WO2010123208A2

WO2010123208A2 - Toothbrush

Info

Publication number: WO2010123208A2
Application number: PCT/KR2010/002068
Authority: WO
Inventors: 김근서
Original assignee: Kim Geun-Seo
Priority date: 2009-04-23
Filing date: 2010-04-05
Publication date: 2010-10-28
Also published as: WO2010123208A3; KR20100116757A

Abstract

The present invention relates to a toothbrush, and more specifically, to a toothbrush comprising a plurality of brush units which are vertically arranged on one side of a head portion installed on an end portion of a handle unit and can ascend or descend elastically, wherein each brush unit arranged at the head portion is closely contacted to the surface of teeth with curved portions while the end portion thereof is orthogonal to the surface of teeth without bending, thereby stably cleaning the surface of teeth.

Description

toothbrush

The present invention relates to a toothbrush, and more particularly, a plurality of sole units are arranged orthogonally to one surface of the head portion provided at the end of the handle portion and configured to enable elastic up and down of the sole unit, to the surface of the tooth having a bend. The present invention relates to a toothbrush configured to stably clean the surface of a tooth by contacting each brush unit disposed in the head portion in a state in which the ends are orthogonal to each other without bending.

In general, the toothbrush is made of a structure formed by integrally forming the head portion at the tip of the handle portion, the brush unit made of a plurality of brush members are fixed to one surface of the head portion is installed.

The toothbrush configured as described above removes foreign substances such as food stuck between the tooth surface or the teeth through friction between the brush member of the brush unit and the tooth surface by entering the head portion into the mouth while the user grips the handle.

However, the conventional toothbrush is fixed to one surface of the brush unit is installed, the height of the brush unit is not made freely, the brush member of the brush unit is locally bent according to the bending of the teeth.

Thus, when the bending of the sole member occurs, the end of the sole member is not in close contact with the surface of the tooth, and the side surface of the sole member having the warpage is in close contact with the tooth, it is difficult to achieve a stable cleaning function.

On the other hand, the conventional toothbrush is the head portion and the handle portion is composed of a single body, it is difficult to adjust the angle of the head portion. Of course, in recent years, molar toothbrushes with bent handles have been proposed and released, but these toothbrushes exhibit a stable cleaning function in molar cleaning. It has limitations that it does not have.

An object of the present invention devised to solve the above problems is to arrange a plurality of sole units orthogonally to one surface of the head portion provided at the end of the handle portion and configured to enable the elastic unit to move up and down, the teeth having a bend To provide a toothbrush that is configured so that each brush unit disposed in the head portion is not bent, the end portion is in close contact with the orthogonal state, and the tooth can be stably cleaned.

The above object is achieved by the following configuration provided in the present invention.

Toothbrush according to the invention,

A head part having a plurality of sole units disposed on one surface thereof; In the toothbrush comprising an end portion is connected to the head portion, comprising:

The head portion, and the lower body is provided with an elastic pad on the upper surface; An upper body installed on the upper part of the lower body and having a plurality of lifting holes formed in the body; And a sole unit fixed to the upper portion of the elevating pin, the brush unit penetrating through the elevating holes of the upper body,

When the rear end of each sole unit of the head is touched by an elastic pad provided on the lower body and the tip of each sole unit is in close contact with the curved tooth surface, each sole unit is elastically lifted and individually by the elastic pad. The tip of the brush member is moved to a state in close contact with the teeth without excessive bending, characterized in that configured to remove foreign matter on the teeth.

Preferably, the lower body portion and the upper body portion constituting the head portion has a hinge connecting portion is formed to correspond to each other, and the hinge portion of the lower body and the upper body is connected in a hinge structure through a hinge axis, the plurality of sole units The upper body having a hinge structure is developed to the outside is configured to enable the cleaning of this part through the external exposure of the elastic pad provided on the lower body and the lower body of the sole unit.

More preferably, an elastic fixing structure is formed between the upper body and the lower body connected to one side of the hinge structure by an elastic locking piece and an elastic fixing piece for fixing it, so that the upper body is fixed to the lower body by the elastic fixing structure. It is composed.

On the other hand, the handle portion and the head portion is composed of a dual segmented body, the front end of the handle portion and the rear end of the head portion is interconnected by a hinge structure, the handle portion is formed with a rail, the rail is provided with an exit rod provided with a knob On the other hand, the front end and the head portion of the advancing rod is connected in a rotational structure, so that the bending angle of the head portion installed in the hinge structure at the distal end of the handle portion in accordance with the advancing amount of the advancing rod is configured.

In addition, a plurality of stopping grooves are disposed on the inner wall of the rail at equal intervals, and an exit rod in close contact with the inner wall of the rail is formed with a stopper protrusion inserted into the stopping groove, so that the exit rod has a stopping protrusion and a stopping. It is configured to fix the position by the elastically fixed action by the groove.

As described above, the present invention proposes a toothbrush configured to allow a plurality of sole units to be orthogonally disposed on one surface of the head unit provided at the end of the handle unit, and to allow the sole unit to elastically move up and down.

The toothbrush configured as described above, the sole unit is moved up and down elastically according to the curvature of each tooth, so that each brush unit disposed in the head portion is in close contact with the end of the orthogonal state without bending the teeth to the curved tooth, thereby making the teeth more stable It has the advantage of being cleaned.

In particular, the present invention is configured to enable the opening and closing of the upper body provided with the sole unit in the lifting structure, so that the removal of foreign matter inserted between the contact pad and the upper body is more stable.

In addition, the present invention is configured to be able to bend the head portion provided at the front end of the handle portion, can be washed by bending the head portion according to the teeth to be cleaned, there is an advantage that the cleaning efficiency is improved.

1 is a state diagram showing the appearance of the toothbrush proposed in the preferred embodiment of the present invention,

Figure 2 is an exploded view showing in detail the respective configurations of the toothbrush proposed in the preferred embodiment of the present invention,

3 is in the toothbrush proposed in the preferred embodiment of the present invention, showing the opening and closing state of the head portion,

Figure 4 in the toothbrush proposed in the preferred embodiment of the present invention, showing the elevated state of the brush unit according to the cleaning of the tooth having a bend,

Figure 5 is a working state showing the change in the bending angle of the head portion according to the advance of the advance rod in the toothbrush proposed in the preferred embodiment of the present invention.

**** Explanation of symbols for the main parts of the drawing ****

1. Toothbrush

10. Head 11. Lower Body

11a. Elastic pad

11b. Hinge connection 11c. Elastic batten

12. Upper Body 12a. Elevator

12b. Hinge connection 12c. Elastic hook

13. Hinge Shaft 14. Brush Unit

14a. Lift pin 14b. Brush member

20. Handle 21. Hinge structure

22. Rail 22a. Stopping groove

23. Advance loading 23a. Knob

23a-a. Stopping protrusion

Hereinafter, with reference to the accompanying drawings will be described in detail the toothbrush proposed in the preferred embodiment of the present invention.

1 is a state diagram showing the appearance of the toothbrush proposed as a preferred embodiment in the present invention, Figure 2 is an exploded state diagram showing each configuration of the toothbrush proposed as a preferred embodiment in the present invention, Figure 3 In the toothbrush proposed as a preferred embodiment in the invention, it shows the opening and closing state of the head portion, Figure 4 is a toothbrush proposed in the preferred embodiment in the present invention, the lifting of the brush unit according to the cleaning of the tooth having a bend 5 is a working state diagram showing a change in the bending angle of the head portion according to the advance of the advance rod in the toothbrush proposed in the preferred embodiment of the present invention.

Toothbrush (1) proposed as a preferred embodiment in the present invention, as shown in Figures 1 to 5, the head portion 10 is disposed a plurality of brush units 14 on one surface; The end is configured to include a handle portion 20 is connected to the head portion 10.

In this embodiment, in implementing such a toothbrush 1, by installing the sole unit 14 to the head portion 10 in a lifting structure without fixing the brush unit 14 to the head portion 10, Each sole unit 14 is elastically lifted according to the bending of the teeth, so that the ends of the sole member 14b provided in the sole unit 14 and the teeth are in stable contact with each other without bending the sole member 14b.

To this end, in the present embodiment, the head portion 10 includes: a lower body 11 provided with an elastic pad 11a on an upper surface thereof; An upper body 12 installed on the upper part of the lower body 11 and having a plurality of lifting holes 12a formed on the body; And a brush unit 14 penetrating through the elevating holes 12a of the upper body 12 in a form in which a plurality of brush members 14b are fixed to an upper portion of the elevating pin 14a. have.

Referring to the drawings showing a preferred embodiment, the lifting body (12a) is formed in a lattice structure in the upper body 12, the lifting pin (14a) of the sole unit 14 is installed to penetrate individually through the lifting hole (12a) The upper end of the) is fixed end (14a-a), and the lower end of the elastic locking end (14a-b) having a one-way locking structure is formed, respectively, the sole inserted into the lifting hole (12a) of the upper body 12 The unit 14 has a one-way locking state formed by the elastic locking ends 14a-b to prevent the unit from being separated.

And, the height of the lifting hole (12a) of the upper body 12 is set lower than the separation distance between the fixed end (14a-a) and the elastic engaging end (14a-b) of the sole unit 14, the sole unit 14 may move up and down by a deviation distance obtained by subtracting the height of the lifting hole 12a from the separation distance between the fixed ends 14a-a and the elastic locking ends 14a-b.

Accordingly, as shown in FIG. 3, the lower end of each sole unit 14 of the head portion 10 is touched by the elastic pad 11a provided on the lower body 11, and each sole unit (B) is formed on the tooth surface having the bend. When the tip of 14) is in close contact with each other, each brush unit 14 is elastically elevated individually through the elastic pad 11a to move the tip of the brush member 14b in close contact with the teeth without excessive bending. Since the foreign matter is removed, the toothbrush 1 according to the present embodiment has improved cleaning by the elastic lifting of the brush unit 14.

In the present embodiment, as shown in FIG. 4,

hinge connecting parts

11b and 12b are formed to correspond to one piece of the lower body 11 and the upper body 12, respectively, constituting the head part 10. Hinge connecting

portions

11b and 12b of the lower body 11 and the upper body 12 are connected through the hinge shaft 13.

As shown in the drawing, an elastic fixing structure including an elastic locking piece 11c and an elastic fixing piece 12c for fixing the one side is provided between the upper body 12 and the lower body 11 to which the one piece is hinged, and the upper body 12 Is configured to be fixed to the lower body 11 by an elastic fixing structure.

When configured in this manner, the upper body 12 maintains a state in which the upper body 12 is in close contact with the lower body 10 as shown in FIG. 4A, and in the cleaning process, the upper body 12 is moved outwardly by a hinge as shown in FIG. 4B. It is configured to be cleaned of this part through the external exposure of the elastic pad 11a provided on the lower part and the lower body 11 of the sole unit 14 is deployed.

In addition, in the present embodiment, the head part 10 and the handle part 20 are not configured as a single body, but the handle part 20 and the head part 10 are configured as a dual segmented body, and the hinge structures 21 are provided. ) And a structure capable of adjusting the bending angle therebetween to allow for variable bending of the head portion 10 according to the teeth.

To this end, as shown in Figure 5 the front end of the handle portion 20 and the rear end of the head portion 10 are interconnected by a hinge structure 21, the handle portion 20 is formed with a rail 22 The rail 22 is provided with an advancing rod 23 provided with a knob 23a, while the distal end of the advancing rod 23 and the head 20 are connected by a rotational link structure 21a, so that the advancing rod 23 is provided. The bending angle of the head portion 10 installed by the hinge structure 21 at the tip of the handle portion 20 is changed according to the amount of advance of the 23.

As shown in the drawing, a plurality of stopping grooves 22a are disposed on the inner wall of the rail 22 at equal intervals, and the knob 23a closely attached to the inner wall of the rail 22 is inserted into the stopping groove 22a. The stopper protrusions 23a-a are formed, so that the position is fixed by the elastic fixing action of the stoppering protrusions 23a-a and the stopping groove 23a of the knob 23a.

Therefore, when the user advances the advancement rod 23 during the cleaning process of the teeth as shown in Figure 5a, the head portion 10 is rotated in one direction to bend, and if the retracted rod 23 as shown in Figure 5b the head The head rotates in the reverse direction, and the bent head part 10 forms a straight line with the handle part 20.

At this time, the stopping protrusions 23a-a provided on the exit rod 23 are elastically inserted into the stopping grooves 22a formed on the inner wall of the rail 22, so that the head portion 10 is bent or deployed. Will be maintained.

The present invention can be used in the toothbrush, and more specifically, a plurality of the sole unit is disposed orthogonally on one surface of the head portion provided at the end of the handle portion and configured to enable the elastic up and down of the brush unit, the surface of the tooth having a bend Each brush unit disposed in the head portion is not bent, but the ends are orthogonal and can be used in the toothbrush configured to stably clean the tooth surface.

Claims

A head portion 10 having a plurality of sole units 14 disposed on one surface thereof; In the toothbrush comprising an end portion is connected to the head portion 10, the handle portion 20,

The head portion 10, the lower body 11 is provided with an elastic pad (11a) on the upper surface; An upper body 12 installed on the upper part of the lower body 11 and having a plurality of lifting holes 12a formed on the body; And a brush unit 14 penetrating through the lifting holes 12a of the upper body 12 in a form in which a plurality of brush members 14b are fixed to an upper portion of the lifting pin 14a. ,

The rear end of each sole unit 14 of the head portion 10 is supported by the elastic pad 11a provided on the lower body 11 so that the tip of each sole unit 14 is in close contact with the curved tooth surface. When the sole unit 14 is elastically lifted up and down individually through the elastic pad 11a, the front end of the brush member 14b is brought into close contact with the tooth surface without excessive bending, thereby removing foreign matter on the tooth surface. Toothbrush, characterized in that configured to.
According to claim 1, One side of the lower body 11 and the upper body 12 constituting the head portion 10 are hinged connecting portions (11b, 12b) are formed to correspond to each of the lower body 11 and The hinge connecting portions 11b and 12b of the upper body 12 are connected to the hinge structure 21 through the hinge shaft 13, so that the upper body 12 having the plurality of sole units 14 is the hinge structure 21. Toothbrush which is configured to be cleaned out of this area through the external exposure of the elastic pad (11a) provided on the lower body and the lower body of the lower unit 11 and the sole unit (14).
According to claim 1, wherein the one piece between the upper body 12 and the lower body 11 connected by the hinge structure 21, the elastic fixing piece 12c and the elastic fixing piece (11c) for fixing it The structure is provided, the upper body 12 is a toothbrush, characterized in that configured to be fixed to the lower body (11) by the elastic fixing structure.
According to claim 1, wherein the handle portion 20 and the head portion 10 is made of a dual segmented body, the front end of the handle portion 20 and the rear end of the head portion 10 to the hinge structure (21) A rail 22 is formed in the longitudinal direction and connected to the handle portion 20, and a guide rod 23 having a knob 23a is installed in the guide portion, while a tip and a head of the advance rod 23 are installed. The portion 10 forms a rotational link structure so that the bending angle of the head portion 10 installed by the hinge structure 21 at the tip of the handle portion 20 is changed according to the amount of advancement of the advancement rod 23. Toothbrush characterized in that.