CN111134884A

CN111134884A - Low-frequency long-brushing-distance electric toothbrush

Info

Publication number: CN111134884A
Application number: CN202010025314.2A
Authority: CN
Inventors: 倪军
Original assignee: Zhuobi (dongguan) Precision Technology Co Ltd
Current assignee: Zhuobi (dongguan) Precision Technology Co Ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-05-12

Abstract

The invention discloses a low-frequency long-stroke electric toothbrush which comprises a brush handle, wherein a rotating motor is arranged in the brush handle, a motor crank is arranged on an output shaft of the rotating motor, a motor crank shaft head is arranged at the upper end head of the motor crank, the motor crank shaft head is connected with a lever, a motor crank shaft head groove is formed in one surface of the lever, the motor crank shaft head is arranged in the motor crank shaft head groove, a lever rotating shaft is arranged at one end, away from the motor crank shaft head, of the lever, and a spindle crank is arranged at the upper end of the spindle crank head. The bristle tips of the toothbrush head can oscillate for a long distance by taking the main shaft as an axis to form a long brushing distance, and the long brushing distance can achieve a very good tooth brushing effect; the tangent plane arc center of brush hair is coaxial with the main shaft to keep brush hair at the wobbling in-process, the brush hair is contacted with the tooth by the brush face all the time, promotes user experience.

Description

Low-frequency long-brushing-distance electric toothbrush

Technical Field

The invention relates to the technical field of electric toothbrushes, in particular to a low-frequency long-stroke electric toothbrush.

Background

Electric tooth brush has become one of daily necessities of people so far, but with the current technology, the following problems exist:

(1) mainly uses a vibrating brush head as a main part, the vibration amplitude is small, the frequency is high, tartar mainly uses sticky substances of soft food as a main part, the effect of small amplitude on tartar is very limited, and under the high-frequency amplitude of the brush hair, the brush hair tip does not have too much brushing surface action on a working surface and moves reversely, so the effect is limited.

(2) The experience of people who are very sensitive to teeth is poor due to high-frequency vibration, and sensitive points can be stimulated by the high-frequency vibration, so that toothache, dental soreness and the like are obvious in feeling.

(3) The structural technical limitation of the existing vibration motor does not support long brushing distance and low frequency, so that actual energy efficiency cannot be achieved in effective tooth brushing and better experience.

(4) The general vibration motor adopts a spring structure in an energy storage structure, is not as effective as the rotation inertia energy storage of a rotating motor and has long service life, so that the difficulty of low frequency is higher.

Disclosure of Invention

The present invention is directed to solving the above problems and providing a low frequency long stroke electric toothbrush.

The invention realizes the purpose through the following technical scheme:

a low-frequency long-brush-stroke electric toothbrush comprises a brush handle, wherein a rotating motor is arranged in the brush handle, an output shaft of the rotating motor is provided with a motor crank, an upper end head of the motor crank is provided with a motor crank shaft head, the motor crank shaft head is connected with a lever, one side of the lever is provided with a motor crank shaft head groove, the motor crank shaft head is arranged in the motor crank shaft head groove, one end of the lever, which is far away from the motor crank shaft head, is provided with a lever rotating shaft, the other side of the lever is provided with a main shaft crank head groove, a main shaft crank head is arranged in the main shaft crank shaft groove, a main shaft crank head is arranged at the upper end of the main shaft crank head, a main shaft is arranged at the upper end of the main shaft crank, a main shaft bearing is arranged on the main shaft, a brush head, the brush hair tangent plane arc center with the main shaft is concentric, one side of brush holder is provided with the button, the button upside is provided with the pilot lamp, be provided with the key that dabs on the button and dabs down, the brush holder is inside to be located the rotating electrical machines below is provided with the battery, battery one side is provided with main PCB, the brush holder bottom is provided with charging mechanism.

Further setting: charging mechanism includes the charging seat, the inside power contact PIN that is provided with of charging seat, the brush holder bottom is provided with power access PIN, the charging seat with the inside magnet piece that all is provided with of brush holder.

Further setting: the charging mechanism comprises a charging seat, the charging seat and the inside of the brush handle are provided with U-shaped magnetic core coils, the inner sides of the U-shaped magnetic core coils are provided with U-shaped magnetic cores, and the positions of the charging seat and the brush handle are provided with magnet pieces.

Further setting: the rotating motor is connected with the brush holder through a screw.

Further setting: the motor crank shaft head is integrally formed on the motor crank, and the motor crank shaft head is connected with the lever in a sliding mode.

Further setting: the motor crankshaft head groove is integrally formed in the lever, and the lever rotating shaft is rotatably connected with the lever.

Further setting: the main shaft crank head is integrally formed on the main shaft crank, and the main shaft is connected with the brush handle through the main shaft bearing.

Further setting: and waterproof silica gel is arranged at the joint of the main shaft and the toothbrush head and at the lower part of the toothbrush handle.

Further setting: the front and back polarities of the magnet pieces are opposite.

Further setting: the U-shaped magnetic core inside the brush handle is aligned with the U-shaped magnetic core inside the charging seat.

Compared with the prior art, the invention has the following beneficial effects:

1. the bristle tips of the toothbrush head can oscillate for a long distance by taking the main shaft as the axis to form a long brushing distance, and the long brushing distance can achieve a very good tooth brushing effect;

2. the frequency can be very low, the special low-frequency tooth brushing can adopt a gear reduction mode to achieve lower tooth brushing frequency, the tooth brushing machine can also be used for sensitive teeth, and the vibration and the noise are very small;

3. the circuit can be adopted to control the motor to realize more tooth brushing frequencies;

4. the arc-shaped working surface of the bristles is concentric with the main shaft, so that the bristles of the toothbrush can be well combined with teeth in the whole brushing process, and the arc-shaped surface at the front part of the brush can enable the brush head to adapt to more tooth brushing parts, so that the bristles are always in contact with the brushed surface of the teeth in the swinging process of the bristles, and the user experience is improved;

5. the operation can be simplified by pressing two keys one by one;

6. due to the design of the two PIN charging seats, the toothbrush can be automatically aligned when being placed at random, so that the charging seats can be used for placing the toothbrush, the toothbrush can be placed vertically, the toothbrush is more sanitary, and the toothbrush handle can achieve a good waterproof effect;

7. the U-shaped coil is wireless, the efficiency is high, and the toothbrush handle and the charging seat can both achieve good waterproof effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a left side elevational view of a low frequency, long stroke electric toothbrush in accordance with the present invention;

FIG. 2 is a sectional view A-A of embodiment 1 of a low frequency long stroke electric toothbrush of the present invention;

FIG. 3 is a cross-sectional view A-A of embodiment 2 of a low frequency, long stroke electric toothbrush of the present invention;

FIG. 4 is a schematic view of a low frequency long stroke electric toothbrush of the present invention with the head and handle removed;

FIG. 5 is an enlarged view at C of a low frequency long stroke electric toothbrush of the present invention;

FIG. 6 is an enlarged view at A of a low frequency long stroke electric toothbrush of the present invention;

FIG. 7 is a schematic view of the oscillating angle of the toothbrush head of a low frequency long stroke electric toothbrush of the present invention.

The reference numerals are explained below:

1. a brush handle; 2. a battery; 3. a rotating electric machine; 4. a motor crank; 5. a lever; 6. a main shaft crank; 7. a main shaft bearing; 8. a main shaft; 9. a toothbrush head; 10. brushing; 11. a lever shaft; 12. an indicator light; 13. a touch key is touched; 14. a button; 15. a lower light touch key; 16. a main PCB; 17. the power supply is connected with the PIN; 18. a magnet piece; 19. a charging seat; 20. a power supply contact PIN; 21. a U-shaped magnetic core coil; 22. a U-shaped magnetic core; 23. a motor crank shaft head; 24. a main shaft crank head; 25. a main shaft crank head groove; 26. motor crankshaft head groove.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be further described with reference to the accompanying drawings in which:

example 1

As shown in fig. 1, 2, 4, 5, 6 and 7, a low-frequency long-stroke electric toothbrush comprises a brush handle 1, a rotating motor 3 is arranged in the brush handle 1, a motor crank 4 is arranged on an output shaft of the rotating motor 3, a motor crank shaft head 23 is arranged at the upper end of the motor crank 4, the motor crank shaft head 23 is connected with a lever 5, one surface of the lever 5 is provided with a motor crank shaft head groove 26, the motor crank shaft head 23 is arranged in the motor crank shaft head groove 26, one end of the lever 5 far away from the motor crank shaft head 23 is provided with a lever rotating shaft 11, the other surface of the lever 5 is provided with a main shaft crank head groove 25, a main shaft crank head 24 is arranged in the main shaft crank head groove 25, the upper end of the main shaft crank head 24 is provided with a main shaft crank 6, the upper end of the main shaft crank 6 is provided with a main shaft, the toothbrush head 9 is provided with bristles 10, the upper part of the cut shape of the side surface of the bristles 10 is arc-shaped, so that the bristles 10 are more suitable for toothbrush processes of various angles, the arc center of the tangent plane of the bristles 10 and the center of a main shaft 8 are concentric, so that the working surface of the bristles 10 is always on the working surface of teeth in the long stroke oscillating process of the toothbrush head 9, one side of the brush holder 1 is provided with a button 14, the upper side of the button 14 is provided with an indicator lamp 12, the button 14 is provided with an upper light touch key 13 and a lower light touch key 15, the inside of the brush holder 1 is provided with a battery 2 below the rotating motor 3, one side of the battery 2 is provided with a main PCB16, the bottom of the brush holder 1 is provided with a charging mechanism, the charging mechanism comprises a charging seat 19, the charging seat 19 is internally provided with a power supply contact PIN20, the bottom of the brush, and (6) automatic alignment.

Further setting: the rotating motor 3 is connected with the brush holder 1 through a screw; the motor crank shaft head 23 is integrally formed on the motor crank 4, and the motor crank shaft head 23 is connected with the lever 5 in a sliding manner; the motor crankshaft head groove 26 is integrally formed on the lever 5, and the lever rotating shaft 11 is rotatably connected with the lever 5; the main shaft crank head 24 is integrally formed on the main shaft crank 6, and the main shaft 8 is connected with the brush handle 1 through the main shaft bearing 7, so that friction is reduced; waterproof silica gel is arranged at the joint of the main shaft 8 and the toothbrush head 9 and at the lower part of the brush handle 1 to ensure that the brush handle 1 does not enter water; the magnet pieces 18 have opposite polarities in the front and rear directions.

Example 2

As shown in fig. 1 and fig. 3-7, a low-frequency long-brush-stroke electric toothbrush comprises a brush handle 1, a rotary motor 3 is arranged in the brush handle 1, a motor crank 4 is arranged on an output shaft of the rotary motor 3, a motor crank shaft head 23 is arranged at the upper end head of the motor crank 4, the motor crank shaft head 23 is connected with a lever 5, one surface of the lever 5 is provided with a motor crank shaft head groove 26, the motor crank shaft head 23 is arranged in the motor crank shaft head groove 26, one end of the lever 5 away from the motor crank shaft head 23 is provided with a lever rotating shaft 11, the other surface of the lever 5 is provided with a main shaft crank head groove 25, a main shaft crank head 24 is arranged in the main shaft crank head groove 25, the upper end of the main shaft crank head 24 is provided with a main shaft crank 6, the upper end of the main shaft crank 6 is provided with a main shaft, the upper part of the cut shape of the side surface of the brush hair 10 is arc-shaped so as to facilitate the brush hair 10 to be more suitable for the toothbrush process with various angles, the arc center of the section of the brush hair 10 and the main shaft 8 are concentric so as to ensure that the working surface of the brush hair 10 is always on the working surface of teeth in the long stroke oscillating process of the brush head 9, one side of the brush holder 1 is provided with a button 14, the upper side of the button 14 is provided with an indicator light 12, the button 14 is provided with an upper light touch key 13 and a lower light touch key 15, the inside of the brush holder 1 is provided with a battery 2 below the rotating motor 3, one side of the battery 2 is provided with a main PCB16, the bottom of the brush holder 1 is provided with a charging mechanism, the charging mechanism comprises a charging seat 19, the charging seat 19 and the inside of the brush holder 1 are both provided with a U-shaped magnetic core coil 21, the, and (6) automatic alignment.

Further setting: the rotating motor 3 is connected with the brush holder 1 through a screw; the motor crank shaft head 23 is integrally formed on the motor crank 4, and the motor crank shaft head 23 is connected with the lever 5 in a sliding manner; the motor crankshaft head groove 26 is integrally formed on the lever 5, and the lever rotating shaft 11 is rotatably connected with the lever 5; the main shaft crank head 24 is integrally formed on the main shaft crank 6, and the main shaft 8 is connected with the brush handle 1 through the main shaft bearing 7, so that friction is reduced; waterproof silica gel is arranged at the joint of the main shaft 8 and the toothbrush head 9 and at the lower part of the brush handle 1 to ensure that the brush handle 1 does not enter water; the magnet pieces 18 have opposite front and rear polarities, and the U-shaped core 22 inside the brush holder 1 and the U-shaped core 22 inside the charging stand 19 are aligned.

The working principle and the using process of the invention are as follows: during operation, the electric quantity is displayed by the indicator lamp 12 after the button 14 is started, the rotating motor 3 starts to work when the button 14 is pressed again, the upper light touch key 13 is in the acceleration brushing frequency, the lower touch key 15 is in the deceleration brushing frequency, the rotating motor 3 drives the motor crank shaft head 23 to move, the motor crank shaft head 23 moves in the motor crank shaft head groove 26 of the lever 5, because one end of the lever 5 is fixed through the lever rotating shaft 11, the lever 5 can swing left and right along with the motor crank shaft head 23, the lever 5 is connected with the main shaft crank 6, so the main shaft crank 6 is driven to swing left and right, thereby driving the toothbrush head 9 on the main shaft 8 to swing left and right to realize the purpose of brushing teeth, when needing to be charged, placing the bottom of the handle 1 on the charging dock 19 can be charged through power access PIN17 and power contact PIN20 or wirelessly through the U-core coil 21 and U-core 22.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. A low-frequency long-stroke electric toothbrush is characterized in that: comprises a brush handle (1), the inside rotating electrical machines (3) that is provided with of brush handle (1), the output shaft of rotating electrical machines (3) is provided with motor crank (4), the upper end of motor crank (4) is provided with motor crank spindle nose (23), lever (5) is connected to motor crank spindle nose (23), lever (5) one side is provided with motor crank spindle nose groove (26), motor crank spindle nose (23) sets up in motor crank spindle nose groove (26), the one end that lever (5) kept away from motor crank spindle nose (23) is provided with lever pivot (11), lever (5) another side is provided with main shaft crank spindle nose groove (25), be provided with main shaft crank head (24) in main shaft crank spindle nose groove (25), the upper end of main shaft crank head (24) is provided with main shaft crank (6), the upper end of main shaft crank (6) is provided with main shaft (8), be provided with main shaft bearing (7) on main shaft (8), main shaft (8) upper end is provided with toothbrush head (9), be provided with brush hair (10) on toothbrush head (9), brush hair (10) side shape cutting upper portion is convex, brush hair (10) tangent plane arc center with main shaft (8) concentric circles, one side of brush holder (1) is provided with button (14), button (14) upside is provided with pilot lamp (12), be provided with on button (14) and touch key (13) and touch key (15) down lightly, brush holder (1) inside is located rotating electrical machines (3) below is provided with battery (2), battery (2) one side is provided with main PCB (16), brush holder (1) bottom is provided with charging mechanism.

2. A low frequency long stroke electric toothbrush as claimed in claim 1, wherein: charging mechanism includes charging seat (19), charging seat (19) inside is provided with power contact PIN (20), brush holder (1) bottom is provided with power access PIN (17), charging seat (19) with brush holder (1) inside all is provided with magnet piece (18).

3. A low frequency long stroke electric toothbrush as claimed in claim 1, wherein: charging mechanism includes charging seat (19), charging seat (19) with brush holder (1) is inside all to be provided with U-shaped magnetic core coil (21), U-shaped magnetic core coil (21) inboard is provided with U-shaped magnetic core (22), charging seat (19) with the position of brush holder (1) contact is provided with magnet piece (18).

4. A low frequency long stroke electric toothbrush as claimed in claim 1, wherein: the rotating motor (3) is connected with the brush holder (1) through a screw.

5. A low frequency long stroke electric toothbrush as claimed in claim 1, wherein: the motor crank shaft head (23) is integrally formed on the motor crank (4), and the motor crank shaft head (23) is connected with the lever (5) in a sliding mode.

6. A low frequency long stroke electric toothbrush as claimed in claim 1, wherein: the motor crankshaft head groove (26) is integrally formed in the lever (5), and the lever rotating shaft (11) is rotatably connected with the lever (5).

7. A low frequency long stroke electric toothbrush as claimed in claim 1, wherein: the main shaft crank head (24) is integrally formed on the main shaft crank (6), and the main shaft (8) is connected with the brush handle (1) through the main shaft bearing (7).

8. A low frequency long stroke electric toothbrush as claimed in claim 1, wherein: and waterproof silica gel is arranged at the joint of the main shaft (8) and the toothbrush head (9) and at the lower part of the toothbrush handle (1).

9. A low frequency long stroke electric toothbrush according to claim 2 or 3, wherein: the front and back polarities of the magnet pieces (18) are opposite.

10. A low frequency long stroke electric toothbrush as claimed in claim 3, wherein: the U-shaped magnetic core (22) inside the brush handle (1) is aligned with the U-shaped magnetic core (22) inside the charging seat (19).