CN112309745A - Key assembly and electric toothbrush - Google Patents

Key assembly and electric toothbrush Download PDF

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Publication number
CN112309745A
CN112309745A CN202011200620.1A CN202011200620A CN112309745A CN 112309745 A CN112309745 A CN 112309745A CN 202011200620 A CN202011200620 A CN 202011200620A CN 112309745 A CN112309745 A CN 112309745A
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CN
China
Prior art keywords
key
hole
flexible sealing
pressing
assembly
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN202011200620.1A
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Chinese (zh)
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CN112309745B (en
Inventor
田岐保
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Emask Shenzhen Technology Co ltd
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Emask Shenzhen Technology Co ltd
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Priority to CN202011200620.1A priority Critical patent/CN112309745B/en
Publication of CN112309745A publication Critical patent/CN112309745A/en
Application granted granted Critical
Publication of CN112309745B publication Critical patent/CN112309745B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
    • 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
    • A61C17/221—Control arrangements therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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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

The invention discloses a key assembly and an electric toothbrush, wherein the key assembly comprises a shell, a key, a flexible sealing element, a substrate and a trigger element, the shell is provided with a key hole, the key is accommodated in the key hole, the key is provided with a pressing column, the flexible sealing element is fixed with the shell in a sealing manner and is fixed with the key in a sealing manner, the flexible sealing element is provided with a pressing hole, the pressing column penetrates through the pressing hole, the substrate is fixed on one side of the flexible sealing element, which is exposed out of the flexible sealing element, the trigger element is fixed on the substrate, and the trigger element is abutted against the pressing column. According to the invention, through the multilayer sealing structure, moisture is ensured not to enter the electric toothbrush through the key assembly, and the waterproofness of the electric toothbrush is improved.

Description

Key assembly and electric toothbrush
Technical Field
The application relates to the technical field of cleaning equipment, in particular to a key assembly and an electric toothbrush.
Background
Electric toothbrush is applied to in the middle of the life, and is comparatively general, provides convenient for the life, but current electric toothbrush because the structure sets up the reason, and electric toothbrush's button position water-proof effects is very poor, leads to moisture to get into electric toothbrush through the gap of button easily inside, influences electric toothbrush's result of use, reduces electric toothbrush's life even.
Disclosure of Invention
To address the above issues, the present application provides a key assembly and an electric toothbrush.
On the first hand, the application relates to a key assembly, the key assembly comprises a shell, a key, a flexible sealing element, a substrate and a trigger element, wherein the shell is provided with an outer side surface and an inner side surface which is opposite to the outer side surface, the shell is provided with a key hole which penetrates through the outer side surface and the inner side surface, a part of the key is contained in the key hole, the key is contained in a part of the key hole and is provided with a pressing column, the length direction of the pressing column is parallel to the extending direction of the key hole, the flexible sealing element is fixed with the key in a sealing way, the flexible sealing element is fixed with the shell in a sealing way, the flexible sealing element is provided with a pressing hole, the extending direction of the pressing hole is parallel to the extending direction of the pressing column, the pressing hole is used for the pressing column to pass through, and the substrate is fixed, the trigger piece is fixed on the substrate, and the trigger piece is right opposite to the pressing column and is used for the pressing column to abut against.
The button accept in the part of button hole is equipped with around press the binding face of post, the binding face is perpendicular press post length direction, flexible sealing member has sealed face, sealed face with the medial surface is in the sealed laminating of department around the button hole, sealed face with the sealed laminating of binding face, press the hole set up in sealed face.
Wherein, flexible sealing member adopts the silica gel material.
The shell comprises a shell plate and a decorative piece, an accommodating hole is formed in the shell plate, the decorative piece is accommodated in the accommodating hole, and the outer side face and the inner side face are arranged on the decorative piece.
Wherein, the peripheral side of the decoration closely butts with the inner peripheral side of the accepting hole.
The button assembly comprises a base plate, a pressing hole and a flat cable, wherein the base plate is provided with a flat cable hole, the extending direction of the flat cable hole is parallel to the extending direction of the pressing hole, the button assembly further comprises a flat cable, one end of the flat cable is electrically connected with the triggering piece, and the other end of the flat cable penetrates through the flat cable hole and is used for being connected with a power supply.
The decoration piece is attached to the part of the flexible sealing element, an annular sealing groove is formed in the part of the flexible sealing element, the annular sealing groove surrounds the periphery of the key hole, and the flexible sealing element is provided with an annular sealing strip matched with the annular sealing groove.
In a second aspect, the present application provides an electric toothbrush comprising a key assembly as described in any of the above.
Wherein the electric toothbrush further comprises a power supply assembly, the power supply assembly is arranged in the shell, and the power supply is electrically connected with the trigger component.
Wherein, electric toothbrush still includes brush head subassembly and motor, brush head subassembly includes brush holder and brush head, the brush head is fixed in the one end of brush holder, the shell is equipped with the delivery outlet, the motor accept in the shell, with power supply module electricity is connected, the motor is equipped with and passes the output shaft of delivery outlet, the output shaft pass the delivery outlet one end with the brush holder is kept away from the one end fixed connection of brush head.
The application provides a button subassembly and electric toothbrush, flexible sealing member presss from both sides and locates the base plate with the decoration, flexible sealing member with the decoration is sealed fixed, and flexible sealing member with the button is sealed fixed, just the decoration adopts sealing connection with the shell plate, prevents that moisture from passing through button subassembly gets into electric toothbrush, has improved electric toothbrush's waterproof nature.
Drawings
Fig. 1 is a schematic structural diagram of a key assembly according to an embodiment of the present application.
Fig. 2 is an exploded view of a part of a key assembly according to an embodiment of the present application.
Fig. 3 is an exploded view of a part of a key assembly according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a partial key assembly according to an embodiment of the present application.
Fig. 5 is an exploded view of a part of a key assembly according to an embodiment of the present application.
Fig. 6 is an exploded view of another angle structure of a portion of a key assembly according to an embodiment of the present application.
Fig. 7 is an exploded view of a portion of the electric toothbrush of one embodiment of the present application.
Fig. 8 is a schematic view of the overall structure of an electric toothbrush according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without inventive step, are within the scope of the present disclosure.
In the description of the embodiments of the present application, it should be understood that the terms "thickness" and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, and do not imply or indicate that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
Referring to fig. 1, 2 and 3, the application provides a key assembly 1, where the key assembly 1 includes a housing 2, a key 5, a flexible sealing member 6, a substrate 7 and a trigger member 8, the housing 2 has an outer side 9 and an inner side 10 opposite to the outer side 9, the housing 2 is provided with a key hole 11 penetrating through the outer side 9 and the inner side 10, a portion of the key 5 is accommodated in the key hole 11, a portion of the key 5 accommodated in the key hole 11 is provided with a pressing column 12, a length direction of the pressing column 12 is parallel to an extending direction of the key hole 11, the flexible sealing member 6 is fixed to the key 5 in a sealing manner, the flexible sealing member 6 is fixed to the housing 2 in a sealing manner, the flexible sealing member 6 is provided with a pressing hole 15, the extending direction of the pressing hole 15 is parallel to the extending direction of the pressing column 12, the pressing hole 15 is used for allowing the pressing column 12 to penetrate, the substrate 7 is fixed on one side, deviating from the shell 2, of the flexible sealing element 6, the trigger piece 8 is fixed on the substrate 7, and the trigger piece 8 is right opposite to the pressing column 12 for abutting against the pressing column 12.
Key 5 accept in the part of key hole 11 is equipped with centers on press the binding face 13 of post 12, binding face 13 is perpendicular press 12 length direction of post, flexible sealing member 6 has sealed face 14, sealed face 14 with medial surface 9 is in the sealed laminating of department around the key hole 11, sealed face 14 with binding face 13 seals the laminating, press hole 15 to set up in sealed face 14.
In the present embodiment, the key 5 is disposed in a long strip shape, the key 5 has a pressing surface 43, the pressing surface 43 is disposed on a side of the key 5 opposite to the pressing column 12, and the pressing surface 43 is used for being pressed by a user. One side of the key 5, which is far away from the pressing surface 43, is provided with a groove 16, the opening end of the groove 16 is used for being attached to the flexible sealing element 6, the pressing column 12 is arranged on the key 5, a part of the pressing column 12 is contained in the groove 16, and the part of the pressing column 12, which extends out of the groove 16, is used for penetrating through the pressing hole 15 and abutting against the trigger 8.
The groove 16 is provided to utilize an edge side of the groove 16, that is, a side wall 17 between the key 5 and the groove 16, the side wall 17 is matched with the flexible sealing member 6, the flexible sealing member 6 is provided with a shallow groove 18 corresponding to the side wall 17, the shallow groove 18 is used to accommodate the side wall 17, and a part of the flexible sealing member 6 contacting with the key 5 is sealed and fixed by a dispensing process, so that moisture does not enter the groove 16 of the key 5.
Referring to fig. 2 and 3, a pressing hole 15 is formed in one side of the flexible sealing element 6, which is attached to the key 5, the pressing hole 15 penetrates through the flexible sealing element 6, the pressing hole 15 is surrounded by the shallow groove 18, the pressing hole 15 and the pressing column 12 are in clearance fit, the pressing hole 15 is used for the pressing column 12 to penetrate through, and the pressing column 12 penetrates through the flexible sealing element 6.
The flexible sealing member 6 is provided with a substrate surface 44 facing away from the key 5, the substrate surface 44 of the flexible sealing member 6 is provided with a trigger groove 19, an opening end of the trigger groove 19 is attached to the substrate 7, and the trigger groove 19 is used for accommodating the flat cable 20 and the trigger device.
Referring to fig. 4, 5 and 6, the substrate 7 is fixed to the flexible sealing member 6, two protruding columns 21 are disposed on a side of the substrate surface 44 facing the flexible sealing member 6, the two protruding columns 21 are used for fixing a trigger 8 and other circuit accessories, the trigger 8 is fixed to a side of the substrate surface 44 facing the flexible sealing member 6, and the trigger 8 is used for the pressing column 12 to abut against.
In the present embodiment, the number of the protruding columns 21 is two, and it is understood that the number of the protruding columns 21 is not limited to this embodiment, and in other embodiments, the number of the protruding columns 21 may be four, five, six, and the like.
In this embodiment, flexible sealing member 6 adopts the silica gel material, and the silica gel material texture is soft, and is inseparable with the laminating of other materials, can play fine sealed effect, in other embodiments, flexible sealing member 6 can also adopt other flexible materials such as rubber.
Referring to fig. 5, 6 and 7, the housing 2 includes a shell plate 3 and a decoration 4, the shell plate 3 is provided with an accommodating hole 40, the decoration 4 is provided with an outer side surface 9 having the inner side surface 10 opposite to the inner side surface 10, the decoration 4 is attached to the flexible sealing member 6 in a sealing manner, and the decoration 4, the flexible sealing member 6, the key 5, the trigger member 8 and the substrate 7 are all accommodated in the accommodating hole 40.
In this embodiment, lateral surface 9 of decoration 4 with the outside face parallel and level of shell plate 3, decoration 4 is in set up button card and strip 22 on the pore wall of accepting hole 40, button card and strip 22 center on the week side of the pore wall of button hole 11 sets up, button 5 with one side that press face 43 is relative is equipped with button cooperation strip 23, button cooperation strip 23 set up in week side of button 5, just button cooperation strip 23 is close to the medial surface 10 of decoration 4, button cooperation strip 23 with button card and strip 22 card and, be used for guaranteeing button 5 accept in button hole 11, in order to prevent button 5 drops.
The decoration 4 is a strip-shaped part and is provided with a key hole 11, the decoration 4 is provided with the inner side surface 10 and the outer side surface 9, the decoration 4 is arranged in the length direction, two ends of the decoration 4 are provided with a clamp and a column 24, the end plane of the clamp and the column 24 is provided with a fixing groove 25, the flexible sealing element 6 is provided with a clamp and a hole 26 opposite to the clamp and the column 24, the clamp and the hole 26 are used for the clamp and the column 24 to pass through, the substrate 7 is provided with a fixing hole 27 opposite to the fixing groove 25, the key assembly 1 further comprises a fixing column 42, the fixing column 42 sequentially passes through the fixing hole 27 and the clamp and the hole 26, and the fixing column 42 extends into the fixing groove 25 to fix the decoration 4, the flexible sealing element 6 and the substrate 7.
Referring to fig. 5, 6 and 7, the peripheral side surface of the decoration 4 is closely abutted against the inner peripheral side surface of the receiving hole 40.
In this embodiment, the shell plate 3 and the decoration 4 are in clearance fit, that is, a clearance is left between the shell plate 3 and the decoration 4, the outer side surface of the shell plate 3 is flush with the outer side surface 9 of the decoration 4, and the shell plate 3 and the decoration 4 are sealed and fixed by a dispensing process, so as to effectively prevent moisture from entering from a gap between the shell plate 3 and the decoration 4.
The decoration 4 laminate in annular seal groove 28 is seted up to flexible sealing member 6's part, annular seal groove 28 encircles key hole 11 week side, flexible sealing member 6 be equipped with annular seal groove 28 complex annular sealing strip 29.
The decoration 4 with it is sealed fixed between the flexible seal piece 6, decoration 4 is being around be equipped with annular seal groove 28 around the button hole 11, annular seal groove 28 set up in medial surface 10, flexible seal piece 6 be equipped with annular seal groove 28 corresponds annular seal strip 29, annular seal strip 29 accept in annular seal groove 28, annular seal strip 29 with adopt the point to glue between the annular seal groove 28 and fix.
Such a structure facilitates the sealing fixation between the decoration 4 and the flexible sealing member 6, preventing the moisture flowing to the flexible sealing member 6 from flowing into the electric toothbrush through the side of the flexible sealing member 6.
Referring to fig. 5, the substrate 7 is provided with a flat cable hole 30, an extending direction of the flat cable hole 30 is parallel to an extending direction of the pressing hole 15, the key assembly 1 further includes a flat cable 20, one end of the flat cable 20 is electrically connected to the trigger 8, and the other end of the flat cable 20 passes through the flat cable hole 30 to be connected to a power supply.
In the present embodiment, the flat cable 20 may be a conductive wire made of different materials, such as a copper wire and an aluminum wire. That is, the flat cable 20 may be made of any material including, but not limited to, copper wire and aluminum wire, as long as the flat cable 20 can achieve electrical conductivity.
The base plate 7 is provided with a line arranging hole 30, and the extending direction of the line arranging hole 30 is parallel to the extending direction of the key hole 11. In this embodiment, the wire arranging hole 30 is located on one side of the substrate 7, a groove for accommodating the flat cable 20 is formed on one side of the substrate 7 facing the flexible sealing member 6, one end of the flat cable 20 is electrically connected to the trigger 8, and the other end of the flat cable 20 extends out of the groove of the flat cable 20 through the wire arranging hole 30 for connecting a power supply.
In other embodiments, the flat cable hole 30 may be opened at other positions of the substrate 7, and the flat cable 20 may be passed through as long as the extending direction of the flat cable hole 30 is parallel to the extending direction of the key hole 11.
Referring to fig. 7 and 8, the present application provides an electric toothbrush 50, wherein the electric toothbrush 50 includes the key assembly 1 described above, the electric toothbrush 50 further includes a power supply assembly 39, the power supply assembly 39 is disposed in the housing 2, and the power supply assembly 39 is electrically connected to the trigger assembly 8.
It is understood that the housing plate 3 can be further divided into a transparent plate 31 and a housing case 32, the housing case 32 is provided with a housing hole 40 for housing the transparent plate 31, the transparent plate 31 is provided with a mounting hole 45, and the mounting hole 45 is used for housing other parts of the key assembly 1.
The electric toothbrush 50 further comprises a brush head assembly 33 and a motor 34, the brush head assembly 33 comprises a brush handle 35 and a brush head 36, the brush head 36 is fixed at one end of the brush handle 35, the housing 2 is provided with an output hole 37, the motor 34 is contained in the housing 2 and electrically connected with the power supply assembly 39, the motor 34 is provided with an output shaft 41 penetrating through the output hole 37, and the output shaft 41 penetrates through the output hole 37 and is fixedly connected with one end of the brush handle 35 far away from the brush head 36.
The electric toothbrush 50 further comprises an inner holder 38, the inner holder 38 is received in the receiving case 32, the motor 34 and the power supply module 39 are assembled on the inner holder 38, the power supply module 39 is electrically connected to the motor 34, and the power supply module 39 is electrically connected to the flat cable 20.
The application provides a button subassembly 1 and electric toothbrush 50, flexible sealing member 6 presss from both sides and locates base plate 7 with decoration 4, flexible sealing member 6 with decoration 4 is sealed fixed, and flexible sealing member 6 with button 5 is sealed fixed, just decoration 4 adopts sealing connection with shell plate 3, and moisture can not pass through button subassembly 1 gets into electric toothbrush 50, has improved electric toothbrush 50's waterproof nature.
The foregoing is an implementation of the embodiments of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the embodiments of the present application, and these modifications and decorations are also regarded as the protection scope of the present application.

Claims (10)

1. A key assembly is characterized by comprising a shell, a key, a flexible sealing element, a substrate and a trigger element, wherein the shell is provided with an outer side surface and an inner side surface which is opposite to the outer side surface, the shell is provided with a key hole which penetrates through the outer side surface and the inner side surface, a part of the key is contained in the key hole, a part of the key which is contained in the key hole is provided with a pressing column, the length direction of the pressing column is parallel to the extending direction of the key hole, the flexible sealing element is fixed with the key in a sealing way, the flexible sealing element is fixed with the shell in a sealing way, the flexible sealing element is provided with a pressing hole, the extending direction of the pressing hole is parallel to the extending direction of the pressing column, the pressing hole is used for the pressing column to pass through, and the substrate is fixed on one side of the flexible sealing element, the trigger piece is fixed on the substrate, and the trigger piece is right opposite to the pressing column and is used for the pressing column to abut against.
2. The key assembly of claim 1, wherein the portion of the key received in the key hole has an engaging surface surrounding the key post, the engaging surface is perpendicular to the length direction of the key post, the flexible sealing member has a sealing surface, the sealing surface is in sealing engagement with the inner side surface at the periphery of the key hole, the sealing surface is in sealing engagement with the engaging surface, and the key hole is opened in the sealing surface.
3. The key assembly of claim 1, wherein the flexible sealing member is made of silicone.
4. The key assembly of claim 1, wherein the housing includes a casing plate and a decoration, the casing plate is provided with a receiving hole, the decoration is received in the receiving hole, and the outer side surface and the inner side surface are disposed on the decoration.
5. The key assembly according to claim 4, wherein a peripheral side surface of the decoration abuts against an inner peripheral side surface of the receiving hole.
6. The key assembly of claim 1, wherein the substrate has a row wire hole extending in a direction parallel to the pressing hole, the key assembly further comprising a flat cable, one end of the flat cable being electrically connected to the triggering member, and the other end of the flat cable passing through the row wire hole for connecting to a power source.
7. The key assembly of claim 1, wherein a portion of the decoration, which is attached to the flexible sealing member, is provided with an annular sealing groove, the annular sealing groove surrounds a periphery of the key hole, and the flexible sealing member is provided with an annular sealing strip which is engaged with the annular sealing groove.
8. An electric toothbrush comprising a key assembly according to any one of claims 1 to 8.
9. The electric toothbrush of claim 8, further comprising a power supply assembly disposed within the housing, the power supply being electrically connected to the trigger.
10. The powered toothbrush as defined in claim 9, further comprising a brush head assembly and a motor, wherein the brush head assembly includes a handle and a brush head, the brush head is fixed to an end of the handle, the housing has an output hole, the motor is received in the housing and electrically connected to the power supply assembly, the motor has an output shaft passing through the output hole, and an end of the output shaft passing through the output hole is fixedly connected to an end of the handle away from the brush head.
CN202011200620.1A 2020-10-31 2020-10-31 Key assembly and electric toothbrush Active CN112309745B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011200620.1A CN112309745B (en) 2020-10-31 2020-10-31 Key assembly and electric toothbrush

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Application Number Priority Date Filing Date Title
CN202011200620.1A CN112309745B (en) 2020-10-31 2020-10-31 Key assembly and electric toothbrush

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CN112309745A true CN112309745A (en) 2021-02-02
CN112309745B CN112309745B (en) 2023-08-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023155626A1 (en) * 2022-02-21 2023-08-24 深圳素士科技股份有限公司 Key structure and electric toothbrush

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1729733A (en) * 2002-12-21 2006-02-01 布劳恩股份有限公司 Electrical appliance housing
JP2009129543A (en) * 2007-11-19 2009-06-11 Omron Healthcare Co Ltd Fastening structure of case main body and cover
KR101789925B1 (en) * 2016-06-05 2017-10-25 아이탑스오토모티브 주식회사 Push button switch assembly and manufacturing method thereof
CN208538731U (en) * 2018-06-08 2019-02-22 深圳市今日电器有限公司 A kind of Waterproof push-button
CN211381902U (en) * 2019-06-06 2020-09-01 珠海中宏昌盛健康科技有限公司 Waterproof and anti-pollution device for electric toothbrush

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1729733A (en) * 2002-12-21 2006-02-01 布劳恩股份有限公司 Electrical appliance housing
JP2009129543A (en) * 2007-11-19 2009-06-11 Omron Healthcare Co Ltd Fastening structure of case main body and cover
KR101789925B1 (en) * 2016-06-05 2017-10-25 아이탑스오토모티브 주식회사 Push button switch assembly and manufacturing method thereof
CN208538731U (en) * 2018-06-08 2019-02-22 深圳市今日电器有限公司 A kind of Waterproof push-button
CN211381902U (en) * 2019-06-06 2020-09-01 珠海中宏昌盛健康科技有限公司 Waterproof and anti-pollution device for electric toothbrush

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023155626A1 (en) * 2022-02-21 2023-08-24 深圳素士科技股份有限公司 Key structure and electric toothbrush

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