CN210931995U - Electric toothbrush - Google Patents

Abstract

The utility model relates to an electric toothbrush, comprising a brush handle and a brush head, the brush head is detachably mounted on the upper end of the brush handle, the brush handle comprises a holding part, and the cross section of the holding part is A quadrilateral section, the top of which extends upward with a pointing portion; the cross-section of the pointing portion is a triangular section, one of the corners of the triangular section is opposite to the side length surface of the holding portion, and the other two corners are symmetrical respectively distributed on both sides of the grip portion. The electric toothbrush of the utility model can assist the user to make the brush head of the electric toothbrush naturally form a stable angle with the horizontal direction when holding it, so as to achieve a more reasonable and healthy method of brushing teeth in Bath.

Description

an electric toothbrush

technical field

The utility model relates to the technical field of oral health care, in particular to an electric toothbrush.

Background technique

As a personal care appliance in the field of oral health care, the electric toothbrush generates high-frequency vibration through the rapid rotation or vibration of the electric core, decomposes the toothpaste into fine foam and then deeply cleans the teeth. Compared with ordinary toothbrushes, it can remove plaque more thoroughly and effectively reduce oral diseases including periodontal disease and bleeding gums, and is gradually favored by consumers in the market.

The Bath brushing method is now recognized as a healthy and efficient way of brushing teeth. One of the important methods is to make the bristles of the toothbrush at an angle of about 45 degrees to the horizontal plane. Brushing the joint between the teeth and the gums can effectively prevent and relieve gum health problems and periodontal problems. sick. However, the shape design and product weight of the existing electric toothbrush cannot allow the person using the electric toothbrush to grasp the appropriate angle well to meet the requirements of the Bath brushing method.

Utility model content

Based on this, the purpose of the present invention is to overcome the deficiencies of the prior art and provide an electric toothbrush, which can assist the user to make the brush head of the electric toothbrush and the horizontal direction naturally form a stable angle when holding it, so as to achieve a more reasonable and healthy Bath brushing method.

In order to achieve the above purpose, the technical scheme adopted by the present utility model is:

An electric toothbrush includes a brush handle and a brush head, the brush head is detachably mounted on the upper end of the brush handle, the brush handle includes a holding portion, and the cross-section of the holding portion is a quadrangular cross-section. The top extends upward and is provided with a pointing portion; the cross-section of the pointing portion is a triangular cross-section, one of the corners of the triangular cross-section is opposite to the side length surface of the holding portion, and the other two corners are symmetrically distributed on the Above both sides of the grip.

In the electric toothbrush of the present invention, the handle is divided into a holding part and a pointing part, and the cross section of the holding part is designed as a quadrangular section and the cross section of the pointing part is a triangular cross section. The unique cross-sectional shape design and the positional relationship between the two, so that when the user does the action of holding the brush handle, the thumb and the side length surface of the holding part form a holding surface, so that the brush head can be easily connected to the horizontal surface. Form an angle of about 45 degrees, which is in line with the recognized healthy tooth brushing method - the direction of the brush head pointed out in the Bath brushing method is 45 degrees from the horizontal plane, and the direction of the brush head and the horizontal plane angle at the junction of the teeth and gums are slightly brushed; thus reminding and helping to use Use electric toothbrushes in a healthy and efficient way.

In order to achieve better technical effects, a further technical improvement further includes that the cross section of the pointing portion is a rounded triangular section, one of the rounded corners of the rounded triangular section is facing the brush surface of the brush head, and in addition The two rounded corners are symmetrically distributed on both sides of the rear end of the brush head.

In order to achieve better technical effects, a further technical improvement further includes that the cross-section of the gripping portion is a rounded quadrangular cross-section or a circular cross-section.

In order to achieve better technical effects, a further technical improvement further includes that a through hole is opened in the middle of the upper surface of the pointing portion.

In order to achieve better technical effects, a further technical improvement further includes that a drive motor is provided inside the brush handle, and the drive motor drives the brush head to vibrate.

In order to achieve better technical effects, a further technical improvement further includes that the bottom of the brush head is provided with a power source, and the power source is located below the drive motor and is electrically connected to the drive motor.

In order to achieve better technical effects, a further technical improvement further includes that the bottom of the brush head is provided with a coil, the coil is located below the power source, and the two ends are respectively electrically connected to the power source.

In order to achieve a better technical effect, a further technical improvement further includes that the output end of the driving motor is provided with a vibration shaft, and the upper end of the vibration shaft passes through the upper part of the pointing part and is matched with the brush head. .

In order to achieve better technical effect, a further technical improvement further includes that the vibration shaft sleeve is provided with a sealing ring, and the sealing ring is located above the interior of the pointing portion and closely fits with the inner wall of the pointing portion.

In order to achieve better technical effects, a further technical improvement further includes that a switch button is provided on the side wall of the brush handle, and the switch button is used to control the switch of the driving motor.

For better understanding and implementation, the present utility model is described in detail below with reference to the accompanying drawings.

Description of drawings

Fig. 1 is the structural representation of the electric toothbrush of the present invention;

Fig. 2 is the internal structure diagram of the brush handle of the utility model;

3 is a top view of the electric toothbrush of the present invention;

Fig. 4 is the top view of the brush handle of the utility model;

FIG. 5 is a use reference diagram of the electric toothbrush of the present invention.

Detailed ways

To further illustrate the various embodiments, the present invention provides accompanying drawings. These drawings are a part of the disclosure of the present invention, which are mainly used to illustrate the embodiments, and can be combined with the relevant description of the specification to explain the operation principles of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible embodiments and the advantages of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", The orientation or positional relationship indicated by "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. is based on the orientation shown in the drawings or The positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more. In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to FIG. 1 and FIG. 2 at the same time, this embodiment provides an electric toothbrush, which includes a brush handle 10 and a brush head 20 . The brush head 20 is detachably installed on the upper end of the brush handle 10, the brush handle 10 is a hollow structure, and a drive motor 30, a power source 40 and a coil 50 are arranged in the interior in turn; wherein, the drive motor 30 drives the The brush head 20 vibrates, the power source 40 is located below the drive motor 30 and is electrically connected to the drive motor 30 , the coil 50 is located below the power source 40 and both ends are electrically connected to the power source 40 . In addition, a switch button 31 is provided on the side wall of the brush handle 10 , and the switch button 31 is used to control the switch of the driving motor 30 .

As shown in FIG. 3 and FIG. 4 , the brush handle 10 of the present embodiment includes a gripping portion 60 , the cross-section of the gripping portion 60 is a quadrangular cross-section, and the gripping portion 60 extends upward with a pointing portion 70 . The holding portion 60 and the pointing portion 70 are preferably an integral structure, and can be a separate structure; the cross-section of the pointing portion 70 is a triangular cross-section, and one of the corners of the triangular cross-section is opposite to the side of the holding portion 60 . The other two corners are symmetrically distributed on both sides of the grip portion 60 respectively. From another perspective, the cross section of the pointing portion 70 in this embodiment is a rounded triangular section, one of the rounded corners of the rounded triangular section is facing the brush surface of the brush head 20, and the other two rounded corners They are symmetrically distributed on both sides of the rear end of the brush head 20 .

The gripping portion 60 in this embodiment has a square structure, and its cross-section is preferably a rounded quadrilateral cross-section. Cross-section matching can also achieve the same effect. The pointing portion 70 in this embodiment is preferably a rounded triangular prism structure, and its cross section is preferably a rounded triangular section.

In addition, the output end of the driving motor 30 is provided with a vibration shaft 31 , and the upper end of the vibration shaft 32 passes above the pointing portion 70 and is connected with the brush head 20 . In this embodiment, the vibration shaft 32 is sleeved with a sealing ring 33 , and the sealing ring 33 is located above the interior of the pointing portion 70 and closely fits with the inner wall of the pointing portion 70 . In order to facilitate the output end of the driving motor 30 to protrude upwards and be connected with the brush head 20 , a through hole is opened in the middle of the upper surface of the pointing portion 70 .

The working principle of the electric toothbrush of the present utility model is described below:

As shown in Figure 5, the user uses the unique cross-sectional shape design of the electric toothbrush, so that when the electric toothbrush is in use, the direction of the brush head 20 and the horizontal plane produce a certain angle (35-50 degrees), which is close to the recognized healthy tooth brushing method - bar The direction of the brush head 20 pointed out in the bass method is 45 degrees from the horizontal plane, and the direction of the brush head and the horizontal plane angle at the junction of the teeth and gums are slightly brushed; thus reminding and helping the user to use the electric toothbrush in a healthy and efficient way of brushing teeth.

In addition, after the electric toothbrush of the present invention is induced by the coil 50 at the bottom of the brush handle 10 and the external energized coil, the power source 40 can be charged through the principle of electromagnetic electricity generation, so that the electric toothbrush can be recycled, avoiding the need to replace the power source 40. trouble, and energy saving and environmental protection.

Compared with the prior art, the brush handle is divided into a holding part and a pointing part, and the cross section of the holding part is designed to be a quadrilateral section, and the cross section of the pointing part is a triangular section. The cross-sectional shape design and the positional relationship between the two, so that when the user does the action of holding the brush handle, the thumb and the side length surface of the holding part form a holding surface, so that the brush head and the horizontal surface are simply formed 45 This angle is in line with the recognized healthy tooth brushing method - the direction of the brush head pointed out in the Bath brushing method is 45 degrees from the horizontal plane, and the direction of the brush head and the horizontal plane angle at the junction of the teeth and gums are slightly brushed; thus reminding and helping users to adopt Use an electric toothbrush for healthy and efficient brushing.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the electric toothbrush of the present invention. It should be pointed out that for those of ordinary skill in the art, some modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims (10)

1. An electric toothbrush, includes brush holder and brush head, the brush head detachably installs the upper end in the brush holder, its characterized in that: the brush handle comprises a holding part, the cross section of the holding part is a quadrilateral section, and the top of the holding part extends upwards to form a pointing part; the cross section of the pointing part is a triangular section, one angle of the triangular section is right opposite to the side length surface of the holding part, and the other two angles are respectively and symmetrically distributed above two sides of the holding part.

2. The electric toothbrush of claim 1, wherein: the cross section of the pointing part is a rounded triangle section, one rounded corner of the rounded triangle section is right opposite to the brush surface of the brush head, and the other two rounded corners are symmetrically distributed on two sides of the rear end of the brush head respectively.

3. The electric toothbrush of claim 1, wherein: the cross section of the holding part is a round-corner quadrilateral section or a round section.

4. The electric toothbrush of claim 1, wherein: the middle part of the upper surface of the pointing part is provided with a through hole.

5. The electric toothbrush according to any one of claims 1 to 4, wherein: the inside of brush holder is equipped with driving motor, driving motor drives brush head vibration.

6. The powered toothbrush as defined in claim 5, wherein: the bottom of brush head is equipped with the power, the power is located driving motor's below, and is connected with driving motor electricity.

7. The powered toothbrush as defined in claim 6, wherein: the bottom of the brush head is provided with a coil, the coil is positioned below the power supply, and two ends of the coil are respectively electrically connected with the power supply.

8. The powered toothbrush as defined in claim 5, wherein: the output end of the driving motor is provided with a vibration shaft, and the upper end of the vibration shaft penetrates through the upper part of the pointing part and is connected with the brush head in a matched mode.

9. The powered toothbrush as defined in claim 8, wherein: the vibration shaft sleeve is provided with a sealing ring, and the sealing ring is located above the inner part of the directing part and closely attached to the inner wall of the directing part.

10. The powered toothbrush as defined in claim 5, wherein: the side wall of the brush handle is provided with a switch button, and the switch button is used for controlling the switch of the driving motor.

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