KR101044285B1

KR101044285B1 - Toothbrush with replaceable brush head

Info

Publication number: KR101044285B1
Application number: KR1020100137385A
Authority: KR
Inventors: 이희돈
Original assignee: 이희돈
Priority date: 2010-12-29
Filing date: 2010-12-29
Publication date: 2011-06-28
Also published as: WO2012091242A1

Abstract

PURPOSE: A toothbrush including a replaceable brush head is provided to enable a user to replace only a brush head member instead of the whole toothbrush when the replacement of the toothbrush is necessary. CONSTITUTION: A toothbrush including a replaceable brush head comprises: a toothbrush handle in which an opening which is opened in order to pass through the top and bottom is formed and including a toothbrush head(20) in which a support stand(23) is formed; and a brush head member(30) which is formed in order to be inserted into the opening of the toothbrush head and in which a brush combining surface having a plurality of brush bonding grooves is formed.

Description

Toothbrush with replaceable brush head {.}

The present invention relates to a toothbrush, and more particularly includes a replaceable brush head that can minimize economic resource waste by replacing only the brush head member, not the entire toothbrush when the toothbrush needs to be replaced due to wear of the brush. It is about a toothbrush.

The present invention relates to a toothbrush.

Conventional toothbrushes have a problem in that the toothbrush itself is replaced when the brush is to be replaced by wear, such as the toothbrush head portion and the toothbrush bar is integrally coupled to the brush.

Therefore, the toothbrush user has to pay the total cost of the integrated toothbrush every time the replacement, the producer also has to use the raw materials used in the integrated toothbrush always has the problem of causing economic resource waste.

An object of the present invention devised to solve the above problems is to configure the brush head member that can be coupled to the opening of the toothbrush head and the toothbrush head including the toothbrush head with the opening is formed separately from the toothbrush bar, due to the wear of the brush, etc. To replace the toothbrush is to provide a toothbrush comprising a replaceable brush head that can minimize economic and resource waste by replacing only the brush head member, not the entire toothbrush.

According to a feature of the present invention for achieving the object as described above, the present invention is formed so that the opening 24 is opened to penetrate the upper and lower sides and the locking projection 22 is formed on the inner side and the lower side is the A toothbrush including a toothbrush head 20 having a support 23 formed to extend toward the opening; Is formed to be inserted into the opening of the toothbrush head and when inserted into the opening of the toothbrush head engaging grooves 34 to be coupled to the engaging projection and the male is formed on the outer side and the toothbrush brush is inserted and coupled to the upper side A brush head member 30 having a brush coupling surface 31 having two brush coupling grooves 32 formed thereon; It includes.

In addition, the toothbrush head forms an incision 27 which is cut perpendicular to the upper rim, and the brush head member extends when the brush coupling part is extended to contact the upper surface of the toothbrush head when coupled to the toothbrush head. It is characterized in that to further form the portion 36 and the engaging portion 37 coupled to the incision in the vertical downward direction from the extension.

According to the present invention as described above, when the toothbrush needs to be replaced due to the wear of the brush, the toothbrush includes a replaceable brush head capable of minimizing economic resource waste by replacing only the brush head member instead of the entire toothbrush. can do.

1 is a perspective view of a toothbrush including an open toothbrush head.
2 is a plan view of a toothbrush head portion.
3 is a bottom view of the toothbrush head portion.
4 is a cross-sectional view viewed from the direction 'A' shown in FIG. 2.
5 is a perspective view of a brush head member that is inserted and replaceably coupled to an opening formed in the toothbrush head.
FIG. 6 is a cross-sectional view viewed from the direction 'B' shown in FIG. 5.
It is a figure which shows the structure which the brush head member couple | bonded with the toothbrush head.
FIG. 8 is a cross-sectional view taken from the 'C' direction shown in FIG. 7.

Specific details of other embodiments are included in the detailed description and the drawings.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Hereinafter, the present invention will be described with reference to the drawings for describing a toothbrush including a brush head replaceable by embodiments of the present invention.

1 is a perspective view of a toothbrush including a toothbrush head according to a preferred embodiment of the present invention, FIG. 2 is a plan view of a toothbrush head portion, FIG. 3 is a bottom view, and FIG. 4 is in the 'A' direction shown in FIG. This is the cross section.

Toothbrush comprising a replaceable brush head according to a preferred embodiment of the present invention is formed so that the opening 24 is opened to penetrate the upper and lower sides and the locking projection 22 is formed on the inner side and the opening on the lower side Toothbrush base 10 including a toothbrush head 20 having a support 23 formed to extend toward the (24) side, and formed to be inserted into the opening 24 of the toothbrush head 20 and the toothbrush head 20 When inserted into the opening (24) of the engaging groove 22 and male and female engaging grooves (34) to be coupled to the outer side is formed on the outer surface and the plurality of brush coupling grooves 32 to which the toothbrush brush is inserted and coupled to the upper side And a brush head member 30 having the brush coupling surface 31 formed thereon.

In addition, the toothbrush head 20 forms an incision 27 which is vertically cut in the upper rim, and the brush head member 30 extends when the brush coupling surface 31 is coupled to the toothbrush head. An extension portion 36 may be further formed to contact the upper surface of the toothbrush head 20, and a locking portion 37 coupled to the cutout portion may be further formed in the vertical downward direction from the extension portion.

That is, the toothbrush including the replaceable brush head according to the present invention includes a toothbrush pole 10 and a brush toothbrush head member 30 including a toothbrush head 20 having an opening 24 formed in the center thereof.

The toothbrush stand 10 is in the form of a general toothbrush, the toothbrush head 20 to which the toothbrush brush is coupled is formed with an opening 24 as shown in Figs.

At this time, the toothbrush head 20 is formed so that the opening 24 penetrates up and down, and the toothbrush head member 30 is coupled to the opening 24 so as to be interchangeable.

The toothbrush head 20 is formed by the opening 24 is formed an inner surface which is a cut surface of the opening 24, the inner surface is a locking projection protruding toward the center of the opening 24 ( 22) is formed.

The locking protrusion 22 may be formed in a closed curve on the inner surface of the toothbrush head 20 (see FIGS. 1 and 2), and several locking protrusions 22 may be formed at regular intervals. .

A support 23 is formed such that the lower side of the toothbrush head 20 (that is, the lower side of the edge of the toothbrush head) extends in the center direction of the opening 24.

The lower surface of the opening 24 formed in the toothbrush head 20 by the support 23 is formed narrower than the upper surface.

The support 23 is intended to be fixed to the toothbrush head 20 without falling down when the brush head member 30 is inserted and coupled to the opening 24 of the toothbrush head 20.

That is, when brushing teeth using a toothbrush including a replaceable brush head according to the present invention, pressure is generated in a lower side direction of the toothbrush head 20, which causes the brush head member 30 to have the toothbrush head 20. This is to prevent falling into the downward direction of the opening 24 formed in the).

FIG. 5 is a perspective view of a brush head member inserted to be interchangeably inserted into an opening formed in a toothbrush head, and FIG. 6 is a cross-sectional view viewed from the direction 'B' shown in FIG. 5.

The brush head member 30 that is rotatably coupled to the opening 24 formed in the toothbrush head 20 is formed to be insertable into the opening 24 from the upper side of the toothbrush head 20.

At this time, when the brush head member 30 is inserted into the opening 24 formed in the toothbrush head 20 on the side of the insertion portion 33, which is a portion inserted into the opening 24, the locking projection ( A locking groove 34 is formed to allow the 22 to be inserted and coupled thereto.

The locking groove 34 is such that when the insertion part 33 is fully inserted into the opening 24, the locking protrusion 22 may be male-to-female fitted at a position corresponding to the locking protrusion 22. Is formed.

The brush coupling surface 31 is formed on the upper surface of the brush head member 30.

The brush coupling surface 31 is provided with a plurality of brush coupling grooves 32 to which the toothbrush brush (not shown) is inserted and coupled to the toothbrush brush.

That is, when the brush head member 30 is inserted into the opening 24 formed in the toothbrush head 20, the locking protrusion 22 and the locking groove 34 are male to female, and the toothbrush head 30 is coupled to each other. The lower side of the brush head member 30 is supported by the support 23 formed on the lower surface of the opening 24 of the c) so that the brush head member 30 is coupled to the toothbrush head 20.

In this case, when the brush head member 30 is separated from the toothbrush head 20, the brush head member 30 is pushed upward to be separated under the opening 24 formed in the toothbrush head 20. I can make it.

As shown in FIGS. 1, 2 and 4, the toothbrush head 20 may further form an incision 27 vertically cut along the outer side of the upper edge of the toothbrush head 20.

The toothbrush head 20 is stepped by the cutout 27.

In this case, the brush head member 30 has an extension portion 36 in which the brush engagement surface 31 extends to contact an upper surface of the toothbrush head 20, that is, an upper surface of an edge forming the toothbrush head 20. ) May be further formed, and the extension portion 36 may further include a locking portion 37 formed in the vertical downward direction.

At this time, the locking portion 37 is formed to correspond to the cutout 27 so that the locking portion 37 is coupled to the cutout 27, the brush head member 30 is the toothbrush head ( 20) and the brush head member 30 is stably coupled to the brush when brushing the brush so as not to shake or separate from the toothbrush head (20).

FIG. 7 is a view illustrating a configuration in which a brush head member is coupled to a toothbrush head, and FIG. 8 is a cross-sectional view viewed from the direction 'C' shown in FIG. 7.

The first locking jaw 25 formed in the toothbrush head 20 by the cutout 27 is formed in the brush head member 30 by the extension part 36 and the locking part 37. 38 is inserted into the hook portion 37 and is coupled to the space of the cutout 27.

At the same time, the brush head member 30 may be stably fixed to the toothbrush head 20 by the male and female coupling of the locking protrusion 22 and the locking groove 34 and the support 23.

7 and 8, the toothbrush including a replaceable brush head according to the present invention includes a toothbrush 10 including a toothbrush head 20 having an opening 24, and the opening 24. If the brush is worn by the brush head member 30 formed to be inserted into the), it is possible to replace only the brush head member 30 with a new one without having to replace the entire toothbrush.

Those skilled in the art will appreciate that the present invention can be embodied in other specific forms without changing the technical spirit or essential features of the present invention. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is indicated by the scope of the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalent concept are included in the scope of the present invention. Should be interpreted.

10: toothbrush stand 20: toothbrush head
21: Inner wall 22: Obstruction
23: support 24: opening
27: cutout 30: brush head member
31: Brush mating surface 32: Brush mating groove
33: insertion portion 34: locking groove
36: extension part 37: locking part
38: hanging space

Claims

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The toothbrush head 20 is formed to have an opening 24 open to penetrate up and down, a protrusion 22 is formed on the inner side, and a support 23 formed on the lower side thereof to extend toward the opening side. Toothbrush;
Is formed to be inserted into the opening of the toothbrush head and when inserted into the opening of the toothbrush head engaging grooves 34 to be coupled to the engaging projection and the male is formed on the outer side and the toothbrush brush is inserted and coupled to the upper side A brush head member 30 having a brush coupling surface 31 having two brush coupling grooves 32 formed thereon; Including,
The toothbrush head forms an incision 27 which is cut perpendicular to the upper rim,
When the brush head member is coupled to the toothbrush head, the brush coupling portion extends to further form an extension portion 36 contacting the upper surface of the toothbrush head, and the locking portion 37 coupled to the incision portion extends. Toothbrush comprising a replaceable brush head, characterized in that it further forms vertically downward from the portion.