KR101057113B1 - Rotary Brush Electric Toothbrush - Google Patents

Abstract

The present invention relates to a rotary brush powered toothbrush which prevents damage to the gums caused by the powered toothbrush and can more effectively remove contaminants remaining on the teeth.

To this end, the present invention, in the electric toothbrush that is installed in the body divided into the head and the handle to be able to brush the teeth by the drive of the motor, disposed inside the head to be part of the tooth contact A rotatable brush which protrudes outward so that it is connected to the rotating shaft of the motor and is continuously rotated by the driving of the motor; A selection switch installed on a handle of the body to selectively input a forward or reverse rotation signal with respect to a rotation axis of the motor to select a rotation direction of the rotation brush when the rotation brush is in contact with the upper tooth or the lower tooth; It is configured by.

Electric toothbrush

Description

ROTARY TYPE BRUSH ELECTRIC TOOTHBRUSH}

The present invention relates to a rotary brush powered toothbrush.

In particular, the present invention relates to a rotary brush powered toothbrush which prevents damage to the gums caused by the powered toothbrush and can more effectively remove contaminants remaining on the teeth.

In addition, the present invention is a rotary brush transmission to prevent damage to the gums and brushing with a higher cleanliness for the user, such as children or patients who are uncomfortable to brush or brushing by the dual-type brush application It is about a toothbrush.

Toothbrushes are planted with a large amount of bristles on the rod-shaped body ends (hereafter referred to as heads) having a suitable length, and the other side is thick or specific in a form that is easy to hold by hand for the user to brush more conveniently. The groove is formed and configured.

Such toothbrushes are the most representative necessities for modern people's dental care, and are being released by varying the material, form and shape of the head of the toothbrush planted, in particular, according to the user's tooth condition.

In addition, the toothbrush as described above is performed by the user to hold the handle of the body and put the brushed head in the mouth and then brushing, the movement of the bristle is preferably carried out up and down and same. More specifically, the bristles are preferably moved from the upper side to the lower side in the case of the upper tooth, the lower side from the upper side in the case of the lower tooth, and have a moving state such that the foreign matter between the tooth and the gum or the tooth and the tooth is detached to the outside.

Due to this, in the related art, by connecting the head in which the brush head of the toothbrush is planted to the motor, etc. to vibrate left and right at a predetermined angle (hereinafter, weaving vibration), the electric toothbrush which enables the above-described movement of the brush head to be automatically performed It has been proposed.

Such electric toothbrushes are used to make brushing easier while at the same time allowing the bristles to vibrate in the state in which the bristles are in contact with the teeth to more effectively remove contaminants remaining between the teeth and the gums or teeth.

Since the electric toothbrush as described above performs the upper and lower weaving vibrations at a fairly high speed in contact with most of the teeth, the bristles will damage the gums when they touch the gums. In other words, it is well known that the damage of the gums is minimized when the upper teeth move from the upper side to the lower side, and the damage of the gums when the lower teeth move from the lower side to the upper side with the preferred bristle movement state of the brush. Regardless of the upper and lower teeth, the problem of severe damage to the gums due to the upper and lower weaving vibrations is exposed.

In particular, such gum damage occurs more seriously in children who have not yet completed physical development. Such damage to the gums may cause serious periodontal disease after the child is mature and developed. Let's go.

The present invention has been invented to solve the above problems.

Accordingly, an object of the present invention is to provide an electric toothbrush in which the bristles in contact with the teeth can have an ideal state of movement, thereby preventing damage to the gums and more effectively removing contaminants remaining on the teeth.

Another object of the present invention, by brush application of the dual way to brush the brush or the child who is inconvenient to move the brushing brush so that the user can always have the ideal movement state of the brush head without any special operation, damage to the gums It is to provide an electric toothbrush that can be prevented and brushed with higher cleanliness.

In order to achieve the above object, the present invention has the following configuration.

The present invention, in the electric toothbrush that is installed in the body divided into the head and the handle to be able to brush the teeth by the drive of the motor, disposed in the head so that a part can be in contact with the teeth A rotatable brush which protrudes outward and is connected to a rotating shaft of the motor and continuously rotated by driving of the motor; A selection switch installed on a handle of the body to selectively input a forward or reverse rotation signal with respect to a rotation axis of the motor to select a rotation direction of the rotation brush when the rotation brush is in contact with the upper tooth or the lower tooth; It is configured by.

In order to achieve the above another object, the present invention, in the electric toothbrush is installed in the body divided into the head and the handle to be able to brush the teeth by the drive of the motor, a pair disposed inside the head And a dual brush which protrudes outward so that each part can contact the tooth, and each of which is connected to the rotational axis of the motor and is continuously rotated in opposite directions. At this time, the dual brush, one of which is rotated in direct connection with the rotary shaft of the motor, the other of the one is connected by one and the power transmission mechanism so that one of the other can be rotated by the rotation of the other. It is composed.

In addition, the present invention is formed on the boundary point of the head and the handle in the body of the diaphragm is formed to separate the space inside the body, the outside of the rotating shaft of the motor penetrating the diaphragm for blocking water flowing through the head The member is mounted and configured.

As described above, the present invention provides a configuration in which the bristles in contact with the teeth can have an ideal state of movement to prevent damage to the gums and to more effectively remove contaminants remaining on the teeth, Has the effect of benefiting dental health.

In addition, the present invention provides a configuration such that the brush head can always have an ideal state of movement even without a special operation by the user, such as children or patients who are inconvenient to brush or brush the brushing, preventing damage to the gums and higher cleanliness By allowing the brushing to be performed, there is an effect that the user can obtain convenience in use at the same time as the dental health benefits.

Embodiments of the present invention as described above will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a powered toothbrush according to the present invention, FIG. 2 is a front sectional view of the powered toothbrush according to the present invention, and FIG. 3 is a side sectional view of the powered toothbrush according to the present invention.

Referring to the drawings, the electric toothbrush according to the present invention has a configuration consisting of a body 10, a motor 20, a rotary brush 30, the selection switch 40. At this time, it is obvious that the body 10 includes a battery for rotating the motor 20 and a simple circuit configuration for rotating the motor 20. Mark 11

The body 10 is formed therein a space for each component is installed, the head 12 is provided with a brush brush-shaped rotary brush 30, the head 12 is coupled to the handle for the user to hold by hand It is divided into (13). At this time, the battery 20 and the circuit configuration for rotating the motor 20 and the motor 20 described above are installed in the handle 13 as described above.

The motor 20 can be applied to a variety of types, but preferably employs a brushless motor with low noise and easy to implement miniaturization, it is applied that the choice of forward and reverse driving is possible by the circuit configuration. .

The rotary brush 30 is a configuration in which a large amount of bristles 31 is planted at the end of the core 32, the core 32 is configured to be connected to the rotation shaft 21 of the motor 20.

The rotatable brush 30 is disposed inside the head 12 so that the bristle 31 may protrude to the periphery of the head 12 so as to contact the tooth T. In addition, a groove is formed at the end of the core 32 so that the rotary shaft 21 of the motor 20 can be fitted in order to be continuously connected to the rotary shaft 21 of the motor 20. Of course.

The selection switch 40 includes a cutoff switch that is electrically and electronically connected to the above-described circuit configuration. That is, the rotational direction of the rotatable brush 30 should be selected from the upper side to the lower side when the contact with the upper teeth, the rotational direction should be selected from the lower side to the upper side when contacting the lower teeth. Same as one.

Therefore, the selector switch 40 allows the user to selectively input the forward or reverse rotational signal with respect to the rotary shaft 21 of the motor 20 when the user selectively brushes the upper or lower tooth. To the handle 13.

In the configuration of the electric toothbrush configured as described above, at the boundary point of the head 12 and the handle 13 inside the body 10 is formed a diaphragm 14 for separating the space inside the body 10.

The diaphragm 14 prevents the inflow of water into the motor 20 mounted on the handle 13 and the circuit configuration when the water flows through the head 12 in which the rotary brush 30 is rotated. It is for the configuration. In addition, the diaphragm 14 is provided with a rotating shaft 21 of the motor 20 penetrating the diaphragm 14 so as to rotate the rotary brush 30. At this time, the diaphragm penetrated by the rotating shaft 21. Sealing member 15 is mounted between the outside of the rotating shaft 21 and the diaphragm 14 to block the water flow into the gap of the (14).

In particular, the sealing member 15 is preferably configured to select the soft synthetic resin to smoothly rotate the rotation shaft 21 and block the inflow of water.
A flange 12a is formed at a lower end of the head 12, and a thread 13a is formed at an outer circumference of the upper end of the handle 13. In addition, the outer side of the flange 12a is provided with a fastening cap 60 to be able to press the outer surface of the flange. The fastening cap 60 is coupled to the screw thread 13a to thereby integrally couple the head 12 and the handle 13.
On the other hand, the water discharge hole (12b) is formed on the side of the head so that when water is introduced into the head 12 when brushing in the above structure to discharge it to the outside. Accordingly, the cleaning of the inside of the toothbrush head 12 is easy to clean and can keep clean.

<Other Embodiments>

4 is a cross-sectional view of another embodiment of the present invention.

Referring to the drawings, the electric toothbrush of another embodiment presents a configuration in which the above-described rotatable brushes are arranged side by side in a pair to implement the dual brush 50. That is, the dual brush 50 proposes a configuration to exclude the configuration of the selection switch 40 by allowing the rotatable brushes 30 on both sides to rotate in only one direction, respectively.

Looking at the configuration, the dual brush 50 is a pair is disposed inside the head 12 is exposed to protrude outward so that each part can contact the tooth (T). In particular, such a dual brush 50 is configured to be continuously rotated in a direction opposite to each other connected to the rotary shaft 21 of the motor 20, respectively.

At this time, the dual brush 50 is configured such that the core 32 of any one brush 50 is directly connected to the rotating shaft 21 of the motor 20 to rotate, the core 32 of the other brush 50 Is configured by being connected by the gear 51 which is the one side brush 50 and the power transmission mechanism. In other words, such a dual brush 50 is configured so that the other one can be passively rotated by being rotated on one side.

5A and 5B are exemplary views in which the electric toothbrush of another embodiment is used.

Referring to FIG. 5A, the dual brush 50 contaminants from the upper side to the lower side and the inner side to the outer side of the tooth T as described above when brushing the upper teeth, especially the molars. Is rotated to detach it.

Due to this driving state, the dual brush 50 desorbs contaminants from the inner side to the outer side of the tooth T from the lower side to the upper side with respect to the teeth T and the gums when brushing the lower teeth (not shown). It is natural to be rotated.

Referring to FIG. 5B, the dual brush 50 performs natural brushing from the upper side to the lower side for the upper tooth T and the lower side to the upper side for the lower tooth when brushing both the upper and lower teeth T. Done.

Therefore, the electric toothbrush by the dual brush 50 as shown in FIGS. 5a and 5b is a child with poor brushing, or when using a user, such as a patient who is inconvenient to move the brush, the rotation direction of the dual brush 50 is naturally The ideal condition prevents gum damage and keeps your teeth cleaner.

In particular, since the dual brush 50 has a state of rotation in one direction, the act of selection according to forward and reverse driving does not occur. It becomes convenient to use.

1 is a perspective view of a powered toothbrush according to the present invention.

Figure 2 is a front sectional view of the electric toothbrush according to the present invention.

Figure 3 is a side cross-sectional view of the electric toothbrush according to the present invention.

4 is a cross-sectional view of another embodiment of the present invention.

Figure 5a, Figure 5b is an illustration of a state in which the electric toothbrush of the other embodiment is used.

<Explanation of symbols for the main parts of the drawings>

10: body 12: head
12a: flange 12b: water outlet

13: handle 20: motor

30: rotary brush 40: selection switch

50: dual brush 60: cap

Claims (5)

delete delete delete The motor 20 is installed inside the body 10 divided into the head 12 and the handle 13 to perform brushing on the teeth by driving the motor 20. A pair is disposed inside the head 12 so as to protrude outward so that a part of the head 12 may contact the tooth T, and each part is continuously connected in a direction opposite to each other by being connected to the rotation shaft 21 of the motor 20. Be composed of dual brushes 50, The dual brush 50 is rotated by one side is directly connected to the rotary shaft 21 of the motor 20, the other side is connected to one side by the power transmission mechanism 51 and the other side is rotated. In a rotary brush powered toothbrush configured to be passively rotated, The body 10 is divided into an upper head 12 and a lower handle 13, and the space inside the body 10 is divided at the boundary point of the head 12 and the handle 13 in the interior of the body 10. A diaphragm 14 is formed to close the upper surface of the handle 13, and a sealing for blocking water flowing through the head 12 outside the rotary shaft 21 of the motor 20 penetrating the diaphragm 14. The member 15 is mounted and configured, A flange 12a is formed at the lower end of the head 12, and a thread 13a is formed at the outer circumference of the upper end of the handle 13, so that the tightening cap 60 provided outside the flange 12a is threaded. Rotating brush electric toothbrush, characterized in that coupled to the head 12 and the handle 13 integrally coupled to. 5. The rotary brush powered toothbrush of claim 4, wherein a water outlet hole (12b) is further formed on the rear wall of the head (12).

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