CN216257573U - Hollow rotary electric toothbrush with replaceable brush head - Google Patents

Abstract

The utility model discloses a hollow rotary electric toothbrush with a replaceable brush head, belonging to the technical field of electric toothbrushes, comprising a toothbrush body and an insertion part arranged on the toothbrush body, wherein the electric toothbrush also comprises: an endoscope lens provided on the insertion portion; the endoscope camera lens comprises a transmission gear which is rotatably arranged, wherein a hollow through hole is formed in the transmission gear, and the endoscope camera lens collects images through the hollow through hole; the driving mechanism drives the transmission gear to rotate and limit the transmission gear; the brush head is rotatably arranged and is in transmission connection with the transmission gear, and the brush head faces to one side where the image is collected by the endoscope lens, so that the condition of each tooth in the oral cavity of a user can be seen, and the purpose of accurately and thoroughly cleaning dental plaque, dental calculus, pigmentation and food residues on each tooth is achieved.

Description

Hollow rotary electric toothbrush with replaceable brush head

Technical Field

The utility model belongs to the technical field of electric toothbrushes, and particularly relates to a hollow rotary electric toothbrush with a replaceable brush head.

Background

When a user brushes teeth through a normal manual or electric toothbrush, the user cannot see the conditions in the mouth of the user, particularly food residues are easily generated between teeth and gums, and therefore dental plaque is easier to multiply, so that the problems of gingivitis, periodontitis, dental caries and the like are caused. At present, the condition of each tooth in the oral cavity of a user cannot be seen by a toothbrush used by people, so that dental plaque, dental calculus, pigmentation and food residues on each tooth cannot be accurately and thoroughly cleaned.

How to accurately position food residues and dental plaques around each tooth during tooth brushing and thoroughly clean each tooth remains an urgent technical problem to be solved by the electric toothbrush and is also an important factor for promoting the continuous progress of the technical development of the electric toothbrush.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a hollow rotary electric toothbrush with replaceable brush head to clean each tooth in its mouth accurately and thoroughly, so as to solve the above problems.

The technical scheme adopted by the utility model is as follows: a hollow rotary electric toothbrush with a replaceable brush head, comprising a toothbrush body and an insertion part arranged on the toothbrush body, the electric toothbrush further comprises:

an endoscope lens provided on the insertion portion;

the endoscope camera lens comprises a transmission gear which is rotatably arranged, wherein a hollow through hole is formed in the transmission gear, and the endoscope camera lens collects images through the hollow through hole;

the driving mechanism drives the transmission gear to rotate and limit the transmission gear;

the brush head is rotatably arranged and is in transmission connection with the transmission gear, and the brush head faces to one side of the endoscope lens where the image is collected.

Further, the insertion part comprises an insertion body and a detachable brush head shell, and the end part of the insertion body is provided with the endoscope lens; the end part of the brush head shell is sleeved outside the endoscope lens, and a rotating cavity which is respectively matched with the transmission gear and the brush head is arranged inside the brush head shell so as to realize the quick assembly and disassembly of the product in the actual application.

Furthermore, the outside of the transmission gear is provided with at least one annular notch, one side of the annular notch is provided with a transmission tooth A, and the transmission tooth A is in transmission connection with the driving mechanism and/or the brush head;

under the action of the transmission gear, the power transmission function and the good limiting function can be realized for the brush head.

Furthermore, an annular notch is formed in the outer part of the transmission gear, and one side, where the A transmission teeth are located, in the annular notch is close to or far away from the endoscope lens and is in transmission connection with the driving mechanism and the brush head through the A transmission teeth;

by adopting the structural arrangement mode, the overall structure of the device is more compact.

Furthermore, two annular notches which are arranged in parallel are arranged outside the transmission gear, the same side or different sides in each annular notch are respectively provided with the A transmission teeth, and the A transmission teeth are respectively in transmission connection with the driving mechanism and the brush head;

by adopting the structural arrangement mode, one annular notch of the transmission gear corresponds to the rotary bearing, and the other annular notch corresponds to the brush head, so that the reliability is higher and the realization is easy in power transmission.

Further, the brush head includes gear spare and is equipped with the brush head on this gear spare, gear spare with annular notch phase-match, and one side of gear spare is equipped with the B driving tooth that meshes with A driving tooth mutually to ensure this brush head when rotary motion, possess good stability.

Furthermore, the brush head is set to be a gap brush head, a polishing cup brush head, a plane brush head and a silica gel brush head so as to meet different functional requirements of a user on the brush head.

Furthermore, the gear piece is arranged in parallel or obliquely relative to the transmission gear, if the gear piece is arranged obliquely, an auxiliary rotating shaft is arranged at one end of the gear piece, and the auxiliary rotating shaft is rotatably arranged in the transmission cavity corresponding to the brush head, so that the mounting mode of the brush head can be flexibly changed.

Furthermore, the driving mechanism comprises a rotating bearing and a motor, an output shaft of the motor is in transmission connection with the rotating bearing, and the other end of the rotating bearing is provided with a C transmission gear which is embedded into the annular notch and meshed with the A transmission gear; so as to achieve the effects of convenient assembly and stable power transmission.

Furthermore, the brush head shell is provided with an assembly through hole, the rotating bearing is sleeved in the assembly through hole, one end of the rotating bearing is sleeved with a retention plug, and the retention plug is assembled in the assembly through hole; so as to realize stable installation of the rotating bearing.

The utility model has the beneficial effects that:

1. the hollow rotary electric toothbrush with the replaceable brush head, disclosed by the utility model, drives the transmission gear to rotate and is linked with the brush head to rotate by the transmission gear under the action of the driving mechanism, and simultaneously, because the transmission gear is internally provided with the hollow through hole for the endoscope lens to acquire images, the image information of the current cleaning part can be acquired by the oral endoscope lens in real time through the hollow through hole, and the collected image is transmitted back to a display device such as a mobile phone, so that food residues and dental plaque remained on the teeth and the gums in the oral cavity can be accurately cleaned visually under the visual image, particularly, after the dental plaque indicating liquid is smeared on the marked dental plaque position, the electric toothbrush can be more accurately and thoroughly removed under visualization, the structural design of the whole electric toothbrush is simple, the installation process is convenient and fast, and the electric toothbrush has wide popularization value.

Drawings

FIG. 1 is a schematic view of the entire structure of a hollow rotary electric toothbrush of the present invention with a replaceable brush head in embodiment 1;

FIG. 2 is a schematic diagram of the disassembled structure of FIG. 1;

FIG. 3 is a schematic view of the construction of the brush head of FIG. 1 employing a prophy angle;

figure 4 is a schematic view of the structure of figure 1 employing a planar toothbrush head;

FIG. 5 is a schematic view of the structure of the brush head of FIG. 1 using silicone;

FIG. 6 is a schematic view of the overall structure of another arrangement of the disclosed hollow rotary electric toothbrush with replaceable brush head in embodiment 1;

FIG. 7 is a schematic illustration of the disassembled structure of FIG. 6;

FIG. 8 is a schematic view of the construction of the brush head of FIG. 6 using a prophy angle;

figure 9 is a schematic view of the structure of figure 6 employing a planar toothbrush head;

FIG. 10 is a schematic view of the structure of the brush head of FIG. 6 using silicone;

FIG. 11 is a schematic view showing the overall structure of a hollow rotary electric toothbrush of the present invention with a replaceable brush head in embodiment 2;

FIG. 12 is a schematic illustration of the disassembled structure of FIG. 11;

FIG. 13 is a schematic view of the construction of the brush head of FIG. 11 utilizing a prophy angle;

figure 14 is a schematic view of the structure of figure 11 employing a planar toothbrush head;

FIG. 15 is a schematic view of the structure of the brush head of FIG. 11 using silicone;

FIG. 16 is a schematic overall view of an alternative arrangement of the disclosed hollow rotary electric toothbrush with replaceable brush heads in embodiment 2;

FIG. 17 is a schematic illustration of the disassembled structure of FIG. 16;

FIG. 18 is a schematic view of the construction of the brush head of FIG. 16 utilizing a prophy angle;

figure 19 is a schematic view of the structure of figure 16 employing a planar toothbrush head;

FIG. 20 is a schematic view of the structure of FIG. 16 using a silicone brush head;

FIG. 21 is a schematic view showing the overall structure of a hollow rotary electric toothbrush of the present invention with a replaceable brush head in embodiment 3;

FIG. 22 is a schematic illustration of the disassembled structure of FIG. 21;

FIG. 23 is a schematic view of the entire structure of the hollow rotary electric toothbrush of the present invention with a replaceable brush head in embodiment 3;

FIG. 24 is a schematic illustration of the disassembled structure of FIG. 23;

FIG. 25 is a schematic view of a structure in which a polishing cup brush head is used in example 3;

figure 26 is a schematic view of a construction employing a planar toothbrush head of example 3;

FIG. 27 is a schematic view of a structure in which a silicone brush head is used in example 3;

the drawings are labeled as follows:

1-a rotary bearing, 2-a brush head shell, 3-a motor, 4-a hollow gear, 5-a gap brush head, 6-a polishing cup brush head, 7-a plane brush head, 8-a silica gel brush head, 9-a retention plug, 10-a toothbrush body, 11-an insertion body, 12-an endoscope lens, 13-A transmission teeth, 14-B transmission teeth and 15-C transmission teeth.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that: in the description of the embodiments of the present invention, it should be further noted that the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases by those skilled in the art; the drawings in the embodiments are used for clearly and completely describing the technical scheme in the embodiments of the utility model, and obviously, the described embodiments are a part of the embodiments of the utility model, but not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Example 1

In order to realize accurate visual cleaning of food residues and dental plaques remained on the gums of the teeth in the oral cavity under the visual image. In the embodiment, a hollow rotary electric toothbrush with a replaceable brush head is provided, which mainly needs to be applied to an endoscope, which is the prior art, wherein an endoscope lens 12 of the endoscope is mounted on the end part of an insertion part, and after the insertion part is inserted into the oral cavity of a user, the direction of the acquired image of the endoscope lens 12 is aligned with the oral cavity of the user, so as to perform real-time view finding on the oral cavity of the user through the endoscope lens 12. The endoscope also comprises an MCU, a displacement information acquisition module and a signal transmission module which are arranged in the toothbrush body 10, and the camera shooting unit, the displacement information acquisition module and the signal transmission module are respectively connected with the MCU. The working principle is as follows:

the endoscope lens 12 collects images in the oral cavity, transmits the images to software or a computer on mobile phone equipment through a signal transmission module, can be used for sorting, storing, calling and displaying, and can be matched with a hairbrush to thoroughly clean the residual food after accurately positioning the residual food.

As shown in fig. 1 to 10, the hollow rotary electric toothbrush with replaceable brush head provided in this embodiment mainly includes a toothbrush body 10 and an insertion portion provided on the toothbrush body 10, and the toothbrush body 10 is mainly used for being held and used by a user.

An endoscope lens 12 is attached to the insertion portion, and the endoscope lens 12 is inserted into the oral cavity of the user to perform live view. The design of the insertion part comprises an insertion body 11 which is integrally formed with the toothbrush body 10 and a detachable brush head shell 2, wherein the end part of the insertion body 11 is provided with the endoscope lens 12; one end of the brush head housing 2 is sleeved outside the endoscope lens 12, the other end is mounted on the toothbrush body 10, and the rear side of the brush head housing 2 abuts against the side of the insertion body 11. The inside of the brush head shell 2 is provided with a rotating cavity which is respectively matched with the transmission gear and the brush head, when in actual application, the inside of the brush head shell 2 is provided with a shared rotating cavity, the transmission gear and the brush head are both arranged in the rotating cavity, and the transmission gear and the brush head can normally rotate.

In order to meet the functional requirements of the transmission gear, the transmission gear should be rotatably arranged, meanwhile, a hollow through hole needs to be formed in the transmission gear, and the endoscope lens 12 collects images through the hollow through hole. For the rotation setting of the transmission gear, in order to improve the stability of the rotation of the transmission gear, a through hole matched with the transmission gear is formed in the brush head shell 2, when the brush head shell is installed, the transmission gear penetrates through the through hole and then is sleeved outside the endoscope lens 12, so that when the transmission gear rotates, the transmission gear cannot interfere with the endoscope lens 12, and meanwhile, the hollow through hole of the transmission gear can meet the requirement of the endoscope lens 12 on image acquisition.

In order to realize the functions, at least one annular notch is formed in the outer portion of the transmission gear, an A transmission tooth 13 is arranged on one side of the annular notch, and the A transmission tooth 13 is in transmission connection with the driving mechanism and/or the brush head. Under the matching action of the annular notch and the driving mechanism and/or the brush head, the transmission gear can be transmitted to rotate, and the limiting effect of the transmission gear can be met.

In order to drive the transmission gear to normally work, a driving mechanism is further arranged, and the driving mechanism drives the transmission gear to rotate and limit the transmission gear. The advantage of this actuating mechanism design lies in, it not only can drive the transmission gear and make rotary motion, can also make good limiting displacement to transmission gear when rotary motion to it. In practical application, this actuating mechanism includes swivel bearing 1 and motor 3, motor 3 adorns in toothbrush body 10 and motor 3's output shaft stretches out to the outside, is connected motor 3's output shaft and the transmission of swivel bearing 1 (this connected mode has a variety, can adopt current conventional cup joint to be connected, no longer repeated here), is equipped with C driving tooth 15 at swivel bearing 1's the other end, stretches into swivel bearing 1 to the inside back of annular groove mouth, makes C driving tooth 15 imbed to in the annular groove mouth and can with A driving tooth 13 meshes mutually, and then, can realize the transmission between swivel bearing 1 and the A driving tooth 13. In order to realize the installation of the rotating bearing 1, an assembly through hole is arranged in the brush head shell 2, the rotating bearing 1 is sleeved in the assembly through hole, one end of the rotating bearing 1 is sleeved with a retention plug 9, the retention plug 9 is assembled in the assembly through hole, so that the rotating bearing 1 can normally rotate in the assembly through hole through the fixation plug, a certain retention effect can be achieved on the rotating bearing 1, and the rotating bearing is prevented from loosening or even falling off in the operation process.

The multifunctional oral cleaning brush also comprises an important part for cleaning the oral cavity of a user, namely a brush head which is arranged in a rotating mode, the brush head is in transmission connection with the transmission gear, and the brush head faces to one side of the endoscope lens 12 where images are collected. In practical application, specifically, the brush head includes gear spare and is equipped with the brush head on this gear spare, gear spare with annular notch phase-match, gear spare can imbed partly to annular notch in, and make one side of gear spare be equipped with A driving tooth 13 engaged with B driving tooth 14 mutually.

In order to further meet the function richness of the electric toothbrush, the brush head is selected to be a gap brush head 5, a polishing cup brush head 6, a plane brush head 7 and a silica gel brush head 8. The gap brush head 5 is an important cleaning tool in daily maintenance of the oral cavity, and is also called as a tooth gap brush. However, not everyone needs to use the tool. If alveolar bone resorption and gingival atrophy caused by periodontal disease cause enlargement of the interproximal space, or interproximal space caused by physiological gingival atrophy of the elderly, it is a good time to use the interproximal brush. The polishing cup brush head 6 is mainly used for polishing teeth, different teeth positions are polished by different polishing brushes, and after the teeth are polished, the teeth become white and flawless, and meanwhile, infection of bacteria to the teeth is reduced, and the effect of protecting the teeth is achieved. The plane toothbrush head 7 can effectively remove food residues, dental plaque, dental calculus and the like without damaging teeth and gums, and meanwhile, the plane toothbrush is stressed uniformly, so that all surfaces of the teeth can be cleaned flexibly and conveniently as long as the brush head is selected to be smaller. The silica gel brush head 8 has the characteristics of no oxidation, no degradation and no deformation, and can promote the blood circulation of gum tissues.

In practical application, an annular notch is formed outside the transmission gear, as shown in fig. 2, one side of the annular notch where the a transmission tooth 13 is located is close to the endoscope lens 12 and is in transmission connection with the driving mechanism and the brush head through the a transmission tooth 13, or, as shown in fig. 7, one side of the annular notch where the a transmission tooth 13 is located is far away from the endoscope lens 12 and is also in transmission connection with the driving mechanism and the brush head through the a transmission tooth 13. Specifically, a gear piece of the brush head is arranged in parallel relative to the transmission gear, and a B transmission gear 14 meshed with the A transmission gear 13 is arranged on one side of the gear piece close to the endoscope lens 12; the rotary bearing 1 in the driving mechanism is vertically arranged relative to the transmission gear, and the end part of the rotary bearing 1 is provided with a C transmission gear 15 meshed with the A transmission gear 13.

In this embodiment, a detachable brush head housing 2 is adopted, which also has good assemblability, and the specific assembly process is as follows:

firstly, assembling and meshing a gear piece of the brush head with an annular notch of a transmission bearing, then, after the assembly, integrally installing the brush head into a rotating cavity, then, inserting the rotary bearing 1 into an assembly through hole, and enabling a C transmission tooth 15 at the end part of the rotary bearing 1 to extend into a corresponding annular notch on the transmission bearing, wherein the C transmission tooth 15 is meshed with an A transmission tooth 13;

and then the assembled brush head shell 2 is integrally installed on the toothbrush body 10, the end part of the rotary bearing 1 is assembled and connected on the output shaft of the motor 3, and meanwhile, the convex endoscope lens 12 inserted into the body 11 is sleeved into the hollow through hole of the transmission gear under the action of external force, so that the integral assembly is completed.

Example 2

In embodiment 1, specifically, a hollow rotary electric toothbrush with replaceable brush head is provided, in which a transmission gear performs power transmission by using a single annular notch, and in this embodiment, as shown in fig. 11 to 20, unlike embodiment 1, two annular notches are provided in parallel at the outside of the transmission gear, and the same side or different sides in each annular notch are respectively provided with the a transmission teeth 13, and are respectively in transmission connection with the driving mechanism and the brush head through each a transmission tooth 13. Specifically, as shown in fig. 12, both the a transmission teeth 13 are disposed on the left sides of the two annular notches, or both the a transmission teeth 13 may be disposed on the right sides of the two annular notches (as shown in fig. 17), or the two a transmission teeth 13 may be disposed on the left side of one annular notch and the right side of the other annular notch, respectively.

In this embodiment, the brush head is arranged in the rotation chamber parallel to the axis of the transmission gear, and the gear member of the brush head engages with the a-teeth 13 in the annular notch remote from the endoscope lens 12, while the rotary bearing 1 engages with the a-teeth 13 in the annular notch close to the endoscope lens 12.

In this embodiment, the working principle and the assembly method related to the hollow rotary electric toothbrush provided by the embodiment will not be described in detail.

Example 3

In the above embodiments 1 and 2, the brush head is arranged in parallel to the transmission gear, but in this embodiment, the brush head is arranged obliquely, and the extension line of the oblique direction of the brush head should intersect with the midline of the endoscope lens 12, so as to ensure that the tip of the brush head can be observed in the viewing area of the endoscope lens 12, and the inside of the oral cavity can be cleaned by matching with the brush head.

In this embodiment, as shown in fig. 21-27, the brush head is disposed in the rotation cavity in an inclined manner, in order to further improve the stability and reliability of the operation of the brush head, an auxiliary rotating shaft is disposed at one end of the gear member, the auxiliary rotating shaft is rotatably disposed in the transmission cavity corresponding to the brush head, meanwhile, the a transmission teeth 13 and the B transmission teeth 14 are engaged by using bevel gears, after the B transmission teeth 14 are engaged with the a transmission teeth 13, the transmission gear can limit the gear member well, and at the same time, with the help of the auxiliary rotating shaft, the gear member of the brush head can rotate freely and flexibly relative to the brush head housing 2.

The utility model is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.

Claims (9)

1. A hollow rotary electric toothbrush with a replaceable brush head, comprising a toothbrush body (10) and an insertion part arranged on the toothbrush body (10), characterized in that the electric toothbrush further comprises:

an endoscope lens (12) provided on the insertion section;

the endoscope camera lens comprises a transmission gear which is rotatably arranged, wherein a hollow through hole is formed in the transmission gear, and the endoscope camera lens (12) collects images through the hollow through hole;

the driving mechanism drives the transmission gear to rotate and limit the transmission gear;

the brush head is rotationally arranged and is in transmission connection with the transmission gear, and the brush head faces to one side of the endoscope lens (12) where the image is collected;

the insertion part comprises an insertion body (11) and a detachable brush head shell (2), and the end part of the insertion body (11) is provided with the endoscope lens (12); the end part of the brush head shell (2) is sleeved outside the endoscope lens (12), and a rotating cavity respectively matched with the transmission gear and the brush head is arranged inside the brush head shell (2).

2. The hollow rotary electric toothbrush with replaceable brush head according to claim 1, wherein the transmission gear is externally provided with at least one annular notch, and one side of the annular notch is provided with a transmission A tooth (13), and the transmission A tooth (13) is in transmission connection with the driving mechanism and/or the brush head.

3. The hollow rotary electric toothbrush with replaceable brush head according to claim 2, wherein the outside of the transmission gear is provided with an annular notch, and the side of the A transmission tooth (13) in the annular notch is close to or far away from the endoscope lens (12), and is in transmission connection with the driving mechanism and the brush head through the A transmission tooth (13).

4. The hollow rotary electric toothbrush with the replaceable brush head according to claim 2, wherein the transmission gear is externally provided with two annular notches arranged in parallel, the same side or different sides in each annular notch are respectively provided with the A transmission teeth (13), and the A transmission teeth (13) are respectively in transmission connection with the driving mechanism and the brush head.

5. Hollow rotary electric toothbrush with replaceable brush head according to claim 2, characterised in that the brush head comprises a gear element and a brush head provided with the gear element, the gear element matching the annular slot and one side of the gear element being provided with B drive teeth (14) meshing with the a drive teeth (13).

6. Hollow rotary electric toothbrush with replaceable head according to claim 5 characterized in that the head is provided as a gap head (5), a prophy angle head (6), a planar head (7) and a silicone head (8).

7. The hollow rotary electric toothbrush with replaceable brush head as claimed in claim 5, wherein the gear member is disposed parallel or inclined with respect to the transmission gear, and if the gear member is disposed inclined, an auxiliary shaft is disposed at one end of the gear member, and the auxiliary shaft is rotatably disposed in the transmission cavity corresponding to the brush head.

8. The hollow rotary electric toothbrush with the replaceable brush head according to claim 7, wherein the driving mechanism comprises a rotary bearing (1) and a motor (3), an output shaft of the motor (3) is in transmission connection with the rotary bearing (1), the other end of the rotary bearing (1) is provided with C-shaped transmission teeth (15), and the C-shaped transmission teeth (15) are embedded into the annular groove and meshed with the A-shaped transmission teeth (13).

9. The hollow rotary electric toothbrush with replaceable brush head according to claim 8, wherein the brush head housing (2) is provided with a fitting through hole in which the rotary bearing (1) is fitted and a retention plug (9) is fitted to one end of the rotary bearing (1), the retention plug (9) being fitted in the fitting through hole.

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