KR20100121923A - Electric motion toothbrush - Google Patents

Abstract

PURPOSE: A power toothbrush is provided, which can reduce tooth cleaning time and allows convenience of the tooth cleaning. CONSTITUTION: A power toothbrush comprises: an upper teeth cover(110) and a lower teeth cover(120) which are located to correspond to each other at the top and bottom in order to cover the upper teeth and lower teeth; an outside movable cover(130) and an inside movable cover(140) which are respectively located at the front and rear in order to cover the external and internal edges of the upper teeth cover and lower teeth cover; a guide member(151) which is connected through a guide hole; and a driving rod fixed to the front of the guide member.

Description

Electric toothbrush

The present invention relates to an electric toothbrush, and in particular, to clean the entire tooth automatically by cross-moving the upper and lower outer and inner edge portions of the upper and lower tooth covers, which are the same as the shape of the teeth, to provide convenience for the user. And at the same time it can shorten the time to clean the teeth, and relates to an electric toothbrush that can easily and evenly clean every corner of the tooth.

In general, the manual hand toothbrush is implemented by a plurality of brushes are planted at one end of the rod-shaped handle, when using the user is a tool for holding the handle by hand and rub the brush portion against the teeth to clean.

However, such a hand toothbrush has inconvenience in use because the user must perform hand movements in the direction of brushing, and there is a problem that takes a lot of time to clean the teeth.

In order to solve the problems of the conventional toothbrush, a technique related to an electric toothbrush that automatically rotates or vibrates the brush portion of the toothbrush using a driving force has been proposed.

As shown in FIG. 1, in the conventional electric toothbrush 1, the user grips the driving unit 3 to position the brush portion 2 of the toothbrush on the tooth. In this state, when the switch 3a of the driving unit 3 is switched to drive the brush part 2, the brush part 2 rotates quickly and automatically wipes the teeth.

Accordingly, the user can easily brush the teeth using the brush portion (2) that automatically rotates.

However, the conventional electric toothbrush, the user should clean the teeth while changing the brush portion to the position of the desired tooth. This was a hassle that the user had to change the rotating brush part frequently while the user brushed the teeth.

That is, since the position of the brush portion must be changed from time to time, it requires less hand motion than the manual toothbrush described above, but there is still a hassle that requires many hand motions. In addition, the gaps between the teeth and the boundary portions of the gums are not properly cleaned unless the user pays attention.

In particular, in the case of the corner of the tooth, the brush portion of the traditional toothbrush is difficult to position, and there is a case that it is difficult to clean with the naked eye due to the difficulty in cleaning. For example, when the electric toothbrush user is a child who avoids brushing, or an elderly person who is inconvenient for hand movement, it is more difficult to properly clean the teeth.

Accordingly, the present invention is to solve the conventional problems as described above, by brushing the upper and lower parts of the upper and lower teeth covering the upper and lower teeth cover the inner and outer edges of the upper and lower edges by using a driving force, brushing is required. It is an object of the present invention to provide an electric toothbrush that can automatically clean the entire tooth at the same time without providing convenience of tooth cleaning and at the same time reducing the tooth cleaning time and easily and evenly cleaning every corner of the tooth.

The present invention for achieving the above object, the upper and lower teeth cover the upper and lower cover respectively positioned so as to cover the upper and lower teeth; An outer movable cover and an inner movable cover which are positioned in front and rear, respectively, so as to surround the outer and inner rim portions of the upper and lower tooth covers, and a rod hole and a guide hole formed through the front and rear holes, respectively; Guide members positioned at the front of the outer movable cover and the rear of the inner movable cover, respectively, connected to and fixed to each other through the guide holes; A driving unit fixed to the front of the guide member and provided with driving devices; And a driving rod fastened to the driving unit and positioned to penetrate the rod hole through the guide member, and crosses the outer movable cover and the inner movable cover up and down while rotating to clean the upper and lower teeth. It features.

The upper and lower teeth cover, the outer edge portion and the inner edge portion is integrally connected to the upper and lower ends of the outer movable cover and the inner movable cover, the both ends of the upper and lower teeth cover in the longitudinal direction integrally It is desirable to be connected and finished.

The outer movable cover and the inner movable cover is formed narrower from the center toward both ends in the longitudinal direction, it is preferable that the upper teeth cover and the lower teeth cover to be closer to each other in the longitudinal direction from the center.

The rod hole is formed in the center of the outer movable cover and the inner movable cover, the guide hole is preferably formed on both sides of the rod hole.

It is preferable that the rod hole has a long groove shape having a length left and right, and the guide hole has a long groove shape having a length up and down.

The guide member is in close contact with the front portion of the outer movable cover, the outer guide cover is connected to the drive unit in front; And an inner guide cover positioned at a rear of the inner movable cover, and each guide bar protruding from both sides of the inner movable cover is connected to and fixed to the outer movable cover through the guide holes of the inner movable cover and the outer movable cover, respectively. It is desirable to.

The outer guide cover and the inner guide cover are formed to extend both ends along the longitudinal direction of the outer movable cover and the inner movable cover, the extended portion is preferably formed narrower toward both ends in the longitudinal direction.

The drive unit is connected to the front and rear of the external movable cover detachably, the body has a battery insertion portion therein; A drive motor installed inside the body and rotating the drive rod to which power is connected by supply; And a switch installed in the body to turn on / off power supply to the drive motor.

When the user is biting the upper and lower teeth cover, the body is preferably formed to narrow the portion connected to the outer guide cover so that the user's lips do not open excessively.

The front of the body is preferably provided with an opening and closing cover detachably installed to insert the battery.

The opening and closing cover is preferably fastened in a screwed manner with the front of the body.

A mounting groove is formed on the front of the opening and closing cover of the body, and further includes a holder having an insertion portion into which the front of the body is inserted, and a mounting protrusion projected vertically in the insertion portion to correspond to the mounting groove of the opening and closing cover. It may include.

The driving rod includes a fastening portion connected to the driving portion; A rotating shaft extending from the rear of the fastening part and penetratingly positioned in the rod hole of the outer movable cover and the inner movable cover; And bent and protruding to form opposite side portions of the rotary shaft in opposite directions, respectively, to be positioned in the rod hole of the external movable cover and the internal movable cover, respectively, and then rotate together to rotate the external shaft to rotate the external movable cover. It is preferable to include; and a projection for moving the inner movable cover up and down, respectively.

Each of the protrusions separates the end connected to the rotating shaft, and protrudes an insertion protrusion having a screw formed on the separated end, and the position of the protrusion can be freely changed on both sides in the longitudinal direction of the rotating shaft. A plurality of insertion grooves can be formed along the circumferential direction.

Each of the protrusions may be formed in plural along the circumferential direction of the rotation shaft.

Each protrusion may have a round surface extending in a direction opposite to the direction in which the protrusion is rotated.

As described above, by moving the upper and lower edges of the upper and lower teeth covering the upper and lower teeth and the inner and outer edges of the upper and lower teeth by using a driving force, the entire tooth can be automatically cleaned simultaneously without the need for brushing. At the same time it is possible to reduce the cleaning time of the teeth.

And because the upper and lower teeth cover the shape of the teeth, there is an advantage that can easily and evenly wipe the corners of the teeth.

In addition, by forming a guide hole for guiding the upper and lower teeth cover up and down, there is also an advantage to minimize the vibration by preventing the shake when the upper and lower teeth cover is driven in the intersection.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a combined perspective view of the electric toothbrush according to the invention, Figure 3 is an exploded perspective view according to Figure 2, Figure 4 is a side view according to Figure 2, Figure 5 is a plan view according to Figure 2, Figure 6 is a drive unit according to Figure 1 7A is a perspective view illustrating a detachable installation of the protrusion of the electric toothbrush according to the present invention, and FIG. 7B is a protrusion of the electric toothbrush according to the present invention. Figure 8 is a perspective view of the round surface is formed, Figure 8 is a perspective view showing a state in which the electric toothbrush according to the present invention is fitted to the charging cradle.

As shown, the electric toothbrush 100 according to the present invention is the upper teeth cover 110, the lower teeth cover 120, the external movable cover 130, the inner movable cover 140, the guide member (151, 152), the driving unit 160 and a driving rod 170.

The upper tooth cover 110 and the lower tooth cover 120 are positioned corresponding to the upper and lower teeth so as to surround the upper and lower teeth. The upper teeth cover 110 and the lower teeth cover 120 is preferably made of a soft synthetic resin material (silicon material, etc.).

The outer movable cover 130 and the inner movable cover 140 are positioned before and after the upper and outer cover portions of the upper and lower cover 110 and 120, respectively, so as to surround the inner and outer edge portions.

In the central portions of the outer movable cover 130 and the inner movable cover 140, rod holes 131 and 141 through which the driving rod 170 to be described later passes are formed, respectively, and the rod holes 131 and 141 Guide holes 132 and 142 are formed at both sides, respectively.

As described above, the first rod hole 131 and the first guide hole 132 are formed in the external movable cover 130, and the second rod hole 141 and the first movable hole 140 are similarly formed. Two guide holes 142 are further formed.

The first and second rod holes 131 and 141 may have a long groove shape having left and right lengths, and the first and second guide holes 132 and 142 may have a long groove shape having up and down lengths. .

That is, the guide bar 152a of the inner guide cover 152, which will be described later, is inserted into the first and second guide holes 132 and 142, so that the outer movable cover 130 and the inside of the guide bar 152a are referenced. The movable cover 140 may cross and move up and down without shaking.

Therefore, shaking of the external movable cover 130 and the internal movable cover 140 may be prevented to prevent vibration and may be driven in the correct direction.

Here, the outer movable cover 130 and the inner movable cover 140 may be formed narrower from the center toward both ends in the longitudinal direction. In addition, the upper teeth cover 110 and the lower teeth cover 120 described above may be closer to both ends in the longitudinal direction.

The outer movable cover 130 and the inner movable cover 140 as described above, the upper and lower ends are integrally connected to the outer edge portion and the inner edge portion of the upper teeth cover 110 and the lower teeth cover 120 described above. . Here, the upper teeth cover 110 and the lower teeth cover 120 is preferably both ends of each longitudinal direction are integrally connected to finish.

The guide members 151 and 152 are located at the front of the external movable cover 130, the external guide cover 151 to which the rear of the driving unit 160 is fixed to the front, and the rear of the internal movable cover 140. Each of the guide bars 152a protruding from both sides of the front surface of the inner movable cover 140 and the outer movable cover 130 through the first and second guide holes 132 and 142 of the outer movable cover 130. It includes an inner guide cover 152 connected to 130.

The outer guide cover 151 and the inner guide cover 152 may be formed to extend both sides of the outer movable cover 130 and the inner movable cover 140 in the longitudinal direction. Here, the extended portion is preferably formed narrower toward both ends in the longitudinal direction.

The driving unit 160 is connected to the front and rear of the external movable cover 130 so as to be detachably attached thereto, and a body 161 having a battery insertion unit formed therein, and installed inside the body 161, and a power source And a drive motor 162 for rotating the drive rod 170 connected by the supply, and a switch 163 installed in the body 161 to turn on / off power supply to the drive motor 162.

Here, the body 161 may narrowly form a portion connected to the outer guide cover 151. This is to prevent the user's lips from excessively opening when the user is biting the upper tooth cover 110 and the lower tooth cover 120.

In addition, the front surface of the body 161 may be provided with an opening and closing cover 164 detachably installed to insert the battery. Here, the opening and closing cover 164 is preferably fastened to the front surface of the body 161 by a screw coupling method.

On the other hand, as shown in Figure 8, the opening and closing cover 164 of the body 161 to form a mounting groove 164a, the insertion portion 210 is inserted into the front of the body 161, and The holder 200 may further include a holder 200 protruding vertically into the insertion unit 210 and having a mounting protrusion 220 inserted into the mounting groove 164a of the opening / closing cover 164.

The driving rod 170 extends from the rear of the fastening part 171 connected to the driving part, and the first and second rod holes of the external movable cover 130 and the internal movable cover 140. The outer movable cover 130 and the inner movable cover 130 are formed by bending and protruding the rotating shafts 172 respectively penetratingly positioned in the 131 and 141, and both side portions of the rotating shaft 172 in the opposite direction. After positioning in the first and second rod holes 131, 141 of the 140, respectively, and rotates when the rotating shaft 172 rotates, the outer movable cover 130 and the inner movable cover 140, respectively And a protrusion 173 to cross-move.

Here, the fastening part 171 may be connected to the drive shaft 162a of the drive motor installed in the body 161 of the drive unit 160 in a male and female correspondence.

In more detail, a plurality of locking projections 171a having a length before and after is formed on the outer circumferential surface of the fastening portion 171 along the circumferential direction. On the other hand, a groove corresponding to the fastening portion 171 may be formed at an end of the driving shaft 162a, and the locking protrusion 171a may correspond to the outer circumference of the driving shaft 162a while being inserted into the groove. A plurality of locking grooves 172b cut out to be opened to the outside may be formed so as to be inserted.

The protrusion 173 rotates while pushing the first and second rod holes 131 and 141 formed in the outer movable cover 130 and the inner movable cover 140 to the upper side while rotating, and then again the first and second. The rod holes 131 and 141 are moved downward while pushing the rod holes 131 and 141 downward.

Accordingly, the outer edge portion and the inner edge portion of the upper teeth cover 110 and the lower teeth cover 120 may be moved upward and downward.

Meanwhile, each of the protrusions 173 illustrated in FIG. 7A separates an end connected to the rotation shaft 172, protrudes and inserts an insertion protrusion 173a having a screw formed at the separated end, and the rotation shaft 172. A plurality of insertion grooves 172a may be formed along the circumferential direction of the rotation shaft 172 so as to freely change the position of the protrusion 173 at both sides of the longitudinal direction.

In addition, the protrusions 173 may be formed in plural along the circumferential direction of the rotation shaft 172, thereby changing the cross-moving speed of the outer movable cover 130 and the inner movable cover 140.

In addition, each of the protrusions 173 illustrated in FIG. 7B may have a round surface 173b extending in a direction opposite to the direction in which the protrusions 173 are rotated. The round surface 173b minimizes frictional forces with the inner circumferential surfaces of the first and second rod holes 131 and 141 formed in the outer movable cover 130 and the inner movable cover 140 during rotation, and also during rotation. You can also mitigate the impact that occurs.

Hereinafter, the operation of the electric toothbrush 100 according to the present invention.

First, when the user cleans the teeth while the user is biting the upper tooth cover 110 and the lower tooth cover 120, when the switch 163 of the drive unit 160 is turned on (ON), the drive motor of the drive unit 160 162 rotates the driving rod 170.

In this case, the protrusion 173 of the driving rod 170 rotates in contact with the inner circumferential surfaces of the first and second rod holes 131 and 141 formed in the outer movable cover 130 and the inner movable cover 140, respectively. The rotating protrusions 173 push the first and second rod holes 131 and 141 up and down.

Here, the upper and lower ends of the outer movable cover 130 and the inner movable cover 140 and the upper and lower edges of the upper tooth cover 110 and the lower tooth cover 120 that are attached to each other are opposite to the upper and lower edges. Crossover in direction.

Therefore, by the cross-movement method of the upper tooth cover 110 and the lower tooth cover 120, the front and rear surfaces of the user's upper and lower teeth are rubbed and cleaned. Here, toothpaste or a separate cleaning agent may be added into the upper teeth cover 110 and the lower teeth cover 120.

Electric toothbrush 100 of the present invention as described above, as well as the general public, children, the elderly are very convenient to use, can be used for the purpose of cleaning the teeth of pets, if necessary, the use range is wide.

As a result, the electric toothbrush 100 of the present invention by moving the upper and lower edges of the upper and lower teeth covering the upper and lower teeth cover 110 and the lower teeth cover 120 and the upper edge by using a driving force, the brushing is You can automatically wipe the entire tooth at the same time without the need for convenience and reduce the cleaning time of the tooth.

And because the upper teeth cover 110 and the lower teeth cover 120 is in the form of teeth, there is an advantage that can easily and evenly wipe the corners of the teeth, and guides the upper teeth cover 110 and the lower knee cover 120 up and down. By forming the guide holes 132 and 142, the vibration of the upper teeth cover 110 and the lower teeth cover 120 may be minimized by preventing shaking when the upper teeth cover 110 and the lower teeth cover 120 are driven in an intersection.

Although the technical idea of the electric toothbrush according to the present invention has been described above with the accompanying drawings, this is illustrative of the best embodiment of the present invention and is not intended to limit the present invention.

Accordingly, it is a matter of course that various modifications and variations of the present invention are possible without departing from the scope of the present invention. And are included in the technical scope of the present invention.

1 is a perspective view of a conventional electric toothbrush.

Figure 2 is a perspective view of the electric toothbrush coupled to the present invention.

3 is an exploded perspective view according to FIG. 2;

4 is a side view according to FIG. 2;

5 is a plan view according to FIG. 2;

6 is a view showing a coupling method of a driving motor and a driving rod of the driving unit according to FIG.

Figure 7a is a perspective view showing that the attachment and detachment of the projection of the electric toothbrush according to the present invention.

Figure 7b is a perspective view showing that the round surface is formed in the projection of the electric toothbrush in accordance with the present invention.

8 is a perspective view showing a state in which the electric toothbrush is inserted into the charging cradle according to the present invention.

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

100: electric toothbrush 110: upper tooth cover

120: lower tooth cover 130: external movable cover

131: first rod hole 132: first guide hole

140: internal movable cover 141: second rod hole

142: second guide hole 151: outer guide cover

152: inner guide cover 152a: guide bar

160: drive unit 161: body

162: drive motor 162a: drive shaft

162b: engaging groove 163: switch

164: opening and closing cover 164a: mounting groove

170: driving rod 171: fastening portion

171a: locking projection 172: rotating shaft

172a: insertion groove 172b: locking groove

173: protrusion 173a: insertion protrusion

173b: round face 200: holder

210: inserting portion 220: mounting protrusion

Claims (16)

Soft upper and lower teeth cover respectively positioned to correspond to the upper and lower teeth to surround the upper and lower teeth; An outer movable cover and an inner movable cover which are positioned in front and rear, respectively, so as to surround the outer and inner rim portions of the upper and lower tooth covers, and a rod hole and a guide hole formed through the front and rear holes, respectively; Guide members positioned at the front of the outer movable cover and the rear of the inner movable cover, respectively, connected to and fixed to each other through the guide holes; A driving unit fixed to the front of the guide member and provided with driving devices; And A driving rod which is fastened to the driving unit and positioned through the guide member in the rod hole and crosses the outer movable cover and the inner movable cover up and down during rotation to clean the upper and lower needles; Electric toothbrush. The method of claim 1, The upper and lower teeth cover, the outer edge portion and the inner edge portion is integrally connected to the upper and lower ends of the outer movable cover and the inner movable cover, the both ends of the upper and lower teeth cover in the longitudinal direction are integrally connected Electric toothbrush, characterized in that the finish. The method of claim 1, The outer movable cover and the inner movable cover is formed narrower from the center toward both ends in the longitudinal direction, the upper tooth cover and the lower tooth cover is characterized in that the closer to the closer to both ends in the longitudinal direction from the center. The method of claim 1, The rod hole is formed in the center of the outer movable cover and the inner movable cover, the guide hole is characterized in that each formed on both sides of the rod hole. The method of claim 4, wherein The rod hole has a long groove shape having a length left and right, and the guide hole has a long groove shape having a length up and down. The method of claim 1, The guide member is in close contact with the front portion of the outer movable cover, the outer guide cover is connected to the drive unit in front; And An inner guide cover positioned at the rear of the inner movable cover, and each guide bar protruding from both sides of the inner movable cover is fixed to the outer movable cover through the guide holes of the inner movable cover and the outer movable cover, respectively; Full copper toothbrush, characterized in that. The method of claim 6, The outer guide cover and the inner guide cover are formed to extend both sides end in the longitudinal direction of the outer movable cover and the inner movable cover, the extended portion is characterized in that it is formed narrower toward both ends in the longitudinal direction Electric Toothbrush. The method of claim 1, The drive unit is connected to the front and rear of the external movable cover detachably, the body has a battery insertion portion therein; A drive motor installed inside the body and rotating the drive rod to which power is connected by supply; And And a switch installed on the body to turn on / off power supply to the drive motor. The method of claim 8, The body is an electric toothbrush, characterized in that when the user bites the upper and lower teeth cover, the user's lips to form a narrow portion connected to the outer guide cover so as not to be excessively open. The method of claim 8, Electric toothbrush, characterized in that the front of the body is provided with an opening and closing cover detachably installed to insert the battery. The method of claim 10, The opening and closing cover is an electric toothbrush, characterized in that fastened to the front and the screw coupling method of the body. The method of claim 11, To form a mounting groove on the front of the opening and closing cover of the body, And a cradle having an insertion portion into which the front of the body is inserted, and a mounting protrusion protruding vertically into the insertion portion and correspondingly inserted into the mounting groove of the opening / closing cover. The method of claim 5, The driving rod includes a fastening portion connected to the driving portion; And A rotating shaft extending from the rear of the fastening part and penetratingly positioned in the rod hole of the outer movable cover and the inner movable cover; And Each side of the rotary shaft in the longitudinal direction is bent to correspond to each other in the opposite direction to form a protrusion and positioned in the rod hole of the outer movable cover and the inner movable cover, respectively, and then rotates together when rotating the rotary shaft and the outer movable cover Electric toothbrush comprising a; projections for moving the inner movable cover up and down, respectively. The method of claim 13, Each of the protrusions is separated from the end connected to the rotating shaft, protruding to form an insertion protrusion with a screw formed on the separated end, Electric toothbrush, characterized in that to form a plurality of insertion grooves along the circumferential direction of the rotating shaft, so as to be free to change the position of the projection on both sides in the longitudinal direction of the rotating shaft. The method of claim 13, Each of the protrusions is a plurality of electric toothbrush, characterized in that formed in the circumferential direction of the rotation axis. The method of claim 13, Each of the protrusions is a powered toothbrush, characterized in that the rounded surface extends in a direction opposite to the direction of rotation.

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