CN220037435U

CN220037435U - Waterproof ring and electric toothbrush

Info

Publication number: CN220037435U
Application number: CN202321280089.2U
Authority: CN
Inventors: 张锋; 蔡宜运; 李冬保
Original assignee: Ruishengte Technology Shenzhen Co ltd
Current assignee: Ruishengte Technology Shenzhen Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-11-17
Anticipated expiration: 2033-05-24

Abstract

The utility model relates to the technical field of electric toothbrush waterproofing, and discloses a waterproof ring and an electric toothbrush, comprising: the waterproof ring comprises a ring body with an inner cavity, wherein a first waterproof bulge and a second waterproof bulge are arranged on the outer side of the ring body, and a first waterproof groove is formed in the other end of the ring body, opposite to the first waterproof bulge. The outside through the circle body is equipped with first waterproof protruding and the waterproof protruding of second, and the circle body is equipped with first waterproof recess for the bellied other end of first waterproof, and then provides a waterproof circle, has triple waterproof construction, has promoted the waterproof performance of waterproof circle.

Description

Waterproof ring and electric toothbrush

Technical Field

The utility model relates to the technical field of electric toothbrush waterproofing, in particular to a waterproof ring and an electric toothbrush.

Background

Along with the improvement of the living standard of people, the importance degree of oral health is higher and higher. The electric toothbrush has the advantages of strong cleaning capability, convenience, practicability, capability of reducing damage to teeth or gums, and the like, and the popularity is increasing.

In the prior art, an electric toothbrush comprises a handle and a replaceable brush head, a driving shaft for driving the brush head to swing is embedded in the handle, and a waterproof ring for waterproof of the electric toothbrush is arranged on the handle. However, the waterproof structure of the waterproof ring is limited, and after long-term use, the waterproof performance of the waterproof ring is reduced, so that water enters the electric toothbrush, and the normal use of the electric toothbrush is affected.

Therefore, how to provide a waterproof ring and an electric toothbrush to improve the waterproof performance of the waterproof ring is a technical problem to be solved.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a waterproof ring and an electric toothbrush so as to improve the waterproof performance of the waterproof ring.

To this end, according to a first aspect, an embodiment of the utility model discloses a waterproof ring comprising: the waterproof ring comprises a ring body with an inner cavity, wherein a first waterproof bulge and a second waterproof bulge are arranged on the outer side of the ring body, and a first waterproof groove is formed in the other end of the ring body, opposite to the first waterproof bulge.

The utility model further provides that the first waterproof bulge and the second waterproof bulge are both annularly arranged.

The utility model further provides that the wall surfaces of the first waterproof bulge and the second waterproof bulge are arc-shaped.

The utility model further provides that the ring body, the first waterproof bulge and the second waterproof bulge are of an integrated structure.

The utility model further provides that the ring body, the first waterproof bulge and the second waterproof bulge are all made of silica gel materials.

The utility model is further arranged that the cavity comprises a first cavity, a second cavity and a third cavity which are sequentially communicated, and the cross sections of the first cavity, the second cavity and the third cavity are circularly arranged.

The utility model is further arranged that the inner diameter of the first cavity is smaller than the inner diameter of the second cavity, and the inner diameter of the second cavity is smaller than the inner diameter of the third cavity.

The utility model is further arranged that an arc chamfer is arranged at the opening of the third cavity.

The utility model is further arranged that the inner bottom wall of the first waterproof groove is arranged in a plane.

According to a first aspect, an embodiment of the present utility model discloses an electric toothbrush comprising: handle shell, mounting bracket, drive shaft and waterproof circle according to first aspect, the drive shaft passes the mounting bracket, waterproof circle with the mounting bracket cup joints, the handle shell be equipped with the inner ring of first waterproof recess butt, first waterproof protruding with the inner wall butt of handle shell of second.

The utility model has the following beneficial effects: the outside through the circle body is equipped with first waterproof protruding and the waterproof protruding of second, and the circle body is equipped with first waterproof recess for the bellied other end of first waterproof, and then provides a waterproof circle, has triple waterproof construction, has promoted the waterproof performance of waterproof circle.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a waterproof ring disclosed in this embodiment;

fig. 2 is a schematic top view of a waterproof ring disclosed in this embodiment;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;

fig. 4 is a schematic view showing a semi-sectional structure of a waterproof ring disclosed in this embodiment;

fig. 5 is a schematic view showing a partial sectional structure of an electric toothbrush according to the present embodiment.

Reference numerals: 10. a waterproof ring; 11. a ring body; 12. a first waterproof protrusion; 13. a second waterproof protrusion; 14. a first waterproof groove; 15. a cavity; 151. a first cavity; 152. a second cavity; 153. a third cavity; 1531. arc chamfering; 20. a handle housing; 21. an inner ring; 30. a mounting frame; 40. a drive shaft.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

According to a first aspect, an embodiment of the present utility model discloses a waterproof ring 10, as shown in fig. 1 to 4, comprising: the ring body 11 with the internal cavity 15, the outside of the ring body 11 is provided with a first waterproof bulge 12 and a second waterproof bulge 13, and the other end of the ring body 11 opposite to the first waterproof bulge 12 is provided with a first waterproof groove 14.

It should be noted that, the outer side of the ring body 11 is provided with the first waterproof protrusion 12 and the second waterproof protrusion 13, and the other end of the ring body 11 opposite to the first waterproof protrusion 12 is provided with the first waterproof groove 14, so as to provide the waterproof ring 10, which has a triple waterproof structure, and improves the waterproof performance of the waterproof ring 10.

As shown in fig. 1 to 4, the first waterproof projection 12 and the second waterproof projection 13 are each provided in a ring shape.

As shown in fig. 3 and 4, the wall surfaces of the first waterproof projection 12 and the second waterproof projection 13 are each provided in an arc shape. It should be noted that, because the wall surfaces of the first waterproof protrusion 12 and the second waterproof protrusion 13 are all arc-shaped, the first waterproof protrusion 12 and the second waterproof protrusion 13 can effectively abut against the inner wall of the electric toothbrush to effectively prevent water.

As shown in fig. 3 and 4, the ring body 11, the first waterproof protrusion 12, and the second waterproof protrusion 13 are integrally formed.

As shown in fig. 3 and 4, the ring body 11, the first waterproof protrusions 12 and the second waterproof protrusions 13 are all made of a silicone material.

As shown in fig. 3 and 4, the cavity 15 includes a first cavity 151, a second cavity 152, and a third cavity 153 that are sequentially disposed through each other, and cross sections of the first cavity 151, the second cavity 152, and the third cavity 153 are disposed in a circular shape.

As shown in fig. 3 and 4, the inner diameter of the first cavity 151 is smaller than the inner diameter of the second cavity 152, and the inner diameter of the second cavity 152 is smaller than the inner diameter of the third cavity 153. It should be noted that, since the inner diameter of the first cavity 151 is smaller than the inner diameter of the second cavity 152, the inner diameter of the second cavity 152 is smaller than the inner diameter of the third cavity 153, so that the waterproof ring 10 is conveniently sleeved on the mounting frame 30.

As shown in fig. 3 and 4, an arc-shaped chamfer 1531 is provided at the opening of the third cavity 153. It should be noted that, since the opening of the third cavity 153 is provided with the arc-shaped chamfer 1531, the waterproof ring 10 is convenient to be installed.

As shown in fig. 3 and 4, the inner bottom wall of the first waterproof groove 14 is provided in a plane.

Working principle: through the outside of circle body 11 is equipped with first waterproof protruding 12 and the waterproof protruding 13 of second, and circle body 11 is equipped with first waterproof recess 14 for the other end of first waterproof protruding 12, and then provides a waterproof circle 10, has triple waterproof structure, has promoted waterproof performance of waterproof circle 10.

According to a first aspect, an embodiment of the present utility model discloses an electric toothbrush, as shown in fig. 3 and 5, comprising: the handle shell 20, the mounting bracket 30, the driving shaft 40 and the waterproof ring 10 according to the first aspect, the driving shaft 40 passes through the mounting bracket 30, the waterproof ring 10 is sleeved with the mounting bracket 30, the handle shell 20 is provided with an inner ring 21 which is abutted with the first waterproof groove 14, and the first waterproof bulge 12 and the second waterproof bulge 13 are abutted with the inner wall of the handle shell 20.

It should be noted that the waterproof ring 10 plays a role in waterproofing, and the first waterproof protrusion 12, the second waterproof protrusion 13 and the first waterproof groove 14 can realize waterproofing, and effectively waterproof the electric toothbrush through the triple waterproof structure of the waterproof ring 10.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A waterproof ring, comprising: the waterproof ring comprises a ring body (11) with an inner cavity (15), wherein a first waterproof bulge (12) and a second waterproof bulge (13) are arranged on the outer side of the ring body (11), and a first waterproof groove (14) is formed in the other end of the ring body (11) opposite to the first waterproof bulge (12).

2. The waterproof ring according to claim 1, characterized in that the first waterproof bulge (12) and the second waterproof bulge (13) are both arranged in a ring shape.

3. The waterproof ring according to claim 2, characterized in that the walls of the first waterproof bulge (12) and the second waterproof bulge (13) are each arranged in an arc shape.

4. A waterproof ring according to any one of claims 1-3, characterized in that the ring body (11), the first waterproof protrusions (12) and the second waterproof protrusions (13) are of an integrally formed structure.

5. The waterproof ring according to claim 4, characterized in that the ring body (11), the first waterproof protrusions (12) and the second waterproof protrusions (13) are all made of a silicone material.

6. The waterproof ring according to claim 1, wherein the cavity (15) comprises a first cavity (151), a second cavity (152) and a third cavity (153) which are sequentially arranged in a penetrating manner, and the cross sections of the first cavity (151), the second cavity (152) and the third cavity (153) are circularly arranged.

7. The waterproof ring according to claim 6, wherein the inner diameter of the first cavity (151) is smaller than the inner diameter of the second cavity (152), the inner diameter of the second cavity (152) being smaller than the inner diameter of the third cavity (153).

8. The waterproof ring according to claim 6 or 7, characterized in that the opening of the third cavity (153) is provided with an arc chamfer (1531).

9. The waterproofing membrane according to claim 1, wherein the inner bottom wall of the first waterproofing groove (14) is provided in a planar shape.

10. An electric toothbrush, comprising: handle shell (20), mounting bracket (30), drive shaft (40) and waterproof circle (10) according to any one of claims 1-9, drive shaft (40) pass mounting bracket (30), waterproof circle (10) with mounting bracket (30) cup joint, handle shell (20) be equipped with inner ring (21) of first waterproof recess (14) butt, first waterproof protruding (12) with second waterproof protruding (13) all with the inner wall butt of handle shell (20).