Leather sheath keyboard capable of leading out signals and taking electricity

Abstract

The utility model provides a leather sheath keyboard capable of leading out signals and taking electricity, which comprises a keyboard and a protective shell, the protective shell is provided with a placing groove used for installing a tablet personal computer, and the keyboard is connected with the bottom end of the protective shell through a flexible sheet; the end side, close to the keyboard, of the containing groove is provided with a pen groove and a line concentration groove, the side portion of the containing groove is provided with a communication electricity taking connector capable of being connected with a TYPE-C interface in an inserted mode, the line concentration groove is internally provided with a HUB circuit board, the HUB circuit board is provided with a USB interface, the side portion of the protective shell is provided with an external opening, and the USB interface is arranged in the external opening. The communication electricity-taking connector is connected with the HUB circuit board through a first flat cable, and the HUB circuit board is connected with a main control board of the keyboard through a second flat cable. A battery-free design is adopted, the tablet personal computer is used for supplying power to the keyboard, meanwhile, the wire collecting groove is additionally formed in the pen groove, the side edge, provided with the pen groove, of the protective shell is fully utilized, the HUB circuit board with the USB interface is arranged in the wire collecting groove, no interface needs to be additionally arranged on the keyboard, and the structure of the keyboard is simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of tablet computer auxiliary equipment, in particular to a leather case keyboard capable of eliciting signals and taking electricity. Background Art

[0002] In the prior art, tablet computers are usually equipped with a leather keyboard that has both protection and keyboard functions during daily use. The existing leather keyboard has a protective case for mounting the tablet computer, and at the same time, a pen slot for accommodating a stylus is provided on one side of the protective case. However, the length of the pen slot is much smaller than the protective case, which results in that the side of the protective case where the pen slot is provided is not fully utilized. In the prior art, an external connection frame is provided at the end of the pen slot to ensure that the protective case is rectangular as a whole, and the space between the external connection frame and the end of the pen slot is hollowed out, resulting in poor structural strength and easy damage. At the same time, the space between the external connection frame and the end of the pen slot is not fully developed and utilized, and further optimization and improvement are needed.

[0003] At the same time, the existing leather case keyboard adopts the following three ways to supply power:

[0004] Method 1: Use built-in rechargeable lithium batteries for power supply. For this purpose, the keyboard needs to be equipped with an additional charging port and charging module. This power supply structure has the problems of high production cost and difficulty in removing and replacing the battery. In addition, the built-in lithium battery needs to go through various strict and cumbersome inspection processes when the product enters and leaves the customs.

[0005] Method 2: Use removable batteries for power supply. Although this method reduces costs, users need to purchase batteries on their own, and the batteries need to be removed before the product enters or leaves customs.

[0006] Method 3: Powered by an external power supply. For this purpose, an additional interface needs to be set on the keyboard, and an additional connection cable for the external power supply needs to be carried, which does not provide a good user experience. Utility Model Content

[0007] In order to overcome the problems existing in the related art, the utility model provides a leather keyboard capable of extracting signals and taking electricity.

[0008] The purpose of this utility model is to provide a leather keyboard that can draw out signals and take electricity:

[0009] Includes a keyboard and a protective case, the protective case having a placement slot for mounting a tablet;

[0010] The keyboard is connected to the bottom end of the protective shell via a flexible sheet;

[0011] The placement slot is provided with a pen slot and a cable collection slot on the end side close to the keyboard, the sum of the lengths of the pen slot and the cable collection slot is equal to the side length of the placement slot in which they are located, the side of the placement slot is provided with a communication power connector that can be plugged into the TYPE-C interface on the tablet computer, a HUB circuit board is provided in the cable collection slot, a USB interface is provided on the HUB circuit board, an external opening is provided on the side of the protective shell, the USB interface is provided in the external opening, the communication power connector is connected to the HUB circuit board via a first cable, and the HUB circuit board is connected to the main control board of the keyboard via a second cable.

[0012] In a preferred technical solution of the utility model, the line collection slot, the communication power connection connector and the avoidance portion are arranged on the same side of the protective shell.

[0013] In a preferred technical solution of the utility model, the first row of cables and the second row of cables are both arranged on the back of the housing;

[0014] The protective shell is provided with a first channel for leading the first cable to the back side of the protective shell;

[0015] The protective shell is provided with a second channel for the first row of cables to access the cable collection slot;

[0016] The protective shell is provided with a third channel for leading the second cable to the back side of the protective shell;

[0017] The keyboard is provided with a fourth channel for accessing the second row of cables.

[0018] In a preferred technical solution of the utility model, one end of the flexible sheet covers the end side of the back of the protective shell close to the keyboard, and the other end of the flexible sheet covers the back of the keyboard;

[0019] The flexible sheet is bonded to the protective shell and the keyboard respectively.

[0020] In a preferred technical solution of the utility model, the portion of the second row of cables located on the back of the protective shell is covered by a flexible sheet;

[0021] Alternatively, a lead channel for the second row of cables to pass through is provided in the flexible sheet, and the lead channel connects the third channel and the fourth channel.

[0022] In a preferred technical solution of the utility model, a back plate is provided on the back of the protective shell, and the back plate includes a fixing plate and a supporting plate;

[0023] The fixing plate is fixedly mounted on the end side of the back of the protective shell away from the keyboard, the support plate is arranged on the end side of the back of the protective shell close to the keyboard, the fixing plate is rotatably connected to the support plate, and the support plate can cover and shield the back of the protective shell;

[0024] The flexible sheet is located between the protective shell and the support plate.

[0025] In a preferred technical solution of the utility model, the back panel is wrapped with a leather layer, and a tongue piece extends outward from the end side of the leather layer away from the keyboard;

[0026] A magnet A is arranged inside the tongue piece, and a magnet B is arranged on the end side of the keyboard away from the protective shell. When the leather cover keyboard is closed, the magnet A can be magnetically connected with the magnet B to close the leather cover keyboard.

[0027] In a preferred technical solution of the present invention, a pen cover is provided on the front side of the tongue piece, and the pen cover is located between the protective shell and the magnet A.

[0028] In a preferred technical solution of the utility model, an anti-snapping convex plate extending outward is provided on the outer periphery of the bottom of the keycap of the keyboard;

[0029] The anti-snapping convex plates are at least arranged at four corners of the keycap;

[0030] The front of the keyboard has a through hole for the keycap to pass through, and the circumference of the through hole is provided with a limiting guide groove for accommodating the anti-snapping convex plate. The limiting guide groove is closed at the end facing the front of the keyboard, and the anti-snapping convex plate can slide along the limiting guide groove.

[0031] In a preferred technical solution of the utility model, the cable collection slot is closed by a cover plate, and the cover plate is detachably connected to the cable collection slot. Exemplarily, the cover plate is connected to the cable collection slot by screws. Exemplarily, the cover plate is connected to the cable collection slot by buckles.

[0032] The beneficial effects of the utility model are:

[0033] A pen slot and a wire collection slot are provided at the end side of the placement slot close to the keyboard. The sum of the lengths of the pen slot and the wire collection slot is equal to the length of the side of the placement slot where they are located. A HUB circuit board is provided in the wire collection slot. A USB interface is provided on the HUB circuit board. An external connection opening is provided on the side of the protective shell. This design makes full use of the side of the protective shell where the pen slot is provided. The part where an external connection frame needs to be provided in the prior art is designed as a wire collection slot. The space is not fully utilized, and the structural strength of the protective shell is increased. At the same time, a HUB circuit board with a USB interface is provided in the wire collection slot. The USB interface can be used to connect external devices or charge a tablet computer. There is no need to provide an additional charging interface on the keyboard, which simplifies the structure of the keyboard.

[0034] A communication power connector that can be plugged into the TYPE-C interface on the tablet computer is arranged on the side of the placement slot. The USB interface is arranged in the external opening. The communication power connector is connected to the HUB circuit board via a first row of cables. The HUB circuit board is connected to the main control board of the keyboard via a second row of cables. This design can realize the communication connection between the tablet computer and the keyboard through the communication power connector, and realize that the keyboard draws power from the tablet computer. There is no need to carry an additional connection cable for an external power supply, and the leather case keyboard does not contain batteries, making it more convenient for products to enter and exit customs. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic diagram of the front structure of the leather keyboard.

[0036] Figure 2 This is a schematic diagram of the back structure of the leather keyboard.

[0037] Figure 3 This is the wiring diagram of the communication power connector, HUB circuit board and keyboard.

[0038] Figure 4 It is a schematic diagram of the structure of the key cap.

[0039] Figure 5 It is a schematic diagram of the matching structure of the anti-buckle convex plate and the limiting guide groove.

[0040] Reference numerals:

[0041] 100, keyboard; 110, keycap; 111, anti-snap convex plate; 120, through hole; 121, limit guide groove; 200, protective shell; 210, pen slot; 220, wire collection slot; 221, cover plate; 222, HUB circuit board; 223, USB interface; 230, communication power connector; 240, first row of cables; 250, second row of cables; 300, tongue piece; 310, pen cap; 400, flexible sheet; 500, back plate; 510, fixing plate; 520, support plate. DETAILED DESCRIPTION

[0042] The preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0043] The existing leather keyboard has a protective case for installing a tablet computer. At the same time, a pen slot 210 for accommodating a stylus is provided on one side of the protective case. The length of the pen slot 210 is much smaller than the protective case, which results in that the side of the protective case with the pen slot 210 is not fully utilized. In the prior art, an external connection frame is provided at the end of the pen slot 210 of the protective case to ensure that the protective case is rectangular as a whole. The space between the external connection frame and the end of the pen slot 210 is hollow, and the structural strength is poor and easy to be damaged. At the same time, the space between the external connection frame and the end of the pen slot 210 has not been fully developed and utilized, and needs to be further optimized and improved.

[0044] At the same time, the existing leather case keyboard adopts the following three ways to supply power:

[0045] Method 1: Use built-in rechargeable lithium batteries for power supply. For this purpose, the keyboard needs to be equipped with an additional charging port and charging module. This power supply structure has the problems of high production cost and difficulty in removing and replacing the battery. In addition, the built-in lithium battery needs to go through various strict and cumbersome inspection processes when the product enters and leaves the customs.

[0046] Method 2: Use removable batteries for power supply. Although this method reduces costs, users need to purchase batteries on their own, and the batteries need to be removed before the product enters or leaves customs.

[0047] Method 3: Powered by an external power supply. For this purpose, an additional interface needs to be set on the keyboard, and an additional connection cable for the external power supply needs to be carried, which does not provide a good user experience.

[0048] Example

[0049] In view of the above problems, the present embodiment provides a leather keyboard that can lead out signals and draw power. It adopts a battery-free design and uses a tablet computer to power the keyboard 100. At the same time, a wire collection slot 220 is added to the pen slot 210 position of the protective shell 200, so that the side of the protective shell 200 where the pen slot 210 is set can be fully utilized. A HUB circuit board 222 with a USB interface 223 is set in the wire collection slot 220. There is no need to set an additional interface on the keyboard 100, thereby simplifying the structure of the keyboard 100.

[0050] like Figure 1-5 As shown, a leather keyboard capable of drawing out signals and taking electricity:

[0051] The keyboard 100 and the protective shell 200 are included, and the protective shell 200 has a placement slot for installing a tablet computer;

[0052] The keyboard 100 is connected to the bottom end of the protective shell 200 via the flexible sheet 400;

[0053] The end side of the placement slot close to the keyboard 100 is provided with a pen slot 210 and a wire collection slot 220, the sum of the lengths of the pen slot 210 and the wire collection slot 220 is equal to the side length of the placement slot in which they are located, the side of the placement slot is provided with a communication power connector 230 that can be plugged into the TYPE-C interface on the tablet computer, a HUB circuit board 222 is provided in the wire collection slot 220, a USB interface 223 is provided on the HUB circuit board 222, an external opening is provided on the side of the protective shell 200, the USB interface 223 is provided in the external opening, the communication power connector 230 is connected to the HUB circuit board 222 via a first cable 240, and the HUB circuit board 222 is connected to the main control board of the keyboard 100 via a second cable 250.

[0054] Compared with the prior art, the leather case keyboard is provided with a pen slot 210 and a wire collection slot 220 at the end side of the placement slot close to the keyboard 100, the sum of the lengths of the pen slot 210 and the wire collection slot 220 is equal to the side length of the placement slot where they are located, a HUB circuit board 222 is provided in the wire collection slot 220, a USB interface 223 is provided on the HUB circuit board 222, and an external connection opening is provided on the side of the protective shell 200. This design makes full use of the side of the protective shell 200 where the pen slot 210 is provided, and the part where the external connection frame needs to be provided in the prior art is designed as the wire collection slot 220, which increases the structural strength of the protective shell 200 without fully utilizing the space. At the same time, a HUB circuit board 222 with a USB interface 223 is provided in the wire collection slot 220, and the USB interface 223 can be used to connect peripherals or charge the tablet computer, without the need to additionally provide a charging interface on the keyboard 100, thereby simplifying the structure of the keyboard 100.

[0055] Compared with the prior art, the leather keyboard is provided with a communication power connector 230 on the side of the placement slot which can be plugged into the TYPE-C interface on the tablet computer. The USB interface 223 is arranged in the external opening. The communication power connector 230 is connected to the HUB circuit board 222 via the first cable 240. The HUB circuit board 222 is connected to the main control board of the keyboard 100 via the second cable 250. This design can realize the communication connection between the tablet computer and the keyboard 100 through the communication power connector 230, and realize the keyboard 100 to draw power from the tablet computer, without the need to carry an additional connecting cable for an external power supply, and the leather keyboard 100 does not contain a battery, so it is more convenient for the product to enter and exit customs.

[0056] In this embodiment, in order to simplify wiring, shorten wiring length and reduce costs, the cable collection slot 220 , the communication power connector 230 and the avoidance portion are arranged on the same side of the protective shell 200 .

[0057] In this embodiment, the cable collection slot 220 is closed by a cover plate 221, and the cover plate 221 is detachably connected to the cable collection slot 220. For example, the cover plate 221 is connected to the cable collection slot 220 by screws. For example, the cover plate 221 is connected to the cable collection slot 220 by snap-fit.

[0058] In this embodiment, the first cable 240 and the second cable 250 are both disposed on the back of the housing;

[0059] The protective shell 200 is provided with a first channel for leading the first wiring cable 240 to the back side of the protective shell 200;

[0060] The protective shell 200 is provided with a second channel for the first cable 240 to access the cable collection slot 220;

[0061] The protective shell 200 is provided with a third channel for leading the second cable 250 to the back side of the protective shell 200;

[0062] The keyboard 100 is provided with a fourth channel for the second cable 250 to be connected.

[0063] In this embodiment, one end of the flexible sheet 400 covers the back side of the protective shell 200 close to the keyboard 100, and the other end of the flexible sheet 400 covers the back side of the keyboard 100;

[0064] The flexible sheet 400 is bonded to the protective shell 200 and the keyboard 100 respectively, and the flexible sheet 400 enables the angles of the protective shell 200 and the keyboard 100 to be relatively adjustable.

[0065] It should be noted that the flexible sheet 400 also has the function of protecting the second cable 250. In one embodiment, in order to protect the second cable 250 and prevent the second cable 250 from leaking out too much, the portion of the second cable 250 located on the back of the protective shell 200 is covered by the flexible sheet 400. In another embodiment, in order to protect the second cable 250 and prevent the second cable 250 from leaking out, a lead channel for the second cable 250 to pass through is provided in the flexible sheet 400, and the lead channel connects the third channel and the fourth channel.

[0066] In this embodiment, a back plate 500 is disposed on the back of the protective shell 200, and the back plate 500 includes a fixing plate 510 and a supporting plate 520;

[0067] The fixing plate 510 is fixedly mounted on the end side of the back of the protective shell 200 away from the keyboard 100, and the support plate 520 is arranged on the end side of the back of the protective shell 200 close to the keyboard 100. The fixing plate 510 and the support plate 520 are rotatably connected via a hinge axis, and the support plate 520 can cover and shield the back of the protective shell 200;

[0068] The flexible sheet 400 is located between the protective shell 200 and the support plate 520;

[0069] When the tablet computer needs to be squared, the support plate 520 covers the back of the protective shell 200; when the tablet computer needs to be supported (such as when watching videos or typing documents using the keyboard 100), the support plate 520 is turned outward and can be used as a bracket to support the tablet computer in the protective shell 200.

[0070] In this embodiment, the back plate 500 is wrapped with a leather layer, and a tongue piece 300 extends outward from the end side of the leather layer away from the keyboard 100. The leather layer can improve the feel of the leather keyboard 100 and improve the aesthetics.

[0071] A magnet A is disposed inside the tongue piece 300 , and a magnet B is disposed inside the keyboard 100 at the end away from the protective shell 200 . When the leather case keyboard 100 is closed, the magnet A can be magnetically connected with the magnet B to close the leather case keyboard 100 .

[0072] In this embodiment, a pen cover 310 is provided on the front of the tongue piece 300, and the pen cover 310 is located between the protective shell 200 and the magnet A. This design cooperates with the pen slot 210 to store two stylus pens at the same time. The user can configure two different stylus pens as needed, so as to have one for backup and one for use, and switch the stylus pens according to usage needs, so as to improve work quality and user experience.

[0073] In this embodiment, the bottom periphery of the keycap 110 of the keyboard 100 is provided with an outwardly extending anti-snagging convex plate 111;

[0074] The anti-snapping protrusions 111 are at least arranged at four corners of the keycap 110;

[0075] The front side of the keyboard 100 has a through hole 120 for the keycap 110 to pass through, and the circumference of the through hole 120 is provided with a limiting guide groove 121 for accommodating the anti-snapping protrusion 111. The limiting guide groove 121 is closed at the end toward the front side of the keyboard 100, and the anti-snapping protrusion 111 can slide along the limiting guide groove 121.

[0076] In actual application, the keyboard 100 realizes input by tapping the keycap 110. Manually removing the keycap 110 on the keyboard 100 may easily cause safety hazards. After the keycap 110 is removed, the internal components of the keyboard 100 are exposed and easily damaged or dislocated. The corresponding protection design of the leather keyboard 100 makes it impossible to remove the keycap 110 through the matching structure of the anti-snap convex plate 111 and the limiting guide groove 121. This structural design gives the keycap 110 an anti-snap function.

[0077] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the application. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a restriction. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in the subsequent accompanying drawings.

[0078] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0079] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0080] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0081] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A leather keyboard capable of extracting signals and taking electricity, comprising a keyboard and a protective shell, wherein the protective shell has a placement slot for installing a tablet computer, characterized in that: The keyboard is connected to the bottom end of the protective shell via a flexible sheet; The placement slot is provided with a pen slot and a cable collection slot on the end side close to the keyboard, the placement slot is provided with a communication power connector that can be plugged into the TYPE-C interface on the tablet computer on the side, a HUB circuit board is provided in the cable collection slot, a USB interface is provided on the HUB circuit board, an external opening is provided on the side of the protective shell, the USB interface is provided in the external opening, the communication power connector is connected to the HUB circuit board via a first cable, and the HUB circuit board is connected to the main control board of the keyboard via a second cable.

2. The leather keyboard capable of extracting signals and taking electricity according to claim 1, characterized in that: The line collection slot, the communication power connection connector and the avoidance portion are arranged on the same side of the protective shell.

3. The leather keyboard capable of extracting signals and taking electricity according to claim 1, characterized in that: The first row of cables and the second row of cables are both arranged on the back of the housing; The protective shell is provided with a first channel for leading the first cable to the back side of the protective shell; The protective shell is provided with a second channel for the first row of cables to access the cable collection slot; The protective shell is provided with a third channel for leading the second cable to the back side of the protective shell; The keyboard is provided with a fourth channel for accessing the second row of cables.

4. The leather keyboard capable of extracting signals and taking electricity according to claim 3, characterized in that: One end of the flexible sheet covers the back side of the protective shell close to the keyboard, and the other end of the flexible sheet covers the back side of the keyboard; The flexible sheet is bonded to the protective shell and the keyboard respectively.

5. The leather keyboard capable of extracting signals and taking electricity according to claim 4, characterized in that: The portion of the second row of cables located on the back of the protective shell is covered by a flexible sheet; Alternatively, a lead channel for the second row of cables to pass through is provided in the flexible sheet, and the lead channel connects the third channel and the fourth channel.

6. The leather keyboard capable of extracting signals and taking electricity according to claim 4, characterized in that: A back plate is provided on the back of the protective shell, and the back plate includes a fixing plate and a supporting plate; The fixing plate is fixedly mounted on the end side of the back of the protective shell away from the keyboard, the support plate is arranged on the end side of the back of the protective shell close to the keyboard, the fixing plate is rotatably connected to the support plate, and the support plate can cover and shield the back of the protective shell; The flexible sheet is located between the protective shell and the support plate.

7. The leather keyboard capable of extracting signals and taking electricity according to claim 6, characterized in that: The back panel is wrapped with a leather layer, and a tongue piece extends outward from the end of the leather layer away from the keyboard; A magnet A is arranged inside the tongue piece, and a magnet B is arranged on the end side of the keyboard away from the protective shell. When the leather cover keyboard is closed, the magnet A can be magnetically connected with the magnet B to close the leather cover keyboard.

8. The leather keyboard capable of extracting signals and taking electricity according to claim 7, characterized in that: A pen cover is arranged on the front side of the tongue piece, and the pen cover is located between the protective shell and the magnet A.

9. The leather keyboard capable of extracting signals and taking electricity according to claim 1, characterized in that: The outer periphery of the bottom of the keycap of the keyboard is provided with an outwardly extending anti-snapping convex plate; The anti-snapping convex plates are at least arranged at four corners of the keycap; The front of the keyboard has a through hole for the keycap to pass through, and the circumference of the through hole is provided with a limiting guide groove for accommodating the anti-snapping convex plate. The limiting guide groove is closed at the end facing the front of the keyboard, and the anti-snapping convex plate can slide along the limiting guide groove.

10. The leather keyboard capable of extracting signals and taking electricity according to claim 1, characterized in that: The cable collection slot is closed by a cover plate, and the cover plate is detachably connected to the cable collection slot.

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