KR20170039980A

KR20170039980A - Rotational Toothbrush

Info

Publication number: KR20170039980A
Application number: KR1020150139252A
Authority: KR
Inventors: 조용상
Original assignee: 조용상
Priority date: 2015-10-02
Filing date: 2015-10-02
Publication date: 2017-04-12

Abstract

The present invention relates to a rotary toothbrush capable of changing a direction of toothbrush bristle. According to the present invention, the rotary toothbrush comprises: a toothbrush upper body provided with toothbrush bristle on one side thereof; a toothbrush lower body having one side coupled to a joint shaft provided on the other side of the toothbrush upper body, and supporting the toothbrush upper body; and a toothbrush controller provided on a portion where the toothbrush upper body and the toothbrush lower body are coupled to each other, and controlling that the toothbrush upper body can be rotated with respect to a central shaft of the toothbrush lower body within a certain angle range. The joint shaft is formed with a rotary groove such that the toothbrush upper body can be rotated with respect to the central shaft of the toothbrush lower body by the toothbrush controller, and the one side of the toothbrush lower body is formed with a rotary guide groove such that the toothbrush upper body can be rotated by the toothbrush controller. Also, the toothbrush controller is formed with a control load for rotating the toothbrush upper body with respect to the toothbrush lower body by moving a position within the rotary groove and the rotary guide groove, thereby enhancing convenience of brushing, protecting a hand and a wrist which hold the toothbrush, and helping to promote dental health.

Description

Rotational Toothbrush < RTI ID = 0.0 >

The present invention relates to a toothbrush for use in health care of a tooth, and more particularly, to solve the inconvenience that the wrist is to be moved when the direction of the bristles is varied in order to uniformly brush the teeth while brushing the teeth, In order to easily switch the direction of the toothbrush.

Interest in dental health, one of the oddballs, has been increasing since ancient times. Accordingly, various problems have been raised in order to improve the convenience of use of the toothbrush as a tool for maintaining dental health, and various techniques have been developed and proposed to solve these problems.

The toothbrush generally has a handle portion and a toothbrush head portion provided with bristles, which are integrally formed. In addition to such toothbrushes, some electric toothbrushes have been proposed and many techniques have been proposed and used to replace the head portion of a powered toothbrush.

However, the electric toothbrush capable of replacing the headers can be replaced and used only when the brush is damaged or worn, and is somewhat distant from the convenience in brushing. When toothbrush is used for brushing teeth, it is sometimes necessary to brush the upper molar and the lower molar. When the user attempts to brush the lower molar or upper molar teeth while brushing the upper molar or the lower molar and turning the direction, it may cause excessive bending of the wrist in order to change the direction of the bristles or inconvenience, such as brushing the toothbrush again .

Among the conventional techniques for solving the inconvenience in the brushing process are Korean Patent Laid-Open No. 10-2012-0100061 entitled " Toothbrush, hereinafter referred to as Prior Art 1 ".

According to this prior art 1, a technique is disclosed in which the toothbrush header portion and the handle portion can be detached and rotated.

However, according to the prior art 1, the angle can not be adjusted during brushing, although it may be possible to adjust the angle to some extent before fitting the header part to the handle or before starting brushing. therefore. In order to change the direction of the bristles, the inconvenience of excessive bending of the wrist or brushing and brushing the toothbrush was not solved and remained.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems of the prior art. In order to solve the inconvenience of bending the wrist when various directions of the bristles are changed in order to clean the bristles while brushing the teeth, So that the rotation of the toothbrush can be easily switched.

According to an aspect of the present invention, there is provided a rotating toothbrush comprising: a toothbrush body having bristles on one side; A lower toothbrush body coupled to the joint shaft provided at the other side of the toothbrush body at one side and supporting the toothbrush body; And a toothbrush controller which is provided at a portion where the toothbrush body and the toothbrush body are coupled and controls the rotation of the toothbrush body with respect to the central axis of the toothbrush body within a predetermined angle range with respect to the lower body of the toothbrush Wherein the rotary shaft is formed in the joint shaft so as to rotate the toothbrush body with respect to the center axis of the lower body of the toothbrush by the toothbrush controller, and the toothbrush body is rotated by the toothbrush controller on one side of the lower body of the toothbrush, And a control rod for rotating the toothbrush body with respect to the lower body of the toothbrush is formed in the toothbrush controller by moving the rotary groove and the rotary guide groove, It can also be a feature.

Another feature of the present invention is that a joint anchor is provided on the other side of the joint shaft connected to the toothbrush body on one side so as to be engaged with one end of the lower body of the toothbrush so that the toothbrush body rotates with respect to the lower body of the toothbrush have.

Further, a joint room in which one side is opened as a space in which the joint shaft is housed is formed at one end of the lower body of the toothbrush, and an anchor room, which is a space in which the joint anchor is installed, is formed on the other side of the joint room, And an anchor insertion hole for communicating the joint room and the anchor room is formed between the joint room and the anchor room and the joint anchor can be rotated with respect to the center axis of the lower body of the toothbrush It may be another feature.

Further, the joint anchor includes: an anchor shaft serving as a central axis of the joint anchor; And a plurality of anchor wings spaced at one end from the anchor shaft and the other end coupled to the anchor shaft; Wherein one end of the anchor wing is closer to the anchor shaft side when the joint anchor is inserted into the anchor insertion hole, and when one end of the anchor wing passes through the anchor insertion hole, And the other end is spaced apart from the anchor shaft and is spaced apart from a radius of the anchor insertion hole.

Here, the rotation groove may be formed within a predetermined interval on the outer circumferential surface of the joint shaft so that the toothbrush body can be rotated within a predetermined rotation angle range.

The rotation groove may be formed such that an angle formed by one end of the rotation groove with respect to the center axis of the joint shaft is 180 degrees or less.

Here, the rotation guide groove may be formed to be straight by a predetermined length in a direction parallel to the central axis of the lower body of the toothbrush.

Here, the one or the other end of the rotation guide groove may have a holding groove for holding the toothbrush so that the toothbrush body is no longer rotated.

Here, at least a part of the outer peripheral surface of the toothbrush controller may have another feature that the surface is formed so as not to slip when the finger is touched.

A spring provided within the lower body of the toothbrush and providing an elastic restoring force such that the toothbrush controller displaced to the other side of the lower body of the toothbrush is retracted to one side; May be further included.

Further, a spring room is provided inside the lower body of the toothbrush to provide a space in which the spring is provided, and one end of the spring located in the spring room is connected to a spring provided at one side of the lower body of the toothbrush in the spring room. And the other end of the spring is fastened to a return rod formed by a predetermined length from the toothbrush controller to the spring chamber side so that the return rod of the toothbrush controller moved to the other side of the lower body of the toothbrush, And the toothbrush controller is moved to one side of the lower body of the toothbrush by pulling it by an elastic restoring force.

Further, a portion of the inner side surface of the other end of the toothbrush body and a portion of the outer circumferential surface of the lower body of the toothbrush are formed to have concavities and convexities corresponding to each other, and are engaged with each other. The toothbrush body is coupled to the center axis of the toothbrush body, It may be another feature.

The rotating toothbrush according to the present invention can change the direction of the bristles without wiping the upper or lower teeth while brushing or wiping the upper or lower teeth and gripping the toothbrush so as to wipe the corresponding toothbrushes. The inconvenience of bending the wrist or fixing the toothbrush again is solved, thereby improving the convenience of brushing in brushing teeth, protecting the hands and wrists holding the toothbrush, and helping to improve dental health.

1 is a schematic side view of a rotating toothbrush in accordance with an embodiment of the present invention.
2 is a schematic view illustrating a coupling structure of a toothbrush body and a lower body of a toothbrush in a rotating toothbrush according to an embodiment of the present invention.
Figures 3 and 4 are schematic views of a joint shaft portion of a rotating toothbrush in accordance with an embodiment of the present invention.
5 is a perspective view schematically showing one end portion of a lower body of a toothbrush of a rotating toothbrush according to an embodiment of the present invention.
6 is a plan view schematically illustrating a holding groove, a rotation groove, and a control rod in a rotating toothbrush according to an embodiment of the present invention.
7 is a partial cross-sectional view schematically illustrating a partial cross-section of a rotating toothbrush in accordance with an embodiment of the present invention.
8 is a partial perspective view schematically illustrating a lower portion of a toothbrush of a rotating toothbrush in accordance with an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a side view schematically illustrating a rotating toothbrush according to an embodiment of the present invention. FIG. 2 is a schematic view illustrating a coupling structure of a toothbrush body and a toothbrush body in a rotating toothbrush according to an embodiment of the present invention. FIG. 4 is a schematic view of a joint shaft portion of a rotating toothbrush according to an embodiment of the present invention, FIG. 5 is a perspective view schematically showing one end portion of a lower body of a toothbrush of a rotating toothbrush according to an embodiment of the present invention, 6 is a plan view schematically illustrating a holding groove, a rotary groove, and a control rod in a rotating toothbrush according to an embodiment of the present invention.

1 to 8, one side is understood as a left side based on a state shown in the drawing, and the other side is referred to as a left side based on a state shown in the drawing, The description of the embodiments of the present invention may be more easily understood.

1 to 6, a rotating toothbrush 10 according to an embodiment of the present invention includes a toothbrush body 100, a toothbrush body 300, and a toothbrush controller 200.

As shown in FIG. 1, the toothbrush body 100 of the rotating toothbrush 10 is provided with bristles 111 at one side thereof. A toothbrush controller 200 and a toothbrush lower body 300 are positioned on the other side of the toothbrush body 100. The toothbrush body 300 serves as a handle of the rotary toothbrush 10.

The user of the rotating toothbrush 10 grasps the lower body 300 of the toothbrush so that the bristles 111 provided on one side of the toothbrush body 100 rub the user's teeth 1 and brush them, The toothbrush body 100 is rotated by pulling the toothbrush controller 200 with the thumb or the like (that is, when the toothbrush controller 200 is moved toward the lower body 300 of the toothbrush body) So that it is possible to clean the tooth on the opposite side.

That is, as shown in FIG. 1 (a), when the lower portion of the upper teeth is wiped with the bristles 111 and the toothbrush controller 200 is pulled as shown in FIG. 1 (b), the toothbrush body 100 is rotated So that the direction in which the bristles 111 are directed toward the upper portion of the lower teeth is performed, and the user can easily brush the teeth.

In this rotating toothbrush 10, the lower body 300 of the toothbrush body is coupled to the joint shaft 120 provided at the other side of the toothbrush body 100 to support the toothbrush body 100.

1, the toothbrush controller 200 is provided at a portion where the toothbrush body 100 and the toothbrush body 300 are coupled to each other, and the toothbrush body 100 is positioned within a predetermined angular range To rotate about the center axis of the lower body 300 of the toothbrush.

2, the joint shaft 120 and the joint anchor 130 are provided in the toothbrush body 100 of the rotary toothbrush 10 at the other side (toward the lower body 300 of the toothbrush body). That is, the toothbrush body 100 is connected to one side of the joint shaft 120. A joint anchor 130 is provided on the other side of the joint shaft 120. The joint anchor 130 is provided so that the toothbrush body 100 can rotate with respect to the lower body 300 of the toothbrush.

The joint shaft 120 preferably has a cylindrical shape with a circular longitudinal section with respect to the central axis as shown in Fig. The joint shaft 120 is provided with a rotation groove 140 to allow the toothbrush body 100 to rotate within a predetermined angle range with respect to the center axis of the lower toothbrush body 300 by the toothbrush controller 200 desirable.

Here, the rotation grooves 140 may be formed in various shapes as shown in Figs. 3 to 4. FIGS. 3 (b) and 3 (c) show the cylindrical joint shaft 120 as flat as shown in FIG. 3 (a) to facilitate understanding.

In the state shown in FIGS. 3 (b) and 3 (c), it can be seen that the rotation grooves 141 and 143 are long from the upper left to the lower right. The rotation groove 141 may be formed in a straight shape as shown in FIG. 3 (b), or a rotation groove 143 having a curved shape as shown in FIG. 3 (c) may be formed.

Here, it is preferable that the direction in which the rotation grooves 141 and 143 are long from the left upper end to the right lower end is formed in consideration of a right-handed or left-handed diagonal of the user who uses the rotary toothbrush 10.

3, when the rotation grooves 141 and 143 are formed from the left upper end to the right lower end, the control rod 240 of the toothbrush controller 200 described later moves in the right direction in the rotation groove 140 The direction in which the toothbrush body 100 is rotated is rotated as the upper side rotates with reference to the state shown in Fig.

Conversely, when the control rod 240 of the toothbrush controller 200 moves in the left direction in the rotary groove 140, the direction in which the toothbrush body 100 rotates is rotated downward with reference to the state shown in FIG. It turns like this.

FIGS. 4 (e) and 4 (f) show a cylindrical joint shaft 120 as shown in FIG. 4 (d) spread in a plane to facilitate understanding.

4, it is also possible to sufficiently form the rotation grooves 145, 147 and 149 extending from the lower left end to the upper right end as shown in FIG. In this case, when the control rod 240 of the toothbrush controller 200 moves to the left in the rotary grooves 145, 147, and 149, the toothbrush body 100 rotates upward with reference to the state shown in FIG. .

When the control rod 240 of the toothbrush controller 200 moves to the right in the rotation grooves 145, 147 and 149 with the same logic, the toothbrush body 100 rotates downward with reference to the state shown in FIG. It turns like this.

3 or FIG. 4, the rotation groove 140 can be formed in accordance with the direction in which the toothbrush body 100 is rotated when the toothbrush controller 200 is pulled or pushed.

The curvature of the rotation groove 140 is determined by how much the rotation of the control rod 240 of the toothbrush controller 200 when the toothbrush controller 200 is pushed or pulled (more precisely, Size).

It is preferable that the rotary groove 140 is formed within a predetermined interval on the outer circumferential surface of the joint shaft 120 so that the toothbrush body 100 can be rotated within a predetermined rotation angle range in the rotary toothbrush 10.

More specifically, it is preferable that the rotation groove 140 is formed such that the angle formed by one end and the other end of the rotation groove 140 with respect to the center axis of the joint shaft 120 is 180 degrees or less. In this case, since the direction of the bristles of the toothbrush body 100 is changed within 180 degrees, it is preferable because it is possible to prevent the inconvenience that may be caused by unnecessarily rotating the brush bristles.

The positional difference of the joint shaft 120 in the circumferential direction from the one end to the other end of the rotation groove 140 with respect to the circumferential length L of the joint shaft 120 as shown in FIGS. Is smaller than L / 2 which is half the length (L).

Even when the rotary groove 140 is formed with the peripheral length of the joint shaft 120 as a reference, the range of the rotation angle at which the toothbrush body 100 can rotate is 180 degrees or less.

Next, the joint anchor 130 will be described.

The joint anchor 130 includes a plurality of anchor wings 136 and an anchor shaft 135. Here, the anchor shaft 135 is the central axis of the joint anchor 130. 2 to 4, one end of the anchor wing 136 is spaced apart from the anchor shaft 135, and the other end of the anchor wing 136 is engaged with the anchor shaft 135. It is preferable that the anchor wing 136 is coupled to the anchor shaft 135 although only one anchor wing 136 may be provided on the anchor shaft 135.

The joint anchor 130 is inserted into the anchor insertion hole 335 so that one end of the anchor wing 136 comes close to the anchor shaft 135 side. When one end of the anchor wing 136 passes through the anchor insertion hole 335, one end of the anchor wing 136 is connected to the anchor shaft 135 by the elastic force, as shown in FIG. 2 (b) And is spaced apart from the anchor insertion hole 335 by a greater distance than the radius of the anchor insertion hole 335. [

As described above, when the toothbrush body 100 is provided with the joint anchor 130, it is advantageous that the manufacturing process for coupling the toothbrush body 100 to the lower body of the toothbrush becomes convenient. That is, when the joint anchor 130 is pushed into one side of the lower body of the toothbrush, the toothbrush body 100 and the toothbrush 100 are formed as shown in FIG. 2 (a) The lower body 300 is coupled and the anchor wing 136 of the joint anchor 130 is larger than the anchor insertion hole 335 of the lower body of the toothbrush.

Next, the lower body 300 of the toothbrush will be described.

As briefly mentioned above, the lower body 300 of the toothbrush serves as a handle of the rotating toothbrush 10 and supports the toothbrush body 100.

A rotation guide groove 340 is formed at one side of the lower body 300 of the toothbrush so that the toothbrush body 100 can be rotated by the toothbrush controller 200. 2 (b) and 2 (c), the rotation guide groove 340 is preferably located on the upper side (or the outer side direction) of the rotation groove 140 described above . It is preferable that the control rod 240 of the toothbrush controller 200 to be described later is coupled through the rotation guide groove 340 and through the rotation groove 140 or the rotation groove 140.

As shown in FIG. 2, the rotation guide groove 340 may be formed to have a predetermined length parallel to the center axis direction of the lower toothbrush body 300.

The control rod 240 moves in the rotation groove 140 while the control rod 240 moves along the rotation guide groove 340 formed in the vertical direction. The joint shaft 120 that receives the force to move the position from the control rod 240 through the rotation groove 140 is not fixedly coupled to the lower body 300 of the toothbrush but may be fixed to the center axis of the lower body 300 of the toothbrush And is rotatably coupled. Therefore, since the rotation groove 140 is not formed like the rotation guide groove 340 but is formed as described above, the control rod 240 is moved by the force to move the position in the rotation groove 140, Is rotated.

5 and 6, the one or the other end of the rotation guide groove 340 is provided with holding grooves 342 and 343 for holding the toothbrush body 100 so that the toothbrush body 100 is no longer rotated .

In the absence of a holding groove, there may be the inconvenience that the user must continue to hold the force to keep the toothbrush controller 200 pushed or pulled continuously with the thumb or the like. Therefore, when the control rod 240 is positioned in the holding grooves 342 and 343 through the rotation groove 140, the holding grooves 342 and 343 are provided at one or both ends of the rotation guide groove 340, You do not have to give up your strength. The control rod 240 is seated in the holding grooves 342 and 343 by slightly rotating the toothbrush controller 200 so that the control rod 240 is positioned in the holding grooves 342 and 343 so that the toothbrush body 100 It is preferable to keep the rotated state as it is.

It is further preferable that the holding grooves 342 and 343 are provided at both ends of the rotation guide groove 340 as shown in FIGS. 5 and 6.

Referring to FIG. 6, the rotation grooves 140 are formed in a curved shape in a direction in which the rotation grooves 140 are offset with respect to the rotation guide grooves 340. Since the control rod 240 moves in the rotation section R and moves in the rotation groove 140 and the rotation guide groove 340 so that the control rod 240 moves in the rotation section R, The joint shaft 120 and the toothbrush body 100 are rotated by a predetermined angle. The size of the angle of rotation is determined according to the curvature of the rotation groove 140 or the magnitude of the angle of the rotation guide groove 340 and the rotation groove 140, as described above.

When the control rod 240 is moved to the holding section H, since the holding grooves 342 and 343 are connected to the rotation guide grooves 340, 340).

2, a joint chamber 320 is formed at one side of the lower body 300 of the toothbrush, with one side opened as a space in which the joint shaft 120 can be housed. The anchor room 330, which is a space in which the joint anchor 130 is installed, is formed on the other side of the joint room 320.

An anchor insertion hole 335 for connecting the joint room 320 and the anchor room 330 is formed between the joint room 320 and the anchor room 330.

The anchor shaft 135 of the joint anchor 130 is located in the anchor insertion hole 335 and the anchor shaft 130 of the joint anchor 130 is inserted into the anchor room. The anchor wing 136 is positioned.

Here, as described above, it is preferable that the joint anchor 130 be rotatable with respect to the central axis of the lower body 300 of the toothbrush while being housed in the anchor room 330.

A control rod 240 for rotating the toothbrush body 100 relative to the lower body 300 of the toothbrush body 300 is formed in the toothbrush controller 200 by moving in the rotation groove 140 and the rotation guide groove 340.

Here, the control rod 240 is as described above. As shown in FIGS. 1 and 2, at least a portion of the outer circumferential surface of the toothbrush controller 200 is preferably a surface 210 formed with a raised or raised surface so as not to slip when a finger is brought into contact.

The outer shape of the toothbrush controller 200 may be a convex shape as shown in FIGS. 1 and 2, and the central portion of the toothbrush controller 500 may be curved It is also quite possible that the concave shaped portion is correspondingly formed.

A spring may be included in such a rotating toothbrush.

FIG. 7 is a partial cross-sectional view schematically showing a partial cross section of a rotating toothbrush according to an applied embodiment of the present invention, and FIG. 8 is a partial perspective view schematically showing a lower toothbrush body portion of a rotating toothbrush according to an applied embodiment of the present invention .

7 and 8, the rotating toothbrush including the spring 560 has no joint anchor 130 (see FIG. 2) unlike the embodiment described above. Since there is no joint anchor, one end of the lower body 600 of the toothbrush is closed. One spring room 630 is formed in the lower body 600 of the toothbrush without distinguishing between the anchor room 330 (see FIG. 2), the joint room 320 (see FIG. 2), and the anchor insertion hole 335 have. Although the spring 560 is connected to both ends of the toothbrush controller 500 and the lower brush body 600 in order to utilize the elastic restoring force of the spring 560, the control rod 540, The description of the rotation groove 440 and the rotation guide groove 640 is the same as that described above.

The spring 560 is provided inside the toothbrush body 600 and provides an elastic restoring force such that the toothbrush controller 500 moved to the other side of the lower body 600 of the toothbrush 600 restores to one side. In the case of a rotating toothbrush including such a spring 560, a spring room 630 is provided inside the lower body 600 of the toothbrush to provide a space for providing the spring 560.

One end of the spring 560 located in the spring chamber 630 is fastened to the spring holder 660 provided at one side of the lower brush body 600 in the spring room 630. The other side end of the spring 560 is fastened to the return rod 564 formed in the toothbrush controller 500 by a predetermined length toward the spring room 630 side. The spring 560 pulls the return rod 564 of the toothbrush controller 500 moved to the other side of the lower body 600 of the toothbrush body by the elastic restoring force so that the toothbrush controller 500 moves one side of the lower body 600 of the toothbrush body 600 .

The toothbrush body 400 is provided with a recess 435 corresponding to a part of the inner surface of the other end of the toothbrush body 400 and a portion of the outer circumferential surface of the lower body 600 of the toothbrush body, It is preferable that the toothbrush body 400 is coupled to be rotatable. Instead of the joint anchor, a portion of the inner side surface of the other end of the toothbrush body 400 and a portion of the outer circumferential surface of the lower body 600 of the toothbrush 600 are provided with concave and convex portions 435 corresponding to each other. When the toothbrush body 400 is rotated so that the concavities and convexities 435 are engaged with each other, the toothbrush body 400 can be rotated with respect to the lower body 600 as in the above-described embodiment.

When the spring 560 is included, the holding grooves 642 and 643 of the lower toothbrush body 600 may be formed as shown in FIG.

That is, even if there is no holding groove on one side (i.e., the toothbrush body 400 side) of the lower body 600 of the toothbrush, the toothbrush controller 500 is moved toward the toothbrush body 400 by the elastic restoring force of the spring 560 to be.

therefore. When the toothbrush controller 500 pulled by the user's thumb or the like is moved to the lower toothbrush body 600 side (the other end side direction of the toothbrush body 600), the spring 560 is stretched, It is preferable to provide holding grooves 642 and 643 where the control rod 540 can be positioned. 8 shows an exemplary embodiment in which the holding grooves 642 and 643 are provided.

It is usually easier to pull your thumb down to the palm side than pushing your thumb to the back of your hand. 8 (a) or holding grooves 642 and 643 of the type shown in FIG. 8 (b) may be provided in consideration of this point and whether the user is left-handed or right-handed, The holding grooves 642 and 643 may be formed as shown in FIG. 8 (c).

On the other hand, in FIGS. 7 and 8, reference numeral 420 denotes a joint shaft, which is similar to the above-described joint shaft 120 (see FIG. 2).

As described above, the rotating toothbrush according to the present invention can clean the upper or lower teeth while brushing the upper or lower teeth while brushing or wiping the wrist or fixing the toothbrush without changing the orientation of the bristles. The convenience of brushing in brushing the tooth is improved, the hand and wrists holding the toothbrush are protected, and the toothbrush is protected from being injured. There are advantages.

When the anchor wing of the joint anchor connecting the upper body of the toothbrush and the lower body of the toothbrush is inserted into the anchor insertion hole of the lower body of the toothbrush, the anchor wing is expanded more than the diameter of the anchor insertion groove, There is also.

In the case of a rotating toothbrush including a spring, the toothbrush controller can be simply pulled by using a thumb or the like, and the spring can be pulled by the elastic force so that the toothbrush controller returns to the home position.

As described above, since the structure of the rotating toothbrush is simple, it is easy to manufacture, and when the user simply pulls the thumb with the thumb or the like, the direction of the bristles is changed, and the utilization of the toothbrush can be further enhanced.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is to be understood that the scope of the present invention is to be construed as being limited only by the embodiments, and the scope of the present invention should be understood as the following claims and their equivalents.

10: Rotating toothbrush
100, 400: The toothbrush upper body.
120, 420: Joint shaft
130: Joint anchor
135: Anchor shaft 136: Anchor wing
140, 440:
200, 500: Toothbrush Controller
240, 540: control rod 564: return rod,
300, 600: Lower body of toothbrush
320: joint room 330: anchor room
335: anchor insertion hole 340, 640: rotation guide groove
342, 343: Holding groove 630: Spring room
660: Spring holder
560: spring
L: circumference of joint shaft
R: rotation section H: holding section

Claims

A toothbrush body having a bristle on one side;
A lower toothbrush body coupled to the joint shaft provided at the other side of the toothbrush body at one side and supporting the toothbrush body; And
And a toothbrush controller which is provided at a portion where the toothbrush body and the toothbrush body are coupled and controls the rotation of the toothbrush body with respect to the central axis of the toothbrush body within a predetermined angle range with respect to the lower body of the toothbrush ,
Wherein the rotary shaft is formed in the joint shaft so that the toothbrush body can be rotated with respect to the central axis of the lower body of the toothbrush by the toothbrush controller,
A rotation guide groove is formed on one side of the lower body of the toothbrush so that the toothbrush body can be rotated by the toothbrush controller,
Wherein the toothbrush controller is provided with a control rod for rotating the toothbrush body with respect to the lower body of the toothbrush by moving the rotary groove and the rotation guide groove.

The method according to claim 1,
On the other side of the joint shaft connected to the toothbrush body on one side,
And a joint anchor for engaging with one end of the lower body of the toothbrush so that the toothbrush body can be rotated with respect to the lower body of the toothbrush.

3. The method of claim 2,
At one end of the lower body of the toothbrush,
Wherein a joint room in which one side is opened is formed as a space in which the joint shaft is housed,
An anchor room, which is a space in which the joint anchor is installed, is formed on the other side of the joint room,
An anchor insertion hole communicating the joint room and the anchor room is formed between the joint room and the anchor room,
And the joint anchor is rotatable with respect to the central axis of the lower body of the toothbrush while the joint anchor is embedded in the anchor room.

The method of claim 3,
The joint anchor
An anchor shaft serving as a central axis of the joint anchor; And
A plurality of anchor wings spaced at one end from the anchor shaft and having an other end coupled to the anchor shaft; / RTI >
One end of the anchor wing is brought close to the anchor shaft side while the other end of the anchor wing is inserted into the anchor insertion hole, and when one end of the anchor wing passes through the anchor insertion hole, Wherein the anchor insertion hole is spaced apart from the anchor shaft and is spaced apart from a radius of the anchor insertion hole.

The method according to claim 1,
Wherein the rotary groove is formed within a predetermined interval on an outer circumferential surface of the joint shaft such that the toothbrush body can be rotated within a predetermined rotation angle range.

The method according to claim 1,
Wherein the rotary groove is formed such that an angle formed by one end and the other end of the rotary groove with respect to the central axis of the joint shaft is 180 degrees or less.

The method according to claim 1,
Wherein the rotation guide groove is formed by a predetermined length in a direction parallel to the center axis of the lower body of the toothbrush.

The method according to claim 1,
And a holding groove for holding the toothbrush body so that the toothbrush body is no longer rotated is provided at one or the other end of the rotation guide groove.

The method according to claim 1,
At least a portion of an outer circumferential surface of the toothbrush controller
Wherein a surface of the rotating toothbrush is formed so as not to slip when the finger is touched.

The method according to claim 1,
A spring provided within the lower body of the toothbrush and providing an elastic restoring force such that the toothbrush controller moved to the other side of the lower body of the toothbrush is retracted to one side; &Lt; / RTI >

11. The method of claim 10,
A spring room is provided on the inside of the lower body of the toothbrush to provide a space in which the spring is provided,
Wherein one end of the spring, which is located in the spring room,
A spring holder provided on one side of the lower body of the toothbrush in the spring room,
The other end of the spring
The toothbrush controller is coupled to the return rod formed to a predetermined length from the spring chamber side,
Characterized in that the toothbrush controller is moved to one side of the lower body of the toothbrush by pulling the return rod of the toothbrush controller moved to the other side of the lower body of the toothbrush by the elastic restoring force of the spring,

11. The method of claim 10,
Wherein a portion of an inner surface of the other end of the toothbrush body and a portion of an outer circumferential surface of the lower body of the toothbrush are formed with concave and convex portions corresponding to each other,
Wherein the toothbrush body is rotatably coupled to a central axis of the lower body of the toothbrush.