JP2010179162A - Portable electric toothbrush - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric toothbrush lightweight, compact, making little noise, convenient to carry, excelling in fashionability and having a simple attaching/detaching structure of a toothbrush body. <P>SOLUTION: The electric toothbrush comprises a body 1 having a vibrating transmission rod at the tip of a connection part 11 on one side, formed with a storage part of a dry battery on the other side, including a driving motor in an intermediate region and having an outer cover integrally fitted to the outer peripheral surface; a body cover body 2 surrounding the storage part, with the open side end fitted to the other side of the body; the toothbrush body 4 detachably connected to the vibration transmission rod; and a toothbrush case body 3 surrounding the toothbrush body, with the open side end fitted to one side of the body. The connection part 11 of the body and the toothbrush body 4 have an antibacterial function, and the outer edge shape of the body cover body 2, outer cover 11e and toothbrush case body 3 is octagonal column shape. A decorative part with a replaceable decorative member is formed at the closed side end of the toothbrush case body 3. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

The present invention relates to a vibration-type electric toothbrush that is lightweight, compact, has low noise, and is convenient to carry.

In recent years, awareness of oral hygiene has increased, and it is becoming more common to brush teeth not only at home but also at work and travel destinations. For this reason, toothbrushes are quiet, lightweight and compact, and are required to be fashionable, especially for women and young people, in addition to being convenient to carry. Further, as the toothbrush, an electric toothbrush is suitable because it can perform fine cleaning over the entire tooth, but it is also an important factor that the toothbrush body can be easily attached and detached.

For this reason, various structures with a cap for portable use and a structure in which a replacement toothbrush is securely connected to the main body have been proposed. The electric toothbrush with a cap is disclosed in, for example, Patent Document 1 and Patent Document 2, but since both have a circular or substantially circular columnar shape, there is a problem of rolling during handling, and further. I was not satisfied with the fashionability.

Further, regarding the attachment of the toothbrush body to the main body, the connection structure disclosed in Patent Document 3 and Patent Document 4 is known. The former connects the toothbrush and the main body portion via a locking member, and the latter connects the connection engaging portion in the plug portion of the toothbrush body and the connecting engaging portion in the socket portion of the main body portion. Positioning is performed by fitting the protrusion at the tip of the plug portion and the gap portion of the socket portion. The attachment / detachment of the toothbrush body and the main body as shown in Patent Documents 3 and 4 requires a separate locking member or a positioning means for the connecting engagement portion in addition to the connecting engaging portion. Met. As described above, the connection of Patent Documents 3 and 4 requires an extra locking member, or has a complicated connection structure, which causes a problem in manufacturing cost.

Design Registration No. 884390 Gazette Design Registration No. 1083425 Gazette Japanese Unexamined Patent Publication No. 2005-296515 Special Table 2003-531672

It is an object of the present invention to further improve such an electric toothbrush to provide an electric toothbrush which has quietness, is convenient to carry, is excellent in fashionability, and has a simple attachment / detachment structure of a toothbrush body. do.

In the present invention, one side forms a connecting portion having a vibration transmission rod at the tip, a dry battery storage portion is formed on the other side, a drive motor is built in the intermediate region, and an outer cover is fitted and integrated on the outer peripheral surface thereof. A main body, a main body cover body that surrounds the storage portion and the open side end is fitted to the other side of the main body, a toothbrush body that is detachably connected to the vibration transmission rod, and a toothbrush body that surrounds the toothbrush body. An electric toothbrush including a toothbrush case body whose open side end is fitted to one side of the main body, and the connecting portion of the main body and the toothbrush body have an antibacterial function, and the main body cover body, the said. An electric toothbrush characterized in that the outer edge shape of the outer cover and the toothbrush case body is an octagonal columnar shape, and a decorative portion in which decorative members are freely arranged is formed at the closed end of the toothbrush case body. Is.

Further, in the present invention, in order to further enhance fashionability, the surfaces of the main body cover body, the outer cover and the toothbrush case body are given a color having a metallic luster, and the main body cover body and the toothbrush case body have the same color. It is preferable to make it different from the color of the outer cover.

Further, the connection between the vibration transmission rod and the toothbrush body is formed in the axial direction on the inner wall surface of the space portion of the toothbrush body into which the convex portion formed on the vibration transmission rod and the vibration transmission rod are fitted. It consists of a guide groove consisting of a first recess extending, a second recess extending in a direction orthogonal to the axial direction from the end of the first recess, and a through hole leading to the outer edge at the end of the second recess, via the guide groove. It is preferable to have a structure in which the convex portion is fitted into the through hole.

According to the present invention, the connecting portion of the main body and the toothbrush body have an antibacterial function, and the toothbrush body connected to the main body is covered with the toothbrush case body, so that the adhesion and proliferation of various germs are suppressed. It has excellent oral hygiene and is convenient to carry to work or travel destinations. In addition, since the outer edge has an octagonal columnar shape, it is possible to prevent rolling during handling, and a decorative part such as pearls, natural stones, or artificial jewels can be replaced at the closed side end of the toothbrush case. Is arranged to enhance fashionability. In addition, the entire surface is given a metallic luster color, and if the color is partially different, it can be used as an accent on the appearance to further enhance fashionability.

Further, since the main body and the toothbrush main body can be attached / detached with a small number of engaging members, a simple attachment / detachment operation can be performed and the manufacturing cost can be reduced.

It is a front view which shows one Example of the electric toothbrush in this invention. It is a perspective view which shows the state which the toothbrush case body was removed. It is an enlarged perspective view which shows the state which removed the toothbrush body and the body cover body from the main body. It is an end view which shows the end part of the toothbrush body side on the main body side in an enlarged manner. It is an enlarged explanatory view which shows an example of the decorative part formed in the toothbrush case body.

Examples of the present invention will be described with reference to the drawings.
FIG. 1 is a front view of an electric toothbrush according to the present invention, showing a main body 1, a main body cover body 2, and a toothbrush case body 3. Since these outer edge shapes are octagonal pillars, rolling during handling is prevented. Further, the main body 1, the main body cover body 2 and the toothbrush case body 3 are made of synthetic resin, and the surface thereof is given a metallic luster color, and the main body cover body 2 and the toothbrush case body 3 have the same color, while the main body 1 and the toothbrush case body 3 have the same color. It is possible to further enhance the fashionability by adding a color accent to the main body 1 as a different color. For the color scheme on these members, conventionally well-known surface treatment means such as plating, thin-film deposition, or painting can be adopted. Further, an identification mark such as a logo mark may be printed on the main body cover body 2 or the toothbrush case body 3.

FIG. 2 is a perspective view showing a state in which the toothbrush case body 3 is removed from the electric toothbrush. A toothbrush body 4 is connected to a connecting portion 11 which is one side of the main body 1. The toothbrush case body 3 can be positioned on the main body 1 by surrounding the toothbrush body 4 by fitting the protrusion 11a on the outer edge of the connecting portion 11 into the recess 3a formed in the open side end portion thereof. In the figure, reference numeral 4d indicates an alignment mark formed on the toothbrush body 4.

At the closed side end of the toothbrush case body 3, a decorative portion 3b (see FIG. 5) in which decorative members such as pearls, natural stones, and artificial jewels are freely arranged is formed, and the decorative member is, for example, the lower surface thereof. If the screwed leg material is screwed into the screw hole formed in the toothbrush case body, it can be replaced with various decorative members prepared in advance.

By covering the connecting portion 11 of the main body 1 and the toothbrush body 4 with an antibacterial function and covering the insertion portion into the oral cavity with the toothbrush case body 3, it is possible to suppress the adhesion and proliferation of various germs in this portion. Oral hygiene is maintained. As an antibacterial agent, a silver-based antibacterial agent having a high antibacterial effect is used.

FIG. 3 is an enlarged perspective view showing a state in which the toothbrush body 4 and the main body cover body 2 are removed from the main body 1. One side of the main body 1 is a connecting portion 11 having a vibration transmitting rod 11b at the tip, and a convex portion 11c for ensuring connection with the toothbrush body 4 is formed on the outer peripheral surface of the vibration transmitting rod 11b. .. On the other side of the main body 1, a storage portion 11d of the dry battery 5 as a drive power source is formed. A small drive motor is built in the middle region of the main body 1, and an outer cover 11e having a metallic luster color is fitted and integrated on the outer peripheral surface of the intermediate region. As the drive motor, a weight type or wire brush type small motor is preferable from the viewpoint of portability and quietness.

Further, on the outer edge of the connecting portion 11, a protrusion 11a that fits with the recess 3a of the toothbrush case body 3 is formed, and on the other side of the outer cover 11e, a recess formed on the inner surface of the open side end portion of the main body cover body 2 (FIG. The protrusions 11f that fit with (not shown) are formed respectively. Further, an O-ring (not shown) is arranged on the other side of the outer cover 11e, and the main body cover body 2 is fitted and integrated with the main body 1 via the O-ring, so that the waterproof property inside the main body is excellent. There is.

Reference numeral 6 indicates an operation switch, and has a structure in which the switch is repeatedly turned on and off by repeated pressing operations. Although not shown, the operation switch 6 is not shown when the main body cover body 2 is connected to the main body 1, but the main body together with the thin film film covering the through holes from the through holes formed at the non-open side end of the main body cover body 2. It is in a state of slightly protruding to the outside of the cover body 2. In the figure, reference numeral 11g indicates an alignment mark formed on the connecting portion 11.

FIG. 4 is an enlarged end view showing an end portion of the toothbrush body 4 on the main body side. A space portion 4a for fitting the vibration transmission rod 11b is provided at the end of the toothbrush body 4, and a first concave portion in the axial direction that allows the protrusion 11c of the vibration transmission rod 11b to be fitted on the inner wall surface thereof. A guide groove 4b composed of a second recess 4b-2 in a direction orthogonal to the axial direction from the end of the 4b-1 and the first recess 4b-1 and a through hole 4c leading to the outer edge at the end of the second recess 4b-2. It is formed and has a structure in which the convex portion 11c of the vibration transmission rod 11b is fitted into the through hole 4c via the guide groove 4b. Here, since the groove depth near the end of the second concave portion is designed to be slightly shallower than the protruding length of the convex portion 11c, the convex portion 11c can be fitted and engaged with the through hole 4c.

Therefore, when attaching the toothbrush body 4 to the main body 1, the toothbrush body 4 and the main body 1 are first moved relative to each other in the axial direction (the direction perpendicular to the paper surface in FIG. 4), and then in the direction orthogonal to the axial direction (clockwise in FIG. 4). By moving relative to the direction), the alignment mark 4d of the toothbrush body 4 and the alignment mark 11g of the connecting portion 11 are aligned, while when removing the toothbrush body 4, the toothbrush body 4 and the main body 1 are first orthogonal to the axial direction. This can be achieved by moving it relative to the axis and then moving it relative to the axial direction. The positioning of the toothbrush body 4 with respect to the main body 1 (the state where the alignment mark 4d and 11g are matched) is the direction orthogonal to the axial direction due to the engagement between the convex portion 11c and the second concave portion 4b-2 in the axial direction. Then, it is fixed by the engagement between the convex portion 11c and the through hole 4c. The relative movement of the convex portion 11c in the second concave portion 4b-2 is made possible by the elastic deformation of these constituent materials.

1 Main body 2 Main body cover body 3 Toothbrush case body 4 Toothbrush body 5 Dry battery 6 Operation switch 3a Recess 3b Decorative part 4a Space part 4b Guide groove 4c Through hole 4d Alignment mark 11 Connection part 11a Protrusion 11b Vibration transmission 杆 11c Convex part Part 11e External cover 11f Protrusion 11g Alignment mark

The present invention relates to a vibration-type portable electric toothbrush that is lightweight, compact, has low noise, and is convenient to carry.

It is an object of the present invention to further improve such an electric toothbrush to provide a portable electric toothbrush which has quietness, is convenient to carry, is excellent in fashionability, and has a simple attachment / detachment structure of a toothbrush body. And.

The portable electric toothbrush of the present invention is a portable electric toothbrush in which a main body cover body and a toothbrush case body are unevenly fitted to a main body, and one side of the main body has a vibration transmission rod at the tip. A convex portion for ensuring connection with the toothbrush body is formed on the outer peripheral surface of the vibration transmission rod without a connecting portion, and a storage portion for a dry battery as a drive power source is formed on the other side of the main body. Further , a small drive motor is built in the middle region of the main body, and an outer cover is fitted and integrated on the outer peripheral surface of the middle region, and the connecting portion on one side of the outer cover is fitted and integrated. The toothbrush case body is connected to the outer edge of the toothbrush case by uneven fitting, and the inner surface of the open side end portion of the main body cover body is connected to the other side of the outer cover by uneven fitting. An O-ring is arranged on the other side of the outer cover, the main body cover body is waterproof-fitted to the main body via the O-ring, and the vibration transmission is further applied to the end portion of the toothbrush body. A space for fitting the rod is provided, and the inner wall surface thereof is orthogonal to the axial direction from the end of the first concave portion in the axial direction and the end of the first concave portion, which allows the convex portion of the vibration transmission rod to be fitted. A guide groove formed of a second recess in the direction and a through hole leading to the outer edge are formed at the end of the second recess, and the convex portion of the vibration transmission rod is fitted into the through hole via the guide groove. It is characterized by having a structure that allows it to be made .

Further, the portable electric toothbrush of the present invention is characterized in that the outer edge shape of the main body cover body, the outer cover and the toothbrush case body is an octagonal columnar shape .

Further, the portable electric toothbrush of the present invention is characterized in that the main body cover body and the toothbrush case body have the same color and are different from the color of the outer cover. Further, the portable electric toothbrush of the present invention is characterized in that the connecting portion of the main body and the toothbrush body have an antibacterial function .

It is a front view which shows one Example of the portable electric toothbrush in this invention. It is a perspective view which shows the state which the toothbrush case body was removed. It is an enlarged perspective view which shows the state which removed the toothbrush body and the body cover body from the main body. It is an end view which shows the end part of the toothbrush body side on the main body side in an enlarged manner. It is an enlarged explanatory view which shows an example of the decorative part formed in the toothbrush case body.

Examples of the present invention will be described with reference to the drawings.
FIG. 1 is a front view of a portable electric toothbrush according to the present invention, showing a main body 1, a main body cover body 2, and a toothbrush case body 3. Since these outer edge shapes are octagonal pillars, rolling during handling is prevented. Further, the main body 1, the main body cover body 2 and the toothbrush case body 3 are made of synthetic resin, and the surface thereof is given a metallic luster color, and the main body cover body 2 and the toothbrush case body 3 have the same color, while the main body 1 and the toothbrush case body 3 have the same color. It is possible to further enhance the fashionability by adding a color accent to the main body 1 as a different color. For the color scheme on these members, conventionally well-known surface treatment means such as plating, thin-film deposition, or painting can be adopted. Further, an identification mark such as a logo mark may be printed on the main body cover body 2 or the toothbrush case body 3.

FIG. 2 is a perspective view showing a state in which the toothbrush case body 3 is removed from the portable electric toothbrush. A toothbrush body 4 is connected to a connecting portion 11 which is one side of the main body 1. The toothbrush case body 3 can be positioned on the main body 1 by surrounding the toothbrush body 4 by fitting the protrusion 11a on the outer edge of the connecting portion 11 into the recess 3a formed in the open side end portion thereof. In the figure, reference numeral 4d indicates an alignment mark formed on the toothbrush body 4.

Claims (3)

  A main body in which one side forms a connecting part having a vibration transmission rod at the tip, a storage part for a dry battery is formed on the other side, a drive motor is built in an intermediate region, and an outer cover is fitted and integrated on the outer peripheral surface thereof; A main body cover body that surrounds the storage portion and has an open side end fitted to the other side of the main body, a toothbrush body that is detachably connected to the vibration transmission rod, and an open side end that surrounds the toothbrush body An electric toothbrush comprising a toothbrush case body fitted to one side of the main body, the connecting portion of the main body and the toothbrush body having an antibacterial function, the main body cover body, the outer cover, and the An electric toothbrush characterized in that an outer edge shape of the toothbrush case body is an octagonal columnar shape, and a decoration portion is formed at the closing side end portion of the toothbrush case body so that a decoration member can be replaced.   The surfaces of the main body cover body, the outer cover, and the toothbrush case body are colored with a metallic luster, and the main body cover body and the toothbrush case body have the same color and are different from the color of the outer cover. The electric toothbrush according to claim 1, wherein   The connection between the vibration transmission rod and the toothbrush body includes a convex portion formed on the vibration transmission rod and an axially extending first formed on the inner wall surface of the space portion of the toothbrush body to which the vibration transmission rod is fitted. 1 recess and a guide groove comprising a second recess extending in the direction orthogonal to the axial direction from the end of the first recess, and a through hole communicating with the outer edge at the end of the second recess, and through the guide groove The electric toothbrush according to claim 1, wherein the electric toothbrush has a structure in which a convex portion is fitted into the through hole.

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