KR102133470B1 - Electric toothbrush and case for electric toothbrush - Google Patents

Abstract

The present invention, the toothbrush body to house the motor and the battery; And it is provided on one end of the toothbrush body, including a bristle formed to protrude from the longitudinal imaginary line of the toothbrush body, to provide an electric toothbrush, and an electric toothbrush case for storing the electric toothbrush.

Description

Electric toothbrush and electric toothbrush case{ELECTRIC TOOTHBRUSH AND CASE FOR ELECTRIC TOOTHBRUSH}

The present invention relates to an electric toothbrush and an electric toothbrush case.

In general, a toothbrush used to remove food debris, plaque, and calculus between teeth after eating food has played a large role in preventing dental caries, periodontal disease, gingivitis, etc. as an oral hygiene tool. The toothbrush is formed of a plastic material and is composed of a head portion on which the bristles are planted, and a handle portion that extends to the head portion and allows the user to grip it. At this time, the user grasped the handle part by hand, and the bristles on the head were used to remove foreign substances or tartar by imparting irritation to the tooth surface, interdental, and gums.

In order to maximize the effect of brushing teeth, brushing for 2 to 3 minutes is recommended, and brushing teeth at this recommended time can damage a person's wrist, give fatigue to the arm, and move the head. There was a case in which the control was unstable and the gum or oral cavity was damaged.

In order to eliminate this end and increase the user's convenience, a toothbrush product has been developed that rotates the bristle by rotating the power of the battery or accumulator and the electric motor is applied, converts the rotational force by the electric motor into vibration, or generates ultrasonic vibration. , These products have been effectively used to remove foreign substances in the teeth or mouth through rotation of the bristles or vibration of the bristles.

In the case of a product that generates vibration using an electric motor among products developed in the related art, vibration generated when the eccentric shaft is rotated is transmitted to the head unit using an eccentric shaft connected to the electric motor.

In the case of a toothbrush using such an electric motor, there is a difficulty in brushing the molars when brushing because the handle portion is generally thick. In addition, the switch is usually located on the handle, but there is a problem in that the battery is discharged due to the operation of the switch during transportation or product transportation.

[Advanced Technology] Patent Registration Publication No. 10-1009684

The present invention is to solve the above-mentioned problems, and in an electric toothbrush, an object of the present invention is to provide an electric toothbrush that can easily and conveniently brush the molar portion and has an excellent grip feeling.

In addition, an object of the present invention is to provide an electric toothbrush case that not only prevents damage occurring during transportation of the electric toothbrush, but also makes it easy for a user to carry the electric toothbrush.

An electric toothbrush comprising a motor and a battery, which is an embodiment of the present invention for solving the above-mentioned problem, comprising: a toothbrush body incorporating the motor and the battery; And a bristle installed on one end of the toothbrush body and protruding from a longitudinal virtual line of the toothbrush body.

Here, the toothbrush body may be formed in an equilateral triangle with rounded corners in its horizontal section so as to have an excellent grip feeling.

Here, the main body is provided with a receiving space to house the motor and the battery, the handle is formed with an opening; And a cover covering the opening and having a connection terminal connected to the battery.

In the cover, a connection portion for coupling with the opening is formed on an inner surface, and the connection portion is formed with a first fastening portion having a first size and opposite to the first fastening portion, and a second size different from the first size. By having a second fastening portion having, it is possible to ensure that the cover is coupled to the handle in place.

An electric toothbrush case for storing an electric toothbrush according to another embodiment of the present invention includes: a first cylindrical case surrounding the bristle side of the electric toothbrush; A second case having the same shape as the first case surrounding the handle of the electric toothbrush; And first resistance coupling with the first case, and second resistance coupling with the second case, so that the first case is preferentially separated when the user deploys in both directions while holding the first case and the second case. It may include an intermediate coupling portion.

Here, the first case and the second case are made of a transparent synthetic resin material, and the intermediate coupling portion may be made of an elastic material.

Here, a drying hole for drying the brush head may be formed at an upper end of the first case.

Here, the intermediate coupling portion, the first coupling portion coupled to the first case, the cross-section is D-shaped; A second coupling portion which is coupled to the second case and has a circular cross section; And an intermediate fastening part connecting the first coupling part and the second coupling part, and having an outer diameter larger than that of the first case and the second case.

Here, a plurality of protrusions formed in a long strip shape in the longitudinal direction may be installed on the outer surface of the intermediate coupling portion.

Here, the outer surface of the first coupling portion may be configured to have a first pattern to have a first resistance, and the outer surface of the second coupling portion may be configured to form a pattern to have a second resistance.

Here, the pattern pattern may be a plurality of band-shaped patterns.

Here, the inner diameter of the intermediate fastening portion is larger than the outer diameter of the handle portion of the electric toothbrush, and inside the intermediate fastening portion, a plurality of spiral protrusions for holding the handle portion may be formed.

Here, the spiral protrusion, the clockwise protrusion, a plurality of first spiral protrusions disposed on a first plane; And a plurality of second spiral protrusions protruding counterclockwise and disposed on a second plane different from the first plane.

According to one embodiment of the present invention having the above-described configuration, in the electric toothbrush, the bristles are installed to protrude more than the handle (body) of the toothbrush, so that the user can brush the molar part more conveniently when brushing. .

In addition, according to an embodiment of the present invention, the body portion of the electric toothbrush is manufactured in an equilateral triangle with rounded corners, thereby providing excellent grip.

In addition, according to an embodiment of the present invention, the cover of the electric toothbrush is provided with two fittings of different shapes from each other, so it can be always engaged in place.

According to another embodiment of the present invention, in a toothbrush case with a built-in electric toothbrush, the coupling resistance between coupling parts is configured differently so that the first case on the bristles side is preferentially separated to increase user convenience.

In addition, according to another embodiment of the present invention, by providing a plurality of spiral protrusions protruding on different planes inside the intermediate fastening portion to prevent the battery discharge by holding the handle or preventing the electric toothbrush from being operated during transportation There will be.

1 is a view for explaining an example in which an electric toothbrush and an electric toothbrush case are used together, which is an embodiment of the present invention.
2 is a perspective view of an electric toothbrush according to an embodiment of the present invention.
Figure 3 is a side view of an electric toothbrush that is an embodiment of the present invention.
Figure 4 is a front view of the cover used in the electric toothbrush according to an embodiment of the present invention.
Figure 5 is an exploded perspective view of an electric toothbrush case that is another embodiment of the present invention.
Figure 6 is a perspective view of the intermediate coupling portion of the electric toothbrush case that is another embodiment of the present invention.
7 is a plan view of the intermediate coupling portion of the electric toothbrush case according to another embodiment of the present invention.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings by way of example in which the present invention is not limited, and the same reference numerals are assigned to the same elements in some drawings.

1 is a view for explaining an example in which an electric toothbrush and an electric toothbrush case (B) that is an embodiment of the present invention are used together. 1, the electric toothbrush (A), which is an embodiment of the present invention, may be configured to be inserted and stored in the electric toothbrush case (B). In the electric toothbrush according to the present invention, the bristles 20 are configured to protrude more than the toothbrush body 10 (toothbrush handle) (that is, protrude from the virtual line L of FIG. 3), so that brushing such as a molar or dentition inside is good. Easy brushing is provided.

In addition, the electric toothbrush case (B) constitutes a spiral protrusion on the intermediate fastening portion 130 to prevent the electric toothbrush from operating unnecessarily by preventing an unexpected pressure on the switch during transportation to the switch of the electric toothbrush. Can be solved. In addition, the fastening resistance of the intermediate fastening unit 130 is configured differently for each case, so that when the user wants to pull out the electric toothbrush, only the case 110 toward the bristle 20 portion is separated to increase user convenience. do.

Hereinafter, the electric toothbrush (A) and the electric toothbrush case (B) according to the present invention will be described in detail with reference to FIGS. 2 to 7.

2 is a perspective view of an electric toothbrush that is an embodiment of the present invention, and FIG. 3 is a side view of an electric toothbrush that is an embodiment of the invention shown in FIG. 2.

2 and 3, the electric toothbrush A according to the present invention may be configured to include a toothbrush body 10 and a bristle 20 formed at one end of the toothbrush body 10.

The toothbrush body 10 corresponds to a handle, and an accommodating space is formed inside the motor and battery. The main body has a receiving space for embedding a motor and a battery, and covers a handle 11 having an opening 10-1, an opening 10-1 of the handle 11, and a connection terminal 12 connected to the battery -1) may be formed of a cover 12 is formed. Here, a secondary battery may be used as the battery, and a dry battery may be used. The horizontal cross-section of the toothbrush body 10 (as seen in the drawing) may be configured to improve grip by forming an equilateral triangle with rounded corners. The toothbrush body 10 may be made of a synthetic resin material. On the other hand, when the motor is operated by the power of the battery, vibrations are generated in the toothbrush body 10 and the bristle 20, and these vibrations help to remove food debris, plugs, calculus, etc., between the teeth when brushing. Gives A cover 12 is formed on the back of the toothbrush body 10. When the cover 12 is rotated in one direction, it is automatically opened to expose the receiving space, and accordingly, it is possible to replace the built-in battery. When rotating in the other direction, the cover 12 is again coupled to the toothbrush body 10. The opening of the cover 12 is for replacing the battery, and the configuration and operation thereof will be described in more detail in FIG. 4.

The bristles 20 function to clean the teeth by directly contacting the user's teeth. To this end, a thin and elastic hair is used, and in the present invention, the upper end of the bristle 20 is formed to protrude more than the longitudinal virtual line L of the toothbrush body 10. By being formed in this way, when brushing against the molars, it becomes easy for the bristles 20 to enter inside the molars by the toothbrush body 10.

Hereinafter, the configuration and operation of the cover 12 attached to the toothbrush body 10 of the present invention will be described with reference to FIG. 4.

4A is an exploded perspective view of a cover 12 used in an electric toothbrush according to an embodiment of the present invention, and is a cross-sectional view of the cover of FIG. 4B. As shown in Figure 4, the toothbrush body 10 may be divided into a handle 11 and a toothbrush cover 12, the toothbrush cover 12 is configured to form the back of the toothbrush body 10. The toothbrush cover 12 is formed with an O-ring on the inside as shown, so that it is tightly coupled with the toothbrush body 10. In addition, a connection terminal 12-1 connected to the battery is formed inside the coupling portion.

The connection part 12-2 coupled to the opening 10-1 formed in the cover 12 has a first fastening part 12-21 and a second fastening part 12 facing the first fastening part 12-21. -22). The first fastening part 12-21 and the second fastening part 12-22 are components coupled to the fixing part of the cover 12 formed in the receiving space of the handle 11, respectively, and the first fastening part 12 -21) is a groove formed in a first size, and the second fastening portions 12-22 may be formed in grooves formed in a second size that is different from the first size.

Accordingly, when the user rotates while the cover 12 is inserted into the opening 10-1, the first fastening portion 12-21 is the size corresponding to the first fastening portion 12-21. The cover fixing part (installed in the opening portion 10-1, not shown) is coupled to the first coupling groove (not shown), the second fastening portion (12-22), the second engaging portion (12- 22) is automatically coupled to the second coupling groove (not shown) of the cover fixing portion of a size corresponding to. Accordingly, when engaging with the toothbrush body 10 having an equilateral triangular shape with rounded corners, it is always engaged in place.

Hereinafter, an electric toothbrush case B for storing the aforementioned electric toothbrush will be described in more detail with reference to FIGS. 5 to 7.

5 is an exploded perspective view of an electric toothbrush case (B) that is another embodiment of the present invention. As shown in FIG. 5, the electric toothbrush case B according to another embodiment of the present invention may include a first case 110, a second case 120, and an intermediate fastening part 130.

The first case 110 is formed in a cylindrical shape to cover the bristle 20 side of the electric toothbrush, and the drying hole for drying the bristle 20 by ventilating air and air at the top of the first case 110 111) is formed. The first case 110 may be made of a synthetic resin material of a transparent material as shown. Accordingly, the user can visually observe the state of the brush head 20 from the outside without removing the first case 110.

The second case 120 is formed in the same shape as the first case 110 and has a structure surrounding the handle portion of the electric toothbrush. Also, in the second case 120, a drying hole 121 is formed at one end, similarly to the first case.

The first case 110 and the second case 120 are combined via the intermediate fastening part 130 to form an electric toothbrush case B as a whole. The intermediate fastening part 130 is coupled to the first case 110 and the first resistor, and is fastened to the second case 120 as a second resistance case. Accordingly, when the user grasps and deploys the first case and the second case 120, only the first case 110 is separated, and only the second case 120 is in a state of being coupled with the intermediate fastening part 130. . In this state, when the user pulls out the electric toothbrush, the bristle 20 portion of the electric toothbrush comes out without going through the intermediate fastening portion 130, thereby improving hygiene.

In addition, when the user deploys to both sides while simultaneously holding the second case 120 and the intermediate fastening part 130, only the second case 120 is separated, and in this state, the user rotates the cover 12 The battery of the electric toothbrush will be replaceable.

Hereinafter, the intermediate fastening unit 130 having the above-described function will be described in more detail with reference to FIG. 6.

Figure 6 is a perspective view of the intermediate fastening portion 130 of the electric toothbrush case (B) that is another embodiment of the present invention. As illustrated in FIG. 6, the intermediate fastening portion 130 may include a first coupling portion 131, a second coupling portion 132, and an intermediate coupling portion 133. Unlike the first case 110 and the second case 120, the intermediate fastening part 130 may be made of an opaque material as a synthetic resin material made of an elastic material.

First, the first coupling portion has a D-shaped cross section, and the second coupling portion has a circular cross-section, so that the resistance coupling force of the two is different. Moreover, the surface of the first coupling portion 131 is formed with a pattern (no pattern) as shown, and the surface of the second coupling portion 132 has a stripe pattern (a plurality of stripe patterns). It is formed. Accordingly, the first coupling portion 131 is coupled to the first case 110 with a first resistance, and the second coupling portion 132 is the second case 120 with a second resistance greater than the first resistance. ).

The intermediate coupling portion 133 is formed at a position corresponding to the switch of the electric toothbrush. A plurality of protrusions formed in a long strip shape in the longitudinal direction may be installed on the outer surface of the intermediate coupling portion 133. Accordingly, it is possible to prevent the electric toothbrush case B, which is entirely cylindrical, from rolling.

And while the intermediate coupling portion 133 supports the electric toothbrush, the switch (S: action button) of the electric toothbrush has an internal structure that is prevented from being malfunctioned by being pressed by a normal external impact or pressure. This will be described in more detail with reference to FIG. 7.

7 is a plan view of the intermediate fastening portion 130 of the electric toothbrush case (B) that is another embodiment of the present invention. As shown in Figure 7, the inner diameter of the intermediate fastening portion 130 is formed larger than the outer diameter of the handle portion of the electric toothbrush, it can be configured to be comfortably inserted into the electric toothbrush. However, in the intermediate coupling portion 133 of the intermediate fastening portion 130 according to the present invention, a plurality of spiral protrusions 1331 are formed inside. Here, three spiral protrusions 1331 are formed on the upper side and three on the lower side at 120-degree intervals as shown, respectively (formed horizontally on the first plane and the second plane), and the upper spiral projections 1331-1. And the protruding directions of the spiral projections 1332-2 on the lower side are different.

In other words, the first spiral protrusion 1331-1, that is, the spiral protrusion located on the upper side protrudes in the clockwise first direction as illustrated, and is located on the second spiral protrusion 1331-2, that is, located on the lower side. As shown, the spiral protrusion protrudes in the second direction, which is counterclockwise.

By having the configuration as described above, the intermediate coupling portion 133 and the electric toothbrush have a predetermined interval, and have a structure supported by the spiral protrusion 1331. Therefore, even if pressure is applied from the outside, the protrusions will alleviate this, and other parts except the protrusions will not directly contact the outer surface of the electric toothbrush. Accordingly, the electric toothbrush inserted in the electric toothbrush case B according to the present invention during transportation is prevented from malfunctioning.

According to an embodiment of the present invention having the above-described configuration, in the electric toothbrush, the bristles 20 are installed to protrude more than the handle (body) of the toothbrush, so that the user can brush the molar part more conveniently when brushing. It becomes possible.

In addition, according to an embodiment of the present invention, the body portion of the electric toothbrush is manufactured in an equilateral triangle with rounded corners, thereby providing excellent grip.

In addition, according to an embodiment of the present invention, since the cover of the electric toothbrush has two coupling holes of different shapes, it can be always engaged in place.

According to another embodiment of the present invention, in a toothbrush case with a built-in electric toothbrush, the coupling resistance between coupling parts is configured differently so that the first case on the bristles side is preferentially separated to increase user convenience.

In addition, according to another embodiment of the present invention, by providing a spiral protrusion on the inner diameter of the intermediate fastening portion, it is possible to prevent the battery discharge by preventing the electric toothbrush from being operated during transportation.

The embodiments of the present invention described above and illustrated in the drawings should not be construed as limiting the technical spirit of the present invention. The scope of protection of the present invention is limited only by the matters described in the claims, and a person having ordinary knowledge in the technical field of the present invention can improve and modify the technical spirit of the present invention in various forms. Therefore, such improvements and modifications will fall within the protection scope of the present invention as long as it is apparent to those skilled in the art.

A: Electric toothbrush
10: toothbrush body
20: brush head
B: Electric toothbrush case
110: first case
120: second case
130: intermediate fastening

Claims (13)

An electric toothbrush assembly comprising an electric toothbrush and an electric toothbrush case for storing the electric toothbrush,
The electric toothbrush
A toothbrush body incorporating a motor and a battery; And
It is installed on one end of the toothbrush body, and includes a bristle formed to protrude from the longitudinal virtual line of the toothbrush body,
The electric toothbrush case,
A first cylindrical case surrounding the bristle side of the electric toothbrush;
A second case having the same shape as the first case surrounding the handle portion of the electric toothbrush; And
The first case is coupled to the first resistor, and the second case is coupled to the second resistor so that the first case is preferentially separated when the user deploys in both directions while holding the first case and the second case. Includes fasteners
The intermediate fastening part,
A first coupling part coupled with the first case;
A second coupling part coupled with the second case; And
And an intermediate coupling portion connecting the first coupling portion and the second coupling portion.
The inner diameter of the intermediate coupling portion is larger than the outer diameter of the handle portion of the electric toothbrush,
Inside the intermediate coupling portion, a plurality of spiral protrusions for holding the handle portion is formed, the electric toothbrush assembly.
According to claim 1,
The first coupling portion, the cross-section is D-shaped,
The second coupling portion has a circular cross section,
The intermediate coupling portion has a larger outer diameter than the first case and the second case, the electric toothbrush assembly.
delete According to claim 1,
The spiral projection,
A plurality of first spiral protrusions protruding clockwise and disposed on the first plane; And
An electric toothbrush assembly comprising a plurality of second spiral protrusions, projecting counterclockwise and disposed on a second plane different from the first plane.
An electric toothbrush case for storing an electric toothbrush,
A first cylindrical case surrounding the bristle side of the electric toothbrush;
A second case having the same shape as the first case surrounding the handle of the electric toothbrush; And
The first case is coupled to the first resistor, and the second case is coupled to the second resistor, so that the first case is preferentially separated when the user deploys in both directions while holding the first case and the second case. It includes a fastening part,
The intermediate fastening part,
A first coupling part coupled with the first case;
A second coupling part coupled with the second case; And
It includes an intermediate coupling portion connecting the first coupling portion and the second coupling portion
The inner diameter of the intermediate coupling portion is larger than the outer diameter of the handle portion of the electric toothbrush,
An electric toothbrush case in which a plurality of spiral protrusions for holding the handle portion are formed inside the intermediate coupling portion.
The method of claim 5,
The first case and the second case are made of a transparent synthetic resin material, and the intermediate fastening part is made of an elastic material, an electric toothbrush case.
The method of claim 5,
An electric toothbrush case in which a drying hole for drying the brush head is formed on an upper portion of the first case.
The method of claim 5,
The first coupling portion, the cross-section is D-shaped,
The second coupling portion has a circular cross section,
The intermediate coupling portion has a larger outer diameter than the first case and the second case, the electric toothbrush case.
The method of claim 5,
On the outer surface of the intermediate coupling portion, a plurality of protrusions formed in a long strip shape in the longitudinal direction are installed, the electric toothbrush case.
The method of claim 5,
The outer surface of the first coupling portion is formed of a minstretch pattern to have a first resistance, and the outer surface of the second coupling portion is configured to form a pattern pattern to have a second resistance, an electric toothbrush case.
The method of claim 10,
The patterned pattern is a plurality of band-shaped pattern, the electric toothbrush case.
delete The method of claim 5,
The spiral projection,
A plurality of first spiral protrusions protruding clockwise and disposed on the first plane; And
An electric toothbrush case comprising a plurality of second spiral protrusions projecting counterclockwise and disposed on a second plane different from the first plane.

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