CN207691690U - Multifunctional adapter - Google Patents

Multifunctional adapter Download PDF

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Publication number
CN207691690U
CN207691690U CN201721648886.6U CN201721648886U CN207691690U CN 207691690 U CN207691690 U CN 207691690U CN 201721648886 U CN201721648886 U CN 201721648886U CN 207691690 U CN207691690 U CN 207691690U
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CN
China
Prior art keywords
cathode contact
adaptor body
electric connector
interface
expander ontology
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.)
Expired - Fee Related
Application number
CN201721648886.6U
Other languages
Chinese (zh)
Inventor
杨永元
贾红叶
叶孟力
沈寿明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Kai Hui Electronic Technology Co Ltd
Original Assignee
Shenzhen Kai Hui Electronic Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Kai Hui Electronic Technology Co Ltd filed Critical Shenzhen Kai Hui Electronic Technology Co Ltd
Priority to CN201721648886.6U priority Critical patent/CN207691690U/en
Application granted granted Critical
Publication of CN207691690U publication Critical patent/CN207691690U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of multifunctional adapter, including adaptor body and Interface Extender, adaptor body has one first electric connector;Interface Extender includes expander ontology and the connection plug that is electrically connected with expander ontology, expander ontology has at least one expansion interface and one second electric connector, for being communicated with connection plug data, the second electric connector is electrically connected at least one expansion interface with connection plug;Expander ontology is detachably connected with adaptor body, and when expander ontology is connect with adaptor body, the second electric connector and the first electric connector are in electrical contact.The multifunctional adapter of the utility model, adaptor body can be applied in combination with Interface Extender, can also use individually, and using flexible is easy to carry.

Description

Multifunctional adapter
Technical field
The utility model is related to power supply adaptor and docking station more particularly to a kind of multifunctional adapters.
Background technology
Power supply adaptor (Power adapter) is the power supply transformation of small portable electronic device and electronic apparatus Equipment is generally made of components such as shell, transformer, inductance, capacitance, control IC, pcb boards, its operation principle is by exchanging Input is converted to direct current output.
Docking station (Docking Station) is a kind of interface extending device, for extending laptop, tablet computer The function of equal electronic equipments, by interface and slot, it can connect multiple external equipments, as driver, large screen display, Keyboard, printer, scanner, projecting apparatus etc..
It is the indispensable carry-on ancillary equipment of people for power supply adaptor, docking station, frequency of use is high, however, related Power supply adaptor and docking station in technology can only all be used alone, and it is also inconvenient to carry.In addition, for only there are one interfaces The electronic equipment of (such as Type-C interfaces) cannot then use power supply adaptor and docking station, that is to say, that cannot be simultaneously simultaneously It charges for electronic equipment and electronic equipment is connected to by other equipment by docking station, therefore, be used for causing limitation, It cannot meet the needs of users.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality It is to propose a kind of multifunctional adapter with novel purpose.
To achieve the above object, according to the multifunctional adapter of the utility model embodiment, including:
Adaptor body has one first electric connector, to export direct current;
Interface Extender comprising expander ontology and the connection plug being electrically connected with the expander ontology, it is described Expander ontology have at least one expansion interface and one second electric connector, at least one expansion interface be used for it is described Connection plug data communicate, and second electric connector is electrically connected with the connection plug;
The expander ontology is detachably connected with the adaptor body, when the expander ontology and the adapter When ontology connects, second electric connector and first electric connector are in electrical contact, and the direct current is electrically connected by second It connects device and is transmitted to the connection plug.
According to the multifunctional adapter that the utility model embodiment provides, expander ontology detachably connects with adaptor body It connects, when expander ontology is connect with adaptor body, the second electric connector and the first electric connector are in electrical contact, and direct current is logical It crosses the second electric connector and is transmitted to the connection plug.That is, adaptor body can be applied in combination with Interface Extender, It can also use individually.When being applied in combination, it is electronics that adaptor body, which can utilize the connection plug of Interface Extender, Equipment charge, meanwhile, the expansion interface on Interface Extender can be connected with other equipment (such as display), and then electronics is set The standby other equipment that is connected to realizes data communication, and, it is only necessary to there are one interfaces for tool on electronic equipment.And individually make Used time splits adaptor body and Interface Extender each other, in this way, its is flexible and convenient to use, it is easy to carry.
In addition, can also have following additional technology special according to the multifunctional adapter of the utility model above-described embodiment Sign:
One embodiment according to the present utility model, first electric connector include at least the first cathode contact and first Cathode contact, the second cathode contact and the second cathode contact that second electric connector includes at least;
When the expander ontology is connect with the adaptor body, first cathode contact and second anode Contact is in electrical contact, and first cathode contact and second cathode contact are in electrical contact.
One embodiment according to the present utility model, the expander ontology pass through magnetic absorption with the adaptor body Component absorption connection.
One embodiment according to the present utility model, first cathode contact and the first cathode contact are resilient contact, Alternatively, second cathode contact and the second cathode contact are resilient contact.
There is first surface, first anode to touch for one embodiment according to the present utility model, the adaptor body Point and the first cathode contact are set to the first surface;There is the expander ontology second surface, second anode to touch Point and the second cathode contact are set to the second surface;
The magnetic absorption component includes magnetic part and by adsorption piece, the magnetic part be set to the adaptor body and It is described to be set in the adaptor body and the expander ontology by adsorption piece on one in the expander ontology On another;
When the expander ontology and the adaptor body adsorb, the first surface is pasted with the second surface It closes.
One embodiment according to the present utility model, one in the first surface and second surface is equipped with convex It rises, another in the first surface and second surface is equipped with the locating slot coordinated with the positioning protrusion.
One embodiment according to the present utility model, the first surface and second surface are rectangle, the convex It rises and locating slot is four, four positioning protrusion are respectively arranged at one 's in the first surface and second surface Four corners, four locating slots are respectively arranged at another four corners in the first surface and second surface.
One embodiment according to the present utility model, the expansion interface include USB interface, USB interface, HDMI interface, At least one of cable interface, DVI interface and SD card interface.
One embodiment according to the present utility model, the connection plug are connected with the expander ontology by transmission cable It connects, second electric connector is connect by power cord in the transmission cable with the connection plug.
One embodiment according to the present utility model, the adaptor body also have at least one power output interface.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description In become apparent, or recognized by the practice of the utility model.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model embodiment multifunctional adapter assembled state;
Fig. 2 is the structural schematic diagram of the utility model embodiment multifunctional adapter disassembled form;
Fig. 3 is the structural schematic diagram of adaptor body in the utility model embodiment multifunctional adapter;
Fig. 4 is the structural schematic diagram of Interface Extender in the utility model embodiment multifunctional adapter.
Reference numeral:
Adaptor body 10;
First electric connector 101;
First cathode contact 1011;
First cathode contact 1012;
Positioning protrusion 102;
Ac plug 103;
Usb 1 04a;
Type-C interfaces 104b;
First surface S10;
Interface Extender 20;
Expander ontology 201;
USB interface 2011a;
USB interface 2011b;
HDMI interface 2011c;
Second electric connector 2012;
Second cathode contact 2012a;
Second cathode contact 2012b;
Locating slot 2013;
Connection plug 202;
Transmission cable 203;
Second surface S20.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation, be based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " " axial direction ", " circumferential direction ", " radial direction " is orientation based on ... shown in the drawings Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model System.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can Can also be electrical connection to be mechanical connection;It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special Sign second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only Indicate that fisrt feature level height is less than second feature.
The multifunctional adapter of the utility model embodiment is described in detail with reference to the accompanying drawings.
Shown in Fig. 4, according to the multifunctional adapter that the utility model embodiment provides, including adapter sheet Body 10 and Interface Extender 20.
Specifically, adaptor body 10 has one first electric connector 101, to export direct current.That is, adaptation Device ontology 10 is the direct current for alternating current to be converted to predetermined voltage.
The adaptor body 10 may include adapter shell, ac plug 103 and power-switching circuit plate, ac plug 103 be set on adaptor body shell and with power supply power conversion plate be electrically connected, for external ac power source plug with Incoming transport electricity, power-switching circuit plate is set in adapter shell, the alternating current is converted to predetermined voltage Direct current, the first electric connector 101 is set on adaptor body shell and power-switching circuit plate is electrically connected, on exporting State direct current.
Interface Extender 20 includes expander ontology 201 and the connection plug with the expander ontology 201 electric connection 202, the expander ontology 201 has at least one expansion interface and one second electric connector 2012, at least one expansion For exhibition interface for being communicated with 202 data of the connection plug, second electric connector 2012 is electrical with the connection plug 202 Connection.
Expander ontology 201 is detachably connected with the adaptor body 10, when the expander ontology 201 with it is described When adaptor body 10 connects, second electric connector 2012 and first electric connector 101 are in electrical contact, described straight Galvanic electricity is transmitted to the connection plug 202 by the second electric connector 2012.
That is, expander ontology 201 can be that is to say with adaptor body 10 with dismantling connection, adaptor body 10 It can disassemble to form two parts independent of each other from expander ontology 201, and then adaptor body ontology is used alone With Interface Extender 20, meanwhile, adaptor body 10 can also combine to form one with expanded body ontology, be combined use, In combination, the first electric connector 101 on adaptor body 10 and 2012 electricity of the second electric connector on expander ontology 201 Property conducting.
It should be noted that no matter Interface Extender 20 is to be applied in combination with adaptor body 10, still individually In use, can carry out data transmission between the expansion interface on expander ontology 201 and connection plug 202, connect with realizing The Interface Expanding function of mouth expander 20, in specific application, connection plug 202 can be connected to the interface of electronic equipment, example Such as USB interface, expansion interface can be connected to other electronic equipments, in this way, can be carried out between electronic equipment and other equipment Data communicate.And when Interface Extender 20 and adaptor body 10 are applied in combination, due to the second electricity on expander ontology 201 Connector 2012 in electrical contact with the first electric connector 101 on adaptor body 10, so, the first electric connector 101 is defeated The direct current gone out can be transmitted to connection plug 202, then be charged for electronic equipment by connection plug 202.
According to the multifunctional adapter that the utility model embodiment provides, expander ontology 201 can with adaptor body 10 Dismantling connection, when expander ontology 201 is connect with adaptor body 10, the second electric connector 2012 and the first electric connector 101 is in electrical contact, and direct current is transmitted to the connection plug 202 by the second electric connector 2012.That is, adapter sheet Body 10 can be applied in combination with Interface Extender 20, can also use individually.When being applied in combination, adaptor body 10 can It is charged for electronic equipment with the connection plug 202 using Interface Extender 20, meanwhile, the expansion interface on Interface Extender 20 can It is connected with other equipment (such as display), and then electronic equipment is connected to other equipment and realizes data communication, also, only needed Wanting on electronic equipment tool, there are one interfaces.And when being used alone, each other by adaptor body 10 and Interface Extender 20 Fractionation, in this way, its is flexible and convenient to use, it is easy to carry.
With reference to shown in Fig. 2, in one embodiment of the utility model, the first electric connector 101 is including at least first just Pole contact 1011 and the first cathode contact 1012, the second cathode contact 2012a that second electric connector 2012 includes at least And the second cathode contact 2012b.When the expander ontology 201 is connect with the adaptor body 10, first anode Contact 1011 and the second cathode contact 2012a are in electrical contact, and first cathode contact 1012 is touched with second cathode Point 2012b is in electrical contact.
That is, the first electric connector 101 and the second electric connector use contact structure, in this way, facilitating expander sheet When body 201 is connect with adaptor body 10, the first cathode contact 1011 and the second cathode contact 2012a are in electrical contact, and first is negative Pole contact 1012 and the second cathode contact 2012b are in electrical contact, and then keep the state that well electrically conducts.In addition, also square Just it dismantles, it is simple in structure.
It is understood that the first electric connector and the second electric connector can also include other contacts, the number of contact Amount can be arranged as required to.
Advantageous, in an example of the utility model, expander ontology 201 passes through magnetic with the adaptor body 10 Property absorbent module (not shown) absorption connection.It that is to say, magnetic absorption is used between expander ontology 201 and adaptor body 10 Connection type, in this way, expander ontology 201 is connect with adaptor body 10 and convenient disassembly, meanwhile, appearance is more succinct, no Influence expander ontology 201, adaptor body 10 is used alone.
It is understood that the connection type between expander ontology 201 and the adaptor body 10 is without being limited thereto, It is detachable that other may be used in the other embodiment of the utility model between expander ontology 201 and the adaptor body 10 Connection type, such as snap connection, the modes such as grafting.
More favorably, the first cathode contact 1011 and the first cathode contact 1012 are resilient contact, alternatively, described second Cathode contact 2012a and the second cathode contact 2012b is resilient contact.In this way, when expander ontology 201 and adaptor body 10 When connection is combined, the first cathode contact 1011 and the second cathode contact 2012a elasticity contradict, the first cathode contact 1012 It is contradicted with the second cathode contact 2012b elasticity, in this way, can keep being electrically connected relatively reliable.
With reference to shown in Fig. 2, in some embodiments of the utility model, adaptor body 10 has first surface S10, institute It states the first cathode contact 1011 and the first cathode contact 1012 is set to the first surface S10;The expander ontology 201 With second surface S20, the second cathode contact 2012a and the second cathode contact 2012b are set to the second surface S20。
Magnetic absorption component includes magnetic part and by adsorption piece, and the magnetic part is set to the adaptor body and described It is described to be set in the adaptor body and the expander ontology 201 by adsorption piece on one in expander ontology 201 Another on;When the expander ontology 201 and the adaptor body 10 adsorb, the first surface S10 with it is described Second surface S20 fittings.
That is, the first cathode contact 1011 and the first cathode contact 1012 are set to the first of adaptor body 10 Second cathode contact 2012a and the second cathode contact 2012b are set to the second surface of expander ontology 201 by surface S10 S20, also, magnetic part and be arranged on adaptor body 10 by one in adsorption piece in magnetic absorption component, such as directly It is located on first surface S10, or is located at 10 inside of the adaptor body position opposite with first surface S10;It is corresponding, it is magnetic In absorbent module magnetic part and by another setting in adsorption piece on expander ontology 201, such as be directly arranged in the second table On the S20 of face, or it is located at 201 inside of the expander ontology position opposite with second surface S20, in this way, working as expander ontology 201 with adaptor body 10 when being attached together, you can so that first surface S10 and second surface S20 keeps fitting, then first The first cathode contact 1011 and the first cathode contact 1012 on the S10 of surface can just respectively on second surface S20 Two cathode contact 2012a and the second cathode contact 2012b correspond to contact.Thereby, it is possible to make first surface S10 and second surface S20 is fitted closely, so ensure can the first cathode contact 1011 and the first cathode contact 1012 can respectively with second surface S20 On the second cathode contact 2012a and the second cathode contact 2012b keep solid and reliable contact.
Shown in referring to Figure 2 to Figure 4, in one embodiment of the utility model, first surface S10 and second surface S20 In one be equipped with positioning protrusion 102, in the first surface S10 and second surface S20 another equipped with it is described The locating slot 2013 that positioning protrusion 102 coordinates.In this way, when expander ontology 201 and the absorption of adaptor body 10 connect, it can be with It is realized and is positioned by the cooperation of positioning protrusion 102 and locating slot 2013, it is ensured that the first cathode contact 1011 and the first cathode contact 1012 can respectively on second surface S20 the second cathode contact 2012a and the second cathode contact 2012b be aligned, also, expand Device ontology 201 is opened up with after the absorption connection of adaptor body 10, will not be moved in the horizontal direction, it is ensured that can connect relatively reliable.
Advantageous, first surface S10 and second surface S20 are rectangle, and the positioning protrusion 102 and locating slot 2013 are equal It it is four, four positioning protrusion 102 are respectively arranged at four of one in the first surface S10 and second surface S20 A corner, four locating slots 2013 are respectively arranged at another four in the first surface S10 and second surface S20 A corner.
Illustratively, expansion interface includes that USB interface 2011a, USB interface 2011b, HDMI interface 2011c, cable connect At least one of mouth, DVI interface and SD card interface, in this way, the extension of various different function may be implemented.
With reference to shown in Fig. 2, in one embodiment of the utility model, connection plug 202 and the expander ontology 201 It is connected by transmission cable 203, second electric connector is inserted by power cord in the transmission cable 203 and the connection First 202 connection, in this way, connection plug 202 can be movable relative to expander ontology 201, and then convenient for being connected to electronic equipment, Avoid expander ontology 201 relatively close apart from electronic equipment and caused by limited space problem.
With reference to shown in Fig. 3, in one embodiment of the utility model, adaptor body also has at least one power supply defeated Outgoing interface, in Fig. 3 examples, adaptor body also has usb 1 04a and Type-C interface 104b, in adaptor body When 10 exclusive use, it can be connected to data line by power output interface, utilize data line electron equipment charge etc., It is more convenient to use.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combines and combination.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention, Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of multifunctional adapter, which is characterized in that including:
Adaptor body has one first electric connector, to export direct current;
Interface Extender comprising expander ontology and the connection plug being electrically connected with the expander ontology, the extension There is device ontology at least one expansion interface and one second electric connector, at least one expansion interface to be used for and the connection Plug data communicate, and second electric connector is electrically connected with the connection plug;
The expander ontology is detachably connected with the adaptor body, when the expander ontology and the adaptor body When connection, second electric connector and first electric connector are in electrical contact, and the direct current passes through the second electric connector It is transmitted to the connection plug.
2. multifunctional adapter according to claim 1, which is characterized in that first electric connector includes at least first Cathode contact and the first cathode contact, the second cathode contact and the second cathode contact that second electric connector includes at least;
When the expander ontology is connect with the adaptor body, first cathode contact and second cathode contact In electrical contact, first cathode contact and second cathode contact are in electrical contact.
3. multifunctional adapter according to claim 2, which is characterized in that the expander ontology and the adapter sheet Body is adsorbed by magnetic absorption component and is connected.
4. multifunctional adapter according to claim 2, which is characterized in that first cathode contact and the first cathode touch Point is resilient contact, alternatively, second cathode contact and the second cathode contact are resilient contact.
5. multifunctional adapter according to claim 3, which is characterized in that the adaptor body has first surface, First cathode contact and the first cathode contact are set to the first surface;The expander ontology has second surface, Second cathode contact and the second cathode contact are set to the second surface;
The magnetic absorption component includes magnetic part and by adsorption piece, and the magnetic part is set to the adaptor body and described On one in expander ontology, it is described be set to by adsorption piece it is another in the adaptor body and the expander ontology On a;
When the expander ontology and the adaptor body adsorb, the first surface is bonded with the second surface.
6. multifunctional adapter according to claim 5, which is characterized in that one in the first surface and second surface A to be equipped with positioning protrusion, another in the first surface and second surface with what the positioning protrusion coordinated equipped with determining Position slot.
7. multifunctional adapter according to claim 6, which is characterized in that the first surface and second surface are square Shape, the positioning protrusion and locating slot are four, and four positioning protrusion are respectively arranged at the first surface and second One four corner in surface, four locating slots are respectively arranged at another in the first surface and second surface Four a corners.
8. multifunctional adapter according to claim 1, which is characterized in that the expansion interface includes USB interface, VGA At least one of interface, HDMI interface, cable interface, DVI interface and SD card interface.
9. multifunctional adapter according to claim 1, which is characterized in that the connection plug and the expander ontology It is connected by transmission cable, second electric connector is connect by power cord in the transmission cable with the connection plug.
10. multifunctional adapter according to claim 1, which is characterized in that the adaptor body also has at least one A power output interface.
CN201721648886.6U 2017-12-01 2017-12-01 Multifunctional adapter Expired - Fee Related CN207691690U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721648886.6U CN207691690U (en) 2017-12-01 2017-12-01 Multifunctional adapter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721648886.6U CN207691690U (en) 2017-12-01 2017-12-01 Multifunctional adapter

Publications (1)

Publication Number Publication Date
CN207691690U true CN207691690U (en) 2018-08-03

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Application Number Title Priority Date Filing Date
CN201721648886.6U Expired - Fee Related CN207691690U (en) 2017-12-01 2017-12-01 Multifunctional adapter

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109240424A (en) * 2018-09-21 2019-01-18 深圳市真多点科技有限公司 A kind of expanding unit
CN111245256A (en) * 2018-11-29 2020-06-05 群光电能科技股份有限公司 Power supply device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109240424A (en) * 2018-09-21 2019-01-18 深圳市真多点科技有限公司 A kind of expanding unit
CN111245256A (en) * 2018-11-29 2020-06-05 群光电能科技股份有限公司 Power supply device

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Granted publication date: 20180803