CN215130652U

CN215130652U - Low vibration electric toothbrush handle and electric toothbrush

Info

Publication number: CN215130652U
Application number: CN202121330257.5U
Authority: CN
Inventors: 陈华志
Original assignee: Foshan Huachuang Medical Technology Co ltd
Current assignee: Foshan Huachuang Medical Technology Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-12-14
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a low vibration electric toothbrush handle and electric toothbrush. The handle body is internally provided with an installation cavity, the left end and the right end of the handle body are respectively divided into a fixed end and a brush head end, and the brush head end is provided with a through hole communicated with the installation cavity; vibrating motor sets up in the installation cavity, is provided with second flexible connection structure and first flexible connection structure respectively in vibrating motor's the left and right sides both ends, and vibrating motor's right-hand member is connected with the opening through first flexible connection structure. Both ends are installed at the handle internally through second flexible connection structure and first flexible connection structure respectively about vibrating motor, adopt flexonics between vibrating motor and the handle body, can effectively alleviate the influence of vibrating motor vibration to the vibration of the handle body through flexonics, and the vibration of the handle body will be weak partially, and the hand is difficult to numb when brushing teeth, and user's the experience of brushing teeth is felt and is improved.

Description

Low vibration electric toothbrush handle and electric toothbrush

Technical Field

The utility model relates to an oral care technical field, in particular to low vibration electric toothbrush handle and electric toothbrush.

Background

The electric toothbrush who falls structure of making an uproar on the present market, basically all make a whole with vibration source and driving source part, is close to vibration source department and uses flexonics on the handle, keeps away from vibration source department and uses rigid connection on the handle to come the noise abatement, nevertheless vibration sense is still stronger, leads to the user when brushing teeth, and the hand is numbed easily when handing the handle, and user's the experience of brushing teeth is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low vibration electric toothbrush handle and electric toothbrush to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

The technical scheme adopted for solving the technical problems is as follows:

firstly, the utility model provides a low vibration electric toothbrush handle, which comprises a handle body and a vibration motor. The handle body extends leftwards and rightwards, an installation cavity is arranged in the handle body, the left end and the right end of the handle body are respectively divided into a fixed end and a brush head end, and the brush head end is provided with a through hole communicated with the installation cavity; vibrating motor sets up in the installation cavity, is provided with second flexible connection structure and first flexible connection structure respectively at vibrating motor's the both ends of controlling, and vibrating motor's right-hand member is connected with the opening through first flexible connection structure, and vibrating motor's left end is connected with one side that the opening was kept away from to the installation cavity through second flexible connection structure, and vibrating motor's right-hand member has output power shaft, and output power shaft stretches out the handle body from the opening.

Vibrating motor's the left and right sides both ends are installed at the handle internal through second flexible connection structure and first flexible connection structure respectively, adopt flexonics between vibrating motor and the handle body, can effectively alleviate the influence of vibrating motor vibration to the vibration of handle body through flexonics, the vibration of the handle body will be weak partially, the hand is difficult to numb when brushing teeth, improve user's the experience of brushing teeth and feel, and make vibrating motor's intermediate part and handle body line up the clearance, make vibrating motor not with handle body rigid connection on the one hand, weaken the vibration degree, alleviate the hand numb, on the other hand is favorable to vibrating motor's heat dissipation, increase vibrating motor's life.

As the further improvement of above-mentioned technical scheme, the stiff end is provided with the installing port, the bottom is installed to the installing port, be provided with the installing support in the installation cavity left side, the installing support is provided with battery jar and fixed slot, the fixed slot sets up in the right-hand member of installing support, the left end and the bottom of installing support are contradicted, vibrating motor's left end passes through second flexible connection structure and fixes in the fixed slot, install the battery body in the battery jar, the installing support is provided with the circuit board, circuit board and battery body electric connection, vibrating motor and circuit board electric connection.

The vibration motor is connected with the mounting bracket through a second flexible connection structure, the circuit board is not directly connected with the battery body, most of output of the battery body is on an output power shaft of the vibration motor, and vibration of the handle body is weakened.

As a further improvement of the technical scheme, the first flexible connecting structure comprises a first flexible connecting sleeve and a second flexible connecting sleeve, the first flexible connecting sleeve is sleeved between the output power shaft and the through opening, and the second flexible connecting sleeve is sleeved between the right end of the vibration motor and the inner side wall of the mounting cavity.

First flexible connecting sleeve mainly fixes output power shaft on the opening, and second flexible connection structure and second flexible connecting sleeve mainly are fixed in the installation intracavity with vibrating motor's the left and right sides both ends, alleviate the influence of vibrating motor main part vibration to the handle body, have three strong point between vibrating motor and the handle body, further strengthen vibrating motor's fixed effect, effectively reduce the influence of vibrating motor vibration to the handle body simultaneously.

As a further improvement of the above technical scheme, the first flexible connecting structure further comprises a rigid support sleeve, the rigid support sleeve is sleeved on the output power shaft, and the rigid support sleeve is clamped between the first flexible connecting sleeve and the second flexible connecting sleeve.

The rigid support sleeve is used for supporting and fixing the first flexible connecting sleeve and the second flexible connecting sleeve, so that the first flexible connecting sleeve and the second flexible connecting sleeve can better fix the vibration motor.

As above-mentioned technical scheme's further improvement, first flexible connecting sleeve includes inner jacket layer and the outer jacket layer of coaxial setting, inner jacket layer and outer jacket layer are the tubular structure, inner jacket layer sets up in outer jacket layer inboard, be provided with the buffering clearance between inner jacket layer and the outer jacket layer, the right-hand member of inner jacket layer and the right-hand member of outer jacket layer pass through the go-between interconnect, inner jacket layer cover is located on the output power shaft periphery wall, outer jacket layer cover is located in the interior week of opening, outer jacket layer's left end is provided with the location step of past outer extension, the rigid support cover is contradicted through the right-hand member of location step and installation cavity.

The inner sleeve layer directly contacted with the output power shaft has larger vibration, and an annular buffer gap is formed between the inner sleeve layer and the outer sleeve layer, so the vibration degree of the outer sleeve layer is weakened, and the vibration degree of the handle body is weakened.

As the further improvement of the technical scheme, the inner peripheral wall at the left end of the inner sleeve layer is convexly provided with the annular convex ring, the outer peripheral wall of the output power shaft is concavely provided with the annular groove, and the annular convex ring is clamped on the annular groove to play a role in fixing the first flexible connecting sleeve.

As a further improvement of the technical scheme, a third flexible connecting structure is arranged between the bottom cover and the left end of the mounting bracket, and the characteristic of the flexible material of the third flexible connecting structure is utilized to play a role in vibration reduction.

As above-mentioned technical scheme's further improvement, the flexible connection structure of second includes the first lantern ring, the second lantern ring of being connected with the right-hand member of the first lantern ring, and the external diameter of the second lantern ring is greater than the external diameter of the first lantern ring, and vibrating motor passes through the notch conflict of the second lantern ring with the fixed slot.

As a further improvement of the technical scheme, the first flexible connecting structure, the second flexible connecting structure and the third flexible connecting structure are all rubber components.

In addition, the utility model also provides an electric toothbrush, including the low vibration electric toothbrush handle of above-mentioned arbitrary one, brush first subassembly can be connected with output power shaft.

The utility model has the advantages that:

adopt flexonics between vibrating motor in the low vibration electric toothbrush handle and the handle body, can effectively alleviate the influence of vibrating motor vibration to the vibration of the handle body through flexonics, the vibration of the handle body will be weak partially, use the utility model provides an electric toothbrush is difficult to numb by hand when brushing teeth, and the user's the experience of brushing teeth is felt obtains improving.

Drawings

The present invention will be further explained with reference to the drawings and examples;

FIG. 1 is an exploded view of an embodiment of a low vibration electric toothbrush handle and electric toothbrush provided by the present invention;

FIG. 2 is a cross-sectional view of an embodiment of the low vibration electric toothbrush handle and electric toothbrush of the present invention, wherein the two arrows indicate the left direction and the right direction, respectively;

FIG. 3 is an enlarged view of A in FIG. 2;

fig. 4 is an enlarged view of B in fig. 2.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, the handle of the low vibration electric toothbrush and the electric toothbrush of the present invention are made as follows:

in some embodiments, a low vibration electric toothbrush handle includes a body 100, a vibration motor 200. The handle body 100 extends left and right, a mounting cavity 110 is arranged in the handle body 100, the left end and the right end of the handle body 100 are respectively divided into a fixed end 130 and a brush head end 120, and the brush head end 120 is provided with a through hole 121 communicated with the mounting cavity 110; vibration motor 200 sets up in installation cavity 110, both ends are provided with second flexible connection structure 700 and first flexible connection structure respectively about vibration motor 200, vibration motor 200's right-hand member is connected with opening 121 through first flexible connection structure, vibration motor 200's left end is connected with one side that installation cavity 110 kept away from opening 121 through second flexible connection structure 700, vibration motor 200's right-hand member has output power shaft 210, output power shaft 210 stretches out outside handle body 100 from opening 121.

That is, the left and right ends of the vibration motor 200 are respectively installed in the handle body 100 through the second flexible connection structure 700 and the first flexible connection structure, the vibration motor 200 is flexibly connected with the handle body 100, the influence of vibration of the vibration motor 200 on vibration of the handle body 100 can be effectively relieved through flexible connection, vibration of the handle body 100 is weak, hands are not easy to numb during tooth brushing, tooth brushing experience of a user is improved, a gap is formed between the middle part of the vibration motor 200 and the handle body 100, on one hand, the vibration motor 200 is not rigidly connected with the handle body 100, the vibration degree is weakened, hand numb is relieved, on the other hand, heat dissipation of the vibration motor 200 is facilitated, and the service life of the vibration motor 200 is prolonged.

The electric toothbrush generally has two types of plug-in power supply and battery driving, in other embodiments, the battery body 400 is not arranged in the installation cavity 110, only the vibration motor 200 is arranged separately, and the vibration motor 200 is directly connected with an external power supply so as to work.

In order to facilitate the use of the electric toothbrush, a battery-driven type is generally used, and further, a mounting hole is formed at the fixing end 130, the bottom cover 131 is mounted to the mounting hole, a mounting bracket 300 is provided in the left side of the mounting cavity 110, and the mounting bracket 300 is provided with a battery slot 310 and a fixing slot 320. The fixing groove 320 is disposed at the right end of the mounting bracket 300, the left end of the mounting bracket 300 abuts against the bottom cover 131, the third flexible connecting structure 500 is disposed between the left end of the bottom cover 131 and the left end of the mounting bracket 300, and a damping effect is achieved by using the flexible material of the third flexible connecting structure 500.

Since the left end of the vibration motor 200 is fixed in the fixing groove 320 by the second flexible connecting structure 700, the battery body 400 is installed in the battery groove 310, the circuit board 330 is disposed on the mounting bracket 300, the circuit board 330 is electrically connected to the battery body 400, and the vibration motor 200 is electrically connected to the circuit board 330. The vibration motor 200 is connected with the mounting bracket 300 through the second flexible connection structure 700, the circuit board 330 is not directly connected with the battery body 400, most of the output of the battery body 400 is on the output power shaft 210 of the vibration motor 200, and the vibration of the handle body is weakened.

In this embodiment, the first flexible connecting structure includes a first flexible connecting sleeve 610 and a second flexible connecting sleeve 620, the first flexible connecting sleeve 610 is sleeved between the output power shaft 210 and the through opening 121, and the second flexible connecting sleeve 620 is sleeved between the right end of the vibration motor 200 and the inner side wall of the mounting cavity 110. First flexible connecting sleeve 610 mainly fixes output power shaft 210 on opening 121, and second flexible connecting structure 700 and second flexible connecting sleeve 620 mainly are fixed in the installation cavity 110 with the left and right both ends of vibrating motor 200, alleviate the influence of vibrating motor 200 main part vibration to handle body 100, have three strong points between vibrating motor 200 and the handle body 100, further strengthen vibrating motor 200's fixed effect, effectively reduce the influence of vibrating motor 200 vibration to handle body 100 simultaneously.

In the using process, the vibration of the output power shaft 210 can make the first flexible connecting sleeve 610 fixed unstably and fall off easily, so the rigid supporting sleeve 630 is arranged, the rigid supporting sleeve 630 is sleeved on the output power shaft 210, and the rigid supporting sleeve 630 is clamped between the first flexible connecting sleeve 610 and the second flexible connecting sleeve 620. The rigid support sleeve 630 is used for supporting and fixing the first flexible connection sleeve 610 and the second flexible connection sleeve 620, so that the first flexible connection sleeve 610 and the second flexible connection sleeve 620 can better fix the vibration motor 200.

In other embodiments, the rigid support sleeve 630 may not be used to support the first flexible connection sleeve 610 and the second flexible connection sleeve 620, but the wrapping area of the first flexible connection sleeve 610 and the second flexible connection sleeve 620 to the vibration motor 200 needs to be increased to achieve a better support effect, and the increase of the wrapping area affects the heat dissipation of the vibration motor 200. The use of the rigid support sleeve 630 also contributes to heat dissipation of the vibration motor 200.

In order to achieve better vibration damping effect, in this embodiment, a first flexible connection sleeve 610 with better vibration damping effect is adopted, referring to fig. 4, the first flexible connection sleeve 610 includes an inner sleeve layer 611 and an outer sleeve layer 612 which are coaxially arranged, both the inner sleeve layer 611 and the outer sleeve layer 612 are of tubular structures, the inner sleeve layer 611 is arranged inside the outer sleeve layer 612, a buffer gap is arranged between the inner sleeve layer 611 and the outer sleeve layer 612, the right end of the inner sleeve layer 611 and the right end of the outer sleeve layer 612 are connected to each other through a connection ring 614, the inner sleeve layer 611 is sleeved on the outer circumferential wall of the output power shaft 210, the outer sleeve layer 612 is sleeved inside the inner circumference of the through hole 121, the left end of the outer sleeve layer 612 is provided with a positioning step 613 extending outwards, and the rigid support sleeve 630 abuts against the right end of the mounting cavity 110 through the positioning step 613.

The inner jacket 611 directly contacting the output power shaft 210 vibrates largely, and since an annular damping gap is formed between the inner jacket 611 and the outer jacket 612, the degree of vibration of the outer jacket 612 is reduced, and thus the degree of vibration of the handle body 100 is reduced.

And further the inner peripheral wall at the left end of inner jacket layer 611 is convexly provided with an annular convex ring 6111, the outer peripheral wall of output power shaft 210 is concavely provided with an annular groove 211, and annular convex ring 6111 is clamped on annular groove 211 to play a role in fixing first flexible connecting sleeve 610.

Referring to fig. 3, the second flexible coupling structure 700 includes a first collar 710, and a second collar 720 coupled to a right end of the first collar 710, an outer diameter of the second collar 720 is greater than an outer diameter of the first collar 710, and the vibration motor 200 is abutted against the notches of the fixing groove 320 by the second collar 720.

Since the rubber member has excellent characteristics such as resilience, insulation, water-blocking property, and plasticity, the first flexible connecting structure, the second flexible connecting structure 700, and the third flexible connecting structure 500 are all rubber members.

In addition, the utility model also provides an embodiment of electric toothbrush, including a low vibration electric toothbrush handle, the first subassembly of brush in above-mentioned embodiment, the first subassembly of brush can be connected with output power shaft 210. Adopt flexonics between vibrating motor 200 in the low vibration electric toothbrush handle and the handle body 100, can effectively alleviate the influence of vibrating motor 200 vibration to the vibration of the handle body 100 through flexonics, the vibration of the handle body 100 will be weak slightly, use the utility model provides an electric toothbrush is difficult to numb by hand when brushing teeth, and the user's the experience of brushing teeth is felt obtains improving.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A low vibration electric toothbrush handle, comprising:

the left end and the right end of the handle body (100) are respectively divided into a fixed end (130) and a brush head end (120), and the brush head end (120) is provided with a through hole (121) communicated with the mounting cavity (110);

vibrating motor (200), it sets up in installation cavity (110) both ends are provided with second flexible connection structure (700) and first flexible connection structure respectively about vibrating motor (200), the right-hand member of vibrating motor (200) through first flexible connection structure with opening (121) are connected, the left end of vibrating motor (200) through second flexible connection structure (700) with installation cavity (110) are kept away from one side of opening (121) is connected, the right-hand member of vibrating motor (200) has output power shaft (210), output power shaft (210) are followed opening (121) are stretched out outside handle body (100).

2. A low vibration electric toothbrush handle as claimed in claim 1, wherein:

the utility model discloses a vibration motor, including stiff end (130), installation cavity (110), mounting bracket (300), second flexible connection structure (700), bottom (320), fixed end (130) are provided with the installing port, bottom (131) are installed to the installing port be provided with installing support (300) in installation cavity (110) left side, installing support (300) are provided with battery jar (310) and fixed slot (320), fixed slot (320) set up in the right-hand member of installing support (300), the left end of installing support (300) with bottom (131) are contradicted, the left end of vibrating motor (200) passes through second flexible connection structure (700) are fixed in fixed slot (320), install battery body (400) in battery jar (310), installing support (300) are provided with circuit board (330), circuit board (330) with battery body (400) electric connection, vibrating motor (200) with circuit board (330) electric connection.

3. A low vibration electric toothbrush handle as claimed in claim 2, wherein:

first flexible connection structure includes first flexible connection cover (610), second flexible connection cover (620), first flexible connection cover (610) cover is established output power axle (210) with between port (121), second flexible connection cover (620) cover is established vibrating motor (200) right-hand member with between installation cavity (110) the inside wall.

4. A low vibration electric toothbrush handle as claimed in claim 3, wherein:

the first flexible connecting structure further comprises a rigid supporting sleeve (630), the rigid supporting sleeve (630) is sleeved on the output power shaft (210), and the rigid supporting sleeve (630) is clamped between the first flexible connecting sleeve (610) and the second flexible connecting sleeve (620).

5. A low vibration electric toothbrush handle as claimed in claim 4, wherein:

first flexible connecting sleeve (610) is including inner jacket layer (611) and outer jacket layer (612) of coaxial setting, inner jacket layer (611) and outer jacket layer (612) are tubular structure, inner jacket layer (611) set up in outer jacket layer (612) inboard, inner jacket layer (611) with be provided with the buffering clearance between outer jacket layer (612), the right-hand member of inner jacket layer (611) with the right-hand member of outer jacket layer (612) passes through connecting ring (614) and interconnects, inner jacket layer (611) cover is located on output power shaft (210) periphery wall, outer jacket layer (612) cover is located in the inner periphery of opening (121), the left end of outer jacket layer (612) is provided with outside extension's location step (613), rigid support cover (630) pass through location step (613) with the right-hand member of installation cavity (110) contradicts.

6. A low vibration electric toothbrush handle as claimed in claim 5, wherein:

the inner peripheral wall of the left end of the inner sleeve layer (611) is convexly provided with an annular convex ring (6111), the outer peripheral wall of the output power shaft (210) is concavely provided with an annular groove (211), and the annular convex ring (6111) is clamped on the annular groove (211).

7. A low vibration electric toothbrush handle as claimed in claim 2, wherein:

and a third flexible connecting structure (500) is arranged between the bottom cover (131) and the left end of the mounting bracket (300).

8. A low vibration electric toothbrush handle as claimed in claim 2, wherein:

the second flexible connecting structure (700) comprises a first lantern ring (710) and a second lantern ring (720) connected with the right end of the first lantern ring (710), the outer diameter of the second lantern ring (720) is larger than that of the first lantern ring (710), and the vibration motor (200) is abutted to the notch of the fixing groove (320) through the second lantern ring (720).

9. A low vibration electric toothbrush handle as claimed in any one of claims 1 to 8, wherein:

the first flexible connecting structure, the second flexible connecting structure (700) and the third flexible connecting structure (500) are all rubber members.

10. A power toothbrush comprising a low vibration power toothbrush handle, brushhead assembly of claim 9, said brushhead assembly being connectable to said output power shaft (210).