Mouth and ear linkage mechanism of bionic animal doll

Abstract

The utility model relates to the technical field of bionic animal dolls, and provides a mouth and ear linkage mechanism of a bionic animal doll, which comprises a shell, an ear moving part, a mouth moving part and a driving mechanism, and is characterized in that the shell is fixedly arranged; the driving mechanism comprises a first cam mechanism, the first cam mechanism comprises a first cam, a first driven piece and a first rack, and the first rack is fixedly arranged on the shell; the first driven piece drives the ear moving piece to move; the second cam mechanism comprises a second cam, a second driven piece and a second rack, and the second rack is fixedly arranged on the shell; the second driven piece drives the mouth moving piece to move; the power assembly drives the first cam and the second cam to rotate coaxially, the structure is ingenious, the cost is low, and the bionic movement of the ears and the mouth of the bionic animal doll can be achieved only through a mechanical structure.

Description

Technical Field

[0001] This utility model relates to the field of bionic animal doll technology, and more specifically, to a mouth and ear linkage mechanism for a bionic animal doll. Background Technology

[0002] With social development and rising consumer aesthetic standards, the demand for bionic animal dolls is increasing. Currently, bionic animal dolls are mainly divided into soft-filled dolls, hard-filled dolls, flat dolls, and other dolls. The first two types of dolls are favored by the mainstream market due to their three-dimensional shapes and bionic effects. However, most dolls are basically fixed in shape due to cost requirements, especially soft-filled dolls. As the price increases, most dolls will have bionic walking limbs, but the head still does not have bionic movement. Only high-end dolls have bionic head movement, but this comes with a high price. At the same time, the bionic head movement of these dolls is mostly achieved through precise electronic control, resulting in a relatively complex structure. Utility Model Content

[0003] The purpose of this invention is to provide a mouth and ear linkage mechanism for a bionic animal doll. The mechanism is ingenious and inexpensive, and can realize the bionic movement of the doll's ears and mouth using only a mechanical structure.

[0004] The embodiments of this utility model are achieved through the following technical solution: a mouth and ear linkage mechanism for a bionic animal doll, comprising: a shell, an ear movement component, a mouth movement component, and a drive mechanism, wherein the shell is fixedly mounted; the drive mechanism comprises: a first cam mechanism, which includes a first cam, a first follower, and a first frame, wherein the first frame is fixedly mounted on the shell; the first follower drives the ear movement component to move; a second cam mechanism, which includes a second cam, a second follower, and a second frame, wherein the second frame is fixedly mounted on the shell; the second follower drives the mouth movement component to move; and a power component drives the first cam and the second cam to rotate coaxially.

[0005] Furthermore, the first follower drives the ear movement component to swing, and the ear movement component is rotated and fixed to the housing; the second follower drives the mouth movement component to swing, and the mouth movement component is rotated and fixed to the housing.

[0006] Furthermore, a first magnetic adsorption component and a second magnetic adsorption component are provided; the first follower abuts against the outer contour of the first cam through the first magnetic adsorption component, and the second follower abuts against the outer contour of the second cam through the second magnetic adsorption component.

[0007] Furthermore, the first cam has a first groove, and the second cam has a second groove; the first follower has a first slider and a first clearance hole, the length of the first clearance hole is greater than the lift of the first cam, and the rotation shaft of the first cam is disposed in the first clearance hole; the second follower has a second slider and a second clearance hole, the length of the second clearance hole is greater than the lift of the second cam, and the rotation shaft of the second cam is disposed in the second clearance hole; the first slider is slidably disposed in the first groove, and the second slider is slidably disposed in the second groove.

[0008] Furthermore, when projected along the rotation axis of the first cam, the lift angle and return angle of the first cam are set to avoid the lift angle and return angle of the second cam.

[0009] Furthermore, the first driven member is connected to the ear moving member by a linkage mechanism, gear set, rope and magnetic attraction assembly; the second driven member is connected to the mouth moving member by a linkage mechanism, gear set, rope or magnetic attraction assembly.

[0010] Furthermore, the ear movement component includes an ear connecting rod, a sleeve, and a movement connecting rod that are fixedly connected in sequence. The sleeve is fitted with a first fixed shaft and is rotatable around the first fixed shaft. The first fixed shaft is fixedly mounted on the housing. One end of the movement connecting rod is hinged to a movable rod, and one end of the movable rod is hinged to a first driven member. Under the drive of the first driven member, the ear movement component swings around the first fixed shaft.

[0011] Furthermore, the mouth moving component includes a mouth, a first rotating shaft, and a fixed sleeve. The mouth is positioned and connected to the first rotating shaft. The first rotating shaft rotates around its own axis, and the fixed sleeve is fitted onto the first rotating shaft. The outside of the fixed sleeve is fixed to the housing. One end of the first rotating shaft is provided with a first gear, and the end of the second driven component is provided with a spur rack, which meshes with the first gear.

[0012] Furthermore, the first cam mechanism is a closed cam mechanism and the first cam is provided with a third slide groove, and one end of the first follower always remains in contact with the third slide groove;

[0013] The second cam mechanism is a closed cam mechanism and the second cam is provided with a fourth slide groove. One end of the second follower always keeps in contact with the fourth slide groove.

[0014] The first cam and the second cam are the same cam, and the third slide and the fourth slide are located on the same side.

[0015] Furthermore, the third and fourth slides are the same slide and are provided with a near-repose angle and a far-repose angle; the motion angle between the first follower and the second follower is greater than the lift angle of the first cam mechanism; the motion angle between the first follower and the second follower is less than the minimum near-repose angle.

[0016] This utility model has at least the following advantages and beneficial effects:

[0017] 1. By using a cam mechanism, the motion of the power drive mechanism is converted into the motion of the ears and mouth, reducing the number of precision electronics and increasing the lifespan of the toy.

[0018] 2. By changing the lift and return stroke of the cam mechanism, the coordination of the mouth and ear bionic movements can be adjusted, thereby achieving the realism of animal simulation, such as simulating the movement of a cat's ears after its mouth opens and closes.

[0019] 3. The structure of this application is simple. The purely mechanical structure can minimize the space occupied, thus allowing it to be used with bionic animal dolls of various sizes. Other control structures can also be added to this structure to realize the bionic movement of animal faces. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 A schematic diagram of the axial side structure of the mouth and ear linkage mechanism of a bionic animal doll provided in Embodiment 1;

[0022] Figure 2 A side view of the mouth and ear linkage mechanism of a bionic animal doll provided in Embodiment 1;

[0023] Figure 3 An exploded view of the mouth and ear linkage mechanism of a bionic animal doll provided in Embodiment 1;

[0024] Figure 4 This is a schematic diagram of the structure of the first cam in the mouth and ear linkage mechanism of a bionic animal doll provided in Embodiment 1;

[0025] Figure 5 This is a schematic diagram of the structure of the second cam in the mouth and ear linkage mechanism of a bionic animal doll provided in Embodiment 1;

[0026] Figure 6 This is a schematic diagram of the structure of the first magnetic adsorption component in the mouth and ear linkage mechanism of a bionic animal doll provided in Embodiment 2;

[0027] Figure 7 This is a first exploded structural diagram of the third slide, the first cam, and the first follower in the mouth and ear linkage mechanism of a bionic animal doll provided in Embodiment 4;

[0028] Figure 8This is a second exploded structural diagram of the third slide, the first cam, and the first follower in the mouth and ear linkage mechanism of a bionic animal doll provided in Embodiment 4;

[0029] Figure 9 This is a schematic diagram of the motion principle of the third slide in the mouth and ear linkage mechanism of a bionic animal doll provided in Embodiment 4;

[0030] Figure 10 This is a schematic diagram illustrating the motion principle of the third slide in the mouth and ear linkage mechanism of a bionic animal doll provided in Embodiment 5. Figure 1 ;

[0031] Figure 11 This is a schematic diagram illustrating the motion principle of the third slide in the mouth and ear linkage mechanism of a bionic animal doll provided in Embodiment 5. Figure 2 ;

[0032] Figure 12 This is a schematic diagram illustrating the motion principle of the third slide in the mouth and ear linkage mechanism of a bionic animal doll provided in Embodiment 5. Figure 3 .

[0033] Icons: 10-House, 20-Ear moving part, 30-Mouth moving part, 40-Drive mechanism, 21-Ear connecting rod, 22-Sleeve, 23-Motion connecting rod, 24-Moving rod, 25-First fixed shaft, 31-Mouth, 32-First rotating shaft, 33-First gear, 34-Fixed sleeve, 41-First cam, 43-Second cam, 42-First follower, 44-Second follower, 45-First slider, 46-First clearance hole, 47-Second slider, 48-Second clearance hole, 49-Rack and pinion, 50-First frame, 51-Second frame, 52-First slide, 53-Second slide, 54-Power assembly, 60-Adhesive metal layer, 70-Magnetic roller, 81-Third slide, 82-Fourth slide, 83-Third slider, 84-Fourth slider. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0035] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention. Example

[0036] like Figure 1 As shown in Figure 2, this embodiment mainly discloses a mouth-ear linkage mechanism for a bionic animal doll, which is set on the head of the bionic animal doll and mainly includes: a shell 10, an ear moving component 20, a mouth moving component 30, and a drive mechanism 40; wherein the shell 10 is fixedly set, generally using the animal's head frame as the shell 10, or setting the shell 10 separately and then fixing the shell 10 to the animal's head frame; the ear moving component 20 and the mouth moving component 30 are simultaneously driven by the drive mechanism 40 to realize the linkage between the ear and the mouth 31, and complete the bionic movement of the doll.

[0037] Specifically, the drive mechanism 40 includes a first cam mechanism and a second cam mechanism; wherein the first cam mechanism includes a first cam 41, a first follower 42, and a first frame 50, the first frame 50 being fixedly mounted on the housing 10 by bolts; the second cam mechanism includes a second cam 43, a second follower 44, and a second frame 51, the second frame 51 being fixedly mounted on the housing 10; it should be noted that, firstly, there are no restrictions on the fixing method of the frame, bolts, interference fits, and snap-fits can be used; secondly, the first cam mechanism and the second cam mechanism can be flexibly arranged according to the size of the doll and the requirements of other biomimetic motion structures, for example, their... The power assembly 54 can be installed inside or outside the head frame of the bionic animal doll. It can then drive the first cam 41 and the second cam 43 to rotate coaxially using the power assembly 54. Of course, the power assembly 54 can be installed inside or outside the head frame, depending on the type of the power assembly 54. For example, in this embodiment, the power assembly 54 is implemented by the cooperation of a motor and a gear set, so the motor and gear set are suitable to be placed inside the head frame. If the power assembly 54 is a manual joystick, then the power assembly 54 is suitable to be placed outside the head frame. Generally speaking, the above components are made of plastic.

[0038] It should also be emphasized that the structure of the first and second cam mechanisms is not limited. Classified by cam shape, they can be traditional planar cams or spatial cams; in this embodiment, a spatial cam is used. Classified by higher pair contact, they can be shape-closed cams or force-closed cam mechanisms; in this embodiment, a shape-closed cam is used. Specifically, as shown... Figure 4 As shown, the first cam 41 has a disc structure and an internal first groove 52, as... Figure 5 As shown, the second cam 43 has a disc structure and an internal second groove 53; as Figure 3 As shown, the first follower 42 is a straight rod structure and is provided with a first slider 45 and a first clearance hole 46. The length of the first clearance hole 46 is greater than the lift of the first cam 41. The rotation axis of the first cam 41 is located within the first clearance hole 46. This arrangement ensures that the first follower 42 and the first cam 41 will not interfere when the first cam 41 rotates. The second follower 44 is also a straight rod structure and is provided with a second slider 47 and a second clearance hole 48. The length of the second clearance hole 48 is greater than the lift of the second cam 43. The rotation axis of the second cam 43 is located within the second clearance hole 48. This arrangement ensures that the second follower 44 and the second cam 43 will not interfere when the second cam 43 rotates. Furthermore, as... Figure 3 As shown, the first cam 41 and the second cam 43 are arranged back to back, so that the first slide groove 52 and the second slide groove 53 are arranged on two opposite surfaces of a disk; the first slider 45 is slidably arranged in the first slide groove 52, and the second slider 47 is slidably arranged in the second slide groove 53.

[0039] Furthermore, such as Figure 3 As shown in Figures 4 and 5, the first slide groove 52 is an annular groove, and the second slide groove 53 is an annular groove. To ensure the biomimetic movements of the mouth 31 and ears, the lift and return strokes of the first cam 41 are set to avoid those of the second cam 43. Specifically, the lift of the second cam 43 is 0°-90°, and the return stroke is 120°-210°; the lift of the first cam 41 is 215°-260°, and the return stroke is 285°-330°. This configuration simulates the behavior of a biomimetic animal doll that moves its ears only after its mouth has opened and closed.

[0040] Specifically, such as Figure 3As shown, the first follower 42 drives the ear movement component 20 to move; the second follower 44 drives the mouth movement component 30 to move; preferably, the movement of the ear movement component 20 is a swinging motion to simulate the action of shaking the ear. According to bionic requirements, other movements can be set. In this embodiment, the swinging motion will be used for explanation; similarly, the movement of the mouth movement component 30 is also a swinging motion to simulate the opening and closing motion of the mouth. Specifically, the first follower 42, using a straight rod, achieves linear reciprocating motion under the rotational motion of the first cam 41 and the limiting position of the first frame 50. The second follower 44, also using a straight rod, works similarly. The connection method for the first follower 42 to drive the ear movement is a linkage mechanism. Specifically, the ear movement component 20 includes an ear connecting rod 21, a sleeve 22, and a movement connecting rod 23, which are fixedly connected in sequence. The sleeve 22 is fitted with a first fixed shaft 25 and rotates around it. The first fixed shaft 25 is fixedly mounted on the housing 10. One end of the movement connecting rod 23 is hinged to a movable rod 24, and one end of the movable rod 24 is hinged to the first follower 42. Under the drive of the first follower 42, the ear movement component 20 swings around the first fixed shaft 25. Preferably, the movement connecting rod 23 is an L-shaped rod, thereby expanding the swing angle of the ear movement component 20. Through the arrangement of the movable rod 24 and the movement connecting rod 23, the reciprocating linear motion of the first follower 42 is converted into the swing of the ear movement component 20.

[0041] The mouth movement component 30 includes a mouth 31, a first rotating shaft 32, and a fixed sleeve 34. The mouth 31 is positioned and connected to the first rotating shaft 32. The first rotating shaft 32 rotates around its own axis and is located inside the fixed sleeve 34. The fixed sleeve 34 is externally fixed to the housing 10. One end of the first rotating shaft 32 is provided with a first gear 33, and the end of the second driven component 44 is provided with a spur rack 49, which meshes with the first gear 33. Through the meshing of the spur rack 49 and the first gear 33, the reciprocating linear motion of the second driven component 44 is converted into the reciprocating rotational motion of the first gear 33, thereby realizing the oscillation of the mouth 31. That is, the angle of the reciprocating rotational motion of the first gear 33 is the oscillation angle of the mouth 31. The diameter of the first gear 33 can be set accordingly. In addition, since both are oscillations, the connection method of the linkage mechanism between the first driven component 42 and the ear movement component 20 and the connection method of the gear set between the second driven component 44 and the mouth 31 can be interchanged.

[0042] Overall, preferably, in this application, a motor is used as the drive mechanism 40. The connection between the first follower 42 and the ear moving part 20 is a linkage mechanism, and the connection between the second follower 44 and the mouth moving part 30 is a gear set. The first cam 41 is a closed cam with a first groove 52, and the second cam 43 is a closed cam with a second groove 53, and both meet the requirements for lift and return. The biomimetic motion simulation process achieved by the above components is as follows: the drive mechanism 40 drives the first cam 41 and the second cam 43 to rotate coaxially, at which time the first slider 45 is in... The second slider 47 slides within the first groove 52, and the second slider 47 slides within the second groove 53. From 0° to 90°, the second cam 43 drives the second slider 47 to move outward. Under the limit of the second frame 51, the second follower 44 moves outward linearly, and the rack 49 pushes the first gear 33 to rotate. The first gear 33 drives the mouth 31 to swing downward (achieved by the rack 49 meshing above the first gear 33). From 120° to 210°, the second cam 43 drives the second slider 47 to move inward. Under the limit of the second frame 51, the second follower 44 moves inward linearly. The rack 49 drives the first gear 33 to rotate, and the first gear 33 causes the mouth 31 to swing upward; the entire 0°-210° range completes the simulation of the mouth 31 opening and closing action, during which the ear does not move; from 215° to 260°, the first cam 41 drives the first slider 45 to move outward, and under the limit of the first frame 50, the first follower 42 moves outward in a straight line, the first follower 42 drives the movable rod 24 to swing, the movable rod 24 drives the moving connecting rod 23 to swing, and the moving connecting rod 23 drives the ear connecting rod 21 to swing to one side; from 285° to 330°, the first cam 41 The first slider 45 moves inward, and under the limit of the first frame 50, the first follower 42 moves inward linearly. The first follower 42 drives the movable rod 24 to swing, the movable rod 24 drives the moving link 23 to swing, and the moving link 23 drives the ear link 21 to swing to the other side, thus realizing the swinging of the ear. In a circular rotation, the biomimetic simulation of the moving ear after the mouth opens and closes is completed. According to the biomimetic requirements, multiple mouth opening movements or ear movements can be set in a circle. In addition, the motor rotates in the opposite direction, which can realize the ear movement first and then the mouth opening and closing action.

[0043] Finally, it should be noted that regardless of whether the aforementioned mechanism is located inside or outside the head frame, a protective shell should be provided to isolate the filler and moving parts from direct contact, ensuring reliability. Additionally, as... Figure 1 As shown, in this embodiment, only the simulation of one ear is disclosed. For the other ear, only a set of structures needs to be set symmetrically. Example

[0044] like Figure 6As shown, this embodiment mainly discloses a mouth and ear linkage mechanism for a bionic animal doll. Its main structure is completely consistent with that of Embodiment 1. The difference is that this embodiment adopts a force-closed cam mechanism, that is, the contact mode of the first follower 42 and the first cam 41 is planar contact, and they remain in contact under the action of external force; the contact mode of the second follower 44 and the second cam 43 is planar contact, and they remain in contact under the action of external force; specifically, a first magnetic adsorption component and a second magnetic adsorption component are also provided, both of which are used as the aforementioned external force. In other embodiments, the external force can also be implemented by a spring; in this embodiment, the outer contour of the first follower 42 and the first cam 41 abuts through the first magnetic adsorption component, and the outer contour of the second follower 44 and the second cam 43 abuts through the second magnetic adsorption component. This achieves the effectiveness of reciprocating motion. For the first and second magnetic adsorption components, magnets and adsorbable metals can be used for adsorption. For example, the outer contour of the first cam 41 is provided with an adsorbable metal layer 60, and the contact end of the first follower 42 is provided with a magnetic roller 70 made of a magnet; the outer contour of the second cam 43 is provided with an adsorbable metal layer, and the contact end of the second follower 44 is provided with a magnetic roller. Example

[0045] This embodiment mainly discloses a mouth and ear linkage mechanism for a bionic animal doll. Its main structure is completely the same as that of Embodiment 1. The difference is that in this embodiment, both the ear movement component and the mouth movement component are linear reciprocating motions. Specifically, the ear movement component includes an ear model, and the mouth movement component includes a mouth model. The ear model is directly fixedly connected to the first driven component, and the mouth model is directly fixedly connected to the second driven component. Both follow the first and second driven components to perform reciprocating motions, simulating the movement of extending the mouth and ears. At this time, the drive mechanism should be set inside the head frame, and only one end of the first driven component and the ear model are set outside the head frame, while one end of the second driven component and the mouth model are set outside the head frame. Example

[0046] like Figure 7 As shown in Figure 8, this embodiment mainly discloses a mouth and ear linkage mechanism for a bionic animal doll. Its main structure is completely consistent with that of Embodiment 1. The difference is that in this embodiment, the first cam 41 and the second cam 43 in the first cam 41 mechanism and the second cam 43 mechanism, which are closed-type cam mechanisms, are the same cam. Specifically, as shown in Figure 8... Figure 7As shown in Figure 8, the housing 10 is not shown, and the first frame 50 and the second frame 51 are not shown. However, it should be noted that the first frame 50 and the second frame 51 are limited by the stop blocks, which is something that those skilled in the art should know and understand. The first cam 41 is provided with a third slide groove 81, and one end of the first follower 42 always remains in contact with the third slide groove 81; the second cam 43 is provided with a fourth slide groove 82, and one end of the second follower 44 always remains in contact with the fourth slide groove 82; furthermore, the third slide groove 81 and the fourth slide groove 82 are the same slide groove. It should be noted that in other embodiments, according to the size of the bionic toy, the third slide groove 81 and the fourth slide groove 82 can be set as two slide grooves on the same side. Figure 8 As shown in Figure 9, in this embodiment, the first follower 42 is provided with a third slider 83 that slides within the third slide groove 81, and the second follower 44 is provided with a fourth slider 84 that slides within the fourth slide groove 82. The reciprocating motion directions of the first follower 42 and the second follower 44 are not collinear, and the first follower 42 and the second follower 43 are respectively provided with clearance grooves for clearance. The first follower 42 is used to drive the ear movement component 20 to move, and the second follower 44 is used to drive the mouth movement component 30 to move. Therefore, after constructing the third slide groove 81 and the fourth slide groove 82 using the same slide groove, the third slider 83 and the fourth slider 84 will experience the same slide groove's lift and return strokes sequentially. Specifically, as shown in Figure 9... Figure 9 As shown, in this embodiment, the third slide 81 (fourth slide 82) is an involute slide, a non-closed-loop slide, with only a lift and no return stroke. The return stroke is achieved by reversing the first cam 41; as Figure 9 As shown, the same slide, namely the third slide 81 and the fourth slide 82, will have two near-repose angles, which are 0°~143° and 233°~379° respectively, and the lift is 143°~233°. At this time, the first cam 41 rotates in the forward direction, so the lift motion angle is 90°. When the first cam 41 rotates in the reverse direction, the original lift motion angle becomes the return motion angle of 90°. The motion angle between the first follower 42 and the second follower 44 is greater than 90° and less than 143°. As shown in the figure, 120° is used in this embodiment.

[0047] The entire movement process is as follows: Figure 9As shown, in the initial state, the third slider 83 is at 140°; the fourth slider 84 is at 260°. At this time, the first cam (not shown in the figure) is rotated counterclockwise, and the third slider 83 enters the lift stroke, driving the first follower (not shown in the figure) to move. The first follower (not shown in the figure) drives the ear moving component (not shown in the figure) to move. The fourth slider 84 is still moving within the near-repose angle, so the mouth moving component (not shown in the figure) does not move. Continuing to rotate the first cam (not shown in the figure) counterclockwise, the third slider 83 enters the near-repose angle, and the fourth slider 84 is still moving within the near-repose angle. At this time, neither the ear moving component (not shown in the figure) nor the mouth moving component (not shown in the figure) moves. When the first cam (not shown in the figure) is rotated clockwise, the third slider 83 enters the return stroke (which is also the lift stroke in counterclockwise rotation) from the near-repose angle, causing the first follower (not shown in the figure) to move in the opposite direction. The first follower (not shown in the figure) causes the ear moving component (not shown in the figure) to move in the opposite direction. The fourth slider 84 is still moving within the near-repose angle, so the mouth moving component (not shown in the figure) does not move. When the first cam (not shown in the figure) continues to rotate clockwise, the third slider 83 enters the near-repose angle, the ear moving component (not shown in the figure) does not move, and the fourth slider 84... Slider 84 moves from the near-rest angle to the lift angle, driving the second follower (not shown in the figure) to move. The second follower (not shown in the figure) drives the mouth movement component (not shown in the figure) to move. At this time, the first cam (not shown in the figure) rotates counterclockwise. The third slider 83 moves in the reverse direction in the near-rest angle, while the ear movement component (not shown in the figure) does not move. The fourth slider 84 moves in the reverse direction in the lift angle (also called the return angle), driving the second follower (not shown in the figure) to move in the reverse direction. The second follower (not shown in the figure) drives the mouth movement component (not shown in the figure) to move in the reverse direction. By repeatedly rotating the first cam (not shown in the figure) counterclockwise and clockwise, the movement of the ear movement component (not shown in the figure) and the mouth movement component (not shown in the figure) can be achieved. The way in which the first follower (not shown in the figure) drives the ear movement component (not shown in the figure) and the second follower (not shown in the figure) drives the mouth movement component (not shown in the figure) is the same as in Embodiment 1.

[0048] The above structure can effectively reduce the number and thickness of cams in the first and second cam mechanisms, further reducing the volume occupied by the bionic animal doll and improving space utilization efficiency. Example

[0049] In this embodiment, the main structure is the same as in Embodiment 4. The difference is that, in this embodiment, as shown... Figure 10As shown, the third slide 81 (fourth slide 82) is a closed-loop slide with both return and lift strokes, and a far-end angle and a near-end angle are provided between the return and lift strokes. Specifically, in this embodiment, when rotating counterclockwise, the lift angle is A (0°~90°), the far-end angle is B (90°~120°), the return angle is C (120°~210°), and the near-end angle is D (210°~360°). In this embodiment, the included angle between the first follower (not shown in the figure) and the second follower (not shown in the figure) is at any position between 90° and 150°.

[0050] like Figure 10 As shown, when the angle between the first driven member (not shown) and the second driven member (not shown) is 90°, the third slide 81 can be controlled to reciprocate 330° to achieve independent movement of the mouth and ear. Specifically, when the third slider 83 is at 0°, the fourth slider 84 is at 90°, the third slide 81 rotates 90° clockwise, the lift angle A becomes the return angle, the third slider 83 drives the first driven member (not shown) to move, thereby driving the ear moving member (not shown) to move. At this time, the fourth slider 84 is at a near rest angle D (210°). The third slider 83 slides smoothly within a radius of 360° (120°~360°) without driving the mouth movement component (not shown in the figure), thus enabling the independent movement of the ear movement component (not shown in the figure). When the third slider 81 continues to rotate clockwise to 150°, the fourth slider 84 enters the C region (120°~210°), driving the second driven component (not shown in the figure) to move, thereby realizing the movement of the mouth movement component (not shown in the figure). At this time, the third slider 83 slides smoothly within a near-repose angle D (210°~360°) without driving the ear movement component (not shown in the figure). This achieves independent control of the mouth and ear.

[0051] like Figure 11 As shown, when the included angle between the first follower (not shown in the figure) and the second follower (not shown in the figure) is 120°, the third slide 81 rotates 360° clockwise to drive it. In the initial state, the third slider 83 is at 0°, ready to enter the lift angle A (0°~90°); the fourth slider 84 is at 120°, ready to enter the return angle C (120°~210°); the first follower (not shown in the figure) and the second follower (not shown in the figure) move simultaneously, realizing the simultaneous movement of the mouth movement component and the ear movement component.

[0052] like Figure 12As shown, when the angle between the third slider 83 and the fourth slider 84 is 150°, that is, when the fourth slider 84 is at 0°, the third slider 83 is at 210°; at this time, when the third slide 81 rotates clockwise, the third slider 83 enters C (120°~210°) and begins to move, while the fourth slider 84 enters D (210°~360°) and slides smoothly, so that the first follower moves while the second follower remains stationary; in general, different modes of movement can be achieved by adjusting the angle between the third slider 83 and the fourth slider 84, thereby meeting the requirements of various working conditions.

[0053] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A mouth-ear linkage mechanism of a bionic animal doll, characterized in that, The application relates to a voice control device, which comprises a shell (10), an ear moving part (20), a mouth moving part (30) and a driving mechanism (40), wherein the shell (10) is fixedly arranged; the driving mechanism (40) comprises: a first cam mechanism which comprises a first cam (41), a first driven part (42) and a first rack (50), the first rack (50) is fixedly arranged on the shell (10), the first driven part (42) drives the ear moving part (20) to move; a second cam mechanism which comprises a second cam (43), a second driven part (44) and a second rack (51), the second rack (51) is fixedly arranged on the shell (10), the second driven part (44) drives the mouth moving part (30) to move; a power assembly (54) which drives the first cam (41) and the second cam (43) to rotate coaxially. The first driven part (42) drives the ear moving part (20) to swing, and the ear moving part (20) is rotationally fixed to the shell (10); the second driven part (44) drives the mouth moving part (30) to swing, and the mouth moving part (30) is rotationally fixed to the shell (10). First and second magnetic adsorption assemblies are further arranged; the outer contour of the first driven part (42) and the first cam (41) abuts against each other through the first magnetic adsorption assembly, and the outer contour of the second driven part (44) and the second cam (43) abuts against each other through the second magnetic adsorption assembly. The first cam (41) is internally provided with a first sliding groove (52), and the second cam (43) is internally provided with a second sliding groove (53). The first driven part (42) is provided with a first sliding block (45) and a first avoiding hole (46), the length of the first avoiding hole (46) is greater than the lift of the first cam (41), and the rotating shaft of the first cam (41) is arranged in the first avoiding hole (46); the second driven part (44) is provided with a second sliding block (47) and a second avoiding hole (48), the length of the second avoiding hole (48) is greater than the lift of the second cam (43), and the rotating shaft of the second cam (43) is arranged in the second avoiding hole (48); the first sliding block (45) is slidingly arranged in the first sliding groove (52), and the second sliding block (47) is slidingly arranged in the second sliding groove (53). The lift angle and return angle of the first cam (41) are arranged to avoid the lift angle and return angle of the second cam (43) in the direction of the rotating shaft of the first cam (41).

2. The mouth-ear linkage mechanism of the bionic animal doll according to claim 1, wherein, The first driven part (42) is connected with the ear moving part (20) through a connecting rod mechanism, a gear set, a rope or a magnetic adsorption assembly; and the second driven part (44) is connected with the mouth moving part (30) through a connecting rod mechanism, a gear set, a rope or a magnetic adsorption assembly.

3. The mouth-ear linkage mechanism of the bionic animal doll according to claim 2, wherein, ​ 4. The mouth-ear linkage mechanism of the bionic animal doll according to claim 2, wherein, ​ ​ ​ 5. The mouth-ear linkage mechanism of the biomimetic animal doll according to claim 3 or 4, characterized by: ​ 6. The mouth-to-ear linkage of the biomimetic animal doll according to claim 5, wherein: ​ 7. The mouth-to-ear linkage of the biomimetic animal doll according to claim 6, wherein: The ear moving part comprises an ear connecting rod (21), a sleeve (22) and a moving connecting rod (23) fixedly connected in sequence, the sleeve (22) is sleeved with a first fixed shaft (25) and is rotatably arranged around the first fixed shaft (25); the first fixed shaft (25) is fixedly arranged on the shell (10); one end of the moving connecting rod (23) is hingedly connected with a movable rod (24), one end of the movable rod (24) is hingedly connected with the first driven part (42), and the ear moving part swings around the first fixed shaft (25) under the driving of the first driven part (42).

8. The mouth-to-ear linkage of the bionic animal doll according to claim 6, wherein, The mouth moving part (30) comprises a mouth (31), a first rotating shaft (32) and a fixed sleeve (34), the mouth (31) is fixedly connected with the first rotating shaft (32), the first rotating shaft (32) rotates around its own axis, and the fixed sleeve (34) is sleeved on the first rotating shaft (32), the outer part of the fixed sleeve (34) is fixed on the shell (10), one end of the first rotating shaft (32) is provided with a first gear (33), the end of the second driven part (44) is provided with a straight rack (49), and the straight rack (49) is arranged in meshing with the first gear (33).

9. The mouth-ear linkage mechanism of the bionic animal doll according to claim 2, wherein, the first cam (41) mechanism is a closed cam mechanism, and the first cam (41) is provided with a third sliding groove (81), one end of the first driven part (42) is always in contact with the third sliding groove (81); the second cam (43) mechanism is a closed cam mechanism, and the second cam (43) is provided with a fourth sliding groove (82), one end of the second driven part (44) is always in contact with the fourth sliding groove (82); the first cam (41) and the second cam (43) are the same cam, and the third sliding groove (81) and the fourth sliding groove (82) are located on the same side.

10. The mouth-to-ear linkage of the biomimetic animal doll according to claim 9, wherein the third sliding groove (81) and the fourth sliding groove (82) are the same sliding groove and are provided with a near rest angle and a far rest angle; the movement angle between the first driven part (42) and the second driven part (44) is greater than the lift angle of the first cam mechanism; the movement angle between the first driven part (42) and the second driven part (44) is smaller than the smallest near rest angle.

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