CN214549700U - Toothbrush head and electric toothbrush thereof - Google Patents

Abstract

The utility model provides a toothbrush head and electric toothbrush thereof belongs to articles for daily use technical field. It has solved the poor scheduling problem of prior art comfort level. The toothbrush head is characterized in that the toothbrush head is connected with a handle of an electric toothbrush and comprises a toothbrush rod part, a toothbrush head part and bristles. Brush head include brush hair installation face and head curved surface, the brush hair set up in the brush hair installation face, the toothbrush head can by the electric toothbrush handle driven swings around the axis of handle drive shaft, the head curved surface be the pitch arc of ellipse or perfect circle by each cross-section and extend electric toothbrush swing axis direction and mix and form, and the cross-section of brush head thickest position constitute the pitch arc, its shape is oval and elliptical minor axis in brush head thickness direction, and the major axis is in width direction simultaneously, the height dimension of surface of revolution be less than the width dimension of surface of revolution. The utility model has the advantages of high comfort, low potential safety hazard and not thick brush head thickness.

Description

Toothbrush head and electric toothbrush thereof

Technical Field

The utility model belongs to the technical field of articles for daily use, in particular to toothbrush head and electric toothbrush thereof.

Background

Along with the improvement of the living quality of people, the public attaches more and more importance to the oral health.

Tooth brushing is a good habit that people keep everyday, but the traditional toothbrush cannot meet the growing oral health consciousness of the public, so that a rotary electric toothbrush and a sound wave vibration toothbrush which have better cleaning effect than the traditional toothbrush are produced, but the current technology has defects; the existing sound wave vibration toothbrush usually causes discomfort and even potential medical safety hazards due to the fact that the toothbrush head rotates and vibrates at high frequency, the back of the brush head rod portion or the back of the head portion can collide with teeth, and the problem of discomfort and potential safety hazards is solved by the full-revolving-body brush head invented by the company.

Disclosure of Invention

The utility model aims at the above problems existing in the prior art, and provides a toothbrush head with high comfort level and capable of reducing the thickness of the toothbrush head and an electric toothbrush thereof.

The first objective of the present invention can be achieved by the following technical solutions: a toothbrush head is characterized by being connected with a handle of an electric toothbrush and comprising a brush rod part, a brush head part and bristles. Brush first face include brush hair installation face and head curved surface, the brush hair set up in the brush hair installation face, the toothbrush head can by the electric toothbrush handle driven swings around the axis of handle drive shaft, the head curved surface be the pitch arc of ellipse or perfect circle by each cross-section and extend electric toothbrush swing axis direction and mix and form, and the cross-section of brush head thickest position constitute the pitch arc, its shape is oval and elliptical minor axis in brush head thickness direction, and the major axis is at width direction simultaneously.

The utility model discloses a theory of operation: when the toothbrush head is mounted on a handle part of the sound wave vibration toothbrush in use, a power supply is turned on, the toothbrush head swings back and forth clockwise and clockwise around the axis of a driving shaft of the handle part, and under the condition that the rotation swinging angle is not large (each side is less than 15 degrees), the maximum radial displacement of the teeth or the lips at any contact point is theoretically very small (ellipse) or zero (perfect circle) because any section of the contact surface of the teeth or the lips is designed into a perfect circle or an elliptic arc shape, so that the impact of the head part surface and the rod part surface of the toothbrush head on the teeth or the lips can be greatly reduced; in addition, the cross section of the thickest position of the curved surface of the head part of the toothbrush head is in an oval shape, so that the thickness of the toothbrush head can be reduced, and a user with a small oral cavity can not feel that the toothbrush head is too thick in the use process.

In the toothbrush head, the cross section curve of the toothbrush head at the thickest position of the curved surface of the head is in an elliptic arc shape, the minor axis of the ellipse is in the thickness direction of the toothbrush head, and the major axis of the ellipse is in the width direction of the toothbrush head.

In the toothbrush head, the cross section of the toothbrush head except the thickest position of the curved surface of the head adopts a perfect circle or an ellipse according to requirements.

In the toothbrush head, the toothbrush head adopts a full-revolving-body curved surface design at the position of the toothbrush rod.

In the toothbrush head, the curved surface of the head and the curved surface of the brush rod can be finely adjusted or added with details.

In the toothbrush head, the bristles are vertically or non-vertically arranged on the bristle mounting surface.

In the toothbrush head, the toothbrush head and the toothbrush rod are of an integrally formed structure or a detachable fixed structure.

In the toothbrush head, the swinging angle of the toothbrush head is respectively 15 degrees or less clockwise.

In the toothbrush head, the outer curved surface of the toothbrush head is wrapped by the soft elastic material, and the soft elastic material is rubber, silica gel or thermoplastic elastomer.

The second objective of the present invention can be achieved by the following technical solutions: an electric toothbrush is characterized by comprising a handle and the toothbrush head connected with the handle.

In the above toothbrush, the electric toothbrush is a sonic vibration toothbrush, and the vibration direction is a reciprocating vibration around the rotation axis of the drive shaft.

Compared with the prior art, the utility model has the advantages of high comfort, low potential safety hazard and not thick brush head thickness.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the horizontal structure of the brush head of the present invention.

Fig. 3 is a schematic sectional view of the brush head of the present invention.

Fig. 4 is a schematic view of the working state of the brush head of the present invention.

In the figure, 1, a head curved surface; 2. a bristle mounting surface; 3. a brush bar section; 4. brushing; 5. a brush head portion; 6. electric toothbrush, 7, axis of rotation of the drive shaft.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, the toothbrush head comprises a brush rod part 3, a brush head part 5 and bristles 4, the brush head part 5 comprises a bristle mounting surface 2 and a head curved surface 1, the bristles 4 are arranged on the bristle mounting surface 2, the toothbrush head can be driven by the handle to swing around an axis 9 of a driving shaft, the head curved surface 1 is formed by mixing all arcs with elliptic or perfect circles in cross section along the direction of the swing axis 9 of the electric toothbrush, this hybrid curved design allows the brush head 5 to be used in situations where the sonic brush has a limited reciprocating angle (less than 15 degrees on each side), can well reduce the impact on the teeth or lips of a user, and at the thickest position of the head part of the toothbrush, the cross section of the brush head is elliptical, the minor axis of the ellipse is in the thickness direction of the brush head, while the major axis is in the width direction of the brush head, so that the thickness of the toothbrush can be designed to be relatively thin, and the toothbrush can meet the requirements of users with small oral cavities.

In further detail, the cross-sectional curve of the toothbrush head at the thickest position of the curved surface 1 of the head is in an elliptical arc shape, the minor axis of the ellipse is in the thickness direction of the toothbrush head, and the major axis of the ellipse is in the width direction of the toothbrush head.

In more detail, the cross section of the toothbrush head outside the thickest position of the curved surface 1 of the head part is in a perfect circle or an ellipse according to requirements.

In a further elaboration, the toothbrush head adopts a full-revolving-body curved surface design at the position of the brush rod.

In further detail, the curved surface of the head and the curved surface of the brush rod can be finely adjusted or the details can be added.

In further detail, the bristles 4 are vertically or non-vertically arranged on the bristle mounting surface 2, so that different cleaning requirements are met under the condition of firmly fixing the bristles, and the use experience of a user is better.

In further detail, the brush head 5 and the brush rod 3 are integrally formed or detachably fixed, so that the aims of firmness, stability, lower cost and environmental protection can be achieved respectively.

In further detail, the swing angle of the toothbrush head is 15 degrees or less, so that when the toothbrush head vibrates in a reciprocating manner, the radial displacement generated at the oval section is small, referring to fig. 4, the impact on teeth is reduced, and the comfort of a user is improved.

In a further elaboration, the curved surface of the head of the toothbrush head is wrapped by the soft elastic material, the elastic material can absorb a part of small displacement generated when the toothbrush head rotates through the self deformability, the impact is reduced, the soft elastic material is made of rubber, silica gel or thermoplastic elastomer, the soft elastic material belongs to common engineering materials, the performance is reliable, and the price is reasonable.

As shown in figure 1, the electric toothbrush 6 comprises a handle and the toothbrush head connected with the handle, and the use experience of a user is improved and the comfort is increased by adopting the design.

In a further elaboration, the electric toothbrush 6 is a sound wave vibration toothbrush, the sound wave vibration toothbrush has small abrasion to human teeth, is quieter in work, can be cleaned to the hidden parts of the teeth more easily, and is more comfortable for a user to use.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although a large number of terms are used here more, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (9)

1. The utility model provides a toothbrush head, its characterized in that for be connected with electric toothbrush's handle (8), the toothbrush head include brush pole portion (3), brush head portion (5) and brush hair (4), brush head portion (5) including brush hair installation face (2) and head curved surface (1), brush hair (4) set up in brush hair installation face (2), the toothbrush head can by electric toothbrush handle drives around the axis (7) swing of handle drive shaft, head curved surface (1) extend electric toothbrush swing axis (7) direction by each cross-section for the pitch arc of ellipse or perfect circle and mix and form, and brush head portion (5) the cross-section of thickest position constitute the pitch arc, its shape is ellipse and elliptical minor axis in brush head thickness direction, and the major axis is in brush head width direction simultaneously.

2. A toothbrush head according to claim 1 characterised in that the head is of a full body of revolution curved design at the stem (3) location.

3. A toothbrush head according to claim 1 characterised in that the curved head (1) and curved brush bar (9) surfaces are slightly adjustable or have increased detail.

4. A toothbrush head according to claim 1 characterised in that the bristles (4) are arranged on the bristle mounting surface (2) vertically or non-vertically.

5. A toothbrush head according to claim 1 characterised in that the head (5) and the shaft (3) are of integral construction or of removable attachment.

6. A toothbrush head according to claim 1 characterised in that the head oscillates through no more than 15 degrees each in a clockwise or anticlockwise direction about the axis of rotation (7) of the drive shaft.

7. A toothbrush head according to claim 1 wherein the curved outer surface of the head is formed of a soft elastomer material, the soft elastomer material being rubber, silicone or a thermoplastic elastomer.

8. An electric toothbrush comprising a handle (8) and a toothbrush head according to any one of claims 1 to 7 connected to the handle.

9. The electric toothbrush according to claim 8, characterized in that the electric toothbrush (6) is a sonic vibration toothbrush, which vibrates in a reciprocating direction about the drive shaft rotation axis (7).

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