Toothbrush with self-adaptive brush head

Abstract

The toothbrush with the self-adaptive brush head comprises a toothbrush handle, a toothbrush shell, the brush head, a flexible connecting body and springs, the toothbrush shell is provided with a groove, the toothbrush handle is connected with the toothbrush shell, the brush head is arranged in the groove, at least one spring is arranged between the brush head and the toothbrush shell, and the flexible connecting body is arranged in the groove. The flexible connecting body is fixedly connected with the brush head, and the flexible connecting body is fixedly connected with the toothbrush shell. The toothbrush is used for solving the problems that a toothbrush in the prior art is not friendly when used for cleaning deformed teeth, bristles of a conventional toothbrush are fixed, the fit degree of the conventional toothbrush and the teeth needs to be repeatedly adjusted by a user at a proper angle, but the adjustment operation is relatively complex and tedious, and the conventional toothbrush cannot be well fit with the tooth surfaces of the deformed teeth.

Description

Technical Field

[0001] This invention belongs to the field of toothbrush technology, specifically relating to a toothbrush with an adaptive brush head. Background Technology

[0002] A toothbrush is a brush used to brush teeth. It is an essential oral hygiene tool in daily life, which can effectively remove plaque and food debris from the surface of teeth and prevent tooth decay and periodontal disease.

[0003] Existing toothbrushes are not very effective at cleaning malformed teeth. Conventional toothbrushes have fixed bristles, and users need to repeatedly adjust the angle to fit the teeth. However, this adjustment is complicated and cumbersome, and cannot fit the teeth of people with malformed teeth, those undergoing orthodontic treatment, or those undergoing restoration of malformed teeth very well.

[0004] Meanwhile, traditional toothbrushes have fixed bristles. In order to avoid damaging the gums, many soft-bristled toothbrushes have been developed. However, the brushing effect of these soft-bristled toothbrushes is relatively poor, and the cleaning efficiency of the teeth is relatively low. On the other hand, if the toothbrush bristles are made harder, the probability of gum damage will increase.

[0005] Existing toothbrushes do not have a time reminder function, so users are unclear about the usage time of the toothbrush, resulting in the toothbrush being used for far more than three months, which is not good for the user's health.

[0006] Therefore, in order to resolve the above contradictions, a toothbrush with an adaptive brush head was proposed. Summary of the Invention

[0007] In view of the above-mentioned shortcomings of the prior art, the present invention provides a toothbrush with an adaptive brush head to solve the problem that the existing toothbrushes are not user-friendly when cleaning malocclusion. Conventional toothbrushes have fixed bristles, and the fit between them and the teeth requires the user to repeatedly adjust the appropriate angle. However, this adjustment operation is relatively complicated and cumbersome, and cannot fit the malocclusion of the tooth surface well.

[0008] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0009] A toothbrush with an adaptive brush head includes: a toothbrush handle, a toothbrush housing, a brush head, a flexible connector, and a spring. The toothbrush housing has a groove. The toothbrush handle is connected to the toothbrush housing. The brush head is disposed in the groove. At least one brush head is provided. At least one spring is provided between the brush head and the toothbrush housing. The flexible connector is fixedly connected to the brush head and the toothbrush housing.

[0010] Preferably, the flexible connector is a silicone ring, and one brush head is provided. The brush head includes a plate and bristles. Multiple bristles are fixedly connected to the plate, and the silicone ring fills the gap between the plate and the toothbrush housing.

[0011] Preferably, four brush heads are provided, and the four brush heads are arranged in an array. The flexible connector has four through holes. Each brush head includes a plate and bristles. Multiple bristles are fixedly connected to the plate. The plate corresponds to and is fixedly connected to the through holes.

[0012] Preferably, a pressure sensor is provided between the toothbrush handle and the toothbrush housing. The pressure sensor is connected to both the toothbrush handle and the toothbrush housing and is used to detect the brushing pressure of the toothbrush housing.

[0013] Preferably, the toothbrush handle has a cavity, and a vibration motor is fixedly connected inside the cavity. When the pressure sensor detects that the pressure is too high, the vibration motor vibrates.

[0014] Preferably, a retaining plate is rotatably connected within the groove.

[0015] Preferably, the outer peripheral wall of the toothbrush handle is provided with an insertion groove, and a timer is disposed in the insertion groove;

[0016] The timer includes a housing, a main control chip, a crystal oscillator, a power supply module, a screen, a buzzer, and a push-button switch. The main control chip, crystal oscillator, power supply module, screen, and buzzer are all built into the housing. The housing is a waterproof and sealed housing. The housing is provided with a transparent window for easy viewing of the contents. The push-button switch is fixedly connected to the outer wall of the housing. The main control chip, crystal oscillator, power supply module, screen, buzzer, and push-button switch are electrically connected.

[0017] Preferably, the outer casing is provided with hook grooves on both sides to facilitate the user in removing the timer.

[0018] Preferably, the device also includes a magnetic attraction component, which includes a magnet fixedly connected to the bottom of the housing and an iron sheet fixedly connected to the bottom of the insertion slot, wherein the iron sheet is magnetically attracted to the magnet.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] In this invention, the brush head is housed within the toothbrush casing, and a spring connects the brush head to the casing, thereby increasing the brush head's floating space. During brushing, the brush head can freely adjust its angle according to the tooth surface shape, resulting in a closer fit to the tooth surface and increased bristle-to-tooth contact. Simultaneously, the spring in the brush head provides a buffering effect, offering some gum protection. When brushing force is excessive, the spring can collapse a certain distance, reducing the cleaning force on the gums.

[0021] When the toothbrush of the present invention is in use, if the toothbrush shell is subjected to excessive pressure while brushing, the vibration motor will vibrate to remind the user that the brushing force is too strong, thereby playing a force feedback role and ensuring that the user's brushing force is within an appropriate range.

[0022] The timer in this invention serves to track the total usage time of the toothbrush. Conventional toothbrushes lack this function, leaving users unsure of the exact usage time, which can influence their decision to replace the toothbrush and lead to many toothbrushes being used far beyond the three-month recommended usage period by the World Health Organization (WHO) and various national dental associations. This invention activates a buzzer after three months to remind the user of the toothbrush's usage time and inform them of its expiration date, effectively preventing overuse. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of Embodiment 1 of the present invention;

[0024] Figure 2 This is a cross-sectional structural diagram of Embodiment 1 of the present invention;

[0025] Figure 3 This is a schematic diagram of the exploded structure of Embodiment 1 of the present invention;

[0026] Figure 4 This is a schematic diagram of the three-dimensional structure in Embodiment 2 of the present invention;

[0027] Figure 5 This is a cross-sectional structural diagram of Embodiment 2 of the present invention;

[0028] Figure 6 This is a schematic diagram of the exploded structure of Embodiment 2 of the present invention;

[0029] Figure 7 This is a three-dimensional structural diagram of Embodiment 3 of the present invention;

[0030] Figure 8 This is a cross-sectional structural diagram of Embodiment 3 of the present invention;

[0031] Figure 9 This is a schematic diagram of the exploded structure of Embodiment 3 of the present invention;

[0032] The reference numerals used in the attached figures are as follows:

[0033] Toothbrush handle 11, cavity 110, insertion groove 111, toothbrush housing 12, groove 120, brush head 13, plate 131, bristles 132, flexible connector 14, through hole 140, spring 15, retaining plate 16, vibration motor 17, pressure sensor 18, timer 19, switch 191, hook groove 192, magnetic suction assembly 20, magnet 201, iron sheet 202. Detailed Implementation

[0034] To enable those skilled in the art to better understand the present invention, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0035] Example 1:

[0036] like Figures 1 to 3 As shown, a toothbrush with an adaptive brush head includes: a toothbrush handle 11, a toothbrush housing 12, a brush head 13, a flexible connector 14, and a spring 15. The toothbrush housing 12 is provided with a groove 120. The toothbrush handle 11 is connected to the toothbrush housing 12. The brush head 13 is disposed in the groove 120. At least one spring 15 is provided between the brush head 13 and the toothbrush housing 12. The flexible connector 14 is fixedly connected to the brush head 13 and the toothbrush housing 12.

[0037] The flexible connector 14 is a silicone ring. One brush head 13 is provided. The brush head 13 includes a plate 131 and bristles 132. Multiple bristles 132 are fixedly connected to the plate 131. The silicone ring fills the gap between the plate 131 and the toothbrush housing 12.

[0038] In this embodiment, the brush head 13 is disposed in the toothbrush housing 12, and the brush head 13 is connected to the toothbrush housing 12 by a spring 15, thereby increasing the floating space of the brush head 13. When brushing teeth, the brush head 13 can freely adjust its angle according to the shape of the tooth surface, thereby better conforming to the tooth surface and increasing the fit between the bristles 132 and the tooth surface. At the same time, since the spring 15 is provided in the brush head 13, the brush head 13 plays a buffering role when brushing teeth, which plays a certain role in protecting the gums. When the brushing force is too strong, the spring 15 can collapse a certain distance, reducing the cleaning force on the gums.

[0039] The silicone ring, toothbrush housing 12, and plate 131 form a closed space, enclosing the spring 15 within it. This effectively prevents dirt and grime from accumulating in the spring 15, making it more hygienic. It also prevents the spring 15 from being in prolonged contact with water, extending its service life.

[0040] The silicone ring is made of medical-grade antibacterial silicone.

[0041] Example 2:

[0042] like Figures 4 to 6 As shown, the remaining features are the same as in Embodiment 1. The difference is that in this embodiment, four brush heads 13 are provided, and the four brush heads 13 are arranged in an array. The flexible connector 14 has four through holes 140. The brush head 13 includes a plate 131 and bristles 132. Multiple bristles 132 are fixedly connected to the plate 131. The plate 131 corresponds to and is fixedly connected to the through holes 140.

[0043] Compared to Embodiment 1, the brush head 13 is provided with four brush heads, which can adjust their angles relatively independently. That is, when brushing teeth, if the teeth are malformed, the four brush heads 13 will independently adjust their cleaning angles according to the tooth surface they are cleaning, which can maximize the cleaning area and increase cleaning efficiency.

[0044] The inventor specifically mentioned that traditional toothbrushes mainly rely on the deformation of the bristles to conform to the tooth surface. This cleaning method easily leads to the sidewalls of the bristles contacting the tooth surface when the bristles bend, resulting in poor cleaning effect. However, this solution, by setting up an independently floating brush head 13, can better conform to the teeth, especially for users with problems such as malocclusion, crowded teeth, and rotated teeth, further improving the effect.

[0045] A retaining plate 16 is rotatably connected within the groove 120. Rotating the retaining plate 16 allows the brush head 13 to be engaged, thereby switching to the normal mode of use.

[0046] Example 3:

[0047] like Figures 7 to 9 As shown, the remaining features are the same as in Embodiment 2. The difference is that a pressure sensor 18 is provided between the toothbrush handle 11 and the toothbrush housing 12 in this embodiment. The pressure sensor 18 is connected to the toothbrush handle 11 and the toothbrush housing 12 respectively. The pressure sensor 18 is used to detect the brushing pressure of the toothbrush housing 12.

[0048] The pressure sensor 18 is configured to detect the pressure exerted on the toothbrush housing 12 during brushing.

[0049] The toothbrush handle 11 has a cavity 110 inside, and a vibration motor 17 is fixedly connected inside the cavity 110. When the pressure sensor 18 detects that the pressure is too high, that is, exceeding the preset standard pressure value, the vibration motor 17 vibrates.

[0050] The preset value of the standard pressure should refer to the following standards:

[0051] Children's version: 80g (±5g), suitable for children's delicate gums;

[0052] Special formula for orthodontic patients: 120g (±8g), suitable for sensitive gums when wearing braces;

[0053] Special formula for periodontal disease patients: 100g (±5g), in accordance with the clinical nursing pressure requirements for periodontal disease.

[0054] If the toothbrush housing 12 is subjected to excessive pressure while brushing, the vibration motor 17 will vibrate to alert the user that the brushing force is too strong, thus providing force feedback to ensure that the user's brushing force is within the appropriate range.

[0055] In practical implementation, it is necessary to set up a corresponding controller and power module so that the pressure sensor 18 sends a pressure signal to the controller, and the controller sends a signal to control the vibration motor 17 to start and stop.

[0056] The toothbrush handle 11 has an insertion groove 111 on its outer peripheral wall, and a timer 19 is installed in the insertion groove 111.

[0057] The timer 19 includes a housing, a main control chip, a crystal oscillator, a power supply module, a screen, a buzzer, and a push-button switch 191. The main control chip, crystal oscillator, power supply module, screen, and buzzer are all built into the housing. The housing is a waterproof and sealed housing. The housing is provided with a transparent window for easy viewing of the contents. The push-button switch 191 is fixedly connected to the outer wall of the housing. The main control chip, crystal oscillator, power supply module, screen, buzzer, and push-button switch 191 are electrically connected.

[0058] The timer 19 is used to keep track of the total usage time of the toothbrush. Regular toothbrushes do not have this function, making the exact time elapsed unclear for users. This can influence their decision to replace the toothbrush, and even lead to many toothbrushes being used for far longer than the three months recommended by the World Health Organization (WHO) and dental associations in many countries.

[0059] In this solution, the main control chip is ESP32; the power supply module uses a rechargeable lithium battery; and the screen is an e-ink screen.

[0060] The ESP32 receives a precise clock signal from the crystal oscillator as the time reference, performing time calculations and accumulations for seconds, minutes, hours, and days. The ESP32 receives operation signals from the push-button switch 191 (such as power on / off, screen wake-up, start timer, and reset), and executes corresponding functional logic based on the operation commands (e.g., a long press for three seconds powers on or off; a short press in standby mode wakes the screen; two short presses in screen wake-up mode start the timer; two short presses in screen wake-up mode reset the timer). The ESP32 also controls the screen display, outputting timing data and operation status information to the screen. When the timer reaches the user-set three-month usage period, the main control chip ESP32 sends a trigger signal to the buzzer, controlling it to emit an alert sound. The ESP32 also manages the power distribution of the power supply module, providing stable power control for various components. The crystal oscillator is the time reference source for the timer, its core function being to provide a high-precision, high-stability clock frequency signal. A rechargeable lithium battery is the energy source for the timer 19. The e-ink screen visually displays the timing information, automatically turning off after 5 seconds to save power.

[0061] In actual implementation, a charging management chip is also required. That is, the rechargeable lithium battery must be equipped with a charging management IC to realize overcharge / over-discharge protection and USB charging control.

[0062] The outer casing has hooks 192 on both sides for easy removal of the timer 19. To check the toothbrush's usage time, the user simply uses their fingers to hook the hooks 192 on both sides to remove the timer 19, then briefly presses the button switch 191 to view the usage time displayed on the e-ink screen. A buzzer will also sound every three months to remind the user of the toothbrush's remaining usage time.

[0063] It also includes a magnetic suction component 20, which includes a magnet 201 fixedly connected to the bottom of the outer casing and an iron plate 202 fixedly connected to the bottom of the insertion slot 111. The iron plate 202 and the magnet 201 are magnetically attracted to each other. The attraction between the iron plate 202 and the magnet 201 can temporarily fix the timer 19. Due to the detachable nature of the timer 19, it can be reused as long as the toothbrush is equipped with an insertion slot 111 and an iron plate 202 corresponding to the timer 19.

[0064] The above descriptions are merely embodiments of the present invention. Commonly known structures and characteristics of the solutions are not described in detail here. Those skilled in the art are aware of all common technical knowledge in the field prior to the application date or priority date, are aware of all existing technologies in that field, and have the ability to apply conventional experimental methods prior to that date. Those skilled in the art can, under the guidance of this application, improve and implement this solution in combination with their own capabilities. Some typical known structures or methods should not be obstacles for those skilled in the art to implement this application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of the present invention. These should also be considered within the scope of protection of the present invention, and will not affect the effectiveness of the implementation of the present invention or the practicality of the patent.

Claims

1. A toothbrush with an adaptive brush head, characterized in that, include: The toothbrush includes a handle (11), a housing (12), a brush head (13), a flexible connector (14), and a spring (15). The housing (12) has a groove (120). The handle (11) is connected to the housing (12). The brush head (13) is located in the groove (120). At least one brush head (13) is provided. At least one spring (15) is provided between the brush head (13) and the housing (12). The flexible connector (14) is fixedly connected to the brush head (13) and the housing (12).

2. A toothbrush with an adaptive brush head according to claim 1, characterized in that: The flexible connector (14) is a silicone ring. One brush head (13) is provided. The brush head (13) includes a plate (131) and bristles (132). Multiple bristles (132) are fixedly connected to the plate (131). The silicone ring fills the gap between the plate (131) and the toothbrush housing (12).

3. A toothbrush with an adaptive brush head according to claim 1, characterized in that: Four brush heads (13) are provided, and the four brush heads (13) are arranged in an array. The flexible connector (14) has four through holes (140). Each brush head (13) includes a plate (131) and bristles (132). Multiple bristles (132) are fixedly connected to the plate (131). The plate (131) corresponds to and is fixedly connected to the through holes (140).

4. A toothbrush with an adaptive brush head according to claim 1, characterized in that: A pressure sensor (18) is provided between the toothbrush handle (11) and the toothbrush housing (12). The pressure sensor (18) is connected to the toothbrush handle (11) and the toothbrush housing (12) respectively. The pressure sensor (18) is used to detect the brushing pressure of the toothbrush housing (12).

5. A toothbrush with an adaptive brush head according to claim 4, characterized in that: The toothbrush handle (11) has a cavity (110) inside, and a vibration motor (17) is fixedly connected inside the cavity (110). When the pressure sensor (18) detects that the pressure is too high, the vibration motor (17) vibrates.

6. A toothbrush with an adaptive brush head according to claim 1, characterized in that: A retaining plate (16) is rotatably connected within the groove (120).

7. A toothbrush with an adaptive brush head according to claim 1, characterized in that: The toothbrush handle (11) has an insertion groove (111) on its outer peripheral wall, and a timer (19) is installed in the insertion groove (111). The timer (19) includes a housing, a main control chip, a crystal oscillator, a power supply module, a screen, a buzzer, and a push-button switch (191). The main control chip, crystal oscillator, power supply module, screen, and buzzer are all built into the housing. The housing is a waterproof and sealed housing. The housing is provided with a transparent window for easy viewing. The push-button switch (191) is fixedly connected to the outer wall of the housing. The main control chip, crystal oscillator, power supply module, screen, buzzer, and push-button switch (191) are electrically connected.

8. A toothbrush with an adaptive brush head according to claim 7, characterized in that: The outer casing is provided with hook grooves (192) on both sides to facilitate the user to remove the timer (19).

9. A toothbrush with an adaptive brush head according to claim 7, characterized in that: It also includes a magnetic suction assembly (20), which includes a magnet (201) fixedly connected to the bottom of the housing and an iron sheet (202) fixedly connected to the bottom of the insertion slot (111), wherein the iron sheet (202) is magnetically connected to the magnet (201).

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