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

Abstract

The utility model discloses a hollow rotary electric toothbrush with replaceable brush heads, belonging to the technical field of electric toothbrushes, comprising a toothbrush body and an insertion part arranged on the toothbrush body; the electric toothbrush further comprises: an endoscope lens; a transmission gear arranged in rotation, a hollow through hole is opened inside the transmission gear, and the endoscope lens collects images through the hollow through hole; a driving mechanism, through which the transmission is driven by the driving mechanism The gear rotates and limits its position; the brush head is arranged in rotation, the brush head is connected with the transmission gear, and the brush head faces the side where the endoscope lens collects the image, so as to be able to see oneself The condition of each tooth in the mouth is to accurately and thoroughly clean the plaque, calculus, pigmentation and food residues on each tooth.

Description

A hollow rotary electric toothbrush with replaceable brush head

technical field

The utility model belongs to the technical field of electric toothbrushes, in particular, to a hollow rotary electric toothbrush with replaceable brush heads.

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 food residues are easily formed between the teeth and the gums, which makes it easier for dental plaque to multiply. This leads to problems such as gingivitis, periodontitis and tooth decay. At present, the toothbrushes used by people cannot see the condition of each tooth in their mouth, so they cannot accurately and thoroughly clean the plaque, calculus, pigmentation and food residues on each tooth.

How to accurately locate the food residues and plaque around each tooth when brushing teeth, and thoroughly clean each tooth is still a technical problem that electric toothbrushes need to solve urgently, and it is also an important factor to promote the continuous progress of electric toothbrush technology research and development.

Utility model content

In view of this, in order to solve the above-mentioned problems existing in the prior art, the purpose of the present invention is to provide a hollow rotary electric toothbrush with replaceable brush heads so as to achieve the situation that every tooth in one's oral cavity can be seen, and accurately The purpose of thoroughly cleaning the plaque, calculus, pigmentation and food residues on each tooth.

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

an endoscopic lens provided on the insertion portion;

a transmission gear arranged in a rotating manner, a hollow through hole is opened inside the transmission gear, and the endoscope lens collects images through the hollow through hole;

a driving mechanism, through which the transmission gear is driven to rotate and limit its position;

The brush head is rotatably arranged, the brush head is connected with the transmission gear, and the brush head faces the side where the endoscope lens collects the image.

Further, the insertion part includes an insertion body and a detachable brush head housing, the end of the insertion body is equipped with the endoscope lens; the end of the brush head housing is sleeved on the outside of the endoscope lens , and the inside of the brush head housing is provided with rotating cavities which are respectively matched with the transmission gear and the brush head, so as to realize the quick disassembly and assembly of the product in practical application.

Further, at least one annular notch is provided on the outside of the transmission gear, and one side of the annular notch is provided with an A transmission tooth, through which the A transmission tooth is connected with the driving mechanism and/or the brush head for transmission;

Under the action of the transmission gear, the brush head can not only transmit power, but also have a good limiting effect on it.

Further, an annular notch is provided on the outside of the transmission gear, and the side where the A transmission tooth is located in the annular notch is close to or away from the endoscope lens, and the A transmission tooth is simultaneously connected to the driving mechanism through the A transmission tooth. Drive connection with the brush head;

By adopting this structural arrangement, the overall structure is more compact.

Further, the outside of the transmission gear is provided with two annular grooves arranged in parallel, and the A transmission teeth are respectively provided on the same side or different sides in each of the annular grooves, and the A transmission teeth pass through the A transmission teeth. respectively make a transmission connection with the drive mechanism and the brush head;

With this structural arrangement, since one annular notch of the transmission gear corresponds to the rotating bearing, and the other annular notch corresponds to the brush head, the power transmission is more reliable and easy to implement.

Further, the brush head includes a gear member and a brush head provided on the gear member, the gear member is matched with the annular notch, and one side of the gear member is provided with a B meshing with the A transmission teeth. Transmission teeth to ensure that the brush head has good stability when it rotates.

Further, the brush head is set as a gap brush head, a polishing cup brush head, a flat tooth brush head and a silicone brush head, so as to meet the different functional requirements of the user for the brush head.

Further, the gear member is arranged in parallel or obliquely with respect to the transmission gear. If the gear member is arranged obliquely, one end of the gear member is provided with an auxiliary rotating shaft, and the auxiliary rotating shaft is rotatably arranged in the transmission cavity corresponding to the brush head. , in order to achieve flexible and variable installation of the brush head.

Further, the drive mechanism includes a rotary bearing and a motor, the output shaft of the motor is drivingly connected to the rotary bearing, the other end of the rotary bearing is provided with a C transmission tooth, and the C transmission tooth is embedded in the annular slot and is connected with the rotary bearing. A transmission teeth are meshed with each other; in order to achieve the effect of easy assembly and stable transmission of power.

Further, the brush head housing is provided with an assembly through hole, the rotating bearing is sleeved in the assembly through hole, and a retaining plug is sleeved at one end of the rotating bearing, and the retaining plug is assembled in the assembly through hole; Stable mounting of bearings.

The beneficial effects of the present utility model are:

1. The hollow rotary electric toothbrush using the replaceable brush head disclosed by the utility model, under the action of the driving mechanism, drives the transmission gear to rotate and the brush head is linked by the transmission gear to rotate. There is a hollow through hole in the gear for the endoscope lens to collect images. Therefore, through the hollow through hole, the oral endoscope lens can collect the image information of the current cleaning part in real time, and send the collected image back to the mobile phone Such display devices can visually and accurately clean the food residue and plaque remaining on the teeth and gums in the oral cavity under the visual image, especially the plaque position marked by the plaque indicator solution. Afterwards, the electric toothbrush can be more accurately and thoroughly removed under visibility. The entire electric toothbrush has a simple structure design and convenient installation process, which has the value of widespread promotion.

Description of drawings

1 is a schematic diagram of the overall structure of the hollow rotary electric toothbrush with replaceable brush heads disclosed in Embodiment 1 of the present invention;

Fig. 2 is the split structure schematic diagram of Fig. 1;

Fig. 3 is the structural representation adopting polishing cup brush head in Fig. 1;

Fig. 4 is the structural representation adopting plane toothbrush head in Fig. 1;

Fig. 5 is the structural representation adopting the silicone brush head in Fig. 1;

6 is a schematic diagram of the overall structure of another arrangement of the hollow rotary electric toothbrush with replaceable brush heads disclosed in Embodiment 1;

Fig. 7 is the split structure schematic diagram of Fig. 6;

Fig. 8 is the structural representation adopting polishing cup brush head in Fig. 6;

Fig. 9 is the structural representation of adopting the plane toothbrush head in Fig. 6;

Fig. 10 is the structural representation adopting the silicone brush head in Fig. 6;

11 is a schematic diagram of the overall structure of the hollow rotary electric toothbrush with replaceable brush heads disclosed in Embodiment 2 of the present invention;

Fig. 12 is the split structure schematic diagram of Fig. 11;

Figure 13 is a schematic structural diagram of a brush head using a polishing cup in Figure 11;

Figure 14 is a schematic structural diagram of a flat toothbrush head in Figure 11;

Fig. 15 is the structural schematic diagram of adopting the silicone brush head in Fig. 11;

16 is a schematic diagram of the overall structure of another arrangement of the hollow rotary electric toothbrush with replaceable brush heads disclosed in Embodiment 2 of the present invention;

Fig. 17 is the split structure schematic diagram of Fig. 16;

FIG. 18 is a schematic structural diagram of using a polishing cup brush head in FIG. 16;

Figure 19 is a schematic structural diagram of a flat toothbrush head in Figure 16;

Fig. 20 is the structural representation of adopting the silicone brush head in Fig. 16;

21 is a schematic diagram of the overall structure of the hollow rotary electric toothbrush with replaceable brush heads disclosed in Embodiment 3 of the present invention;

Fig. 22 is the split structure schematic diagram of Fig. 21;

23 is a schematic diagram of the overall structure of the hollow rotary electric toothbrush with replaceable brush heads disclosed in Embodiment 3 of the present invention;

Fig. 24 is the split structure schematic diagram of Fig. 23;

Figure 25 is a schematic structural diagram of using a polishing cup brush head in Example 3;

Figure 26 is a schematic structural diagram of a flat toothbrush head used in Example 3;

Fig. 27 is the structural representation of adopting the silicone brush head in embodiment 3;

The attached drawings are marked as follows:

1-Rotary bearing, 2-Brush head housing, 3-Motor, 4-Hollow gear, 5-Gap brush head, 6-Polish cup brush head, 7-Flat toothbrush head, 8-Silicone brush head, 9-Retaining plug , 10-toothbrush body, 11-insert body, 12-endoscope lens, 13-A transmission teeth, 14-B transmission teeth, 15-C transmission teeth.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present invention, but not all of the embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

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

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

It should be noted that: in the description of the embodiments of the present utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "arrangement" and "connection" should be understood in a broad sense, for example, it may be a fixed connection, or It can be a detachable connection or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. 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 accompanying 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 invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Example 1

In order to realize the visual and precise cleaning of food residues and dental plaque remaining on the teeth and gums in the oral cavity under the visual image. In this embodiment, a hollow rotary electric toothbrush with replaceable brush head is specifically provided, which mainly needs to be applied to an endoscope, and the endoscope is the existing technology, and the endoscope lens of the endoscope 12 is mounted on the end of the insertion part, and after the insertion part is inserted into the user's oral cavity, the direction of the captured image of the endoscope lens 12 is aimed at the user's oral cavity, so as to conduct a live view of the user's oral cavity through the endoscope lens 12 . The endoscope further includes an MCU, a displacement information acquisition module and a signal transmission module arranged in the toothbrush body 10 , 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 12 collects the intraoral image, and transmits it to the software or computer on the mobile phone device through the signal transmission module, which can be used for sorting and storage, calling and displaying, and after accurately locating the position of the food residue, cooperate with the brush to thoroughly carry out the process. clean.

As shown in FIGS. 1 to 10 , the hollow rotary electric toothbrush with replaceable brush heads provided in this embodiment mainly includes a toothbrush body 10 and an insertion portion provided on the toothbrush body 10 . The toothbrush body 10 mainly uses Hold and use it for the user.

An endoscope lens 12 is mounted on the insertion part, and the endoscope lens 12 is inserted into the user's oral cavity to perform live view. For the design of the insertion part, it includes an insertion body 11 integrally formed with the toothbrush body 10 and a detachable brush head housing 2, the end of the insertion body 11 is equipped with the endoscope lens 12; the brush head housing One end of 2 is sheathed 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 . Inside the brush head housing 2, there are rotating cavities which are respectively matched with the transmission gear and the brush head. In practical application, a common rotating cavity is arranged inside the brush head housing 2. The utility model is installed in the rotating cavity, and the transmission gear and the brush head can perform normal rotating motion.

In order to meet the functional requirements of the transmission gear, the transmission gear should be rotatably arranged. At the same time, a hollow through hole needs to be opened inside 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 its rotation, a through hole matching the transmission gear is opened on the brush head housing 2. During installation, the transmission gear passes through the through hole and then is sleeved on the endoscope. The outside of the endoscope lens 12, so that when the transmission gear rotates, the transmission gear will not interfere with the endoscope lens 12, and at the same time, the hollow through hole of the transmission gear can meet the needs of the endoscope lens 12 for image acquisition. .

In order to achieve the above-mentioned functions, at least one annular notch is provided on the outside of the transmission gear, and one side of the annular notch is provided with an A transmission tooth 13, through which the A transmission tooth 13 interacts with the driving mechanism and/or the brush head. drive connection. Under the cooperative action of the annular notch and the driving mechanism and/or the brush head, it can not only transmit the rotational motion of the transmission gear, but also satisfy the limiting effect of the transmission gear.

In order to drive the transmission gear to work normally, a driving mechanism should also be provided, through which the transmission gear is driven to rotate and limit its position. The advantage of the design of the driving mechanism is that it can not only drive the transmission gear to rotate, but also have a good limiting effect on the transmission gear when it rotates. In practical application, the driving mechanism includes a rotary bearing 1 and a motor 3, the motor 3 is installed in the toothbrush body 10 and the output shaft of the motor 3 extends to the outside, and the output shaft of the motor 3 is connected with the rotary bearing 1 in a driving manner (the connection There are many ways, and the existing conventional socket connection can be used, which will not be repeated here). A C transmission tooth 15 is provided at the other end of the rotary bearing 1. The C transmission teeth 15 are embedded in the annular notch and can be meshed with the A transmission teeth 13 , and further, the transmission between the rotary bearing 1 and the A transmission teeth 13 can be realized. In order to realize the installation of the rotary bearing 1, an assembly through hole is provided inside the brush head shell 2, the rotary bearing 1 is sleeved in the assembly through hole, and a retaining plug 9 is sleeved at one end of the rotary bearing 1, and the retaining plug 9 is sleeved. The position plug 9 is assembled in the assembly through hole, so that the fixed plug can satisfy the normal rotation movement of the rotary bearing 1 in the assembly through hole, and can also play a certain retaining effect on the rotary bearing 1 to prevent it from appearing during operation. loose, or even fall off.

It also includes an important component for cleaning the user's oral cavity, that is, a rotating brush head, a transmission connection is set between the brush head and the transmission gear, and the brush head faces the side where the endoscope lens 12 captures images. . In practical application, specifically, the brush head includes a gear member and a brush head provided on the gear member, the gear member is matched with the annular notch, and a part of the gear member can be embedded into the annular notch, and the gear member can be inserted into the annular notch. One side of the piece is provided with a B transmission tooth 14 that meshes with the A transmission tooth 13 .

In order to further satisfy the functional richness of the electric toothbrush, the brush heads are selected as the gap brush head 5 , the polishing cup brush head 6 , the flat tooth brush head 7 and the silicone brush head 8 . Among them, the gap brush head 5 is an important cleaning tool in the daily maintenance of the oral cavity, and is also called an interdental brush. However, not everyone needs to use this tool. If the alveolar bone resorption and gingival recession caused by periodontal disease cause the interdental space to become larger, or if the interdental space increases due to the physiological gingival recession of the elderly, it is an excellent time to use the interdental brush. The polishing cup brush head 6 is mainly used for tooth polishing. Different tooth positions are polished with different polishing brushes. After the teeth are polished, the teeth become white and flawless, and at the same time, it reduces the infection of some bacteria on the teeth and protects the teeth. The flat toothbrush head 7 can effectively remove food residues, plaque, calculus, etc., but does not damage the teeth and gums. At the same time, the force of the flat toothbrush is relatively uniform. As long as you choose a smaller brush head, all surfaces of the teeth are cleaned. More flexible and convenient. The silicone brush head 8 has the characteristics of non-oxidation, non-degradation and non-deformation, and can promote the blood circulation of gingival tissue.

In practical application, an annular notch is provided on the outside of the transmission gear, and as shown in FIG. 2 , the side where the A transmission tooth 13 is located in the annular notch is close to the endoscope lens 12 , and is driven by the A transmission. The tooth 13 is connected with the drive mechanism and the brush head at the same time, or, as shown in FIG. 7, the side where the transmission tooth 13 is located in the annular notch is far away from the endoscope lens 12, and is also driven by the A. The teeth 13 are in driving connection with the drive mechanism and the brush head at the same time. Specifically, the gear member of the brush head is arranged parallel to the transmission gear, and the gear member is provided with a B transmission tooth 14 meshing with the A transmission tooth 13 on the side close to the endoscope lens 12; in the driving mechanism The rotary bearing 1 is arranged vertically relative to the transmission gear, and the end of the rotary bearing 1 is provided with a C transmission tooth 15 which meshes with the A transmission tooth 13 .

In this embodiment, a detachable brush head housing 2 is adopted, which also has good assembling properties. The specific assembling process is as follows:

First, assemble and mesh the gear part of the brush head with the annular notch of the transmission bearing. After the assembly is completed, install the whole into the rotating cavity. Then, insert the rotating bearing 1 into the assembly through hole, and make the rotating bearing The C transmission teeth 15 at the end of 1 protrude into the corresponding annular notch on the transmission bearing. This time, the C transmission teeth 15 mesh with the A transmission teeth 13;

Then, the assembled brush head housing 2 is installed on the toothbrush body 10 as a whole, and the end of the rotary bearing 1 is assembled and connected to the output shaft of the motor 3. The endoscope lens 12 is sleeved into the hollow through hole of the transmission gear, thereby completing the overall assembly.

Example 2

In Embodiment 1, a hollow rotary electric toothbrush with replaceable brush heads is specifically provided. The inner transmission gear of the electric toothbrush adopts a single annular notch for power transmission. In this embodiment, as shown in FIGS. 11-20 , The difference from Embodiment 1 is that there are two annular grooves arranged in parallel on the outside of the transmission gear, and the A transmission teeth 13 are respectively provided on the same side or different sides of the annular grooves, and The drive mechanism and the brush head are respectively connected to the drive mechanism through each of the A transmission teeth 13 . Specifically, as shown in FIG. 12 , the two A transmission teeth 13 are arranged on the left side of the two annular slots, and the two A transmission teeth 13 can also be arranged in the two annular slots. (as shown in FIG. 17 ), or alternatively, the two A transmission teeth 13 are respectively arranged on the left side of one annular slot and the right side of the other annular slot.

In this embodiment, the brush head is also arranged in the rotating cavity parallel to the axis of the transmission gear, and the gear part of the brush head meshes with the A transmission teeth 13 in the annular notch away from the endoscope lens 12, and at the same time, The rotary bearing 1 meshes with the A transmission teeth 13 in the annular groove close to the endoscope lens 12 .

As for this embodiment, the related working principle and assembling method of the hollow rotary electric toothbrush provided by it will not be repeated.

Example 3

In the above-mentioned Embodiment 1 and Embodiment 2, the brush heads are arranged parallel to the transmission gears, but in this embodiment, the brush heads are arranged obliquely, and the extension line of the inclined direction where the brush heads are located should be It intersects with the center line of the endoscope lens 12 to ensure that the tip of the brush head can be observed in the viewing area of the endoscope lens 12 , and the interior of the oral cavity can be cleaned with the brush head.

In this embodiment, as shown in Fig. 21-Fig. 27, the brush head is arranged in the rotating cavity in an inclined manner, in order to further improve the stability and reliability of its operation, an auxiliary gear is provided at one end of the gear member. A rotating shaft, the auxiliary rotating shaft is rotatably arranged in the transmission cavity corresponding to the brush head. At the same time, the A transmission tooth 13 and the B transmission tooth 14 are meshed with a bevel gear. When the B transmission tooth 14 meshes with the A transmission tooth 13 Afterwards, the transmission gear can have a good limiting effect on the gear member, 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 present utility model is not limited to the above-mentioned optional embodiments, and anyone can draw other various forms of products under the inspiration of the present utility model. The technical solutions within the scope defined by the claims all fall within the protection 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 portion provided on the toothbrush body (10), characterized in that the electric toothbrush further comprises: an endoscope lens (12) arranged on the insertion part; A transmission gear arranged in rotation, a hollow through hole is opened inside the transmission gear, and the endoscope lens (12) collects images through the hollow through hole; a driving mechanism, through which the transmission gear is driven to rotate and limit its position; a rotating brush head, the brush head is drivingly connected with the transmission gear, and the brush head faces the side where the endoscope lens (12) collects images; The insertion part comprises an insertion body (11) and a detachable brush head housing (2), the end of the insertion body (11) is equipped with the endoscope lens (12); the brush head housing (2) ) is sleeved on the outside of the endoscope lens (12), and the inside of the brush head housing (2) is provided with rotating cavities which are respectively matched with the transmission gear and the brush head. 2 . The hollow rotary electric toothbrush with replaceable brush heads according to claim 1 , wherein at least one annular notch is formed on the outside of the transmission gear, and A transmission tooth is arranged on one side of the annular notch. 3 . (13), through the A transmission teeth (13) for driving 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 an annular notch is provided on the outside of the transmission gear, and the A transmission tooth (13) is located in the annular notch. 4 . One side is close to or far away from the endoscope lens (12), and is connected with the drive mechanism and the brush head simultaneously through the A transmission teeth (13). 4 . The hollow rotary electric toothbrush with replaceable brush head according to claim 2 , wherein two annular grooves arranged in parallel are arranged on the outside of the transmission gear, and the same in each annular groove The A transmission teeth (13) are respectively provided on one side or on different sides, and are respectively connected with the driving mechanism and the brush head through the A transmission teeth (13). 5 . The hollow rotary electric toothbrush with replaceable brush heads according to claim 2 , wherein the brush head comprises a gear member and a brush head provided on the gear member, the gear member and the annular The notches are matched, and one side of the gear member is provided with a B transmission tooth (14) that meshes with the A transmission tooth (13). 6 . The hollow rotary electric toothbrush with replaceable brush heads according to claim 5 , wherein the brush heads are set as a gap brush head ( 5 ), a polishing cup brush head ( 6 ), and a flat tooth brush head ( 7 ). 7 . ) and the silicone brush head (8). 7 . The hollow rotary electric toothbrush with replaceable brush heads according to claim 5 , wherein the gear member is arranged in parallel or obliquely with respect to the transmission gear, and if the gear member is arranged obliquely, the One end is provided with an auxiliary rotating shaft, and the auxiliary rotating shaft is rotatably arranged in the transmission cavity corresponding to the brush head. 8 . The hollow rotary electric toothbrush with replaceable brush head according to claim 7 , wherein the driving mechanism comprises a rotary bearing ( 1 ) and a motor ( 3 ), and the output shaft of the motor ( 3 ) is connected to the motor ( 3 ). The rotary bearing (1) is connected for transmission, and the other end of the rotary bearing (1) is provided with a C transmission tooth (15), and the C transmission tooth (15) is embedded in the annular groove and meshes with the A transmission tooth (13). . 9 . The hollow rotary electric toothbrush with replaceable brush heads according to claim 8 , wherein the brush head housing ( 2 ) is provided with an assembly through hole, and the assembly through hole is sleeved with the rotary bearing ( 1 ). 10 . ) and one end of the rotary bearing (1) is sleeved with a retaining plug (9), the retaining plug (9) is assembled in the assembly through hole.

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