CN214908513U

CN214908513U - Connection structure of electric toothbrush head and brush handle

Info

Publication number: CN214908513U
Application number: CN202121786272.0U
Authority: CN
Inventors: 赵茂; 朱姚青; 张健
Original assignee: Shanghai Heixian Intelligent Technology Co ltd
Current assignee: Shanghai Heixian Intelligent Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-11-30
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to an electric toothbrush technical field provides connection structure of electric toothbrush brush head and brush holder, including brush holder, brush head and pivot, one side of brush holder is connected with the brush head, and the top of brush head surface one side is equipped with the pivot, and the upper portion diameter of pivot is greater than the lower part diameter, is connected with mounting structure between the pivot department of brush head top and the brush holder, and mounting structure includes fastener and latch closure, and the latch closure is fixed in the left side of brush holder, and the latch closure is connected in pivot and brush head rotation, and the fastener has been inlayed to the inside of latch closure. The problem of current electric toothbrush clean the inside darker position department in oral cavity, because of brush head self can not rotate, need to rotate with handheld brush holder together and stretch into the oral cavity, there is certain angle difference when can resulting in brush head and tooth contact to can lead to can not fully contact between tooth and the brush head, lead to the fact the defect of the not good condition of inside cleaning effect.

Description

Connection structure of electric toothbrush head and brush handle

Technical Field

The utility model relates to the technical field of electric toothbrushes, in particular to a connecting structure of a brush head and a brush handle of an electric toothbrush.

Background

The market of the electric toothbrush is very fierced in recent years, the using amount of the electric toothbrush is very large, the electric toothbrush is loved by a plurality of people due to black technology such as ultrasonic waves and the like, and the effect of the electric toothbrush is better than that of the traditional toothbrush in the aspect of cleaning teeth;

however, the electric toothbrush still has certain defects in the using process, if the existing electric toothbrush cannot rotate at a deeper position inside the oral cavity, the electric toothbrush needs to rotate together with the handheld brush handle to extend into the oral cavity, and a certain angle difference exists between the brush head and the teeth when the brush head is contacted with the teeth, so that the teeth and the brush head cannot be fully contacted, the situation that the internal cleaning effect is poor is caused, and the connecting structure between the brush head of the electric toothbrush and the brush handle, which can rotate the brush head, is related to the prior art.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a connection structure of electric toothbrush brush head and brush holder for when solving the inside darker position department in current electric toothbrush's clean oral cavity, because of brush head self can not rotate, need together rotate with handheld brush holder and stretch into the oral cavity, there is certain angle difference when can lead to brush head and tooth contact, thereby can lead to the tooth and can not fully contact between the brush head, cause the defect of the not good condition of inside clean effect.

(II) contents of utility model

In order to solve the technical problem, the utility model provides a following technical scheme: the connection structure of the brush head and the brush handle of the electric toothbrush comprises a brush handle, a brush head and a rotating shaft, wherein one side of the brush handle is connected with the brush head;

a rotating shaft is arranged above one side of the surface of the brush head, the diameter of the upper part of the rotating shaft is larger than that of the lower part of the rotating shaft, and a mounting structure is connected between the rotating shaft above the brush head and the brush handle;

the mounting structure comprises a fastener and a ring buckle, the ring buckle is fixed on the left side of the brush handle, the ring buckle is sleeved on the rotating shaft and is rotatably connected with the brush head, and the fastener is embedded in the ring buckle.

Preferably, a clamping ring is arranged on the left side of the inner ring of the ring buckle and clamped with the lower portion of the rotating shaft, and the clamping ring can be of a U-shaped structure.

Preferably, the bottom end of the right side of the ring buckle inner ring is provided with a buckle matching groove, one side of the bottom end of the fastener is provided with a buckle part, the buckle part is buckled inside the buckle matching groove, and a clamping structure is formed between the buckle part and the buckle matching groove.

Preferably, a notch is formed in the top end of the right side of the inner ring of the ring buckle, a convex block is arranged on one side of the top end of the surface of the fastener, and the convex block is embedded into the notch.

Preferably, the right side of latch closure sets up to the arc notch, the right side laminating contact of arc notch and pivot, the arc notch on the latch closure cooperates the cladding with the snap ring at the circumference of pivot.

Preferably, both sides of the opening of the snap ring are provided with convex arc-shaped structures.

Preferably, the rotating shaft is in an inverted round table shape.

Preferably, the fastener is embedded and fixed with the ring buckle through hot melt adhesive.

Preferably, the fastener is embedded and fixed with the ring buckle through a bolt.

(III) advantageous effects

The utility model provides a, its advantage lies in:

one side of the brush handle is connected with a ring buckle, the left side of the inner ring of the ring buckle is buckled and connected with a rotating shaft on the brush head through a U-shaped ring, after the two are contacted and attached, a fastener is buckled from the upper part of the ring buckle and is embedded between the ring buckles, the arc-shaped notch at the left side of the fastener is contacted and attached with the rotating shaft, and a lug at the right side of the fastener is matched with a notch on the ring buckle so that the lug is inserted into the notch for positioning;

handle of a brush one side connection latch closure, this latch closure simple structure, the snap ring is connected to its inner circle left side below, this snap ring right side bore is less than the left side bore, for the horseshoe ring form, the pivot utilizes the narrow bore in snap ring right side to push the snap ring from the right side to left side and connects, the pivot can be changed into round platform column structure from the cylindricality body, better come to be connected with the snap ring on the latch closure, thereby guarantee pivoted flexibility, this connection has guaranteed that the pivot is connected with the snap ring stably, for further improving the connection effect between the two once more, the fastener is gone into from the top card of latch closure, the left side pivot is withstood to the fastener left side notch after the card is gone into, after the installation fastener, utilize bolt or hot melt adhesive to fix with the fastener can.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the exploded structure of the present invention;

FIG. 4 is a schematic view of the exploded partial cross-section structure of the present invention;

fig. 5 is a schematic perspective view of the present invention;

fig. 6 is a schematic front view of the cross-sectional structure of the present invention;

fig. 7 is an exploded view of the present invention;

fig. 8 is a schematic view of an exploded partial cross-sectional structure of the present invention;

fig. 9 is a schematic front sectional view of the present invention;

fig. 10 is an exploded schematic view of the present invention.

The reference numerals in the figures illustrate: 1. a brush handle; 2. a mounting structure; 201. a fastener; 202. looping; 203. a fastener; 204. an arc-shaped notch; 205. a snap fit groove; 206. a snap ring; 207. a recess; 208. a bump; 3. a brush head; 4. a rotating shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1-10, the utility model provides a connection structure of electric toothbrush brush head and brush holder, including brush holder 1, brush head 3 and pivot 4, one side of brush holder 1 is connected with brush head 3, the top of brush head 3 surface one side is equipped with pivot 4, the upper portion diameter of pivot 4 is greater than the lower part diameter, be connected with mounting structure 2 between 4 departments of pivot above brush head 3 and the brush holder 1, mounting structure 2 includes fastener 201 and latch 202, latch 202 is fixed in the left side of brush holder 1, latch 202 cover is rotated at pivot 4 and brush head 3 and is connected, fastener 201 has been inlayed to latch 202's inside, the left side of latch 202 inner circle is provided with snap ring 206, snap ring 206 and the below block of pivot 4, snap ring 206 can be U type structure.

Specifically, as shown in fig. 1 to 4, a snap-fit groove 205 is formed at the bottom end of the right side of the inner ring of the buckle 202, a buckle 203 is arranged at one side of the bottom end of the fastener 201, the buckle 203 is buckled inside the snap-fit groove 205, a buckling structure is formed between the buckle 203 and the snap-fit groove 205, a notch 207 is formed at the top end of the right side of the inner ring of the buckle 202, a protrusion 208 is arranged at one side of the top end of the surface of the fastener 201, the protrusion 208 is embedded into the notch 207, an arc-shaped notch 204 is formed at the right side of the buckle 202, the arc-shaped notch 204 is in contact with the right side of the rotating shaft 4, and the arc-shaped notch 204 on the buckle 202 and the snap ring 206 are matched and coated on the circumference of the rotating shaft 4;

after the brush handle 1 is connected with the ring buckle 202, the brush handle 1 is connected with the brush head 3 by the ring buckle 202, the snap ring 206 on the ring buckle 202 is connected with the rotating shaft 4 on the brush head 3, then the fastener 201 is embedded to fix the rotating shaft 4 and the ring buckle 202, the fastener 201 is firstly clamped into the notch 207 preset on the ring buckle 202 by the convex block 208 on one side to be positioned, then the fastener 201 is positioned by the convex block 208, the buckling piece 203 at the bottom of the fastener 201 moves to the lower side along the trend to be matched with the buckling matching groove 205 preset on one side of the bottom of the ring buckle 202, the buckling piece 203 is clamped into the buckling matching groove 205 to be clamped and fixed, the installation process of the ring buckle 202 is completed, secondary fixing is not needed by external parts, and portability is improved;

specifically, as shown in fig. 5 to 10, two sides of the opening of the snap ring 206 are both provided with a convex arc-shaped structure, the rotating shaft 4 is in an inverted circular truncated cone shape, the fastener 201 is embedded and fixed with the buckle 202 through hot melt adhesive, and the fastener 201 is embedded and fixed with the buckle 202 through a bolt;

the ring buckle 202 is connected with the brush handle 1, when in use, the ring buckle 202 is connected with the rotating shaft 4 of the brush head 3 by utilizing the snap ring 206 on the left side of the inner ring of the ring buckle 202, the rotating shaft 4 is sleeved in from the right side below the ring buckle 202 and then pushed to the snap ring 206 from the right side to the left, the rotating shaft 4 can be changed into a circular truncated cone-shaped structure from a cylindrical body, and is better connected with the snap ring 206 on the ring buckle 202 to ensure the rotating flexibility, the rotating shaft 4 is pushed to the left forcibly after being contacted with the snap ring 206, so that the lower part of the rotating shaft 4 is buckled into a large-caliber opening of the snap ring 206 for connection, under the non-artificial action, the rotating shaft 4 can be tightly buckled on the snap ring 206, then the fastening piece 201 is filled above the ring buckle 202, the rotating shaft 4 is further reinforced, and finally the fastening piece 201 can be adhered on the ring buckle 202 by utilizing bolts or hot melt adhesive.

The working principle is as follows: when the toothbrush is used, a handle loaded with a battery is connected with a toothbrush handle 1, a brush is arranged at the position of a toothbrush head 3, the toothbrush handle 1 is movably connected with a rotating shaft 4 on the toothbrush head 3 through a buckle 202, the toothbrush head is fastened through a fastener 201 after connection is finished, the fastener 201 is clamped into a notch 207 of the buckle 202 through a convex block 208 on one side, and a clamping piece 203 below the fastener 201 is connected and clamped with a clamping matching groove 205 of the buckle 202 to finish clamping and fixing;

or, the brush handle 1 is connected with the rotating shaft 4 on the brush head 3 by using the ring buckle 202, after the rotating shaft 4 is buckled with the snap ring 206 on the ring buckle 202, the fastener 201 is directly placed inside the ring buckle 202 and is fixed by a bolt or hot melt adhesive to connect the brush handle 1 with the brush head 3, in addition, the rotating shaft 4 can be changed into a round table-shaped structure from a cylindrical body and is better connected with the snap ring 206 on the ring buckle 202, thereby ensuring the flexibility of rotation;

and finally, when the brush is reused for cleaning teeth, the multi-angle adjustment can be carried out, so that the cleaning effect is improved.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. Connection structure of electric toothbrush brush head and brush holder, including brush holder (1), brush head (3) and pivot (4), its characterized in that: one side of the brush handle (1) is connected with a brush head (3);

a rotating shaft (4) is arranged above one side of the surface of the brush head (3), the diameter of the upper part of the rotating shaft (4) is larger than that of the lower part of the rotating shaft, and a mounting structure (2) is connected between the rotating shaft (4) above the brush head (3) and the brush handle (1);

mounting structure (2) are including fastener (201) and latch closure (202), the left side at brush holder (1) is fixed in latch closure (202), latch closure (202) cover is in pivot (4) and brush head (3) rotation connection, fastener (201) have been inlayed to the inside of latch closure (202).

2. The structure of claim 1 for connecting a head of an electric toothbrush to a handle, wherein: the left side of latch closure (202) inner circle is provided with snap ring (206), snap ring (206) and the below block of pivot (4), snap ring (206) are U type structure.

3. The structure of claim 1 for connecting a head of an electric toothbrush to a handle, wherein: the fastener is characterized in that a buckle matching groove (205) is formed in the bottom end of the right side of the inner ring of the ring buckle (202), a buckle piece (203) is arranged on one side of the bottom end of the fastener (201), the buckle piece (203) is buckled inside the buckle matching groove (205), and a clamping structure is formed between the buckle piece (203) and the buckle matching groove (205).

4. The structure of claim 1 for connecting a head of an electric toothbrush to a handle, wherein: the top end of the right side of the inner ring of the buckle (202) is provided with a notch (207), one side of the top end of the surface of the fastener (201) is provided with a convex block (208), and the convex block (208) is embedded into the notch (207).

5. The structure of claim 1 for connecting a head of an electric toothbrush to a handle, wherein: the right side of latch closure (202) sets up to arc notch (204), the right side laminating contact of arc notch (204) and pivot (4), arc notch (204) and snap ring (206) cooperation cladding on latch closure (202) are at the circumference of pivot (4).

6. The structure of claim 2, wherein the handle is a hollow member having a shape corresponding to the shape of the handle, and the structure comprises: and both sides of the opening of the snap ring (206) are provided with convex arc-shaped structures.

7. The connection structure of the electric toothbrush head and the handle according to claim 1 or 6, characterized in that: the rotating shaft (4) is in an inverted round table shape.

8. The connection structure of the electric toothbrush head and the handle according to claim 1 or 6, characterized in that: the fastener (201) is embedded and fixed with the ring buckle (202) through hot melt adhesive.

9. The connection structure of the electric toothbrush head and the handle according to claim 1 or 6, characterized in that: the fastener (201) is embedded and fixed with the ring buckle (202) through a bolt.