod, a clamping block is fixedly arranged on the front end face of the support rod, a second transmission cavity with an inward opening is arranged in the clamping block, an expansion rod is fixedly arranged on the inner wall of the second transmission cavity, which is far away from the second gear, the end face of the expansion rod, which is close to the second gear, is fixedly provided with a second slider, a fixed shaft is rotationally arranged in the second slider, two occlusion claws are rotationally arranged on the fixed shaft, a first spring is fixedly arranged between the two occlusion claws, the occlusion claws are used for fixing and clamping a swab packaging bag, and the support rod is driven to move towards the, the swab packaging bag is opened, so that the swab is convenient to clamp by a subsequent sampling mechanism;

a sampling block is fixedly arranged on the left end face of the placement head, a steering cavity with a downward and forward opening is arranged in the sampling block, the sampling mechanism is arranged in the steering cavity, the sampling mechanism comprises a second rotating shaft fixedly arranged on the front end face of the sampling block, a torsional spring is fixedly arranged on the second rotating shaft, a baffle is fixedly arranged on the torsional spring, a traction rope is fixedly wound on the second rotating shaft, a third sliding block is fixedly arranged on the rear end face of the traction rope, a compression spring and a thin rope are fixedly arranged on the rear end face of the third sliding block, a second sliding groove with a downward opening is arranged on the upper side inner wall and the rear side inner wall of the steering cavity, the third sliding block is arranged in the second sliding groove in a sliding manner, a sampling motor is fixedly arranged on the lower end face of the third sliding block, a third rotating shaft is fixedly arranged on the lower end face of the sampling motor, a detection block is fixedly arranged on the lower end face of, a second spring is fixedly arranged on the inner wall of the upper side of the third chute, a pressure block is fixedly arranged on the lower end face of the second spring, the pressure block is connected with the third chute in a sliding manner, a clamping block is fixedly arranged on the lower end face of the pressure block, a third transmission cavity is arranged in the clamping block, a second motor is embedded in the inner wall of the front side of the third transmission cavity, a fourth rotating shaft is fixedly arranged on the rear end face of the second motor, a third gear is fixedly arranged on the fourth rotating shaft, the third gear is meshed with the fourth gear and is connected with the fourth gear, a second lead screw is fixedly arranged on the fourth gear in a manner of right end face symmetry, a fourth transmission cavity with a downward opening is arranged in the clamping block, a fourth chute with a downward opening in bilateral symmetry is arranged on the inner wall of the upper side of the fourth transmission cavity, the inner wall of the fourth chute far away from the fourth gear is rotatably connected with the end face, the upper thread of the second screw rod is connected with a sliding rod, the sliding rod is connected with the fourth sliding groove in a sliding mode, a tail clamping block is fixedly arranged on the lower end face of the sliding rod, and the tail clamping block can clamp the tail of the swab after being close to each other.

Preferably, institute's test tube mechanism includes twist and move chamber upside inner wall and inlay the third motor that is equipped with, the fixed fifth pivot that is equipped with of terminal surface under the third motor, the terminal surface is fixed to be equipped with down and twists the piece under the fifth pivot, it is equipped with the decurrent fifth transmission chamber of opening in the piece to twist, the fixed electromagnetic block that is equipped with of fifth transmission chamber upside inner wall, the fixed third spring that is equipped with of terminal surface about the electromagnetic block, the third spring is kept away from the terminal surface of electromagnetic block is fixed and is equipped with the iron slider, the iron slider is kept away from the terminal surface of electromagnetic block is fixed and is equipped with the twist-cap grip block, twist-cap grip block is used for centre gripping test tube cap to start through the third motor, drive fifth pivot and rotate and open test tube cap.

Preferably, sampling mechanism still includes the sixth transmission chamber that is equipped with in the sample piece, the fixed fourth motor that is equipped with of sixth transmission chamber front side inner wall, the fixed sixth pivot that is equipped with of fourth motor rear end face, the fixed reel that is equipped with in the sixth pivot, it has to coil on the reel the fine rule.

Preferably, test tube lid and test tube threaded connection, settle the piece and be equipped with the ascending test tube of opening and settle the chamber, the test tube is settled the intracavity wall and is equipped with four inward pressure chambeies of opening, the fixed fourth spring that is equipped with of pressure intracavity, it is equipped with rubber slide to slide in the pressure chamber, rubber slide keeps away from the test tube settle the terminal surface in chamber with fourth spring fixed connection.

Preferably, the swab packaging bag is placed on the inner wall of the lower side of the swab mounting cavity, the swab is arranged in the swab packaging bag, the swab packaging bag can be opened by tearing two sides of the swab packaging bag, and the tail portion of the swab can be exposed.

Preferably, the test tube contains a buffer solution for maintaining the activity of the secretion on the swab.

Preferably, after the electromagnetic block is electrified, attractive force can be generated on the iron sliding block to attract the iron sliding block to be close to the electromagnetic block.

The invention has the beneficial effects that: according to the shape of the swab, when throat swabs need to be collected, the occlusion claw is used for opening a swab packaging bag, the tail clamping block is controlled to be matched with the clamping block to rotate elastically to sample throat mucus, the throat mucus can be attached to the swab to the maximum extent, and the accurate placement of the swab in a test tube is automatically completed after sampling, so that the infection risk of medical workers is reduced, the occlusion claw has very important functions for disaster relief and epidemic prevention, military combat readiness and economic development promotion, and is worthy of vigorous popularization.

Drawings

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

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of the present invention in the direction of A-A in FIG. 1;

FIG. 3 is a schematic view of the embodiment of the present invention in the direction B-B in FIG. 1;

FIG. 4 is a schematic view of the embodiment of the present invention in the direction of C-C in FIG. 1;

FIG. 5 is an enlarged schematic view of the embodiment of the present invention at D in FIG. 1;

FIG. 6 is an enlarged schematic view of the embodiment of the present invention at E in FIG. 2;

FIG. 7 is an enlarged schematic view at F in FIG. 3 according to an embodiment of the present invention;

FIG. 8 is an enlarged view of the embodiment of the present invention shown in FIG. 3 at G.

Detailed Description

The invention will now be described in detail with reference to fig. 1-8, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The self-service collecting device for throat swabs, which is described in conjunction with fig. 1-8, includes a placing head 10, a screwing cavity 56 with a downward opening is arranged in the placing head 10, a test tube mechanism 90 is arranged in the screwing cavity 56, and the test tube mechanism 90 is used for automatically opening a test tube;

the utility model discloses a swab arranging device, including arranging head 10, the terminal surface inlays and is equipped with steering motor 58, steering motor 58 is terminal surface is fixed to be equipped with hydraulic stem 31, hydraulic stem 31 slides outward and is equipped with pneumatic cylinder 30, pneumatic cylinder 30 inlays and establishes in arranging piece 11 rear end face, it is equipped with the ascending swab of opening and settles chamber 19 to arrange piece 11, the swab is settled and is equipped with swab take-out mechanism 91 in the chamber 19, swab take-out mechanism 91 includes settle the first transmission chamber 32 that is equipped with in head 10, first motor 34 is inlayed and is equipped with to first transmission chamber 32 right side inner wall, first motor 34 left end face is fixed and is equipped with first pivot 33, fixed being equipped with first gear 35 in the first pivot 33, first gear 35 is connected with second gear 36 meshing, second gear 36 left and right sides face symmetry's fixed being equipped with first lead screw 38, the swab is settled chamber 19 rear side inner wall and is equipped with two first spout 39 that, the two first sliding grooves 39 are distributed symmetrically left and right with the first transmission cavity 32 as a symmetric center, the end surface of the first lead screw 38 far from the second gear 36 is rotationally connected with the inner wall of the first sliding groove 39 far from the second gear 36, the first lead screw 38 is in threaded connection with a first slider 37, the first slider 37 is in sliding connection with the first sliding groove 39, the front end surface of the first lead screw 38 is fixedly provided with a support rod 40, the front end surface of the support rod 40 is fixedly provided with a clamping block 41, the clamping block 41 is internally provided with a second transmission cavity 21 with an inward opening, the inner wall of the second transmission cavity 21 far from the second gear 36 is fixedly provided with an expansion link 68, the end surface of the expansion link 68 close to the second gear 36 is fixedly provided with a second slider 69, the second slider 69 is rotationally provided with a fixed shaft 70, the fixed shaft 70 is rotationally provided with two engagement claws 72, a first spring 73 is fixedly arranged between the two occlusion claws 72, the occlusion claws 72 are used for fixedly clamping the swab packaging bag 20, and the movement of the first slider 37 drives the support rod 40 to move in a direction away from the second gear 36, so that the swab packaging bag 20 is opened, and the swab 22 can be conveniently clamped by the subsequent sampling mechanism 92;

the left end face of the placement head 10 is fixedly provided with a sampling block 29, the sampling block 29 is internally provided with a steering cavity 24 with a downward and forward opening, the steering cavity 24 is internally provided with the sampling mechanism 92, the sampling mechanism 92 comprises a second rotating shaft 53 fixedly arranged on the front end face of the sampling block 29, the second rotating shaft 53 is fixedly provided with a torsional spring 54, the torsional spring 54 is fixedly provided with a baffle 52, the second rotating shaft 53 is fixedly wound with a traction rope 55, the rear end face of the traction rope 55 is fixedly provided with a third sliding block 25, the rear end face of the third sliding block 25 is fixedly provided with a compression spring 44 and a string 45, the upper inner wall and the rear inner wall of the steering cavity 24 are provided with second sliding grooves 43 with downward openings, the third sliding block 25 is arranged in the second sliding grooves 43 in a sliding manner, the lower end face of the third sliding block 25 is fixedly provided with a sampling motor 27, the lower end face of the sampling motor 27 is fixedly provided with a, the lower end face of the third rotating shaft 46 is fixedly provided with a detection block 47, a third sliding chute 48 with a downward opening is arranged in the detection block 47, a second spring 49 is fixedly arranged on the inner wall of the upper side of the third sliding chute 48, a pressure block 50 is fixedly arranged on the lower end face of the second spring 49, the pressure block 50 is in sliding connection with the third sliding chute 48, a clamping block 51 is fixedly arranged on the lower end face of the pressure block 50, a third transmission cavity 87 is arranged in the clamping block 51, a second motor 78 is embedded in the inner wall of the front side of the third transmission cavity 87, a fourth rotating shaft 80 is fixedly arranged on the rear end face of the second motor 78, a third gear 79 is fixedly arranged on the fourth rotating shaft 80, the third gear 79 is in meshing connection with a fourth gear 81, the fourth gear 81 is symmetrically and fixedly provided with a second lead screw 82, a fourth transmission cavity 86 with a downward opening is arranged in the clamping block 51, a fourth sliding chute 84 with a downward opening and left-right symmetry is arranged on the inner wall of the upper side of, the inner wall of the fourth sliding groove 84 far away from the fourth gear 81 is rotationally connected with the end face of the baffle 52 far away from the fourth gear 81, a sliding rod 83 is connected to the second screw rod 82 through threads, the sliding rod 83 is connected with the fourth sliding groove 84 in a sliding mode, a tail clamping block 85 is fixedly arranged on the lower end face of the sliding rod 83, and the tail clamping block 85 can clamp the tail of the swab 22 after being close to each other.

Beneficially, test tube mechanism 90 includes twist and move chamber 56 upside inner wall and inlay the third motor 59 that is equipped with, the fixed fifth pivot 64 that is equipped with of terminal surface under the third motor 59, the fixed twisting block 89 that is equipped with of terminal surface under the fifth pivot 64, be equipped with the fifth transmission chamber 63 that open side down in the twisting block 89, the fixed electromagnetic block 65 that is equipped with of fifth transmission chamber 63 upside inner wall, the fixed third spring 62 that is equipped with of terminal surface about the electromagnetic block 65, third spring 62 is kept away from the terminal surface of electromagnetic block 65 is fixed and is equipped with iron slider 61, iron slider 61 is kept away from the terminal surface of electromagnetic block 65 is fixed and is equipped with screw cap grip block 60, screw cap grip block 60 is used for centre gripping test tube cap 12 to start through third motor 59, drive fifth pivot 64 and rotate and open test tube cap 12.

Advantageously, the sampling mechanism 92 further comprises a sixth transmission cavity 74 arranged in the sampling block 29, a fourth motor 77 is fixedly arranged on the front inner wall of the sixth transmission cavity 74, a sixth rotating shaft 76 is fixedly arranged on the rear end face of the fourth motor 77, a reel 75 is fixedly arranged on the sixth rotating shaft 76, and the thin wire 45 is wound on the reel 75.

Beneficially, the test tube cover 12 is in threaded connection with a test tube 13, a test tube placing cavity 18 with an upward opening is arranged in the placing block 11, four pressure cavities 14 with inward openings are arranged on the inner wall of the test tube placing cavity 18, a fourth spring 15 is fixedly arranged in the pressure cavities 14, a rubber slider 16 is slidably arranged in the pressure cavities 14, and the end face, away from the test tube placing cavity 18, of the rubber slider 16 is fixedly connected with the fourth spring 15.

Advantageously, the swab packaging bag 20 is placed on the inner wall of the lower side of the swab placement chamber 19, the swab packaging bag 20 contains the swab 22, the swab packaging bag 20 can be opened by tearing both sides of the swab packaging bag, and the end of the swab 22 can be exposed.

Advantageously, the test tube 13 is filled with a buffer 17, the buffer 17 being intended to maintain the activity of the secretions on the swab.

Advantageously, the electromagnet block 65 is energized to generate an attractive force to the iron slider 61, so as to attract the iron slider 61 to approach the electromagnet block 65.

Application method

In the initial state, the extendable rod 68 is extended, the first spring 73, the torsion spring 54, the third spring 62, the second spring 49, the compression spring 44, and the first spring 73 are in the normal state, the swab packaging bag 20 is inserted into the swab housing chamber 19 in advance, the test tube 13 is inserted into the test tube housing chamber 18, the rubber slider 16 contacts the outer wall of the test tube 13, and the fourth spring 15 is compressed.

When self-help collection is needed, a patient holds the main body of the placing block 11, firstly, the swab packaging bag 20 is peeled off, the telescopic rod 68 is contracted, the telescopic rod 68 drives the second sliding block 69 to move, the second sliding block 69 drives the meshing claws 72 to be accommodated in the second transmission cavity 21 through the fixed shaft 70, the first spring 73 is compressed, in the process that the meshing claws 72 are accommodated in the second transmission cavity 21, the two meshing claws 72 are meshed to clamp the swab packaging bag 20, the first motor 34 is started, the first motor 34 controls the first rotating shaft 33 to rotate, the first rotating shaft 33 drives the first gear 35 to rotate, the first gear 35 drives the second gear 36 to rotate, the second gear 36 drives the first lead screw 38 to rotate, the first sliding block 37 is driven by the first lead screw 38 to slide towards the direction far away from the second gear 36, the supporting rod 40 is driven by the supporting rod 37 to move, the clamping block 41 is driven by the supporting rod 40 to move, the clamping block 41, the telescopic rod 68 drives the second sliding block 69 to move, the second sliding block 69 drives the fixed shaft 70 to move, the fixed shaft 70 drives the occlusion claw 72 to move, the occlusion claw 72 drives the swab packaging bag 20 to tear, and the tail part of the swab 22 is exposed outside.

The second motor 78 is started, the second motor 78 controls the fourth rotating shaft 80 to rotate, the fourth rotating shaft 80 drives the third gear 79 to rotate, the third gear 79 drives the fourth gear 81 to rotate, the fourth gear 81 drives the second lead screw 82 to rotate, the second lead screw 82 drives the second lead screw 82 to slide towards the direction close to the fourth gear 81, the two sliding rods 83 drive the tail clamping block 85 to mutually close, and clamping of the tail of the swab 22 is completed.

The inside hydraulic stem 31 of pneumatic cylinder 30 control rises, hydraulic stem 31 drives and settles first 10 and rise, it drives the piece of taking a sample 29 through 28 to settle first 10, the piece of taking a sample 29 drives the third slider 25 and rises, third slider 25 drives the sample motor 27 and rises, sample motor 27 drives through third pivot 46 and detects the piece 47 and rises, it drives the pressure piece 50 and rises to detect the piece 47, the pressure piece 50 drives to press from both sides gets the piece 51 and rises, it drives the swab 22 to break away from the swab wrapping bag 20 and rises to press from both sides the piece 51, take out swab 22.

The fourth motor 77 is started, the fourth motor 77 controls the sixth rotating shaft 76 to rotate, the sixth rotating shaft 76 drives the reel 75 to rotate, the reel 75 rotates to take up the thread, the thread 45 is wound on the reel 75, the thread 45 pulls the third slide block 25 to slide, the compression spring 44 is compressed, the third slide block 25 drives the sampling motor 27 to move, the sampling motor 27 drives the detection block 47 to move through the third rotating shaft 46, the detection block 47 drives the pressure block 50 to move, the pressure block 50 drives the clamping block 51 to move, the clamping block 51 drives the swab 22 to move, and the included angle between the swab 22 and the placing head 10 is ninety degrees, meanwhile, the third slider 25 pulls the pulling rope 55 and the third slider 25 to move together, the pulling rope 55 drives the second rotating shaft 53 to rotate, the second rotating shaft 53 drives the baffle plate 52 to rotate, the torsion spring 54 is compressed, the position of the baffle plate 52 is parallel to the position of the placement head 10, and the hydraulic cylinder 30 controls the internal hydraulic rod 31 to retract.

The patient aims at the tonsil with swab 22, insert the oral cavity after, swab 22 contact tonsil, swab 22 drives to press from both sides gets piece 51 and slides to third spout 48 is inside, third spout 48 drives pressure piece 50 and slides, pressure piece 50 compression second spring 49, after second spring 49 is compressed to a certain degree, the description has the head of swab and has contacted the tonsil completely, sample motor 27 starts, sample motor 27 controls third pivot 46 and rotates, third pivot 46 drives and detects piece 47 and rotates, it gets piece 51 and rotates to detect piece 47 and drive to press from both sides, it drives swab 22 and rotates to press from both sides piece 51, swab 22 rotates and can gain the secretion.

When the secretion is taken, the electromagnetic block 65 is electrified, the electromagnetic block 65 attracts the iron sliding block 61 to be close to the magnetic block, the third spring 62 is compressed, the iron sliding block 61 drives the screwing cover clamping block 60 to move towards the direction close to the electromagnetic block 65, the electromagnetic block 65 clamps the test tube cover 12, the third motor 59 is started, the third motor 59 controls the fifth rotating shaft 64 to rotate, and the fifth rotating shaft 64 drives the screwing block 89 to rotate to unscrew the test tube cover 12.

Inside hydraulic stem 31 of pneumatic cylinder 30 control stretches out, hydraulic stem 31 drives and settles head 10 and stretch out, fourth motor 77 outage, under compression spring 44's effect, third slider 25 resets, third slider 25 drives swab 22 and resets, baffle 52 resets under torsional spring 54's effect, turn to motor 58 and start, it drives and settles head 10 and rotate ninety degrees for settling piece 11 to turn to motor 58, pneumatic cylinder 30 control hydraulic stem 31 resets, hydraulic stem 31 drives and settles first 10 decline, it drives sampling piece 29 and descends to settle head 10, sampling piece 29 drives sampling mechanism 92 and descends, swab 22 inserts in the test tube 13, make test tube 13 be stained with the head of secretion and insert and preserve in buffer liquid 17.

The hydraulic cylinder 30 controls the internal hydraulic rod 31 to extend out by 5cm, the steering motor 58 drives the mounting head 10 to rotate and reset, the hydraulic cylinder 30 controls the internal hydraulic rod 31 to reset, the third motor 59 is started, the third motor 59 controls the fifth rotating shaft 64 to rotate reversely, the fifth rotating shaft 64 drives the screwing block 89 to rotate, the test tube cover 12 and the test tube 13 are screwed again, and sampling is completed.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a self-service collection system of pharynx swab, is including settling the head, its characterized in that: a screwing cavity with a downward opening is arranged in the placing head, a test tube mechanism is arranged in the screwing cavity, and the test tube mechanism is used for automatically opening a test tube;

2. A pharyngeal swab self-service collection device according to claim 1, wherein: the test tube mechanism includes twist and move the third motor that chamber upside inner wall inlayed and be equipped with, the fixed fifth pivot that is equipped with of terminal surface under the third motor, the fixed twisting block that is equipped with of terminal surface under the fifth pivot, twist and be equipped with the fifth transmission chamber that the opening is decurrent in the moving block, the fixed electromagnetic block that is equipped with of fifth transmission chamber upside inner wall, the fixed third spring that is equipped with of terminal surface about the electromagnetic block, the third spring is kept away from the terminal surface of electromagnetic block is fixed and is equipped with the iron slider, the iron slider is kept away from the terminal surface of electromagnetic block is fixed and is equipped with the twist cap grip block, the twist cap grip block is used for centre gripping test tube cap to start through the third motor, drive fifth pivot and rotate and open test tube cap.

3. A pharyngeal swab self-service collection device according to claim 1, wherein: sampling mechanism still includes the sixth transmission chamber that is equipped with in the sample piece, the fixed fourth motor that is equipped with of sixth transmission chamber front side inner wall, the fixed sixth pivot that is equipped with of fourth motor rear end face, the fixed reel that is equipped with in the sixth pivot, it has to coil on the reel the fine rule.

4. A pharyngeal swab self-service collection device according to claim 2, characterised in that: test tube lid and test tube threaded connection, settle the piece and be equipped with the ascending test tube of opening and settle the chamber, the test tube is settled the intracavity wall and is equipped with four inward pressure chambeies of opening, the pressure intracavity is fixed and is equipped with the fourth spring, it is equipped with rubber slide to slide in the pressure chamber, rubber slide keeps away from the test tube settle the terminal surface in chamber with fourth spring fixed connection.

5. A pharyngeal swab self-service collection device according to claim 1, wherein: the swab packaging bag is provided with a swab, the swab packaging bag can be opened by tearing two sides of the swab packaging bag, and the tail of the swab can be exposed.

6. A self-service collection device for throat swabs as claimed in claim 4, wherein: the test tube is filled with a buffer solution, and the buffer solution is used for keeping the activity of the secretion on the swab.

7. A pharyngeal swab self-service collection device according to claim 1, wherein: after the electromagnetic block is electrified, the attraction force can be generated to the iron sliding block to attract the iron sliding block to be close to the electromagnetic block.