WO2023241530A1 - 一种电动牙刷传动结构及多功能电动牙刷 - Google Patents

一种电动牙刷传动结构及多功能电动牙刷 Download PDF

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Publication number
WO2023241530A1
WO2023241530A1 PCT/CN2023/099765 CN2023099765W WO2023241530A1 WO 2023241530 A1 WO2023241530 A1 WO 2023241530A1 CN 2023099765 W CN2023099765 W CN 2023099765W WO 2023241530 A1 WO2023241530 A1 WO 2023241530A1
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Prior art keywords
rod
transmission
driven
crankshaft
electric toothbrush
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PCT/CN2023/099765
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English (en)
French (fr)
Inventor
雷德贵
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雷德贵
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Publication of WO2023241530A1 publication Critical patent/WO2023241530A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/24—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously
    • A61C17/26—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously driven by electric motor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/222—Brush body details, e.g. the shape thereof or connection to handle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/225—Handles or details thereof

Definitions

  • the present invention relates to the technical field of electric toothbrushes, and in particular to an electric toothbrush transmission structure and a multifunctional electric toothbrush.
  • the brush head can only clean the teeth in one direction, and the brush handle needs to be constantly rotated; and when cleaning different parts of the teeth, the brush handle needs to be pushed and pulled continuously.
  • the problem of poor experience In order to solve the problem that when using an electric toothbrush with an existing transmission structure to clean teeth, the brush head can only clean the teeth in one direction, and the brush handle needs to be constantly rotated; and when cleaning different parts of the teeth, the brush handle needs to be pushed and pulled continuously. The problem of poor experience.
  • embodiments of the present invention propose an electric toothbrush transmission structure, including: a driving motor, a gear assembly, a crankshaft assembly, a transmission main rod, a driven rod and a support frame; wherein,
  • the drive motor, gear assembly and crankshaft assembly are all connected to the support frame.
  • the main transmission rod has a transmission cavity, and the driven rod passes through the transmission cavity.
  • the drive motor drives the crankshaft assembly to rotate through the gear assembly, so that the crankshaft assembly drives the main transmission rod. and the telescopic movement of the driven rod; the bottom of the transmission main rod is connected to the gear assembly, and the gear assembly is also used to drive the transmission main rod to swing left and right.
  • the gear assembly includes a gear set, a resisting member and a drive shaft.
  • the resisting member and the drive shaft are respectively connected to the gear set.
  • a U-shaped groove is provided at the bottom of the transmission main rod, and the resisting member is located in the U-shaped one or both sides of the trough,
  • the gear set is used to drive the resistance member to rotate under the action of the drive motor, and the transmission main rod swings left and right under the action of the resistance member;
  • the drive shaft is used to drive the crankshaft assembly to rotate under the action of the drive motor, so that the crankshaft assembly drives the transmission
  • the main rod and the driven rod telescopically move; the drive shaft is connected to the crankshaft assembly.
  • the crankshaft assembly includes a first crank rod, a second crank rod, a transmission meshing tooth and two sets of crankshaft rods.
  • the first crank rod is connected to the second crank rod, and the two sets of crankshaft rods are respectively located on the first crank rod. and both sides of the second crank rod, both sides of the crankshaft rod are connected to the support frame through bearings, and the transmission meshing teeth are drivingly connected to the drive shaft;
  • the transmission main rod is connected to the first curved rod, and the driven rod is connected to the second curved rod; or the driven rod is connected to the first curved rod, and the transmission main rod is connected to the second curved rod.
  • the distance from the first crank rod connected to the main transmission rod to the axis center of the crankshaft rod is greater than the distance from the second crank rod connected to the driven rod to the axis center of the crankshaft rod.
  • a slotted hole is provided in the middle of the transmission main rod, and the first curved rod is inserted into the slotted hole.
  • the driven rod includes a driven shaft and a driven seat connected to the bottom of the driven shaft.
  • the driven seat is provided with a transverse groove
  • the second crank rod is passed through the transverse groove
  • the driven rod is located in the transverse groove. inside the transmission cavity.
  • the top of the driven rod is provided with an external member.
  • both the transmission main rod and the driven rod are made of stainless steel.
  • the height of the resisting member is smaller than the depth of the U-shaped groove.
  • embodiments of the present invention also provide a multifunctional electric toothbrush.
  • the multifunctional electric toothbrush includes a brush handle, a brush head and an electric toothbrush transmission structure as proposed in the above embodiments.
  • the electric toothbrush transmission structure is located in the brush handle.
  • the brush head is transmission connected with the transmission main rod and the driven rod.
  • the present invention discloses an electric toothbrush transmission structure and a multifunctional toothbrush, which relate to the technical field of electric toothbrushes.
  • the electric toothbrush transmission structure includes: a driving motor, a gear assembly, a crankshaft assembly, a transmission main rod, a driven rod and a support frame; among which, the drive motor, gear assembly and crankshaft assembly are all connected to the support frame, and the transmission main rod is provided with a transmission cavity, the driven rod passes through the transmission cavity, and the driving motor drives the crankshaft assembly to rotate through the gear assembly, so that the crankshaft assembly drives the transmission main rod and the driven rod to telescopically move; the bottom of the transmission main rod is connected to the gear assembly, and the gear assembly also It is used to drive the transmission main rod to swing left and right.
  • the drive motor can use a micro low-power drive reduction motor, such as a stepper motor, a coreless motor, a DC brush motor or a DC brushless motor, etc.; the support frame is used to fix the drive motor, gear assembly and crankshaft assembly.
  • the transmission main rod has a transmission cavity, and the driven rod is located in the transmission cavity.
  • the driving motor drives the gear assembly to drive the crankshaft assembly to rotate.
  • the transmission main rod and the driven rod are both connected to the crankshaft assembly. When the crankshaft assembly rotates, the transmission main rod is driven. Rod and driven rod telescopic movement.
  • the main transmission rod and the driven rod are connected at different positions of the crankshaft assembly, the main transmission rod can be set with an arc or an angle so that the driven rod penetrates the transmission cavity.
  • the transmission main rod and the driven rod can be connected at different positions of the crankshaft assembly, with the same or different expansion and contraction amplitudes, so that the transmission main rod and the driven rod can move relative or synchronously.
  • the top of the main transmission rod is used to connect the brush head, and the bottom of the main transmission rod is connected to the gear assembly.
  • the gear assembly is also used to drive the main transmission rod to swing left and right, allowing the brush head connected to the main transmission rod to swing left and right. Telescopic up and down enhances the fun of using the multifunctional electric toothbrush.
  • the driven rod can be connected to the bristle plate of the brush head to drive the bristle plate to reciprocate regularly clockwise or counterclockwise on the brush head.
  • the multi-functional electric toothbrush designed with the electric toothbrush transmission structure you can swing the brush head while brushing your teeth, not only can you control the expansion and contraction of the brush head, but the bristle board can also fine-tune the angle of the bristles.
  • Figure 1 is a schematic structural diagram of the electric toothbrush transmission structure
  • Figure 2 is a schematic structural diagram of the transmission main rod
  • Figure 3 is a schematic structural diagram of the driven rod
  • Figure 4 is a schematic structural diagram of a multifunctional electric toothbrush
  • Figure 5 is an enlarged view of part B of the multifunctional electric toothbrush.
  • Icon 10-electric toothbrush transmission structure; 100-drive motor; 200-gear assembly; 300-crankshaft assembly; 400-transmission main rod; 500-driven rod; 600-support frame; 410-transmission chamber; 210-gear set ; 220-resistance member; 230-drive shaft; 420-U-shaped groove; 310-first crank rod; 320-second crank rod; 330-transmission meshing teeth; 340-crankshaft rod; 350-bearing; 430-groove Hole; 510-driven shaft; 520-driven seat; 530-transverse groove; 540-external parts; 1-multifunctional electric toothbrush; 20-brush handle; 30-brush head.
  • FIGS. 1 to 5 is an electric toothbrush transmission structure 10 proposed by an embodiment of the present invention, including: a driving motor 100 , a gear assembly 200 , a crankshaft assembly 300 , a main transmission rod 400 , a driven rod 500 and a support frame 600 .
  • the driving motor 100, the gear assembly 200 and the crankshaft assembly 300 are all connected to the support frame 600.
  • the transmission main rod 400 is provided with a transmission cavity 410, and the driven rod 500 is penetrated in the transmission cavity 410.
  • the driving motor 100 is driven by the gear assembly 200.
  • the crankshaft assembly 300 rotates, so that the crankshaft assembly 300 drives the main transmission rod 400 and the driven rod 500 to telescopically move; the bottom of the main transmission rod 400 is connected to the gear assembly 200, and the gear assembly 200 is also used to drive the main transmission rod 400 to swing left and right.
  • the drive motor 100 can be a micro low-power drive reduction motor, such as a stepper motor, a coreless motor, a DC brush motor or a DC brushless motor, etc.; the support frame 600 is used to fix the drive motor 100, the gear assembly 200 and the crankshaft assembly 300.
  • the transmission main rod 400 is provided with a transmission cavity 410, and the driven rod 500 is located in the transmission cavity 410.
  • the driving motor 100 drives the gear assembly 200 to drive the crankshaft assembly 300 to rotate.
  • the transmission main rod 400 and the driven rod 500 are both connected to the crankshaft assembly 300. , when the crankshaft assembly 300 rotates, the transmission main rod 400 and the driven rod 500 are driven to telescopically move.
  • the main transmission rod 400 and the driven rod 500 are connected to different positions of the crankshaft assembly 300, the main transmission rod 400 can be set with an arc or an angle so that the driven rod 500 passes through the transmission cavity 410. Inside. At the same time, the transmission main rod 400 and the driven rod 500 can be connected at different positions of the crankshaft assembly 300, with the same or different telescopic amplitudes, so that the transmission main rod 400 and the driven rod 500 can move relative or synchronously.
  • the top of the main transmission rod 400 is used to connect the brush head 30, and the bottom of the main transmission rod 400 is connected to the gear assembly 200.
  • the gear assembly 200 is also used to drive the main transmission rod 400 to swing left and right, so that the main transmission rod 400 can be connected to the brush head 30.
  • the brush head 30 can expand and contract up and down while swinging left and right, which enhances the enjoyment of using the multifunctional electric toothbrush 1 .
  • the driven rod 500 can be connected with the bristle plate of the brush head 30 to drive the bristle plate to reciprocate regularly clockwise or counterclockwise on the brush head 30, and is designed by using the electric toothbrush transmission structure 10
  • the multifunctional electric toothbrush can not only control the expansion and contraction of the brush head 30 while the brush head 30 is swinging when brushing teeth, but the bristle plate can also fine-tune the angle of the bristles. This solves the problem that when using an electric toothbrush with an existing transmission structure to clean teeth, the brush head can only clean teeth in one direction, and the brush handle needs to be continuously rotated; and when cleaning different parts of the teeth, the brush handle needs to be pushed and pulled continuously. The problem of poor user experience.
  • the gear assembly 200 includes a gear set 210, a resisting member 220 and a driving shaft 230.
  • the resisting member 220 and the driving shaft 230 are respectively connected to the gear set 210 in transmission, and a U-shaped groove is provided at the bottom of the transmission main rod 400.
  • the resisting member 220 is provided on one or both sides of the U-shaped groove 420, and the gear set 210 is used to operate the driving motor 100.
  • the resisting member 220 is driven to rotate, and the main transmission rod 400 swings left and right under the action of the resisting member 220; the driving shaft 230 is used to drive the crankshaft assembly 300 to rotate under the action of the driving motor 100, so that the crankshaft assembly 300 drives the main transmission rod.
  • the rod 400 and the driven rod 500 move telescopically; the drive shaft 230 is connected to the crankshaft assembly 300 in transmission.
  • a variety of control structures can be used; in this embodiment, a U-shaped groove 420 is provided at the bottom of the transmission main rod 400, and the resisting members 220 are provided on both sides of the U-shaped groove 420.
  • the holding member 220 rotates driven by the gear set 210.
  • the resisting member 220 can be provided with a protrusion to resist one side of the U-shaped groove 420, so that the U-shaped groove 420 swings under the resistance of the protrusion to drive the transmission main rod 400. swing.
  • the gear set 210 is also used to drive the resisting member 220 to rotate under the action of the driving motor 100, so that the crankshaft assembly 300 drives the transmission main rod 400 and the driven rod 500 to telescopically move; it can be clearly seen that the driving shaft 230 and the crankshaft
  • the transmission connection of the assembly 300 can adopt a variety of connection structures, such as helical gear meshing.
  • the crankshaft assembly 300 includes a first crank rod 310, a second crank rod 320, a transmission meshing tooth 330 and two sets of crankshaft rods 340.
  • the first crank rod 310 is connected to the second crank rod 320, and the two sets of crankshaft rods
  • the rods 340 are respectively located on both sides of the first crank rod 310 and the second crank rod 320. Both sides of the crank rod 340 are connected to the support frame 600 through bearings 350 respectively.
  • the transmission meshing teeth 330 are transmission connected to the drive shaft 230; the transmission main rod 400
  • the driven rod 500 is connected to the first bent rod 310 and the driven rod 500 is connected to the second bent rod 320; or the driven rod 500 is connected to the first bent rod 310 and the transmission main rod 400 is connected to the second bent rod 320.
  • first crank rod 310 and the second crank rod 320 are connected.
  • the distances from the first crank rod 310 and the second crank rod 320 to the axis center of the crankshaft rod 340 may be equal or different.
  • the crankshaft rod 340 rotates, it drives the third crank rod 340 .
  • the first crank rod 310 and the second crank rod 320 rotate around the axis of the crankshaft rod 340, driving the transmission main rod 400 and the driven rod 500 to reciprocate.
  • the transmission meshing teeth 330 are mainly used for transmission connection with the drive shaft 230, so that the gear set 210 drives the crankshaft rod 340 to rotate; among them, two sets of crankshaft rods 340 are provided, mainly for connection, and the crankshaft rod 340 is connected to the support through the bearing 350
  • the frame 600 is connected to ensure the overall stability when the first curved bar 310 and the second curved bar 320 rotate.
  • the distance from the first crank rod 310 connected to the main transmission rod 400 to the axis center of the crankshaft rod 340 is greater than the distance from the second crank rod 320 connected to the driven rod 500 to the axis center of the crankshaft rod 340 .
  • the amplitude should normally be smaller than the expansion and contraction amplitude of the transmission main rod 400. Therefore, when the transmission main rod 400 is connected to the first curved rod 310, the driven rod 500 is connected to the second curved rod 310.
  • the distance from the first crank rod 310 connected to the main transmission rod 400 to the axis center of the crankshaft rod 340 is greater than the distance from the second crank rod 320 connected to the driven rod 500 to the axis center of the crankshaft rod 340 .
  • it can be set according to the usage scenario of the electric toothbrush.
  • a slot 430 is provided in the middle of the transmission main rod 400, and the first curved rod 310 is inserted into the slot. Inside hole 430.
  • a slot 430 is provided in the middle of the transmission main rod 400 so that when the resisting member 220 resists the transmission main rod 400, the first curved rod 310 will not be squeezed, and when the first curved rod 310 is transmitted, the transmission main rod 400 will be driven. Reciprocating motion.
  • the driven rod 500 includes a driven shaft 510 and a driven seat 520 connected to the bottom of the driven shaft 510.
  • the driven seat 520 is provided with a transverse slot 530, and the second crank rod 320 is inserted through the transverse slot. 530, the driven rod 500 is located in the transmission cavity 410.
  • the driven shaft 510 can be driven to reciprocate when the second crank rod 320 rotates.
  • the top of the driven rod 500 is provided with an external member 540 .
  • the external component 540 is provided on the top of the driven rod 500, mainly for connecting with the bristle plate transmission structure of the electric brush head 30, so as to facilitate the replacement of the electric brush head 30.
  • both the transmission main rod 400 and the driven rod 500 are made of stainless steel.
  • the transmission main rod 400 and the driven rod 500 can be made of a variety of materials. In this embodiment, they are made of stainless steel to increase the service life of the electric toothbrush transmission structure 10 and facilitate cleaning.
  • the height of the resisting member 220 is smaller than the depth of the U-shaped groove 420 .
  • the transmission main rod 400 will reciprocate driven by the first curved rod 310, that is, reciprocate relative to the resisting member 220, in order to ensure the stability of the resisting member 220 against the U-shaped groove 420, the height of the resisting member 220 Less than the depth of U-shaped groove 420.
  • the embodiment of the present invention also provides a multifunctional electric toothbrush 1.
  • the multifunctional electric toothbrush 1 includes a brush handle 20, a brush head 30 and an electric toothbrush transmission structure 10 as proposed in the above embodiment.
  • the electric toothbrush transmission structure 10 is located in the brush handle 20, and the brush head 30 is drivingly connected to the main transmission rod 400 and the driven rod 500.
  • the multifunctional electric toothbrush 1 includes a brush handle 20, a brush head 30 and an electric toothbrush transmission structure 10.
  • the electric brush head 30 is connected to the transmission main rod 400, and the driven rod 500 is connected to the bristle plate of the brush head 30.
  • the moving rod 500 drives the bristle plate to reciprocate clockwise or counterclockwise on the brush head 30.
  • the bristle plate can also rotate slightly while swinging.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
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Abstract

本发明公开了一种电动牙刷传动结构及多功能牙刷，涉及电动牙刷技术领域。其中，电动牙刷传动结构包括：驱动电机、齿轮组件、曲轴组件、传动主杆、从动杆和支撑架；其中，驱动电机、齿轮组件和曲轴组件均与支撑架连接，传动主杆开设有传动腔，从动杆穿设于传动腔内，驱动电机通过齿轮组件驱动曲轴组件转动，以使曲轴组件带动传动主杆和从动杆伸缩运动；传动主杆的底部与齿轮组件连接，齿轮组件还用于带动传动主杆左右摆动。以此解决了使用现有传动结构的电动牙刷对牙齿清洁时，刷头只能朝一个方向清洁牙齿，需要不断的转动刷柄；并且，清洁牙齿不同部位时，还需要不停地推拉刷柄，使用体验差的问题。

Description

一种电动牙刷传动结构及多功能电动牙刷 技术领域
本发明涉及电动牙刷技术领域，尤其涉及一种电动牙刷传动结构及多功能电动牙刷。
背景技术
使用传统的牙刷刷牙很难清除牙菌斑，若使用传统牙刷并采取不得当的方式刷牙时，传统牙刷的清洁作用会大打折扣，甚至会对牙龈和牙齿造成严重的损伤。随着科技的进步，人们对生活水平的要求不断提高，电动牙刷凭借其能够避免传统牙刷的危害，同时还为人们带来乐趣，逐渐得到了市场的认可。但是，使用现有传动结构的电动牙刷对牙齿清洁时，刷头只能朝一个方向清洁牙齿，需要不断的转动刷柄；并且，清洁牙齿不同部位时，还需要不停地推拉刷柄，使用体验差。
因此，需要对现有技术进行改进，提出更为合理的技术方案，解决现有技术存在的问题。
发明内容
为了解决使用现有传动结构的电动牙刷对牙齿清洁时，刷头只能朝一个方向清洁牙齿，需要不断的转动刷柄；并且，清洁牙齿不同部位时，还需要不停地推拉刷柄，使用体验差的问题。
第一方面的，本发明实施例提出了一种电动牙刷传动结构，包括：驱动电机、齿轮组件、曲轴组件、传动主杆、从动杆和支撑架；其中，
驱动电机、齿轮组件和曲轴组件均与支撑架连接，传动主杆开设有传动腔，从动杆穿设于传动腔内，驱动电机通过齿轮组件驱动曲轴组件转动，以使曲轴组件带动传动主杆和从动杆伸缩运动；传动主杆的底部与齿轮组件连接，齿轮组件还用于带动传动主杆左右摆动。
在一个可能的设计中，齿轮组件包括齿轮组、抵持件和驱动轴，抵持件和驱动轴分别与齿轮组传动连接，传动主杆底部设置有U型槽，抵持件设于U型槽的一侧或两侧， 齿轮组用于在驱动电机的作用下带动抵持件转动，传动主杆在抵持件的作用下左右摆动；驱动轴用于在驱动电机的作用下驱动曲轴组件转动，以使曲轴组件带动传动主杆和从动杆伸缩运动；驱动轴与曲轴组件传动连接。
在一个可能的设计中，曲轴组件包括第一曲杆、第二曲杆、传动啮合齿和两组曲轴杆，第一曲杆与第二曲杆连接，两组曲轴杆分别位于第一曲杆和第二曲杆的两侧，曲轴杆的两侧分别通过轴承与支撑架连接，传动啮合齿与驱动轴传动连接；
传动主杆与第一曲杆连接，从动杆与第二曲杆连接；或从动杆与第一曲杆连接，传动主杆与第二曲杆连接。
在一个可能的设计中，与传动主杆连接的第一曲杆到曲轴杆轴心的距离大于与从动杆连接的第二曲杆到曲轴杆轴心的距离。
在一个可能的设计中，传动主杆中部开设有槽孔，第一曲杆穿设于槽孔内。
在一个可能的设计中，从动杆包括从动轴和与从动轴底部连接的从动座，从动座开设有横向槽，第二曲杆穿设于横向槽内，从动杆设于传动腔内。
在一个可能的设计中，从动杆的顶部设置有外接件。
在一个可能的设计中，传动主杆和从动杆均由不锈钢材质制成。
在一个可能的设计中，抵持件的高度小于U型槽的深度。
第二方面，本发明实施例还提出了一种多功能电动牙刷，多功能电动牙刷包括刷柄、刷头和如上述实施例所提出的电动牙刷传动结构，电动牙刷传动结构设于刷柄内，刷头与传动主杆和从动杆传动连接。
综上所述，本发明公开了一种电动牙刷传动结构及多功能牙刷，涉及电动牙刷技术领域。其中，电动牙刷传动结构包括：驱动电机、齿轮组件、曲轴组件、传动主杆、从动杆和支撑架；其中，驱动电机、齿轮组件和曲轴组件均与支撑架连接，传动主杆开设有传动腔，从动杆穿设于传动腔内，驱动电机通过齿轮组件驱动曲轴组件转动，以使曲轴组件带动传动主杆和从动杆伸缩运动；传动主杆的底部与齿轮组件连接，齿轮组件还用于带动传动主杆左右摆动。驱动电机可以采用微型小功率驱动减速电机，如步进电机、空心杯电机、直流有刷电机或直流无刷电机等；支撑架用于固定驱动电机、齿轮组件和曲轴组件。传动主杆开设有传动腔，从动杆设于传动腔内，驱动电机驱动齿轮组件以带动曲轴组件转动，传动主杆和从动杆均与曲轴组件连接，在曲轴组件转动时，带动传动主杆和从动杆伸缩运动。其中，可以清楚的是，由于传动主杆和从动杆分别连接在曲轴组件的不同位置，传动主杆可以设置一个弧度或者弯角，使得从动杆穿设与传动腔内。 同时，传动主杆和从动杆可以连接在曲轴组件的不同位置，伸缩的幅度相同或不同，使得传动主杆和从动杆可以相对或同步运动。
传动主杆的顶端用于连接刷头，同时传动主杆的底部与齿轮组件传动连接，齿轮组件还用于带动传动主杆左右摆动，可使得与传动主杆连接的刷头在左右摆动的同时上下伸缩，提升了多功能电动牙刷的使用乐趣。并且，通过设置从动杆，从动杆可以与刷头的刷毛板连接，带动刷毛板在刷头上有规律的正时针或逆时针往复运动，通过使用电动牙刷传动结构设计的多功能电动牙刷，可以在刷牙时刷头摆动的同时，不光可以控制刷头的伸缩，刷毛板还能对刷毛的角度进行微调。以此解决了使用现有传动结构的电动牙刷对牙齿清洁时，刷头只能朝一个方向清洁牙齿，需要不断的转动刷柄；并且，清洁牙齿不同部位时，还需要不停地推拉刷柄，使用体验差的问题。
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，而可依照说明书的内容予以实施，并且为了让本发明的上述和其它目的、特征和优点能够更明显易懂，以下特举本发明的具体实施方式。
附图说明
通过阅读下文优选实施方式的详细描述，各种其它的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的，而并不认为是对本发明的限制。而且在整个附图中，用相同的参考符号表示相同的部件。在附图中：
图1为电动牙刷传动结构的结构示意图；
图2为传动主杆的结构示意图；
图3为从动杆的结构示意图；
图4为多功能电动牙刷的结构示意图；
图5为多功能电动牙刷的局部B放大图。
图标：10-电动牙刷传动结构；100-驱动电机；200-齿轮组件；300-曲轴组件；400-传动主杆；500-从动杆；600-支撑架；410-传动腔；210-齿轮组；220-抵持件；230-驱动轴；420-U型槽；310-第一曲杆；320-第二曲杆；330-传动啮合齿；340-曲轴杆；350-轴承；430-槽孔；510-从动轴；520-从动座；530-横向槽；540-外接件；1-多功能电动牙刷；20-刷柄；30-刷头。
具体实施方式
下面结合附图及具体实施例来对本发明作进一步阐述。在此需要说明的是，对于这些实施例方式的说明虽然是用于帮助理解本发明，但并不构成对本发明的限定。
请参阅图1至图5，为本发明实施例提出的一种电动牙刷传动结构10，包括：驱动电机100、齿轮组件200、曲轴组件300、传动主杆400、从动杆500和支撑架600。
其中，驱动电机100、齿轮组件200和曲轴组件300均与支撑架600连接，传动主杆400开设有传动腔410，从动杆500穿设于传动腔410内，驱动电机100通过齿轮组件200驱动曲轴组件300转动，以使曲轴组件300带动传动主杆400和从动杆500伸缩运动；传动主杆400的底部与齿轮组件200连接，齿轮组件200还用于带动传动主杆400左右摆动。
驱动电机100可以采用微型小功率驱动减速电机，如步进电机、空心杯电机、直流有刷电机或直流无刷电机等；支撑架600用于固定驱动电机100、齿轮组件200和曲轴组件300。传动主杆400开设有传动腔410，从动杆500设于传动腔410内，驱动电机100驱动齿轮组件200以带动曲轴组件300转动，传动主杆400和从动杆500均与曲轴组件300连接，在曲轴组件300转动时，带动传动主杆400和从动杆500伸缩运动。其中，可以清楚的是，由于传动主杆400和从动杆500分别连接在曲轴组件300的不同位置，传动主杆400可以设置一个弧度或者弯角，使得从动杆500穿设与传动腔410内。同时，传动主杆400和从动杆500可以连接在曲轴组件300的不同位置，伸缩的幅度相同或不同，使得传动主杆400和从动杆500可以相对或同步运动。
传动主杆400的顶端用于连接刷头30，同时传动主杆400的底部与齿轮组件200传动连接，齿轮组件200还用于带动传动主杆400左右摆动，可使得与传动主杆400连接的刷头30在左右摆动的同时上下伸缩，提升了多功能电动牙刷1的使用乐趣。并且，通过设置从动杆500，从动杆500可以与刷头30的刷毛板连接，带动刷毛板在刷头30上有规律的正时针或逆时针往复运动，通过使用电动牙刷传动结构10设计的多功能电动牙刷，可以在刷牙时刷头30摆动的同时，不光可以控制刷头30的伸缩，刷毛板还能对刷毛的角度进行微调。以此解决使用现有传动结构的电动牙刷对牙齿清洁时，刷头只能朝一个方向清洁牙齿，需要不断的转动刷柄；并且，清洁牙齿不同部位时，还需要不停地推拉刷柄，使用体验差的问题。
在一个可能的设计中，齿轮组件200包括齿轮组210、抵持件220和驱动轴230，抵持件220和驱动轴230分别与齿轮组210传动连接，传动主杆400底部设置有U型槽420，抵持件220设于U型槽420的一侧或两侧，齿轮组210用于在驱动电机100的作 用下带动抵持件220转动，传动主杆400在抵持件220的作用下左右摆动；驱动轴230用于在驱动电机100的作用下驱动曲轴组件300转动，以使曲轴组件300带动传动主杆400和从动杆500伸缩运动；驱动轴230与曲轴组件300传动连接。
本为了控制传动主杆400左右摆动，可以采用多种控制结构；本实施例中，传动主杆400的底部设置有U型槽420，抵持件220设于U型槽420的两侧，抵持件220在齿轮组210的带动下转动，抵持件220可以设置一个凸起以抵持U型槽420的一侧，使得U型槽420在凸起的抵持下摆动带动传动主杆400摆动。同时，齿轮组210还用于在驱动电机100的作用下带动抵持件220转动，以此曲轴组件300带动传动主杆400和从动杆500伸缩运动；可以清楚的是，驱动轴230与曲轴组件300传动连接，可以采用多种连接结构，例如斜齿轮啮合的形式传动。
在一个可能的设计中，曲轴组件300包括第一曲杆310、第二曲杆320、传动啮合齿330和两组曲轴杆340，第一曲杆310与第二曲杆320连接，两组曲轴杆340分别位于第一曲杆310和第二曲杆320的两侧，曲轴杆340的两侧分别通过轴承350与支撑架600连接，传动啮合齿330与驱动轴230传动连接；传动主杆400与第一曲杆310连接，从动杆500与第二曲杆320连接；或从动杆500与第一曲杆310连接，传动主杆400与第二曲杆320连接。
本实施例中，第一曲杆310和第二曲杆320连接，第一曲杆310和第二曲杆320到曲轴杆340轴心的距离可以相等或不同，曲轴杆340在转动时带动第一曲杆310和第二曲杆320绕曲轴杆340的轴心转动，带动传动主杆400和从动杆500往复运动。设置传动啮合齿330，主要是用于与驱动轴230传动连接，以使齿轮组210带动曲轴杆340转动；其中，设置两组曲轴杆340，主要起连接作用，曲轴杆340通过轴承350与支撑架600连接，保证可第一曲杆310和第二曲杆320转动时整体的稳定性。
在一个可能的设计中，与传动主杆400连接的第一曲杆310到曲轴杆340轴心的距离大于与从动杆500连接的第二曲杆320到曲轴杆340轴心的距离。
本实施例中，由于从动杆500运动带动刷毛板转动的幅度正常应小于传动主杆400的伸缩幅度，因此在传动主杆400与第一曲杆310连接，从动杆500与第二曲杆320连接时，传动主杆400连接的第一曲杆310到曲轴杆340轴心的距离大于与从动杆500连接的第二曲杆320到曲轴杆340轴心的距离。具体实施时，可以根据电动牙刷的使用场景设置。
在一个可能的设计中，传动主杆400中部开设有槽孔430，第一曲杆310穿设于槽 孔430内。
传动主杆400中部开设槽孔430，以便于在抵持件220抵持传动主杆400时，不会挤压第一曲杆310，并且在第一曲杆310传动时，带动传动主杆400往复运动。
在一个可能的设计中，从动杆500包括从动轴510和与从动轴510底部连接的从动座520，从动座520开设有横向槽530，第二曲杆320穿设于横向槽530内，从动杆500设于传动腔410内。
通过设置横向槽530，第二曲杆320穿设于横向槽530内，可以在第二曲杆320转动时带动从动轴510往复运动。
在一个可能的设计中，从动杆500的顶部设置有外接件540。
从动杆500的顶部设置外接件540，主要是为了与电动刷头30的刷毛板传动结构连接，便于电动刷头30的更换。
在一个可能的设计中，传动主杆400和从动杆500均由不锈钢材质制成。
传动主杆400和从动杆500可以采用多种材质制成，本实施例中采用不锈钢材质制成，以增加电动牙刷传动结构10的使用寿命，便于清洁。
在一个可能的设计中，抵持件220的高度小于U型槽420的深度。
由于传动主杆400会在第一曲杆310的带动下往复运动，即相对于抵持件220往复运动，为了保证抵持件220抵持U型槽420的稳定性，抵持件220的高度小于U型槽420的深度。
第二方面，本发明实施例还提出了一种多功能电动牙刷1，多功能电动牙刷1包括刷柄20、刷头30和如上述实施例所提出的电动牙刷传动结构10，电动牙刷传动结构10设于刷柄20内，刷头30与传动主杆400和从动杆500传动连接。
本实施例中，多功能电动牙刷1包括刷柄20、刷头30和电动牙刷传动结构10，电动刷头30与传动主杆400连接，从动杆500与刷头30的刷毛板连接，从动杆500带动刷毛板在刷头30上正时针或逆时针往复旋转，使用多功能电动牙刷1时，刷头30伸缩的过程中，刷毛板摆动的同时还可以轻微的转动。
总之，以上所述仅为本发明的较佳实施例而已，并非用于限定本发明的保护范围。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种电动牙刷传动结构，其特征在于，包括：驱动电机、齿轮组件、曲轴组件、传动主杆、从动杆和支撑架；其中，
    所述驱动电机、齿轮组件和曲轴组件均与所述支撑架连接，所述传动主杆开设有传动腔，所述从动杆穿设于所述传动腔内，所述驱动电机通过所述齿轮组件驱动所述曲轴组件转动，以使所述曲轴组件带动所述传动主杆和从动杆伸缩运动；所述传动主杆的底部与所述齿轮组件连接，所述齿轮组件还用于带动所述传动主杆左右摆动。
  2. 根据权利要求1所述的电动牙刷传动结构，其特征在于，
    所述齿轮组件包括齿轮组、抵持件和驱动轴，所述抵持件和所述驱动轴分别与所述齿轮组传动连接，所述传动主杆底部设置有U型槽，所述抵持件设于所述U型槽的一侧或两侧，所述齿轮组用于在所述驱动电机的作用下带动所述抵持件转动，所述传动主杆在所述抵持件的作用下左右摆动；所述驱动轴用于在所述驱动电机的作用下驱动所述曲轴组件转动，以使所述曲轴组件带动所述传动主杆和从动杆伸缩运动；所述驱动轴与所述曲轴组件传动连接。
  3. 根据权利要求2所述的电动牙刷传动结构，其特征在于，所述曲轴组件包括第一曲杆、第二曲杆、传动啮合齿和两组曲轴杆，所述第一曲杆与第二曲杆连接，两组所述曲轴杆分别位于所述第一曲杆和第二曲杆的两侧，所述曲轴杆的两侧分别通过轴承与所述支撑架连接，所述传动啮合齿与所述驱动轴传动连接；
    所述传动主杆与所述第一曲杆连接，所述从动杆与所述第二曲杆连接；或所述从动杆与所述第一曲杆连接，所述传动主杆与所述第二曲杆连接。
  4. 根据权利要求3所述的电动牙刷传动结构，其特征在于，与所述传动主杆连接的第一曲杆到所述曲轴杆轴心的距离大于与所述从动杆连接的第二曲杆到所述曲轴杆轴心的距离。
  5. 根据权利要求4所述的电动牙刷传动结构，其特征在于，所述传动主杆中部开设有槽孔，所述第一曲杆穿设于所述槽孔内。
  6. 根据权利要求4所述的电动牙刷传动结构，其特征在于，所述从动杆包括从动轴和与所述从动轴底部连接的从动座，所述从动座开设有横向槽，所述第二曲杆穿设于所述横向槽内，所述从动杆设于所述传动腔内。
  7. 根据权利要求4所述的电动牙刷传动结构，其特征在于，所述从动杆的顶部设 置有外接件。
  8. 根据权利要求4所述的电动牙刷传动结构，其特征在于，所述传动主杆和从动杆均由不锈钢材质制成。
  9. 根据权利要求2所述的电动牙刷传动结构，其特征在于，所述抵持件的高度小于所述U型槽的深度。
  10. 一种多功能电动牙刷，其特征在于，所述多功能电动牙刷包括刷柄、刷头和如权利要求1至9任一项所述的电动牙刷传动结构，所述电动牙刷传动结构设于所述刷柄内，所述刷头分别与所述传动主杆和从动杆传动连接。
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