CN219680831U - electric toothbrush - Google Patents
electric toothbrush Download PDFInfo
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- CN219680831U CN219680831U CN202320679538.4U CN202320679538U CN219680831U CN 219680831 U CN219680831 U CN 219680831U CN 202320679538 U CN202320679538 U CN 202320679538U CN 219680831 U CN219680831 U CN 219680831U
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- middle section
- electric toothbrush
- tail section
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- 230000008054 signal transmission Effects 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000012790 adhesive layer Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
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Abstract
The utility model provides an electric toothbrush which comprises a brush head, a middle section part, a tail section part and a magnetic attraction connecting device arranged between the middle section part and the tail section part, wherein the middle section part comprises a middle section shell, a first end of the middle section shell is provided with a containing groove, and a second end of the middle section shell is connected with the brush head. The tail section part comprises a tail section shell, and one end of the tail section shell is detachably connected with the storage groove. The magnetic attraction connecting device comprises a first magnetic part, a second magnetic part, a first conductive part, a second conductive part and a conductive connecting part, wherein the first magnetic part and the first conductive part are arranged in a middle section shell, the second magnetic part and the second conductive part are arranged at the end part of a tail section shell, the first magnetic part and the second magnetic part are connected with the middle section part and the tail section part through magnetic attraction, one end of the conductive connecting part is connected with the first conductive part, and the other end of the conductive connecting part is connected with the second conductive part to realize signal transmission and electric conduction between the middle section part and the tail section part. The electric toothbrush is simple in assembly, easy to operate, convenient to carry and high in practicability.
Description
Technical Field
The utility model relates to the technical field of electric nursing appliances, in particular to an electric toothbrush.
Background
The existing electric toothbrush can be disassembled into two sections or three sections, and the multi-section structure is assembled into a whole before being used. The existing assembly modes comprise plug-in type, screw thread type or buckle connection type, and the like, and the assembly process is complex. For example, a screw-in type of installation requires relative rotation, which may also affect the conductive structure inside the electric toothbrush during rotation, which may in turn affect the reliability of the electric toothbrush.
Disclosure of Invention
In view of the foregoing, it would be desirable to provide an electric toothbrush that allows for more convenient and compact assembly of the sections of the electric toothbrush.
Embodiments of the present utility model provide an electric toothbrush, a brush head;
the middle section part comprises a middle section shell, a first end of the middle section shell is provided with a storage groove, and a second end of the middle section shell is connected with the brush head;
the tail section part comprises a tail section shell, and the peripheral side wall of one end of the tail section shell is detachably connected with the inner wall of the containing groove;
the magnetic attraction connecting device comprises a first magnetic part, a second magnetic part, a first conductive part, a second conductive part and a conductive connecting part, wherein the first magnetic part and the first conductive part are arranged in a middle section shell, the second magnetic part and the second conductive part are arranged at the end part of a tail section shell, the first magnetic part and the second magnetic part are detachably fixed through magnetic attraction, one end of the conductive connecting part is electrically connected with the first conductive part, and the other end of the conductive connecting part is electrically connected with the second conductive part when the middle section part and the tail section part are fixed so as to realize signal transmission and electric conduction between the middle section part and the tail section part.
In some embodiments of the present utility model, the magnetic connection device further includes a limiting member, the limiting member is disposed in the middle section housing, a limiting groove is recessed in a surface of the limiting member facing the first end, the first magnetic member is disposed in the limiting groove, and the first conductive member is disposed on a side of the first magnetic member facing away from the tail section;
the limiting groove is provided with a locating hole in a penetrating mode, one end of the conductive connecting piece is connected to the first conductive piece, and the other end of the conductive connecting piece penetrates through the locating hole to be used for being connected with the second conductive piece.
In some embodiments of the present utility model, a positioning table is protruding from the bottom wall of the limiting groove towards the second end, and the positioning hole penetrates through the positioning table and the bottom wall of the limiting groove;
the first magnetic piece is provided with a through hole in a penetrating mode, and the positioning table penetrates through the through hole to position the first magnetic piece.
In some embodiments of the present utility model, a positioning post is disposed on a surface of the positioning table facing away from the bottom wall, and the first conductive member is provided with a fixing hole, and the positioning post is disposed in the fixing hole to fix the first conductive member.
In some embodiments of the present utility model, the magnetic connection device further includes a first connector, where the first connector is disposed on a surface of the first conductive element facing away from the first magnetic element;
and a control circuit board is further arranged in the middle section shell, one end of the first connector is electrically connected with the first conductive piece, and the other end of the first connector is connected with the control circuit board to realize signal transmission.
In some embodiments of the present utility model, the tail section housing includes a main body and a protruding portion connected to one end of the main body, and the protruding portion is accommodated in the accommodating groove;
the protruding portion is provided with a top surface towards one side of the first end, the second conductive piece is arranged on the top surface, and the second magnetic piece is accommodated in the protruding portion.
In some embodiments of the present utility model, the magnetic connection device further includes a second connector, the second connector is disposed in the protruding portion, an opening is disposed through the top surface, and one end of the second connector is connected to the second conductive member through the opening, so as to be used for power supply and signal transmission.
In some embodiments of the present utility model, a power circuit board is further disposed in the tail section housing;
the second conductive piece comprises a straight part and a clamping part connected to one end of the straight part, at least part of the straight part is exposed from the end part of the tail section shell towards the first end, the conductive connecting piece is connected to the exposed part of the straight part, and the clamping part is connected with the power circuit board to realize power supply and signal transmission.
In some embodiments of the present utility model, an end of the protruding portion facing the first end has a top wall, the straight portion is partially embedded in the top wall, and partially exposed from the top wall to electrically connect the conductive connection member, and the clamping portion extends out of the top wall toward a direction facing away from the first end;
the surface of the clamping part is provided with a contact, and the extended part of the clamping part is connected with the power circuit board in a conductive way through the contact.
In some embodiments of the present utility model, a first guiding portion is disposed on an inner wall of the accommodating groove along a connection direction of the middle section and the tail section, a second guiding portion is disposed at an end of the tail section housing connected to the middle section in an extending manner, and the first guiding portion and the second guiding portion are connected in a matching manner for foolproof and guiding.
Compared with the prior art, the electric toothbrush provided by the utility model has the advantages that the magnetic attraction connecting device is arranged between the middle section part and the tail section part, namely the first magnetic part, the first conductive part and the conductive connecting part are arranged in the middle section shell, the second magnetic part and the second conductive part are correspondingly arranged in the tail section shell, the first magnetic part and the second magnetic part can realize the connection between the middle section part and the tail section part through the magnetic attraction effect, and the first conductive part and the second conductive part are electrically connected through the conductive connecting part, so that the signal transmission and the power supply between the middle section part and the tail section part can be realized simultaneously. The electric toothbrush is simple in structure, easy to operate, convenient to carry and high in practicability, and is assembled through magnetic attraction.
Drawings
Fig. 1 is a schematic view showing an assembled structure of an electric toothbrush according to a first embodiment of the present utility model.
Fig. 2 is a schematic exploded view of the electric toothbrush shown in fig. 1.
Fig. 3 is a schematic view of the electric toothbrush of fig. 2 in a disassembled configuration from another view.
Fig. 4 is an exploded view of the electric toothbrush of fig. 1.
Fig. 5 is an exploded view of the electric toothbrush of fig. 4 from another perspective.
Fig. 6 is a cross-sectional view of the electric toothbrush shown in fig. 2.
Fig. 7 is a cross-sectional view of the electric toothbrush shown in fig. 3.
Fig. 8 is a partial cross-sectional view of the electric toothbrush shown in fig. 1, taken along the line A-A.
Fig. 9 is a schematic view showing an assembled structure of an electric toothbrush according to a second embodiment of the present utility model.
Fig. 10 is an exploded view of the electric toothbrush shown in fig. 9.
Fig. 11 is a sectional view of the electric toothbrush of fig. 9 after disassembly.
Fig. 12 is a cross-sectional view of the electric toothbrush of fig. 9 from another perspective, after disassembly.
Fig. 13 is a partial cross-sectional view of the electric toothbrush shown in fig. 9, taken along line B-B.
Description of the main reference signs
Electric toothbrush 1000, 2000
Magnetic attraction connection device 100
First magnetic member 10
First adhesive layer 11
Through hole 101
Second magnetic member 20
Slotting 201
Fourth adhesive layer 21
First conductive member 30
Fixing hole 301
Second adhesive layer 31
Second conductive member 40
Straight portion 401
Clamping portion 402
Contact 403
Third adhesive layer 41
Conductive connection 50
Stop 60
Limit groove 61
Bottom wall 611
Positioning table 62
Positioning column 63
Positioning hole 64
Waterproof rubber ring 65
First connector 70
Second connector 80
Brush head 200
Middle section 300
Middle section shell 310
First end 311
Second end 312
Storage groove 313
First guide 314
Control circuit board 320
Tail section 400
Tail section housing 410
Body 411
Projection 412
Second guide 413
Top surface 414
Positioning groove 4141
Opening 415
Top wall 416
Power circuit board 420
Assembly direction L
The utility model will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
The following description of the technical solutions according to the embodiments of the present utility model will be given with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments.
It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items. The terms "vertical," "horizontal," "left," "right," "top," "bottom," and the like are used herein for illustrative purposes only and are not intended to limit the utility model.
Some embodiments of the utility model are described in detail below with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, a first embodiment of the present utility model provides an electric toothbrush 1000 for dental care. The electric toothbrush 1000 includes a brush head 200, a middle section 300, and a tail section 400. The brush head 200, the middle section 300 and the tail section 400 can be sequentially detachably connected to form a complete electric toothbrush 1000. The middle section 300 includes a middle section housing 310, a first end 311 of the middle section housing 310 having a receiving slot 313, and a second end 312 of the middle section housing 310 removably coupled to the brush head 200. The tail section 400 includes a tail section housing 410, the tail section housing 410 includes a main body 411 and a protrusion 412 connected to one side of the main body 411, the protrusion 412 is received in the receiving groove 313 when the electric toothbrush 1000 is assembled, and a peripheral wall of the protrusion 412 is detachably connected to an inner wall of the receiving groove 313.
It will be appreciated that in practice, a control module (not shown) including a control circuit board 320 is also provided in the middle housing 310 for controlling the operation mode of the brush head 200, such as the frequency of vibration or the rotational speed of rotation. A power module (not shown) including a power circuit board 420 is also provided within the tail section housing 410 for providing power.
Referring to fig. 4, 5, 6, 7 and 8, the magnetic connection device 100 is disposed between the middle section housing 310 and the tail section housing 410, and is used for magnetically connecting the middle section 300 and the tail section 400, and electrically connecting the assembled control module and power module. The magnetic connection device 100 includes a first magnetic element 10, a second magnetic element 20, a first conductive element 30, a second conductive element 40, and a conductive connection element 50, where the first magnetic element 10, the first conductive element 30, and the conductive connection element 50 are disposed in a middle section housing 310, the second magnetic element 20 and the second conductive element 40 are disposed in a tail section housing 410, the first magnetic element 10 and the second magnetic element 20 are connected to each other through magnetic interaction, one end of the conductive connection element 50 is connected to the first conductive element 30, and the other end is connected to the second conductive element 40, so as to realize conductive connection between the middle section 300 and the tail section 400.
The magnetic connection device 100 further includes a limiting member 60 and a first connector 70, where the limiting member 60 and the first connector 70 are disposed in the middle housing 310. Specifically, the surface of the limiting member 60 facing the second end 312 is concaved inward to form a limiting groove 61, and the first magnetic member 10, the first conductive member 30 and the conductive connecting member 50 are disposed in the limiting groove 61. The bottom wall 611 of the limiting groove 61 protrudes towards the second end 312 to form a positioning table 62, a plurality of positioning posts 63 are arranged on the surface of the positioning table 62 facing away from the bottom wall 611, and a plurality of positioning holes 64 penetrate through the positioning table 62 and the bottom wall 611. The first magnetic element 10 is provided with a through hole 101, the first magnetic element 10 is adhered to the bottom wall 611 of the limit groove 61 through the first adhesive layer 11, and the positioning table 62 is provided with the through hole 101, so as to position the first magnetic element 10. The first conductive element 30 is adhered to the surface of the first magnetic element 10 facing away from the bottom wall 611 through the second adhesive layer 31, the first conductive element 30 is provided with a plurality of fixing holes 301 in a penetrating manner, and the positioning columns 63 are correspondingly arranged in the fixing holes 301 to position the first conductive element 30. The conductive connecting piece 50 is disposed in the positioning hole 64 in a penetrating manner, one end of the conductive connecting piece 50 is connected to the first conductive piece 30, and the other end of the conductive connecting piece 50 is exposed from the positioning hole 64 and connected to the second conductive piece 40. The first connector 70 is disposed on a surface of the first conductive element 30 facing away from the first magnetic element 10, and the first connector 70 is electrically connected to the first conductive element 30 for transmitting signals and supplying power.
The limiting member 60 locates the first magnetic member 10 through the locating table 62, locates the conductive connecting member 50 through the locating hole 64, and locates the first conductive member 30 through the locating post 63, so as to reduce the mutual friction between the parts in the middle section housing 310. It will be appreciated that when the middle section housing 310 is separated from the tail section housing 410, the limiting member 60 can reduce the contact area between the components inside the middle section housing 310 and the outside, and reduce the damage to the components.
In some embodiments, the outer peripheral wall of the stopper 60 is further provided with a waterproof rubber ring 65, and the waterproof rubber ring 65 can be used for waterproof and vibration-proof when the middle section 300 and the tail section 400 are connected by magnetic attraction or when the electric toothbrush 1000 is in use.
In some embodiments, the end of the conductive connecting member 50 facing the second conductive member 40 is spherical or hemispherical, i.e., the contact of the end of the conductive connecting member 50 with the second conductive member 40 is a point contact, thereby enabling the conductive connecting member 50 to easily slide on the second conductive member 40.
In the present embodiment, the number of the conductive connecting members 50 is 4, and correspondingly, the number of the positioning holes 64 is 4, and the 4 positioning holes 64 are uniformly formed in the positioning table 62. The number of the positioning posts 63 and the corresponding fixing holes 301 is 3, and the 3 positioning posts 63 are uniformly arranged on the positioning table 62 around the positioning holes 64.
It will be appreciated that in practical applications, the first connector 70 may be wired to the control circuit board 320 for displaying and turning off the LED lights in the middle section 300.
The magnetic connection device 100 further includes a second connector 80, the second connector 80 and the second magnetic member 20 are disposed in the protruding portion 412, and the second conductive member 40 is disposed at the top end of the protruding portion 412. The first end 311 of the protrusion 412 has a top surface 414, the second conductive element 40 is disposed on the top surface 414 through the third adhesive layer 41, and the second magnetic element 20 is disposed on a surface opposite to the top surface 414 through the fourth adhesive layer 21. The top surface 414 has an opening 415 formed therethrough, and one end of the second connector 80 is connected to the second conductive member 40 through the opening 415. One side of the second connector 80 is further connected to the power circuit board 420 (i.e., corresponding to a power module), so that electrical conduction and signal transmission between the middle section 300 and the tail section 400 can be achieved.
In some embodiments, the top surface 414 is further recessed with a positioning slot 4141, and the second conductive member 40 is disposed in the positioning slot 4141. In this embodiment, the first conductive member 30 and the second conductive member 40 are both hard circuit boards.
Defining the connection direction of the middle section 300 and the tail section 400 as the assembly direction L, the inner wall of the accommodating groove 313 is provided with a first guiding part 314 along the assembly direction L, the outer wall of the protruding part 412 is correspondingly provided with a second guiding part 413, and the first guiding part 314 and the second guiding part 413 are mutually matched to realize foolproof and guiding effects.
The first guiding portion 314 may be a guiding groove, and the second guiding portion 413 may be a guiding rail. In other embodiments, the first guide 314 may be a guide rail and the second guide 413 may be a guide slot.
In some embodiments, the second magnetic member 20 has a slot 201, and the second connector 80 is disposed in the slot 201, so that the occupied volume can be reduced. In this embodiment, the slot 201 penetrates the second magnetic member 20 along the connecting direction of the middle section 300 and the tail section 400.
The electric toothbrush 1000 provided by the utility model is characterized in that the magnetic attraction connecting device 100 is arranged between the middle section 300 and the tail section 400, namely, the first magnetic element 10, the first conductive element 30 and the conductive connecting element 50 are arranged in the middle section shell 310, the second magnetic element 20 and the second conductive element 40 are correspondingly arranged in the tail section shell 410, the first magnetic element 10 and the second magnetic element 20 can realize the connection between the middle section 300 and the tail section 400 through magnetic attraction, and the first conductive element 30 and the second conductive element 40 can realize the signal transmission and the power supply between the middle section 300 and the tail section 400 at the same time through the conductive connecting element 50. The electric toothbrush 1000 is simple in structure, convenient to manufacture, high in practicability, simple in magnetic attraction effect, easy to operate and convenient to carry.
Referring to fig. 9 to 13, a second embodiment of the present utility model provides an electric toothbrush 2000, the electric toothbrush 2000 has substantially the same structure as the electric toothbrush 1000, except that:
the first magnetic member 10 does not have a through hole 101, the first magnetic member 10 is disposed in the limiting member 60, and the plurality of conductive connecting members 50 are disposed on opposite sides of the first magnetic member 10.
In this embodiment, the second conductive member 40 is a spring, and the second conductive member 40 includes a straight portion 401 and a clamping portion 402 bent and connected to one end of the straight portion 401. The side of the protruding portion 412 facing the first end 311 has a top wall 416, the flat portion 401 is partially embedded in the top wall 416, and a portion of the flat portion 401 is exposed from the top wall 416 (i.e., the top surface 414), so that the conductive connecting member 50 can be connected to the exposed portion of the flat portion 401 through the positioning hole 64. The clip portion 402 extends out of the top wall 416 toward the first end 311 (i.e., along the assembly direction L) for connection to a power circuit board 420 for electrical conduction and signal transfer without the second connector 80.
Wherein, the surface of the clamping part 402 is provided with a contact 403, and one end of the power circuit board 420 is arranged on the clamping part 402 and contacts with the contact 403 to realize electric conduction.
In some embodiments, the second conductive member 40 may be embedded within the tail section housing 410 using an insert molding process such that the surface of the straight portion 401 is exposed at the top surface 414.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration of the utility model and are not intended to be limiting, and that suitable modifications and variations of the above embodiments are within the scope of the disclosure, insofar as they fall within the true spirit of the utility model.
Claims (10)
1. An electric toothbrush, comprising:
a brush head;
the middle section part comprises a middle section shell, a first end of the middle section shell is provided with a storage groove, and a second end of the middle section shell is connected with the brush head;
the tail section part comprises a tail section shell, and the peripheral side wall of one end of the tail section shell is detachably connected with the inner wall of the containing groove;
the magnetic attraction connecting device comprises a first magnetic part, a second magnetic part, a first conductive part, a second conductive part and a conductive connecting part, wherein the first magnetic part and the first conductive part are arranged in a middle section shell, the second magnetic part and the second conductive part are arranged at the end part of a tail section shell, the first magnetic part and the second magnetic part are detachably fixed through magnetic attraction, one end of the conductive connecting part is electrically connected with the first conductive part, and the other end of the conductive connecting part is electrically connected with the second conductive part when the middle section part and the tail section part are fixed so as to realize signal transmission and electric conduction between the middle section part and the tail section part.
2. The electric toothbrush according to claim 1, wherein the magnetic connection device further comprises a limiting member, the limiting member is disposed in the middle section housing, a limiting groove is recessed in a surface of the limiting member facing the first end, the first magnetic member is disposed in the limiting groove, and the first conductive member is disposed on a side of the first magnetic member facing away from the tail section;
the limiting groove is provided with a locating hole in a penetrating mode, one end of the conductive connecting piece is connected to the first conductive piece, and the other end of the conductive connecting piece penetrates through the locating hole to be used for being connected with the second conductive piece.
3. The electric toothbrush according to claim 2, wherein the bottom wall of the limit slot is provided with a positioning table protruding towards the second end, and the positioning hole penetrates through the positioning table and the bottom wall of the limit slot;
the first magnetic piece is provided with a through hole in a penetrating mode, and the positioning table penetrates through the through hole to position the first magnetic piece.
4. The electric toothbrush according to claim 3, wherein a surface of the positioning table facing away from the bottom wall is provided with a positioning post, the first conductive member is provided with a fixing hole, and the positioning post is provided in the fixing hole to fix the first conductive member.
5. The electric toothbrush according to claim 1 wherein the magnetic attachment means further comprises a first connector disposed on a surface of the first conductive element facing away from the first magnetic element;
and a control circuit board is further arranged in the middle section shell, one end of the first connector is electrically connected with the first conductive piece, and the other end of the first connector is connected with the control circuit board to realize signal transmission.
6. The electric toothbrush according to claim 1, wherein the rear section housing includes a main body portion and a protruding portion connected to one end of the main body portion, the protruding portion being received in the receiving groove;
the protruding portion is provided with a top surface towards one side of the first end, the second conductive piece is arranged on the top surface, and the second magnetic piece is accommodated in the protruding portion.
7. The electric toothbrush according to claim 6 wherein the magnetic attachment means further comprises a second connector disposed within the projection, the top surface having an opening therethrough, one end of the second connector being connected to the second conductive member through the opening for power and signal transmission.
8. The electric toothbrush of claim 6, wherein a power circuit board is further disposed within the tail section housing;
the second conductive piece comprises a straight part and a clamping part connected to one end of the straight part, at least part of the straight part is exposed from the end part of the tail section shell towards the first end, the conductive connecting piece is connected to the exposed part of the straight part, and the clamping part is connected with the power circuit board to realize power supply and signal transmission.
9. The electric toothbrush according to claim 8 wherein an end of the projection facing the first end has a top wall, the straight portion being partially embedded in the top wall and partially exposed from the top wall to electrically connect the conductive connector, the clip portion extending out of the top wall in a direction away from the first end;
the surface of the clamping part is provided with a contact, and the extended part of the clamping part is connected with the power circuit board in a conductive way through the contact.
10. The electric toothbrush according to claim 1, wherein a first guide portion is provided on an inner wall of the receiving groove along a connecting direction of the middle section portion and the tail section portion, a second guide portion is provided to extend from an end of the tail section housing connected to the middle section portion, and the first guide portion and the second guide portion are connected to each other in cooperation for foolproof and guiding.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320679538.4U CN219680831U (en) | 2023-03-30 | 2023-03-30 | electric toothbrush |
| JP2023002889U JP3244056U (en) | 2023-03-30 | 2023-08-09 | electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320679538.4U CN219680831U (en) | 2023-03-30 | 2023-03-30 | electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219680831U true CN219680831U (en) | 2023-09-15 |
Family
ID=87944685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320679538.4U Active CN219680831U (en) | 2023-03-30 | 2023-03-30 | electric toothbrush |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3244056U (en) |
| CN (1) | CN219680831U (en) |
-
2023
- 2023-03-30 CN CN202320679538.4U patent/CN219680831U/en active Active
- 2023-08-09 JP JP2023002889U patent/JP3244056U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP3244056U (en) | 2023-10-05 |
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