Fixing structure and electric toothbrush

Abstract

The utility model provides a fixing structure and an electric toothbrush, the fixing structure comprises a support assembly, a bottom cover and a shell, the support assembly comprises a main body support and first fixing pieces, part of the first fixing pieces and the main body support are arranged at intervals, one side, facing the main body support, of each first fixing piece is provided with a first fixing part, and one side, deviating from the main body support, of each first fixing piece is provided with a second fixing part; the bottom cover comprises a second fixing piece, the second fixing piece is arranged between the first fixing piece and the main body support, a first buckling part is arranged on the side, facing the first fixing piece, of the second fixing piece, the first buckling part and the first fixing part abut against each other to fix the bottom cover and the support assembly, the shell is used for containing the support assembly, and a second buckling part is arranged on the inner wall of the shell; the second buckling part and the second fixing part abut against each other so as to fix the support assembly and the shell. The bottom cover is installed at the bottom of the support assembly, and then the support assembly and the bottom cover are installed in the shell together, so that the installation steps of the support assembly, the shell and the bottom cover are simplified, and the assembly difficulty of the fixing structure is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of toothbrushes, and in particular to a fixing structure and an electric toothbrush. Background Art

[0002] In the related art, the installation of the outer shell, bracket and bottom cover of the electric toothbrush is relatively complicated, and the installation stability is relatively poor. Utility Model Content

[0003] The purpose of the present application is to provide a fixing structure and an electric toothbrush to solve the technical problem of the complicated installation of the outer shell, bracket and bottom cover of the electric toothbrush in the related art.

[0004] In a first aspect, the present application provides a fixing structure applied to an electric toothbrush, the fixing structure comprising:

[0005] A bracket assembly, comprising a main bracket and a first fixing member, wherein one end of the first fixing member is connected to the main bracket, and the other end of the first fixing member extends along the axial direction of the main bracket and is spaced apart from the main bracket, a first fixing portion is provided on a side of the first fixing member facing the main bracket, and a second fixing portion is provided on a side of the first fixing member facing away from the main bracket;

[0006] a bottom cover, arranged at one end of the bracket assembly close to the first fixing member, the bottom cover comprising a bottom cover body and a second fixing member, the second fixing member being arranged on the bottom cover body and extending along the axial direction thereof, the second fixing member being arranged between the first fixing member and the main bracket, the second fixing member being provided with a first buckling portion on one side facing the first fixing member, the first buckling portion being arranged corresponding to the first fixing portion, the first buckling portion and the first fixing portion being in contact with each other to fix the bottom cover and the bracket assembly; and

[0007] A shell is sleeved on the outside of the bracket assembly, and the shell is used to accommodate the bracket assembly and the bottom cover. The inner wall of the shell is provided with a second buckling portion, and the second buckling portion is arranged corresponding to the second fixing portion. The second buckling portion and the second fixing portion abut against each other to fix the bracket assembly and the shell.

[0008] In the fixing structure provided by the present application, the bracket assembly includes a main bracket and a first fixing member, one end of the first fixing member is connected to the main bracket, and the other end extends along the axial direction of the main bracket and is spaced apart from the main bracket. The first fixing member is provided with a first fixing portion on the side facing the main bracket, and the first fixing portion is used to abut against the first buckle portion of the bottom cover to fix the bottom cover and the bracket assembly, and the first fixing member is provided with a second fixing portion on the side away from the main bracket, and the second fixing portion is used to abut against the second buckle portion of the shell to fix the bracket assembly and the shell. The bottom cover is first installed at the bottom of the bracket assembly, and then the bracket assembly and the bottom cover are installed together inside the shell, which is conducive to simplifying the installation steps of the bracket assembly, the shell and the bottom cover, and reducing the assembly difficulty of the fixing structure.

[0009] In addition, the two sides of the first fixing member are fixedly connected to the bottom cover and the shell respectively. When the bracket assembly is fixedly connected to the shell, the second fixing member of the bottom cover abuts against the first fixing member of the bracket assembly and can apply pressure to the first fixing member so that the first fixing member can be close to the shell, so that the fixed connection between the bracket assembly and the shell is more stable, which is beneficial to improving the structural stability of the fixed structure.

[0010] Among them, the main body bracket is provided with a slide bar arranged in the axial direction, the inner wall of the shell is provided with a slide groove arranged in the axial direction, the slide bar is arranged in the slide groove and moves along the extension direction of the slide groove to limit the circumferential movement of the main body bracket relative to the shell.

[0011] Wherein, the fixing structure further includes a sealing member, which is arranged around the outer circumference of the bottom cover body and is used to abut against the bottom cover body and the inner wall of the shell to seal the gap between the bottom cover body and the shell.

[0012] Wherein, a first inclined surface is provided at one end of the second fixing member away from the bottom cover body. In a first direction, the first inclined surface is inclined in a direction close to the first fixing member. The first direction is the arrangement direction of the second fixing member and the bottom cover body.

[0013] Wherein, a second inclined surface is provided on a side of the first fixing portion facing the bottom cover body, and in a first direction, the second inclined surface is inclined in a direction close to the main support, and the first direction is an extension direction of the first fixing member.

[0014] A third inclined surface is disposed at one end of the second fixing portion away from the bottom cover body. In a first direction, the third inclined surface is inclined in a direction close to the shell. The first direction is an extension direction of the first fixing member.

[0015] Among them, the inner wall of the bottom of the shell is provided with a buckling piece, and the fixing structure also includes a flexible circuit board. The flexible circuit board is provided with a matching part, and the matching part is buckled with the buckling piece to limit the flexible circuit board.

[0016] Wherein, a receiving groove is provided on the inner wall of the bottom of the shell, the buckle piece is provided on the groove wall of the receiving groove, and the receiving groove is used to receive the matching part.

[0017] Wherein, a first positioning portion is provided on a side of the main body bracket facing the bottom wall of the bottom cover, and a second positioning portion is provided on the bottom wall of the bottom cover, and the first positioning portion and the second positioning portion cooperate to limit the circumferential rotation of the bottom cover relative to the main body bracket.

[0018] In a second aspect, the present application provides an electric toothbrush, comprising a motor, a battery cell assembly and the fixing structure, wherein the motor and the battery cell assembly are arranged on the fixing structure.

[0019] The electric toothbrush provided in this embodiment adopts the fixing structure provided in the present application, wherein the bracket assembly includes a main bracket and a first fixing member, one end of the first fixing member is connected to the main bracket, and the other end extends along the axial direction of the main bracket and is spaced apart from the main bracket. The first fixing member is provided with a first fixing portion on the side facing the main bracket, and the first fixing portion is used to abut against the first buckle portion of the bottom cover to fix the bottom cover and the bracket assembly, and the first fixing member is provided with a second fixing portion on the side away from the main bracket, and the second fixing portion is used to abut against the second buckle portion of the shell to fix the bracket assembly and the shell. The bottom cover is first installed at the bottom of the bracket assembly, and then the bracket assembly and the bottom cover are installed together inside the shell, which is conducive to simplifying the installation steps of the bracket assembly, the shell and the bottom cover, and reducing the difficulty of assembling the electric toothbrush. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a schematic diagram of the structure of an electric toothbrush provided in an embodiment of the present application;

[0022] Figure 2 is a partial cross-sectional schematic diagram of a fixing structure provided in an embodiment of the present application;

[0023] Figure 3 It is a structural schematic diagram of a bottom cover provided in an embodiment of the present application;

[0024] Figure 4 is a schematic diagram of the bottom structure of a bracket assembly provided in an embodiment of the present application;

[0025] Figure 5 It is a schematic diagram of the bottom structure after a bracket assembly and a bottom cover are assembled according to an embodiment of the present application;

[0026] Figure 6 It is a structural schematic diagram of a bracket assembly provided in an embodiment of the present application;

[0027] Figure 7 It is a structural schematic diagram of a shell provided in an embodiment of the present application;

[0028] Figure 8 It is a schematic diagram of the bottom structure of a shell provided in an embodiment of the present application.

[0029] Description of labels:

[0030] Electric toothbrush-1000, fixing structure-100, bracket assembly-10, main bracket-11, sliding bar-111, first positioning part-112, first fixing part-12, first fixing part-121, second inclined surface-1211, second fixing part-122, third inclined surface-1222, bottom cover-20, bottom cover body-21, second fixing part-22, first buckling part-221, first inclined surface-222, second positioning part-23, shell-30, second buckling part-31, slide groove-32, buckling part-33, sealing part-40, flexible circuit board-50. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above drawings are used to distinguish different objects rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0033] In this specification, for the sake of convenience, the words and phrases indicating the orientation or positional relationship such as "middle", "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like are used to illustrate the positional relationship of the constituent elements with reference to the drawings. This is only for the convenience of describing this specification and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure. The positional relationship of the constituent elements is appropriately changed according to the orientation of the constituent elements being described. Therefore, it is not limited to the words and phrases described in the specification, and can be appropriately replaced according to the circumstances.

[0034] In this specification, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate, or the internal communication of two elements. For ordinary technicians in this field, the meanings of the above terms in this disclosure can be understood according to the circumstances.

[0035] In the related art, the installation of the outer shell, bracket and bottom cover of the electric toothbrush is relatively complicated, and the installation stability is relatively poor.

[0036] Please refer to Figure 1 and Figure 2 , Figure 1 is a schematic diagram of the structure of an electric toothbrush provided in an embodiment of the present application, Figure 2 It is a partial cross-sectional schematic diagram of a fixing structure provided in an embodiment of the present application.

[0037] The present application provides a fixing structure 100 to solve the technical problem of the complicated installation of the outer shell, bracket and bottom cover of the electric toothbrush in the related art.

[0038] The fixing structure 100 includes a bracket assembly 10, a bottom cover 20 and a housing 30. The bracket assembly 10 includes a main bracket 11 and a first fixing member 12, one end of the first fixing member 12 is connected to the main bracket 11, the other end of the first fixing member 12 extends along the axial direction of the main bracket 11 and is spaced apart from the main bracket 11, a first fixing portion 121 is provided on a side of the first fixing member 12 facing the main bracket 11, and a second fixing portion 122 is provided on a side of the first fixing member 12 facing away from the main bracket 11.

[0039] The bottom cover 20 is arranged at one end of the bracket assembly 10 close to the first fixing member 12, and the bottom cover 20 includes a bottom cover body 21 and a second fixing member 22, the second fixing member 22 is arranged on the bottom cover body 21 and extends along its axial direction, the second fixing member 22 is arranged between the first fixing member 12 and the main bracket 11, and the second fixing member 22 is provided with a first buckling portion 221 on the side facing the first fixing member 12, the first buckling portion 221 is arranged corresponding to the first fixing portion 121, and the first buckling portion 221 and the first fixing portion 121 abut to fix the bottom cover 20 and the bracket assembly 10.

[0040] The shell 30 is sleeved on the outside of the bracket assembly 10, and the shell 30 is used to accommodate the bracket assembly 10 and the bottom cover 20. The inner wall of the shell 30 is provided with a second buckling portion 31, and the second buckling portion 31 is arranged corresponding to the second fixing portion 122. The second buckling portion 31 and the second fixing portion 122 abut against each other to fix the bracket assembly 10 and the shell 30.

[0041] The fixed structure 100 provided in this embodiment can be applied to an electric toothbrush 1000, which includes a motor, a battery core assembly and the fixed structure 100. The motor and the battery core assembly are arranged on the fixed structure 100. The output shaft of the motor is used to connect the toothbrush head. The motor drives the toothbrush head to vibrate at a high frequency through the output shaft to clean the user's oral cavity. The battery core assembly is electrically connected to the motor to supply power to the motor. In other embodiments, the fixed structure 100 can also be applied to other machine devices, and this application does not limit this. The electric toothbrush 1000 provided in this embodiment must include the motor, the battery core assembly and the fixed structure 100, but this does not mean that the electric toothbrush 1000 can only include the above structure. The electric toothbrush 1000 may further include a control circuit board, a display component, etc. The control circuit board is electrically connected to the motor and the battery core component, and the control circuit board can be used to control the working state of the motor. The display component is electrically connected to the control circuit board and can be used to display information such as the power level, working state, and time of the electric toothbrush 1000 to prompt the user to use the electric toothbrush 1000 correctly and improve the functionality of the electric toothbrush 1000.

[0042] One end of the first fixing member 12 is connected to the main frame 11, and the other end extends along the axial direction of the main frame 11. Specifically, the other end of the first fixing member 12 first extends obliquely in a direction away from the main frame 11 and in a direction close to the bottom of the main frame 11, and then extends in a direction close to the main frame 11, and is spaced from the main frame 11 to form a receiving gap for receiving the second fixing member 22. In addition, the first fixing member 12 is disposed between the second fixing member 22 and the housing 30.

[0043] The bottom cover 20 includes the bottom cover body 21 and the second fixing member 22, wherein the second fixing member 22 is disposed on the bottom cover body 21 and extends along the axial direction thereof. Specifically, the second fixing member 22 extends axially in a direction away from the bottom cover body 21, and the second fixing member 22 extends into the receiving gap formed between the main frame 11 and the first fixing member 12.

[0044] The first fixing member 12 is provided with a first fixing portion 121 on a side facing the main support 11. Specifically, the first fixing member 12 is provided with the first fixing portion 121 on a side facing the second fixing member 22 of the bottom cover 20. The second fixing member 22 is provided with a first buckling portion 221 on a side facing the first fixing member 12. The first buckling portion 221 is provided corresponding to the first fixing portion 121. In other words, the positions of the first buckling portion 221 and the first fixing portion 121 correspond, and the first buckling portion 221 and the first fixing portion 121 can be abutted and matched to fix the bottom cover 20 and the support assembly 10.

[0045] Optionally, one of the first buckling portion 221 and the first fixing portion 121 is a protrusion, and the other is a groove, and when the protrusion is disposed in the groove, the protrusion abuts against the groove wall of the groove to limit the protrusion in the groove. In other words, the first buckling portion 221 and the first fixing portion 121 are fixed to each other, thereby fixing the first fixing member 12 and the second fixing member 22 to each other, thereby fixing the bottom cover 20 and the bracket assembly 10 to each other. It should be noted that if Figure 2 As shown, the present application schematically illustrates that the first fixing portion 121 is a protrusion and the first buckling portion 221 is a groove, which should not be understood as a limitation to the present application.

[0046] The inner wall of the shell 30 is provided with the second buckling portion 31, and the second buckling portion 31 is arranged corresponding to the second fixing portion 122. In other words, the positions of the second buckling portion 31 and the second fixing portion 122 correspond, and the second buckling portion 31 and the second fixing portion 122 can abut and cooperate with each other to fix the shell 30 and the bracket assembly 10.

[0047] Optionally, one of the second buckling portion 31 and the second fixing portion 122 is a protrusion, and the other is a groove, and when the protrusion is arranged in the groove, the protrusion abuts against the groove wall of the groove to limit the protrusion in the groove. In other words, the second buckling portion 31 and the second fixing portion 122 are fixed to each other, so that the first fixing member 12 and the inner wall of the shell 30 are fixed to each other, and the bracket assembly 10 and the shell 30 are fixed to each other. It should be noted that if Figure 2 As shown, the present application schematically illustrates that the second fixing portion 122 is a protrusion and the second buckling portion 31 is a groove, which should not be understood as a limitation to the present application.

[0048] In the fixing structure 100 provided in the present application, the bracket assembly 10 includes the main bracket 11 and the first fixing member 12, one end of the first fixing member 12 is connected to the main bracket 11, and the other end extends along the axial direction of the main bracket 11 and is spaced apart from the main bracket 11, the first fixing member 12 is provided with a first fixing portion 121 on the side facing the main bracket 11, the first fixing portion 121 is used to abut against the first buckling portion 221 of the bottom cover 20 to fix the bottom cover 20 and the bracket assembly 10, and the first fixing member 12 is provided with a second fixing portion 122 on the side away from the main bracket 11, the second fixing portion 122 is used to abut against the second buckling portion 31 of the shell 30 to fix the bracket assembly 10 and the shell 30. The bottom cover 20 is first installed on the bottom of the bracket assembly 10, and then the bracket assembly 10 and the bottom cover 20 are installed together inside the shell 30, which is beneficial to simplify the installation steps of the bracket assembly 10, the shell 30 and the bottom cover 20, and reduce the difficulty of assembling the fixed structure 100.

[0049] In addition, the two sides of the first fixing member 12 are fixedly connected to the bottom cover 20 and the shell 30 respectively. When the bracket assembly 10 is fixedly connected to the shell, the second fixing member 22 of the bottom cover 20 abuts against the first fixing member 12 of the bracket assembly 10, and pressure can be applied to the first fixing member 12, so that the first fixing member 12 can be tightly attached to the shell 30, so that the fixed connection between the bracket assembly 10 and the shell 30 is more stable, which is beneficial to improving the structural stability of the fixed structure 100.

[0050] Furthermore, it should be noted that, in this embodiment, the housing 30 includes an inner housing and an outer housing, the inner housing is made of PA plastic material, and the outer housing is made of metal material, including but not limited to aluminum alloy. The inner housing is made of plastic material, which is conducive to assembling the bracket assembly 10. The outer housing is made of metal material, which has a high hardness and can prevent the electric toothbrush 1000 from falling and damaging internal components, which is conducive to improving the safety and aesthetics of the electric toothbrush 1000.

[0051] It should be noted that, in the present embodiment, the number of the first fixing members 12 is 2, and the two first fixing members 12 are symmetrically spaced on the main support 11, the number of the second fixing members 22 is 2, and the two second fixing members 22 are symmetrically spaced on the bottom cover body 21, and the number of the second buckling parts 31 is 2, and the two second buckling parts 31 are symmetrically spaced on the inner wall of the shell 30. The two first fixing members 12 and the two second fixing members 22 are fixed respectively to fix the bottom cover 20 on the support assembly 10, and the two first fixing members 12 and the two second buckling parts 31 are fixed to fix the support assembly 10 in the shell 30. Optionally, in other embodiments, the number of the first fixing members 12, the second fixing members 22, and the second buckling parts 31 can also be 3, or 4, or more than 4. The present application is only schematically described with the number of the first fixing members 12, the second fixing members 22, and the second buckling parts 31 being 2, which should not be understood as limiting the present application.

[0052] Please refer to Figure 2 and Figure 3 , Figure 3 2 is a schematic diagram of a bottom cover structure provided by an embodiment of the present application. Further, in some embodiments, the end of the second fixing member 22 away from the bottom cover body 21 is provided with a first inclined surface 222, and in a first direction, the first inclined surface 222 is inclined in a direction close to the first fixing member 12, and the first direction is the arrangement direction of the second fixing member 22 and the bottom cover body 21. In other words, the first direction is the direction toward the bottom in the axial direction of the fixing structure 100.

[0053] The second fixing member 22 is provided with the first inclined surface 222, and the first inclined surface 222 is provided on the side of the first buckling portion 221 away from the bottom cover body 21. When the bottom cover 20 is assembled on the bracket assembly 10, the second fixing member 22 and the first fixing member 12 are assembled, and the first inclined surface 222 first abuts against the first fixing portion 121 of the first fixing member 12. The first inclined surface 222 is in an inclined state, which is conducive to the first inclined surface 222 sliding relative to the first fixing portion 121, so that the first buckling portion 221 can move to the position corresponding to the first fixing portion 121, and the first fixing portion 121 is buckled with the first buckling portion 221.

[0054] Please refer to Figures 2 to 4 , Figure 4 1 is a schematic diagram of the bottom structure of a bracket assembly provided in an embodiment of the present application. Further, in some embodiments, the first fixing portion 121 is provided with a second inclined surface 1211 on one side facing the bottom cover body 21, and in a first direction, the second inclined surface 1211 is inclined in a direction close to the main bracket 11, and the first direction is the extension direction of the first fixing member 12.

[0055] A second inclined surface 1211 is provided on one side of the first fixing portion 121 facing the bottom cover body 21. When the bottom cover 20 is assembled on the bracket assembly 10, the second fixing member 22 and the first fixing member 12 are assembled, and the second inclined surface 1211 first abuts against the second fixing member 22. The second inclined surface 1211 is in an inclined state, which is conducive to the second inclined surface 1211 sliding relative to the second fixing member 22, so that the first fixing portion 121 can move to the position corresponding to the first buckling portion 221, and the first fixing portion 121 is buckled with the first buckling portion 221.

[0056] Furthermore, in some embodiments, a third inclined surface 1222 is provided at one end of the second fixing portion 122 away from the bottom cover body 21 , and in a first direction, the third inclined surface 1222 is inclined in a direction close to the shell 30 , and the first direction is an extension direction of the first fixing member 12 .

[0057] A third inclined surface 1222 is provided at one end of the second fixing portion 122 away from the bottom cover body 21. When the bracket assembly 10 is assembled to the inner wall of the housing 30, the first fixing member 12 and the inner wall of the housing 30 are assembled, and the third inclined surface 1222 of the first fixing member 12 is used to abut against the inner wall of the housing 30. The third inclined surface 1222 is in an inclined state, which is conducive to the sliding of the third inclined surface 1222 relative to the inner wall of the housing 30, so that the second fixing portion 122 can move to the position corresponding to the second buckling portion 31, and the second fixing portion 122 is buckled with the second buckling portion 31.

[0058] Please refer to Figures 2 to 8 , Figure 5 is a schematic diagram of the bottom structure after a bracket assembly and a bottom cover are assembled according to an embodiment of the present application. Figure 6 is a schematic structural diagram of a bracket assembly provided in an embodiment of the present application, Figure 7 is a schematic diagram of the structure of a housing provided in an embodiment of the present application, Figure 8 It is a schematic diagram of the bottom structure of a shell provided in an embodiment of the present application.

[0059] In some embodiments, the main support 11 is provided with a slide bar 111 arranged along the axial direction, and the inner wall of the shell 30 is provided with a slide groove 32 arranged along the axial direction. The slide bar 111 is arranged in the slide groove 32 and moves along the extension direction of the slide groove 32 to limit the circumferential movement of the main support 11 relative to the shell 30.

[0060] Specifically, when the main body support 11 is installed in the shell 30, after the slide bar 111 of the main body support 11 is aligned with the slide groove 32 in the shell 30, the main body support 11 is pushed into the shell 30, and the slide bar 111 moves along the slide groove 32, so that the main body support 11 moves in the shell 30 along the axial direction of the shell 30, which can avoid the phenomenon of misalignment between the main body support 11 and the shell 30 during the assembly process. In addition, when the slide bar 111 of the main body support 11 is completely arranged in the slide groove 32, the second fixing part 122 on the first fixing member 12 of the main body support 11 is buckled with the second buckling part 31 on the inner wall of the shell 30, so that the main body support 11 is fixed in the shell 30. When the bracket assembly 10 is fixed to the inner wall of the shell 30 , the slide bar 111 is disposed in the slide groove 32 and abuts against the groove wall of the slide groove 32 , which can limit the circumferential rotation of the bracket assembly 10 relative to the shell 30 to fix the bracket assembly 10 .

[0061] It should be noted that, in this embodiment, the number of the slide bars 111 is 2, and the two slide bars 111 are symmetrically spaced on the main support 11, the number of the slide grooves 32 is 2, and the two slide grooves 32 are symmetrically spaced on the inner wall of the shell 30, and the two slide bars 111 and the two slide grooves 32 are respectively matched and corresponding for fixation, which can further improve the circumferential limiting ability of the main support 11 relative to the shell 30. Optionally, in other embodiments, the number of the slide bars 111 and the slide grooves 32 can also be 3, or 4, or more than 4. This application is only schematically described with the number of the slide bars 111 and the slide grooves 32 being 2, which should not be understood as a limitation to this application.

[0062] In some embodiments, the fixing structure 100 further includes a sealing member 40, which is disposed around the outer periphery of the bottom cover body 21, and is used to abut against the bottom cover body 21 and the inner wall of the housing 30 to seal the gap between the bottom cover body 21 and the housing 30, so as to prevent water vapor from the external environment from entering the housing 30 and corroding the electronic components inside the housing 30. Optionally, the material of the sealing member 40 includes, but is not limited to, materials such as silicone.

[0063] Please refer to Figures 2 to 8 In some embodiments, the fixing structure 100 further includes a flexible circuit board 50, and the flexible circuit board 50 is used to electrically connect the display component and the control circuit board.

[0064] A buckling piece 33 is disposed on the inner wall of the bottom of the housing 30 , and a matching portion is disposed on the flexible circuit board 50 . The matching portion is buckled with the buckling piece 33 to limit the position of the flexible circuit board 50 .

[0065] Specifically, the matching portion is provided at one end of the flexible circuit board 50 away from the bottom, and the matching portion is buckled with the flexible circuit board 50 to limit the flexible circuit board 50, which can prevent the flexible circuit board 50 from being misaligned and affecting the normal operation of the electric toothbrush 1000, thereby improving the working stability of the electric toothbrush 1000.

[0066] Furthermore, in some embodiments, a receiving groove is provided on the inner wall of the bottom of the housing 30, and the buckle 33 is provided on the groove wall of the receiving groove, and the receiving groove is used to receive the matching portion. The matching portion of the flexible circuit board 50 is provided in the receiving groove, which can avoid interference between the bracket assembly 10 and the flexible circuit board 50 when the bracket assembly 10 and the housing 30 are installed, so as to reduce the difficulty of assembling the bracket assembly 10 and the housing 30. It should be noted that, in this embodiment, the installation steps of the electric toothbrush 1000 are: first assemble the display assembly and the flexible circuit board 50 in the housing 30, and then assemble the bracket assembly 10 and the bottom cover 20 with the housing 30.

[0067] Please refer to Figures 2 to 4 In some embodiments, a first positioning portion 112 is provided on the side of the main frame 11 facing the bottom wall of the bottom cover 20, and a second positioning portion 23 is provided on the bottom wall of the bottom cover 20. The first positioning portion 112 and the second positioning portion 23 cooperate to limit the circumferential rotation of the bottom cover 20 relative to the main frame 11.

[0068] Optionally, one of the first positioning portion 112 and the second positioning portion 23 is a protrusion, and the other is a groove, and when the protrusion is disposed in the groove, the protrusion abuts against the groove wall of the groove to limit the protrusion in the groove, which is beneficial for aligning and assembling the bottom cover 20 with the bracket assembly 10. Moreover, in the present embodiment, the first positioning portion 112 and the second positioning portion 23 are in the shape of a quadrilateral, which can fix the bottom cover 20 circumferentially relative to the bracket assembly 10 to prevent the bottom cover 20 from rotating relative to the bracket assembly 10. Optionally, the first positioning portion 112 and the second positioning portion 23 can also be in the shape of a triangle, a pentagon or other fool-proof shapes, and the present application does not impose any restrictions on this. It should be noted that if Figure 2 As shown, the present application schematically illustrates that the second positioning portion 23 is a protrusion and the first positioning portion 112 is a groove, which should not be construed as a limitation to the present application.

[0069] Please refer to Figures 1 to 8 The present application also provides an electric toothbrush 1000 , which includes a motor, a battery core assembly and the fixed structure 100 , wherein the motor and the battery core assembly are arranged on the fixed structure 100 .

[0070] The electric toothbrush 1000 provided in this embodiment adopts the fixing structure 100 provided above in this application, and the bracket assembly 10 includes the main bracket 11 and the first fixing member 12, one end of the first fixing member 12 is connected to the main bracket 11, and the other end extends along the axial direction of the main bracket 11 and is spaced apart from the main bracket 11, the first fixing member 12 is provided with a first fixing portion 121 on the side facing the main bracket 11, the first fixing portion 121 is used to abut the first buckling portion 221 of the bottom cover 20 to fix the bottom cover 20 and the bracket assembly 10, and the first fixing member 12 is provided with a second fixing portion 122 on the side away from the main bracket 11, the second fixing portion 122 is used to abut the second buckling portion 31 of the shell 30 to fix the bracket assembly 10 and the shell 30. First, the bottom cover 20 is installed on the bottom of the bracket assembly 10, and then the bracket assembly 10 and the bottom cover 20 are installed together inside the shell 30. This helps to simplify the installation steps of the bracket assembly 10, the shell 30 and the bottom cover 20, and reduce the difficulty of assembling the electric toothbrush 1000.

[0071] Mentioning "embodiment" and "implementation method" in this application means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The appearance of the phrases in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in this application can be combined with other embodiments. In addition, it should also be understood that the features, structures or characteristics described in the various embodiments of the present application can be arbitrarily combined to form another embodiment that does not deviate from the spirit and scope of the technical solution of the present application, provided that there is no contradiction between them.

[0072] The above is part of the implementation methods of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications are also considered to be within the scope of protection of the present application.

Claims

1. A fixing structure, applied to an electric toothbrush, characterized in that: The fixed structure comprises: A bracket assembly, comprising a main bracket and a first fixing member, wherein one end of the first fixing member is connected to the main bracket, and the other end of the first fixing member extends along the axial direction of the main bracket and is spaced apart from the main bracket, a first fixing portion is provided on a side of the first fixing member facing the main bracket, and a second fixing portion is provided on a side of the first fixing member facing away from the main bracket; a bottom cover, arranged at one end of the bracket assembly close to the first fixing member, the bottom cover comprising a bottom cover body and a second fixing member, the second fixing member being arranged on the bottom cover body and extending along the axial direction thereof, the second fixing member being arranged between the first fixing member and the main bracket, the second fixing member being provided with a first buckling portion on one side facing the first fixing member, the first buckling portion being arranged corresponding to the first fixing portion, the first buckling portion and the first fixing portion being in contact with each other to fix the bottom cover and the bracket assembly; and A shell is sleeved on the outside of the bracket assembly, and the shell is used to accommodate the bracket assembly and the bottom cover. The inner wall of the shell is provided with a second buckling portion, and the second buckling portion is arranged corresponding to the second fixing portion. The second buckling portion and the second fixing portion abut against each other to fix the bracket assembly and the shell.

2. The fixing structure according to claim 1, characterized in that: The main support is provided with a slide bar arranged in the axial direction, the inner wall of the shell is provided with a slide groove arranged in the axial direction, the slide bar is arranged in the slide groove and moves along the extension direction of the slide groove to limit the circumferential movement of the main support relative to the shell.

3. The fixing structure according to claim 1, characterized in that: The fixing structure further comprises a sealing member, which is arranged around the outer circumference of the bottom cover body and is used to abut against the bottom cover body and the inner wall of the shell to seal the gap between the bottom cover body and the shell.

4. The fixing structure according to claim 1, characterized in that: A first inclined surface is provided at one end of the second fixing member away from the bottom cover body. In a first direction, the first inclined surface is inclined in a direction close to the first fixing member. The first direction is the arrangement direction of the second fixing member and the bottom cover body.

5. The fixing structure according to claim 1, characterized in that: A second inclined surface is provided on one side of the first fixing portion facing the bottom cover body. In a first direction, the second inclined surface is inclined in a direction close to the main frame. The first direction is an extending direction of the first fixing member.

6. The fixing structure according to claim 1, characterized in that: A third inclined surface is disposed at one end of the second fixing portion away from the bottom cover body. In a first direction, the third inclined surface is inclined in a direction close to the shell. The first direction is an extending direction of the first fixing member.

7. The fixing structure according to claim 1, characterized in that: The inner wall of the bottom of the shell is provided with a buckling piece, and the fixing structure also includes a flexible circuit board. The flexible circuit board is provided with a matching portion, and the matching portion is buckled with the buckling piece to limit the flexible circuit board.

8. The fixing structure according to claim 7, characterized in that: The inner wall of the bottom of the shell is provided with a receiving groove, the buckle piece is arranged on the groove wall of the receiving groove, and the receiving groove is used to receive the matching part.

9. The fixing structure according to claim 1, characterized in that: A first positioning portion is provided on one side of the main frame facing the bottom wall of the bottom cover, and a second positioning portion is provided on the bottom wall of the bottom cover. The first positioning portion and the second positioning portion cooperate to limit the circumferential rotation of the bottom cover relative to the main frame.

10. An electric toothbrush, characterized in that: The electric toothbrush comprises a motor, a battery core assembly and a fixing structure as described in any one of claims 1 to 9, wherein the motor and the battery core assembly are arranged on the fixing structure.

Images