CN114099037A - Brush head mechanism of electric toothbrush and electric toothbrush - Google Patents
Brush head mechanism of electric toothbrush and electric toothbrush Download PDFInfo
- Publication number
- CN114099037A CN114099037A CN202111573755.7A CN202111573755A CN114099037A CN 114099037 A CN114099037 A CN 114099037A CN 202111573755 A CN202111573755 A CN 202111573755A CN 114099037 A CN114099037 A CN 114099037A
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- CN
- China
- Prior art keywords
- brush
- brush head
- rod
- handle
- electric toothbrush
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
-
- 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
- A61C17/224—Electrical recharging arrangements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
- A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
- A61C17/3472—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body with combined movements of the brush body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
- A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
- A61C17/3481—Vibrating brush body, e.g. by using eccentric weights
Abstract
The invention is suitable for the technical field of electric toothbrushes, and provides a brush head mechanism of an electric toothbrush and the electric toothbrush, which comprises a handle, a deflector rod mechanism and a power supply mechanism; the deflector rod mechanism is arranged in the inner cavity of the handle, the power supply mechanism is arranged in the inner cavity of the handle, and the deflector rod mechanism is positioned on the front side of the power supply mechanism; the shifting lever mechanism comprises a vibration motor. This electric toothbrush' S brush head mechanism and electric toothbrush, connect the front end of connecting rod on the brush board through connecting the fastener, the conduction via the connecting rod during the production vibrations of driving lever mechanism, it carries out the displacement to drive the brush board, being connected the direction through montant and standpipe, it carries out S type vibrations to drive the brush head, finally form S type (8 characters brush teeth) method of brushing teeth, the effect of brushing teeth is better, the effect of the clean dirt of improvement to the tooth, and brush the clearance through directly transmitting vibrations to the brush board on through the brush hair, improve the experience degree that personnel brushed teeth when using.
Description
Technical Field
The invention belongs to the technical field of electric toothbrushes, and particularly relates to a brush head mechanism of an electric toothbrush and the electric toothbrush.
Background
The electric toothbrush makes the brush head generate high-frequency vibration through the quick rotation or vibration of the motor core, instantaneously decomposes the toothpaste into fine foam to deeply clean slits between teeth, and meanwhile, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massage effect on gum tissues.
When the toothbrush is used for brushing teeth, on one hand, the brush head which swings at high frequency can efficiently finish the action of brushing teeth, on the other hand, more than thirty thousand times of vibration per minute can also enable the mixture of toothpaste and water in the oral cavity to generate a large amount of tiny bubbles, and the pressure generated when the bubbles burst can deeply penetrate into the gaps between the teeth to clean dirt.
In the electric toothbrush in the prior art, a motor and a transmission piece in a toothbrush shell are generally used for driving a brush head to vibrate or rotate for brushing teeth, but the brush head is generally integral, the brush head is easily contacted with teeth or the inner wall of the oral cavity in the tooth brushing process, and is easily damaged by high-frequency vibration or rotation, as shown in Chinese patent CN202010337539.1, the technical scheme disclosed by the patent is that the brush head moves along with the change of the distance between the track of an S-shaped track and the center of an L-shaped right-angled head, so that the front-back movement and the simultaneous twisting movement are realized, the existing electric toothbrush is replaced to perform high-frequency low-amplitude rotary movement or vibration, but in the mode, because the brush head only moves forwards and backwards and twists, the amplitude and the frequency of the movement of the bristles relative to the teeth are small, and the general use effect of cleaning is poor.
Disclosure of Invention
The invention provides a brush head mechanism of an electric toothbrush and the electric toothbrush, and aims to provide the electric toothbrush which has the advantages of large brush head movement amplitude, good cleaning effect, simple structure, difficult damage to teeth and low noise.
The invention is realized in such a way that the brush head mechanism of the electric toothbrush and the electric toothbrush comprise an installation rod, wherein the front end of the installation rod is fixedly connected with a brush head cover with an opening at the top;
the top of the brush head cover is detachably provided with a brush plate, the upper surface of the brush plate is provided with brush hairs, and the bottom of the brush plate is fixedly connected with a fixed block;
the bottom of the fixed block is vertically and fixedly connected with a vertical rod, the bottom of the inner wall of the brush head cover is vertically and fixedly connected with a vertical pipe, the vertical rod is covered outside the vertical pipe, and a spring is vertically and fixedly connected between the bottom of the fixed block and the bottom of the inner wall of the brush head cover;
the inner cavity of the brush head cover is provided with a connecting rod, the front end of the deflection deflector rod is clamped and embedded in the rear end of the connecting rod, the rear side face of the fixed block is provided with a connecting clamping piece matched with the connecting rod, and the front end of the connecting rod is clamped and embedded in the connecting clamping piece.
Preferably, the bottom on fixed block surface is provided with connects the bulge loop, the equal fixedly connected with in both sides of brush head lid inner wall with connect the joint lug of bulge loop looks adaptation.
Preferably, the bristles are soft or stiff brushes.
Preferably, the bottom of the brush head cover is provided with a water drainage port.
Preferably, a side face of the brush head cover is transversely provided with a limiting rod, the inner end of the limiting rod extends to the inner cavity of the brush head cover, and a limiting groove matched with the limiting rod is formed in the side face of the fixing block.
An electric toothbrush comprises the brush head mechanism, a handle, a deflector rod mechanism and a power supply mechanism;
the deflector rod mechanism is arranged in the inner cavity of the handle, the power supply mechanism is arranged in the inner cavity of the handle, and the deflector rod mechanism is positioned on the front side of the power supply mechanism;
the driving lever mechanism comprises a vibrating motor, a deflection driving lever is arranged on an output shaft of the vibrating motor, a mounting rod is fixedly connected to the front end of the handle, a brush head cover with an open top is fixedly connected to the front end of the mounting rod, an accommodating channel is formed in the inner cavity of the mounting rod, and the front end of the deflection driving lever extends to the inner cavity of the brush head cover through the inner cavity of the accommodating channel.
Preferably, power mechanism includes the connection shell, connect the shell set up in the top of handle inner chamber, the inside of connecting the shell is provided with the battery, the battery with vibrating motor is the electricity and connects.
Preferably, the rear end of the handle is provided with a wireless charging coil, and the wireless charging coil is electrically connected with the battery.
Preferably, the front end of the deflection deflector rod is fixedly connected with a clamping head, the rear side face of the connecting rod is provided with a clamping groove matched with the clamping head, and the clamping head is clamped and embedded in the clamping groove.
Preferably, be provided with shift knob on the handle, the inner chamber of handle is provided with control circuit board, the fixed cover of front end on connecting shell surface is equipped with the sealing washer, the surface of sealing washer with the front end of handle inner wall is contradicted.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a brush head mechanism of an electric toothbrush and the electric toothbrush, the front end of a connecting rod is connected on a brush board through a connecting clamping piece, the deflector rod mechanism drives the brush board to displace through the conduction of the connecting rod when generating vibration, so that the two ends of the brush board are driven to reciprocate left and right by taking the vertical rod as an axis under the connecting and guiding action of the vertical rod and a vertical pipe in the vibration process of the brush board, finally, an S-shaped tooth brushing (8-shaped tooth brushing) method is formed, the tooth brushing effect is better, the effect of cleaning dirt on teeth is improved, the vibration is directly transmitted to the brush board to brush and clean through bristles, the brush head cover and the mounting rod cannot vibrate and displace together along with the brush board in the tooth brushing process, the vibration is controlled on the brush board, the mounting rod and the brush head cover cannot sense the vibration, the damage of the traditional brush head and the brush cover to the teeth together is solved, the toothbrush head does not rub other oral cavity parts like the whole vibration of the traditional toothbrush head, the experience degree of a person in tooth brushing is improved, only the brushing of the bristles contacts with teeth, the useless uncomfortable vibration is reduced, the consumed battery energy is reduced, and the toothbrush is more energy-saving.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a schematic structural view of a brush plate and a fixing block according to the present invention;
FIG. 3 is a schematic view of the structure of the brush plate and the bristles of the present invention;
FIG. 4 is a schematic view of the construction of the mounting rod and standpipe of the present invention;
FIG. 5 is a schematic view of the construction of the mounting bar and the receiving channel of the present invention;
FIG. 6 is a schematic structural view of a connecting rod and a slot in the present invention;
fig. 7 is a schematic diagram of the motion path trajectory of the present invention.
In the figure: 1. handle, 2, vibrating motor, 3, deflection driving lever, 4, dop, 5, installation pole, 6, hold the passageway, 7, brush head lid, 8, joint lug, 9, shift knob, 10, brush board, 11, brush hair, 12, the fixed block, 13, the connecting rod, 14, the draw-in groove, 15, connect the bulge loop, 16, the spring, 17, connect the fastener, 18, the montant, 19, the standpipe, 20, the gag lever post, 21, the spacing groove, 22, the battery, 23, wireless charging coil, 24, control circuit board, 25, connecting shell, 26, the sealing washer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-7, the present invention provides a technical solution: a brush head mechanism of an electric toothbrush comprises an installation rod 5, wherein a brush head cover 7 with an open top is fixedly connected to the front end of the installation rod 5;
an electric toothbrush comprises a brush head mechanism, a handle 1, a deflector rod mechanism and a power supply mechanism;
the deflector rod mechanism is arranged in the inner cavity of the handle 1, the power supply mechanism is arranged in the inner cavity of the handle 1, and the deflector rod mechanism is positioned on the front side of the power supply mechanism;
the deflector rod mechanism comprises a vibration motor 2, a deflection deflector rod 3 is arranged on an output shaft of the vibration motor 2, an accommodating channel 6 is formed in an inner cavity of the mounting rod 5, and the front end of the deflection deflector rod 3 extends to an inner cavity of the brush head cover 7 through the inner cavity of the accommodating channel 6;
when vibrating, the vibrating motor 2 drives the deflecting deflector rod 3 to vibrate together, and the diameter of the accommodating channel 6 is larger than that of the deflecting deflector rod 3, so that a vibrating space is provided for the deflecting deflector rod 3.
A brush plate 10 is detachably arranged at the top of the brush head cover 7, bristles 11 are arranged on the upper surface of the brush plate 10, and a fixed block 12 is fixedly connected to the bottom of the brush plate 10;
the brush plate 10, the brush 11 and the brush head cover 7 form a complete toothbrush head for use.
The bottom of the fixed block 12 is vertically and fixedly connected with a vertical rod 18, the bottom of the inner wall of the brush head cover 7 is vertically and fixedly connected with a vertical pipe 19, the vertical rod 18 is covered outside the vertical pipe 19, and a spring 16 is vertically and fixedly connected between the bottom of the fixed block 12 and the bottom of the inner wall of the brush head cover 7;
in the process of moving the position of the brush board 10, the fixed block 12 drives the spring 16 to deform to generate elastic force, after the spring 16 deforms to generate elastic force, the fixed block 12 acts on the brush board 10 in a reverse mode, and after the moving stress of the brush board 10 disappears, the elastic force of the spring 16 drives the brush board 10 to restore to the original position.
The inner chamber of brush head lid 7 is provided with connecting rod 13, and the front end card of deflecting driving lever 3 inlays in the rear end of connecting rod 13, and the connection fastener 17 with connecting rod 13 looks adaptation is seted up to the trailing flank of fixed block 12, and the front end card of connecting rod 13 inlays in the inside of connecting fastener 17.
Connect the front end of connecting rod 13 on brush board 10 through connecting fastener 17, via connecting rod 13' S conduction during the production vibrations of driving lever mechanism, drive brush board 10 and carry out the displacement, make brush board 10 at the in-process of vibrations, under the guiding action of being connected through montant 18 and standpipe 19, drive brush board 10 both ends and use montant 18 to reciprocate the wrench movement about the axle center, finally form S type and brush teeth (8 characters brush teeth) the method, the range of motion is bigger, the effect of brushing teeth is better, the improvement is to the effect of tooth cleaning dirt.
And brush the clearance through brush hair 11 on directly transmitting vibrations to brush board 10, brush head lid 7 and installation pole 5 can not follow brush board 10 together and shake the displacement of brushing teeth in-process, with vibration control on brush board 10, installation pole 5 and brush head lid 7 do not respond to vibrations, can not collide with the tooth when 7 high frequency vibrations of brush head lid, thereby avoid causing the damage to the tooth, the security is better, solve the injury of traditional brush head and brush lid together vibrations to the tooth, the noise is also littleer, improve the experience degree of personnel when brushing teeth and using.
In the process of brushing teeth, even if the brush head cover 7 touches the teeth, the brush head cover is only slightly touched, and the teeth are slightly damaged under the condition of not carrying out high-frequency vibration or rotation.
Furthermore, the bottom on the surface of the fixed block 12 is provided with a connecting convex ring 15, and the two sides of the inner wall of the brush head cover 7 are fixedly connected with clamping convex blocks 8 matched with the connecting convex ring 15.
In this embodiment, the connection protruding ring 15 is located below the engaging protrusion 8, and the brush plate 10 is fixed above the brush head cover 7 by the interference between the connection protruding ring 15 and the engaging protrusion 8.
Further, the power supply mechanism comprises a connecting shell 25, the connecting shell 25 is arranged at the top of the inner cavity of the handle 1, a battery 22 is arranged inside the connecting shell 25, and the battery 22 is electrically connected with the vibration motor 2.
In the present embodiment, the battery 22 supplies power when the vibration motor 2 is operated, and the connection case 25 is positioned and attached to the battery 22 when the battery 22 is used, thereby improving stability when the battery 22 is used.
Further, the rear end of the handle 1 is provided with a wireless charging coil 23, and the wireless charging coil 23 is electrically connected with the battery 22.
In this embodiment, wireless charging coil 23 is prior art, and it is unnecessary here to describe repeatedly, is convenient for carry out wireless charging to battery 22 through the wireless charging coil 23 that is provided with, and supplementary battery 22 is the electric energy that the during operation of deflection driving lever 3 consumed.
Furthermore, the front end of the deflection deflector rod 3 is fixedly connected with a clamping head 4, the rear side face of the connecting rod 13 is provided with a clamping groove 14 matched with the clamping head 4, and the clamping head 4 is clamped and embedded in the clamping groove 14.
In this embodiment, insert the inside of draw-in groove 14 through dop 4, can connecting rod 13 inlay card in the front end of deflecting driving lever 3, and then during vibrating motor 2 drive deflecting driving lever 3 shakes, conduct to connecting rod 13 for connecting rod 13 shakes, and connecting rod 13 is at the in-process of shaking, through the transmission of fixed block 12, and then drives brush board 10 and shake and begin the displacement.
Further, a switch button 9 is arranged on the handle 1, and a control circuit board 24 is arranged in the inner cavity of the handle 1.
In the present embodiment, the control circuit board 24 is a conventional circuit board, and will not be described herein, and the work of the vibration motor 2 can be controlled manually by pressing the switch button 9 and controlling the control circuit board 24.
Further, the front end of the surface of the connecting shell 25 is fixedly sleeved with a sealing ring 26, and the surface of the sealing ring 26 is abutted against the front end of the inner wall of the handle 1.
In this embodiment, sealing washer 26 carries out the separation to the rivers that get into the inner chamber of installation pole 5, avoids rivers to get into the condition appearance of handle 1 inner chamber, and then improves the protection to components such as vibrating motor 2, battery 22 and wireless charging coil 23, prolongs electronic component's life.
Furthermore, a limiting rod 20 is transversely arranged on one side surface of the brush head cover 7, the inner end of the limiting rod 20 extends to the inner cavity of the brush head cover 7, and a limiting groove 21 matched with the limiting rod 20 is formed in the side surface of the fixing block 12.
In the present embodiment, after the brush plate 10 is mounted on the top of the inner cavity of the brush head cover 7, the limiting rod 20 is inserted into the limiting groove 21 to limit the movement of the brush plate 10, thereby preventing the movement of the brush plate 10 from being large.
Further, the brush bristles 11 are soft brushes or hard brushes.
In this embodiment, the bristles 11 may be changed to a soft brush or a hard brush according to the production requirements during the production of the toothbrush.
Furthermore, the bottom of the brush head cover 7 is provided with a water drainage port.
In this embodiment, the drainage port facilitates the drainage of water entering the inner cavity of the brush plate 10, thereby improving the stability of the toothbrush during operation.
The working principle and the using process of the invention are as follows: after the toothbrush is installed, the deflector rod mechanism drives the brush plate 10 to move through the conduction of the connecting rod 13 when generating vibration, so that the two ends of the brush plate 10 are driven to reciprocate left and right by taking the vertical rod 18 as an axis under the connecting and guiding action of the vertical rod 18 and the vertical pipe 19 in the vibration process of the brush plate 10, an S-shaped tooth brushing method is finally formed, the tooth brushing effect is better, the vibration is directly transmitted to the brush plate 10 to be brushed and cleaned through the bristles 11, the brush head cover 7 and the mounting rod 5 cannot vibrate and move together with the brush plate 10 in the tooth brushing process, the vibration is controlled on the brush plate 10, the mounting rod 5 and the brush head cover 7 cannot sense the vibration, the problem that the traditional brush head and the brush cover vibrate together to damage teeth is solved, and the tooth brushing experience of a person is improved when the toothbrush is used.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A brush head mechanism of an electric toothbrush is characterized in that: the brush head structure comprises an installation rod (5), wherein the front end of the installation rod (5) is fixedly connected with a brush head cover (7) with an opening at the top;
a brush plate (10) is detachably arranged at the top of the brush head cover (7), bristles (11) are arranged on the upper surface of the brush plate (10), and a fixing block (12) is fixedly connected to the bottom of the brush plate (10);
the bottom of the fixed block (12) is vertically and fixedly connected with a vertical rod (18), the bottom of the inner wall of the brush head cover (7) is vertically and fixedly connected with a vertical pipe (19), the vertical rod (18) is covered outside the vertical pipe (19), and a spring (16) is vertically and fixedly connected between the bottom of the fixed block (12) and the bottom of the inner wall of the brush head cover (7);
the inner chamber of brush head lid (7) is provided with connecting rod (13), the front end inlay card of deflector rod (3) in the rear end of connecting rod (13), the trailing flank of fixed block (12) seted up with connecting fastener (17) of connecting rod (13) looks adaptation, the front end inlay card of connecting rod (13) in the inside of connecting fastener (17).
2. A brushhead mechanism of a power toothbrush of claim 1, wherein: the bottom on fixed block (12) surface is provided with connects bulge loop (15), the equal fixedly connected with in both sides of brush head lid (7) inner wall with connect joint lug (8) of bulge loop (15) looks adaptation.
3. A brushhead mechanism of a power toothbrush of claim 3, wherein: the brush hair (11) is a soft brush or a hard brush.
4. A brushhead mechanism of a power toothbrush of claim 1, wherein: the bottom of the brush head cover (7) is provided with a water drainage port.
5. A brushhead mechanism of a power toothbrush of claim 1, wherein: a limiting rod (20) is transversely arranged on one side face of the brush head cover (7), the inner end of the limiting rod (20) extends to the inner cavity of the brush head cover (7), and a limiting groove (21) matched with the limiting rod (20) is formed in the side face of the fixing block (12).
6. An electric toothbrush characterized by: the electric toothbrush comprises the brush head mechanism of any one of claims 1 to 5, a handle (1), a deflector rod mechanism and a power supply mechanism;
the shifting lever mechanism is arranged in the inner cavity of the handle (1), the power supply mechanism is arranged in the inner cavity of the handle (1), and the shifting lever mechanism is positioned on the front side of the power supply mechanism;
the driving lever mechanism comprises a vibrating motor (2), an output shaft of the vibrating motor (2) is provided with a deflection driving lever (3), the front end of the handle (1) is fixedly connected with an installation rod (5), the front end of the installation rod (5) is fixedly connected with a brush head cover (7) with an open top, an accommodating channel (6) is arranged in an inner cavity of the installation rod (5), and the front end of the deflection driving lever (3) extends to the inner cavity of the brush head cover (7) through the inner cavity of the accommodating channel (6).
7. An electric toothbrush according to claim 6, wherein: power mechanism is including connecting shell (25), connecting shell (25) set up in the top of handle (1) inner chamber, the inside of connecting shell (25) is provided with battery (22), battery (22) with vibrating motor (2) are the electricity and are connected.
8. An electric toothbrush according to claim 7, wherein: the rear end of handle (1) is provided with wireless charging coil (23), wireless charging coil (23) with battery (22) are the electricity and are connected.
9. An electric toothbrush according to claim 6, wherein: the front end of the deflection deflector rod (3) is fixedly connected with a clamping head (4), the rear side face of the connecting rod (13) is provided with a clamping groove (14) matched with the clamping head (4), and the clamping head (4) is clamped and embedded in the clamping groove (14).
10. An electric toothbrush according to claim 6, wherein: be provided with shift knob (9) on handle (1), the inner chamber of handle (1) is provided with control circuit board (24), the fixed cover of front end on connecting shell (25) surface is equipped with sealing washer (26), the surface of sealing washer (26) with the front end of handle (1) inner wall is contradicted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111573755.7A CN114099037A (en) | 2021-12-21 | 2021-12-21 | Brush head mechanism of electric toothbrush and electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111573755.7A CN114099037A (en) | 2021-12-21 | 2021-12-21 | Brush head mechanism of electric toothbrush and electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114099037A true CN114099037A (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111573755.7A Pending CN114099037A (en) | 2021-12-21 | 2021-12-21 | Brush head mechanism of electric toothbrush and electric toothbrush |
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| Country | Link |
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| CN (1) | CN114099037A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115607316A (en) * | 2022-08-22 | 2023-01-17 | 深圳柏斯曼电子科技有限公司 | Electric toothbrush |
-
2021
- 2021-12-21 CN CN202111573755.7A patent/CN114099037A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115607316A (en) * | 2022-08-22 | 2023-01-17 | 深圳柏斯曼电子科技有限公司 | Electric toothbrush |
| CN115607316B (en) * | 2022-08-22 | 2023-09-12 | 深圳柏斯曼电子科技有限公司 | Electric toothbrush |
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