Electric toothbrush handle and electric toothbrush

Abstract

The electric toothbrush handle comprises a support, a motor cavity and a battery cavity are arranged on the support, a base is arranged at the bottom of the support, and a charging seat is arranged in the base. The circuit board is fixed on the support, the inner shell is arranged on the periphery of the support and the base, the outer shell is arranged on the periphery of the inner shell, the bottom cover is detachably arranged on the base, the soft rubber cover is connected with the bottom cover and comprises a cover body part, a soft rubber plug and a long fence, the soft rubber plug is movably connected with the base, the long fence is in interference fit with a charging socket of the charging seat, and the soft rubber plug is movably connected with the base. And a sealing cap which is in interference fit with the output shaft of the motor and the inner shell is arranged at the mounting hole of the bracket. The soft rubber cover and the bottom cover are connected into a whole, after the bottom cover is opened, the soft rubber plug can partially extend out of the base and cannot be completely separated from the base, charging is facilitated, and meanwhile the bottom cover is prevented from being lost; the long fence on the soft rubber cover can prevent water from entering the charging base, and the problems of water prevention and easy loss of the bottom cover are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric toothbrush technical field, specifically a kind of electric toothbrush handle and electric toothbrush. BACKGROUND

[0002] Electric toothbrush is a kind of toothbrush that is vibrated or rotated by motor, and the most commonly used charging mode of electric toothbrush in prior art is inductive charging and USB charging. Inductive charging has better waterproof performance, but generally needs to be configured with corresponding charger, and the cost increases. USB charging does not need special charger and charging cord, and users can use common USB charging cord, mobile power supply or computer for charging, so the charging is more flexible. However, the electric toothbrush with USB charging in prior art also has the following problems:

[0003] 1. The USB charging jack usually needs to be exposed, which is easy to be damp or enter dust, affecting the charging effect. In order to enhance the waterproof performance, a bottom cover is usually provided at the USB charging jack, and the bottom cover needs to be removed during charging. However, the bottom cover is easy to be lost, which brings inconvenience to users.

[0004] 2. The structure of toothbrush handle generally includes a bracket for accommodating motor and battery, and a shell sleeved outside the bracket. In prior art, a groove is provided on the inner wall of the shell, and a corresponding protrusion is provided on the bracket. The bracket and the shell are fixed by buckle through the cooperation of the protrusion and the groove. This way is difficult to disassemble or cannot be disassembled, which is not convenient for maintenance. In the new type, screw holes are provided on the outer sides of the inner shell and the outer shell, and screw holes are also provided at the corresponding positions of the bracket. The inner shell and the outer shell are fixed by screws, which is convenient for disassembly. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the problems in prior art, the utility model provides an electric toothbrush handle and an electric toothbrush. The soft rubber cover of the electric toothbrush handle is connected with the bottom cover as a whole. The soft rubber plug on the upper surface of the soft rubber cover is movably connected with the base. When the bottom cover is opened, the soft rubber plug can partially extend out of the base, and at the same time, the soft rubber plug will not be completely separated from the base. This is convenient for charging, and also avoids the loss of the bottom cover. At the same time, the upper surface of the cover body part of the soft rubber cover is provided with a long type of fence. When the bottom cover is buckled, the long type of fence is interference fitted in the charging jack of the charging base, so as to prevent water from entering the charging jack during use. The problems of poor waterproof performance of the charging jack of the existing electric toothbrush and easy loss of the bottom cover are solved. At the same time, the inner shell and the bracket of the utility model are sealed and fixed by sealing element and screw, which ensures the sealing effect and is convenient for disassembly.

[0006] In order to achieve the above-mentioned purpose, the utility model realizes the following technical scheme:

[0007] The utility model provides an electric toothbrush handle, which comprises:

[0008] The bracket is provided with a motor cavity accommodating a motor and a battery cavity accommodating a battery from top to bottom, the top of the bracket is provided with a mounting hole adapted to the shell of the motor and through which the output shaft of the motor is arranged, and the side of the bracket is provided with an opening structure for mounting the motor and the battery;

[0009] The base is detachably arranged at the bottom of the bracket, and the base is provided with a charging seat;

[0010] The circuit board is fixed on the bracket, and the motor, the battery and the charging seat are connected with the circuit board;

[0011] The inner shell is arranged at the outer periphery of the bracket and the base;

[0012] The outer shell is arranged at the outer periphery of the inner shell;

[0013] The bottom cover is detachably arranged at the side of the base away from the bracket;

[0014] The soft rubber cover is connected with the bottom cover, the soft rubber cover comprises a cover body, a soft rubber plug arranged on the upper surface of the cover body and an elongated enclosure, the soft rubber plug is movably connected with the base, and the elongated enclosure is in interference fit with the charging socket of the charging seat;

[0015] The mounting hole of the bracket is also provided with a sealing cap in interference fit with the output shaft of the motor and the inner shell, specifically, the sealing cap is arranged in the mounting hole of the top end of the bracket in interference fit with the output shaft of the motor, and the outer periphery of the sealing cap is in interference fit with the inner shell.

[0016] The end of the soft rubber plug away from the cover body of the soft rubber cover is provided with a protrusion, the base is provided with a channel adapted to the soft rubber plug and the protrusion arranged thereon, the lower end of the channel is matched with the protrusion to limit the movement of the soft rubber plug, and the upper end of the channel is provided with a waterproof plug.

[0017] The soft rubber cover further comprises a plurality of connecting portions arranged on the lower surface of the cover body and a damping portion connected with the connecting portions, the bottom cover is provided with a through hole adapted to the connecting portions, the size of the damping portion is larger than that of the connecting portion, and the damping portion is located on the lower surface of the bottom cover.

[0018] The lower surface of the bottom cover is provided with a positioning groove in communication with the through hole and adapted to the damping portion, the damping portion is arranged in the positioning groove, and the height of the lower surface of the damping portion is higher than that of the bottom cover.

[0019] The outer periphery of the base is provided with a protruding rib, and the inner periphery of the bottom cover is provided with an inwardly inclined concave surface adapted to the protruding rib, so as to realize the snap-fit connection of the bottom cover and the base.

[0020] The upper side of the base is provided with an extension extending in length direction, and the end of the extension away from the base is provided with a flange extending to the outside, and the inner circumferential surface of the bottom end of the support is provided with a groove matched with the flange to realize the connection of the support and the base.

[0021] The bottom of the motor is provided with a pressing block, a gap is arranged between the pressing block and the motor cavity, the side of the pressing block away from the support is provided with a fastening block matched with the gap, the side of the fastening block facing the pressing block is provided with a pressing groove matched with the pressing block, and the fastening block and the pressing block are fixed through a screw.

[0022] The outer periphery of the base is provided with a sealing groove, and a sealing ring is arranged in the sealing groove.

[0023] Or / and the charging seat position of the base is filled with sealant to seal and fix the charging seat.

[0024] Or / and the side surface of the inner shell is provided with a screw hole position, a sealing member and a screw are sequentially arranged in the screw hole position to realize the sealing and fixing of the inner shell and the support.

[0025] The circuit board is provided with a key switch and a plurality of LED lamps, the inner shell is provided with a first key hole and a first light transmission hole at positions corresponding to the key switch and the LED lamps, a key soft rubber is arranged at the position of the first key hole, the key soft rubber is made of transparent or translucent material and extends to the position of the first light transmission hole, the outer shell is provided with a second key hole and a second light transmission hole at positions corresponding to the key switch and the LED lamps, and a key shell connected with the key soft rubber is arranged at the position of the second key hole.

[0026] The utility model also provides an electric toothbrush, which comprises the electric toothbrush handle and the toothbrush head.

[0027] Compared with the prior art, the utility model has the beneficial effects that:

[0028] 1. The soft rubber cover of the electric toothbrush handle is connected with the bottom cover as a whole, the soft rubber plug on the upper surface of the soft rubber cover is movably connected with the base, when the bottom cover is opened, the soft rubber plug can partially extend out of the base, and meanwhile, the soft rubber plug cannot be completely separated from the base, so that the charging is facilitated, and meanwhile, the bottom cover is prevented from being lost; meanwhile, the upper surface of the cover body part of the soft rubber cover is provided with an elongated blocking part, when the bottom cover is buckled, the elongated blocking part is interference-fitted in the charging jack of the charging base, water is prevented from entering the charging jack during use, and the problems of poor waterproof performance of the charging jack of the existing electric toothbrush and easy loss of the bottom cover are solved.

[0029] 2. The protrusion provided at one end of the soft rubber plug away from the cover body part of the soft rubber cover is larger than the hole diameter of the lower port of the channel on the base, so that the protrusion cannot be separated from the lower port, and the soft rubber plug is prevented from falling off the base, so that the bottom cover connected with the soft rubber cover is prevented from falling off the base; the waterproof plug is arranged at the upper port of the channel, and the waterproof performance is further improved.

[0030] 3. The design of the damping part on the soft rubber cover is formed through a secondary injection molding process, so that the damping part is located at the lower surface of the bottom cover, and the damping part is connected with the cover body part of the soft rubber cover through the connecting part, so that the connection between the soft rubber cover and the bottom cover is stable, and the height of the lower surface of the damping part is higher than that of the bottom cover, and the damping effect is achieved.

[0031] 4. The inner inclined concave surface arranged on the inner circumferential surface of the bottom cover is tightly matched with the convex ribs, so that the connection between the bottom cover and the base is stable, and loosening or falling off during use is prevented, so that the buckling and opening of the bottom cover are simple and convenient.

[0032] 5. The upper side of the base is provided with an extension part extending in the length direction, one end of the extension part away from the base is provided with a flange extending outward, and the flange of the base is embedded in the groove at the bottom end of the support, so that the connection between the base and the support is achieved, the operation is simple, the connection is stable, and loosening or falling off between the base and the support during use is prevented; the matching design of the flange and the groove enables the base and the support to be conveniently disassembled and assembled.

[0033] 6. The gap is arranged between the pressing block arranged at the bottom of the motor and the motor cavity, so that the installation of the motor is facilitated, then the motor is clamped and fixed in the motor cavity through the fastening block, and the fastening block is fixed through a screw, so that the installation of the motor is facilitated, the motor is prevented from shaking, and the stability of the motor is improved.

[0034] 7. The charging base of the base is filled with sealing glue, the charging base is sealed and fixed, and the outer periphery of the base is provided with a sealing groove in interference fit with the inner shell, so that the sealing effect is improved.

[0035] 8. The utility model discloses a side of inner casing is provided with screw hole position, and the support corresponding position also is equipped with screw hole, and in the screw hole position of inner casing is in proper order equipped with sealing element, screw, to realize the sealing fixed between inner casing and support, ensure the sealing effect, and convenient to disassemble. BRIEF DESCRIPTION OF DRAWINGS

[0036] BRIEF DESCRIPTION OF DRAWINGS Figure 1 It is the external structure schematic diagram of the utility model.

[0037] BRIEF DESCRIPTION OF DRAWINGS Figure 2 It is the bottom structure schematic diagram of the utility model.

[0038] BRIEF DESCRIPTION OF DRAWINGS Figure 3 It is the structure schematic diagram of the support of the utility model.

[0039] BRIEF DESCRIPTION OF DRAWINGS Figure 4 The utility model discloses the structure schematic diagram of support, inner casing, outer casing.

[0040] BRIEF DESCRIPTION OF DRAWINGS Figure 5 It is the structure schematic diagram of base and bottom cover of the utility model.

[0041] BRIEF DESCRIPTION OF DRAWINGS Figure 6 It is the bottom structure schematic diagram of bottom cover of the utility model.

[0042] BRIEF DESCRIPTION OF DRAWINGS Figure 7 It is the upper side structure schematic diagram of base of the utility model.

[0043] BRIEF DESCRIPTION OF DRAWINGS Figure 8 It is the outer periphery structure schematic diagram of base of the utility model.

[0044] BRIEF DESCRIPTION OF DRAWINGS Figure 9 It is the upper side structure schematic diagram of bottom cover of the utility model.

[0045] BRIEF DESCRIPTION OF DRAWINGS Figure 10 It is the outer periphery structure schematic diagram of inner casing of the utility model. DETAILED DESCRIPTION

[0046] The utility model is further explained in connection with the drawings and specific embodiment. It should be understood that these embodiments are only for explaining the utility model and are not for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, the person skilled in the art can make various alterations or modifications to the utility model, and these equivalent forms also fall within the scope defined by the application.

[0047] In the description of the utility model, such as "first", "second" ordinal terms can be used to describe various components, but these components are not limited by these terms, and these terms are only used to distinguish one element from other elements. For example, without departing from the scope of the present disclosure, the first component can be referred to as the second component, and similarly, the second component can be referred to as the first component.

[0048] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship commonly used when the disclosed product is placed, or is the orientation or position relationship commonly understood by those skilled in the art, and is only for the convenience of describing the present disclosure and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present disclosure.

[0049] As Figures 1-10 The utility model provides a kind of electric toothbrush handle, including support 1, base 2, circuit board 3, inner shell 4, outer shell 5, bottom cover 6 and soft rubber cover 7, the inner shell 4 can be hard rubber material, the outer shell 5 can be aluminum shell material.

[0050] As Figures 2-5As shown, the bracket 1 is sequentially provided with a motor cavity 11 accommodating the motor 8, a battery cavity 12 accommodating the battery 9 from top to bottom, the top of the bracket 1 is provided with a mounting hole 13 adapted to the shell of the motor 8 and allowing the output shaft 81 of the motor 8 to pass through, the side of the bracket 1 is provided with an opening structure 14 for mounting the motor 8 and the battery 9, facilitating the mounting of the motor 8 and the battery 9. The base 2 is detachably arranged at the bottom of the bracket 1, and the base 2 is provided with a charging seat 21. The charging seat 21 can be a TYPE charging seat 21, which can be sealed in the base 2 by pouring glue, and the base 2 is further provided with a screw hole column, and a screw is arranged in the screw hole column to press the cured glue, so as to ensure that the charging seat 21 is fixed stably and prevent the charging seat 21 from falling off. The pouring of glue makes this position sealed and waterproof. The circuit board 3 is fixed on the bracket 1, and the motor 8, the battery 9 and the charging seat 21 are connected with the circuit board 3. The inner shell 4 is arranged at the outer periphery of the bracket 1 and the base 2, the outer shell 5 is arranged at the outer periphery of the inner shell 4, the bottom cover 6 is detachably arranged at the side of the base 2 away from the bracket 1, the soft rubber cover 7 is connected with the bottom cover 6, the soft rubber cover 7 comprises a cover body 71, a soft rubber plug 72 arranged on the upper surface of the cover body 71 and an elongated fence 73, the soft rubber plug 72 extends along the length direction, the soft rubber plug 72 is movably connected with the base 2, and the elongated fence 73 is in interference fit with the charging socket of the charging seat 21. When the bottom cover 6 is buckled, the elongated fence 73 is in interference fit in the charging socket of the charging seat 21, so as to prevent water from entering the charging socket during use. The mounting hole 13 of the bracket 1 is further provided with a sealing cap 16 in interference fit with the output shaft 81 of the motor 8 and the inner shell 4. Specifically, the sealing cap 16 can be made of silica gel, the sealing cap 16 is inserted into the output shaft 81 of the motor 8 and fixed at the position of the mounting hole 13 at the top end of the bracket 1, the outer periphery of the sealing cap 16 is in interference fit with the inner shell 4, the sealing cap 16 is inserted into the output shaft 81 of the motor 8 and fixed at the position of the mounting hole 13 at the top end of the bracket 1, the inner periphery of the sealing cap 16 is in interference fit with the output shaft 81 of the motor 8, and the outer periphery of the sealing cap 16 is in interference fit with the inner shell 4, so as to ensure the sealing effect.

[0051] The bottom cover 6 of the utility model can be connected with the soft rubber cover 7 by the secondary injection molding process, so that the soft rubber cover 7 is integrated with the bottom cover 6, the soft rubber plug 72 on the upper surface of the soft rubber cover 7 is movably connected with the base 2, when the bottom cover 6 is opened, the soft rubber plug 72 can partially extend out of the base 2, and at the same time, the soft rubber plug 72 cannot be completely separated from the base 2, so that the charging is facilitated, and the bottom cover 6 is also avoided from being lost. Meanwhile, the upper surface of the cover body 71 of the soft rubber cover 7 is provided with the elongated fence 73, when the bottom cover 6 is buckled, the elongated fence 73 is in interference fit in the charging socket of the charging seat 21, so as to prevent water from entering the charging socket during use, and the problems of poor waterproof performance of the charging socket of the existing electric toothbrush and easy loss of the bottom cover 6 are solved.

[0052] Further, as shown in FIG. 6, the soft rubber cover 7 is connected with the bottom cover 6 by the secondary injection molding process, so that the soft rubber cover 7 is integrated with the bottom cover 6, the soft rubber plug 72 on the upper surface of the soft rubber cover 7 is movably connected with the base 2, when the bottom cover 6 is opened, the soft rubber plug 72 can partially extend out of the base 2, and at the same time, the soft rubber plug 72 cannot be completely separated from the base 2, so that the charging is facilitated, and the bottom cover 6 is also avoided from being lost. Figures 5-7As shown, the soft rubber plug 72 is provided with a protrusion 721 at one end away from the cover body 71 of the soft rubber cover 7, and the base 2 is provided with a channel 22 corresponding to the soft rubber plug 72 and the protrusion 721 arranged thereon, and the lower end 221 of the channel 22 cooperates with the protrusion 721 to limit the movement of the soft rubber plug 72, and the upper end 222 of the channel 22 is provided with the waterproof plug 28.

[0053] In this embodiment, the protrusion 721 arranged at one end of the soft rubber plug 72 away from the cover body 71 of the soft rubber cover 7 is larger than the hole diameter of the lower end 221 of the channel 22 on the base 2, so that the protrusion 721 is not easy to be pulled out of the lower end 221, thereby preventing the soft rubber plug 72 from falling off the base 2, and thus preventing the bottom cover 6 connected with the soft rubber cover 7 from falling off the base 2. The upper end 222 of the channel 22 is provided with the waterproof plug, further enhancing the waterproof performance.

[0054] Further, as shown in Figure 5 , the soft rubber cover 7 further includes a plurality of connecting portions 74 arranged on the lower surface of the cover body 71, and a damping portion 75 connected with the connecting portions 74, and the bottom cover 6 is provided with a through hole 61 corresponding to the connecting portions 74, and the size of the damping portion 75 is larger than that of the connecting portions 74, and the damping portion 75 is located on the lower surface of the bottom cover 6. Preferably, the connecting portions 74 are provided in plurality and arranged at intervals on the edge of the lower surface of the cover body 71.

[0055] In this embodiment, the damping portion 75 is located on the lower surface of the bottom cover 6 and is formed by a secondary injection molding process, which ensures the stable connection between the soft rubber cover 7 and the bottom cover 6 and also has a damping effect.

[0056] Further, as shown in Figure 5 , Figure 6 , the lower surface of the bottom cover 6 is provided with a positioning groove 62 in communication with the through hole 61 and corresponding to the damping portion 75, and the damping portion 75 is arranged in the positioning groove 62, and the height of the lower surface of the damping portion 75 is higher than that of the bottom cover 6.

[0057] In this embodiment, the height of the lower surface of the damping portion 75 is higher than that of the bottom cover 6, which can have a damping effect when the product is placed on the table, effectively reducing the impact generated by the vibration or falling of the electric toothbrush, protecting the internal components (such as the motor 8, the battery 9, and the circuit board 3) from being damaged, thereby improving the use experience and durability of the electric toothbrush.

[0058] Further, as shown in Figure 8 , Figure 9 , the outer circumferential surface of the base 2 is provided with a protrusion 23, and the inner circumferential surface of the bottom cover 6 is provided with an inner inclined concave surface 63 corresponding to the protrusion 23, so as to achieve the snap-fit connection between the bottom cover 6 and the base 2.

[0059] In this embodiment, the outer circumferential surface of the base 2 is provided with a raised rib 23. The raised rib 23 can be an annular shape surrounding the entire outer circumferential surface of the base 2, or it can be multiple arc-shaped or other suitable shapes distributed at intervals around the outer circumferential surface of the base 2. The inwardly inclined concave surface 63 provided on the inner circumferential surface of the bottom cover 6 fits tightly with the raised rib 23 to ensure a stable connection between the bottom cover 6 and the base 2, preventing loosening or detachment during use, and making the operation of fastening and opening the bottom cover 6 simple and convenient.

[0060] Preferred, such as Figure 9 As shown, the bottom cover 6 is provided with an easy-open groove 64 to facilitate the opening of the bottom cover 6.

[0061] Furthermore, such as Figure 5 , Figure 8 As shown, the upper side of the base 2 is provided with an extension portion 24 extending along the length direction. The end of the extension portion 24 facing away from the base 2 is provided with an outwardly extending flange 25. The inner circumferential surface of the bottom end of the bracket 1 is provided with a groove 15 that corresponds to the flange 25, thereby achieving the connection between the bracket 1 and the base 2. Preferably, the base 2 is provided with two extension portions 24, which are symmetrically arranged.

[0062] In this embodiment, the flange 25 of the base 2 is embedded in the groove 15 at the bottom of the bracket 1 to connect the base 2 and the bracket 1. The operation is simple and the connection is stable, preventing the base 2 and the bracket 1 from becoming loose or falling off during use. The matching design of the flange 25 and the groove 15 makes it easy to disassemble and assemble the base 2 and the bracket 1, which is convenient for maintenance and replacement of parts.

[0063] Furthermore, such as Figure 3 As shown, a pressure block 82 is provided at the bottom of the motor 8. There is a gap between the pressure block 82 and the motor cavity 11. A fastening block 83 that matches the gap is provided on the side of the pressure block 82 away from the bracket 1. A pressure groove 831 that is adapted to the pressure block 82 is provided on the side of the fastening block 83 facing the pressure block 82. The fastening block 83 is fixed to the bracket 1 by screws.

[0064] In this embodiment, a gap is provided between the pressure block 82 at the bottom of the motor 8 and the motor cavity 11 to facilitate the installation of the motor 8. Then, the motor 8 is clamped and fixed in the motor cavity 11 by the fastening block 83, and the fastening block 83 is fixed by screws. This facilitates the installation of the motor 8 while preventing the motor 8 from shaking and improving the stability of the motor 8.

[0065] Furthermore, such as Figure 5 As shown, a sealing groove 26 is provided on the outer periphery of the base 2, and a sealing ring 27 is provided in the sealing groove 26. The sealing ring 27 is interference-fitted with the inner shell 4 to achieve sealing.

[0066] Furthermore, such as Figure 10As shown, the side of the inner housing 4 is provided with screw hole position 41, the sealing element, screw is sequentially arranged in the screw hole position 41, the sealing and fixing of inner housing 4 and support 1 are realized.Specifically, the opposite side of the opening structure 14 of the support 1 is provided with a screw hole corresponding to the screw hole position 41 of the inner housing 4, and the screw hole position 41 of the inner housing 4 has a flared groove on the outer peripheral surface, so that the sealing element is placed, and the sealing and fixing of the inner housing 4 and the support 1 are realized by sequentially placing the sealing element and the screw on the outer side of the inner housing 4.

[0067] Further, as shown in Figure 3 、 Figure 4 The circuit board 3 is provided with a plurality of LED lamps 32 and a plurality of LED lamps 32, and the inner housing 4 is provided with a first button hole 42 and a first light transmission hole 43 corresponding to the position of the button switch 31 and the LED lamp 32, respectively, and the position of the first button hole 42 is provided with a button soft glue 44, the button soft glue 44 is transparent or translucent material, and extends to the position of the first light transmission hole 43, preferably, the outer peripheral surface of the inner housing 4 is further provided with a soft glue groove 45 corresponding to the extension part 441 of the button soft glue 44; the outer housing 5 is provided with a second button hole 51 and a second light transmission hole 52 corresponding to the position of the button switch 31 and the LED lamp 32, respectively, and the second button hole 51 is provided with a button shell 53 connected with the button soft glue 44, and the light of the LED lamp 32 is transmitted through the second light transmission hole 52 after passing through the button soft glue 44 to display prompt information.

[0068] In this embodiment, the button soft glue 44 at the positions of the button switch 31 and the plurality of LED lamps 32 can be formed together, which is simple and convenient.

[0069] Further, as shown in Figure 4 、 Figure 10 The inner housing 4 is provided with a glue groove 46, and after the inner housing 4 is coated with glue, the outer housing 5 is sleeved on the inner housing 4 to fix the outer housing 5 on the inner housing 4.

[0070] The utility model further provides a kind of electric toothbrush, including the electric toothbrush handle and toothbrush head of the electric toothbrush, and the toothbrush head is detachably arranged on the output shaft 81 of motor 8.

Claims

1. An electric toothbrush handle, characterized by The utility model provides a kind of electric toothbrush handle, including: Support, the motor cavity containing motor, the battery cavity containing battery are sequentially arranged from top to bottom by the support, the top of the support is provided with the mounting hole that is adapted to the shell of motor and is provided for the output shaft of motor to go out, the side of the support is equipped with the opening structure for motor, battery installation; Base, detachably arranged in the bottom of support, the charging seat is arranged in the base; Circuit board, fixed on the support, the motor, battery, charging seat are connected with circuit board; Inner shell, arranged in the outer periphery of support and base; Outer shell, arranged in the outer periphery of inner shell; Bottom cover, detachably arranged in the side of base away from support; Soft rubber cover, connected with bottom cover, the soft rubber cover includes cover body, soft rubber plug arranged on the upper surface of cover body and long type enclosure, the soft rubber plug is movably connected with base, the long type enclosure is interference fit with the charging socket of charging seat; Wherein, the mounting hole position of the support is also provided with the sealing cap that is interference fit with the output shaft of motor and inner shell.

2. The electrically powered toothbrush handle of claim 1, wherein The end of the soft rubber plug away from the cover body of soft rubber cover is provided with a protrusion, the base is provided with a channel corresponding to the soft rubber plug and the protrusion arranged thereon, the lower end of the channel is matched with the protrusion to limit the movement of the soft rubber plug, and the upper end of the channel is provided with a waterproof plug.

3. The electrically powered toothbrush handle of claim 1, wherein The soft rubber cover further includes a plurality of connecting portions arranged on the lower surface of the cover body and a shock-absorbing portion connected with the connecting portions, the bottom cover is provided with a through hole corresponding to the connecting portions, the shock-absorbing portion has a size larger than that of the connecting portions, and the shock-absorbing portion is located on the lower surface of the bottom cover.

4. The electrically powered toothbrush handle of claim 3, wherein The lower surface of the bottom cover is provided with a positioning groove in communication with the through hole and corresponding to the shock-absorbing portion, the shock-absorbing portion is arranged in the positioning groove, and the height of the lower surface of the shock-absorbing portion is higher than that of the bottom cover.

5. The electrically powered toothbrush handle of claim 1, wherein The outer periphery of the base is provided with a protrusion, and the inner periphery of the bottom cover is provided with an inwardly inclined concave surface corresponding to the protrusion, so as to realize the snap-fit connection of the bottom cover and the base.

6. The electrically powered toothbrush handle of claim 1, wherein The upper side of the base is provided with an extension portion extending in the length direction, the end of the extension portion away from the base is provided with a flange extending outward, and the inner periphery of the bottom end of the support is provided with a groove corresponding to the flange, so as to realize the connection of the support and the base.

7. The electrically powered toothbrush handle of claim 1, wherein The bottom of the motor is provided with a pressing block, a gap is arranged between the pressing block and the motor cavity, the side of the pressing block away from the support is provided with a fastening block matched with the gap, the side of the fastening block facing the pressing block is provided with a pressing groove corresponding to the pressing block, and the fastening block and the support are fixed by screws.

8. The electric toothbrush handle according to claim 1, wherein The outer periphery of the base is provided with a sealing groove, and a sealing ring is arranged in the sealing groove; Or / and the charging seat position of the base is filled with sealant to seal and fix the charging seat; Or / and the side of the inner shell is provided with a screw hole, and a sealing element and a screw are sequentially arranged in the screw hole to realize the sealing and fixing of the inner shell and the support.

9. The electrically powered toothbrush handle of claim 1, wherein The circuit board is provided with a key switch and a plurality of LED lamps, the inner shell is provided with a first key hole and a first light transmission hole at positions corresponding to the key switch and the LED lamps respectively, a key soft rubber is arranged at the position of the first key hole, the key soft rubber is transparent or translucent material and extends to the position of the first light transmission hole; the outer shell is provided with a second key hole and a second light transmission hole at positions corresponding to the key switch and the LED lamps respectively, and a key shell connected with the key soft rubber is arranged at the position of the second key hole.

10. An electric toothbrush characterized by The electric toothbrush handle and the toothbrush head of any one of claims 1-9 are included, and the toothbrush head is detachably arranged on the output shaft of the motor.

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