CN108771571B - Silent electric toothbrush - Google Patents
Silent electric toothbrush Download PDFInfo
- Publication number
- CN108771571B CN108771571B CN201810712705.4A CN201810712705A CN108771571B CN 108771571 B CN108771571 B CN 108771571B CN 201810712705 A CN201810712705 A CN 201810712705A CN 108771571 B CN108771571 B CN 108771571B
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- rod
- adjusting
- groove
- adjusting rod
- 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
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
- A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
- A61C17/3481—Vibrating brush body, e.g. by using eccentric weights
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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
- A61C17/222—Brush body details, e.g. the shape thereof or connection to handle
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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 relates to a mute electric toothbrush, which comprises a brush body and a brush head which is detachably connected; a storage battery and a vibration motor are arranged in the brush body, and a vibration rod of the vibration motor extends out of the end part of the brush body; the brush head comprises bristles and a rod body, an adjusting groove extending along the axis is formed in the axis of the rod body, an adjusting rod is installed in the adjusting groove, and a transmission layer is arranged between the adjusting rod and the adjusting groove; under the adjusting action of the transmission layer, the rod body can rotate relative to the adjusting rod; the end part of the adjusting rod is provided with a transmission groove matched with the vibrating rod; this silence electric toothbrush novel structure, principle are unique, can effectively prevent the neck deformation of buckling of brush head to reduce the noise, reduce the wearing and tearing of brush head specific position, improve electric toothbrush's use experience and life.
Description
Technical Field
The invention relates to a toothbrush, in particular to an electric toothbrush.
Background
The electric toothbrush is a cavity health care nursing appliance, can vibrate rapidly at high frequency, and can deeply clean teeth after decomposing toothpaste into fine foam; compared with the common toothbrush, the toothbrush can more thoroughly remove dental plaque bacteria and reduce oral diseases such as gingivitis, periodontal disease and the like; the existing electric toothbrush adopts a metal rod as a driving shaft, and a brush head is made of materials such as plastics or resin; when the toothbrush is used, the metal rod drives the brush head to vibrate at high frequency, the brush head is stressed in a fixed direction in the process of brushing teeth, the neck of the brush head is bent and deformed in one direction in a long time, the shape of the brush head is not matched with the metal rod any longer, the vibration transmission effect is obviously weakened, meanwhile, the abrasion of the brush head and the metal rod is intensified in the vibration process, and meanwhile, larger noise is generated; therefore, after the existing electric toothbrush is used for a period of time, the problems of bending deformation of the neck part of the toothbrush head, noise increase and the like occur, and the normal use of the electric toothbrush is influenced.
Disclosure of Invention
In order to solve the problems, the mute electric toothbrush provided by the invention is novel in structure and unique in principle, and can effectively prevent the neck of the toothbrush head from being bent and deformed, so that the noise is reduced, the abrasion of the specific position of the toothbrush head is reduced, and the use experience and the service life of the electric toothbrush are improved.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the mute electric toothbrush comprises a brush body and a brush head which is detachably connected; a storage battery and a vibration motor are arranged in the brush body, and a vibration rod of the vibration motor extends out of the end part of the brush body;
the brush head comprises bristles and a rod body, an adjusting groove extending along the axis is formed in the axis of the rod body, an adjusting rod is installed in the adjusting groove, and a transmission layer is arranged between the adjusting rod and the adjusting groove; under the adjusting action of the transmission layer, the rod body can rotate relative to the adjusting rod; and the end part of the adjusting rod is provided with a transmission groove matched with the vibrating rod.
The invention has the beneficial effects that: when the brush head is installed and replaced, the vibrating rod is inserted into the transmission groove; when the toothbrush is used, the vibrating rod transmits high-frequency vibration to the brush bristles through the adjusting rod, the transmission layer and the rod body, so that teeth are deeply cleaned; in the cleaning process, the transmission layer promotes the vibration phase dislocation between the adjusting rod and the adjusting groove, so that the adjusting rod and the adjusting groove vibrate in high frequency relatively, the adjusting groove rotates relatively to the adjusting rod in relative motion, and the brush head rotates relatively to the brush body in a small amplitude when observed from the outside, namely in the tooth brushing process.
In the process of brushing teeth, people can press the bristles to teeth by force, so that the rod body is pressed in a fixed direction, and the rod body is deformed and bent after being used for a long time in the traditional electric toothbrush; in the invention, although the direction of the force applied to the rod body is fixed, the rod body and the adjusting rod move relatively in the using process, so that the direction of the force applied to the adjusting rod changes, the adjusting rod is applied with external force in all directions in the long-term using process, and the bending degrees of the adjusting rod in all directions are the same, so that the adjusting rod in the rod body is always kept in a straight state, and further the support is provided for the external rod body, and the bending of the external rod body is effectively prevented; meanwhile, the mutual pressure between the vibrating rod and the adjusting rod is changed, so that the wearing of the vibrating rod to the adjusting rod in all directions is the same; the situation that the vibrating rod excessively abrades the adjusting rod in a specific direction and further causes untight connection is effectively relieved.
In the invention, the rod body and the adjusting rod move relatively, and the adjusting rod plays a role of supporting the center shaft, so that the rod body sleeved outside is supported, the rod body is effectively prevented from being excessively bent, and the straight state of the rod body is further ensured; meanwhile, the abrasion of the vibrating rod to the adjusting rod can be relieved, and the tight joint of the brush body and the brush head is ensured; therefore, in the using process, the rod body keeps a straight strip shape, the brush head is tightly jointed with the brush body, and the noise is obviously reduced; thereby guaranteeing the service life and the use experience of the electric toothbrush.
Preferably, the end surface of the vibrating rod is oval, and the vibrating rod and the adjusting rod are coaxially arranged; the structure can prevent the relative rotation of the vibrating rod and the adjusting rod, thereby ensuring the high-efficiency transmission of vibration; meanwhile, the structure can reduce the processing difficulty, thereby improving the productivity and reducing the processing cost.
Preferably, the transmission layer comprises convex edges which are rotationally and symmetrically arranged on the circumferential surface of the adjusting rod, and the end sections of the convex edges are wedge-shaped; the transmission layer also comprises twill wool yarns which are rotationally symmetrical and arranged on the inner peripheral wall of the adjusting groove, and the twill wool yarns are obliquely crossed with the adjusting groove in the radial direction; during the use process of the toothbrush, the adjusting rod transmits vibration to the rod body and the bristles to clean the oral cavity, the vibration promotes the adjusting rod to move relative to the rod body, and in the process that the rod body rotates relatively in a small-amplitude high-frequency mode relative to the adjusting rod, because friction forces generated in different directions of reciprocating motion of the convex edges and the twill wool yarns are different, the rod body rotates directionally in a macroscopic mode relative to the adjusting rod.
Preferably, the transmission layer further comprises a silencing barrel made of elastic materials, and the silencing barrel is sleeved outside the adjusting rod; the inner cylinder wall of the silencing cylinder is provided with a groove matched with the convex edge, and the outer cylinder wall of the silencing cylinder is provided with a pushing groove matched with the twill wool; this structure can strengthen the laminating degree of adjusting pole and adjustment tank, and effective noise reduction slows down the degree of wear of twill fine hair simultaneously, improves the life cycle of brush head.
Drawings
Fig. 1 is a longitudinal sectional view schematically illustrating an embodiment of the mute electric toothbrush.
Fig. 2 is a schematic end view of the embodiment shown in fig. 1.
Fig. 3 is a schematic end sectional view of the adjustment lever in the embodiment of fig. 1.
Detailed Description
Example (b):
in the embodiment shown in fig. 1, 2 and 3, the mute electric toothbrush comprises a brush body 1 and a brush head 2 which is detachably connected; a storage battery and a vibration motor are arranged in the brush body 1, and a vibration rod 11 of the vibration motor extends out of the end part of the brush body 1;
the brush head 2 comprises bristles 21 and a rod body 3, an adjusting groove 31 extending along the axis is formed in the axis of the rod body 3, an adjusting rod 4 is installed in the adjusting groove 31, and a transmission layer 5 is arranged between the adjusting rod 4 and the adjusting groove 31;
the transmission layer 5 comprises convex edges 41 which are rotationally and symmetrically arranged on the circumferential surface of the adjusting rod 4, and the end sections of the convex edges 41 are wedge-shaped; the transmission layer 5 further comprises twill wool yarns 311 which are rotationally symmetrical and arranged on the inner peripheral wall of the adjusting groove 31, and the twill wool yarns 311 are obliquely crossed with the adjusting groove 31 in the radial direction; the transmission layer 5 also comprises a silencing barrel 6 made of elastic materials, and the silencing barrel 6 is sleeved outside the adjusting rod 4; the inner cylinder wall of the silencing cylinder 6 is provided with a groove matched with the convex rib 41, and the outer cylinder wall of the silencing cylinder 6 is provided with a pushing groove 61 matched with the twill wool 311;
under the adjusting action of the transmission layer 5, the rod body 3 can rotate relative to the adjusting rod 4; the end part of the adjusting rod 4 is provided with a transmission groove 42 matched with the vibrating rod 11; in this embodiment, the end surface of the vibration rod 11 is elliptical, and the vibration rod 11 is disposed coaxially with the adjustment rod 4.
When the brush head 2 is installed and replaced, the vibrating rod 11 is inserted into the transmission groove 42; when in use, the vibrating rod 11 transmits high-frequency vibration to the brush bristles 21 through the adjusting rod 4, the transmission layer 5 and the rod body 3, so as to deeply clean teeth;
in the high-frequency vibration process, the transmission layer 5 causes the vibration phase between the adjusting rod 4 and the adjusting groove 31 to be staggered, so that the adjusting rod 4 and the adjusting groove 31 vibrate in high frequency relatively; in the process that the rod body 3 rotates relatively to the adjusting rod 4 in a small-amplitude high-frequency mode, the convex edge 41 is clamped in the groove of the silencing barrel 6, and the silencing barrel 6 and the adjusting rod 4 are guaranteed to be relatively static; meanwhile, due to different friction forces generated by the pushing groove 61 and the twill wool 311 in different directions during reciprocating motion, the adjusting groove 31 rotates in one direction relative to the adjusting rod 4 and generates larger resistance compared with the resistance generated during rotation in the opposite direction, so that the rod body 3 rotates in a macro-scale orientation relative to the adjusting rod 4; thus, the brush head 2 is rotated relative to the brush body 1 to a small extent as viewed from the outside, i.e., during brushing.
In the process of brushing teeth, people can press the brush bristles 21 to teeth by force, so that the rod body 3 is pressed in a fixed direction, and the rod body 3 is deformed and bent after being used for a long time in the traditional electric toothbrush; in the invention, the rod body 3 and the adjusting rod 4 move relatively, although the force direction applied to the rod body 3 is fixed, the force direction applied to the adjusting rod 4 changes, so that external force is applied to the adjusting rod 4 in all directions in the long-term use process, and the bending degree of the adjusting rod 4 in all directions is the same, so that the adjusting rod 4 in the rod body 3 is always kept in a straight state, and further the support is provided for the outer rod body 3, and the bending of the outer rod body 3 is effectively prevented; meanwhile, the mutual pressure between the vibrating rod 11 and the adjusting rod 4 is changed, so that the vibrating rod 11 has the same abrasion to the adjusting rod 4 in all directions; the situation that the vibrating rod 11 excessively abrades the adjusting rod 4 in a specific direction and the connection is untight is effectively relieved.
In the invention, the rod body 3 and the adjusting rod 4 move relatively, and the adjusting rod 4 plays a role of supporting a center shaft, so that the rod body 3 sleeved outside is supported, the rod body 3 is effectively prevented from being excessively bent, and the straight state of the rod body 3 is further ensured; meanwhile, the abrasion of the vibrating rod 11 to the adjusting rod 4 can be relieved, and the tight joint of the brush body 1 and the brush head 2 is ensured; therefore, in the using process, the rod body 3 keeps a straight strip shape, the brush head 2 is tightly jointed with the brush body 1, and the noise is obviously reduced; thereby guaranteeing the service life and the use experience of the electric toothbrush.
In addition, in this embodiment, the noise reduction tube 6 made of elastic material can effectively enhance the fitting degree of the adjustment rod 4 and the adjustment groove 31, further reduce noise, and simultaneously reduce the wear degree of the twill pile yarns 311 and improve the service cycle of the brush head 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A mute electric toothbrush comprises a brush body (1) and a brush head (2) which is detachably connected; a storage battery and a vibration motor are arranged in the brush body (1), and a vibration rod (11) of the vibration motor extends out of the end part of the brush body (1); the method is characterized in that: the brush head (2) comprises bristles (21) and a rod body (3), an adjusting groove (31) extending along the axis is formed in the axis of the rod body (3), an adjusting rod (4) is installed in the adjusting groove (31), and a transmission layer (5) is arranged between the adjusting rod (4) and the adjusting groove (31); under the adjusting action of the transmission layer (5), the rod body (3) can rotate in a small range relative to the adjusting rod (4); and a transmission groove (42) matched with the vibrating rod (11) is formed in the end part of the adjusting rod (4).
2. The silent electric toothbrush according to claim 1, wherein: the transmission layer (5) comprises convex ribs (41) which are rotationally and symmetrically arranged on the circumferential surface of the adjusting rod (4), and the end sections of the convex ribs (41) are wedge-shaped; the transmission layer (5) further comprises twill wool yarns (311) which are rotationally symmetrically arranged on the inner peripheral wall of the adjusting groove (31), and the twill wool yarns (311) are radially and obliquely crossed with the adjusting groove (31).
3. The silent electric toothbrush according to claim 2, wherein: the transmission layer (5) further comprises a silencing barrel (6) made of elastic materials, and the silencing barrel (6) is sleeved outside the adjusting rod (4); the inner cylinder wall of the silencing cylinder (6) is provided with a groove matched with the convex rib (41), and the outer cylinder wall of the silencing cylinder (6) is provided with a pushing groove (61) matched with the twill wool (311).
4. The silent electric toothbrush according to claim 1, 2 or 3, wherein: the end face of the vibrating rod (11) is oval, and the vibrating rod (11) and the adjusting rod (4) are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810712705.4A CN108771571B (en) | 2018-07-03 | 2018-07-03 | Silent electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810712705.4A CN108771571B (en) | 2018-07-03 | 2018-07-03 | Silent electric toothbrush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108771571A CN108771571A (en) | 2018-11-09 |
| CN108771571B true CN108771571B (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810712705.4A Active CN108771571B (en) | 2018-07-03 | 2018-07-03 | Silent electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108771571B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3942210A (en) * | 1974-02-07 | 1976-03-09 | Clark Gaylord J | Brush frame and shell |
| CN101775964A (en) * | 2010-01-27 | 2010-07-14 | 中国石油大学(华东) | Auto-rotation centralizer with dynamic pressure lubricating effect |
| CN105411713A (en) * | 2015-11-25 | 2016-03-23 | 上海携福电器有限公司 | Reciprocating rotation head assembly used for electric cleaning tool |
| CN205107939U (en) * | 2015-09-28 | 2016-03-30 | 陈浩骏 | Electric toothbrush |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3615693B2 (en) * | 2000-07-28 | 2005-02-02 | 青山 芳博 | Toothbrush brush head |
-
2018
- 2018-07-03 CN CN201810712705.4A patent/CN108771571B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3942210A (en) * | 1974-02-07 | 1976-03-09 | Clark Gaylord J | Brush frame and shell |
| CN101775964A (en) * | 2010-01-27 | 2010-07-14 | 中国石油大学(华东) | Auto-rotation centralizer with dynamic pressure lubricating effect |
| CN205107939U (en) * | 2015-09-28 | 2016-03-30 | 陈浩骏 | Electric toothbrush |
| CN105411713A (en) * | 2015-11-25 | 2016-03-23 | 上海携福电器有限公司 | Reciprocating rotation head assembly used for electric cleaning tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108771571A (en) | 2018-11-09 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ye Ming Inventor after: Fan Yonghao Inventor before: Fan Yonghao |
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| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210311 Address after: Room 101, building 1, No.30, wulianlianxing Road, Fenggang town, Dongguan City, Guangdong Province, 523000 Applicant after: Guangdong ronghua Intelligent Technology Co.,Ltd. Address before: 215000 room 2107, Wuzhong shopping center, 388 Dong Wu Road, Suzhou, Jiangsu Applicant before: Fan Yonghao |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |