WO2010085023A1

WO2010085023A1 - Toothbrush

Info

Publication number: WO2010085023A1
Application number: PCT/KR2009/002258
Authority: WO
Inventors: 조현주; 이기현
Original assignee: Jo Hyun-Ju; Lee Ki-Hyun
Priority date: 2009-01-20
Filing date: 2009-04-29
Publication date: 2010-07-29
Also published as: CN102281797A; US20110277256A1; GB201114270D0; KR100894892B1; CN102281797B; GB2480033A

Abstract

The present invention relates to a toothbrush, comprising: a toothbrush body unit having a gripping handle and a head part coupled to the front end of the gripping handle; a bristle implanted in one area of the outer surface of the head part; a laser diode mounted on the gripping handle to emit a laser beam to the inside of the head part; a battery mounted on the gripping handle and electrically connected to the laser diode; a laser driving unit having a start switch installed on the gripping handle; a reflector installed within the head part to guide the laser beam emitted by the laser diode to the bristle; and a light-scattering member having a scattering body which is made of a transparent material and which has a laser passage hole with a cross-sectional area smaller than the illumination area of the laser beam emitted by the laser diode, and which is arranged in the toothbrush body unit to enable the laser beam emitted by the laser diode to pass through the laser passage hole and be scattered.

Description

toothbrush

The present invention relates to a toothbrush, and more particularly to a toothbrush having a structure capable of irradiating a laser toward the bristles.

Recently, a toothbrush having a structure capable of irradiating a laser toward the bristles to be used to obtain a sterilizing effect on teeth and bristles with biological effects such as promoting blood circulation in the oral cavity and gums has been used.

9 is a perspective view of a conventional toothbrush, FIG. 10 is an exploded perspective view of a conventional toothbrush, FIG. 11 is a detailed view of the carrier area shown in FIG. 10, FIG. 12 is a sectional view of a conventional toothbrush, and FIG. 13 is a conventional Is the electrical connection of the toothbrush.

Conventional toothbrushes, toothbrush body 130 having a head portion 150 coupled to the toothbrush stand 130 and the toothbrush stand 130, as shown in these figures, and a laser diode 161 installed on the toothbrush stand 130 ) And the battery 162, the laser driver 170 opening and closing the electrical connection between the laser diode 161 and the battery 162, and the bristles 163 centrally planted in one area of the outer surface of the head 150. And a reflecting mirror 164 provided inside the head portion 150.

Toothbrush 130 is a tubular toothbrush body 131, the end cap 132 coupled to the rear end of the toothbrush body 131, the toothbrush body 131 and the inner space of the end cap 132 It has the carrier 133 provided.

The toothbrush bar body 131 has an insertion hill 131a formed on the inner surface of the front end region.

The insertion hill 131a has a pair of insertion guide grooves 131b formed along the longitudinal direction.

The carrier 133 is formed in a semicircular cross-sectional shape, and a support plate 133a is formed at the front end.

The carrier 133 having such a structure is bonded to the toothbrush body 131 so that the support plate 133a enters the inside of the toothbrush body 131 beyond the insertion hill 131a.

The head part 150 has the head body part 151 of an elongate cross section, and the toothbrush bar connection part 152 extended from the head body part 151.

The head body 151 is formed in a hollow shape, and the laser irradiation hole 151a is formed in the area where the bristles 163 are planted.

The toothbrush bar connecting portion 152 is formed on the outer surface such that a pair of engaging projections 152a correspond to the insertion guide groove 131b.

Head portion 150 having such a structure is made of a transparent synthetic resin, and is coupled to the toothbrush body 131 in the following manner.

First, the coupling protrusion 152a is inserted into the insertion guide groove 131b.

Next, when the coupling protrusion 152a passes completely through the insertion guide groove 131b, the head portion 150 is rotated a little.

The coupling state between the head 150 and the toothbrush bar body 131 is maintained by the engaging action between the engaging projection 152a and the insertion hill 131a.

The laser diode 161 is provided in the center region of the support plate 133a.

The battery 162 is installed to be electrically connected to the pair of battery terminals 162a installed in the carrier 133.

The laser driver 170 includes a substrate 171 mounted on the carrier 133, a push button 172 of an elastic material formed in the center region of the handle body 131, and a start switch 173 provided on the carrier 133. ), A safety switch 174 coupled to the substrate 171, a switching circuit unit 175 and a driving control unit 176 implemented on the substrate 171.

The start switch 173 is turned on when the push button 172 is pressed, and is turned off when the push button 172 is pressed, and is turned on by the drive control unit 176 when the start contact is turned on. And an on-state signal generator for applying a voltage signal.

The safety switch 174 is composed of a tubular safety fixed terminal 174a, one end of which is electrically connected to the laser diode 161, and one end of a linear safety movable terminal 174b that is electrically connected to the switching circuit unit 175. have.

The safety fixing terminal 174a is provided on the support plate 133a to surround the laser diode 161.

The safety movable terminal 174b is fixed to the substrate 171 so that its end is disposed between the insertion hill 131a and the safety fixing terminal 174a.

The safety movable terminal 174b having this configuration is electrically connected to the safety fixing terminal 174a when the toothbrush bar connecting portion 152 enters the interior of the toothbrush bar body 131 and the safety switch 174 is turned on. . Accordingly, the safety switch 174 can electrically connect between the laser diode 161 and the switching circuit unit 175 when the head 150 is coupled to the toothbrush bar body 131.

The switching circuit unit 175 is connected to the output terminal of the drive control unit 176. The switching circuit unit 175 is configured to open and close an electrical connection between the battery 162 and the laser diode 161 according to a control signal from the driving control unit 176. Since the configuration of the switching circuit unit 175 that performs this function is well known, a detailed description thereof will be omitted.

The drive control unit 176 has an input terminal connected to the start switch 173.

The drive controller 176 is supplied with the battery voltage to the laser diode 161 when the on-state voltage signal is input from the start switch 173 while the safety switch 174 is set to the on state. The switching circuit unit 175 is controlled to cut off the battery voltage supplied to the laser diode 161 when the voltage signal is not input.

The reflector 164 is formed to have the reflective surface 164a of the bent shape twice, and the reflective surface 164a is installed at the rear area of the bristles 163 of the head 150 so that the reflective surface 164a faces the bristle 163.

Reflector 164 having such a configuration can be installed inside the head portion 150 by the insert injection method.

Accordingly, the reflector 164 may guide the laser beam emitted from the laser diode 161 toward the bristles 163.

Referring to the method of using a conventional toothbrush having the above-described configuration is as follows.

First, the head unit 150 is coupled to the toothbrush bar body portion 131.

When the head unit 150 is coupled to the toothbrush bar body 131 and the safety movable terminal 174b contacts the safety fixing terminal, the safety switch 174 is turned on.

Next, the push button 172 is pressed.

When the push button 172 is pressurized and the on-state voltage signal is input from the start switch 173, the driving control unit 176 controls the switching circuit unit 175 to electrically connect the laser diode 161 and the battery 162. do.

When the laser diode 161 and the battery 162 are electrically connected, the laser is irradiated from the laser diode 161.

The laser irradiated from the laser diode 161 is reflected by the reflector 164 and then irradiated to the tooth region through the laser irradiation hole 151a.

The user brushes the teeth with the brush head 163 when the laser is irradiated.

After brushing it, press the push button 172 again.

When the push button 172 is pressed again and the on-state voltage signal is inputted again from the start switch 173, the driving control unit 176 switches the switching circuit unit so that electrical connection between the laser diode 161 and the battery 162 is cut off. 175).

When the electrical connection between the laser diode 161 and the battery 162 is cut off, the laser irradiation of the laser diode 161 is stopped.

Later, when you want to brush again, press the push button 172 again.

By the way, according to the conventional toothbrush, there is a problem that it is difficult for the user to check whether the laser is irradiated from the laser diode 161 because the structure for scattering the laser is not provided in the laser irradiation path.

It is therefore an object of the present invention to provide a toothbrush which allows a user to easily check whether a laser is irradiated from a laser diode.

According to the present invention, the toothbrush body and the toothbrush body having a head portion coupled to the front end of the toothbrush stem, the bristles centrally planted in one area of the outer surface of the head portion, and to irradiate a laser toward the inside of the head portion The electrical connection between the laser diode and the battery according to the operation state of the start switch having a laser diode installed on the toothbrush bar, a battery installed on the toothbrush bar to be electrically connected to the laser diode, and a start switch installed on the toothbrush bar. A toothbrush having a laser driving unit for opening and closing and a reflector provided inside the head portion to guide the laser beam emitted from the laser diode toward the bristles, wherein the toothbrush is made of a transparent material and is smaller than the irradiation area of the laser beam irradiated from the laser diode. Laser through hole of cross section And a scattering member body disposed in the toothbrush body so that the laser irradiated from the laser diode passes through the laser passing hole and the laser irradiated from the laser diode is scattered, and the scattering state of the scattering member body is used. It is achieved by a toothbrush, characterized in that it comprises a light scattering member installed in the toothbrush body portion.

Here, the light scattering member is preferably installed inside the toothbrush body so as to prevent foreign matter from adhering to the light scattering member.

And the head portion has a toothbrush rod connection portion is formed extending from the head body portion and the head body portion where the bristles are planted and the scattering member seating space is formed in the longitudinal section, such that it can be used for other body parts, such as the inside of the ear, the toothbrush rod Detachably coupled to the front end of the toothbrush bar via a connection; The light scattering member is preferably coupled to the toothbrush bar to be accommodated in the scattering member seating space.

The light scattering member may further include a contact safety part extending from an outer surface of the scattering member body to cooperate with the scattering member body to form an umbrella so as to prevent damage to a body part contacting the light scattering member. It is preferable.

According to the present invention, the user can easily check whether the laser is irradiated from the laser diode by providing the light scattering member scattering the laser irradiated from the laser diode to the toothbrush body.

1 is a perspective view of a toothbrush according to one embodiment of the present invention;

2 is an exploded perspective view of a toothbrush according to one embodiment of the present invention;

3 is a detailed view of the carrier region shown in FIG. 2;

4 is a perspective view of the light scattering member shown in FIG.

5 and 6 are cross-sectional views of the toothbrush according to one embodiment of the present invention, respectively;

Figure 7 is an electrical connection of the toothbrush in accordance with an embodiment of the present invention,

Figure 8 is a sectional view of the main portion of the toothbrush according to another embodiment of the present invention,

9 is a perspective view of a conventional toothbrush,

10 is an exploded perspective view of a conventional toothbrush,

FIG. 11 is a detailed view of the carrier area shown in FIG. 10;

12 is a cross-sectional view of a conventional toothbrush,

Figure 13 is an electrical connection diagram of a conventional toothbrush.

Explanation of symbols on the main parts of the drawings

10, 110: toothbrush body 20, 130: toothbrush rod

30: handle portion 31: handle body portion

40: head connection portion 41: head connection body portion

50, 150: head portion 51, 151: head body portion

52, 152: toothbrush connecting portion 61, 161: laser diode

63, 163: brush head 70, 170: laser drive unit

73, 173: start switch 74, 174: safety switch

80, 80 ': light scattering member 81: scattering member body portion

131: toothbrush body

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

1 is a perspective view of a toothbrush according to an embodiment of the present invention, Figure 2 is an exploded perspective view of a toothbrush according to an embodiment of the present invention, Figure 3 is a detailed view of the carrier region shown in Figure 2, Figure 4 2 is a perspective view of the light scattering member shown in Figure 2, Figures 5 and 6 are cross-sectional views of a toothbrush according to an embodiment of the present invention, Figure 7 is an electrical connection of the toothbrush according to an embodiment of the present invention.

Toothbrush according to an embodiment of the present invention, as shown in these drawings, the toothbrush body portion 10 and the toothbrush body portion 10 having a head portion 50 coupled to the toothbrush rod 20, the toothbrush pole 20 A laser diode 61 and a battery 62 installed in the laser diode, a laser driver 70 for opening and closing an electrical connection between the laser diode 61 and the battery 62, and a light scattering member 80 provided in the toothbrush body 10. ), Bristles 63 concentrated on one outer surface of the head portion 50, and a reflecting mirror 64 provided inside the head portion 50.

The toothbrush pole 20 has a rod-shaped handle portion 30 and a tubular head connection portion 40 detachably coupled to the front end of the handle portion 30.

Handle portion 30 is the tubular handle body portion 31, the end cap 32 coupled to the rear end of the handle body portion 31, the inner space of the handle body portion 31 and the end cap 32 It has the carrier 33 provided in the.

The handle body portion 31 has an insertion hill portion 31a formed on the inner surface of the front end region.

In the insertion hill portion 31a, a pair of insertion guide grooves 31b are formed along the longitudinal direction.

The carrier 33 is formed in a semicircular cross-sectional shape, and a support plate 33a is formed at the front end.

The carrier 33 having such a structure is bonded to the handle body portion 31 so that the support plate 33a enters the handle body portion 31 beyond the insertion hill portion 31a.

The head connecting portion 40 has a tubular head connecting body portion 41 and a tubular handle engaging narrow portion 42 formed to have an outer diameter smaller than the head connecting body portion 41 from the rear end of the head connecting body portion 41. ), And the head coupling from the front end of the head coupling body portion 41 and the head coupling narrow portion 43 of the tubular shape formed to have an outer diameter smaller than the head coupling body portion 41, and the head coupling from the front end of the head coupling diameter portion 43. The tubular seating space narrowing portion 44 is formed to have a smaller outer diameter than the narrowing portion 43.

The handle coupling narrow portion 42 is formed on the outer surface such that a pair of coupling protrusions 42a correspond to the insertion guide groove 31b.

Head connection portion 40 having such a structure is made of a transparent synthetic resin, and is coupled to the handle portion 30 in the following manner.

First, the coupling protrusion 42a is inserted into the insertion guide groove 31b.

Next, when the coupling protrusion 42a passes completely through the insertion guide groove 31b, the head connection part 40 is rotated a little.

The coupling state between the head connection portion 40 and the handle portion 30 is maintained by the engaging action between the engaging projection 42a and the insertion hill 31a.

The head part 50 has the head body part 51 of an elongate cross section, and the toothbrush bar connection part 52 extended from the head body part 51. As shown in FIG.

The head body 51 is formed in hollow shape, and the laser irradiation hole 51a is formed in the area | region in which the bristle 63 is planted.

Toothbrush bar connecting portion 52 is the scattering member seating space 52a is formed in the longitudinal direction along the longitudinal direction. Here, the scattering member seating space 52a is formed to have a greater length than the head coupling narrow portion 43.

The head portion 50 having such a structure is made of transparent synthetic resin, and is coupled to the head connecting portion 40 such that the inner surface of the toothbrush rod connecting portion 52 is in close contact with the outer surface of the head coupling narrow portion 43.

The laser diode 61 is provided so as to be aligned with the seating space narrowing portion 44 in the center region of the support plate 33a.

The battery 62 is installed to be electrically connected to a pair of battery terminals 62a installed in the carrier 33.

The laser driver 70 includes a substrate 71 mounted on the carrier 33, a push button 72 made of an elastic material formed in the center area of the handle body 31, and a start switch 73 provided on the carrier 33. ), A safety switch 74 coupled to the substrate 71, a switching circuit 75 and a drive control unit 76 implemented on the substrate 71.

The start switch 73 is turned on when the push button 72 is pressed, and is turned off when the push button 72 is turned off when the push button 72 is pressed. And an on-state signal generator for applying a voltage signal.

The safety switch 74 is composed of a tubular safety fixed terminal 74a of which one end is electrically connected to the laser diode 61, and a linear safety movable terminal 74b of which one end is electrically connected to the switching circuit unit 75. have.

The safety fixing terminal 74a is provided on the support plate 33a so as to surround the laser diode 61.

The safety movable terminal 74b is fixed to the substrate 71 so that its end is disposed between the insertion hill 31a and the safety fixing terminal 74a.

The safety movable terminal 74b having such a configuration is electrically connected to the safety fixing terminal 74a when the handle coupling narrow portion 42 enters the inside of the handle body 31 and the safety switch 74 is in an on state. Becomes Accordingly, the safety switch 74 can be electrically connected between the laser diode 61 and the switching circuit unit 75 when the head connector 40 is coupled to the handle portion 30.

The switching circuit unit 75 is connected to the output terminal of the drive control unit 76. The switching circuit unit 75 is configured to open and close an electrical connection between the battery 62 and the laser diode 61 according to a control signal from the drive control unit 76. Since the configuration of the switching circuit unit 75 performing such a function is well known, a detailed description thereof will be omitted.

The drive control unit 76 has an input terminal connected to the start switch 73.

The drive control unit 76 is supplied with the battery voltage to the laser diode 61 when the on-state voltage signal is input from the start switch 73 with the safety switch 74 set to the on state from the start switch 73. The switching circuit unit 75 is controlled to cut off the battery voltage supplied to the laser diode 61 when the voltage signal is not input.

The light scattering member 80 extends from the outer surface of the scattering member body portion 81, the scattering member coupling tube portion 82 extending from the scattering member body portion 81, and the scattering member body portion 81 having a substantially hemispherical shape. It has a pair of contact safety part 83 formed.

The scattering member body portion 81 has a laser passing hole 81a formed therethrough. Here, the laser passing hole 81a is formed to have a cross-sectional area smaller than that of the laser irradiated from the laser diode 61.

The scattering member coupling pipe portion 82 is formed to be disposed in a straight line with respect to the laser passing hole 81a.

The pair of contact safety portions 83 extend from the outer surface of the scattering member body portion 81 to form an umbrella in cooperation with the scattering member body portion 81.

The light scattering member 80 having such a structure is made of a transparent (including translucent) material such as silicon. Here, the light scattering member 80 is preferably manufactured to have a color.

And the light scattering member 80 is coupled to the head connection portion 40 by forcing the scattering member coupling pipe portion 82 to the seating space narrowing portion 44. Accordingly, the light scattering member 80 is accommodated in the scattering member seating space 52a, and the laser passing hole 81a is disposed in a straight line with respect to the laser diode 61.

As the laser passing hole 81a is disposed in a straight line with respect to the laser diode 61, some of the lasers irradiated from the laser diode 61 pass through the laser passing hole 81a as it is, and the rest of the scattering member body portion 81 Spawning through).

And since the light scattering member 80 is disposed directly below the head connecting portion 40 made of a transparent material, it is possible to see the scattering member body portion 81 with the naked eye.

As such, when the laser is scattered in the scattering member body portion 81 and the scattering member body portion 81 is visible to the naked eye, the user may know that the laser is irradiated from the laser diode 61.

The reflecting mirror 64 is formed to have the reflecting surface 64a of the bent shape twice, and the reflecting surface 64a is provided at the rear region of the bristle 63 of the head portion 50 so that the reflecting surface 64a faces the bristle 63.

The reflecting mirror 64 having such a configuration can be installed inside the head portion 50 by the insert injection method.

Accordingly, the reflector 64 can guide the laser beam irradiated from the laser diode 61 toward the bristle 63.

Referring to the method of using a toothbrush according to an embodiment of the present invention having the above-described configuration is as follows.

First, the head connection portion 40 is coupled to the handle portion 30.

When the head connection part 40 is coupled to the handle part 30 and the safety movable terminal 74b contacts the safety fixing terminal, the safety switch 74 is turned on.

Next, the push button 72 is pressed.

When the push button 72 is pressurized and the on-state voltage signal is input from the start switch 73, the driving control unit 76 controls the switching circuit unit 75 to electrically connect the laser diode 61 and the battery 62. do.

When the laser diode 61 and the battery 62 are electrically connected, the laser is irradiated from the laser diode 61.

The laser irradiated from the laser diode 61 passes through the laser passing hole 81a and the laser is scattered by the scattering member body portion 81. It can be seen that the laser is irradiated from the laser diode 61 through scattering of the laser by the scattering member body portion 81.

The laser beam passing through the laser passing hole 81a is reflected by the reflector 64 and then irradiated to the tooth region through the laser irradiation hole 51a.

The user brushes the teeth with the brush head 63 when the laser is irradiated.

After brushing it, press the push button 72 again.

When the push button 72 is pressed again and the on-state voltage signal is inputted again from the start switch 73, the driving controller 76 switches the switching circuit unit so that the electrical connection between the laser diode 61 and the battery 62 is cut off. 75).

When the electrical connection between the laser diode 61 and the battery 62 is interrupted, the laser irradiation of the laser diode 61 is stopped.

Later, when you want to brush your teeth again push button 72 is operated.

On the other hand, other parts of the body such as the inside of the mouth, nose or ears can be used in the following ways.

First, the head 50 is separated from the toothbrush rod 20.

Next, the light scattering member 80 enters the inside of the mouth, nose or ear. When entering the light scattering member 80, the contact safety portion 83 serves to prevent body parts from being damaged.

Next, the push button 72 is pressed.

When the push button 72 is pressed, the laser is irradiated from the laser diode 61.

The laser irradiated from the laser diode 61 passes through the laser passing hole 81a and the laser is scattered by the scattering member body portion 81.

The inside of the mouth, nose, or ear is brightened by the laser scattered by the scattering member body portion 81, and the inside of the mouth, nose, or ear is sterilized by the laser passing through the laser passage hole 81a.

After looking at the inside of the mouth, nose or ears or after sterilization, the push button 72 is pressed again.

When the push button 72 is pressed again, the electrical connection between the laser diode 61 and the battery 62 is cut off and the laser irradiation of the laser diode 61 is stopped.

Meanwhile, in the above-described embodiment, the light scattering member 80 is detachably coupled to the toothbrush body 10, but as shown in FIG. 8, the light scattering member 80 ′ is provided inside the toothbrush body 10. Can be installed by insert injection method.

The light scattering member 80 'is formed with a laser passing hole 80'a in the center region.

And the light scattering member 80 may be installed so as to be exposed to the outside of the toothbrush body 10 can implement the present invention.

As described above, according to the embodiment of the present invention, the light scattering members 80 and 80 'for scattering the laser beam irradiated from the laser diode 61 are provided in the toothbrush body portion 10, whereby the laser from the laser diode 61 is provided. The user can easily check whether or not is irradiated.

And by installing the light scattering member 80 in the toothbrush body 10, it is possible to prevent the foreign matter adhered to the light scattering member (80).

In addition, the scattering member seating space 53 is formed in the head portion 50, and the light scattering member 80 is coupled to the toothbrush pole 20 so as to be accommodated in the scattering member seating space 53, so as to be placed on other body parts such as the inside of the ear. It becomes usable.

In addition, by forming the contact safety portion 83 on the outer surface of the scattering member body 81, it is possible to prevent damage to the body part when used in other body parts.

Claims

A toothbrush body having a toothbrush rod and a head portion coupled to the front end of the toothbrush rod, bristles concentrated on one outer surface of the head portion, and a laser diode mounted on the toothbrush rod to irradiate a laser toward the inside of the head portion; A laser driving unit having a battery installed on the toothbrush stand to be electrically connected to a laser diode, a laser driving unit for opening and closing an electrical connection between the laser diode and the battery according to an operation state of the start switch with a start switch installed on the toothbrush stand, and the laser diode In a toothbrush having a reflector provided inside the head portion to guide the laser beam irradiated from the bristle,

A laser through hole made of a transparent material and having a cross-sectional area smaller than the irradiation area of the laser irradiated from the laser diode is formed, and the laser irradiated from the laser diode passes through the laser through hole and the laser irradiated from the laser diode is scattered. Toothbrush having a scattering member body is installed on the toothbrush body portion, the light scattering member is installed on the toothbrush body so that the user can check the scattering state of the scattering member body.
The method of claim 1,

The light scattering member is a toothbrush, characterized in that installed in the toothbrush body.
The method of claim 2,

The head portion has a head body portion is formed from the head brush portion and the head body portion to be planted and the toothbrush rod connecting portion is formed in the longitudinal section scattering member seating space, and is detachably coupled to the front end of the toothbrush through the toothbrush connecting portion ;

Toothbrush is characterized in that the light scattering member is coupled to the toothbrush bar to be accommodated in the scattering member seating space.
The method of claim 3,

The light scattering member further comprises a contact safety portion extending from the outer surface of the scattering member body portion to form an umbrella in cooperation with the scattering member body portion.