CN110974468A - Eccentric vibration structure of electric toothbrush - Google Patents
Eccentric vibration structure of electric toothbrush Download PDFInfo
- Publication number
- CN110974468A CN110974468A CN201911280734.9A CN201911280734A CN110974468A CN 110974468 A CN110974468 A CN 110974468A CN 201911280734 A CN201911280734 A CN 201911280734A CN 110974468 A CN110974468 A CN 110974468A
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- vibration structure
- eccentric vibration
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- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000010146 3D printing Methods 0.000 claims description 3
- 244000226021 Anacardium occidentale Species 0.000 claims description 3
- 235000020226 cashew nut Nutrition 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- -1 Polyoxymethylene Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
- A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
- A61C17/3481—Vibrating brush body, e.g. by using eccentric weights
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Brushes (AREA)
Abstract
The invention provides an eccentric vibration structure of an electric toothbrush, which comprises an eccentric rod, wherein a transmission part and a counterweight part are respectively formed at two ends of the eccentric rod, the transmission part is rotated by a driving force to drive the counterweight part to generate eccentric vibration, the counterweight part is provided with at least one counterweight area for increasing the partial or total weight of the counterweight part, and the counterweight part generates counterweight unbalance by virtue of the increased counterweight so as to deviate from a central axis of the eccentric rod.
Description
Technical Field
The invention relates to a vibration structure, in particular to an eccentric vibration structure of an electric toothbrush.
Background
In the conventional electric toothbrush, in order to exhibit the effect of brushing teeth, it is necessary to vibrate the brush head, and the conventional electric toothbrush is provided with an eccentric shaft which generates vibration when rotating.
However, the weights of the eccentric shafts of the conventional electric toothbrushes are all in the same ㄈ -shaped notch structure, and the ㄈ -shaped notch structure is in a fixed state, so that the conventional electric toothbrush cannot adjust the ㄈ -shaped notch structure to further change the vibration frequency or amplitude.
Therefore, how to solve the above problems is the direction of efforts required by researchers in the field.
Disclosure of Invention
It is an object of the present invention to adjust the frequency or amplitude of vibration of an eccentric vibrating structure.
To achieve the above object, the present invention provides an eccentric vibration structure of an electric toothbrush, comprising:
the two ends of an eccentric rod are respectively provided with a transmission part and a counterweight part, the transmission part is driven by a driving force to rotate to drive the counterweight part to generate eccentric vibration, and the counterweight part is provided with at least one counterweight area for increasing the partial or total weight of the counterweight part, so that the counterweight part generates counterweight unbalance to deviate from a central axis of the eccentric rod.
The eccentric vibration structure of the electric toothbrush, wherein: the at least one counterweight area and the counterweight part are integrally formed.
The eccentric vibration structure of the electric toothbrush, wherein: the cross section of the counterweight part is in an egg shape or a cashew shape.
The eccentric vibration structure of the electric toothbrush, wherein: the counterweight part is provided with a first area, a second area and a third area, the first area is adjacent to a free end part of the counterweight part, the second area is adjacent to the transmission part, the third area is positioned between the first area and the second area, and the at least one counterweight area is selected from the first area to the third area in the axial direction of the counterweight part to be in axial extension arrangement, equidistant interval arrangement and unequal interval arrangement, or the at least one counterweight area is arranged in any one of the first area, the second area and the third area of the counterweight part.
The eccentric vibration structure of the electric toothbrush, wherein: also comprises at least one balancing weight combined with the at least one balancing weight area.
The eccentric vibration structure of the electric toothbrush, wherein: the at least one balancing weight and the balancing weight part are fixed by any one of the modes of injection coating, bonding, clamping, close fitting, welding and screw locking.
The eccentric vibration structure of the electric toothbrush, wherein: the counterweight zone is provided with at least one accommodating space, and the at least one counterweight block is arranged in the at least one accommodating space.
The eccentric vibration structure of the electric toothbrush, wherein: the at least one accommodating space is formed inside the counterweight part or is inwards recessed from the surface of the counterweight part.
The eccentric vibration structure of the electric toothbrush, wherein: the counterweight zone is provided with a plurality of accommodating spaces, and the at least one counterweight block is selectively arranged in one of the accommodating spaces.
The eccentric vibration structure of the electric toothbrush, wherein: the container also comprises at least one cover piece which is correspondingly covered with the containing space without the at least one balancing weight, and the at least one cover piece is correspondingly covered with the balancing weight part to form a cylindrical outer surface or a non-cylindrical outer surface.
The eccentric vibration structure of the electric toothbrush, wherein: the counterweight part is provided with a plurality of accommodating spaces, and a plurality of counterweights are selectively arranged in some of the accommodating spaces.
The eccentric vibration structure of the electric toothbrush, wherein: the counterweight part is provided with a plurality of accommodating spaces, and the counterweight blocks are arranged in some or all of the accommodating spaces with different weights.
The eccentric vibration structure of the electric toothbrush, wherein: the cross section of the at least one accommodating space is in any geometric shape, and the cross section of the at least one balancing weight is in any geometric shape corresponding to the at least one accommodating space.
To achieve the above object, the present invention further provides an eccentric vibration structure of an electric toothbrush, comprising:
the two ends of an eccentric rod are respectively provided with a transmission part and a counterweight part, the transmission part is driven by a driving force to rotate to drive the counterweight part to generate eccentric vibration, and the counterweight part is provided with at least one material removing area for reducing the partial or total weight of the counterweight part, so that the counterweight part generates counterweight unbalance and deviates from a central axis of the eccentric rod.
The eccentric vibration structure of the electric toothbrush, wherein: the cross-sectional shape of the at least one material removal zone is selected to be any geometric shape.
The eccentric vibration structure of the electric toothbrush, wherein: the at least one material removing area is selected to be formed by any one of cutting processing, injection molding, package injection and 3D printing.
The eccentric vibration structure of the electric toothbrush, wherein: the counterweight part is provided with a first area, a second area and a third area, the first area is adjacent to a free end part of the counterweight part, the second area is adjacent to the transmission part, the third area is positioned between the first area and the second area, and the at least one counterweight area is selected from the first area to the third area in the axial direction of the counterweight part to be in axial extension arrangement, equidistant interval arrangement and unequal interval arrangement, or the at least one counterweight area is arranged in any one of the first area, the second area and the third area of the counterweight part.
The eccentric vibration structure of the electric toothbrush, wherein: the at least one material removing area is formed inside the counterweight part or is concavely arranged on the surface of the counterweight part.
By means of the design of the invention, the eccentric rod can eccentrically vibrate, and further the effect of adjusting the vibration frequency or the vibration amplitude is realized.
Drawings
FIG. 1 is a perspective view of a first embodiment of an eccentric vibratory structure of an electric toothbrush of the present invention;
FIG. 2 is a sectional view of a weight portion of the first embodiment of the eccentric vibration structure of the electric toothbrush of the present invention;
FIG. 3 is a schematic view of an alternate embodiment of the first embodiment of the eccentric vibratory structure of the electric toothbrush of the present invention;
FIG. 4 is a schematic view showing the protrusion of the weight region of the first embodiment of the eccentric vibrating structure of the electric toothbrush of the present invention;
FIG. 5 is a schematic view showing the protrusion of the weight region of the first embodiment of the eccentric vibrating structure of the electric toothbrush of the present invention;
FIG. 6 is a schematic view showing a protrusion of a weight region of the first embodiment of the eccentric vibrating structure of the electric toothbrush of the present invention;
FIG. 7 is a perspective view of a second embodiment of an eccentric vibratory structure of the electric toothbrush of the present invention;
FIG. 8 is a sectional view of a weight portion of the second embodiment of the eccentric vibrating structure of the electric toothbrush of the present invention;
fig. 9 is an exploded perspective view of a third embodiment of an eccentric oscillating structure of the electric toothbrush of the present invention;
FIG. 10 is a sectional view of a weight portion of the third embodiment of the eccentric vibrating structure of the electric toothbrush of the present invention;
FIG. 11 is a schematic view of an alternative embodiment of the eccentric vibratory structure of the electric toothbrush of the present invention;
FIG. 12 is a schematic cross-sectional view of an alternate embodiment of the third embodiment of the eccentric vibrating structure of the electric toothbrush of the present invention;
FIG. 13 is a schematic view of an alternative embodiment of the eccentric vibratory structure of the electric toothbrush of the present invention;
FIG. 14 is a sectional view of a weight portion of the third embodiment of the eccentric vibrating structure of the electric toothbrush of the present invention;
FIG. 15 is a schematic perspective view of a fourth embodiment of an eccentric oscillating structure of the electric toothbrush of the present invention;
fig. 16 is an exploded perspective view of a fifth embodiment of an eccentric oscillating structure of the electric toothbrush of the present invention;
FIG. 17 is a perspective combination view of a fifth embodiment of an eccentric oscillating structure of the electric toothbrush of the present invention;
fig. 18 is a sectional view taken along line a-a of fig. 17 of an eccentric vibration structure of the electric toothbrush of the present invention;
FIG. 19 is a static schematic view of an eccentric vibratory structure of the electric toothbrush of the present invention;
fig. 20 is a vibration diagram of an eccentric vibration structure of the power toothbrush of the present invention.
Description of reference numerals: an eccentric rod 1; a transmission section 11; a transmission shaft center 11 t; a weight portion 12; a counterweight axis 12 t; a counterweight region 13; a first region 121; a free end portion 122; a second region 123; a third region 124; an accommodating space 125; a counterweight 14; a central axis 15; a cover member 16; a material removal zone 17; a second combining portion 18; a drive source 3; a vibrating rod 4; a first closed end 41; a first open end 42; the first space 43; a first combining portion 44; a cleaning sleeve head 5; a second closed end 51; a second open end 52; the second space 53; a brush portion 54; a main body part 6.
Detailed Description
The above objects, together with the structural and functional features thereof, are accomplished by the preferred embodiments according to the accompanying drawings.
Referring to fig. 1 to 2, which are a schematic perspective view and a sectional view of a weight portion of an eccentric vibrating structure of an electric toothbrush according to a first embodiment of the present invention, as shown in the drawings, the eccentric vibrating structure of an electric toothbrush according to the present invention includes an eccentric rod 1, the eccentric rod 1 is an axially extending rod-like shaft (core), and a transmission portion 11 and a weight portion 12 are respectively formed at two ends of the eccentric rod 1. The transmission part 11 and the weight part 12 can be integrally formed, or the transmission part 11 and the weight part 12 can be two independent elements, and are fixedly combined into a whole by any one of the methods of injection coating, bonding, clamping, tight fitting, welding and screw locking.
The transmission part 11 is rotated by a driving force, which is output by a driving source.
The weight portion 12 has at least one weight area 13 for increasing the weight of the weight portion 12, so that the weight portion 12 generates a weight unbalance deviating from a central axis 15 of the eccentric rod 1. The unbalance of the weight is that the partial or total weight added by the at least one weight region 13 causes the center of gravity of the weight portion 12 to deviate from the central axis 15 of the eccentric rod 1, so that the weight portion 12 generates eccentric vibration when being driven by the transmission portion 11 to rotate.
The cross-sectional shape of the weight portion 12 is any one of an egg shape (as shown in fig. 2), a cashew shape (as shown in fig. 3), and an arbitrary geometric shape. And the at least one weight region 13 and the weight portion 12 are integrally formed. The weight portion 12 has a first region 121, a second region 123 and a third region 124, wherein the first region is adjacent to a free end 122 of the weight portion 12, the second region 123 is adjacent to the transmission portion 11, the third region 124 is located between the first region, the second region 121, and the third region 124, and the at least one weight region 13 is axially extended from the first region 121 to the third region 124 of the weight portion 12 (as shown in fig. 1), equidistantly spaced (as shown in fig. 4) or non-equidistantly spaced (as shown in fig. 5), or the at least one weight region 13 is disposed in the first region 121 (as shown in fig. 6) or any one of the second, third regions 123, and 124 of the weight portion 12, wherein the axially extended configuration is that the at least one weight region 13 adds the whole weight to the weight portion 12, the equidistantly spaced, non-equidistantly spaced, or in the first region, Any of the second, third, and fourth zones 121, 123, 124 is configured such that the at least one weight zone 13 adds a localized weight to the weight portion 12, resulting in a weight imbalance of the weight portion 12.
The eccentric rod 1 may be made of a thermoplastic material, such as, but not limited to, Polyoxymethylene (POM), which has an abrasion resistance.
By means of the design of the present invention, since the at least one weight region 13 is eccentrically disposed relative to the central axis 15 of the eccentric rod 1, the weight portion 12 generates weight unbalance by means of increased partial or total weight to cause the center of gravity to deviate from the central axis 15, so that when the eccentric rod 1 rotates by the driving force, the position of the weight portion 12 in the circumferential direction is constantly changed to generate the effect of eccentric vibration.
Referring to fig. 7 to 8, which are a schematic perspective view and a sectional view of a weight portion of a second embodiment of an eccentric vibrating structure of an electric toothbrush according to the present invention, and referring to fig. 1 to 6, as shown in the drawings, a portion of the structure and functions of the present embodiment are the same as those of the first embodiment, and therefore will not be described herein again, but the present embodiment differs from the first embodiment in that at least one weight 14 is directly combined on the surface of the combining region 13 of the weight portion 12 to cause the weight portion 12 to generate a weight imbalance so as to deviate from the central axis 15 of the eccentric rod 1.
The combination can be fixed by any one of the modes of injection coating, bonding, clamping, tight fitting, welding and screw locking. In addition, the at least one weight 14 may be made of metal or non-metal material.
Please refer to fig. 9 to 10, which are an exploded perspective view and a sectional view of a weight portion of a third embodiment of an eccentric vibrating structure of an electric toothbrush according to the present invention, as shown in the drawings and supplemented with fig. 7 to 8, the partial structure and function of this embodiment are the same as those of the second embodiment, and therefore will not be described herein again, but the difference between this embodiment and the second embodiment is that the weight region 13 of the weight portion 12 has at least one accommodating space 125 on the surface or inside the body, and the at least one weight 14 is disposed in the at least one accommodating space 125.
The at least one accommodating space 125 is formed inside the weight portion 12 and penetrates through a free end portion 122 of the weight portion 12 (as shown in fig. 11), and is formed inside the weight portion 12 and penetrates through an axial direction of the weight portion 12 (as shown in fig. 12).
In the embodiment, one of the accommodating spaces 125 is shown as being selectively disposed in one of the balancing weights 14, but in other embodiments, some of the accommodating spaces 125 disposed in the plural accommodating spaces 125 may be shown as being selectively disposed in plural balancing weights 14, or the balancing weights 14 may be provided in some of the accommodating spaces 125 or all of the accommodating spaces 125 with different weights.
In an alternative embodiment, the eccentric vibration structure of the electric toothbrush further comprises at least one cover 16 covering the accommodating space 125 without the at least one weight 14, and the at least one cover 16 forms a cylindrical outer surface (as shown in fig. 13 and 14) or a non-cylindrical outer surface corresponding to the weight 12. Thus, the unfilled corner on the outer surface of the weight part 12 can be reduced, and the wind resistance and noise can be reduced when the weight part 12 is driven to rotate.
Please refer to fig. 15, which is a schematic perspective view of a fourth embodiment of an eccentric vibration structure of an electric toothbrush according to the present invention, and refer to fig. 1 to 6 and fig. 9 to 12, as shown in the drawings, part of the structure and functions of the present embodiment are the same as those of the first and third embodiments, and therefore will not be described herein again, but the difference between the present embodiment and the first and third embodiments is that the weight portion 12 is provided with at least one material removing region 17 on the surface or inside the body for reducing the weight, so that the weight portion 12 generates the weight unbalance to deviate from the central axis 15 of the eccentric rod 1.
The material removal zone 17 is selected to be formed by any one of machining, injection molding, overmolding, and 3D printing.
Referring to fig. 16 to 20, which are an exploded perspective view, an assembled perspective view, a sectional view taken along line a-a of fig. 17, a static schematic view and a vibration schematic view of a fifth embodiment of the vibrating structure of the electric toothbrush of the present invention, and referring to fig. 1 to 15, as shown, part of the structure and functions of the present embodiment are the same as those of the first, second, third and fourth embodiments, and therefore will not be described herein again, but the vibrating structure of the electric toothbrush of the present invention further includes a driving source 3, a vibrating rod 4, a cleaning head 5 and a main body 6.
The driving source 3 is illustrated as a motor, and the driving source 3 is correspondingly engaged with an end of the transmission portion 11 away from the counterweight portion 12 to output the driving force to the eccentric rod 1.
The vibrating rod 4 has a first closed end 41 and a first open end 42, the first closed end 41 and the first open end 42 together define a first space 43, and the first closed end 41 protrudes toward the first space 43 to form a first combining portion 44.
The counterweight part 12 has a second combining part 18 at an end away from the transmission part 11, the eccentric rod 1 is inserted into the first space 43 from the first open end 42, and the first combining part 44 is correspondingly engaged with the second combining part 18.
The cleaning sleeve head 5 has a second closed end 51 and a second open end 52, the second closed end 51 and the second open end 52 together define a second space 53, a brush portion 54 is disposed outside the second closed end 51, and the cleaning sleeve head 5 is sleeved outside the vibrating rod 4 through the second space 53.
The main body 6 is held by a user and is used for correspondingly connecting with the cleaning sleeve head 5, and the driving source 3 is accommodated in the main body 6.
Thus, when the driving source 3 is driven to rotate, the driving force is generated to drive the transmission portion 11 to rotate the eccentric rod 1, and the counterweight portion 12 generates an eccentric vibration effect. The vibration generated by the weight portion 12 is transmitted to the first combination portion 44 of the vibration rod 4 via the second combination portion 18, and further transmitted to the cleaning head set 5, so that the cleaning head set 5 correspondingly generates vibration.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (18)
1. An eccentric vibration structure of a power toothbrush, comprising:
the two ends of an eccentric rod are respectively provided with a transmission part and a counterweight part, the transmission part is driven by a driving force to rotate to drive the counterweight part to generate eccentric vibration, and the counterweight part is provided with at least one counterweight area for increasing the partial or total weight of the counterweight part, so that the counterweight part generates counterweight unbalance to deviate from a central axis of the eccentric rod.
2. The eccentric vibration structure of the power toothbrush according to claim 1, wherein: the at least one counterweight area and the counterweight part are integrally formed.
3. The eccentric vibration structure of the power toothbrush according to claim 1, wherein: the cross section of the counterweight part is in an egg shape or a cashew shape.
4. The eccentric vibration structure of the power toothbrush according to claim 1, wherein: the counterweight part is provided with a first area, a second area and a third area, the first area is adjacent to a free end part of the counterweight part, the second area is adjacent to the transmission part, the third area is positioned between the first area and the second area, and the at least one counterweight area is selected from the first area to the third area in the axial direction of the counterweight part to be in axial extension arrangement, equidistant interval arrangement and unequal interval arrangement, or the at least one counterweight area is arranged in any one of the first area, the second area and the third area of the counterweight part.
5. The eccentric vibration structure of the power toothbrush according to claim 1, wherein: also comprises at least one balancing weight combined with the at least one balancing weight area.
6. The eccentric vibration structure of the power toothbrush according to claim 5, wherein: the at least one balancing weight and the balancing weight part are fixed by any one of the modes of injection coating, bonding, clamping, close fitting, welding and screw locking.
7. The eccentric vibration structure of the power toothbrush according to claim 5, wherein: the counterweight zone is provided with at least one accommodating space, and the at least one counterweight block is arranged in the at least one accommodating space.
8. The eccentric vibration structure of the power toothbrush according to claim 7, wherein: the at least one accommodating space is formed inside the counterweight part or is inwards recessed from the surface of the counterweight part.
9. The eccentric vibration structure of the power toothbrush according to claim 7, wherein: the counterweight zone is provided with a plurality of accommodating spaces, and the at least one counterweight block is selectively arranged in one of the accommodating spaces.
10. The eccentric vibration structure of the power toothbrush according to claim 9, wherein: the container also comprises at least one cover piece which is correspondingly covered with the containing space without the at least one balancing weight, and the at least one cover piece is correspondingly covered with the balancing weight part to form a cylindrical outer surface or a non-cylindrical outer surface.
11. The eccentric vibration structure of the power toothbrush according to claim 7, wherein: the counterweight part is provided with a plurality of accommodating spaces, and a plurality of counterweights are selectively arranged in some of the accommodating spaces.
12. The eccentric vibration structure of the power toothbrush according to claim 7, wherein: the counterweight part is provided with a plurality of accommodating spaces, and the counterweight blocks are arranged in some or all of the accommodating spaces with different weights.
13. The eccentric vibration structure of the power toothbrush according to claim 7, wherein: the cross section of the at least one accommodating space is in any geometric shape, and the cross section of the at least one balancing weight is in any geometric shape corresponding to the at least one accommodating space.
14. An eccentric vibration structure of a power toothbrush, comprising:
the two ends of an eccentric rod are respectively provided with a transmission part and a counterweight part, the transmission part is driven by a driving force to rotate to drive the counterweight part to generate eccentric vibration, and the counterweight part is provided with at least one material removing area for reducing the partial or total weight of the counterweight part, so that the counterweight part generates counterweight unbalance and deviates from a central axis of the eccentric rod.
15. The eccentric vibration structure of the power toothbrush according to claim 14, wherein: the cross-sectional shape of the at least one material removal zone is selected to be any geometric shape.
16. The eccentric vibration structure of the power toothbrush according to claim 14, wherein: the at least one material removing area is selected to be formed by any one of cutting processing, injection molding, package injection and 3D printing.
17. The eccentric vibration structure of the power toothbrush according to claim 14, wherein: the counterweight part is provided with a first area, a second area and a third area, the first area is adjacent to a free end part of the counterweight part, the second area is adjacent to the transmission part, the third area is positioned between the first area and the second area, and the at least one counterweight area is selected from the first area to the third area in the axial direction of the counterweight part to be in axial extension arrangement, equidistant interval arrangement and unequal interval arrangement, or the at least one counterweight area is arranged in any one of the first area, the second area and the third area of the counterweight part.
18. The eccentric vibration structure of the power toothbrush according to claim 14, wherein: the at least one material removing area is formed inside the counterweight part or is concavely arranged on the surface of the counterweight part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911280734.9A CN110974468A (en) | 2019-12-13 | 2019-12-13 | Eccentric vibration structure of electric toothbrush |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911280734.9A CN110974468A (en) | 2019-12-13 | 2019-12-13 | Eccentric vibration structure of electric toothbrush |
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|---|---|
| CN110974468A true CN110974468A (en) | 2020-04-10 |
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| CN201911280734.9A Pending CN110974468A (en) | 2019-12-13 | 2019-12-13 | Eccentric vibration structure of electric toothbrush |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2042499A1 (en) * | 1990-05-24 | 1991-11-25 | Luca Toncelli | Eccentric mass structure |
| CN1631555A (en) * | 2005-01-07 | 2005-06-29 | 张立新 | Eccentric block |
| CN101965160A (en) * | 2008-03-13 | 2011-02-02 | 欧姆龙健康医疗事业株式会社 | Electric toothbrush |
| CN203187147U (en) * | 2013-03-22 | 2013-09-11 | 徐坚 | Paper feeding roller |
| CN206575313U (en) * | 2017-03-27 | 2017-10-20 | 淄博中聚磁电科技有限公司 | Ultrahigh speed rotor structure of switching reluctance dynamo |
-
2019
- 2019-12-13 CN CN201911280734.9A patent/CN110974468A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2042499A1 (en) * | 1990-05-24 | 1991-11-25 | Luca Toncelli | Eccentric mass structure |
| CN1631555A (en) * | 2005-01-07 | 2005-06-29 | 张立新 | Eccentric block |
| CN101965160A (en) * | 2008-03-13 | 2011-02-02 | 欧姆龙健康医疗事业株式会社 | Electric toothbrush |
| CN203187147U (en) * | 2013-03-22 | 2013-09-11 | 徐坚 | Paper feeding roller |
| CN206575313U (en) * | 2017-03-27 | 2017-10-20 | 淄博中聚磁电科技有限公司 | Ultrahigh speed rotor structure of switching reluctance dynamo |
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