English follow-up reading device for English teaching

Abstract

The invention provides an English follow-up reading device for English teaching, and belongs to the technical field of English follow-up reading teaching. Comprising a following and reading simulation assembly and a base, a sounding device is fixedly installed at the tail end of the base and can be used in cooperation with the following and reading simulation assembly, the following and reading simulation assembly is composed of a lower meshing part, a tongue simulating mechanism, a driving roller and an upper meshing part, and the tongue simulating mechanism is composed of a tongue tip part, a tongue body part and a tongue root part. And the tongue simulating mechanism can simulate human tongue movement during sound production. The artificial tongue mechanism is arranged to be matched with the driving roller to control contraction and release of the steel wire rope, the tongue tip is controlled to move, meanwhile, the rotating base driven by the first motor adjusts the angle of the tongue root, and arching or deformation of the tongue body is achieved through the movement state of the lower triangular body and the upper triangular body linked with the steering engine. Motion tracks of raising, contracting, arching and the like of the tongue of a human body can be accurately simulated when different phonetic symbols sound.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of English reading teaching, in particular to an English reading device for English teaching. BACKGROUND

[0002] At present, in the field of English teaching, English reading is an important way to improve oral English ability, but the related equipment has many shortcomings.

[0003] Traditional reading devices are mostly simple audio players that can only provide standard pronunciation and cannot simulate the position and movement of the tongue when pronouncing different phonetic symbols. Scholars cannot intuitively feel the changes inside the oral cavity and cannot master the pronunciation skills. Although many existing technologies focus on voice recognition and other functions, they are seriously insufficient in simulating the movement of the tongue and the coordination of the teeth, which greatly affects the scholars' mastery of correct pronunciation methods, resulting in scholars only being able to imitate sounds and not being able to fundamentally understand the pronunciation principle, affecting learning effectiveness and efficiency.

[0004] Therefore, there is an urgent need for an English reading device that can accurately simulate the movement state of the tongue to fill the market gap and improve the quality of English teaching. SUMMARY

[0005] The technical problem to be solved by the present application is to provide an English reading device for English teaching, which can accurately simulate the movement state of the tongue by setting the tongue mechanism to control the contraction and release of the steel wire rope with the driving roller, control the movement of the tongue tip, adjust the angle of the tongue root with the motor-driven rotating seat, and realize the arching or deformation of the tongue body with the movement state of the lower and upper triangular bodies connected by the rudder, so as to accurately simulate the lifting, contraction and arching of the human tongue when pronouncing different phonetic symbols, thereby solving the problem that existing English reading devices cannot accurately simulate the movement state of the tongue.

[0006] To solve the above technical problems, the present application provides the following technical solutions: An English reading device for English teaching, comprising a reading simulation assembly and a base, wherein the base is fixedly installed at the end with a sound producing device, the sound producing device can be used in cooperation with the reading simulation assembly, and the reading simulation assembly is composed of a lower occlusion part, a tongue mechanism, a driving roller and an upper occlusion part. The tongue mechanism is composed of a tongue tip part, a tongue body part and a tongue root part, and the tongue mechanism can simulate the movement of the human tongue when producing sound. The lower bite part is rotationally connected with the top of the base, a lower gum part is fixedly installed on the inner wall of the front end of the lower bite part, a lower tooth part is fixedly installed on the top of the lower gum part, an upper gum part is fixedly installed on the inner wall of the front end of the upper bite part, an upper tooth part is fixedly installed on the bottom of the upper gum part, a rubber mimic tongue is arranged inside the lower bite part, the rubber mimic tongue is sleeved on the outer end of the mimic tongue mechanism, and the inner wall of the rubber mimic tongue is in contact with the mimic tongue mechanism, the lower bite part, the lower gum part, the upper bite part and the upper gum part are all made of transparent acrylic plate, the rubber mimic tongue is made of red rubber, and the upper tooth part and the lower tooth part are both made of colored transparent material.

[0007] Optionally, the tongue body part comprises a base, the front end wall of the base is rotationally connected with the terminal wall of the tongue tip part, a square groove is formed in the bottom surface of the middle part of the base, slide rails are fixedly installed on the inner walls of the two ends of the square groove, a same lower triangular body is slidably connected on the two groups of slide rails, buckle rail plates are fixedly installed at the four corners of the bottom of the lower triangular body, and the buckle rail plates are clamped with the corresponding slide rails.

[0008] Optionally, an upper triangular body is arranged on the top of the lower triangular body, the upper triangular body is slidably matched with the inclined wall of the lower triangular body, slide channels are fixedly installed on the inner walls of the two sides of the base, the upper triangular body is slidably connected with the base through the slide channels, matching plates are fixedly installed on the two sides of the inclined wall of the upper triangular body and the lower triangular body, inner slide grooves are formed in the inner walls of the matching plates on the two sides of the upper triangular body, a plurality of groups of balls are rotationally installed on the outer walls of the matching plates on the two sides of the lower triangular body, the plurality of groups of balls on the same side are used in cooperation with the corresponding inner slide grooves, and an arched top block is fixedly installed on the top of the upper triangular body.

[0009] Optionally, the tongue root part comprises a rotating seat, a flexible plate is fixedly installed on the front end wall of the rotating seat, the front end wall of the flexible plate is rotationally connected with the terminal wall of the base, the flexible plate is made of elastic hard plastic, an inclined supporting plate is fixedly installed on the inner wall of the bottom of the lower bite part, limit racks are fixedly installed on the two sides of the top of the terminal end of the inclined supporting plate, the two sides of the terminal end of the rotating seat are rotationally connected with the top of the two groups of limit racks, respectively, a motor one is fixedly installed on the outer wall of the connection part of the left limit rack and the rotating seat, the output end of the motor one is fixedly connected with the rotating seat, a rudder engine is fixedly installed on the inner wall of the bottom of the rotating seat, and a rotating plate is fixedly installed on the output end of the rudder engine.

[0010] Optionally, a rotating frame is rotationally connected with the center of the bottom of the lower triangular body, connecting plates are slidably connected with the inner walls of the two sides of the rotating frame, and the other ends of the connecting plates are slidably connected with the inner walls of the two sides of the rotating plate.

[0011] Optionally, the driving roller is rotationally connected to the top end of the inclined support plate, a left spiral groove is formed in the top outer wall of the driving roller, a right spiral groove is formed in the bottom outer wall of the driving roller, the right spiral groove is symmetrically arranged with the left spiral groove, a steel wire is wound in the right spiral groove and the left spiral groove, the steel wire in the left spiral groove is movably penetrated through the arched top block and fixedly connected to the top right side of the tongue tip, the steel wire in the right spiral groove is movably penetrated through the base and fixedly connected to the bottom left side of the tongue tip, and a second motor is fixedly installed at the bottom end of the base and fixedly connected to the end wall of the driving roller.

[0012] Optionally, a second cylinder is fixedly installed at the top end of the base and fixedly connected to the bottom of the upper occlusion part, and a first cylinder is rotationally connected to the top end of the base and rotationally connected to the front end bottom of the inclined support plate.

[0013] Compared with the prior art, the present application has at least the following advantages:

[0014] In the above scheme, the contraction and opening of the steel wire are controlled by the tongue-shaped mechanism cooperating with the driving roller to control the movement of the tongue tip, the angle of the tongue root is adjusted by the rotating seat driven by the first motor, and the movement state of the lower triangular body and the upper triangular body linked by the steering wheel realizes the arching or deformation of the tongue body, which can accurately simulate the lifting, contraction, arching and other movement trajectories of the human tongue when different phonetic symbols are pronounced. The key components such as the lower occlusion part and the upper occlusion part are made of transparent acrylic plates, the upper teeth and the lower teeth are made of colored transparent materials, and the rubber tongue is red, which can intuitively display the cooperation state of the tongue, teeth and gums, visualize the invisible oral pronunciation process, and when the base sound device plays standard pronunciation, the upper and lower occlusion parts adjusted by the tongue-shaped mechanism and the first and second cylinders can be synchronously linked to form a coordinated demonstration of audio and action, helping learners to fundamentally understand the pronunciation principle and effectively improve the English follow-up learning effect and teaching quality. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the application and, together with the description, further serve to explain the principles of the application and to enable a skilled artisan to make and use the application.

[0016] Figure 1 It is a three-dimensional structure schematic diagram of an English follow-up learning device for English teaching; Figure 2 It is a state diagram of the rubber tongue in the lower occlusion part and the upper occlusion part; Figure 3 It is an assembly drawing of the upper occlusion part and the lower occlusion part; Figure 4 It is an installation drawing of the two groups of cylinders and the upper and lower occlusion parts; Figure 5 State diagram of the tongue-like mechanism in the lower bite part; Figure 6 Disassembled view of the structure in the lower bite part; Figure 7 Schematic diagram of the mounting structure of the tongue-like mechanism and the inclined support plate; Figure 8 Working state diagram of the driving roller; Figure 9 Structure diagram of the tongue-like mechanism in the initial state; Figure 10 Bottom view of the tongue-like mechanism in the initial state; Figure 11 Schematic diagram of the structure of the tongue-like mechanism in the tongue tip lifting state; Figure 12 Bottom view of the tongue-like mechanism in the tongue tip lifting state; Figure 13 Schematic diagram of the structure of the driving roller; Figure 14 Schematic diagram of the mounting structure of the flexible plate and the base; Figure 15 Disassembled view of the tongue root part; Figure 16 Schematic diagram of the mounting structure of the rotating plate and the steering engine; Figure 17 Mounting position diagram of the arch-shaped top block; Figure 18 Schematic diagram of the structure of the tongue body part; Figure 19 Disassembled view of the tongue body part; Figure 20 State diagram of the lower triangular body lifting the upper triangular body; Figure 21 State diagram of the lower triangular body not lifting the upper triangular body; Figure 22 Assembled diagram of the inner sliding groove in the upper triangular body and the ball in the lower triangular body; Figure 23 Assembled diagram of the four sets of buckling rail plates on the lower triangular body.

[0017] Reference signs: The follow-up simulation assembly 100, the lower bite part 110, the lower gum part 111, the lower tooth part 112, the inclined support plate 113, the rubber-like tongue 114, the air cylinder one 115, the tongue simulation mechanism 120, the tongue tip part 130, the tongue body part 140, the base 141, the square groove 142, the slide 143, the slide rail 144, the lower triangular body 145, the buckle rail plate 146, the rotating frame 147, the connecting plate 148, the upper triangular body 150, the matching plate 151, the inner slide groove 152, the ball 153, the arched top block 160, the tongue root part 170, the limiting frame 171, the rotating seat 172, the motor one 173, the steering wheel 174, the rotating plate 175, the flexible plate 176, the driving roller 180, the left spiral groove 181, the right spiral groove 182, the steel wire rope 183, the motor two 184, the upper bite part 190, the upper gum part 191, the upper tooth part 192, the air cylinder two 193, the base 200, the sound production device 210.

[0018] As shown in the drawings, in order to clearly realize the structure of the embodiments of the present application, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the present application in the specific structure, device and environment, and those skilled in the art can adjust or modify these devices and environment according to specific needs. DETAILED DESCRIPTION

[0019] The English follow-up device for English teaching provided by the present application is described in detail below in combination with the drawings and specific embodiments. It is pointed out here that, in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and other alternative ways can also be adopted by those skilled in the art to implement; and the drawings are only for more specific description of the embodiments, and are not intended to specifically limit the present application.

[0020] As Figures 1 to 23 shown, the embodiments of the present application provide an English follow-up device for English teaching, which comprises a follow-up simulation assembly 100 and a base 200, and the base 200 is fixedly provided with a sound production device 210 at the end, which can emit international phonetic alphabets or English words, so as to facilitate the learning of scholars, and the sound production device 210 can be used in cooperation with the follow-up simulation assembly 100, the follow-up simulation assembly 100 can simulate the tongue phonetic alphabet according to the sound emitted by the sound production device 210, so as to facilitate the pronunciation correction of teaching scholars, and the follow-up simulation assembly 100 is composed of a lower bite part 110, a tongue simulation mechanism 120, a driving roller 180 and an upper bite part 190, wherein the tongue simulation mechanism 120 cooperates with the lower bite part 110 and the upper bite part 190, so as to realize teaching, and the driving roller 180 can drive the tongue simulation mechanism 120; The tongue mechanism 120 is composed of a tongue tip 130, a tongue body 140 and a tongue root 170, and can simulate the movement of the human tongue when pronouncing. The tongue mechanism 120 controls the movement of the tongue tip 130, the tongue body 140 and the tongue root 170, so as to simulate the position of the tongue when pronouncing, for example: When pronouncing the phoneme / i: / , the tongue tip is against the lower teeth, and the front part of the tongue is lifted as high as possible; When pronouncing the phoneme / i / , the tongue tip is against the lower teeth, and the front part of the tongue is lifted towards the palate; When pronouncing the phoneme / ʃ / , the tongue body is lifted entirely, and the front part of the tongue is close to the upper teeth; The lifting and lowering of the tongue tip 130 and the tongue body 140 can be controlled by the driving roller 180, the lifting and lowering of the tongue root 170 can be controlled by the motor 173, and the arching of the tongue body 140 can be controlled by the steering wheel 174, so that the tongue mechanism 120 can simulate the movement state of the tongue when pronouncing when the pronunciation device 210 pronounces English; The lower bite 110 is rotatably connected to the top of the base 200, the lower bite 110 is fixedly installed with a lower gum 111 on the inner wall of the front end, the lower gum 111 is fixedly installed with a lower tooth 112 on the top, the upper bite 190 is fixedly installed with an upper gum 191 on the inner wall of the front end, the upper gum 191 is fixedly installed with an upper tooth 192 on the bottom, the lower bite 110 is provided with a rubber tongue 114 inside, the rubber tongue 114 is sleeved on the outer end of the tongue mechanism 120, and the inner wall of the rubber tongue 114 is in contact with the tongue mechanism 120, the lower bite 110, the lower gum 111, the upper bite 190 and the upper gum 191 are all transparent acrylic plates, the rubber tongue 114 is composed of red rubber, and the upper tooth 192 and the lower tooth 112 are all composed of colored transparent materials, which can facilitate scholars to observe and learn through color setting.

[0021] In this embodiment, as Figures 17 to 23As shown, the tongue body part 140 includes a base 141, the front end wall of which is rotationally connected with the end wall of the tongue tip part 130, a square groove 142 is formed in the bottom surface of the middle part of the base 141, the inner walls at both ends of the square groove 142 are fixedly installed with slide rails 144, the same lower triangular body 145 is slidably connected on the two groups of slide rails 144, the bottom four corners of the lower triangular body 145 are fixedly installed with buckle rail plates 146, and the buckle rail plates 146 are clamped with the corresponding slide rails 144, the buckle rail plates 146 can ensure that the lower triangular body 145 moves linearly on the slide rails 144 without derailing, the top of the lower triangular body 145 is provided with an upper triangular body 150, the upper triangular body 150 is slidably connected with the inclined wall of the lower triangular body 145, the inner walls of both sides of the base 141 are fixedly installed with slide ways 143, the upper triangular body 150 is slidably connected with the base 141 through the slide ways 143, the slide ways 143 limit the movement of the upper triangular body 150, the inclined walls of both sides of the upper triangular body 150 and the lower triangular body 145 are fixedly installed with cooperation plates 151, the inner walls of the cooperation plates 151 located on both sides of the upper triangular body 150 are formed with inner slide grooves 152, the outer walls of the cooperation plates 151 located on both sides of the lower triangular body 145 are rotationally installed with groups of ball bearings 153, the groups of ball bearings 153 located on the same side are used in cooperation with the corresponding inner slide grooves 152, the cooperation between the ball bearings 153 and the inner slide grooves 152 can facilitate the relative movement between the upper triangular body 150 and the lower triangular body 145, and an arc-shaped top block 160 is fixedly installed on the top of the upper triangular body 150.

[0022] In the present embodiment, as Figures 14 to 16As shown, the tongue root part 170 comprises a swivel base 172, a flexible plate 176 is fixedly installed on the front end wall of the swivel base 172, the front end wall of the flexible plate 176 is rotationally connected with the end wall of the base 141, the flexible plate 176 is made of elastic hard plastic and can slightly deform when lateral pressure is applied, the bottom inner wall of the lower occlusion part 110 is fixedly installed with an inclined supporting plate 113, the inclined supporting plate 113 can be made of transparent acrylic plate and can facilitate scholars to observe, the top end of the inclined supporting plate 113 is fixedly installed with a limiting frame 171 on both sides, the end sides of the swivel base 172 are rotationally connected with the top of the two limiting frames 171 respectively, the limiting frame 171 supports the swivel base 172, the outer wall of the connecting position of the left limiting frame 171 and the swivel base 172 is fixedly installed with a motor one 173, and the output end of the motor one 173 is fixedly connected with the swivel base 172, the swivel base 172 can be driven to rotate by the motor one 173, so as to realize the rotation of the tongue root part 170, the bottom inner wall of the swivel base 172 is fixedly installed with a rudder 174, and the output end of the rudder 174 is fixedly installed with a rotating plate 175, the bottom center of the lower triangular body 145 is rotationally connected with a rotating frame 147, the inner walls of the two sides of the rotating frame 147 are slidably connected with a connecting plate 148, the other end of the connecting plate 148 is slidably connected with the inner walls of the two sides of the rotating plate 175, in the application, when it is needed to control the tongue to be lifted, the rudder 174 is driven to swing the rotating plate 175, so that the rotating plate 175 swings the connecting plate 148, under the buffering action of the rotating frame 147, the connecting plate 148 can drive the lower triangular body 145 to move inward, under the limiting action of the slide 143, the lower triangular body 145 can top up the upper triangular body 150, drives the upper triangular body 150 to top up the arch-shaped top block 160, forces the arch-shaped top block 160 to top up the rubber mimic tongue 114, realizes the control of the arching of the tongue body, when the lower triangular body 145 moves to the limit position, the rudder 174 is continuously controlled to swing, so that the lower triangular body 145 can exert pressure on the base 141, so that the base 141 drives the flexible plate 176 to deform, and realizes the movement of the twisted tongue.

[0023] As an embodiment in the present embodiment, as Figures 9 to 13As shown, the driving roller 180 is rotatably connected to the top end of the inclined support plate 113, a left helical groove 181 is formed in the outer wall of the top of the driving roller 180, a right helical groove 182 is formed in the outer wall of the bottom of the driving roller 180, and the right helical groove 182 is symmetrically arranged with the left helical groove 181, when the driving roller 180 rotates, the rotation directions of the right helical groove 182 and the left helical groove 181 are opposite, so the movement states of the steel wire ropes 183 in the helical grooves are also opposite, the steel wire ropes 183 are wound in the right helical groove 182 and the left helical groove 181, the steel wire rope 183 in the left helical groove 181 is movably penetrated through the arched top block 160 and is fixedly connected to the top right side of the tongue tip part 130, the steel wire rope 183 in the right helical groove 182 is movably penetrated through the bottom of the base 141 and is fixedly connected to the bottom left side of the tongue tip part 130, the second motor 184 is fixedly installed at the bottom of the inclined support plate 113 and the output end of the second motor 184 is fixedly connected to the end wall of the driving roller 180, in the application, the second motor 184 drives the driving roller 180 to rotate, so that the steel wire rope 183 on the driving roller 180 is unwound or wound, thereby driving the tongue tip part 130 to lift or contract, when the tongue tip part 130 is lifted or contracted to a certain position, the tongue body part 140 is lifted or contracted, which conforms to the movement law of the tongue and realizes the control of the movement of the tongue tip and the tongue body, and in the same way, the first motor 173 drives the rotating seat 172 to rotate, so that the control of the lifting or contraction of the tongue root is realized.

[0024] As an embodiment in the present embodiment, as shown in Figures 1 to 4 As shown, the second cylinder 193 is fixedly installed at the top end of the base 200 and the output end of the second cylinder 193 is fixedly connected to the bottom of the upper occlusion part 190, the first cylinder 115 is rotatably connected to the top of the front end of the base 200 and the output end of the first cylinder 115 is rotatably connected to the bottom of the front end of the inclined support plate 113, in the same way, the first cylinder 115 drives the lower occlusion part 110 to rotate, so that the movement of the lower jaw of the human body is simulated, in the application, when the tongue simulation mechanism 120 moves, the first cylinder 115 and the second cylinder 193 are driven, so that the lower occlusion part 110 and the upper occlusion part 190 can move, thereby changing the relative positions of the lower tooth part 112 and the upper tooth part 192, in combination with the position of the rubber simulation tongue 114, different phonetic symbols can be simulated, for example, the first cylinder 115 drives the upper occlusion part 190 to move downward, and the second cylinder 193 drives the lower occlusion part 110 to rotate upward, so that the lower tooth part 112 and the upper tooth part 192 are in contact.

[0025] The working principle of the technical scheme provided by the present application is as follows: in the English follow-up teaching, the sound emitting device 210 emits the English word (phonetic spelling) to be learned, the driving motor two 184 drives the driving roller 180 to rotate, so that the steel wire rope 183 on the driving roller 180 is unwound or wound (when the steel wire rope 183 in the left spiral groove 181 is wound, the steel wire rope 183 in the symmetrically arranged right spiral groove 182 is unwound), thereby driving the tongue tip part 130 to lift or contract, when the tongue tip part 130 lifts or contracts to a certain position, the tongue body part 140 is lifted or contracted (refer to the description of the accompanying drawings Figure 11 ), in accordance with the movement law of the tongue, the movement of the tongue tip and the tongue body is controlled, and by the same token, the driving motor one 173 drives the rotating seat 172 to rotate, thereby controlling the lifting or contraction of the tongue root; When the tongue needs to be controlled to lift forward, the driving rudder 174 drives the rotating plate 175 to swing, so that the rotating plate 175 drives the connecting plate 148 to swing, under the buffering action of the rotating frame 147, the connecting plate 148 can drive the lower triangular body 145 to move inward, under the limiting action of the slide 143, the lower triangular body 145 can top up the upper triangular body 150, drive the upper triangular body 150 to top up the arch-shaped top block 160, force the arch-shaped top block 160 to top up the rubber artificial tongue 114, and realize the control of the arching of the tongue body, when the lower triangular body 145 moves to the limit position (i.e. in contact with the inner walls on both sides of the base 141), the rudder 174 continues to swing, which can make the lower triangular body 145 exert a pressing force on the base 141, so that the base 141 drives the flexible plate 176 to deform, and the movement of the twisted tongue is realized. At the same time of controlling the movement of the artificial tongue mechanism 120, the driving cylinder one 115 and the cylinder two 193 can make the lower occlusion part 110 and the upper occlusion part 190 move, so as to change the relative position of the lower tooth part 112 and the upper tooth part 192, and cooperate with the position of the rubber artificial tongue 114, so as to simulate different phonetic spellings.

[0026] The present application covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present application. In order to make the public have a thorough understanding of the present application, specific details are described in the following preferred embodiments of the present application, and the present application can also be completely understood without the description of these details for those skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the present application, well-known methods, processes, procedures, elements and circuits are not described in detail.

[0027] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principle of the present application, a number of improvements and refinements can be made, which should also be regarded as the protection scope of the present application.

Claims

1. An English following reading device for English teaching, comprising a following reading simulation assembly (100) and a base (200), characterized in that, The bottom (200) end fixedly installed with sound device (210), the sound device (210) can be used with the follow-up reading simulation assembly (100), the follow-up reading simulation assembly (100) is composed of lower occlusion (110), tongue mechanism (120), drive roller (180) and upper occlusion (190); The tongue mechanism (120) is composed of tongue tip (130), tongue body (140) and tongue root (170), and the tongue mechanism (120) can simulate the movement of human tongue when sounding; The lower occlusion (110) is rotatably connected to the top of the base (200), the inner wall of the front end of the lower occlusion (110) is fixedly installed with the lower gingival part (111), the top of the lower gingival part (111) is fixedly installed with the lower tooth part (112), the inner wall of the front end of the upper occlusion (190) is fixedly installed with the upper gingival part (191), the bottom of the upper gingival part (191) is fixedly installed with the upper tooth part (192), the inside of the lower occlusion (110) is provided with a rubber tongue (114), the rubber tongue (114) is sleeved on the outer end of the tongue mechanism (120), and the inner wall of the rubber tongue (114) is in contact with the tongue mechanism (120), the lower occlusion (110), the lower gingival part (111), the upper occlusion (190), and the upper gingival part (191) are all composed of transparent acrylic plates, the rubber tongue (114) is composed of red rubber, and the upper tooth part (192) and the lower tooth part (112) are both composed of colored transparent material.

2. The English following-up device for English teaching according to claim 1, wherein The tongue body (140) includes a base (141), the front end wall of the base (141) is rotatably connected to the end wall of the tongue tip (130), a square groove (142) is formed in the middle bottom surface of the base (141), slide rails (144) are fixedly installed on the inner walls of both ends of the square groove (142), a same lower triangular body (145) is slidably connected to the two groups of slide rails (144), buckle rail plates (146) are fixedly installed at the bottom corners of the lower triangular body (145), and the buckle rail plates (146) are connected with the corresponding slide rails (144).

3. The English following-up device for English teaching according to claim 2, wherein The lower triangular body (145) is provided with an upper triangular body (150), the upper triangular body (150) is slidably connected with the inclined wall of the lower triangular body (145), slide ways (143) are fixedly installed on the inner walls of both sides of the base (141), the upper triangular body (150) is slidably connected with the base (141) through the slide ways (143), cooperating plates (151) are fixedly installed on the inclined walls of both sides of the upper triangular body (150) and the lower triangular body (145), inner slide grooves (152) are formed in the inner walls of the cooperating plates (151) on both sides of the upper triangular body (150), a plurality of groups of rolling balls (153) are rotatably installed on the outer walls of the cooperating plates (151) on both sides of the lower triangular body (145), the rolling balls (153) on the same side are used in cooperation with the corresponding inner slide grooves (152), and an arc-shaped top block (160) is fixedly installed on the top of the upper triangular body (150).

4. The English following-up device for English teaching according to claim 2, wherein The tongue root (170) includes a rotating seat (172), the flexible plate (176) is fixedly installed on the front end wall of the rotating seat (172), the front end wall of the flexible plate (176) is rotationally connected with the end wall of the base (141), the flexible plate (176) is made of elastic hard plastic, the inclined supporting plate (113) is fixedly installed on the bottom inner wall of the lower occlusion part (110), the limit frame (171) is fixedly installed on the top of the two sides of the inclined supporting plate (113), the rotating seat (172) is rotationally connected with the top of the two groups of limit frames (171) on the two sides of the end, the motor one (173) is fixedly installed on the outer wall of the connection part of the left limit frame (171) and the rotating seat (172), the output end of the motor one (173) is fixedly connected with the rotating seat (172), the rudder (174) is fixedly installed on the bottom inner wall of the rotating seat (172), and the output end of the rudder (174) is fixedly installed with the rotating plate (175).

5. The English following-up device for English teaching according to claim 4, wherein The rotating frame (147) is rotationally connected with the bottom center of the lower triangular body (145), the connecting plate (148) is slidably connected with the inner walls on the two sides of the rotating frame (147), and the other end of the connecting plate (148) is slidably connected with the inner walls on the two sides of the rotating plate (175).

6. The English following-up device for English teaching according to claim 4, wherein The driving roller (180) is rotationally connected with the top of the end of the inclined supporting plate (113), the left spiral groove (181) is formed in the top outer wall of the driving roller (180), the right spiral groove (182) is formed in the bottom outer wall of the driving roller (180), the right spiral groove (182) and the left spiral groove (181) are symmetrically arranged, the steel wire rope (183) is wound in the right spiral groove (182) and the left spiral groove (181), the steel wire rope (183) in the left spiral groove (181) is movably penetrated through the arched top block (160) and is fixedly connected with the top right side of the tongue tip (130), the steel wire rope (183) in the right spiral groove (182) is movably penetrated through the bottom of the base (141) and is fixedly connected with the bottom left side of the tongue tip (130), the motor two (184) is fixedly installed on the bottom of the inclined supporting plate (113), and the output end of the motor two (184) is fixedly connected with the end wall of the driving roller (180).

7. The English following-up device for English teaching according to claim 4, wherein The cylinder two (193) is fixedly installed on the top of the end of the base (200), and the output end of the cylinder two (193) is fixedly connected with the bottom of the upper occlusion part (190), the cylinder one (115) is rotationally connected with the top of the front end of the base (200), and the output end of the cylinder one (115) is rotationally connected with the front end bottom of the inclined supporting plate (113).

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