CN223696054U

CN223696054U - Double-head electric toothbrush

Info

Publication number: CN223696054U
Application number: CN202423237980.5U
Authority: CN
Inventors: 郑浩宇; 刘梓旭; 石慧; 吴静怡; 邓妍; 刘阳; 龙信
Original assignee: Nanchang University
Current assignee: Nanchang University
Priority date: 2024-12-26
Filing date: 2024-12-26
Publication date: 2025-12-23
Anticipated expiration: 2034-12-26

Abstract

The utility model relates to the technical field of articles for daily use, in particular to a double-head electric toothbrush which comprises a toothbrush rod, an electric handle and double-face toothbrush heads, wherein the electric handle can drive the toothbrush rod to generate high-frequency high-speed reciprocating vibration perpendicular to the electric handle, the double-face toothbrush heads comprise U-shaped connectors and bristles, the connectors are fixed with the toothbrush rod, the bristles are fixed on two opposite sides in the connectors, the distance between the two opposite sides of the connectors is larger than the width of teeth, and the distance between the two bristles is smaller than the width of the teeth. According to the utility model, the double-sided toothbrush head fixed on the toothbrush rod is arranged on the teeth, the bristles positioned at the inner side of the connector are contacted with the outer side of the teeth and the inner side of the teeth, and then the switch on the electric handle is turned on, so that the inner side and the outer side of the teeth can be cleaned.

Description

Double-head electric toothbrush

Technical Field

The utility model relates to the technical field of articles for daily use, in particular to a double-head electric toothbrush.

Background

The electric toothbrush generally comprises a dry battery, a miniature DC motor, a battery box, a toothbrush head, a metal guard plate and a sleeve. The electric toothbrush has the working principle that the motor drives the toothbrush head to vibrate or rotate so as to increase the friction effect with teeth and achieve the purpose of cleaning teeth, however, the electric toothbrush has the defects of strong vibration sense, easy damage to the teeth, poor using body sense, easy cleaning dead angle and poor cleaning effect.

Based on the above-mentioned problem, the patent of current patent publication number CN221229452U discloses an electric toothbrush, this electric toothbrush, when will brush the head and stretch into the oral cavity, support through the upper wall and the lower wall in oral cavity and lean on the upper and lower supporting part of interlock seat in order to avoid upper and lower row's tooth direct contact clean seat, upper and lower row's tooth corresponds the upper and lower clean inslot of inserting simultaneously, and through clean seat horizontal hunting in order to simulate manual brushing teeth, thereby the area of brushing that makes the brush hair form covers the surface of every tooth, effectively reduce the vibration sensation that produces the tooth in-process of brushing teeth, reduce the tooth damage, on the other hand promotes the range of brushing by a wide margin, thereby eliminate clean dead angle, effectively promote tooth cleaning effect.

However, when an electric toothbrush is used, it is found that at least the following problems are involved in tooth brushing, teeth are required to be occluded and most of teeth are cleaned, but cleaning is inconvenient, the tooth socket can be detached, but the tooth socket is bent, dental calculus is more likely to remain in the tooth socket, bacteria are bred, and bristles in the tooth socket can cover most of teeth, but the bristles are difficult to deeply clean a certain position of teeth.

Disclosure of utility model

(One) solving the technical problems

The utility model aims to solve the technical problems of overcoming the defects in the prior art, and providing the double-head electric toothbrush which solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a double-head electric toothbrush which comprises a toothbrush rod, an electric handle and a double-face toothbrush head, wherein the electric handle can drive the toothbrush rod to generate high-frequency high-speed reciprocating vibration perpendicular to the electric handle, the double-face toothbrush head comprises a U-shaped connector and bristles, the connector is fixed with the toothbrush rod, the bristles are fixed on two opposite sides in the connector, the distance between the two opposite sides of the connector is larger than the tooth width, and the distance between the two bristles is smaller than the tooth width.

Optionally, a first flexible abutment is fixed at the opening of the wide edge of the connector, and the first flexible abutment is suitable for contacting with the gum.

Optionally, the side of the flexible abutment facing the gums is curved.

Optionally, the flexible abutment is inclined outwardly of the connector.

Optionally, the replacement groove is all offered to both sides in the connector, and the sliding connection in replacement groove has the change board, and the brush hair is fixed on the change board, and change board and connector pass through bolt fastening and fix.

Optionally, two sides of the replacement plate are fixed with a second flexible abutting object, and the second flexible abutting object is arc-shaped.

Optionally, the flexible abutting object II covers the gap at the two openings of the narrow sides of the replacement plate and the connector.

Optionally, a grip notch for fingers to grip is formed on the electric handle.

(III) beneficial effects

Compared with the prior art, the utility model provides the double-head electric toothbrush, which has the following beneficial effects:

1. According to the utility model, the double-sided toothbrush head fixed on the toothbrush rod is arranged on the teeth, the opening of the connector faces the teeth and moves towards the teeth until the opening of the connector is positioned at two sides of the teeth, at this time, bristles positioned at the inner side of the connector are contacted with the outer side of the teeth and the inner side of the teeth, and then the switch on the electric handle is started to clean the inner side and the outer side of the teeth;

2. The utility model can enable the flexible abutting object to form a more proper angle when contacting with gum when the double-head electric toothbrush is used. When the toothbrush is placed at the tooth position and the cleaning work is started, the inclined state of the toothbrush enables the abutting object to better fit the gum along the natural trend of the gum, so that excessive extrusion or friction to the gum caused by vertical or unreasonable angles is avoided, the protection effect to the gum is further improved, a user feels more comfortable in the tooth brushing process, and the gum discomfort and damage risk possibly caused by tooth brushing actions are reduced;

3. According to the utility model, the electric handle is provided with the gripping notch for fingers to grip, and the design of the gripping notch considers the physiological structure and the gripping habit of the hands of a human body. When the user holds the electric handle, the finger can be naturally embedded into the grip notch, so that the hand is more tightly attached to the electric handle, the human engineering principle is met, the risk of slipping due to unstable grip of the electric handle in the tooth brushing process is reduced, the user can control the electric handle more easily and stably, and smooth tooth brushing action is ensured.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 shows a schematic diagram of the front view of FIG. 1;

FIG. 3 shows a schematic left-hand view of the structure of FIG. 1;

FIG. 4 shows a schematic right-view structure of FIG. 1;

FIG. 5 shows a schematic view of the structure of the toothbrush bar and the connector;

Fig. 6 shows a schematic rear view of the structure of fig. 5.

In the figure, 1, a toothbrush rod, 2, an electric handle, 3, a connector, 4, bristles, 5, a flexible abutting object I, 6, a replacement groove, 7, a replacement plate, 8, a bolt, 9, a flexible abutting object II, 10 and a gripping notch.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In 1954, after the first electric toothbrush "TheBroxodent" was developed by swiss doctor philipe-g.woog, published by shi Guibao pharmaceutical in 1959, and then developed rapidly, and then until the 80 th 20 th century, an electric toothbrush of novel tooth cleaning technologies such as mechanical rotation and sound wave was developed with technological progress.

Early powered toothbrushes did not show significant advantages over traditional toothbrushes, but with the development of technology in the 80 s of the 20 th century, powered toothbrush technology has advanced rapidly. Toothbrushes based on different working principles are developed in succession, except for early electric toothbrushes, which mostly rotate in one direction and vibrate in a straight line. By 1980, the newly emerging mechanical application work brushes and ultrasonic toothbrushes have improved the tooth cleaning technique. Hybrid principle electric toothbrushes (3D toothbrushes), in addition to functionally combining the advantages of the two foregoing types of toothbrushes, also add time control and pressure sensing to the user experience design. The time control is typically 2 minutes for a total of 4 rounds of 30 seconds each. The tooth cleaning machine can clean teeth more uniformly and efficiently in a time period, the inner side of the lower teeth and the occlusal surface are cleaned in the first wheel, the inner side of the upper teeth and the occlusal surface are cleaned in the second wheel, and the time of the outer side of the rear two-wheel cleaning dental goods is more reasonable. The pressure sensing is used for preventing the excessive brushing force of the user and protecting the tooth granulation part from being accidentally damaged. In addition, electric toothbrushes supporting the functions of intelligent time reminding, pressure sensing, low power reminding and the like are also developed in the market successively.

The electric toothbrush has the advantages of numerous advantages, the vibration principle of the electric toothbrush ensures that the contact area between the electric toothbrush and teeth in unit time is larger, the working times are more, the electric toothbrush can fully cover the tooth surface and the tooth gaps which are acted on for a plurality of times, compared with a manual toothbrush, dental plaque can be effectively removed and gingivitis can be reduced, the electric toothbrush has uniform force when being used, the electric toothbrush can finish brushing cleaning in the vertical direction without increasing friction force, the harm to teeth and meat can be reduced, the cleaning process is more efficient and safer, the electric toothbrush is particularly suitable for people with difficulty in controlling the force during brushing, and finally, the electric toothbrush generally has an intelligent timing function, can ensure that the brushing time is controlled to be 2 minutes, regularly reminds to ensure thorough cleaning of the teeth, is beneficial to people to develop good brushing habits, improves the brushing efficiency and is suitable for modern fast-paced life.

Electric toothbrushes in the market at present are mainly classified into mechanical rotary electric toothbrushes, ultrasonic electric toothbrushes, hybrid electric toothbrushes and air-jet electric toothbrushes according to technical principles, and can be classified into rotary vibration type, tooth gap vibration type, gingival sulcus vibration type and chisel impact vibration type according to vibration modes of the electric toothbrushes, and can be classified into acoustic electric toothbrushes and ultrasonic electric toothbrushes according to vibration frequencies.

The utility model mainly relates to an ultrasonic electric toothbrush, which is characterized in that a high-speed motor in an electric handle 2 is used for driving a toothbrush rod 1 and a double-sided toothbrush head to generate high-speed reciprocating vibration which reaches high frequency and is vertical to the electric handle 2, the vibration frequency of the toothbrush head is more than 20000Hz, and the vibration speed of the toothbrush head is more than 2400000 times per minute.

In addition, the novel toothbrush has the waterproof function, supports IPX6 to IPX7 levels to prevent water, ensures that the novel toothbrush is not influenced in water, is convenient for people to wash the toothbrush with water or use in a wet environment when brushing teeth, reduces the movement amplitude and frequency of the electric toothbrush when sensing that the brushing force is greater than a certain value, and simultaneously causes the electric toothbrush with a visual feedback system to flash a red light to prompt overlarge pressure so as to avoid damaging gums and teeth due to overlarge brushing force;

Referring to fig. 1 to 6, according to an embodiment of the present utility model, there is provided a double-ended electric toothbrush comprising a toothbrush rod 1, an electric handle 2, wherein the electric handle 2 can drive the toothbrush rod 1 to generate high-frequency high-speed reciprocating vibration perpendicular to the electric handle 2, and the double-ended toothbrush head comprises a U-shaped connector 3 and bristles 4, wherein the connector 3 is fixed with the toothbrush rod 1, the bristles 4 are fixed on two opposite sides in the connector 3, the distance between the two opposite sides of the connector 3 is larger than the tooth width, and the distance between the two bristles 4 is smaller than the tooth width.

The double-end electric toothbrush with the structure is characterized in that when the double-end electric toothbrush with the structure is used, a user holds the electric handle 2, the double-sided toothbrush head fixed on the toothbrush rod 1 is placed on teeth, the opening of the connector 3 faces the teeth and moves towards the teeth until the opening of the connector 3 is positioned on two sides of the teeth, at the moment, bristles 4 positioned on the inner side of the connector 3 are contacted with the outer side of the teeth and the inner side of the teeth, and then a switch on the electric handle 2 is turned on, so that the inner side and the outer side of the teeth can be cleaned.

When a user places the toothbrush head at the corresponding position of teeth and starts the electric handle 2 to perform cleaning operation, the first flexible abutting object 5 is fixed at the opening of the wide edge of the connector 3 and can be in contact with gums, so that the effect of buffering can be achieved in the tooth brushing process, excessive irritation to the gums caused by vibration and other factors of the toothbrush head is avoided, meanwhile, the overall comfort level in tooth brushing is improved, and the user can better care the health of the gums while cleaning the inner side and the outer side of the teeth.

The one side of flexible butt thing 5 towards the gum is the arc, and curved design appears more natural, soft, accords with people to the exquisite, comfortable psychological expectation of oral care product, compares in sharp or irregular shape, and the arc gives a smooth, laminating visual impression, lets the user can feel more comfortable, more relieved in the mind when putting into the oral cavity with the toothbrush, has strengthened the delightness to the product, also helps promoting the pleasant experience of whole brushing the tooth process for the user is more willing to use this double-end electric toothbrush for a long time to carry out oral care.

The first flexible abutting object 5 inclines to the outer side of the connector 3, and when the double-head electric toothbrush is used, a more proper angle can be formed when the first flexible abutting object 5 contacts with gums. When the toothbrush is placed at the tooth position and the cleaning work is started, the inclined state of the toothbrush enables the abutting object to better fit the gum along the natural trend of the gum, excessive extrusion or friction to the gum caused by vertical or unreasonable angles is avoided, the protection effect to the gum is further improved, a user feels more comfortable in the tooth brushing process, and the gum discomfort and damage risk possibly caused by tooth brushing actions are reduced.

The replacement grooves 6 are formed in the two sides in the connector 3, and the replacement plates 7 fixed with the bristles 4 are in sliding connection with the connector 3 and are bolted and fixed through bolts 8, so that convenience in replacing the bristles 4 is greatly improved, the whole toothbrush rod 1 and the toothbrush head are required to be detached if the bristles 4 are required to be replaced, the operation is relatively complicated, and only the replacement plates 7 in the connector 3 are required to be operated at present. The user can easily slide out old change board 7 from replacement groove 6, then change new change board 7 that has brush hair 4, fix well with bolt 8, whole simple and fast in process need not complicated dismantlement equipment step, even the ordinary user of less familiar instrument operation also can easily accomplish, secondly, more save cost, only need regularly change relatively lower change board 7 of cost and brush hair 4 can, from long-term use, can save the expense of purchasing new two-sided toothbrush head or toothbrush pole 1a lot for the user, especially for those that have high requirements on oral hygiene, need frequently change brush hair 4, economic advantage is very obvious.

The two sides of the replacement plate 7 are both fixed with the flexible abutting objects II 9, the flexible abutting objects II 9 are arc-shaped, and because the outline of teeth and gingiva of a person is irregular arc-shaped, the arc-shaped flexible abutting objects II 9 can be better attached to the parts, when the toothbrush moves in an oral cavity for cleaning, the toothbrush can slide along the shapes of the teeth and gingiva, discomfort or damage to soft tissues of the oral cavity caused by hard corners is avoided, more comfortable and soft tooth brushing experience is brought to a user, the problems of gingiva pain, bleeding and the like caused by tooth brushing are reduced, and the comfort level of the whole oral cavity nursing process is improved.

The second flexible abutting object 9 covers the gap between the replacement plate 7 and the two openings on the narrow side of the connector 3, so that the second flexible abutting object 9 covers the gap, the appearance of the double-sided toothbrush head is tidier and more attractive, the visual quality sense of the product is improved, a user can feel more comfortable and satisfied in mind when picking up and using the toothbrush, and the product is enhanced in sensitivity.

The electric handle 2 is provided with a gripping notch 10 for fingers to grip, and the design of the gripping notch 10 considers the physiological structure and the gripping habit of the hands of a human body. When the user holds the electric handle 2, fingers can be naturally embedded into the grip notch 10, so that the hand can be attached to the electric handle 2 more tightly, the human engineering principle is met, the risk of slipping due to unstable grip of the electric handle 2 in the tooth brushing process is reduced, the user can control the electric handle 2 more easily and stably, and smooth tooth brushing action is ensured.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dual-head electric toothbrush, characterized in that it comprises:

Toothbrush handle (1);

Electric handle (2), which can drive the toothbrush handle (1) to generate high-frequency high-speed reciprocating vibration perpendicular to the electric handle (2);

A double-sided toothbrush head includes a U-shaped connector (3) and bristles (4). The connector (3) is fixed to the toothbrush handle (1). The bristles (4) are fixed on opposite sides inside the connector (3). The distance between opposite sides of the connector (3) is greater than the width of a tooth, and the distance between the two bristles (4) is less than the width of a tooth.

2. A dual-head electric toothbrush according to claim 1, characterized in that: a flexible abutment (5) is fixed at the wide side opening of the connector (3), and the flexible abutment (5) is adapted to contact the gums.

3. A dual-headed electric toothbrush according to claim 2, characterized in that: the flexible contact (5) is arc-shaped on the side facing the gum.

4. A dual-headed electric toothbrush according to claim 3, characterized in that: the flexible abutment (5) is inclined to the outside of the connector (3).

5. A dual-head electric toothbrush according to claim 1, characterized in that: a replacement groove (6) is provided on both sides of the connector (3), a replacement plate (7) is slidably connected in the replacement groove (6), the bristles (4) are fixed on the replacement plate (7), and the replacement plate (7) is bolted to the connector (3) by bolts (8).

6. A dual-head electric toothbrush according to claim 5, characterized in that: flexible abutment two (9) is fixed on both sides of the replacement plate (7), and the flexible abutment two (9) is arc-shaped.

7. A dual-head electric toothbrush according to claim 6, characterized in that: the flexible abutment (9) covers the gaps at the two openings of the narrow side of the replacement plate (7) and the connector (3).

8. A dual-headed electric toothbrush according to claim 1, characterized in that: the electric handle (2) is provided with a gripping notch (10) for fingers to grip.