CN114376754B

CN114376754B - Electric toothbrush suitable for children

Info

Publication number: CN114376754B
Application number: CN202111561234.XA
Authority: CN
Inventors: 徐俊峰
Original assignee: Hangzhou University Of Electronic Technology Technology Transfer Co ltd
Current assignee: Hangzhou University Of Electronic Technology Technology Transfer Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-11-01
Anticipated expiration: 2041-12-16
Also published as: WO2023108973A1; CN114376754A

Abstract

The invention discloses an electric toothbrush suitable for infants, which comprises a brush head and a handle, wherein the brush head is arranged on the handle, the brush head is of a U-shaped structure, the brush head comprises an upper brush body, a lower brush body and brush strips, the upper brush body and the lower brush body are symmetrically arranged and are respectively provided with a U-shaped occlusion groove, U cavities are respectively arranged in the brush bodies on two sides of the occlusion groove, a plurality of guide rollers are arranged in the U cavities, the guide rollers are arranged in a wavy manner, the brush strips are sequentially wound and connected to the outer walls of all the guide rollers in a wavy manner, a driving mechanism is arranged in the handle, two ends of the brush strips are respectively connected to the driving mechanism, the brush strips are pulled to reciprocate through the forward and backward operation of a driving motor, and then the comprehensive cleaning of teeth can be automatically completed, the cooperation of the actions of hands is not needed, the practical requirements of the infants can be met, in addition, the transverse cleaning and the longitudinal cleaning are also performed in the reciprocating movement by setting the brush strips into a wavy manner, so that the crevices can be cleaned, and the residues of bacteria can be avoided.

Description

Electric toothbrush suitable for children

Technical Field

The invention relates to the technical field of toothbrushes, in particular to an electric toothbrush suitable for infants.

Background

With the popularity of intelligent household appliances, electric toothbrushes become the mainstream product of washing. At present, most electric toothbrushes on the market generally comprise a handle and a brush head, wherein the motor core is installed in the handle, and the brush head generates high-frequency vibration through the quick rotation or vibration of the motor core, so that toothpaste is instantly decomposed into fine foam to deeply clean slits between teeth, and meanwhile, the vibration of bristles can promote the blood circulation of the oral cavity and has a massage effect on gingival tissues.

But such powered toothbrushes are only suitable for older children and adults. For children who are still in the infancy stage, tooth brushing is only one form for them, and it is difficult to actually complete the whole process of tooth brushing by means of an electric toothbrush, so that toothpaste can be decomposed into fine bubbles, and teeth between teeth, especially inside the oral cavity, cannot be really cleaned deeply. In addition, the hand strength of the infant is small, and the vibration of the electric toothbrush is difficult to control. Therefore, the brush head of the electric toothbrush easily injures the gums of a child during the vibration.

Disclosure of Invention

The invention provides an electric toothbrush suitable for infants according to the defects of the prior art, which can still complete deep cleaning for the infants who are not good at working by arranging a U-shaped tooth socket and arranging bristles capable of reciprocating in the tooth socket.

In order to solve the technical problems, the technical scheme of the invention is as follows:

the utility model provides an electric toothbrush suitable for infant, includes brush head and handle, the brush head is installed on the handle, the brush head is U type structure, the brush head is including the upper brush body, lower brush body and brush strip, be the symmetrical structure setting on the upper brush body and the lower brush body, and be equipped with the interlock groove of U type respectively, the internal U die cavity that all is equipped with of brush of interlock groove both sides, be provided with a plurality of guide rollers in the U die cavity, the guide roller is wavy range, the brush strip is wavy in proper order the wraparound to the outer wall of all guide rollers, be equipped with actuating mechanism in the handle, the both ends of brush strip are connected to actuating mechanism respectively.

Preferably, the brush bar comprises a brush bar body, bristles are arranged in the middle of one side of the brush bar body, an annular groove is formed in the radial outer wall of the guide roller, the brush bar body is embedded into the annular groove, and the bristles are located on the outer wall of the guide roller.

Preferably, the brush bar body is supported by soft rubber.

Preferably, the handle comprises a handle body, a cavity is arranged in the handle body, the cavity is divided into a power cavity and a power supply cavity through a partition plate, the driving device is installed in the power cavity, and a power supply device is arranged in the power supply cavity.

Preferably, a wire passing groove is formed between the upper brush body and the lower brush body, two traction channels are arranged on the handle body, and two ends of each traction channel are respectively communicated with the wire passing groove and the power cavity.

Preferably, both ends of the brush strip body are respectively connected with a traction rope, and the traction ropes sequentially pass through the wire passing groove and the traction channel to extend into the power cavity and are connected to the driving mechanism.

Preferably, the driving mechanism comprises a driving motor, a driving gear and a transmission rack, the driving motor is fixedly installed in the power cavity, the driving gear is installed at the power output end of the driving motor, one side of the transmission rack is meshed with the driving gear, and two ends of the transmission rack are fixedly connected with the end portions of the two traction ropes respectively.

Preferably, two tensioning wheels are arranged in the power cavity, the two tensioning wheels are respectively located below the two traction channels, and the two traction ropes are respectively wound to the tensioning wheels.

Preferably, the driving motor is a micro stepping motor.

Preferably, the surfaces of the upper brush body and the lower brush body are coated with a silica gel layer.

The invention has the following characteristics and beneficial effects:

adopt above-mentioned technical scheme, simple structure, the technique is reasonable, through driving motor's positive and negative operation to pulling brush strip reciprocating motion, and then can accomplish the comprehensive washing to the tooth automatically, need not hand action cooperation, can satisfy infant's practical demand, in addition, through setting up the brush strip into the wavy, and then existing horizontal washing also has fore-and-aft washing in reciprocating motion, can wash the slit between the teeth, avoids remaining of bacterium.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

FIG. 2 is a cross-sectional view of the brush head of FIG. 1;

FIG. 3 is a schematic view of the structure of the guide roller of FIG. 2;

fig. 4 is a schematic view of the structure of the brush bar in fig. 2.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention provides an electric toothbrush suitable for infants, which comprises a brush head 1 and a handle 2, wherein the brush head 1 is arranged on the handle 2, the brush head 1 is of a U-shaped structure, the brush head 1 comprises an upper brush body 104, a lower brush body 106 and a brush strip, the upper brush body 104 and the lower brush body 106 are symmetrically arranged and are respectively provided with a U-shaped occlusion groove, U-shaped cavities 105 are respectively arranged in the

brush bodies

104 and 106 at two sides of the occlusion groove, a plurality of guide rollers 102 are arranged in the U-shaped cavities 105, the guide rollers 102 are arranged in a wavy manner, the brush strip is sequentially wound on the outer walls of all the guide rollers 102 in a wavy manner, a driving mechanism is arranged in the handle 2, and two ends of the brush strip are respectively connected to the driving mechanism.

It will be appreciated that one side of the U-shaped cavity communicates to the engagement groove.

Among the above-mentioned technical scheme, simple structure, the technique is reasonable, only needs the user to interlock the tooth respectively to the occlusal groove in, can accomplish the washing to the tooth through actuating mechanism pulling brush strip reciprocating motion, need not the hand and removes the cooperation, is suitable for the infant and brushes the teeth.

In addition, be wavy structure setting to make the brush strip in reciprocating motion process, can realize horizontal and fore-and-aft motion simultaneously, and then thoroughly wash the slit between teeth, avoid the remaining of bacterium.

Specifically, as shown in fig. 3 and 4, the brush bar comprises a brush bar body 107, bristles 108 are arranged in the middle of one side of the brush bar body 107, an annular groove 102-1 is formed in the radial outer wall of the guide roller 102, the brush bar body 107 is embedded into the annular groove 102-1, and the bristles 108 are located on the outer wall of the guide roller 102.

In the technical scheme, the brush strip body 107 and the annular groove 102-1 are arranged, so that the brush strip plays a role in positioning the brush strip in the z direction in the movement process, and the brush strip is prevented from displacing and further separating from the U-shaped cavity.

Further, the brush bar body 107 is supported by soft rubber. The wavy motion can be realized to the brush strip body of being convenient for.

According to the further arrangement of the invention, the handle 2 comprises a handle body 201, a cavity is arranged in the handle body 201, the cavity is divided into a power cavity 202 and a power supply cavity 204 through a partition plate 203, the driving device is arranged in the power cavity 202, and a power supply device is arranged in the power supply cavity 204. A wire passing groove 101 is formed between the upper brush body 104 and the lower brush body 106, two traction channels 205 are arranged on the handle body 201, and two ends of each traction channel 205 are respectively communicated with the wire passing groove 101 and the power cavity 202. Two ends of the brush bar body 107 are respectively connected with a traction rope 210, and the traction rope 210 sequentially passes through the wire passing groove 101 and the traction channel 205 to extend into the power cavity 202 and is connected to a driving mechanism. The driving mechanism comprises a driving motor 208, a driving gear 207 and a transmission rack 209, the driving motor 208 is fixedly installed in the power cavity 202, the driving gear 207 is installed at the power output end of the driving motor 208, one side of the transmission rack 209 is meshed with the driving gear 207, and two ends of the transmission rack 209 are fixedly connected with the end portions of two traction ropes 210 respectively. Two tension pulleys 206 are arranged in the power cavity 202, the two tension pulleys 206 are respectively located below the two traction channels 205, and the two traction ropes 210 are respectively wound around the tension pulleys 206.

Among the above-mentioned technical scheme, simple structure, the technique is reasonable, and low in production cost is honest and clean, through setting up take-up pulley 206, and then ensures that the brush strip is in the tensioning state to improve the cleaning performance.

Further, the driving motor 208 is a micro stepping motor. The size is small, the installation to the handle is convenient, and the forward and reverse rotation is convenient to realize.

Further, the surfaces of the upper brush body 104 and the lower brush body 106 are coated with a silicone layer 103.

Conceivably, the arrangement of the silica gel layer 103 has a good protective effect on gums and meets the hygienic requirement of food grade.

It can be understood that the upper and lower surfaces of the upper brush body 104 and the lower brush body 106 are both provided with notches communicated to the U-shaped cavity, and the silica gel layer is correspondingly provided with notches, so that the brush head after the tooth brushing operation is finished is conveniently washed, and bacteria remained in the brush head is avoided.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments, including the components, without departing from the principles and spirit of the invention, and still fall within the scope of the invention.

Claims

1. The electric toothbrush suitable for the infants comprises a brush head (1) and a handle (2), wherein the brush head (1) is installed on the handle (2), and is characterized in that the brush head (1) is of a U-shaped structure, the brush head (1) comprises an upper brush body (104), a lower brush body (106) and brush strips, the upper brush body (104) and the lower brush body (106) are symmetrically arranged and are respectively provided with a U-shaped occlusion groove, U-shaped cavities (105) are arranged in the brush bodies (104 and 106) on two sides of the occlusion groove, a plurality of guide rollers (102) are arranged in the U-shaped cavities (105), the brush strips are wound to the outer walls of all the guide rollers (102), a driving mechanism is arranged in the handle (2), two ends of the brush strips are respectively connected to the driving mechanism, the brush strips are sequentially wound to the outer walls of all the guide rollers (102) in a wavy manner, the brush strips comprise brush strip bodies (107), bristles (108) are arranged in the middle of one side of the brush strip body (107), the outer walls of the guide rollers (102) are radially arranged in the radial direction, the outer walls (1-102), the brush strip bodies (1) are embedded into the handle (102), and are arranged in a power supply (201) to the handle (201), and the cavity (201) is arranged in the handle (102), and the handle (201), and the cavity (201) and the handle (102), and the handle (201) are arranged in the handle (102), and the handle (201) 204 The electric brush is characterized in that the driving device is installed in the power cavity (202), a power supply device is arranged in the power supply cavity (204), a wire passing groove (101) is formed between the upper brush body (104) and the lower brush body (106), two traction channels (205) are arranged on the handle body (201), and two ends of each traction channel (205) are respectively communicated with the wire passing groove (101) and the power cavity (202).

2. The electric toothbrush for young children according to claim 1, wherein the brush bar body (107) is supported by soft rubber.

3. The electric toothbrush suitable for children as claimed in claim 1, wherein a pulling rope (210) is connected to each end of the brush strip body (107), and the pulling rope (210) sequentially passes through the wire passing groove (101) and the pulling channel (205) to extend into the power cavity (202) and is connected to the driving mechanism.

4. The electric toothbrush suitable for infants according to claim 3, wherein the driving mechanism comprises a driving motor (208), a driving gear (207) and a transmission rack (209), the driving motor (208) is fixedly installed in the power cavity (202), the driving gear (207) is installed at the power output end of the driving motor (208), one side of the transmission rack (209) is meshed with the driving gear (207), and two ends of the transmission rack (209) are respectively fixedly connected with the ends of two traction ropes (210).

5. The powered toothbrush for young children as claimed in claim 1, wherein two tension wheels (206) are disposed in the power chamber (202), the two tension wheels (206) are respectively located under the two traction channels (205), and the two traction ropes (210) are respectively wound around the tension wheels (206).

6. The electric toothbrush adapted for young children according to claim 4, wherein the driving motor (208) is a micro-stepper motor.

7. The electric toothbrush suitable for infants according to any one of claims 1 to 6, wherein the surfaces of the upper and lower brush bodies (104, 106) are coated with a silicone layer (103).