JPH05168527A - Toothbrush having detachably attached brush - Google Patents

Abstract

PURPOSE:To economically reuse a shank part by changing only a brush part which is worn and deformed by use. CONSTITUTION:An end of a shank part 1 having a large diameter easy to grip is thinned so as to be easily inserted into a mouth without giving an uncomfortable feeling. A brush part 3 on which brush resinous bristles 4 are implanted is detachably attached to the thinned end 2 of this shank part 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an economical toothbrush in which only a brush part that is worn or deformed by use is replaced and the handle part can be reused.

[0002]

2. Description of the Related Art Various toothbrushes have been proposed and put into practical use, such as portable ones, permanent ones, and electric ones. In order to brush the back teeth more reliably, some models have a curved handle and some have elasticity, but this toothbrush is generally an integral part of the brush and handle except for mobile travel. Has been done. Also, for mobile travel, there is one that allows the handle to be added in the middle.

[0003]

SUMMARY OF THE INVENTION The handle part and the brush part are integrated, or the handle part is a joint type. In any case, the brush of the brush part is worn or deformed by tooth brushing. As the toothbrushing effect deteriorates, the entire toothbrush is periodically replaced with a new one. However, in the toothbrush, only the brush portion is deformed to make it unusable, but the handle portion can be used sufficiently. For this reason, toothbrushes have traditionally been considered disposable products.

It is an object of the present invention to reuse the handle portion by replacing only the unusable brush portion, and to make the handle portion easy to use and manufactured with a high-grade material.

[0005]

The present invention has been made in order to achieve the above object, and the tip of a handle having a large diameter that can be easily gripped can be inserted into the mouth easily and without causing any discomfort. The gist is that the brush has a small diameter and the brush portion with brushes is attached to the tip of the handle has a detachable and replaceable shape.

[0006]

[Function] The handle part that is held by fingers and the brushed part that is inserted into the mouth and directly brushes the teeth are detachably replaceable and integrated, so if the brush part is damaged by use, only this brush part is replaced. Reusable and economical. Further, the handle portion can be made to have a large diameter so that it can be easily gripped and operated for brushing teeth, and a high-grade material can be used, or engraving or the like can be performed to enhance the quality.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A toothbrush of which the brush unit according to the present invention is detachable and replaceable will be described below with reference to the illustrated embodiment. In the figure, reference numeral 1 denotes a handle portion of a toothbrush, which has a large diameter so that it can be easily brushed and brushed by fingers, and is made of a desired material such as bamboo, wood or metal in addition to synthetic resin as in the conventional case and is made of metal. If so, plating or coloring, or even engraving gives a high-class feeling.

The handle portion 1 having a large diameter has a required length, and the distal end side is gradually tapered by drawing a gentle curve so that the handle portion 1 can be inserted into the mouth without causing any discomfort.
The brush portion 3 is detachably and replaceably provided.

The brush portion 3 has a width, length and height suitable for tooth brushing like the brush portion of a conventional toothbrush, and is made of the same material as that of the handle portion 1. Different materials may be used. Then, a brush 4 made of synthetic resin, animal hair or a mixture thereof is planted on the base of the brush unit 3 in a predetermined arrangement and shape.

The handle portion 1 and the brush portion 3 are engaged with each other by engraving a male screw on the small-diameter tip 2 of the handle portion 1 and engraving a female screw on the side end surface of the brush portion 2 and screwing them together. By doing so, it can be attached and detached and replaced so that it is integrated. Another method is as shown in FIG.
Of the brush portion base 31 is integrally formed on the small-diameter tip 2, and locking grooves 32 are engraved on both side surfaces of the base 31. Are slid along the locking groove 32 to be fitted and locked to be integrated.

Further, as shown in FIG. 5, a fitting groove 35 is formed in the brush base 31, and the brushed body 5 is fitted in the fitting groove 35, and the brush base 5 is formed at the end of the brush base 31 on the peripheral wall side. A screw having a small diameter tip of the handle portion 1 is screwed into and fixed in the screw hole 36.

Thus, the handle portion 1 and the brush portion 2 are separately manufactured,
Both can be attached and removed freely and integrated. Therefore, when using it, it is easier to grip because the handle part that is gripped with fingers has a larger diameter than the conventional product, so when brushing, the toothbrush can be slightly moved so that it can be surely brushed even in difficult areas. Eggplant In addition, since the handle can be used for many years, it is economical even if it is made into a luxury product, and you can enjoy fashion.

Further, even if the brush portion, especially the bristle portion is worn or damaged by use, only this brush portion can be easily replaced.

[0014]

EFFECTS OF THE INVENTION The toothbrush according to the present invention, in which the brush part is detachable and replaceable, allows the tip of the handle having a large diameter to be easily grasped to be easily inserted into the mouth
In addition, it has a small diameter so that it can be inserted without causing discomfort, and the brush portion with a brush brushed on the tip of this handle portion is detachably attached, making it easy to brush the teeth, and Even if the brush is damaged, only that part can be replaced and reused, which is inexpensive and economical, and has the advantage that the handle part can be upgraded.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a toothbrush in which a brush part according to the present invention can be attached and detached and replaced.

FIG. 2 is a sectional view showing the same main part.

FIG. 3 is a front view showing a second embodiment of the present invention.

FIG. 4 is a vertical sectional side view of the same.

FIG. 5 is a sectional view of a third embodiment of the present invention.

[Explanation of symbols]

 1 Handle part 2 Small diameter tip 3 Brush part 4 Brush

Claims (3)

[Claims] 1. A tip of a handle having a large diameter that is easy to grip,
The brush part is characterized in that it has a small diameter so that it can be easily inserted into the mouth without causing discomfort, and that the brush part with brushed brushes is detachably attached to the thin end of the handle part. Removable and replaceable toothbrush. 2. A toothbrush according to claim 1, wherein the tip of the shank of the handle portion is screwed into the end surface of the brush portion so that the brush portion can be detached and replaced. 3. A toothbrush according to claim 1, wherein the brush portion is held at a small diameter position of the handle portion, and the brush portion is detachably replaceable.