Oral motor assembly

Abstract

The application discloses an oral cavity movement assembly, which comprises a palate plate, a left driving movement block, a left driven movement block, a left front-back movement driving module, a right driving movement block, a right driven movement block, a right front-back movement driving module and an inner-outer linkage movement driving module. The left driven movement block is fixedly connected with the left driving movement block. When the left front-back movement driving module works, the left driving movement block is driven to move forward and backward. The right driven movement block is fixedly connected with the right driving movement block. When the right front-back movement driving module works, the right driving movement block is driven to move forward and backward. The inner-outer linkage movement driving module is in transmission connection with the left front-back movement driving module and the right front-back movement driving module. When the inner-outer linkage movement driving module works, the left driving movement block and the right driving movement block are synchronously driven to move inward or outward. The application realizes the movement of the inner wall of the oral cavity and improves the richness of the facial expression of the bionic robot.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bionic robots, and more particularly to an oral cavity movement assembly. BACKGROUND

[0002] As an important part of the head of a bionic robot, the existing oral cavity of a robot has few movement actions, for example, only the up-and-down movement of the chin and the front-and-back movement of the tongue can be realized, and the movement of the inner wall of the oral cavity cannot be realized, but the movement of the inner wall of the oral cavity is often important because it can improve the richness of the facial expression of the bionic robot.

[0003] Therefore, it is necessary to design a movement structure for the inner wall of the oral cavity to control the movement of the inner wall of the oral cavity, so as to improve the richness of the facial expression of the bionic robot. SUMMARY

[0004] The present application aims to overcome the shortcomings of the prior art and provide an oral cavity movement assembly, which aims to realize the movement control of the inner wall of the oral cavity and improve the richness of the facial expression of the bionic robot.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] The present application provides an oral cavity movement assembly, which comprises a palate plate, a left driving movement block, a left driven movement block, a left front-and-back movement driving module, a right driving movement block, a right driven movement block, a right front-and-back movement driving module and an inner-and-outer linkage movement driving module, the left driven movement block is fixedly connected with the left driving movement block, the left front-and-back movement driving module is in transmission connection with the left driving movement block, when the left front-and-back movement driving module works, it drives the left driving movement block to move forward and backward, the right driven movement block is fixedly connected with the right driving movement block, the right front-and-back movement driving module is in transmission connection with the right driving movement block, when the right front-and-back movement driving module works, it drives the right driving movement block to move forward and backward, the inner-and-outer linkage movement driving module is in transmission connection with the left front-and-back movement driving module and the right front-and-back movement driving module, when the inner-and-outer linkage movement driving module works, it drives the left driving movement block and the right driving movement block to move synchronously inward or outward.

[0007] Further technical solutions are as follows: the left front-and-back movement driving module comprises a left front-and-back movement swing arm and a left front-and-back movement driving motor, one end of the left front-and-back movement swing arm is connected with the left front-and-back movement driving motor, the other end of the left front-and-back movement swing arm is hingedly connected with the rear side of the left driving movement block, the upper side of the left driving movement block is movably connected with the palate plate, and the front side of the left driving movement block is fixedly connected with the left driven movement block.

[0008] Further technical solutions are that the upper side of the left main movable block is provided with a left L-shaped front-back moving plate, and the upper jaw plate is provided with a left front-back moving guide gap.

[0009] Further technical solutions are that the bottom of the front side of the left main movable block is provided with a left connecting ear part, the left connecting ear part is provided with a left connecting ear hole, the inner side of the left driven movable block is provided with a left positioning column, and the left connecting ear hole is fixedly sleeved on the left positioning column.

[0010] Further technical solutions are that the inner side of the left driven movable block is provided with a left arc-shaped sliding groove, the bottom surface of the upper jaw plate extends downward and is provided with a left fixed supporting arm, the lower end of the left fixed supporting arm is provided with a left arm hook-shaped part clamped in the left arc-shaped sliding groove, and the outer side of the left driven movable block is provided with a left outer skin cheek connecting part.

[0011] Further technical solutions are that the right front-back moving drive module comprises a right front-back moving swing arm and a right front-back moving drive motor, one end of the right front-back moving swing arm is connected with the right front-back moving drive motor, the other end of the right front-back moving swing arm is hingedly connected with the rear side of the right main movable block, the upper side of the right main movable block is movably connected with the upper jaw plate, and the front side of the right main movable block is fixedly connected with a right driven movable block.

[0012] Further technical solutions are that the upper side of the right main movable block is provided with a right L-shaped front-back moving plate, and the upper jaw plate is provided with a right front-back moving guide gap, and the right L-shaped front-back moving plate is arranged in the right front-back moving guide gap.

[0013] Further technical solutions are that the bottom of the front side of the right main movable block is provided with a right connecting ear part, the right connecting ear part is provided with a right connecting ear hole, the inner side of the right driven movable block is provided with a right positioning column, and the right connecting ear hole is fixedly sleeved on the right positioning column.

[0014] Further technical solutions are that the inner side of the right driven movable block is provided with a right arc-shaped sliding groove, the bottom surface of the upper jaw plate extends downward and is provided with a right fixed supporting arm, the lower end of the right fixed supporting arm is provided with a right arm hook-shaped part clamped in the right arc-shaped sliding groove, and the outer side of the right driven movable block is provided with a right outer skin cheek connecting part.

[0015] Further technical solutions are: the inner and outer linkage movement driving module includes left front and back movement driving motor first connecting rod, left front and back movement driving motor second connecting rod, right front and back movement driving motor first connecting rod, right front and back movement driving motor second connecting rod, first linkage rod, second linkage rod and inner and outer movement driving motor, one end of the left front and back movement driving motor first connecting rod and one end of the left front and back movement driving motor second connecting rod are hinged to the same side of the left front and back movement driving motor, one end of the right front and back movement driving motor first connecting rod and one end of the right front and back movement driving motor second connecting rod are hinged to the same side of the right front and back movement driving motor, the other end of the left front and back movement driving motor first connecting rod is hinged to one end of the first linkage rod, the other end of the first linkage rod is hinged to the other end of the right front and back movement driving motor second connecting rod, the other end of the left front and back movement driving motor second connecting rod is hinged to one end of the second linkage rod, the other end of the second linkage rod is hinged to the other end of the right front and back movement driving motor first connecting rod, the output shaft of the inner and outer movement driving motor is connected to the middle part of the first linkage rod and the second linkage rod, when the inner and outer movement driving motor works, it drives the left front and back movement driving motor and the right front and back movement driving motor to move synchronously inward or outward, so that the left active movement block and the right active movement block move synchronously inward or outward.

[0016] The beneficial effects of the present application compared with the prior art are: through the left active movement block, the left driven movement block, the left front and back movement driving module, the right active movement block, the right driven movement block, the right front and back movement driving module and the inner and outer linkage movement driving module, the left active movement block is driven by the left front and back movement driving module to move forward and backward, realizing the forward and backward movement of the left inner wall of the oral cavity, the right active movement block is driven by the right front and back movement driving module to move forward and backward, realizing the forward and backward movement of the right inner wall of the oral cavity, and since the forward and backward movement of the left inner wall of the oral cavity and the forward and backward movement of the right inner wall of the oral cavity are relatively independent, the movement can be controlled independently, thereby improving the richness of oral movement, in addition, the left active movement block and the right active movement block are driven by the inner and outer linkage movement driving module to move synchronously inward or outward, realizing the action of the left and right inner walls of the oral cavity being pressed inward or bulging outward, further improving the richness of oral movement, and further improving the richness of facial expression.

[0017] The above description is only a summary of the technical solutions of the present application, in order to more clearly understand the technical means of the present application, it can be implemented according to the content of the specification, and in order to make the above and other purpose characteristics and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail as follows. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings described in the following are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0019] Figure 1 An assembly view of the oral movement assembly provided by the embodiment of the present application;

[0020] Figure 2 A partial structure schematic view of the oral movement assembly provided by the embodiment of the present application Figure 1 ;

[0021] Figure 3 A structure schematic view of the left driving movement block and the left driven movement block in the oral movement assembly provided by the embodiment of the present application in a separated state;

[0022] Figure 4 A partial structure schematic view of the oral movement assembly provided by the embodiment of the present application Figure 2 .

[0023] Reference signs

[0024] 3, oral movement assembly; 31, upper jaw plate; 311, left fixed support arm; 312, right fixed support arm; 32, left driven movement block; 321, left outer skin cheek connecting part; 322, left positioning column; 323, left arc-shaped sliding groove; 33, left driving movement block; 331, left L-shaped front and back moving plate; 332, left connecting ear part; 3321, left connecting ear hole; 34, right driven movement block; 341, right outer skin cheek connecting part; 35, right driving movement block; 36, left front and back movement driving module; 361, left front and back movement swing arm; 362, left front and back movement driving motor; 37, right front and back movement driving module; 371, right front and back movement swing arm; 372, right front and back movement driving motor; 38, inner and outer linkage movement driving module; 381, inner and outer movement driving motor; 382, left front and back movement driving motor first connecting rod; 383, left front and back movement driving motor second connecting rod; 384, right front and back movement driving motor first connecting rod; 385, right front and back movement driving motor second connecting rod; 386, first linkage rod; 387, second linkage rod. DETAILED DESCRIPTION

[0025] The technical solutions of the present application will be described clearly and completely in the following by combining the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0026] It should be understood that the terms "comprises" and "comprising," when used in this specification and claims, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0027] It should also be understood that the terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used in this specification and the appended claims, the singular forms "a," "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

[0028] It should further be understood that the term "and / or" as used in the specification and in the claims, refers to any combination of one or more of the associated listed items, as well as all possible combinations of the items.

[0029] As shown in Figure 1 The embodiment of the present application provides an oral cavity movement assembly 3, which comprises a palate plate 31, a left driving movement block 33, a left driven movement block 32, a left front-back movement driving module 36, a right driving movement block 35, a right driven movement block 34, a right front-back movement driving module 37 and an inner-outer linkage movement driving module 38, the left driven movement block 32 is fixedly connected with the left driving movement block 33, the left front-back movement driving module 36 is in transmission connection with the left driving movement block 33, when the left front-back movement driving module 36 works, the left driving movement block 33 is driven to move forward and backward, the right driven movement block 34 is fixedly connected with the right driving movement block 35, the right front-back movement driving module 37 is in transmission connection with the right driving movement block 35, when the right front-back movement driving module 37 works, the right driving movement block 35 is driven to move forward and backward, the inner-outer linkage movement driving module 38 is in transmission connection with the left front-back movement driving module 36 and the right front-back movement driving module 37, when the inner-outer linkage movement driving module 38 works, the left driving movement block 33 and the right driving movement block 35 are synchronously driven to move inward or outward.

[0030] The left front-back movement driving module 36 drives the left active movement block 33 to move forward and backward, realizing the forward and backward movement of the left inner wall of the oral cavity, the right front-back movement driving module 37 drives the right active movement block 35 to move forward and backward, realizing the forward and backward movement of the right inner wall of the oral cavity, and the forward and backward movement of the left inner wall of the oral cavity and the forward and backward movement of the right inner wall of the oral cavity are relatively independent, can be independently controlled, and the richness of the oral movement is improved. In addition, the left active movement block 33 and the right active movement block 35 are driven by the inner-outer linkage movement driving module 38 to move synchronously inward or outward, realizing the action of the left and right inner walls of the oral cavity being pressed inward or bulging outward, further improving the richness of the oral movement, and further improving the richness of the facial expression.

[0031] As shown in Figures 1-3 The left front-back movement driving module 36 includes a left front-back movement swing arm 361 and a left front-back movement driving motor 362, one end of the left front-back movement swing arm 361 is connected with the output shaft of the left front-back movement driving motor 362, the other end of the left front-back movement swing arm 361 is hingedly connected with the rear side of the left active movement block 33, the upper side of the left active movement block 33 is movably connected with the upper jaw plate 31, and the front side of the left active movement block 33 is fixedly connected with the left driven movement block 32. When the output shaft of the left front-back movement driving motor 362 rotates, the left front-back movement swing arm 361 is driven to rotate, thereby driving the left active movement block 33 to move forward or backward, and the left driven movement block 32 also moves forward or backward following the left active movement block 33. The cooperation of the left front-back movement swing arm 361 and the left front-back movement driving motor 362 realizes the forward and backward movement of the left active movement block 33, the structure is simple, and the structure is compact.

[0032] As shown in Figures 1-3 The right front-back movement driving module 37 includes a right front-back movement swing arm 371 and a right front-back movement driving motor 372, one end of the right front-back movement swing arm 371 is connected with the output shaft of the right front-back movement driving motor 372, the other end of the right front-back movement swing arm 371 is hingedly connected with the rear side of the right active movement block 35, the upper side of the right active movement block 35 is movably connected with the upper jaw plate 31, and the front side of the right active movement block 35 is fixedly connected with the right driven movement block 34. When the output shaft of the right front-back movement driving motor 372 rotates, the right front-back movement swing arm 371 is driven to rotate, thereby driving the right active movement block 35 to move forward or backward, and the right driven movement block 34 also moves forward or backward following the right active movement block 35. The cooperation of the right front-back movement swing arm 371 and the right front-back movement driving motor 372 realizes the forward and backward movement of the right active movement block 35, the structure is simple, and the structure is compact.

[0033] As Figure 3 shown, the upper side of the left main moving block 33 is provided with a left L-shaped front-back moving plate 331, and the upper jaw plate 31 is provided with a left front-back moving guide notch, and the left L-shaped front-back moving plate 331 is arranged in the left front-back moving guide notch. When the left front-back moving swing arm 361 drives the left main moving block 33 to move, the left L-shaped front-back moving plate 331 moves along the arrangement direction of the left front-back moving guide notch, so that the left front-back moving guide notch has the effect of moving and guiding the left main moving block 33, and the left L-shaped front-back moving plate 331 is at least partially hung on the edge of one side of the left front-back moving guide notch, so that the edge of the left front-back moving guide notch provides a certain supporting force for the left main moving block 33.

[0034] The upper side of the right main moving block 35 is provided with a right L-shaped front-back moving plate, the upper jaw plate 31 is provided with a right front-back moving guide notch, and the right L-shaped front-back moving plate is arranged in the right front-back moving guide notch. When the right front-back moving swing arm 371 drives the right main moving block 35 to move, the right L-shaped front-back moving plate moves along the arrangement direction of the right front-back moving guide notch, so that the right front-back moving guide notch has the effect of moving and guiding the right main moving block 35, and the right L-shaped front-back moving plate is at least partially hung on the edge of one side of the right front-back moving guide notch, so that the edge of the left front-back moving guide notch provides a certain supporting force for the left main moving block 33.

[0035] As Figure 3 shown, the bottom of the front side of the left main moving block 33 is provided with a left connecting ear 332, the left connecting ear 332 is provided with a left connecting ear hole 3321, the inner side of the left driven moving block 32 is provided with a left positioning column 322, and the left connecting ear hole 3321 is fixedly sleeved on the left positioning column 322. The bottom of the front side of the right main moving block 35 is provided with a right connecting ear, the right connecting ear is provided with a right connecting ear hole, the inner side of the right driven moving block 34 is provided with a right positioning column, and the right connecting ear hole is movably sleeved on the right positioning column.

[0036] As Figure 3As shown, a left arcuate slot 323 is provided on the inner side of the left follower motion block 32. A left fixed arm 311 extends downward from the bottom surface of the upper jaw plate 31. The lower end of the left fixed arm 311 is provided with a left arm hook portion that engages with the left arcuate slot 323. The left arm hook portion cooperates with the left arcuate slot 323 to guide the forward and backward movement of the left follower motion block 32. The left fixed arm 311 not only guides the movement of the left follower motion block 32 but also provides support for the left follower motion block 32. It should be noted that since the left driven motion block 32 needs to follow the left active motion block 33 to move inward or outward, and the left fixed arm 311 is located on the inner side of the left driven motion block 32, in order to avoid the left fixed arm 311 interfering with the left driven motion block 32 when it moves inward, the depth of the left arc-shaped slide groove 323 needs to be greater than the height of the hook-shaped portion of the left arm. This design allows the left driven motion block 32 to have a certain position space relative to the left fixed arm 311 in the inward and outward directions to meet the requirements of inward and outward movement.

[0037] A right curved chute is located inside the right follower motion block 34. A right fixed arm 312 extends downward from the bottom surface of the upper jaw plate 31. The lower end of the right fixed arm 312 is provided with a right arm hook that engages the right curved chute. The right arm hook cooperates with the right curved chute to guide the forward and backward movement of the right follower motion block 34. The right fixed arm 312 not only guides the movement of the right follower motion block 34 but also provides support for it. It should be noted that since the right driven motion block 34 needs to follow the right active motion block 35 to move inward or outward, and the right fixed arm 312 is located on the inner side of the right driven motion block 34, in order to avoid the right fixed arm 312 interfering with the inward movement of the right driven motion block 34, the depth of the right arc-shaped slide groove needs to be greater than the height of the left arm hook portion. This design allows the right driven motion block 34 to have a certain position space in the inward and outward directions relative to the right fixed arm 312 to meet the requirements of inward and outward movement.

[0038] like Figure 3 As shown, the left slave motion block 32 is provided with a left outer cheek connection portion 321 on its outer side, and the right slave motion block 34 is provided with a right outer cheek connection portion 341 on its outer side. The left and right outer cheek connections 321 and 341 are fixedly connected to the inner side of the bionic robot mask. This allows the left and right slave motion blocks 32 and 34 to move forward and backward or in and out, thereby driving the inner wall of the oral cavity (when viewed from the outside of the bionic robot mask, this drives the cheek area of ​​the mask).

[0039] like Figures 1-2 、 Figure 4As shown, the inner-outer linkage movement driving module 38 comprises a left front-rear movement driving motor first connecting rod 382, a left front-rear movement driving motor second connecting rod 383, a right front-rear movement driving motor first connecting rod 384, a right front-rear movement driving motor second connecting rod 385, a first linkage rod 386, a second linkage rod 387, and an inner-outer movement driving motor 381. One end of the left front-rear movement driving motor first connecting rod 382 and one end of the left front-rear movement driving motor second connecting rod 383 are hingedly connected to the same side of the left front-rear movement driving motor 362. One end of the right front-rear movement driving motor first connecting rod 384 and one end of the right front-rear movement driving motor second connecting rod 385 are hingedly connected to the same side of the right front-rear movement driving motor 372. The other end of the left front-rear movement driving motor first connecting rod is hingedly connected to one end of the first linkage rod 386. The other end of the first linkage rod 386 is hingedly connected to the other end of the right front-rear movement driving motor second connecting rod 385. The other end of the left front-rear movement driving motor second connecting rod 383 is hingedly connected to one end of the second linkage rod 387. The other end of the second linkage rod 387 is hingedly connected to the other end of the right front-rear movement driving motor first connecting rod 384. The output shaft of the inner-outer movement driving motor 381 is connected to the middle portions of the first linkage rod 386 and the second linkage rod 387. When the inner-outer movement driving motor 381 works, it drives the left front-rear movement driving motor 362 and the right front-rear movement driving motor 372 to move synchronously inward or outward, so as to drive the left main driving block 33 and the right main driving block 35 to move synchronously inward or outward.

[0040] Through cooperation of the left front-rear movement driving motor first connecting rod 382, the left front-rear movement driving motor second connecting rod 383, the right front-rear movement driving motor first connecting rod 384, the right front-rear movement driving motor second connecting rod 385, the first linkage rod 386, the second linkage rod 387, and the inner-outer movement driving motor 381, the left front-rear movement driving motor 362 and the right front-rear movement driving motor 372 are driven to move synchronously inward or outward. The left front-rear movement driving motor 362 drives the left main driving block 33 to move inward or outward, and the right front-rear movement driving motor 372 drives the right main driving block 35 to move inward or outward. The structure is ingenious and compact, and occupies small space.

[0041] In the embodiment, the left front-rear movement driving motor 362 and the right front-rear movement driving motor 372 are movably installed on the upper surface of the upper jaw plate 31. In order to facilitate movement of the left front-rear movement driving motor 362 and the right front-rear movement driving motor 372 in the inner-outer direction, the upper surface of the upper jaw plate 31 is provided with a guide frame, and the left front-rear movement driving motor 362 and the right front-rear movement driving motor 372 are movably installed in the guide frame.

[0042] The above merely describes a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present application, and these modifications or replacements should be encompassed in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. Oral motor assembly, characterized in that, It includes an upper jaw plate, a left active motion block, a left driven motion block, a left front-and-rear motion drive module, a right active motion block, a right driven motion block, a right front-and-rear motion drive module and an inner-and-outer linkage motion drive module, the left driven motion block is fixedly connected to the left active motion block, the left front-and-back motion drive module is transmission-connected to the left active motion block, when the left front-and-back motion drive module is working, it drives the left active motion block to move back and forth, the right driven motion block is fixedly connected to the right active motion block, the right front-and-back motion drive module is transmission-connected to the right active motion block, when the right front-and-back motion drive module is working, it drives the right active motion block to move back and forth, the inner-and-outer linkage motion drive module is transmission-connected to the left front-and-back motion drive module and the right front-and-back motion drive module, when the inner-and-outer linkage motion drive module is working, it drives the left active motion block and the right active motion block to move synchronously inward or outward; The left front-to-back motion drive module includes a left front-to-back motion swing arm and a left front-to-back motion drive motor, one end of the left front-to-back motion swing arm is connected to the left front-to-back motion drive motor, the other end of the left front-to-back motion swing arm is hinged to the rear side of the left active motion block, the upper side of the left active motion block is movably connected to the upper jaw plate, and the front side of the left active motion block is fixedly connected to the left driven motion block; A left L-shaped forward and backward moving plate is provided on the upper side of the left active motion block, and a left forward and backward moving guide notch is provided on the upper jaw plate, and the left L-shaped forward and backward moving plate is placed in the left forward and backward moving guide notch; A left arc-shaped chute is provided on the inner side of the left driven motion block, a left fixed arm is provided on the bottom surface of the upper jaw plate extending downward, a left arm hook is provided at the lower end of the left fixed arm and is clamped in the left arc-shaped chute, and a left outer skin cheek connecting portion is provided on the outer side of the left driven motion block; The right front-to-back motion drive module includes a right front-to-back motion swing arm and a right front-to-back motion drive motor, one end of the right front-to-back motion swing arm is connected to the right front-to-back motion drive motor, the other end of the right front-to-back motion swing arm is hinged to the rear side of the right active motion block, the upper side of the right active motion block is movably connected to the upper jaw plate, and the front side of the right active motion block is fixedly connected to the right driven motion block; The internal and external linkage motion drive module includes a first connecting rod of a left front and rear motion drive motor, a second connecting rod of a left front and rear motion drive motor, a first connecting rod of a right front and rear motion drive motor, a second connecting rod of a right front and rear motion drive motor, a first linkage rod, a second linkage rod and an internal and external movement drive motor, one end of the first connecting rod of the left front and rear motion drive motor and one end of the second connecting rod of the left front and rear motion drive motor are hinged to the same side of the left front and rear motion drive motor, one end of the first connecting rod of the right front and rear motion drive motor and one end of the second connecting rod of the right front and rear motion drive motor are hinged to the same side of the right front and rear motion drive motor, and the other end of the first connecting rod of the left front and rear motion drive motor is hinged to the first connecting rod of the left front and rear motion drive motor One end of a linkage rod is hinged, the other end of the first linkage rod is hinged to the other end of the second linkage rod of the right front-and-rear motion drive motor, the other end of the second linkage rod of the left front-and-rear motion drive motor is hinged to one end of the second linkage rod, and the other end of the second linkage rod is hinged to the other end of the first linkage rod of the right front-and-rear motion drive motor. The output shaft of the in-and-out movement drive motor is connected to the middle part of the first linkage rod and the second linkage rod. When the in-and-out movement drive motor is working, it drives the left front-and-rear motion drive motor and the right front-and-rear motion drive motor to move inward or outward synchronously, so that the left active motion block and the right active motion block move inward or outward synchronously.

2. The oral motor assembly according to claim 1, wherein: A left connecting ear is provided at the bottom of the front side of the left active motion block, and a left connecting ear hole is opened in the left connecting ear. A left positioning column is provided on the inner side of the left driven motion block, and the left connecting ear hole is fixedly sleeved on the left positioning column.

3. The oral motor assembly according to claim 1, wherein: A right L-shaped forward and backward moving plate is provided on the upper side of the right active motion block, and a right forward and backward moving guide notch is provided on the upper jaw plate, and the right L-shaped forward and backward moving plate is placed in the right forward and backward moving guide notch.

4. The oral motor assembly according to claim 1, wherein: A right connecting ear portion is provided at the bottom of the front side of the right active motion block, and a right connecting ear hole is opened in the right connecting ear portion. A right positioning column is provided on the inner side of the right driven motion block, and the right connecting ear hole is fixedly sleeved on the right positioning column.

5. The oral motor assembly according to claim 1, wherein: A right arc-shaped slide groove is provided on the inner side of the right driven motion block, a right fixed arm is extended downward from the bottom surface of the upper jaw plate, a right arm hook portion is provided at the lower end of the right fixed arm and is clamped in the right arc-shaped slide groove, and a right outer skin cheek connecting portion is provided on the outer side of the right driven motion block.

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