CN107432774A - A kind of big angle of revolution electric toothbrush head - Google Patents
A kind of big angle of revolution electric toothbrush head Download PDFInfo
- Publication number
- CN107432774A CN107432774A CN201710750787.7A CN201710750787A CN107432774A CN 107432774 A CN107432774 A CN 107432774A CN 201710750787 A CN201710750787 A CN 201710750787A CN 107432774 A CN107432774 A CN 107432774A
- Authority
- CN
- China
- Prior art keywords
- eccentric
- brush
- sleeve
- electric toothbrush
- angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- A61C17/222—Brush body details, e.g. the shape thereof or connection to handle
-
- 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
- A61C17/225—Handles or details thereof
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C2204/00—Features not otherwise provided for
Landscapes
- 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
A kind of big angle of revolution electric toothbrush head, including brush holder support, brush and inclination are installed on the eccentric rod in the brush holder support, and the head side of the eccentric rod, which sets eccentric sleeve and clamps wear-resisting sleeve, forms assembly sleeve device;The side of the brush plugs eccentric spheroid;Opposite side sets arc chute;The brush is installed on the head of the brush holder support by axle, spacing by stretching into the alignment pin in the arc chute, and the eccentric sleeve device of the eccentric rod is slidably matched with the eccentric spheroid and drives the brush reciprocally swinging.Thus, electric toothbrush of the invention is coordinated by the eccentric spheroid in eccentric sleeve device and brush realizes gap cooperation, overcomes conventional rotary to be also easy to produce dead angle, the small difficult point of amplitude of oscillation angle.This is simple in construction, rotates flexibly, and swing angle is big, and noise is small, service life length.
Description
Technical field
The present invention relates to toilet article articles for use, are rotated flexibly more particularly, to one kind, swing angle is big, long lifespan, and noise is small
Big angle of revolution electric toothbrush head.
Background technology
The appearance of electric toothbrush, facilitate the life of the people.At present, the critical piece of electric toothbrush:Head toothbrushes, by brush
Motion mode is divided into two big types:Linear reciprocation swings brush and reciprocating rotating (circumgyration) brush.And reciprocating rotating brush
It is divided into two kinds of basic systems again:Reciprocating rotating is realized using linkage and realizes reciprocating rotating using eccentric stiffener.
The brush-head structure of the reciprocating rotating of traditional eccentric structure driving, its is simple in construction, is limited by the brush holder support bodily form, conventional inclined
The heart away from:0.5~1.8mm;The application point radius of gyration is:4.0~8.0 under conditions of the parameter restricts and does not produce interference, most
Big angle of revolution can only achieve 27 degree, otherwise easily produces dead angle, stuck phenomenon occurs or effective torque is too small, noise is excessive existing
As.Without actual application value.Due to applying rigid eccentric structure, it is necessary to which objective reality fit clearance, time one are grown, and noise can increase
Greatly, swing angle also declines.
The content of the invention
To solve not working existing for existing electric toothbrush technology, conventional rotary is also easy to produce dead angle, and swing angle is small,
Noise is big, the technical problem of short life, and the present invention provides a kind of big angle of revolution, the big angle of revolution electric toothbrush head of long lifespan.
To achieve the above object, the invention discloses a kind of big angle of revolution electric toothbrush head, including brush holder support 2 and brush 1, its
It is characterised by further comprising:
The eccentric rod 4 being installed in the inner chamber of brush holder support 2 is tilted, bias is set by brush side in the head of eccentric rod 4
Sleeve 42, wear-resisting sleeve 43 and rotating shaft 41;The eccentric sleeve 42 is formed in one with eccentric rod 4;Wear-resisting sleeve 43 and rotating shaft
41 be respectively separate piece;Rotating shaft 41 is tightly packed on the axis of eccentric rod 4 (O '-O ') central shaft spacing hole and wear-resistant sleeve 43 is mounted in partially
So as to which the eccentric rod 4 can be around axis (O '-O ') reciprocally swinging under motor driving in heart sleeve 42 and in rotating shaft 41;
The side of the brush 1 sets eccentric spheroid 12, and opposite side sets arc chute 13;The brush 1 is pacified by axle 5
Head 21 loaded on the brush holder support, it is spacing by stretching into the alignment pin 6 in the arc chute 13, and the eccentric rod 4 is inclined
It is driving link that heart sleeve 42 and wear-resisting sleeve 43, which form assembly sleeve device, and the eccentric spheroid 12 is Passive part, driving link arc
Shape rotation drives eccentric sphere to make corresponding sports so as to the driving reciprocally swinging of brush 1 that is slidably matched.
Wherein:The positive top in head of the eccentric rod 4, which is inserted, stretches out rotating shaft 41, and the oblique cutting of rotating shaft 41 enters the head of brush holder support 2
In 21 axis hole;The angle of the axis (O '-O ') of the eccentric rod 4 and the axis (O-O) of the brush holder support 2 is 1~5 degree,
Two axis are not coaxial, and this effect utilizes the confined space significantly, the eccentric throw of eccentric sleeve is increased, so as to maximize increasing tooth
Brush angle of revolution, overcome the small difficult point of traditional toothbrush amplitude of oscillation angle.
Wherein:The tail end inserting connecting seat 3 of the brush holder support 2, the front end of the connecting seat 3 is set can be with the eccentric rod 4
The accentric support ring 31 that tail end coordinates.
Wherein:The eccentric sleeve 42 and wear-resisting sleeve 43 of the eccentric rod 4 form assembly sleeve device be arcuate bottom flute profile,
Open circles taper, spherical shell shape or hollow ellipse taper, the eccentric spheroid 12 and the eccentric sleeve 42 and the structure of wear-resisting sleeve 43
Into assembly sleeve device inner surface sliding contact.
Wherein:The eccentric spheroid 12 is metalwork or is plastic cement high-abrasive material.
Wherein:The scope of the eccentric throw of eccentric rod 4 is 2.5-3.5mm;The external diameter of the eccentric spheroid is Φ 2.0- Φ
3.0mm。
Wherein:The swing angle of the brush 1 is 30-60 degree.
Wherein:The axle 41 is made with axle 5 and alignment pin 6 using stainless steel.
Wherein:The wear-resisting sleeve 43 is made using stainless steel thin slice.
Thus, in big angle of revolution electric toothbrush head of the invention, eccentric rod 4 is tilted and is installed in the inner chamber of brush holder support 2, its
The positive top in head of eccentric rod is provided with sets bias with the dynamic rotating shaft coordinated of the axis hole on brush holder support head, the head side of eccentric rod
Sleeve device, fit clearance is realized by the eccentric spheroid on the eccentric sleeve device and brush of eccentric club head.Rotate spirit
Living, elasticity is good, and swing angle is big, and noise is small, service life length.
Because eccentric rod is to tilt to be installed on brush holder support inner chamber, and the positive top in head (axis) of eccentric rod sets and turned again
Axle, eccentric rod can so make eccentric rod inclined around the axis reciprocally swinging of itself when motor drive drives eccentric rod
The heart realizes brush large-angle slewing (being more than more than 40 degree) away from that can increase to 2.5-3.5mm.Experimental data shows can
Low noise operation is realized under dry conditions (away from brush 10cm, less than 70DB), and in 100% saturation toothpaste solution, brush returns
Turn under axially loaded 170gf pressure, after accumulating work 100 hours, average noise is less than 65DB, and brush and brush holder support coordinate position abrasion
Amount is less than 0.3mm, much meets to accumulate the requirement used in 13.5 hours.
Brief description of the drawings
Fig. 1 is the schematic perspective view of one embodiment of the invention;
Fig. 2 is the internal structure schematic diagram of Fig. 1 embodiments;
Fig. 3 is eccentric rod and brush combination schematic diagram in Fig. 1;
Fig. 4 is the decomposing schematic representation of the eccentric rod in Fig. 1.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, the big angle of revolution electric toothbrush head of a wherein embodiment of the invention includes brush holder support 2, passes through axle 5
It is installed on rotatable brush 1 and the eccentric rod 4 on the head 21 of the brush holder support etc..
Referring also to Fig. 4, eccentric rod 4 are tilted and are installed in the inner chamber of brush holder support 2.Eccentric rod 4 be with the bar-shaped of large and small head,
The positive top in the head (i.e. Fig. 2 microcephaly) of eccentric rod 4, which is inserted, stretches out rotating shaft 41, and the oblique cutting of rotating shaft 41 enters the axis hole on the head 21 of brush holder support 2
In (Fig. 2 is not indicated);The axis (O '-O ') of eccentric rod 4 has 1~5 degree of angle with the axis (O-O) of brush holder support 2.In bias
The head of bar 4 sets eccentric sleeve 42 and wear-resisting sleeve 43 to form assembly sleeve device by brush side, and eccentric rod 4 can be by horse
Driven up to driving part (in the handle loaded on electric toothbrush) in brush holder support 2 around its axis (O '-O ') reciprocally swinging.
Further illustrate, eccentric sleeve 42 can be set by brush side in the head of eccentric rod 4, wear-resisting sleeve 43 and turn
Axle 41;The plastic cement part that the eccentric sleeve 42 can be formed in one with eccentric rod 4;Wear-resisting sleeve 43 and rotating shaft 41 can be respectively only
Vertical part;Rotating shaft 41 is tightly packed on the axis of eccentric rod 4 (O '-O ') central shaft spacing hole and wear-resistant sleeve 43 can be mounted in eccentric sleeve
So as to which the eccentric rod (4) can be around axis (O '-O ') reciprocally swinging under motor driving in 42 and in rotating shaft 41.
A connecting seat 3 is inserted in the tail end of brush holder support 2, the front end of the connecting seat 3 is set can be with tail end (i.e. Fig. 2 of eccentric rod 4
Major part) coordinate accentric support ring 31.So make two of eccentric rod 4 respectively positioned at accentric support set 31 and brush holder support 2
It in the axis hole in portion 21, can avoid moving axially during 4 reciprocally swinging of eccentric rod, reduce noise.
Brush 1 include plantation bristle disk 10, be arranged at the back side of disk 10 be used for brush holder support 2, eccentric rod 4, side is set
Put eccentric spheroid 12, opposite side sets deep-slotted chip breaker 13, and (effect is:Brush 1 spacing with alignment pin 6 realizes reciprocal arc fortune
Dynamic ... ...);Brush 1 is installed in the head 21 of brush holder support 2 by axle 5, and alignment pin 6 stretches into described through the hole on brush holder support head
In deep-slotted chip breaker 13, and the eccentric sleeve 42 of eccentric rod 4 and wear-resisting sleeve 43 form assembly sleeve device and the eccentric spheroid
12, which are slidably matched, drives the reciprocally swinging of brush 1.
In Fig. 1, eccentric spheroid 12 and the disk 10 of brush 1 are a component.The eccentric sleeve 42 of eccentric rod 4 and it is wear-resisting insert
It is arcuate bottom flute profile that set 43, which forms assembly sleeve device, and some reinforcements can be set below eccentric sleeve 42.Bias in brush 1
The inner surface sliding contact of wear-resisting sleeve 43 (cooperation of 0 gap) of spheroid 12 and eccentric rod 4, realizes power transmission.
Eccentric sleeve 42 and wear-resisting sleeve 43 form assembly sleeve device and are located at the head side of eccentric rod 4, its eccentric throw model
Enclose for 2.5-3.5mm.The assembly sleeve device and the eccentric spheroid 12 of brush 1 realize that 0 gap coordinates.Eccentric sphere in brush 1
The distance that the center of body 12 rotates center line with brush 1 is 2.5~3.0mm.
The axle 5, shop bolt 6 are made using the stainless steel without heavy metal.
The wear-resisting sleeve 43 is made using stainless steel thin slice, the constitutional detail be for reinforce eccentric sleeve 42 extend it is wear-resisting
Cycle and set up;Also wear-resisting sleeve 43 can be cancelled by design requirement, only completed with eccentric sleeve 42.But no matter which kind of is selected, it is inserted
Cover direct contact portion groove position keeps 0 gap to coordinate as far as possible with eccentric spheroid 12.
In other embodiments, the disk 10 of the brush 1 is alternatively integrally formed plastic parts with eccentric spheroid;It is described
Eccentric spheroid 12 is a hardware separate piece, by design requirement inserting on Round disks.The upper surface portion of disk 10 is used to plant
Assembling rotating function structure is realized in hair, bottom, and it forms brush 1 with bristle.
In other embodiments, the eccentric sleeve 42 of eccentric rod 4 and wear-resisting sleeve 43 form assembly sleeve device and can set
Open circles taper, spherical shell shape or hollow ellipse taper etc. are counted into, the eccentric spheroid 12 in brush 1 is slided with the wear-resisting inner surface of sleeve 43
Dynamic contact.In order that contact surface between wear-resisting sleeve 43 and eccentric spheroid 12 reduces, reduces noise, in eccentric sleeve 42 and resistance to
The inner surface that mill sleeve 43 forms assembly sleeve device is uniformly distributed some circular salient points.If it can also be set below eccentric sleeve 42
Dry reinforcement, improve intensity.
Big critical component of the angle of revolution electric toothbrush head as electric toothbrush of the invention, can be with the handle of existing electric toothbrush
Part is used in combination.The kind of drive is:Eccentric rod 4 is driven in brush holder support by motor driving part part (in the handle loaded on electric toothbrush)
The eccentric spheroid 12 in brush 1 is driven by its eccentric sleeve device around its axis (O '-O ') reciprocally swinging, eccentric rod 4 in 2
Rotate, eccentric spheroid 12 slides in the wear-resisting sleeve 43 of eccentric club head, due to the effect of eccentric throw so that brush 1 is around it
Make reciprocating rotating in axle center (axle 5).
Claims (9)
1. a kind of big angle of revolution electric toothbrush head, including brush holder support (2) and brush (1), it is characterised in that further comprise:
Inclination is installed on the eccentric rod (4) in the brush holder support (2) inner chamber, is set partially by brush side in eccentric rod (4) head
Heart sleeve (42), wear-resisting sleeve (43) and rotating shaft (41);The eccentric sleeve (42) is formed in one with eccentric rod (4);It is wear-resisting
Sleeve (43) and rotating shaft (41) are respectively separate piece;The central shaft that rotating shaft (41) is tightly packed in eccentric rod (4) axis (O '-O ') is spacing
On hole and wear-resistant sleeve (43) in the eccentric sleeve (42) and in rotating shaft (41) so as to the eccentric rod (4) under motor driving energy
Around axis (O '-O ') reciprocally swinging;
The side of the brush (1) sets eccentric spheroid (12), and opposite side sets arc chute (13);The brush (1) passes through
Axle (5) is installed on the head (21) of the brush holder support, spacing by stretching into the alignment pin (6) in the arc chute (13), and institute
State the eccentric sleeve (42) of eccentric rod (4) and wear-resisting sleeve (43) to form assembly sleeve device be driving link, the eccentric spheroid
(12) it is Passive part, driving link arc rotary drives eccentric sphere to make corresponding sports so as to which the driving brush (1) that is slidably matched is past
Physical pendulum moves.
2. big angle of revolution electric toothbrush head according to claim 1, it is characterised in that the head of the eccentric rod (4) is just
Top, which is inserted, stretches out rotating shaft (41), and rotating shaft (41) oblique cutting enters in the axis hole on the brush holder support (2) head (21);The eccentric rod (4)
The angle of axis (O-O) of axis (O '-O ') and the brush holder support 2 be 1~5 degree, two axis are not coaxial, and this effect is greatly
The confined space is utilized greatly, increases the eccentric throw of eccentric sleeve, head toothbrushes angle of revolution is increased so as to maximize, overcomes traditional tooth
The small difficult point of brush amplitude of oscillation angle.
3. big angle of revolution electric toothbrush head according to claim 1, it is characterised in that the tail end inserting of the brush holder support (2)
Connecting seat (3), the front end of the connecting seat (3) set the accentric support ring (31) that can coordinate with the tail end of the eccentric rod (4).
4. big angle of revolution electric toothbrush head according to claim 1, it is characterised in that:The bias of the eccentric rod (4) is inserted
It is arcuate bottom flute profile, open circles taper, spherical shell shape or hollow ellipse to cover (42) and wear-resisting sleeve (43) composition assembly sleeve device
Taper, the eccentric spheroid (12) form assembly sleeve device inner surface with the eccentric sleeve (42) and wear-resisting sleeve (43) and slided
Dynamic contact.
5. the big angle of revolution electric toothbrush head according to Claims 1-4, it is characterised in that:The eccentric spheroid (12) is
Metalwork is plastic cement high-abrasive material.
6. big angle of revolution electric toothbrush head according to claim 1, it is characterised in that:Eccentric rod (4) eccentric throw
Scope is 2.5-3.5mm;The external diameter of the eccentric spheroid is Φ 2.0- Φ 3.0mm.
7. big angle of revolution electric toothbrush head according to claim 1, it is characterised in that:The swing angle of the brush (1)
For 30-60 degree.
8. big angle of revolution electric toothbrush head according to claim 1, it is characterised in that:The axle (41) is with axle (5) and calmly
Position pin (6) is made using stainless steel.
9. big angle of revolution electric toothbrush head according to claim 1, it is characterised in that:The wear-resisting sleeve (43) is not using
The steel thin slice that becomes rusty makes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710750787.7A CN107432774B (en) | 2017-08-28 | 2017-08-28 | A kind of big angle of revolution electric toothbrush head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710750787.7A CN107432774B (en) | 2017-08-28 | 2017-08-28 | A kind of big angle of revolution electric toothbrush head |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107432774A true CN107432774A (en) | 2017-12-05 |
CN107432774B CN107432774B (en) | 2019-10-29 |
Family
ID=60460643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710750787.7A Active CN107432774B (en) | 2017-08-28 | 2017-08-28 | A kind of big angle of revolution electric toothbrush head |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107432774B (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2566813Y (en) * | 2002-04-29 | 2003-08-20 | 高露洁-棕榄公司 | Electric brush heads |
CN2636838Y (en) * | 2003-06-07 | 2004-09-01 | 黄达 | Electric toothbrush |
CN201042465Y (en) * | 2007-06-01 | 2008-04-02 | 叶万青 | Electric tooth-bush head |
CN201073355Y (en) * | 2007-06-13 | 2008-06-18 | 李巍 | Electric tooth-brush head |
CN201481583U (en) * | 2009-07-26 | 2010-05-26 | 吴双 | Electric toothbrush head |
CN202724026U (en) * | 2012-08-16 | 2013-02-13 | 赵小云 | Electric toothbrush head |
CN204744473U (en) * | 2015-05-08 | 2015-11-11 | 胡建坤 | Electric toothbrush head and electric toothbrush |
CN105726151A (en) * | 2016-04-07 | 2016-07-06 | 周建伟 | Electric toothbrush head and electric toothbrush provided with same |
CN208552094U (en) * | 2017-08-28 | 2019-03-01 | 英属处女岛沃辉有限公司 | A kind of big angle of revolution electric toothbrush head |
-
2017
- 2017-08-28 CN CN201710750787.7A patent/CN107432774B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2566813Y (en) * | 2002-04-29 | 2003-08-20 | 高露洁-棕榄公司 | Electric brush heads |
CN2636838Y (en) * | 2003-06-07 | 2004-09-01 | 黄达 | Electric toothbrush |
CN201042465Y (en) * | 2007-06-01 | 2008-04-02 | 叶万青 | Electric tooth-bush head |
CN201073355Y (en) * | 2007-06-13 | 2008-06-18 | 李巍 | Electric tooth-brush head |
CN201481583U (en) * | 2009-07-26 | 2010-05-26 | 吴双 | Electric toothbrush head |
CN202724026U (en) * | 2012-08-16 | 2013-02-13 | 赵小云 | Electric toothbrush head |
CN204744473U (en) * | 2015-05-08 | 2015-11-11 | 胡建坤 | Electric toothbrush head and electric toothbrush |
CN105726151A (en) * | 2016-04-07 | 2016-07-06 | 周建伟 | Electric toothbrush head and electric toothbrush provided with same |
CN208552094U (en) * | 2017-08-28 | 2019-03-01 | 英属处女岛沃辉有限公司 | A kind of big angle of revolution electric toothbrush head |
Also Published As
Publication number | Publication date |
---|---|
CN107432774B (en) | 2019-10-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWM264921U (en) | Powered toothbrush having three dimensional rotational head motion | |
US8771308B2 (en) | Transmission mechanism of eyebrow tattoo machine | |
CN201042465Y (en) | Electric tooth-bush head | |
CN206995603U (en) | Tattooning penlike device | |
ES2936476T3 (en) | Electric toothbrush | |
CN208552094U (en) | A kind of big angle of revolution electric toothbrush head | |
US6795993B2 (en) | Rotary electric toothbrush with a swing head | |
CN208892816U (en) | A kind of electric toothbrush | |
CN107432774A (en) | A kind of big angle of revolution electric toothbrush head | |
CN208640941U (en) | Electric toothbrush main body driving structure | |
CN213991732U (en) | Novel nut picking device | |
AP2002002403A0 (en) | Toothbrush. | |
CN204133632U (en) | The head toothbrushes of electric toothbrush | |
CN2683063Y (en) | Tridimensional electric and manual dual purpose toothbrush | |
CN204798047U (en) | Brush head of reciprocating rotation | |
CN209360960U (en) | Electric toothbrush side spin sound wave machine | |
CN204260862U (en) | A kind of electric toothbrush head | |
CN207837026U (en) | A kind of braiding machine | |
CN2537362Y (en) | Swing changing rotary electric tooth brush | |
TWM519948U (en) | Electric toothbrush | |
CN210057132U (en) | Tattooing device | |
CN211910027U (en) | Yunnan manyflower solomonseal rhizome tissue culture bottle | |
CN215995593U (en) | Face-changing toy | |
CN212630213U (en) | Semi-automatic inclined bristle swinging toothbrush | |
CN209403343U (en) | A kind of isometrical formula bar section lock retainer and compound rod |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |