Toothbrush handle and electric toothbrush

Abstract

The utility model discloses a toothbrush handle and an electric toothbrush, and relates to the technical field of electric toothbrushes. In the toothbrush handle, a neck light-emitting assembly is arranged at the upper end of a handle shell; the neck light-emitting assembly comprises an annular circuit board, a plurality of first light-emitting elements and a plurality of second light-emitting elements. The first light-emitting element is used for emitting first colored light, the second light-emitting element is used for emitting second colored light, and the first colored light and the second colored light are different in emitting color; wherein the first light-emitting elements and the second light-emitting elements are arranged on the annular circuit board and distributed at intervals in the annular direction of the annular circuit board, and the first light-emitting elements and the second light-emitting elements are alternately arranged in the annular direction of the annular circuit board; the first light-emitting element and the second light-emitting element can emit light at the same time or in a time-sharing mode so that an annular light-emitting area can be formed outside the upper end of the handle shell. By adopting fewer light-emitting elements, all switchable types of light-emitting colors of the annular light-emitting region reach the same level in the prior art.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric toothbrushes, in particular to a toothbrush handle and an electric toothbrush. BACKGROUND

[0002] The electric toothbrush generally comprises a toothbrush handle, a neck light-emitting assembly and a toothbrush head. The neck light-emitting assembly is arranged on the toothbrush handle and located at the end of the toothbrush handle close to the toothbrush head. The annular light-emitting area with light-emitting color is formed by the light-emitting of the neck light-emitting assembly, so as to improve the appearance of the electric toothbrush or indicate the current working state of the electric toothbrush.

[0003] In the existing neck light-emitting assembly, the neck light-emitting assembly comprises light-emitting elements with different light-emitting colors. The annular light-emitting area is lighted by the light-emitting element with one light-emitting color, so that the light-emitting color of the annular light-emitting area is the light-emitting color of the light-emitting element. Thus, all the switchable types of the light-emitting color of the annular light-emitting area are the types of the light-emitting colors of the different light-emitting elements in the neck light-emitting assembly. This results in that the volume of the neck light-emitting assembly is relatively bulky, which is not conducive to the miniaturization of the toothbrush handle.

[0004] Therefore, how to improve the miniaturization degree of the toothbrush handle is still a technical problem to be solved by the person skilled in the art. CONTENT OF THE UTILITY MODEL

[0005] In view of this, in order to solve the above technical problems, the present application provides a toothbrush handle and an electric toothbrush.

[0006] In order to solve the above technical problems, one of the technical solutions adopted by the present application is to provide a toothbrush handle, which comprises a handle shell, a driving motor and a neck light-emitting assembly. The driving motor is arranged in the handle shell and connected with a driving rod. The neck light-emitting assembly is arranged at the upper end of the handle shell.

[0007] The neck light-emitting assembly comprises an annular circuit board, a plurality of first light-emitting elements and a plurality of second light-emitting elements. The driving rod penetrates through the annular circuit board. The first light-emitting elements are used for emitting first color light, and the second light-emitting elements are used for emitting second color light. The light-emitting colors of the first color light and the second color light are different.

[0008] Among them, the first light-emitting elements and the second light-emitting elements are arranged on the annular circuit board and spaced apart along the annular direction of the annular circuit board, and the first light-emitting elements and the second light-emitting elements are alternately arranged along the annular direction of the annular circuit board. The first light-emitting elements and the second light-emitting elements can emit light at the same time or at different times to form an annular light-emitting area outside the upper end of the handle shell.

[0009] To solve the above technical problems, another technical solution adopted by the present application is to provide an electric toothbrush, which comprises the toothbrush handle described above.

[0010] Beneficial effects: Different from the prior art, in the present application, the first light-emitting element and the second light-emitting element are alternately arranged along the ring direction of the ring-shaped circuit board, and the first light-emitting element and the second light-emitting element can emit light at the same time or at different times, so that the light-emitting color of the ring-shaped light-emitting area can be the light-emitting color of the first light-emitting element, the light-emitting color of the second light-emitting element, or the additive color of the light-emitting color of the first light-emitting element and the light-emitting color of the second light-emitting element. In this way, the additive color of the light-emitting colors of different light-emitting elements can be used in the present application to provide the additive color as one of the switchable types of the light-emitting color of the ring-shaped light-emitting area, so that fewer light-emitting elements can be used to achieve the same level of all switchable types of the light-emitting color of the ring-shaped light-emitting area as in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a cross-sectional structural schematic of the electric toothbrush of the present application;

[0012] Figure 2 is Figure 1 is an enlarged schematic view of the area A in

[0013] Figure 3 is Figure 2 is a labeled schematic view of the first to fourth weight-reducing grooves and the first to seventh support portions in the area in

[0014] Figure 4 is a structural schematic of the support member of the electric toothbrush of the present application, Figure 4 as viewed from one side of the outer periphery of the support member;

[0015] Figure 5 is a structural schematic of the support member of the electric toothbrush of the present application, Figure 5 as viewed from the other side of the outer periphery of the support member;

[0016] Figure 6 is a schematic side view of the electric toothbrush of the present application;

[0017] Figure 7 is an exploded schematic view of the electric toothbrush of the present application;

[0018] Figure 8 is Figure 7 is an enlarged schematic view of the area C in

[0019] Figure 9 is a three-dimensional structural schematic of the toothbrush head of the electric toothbrush of the present application, Figure 9 in which the support member is not shown;

[0020] Figure 10 is an enlarged schematic view of the area where the brush portion of the electric toothbrush of the present application is located, Figure 10 is a view of the toothbrush head as seen along the length direction of the needle bristles, Figure 10 the support member is not shown in the figure;

[0021] Figure 11 is a structural schematic view of the neck light-emitting assembly of the electric toothbrush of the present application;

[0022] Figure 12 is a view of the toothbrush head as seen along the length direction of the needle bristles, Figure 1 is an enlarged schematic view of the area B;

[0023] Figure 13 is a sectional schematic view of the area B as seen along another direction of the sectioning position; Figure 1

[0024] is a structural schematic view of the bottom cover assembly of the electric toothbrush of the present application; Figure 14

[0025] is an exploded schematic view of the bottom cover assembly of the electric toothbrush of the present application; Figure 15

[0026] Figure 16 is a structural schematic view of the first cover assembly of the electric toothbrush of the present application, Figure 16 as seen obliquely upward from the lower side of the first cover assembly.

[0027] Legend of Reference Signs:

[0028] electric toothbrush 10; drainage gap 11; toothbrush handle 100; first annular end face 101; toothbrush head 200; second annular end face 201; neck light-emitting assembly 300; annular circuit board 310; first light-emitting element 320; second light-emitting element 330;

[0029] handle shell 110; upper end opening 111; button setting side 112; button avoiding side 113; button avoiding opening 114; bottom cover assembly 120; first cover assembly 121; second cover assembly 122; annular sealing member 123; circuit board 130; drive motor 140; drive rod 141; battery 150; charging connector 160; strip-shaped circuit board 170; buffer member 180; cylindrical portion 181; ring portion 182; button 190; movement support 400;

[0030] ​First mounting slot 1211; charging jack 1212; accommodation slot 1213; guide surface 12131; base 1214; guide column 1215; guide hole 12151; second clamping block 1216; second mounting slot 1217; mounting column 1218; third clamping arm 1219; limiting block 511; annular flange part 512; waterproof breathable film 513; cover part 1221; pushing part 1222; avoiding space 1223; second clamping arm 1224; plug-in sleeve 1225;

[0031] Rod part 210; tubular shell 211; support 212; connecting column 2121; support part 2122; weight reduction slot 2123; vacant area 2124; first plug-in hole 2125; first clamping arm 2126; first clamping block 213; brush part 220; carrier 221; bristle distribution area 2211; bristle 222; middle bristle surface 2221; outer peripheral bristle surface 2222;

[0032] First weight reduction slot 2123a; second weight reduction slot 2123b; third weight reduction slot 2123c; fourth weight reduction slot 2123d;

[0033] First support part 2122a; second support part 2122b; third support part 2122c; fourth support part 2122d; fifth support part 2122e; sixth support part 2122f; seventh support part 2122g. DETAILED DESCRIPTION

[0034] In order for those skilled in the art to better understand the technical solutions of the present application, the present application will be described in further detail below in combination with the drawings and specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work shall fall within the scope of protection of the present application.

[0035] Please refer to Figures 1-5 As shown in the drawings, the electric toothbrush 10 of the present application comprises a toothbrush handle 100 and a toothbrush head 200. The toothbrush handle 100 comprises a handle shell 110 and a driving motor 140, the driving motor 140 is arranged in the handle shell 110 and is connected with a driving rod 141. The driving rod 141 is connected with the toothbrush handle 100, and the driving motor 140 drives the toothbrush head 200 to brush teeth through the driving rod 141.

[0036] As Figures 1-5 shown, the toothbrush head 200 comprises a rod part 210 and a brush part 220, the upper end of the rod part 210 is connected with the brush part 220, the rod part 210 comprises a tubular shell 211 and a support 212, and the support 212 is arranged in the tubular shell 211.

[0037] The support 212 comprises a connecting column 2121 and a support portion 2122, the connecting column 2121 is arranged at the inner side of the tubular shell 211 and extends in the direction towards the brush portion 220, and the driving rod 141 is connected with the connecting column 2121. The support portion 2122 is arranged protruding at the outer side wall of the connecting column 2121 and supports the tubular shell 211. The support portion 2122 and the outer side wall of the connecting column 2121 are surrounded by a weight-reducing groove 2123, so that the connecting column 2121 and the tubular shell 211 form an empty area 2124 in the weight-reducing groove 2123. The area where the weight-reducing groove 2123 is located and the area where the support portion 2122 is located are alternately distributed along the outer periphery of the connecting portion.

[0038] It should be understood that the empty area 2124 can be understood as an area not filled with solid or liquid, which can be an air cavity, but is not limited thereto.

[0039] By the above manner, the present application has at least the following two aspects of beneficial effects. First, the weight-reducing groove 2123 can reduce the weight of the support 212, thereby improving the brushing effect of the toothbrush head 200 on the teeth. Second, the area where the weight-reducing groove 2123 is located and the area where the support portion 2122 is located are alternately distributed along the outer periphery of the connecting column 2121, so that the support 212 can more firmly support the tubular shell 211 through the support portion 2122, thereby improving the transmission effect between the driving rod 141 and the toothbrush head 200. Therefore, the present application can improve the firmness of the connection between the constituent structures of the toothbrush head 200 and the lightweight of the toothbrush head 200.

[0040] As shown in Figures 1-5 , the tubular shell 211 gradually shrinks from the lower end of the tubular shell 211 to the upper end of the tubular shell 211, and the whole support 212 gradually shrinks from one side where the lower end of the connecting column 2121 is located to one side where the upper end of the connecting column 2121 is located. This can further improve the lightweight of the toothbrush head 200.

[0041] Optionally, as shown in Figures 1-5 , the area where the weight-reducing groove 2123 is located and the area where the support portion 2122 is located are alternately distributed around the axial direction of the connecting column 2121 and / or alternately distributed along the axial direction of the connecting column 2121.

[0042] Optionally, as shown in Figures 1-5As shown, the weight-reducing groove 2123 includes a first weight-reducing groove 2123a formed as an annular groove extending around the axial direction of the connecting column 2121. The side wall of the tubular shell 211 is provided with a first clamping block 213 protruding towards the first weight-reducing groove 2123a, and the first clamping block 213 is clamped with the first weight-reducing groove 2123a. The area between the first clamping block 213 and the connecting column 2121 in the first weight-reducing groove 2123a is formed as one of the vacant areas 2124.

[0043] Optionally, as shown, Figures 1-5 The weight-reducing groove 2123 includes a second weight-reducing groove 2123b, and the first weight-reducing groove 2123a and the second weight-reducing groove 2123b are sequentially and spaced apart along the axial direction of the connecting column 2121. The second weight-reducing groove 2123b is located below the first weight-reducing groove 2123a.

[0044] The support part 2122 is distributed around the outer periphery of the first weight-reducing groove 2123a and the second weight-reducing groove 2123b, so that the support part 2122 includes a first support part 2122a, a second support part 2122b, and a third support part 2122c. The first support part 2122a, the first weight-reducing groove 2123a, the second support part 2122b, the second weight-reducing groove 2123b, and the third support part 2122c are sequentially distributed along the axial direction of the connecting column 2121. The inner space of the second weight-reducing groove 2123b is formed as one of the vacant areas 2124.

[0045] In the above manner, the support of the tubular shell 211 by the first support part 2122a, the second support part 2122b, and the third support part 2122c can support the tubular shell 211 at multiple positions on the inner wall of the tubular shell 211, thereby improving the firmness of the support of the tubular shell 211 by the support part 2122.

[0046] Optionally, as shown, Figures 1-5 The weight-reducing groove 2123 includes a third weight-reducing groove 2123c and a fourth weight-reducing groove 2123d. The third weight-reducing groove 2123c and the fourth weight-reducing groove 2123d are distributed on opposite sides of the connecting column 2121. The third weight-reducing groove 2123c and the second weight-reducing groove 2123b are located on the same side of the connecting column 2121.

[0047] The third weight-reducing groove 2123c, the first weight-reducing groove 2123a, and the second weight-reducing groove 2123b are sequentially and spaced apart along the axial direction of the connecting column 2121. The fourth weight-reducing groove 2123d, the first weight-reducing groove 2123a, and the second weight-reducing groove 2123b are sequentially and spaced apart along the axial direction of the connecting column 2121.

[0048] The support portions 2122 are distributed around the outer periphery of the first, second, third and fourth lightening grooves 2123a, 2123b, 2123c and 2123d, so that the support portions 2122 include a fourth support portion 2122d, a fifth support portion 2122e, a sixth support portion 2122f and a seventh support portion 2122g. The fourth support portion 2122d, the third lightening groove 2123c, the first support portion 2122a and the first lightening groove 2123a are sequentially distributed along the axial direction of the connecting column 2121. The fifth support portion 2122e, the fourth lightening groove 2123d, the sixth support portion 2122f, the first lightening groove 2123a and the seventh support portion 2122g are sequentially distributed along the axial direction of the connecting column 2121. The inner spaces of the third lightening groove 2123c and the fourth lightening groove 2123d are each formed as one of the empty spaces 2124.

[0049] In the above manner, the first to seventh support portions 2122a to 2122g can be distributed around the outer periphery of the support member 212, so that the first to seventh support portions 2122a to 2122g can achieve multi-point support of the tubular shell 211.

[0050] Optionally, as shown in Figures 1-5 , the connecting column 2121 is provided with a first plug hole 2125, and the side wall of the first plug hole 2125 is provided with a first clamping arm 2126, which is located at the bottom wall of the lightening groove 2123. The driving rod 141 is inserted into the first plug hole 2125 and detachably clamped with the clamping block end of the first clamping arm 2126. In this way, the toothbrush head 200 is mounted and dismounted on the driving rod 141.

[0051] Optionally, referring to Figure 7 , Figure 9 and Figure 10 , the brush portion 220 includes a carrier 221 and bristles 222, and the bristles 222 are arranged on the carrier 221. The distribution area of the bristles 222 on the carrier 221 is defined as a bristle distribution area 2211, and the area of the bristle distribution area 2211 is 160-230 mm 2 .

[0052] By way of example but not limitation, the area of the bristle distribution area 2211 is, for example, 160 mm 2 , 200 mm 2 , 215 mm 2 , 230 mm 2 , but is not limited thereto. It should be noted that because the toothbrush head 200 is lightened by forming the empty spaces 2124 in the lightening grooves 2123 and the firmness of the connection between the constituent structures of the rod portion 210 is achieved, the brush portion 220 can be configured to have a larger weight and volume, so that the area of the bristle distribution area 2211 reaches 160 mm2 above.

[0053] Optionally, see Figure 7 , Figure 9 and Figure 10 The bristles 222 have a central bristle surface 2221 and an outer peripheral bristle surface 2222. The outer peripheral bristle surface 2222 is distributed around the central bristle surface 2221. The central bristle surface 2221 is convex relative to the outer peripheral bristle surface 2222 and is configured to protrude in a direction away from the carrier 221 to form a convex surface.

[0054] The above method has at least two beneficial effects. First, the convex surface formed by the intermediate bristle surface 2221 allows the bristles 222 to fully penetrate into the gaps between adjacent teeth when brushing, thus cleaning the gaps more thoroughly. Second, the convex surface 2221 thoroughly brushes the central area of ​​the tooth tip, while the peripheral bristle surface 2222 thoroughly brushes the outer periphery of the tooth tip.

[0055] Optionally, see Figure 7 , Figure 9 and Figure 10 The portion of the bristles 222 that forms the middle surface 2221 consists of 13 bristles with a circular cross-section. The portion of the bristles 222 that forms the outer surface 2222 consists of 12 bristles with an oval cross-section. It should be noted that each bristle may be composed of multiple guard hairs.

[0056] The bristle distribution area 2211 can be the area enclosed on the carrier 221 by the outer side of the outer periphery 2222, such as... Figure 10 As shown.

[0057] Optionally, in conjunction with the figure Figures 4-8 See Figures 1-3 The handle housing 110 has a button setting side 112 and a button avoidance side 113 distributed around the axis of the toothbrush handle 100. The button setting side 112 has a button avoidance opening 114, while the button avoidance side 113 does not have a button avoidance opening 114. A drainage gap 11 is formed between the lower end of the rod 210 and the upper end of the toothbrush handle 100, connecting the button setting side 112 and the button avoidance side 113. The drainage gap 11 extends downward from the button setting side 112 to the button avoidance side 113. It should be noted that the button 190 can be exposed through the button avoidance opening 114 so that a hand can press the button 190. The button 190 can be mounted on the circuit board 130 and electrically connected to the circuit board.

[0058] By the above manner, the present application has at least the following two aspects of beneficial effects. First, since the drainage gap 11 extends downward from the button setting side 112 to the button avoiding side 113, the liquid in the drainage gap 11 can flow to the button avoiding side 113 under the action of gravity, and thus the dirt is not easy to deposit in the drainage gap 11. Second, the drainage gap 11 can drain the liquid flowing downward along the rod portion 210 from the brush portion 220 to the button avoiding side 113, thereby avoiding or reducing the liquid flowing to the button setting side 112 from the brush portion 220 along the rod portion 210, and thus the risk of short circuit at the button 190 can be reduced. Therefore, the present application can reduce the risk of short circuit of the button 190 while avoiding or reducing the deposition of dirt at the joint of the toothbrush head 200 and the toothbrush handle 100.

[0059] Optionally, the upper end of the toothbrush handle 100 is formed with a first annular end face 101. The lower end of the rod portion 210 is formed with a second annular end face 201, and the first annular end face 101 and the second annular end face 201 are inclined relative to the axis of the toothbrush handle 100.

[0060] Optionally, the toothbrush handle 100 comprises a support 212, and the drive rod 141 is connected with the support 212 through the first annular end face 101 and the second annular end face 201.

[0061] Optionally, the toothbrush handle 100 comprises a buffer 180 arranged at the upper end of the handle shell 110.

[0062] The buffer 180 comprises a cylindrical portion 181 and a ring portion 182, the ring portion 182 covers the periphery of the upper end opening 111 of the handle shell 110, and the cylindrical portion 181 is inserted into the handle shell 110 through the upper end opening 111 of the handle shell 110 and is connected with the ring portion 182. The first annular end face 101 is formed on the end face of the upper end of the ring portion 182. The drive rod 141 passes through the cylindrical portion 181. In this way, the buffer 180 can avoid the excessive shaking of the handle shell 110 caused by the direct collision of the drive rod 141 with the handle shell 110.

[0063] Optionally, the upper end opening 111 of the handle shell 110 is formed as an opening inclined relative to the axis of the toothbrush handle 100, and the ring portion 182 extends along the periphery of the upper end opening 111 of the handle shell 110 to be inclined relative to the axis of the toothbrush handle 100.

[0064] Optionally, the drainage gap 11 drains the liquid flowing downward along the rod portion 210 from the brush portion 220 to the button avoiding side 113 along a drainage direction. As shown in the figure, the included angle θ between the drainage direction and the axis of the toothbrush handle 100 is 40-50 degrees. Figure 6

[0065] ​It should be noted that, in one example, if the overall shape of the portion of the toothbrush handle 100 used for hand gripping during brushing is cylindrical, prismatic, or similar, and one dimension is significantly larger than another, the axis of the toothbrush handle 100 can be the center line of the portion used for hand gripping during brushing, such as the line connecting the centers of the cylindrical structure or the center line of the prismatic structure. In another example, when the toothbrush handle 100 is placed with the brush head 220 attached to a toothbrush holder and the toothbrush handle 100 hanging down, the axis of the toothbrush handle 100 can be determined as a vertical line.

[0066] For example, and not limited to, the angle between the drainage direction and the axis of the toothbrush handle 100 is 40 degrees, 45 degrees, or 50 degrees.

[0067] Optionally, combined Figures 1-3 , Figure 7 and Figure 8 See Figure 11 As shown, the electric toothbrush 10 includes a neck light-emitting component 300, which is disposed at the upper end of the handle housing 110. The neck light-emitting component 300 is used to emit light to form an annular light-emitting area on the outer side of the upper end of the handle housing 110. Thus, the annular light-emitting area formed on the outer side of the handle housing 110 by the neck light-emitting component 300 can be used to indicate the working status of the electric toothbrush 10.

[0068] Optionally, combined Figures 1-3 , Figure 7 and Figure 8 See Figure 11 As shown, the neck light-emitting component 300 is disposed inside the handle housing 110. The light emitted by the neck light-emitting component 300 passes through the space between the rod 210 and the handle housing 110 to form an annular light-emitting area between the rod 210 and the handle housing 110, but is not limited thereto.

[0069] Optionally, combined Figures 1-3 , Figure 7 and Figure 8 See Figure 11 As shown, the neck light-emitting assembly 300 includes a ring circuit board 310, a plurality of first light-emitting elements 320, and a plurality of second light-emitting elements 330. A drive rod 141 passes through the ring circuit board 310. The first light-emitting elements 320 are used to emit a first color light, and the second light-emitting elements 330 are used to emit a second color light. The first color light and the second color light emit different colors.

[0070] The first light emitting element 320 and the second light emitting element 330 are arranged on the annular circuit board 310 and are spaced along the annular direction of the annular circuit board 310, and the first light emitting element 320 and the second light emitting element 330 are alternately arranged along the annular direction of the annular circuit board 310. The first light emitting element 320 and the second light emitting element 330 can emit light at the same time or at different times to form an annular light emitting area outside the upper end of the handle shell 110.

[0071] In the present application, the first light emitting element 320 and the second light emitting element 330 are alternately arranged along the annular direction of the annular circuit board 310, and the first light emitting element 320 and the second light emitting element 330 can emit light at the same time or at different times, so that the light emitting color of the annular light emitting area can be the light emitting color of the first light emitting element 320, the light emitting color of the second light emitting element 330, or the additive color of the light emitting color of the first light emitting element 320 and the light emitting color of the second light emitting element 330. In this way, the additive color of the light emitting color of the different light emitting elements can be used in the present application to provide the additive color as one of the switchable types of the light emitting color of the annular light emitting area, so that fewer light emitting elements can be used to achieve the same level as in the prior art.

[0072] Optionally, in combination with Figures 1-3 , Figure 7 and Figure 8 , referring to Figure 11 , the neck light emitting assembly 300 has a first light emitting state, a second light emitting state and a third light emitting state.

[0073] The first light emitting state includes that the first light emitting element 320 emits light and the second light emitting element 330 is turned off, so that the light emitting color of the annular light emitting area is the light emitting color of the first color light. The second light emitting state includes that the first light emitting element 320 is turned off and the second light emitting element 330 emits light, so that the light emitting color of the annular light emitting area is the light emitting color of the second color light. The third light emitting state includes that the first light emitting element 320 emits light and the second light emitting element 330 emits light, so that the light emitting color of the annular light emitting area includes the additive color of the light emitting color of the first color light and the light emitting color of the second color light.

[0074] It should be noted that the additive color can be the color formed by mixing the light emitting color of the first color light and the light emitting color of the second color light after the first color light and the second color light are combined. For example, but not limited to, the first color light can be blue, the second color light can be green, and the additive color can be cyan, which is the color formed by mixing blue and green.

[0075] Optionally, in combination with Figures 1-3 , Figure 7 and Figure 8 , referring to Figure 11As shown, the toothbrush handle 100 comprises a strip-shaped circuit board 170 and the circuit board 130, and the strip-shaped circuit board 170 is electrically connected with the annular circuit board 310 and the circuit board 130 respectively. The circuit board 130 is electrically connected with the driving motor 140. In this way, the annular circuit board 310 can be arranged at the end of the handle shell 110 corresponding to the driving rod 141, so as to realize the partition arrangement of the annular circuit board 310 and the circuit board 130.

[0076] Optionally, the electric toothbrush 10 can comprise a core support 400 arranged in the handle shell 110, the circuit board 130 and the battery 150, and the core support 400 can support the circuit board 130, the driving motor 140 and the battery 150. The core support 400 can be in a strip shape, and the shape of the handle shell 110 is matched with the core support 400, so that the handle shell 110 can be sleeved on the outside of the core support 400. The circuit board 130 can be arranged between the core support 400 and the handle shell 110.

[0077] The annular circuit board 310 and the strip-shaped circuit board 170 are hard or flexible circuit boards which are integrally connected.

[0078] In an example, the annular circuit board 310 and the strip-shaped circuit board 170 are hard circuit boards which are integrally connected, so that the annular circuit board 310 and the strip-shaped circuit board 170 can stably maintain their shapes under the action of their own gravity and are not easy to deform due to their own gravity.

[0079] In another example, the annular circuit board 310 and the strip-shaped circuit board 170 are flexible circuit boards which are integrally connected, so that the annular circuit board 310 can be flexibly deformed to adapt to the surface of the end face of the upper end of the handle shell 110 and / or the buffer 180 in the component structure arranged in the handle shell 110.

[0080] Optionally, in combination with Figures 1-3 , Figure 7 and Figure 8 , referring to Figure 11 As shown, the annular circuit board 310 is arranged in the handle shell 110, and the annular circuit board 310 is arranged to be inclined relative to the axis of the toothbrush handle 100, and the side of the annular circuit board 310 provided with the first light-emitting element 320 and the second light-emitting element 330 faces the upper end opening 111 of the handle shell 110. In this way, the handle shell 110 can accommodate the annular circuit board 310, so that the area of the annular circuit board 310 can be configured to be larger.

[0081] Optionally, as Figures 1-3 , Figure 7 and Figure 8As shown in FIG. 1, the upper end opening 111 of the handle shell 110 is formed as an opening obliquely arranged relative to the axis of the toothbrush handle 100, and the annular circuit board 310 is obliquely arranged relative to the axis of the toothbrush handle 100 following the upper end opening 111 of the handle shell 110.

[0082] As shown in FIG. 1, the upper end opening 111 of the handle shell 110 is formed as an opening obliquely arranged relative to the axis of the toothbrush handle 100, and the annular circuit board 310 is obliquely arranged relative to the axis of the toothbrush handle 100 following the upper end opening 111 of the handle shell 110.

[0083] As shown in FIG. 1, the upper end opening 111 of the handle shell 110 is formed as an opening obliquely arranged relative to the axis of the toothbrush handle 100, and the annular circuit board 310 is obliquely arranged relative to the axis of the toothbrush handle 100 following the upper end opening 111 of the handle shell 110. Figure 11 、 Figures 1-3 and Figure 7 As shown in FIG. 1, the upper end opening 111 of the handle shell 110 is formed as an opening obliquely arranged relative to the axis of the toothbrush handle 100, and the annular circuit board 310 is obliquely arranged relative to the axis of the toothbrush handle 100 following the upper end opening 111 of the handle shell 110. Figure 8 As shown in FIG. 1, the upper end opening 111 of the handle shell 110 is formed as an opening obliquely arranged relative to the axis of the toothbrush handle 100, and the annular circuit board 310 is obliquely arranged relative to the axis of the toothbrush handle 100 following the upper end opening 111 of the handle shell 110.

[0084] As shown in FIG. 1, the upper end opening 111 of the handle shell 110 is formed as an opening obliquely arranged relative to the axis of the toothbrush handle 100, and the annular circuit board 310 is obliquely arranged relative to the axis of the toothbrush handle 100 following the upper end opening 111 of the handle shell 110.

[0085] As shown in FIG. 1, the upper end opening 111 of the handle shell 110 is formed as an opening obliquely arranged relative to the axis of the toothbrush handle 100, and the annular circuit board 310 is obliquely arranged relative to the axis of the toothbrush handle 100 following the upper end opening 111 of the handle shell 110. Figure 11 As shown in FIG. 1, the upper end opening 111 of the handle shell 110 is formed as an opening obliquely arranged relative to the axis of the toothbrush handle 100, and the annular circuit board 310 is obliquely arranged relative to the axis of the toothbrush handle 100 following the upper end opening 111 of the handle shell 110. Figures 1-3 、 Figure 7 As shown in FIG. 1, the upper end opening 111 of the handle shell 110 is formed as an opening obliquely arranged relative to the axis of the toothbrush handle 100, and the annular circuit board 310 is obliquely arranged relative to the axis of the toothbrush handle 100 following the upper end opening 111 of the handle shell 110.

[0086] As shown in FIG. 1, the upper end opening 111 of the handle shell 110 is formed as an opening obliquely arranged relative to the axis of the toothbrush handle 100, and the annular circuit board 310 is obliquely arranged relative to the axis of the toothbrush handle 100 following the upper end opening 111 of the handle shell 110.

[0087] The second cover assembly 122 is arranged in the first mounting slot 1211. The second cover assembly 122 comprises a cover portion 1221 and a knob portion 1222. The cover portion 1221 covers the charging jack 1212, and the upper side of the cover portion 1221 is detachably connected with the first cover assembly 121. The knob portion 1222 is arranged at the side edge of the cover portion 1221, and the knob portion 1222 is formed with a clearance 1223 near one side of the bottom wall of the first mounting slot 1211.

[0088] In this way, the fingertips or nails of the hand can at least partially extend into the clearance 1223, so that the hand can push the knob portion 1222 to drive the second cover assembly 122 away from the bottom wall of the first mounting slot 1211, so that the cover portion 1221 can be separated from the charging jack 1212, so as to facilitate the insertion of the charging plug into the charging jack 1212. Therefore, the fingertips or nails of the hand can conveniently and quickly make the second cover assembly 122 out of the first mounting slot 1211.

[0089] Further, in combination with Figure 8 , referring to Figure 11 , Figures 1-3 , the lower side of the cover portion 1221, the lower side of the knob portion 1222 and the lower end of the side wall of the first mounting slot 1211 are located above the lower end of the handle housing 110, and the lower side of the cover portion 1221, the lower side of the knob portion 1222 and the lower end of the side wall of the first mounting slot 1211 are spaced apart from the lower end of the handle housing 110.

[0090] In this way, the liquid attached to the lower end of the handle housing 110 is not easy to flow back to the lower side of the cover portion 1221, the lower side of the knob portion 1222 and the lower end of the side wall of the first mounting slot 1211. In this way, the liquid attached to the lower end of the handle housing 110 is not easy to enter the charging jack 1212.

[0091] Further, in combination with Figure 7 , referring to Figure 8 , Figure 11 , the lower side of the cover portion 1221 and the lower side of the knob portion 1222 are located above the lower end of the side wall of the first mounting slot 1211, and the lower side of the cover portion 1221 and the lower side of the knob portion 1222 are spaced apart from the lower end of the side wall of the first mounting slot 1211. In this way, the difficulty of the liquid attached to the lower end of the first mounting slot 1211 entering the charging jack 1212 can be further improved, so that the waterproof performance of the charging jack 1212 can be further improved.

[0092] Optionally, the lower side surfaces of the cover 1221 and the dial 1222 are spaced apart from the lower end face of the side wall of the first mounting groove 1211, with the distance between the lower side surfaces of the cover 1221 and the lower end face of the side wall of the first mounting groove 1211 being 0.12 to 0.18 mm. This ensures a high degree of surface flatness while preventing liquid adhering to the lower end face of the first mounting groove 1211 from easily entering the charging socket 1212.

[0093] In one example, the distance between the lower side surface of the cover 1221 and the lower end face of the side wall of the first mounting groove 1211 is 0.12 mm, and the distance between the lower side surface of the pusher 1222 and the lower end face of the side wall of the first mounting groove 1211 is also 0.12 mm.

[0094] In another example, the distance between the lower side of the cover 1221 and the lower end face of the side wall of the first mounting groove 1211 is 0.12 mm, and the distance between the lower side of the pusher 1222 and the lower end face of the side wall of the first mounting groove 1211 is 0.15 mm.

[0095] In another example, the distance between the lower side surface of the cover 1221 and the lower end face of the side wall of the first mounting groove 1211 is 0.18 mm, and the distance between the lower side surface of the pusher 1222 and the lower end face of the side wall of the first mounting groove 1211 is 0.16 mm.

[0096] Optionally, the lower side of the cover 1221 and the lower side of the lever 1222 are coplanar, but not limited thereto.

[0097] Optionally, combined Figures 1-3 See Figure 7 , Figure 8 The projection of the cover portion 1221 along the extension direction of the axis of the toothbrush handle 100 does not overlap with the projection of the dial portion 1222 along the extension direction of the axis of the toothbrush handle 100.

[0098] The side of the dial 1222 near the bottom wall of the first mounting groove 1211 extends from the cover 1221 to the end away from the cover 1221 toward the side of the cover 1221 away from the bottom wall of the first mounting groove 1211, so that a clearance space 1223 is formed on the side of the dial 1222 near the bottom wall of the first mounting groove 1211.

[0099] In this way, the overall size of the toothbrush handle 100 consisting of the dial 1222 and the cover 1221 is smaller along the axis of the toothbrush handle 100, so that the dial 1222 and the cover 1221 can be accommodated in the first mounting groove 1211.

[0100] Optionally, combined Figure 11 See Figures 1-3 ,Figure 7 The first cover assembly 121 is provided with a clearance slot 1213 located at the side of the mounting slot and communicating with the clearance space 1223. In this way, the clearance slot 1213 can enable the fingertips or nails to extend into the clearance space 1223 more easily.

[0101] Optionally, in combination with Figure 8 Referring to Figure 11 , Figures 1-3 The side wall of the side of the clearance slot 1213 away from the clearance space 1223 is formed with a guide surface 12131 extending from the opening of the clearance slot 1213 to the side of the bottom wall of the first mounting slot 1211 closer to the clearance space 1223. In this way, the guide surface 12131 can guide the fingertips or nails extending into the clearance slot 1213 to slide towards the clearance space 1223, so that the fingertips or nails can extend into the clearance space 1223 more smoothly. Optionally, the guide surface 12131 is a guide inclined surface or a curved surface.

[0102] Optionally, in combination with Figure 7 Referring to Figure 8 , Figure 11 The first cover assembly 121 includes a base 1214. The base 1214 covers the lower end of the handle housing 110, and the first mounting slot 1211 and the clearance slot 1213 are arranged on the lower side of the base 1214. The upper side of the base 1214 is provided with a second mounting slot 1217. The second mounting slot 1217 is provided with a charging connector 160. The charging socket 1212 communicates with the second mounting slot 1217, and the second cover assembly 122 includes a plug-in sleeve 1225 protruding from the upper side of the cover 1221. The plug-in sleeve 1225 is detachably inserted into the charging socket 1212.

[0103] In the above manner, the plug-in sleeve 1225 inserted into the charging socket 1212 can block the charging socket 1212, further improving the waterproof performance of the charging socket 1212.

[0104] Optionally, in combination with Figures 1-3 Referring to Figure 7 , Figure 8 The first cover assembly 121 includes a guide column 1215 and a second clamping block 1216. The guide column 1215 protrudes from the upper side of the base 1214, and the guide column 1215 is provided with a guide hole 12151 penetrating through the lower side of the base 1214 and arranged spaced apart from the charging socket 1212. The end of the guide hole 12151 close to the lower side of the base 1214 is provided with the second clamping block 1216.

[0105] The second cover assembly 122 comprises a second clamping arm 1224, which is protrudingly arranged on the upper side of the cover portion 1221, and the clamping end of the second clamping arm 1224 is movably arranged in the guide hole 12151 and above the second clamping block 1216.

[0106] The clamping end of the second clamping arm 1224 can move up and down in the guide hole 12151, so that the second cover assembly 122 can move close to or away from the bottom wall of the first mounting groove 1211, and then the plug-in sleeve 1225 can be inserted into or withdrawn from the charging jack 1212. The second clamping block 1216 is used to clamp the clamping end of the second clamping arm 1224 to limit the stroke of the downward movement of the second cover assembly 122.

[0107] In the above manner, when the second cover assembly 122 moves away from the bottom wall of the first mounting groove 1211 and the clamping end of the second clamping arm 1224 clamps the second clamping block 1216, the second cover assembly 122 can be hung below the first cover assembly 121. In this way, when it is necessary to cover the charging jack 1212, the second cover assembly 122 hung below the first cover assembly 121 can be directly pushed to the bottom wall of the first mounting groove 1211 without the need to temporarily find the second cover assembly 122.

[0108] Optionally, in combination with Figure 11 , refer to Figures 1-3 , Figure 7 The first cover assembly 121 comprises a waterproof and breathable film 513, which is arranged in the guide hole 12151 and above the second clamping arm 1224, and the second clamping arm 1224 can move between the waterproof and breathable film 513 and the second clamping block 1216. It should be noted that when the electric toothbrush 10 is working, the driving motor 140 and the circuit board 130 will generate heat, and in order to prevent the handle shell 110 from swelling, it is necessary to ventilate. Therefore, by using the waterproof and breathable hole, ventilation is achieved while maintaining waterproof performance by using the guide hole 12151.

[0109] Optionally, in combination with Figure 8 , refer to Figure 11 , Figures 1-3 The first cover assembly 121 comprises a mounting column 1218, which is protrudingly arranged on the upper side of the base 1214, and the second mounting groove 1217 is arranged in the mounting column 1218.

[0110] Optionally, in combination with Figure 7 , refer to Figure 8 , Figure 11 The base 1214 and the sidewall of the lower end of the handle shell 110 are provided with an annular sealing member 123. The annular sealing member 123 includes but is not limited to a sealing coil.

[0111] Optionally, in combination with Figures 1-3 , see Figure 7 , Figure 8 The first cover assembly 121 includes an annular flange portion 512, which is protrudedly arranged on the upper side of the base 1214 and located at the periphery of the base 1214. The annular sealing member 123 is arranged between the annular flange portion 512 and the sidewall of the lower end of the handle housing 110.

[0112] Optionally, in combination with Figure 11 , see Figures 1-3 , Figure 7 The first cover assembly 121 includes a third clamping arm 1219, which is protrudedly arranged at the upper end of the annular flange portion 512 and clamped with the movement core support 400. In this way, the third clamping arm 1219 is more flexible, so that when the first cover assembly 121 is inserted into the lower end of the handle housing 110, the third clamping arm 1219 can be elastically deformed to clamp or release the movement core support 400.

[0113] Optionally, in combination with Figure 8 , see Figure 11 , Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures 1-3 Figure 7 Figure 8 Figure 11 Figures The first cover assembly 121 includes a limiting block 511, which is detachably clamped between the mounting column 1218 and the guide column 1215 and between the guide column 1215 and the annular flange portion 512. The limiting block 511 clamped between the mounting column 1218 and the guide column 1215 extends to abut against the annular flange. In this way, the limiting block 511 can support the mounting column 1218 and the guide column 1215, preventing the mounting column 1218 and the guide column 1215 from being skewed.

[0114] The above is only an embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or directly or indirectly applied to other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A toothbrush handle, characterized in that, The toothbrush handle includes a handle housing, a drive motor, and a neck light-emitting component. The drive motor is disposed inside the handle housing and connected to a drive rod; the neck light-emitting component is disposed at the upper end of the handle housing. The neck light-emitting component includes a ring circuit board, a plurality of first light-emitting elements, and a plurality of second light-emitting elements; the drive rod passes through the ring circuit board; the first light-emitting elements are used to emit a first color light, and the second light-emitting elements are used to emit a second color light, wherein the first color light and the second color light emit different colors; The first light-emitting element and the second light-emitting element are disposed on the annular circuit board and are distributed at intervals along the circumferential direction of the annular circuit board, and the first light-emitting element and the second light-emitting element are alternately arranged along the circumferential direction of the annular circuit board; the first light-emitting element and the second light-emitting element can emit light simultaneously or at different times to form an annular light-emitting area outside the upper end of the handle housing.

2. The toothbrush handle according to claim 1, characterized in that, The neck light-emitting component has a first light-emitting state, a second light-emitting state, and a third light-emitting state; The first light-emitting state includes the first light-emitting element emitting light and the second light-emitting element being turned off, so that the light-emitting color of the annular light-emitting area is the light-emitting color of the first color light; The second light-emitting state includes the first light-emitting element being off and the second light-emitting element emitting light, so that the light-emitting color of the annular light-emitting area is the light-emitting color of the second color light; The third luminous state includes the first luminous element emitting light and the second luminous element emitting light, so that the luminous color of the annular luminous area includes the superposition of the luminous color of the first color light and the luminous color of the second color light.

3. The toothbrush handle according to claim 2, characterized in that, The first color light is blue, the second color light is green, and the superimposed color is cyan.

4. The toothbrush handle according to claim 1, characterized in that, The toothbrush handle includes a strip circuit board and a circuit board, the strip circuit board being electrically connected to the ring circuit board and the circuit board respectively; the circuit board being electrically connected to the drive motor.

5. The toothbrush handle according to claim 4, characterized in that, The ring-shaped circuit board and the strip-shaped circuit board are integrally connected rigid or flexible circuit boards.

6. The toothbrush handle according to claim 4, characterized in that, The annular circuit board is disposed inside the handle housing, and the annular circuit board is inclined relative to the axis of the toothbrush handle. The annular circuit board is provided with the first light-emitting element and the second light-emitting element, one side of which opens towards the upper end of the handle housing.

7. The toothbrush handle according to claim 6, characterized in that, The upper opening of the handle housing is formed as an opening that is inclined relative to the axis of the toothbrush handle, and the annular circuit board is inclined relative to the axis of the toothbrush handle, following the upper opening of the handle housing. The toothbrush handle includes a buffer, which comprises a cylindrical portion and a ring portion. The ring portion covers the periphery of the upper opening of the handle housing. The cylindrical portion is connected to the ring portion and passes through the upper opening of the handle housing and is inserted into the handle housing. The drive rod passes through the cylindrical portion. The ring portion extends along the periphery of the upper opening of the handle housing and is inclined relative to the axis of the toothbrush handle. The first light-emitting element and the second light-emitting element can illuminate the ring portion to form an annular light-emitting area.

8. The toothbrush handle according to claim 7, characterized in that, The acute angle between the upper opening of the handle housing and the axis of the toothbrush handle is 40 to 50 degrees.

9. The toothbrush handle according to claim 1, characterized in that, The distance between adjacent first light-emitting elements and second light-emitting elements is the first distance, which is less than 3mm.

10. An electric toothbrush, characterized in that, The electric toothbrush includes the toothbrush handle as described in any one of claims 1-9.

Images