WO2021120016A1 - 电动声波牙刷及电动牙刷 - Google Patents
电动声波牙刷及电动牙刷 Download PDFInfo
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- WO2021120016A1 WO2021120016A1 PCT/CN2019/126091 CN2019126091W WO2021120016A1 WO 2021120016 A1 WO2021120016 A1 WO 2021120016A1 CN 2019126091 W CN2019126091 W CN 2019126091W WO 2021120016 A1 WO2021120016 A1 WO 2021120016A1
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- pump
- sonic
- electric
- liquid
- housing
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Classifications
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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
- A61C17/20—Power-driven cleaning or polishing devices using ultrasonics
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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
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
Definitions
- the invention relates to the field of toothbrushes, and more specifically, to an electric sonic toothbrush.
- Electric toothbrushes in the related art usually remove stains on teeth by means of high-frequency vibrations. Compared with traditional manual toothbrushes, this kind of toothbrush has a better cleaning effect. However, the traditional method of applying toothpaste is still used when applying toothpaste, which brings inconvenience to users.
- the technical problem to be solved by the present invention is to provide an improved electric sonic toothbrush.
- the technical solution adopted by the present invention to solve its technical problem is to construct an electric sonic toothbrush, including a host and a reservoir connected to the host, the host including a housing and a sonic motor and a sonic motor arranged in the housing.
- a pump, the sonic motor includes a central shaft for installing a brush head and outputting sonic vibration, and the liquid inlet of the pump is in communication with the reservoir to suck the liquid in the reservoir; the center
- the shaft includes an axially penetrating liquid guide hole, the liquid guide hole communicates with the liquid outlet of the pump, so as to deliver the liquid from the pump to the brush head.
- the reservoir is detachably connected to the host.
- the pressure of the pump is less than 20 psi.
- the pump is a diaphragm pump, and the pressure of the pump is 5-15 psi.
- the electric sonic toothbrush further includes a brush head connected to the central shaft, and the brush head includes a rod portion mounted on the central shaft and bristles connected to the rod portion.
- the rod includes a central through hole communicating with the liquid guiding hole, and the brush head further comprises a liquid outlet hole communicating with the central through hole and the bristles.
- the rod is detachably mounted on the central shaft.
- the housing is cylindrical, the sonic motor and the pump are installed in the housing along the axial direction, the sonic motor is arranged at a position close to the front end of the housing, and the pump It is arranged at a position close to the rear end of the housing; the liquid outlet of the pump is arranged at the end of the pump adjacent to the sonic motor.
- the liquid outlet is communicated with the central axis of the sonic motor through a pipe.
- the electric sonic toothbrush includes a rechargeable battery, and the rechargeable battery is arranged in the housing and arranged side by side with the pump.
- the electric sonic toothbrush includes a bracket arranged in the housing, and the sonic motor and the pump are arranged in the bracket.
- An electric toothbrush which includes a host and a reservoir connected to the host.
- the host includes a housing and a motor and a pump arranged in the housing.
- the motor includes a central shaft, and the pump includes a The liquid inlet communicated with the reservoir; the central shaft includes an axially penetrating liquid guide hole, the liquid guide hole communicates with the liquid outlet of the pump, so that the liquid from the pump Delivered to the brush head.
- the reservoir is detachably connected to the host.
- the pressure of the pump is less than 20 psi.
- the pump is a diaphragm pump, and the pressure of the pump is 5-15 psi.
- the motor is a sonic motor
- the central shaft is used to output sonic vibration
- the electric toothbrush further includes a brush head connected to the central shaft, and the brush head includes a brush head mounted on the central shaft.
- the bristles connected to the stem the stem includes a central through hole that communicates with the liquid conducting hole, and the brush head also includes a central through hole that communicates with the bristles ⁇ The outlet hole.
- the rod is detachably mounted on the central shaft.
- the housing is cylindrical, the sonic motor and the pump are installed in the housing along the axial direction, the sonic motor is arranged at a position close to the front end of the housing, and the pump It is arranged at a position close to the rear end of the housing; the liquid outlet of the pump is arranged at the end of the pump adjacent to the sonic motor.
- the liquid outlet is communicated with the central axis of the sonic motor through a pipe.
- the electric sonic toothbrush includes a rechargeable battery, and the rechargeable battery is arranged in the housing and arranged side by side with the pump.
- the electric sonic toothbrush includes a bracket arranged in the housing, and the sonic motor and the pump are arranged in the bracket.
- the electric sonic toothbrush or electric toothbrush uses the central shaft of the motor as a liquid conveying pipe for liquid toothpaste, etc., which simplifies the liquid conveying structure of the electric sonic toothbrush, improves the reliability, and reduces the overall size.
- Fig. 1 is a schematic diagram of a three-dimensional structure of an electric sonic toothbrush in some embodiments of the present invention
- FIG. 2 is a schematic diagram of a three-dimensional exploded structure of the electric sonic toothbrush shown in FIG. 1;
- FIG. 3 is a schematic diagram of a longitudinal cross-sectional structure of the electric sonic toothbrush shown in FIG. 1;
- Fig. 4 is a three-dimensional exploded structural diagram of the main body of the electric sonic toothbrush shown in Fig. 1.
- FIGS 1 to 3 show an electric sonic toothbrush 1 in some embodiments of the present invention.
- the electric sonic toothbrush 1 can clean teeth by ultrasonic vibration and can automatically produce liquid toothpaste.
- the electric sonic toothbrush 1 may include a cylindrical main body 10 that can be held by hand, a brush head 20 detachably installed on the front end of the main body 10, and a reservoir 30 detachably installed on the rear end of the main body 10.
- the front end of the cylindrical host 10 can output ultrasonic vibration and transmit the vibration to the brush head 20 mounted on it, so that the ultrasonic vibration of the brush head 20 can clean the teeth of the user.
- the reservoir 30 is used to store liquid toothpaste, and the host 10 can deliver the liquid toothpaste in the reservoir 30 to the brush head to realize the function of automatically dispensing toothpaste. Understandably, the electric sonic toothbrush 1 is not limited to delivering liquid toothpaste, and it can also deliver liquid medicines and the like.
- the host 10 in some embodiments may include a cylindrical housing 11 and a sonic motor 12 and a pump 13 axially arranged in the housing 11, wherein the sonic motor 12 is arranged near the front end of the host 10.
- the pump 13 is arranged at a position close to the rear end of the host 10, and the two are connected to conduct liquid.
- the liquid toothpaste extracted from the reservoir 30 by the pump 13 can be transmitted 12 to the brush head 20 via the sonic motor.
- the host 10 in some embodiments may also include a bracket 14 for installing the sonic motor 12 and the pump 13, a main board 15 installed on the bracket 14, a front end cover 16 installed at the front end of the housing 11, and a rear end of the housing 11.
- the lower end of the back end cover 17 has an opening 170, and an internal thread is formed on the inner wall of the opening to be screwed with the reservoir 30.
- the battery 18 and the pump 13 are arranged side by side.
- the main board 15 is used to arrange a control circuit to control the operation of the entire electric sonic toothbrush 1.
- the sonic motor 12 may include a motor main body 121, a central shaft 122 passing through the motor main body 121, and a sealing sleeve 123 sleeved on the central shaft 122.
- the central shaft 122 The motor main body 121 is exposed at both ends, and has a longitudinal liquid guiding hole 1220.
- the sonic motor 12 can be improved on the basis of the magnetic vibration motor described in Chinese Patent No. 201821082271.6 in some embodiments, that is, a longitudinal liquid guiding hole 1220 is formed on the central axis of the magnetic vibration motor, In order to allow the central shaft 122 to have the function of outputting vibrations, it can also transport liquids. On the one hand, the structure complexity of the electric sonic toothbrush 1 is reduced and the structural reliability is improved. On the other hand, the volume of the entire electric sonic toothbrush 1 is effectively reduced, which is convenient User's use and carrying.
- the pump 13 may adopt a micro diaphragm pump in some embodiments to output a constant pulseless jet.
- the pump 13 may include a pump main body 130 and a liquid inlet 131 and a liquid outlet 132 respectively connected to the pump main body 130.
- the liquid inlet 131 can communicate with the reservoir 30 through the first conduit 133, and the liquid outlet 132 can be
- the second conduit 134 communicates with the liquid guiding hole 1220 of the central shaft 122 of the sonic motor 12.
- the specific structure of the pump 13 can be referred to US Patent Application Publication No. US20190008618A1.
- the pressure of the pump 13 is less than 20 psi in some embodiments, so as to reduce the power consumption as much as possible on the basis of automatic injection of liquid toothpaste, so as to increase the use time of the battery, or, under the same circumstances, to reduce the volume of the battery as much as possible .
- the pressure range of the pump 13 is 5-15 psi.
- the brush head 20 may include a rod 21 detachably sleeved on a sealing sleeve 123 on the central shaft 122 of the sonic motor 12, and bristles 22 provided at the end of the rod 21.
- the rod 21 has a central connection.
- the central through hole 210 communicates with the liquid guiding hole 1220 of the central shaft 122 of the sonic motor 12.
- the brush head 20 also includes a liquid outlet hole 220 connecting the central through hole 210 and the bristles 22 to allow toothpaste to be sprayed onto the bristles 22.
- the brush head 20 may also be provided with a foam generating structure, so that the liquid toothpaste is foamy when it is output.
- the reservoir 30 includes a main body portion 31 and a neck portion 32 disposed above the main body portion 31.
- the outer wall surface of the neck portion 32 is formed with an external thread 321 to be screwed to the main body 10.
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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)
- Brushes (AREA)
Abstract
一种电动声波牙刷（1），包括主机（10）以及与主机（10）相连接的储液器（30），主机（10）包括壳体（11）以及设置于壳体（11）内的声波马达（12）和泵（13），声波马达（12）包括用于安装刷头（20）并输出声波振动的中心轴（122），泵（13）的进液口（131）与储液器（30）相连通，以吸取储液器（30）中的液体；中心轴（122）包括一个轴向贯通的导液孔（1220），导液孔（1220）与泵（13）的出液口（132）相连通，以将来自泵（13）的液体输送给刷头（20）。电动声波牙刷（1）利用声波马达（12）的中心轴（122）作为液体输送管道，简化了电动声波牙刷（1）的液体输送结构，提升了可靠性，降低了整体尺寸。
Description
本发明涉及牙刷领域，更具体地说，涉及一种电动声波牙刷。
相关技术中的电动牙刷，通常都是通过高频振动的形式去除牙齿上的污渍，这种牙刷相比传统的手动牙刷具有更好的洁牙效果。但是，涂牙膏时仍然采用的是传统的涂牙膏的方法，给用户带来了不便。
本发明要解决的技术问题在于，提供一种改进的电动声波牙刷。
本发明解决其技术问题所采用的技术方案是：构造一种电动声波牙刷，包括主机以及与该主机相连接的储液器，所述主机包括壳体以及设置于所述壳体内的声波马达和泵，所述声波马达包括用于安装刷头并输出声波振动的中心轴，所述泵的进液口与所述储液器相连通，以吸取所述储液器中的液体；所述中心轴包括一个轴向贯通的导液孔，所述导液孔与所述泵的出液口相连通，以将来自所述泵的液体输送给所述刷头。
在一些实施例中，所述储液器与所述主机可拆卸地相连接。
在一些实施例中，所述泵的压力小于20psi。
在一些实施例中，所述泵为隔膜泵，所述泵的压力为5~15psi。
在一些实施例中，该电动声波牙刷还包括与所述中心轴相连接的刷头，所述刷头包括安装于所述中心轴上的杆部以及连接于该杆部上的刷毛，所述杆部包括与所述导液孔相连通的中心通孔，所述刷头还包括将所述中心通孔与所述刷毛相连通的出液孔。
在一些实施例中，所述杆部可拆卸地安装于所述中心轴上。
在一些实施例中，所述壳体呈筒状，所述声波马达和所述泵沿轴向安装于该壳体中，所述声波马达设置于靠近所述壳体前端的位置，所述泵设置于靠近壳体后端的位置；所述泵的出液口布置于所述泵与所述声波马达相邻的端部。
在一些实施例中，所述出液口与所述声波马达的中心轴通过导管相连通。
在一些实施例中，该电动声波牙刷包括可充电电池，所述可充电电池设置于所述壳体内，并与所述泵呈并排布置。
在一些实施例中，该电动声波牙刷包括设置于所述壳体内的支架，所述声波马达和所述泵设置于该支架中。
还提供一种电动牙刷，包括主机以及与该主机相连接的储液器，所述主机包括壳体以及设置于所述壳体内的马达和泵，所述马达包括中心轴，所述泵包括与所述储液器相连通的进液口；所述中心轴包括一个轴向贯通的导液孔，所述导液孔与所述泵的出液口相连通，以将来自所述泵的液体输送给所述刷头。
在一些实施例中，所述储液器与所述主机可拆卸地相连接。
在一些实施例中，所述泵的压力小于20psi。
在一些实施例中，所述泵为隔膜泵，所述泵的压力为5~15psi。
在一些实施例中，所述马达为声波马达，所述中心轴用于输出声波振动；该电动牙刷还包括与所述中心轴相连接的刷头，所述刷头包括安装于所述中心轴上的杆部以及连接于该杆部上的刷毛，所述杆部包括与所述导液孔相连通的中心通孔，所述刷头还包括将所述中心通孔与所述刷毛相连通的出液孔。
在一些实施例中，所述杆部可拆卸地安装于所述中心轴上。
在一些实施例中，所述壳体呈筒状，所述声波马达和所述泵沿轴向安装于该壳体中，所述声波马达设置于靠近所述壳体前端的位置，所述泵设置于靠近壳体后端的位置；所述泵的出液口布置于所述泵与所述声波马达相邻的端部。
在一些实施例中，所述出液口与所述声波马达的中心轴通过导管相连通。
在一些实施例中，该电动声波牙刷包括可充电电池，所述可充电电池设置于所述壳体内，并与所述泵呈并排布置。
在一些实施例中，该电动声波牙刷包括设置于所述壳体内的支架，所述声波马达和所述泵设置于该支架中。
该电动声波牙刷或电动牙刷利用马达的中心轴作为液体牙膏等液体输送管道，简化了电动声波牙刷的液体输送结构，提升了可靠性，降低了整体尺寸。
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是本发明一些实施例中的电动声波牙刷的立体结构示意图；
图2是图1所示电动声波牙刷的立体分解结构示意图；
图3是图1所示电动声波牙刷的纵向剖面结构示意图；
图4是图1所示电动声波牙刷的主机的立体分解结构示意图。
为了对本发明的技术特征、目的和效果有更加清楚的理解，现对照附图详细说明本发明的具体实施方式。以下描述中，需要理解的是，“前”、“后”、“上”、“下”、“左”、“右”、“纵”、“横”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“头”、“尾”等指示的方位或位置关系为基于附图所示的方位或位置关系、以特定的方位构造和操作，仅是为了便于描述本技术方案，而不是指示所指的装置或元件必须具有特定的方位，因此不能理解为对本发明的限制。
图1至图3示出了本发明一些实施例中的电动声波牙刷1，该电动声波牙刷1可藉由超声波振动进行牙齿的清洁，同时可以自动出液体牙膏的功能。该电动声波牙刷1在一些实施例中可包括可手握的柱状主机10、可拆卸地安装于主机10前端的刷头20以及可拆卸地安装于主机10后端的储液器30。该柱状主机10的前端可输出超声波振动，并将振动传递给安装其上的刷头20，以藉由刷头20的超声波振动实现使用者牙齿的清洁。该储液器30用于存储液体牙膏，该主机10可将该储液器30中的液体牙膏输送至刷头，以实现自动出牙膏的功能。可以理解地，该电动声波牙刷1并不局限于输送液体牙膏，其也可以输送液体药物等。
一同参阅图4，主机10在一些实施例中可包括筒状壳体11以及沿轴向设置于壳体11内的声波马达12和泵13，其中，声波马达12设置于靠近主机10前端的位置，泵13设置于靠近主机10后端的位置，且两者导液相连，以泵13从储液器30抽取的液体牙膏能够经由声波马达传12递给刷头20。
主机10在一些实施例中还可包括用于安装声波马达12和泵13的支架14、安装于支架14上的主板15、安装于壳体11前端的前端盖16、安装于壳体11后端的后端盖17、安装于支架14上的可充电电池18以及安装于壳体11上并与电池18电性连接的充电接头19。后端盖17下端具有一个开口170，该开口的内壁面形成有内螺纹，以与储液器30相螺接。在一些实施例中，为了节省安装空间，电池18与泵13呈并排布置。主板15用于布置控制电路，以控制整个电动声波牙刷1的运行。
再如图3所示，声波马达12在一些实施例中可包括马达主体121、穿设于该马达主体121中的中心轴122以及套设于中心轴122上的密封套123，该中心轴122两端分别露出该马达主体121，并具有纵向的导液孔1220。声波马达12在一些实施例中可采用中国专利第201821082271.6号中记载的磁力振动马达的基础上改进而成，也就是说，在该磁力振动马达的中心轴上形成一个纵向的导液孔1220，以让中心轴122在具有输出振动功能的同时，还可以输送液体，以一个方面降低电动声波牙刷1的结构复杂度，提升结构可靠性，另一方面有效减少整个电动声波牙刷1的体积，方便用户的使用和携带。
泵13在一些实施例可采用微型隔膜泵，以输出恒定无脉冲射流。泵13可包括泵主体130以及分别与该泵主体130相连接的进液口131和出液口132，进液口131可通过第一导管133与储液器30相连通，出液口132可通过第二导管134与声波马达12的中心轴122的导液孔1220相连通。泵13的具体结构可参阅美国专利申请公开第US20190008618A1号。泵13的压力在一些实施例中小于20psi，以在满足自动喷射液体牙膏的基础上，尽可能地降低功耗，以增加电池的使用时间，或者，同等情况下，尽可能地减少电池的体积。在一些实施例中，泵13的压力范围为5~15psi。
刷头20在一些实施例中可包括可拆卸地套设于声波马达12的中心轴122上的密封套123上的杆部21以及设置于杆部21末端的刷毛22，杆部21具有中心通孔210，该中心通孔210与声波马达12的中心轴122的导液孔1220相连通。刷头20还包括将中心通孔210与刷毛22相连通出液孔220，以让牙膏喷洒到刷毛22上。在一些实施例中，刷头20上还可设置泡沫生成结构，以让液体牙膏输出时呈泡沫状。
储液器30在一些实施例中包括主体部31以及设置于主体部31上方的颈部32，颈部32的外壁面形成有外螺纹321，以与主机10相螺接。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。
Claims (20)
- 一种电动声波牙刷，包括主机以及与该主机相连接的储液器，所述主机包括壳体以及设置于所述壳体内的声波马达和泵，所述声波马达包括用于安装刷头并输出声波振动的中心轴，所述泵包括与所述储液器相连通的进液口；其特征在于，所述中心轴包括一个轴向贯通的导液孔，所述导液孔与所述泵的出液口相连通，以将来自所述泵的液体输送给所述刷头。
- 根据权利要求1所述的电动声波牙刷，其特征在于，所述储液器与所述主机可拆卸地相连接。
- 根据权利要求1所述的电动声波牙刷，其特征在于，所述泵的压力小于20psi。
- 根据权利要求3所述的电动声波牙刷，其特征在于，所述泵为隔膜泵，所述泵的压力为5~15psi。
- 根据权利要求1至4任一项所述的电动声波牙刷，其特征在于，该电动声波牙刷还包括与所述中心轴相连接的刷头，所述刷头包括安装于所述中心轴上的杆部以及连接于该杆部上的刷毛，所述杆部包括与所述导液孔相连通的中心通孔，所述刷头还包括将所述中心通孔与所述刷毛相连通的出液孔。
- 根据权利要求5所述的电动声波牙刷，其特征在于，所述杆部可拆卸地安装于所述中心轴上。
- 根据权利要求1至4任一项所述的电动声波牙刷，其特征在于，所述壳体呈筒状，所述声波马达和所述泵沿轴向安装于该壳体中，所述声波马达设置于靠近所述壳体前端的位置，所述泵设置于靠近壳体后端的位置；所述泵的出液口布置于所述泵与所述声波马达相邻的端部。
- 根据权利要求7所述的电动声波牙刷，其特征在于，所述出液口与所述声波马达的中心轴通过导管相连通。
- 根据权利要求1至4任一项所述的电动声波牙刷，其特征在于，该电动声波牙刷包括可充电电池，所述可充电电池设置于所述壳体内，并与所述泵呈并排布置。
- 根据权利要求1至4任一项所述的电动声波牙刷，其特征在于，该电动声波牙刷包括设置于所述壳体内的支架，所述声波马达和所述泵设置于该支架中。
- 一种电动牙刷，包括主机以及与该主机相连接的储液器，所述主机包括壳体以及设置于所述壳体内的马达和泵，所述马达包括中心轴，所述泵包括与所述储液器相连通的进液口；其特征在于，所述中心轴包括一个轴向贯通的导液孔，所述导液孔与所述泵的出液口相连通，以将来自所述泵的液体输送给所述刷头。
- 根据权利要求11所述的电动牙刷，其特征在于，所述储液器与所述主机可拆卸地相连接。
- 根据权利要求11所述的电动牙刷，其特征在于，所述泵的压力小于20psi。
- 根据权利要求13所述的电动牙刷，其特征在于，所述泵为隔膜泵，所述泵的压力为5~15psi。
- 根据权利要求11至14任一项所述的电动牙刷，其特征在于，所述马达为声波马达，所述中心轴用于输出声波振动；该电动牙刷还包括与所述中心轴相连接的刷头，所述刷头包括安装于所述中心轴上的杆部以及连接于该杆部上的刷毛，所述杆部包括与所述导液孔相连通的中心通孔，所述刷头还包括将所述中心通孔与所述刷毛相连通的出液孔。
- 根据权利要求15所述的电动牙刷，其特征在于，所述杆部可拆卸地安装于所述中心轴上。
- 根据权利要求11至14任一项所述的电动牙刷，其特征在于，所述壳体呈筒状，所述声波马达和所述泵沿轴向安装于该壳体中，所述声波马达设置于靠近所述壳体前端的位置，所述泵设置于靠近壳体后端的位置；所述泵的出液口布置于所述泵与所述声波马达相邻的端部。
- 根据权利要求17所述的电动牙刷，其特征在于，所述出液口与所述声波马达的中心轴通过导管相连通。
- 根据权利要求11至14任一项所述的电动牙刷，其特征在于，该电动声波牙刷包括可充电电池，所述可充电电池设置于所述壳体内，并与所述泵呈并排布置。
- 根据权利要求11至14任一项所述的电动牙刷，其特征在于，该电动声波牙刷包括设置于所述壳体内的支架，所述声波马达和所述泵设置于该支架中。
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