U-shaped track automatic toothbrush

Abstract

The utility model discloses a kind of U-shaped track type automatic toothbrush, including fixed frame, toothbrush driving structure and toothbrush assembly;The toothbrush assembly is fixed to the front end of fixed frame, and toothbrush driving structure is set in fixed frame, and the movable part of toothbrush assembly is driven to reciprocate by toothbrush driving structure, and then the action of brushing teeth is simulated.The utility model drives by reduction motor, guide rod and guide groove match, and the rotation movement of motor is converted into the accurate linear reciprocating motion of driving shaft main body;It is driven finally left and right toothbrush holder and vice toothbrush holder along preset U-shaped track to carry out compound motion via the transmission of axle rod connector, driving connecting rod, effectively simulates the horizontal tremor or circular arc motion track required when manually brushing teeth, and then the effect of tooth cleaning is achieved.

Description

Technical Field

[0001] This utility model relates to an automatic toothbrush, specifically a U-shaped track automatic toothbrush. Background Technology

[0002] Traditional electric toothbrushes, with their simple single-rotational or reciprocating linear motions (such as rotation or vibration in only one direction), are too simplistic to effectively mimic the complex multi-directional movements required for manual brushing. This results in insufficient cleaning coverage of tooth surfaces (especially uneven surfaces, interproximal surfaces, and gingival sulci), leading to unsatisfactory cleaning results. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a U-shaped track automatic toothbrush to solve the problems existing in the background art.

[0004] This utility model of a U-shaped track-type automatic toothbrush is achieved through the following technical solution, including a fixed frame, a toothbrush drive structure, and a toothbrush assembly; The toothbrush assembly is fixed to the front end of the fixed frame, and the toothbrush drive structure is set inside the fixed frame. The toothbrush drive structure drives the movable part of the toothbrush assembly to reciprocate, thereby mimicking the action of brushing teeth.

[0005] As a preferred technical solution, the toothbrush drive structure includes a geared motor, a drive shaft body, a drive shaft cover, a shaft connector, and a drive connecting rod; The geared motor is fixed below the fixed frame, and the drive shaft cover is disposed above the fixed frame; a hexagonal prism-shaped connecting rotating shaft is sleeved on the output shaft of the geared motor, and the connecting rotating shaft is inserted into the guide hole of the drive shaft body; the drive shaft body is placed inside the drive shaft cover. The upper end of the drive shaft cover is provided with a guide rod that drives the drive shaft body forward or backward, and the guide rod is positioned corresponding to the guide groove on the drive shaft body. The drive shaft body moves forward or backward due to the rotation of the geared motor and the action of the guide rod and the guide groove. The drive shaft body is provided with a shaft connector via a bearing, and the shaft connector is guided by a movable groove on the fixed frame; The front end of the shaft connector is rotatably equipped with a drive connecting rod, and the drive connecting rod is connected to the movable part of the toothbrush assembly.

[0006] As a preferred technical solution, the toothbrush assembly includes a fixed top cover, a U-shaped mounting bracket, a left toothbrush holder, a right toothbrush holder, and a secondary toothbrush holder; The U-shaped mounting bracket is installed above the fixed top cover, and a guide rail is provided on the U-shaped mounting bracket, with the auxiliary toothbrush holder guided on the guide rail; the drive connecting rods at both ends of the toothbrush drive structure pass through the guide holes of the fixed top cover and are connected to the left and right toothbrush holders, and the left and right toothbrush holders are respectively connected to the auxiliary toothbrush holders located on both sides of the U-shaped mounting bracket by rotating buckles. The extension and retraction of the drive connecting rods drives the left toothbrush holder, right toothbrush holder, and auxiliary toothbrush holder to move along the corresponding paths, thereby achieving the effect of brushing teeth.

[0007] As a preferred technical solution, the left toothbrush holder, the right toothbrush holder, and the auxiliary toothbrush holder are composed of multiple connecting pieces, and the connecting pieces are provided with bristles. The connecting pieces are connected to each other by elastic silicone so that they can fit the teeth.

[0008] As a preferred technical solution, the positioning wheel structure includes multiple positioning wheels disposed on the back of the auxiliary toothbrush holder, and the positioning wheels are rotatably disposed on the inner side of the guide rail, thereby realizing the guidance of the auxiliary toothbrush holder on the U-shaped mounting bracket.

[0009] As a preferred technical solution, a control motherboard and a power supply component are also provided inside the fixed frame. The control motherboard is connected to control the operation of the geared motor and is powered by the power supply component. The fixed frame is fitted with a shell, and the shell is provided with a flexible button. The position of the flexible button corresponds to the button position of the control motherboard. The outer casing is also equipped with a display screen, which is connected to the control motherboard to display the current operating status. The beneficial effects of this utility model are: This invention uses a geared motor drive and a guide rod and guide groove to convert the rotational motion of the motor into a precise linear reciprocating motion of the drive shaft body. Then, through the transmission of the shaft connector and the drive connecting rod, the left and right toothbrush holders and the auxiliary toothbrush holder are finally driven to perform compound motion along a preset U-shaped track, effectively mimicking the horizontal vibration or arc motion trajectory required when brushing teeth manually, thereby achieving the effect of cleaning teeth. Attached Figure Description

[0010] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the exploded structure of this utility model; Figure 3 This is a schematic diagram of the toothbrush drive structure of this utility model; Figure 4 This is a schematic diagram of the toothbrush assembly structure of this utility model; Figure 5 This is a schematic diagram of the positioning wheel assembly of this utility model.

[0012] Explanation of reference numerals in the attached figures

[0013] 1. Fixed frame; 2. Gear motor; 3. Drive shaft body; 4. Drive shaft cover; 5. Shaft connector; 6. Drive connecting rod; 7. Connecting rotating shaft; 8. Guide rod; 9. Guide groove; 10. Shaft connector; 11. Movable groove; 12. Drive connecting rod; 13. Fixed top cover; 14. U-shaped mounting bracket; 15. Left toothbrush holder; 16. Right toothbrush holder; 17. Secondary toothbrush holder; 18. Guide rail; 19. Guide hole; 20. Connecting piece; 21. Elastic silicone; 22. Brush bristles; 23. Control main board; 24. Housing; 25. Elastic button; 26. Display screen. Detailed Implementation

[0014] All features disclosed in this specification, or all steps in all disclosed methods or processes, may be combined in any way, except for mutually exclusive features and / or steps.

[0015] like Figures 1-4 As shown, this utility model discloses a U-shaped track-type automatic toothbrush, which includes a fixed frame 1, a toothbrush drive structure, and a toothbrush assembly. The toothbrush assembly is fixed to the front end of the fixed frame 1, and the toothbrush drive structure is set inside the fixed frame 1. The toothbrush drive structure drives the movable part of the toothbrush assembly to reciprocate, thereby mimicking the action of brushing teeth.

[0016] The toothbrush drive structure includes a geared motor 2, a drive shaft body 3, a drive shaft cover 4, a shaft connector 10, and a drive connecting rod 12. The geared motor 2 is fixed below the fixed frame 1, and the drive shaft cover 4 is disposed above the fixed frame 1; a hexagonal prism-shaped connecting rotating shaft 7 is sleeved on the output shaft of the geared motor 2, and the connecting rotating shaft 7 is inserted into the guide hole 19 of the drive shaft body 3; the drive shaft body 3 is placed inside the drive shaft cover 4. The upper end of the drive shaft cover 4 is provided with a guide rod 8 that drives the drive shaft body 3 forward or backward. The guide rod 8 is positioned corresponding to the guide groove 9 on the drive shaft body 3. The drive shaft body 3 moves forward or backward due to the rotation of the reduction motor 2 and the action of the guide rod 8 and the guide groove 9. The drive shaft body 3 is provided with a shaft connector 10 via a bearing, and the shaft connector 10 is guided by a movable groove 11 on the fixed frame 1. The front end of the shaft connector 10 is rotatably provided with a drive connecting rod 12, and the drive connecting rod 12 is connected to the movable part of the toothbrush assembly.

[0017] The toothbrush assembly includes a fixed top cover 13, a U-shaped mounting bracket 14, a left toothbrush holder 15, a right toothbrush holder 16, and a secondary toothbrush holder 17. The U-shaped mounting bracket 14 is installed above the fixed cover 13, and a guide rail 18 is provided on the U-shaped mounting bracket 14, with the auxiliary toothbrush holder 17 guidedly positioned on the guide rail 18. The drive connecting rods 12 at both ends of the toothbrush drive structure pass through the guide holes 19 of the fixed cover 13 and are connected to the left toothbrush holder 15 and the right toothbrush holder 16. The left toothbrush holder 15 and the right toothbrush holder 16 are respectively connected to the auxiliary toothbrush holders 17 located on both sides of the U-shaped mounting bracket 14 through rotating buckles 28, thereby achieving a 180-degree rotation function. The extension and retraction of the drive connecting rods 12 drives the left toothbrush holder 15, the right toothbrush holder 16, and the auxiliary toothbrush holder 17 to move along the corresponding paths, thereby achieving the effect of brushing teeth.

[0018] In order to achieve a fitting effect, in this embodiment, the left toothbrush holder 15, the right toothbrush holder 16 and the auxiliary toothbrush holder 17 are composed of multiple connecting pieces 20, and the connecting pieces 20 are provided with bristles 22. The connecting pieces 20 are connected to each other by elastic silicone 21 so that they can fit the teeth.

[0019] The positioning wheel structure includes multiple positioning wheels 27 disposed on the back of the auxiliary toothbrush holder, and the positioning wheels 27 are rotatably disposed on the inner side of the guide rail, thereby realizing the guidance of the auxiliary toothbrush holder 17 on the U-shaped mounting bracket.

[0020] For ease of control, in this embodiment, a control motherboard 23 and a power supply assembly are also provided inside the fixed frame 1. The control motherboard 23 is connected to control the operation of the geared motor 2 and is powered by the power supply assembly. The fixed frame 1 is fitted with a housing 24, and a flexible button 25 is provided on the housing 24. The position of the flexible button 25 corresponds to the button position of the control motherboard 23.

[0021] The outer casing 24 is also provided with a display screen 26, which is connected to the control motherboard 23 and displays the current working status.

[0022] This invention utilizes a geared motor drive and a guide rod and guide groove to convert the motor's rotational motion into precise linear reciprocating motion of the drive shaft body. Through the shaft connector and drive connecting rod, the left and right toothbrush holders and the auxiliary toothbrush holder are ultimately driven to perform a compound motion along a preset U-shaped track. This effectively mimics the horizontal vibration or circular motion trajectory required for manual brushing, thereby achieving a teeth-cleaning effect. The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without inventive effort should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope defined in the claims.

Claims

1. A U-shaped track-type automatic toothbrush, characterized in that, Includes a fixed frame (1), a toothbrush drive structure, and toothbrush components; The toothbrush assembly is fixed to the front end of the fixed frame (1), and the toothbrush drive structure is set inside the fixed frame (1). The toothbrush drive structure drives the moving part of the toothbrush assembly to reciprocate, thereby mimicking the action of brushing teeth. The toothbrush assembly includes a fixed top cover (13), a U-shaped mounting bracket (14), a left toothbrush holder (15), a right toothbrush holder (16), and a secondary toothbrush holder (17); The U-shaped mounting bracket (14) is installed above the fixed cover (13), and a guide rail (18) is provided on the U-shaped mounting bracket (14). The auxiliary toothbrush holder (17) is guided and set on the guide rail (18) through the positioning wheel structure. The drive connecting rods (12) at both ends of the toothbrush drive structure pass through the guide hole (19) of the fixed cover (13) and are connected to the left toothbrush holder (15) and the right toothbrush holder (16). The left toothbrush holder (15) and the right toothbrush holder (16) are respectively connected to the auxiliary toothbrush holder (17) located on both sides of the U-shaped mounting bracket (14) through the rotating buckle (28). The drive connecting rods (12) of the toothbrush drive structure extend and retract, driving the left toothbrush holder (15), the right toothbrush holder (16) and the auxiliary toothbrush holder (17) to move along the corresponding path, thereby achieving the effect of brushing teeth. The toothbrush drive structure includes a geared motor (2), a drive shaft body (3), a drive shaft cover (4), a shaft connector (10), and a drive connecting rod (12); The geared motor (2) is fixed below the fixed frame (1), and the drive shaft cover (4) is set above the fixed frame (1); a hexagonal prism-shaped connecting rotating shaft (7) is sleeved on the output shaft of the geared motor (2), and the connecting rotating shaft (7) is inserted into the guide hole (19) of the drive shaft body (3); the drive shaft body (3) is placed inside the drive shaft cover (4); The upper end of the drive shaft cover (4) is provided with a guide rod (8) that drives the drive shaft body (3) forward or backward. The guide rod (8) is positioned corresponding to the guide groove (9) on the drive shaft body (3). The drive shaft body (3) moves forward or backward under the action of the geared motor (2) and the guide rod (8) and the guide groove (9). The drive shaft body (3) is provided with a shaft connector (10) through a bearing, and the shaft connector (10) is guided by the movable groove (11) on the fixed frame (1); The front end of the shaft connector (10) is rotatably provided with a drive connecting rod (12), and the drive connecting rod (12) is connected to the left toothbrush holder (15) and the right toothbrush holder (16) of the toothbrush assembly.

2. The U-shaped track automatic toothbrush according to claim 1, characterized in that: The left toothbrush holder (15), right toothbrush holder (16) and auxiliary toothbrush holder (17) are composed of multiple connecting pieces (20), and the connecting pieces (20) are provided with bristles (22). The connecting pieces (20) are connected to each other by elastic silicone (21) so that they can fit the teeth.

3. The U-shaped track automatic toothbrush according to claim 2, characterized in that: The positioning wheel structure includes multiple positioning wheels (27) disposed on the back of the auxiliary toothbrush holder, and the positioning wheels (27) are tumbling disposed on the inner side of the guide rail (18), thereby realizing the guidance of the auxiliary toothbrush holder on the U-shaped mounting bracket (14).

4. The U-shaped track automatic toothbrush according to claim 1, characterized in that: The fixed frame (1) is also equipped with a control motherboard (23) and a power supply component. The control motherboard (23) is connected to control the geared motor (2) to work and is powered by the power supply component. The fixed frame (1) is fitted with a shell (24), and a flexible button (25) is provided on the shell (24). The position of the flexible button (25) corresponds to the button position of the control motherboard (23). The outer casing (24) is also provided with a display screen (26), and the display screen (26) is connected to the control motherboard (23) to display the current working status.

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