A new U-shaped toothbrush

Abstract

The application discloses a new U-shaped toothbrush in the technical field of electric toothbrushes, which comprises a holding device, a motor is arranged in the holding device, a brush head is connected to the front end of the holding device, the brush head is arranged in a U-shaped structure, a transmission mechanism is fixedly connected to the inner center of the brush head, the output shaft of the motor is in transmission connection with the transmission mechanism, tooth grooves are arranged on the upper and lower surfaces of the brush head, a plurality of groups of fixing plates are connected to the inside of the brush head, the fixing plates are arranged in the tooth grooves at equal distances, and five groups of twisted wire brushes are arranged on the two side surfaces of the transmission mechanism.

Description

Technical Field

[0001] This invention relates to the field of electric toothbrush technology, specifically a novel U-shaped toothbrush. Background Technology

[0002] As people's living standards improve, dental health is receiving increasing attention, and electric toothbrushes, as a new type of oral hygiene product, are gradually entering people's daily lives. Compared with traditional toothbrushes, electric toothbrushes offer more efficient cleaning. With traditional toothbrushes, cleaning teeth relies primarily on subjective feeling; insufficient brushing time or incorrect brushing techniques can reduce the actual cleaning effect. Electric toothbrushes, through their rotation or vibration, have a larger contact area and more strokes per unit time, comprehensively covering and repeatedly cleaning the tooth surface and interdental spaces, theoretically resulting in superior cleaning.

[0003] However, existing electric toothbrushes still have some problems:

[0004] First, an electric toothbrush needs to stay on each tooth surface for a period of time, and it needs to cover three tooth surfaces to achieve the purpose of cleaning teeth. Therefore, it takes a relatively long time, and using an electric toothbrush requires sufficient patience and skill.

[0005] Secondly, electric toothbrushes haven't changed the way people brush their teeth. Humans still hold the toothbrush and constantly change brushing positions to achieve a cleaning effect. For young children, the elderly, or those with mobility issues who don't know the proper brushing technique (Bass brushing method) or lack the ability to brush properly, there are certain difficulties in using them. Simply placing the electric toothbrush in the mouth without moving it up and down synchronously cannot thoroughly clean bacteria in the pits, fissures, and gaps between teeth, which can still lead to dental problems. Currently, many people even use a forceful horizontal brushing method, causing many diseases such as gum recession. Therefore, in terms of brushing motion, there is not much difference between electric and traditional toothbrushes.

[0006] Therefore, we propose a new type of U-shaped toothbrush. Summary of the Invention

[0007] The purpose of this invention is to provide a novel U-shaped toothbrush to solve the problems mentioned in the background art.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a novel U-shaped toothbrush, comprising a grip, a motor installed inside the grip, a brush head connected to the front end of the grip, the brush head being U-shaped, a transmission mechanism fixedly connected to the center of the brush head, the output shaft of the motor being drivenly connected to the transmission mechanism, tooth grooves provided on both the upper and lower surfaces of the brush head, several sets of fixing plates connected inside the brush head, the fixing plates being equally spaced and installed in the tooth grooves, five sets of twisted brushes installed on both sides of the transmission mechanism, the five sets of twisted brushes being located at the four corners and the center of the transmission mechanism respectively, the twisted brushes being fitted into the fixing plates, a through groove connecting the upper and lower tooth grooves inside the brush head, two sets of twisted brushes installed on both the upper and lower sides of the tooth grooves, the two sets of twisted brushes being located on the inner and outer sides of the tooth grooves respectively, and the two sets of twisted brushes connected to the center of the transmission mechanism being installed inside the two sides of the through groove respectively.

[0009] Preferably, the transmission mechanism includes a housing connected to the center of the brush head, the housing being "H"-shaped, a transmission shaft inserted inside the housing, the transmission shaft being connected to the output shaft of the motor, two sets of drive modules installed inside the housing, the transmission shaft being connected to the two sets of drive modules, the two sets of drive modules being located on the front and rear sides of the housing respectively, and five sets of twisted brushes being installed on the drive modules.

[0010] Preferably, the drive module includes a drive gear connected to the surface of the transmission shaft. The drive structure includes two sets of driven gears A and two sets of driven gears B inserted inside the housing. The two sets of driven gears A are located on the upper and lower sides of the drive gear, and both sets of driven gears A are meshed with the transmission shaft. The two sets of driven gears B are located on the outer sides of the two sets of driven gears A, and adjacent driven gears A and B are meshed with each other. Each driven gear B has a mounting slot inside for inserting and fixing a twisted wire brush. The drive gear B has a through-hole mounting slot inside. The drive module also includes driven gears C, D, and E inserted inside the housing. Driven gear C is located on one side of driven gear A and meshes with driven gear A. Driven gear D is located on one side of driven gear C and meshes with driven gear C. Driven gear E is located on one side of driven gear D and meshes with driven gear D. Driven gear E is located at the center of the housing, and the drive gear E has a through-hole mounting slot inside.

[0011] Preferably, the driving gear, driven gear A, driven gear B, driven gear C, driven gear D, and driven gear E are all configured as helical gears.

[0012] Preferably, the two sets of driven gears B on the drive module rotate in opposite directions, with the driven gear B rotating from the gum side toward the teeth.

[0013] Preferably, the twisted brush is fixed in the mounting slot by a snap fastener.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. This solution uses a "U" shaped brush head to fit the user's oral cavity and teeth. The brush head is equipped with ten sets of twisted brushes, which can simultaneously cover the user's gums and teeth. Furthermore, when the ten sets of twisted brushes rotate at the same time, they can effectively and thoroughly clean the teeth.

[0016] 2. This solution uses ten sets of twisted brushes connected to a transmission mechanism. The transmission mechanism is driven by a motor inside the holder, which controls the synchronous rotation of the ten sets of twisted brushes. During the cleaning process, the twisted brushes always rotate from the gums to the teeth, which can avoid damaging the user's gums.

[0017] 3. This solution cleans teeth by physically rotating a twisted brush. Compared to existing methods of brushing with sonic vibrations or manual up-and-down motion, it achieves Bass brushing, which is fast, clean, and effective. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the internal structure of the brush head of the present invention;

[0020] Figure 3 This is a schematic diagram of the internal structure of the gripper of the present invention;

[0021] Figure 4 This is a schematic diagram of the external structure of the transmission mechanism of the present invention;

[0022] Figure 5 This is a schematic diagram of the internal structure of the transmission mechanism of the present invention;

[0023] Figure 6 This is a schematic diagram of the transmission mechanism of the present invention.

[0024] In the diagram: 1. Holder; 2. Motor; 3. Transmission mechanism; 301. Housing; 302. Drive shaft; 303. Drive gear; 304. Driven gear A; 305. Driven gear B; 306. Driven gear C; 307. Driven gear D; 308. Driven gear E; 309. Mounting slot; 4. Brush head; 5. Tooth groove; 6. Fixing plate; 7. Twisted brush; 8. Through groove. Detailed Implementation

[0025] Example

[0026] Please see Figure 1-6 The present invention provides a technical solution:

[0027] A new type of U-shaped toothbrush has a brush head 4 connected to the front end of the holder 1. The brush head 4 is set in a "U" shape so that it fits the teeth of the human mouth. When in use, the brush head 4 can be inserted into the mouth, so that the brush head 4 can clean the user's upper and lower teeth simultaneously.

[0028] Furthermore, the upper and lower surfaces of the brush head 4 are provided with grooves 5, so that when the user inserts the brush head 4 into their mouth, the user's upper and lower teeth are respectively located in the upper and lower sets of grooves 5, further enabling the cleaning components in the brush head 4 to clean the tooth surface more completely and effectively. Multiple sets of fixing plates 6 are connected internally to the brush head 4 and distributed in the grooves 5. A transmission mechanism 3 is connected to the center of the brush head 4. Five sets of twisted brushes 7 are installed on both sides of the transmission mechanism 3, located at the four corners and the center of the transmission mechanism 3, respectively. Each set of twisted brushes 7 is fitted into the fixing plate 6. A motor 2 is installed internally in the holder 1. The output shaft of the motor 2 is connected to the transmission mechanism 3, so that when the motor 2 is turned on, it drives the transmission mechanism 3 to run and simultaneously drives the ten sets of twisted brushes 7 to rotate, further cleaning the user's teeth through the twisted brushes 7. The brush head 4 has a through groove 8 connecting the upper and lower sets of tooth grooves 5. Two sets of twisted brushes 7 are connected to both the upper and lower sides of each tooth groove 5, located on the inner and outer sides respectively. When a user's teeth are inserted into the tooth groove 5, the twisted brushes 7 on both sides clean the surfaces of the teeth. Simultaneously, two sets of twisted brushes 7 connected to the center of the transmission mechanism 3 are installed inside the through groove 8 on both sides. This further allows the twisted brushes 7 inside the through groove 8 to contact the end face of the teeth after insertion into the tooth groove 5. Through the structure of ten sets of twisted brushes 7, a complete cleaning of the user's teeth can be achieved, further improving the cleaning effect and efficiency.

[0029] The transmission mechanism 3 includes a housing 301 connected to the center of the brush head 4. The housing 301 is H-shaped, and a transmission shaft 302 is inserted inside the housing 301. The transmission shaft 302 is connected to the output shaft of the motor 2. Two sets of drive modules are installed inside the housing 301, located on the front and rear sides of the housing 301 respectively. Each drive module is equipped with five sets of twisted brushes 7. When the motor 2 is turned on, it drives the transmission shaft 302 to rotate, and synchronously drives the two sets of drive modules through the transmission shaft 302, ultimately achieving synchronous driving of ten sets of twisted brushes 7, thereby providing comprehensive and synchronous cleaning of the user's teeth.

[0030] The drive module includes a drive gear 303 connected to the surface of the drive shaft 302. The drive structure includes two sets of driven gears A304 and two sets of driven gears B305 inserted inside the housing 301. The two sets of driven gears A304 are located on the upper and lower sides of the drive gear 303, and both sets of driven gears A304 are meshed with the drive shaft 302. The two sets of driven gears B305 are located outside the two sets of driven gears A304, and adjacent driven gears A304 and B305 are meshed with each other. The driven gear B305 has a mounting slot 309 inside, which is used to insert and fix a twisted brush 7. During rotation, the driven gear B305 drives the installed twisted brush 7 to rotate, thus cleaning the user's teeth surface. The mounting slot 309 inside the driven gear B305 is through-hole shaped, allowing two sets of twisted brushes 7 to be mounted on each driven gear B305, with the two sets of twisted brushes 7 facing opposite directions. When the transmission mechanism 3 is running, the motor 2 drives the transmission shaft 302 to rotate, controlling the drive gear 303 to mesh with two sets of driven gears A304 to rotate. The two sets of driven gears A304 mesh with two sets of driven gears B305 respectively, further driving the four sets of twisted brushes 7 to rotate synchronously for cleaning. The two drive modules are distributed inside and outside the brush head 4, with the inner drive module driving the four sets of twisted brushes 7 to clean the outer surface of the teeth, and the outer drive module driving the four sets of twisted brushes 7 to clean the inner surface of the teeth.

[0031] The drive module also includes driven gears C306, D307, and E308 inserted inside the housing 301. Driven gear C306 is located on one side of driven gear A304 and meshes with driven gear A304. Driven gear D307 is located on one side of driven gear C306 and meshes with driven gear C306. Driven gear E308 is located on one side of driven gear D307 and meshes with driven gear D307. Driven gear E308 is located at the center of the housing 301. The driven gear E308 also has a through-hole mounting slot 309 for mounting two sets of twisted wire brushes 7. The two sets of twisted wire brushes 7 face the inside of the housing 301, and the two sets of twisted wire brushes 7 installed in the driven gear E308 are respectively mounted on both sides of the through slot 8. Furthermore, during operation, the transmission mechanism 3 rotates via driven gear A304 meshing with driven gear C306, which in turn meshes with driven gear D307, which in turn meshes with driven gear E308, driving the two sets of twisted brushes 7 to rotate. This allows the two sets of twisted brushes 7 mounted on driven gear E308 to clean the end faces of the user's teeth, thus achieving comprehensive coverage of the user's gums and teeth. Furthermore, the simultaneous rotation of all ten sets of twisted brushes 7 provides effective and thorough cleaning.

[0032] Drive gear 303, driven gear A304, driven gear B305, driven gear C306, driven gear D307, and driven gear E308 are all helical gears. The two sets of drive gears 303 connected to the surface of the transmission shaft 302 have opposite helical directions. This further ensures that when the transmission shaft 302 drives the two sets of drive gears 303 to rotate, the two sets of driven gears B305 on the two drive modules will rotate in opposite directions. This further ensures that the two sets of twisted wire brushes 7 installed on the drive module rotate in opposite directions. Both sets of twisted wire brushes 7 rotate from the gum to the teeth, allowing the twisted wire brushes 7 to physically rotate and brush the teeth without damaging the gums.

[0033] The twisted brush 7 is fixed in the mounting slot 309 by a clip, which allows the twisted brush 7 to be quickly pulled out of the mounting slot 309 for replacement, improving the convenience of use.

Claims

1. A novel U-shaped toothbrush, comprising a grip (1), wherein a motor (2) is installed inside the grip (1), characterized in that: The front end of the gripper (1) is connected to a brush head (4), which is U-shaped. A transmission mechanism (3) is fixedly connected to the center of the brush head (4). The output shaft of the motor (2) is connected to the transmission mechanism (3). The upper and lower surfaces of the brush head (4) are provided with tooth grooves (5). Several sets of fixing plates (6) are connected inside the brush head (4). The fixing plates (6) are evenly distributed and installed in the tooth grooves (5). Five sets of twisted brushes are installed on both sides of the transmission mechanism (3). 7) The five sets of twisted brushes (7) are located at the four corners and the center of the transmission mechanism (3). The twisted brushes (7) are all fitted into the fixed plate (6). The brush head (4) has a through groove (8) inside that connects the upper and lower tooth grooves (5). Two sets of twisted brushes (7) are installed in the upper and lower sides of the tooth groove (5). The two sets of twisted brushes (7) are located in the inner and outer sides of the tooth groove (5). The two sets of twisted brushes (7) connected to the center of the transmission mechanism (3) are installed in the inner and outer sides of the through groove (8).

2. The novel U-shaped toothbrush according to claim 1, characterized in that: The transmission mechanism (3) includes a housing (301) connected to the center of the brush head (4). The housing (301) is H-shaped. A transmission shaft (302) is inserted inside the housing (301). The transmission shaft (302) is connected to the output shaft of the motor (2). Two sets of drive modules are installed inside the housing (301). The transmission shaft (302) is connected to the two sets of drive modules. The two sets of drive modules are located on the front and rear sides of the housing (301) respectively. Five sets of twisted brushes (7) are installed on the drive modules.

3. A novel U-shaped toothbrush according to claim 2, characterized in that: The drive module includes a drive gear (303) connected to the surface of the drive shaft (302). The drive structure includes two sets of driven gears A (304) and two sets of driven gears B (305) inserted inside the housing (301). The two sets of driven gears A (304) are located on the upper and lower sides of the drive gear (303). Both sets of driven gears A (304) are meshed with the drive shaft (302). The two sets of driven gears B (305) are located on the outer side of the two sets of driven gears A (304). Adjacent driven gears A (304) and B (305) are meshed. The driven gear B (305) has a mounting slot (309) inside. The mounting slot (309) is used to insert and fix the twisted wire brush (7). The internal mounting slot (309) is through-hole at both ends. The drive module also includes driven gear C (306), driven gear D (307), and driven gear E (308) inserted inside the housing (301). Driven gear C (306) is located on one side of driven gear A (304) and meshes with driven gear A (304). Driven gear D (307) is located on one side of driven gear C (306) and meshes with driven gear C (306). Driven gear E (308) is located on one side of driven gear D (307) and meshes with driven gear D (307). Driven gear E (308) is located at the center of the housing (301). The internal mounting slot (309) of driven gear E (308) is through-hole at both ends.

4. A novel U-shaped toothbrush according to claim 3, characterized in that: The drive gear (303), driven gear A (304), driven gear B (305), driven gear C (306), driven gear D (307), and driven gear E (308) are all helical gears.

5. A novel U-shaped toothbrush according to claim 4, characterized in that: The two sets of driven gears B (305) on the drive module rotate in opposite directions, with the driven gears B (305) rotating from the gum side toward the teeth.

6. A novel U-shaped toothbrush according to claim 3, characterized in that: The twisted brush (7) is fixed in the mounting slot (309) by a snap fastener.

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