WO2023082890A1 - 用于清洁护理用具的开关组件及清洁护理用具 - Google Patents

用于清洁护理用具的开关组件及清洁护理用具 Download PDF

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Publication number
WO2023082890A1
WO2023082890A1 PCT/CN2022/122961 CN2022122961W WO2023082890A1 WO 2023082890 A1 WO2023082890 A1 WO 2023082890A1 CN 2022122961 W CN2022122961 W CN 2022122961W WO 2023082890 A1 WO2023082890 A1 WO 2023082890A1
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WO
WIPO (PCT)
Prior art keywords
switch
cleaning
rocker
arm
care appliance
Prior art date
Application number
PCT/CN2022/122961
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English (en)
French (fr)
Inventor
戴晓国
徐振武
Original Assignee
上海携福电器有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海携福电器有限公司 filed Critical 上海携福电器有限公司
Priority to EP22891691.2A priority Critical patent/EP4432322A1/en
Priority to CA3237777A priority patent/CA3237777A1/en
Publication of WO2023082890A1 publication Critical patent/WO2023082890A1/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
    • A61C17/221—Control arrangements therefor
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/04—Cases; Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/12—Movable parts; Contacts mounted thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/12—Movable parts; Contacts mounted thereon
    • H01H23/16—Driving mechanisms

Definitions

  • the invention relates to cleaning and care appliances such as electric toothbrushes, and in particular to a switch assembly in the cleaning and care appliances.
  • the switch part on the handle housing is formed of elastic material, such as TPE, and the actuatable switch device is arranged under the elastic material.
  • the switch device can be activated when the user presses the switch part with force to deform the elastic material.
  • the switch device can be installed on the circuit board, or the switch device can be arranged separately and connected to the power supply through wires.
  • the switch assembly with the elastic material and the switch device ensures that the switch part of the cleaning and care appliance can have a waterproof structure, which is especially beneficial for electric appliances with waterproof requirements such as electric toothbrushes and dental flossers.
  • switch device can only be installed directly under the switch part made of elastic material.
  • the switch part needs to match the installation position of the switch device inside the handle, and the flexibility of the switch part is not enough.
  • the switch device inside the handle is arranged at a position away from the motor or battery, and additional wires are needed for electrical connection, which leads to the complexity of the internal electrical structure of the appliance.
  • the switch assembly of the electric cleaning care appliance can be improved, avoiding the use of redundant wires to connect the switch devices, and improving the flexibility of the position layout of the row of switch devices inside the handle of the electric cleaning care appliance.
  • the present invention provides a switch assembly for cleaning and nursing appliances, including: a switch, the switch is used to switch the cleaning and nursing appliances; a switch rocker, the switch The rocker has a far end and a proximal end, and the switch is arranged under the far end of the switch rocker so that the switch rocker can operably trigger the switch, wherein the rocker has a small arm, a large an arm and a pivot between the small arm and a large arm, the large arm having a length greater than the length of the small arm, the large arm including the distal end; the switch assembly further comprising means for holding A first holding portion of the pivot portion of the switch rocker and a second holding portion for holding the proximal end of the switch rocker, the second holding portion holds the small arm away from the pivot part, so that when no pressing force acts on the switch seesaw, the small arm of the switch seesaw is bent and deformed to be in a pre-tightened state, and at the same time, the switch seesaw
  • the switch is equipped with an elastic member, and the elastic force generated by the elastic member acts on the large arm of the switch rocker, and the second moment generated by the elastic force around the pivot part is different from the second moment generated by the elastic member.
  • the direction of the first moment is the same.
  • the large arm of the switch rocker defines a pressing portion between the pivoting portion and the switch, on which pressing portion an external force for actuating the switch assembly can act.
  • the switch assembly includes a switch part located on the housing of the cleaning and care appliance, the switch part is made of an elastic material suitable for deformation, and the switch part is aligned with the pressing part.
  • the first holding part is arranged on a component that is stationary relative to the shell of the cleaning and care appliance, wherein the first holding part includes a pair of U-shaped grooves located inside the cleaning and care appliance, so
  • the pivoting part includes a pair of shaft parts, and the shaft parts are respectively accommodated in the corresponding U-shaped grooves.
  • the second holding part is arranged on a component that is stationary relative to the housing of the cleaning and care appliance, and the second holding part includes a fixed part inside the cleaning and care appliance. an opening, and the free end of the small arm is inserted into and held in the opening. Openings can be blind or through holes
  • the switch is mounted on a circuit board inside the cleaning tool.
  • the present invention also provides an electric cleaning and care appliance, comprising: a casing, the casing forms an elongated accommodating cavity, and the accommodating cavity is arranged with a battery and a driving device along the longitudinal direction;
  • the switch assembly as described above; wherein, the switch rocker of the switch assembly is arranged substantially parallel to the longitudinal direction.
  • the switch of the switch assembly is installed on a circuit board, the circuit board is arranged between the battery and the motor of the driving device, and the circuit board is fixed on On the frame, the circuit board is respectively connected to at least one electrode of the motor and at least one electrode of the power supply.
  • a gear box accommodating at least a part of the driving device and a gear box cover attached to the gear box are provided inside the housing, and the first holding part is provided at On the gear box, the second holding part is arranged on the gear box cover.
  • the switch part is located approximately at the proximal end of the drive unit or where the drive unit and transmission unit are engaged, and the switch can be fixed directly to a circuit board located away from this position, eliminating the need for long wires to connect the switch or the circuit board on which the switch is mounted to the battery, Therefore, the internal layout of the electric toothbrush is made more compact, and the installation process of various device components inside the electric toothbrush is also simplified.
  • FIG. 1 is a perspective view showing an electric toothbrush according to a preferred embodiment of the present invention.
  • Fig. 2 is a perspective view showing the internal structure of the electric toothbrush shown in Fig. 1 according to a preferred embodiment of the present invention.
  • Fig. 3 is another perspective view showing the internal structure of the electric toothbrush shown in Fig. 1 according to a preferred embodiment of the present invention, wherein the gear box is removed to show the internal transmission mechanism.
  • FIG. 4 is another perspective view showing the internal structure of the electric toothbrush shown in FIG. 1 according to a preferred embodiment of the present invention, with the battery removed.
  • Fig. 5 is a schematic diagram showing force analysis of the switch rocker of the switch assembly according to a preferred embodiment of the present invention.
  • Fig. 6 is a side view showing the installation and cooperation state of the switch assembly and the gear box according to the preferred embodiment of the present invention.
  • an electric toothbrush is taken as a typical example of a personal cleaning and care appliance, and an exemplary embodiment of the present invention is described in more detail with reference to the accompanying drawings.
  • the present invention is not limited thereto.
  • the present invention is also applicable to electric shavers, electric facial cleansers, electric showers and other cleaning and care appliances that can provide cleaning action through the driving device.
  • nasal end/near side refers to the end or side of the position where the cleaning force acts close to the cleaning care appliance when it is used
  • far end/far side refers to the end or side where the cleaning force acts far away from the cleaning and care appliance when it is used.
  • Fig. 1 shows a perspective view of the appearance of a cleaning and care appliance according to a preferred embodiment of the present invention.
  • the cleaning and care tool shown in Figure 1 is an electric toothbrush, which mainly includes a handle 1 suitable for holding with one hand and a brush head 2 detachably mounted on the handle 1, and the handle 1 and the brush head 2 are along the longitudinal direction of the electric toothbrush as a whole Arranged next to each other.
  • the brush head 2 is provided with a plurality of cleaning elements 4, such as bristles.
  • the handle 1 includes a handle housing 21 and various functional components installed in the handle housing 21 .
  • the electric toothbrush has a roughly elongated cylindrical handle housing 21 , and a switch portion 3 is provided in the middle of the handle housing 21 .
  • the switch part 3 includes a diaphragm made of elastic material, which can be roughly circular or oval, corresponding to the shape of a human finger.
  • the switch part 3 is preferably arranged at a position near the middle part near the proximal end, such a position is suitable for the user to hold the actuating switch part with one hand.
  • the switch part 3 made of elastic material can be integrally formed with the handle housing 21 or can be formed separately.
  • Fig. 2 further shows the internal structure of the electric toothbrush according to a preferred embodiment of the present invention.
  • the electric toothbrush includes a battery 5 as a power source, a driving device that provides driving force for the brush head 2, a transmission device that transfers the driving force to the brush head 2, a drive shaft 20 for attaching the brush head 2, a switch assembly and
  • the circuit board 30 these components or parts are basically accommodated in the cavity formed by the handle housing 21 .
  • the battery 5 is arranged in a chamber near the handle at a location away from the distal end of the brush head.
  • the driving device mainly includes a motor 9 and a frame 6.
  • the motor 9 is fixed on the frame 6, and the output shaft of the motor 9 protrudes from the proximal end of the motor 9 close to the driving device.
  • a circuit board 30 is arranged between the motor 9 and the battery 5 , and the circuit board 30 is usually also fixed to the frame 6 .
  • the circuit board 30 is electrically connected to at least one electrode of the motor 9 on the one hand, and is electrically connected to at least one of the positive and negative electrodes of the power supply on the other hand.
  • a transmission device is installed on the proximal side of the driving device, and the transmission device mainly includes a link mechanism and a gear box for accommodating the link mechanism.
  • the link mechanism is respectively connected to the output shaft of the motor 9 and the drive shaft 20 so as to convert the rotational motion of the output shaft of the motor 9 about its longitudinal axis into the reciprocating rotation of the drive shaft 20 .
  • the drive shaft 20 is located at the proximal side of the electric toothbrush 100 , and protrudes from the opening at the proximal end of the handle housing 21 .
  • the drive shaft 20 has a longitudinal axis, the longitudinal axis of the drive shaft 20 is substantially parallel to the longitudinal axis of the output shaft of the motor 9, more preferably, the two longitudinal axes are aligned.
  • the brush head 2 is clamped to the drive shaft 20 through a snap-fit structure, so that the brush head 2 can reciprocate around the longitudinal axis of the drive shaft 20 together with the drive shaft 20 .
  • the switch assembly in the electric toothbrush 100 mainly includes a switch 31 and a switch rocker 10, wherein the switch 31 is directly installed on the circuit board 30, and the switch rocker 10 is arranged in the cavity of the handle 1 and is located in the driving device and the transmission device. and the space between the handle housing.
  • the length direction of the switch rocker 10 is arranged substantially parallel to the longitudinal direction of the handle,
  • the structure of the switch assembly according to the preferred embodiment of the present invention can be seen clearly from FIG. 3 .
  • the switch rocker 10 has a small arm 11 , a large arm 14 and a pivoting portion 13 between the small arm 11 and the large arm 14 .
  • the seesaw 10 is integrally formed of resin material, and the small arm 11 , the large arm 14 and the pivoting part 13 form an integral part.
  • the length of the large arm 14 in the longitudinal direction is greater than the length of the small arm 11 in the longitudinal direction.
  • the switch 31 on the circuit board 30 is arranged under the free end or the distal end 15 of the arm 14 , so that the switch 31 and the free end of the arm 14 can be interlocked and cooperated.
  • the switch 31 By actuating the switch rocker 10 , the switch 31 can be actuated correspondingly, so as to realize the electrical opening and closing of the switch 31 .
  • the switch rocker 10 is strip-shaped, but has different widths along the longitudinal direction, the proximal end 12 of the small arm 11 is narrower, and the distal end 15 of the large arm 14 is wider.
  • the pivoting portion 13 of the switch rocker 10 and the proximal end 12 of the small arm 11 are held and restricted from moving. Specifically, the pivoting portion 13 of the switch rocker 10 is held by the first holding portion, and the proximal end of the small arm 11 is held by the second holding portion, and the first holding portion and the second holding portion are stationary relative to the handle housing 21 part. In a preferred embodiment, both the first holding part and the second holding part are arranged on the gearbox of the transmission device.
  • the first holding portion for holding the pivoting portion 13 includes a pair of U-shaped grooves 71 on the case body 7 of the gearbox, and the pivoting portion 13 includes a pair of For the pair of shaft parts, each shaft part is accommodated in a corresponding U-shaped groove 71 .
  • the U-shaped slot 71 substantially restricts movement of the shaft portion in a longitudinal direction perpendicular to the handle, but allows the shaft portion to rotate within the U-shaped slot 71 .
  • the second holding portion for holding the proximal end 12 of the switch rocker 10 includes an opening 81 on the case cover 8 of the gear box, into which the narrow proximal end 12 of the small arm 11 is inserted. Inside the opening 81 and held fixed by the opening 81 . At this time, the opening 81 on the gear box cover restricts the movement of the proximal end of the small arm 11 in any direction. Obviously, the opening 81 can be a blind hole or a through hole.
  • first retaining portion and the second retaining portion may be an integral part of the case body 7 and case cover 8 of the gearbox respectively, or may be accessories attached to the case body 7 and case cover 8 .
  • the two sides of the seesaw 10 are arranged as a pair of shaft parts of the pivot part 13 .
  • the pivoting portion 13 can also be arranged on the side of the seesaw 10 opposite to the gear box.
  • the opening 81 keeps the proximal end 12 of the small arm 11, so that when the switch 31 is in the off state, the small arm 11 of the switch rocker 10 is bent and deformed to be in a pre-tensioned state. At this time, the switch rocker 10 rotates around the pivot. The rotating portion 13 generates a first moment M that tends to move the arm 14 away from the switch 31 , as shown in FIG. 5 .
  • the relative positions of the first holding part and the second holding part are arranged such that the switch rocker 10 can achieve this pretensioned state.
  • the opening 81 on the gear box cover is offset in the lateral direction.
  • the proximal end 12 of the small arm 11 is forced to stay in the opening 81, the small arm 11 will be bent and deformed, thereby reaching a pre-tensioned state.
  • the pivoting portion 13 of the switch rocker 10 correspondingly produces a first moment M in the direction shown in FIG. 5 , so that the large arm 14 tends to move away from the switch 31 .
  • the switch 31 usually has an elastic member (not shown), which produces an elastic force F2 on the movable part of the switch 31, as shown in Figure 5, and the elastic force F2 acts on the switch rocker 10 distal end 15
  • the direction of the second moment generated by the elastic force F2 of the elastic member around the pivot portion 13 is the same as that of the first moment generated by the pre-tightening force.
  • the second moment generated by the switch 31 itself and the first moment generated by the pretension state of the small arm 11 ensure that the switch 31 below the free end of the large arm 14 cannot is actuated.
  • the arm 14 defines a pressing portion 16 between the pivoting portion 13 and the switch portion 3 , and an external force for actuating the switch assembly can act on the pressing portion 16 of the arm 14 through the switch portion 3 .
  • the pressing portion 16 is closer to the pivoting portion 13 .
  • the switch part 3 on the housing 21 is substantially aligned with the pressing part 16 . Since the switch part 3 is made of elastic material, the pressing force acting on the switch part 3 can be transmitted to the pressing part 16 of the arm 14 .
  • the switch rocker 10 extends from the proximal end of the gear box to the gap between the drive device and the battery 5.
  • the position of the circuit board 30, at this time, the pressing portion 16 is close to the proximal end of the driving device.
  • the switch part 3 is on a part of the handle shell 21 close to the proximal end, so that when the handle is held with one hand, the finger can just press the switch part 3, and in the cavity of the shell 21, the switch 13 is arranged in the middle of the entire handle in the longitudinal direction.
  • the position of the switch 31 can be set away from the switch part 3 on the shell 21.
  • the switch part 3 is roughly located at the near end of the drive device or the position where the drive device and the transmission device are joined. With the solution according to the present invention, the switch can be arranged away from this position, but there is no need for long wires to connect the switch or the circuit board 30 on which the switch is installed. Connected to the battery 5, therefore, simplifying the process of installing the various device components inside the electric toothbrush.

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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)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Brushes (AREA)
  • Cleaning In General (AREA)

Abstract

本发明提供了一种用于清洁护理用具的开关组件和清洁护理用具。开关组件，包括：开关；具有远端和近端的开关翘板，开关翘板的远端下方设置开关，使得开关翘板可操作地触发开关，其中，翘板具有小臂、大臂和位于小臂和大臂之间的枢转部，大臂的长度大于小臂的长度，大臂包括所述远端；开关组件进一步包括用于保持开关翘板的枢转部的第一保持部和用于保持开关翘板的近端的第二保持部，第二保持部保持所述小臂远离枢转部的一端，使得在没有按压力作用于所述开关翘板上时开关翘板的小臂弯曲形变而处于预紧状态，同时开关翘板围绕枢转部产生使大臂趋向于远离开关的第一力矩。本发明在满足手柄外壳上的开关部设置位置符合人体工学设计要求的同时，能够确保外壳内部各部件布局的紧凑性。

Description

用于清洁护理用具的开关组件及清洁护理用具 技术领域
本发明涉及诸如电动牙刷之类的清洁护理用具，尤其涉及清洁护理用具中的开关组件。
背景技术
目前市场上已有各类手持使用的电动清洁护理用具，诸如电动牙刷、冲牙机、剃须刀等。这些电动清洁护理用具通常具有一个手柄，开关部设置在手柄的外壳表面的适当位置。通常，当使用者单手握持电动清洁护理用具的手柄时，手指能够轻松地按压到开关部上，从而致动位于开关操作部下方置于手柄内部的开关装置。
常见，手柄外壳上的开关部由弹性材料形成，如TPE，可致动的开关装置布置在弹性材料的下方。这样，通过使用者施力按压开关部使弹性材料变形就能触发的开关装置。在手柄内部，开关装置可以安装在线路板上，也可以将开关装置单独布置，通过导线连接到电源。具有弹性材料和开关装置的开关组件确保了清洁护理用具的开关部能够具有防水结构，这对于诸如电动牙刷和冲牙机之类有防水要求的电动用具是尤为有利的。
但是这样的开关布置结构存在其局限性，开关装置只能被安装在弹性材料构成的开关部的正下方，通常开关部需要与手柄内部的开关装置的安装位置相匹配，开关部设置灵活性不足，有时为了满足操作的便利性，手柄内部的开关装置被布置在远离电机或电池的位置，需要另外用导线来进行电气连接，导致用具内部电气结构复杂化。
因此，希望能够对电动清洁护理用具的开关组件进行改进，避免使用多余的导线连接开关装置，提高电动清洁护理用具手柄内部排开关装置位置布局的灵活性。
发明内容
为解决现有技术中的不足，本发明提供了一种用于清洁护理用具的开关组件，包括：开关，所述开关用于对所述清洁护理用具进行开关操作；开关翘板， 所述开关翘板具有远端和近端，所述开关翘板的所述远端下方设置所述开关，使得所述开关翘板可操作地触发所述开关，其中，所述翘板具有小臂、大臂和位于所述小臂和大臂之间的枢转部，所述大臂的长度大于所述小臂的长度，所述大臂包括所述远端；所述开关组件进一步包括用于保持所述开关翘板的所述枢转部的第一保持部和用于保持所述开关翘板的近端的第二保持部，所述第二保持部保持所述小臂远离所述枢转部的一端，使得在没有按压力作用于所述开关翘板上时所述开关翘板的所述小臂弯曲形变而处于预紧状态，同时所述开关翘板围绕所述枢转部产生使所述大臂趋向于远离所述开关的第一力矩。
根据本发明的一个方面，开关具备弹性件，所述弹性件产生的弹性力作用到所述开关翘板的所述大臂，所述弹性力围绕所述枢转部产生的第二力矩与所述第一力矩方向相同。
根据本发明的再一个方面，开关翘板的大臂在所述枢转部和所述开关之间限定按压部，用于致动所述开关组件的外力能够作用到所述按压部上。
根据本发明的再一个方面，开关组件包括位于所述清洁护理用具外壳上的开关部，所述开关部由适于变形的弹性材料构成，所述开关部与所述按压部对齐。
根据本发明的再一个方面，第一保持部设置在相对所述清洁护理用具的外壳静止的部件上，其中第一保持部包括位于所述清洁护理用具的内部的成对的U形槽，所述枢转部包括成对的轴部，所述轴部分别容纳在对应的所述U形槽内。
根据本发明的再一个方面，所述第二保持部设置在相对所述清洁护理用具的外壳静止的部件上，并且所述第二保持部包括所述于所述清洁护理用具的内部的固定的开孔，所述小臂的自由端插入保持在所述开孔中。开孔可以是盲孔也可以是通孔
根据本发明的再一个方面，所述开关安装在所述清洁用具内部的线路板上。
此外，本发明还提供了一种电动清洁护理用具，包括：外壳，所述外壳形成细长的容纳腔，所述容纳腔沿纵向方向布置有电池和驱动装置；以及容纳在所述外壳内的如上所述的开关组件；其中，所述开关组件的所述开关翘板基本平行所述纵向方向布置。
在根据本发明的清洁护理用具中，所述开关组件的所述开关安装在线路板 上，所述线路板设置在所述电池和所述驱动装置的电机之间，并且所述线路板固定在所述机架上，所述线路板分别连接到所述电机的至少一个电极和所述电源的至少一个电极。
此外，在根据本发明的清洁护理用具中，所述外壳内部设有容纳所述驱动装置的至少一部分的齿轮箱和附连到所述齿轮箱的齿轮箱盖，所述第一保持部设置在所述齿轮箱上，所述第二保持部设置在所述齿轮箱盖上。
采用根据本发明的方案，在满足手柄外壳上的开关部设置位置符合人体工学设计要求的同时，能够确保外壳内部各部件布局的紧凑性。开关部大致位于驱动装置的近端或者驱动装置和传动装置相接合的位置，而开关可以直接固定于远离这一位置布置的线路板，无需长导线将开关或者安装开关的线路板连接到电池，因此，使得电动牙刷内部布局更加紧凑，同时也简化电动牙刷内部各装置部件的安装过程。
附图说明
为了更完全理解本发明，可参考结合附图来考虑示例性实施例的下述描述，附图中：
图1为示出了根据本发明较佳实施例的电动牙刷的立体图。
图2为示出了根据本发明较佳实施例的图1所示的电动牙刷的内部结构的立体图。
图3为示出了根据本发明较佳实施例的图1所述的电动牙刷的内部结构的另一立体图，其中齿轮箱被移除以示出内部的传动机构。
图4为示出了根据本发明较佳实施例的图1所示的电动牙刷的内部结构的另一立体图，其中电池被移除。
图5为示出了根据本发明较佳实施例的开关组件的开关翘板的受力分析示意图。
图6为示出了根据本发明较佳实施例的开关组件与齿轮箱安装配合状态的侧视图。
附图标记列表
1 手柄
2 刷头
3 开关部
4 清洁元件
5 电池
6 机架
7 箱体
8 箱盖
9 电机
10 开关翘板
11 小臂
12 近端
13 枢转部
14 大臂
15 远端
20 驱动轴
21 手柄外壳
30 线路板
31 开关
71 U形槽
81 开孔
100 电动牙刷
具体实施方式
下面结合具体实施例和附图对本发明作进一步说明，在以下的描述中阐述了更多的细节以便于充分理解本发明，但是本发明显然能够以多种不同于此描述的其它方式来实施，本领域技术人员可以在不违背本发明内涵的情况下根据实际应用情况作类似推广、演绎，因此不应以此具体实施例的内容限制本发明的保护范围。
下文以电动牙刷作为个人清洁护理用具的典型例子，并结合附图更详细地描述本发明的示例性实施例。虽然下面仅以电动牙刷为例进行解释说明，但本发明不限于此。本发明也可适用于电动剃须刀、电动洁面器、电动沐浴器等能够通过驱动装置提供清洁动作的清洁护理用具。
为了清楚起见，在本说明书中采用了表述空间相对位置的词语如“近端/近侧”、“远端/远侧”等来简单描述如图所示的一个元件或特征与另一元件(一或多个)或特征(一或多个)的相互关系，“近端/近侧”指靠近清洁护理用具使用时清洁作用力作用位置的端部或侧部；“远端/远侧”指远离清洁护理用具使用时清洁作用力作用位置的端部或侧部。
此外，本申请中使用的词汇“和/或”包括所列出的一或多个相关联的词汇中的任一个和所有组合。
尽管本说明书中使用了词语“第一”等来描述多个元件或构成部分，这些元件或构成部分不应受这些词语的限制。这些词语仅用于区分一个元件或构成部分和另一元件或构成部分，而不包含“顺序”。因此，将下面讨论的那些元件或构成部分的序数词相互变换也不超出本发明的构思和范围。
图1示出了根据本发明较佳实施例的清洁护理用具的外形立体图。图1所示清洁护理用具为电动牙刷，其主要包括适于单手握持的手柄1和可拆卸地安装在手柄1上的刷头2，手柄1和刷头2沿电动牙刷整体的纵向方向相邻布置。刷头2上设有多个清洁元件4，如刷毛。手柄1包括手柄外壳21以及安装在手柄外壳21中的各功能部件。
如图1所示，电动牙刷具有大致细长圆柱体的手柄外壳21，手柄外壳21的中部设有一个开关部3。开关部3包括弹性材料构成的膜片，可以为大致圆形或椭圆形，对应于人手指的形状。对于电动牙刷的细长圆柱体形的手柄外壳21，开关部3较佳地设置在中部靠近近端的位置上，这样的位置适于使用者单手握持致动开关部。较佳地，弹性材料构成的开关部3可以与手柄外壳21一体形成，也可以分体形成。
图2进一步示出了根据本发明较佳实施例的电动牙刷内部构造。如图2所示，电动牙刷包括作为电源的电池5、为刷头2提供驱动力的驱动装置、向刷头2转移驱动力的传动装置、附接刷头2的驱动轴20、开关组件以及线路板30，这些部件或部分基本被容纳在手柄外壳21形成的腔室中。
电池5布置在靠近手柄的腔室中远离刷头的远端的位置。驱动装置主要包括电机9和机架6。电机9固定到机架6上，电机9的输出轴从靠近驱动装置的电机9的近端伸出。在手柄1的纵向方向上，线路板30被布置电机9和电池5之间，线路板30通常也被固定到机架6上。线路板30一方面与电机9的至少一个电极电连接，另一方面与电源的正负电极中的至少一个电连接。
进一步地，在驱动装置的近端侧安装着传动装置，传动装置主要包括连杆机构以及容纳连杆机构的齿轮箱。连杆机构分别连接到电机9的输出轴和驱动轴20，从而将电机9的输出轴围绕其纵向轴线的旋转运动转换成驱动轴20的往复转动。
驱动轴20位于电动牙刷100的近端侧，它从手柄外壳21的近端的开口中伸出。驱动轴20具有纵向轴线，驱动轴20的纵向轴线与电机9的输出轴的纵向轴线是基本平行的，更佳地，两条纵向轴线对齐。刷头2通过卡配结构被卡接到驱动轴20上，从而刷头2能够随着驱动轴20一起围绕驱动轴20的纵向轴线作往复转动。
特别地，电动牙刷100中的开关组件主要包括开关31和开关翘板10，其中开关31直接安装在线路板30上，而开关翘板10则布置在手柄1的腔室内位于驱动装置及传动装置和手柄外壳之间的空间中。开关翘板10的长度方向基本平行于手柄的纵向方向布置，
从图3中可清楚看到根据本发明的较佳实施例的开关组件的构造。开关翘板10具有小臂11、大臂14和位于小臂11和大臂14之间的枢转部13。较佳地，翘板10采用树脂材料一体成形，小臂11、大臂14和枢转部13构成一个整体件。通常，大臂14纵向方向的长度大于小臂11纵向方向的长度。位于线路板30上的开关31布置在大臂14的自由端或远端15的下方，由此开关31与大臂14的自由端之间能够连动配合。通过致动开关翘板10，开关31能够被相应地致动，从而实现开关31电气开合。如图3和图4所示，开关翘板10呈板条状，但沿纵向方向具有不同的宽度，小臂11的近端12较窄，大臂14的远端15较宽。
进一步，如图4和图6所示，开关翘板10的枢转部13和小臂11的近端12被保持而移动受限。具体而言，开关翘板10的枢转部13被第一保持部保持，而小臂11的近端被第二保持部保持，第一保持部和第二保持部是相对手柄外壳21静止的部件。在较佳实施例中，第一保持部和第二保持部均设置在传动装置的齿轮箱上。
如图6所示，在较佳实施例中，用于保持枢转部13的第一保持部包括位于齿轮箱的箱体7上的成对的U形槽71，而枢转部13包括成对的轴部，每一个轴部被容纳在对应的一个U形槽71内。U形槽71基本限制轴部在垂直于手柄的纵向方向上的运动，但允许轴部在U形槽71内转动。
同时，也如图6所示，用于保持开关翘板10的近端12的第二保持部包括位于齿轮箱的箱盖8上的开孔81，小臂11细窄的近端12插入到开孔81内并由开孔81保持固定。这时，齿轮箱盖上的开孔81限制小臂11的近端在任何方向上的运动。显然，所述开孔81可以是盲孔也可以是通孔。
应当理解，第一保持部和第二保持部可以分别与齿轮箱的箱体7和箱盖8的整体的一部分，也可以是附连到箱体7和箱盖8上的配件。在较佳实施例中，作为枢转部13的成对的轴部布置的翘板10的两侧。在其他替代实施例中，枢转部13也可以设置在翘板10相对于齿轮箱的一侧上。
特别地，开孔81保持小臂11的近端12，使得在开关31处于断开状态时，开关翘板10的小臂11弯曲形变而处于预紧状态，此时，开关翘板10围绕枢转部13产生使大臂14趋向于远离开关31的第一力矩M，如图5所示。
第一保持部和第二保持部的相对位置布置成使开关翘板10能够达到这种预紧状态。具体而言，相对于轴部被接纳在U形槽71中时开关翘板10的小臂11自由延伸状态下其近端12所处位置，齿轮箱盖上的开孔81在横向方向上偏置于内侧，即靠近手柄腔室中心的一侧。当小臂11的近端12被迫保持在开孔81内时，小臂11会出现弯曲形变，从而达到预紧状态。随着小臂11上的预紧力，开关翘板10的枢转部13相应地产生如图5中所示方向的第一力矩M，从而使得大臂14趋向于远离开关31。
另一方面，开关31通常具有一个弹性件(未示出)，该弹性件对其中开关31的可动部件产生弹性力F2，如图5，而弹性力F2作用于开关翘板10远端15，弹性件的弹性力F2围绕枢转部13产生的第二力矩与预紧力产生的第一力矩方向相同。
开关31本身产生的第二力矩和小臂11的预紧状态产生的第一力矩确保了在手柄外壳21的开关部3不被致动的情况下，大臂14的自由端下方的开关31不被致动。
如图5所示，大臂14在枢转部13和开关部3之间限定按压部16，用于致动开关组件的外力能够通过开关部3作用到大臂14的按压部16上。较佳地，相对大臂14的自由端，按压部16更靠近枢转部13。外壳21上开关部3与按压部16基本对齐，由于开关部3由弹性材料构成，因此作用在开关部3上的按压力能够被传递到大臂14的按压部16上。
在使用者致动开关31时，按压力施加到大臂14的按压部16上，按压力 的方向与开关31的弹性力是相反的，按压力围绕驱转部13产生与第一力矩和第二力矩反向的第三力矩。当按压力足够大，第三力矩大于第一力矩和第二力矩的和，大臂14的自由端将绕枢转部朝向开关31旋转，从而致动开关31，便能完成所需开关操作。
如图2所示，当开关翘板10的近端12和枢转部13分别被固定到齿轮箱上后，开关翘板10从齿轮箱的近端一直延伸到驱动装置和电池5之间的线路板30的位置，此时的按压部16靠近驱动装置的近端。开关部3在手柄外壳21靠近近端的一部分上，这样单手握持手柄的时候手指能够正好按压到开关部3，而在外壳21的腔室中，开关13布置在整个手柄纵向方向大致中部的位置，开关31能够远离外壳21上的开关部3设置，在满足手柄外壳21上的开关部3设置位置符合人体工学设计要求的同时，确保了外壳21内部各部件布局的紧凑性。开关部3大致位于驱动装置的近端或者驱动装置和传动装置相接合的位置，采用根据本发明的方案，开关可以远离这一位置布置，但又无需长导线将开关或者安装开关的线路板30连接到电池5，因此，简化了电动牙刷内部各装置部件安装的过程。
本发明虽然以较佳实施例公开如上，但其并不是用来限定本发明，任何本领域技术人员在不脱离本发明的精神和范围内，都可以做出可能的变动和修改。因此，凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何修改、等同变化及修饰，均落入本发明权利要求所界定的保护范围之内。

Claims (10)

  1. 一种用于清洁护理用具的开关组件，包括：
    开关(31)，所述开关用于对所述清洁护理用具进行开关操作；
    开关翘板(10)，所述开关翘板(10)具有远端和近端，所述开关翘板的所述远端下方设置所述开关，使得所述开关翘板可操作地触发所述开关，
    其特征在于，
    所述翘板具有小臂(11)、大臂(14)和位于所述小臂和大臂之间的枢转部(13)，所述大臂的长度大于所述小臂的长度，所述大臂(14)包括所述远端；
    所述开关组件进一步包括用于保持所述开关翘板的所述枢转部的第一保持部和用于保持所述开关翘板的近端的第二保持部，
    所述第二保持部保持所述小臂远离所述枢转部的一端，使得在没有按压力作用于所述开关翘板上时所述开关翘板的所述小臂弯曲形变而处于预紧状态，同时所述开关翘板围绕所述枢转部产生使所述大臂趋向于远离所述开关的第一力矩(M)。
  2. 如权利要求1所述的开关组件，其特征在于，所述开关(31)具备弹性件，所述弹性件产生的弹性力作用到所述开关翘板的所述大臂，所述弹性力围绕所述枢转部产生的第二力矩与所述第一力矩方向相同。
  3. 如权利要求1所述的开关组件，其特征在于，所述大臂在所述枢转部和所述开关之间限定按压部，用于致动所述开关组件的所述按压力能够作用到所述按压部上。
  4. 如权利要求3所述的开关组件，其特征在于，所述开关组件包括位于所述清洁护理用具外壳上的开关部，所述开关部由适于变形的弹性材料构成，所述开关部与所述按压部对齐。
  5. 如权利要求1所述的开关组件，其特征在于，所述第一保持部设置在相对所述清洁护理用具的外壳静止的部件上，
    其中第一保持部包括位于所述清洁护理用具的内部的成对的U形槽(71)，所述枢转部包括成对的轴部，所述轴部分别容纳在对应的所述U形槽内。
  6. 如权利要求1所述的开关组件，其特征在于，所述第二保持部设置在相对所述清洁护理用具的外壳静止的部件上，
    并且所述第二保持部包括所述于所述清洁护理用具的内部的固定的开孔(81)，所述小臂的所述近端插入保持在所述开孔中，所述开孔为盲孔或通孔。
  7. 如权利要求1所述的开关组件，其特征在于，所述开关安装在所述清洁用具内部的线路板(30)上。
  8. 一种清洁护理用具，包括：
    外壳，所述外壳形成细长的容纳腔，所述容纳腔沿纵向方向布置有电池(5)和驱动装置；以及
    容纳在所述外壳内的如权利要求1至7中任一项所述的开关组件；
    其中，所述开关组件的所述开关翘板基本平行所述纵向方向布置。
  9. 如权利要求8所述的清洁护理用具，其特征在于，所述开关组件的所述开关安装在线路板上，所述线路板设置在所述电池和所述驱动装置的电机之间，并且所述线路板固定在机架上，所述线路板分别连接到所述电机的至少一个电极和所述电池的至少一个电极。
  10. 如权利要求8或9所述的清洁护理用具，其特征在于，所述外壳内部设有容纳所述驱动装置的至少一部分的齿轮箱体(7)和附连到所述齿轮箱体(7)的齿轮箱盖(8)，所述第一保持部设置在所述齿轮箱体(7)上，所述第二保持部设置在所述齿轮箱盖(8)上。
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050039284A1 (en) * 2003-08-18 2005-02-24 Paustell Steven F. Toothbrush assembly with rapidly deployable brush head member
CN104771234A (zh) * 2015-04-03 2015-07-15 浙江大学 基于凹型清洗模套的超声波牙齿清洗装置
CN104851619A (zh) * 2015-04-27 2015-08-19 苏州君丰辰电子科技有限公司 新型智能家居电力开关
CN213156653U (zh) * 2020-05-27 2021-05-11 东莞英伍电子有限公司 儿童电动牙刷
CN216818182U (zh) * 2021-11-11 2022-06-24 上海携福电器有限公司 用于清洁护理用具的开关组件及清洁护理用具

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050039284A1 (en) * 2003-08-18 2005-02-24 Paustell Steven F. Toothbrush assembly with rapidly deployable brush head member
CN104771234A (zh) * 2015-04-03 2015-07-15 浙江大学 基于凹型清洗模套的超声波牙齿清洗装置
CN104851619A (zh) * 2015-04-27 2015-08-19 苏州君丰辰电子科技有限公司 新型智能家居电力开关
CN213156653U (zh) * 2020-05-27 2021-05-11 东莞英伍电子有限公司 儿童电动牙刷
CN216818182U (zh) * 2021-11-11 2022-06-24 上海携福电器有限公司 用于清洁护理用具的开关组件及清洁护理用具

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