Expansion assembly for mobile equipment

Abstract

The utility model discloses an expansion assembly used for a mobile device. The expansion assembly comprises an adhesive layer, a housing, a PCBA mainboard, an expansion slot and an expansion joint. The PCBA mainboard and the expansion slot are arranged in the shell, one end of the expansion joint is electrically connected to the PCBA mainboard, and the other end of the expansion joint is inserted into a charging interface of a mobile phone; the expansion slot comprises an SIM card slot which is used for placing an SIM card. And the sticking layer is used for sticking the shell on the mobile phone. According to the utility model, the shell is integrally fixed on the mobile phone through the bonding layer, so that the requirement of a user on network multi-card standby can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile phone accessories, in particular to an expansion component for mobile devices. Background Art

[0002] With the increasing richness of functions and continuous improvement of performance of mobile devices, mobile devices have become an indispensable part of people's lives. Mobile phones in mobile devices are particularly obvious, and the influence of mobile phones on people is gradually increasing. In some scenarios, some users have a demand for multi-SIM standby of the network. The number of internal card slots in the device is limited and cannot meet the user's needs. There are also some external expansion storage products on the market, but these storage products have the problems of inconvenient carrying, easy to forget to carry or lose.

[0003] Therefore, it is necessary to design an expansion component that can be integrally installed on a mobile device. Summary of the Utility Model

[0004] The utility model provides an expansion component for mobile devices, aiming to solve the above problems.

[0005] An expansion component for mobile devices according to an embodiment of the present application includes: an adhesive layer, a housing, a PCBA main board, an expansion slot and an expansion connector; the PCBA main board and the expansion slot are both arranged inside the housing, one end of the expansion connector is electrically connected to the PCBA main board, and the other end is inserted into the charging interface of the mobile device; the expansion slot includes a SIM card slot for placing a SIM card; the adhesive layer is used to paste the housing on the mobile device.

[0006] In the expansion component for mobile devices of the utility model, the expansion slot further includes a storage card slot for placing a memory card to expand the memory of the mobile device.

[0007] In the expansion component for mobile devices of the utility model, the expansion connector includes a magnetic attraction connector and a magnetic attraction conversion head. One end of the magnetic attraction connector is connected to the PCBA main board, and the other end is inserted into the charging interface of the mobile device. The magnetic attraction conversion head is adsorbed on the magnetic attraction connector and is electrically connected to it. The magnetic attraction conversion head is used for an external data cable to be inserted.

[0008] In the expansion component for mobile devices of the utility model, the magnetic attraction connector includes an FPC flexible cable and a plug head; one end of the FPC flexible cable is connected to the PCBA main board, and the other end is connected to the plug head. The plug head is used to be inserted into the charging interface of the mobile device and is connected to the magnetic attraction conversion head.

[0009] In the expansion component for a mobile device of the present utility model, the magnetic suction conversion head includes a housing, a magnetic suction spring pin contact male plug module, and a USB interface. The magnetic suction spring pin contact male plug module and the USB interface are both installed inside the housing. The USB interface is used for inserting a data cable to charge the mobile phone. The plug head includes an insertion head and a magnetic suction female plug module arranged opposite to each other. The insertion head is inserted into the charging interface of the mobile device to connect the mobile device to the expansion component, and the magnetic suction spring pin contact male plug module is inserted into the magnetic suction female plug module.

[0010] In the expansion component for a mobile device of the present utility model, the magnetic suction spring pin contact male plug module includes a first magnet and a plurality of elastic connection contacts. The magnetic suction female plug module includes a metal contact sheet assembly, a second magnet, and a contact seat. The magnet and the metal contact sheet assembly are arranged inside the contact seat. The elastic connection contacts are inserted into the contact seat and abut against the metal contact sheet assembly. The first magnet and the second magnet are arranged opposite to each other to adsorb and position the magnetic suction conversion head and the magnetic suction connector.

[0011] In the expansion component for a mobile device of the present utility model, the number of the magnetic suction spring pin contact male plug modules is two, and the two magnetic suction spring pin contact male plug modules are arranged on two adjacent surfaces of the housing.

[0012] In the expansion component for a mobile device of the present utility model, a magnetic suction matrix is further included. The magnetic suction matrix is installed on the back of the PCBA main board and is used for adsorbing to the outside to position the mobile device.

[0013] In the expansion component for a mobile device of the present utility model, a rotating bracket is further included. One end of the rotating bracket is rotatably connected to the housing so that there is an included angle between the rotating bracket and the housing, thereby supporting the mobile phone.

[0014] In the expansion component for a mobile device of the present utility model, a display screen component is further included. The display screen component is installed inside the housing, and the housing has an opening part, and the display screen component is exposed from the opening part.

[0015] The technical solutions provided by the embodiments of the present application may include the following beneficial effects: The present application designs an expansion component for a mobile device. The housing is pasted on the mobile phone through an adhesive layer to integrally fix the housing on the mobile phone, and a storage card slot is arranged inside the housing to place a memory card to expand the storage of the mobile phone, which can meet the storage space requirements of users. And since the expansion component is integrally installed on the mobile phone, the problems of loss and forgetting to carry are avoided. A SIM card slot 41 is also arranged inside the expansion component to place a SIM card, which can meet the requirements of users for multi-SIM standby of the network. Description of the Drawings

[0016] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic structural diagram of an expansion component of an embodiment of the present utility model;

[0018] Figure 2 It is a schematic diagram of the application scenario of an expansion component of an embodiment of the present utility model;

[0019] Figure 3 It is an exploded structural diagram of an expansion component of an embodiment of the present utility model;

[0020] Figure 4 It is a schematic structural diagram of a magnetic absorption conversion head of an expansion component of an embodiment of the present utility model;

[0021] Figure 5 It is an exploded structural diagram of a magnetic absorption conversion head of an expansion component of an embodiment of the present utility model;

[0022] Figure 6 It is an exploded structural diagram of a magnetic absorption joint of an expansion component of an embodiment of the present utility model;

[0023] Figure 7 It is a schematic structural diagram of a perspective view of the PCBA main board of an expansion component of an embodiment of the present utility model;

[0024] Figure 8 It is a schematic structural diagram of another perspective view of the PCBA main board of an expansion component of an embodiment of the present utility model.

[0025] Label description:

[0026] 10. Adhesive layer; 20. Housing; 21. Front shell; 22. Rear shell; 30. PCBA main board; 31. Audio module; 32. Vibration motor; 33. CPU central processing unit; 34. Radio frequency baseband communication module; 35. Display driver circuit module; 36. Multi-band antenna; 37. Power management module; 38. Charging and discharging module; 40. Expansion slot; 41. SIM card slot; 42. Storage card slot; 50. Expansion connector; 51. Magnetic connector; 511. FPC flexible cable; 512. Plug head; 5121. Insertion head; 5122. Magnetic female plug module; 5123. Metal contact component; 5124. Second magnet; 5125. Contact seat; 52. Magnetic conversion head; 521. Outer shell; 522. Magnetic pin contact male plug module; 5221. First magnet; 5222. Elastic connection contact; 523. USB interface; 60. Rotating bracket; 61. First arm; 62. Second arm; 70. Magnetic matrix; 80. Display screen assembly; 81. Display screen; 82. Display screen bracket; 83. Touch control glass plate; 90. Magnetic contact connection port. Detailed implementation manner

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts shall fall within the protection scope of the present invention.

[0028] It should also be understood that the terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the specification of the present invention and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include the plural forms.

[0029] It should be further understood that the term " / and / " used in the specification of the present invention and the appended claims refers to any combination and all possible combinations of one or more of the related listed items, and includes these combinations.

[0030] Please refer to Figures 1-8As shown, the present utility model discloses an expansion component for a mobile device, which can be a mobile phone. The expansion component includes an adhesive layer 10, a housing 20, a PCBA main board 30, an expansion slot 40, and an expansion connector 50. Both the PCBA main board 30 and the expansion slot 40 are disposed inside the housing 20. One end of the expansion connector 50 is connected to the PCBA main board 30, and the other end is inserted into the charging interface of the mobile phone to achieve communication between the mobile phone and the expansion component of the present application. The expansion slot 40 is detachably installed in the housing 20 and corresponds to the SIM module and the storage expansion module on the PCBA main board 30. The expansion slot 40 includes a SIM card slot 41 for placing a SIM card and a storage card slot 42 for placing a memory card. The adhesive layer 10 is used to paste the housing 20 onto the mobile phone to integrally fix the housing 20 to the mobile phone. By providing an expansion component that can be integrally installed on the mobile phone and providing a storage card slot 42 inside the housing 20 for placing a memory card, the present utility model can expand the storage of the mobile phone to meet the user's storage space requirements. Moreover, since the expansion component is integrally installed on the mobile phone, the problems of loss and forgetting to carry are avoided. The present utility model also provides a SIM card slot 41 inside the expansion component for placing a SIM card, which can meet the user's need for multi-SIM standby. Most PAD devices on the market do not have a built-in SIM card slot, so this expansion component can also be used for such PAD devices. Herein, PCBA is the abbreviation of Printed Circuit Board Assembly, SIM is the abbreviation of Subscriber Identity Module, and PAD is the abbreviation of portable android device.

[0031] In an optional embodiment, the expansion component further includes a rotating bracket 60. One end of the rotating bracket 60 is rotatably connected to the housing 20, so that there is an included angle between the rotating bracket 60 and the housing 20 to achieve the purpose of propping up the mobile phone. When the user uses the mobile phone or other mobile terminals and needs to watch a video and free up both hands, the mobile phone needs to be stood up for viewing from a distance. By means of the rotating bracket 60, an included angle is formed between the rotating bracket 60 and the mobile phone, and the mobile phone can be stably stood on a plane.

[0032] In this embodiment, the shape of the rotating bracket 60 is L-shaped, which includes a first arm 61 and a second arm 62 connected to each other. One end of the first arm 61 is rotatably connected to a position near the upper end of the housing 20, and the other end is connected to the second arm 62. During use, rotate the rotating bracket 60 and place the second arm 62 on a plane, and the mobile phone can be stably placed on the plane for the user to view the mobile phone. Of course, the first arm 61 can also be placed on the plane, which can achieve horizontal and vertical placement of the mobile phone.

[0033] In an optional embodiment, the extension joint 50 includes a magnetic adsorption joint 51 and a magnetic adsorption adapter 52. One end of the magnetic adsorption joint 51 is connected to the PCBA main board 30, and the other end is inserted into the charging interface of the mobile phone. The magnetic adsorption adapter 52 is adsorbed on the magnetic adsorption joint 51 and is electrically connected to the magnetic adsorption joint 51. The magnetic adsorption adapter 52 is used for inserting an external power cord. In order to add an extended SIM card and a memory card, the mobile phone needs to be connected to the extension component of the present application. Therefore, it is necessary to occupy the charging interface of the mobile phone. Since the charging interface of the mobile phone is occupied, it is necessary to additionally provide an interface for inserting an external data cable. In this way, the magnetic adsorption joint 51 of the present application can be inserted into the mobile phone all the time. Of course, when the user needs to charge the mobile phone, the magnetic adsorption joint 51 can also be unplugged and charged through the charging interface of the mobile phone. The usage of the user is not limited herein.

[0034] The magnetic adsorption joint 51 includes an FPC flexible cable 511 and a plug head 512. One end of the FPC flexible cable 511 is connected to the PCBA main board 30, and the other end is connected to the plug head 512. The plug head 512 is used for inserting into the charging interface of the mobile phone to electrically connect the extension component of the present application to the mobile phone; and the plug head 512 is also electrically connected to the magnetic adsorption adapter 52.

[0035] The magnetic adsorption adapter 52 includes a housing 521, a magnetic adsorption pin contact male plug module 522 and a USB interface 523. The magnetic adsorption pin contact male plug module 522 and the USB interface 523 are both installed in the housing 521 and both are exposed from the housing 521. The USB interface 523 is used for inserting an external data cable to charge the mobile phone or perform data connection. The plug head 512 includes an insertion head 5121 and a magnetic adsorption female plug module 5122 which are oppositely arranged. The insertion head 5121 is inserted into the charging interface of the mobile phone to connect the mobile phone to the extension component. The magnetic adsorption pin contact male plug module 522 is inserted into the magnetic adsorption female plug module 5122 to achieve transfer.

[0036] The magnetic adsorption pin contact male plug module 522 includes a first magnet 5221 and a plurality of elastic connection contacts 5222. The magnetic adsorption female plug module 5122 includes a metal contact component 5123, a second magnet 5124 and a contact seat 5125. The magnet and the metal contact component 5123 are arranged in the contact seat 5125. The elastic connection contacts 5222 are inserted into the contact seat 5125 and abut against the metal contact component 5123. The first magnet 5221 and the second magnet 5124 are oppositely arranged to adsorb and position the magnetic adsorption adapter 52 and the magnetic adsorption joint 51.

[0037] In an alternative embodiment, the number of magnetic male plug point modules is two, and the two magnetic pin contact male plug modules 522 are disposed on two adjacent faces of the housing 521. In this embodiment, the housing 521 is a cube, and the two magnetic pin contact male plug modules 522 are disposed adjacent to each other. Both of the two magnetic male plug modules can be adsorbed on the magnetic female plug module 5122, so that the data cable connected to the USB interface 523 can be adjusted at an angle of 90° for access. Any one of the magnetic male plug point modules can be connected to the magnetic female plug module 5122, avoiding the entanglement of the data cable and facilitating the use of the user. In some embodiments, the number of USB interfaces 523 is set to two, and the number of magnetic male plug point modules is set to one. The two USB interfaces 523 are disposed at 90°, and the above effects can also be achieved.

[0038] In an alternative embodiment, the expansion device of the present application further includes a magnetic matrix 70. The magnetic matrix 70 is installed on the back of the PCBA main board 30 and is used to adsorb to the outside to position the mobile phone. When the user uses the device, the expansion component can be magnetically adsorbed on a metal material or device. For example, when the user is learning to cook online, the mobile phone with the expansion component attached can be adsorbed on a metal device, which is convenient for the user to observe. The magnetic matrix 70 in this embodiment is a plurality of small magnets evenly arranged on a plane to increase the suction force of the magnet and ensure that the mobile phone and the expansion component can be stably adsorbed on a vertical plane. It can be understood that the present application can also adsorb some small metal devices on the housing 20 and carry them together with a mobile terminal such as a mobile phone.

[0039] In this embodiment, the expansion component further includes a display screen component 80. The display screen is installed in the housing 20. The housing 20 has an opening, and the display screen is exposed through the opening. The housing 20 includes a front shell 21 and a rear shell 22. The front shell 21 and the rear shell 22 are combined to form a housing 20 with an installation space inside to protect the devices inside. The adhesive layer 10 is attached to the rear shell 22, and the opening is provided on the front shell 21. The display screen component 80 is disposed closer to the front shell 21. The display screen component 80 includes a display screen 81, a display screen bracket 82, and a touch glass plate 83. The PCBA main board 30, the display screen bracket 82, the display screen 81, and the touch glass plate 83 are sequentially disposed in the housing 20 from the rear shell 22 to the front shell 21. The display screen bracket 82 is used to fix the display screen 81. The display screen 81 is electrically connected to the PCBA main board 30, and the touch glass is disposed at the position of the opening. The display screen can set the display content according to requirements, improving the practicability and personalization degree of the product. For example, set the date and time, weather, information prompts, etc., and it can also be used for displaying personal pictures / videos of NFT digital copyrights. It should be noted that in another alternative embodiment, the expansion component does not have a display screen component, and the user can paste some photos, etc. to increase the aesthetics.

[0040] In this embodiment, the PCBA main board 30 includes an audio module 31 and a vibration motor 32. The audio module 31 is used to process the recording and playback of the recording function, and can be controlled by setting adjustment buttons. The vibration motor 32 is configured to cooperate with the information prompt when the mute is set.

[0041] It should be noted that the PCBA main board 30 also includes a CPU central processing unit 33, a radio frequency baseband communication module 34, a display driver circuit module 35, a multi-band antenna 36, a power management module 37, a charge and discharge module 38, etc. As for how to specifically implement the connection and communication with the mobile phone, this is the prior art and will not be elaborated here. In some usage scenarios, this application can be used as an external power bank to charge the mobile phone through the power management module 37 and the charge and discharge module 38 to increase the usage time of the mobile phone. In some embodiments, an infrared sensor is also provided on the PCBA main board 30 to control devices such as air conditioners.

[0042] In some embodiments, a magnetic contact connection port 90 can be additionally provided on the PCBA main board 30, and this magnetic contact connection port is interconnected with the magnetic female plug module 5122. The magnetic contact connection port can expand the corresponding magnetic peripheral accessories, and can quickly connect without a data cable to achieve communication and power supply.

[0043] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of various equivalent modifications or substitutions, and these modifications or substitutions should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. Extension Component for Mobile Devices An extension component for a mobile device, characterized in that, Comprising: An adhesive layer, a housing, a PCBA main board, an expansion slot, and an expansion connector; the PCBA main board and the expansion slot are both disposed inside the housing, one end of the expansion connector is electrically connected to the PCBA main board, and the other end is inserted into the charging interface of a mobile device; the expansion slot includes a SIM card slot for placing a SIM card; the adhesive layer is used to paste the housing onto a mobile phone.

2. The expansion component for a mobile device according to claim 1, characterized in that, The expansion slot further includes a memory card slot for placing a memory card to expand the memory of the mobile phone.

3. The expansion component for a mobile device according to claim 1, characterized in that, The expansion connector includes a magnetic connector and a magnetic conversion head. One end of the magnetic connector is connected to the PCBA main board, and the other end is inserted into the charging interface of the mobile device. The magnetic conversion head is adsorbed on the magnetic connector and is electrically connected to it. The magnetic conversion head is used for an external data cable to be inserted.

4. The extended component for a mobile device according to claim 3, characterized in that, The magnetic connector includes an FPC flexible cable and a plug head; one end of the FPC flexible cable is connected to the PCBA main board, and the other end is connected to the plug head. The plug head is used to be inserted into the charging interface of the mobile device and is connected to the magnetic conversion head.

5. The extended component for a mobile device according to claim 4, characterized in that The magnetic conversion head includes a housing, a magnetic pin contact male plug module, and a USB interface. The magnetic pin contact male plug module and the USB interface are both installed inside the housing. The USB interface is used for a data cable to be inserted to charge the mobile device; the plug head includes an insertion head and a magnetic female plug module arranged oppositely. The insertion head is inserted into the charging interface of the mobile device to connect the mobile device to the expansion component, and the magnetic pin contact male plug module is inserted into the magnetic female plug module.

6. The expansion component for a mobile device according to claim 5, characterized in that, The magnetic pin contact male plug module includes a first magnet and a plurality of elastic connection contacts. The magnetic female plug module includes a metal contact sheet assembly, a second magnet, and a contact seat. The magnet and the metal contact sheet assembly are arranged inside the contact seat. The elastic connection contacts are inserted into the contact seat and abut against the metal contact sheet assembly. The first magnet and the second magnet are arranged oppositely to adsorb and position the magnetic conversion head and the magnetic connector.

7. The expansion component for a mobile device according to claim 6, characterized in that, The number of the magnetic pin contact male plug modules is two, and the two magnetic pin contact male plug modules are arranged on two adjacent surfaces of the housing.

8. The expansion component for a mobile device according to claim 1, wherein, It further includes a magnetic matrix installed on the back of the PCBA main board for adsorbing to the outside to position the mobile device.

9. The expansion component for a mobile device according to claim 2, characterized in that, It further includes a rotating bracket. One end of the rotating bracket is rotatably connected to the housing so that there is an angle between the rotating bracket and the housing to support the mobile device.

10. The extended component for a mobile device according to claim 9, wherein It further includes a display screen assembly installed inside the housing. The housing has an opening, and the display screen assembly is exposed from the opening.

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