WO2019000844A1

WO2019000844A1 - Adapter, adaptation device and charging apparatus

Info

Publication number: WO2019000844A1
Application number: PCT/CN2017/114665
Authority: WO
Inventors: 王星
Original assignee: 深圳市星磁科技有限公司
Priority date: 2017-06-28
Filing date: 2017-12-05
Publication date: 2019-01-03
Also published as: CN207677224U; CN207801095U

Abstract

The present invention relates to an adapter, comprising a housing, a first connection end and a second connection end. The housing comprises a first support leg, a second support leg and a connection part, wherein the connection part is arranged between the first support leg and the second support leg to connect the first support leg and the second support leg. The first connection end is fixed to the first support leg and is used for electrically connecting to an electronic apparatus, and the second support leg comprises one side close to the first support leg and an opposite side away from the first support leg. The second connection end is electrically connected to the first connection end, is fixed on the second support leg and exposed on the side of the second support leg that is away from the first support leg, and is used for electrically connecting to an external charging apparatus or an adaptation apparatus. Also provided are an adaptation device and a charging apparatus.

Description

Adapter, adapter and charging device

[Technical Field]

The invention relates to the field of electronic product accessories, in particular to an adapter, an adapter device and a charging device.

【Background technique】

With the rapid development of digital technology, electronic 3C products have become almost a must in everybody's life. Based on the need to charge the electronics, we must use the connector.

However, existing connectors are inconvenient to carry, and each connector can only be adapted to an electronic 3C product having a charging interface. Therefore, the adaptation of the connector to the electronic product interface has great limitations. Therefore, the adapter device came into being, and the adapter device can be adapted to the interface of the electronic 3C product, and the electrical connection mode of the interface between the traditional connector and the electronic 3C product is converted into a contact type electrical connection mode, that is, only The adapter is inserted into the interface of the opposite electronic 3C product, and the adapter exposes the electrical signal contacts in the connector for electrical connection with the external electrical signal contacts to enable charging of the electronic 3C product and/or Data transmission, because the signal in the interface of the electronic 3C product is externally led, so that various charging devices can be electrically connected with the external signal terminals, so that the electronic 3C product can be adapted to various connectors through one adapter.

However, the existing adapter has an unreasonable structural design, so that the adapter is not portable, and it is easy to slip in the charging interface of the charging sub-device, and the electrical connection performance with the external switching device is unstable.

[Summary of the Invention]

To overcome the technical problems of existing adapters. The invention provides an adapter, a switching device and a charging device.

The technical solution of the present invention is to provide an adapter for plugging in with an electronic device charging interface and electrically connecting with an external switching device or a charging device, and changing the conventional plug-in charging method to contact charging. The housing includes a first connecting end and a second connecting end. The housing includes a first leg, a second leg, and a connecting portion, and the connecting portion is disposed between the first leg and the second leg. Connecting the first leg and the second leg; the first connecting end is fixed to the first leg for electrically connecting to the electronic device The second leg includes a side adjacent to the first leg and an opposite side away from the first leg, the second connection end is electrically connected to the first connection end, and is fixed on the second leg and exposed The second leg is remote from the surface of the first leg for electrically connecting with the external charging device or the switching device; when the first leg is inserted into the charging interface of the electronic device, the first connecting end is electrically connected to the electronic device, and The connecting portion is attached to an outer wall of the electronic device.

Preferably, the first connecting end is provided with a first electrical contact and a first insulating member, and the insulating member is insulated to isolate the first electrical contact; the first leg includes an opposite first surface and a first a second surface, the second surface is adjacent to the second leg, the second surface is provided with a first groove, the first insulating member is received in the first groove, and the first electrical contact is at least partially exposed In the first groove.

Preferably, the first leg and the second leg are parallel to each other, and there is a spacing W between the first leg and the second leg, 6 mm ≥ W ≥ 1.5 mm

Preferably, the connecting portion is curved in an arc shape and has a thickness of 0.2 mm to 1 mm.

Preferably, the second leg has a thickness of 0.2 mm to 1 mm.

Preferably, the adapter further includes a connection circuit electrically connecting the first connection end and the second connection end; the connection circuit is an FPC flexible circuit board.

Preferably, the connecting portion is two connecting arms, and the connecting arms are hollow structures, and the FPC flexible circuit board is disposed between the two connecting arms to connect the first connecting end and the second connecting end.

Preferably, when the first connection end is adapted to the lighting interface, the first connection end further comprises an identification component, the identification component being electrically connected to the second electrical contact.

The present invention also provides an adapter device comprising: an adapter and a transfer back clip, the adapter and the transfer back clip are separated from each other; the adapter includes: a housing, a first connection end, and a a second connecting end; the housing includes a first leg, a second leg and a connecting portion, the connecting portion is disposed between the first leg and the second leg, and connects the first leg and the second leg; a connecting end fixed to the first leg for electrically connecting with an electronic device; the second leg comprising a side close to the first leg and an opposite side away from the first leg, the second connecting end and the The first connecting end is electrically connected to the second leg and is exposed on the surface of the second leg away from the first leg for electrically connecting with an external charging device or the switching device; the first leg is inserted into the electronic device for charging Interface, The first connection end is electrically connected to the electronic device, and the connection portion is attached to the outer wall of the electronic device; the transfer back clip forms a accommodating cavity for accommodating the electronic device, and the transfer back clip is provided with the first a transfer contact and a second transfer contact, the first transfer contact and the second transfer contact are electrically connected, and the second transfer contact is exposed to the transfer back clip when the adapter is The first switching contact is electrically connected to the second connecting end when the transfer back clip contacts.

Preferably, the adapter comprises a first guiding member, the first guiding member is disposed on a second leg and/or a connecting portion of the housing; the first guiding member is a protrusion, a groove or a magnetic member A second guiding member is disposed on the transfer back clip, and the first guiding member and the second guiding member are in positional contact.

The present invention also provides a charging device comprising: an adapter, a transfer back clip, and a charging device; the adapter includes: a housing, a first connecting end, and a second connecting end; the housing includes the first a leg, a second leg, and a connecting portion, the connecting portion is disposed between the first leg and the second leg, and connects the first leg and the second leg; the first connecting end is fixed to the first leg, For electrically connecting to an electronic device; the second leg includes a side adjacent to the first leg and an opposite side away from the first leg, the second connection end is electrically connected to the first connection end, and is fixed to the first The two legs are exposed on the surface of the second leg away from the first leg for electrically connecting with the external charging device or the switching device; when the first leg is inserted into the charging interface of the electronic device, the first connecting end is The electronic device is electrically connected, and the connecting portion is attached to the outer wall of the electronic device; the transfer back clip forms a receiving cavity for accommodating the electronic device, and the first back contact and the second are disposed in the transfer back clip Transfer contact, said first The contact point is electrically connected to the second transfer contact, the second transfer contact is exposed to the transfer back clip, and the first transfer contact is contacted when the adapter is in contact with the transfer back clip Electrically connecting with the second connection end; the charging device is magnetically attracted to the transfer back clip and electrically connected to the second transfer contact.

Preferably, the charging device comprises a protective casing, a charging assembly, a stylus and a second magnetic member, the protective casing comprising a first protective casing and a second protective casing, the first protective casing and the second protective casing being interlocked Forming a receiving cavity to receive the charging component, the stylus and the second magnetic component; the stylus is electrically connected to the charging component and exposed to the first protective case; and the transfer back clip is provided with The first magnetic member is magnetically attracted to the second magnetic member such that the second transfer contact is in electrical contact with the contact pin.

Preferably, the charging device further comprises a circuit protection component, the circuit protection component being electrically connected to the stylus.

Preferably, the charging device further includes an external contact point electrically connected to the stylus and exposed to the second protective case.

Preferably, the charging device further comprises an expansion component electrically connected to the charging component; the expansion component may be an audio player, a WIFI transmitter or a wireless router.

Compared with the prior art, the adapter provided by the present invention has the following beneficial effects.

1. The first connection end is fixed to the first leg, so that the first connection end is electrically connected to the conductive contact in the charging interface of the electronic device after being inserted into the charging interface of the electronic device.

The second connecting end is received in a side of the second leg away from the first leg, and the second electrical contact is exposed to the second leg. After the first connection end of the adapter is plugged into the charging interface of the electronic device, the connection portion is attached to the outer wall of the electronic device, and the adapter portion is adhered to the outer wall surface of the electronic device, so that the adapter can be stably connected with the electronic device, and at the same time Simply connect the second electrical contact with the external switching device to make an electrical connection, and when the charging is completed, the bracket can separate the electronic device from the external switching device, and the adapter is separated from the external electronic device. It will not cause any damage or deformation to the adapter, and the structure is small and portable.

2. After the first leg and the second leg are extended in the same direction, the first leg is inserted into the charging interface of the electronic device, and the second leg is attached to the back of the electronic device, and the avoidance affects the related operation of the screen of the electronic device, and Since the first leg and the second leg extend in the same direction, the adapter structure is more compact and portable. At the same time, the electronic device can be clamped to avoid the shaking, so that the adapter is disconnected from the charging interface of the electronic device, and the stability of the electrical connection between the adapter and the switching device is ensured.

3. After the first recess is opened on the second surface of the first leg, after the first insulating component is received in the first recess, the first electrical contact is at least partially exposed to the first recess, and only the first The electrical contact is exposed to the second surface adjacent to the second leg and is shielded by the second leg to reduce the risk of short circuit caused by the exposure of the first electrical contact.

4. By designing the thickness of the connecting part to 0.2mm-1mm and the thickness of the second leg to 0.2mm-1mm, the adapter structure can be made smaller and fit on the electronic device, so that even when the electronic device is in use, Plugging the adapter into the charging interface of the electronic device also does not affect the use of the electronic device.

[Description of the Drawings]

FIG. 1 is a schematic structural view of an adaptor and an electronic device according to the present invention.

2A is a schematic perspective view of an adapter provided by the present invention.

2B is a schematic view showing an explosion structure of an adapter provided by the present invention.

2C is a schematic perspective view of an adapter housing provided by the present invention.

2D is a schematic structural view of an adapter housing and a second connecting end provided by the present invention.

3 is a schematic perspective view showing a modified embodiment of an adapter provided by the present invention.

4A is a schematic perspective view of the adapter device provided by the present invention.

4B is a schematic structural view of a transfer back clip of the adapter device provided by the present invention.

4C is a schematic enlarged view of the structure at A in FIG. 4B.

4D is a schematic view showing a modified structure of the transfer back clip.

FIG. 5A is a schematic perspective view of a charging device provided by the present invention.

FIG. 5B is a schematic structural view of a transfer back clip of the charging device provided by the present invention.

FIG. 5C is a schematic perspective view showing the charging device of the charging device provided by the present invention.

FIG. 5D is a schematic diagram showing the explosion structure of the charging device of the charging device provided by the present invention.

FIG. 5E is a schematic view of the back structure of a modified structure of the charging device of the charging device provided by the present invention.

FIG. 5F is a schematic structural view of a charging device provided by the present invention.

FIG. 5G is a schematic diagram showing another modified structure of the charging device of the charging device provided by the present invention.

【Detailed ways】

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to FIG. 1 , a first embodiment of the present invention provides an adapter 10 for plugging in with a charging interface of an electronic device M, and electrically connecting with a switching device or a charging device, and adopting a conventional plug-in charging method. Changing to contact charging, the electronic device M can be a mobile phone, an ipad or the like. The transfer device can be a back clip (rechargeable phone case), a portable speaker, and the like.

Referring to FIGS. 2A-2D, the adapter 10 includes a first connection end 20, a second connection end 30, a housing 40, and a connection circuit 50. The first connecting end 30 is received in the housing 40, and the first connecting end 20 is connected to the electronic device M, and the second connecting end 30 is used for connecting with the switching device. The second connection end 30 and the first connection end 20 are connected by the connection circuit 50, so that the electronic device can complete the purpose of charging, data transmission, etc., and the connection circuit 50 can be an FPC flexible circuit board, a PCB board or a wire, preferably an FPC flexible circuit. The board, the FPC flexible circuit board can be bent, and can be well fitted to the housing 40.

The housing 40 may be made of a metal material or plastic, and includes a first leg 401, a second leg 403, and a connecting portion 405. The connecting portion 405 is disposed between the first leg 401 and the second leg 403 and connects the first leg 401 and the second leg 403. Preferably, the first leg 401, the second leg 403, and the connecting portion 405 are integrally formed to enhance the overall strength of the housing 40. The connecting portion 405 has a thickness of 0.2 mm to 1 mm and is curved in an arc shape to fit the wall surface of the outer wall of the electronic device, thereby reducing the risk that the thickness of the adapter 10 is too large to be easily touched by foreign objects.

It can be understood that the housing 40 can also be made of a combination of a metal material and a plastic material, for example, a shell of several materials such as powder metallurgy, zinc alloy, plastic, or a metal-plastic composite casing, in which case the housing 40 is The molding process can be injection molded by an injection molding machine.

Further, the first leg 401 and the second leg 403 are designed in parallel with each other and extend in the same direction. The length of the first leg 401 extending in the first direction is D1, 8.5 mm ≥ D1 ≥ 3.5 mm, the thickness of the second leg 403 is 0.2 mm - 1 mm, and the length extending in the first direction is D2, 10 mm ≥ D2 ≥ 2 mm. The first direction is the same as the direction in which the electronic device charging interface extends in the horizontal direction. There is a spacing W between the first leg 401 and the second leg 403, 6 mm ≥ W ≥ 1.5 mm. The spacing W matches the thickness of the back of the electronic device to which the electronic device interfaces, so that the adapter 10 can be clamped to the electronic device charging interface by appropriately extending the second leg The extension of the 403 in the first direction allows the second leg 403 to better grip the lamination electronic device with the first leg 401.

The first leg 401 includes opposing first and second surfaces, the first surface being a surface remote from the second leg 403 and the second surface being a surface proximate to the second leg 403. The first connecting end 20 includes a first electrical contact 201 and a first insulating member 203. The first electrical contact 201 is plural. The first insulating member 203 insulates and isolates the plurality of first electrical contacts 201 to avoid multiple firsts. The electrical contact 201 is electrically shorted. The first connecting end 20 is fixed on the first leg 401 so that when the first leg 401 is inserted into the charging interface of the electronic device, the first connecting end 20 can be electrically connected to the conductive contact in the charging interface of the electronic device.

Preferably, a first recess 4011 is defined in the second surface of the first leg 401. After the first insulating member 203 is received in the first recess 4011, the first electrical contact 201 is at least partially exposed to the first recess 4011. By merely exposing the first electrical contact 201 to the second surface adjacent to the second leg 403, the shielding effect of the second leg 403 is utilized to reduce the risk of short circuit caused by the exposure of the first electrical contact 201.

The second leg 403 includes a side adjacent the first leg 401 and an opposite side away from the first leg 401. The second connecting end 30 includes a second electrical contact 301 and a second insulating member 303. The second electrical contact 301 is a plurality of, and the second insulating member 303 is insulated to isolate the plurality of second electrical contacts 301 to avoid multiple second The electrical contacts 301 are shorted between each other. The second connecting end 30 is fixed on the second leg 403, and the second electrical contact 303 is exposed on a side of the second leg 403 away from the first leg 401, so that the second leg 403 can be electrically connected to the external switching device. Preferably, a second recess 4031 is defined in a side of the second leg 403 away from the first leg 401 for receiving and fixing the second insulating member 303 to better fix the second connecting end 30.

Further preferably, the second electrical contact 303 further includes a protrusion that protrudes away from the first leg 401 to make the electrical connection of the adapter to an external charging device or the switching device more stable. In this embodiment, the first connection end 20 is fixed to the first leg 401, so that the first connection end 20 is inserted into the charging interface of the electronic device, and the electronic device can be electrically connected.

By fixing the second connecting end 30 to the second leg 403 and exposing the second electrical contact 303 of the second connecting end 30 to the surface of the second leg 403 away from the first leg 401, the adapter 10 is First connection After the 20 is plugged into the charging interface of the electronic device, the second electrical contact 303 only needs to be in contact with the external switching device to realize electrical connection, and the bracket can separate the electronic device from the external switching device when the charging is completed, that is, turn The connector 10 is then separated from the external switching device without any damage or deformation to the adapter 10. At the same time, since the second electrical contact 303 is exposed on the surface of the second leg 403 away from the first leg 401, the second leg 403 can be made thinner and thinner, and the adapter 10 has a smaller structure.

The first leg 401 and the second leg 403 are designed in parallel with each other and extend in the same direction. After the first leg 401 is inserted into the charging interface of the electronic device, the connecting portion 405 and the second leg 403 are attached to the outer wall of the electronic device. Affects the operation of the screen of the electronic device. Moreover, since the first leg 401 and the second leg 403 extend in the same direction, the adapter 10 is further compact in structure, portable and easy to carry, and can increase the contact area with the outer wall of the electronic device, and form a clamping to avoid shaking. The connector 10 is disengaged from the electronic device charging interface to ensure the stability of the electrical connection between the adapter 10 and the switching device.

It can be understood that the first leg 401 and the second leg 403 may not be parallel designs, and only need to extend in the same direction. When the first leg 401 is inserted into the charging interface of the electronic device, the connecting portion 405 is attached to the outer wall of the electronic device, and is connected. The portion 405 is attached to the outer wall of the electronic device, and the adapter portion is attached to the surface of the electronic device, so that the adapter 10 can be stably connected to the electronic device.

It is also possible that the first leg 401 and the second leg 403 are designed in parallel and do not extend in the same direction. When the first leg 401 is inserted into the charging interface of the electronic device, the connecting portion 405 is attached to the outer wall of the electronic device.

Furthermore, the first leg 401 and the second leg 403 are not designed in parallel and do not extend in the same direction. Only when the first leg 401 is inserted into the charging interface of the electronic device, the connecting portion 405 is attached to the outer wall of the electronic device.

Further, on the first leg 401, by exposing only the first electrical contact 201 to the second surface adjacent to the second leg 403, the shielding of the second leg 403 is performed to reduce the exposure of the first electrical contact 201. The risk of short circuit. Further, by designing the thickness of the connecting portion 405 to be 0.2 mm to 1 mm, the thickness of the second leg 403 is 0.2 mm to 1 mm, so that the structure of the adapter 10 can be made smaller and fits to the electronic device, so that the electronic device is in use. At that time, even if the adapter 10 is plugged into the charging interface of the electronic device, the use of the electronic device is not affected.

As a structural deformation, the connecting portion 405 can be two connecting arms. The hollow connection between the two connecting arms, the FPC flexible circuit board can realize the electrical connection of the first connecting end 20 and the second connecting end 30 through a hollow structure between the two connecting arms. Moreover, the hollow structure between the connecting arms can make the thickness of the connecting portion 405 smaller, which is more advantageous for miniaturization of the adapter 10.

In particular, when the first connection end 20 is used for adapting with the lighting interface, that is, when the charging interface of the electronic device M is a lighting interface, the first connection end 20 further includes an identification component (not shown), the identification component and the The two electrical contacts 303 are electrically connected, and when the identification component is connected to the electronic device M, an electrical connection loop is formed, so that after the first connection terminal 20 is electrically connected to the charging interface, no error or error is displayed on the display screen of the electronic device M. stand by. The identification component is an IC chip or an MOS chip or a chip having both IC and MOS functions.

Referring to FIG. 3, in some embodiments, the adapter 10 further includes a first guiding member 60 for mating with an external switching device such that the adapter 10 is accurately aligned with the external switching device. And firmly connected.

The first guiding member 60 may be disposed on a surface of the second leg 403 of the housing 40 and/or the connecting portion 405 facing away from the first leg 401, or may be disposed on a side of the second connecting end 30 facing away from the first leg 401. The first guiding member 60 may be one, two or three combinations of protrusions, grooves or magnetic members, wherein the magnetic member may be a ferromagnetic substance adsorbed by iron or a magnet, preferably a magnet. .

When the adapter 10 is inserted into the charging interface of the electronic device, the first guiding member 60 cooperates with a corresponding structure disposed on the external switching device, so that the adapter 10 cooperates with the external switching device, so that the adapter The device 10 is accurately aligned with the external switching device and is securely connected and electrically connected through the second connecting end 30, thereby making the electrical connection between the adapter 10 and the external switching device more stable.

2A-2B and 4A-4B, a second embodiment of the present invention provides an adapter device 11 including an adapter 10 and a transfer back clip 12, an adapter 10 and an adapter back The clip 12 has a separate design and is detachably connected, that is, under the action of an external force, the adapter 10 can be in contact with the transfer back clip 12 to achieve electrical connection or separate disconnection electrical connection. The adapter 10 has the same structure and function as the adapter provided by the first embodiment.

Specifically, the transfer back clip 12 forms an accommodating cavity 121 for accommodating the electronic device, and the transfer back clip 12 is provided with a first transfer contact electrically connected to each other. 123 and second transfer contact 125. The first transfer contact 123 is for contacting the second electrical contact 301 of the adapter 10, and the second transfer contact 125 is exposed to the transfer back clip 12 to transmit the electrical signal of the first transfer contact 123 to the first Two transfer contacts 125 ends. After the adapter 10 is plugged into the charging interface of the electronic device, the electronic device with the adapter 10 is received in the accommodating cavity 121 of the adapter back clip 12, and the second electrical contact 301 of the adapter 10 Contacting the first transfer contact 123 of the transfer back clip 12 to transmit a signal in the charging interface to the exposed second transfer contact 125, and contacting the external charging device through the exposed second transfer contact 125, which can be electronic The device is charged.

Preferably, the second transfer contacts 125 are arranged in a cross or a double ring so that the transfer back clip 12 is electrically connected to the external charging device in a plurality of directions.

After the transfer back clip 12 is set on the electronic device, it can be well protected by the electronic device. When holding the electronic device, the sweat of the palm can be effectively reduced to corrode the electronic device, the service life of the electronic device is prolonged, and the back clip is transferred. 12 When electronic equipment is accidentally dropped, it can effectively protect electronic equipment and reduce the chance of electronic equipment being damaged.

Further, by switching the second transfer contact 125 provided on the back clip 12, the conventional electronic device plug-in charging mode can be converted into a contact charging mode by the transfer back clip 12 and the external charging device.

Referring to FIG. 3 and FIG. 4C-4D, a second guiding member 127 is disposed on the transfer back clip 12 for mating with the first guiding member 60 disposed on the adapter 10, so that the adapter 10 and the adapter The back clip 12 is accurately aligned to enhance the stability of the electrical connection of the adapter 10 to the transfer back clip 12.

In some embodiments, the transfer back clip 12 is further provided with a built-in battery 122. The built-in battery 122 is electrically connected to the first transfer contact 123, and can be electrically connected to the adapter 10 through the first transfer contact 123. Further, a transfer interface 124 is further disposed on the transfer back clip 12, and the transfer interface 124 is electrically connected to the first transfer contact 123 and the built-in battery 122 to charge the built-in battery 122. It can be understood that the built-in battery 122 can also be charged by wireless means, that is, passed.

It can be understood that in some embodiments, when the internal battery 123 or the transfer interface 124 is disposed in the transfer back clip 12, the transfer interface 124 can be equivalent to the second transfer contact 125.

In some embodiments, a ferromagnetic member such as a magnet or iron is disposed in the transfer back clip 12 so that the transfer back clip 12 is magnetically attracted to the external magnetic member.

Referring to Figures 5A-5D, a third embodiment of the present invention provides a charging device 14 that includes an adapter device 21 and a charging device 13. Transfer device 21 can be the same as the second embodiment, that is, the switching device 21 includes the separately disposed transfer back clip 12 and the adapter 10, and electrical connection is achieved by mutual contact. The charging device 13 is separated from the transfer back clip 12 and electrically connected to the exposed second transfer contact 125 on the transfer back clip 12 by magnetic attraction.

It can be understood that the switching device 21 in this embodiment can also be different from the second embodiment, except that the switching device 21 includes a fastening connection or an integrally formed transfer back clip 12 and an adapter 10. That is, the transfer back clip 12 and the adapter 10 are inseparably designed to be electrically connected to each other. The charging device 13 is separated from the transfer back clip 12 and electrically connected to the exposed second transfer contact 125 on the transfer back clip 12 by magnetic attraction.

Specifically, the transfer back clip 12 is provided with a first magnetic member 126 so that the transfer back clip is magnetically contacted with the charging device 13 to achieve electrical connection.

The charging device 13 includes a protective case 131, a charging assembly 132, a stylus 133, and a second magnetic member 130. The protective case 131 includes a first housing 1311 and a second housing 1313, and the first housing 1311 and the second housing 1313 are fastened to each other and fastened by screws or glue. The first housing 1311 and the second housing 1313 are fastened to form a receiving cavity for receiving the charging component 132 and the second magnetic component 130. The stylus 133 is electrically coupled to the charging assembly 132 and exposed to the first housing 1311 for mating with the second adapter contact 125. The second magnetic member 130 is magnetically attracted to the first magnetic member 126 such that the second adapter contact 125 is in contact with the contact pin 133 for electrical connection.

Preferably, the first magnetic members 126 are arranged in four corners and distributed in four different orientations of the transfer back clip 12, and the number of the second magnetic members 130 is the same as that of the first magnetic member 126, so that the first magnetic member 126 and the second magnetic member 133 are accurately aligned.

Referring to FIG. 5D, in some embodiments, the charging device 13 further includes a circuit protection component 136 that is electrically coupled to the stylus 133. It is avoided that when the charging component 132 is exposed due to the stylus 133, contact with other conductive materials causes circuit failure such as short circuit, overcurrent or overvoltage, resulting in equipment damage.

Referring to FIG. 5E, in some embodiments, the charging device 13 further includes an external contact point 137. The external contact point 137 is electrically connected to the circuit protection component 136, the contact pin 133 and the charging component 132, and the external contact point 137 is exposed to the second. The housing 1313 is for electrically connecting to an external charging device or another charging device 13. Preferably, the outer contact points 137 are linearly aligned or cross-aligned to cooperate with the exposed second adapter contacts 125 on the adapter back clip 12 for electrical connection in at least two directions.

Referring to FIGS. 5D-5F, by providing an external contact 137 on the charging device 13, and the stylus 133, the stylus 133 and the external contact 137 are electrically connected to the charging assembly 132 and exposed to opposite sides of the protective casing 13, respectively. Therefore, the plurality of charging devices 13 can be bonded by magnetic adsorption, and the external contact point 137 of one of the charging devices 13 is brought into contact with the stylus 133 of the other charging device 13 to achieve electrical connection. The charging devices 13 are superposed on each other. The charging device 13 can be made to have sufficient electric power by lamination, and since the charging device 13 is connected by magnetic adsorption, it is easy to disassemble and carry.

Referring to FIG. 5G, in some embodiments, the charging device 13 further includes an expansion assembly 138 that is electrically coupled to the charging assembly 132.

Expansion component 138 can be a combination of one or more of an audio player, a WIFI transmitter, or a wireless router. The charging device 13 is also provided with the functions of an audio player, a WIFI transmitter or a wireless router while achieving charging, and has greater practicability. And when the expansion component 138 is an audio player, the audio playback power of the charging device 13 can be enhanced by lamination, and since the charging device 13 is connected by magnetic adsorption, it is easy to disassemble and carry.

When the expansion component 138 is a WIFI transmitter, the WIFI signal in the charging device 13 can be enhanced by lamination, and since the charging device 13 is connected by magnetic adsorption, it is easy to disassemble and carry.

It will also be appreciated that the charging device 13 has a different function by superimposing the charging device 13 with different functional expansion components 138, so that the charging device 13 of the expansion module 138 with different functions can be superimposed when superimposed. .

Compared with the prior designs, the adapter provided by the present invention has the following beneficial effects.

The second connecting end is received in a side of the second leg away from the first leg, and the second electrical contact is exposed to the second leg. After the first connection end of the adapter is plugged into the charging interface of the electronic device, the connecting portion is attached to the outer wall of the electronic device, and the adapter portion is attached to the surface of the electronic device, so that the adapter can be stably connected with the electronic device, and only The second electrical contact needs to be in contact with the external switching device for electrical connection, and the bracket can separate the electronic device from the external switching device when the charging is completed, and the adapter is separated from the external electronic device, Will not cause any damage to the adapter Damaged or deformed, and the structure is small and portable.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalents, and improvements made within the principles of the present invention should be included in the scope of the present invention.

Claims

An adapter for plugging in with an electronic device charging interface and electrically connecting to an external switching device or a charging device, and changing a conventional plug-in charging method to contact charging, comprising:

a housing, a first connecting end and a second connecting end;

The housing includes a first leg, a second leg, and a connecting portion, the connecting portion is disposed between the first leg and the second leg, and connects the first leg and the second leg;

The first connecting end is fixed to the first leg for electrically connecting with an electronic device;

The second leg includes a side adjacent to the first leg and an opposite side away from the first leg, the second connection end is electrically connected to the first connection end, and is fixed to the second leg and exposed to the second The legs are away from the surface of the first leg for electrical connection with an external charging device or a switching device;

When the first leg is inserted into the charging interface of the electronic device, the first connecting end is electrically connected to the electronic device, and the connecting portion is attached to the outer wall of the electronic device.
The adapter of claim 1 wherein:

The first connecting end is provided with a first electrical contact and a first insulating member, and the insulating member is insulated to isolate the first electrical contact;

The first leg includes an opposite first surface and a second surface, the second surface is adjacent to the second leg, the second surface is provided with a first groove, and the first insulating member is received in the first a recess, the first electrical contact being at least partially exposed to the first recess.
The adapter of claim 1 wherein:

The first leg and the second leg are parallel to each other, and There is a spacing W between the first leg and the second leg, 6 mm ≥ W ≥ 1.5 mm.
The adapter according to claim 1, wherein the connecting portion is curved in an arc shape and has a thickness of 0.2 mm to 1 mm.
The adapter of claim 1 wherein said second leg has a thickness of from 0.2 mm to 1 mm.
The adapter according to claim 1, wherein said adapter further comprises a connection circuit, said connection circuit electrically connecting said first connection end and said second connection end;

The connection circuit is an FPC flexible circuit board.
The adapter according to claim 6, wherein the connecting portion is two connecting arms, and the connecting arms are hollow structures, and the FPC flexible circuit board is disposed between the two connecting arms, and the connecting portion is a connection end and a second connection end.
The adapter of claim 1 wherein when the first connector is adapted to the lighting interface, the first connector further includes an identification component electrically coupled to the second electrical contact.
An adapter device, comprising: an adapter and a transfer back clip, wherein the adapter and the transfer back clip are separated from each other;

The adapter includes: a housing, a first connecting end and a second connecting end; the housing includes a first leg, a second leg, and a connecting portion, wherein the connecting portion is disposed on the first leg and the second Between the legs, connecting the first leg and the second leg; the first connecting end is fixed to the first leg for electrically connecting with the electronic device;

The second leg includes a side adjacent to the first leg and an opposite side away from the first leg, the second connection end is electrically connected to the first connection end, and is fixed to the second leg and Exposed to the surface of the second leg away from the first leg for electrically connecting with an external charging device or a switching device;

When the first leg is inserted into the charging interface of the electronic device, the first connecting end is electrically connected to the electronic device, and the connecting portion is attached to the outer wall of the electronic device;

The transfer back clip forms a accommodating cavity for accommodating the electronic device, and the transfer back clip is provided with a first transfer contact and a second transfer contact, the first transfer contact and the second transfer contact Electrically connecting, the second transfer contact is exposed to the transfer back clip, and the first transfer contact is electrically connected to the second connection end when the adapter is in contact with the transfer back clip .
The adapter device of claim 1 wherein said adapter includes a first guide member, said first guide member being disposed on a second leg and/or a connecting portion of the housing;

The first guiding member is a protrusion, a groove or a magnetic member

The transfer back clip is provided with a second guiding member, and the first guiding member and the second guiding member are in positional contact.
A charging device, comprising: an adapter, a transfer back clip, and a charging device;

The adapter includes: a housing, a first connecting end and a second connecting end; the housing includes a first leg, a second leg, and a connecting portion, wherein the connecting portion is disposed on the first leg and the second Between the legs, connecting the first leg and the second leg; the first connecting end is fixed to the first leg for electrically connecting with the electronic device;

The second leg includes a side adjacent to the first leg and an opposite side away from the first leg, the second connection end is electrically connected to the first connection end, and is fixed to the second leg and exposed to the second The legs are away from the surface of the first leg for electrical connection with an external charging device or a switching device;

When the first leg is inserted into the charging interface of the electronic device, the first connecting end is electrically connected to the electronic device, and the connecting portion is attached to the outer wall of the electronic device;

The transfer back clip forms a accommodating cavity for accommodating the electronic device, and the transfer back clip is provided with a first transfer contact and a second transfer contact, the first transfer contact and the second transfer contact Electrically connecting, the second transfer contact is exposed to the transfer back clip, and the first transfer contact is electrically connected to the second connection end when the adapter is in contact with the transfer back clip ;

The charging device is magnetically attracted to the transfer back clip and electrically connected to the second transfer contact.
A charging apparatus according to claim 11, wherein said charging means comprises a protective case, a charging member, a stylus, and a second magnetic member, said protective case comprising a first protective case and a second protective case, said The first protective shell and the second protective shell are engaged to form a receiving cavity for receiving the charging component, the stylus and the second magnetic component;

The stylus is electrically connected to the charging component and exposed to the first protective casing;

A first magnetic member is disposed on the transfer back clip, and the first magnetic member is magnetically attracted to the second magnetic member such that the second transfer contact is in electrical contact with the contact pin.
A charging device according to claim 12, wherein said charging means further comprises a circuit protection component, said circuit protection component being electrically connected to the stylus.
A charging apparatus according to claim 13, wherein said charging means further comprises an outer contact point electrically connected to said stylus and exposed to said second protective case.
A charging device according to claim 14 wherein The charging device further includes an expansion component, the expansion component being electrically connected to the charging component;

The expansion component can be an audio player, a WIFI transmitter or a wireless router.