CN214967013U

CN214967013U - Electric toothbrush pivot connection structure

Info

Publication number: CN214967013U
Application number: CN202121786199.7U
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: 2021-12-03
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to an electric toothbrush technical field provides electric toothbrush pivot connection structure, including brush head and brush holder, one side of brush holder is connected with the brush head, be connected with fixed knot between brush head and the brush holder and construct, fixed knot constructs including the connecting piece, pivot and trompil, the connecting piece sets up in one side of brush holder, the trompil has been seted up to one side on connecting piece surface, the pivot sets up in one side on brush head surface, the aperture of connecting piece surface trompil is greater than the aperture of pivot, the trompil cover is in the pivot, the top of trompil is provided with the circular block, the bottom welding of circular block has the cylinder, be provided with the inside groove in the pivot, the cylinder sets up in the inside groove. The defect that the normal use of the toothbrush is influenced due to the fact that the electric toothbrush is poor in connecting effect and the brush head and the brush handle are prone to falling off when the electric toothbrush is used is solved.

Description

Electric toothbrush pivot connection structure

Technical Field

The utility model relates to an electric toothbrush technical field, in particular to electric toothbrush pivot connection structure.

Background

The electric toothbrush is gradually accepted by the public, the market of the electric toothbrush has good development prospect in recent two years, various brands are diversified, and the quality is different, wherein the market relates to the electric toothbrush with a rotatable brush head, and the internal tooth cleaning effect can be effectively improved;

however, the connecting structure of the rotating shaft on the electric toothbrush has certain defects, the connecting effect of the existing connecting structure of the rotating shaft is poor, and the condition that the brush head and the brush handle fall off easily occurs during use, so that the normal use of the toothbrush is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing an electric toothbrush pivot connection structure for it is poor to solve current electric toothbrush connection effect, and the condition that drops between the brush head and the brush holder appears easily during the use produces, influences the defect of the normal use of toothbrush.

(II) contents of utility model

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

a fixed structure is connected between the brush head and the brush handle;

the fixed knot constructs including connecting piece, pivot and trompil, the connecting piece sets up in one side of brush holder, the trompil has been seted up to one side on connecting piece surface, the pivot sets up in one side on brush head surface.

Preferably, the aperture of the opening on the surface of the connecting piece is larger than that of the rotating shaft, and the opening is sleeved on the rotating shaft.

Preferably, a round block is arranged above the opening, a cylinder is welded at the bottom end of the round block, an inner groove is formed in the rotating shaft, and the cylinder is arranged in the inner groove.

Preferably, one side of the top end of the brush head, which is close to the round block, is designed to be a circular arc-shaped bulge.

Preferably, the circular block is fixedly connected with the inner groove through hot melt adhesive by utilizing the cylinder body.

Preferably, the surface of the cylinder at the bottom end of the circular block is provided with an external thread, the inner wall of the inner groove is provided with an internal thread matched with the external thread of the cylinder, and the cylinder is connected with the inner groove through the thread.

Preferably, the bottom of the cylinder at the bottom end of the round block is provided with a bulge, the inner wall of the inner groove is provided with a groove matched with the bulge of the cylinder, and the inner groove and the cylinder are connected in a clamping manner through the bulge and the groove.

Preferably, the left side of the connecting piece is in a semi-arc design.

(III) advantageous effects

The utility model provides an electric toothbrush pivot connection structure, its advantage lies in:

through the arrangement of the fixing structure, the rotating shaft on the surface of the brush head is connected with the brush handle, the brush handle utilizes the opening on the connecting piece at one side to align with the rotating shaft, the rotating shaft is embedded into the opening, then the round block is taken up, the column body at the bottom of the round block is embedded into the inner groove of the rotating shaft, then the column body on the round block is fixed with the inner groove by using hot melt adhesive to ensure the connection of the round block and the rotating shaft, meanwhile, the column body can be provided with a bulge, the inner part of the inner groove is provided with a groove, after the column body is embedded into the inner part of the inner groove, the bulge is clamped into the groove for fixation, the movable connection of the brush head and the brush handle is also ensured, moreover, the column body can be provided with screw threads, the inner wall of the inner groove is also provided with screw threads, so that the column body can rotate to enter the inner part of the inner groove to be connected with the screw threads, thereby fixing the connecting piece and the brush head, realizing the connection and fixation of the brush head and the brush handle and ensuring the stability of the connection process.

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 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 cross-section structure of the present invention.

The reference numerals in the figures illustrate: 1. a brush head; 2. a fixed structure; 201. a connecting member; 202. a circular block; 203. a cylinder; 204. a rotating shaft; 205. an inner tank; 206. opening a hole; 3. a brush handle.

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.

Referring to fig. 1-4, the electric toothbrush shaft connecting structure provided by the present invention comprises a brush head 1 and a brush handle 3, wherein one side of the brush handle 3 is connected with the brush head 1, a fixing structure 2 is connected between the brush head 1 and the brush handle 3, the fixing structure 2 comprises a connecting piece 201, a rotating shaft 204 and an opening 206, the connecting piece 201 is arranged at one side of the brush handle 3, the opening 206 is arranged at one side of the surface of the connecting piece 201, and the rotating shaft 204 is arranged at one side of the surface of the brush head 1;

specifically, as shown in fig. 1 to 4, the aperture of the opening 206 on the surface of the connecting member 201 is larger than the aperture of the rotating shaft 204, the opening 206 is sleeved on the rotating shaft 204, the inside of the rotating shaft 204 adopts a hollow design, the inner wall of the rotating shaft 204 is provided with an inner groove 205, a circular block 202 is arranged above the opening 206, one side of the top end of the brush head 1 close to the circular block 202 is in an arc-shaped convex design, the bottom end of the circular block 202 is welded with a cylinder 203, the rotating shaft 204 is provided with the inner groove 205, the cylinder 203 is arranged in the inner groove 205, the circular block 202 is fixedly connected with the inner groove 205 through hot melt adhesive by using the cylinder 203, the surface of the cylinder 203 at the bottom end of the circular block 202 is provided with an external thread, the inner wall of the inner groove 205 is provided with an internal thread matched with the external thread of the cylinder 203, the cylinder 203 is connected with the inner groove 205 through a thread, the bottom end of the circular block 202 is provided with a protrusion matched with a groove, the inner groove 205 is connected with the column 203 through the convex and concave clamping, and the left side of the connecting piece 201 is designed into an arc shape;

the brush handle 3 is connected and fastened with the rotating shaft 204 of the brush head 1 by the connecting piece 201, then the round block 202 and the column 203 at the bottom are embedded into the inner groove 205 of the rotating shaft 204, and then are bonded by hot melt adhesive and the like, so as to improve the stability, meanwhile, the bottom of the column 203 can be provided with a bulge, the inner part of the inner groove 205 is provided with a groove, the column 203 and the inner groove 205 are connected by the clamping of the bulge and the groove, furthermore, the surface of the column 203 can be provided with a thread, the inner wall of the inner groove 205 is also provided with a thread, and the thread of the column 203 is connected with the inner groove 205 by the thread, at this time, the connection between the brush head 1 and the brush handle 3 is finished, so that the rotation adjustment between the brush head 1 and the brush handle 3 can be carried out.

The working principle is as follows: the brush handle 3 is connected with the brush head 1 through a connecting piece 201, the connecting piece 201 is sleeved on a rotating shaft 204 of the brush head 1, and the round block 202 and a cylinder 203 on the round block are embedded from the connecting piece 201, enter an inner groove 205 of the rotating shaft 204 and are fixed by hot melt adhesive;

or, the surface of the cylinder 203 is provided with a protrusion, the inner wall of the inner groove 205 is provided with a groove, and the cylinder 203 and the inner groove 205 are fixed by fixing the groove and the protrusion;

or, the surface of the column 203 can be provided with threads, and the inner wall of the inner groove 205 is also provided with threads, so that the brush head 1 and the brush handle 3 can be connected through the threads, and the brush head 1 can be driven to rotate to adjust the position of the brush head 1 in the oral cavity.

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

a fixed structure (2) is connected between the brush head (1) and the brush handle (3);

fixed knot constructs (2) including connecting piece (201), pivot (204) and trompil (206), connecting piece (201) sets up in one side of brush holder (3), trompil (206) have been seted up to one side on connecting piece (201) surface, pivot (204) set up in one side on brush head (1) surface.

2. The electric toothbrush rotating shaft connecting structure according to claim 1, wherein: the aperture of the surface opening (206) of the connecting piece (201) is larger than that of the rotating shaft (204), and the opening (206) is sleeved on the rotating shaft (204).

3. The electric toothbrush rotating shaft connecting structure according to claim 1, wherein: a round block (202) is arranged above the opening (206), a cylinder (203) is welded at the bottom end of the round block (202), an inner groove (205) is formed in the rotating shaft (204), and the cylinder (203) is arranged in the inner groove (205).

4. The electric toothbrush rotating shaft connecting structure according to claim 3, wherein: one side of the top end of the brush head (1) close to the round block (202) is designed to be an arc-shaped bulge.

5. The electric toothbrush rotating shaft connecting structure according to claim 3, wherein: the circular block (202) is fixedly connected with the inner groove (205) through hot melt adhesive by utilizing the cylinder body (203).

6. The electric toothbrush rotating shaft connecting structure according to claim 3, wherein: the surface of the cylinder (203) at the bottom end of the circular block (202) is provided with external threads, the inner wall of the inner groove (205) is provided with internal threads matched with the external threads of the cylinder (203), and the cylinder (203) is connected with the inner groove (205) through the threads.

7. The electric toothbrush rotating shaft connecting structure according to claim 3, wherein: the bottom of the cylinder (203) at the bottom end of the round block (202) is provided with a bulge, the inner wall of the inner groove (205) is provided with a groove matched with the bulge of the cylinder (203), and the inner groove (205) is connected with the cylinder (203) through the bulge and the groove in a clamping manner.

8. The electric toothbrush rotating shaft connecting structure according to claim 3, wherein: the left side of the connecting piece (201) is designed in an arc shape.