WO2021249040A1

WO2021249040A1 - Hollow rotary-type viewable electric toothbrush

Info

Publication number: WO2021249040A1
Application number: PCT/CN2021/089162
Authority: WO
Inventors: 李翔
Original assignee: 成都仁恒美光科技有限公司
Priority date: 2020-06-10
Filing date: 2021-04-23
Publication date: 2021-12-16
Also published as: CN212940042U

Abstract

Disclosed is a hollow rotary-type viewable electric toothbrush, comprising an endoscope body (1) and an endoscope lens (10) arranged at an end of the endoscope body (1). The electric toothbrush further comprises a main machine part and a cover body part (7), wherein a hollow cavity is formed between the main machine part and the cover body part (7), a hollow annular rotating brush head (4) is rotatably arranged on one side of the hollow cavity, the hollow annular rotating brush head (4) and the endoscope lens (10) are located on the same axis, bristles (5) are arranged at one end of the hollow annular rotating brush head (4), the other end of the hollow annular rotating brush head is in transmission connection with the main machine part by means of a transmission assembly. By means of same, the condition of each tooth in the oral cavity of oneself can be seen, and dental plaque, dental calculus, pigmentation and food residue on each tooth can be cleared.

Description

Hollow rotating type visual electric toothbrush

Technical field

The invention belongs to the technical field of electric toothbrushes, and in particular, relates to a hollow rotary visual electric toothbrush.

Background technique

When the user brushes his teeth with a normal manual or electric toothbrush, the user cannot see the situation in his mouth, especially between the teeth and the teeth, and between the teeth and the gums, it is easy to produce food residues, and therefore it is easier for the dental plaque to multiply. As a result, problems such as gingivitis, periodontitis, and tooth decay occur. The toothbrushes currently used by people cannot see the condition of each tooth in their mouth. Therefore, they cannot accurately detect the plaque, plaque, and decay of each tooth. Thoroughly clean dental calculus, pigmentation, and food residues.

How to accurately locate the food residue and dental plaque around each tooth during brushing, and thoroughly clean each tooth, is still an urgent technical problem for electric toothbrushes, and it is also an important factor that promotes the continuous advancement of electric toothbrush technology.

Summary of the invention

In view of this, in order to solve the above-mentioned problems in the prior art, the purpose of the present invention is to provide a hollow rotating visual electric toothbrush so as to be able to see each tooth in the oral cavity, so as to accurately place each tooth on For the purpose of thorough cleaning of dental plaque, tartar, pigmentation, and food residues.

The technical solution adopted by the present invention is: a hollow rotating visual electric toothbrush, comprising an endoscope body and an endoscope lens arranged at the end of the endoscope body, and further comprising a cleaning part, in the cleaning part A hollow cavity is provided, and a hollow ring-shaped rotating brush head is rotatably arranged on one side of the hollow cavity;

The hollow ring-shaped rotating brush head and the endoscope lens are located on the same axis line, and one end of the hollow ring-shaped rotating brush head is arranged with bristles, and the other end is driven by a transmission assembly to rotate.

Further, the cleaning part includes a host part and a cover body part, the hollow cavity is formed between the host part and the cover body part and the two are detachably assembled, and positioning buckles are provided on both sides of the cover body part , The two sides of the transmission rod housing are provided with locking notches corresponding to each of the positioning buckles, so as to realize the detachable assembly between the cover part and the host part, and can limit the hollow ring-shaped rotating brush head. Bit.

Further, the end of the cover body is provided with an extension part and the extension part covers the end of the endoscope body to prevent the cover body part together with the transmission rod housing from the endoscope body during use. Loose or fall off in the front and rear directions.

Further, one side of the cover body is provided with a first locking groove, and one side of the transmission rod housing is provided with a second locking groove. The first locking groove and the second locking groove form a locking ring hole, and the hollow ring The rotating brush head is rotatably assembled on the retaining ring hole to ensure that the hollow ring rotating brush head can rotate freely after the hollow ring rotating brush head is restricted.

Further, the cleaning part includes a main body part and a cover body part, the hollow cavity is formed between the main body part and the cover body part, and the two are integrally formed structures, and one side of the integrally formed structure is provided with an assembly hole And the assembly hole matches the endoscope lens, the other side is provided with a retaining ring hole, and the hollow ring-shaped rotating brush head is rotatably assembled on the retaining ring hole.

Further, the endoscope body and the main body part are integrally formed or detachably assembled.

Further, the host part includes a host housing and a transmission rod housing, and the host housing and the transmission rod housing are integrally formed or detachably assembled; and further includes a motor arranged in the host housing or the transmission rod housing, and the motor passes through the transmission assembly The hollow ring-shaped rotating brush head is driven to rotate, and further, the bristles arranged on the hollow ring-shaped rotating brush head can thoroughly clean dental plaque, tartar, pigmentation, and food residue in the user's mouth.

Further, an annular retaining ring is provided in the middle of the hollow annular rotating brush head, and an annular notch matching the annular retaining ring is provided on the side wall of the inner ring of the retaining ring hole to prevent the hollow annular rotating brush The head moves back and forth during rotation, and at the same time, good meshing between the hollow ring-shaped rotating brush head and the transmission gear can be ensured.

Further, an annular groove is provided in the middle of the hollow annular rotating brush head, and the annular groove is embedded in the retaining ring hole to prevent the hollow annular rotating brush head from moving back and forth during rotation, and at the same time , It can also ensure good meshing between the hollow ring-shaped rotating brush head and the transmission gear.

Further, the transmission assembly includes a hollow bevel gear arranged at one end of the hollow ring-shaped rotating brush head and a transmission rod rotatably arranged in the transmission rod housing, and one end of the transmission rod is provided with a transmission bevel gear meshing and driving with the hollow bevel gear , The other end is connected with the rotating shaft of the motor and the motor is arranged in the casing of the host, the transmission structure is stable and reliable, and the installation is convenient.

Further, it also includes a transmission rod positioning buckle, the transmission rod is mounted on the transmission rod positioning buckle through a bearing, and the transmission rod is positioned by the transmission rod positioning buckle, so as to ensure that the transmission bevel gear at the end of the transmission rod and The hollow bevel gear always maintains a good meshing state.

Further, the transmission assembly includes a hollow spur gear arranged at one end of the hollow ring-shaped rotating brush head and a transmission spur gear meshing and driving with the hollow spur gear, the motor is arranged on the transmission rod housing, and the rotating shaft of the motor and the transmission spur gear Connection, the transmission structure is simple, and the installation is convenient.

Further, the transmission assembly includes a hollow hypoid gear arranged at one end of the hollow ring-shaped rotating brush head and a transmission hypoid gear meshing and driving with the hollow hypoid gear, the motor is arranged on the transmission rod housing, and the motor The rotating shaft is connected with the hypoid gear, the transmission structure is simple, and the installation is convenient.

Further, it also includes a battery, a control board, and a charging interface. The control board is electrically connected to the battery, the charging interface, and the motor. Through charging and recycling, and this part is powered separately, it will not affect the use of the endoscope.

Further, the bristles are arranged in a conical shape at one end of the hollow ring-shaped rotating brush head to improve the cleaning effect on the user's oral cavity, and the inclination of the bristles can be adjusted adaptively according to actual needs.

The beneficial effects of the present invention are:

1. Using the hollow rotating visual electric toothbrush provided by the present invention, under the action of starting the main unit, the hollow ring-shaped rotating brush head is driven to continuously rotate, and the bristles on the hollow ring-shaped rotating brush head can affect the user's teeth during the rotation. Clean with the gums, and at the same time, through the hollow channel of the hollow ring-shaped rotating brush head, the intraoral camera lens can collect the image information of the current cleaned part in real time, and the collected image can be sent back to the display device such as mobile phone. The food residue and dental plaque remaining on the teeth and gums of the oral cavity can be accurately cleaned under the visual image. Especially, after the plaque position marked by the plaque indicator liquid is applied, it can be more visually cleaned. It can be accurately and completely removed, the structure of the entire electric toothbrush is simple, the installation process is convenient, and it has the value of wide promotion.

Description of the drawings

Figure 1 is a schematic view of the overall structure of a hollow rotating visual electric toothbrush provided by the present invention;

Figure 2 is a schematic diagram of the exploded structure of the hollow rotating visual electric toothbrush provided by the present invention;

Figure 3 is a perspective schematic view of the internal structure of the hollow rotating visual electric toothbrush provided by the present invention in Embodiment 1;

4 is a perspective schematic view A of another internal structure of the hollow rotating visual electric toothbrush provided by the present invention in Embodiment 1;

Figure 5 is a perspective schematic view B of another internal structure of the hollow rotating visual electric toothbrush in embodiment 1 provided by the present invention;

6 is a perspective schematic view of the internal structure of the hollow rotating visual electric toothbrush provided by the present invention in Embodiment 8;

Figure 7 is a perspective schematic view of the internal structure of the hollow rotating visual electric toothbrush provided by the present invention in Embodiment 9;

8 is a schematic view of the internal structure of the hollow rotating visual electric toothbrush provided by the present invention in Embodiment 2;

FIG. 9 is a schematic diagram of the split structure of FIG. 8;

10 is a schematic diagram of the internal structure of the hollow rotating visual electric toothbrush provided by the present invention in Embodiment 3;

FIG. 11 is a schematic diagram of the split structure of FIG. 10;

12 is a schematic view of the internal structure of the hollow rotary visual electric toothbrush provided by the present invention in Embodiment 4;

Figure 13 is a schematic view of the internal structure of the hollow rotating visual electric toothbrush provided by the present invention in Embodiment 5;

14 is a schematic view of the internal structure of the hollow rotary visual electric toothbrush provided by the present invention in Embodiment 6;

15 is a schematic view of the internal structure of the hollow rotary visual electric toothbrush provided by the present invention in Embodiment 7;

The attached drawings are marked as follows:

1- Endoscope body, 2- Host housing, 3- Transmission rod housing, 4- Hollow circular rotating brush head, 5- Brush, 6-Hollow bevel gear, 7- Cover body, 8- Transmission bevel gear, 9- Transmission rod, 10-endoscope lens, 11- transmission rod positioning buckle, 12-motor, 13-ring retention ring, 14-hollow spur gear, 15-micro motor, 16-transmission spur gear, 17-battery, 18-control board, 19-charging port, 20-transmission hypoid gear, 21-hollow hypoid gear, 22-positioning buckle, 23-locking slot, 24-extension, 25-card slot, 26 -Intermediate shaft, 27-Clamping ring hole, 28-Hollow reverse bevel gear, 29-Intermediate retention protruding shaft, 30-Brush head transmission rod integrated housing, 31-Miniature endoscope, 32-Hollow rotating brush head Main unit, 33-mini-endoscope buckle, 34-mini-endoscope slot, 35-retaining rod, 36-retaining groove, 37-retaining groove for extension of transmission rod, 38-motor transmission rod integrated host , 39-endoscope motor drive rod integrated host, 40-endoscope motor integrated host.

detailed description

In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, but not all of the embodiments. The components of the embodiments of the present invention generally described and illustrated in the drawings herein may be arranged and designed in various different configurations.

Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other if there is no conflict.

It should be noted that similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

In the description of the embodiments of the present invention, it should be noted that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or is the orientation or positional relationship that is customarily placed when the product of the invention is used, or is the original The position or position relationship commonly understood by those skilled in the art, or the position or position relationship usually placed when the product of the invention is used, is only for the convenience of describing the invention and simplifying the description, and does not indicate or imply that the device or element referred to must It has a specific orientation, is constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. In addition, the terms "first" and "second" are only used for distinguishing description, and cannot be understood as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "set" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection. , Or integrally connected; it can be directly connected or indirectly connected through an intermediary. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood under specific circumstances; the drawings in the embodiments are used to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, The described embodiments are part of the embodiments of the present invention, but not all of the embodiments. The components of the embodiments of the present invention generally described and illustrated in the drawings herein may be arranged and designed in various different configurations.

Example 1

In order to achieve visually accurate cleaning of food residues and dental plaque remaining on the gums of the teeth in the oral cavity under a visual image, as shown in FIG. 1, a hollow rotary type is specifically provided in this embodiment. A visual electric toothbrush includes an endoscope body 1 and an endoscope lens 10 arranged at the end of the endoscope body 1. The endoscope body 1 adopts the prior art, and the endoscope lens 10 is installed in the insert On the part, after the insertion part is inserted into the mouth of the user, the direction of the image collected by the endoscope lens 10 is aligned with the mouth of the user, so as to view the mouth of the user in real time through the endoscope lens 10. It also includes an MCU, a displacement information acquisition module, and a signal transmission module arranged in the endoscope body 1, and the camera unit, the displacement information acquisition module, and the signal transmission module are respectively connected to the MCU. Its working principle is:

The endoscopic lens 10 collects intraoral images and transmits them to the software or computer on the mobile phone device via the signal transmission module, which can be used for sorting, storing, recalling and displaying, and accurately positioning the food residues, and then cooperating with the brush to thoroughly clean.

As shown in Figures 2 and 3, it also includes a host part and a cover part 7 mounted on the endoscope body 1. The host part and the cover part 7 can be detachably assembled between the host part and the cover body. A hollow cavity is formed between the parts 7 and a hollow ring-shaped rotating brush head 4 is rotated on one side of the hollow cavity. A hollow channel is provided in the middle of the hollow ring-shaped rotating brush head 4, and the hollow ring-shaped rotating brush head 4 rotates at a high speed. During operation, the hollow channel can still be used as an image acquisition channel of the endoscope lens 10. Therefore, the hollow ring-shaped rotating brush head 4 and the endoscope lens 10 need to be arranged on the same axis, that is, the lens center line of the endoscope lens 10 and the rotation axis of the hollow ring-shaped rotating brush head 4 are on the same straight line, and One end of the hollow ring-shaped rotating brush head 4 is arranged with bristles 5, which serve as a key component for cleaning food residues and dental plaque in the user’s mouth, and the other end is drivingly connected to the main unit through a transmission assembly, which is driven by the transmission assembly The hollow ring-shaped rotating brush head 4 rotates at a high speed, and further, the bristles 5 arranged on the outer circumferential surface of the hollow ring-shaped rotating brush head 4 also rotate at a high speed to effectively clean the food residues and dental plaque remaining on the teeth and gums in the oral cavity. .

In actual application, the bristles 5 are arranged in a conical shape at one end of the hollow annular rotating brush head 4 to improve the cleaning effect of the user’s oral cavity, and the inclination of the bristles 5 can be adjusted adaptively according to actual needs. In order to meet the requirements of different groups of people for the bristles 5 by replacing different hollow ring-shaped rotating brush heads 4.

As shown in Figure 2, the main unit includes a main casing 2 and a transmission rod casing 3. The external design of the main casing 2 matches the external design of the endoscope body 1, and a collar is provided on the back of the main casing 2. The main body casing 2 is mounted on the endoscope main body 1 through the collar, and the main body casing 2 can be well connected with the endoscope main body 1. The transmission rod housing 3 is clamped between the endoscope lens 10 and the main body housing 2, and the shape of the transmission rod housing 3 matches the shape of the endoscope body 1, protruding through the endoscope lens 10 The part of the drive rod is against the top of the transmission rod housing 3, and the bottom of the transmission rod housing 3 is against the host housing 2 to assist the positioning of the transmission rod housing 3.

As shown in FIG. 3, it also includes a motor 12 arranged in the main body housing 2, and the motor 12 drives the hollow ring-shaped rotating brush head 4 to rotate through the transmission assembly, and further, the bristles 5 arranged on the hollow ring-shaped rotating brush head 4 can Thoroughly clean the plaque, calculus, pigmentation, and food residue in the user's mouth.

In this embodiment, since the motor 12 is arranged inside the mainframe housing 2, as shown in FIG. 3, the transmission assembly includes a hollow bevel gear 6 arranged at one end of the hollow ring-shaped rotating brush head 4 and a rotary set at the transmission rod housing The transmission rod 9 in 3, one end of the transmission rod 9 is provided with a transmission bevel gear 8 for meshing transmission with the hollow bevel gear 6, and the other end is connected with the shaft of the motor 12 and the motor 12 is installed on the host In the housing 2, the torque of the motor 12 is transmitted to the transmission bevel gear 8 through the transmission rod 9, and then the transmission bevel gear 8 transmits the torque to the hollow bevel gear 6 to realize the high-speed rotation of the hollow bevel gear 6. The transmission structure is stable Reliable and easy to install.

In actual application, it should be noted that after the transmission bevel gear 8 meshes with the hollow bevel gear 6, the transmission bevel gear 8 should not block the image acquisition channel of the endoscope lens 10, and the application of the hollow bevel gear 6 adopts two forms One is a positive hollow bevel gear 6, the hollow bevel gear 6 meshes with the transmission bevel gear 8 and the hollow bevel gear 6 is away from the endoscope lens 10; the other is a reverse hollow bevel gear 6, the hollow bevel gear 6 straddles the transmission bevel gear 8 and meshes with the other side of the transmission bevel gear 8 and the hollow bevel gear 6 is close to the endoscope lens 10.

Positioning buckles 22 are provided on both sides of the cover body portion 7, the two sides of the transmission rod housing 3 are provided with positioning notches 23 corresponding to each of the positioning buckles 22, the cover body portion 7 and the transmission rod The housing 3 is matched. When installing, align the cover 7 with the transmission rod housing 3, and align the positioning buckle 22 into the locking slot 23 to realize the cover 7 and the transmission rod housing 3 In addition, after the cover 7 is assembled with the transmission housing, a retaining ring hole 27 is formed, and the hollow ring-shaped rotating brush head 4 can be restricted by the retaining ring hole 27. In practical applications, the design of the retaining ring hole 27 is as follows:

One side of the cover part 7 is provided with a clamping slot 25, and one side of the transmission rod housing 3 is also provided with a clamping slot 25. The cover part 7 is correspondingly assembled on the top of the transmission rod housing 3 so as to pass through the two clamping slots 25. Split to form a retaining ring hole 27, and the hollow ring-shaped rotating brush head 4 is rotatably assembled on the retaining ring hole 27 to ensure that after the hollow ring-shaped rotating brush head 4 is restricted, the hollow ring-shaped rotating brush head 4 can rotate freely At the same time, under the action of the retaining ring hole 27, the hollow ring-shaped rotating brush head 4 is prevented from moving back and forth. In practical applications, the movement limit of the hollow ring-shaped rotating brush head 4 is mainly realized in the following ways, which can be flexibly selected according to the actual situation, such as:

(1) As shown in Figure 3, an annular retaining ring 13 is provided in the middle of the hollow annular rotating brush head 4. The annular retaining ring 13 and the hollow annular rotating brush head 4 are arranged concentrically, and the inner part of the retaining ring hole 27 The side wall of the ring is provided with an annular notch that matches the annular retaining ring 13. After the hollow annular rotating brush head 4 is installed in the retaining ring hole 27, the annular retaining ring 13 is also correspondingly assembled in the annular notch to prevent The hollow ring-shaped rotating brush head 4 moves back and forth during rotation, and at the same time, it can also ensure that the hollow bevel gear 6 of the hollow ring-shaped rotating brush head 4 and the transmission bevel gear 8 can be in good meshing transmission.

(2) As shown in Figure 4, an annular groove is provided in the middle of the hollow annular rotating brush head 4 (the annular groove can be formed by the hollow bevel gear 6, the intermediate shaft 26 and the brush head), and the annular groove Embedded in the retaining ring hole 27, the side surfaces of the retaining ring hole 27 respectively limit the hollow bevel gear 6 and the brush head part to prevent the hollow ring rotating brush head 4 from moving back and forth during rotation At the same time, it can also ensure a good meshing transmission between the hollow bevel gear 6 of the hollow ring-shaped rotating brush head 4 and the transmission bevel gear 8.

(3) As shown in Figure 5, an annular groove is provided in the middle of the hollow annular rotating brush head 4 (the annular groove can be formed by the hollow bevel gear 6, the intermediate shaft 26 and the brush head), and the annular groove is embedded Installed in the retaining ring hole 27 and the width of the annular groove is larger than the width of the case (2), and the hollow bevel gear 6 of the hollow annular rotating brush head 4 is reversely designed, and the hollow bevel gear 6 After meshing with the transmission gear, the forward movement of the hollow ring-shaped rotating brush head 4 is restricted. At the same time, the brush head of the hollow ring-shaped rotating brush head 4 is closely attached to the side surface of the retaining ring hole 27 to rotate the hollow ring. The rearward movement of the brush head 4 is limited to prevent the hollow ring-shaped rotating brush head 4 from moving back and forth during rotation. At the same time, it can also ensure that the hollow bevel gear 6 of the hollow ring-shaped rotating brush head 4 can interact with the drive bevel gear 8 Good meshing transmission between.

In order to improve the stability and firmness of the transmission rod housing 3 and the cover 7 after assembly, as shown in Figures 2 to 5, an extension 24 is provided on the end of the cover 7 and the extension 24 is wrapped around the end of the endoscope body 1. When the cover body 7 is assembled on the top of the transmission rod housing 3, at the same time, the extension part 24 of the cover body 7 is also clamped on the endoscope body The rear side of the end of 1 (the rear side of the end where the endoscope lens 10 is located) to limit the transmission rod housing 3 and the cover 7 in the front-to-rear direction, thereby preventing the cover 7 together with The transmission rod housing 3 is loosened or dropped in the front-rear direction of the endoscope body 1.

In order to ensure the effective positioning of the transmission rod 9 and the transmission rod housing 3, as shown in Figures 2 to 5, it also includes a transmission rod positioning buckle 11 provided on the endoscope body 1, and the transmission rod 9 is mounted by a bearing. The transmission rod 9 is positioned on the transmission rod positioning buckle 11 and through the transmission rod positioning buckle 11 to ensure that the transmission bevel gear 8 at the end of the transmission rod 9 and the hollow bevel gear 6 maintain a good meshing state at all times. The specific design method is: a bearing sleeve is installed in the transmission rod housing 3, and the transmission rod 9 is rotatably assembled in the bearing sleeve. At the same time, the bearing sleeve is matched with the transmission rod positioning buckle 11. When it reaches the designated position, the bearing sleeve is also correspondingly locked into the transmission rod positioning buckle 11, and further, the transmission rod housing 3 is auxiliary limited in the front and rear direction to prevent the transmission rod housing 3 from loosening. Falling off and so on.

As shown in Figures 6 and 7, it also includes a battery 17, a control board 18, and a charging interface 19. The control board 18 is electrically connected to the battery 17, the charging interface 19, and the motor 12, and the battery 17 and the control board 18 are located at In the mainframe casing 2, the charging interface 19 is arranged on the side of the mainframe casing 2. The design of the battery 17, the control board 18 and the charging interface 19 can be realized by using existing technology, including the charging and discharging circuit and the motor 12 driving circuit. , I won’t repeat it here. It can be recycled through charging, and this part is powered separately, which will not affect the use of the endoscope. At the same time, it can be realized through later installation, and the use cost can also be reduced.

Example 2

Compared with the hollow rotating visual electric toothbrush provided in embodiment 1, in this embodiment, the design is as follows:

The cover body part and the transmission rod housing assembled in a detachable manner in the embodiment 1 are designed in an integrated manner, and the structure of the cover body part is adaptively optimized. In this embodiment, as shown in FIG. 8 9. As shown in Figure 9, the cover body does not need to be designed with extensions, and the cover body and the transmission rod housing are designed as an integral molding body, that is, the brush head transmission rod integrated housing 30. The end of the molding body is provided with An assembly hole matched with the endoscope lens is provided with a retaining ring hole on the other side.

The hollow ring-shaped rotating brush head is composed of a brush head, an intermediate shaft and a hollow reverse gear. The hollow reverse bevel gear straddles the transmission bevel gear and meshes with it; the assembly process is as follows:

Firstly, the hollow ring-shaped rotating brush head is assembled to the molded body through the retaining ring hole, and the middle retention protruding shaft 29 of the hollow ring-shaped rotating brush head is rotated and assembled in the retaining ring hole, and the middle of the hollow ring-shaped rotating brush head is fixed For the limiting principle between the position protruding shaft 29 and the retaining ring hole, please refer to point (3) in embodiment 1;

Then, install the transmission rod into the transmission rod housing until the transmission bevel gear at the end of the transmission rod meshes with the hollow reverse bevel gear, and the hollow reverse bevel gear is meshed and limited by the transmission bevel gear, and the hollow ring rotating brush The head will not fall off;

Then, install the transmission rod positioning buckle on the transmission rod housing to position the transmission rod, and the transmission rod can drive the hollow reverse bevel gear to rotate;

Finally, first insert the transmission rod and connect it to the shaft of the motor, and use plastic to align the protruding part of the endoscope lens to the hollow channel of the hollow circular rotating brush head, and extend the protruding part of the endoscope lens Into the hollow channel of the hollow ring-shaped rotating brush head for retention; at the same time, the brush head transmission rod integrated housing 30 and the main body housing 2 are fixed together on the endoscope body 1 to complete the overall assembly process.

Example 3

On the basis of embodiment 2, another modification is made to the hollow rotating visual electric toothbrush. In embodiment 2, the main body shell is installed as an accessory on the body of the endoscope, and in this embodiment, as As shown in Figures 10 and 11, the main body housing is used as the main body, and the endoscope body is installed as an accessory (for the microendoscope 31) on the main body housing (that is, the hollow rotating brush head main body 32), and the endoscope The endoscope lens on the main body can be aligned with the hollow channel of the hollow ring-shaped rotating brush head. Preferably, an assembly notch is provided on the main body housing, and the assembly notch is provided with a mini-endoscope card slot 34, and the endoscope The end of the mirror body is provided with an assembling head that matches the assembling notch, and a mini-endoscope buckle 33 that matches the mini-endoscope slot 34 on the assembling head.

In order to achieve a firm installation between the main body part 32 of the hollow rotating brush head and the integrated housing 30 of the brush head transmission rod, a retaining groove 36 is provided on the main body part 32 of the hollow rotating brush head. The part is provided with a retention rod 35 that matches the retention groove 36; at the same time, a transmission rod extension retention groove 37 is opened on the hollow rotating brush head main body part 32, and the bottom end of the transmission rod extension retention groove 37 is provided There is a motor 12, and the transmission rod 9 is inserted into the transmission rod extension retention slot 37 so that the rotating shaft of the motor 12 is connected with the transmission rod 9.

The rest of the installation methods and working principles are similar to those in Embodiment 2, and will not be repeated here.

Example 4

On the basis of embodiment 3, another modification is made to the hollow rotary visual electric toothbrush. In embodiment 3, the main body shell and the transmission rod shell are detachably assembled, and the cover body and the transmission rod shell are detachably assembled. The space is integrally formed and the end of the cover body is not designed with an extension to cover the end of the endoscope body.

In this embodiment, compared to the structure of the third embodiment, as shown in FIG. 12, the mainframe housing and the transmission rod housing are integrally formed, that is, the motor transmission rod is integrated with the mainframe 38, and the cover body and the transmission The rod shells are assembled in a detachable manner, and an extension part is designed at the end of the cover body to cover the end of the endoscope body to prevent loosening and falling off in the front and rear directions.

In the embodiment, the realization principle of the detachable assembly manner between the cover body and the transmission rod housing is similar to that of the embodiment 1, and will not be repeated here.

At the same time, in this embodiment, the main body shell is used as the main body, and the endoscope body is installed on the main body shell as an accessory, and the endoscope lens on the endoscope body can be aligned with the hollow channel of the hollow circular rotating brush head. The rest of the implementation principle is similar to that of Embodiment 3, and will not be repeated here.

Example 5

On the basis of embodiment 4, as shown in FIG. 13, the endoscope body, the main body housing and the transmission rod housing are integrally formed as a whole, that is, the endoscope motor transmission rod integrated main body 39, and the cover A detachable assembly method is adopted between the transmission rod and the transmission rod housing, and an extension part is designed at the end of the cover body to cover the end of the endoscope body to prevent loosening and falling off in the front and rear directions.

The rest of the installation method and working principle are similar to those in Embodiment 4, and will not be repeated here.

Example 6

On the basis of embodiment 4, as shown in FIG. 14, the endoscope body and the main body shell are integrally formed as a whole, that is, the endoscope motor integrated main body 40, and the main body shell and the transmission rod shell, cover The body part and the transmission rod housing adopt a detachable assembly method, and an extension part is designed at the end of the cover body part to cover the end part of the endoscope body to prevent loosening and falling off in the front and rear direction.

Example 7

On the basis of embodiment 4, as shown in FIG. 15, the endoscope body and the main body shell, the cover part and the transmission rod shell are integrally formed as a whole, that is, the endoscope motor integrated main body 40, and There is no need to design an extension at the end of the cover, and a detachable assembly method is adopted between the host casing and the transmission rod casing.

Example 8

Embodiments 1-7 disclose the structural design of the transmission assembly. In this embodiment, as shown in FIG. 6, the transmission assembly is designed in another way to provide more options for later production. In this embodiment, the transmission assembly includes a hollow spur gear 14 provided at one end of the hollow ring-shaped rotating brush head 4 and a transmission spur gear 16 meshing and driving with the hollow spur gear 14. At this time, the motor adopts a micro motor 15 and a micro motor 15 is assembled in the transmission rod housing 3, and the rotating shaft of the micro motor 15 is connected with the transmission spur gear 16. The transmission structure is simple and easy to install. The power cord of the micro motor 15 is introduced into the host housing 2 through the transmission rod housing 3.

Example 9

Embodiments 1-7 disclose the structural design of the transmission assembly. In this embodiment, as shown in FIG. 7, the transmission assembly is designed in another way to provide more options for later production. The transmission assembly includes a hollow hypoid gear 21 arranged at one end of the hollow annular rotating brush head 4 and a transmission hypoid gear 20 meshing and driving with the hollow hypoid gear 21. At this time, the motor adopts a micro motor 15 and a micro motor 15 is assembled in the transmission rod housing 3, and the rotating shaft of the micro motor 15 is connected with the hypoid gear. The transmission structure is simple and easy to install. The power cord of the micro motor 15 is introduced into the host housing 2 from the transmission rod housing 3.

For the design of transmission components, in addition to the transmission methods used in the above embodiments, including but not limited to parallel shaft helical gear transmission, herringbone gear transmission, internal gear transmission, planetary gear transmission, helical bevel gear transmission, curved tooth bevel Gear drive, worm drive or cylindrical gear drive.

The present invention is not limited to the above-mentioned optional embodiments. Anyone can derive other products in various forms under the enlightenment of the present invention, but regardless of any changes in its shape or structure, all that fall into the scope of the claims of the present invention The technical solutions within the scope fall within the protection scope of the present invention.

Claims

A hollow rotating visual electric toothbrush, comprising an endoscope body and an endoscope lens arranged at the end of the endoscope body, and is characterized in that it further comprises a cleaning part, and the cleaning part is provided with a hollow cavity , A hollow ring-shaped rotating brush head is rotatably arranged on one side of the hollow cavity;

The hollow ring-shaped rotating brush head and the endoscope lens are located on the same axis line, and one end of the hollow ring-shaped rotating brush head is arranged with bristles, and the other end is driven by a transmission assembly to rotate.
The hollow rotating visual electric toothbrush according to claim 1, wherein the cleaning part includes a main body part and a cover body part, and the hollow cavity is formed between the main body part and the cover body part and the two For detachable assembly, positioning buckles are provided on both sides of the cover body part, and positioning notches corresponding to each of the positioning buckles are provided on both sides of the transmission rod housing.
The hollow rotating visual electric toothbrush according to claim 2, wherein the end of the cover body is provided with an extension part and the extension part covers the end of the endoscope body.
The hollow rotating visual electric toothbrush according to claim 2, wherein a first slot is provided on one side of the cover, and a second slot is provided on one side of the transmission rod housing, which passes through the first slot. The clamping groove and the second clamping groove form a clamping ring hole, and the hollow ring-shaped rotating brush head is rotatably assembled on the clamping ring hole.
The hollow rotating visual electric toothbrush according to claim 1, wherein the cleaning part includes a main body part and a cover body part, and the hollow cavity is formed between the main body part and the cover body part and the two It is an integrally formed structure. One side of the integrally formed structure is provided with an assembly hole that matches the endoscope lens, and the other side is provided with a retaining ring hole, and the hollow ring-shaped rotating brush head is rotatably assembled in the retaining position环孔上。 The ring hole.
The hollow rotating visual electric toothbrush according to any one of claims 2-5, wherein the endoscope body and the main body part are integrally formed or detachably assembled.
The hollow rotating visual electric toothbrush according to claim 6, characterized in that, the main body part includes a main body shell and a transmission rod shell, and the main body shell and the transmission rod shell are integrally formed or detachably assembled; further comprising a device A motor in the mainframe housing or the transmission rod housing, and the motor drives the hollow ring-shaped rotating brush head to rotate through the transmission assembly.
The hollow rotary visual electric toothbrush according to claim 4 or 5, characterized in that the central part of the hollow ring-shaped rotating brush head is provided with a ring-shaped retaining ring, and the inner ring side wall of the retaining ring hole is provided with a ring-shaped retaining ring. An annular notch that matches the annular retention ring.
The hollow rotating visual electric toothbrush according to claim 4 or 5, characterized in that, an annular groove is provided in the middle of the hollow annular rotating brush head, and the annular groove is embedded in the retaining ring hole Inside.
The hollow rotating visual electric toothbrush according to claim 7, wherein the transmission assembly comprises a hollow bevel gear arranged at one end of the hollow ring-shaped rotating brush head and a transmission rod which is rotatably arranged in the transmission rod housing. One end of the rod is provided with a transmission bevel gear meshing and driving with a hollow bevel gear, and the other end is connected with the rotating shaft of the motor and the motor is arranged in the main machine housing.
The hollow rotary visual electric toothbrush according to claim 10, further comprising a transmission rod positioning buckle, the transmission rod is mounted on the transmission rod positioning buckle through a bearing, and the transmission rod positioning buckle Position the drive rod.
The hollow rotating visual electric toothbrush according to claim 7, wherein the transmission assembly comprises a hollow spur gear arranged at one end of the hollow ring-shaped rotating brush head and a transmission spur gear meshing and driving with the hollow spur gear, so The motor is arranged in the housing of the transmission rod, and the rotating shaft of the motor is connected with the transmission spur gear.
The hollow rotating visual electric toothbrush according to claim 7, wherein the transmission assembly includes a hollow hypoid gear provided at one end of the hollow ring-shaped rotating brush head and a transmission meshing and driving with the hollow hypoid gear Hypoid gear, the motor is arranged in the transmission rod housing, and the rotating shaft of the motor is connected with the hypoid gear.
The hollow rotary visual electric toothbrush according to claim 7, further comprising a battery, a control board and a charging interface, the control board is electrically connected to the battery, the charging interface and the motor, and the battery and the control board are provided In the main body shell, the charging interface is arranged on the side of the main body shell.
The hollow rotating visual electric toothbrush according to claim 7, wherein the bristles are arranged at one end of the hollow ring-shaped rotating brush head in a conical shape.