TWM514032U - Mobile phone back cover with expanding keyboard - Google Patents

Description

Mobile phone back cover with extended keyboard

This creation is about a mobile phone back cover, especially a mobile phone back cover with an extended keyboard.

With the advancement of technology, portable electronic products (such as smart phones, tablets or PDAs) are also becoming more and more popular. Compared with traditional desktop computers, portable electronic products have the advantages of small size and light weight. And easy to carry. However, for editors, portable electronic products are mostly implemented using a virtual keyboard that is displayed on the screen. Since the screen and the virtual keyboard of the portable electronic product are small, it is very difficult to operate and is easy to input errors, which is inconvenient for a user who needs a large amount of text input and editing. In addition, the virtual keyboard will block most of the screen range, which is not conducive to user viewing and operation.

In view of this, most people will purchase a set of external physical keyboards. When text input and editing are required, the external physical keyboard can be connected with the portable electronic product, which makes the operation more convenient and fast. However, when the user goes out, the user must carry the external physical keyboard and the portable electronic device respectively, and the general external physical keyboard is relatively large in size, which causes inconvenience in carrying. Therefore, how to make the external physical keyboard more convenient to carry, and when used with portable electronic products, it can be more user-friendly, and the users are looking forward to it, which is also the goal and direction that the relevant industry needs to work hard to develop.

In view of the above problems, in an embodiment, a mobile phone back cover having an extended keyboard is provided, including a mobile phone back cover main body, a folding keyboard, and an electrical connection line. The back cover body of the mobile phone includes an electrical connection portion. The folding keyboard includes a first plate body, a second plate body, a first flexible piece, a second flexible piece and a cover plate. A first keyboard portion is disposed on the first plate body. The second board portion is provided with a second keyboard portion. The first flexible plate is connected between the first plate body and the second plate body, so that the first plate body and the second plate body are selectively covered or unfolded relative to each other, and the first plate body further includes a side edge. The side edges are located on the adjacent sides of the first plate body with the first flexible piece. The second flexible piece is connected between the side edge and the cover plate, so that the cover plate is selectively closed or unfolded relative to the first plate body, and the cover plate is fixedly connected to the back cover body of the mobile phone. The electrical connection line is disposed on the folding keyboard, and the electrical connection portion of the main body of the mobile phone back cover is electrically connected to the first keyboard portion and the second keyboard portion through the electrical connection line.

In an embodiment, the electrical connection portion may include a plurality of mobile phone conductive contacts to correspond to a plurality of conductive contacts electrically connected to a mobile phone.

In an embodiment, the electrical connection portion may be a mobile phone connection terminal to be electrically connected to one of the internal or one side of the mobile terminal.

In an embodiment, the mobile phone back cover body may include an opposite mobile phone assembly surface and a back surface, the cover plate is fixedly connected to the back surface, and the cover plate may include a foldable support.

In an embodiment, the back surface of the cover further includes a hollow slot, and the foldable bracket is rotatably received in the hollow slot.

In an embodiment, the foldable bracket can include a fold line that is parallel to the sides of the first panel.

In an embodiment, the back cover body of the mobile phone includes an opposite assembly surface and a back surface of the mobile phone, and the cover plate is fixedly connected to the assembled surface of the mobile phone, and the main body of the mobile phone back cover may include a receivable bracket.

In an embodiment, the back cover body of the mobile phone includes a transparent slot, and the retractable bracket is rotatably received in the through slot.

In an embodiment, the second board body may be provided with a third keyboard part, and the third keyboard part and the second keyboard part are respectively located on opposite sides of the second board body.

In an embodiment, the back cover of the mobile phone may include a soft protective layer covering the first keyboard portion and the second keyboard portion.

In summary, when the mobile phone back cover with the extended keyboard of the present embodiment is used, the user can remove the original back cover of the mobile phone, and assemble the mobile phone back cover body to replace the original back cover, and the hand The function is electrically connected to the electrical connection portion of the main body of the back cover of the mobile phone, so that the mobile phone and the first keyboard portion and the second keyboard portion can be wired to operate, thereby achieving the function of the mobile phone expanding the keyboard without going through the Bluetooth or Add battery power to effectively reduce costs. In addition, the back cover body and the folding keyboard of the mobile phone can be folded together to reduce the volume of the back cover of the mobile phone, which is more convenient to carry, and the mobile phone can be further protected.

1 and 2 are perspective views of an embodiment of a mobile phone back cover having an extended keyboard. As shown in FIGS. 1 and 2, in an embodiment, the mobile phone back cover 1 includes a mobile phone back cover main body 10, a folding keyboard 20, and an electrical connection line 30.

The mobile phone back cover main body 10 is a back cover corresponding to a mobile phone 2. In other words, the structure of the mobile phone back cover main body 10 is designed corresponding to the back cover of the mobile phone 2. Therefore, after the mobile phone 2 has removed the back cover, it can be assembled to the mobile phone. The back cover body 10 replaces the original back cover with the mobile phone back cover main body 10. That is to say, the mobile phone back cover main body 10 is not a protective cover or a protective cover covering the outside of the mobile phone 2. In some embodiments, the mobile phone 2 refers to a portable electronic device, such as a smart phone, a tablet computer, or a personal digital assistant (PDA).

In an embodiment, the mobile phone back cover body 10 includes an electrical connection portion 11 , and the electrical connection portion 11 can be connected to the internal circuit of the mobile phone 2 when the mobile phone 2 is detached from the original back cover and assembled to the mobile phone back cover main body 10 . The board is electrically connected. As shown in the first and second embodiments, in the embodiment, the mobile phone back cover main body 10 includes opposite mobile phone assembly surfaces 12 and a rear surface 13. The electrical connection portion 11 is a plurality of mobile phone conductive contacts and is disposed on the mobile phone assembly surface 12 . The mobile phone 2 itself has a corresponding electrical connection portion, that is, the mobile phone 2 with the back cover removed has a corresponding electrical connection portion, such as a plurality of conductive contacts or a spring connector (Pogo pin). When the mobile phone 2 is assembled to the mobile phone back cover main body 10, it can be electrically connected to the electrical connection portion 11. For example, when the mobile phone 2 is assembled in the mobile phone back cover body 10, the electrical connection portion (such as a spring connector) of the mobile phone 2 itself can contact the electrical connection portion 11, whereby the mobile phone 2 can be electrically connected to the mobile phone back cover 1 connection.

The folding keyboard 20 includes a first plate body 21, a second plate body 22, a first flexible piece 23, a second flexible piece 24, and a cover plate 25. A first keyboard portion 211 is disposed on the first board body 21, and a second keyboard portion 221 is disposed on the second board body 22. The first flexible sheet 23 is connected between the first board body 21 and the second board body 22. The first plate body 21 and the second plate body 22 are selectively capped or unfolded relative to each other. As shown in Fig. 1, in a state in which the first plate body 21 and the second plate body 22 are unfolded relative to each other, the first keyboard portion 211 and the second keyboard portion 221 can be exposed for the user to operate. As shown in FIG. 3, in a state in which the second plate body 22 is closed with respect to the first plate body 21, the second plate body 22 is swung with respect to the first plate body 21 and stacked on the first plate body. 21 on.

In an embodiment, the first keyboard portion 211 and the second keyboard portion 221 can include a plurality of buttons, and the user can input the electronic signal by tapping the buttons of the first keyboard portion 211 and the second keyboard portion 221 .

The first plate body 21 further includes a side edge 212. The side edge 212 and the first flexible piece 23 are respectively located on adjacent sides of the first plate body 21, and the second flexible piece 24 is connected to the side edge 212 and the cover plate 25. Between the two, the cover plate 25 is selectively covered or unfolded relative to the first plate body 21, and the cover plate 25 is fixedly coupled to the mobile phone back cover body 10. As shown in the first and third figures, the cover plate 25 is in a state of being unfolded relative to the first plate body 21. As shown in FIG. 4, in a state in which the cover plate 25 is closed with respect to the first plate body 21, the second plate body 22 is covered on the first plate body 21, and the cover plate 25 is further opposite to the first plate. The body 21 is swung and stacked on the second plate body 22. Since the back cover 1 of the mobile phone can be folded, the first board 21, the second board 22 and the cover 25 can be overlapped with each other, so that the overall volume can be reduced for carrying and storing, and the first keyboard part 211 and the second part are The keyboard portion 221 can be wrapped between the first plate body 21 and the second plate body 22 to achieve protection against dust, water, and collision, thereby increasing the service life.

As shown in FIG. 2, in an embodiment, the cover plate 25 is fixedly attached (e.g., adhered or thermally fused) to the back surface 13 of the body of the mobile phone back cover 10. Therefore, as shown in FIG. 4, after the first board body 21, the second board body 22, and the cover plate 25 are overlapped with each other, the mobile phone back cover main body 10 can be located between the cover plate 25 and the second board body 22, and The advantages of further protecting the mobile phone back cover main body 10 and the mobile phone 2 are achieved.

In some embodiments, the first plate body 21, the second plate body 22, the first flexible piece 23, the second flexible piece 24, and the cover plate 25 may be made of the same flexible material (for example, leather). The first plate body 21 and the second plate body 22 are made to have a function of being relatively superimposable and unfoldable by the flexible characteristics of the first flexible piece 23. The cover plate 25 and the first plate body 21 achieve the functions of being relatively stackable and unfoldable by the flexible characteristics of the second flexible sheet 24. In some embodiments, the first plate body 21, the second plate body 22, the first flexible piece 23, the second flexible piece 24, and the cover plate 25 may be integrally formed. Therefore, compared with the way in which the folding is achieved by mechanical structures such as pivots or connecting rods in the past, the cost can be greatly reduced and production can be facilitated, and the volume can be greatly reduced. In some embodiments, the first plate body 21 and the second plate body 22 can respectively cover the bottom and the periphery of the first keyboard portion 211 and the second keyboard portion 221 (as shown in FIG. 1) to enhance the protection effect. However, in some embodiments, the first plate body 21, the second plate body 22, and the cover plate 25 may also be plastic or acrylic plates, which is not limited.

As shown in FIG. 1 , in an embodiment, the folding keyboard 20 further includes a soft protective layer 26 (for example, a waterproof film) for covering the first keyboard portion 211 and the second keyboard portion 221 , and can further When the first keyboard portion 211 and the second keyboard portion 221 are in an operable state, the waterproof and dustproof protection effects can be achieved. For example, the soft protective layer 26 is, for example, a waterproof PU (poly urethane) leather, and the soft protective layer 26 is provided with a pattern corresponding to the position, size, and shape of the buttons of the first keyboard portion 211 and the second keyboard portion 221 ( For example, a plurality of quadrilateral patterns with chamfers). The pattern of the soft protective layer 26 can be formed by performing an imprint process on a flat PU leather, and the soft protective layer 26 is integrally formed to cover the first keyboard portion 211 and the second keyboard portion 221. In one embodiment, the first plate body 21, the second plate body 22, the first flexible piece 23, the second flexible piece 24, the cover plate 25, and the soft protective layer 26 may be integrally formed and the same. Made of flexible materials such as leather.

The electrical connection line 30 can be a wire or a cable and is disposed on the folding keyboard 20 . The electrical connection portion 11 of the mobile phone back cover body 10 is electrically connected to the first keyboard portion 211 and the second keyboard portion 221 through the electrical connection line 30 . As shown in FIG. 1, the electrical connection line 30 can be embedded in the interior of the first plate body 21, the second plate body 22, the first flexible sheet 23, the second flexible sheet 24, and the cover plate 25 (for example, in the interlayer). When the mobile phone 2 is assembled to the mobile phone back cover main body 10 and electrically connected to the electrical connection portion 11, the mobile phone 2 can supply power to the first keyboard portion 211 and the second keyboard portion 221, so that the first keyboard portion 211 and the second keyboard portion The keyboard portion 221 can operate and deliver signals to the handset 2. Therefore, the mobile phone 2 and the first keyboard portion 211 and the second keyboard portion 221 are electrically connected to each other. Therefore, the mobile phone back cover 1 of the embodiment does not need to transmit power through the Bluetooth or install a battery to achieve effective Reduce costs, reduce volume, and improve the stability of signal transmission.

As shown in FIG. 3, in an embodiment, the second board body 22 is further provided with a third keyboard portion 222. The third keyboard portion 222 includes, for example, numeric keys, multimedia operation keys, or other function keys, etc., as a numeric keypad, a multimedia operation keyboard, or other multi-function keyboard. The third keyboard portion 222 and the second keyboard portion 221 are respectively located on opposite sides of the second plate body 22. Thereby, when the second board 22 is covered by the first board 21, the user can operate the other different functions by using the third keyboard part 222, and the occupied volume can be reduced in use.

As shown in FIG. 2, in an embodiment, the cover plate 25 further includes a foldable bracket 251, and the foldable bracket 251 can be fixed to an inclined angle after the cover plate 25 is unfolded (as shown by the angle θ1 in the figure). When the user operates the first keyboard portion 211 and the second keyboard portion 221, the mobile phone 2 can be viewed at a relatively comfortable angle. In some embodiments, the back surface of the cover plate 25 further includes a hollow groove 252, wherein the hollow groove 252 has a groove edge 2521 away from the side edge 212 of the first plate body 21, and the foldable bracket 251 is formed by the hollow groove 252. The slot edge 2521 extends out and is received in the hollow slot 252, and the foldable bracket 251 is coupled to one side of the slot edge 2521 to have a flange, so that the foldable bracket 251 can be swung outwardly away from the hollow slot 252. Abuts against an operating plane (e.g., a table top) to support the cover panel 25 at the angle of inclination.

As shown in FIG. 2, in an embodiment, the foldable bracket 251 can include a fold line 253, and the fold line 253 is parallel to the side edge 212 of the first board body 21, so that the foldable bracket 251 can be bent into a three-dimensional shape. The contact area with the operation plane is increased to obtain a better support effect. Additionally, in some embodiments, the collapsible bracket 251 is formed using the original partial area of the cover plate 25, thereby achieving the advantage of material cost savings.

As shown in FIG. 5, it is a perspective view of a second embodiment of a mobile phone back cover having an extended keyboard. The difference between this embodiment and the above embodiment is that the cover plate 25 is fixedly connected (for example, adhered or heat-fused) to the mobile phone assembly surface 12 of the mobile phone back cover main body 10. In an embodiment, the electrical connection portion 11 is located on the mobile phone assembly surface 12, and the cover plate 25 covers the entire mobile phone assembly surface 12 and is provided with an escape hole 254. The escape hole 254 corresponds to the electrical connection portion 11 to make electricity. The sexual connection portion 11 can be exposed outside the cover plate 25, and can be electrically connected to the mobile phone 2 when the mobile phone 2 is assembled to the mobile phone back cover main body 10.

As shown in FIG. 6, corresponding to the second embodiment, the mobile phone back cover main body 10 further includes a retractable bracket 14 which can fix the mobile phone back cover main body 10 and the cover 25 after being unfolded. An oblique angle (shown by the angle θ2 in the figure) allows the user to view the mobile phone 2 at a more comfortable angle when operating the keyboard. In one embodiment, the mobile phone back cover body 10 includes a transparent slot 15 , and the through slot 15 is recessed on the back surface 13 of the back cover body 10 of the mobile phone. The receivable bracket 14 is a plate body and The retractable bracket 14 has a rotating shaft 141, and the rotating shaft 141 is pivotally connected to the back side of the mobile phone back cover main body 10, so that the retractable bracket 14 can be swung outwardly. The empty slot 15 abuts against an operating plane (e.g., a table top) to support the cover panel 25 and the handset back cover body 10 at the above-described angle of inclination. In some embodiments, the through-groove 15 can also be a through-groove type that penetrates the back cover body 10 of the mobile phone.

As shown in Fig. 7, a perspective view of a third embodiment of a mobile phone back cover having an extended keyboard is shown. The difference between this embodiment and the second embodiment is that the cover plate 25 covers only a partial surface (here, the surface of the intermediate portion) of the assembly surface 12 of the mobile phone, so that the cover plate 25 does not block the electrical connection portion 11 without The escape hole 254 is also provided, and it is not necessary to provide an opening corresponding to other components of the mobile phone 2, such as a camera lens or a horn.

As shown in FIG. 8, in an embodiment, the electrical connection portion 11 of the mobile phone back cover main body 10 can also be a mobile phone connection terminal, and the mobile phone 2 side has a corresponding transmission terminal, so that the mobile phone 2 is assembled to the mobile phone. When the main body 10 is backed, it can be electrically connected to the electrical connection portion 11. For example, the electrical connection portion 11 can be a micro usb plug, and the transmission terminal of the mobile phone 2 can be a micro usb slot.

In summary, when the mobile phone back cover with the extended keyboard of the present embodiment is used, the user can remove the original back cover of the mobile phone, and assemble the mobile phone back cover body to replace the original back cover, and the hand The function is electrically connected to the electrical connection portion of the main body of the back cover of the mobile phone, so that the first keyboard portion, the second keyboard portion and the mobile phone can be wired to operate, thereby achieving the function of the mobile phone expanding the keyboard without going through the Bluetooth or Add battery power to effectively reduce costs. In addition, the back cover body and the folding keyboard of the mobile phone can be overlapped with each other, thereby reducing the volume of the back cover of the mobile phone and facilitating carrying, and the mobile phone can be further protected.

Although the technical content of the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention. Anyone who is familiar with the art, and some modifications and refinements that do not depart from the spirit of the present invention should be included in the creation. Therefore, the scope of protection of this creation is subject to the definition of the scope of the patent application.

1‧‧‧Mobile phone back cover
2‧‧‧Mobile phones
10‧‧‧Mobile phone back cover body
11‧‧‧Electrical connection
12‧‧‧Mobile phone assembly surface
13‧‧‧Back
14‧‧‧Receivable bracket
141‧‧‧ shaft
15‧‧‧Through empty slot
20‧‧‧Folding keyboard
21‧‧‧ first board
211‧‧‧First Keyboard Department
212‧‧‧ side
22‧‧‧Second plate
221‧‧‧Second keyboard department
222‧‧‧ Third keyboard department
23‧‧‧First flexible film
24‧‧‧Second flexible film
25‧‧‧ Cover
251‧‧‧ foldable bracket
252‧‧‧ empty slots
2521‧‧‧Slots
253‧‧‧ fold line
254‧‧‧Escape
26‧‧‧Soft protective layer
30‧‧‧Electrical connection line θ1, θ2‧‧‧ angle

[Fig. 1] A perspective view of an embodiment of a mobile phone back cover having an extended keyboard. [Fig. 2] Another perspective exploded perspective view of an embodiment of a mobile phone back cover having an extended keyboard. [Fig. 3] This is a folding diagram (1) of an embodiment of a mobile phone back cover having an extended keyboard. [Fig. 4] This is a folding diagram (2) of an embodiment of a mobile phone back cover with an extended keyboard. [Fig. 5] A perspective view of a second embodiment of a mobile phone back cover having an extended keyboard. [Fig. 6] Another perspective view of the second embodiment of the mobile phone back cover having the extended keyboard. [Fig. 7] A perspective view of a third embodiment of a mobile phone back cover having an extended keyboard. [Fig. 8] A perspective view of another embodiment of the present invention.

1‧‧‧Mobile phone back cover

2‧‧‧Mobile phones

10‧‧‧Mobile phone back cover body

11‧‧‧Electrical connection

12‧‧‧Mobile phone assembly surface

20‧‧‧Folding keyboard

21‧‧‧ first board

211‧‧‧First Keyboard Department

212‧‧‧ side

22‧‧‧Second plate

221‧‧‧Second keyboard department

23‧‧‧First flexible film

24‧‧‧Second flexible film

25‧‧‧ Cover

26‧‧‧Soft protective layer

30‧‧‧Electrical cable

Claims (13)

A mobile phone back cover with an extended keyboard, comprising: a mobile phone back cover body, comprising an electrical connection portion; a folding keyboard, comprising a first plate body, a second plate body, a first flexible piece, a first a second flexible plate and a cover plate, the first plate body is provided with a first keyboard portion, the second plate body is provided with a second keyboard portion, the first flexible plate is coupled to the first plate body and the Between the second plates, the first plate and the second plate are selectively covered or unfolded relative to each other, and the first plate further includes a side, the side is coupled to the first The flexible sheets are respectively located on adjacent sides of the first board, and the second flexible piece is connected between the side edges and the cover plate, so that the cover plate is selectively closed with respect to the first board or And the cover is fixedly connected to the back cover body of the mobile phone; and an electrical connection line is disposed on the folding keyboard, wherein the electrical connection portion of the back cover body of the mobile phone is electrically connected to the electrical connection line a first keyboard portion and the second keyboard portion. The mobile phone back cover with an extended keyboard as claimed in claim 1, wherein the electrical connection portion comprises a plurality of mobile phone conductive contacts. The mobile phone back cover with an extended keyboard as claimed in claim 1, wherein the electrical connection portion is a mobile phone connection terminal. The mobile phone back cover with an extended keyboard as claimed in claim 1, wherein the mobile phone back cover main body comprises an opposite mobile phone assembly surface and a back surface, and the cover plate is fixedly connected to the back surface. The mobile phone back cover with an extended keyboard as claimed in claim 4, wherein the cover further comprises a foldable support. The back cover of the mobile phone with an extended keyboard as claimed in claim 5, wherein the back of the cover further comprises a hollow slot, and the foldable bracket is rotatably received in the hollow slot. The mobile phone back cover with an extended keyboard according to claim 5 or 6, wherein the foldable support further comprises a fold line parallel to the side of the first board. The mobile phone back cover with an extended keyboard as claimed in claim 1, wherein the mobile phone back cover main body comprises an opposite mobile phone assembly surface and a back surface, and the cover plate is fixedly connected to the mobile phone assembly surface. The mobile phone back cover with an extended keyboard as claimed in claim 8, wherein the electrical connection portion is located on the assembly surface of the mobile phone, and the cover plate defines an escape hole corresponding to the electrical connection portion. The mobile phone back cover with an extended keyboard as claimed in claim 8, wherein the mobile phone back cover main body further comprises a retractable support. The mobile phone back cover of the mobile phone back cover body of claim 10, wherein the mobile phone back cover main body comprises a transparent slot, and the receivable bracket is rotatably accommodated in the transparent space. The second backboard is further provided with a third keyboard portion, and the third keyboard portion and the second keyboard portion are respectively located on opposite sides of the second board. The mobile phone back cover with the extended keyboard as claimed in claim 1 further includes a soft protective layer covering the first keyboard portion and the second keyboard portion.