CN215192491U - Electric toothbrush - Google Patents

Abstract

The present application provides an electric toothbrush comprising: the toothbrush handle comprises a shell and an inner cavity surrounded by the shell, the inner cavity is provided with an opening, a vibration motor is arranged in the inner cavity, a transmission rod of the vibration motor penetrates through the opening to be connected with a toothbrush head, a first sealing ring is fixedly sleeved on the transmission rod, and the transmission rod is connected with the inner wall surface of the opening in a sealing mode through the first sealing ring; the utility model discloses a vibration motor, including first sealing washer, vibrating motor, first sealing washer, second sealing washer, first sealing washer is located on the transfer line first sealing washer with it is equipped with the sealing washer fixing base still to overlap between the vibrating motor, first sealing washer fixed set up in the mounting groove of sealing washer fixing base, the sealing washer fixing base with casing fixed connection. According to the electric toothbrush, the waterproof performance is good, and the service life of the electric toothbrush is prolonged.

Description

Electric toothbrush

Technical Field

The application relates to the technical field of articles for daily use, in particular to an electric toothbrush.

Background

The electric toothbrush makes the brush head generate high-frequency vibration through the quick rotation or vibration of the motor core, instantly decomposes the toothpaste into fine foam to deeply clean the slit between the teeth, and simultaneously, the vibration of the brush hair can promote the blood circulation of the oral cavity to have a massage effect on the gum tissue.

Because the electric toothbrush can often touch water when in use, the common electric toothbrush has a waterproof function in order to prevent the electric toothbrush from leaking or being damaged due to water inflow.

In the prior art, in order to avoid the damage caused by the water inlet of the electronic elements such as the battery and the motor assembly inside the toothbrush handle, the waterproof sealing ring is arranged on the transmission rod of the vibration motor and is connected with the shell of the toothbrush handle in a sealing manner, however, the waterproof sealing ring is easy to wear and loose and loses the waterproof effect due to the influence of the vibration of the motor in the toothbrush handle, so that the service life of the electric toothbrush is shortened.

SUMMERY OF THE UTILITY MODEL

The application provides an electric toothbrush, has better waterproof performance, has prolonged electric toothbrush's life.

In order to solve the above problems, the embodiment of the present application provides a technical solution that: an electric toothbrush comprises a toothbrush handle, wherein the toothbrush handle comprises a shell and an inner cavity surrounded by the shell, the inner cavity is provided with an opening, a vibration motor is arranged in the inner cavity, a transmission rod of the vibration motor penetrates through the opening to be connected with a toothbrush head, a first sealing ring is fixedly sleeved on the transmission rod, and the transmission rod is in sealing connection with the inner wall surface of the opening through the first sealing ring; the utility model discloses a vibration motor, including first sealing washer, vibrating motor, first sealing washer, second sealing washer, first sealing washer is located on the transfer line first sealing washer with it is equipped with the sealing washer fixing base still to overlap between the vibrating motor, first sealing washer fixed set up in the mounting groove of sealing washer fixing base, the sealing washer fixing base with casing fixed connection.

According to the electric toothbrush provided by the application, electronic elements such as a battery and a motor component positioned in the toothbrush handle can have better waterproof performance. Specifically, the toothbrush handle comprises a shell and an inner cavity surrounded by the shell, wherein the inner cavity is provided with an opening, a vibration motor is arranged in the inner cavity, a transmission rod of the vibration motor penetrates through the opening to be connected with the toothbrush head, and in order to prevent external water, toothpaste foam and the like from entering the inner cavity of the toothbrush handle through the opening, so that electronic elements such as a battery, a motor component and the like in the toothbrush handle are wetted or damaged due to water entering, and the working performance of the electric toothbrush is affected; however, because the influence that receives the vibrations of shock dynamo, cup joint the very easy wearing and tearing of first sealing washer on the transfer line, not hard up and slide from top to bottom etc. and have the dislocation, it is inseparable to cause first sealing washer and open-ended internal wall to be connected, first sealing washer has lost water-proof effects this moment, in order to avoid the emergence of this kind of condition, this application still overlaps and is equipped with the sealing washer fixing base on the transfer line between first sealing washer and shock dynamo, first sealing washer is fixed to be set up in the mounting groove of sealing washer fixing base, sealing washer fixing base and casing are with indirect mode fixed connection, can realize the fastening connection between first sealing washer and the casing, make first sealing washer avoid the influence of shock dynamo vibrations, can carry out reliable seal to the opening, electric toothbrush's life has been promoted greatly.

The electric toothbrush has the advantages of being simple in waterproof structure, easy to achieve, capable of improving use experience of users, improving market competitiveness of products and beneficial to large-scale popularization and application.

In a possible design, a mounting frame is further fixedly arranged in the inner cavity, and the vibration motor is fixedly mounted on the mounting frame;

the sealing ring fixing seat is characterized in that a first positioning lug is arranged on the peripheral wall of the sealing ring fixing seat and fixedly arranged in a positioning groove formed in the mounting frame.

In one possible design, a limiting block is arranged on the outer side wall of the first sealing ring and inserted into a limiting notch formed in the groove wall of the mounting groove.

In a possible design, one side of the limiting block, which is far away from the mounting groove, is provided with an annular bulge, and the annular bulge covers the peripheral wall.

In a possible design, the mounting bracket includes first support and second support, first support with the butt joint of second support is formed with fixed mesa and cavity, sealing washer fixing base fixed mounting in on the fixed mesa, shock dynamo hold in the cavity.

In a possible design, the first positioning protrusion is in a T-shaped boss shape, the front end portion is inserted into the positioning groove, and the shoulder portion abuts against the fixed table top.

In a possible design, a second positioning bump is further arranged on the peripheral wall, one end of the second positioning bump is abutted against the fixed table board, and the other end of the second positioning bump is abutted against the limiting block.

In one possible design, an outer protrusion is provided on an outer side wall of the first sealing ring, and the outer protrusion abuts against an inner side wall of the housing.

In one possible design, a first inner protrusion and a second inner protrusion are arranged on the inner side wall of the first sealing ring, and the first inner protrusion and the second inner protrusion are respectively abutted against the outer side wall of the transmission rod.

In one possible design, the electric toothbrush further comprises a connecting piece, and the toothbrush head is detachably connected with the toothbrush handle through the connecting piece; the inner cavity is communicated with the connecting piece and the toothbrush handle, and a second sealing ring is sleeved in the connecting piece on the transmission rod.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of the overall structure of the electric toothbrush provided in the embodiment of the present application.

Fig. 2 is a cross-sectional view of a handle of a toothbrush according to an embodiment of the present application.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is a schematic structural view illustrating a first sealing ring of the electric toothbrush according to the embodiment of the present application mounted on a sealing ring holder.

Fig. 5 is an exploded view of the first sealing ring and the sealing ring holder of the electric toothbrush according to the embodiment of the present disclosure.

Reference numerals: 100. a toothbrush head; 110. a cover body; 111. air holes are formed; 200. a connecting member; 210. a transmission rod; 220. a second seal ring; 300. a toothbrush handle; 301. a first key; 302. a second key; 303. a strong vibration mode indicator light; 304. a weak vibration mode indicator light; 305. a whitening mode indicator light; 306. an electric quantity indicator light; 307. a decorative ring; 310. a housing; 320. a first seal ring; 321. an outer protrusion; 322. a first inner protrusion; 323. a second inner protrusion; 324. a limiting block; 325. an annular projection; 330. a sealing ring fixing seat; 331. a peripheral wall; 332. a first positioning bump; 333. mounting grooves; 334. a limiting notch; 335. a second positioning bump; 340. vibrating a motor; 341. a motor body; 342. a binding post; 350. a mounting frame; 351. a positioning groove; 352. a first bracket; 353. a second bracket; 354. fixing the table top; 355. a cavity; 356. bending sections; 400. a charging base; 410. a charging interface; 420. and (6) placing the groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present application, it is to be understood that the terms "inner," "outer," "upper," "bottom," "front," "side," and the like, when used in the orientation or positional relationship indicated in FIG. 1, are based on the orientation or positional relationship shown in FIG. 1, and are used merely for convenience in describing the present application and to simplify the description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

The application provides an electric toothbrush which can be widely applied to oral cleaning, such as places of schools, families, hospitals and other working units; the device can also be widely applied to the tracking measurement and monitoring of the oral health of users in various age groups such as children, teenagers, adults and the like; in addition, the electric toothbrush of the application has good waterproof performance for electronic elements such as batteries and motor components positioned in the toothbrush handle, and the service life of the electric toothbrush is greatly prolonged.

Fig. 1 is a schematic view of the overall structure of an electric toothbrush provided in an embodiment of the present application. Fig. 2 is a cross-sectional view of a handle of a toothbrush according to an embodiment of the present application. Fig. 3 is an enlarged view at a in fig. 2.

As shown in fig. 1, the power toothbrush of the present application includes a head 100, a coupling member 200, and a handle 300, and the head 100 is detachably coupled to the handle 300 through the coupling member 200.

Here, since the electric toothbrush is a consumable in life, the overall shape and the brushing state of the bristles of the toothbrush head are worn and deformed under long-term stress and friction, the brushing effect is gradually weakened, toothpaste, food residue and the like are more or less remained in the bristles during use, and the toothbrush is placed in a wet toilet for a long time, which is beneficial to the growth and reproduction of bacteria. Perhaps the toothbrush has been used for several months with little damage to its exterior, but a certain number of bacteria have been hidden within the bristles, which is detrimental to oral hygiene. If the toothbrush is continuously used, not only the cleaning strength of dental plaque is insufficient, but also mechanical damage is caused to gums, so that a dentist generally recommends that the toothbrush should be replaced for 3-4 months.

By detachably connecting the toothbrush head 100 and the toothbrush handle 300, a user can only replace the toothbrush head when replacing the toothbrush, and keep the toothbrush handle for continuous use, thereby avoiding the waste of resources and saving the economic cost.

As shown in fig. 2 and 3, the toothbrush handle 300 includes a housing 310 and an inner cavity surrounded by the housing 310, the inner cavity has an opening, a vibration motor 340 is disposed in the inner cavity, and a transmission rod 210 of the vibration motor 340 is connected to the toothbrush head 100 through the opening.

Here, the inner cavity of the toothbrush handle 300 has an opening, the vibration motor 340 is disposed in the inner cavity, the transmission rod 210 of the vibration motor 340 is connected with the toothbrush head 100 through the opening, and when a user brushes teeth, water, toothpaste foam, etc. in the oral cavity can easily flow into or permeate into the inner cavity of the toothbrush handle through the opening, so that the vibration motor inside the toothbrush handle is affected by moisture or damage, etc. due to water inflow, which affects the working performance of the electric toothbrush.

As shown in fig. 2 and 3, in order to prevent external water, toothpaste foam, etc. from flowing into or permeating into the inner cavity of the toothbrush handle 300 through the opening of the inner cavity, a first sealing ring 320 is usually fixedly sleeved on the transmission rod 210, and the transmission rod 210 is in sealing connection with the inner wall surface of the opening through the first sealing ring 320, so that the opening can be sealed.

Fig. 4 is a schematic structural view illustrating a first sealing ring of the electric toothbrush according to the embodiment of the present application mounted on a sealing ring holder. Fig. 5 is an exploded view of the first sealing ring and the sealing ring holder of the electric toothbrush according to the embodiment of the present disclosure.

As shown in fig. 2 to 5, a sealing ring fixing seat 330 is further sleeved on the transmission rod 210 between the first sealing ring 320 and the vibration motor 340, the first sealing ring 320 is fixedly disposed in the mounting groove 333 of the sealing ring fixing seat 330, and the sealing ring fixing seat 330 is fixedly connected to the housing 310.

Here, due to the influence of the vibration motor 340, the first sealing ring 320 sleeved on the transmission rod 210 is easily worn, loosened, and slid up and down to cause misalignment, so that the first sealing ring 320 is not tightly connected with the inner wall surface of the opening, and at this time, the first sealing ring 320 loses the waterproof effect. In order to avoid the situation, in the present application, a sealing ring fixing seat 330 is further sleeved on the transmission rod 210 between the first sealing ring 320 and the vibration motor 340, and the sealing ring fixing seat 330 is used for fixing the first sealing ring 320.

Specifically, as shown in fig. 5, a mounting groove 333 is formed in the sealing ring fixing seat 330, the first sealing ring 320 is fixedly arranged in the mounting groove 333 of the sealing ring fixing seat 330, and the sealing ring fixing seat 330 is fixedly connected with the casing 310 in an indirect manner, so that the first sealing ring 320 can be tightly connected with the inner side wall of the casing 310, the first sealing ring 320 is prevented from being affected by the vibration of the vibration motor 340, the opening can be effectively sealed, and the service life of the electric toothbrush is greatly prolonged.

It should be understood that the cavity of the toothbrush handle 300 is not only provided with the vibration motor, but also provided with a battery, a circuit board, and various components on the circuit board, etc., and the cavity of the toothbrush handle 300 and the opening need to be isolated from each other in order for these electrical components to work properly.

Optionally, as shown in fig. 2 to 5, a mounting bracket 350 is further fixedly disposed in the inner cavity, and the vibration motor 340 is fixedly mounted on the mounting bracket 350;

the circumferential wall 331 of the sealing ring fixing seat 330 is provided with a first positioning protrusion 332, and the first positioning protrusion 332 is fixedly arranged in a positioning groove 351 formed in the mounting frame 350.

Here, in order to stably place the vibration motor 340 and electronic components such as a battery, a mounting bracket 350 is further fixedly disposed in the inner cavity, and the vibration motor 340 may be fixedly mounted on the mounting bracket 350.

Meanwhile, in order to realize the fixed connection between the sealing ring fixing seat 330 and the vibration motor 340, a first positioning protrusion 332 is disposed on the circumferential wall 331 of the sealing ring fixing seat 330, a positioning groove 351 is formed on the mounting frame 350, and the first positioning protrusion 332 can be inserted into the positioning groove 351 formed on the mounting frame 350.

Optionally, as shown in fig. 3 to 5, the mounting bracket 350 includes a first bracket 352 and a second bracket 353, the first bracket 352 and the second bracket 353 are butted to form a fixing table 354 and a cavity 355, the sealing ring fixing seat 330 is fixedly mounted on the fixing table 354, and the vibration motor 340 is accommodated in the cavity 355.

Optionally, as shown in fig. 4 and 5, the vibration motor 340 includes a motor body 341 and a terminal 342, wherein the terminal 342 is disposed at the bottom of the motor body 341, and the width of the terminal 342 is smaller than that of the motor body 341, for more stably mounting the vibration motor 340, the first bracket 353 is provided with a bent section 356 at a connection position between the motor body 341 and the terminal 342, so as to perform space-isolated fastening mounting on the vibration motor 340, thereby ensuring the mounting tightness of the vibration motor 340.

Optionally, as shown in fig. 4 and 5, a limiting block 324 is disposed on an outer side wall of the first sealing ring 320, and the limiting block 324 is inserted into a limiting notch 334 formed in a groove wall of the mounting groove 333.

Here, when the first sealing ring 320 is fixedly disposed in the mounting groove 333 of the sealing ring fixing seat 330, due to the vibration effect of the vibration motor 340, the transmission rod 210 is likely to drive the first sealing ring 320 to rotate or slide to generate displacement, so that the first sealing ring 320 cannot be fixedly disposed in the mounting groove 333 of the sealing ring fixing seat 330, in order to ensure that the first sealing ring 320 can be fixedly disposed in the mounting groove 333 of the sealing ring fixing seat 330, the outer side wall of the first sealing ring 320 may be provided with a limit block 324, a limit notch 334 is formed on the groove wall of the mounting groove 333, and the limit block 324 is inserted into the limit notch 334 formed on the groove wall of the mounting groove 333, so that the first sealing ring 320 can be prevented from rotating or sliding to be fixedly disposed in the mounting groove 333.

Alternatively, in other embodiments, the positions of the limiting block 324 and the limiting notch 334 can be changed, that is, the limiting notch 334 can be disposed on the side wall of the first sealing ring 320, and the limiting block 324 can be disposed on the peripheral wall 331 of the sealing ring fixing seat 330, which is not limited in this application.

In the embodiment of the present application, the number of the limiting blocks 324 may be multiple, for example, 2, 3, or 4. In addition, the position of the limiting block 324 is not limited in the present application. For example, the 2 stoppers 324 may be disposed opposite to each other or may be disposed adjacent to each other.

Further, as shown in fig. 4 and 5, an annular protrusion 325 is disposed on a side of the limiting block 324 away from the mounting groove 333, and the annular protrusion 325 covers the peripheral wall 331.

In order to prevent the first sealing ring 320 and the sealing ring fixing seat 330 from being loosened, in the embodiment of the present application, an annular protrusion 325 is disposed on a side of the limiting block 324 away from the mounting groove 333, and after the limiting block 324 is inserted into the limiting notch 334, the annular protrusion 325 covers the peripheral wall 331, so that the first sealing ring 320 and the sealing ring fixing seat 330 can be always securely fastened.

Optionally, as shown in fig. 4, the first positioning protrusion 332 is shaped like a T-shaped boss, the front end portion of the first positioning protrusion is inserted into the positioning groove 351, and the shoulder portion of the first positioning protrusion abuts against the fixing table 354, so that the sealing ring fixing seat 330 can be accurately engaged with the mounting frame 350.

Optionally, as shown in fig. 4 and 5, in order to enhance the reliable connection between the sealing ring fixing seat 330 and the mounting frame 350 and the first sealing ring 320, a second positioning protrusion 335 is further disposed on the circumferential wall 331 of the sealing ring fixing seat 330, one end of the second positioning protrusion 335 abuts against the fixing table 354, and the other end abuts against the limiting block 324, so that when the first sealing ring 320 is fixedly mounted in the mounting groove 333 of the sealing ring fixing seat 330, the first sealing ring 320 located above the sealing ring fixing seat 330 can also indirectly reinforce the connection between the sealing ring fixing seat 330 and the mounting frame 350.

In this embodiment, the second positioning protrusion 335 may be square, one end of the second positioning protrusion is only abutted to the fixed platform 354, and the mounting bracket 350 may not be provided with a mounting groove corresponding to the second positioning protrusion 335. In addition, the second positioning protrusion 335 may also have the same shape as the first positioning protrusion 332, and the second positioning protrusion 335 is fixedly disposed in another positioning groove formed on the mounting block 350, which is not limited in this application.

Optionally, as shown in fig. 3, an outer protrusion 321 is disposed on an outer side wall of the first sealing ring 320, and the outer protrusion 321 abuts against an inner side wall of the housing 310, so that a gap is prevented from being formed between the outer side wall of the first sealing ring 320 and an inner wall surface of the opening, relative movement is easily generated, and impurities such as external liquid, dust, toothpaste foam and the like can be prevented from entering the inner cavity of the toothbrush handle 300 through the gap.

Optionally, as shown in fig. 3, in order to further enhance the reliable connection between the first sealing ring 320 and the transmission rod 210 and the dustproof and waterproof functions of the first sealing ring 320, a first inner protrusion 322 and a second inner protrusion 323 may be further disposed on the inner sidewall of the first sealing ring 320, and the first inner protrusion 322 and the second inner protrusion 323 are disposed at an interval from top to bottom and respectively abut against the outer sidewall of the transmission rod 210.

In the embodiment of the present application, the number of the inner protrusions may be 2, or may also be 1 or 3, and the like, which is not limited in the present application.

Alternatively, as shown in fig. 2, the connecting member 200 is a hollow structure, and the inner cavity of the toothbrush handle 300 is communicated with the connecting member 200 and the toothbrush handle 300, and a second sealing ring 220 is sleeved on the transmission rod 210 inside the connecting member 200.

Here, when the transmission rod 210 of the vibration motor 340 passes through the opening to be connected with the toothbrush head 100, a gap exists between the toothbrush head 100 and the connecting member 200, and the inner cavity of the toothbrush handle 300 is communicated with the connecting member 200 and the toothbrush handle 300, and when a user uses the electric toothbrush to brush teeth, impurities such as water, toothpaste foam and the like may enter the hollow structure of the connecting member 200, and then may permeate the inner cavity of the toothbrush handle 300, so that the second sealing ring 220 may be sleeved inside the connecting member 200 on the transmission rod 210, and further, the impurities such as external liquid, dust, toothpaste foam and the like are prevented from entering the inside of the toothbrush handle 300.

In the embodiment of the present application, the first sealing ring 320 and the second sealing ring 220 may be made of rubber, plastic, or other elastic materials, which is not limited in the present application.

Optionally, as shown in fig. 1, a first button 301 and a second button 302 are disposed on the toothbrush handle 300, wherein the first button 301 can be used to control the on/off of the electric toothbrush, and the second button 302 can be used to adjust the vibration mode of the electric toothbrush.

Optionally, as shown in fig. 1, a strong vibration mode indicator 303, a weak vibration mode indicator 304 and a whitening mode indicator 305 are disposed on the toothbrush handle 300 to display the vibration mode of the electric toothbrush, so that the user can conveniently view and flexibly switch the modes according to the actual use experience.

In addition, still be provided with electric quantity pilot lamp 306 on the toothbrush handle 300, convenience of customers observes the information of electric toothbrush battery power, reminds the user in time to charge.

Optionally, anti-slip stripes or a sticking slip stopper may be disposed on the outer wall of the toothbrush handle 300, so that the frictional resistance between the hand of the user and the toothbrush handle 300 may be increased when the user holds the toothbrush handle 300, the user can firmly grip the toothbrush handle 300, and the electric toothbrush is prevented from slipping from the hand and being damaged.

Alternatively, the shape of the anti-slip threads may be a toothed corrugation, a thread, or the like, which is not limited in this application.

Optionally, as shown in fig. 1, a cover 110 is movably sleeved outside the bristles of the toothbrush head 100, an opening is formed at one end of the cover 110, an accommodating space (not shown) is formed inwards, and the bristles and the bristle mounting seat of the toothbrush head 100 are accommodated in the accommodating space. Thus, when the electric toothbrush is not in use, the cover body 110 can prevent foreign matters such as external dust from falling on the bristles, or prevent the bristles from touching other objects to be polluted, which is not beneficial to next use.

When it is desired to use the powered toothbrush, the cover 110 may be removed from the top of the bristles and bristle mount of the toothbrush head 100.

Optionally, as shown in fig. 1, the cover 110 is provided with a plurality of ventilation holes 111.

The moisture on the bristles of the toothbrush head 100 can be quickly evaporated through the air holes 111, so that the bristles are prevented from breeding bacteria due to the residual liquid after the toothbrush is finished, the cleanness and the sanitation of the bristles are guaranteed, and the toothbrush head is beneficial to subsequent use.

Alternatively, as shown in fig. 1, the bottom of the toothbrush handle 300 is provided with a finishing ring 307,

specifically, in the embodiment of the present application, the decoration ring 307 may be a reflective ring with different colors, or a light-transmitting ring with a flash lamp, so that the aesthetic property and the visual effect of the electric toothbrush can be further improved.

In this application, the electric toothbrush includes a controller provided inside the toothbrush handle 300 to be electrically connected to the vibration motor 340 for driving the toothbrush head 100 to vibrate, and the controller may control the operation of the vibration motor 340.

Alternatively, the controller may be a Micro Controller Unit (MCU).

The wireless charging technology is widely applied to various mobile terminals such as smart watches, smart bracelets, mobile phones, tablet computers and electric toothbrushes, and mobile terminals with a wireless charging function are increasingly popularized in life.

The electric toothbrush that this application embodiment provided still has the wireless function of charging, can carry out wireless charging to toothbrush handle 300, can save the charging wire that the wiring charges and avoid the wiring potential safety hazard that charges the existence, and wireless charging has higher efficiency and better flexibility simultaneously, also can guarantee the security of charging, has greatly made things convenient for electric toothbrush's use convenience, has improved user experience.

Optionally, as shown in fig. 1, the electric toothbrush of the present application further comprises a charging base 400. A wireless charger (not shown) is disposed in the charging base 400, and a wireless charging module and a storage battery are correspondingly disposed in the toothbrush handle 300.

The wireless charger comprises a primary coil and a controller, wherein the primary coil is electrically connected with the controller; the wireless charging module comprises a secondary coil and an electric energy control module; the primary coil is disposed in the charging base and the secondary coil is disposed in the toothbrush handle 300.

In the embodiment of the present application, the secondary coil may be disposed at the rear portion of the toothbrush handle 300, and may also be disposed at a middle portion of the toothbrush handle 300, and the present application is not limited to the disposition position of the secondary coil.

As shown in fig. 1, the charging base 400 is provided with a placement groove 420 for placing the toothbrush handle 300 therein, when the toothbrush handle 300 is placed in the placement groove 420, the controller of the electric toothbrush may control the primary coil to be powered on, the secondary coil located in the toothbrush handle 300 is used to induce the alternating magnetic field generated by the primary coil to generate an induced alternating current, and the power control module is used to convert the induced alternating current into a direct current and charge the battery, thereby realizing the charging of the toothbrush handle 300.

In addition, when the charging base 400 is in an operating state, the toothbrush handle 300 can be automatically powered off after being fully charged.

Optionally, as shown in fig. 1, a charging interface 410 is further disposed on the charging base 400, and an external power source can supply power to the charging base 400 through the charging interface 410 to continuously store power for the charging base 400, so that the charging base 400 can be reused.

Alternatively, the charging interface 410 may be various types of Universal Serial Bus (USB) interfaces, such as a type-a (type-a) interface, a type-B (type-B) interface, a type-C (type-C) interface, a micro USB interface, a new USB interface in the future, and the like. The charging interface 410 may be another type of interface such as a lightning (lightning) interface, and the type of the charging interface 410 is not limited in the present application.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. An electric toothbrush, comprising: a toothbrush handle (300), said toothbrush handle (300) comprising a housing (310) and an interior cavity enclosed by said housing (310), said interior cavity having an opening,

a vibration motor (340) is arranged in the inner cavity, a transmission rod (210) of the vibration motor (340) penetrates through the opening to be connected with the toothbrush head (100), a first sealing ring (320) is fixedly sleeved on the transmission rod (210), and the transmission rod (210) is connected with the inner wall surface of the opening in a sealing mode through the first sealing ring (320);

the utility model discloses a vibration damping device, including the casing (310), be located on transfer line (210) first sealing washer (320) with still the cover is equipped with sealing washer fixing base (330) between shock dynamo (340), first sealing washer (320) fixed set up in mounting groove (333) of sealing washer fixing base (330), sealing washer fixing base (330) with casing (310) fixed connection.

2. The electric toothbrush according to claim 1, wherein a mounting bracket (350) is further fixedly arranged in the inner cavity, and the vibrating motor (340) is fixedly mounted on the mounting bracket (350);

the sealing ring fixing seat is characterized in that a first positioning lug (332) is arranged on the peripheral wall (331) of the sealing ring fixing seat (330), and the first positioning lug (332) is fixedly arranged in a positioning groove (351) formed in the mounting frame (350).

3. The electric toothbrush according to claim 2, wherein a limit block (324) is disposed on an outer side wall of the first sealing ring (320), and the limit block (324) is inserted into a limit notch (334) formed on a groove wall of the mounting groove (333).

4. The electric toothbrush according to claim 3, wherein an annular protrusion (325) is disposed on a side of the stopper (324) away from the mounting groove (333), and the annular protrusion (325) is covered on the peripheral wall (331).

5. The electric toothbrush according to claim 3, wherein the mounting bracket (350) comprises a first bracket (352) and a second bracket (353), the first bracket (352) and the second bracket (353) are butted to form a fixing table (354) and a cavity (355), the sealing ring fixing seat (330) is fixedly arranged on the fixing table (354), and the vibrating motor (340) is accommodated in the cavity (355).

6. The electric toothbrush according to claim 5, wherein the first positioning projection (332) is in the form of a T-shaped boss, a front end portion thereof is inserted into the positioning groove (351), and a shoulder portion thereof abuts on the fixed surface (354).

7. The electric toothbrush according to claim 6, wherein the peripheral wall (331) is further provided with a second positioning protrusion (335), one end of the second positioning protrusion (335) abuts against the fixed table surface (354), and the other end abuts against the stopper (324).

8. The electric toothbrush according to any one of claims 1 to 7, wherein an outer protrusion (321) is provided on an outer side wall of the first sealing ring (320), and the outer protrusion (321) abuts against an inner side wall of the housing (310).

9. The electric toothbrush according to any one of claims 1 to 7, wherein the first sealing ring (320) is provided with a first inner protrusion (322) and a second inner protrusion (323) on the inner side wall, and the first inner protrusion (322) and the second inner protrusion (323) are respectively abutted on the outer side wall of the transmission rod (210).

10. The electric toothbrush according to any one of claims 1 to 7, further comprising a connector (200), wherein the toothbrush head (100) is detachably connected to the toothbrush handle (300) through the connector (200); the inner cavity is communicated with the connecting piece (200) and the toothbrush handle (300), and a second sealing ring (220) is sleeved in the transmission rod (210) positioned in the connecting piece (200).

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