CN215960010U - Throat swab sampling device - Google Patents

Abstract

The utility model provides a pharynx swab sampling device, comprising: the device comprises a sampling head device for fixing and bearing a throat swab, a switching platform for connecting the throat swab sampling device and an external component, and a sampling motion device for driving the sampling head device to move; the sampling motion device comprises a shell, a fixed platform, a rotary table motor arranged between the fixed platform and a transfer platform, two side vertical plates arranged on the fixed platform, a rotating shaft arranged between the two side vertical plates, a cross beam arranged on the rotating shaft, a tension spring arranged between the fixed platform and the cross beam, a screw motor arranged on the fixed platform, a top wheel arranged at the front end of a screw of the screw motor, and an anti-rotation device arranged on the fixed platform; the utility model is used for avoiding infection between medical personnel and a person to be collected when the throat swab is collected, and improving the collection safety of the throat swab; the requirements of automation, light weight, rapidness of collection action, collection comfort, safety and the like are met.

Description

Throat swab sampling device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a pharynx swab sampling device.

Background

As a common infectious disease medical detection mode, the sampling of the throat is a process that a sampling tool takes secretion from the throat and tonsil of a human body to carry out bacteria culture or virus separation, so that the illness state, oral mucosa and throat infection of a patient can be known. For some highly contagious and highly dangerous viruses that cause infectious diseases, collection of laryngeal biological samples is highly dangerous to infect, potentially causing infection to medical personnel. Therefore, the intelligent robot capable of being remotely controlled under the isolation condition is urgently needed to replace medical staff to carry out close-range sampling on patients. Medical staff can operate in a remote isolation space, and therefore infection of the medical staff is effectively prevented.

Medical personnel pass through operation panel control sampling device, and the nimble action of sampling device's front end instrument emulation medical personnel wrist is sampled in people's oral cavity, consequently has higher design requirement to throat sampling device, should satisfy requirements such as the miniaturization of front end apparatus, lightweight, action rapidity and security.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a pharynx swab sampling device.

In order to achieve the purpose, the utility model adopts the following specific technical scheme:

the utility model provides a pharynx swab sampling device, comprising: the device comprises a sampling head device for fixing and bearing a throat swab, a switching platform for connecting the throat swab sampling device and an external component, and a sampling motion device for driving the sampling head device to move;

the sampling motion device comprises a shell and an inner component arranged in the shell;

the internal components include: the device comprises a fixed platform, a rotary table motor, two side vertical plates, a rotating shaft, a cross beam, a tension spring, a lead screw motor and an anti-rotation device, wherein the rotary table motor is arranged between the fixed platform and a switching platform and used for rotating the throat swab sampling device;

the window used for connecting the cross beam and the sampling head device is arranged on the shell, the size of the window corresponds to the rotation range of the cross beam, and the shell and the cross beam are ensured not to interfere when the cross beam and the sampling head device rotate together; the connecting end of the shell and the sampling head device is an arc curved surface; a cross beam adapter on the sampling head device is matched with the arc curved surface to seal the window; the side vertical plates are symmetrically arranged on two sides of the fixed platform; the axis of the rotating shaft is orthogonal to the central axis of the cross beam; the axis of the pharynx swab, the central axis of the sampling head device and the central axis of the cross beam are parallel; the extension spring is installed between fixed platform and crossbeam.

Preferably, a top wheel for reducing friction between the screw rod and the cross beam is mounted at the front end of the screw rod motor; a smooth plate matched with the top wheel and used for reducing friction is arranged on the cross beam; the smooth plate is made of a hard aluminum plate with smooth friction.

Preferably, the screw motor is a through-type screw linear stepping motor.

Preferably, the sampling head device comprises: the device comprises a crossbeam adapter connected with a crossbeam, a lower shell, an upper shell arranged above the lower shell, a closed head chamber formed after the lower shell and the upper shell are installed in a matched manner;

a flexible clamping rotating device for clamping a throat swab, a slip ring for transmitting force, a motor for driving the flexible clamping rotating device to rotate, a laser range finder for measuring the distance between the laser range finder and a person to be sampled and a camera for acquiring image information are arranged in the head cavity;

the flexible clamping rotating device, the slip ring and the motor are sequentially connected in series, and the central axis of the flexible clamping rotating device, the central axis of the slip ring and the central axis of the output shaft of the motor are superposed;

the optical axis of the lens of the camera is parallel to the central axis of the flexible clamping rotating device;

the laser beam emitted by the laser range finder intersects with the axis of the throat swab at the head position of the throat swab.

Preferably, the flexible clamping rotating device comprises: the device comprises a sleeve, a switching component, a bearing, a central rod, a snap spring, a pressure sensor and a sensor pressing plate, wherein the switching component is arranged at one end of the sleeve and used for being connected with a sliding ring, the bearing is arranged on the outer cylindrical surface of the sleeve, one part of the central rod is fixed in the sleeve, the other part of the central rod extends out of the sleeve and used for transmitting force, the linear bearing is sleeved on the central rod and used for supporting and lubricating the central rod, the snap spring is used for fixing the linear bearing, the pressure sensor and the sensor pressing plate are used for transmitting force and pressing the pressure sensor on the switching component, a spring used for buffering the movement of the central rod is arranged between the central rod and the sensor pressing plate, a clamping sleeve used for bearing and fixing a throat swab is arranged at one end of the central rod, and an elastic sheet used for pressing the throat swab is arranged in the clamping sleeve;

one end of the clamping sleeve close to the pharynx swab is in the shape of a hollow round table, and the diameter of the inner hole of the hollow round table is the same as that of the rod part of the pharynx swab; the bearing is fixed by the inner wall of the lower shell and the inner wall of the upper shell; the central rod, the spring, the sensor pressing plate and the pressure sensor are sequentially installed in series.

Preferably, also mounted within the head chamber are: the device comprises a baffle plate for closing a window on the upper shell, a mounting plate arranged on the lower shell, clamping plates arranged on two sides of the inner wall of the lower shell and tightly pressed and fixed by the mounting plate, and a supporting plate arranged on the upper shell;

the slip ring and the motor are arranged on the mounting plate; the laser range finder is arranged in the groove of the clamping plate; the camera is arranged on the supporting plate;

the baffle is made of transparent material; install the light subassembly that is used for the light filling in the backup pad, the optical axis of light subassembly and flexible clamping rotary device's axis are parallel.

Preferably, a through groove is arranged on the outer cylindrical surface of one end, close to the adapter assembly, of the sleeve; one end of the central rod close to the spring is provided with a positioning key; the positioning key is matched with the through groove, so that the central rod is driven to rotate simultaneously when the sleeve rotates; and a shaft shoulder for axially positioning the bearing is arranged on the outer cylindrical surface of the sleeve.

Preferably, one end of the sensor pressure plate is provided with a ring groove for fixing the spring, and the size of the ring groove is the same as that of the spring.

Preferably, the pressure sensor is a thin film sensor; the adapter component is provided with a through hole for the wire pin of the pressure sensor to pass through.

Preferably, in the axial direction of the clamping sleeve, the number of the group of elastic sheets is at least 3, and the installation positions of all the elastic sheets are collinear; in the radial direction of the clamping sleeve, the number of the groups of the elastic sheets is not less than 3, and the elastic sheets are uniformly distributed along the circumference.

The utility model can obtain the following technical effects:

the utility model provides a pharynx swab sampling device, which can simulate the flexible and soft movement of the wrist of forward and backward movement and multi-direction swinging sampling in the actual sampling process of medical personnel, realize the non-contact sampling of the oral cavity of a patient by the medical personnel under an isolation condition, avoid the risk of infection, improve the sampling safety, and meet the requirements of miniaturization, light weight, rapidness of the sampling movement, comfort of the sampling and the like of a front-end instrument; according to the utility model, the camera and the laser range finder in the sampling head device are used for positioning the oral cavity of the patient to be sampled, so that the sampling accuracy of the throat swab is further improved, the accurate positioning of the sampling of the throat swab is ensured, and the parallax influence is reduced; the pressure sensor is arranged in the sampling head device, when the throat swab is contacted with the sampling part, the pressure value fed back by the pressure sensor changes, the device stops moving, and the buffering mechanism is arranged in the sampling head device, so that the contact is soft, and a person to be sampled does not have obvious pain; under the isolation condition, medical personnel's accessible carries out remote control operation to pharynx swab sampling device, removes to the patient and samples in the front to patient's oral cavity, can avoid carrying out direct contact's infection with the patient in the medical personnel of protecting in the sampling process, makes it relieved carry out the degree of depth inspection to the patient, improves the security of pharynx swab sampling, guarantees medical personnel's safety.

Drawings

FIG. 1 is a schematic diagram of a specific configuration of a pharyngeal swab sampling device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an external view of a pharyngeal swab sampling device according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the internal structure of a sampling head assembly according to an embodiment of the present invention;

FIG. 4 is a schematic external view of a flexible clamping and rotating device according to an embodiment of the utility model;

FIG. 5 is a full cross-sectional view of a flexible clamping rotation device according to an embodiment of the utility model;

FIG. 6 is a schematic structural diagram of a bushing according to an embodiment of the utility model;

FIG. 7 is a schematic structural diagram of a center pole according to an embodiment of the present invention;

FIG. 8 is a schematic view showing the structure in which a mounting plate is coupled to a lower case according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a laser range finder and a fitting of a splint and a lower case according to an embodiment of the present invention.

Wherein the reference numerals include: the device comprises a sampling head device 1, a shell 2, a crossbeam 3, a rotating shaft 4, a side vertical plate 5, a top wheel 6, a tension spring 7, a lead screw motor 8, a fixed platform 9, an anti-rotation device 10, a turntable motor 11, a switching platform 12, a throat swab 13, a flexible clamping rotating device 101, a sliding ring 102, a laser range finder 103, a motor 104, a lower shell 105, a crossbeam adapter 106, an upper shell 107, a camera 108, a lighting assembly 109, a mounting plate 110, a clamping plate 111, a supporting plate 112, a baffle 113, a clamping sleeve I, a spring plate II, a central rod III, a bearing IV, a linear bearing V, a sleeve VI, a spring VII, a sensor pressing plate VIII, a pressure sensor IX, a switching assembly X, a clamp spring XI, a positioning key III-I and a through groove VI-I.

Detailed Description

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the following description, the same reference numerals are used for the same blocks. In the case of the same reference numerals, their names and functions are also the same. Therefore, detailed description thereof will not be repeated.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not to be construed as limiting the utility model.

The following detailed description of the operation of the present invention is provided with reference to fig. 1 and 9:

as shown in fig. 1, a pharyngeal swab sampling device according to the present invention includes: the device comprises a sampling head device 1 for fixing and carrying a throat swab 13, a switching platform 12 for connecting the throat swab sampling device and external components, and a sampling motion device for driving the sampling head device 1 to move;

the sampling head 1 comprises: the flexible clamping device comprises a flexible clamping rotating device 101, a slip ring 102, a laser range finder 103, a motor 104, a lower shell 105, a beam adapter 106, an upper shell 107, a camera 108, a light assembly 109, a mounting plate 110, a clamping plate 111, a supporting plate 112 and a baffle 113; the lower housing 105 and the upper housing 107 cooperate to form a closed head chamber when installed.

The flexible clamping rotating device 101 is used for clamping the throat swab 13; the flexible clamping rotating device 101 is arranged in the head cavity and can drive the throat swab 13 to rotate. The flexible clamping rotating device 101 clamps the throat swab 13 by using the elastic piece II, so that the clamping force is soft, and the throat swab 13 is prevented from being broken during clamping; meanwhile, when the resistance encountered by the throat swab 13 during sampling is large, the elastic piece II and the throat swab 13 slide relatively, so that the discomfort is reduced; the flexible clamping rotating device 101 is provided with a spring VII and a pressure sensor IX, so that the comfort of throat swab sampling is improved; meanwhile, the pressure sensor IX can feed back the change situation of the pressure value in real time, so that the sampling safety of the throat swab is improved.

The slip ring 102 is used for transmitting the force of the motor 104 driving the flexible clamping rotating device 101 to rotate; slip ring 102 is mounted on mounting plate 110 within the head chamber and is located between the flexible clamping rotation device 101 and the motor 104.

The slip ring 102 is an inner and outer ring structure; the inner ring is used for connecting the motor 104 and the flexible clamping rotating device 101 and rotates with the flexible clamping rotating device 101 simultaneously; the inner ring is connected with the adapter assembly X to transmit the force for driving the flexible clamping rotating device 101 to rotate; the inner ring is provided with a through hole for passing through a circuit of the pressure sensor IX; the outer ring is used to carry the inner ring and is fixedly attached to the mounting plate 110.

The laser distance meter 103 is used for measuring the distance between the laser distance meter and a person to be sampled; as shown in fig. 9, the laser range finder 103 is mounted in a recess of the clamping plate 111. The laser beam emitted by the laser range finder 103 intersects with the axis of the pharyngeal swab 13 at the head position of the pharyngeal swab 13, so that the laser range finder can measure the specific distance between the pharyngeal swab 13 and the sampled person in real time.

The motor 104 is used for driving the flexible clamping rotating device 101 to rotate, and the motor 104 is installed on an installation plate 110 in the head cavity. As shown in fig. 3, a central axis of the flexible clamping rotating device 101, a central axis of the slip ring 102, and a central axis of an output shaft of the motor 104 coincide with each other.

The beam adapter 106 is used for connection to the beam 3. The beam adapter 106 is fixedly connected to the lower shell 105 and the upper shell 107, respectively.

The upper case 107 is mounted above the lower case 105. The upper case 107 is provided with a window for light transmission. In one embodiment of the present invention, the lower housing 105 and the upper housing 107 are fixedly coupled by threads.

The camera 108 is used to capture image information. Camera 108 is mounted on support plate 112. The optical axis of the lens of the camera 1018 is parallel to the central axis of the flexible clamping and rotating device 101, so that the camera 108 can directly acquire the oral cavity image of the person to be sampled.

The lighting assembly 109 is used for supplementing light to the camera 108 when the light is dark; the light assembly 109 is mounted on the support plate 112; the optical axis of the light assembly 109 is parallel to the central axis of the flexible clamping rotating device 101, so that the light assembly 109 can directly irradiate the oral cavity of the person to be sampled.

Mounting plate 110 is used to carry slip ring 102 and motor 104. As shown in fig. 8, the mounting plate 110 is mounted on the lower shell 105 and is located within the head chamber.

The clamping plate 111 is used for fixing and carrying the laser distance measuring device 103. As shown in fig. 8 and 9, clamping plates 111 are mounted on both sides of the inner wall of the lower case 105 and are pressed and fixed by the mounting plate 110. The clamping plate 111 is provided with a groove for fixing the laser range finder 103. The inclination angle of the groove ensures that the light path of the laser emitted by the laser range finder 103 intersects with the axis of the pharyngeal swab 13 at the head position of the pharyngeal swab 13.

The support plate 112 is used to hold and carry the camera 108 and the light assembly 109. As shown in fig. 3, the support plate 112 is mounted on the upper housing 107 and is located within the head chamber. In one embodiment of the present invention, the support plate 112 is fixedly mounted on the upper case 107 by screws.

The shutter 113 is used to close the window on the upper case 107. As shown in FIG. 3, a baffle 113 is mounted on the upper shell 107 and is located within the head chamber. The baffle 113 is made of transparent material to ensure light transmission.

Flexible clamping rotary device 101 includes: the clamping device comprises a clamping sleeve I, an elastic piece II, a center rod III, a bearing IV, a linear bearing V, a sleeve VI, a spring VII, a sensor pressing plate VIII, a pressure sensor IX, an adapter assembly X and a clamp spring XI.

The clamping sleeve I is arranged at one end of the center rod III and used for bearing and fixing the throat swab 13. As shown in figure 5, in order to facilitate the centering when the throat swab 13 is clamped, one end of the clamping sleeve I close to the throat swab 13 is in the shape of a hollow truncated cone, and the diameter of an inner hole of the hollow truncated cone is the same as the diameter of a rod part of the throat swab 13. When the throat swab 13 is close to the clamping sleeve I, the rod part of the throat swab 13 firstly contacts the hollow round table, and the throat swab 13 can be guided to the inner hole of the hollow round table by the inner wall of the hollow round table when continuing to move, so that the centering convenience in clamping the throat swab 13 is ensured. And holes for mounting the elastic pieces II are formed in the clamping sleeve I, and the size and the number of the holes correspond to those of the elastic pieces II. In the embodiment of the utility model, the clamping sleeve I and the central rod III are assembled together in an interference fit manner, so that the central rod III can drive the clamping sleeve I to rotate together.

The elastic piece II is arranged in the clamping sleeve I and used for compressing the throat swab 13. In order to ensure the centering property and the reliability of the clamped throat swab 13, at least three elastic pieces II are arranged in the axial direction of the clamping sleeve I, and the installation positions of all the elastic pieces II are collinear; in the radial direction of clamping sleeve pipe I, the group number of shell fragment II is no less than three groups, and each group of shell fragment II is along circumference evenly distributed.

As shown in fig. 4 and 5, in an embodiment of the present invention, three spring pieces ii are selected as one set, and three sets of spring pieces ii are selected, and each set of spring pieces ii is uniformly distributed at an angle of 120 ° in the radial direction of the clamping sleeve i. In an embodiment of the present invention, the spring piece ii is a thimble spring piece.

As shown in fig. 7, a part of the center rod III is fixed in the sleeve VI and passes through the linear bearing V; the other part of the sleeve extends out of the sleeve VI and is connected with the clamping sleeve I. The central rod III is used for transmitting the contact force between the pharyngeal swab 13 and the sampled part and driving the clamping sleeve I to rotate. And one end of the central rod III, which is close to the spring VII, is provided with a positioning key III-I, and the positioning key III-I is used for being matched with a through groove VI-I on the outer cylindrical surface of the sleeve VI, so that the central rod III is driven to rotate simultaneously when the sleeve VI rotates.

The bearing IV is arranged on the outer cylindrical surface of the sleeve VI and is restrained by a shaft shoulder on the outer cylindrical surface of the sleeve VI. The bearing iv is fixed by the inner wall of the lower casing 105 and the inner wall of the upper casing 107. And the bearing IV is used for bearing the flexible clamping rotating device 101.

The linear bearing V is arranged inside the sleeve VI, axially fixed by a clamping spring XI and sleeved on the center rod III. And the linear bearing V is used for supporting and lubricating the central rod III.

As shown in fig. 6, a sleeve vi is used for carrying each internal component and driving the center rod iii to rotate. The through groove VI-I is arranged on the outer cylindrical surface of one end, close to the adapter assembly X, of the sleeve VI; the through groove VI-I is matched with a positioning key III-I on the central rod III to ensure that the sleeve VI rotates to drive the central rod III to rotate simultaneously. And a shaft shoulder for axially positioning the bearing IV is arranged on the outer cylindrical surface of the sleeve VI. The inside of sleeve VI is equipped with the recess that is used for fixed jump ring XI.

And the spring VII is arranged in the sleeve VI and is positioned between the central rod III and the sensor pressing plate VIII. The spring VII is used for buffering the sport impact of the central rod III and ensuring that the throat swab 13 can sample gently. The spring VII is restrained and fixed by a ring groove on the sensor pressure plate VIII.

And the sensor pressing plate VIII is arranged inside the sleeve VI. For transmitting forces and for pressing the pressure sensor ix against the adapter component x. One end of the sensor pressure plate VIII is provided with a ring groove for fixing the spring VII, and the size of the ring groove is the same as that of the spring VII.

The pressure sensor IX is installed in the casing VI and is located between the sensor pressure plate VIII and the adapter assembly X. The pressure sensor IX is used to measure the contact pressure between the pharyngeal swab 13 and the site being sampled. The pressure sensor IX is a film sensor. The lead of the pressure sensor IX penetrates through a through hole on the switching component X, is connected with the slip ring 102 and an external component, and transmits specific pressure data.

The adapter assembly x is mounted at one end of the casing vi for connection to the slip ring 102 and to ensure the tightness of the casing vi. The adapter component X is provided with a through hole for the wire pin of the pressure sensor IX to pass through.

A clamp spring XI is arranged in an inner groove of the sleeve VI and used for fixing the linear bearing V.

In one embodiment of the present invention, the adaptor platform 12 is connected to an external linearly movable slide assembly that moves the pharyngeal swab sampling device linearly in a direction parallel to the central axis of the pharyngeal swab 13.

The sampling movement device comprises a shell 2 and internal components arranged in the shell 2;

the shell 2 is provided with a window for connecting the beam 3 and the sampling head device 1, the size of the window corresponds to the rotation range of the beam 3, and the shell 2 and the beam 3 are ensured not to interfere when the beam 3 and the sampling head device 1 rotate together; the connecting end of the shell 2 and the sampling head device 1 is a circular arc curved surface; a cross beam adapter on the sampling head device 1 is matched with the arc curved surface to seal the window; the housing 2 is provided with a through hole for passing a circuit.

The internal components include: the device comprises a cross beam 3, a rotating shaft 4, two side vertical plates 5, a tension spring 7, a screw motor 8, a fixed platform 9, an anti-rotation device 10 and a turntable motor 11;

the cross-beam 3 is used to connect and carry the sampling head 1. The beam 3 is mounted on the shaft 4. The central axis of the beam 3 is parallel to the central axis of the pharyngeal swab 13 and the sampling head device 1. The beam 3 is provided with a smooth plate which is matched with the top wheel 6 for reducing friction. The smooth plate is made of a hard aluminum plate with smooth friction.

The rotating shaft 4 is used for supporting the cross beam 3 and ensuring that the cross beam 3 takes the rotating shaft 4 as an axis to drive the sampling head device 1 to perform pitching adjustment. The rotating shaft 4 is arranged between the two side vertical plates 5. The axis of the rotating shaft 4 is orthogonal to the central axis of the cross beam 3.

The two side vertical plates 5 are used for supporting the rotating shaft 4. The two side vertical plates 5 are symmetrically arranged at intervals on two sides of the fixed platform 9.

The tension spring 7 is used for balancing the cross beam 3. When the lead screw motor 8 drives the cross beam 3 to rotate around the rotating shaft 4, the tension spring 7 applies tension to the cross beam 3, and the stability of the cross beam 3 is kept constantly. The tension spring 7 is installed between the fixed platform 9 and the cross beam 3.

The screw motor 8 is used for driving the cross beam 3 to rotate around the rotating shaft 4, and then pitching adjustment of the sampling head device 1 is carried out. The screw motor 8 is mounted on the fixed platform 9. The screw motor 8 is a through screw linear stepping motor. The front end of a lead screw of the lead screw motor 8 is provided with a top wheel 6 for reducing friction between the lead screw and the cross beam 3.

The fixed platform 9 is used for carrying the various components.

The anti-rotation device 10 is used for preventing a lead screw of the lead screw motor 8 from rotating, so that the lead screw and the top wheel 6 move up and down when the lead screw motor 8 rotates, and the cross beam 3 is driven to rotate around the rotating shaft 4. The anti-rotation device 10 is mounted on the fixed platform 9.

The turntable motor 11 is used to rotate the pharyngeal swab sampling device. A turntable motor 11 is mounted between the fixed platform 9 and the adaptor platform 12.

The throat swab sampling device provided by the utility model has the following working principle:

when the device works, the external sliding rail component drives the pharynx swab sampling device to move linearly along the direction parallel to the central axis of the pharynx swab 13.

During the movement, the sampling head device 1 can detect the distance and the oral environment of the person to be sampled in real time, and the position and the posture of the pharyngeal swab sampling device can be adjusted according to the detection result.

The pharynx swab sampling device can adjust the positions of three postures of pitching, rotating and moving back and forth. An external sliding rail component connected with the switching platform 12 drives the whole throat swab sampling device to adjust the front and back positions; the rotary table motor 11 drives the throat swab sampling device to integrally rotate, so that rotation adjustment is realized; when the screw motor 8 rotates forwards, the screw rod and the top wheel 6 are driven to move upwards, the cross beam 3 and the sampling head device 1 are driven to rotate anticlockwise along the rotating shaft 4, when the motor 8 rotates backwards, the screw rod and the top wheel 6 move downwards, the cross beam 3 rotates clockwise along the rotating shaft 4 under the action of the tension spring 7, and therefore pitching adjustment of the sampling head device 1 is achieved.

When the throat swab 13 moves to a designated sampling part, the throat swab 13 contacts the sampling part, the pressure value fed back by the pressure sensor IX changes, and the device stops moving. The sampling head device 1 is internally provided with a buffer mechanism, so that the contact is soft, and a person to be sampled does not have obvious pain. The motor 104 inside the sampling head device 1 works to start sampling work; after the sampling, the motor 104 stops rotating, the pharynx swab sampling device moves backwards under the driving of the external sliding rail assembly, the pharynx swab 13 leaves the oral cavity, and the pharynx swab 13 which is sampled is subsequently taken down and collected by other equipment, so far, the whole sampling work is completed.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and should not be taken as limiting the utility model. Variations, modifications, substitutions and alterations of the above-described embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

The above embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A pharyngeal swab sampling device, comprising: the device comprises a sampling head device (1) used for fixing and carrying a throat swab (13), a switching platform (12) used for connecting the throat swab sampling device and an external component, and a sampling motion device used for driving the sampling head device (1) to move;

the sampling movement device comprises a housing (2) and internal components mounted within the housing (2);

the inner assembly includes: a fixed platform (9), a turntable motor (11) which is arranged between the fixed platform (9) and the switching platform (12) and is used for rotating the throat swab sampling device, two side vertical plates (5) which are arranged on the fixed platform (9) at intervals and are used for supporting, and a rotating shaft (4) which is arranged between the two side vertical plates (5), a cross beam (3) mounted on the rotating shaft (4) and used for being connected with the sampling head device (1), a tension spring (7) mounted between the fixed platform (9) and the cross beam (3) and used for balancing the cross beam (3), a lead screw motor (8) mounted on the fixed platform (9) and used for driving the cross beam (3) to rotate around the rotating shaft (4), and an anti-rotation device (10) mounted on the fixed platform (9) and used for preventing a lead screw of the lead screw motor (8) from rotating;

the shell (2) is provided with a window for connecting the cross beam (3) and the sampling head device (1), the size of the window corresponds to the rotation range of the cross beam (3), and the shell (2) and the cross beam (3) are ensured not to interfere when the cross beam (3) and the sampling head device (1) rotate together; the connecting end of the shell (2) and the sampling head device (1) is an arc curved surface; a cross beam adapter on the sampling head device (1) is matched with the arc curved surface to seal the window; the side vertical plates (5) are symmetrically arranged on two sides of the fixed platform (9); the axis of the rotating shaft (4) is orthogonal to the central axis of the cross beam (3); the axis of the throat swab (13), the central axis of the sampling head device (1) and the central axis of the cross beam (3) are parallel; the tension spring (7) is installed between the fixed platform (9) and the cross beam (3).

2. A pharyngeal swab sampling device according to claim 1, characterized in that a top wheel (6) for reducing friction between the screw and the cross beam (3) is mounted at the front end of the screw motor (8); a smooth plate which is matched with the top wheel (6) and used for reducing friction is arranged on the cross beam (3); the smooth plate is made of a hard aluminum plate with smooth friction.

3. A pharyngeal swab sampling device according to claim 1, characterised in that the lead screw motor (8) is a through lead screw linear stepper motor.

4. A pharyngeal swab sampling device according to claim 1, characterised in that said sampling head unit (1) comprises: the cross beam connector (106) is connected with the cross beam (3), the lower shell (105), the upper shell (107) is mounted above the lower shell (105), and the lower shell (105) and the upper shell (107) are mounted in a matched mode to form a closed head cavity;

a flexible clamping rotating device (101) for clamping the pharyngeal swab (13), a slip ring (102) for transmitting force, a motor (104) for driving the flexible clamping rotating device (101) to rotate, a laser range finder (103) for measuring the distance between the pharyngeal swab and a person to be sampled and a camera (108) for acquiring image information are arranged in the head cavity;

the flexible clamping rotating device (101), the slip ring (102) and the motor (104) are sequentially connected in series, and the central axis of the flexible clamping rotating device (101), the central axis of the slip ring (102) and the central axis of the output shaft of the motor (104) are superposed;

the optical axis of the lens of the camera (108) is parallel to the central axis of the flexible clamping rotating device (101);

the laser beam emitted by the laser range finder (103) intersects with the axis of the throat swab (13) at the head position of the throat swab (13).

5. A pharyngeal swab sampling device according to claim 4, characterised in that said flexibly mounted rotating means (101) comprises: a sleeve (VI), a switching component (X) arranged at one end of the sleeve (VI) and used for being connected with the sliding ring (102), a bearing (IV) arranged on the outer cylindrical surface of the sleeve (VI), a center rod (III) with one part fixed in the sleeve (VI) and the other part extending out of the sleeve (VI) and used for transmitting force, a linear bearing (V) sleeved on the center rod (III) and used for supporting and lubricating the center rod (III), a clamp spring (XI) used for fixing the linear bearing (V), a pressure sensor (IX) and a sensor pressure plate (VIII) used for transmitting force and pressing the pressure sensor (IX) on the switching component (X) are respectively arranged in the sleeve (VI), a spring (VII) used for buffering the movement of the center rod (III) is arranged between the center rod (III) and the sensor pressure plate (VIII), a clamping sleeve (I) for bearing and fixing the throat swab (13) is arranged at one end of the central rod (III), and a spring piece (II) for compressing the throat swab (13) is arranged in the clamping sleeve (I);

one end, close to the throat swab (13), of the clamping sleeve (I) is in the shape of a hollow circular truncated cone, and the diameter of an inner hole of the hollow circular truncated cone is the same as that of a rod part of the throat swab (13); the bearing (IV) is fixed by the inner wall of the lower shell (105) and the inner wall of the upper shell (107); the center rod (III), the spring (VII), the sensor pressure plate (VIII) and the pressure sensor (IX) are sequentially installed in series.

6. A pharyngeal swab sampling device according to claim 4, wherein also mounted within said head chamber are: the device comprises a baffle (113) used for closing a window on the upper shell (107), a mounting plate (110) mounted on the lower shell (105), clamping plates (111) mounted on two sides of the inner wall of the lower shell (105) and pressed and fixed by the mounting plate (110), and a supporting plate (112) mounted on the upper shell (107);

the slip ring (102) and the motor (104) are mounted on the mounting plate (110); the laser range finder (103) is arranged in a groove of the clamping plate (111); the camera (108) is mounted on the support plate (112);

the baffle (113) is made of transparent material; install light subassembly (109) that are used for the light filling on backup pad (112), the optical axis of light subassembly (109) with the axis of flexible clamping rotary device (101) is parallel.

7. A pharyngeal swab sampling device according to claim 5, characterised in that a through slot (VI-I) is provided on the external cylindrical surface of the end of the sleeve (VI) close to the adapter assembly (X); a positioning key (III-I) is arranged at one end of the central rod (III) close to the spring (VII); the positioning key (III-I) is matched with the through groove (VI-I) to ensure that the sleeve (VI) drives the central rod (III) to rotate simultaneously when rotating; and a shaft shoulder for axially positioning the bearing (IV) is arranged on the outer cylindrical surface of the sleeve (VI).

8. A pharyngeal swab sampling device according to claim 5, characterised in that an annular groove for fixing the spring (VII) is provided at one end of the sensor pressure plate (VIII), the dimensions of the annular groove being the same as the dimensions of the spring (VII).

9. A throat swab sampling device according to claim 5, wherein the pressure sensor (IX) is a thin film sensor; a through hole for passing the terminal of the pressure sensor (IX) is provided on the adapter module (X).

10. A pharyngeal swab sampling device according to claim 5, characterised in that in the axial direction of the clamping sleeve (I), the number of the set of said elastic tabs (II) is at least 3 and the mounting positions of all said elastic tabs (II) are collinear; in the radial direction of the clamping sleeve (I), the number of the groups of the elastic sheets (II) is not less than 3, and the groups of the elastic sheets (II) are uniformly distributed along the circumference.

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