CN219856090U

CN219856090U - electric toothbrush head

Info

Publication number: CN219856090U
Application number: CN202220861523.5U
Authority: CN
Inventors: 曹青红
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-15
Filing date: 2022-04-14
Publication date: 2023-10-20
Anticipated expiration: 2032-04-14
Also published as: CN113927916A; CN115990998A

Abstract

The utility model belongs to the technical field of toothbrushes, and relates to an electric toothbrush head, which comprises: a U-shaped inner ring, a U-shaped middle ring and a U-shaped outer ring; the U-shaped middle ring is provided with a first connecting block and a second connecting block; the first connecting block is connected with the first connecting groove, and the second connecting block is connected with the second connecting groove; the novel U-shaped inner ring comprises an upper side wall and a lower side wall of the U-shaped inner ring, wherein the upper side wall and the lower side wall of the U-shaped middle ring are respectively provided with a plurality of brush holes, and nylon bristles are respectively connected to the brush holes. The electric toothbrush head provided by the utility model uses the nylon bristles, has moderate hardness, can provide more comfortable use experience, and has good cleaning capability.

Description

Electric toothbrush head

Technical Field

The utility model relates to the technical field of electric toothbrushes, in particular to an electric toothbrush head.

Background

The U-shaped toothbrush is a novel toothbrush which is only pushed out in recent years, the brush head of the toothbrush is U-shaped, the toothbrush is bitten into the mouth, the upper teeth and the lower teeth can be well wrapped, and the toothbrush can be used for brushing teeth only by slightly shaking the toothbrush left and right. Because of the multiple bristles, the coating property is good, and the tooth brushing time is greatly shortened. However, the brush head of the current U-shaped toothbrush in the market is a silica gel brush head, the brush head and the brush hair are made by integral molding, the whole brush head and the brush hair are very soft, the brush hair is too soft to cause weakening of cleaning force, and the cleaning force cannot be used for cleaning the tooth gaps, and even the tooth surfaces cannot be cleaned effectively. The disadvantage of the insufficient cleaning capability of the U-shaped toothbrush makes the U-shaped toothbrush difficult to popularize in the market.

Disclosure of Invention

The embodiment of the utility model aims to provide an electric toothbrush head so as to solve the problem of insufficient cleaning capability of a U-shaped toothbrush.

In order to solve the above technical problems, an embodiment of the present utility model provides an electric toothbrush head, including: a U-shaped inner ring, a U-shaped middle ring and a U-shaped outer ring; wherein,,

the U-shaped middle ring is provided with a first connecting block and a second connecting block; the first connecting block is connected with the first connecting groove, and the second connecting block is connected with the second connecting groove;

the upper side wall and the lower side wall of the U-shaped inner ring are respectively provided with a plurality of brushing holes, and nylon bristles are respectively connected to the brushing holes;

the U-shaped outer ring is provided with a connecting hole; or,

the U-shaped middle ring is provided with a first connecting hole, and the U-shaped outer ring is provided with a second connecting hole.

Further, the upper side wall of the U-shaped inner ring is inclined downwards to form a first installation wall, the lower side wall of the U-shaped inner ring is inclined upwards to form a second installation wall, the upper side wall of the U-shaped outer ring is inclined downwards to form a third installation wall, and the lower side wall of the U-shaped outer ring is inclined upwards to form a fourth installation wall; the brush hair holes of the upper side wall of the U-shaped inner ring are arranged on the first mounting wall, the brush hair holes of the lower side wall of the U-shaped inner ring are arranged on the second mounting wall, the brush hair holes of the upper side wall of the U-shaped outer ring are arranged on the third mounting wall, and the brush hair holes of the lower side wall of the U-shaped outer ring are arranged on the fourth mounting wall.

Further, the first installation wall and the third installation wall form an included angle of 60-90 degrees; the second installation wall and the fourth installation wall form an included angle of 60-90 degrees.

Further, the U-shaped inner ring and the U-shaped outer ring are made of TPE materials, and the U-shaped middle ring is made of PE materials.

Further, the first connecting block is in hot-melt welding with the first connecting groove, and the second connecting block is in hot-melt welding with the second connecting groove.

In order to solve the above technical problem, an embodiment of the present utility model further provides a mold, including: the device comprises a female die, a male die and a heating plate; wherein,,

the female die is provided with a first heating groove, a second heating groove and a first connecting part, and the connecting part is used for fixing the female die; the male die is provided with a first heating block and a second heating block; the second connecting part is used for fixing the male die;

the heating plate is provided with a third heating block and a third heating groove, the third heating block is used for heating the female die, and the third heating groove is used for heating the male die.

Further, the first heating tank and the second heating tank are arranged in a stacked manner, and the first heating block and the second heating block are arranged in a stacked manner.

In order to solve the above technical problem, an embodiment of the present utility model further provides a hot melting apparatus, including the die set according to any one of the above, and including: the device comprises an operation table, a guide rail, a first moving plate, a second moving plate, a first cylinder, a second cylinder, a third cylinder and a fourth cylinder; wherein,,

the guide rail is arranged on the operating platform, one side of the guide rail is movably connected with the first movable plate, and the other side of the guide rail is movably connected with the second movable plate;

the first air cylinder is connected with the first movable plate and used for controlling the first movable plate to horizontally move; the second air cylinder is connected with the second movable plate and used for controlling the second movable plate to horizontally move;

the first moving plate is fixedly connected with the third air cylinder, and the third air cylinder is connected with one of the female die or the male die and used for controlling the vertical movement of the female die or the male die;

the second moving plate is fixedly connected with the fourth air cylinder, and the fourth air cylinder is connected with the other one of the female die and the male die and used for controlling the vertical movement of the female die and the male die;

the heating plate is arranged between the female die or the male die.

In order to solve the above technical problem, an embodiment of the present utility model further provides a method for manufacturing an electric toothbrush head, where the method is used for manufacturing the electric toothbrush head according to any one of the above claims, including:

injection molding: the TPE material is manufactured into a U-shaped inner ring and a U-shaped outer ring through compression molding or injection molding, and the PE material is manufactured into a U-shaped middle ring;

welding: heating the first connecting groove, the second connecting groove, the first connecting block and the second connecting block through a hot-melting device, and carrying out hot-melting welding on the first connecting block and the first connecting groove and the second connecting block and the second connecting groove;

planting hair: and implanting nylon bristles into the bristle holes by a bristle implanting machine.

Further, the injection molding step temperature is 180-230 ℃; the welding step temperature is 150-230 ℃.

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

the electric toothbrush head provided by the scheme of the utility model uses the nylon bristles, has moderate hardness, can provide more comfortable use experience, and has good cleaning capability. The die provided by the scheme of the utility model has the advantages that the mechanism is compact, the first connecting groove and the second connecting groove can be heated on the female die at the same time, the first connecting block and the second connecting block can be heated on the male die at the same time, the heating efficiency is high, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments of the present utility model, it being apparent that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without the exercise of inventive effort for a person of ordinary skill in the art.

FIG. 1 is an exploded view of the structure of an electric toothbrush head in one embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of an electric toothbrush head in an embodiment of the utility model;

FIG. 3 is a schematic view of a mold according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a thermal fusion apparatus according to an embodiment of the present utility model.

Reference numerals: 1. a U-shaped inner ring; 11. a first connection groove; 12. a first mounting wall; 13. a second mounting wall; 2. a U-shaped middle ring; 21. a first connection block; 22. a second connection block; 23. a first connection hole; 3. a U-shaped outer ring; 31. a second connecting groove; 32. a third mounting wall; 33. a second connection hole; 4. a female die; 5. a male die; 6. a heating plate; 7. an operation table; 71. a guide rail; 72. a first moving plate; 73. a second moving plate; 74. a first cylinder; 75. a second cylinder; 76. a third cylinder; 77. and a fourth cylinder.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the drawings are used for distinguishing between different objects and not for describing a particular sequence, and are used for describing a specific embodiment of the present utility model at a temperature in degrees celsius and at a hardness in rockwell.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 1 to 2, a first embodiment of the present utility model provides an electric toothbrush head comprising: a U-shaped inner ring 1, a U-shaped middle ring 2 and a U-shaped outer ring 3; wherein,,

the outer side wall of the U-shaped inner ring 1 is provided with a first connecting groove 11, the inner side wall of the U-shaped outer ring 3 is provided with a second connecting groove 31, and the U-shaped middle ring 2 is provided with a first connecting block 21 and a second connecting block 22; the first connecting block 21 is connected with the first connecting groove 11, and the second connecting block 22 is connected with the second connecting groove 31;

the upper side wall and the lower side wall of the U-shaped inner ring 1, the upper side wall and the lower side wall of the U-shaped middle ring 2, the upper side wall and the lower side wall of the U-shaped outer ring 3 are respectively provided with a plurality of brush pores, and nylon bristles are connected to the brush pores;

the U-shaped outer ring 3 is provided with a connecting hole; or,

the U-shaped middle ring 2 is provided with a first connecting hole 23, and the U-shaped outer ring 3 is provided with a second connecting hole 33.

In this embodiment, the electric toothbrush head is a U-shaped toothbrush head, and is formed by connecting a U-shaped inner ring 1, a U-shaped middle ring 2 and a U-shaped outer ring 3 together, and the electric toothbrush head is connected with an electric toothbrush through a connecting hole. The upper side wall and the lower side wall of the U-shaped inner ring 1, the upper side wall and the lower side wall of the U-shaped middle ring 2, and the upper side wall and the lower side wall of the U-shaped outer ring 3 are respectively provided with a plurality of brush pores, nylon bristles are connected to the brush pores, namely, a mechanism capable of coating the upper teeth and the lower teeth is formed, the bristles are made of nylon bristles, the softness and hardness of the bristles are moderate, and the bristles can provide comfortable use experience and have good cleaning capability. The nylon bristles can be coated on the root by the copper sheet and then implanted in a hot melting mode, and are not easy to fall off after implantation.

In view of the above-mentioned electric toothbrush head, the present utility model proposes a second embodiment, in which the upper side wall of the U-shaped inner ring 1 is inclined downward to form a first installation wall 12, the lower side wall of the U-shaped inner ring 1 is inclined upward to form a second installation wall 13, the upper side wall of the U-shaped outer ring 3 is inclined downward to form a third installation wall 32, and the lower side wall of the U-shaped outer ring 3 is inclined upward to form a fourth installation wall; a plurality of bristle holes on the upper side wall of the U-shaped inner ring 1 are formed in the first mounting wall 12, a plurality of bristle holes on the lower side wall of the U-shaped inner ring 1 are formed in the second mounting wall 13, a plurality of bristle holes on the upper side wall of the U-shaped outer ring 3 are formed in the third mounting wall 32, and a plurality of bristle holes on the lower side wall of the U-shaped outer ring 3 are formed in the fourth mounting wall.

In this embodiment, the upper side wall of the U-shaped inner ring 1, the upper side wall of the U-shaped outer ring 3, the inclined arrangement, form a U-shaped coating structure for the teeth of the upper part (the lower part is the same, and will not be repeated), and the gap of the tooth root can be cleaned better, so as to achieve a better cleaning effect for the teeth.

In view of the foregoing, the present utility model proposes a third embodiment, wherein the first mounting wall 12 and the third mounting wall 32 form an included angle of 60 degrees to 90 degrees; the second mounting wall 13 and the fourth mounting wall form an included angle of 60-90 degrees.

In this embodiment, in combination with the above embodiment, the first mounting wall 12 and the third mounting wall 32 form an included angle of 60 degrees to 90 degrees; when the included angle between the second mounting wall 13 and the fourth mounting wall is 60-90 degrees, a more reasonable U-shaped cladding structure can be formed, and better cleaning of teeth can be realized by the structure.

In view of the foregoing electric toothbrush head, a fourth embodiment of the present utility model is provided, wherein the U-shaped inner ring 1 and the U-shaped outer ring 3 are both made of TPE materials, and the U-shaped middle ring 2 is made of PE materials.

In this embodiment, the above-mentioned U-shaped inner ring 1 and U-shaped outer ring 3 directly cover teeth, i.e. contact with gums or other parts in the oral cavity, and the hardness of the TPE material is selected to be about 60A, for example, the TPE material in the range of 50A-70A, which does not hurt other parts in the oral cavity, and the wear is more comfortable. The U-shaped middle ring 2 is made of PE material with hardness slightly higher than that of TPE material (such as about 75A-85A), for example, the PE material of 80A has better shaping effect, so that the electric toothbrush head keeps U-shaped.

In view of the above electric toothbrush head, the present utility model proposes a fifth embodiment in which the first connection block 21 is heat-welded to the first connection groove 11, and the second connection block 22 is heat-welded to the second connection groove 31.

In this embodiment, the U-shaped inner ring 1, the U-shaped middle ring 2, and the U-shaped outer ring 3 are integrally fused and cured by hot melt welding. The electric toothbrush head has compact size after solidification, and improves the production efficiency and quality.

Referring to fig. 3, a sixth embodiment of the present utility model also provides a mold including: the female die 4, the male die 5 and the heating plate 6; wherein,,

the female die 4 is provided with a first heating groove, a second heating groove and a first connecting part, and the connecting part is used for fixing the female die 4; the male die 5 is provided with a first heating block and a second heating block; and a second connecting portion is provided, and the second connecting portion is used for fixing the male die 5;

the heating plate 6 is provided with a third heating block and a third heating groove, the third heating block is used for heating the female die 4, and the third heating groove is used for heating the male die 5.

In this embodiment, the die 4, the punch 5 and the heating plate 6 are all metal plates or alloy plates, and the metal plates or alloy plates have good heat transfer effect. The structures to be connected in total of the U-shaped inner ring 1, the U-shaped middle ring 2 and the U-shaped outer ring 3 include four parts, namely a first connecting groove 11, a second connecting groove 31, a first connecting block 21 and a second connecting block 22, and the specifications of the several parts are different. The first heating groove on the female die 4 is used for heating the first connecting block 21, and the second heating groove is used for heating the second connecting block 22; the first heating block on the male die 5 is used for heating the first connecting groove 11 and the second heating block is used for heating the second connecting groove 31. The third heating block on the heating plate 6 is used for heating the female die 4, the third heating block can be matched with the first heating groove or the second heating groove on the female die 4, or another heating groove is arranged on the female die 4 and matched with the female die (such as a fourth heating groove is arranged on the female die, the third heating block is matched with the fourth heating groove), the third heating groove on the heating plate 6 is used for heating the male die 5, the third heating groove can be matched with the first heating block or the second heating block on the male die 5, or another heating block is arranged on the male die 5 and matched with the male die (such as a fourth heating block is arranged on the female die, and the third heating groove is matched with the fourth heating block). It should be noted that in some embodiments, the die may be a single plate, or may be formed by joining two or three plates (stacked), and one form of die joining is not shown in fig. 3. The male die may also be a single plate or may be formed by two or three plates (stacked) joined together, a form of male die joining not shown in fig. 3.

In view of the above-described mold, the present utility model proposes a seventh embodiment in which the first heating tank and the second heating tank are arranged in a stacked manner, and the first heating block and the second heating block are arranged in a stacked manner.

In this embodiment, first heating tank and second heating tank range upon range of setting, first heating block and second heating block range upon range of setting, can save material, be favorable to guaranteeing simultaneously that first heating tank and second heating tank temperature are unanimous, first heating block and second heating block temperature are unanimous.

Referring to fig. 4, an eighth embodiment of the present utility model further provides a hot melting apparatus including the die set forth in any one of the above, and including: an operation table 7, a guide rail 71, a first moving plate 72, a second moving plate 73, a first cylinder 74, a second cylinder 75, a third cylinder 76, and a fourth cylinder 77; wherein,,

the guide rail 71 is arranged on the operating platform 7, and the guide rail 71 is movably connected with a first moving plate 72 on one side and is movably connected with a second moving plate 73 on the other side;

the first air cylinder 74 is connected to the first moving plate 72, and is used for controlling the first moving plate 72 to horizontally move; the second air cylinder 75 is connected to the second moving plate 73, and is used for controlling the second moving plate 73 to horizontally move;

the first moving plate 72 is fixedly connected with the third air cylinder 76, and the third air cylinder 76 is connected with one of the female die 4 or the male die 5 and is used for controlling the vertical movement of the female die 4 or the male die 5;

the second moving plate 73 is fixedly connected with the fourth air cylinder 77, and the fourth air cylinder 77 is connected with the other one of the female die 4 or the male die 5 for controlling the vertical movement thereof;

the heating plate is arranged between the female die 4 or the male die 5.

In this embodiment, when the above-mentioned hot melting apparatus is used, the female die 4 and the male die 5 are vertically moved and aligned with the heating plate by controlling the third air cylinder 76 and the fourth air cylinder 77, then the first air cylinder 74 and the second air cylinder 75 are controlled to horizontally move and contact the heating plate, heating is achieved, after heating to a preset temperature (for example, 200 degrees), the first air cylinder 74 and the second air cylinder 75 are controlled to horizontally move the female die 4 and the male die 5 and disengage from the heating plate, and then the third air cylinder 76 and the fourth air cylinder 77 are controlled to vertically move the female die 4 and the male die 5 to the specified positions, so that the U-shaped inner ring 1, the U-shaped middle ring 2 and the U-shaped outer ring 3 are heated for the subsequent splicing process.

A ninth embodiment of the present utility model also provides a method of manufacturing an electric toothbrush head for manufacturing an electric toothbrush head according to any one of the above, comprising:

injection molding: the TPE material is made into a U-shaped inner ring 1 and a U-shaped outer ring 3 by compression molding or injection molding, and the PE material is made into a U-shaped middle ring 2;

welding: heating the first connecting groove 11, the second connecting groove 31, the first connecting block 21 and the second connecting block 22 by a hot-melt device, and hot-melt welding the first connecting block 21 and the first connecting groove 11, and hot-melt welding the second connecting block 22 and the second connecting groove 31;

In view of the above-mentioned method for manufacturing an electric toothbrush head, a tenth embodiment is proposed, wherein the injection molding step temperature is 180 degrees to 230 degrees; the welding step temperature is 150-230 ℃.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims

1. An electric toothbrush head, the electric toothbrush head comprising: a U-shaped inner ring, a U-shaped middle ring and a U-shaped outer ring; wherein,,

the U-shaped outer ring is provided with a connecting hole; or,

2. The powered toothbrush head of claim 1, wherein: the upper side wall of the U-shaped inner ring is inclined downwards to form a first installation wall, the lower side wall of the U-shaped inner ring is inclined upwards to form a second installation wall, the upper side wall of the U-shaped outer ring is inclined downwards to form a third installation wall, and the lower side wall of the U-shaped outer ring is inclined upwards to form a fourth installation wall; the brush hair holes of the upper side wall of the U-shaped inner ring are arranged on the first mounting wall, the brush hair holes of the lower side wall of the U-shaped inner ring are arranged on the second mounting wall, the brush hair holes of the upper side wall of the U-shaped outer ring are arranged on the third mounting wall, and the brush hair holes of the lower side wall of the U-shaped outer ring are arranged on the fourth mounting wall.

3. The powered toothbrush head of claim 2, wherein: the first installation wall and the third installation wall form an included angle of 60-90 degrees; the second installation wall and the fourth installation wall form an included angle of 60-90 degrees.

4. The powered toothbrush head of claim 1, wherein: the U-shaped inner ring and the U-shaped outer ring are made of TPE materials, and the U-shaped middle ring is made of PE materials.

5. The powered toothbrush head of claim 1, wherein: the first connecting block is in hot-melt welding with the first connecting groove, and the second connecting block is in hot-melt welding with the second connecting groove.