CN111329452A

CN111329452A - Face-tongue diagnosis instrument

Info

Publication number: CN111329452A
Application number: CN202010227962.6A
Authority: CN
Inventors: 何丹
Original assignee: Shanghai Zhiyun Medical Technology Co ltd
Current assignee: Shanghai Zhiyun Medical Technology Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-06-26

Abstract

The invention relates to the field of facial tongue diagnosis equipment, in particular to a facial tongue diagnosis instrument which comprises a main machine and two sub-machines arranged on two sides of the main machine, wherein light sources with irradiation directions facing the front sides of the sub-machines are arranged in the sub-machines, the two sub-machines are respectively a first sub-machine and a second sub-machine, the first sub-machine and the second sub-machine are respectively hinged with two sides of the main machine, the first sub-machine can be folded towards the main machine, the front side of the first sub-machine is attached to the front side of the main machine, the second sub-machine can be folded towards the main machine, the front side of the second sub-machine is attached to the back side of the first sub-machine, and optical cameras are arranged on the front sides of the main machine, the first sub-machine and the second sub.

Description

Face-tongue diagnosis instrument

Technical Field

The invention relates to the field of facial tongue diagnosis equipment, in particular to a facial tongue diagnosis instrument.

Background

The facial diagnosis is one of the four diagnostic methods in traditional Chinese medicine, and there is a metaphor of "seeing and knowing what is called the spirit" since ancient times. The traditional Chinese medicine analyzes the yin and yang, deficiency and excess, cold and heat and other states of a patient by distinguishing the color of the face and the tongue of the patient and state analysis, and carries out disease location judgment by holographic theory; most of the existing developed facial diagnosis instruments are large-scale desktop equipment, the heads of patients need to be placed in a black box to take facial pictures, and the existing facial diagnosis instruments cannot be carried about.

For example, a traditional Chinese medicine facial diagnosis instrument disclosed in chinese patent CN 201510321795.0; the traditional Chinese medicine facial diagnosis instrument comprises a camera, N diffuse reflection lamps, a facial diagnosis box body and a control circuit, wherein a facial information acquisition window is formed in the side surface of the facial diagnosis box body; the control circuit comprises a central processing unit, a diffuse reflection lamp driving module, a fan driving module, a communication interface and a power supply module, wherein the central processing unit is connected with the N diffuse reflection lamps through the diffuse reflection lamp driving module, the central processing unit is connected with the fan through the fan driving module, the camera is connected with a first communication port of the central processing unit, and a second communication port of the central processing unit is connected with the communication interface through the communication module.

The facial diagnosis instrument disclosed in the patent is large in size, cannot be carried about, is troublesome to use, and is in urgent need of a facial diagnosis instrument which is simple to use and convenient to carry about.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a facial and tongue diagnosis instrument, and the technical scheme solves the problems of large volume, inconvenience in use and carrying of the existing facial diagnosis instrument.

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides a face tongue diagnosis appearance, including the host computer with set up in two extensions of host computer both sides, the internally mounted of extension has the illumination direction to incline the positive light source of extension, two extensions are first extension and second extension respectively, first extension and second divide the machine to articulate with the both sides of host computer respectively, first branch machine can be folded towards the host computer and make its front laminate with the front of host computer, the second divides the machine to fold and make its front laminate with the back of first branch machine towards the host computer, the positive axis of host computer, the front of first extension, optical camera is all installed in the front of second extension.

Preferably, the front surface of the host is provided with a display screen, and the display screen has a backlight function that the highest brightness is not lower than the brightness of the light source.

Preferably, the light source is a backlight module, the light source comprises a light bar, a reflective film, a light guide plate, a lower diffuser, a prism sheet and an upper diffuser, the light bar is arranged on one side of the extension machine close to the host, the reflective film is arranged on one side inside the extension machine close to the back of the extension machine, the light guide plate, the lower diffuser, the prism sheet and the upper diffuser are sequentially arranged from the reflective film towards the front of the extension machine and are parallel to each other, and through holes for avoiding an optical camera and penetrating through the reflective film, the light guide plate, the lower diffuser, the prism sheet and the upper.

Preferably, the rotating shafts which are symmetrical relative to the middle plane of the main machine are arranged at four corners of the front surface of the main machine, each rotating shaft is of a hollow structure, and the first extension machine and the second extension machine are rotatably arranged on the rotating shafts.

Preferably, the positive four corners of host computer all is provided with first sleeve, and the axis of first sleeve coincides with the rotation axis of extension, and one side both ends that the extension is close to the host computer all are provided with the second sleeve, and the pivot is including hollow round pin, and hollow round pin rotates with first sleeve to be connected, hollow round pin and second sleeve fixed connection, and the axial length of hollow round pin is less than the axial length sum of first sleeve and second sleeve.

Preferably, the end of the first sleeve far away from the rotating shaft is provided with a dustproof plug in an embedded mode.

Preferably, one end of the second sleeve, which is far away from the hollow pin, is provided with a stop ring which extends radially inwards, and the rotating shaft further comprises a spring plate which is arranged between the hollow pin and the stop ring.

Preferably, the inner wall of the back of the extension is provided with an inward concave wiring groove, and the wiring groove extends to the connection position of the extension and the host from the optical camera.

Preferably, the both sides of host computer all are provided with the stopper, and under the extension expanded state, the back of extension and the tip laminating of stopper, user's left face or right face center this moment, the light emitting area of face arc surface tangent line normal direction respectively with the light source is perpendicular.

Preferably, the limiting block comprises a moving part, a torsional spring and a spring button switch, the moving part comprises an integrally formed movable plate, a solid pin, a connecting piece and a buckle, the movable plate is fixedly connected with the solid pin through the connecting piece, a groove for accommodating the movable plate is formed in the host machine, third sleeves rotatably connected with the solid pin are arranged on two sides of the groove, the torsional spring is sleeved on the solid pin, two ends of the torsional spring are respectively fixedly connected with the third sleeves and the connecting piece, and the moving part is provided with the buckle matched with the working end of the spring button switch; under folding condition, the buckle is connected with the spring button switch in a clamping way, and the movable plate is matched with the opening of the groove.

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

the main machine is used for installing a first extension and a second extension, and the first extension and the second extension are respectively positioned at the left side and the right side of the main machine and can be folded towards the main machine; in a folded state, the front surface of the first sub-machine is attached to the front surface of the main machine, and the front surface of the second sub-machine is attached to the back surface of the first sub-machine; under the expansion state, the host computer, first extension, the second divides the mechanism to become a concave surface towards user's direction bending, two light sources that are located respectively on first extension, the second divides the machine to send light towards the user, illuminate user's face, three optical camera that are located respectively on the host computer, first extension, the second divides the machine to shoot user's face or tongue photo from three different angles, the host computer carries out the operation processing through built-in microprocessor and the APP of installation to three photo, amalgamation becomes full face photo and three-dimensional people face model, obtain the diagnosis conclusion of face diagnosis or tongue diagnosis simultaneously.

The face-tongue diagnosis instrument is convenient to carry and use and is simple and convenient.

Drawings

FIGS. 1 and 2 are perspective views from two different perspectives in a folded state of the present invention;

FIGS. 3, 4 and 6 are perspective views of the present invention from two different viewing angles in the unfolded state;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 7 is a partial enlarged view of FIG. 6 at B;

FIG. 8 is a front view of the present invention;

FIG. 9 is a cross-sectional view taken along line C-C of FIG. 8;

FIG. 10 is a top view of the present invention;

FIG. 11 is a cross-sectional view taken along line D-D of FIG. 10;

FIG. 12 is a perspective view of FIG. 11;

FIG. 13 is an enlarged view of a portion of FIG. 12 at E;

FIG. 14 is a perspective view of FIG. 11 with the light source hidden;

FIG. 15 is an enlarged view of a portion of FIG. 14 at F;

the reference numbers in the figures are:

1-a host; 1 a-a display screen; 1 b-a first sleeve; 1 c-a dust plug; 1 d-groove; 1 e-a third sleeve;

2-a first extension; 2 a-a second sleeve; 2a 1-stop ring; 2 b-a wiring groove;

3-a second extension;

4-an optical camera;

5-a light source; 5 a-a light bar; 5 b-a reflective film; 5 c-a light guide plate; 5 d-lower diffusion sheet; 5 e-prism sheet; 5 f-upper diffusion sheet;

6-a rotating shaft; 6 a-hollow pin; 6 b-a spring plate;

7-a limiting block; 7 a-a movable member; 7a 1-movable plate; 7a 2-solid pin; 7a 3-connector; 7a 4-snap; 7 b-torsion spring; 7 c-spring push button switch.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 4, a facial tongue diagnosis instrument is characterized by comprising a main machine 1 and two sub-machines arranged on two sides of the main machine, wherein a light source 5 with an irradiation direction facing the front of the sub-machines is arranged inside each sub-machine, the two sub-machines are respectively a first sub-machine 2 and a second sub-machine 3, the first sub-machine 2 and the second sub-machine 3 are respectively hinged to two sides of the main machine 1, the first sub-machine 2 can be folded towards the main machine 1 and enables the front of the first sub-machine to be attached to the front of the main machine 1, the second sub-machine 3 can be folded towards the main machine 1 and enables the front of the second sub-machine to be attached to the back of the first sub-machine 2, and optical cameras 4 are arranged on.

The main machine 1 is used for installing a first branch machine 2 and a second branch machine 3, wherein the first branch machine 2 and the second branch machine 3 are respectively positioned at the left side and the right side of the main machine 1 and can be folded towards the main machine 1; in a folded state, the front surface of the first branch machine 2 is attached to the front surface of the main machine 1, and the front surface of the second branch machine 3 is attached to the back surface of the first branch machine 2; under the expansion state, host computer 1, first branch machine 2, second branch machine 3 constitutes a concave surface towards user's direction bending, two light sources 5 that are located respectively on first branch machine 2, second branch machine 3 send light towards the user, illuminate user's face, three optical camera 4 that are located respectively on host computer 1, first branch machine 2, second branch machine 3 take user's face or tongue photo from three different angles, host computer 1 carries out the operation processing through built-in microprocessor and the APP of installation to three photo, amalgamation becomes full face photo and three-dimensional face model, obtains the diagnosis conclusion of face diagnosis or tongue diagnosis simultaneously.

As shown in fig. 3, the front surface of the main body 1 is provided with a display screen 1a, and the display screen 1a has a backlight function in which the maximum brightness is not lower than the brightness of the light source 5.

The display screen 1a is used for providing a human-computer interaction function, before photographing diagnosis, the optical camera 4 installed on the host 1 is started, the display screen 1a displays pictures and alignment images shot by the optical camera 4, when a characteristic region of a human face is overlapped with the alignment images displayed by the display screen 1a, the three optical cameras 4 can focus accurately, the three optical cameras 4 photograph at the same time, the host 1 performs operation processing on pictures obtained by photographing the three optical cameras 4 to obtain diagnosis conclusions of face diagnosis or tongue diagnosis, and the diagnosis conclusions are displayed to a user through the display screen 1 a.

The display panel 1a can emit light with maximum brightness while taking a picture, thereby functioning as a front light source.

As shown in fig. 13, the light source 5 is a backlight module, the light source 5 includes a light bar 5a, a reflective film 5b, a light guide plate 5c, a lower diffusion sheet 5d, a prism sheet 5e, and an upper diffusion sheet 5f, the light bar 5a is disposed on one side of the extension machine close to the host machine 1, the reflective film 5b is disposed on one side of the interior of the extension machine close to the back of the extension machine, the light guide plate 5c, the lower diffusion sheet 5d, the prism sheet 5e, and the upper diffusion sheet 5f are sequentially arranged from the reflective film 5b toward the front of the extension machine and are parallel to each other, and the light source 5 is provided with a through hole for avoiding the optical camera 4 and penetrating through the reflective film 5b, the light guide plate.

Compare in direct at first minute machine 2 and the 3 internally mounted faces of second minute machine towards the positive LED lamp plate of user, backlight unit has softer, the even light of luminance more, can construct more standard detection light field.

As shown in fig. 3 and 4, the four corners of the front surface of the main machine 1 are respectively provided with a rotating shaft 6 which is symmetrical relative to the middle surface of the main machine 1, the rotating shafts 6 are of a hollow structure, and the first sub-machine 2 and the second sub-machine 3 are respectively rotatably arranged on the rotating shafts 6.

The rotating shaft 6 serves as a hinge on one hand, and is used for rotatably connecting the first extension 2 and the second extension 3 with the main machine 1, so that the first extension 2 and the second extension 3 can be unfolded or folded on two sides of the main machine 1, and on the other hand, the rotating shaft 6 is of a hollow structure and can be used for a circuit to pass through, so that the main machine 1 can supply power to the optical camera 4 and the light source 5 which are arranged inside the first extension 2 and the second extension 3 and transmit signals at the same time.

As shown in fig. 11 and 12, the four corners of the front surface of the main body 1 are provided with first sleeves, the axes of the first sleeves coincide with the rotation axes of the extension units, the two ends of one side of each extension unit close to the main body 1 are provided with second sleeves, each rotation axis 6 comprises a hollow pin, each hollow pin is rotatably connected with the first sleeve 1b and fixedly connected with the second sleeve 2a, and the axial length of each hollow pin 6a is smaller than the sum of the axial lengths of the first sleeve 1b and the second sleeve 2 a.

As shown in fig. 13, the first sleeve 1b is disposed on the front surface of the main machine 1, the upper end and the lower end of the first sleeve 1b are both through, the second sleeve 2a is disposed on the side surface of the first separator 2, the upper end and the lower end of the second sleeve 2a are both through, the inner circumferential surface of the second sleeve 2a is provided with threads, the lower half portion of the outer circumferential surface of the hollow pin 6a is provided with threads, and the through hole inside the hollow pin 6a is regular hexagon;

during installation, a worker passes the hollow pin 6a through the first sleeve 1b from top to bottom to abut against the second sleeve 2a, then inserts the hollow pin 6a into a through hole inside the hollow pin 6a by using an allen wrench, rotates the hollow pin 6a to enable the second sleeve 2a to be in threaded connection with the hollow pin 6a, rotates the first separator 2 after the second sleeve 2a is fixed with the hollow pin 6a, and rotates the first separator 2 inside the first sleeve 1b through the hollow pin 6 a;

the first sleeve 1b, the hollow pin 6a and the second sleeve 2a are all of a hollow structure, and meanwhile, the axial length of the first sleeve 1b and the axial length of the second sleeve 2a are added to be larger than the axial length of the hollow pin 6a, so that a gap is reserved between the end faces of the first sleeve 1b and the hollow pin 6a, a power line and a signal line can start from the inside of the host 1 and sequentially enter the inside of the first branch machine 2 through the gap, the inside of the hollow pin 6a and the inside of the second sleeve 2a, and the host 1 can supply power to the optical camera 4 and the light source 5 which are installed inside the first branch machine 2 and transmit signals.

The second splitter 3 is also connected to the main unit 1 by the same structure.

The end of the first sleeve 1b far away from the rotating shaft 6 is embedded with a dust plug 1 c.

Dustproof stopper 1c is the cylinder shape, the upper and lower both ends of dustproof stopper 1c all are provided with radial convex annular flange outwards, the one end that pivot 6 was kept away from to first sleeve 1b is provided with and fills up 1c anastomotic annular groove of shape with dustproof, dustproof stopper 1c is rubber materials, dustproof stopper 1c resets after crowded annular groove into through elastic deformation, thereby seal the one end that pivot 6 was kept away from to first sleeve 1b, avoid the dust to enter into inside pivot 6 through first sleeve 1 b.

One end of the second sleeve 2a, which is far away from the hollow pin 6a, is provided with a stop ring 2a1 extending radially inwards, and the rotating shaft 6 further comprises a spring plate 6b, wherein the spring plate 6b is installed between the hollow pin 6a and the stop ring 2a 1.

After the hollow pin 6a is screwed into the second sleeve 2a, the hollow pin 6a and the snap ring 2a1 clamp the elastic sheet 6b in the middle, and the elastic sheet 6b is in a compressed state, the elastic sheet 6b provides a pre-tightening force to the hollow pin 6a through the self resilience force, and the threaded connection between the hollow pin 6a and the second sleeve 2a is more tight under the pre-tightening force. When the extension machine is turned over, the hollow pin 6a and the second sleeve 2a rotate relatively due to friction between the hollow pin 6a and the first sleeve 1b, and accordingly the hollow pin 6a is loosened.

As shown in fig. 14 and 15, the inner wall of the back of the extension is provided with an inward-recessed wiring groove, and the wiring groove extends from the optical camera 4 to the connection between the extension and the host 1.

The inner wall at the back of the first extension machine 2 is provided with a wiring groove 2b, the wiring groove 2b is used for wiring, a signal power line communicated to the optical camera 4 of the host machine 1 is arranged in the wiring groove 2b, the light source 5 is attached to the inner wall at the back of the first extension machine 2, and the second extension machine 3 is also provided with the same structure.

As shown in fig. 4 to 9, both sides of the host 1 are provided with the limiting blocks 7, and when the extension is in the unfolded state, the back of the extension is attached to the end portions of the limiting blocks 7, and at the center of the left face or the right face of the user, the normal direction of the tangent line of the arc surface of the face is perpendicular to the light emitting surface of the light source 5.

When the host and the extension are in an unfolded state, the working directions of the optical camera 4 and the light source 5 which are arranged on the first extension 2 are the same and are both right opposite to the center of the left face of a user, the working directions of the optical camera 4 and the light source 5 which are arranged on the second extension 3 are the same and are both right opposite to the center of the right face of the user, and the optical camera 4 which is arranged on the host 1 is positioned at the normal position of the host 1;

when shooing, display screen 1a is luminous, for the positive light filling of face, three optical camera 4 cooperation left, right three light source, can be respectively comprehensive shoot the photo of left face and right face, and the image area is big, and the light source is even, and three photos can amalgamate into full face photo, can also gather the three-dimensional coordinate of full face for analysis face shape pathological change.

The limiting block 7 comprises a movable piece 7a, a torsion spring 7b and a spring button switch 7c, the movable piece 7a comprises an integrally formed movable plate 7a1, a solid pin 7a2, a connecting piece 7a3 and a buckle 7a4, the movable plate 7a1 is fixedly connected with the solid pin 7a2 through the connecting piece 7a3, a groove 1d used for accommodating the movable plate 7a1 is formed in the main machine 1, third sleeves 1e rotatably connected with the solid pin 7a2 are arranged on two sides of the groove 1d, the torsion spring 7b is sleeved on the solid pin 7a2, two ends of the torsion spring 7b are fixedly connected with the third sleeves 1e and the connecting piece 7a3 respectively, and the buckle 7a4 matched with the movable piece at the working end of the spring button switch 7c is arranged on the 7 a; in the folded state, the buckle 7a4 is clipped with the spring button switch 7c, and the movable plate 7a1 is matched with the opening of the groove 1 d.

The spring button switch 7c is a switch which is pressed and clamped and is pressed and opened again, when the facial examination instrument is not used for folding, a user can rotate the movable piece 7a to enable the movable piece to overcome the resilience force of the torsion spring 7b and cover the groove 1d, at the moment, the buckle 7a4 is clamped with the spring button switch 7c, the groove 1d is matched with the movable plate 7a1, and the movable plate 7a1 and the host machine 1 are combined into a complete shell; when the diagnostic instrument needs to be used, a user presses the movable plate 7a1, the buckle 7a4 is unlocked from the spring button switch 7c, the movable piece 7a rotates outwards under the resilience force of the torsion spring 7b until the movable plate 7a1 abuts against the inner wall of the groove 1d, and at the moment, the end of the movable plate 7a1 is the stroke end of extension of the extension.

The working principle of the invention is as follows:

the main machine 1 is used for installing a first branch machine 2 and a second branch machine 3, and the first branch machine 2 and the second branch machine 3 are installed on the left side and the right side of the main machine 1 through rotating shafts 6 and can be folded towards the main machine 1; before use, a user rotates the first divider 2 and the second divider 3 to unfold the first divider 2 and the second divider 3, and the main machine 1, the first divider 2 and the second divider 3 form a concave surface which is bent towards the direction of the user.

Subsequently, the user presses the movable plate 7a1, the buckle 7a4 is unlocked from the spring button switch 7c, and the movable member 7a rotates outwards under the resilience of the torsion spring 7b until the movable plate 7a1 abuts against the inner wall of the groove 1d, at which time the end of the movable plate 7a1 is the end of the extension stroke.

In this case, the optical camera 4 and the light source 5 mounted on the first slave unit 2 are operated in the same direction and are both directed toward the center of the left face of the user, the optical camera 4 and the light source 5 mounted on the second slave unit 3 are operated in the same direction and are both directed toward the center of the right face of the user, and the optical camera 4 mounted on the main unit 1 is located at the normal position of the main unit 1.

Then, the two light sources 5 respectively located on the first splitter 2 and the second splitter 3 emit light toward the user to illuminate the face of the user.

Then, the optical camera 4 installed on the host 1 is started, the display screen 1a displays the picture and the alignment image shot by the optical camera 4, when the characteristic region of the human face is overlapped with the alignment image displayed by the display screen 1a, the three optical cameras 4 can be focused accurately at the moment, the three optical cameras 4 take pictures, the display screen 1a emits light to supplement light for the front of the face, the three optical cameras 4 are matched with the left, the middle and the right light sources to respectively and comprehensively shoot the pictures of the left face and the right face, the imaging area is large, the light sources are uniform, the three pictures can be spliced into a full-face picture, the three-dimensional coordinates of the full face can be collected to analyze the pathological changes of the face shape, and after the diagnosis conclusion of the face diagnosis or the tongue diagnosis is obtained, the host 1 displays the pictures and the alignment image to the user through the display screen 1 a.

After the use is finished, a user rotates the first extension machine 2 and the second extension machine 3 to fold the first extension machine 2 and the second extension machine 3, the front face of the first extension machine 2 is attached to the front face of the main machine 1, the front face of the second extension machine 3 is attached to the back face of the first extension machine 2, then the user rotates the movable piece 7a to enable the movable piece to overcome the resilience force of the torsion spring 7b and cover the groove 1d, the buckle 7a4 is clamped with the spring button switch 7c, the groove 1d is matched with the movable plate 7a1, and the movable plate 7a1 and the main machine 1 are combined into a complete.

Claims

1. The utility model provides a face tongue diagnostic apparatus, a serial communication port, including host computer (1) with set up in two extension of host computer both sides, the internally mounted of extension has illumination direction towards the positive light source (5) of extension, two extensions are first extension (2) and second extension (3) respectively, first extension (2) and second extension (3) are articulated with the both sides of host computer (1) respectively, first extension (2) can be folded towards host computer (1) and make its front laminating with the front of host computer (1), second extension (3) can be folded towards host computer (1) and make its front laminating with the back of first extension (2), the positive axis of host computer (1), the front of first extension (2), optical camera (4) are all installed in the front of second extension (3).

2. The facial-tongue diagnosis instrument according to claim 1, wherein the display screen (1a) is arranged on the front surface of the main machine (1), and the display screen (1a) has a backlight function that the highest brightness is not lower than the brightness of the light source (5).

3. The facial tongue diagnosis instrument according to claim 1, wherein the light source (5) is a backlight module, the light source (5) comprises a light bar (5a), a reflective film (5b), a light guide plate (5c), a lower diffuser (5d), a prism sheet (5e) and an upper diffuser (5f), the light bar (5a) is arranged on one side of the extension machine close to the host machine (1), the reflective film (5b) is arranged on one side of the interior of the extension machine close to the back of the extension machine, the light guide plate (5c), the lower diffuser (5d), the prism sheet (5e) and the upper diffuser (5f) are sequentially arranged from the direction of the reflective film (5b) towards the front of the extension machine and are parallel to each other, and the light source (5) is provided with a light source (5) for avoiding the optical camera (4) and penetrating through the reflective film (5b), the light guide plate (5c), a through hole of the upper diffusion sheet (5 f).

4. The facial-tongue diagnosis instrument according to claim 1, characterized in that the four corners of the front surface of the main machine (1) are respectively provided with a rotating shaft (6) which is symmetrical relative to the middle surface of the main machine (1), the rotating shafts (6) are of hollow structures, and the first sub-machine (2) and the second sub-machine (3) are respectively rotatably arranged on the rotating shafts (6).

5. The facial-tongue diagnosis instrument according to claim 4, characterized in that the four corners of the front surface of the main machine (1) are provided with first sleeves, the axes of the first sleeves coincide with the rotation axes of the sub-machines, the two ends of one side of the sub-machines close to the main machine (1) are provided with second sleeves, the rotation axes (6) comprise hollow pins, the hollow pins are rotatably connected with the first sleeves (1b), the hollow pins are fixedly connected with the second sleeves (2a), and the axial length of the hollow pins (6a) is less than the sum of the axial lengths of the first sleeves (1b) and the second sleeves (2 a).

6. The facial-tongue diagnosis instrument according to claim 4, wherein the end of the first sleeve (1b) far away from the rotating shaft (6) is embedded with a dust plug (1 c).

7. The facial tongue diagnostic apparatus according to claim 4, wherein a stop ring (2a1) extending radially inward is disposed at an end of the second sleeve (2a) away from the hollow pin (6a), the shaft (6) further comprises a resilient tab (6b), and the resilient tab (6b) is disposed between the hollow pin (6a) and the stop ring (2a 1).

8. The facial tongue diagnosis instrument according to claim 1, wherein the inner wall of the back of the extension is provided with an inward-recessed wiring groove, and the wiring groove extends from the optical camera (4) to the connection of the extension and the host (1).

9. The facial-lingual diagnosis instrument according to claim 1, wherein the host (1) is provided with stoppers (7) on both sides, and when the extension is in the extended state, the back of the extension is attached to the ends of the stoppers (7), and at this time, the tangential normal direction of the circular arc surface of the face at the center of the left face or the right face of the user is perpendicular to the light emitting surface of the light source (5), and the optical camera (4) mounted on the host is opposite to the central axis of the front face of the face.

10. The facial-tongue diagnostic apparatus according to claim 9, wherein the limiting block (7) comprises a movable member (7a), a torsion spring (7b), and a spring button switch (7c), the movable member (7a) comprises an integrally formed movable plate (7a1) and a solid pin (7a2), the connecting piece (7a3) and the buckle (7a4) are arranged, the movable plate (7a1) is fixedly connected with the solid pin (7a2) through the connecting piece (7a3), the host (1) is provided with a groove (1d) used for accommodating the movable plate (7a1), two surfaces of the groove (1d) are provided with a third sleeve (1e) rotatably connected with the solid pin (7a2), the torsion spring (7b) is sleeved on the solid pin (7a2), two ends of the torsion spring (7b) are respectively and fixedly connected with the third sleeve (1e) and the connecting piece (7a3), and the movable piece (7a) is provided with the buckle (7a4) matched with the working end of the spring button switch (7 c); in a folded state, the buckle (7a4) is clamped with the spring button switch (7c), and the movable plate (7a1) is matched with the opening of the groove (1 d).