CN219515587U - Toothbrush - Google Patents

Abstract

The utility model discloses a toothbrush, which comprises a brush handle and a brush head, wherein the brush head is provided with brush hair, and the back surface of the brush head is provided with an annular bulge positioned at the periphery and a concave cavity positioned at the inner side of the annular bulge; the concave cavity is used for containing the inner muscles of the oral cavity at the corners of the teeth when the brush head stretches into the oral cavity, so that the resistance of various muscles of the face to the toothbrush can be easily counteracted, the corners of the teeth can be brushed, and the teeth can be easily and thoroughly cleaned by using the resistance of the facial muscles as power, so that the best cleaning effect is achieved.

Description

Toothbrush

Technical Field

The utility model relates to the field of oral cavity cleaning, in particular to a toothbrush.

Background

It is well known that oral hygiene is very important for the health of the human body, wherein cleaning of teeth is an extremely important link in oral hygiene. Toothbrushes are commonly used by people in daily life to clean teeth.

Toothbrushes are important tools for cleaning oral cavities, generally comprise a brush handle and a brush head, which are integrally structured, and bristles are arranged on the front surface of the brush head.

In chinese patent CN200920046059.9, a health toothbrush is described, wherein the structure is used for placing medicinal articles by providing a groove on the back of the toothbrush head, and is connected with a needle-shaped hard-tooth toothbrush device at the tail end of the toothbrush handle via a connecting ring, so that the toothbrush can not only be used for normal brushing, but also can clean tooth gaps or treat dental diseases, so that the functions of the toothbrush are more complete, and different use requirements are satisfied, however, in actual operation, the following findings are found by those skilled in the art: the recess in this patent can't laminate well with the inside muscle of oral cavity, leads to the muscle of oral cavity to the department of brushing the head to produce resistance, and the corner position of unable clean tooth of brushing teeth can't reach good cleaning performance. In addition, after the toothbrush is used for a period of time, the bristles of the existing toothbrush are replaced together with the brush handle, so that the resource waste of the brush handle is caused. In view of the above problems, the present utility model provides a toothbrush which can easily clean the corner positions of teeth, achieve a good cleaning effect, and can replace bristles.

Disclosure of Invention

The utility model aims to overcome the defects and the shortcomings in the prior art and provides a toothbrush, and the technical scheme adopted by the utility model is as follows:

in order to solve the technical problems, the utility model provides the following technical scheme: a toothbrush comprises a brush handle and a brush head, wherein the brush head is provided with brush hair, and the back surface of the brush head is provided with an annular bulge positioned at the periphery and a concave cavity positioned at the inner side of the annular bulge; the concave cavity is used for accommodating the inner muscles of the oral cavity at the corners when the brush head stretches into the oral cavity and is opposite to the corners of the teeth.

As a preferable technical scheme of the utility model, the outer corners of the upper ends of the annular bulges are arc-shaped chamfer angles, and the inner walls of the annular bulges adjacent to the concave cavities are inclined surfaces.

As a preferable technical scheme of the utility model, the distance between the upper end of the inclined surface wall and the side wall of the brush head is 1-3mm.

As a preferable technical scheme of the utility model, the top end of the brushing end is internally provided with a mounting groove, the upper part and the lower part of the mounting groove are respectively provided with a circular positioning hole, the inside of each group of positioning holes is externally provided with an inner groove, a replacement part is fixedly inserted into the mounting groove, the replacement part comprises a bottom table, clamping blocks fixed on two sides of the bottom end of the bottom table and planting holes formed in the top end of the bottom table, and a plurality of groups of bristles are fixedly arranged in the planting holes.

As a preferable technical scheme of the utility model, the positioning hole is arranged in the concave cavity.

As a preferable technical scheme of the utility model, the clamping block is of a structure that the bottom end is a cylinder, the top end is provided with a bulge outwards, and the middle part of the bottom end of the clamping block is provided with a round hole.

As a preferable technical scheme of the utility model, the positioning hole is of a round slot hole structure with the size matched with that of the clamping block, and the clamping block is a plastic piece.

As a preferable technical scheme of the utility model, the size of the base table is matched with the size of the mounting groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. in this device, through setting up the brush head structure of interchangeable formula, the user can carry out fixed mounting with the replacement portion and the brush holder of different brush hair types that need, wherein the fixture block structure can carry out the card with the inside groove and establish fixedly, after the card is gone into in the inside groove, can realize fixed effect, the user can normally use the toothbrush clean, and when changing, the round hole structure on the accessible fixture block stirs the fixture block outside, it establishes to break away from the card with the inside groove, can lift off the replacement portion and the brush hair structure on top from the brush holder, reach the effect of easily changing, and the user need not to change the brush holder, directly with brush hair and replacement portion get rid of can, the brush holder repeatedly usable, and the user also can change different types of brush hair structures at different periods according to specific use needs, in order to reach multiple result of use and practicality.

2. In this device, through setting up the concave cavity structure of utilizing the toothbrush back to offer, the fulcrum principle of its sunken design easily offsets the resistance of various muscles of face to the toothbrush to utilize the face muscle resistance to become power and make the more light clean more thoroughly of brushing teeth, because the resistance cancellation of muscle can brush the corner position of tooth, thereby reach best clean effect.

Drawings

FIG. 1 is a front view of a brush head according to the present utility model;

FIG. 2 is a cross-sectional view of a portion A-A of a brush head according to the present utility model;

FIG. 3 is a cross-sectional view of a brush head according to the present utility model;

FIG. 4 is a schematic diagram of the structure of the present utility model;

FIG. 5 is an exploded view of the structure of the present utility model;

FIG. 6 is a schematic view of a brush head according to the present utility model;

fig. 7 is a structural back view of the present utility model.

Wherein: 1. a brush handle; 2. a replacement section; 3. brushing; 11. a brush head; 12. a mounting groove; 13. positioning holes; 15. a cavity; 16. an annular protrusion; 21. a base table; 211. planting pores; 22. a clamping block; 221. and a round hole.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-7, the utility model provides a toothbrush, which comprises a brush handle 1 and a brush head 11, wherein the brush head 11 is provided with bristles 3, and the back surface of the brush head 11 is provided with an annular bulge 16 positioned at the periphery and a concave cavity 15 positioned at the inner side of the annular bulge; the concave cavity 15 is used for accommodating the inner muscles of the oral cavity at the corners when the brush head extends into the oral cavity and is opposite to the corners of the teeth. The corners of the teeth comprise the rear molar part in the oral cavity, the joint of the tooth root and the gum and other parts which are not easy to clean at ordinary times. The setting of cavity makes the toothbrush when stretching into the corner, and the muscle of oral cavity inboard can be held, offset the resistance of muscle to the toothbrush, can brush the corner position of tooth to reach best cleaning performance. The toothbrush provided by the utility model is suitable for brush heads with various shapes.

In other embodiments, the outer corner of the upper end of the annular protrusion 16 is provided with an arc chamfer, and the inner wall of the annular protrusion 16 adjacent to the cavity 15 is provided with an inclined surface wall. Through the arrangement of the arc chamfer, the toothbrush can not scratch the oral cavity when extending into the oral cavity, and the use safety of the toothbrush is improved; the provision of the beveled wall enables the muscles of the inner wall of the mouth to be more fully accommodated.

In other embodiments, the distance between the upper end of the bevel wall and the side wall of the brush head 11 is 1-3mm. Through the arrangement of the distance between the bevel wall and the brush head, the toothbrush better accords with the position relation between muscles and teeth in the oral cavity of a human body, and a user can achieve a comfortable use effect during brushing teeth.

In other embodiments, the top end of the brushing end 11 is provided with an installing groove 12 inwards, both the upper and lower sides of the installing groove 12 are provided with circular positioning holes 13, the replacing part 2 is inserted and fixed in the installing groove 12, the replacing part 2 comprises a bottom table 21, clamping blocks 22 fixed on two sides of the bottom end of the bottom table 21 and planting holes 211 formed in the top end of the bottom table 21, a plurality of groups of bristles 3 are fixed in the planting holes 211, and the clamping blocks 22 are clamped in the positioning holes 13.

In other embodiments, the positioning hole 13 is formed in the cavity 15.

In other embodiments, the clamping block 22 is a cylinder with a bottom end, a protruding structure is provided at the top end outwards, and a circular hole 221 is provided in the middle of the bottom end of the clamping block 22.

In other embodiments, the positioning hole 13 is a circular slot hole structure with a size matching that of the clamping block 22, and the clamping block 22 is a plastic piece, and the size of the bottom table 21 matches that of the mounting slot 12. Through setting up the brush head 11 structure of interchangeable formula, the user can carry out fixed mounting with the replacement portion 2 and the brush holder 1 of different brush hair 3 types that need, wherein fixture block 22 structure can carry out the card with locating hole 13 and establish fixedly, after the card is gone into in the locating hole 13, can realize fixed effect, the user can normally use the toothbrush clean, and when changing, the round hole 221 structure on the accessible fixture block 22 is stirred the fixture block 22 outside, break away from the card with locating hole 13 and establish, can lift down the replacement portion 2 and the brush hair 3 structure on top from brush holder 1, reach the effect of easily changing, and the user need not to change brush holder 1, directly with brush hair 3 and replacement portion 2 get rid of can, brush holder 1 repeatedly usable, and the user also can change different types of brush hair 3 structures at different periods according to specific use needs, in order to reach multiple result of use and practicality's purpose.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a toothbrush, includes brush holder (1), brush head (11) on be provided with brush hair (3), its characterized in that: the back of the brush head (11) is provided with an annular bulge (16) positioned at the periphery and a concave cavity (15) positioned at the inner side of the ring; the concave cavity (15) is used for accommodating the inner muscles of the oral cavity at the corners when the brush head stretches into the oral cavity and is opposite to the corners of the teeth.

2. A toothbrush according to claim 1 wherein: the outer corners of the upper ends of the annular bulges (16) are arc-shaped chamfer angles, and the inner walls of the annular bulges (16) adjacent to the concave cavities (15) are inclined plane walls.

3. A toothbrush according to claim 2, wherein: the distance between the upper end of the inclined surface wall and the side wall of the brush head (11) is 1-3mm.

4. A toothbrush according to claim 1 wherein: the brush is characterized in that the top end of the brush head (11) is internally provided with a mounting groove (12), the front end and the rear end of the mounting groove (12) are respectively provided with a circular positioning hole (13), a replacement part (2) is fixedly inserted into the mounting groove (12), the replacement part (2) comprises a base table (21), clamping blocks (22) fixed on two sides of the bottom end of the base table (21) and planting holes (211) formed in the top end of the base table (21), multiple groups of bristles (3) are fixed in the planting holes (211), and the clamping blocks (22) are clamped in the positioning holes (13).

5. A toothbrush according to claim 4 wherein: the positioning hole (13) is arranged in the concave cavity (15).

6. A toothbrush according to claim 4 wherein: the clamping block (22) is of a structure that the bottom end is a cylinder, the top end is provided with a bulge outwards, and a round hole (221) is formed in the middle of the bottom end of the clamping block (22).

7. A toothbrush according to claim 4 wherein: the positioning hole (13) is of a circular groove hole structure with the size matched with that of the clamping block (22), and the clamping block (22) is a plastic piece.

8. A toothbrush according to claim 4 wherein: the size of the base table (21) is adapted to the size of the mounting groove (12).