KR20130005723A - Tooth brush - Google Patents

Abstract

PURPOSE: A toothbrush is provided to brush teeth vertically and horizontally as being inclined to the left and right. CONSTITUTION: A toothbrush comprises a toothbrush head(20) which is combined with brushes of the toothbrush, and a handle part(10) bonded to the toothbrush head. The handle part comprises a straight-line portion(15) in which the handle is formed, and an extension part(11) which is formed to be combined with the toothbrush head. In the toothbrush head, guide groove for fixing the extension part of the handle part is formed.

Description

Toothbrush {TOOTH BRUSH}

The present invention relates to a toothbrush, and more particularly, to a toothbrush having a hinged shape at a certain angle, so that the handle can rotate from side to side.

In general, modern people use toothbrushes more than once a day. Toothbrushes are made in a variety of ways, such as left and right or up and down, but it is known that a good way to brush the teeth is to brush up and down.

Various techniques have been proposed as a method for brushing teeth up and down. Utility Model Registration Application No. 20-1987-0007621 relates to a toothbrush, which provides a technique for forming a brush and handle vertically, connecting the brush and handle with a pin, and allowing the brush to rotate freely from the handle to brush teeth. Doing. Since the technique can be rotated freely from side to side, there is a problem that brushing is difficult while the toothbrush is fixed.

As another prior art, Patent Application No. 10-2004-0068797 relates to a toothbrush for more effective brushing, wherein the toothbrush of the toothbrush is positioned in the middle of the toothbrush head and forms a rotary hinge device. The technology is presented. The problem with the above technique is that the entire toothbrush handle moves from side to side by the hinge, so there is no particular difference from a conventional toothbrush, and there is a problem that the toothbrush is not fixed and thus it is not easy to clean the teeth.

As another conventional technique, the toothbrush according to the patent application is a straight toothbrush pole in the longitudinal direction so as to hold the hand, and bent extending at an angle of 20 to 70 degrees to the left with respect to the extending direction of the toothbrush, the axis parallel to the toothbrush rod The present invention provides a technique with a toothbrush head which is bent at an angle of 10 to 40 degrees in the rear direction of the bristle projecting surface. The above technique does not have any particular problem when cleaning one side of the bent toothbrush, but there is a problem that can not be easily applied when cleaning teeth in the opposite direction to the bent direction.

Utility Model Registration Application No. 20-1987-0007621 Utility Model Registration Application No. 20-2006-0014731 Patent Application No. 10-2004-0068797 Patent application No. 10-2005-0000366 Patent Application No. 10-2008-0043844

The present invention has been made to solve the above problems, and an object of the present invention is to provide a toothbrush that can freely brush teeth up and down and from side to side in a tilted state from side to side.

In addition, an object of the present invention is to provide a toothbrush having a structure that can brush the teeth in a fixed state.

It is also an object of the present invention to provide a toothbrush that is easily replaceable with a bristle head.

In order to achieve the above object, the present invention is a toothbrush comprising a toothbrush head coupled to the bristles, and a handle portion coupled to the toothbrush head, wherein the handle portion, the straight portion is a handle is formed, and the straight portion on the axis Bent to 70 to 90 ° and extended to a predetermined length to form an extension part coupled to the toothbrush head, wherein the toothbrush head is formed with a guide groove in which the extension part of the handle part is seated, and is hinged with one end of the extension part. A toothbrush is provided.

In the present invention, the hinge shaft is integrally protruded so that the extension portion is hinged to the toothbrush head at one end, and a protrusion is formed inside the surface on which the hinge shaft of the extension is formed, and the hinge shaft is inserted into the guide groove of the toothbrush head. A hinge shaft insertion groove may be formed, and a protrusion insertion groove into which a protrusion may be inserted may be formed.

In addition, in the present invention, one end is formed with a pin insertion hole, the toothbrush head is formed symmetrically on both sides so that the extension is seated on the top of the guide groove is fixed to limit the movement of the extension, The pin insertion hole is formed at both sides of the inside, and the pin may be hinged by a pin insertion hole of the extension part and the pin insertion hole of the toothbrush head.

In addition, in the present invention, the hinge portion is formed integrally protruding to the hinge portion and the toothbrush head is hinged at one end, the toothbrush head is formed to be symmetrically formed on both sides so that the extension is seated and fixed to the upper end of the guide groove Limiting the movement of the extension, the hinge shaft insertion groove may be formed on both sides of the guide groove. In the extension part, a seating groove in which the fixing protrusion is seated may be formed at the front and rear surfaces, respectively. Since the fixing protrusion is seated in the seating groove, the toothbrush head and the extension can be placed in one plane.

In addition, in the present invention, the guide shaft of the toothbrush head is hinged integrally formed so as to hinge with the extension portion, projections for limiting the movement of the extension is formed symmetrically on the basis of the hinge axis, each end in the extension portion A hinge shaft insertion groove into which the hinge shaft is inserted into and a protrusion insertion groove into which the protrusion is inserted may be formed.

In addition, in the present invention, a groove may be formed in the extension portion extending in the longitudinal direction at the open end of the extension portion so that the extension portion can be easily inserted and seated in the guide groove.

The present invention can freely brush teeth up and down and left and right in an inclined state from the left and right to provide a user's convenience, and has the advantage of brushing teeth with one hand.

In addition, the present invention has a structure that can brush the teeth in the fixed state of the toothbrush, has the advantage of being able to brush the teeth in the fixed state of the handle, there is less play between the head and the handle provides a user convenience of use Has an advantage.

In addition, the present invention has the advantage that the toothbrush head can be easily replaced, the handle portion can be used continuously has the effect of significantly reducing the cost.

1 is a state diagram showing a state inclined at a predetermined angle of the toothbrush according to the present invention.
Figure 2 is a first embodiment of a toothbrush extension and toothbrush head in accordance with the present invention.
3 is a second embodiment of a toothbrush extension and toothbrush head in accordance with the present invention.
Figure 4 is an exploded perspective view of a toothbrush second embodiment according to the present invention.
Figure 5 is an exploded perspective view of a third embodiment of the toothbrush extension in accordance with the present invention.
Figure 6 is an exploded perspective view of a third embodiment of the toothbrush extension in accordance with the present invention.
Figure 7 is an exploded perspective view of a fourth embodiment of the toothbrush extension in accordance with the present invention.
Figure 8 is an exploded perspective view of a fifth embodiment of the toothbrush extension in accordance with the present invention.
9 is an exploded perspective view of a third embodiment of a toothbrush head according to the present invention;
10 is an exploded perspective view of a fourth embodiment of a toothbrush head in accordance with the present invention.
11 is an operating state of the toothbrush according to the present invention.

Hereinafter, embodiments of the present invention in which the above object can be specifically realized will be described with reference to the accompanying drawings. In describing the embodiments, the same members and the same reference numerals are used for the same members, and additional description thereof will be omitted below.

1 is a state diagram showing a state inclined at a predetermined angle of the toothbrush according to the present invention, Figure 2 is a first embodiment of the toothbrush extension and the toothbrush head according to the invention, Figure 3 is a toothbrush extension according to the present invention And a second embodiment of a toothbrush head, FIG. 4 is an exploded perspective view of a second embodiment of the toothbrush according to the present invention, FIG. 5 is an exploded perspective view of a third embodiment of the toothbrush extension according to the present invention, and FIG. FIG. 7 is an exploded perspective view of a fourth embodiment of the toothbrush extension according to the present invention, FIG. 8 is an exploded perspective view of a fifth embodiment of the toothbrush extension according to the present invention, and FIG. Is an exploded perspective view of a third embodiment of the toothbrush head according to the present invention, Figure 10 is an exploded perspective view of a fourth embodiment of the toothbrush head according to the present invention, Figure 11 is an operational state diagram of the toothbrush according to the present invention.

1 is a state diagram showing a state in which the toothbrush is inclined at a predetermined angle. In the present invention, the toothbrush as shown in FIG. 1, the handle portion 10 is composed of a straight portion 15 and the extension portion 11, the extension portion 11 based on the straight portion 15 70 It is formed to be tilted ~ 90 ° toothbrush head 20 is a toothbrush in a predetermined angle tilted state. Since the toothbrush is inclined at a predetermined angle, the user has an advantage of easily brushing teeth up and down.

2 shows a first embodiment of a toothbrush head 20 and extension 11 of a toothbrush according to the invention. In the above embodiment, the extension portion 11 is formed of a hinge shaft 12 integrally formed at one end of the extension portion and a protrusion 13 formed inside the surface on which the hinge shaft 12 is formed. The toothbrush head 20 is formed of a lower surface on which the bristle 24 is attached and an upper surface on which the guide groove 21 is formed, and the guide groove 21 has a hinge shaft insertion groove 22 and a protrusion insertion groove 23 laterally. ) Is formed. In the case of the protrusion insertion groove 23, since the extension part is rotated, the pair is formed symmetrically with respect to the hinge shaft insertion groove 22.

3 to 4 show a second embodiment of the toothbrush head 20 'and extension 11' of the toothbrush according to the invention. In this embodiment, the extension portion 11 'is provided with a hinge shaft 12' integrally formed at one end. The toothbrush head 20 'includes a guide groove 21', a hinge shaft insertion groove 22 'formed at the side of the guide groove 21', and a fixing protrusion formed at an upper end of the guide groove 21 '. 23 '). Coupling of the extension portion 11 'and the toothbrush head 20' is completed by inserting the hinge shaft 12 'of the extension portion 11' into the hinge insertion groove 22 '. In addition, the extension portion 11 'is limited to its movement while being inserted into the guide groove 21' by the fixing protrusion 23 'formed in the toothbrush head 20'. Since the movement of the handle portion 10 'is limited, the user can easily hold the handle of the toothbrush and brush the teeth easily.

5 is a third embodiment of a toothbrush head 10 "according to the present invention. In this embodiment, the extension portion 11" has a pin insertion hole 12 "at one end. Toothbrush head 20 ' The guide groove 21 ', the pin insertion hole 22' is formed on the side of the guide groove 21 ', and is formed of a fixing projection 23' formed on the upper end of the guide groove 21 '. The extension portion 11 'is seated inside the guide groove 21' and then inserts a pin 25 'to hinge with the toothbrush head 20'.The guide groove 21' of the toothbrush head 20 '. A fixing protrusion 23 'is formed at both sides at the upper end of the fixing protrusion 23' so that the extension portion 11 'can be used while being fixed to the toothbrush head 20'. 23 '), the extension portion 11' is fixedly seated in the guide groove 21 'so that the play may be reduced, thereby increasing user convenience.

6 and 7 show a third embodiment of the extension portion 11 "according to the present invention. In the above embodiment, the extension portion 11" is different from the second embodiment in the fixing projection 23 'seating groove ( 13 "). The fixing protrusion seating groove 13" is further formed so that the extension portion 11 "can be placed on the same plane as the toothbrush head 20 ', so that the user is uncomfortable in the mouth when using the toothbrush. The fixing protrusion seating groove 13 "is formed at both the front and rear sides of the extension portion 11", and is made according to the shape of the fixing protrusion 23 '.

Fig. 8 shows a fourth embodiment of the extension part 11 "according to the present invention. In the third embodiment of the extension part 11", the opening groove 14 "is shown. In the example, the extension 11 "is further formed with an opening 14". Since the opening 14 "is formed at the end of the extension 11", the end of the extension 11 "is easily formed. It has the advantage that it can be seated by inserting into the guide groove. In other words, when the extension end divided into two sides by the opening groove 14 "is inserted into the guide groove, the extension portion and the toothbrush head are easily hinged while being retracted inward and then returned to its original state by elastic force while being engaged with the hinge axis. Not only can they be combined, but they are also easy to separate, although Fig. 8 is shown with respect to the third embodiment of the extension, it is not limited to the above embodiment and is applicable to other embodiments of the extension. Is just obvious that can be achieved by a simple design change to those skilled in the art.

In addition, in the embodiment of FIG. 2, the hinge shaft 12 and the protrusion 13 formed on the extension 11 may be formed on the toothbrush head 20 on the contrary, and the hinge shaft insertion grooves formed on the toothbrush head 20 ( 22 and the projection insertion groove 23 may be formed in the extension portion. In addition, a protrusion insertion groove may be formed in the extension part 11 and a protrusion may be formed in the toothbrush head 20. You can also change the configuration in various combinations. Such a modification can be said to be merely obvious to those skilled in the art because it can be achieved by a simple design change to those skilled in the art. Therefore, such modifications will be within the scope of the present invention.

9 and 10 are other embodiments of the toothbrush heads 20 " and 20 " ', in which the bristle head is attached to the toothbrush head in a planar manner, otherwise the first embodiment or the first of the toothbrush head is made. It is the same as the second embodiment, and these matters are just enough to lead to simple design changes using other embodiments.

11 is an operational state diagram showing that the left and right rotation of the toothbrush in accordance with the present invention. As the toothbrush head can be rotated from side to side as shown in the figure, the user can use the toothbrush with one hand, and has the advantage of brushing the teeth up and down while minimizing the movement of the hand.

It is to be understood by those skilled in the art that the present invention may be embodied in many other forms without departing from the spirit and scope of the invention,

Accordingly, the above-described embodiments are to be considered as illustrative and not restrictive, and all embodiments within the scope of the appended claims and their equivalents are included within the scope of the present invention.

1: toothbrush
10, 10 ', 10 ", 10"': Handles 11, 11 ', 11 ", 11"': Extension
12, 12 ', 12 ", 12"': Hinge Shaft 13: Protrusion
13 ": Fixing projection seat 14"': Opening groove
15: straight part
20, 20 ', 20 ", 20"': Toothbrush head 21, 21 ', 21 ", 21"': Settling groove
22, 22 ', 22 ", 22"': Hinge shaft insertion groove (insertion hole) 23: Protrusion insertion groove
23 ', 23 ", 23"': Fixing protrusions 24, 24 ', 24 ", 24"': brush head
25 ': pin

Claims (7)

In the toothbrush comprising a toothbrush head coupled to the bristles, and a handle portion coupled to the toothbrush head,
The handle portion is formed of a straight portion that the handle is formed, and the extension portion is bent at 70 ~ 90 ° with the straight portion extending in a predetermined length coupled to the toothbrush head,
The toothbrush head, the toothbrush is characterized in that the guide groove is formed is seated on the extension of the handle portion is hinged to one end of the extension.
The method according to claim 1,
The extension portion, the hinge shaft is integrally protruded to one end hinged to the toothbrush head at one end, and a protrusion is formed inside the surface on which the hinge shaft of the extension is formed,
The toothbrush head is formed with a guide shaft of the hinge shaft is inserted into the guide groove of the toothbrush head, and a projection insertion groove into which the protrusion can be formed.
The method according to claim 1,
The extension portion is formed with a pin insertion hole at one end,
In the toothbrush head, the extension is formed symmetrically on both sides of the fixing protrusion so that the extension is seated on the top of the guide groove to limit the movement of the extension, the inner side of the guide groove is formed with pin insertion holes on both sides,
Toothbrush is characterized in that the pin is inserted and hinged to the pin insertion hole of the extension and the pin insertion hole of the toothbrush head.
The method according to claim 1,
The extension portion, the hinge shaft is formed integrally projecting to one end hinged to the toothbrush head,
In the toothbrush head, fixing protrusions are symmetrically formed at both sides so that the extension part is seated and fixed at the upper end of the guide groove to limit the movement of the extension part, and hinge shaft insertion grooves are formed at both sides of the guide groove. Toothbrush, characterized in that formed.
The method of claim 4,
Toothbrush is characterized in that the extension portion is formed on the front and back, respectively, a seating groove in which the fixing projection is seated.
The method according to claim 1,
In the guide groove of the toothbrush head, a hinge axis is integrally formed to hinge with the extension part, and projections for limiting the movement of the extension part are formed symmetrically with respect to the hinge axis.
The extension portion, the toothbrush, characterized in that the hinge shaft insertion groove into which the hinge shaft is inserted at one end, and a projection insertion groove into which the projection can be inserted.
7. The method according to any one of claims 1 to 6,
The toothbrush, characterized in that the groove is formed in the longitudinal direction in the longitudinal direction from the open end of the extension so that the extension can be easily inserted and seated in the guide groove.

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