Rotary toothbrush

Abstract

The utility model relates to the technical field of electric toothbrushes, and discloses a rotary toothbrush which comprises a toothbrush head and a toothbrush main machine, and the toothbrush head comprises a brush disc with bristles; the toothbrush main machine comprises a toothbrush shell, a toothbrush bottom cover and a driving structure; the driving structure comprises a first support and a second support, the first support penetrates through the toothbrush shell, a transmission shaft is rotatably connected into the first support, the second support is slidably clamped into the toothbrush shell, a driving motor is mounted in the second support, an eccentric wheel sleeves an output shaft of the driving motor, and a transmission frame in contact with the eccentric wheel sleeves the transmission shaft. The transmission frame is used for driving the transmission shaft to perform reciprocating deflection motion, so that the transmission shaft provides rotating power for a brush disc of the toothbrush head; the second support is clamped with the toothbrush bottom cover, a control panel is installed on one side of the second support, a battery is clamped in the second support, and the driving motor and the battery are electrically connected with the control panel. According to the utility model, gearless transmission is realized, the transmission structure is simplified, and the operation noise can be greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electric toothbrushes, in particular to a rotating toothbrush. Background Art

[0002] As people's living standards improve, they pay more and more attention to oral health. Electric toothbrushes have the advantages of strong cleaning ability, convenience and practicality, and can reduce damage to teeth or gums, and their popularity is growing day by day.

[0003] In the prior art, a Chinese utility model with the authorization announcement number CN220025274U discloses an electric toothbrush, including: a toothbrush upper shell, a toothbrush main shell, a toothbrush bottom cover, a shock-absorbing assembly and a driving structure, wherein the toothbrush upper shell is rotatably connected to a brush plate, and a plurality of bristles are installed on the brush plate, the driving structure includes a first mounting frame, a second mounting frame, a driving motor and a transmission mechanism, the driving motor drives the transmission mechanism to move, so that the transmission mechanism drives the brush plate to rotate and reciprocate, and the shock-absorbing assembly includes a first shock-absorbing sleeve and a second shock-absorbing pad, the first shock-absorbing sleeve is sleeved on one end of the driving motor, and the second shock-absorbing pad is installed on one side of the driving motor. However, the above electric toothbrush uses gears for transmission, which is prone to generate loud noise after long-term use; and the structure is relatively complicated.

[0004] Therefore, how to provide a rotating toothbrush to achieve gearless transmission and simplify the transmission structure has become a technical problem that needs to be solved urgently. Utility Model Content

[0005] The technical problem to be solved by the utility model is how to provide a rotating toothbrush to realize gearless transmission and simplify the transmission structure.

[0006] To this end, according to a first aspect, an embodiment of the utility model discloses a rotating toothbrush, comprising: a toothbrush head and a toothbrush main body, wherein the toothbrush head comprises a brush plate having bristles; the toothbrush main body comprises a toothbrush shell, a toothbrush bottom cover and a driving structure;

[0007] The driving structure comprises a first bracket and a second bracket which are detachably connected, the first bracket passes through the toothbrush shell, a transmission shaft is rotatably connected in the first bracket, the second bracket is slidably engaged in the toothbrush shell, a driving motor is installed in the second bracket, an eccentric wheel is sleeved on the output shaft of the driving motor, a transmission frame which contacts the eccentric wheel is sleeved on the transmission shaft, and the transmission frame is used to drive the transmission shaft to perform reciprocating oscillating motion, so that the transmission shaft provides rotational power to the brush disc of the toothbrush head;

[0008] The second bracket is clamped with the toothbrush bottom cover, a control board is installed on one side of the second bracket, a battery is clamped in the second bracket, and the driving motor and the battery are electrically connected to the control board respectively.

[0009] The utility model is further configured as follows: the toothbrush head includes a toothbrush handle, the brush disc is rotatably connected to the toothbrush handle, a toggle rod for toggling the brush disc for rotation is rotatably connected inside the toothbrush handle, a first decorative ring abutting against the toggle rod is installed inside the toothbrush handle; the transmission shaft passes through the first decorative ring and is clamped with the toggle rod.

[0010] The utility model is further configured such that a limiting boss is provided at one end of the first decorative ring, and a limiting block corresponding to the limiting boss is provided on the toggle rod.

[0011] The utility model is further configured that the eccentric wheel is provided with an eccentric rod, the transmission frame is provided with a swing groove matched with the eccentric rod, and the eccentric rod abuts against the inner wall of the swing groove.

[0012] The utility model is further configured that the swing groove is configured in a U shape.

[0013] The utility model is further configured such that a detachably connected third bracket is provided on the second bracket, and the third bracket is used for limiting the position of the drive motor and installing it in the second bracket.

[0014] The utility model is further configured that one end of the driving motor is sleeved with a shock absorbing sleeve, and a shock absorbing pad is arranged between the driving motor and the third bracket.

[0015] The utility model is further configured such that a top waterproof ring is sleeved on the first bracket and is tightly pressed against the inner wall of the toothbrush shell.

[0016] The utility model is further configured that a first waterproof ring is sleeved on the transmission shaft and is tightly pressed against the inner wall of the first bracket.

[0017] The utility model is further configured that a second waterproof ring is sleeved on the bottom cover of the toothbrush.

[0018] The utility model has the following beneficial effects: the eccentric wheel is driven by a driving motor to rotate, and the transmission frame drives the transmission shaft to perform reciprocating oscillating motion, so that the transmission shaft provides rotational power to the brush plate of the toothbrush head, thereby providing a rotating toothbrush, realizing gearless transmission, simplifying the transmission structure, and greatly reducing its operating noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 is a schematic diagram of the three-dimensional structure of a rotating toothbrush disclosed in this embodiment;

[0021] Figure 2 is a schematic diagram of an exploded structure of a rotating toothbrush disclosed in this embodiment;

[0022] Figure 3 is a schematic diagram of a half-section structure of a toothbrush head in a rotating toothbrush disclosed in this embodiment;

[0023] Figure 4 is a schematic diagram of the exploded structure of a toothbrush head in a rotating toothbrush disclosed in this embodiment;

[0024] Figure 5 It is a schematic diagram of the exploded structure of a toothbrush main unit in a rotating toothbrush disclosed in this embodiment;

[0025] Figure 6 is a schematic diagram of an exploded structure of a driving structure in a rotating toothbrush disclosed in this embodiment;

[0026] Figure 7 is a partial structural schematic diagram of a driving structure in a rotating toothbrush disclosed in this embodiment;

[0027] Figure 8 It is a schematic diagram of the three-dimensional structure of an eccentric wheel in a rotating toothbrush disclosed in this embodiment;

[0028] Fig. 9 It is a schematic diagram of the three-dimensional structure of a transmission frame in a rotating toothbrush disclosed in this embodiment;

[0029] Fig.10 It is a schematic diagram of the bottom structure of a transmission frame in a rotating toothbrush disclosed in this embodiment;

[0030] Fig.11 It is a schematic structural diagram of a transmission shaft in a rotating toothbrush disclosed in this embodiment.

[0031] Figure numerals: 10, toothbrush head; 11, bristles; 12, brush plate; 13, toothbrush handle; 14, toggle rod; 141, limit block; 142, clamp block; 15, first decorative ring; 151, limit boss; 20, toothbrush host; 21, toothbrush shell; 22, toothbrush bottom cover; 23, drive structure; 231, first bracket; 232, second bracket; 233, transmission shaft; 2331, first plane; 2332, clamping groove; 234, drive Motor; 235, eccentric wheel; 2351, eccentric rod; 236, transmission frame; 2361, swing groove; 2362, second plane; 2363, notch; 237, third bracket; 238, shock-absorbing sleeve; 239, shock-absorbing pad; 24, control board; 25, battery; 26, top waterproof ring; 271, first waterproof ring; 272, second waterproof ring; 281, wireless charging bracket; 282, wireless charging coil; 29, control button. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0033] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, it can also be the internal connection of two components, it can be a wireless connection, or it can be a wired connection. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0034] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0035] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0036] The utility model discloses a rotating toothbrush. Figure 1-10 As shown, it includes: a toothbrush head 10 and a toothbrush main unit 20, the toothbrush head 10 includes a brush plate 12 with bristles 11; the toothbrush main unit 20 includes a toothbrush shell 21, a toothbrush bottom cover 22 and a driving structure 23;

[0037] The driving structure 23 includes a first bracket 231 and a second bracket 232 which are detachably connected. The first bracket 231 passes through the toothbrush housing 21. A transmission shaft 233 is rotatably connected in the first bracket 231. The second bracket 232 is slidably engaged in the toothbrush housing 21. A driving motor 234 is installed in the second bracket 232. An eccentric wheel 235 is sleeved on the output shaft of the driving motor 234. A transmission frame 236 in contact with the eccentric wheel 235 is sleeved on the transmission shaft 233. The transmission frame 236 is used to drive the transmission shaft 233 to perform reciprocating oscillating motion, so that the transmission shaft 233 provides rotational power to the brush disc 12 of the toothbrush head 10.

[0038] The second bracket 232 is snap-fitted with the toothbrush bottom cover 22 , a control board 24 is mounted on one side of the second bracket 232 , a battery 25 is snap-fitted inside the second bracket 232 , and the driving motor 234 and the battery 25 are electrically connected to the control board 24 respectively.

[0039] In this embodiment, the toothbrush bottom cover 22 is engaged with the second bracket 232, and a wireless charging bracket 281 that is plugged and matched with the second bracket 232 is engaged in the toothbrush bottom cover 22, and a wireless charging coil 282 for charging the battery 25 is sleeved on the wireless charging bracket 281; a control button 29 for controlling the working state of the rotating toothbrush is installed on the toothbrush shell 21. The first bracket 231 and the second bracket 232 are fastened by screws. A first plane 2331 is provided on the transmission shaft 233, and a second plane 2362 corresponding to the first plane 2331 is provided in the transmission frame 236; through the arrangement of the first plane 2331 and the second plane 2362, the transmission frame 236 can smoothly drive the transmission shaft 233 to swing. A plurality of mode lights for displaying the working mode of the rotating toothbrush are provided on the control panel 24.

[0040] It should be noted that the eccentric wheel 235 is driven to rotate by the driving motor 234, and the transmission frame 236 drives the transmission shaft 233 to perform reciprocating oscillating motion, so that the transmission shaft 233 provides rotational power to the brush plate 12 of the toothbrush head 10, thereby providing a rotating toothbrush, realizing gearless transmission, simplifying the transmission structure, and greatly reducing its operating noise.

[0041] like Figure 3 , Figure 4 and Fig.10As shown, the toothbrush head 10 includes a toothbrush handle 13, a brush disc 12 is rotatably connected to the toothbrush handle 13, a toggle rod 14 is rotatably connected in the toothbrush handle 13 for toggling the brush disc 12 for rotation, a first decorative ring 15 is installed in the toothbrush handle 13 to abut against the toggle rod 14; the transmission shaft 233 passes through the first decorative ring 15 and is engaged with the toggle rod 14. In the specific implementation process, the first decorative ring 15 is engaged with the toothbrush handle 13; the toggle rod 14 is provided with a clamping block 142, and the transmission shaft 233 is provided with a clamping groove 2332 corresponding to the clamping block 142, and the clamping groove 2332 is arranged in a V shape. The toggle rod 14 is provided with a toggle end inserted into the brush disc 12, and through the arrangement of the toggle end, the toggle rod 14 can smoothly toggle the brush disc 12 for rotational movement.

[0042] like Figure 2-4 As shown, a limiting boss 151 is provided at one end of the first decorative ring 15, and a limiting block 141 corresponding to the limiting boss 151 is provided on the toggle rod 14. It should be noted that the first decorative ring 15 and the limiting boss 151 are an integrally formed structure, and the toggle rod 14 and the limiting block 141 are an integrally formed structure; by using the limiting block 141 and the limiting boss 151, the rotation stroke of the toggle rod 14 can be limited.

[0043] like Figure 8-10 As shown, the eccentric wheel 235 is provided with an eccentric rod 2351, and the transmission frame 236 is provided with a swinging groove 2361 adapted to the eccentric rod 2351, and the eccentric rod 2351 abuts against the inner wall of the swinging groove 2361. It should be noted that the eccentric wheel 235 is driven by the driving motor 234 to rotate, and the eccentric rod 2351 drives the transmission frame 236 to swing, thereby driving the transmission shaft 233 to perform reciprocating swinging motion; because the transmission shaft 233 is clamped with the toggle rod 14, the toggle rod 14 drives the brush plate 12 to rotate, thereby realizing rotary brushing.

[0044] like Fig.10 As shown, the swing groove 2361 is arranged in a U-shape. In the specific implementation process, a notch 2363 is arranged on the eccentric rod 2351, and the arrangement of the notch 2363 facilitates the assembly of the eccentric wheel 235 and the transmission frame 236.

[0045] like Figure 6 As shown, a detachably connected third bracket 237 is provided on the second bracket 232, and the third bracket 237 is used to limit the drive motor 234 and install it in the second bracket 232. In the specific implementation process, the second bracket 232 and the third bracket 237 are fastened and connected by screws.

[0046] like Figure 6As shown, a shock absorbing sleeve 238 is sleeved on one end of the driving motor 234, and a shock absorbing pad 239 is arranged between the driving motor 234 and the third bracket 237. It should be noted that the shock absorbing sleeve 238 can be made of silicone or EVA material, and the shock absorbing pad 239 can be made of silicone or EVA material; by setting the shock absorbing sleeve 238 and the shock absorbing pad 239, it is convenient to reduce the noise of the operation of the driving motor 234.

[0047] like Figure 6 As shown, the first bracket 231 is sleeved with a top waterproof ring 26 that is tightly against the inner wall of the toothbrush housing 21. It should be noted that the top waterproof ring 26 is made of silicone material, and the top of the toothbrush host 20 is waterproof to prevent water from entering the toothbrush host 20.

[0048] like Figure 6 As shown, a first waterproof ring 271 is sleeved on the transmission shaft 233 and is tightly pressed against the inner wall of the first bracket 231 .

[0049] like Figure 6 As shown, the toothbrush bottom cover 22 is sleeved with a second waterproof ring 272. It should be noted that the first waterproof ring 271 and the second waterproof ring 272 are both made of silicone material, which can effectively waterproof the toothbrush host 20.

[0050] Working principle: The eccentric wheel 235 is driven to rotate by the driving motor 234, and the transmission frame 236 drives the transmission shaft 233 to perform reciprocating oscillating motion, so that the transmission shaft 233 provides rotational power to the brush plate 12 of the toothbrush head 10, thereby providing a rotating toothbrush, realizing gearless transmission, simplifying the transmission structure, and greatly reducing its operating noise.

[0051] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A rotating toothbrush, characterized in that: include: A toothbrush head (10) and a toothbrush main unit (20), wherein the toothbrush head (10) comprises a brush plate (12) having bristles (11); the toothbrush main unit (20) comprises a toothbrush shell (21), a toothbrush bottom cover (22) and a driving structure (23); The driving structure (23) comprises a first bracket (231) and a second bracket (232) which are detachably connected, the first bracket (231) passing through the toothbrush shell (21), a transmission shaft (233) being rotatably connected inside the first bracket (231), the second bracket (232) being slidably engaged inside the toothbrush shell (21), a driving motor (234) being installed inside the second bracket (232), an eccentric wheel (235) being sleeved on the output shaft of the driving motor (234), a transmission frame (236) being sleeved on the transmission shaft (233) and being in contact with the eccentric wheel (235), the transmission frame (236) being used to drive the transmission shaft (233) to perform reciprocating oscillating motion, so that the transmission shaft (233) provides rotational power to the brush disc (12) of the toothbrush head (10); The second bracket (232) is snap-connected with the toothbrush bottom cover (22); a control board (24) is installed on one side of the second bracket (232); a battery (25) is snap-connected inside the second bracket (232); and the drive motor (234) and the battery (25) are electrically connected to the control board (24) respectively.

2. The rotary toothbrush according to claim 1, characterized in that: The toothbrush head (10) comprises a toothbrush handle (13); the brush disc (12) is rotatably connected to the toothbrush handle (13); a toggle rod (14) is rotatably connected inside the toothbrush handle (13) and is used to toggle the brush disc (12) for rotation; a first decorative ring (15) abutting against the toggle rod (14) is installed inside the toothbrush handle (13); the transmission shaft (233) passes through the first decorative ring (15) and is clamped with the toggle rod (14).

3. The rotating toothbrush according to claim 2, characterized in that: A limiting boss (151) is provided at one end of the first decorative ring (15), and a limiting block (141) corresponding to the limiting boss (151) is provided on the toggle rod (14).

4. The rotating toothbrush according to any one of claims 1 to 3, characterized in that: The eccentric wheel (235) is provided with an eccentric rod (2351), the transmission frame (236) is provided with a swing groove (2361) adapted to the eccentric rod (2351), and the eccentric rod (2351) abuts against the inner wall of the swing groove (2361).

5. The rotating toothbrush according to claim 4, characterized in that: The swing groove (2361) is arranged in a U shape.

6. The rotating toothbrush according to any one of claims 1 to 3, characterized in that: A detachably connected third bracket (237) is provided on the second bracket (232), and the third bracket (237) is used to positionally install the drive motor (234) in the second bracket (232).

7. The rotating toothbrush according to claim 6, characterized in that: A shock-absorbing sleeve (238) is sleeved on one end of the driving motor (234), and a shock-absorbing pad (239) is provided between the driving motor (234) and the third bracket (237).

8. The rotating toothbrush according to claim 1, characterized in that: The first bracket (231) is sleeved with a top waterproof ring (26) which is tightly pressed against the inner wall of the toothbrush housing (21).

9. The rotating toothbrush according to any one of claims 1 to 3 or 8, characterized in that: The transmission shaft (233) is sleeved with a first waterproof ring (271) which is tightly pressed against the inner wall of the first bracket (231).

10. The rotating toothbrush according to any one of claims 1 to 3 or 8, characterized in that: A second waterproof ring (272) is sleeved on the toothbrush bottom cover (22).

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