JPH06217829A - Tooth brush - Google Patents

Abstract

PURPOSE:To provide the tooth brush which substantially prevents the propagation of general bacteria, mildew, etc. CONSTITUTION:This tooth brush has a base body 2 implanted with brushes 1 and a handle 3 provided at the end of this base body 2. The brush is constituted by providing a power source part 4 and a heater 5 within the base body 2. As a result, heat is generated in the heater 5 by the current from the power source part 4 and this heat is transmitted to the brushes 1 via the base body 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toothbrush having a base on which brushes are implanted.

[0002]

2. Description of the Related Art A conventional toothbrush is generally composed of a base body in which a brush made of nylon or the like is implanted, and a gripping body provided at an end portion thereof. Then, by applying a toothpaste etc. on the brush of the toothbrush and brushing the teeth, it is possible to remove the residue of food and plaque attached to the teeth, and after brushing, wash the toothbrush with tap water. Drained the water lightly and kept it as it was.

[0003]

The above-mentioned conventional toothbrush is simply washed with tap water after brushing the teeth, lightly draining the water, and stored as it is. Therefore, the brush does not dry immediately and germs and mold propagate. It became easier and there was a problem in hygiene.

The present invention has been made in view of the above points, and it is an object of the present invention to provide a toothbrush in which germs and molds do not easily propagate.

[0005]

In order to achieve the above object, a toothbrush according to claim 1 comprises a base body in which a brush is implanted and a gripping body provided at an end of the base body, and the brush is provided inside the base body. Is provided with a heating member for heating or a cooling member for cooling.

According to a second aspect of the present invention, the toothbrush according to the first aspect is configured such that the base body and the gripping body are detachable.

A toothbrush according to a third aspect is provided with an installation device formed so as to be detachable from the toothbrush or the base according to the first or second aspect, and the heating member is attached when the toothbrush or the base is attached to the device. Alternatively, the cooling member is configured to operate.

Further, a toothbrush according to a fourth aspect is provided with a brush body which constitutes a part of the base body of the first or second aspect and in which brushes are implanted, and the brush body is attached to or detached from a side surface or an end portion of the base body. It is configured to be flexible.

[0009]

According to the structure of claim 1, when the heating member is provided, the heat of the heating member can be transferred to the brush through the base body, and when the cooling member is provided, the brush is cooled through the base body. The heat is taken away by the members.

According to the structure of claim 2, when the brush becomes old and unusable, the base body can be detached from the gripping body and replaced with a new one.

According to the third aspect of the present invention, unnecessary power consumption is eliminated when the toothbrush or the base is not attached to the installation device.

According to the structure of claim 4, when the brush becomes old and unusable, the brush body can be detached from the base body and replaced with a new one.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS.

As shown in FIG. 2, the toothbrush of this embodiment is composed of a rod-shaped base body 2 in which the brush 1 is planted and a rod-shaped gripping body 3 provided at the end of the base body 2.

As shown in FIG. 1, the base body 2 has a hollow interior, and a power source section 4 is provided on the grip body 3 side.
A heater 5 is provided on the brush 1 side, and the power source unit 4 and the heater 5 are electrically connected. Reference numeral 6 denotes a lid portion provided on the side surface of the base body 2 on the power source portion 4 side, and by opening the lid portion 6, the power source portion 4 that has become unusable can be replaced with a new one.

According to this structure, in the toothbrush of this embodiment, the heater 5 has heat due to the electric current from the power source section 4, and this heat is transmitted to the brush 1 via the base body 2 on the brush 1 side. The brush 1 dries sooner than if it is wiped lightly and the water is left as it is.

In the toothbrush of this embodiment, the heater 5 is always operated by the current from the power source section 4 even while brushing the teeth, but the heater 5 is not operated during brushing by attaching a changeover switch or the like. It may be configured as follows.

Next, a second embodiment of the present invention will be described with reference to FIG. It should be noted that members having substantially the same functions as those in the first embodiment are designated by the same reference numerals in the drawings and the description thereof will be omitted.

The toothbrush of this embodiment uses the cooling surface 7a of the Peltier element 7 as a cooling member. The Peltier element 7 is arranged such that its cooling surface 7a faces the brush 1 side, and the temperature of the cooling surface 7a is set low so that the brush 1 does not freeze (4 to 8 ° C.). That is, various bacteria and molds are most likely to propagate at a humidity of 80% and a temperature of 20 to 30 ° C., and even if the humidity is high, the lower the temperature is, the less likely it is to propagate. In order to exert the function of 1, the temperature that does not freeze must be set, so the appropriate temperature is 4 ° C.
As described above, as a result, the temperature of the cooling surface 7a is set to 4 to 8 ° C. By the way, the above-mentioned Peltier element 7 is composed of a combination of N-type and P-type semiconductors, and when a current is passed through the element, one surface becomes a cooling surface 7a and the other surface becomes a heating surface 7b, and the current When the direction is reversed, the cooling surface 7a
Is an element utilizing the Peltier effect having the property that the heating surface 7b is reversed.

According to this structure, in the toothbrush of this embodiment, the heat of the brush 1 is taken by the cooling surface of the Peltier element 7 via the base body 2 on the brush 1 side, and the brush 1 is cooled to the extent that it does not freeze.

In the toothbrush of this embodiment, the heating surface 7b of the Peltier element 7 may be arranged so as to face the brush 1 side. In this case, the brush 1 dries faster than washing with water after brushing the teeth and lightly draining the water and leaving it as it is.

Next, a third embodiment of the present invention will be described with reference to FIGS.
It will be described based on. It should be noted that members having substantially the same functions as those in the first embodiment are designated by the same reference numerals in the drawings and the description thereof will be omitted.

As shown in FIG. 4, the gripping body 3 has a power source section 4
A motor 8, and a motion converting member 9 that converts the rotational force of the output shaft 8a of the motor 8 into a motion that reciprocates by rotating at an angle (provisionally referred to as a reciprocating rotary motion), and a motion converting member 9 Is provided with a drive shaft 10 for transmitting the movement of the above to the base body 2, a joint portion 11 provided at an end of the drive shaft 10, and a switch 12 for turning on / off a current flowing from the power source portion 4 to the motor 8 and the joint portion 11. ing.

As shown in FIG. 5, the base body 2 is provided with a brush body 13 in which the brush 1 is planted, in which a fitting portion 2a for fitting the drive shaft 10 of the grip body 3 is formed at the end portion. . The brush body 13 is formed with a hook portion 13a at its longitudinal end portion, and the base body 2 is formed with an engagement portion 2b for engaging the hook portion 13a of the brush body 13, which is engaged with the hook portion 13a. By engaging and disengaging the mating portion 2b with each other, the brush body 13 can be freely attached to and detached from the base body 2. A heater 5 is provided inside the base 2, and a contact portion 14 is provided at an end portion on the fitting portion 2a side, and the heater 5 and the contact portion 14 are electrically connected.
6 is a side view showing the brush body 13, and FIG. 7 is an enlarged view of a main part showing an engaged state of the hooking portion 13a of the brush body 13 and the engaging portion 2b of the base 2.

According to this structure, in the toothbrush of this embodiment, the contact portion 14 of the base body 2 and the grip body 3 are joined together as the fitting portion 2a of the base body 2 is fitted into the drive shaft 10 of the grip body 3. The part 11 joins. In this state, when a current is applied to the motor 8 and the joint portion 11 by operating the switch 12, the output shaft 8a
Is rotated, and the rotation of the output shaft 8a is converted into reciprocating rotary motion by the motion converting member 9, and the base body 2 reciprocally rotates via the drive shaft 10. As a result, the tooth can be brushed simply by bringing the brush 1 into contact with the tooth. After brushing the teeth, if the brush 1 is washed with water and left for a while, the water in the brush 1 is released to the outside by a reciprocating rotary motion,
The brush 1 is dried by the heat conducted from the heater 5 to the brush body 13. Further, since the brush body 13 is detachable from the base body 2, when the brush 1 is worn out and cannot be used, the brush body 13 can be removed from the base body 2 and a new brush body 13 can be mounted on the base body 2. it can.

Next, a fourth embodiment of the present invention will be described with reference to FIG. It should be noted that members having substantially the same functions as those in the first embodiment are designated by the same reference numerals in the drawings and the description thereof will be omitted.

As shown in FIG. 8, the storage / installation base 15 is formed in a convex shape, has a power supply unit 4 inside, and a holding unit 15a for holding the base body 2 in the upper portion, and a power supply unit 4. A joint portion 11 that is electrically connected is provided. Base 2
Is provided with a heater 5 inside thereof, and a held portion 2c held by a holding portion 15a of a storage / installation base 15 at a lower end of the base 2 in the drawing, and a contact portion 14 electrically connected to the heater 5.
And are provided. Although not shown, when brushing teeth, the gripping body 3 formed so as to be detachable from the base 2 is attached to the end of the base 2 for use.

According to this structure, in the toothbrush of this embodiment, after brushing the toothbrush, the toothbrush is washed with water to hold the base body 2 in the grip body 3.
Removed from the base 2, and the held portion 2c of the base body 2 is attached to the storage base 15
The contact portion 14a with the holding portion 15a
Are joined to the joining portion 11. As a result, the heater 5 generates heat due to the current from the power supply unit 4, and this heat is transmitted to the brush 1 through the base body 2 on the brush 1 side. Therefore, after brushing the teeth, wash with water, lightly drain the water, and leave it as it is. Brush 1 dries faster than.

In the toothbrush of the present invention, the heating member may be configured to generate heat by conducting or transmitting heat from a heat source other than the heating member, and the cooling member may be a cooling source other than the cooling member. The heat may be taken away by.

Further, the toothbrush of the present invention may be configured such that the heating member or the cooling member is operated by utilizing a chemical reaction, or the heating member or the cooling member itself causes a chemical reaction.

[0031]

In the toothbrush according to the first aspect of the present invention, when the heating member is provided inside the base, the heat of the heating member can be transferred to the brush through the base. The brush dries faster than it is left as it is, and it becomes difficult for bacteria and mold to propagate. In addition, various bacteria and molds easily propagate when there is humidity and a relatively high temperature. However, when a cooling member is provided inside the substrate in the present invention, the brush removes heat from the cooling member through the substrate. Since it is cooled, it is more difficult for bacteria and mold to propagate than when it is humid and the temperature is relatively high.

According to the toothbrush of the second aspect, in addition to the effect of the first aspect, the base body is detachable from the gripping body.
When the brush becomes old and unusable, the base body can be detached from the gripping body and replaced with a new one, and the gripping body can be repeatedly used.

According to the toothbrush of the third aspect, in addition to the effect of the first aspect, since the heating member or the cooling member can be operated by mounting the toothbrush or the base on the installation device, the toothbrush or the base is installed. It is economical because there is no unnecessary power consumption when it is not installed in the device.

In the toothbrush according to the fourth aspect, in addition to the effect according to the first aspect, since the brush body is detachable from the base body, when the brush becomes old and unusable, the brush body is detached from the base body. Can be replaced with a new one,
The substrate can be used repeatedly.

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part showing a first embodiment of the present invention.

FIG. 2 is a perspective view thereof.

FIG. 3 is a sectional view of an essential part showing a second embodiment of the present invention.

FIG. 4 is a partial sectional view showing a third embodiment of the present invention.

FIG. 5 is a cross-sectional view showing the base body.

FIG. 6 is a side view showing the brush body.

FIG. 7 is an enlarged view of a main part thereof.

FIG. 8 is a cross-sectional view of essential parts showing a fourth embodiment of the present invention.

[Explanation of symbols]

 1 Brush 2 Base 3 Grasping Body 5 Heater 7 Peltier Element 13 Brush Body 15 Storage Installation Stand

Claims (4)

[Claims] 1. A toothbrush provided with a base body in which a brush is planted and a gripping body provided at an end of the base body, wherein the base body is provided with a heating member for heating the brush or a cooling member for cooling the brush. 2. The toothbrush according to claim 1, wherein the base body and the grip body are formed to be removable. 3. An installation device formed so as to be detachable from the toothbrush or the base, and the heating member or the cooling member is operated when the toothbrush or the base is attached to the device. The listed toothbrush. 4. The toothbrush according to claim 1 or 2, wherein a brush body which constitutes a part of the base body and has brushes implanted therein is provided, and the brush body is detachably attached to a side surface or an end portion of the base body.