CN209966624U

CN209966624U - Electric tooth brush

Info

Publication number: CN209966624U
Application number: CN201920448588.5U
Authority: CN
Inventors: 方峰
Original assignee: Shanghai Sheng Shimeian Industry Co Ltd
Current assignee: Shanghai Sheng Shimeian Industry Co Ltd
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-01-21
Anticipated expiration: 2029-04-03

Abstract

The utility model provides an electric toothbrush, including toothbrush head and toothbrush handle, the toothbrush handle includes shell, circuit board, vibrating motor, transfer line and dead lever, the dead lever with the shell is fixed, the transfer line with vibrating motor passes through the coupling joint, the transfer line inserts in the dead lever, the dead lever inserts in the toothbrush head, the coupling is including being used for connecting the transfer line and the coupling portion of vibrating motor's axle, by the outside extension of the outside of coupling portion connecting portion, by connecting portion to the axle collar portion that the vibrating motor direction extends, be equipped with bearing portion in the shell, the coupling is arranged in the bearing portion, and the tip of bearing portion will the axle collar portion compresses tightly on the vibrating motor. The utility model has more stable vibration and more comfortable tooth brushing.

Description

Electric tooth brush

Technical Field

The utility model relates to an electric toothbrush.

Background

Toothbrushes are common articles in people's daily life. With the continuous development of technology, electric toothbrushes have become the mainstream. The existing electric toothbrush is not smooth enough when vibrating, so it is not comfortable enough when brushing teeth.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for an electric toothbrush that vibrates more smoothly and is more comfortable to brush.

The utility model provides an electric toothbrush, including toothbrush head and toothbrush handle, the toothbrush handle includes shell, circuit board, vibrating motor, transfer line and dead lever, the dead lever with the shell is fixed, the transfer line with vibrating motor passes through the coupling joint, the transfer line inserts in the dead lever, the dead lever inserts in the toothbrush head, the coupling is including being used for connecting the transfer line and the coupling portion of vibrating motor's axle, by the outside extension of the outside of coupling portion connecting portion, by connecting portion to the axle collar portion that the vibrating motor direction extends, be equipped with bearing portion in the shell, the coupling is arranged in the bearing portion, and the tip of bearing portion will the axle collar portion compresses tightly on the vibrating motor.

Furthermore, be equipped with first card portion of holding on the toothbrush head, be equipped with on the dead lever with the second card portion of holding that first card portion of holding corresponds is held, first card portion of holding with second card portion of holding joint.

Further, integrated into one piece's mounting bracket has in the shell, the mounting bracket includes the main part, the inside battery jar that is of main part, the bottom extension of main part has first buckle and second buckle, first buckle chucking has the base, the second buckle joint is in the draw-in groove of shell.

Further, the bottom of main part has still extended the subassembly installation storehouse that charges, be equipped with the subassembly that charges in the subassembly installation storehouse that charges.

Further, the base extends and is formed with the clamp plate, the lateral surface in subassembly installation storehouse that charges extends and has annular fin, annular fin supports and holds the medial surface of clamp plate, so that the clamp plate compresses tightly the second buckle.

Furthermore, the main body part extends towards one side and is provided with a plurality of third buckles, and the third buckles press the circuit board on the mounting frame.

Further, the mounting bracket is still including being located the motor installing frame at main part top, the motor is installed to the motor installing frame, the circuit board extends to motor installing frame department, vibrating motor's pin stretches out behind the motor installing frame with contact on the circuit board.

Furthermore, a first inserting structure is formed on the side edge of the main body part, a second inserting structure corresponding to the first inserting structure is formed on the inner side of the shell, and the first inserting structure is inserted into the second inserting structure.

Compared with the prior art, the utility model discloses a special shaft coupling design, including being used for connecting the transfer line and the coupling portion of vibrating motor's axle, by the outside of coupling portion to the connecting portion that extend outward, by connecting portion to the axle collar portion that the vibrating motor direction extends, when the vibration, vibrating motor vibration output can more steadily transmit for the transfer line, lets the toothbrush head vibration more steady, and it is more comfortable to brush teeth.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic structural diagram of the mounting frame of the present invention.

Fig. 3 is a partial cross-sectional view of the present invention at a bottom end position.

Fig. 4 is a partial cross-sectional view of the present invention at a top end position.

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

It should be further noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in FIG. 1, the present invention provides an electric toothbrush 100, which electric toothbrush 100 can be used for brushing the teeth of children. Specifically, the electric toothbrush 100 includes a brush head 10 and a toothbrush handle 20, and the brush head 10 is detachably mounted on the toothbrush handle 20.

Toothbrush head 10 includes columnar connecting portion 11 and toothbrush hair installation department 12, connecting portion 11 is hollow structure.

As shown in fig. 2 to 4, the toothbrush handle 20 includes a housing 21, a base 22, a mounting bracket 23, a circuit board 24, a battery 25, a vibration motor 26, a transmission rod 27, and a fixing rod 28. The mounting frame 23 is integrally formed, and includes a main body 231, a motor mounting frame 232, and a charging assembly mounting compartment 233.

The inside of main part 231 is the battery jar, installs battery 25 in the battery jar, motor installing frame 232 is located the top of main part 231 is close to toothbrush head 10, vibrating motor 26 is fixed in the motor installing frame 232, charging assembly installing bin 233 is located the bottom of main part 231 keeps away from toothbrush head 10, be equipped with charging assembly 29 in the charging assembly installing bin 231.

First buckles 2311 and second buckles 2312 extend from the bottom end of the main body 231, the number of the first buckles 2311 and the number of the second buckles 2312 can be two, the first buckles 2311 and the second buckles 2312 are arranged at intervals, the two first buckles 2311 are arranged oppositely, and the two second buckles 2312 are arranged oppositely. A first locking groove (not shown) is formed on the base 22, and the first buckle 2311 is locked in the first locking groove so that the base 22 and the mounting frame 23 are fixed. A second locking groove 211 is formed in the inner side wall of the housing 21, and the second buckle 2312 is locked in the second locking groove 211, so that the mounting frame 23 is fixed in the housing 10.

The pressing plates 221 extend from the top end of the base 22, the number of the pressing plates 221 is equal to that of the second fasteners 2312, the number of the pressing plates 221 corresponds to that of the second fasteners 2312, the outer side surface of the charging component mounting bin 233 extends to form annular ribs 2331, the number of the annular ribs 2331 can be one or multiple and arranged at intervals, and the annular ribs 2331 can not only improve the strength of the charging component mounting bin 233, but also support against the inner side surface of the pressing plates 221, so that the pressing plates 221 are pressed against the corresponding second fasteners 2312, and the second fasteners 2312 are clamped with the second clamping grooves 211 more firmly.

The body 231 is laterally extended with a plurality of third fasteners 2313, and the number of the third fasteners 2313 may be more than three. A third engaging groove 241 is formed at a corresponding position on the circuit board 24, and the third engaging buckle 2313 is correspondingly engaged with the third engaging groove 241, so that the circuit board 24 is pressed on the mounting frame 23. The circuit board 24 is preferably a rigid circuit board. When the circuit board 24 is clamped on the mounting frame 23, the circuit board 24 extends toward the motor mounting frame 232 so that the pins of the vibration motor extend out of the guide holes 2321 on the motor mounting frame 232 and then contact the contacts on the circuit board 24.

On the other side of the body 231, a first plug-in structure 2314 may be provided, and on the inner side wall of the housing 21, a second plug-in structure (not shown) corresponding to the first plug-in structure 2314 may be formed, the first plug-in structure being plugged into the second plug-in structure 2314, thereby further fixing the mounting bracket 23 in the housing 10. The first plugging structure 2314 may be a plug board and the second plugging structure may be a slot, or the first plugging structure 2314 may be a slot and the second plugging structure may be a plug board.

The fixing rod 28 is fixed to the housing 21, a shaft of the vibration motor 26 is connected to the driving rod 27 through a coupling 30, the driving rod 27 is inserted into the fixing rod 28, and the fixing rod 28 is inserted into the connecting portion 11. Specifically, a bearing portion 212 is provided in the housing 21, and the coupling 30 is provided in the bearing portion 212. The shaft coupling 30 includes the coupling portion 31 that is used for connecting the transfer line 27 and the axle of vibrating motor 26, by the outside lateral surface of coupling portion 31 outwards extends connecting portion 32, by connecting portion 32 to the collar portion 33 that the vibrating motor 26 direction extends, wherein, collar portion 33 keeps away from the one end of connecting portion 32 is formed with clamping ring 331, the tip of bearing portion 21 will clamping ring 331 is in on the vibrating motor 26. When the vibration motor 26 vibrates, the vibration output of the vibration motor 26 can be transmitted to the transmission rod 27 more stably through the coupler 30, so that the toothbrush head 10 vibrates more stably and the toothbrush is more comfortable to brush teeth, the vibration of the shell 21 directly caused by the vibration motor 26 can be reduced, the vibration at the toothbrush handle 20 is weakened, and the toothbrush is more comfortable to hold.

Throughout the description and claims of this application, the words "comprise/comprises" and the words "have/includes" and variations of these are used to specify the presence of stated features, values, steps or components but do not preclude the presence or addition of one or more other features, values, steps, components or groups thereof.

Some features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, certain features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the present invention.

Claims

1. The utility model provides an electric toothbrush, includes toothbrush head and toothbrush handle, the toothbrush handle includes shell, circuit board, vibrating motor, transfer line and dead lever, the dead lever with the shell is fixed, the transfer line with vibrating motor passes through the coupling joint, the transfer line inserts in the dead lever, the dead lever inserts in the toothbrush head, a serial communication port, the coupling is including being used for connecting the transfer line and the coupling portion of vibrating motor's axle, by the outside connecting portion that extends of coupling portion, by connecting portion to the axle collar portion that the vibrating motor direction extends, be equipped with the bearing portion in the shell, the coupling is arranged in the bearing portion, and the tip of bearing portion will the axle collar portion compresses tightly on the vibrating motor.

2. The electric toothbrush according to claim 1, wherein the toothbrush head is provided with a first clamping portion, the fixing rod is provided with a second clamping portion corresponding to the first clamping portion, and the first clamping portion is clamped with the second clamping portion.

3. The electric toothbrush according to claim 1, wherein the housing has an integrally formed mounting bracket therein, the mounting bracket comprises a main body portion, a battery jar is arranged in the main body portion, a first buckle and a second buckle extend from a bottom end of the main body portion, the first buckle is clamped with a base, and the second buckle is clamped in a clamping groove of the housing.

4. The electric toothbrush according to claim 3, wherein a charging assembly mounting chamber further extends from the bottom end of the main body, and a charging assembly is disposed in the charging assembly mounting chamber.

5. The electric toothbrush according to claim 4, wherein the base extends to form a pressing plate, an annular rib extends from an outer side surface of the charging assembly mounting bin, and the annular rib abuts against an inner side surface of the pressing plate, so that the pressing plate presses the second buckle.

6. The powered toothbrush as defined in claim 3, wherein the body portion has a plurality of third tabs extending laterally therefrom, the third tabs compressing the circuit board against the mounting bracket.

7. The electric toothbrush of claim 6, wherein the mounting frame further comprises a motor mounting frame located at the top of the main body, the motor mounting frame is provided with a motor, the circuit board extends to the motor mounting frame, and the pins of the vibration motor extend out of the motor mounting frame and then contact the contacts on the circuit board.

8. The electric toothbrush according to claim 3, wherein a first insertion structure is formed at a side of the body part, and a second insertion structure corresponding to the first insertion structure is formed at an inner side of the housing, the first insertion structure being inserted into the second insertion structure.