CN220833209U

CN220833209U - Electric toothbrush handle

Info

Publication number: CN220833209U
Application number: CN202322399892.4U
Authority: CN
Inventors: 陈决源; 郑斯通
Original assignee: Aiyuan Health Technology Xiamen Co ltd
Current assignee: Aiyuan Health Technology Xiamen Co ltd
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-04-26
Anticipated expiration: 2033-09-05

Abstract

The utility model relates to the field of electric toothbrushes, in particular to an electric toothbrush handle, which comprises a handle body, wherein an installing support and a driving component are fixed in the handle body, a connecting piece is arranged between the top of the driving component and the top of the installing support, the driving component extends downwards to the inside of the installing support, the side wall and the bottom of the driving component are arranged at intervals between the installing support, a vibrating shaft is fixed at the top of the driving component, a sealing piece is arranged at the top of the handle body, the vibrating shaft extends upwards through the connecting piece and the sealing piece, the sealing piece covers the connecting piece, the vibrating shaft is inserted on the driving component, the driving component drives the vibrating shaft to vibrate, only the top is connected between the driving component and the installing support in the vibration process, gaps are reserved on the side face and the bottom face, and kinetic energy of the driving component can be effectively transmitted to the vibrating shaft, and kinetic energy loss is reduced. Meanwhile, vibration of the handle body is reduced, and influence on use feeling is avoided.

Description

Electric toothbrush handle

Technical Field

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

Background

The electric toothbrush handle is characterized in that the brush head generates high-frequency vibration through the rapid rotation or vibration of the motor core, toothpaste is instantaneously decomposed into fine foam, tooth gaps are deeply cleaned, and the electric toothbrush handle has two main types in principle: rotation and vibration. The rotating toothbrush has simple principle, namely the motor drives the round brush head to rotate, the friction effect is enhanced while the common tooth brushing action is executed, the rotating toothbrush has large strength, the tooth surface is cleaned very cleanly, and the tooth gap cleaning is relatively weaker. The application number is 202320044971.0, in patent name is a waterproof construction and electric toothbrush's the utility model patent, disclose an electric toothbrush including brush holder, actuating mechanism and sealed external member, wherein actuating mechanism can be vibrating motor, sonic motor, direct current micromotor, brushless direct current motor, brush gear motor, hollow cup motor etc. this structure actuating mechanism is located the handle, and closely laminate with the handle inner wall, the vibration moment of motor output can't effectually transmit to the brush hair position, and the handle shock sense is obvious simultaneously, influences the use experience.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides the electric toothbrush handle, which can solve the technical problems that the vibration moment cannot be effectively transmitted to the bristle position due to the close fit between the conventional electric toothbrush motor and the inner wall of the handle, and meanwhile, the handle has obvious vibration feeling, so that the use is influenced.

In order to solve the technical problems, the utility model provides the following technical scheme:

The utility model provides an electric toothbrush handle, includes the handle body, this internal installing support and the actuating assembly of being fixed with of handle, be provided with the connecting piece between the top of actuating assembly and the top of installing support, actuating assembly downwardly extending to the inside of installing support, the interval sets up between actuating assembly's lateral wall and bottom and the installing support, actuating assembly's top is fixed with the vibration axle, handle body's top is provided with the sealing member, the vibration axle passes connecting piece and sealing member upward extension, the sealing member lid closes on the connecting piece.

Further, the drive assembly comprises a drive frame and a drive motor, wherein the bottom of the drive frame is provided with a mounting position, the drive motor is embedded in the mounting position, a slot is formed in the top of the drive frame, and the vibration shaft is inserted in the slot.

Further, the connecting piece comprises a damping shock absorption piece and a supporting piece, the supporting piece is supported by the mounting bracket, the damping shock absorption piece is embedded between the mounting bracket and the supporting piece, and the sealing piece covers the supporting piece.

Further, the top both sides of the driving frame are provided with outwardly protruding inserting blocks, the damping shock absorbing member is provided with inserting holes, and the driving frame is inserted on the damping shock absorbing member through the inserting blocks and the inserting holes.

Further, the bottom surface of the plug block and the bottom surface of the inner wall of the jack are both arc curved surfaces, and the opening size of the jack is larger than that of the plug block.

Further, the outer side face of the damping vibration absorbing piece is provided with an outwards protruding lug, the top of the mounting bracket is provided with an inwards concave groove, and the lug is embedded in the groove.

Further, the sealing member includes first vertical portion, the second vertical portion that first horizontal portion and interval set up, first horizontal portion connects between the top of first vertical portion and second vertical portion, the inner wall of first vertical portion and handle body closely laminates, the second vertical portion closely laminates with the vibrations axle, the center of support piece upwards extends to between first vertical portion and the second vertical portion to laminate mutually with the inner wall of first vertical portion.

Further, be provided with a plurality of sealed bulge loops on the lateral surface of first vertical portion, interference fit between the inner wall of sealed bulge loop and handle body, be provided with the spacing bulge loop of outside arch on the second vertical portion, the annular has been seted up on the oscillating axle, spacing bulge loop inlays and establishes in the annular.

Further, the sealing member further comprises a second horizontal portion, the second horizontal portion is fixed at the bottom of the first horizontal portion and extends outwards, and the second horizontal portion is embedded between the handle body and the supporting member.

Further, a circuit board is fixed on the mounting bracket, a first button is arranged on the circuit board, and the first button penetrates through the mounting bracket and is arranged at intervals with the driving frame.

The beneficial effects of the utility model are as follows:

In this scheme, the vibrations axle is pegged graft on actuating component, and actuating component drive vibrations axle vibrates, only carries out the top between actuating component and the installing support and is connected, and side and bottom surface all have the clearance, and actuating component's kinetic energy can effectually be transmitted to on the vibrations axle, reduces kinetic energy loss. Meanwhile, vibration of the handle body is reduced, and influence on use feeling is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of a handle of an electric toothbrush according to the present utility model;

FIG. 2 is a schematic view of a first cross-sectional structure of a handle of an electric toothbrush according to the present utility model;

FIG. 3 is an enlarged schematic view of a section A of the handle of the electric toothbrush according to the utility model;

FIG. 4 is an exploded view of a portion of the structure of the handle of the electric toothbrush of the present utility model;

FIG. 5 is a schematic view of the drive rack structure of the handle of the electric toothbrush according to the present utility model;

FIG. 6 is a schematic view of the seal structure of the handle of the electric toothbrush of the present utility model;

Fig. 7 is a schematic view showing a second cross-sectional structure of the handle of the electric toothbrush according to the present utility model.

The reference numerals in the above description are as follows:

1. A handle body;

2. A mounting bracket; 201. a step portion; 202. a groove; 203. a yielding channel;

3. A drive assembly; 301. a drive rack; 3011. a mounting position; 3012. a mounting opening; 3013. a circular arc baffle; 3014. a slot; 3015. inserting blocks; 302. a driving motor;

4. A connecting piece; 401. damping vibration absorbing members; 4011. a mounting cylinder; 4012. a jack; 4013. convex eaves; 4014. a bump; 402. a support; 4021. an annular plate; 4022. a support cylinder;

5. a vibration shaft; 501. a ring groove;

6. A seal; 601. a first vertical portion; 6011. sealing the convex ring; 602. a second vertical portion; 6021. a limit convex ring; 603. a first horizontal portion; 604. a second horizontal portion;

7. A battery;

8. A circuit board; 801. a first button.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the present utility model provides an electric toothbrush handle, which comprises a handle body 1, wherein a mounting bracket 2 and a driving assembly 3 are fixed in the handle body 1, and a connecting piece 4 is arranged between the top of the driving assembly 3 and the top of the mounting bracket 2. The drive assembly 3 extends downwardly into the interior of the mounting bracket 2 with the side walls and bottom of the drive assembly 3 being spaced from the mounting bracket 2. The top of drive assembly 3 is fixed with oscillating axle 5, carries out top fixed connection through connecting piece 4 between drive assembly 3 and the installing support 2, and has the interval between drive assembly 3 side and the bottom and the installation, and drive assembly 3 drive oscillating axle 5 vibrates, and drive assembly 3's kinetic energy can effectually transmit for oscillating axle 5, avoids driving installing support 2 and handle and vibrates, causes kinetic energy loss, influences the use experience. The top of the handle body 1 is provided with a sealing member 6, the vibration shaft 5 extends upwards through the connecting member 4 and the sealing member 6, and the sealing member 6 covers the connecting member 4. The sealing member 6 seals the handle top opening, preventing external moisture from entering the interior of the handle through the handle top opening. The bottom of the mounting bracket 2 is fixed with a battery 7, and the battery 7 is electrically connected with the driving assembly 3 to supply power for the driving assembly 3.

The drive assembly 3 comprises a drive rack 301 and a drive motor 302, in this embodiment the drive motor 302 being a hollow cup motor. The bottom of the driving frame 301 is provided with a mounting position 3011, and the driving motor 302 is embedded in the mounting position 3011. In this embodiment, the driving frame 301 is located and has seted up the installation opening 3012 on the installation position 3011, be fixed with circular arc baffle 3013 on the installation opening 3012, driving motor 302 inlays to be established in the installation position 3011 through the installation opening 3012, and circular arc baffle 3013 carries out spacingly to driving motor 302, guarantees that driving motor 302 can closely laminate with driving frame 301, transmission kinetic energy that can be better. The top of the driving frame 301 is provided with a slot 3014, and the vibration shaft 5 is inserted into the slot 3014.

The connecting piece 4 comprises a damping shock absorber 401 and a supporting piece 402, the supporting piece 402 is supported by the mounting bracket 2, the damping shock absorber 401 is embedded between the mounting bracket 2 and the supporting piece 402, and the sealing piece 6 covers the supporting piece 402. In this embodiment, the outer side surface of the damping vibration attenuation member 401 is provided with an outwardly protruding bump 4014, the top of the mounting bracket 2 is provided with an inwardly recessed groove 202, the bump 4014 is embedded in the groove 202, and the groove 202 limits the bump 4014, so that the stability of the installation of the damping vibration attenuation member 401 on the mounting bracket 2 is ensured. The damping mount 401 extends down between the mounting bracket 2 and the drive frame 301. In this embodiment, the inner side of the mounting bracket 2 is provided with a step portion 201, the bottom of the damping and shock absorbing member 401 is provided with a mounting cylinder 4011 extending downward, and the diameter of the mounting cylinder 4011 is smaller, forming a step region matching the shape of the step portion 201. The damping vibration absorbing member 401 is inserted into the mounting bracket 2 and closely attached to each other through the stepped portion 201 and the stepped region. In this embodiment, the top of the damping damper 401 is provided with an outwardly extending flange 4013, and the top of the mounting bracket 2 is in abutting contact with the bottom surface of the flange 4013. And, the top of damping shock attenuation piece 401 is higher than the top of drive frame 301, and damping shock attenuation piece 401 furthest surrounds the top of drive frame 301, separates between drive frame 301 and the installing support 2, reduces the vibrations transmission between drive frame 301 and the installing support 2 to reduce wearing and tearing and the noise between installing support 2 and drive frame 301, improve life and use experience, reduce the kinetic energy loss of drive frame 301.

The support 402 includes a horizontally disposed annular plate 4021, the center of the annular plate 4021 extending upward to form a support cylinder 4022, and a vibration handle extending outward through the support cylinder 4022. The annular plate 4021 is attached to the flange 4013 of the damping damper 401, and applies a downward limiting force to the damping damper 401, and cooperates with the mounting bracket 2 to ensure stability of the damping damper 401.

The two sides of the top of the driving frame 301 are provided with outwardly protruding inserting blocks 3015, the damping shock absorbing member 401 is provided with inserting holes 4012, the driving frame 301 extends downwards through the mounting cylinder 4011 and is inserted into the damping shock absorbing member 401 through the inserting blocks 3015 and the inserting holes 4012. In this embodiment, the positions of the jack 4012 and the bump 4014 correspond to each other, the bump 4014 effectively prolongs the length of the jack 4012, increases the contact area between the jack 4012 and the plug 3015, and ensures the stability of the plug connection between the jack 4012 and the plug 3015. The bottom surface of the insert block 3015 and the bottom surface of the inner wall of the insertion hole 4012 are both arc curved surfaces, and the opening size of the insertion hole 4012 is larger than the size of the insert block 3015. The plug 3015 and the jack 4012 are mutually attached through the arc curved surface, meanwhile, the plug 3015 is located in a specific and certain movable space in the jack 4012, in the vibration process, the jack 4012 ensures the freedom degree of the plug 3015 to the maximum extent, the kinetic energy of the driving frame 301 can be better transferred to the vibration shaft 5, the kinetic energy transfer efficiency is improved, meanwhile, the vibration of the connecting piece 4 is reduced, the vibration of the handle is reduced, and the use experience is enhanced.

In this embodiment, the sealing element 6 is a silicone sealing element 6 or other sealing elements 6 with certain flexibility, and the sealing element 6 includes a first horizontal portion 603, a second horizontal portion 604, and a first vertical portion 601 and a second vertical portion 602 that are disposed at intervals, where the first horizontal portion 603 is connected between the top portions of the first vertical portion 601 and the second vertical portion 602, and connects the first vertical portion 601 and the second vertical portion 602. The first vertical portion 601 is closely attached to the inner wall of the handle body 1, the second vertical portion 602 is closely attached to the vibration shaft 5, the first vertical portion 601 ensures that external moisture cannot enter the handle body 1 from between the first vertical portion 601 and the handle body 1, the second vertical portion 602 ensures that external moisture cannot enter the handle body 1 from between the second vertical portion 602 and the vibration shaft 5, and the handle body 1 is guaranteed to have good waterproof performance. In the present embodiment, the support tube 4022 extends upward between the first vertical part 601 and the second vertical part 602, and the support tube 4022 is fitted to the inner wall of the first vertical part 601. The force applied to the first vertical portion 601 by the support tube 4022 toward the inner wall of the handle body 1 ensures tightness of the fit between the first vertical portion 601 and the inner wall of the handle body 1, thereby ensuring that the seal 6 has a good sealing effect.

A plurality of sealing convex rings 6011 are arranged on the outer side surface of the first vertical part 601, and the sealing convex rings 6011 are in interference fit with the inner wall of the handle body 1; the second vertical portion 602 is provided with an outwards protruding limiting convex ring 6021, the vibration shaft 5 is provided with a ring groove 501, the limiting convex ring 6021 is embedded in the ring groove 501, and the limiting convex ring 6021 is in interference fit with the ring groove 501. The sealing convex ring 6011 is tightly attached between the inner walls of the handle body 1, and simultaneously applies the acting force to the first vertical part 601 towards the direction of the supporting cylinder 4022, further ensures the tightness of attaching between the first vertical part 601 and the outer side surface of the supporting cylinder 4022, and the limiting convex ring 6021 is tightly attached to the annular groove 501, and simultaneously applies the acting force to the second vertical part 602 towards the direction of the supporting cylinder 4022, further ensures the tightness of attaching between the second vertical part 602 and the inner side surface of the supporting cylinder 4022, so as to achieve better waterproof effect.

The second horizontal portion 604 is fixed to the bottom of the first horizontal portion 603 and extends outward, and the second horizontal portion 604 is embedded between the handle body 1 and the support member. In this embodiment, the first vertical portion 601, the second vertical portion 602, the first horizontal portion 603, and the second horizontal portion 604 are integrally formed. The second horizontal part 604, the supporting part 402, the damping vibration absorbing part 401 and the mounting bracket 2 are in interference fit in the handle body 1, namely the second horizontal part 604, the annular plate 4021, the convex eave 4013, the convex block 4014 and the mounting bracket 2 are in interference fit in the handle body 1, so that the stability of each part in the handle body 1 is ensured.

The mounting bracket 2 is fixed with a circuit board 8, and the circuit board 8 is provided with a first button which passes through the mounting bracket 2 and is arranged at intervals with the driving frame 301. In this embodiment, the mounting bracket 2 is provided with a yielding channel 203, the yielding channel 203 and the bottom end of the driving frame 301 are located on the same horizontal line, and the circuit board 8 covers the yielding channel 203. The first button is embedded in the abdication channel 203, and protrudes out of the abdication channel 203 and extends to one side of the driving frame 301, and the first button and the driving frame 301 are arranged at intervals. The first button is electrically connected with the vibration control unit on the circuit board 8. In use, the vibration shaft 5 is inclined backward by the thrust of the teeth, the mounting bracket 2 forms a fulcrum with the upper end of the driving frame 301, the reaction force received by the vibration shaft 5 is transmitted to the lower end of the driving frame 301, and the lower end of the driving frame 301 is inclined toward the first button. When the force of brushing teeth of a user is too large, the inclination angle of the vibration shaft 5 is increased, a lever is formed to enable the drive frame 301 to press the first button in a single mode, the circuit board 8 receives an electric signal transmitted by the first button, the force of brushing teeth of the user is judged to be too large, the drive motor 302 is further controlled to reduce power, slight vibration is carried out, and teeth and gums of the user are prevented from being damaged.

When the vibration device is used, the vibration shaft 5 is inserted into the driving frame 301, the driving motor 302 on the driving frame 301 drives the driving frame 301 to vibrate, so that the vibration shaft 5 is driven to vibrate, in the vibration process, only the top connection is performed between the driving frame 301 and the mounting bracket 2, gaps are formed in the side face and the bottom face, kinetic energy on the driving frame 301 can be effectively transferred to the vibration shaft 5, and kinetic energy loss is reduced. Meanwhile, the vibration of the handle body 1 is reduced, and the influence on the use feeling is avoided.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an electric toothbrush handle, its characterized in that, includes the handle body, this internal installing support and the actuating assembly of being fixed with of handle, be provided with the connecting piece between the top of actuating assembly and the top of installing support, actuating assembly downwardly extending to the inside of installing support, the interval sets up between actuating assembly's lateral wall and bottom and the installing support, actuating assembly's top is fixed with the vibration axle, handle body's top is provided with the sealing member, vibration axle passes connecting piece and sealing member upward extension, the sealing member lid closes on the connecting piece.

2. An electric toothbrush handle as claimed in claim 1, wherein: the driving assembly comprises a driving frame and a driving motor, wherein the bottom of the driving frame is provided with a mounting position, the driving motor is embedded in the mounting position, a slot is formed in the top of the driving frame, and the vibration shaft is inserted in the slot.

3. An electric toothbrush handle as claimed in claim 2, wherein: the connecting piece comprises a damping shock absorption piece and a supporting piece, the supporting piece is supported by the mounting bracket, the damping shock absorption piece is embedded between the mounting bracket and the supporting piece, and the sealing piece covers the supporting piece.

4. A powered toothbrush handle as defined in claim 3, wherein: the top both sides of the driving frame are provided with outwardly protruding inserting blocks, the damping shock absorbing member is provided with inserting holes, and the driving frame is inserted on the damping shock absorbing member through the inserting blocks and the inserting holes.

5. An electric toothbrush handle as claimed in claim 4, wherein: the bottom surface of the plug block and the bottom surface of the inner wall of the jack are both arc curved surfaces, and the opening size of the jack is larger than that of the plug block.

6. A powered toothbrush handle as defined in claim 3, wherein: the damping device comprises a damping vibration absorbing piece, wherein a convex block protruding outwards is arranged on the outer side face of the damping vibration absorbing piece, an inwards concave groove is formed in the top of the mounting bracket, and the convex block is embedded in the groove.

7. A powered toothbrush handle as defined in claim 3, wherein: the sealing element comprises a first horizontal part, a first vertical part and a second vertical part, wherein the first vertical part and the second vertical part are arranged at intervals, the first horizontal part is connected between the tops of the first vertical part and the second vertical part, the first vertical part is tightly attached to the inner wall of the handle body, the second vertical part is tightly attached to the vibration shaft, and the center of the supporting element extends upwards to between the first vertical part and the second vertical part and is attached to the inner wall of the first vertical part.

8. An electric toothbrush handle as claimed in claim 7, wherein: the novel handle is characterized in that a plurality of sealing convex rings are arranged on the outer side face of the first vertical portion, interference fit is carried out between the sealing convex rings and the inner wall of the handle body, an outwards protruding limiting convex ring is arranged on the second vertical portion, an annular groove is formed in the vibration shaft, and the limiting convex ring is embedded in the annular groove.

9. An electric toothbrush handle as claimed in claim 8, wherein: the sealing element further comprises a second horizontal part, wherein the second horizontal part is fixed at the bottom of the first horizontal part and extends outwards, and the second horizontal part is embedded between the handle body and the supporting element.

10. An electric toothbrush handle as claimed in claim 9, wherein: the mounting bracket is fixedly provided with a circuit board, the circuit board is provided with a first button, and the first button penetrates through the mounting bracket and is arranged at intervals with the driving frame.