JP2010187997A - Electric artificial tooth brush - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric artificial tooth brush which allows the ends of bristles to reliably abut on a brushed part, regardless of the shape of an artificial tooth, easily removes stain on the artificial tooth in a short time, and prevents the scattering of a cleaning agent toward a circumference from planting parts. <P>SOLUTION: The electric artificial tooth brush includes: a head 7 having first and second planting parts 2, 3 constituted by planting bristle groups in planting base surfaces 9a, 12a; a handle 5 gripped in the circumferential surface; and a neck 6 for connecting the head 7 to the handle 5. The first planting part 2 is configured to be reciprocatively rotatably moved by a first driving mechanism. The planting condition of the first planting part 2 is suitable for allowing the bristles 14 to clean a wide and flat surface, and the planting condition of the second planting part 3 is suitable for allowing the bristles 15 to clean narrow, small, and deep parts. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an electric denture brush that is used for cleaning a denture and in which a flocked portion is electrically driven.

  In general, a hand denture brush is used for cleaning a denture, but a hand toothbrush used for cleaning teeth in the oral cavity is often used as a denture brush. Hereinafter, a general hand toothbrush and a hand denture brush will be described.

  As shown in FIGS. 13 and 14, a general hand toothbrush 101 includes a head portion 102 having a plurality of brushes 102a implanted on one side, a handle portion 103 held by a user, a head portion 102, and a handle. It has a neck portion 104 that connects the portion 103. In such a manual toothbrush 101, the user holds the handle portion 103 and inserts the head portion 102 into the oral cavity, and reciprocates while changing the direction of the head portion 102 in various spaces within the oral cavity. The teeth can be cleaned by exercising. Therefore, the hand toothbrush 101 is designed in consideration of the operability of the head portion 102 in the oral cavity, the head portion 102 is small (the flocking area is small), the neck portion 104 is long, and the handle portion 103 is narrow. The brush 102 a is provided only on one side of the head portion 102. Further, the brush 102a has a length of 7 to 9 mil and is relatively flexible.

  Therefore, if the hand toothbrush 101 is substituted as a denture toothbrush, for example, when cleaning a large flat surface such as the floor of the maxillary denture, the flocking area of the head portion 102 is small, so the cleaning efficiency is poor, Cleaning work takes time and effort. On the other hand, when cleaning a partial denture having a maintenance device (clasp or the like) and having a narrow fine part or a recessed part, the tip of the brush 102a is temporarily not able to reach such a part. However, since the entire brush 102a is flexible, the tip of the hair must be operated while moving the hand at that location, resulting in a problem that cleaning cannot be performed well.

  On the other hand, the manual denture brush cleans the denture outside the oral cavity, and therefore, the dimensions of the head portion can be designed relatively freely. For this reason, as for hand denture brush 105, as shown in FIGS. 15-17, the head part 106 is designed larger than the hand toothbrush 101, for example. A first flocked portion 107 having a large flocked area is provided on one side surface of the head portion 106, and a flocked brush having a smaller flocked area than the first flocked portion 107 is provided on the other side surface. The planted second hair transplantation part 108 is provided.

In such a manual denture brush 105, when cleaning a wide flat surface of the complete denture, the first flocked portion 107 having a large flocking area is used, so that a shorter time than in the case of using a manual toothbrush. Can remove dirt. Further, when cleaning a partial denture having a narrow fine portion or a deepened portion, the tip of the hair is easily applied to the target cleaning site by using the second flocked portion 108 in which a long and hard brush is implanted. And this part can be effectively cleaned.
However, such a manual denture brush 105 cleans the denture by finely moving the hand while holding the handle 109 while holding and fixing the denture, and the work is troublesome. And accompanied by fatigue. For this reason, there is a problem that is not particularly suitable for the elderly.

  For this, it is conceivable to use an electric toothbrush configured to drive the flocked portion with electric power for cleaning the denture. With this electric toothbrush, the user can clean the teeth without moving the hand finely by simply operating the handle so that the flocked portion hits the target cleaning site. For this reason, the labor required for cleaning the teeth can be reduced.

  However, electric toothbrushes are generally designed for the purpose of cleaning the teeth for oral cavity, the head part is designed to be small, and the hair transplantation part that is electrically driven is provided only on one side of the head part. (For example, refer to Patent Document 1). For this reason, when the electric toothbrush having such a configuration is used, it takes time to clean a wide flat portion of a large denture.

  Moreover, in the drive by electric power, since the hair transplantation part moves at high speed compared with manual operation, there exists a problem that the cleaning agent (liquid, paste, powder, solid substance, etc.) attached to the hair transplantation part tends to scatter around. Here, for example, if the head portion is in a state of being inserted into the oral cavity, even if the cleaning agent scatters from the flocked portion, it hits the oral cavity wall, so that the cleaning agent does not scatter further. However, when cleaning a denture, since there is no such barrier, there is a high possibility that the cleaning agent and dirt scattered from the flocked portion will further scatter around the denture and stain the surroundings.

JP 2005-160498 A

  The present invention has been proposed in view of the above-mentioned problems, and the brush tip can be reliably applied to the target cleaning site regardless of the form of the denture, easily and in a short time with little effort. An object of the present invention is to provide an electric denture brush that can remove stains on dentures. Furthermore, another object of the present invention is to provide an electric denture brush that can prevent the cleaning agent and dirt from being scattered from the flocked portion to the surroundings while obtaining the above-described effects.

In order to achieve the above object, the present invention has the following configuration.
The present invention relates to a head portion provided in a place where a plurality of hair transplant portions constituted by a group of brushes planted on a hair transplant base surface, a handle portion for gripping a peripheral surface thereof, the head portion, and the handle An electric denture brush comprising: a neck portion that connects the portions; and a drive mechanism that drives at least one of the flocked portions with electric power, wherein the plurality of flocked portions have different flocking conditions for the brush. It is.
In the present invention, each brush of the flocked portion provided at one location of the head portion is different in direction of the hair tip from each brush of the flocked portion provided at least at any location other than the one location. But it ’s okay.
In the present invention, the flocked portion driven by the driving mechanism may be configured such that only a part of the brush group moves by the operation of the driving mechanism, and the other brush group is stationary.
The present invention may be configured such that the brush group in a stationary state is implanted so as to surround the brush group that moves by the operation of the drive mechanism.

According to the present invention, the head portion has a plurality of flocked portions provided at different locations, and the flocking conditions of the brush of each flocked portion are different from each other. Each part can be effectively cleaned. In addition, since at least one of the flocked parts is driven by a drive mechanism using electric power, when cleaning the denture with the driven flocked part, the user holds the handle part so that the flocked part hits the target cleaning site. It is possible to remove the stain on the denture without moving the hand finely just by grasping it.
For this reason, if each hair transplantation part is made into a flocking condition suitable for, for example, a wide flat surface of a denture, a narrow fine portion or a deepened portion, a denture having a wide flat surface, a narrow fine portion or a deepened portion, respectively. Various types of dentures, such as dentures with wide flat surfaces and narrow fine parts or recessed parts, can be cleaned easily and in a short time with little effort, ensuring attached dirt Can be dropped.

When each brush of the flocked part provided in one place of the head part has a different direction from each brush of the flocked part provided in the other part, cleaning is performed using one flocked part. While performing, it is prevented that each brush of the other flocked portion hits a part of the denture (such as a denture base edge). For this reason, a denture can be easily cleaned using one flocked part, without the other flocked part interfering.
In the flocked portion driven by the drive mechanism, only a part of the brush group is moved by the operation of the drive mechanism, and when the other brush groups are stationary, the cleaning agent is removed from the moving brush group. Even if they are scattered, they are stopped by hitting the stationary brush group, and the cleaning agent is prevented from further scattering around.

  In particular, when the stationary brush group is implanted so as to surround the brush group that moves by the operation of the drive mechanism, the stationary brush group is more effective in scattering the cleaning agent. To stop. As a result, it is possible to more reliably prevent the cleaning agent and dirt scattered from the moving brush group from being scattered around.

It is the side view which looked at 1st Embodiment of the electric denture brush which concerns on this invention from the front. It is the side view which looked at the electric denture brush shown in FIG. 1 from back. It is the side view which looked at the electric toothbrush shown in FIG. 1 from the side. It is the side view which looked at 2nd Embodiment of the electric denture brush which concerns on this invention from the front. It is the side view which looked at the electric denture brush shown in FIG. 4 from back. It is the side view which looked at the electric toothbrush shown in FIG. 4 from the side. It is the side view which looked at 3rd Embodiment of the electric denture brush which concerns on this invention from the front. It is the side view which looked at the electric denture brush shown in FIG. 7 from back. It is the side view which looked at the electric toothbrush shown in FIG. 7 from the side. It is the side view which looked at 3rd Embodiment of the electric denture brush which concerns on this invention from the front. It is the side view which looked at the electric denture brush shown in FIG. 10 from back. It is the side view which looked at the electric toothbrush shown in FIG. 10 from the side. It is the side view which looked at an example of the conventional hand toothbrush from the front. It is the side view which looked at the toothbrush for hands shown in FIG. 13 from the side. It is the side view which looked at an example of the conventional manual denture brush from the front. It is the side view which looked at the denture brush for hands shown in FIG. 15 from back. It is the side view which looked at the denture brush for hands shown in FIG. 15 from the side.

Hereinafter, an electric denture brush to which the present invention is applied will be described in detail with reference to the drawings. Note that the drawings used in the following description may schematically show the characteristic portions in order to facilitate understanding of the features of the present invention, and the shape and dimensional ratio of each component are particularly limited. It is not something.
(First embodiment)
First, a first embodiment of the electric denture brush of the present invention will be described.
FIG. 1 is a side view of the electric denture brush according to the first embodiment viewed from the front, FIG. 2 is a side view of the electric denture brush shown in FIG. 1 viewed from the rear, and FIG. 3 is an electric denture brush shown in FIG. It is the side view which looked at from the horizontal direction. In the following description, it is assumed that the lower side in FIG. 3 is “front” and the upper side is “rear”.
As shown in FIGS. 1 to 3, the electric denture brush 1 </ b> A includes a first flocked portion 2 and a second flocked portion 3, and the first flocked portion 2 is reciprocally rotated by the operation of a drive mechanism. The electric denture brush 1A includes a main body 4 in which a drive mechanism is incorporated. The main body 4 includes a handle portion 5, a neck portion 6 that extends in an axial direction from one end of the handle portion 5, and a head portion 7. have. In general, the neck portion 6 is configured to be removable from the handle portion 5 so that the brush can be replaced. However, the handle portion 5, the neck portion 6 and the head portion 7 are integrally configured. Of course, the structure may be different.

The handle portion 5 is a portion that is gripped by the user, and the shape thereof is not particularly limited. For example, the handle portion 5 has a substantially cylindrical shape. The handle portion 5 includes a drive motor, a first motion conversion mechanism that converts the rotational motion of the drive motor into a reciprocating linear motion in the axial direction of the handle portion 5, and an internal power source that supplies power to the drive motor (both shown in FIG. (Not shown) and the like are arranged in a watertight structure.
As the internal power supply, for example, a secondary battery (battery) such as a nickel cadmium battery, a nickel hydrogen battery, or a lithium ion battery can be mounted. In addition, when a secondary battery is mounted as an internal power supply, the internal power supply can be charged from an external power supply (commercial power supply) via a charger. In this case, it is desirable to use the non-contact charging method in terms of safety and high usability. In addition to the above-described secondary battery, for example, a primary battery (AA or AA dry battery) may be mounted as an internal power supply in a replaceable manner.
An operation button 8 that is pressed by the user is provided on the side surface of the handle portion 5. When the operation button 8 is pressed, a switch provided between the internal power supply and the drive motor operates in conjunction with this, and the connection / disconnection between the internal power supply and the drive motor is switched.

The neck portion 6 is a portion that connects between the handle portion 5 and the head portion 7. The neck portion 6 is elongated and has a slightly tapered shape, and is not limited to a straight shape as shown in FIGS. 1 to 3, and may have a gentle curve shape so as to easily reach a recessed portion. The width or thickness of the neck portion 6 is preferably in the range of 4 to 12 mm, more preferably in the range of 5 to 9 mm in consideration of operability and strength. A shaft (not shown) or the like that transmits the reciprocating linear motion of the first motion conversion mechanism to a second motion conversion mechanism, which will be described later, is disposed inside the neck portion 6. When the neck portion 6 and the handle portion 7 are configured to be exchangeable, an attachment mechanism for detachably attaching the neck portion 6 is provided on the distal end side of the handle portion 5 although illustration is omitted. In addition, a connecting mechanism for connecting to a second motion conversion mechanism built in the neck portion 6 described later is provided at the tip of the shaft.
The head portion 7 includes a casing 9 communicating with the neck portion 6, a first flocked portion 2 rotatably supported on the front side (lower side in FIG. 3) of the casing 9, and the rear side (FIG. 3). And a second flocked portion 3 fixedly provided on the inclined surface 9a on the upper middle side.

The casing 9 only needs to have a shape and size that allows easy cleaning of the denture, and the shape is not particularly limited. In the present embodiment, the casing 9 has a substantially flat cylindrical shape with a large end face on the rear side. The casing 9 is attached to the neck portion 6 so that its cylindrical axis is substantially orthogonal to the axial direction of the neck portion 6.
The casing 9 includes a second motion conversion mechanism (not shown) that converts the reciprocating linear motion transmitted by the shaft into a reciprocating rotational motion. In addition, a shaft hole 11 in which a rotation shaft 10 of the first flocking portion 2 described later is rotatably supported is formed at a substantially center of the front wall portion of the casing 9. In the present embodiment, the first motion conversion mechanism, the shaft, and the second motion conversion mechanism described above constitute a drive mechanism that reciprocally rotates the first flocked portion 2.

The 1st hair transplant part 2 is reciprocatingly rotated by the action | operation of a 2nd motion conversion mechanism.
The first flocked portion 2 has a disk-shaped flocked plate 12 whose one main surface is a first flocked base surface 12a, and a plurality of brushes 14 planted on the first flocked base surface 12a of the flocked plate 12, It has the rotating shaft 10 provided in the main surface (other main surface) 12b on the opposite side to the 1st flocking base surface 12a of the flocking plate 12. As shown in FIG.
The flocking plate 12 is arranged such that the region other than the rotation shaft 10 of the other main surface 12 b is slightly separated from the front end surface 9 b of the casing 9. As for the thickness of this flocking plate 12, about 1-5 mm is preferable, More preferably, it is about 2-3.5 mm.

  The rotation shaft 10 is provided at the approximate center of the other main surface 12 b of the flocking plate 12. The rotation shaft 10 is inserted into the shaft hole 11 of the casing 9 and is rotatably supported. As a result, the first flocked portion 2 is rotatably supported on the front side of the casing 9. The end of the rotating shaft 10 enters the casing 9 and is connected to the second motion conversion mechanism by a pin, a hook, or the like. The rotating shaft 10 is reciprocally rotated by the operation of the second motion conversion mechanism. As a result, the flocking plate 12 reciprocally rotates, and each brush 14 planted on the flocking plate 12 reciprocates and revolves around the center of the flocking plate 12 (rotating shaft 10).

  The rear end surface of the casing 9 has an inclined surface 9a, and a plurality of brushes 15 are planted on the inclined surface 9a. In the present embodiment, the inclined surface 9a on which the plurality of brushes 15 are planted constitutes the second planted base surface 9a, and the brush group planted on the second planted base surface 9a serves as the second planted part 3. Constitute. Here, the second flocked base surface 9a is formed to have a smaller area than the first flocked base surface 12a, and the direction of the tips of the brushes 15 of the second flocked portion 3 is the brushes of the first flocked portion 2. It is a diagonally backward direction with respect to 14 hair end directions.

  While the hair tips of the brushes 14 and 15 are different between the first flocked portion 2 and the second flocked portion 3, while the first flocked portion 2 and 3 are being cleaned, the other flocked portion 2. 3 are prevented from hitting a part of the denture (such as a denture base). For this reason, the dentures can be cleaned smoothly using one of the flocked portions 2 and 3 without the other flocked portions 2 and 3 getting in the way. Here, the relationship between the tip direction of each brush 14 of the first flocked portion 2 and the tip direction of each brush 15 of the second flocked portion 3 is specifically the tip of one of the flocked portions 2 and 3. It is preferable that the hair tip directions of the other flocked portions 2 and 3 with respect to the direction are the back surface direction, the side surface direction, the diagonally forward direction, and the diagonally backward direction. Thereby, the above-mentioned effect can be acquired reliably.

  Next, each brush 14 and 15 of the 1st hair transplant part 2 and the 2nd hair transplant part 3 is demonstrated. In this invention, the brushes 14 and 15 are planted by the 1st hair transplant part 2 and the 2nd hair transplant part 3 on the hair transplant conditions different from the other hair transplant parts 2 and 3, respectively. Here, the flocking conditions of the brushes 14 and 15 are the flocked area, the shape of the brush (longitudinal cross-sectional shape, cross-sectional shape, hair tip shape, etc.), the bristles length and thickness (brush diameter), flocking density (flocking) Number / area), brush planting pattern, bundling shape of bunch of hair, brush planting method, etc. The optimum conditions of these items vary depending on the form of the target cleaning site. Therefore, it is preferable to set the flocking conditions of the brushes 14 and 15 in the flocked portions 2 and 3 according to the intended cleaning site. In the present embodiment, the first flocked portion 2 has a larger flocked area than the second flocked portion 3 and is configured to reciprocate and rotate when driven by electric power. Therefore, the flat surface having a wide denture is cleaned. Since the flocked area is smaller than that of the first flocked portion 2, the second flocked portion 3 is suitable for cleaning narrow and thin portions of dentures and deepened portions. Therefore, here, the brush 14 of each of the flocked portions 2 and 3 assumes that the first flocked portion 2 has a wide flat surface as the object to be cleaned, and the second flocked portion 3 has a narrow and narrow portion or a deepened portion as the object of cleaning. , 15 hair transplantation conditions will be described.

  The materials of the brushes 14 and 15 are not particularly limited. For example, polyamide (eg, 6-10 nylon, 6-12 nylon), polyester (eg, polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate), polyolefin ( Examples include synthetic resin materials such as polypropylene) and elastomers (eg, olefin-based and styrene-based). A plurality of these resin materials may be used in combination. For example, different resin materials may be used for the core and the sheath, such as a core-sheath structure.

  Moreover, as a constituent material of each brush 14, 15, a composite material in which ceramic fibers and abrasives (eg, metal oxide, silica, silicon carbide, etc.) are mixed (kneaded) with these resin materials is used. Also good. Thereby, the cleaning effect with respect to a denture can be improved. However, when the compounding amount of the abrasive in the composite material becomes too large, the harmfulness to the denture (abrasion, scratch, etc.) becomes a problem. That is, dentures are generally composed of resin, metal, ceramic, and the like, and the resins and metals that occupy most of the denture materials are soft and therefore easily worn and easily damaged. If the surface of the denture is rough due to wear or scratches, it becomes easy to get dirty, which may cause unsanitary conditions and cause damage or breakage (breaking, cracking, etc.) of the denture. For this reason, it is necessary to set the material, size, and amount of the abrasive added to the composite material in consideration of these matters.

The vertical cross-sectional shape of each brush 14 and 15 is usually circular, but is not limited to such a shape. For example, an elliptical shape, a triangular shape, a rectangular shape, a hexagonal shape, a star shape, a three-leaf clover shape, The shape may be any shape such as a four-leaf clover shape.
In addition, the cross-sectional shape of each brush 14, 15 is usually a straight line with parallel edges in the longitudinal direction, but is not limited to such a shape, and has a wave shape with regular amplitude and wavelength. It may be. Furthermore, a brush having irregularities on its peripheral surface, for example, a brush that has been subjected to crimping or embossing can be used.

Moreover, the hair-cut shape of each brush 14 and 15 can be made into arbitrary shapes, such as a dome shape and a mountain cut shape other than a general flat cut shape. Among these, in particular, in the case of a flocked portion (first flocked portion 2 in the present embodiment) intended to clean a wide flat surface of the denture, the hair tip shape is a flat cut shape or a gentle dome shape. It is preferable to use a brush. Thereby, the wide flat surface of such a denture can be cleaned efficiently. Moreover, in the case of the hair transplantation part (the 2nd hair transplantation part 3 in this embodiment) aiming at cleaning a narrow site | part and a deep site | part like the base part of the maintenance apparatus with which a partial denture is provided, a hair-cut shape It is preferable to use a chopped mountain shape (one cone shape or the like). Thereby, a brush tip can be easily applied to such a narrow part or a deep part, and cleaning can be performed effectively.
The plurality of brushes 14 and 15 constituting each of the flocked portions 2 and 3 may have the same shape (vertical cross-sectional shape, cross-sectional shape, hair tip shape, etc.), and a plurality of types of brushes having different shapes. May be combined.

  The bristle length of each brush 14 and 15 is preferably 7 to 25 mm, more preferably 10 to 20 mm from each flocked base surface 12a and 9a. Among these, especially in the case of the 1st flocking part 2 aiming at cleaning the flat surface with a large denture, it is preferable that it is 12-15 mm in hair length. Moreover, in the case of the 2nd hair transplant part 3 aiming at cleaning a narrow site | part and a deep site | part like the root part of the maintenance apparatus with which a partial denture is equipped, it is preferable that it is about 20 mm in hair length. Thereby, the hair tip of the brush 15 can be easily applied to such a narrow part or deep part, and cleaning can be performed effectively. Note that the plurality of brushes 14 and 15 constituting each of the flocked portions 2 and 3 may have the same hair length, or may be combined with brushes having different hair lengths. In the present embodiment, in the first flocked portion 2, the brushes 14 have substantially the same hair length, and in the second flocked portion 3, each brush 15 goes to the center of the second flocked base surface 9a, and thus the hair The length is such that the length increases stepwise. Thereby, in the 1st hair transplant part 2, a wide flat surface can be cleaned more efficiently, and in the 2nd hair transplant part 3, a narrow thin part and the recessed part can be cleaned easily and cleanly.

  The thickness (brush diameter) of each brush 14, 15 is preferably 0.15 mm to 0.38 mm, more preferably 0.20 mm to 0.33 mm. Among these, especially in the case of the 1st flocking part 2 aiming at cleaning the flat surface with a wide denture, since the brush 14 needs to be warped, it is 0.15-0.23 mm in thickness. Is preferred. On the other hand, when cleaning a narrow part or deep part, such as the root part of the maintenance device provided in the partial denture, because the firmness is weak if the brush is thin, the tip part of the brush is aimed (to be cleaned) Not reach. Therefore, in the case of the 2nd hair transplant part 3 aiming at cleaning in such a narrow site | part and a deep site | part, it is preferable that it is a thickness of 0.25-0.33 mm. The plurality of brushes 14 and 15 constituting each of the flocked parts 2 and 3 may have the same thickness, but a cleaning site (a flat surface or an uneven surface, a wide surface or a narrow surface, In combination with multiple brushes with different thicknesses, taking into account the effect of cleaning (shallow unevenness, deep unevenness, etc.), cleaning effect, durability, and harmful effects (scratches, wear) on denture materials (resin, metal, ceramic) Also good.

Note that a plurality of bundles of bundling a plurality of brushes 14 and 15 are usually arranged in a concentric circle shape, a lattice shape, and a zigzag shape at predetermined intervals on the first flocked base surface 12a and the second flocked base surface 9a. However, the arrangement and interval of these hair bundles, the combination thereof, and the like are not particularly limited and can be arbitrarily set according to the intended use.
In addition, the hair bundle is usually a bundle of a plurality of brushes 14 and 15 which are bundled in a substantially circular shape, but is not limited to a bundle of substantially circular shapes as described above, and is a substantially polygonal shape such as a substantially triangular shape or a substantially rectangular shape. They may be bundled in a shape, and further, those bundled in a shape having a different major axis and minor axis, such as a substantially elliptical shape, a substantially oval shape, or a substantially rectangular shape, may be used.

  As a method for flocking the brushes 14 and 15, the bristles of the brushes 14 and 15 are folded in half, and a flat line (eg, metal) is sandwiched between the flocked holes provided on the flocked base surfaces 9a and 12a. A flat wire flocking method for fixing, a thermal fusion method in which the lower ends of the brushes 14 and 15 are press-fitted into the molten resin to be the flocked base surfaces 9a and 12a, and the lower ends of the brushes 14 and 15 are heated. After forming the molten mass, an in-mold method or the like in which a molten resin is filled in a metal cavity and molded integrally with the flocked base surfaces 9a and 12a (plate 12) can be used.

  Among these items, the area of flocking, the length and thickness of the brush, and the density of flocking greatly affect the “hardness” of the flocked part, and the thickness of the brush is the main factor that determines the “hardness” of the flocked part. . For this reason, when setting the hair transplantation conditions of the brushes 14 and 15 of the 1st hair transplant part 2 and the 2nd hair transplant part 3, it is preferable to make these items different especially. Thereby, the 1st hair transplantation part 2 and the 2nd hair transplantation part 3 can be made optimal for cleaning the cleaning site | part which each aimed.

  In the electric denture brush 1A as described above, when the operation button 8 is pressed to turn on the electrical connection between the internal power supply and the drive motor, the drive motor rotates, and this rotational motion is the operation of the first motion conversion mechanism. Is converted into a reciprocating linear motion. This reciprocating linear motion is transmitted to the second motion converting mechanism by the shaft, and is converted into a reciprocating rotational motion by the operation of the second motion converting mechanism. As a result, the flocking plate 12 connected to the second motion converting mechanism reciprocally rotates around the rotation shaft 10, and each brush 14 planted on the flocking plate 12 has the center of the flocking plate 12 as the center of revolution. It reciprocates and revolves, that is, the first flocked portion 2 is in a driving state.

  For example, when cleaning a wide flat surface of a denture using such an electric denture brush 1A, the user grasps the handle portion 6 and presses the operation button 8, and the first flocked portion 2 is driven. And the 1st hair transplant part 2 is applied to the target cleaning site. Here, in this electric denture brush 1A, the first flocked portion 2 is in a flocking condition suitable for cleaning a wide flat surface and is reciprocatingly rotated by driving with electric power. A flat surface can be easily and quickly cleaned with little effort. Moreover, when cleaning the narrow and thin part and the back part of the denture, the user presses the operation button 8 to turn off the driving state of the first flocked part 2, and the second flocked part 3 is intended. Move your hand finely while touching the cleaning area. Here, since the 2nd hair transplantation part 3 is made into the hair transplantation conditions suitable for cleaning the narrow thin part and the recessed part, like a root of the maintenance apparatus with which a partial denture is equipped, a narrow fine part and the back The tip of the brush can be easily applied to the site, and such a site can be easily and quickly cleaned.

  Therefore, according to such an electric denture brush 1A, it is possible to use only one "denture with a wide flat surface", "partial denture with a maintenance device and many narrow fine parts", and "widely flat." There are few dentures that have both a smooth surface and a deeply recessed dent, such as a denture with a ridge and a partial denture with a flat surface and a complex maintenance device. It can be cleaned easily and in a short time with effort, and attached dirt can be removed cleanly.

<Second Embodiment>
Next, a second embodiment of the electric denture brush according to the present invention will be described. In the second embodiment, the description of the same configuration as in the first embodiment is omitted.
4 is a side view of the electric denture brush according to the second embodiment of the present invention as seen from the front, FIG. 5 is a side view of the electric denture brush shown in FIG. 4 as seen from the rear, and FIG. It is the side view which looked at the electric denture brush shown from the horizontal direction. Here, the lower part in FIG. 6 will be described as “front” and the upper part as “rear”.

The electric denture brush 1B shown in FIG. 4 to FIG. 6 is configured in such a manner that the second flocked portion 3 and the first flocked portion 2 are reciprocally rotated by the operation of the drive mechanism. The same as the denture brush 1A.
The handle portion 5 has the same shape as that of the first embodiment, and includes therein a drive motor and a first motion conversion mechanism that constitute a first drive mechanism, a drive motor that constitutes a second drive mechanism, and A first motion conversion mechanism, an internal power supply, and the like are arranged.
A first operation button 16 and a second operation button 17 that are pressed by the user are provided on the side surface of the handle portion 5. When the first operation button 16 is pressed, a switch provided between the internal power supply and the drive motor in the second drive mechanism operates in conjunction with this, and connection / disconnection of the internal power supply and the drive motor is performed. Switches. Thereby, the drive / stop of the 2nd hair transplant part 3 by a 2nd drive mechanism switches. When the second operation button 17 is pressed, a switch provided between the internal power supply and the drive motor in the first drive mechanism operates in conjunction with this, and the connection / connection between the internal power supply and the drive motor is performed. Disconnection is switched. Thereby, the drive / stop of the 1st flocking part 2 by a 1st drive mechanism switches. As described above, the driving / stopping of the first hair transplantation part 2 and the second hair transplantation part 3 is configured to be switched by the separate operation buttons 16 and 17, so that the hair transplantation parts 2 and 3 to be used are driven, for example. Then, the flocked portions 2 and 3 that are not used can be stopped, or both flocked portions 2 and 3 can be simultaneously driven. By setting it to the former state, it is possible to suppress energy consumption of the internal power source due to the idle operation of the flocked parts 2 and 3 that are not used. Moreover, when it is desired to change the flocked portions 2 and 3 to be used instantaneously by setting the latter state, the other flocked portions 2 and 3 can be used without a switch operation, which is efficient. Moreover, from the viewpoint of operability, the arrangement of the hair transplantation part to be driven / stopped and the operation buttons may be appropriately arranged.

The head portion 7 is provided on the casing 9, the first flocked portion 2 rotatably supported on the front side (lower side in FIG. 6) of the casing 9, and the inclined surface 9a on the rear side (upper side in FIG. 6). It has the 2nd hair transplant part 3 supported so that rotation was possible.
The casing 9 has the same shape as that of the first embodiment except that the brush is not implanted in the wall portion constituting the inclined surface 9a and the shaft hole 18 is formed instead. The second motion conversion mechanism constituting the first drive mechanism and the second motion conversion mechanism constituting the second drive mechanism are incorporated therein.

The 1st hair transplant part 2 is set as the structure similar to the said 1st Embodiment. The second flocked portion 3 is reciprocally rotated by the operation of the second motion conversion mechanism of the second drive mechanism, and is rotatably supported on the inclined surface 9 a side on the rear side of the casing 9.
The second flocked portion 3 has a disk-shaped flocked plate 19 whose one main surface is a second flocked base surface 19a, and a plurality of brushes 15 planted on the second flocked base surface 19a of the flocked plate 19, It has the rotation axis | shaft 20 provided in the main surface (other main surface) 19b on the opposite side to the 2nd flocking base surface 19a of the flocking plate 19. As shown in FIG. The flocking plate 19 has a smaller diameter than the flocking plate 12 of the first flocking part 2.
The flocking plate 19 is disposed such that the region other than the rotation shaft 20 of the other main surface 19 b is slightly separated from the inclined surface 9 a on the rear side of the casing 9.

The rotation shaft 20 is provided at the approximate center of the other main surface 19 b of the flocking plate 19. The rotation shaft 20 is inserted into the shaft hole 18 of the wall portion constituting the inclined surface 9 a and is rotatably supported. As a result, the second flocked portion 3 is disposed on the inclined surface 9 a side on the rear side of the casing 9. It is rotatably supported. The end of the rotation shaft 20 enters the casing 9 and is connected to the second motion conversion mechanism of the second drive mechanism by a pin, a hook, or the like. The rotating shaft 20 reciprocally rotates by the operation of the second motion conversion mechanism. As a result, the flocking plate 19 reciprocates and revolves, and each brush 15 planted on the flocking plate 19 reciprocates and revolves around the center of the flocking plate 19 (rotating shaft 20).
The flocking conditions of the brush 15 of the second flocking part 2 are the same as in the first embodiment.

In the electric denture brush 1B as described above, the first operation button 16 and the second operation button 17 are pressed and used to rotate the first flocked part 2 or the second flocked part 3. Also in the second embodiment, the same operation and effect as the first embodiment can be obtained.
Moreover, in the electric denture brush 1B of 2nd Embodiment, since the 2nd flocked part 3 also reciprocates by the drive by electric power especially with the 1st flocked part 2, when cleaning a denture using the 2nd flocked part 3 In addition, the user simply holds the handle portion 5 and applies the second hair transplantation portion 3 to the target cleaning portion (narrowly detailed portion or recessed portion), and cleans this portion without moving the hand finely. Can be cleaned. For this reason, the fatigue feeling at the time of cleaning a denture can be reduced more, and the dirt adhering to the narrow fine part and the deep part of a denture can be removed more certainly.

<Third Embodiment>
Next, a third embodiment of the electric denture brush will be described. Note that in the third embodiment, a description of the same configurations as those in the first embodiment and the second embodiment will be omitted.
7 is a side view of the electric denture brush according to the third embodiment of the present invention as seen from the front, FIG. 8 is a side view of the electric denture brush shown in FIG. 7 as seen from the rear, and FIG. It is the side view which looked at the electric denture brush shown from the horizontal direction. In the following description, the lower side in FIG. 9 will be described as “front” and the upper side as “rear”.
The electric denture brush 1C shown in FIGS. 7 to 9 is the same as the electric denture brush 1B of the second embodiment except that the shape of the casing 9 and the arrangement positions of the second flocked portion 3 and the second operation button 17 are different. It is.

In the electric denture brush 1 </ b> C, the second operation button 17 is provided on the side surface of the handle portion 5.
The casing 9 has a substantially flat cylindrical shape in which the front end side of the circumferential surface is enormous. The enormous peripheral surface of the casing has an inclined surface 9c that is inclined so as to become the base end side as it goes forward (in FIG. 9, it becomes the right side as it goes downward), and constitutes this inclined surface 9c. A shaft hole 21 in which a rotation shaft 20 of the second flocked portion 3 described later is rotatably supported is formed in the peripheral wall. The 1st hair transplant part 2 is set as the structure similar to the said 2nd Embodiment, and is arrange | positioned in the same position.

Although the 2nd hair transplant part 3 is set as the structure similar to the said 2nd Embodiment, in this embodiment, it is arrange | positioned by the inclined surface 9c side of a front-end | tip, and the tip direction of each brush 15 of the 2nd hair transplant part 3 Is diagonally forward with respect to the hair tip direction of each brush 14 of the first flocked portion 2.
In the electric denture brush 1C as described above, the first operation button 16 is pressed and used to rotate and drive the second flocking part 3, and the second operation button 17 is pressed and rotated to rotate the first flocking part 2. Drive and use. In the third embodiment, the same operation and effect as in the second embodiment can be obtained.

<Fourth embodiment>
Next, a fourth embodiment of the electric denture brush will be described. Note that in the fourth embodiment, a description of the same configurations as those of the first and second embodiments will be omitted.
10 is a side view of the fourth embodiment of the electric denture brush according to the present invention as seen from the front, FIG. 11 is a side view of the electric denture brush as shown in FIG. 10 as seen from the rear, and FIG. It is the side view which looked at the electric denture brush shown from the horizontal direction. In the following description, the lower part in FIG. 12 will be described as “front” and the upper part as “rear”.

  The electric denture brush 1D shown in FIGS. 10 to 12 is configured such that, in the first bristle portion 2, only the brushes 22 implanted in the inner peripheral region reciprocate and rotate by the operation of the first drive mechanism. The brushes 23 implanted in the outer peripheral region are the same as the electric denture brush 1B of the second embodiment except that the brushes 23 are stationary. In this electric denture brush 1D, the casing 9 is provided with a circular recess 24 in a plan view on the front end surface thereof, and the second embodiment except that the periphery of the recess 24 is an annular peripheral wall 25. The shape is similar to the form. A shaft hole 28 is formed at a substantially center of the bottom 24a of the recess 24 so that a rotation shaft 27 of a drive unit 29 of the first flocking unit 2 described later is rotatably supported.

The first flocking unit 2 includes a driving unit 29 that reciprocally rotates by the operation of the first driving mechanism, and a fixing unit 30 that is disposed so as to surround the driving unit 29.
The drive unit 29 includes a disk-shaped flocking plate 31 whose main surface is a flocking base surface 31 a, a plurality of brushes 22 planted on the flocking base surface 31 a of the flocking plate 31, and a flocking base of the flocking plate 31. The rotary shaft 27 is provided on the main surface (the other main surface) 31b opposite to the surface 31a.
The flocking plate 31 has an outer diameter slightly smaller than the inner diameter of the concave portion 24 of the casing 9, and a region other than the rotation shaft 27 of the other main surface 31 b is slightly smaller than the bottom portion 24 a of the concave portion 24. So as to be spaced apart from each other.

  The rotation shaft 27 is provided at the approximate center of the other main surface 31 b of the flocking plate 31. The rotation shaft 27 is inserted into a shaft hole 28 formed in the bottom 24 a of the recess 24 and is rotatably supported. As a result, the drive unit 29 is rotatable in the recess 24 of the casing 9. It is supported. The end of the rotating shaft 27 enters the casing 9 and is connected to the second motion conversion mechanism of the first drive mechanism by a pin, a hook, or the like. The rotation shaft 27 is reciprocally rotated by the operation of the second motion conversion mechanism. As a result, the flocking plate 31 reciprocates and revolves, and each brush 22 planted on the flocking plate 31 reciprocates and revolves around the center of the flocking plate 31 (rotating shaft 27).

A plurality of brushes 23 are implanted in the peripheral wall portion 25 of the casing 9 so as to surround the drive portion 29. In the present embodiment, the surface 25a of the peripheral wall portion 25 on which the plurality of brushes 23 are planted constitutes a flocking base surface 25a for the fixing portion, and the brush group planted on the flocking base surface 25a is the fixing portion 30. Configure. That is, each brush 23 of the fixed portion 30 is directly provided on the peripheral wall portion 25 of the casing, and is not connected to the second motion conversion mechanism.
The flocking conditions of the drive unit 29 of the first flocking unit 2 and the brushes 22 and 23 of the stationary unit 30 are the same as those of the first flocking unit 2 of the first embodiment.
Moreover, the 2nd hair transplant part is set as the structure similar to the said 2nd Embodiment, and is arrange | positioned in the same position.

In the electric denture brush 1D as described above, when the second operation button 17 is pressed to turn on the electrical connection between the internal power supply of the first drive mechanism and the drive motor, the first drive mechanism is activated. Here, in the 1st hair transplant part 2 of this embodiment, only the drive part 29 is connected with the 2nd motion conversion mechanism, and the fixing | fixed part 30 is directly provided in the casing 9, and is not connected with the 2nd motion conversion mechanism. Thus, when the first drive mechanism is activated, only the drive unit 29 of the first flocking unit 2 reciprocally rotates, and the fixing unit 30 remains stationary. Further, when the first operation button 16 is pressed to turn on the electrical connection between the internal power supply and the drive motor, the second drive mechanism is activated, and the second flocked portion 3 is centered on the rotation shaft 20. And reciprocally rotate.
Also in the fourth embodiment, the same actions and effects as in the second embodiment can be obtained.
In the fourth embodiment, in particular, only the inner peripheral side region (drive unit 29) of the first flocked portion 2 is reciprocally rotated by the operation of the first drive mechanism, and the outer peripheral side region (stationary part 30). ) Is configured to maintain a stationary state, the following effects can be obtained.
That is, since the first flocked portion 2 has a wide flat surface as a cleaning target, the flocked area is set to be relatively larger than that of the second flocked portion 3, but when the flocked area is large, the flocked portion is reciprocally rotated. When this is done, the centrifugal force is stronger at the part farther from the center of rotation (brush on the outer circumference), and the cleaning agent (liquid, paste, powder, solids, etc.) attached to the flocked part and the cleaned dirt are around Easy to scatter.

On the other hand, as in the present embodiment, only the inner peripheral region (movable portion 29) of the first flocked portion 2 is configured to reciprocate by the operation of the first drive mechanism, and the outer peripheral region. When the (stationary part 30) is in a stationary state, even if cleaning agent or dirt scatters from the movable part 29 that is reciprocatingly rotating, it hits the brush 23 of the stationary part 30 provided around it and is stopped, It is prevented from splashing around. Therefore, the first flocked portion 2 can easily clean the denture with a little effort and in a short time, and at that time, it is possible to suppress the surroundings from being contaminated by the cleaning agent and the removed dirt.
As mentioned above, although specific embodiment of the electric denture brush of this invention was described, in each said embodiment, the structure of an electric denture brush is an example, Comprising: It can change suitably in the range which does not deviate from the range of this invention. it can.
For example, in each said embodiment, although the 1st hair transplant part and / or the 2nd hair transplant part are comprised so that a reciprocating rotational motion may be carried out by the action | operation of a drive mechanism, the movement system of these hair transplant parts is rotation of one direction. The movement may be movement, linear reciprocation, vibration, or a combination thereof.

Hereinafter, the effects of the present invention will be made clearer by examples. In addition, this invention is not limited to a following example, In the range which does not deviate from the summary, it can change suitably and can implement.
Example 1
The electric denture brush which had the 1st flocked part and 2nd flocked part shown in FIGS. 1-3, and was comprised so that only the 1st flocked part might be driven with a drive mechanism among these was manufactured. Table 2 shows the flocking conditions for the brushes of the first flocked portion and the second flocked portion.
(Example 2)
The electric denture brush which had the 1st flocked part shown in FIGS. 4-6, and the 2nd flocked part, and was configured so that both of these flocked parts might be driven with a drive mechanism was manufactured. Table 2 shows the flocking conditions for the brushes of the first flocked portion and the second flocked portion.

(Example 3)
The electric denture brush which had the 1st flocked part shown in FIGS. 7-9 and the 2nd flocked part, and was configured so that both of these flocked parts might be driven with a drive mechanism was manufactured. Table 2 shows the flocking conditions for the brushes of the first flocked portion and the second flocked portion.
Example 4
An electric denture brush having the first flocked portion and the second flocked portion shown in FIGS. 10 to 12 and configured such that the movable portion and the second flocked portion of the first flocked portion are driven by the drive mechanism was manufactured. . Table 2 shows the flocking conditions for the brushes of the first flocked portion and the second flocked portion.

(Comparative Example 1)
A hand toothbrush having only one flocked portion was prepared. Table 2 shows the flocking conditions of the brush at the flocked portion.
(Comparative Example 2)
A hand toothbrush having a first flocked portion and a second flocked portion was prepared. Table 2 shows the flocking conditions for the brushes of the first flocked portion and the second flocked portion.
(Comparative Examples 3 and 4)
An electric toothbrush having only one hair transplant portion and configured such that the hair transplant portion is driven by a drive mechanism was prepared. Table 2 shows the flocking conditions of the brush at the flocked portion.
(Comparative Example 5)
An electric denture brush configured to have only one flocked portion and to be driven by a drive mechanism was prepared. Table 2 shows the flocking conditions of the brush at the flocked portion.

[Evaluation]
About the electric denture brush, electric toothbrush, or hand toothbrush of each Example and each comparative example, each of 13 men and women (middle and small size partial denture users, large partial denture users, and complete denture users) A survey on the actual feeling of use and the degree of dirt removal was conducted in the 60's). Note that the number of days used is two days. Table 1 shows the evaluation criteria for these surveys, and Table 2 shows the evaluation results.

  As shown in Table 2, each of the electric denture brushes manufactured in each example can easily reach the cleaning site and remove the stain on the denture easily and in a short time compared to the toothbrushes of each comparative example. it can. In particular, the electric denture brushes of Examples 2 to 4 in which both the first and second flocked parts are driven by the drive mechanism have a better result of removing dirt in the details. Furthermore, in the electric denture brush of Example 4, even when the drive unit is moved at a high speed, the cleaning agent and dirt hardly scatter, and compared with other toothbrushes, the surrounding contamination due to the cleaning agent and the removed dirt is less. It was remarkably suppressed.

DESCRIPTION OF SYMBOLS 1A, 1B, 1C, 1D ... Electric denture brush 2 ... 1st flocking part 3 ... 2nd flocking part 4 ... Main-body part 5 ... Handle part 6 ... Neck part 7 ... Head part 8 ... Operation button 9 ... Casing 9a ... 2nd Flocking base surface (inclined surface) 9b ... front end surface 9c ... inclined surface 10 ... rotating shaft 11 ... shaft hole 12 ... flocking plate 12a ... first flocking base surface 14, 15 ... brush 16 ... first operation button 17 ... second Operation button 18 ... shaft hole 19 ... flocking plate 20 ... rotating shaft 21 ... shaft hole 22,23 ... brush 24 ... recess 24a ... bottom 25 ... peripheral wall 25a ... flocking base for stationary part 27 ... rotating shaft 28 ... shaft Hole 29 ... Driver 30 ... Standing part 31 ... Flocked plate 31a ... Flocked base for movable part.

Claims (4)

Connected between the head portion provided at a place where a plurality of hair transplant portions constituted by brush groups planted on the hair transplant base surface are different, the handle portion gripping the peripheral surface, the head portion and the handle portion And a drive mechanism that drives at least one of the flocked portions with electric power,
The electric denture brush, wherein the plurality of flocked portions have different brush flocking conditions.     Each brush of the flocked portion provided at one location of the head portion is different in direction of the hair tip from each brush of the flocked portion provided at least at any location other than the one location. The electric denture brush according to claim 1.     3. The flocked portion driven by the driving mechanism has only a part of the brush group moved by the operation of the driving mechanism, and the other brush group is in a stationary state. Electric denture brush. The electric denture brush according to claim 3, wherein the brush group in a stationary state is implanted so as to surround the brush group that moves by the operation of the drive mechanism.

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