CN112773544A

CN112773544A - Oscillating electric toothbrush

Info

Publication number: CN112773544A
Application number: CN202110266911.9A
Authority: CN
Inventors: 陈建峰; 张胜; 曾荣光
Original assignee: Ningbo Taili Electric Co ltd
Current assignee: Ningbo Taili Electric Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-05-11

Abstract

The invention provides a swing type electric toothbrush, which comprises a handle and a brush body connected to one end of the handle, wherein a driving device is installed in the handle, and one end of the brush body is connected with the driving device; the driving device comprises a cam and a driving rod, the driving rod is sleeved on the cam, and one end of the driving rod is connected with the brush body; the cam is used for driving the driving rod to swing back and forth along the axial direction when rotating, and the brush body swings along with the driving rod. According to the swing type electric toothbrush, the driving rod is driven to rotate through the cam inside the toothbrush, the brush body swings through connection of the driving rod and the brush body, the driving rod can axially rotate back and forth through matching of the annular positioning groove in the cam and the guide post on the driving rod, and the brush body is further driven to swing back and forth.

Description

Oscillating electric toothbrush

Technical Field

The invention relates to the technical field of electric toothbrushes, in particular to a swing type electric toothbrush.

Background

In recent years, people have an increased awareness of oral hygiene and particular attention has been paid to the health protection of teeth. The electric toothbrush is used as an important tool for cleaning teeth, compared with a common toothbrush, the electric toothbrush has better cleaning performance and convenient use, does not need manual labor, and is selected by more and more users. The electric toothbrush can lead the brush head to 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 simultaneously, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massage effect on gum tissues; however, electric toothbrushes on the market all adopt the mode of rotary vibration to rotate the bristles, cannot deeply clean the position between teeth during use, and use the rotary electric toothbrush simultaneously, the bristles impact teeth constantly in high-speed rotation, so that the user experience is poor, and the surfaces of the teeth are easily damaged.

Disclosure of Invention

Technical problem to be solved

The invention aims to solve the technical problem of providing a swing type electric toothbrush so as to solve the problems that the electric toothbrush in the prior art is poor in cleaning effect and easy to damage gum.

(II) technical scheme

In order to solve the technical problem, the invention provides a swing type electric toothbrush, which comprises a handle and a brush body connected to one end of the handle, wherein a driving device is installed in the handle, and one end of the brush body is connected with the driving device; the driving device comprises a cam and a driving rod, the driving rod is sleeved on the cam, and one end of the driving rod is connected with the brush body; the cam is used for driving the driving rod to swing back and forth along the axial direction when rotating, and the brush body swings along with the driving rod.

Furthermore, the cam is provided with an annular positioning groove, the end part of the driving rod is provided with an annular sealing part, the bilateral symmetry of the annular sealing part extends inwards to form a guide post which is arranged in the annular positioning groove, the annular positioning groove is arranged in an inclined manner, the bilateral symmetry of the annular positioning groove is different in the height of the front end and the rear end, so that the guide posts are arranged on the two sides of the annular positioning groove in a zero state and are flush in height, after the cam rotates, the guide post on one side moves downwards along the annular positioning groove, the guide post on the other side moves upwards along the annular positioning groove, the heights of the two ends of the annular sealing part on the driving rod are different, the driving rod rotates axially under the driving of the guide posts, and the annular positioning groove is symmetrically arranged and sealed, so that the driving rod can reset after the cam rotates for 360 degrees, in the rotating process of the cam, the driving rod axially rotates back and forth, and the brush body fixed on the driving rod axially swings back and forth at two sides.

Furthermore, the driving device further comprises a driving motor, a transmission gear is connected to the driving motor, a tooth part meshed with the transmission gear is arranged at the lower end of the cam, and the driving motor drives the cam to rotate through the transmission gear.

Furthermore, a connecting rod is arranged in the brush body and sleeved in the driving rod, the driving rod drives the brush body to integrally swing through the connecting rod, and a sealing sleeve is further arranged between the connecting rod and the driving rod and plays a role in reinforcing and sealing.

Further, install the brush head on the brush body, just the brush head is rotatably installed on the brush body, and is concrete, the internal locating lever of installing of brush, the bottom of brush head is equipped with the spacing groove, the one end of locating lever is arranged in the spacing inslot, consequently the brush head can the spacing groove with follow in the limiting range of locating lever the brush body is rotatory, makes brush head swing in-process can also rotate, and clean effect is better.

(III) advantageous effects

According to the swing type electric toothbrush, the driving rod is driven to rotate through the cam inside the toothbrush, the brush body swings through connection of the driving rod and the brush body, the driving rod can axially rotate back and forth through matching of the annular positioning groove in the cam and the guide post on the driving rod, and the brush body is further driven to swing back and forth.

Drawings

FIG. 1 is a perspective view of an embodiment of an oscillating electric toothbrush of the present invention;

FIG. 2 is a perspective view showing an internal structure of an electric toothbrush of an oscillating type according to an embodiment of the present invention;

FIG. 3 is a perspective view of a driving unit and a connecting rod in an embodiment of an oscillating electric toothbrush according to the present invention;

FIG. 4 is a perspective view of a driving apparatus in one embodiment of an oscillating electric toothbrush according to the present invention;

FIG. 5 is a perspective view of a cam in one embodiment of an oscillating electric toothbrush according to the present invention;

FIG. 6 is a perspective view of a driving rod in an embodiment of an oscillating electric toothbrush according to the present invention;

FIG. 7 is a second perspective view of an embodiment of an oscillating electric toothbrush of the present invention;

FIG. 8 is a perspective view of a brush body in a second embodiment of the oscillating electric toothbrush of the present invention;

fig. 9 is a perspective view showing an internal structure of a brush body in a second embodiment of the swing type electric toothbrush according to the present invention.

Wherein: 1 is a handle, 2 is a brush body, 3 is a cam, 4 is a driving rod, 5 is an annular positioning groove, 6 is an annular sealing part, 7 is a guide post, 8 is a driving motor, 9 is a transmission gear, 10 is a tooth part, 11 is a connecting rod, 12 is a sealing sleeve, 13 is a brush head, 14 is a positioning rod, and 15 is a limiting groove.

Detailed Description

The first embodiment is as follows:

referring to fig. 1 to 6, in order to solve the above technical problems, the present invention provides a swing type electric toothbrush, which includes a handle 1 and a brush body 2 connected to one end of the handle 1, wherein a driving device is installed in the handle 1, one end of the brush body 2 is connected to the driving device, and the driving device can drive the brush body to swing back and forth in an axial direction; specifically, the driving device comprises a cam 3 and a driving rod 4, wherein an annular sealing part 6 is arranged at the end part of the driving rod 4, the annular sealing part 6 is sleeved on the cam 3, an annular positioning groove 5 is arranged on the cam 3, two sides of the annular sealing part 6 symmetrically extend inwards to form a guide column 7, and the guide column 7 is arranged in the annular positioning groove 5; in this embodiment, the circular positioning groove 5 is obliquely arranged, the two sides of the circular positioning groove 5 are symmetrical, the front end and the rear end of the circular positioning groove 5 are different in height, the guide post 7 on the driving rod 4 is arranged on the two sides of the circular positioning groove 5 in a static state, and the guide posts 7 are the same in height, when the cam 3 rotates, the guide posts 7 can move under the driving of the circular positioning groove 5 on the cam 3, at the moment, the guide post 7 on one side moves towards the lower end of the circular positioning groove 5, and the guide post 7 on the other side moves towards the upper end of the circular positioning groove 5, so the guide posts 7 on the two sides of the driving rod 4 respectively move in the up-and-down directions, and the circular positioning groove 5 can drive the guide posts 7 to reset after the cam 3 rotates 360 degrees, in this embodiment, one end of the driving rod 4 is connected with the brush body 2, the cam 3 drives the driving, namely, the brush body 2 is driven to swing back and forth by the driving rod 4;

in this embodiment, the driving device further includes a driving motor 8, the driving motor 8 is connected with a transmission gear 9, a tooth portion 10 meshed with the transmission gear 9 is arranged at the lower end of the cam 3, and the driving motor 8 drives the transmission gear 9 to rotate so as to drive the cam 3 to rotate; be equipped with connecting rod 11 in the brush body 2, this connecting rod 11 suit is in actuating lever 4, and the brush body 2 passes through connecting rod 11 and connects drive arrangement, and still installs seal cover 12 between this connecting rod 11 and the actuating lever 4, and seal cover 12 plays and connects and sealed effect, installs brush head 13 on the brush body 2, and brush head 13 is used for cleaning teeth along with brush body 2 during the swing.

Example two:

referring to fig. 7 to 9, the difference between the present embodiment and the first embodiment is: brush head 13 rotatably installs on brush body 2, it is concrete, install locating lever 14 in the brush body 2, brush head 13's bottom is equipped with spacing groove 15, spacing groove 15 is arranged in to locating lever 14's one end, brush head 13 is circular, brush head 13 is arranged in the circular recess of brush body 2 upper end, spacing groove 15 and the brush body 2 interior locating lever 14 cooperation of brush head 13 bottom, locating lever 14's tip can swing at spacing groove 15's within range, consequently, brush head 13 can be at certain within range internal rotation, brush head 13 can also rotate when making the whole wobbling of brush body 2 in service, the cleaning performance is better.

According to the oscillating type electric toothbrush, the cam is driven to rotate through the matching of the driving motor and the transmission gear inside the electric toothbrush and the cam, the cam can drive the driving rod to rotate, the brush body oscillates through the connection of the driving rod and the brush body, the driving rod can axially rotate back and forth through the matching of the annular positioning groove in the cam and the guide post in the driving rod, and the brush body is further driven to oscillate back and forth.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A swing type electric toothbrush comprises a handle (1) and a brush body (2) connected to one end of the handle (1), and is characterized in that a driving device is installed in the handle (1), and one end of the brush body (2) is connected with the driving device; the driving device comprises a cam (3) and a driving rod (4), the driving rod (4) is sleeved on the cam (3), and one end of the driving rod (4) is connected with the brush body (2); the cam (3) is used for driving the driving rod (4) to swing in a reciprocating mode along the axial direction when rotating, and the brush body (2) swings along with the driving rod (4).

2. The oscillating electric toothbrush of claim 1, wherein: be equipped with annular positioning groove (5) on cam (3), the tip of actuating lever (4) is equipped with annular sealing portion (6), the bilateral symmetry of annular sealing portion (6) inwards extends and is formed with guide post (7), guide post (7) are arranged in annular positioning groove (5).

3. The oscillating electric toothbrush of claim 2, wherein: the annular positioning groove (5) is obliquely arranged, the two sides of the annular positioning groove (5) are symmetrical, and the front end and the rear end of the annular positioning groove are different in height.

4. The oscillating electric toothbrush of claim 1, wherein: the driving device further comprises a driving motor (8), a transmission gear (9) is connected to the driving motor (8), and a tooth part (10) meshed with the transmission gear (9) is arranged at the lower end of the cam (3).

5. The oscillating electric toothbrush of claim 1, wherein: a connecting rod (11) is arranged in the brush body (2), and the connecting rod (11) is sleeved in the driving rod (4).

6. The oscillating electric toothbrush of claim 5, wherein: and a sealing sleeve (12) is also arranged between the connecting rod (11) and the driving rod (4).

7. The oscillating electric toothbrush of claim 1, wherein: the brush body (2) is provided with a brush head (13).

8. The oscillating electric toothbrush of claim 7, wherein: the brush head (13) is rotatably mounted on the brush body (2).

9. The oscillating electric toothbrush of claim 8, wherein: a positioning rod (14) is installed in the brush body (2), a limiting groove (15) is formed in the bottom of the brush head (13), and one end of the positioning rod (14) is arranged in the limiting groove (15).