CN113599002A

CN113599002A - Hand-held personal care implement

Info

Publication number: CN113599002A
Application number: CN202110631869.6A
Authority: CN
Inventors: 王小伍; 沈代华; 林俊宏
Original assignee: Shenzhen Qianyu Technology Co ltd
Current assignee: Shenzhen Qianyu Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-11-05

Abstract

The invention discloses a hand-held personal care appliance, which comprises a handle shell, a charging unit, a sealing element, a conductive element and a prompting unit, wherein the charging unit comprises a conductive part, the sealing element is detachably connected with the handle shell or the charging unit and seals and prevents the charging unit from water, the conductive element is arranged on the sealing element, at least part of the conductive element and the sealing element move synchronously so that the conductive element and the conductive part have a connection state and a separation state, and the prompting unit responds to the connection state and the separation state of the conductive element and the conductive part and transmits information containing different prompts to a user. When the user does not seal or correctly seal the charging interface, the handheld personal care appliance provided by the invention can transmit corresponding prompt information to the user so as to prompt the user to seal the charging unit.

Description

Hand-held personal care implement

Technical Field

The invention belongs to the technical field of personal care appliances, and particularly relates to a handheld personal care device with a waterproof prompt function.

Background

Wired charging is increasingly widely used in handheld personal care appliances due to its fast charging and strong versatility, and when the battery in the personal care appliance is used up, the battery needs to be electrically connected to an external power supply through a charging interface to charge the battery. The service environment of the personal care appliance, such as an electric toothbrush, a tooth rinsing device, a depilating instrument or a shaver, often has water, the water enters the personal care appliance through a charging interface for avoiding the external water, a sealing element is usually arranged for sealing and waterproofing the charging interface, a user can charge the personal care appliance in need, the sealing element is detached from the handle so as to expose the charging interface, the personal care appliance is convenient to be connected with an external power supply, and after the charging is completed, the sealing element is installed on the handle so as to seal the charging interface.

There is the user in the completion of charging or when using because the risk of falling the reason such as the unsealed or not correctly sealed interface that charges, when electric toothbrush was in the environment that has water, outside water got into the inside personal care utensil via the interface that charges, led to the inside electronic components of personal care utensil to damage for the life greatly reduced of personal care utensil. In addition, the formation of moulding plastics respectively with the handle casing on current personal care utensil charging seat, the interface that charges is installed on the charging seat, is connected to the handle with the charging seat again on, except setting up the sealed interface that charges of sealing member, need set up the gap between sealed charging seat of sealing member and the handle in addition, and water-proof effects is poor.

Disclosure of Invention

It is an object of the present invention to provide an electric shaver with a waterproof reminder, which comprises a charging unit having a conductive portion, a conductive member moving at least partially in synchronism with a sealing member, the conductive member and the conductive portion being in a separated state when a user does not seal or properly seal the charging interface, the reminder unit being responsive to the separated state and conveying a corresponding reminder message to the user.

The technical scheme of the invention provides a handheld personal care device, which is characterized by comprising:

a handle housing arranged to be held by a hand;

a charging unit connected to the handle housing and adapted to perform a charging operation on the personal care device, the charging unit including a conductive portion;

the sealing piece is detachably connected with the handle shell or the charging unit and is used for sealing and waterproofing the charging unit;

and a conductive member mounted on the sealing member, at least a portion of the conductive member moving in synchronization with the sealing member to have a connection state and a separation state with the conductive portion.

And a prompt unit for responding the connection state and the separation state of the conductive parts and transmitting information containing different prompts to a user.

The technical scheme of the invention provides a handheld personal care device with a waterproof prompt, which comprises a charging unit with a conductive part and a conductive part, wherein at least part of the conductive part and a sealing part synchronously move, when a user does not seal or correctly seal a charging interface, the conductive part and the conductive part are in a separated state, a prompt unit responds to the separated state and transmits corresponding prompt information to the user, and the prompt information can be one or more of color change of a prompt lamp, flickering or constant lighting of the prompt lamp, prompt sound or motor vibration.

Further, the conductive portion includes a first conductive portion and a second conductive portion with a gap therebetween, and the conductive portion have:

in a connection state, one end of the conductive piece is connected with the first conductive part, the other end of the conductive piece is connected with the second conductive part, and the first conductive part and the second conductive part are conducted through the conductive piece;

and a separated state in which at least one of the first conductive portion and the second conductive portion and the conductive member are separated from each other, the electrical connection between the first conductive portion and the second conductive portion being in an open state.

Further, the conductive part is a conductive contact or a conductive film.

Further, the conductive piece is one of conductive silica gel, conductive sponge and metal.

Further, the presentation unit includes at least one of a light emitting part, a sound emitting part, and a vibration part.

Further, the charging unit comprises a charging interface, a charging circuit board and a charging seat, a first through hole is formed in the charging seat, the charging interface is installed on the inner side face of the first through hole, the charging interface is electrically connected with the charging circuit board, and the conductive portion is installed on the charging circuit board.

Furthermore, the handle shell and the charging seat are formed by one-time injection molding.

Furthermore, the conductive piece is conductive silica gel, and a second through hole matched with the conductive piece in shape is arranged on the charging seat.

Furthermore, the sealing element comprises a cover body and a connecting column, and a third through hole for the connecting column to penetrate through is formed in the charging seat.

Furthermore, a first sealing ring and a second sealing ring are arranged on the outer side surface of the cover body.

The technical scheme of the invention provides a handheld personal care device with a waterproof prompt, which comprises a charging unit with a conductive part and a conductive part which moves synchronously with a sealing part at least, wherein when a user does not seal or correctly seal a charging interface, the conductive part and the conductive part are in a separated state, a prompt unit responds to the separated state and transmits corresponding prompt information to the user, and the prompt information can be one or more of color change of a prompt lamp, flicker or constant brightness of the prompt lamp, prompt sound or vibration of a motor and prompts the user to seal the charging interface, so that the risk that external water enters the personal care appliance through the charging interface is effectively reduced, the service life of the personal care appliance is effectively ensured, and the user experience is improved; the handle casing and the charging seat are formed by once injection molding, the charging seat does not need to be additionally arranged, and meanwhile, a sealing structure does not need to be arranged between the handle casing and the charging seat, so that the process is simplified, the production cost is reduced, and the waterproof effect of the personal care appliance is effectively improved.

Drawings

The above-mentioned and other features and advantages of this disclosure, and the manner of attaining them, will become more apparent and the disclosure itself will be better understood by reference to the following description of non-limiting embodiments of the disclosure taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic view of an electric toothbrush handle provided by an embodiment of the present invention;

FIG. 2 is a top view of a powered toothbrush handle provided by an embodiment of the present invention;

FIG. 3 is a cross-sectional view A-A of the electric toothbrush handle of FIG. 2;

FIG. 4 is an enlarged view of portion A of the electric toothbrush handle of FIG. 3;

FIG. 5 is a schematic view of a handle housing in a power toothbrush handle;

FIG. 6 is a schematic view of a charging circuit board in the handle of the electric toothbrush;

FIG. 7 is a schematic view of the conductive elements in the handle of the electric toothbrush;

FIG. 8 is a schematic view of a seal in a handle of an electric toothbrush;

FIG. 9 is a schematic view of an electric toothbrush provided by an embodiment of the present invention;

wherein, in the figures, the respective reference numerals:

10-a handle; 11-a handle housing; 111-a light-transmitting portion; 112-a first mounting cavity; 113-a second mounting cavity; 12-a movement assembly; 121-movement bracket; 122-a power supply; 123-a control component; 124-a motor; 13-a charging unit; 131-a conductive portion; 1311-a first conductive portion; 1312-a second conductive portion; 132-a charging interface; 133-a charging circuit board; 134-a charging dock; 1341-a first via; 1342-a second via; 1343-a third via; 135-a first sealing ring; 14-a seal; 141-a cover body; 1411-a second sealing ring; 1412-second seal ring; 142-a connecting column; 1421 a rod body; 1422-limit boss; 15-a conductive member; 151-conductive post; 152-a limiting part; 20-brush head.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as implying or implying relative importance or implicitly indicating the number of technical features mentioned. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In addition, technical solutions between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the scope of the disclosure of the present invention.

In the following description, suffixes such as "module", "part", "assembly", or "unit" are used only for convenience of description of the present invention, and have no specific meaning by themselves, and thus may be used mixedly.

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

As shown in fig. 1-9, the present invention provides a personal care appliance which is a power toothbrush comprising a handle 10 and a head 20, the head 20 being removably connected to the handle 10. The handle 10 comprises a handle shell 11 for being held by a user, a movement assembly 12 installed in an inner cavity of the handle shell 11, and a charging unit 13 for charging the movement assembly 12. One end of the movement assembly 12 exposed out of the inner cavity of the handle shell 11 is connected with the brush head 20, and the charging unit 13 is installed in the inner cavity of the handle shell 11 and connected with the other end of the movement assembly 12. The movement assembly 12 comprises a movement bracket 121, a power supply 122, a control assembly 123 and a motor 124, wherein the power supply 122, the control assembly 123 and a driving assembly 124 are fixed on the movement bracket 121, the brush head 20 is connected to the motor 124, and the power supply 122 supplies power to the motor 124 and drives the brush head 20 to move under the control of the control assembly 123. The handle 10 further comprises a sealing member 14, the sealing member 14 is detachably connected with the handle housing 11 or the charging unit 13, and the sealing member 14 is used for sealing and preventing water and dust of the charging unit 13.

Besides the above structure, the electric toothbrush of the present invention is provided with a special waterproof prompting structure, which is also an important innovation point of the present invention. The waterproof prompt means that when the sealing member 14 is not sealed or the charging unit 13 is not properly sealed, the electric toothbrush transmits a corresponding prompt message to the user to prompt the user to seal the charging unit 13.

The waterproof prompting structure includes a conductive portion 131 provided on the charging unit 13, and a conductive member 15 mounted on the sealing member 14. At least part of conductive member 15 moves in synchronization with sealing member 14 so that conductive member 15 and conductive portion 131 have a connected state and a disconnected state. When the sealing member 14 is detached from the handle case 11 or the charging unit 13, the conductive member 15 moves in a direction away from the conductive portion 131 to put the conductive member 15 and the conductive portion 131 in a separated state, and when the sealing member 14 is hermetically attached to the handle case 11 or the charging unit 13, the conductive member 15 moves in a direction close to the conductive portion 131 to put the conductive member 15 and the conductive portion 131 in a connected state. The waterproof prompt structure further comprises a prompt unit responding to the connection state and the separation state of the conductive part and the conductive part, and the prompt unit conveys information containing different prompts to a user.

In a preferred embodiment, the prompting unit includes a control assembly 123, the control assembly 123 includes a microprocessor and a prompting lamp, a light-transmitting portion 111 is disposed on the handle housing 11 at a position corresponding to the prompting lamp, and the light-transmitting portion 111 may be an opening or a laser-engraved pattern on a light-shielding layer, so that light of the prompting lamp can pass through the light-transmitting portion to be visible to a user. The prompt information may be a change of a color of light, when the conductive member 15 and the conductive member 131 are in a connected state, a corresponding electrical signal is provided to the microprocessor, the microprocessor receives the electrical signal and controls the corresponding prompt lamp to display green, and at this time, the sealing member 14 correctly seals the charging unit 13; when the conductive part 15 and the conductive part 131 are separated, a corresponding electric signal is provided to the microprocessor, the microprocessor receives the electric signal and controls the corresponding indicator light to display red, at the moment, the sealing part 14 does not seal or correctly seal the charging unit 13, and a user can determine whether to seal the charging unit 13 according to the indication information, so that water enters the movement assembly from the charging unit 13 due to the fact that the charging unit 13 is not sealed in time. The prompt information may also be a change of a light display mode, when the conductive part 15 and the conductive part 131 are in a connected state, the microprocessor controls the corresponding prompt lamp to be not lighted or to be lighted normally, and when the conductive part 15 and the conductive part 131 are in a separated state, the microprocessor controls the corresponding prompt lamp to flash. In a preferred embodiment, the prompting unit includes a control assembly 123 and a motor 124, and when the conductive member 15 is separated from the conductive portion 131, the microprocessor controls the motor 124 to vibrate at a specific frequency to prompt the user that the sealing member 14 is not sealing or sealing the charging unit 13 properly. In a preferred embodiment, the prompting unit comprises a control component 123 and a sounding component, and the microprocessor sounding component generates a prompting sound when the conductive component 15 is separated from the conductive component 131. The presentation unit may include at least one of a light emitting part, a sound emitting part, and a vibration part.

In a preferred embodiment, conductive portion 131 includes a first conductive portion 1311 and a second conductive portion 1312, a gap is provided between first conductive portion 1311 and second conductive portion 1312, and conductive portion 15 and conductive portion 131 have a connected state in which one end of conductive portion 15 is connected to first conductive portion 1311 and the other end of conductive portion 15 is connected to second conductive portion 1312, and first conductive portion 1311 and second conductive portion 1312 are electrically connected through conductive portion 15 and provide corresponding electrical signals to control assembly 123; in the separated state, at least one of first conductive portion 1311 and second conductive portion 1312 and conductive member 15 are separated from each other, the electrical connection between first conductive portion 1311 and second conductive portion 1312 is in an open state, and a corresponding electrical signal is provided to control assembly 123.

In a preferred embodiment, the conductive portion 131 is a conductive contact or a conductive film.

In a preferred embodiment, the conductive member 15 is one of conductive silicone, conductive sponge, and metal.

In a preferred embodiment, the charging unit 13 includes a charging interface 132, a charging circuit board 133, and a charging seat 134, the charging seat 134 is provided with a first through hole 1341, the charging interface 132 is mounted on an inner side surface of the first through hole 1341, the charging interface 132 is hermetically connected to the first through hole 1341 through a first sealing ring 135, the charging interface 132 is electrically connected to the charging circuit board 133, and the conductive portion 131 is mounted on the charging circuit board 133. But charging circuit board 133 bolt fastening is to core assembly 12 on, and the interface 132 that charges is connected to charging circuit board 133 in, during the installation, charging circuit board 133, the interface 132 that charges install from handle housing 11 upper end downwards together with core assembly 12, until the interface 132 that charges installs to in first through-hole 1341. Of course, the charging circuit board 133 can be eliminated, and the charging interface 132 and the conductive part 131 are electrically connected to the control component 123.

In a preferred embodiment, the charging seat 134 and the handle housing 11 can be formed by one-time injection molding, and there is no gap between the charging seat 134 and the handle housing 11, so that the connection between the two is stable and reliable. Of course, the charging seat 134 and the handle housing 11 may be formed separately by injection molding, and then the charging seat 134 and the charging interface 132 installed on the charging seat 134 are installed in the handle housing 11, at this time, a sealing structure is additionally provided to seal the gap between the charging seat 134 and the handle housing 11. The handle housing 11 comprises a first mounting cavity 112 for mounting the cartridge assembly 12, the charging interface 132 and the charging circuit board 133, and a second mounting cavity 113 for mounting the seal 14.

In a preferred embodiment, the conductive member 15 is conductive silicone, the charging seat 134 is provided with a second through hole 1342 having a shape matching the conductive member 15, and the conductive member 15 is disposed through the second through hole 1342. The conductive device 15 includes a conductive pillar 151 and a position-limiting portion 152, the conductive pillar 151 can pass through the second through hole 1342 to contact the conductive portion 131, and the cross-sectional area of the position-limiting portion 152 is larger than that of the second through hole 1342, so as to limit the conductive device 15 from completely entering the first mounting cavity 112. When the conductive member 15 is conductive silicone, the conductive member 15 can prevent water from entering the first mounting cavity 112 from the second through hole 1342 when the conductive member 15 is connected to the conductive portion 131. Meanwhile, the conductive member 15 is matched with the second through hole 1342, so that the connection between the sealing member 14 and the charging seat 134 is more stable.

In a preferred embodiment, the sealing member 14 includes a cover 141 and a connecting rod 142, the charging seat 134 is provided with a third through hole 1343 through which the connecting rod 142 passes, and the connecting rod 142 can move axially along the handle 10 relative to the charging seat 134, so that the sealing member 14 abuts against or separates from the charging unit 13. The connecting column 142 includes a rod 1421 and a limiting boss 1422. The rod body 1421 penetrates through the third through hole 1343, and the rod body 1421 can move along the axial direction of the handle 10 relative to the third through hole 1343, so that the limit boss 1422 abuts against the charging seat 134, and the sealing element 14 can be prevented from falling off from the handle 10. In this embodiment, the rod 1421 and the limiting boss 1422 are elastic members, so as to smoothly pass through the third through hole 1343. The cover 141 may be made of a soft rubber material, and the cover 141 is in interference fit with the inner wall of the second mounting cavity 113 to sealingly connect the sealing member 14 to the second mounting cavity 113. Preferably, the cover 12 has a second sealing ring 1411 and a third sealing ring 1412 on the outer side surface thereof to achieve multiple sealing of the charging unit 13. The cover body 141 can include a hard glue portion and a soft glue portion, the soft glue portion is molded on the hard glue portion, the soft glue portion is used for sealing and waterproofing, and the hard glue portion is used for preventing the soft glue portion from deforming and losing efficacy.

The technical scheme of the invention provides a handheld personal care device with a waterproof prompt, which comprises a charging unit 13 with a conductive part 131 and a conductive part 15 which moves synchronously with a sealing part 14 at least in part, wherein when a user does not seal or correctly seal a charging interface 132, the conductive part 15 and the conductive part 131 are in a separated state, the prompting unit responds to the separated state and transmits corresponding prompt information to the user, and the prompt information can be one or more of color change of a prompt lamp, flicker or constant brightness of the prompt lamp, prompt sound or vibration of a motor and prompts the user to seal the charging interface 131 in time, so that the risk that outside water enters the personal care appliance through the charging interface is effectively reduced, the service life of the personal care appliance is effectively ensured, and the user experience is improved; form once moulding plastics with handle casing 11 and charging seat 134, need not additionally to set up charging seat 134, need not to set up seal structure between handle casing 11 and charging seat 134 simultaneously, simplified technology, reduced manufacturing cost, effectively promoted the water-proof effects of personal care utensil.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.

Claims

1. A hand-held personal care appliance, comprising:

a handle housing arranged to be held by a hand;

a sealing member for sealing and waterproofing the charging unit;

a conductive member mounted on the sealing member, at least a portion of the conductive member moving in synchronization with the sealing member to have a connection state and a separation state with the conductive portion;

2. The hand-held personal care appliance of claim 1, the conductive portion comprising a first conductive portion and a second conductive portion having a gap therebetween, the conductive portion and the conductive portion having:

3. The hand-held personal care appliance of claim 2, the conductive portion being a conductive contact or a conductive film.

4. The hand-held personal care appliance of claim 1, said conductive member being one of a conductive silicone, a conductive sponge, and a metal.

5. The hand-held personal care appliance of claim 1, the reminder unit comprising at least one of a light emitting component, a sound emitting component, and a vibrating component.

6. The hand-held personal care appliance of claim 1, wherein the charging unit comprises a charging interface, a charging circuit board, and a charging base, the charging base has a first through hole, the charging interface is mounted on an inner side surface of the first through hole, the charging interface is electrically connected to the charging circuit board, and the conductive portion is mounted on the charging circuit board.

7. The hand-held personal care appliance of claim 6, the handle housing and charging dock being injection molded in one piece.

8. The hand-held personal care appliance of claim 7, wherein the conductive member is conductive silicone, and the charging base is provided with a second through hole adapted to the conductive member.

9. The hand-held personal care appliance of claim 6, wherein the sealing member includes a cover and a connecting post, and the charging base has a third through hole for the connecting post to pass through.

10. The hand-held personal care appliance of claim 9, the cover having first and second sealing rings on an outer side thereof.