CN111671541A

CN111671541A - Tooth brush

Info

Publication number: CN111671541A
Application number: CN202010665861.7A
Authority: CN
Inventors: 陈世达
Original assignee: Wuxi Jinbai Precision Mould Co ltd
Current assignee: Wuxi Jinbai Precision Mould Co ltd
Priority date: 2020-07-12
Filing date: 2020-07-12
Publication date: 2020-09-18

Abstract

The invention provides a toothbrush, which comprises a shell, a battery, a motor, a first gear, a second gear, a first eccentric wheel, a connecting shaft, a second eccentric wheel and a toothbrush head, wherein the battery is arranged in the shell, the motor is connected with the battery, the first gear is sleeved on a rotating shaft of the motor, gear teeth and a tooth root circle of the first gear are positioned on the same plane, the first gear is meshed with the second gear, the gear teeth of the second gear are perpendicular to the tooth root circle, the connecting shaft is flat, long round holes are formed in two ends of the connecting shaft, the long round hole in one end of the connecting shaft is sleeved on a first rotating shaft of the first eccentric wheel, the long round hole in the other end of the connecting shaft is sleeved on a second rotating shaft of the second eccentric wheel, a second rotating wheel main body of the second eccentric wheel is connected with a connecting disc. The connecting shaft extending into the oral cavity is flat, so that the size of the shell covering the connecting shaft is small as much as possible, and the cleaning effect is good.

Description

Tooth brush

Technical Field

The invention belongs to the field of toothbrushes, and particularly relates to a toothbrush capable of protecting teeth.

Background

The electric toothbrush can make the brush head generate high-frequency vibration through the quick rotation or vibration of the motor core, instantly decompose toothpaste into fine foam to deeply clean teeth gaps, and meanwhile, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massage effect on gum tissues. The existing electric toothbrush has large volume of the part entering the oral cavity, cannot clean teeth thoroughly, and is easy to damage the teeth after long-term use.

Disclosure of Invention

The invention aims to provide a toothbrush with a good cleaning effect.

According to one aspect of the invention, there is provided a toothbrush comprising a housing and, disposed within the housing, a battery, a motor, a first gear, a second gear, a first eccentric, a connecting shaft, a second eccentric, and a toothbrush head,

the battery is the motor power supply, the cover is equipped with first gear on the rotation axis of motor, the teeth of a cogwheel and the root circle of first gear are located same plane, first gear with the meshing of second gear is connected, the teeth of a cogwheel perpendicular to root circle of second gear sets up, the root circle of second gear with the laminating of first runner body of first eccentric wheel is connected mutually, the connecting axle is the platykurtic, the casing cladding the part of connecting axle is the platykurtic, the connecting axle both ends all are equipped with the slotted hole, the slotted hole cover of connecting axle one end is established in the first pivot of first eccentric wheel, the slotted hole cover of the other end of connecting axle is established in the second pivot of second eccentric wheel, the second runner main part of second eccentric wheel is connected with the connecting disc,

one surface of the connecting disc is provided with a connecting column, the outer side surface of the connecting column is cylindrical, a hexagonal prism through hole is arranged in the axial direction of the connecting column in a penetrating way,

the toothbrush head includes the disc, sets up brush hair on the disc terminal surface and set up in parallel arrangement's on the disc another terminal surface disc connecting pipe and disc connecting axle, the disc connecting axle is worn to locate in the disc connecting pipe and not with the disc connecting pipe contacts, the disc connecting pipe is hollow body, the disc connecting axle is hexagonal prism form, the disc connecting pipe cover is established outside the spliced pole, the disc connecting axle is worn to establish in the hexagonal prism through-hole of spliced pole.

In some embodiments, the casing is internally provided with a control panel, the casing is externally provided with a switch, the control panel is connected with the switch, the control panel is provided with a single chip microcomputer for reading the switch instruction, the control panel is connected with the motor, the battery is a lithium battery, and the battery is connected with the control panel.

In some embodiments, the housing includes a first housing, a second housing, and a bottom cover, the first housing and the second housing are arranged in an opposite manner to form a housing main body, the bottom cover is inserted into a bottom of the housing main body, and a portion of the housing main body for covering the connecting shaft is flat.

In some embodiments, the first eccentric comprises a first pulley body and a first shaft disposed perpendicular to the first pulley body. The first shaft is offset from a center of the first pulley body.

In some embodiments, the second eccentric comprises a second wheel body and a second shaft disposed perpendicular to the second wheel body. The second rotating shaft deviates from the center of the second rotating wheel body.

In some embodiments, the connecting shaft is thin plate-shaped.

The beneficial effects are as follows: the connecting shaft extending into the oral cavity is flat, so that the size of the shell covering the connecting shaft is small as much as possible, and the cleaning effect is good; the control panel of the invention can set the rotating speed and the rotating direction of the motor, so that the cleaning effect is better.

Drawings

FIG. 1 is an exploded schematic view of a toothbrush in accordance with one embodiment of the present invention;

FIG. 2 is a schematic view of a toothbrush according to one embodiment of the present invention;

fig. 3 is a schematic view showing an internal structure of a toothbrush according to an embodiment of the present invention.

Detailed Description

Fig. 1 to 3 schematically show a toothbrush according to an embodiment of the present invention. As shown in fig. 1 to 3, the toothbrush includes a housing 1, a battery 2 disposed in the housing 1, a motor 3, a first gear 4, a second gear 5, a first eccentric 6, a connecting shaft 7, a second eccentric 8, and a toothbrush head 9.

The case 1 includes a first case 11, a second case 12, and a bottom cover 3. The first shell 11 and the second shell 12 are arranged oppositely to form a main body of the shell 1, and the bottom cover 3 is arranged at the bottom of the main body of the shell 1 in a penetrating way to form the shell 1. The motor 3 is mounted inside the housing 1 through a motor mount 31. The shell 1 is provided with a switch button through hole. The switch is mounted in a through hole of the housing 1. A control panel 10 is also provided in the housing 1. The switch is connected to the control board 10. The control panel 10 is provided with a single chip microcomputer, and the single chip microcomputer reads the instruction of the switch and gives a corresponding signal to the control panel 10. The control board 10 is connected with the motor 3 to control the rotation direction and the rotation speed of the motor 3, so as to realize the rotation direction and the rotation speed of the toothbrush head 9. The battery 2 is a lithium battery. The control board 10 is also provided with a charging management module for charging and discharging the battery 2. The battery 2 is connected with the control board 10 through a lead to supply power to the motor 3.

The rotating shaft of the motor 3 is sleeved with a first gear 4. The teeth and the root circle of the first gear 4 are located on the same plane. The first gear 4 and the second gear 5 are in meshed connection. The teeth of the second gearwheel 5 are arranged perpendicularly to the root circle. The end face of the root circle of the second gear 5 is provided with a first eccentric wheel 6. The first eccentric 6 comprises a first pulley body and a first rotating shaft arranged perpendicularly to the first pulley body. The first shaft is offset from a center of the first pulley body. The first rotating shaft is perpendicular to the first rotating wheel body. The brush head 9 includes a disk 91, bristles 92 provided on one end surface of the disk 91, and a disk coupling tube 94 and a disk coupling shaft 93 provided on the other end surface of the disk 91. The disk connecting shaft 93 is inserted into the disk connecting pipe 94 and does not contact with the disk connecting pipe 94, the disk connecting shaft 93 is arranged in parallel with the disk connecting pipe 94, and the disk connecting shaft 93 is flush with the end of the disk connecting pipe 94. The disk connecting pipe 94 is a hollow pipe body. The disc coupling shaft 93 has a hexagonal prism shape. One side of the connecting disc 91 is provided with a connecting column. The outer side surface of the connecting column is cylindrical. The connecting column is axially provided with a hexagonal prism through hole matched with the disc connecting shaft 93 in a penetrating way. From this, the disk connecting pipe 94 is sleeved outside the connecting column, and the disk connecting shaft 93 is penetrated in the hexagonal prism through hole of the connecting column, so that the rotation of the disk 91 can drive the rotation of the toothbrush head 9 and the toothbrush head 9 is easy to replace. The other side of the connecting disc 91 is provided with a second eccentric wheel 8. The second eccentric wheel 8 comprises a second wheel body and a second rotating shaft arranged on the second wheel body. The second rotating shaft deviates from the center of the second rotating wheel body. The second rotating shaft is perpendicular to the second rotating wheel body. The second runner body is attached to the connection disc 91. The connecting shaft 7 is flat. In order to reduce the volume of the toothbrush stem as much as possible and to make it easier to move in the mouth, the connecting shaft 7 is as thin as possible in the form of a plate, while being able to connect the first eccentric 6 and the second eccentric 8 in a stable manner. The two ends of the connecting shaft 7 are provided with oblong holes. The slotted hole at one end of the connecting shaft 7 is sleeved on a first rotating shaft of the first eccentric wheel 6, and the slotted hole at the other end of the connecting shaft 7 is sleeved on a second rotating shaft of the second eccentric wheel 8.

The rotation of the rotation axis of the motor 3 drives the rotation of the first gear 4, the rotation of the first gear 4 drives the rotation of the second gear 5, the second gear 5 rotates to drive the rotation of the first eccentric wheel 6, the rotation of the first eccentric wheel 6 drives the reciprocating movement of the connecting shaft 7 through the first rotation axis, the reciprocating movement of the connecting shaft 7 drives the rotation of the second eccentric wheel 8, the rotation of the second eccentric wheel 8 drives the rotation of the toothbrush head 9, thereby achieving the effect of cleaning the oral cavity.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims

1. A toothbrush is characterized by comprising a shell, and a battery, a motor, a first gear, a second gear, a first eccentric wheel, a connecting shaft, a second eccentric wheel and a toothbrush head which are arranged in the shell,

2. The toothbrush according to claim 1, wherein a control panel is further arranged in the housing, a switch is arranged outside the housing, the control panel is connected with the switch, a single chip microcomputer for reading the switch instruction is arranged on the control panel, the control panel is connected with the motor, the battery is a lithium battery, and the battery is connected with the control panel.

3. The toothbrush of claim 1, wherein the housing comprises a first housing, a second housing, and a bottom cover, the first housing and the second housing are disposed in a snap-fit manner to form a housing main body, and the bottom cover is disposed through a bottom of the housing main body.

4. The toothbrush of claim 1, wherein the first eccentric comprises a first pulley body and a first shaft disposed perpendicular to the first pulley body. The first shaft is offset from a center of the first pulley body.

5. The toothbrush of claim 1, wherein the second eccentric comprises a second wheel body and a second shaft disposed perpendicular to the second wheel body. The second rotating shaft deviates from the center of the second rotating wheel body.

6. The toothbrush of claim 1, wherein the connecting shaft is thin plate-shaped.