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1. 发明公开

US20230310117A1 SUPPORT STRUCTURE 审中-公开
公开(公告)号：US20230310117A1
公开(公告)日：2023-10-05
申请号：US18023250
申请日：2021-05-14
申请人： SHANGHAI SHIFT ELECTRICS CO., LTD.
发明人： Xiaoguo Dai , Zhenwu Xu
IPC分类号： A61C1/18 , A61C17/34 , A61C17/02
CPC分类号： A61C1/185 , A61C17/34 , A61C17/02
摘要： A support structure, which supports a drive shaft performing reciprocating motion. The support structure comprises an inner fixing ring of the support structure, at least one elastic member of the support structure, and an outer fixing ring of the support structure; the inner fixing ring is fastened on the drive shaft; the outer fixing ring is fastened on an inner wall of a lower device housing; the elastic member is provided between the outer fixing ring and the inner fixing ring; and on the cross section of the elastic member perpendicular to the radial direction of the drive shaft, the width (b1) in the direction perpendicular to a drive force is three times larger than the thickness (t1) in the direction parallel to the drive force. The support structure has the advantages of low noise, low energy loss, low cost, simple structure, and being suitable for batch production.

2. 发明授权

US09827080B2 Head structure of a brush appliance 有权
公开(公告)号：US09827080B2
公开(公告)日：2017-11-28
申请号：US14417123
申请日：2013-04-03
申请人： SHANGHAI SHIFT ELECTRICS CO., LTD
发明人： Xiaoguo Dai , Zhenwu Xu
IPC分类号： A61C17/34 , A61C17/22 , A46B13/02
CPC分类号： A61C17/349 , A46B13/02 , A61C17/3418 , A61C17/3436 , A61C17/3472
摘要： A head structure of a brush appliance comprises a frame movably connected with a head driving shaft, driving bristle retainers connected with and driven by the head driving shaft, and driven bristle retainers which and the driving bristle retainers are alternatively arranged with each other. In the head structure, the driven bristle retainers are driven by the driving bristle retainers from the frame in a constrained mode and move around a respective motion axis. The driving bristle retainers have protrusions. The driven bristle retainers have bevel surfaces which correspondingly cooperate with the protrusions. At least one driven point on at least one of bevel surfaces is closer to the driving bristle retainers than a contact point or a contact line or a contact surface of the at least bevel surface and the corresponding protrusions. Thereby the driven bristle retainers are driven by the driving bristle retainers in the moving process.

3. 发明授权

US10463460B2 Personal cleaning care appliance 有权
公开(公告)号：US10463460B2
公开(公告)日：2019-11-05
申请号：US15547460
申请日：2015-01-28
申请人： SHANGHAI SHIFT ELECTRICS CO., LTD.
发明人： Xiaoguo Dai , Zhenwu Xu , Ling Dai
IPC分类号： A61C17/34 , A61C17/22 , A61C17/16 , H02K33/02 , H02K33/18 , H02K7/10 , H02K1/27 , H02K1/34 , H02K7/09
摘要： A cleaning care appliance comprises a transducer comprising a drive shaft and magnets arranged on the left and right sides of the longitudinal axis of the drive shaft. The magnets are independent of each other, the polarity of the magnetic pole of one side of the magnet is opposite to that of the other side in the direction facing driving coil, the angle between the direction of magnetic force lines inside the magnets and the direction of the longitudinal axis of driving coil iron core is greater than 45° and smaller than 135°, the magnets move with respect to the elastic element retainer. When alternating current flows through the drive coil, the angle between magnet movement direction and the longitudinal axis of the core is greater than 170° and smaller than 190°. The appliance has low cost, low noise, low damping, and is safe, and reliable.

4. 发明授权

US10418928B2 Adjustable circuit for personal electric cleaning care appliance 有权
公开(公告)号：US10418928B2
公开(公告)日：2019-09-17
申请号：US15771725
申请日：2015-10-29
申请人： SHANGHAI SHIFT ELECTRICS CO., LTD.
发明人： Xiaoguo Dai , Zhenwu Xu , Ling Dai
IPC分类号： B65G27/32 , H02P25/034 , H02K33/02 , H02P25/06 , H02P25/032 , A61C17/22 , A61C17/34
摘要： An adjustable circuit for a personal electric cleaning care appliance comprises comprising a power supply portion and a driver is disclosed. The driver comprises a transducer, a drive coil and an iron core of the drive coil, and a drive shaft of the transducer is equipped with cleaning elements. The adjustable circuit comprises a microchip processor and an H-bridge drive circuit. By connecting a capacitor bank and the drive coil in series at load ends of the H-bridge drive circuit, at least a part of the capacitors of the capacitor bank is controllably connected in series with the drive coil or disconnected from the drive coil, the capacitance of the connected capacitor can be controlled so that the current flowing through the drive coil is controllably limited to a certain value, thereby, the motion amplitude of the cleaning elements can be controlled, and no additional electromagnetic interference will occur.

5. 发明授权

US10792138B2 Cleaning device 有权
公开(公告)号：US10792138B2
公开(公告)日：2020-10-06
申请号：US15547431
申请日：2015-01-28
申请人： SHANGHAI SHIFT ELECTRICS CO., LTD.
发明人： Xiaoguo Dai , Zhenwu Xu , Ling Dai
IPC分类号： A61C17/34 , H02K7/06 , A61C17/32 , H02K7/065 , B26B19/28
摘要： Provided is a cleaning device for personal cleaning and care, comprising a cleaning device housing detachably connected to a handle housing, a bracket for supporting the cleaning device, a cleaning element carrier and cleaning elements distributed on the cleaning element carrier, a passive assembly, and a cleaning device transducer. The cleaning device transducer comprises at least two transducer elastic elements; one end of each transducer elastic element is fixedly connected to a corresponding transducer elastic element retainer, and the other end of each transducer elastic element is fixedly connected to an transmission arm of the transducer bracket coupling elastic element; wherein a cleaning device having a natural vibration frequency fnatural is constituted utilizing the bending strain of an elastic material, such that the natural frequency fnatural of the cleaning device is in the range of 100 Hz to 400 Hz, and the relationship between the natural frequency fnatural and the frequency f0 of the electromagnetic force produced by the drive coil in the handle satisfies: 0.85f0

6. 发明授权

US10786338B2 Fixing structure for use in driver apparatus of electric cleaning appliance 有权
公开(公告)号：US10786338B2
公开(公告)日：2020-09-29
申请号：US16314231
申请日：2016-07-07
申请人： SHANGHAI SHIFT ELECTRICS CO., LTD.
发明人： Xiaoguo Dai , Zhenwu Xu
IPC分类号： A61C17/22 , H02K33/18 , A61C17/26
摘要： The invention relates to a fixing structure for use in a driver apparatus of an electric cleaning appliance. The driver apparatus comprises a transducer assembly and a drive coil assembly within a handle housing. The transducer assembly comprises a transducer, a transducer frame and a transducer assembly fixing member. The drive coil assembly comprises a drive coil, a drive coil frame and a drive coil assembly fixing member. The transducer frame and the drive coil frame respectively comprise left and right frames disposed separate from each other. The handle housing is respectively fastened with the transducer assembly or the drive coil assembly via a first or second structural feature part in a way that one cannot move relative to the other. The transducer assembly and the drive coil assembly are connected via a third structural feature part in a way that one can move relative to the other.

7. 发明申请

US20180185128A1 CLEANING DEVICE 审中-公开
公开(公告)号：US20180185128A1
公开(公告)日：2018-07-05
申请号：US15547431
申请日：2015-01-28
申请人： SHANGHAI SHIFT ELECTRICS CO., LTD.
发明人： Xiaoguo Dai , Zhenwu Xu , Ling Dai
IPC分类号： A61C17/34 , H02K7/065
CPC分类号： A61C17/3481 , A61C17/32 , A61C17/3418 , A61C17/3436 , B08B1/002 , B08B1/008 , B26B19/284 , H02K7/06 , H02K7/065
摘要： Provided is a cleaning device for personal cleaning and care, comprising a cleaning device housing detachably connected to a handle housing, a bracket for supporting the cleaning device, a cleaning element carrier and cleaning elements distributed on the cleaning element carrier, a passive assembly, and a cleaning device transducer. The cleaning device transducer comprises at least two transducer elastic elements; one end of each transducer elastic element is fixedly connected to a corresponding transducer elastic element retainer, and the other end of each transducer elastic element is fixedly connected to an transmission arm of the transducer bracket coupling elastic element; wherein a cleaning device having a natural vibration frequency fnatural is constituted utilizing the bending strain of an elastic material, such that the natural frequency fnatural of the cleaning device is in the range of 100 Hz to 400 Hz, and the relationship between the natural frequency fnatural and the frequency f0 of the electromagnetic force produced by the drive coil in the handle satisfies: 0.85f0

8. 发明授权

US11234803B2 Electric cleaning and care appliance, pressure alarming method and apparatus for the appliance 有权
公开(公告)号：US11234803B2
公开(公告)日：2022-02-01
申请号：US16462191
申请日：2016-12-07
申请人： Shanghai Shift Electrics Co., Ltd.
发明人： Xiaoguo Dai , Zhenwu Xu
IPC分类号： A61C17/22 , A61C17/34 , H02P25/00
摘要： The invention relates an electrical cleaning and care appliance, pressure alarming method and apparatus for the appliance. Transducer elastic members of the appliance engage in resonance oscillation motion with bending strain characteristics, are symmetrically distributed on the left and right sides of the longitudinal axis (L2) of a drive shaft, and have approximately equal section moduli in bending, approximately equal lengths, approximately equal deflection amplitudes and opposite flexure directions; the angle between the longitudinal axis (L1) of a cleaning element and the normal direction of the transducer elastic member plane is 0° to 60°; the frequency of the alternating current in a drive coil is a fixed value equal to f0max−n, where n is a fixed value in the range of −0.3(f0max−f0min) to 0.85(f0max−f0min). Therefore, the appliance has a higher mechanical efficiency, a simple structure and a lower cost.

9. 发明授权

US10582990B2 Head module capable of reciprocal rotation for electric cleaning apparatus 有权
公开(公告)号：US10582990B2
公开(公告)日：2020-03-10
申请号：US15779075
申请日：2015-11-25
申请人： SHANGHAI SHIFT ELECTRICS CO., LTD.
发明人： Xiaoguo Dai , Zhenwu Xu
IPC分类号： A61C17/34 , A61C17/22 , A46B5/00
摘要： A head module capable of reciprocal rotation for an electric cleaning apparatus comprises cleaning elements, a housing and a driven rod disposed in a hollow inner cavity of the housing, wherein the rod is provided with a hollow cavity body for accommodating a drive shaft; at least one gap is provided in a region surrounding the hollow cavity body; at least one inner side notch is distributed on a side wall of the inner cavity, for accommodating a protrusion; the rod further comprises a partially cylindrical or conical cavity body region. When the drive shaft is not yet inserted into the rod, there is a gap between the notch and the protrusion in a direction perpendicular to the rotation axis (L1) of the drive shaft. The length of the gap is greater than or equal to the amount of single-side interference between the rod and the drive shaft.

10. 发明申请

US20180250107A1 PERSONAL CLEANING CARE APPLIANCE 审中-公开
公开(公告)号：US20180250107A1
公开(公告)日：2018-09-06
申请号：US15547460
申请日：2015-01-28
申请人： SHANGHAI SHIFT ELECTRICS CO., LTD.
发明人： Xiaoguo Dai , Zhenwu Xu , Ling Dai
IPC分类号： A61C17/22 , A61C17/34 , H02K33/02 , H02K33/18
CPC分类号： A61C17/221 , A46B2200/1006 , A46B2200/1033 , A46B2200/1066 , A61C17/16 , A61C17/34 , H02K1/2786 , H02K1/34 , H02K7/09 , H02K7/10 , H02K33/02 , H02K33/18
摘要： Provided is a personal cleaning care appliance comprising: a driver (110) of said appliance comprises a transducer (130), a driving coil (114), a driving coil iron core (115), and a driver bracket (112, 113). The transducer comprises a drive shaft (111), a transducer elastic element retainer (124), permanent magnets (116, 117) arranged on the left and right sides of the longitudinal axis of the drive shaft, permanent magnet brackets (118, 119) fixedly connecting the permanent magnets, transducer transmission arms (125, 126), and transducer elastic elements (122, 123). The permanent magnets (116, 117) are independent of each other; the polarity of the magnetic pole of one side of the permanent magnet in the direction facing the driving coil (114) is S or N, and the other side of the permanent magnet has in the direction facing the driving coil (114) a polarity opposite to the polarity of the magnetic pole of said one side of the permanent magnet; the angle between the direction of the magnetic lines of force inside the permanent magnets (116, 117) and the direction of the longitudinal axis of the driving coil iron core (115) is greater than 45° and smaller than 135°; the permanent magnets (116, 117) may move with respect to the transducer elastic element retainer (124). When the current of the driving coil (114) is alternating current having a frequency of f0, the direction of movement of the permanent magnets (116, 117) is approximately parallel to the direction of the longitudinal axis of the driving coil iron core (115), and the angle between the two is greater than 170° and smaller than 190°. The present appliance has a simple and compact structure and is low in cost, easy to assemble and steady in rotation; it has low damping and is safe and reliable.

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