CN108309487B - Electric toothbrush and working method thereof - Google Patents
Electric toothbrush and working method thereof Download PDFInfo
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- CN108309487B CN108309487B CN201810111198.9A CN201810111198A CN108309487B CN 108309487 B CN108309487 B CN 108309487B CN 201810111198 A CN201810111198 A CN 201810111198A CN 108309487 B CN108309487 B CN 108309487B
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- brush
- protective shell
- shaft
- electric toothbrush
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/24—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously
- A61C17/26—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously driven by electric motor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/24—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously
- A61C17/26—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously driven by electric motor
- A61C17/28—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously driven by electric motor with rinsing means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/221—Control arrangements therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/222—Brush body details, e.g. the shape thereof or connection to handle
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/224—Electrical recharging arrangements
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Brushes (AREA)
Abstract
The invention discloses an electric toothbrush and a working method thereof, which relate to the field of articles for daily use and comprise a handle, a connecting rod and a toothbrush head, wherein the toothbrush head comprises a protective shell, two rotating shafts with hairbrushes on the surfaces are arranged in the protective shell, a transmission shaft is arranged in the connecting rod, one end of the transmission shaft is linked with a motor, and the other end of the transmission shaft is linked with the two rotating shafts through a gear transmission mechanism; the inner surface of the sealing cover is provided with a plurality of columns which are abutted to the hairbrush, and the sealing cover is detachably arranged on the protective shell; the rotating shaft comprises a shaft core and a sleeve which are sleeved with each other, and the surface of the sleeve is provided with the hairbrush. The invention has the beneficial effects that: the upper teeth and the lower teeth can be cleaned simultaneously, and the inner sides of the teeth can be cleaned conveniently; meanwhile, the invention has the characteristics that the brush is easy to replace and clean and has the brush cleaning function.
Description
The invention is a divisional application, and the application number of a mother case, namely an electric toothbrush, is 201610538705.8; the application date is 2016-07-11.
Technical Field
The invention relates to the field of articles for daily use, in particular to an electric toothbrush and a working method thereof.
Background
The electric toothbrush is a new generation of living goods which can lead the brush head to generate high-frequency vibration by the quick rotation or vibration of the electric machine core, instantly decompose the toothpaste into fine foam and deeply clean the slit between the teeth. The existing electric toothbrush comprises a handle, a connecting rod and a brush head, wherein a motor for driving the brush head to rotate or vibrate is arranged in the handle, and the brush head is usually a rotary disc which can rotate and is provided with a brush or a strip-shaped plate which can turn over at a small angle and is provided with a brush. The existing electric toothbrush generally has the following problems: 1. the upper teeth and the lower teeth cannot be cleaned simultaneously, the connecting rod of the existing electric toothbrush is generally larger, and people are inconvenient to clean the inner sides of the teeth. 2. The brush head is difficult to clean, and after long-time use, sundries are easy to remain in the brush head, dirt is produced, and sanitation is affected. 3. The brush head part is difficult to be disassembled or replaced, so that the brush head cannot be cleaned and cannot be replaced after being damaged. 4. After the brush is used for a long time, impurities are easy to remain on the surface, bacteria are bred, and the conventional electric toothbrush does not have the function of cleaning the brush. It is therefore desirable to design a new type of electric toothbrush that overcomes the above problems and provides convenience to the life of people.
Disclosure of Invention
The invention provides an electric toothbrush, and aims to overcome the defects that the upper and lower teeth cannot be cleaned simultaneously and a brush head is difficult to clean and replace in the conventional electric toothbrush.
The invention adopts the following technical scheme:
the utility model provides an electric toothbrush, is including the handle, connecting rod and the brush head that connect gradually, inside battery, motor and the control circuit of being equipped with of handle, the brush head includes can dismantle the protective housing of being connected with the connecting rod, and this protective housing is half elliptic cylinder shape, and the protective housing is built-in to be equipped with two pivots that are parallel to each other and the surface is equipped with the plural root brush, the inside rotatable transmission shaft that is equipped with of connecting rod, the one end of this transmission shaft and the output shaft linkage of motor, the other end pass through gear drive mechanism and two the pivot linkage.
Furthermore, a strip-shaped protrusion is arranged between the two rotating shafts on the inner surface of the protective shell, so that two semi-cylindrical grooves are formed on the inner surface of the protective shell.
Further, the hair brush protective cover comprises a sealing cover buckled with the protective shell, the sealing cover is in a semi-elliptic cylinder shape, and a plurality of cylinders which are abutted to the hair brush are arranged on the inner surface of the sealing cover.
Further, the one end of connecting rod is equipped with and is conical lower connecting portion, and the other end is equipped with and is the last connecting portion of elliptic cylindrical shape, lower connecting portion set up in the handle through threaded connection mode detachably, the protective housing sets up in last connecting portion through buckle connection mode detachably.
Furthermore, the output shaft of the motor is provided with a polygonal blind hole, the lower end of the transmission shaft is provided with a butt joint section matched with the blind hole, and the butt joint section is detachably inserted into the blind hole; go up connecting portion and be equipped with the installation cavity, the one end of pivot rotationally sets up in last connecting portion and extends to the installation cavity, and the other end rotationally sets up in the protective housing.
Further, still include the fourth gear, the transmission shaft is located two between the pivot, the transmission shaft is equipped with first gear and third gear, one of them the pivot is equipped with the second gear, and another pivot is equipped with the fifth gear, first gear and second gear intermeshing, third gear and fourth gear intermeshing to fourth gear and fifth gear intermeshing, first gear, second gear, third gear, fourth gear and fifth gear constitute gear drive mechanism.
Further, the first gear and the second gear are the same, and the third gear, the fourth gear and the fifth gear are all the same.
Further, the pivot includes axle core and sleeve, the axle core is the polygon cylinder, the sleeve is equipped with the polygon through-hole with axle core looks adaptation, the outside of axle core is located to sleeve detachably cover to the sleeve surface is equipped with the plural root the brush.
Furthermore, the lateral wall of one end of the shaft core close to the connecting rod is provided with an annular flange, the lateral wall of the other end of the shaft core is provided with at least one concave part, the sleeve is provided with at least one convex point, and when the sleeve is sleeved on the shaft core and is mutually abutted to the annular flange, the convex point is buckled with the concave part.
Furthermore, a telescopic charging plug is arranged in the side wall of the handle close to the bottom end, and a shifting lever for shifting the charging plug is arranged at the bottom end of the handle.
The working method of the electric toothbrush comprises the following steps: when the electric toothbrush is not needed, the sealing cover is buckled on the protective shell to prevent dust or fine sundries from being stuck on the brush head and ensure the cleanliness of the brush head; when the toothbrush needs to brush teeth, the sealing cover is taken down; when the brush needs to be simply cleaned, the brush is wetted, the sealing cover is buckled on the protective shell and the motor is started, the brush is rotated and is mutually scraped with the cylinder, and therefore residual dirt and impurities on the surface of the brush are removed.
Furthermore, when the toothbrush needs to be cleaned, the protective shell is taken down, and the inner surface of the protective shell and the hidden part of the toothbrush head are cleaned.
From the above description of the structure of the present invention, it can be seen that the present invention has the following advantages:
the electric toothbrush comprises a handle, a connecting rod and a toothbrush head which are sequentially connected, wherein the toothbrush head comprises a protective shell detachably connected with the connecting rod, two rotating shafts with hairbrushes are arranged in the protective shell, a rotatable transmission shaft is arranged in the connecting rod, one end of the transmission shaft is linked with an output shaft of a motor, and the other end of the transmission shaft is linked with the two rotating shafts through a gear transmission mechanism. When the toothbrush is used, the motor is started, and the two rotating shafts with the brushes are placed in the mouth in a mode of respectively corresponding to the upper teeth and the lower teeth, so that the brush head can simultaneously brush the upper teeth and the lower teeth. Because only one transmission shaft needs to be arranged in the connecting rod, the connecting rod can be made into a cylinder with a smaller diameter, and people can conveniently put the brush head arranged at the end part of the connecting rod into the mouth to clean the inner side of the tooth.
The invention also comprises a sealing cover, wherein a plurality of columns which are abutted against the hairbrush are arranged on the inner surface of the sealing cover, and the sealing cover is detachably arranged on the protective shell. When the electric toothbrush is not needed, the brush can be completely sealed and wrapped by the sealing cover matched with the protective shell, and the cleanness of the brush and other inner surfaces of the brush head is kept. When sealed lid set up in the protective housing, the cylinder is inconsistent with the brush, and this is starter motor, and the relative cylinder of brush takes place rotatoryly, and mutual friction takes place for brush and cylinder to can get rid of dirt and impurity on brush surface, reach and carry out abluent purpose to the brush, have convenient to use, wash characteristics quick, that the cleaning performance is good. In addition, the sealing cover is more convenient for people to carry the electric toothbrush when going out.
The transmission shaft is positioned between the two rotating shafts and is provided with a first gear and a third gear, wherein one rotating shaft is provided with a second gear, the other rotating shaft is provided with a fifth gear, the first gear is meshed with the second gear, the third gear is meshed with the fourth gear, and the fourth gear is meshed with the fifth gear. The gear transmission mechanism consisting of the first gear, the second gear, the third gear, the fourth gear and the fifth gear can enable the two rotating shafts to rotate simultaneously along with the motor, and the two rotating shafts always rotate towards opposite directions. When the first gear and the second gear are the same, and the third gear, the fourth gear and the fifth gear are the same, the rotating speeds of the two rotating shafts are always kept the same.
Fourthly, in the invention, the output shaft of the motor is provided with a blind hole, the lower end of the transmission shaft is provided with a butt joint section, the butt joint section is detachably inserted into the blind hole, and the output shaft is gradually separated from the butt joint section of the transmission shaft in the process of rotatably dismounting the connecting rod and the handle in a threaded connection mode between the connecting rod and the handle; when the electric toothbrush is installed, the butt joint section is aligned to the blind hole of the output shaft, and then the connecting rod and the handle are relatively rotated and assembled, so that the electric toothbrush is convenient and simple to assemble and disassemble; the one end of pivot rotationally sets up in last connecting portion and extends to the installation cavity, and the other end rotationally sets up in the protective housing, and cooperation protective housing and connecting rod detachable characteristics when needing to wash the brush head, can dismantle the protective housing get off, wash the internal surface of protective housing, also the person of facilitating the use washs pivot surface and brush surface after the protective housing is dismantled.
The rotating shaft comprises a shaft core and a sleeve, the sleeve is detachably sleeved outside the shaft core, and the surface of the sleeve is provided with a plurality of brushes. If the brush is worn due to long-time use, the sleeve can be taken down from the shaft core and replaced, and if the surface of the brush is excessively polluted or contaminated, the sleeve can be taken down from the shaft core, so that a user can clean or replace the brush conveniently. Due to the design, other parts of the electric toothbrush and the like can be recycled, and the living cost of a user is reduced.
Sixthly, in the invention, the side wall of one end of the shaft core is provided with an annular flange, the side wall of the other end of the shaft core is provided with at least one concave part, the sleeve is provided with at least one convex point, and when the sleeve is sleeved on the shaft core and is mutually abutted against the annular flange, the convex point is buckled with the concave part. The annular flange, the concave part and the convex points can fix the sleeve on the shaft core, so that the sleeve is prevented from sliding on the shaft core at will, and the convex points are matched with the concave part in a fixing mode, so that a user can conveniently take the sleeve off the shaft core, and the user can replace or clean the sleeve.
Drawings
FIG. 1 is a schematic view of the present invention (not shown).
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a cross-sectional view of the present invention taken along the line a-a in fig. 1.
Fig. 4 is a sectional view of the protective case taken along the direction B-B in fig. 1.
Fig. 5 is an enlarged schematic view of a portion E in fig. 2.
Fig. 6 is an enlarged schematic view of portion F of fig. 2.
Fig. 7 is an enlarged schematic view of portion G of fig. 2.
Fig. 8 is an enlarged schematic view of a portion H in fig. 2.
Fig. 9 is a schematic structural view of the sealing cover.
Fig. 10 is a sectional view of the sealing cap taken along the direction C-C of fig. 9.
Fig. 11 is a cross-sectional view taken along a-a of fig. 1 when the sealing cover is closed with the protective case according to the present invention.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
Referring to fig. 1, 2 and 5, an electric toothbrush includes a handle 1, a connecting rod 2 and a brush head 3 which are connected in sequence. The handle 1 is cylindrical and may take the form of other shapes known for toothbrush handles. The handle 1 is internally provided with a battery a3, a motor a1 and a control circuit a2 which are electrically connected with each other. The surface of the handle 1 is provided with a manipulation button 11. As a preferable scheme: a telescopic charging plug 12 is arranged in the side wall of the handle 1 close to the bottom end, and a shifting lever 13 for shifting the charging plug 12 is arranged at the bottom end of the handle 1. When charging is required, the charging plug 12 is pushed out of the handle 1 by the lever 13, and the charging plug 12 is inserted into the charging hole with the brush head 3 hanging downward to charge the battery a 3. The charging plug 12 can be re-received into the handle 1 after charging is completed.
Referring to fig. 1, 2 and 6, a rotatable transmission shaft 4 is arranged inside the connecting rod 2, the brush head 3 comprises a protective shell 5 detachably connected with the connecting rod 2, the protective shell 5 is in a semi-elliptic cylinder shape, a rotating shaft 6 and a rotating shaft 7 are arranged in the protective shell 5, the rotating shaft 6 and the rotating shaft 7 are parallel to each other, and a plurality of brushes 100 are arranged on the surfaces of the rotating shaft 6 and the rotating shaft 7. As a preferable scheme: the brush 100 may be disposed on the entire surface of the rotating shaft 6, or may be disposed only on the half surface of the rotating shaft 6 exposed outside the protecting shell 5. One end of the transmission shaft 4 is linked with an output shaft a11 of the motor a1, and the other end is linked with the rotating shaft 6 and the rotating shaft 7 through a gear transmission mechanism b. When the motor a1 is started, the rotating shaft 6 and the rotating shaft 7 rotate along with the rotating shaft 6, and the brush 100 on the surface of the rotating shaft 6 and the brush 100 on the surface of the rotating shaft 7 can respectively brush the upper teeth and the lower teeth at the same time, thereby providing the efficiency of brushing teeth.
Referring to fig. 1, 2, 3, 6 and 7, one end of the connecting rod 2 is provided with a lower connecting portion 21 having a tapered shape, and the other end is provided with an upper connecting portion 22 having an elliptical cylindrical shape. Wherein the lower connecting part 21 is detachably arranged on the handle 1 in a threaded connection mode, and the lower end of the protective shell 5 is manually detachably arranged on the upper connecting part 22 in a buckling connection mode. The user can take off the protective shell 5 and clean the inner surface of the protective shell 5 and other hidden parts of the brush head 3.
Referring to fig. 1, 2, 3, 6 and 7, the output shaft a11 of the motor a1 is provided with a polygonal blind hole a111, the lower end of the transmission shaft 4 is provided with an abutting section 41 matched with the blind hole a111, and the abutting section 41 is detachably inserted into the blind hole a 111. Go up connecting portion 22 and be equipped with installation cavity 220, the one end of pivot 6 and pivot 7 all rotationally sets up in last connecting portion 22 and extend to installation cavity 200, and pivot 6 and the corresponding rotationally setting in blind hole 52 and the blind hole 53 of protective housing 5 of the pivot 7 other end.
Referring to fig. 1, 2 and 7, a fourth gear b4 is provided inside the mounting cavity 200 of the upper connecting portion 22, the transmission shaft 4 is located between the rotating shaft 6 and the rotating shaft 7, the transmission shaft 4 is provided with a first gear b1 and a third gear b3, wherein the rotating shaft 7 is provided with a second gear b2, and the rotating shaft 6 is provided with a fifth gear b 5. The first gear b1 intermeshes with the second gear b2, the third gear b3 intermeshes with the fourth gear b4, and the fourth gear b4 intermeshes with the fifth gear b 5. The first gear b1, the second gear b2, the third gear b3, the fourth gear b4 and the fifth gear b5 form a gear transmission mechanism b. Through the linkage of the gear transmission mechanism b, the rotating shaft 6 and the rotating shaft 7 always rotate along with the transmission shaft 4 in a mode of rotating in opposite directions. Therefore, when the motor a1 is started, the rotating shaft 6 and the rotating shaft 7 rotate in opposite directions. The electric toothbrush has different brushing modes, for example: firstly, the motor a1 is controlled by a control program stored in the control circuit a2 to change the rotating direction of the output shaft a11 at intervals of a long time, so that the rotating shaft 6 and the rotating shaft 7 change the rotating direction of the rotating shaft 6 and the rotating shaft 7 after rotating for a plurality of circles, thereby changing the brushing direction of the brush 100 at intervals of a long time and brushing teeth and teeth gaps. Secondly, when the control program stored in the control circuit a2 controls the motor a1 to change the rotating direction of the output shaft a11 at short intervals, the rotating shaft 6 and the rotating shaft 7 rotate back and forth within a small angle range, so that the brush 100 changes the brushing direction at high frequency, and a user can clean stubborn stains in teeth or tooth gaps conveniently. The user can select different brushing modes by operating the button 11.
Referring to fig. 1, 2, 3 and 4, the inner surface of the protective case 5 is provided with a bar-shaped protrusion 51 between the rotation shaft 6 and the rotation shaft 7 so that the inner surface of the protective case 5 forms two semi-cylindrical grooves.
Referring to fig. 1, 2, 3, 7 and 8, the structure of the rotating shaft 6 is the same as that of the rotating shaft 7, taking the rotating shaft 6 as an example: the rotating shaft 6 comprises a shaft core 61 and a sleeve 62, wherein the shaft core 61 is a polygonal cylinder, and preferably: the shaft core 61 is a quadrangular cylinder. The sleeve 62 is provided with a polygonal through hole matched with the shaft core 61, the sleeve 62 is detachably sleeved outside the shaft core, and the surface of the sleeve 62 is provided with a plurality of brushes 100. As a preferable scheme: the side wall of the shaft core 61 near one end of the connecting rod is provided with an annular flange 611, the side wall of the other end of the shaft core is provided with at least one recess 612, the sleeve 62 is provided with at least one protruding point 621, when the sleeve 62 is sleeved on the shaft core 61 and is mutually abutted to the annular flange 611, the protruding point 621 and the recess 612 are just buckled, so that the sleeve 62 is fixed, and the sleeve 62 is prevented from freely sliding on the shaft core 61. When the brush 100 needs to be cleaned or replaced, the protective shell 5 can be detached first, and then the sleeve 62 can be taken off from the shaft core 61 for cleaning or replacement.
Referring to fig. 1, 2, 3, 9, 10 and 11, the electric toothbrush further includes a sealing cover 8 fastened to the protective case 5, the sealing cover 8 is in a semi-elliptic cylindrical shape, and the inner surface of the sealing cover 8 is provided with a plurality of fine cylinders 81 abutting against the brush 100, and the sealing cover 8 is detachably disposed on the protective case 5. As a preferable scheme: the plurality of small columns 81 are arranged into two rectangular matrixes, the two rectangular matrixes form a one-to-one correspondence relationship with the rotating shaft 6 and the rotating shaft 7, the upper end surface of the rectangular matrix corresponding to the rotating shaft 6 is an arc-shaped curved surface with the circle center coinciding with the circle center of the rotating shaft 6, and the upper end surface of the rectangular matrix corresponding to the rotating shaft 7 is an arc-shaped curved surface with the circle center coinciding with the circle center of the rotating shaft 7. When the electric toothbrush is not needed, the sealing cover 8 is buckled on the protective shell 5, so that dust or fine sundries can be prevented from being stuck on the brush 100, and the cleanliness of the brush head 3 can be ensured. When tooth brushing is needed, the sealing cover 8 is removed. When the brush 100 needs to be simply cleaned, the brush 100 can be wetted, the sealing cover 8 is buckled on the protective shell 5, the motor a1 is started, the brush 100 rotates and is mutually scraped with the cylinder 81, and therefore residual dirt and impurities on the surface of the brush 100 are removed.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (7)
1. The utility model provides an electric toothbrush, is including the handle, connecting rod and the brush head that connect gradually, inside battery, motor and the control circuit of being equipped with of handle, its characterized in that: the brush head comprises a protective shell detachably connected with the connecting rod, the protective shell is in a semi-elliptic cylinder shape, two rotating shafts which are parallel to each other and provided with a plurality of hairbrushes on the surfaces are arranged in the protective shell, a rotatable transmission shaft is arranged in the connecting rod, one end of the transmission shaft is linked with an output shaft of the motor, and the other end of the transmission shaft is linked with the two rotating shafts through a gear transmission mechanism; still include one with the sealed lid of protective housing lock, this sealed lid is half elliptic cylinder shape to the internal surface of sealed lid is equipped with the cylinder that complex root and brush are inconsistent: the rotating shaft comprises a shaft core and a sleeve, the shaft core is a polygonal cylinder, the sleeve is provided with a polygonal through hole matched with the shaft core, the sleeve is detachably sleeved outside the shaft core, and the surface of the sleeve is provided with a plurality of hairbrushes; the side wall of one end of the shaft core, which is close to the connecting rod, is provided with an annular flange, the side wall of the other end of the shaft core is provided with at least one concave part, the sleeve is provided with at least one convex point, and when the sleeve is sleeved on the shaft core and is mutually abutted against the annular flange, the convex point is buckled with the concave part; a strip-shaped bulge is arranged between the two rotating shafts on the inner surface of the protective shell, so that two semi-cylindrical grooves are formed on the inner surface of the protective shell; the one end of connecting rod is equipped with and is conical lower connecting portion, and the other end is equipped with and is the last connecting portion of oval cylindricality, lower connecting portion set up in the handle through threaded connection mode detachably, the protective housing sets up in last connecting portion through buckle connected mode detachably.
2. An electric toothbrush according to claim 1, wherein: the output shaft of the motor is provided with a polygonal blind hole, the lower end of the transmission shaft is provided with a butt joint section matched with the blind hole, and the butt joint section is detachably inserted into the blind hole; go up connecting portion and be equipped with the installation cavity, the one end of pivot rotationally sets up in last connecting portion and extends to the installation cavity, and the other end rotationally sets up in the protective housing.
3. An electric toothbrush according to claim 1, wherein: still include the fourth gear, the transmission shaft is located two between the pivot, the transmission shaft is equipped with first gear and third gear, one of them the pivot is equipped with the second gear, and another pivot is equipped with the fifth gear, first gear and second gear intermeshing, third gear and fourth gear intermeshing to fourth gear and fifth gear intermeshing, first gear, second gear, third gear, fourth gear and fifth gear constitute gear drive.
4. An electric toothbrush according to claim 3, wherein: the first gear and the second gear are the same, and the third gear, the fourth gear and the fifth gear are all the same.
5. An electric toothbrush according to claim 1, wherein: the side wall of the handle close to the bottom end is internally provided with a telescopic charging plug, and the bottom end of the handle is provided with a shifting lever for shifting the charging plug.
6. A method of operating an electric toothbrush according to claim 1, wherein: when the electric toothbrush is not needed, the sealing cover is buckled on the protective shell to prevent dust or fine sundries from being stuck on the brush head and ensure the cleanliness of the brush head; when the toothbrush needs to brush teeth, the sealing cover is taken down; when the brush needs to be simply cleaned, the brush is wetted, the sealing cover is buckled on the protective shell and the motor is started, the brush is rotated and is mutually scraped with the cylinder, and therefore residual dirt and impurities on the surface of the brush are removed.
7. A method of operating the electric toothbrush of claim 6, wherein: when the brush head needs to be cleaned, the protective shell is taken down, and the inner surface of the protective shell and the hidden part of the brush head are cleaned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111198.9A CN108309487B (en) | 2016-07-11 | 2016-07-11 | Electric toothbrush and working method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111198.9A CN108309487B (en) | 2016-07-11 | 2016-07-11 | Electric toothbrush and working method thereof |
| CN201610538705.8A CN106037976B (en) | 2016-07-11 | 2016-07-11 | A kind of electric toothbrush |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610538705.8A Division CN106037976B (en) | 2016-07-11 | 2016-07-11 | A kind of electric toothbrush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108309487A CN108309487A (en) | 2018-07-24 |
| CN108309487B true CN108309487B (en) | 2020-08-11 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810111198.9A Active CN108309487B (en) | 2016-07-11 | 2016-07-11 | Electric toothbrush and working method thereof |
| CN201610538705.8A Expired - Fee Related CN106037976B (en) | 2016-07-11 | 2016-07-11 | A kind of electric toothbrush |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610538705.8A Expired - Fee Related CN106037976B (en) | 2016-07-11 | 2016-07-11 | A kind of electric toothbrush |
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| CN (2) | CN108309487B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110279478A (en) * | 2019-06-28 | 2019-09-27 | 杜珍 | A kind of oral cleaning device |
| CN112902424B (en) * | 2021-03-11 | 2022-04-01 | 上海中冉电器有限公司 | Portable dust removal mechanism is used in clearance of domestic central air conditioning |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2489120A1 (en) * | 1980-09-03 | 1982-03-05 | Barcet Louis | Electric tooth-brush with contra-rotating brushes - uses single reversible electric motor driving two cylindrical brushes through gear train to provide contra-rotating brushing |
| CN2209959Y (en) * | 1993-11-22 | 1995-10-18 | 杨志勇 | Motor driven tooth-brush with two brush head placed in an anlgle |
| CN2284606Y (en) * | 1995-08-22 | 1998-06-24 | 马业海 | Two-way rotary brush head changeable electric toothbrush |
| CN2458997Y (en) * | 2001-01-18 | 2001-11-14 | 祝延辉 | Electric health care toothbrush |
| CN1368033A (en) * | 2001-02-01 | 2002-09-11 | 王瑛玮 | Electric tooth-brush |
| CN2538279Y (en) * | 2002-04-16 | 2003-03-05 | 李建新 | Duster for shoe-sole |
| CN2684786Y (en) * | 2004-02-23 | 2005-03-16 | 义乌市康奇塑料制品厂 | Electric toothbrush (CN) |
| CN201333108Y (en) * | 2009-01-08 | 2009-10-28 | 冯小军 | Automatic all-direction toothbrush |
| CN201353218Y (en) * | 2009-02-19 | 2009-12-02 | 康补伟 | Electric toothbrush |
| CN201692083U (en) * | 2010-06-18 | 2011-01-05 | 朱培池 | Double-row rotary toothbrush |
| CN201719402U (en) * | 2010-07-13 | 2011-01-26 | 王雪军 | Electric toothbrush |
| CN103040533A (en) * | 2013-01-24 | 2013-04-17 | 李艳香 | Electric toothbrush |
| CN204080712U (en) * | 2014-09-20 | 2015-01-07 | 河南省黄河防爆起重机有限公司 | A kind of Novel sweeper truck cleaning brush |
| CN204581570U (en) * | 2015-03-25 | 2015-08-26 | 张楚锐 | Half-packaging electric toothbrush |
| CN205994585U (en) * | 2016-07-11 | 2017-03-08 | 南安创源机电科技有限公司 | A kind of electric toothbrush |
-
2016
- 2016-07-11 CN CN201810111198.9A patent/CN108309487B/en active Active
- 2016-07-11 CN CN201610538705.8A patent/CN106037976B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106037976A (en) | 2016-10-26 |
| CN106037976B (en) | 2018-04-03 |
| CN108309487A (en) | 2018-07-24 |
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