CN216854923U

CN216854923U - Oral cavity nursing device

Info

Publication number: CN216854923U
Application number: CN202120942632.5U
Authority: CN
Inventors: 王仕洪
Original assignee: Heifeng Zhizao Shenzhen Technology Co Ltd
Current assignee: Heifeng Zhizao Shenzhen Technology Co Ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-07-01
Anticipated expiration: 2031-04-30

Abstract

The utility model provides an oral care device, which comprises a handheld shell, an ultrasonic transducer arranged in the handheld shell, an amplitude transformer in interference fit with the ultrasonic transducer, and a working tip arranged at the end part of the handheld shell and detachably connected with the amplitude transformer, wherein the amplitude transformer is used for transmitting mechanical vibration energy converted by the ultrasonic transducer to the working tip; the amplitude transformer is provided with an amplitude-variation bending angle which is used for enabling the working tip and the hand-held part to form an included angle. According to the utility model, the amplitude-variable bending angle is arranged on the amplitude-variable rod, so that an included angle is formed between the extension line of the working tip and the extension line of the handheld part, and the oral cavity nursing device with the included angle can be used for cleaning teeth with stronger adaptability when in use, so that the oral cavity nursing device can be used for cleaning teeth at two sides of the oral cavity and gaps formed between adjacent teeth better, and the cleaning effect is better.

Description

Oral cavity nursing device

Technical Field

The utility model belongs to the field of personal cleaning equipment, and particularly relates to an oral care device.

Background

Dental calculus, also known as tartar, is commonly present on the surface of teeth at the mouth of salivary glands. Such as lingual surfaces of anterior mandibular teeth, buccal surfaces of posterior maxillary teeth and necks of teeth, and surfaces of teeth where the oral mucosa does not move. Dental calculus begins as milky soft calculus which becomes hard by gradual calcification and is composed of 75% of calcium phosphate, 15% -25% of water, organic matter, manganese phosphate, mineral acid calcium and trace amounts of potassium, sodium and iron, and appears yellow, brown or black.

In general, the dental calculus on the surface of teeth or the root of teeth in the oral cavity is more expensive, and the dentist in the hospital needs to make an appointment in advance, which is inconvenient in terms of time. Because of the large size of the prophy devices used in hospitals, the equipment is complex and not suitable for use as a personal care product in a home setting by the user. In current oral care implement, generally its work point is straight point, has the oral care implement of straight point, is difficult to clean the operation to the tooth inner wall, leads to the tooth clean unclean, and influences user experience.

In the prior art, because the work tip on the existing oral care implement is a linear rigid piece, the work tip is difficult to be matched with teeth positioned at two sides in the oral cavity and gaps positioned between adjacent teeth at work in a better cleaning angle, so that the teeth positioned at a deeper position in the oral cavity and stains between the adjacent teeth are difficult to clean, and further the user experience is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oral care implement, aiming at solving the technical problem that stains on the inner wall of teeth are difficult to clean in the prior art.

The utility model is realized by the following steps:

an oral care implement comprises a handheld shell, an ultrasonic transducer arranged in the handheld shell, an amplitude transformer in interference fit with the ultrasonic transducer, and a working tip arranged at the end part of the handheld shell and detachably connected with the amplitude transformer, wherein the amplitude transformer is used for transmitting mechanical vibration energy converted by the ultrasonic transducer to the working tip, and the handheld shell comprises a handheld part with an inner cavity; the amplitude transformer is provided with an amplitude-variable bending angle for enabling the working tip and the handheld part to form an included angle.

Further, the amplitude bending angle range of the amplitude transformer is 110-170 degrees.

Furthermore, one end of the handheld shell, which is close to the working tip, corresponds to the amplitude transformer and is synchronously bent in an amplitude-variable manner.

Further, the amplitude transformer comprises an assembling part in interference fit with the ultrasonic transducer and a fixing part integrally formed with the assembling part; one end of the fixing part, which is far away from the assembling part, penetrates out of the end part of the handheld shell and is fixedly connected with the working tip; the extending direction of the assembling portion and the extending direction of the fixing portion form an obtuse angle.

Further, the hand-held housing further comprises a working head having an internal cavity, the working tip being located at an end of the working head; the amplitude transformer is arranged in the inner cavity of the working head, and the extending direction and the bending amplitude of the working head are the same as those of the amplitude transformer.

Furthermore, a camera assembly for acquiring real-time image information is arranged in the inner cavity of the working head part;

the camera shooting assembly comprises a camera shooting fixing cylinder, an endoscope and a flexible circuit board, wherein the camera shooting fixing cylinder penetrates through the end part of the working head part facing the working tip, the endoscope is arranged in the camera shooting fixing cylinder, and the flexible circuit board is electrically connected with the endoscope.

Furthermore, a main control module is arranged in the handheld part;

the main control module comprises a wifi mainboard, an ultrasonic mainboard and a battery, wherein the ultrasonic mainboard is electrically connected with the wifi mainboard, and the battery is electrically connected with the ultrasonic mainboard.

Further, the wifi mainboard is electrically connected with a gyroscope.

Furthermore, nanometer waterproof layers are attached to the main control module and the flexible circuit board.

Furthermore, a dustproof and antifogging coating layer is attached to the lens of the endoscope.

The utility model has the beneficial effects that the efficiency of transmitting mechanical vibration energy is effectively improved by the interference fit of the working tip and the amplitude transformer; the working tips are detachably connected with the amplitude transformer, so that the oral cavity nursing device can replace different working tips, and the convenience of replacing different working tips is improved when the oral cavity nursing device aims at different tooth cleaning conditions; through set up the width of cloth angle of buckling on the width of cloth pole that becomes to make there is the contained angle between the extension line of tip and the extension line of handheld portion, and then make the oral care implement accessible have the oral care implement of above-mentioned contained angle when using to carry out the tooth that adaptability is stronger clean, so that the oral care implement carries out the matching of relatively better clean angle with the tooth that is located the oral cavity both sides and the gap that is located between the adjacent tooth, its adaptability is stronger, thereby make clean effect better.

Drawings

FIG. 1 is a schematic view of an oral care implement according to an embodiment of the present invention;

FIG. 2 is an exploded view of an oral care implement according to an embodiment of the present invention;

FIG. 3 is an exploded view of a second oral care implement according to an embodiment of the present invention;

fig. 4 is an exploded view of the working head, camera assembly, horn and tip of an oral care implement according to an embodiment of the present invention.

1. An upper housing;

2. a lower housing;

3. a waterproof rubber ring;

4. a hand-held portion;

5. a working head; 51. a bending section; 52. a connecting portion;

6. a working tip;

7. a wifi main board;

8. an ultrasonic main board;

9. arranging wires;

10. a shockproof silica gel pad;

20. a battery;

30. shock-proof foam;

40. an ultrasonic component; 401. an ultrasonic transducer; 402. an ultrasonic ceramic plate; 403. an amplitude transformer; 404. a fixing ring; 405. a shockproof silica gel sleeve; 406. an assembling portion; 407. a fixed part;

50. a shielding tube;

60. a camera assembly; 601. a camera fixed cylinder; 602. an endoscope; 603. a flexible circuit board.

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 utility model and do not limit the utility model.

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.

As shown in fig. 1 to 3, an oral care implement provided by an embodiment of the present invention includes an upper housing 1 and a lower housing 2 fixed to the upper housing 1 in a clamping manner, a waterproof rubber ring 3 is sleeved at a joint of the upper housing 1 and the lower housing 2, and when the upper housing 1 and the lower housing 2 are spliced, the waterproof rubber ring 3 is squeezed after the upper housing 1 and the lower housing 2 are spliced, so that the waterproof rubber ring 3 is elastically deformed, so as to seal the joint of the upper housing 1 and the lower housing 2, thereby increasing the waterproof performance of the oral care implement; and through the sealing connection of above-mentioned waterproof mode for

last shell

1 and 2 amalgamations back of lower shell are formed with sealed cavity that holds, thereby make the logical cavity that receives of oral care implement realize waterproofly, and then make the electronic component of arranging in the oral care implement realize waterproofly.

A handheld part 4 and a working head part 5 are formed on the upper shell 1 and the lower shell 2 after being spliced, and a working tip 6 is arranged at one end of the working head part 5 far away from the handheld part 4; the hand-held part 4 is a part held by a hand of a user during operation; the working head 5 is from the end where the working tip 6 is mounted to the end connected to the handpiece 4.

As shown in fig. 2 and 3, a main control module (not labeled in the figures) is provided in the hand-held portion 4; the main control module comprises a wifi mainboard 7 and an ultrasonic mainboard 8 electrically connected with the wifi mainboard 7, and nanometer waterproof layers are attached to the wifi mainboard 7 and the ultrasonic mainboard 8, wherein the nanometer waterproof layers are transparent film nanometer coatings, the thickness of the nanometer waterproof layers is 50-800 nanometers, and the nanometer waterproof layers are approximately one thousandth of the diameter of human hair. The low convex surface of nanometer waterproof layer can adsorb gas molecules on every side, forms the stable film air cushion of one deck, has avoided the surface of wifi mainboard 7, the surface of ultrasonic wave mainboard 8, the direct contact of electronic components and parts and the hydrone of paster on wifi mainboard 7 and ultrasonic wave mainboard 8. Form the netted rete of superfine on the surface of wifi mainboard 7 and the surface of ultrasonic wave mainboard 8, effectively reduce the surface of wifi mainboard 7, the surface of ultrasonic wave mainboard 8 and electronic components's surface energy, make the deposit tend to the maximum value at the water droplet contact angle on the surface of wifi mainboard 7 and the surface of ultrasonic wave mainboard 8, the surface of wifi mainboard 7 and the surface of ultrasonic wave mainboard 8 demonstrate stronger super hydrophobic property.

The ultrasonic main board 8 is arranged at one end of the handheld part 4 far away from the working head part 5, and a battery 20 for supplying power to the oral care device is arranged on the ultrasonic main board 8; the ultrasonic wave mainboard 8 is integrated with an anti-interference module (not shown in the figure), thereby effectively reducing the influence of external communication signals on the wireless transmission of the oral care device and reducing the mutual interference of the internal components of the oral care device to a certain extent.

The ultrasonic mainboard 8 is connected with the wifi mainboard 7 through the flat cable 9, and the connectors (not marked in the figure) for the flat cable 9 to be inserted are respectively arranged on the wifi mainboard 7 and the ultrasonic mainboard 8, and the wifi mainboard 7 is far away from the ultrasonic mainboard 8 and is arranged at one end of the handheld part 4.

As shown in fig. 2 and 3, a shockproof silicone pad 10 is arranged between one side of the wifi mainboard 7 facing the lower shell 2 and the lower shell 2, and a hole groove for adapting to an electronic component on the wifi mainboard 7 is formed in one side of the shockproof silicone pad 10 facing the wifi mainboard 7, so that the wifi mainboard 7 can be assembled conveniently, the size of the oral care device is effectively reduced, and the situation that a wirelessly transmitted picture shakes due to external factors of the wifi mainboard 7 can be reduced; the shockproof silica gel pad 10 is arranged in the area of the lower shell body projected from the positive direction of the shockproof silica gel pad 10, and the shockproof silica gel pad 10 is matched with the lower shell body 2.

A battery 20 electrically connected with the ultrasonic mainboard 8 is arranged on one side of the upward shell 1 of the wifi mainboard 7, the battery 20 is a flexible battery 20, and shockproof foam 30 is arranged between the battery 20 and the wifi mainboard 7, so that the battery 2081 and the wifi mainboard 7 are assembled more tightly, the shockproof performance of the wifi mainboard 7 and the battery 2081 is improved, and the influence of external vibration on the wifi mainboard 7 is reduced; the wifi antenna is electrically connected to the wifi main board 7, so that data transmission is performed with the display terminal through the wifi antenna.

Still integrated with the gyroscope (not shown in the figure) on the wifi mainboard 7, wifi mainboard 7 launches the wifi signal and is used for connecting outside display terminal, can transmit the formation of image picture of oral care implement to display terminal after being connected with display terminal, the gyroscope is to rotating, corresponding measurement is done to the action of deflection, can accurate analysis judge user's actual action, can be according to the action, can do corresponding operation to display terminal, the gyroscope detects the shake of oral care implement, pivoted angle, then calculate the distance or the angle that oral care implement needs the compensation according to the angle, make the camera lens show that the image keeps original direction and angle on display terminal, make the user use like this can accurate fixed point operation when having the oral care implement of gyroscope, increase user's comfort level.

As shown in fig. 2 to 4, the working head 5 is provided with an ultrasonic assembly 40 connected to the working tip 6; the ultrasonic assembly 40 comprises an ultrasonic transducer 401, an ultrasonic ceramic plate 402 and a horn 403 which are connected in sequence, wherein the ultrasonic transducer 401 emits high-frequency ultrasonic waves with the frequency of 26kHz to 40kHz and emits low-frequency ultrasonic waves with the frequency of 200Hz to 400Hz, and the low-frequency ultrasonic waves can be used for tooth cleaning similar to a toothbrush.

One end of the shockproof silica gel pad 10, which is far away from the ultrasonic mainboard 8, extends towards the ultrasonic transducer 401 and accommodates the ultrasonic transducer 401 on the shockproof silica gel pad 10 so as to achieve the purpose of damping the ultrasonic transducer 401; the ultrasonic ceramic plate 402 is provided with a data line electrically connected with the ultrasonic mainboard 8, and the data line is sleeved with a shielding tube 50 to reduce the influence of external communication signals and communication signals of internal electronic components on wifi transmission information.

The horn 403 connected with the ultrasonic transducer 401 is bent, wherein one end of the horn 403 far away from the ultrasonic ceramic plate 402 is bent, and the bending angle of the horn 403 ranges from 110 degrees to 170 degrees, and is preferably 120 degrees; wherein the diameter of the horn 403 is 3 mm.

The amplitude transformer 403 is positioned in the working head part 5 and is in interference fit with the ultrasonic transducer 401, so that the loss of mechanical vibration converted by the ultrasonic transducer 401 is reduced, one end of the amplitude transformer 403, which is far away from the ultrasonic ceramic plate 402, penetrates out of the end part of the working head part 5, which is far away from the handheld part 4, and the amplitude transformer 403 penetrates out of the end surface of the working head part 5 and is flush with the end surface of the working head part 5, one end of the working head part 5, which is close to the working tip 6, is bent, and the bending angle is consistent with the bending angle of the amplitude transformer 403, and the extending direction and the bending amplitude of the working head part 5, which is from the joint of the working head part 5 and the handheld part 4 to one end of the working head part 5, which is close to the working tip 6, are consistent with the extending direction and the bending amplitude of the amplitude transformer 403, so as to achieve the synchronous bending of the working head part 5 and the amplitude transformer 403, so that the oral care implement can be matched with the teeth positioned at both sides of the oral cavity and the gaps between the inner walls of the adjacent teeth at a relatively good cleaning angle, it is more adaptable, thereby making the oral care implement clean the teeth.

As a specific example, as shown in fig. 3 and 4, the horn 403 includes a fitting portion 406 and a fixing portion 407 integrally formed with the fitting portion 406; the assembling part 406 is used for being in interference fit with the ultrasonic transducer 401, so that the loss of the mechanical vibration converted by the ultrasonic transducer 401 is reduced by the interference fit of the assembling part 406 and the ultrasonic transducer 401, and the mechanical vibration energy converted by the ultrasonic transducer 401 is better transmitted to the working tip 6 assembled on the horn 403; one end of the fixing part 407, which is far away from the assembling part 406, is fixedly connected with the operating tip 6, an included angle between the extending direction of the assembling part 406 and the extending direction of the fixing part 407 is an obtuse angle, the included angle of the obtuse angle ranges from 110 degrees to 170 degrees, the preferred angle is 120 degrees, and the obtuse angle is consistent with a bending angle formed by bending and setting one end, which is close to the operating tip 6, of the operating head part 5, so that the amplitude transformer 403 formed by combining the assembling part 406 and the fixing part 407 is the same as the bending angle of one end, which is close to the operating tip 6, of the operating head part 5, so that the oral care device can be matched with teeth positioned on two sides of the oral cavity and gaps between inner walls of adjacent teeth at a relatively good cleaning angle, and the adaptability of the oral care device is stronger, and the teeth can be cleaned more cleanly.

Specifically, a fixing ring 404 is arranged at one end of the horn 403 close to the ultrasonic ceramic plate 402, and the fixing ring 404 is snap-fitted to the lower housing 2 to limit the position of the ultrasonic assembly 40 by limiting the position of the horn 403, so as to facilitate the transmission of the mechanical vibration energy converted by the ultrasonic transducer 401; the end of the amplitude transformer 403 penetrating out of the working head part 5 is sleeved with the shockproof silica gel sleeve 405, the shockproof silica gel sleeve 405 penetrates through the end part of the working head part 5, and one end of the amplitude transformer 403 penetrating out of the working head part 5 is fixed on the working head part 5 in an interference fit assembly mode, so that the oral care device can be waterproof during working, and the situation that the amplitude transformer 403 is damaged due to vibration of the oral care device caused by external factors can be effectively reduced; the tip 6 is detachably connected by means of a screw connection to the end of the horn 403 which protrudes through the working head 5, so that the horn 403 transmits the mechanical vibrations converted by the ultrasonic transducer 401 better to the tip 6.

As shown in fig. 2 to 4, the working head 5 includes a bending portion 51 and a connecting portion 52 integrally formed with the bending portion 51, and one end of the connecting portion 52 away from the bending portion 51 is connected to the handheld portion 4, wherein an extending direction from the connecting portion 52 toward the bending portion 51 is consistent with an extending direction of the horn 403, so that a bending angle and a bending direction of the working head 5 are consistent with a bending angle and a bending direction of the horn 403.

The working head part 5 is also internally provided with a camera assembly 60 which is arranged in parallel with the amplitude transformer 403; the camera assembly 60 includes a camera fixing cylinder 601, an endoscope 602, and a flexible circuit board 603; the camera fixing cylinder 601 is arranged in the bending part 51, the camera fixing cylinder 601 is arranged on the end surface of one end, close to the working tip 6, of the working head part 5 in a penetrating manner, wherein the end part of one end, through which the camera fixing cylinder 601 is arranged, of the working head part 5 is flush with the end surface of one end, through which the amplitude transformer 403 is arranged, of the working head part 5, the camera fixing cylinder 601 is arranged coaxially with the endoscope 602, and the camera fixing cylinder 601 is sleeved on the endoscope 602, so that the working tip 6 assembled on the amplitude transformer 403 is parallel to the endoscope 602 assembled in the camera fixing cylinder 601, the shooting direction of the endoscope 602 is parallel to the working direction of the working tip 6, the working area of the working tip 6 assembled on the amplitude transformer 403 after bending is located in the shooting range of the endoscope 602, and the endoscope 602 can collect the working condition of the working tip 6 in real time when the working tip 6 works, when the oral care implement is used by a user, a large operation space is provided for the oral care implement without excessively stressing and opening the mouth, and the operation working condition of the working tip 6 can be completely presented.

One end of the flexible circuit board 603 is connected to the endoscope 602, the other end of the flexible circuit board passes through the connecting portion 52 and is connected to the wifi main board 7, and a nanometer waterproof layer is also attached to the flexible circuit board 603.

The endoscope 602 and the camera fixed cylinder 601 are coaxially arranged, so that after the camera fixed cylinder 601 is fixed, namely, the shooting direction of the endoscope 602 is consistent with the working direction of the working tip 6; the endoscope 602 is provided with a wide-angle lens, so that the shooting range of the endoscope 602 is effectively enlarged, the definition of the working area of the endoscope 602 shooting working tip 6 is improved, a user can control the tooth cleaning process more accurately, and the safety of the tooth cleaning process is improved, wherein the degree of the wide-angle lens is 85-125 degrees, the depth of field of the wide-angle lens reaches 5-100mm, and the whole oral cavity teeth can be seen clearly in a long distance.

In addition, a dustproof and antifogging coating layer is attached to the lens of the endoscope 602, when the endoscope 602 goes deep into the oral cavity, liquid exists in the working environment, so that coating treatment is performed on the lens of the endoscope 602 to effectively reduce the liquid adhesion to the endoscope 602, and further reduce the situation that the real-time image displayed to the display terminal is not clear due to the liquid adhesion, meanwhile, the lens of the endoscope 602 has a dustproof function, on one hand, the situation that human body infection is caused by dust on the endoscope 602 is reduced to the maximum extent, and on the other hand, the definition of the real-time image collected by the endoscope 602 is further improved.

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 utility model, 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

1. An oral care implement characterized in that: the ultrasonic vibration testing device comprises a handheld shell, an ultrasonic transducer arranged in the handheld shell, an amplitude transformer in interference fit with the ultrasonic transducer, and a working tip which is arranged at the end part of the handheld shell and is detachably connected with the amplitude transformer, wherein the amplitude transformer is used for transmitting mechanical vibration energy converted by the ultrasonic transducer to the working tip, and the handheld shell comprises a handheld part with an inner cavity; the amplitude transformer is provided with an amplitude-variable bending angle for enabling the working tip and the handheld part to form an included angle.

2. The oral care implement according to claim 1, wherein: the amplitude-change bending angle range of the amplitude-change rod is 110-170 degrees.

3. The oral care implement according to claim 1, wherein: one end of the handheld shell, which is close to the working tip, corresponds to the amplitude transformer and is synchronously bent in an amplitude-variable manner.

4. The oral care implement according to claim 1, wherein: the amplitude transformer comprises an assembling part in interference fit with the ultrasonic transducer and a fixing part integrally formed with the assembling part; one end of the fixing part, which is far away from the assembling part, penetrates out of the end part of the handheld shell and is fixedly connected with the working tip; the extending direction of the assembling portion and the extending direction of the fixing portion form an obtuse angle.

5. The oral care implement according to any one of claims 1 to 4, wherein: the hand-held housing further comprises a working head having an internal cavity, the working tip being located at an end of the working head; the amplitude transformer is arranged in the inner cavity of the working head, and the extending direction and the bending amplitude of the working head are the same as those of the amplitude transformer.

6. The oral care implement of claim 5, wherein: a camera assembly for acquiring real-time image information is arranged in the inner cavity of the working head;

7. The oral care implement according to claim 6, wherein: a main control module is arranged in the handheld part;

8. The oral care implement according to claim 7, wherein: and the wifi mainboard is electrically connected with a gyroscope.

9. The oral care implement according to claim 7, wherein: nanometer waterproof layers are attached to the main control module and the flexible circuit board.

10. The oral care implement according to claim 6, wherein: the lens of the endoscope is attached with a dustproof and antifogging coating layer.