CN112309221A - Spoken language training method and device capable of displaying details in English pronunciation - Google Patents

Abstract

The invention discloses a spoken language training method and a spoken language training device capable of displaying details in English pronunciation, and relates to the technical field of spoken language training; in order to solve the problem of spoken language detail display; the tongue display device comprises an installation frame, the installation frame top outer wall is fixed with a frame cover through a hinge, the top outer wall of the frame cover is fixed with a handle through bolts, the outer wall of the installation frame around is fixed with transparent glass through screws respectively, a base is placed at the bottom of the installation frame, the top outer wall of the base is fixed with a first head model through bolts, the outer wall of one side of the first head model is provided with a mouth, the outer wall of one side of the first head model is close to the outer wall of one side of the mouth and is provided with a display groove, the inner wall of the display groove is provided with a tongue display mechanism, the outer wall of the front face of the lower part of the first head model close to the display groove is provided with. The tongue rotation angle measuring device can effectively measure the tongue rotation angle, so that the tongue bending precision is effectively improved, and the tongue display effect is greatly promoted.

Description

Spoken language training method and device capable of displaying details in English pronunciation

Technical Field

The invention relates to the technical field of oral English training, in particular to a method and a device for oral English training with English pronunciation capable of showing details.

Background

English is a very common language, English grammar, writing, spelling and the like are completely different from Chinese, people who use Chinese as mother language have difficulty to a certain degree in learning English, and pronunciation of spoken language needs to be repeatedly trained to meet the requirement of pronunciation standard.

Through the retrieval, chinese patent application number is CN 201510655305.0's patent, discloses a spoken language trainer that english pronunciation teaching special use can demonstrate pronunciation details be equipped with the bracing piece on the base be equipped with oral cavity shell on the bracing piece on the base be equipped with main control system in the oral cavity shell be equipped with the control lever on the main control system in the oral cavity shell the tongue of emulation has been cup jointed on the control lever oral cavity shell both sides all are equipped with the opening. In the above-mentioned patent a spoken language trainer that english pronunciation teaching dedicated can demonstrate pronunciation details exists following not enough:

the oral training teaching to pronunciation of english has been accomplished to the integrated device, but is more general to the detail description of pronunciation mouth shape, and especially not enough to the show of tongue in pronunciation of english, consequently, leads to english accent detail training teaching effect relatively poor.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a spoken language training device capable of displaying details in English pronunciation.

In order to achieve the purpose, the invention adopts the following technical scheme:

a spoken language training device capable of displaying details in English pronunciation comprises a mounting frame, a frame cover is fixed on the outer wall of the top of the mounting frame through a hinge, and the outer wall of the top of the frame cover is fixed with a handle through a bolt, the outer wall of the periphery of the mounting frame is respectively fixed with transparent glass through screws, the bottom of the mounting frame is provided with a base, and the outer wall of the top of the base is fixed with a first head model through a bolt, the outer wall of one side of the first head model is provided with a mouth, and the outer wall of the first head model near the mouth is provided with a display groove, the inner wall of the display groove is provided with a tongue display mechanism, and the outer wall of the front surface of the first head model, which is close to the lower part of the showing groove, is provided with a mounting groove, a detection training mechanism is arranged in the mounting groove, the first head model is provided with a guide hole on the outer wall of the back side close to the tongue display mechanism, and a display screen is arranged on the outer wall of one side of the bottom of the first head model.

Preferably: tongue show mechanism includes that first rotatory ring, second rotate the ring, rack, angle sensor, tongue and gear, and the rotatory ring sliding connection of second in the guide hole, and the rotatory ring circumference inner wall of second is pegged graft and is had the pivot, and the one end of pivot is fixed with fixed cylinder through the bearing.

Further: the first rotating ring is sleeved at one end of the fixed cylinder, the gear is sleeved on the outer wall of the circumference of the rotating shaft, and the rack is fixed on the inner wall of the top of the display groove through a bolt.

On the basis of the scheme: the gear and the rack are meshed with each other, the angle sensor is sleeved at one end, close to the first rotating ring, of the fixed cylinder, and the tongue is bonded on the outer wall of one side of the fixed cylinder.

The better scheme in the scheme is as follows: detect training structure and include battery, bracing piece, singlechip, micro motor, drive belt, mount pad and infrared ranging sensor, and battery and singlechip all bond on the bottom inner wall of mounting groove.

As a further scheme of the invention: the micro motor is fixed on the inner wall of one side of the top of the mounting groove through the support plate, and the support rod is bonded on the inner wall of the bottom of the display groove on one side close to the mouth.

Simultaneously, the mount pad passes through the bolt fastening on the bottom outer wall of bracing piece, and infrared ranging sensor rotates through the connecting axle to be connected in the mount pad, the drive belt both ends cup joint respectively in the tip of connecting axle tip and the tip of micro motor output shaft.

As a preferable aspect of the present invention: the front outer wall of the first head model is provided with a containing groove, the inner wall of the containing groove is clamped with a second head model, and one side of the front side of the second head model is clamped with a mounting plate.

Simultaneously, first head model back outer wall has the fixed plate through the bolt fastening, and one side outer wall of fixed plate is fixed with gear motor through the extension board, gear motor's output shaft has cup jointed the spur gear, and one side outer wall of fixed plate is fixed with the screw rod through the bearing, the side gear has been cup jointed to the bottom of screw rod, spur gear and side gear intermeshing, the back outer wall of fixed plate is opened has the spout, sliding connection has the guide block in the spout, the guide block cup joints on the circumference of screw rod, one side outer wall of guide block has the cylinder through the bolt fastening, the piston rod of cylinder is connected with second head model back outer wall through the screw thread.

A spoken language training device capable of showing details in English pronunciation is also used in a spoken language training method for showing details, and comprises the following steps:

s1: the first head model is taken out of the mounting frame, the gear rolls on the rack by rotating the second rotating ring, and the tongue on one side of the fixed cylinder is driven to horizontally move towards the mouth, so that the work of simulating the extension and contraction of the tongue of a person is completed, and the pronunciation condition of the tongue of the mouth is reflected;

s2: then, the first rotating ring is rotated to drive the fixed cylinder to rotate and drive the tongue to rotate, so that the work of simulating the bending and straightening of the tongue of a person is completed, and the pronunciation condition is more visual;

s3: then, the micro motor is started, the transmission belt is driven by the micro motor to transmit, the infrared distance measuring sensor on the connecting shaft is promoted to rotate for a certain angle, the measured distance signal is transmitted to the single chip microcomputer through a signal line, and the single chip microcomputer transmits data to the display screen, so that the distance between the bottom of the tongue and the bottom of the display groove can be clearly displayed on the display screen;

s4: during this period, start gear motor, gear motor has driven the screw rod rotation through spur gear and side gear engagement's mode, and pivoted screw rod has driven the guide block and has slided in the spout, and the guide block has driven second head model and has risen from accomodating the inslot, and simultaneously, start the cylinder, promote second head model and stretch out from first head model to the lift and the flexible of second head model have been accomplished.

The invention has the beneficial effects that:

1. this oral training device that english pronunciation can demonstrate details, it makes the gear roll on the rack to rotate rotatory ring through rotating the second, the rotatory ring horizontal slip in the guide hole of second simultaneously, thereby the tongue level that has driven solid fixed cylinder one side removes to the mouth, thereby the effect of emulation people's tongue extension and shrink has been played, simultaneously through rotating first rotatory ring, can effectively drive solid fixed cylinder rotatory, the tongue is rotatory simultaneously also having driven, and then the crooked effect with straightening of emulation people's tongue has been played, and be provided with angle sensor on the circumference of solid fixed cylinder, can effectively measure the rotatory angle of tongue, thereby effectively improve the crooked precision of tongue, the bandwagon effect of tongue has been promoted greatly.

2. This oral training device that english pronunciation can demonstrate details, drive the drive belt transmission through micro motor, the rotatory certain angle of infrared ranging sensor that has promoted to connect epaxial, and convey the distance signal passing signal line that will record to the singlechip, by the singlechip with data transmission to the display screen on, thereby effectively measure the distance between tongue bottom and the show cupboard bottom, the detail bandwagon effect of english oral training has been promoted, the quality of english oral teaching has been guaranteed, make teaching show more directly perceived for the student, student's teaching absorption effect has been promoted.

3. This oral training device that english pronunciation can demonstrate details sets up second head model in first head model through the mode of overlapping child, has effectively promoted the portability of whole device and has accomodate the effect, simultaneously, has also promoted student's self-training effect through this kind of form.

4. This oral training device of english pronunciation can demonstrate details, demonstrate the error form of tongue in the various english oral pronunciations to every student through operation tongue show mechanism, thereby played effectively and clearly the error condition of tongue when correcting every student pronunciation, also simultaneously can demonstrate the correct tongue form to every student through tongue show mechanism, and go the position that detects the tongue through detecting training mechanism and come to show english oral pronunciation exactness more directly perceivedly with the distance, the time of student english oral training has been saved greatly, english has improved the efficiency of every student oral training.

5. This oral training device that english pronunciation can demonstrate details, through starting gear motor, gear motor drives the spur gear rotatory, rotatory spur gear drives the side gear rotatory, rotatory side gear has promoted the screw rod rotatory, the pivoted screw rod has driven the guide block and has slided in the spout, and the guide block has driven second head model and has risen from accomodating the inslot, and simultaneously, the actuating cylinder, promote second head model and stretch out from first head model, thereby the lift and the flexible of second head model have been accomplished, the show of effective second head model, the variety of oral training details show has been improved.

Drawings

FIG. 1 is a schematic view of an overall structure of a spoken language training device capable of displaying details of English pronunciation according to the present invention;

FIG. 2 is a schematic diagram of an internal structure of a spoken language training device capable of displaying details of English pronunciation according to the present invention;

FIG. 3 is a schematic diagram of an internal back structure of a spoken language training device capable of displaying details of English pronunciation according to the present invention;

FIG. 4 is a schematic view of a first partial structure of a spoken language training device capable of showing details of English pronunciation according to the present invention;

FIG. 5 is a second partial structural diagram of a spoken language training device with details of English pronunciation according to the present invention;

fig. 6 is a schematic circuit connection diagram of a spoken language training device capable of displaying details in english pronunciation according to the present invention.

In the figure: 1-mounting frame, 2-transparent glass, 3-base, 4-first head model, 5-handle, 6-second head model, 7-mounting plate, 8-mouth, 9-storage battery, 10-mounting groove, 11-supporting rod, 12-first rotating ring, 13-receiving groove, 131-second rotating ring, 132-display screen, 14-guide hole, 141-speed reducing motor, 142-spur gear, 143-fixing plate, 144-screw, 145-guide block, 146-side gear, 147-sliding groove, 148-cylinder, 15-rack, 16-single chip microcomputer, 17-micro motor, 18-driving belt, 19-angle sensor, 20-tongue, 21-gear, 22-mounting seat, 23-infrared ranging sensor.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

a spoken language training device capable of displaying details in English pronunciation is shown in figures 1-6 and comprises an installation frame 1, wherein a frame cover is fixed on the outer wall of the top of the installation frame 1 through a hinge, a handle 5 is fixed on the outer wall of the top of the frame cover through a bolt, transparent glass 2 is respectively fixed on the outer walls of the periphery of the installation frame 1 through screws, the transparent glass 2 adopts a convex lens structure, a base 3 is placed at the bottom of the installation frame 1, a first head model 4 is fixed on the outer wall of the top of the base 3 through a bolt, a mouth 8 is arranged on the outer wall of one side of the first head model 4, a display groove is arranged on the outer wall of one side of the first head model 4 close to the mouth 8, a tongue display mechanism is arranged on the inner wall of the display groove, a mounting groove 10 is arranged on the outer wall of the front face of the first head model 4 close to the lower part of the display groove, a detection training mechanism is arranged in the mounting groove 10, a guide hole, and the outer wall of one side of the bottom of the first head model 4 is provided with a display screen 132; during the use, on moving the integrated device to the teaching and speaking chamber through handle 5, and open the framed cover, take out first head model 4, and come to demonstrate the wrong form of tongue in the pronunciation of various english spoken languages to every student through operation tongue show mechanism, thereby played effectively and clearly correct the wrong state of tongue when every student pronounces, also can come to demonstrate the correct tongue form to every student through tongue show mechanism simultaneously, and the position and the distance that go to detect the tongue through detecting training mechanism come to demonstrate english spoken pronunciation exactness more directly perceivedly, the time of student's english spoken language training has been saved greatly, the efficiency of every student's english spoken language training has been improved.

For the sake of simplicity and clarity of presentation of the various aspects of the tongue; as shown in fig. 2-5, the tongue display mechanism includes a first rotating ring 12, a second rotating ring 131, a rack 15, an angle sensor 19, a tongue 20 and a gear 21, the second rotating ring 131 is slidably connected in the guide hole 14, a rotating shaft is inserted into a circumferential inner wall of the second rotating ring 131, one end of the rotating shaft is fixed with a fixed cylinder through a bearing, the first rotating ring 12 is sleeved on one end of the fixed cylinder, the gear 21 is sleeved on a circumferential outer wall of the rotating shaft, the rack 15 is fixed on a top inner wall of the display slot through a bolt, the gear 21 and the rack 15 are engaged with each other, the angle sensor 19 is sleeved on one end of the fixed cylinder close to the first rotating ring 12, and the tongue 20 is bonded on an outer wall of one side; during the use, make gear 21 roll on rack 15 through rotating the rotatory ring 131 of second, the rotatory ring 131 of second is horizontal slip in guide hole 14 simultaneously, thereby the tongue 20 level that has driven fixed section of thick bamboo one side moves to mouth 8, thereby the effect of emulation people tongue 20 extension and shrink has been played, simultaneously through rotating first rotatory ring 12, can effectively drive fixed section of thick bamboo rotatory, it is rotatory also to have driven tongue 20 simultaneously, and then the effect of emulation people tongue 20 bending and straightening has been played, and be provided with angle sensor 19 on the circumference of fixed section of thick bamboo, can effectively measure the rotatory angle of tongue 20, thereby effectively improve the crooked precision of tongue 20, the bandwagon effect of tongue 20 has been promoted greatly.

To effectively demonstrate the distance between the bottom of the tongue 20 and the submaxillary surface of the mouth; as shown in fig. 2 and 5, the detection training structure includes a storage battery 9, a support rod 11, a single chip microcomputer 16, a micro motor 17, a transmission belt 18, a mounting seat 22 and an infrared ranging sensor 23, wherein both the storage battery 9 and the single chip microcomputer 16 are adhered to the inner wall of the bottom of the mounting groove 10, the micro motor 17 is fixed to the inner wall of one side of the top of the mounting groove 10 through a support plate, the support rod 11 is adhered to the inner wall of the bottom of the display groove close to the mouth 8, the mounting seat 22 is fixed to the outer wall of the bottom of the support rod 11 through bolts, the infrared ranging sensor 23 is rotatably connected into the mounting seat 22 through a connecting shaft, two ends of the transmission belt 18 are respectively sleeved on the end of the connecting shaft and the end of an output shaft of the micro motor 17, the single chip microcomputer 16 is in the model of CKS32F103 85; during the use, start micro motor 17, drive the transmission of drive belt 18 through micro motor 17, the rotatory certain angle of connecting epaxial infrared ranging sensor 23 has been promoted, and the distance signal passing signal line passing signal that will record conveys to singlechip 16, by singlechip 16 with data transmission to display screen 132 on, thereby effectively measure the distance between tongue 20 bottom and the show groove bottom, the detail bandwagon effect of english oral training has been promoted, the quality of english oral teaching has been guaranteed, make teaching more directly perceived show for the student, the teaching absorption effect of student has been promoted.

The trainees can freely train and carry conveniently; as shown in fig. 1-2, the outer wall of the front side of the first head model 4 is provided with a receiving groove 13, the inner wall of the receiving groove 13 is clamped with the second head model 6, and one side of the front side of the second head model 6 is clamped with the mounting plate 7; set up second head model 6 in first head model 4 through the mode of nesting child, effectively promoted the portability of whole device and accomodate the effect, simultaneously, also promoted student's self-training effect through this kind of form.

In order to effectively show the second head model 6 to the student, as shown in fig. 3-4, the fixing plate 143 is fixed on the outer wall of the back of the first head model 4 through bolts, the deceleration motor 141 is fixed on the outer wall of one side of the fixing plate 143 through a support plate, the spur gear 142 is sleeved on the output shaft of the deceleration motor 141, the screw 144 is fixed on the outer wall of one side of the fixing plate 143 through a bearing, the side gear 146 is sleeved on the bottom end of the screw 144, the spur gear 142 and the side gear 146 are meshed with each other, the sliding groove 147 is formed on the outer wall of the back of the fixing plate 143, the guide block 145 is slidably connected in the sliding groove 147, the guide block 145 is sleeved on the circumference of the screw 144, the air cylinder 148 is fixed on the outer wall of one side of the guide block 145; in operation, the gear motor 141 is started, the gear motor 141 drives the spur gear 142 to rotate, the spur gear 142 drives the side gear 146 to rotate, the side gear 146 facilitates the screw 144 to rotate, the rotating screw 144 drives the guide block 145 to slide in the sliding groove 147, the guide block 145 drives the second head model 6 to lift from the accommodating groove 13, meanwhile, the cylinder 148 is started, the second head model 6 is pushed to stretch out from the first head model 4, thereby the lifting and the stretching of the second head model 6 are completed, the display of the second head model 6 is effective, and the diversity of the display of the spoken language training details is improved.

The micro motor 17, the storage battery 9, the display screen 132, the angle sensor 19 and the infrared ranging sensor 23 are all connected with switches through conducting wires, each switch is connected with the single chip microcomputer 16 through a signal wire, and the output ends of the angle sensor 19 and the infrared ranging sensor 23 are connected with the input end of the single chip microcomputer 16 through signal wires respectively.

In the embodiment, when the device is used, the integral device is moved to a teaching speaking chamber through the handle 5, the frame cover is opened, the first head model 4 is taken out, the gear 21 rolls on the rack 15 by rotating the second rotating ring 131, and the second rotating ring 131 horizontally slides in the guide hole 14, so that the tongue 20 on one side of the fixed cylinder is driven to horizontally move towards the mouth 8, the effect of simulating the extension and contraction of the tongue 20 is achieved, meanwhile, the fixed cylinder can be effectively driven to rotate by rotating the first rotating ring 12, the tongue 20 is also driven to rotate, the effect of simulating the bending and straightening of the tongue 20 is achieved, the angle sensor 19 is arranged on the circumference of the fixed cylinder, the rotating angle of the tongue 20 can be effectively measured, the bending precision of the tongue 20 is effectively improved, meanwhile, the micro motor 17 is started, the transmission belt 18 is driven by the micro motor 17, the infrared distance measuring sensor 23 on the connecting shaft is promoted to rotate a certain angle, the measured distance signal is transmitted to the singlechip 16 through a signal line, the singlechip 16 transmits data to the display screen 132, thereby effectively measuring the distance between the bottom of the tongue 20 and the bottom of the display groove, promoting the detail display effect of the oral English training, ensuring the quality of oral English teaching, and simultaneously, during this period, the reduction motor 141 is activated, the reduction motor 141 rotates the spur gear 142, the rotating spur gear 142 rotates the side gear 146, the rotating side gear 146 facilitates the rotation of the screw 144, the rotating screw 144 drives the guide block 145 to slide in the slide groove 147, and the guide block 145 drives the second head model 6 to rise from the accommodating groove 13, and at the same time, the cylinder 148 is started to push the second head model 6 to extend from the first head model 4, thereby completing the lifting and extending of the second head model 6.

Example 2:

a spoken language training device capable of showing details in English pronunciation is also used in a spoken language training method for showing details, and comprises the following steps:

s1: the first head model 4 is taken out of the mounting frame 1, the gear 21 rolls on the rack 15 by rotating the second rotating ring 131, and the tongue 20 on one side of the fixed cylinder is driven to horizontally move towards the mouth 8, so that the work of simulating the extension and contraction of the tongue 20 of a person is completed, and the pronunciation condition of the tongue 20 of the mouth is reflected;

s2: then, the first rotating ring 12 is rotated to drive the fixed cylinder to rotate and drive the tongue 20 to rotate, so that the work of simulating the bending and straightening of the tongue 20 of a person is completed, and the pronunciation condition is more visual;

s3: then, the micro motor 17 is started, the transmission belt 18 is driven to transmit through the micro motor 17, the infrared distance measuring sensor 23 on the connecting shaft is promoted to rotate for a certain angle, the measured distance signal is transmitted to the single chip microcomputer 16 through a signal line, and the single chip microcomputer 16 transmits data to the display screen 132, so that the distance between the bottom of the tongue 20 and the bottom of the display groove can be clearly displayed on the display screen 132;

s4: during this time, the reduction motor 141 is started, the reduction motor 141 rotates the screw 144 by means of the engagement of the spur gear 142 and the side gear 146, the rotating screw 144 slides the guide block 145 in the slide groove 147, and the guide block 145 lifts the second head form 6 from the receiving groove 13, and at the same time, the air cylinder 148 is started to push the second head form 6 to extend from the first head form 4, thereby completing the lifting and extension of the second head form 6.

The bending angle of the tongue 20 is tested and compared by the angle sensor 19 to obtain:

table 1: influence of bending angle of tongue 20 on English pronunciation standard degree

English phonetic symbol	Angle of rotation	Direction	Sound effect
				[∧]	25°	Downwards facing	Correction of
[au]	60°	Up	Correction of
				[s]	0°	Level of	Correction of

From the above table, when the person gives a [ ^ ] ", the tongue 20 bends downward by 25 degrees; when a person gives "[ au ]", the tongue 20 bends 60 degrees upward; when people send out "[ s ]", tongue 20 keeps the level 0 °, from this, has reached the standardized effect of english spoken language exercise, simultaneously, also is favorable to clearly showing english phonetic symbol pronunciation tongue 20 change to the student, has promoted the validity of english spoken language pronunciation training, has improved the quality of spoken language training.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (3)

1. A spoken language training device capable of displaying details in English pronunciation comprises an installation frame (1) and is characterized in that a frame cover is fixed to the outer wall of the top of the installation frame (1) through a hinge, a handle (5) is fixed to the outer wall of the top of the frame cover through a bolt, transparent glass (2) is fixed to the outer wall of the periphery of the installation frame (1) through screws respectively, a base (3) is placed at the bottom of the installation frame (1), a first head model (4) is fixed to the outer wall of the top of the base (3) through a bolt, a mouth (8) is formed in the outer wall of one side of the first head model (4), a display groove is formed in the outer wall of one side, close to the mouth (8), of the first head model (4), a tongue display mechanism is arranged on the inner wall of the display groove, a mounting groove (10) is formed in the outer wall of the front face, close to the lower portion of the display groove, and a, the outer wall of the back of the first head model (4) close to the tongue display mechanism is provided with a guide hole (14), and the outer wall of one side of the bottom of the first head model (4) is provided with a display screen (132).

2. The spoken language training device for displaying details of english pronunciation according to claim 1, wherein the spoken language training method of the device comprises the steps of:

s1: the first head model (4) is taken out of the mounting frame (1), the gear (21) rolls on the rack (15) by rotating the second rotating ring (131), and the tongue (20) on one side of the fixed cylinder is driven to horizontally move towards the mouth (8), so that the work of simulating the extension and contraction of the tongue (20) of a person is completed, and the pronunciation condition of the tongue (20) of the mouth is reflected;

s2: then, the first rotating ring (12) is rotated to drive the fixed cylinder to rotate and drive the tongue (20) to rotate, so that the work of simulating the bending and straightening of the tongue (20) of a person is completed, and the pronunciation condition is more visual;

s3: then, the micro motor (17) is started, the transmission belt (18) is driven by the micro motor (17) to transmit, the infrared distance measuring sensor (23) on the connecting shaft is promoted to rotate for a certain angle, the measured distance signal is transmitted to the single chip microcomputer (16) through a signal line, and the single chip microcomputer (16) transmits data to the display screen (132), so that the distance between the bottom of the tongue (20) and the bottom of the display groove can be clearly displayed on the display screen (132);

s4: during the period, the speed reducing motor (141) is started, the speed reducing motor (141) drives the screw rod (144) to rotate in a mode that the spur gear (142) is meshed with the side gear (146), the rotating screw rod (144) drives the guide block (145) to slide in the sliding groove (147), the guide block (145) drives the second head model (6) to rise from the accommodating groove (13), meanwhile, the air cylinder (148) is started to push the second head model (6) to extend from the first head model (4), and therefore the second head model (6) is lifted and stretched.

3. The device for oral training of english sound for showing details according to claim 2, wherein the device is characterized in that the tongue (20) is bent downward 25 ° when the spoken training method of the device is given "[ Λ ]", the tongue (20) is bent upward 60 ° when the spoken training method is given "[ au ]", and the tongue 20 is kept horizontal 0 ° when the spoken training method is given "[ s ]".

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