A driving detection assembly, an electric toothbrush handle and an electric toothbrush

Abstract

The application discloses a driving detection assembly, an electric toothbrush handle and an electric toothbrush, and belongs to the technical field of electric toothbrushes. The driving detection assembly comprises a rotary driving piece, a flexible circuit board and a controller. The rotary driving piece comprises a fixed part and a rotary part, and the rotary part is rotatably arranged on the fixed part. The flexible circuit board comprises a first connecting part, a second connecting part and a third connecting part connected with each other, the first connecting part is fixedly connected with the fixed part, the third connecting part is provided with a pressure detection sensor on one side close to the rotary part, the pressure detection sensor is fixedly connected with the rotary part, and the second connecting part is arranged in a bent and extended mode along the rotation direction of the rotary part. The controller is electrically connected with the rotary driving piece and the first connecting part respectively. The driving detection assembly provided by the application guarantees the connection stability and reliability among the first connecting part, the second connecting part and the third connecting part.

Description

Technical Field

[0001] This application relates to the field of electric toothbrush technology, and in particular to a drive detection component, an electric toothbrush handle, and an electric toothbrush. Background Technology

[0002] Currently, electric toothbrushes that combine sweeping and sonic vibrations combine sweeping and sonic vibrations to reach deep into the gaps between teeth and along the gum line, effectively removing plaque and food debris and providing users with a comprehensive oral hygiene solution. The sweeping-vibration method includes both vibration and sweeping motions. Small, high-frequency oscillations provide powerful cleaning, while large, low-frequency oscillations cover a wider area. Compared to vibrating toothbrushes that only produce high-frequency vibrations perpendicular to the length of the handle, the combination of sweeping and vibration significantly enhances the cleaning power.

[0003] Many electric toothbrushes that combine sweeping and vibration can damage gums and reduce cleaning effectiveness when used with excessive force. To address this issue, pressure sensors are typically installed on the brush handle to detect the pressure applied to the brush head. When the pressure on the brush head is too high, an alarm can be triggered to alert the user, thereby reducing damage to the gums.

[0004] However, because the handle of the integrated sweeping and vibrating electric toothbrush needs to swing significantly, the flexible circuit board used to electrically connect the pressure sensor and the controller is easily pulled and torn, which causes the electrical connection between the pressure sensor and the circuit board to break and the pressure detection function to fail. Utility Model Content

[0005] In view of this, the purpose of this application is to overcome the shortcomings of the prior art and provide a drive detection component to solve the technical problem in the prior art that the flexible circuit board used for electrically connecting the pressure sensor and the controller is easily pulled and torn due to the large swing of the brush handle of the integrated sweeping and vibrating electric toothbrush, which leads to the disconnection of the electrical connection between the pressure sensor and the circuit board and the failure of the pressure detection function.

[0006] To solve the above-mentioned technical problems, this application provides: A drive detection component, comprising: A rotary drive component includes a fixed part and a rotating part, wherein the rotating part is rotatably disposed on the fixed part; A flexible circuit board includes a first connecting part, a second connecting part, and a third connecting part connected together. The first connecting part is fixedly connected to the fixed part. A pressure detection sensor is provided on the side of the third connecting part near the rotating part. The pressure detection sensor is fixedly connected to the rotating part. The second connecting part is bent and extended along the rotation direction of the rotating part. The controller is electrically connected to the rotary drive and the first connecting part, respectively.

[0007] In addition, the driver detection component according to this application may also have the following additional technical features: In some embodiments of this application, the projection shape of the second connecting portion on the transverse cross-section of the rotary drive member is arc-shaped.

[0008] In some embodiments of this application, the second connecting portion is further bent and extended along the axial direction of the rotating portion.

[0009] In some embodiments of this application, the projection shape of the second connecting portion on the longitudinal section of the rotary drive member is S-shaped.

[0010] In some embodiments of this application, a first connecting groove adapted to the first connecting portion is provided on the circumferential wall of the fixing portion.

[0011] In some embodiments of this application, the drive detection component further includes a first adhesive layer, and the first connecting portion is fixedly connected to the bottom wall of the first connecting groove through the first adhesive layer.

[0012] In some embodiments of this application, a second connecting groove adapted to the pressure detection sensor is provided on the circumferential wall of the rotating part.

[0013] In some embodiments of this application, the drive detection assembly further includes a second adhesive layer, through which the pressure detection sensor is fixedly connected to the bottom wall of the second connecting groove.

[0014] Secondly, this application also provides an electric toothbrush handle, including the drive detection component described in any of the above embodiments.

[0015] Thirdly, this application also provides an electric toothbrush, including the electric toothbrush handle described in the above embodiments.

[0016] Compared to existing technologies, the beneficial effects of this application are: This application proposes a drive detection component, in which a controller is electrically connected to a rotating drive component to control the large-amplitude low-frequency oscillation and small-amplitude high-frequency oscillation of the rotating part relative to the fixed part, thereby realizing sweeping and vibration functions. The flexible circuit board includes a first connecting part, a second connecting part, and a third connecting part connected together. The controller is electrically connected to the first connecting part, and a pressure detection sensor fixedly connected to the rotating part is provided on the side of the third connecting part near the rotating part to realize the pressure detection function.

[0017] The first connecting part is fixedly connected to the fixed part, and the third connecting part is fixedly connected to the rotating part via a pressure detection sensor, so that the third connecting part can synchronously swing at a large low frequency with the rotating part. By bending and extending the second connecting part along the rotation direction of the rotating part, the length of the second connecting part in the rotation direction of the rotating part can be effectively increased, thereby avoiding the technical problem of the third connecting part pulling the second connecting part during large low-frequency swing, which could lead to the failure of the connection between the second connecting part and the third connecting part or between the second connecting part and the first connecting part. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A perspective view of the drive detection component is shown in some embodiments of this application; Figure 2 A front view schematic diagram of the driving detection component is shown in some embodiments of this application; Figure 3 A side view schematic diagram of the driving detection component is shown in some embodiments of this application; Figure 4 A perspective view of an electric toothbrush handle is shown in some embodiments of this application; Figure 5 A perspective view of an electric toothbrush in some embodiments of this application is shown.

[0020] Explanation of key component symbols: 100-Drive detection component; 110 - Rotary drive component; 111 - Fixing part; 1111 - First connecting groove; 112 - Rotating part; 1121 - Second connecting groove; 120 - Flexible circuit board; 121 - First connecting part; 122 - Second connecting part; 123 - Third connecting part; 130 - Controller; 1000-Electric Toothbrush Handle; 10000-Electric Toothbrush. Detailed Implementation

[0021] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0022] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0024] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0025] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0026] like Figure 1 , Figure 4 and Figure 5 As shown, an embodiment of this application provides a drive detection component 100, which is mainly used on an electric toothbrush handle 1000, which is mainly used on an electric toothbrush 10000. The drive detection component 100 includes a rotary drive component 110, a flexible circuit board 120, and a controller 130.

[0027] The rotary drive component 110 includes a fixed portion 111 and a rotating portion 112, with the rotating portion 112 rotatably mounted on the fixed portion 111. The flexible circuit board 120 includes a first connecting portion 121, a second connecting portion 122, and a third connecting portion 123 connected together. The first connecting portion 121 is fixedly connected to the fixed portion 111. A pressure detection sensor is provided on the side of the third connecting portion 123 near the rotating portion 112, and the pressure detection sensor is fixedly connected to the rotating portion 112. The second connecting portion 122 is bent and extended along the rotation direction of the rotating portion 112. The controller 130 is electrically connected to the rotary drive component 110 and the first connecting portion 121.

[0028] The drive detection assembly 100 provided in the embodiments of this application has a controller 130 electrically connected to a rotary drive component 110 to control the rotating part 112 to swing at large low frequencies and small high frequencies relative to the fixed part 111, thereby realizing sweeping and vibration functions. The flexible circuit board 120 includes a first connecting part 121, a second connecting part 122, and a third connecting part 123 connected together. The controller 130 is electrically connected to the first connecting part 121. The third connecting part 123 is provided with a pressure detection sensor fixedly connected to the rotating part 112 on the side near the rotating part 112 to realize the pressure detection function.

[0029] The first connecting part 121 is fixedly connected to the fixed part 111, and the third connecting part 123 is fixedly connected to the rotating part 112 via a pressure detection sensor, so that the third connecting part 123 follows the rotating part 112 in a large-scale low-frequency oscillation. By bending and extending the second connecting part 122 along the rotation direction of the rotating part 112, the length of the second connecting part 122 in the rotation direction of the rotating part 112 can be effectively increased, thereby avoiding the technical problem of the third connecting part 123 pulling the second connecting part 122 with a large-scale low-frequency oscillation, which could cause the connection between the second connecting part 122 and the third connecting part 123 or the second connecting part 122 and the first connecting part 121 to fail.

[0030] For example, the rotary drive 110 can be a sweeping and vibrating integrated motor, and the controller 130 can be a printed circuit board.

[0031] For example, such as Figure 3As shown, in one embodiment of this application, the projection shape of the second connecting portion 122 on the transverse cross section of the rotary drive member 110 is arc-shaped.

[0032] like Figure 1 and Figure 2 As shown, in the above embodiments of this application, the second connecting portion 122 is further bent and extended along the axial direction of the rotating portion 112.

[0033] In this embodiment, by bending and extending the second connecting portion 122 along the axial direction of the rotating portion 112, the length of the second connecting portion 122 in the axial direction of the rotating portion 112 can be effectively increased, thereby further reducing the probability of the third connecting portion 123 swinging and pulling the second connecting portion 122 at a large low frequency, and further reducing the probability of connection failure between the second connecting portion 122 and the third connecting portion 123 or between the second connecting portion 122 and the first connecting portion 121.

[0034] For example, such as Figure 2 As shown, in the above embodiments of this application, the projection shape of the second connecting portion 122 on the longitudinal section of the rotary drive member 110 is S-shaped.

[0035] like Figure 1 As shown, in any of the above embodiments of this application, the circumferential wall of the fixing part 111 is provided with a first connecting groove 1111 that is adapted to the first connecting part 121.

[0036] In this embodiment, by opening a first connecting groove 1111 on the circumferential wall of the fixing part 111 that is adapted to the first connecting part 121, the contact area between the circumferential wall of the fixing part 111 and the first connecting part 121 is increased, thereby improving the connection stability and reliability between the first connecting part 121 and the circumferential wall of the fixing part 111.

[0037] In the above embodiments of this application, the drive detection component 100 further includes a first adhesive layer, and the first connecting portion 121 is fixedly connected to the bottom wall of the first connecting groove 1111 through the first adhesive layer.

[0038] Thus, the first connecting part 121 is firmly installed on the bottom wall of the first connecting groove 1111 under the adhesive effect of the first adhesive layer, thereby ensuring the stability and reliability of the electrical connection between the first connecting part 121 and the controller 130, and thus ensuring the stability and reliability of the pressure detection function.

[0039] For example, the first adhesive layer may be double-sided tape or formed by curing adhesive.

[0040] like Figure 1As shown, in any of the above embodiments of this application, a second connecting groove 1121 adapted to the pressure detection sensor is provided on the circumferential wall of the rotating part 112.

[0041] In this embodiment, by opening a second connecting groove 1121 on the circumferential wall of the rotating part 112 that is adapted to the pressure detection sensor, the contact area between the circumferential wall of the rotating part 112 and the pressure detection sensor is increased, thereby improving the connection stability and reliability between the pressure detection sensor and the circumferential wall of the rotating part 112, and thus ensuring the stability and reliability of the pressure detection function.

[0042] In the above embodiments of this application, the drive detection component 100 further includes a second adhesive layer, and the pressure detection sensor is fixedly connected to the bottom wall of the second connecting groove 1121 through the second adhesive layer.

[0043] Thus, the pressure sensor is securely mounted on the bottom wall of the second connecting groove 1121 by the adhesive effect of the second adhesive layer, thereby ensuring the stability and reliability of the pressure detection function of the pressure sensor.

[0044] For example, the second adhesive layer may be double-sided tape or formed by curing adhesive.

[0045] like Figure 4 As shown in the figure, this application embodiment also provides an electric toothbrush handle 1000, including the drive detection component 100 described in the above embodiments.

[0046] The electric toothbrush handle 1000 has the drive detection component 100 in any of the above embodiments, and therefore has all the beneficial effects of the drive detection component 100, which will not be described in detail here.

[0047] like Figure 5 As shown in the figure, this application embodiment also provides an electric toothbrush 10000, including the electric toothbrush handle 1000 described in the above embodiment.

[0048] The electric toothbrush 10000 has the electric toothbrush handle 1000 in the above embodiments, and therefore has all the beneficial effects of the electric toothbrush handle 1000, which will not be described in detail here.

[0049] In summary, this application proposes a drive detection component 100, in which a controller 130 is electrically connected to a rotary drive component 110 to control the rotary part 112 to oscillate at large low frequencies and small high frequencies relative to the fixed part 111, thereby achieving sweeping and vibration functions. The flexible circuit board 120 includes a first connecting part 121, a second connecting part 122, and a third connecting part 123 connected together. The controller 130 is electrically connected to the first connecting part 121. A pressure detection sensor is fixedly connected to the rotary part 112 on the side of the third connecting part 123 near the rotary part 112 to achieve a pressure detection function. The first connecting part 121 is fixedly connected to the fixed part 111, and the third connecting part 123 is fixedly connected to the rotary part 112 via the pressure detection sensor, so that the third connecting part 123 oscillates synchronously with the rotary part 112 at large low frequencies. By bending and extending the second connecting portion 122 along the rotation direction of the rotating portion 112, the length of the second connecting portion 122 in the rotation direction of the rotating portion 112 can be effectively increased, thereby avoiding the technical problem of the third connecting portion 123 swinging and pulling the second connecting portion 122 at large low frequency, which would cause the connection between the second connecting portion 122 and the third connecting portion 123 or the second connecting portion 122 and the first connecting portion 121 to fail.

[0050] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0051] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A drive detection component, characterized in that, include: A rotary drive component includes a fixed part and a rotating part, wherein the rotating part is rotatably disposed on the fixed part; A flexible circuit board includes a first connecting part, a second connecting part, and a third connecting part connected together. The first connecting part is fixedly connected to the fixed part. A pressure detection sensor is provided on the side of the third connecting part near the rotating part. The pressure detection sensor is fixedly connected to the rotating part. The second connecting part is bent and extended along the rotation direction of the rotating part. The controller is electrically connected to the rotary drive and the first connecting part, respectively.

2. The drive detection component according to claim 1, characterized in that, The projection shape of the second connecting part on the transverse section of the rotary drive component is arc-shaped.

3. The drive detection component according to claim 2, characterized in that, The second connecting portion is further bent and extended along the axial direction of the rotating portion.

4. The drive detection component according to claim 3, characterized in that, The projection shape of the second connecting part on the longitudinal section of the rotary drive component is S-shaped.

5. The drive detection component according to any one of claims 1 to 4, characterized in that, The circumferential wall of the fixing part is provided with a first connecting groove that is adapted to the first connecting part.

6. The drive detection component according to claim 5, characterized in that, The drive detection component further includes a first adhesive layer, and the first connecting part is fixedly connected to the bottom wall of the first connecting groove through the first adhesive layer.

7. The drive detection component according to any one of claims 1 to 4, characterized in that, A second connecting groove adapted to the pressure detection sensor is provided on the circumferential wall of the rotating part.

8. The drive detection component according to claim 7, characterized in that, The drive detection assembly further includes a second adhesive layer, through which the pressure detection sensor is fixedly connected to the bottom wall of the second connecting groove.

9. An electric toothbrush handle, characterized in that, Includes the drive detection component as described in any one of claims 1 to 8.

10. An electric toothbrush, characterized in that, Includes the electric toothbrush handle as described in claim 9.

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