CN211243852U

CN211243852U - Music resonance electric toothbrush

Info

Publication number: CN211243852U
Application number: CN201920016945.0U
Authority: CN
Inventors: 黄李冯
Original assignee: Dongguan Zhonggu Electronic Technology Co ltd
Current assignee: Dongguan Zhonggu Electronic Technology Co ltd
Priority date: 2019-01-07
Filing date: 2019-01-07
Publication date: 2020-08-14
Anticipated expiration: 2029-01-07

Abstract

The utility model provides a music resonance electric toothbrush, which relates to the technical field of oral appliances, not only can solve the problems of the existing music toothbrush that the sound transmission is not smooth and the vibration frequency is monotonous, but also can release both hands when brushing teeth; the electric toothbrush comprises a toothbrush head and a control device; the control device comprises an audio resonator, a magnet and a control circuit board, wherein the audio resonator is respectively connected with the magnet and the control circuit board; the brushhead and the audio resonator are connected. The technical scheme provided by the utility model is applicable to the clean in-process of tooth.

Description

Music resonance electric toothbrush

[ technical field ] A method for producing a semiconductor device

The utility model relates to an oral cavity utensil technical field especially relates to a music resonance electric toothbrush.

[ background of the invention ]

Tooth brushing is the most common oral care behavior of people, and along with the increasing improvement of living standard, the requirement of people on tooth brushing is higher and higher, and music electric toothbrushes begin to appear. However, the existing music electric toothbrush produces sound through the loudspeaker arranged in the toothbrush handle, and the loudspeaker only produces sound through the small hole with the breathable film and transmits the sound through air in a closed space because the handle needs to be waterproof. The music sound heard by people is small, the noise of the electric toothbrush completely covers the music when people brush teeth, and the design and production difficulty of a waterproof structure is increased.

Electric toothbrushes usually use a motor to vibrate and drive a toothbrush head to vibrate, thereby cleaning the oral cavity. When the vibration intensity of the motor is weak, the cleaning effect is not ideal, and the excessive vibration can damage the surfaces of teeth and gum. The toothbrush head is in a common toothbrush head shape, and the teeth in the whole oral cavity can be cleaned by moving the toothbrush at any time in the process of brushing teeth, so that both hands can not be released.

[ Utility model ] content

In view of this, the utility model provides a music resonance electric toothbrush not only can solve the smooth and dull problem of vibration frequency of current music toothbrush sound transmission, can also release both hands when brushing teeth.

On one hand, the utility model provides a music resonance electric toothbrush, which is characterized in that the electric toothbrush comprises a toothbrush head and a control device; the control device comprises an audio resonator, a magnet and a control circuit board, wherein the audio resonator is respectively connected with the magnet and the control circuit board; the brushhead and the audio resonator are connected.

The above aspects and any possible implementations further provide an implementation in which the audio resonator includes an audio coil and a resonating device, the audio coil being connected to the resonating device; the resonance device comprises a resonance sheet and a radiating fin; the resonance sheet is circular or annular, and the radiating fin is arranged in the middle of the resonance sheet; the resonance device is connected with the toothbrush head.

The above-mentioned aspects and any possible implementation manner further provide an implementation manner, and the resonance sheet is provided with a plurality of hollow-out positions.

The above aspect and any possible implementation further provide an implementation, where the audio coil includes a bobbin having a hollow cylindrical shape and a plurality of copper wires; the copper wire is wound on the outer surface of the winding frame; the copper wire is electrically connected with the control circuit board.

The above aspect and any possible implementation further provide an implementation in which the magnet is disposed within the bobbin.

There is further provided in accordance with the above-described aspect and any possible implementation, an implementation in which the musical resonance electric toothbrush further includes a housing, the control device being disposed within the housing.

The above aspects and any possible implementation manner further provide an implementation manner, wherein a vibration support is further arranged in the housing, the vibration support comprises a support plate, a fixing column is arranged in the middle of the support plate, and the magnet is sleeved on the fixing column; the periphery of support plate evenly is equipped with a plurality of erection columns, the erection column with set up and be in mounting hole accordant connection on the resonance piece.

The above-described aspect and any possible implementation manner further provide an implementation manner, where the control circuit board includes a control module, a wireless communication module, and an audio conversion module, and the wireless communication module, the audio conversion module, and the control module are connected to each other.

There is further provided in accordance with any one of the possible implementations of the above aspect, a drive shaft mounting bracket is provided at a bottom of the toothbrush head, the drive shaft mounting bracket being connected to one end of a drive shaft, and the audio resonator being connected to the other end of the drive shaft.

There is further provided in accordance with the above-described aspect and any one of the possible implementations, an implementation in which the toothbrush head is of a U-shaped configuration.

Compared with the prior art, the utility model discloses can obtain including following technological effect: the dull time of people in the process of brushing teeth is compensated, the interest of brushing teeth is increased, the audio resonance can generate vibration with different frequencies through different music, the vibration is soft, the sound is transmitted through the oral cavity of a person, the music sounds loud, but the sound is very loud outside, and the noisy sound of the traditional electric toothbrush is eliminated; the toothbrush head is in a U-shaped brush head shape which is full of the oral cavity, and can liberate both hands when brushing teeth.

Of course, it is not necessary for any product of the present invention to achieve all of the above-described technical effects simultaneously.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a music resonance electric toothbrush according to an embodiment of the present invention;

figure 2 is a detail view of a toothbrush head provided by one embodiment of the present invention;

fig. 3 is a structural view of a driving shaft mounting bracket according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating an audio resonator and a vibration mount according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a resonance device according to an embodiment of the present invention;

fig. 6 is a schematic circuit diagram of an audio conversion module according to an embodiment of the present invention;

fig. 7 is a schematic circuit diagram of a bluetooth communication module according to an embodiment of the present invention;

fig. 8 is an overall circuit schematic diagram of a circuit control board according to an embodiment of the present invention.

Wherein, in the figure:

a toothbrush head-1; bristles-1.1; a driving shaft mounting bracket-1.2; a first drive shaft mounting hole-1.3; a drive shaft-2; a buffer ring-3; an audio resonator-4; audio coil-4.1; -4.2 of resonator plate; 4.3 of radiating fins; a resonance sheet mounting hole-4.4; a second drive shaft mounting hole-4.5; hollowed-out position-4.6; a magnet-5; magnet mounting hole-5.1; a vibration bracket-6; fixed column-6.1; mounting a column-6.2; 6.3 of a bracket plate; a rechargeable battery-7; a circuit control board-8; a wireless transmission chip-9; an audio conversion chip-10; a housing-11.

[ detailed description ] embodiments

For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.

It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

Fig. 1 is a schematic structural view of a music resonance electric toothbrush according to an embodiment of the present invention. As shown in figure 1, the music resonance electric toothbrush comprises a toothbrush head 1, a driving shaft 2 and a control device, wherein the bottom of the toothbrush head 1 is connected with the top of the driving shaft 2, the bottom of the driving shaft 2 is connected with the control device, the driving shaft is driven by the control device to vibrate, and then the toothbrush head is driven to vibrate, so that the effect of cleaning teeth is achieved.

The control device comprises a waterproof shell 11, and a vibration support 6 is arranged in the shell 11. A rechargeable battery 7 and a circuit control board 8 are arranged below the vibration bracket 6. The magnet 5 and the audio resonator 4 are provided above the vibration bracket 6, and the magnet 5 is provided below the audio resonator 4. Drive shaft 2 passes shell 11 and is connected with audio resonator 4, and drive shaft 2 is equipped with buffer ring 3 with shell 11 punchhole department, and buffer ring 3 is made by having elastic material, can isolate drive shaft 2 and shell 11 for the vibration of drive shaft 2 can be cushioned, avoids the damage of vibration to the shell, and can play sealed effect.

Figure 2 is a detail view of a toothbrush head provided by one embodiment of the present invention; fig. 3 is a structural view of a driving shaft mounting bracket according to an embodiment of the present invention. As shown in fig. 2 to 3, the toothbrush head 1 is generally U-shaped and can be fitted over the upper or lower rows of teeth for cleaning. The toothbrush head 1 is detachable. Toothbrush head 1's bottom is equipped with drive shaft installing support 1.2, and drive shaft installing support 1.2 is the arc, installs the inside at toothbrush head 1 through post forming or assembly form, and drive shaft installing support 1.2 sets up convenient to detach, can dismantle the change from toothbrush head 1 through with drive shaft installing support 1.2 when toothbrush head 1 damages or live time long-term. The bottom of the driving shaft mounting bracket 1.2 is provided with a driving shaft mounting hole position 1.3, and the top end of the driving shaft 2 is inserted in the driving shaft mounting hole position 1.3. Toothbrush head 1 is injection moulding or hot briquetting's flexible glue (silica gel, TPR, TPE or TPU), and this flexible glue includes the base of U type and sets up brush hair 1.1 in U type seat one side, and brush hair 1.1 can be with U type seat injection moulding or hot briquetting's flexible glue together, also can be through the brush hair that is used for cleaning the tooth of implanting nylon hair or PBT hair etc. on the U type seat through the tufting machine.

The driving shaft 2 is a cylinder, the top end of the driving shaft is provided with a flat mounting position and a clamping mounting position, and the driving shaft is mounted in a matched manner after being inserted into a driving shaft mounting hole position 1.3.

As shown in fig. 4-5, the audio resonator 4 comprises an audio coil 4.1, a resonator plate 4.2 and a heat sink 4.3. The resonance sheet 4.2 is a circular sheet or ring, and a plurality of hollow-out positions 4.6 are arranged on the resonance sheet 4.2 to increase the elasticity of the resonance sheet. The resonator plate 4.2 is made of a metal elastic material (e.g., SUS301, SUS304, or spring steel). The middle of the resonance sheet 4.2 is provided with a radiating fin 4.3, and the radiating fin 4.3 is tightly connected with the resonance sheet 4.2 in an assembling or riveting mode to form a resonance device. The heat sink and the resonator plate vibrate together when vibrating. The audio coil 4.1 comprises an inner hollow cylindrical winding frame with an upper opening and a lower opening and a plurality of copper wires; the copper wire is wound on the outer surface of the cylindrical winding frame, and two ends of the copper wire are respectively and electrically connected with the audio conversion chip 10 of the control circuit board. The cylindrical bobbin is made of material with good heat dissipation performance (such as aluminum alloy, copper, KSV polyimide and ASV aluminum foil). The diameter of the fins 4.3 is smaller than the inner diameter of the cylindrical bobbin. The top end of the audio coil 4.1 is connected with the resonance piece 4.2, and the cooling fin 4.3 is positioned at the inner ring of the audio coil 4.1. The middle of the cooling fin 4.3 is provided with a second driving shaft mounting hole 4.5, the lower end of the driving shaft 2 is inserted into the second driving shaft mounting hole to be connected with the audio resonator in a riveting mode, a screw fixing mode, a welding mode or a clamping assembling mode. Four resonator plate mounting holes 4.4 are uniformly arranged on the resonator plate 4.2.

The vibration cradle 6 comprises a cradle plate 6.3 arranged horizontally in the housing 11. The lower surface of the support plate 6.3 is provided with a plurality of support legs. The middle of the upper surface of the support plate 6.3 is vertically provided with a fixing column 6.1, and an external thread is arranged on the fixing column 6.1. Four mounting columns 6.2 are uniformly arranged on the periphery of the support plate 6.3, and the positions and the sizes of the mounting columns 6.2 correspond to the mounting holes 4.4 on the resonant sheet 4.2.

The magnet 5 is made of a ferromagnetic material, for example: neodymium iron boron, samarium cobalt magnet, alnico magnet, ferrite magnet, alnico magnet. The middle of the magnet 5 is provided with a magnet mounting hole 5.1, the magnet mounting hole 5.1 is a through hole, and an internal thread is arranged in the through hole.

The coil, the vibrating piece, the heat radiating fin and the driving shaft constitute a vibrator. During assembly, the vibrator is mounted on the vibration support 6, and four mounting holes 4.4 around the vibrator are mounted on four mounting columns 6.2 of the support. Specifically, magnet mounting hole 5.1 wears to establish on the fixed column, and the external screw thread threaded connection on the internal thread of magnet mounting hole 5.1 and the fixed column 6.1 to fixed and installation magnet 5, audio coil 4.1 suit is in the periphery of magnet 5, and mounting hole 4.4 assembles together with the mounting column 6.2 one-to-one correspondence. The resonance cavity is the inner ring of the audio coil, and a certain sound gap is reserved between the magnet and the radiating fin, so that the magnet and the resonance device reserve enough movement space.

The magnet 5 and the fixing post 6.1 can also be assembled by self-tapping screws. The fixing column 6.1 is provided with a round hole, the middle of the magnet 5 is provided with a magnet mounting hole 5.1, and the magnet 5 is sleeved on the outer side of the fixing column 6.1. The end face of the fixing column 6.1 is embedded in the magnet 5, the section of the magnet mounting hole 5.1 is funnel-shaped, at the moment, a self-tapping screw is inserted into a vertical hole in the middle of the fixing column 6.1, and the magnet 5 is fixed by a screw cover.

The circuit control board 8 is electrically connected with a rechargeable battery 7, and the rechargeable battery 7 supplies power to the whole circuit control board 8. The circuit control board 8 includes a control module, a wireless communication module, and an audio conversion module, which are connected to each other. The wireless communication module is a Bluetooth communication module or a WIFI communication module and is used for being connected with a smart phone or a music player to transmit music data and transmitting the data to the audio conversion module for conversion. The control module controls the audio conversion module, the wireless communication module and other modules on the circuit board, and the control module is provided with a switch key for starting the whole electric toothbrush. The audio conversion module converts audio signals into mechanical vibration with different frequencies through the audio conversion chip 10, the magnet and the audio resonator, and drives the resonance piece to vibrate, so as to drive the toothbrush head to vibrate through the driving shaft. The control module comprises an MCU, as shown in U6 in FIG. 8, the model of the MCU may be MDT10F 686. The power switch key is connected with the MCU. The audio conversion chip 10 is an audio power amplifier, and the IC8002D is selected, the audio power amplifier amplifies a weak audio signal to obtain an amplified analog audio signal, and under the action of the magnet, the vibration of the audio signal in the air drives the audio resonator to generate vibration, thereby realizing the conversion between the audio analog signal and mechanical vibration. The circuit diagram of the audio conversion module is shown in fig. 6, and U2 is an audio conversion chip. As shown in FIG. 7, U3 is a Bluetooth chip with model AC 6919A. The overall circuit diagram of the circuit control board 8 is shown in fig. 8.

The circuit control board 8 converts the audio signal into the mechanical vibration and resonance sound source through the audio converting chip 10, the audio resonator 4 and the magnet 5, and transfers the mechanical vibration and resonance sound source to the brush head 1 through the resonance piece 4.2 and the driving shaft 2 installed on the resonance piece 4.2. The current in the coil of the audio resonator changes in real time along with the music signal, the magnetic force generated by the coil also changes in real time, and the change of the magnetic force causes the attraction force between the audio resonator and the magnet to change in real time, so that the resonance piece vibrates.

The electric toothbrush of the application has the advantage that when the toothbrush head is not placed in an oral cavity, the music sound is small. When the toothbrush head is put into the oral cavity to be attached to the gum and the teeth, the mechanical vibration and the sound source transmit music to auditory nerves of people through gum resonance, and meanwhile, the mechanical vibration plays a role in cleaning the teeth and massaging the gum.

The toothbrush head of the application is not limited to the shape of the toothbrush head which is fully distributed in the oral cavity, and can also be in other shapes; and the connecting mechanism is not limited to be fixed on the driving shaft, and other connecting modes capable of transmitting the vibration signal to the toothbrush head belong to the protection scope of the application. When vibration and sound source transmission, the audio resonance device can be used as a single vibration driving device, and the high-frequency vibration of the motor can be increased to enhance the vibration frequency and enhance the cleaning effect while the audio resonance device is arranged.

The utility model has the advantages that: utilize audio coil and magnet to convert the sound source into mechanical motion, let people can hear the music of moving one's own in brushing teeth and massage gum, and when not brushing teeth or massage gum, sound does not have resonance medium transfer object, and sound is very weak, just can amplify sound through tooth or gum medium in putting into the oral cavity, has reduced the noise influence to the external world, has amplified the music sound that self heard. The utility model makes up the boring time of people in the process of tooth brushing, increases the interest of tooth brushing, and the audio resonance can generate different frequency vibration through different music, and the vibration is soft; and the sound is transmitted through the oral cavity of a person, the music sounds loud, but the sound heard by the outside is very small, and the noisy sound of the traditional electric toothbrush is eliminated. The U-shaped toothbrush head can be sleeved on the whole row of teeth during tooth brushing to release two hands; the spherical control device has compact structure and short volume, and does not need to be held by hands during tooth brushing; the combination of the two facilitates release of the hands.

The music resonance electric toothbrush provided by the embodiment of the application is described in detail above. The above description of the embodiments is only for the purpose of helping to understand the method of the present application and its core ideas; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

As used in the specification and claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. A music resonance electric toothbrush is characterized by comprising a toothbrush head (1) and a control device; the control device comprises an audio resonator (4), a magnet (5) and a control circuit board (8), wherein the audio resonator (4) is respectively connected with the magnet (5) and the control circuit board (8); the toothbrush head (1) is connected with the audio resonator (4).

2. A musical resonance electric toothbrush according to claim 1, characterized in that the audio resonator (4) comprises an audio coil (4.1) and a resonance device, the audio coil (4.1) being connected with the resonance device; the resonance device comprises a resonance sheet (4.2) and a radiating fin (4.3); the resonance sheet (4.2) is circular or annular, and the radiating fin (4.3) is arranged in the middle of the resonance sheet (4.2); the resonance device is connected with the toothbrush head (1).

3. A musical resonance electric toothbrush according to claim 2, characterized in that a number of hollowed-out spaces (4.6) are provided on the resonance plate (4.2).

4. A musical resonance electric toothbrush according to claim 2 or 3, characterized in that said audio coil (4.1) comprises a hollow cylindrical bobbin and copper wires; the copper wire is wound on the outer surface of the winding frame; the copper wire is electrically connected with the control circuit board.

5. A musical resonance electric toothbrush according to claim 4, characterized in that the magnet (5) is arranged inside the bobbin.

6. The musical resonance electric toothbrush according to claim 5, further comprising a housing (11), the control being disposed within the housing (11).

7. The music resonance electric toothbrush according to claim 6, characterized in that a vibration bracket (6) is further arranged in the housing (11), the vibration bracket (6) comprises a bracket plate (6.3), a fixed column is arranged in the middle of the bracket plate (6.3), and the magnet (5) is sleeved on the fixed column; the periphery of the support plate (6.3) is uniformly provided with a plurality of mounting columns, and the mounting columns (6.2) are connected with mounting holes (4.4) formed in the resonance sheet (4.2) in a matching manner.

8. A musical resonance electric toothbrush according to claim 1, characterized in that the control circuit board (8) comprises a control module, a wireless communication module and an audio conversion module, the wireless communication module, the audio conversion module and the control module being connected to each other.

9. A musical resonance electric toothbrush according to claim 1, characterized in that the bottom of the toothbrush head (1) is provided with a drive shaft mounting bracket (1.2), the drive shaft mounting bracket (1.2) being connected with one end of a drive shaft (2), the audio resonator (4) being connected with the other end of the drive shaft (2).

10. A musical resonance electric toothbrush according to any one of claims 1 to 3, 5 to 9, characterised in that the toothbrush head (1) is of U-shaped configuration.