CN216495774U - Ultrasonic toothbrush - Google Patents

Abstract

The application provides an ultrasonic toothbrush, which comprises a shell, a vibrator arranged in the shell, piezoelectric ceramics connected with the output end of the vibrator, an amplitude transformer connected with one end of the piezoelectric ceramics far away from the vibrator, a control board electrically connected with the vibrator and a battery electrically connected with the control board; the brush also comprises a brush head connected with one end of the amplitude transformer extending out of the shell and brush teeth arranged on the brush head, and the brush head and the brush teeth are integrally formed. When the vibrator drives the piezoelectric ceramic to vibrate, the piezoelectric ceramic can convert vibration energy into ultrasonic energy, and the ultrasonic energy is transmitted to the brush head by the amplitude transformer. Compare and set up alone and arouse the structure that the ultrasonic energy loss between brush head and the brush hair is big in traditional brush head and brush hair, the ultrasonic energy transmission between integrated into one piece's brush head and the brush tooth is effectual, and the ultrasonic energy loss is little, easily with the ultrasonic energy transmission to the brush tooth on, and then improve clean effect.

Description

Ultrasonic toothbrush

Technical Field

The application belongs to the field of toothbrushes, and particularly relates to an ultrasonic toothbrush.

Background

The ultrasonic wave has mechanical effect, cavitation effect, biochemical effect and the like, and due to the effects, the ultrasonic wave has the effects of disinfection, sterilization, tissue growth promotion, cleaning and the like, and is widely used in daily life of people.

Ultrasonic toothbrushes are cleaning implements that utilize ultrasonic energy to clean the oral cavity. However, the current ultrasonic toothbrush has difficulty in transmitting ultrasonic waves to the bristles, resulting in an undesirable cleaning effect of the ultrasonic toothbrush on the oral cavity.

SUMMERY OF THE UTILITY MODEL

An object of an embodiment of the present application is to provide an ultrasonic toothbrush to solve the problems existing in the related art: the ultrasonic toothbrush has a problem in that it is difficult to transmit ultrasonic waves to bristles, resulting in poor cleaning effect.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:

the ultrasonic toothbrush comprises a shell, a vibrator arranged in the shell, piezoelectric ceramics connected with the output end of the vibrator, an amplitude transformer connected with one end, far away from the vibrator, of the piezoelectric ceramics, a control board electrically connected with the vibrator and a battery electrically connected with the control board, wherein the vibrator, the piezoelectric ceramics, the amplitude transformer, the control board and the battery are respectively arranged in the shell, one end, far away from the piezoelectric ceramics, of the amplitude transformer extends out of the shell, and the ultrasonic toothbrush is characterized in that: the ultrasonic toothbrush also comprises a brush head connected with one end of the amplitude transformer extending out of the shell and brush teeth arranged on the brush head, and the brush head and the brush teeth are integrally formed.

With the structure, when the vibrator drives the piezoelectric ceramics to vibrate, the piezoelectric ceramics can convert the vibration energy into ultrasonic energy, and the ultrasonic energy is transmitted to the brush head by the amplitude transformer. Compare in traditional brush head and brush hair and set up alone and cause the big structure of the ultrasonic energy loss between brush head and the brush hair, the ultrasonic energy transmission between integrated into one piece's brush head and the brush tooth is effectual, and the ultrasonic energy loss is little, easily with ultrasonic energy transmission to the brush tooth on, and then improve clean effect.

In one embodiment, the side of the brush head facing the horn is a first plane, and the side of the horn facing the brush head is a second plane attached to the first plane.

According to the structure, the first plane and the second plane have the same smooth flatness, so that the ultrasonic energy transmission efficiency between the amplitude transformer and the brush head is improved.

In one embodiment, the brush head is provided with a mounting part, and the amplitude transformer is provided with a connecting part detachably connected with the mounting part.

The structure can realize the detachable connection of the amplitude transformer and the brush head by the disassembly and assembly of the installation part and the connection part.

In one embodiment, the mounting portion includes an insertion hole, and the connecting portion includes an insertion rod inserted into the insertion hole.

This structure, through the interpolation of inserted bar and jack, can improve the dismouting efficiency between amplitude-changing pole and the brush head.

In one embodiment, the inner circumferential surface of the insertion hole is provided with an internal thread, and the outer circumferential surface of the insertion rod is provided with an external thread in threaded connection with the internal thread.

According to the structure, the inserted rod is connected with the insertion hole through the threads, the connecting strength between the amplitude transformer and the brush head is high, and the attaching degree of the first plane and the second plane is high.

In one embodiment, the width of the teeth decreases from the head in a direction perpendicular to the length of the head.

According to the structure, on one hand, the tip of the brush tooth can be flexible, so that the requirement of softness during cleaning is met; on the other hand, the ultrasonic energy is transmitted from the end with the larger width of the brush teeth to the end with the smaller width, so that the ultrasonic energy transmission efficiency is high, and the cleaning effect is improved.

In one embodiment, the number of the brush teeth is multiple, and the multiple brush teeth are arranged at intervals along the length direction of the brush head.

This structure through setting up a plurality of brush teeth, can increase the conduction area of ultrasonic energy, and then improves the clean area to the oral cavity.

In another embodiment, the number of the brush teeth is multiple, and the multiple brush teeth are arranged at intervals along the direction perpendicular to the length direction of the brush head.

The structure can increase the length of each brush tooth along the length direction of the brush head, thereby increasing the cleaning area of the oral cavity.

In one embodiment, the ultrasonic toothbrush further comprises a scraper knife for removable attachment to the end of the horn extending out of the housing.

With the structure, after the brush head is detached and the scraper knife is replaced, the oral cavity can be cleaned in another mode.

In one embodiment, a charging interface electrically connected with the battery is mounted on the housing.

With the structure, the battery can be charged through the charging interface, so that the ultrasonic toothbrush is convenient to use in a portable mode.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of an ultrasonic toothbrush according to one embodiment of the present application;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic cross-sectional view of FIG. 1;

FIG. 4 is a schematic view of a brush head and brush teeth according to an embodiment of the present disclosure;

FIG. 5 is a schematic view of a brush head and brush teeth according to a second embodiment of the present disclosure;

fig. 6 is a schematic structural view of a shovel blade according to a first embodiment of the present application.

Wherein, in the drawings, the reference numerals are mainly as follows:

1. a housing; 10. an accommodating chamber; 11. a charging interface; 2. a vibrator; 3. an amplitude transformer; 31. a second plane; 32. a connecting portion; 321. inserting a rod; 4. piezoelectric ceramics; 5. a control panel; 6. a battery; 7. a brush head; 71. a first plane; 72. an installation part; 720. a jack; 73. a connecting section; 74. an extension section; 8. brushing teeth; 9. a scraper knife; 90. mounting holes; 91. a third plane.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in 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 present application and are not intended to limit the present application.

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 be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The first embodiment is as follows:

referring to fig. 1 to 3, an ultrasonic toothbrush according to an embodiment of the present invention will now be described. The ultrasonic toothbrush comprises a shell 1, a vibrator 2, an amplitude transformer 3, piezoelectric ceramics 4, a control board 5, a battery 6, a brush head 7 and brush teeth 8. Wherein, the interior of the shell 1 is provided with a containing chamber 10, and the vibrator 2, the amplitude transformer 3, the piezoelectric ceramic 4, the control board 5 and the battery 6 are respectively arranged in the containing chamber 10. As shown in fig. 3, the horn 3, the piezoelectric ceramic 4, the vibrator 2, the control board 5, and the battery 6 may be sequentially disposed at intervals in a direction from the left end to the right end of the housing 1, so that the width of the ultrasonic toothbrush can be reduced while ensuring a sufficient length of the ultrasonic toothbrush. The vibrator 2 can be a vibration motor, and the output end of the vibrator 2 is connected with one end of the piezoelectric ceramic 4, so that the vibrator can be matched with the piezoelectric ceramic 4 to generate ultrasonic energy. One end of the amplitude transformer 3 is connected with the other end of the piezoelectric ceramic 4, the other end of the amplitude transformer 3 extends out of the shell 1, and one end of the amplitude transformer 3 extending out of the shell 1 is connected with the brush head 7. Ultrasonic energy generated by the piezoelectric ceramic 4 can be transmitted to the brush head 7 by the horn 3. A control board 5 is electrically connected to the vibrator 2, the control board 5 being operable to control the vibrator 2. In some embodiments, a switch may be mounted on the housing 1, the switch being electrically connected to the control board 5. The on and off of the vibrator 2 can be controlled through the switch, so that the use of an operator is facilitated. The battery 6 is electrically connected with the control board 5 for supplying power to the entire ultrasonic toothbrush.

The brush head 7 is provided with brush teeth 8, and the brush teeth 8 and the brush head 7 are integrally formed. In the conventional ultrasonic toothbrush, the bristles and the brush head 7 are separately arranged, the bristles are usually made of a wool fabric material, and the ultrasonic energy loss between the brush head 7 and the bristles is large. And this application sets up brush head 7 and brush tooth 8 into integrated into one piece, and the ultrasonic energy transmission between brush head 7 and the brush tooth 8 is effectual, and the ultrasonic energy loss is little, easily with ultrasonic energy transmission to brush tooth 8 on, and then can improve the clean effect to the oral cavity. Wherein, the brush head 7 and the brush teeth 8 are made of plastic materials through one-time compression molding, and the plastic materials can be polyethylene, polypropylene and the like. Through test, the brush head 7 and the brush teeth 8 which are molded integrally by plastic materials have good ultrasonic conduction efficiency. In the application, the resonant frequency range of the vibrator 2 can be 10-500 khz, the power range of the ultrasonic toothbrush can be 0.1-100W, and the oral cavity can be better cleaned through ultrasonic waves, so that the cleaning effect is improved.

In one embodiment, referring to fig. 2 and 4, as one specific implementation of the ultrasonic toothbrush provided in the embodiments of the present application, the side of the brush head 7 facing the horn 3 is a first plane 71, and the side of the horn 3 facing the brush head 7 is a second plane 31 attached to the first plane 71. With this structure, since the horn 3 is made of a metal material and the brush head 7 is made of a plastic material, the first plane 71 and the second plane 31 have the same smooth flatness, thereby contributing to an improvement in the efficiency of the transmission of the ultrasonic energy between the horn 3 and the brush head 7.

In one embodiment, referring to fig. 2 to 4, as a specific implementation of the ultrasonic toothbrush provided in the embodiment of the present application, a mounting portion 72 is provided on the brush head 7, and a connecting portion 32 detachably connected to the mounting portion 72 is provided on the horn 3. Specifically, the brush head 7 has a connecting section 73 connected to the horn 3 and an extending section 74 extending from the end of the connecting section 73 remote from the horn 3 in an upwardly curved manner. The connecting section 73 has a generally cylindrical configuration, and the diameter of the connecting section 73 is the same as the diameter of the horn 3. The brush teeth 8 can be arranged on the extension section 74, and the extension section 74 is obliquely arranged, so that the brush head 7 can extend into the oral cavity, and the cleaning operation is convenient. With the structure, the detachable connection of the brush head 7 and the amplitude transformer 3 can be realized through the detachable connection of the mounting part 72 and the connecting part 32, so that the brush head 7 can be conveniently detached.

In one embodiment, referring to fig. 2 to 4, as an embodiment of the ultrasonic toothbrush provided in the embodiment of the present application, the mounting portion 72 includes a socket 720, and the connecting portion 32 includes a rod 321 inserted into the socket 720. Specifically, the insertion hole 720 may be opened on a side surface of the connecting section 73 facing the horn 3, and a central axis of the insertion hole 720 is collinear with a central axis of the connecting section 73. The inserting rod 321 is arranged on the side surface of the amplitude transformer 3 facing the brush head 7, and the central axis of the inserting rod 321 is collinear with the central axis of the amplitude transformer 3. With the structure, the insertion rod 321 and the insertion hole 720 are matched for insertion, and the brush head 7 and the amplitude transformer 3 are convenient and quick to disassemble and assemble.

In some embodiments, the plunger 321 can also be mounted on the side of the brush head 7 facing the horn 3, in particular on the side of the connecting section 73 facing the horn 3, with the central axis of the plunger 321 being arranged in line with the central axis of the connecting section 73. The insertion hole 720 can also be arranged on the side surface of the amplitude transformer 3 facing the brush head 7, and the central axis of the insertion hole 720 and the central axis of the amplitude transformer 3 are arranged in a collinear way.

In some embodiments, the mounting portion 72 may be a plurality of slots formed in the head 7, and the connecting portion 32 may be a plurality of sockets mounted on the horn 3, the number of slots and sockets being the same. Specifically, a plurality of slots may be formed on the connecting section 73 in a circular array, and a plurality of slots may be distributed on the horn 3 in a circular array. Alternatively, the mounting portion 72 may be a plurality of sockets mounted on the head 7, and the connecting portion 32 may be a plurality of slots opened in the horn 3. Specifically, a plurality of annular socket arrays are distributed on the connecting section 73, and a plurality of slots are opened on the horn 3 in an annular array. Of course, in other embodiments, the configuration of both the mounting portion 72 and the connecting portion 32 can be adjusted to suit the actual needs, i.e., the configuration of the connection between the brush head 7 and the horn 3 is not limited solely.

In one embodiment, as a specific implementation manner of the ultrasonic toothbrush provided in the first embodiment of the present application, an inner circumferential surface of the insertion hole 720 is provided with an inner thread, and an outer circumferential surface of the insertion rod 321 is provided with an outer thread screwed with the inner thread. With the structure, the insertion rod 321 and the insertion hole 720 can be fixedly connected through threads, so that the insertion rod 321 and the insertion hole 720 can be conveniently and quickly disassembled, and the disassembling and assembling efficiency between the brush head 7 and the amplitude transformer 3 can be improved; further, the degree of adhesion between the first plane 71 and the second plane 31 can be increased, and the efficiency of transmission of the ultrasonic energy between the horn 3 and the brush head 7 can be increased.

In one embodiment, referring to fig. 4, as an embodiment of the ultrasonic toothbrush provided in the present application, the width of the teeth 8 gradually decreases from the brush head 7 toward a direction perpendicular to the length direction of the brush head 7. In particular, the width of the end of the teeth 8 adjacent to the head 7 is the largest and the width of the end of the teeth 8 remote from the head 7 is the smallest, i.e. the teeth 8 may be triangular or tapered. On one hand, the structure ensures the rigidity of the bottom of the brush teeth 8 and the flexibility of the tip part, ensures the integral strength of the brush teeth 8 and simultaneously can meet the requirement on the softness of oral cavity cleaning; on the other hand, the ultrasonic energy is transmitted from the end of the brush teeth 8 having a large width to the end having a small width, so that the ultrasonic energy transmission efficiency is high, which contributes to an improvement in the cleaning effect.

In one embodiment, referring to fig. 4, as a specific implementation of the ultrasonic toothbrush provided in the first embodiment of the present application, the number of the brush teeth 8 is multiple, and the multiple brush teeth 8 are arranged at intervals along the length direction of the brush head 7. Specifically, the plurality of brush teeth 8 are all disposed on the extension section 74, and the plurality of brush teeth 8 are disposed in parallel at intervals along the length direction of the extension section 74. This structure through setting up a plurality of brush teeth 8, can increase the conduction area of ultrasonic energy, and then improves the clean area to the oral cavity.

In one embodiment, referring to FIG. 6, as an embodiment of the ultrasonic toothbrush provided by the embodiments of the present application, the ultrasonic toothbrush further comprises a scraper knife 9 for detachable connection with the end of the horn 3 extending out of the housing 1. Specifically, the side of the blade 9 facing the horn 3 is a third plane 91. When the inserting rod 321 is installed on the amplitude transformer 3, the mounting hole 90 for inserting the inserting rod 321 is formed in one side, facing the amplitude transformer 3, of the scraper knife 9, internal threads are formed in the inner peripheral surface of the mounting hole 90, and the inserting rod 321 and the mounting hole 90 can be fixedly connected through threads, so that the detachable connection of the scraper knife 9 and the amplitude transformer 3 can be achieved. After the scraper knife 9 and the amplitude transformer 3 are connected and fixed, the third plane 91 can be tightly attached to the second plane 31, and the transmission efficiency of ultrasonic waves is further improved. With this structure, after the brush head 7 is detached and the scraper knife 9 is replaced, another mode of cleaning treatment can be carried out on the oral cavity.

In one embodiment, the blade 9 may be made of a plastic material, which may be polyethylene, polypropylene, or the like. At present, a household scraper knife and a medical scraper knife are mostly made of metal materials, and the metal scraper knife easily generates stimulating sound when cleaning the oral cavity, so that pain and discomfort of a patient are caused. However, this application adopts plastic materials's spiller 9 to have certain flexibility, can not produce amazing sound during the contact, and patient's acceptance is high.

In one embodiment, referring to fig. 2 and 3, as a specific implementation of the ultrasonic toothbrush provided in the first embodiment of the present application, a charging interface 11 electrically connected to the battery 6 is installed on the housing 1. Specifically, the battery 6 may be a rechargeable power source. With this configuration, the battery 6 can be charged through the charging interface 11, which facilitates portable use of the ultrasonic toothbrush.

Example two:

referring to fig. 5, the second embodiment of the present application is different from the first embodiment in that: the number of the brush teeth 8 is multiple, and the multiple brush teeth 8 are arranged at intervals along the length direction vertical to the brush head 7. Specifically, the plurality of brush teeth 8 are all disposed on the extension section 74, and the plurality of brush teeth 8 are disposed in parallel at intervals along the width direction of the extension section 74, and the length direction of each brush tooth 8 is consistent with the length direction of the extension section 74. With the structure, the length of each brush tooth 8 along the length direction of the brush head 7 can be increased, and further the cleaning area of the oral cavity is increased.

Other structures of the ultrasonic toothbrush provided in the second embodiment of the present application are the same as the corresponding structures of the ultrasonic toothbrush provided in the first embodiment, and are not described in detail herein.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The ultrasonic toothbrush comprises a shell, a vibrator arranged in the shell, piezoelectric ceramics connected with the output end of the vibrator, an amplitude transformer connected with one end, far away from the vibrator, of the piezoelectric ceramics, a control board electrically connected with the vibrator and a battery electrically connected with the control board, wherein the vibrator, the piezoelectric ceramics, the amplitude transformer, the control board and the battery are respectively arranged in the shell, and one end, far away from the piezoelectric ceramics, of the amplitude transformer extends out of the shell, and the ultrasonic toothbrush is characterized in that: the ultrasonic toothbrush also comprises a brush head connected with one end of the amplitude transformer extending out of the shell and brush teeth arranged on the brush head, and the brush head and the brush teeth are integrally formed.

2. An ultrasonic toothbrush according to claim 1, wherein: the side of the brush head facing the amplitude transformer is a first plane, and the side of the amplitude transformer facing the brush head is a second plane attached to the first plane.

3. An ultrasonic toothbrush according to claim 1, wherein: the brush head is provided with an installation part, and the amplitude transformer is provided with a connecting part which is detachably connected with the installation part.

4. An ultrasonic toothbrush according to claim 3, wherein: the installation department includes the jack, connecting portion are including inserting the inserted bar in the jack.

5. An ultrasonic toothbrush according to claim 4, wherein: the inner circumferential surface of the jack is provided with an internal thread, and the outer circumferential surface of the inserted bar is provided with an external thread in threaded connection with the internal thread.

6. An ultrasonic toothbrush according to claim 1, wherein: the width of the brush teeth is gradually reduced from the brush head to the direction vertical to the length direction of the brush head.

7. An ultrasonic toothbrush according to any one of claims 1 to 6, wherein: the quantity of brush tooth is a plurality of, a plurality of brush tooth is along the length direction interval setting of brush head.

8. An ultrasonic toothbrush according to any one of claims 1 to 6, wherein: the brush teeth are arranged in a plurality of numbers and are arranged at intervals along the length direction perpendicular to the brush head.

9. An ultrasonic toothbrush according to any one of claims 1 to 6, wherein: the ultrasonic toothbrush also comprises a scraper knife which is detachably connected with one end of the amplitude transformer extending out of the shell.

10. An ultrasonic toothbrush according to any one of claims 1 to 6, wherein: and a charging interface electrically connected with the battery is arranged on the shell.

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