Electric toothbrush with double-action cleaning function
By introducing an eccentric shaft and camshaft sleeve design into the electric toothbrush, a dual-action cleaning action combining vibration and oscillation is achieved, solving the problem that existing electric toothbrushes cannot deeply clean between teeth, thus improving cleaning effect and user experience.
Patent Information
- Application Number
- CN202423177623.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing electric toothbrushes are unable to thoroughly clean plaque and stains between teeth, failing to meet deeper cleaning needs.
Employing a dual-action cleaning technology that combines vibration and oscillation functions, the electric toothbrush utilizes an eccentric shaft and camshaft sleeve design to achieve left-right oscillation and vibration, enhancing the cleaning effect.
It achieves deep cleaning between teeth, effectively removing plaque and stains, while providing a comfortable cleaning experience and a beautiful appearance.
Smart Images

Figure CN223696062U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of electric toothbrushes, in particular to an electric toothbrush with double-action cleaning. BACKGROUND
[0002] Compared with ordinary toothbrushes, electric toothbrushes can more thoroughly remove dental plaque, reduce gum inflammation, periodontal disease and gum bleeding and other oral diseases. Specifically, the electric toothbrush can produce high-frequency vibration of the brush head through the rapid rotation or vibration of the motor core, so that the toothpaste is instantaneously decomposed into fine foam and deeply cleaned into the dental crevice; at the same time, the vibration of the bristles can promote blood circulation in the oral cavity and massage the gum tissue.
[0003] In the prior art, toothbrushes are indispensable tools in people's lives, and the electric toothbrushes adopting the vibration and swing technology can make tooth brushing more scientific, more convenient and more hygienic. The ordinary toothbrushes only have the function of cleaning surface dental plaque. The deeper and more hidden dental plaque cannot be cleaned by the ordinary toothbrushes. Therefore, the application provides an electric toothbrush with double-action cleaning to solve the above problems. CONTENT OF THE INVENTION
[0004] In order to solve the problem of cleaning only the surface dental plaque, the application provides an electric toothbrush with double-action cleaning.
[0005] The electric toothbrush with double-action cleaning provided by the application comprises a brush handle and a lower shell, the inside of the lower shell is provided with a battery compartment, the inside of the battery compartment is provided with a mainboard, the outer wall of the battery compartment is provided with a switch button, the inside of the battery compartment is fixedly connected with a direct-current motor, the driving end of the direct-current motor is fixedly connected with a transmission sleeve, the inside of the transmission sleeve is provided with a cam shaft sleeve, the inside of the brush handle is provided with an eccentric shaft through the cam shaft sleeve, and the side of the eccentric shaft is provided with a swing shaft sleeve.
[0006] Preferably, the outer wall of the brush handle is provided with a brush head through the eccentric shaft and the swing shaft sleeve, and the outer wall of the brush head is fixedly connected with a toothbrush disc.
[0007] Preferably, the outer wall of the eccentric shaft is provided with a first fixing screw on the side corresponding to the toothbrush disc, and the outer wall of the eccentric shaft is provided with a second fixing screw on the side close to the first fixing screw.
[0008] Preferably, the outer wall of the eccentric shaft is provided with a shaft sleeve screw, the outer wall of the shaft sleeve screw is sleeved with a first spring, and the side of the shaft sleeve screw is threadedly connected with a bolt.
[0009] Preferably, the outer wall of the toothbrush disc is slidably connected with a pin shaft, the inner sides of the pin shaft are provided with second springs, and the outer wall of the toothbrush disc is provided with brush disc fixing plates through the pin shaft.
[0010] Preferably, the outer wall of the lower shell is provided with a display panel.
[0011] Preferably, the outer wall of the brush handle is provided with an upper shell.
[0012] To sum up, the application has the following beneficial technical effects:
[0013] The running of the DC motor is controlled by the switch button, so that the DC motor drives the transmission sleeve to rotate, and then the driving end of the DC motor and the eccentric shaft are connected through the cam sleeve and the transmission sleeve, so that the right eccentric shaft cam device is driven to rotate, so that the electric toothbrush vibrates. The swing shaft sleeve is arranged on the outer wall of the eccentric shaft away from the cam sleeve, and then the left eccentric shaft is swung left and right when the DC motor rotates, so that the electric toothbrush swings left and right. Compared with the prior art, the vibration and swing technology is adopted, which can deeply clean the dental caries, effectively remove dental plaque and stains, and provide a beautiful appearance and comfortable cleaning experience. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a structure schematic diagram of the electric toothbrush as a whole of the embodiment of the application;
[0015] Figure 2 is a partial structure schematic diagram of the electric toothbrush of the embodiment of the application;
[0016] Figure 3 is an explosion view of the electric toothbrush of the embodiment of the application;
[0017] Figure 4 is a structure schematic diagram of the motor part of the embodiment of the application;
[0018] Figure 5 is a structure schematic diagram of the inside of the battery compartment of the embodiment of the application.
[0019] BRIEF DESCRIPTION OF DRAWINGS: 1, upper shell; 2, DC motor; 3, bolt; 4, first spring; 5, shaft sleeve screw; 6, swing shaft sleeve; 7, brush head; 8, pin shaft; 9, toothbrush disc; 10, second spring; 11, brush disc fixing plate; 12, eccentric shaft; 13, cam sleeve; 14, transmission sleeve; 15, switch button; 16, main board; 17, battery compartment; 18, display panel; 19, lower shell; 20, second fixing screw; 21, first fixing screw; 22, brush handle. DETAILED DESCRIPTION
[0020] The following will be described in combination with the drawingsFigure 1 Figure 5 The application is further described in detail.
[0021] Example One
[0022] See Figures 1-5 The utility model provides double action cleaning's electric toothbrush technical scheme:
[0023] Double action cleaning's electric toothbrush, Figures 1-5 , including the brush handle 22 and the lower shell 19, the inside of the lower shell 19 is provided with a battery compartment 17, by installing the battery compartment 17 inside the lower shell 19, and the battery is installed inside the battery compartment 17, the inside of the battery compartment 17 is provided with a mainboard 16, by installing the mainboard 16 inside the lower shell 19, and the mainboard 16 is connected with the battery compartment 17, so that the battery inside the battery compartment 17 supplies power to the mainboard 16, wherein the mainboard 16 can manage the charging process of the electric toothbrush, when the electric toothbrush is placed on the charging base, the mainboard 16 will detect the charging signal, then turn on the charging circuit, convert the external power supply into voltage and current suitable for battery charging, safely and effectively charge the built-in battery, and the mainboard 16 can also monitor the charging state of the battery to prevent overcharging, the outer wall of the battery compartment 17 is provided with a switch button 15, by installing the switch button 15 on the outer wall of the battery compartment 17, and the switch button 15 is adjacent to the mainboard 16, by installing the pin on the mainboard 16, the female header is connected with the pin of the switch button 15, by inserting the pin into the female header, realizing the electrical connection between the switch button 15 and the mainboard 16, which can ensure the reliability and stability of the connection, the inside of the battery compartment 17 is fixedly connected with a DC motor 2, by installing the DC motor 2 on the other side of the battery compartment 17, wherein the DC motor 2 is electrically connected with the switch button 15, the mainboard 16 and the battery, so that the switch and the rotating speed of the DC motor 2 can be controlled, the driving end of the DC motor 2 is fixedly connected with a transmission sleeve 14, by connecting the driving end of the DC motor 2 with the transmission sleeve 14, the DC motor 2 drives the transmission sleeve 14 to rotate, the inside of the transmission sleeve 14 is provided with a cam shaft sleeve 13, the inside of the brush handle 22 is provided with an eccentric shaft 12 through the cam shaft sleeve 13, one side of the eccentric shaft 12 is provided with a swing shaft sleeve 6, by connecting the eccentric shaft 12 with the cam shaft sleeve 13, by connecting the cam shaft sleeve 13 with the transmission sleeve 14, and then connecting the driving end of the DC motor 2 with the eccentric shaft 12 through the cam shaft sleeve 13 and the transmission sleeve 14, and then the DC motor 2 drives the right eccentric shaft 12 cam device to rotate, so that the electric toothbrush realizes the vibration technology, by setting the swing shaft sleeve 6 on the outer wall of the eccentric shaft 12 away from the cam shaft sleeve 13, and then the DC motor 2 rotates, which will drive the left eccentric shaft 12 to swing left and right, so that the electric toothbrush realizes the left and right swing technology, and the preset value of the swing angle of the left eccentric shaft 12 is 20-25 degrees, the product is designed with a swing shaft sleeve 6, so that the eccentric shaft 12 finds a fulcrum, and the rotary motion becomes reciprocating swing, which achieves the purpose of deepening the tooth gap, effectively removing dental plaque and stains, while providing a beautiful appearance and comfortable cleaning experience through the use of vibration and swing technology.
[0024] Further, the outer wall of the brush handle 22 is provided with the brush head 7 through the eccentric shaft 12 and the swing shaft sleeve 6, the outer wall of the brush head 7 is fixedly connected with the toothbrush disc 9, the toothbrush disc 9 is connected with the brush head 7, and the size of the toothbrush disc 9 is matched with the size of the brush handle 22, so that the toothbrush disc 9 is matched with the brush handle 22, then the toothbrush disc 9 is clamped with the brush handle 22, and the brush head 7 is installed on the outer wall of the brush handle 22.
[0025] Further, the outer wall of the eccentric shaft 12 is provided with the first fixing screw 21 corresponding to one side of the toothbrush disc 9, the outer wall of the eccentric shaft 12 is provided with the second fixing screw 20 near one side of the first fixing screw 21, the swing shaft sleeve 6 is fixed through the second fixing screw 20, the cam sleeve 13 is put into the eccentric shaft 12 and fixed through the first fixing screw 21 through the first fixing screw 21, and the toothbrush disc 9 is driven and connected with the right eccentric shaft 12.
[0026] Further, the outer wall of the eccentric shaft 12 is provided with the shaft sleeve screw 5, the eccentric shaft 12 is connected with the toothbrush disc 9 through the shaft sleeve screw 5, so as to realize the technical function of left and right swing, the outer wall of the shaft sleeve screw 5 is sleeved with the first spring 4, and the shaft sleeve screw 5 is threadedly connected with the bolt 3 on one side.
[0027] Further, the outer wall of the toothbrush disc 9 is slidably connected with the pin shaft 8, the second spring 10 is arranged on the inner sides of the pin shaft 8, the outer walls of the toothbrush disc 9 are provided with the brush disc fixing piece 11 through the pin shaft 8, the pin shaft 8 of the toothbrush disc 9 and the brush disc fixing piece 11, the pin shaft 8 is located between the toothbrush disc 9 and the two brush disc fixing pieces 11, and plays a fixing and connecting role, the toothbrush disc 9 is damped and fastened through the second spring 10 in the pin shaft 8 on the two sides, the cam sleeve 13 is designed in the product, the cam sleeve 13 is put into the eccentric shaft 12 and fixed through the first fixing screw 21, a ball head column body is welded on the brush disc fixing piece 11, the ball head position of the column body is indirectly contacted through the rotary motion of the cam, so that the column body is moved left and right, and the second spring 10 is used for damping, so that the other toothbrush disc 9 is vibrated left and right.
[0028] Further, the outer wall of the lower shell 19 is provided with the display panel 18, the display panel 18 is electrically connected with the battery in the battery compartment 17 through an electric wire, the display panel 18 displays the electric quantity of the battery, and users can know the use electric quantity of the electric toothbrush.
[0029] Further, the outer wall of the brush handle 22 is provided with the upper shell 1, the upper shell 1 is clamped with the brush handle 22, the size of the upper shell 1 is matched with the size of the brush handle 22, the upper shell 1 is clamped on the outer wall of the brush handle 22, the width of the outer wall of the brush handle 22 is increased, and the gripping area of the user on the electric toothbrush is increased.
[0030] The implementation principle of the dual-action cleaning electric toothbrush of the embodiment of the application is as follows: when the device is used, first, the on-off and rotating speed of the DC motor 2 are controlled by the switch button 15, so that the DC motor 2 drives the transmission sleeve 14 to rotate, the eccentric shaft 12 and the cam sleeve 13 are connected, then the driving end of the DC motor 2 and the eccentric shaft 12 are connected through the cam sleeve 13 and the transmission sleeve 14, so as to drive the right eccentric shaft 12 cam device to rotate, so that the electric toothbrush vibrates, the swing shaft sleeve 6 is arranged on the outer wall of the eccentric shaft 12 away from the cam sleeve 13, then when the DC motor 2 rotates, the left eccentric shaft 12 will swing left and right, so that the electric toothbrush swings left and right, and the preset range of the swing angle of the left eccentric shaft 12 is 20-25 degrees, by using the vibration and swing technology, the dental crevice can be deeply cleaned, the dental plaque and dental stains can be effectively removed, and the purpose of providing a beautiful appearance and comfortable cleaning experience is achieved.
[0031] The exemplary implementation of the dual-action cleaning electric toothbrush provided by the present disclosure is described above with reference to the preferred embodiment, however, it can be understood by those skilled in the art that various modifications and changes can be made to the above specific embodiments without departing from the concept of the present disclosure, and various technical features and structures proposed by the present disclosure can be combined without exceeding the protection scope of the present disclosure, and the protection scope of the present disclosure is determined by the appended claims.
Claims
1. A dual-action cleaning electric toothbrush, comprising a handle (22) and a lower housing (19), characterized in that: A battery compartment (17) is provided on one side of the lower housing (19). A main board (16) is provided on one side of the battery compartment (17). A switch button (15) is provided on one side of the outer wall of the battery compartment (17). A DC motor (2) is fixedly connected to one side of the battery compartment (17). A transmission sleeve (14) is fixedly connected to the drive end of the DC motor (2). A camshaft sleeve (13) is provided on one side of the transmission sleeve (14). An eccentric shaft (12) is provided inside the brush handle (22) through the camshaft sleeve (13). A swing shaft sleeve (6) is provided on one side of the eccentric shaft (12).
2. The electric toothbrush with dual-action cleaning as described in claim 1, characterized in that: The outer wall of the brush handle (22) is provided with a brush head (7) through the eccentric shaft (12) and the swing bushing (6), and a toothbrush disc (9) is fixedly connected to one side of the outer wall of the brush head (7).
3. The electric toothbrush with dual-action cleaning as described in claim 2, characterized in that: The outer wall of the eccentric shaft (12) is provided with a first fixing screw (21) on the side corresponding to the toothbrush disc (9), and the outer wall of the eccentric shaft (12) is provided with a second fixing screw (20) on the side close to the first fixing screw (21).
4. The electric toothbrush with dual-action cleaning as described in claim 3, characterized in that: A bushing screw (5) is provided on one side of the outer wall of the eccentric shaft (12), a first spring (4) is sleeved on the outer wall of the bushing screw (5), and a bolt (3) is threadedly connected to one side of the bushing screw (5).
5. The electric toothbrush with dual-action cleaning as described in claim 4, characterized in that: A pin (8) is slidably connected to one side of the outer wall of the toothbrush disc (9). A second spring (10) is provided on both sides of the inner side of the pin (8). A brush disc fixing piece (11) is provided on both sides of the outer wall of the toothbrush disc (9) through the pin (8).
6. The electric toothbrush with dual-action cleaning as described in claim 1, characterized in that: A display panel (18) is provided on one side of the outer wall of the lower housing (19).
7. The electric toothbrush with dual-action cleaning as described in claim 1, characterized in that: The brush handle (22) has an upper housing (1) on one side of its outer wall.