CN210274147U

CN210274147U - Mobile phone back sticker with mobile phone storage capacity expansion and data communication functions

Info

Publication number: CN210274147U
Application number: CN201920476972.6U
Authority: CN
Inventors: 孙琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-31
Filing date: 2019-03-31
Publication date: 2020-04-07
Anticipated expiration: 2029-03-31

Abstract

The utility model designs a mobile phone back sticker with mobile phone storage capacity expansion and data communication functions; the magnetic card reader comprises a shell provided with a containing cavity, wherein a circuit board, a magnetic block and a storage card slot are placed in the containing cavity; the circuit board comprises a main control chip, a storage chip and a data communication contact and is connected with the data communication port of the mobile phone through a flexible circuit; a rear cover for sealing the accommodating cavity is arranged on one side of the accommodating cavity shell facing the back of the mobile phone, and the rear cover is connected with the back of the mobile phone in a double-sided paste or magnetic suction mode; an exposed opening and a memory card plugging opening which are communicated with the accommodating cavity are formed in one side of the shell, which is far away from the back of the mobile phone, and the magnetic block and the communication contact on the circuit board are exposed out of the exposed opening; the magnetic block and the communication contact can be correspondingly connected with the metal adsorption block on the data line and the communication contact on the data line respectively, and the back sticker can be used for carrying out data communication and charging with a computer or other equipment while expanding the storage capacity of the mobile phone.

Description

Mobile phone back sticker with mobile phone storage capacity expansion and data communication functions

Technical Field

The utility model relates to a cell-phone memory capacity extension device's technical field, concretely relates to cell-phone pastes on back with cell-phone memory capacity extension and data communication function.

Background

With the development of internet applications and smart phones, the requirements of people on the storage capacity of mobile phones are gradually increased. However, due to the design requirements of design manufacturers for the light and thin shape of the mobile phone, more and more mobile phone manufacturers cancel the expansion slot supporting the hot plug of the memory card in the mobile phone, so that the mobile phone users cannot use the memory card to expand the storage capacity of the mobile phone. As an alternative, the most common extension mode at present is to extend the external usb disk through a two-in-one interface for charging and data transmission of the mobile phone, but because the extension mode is connected to the usb disk with a large volume and an irregular shape, the user cannot take the convenience of carrying into consideration when using the usb disk to extend the storage capacity of the mobile phone, and because the usb disk occupies the two-in-one interface for charging and data transmission of the mobile phone, the user cannot charge the mobile phone and communicate data with the computer or other terminal devices at the same time when using the usb disk to extend.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a back-pasting mobile phone capacity expansion device adopting a flexible circuit and an injection molding shell design, so that the mobile phone can obtain the external expansion of the storage capacity and simultaneously has portability; moreover, although the back sticker occupies a data communication and charging two-in-one interface of the mobile phone, the back sticker is correspondingly provided with a magnetic adsorption type interface for data communication, so that the mobile phone can still be charged through the data communication interface of the back sticker while obtaining the external expansion of the storage capacity, and can carry out data transmission with a computer or other equipment.

The technical scheme of the utility model is that, a magnetic mobile phone back sticker with external mobile phone data communication interface and capacity expansion and data communication function is provided, which comprises a housing provided with a containing cavity, wherein the housing of the containing cavity is provided with an exposed port communicated with the containing cavity, each exposed port is provided with at least two communication contacts and a magnetic block for adsorbing and connecting the corresponding communication contacts and metal blocks on the data line, and the other end of the communication contacts in the exposed port is connected with the circuit board; a circuit board, a slot for mounting an external storage card and a magnetic block are arranged in the accommodating cavity, wherein the circuit board comprises a main control chip, an internal storage chip and a communication contact; the shell of the accommodating cavity is provided with an opening for connecting the circuit board with a data communication interface of the mobile phone through a flexible circuit; the shell of the accommodating cavity is provided with another opening for plugging and unplugging an external storage card; the magnetic block is exposed in an exposed opening of the accommodating cavity shell and used for adsorbing a metal adsorption block on the data line, and meanwhile, a communication contact in the exposed opening is correspondingly connected with a communication contact on the data line, so that the function of expanding the storage capacity of the mobile phone by sticking the internal chip and the external memory card on the back is achieved; and the data line is connected with the back sticker and a computer or other equipment, so that the computer or other equipment can read and write the storage contents of the mobile phone and the back sticker, and the function of data communication is achieved.

Furthermore, at least two data communication contacts are arranged on the circuit board; the arrangement mode of the data communication contacts at least comprises the following steps: the data communication contacts and the magnetic blocks are arranged and distributed in a claw shape together; or the data communication contacts are distributed around the magnetic blocks in a circular arrangement; or the data communication contacts are arranged and distributed around the magnetic blocks in a square shape; or the data communication contacts are distributed around the magnetic blocks in a rectangular arrangement; or, the data communication contacts are distributed around the magnetic blocks in a polygonal arrangement.

Furthermore, one or more external memory card slots can be arranged, correspondingly, one or more external memory card plugging and unplugging openings of the accommodating cavity shell are also arranged, and when the number of external memory card slots is multiple, the memory card in each slot expands the storage capacity of the mobile phone in a parallel working mode; an external memory card expansion slot can be cancelled, and when the external memory card slot is cancelled, the memory capacity of the mobile phone is expanded only by means of the built-in memory chip on the circuit board.

Furthermore, the mobile phone further comprises a bonding mode of a double-sided film, wherein one side of the double-sided film is bonded with the containing cavity back shell, namely one side of the containing cavity shell facing to the back of the mobile phone; the other side of the double-sided film is bonded with the back of the mobile phone shell or the back of the mobile phone outer shell protective shell, so that the effect of tight adsorption of the back patch and the mobile phone is achieved.

Further, the mobile phone cover comprises a cavity rear shell, a mobile phone shell back or a mobile phone outer shell protection shell, wherein the cavity rear shell is connected with the mobile phone shell back or the mobile phone outer shell protection shell in a magnetic adsorption mode, an adhesive metal sheet is arranged to be bonded with the mobile phone shell back or the mobile phone outer shell protection shell back, at the moment, the cavity rear shell is also provided with an exposing opening for exposing the magnetic block, the magnetic block and the metal sheet are subjected to magnetic adsorption, and the effect of close adsorption of the back patch and the mobile phone is achieved.

Furthermore, the mobile phone shell also comprises a back shell which is connected with the containing cavity and the back of the mobile phone shell or the back of the mobile phone outer shell protective shell in a buckling mode; set up viscidity base and bond in cell phone case back or the back of cell phone case protective housing, viscidity base is equipped with the buckle groove, the backshell that holds the chamber sets up the buckle to the mode that the buckle is connected is fixed hold the chamber backshell with the base reaches the effect of the inseparable absorption of back of the body subsides and cell-phone.

The magnetic block is arranged on the data line, the magnetic block is connected with the back sticker and the data line in a magnetic suction mode, and communication contacts in the exposed opening of the back sticker accommodating cavity are correspondingly communicated with communication contacts on the data line.

Furthermore, the accommodating cavity and the accommodating cavity shell can be designed into various shapes such as a circle, a square, an ellipse, a polygon and the like.

Furthermore, the mobile phone back sticker can also be applied to expansion of storage capacity of other intelligent terminal devices such as a tablet personal computer and a media player.

The beneficial effects of the utility model include at least: the mobile phone storage capacity expansion sticky back is used as an important device for external expansion of mobile phone storage capacity, one party is connected with a mobile phone data communication interface, the other party is matched with a magnetic data line through a data communication contact arranged on a circuit board, and the defect that a traditional mobile phone external USB flash disk mode occupies a mobile phone charging and data communication interface when the mobile phone capacity is expanded is overcome, so that the mobile phone can be charged and can be in data communication with external equipment while the external storage capacity is expanded; and moreover, the flexible circuit is used as an implementation mode of the capacity expansion circuit and is matched with a mobile phone back patch type design scheme, so that the expansion back patch has the characteristics of being light, thin, portable and capable of being hidden in a mobile phone shell protection shell, can be connected with a mobile phone for a long time, and ensures real-time data transmission between the mobile phone and the expansion storage.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is an application scene diagram of the mobile phone storage capacity expansion sticky back provided by the present invention;

fig. 2 is a diagram of two application scenarios of the mobile phone storage capacity expansion sticky back provided by the present invention;

fig. 3 is a structural diagram of the mobile phone storage capacity expansion back sticker provided by the present invention;

fig. 4 is an exploded view of the mobile phone memory capacity expansion back sticker provided by the present invention;

fig. 5 is a structural diagram of a data line with a metal adsorption block provided by the present invention;

fig. 6 is a schematic diagram of contact distribution of a mobile phone back sticker with claw-shaped contacts.

Wherein the reference numerals are:

1. the mobile phone storage capacity expansion back sticker comprises a mobile phone storage capacity expansion back sticker 2, a mobile phone 3, a data line 4, a containing cavity shell 5, a circuit board 6, a storage card slot 7, a circuit line for connecting the circuit board and a mobile phone data communication port 8, a plug 9, a containing cavity shell rear cover 10, a magnetic block 11, a data communication contact 12 and a double-sided film

Detailed Description

Please refer to fig. 1-6, the utility model provides a cell-phone pastes on the back 1 with cell-phone memory capacity extension and data communication function, this cell-phone pastes on the back 1 is the core part of cell-phone memory capacity extension, its one end is through the data communication mouth intercommunication on plug 8 and the cell-phone 2, the other end adsorbs through the metal adsorption piece 3c that exposes magnetic path 10 in the mouth 4a and the data line on and is connected, expose the communication contact 11 in the mouth 4a and communicate with the communication contact 3a on the data line 3 simultaneously, and data line 3 then can communicate through interface 3b with computer or other equipment and carry out data communication, thereby accomplish computer or other equipment to cell-phone self storage and the utility model discloses a cell-phone pastes on the back 1 storage chip on circuit board 5 and the data reading and writing of external memory card 6 b.

The mobile phone back sticker 1 comprises a shell 4 provided with a containing cavity, wherein an exposed opening 4a communicated with the containing cavity is formed in the shell, a circuit board 5 and an external storage card slot 6 are placed in the containing cavity, a storage card plugging opening 6a is formed in the shell 4 of the containing cavity, a storage card 6b can be inserted into the storage card slot 6 through the storage card plugging opening 6a, the storage card 6b is connected with the circuit board 5 through the storage card slot 6, and a main control chip on the circuit board 5 is used for expanding storage capacity; the circuit board 5 is connected with a connecting circuit line 7 of the mobile phone through a back paste and used for plugging a plug 8 of a mobile phone data communication port, one side of the shell 4, which is far away from the exposed port 4a, is provided with a rear cover 9 used for sealing the accommodating cavity, the circuit board 5 is provided with at least one group of data communication contacts 11 and a magnetic block 10, the data communication contacts 11 and the magnetic block 10 are exposed in the communication port 4a, and the magnetic block 10 and the communication contacts 11 are respectively and correspondingly connected with a metal block 3c and a contact 3a on the data line 3.

In this embodiment, there is at least one magnetic block 10, and there are at least two communication contacts 11; it is easy to know that in other implementations, the layout of the magnetic block 10 and the data communication contact 11 may be changed in other equivalent functions, and will not be described herein again.

In this embodiment, the mobile phone back sticker 1 includes a connection mode of a double-sided film 12, one side of the double-sided film 12 is bonded to the rear cover 9 of the accommodating cavity housing, and the other side is bonded to the back of the mobile phone housing or the back of the mobile phone case protective housing.

The beneficial effects of the utility model include at least: the mobile phone storage capacity expansion back sticker is used as an important device for external expansion of mobile phone storage capacity, one party is connected with a mobile phone data communication interface, the other party is matched with magnetic absorption and adsorption of a data line through a data communication contact arranged on a circuit board, the defect that a traditional U disk occupies a mobile phone charging and data communication interface when used for mobile phone capacity expansion is overcome, and the mobile phone can be charged and can be in data communication with external equipment while the external storage capacity is expanded; and moreover, the flexible circuit is used as an implementation mode of the expansion circuit and is matched with a mobile phone back patch type design scheme, so that the expansion back patch has the convenience of carrying, can be connected with a mobile phone for a long time, and ensures real-time data transmission between the mobile phone and the expansion storage back patch.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that various modifications and decorations can be made by those skilled in the art without departing from the principle of the present invention.

Claims

1. The utility model provides a cell-phone back of body subsides with cell-phone memory capacity extension and data communication function which characterized in that: the data cable comprises a shell provided with an accommodating cavity, wherein an exposed opening communicated with the accommodating cavity is formed in the accommodating cavity shell, at least two communication contacts and a magnetic block are arranged in each exposed opening and used for being in adsorption connection with the corresponding communication contacts and metal blocks on the data cable, and the other end of each communication contact in each exposed opening is connected with a circuit board; a circuit board, a slot for mounting an external storage card and a magnetic block are arranged in the accommodating cavity, wherein the circuit board comprises a main control chip, an internal storage chip and a communication contact; the shell of the accommodating cavity is provided with an opening for connecting the circuit board with a data communication interface of the mobile phone through a flexible circuit; the shell of the accommodating cavity is provided with another opening for plugging and unplugging an external storage card; the magnetic block is exposed in an exposed opening of the accommodating cavity shell and used for adsorbing a metal adsorption block on the data line, and meanwhile, a communication contact in the exposed opening is correspondingly connected with a communication contact on the data line, so that the function of expanding the storage capacity of the mobile phone by sticking the internal chip and the external memory card on the back is achieved; and the data line is connected with the back sticker and a computer or other equipment, so that the computer or other equipment can read and write the storage contents of the mobile phone and the back sticker, and the function of data communication is achieved.

2. The mobile phone sticker with mobile phone storage capacity expansion and data communication functions as claimed in claim 1, further characterized in that: at least two data communication contacts are arranged on the circuit board; the arrangement mode of the data communication contacts at least comprises the following steps: the data communication contacts and the magnetic blocks are arranged and distributed in a claw shape together; or the data communication contacts are distributed around the magnetic blocks in a circular arrangement; or the data communication contacts are arranged and distributed around the magnetic blocks in a square shape; or the data communication contacts are distributed around the magnetic blocks in a rectangular arrangement; or, the data communication contacts are distributed around the magnetic blocks in a polygonal arrangement.

3. The mobile phone sticker with mobile phone storage capacity expansion and data communication functions as claimed in claim 1, wherein: one or more external memory card slots can be arranged, correspondingly, one or more external memory card plugging and unplugging openings of the accommodating cavity shell are also arranged, and when the number of the external memory card slots is multiple, the memory cards in the slots expand the storage capacity of the mobile phone in a parallel working mode; an external memory card expansion slot can be cancelled, and when the external memory card slot is cancelled, the memory capacity of the mobile phone is expanded only by means of the built-in memory chip on the circuit board.

4. The mobile phone sticker with mobile phone storage capacity expansion and data communication functions as claimed in claim 1, further characterized in that: one side of the double-sided film is bonded with the back shell of the accommodating cavity, namely the side of the shell of the accommodating cavity facing the back of the mobile phone; the other side of the double-sided film is bonded with the back of the mobile phone shell or the back of the mobile phone outer shell protective shell, so that the effect of tight adsorption of the back patch and the mobile phone is achieved.

5. The mobile phone sticker with mobile phone storage capacity expansion and data communication functions as claimed in claim 1, further characterized in that: the magnetic block is connected with the back of the containing cavity and the back of the mobile phone shell or the back of the mobile phone outer shell protection shell in a magnetic adsorption mode, the sticky metal sheet is arranged to be bonded with the back of the mobile phone shell or the back of the mobile phone outer shell protection shell, at the moment, the containing cavity back shell is also provided with an exposing opening used for exposing the magnetic block, and the magnetic block and the metal sheet are subjected to magnetic adsorption to achieve the effect of back attachment and tight adsorption of a mobile phone.

6. The mobile phone sticker with mobile phone storage capacity expansion and data communication functions as claimed in claim 1, further characterized in that: the mobile phone shell is characterized in that the back shell of the accommodating cavity is connected with the back of the mobile phone shell or the back of the mobile phone outer shell protective shell in a buckling mode; set up viscidity base and bond in cell phone case back or the back of cell phone case protective housing, viscidity base is equipped with the buckle groove, the backshell that holds the chamber sets up the buckle to the mode that the buckle is connected is fixed hold the chamber backshell with the base reaches the effect of the inseparable absorption of back of the body subsides and cell-phone.

7. The mobile phone sticker with mobile phone storage capacity expansion and data communication functions as claimed in claim 1, further characterized in that: the magnetic block is arranged on the data line and is connected with the data line in a magnetic suction mode, and the communication contact in the exposed opening of the back sticking containing cavity is correspondingly communicated with the communication contact on the data line.

8. The mobile phone sticker with mobile phone storage capacity expansion and data communication functions as claimed in claim 1, further characterized in that: the accommodating cavity and the accommodating cavity shell can be designed into various shapes such as a circle, a square, an ellipse, a polygon and the like.

9. The mobile phone sticker with mobile phone storage capacity expansion and data communication functions as claimed in claim 1, further characterized in that: the mobile phone back sticker can also be applied to expansion of storage capacity of a tablet personal computer and a media player.