CN214049182U

CN214049182U - Electric toothbrush with small vibration of brush handle

Info

Publication number: CN214049182U
Application number: CN202022848481.5U
Authority: CN
Inventors: 何少敏
Original assignee: Wenzhou Lebang Optoelectronics Technology Co ltd
Current assignee: Wenzhou Lebang Optoelectronics Technology Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-08-27
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses an electric toothbrush with small brush handle vibration, which comprises a shell, a brush handle and a brush head, wherein a motor component is arranged in the shell, the motor component comprises a motor, a power supply device and a button for controlling the motor to be turned on or turned off, the power supply device is electrically connected with the button, and the button controls the motor to be turned on through a control panel; the brush handle is arranged between the brush head assembly and the shell; a buffer connecting piece is arranged between the brush handle and the brush head component; a transmission shaft is arranged in the brush handle, one end of the transmission shaft extends into the shell to be in transmission connection with an output shaft of the motor, and the other end of the transmission shaft penetrates through the buffer connecting piece to extend into the brush head assembly; the transmission shaft is provided with a cam at one end extending into the brush head assembly, and the cam rotates in the brush head assembly. The utility model discloses change traditional brush head and brush holder body coupling, connect brush head and brush holder with the buffering connecting piece and both can reduce the vibration effect of brush holder, can improve energy utilization again, be fit for using widely.

Description

Electric toothbrush with small vibration of brush handle

Technical Field

The utility model relates to an electric toothbrush, concretely relates to electric toothbrush that brush handle vibration is little.

Background

The most common appliance for washing teeth is a Toothbrush (Toothbrush), which is a tool for brushing teeth with toothpaste for the health, management and hygiene of the teeth. The toothbrush includes: a main body forming a rod shape; and a brush in which a fine hair member is densely implanted in a cleaning body formed at one end of the main body.

Generally, a toothbrush is used to remove foreign substances such as food or tartar stuck on teeth, and a user removes the foreign substances by using movement of a wrist or an arm after holding a handle portion of the toothbrush.

However, in the case of brushing teeth by directly moving the wrist or arm by the user in the above manner, there is inconvenience due to the strength of the wrist or arm, and the force of moving the toothbrush is not constant, so that there are cases where a wound occurs in the gum or the oral cavity, and in the prior art, an electrically driven toothbrush is developed for convenience of use, but the electrically driven toothbrush head vibrates to drive the brush handle to vibrate, which affects the holding effect of the user, and the vibration to drive the brush handle counteracts part of the energy, so that the electrical efficiency of the battery is lowered.

Therefore, it is an urgent need to solve the problem of the art to provide an electric toothbrush capable of reducing the vibration of the brush handle and improving the power efficiency of the battery.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an electric toothbrush that brush handle vibration effect is little can reduce the brush holder vibration, improves holding of handheld electric toothbrush brush handle and takes the effect, also can reduce the energy loss of brush handle and the first body coupling vibration of brush, improves energy utilization.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric toothbrush with small brush handle vibration comprises a shell, a brush handle and a brush head assembly, wherein a motor assembly is arranged in the shell, the motor assembly comprises a motor, a power supply device and a button for controlling a motor switch, the power supply device is electrically connected with the button, and the button controls the motor to be started through a control panel; the brush handle is arranged between the brush head assembly and the shell; a buffer connecting piece is arranged between the brush handle and the brush head assembly, and the buffer connecting piece is of a sleeve structure; and the two ends of the buffer connecting piece are respectively clamped with the brush holder and one end part of the brush head assembly; a transmission shaft is arranged in the brush handle, one end of the transmission shaft extends into the shell to be in transmission connection with an output shaft of the motor, and the other end of the transmission shaft penetrates through the buffer connecting piece to extend into the brush head assembly; the end part of one end of the transmission shaft, which extends into the brush head assembly, is provided with a cam, and the cam rotates in the brush head assembly.

The utility model has the advantages that: the brush holder of the traditional electric toothbrush is disconnected with the brush head and is connected with the buffering connecting piece, so that the energy loss of the brush head driving the brush holder to vibrate is reduced, and the holding effect of holding the brush holder is also improved.

Preferably, the brush head assembly comprises a brush head, a first connecting piece and a connecting seat sleeve which are sequentially connected towards the installation direction of the brush handle, one end of the first connecting piece is embedded into the brush head, and the other end of the first connecting piece is fixedly connected with the connecting seat sleeve; the other end of the connecting seat sleeve is sleeved with the buffering connecting piece, one end of the cam extends into the connecting seat sleeve, a gap is reserved between the side wall of one end of the cam revolution surface and the inner wall of the connecting seat sleeve, the cam revolves in the connecting seat sleeve, and a gap is reserved between one end of the cam perpendicular to the revolution surface and one end of the first connecting piece. The normal rotary motion of the cam is ensured.

Preferably, the first connecting piece is of an L-shaped structure, a clamping groove is reserved in the brush head, and a rod section of the first connecting piece is embedded into the reserved clamping groove and is fixedly connected with the brush head.

Preferably, the buffer connecting piece is made of any one of TPE (thermoplastic elastomer) and TPR (thermoplastic rubber).

Preferably, the cam is a cylindrical cam.

Preferably, power supply unit includes battery and charging plug, the battery is installed just electricity connection motor and button in the casing, the charging plug electricity is connected the battery is just located the casing bottom, the casing bottom corresponds the waterproof stopper of charging plug position installation.

Preferably, still include display screen and display screen circuit board, casing one side is equipped with the installing port, the display screen is installed in the installing port, just waterproof transparency is laid on the screen face of display screen, the display screen with equal electricity of display screen circuit board and power supply unit is connected.

Preferably, toothbrush covers are arranged on the peripheries of the toothbrush handle and the toothbrush head and are sleeved at the end part of one end of the shell.

Drawings

FIG. 1 is an overall structure view of an electric toothbrush with a small vibration of the brush handle;

FIG. 2 is an overall assembly view of the electric toothbrush with a small vibration of the brush handle;

fig. 3 is an assembly view of the brush handle and the brush head of the electric toothbrush with small vibration of the brush handle.

The toothbrush comprises a shell 1, a brush handle 2, a brush head assembly 3, a brush head 301, a first connecting piece 302, a connecting seat sleeve 303, a transmission shaft 4, a buffering connecting piece 5, a cam 6, a toothbrush cover 7, a mounting opening 8, a key 9 and a display screen 10.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3 of the present invention, an electric toothbrush with a small brush handle vibration according to an embodiment of the present invention comprises a housing 1, a brush handle 2 and a brush head assembly 3, wherein a motor assembly is arranged in the housing 1, the motor assembly comprises a motor, a power supply device and a button 9 for controlling a motor switch, the power supply device is electrically connected with the button 9, and the button 9 controls the motor to start through a control panel; the brush handle 2 is arranged between the brush head component 3 and the shell 1; a buffer connecting piece 5 is arranged between the brush handle 2 and the brush head component 3, and the buffer connecting piece 5 is of a sleeve structure; two ends of the buffer connecting piece 5 are respectively clamped with the brush holder 2 and one end part of the brush head component 3; a transmission shaft 4 is arranged in the brush handle 2, one end of the transmission shaft 4 extends into the shell to be in transmission connection with an output shaft of the motor, and the other end of the transmission shaft 4 penetrates through the buffer connecting piece 5 to extend into the brush head component 3; the end part of the transmission shaft 4, which extends into the brush head assembly, is provided with a cam 6, and the cam rotates in the brush head assembly.

In other embodiments, the brush head assembly 3 comprises a brush head 301, a first connecting piece 302 and a connecting seat sleeve 303 which are connected in sequence towards the installation direction of the brush handle 2, one end of the first connecting piece 302 is embedded in the brush head 301, and the other end is fixedly connected with the connecting seat sleeve 303; the other end of the connecting seat sleeve 303 is sleeved with the buffer connecting piece 5, one end of the cam 6 extends into the connecting seat sleeve 303, a gap is formed between the side wall of one side of the rotating surface of the cam 6 and the inner wall of the connecting seat sleeve, and a gap is reserved between one end, perpendicular to the rotating surface, of the cam 6 and the end part of one end of the first connecting piece 302. The normal rotary motion of the cam is ensured.

In other embodiments, the first connecting element 302 is an L-shaped structure, a slot is reserved in the bristle 301, and a rod segment of the first connecting element 302 is embedded in the reserved slot and is fixedly connected with the bristle.

In other embodiments, the buffer connecting member 5 is made of PP. So that the buffer connecting piece has the effect of buffering vibration.

Specifically, the cam 6 is a cylindrical cam.

In other embodiments, the power supply device comprises a battery and a charging plug, the battery is arranged in the casing 1 and is electrically connected with the motor and the switch key 9, the charging plug is electrically connected with the battery and is positioned at the bottom end of the casing 1, and the bottom end of the casing is provided with a waterproof plug corresponding to the position of the charging plug. Avoid charging plug to intake.

In some embodiments, the display device further comprises a display screen 10 and a display screen circuit board, wherein a mounting opening 8 is formed in one side of the shell 1, the display screen 10 is mounted in the mounting opening 8, a waterproof transparent sheet is laid on the screen surface of the display screen 10 to increase the waterproof effect, and the display screen is electrically connected with the display screen circuit board and the power supply device.

In other embodiments, the toothbrush cover 7 is disposed around the brush handle 2 and the brush head assembly 3, and the toothbrush cover 7 is sleeved on one end of the housing 1.

The utility model discloses simple structure, convenient to use sets up the buffering connecting piece and avoids the brush holder to be connected with brush head subassembly integral type, both can reduce the operating time limit that partial energy loss improves the battery, can reduce the vibration effect of brush head again for the comfortable sensation of holding when brushing teeth.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electric toothbrush with small brush handle vibration is characterized by comprising a shell (1), a brush handle (2) and a brush head assembly (3), wherein a motor assembly is arranged in the shell (1), the motor assembly comprises a motor, a power supply device and a button (9) for controlling a motor switch, the power supply device is electrically connected with the button, and the button controls the motor to be started through a control panel; the brush handle (2) is arranged between the brush head component (3) and the shell (1); a buffer connecting piece (5) is arranged between the brush handle (2) and the brush head component (3), and the buffer connecting piece (5) is of a sleeve structure; two ends of the buffer connecting piece (5) are respectively clamped with the brush holder and one end part of the brush head assembly; a transmission shaft (4) is arranged in the brush handle, one end of the transmission shaft extends into the shell to be in transmission connection with an output shaft of the motor, and the other end of the transmission shaft penetrates through the buffer connecting piece (5) to extend into the brush head assembly (3); the end part of one end, extending into the brush head assembly, of the transmission shaft (4) is provided with a cam (6), and the cam (6) rotates in the brush head assembly (3).

2. An electric toothbrush with a small vibration of handle as claimed in claim 1, wherein the brush head assembly (3) comprises a brush head (301), a first connecting member (302) and a connecting sleeve (303) connected in sequence towards the mounting direction of the brush handle (2), one end of the first connecting member (302) is embedded in the brush head (301), and the other end is fixedly connected with the connecting sleeve (303); the other end of the connecting seat sleeve (303) is sleeved with the buffer connecting piece (5), one end of the cam (6) extends into the connecting seat sleeve (303), a gap is reserved between the side wall of one end of the cam revolution surface and the inner wall of the connecting seat sleeve, and a gap is reserved between one end of the cam (6) perpendicular to the revolution surface and one end of the first connecting piece (302).

3. An electric toothbrush with a small vibration of its handle as claimed in claim 2, wherein said first connecting member (302) is of an L-shaped structure, a slot is reserved in said bristle head (301), and a rod section of said first connecting member (302) is embedded in the reserved slot and fixedly connected to the bristle head.

4. An electric toothbrush with a small handle vibration as claimed in claim 2, wherein the buffer connecting member (5) is made of TPE or TPR.

5. An electric toothbrush with a low vibration handle according to claim 1, characterized in that the cam (6) is a cylindrical cam.

6. The electric toothbrush with small vibration of the handle as claimed in claim 1, wherein said power supply device comprises a battery and a charging plug, said battery is installed in said housing (1) and electrically connected with the motor and the button, said charging plug is electrically connected with said battery and located at the bottom end of said housing (1), said bottom end of said housing is installed with a waterproof plug corresponding to the position of the charging plug.

7. The electric toothbrush with the small vibration of the brush handle as claimed in claim 1, further comprising a display screen (10) and a display screen circuit board, wherein a mounting opening (8) is formed in one side of the housing (1), the display screen (10) is mounted in the mounting opening (8), a waterproof transparent sheet covers a screen surface of the display screen, and the display screen is electrically connected with the display screen circuit board and the power supply device.

8. An electric toothbrush with a small vibration of handle as claimed in any one of claims 1 to 7, wherein a toothbrush cover (7) is provided around the handle (2) and the head assembly (3), and the toothbrush cover (7) is sleeved on one end of the housing (1).