CN213883617U - Toothbrush connection structure and electric toothbrush - Google Patents
Toothbrush connection structure and electric toothbrush Download PDFInfo
- Publication number
- CN213883617U CN213883617U CN202022485487.0U CN202022485487U CN213883617U CN 213883617 U CN213883617 U CN 213883617U CN 202022485487 U CN202022485487 U CN 202022485487U CN 213883617 U CN213883617 U CN 213883617U
- Authority
- CN
- China
- Prior art keywords
- toothbrush
- connecting rod
- mounting groove
- motor shaft
- fixed cover
- 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.)
- Active
Links
Images
Landscapes
- Brushes (AREA)
Abstract
The application provides a connection structure and electric toothbrush of toothbrush, toothbrush connection structure includes motor shaft, brush head pole and fixed cover, the one end of motor shaft is equipped with the installation pole, the week side of installation pole is equipped with the constant head tank, the one end of brush head pole is equipped with the connecting rod, the mounting groove is seted up to the terminal surface of connecting rod, and the mounting groove inner wall is equipped with the locating piece, the mounting groove is acceptd the installation pole, the locating piece with constant head tank location fit, fixed cover is located the connecting rod, the inner wall of fixed cover with the periphery side laminating of connecting rod, fixed cover is used for preventing the connecting rod fracture. The application provides a toothbrush connection structure and electric toothbrush, simple structure, through the structural stability at connection position has been consolidated in the cooperation of connecting rod, installation pole and fixed cover.
Description
Technical Field
The application relates to the technical field of transmission structures, in particular to a toothbrush connecting structure and an electric toothbrush.
Background
With the development of society, the living standard of people is continuously improved, people pay more and more attention to oral health, and the electric toothbrush is produced. The existing electric toothbrushes are more and more in types and functions, in the upgrading process of the electric toothbrush, the cleaning capacity of the brush head tends to be improved more, the driving device is improved, the intelligent control and the like, the driving shaft connection structure in the electric toothbrush is not improved much all the time, the connection between the brush head rod and the brush handle part of the electric toothbrush in the market is not firm, and the structural stability is poor.
SUMMERY OF THE UTILITY MODEL
The application provides a toothbrush connection structure and electric toothbrush.
On the one hand, this application provides a toothbrush connection structure, toothbrush connection structure includes motor shaft, brush head pole and fixed cover, the one end of motor shaft is equipped with the installation pole, the week side of installation pole is equipped with the constant head tank, the one end of brush head pole is equipped with the connecting rod, the mounting groove is seted up to the terminal surface of connecting rod, and mounting groove inner wall is equipped with the locating piece, the mounting groove is acceptd the installation pole, the locating piece with constant head tank location cooperation, fixed cover is located the connecting rod, fixed cover length is greater than or equal to mounting groove extension length, just the one end and the connecting rod of fixed cover are seted up the one end of mounting groove is alignd, the inner wall of fixed cover with the laminating of the periphery side of connecting rod, fixed cover is used for preventing the connecting rod fracture.
The end face of the installation rod and the peripheral side face of the installation rod are provided with a chamfer face, and the chamfer face is used for being matched with the inner wall of the installation groove to reduce insertion resistance.
Wherein, the length of the connecting rod is equal to that of the fixing sleeve.
The connecting rod is in the mounting groove inboard is equipped with along parallel axial's the face of splining, the mounting rod be equipped with the fitting surface of splining the laminating.
The brush head rod is provided with a first strip hole and a second strip hole on the inner wall of the mounting groove, the first strip hole and the second strip hole penetrate through the outer surface of the brush head rod to form an elastic strip between the first strip hole and the second strip hole, the positioning block is arranged on the elastic strip, and the elastic strip is used for providing elastic force for the positioning block to be in elastic interference fit with the positioning groove.
In another aspect, the present application provides an electric toothbrush including the toothbrush attachment structure of any one of the above.
The electric toothbrush further comprises a motor assembly, a power supply assembly and a support, the motor assembly is connected with one end, far away from the brush head rod, of the motor shaft to drive the motor shaft to vibrate, the power supply assembly is electrically connected with the motor assembly to provide electric energy to the motor assembly, and the support supports the motor assembly and the power supply assembly.
The electric toothbrush further comprises a shell, the shell is provided with a cavity and an output hole communicated with the cavity, the motor assembly, the power assembly and the support are all contained in the cavity, and one end, far away from the motor assembly, of the motor shaft penetrates through the output hole.
Wherein, the motor shaft is equipped with the annular arch, the bellied axial direction of annular with the axial direction coincidence of motor shaft, the bellied outer axle side of annular with the interior peripheral side of delivery port is just right, electric toothbrush still includes the flexible cover, flexible cover elasticity is contradicted the bellied periphery side of annular with the interior peripheral side of delivery port.
The electric toothbrush further comprises a waterproof ring, the waterproof ring is arranged between the annular protrusion and the motor assembly and sleeved on the motor shaft, the waterproof ring is provided with an outer attaching surface and an inner attaching surface which is opposite to the outer attaching surface, the outer attaching surface is in sealing attachment with the inner wall of the shell, and the inner attaching surface is in sealing attachment with the side face of the periphery of the motor shaft.
The application provides a toothbrush connection structure and electric toothbrush, the installation pole assemble in the mounting groove, locating piece assembly block in the constant head tank, fixed cover sleeve is located the connecting rod, the interior week side of fixed cover with the laminating of the periphery side of connecting rod has consolidated the structural stability who connects the position.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below.
Fig. 1 is a toothbrush connecting structure provided in the embodiments of the present application.
Fig. 2 is a cross-sectional view of a toothbrush attachment structure provided in accordance with an embodiment of the present application.
Fig. 3 is a schematic view of a toothbrush attachment structure provided in the embodiments of the present application.
Fig. 4 is a schematic structural diagram of a bracket provided in an embodiment of the present application.
Fig. 5 is a schematic view of a portion of a powered toothbrush provided in accordance with an embodiment of the present application.
FIG. 6 is a cross-sectional view of a housing of an electric toothbrush according to an embodiment of the present application.
Fig. 7 is a schematic view of a waterproof ring provided in an embodiment of the present application.
Fig. 8 is an electric toothbrush provided in 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 present application provides a toothbrush connecting structure 1, wherein the toothbrush connecting structure 1 comprises a motor shaft 2, a brush head rod 3 and a fixing sleeve 4. Motor shaft 2's one end is equipped with installation pole 5, the week side of installation pole 5 is equipped with constant head tank 6, brush head pole 3's one end is equipped with connecting rod 7, mounting groove 9 is seted up to connecting rod 7's terminal surface, and mounting groove 9 inner wall is equipped with locating piece 8, mounting groove 9 is acceptd installation pole 5, locating piece 8 with 6 location fit in constant head tank, fixed cover 4 cover is located connecting rod 7, fixed cover 4 length is not less than 9 extension length in mounting groove, the inner wall of fixed cover 4 with the periphery side laminating of connecting rod 7, fixed cover 4 is used for preventing connecting rod 7 fracture.
In the present embodiment, the column part of the motor shaft 2 is a cylindrical rod, and the mounting rod 5 belongs to a part of the rod on the motor shaft 2. Namely, the mounting rod 5 and the motor shaft 2 are axially overlapped, the positioning groove 6 is formed in the peripheral side face of the mounting rod 5, and the positioning groove 6 is a V-shaped groove which can play a role in clamping. Connecting rod 7 does brush head pole 3's part member, brush head pole 3 is relative the one end of connecting rod 7 is equipped with brush head 21, be equipped with brush hair 22 on the brush head 21, connecting rod 7 diameter is less than brush head pole 3 other main part's diameter, fixed cover 4 covers are located connecting rod 7, connecting rod 7 with fixed cover 4 whole diameter with brush head pole 3 other main part's diameter equals, connecting rod 7 is in mounting groove 9 be equipped with V type locating piece 8 that V type groove corresponds, V type locating piece 8 locate with the one side that brush hair 22 carried on the back mutually.
In another embodiment, the motor shaft 2 and the brush head rod 3 may be polygonal square rods, and the positioning groove 6 may be formed in other shapes such as a rectangular triangular groove and an elliptical groove, in addition to a V-shaped groove, that is, may be engaged with the positioning block 8 to realize the engagement between the connecting rod 7 and the mounting rod 5. In other embodiments, the positioning block 8 may be provided in plural, that is, the number of the positioning blocks 8 and the positioning grooves 6 is not limited to one in this embodiment. And the positioning block 8 can be arranged at any position of the circumferential side surface of the mounting rod 5, and the positioning groove 6 is matched with the positioning block 8.
In this embodiment, fixed cover 4 adopts the plastic material, and the plastic material has fine elasticity and flexibility, because connecting rod 7 is hard material, very easy in long-time use, the condition of fracture appears in connecting rod 7, fixed cover 4 tightly overlap in connecting rod 7 has played better guard action to connecting rod 7.
In other embodiments, the fixing sleeve 4 may also be made of flexible material such as silicone rubber or rubber.
The end face of the installation rod 5 and the peripheral side face of the installation rod 5 are provided with a chamfer face 13, and the chamfer face 13 is used for being matched with the inner wall of the installation groove 9 to reduce the insertion resistance.
In the present embodiment, the chamfered surface 13 is provided as a flat surface, and has a simple structure, and can reduce the insertion resistance of the mounting rod 5 into the mounting groove 9. In other embodiments, the chamfered surface 13 may be a curved surface, and the same technical effects as those of the present embodiment can be achieved, but the structure is slightly complicated when manufacturing parts, as compared with the planar chamfered surface 13 of the present embodiment.
The length of the connecting rod 7 is equal to that of the fixing sleeve 4.
In this embodiment, the length that the mounting groove 9 extends is less than the length of connecting rod 7, whole connecting rod 7 is located to fixed cover 4 cover, and this kind of mode of setting can be more comprehensive the protection of connecting rod 7, promptly the length of fixed cover 4 is greater than the length direction that mounting groove 9 extends, with the connecting rod 7 sets up the part of mounting groove 9 and the connecting rod 7 that adjoins this part protect, has also carried out fine protection to other parts of connecting rod 7.
In other embodiments, the length of the fixing sleeve 4 may be equal to the length direction of the mounting groove 9, that is, the fixing sleeve 4 tightly hoops the portion of the connecting rod 7 where the mounting groove 9 is opened.
In this embodiment, an inner convex circle 10 is provided at one end of the fixing sleeve 4 close to the notch of the mounting groove 9, and the diameter of the inner convex circle 10 is equal to the diameter of the notch of the mounting groove 9, that is, the inner convex circle 10 is passed by the mounting rod 5. This structure has played fine crack control effect to the connecting rod 7 of the notch part of mounting groove 9.
In other embodiments, the fixing sleeve 4 may not be provided with the inner convex circle 10, and the fixing sleeve 4 only protects the main body portion of the connecting rod 7, so that the protection effect on the edge portion of the notch of the mounting groove 9 is not good enough.
Connecting rod 7 is in installation groove 9 inboard is equipped with along parallel axial's rotation stopping face 11, installation pole 5 be equipped with the fitting surface 12 of rotation stopping 11 laminating.
Because the main body of the mounting rod 5 extending into the mounting groove 9 is a cylinder, if the rotation stop surface 11 is not provided, the mounting rod 5 and the mounting groove 9 can rotate relatively in the axial direction.
In the present embodiment, the rotation stopping surfaces 11 are two planes which are relatively parallel to each other inside the mounting groove 9, and the two planes change the fit relationship between the mounting rod 5 and the mounting groove 9, so that the relative rotation between the mounting rod 5 and the mounting groove 9 is prevented.
In other embodiments, the rotation stop surface 11 may be a single plane inside the mounting groove 9, or may be a plurality of planes provided inside the mounting groove 9, that is, the regular cylindrical inner surface of the mounting groove 9 may be changed.
The rotation stopping surface 11 is a plane, and the rotation stopping surface 11 is connected with the circular inner wall of the mounting groove 9 by adopting an inclined surface, so that the smooth assembly of the mounting rod 5 and the connecting rod 7 is facilitated.
Referring to fig. 3, the inner wall of the mounting groove 9 of the brush head rod 3 is provided with a first long hole 14 and a second long hole 15, the first long hole 14 and the second long hole 15 penetrate through the outer surface of the brush head rod 3 to form an elastic strip 16 between the two first long holes 14 and the second long holes 15, the positioning block 8 is disposed on the elastic strip 16, and the elastic strip 16 is used for providing an elastic force for the positioning block 8 to elastically abut against and cooperate with the positioning groove 6.
In the present embodiment, the longitudinal direction of the first elongated hole 14 and the second elongated hole 15 is parallel to the longitudinal direction of the connecting rod 7, a rod wall is provided between the outer peripheral side surface of the connecting rod 7 and the inside of the mounting groove 9, the first elongated hole 14 and the second elongated hole 15 penetrate through the rod wall, and the elastic strip 16 is a part of the rod wall between the first elongated hole 14 and the second elongated hole 15.
When the connecting rod 7 is assembled with the mounting rod 5, in the process of inserting the mounting rod 5 into the mounting groove 9, the peripheral side surface of one end of the mounting rod 5 firstly contacts the positioning block 8, and the positioning block 8 has no elasticity, i.e. if the elastic strip 16 is not arranged, the mounting rod 5 cannot continuously go deep into the mounting groove 9.
The elastic strip 16 is arranged to act as a positioning block 8 when one end of the installation rod 5 contacts the positioning block 8, the positioning block 8 is abutted by the installation rod 5, the positioning block 8 obtains a repulsive force far away from the installation rod 5, when the repulsive force is larger than the elastic force of the elastic strip 16, the positioning block 8 is displaced in a direction far away from the installation rod 5, when the installation rod 5 extends into the installation groove 9, the positioning groove 6 follows the displacement of the installation rod 5, the positioning groove 6 reaches the matching position of the positioning block 8, the elastic sleeve is elastically restored, the positioning block 8 follows the elastic sleeve to restore to the original shape, and the positioning block 8 is clamped with the positioning groove 6.
Referring to fig. 4, 5 and 8, the present application also provides an electric toothbrush 17, wherein the electric toothbrush 17 comprises the toothbrush connecting structure 1.
The electric toothbrush 17 further includes a motor assembly 18, a power supply assembly 19 and a bracket 20. The motor assembly 18 is connected to an end of the motor shaft 2 remote from the brushhead stem 3 for driving the motor shaft 2 to rotate, the power supply assembly 19 is electrically connected to the motor assembly 18 for supplying electrical power to the motor assembly 18, and the bracket 20 supports the motor assembly 18 and the power supply assembly 19.
In this embodiment, the power supply module 19 may employ a rechargeable battery as a power supply element, and in other embodiments, the power supply module 19 may employ a disposable battery as a power supply element, and the type of battery is not a limitation of the present application, that is, it is sufficient if power supply to the electric toothbrush 17 can be achieved.
The end of the motor shaft 2 remote from the bristle 21 is mounted to the motor assembly 18, the motor shaft 2 serving to transmit the force of the motor assembly 18 to the bristle bar 3.
The bracket 20 is provided with a power supply slot 23 for accommodating the power supply assembly 19 and a motor slot 24 for accommodating the motor assembly 18, and the power supply slot 23 and the motor slot 24 are stacked. The motor module 18 is housed in the motor groove 24, and the power module 19 is housed in the power groove 23.
In other embodiments, the holder 20 may be provided in other manners as long as the power module 19 and the motor module 18 can be fixed to the holder 20.
Referring to fig. 5, 6 and 8, the electric toothbrush 17 further includes a housing 25. The shell 25 is provided with a cavity 26 and an output hole 27 communicated with the cavity 26, the motor assembly 18, the power supply assembly 19 and the bracket 20 are all accommodated in the cavity 26, and one end of the motor shaft 2 far away from the motor assembly 18 penetrates through the output hole 27.
In this embodiment, the housing 25 has a cylindrical appearance, and when the user uses the housing 25, the electric toothbrush 17 is used to feel the hand of the user, and the outer surface of the housing 25 is smooth and integrally arranged.
In other embodiments, the housing 25 may be provided with a rough surface or a shape designed to conform to the shape of a user's hand, i.e., the shape of the housing 25 is not a limiting factor of the present application, as long as the function of housing the motor assembly 18, the power supply assembly 19, and the bracket 20 is achieved.
Referring to fig. 3, 5 and 8, the motor shaft 2 is provided with an annular protrusion 28, an outer shaft side surface of the annular protrusion 28 is opposite to an inner peripheral side surface of the output hole 27, the electric toothbrush 17 further includes a flexible sleeve 29, and the flexible sleeve 29 elastically abuts against the outer peripheral side surface of the annular protrusion 28 and the inner peripheral side surface of the output hole 27.
In this embodiment, annular protrusion 28 is for setting up in the last evagination circle of motor shaft 2, the diameter of evagination circle is less than the diameter of delivery port 27, flexible cover 29 can adopt flexible materials such as plastic, silica gel, promptly flexible cover 29 has elasticity, set up in annular protrusion 28 with between the interior peripheral surface of delivery port 27, play fine dustproof effect.
The flexible sleeve 29 is used for controlling the vibration amplitude of the motor shaft 2, so that the vibration amplitude of the motor shaft 2 is ensured to be within a safety range, the motor shaft 2 is protected, and the service life of the electric toothbrush 17 is prolonged.
Referring to fig. 3, 5 and 8, the electric toothbrush 17 further includes a waterproof ring 30, and the waterproof ring 30 is disposed between the annular protrusion 28 and the motor assembly 18 and sleeved on the motor shaft 2.
Referring to fig. 6 and 7, the waterproof ring 30 is provided with an outer attaching surface 32 and an inner attaching surface 31 opposite to the outer attaching surface 32, the outer attaching surface 32 is in sealing attachment with a part of the inner wall of the housing 25, and the inner attaching surface 31 is in sealing attachment with the peripheral side surface of the motor shaft 2.
In this embodiment, the waterproof ring 30 is made of a silicone material, which is soft and has good damping and sealing effects, and in other embodiments, plastic, rubber, or other materials may be used.
Referring to fig. 3, 6 and 7, the motor assembly 18 is provided with a boss 33 around the motor shaft 2, the boss 33 is close to the output hole 27, the waterproof ring 30 is sleeved on the boss 33, and the waterproof ring 30 elastically abuts against the inner wall of the housing 25 around the output port. The waterproof ring 30 and the motor shaft 2 are sealed and fixed through a glue dispensing process, and the part of the waterproof ring 30, which is abutted against the shell 25, is sealed and fixed through the glue dispensing process.
The application provides a toothbrush connection structure 1 and electric toothbrush 17, installation pole 5 assemble in mounting groove 9, locating piece 8 assemble the block in constant head tank 6, fixed cover 4 cover is located connecting rod 7, the interior peripheral side of fixed cover 4 with the laminating of the periphery side of connecting rod 7 has consolidated the structural stability who connects the position, and is further, has prolonged electric toothbrush 17's life has promoted user's experience and has felt.
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. The utility model provides a toothbrush connection structure, a serial communication port, toothbrush connection structure includes motor shaft, brush head pole and fixed cover, the one end of motor shaft is equipped with the installation pole, the week side of installation pole is equipped with the constant head tank, the one end of brush head pole is equipped with the connecting rod, the mounting groove is seted up to the terminal surface of connecting rod, and mounting groove inner wall is equipped with the locating piece, the mounting groove is acceptd the installation pole, the locating piece with constant head tank location cooperation, fixed cover is located the connecting rod, fixed cover length is greater than or equal to mounting groove extension length, just the one end and the connecting rod of fixed cover are seted up the one end of mounting groove is alignd, the inner wall of fixed cover with the laminating of the periphery side of connecting rod, fixed cover is used for preventing the connecting rod fracture.
2. The toothbrush connecting structure according to claim 1, wherein a chamfered surface is provided between the end surface of the mounting rod and the peripheral side surface of the mounting rod, the chamfered surface being configured to cooperate with an inner wall of the mounting groove to reduce insertion resistance.
3. The toothbrush attachment structure of claim 1 wherein the length of the attachment bar is equal to the length of the harness.
4. The toothbrush connecting structure according to claim 1, wherein the connecting rod is provided with a rotation stopping surface along a parallel axial direction inside the mounting groove, and the mounting rod is provided with a mating surface to be fitted with the rotation stopping surface.
5. The toothbrush connecting structure according to claim 1, wherein the brush head rod is provided with a first elongated hole and a second elongated hole on an inner wall of the mounting groove, the first elongated hole and the second elongated hole penetrate through to an outer surface of the brush head rod so as to form an elastic strip between the two first elongated holes and the second elongated hole, the positioning block is provided on the elastic strip, and the elastic strip is used for providing an elastic force for the positioning block to elastically abut against and match the positioning groove.
6. An electric toothbrush characterized in that it comprises a toothbrush attachment structure according to any one of claims 1 to 5.
7. The electric toothbrush of claim 6, further comprising a motor assembly coupled to an end of the motor shaft remote from the head bar to drive the motor shaft to vibrate, a power assembly electrically coupled to the motor assembly to provide electrical power to the motor assembly, and a bracket supporting the motor assembly and the power assembly.
8. The electric toothbrush of claim 7 further comprising a housing defining a cavity and an output aperture communicating with the cavity, the motor assembly, the power assembly and the bracket being received in the cavity, the end of the motor shaft remote from the motor assembly passing through the output aperture.
9. The electric toothbrush according to claim 8, wherein the motor shaft is provided with an annular projection, an axial direction of the annular projection coincides with an axial direction of the motor shaft, an outer axial side surface of the annular projection faces the inner circumferential side surface of the output hole, and the electric toothbrush further comprises a flexible sleeve elastically abutting against the outer circumferential side surface of the annular projection and the inner circumferential side surface of the output hole.
10. The electric toothbrush according to claim 9, further comprising a waterproof ring disposed between the annular protrusion and the motor assembly and sleeved on the motor shaft, wherein the waterproof ring has an outer attachment surface and an inner attachment surface opposite to the outer attachment surface, the outer attachment surface is in sealing engagement with a portion of the inner wall of the housing, and the inner attachment surface is in sealing engagement with the outer peripheral side surface of the motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022485487.0U CN213883617U (en) | 2020-10-31 | 2020-10-31 | Toothbrush connection structure and electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022485487.0U CN213883617U (en) | 2020-10-31 | 2020-10-31 | Toothbrush connection structure and electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213883617U true CN213883617U (en) | 2021-08-06 |
Family
ID=77116548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022485487.0U Active CN213883617U (en) | 2020-10-31 | 2020-10-31 | Toothbrush connection structure and electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213883617U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023050784A1 (en) * | 2021-09-29 | 2023-04-06 | 爱几度（深圳）科技有限公司 | Electric toothbrush and toothbrush head thereof |
-
2020
- 2020-10-31 CN CN202022485487.0U patent/CN213883617U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023050784A1 (en) * | 2021-09-29 | 2023-04-06 | 爱几度（深圳）科技有限公司 | Electric toothbrush and toothbrush head thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6494902B2 (en) | Oral hygiene equipment | |
| US6920659B2 (en) | Toothbrush | |
| CN213883617U (en) | Toothbrush connection structure and electric toothbrush | |
| CN211156414U (en) | Waterproof intelligent electric toothbrush | |
| CN211243849U (en) | Sound wave electric toothbrush | |
| WO2021003850A1 (en) | Waterproof intelligent electric toothbrush | |
| CN211834830U (en) | Integrated electric toothbrush convenient for replacing brush head | |
| US11439488B2 (en) | Brushhead for power toothbrush | |
| CN111184587A (en) | Electric toothbrush | |
| CN113786261A (en) | Electric auxiliary device for toothbrush | |
| CN216168009U (en) | Brush head and electric toothbrush | |
| CN214679083U (en) | Fixing structure and electric toothbrush | |
| CN209770199U (en) | Face cleaning instrument | |
| CN216495782U (en) | Toothbrush head and electric toothbrush | |
| JP2005261462A (en) | Electric toothbrush | |
| CN219207436U (en) | Waterproof construction and electric toothbrush | |
| CN215915011U (en) | Electric auxiliary device for toothbrush | |
| CN215688674U (en) | Electric toothbrush | |
| CN214761567U (en) | Novel electric toothbrush | |
| CN213787958U (en) | Electric toothbrush | |
| CN211325790U (en) | Electric tooth brush | |
| CN214908504U (en) | Electric toothbrush motor output structure and electric toothbrush | |
| CN219070733U (en) | Brush head, handle and electric toothbrush | |
| CN216777272U (en) | Toothbrush head and electric toothbrush | |
| CN213883622U (en) | Improved electric toothbrush |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |