CN113197695A - Ultrasonic toothbrush head and ultrasonic toothbrush - Google Patents
Ultrasonic toothbrush head and ultrasonic toothbrush Download PDFInfo
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- CN113197695A CN113197695A CN202110663935.8A CN202110663935A CN113197695A CN 113197695 A CN113197695 A CN 113197695A CN 202110663935 A CN202110663935 A CN 202110663935A CN 113197695 A CN113197695 A CN 113197695A
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- 230000026683 transduction Effects 0.000 claims abstract description 50
- 238000010361 transduction Methods 0.000 claims abstract description 50
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 210000003128 head Anatomy 0.000 abstract description 44
- 210000000214 mouth Anatomy 0.000 abstract description 23
- 239000007788 liquid Substances 0.000 abstract description 13
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 229940034610 toothpaste Drugs 0.000 abstract description 4
- 239000000606 toothpaste Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000036541 health Effects 0.000 description 6
- 238000000554 physical therapy Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 210000004195 gingiva Anatomy 0.000 description 3
- 230000003239 periodontal effect Effects 0.000 description 3
- 208000006558 Dental Calculus Diseases 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000474 nursing effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 235000012431 wafers Nutrition 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 208000003433 Gingival Pocket Diseases 0.000 description 1
- 206010018275 Gingival atrophy Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 201000005562 gingival recession Diseases 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
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- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008467 tissue growth Effects 0.000 description 1
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Classifications
-
- 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
- A61C17/20—Power-driven cleaning or polishing devices using ultrasonics
-
- 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
-
- 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
- A61C17/32—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
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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 is suitable for the technical field of intelligent toothbrushes and provides an ultrasonic toothbrush head and an ultrasonic toothbrush. The ultrasonic toothbrush head comprises a toothbrush head base with a first inner cavity and an ultrasonic energy conversion module used for emitting ultrasonic waves outwards, wherein at least part of the ultrasonic energy conversion module is accommodated in the first inner cavity; the ultrasonic toothbrush head also comprises a plurality of bristle bundles, and the bristle bundles are inserted into one surface of the toothbrush head base on which the ultrasonic transduction module is arranged; the ultrasonic emission direction of the ultrasonic transduction module is consistent with the extending direction of the bristle bundles. According to the ultrasonic toothbrush head and the ultrasonic toothbrush, ultrasonic waves emitted by the ultrasonic transduction module of the ultrasonic toothbrush head can pass through liquid media such as water and liquid toothpaste, so that the ultrasonic energy can be directly transmitted to the oral cavity to clean and nurse oral tissues.
Description
Technical Field
The invention belongs to the technical field of intelligent toothbrushes, and particularly relates to an ultrasonic toothbrush head and an ultrasonic toothbrush.
Background
As the demand for health care of teeth is increasing, ultrasonic toothbrushes having functions of disinfection, sterilization, massage, physical therapy, tissue growth promotion, etc. are more and more popular among consumers in daily life, compared to conventional toothbrushes.
The ultrasonic toothbrush on the market at present mainly transmits ultrasonic energy through the bristle bundle, but the attenuation of the bristle bundle to the ultrasonic is very large, and the effective energy reaching the terminal end of the bristle bundle is very small, so that periodontal germs and impurities in the oral cavity cannot be effectively removed.
Disclosure of Invention
The invention aims to provide an ultrasonic toothbrush head and an ultrasonic toothbrush, and aims to solve the technical problem that ultrasonic energy emitted by the ultrasonic toothbrush in the prior art is greatly weakened.
In order to solve the technical problems, the invention provides an ultrasonic toothbrush head and an ultrasonic toothbrush, which adopt the following technical scheme:
the ultrasonic toothbrush head comprises a toothbrush head base with a first inner cavity and an ultrasonic transduction module used for emitting ultrasonic waves outwards, wherein at least part of the ultrasonic transduction module is accommodated in the first inner cavity; the ultrasonic toothbrush head also comprises a plurality of bristle bundles, and the bristle bundles are inserted into one surface of the toothbrush head base on which the ultrasonic transduction module is arranged; the ultrasonic wave transmitting direction of the ultrasonic wave transduction module is consistent with the extending direction of the bristle bundles.
Optionally, the ultrasonic transduction module includes a first transducer accommodated in the first inner cavity, and the first inner cavity further accommodates a first circuit board electrically connected to the first transducer.
Optionally, the first transducer is a sheet-shaped transducer block, and the sheet-shaped transducer block is arranged along the horizontal direction of the brush head base.
Optionally, a plurality of first through holes are formed in the sheet-shaped transduction block, and the first through holes are arranged at intervals; the first through holes are internally provided with the bristle bundles in a penetrating manner, and the end parts of the bristle bundles penetrate through the first through holes and then are fixed with the brush head base.
Optionally, a surface of the sheet-shaped transducer away from the bottom of the first inner cavity is an emitting surface; the ultrasonic transduction module further comprises a first matching layer used for reducing ultrasonic interface loss, and the first matching layer is attached to the emitting surface of the sheet transduction block.
Optionally, the first transducer is a first strip-shaped transducer block, the length direction of the first strip-shaped transducer block is arranged along the length direction of the brush head base, and the bristle bundle is inserted into the brush head base and located on the side portion of the first strip-shaped transducer block.
Optionally, the first strip-shaped transduction blocks are provided with a plurality of strips, the first strip-shaped transduction blocks extend along the length direction of the brush head base, and the first strip-shaped transduction blocks are arranged at intervals along the width direction of the brush head base.
Optionally, the ultrasonic wave transduction module still includes the second transducer, the second transducer is second strip transduction piece, the length direction of second strip transduction piece is followed the width direction of brushing the first base of head sets up, and is located the one end of first strip transduction piece.
Optionally, each bristle bundle is inserted into the brush head base at intervals, the first transducer is a plurality of vibration elements, and the vibration elements are arranged at intervals between two adjacent bristle bundles.
In order to solve the technical problem, the invention further provides an ultrasonic toothbrush which comprises a handle, wherein one end part of the handle is detachably provided with the ultrasonic toothbrush head.
Compared with the prior art, the ultrasonic toothbrush head and the ultrasonic toothbrush provided by the invention have the following main beneficial effects:
this ultrasonic toothbrush head is mainly through locating the first inner chamber of brush head base with at least part of ultrasonic wave transduction module, have part ultrasonic wave transduction module to locate outside the brush head base and not sheltered from by the brush hair bundle promptly, when using this ultrasonic toothbrush clearance oral cavity, the ultrasonic wave accessible water that the ultrasonic wave transduction module transmitted, liquid medium such as liquid toothpaste, make this ultrasonic energy direct transfer to the oral cavity and clean the nursing to oral cavity tissue, ultrasonic energy can act on oral cavity tissue under the condition that hardly receives the decay promptly, can clear away the germ and the unclean thing of periodontal in the oral cavity effectively, and can play effects such as physiotherapy health care well.
Drawings
FIG. 1 is a longitudinal sectional view of an ultrasonic toothbrush provided in an embodiment of the present invention;
figure 2 is a longitudinal cross-sectional view of an ultrasonic toothbrush head provided in accordance with one embodiment of the present invention;
FIG. 3 is a front view of the first transducer of FIG. 2;
FIG. 4 is a cross-sectional view taken at A-A in FIG. 3;
figure 5 is one of the front views of an ultrasonic toothbrush head provided in accordance with a second embodiment of the present invention;
figure 6 is a second front elevational view of an ultrasonic toothbrush head provided in accordance with a second embodiment of the present invention;
FIG. 7 is a cross-sectional view taken at B-B of FIG. 6;
figure 8 is one of the cross-sectional views of an ultrasonic toothbrush head provided in accordance with a third embodiment of the present invention;
figure 9 is a second cross-sectional view of an ultrasonic toothbrush head provided in accordance with a third embodiment of the present invention.
The reference numbers in the drawings are as follows:
100. an ultrasonic toothbrush head;
1. a brush head base; 11. a first lumen; 12. a first circuit board; 13. a connecting rod;
2. an ultrasonic transduction module; 21. a first transducer; 21a, a sheet-like transduction block; 211a, a first through hole; 21b, a first strip-shaped transduction block; 21c, a vibration element; 22a, a first matching layer; 221a, a second through hole; 22b, a second matching layer; 22c, a third matching layer; 23. a second transducer; 23b, a second strip-shaped transduction block; 24b, a third matching layer; 3. a bundle of bristles;
200. an ultrasonic toothbrush;
4. a handle; 41. a second lumen;
5. a second circuit board; 6. a battery; 7. a transformer; 8. a vibration motor; 81. a motor shaft; 9. a control button; 10. and a charging interface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
It should be noted that the terms of orientation such as left, right, up, down, etc. in the present embodiment are only relative concepts or reference to the normal use state of the product, and should not be considered as limiting.
Referring to figure 1, an ultrasonic toothbrush head 100 is provided according to an embodiment of the present invention, the ultrasonic toothbrush head 100 includes a head base 1 having a first inner cavity 11 and an ultrasonic transducer module 2 for emitting ultrasonic waves outwards, at least a part of the ultrasonic transducer module 2 being accommodated in the first inner cavity 11 of the head base 1, so that a part of the ultrasonic transducer module 2 is exposed outside the head base 1. The ultrasonic toothbrush head 100 also comprises a plurality of bristle bundles 3, and each bristle bundle 3 can be inserted into one surface of the toothbrush head base 1 on which the ultrasonic transducer module 2 is arranged; and, the ultrasonic wave transmitting direction of ultrasonic wave transduction module 2 can be unanimous with the direction that the brush hair restraints stretch out, makes brush hair restraints 3 and the ultrasonic wave cooperation cleaning care oral cavity of ultrasonic wave transduction module 2 transmission. It can be understood that when the ultrasonic toothbrush 200 with the ultrasonic toothbrush head 100 is used for oral cavity cleaning care or health care physical therapy, because part of the ultrasonic transducer module 2 is exposed outside the toothbrush head base 1 and is not shielded by the bristle bundle 3, the ultrasonic wave emitted by the ultrasonic transducer module 3 can be emitted outwards without any obstruction, and the emitted ultrasonic energy is directly transmitted to the oral cavity by taking liquid media such as water, liquid toothpaste and the like as media, and particularly reaches the tooth surface in the oral cavity, so that the adhesion of plaque, tartar and fine tartar and teeth can be loosened, the parasitic reproduction of bacteria in the gingival pocket and hidden parts of the tooth surface can be damaged, meanwhile, the ultrasonic energy reaching the gingival surface in the oral cavity permeates into the inside of the gingiva and acts on cell membranes, the blood circulation is accelerated, the metabolism is promoted, and the inflammation of the gingiva and the bleeding of the gingiva can be inhibited, preventing gingival atrophy, etc.
In summary, compared with the prior art, the ultrasonic toothbrush head 100 has at least the following advantages:
the ultrasonic toothbrush head 100 mainly arranges at least part of the ultrasonic transduction module 2 in the first inner cavity 11 of the toothbrush head base 1, namely, part of the ultrasonic transduction module 2 is arranged outside the toothbrush head base 1 and is not shielded by the bristle bundles 3, when the ultrasonic toothbrush 200 is used for cleaning the oral cavity, the ultrasonic transduction module 2 can emit ultrasonic waves to liquid media such as water, liquid toothpaste and the like, so that the liquid media containing the ultrasonic waves can clean and care the oral tissue, namely, the ultrasonic energy can act on the oral tissue under the condition of almost not being attenuated, periodontal germs and unclean substances in the oral cavity can be effectively removed, and the effects of physiotherapy and health care and the like can be well played; the ultrasonic toothbrush 200 has a simple structure and a simple manufacturing process, is low in production cost and is suitable for mass production.
In some embodiments, as shown in figure 1, a connecting rod may be provided at the end of the brush head base 1 for detachable connection with the handle 4 of the ultrasonic toothbrush 200.
In some embodiments, as shown in fig. 1-2 and 7-8, the ultrasonic transducer module 2 includes a first transducer 21 housed in the brushhead base 1, and the first interior cavity 11 of the brushhead base 1 may also house a first circuit board 12 electrically connected to the first transducer 11. The side of the first transducer 21 facing the protruding direction of the bristle bundle 3 may be defined as a transmitting surface, so that the transmitting surface of the first transducer 21 may be exposed outside the brush head base 1, so as not to be blocked when the transmitting surface of the first transducer 21 transmits ultrasonic waves, and ensure that the ultrasonic energy is not attenuated during the transmission process.
In some embodiments, the frequency range of the first transducer 21 may be 20kHz-20MHz and the ultrasonic power range 10 mW-50W. It is understood that within the above range, the ultrasonic wave emitted by the first transducer 21 can effectively perform cleaning, nursing, physical therapy and health care to the oral cavity without causing damage to the oral cavity tissue.
In some embodiments, the first transducer 21 may be a planar transducer, a focusing transducer, or a horn transducer, among others, depending on the different acoustic field parameters.
Example one
As a first implementation manner of the ultrasonic transducer module 2, as shown in fig. 2 to 4, when the first transducer 21 of the ultrasonic transducer module 2 is configured as a sheet-shaped transducer block 21a, the structure of the ultrasonic transducer module 2 is as follows:
understandably, the sheet-shaped energy conversion block 21a can be embedded in the brush head base 1 in a whole sheet manner, so that the manufacturing process is simpler; and the area of the plate-like transducer block 21a can be close to the area of the brush head base 1, i.e. the plate-like transducer block 21a can have a larger emitting surface.
In some embodiments, a plurality of bristle bundles 3 may be inserted on the head base 1 along the periphery of the sheet-like transducer block 21a so that the emitting surface of the sheet-like transducer block 21a can be completely exposed.
In some embodiments, the sheet-like transducer block 21a may have a plurality of first through holes 211a formed therein, and the plurality of first through holes 211a may be spaced apart from each other to form a multi-hole monolithic transducer; each of the first through holes 211a may have a bristle bundle inserted therein, and the bristle bundle 3 may be fixed to the brush head base 1 after passing through the first through hole 211a of the sheet-shaped transducer block 21a to extend into the first cavity 11 of the brush head base 1, or, the emitting surface of the sheet-shaped transducer block 21a may be exposed in a gap between the bristle bundles 3. When the ultrasonic waves are emitted from the emitting surface of the plate-like transducer block 21a, most of the ultrasonic energy can be transmitted into the oral cavity through the liquid medium attached to the gaps between the bristle bundles 3 or the gaps between the bristles in the bristle bundles 3, and a small part of the ultrasonic energy is directly transmitted from the bristle bundles 3 to the oral tissue touched by the bristle bundles 3.
In some embodiments, the shape of the plate-like transducer block 21a may be set according to the shape of the brush head base 1. For example, if the brush head base 1 is rectangular, the sheet-shaped transducer block 21a may be rectangular corresponding to the brush head base 1; if the brush head base 1 is oval, the sheet-shaped transducer block 21a may be oval corresponding to the brush head base 1.
In some embodiments, the plate transducer block 21a may be a one-piece piezoceramic wafer.
In some embodiments, a surface of the sheet-like transduction block 21a away from the bottom of the first inner cavity 11 of the brush head base 1 can be used as a transmission surface, and the ultrasonic transduction module 2 further includes a first matching layer 22a attached to the transmission surface of the sheet-like transduction block 21a, wherein the first matching layer 22a can be used to reduce ultrasonic interface loss, so as to enhance the coupling strength of the ultrasonic energy and couple more ultrasonic energy into the oral cavity. The first matching layer 22a may be formed with a plurality of second through holes 221a, so that the bristle bundle 3 may be disposed on the sheet-shaped transduction block 21a through the second through hole 221a of the first matching layer 22a, or the bristle bundle 3 may be sequentially inserted into the first inner cavity 11 of the brush head base 1 through the second through hole 221a of the first matching layer 22a and the first through hole 211a of the sheet-shaped transduction block 21a, and inserted into the brush head base 1.
Example two
As a second implementation manner of the ultrasonic transducer module 2, as shown in fig. 5 to 7, when the first transducer 21 of the ultrasonic transducer module 2 is configured as the first strip-shaped transducer block 21b, the structure of the ultrasonic transducer module 2 is specifically as follows:
it can be understood that the area of the first strip-shaped transduction block 21b is smaller than that of the sheet-shaped transduction block 21a, i.e., the ultrasonic energy emitted from the emitting surface of the first strip-shaped transduction block 21b is more concentrated.
In some embodiments, the length direction of the first strip-shaped transducer block 21b may be arranged along the length direction of the brush head base 1, and the bristle bundle 3 may be arranged on the brush head base 1 and located at the side of the first strip-shaped transducer block 21b in the length direction thereof; also, a plurality of bristle bunches 3 may be arranged at intervals along the length direction of the first bar transducer block 21b so that the emitting surface of the first bar transducer block 21b can be exposed in the gaps between the bristle bunches 3. When the emitting surface of the first bar transducer block 21b emits ultrasonic waves, most of the ultrasonic energy can be transmitted into the oral cavity through the liquid medium attached to the gaps between the bristle bundles 3 or the gaps between the bristles in the bristle bundles 3, and a small part of the ultrasonic energy is directly transmitted from the bristle bundles 3 to the oral tissue touched by the bristle bundles 3.
In some embodiments, the ultrasonic transducer module 2 further includes a second matching layer 22b attached to the emitting surface of the first strip-shaped transducer block 21b, and the second matching layer 22b can be used to enhance the coupling strength of the ultrasonic energy so as to couple more ultrasonic energy into the oral cavity.
In some embodiments, the first strip-shaped energy conversion blocks 21b may be provided in plurality, the first strip-shaped energy conversion blocks 21b extend along the length direction of the brush head base 1, and the plurality of first strip-shaped energy conversion blocks 21b may be arranged at intervals along the width direction of the brush head base 1, so that the ultrasonic energy conversion module 2 can emit concentrated and uniform ultrasonic waves, and can better perform the physiotherapy and health care functions of the oral cavity.
In some embodiments, a plurality of bristle bundles 3 may be disposed at intervals between two adjacent first bar-shaped transducer blocks 21b, and the plurality of bristle bundles 3 may be arranged at intervals along the length direction of the first bar-shaped transducer blocks 21 b. Based on this, the outer side of the outermost first strip-shaped transducer block 21b may also be provided with bristle bundles 3.
In some embodiments, the ultrasonic transducer module 2 further comprises a second transducer 23, the second transducer 23 may be a second strip-shaped transducer block 23b, and the ultrasonic energy emitted from the emitting surface of the second strip-shaped transducer block 23b is more concentrated. The length direction of the second strip-shaped transduction block 23b is arranged along the width direction of the brush head base 1, and the second strip-shaped transduction block 23b can be positioned at one end of the first strip-shaped transduction block 21 b. Further, a third matching layer 24b may be attached to the emitting surface of the second strip-shaped transducer block 23b, and the third matching layer 24b may also be used to enhance the coupling strength of the ultrasonic energy so as to couple more ultrasonic energy into the oral cavity.
In some embodiments, the first strip transducer block 21b and the second strip transducer block 23b may be strip piezoelectric ceramic wafers.
EXAMPLE III
As a third implementation manner of the ultrasonic transducer module 2, as shown in fig. 8 and 9, when the first transducer 21 of the ultrasonic transducer module 2 is set as the transducer 21c, the structure of the ultrasonic transducer module 2 is specifically as follows:
in some embodiments, each bristle bundle 3 may be inserted into the brush head base 1 at intervals, a plurality of vibration units 21c are provided, and one vibration unit 21c may be provided at an interval between every two adjacent bristle bundles 3. It can be understood that the emitting surface of the vibration element 21c emits ultrasonic waves, which are superimposed in a conducting medium such as a liquid medium to form a sound field, which has the advantages of good uniformity and flexible parameter selection, and the vibration element 21c is structurally independent from the bristle bundle 3, so that the assembly and production are easy.
In some embodiments, the transducer 21c comprises a piezoelectric patch (not shown). Furthermore, the vibrator 21c further includes an electrode plate (not shown) stacked on the piezoelectric sheet, and the piezoelectric sheet and the electrode plate can be assembled and fixed by a backing (not shown) and a rivet screw (not shown).
In some embodiments, the surface of the brush head base 1 on which the vibration element 21c is disposed may be a plane, a concave surface or a convex surface, and may be designed according to the needs of different users.
It should be noted that, the implementation manners of the ultrasonic transduction module 2 include, but are not limited to, the above three, and all the implementation manners that the ultrasonic waves emitted by the ultrasonic transduction module 2 are directly transmitted to the oral cavity through the liquid medium and clean and care the oral tissue belong to the protection scope of the present invention.
The embodiment of the invention also provides an ultrasonic toothbrush 200, as shown in fig. 1, the ultrasonic toothbrush 200 comprises a handle 4, and one end part of the handle 4 is detachably provided with the ultrasonic toothbrush head 100. Be detachable construction between ultrasonic toothbrush head 100 and the handle 4 to only need change ultrasonic toothbrush head 100 when brush hair bundle 3 uses for a long time or ultrasonic transducer module 2 in ultrasonic toothbrush head 100 damages, reduce user's use cost.
In some embodiments, as shown in fig. 1, the handle 4 may have a second lumen 41, where the second lumen 41 may be provided with a pole piece assembly. The pole core assembly includes a second circuit board 5, a battery 6, a transformer 7, and a vibration motor 8, and the second circuit board 5 may be electrically connected with the first circuit board 12, the battery 6, the transformer 7, and the vibration motor 8. The second circuit board 5 can also be electrically connected with a control button 9 and a charging interface 10.
Further, as shown in fig. 1, the output end of the vibration motor 8 is connected to a motor shaft 81, and the motor shaft 81 can be inserted into the connecting rod 13 to enable the ultrasonic toothbrush head 100 to vibrate when the vibration motor 8 is operated.
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 or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An ultrasonic toothbrush head is characterized by comprising a toothbrush head base with a first inner cavity and an ultrasonic wave transduction module used for emitting ultrasonic waves outwards, wherein at least part of the ultrasonic wave transduction module is accommodated in the first inner cavity; the ultrasonic toothbrush head also comprises a plurality of bristle bundles, and the bristle bundles are inserted into one surface of the toothbrush head base on which the ultrasonic transduction module is arranged; the ultrasonic wave transmitting direction of the ultrasonic wave transduction module is consistent with the extending direction of the bristle bundles.
2. An ultrasonic toothbrush head according to claim 1 wherein the ultrasonic transducer module includes a first transducer received in the first cavity, the first cavity further receiving a first circuit board electrically connected to the first transducer.
3. An ultrasonic toothbrush head according to claim 2 wherein the first transducer is a plate-like transducer block disposed horizontally of the head base.
4. The ultrasonic toothbrush head of claim 3, wherein the plate-shaped transduction block is provided with a plurality of first through holes, and the first through holes are arranged at intervals; the first through holes are internally provided with the bristle bundles in a penetrating manner, and the end parts of the bristle bundles penetrate through the first through holes and then are fixed with the brush head base.
5. An ultrasonic toothbrush head according to claim 3 or claim 4 wherein the face of the plate transducer remote from the base of the first cavity is the emitting face; the ultrasonic transduction module further comprises a first matching layer used for reducing ultrasonic interface loss, and the first matching layer is attached to the emitting surface of the sheet transduction block.
6. An ultrasonic toothbrush head according to claim 2 wherein the first transducer is a first strip transducer block, the length of the first strip transducer block being oriented along the length of the head base, the bristle tufts being inserted into the head base and positioned on the sides of the first strip transducer block.
7. An ultrasonic toothbrush head according to claim 6 wherein a plurality of the first strip transducer blocks extend along the length of the head base and are spaced apart along the width of the head base.
8. An ultrasonic toothbrush head according to claim 6 wherein the ultrasonic transducer module further comprises a second transducer which is a second strip transducer block, the second strip transducer block having a length which is disposed along the width of the toothbrush head base and at one end of the first strip transducer block.
9. An ultrasonic toothbrush head according to claim 2 wherein each of said bristle tufts is spaced apart from and inserted into said head base, said first transducer is a plurality of vibrating elements, and said vibrating elements are disposed one at each of two adjacent spaced apart bristle tufts.
10. An ultrasonic toothbrush comprising a handle, wherein an end of the handle is detachably provided with an ultrasonic toothbrush head according to any one of claims 1 to 9.
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| CN202110663935.8A CN113197695A (en) | 2021-06-16 | 2021-06-16 | Ultrasonic toothbrush head and ultrasonic toothbrush |
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| CN202110663935.8A CN113197695A (en) | 2021-06-16 | 2021-06-16 | Ultrasonic toothbrush head and ultrasonic toothbrush |
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