Brush handle and electric toothbrush

Abstract

The utility model discloses a brush handle. The brush handle comprises a shell, a motor assembly, an observation assembly and a power supply assembly, the shell comprises a head part and a bottom part opposite to the head part; the motor assembly is located in the shell and is close to the head of the shell. The observation assembly is arranged at the bottom of the shell and is used for observing the condition in the oral cavity; the power supply assembly is located in the shell, electrically connected with the motor assembly and the observation assembly and used for supplying power to the motor assembly and the observation assembly. The oral cavity can be cleaned after the condition in the oral cavity is observed through the observation assembly, and the oral cavity cleaning effect can be improved. The utility model further discloses an electric toothbrush, the electric toothbrush comprises a brush head and a brush handle, and the brush head is installed on the brush handle and located at the head of the shell.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oral cavity cleaning devices, in particular to a brush handle and an electric toothbrush. BACKGROUND

[0002] An electric toothbrush is an electric oral cavity cleaning device that can clean the oral cavity. When using the electric toothbrush to clean the teeth, only the bristles on the brush head of the electric toothbrush need to be abutted against the teeth, and then the brush head is driven to vibrate to clean the teeth of the user. Compared with a manual toothbrush, the electric toothbrush is more labor-saving and can achieve better oral cavity cleaning effect.

[0003] However, when cleaning the oral cavity, it is difficult to observe the situation in the oral cavity, so that the places that need to be cleaned cannot be cleaned in a targeted manner, thereby resulting in poor oral cavity cleaning effect. SUMMARY

[0004] The present application provides a brush handle and an electric toothbrush, which can clean the oral cavity after observing the situation in the oral cavity through an observation assembly, thereby improving the oral cavity cleaning effect.

[0005] In a first aspect, the present application provides a brush handle, comprising: a housing comprising a head portion and a bottom portion arranged opposite to the head portion; a motor assembly located in the housing and arranged close to the head portion of the housing; an observation assembly arranged at the bottom portion of the housing, the observation assembly being used for observing the situation in the oral cavity; and a power supply assembly located in the housing, the power supply assembly being electrically connected with the motor assembly and the observation assembly and being used for supplying power to the motor assembly and the observation assembly.

[0006] In some embodiments of the present application, the observation assembly comprises a camera assembly, and the camera assembly is located at the center of the bottom portion of the housing. The user can observe the situation in the oral cavity according to the images and videos taken by the camera assembly.

[0007] In some embodiments of the present application, the brush handle further comprises: an illuminating member arranged at the bottom portion of the housing; wherein the illuminating member is arranged in one, and the illuminating member extends around the periphery of the observation assembly; or the illuminating member is arranged in a plurality, and the plurality of illuminating members are arranged along the periphery of the observation assembly in a spaced manner. The light dead angle area in the oral cavity can be reduced, and the camera assembly can clearly observe the situation at each position in the oral cavity.

[0008] In some embodiments of the present application, the brush handle further comprises: an opening device arranged at the bottom portion of the housing, and the opening device is arranged around the periphery of the observation assembly to form a light transmission channel. The opening device makes the oral cavity always keep open during the observation process, thereby facilitating the camera assembly to clearly observe the situation at each position in the oral cavity.

[0009] In some embodiments of the present application, the opening device is detachably connected to the shell. The opening device can be detached and replaced.

[0010] In some embodiments of the present application, a groove is arranged on one of the side of the opening device facing the shell and the bottom of the shell, and a protrusion is arranged on the other of the side of the opening device facing the shell and the bottom of the shell, the protrusion is inserted into the groove and connected to the groove. The opening device is easily detached from the shell, so that the user can conveniently detach and replace the opening device.

[0011] In some embodiments of the present application, the groove has an entrance and an exit, when the groove is arranged on the side of the opening device facing the shell, at least one end of the groove penetrates the outer side of the opening device to form the entrance, and when the groove is arranged on the bottom of the shell, at least one end of the groove penetrates the outer side of the shell to form the entrance, wherein the protrusion can slide along the groove and enter and exit the groove through the entrance. The opening device is easily detached from the shell, so that the user can conveniently detach and replace the opening device.

[0012] In some embodiments of the present application, a first connecting member is arranged on the inner side wall of the groove, and a second connecting member magnetically attracted to the first connecting member is arranged on the protrusion. The connection between the opening device and the shell is more secure, preventing the opening device from being detached from the shell due to vibration and other factors after entering the oral cavity.

[0013] In some embodiments of the present application, the length of the opening device along a first direction is greater than the length of the opening device along a second direction, and the first direction, the second direction and the length direction of the shell are perpendicular to each other. The opening device can more conveniently enter the oral cavity, and the opening device can more conveniently enter the oral cavity.

[0014] In some embodiments of the present application, grooves and protrusions are arranged on both sides of the observation assembly along the first direction, the grooves and the protrusions extend along the second direction, the protrusions are inserted into the grooves and connected to the grooves, and the grooves are arranged on one of the side of the opening device facing the shell and the bottom of the shell, and the protrusions are arranged on the other of the side of the opening device facing the shell and the bottom of the shell. The opening device is more securely installed on the shell, preventing the opening device from shaking during use.

[0015] In some embodiments of the present application, the end face of the opening device away from the end of the shell comprises a first side, a second side, a third side and a fourth side connected in sequence, the first side and the third side are arranged opposite to each other and along the first direction, and the second side and the fourth side are arranged opposite to each other and along the second direction; wherein the distance between the first side and the third side and the bottom of the shell is greater than the distance between the second side and the fourth side and the bottom of the shell. The end of the opening device away from the shell can form a shape that fits the shape of the lips more closely, so that the opening device can more conveniently enter the oral cavity.

[0016] In some embodiments of the present application, the brush handle further comprises a magnetic charging contact arranged at the bottom of the shell. This makes charging more convenient.

[0017] In some embodiments of the present application, the brush handle further comprises a control assembly electrically connected with the motor assembly and the observation assembly, and the control assembly is used to control the motor assembly to work according to the observation signal corresponding to the situation in the oral cavity transmitted by the observation assembly. The control assembly controls the motor assembly to work according to the observation signal, thereby controlling the vibration intensity and frequency of the brush head, and thus a better oral cleaning effect can be achieved.

[0018] In a second aspect, the present application further provides an electric toothbrush comprising a brush head and a brush handle as described in any one of the above embodiments, the brush head being mounted to the brush handle and located at the head of the shell. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related art, the drawings needed to be used in the embodiments or the related art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is a structural schematic diagram of the brush handle in a first view in an embodiment of the present application;

[0021] Figure 2 It is a structural schematic diagram of the brush handle in a second view in an embodiment of the present application;

[0022] Figure 3 It is a partial structural schematic diagram of the brush handle in an embodiment of the present application;

[0023] Figure 4 It is a structural schematic diagram of the opening device in an embodiment of the present application;

[0024] Figure 5A structure schematic diagram of an electric toothbrush in an embodiment of the present application.

[0025] Reference signs:

[0026] 10, housing; 11, head; 12, bottom; 20, motor assembly; 21, output shaft; 30, observation assembly; 31, camera assembly; 32, illuminating element; 40, magnetic charging contact; 50, opener; 51, first side; 52, second side; 53, third side; 54, fourth side; 55, light transmission channel; 61, groove; 611, entrance and exit; 62, protrusion; 621, connecting part; 622, hooking part; 63, first connecting element; 64, second connecting element; 70, brush head. DETAILED DESCRIPTION

[0027] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0028] The present application provides a brush handle and an electric toothbrush to solve the problem of poor oral cleaning effect in the related art, because it is difficult to observe the situation in the oral cavity when cleaning the oral cavity, resulting in the inability to clean the places that need to be cleaned in a targeted manner.

[0029] In a first aspect, the present application provides a brush handle, which comprises a housing 10, a motor assembly 20, an observation assembly 30 and a power supply assembly (not shown in the figure). Figure 1 and Figure 2 As shown in the figures, the brush handle comprises a housing 10, a motor assembly 20, an observation assembly 30 and a power supply assembly (not shown in the figure).

[0030] The housing 10 comprises a head 11 and a bottom 12 arranged opposite to the head 11; the housing 10 is used to provide support and protection for the motor assembly 20 and other components; the overall shape of the housing 10 can be cylindrical, prismatic or other shapes, which is not specifically limited in the present application.

[0031] The motor assembly 20 is located in the housing 10 and arranged close to the head 11 of the housing 10; the motor assembly 20 is arranged close to the head 11 of the housing 10, which means that the distance between the motor assembly 20 and the head end of the housing 10 is less than the distance between the motor assembly 20 and the tail end of the housing 10; the output shaft 21 of the motor assembly 20 extends from the head 11 of the housing 10 and is used to connect with the brush head 70 (as shown in Figure 5) and can drive the brush head 70 to vibrate to clean the oral cavity with the brush head 70; the observation assembly 30 is arranged at the bottom 12 of the shell 10, and the observation assembly 30 is used to observe the situation in the oral cavity; the power supply assembly is arranged in the shell 10, is electrically connected with the motor assembly 20 and the observation assembly 30, and is used to supply power to the motor assembly 20 and the observation assembly 30. The power supply assembly can include a battery, which can be a dry battery or a storage battery. The type of battery is not limited in the application.

[0032] It should be noted that in the present application, the observation assembly 30 can collect oral cavity data such as the degree of tooth cleaning, the degree of gum health, and the degree of oral cavity wall health in the oral cavity. When cleaning the oral cavity, the user can first observe the situation in the oral cavity through the observation assembly 30, determine the places that need to be cleaned in priority according to the observed oral cavity situation, and then clean these places in priority during the oral cavity cleaning process. The user can accurately brush every tooth detected, thereby improving the oral cavity cleaning effect and making the oral cavity cleaning effect more remarkable.

[0033] In addition, it should be noted that compared with arranging the observation assembly 30 on the brush head 70 of the electric toothbrush, since the brush head 70 itself does not have an electrical contact structure and a circuit, it is not conducive to power supply of the observation assembly 30. The arrangement of the observation assembly 30 and the circuit changes the weight and structure of the brush head 70, resulting in complex molding of the brush head 70, affecting the tooth brushing experience and effect, and the bristles on the brush head 70 block the observation assembly 30, affecting the observation effect of the observation assembly 30. The observation assembly 30 on the brush head 70 is also prone to collision with the teeth, causing damage to the observation assembly 30. In the present application, the observation assembly 30 is arranged at the bottom 12 of the shell 10. When cleaning the oral cavity, the user can first direct the bottom 12 of the brush handle towards the oral cavity, observe the situation in the oral cavity through the observation assembly 30, and then reverse the direction of the brush handle to extend the brush head 70 into the oral cavity for cleaning. The observation assembly 30 is more convenient to connect with the power supply assembly and other components in the shell 10. There is no need to arrange an electrical contact structure and a circuit on the brush head 70. The bristles on the brush head 70 do not block the observation assembly 30. The observation assembly 30 does not collide with the teeth during the tooth brushing process of the brush head 70.

[0034] In some embodiments of the present application, the observation assembly 30 includes a camera assembly 31 arranged at the bottom 12 of the shell 10. The camera assembly 31 can be used to take images and videos in the oral cavity. The user can observe the situation in the oral cavity according to the images and videos taken by the camera assembly 31. The camera assembly 31 can include a camera. The specific size and type of the camera can be selected according to actual needs.

[0035] The camera assembly 31 can be located at the center of the bottom 12 of the shell 10, so that when the bottom 12 of the shell 10 is inserted into the oral cavity, the camera assembly 31 can be closer to the central area of the oral cavity space, so that the camera assembly 31 can have a wider camera view, and the camera assembly 31 can clearly observe the conditions of various positions in the oral cavity.

[0036] In some embodiments of the present application, the brush handle can further include an illuminating element 32 arranged on the bottom 12 of the shell 10. It can be understood that the illuminating element 32 is used to provide illumination for the camera assembly 31, so that the oral cavity can be bright enough, so that the camera assembly 31 can shoot clear images and videos. In an embodiment, the illuminating element 32 can be only one, and the illuminating element 32 extends around the periphery of the observation assembly 30; in other embodiments, the brush handle can further include a plurality of illuminating elements 32, and the plurality of illuminating elements 32 are arranged at intervals along the periphery of the observation assembly 30, so that the area around the camera assembly 31 can be illuminated, so as to reduce the light dead angle area in the oral cavity, and the camera assembly 31 can clearly observe the conditions of various positions in the oral cavity. The illuminating element 32 can be an LED (Light Emitting Diode, Light Emitting Diode) lamp, an incandescent lamp or other types of illuminating lamps. In some embodiments of the present application, the brush handle further includes a magnetic charging contact 40 arranged on the bottom 12 of the shell 10, so that the brush handle can be connected to the base or power supply by magnetic attraction, so as to charge the power supply assembly, so that the charging is more convenient.

[0037] In some embodiments of the present application, the brush handle can further include a control assembly electrically connected with the motor assembly 20 and the observation assembly 30, and the control assembly is used to control the motor assembly 20 to work according to the observation signal corresponding to the conditions in the oral cavity transmitted by the observation assembly 30. It can be understood that the control assembly can control the rotation speed, direction and start-stop of the motor assembly 20, and the observation assembly 30 can send an observation signal to the control assembly according to the observed oral cavity conditions, and the control assembly controls the motor assembly 20 to work according to the observation signal, so as to control the vibration intensity and frequency of the brush head 70, and thus a better oral cleaning effect can be achieved. The control assembly can include a control circuit board, which can be a single-sided board, a double-sided board or a multi-layer board, and the type, model and size of the control circuit board are not limited in the present application.

[0038] As Figures 2 to 4As shown, in some embodiments of this application, the brush handle also includes an opening device 50, which is disposed at the bottom 12 of the housing 10. The opening device 50 is arranged around the periphery of the observation component 30 to form a light-transmitting channel 55. It can be understood that the overall shape of the opening device 50 is cylindrical, and the light-transmitting channel 55 is a channel structure that passes through both ends of the opening device 50. The light emitted by the illuminator 32 can enter the oral cavity through the light-transmitting channel 55, and the light reflected from the oral cavity can also be directed to the observation component 30 through the light-transmitting channel 55. When using the observation component 30 to observe the situation inside the oral cavity, the opening device 50 can be inserted into the lips. The opening device 50 keeps the oral cavity open during the observation process, making it easier for the camera component 31 to clearly observe the situation in various positions inside the oral cavity.

[0039] In one embodiment, the mouth opening 50 is detachably connected to the housing 10, so that the mouth opening 50 can be disassembled and replaced, and it is convenient to remove the mouth opening 50 for cleaning and disinfection after use, so as to prevent bacteria from growing on the mouth opening 50.

[0040] In one embodiment, a groove 61 is provided on one of the sides of the opening 50 facing the housing 10 and the bottom 12 of the housing 10. The groove 61 is located to the side of the observation component 30. A protrusion 62 is provided on one of the sides of the opening 50 facing the housing 10 and the bottom 12 of the housing 10. The protrusion 62 is inserted into the groove 61 and engages with the groove 61 to achieve a detachable connection between the opening 50 and the housing 10. This makes it simple and convenient to install and remove the opening 50 from the housing 10, allowing the user to easily install and remove the opening 50. In one embodiment, the groove 61 can be provided on the side of the opening 50 facing the housing 10, in which case the protrusion 62 is provided on the bottom 12 of the housing 10. In another embodiment, the groove 61 can be provided on the bottom 12 of the housing 10, in which case the protrusion 62 is provided on the side of the opening 50 facing the housing 10.

[0041] Furthermore, the groove 61 has an inlet / outlet 611. When the groove 61 is disposed on the side of the opening 50 facing the housing 10, at least one end of the groove 61 penetrates the outer surface of the opening 50 to form the inlet / outlet 611. When the groove 61 is disposed on the bottom 12 of the housing 10, at least one end of the groove 61 penetrates the outer surface of the housing 10 to form the inlet / outlet 611. The protrusion 62 can slide along the groove 61 and enter / exit the groove 61 through the inlet / outlet 611. It is understood that, see [reference needed] Figure 3As shown, for example, the recess 61 is arranged on the bottom 12 of the shell 10, which can be arranged such that the recess 61 only one end penetrates the outer side of the opening device 50 to form an entrance 611, or arranged such that both ends of the recess 61 penetrate the outer side of the opening device 50 to form an entrance 611. The protrusion 62 is arranged in the same direction as the extension direction of the recess 61. When installing the opening device 50, the protrusion 62 is inserted into the recess 61 from the entrance 611 and slides along the recess 61, and the installation is completed when the opening device 50 slides to a predetermined position. When disassembling the opening device 50, the protrusion 62 is slid along the recess 61 so that the protrusion 62 slides out of the recess 61 from the entrance 611, and the disassembly of the opening device 50 is completed. The opening device 50 is simple and convenient to install and disassemble, so that the user can conveniently install and disassemble the opening device 50.

[0042] As shown, Figure 3 In an embodiment, the protrusion 62 includes a connecting portion 621 and a hooking portion 622. The connecting portion 621 is connected to one of the side of the opening device 50 facing the shell 10 and the bottom 12 of the shell 10. The hooking portion 622 is arranged along the width direction of the connecting portion 621, and the hooking portion 622 is connected to the connecting portion 621 to form a hook structure. The shape of the recess 61 matches the shape of the protrusion 62, so that when the protrusion 62 is located in the recess 61, the opening device 50 can only slide along the extension direction of the recess 61, preventing the opening device 50 from being separated from the shell 10 due to vibration and other factors after entering the oral cavity.

[0043] As shown, Figure 3 and Figure 4 In an embodiment, a first connecting member 63 is arranged on the inner side wall of the recess 61, and a second connecting member 64 magnetically attracted to the first connecting member 63 is arranged on the protrusion 62, so that the connection between the opening device 50 and the shell 10 is more secure, preventing the opening device 50 from being separated from the shell 10 due to vibration and other factors after entering the oral cavity. The first connecting member 63 and the second connecting member 64 can both be magnets or other magnetic members, or one of the first connecting member 63 and the second connecting member 64 can be a magnet or other magnetic member, and the other can be a metal member such as iron, cobalt, and nickel that can be attracted to a magnet.

[0044] It should be further noted that in other embodiments, the opening device 50 can also be detachably connected to the shell 10 by other connection methods. For example, a clamping groove can be arranged on the shell 10, and a protruding point structure can be arranged on the opening device 50. The user presses the protruding point structure into the clamping groove to achieve clamping connection with the clamping groove to achieve installation of the opening device 50. For another example, the opening device 50 is connected to the shell 10 by a threaded connection. For another example, a spring button is arranged on the shell 10. The spring makes the button protrude to form a protruding point. An installation groove is arranged on the opening device 50. The protruding point of the button clamps the installation groove to fix the opening device 50, which achieves installation of the opening device 50. After pressing the button, the protruding point of the button retreats and separates from the installation groove, and then the opening device 50 can be normally disassembled.

[0045] Continuing to refer to Figure 3 and Figure 4 As shown in the view, in an embodiment, the length of the mouth opener 50 along the first direction XX is greater than the length of the mouth opener 50 along the second direction YY, and the first direction XX, the second direction YY, and the length direction of the shell 10 are perpendicular to each other. It can be understood that the overall shape of the mouth opener 50 is a flat cylinder, so that the shape of the mouth opener 50 is more in line with the shape of the oral cavity. When the mouth opener 50 is inserted into the oral cavity, the long side of the mouth opener 50 can be corresponded to the long side of the lips, and the short side of the mouth opener 50 can be corresponded to the short side of the lips, so that the mouth opener 50 can be more conveniently inserted into the oral cavity.

[0046] Further, the observation assembly 30 is provided with a groove 61 and a protrusion 62 on both sides along the first direction XX, and the groove 61 and the protrusion 62 extend along the second direction YY. The two ends of the long side of the mouth opener 50 can be fixed by the cooperation of the groove 61 and the protrusion 62, so that the mouth opener 50 is more firmly installed on the shell 10, and the mouth opener 50 is prevented from shaking during use.

[0047] In an embodiment, the end face of the end of the mouth opener 50 away from the shell 10 includes a first side face 51, a second side face 52, a third side face 53, and a fourth side face 54 connected in sequence, and the first side face 51 and the third side face 53 are oppositely arranged and arranged along the first direction XX, and the second side face 52 and the fourth side face 54 are oppositely arranged and arranged along the second direction YY.

[0048] Among them, the distance between the first side face 51 and the third side face 53 and the bottom 12 of the shell 10 is greater than the distance between the second side face 52 and the fourth side face 54 and the bottom 12 of the shell 10. It can be understood that the lips of a person are usually shaped with the middle part outwardly protruding relative to the two ends, so that Figure 3 As an example of the view, in this embodiment, the height of the second side face 52 and the fourth side face 54 corresponding to the long side on the mouth opener 50 is lower than the height of the first side face 51 and the third side face 53 corresponding to the short side, so that the second side face 52 and the fourth side face 54 are relatively concave downward, thereby forming a shape that is more in line with the shape of the lips at the end of the mouth opener 50 away from the shell 10, so that the mouth opener 50 can be more conveniently inserted into the oral cavity.

[0049] In some embodiments of the present application, the handle can further include a wireless transmission component for wireless communication connection with an electronic device, which can be a mobile phone, a tablet, a computer, a wearable display, or the like. The observation component 30 can transmit real-time data such as images and videos captured by the observation component 30 to the electronic device through the wireless transmission component, so that the user can directly view the images and videos in the oral cavity on the electronic device to determine the oral conditions such as the degree of tooth cleaning and the degree of gum health, and can save and track the oral data using the electronic device. As long as the user detects each tooth, the condition of the tooth will be displayed on the screen of the electronic device, and a suitable dental care plan for the user's oral cleaning will be provided, so that the user can get better care effect and the user experience can be further improved. In other embodiments, the handle can also include a display screen on which images and videos captured by the observation component 30 can be displayed without the user viewing on the electronic device.

[0050] In an embodiment, the handle can further include a data processing component that can be in communication connection with the observation component 30 for processing and analyzing images and videos captured by the observation component 30, such as compression and noise reduction processing of the images and videos, and analyzing the images and videos through algorithms to provide feedback and suggestions to the user about oral health, such as reminding the user to pay attention to cleaning of a specific area or detecting potential oral problems, which can help the user better understand their own oral health status and take appropriate care measures. Of course, the images and videos captured by the observation component 30 can also be processed and analyzed through the electronic device.

[0051] In an embodiment, the handle can further include at least one of a peripheral acquisition component, a power management component, a master control component, a storage component, a storage component, and a protection component. The peripheral acquisition component can include a periscope and the like, so that more comprehensive oral data acquisition can be performed. The power management component can be electrically connected with the power component and can control the operation of the power component, so that the power component can provide stable voltage for other electronic devices. The master control component can be a micro control unit or a processor for controlling and processing data of the overall circuit in the handle. The storage component is used to store oral data such as images and videos of the oral cavity captured by the observation component 30. The interface component can include a USB (Universal Serial Bus), a UART (Universal Asynchronous Receiver Transmitter), and the like, and the interface component is used to connect the handle with other devices. The protection component is used for filtering and protection circuit to reduce the interference on the circuit of the handle and improve the reliability of the handle. In order to improve the user experience, the handle can also have functions such as intelligent brushing mode, pressure sensing, timer, and the like.

[0052] In a second aspect, based on the above-described handle, the present application further provides an electric toothbrush, comprising a brush head and the handle as any one of the above-described embodiments, the brush head being mounted to the handle and located at the head portion of the housing. Figure 5 As shown, the electric toothbrush comprises a brush head 70 and a handle as any one of the above-described embodiments, the brush head 70 being mounted to the handle and located at the head portion 11 of the housing 10. Specifically, the brush head 70 can be detachably connected with the output shaft 21 of the motor assembly 20.

[0053] The preferred embodiments of the present application have been described above with the aid of drawing figures, and are not intended to limit the application, as defined in the appended claims. Any modification, equivalent replacement and improvement made within the principle and technical scope of the present application shall be included in the scope of the present application.

Claims

1. A brush handle, characterized in that The application relates to a toothbrush handle. The toothbrush handle comprises a shell, a motor assembly, an observation assembly and a power supply assembly. The shell comprises a head and a bottom opposite to the head. The motor assembly is arranged in the shell and close to the head of the shell. The observation assembly is arranged in the bottom of the shell and used for observing the situation in the oral cavity.

2. The brush handle of claim 1, wherein The power supply assembly is arranged in the shell and electrically connected with the motor assembly and the observation assembly, and is used for supplying power to the motor assembly and the observation assembly. The observation assembly comprises a camera assembly arranged in the center of the bottom of the shell.

3. The brush handle of claim 1, wherein The toothbrush handle further comprises an illuminating part arranged in the bottom of the shell. The illuminating part is arranged in one or more, and the illuminating part is arranged around the observation assembly. The toothbrush handle further comprises an opening device arranged in the bottom of the shell.

4. The brush handle of claim 1, wherein The opening device is arranged around the observation assembly to form a light transmission channel. The opening device is detachably connected with the shell.

5. A brush handle according to claim 4, wherein The opening device is arranged on one side of the shell or the bottom of the shell.

6. The brush handle of claim 4, wherein The opening device is arranged on one side of the shell or the bottom of the shell.

7. A brush handle according to claim 6, wherein The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell.

8. The brush handle of claim 6, wherein The opening device is arranged on one side of the shell or the bottom of the shell.

9. The brush handle of claim 4, wherein The opening device is arranged on one side of the shell or the bottom of the shell.

10. The brush handle of claim 9, wherein, The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell.

11. The brush handle of claim 9, wherein, The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell.

12. The brush handle of claim 1, wherein The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. 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The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side of the shell or the bottom of the shell. The opening device is arranged on one side A magnetic charging contact is provided at the bottom of the housing.

13. The brush handle of claim 1, wherein The brush handle further comprises: A control component is electrically connected with the motor component and the observation component, and is configured to control the motor component to work according to the observation signal corresponding to the situation in the oral cavity transmitted by the observation component.

14. An electric toothbrush, characterized by A brush head is mounted on the brush handle and located at the head of the housing.

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