CN-224206923-U - Electric toothbrush capable of polishing teeth

CN224206923UCN 224206923 UCN224206923 UCN 224206923UCN-224206923-U

Abstract

The utility model discloses an electric toothbrush capable of polishing teeth, which comprises a toothbrush main body and a toothbrush head, wherein the toothbrush main body comprises a main shell and a driving motor, the toothbrush head comprises a toothbrush head shell, a round head brush holder and bristles, the toothbrush main body further comprises an inner shell and a waterproof rubber sleeve, a first end cover is integrally formed at one end of the inner shell, a second end cover is integrally formed at one end, close to the first end cover, of the main shell, one end of an output shaft of the driving motor sequentially penetrates through the first end cover and the second end cover, the waterproof rubber sleeve is arranged on the first end cover and/or the second end cover, and the waterproof rubber sleeve is sleeved on the output shaft of the driving motor. The toothbrush main body is provided with the inner shell and the waterproof rubber sleeve, the driving motor is arranged in the inner shell, the waterproof rubber sleeve is sleeved on the output shaft of the driving motor, waterproof sealing of the output shaft of the driving motor is achieved, and external water can be effectively prevented from damaging the motor due to the fact that the external water drives the inside of the driving motor.

Inventors

WENG MENGKUN
HUANG BAZI

Assignees

武汉万至达智能科技有限公司
东莞市力博得电子科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250528

Claims (10)

1. An electric toothbrush capable of polishing teeth comprises a toothbrush main body and a toothbrush head detachably connected to the toothbrush main body, wherein the toothbrush main body comprises a main shell and a driving motor arranged in the main shell, The toothbrush head comprises a toothbrush head shell, a round head brush frame and bristles, wherein the toothbrush head shell is detachably arranged on the main shell, the round head brush frame is rotatably arranged on the toothbrush head shell, the bristles are distributed on the round head brush frame, one end of an output shaft of the driving motor extends out of the main shell and is connected with the round head brush frame through a transmission mechanism so as to be used for driving the round head brush frame to rotate; The toothbrush main body further comprises an inner shell and a waterproof rubber sleeve, the driving motor is located in the inner shell and is fixedly installed on the inner shell, the inner shell is located in the main shell and is fixedly installed on the main shell, one end, close to the toothbrush head, of the inner shell is integrally formed with a first end cover, one end, close to the toothbrush head, of the main shell is integrally formed with a second end cover, one end of an output shaft of the driving motor sequentially penetrates through the first end cover and the second end cover, the waterproof rubber sleeve is installed on the first end cover and/or the second end cover, and the waterproof rubber sleeve is sleeved on the output shaft of the driving motor, so that waterproof sealing of the output shaft of the driving motor is achieved.
2. The electric toothbrush capable of polishing teeth according to claim 1, wherein a first flat position is arranged at one end of an output shaft of the driving motor extending out of the main shell; The driving mechanism comprises a driving shaft, the driving shaft is rotatably arranged on the brush head shell, one end of the driving shaft is provided with a connecting hole, the connecting hole is provided with a second flat position matched with the first flat position, and the driving shaft is inserted on an output shaft of the driving motor so as to drive the driving shaft to rotate by 360 degrees.
3. The electric toothbrush for grinding teeth according to claim 2, wherein the transmission mechanism further comprises a bevel gear mechanism, the bevel gear mechanism comprises a driving bevel gear and a driven bevel gear which are meshed with each other, the driving bevel gear is mounted at one end of the transmission shaft far away from the second flat position, and the driven bevel gear is rotatably mounted on the brush head shell and is coaxially connected with the round head brush frame, so as to drive the round head brush frame to rotate by 360 °.
4. An electric toothbrush for grinding teeth as claimed in claim 2, wherein, The driving mechanism further comprises a jaw mechanism, the jaw mechanism comprises a driving jaw disc and a driven jaw disc which are coaxially arranged and meshed with each other, the driving jaw disc is installed at one end, far away from the second flat position, of the driving shaft, the driving jaw disc is coaxially arranged with the driving shaft, and the driven jaw disc is rotatably installed on the brush head shell and is coaxially connected with the round head brush holder, so that the round head brush holder is driven to rotate by 360 degrees.
5. An electric toothbrush capable of polishing teeth according to claim 2, wherein a supporting sleeve is fixedly arranged on the inner wall of the brush head shell, the transmission shaft penetrates through the supporting sleeve, the transmission shaft is provided with a plurality of shaft shoulders, and the inner wall of the supporting sleeve is respectively contacted with each shaft shoulder of the transmission shaft.
6. The electric toothbrush for polishing teeth according to claim 1, wherein the waterproof rubber sleeve is made of silica gel or rubber.
7. The electric toothbrush capable of polishing teeth according to claim 1, wherein the waterproof rubber sleeve comprises a rubber sleeve body and an annular protrusion arranged on the inner wall of the rubber sleeve body, the annular protrusion is in contact with the output shaft of the driving motor, and one side, close to the output shaft of the driving motor, of the cross section of the annular protrusion is arc-shaped, so that the annular protrusion is in line contact with the output shaft of the driving motor.
8. The electric toothbrush of claim 1, wherein an annular clamping table is arranged on one side of the first end cover, which is close to the second end cover, and an annular clamping groove is arranged on the waterproof rubber sleeve, and the annular clamping table is clamped into the annular clamping groove, so that the waterproof rubber sleeve is mounted on the first end cover.
9. The electric toothbrush capable of polishing teeth according to claim 1, wherein a blind hole is formed in one side, close to the first end cover, of the second end cover, an annular boss is arranged on one side, close to the second end cover, of the waterproof rubber sleeve, the annular boss stretches into the blind hole, and the hole wall of the blind hole is matched with an output shaft of the driving motor to clamp the annular boss.
10. The powered toothbrush as defined in claim 1, wherein the toothbrush body further comprises an internet of things module connected to the smart device.

Description

Electric toothbrush capable of polishing teeth Technical Field The utility model belongs to the field of toothbrushes, and in particular relates to an electric toothbrush capable of polishing teeth. Background The electric toothbrush can enhance the cleaning effect through high-frequency vibration or rotation, reduce dental plaque, massage gingiva, improve the tooth brushing efficiency, drive the brush head to generate high-frequency vibration (far higher than the frequency of a manual toothbrush) through the motor core, and can penetrate into dead angles such as tooth gaps, gingival sulcus and the like, so as to remove more dental plaque and food residues. Experiments prove that the cleaning performance of the toothbrush is higher than that of a manual toothbrush by more than 30%, and the toothbrush has obvious effect on odontopathy high-incidence areas such as dorsum of teeth, root of teeth and the like. The toothbrush head of the electric toothbrush needs to be replaced regularly, is generally detachably mounted on the toothbrush main body, and has a plurality of gaps, particularly the electric toothbrush used for a long time, the toothbrush head and the toothbrush main body are loose, the gaps are larger, the electric toothbrush inevitably needs to be contacted with water when in use, and if water enters the electric toothbrush, the water flows into the driving motor along the rotating shaft of the driving motor, so that the driving motor is damaged, and the whole electric toothbrush is scrapped. Disclosure of utility model In order to meet the above defects or improvement demands of the prior art, the utility model provides an electric toothbrush capable of polishing teeth, wherein a toothbrush main body of the electric toothbrush is provided with an inner shell and a waterproof rubber sleeve, and the waterproof rubber sleeve can effectively prevent water from flowing into the driving motor from an output shaft of the driving motor to damage the driving motor, so that the electric toothbrush can play a good waterproof protection role on the driving motor. In order to achieve the above object, according to the present utility model, there is provided an electric toothbrush capable of polishing teeth, comprising a toothbrush main body and a brush head detachably attached to the toothbrush main body, the toothbrush main body comprising a main housing and a driving motor provided inside the main housing, characterized in that, The toothbrush head comprises a toothbrush head shell, a round head brush frame and bristles, wherein the toothbrush head shell is detachably arranged on the main shell, the round head brush frame is rotatably arranged on the toothbrush head shell, the bristles are distributed on the round head brush frame, one end of an output shaft of the driving motor extends out of the main shell and is connected with the round head brush frame through a transmission mechanism so as to be used for driving the round head brush frame to rotate; The toothbrush main body further comprises an inner shell and a waterproof rubber sleeve, the driving motor is located in the inner shell and is fixedly installed on the inner shell, the inner shell is located in the main shell and is fixedly installed on the main shell, one end, close to the toothbrush head, of the inner shell is integrally formed with a first end cover, one end, close to the toothbrush head, of the main shell is integrally formed with a second end cover, one end of an output shaft of the driving motor sequentially penetrates through the first end cover and the second end cover, the waterproof rubber sleeve is installed on the first end cover and/or the second end cover, and the waterproof rubber sleeve is sleeved on the output shaft of the driving motor, so that waterproof sealing of the output shaft of the driving motor is achieved. Preferably, a first flat position is arranged at one end of the output shaft of the driving motor extending out of the main shell; The driving mechanism comprises a driving shaft, the driving shaft is rotatably arranged on the brush head shell, one end of the driving shaft is provided with a connecting hole, the connecting hole is provided with a second flat position matched with the first flat position, and the driving shaft is inserted on an output shaft of the driving motor so as to drive the driving shaft to rotate by 360 degrees. Preferably, the transmission mechanism further comprises a bevel gear mechanism, the bevel gear mechanism comprises a driving bevel gear and a driven bevel gear which are meshed with each other, the driving bevel gear is installed at one end, far away from the second flat position, of the transmission shaft, the driven bevel gear is rotatably installed on the brush head shell and is coaxially connected with the round head brush frame, and the driven bevel gear is used for driving the round head brush frame to rotate by 360 degrees. Preferably, the driving mechanism further compri