KR20210057554A - Electric toothbrush - Google Patents

Abstract

Disclosed is an electric toothbrush capable of mounting a general toothbrush configured to be used as an electric toothbrush by mounting a commercially available general toothbrush.

Description

Electric toothbrush that can be attached to a regular toothbrush{ELECTRIC TOOTHBRUSH}

The present invention relates to an electric toothbrush, and more particularly, to an electric toothbrush capable of mounting a general toothbrush configured to be used as an electric toothbrush by mounting a commercially available general toothbrush.

In general, the toothbrushing method recommended by dentistry is brushing while moving the bristles up and down or up and down. This method is difficult to do this easily due to the muscle structure of a person's hand and arm, so instead of using a horizontal method of brushing teeth from side to side. As a result, a lot of wear and tear occurred in the cervical area, and it is more difficult to practice evenly cleaning all areas, so most people who do not brush well have the disadvantage of causing periodontitis due to the deposition of tartar.

In recent years, electric toothbrushes are used to keep the teeth clean and healthy by rotating the toothbrush head with the bristles left and right by using the motor characteristics of the electric motor. The electric toothbrush uses a small electric motor to rotate the bristles. Or, it is recognized as a good tool to motivate children to care for teeth because it is used as a product that causes side-to-side rotation and is easier to use than a regular toothbrush. On the other hand, for the elderly with unnatural arm movement, it is convenient to brush teeth without special training. There is a trend of increasing use as it is highlighted.

However, conventional electric toothbrushes are integrated with the brush head and the drive unit, so if the bristles are worn, only the corresponding product has to be purchased, and if the product is discontinued, the electric toothbrush can be driven, but it is inconvenient to no longer be used. have.

In addition, since only one person can use the conventional electric toothbrush, there is a problem that additional purchase costs are incurred when another person in the family wants to use the electric toothbrush, since it must be purchased according to the number of the family members.

In addition, since the conventional electric toothbrush is configured to rotate or rotate left and right at high speed, there is a problem in that the gums are damaged by the bristles, resulting in gum disease.

The present invention was conceived to solve the problems involved as described above, and an object of the present invention is to provide an electric toothbrush capable of mounting a general toothbrush that can be used as an electric toothbrush by mounting a commercially available general toothbrush. have.

In addition, an object of the present invention is configured so that the bristles of a general toothbrush mounted on an electric toothbrush are operated from the upper side to the lower side and from the lower side to the upper side, and to be operated from the gums to this, so that it has an efficient cleaning movement and a high cleaning performance thereby. As a result, it is more effective in dental care and not only can prevent the problem of damaging teeth and gums, but also provides an electric toothbrush that can be equipped with a general toothbrush configured to safely and sufficiently massage the gums.

The electric toothbrush capable of mounting a general toothbrush according to the present invention for achieving the above object is provided in a handle housing and an inner front end of the handle housing, and a motor shaft protrudes to the rear side of the handle housing and when power is transmitted, the handle housing An electric motor configured to make an elliptical motion within, and a drive shaft having one end coupled to the motor shaft of the electric motor and extending to the rear side of the handle housing to rotate with the motor shaft, and a rear end of the drive shaft coupled to the rear end of the drive shaft A track motion means for converting the rotational motion of the motor into a track motion to perform a track motion of the electric motor coupled to the front end of the drive shaft with respect to the rotation support means, and the drive shaft is installed between the electric motor and the track motion means. A guide means for supporting and guiding the track movement, one end is coupled to the front surface of the electric motor and the other end is discharged to the outside of the handle housing to perform track movement with the electric motor, and a coupling shaft installed on the front side of the electric motor. It comprises a rotation support means for supporting the rotation of the, gripping fixing means installed at the end of the coupling shaft, and a general toothbrush configured to selectively couple a handle to the gripping fixing means to move the track together with the coupling shaft. It is characterized.

Here, the track movement means is integrally coupled to the rear end of the drive shaft to rotate in conjunction with the rotation of the drive shaft, and the rotation gear is formed in a track shape having a long diameter vertically, and the rotation gear is configured to engage with the rotational gear. It consists of a track gear unit configured to perform a track movement while the gear is guided and rotated along its outer surface, and the guide means has a size smaller than that of the track gear unit, and is composed of a track-shaped track ring corresponding to the track gear unit, and the drive The shaft is in close contact with the inner surface of the track ring and is configured to track movement, so that the rotation gear is guide-supported so that it can be closely rotated without being separated from the track gear, and the rotation support means is installed inside the handle housing and It characterized in that it is composed of a support plate in which an installation hole is formed, and an earth bearing installed in the installation hole of the support plate and the coupling shaft is rotatably fitted and supported.

In addition, the gripping and fixing means are coupled to an end of the coupling shaft, a fitting ring into which a handle of a general toothbrush is fitted, a tightening bolt configured to be fastened to a fastening hole formed in the fitting ring, and connected to a lower end of the tightening bolt. Consisting of including a pressurizing hole for fixing the handle of the general toothbrush in the fitting ring by pressing the outer surface of the handle of the general toothbrush that is inserted into the fitting ring by the pressure of the tightening bolt, the tightening bolt is fastened to the fastening hole on the outer surface. A fastening chamber having a male threaded portion and an input hole formed on the lower surface thereof, and an upper end portion being accommodated in the fastening chamber through the input hole, and a pressure support bar having an upper support piece integrally formed at the top and a lower engagement piece integrally formed at the bottom, Consisting of a pressure spring interposed between the upper surface of the fastening chamber and the upper support piece inside the fastening chamber, the pressurizing port is formed on the upper inner side of the pressure body and the pressure body for pressing the outer surface of the general toothbrush, and the lower It characterized in that it is composed of a bolt locking portion to which the coupling piece is coupled.

The electric toothbrush that can be equipped with a general toothbrush according to the present invention can be easily used as an electric toothbrush by attaching a commercially available general toothbrush to the electric toothbrush, and since a single electric toothbrush can be used by a large number of families, it is added. It has the effect of no purchase cost.

In addition, in the present invention, since the bristles are configured to be operated from the upper side to the lower side or from the lower side to the upper side and to be operated so that the bristle is operated from the upper side to the lower side or from the lower side to the upper side, and thus, the effective tooth cleaning movement and high tooth cleaning performance thereof are achieved. It has the effect of being composed.

1 is a plan cross-sectional view of an electric toothbrush capable of mounting a general toothbrush according to the present invention,
Figure 2 is a view for explaining the track movement means in the present invention,
Figure 3 is a view for explaining the guide means in the present invention,
Figure 4 is a cross-sectional view for explaining the rotation support means in the present invention,
Figure 5 is a view for explaining the gripping means in the present invention,
6A to 6D are views for explaining the operation of an electric toothbrush capable of mounting a general toothbrush according to the present invention;
7A and 7B are views for explaining the operation of the bristles in the electric toothbrush that can be equipped with a general toothbrush according to the present invention.

1 is a cross-sectional plan view of an electric toothbrush that can be equipped with a general toothbrush according to the present invention, and FIG. 2 is a view for explaining a track movement means in the present invention, and FIG. 3 is a view for explaining a guide means in the present invention. And, Figure 4 is a cross-sectional view for explaining the rotation support means in the present invention, Figure 5 is a view for explaining the gripping means in the present invention.

1 to 5, the electric toothbrush that can be equipped with a general toothbrush according to the present invention is configured to be used as an electric toothbrush by mounting a commercially available general toothbrush, and cleans the teeth by moving the brush head up and down. It is characterized in that it is configured to keep healthy and, the handle housing 10, the electric motor 20, the drive shaft 30, the track movement means 40, the guide means 50, the coupling shaft 60, It is configured to include a rotation support means (70), a grip fixing means (80) and a general toothbrush (90).

The handle housing 10 has components for operating the electric toothbrush installed therein, and is a part for the user to grip and brush the teeth. Here, a power supply, not shown, for supplying power to the electric motor 20, which will be described later, may be provided inside the handle housing 10, and the power supply may be configured to be supplied from the outside through a wire. It is composed of a battery and may be configured to supply electricity to the electric motor (20).

Further, on the outer surface of the handle housing 10, a switch button 11 for switching the rotation direction of the electric motor 20 to be described later is provided, and the electric motor 20 is fixed according to the operation of the switch button 11. It is configured to rotate or reverse.

The electric motor 20 is provided at the inner front end of the handle housing 10, and the motor shaft 21 protrudes to the rear side of the handle housing 10, and when power is transmitted, an ellipse in the handle housing 10 It is structured to exercise. That is, the electric motor 20 is configured to provide power so that the driving shaft 30 to be described later can be rotated. In addition, it is configured to selectively rotate forward or reverse according to the operation of the switch button 11.

One end of the drive shaft 30 is coupled to the motor shaft 21 of the electric motor and extends to the rear side of the handle housing 10 to rotate together with the motor shaft 21. That is, the drive shaft 30 is coupled to the motor shaft 21 of the electric motor and is configured to rotate together with the motor shaft 21 in conjunction with the rotation of the electric motor 20.

The track motion means 40 is coupled to the rear end of the drive shaft 30 to convert the rotational motion of the rear end of the drive shaft 30 into a track motion, and thus the electric motor 20 coupled to the front end of the drive shaft 30. It is configured to exercise the track.

That is, the track movement means 40 is configured to track the rear end of the driving shaft 30 in an up-down direction, so that the electric motor 20 coupled to the front end of the driving shaft 30 is configured to track movement, which will be described later. It is configured to operate so that the bristles of a general toothbrush can be brushed from the top to the bottom or from the bottom to the top.

More specifically, the track movement means 40 is integrally coupled to the rear end of the driving shaft 30 and rotates in conjunction with the rotation of the driving shaft 30, and a track shape having a long diameter vertically. And the rotation gear 41 is configured to engage with each other so that the rotation gear 41 is guided and rotated along an outer surface thereof, and the track gear portion 42 is configured to perform a track movement. That is, the rotation gear 41 integrally coupled to the rear end of the driving shaft 30 is configured to rotate along the track gear portion 42 to move the driving shaft 30 on a track.

The guide means 50 is installed between the rotation support means 70 and the track movement means 40 and is configured to support and guide the track movement of the drive shaft 30.

More specifically, the guide means 50 has a size smaller than that of the track gear part 42 and is composed of a track-shaped track ring 50 corresponding to the track gear part 42, and the drive shaft 30 ) Is in close contact with the inner surface of the track ring 50 and is configured to track movement, so that the rotation gear 41 is guide-supported so that it can be rotated closely without being separated from the track gear part 42.

That is, the rotation gear 41 integrally coupled to the rear end of the driving shaft 30 rotates along the track gear part 42, and a part of the driving shaft 30 is closely supported on the inner surface of the track ring 50. While being rotated, the track movement of the driving shaft 30 is supported and guided by the track ring 50.

One end of the coupling shaft 60 is coupled to the front surface of the electric motor 20 and the other end is discharged to the outside of the handle housing 10 to perform a track motion together with the electric motor 20. That is, the coupling shaft 60 is integrally coupled to the front surface of the electric motor 20 and is configured to be inverted to the track motion of the driving shaft 30 with respect to the rotation support means 70 to be described later to be tracked.

The rotation support means 70 is installed on the front side of the electric motor 20 and is configured to support the rotation of the coupling shaft 60.

More specifically, the rotation support means 70 is installed inside the handle housing 10 and is installed in a support plate 71 having an installation hole 71a formed in the center, and an installation hole 71a of the support plate The coupling shaft 60 is composed of an earth bearing 72 that is rotatably fitted and supported. With this configuration, the coupling shaft 60 is supported by the earth bearing 41 and is configured to rotate smoothly without flowing.

The gripping means 80 is installed at the end of the coupling shaft 60 and configured to mount a general toothbrush 90 to be described later.

Here, if the gripping means 80 is a structure capable of fixing the general toothbrush 90, a variety of known fixing means such as a clamp method may be applied, but preferably the gripping fixing means is the end of the coupling shaft 60 A fitting ring 81 that is coupled to and into which the handle 91 of the general toothbrush 90 is fitted, a tightening bolt 82 configured to be fastened to a fastening hole 81a formed in the fitting ring 81, and the tightening A pressurization tool that is connected to the lower end of the bolt 82 and presses the outer surface of the handle 91 of the general toothbrush that is inserted into the fitting ring by the pressure of the tightening bolt to fix the handle 91 of the general toothbrush in the fitting ring 81 It is comprised of (83).

In other words, the gripping and fixing means 80 fasten the tightening bolt 82 to the fastening hole 81a of the fitting ring, and press the handle 91 of the general toothbrush fitted in the fitting ring 81 with the pressure port 83 By doing so, the general toothbrush 90 is configured to be fixed in the fitting ring 81.

Further, the tightening bolt 82 includes a fastening chamber 82a having a male thread 82b fastened to the fastening hole 81a on an outer surface and an input hole 82c formed on the bottom surface thereof, and the input hole 82c. Through the fastening chamber (82a) is configured to be accommodated in the upper end, the upper support piece (82e) is integrally formed at the upper end, the lower engaging piece (82f) is integrally formed with a pressure support rod (82d), the fastening It is preferable to include a pressure spring (82g) interposed between the upper surface of the fastening chamber and the upper support piece (82e) in the interior of the chamber (82a). In addition, the pressure port 83 is formed on the upper inner side of the pressure body 83a for pressing the outer surface of the general toothbrush 90 and the pressure body 83a, and the bolt locking portion to which the lower coupling piece 82f is coupled It is preferably composed of (83b).

With this configuration, when the tightening bolt 82 is fastened to the fastening hole 81a of the fitting ring, the pressing port 83 for pressing the outer surface of the handle 91 of the general toothbrush is pressed by the pressing spring 82g. Since it is configured to pressurize continuously through the supported pressurizing support rod (82d), not only the pressing force of the pressurizing port 83 against the general toothbrush 90 is improved, but also the tightening bolt 82 is released from the fastening hole 81a. This is prevented and there is an advantage that the handle 91 of the general toothbrush is fixed more firmly in the fitting ring 81.

The general toothbrush 90 is configured such that the handle 81 is selectively coupled to the gripping means 80 so as to perform a track movement together with the coupling shaft 60. Here, as for the general toothbrush 90, all toothbrushes commercially available in the general market can be applied as long as the handle 91 and the bristles 92 are formed.

Now, the operation and action/effect of the electric toothbrush capable of mounting a general toothbrush according to the present invention configured as described above will be described.

First, in the electric toothbrush that can be equipped with a general toothbrush according to the present invention, when the general toothbrush 90 is mounted on the gripping means 80, a commercially available general toothbrush 90 can be used as an electric toothbrush.

In this way, looking at the operation of the electric toothbrush according to the present invention equipped with a general toothbrush is as follows.

When the motor shaft 21 is rotated in the forward direction by operating the electric motor 20, as shown in FIGS. 6A to 6D, the track movement means 40 integrally coupled to the rear end of the drive shaft 30 The drive shaft 30 moves on the track, and the electric motor 20 coupled to the drive shaft 30 also moves on the track, and the coupling shaft 60 is lower, rear, upper and front based on the rotation support means 70. It is simply reversed and tracked.

At this time, as shown in FIGS. 6A to 6D, the driving shaft 30 is supported and guided by the guide means 50, and the track rotates in the order of a lower end, a rear end, an upper end, and a front end.

That is, by the above operation, the rear end of the drive shaft 30 is configured to track movement in the vertical direction, as shown in FIGS. 6A to 6D, and the electric motor 20 also tracks movement, and the rotation support Based on the means 70, the coupling shaft 60 is also inverted with respect to the driving shaft 30 to perform a track movement, and a general toothbrush 90 coupled to the coupling shaft 60 also performs a track movement.

Then, as shown in Figure 7a, the bristle 92 of the general toothbrush coupled to the end of the coupling shaft 60 coupled to the electric motor 20 is moved up and down in a track so that the bristles 92 are close to the gums. It is operated so that it is brushed from the top to the bottom of the ground.

In addition, when the switch button 11 of the handle housing 10 is pressed, the motor shaft 21 rotates in the reverse direction, and the bristles 92 of the general toothbrush coupled to the end of the coupling shaft 60 are rotated in the reverse direction. Is moved to the bottom, front, top, and rear. Then, as shown in FIG. 7B, the bristles 92 of the general toothbrush are moved to the track in the downward direction, so that the bristles 92 are operated to brush from the lower side to the upper side from the gum to this.

The electric toothbrush that can be equipped with a general toothbrush according to the present invention configured as described above can be easily used as an electric toothbrush by attaching a commercially available general toothbrush to the electric toothbrush, and a number of families can use it using one electric toothbrush. Therefore, it has the advantage of not incurring additional purchase costs.

In addition, since the electric toothbrush that can be equipped with a general toothbrush according to the present invention is configured so that the bristles are operated in a track movement in the vertical direction, the bristles are operated from the upper side to the lower side or from the lower side to the upper side, and the toothbrush is configured to be stiffened from the gum There is an advantage of being configured to have high tooth cleaning performance due to movement and thereby.

Therefore, the electric toothbrush that can be equipped with a general toothbrush according to the present invention is not configured to rotate or rotate left and right at high speed as in the prior art, but is more effective in tooth care because the bristles are configured to be able to brush smoothly in the vertical direction. As well as preventing the problem of damaging teeth and gums, it has the advantage of being able to safely and sufficiently massage the gums.

As described above, the present invention has been illustrated and described in connection with specific embodiments, but those skilled in the art have known that various modifications and changes are possible within the limit without departing from the spirit and scope of the invention indicated by the claims. Anyone who grows up will be easily aware of it.

10: handle housing 20: electric motor
30: drive shaft 40: track movement means
50: guide means 60: coupling shaft
70: rotation support means 80: gripping fixing means
90: regular toothbrush

Claims (3)

A handle housing,
An electric motor provided at the inner front end of the handle housing, a motor shaft protruding to the rear side of the handle housing, and configured to make an elliptical motion within the handle housing when power is transmitted;
A drive shaft having one end coupled to the motor shaft of the electric motor and extending to the rear side of the handle housing to rotate together with the motor shaft;
A track motion means coupled to a rear end of the drive shaft and converting a rotational motion of the rear end of the drive shaft into a track motion to track the electric motor coupled to the front end of the drive shaft with respect to the rotation support means;
A guide means installed between the electric motor and the track motion means to support and guide the track motion of the drive shaft;
One end is coupled to the front of the electric motor and the other end is discharged to the outside of the handle housing, and a coupling shaft for track movement with the electric motor,
Rotation support means installed on the front side of the electric motor to support rotation of the coupling shaft,
A gripping and fixing means installed at an end of the coupling shaft,
An electric toothbrush capable of mounting a general toothbrush, characterized in that it comprises a general toothbrush configured to selectively couple a handle to the gripping means to perform a track movement together with a coupling shaft.
The method of claim 1,
The track movement means is integrally coupled to the rear end of the drive shaft to rotate in conjunction with the rotation of the drive shaft, and is formed in a track shape having a long diameter vertically, and the rotation gear is configured to engage with each other. It is composed of a track gear unit configured to perform a track movement while guide rotation along the outer surface thereof,
The guide means is composed of a track ring having a track shape to correspond to the track gear portion and is configured to move the track while the driving shaft is closely supported on the inner surface of the track ring. It is configured to support the guide so that it can be rotated closely without being separated from the gear part,
The rotation support means is installed in the handle housing and is equipped with a general toothbrush comprising a support plate having an installation hole formed in the center, and an earth bearing installed in the installation hole of the support plate and supported by being rotatably fitted with the coupling shaft. This electric toothbrush is possible.
The method of claim 1,
The gripping fixing means is a fitting ring that is coupled to an end of the coupling shaft and into which a handle of a general toothbrush is fitted, a tightening bolt configured to be fastened to a fastening hole formed in the fitting ring, and a tightening bolt connected to the lower end of the tightening bolt Consisting of including a pressurizing hole that presses the outer surface of the handle of the general toothbrush that is inserted into the fitting ring by pressing of the fitting ring to fix the handle of the general toothbrush in the fitting ring,
The tightening bolt is configured such that a fastening chamber having a male thread fastened to the fastening hole is formed on an outer surface and an input hole is formed on a lower surface thereof, and an upper end part is received in the fastening chamber through the input hole, and an upper support piece is integrally formed at the top. It is configured to include a pressure support rod integrally formed with a lower coupling piece at the lower end, and a pressure spring interposed between the upper surface of the fastening chamber and the upper support piece in the interior of the fastening chamber,
The pressure port is an electric toothbrush mountable for a general toothbrush, characterized in that consisting of a pressure body for pressing the outer surface of the general toothbrush and a bolt locking portion formed on the upper inner side of the pressure body and to which the lower coupling piece is coupled.

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