Skin keyboard
By routing the FPC cable around the hinge surface within the leather keyboard case, the problems of bulkiness and unattractive appearance in existing technologies are solved. This achieves a thinner and lighter leather keyboard case while protecting the FPC cable, improving both appearance and lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN YOUCAIJIA TECH CO LTD
- Filing Date
- 2025-07-17
- Publication Date
- 2026-07-14
AI Technical Summary
The existing method of passing the FPC cable through the hinge in leather keyboards results in a bulky and unattractive product, and the FPC cable is also prone to wear and tear.
By routing the FPC wire around the surface of the spool, and through the design of the first spool assembly and the bending section, combined with the limiting groove and POGO PIN connector, the surface routing of the FPC wire is achieved, reducing the size of the spool and minimizing bending.
This design achieves a thinner and lighter keyboard with a more aesthetically pleasing appearance, while also extending the lifespan of the FPC cable.
Smart Images

Figure CN224501251U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of keyboard technology, and in particular to a leather-covered keyboard. Background Technology
[0002] Currently, small, portable electronic devices such as mobile phones, MIDs (Mobile Internet Devices), and tablets have become necessities for people, widely used in both daily life and work. To protect these devices, people usually use protective cases, and to improve typing experience and input efficiency, they often connect external keyboards.
[0003] Currently, leather keyboard cases that combine protection and keyboard input are available on the market, allowing connection to mobile phones, MIDs, tablets, and other electronic devices. These leather keyboard cases typically connect magnetically, requiring no charging and are ready to use immediately upon connection, making them very convenient. Typing with a leather keyboard case is more convenient and faster than using the virtual keyboard on mobile phones, MIDs, and tablets, and users are more accustomed to using it. The leather keyboard case protects mobile phones, MIDs, tablets, and other electronic devices from drops, scratches, dust, and water. It can also be used as a stand for mobile phones, MIDs, tablets, and other electronic devices, making it easier for users to view the screen.
[0004] A typical keyboard case includes a leather case, a keyboard mounted on the case, a cover plate for securing external electronic devices, a hinge for connecting the keyboard and the cover plate, and an FPC (Flexible Printed Circuit) cable for electrically connecting the keyboard and the external electronic devices. One end of the FPC cable is electrically connected to the keyboard's mainboard, and the other end passes through the hinge and is fixed to the cover plate for electrically connecting to the external electronic devices.
[0005] In existing technologies, the FPC cable of a leather-covered keyboard typically passes through the hinge in two ways: through the leather cover or through the hinge itself. The leather cover method places the FPC cable inside the leather cover, increasing the thickness of the cover, affecting the product's appearance, and making the FPC cable more susceptible to wear. The hinge-based method usually uses a hollow hinge design (such as a cylindrical hollow hinge). One end of the FPC cable is fixed to the keyboard, and the other end passes through the hinge and is fixed to the cover plate. This method hides the FPC cable within the hinge, minimizing the impact on the product's appearance and providing some protection for the FPC cable. However, to accommodate the FPC cable, the outer diameter of the hinge needs to be designed to be thicker, resulting in a bulkier appearance and a heavier product. Summary of the Invention
[0006] The purpose of this invention is to provide a leather keyboard in which the FPC cable is wound around the surface of the hinge, thereby reducing the size of the hinge, making the leather keyboard thinner and lighter, and making the leather keyboard more aesthetically pleasing.
[0007] To achieve the above objectives, this utility model provides a leather keyboard case, comprising a leather case and a keyboard mounted on the leather case; the leather case includes a base plate for mounting the keyboard, a cover plate for fixing electronic devices, a hinge assembly for connecting the base plate and the cover plate, and an FPC cable; the hinge assembly includes a first hinge assembly, a second hinge, a first bushing, and a second bushing; the first hinge assembly includes a first hinge and a hinge seat, the first bushing includes a first sleeve and a first fixing piece connecting the first sleeve, and the second bushing includes a second sleeve and a second fixing piece connecting the second sleeve; the first hinge includes a first connecting portion rotatably mounted on the hinge seat, a second connecting portion fixedly connected to one end of the first sleeve, and the first connecting portion and the first... The FPC cable guide between the two connecting parts has the following configuration: one end of the first sleeve is fixedly connected to one end of the second shaft, and the other end of the second shaft is rotatably connected to the second sleeve; the shaft seat and the second fixing plate are fixed to the base plate, and the first fixing plate is fixed to the cover plate; one end of the FPC cable is fixed to the cover plate for electrical connection to electronic equipment, and the other end is electrically connected to the keyboard; the end of the first sleeve connected to the first shaft is provided with an FPC cable guide hole; the FPC cable passes through the FPC cable guide hole into the first sleeve and then wraps around the surface of the FPC cable guide and exits from one end of the first sleeve with the first shaft; the FPC cable includes a bend for wrapping around the surface of the FPC cable guide during assembly.
[0008] The bent portion is U-shaped, and the cover plate is provided with an FPC limiting groove, in which the FPC line is restricted.
[0009] The leather case also includes a leather cover that covers the surface of the cover plate.
[0010] The FPC line is fixed to one end of the cover plate and is provided with a POGO PIN connector for electrical connection to electronic devices. The leather cover has an opening corresponding to the POGO PIN connector to expose the POGO PIN connector.
[0011] The cover plate includes a first cover plate for fixing electronic devices, a second cover plate for mounting the pivot assembly, and a secondary shaft assembly connecting the first cover plate and the second cover plate. The second cover plate includes a first fixing plate mounting portion, the FPC line is fixed on the first cover plate, and the first fixing plate is fixed in the first fixing plate mounting portion.
[0012] The FPC limiting groove includes a first FPC limiting groove provided on the first cover plate and a second FPC limiting groove provided on the second cover plate, and the FPC line is limited within the first FPC limiting groove and the second FPC limiting groove.
[0013] The secondary shaft assembly includes one or more hinge shafts.
[0014] The first fixing piece is provided with a third FPC limiting groove corresponding to the FPC wire hole to restrict the routing of the FPC wire.
[0015] The rotating shaft assembly further includes a third bushing for concealing the first rotating shaft assembly. The third bushing includes a third sleeve and a third fixing piece connecting the third sleeve. The rotating shaft seat further includes a rotating shaft mounting seat and a rotating shaft fixing piece. The first rotating shaft is mounted on the rotating shaft mounting seat, and the first rotating shaft and the rotating shaft mounting seat are fitted inside the third sleeve. One end of the third sleeve is provided with a slot to allow the rotating shaft fixing piece to extend out of the third sleeve. The rotating shaft fixing piece is fixed to the seat plate, and the third fixing piece is fixed to the rotating shaft fixing piece.
[0016] The rotating shaft assembly also includes two rotating shaft plugs, which are respectively fixed to the ends of the second sleeve and the third sleeve away from the first sleeve to cover both ends of the rotating shaft assembly.
[0017] The FPC cable of this invention's leather keyboard is wound around the hinge surface, thereby reducing the hinge size and making the keyboard thinner and lighter, resulting in a more aesthetically pleasing appearance. Furthermore, compared to traditional leather keyboard cable routing methods, this invention's FPC cable routing method reduces cable bending and extends the cable's lifespan. Attached Figure Description
[0018] To further understand the features and technical content of this utility model, please refer to the following detailed description and accompanying drawings. However, the drawings are provided for reference and illustration only and are not intended to limit the scope of this utility model. In the drawings,
[0019] Figure 1 This is a three-dimensional structural diagram of an embodiment of the leather keyboard of this utility model;
[0020] Figure 2 for Figure 1 A three-dimensional structural diagram from another perspective;
[0021] Figure 3 for Figure 1 A schematic diagram of the decomposed structure;
[0022] Figure 4 for Figure 3 A schematic diagram showing the leather sleeve without the first and third bushings installed.
[0023] Figure 5 This is a schematic diagram of the assembly of the rotating shaft assembly and the FPC line according to an embodiment of the present invention;
[0024] Figure 6 for Figure 5 Another view of the assembly diagram of the pivot assembly and FPC line in the embodiment;
[0025] Figure 7 for Figure 6 A schematic diagram of the decomposed structure;
[0026] Figure 8 for Figure 5 A schematic diagram of an embodiment of the FPC line surrounding the first rotating shaft assembly;
[0027] Figure 9 for Figure 5 A schematic diagram of the FPC line surrounding the first rotating shaft assembly from another perspective in an embodiment;
[0028] Figure 10 for Figure 5 A three-dimensional structural schematic diagram of the first bushing in an embodiment;
[0029] Figure 11 This is a comparative schematic diagram of the FPC line before and after assembly according to an embodiment of the present invention. Detailed Implementation
[0030] To further illustrate the technical means and effects of this utility model, the following detailed description is provided in conjunction with the preferred embodiments of this utility model and their accompanying drawings.
[0031] Please see Figure 1-11This utility model provides a leather keyboard case, including a leather case 1 and a keyboard 2 mounted on the leather case 1; the leather case 1 includes a base plate 11 for mounting the keyboard 2, a cover plate 12 for fixing electronic devices, a hinge assembly 13 for connecting the base plate 11 and the cover plate 12, and an FPC cable 14; the hinge assembly 13 includes a first hinge assembly 131, a second hinge 132, a first bushing 133, and a second bushing 134; the first hinge assembly 131 includes a first hinge 1311 and a second hinge 134. The bearing seat 1312, the first bushing 133 includes a first sleeve 1331 and a first fixing piece 1332 connecting the first sleeve 1331, the second bushing 134 includes a second sleeve 1341 and a second fixing piece 1342 connecting the second sleeve 1341; the first rotating shaft 1311 includes a first connecting part 13111 rotatably mounted on the rotating shaft seat 1312, a second connecting part 13112 fixedly connected to one end of the first sleeve 1331, and the first connecting part 13111 and the first fixing piece 1342 connecting the first sleeve 1331. The FPC cable guide 13113 between the two connecting parts 13112 has the other end of the first sleeve 1331 fixedly connected to one end of the second rotating shaft 132, and the other end of the second rotating shaft 132 rotatably connected to the second sleeve 1341. The rotating shaft seat 1312 and the second fixing piece 1342 are fixed on the base plate 11, and the first fixing piece 1332 is fixed on the cover plate 12. One end of the FPC cable 14 is fixed on the cover plate 12 for electrical connection to electronic equipment, and the other end... The keyboard 2 is electrically connected; one end of the first sleeve 1331 connected to the first pivot 1311 is provided with an FPC cable hole 13311, the FPC cable 14 passes through the FPC cable hole 13311 into the first sleeve 1331 and then wraps around the surface of the FPC cable passage 13113 and exits from one end of the first sleeve 1331 with the first pivot 1311; the FPC cable 14 includes a bent portion 142 for wrapping around the surface of the FPC cable passage 13113 during assembly.
[0032] See Figure 4-11 FPC material is flexible, therefore, the FPC line 14 can be pre-processed to form a bent portion 142, that is, to form... Figure 11 The left side shows the FPC wire 14 before assembly. During assembly, one end of the FPC wire 14 passes through the FPC wire hole 13311 into the first sleeve 1331, and then a bent portion 142 is pulled out from the end of the first sleeve 1331 connected to the first rotating shaft 1311. The bent portion 142 is wrapped around the surface of the FPC wire passage 13113 of the first rotating shaft 1311, and then the first rotating shaft 1311 surrounding the FPC wire 14 is pushed into the first sleeve 1331. At the same time, both ends of the FPC wire 14 are pulled tight to make the FPC wire 14 adhere to the surface of the FPC wire passage 13113, thereby assembling the FPC wire 14 onto the rotating shaft assembly 13. After assembly, the FPC wire 14 presents... Figure 11The shape shown on the right.
[0033] The FPC cable of this invention's leather keyboard is wound around the hinge surface, thereby reducing the hinge size and making the keyboard thinner and lighter, resulting in a more aesthetically pleasing appearance. Furthermore, compared to traditional leather keyboard cable routing methods, this invention's FPC cable routing method reduces cable bending and extends the cable's lifespan.
[0034] Preferably, the bent portion 142 is U-shaped, and the cover plate 12 is provided with an FPC limiting groove 121, within which the FPC line 14 is confined. The FPC limiting groove serves to protect the FPC line.
[0035] Furthermore, the leather case 1 also includes a leather cover 15 covering the surface of the cover plate 12.
[0036] Preferably, one end of the FPC line 14 fixed to the cover plate 12 is provided with a POGO PIN connector 141 for electrical connection to electronic devices, and the leather cover 15 is provided with an opening 151 corresponding to the POGO PIN connector 141 to expose the POGO PIN connector 141.
[0037] Preferably, the cover plate 12 includes a first cover plate 122 for fixing the electronic device, a second cover plate 123 for mounting the hinge assembly 13, and a secondary shaft assembly 124 connecting the first cover plate 122 and the second cover plate 123. The second cover plate 123 includes a first fixing piece mounting portion 1231. The FPC line 14 is fixed on the first cover plate 122, and the first fixing piece 1332 is fixed inside the first fixing piece mounting portion 1231. Through the cooperation of the first cover plate, the second cover plate, and the secondary shaft assembly, the user can adjust the viewing angle of the supported electronic device, improving the user experience.
[0038] Furthermore, the FPC limiting groove 121 includes a first FPC limiting groove 1211 provided on the first cover plate 122 and a second FPC limiting groove 1212 provided on the second cover plate 123, and the FPC line 14 is limited within the first FPC limiting groove 1211 and the second FPC limiting groove 1212.
[0039] Preferably, the secondary shaft assembly 124 includes one or more hinge shafts 1241.
[0040] Preferably, the first fixing piece 1332 is provided with a third FPC limiting groove 13321 corresponding to the FPC wire hole 13311 to limit the routing of the FPC line 14.
[0041] Preferably, the rotating shaft assembly 13 further includes a third bushing 135 for concealing the first rotating shaft assembly 131. The third bushing 135 includes a third sleeve 1351 and a third fixing piece 1352 connecting the third sleeve 1351. The rotating shaft seat 1312 further includes a rotating shaft mounting seat 13121 and a rotating shaft fixing piece 13122. The first rotating shaft 1311 is mounted on the rotating shaft mounting seat 13121, and the first rotating shaft 1311 and the rotating shaft mounting seat 13121 are fitted inside the third sleeve 1351. One end of the third sleeve 1351 is provided with a slot 13511 to allow the rotating shaft fixing piece 13122 to extend out of the third sleeve 1351. The rotating shaft fixing piece 13122 is fixed on the seat plate 11, and the third fixing piece 1352 is fixed on the rotating shaft fixing piece 13122. The third bushing 135 can protect the first rotating shaft assembly 131.
[0042] Furthermore, the rotating shaft assembly 13 also includes two rotating shaft plugs 136, which are respectively fixed to the ends of the second sleeve 1341 and the third sleeve 1351 away from the first sleeve 1331 to cover both ends of the rotating shaft assembly 13.
[0043] Preferably, the leather case 1 is made of microfiber leather.
[0044] This utility model's leather keyboard case is suitable for electronic devices such as mobile phones, MIDs, and tablets.
[0045] In summary, the FPC cable of this invention's leather keyboard is wound around the hinge surface, thereby reducing the hinge size, which facilitates a thinner and lighter keyboard and makes it more aesthetically pleasing. Furthermore, compared to traditional leather keyboard cable routing methods, this invention's FPC cable routing method reduces FPC cable bending and extends its lifespan.
[0046] As described above, those skilled in the art can make various other corresponding changes and modifications based on the technical solution and concept of this utility model, and all such changes and modifications should fall within the protection scope of the claims of this utility model.
Claims
1. A leather keyboard case, characterized in that, Includes a leather case (1) and a keyboard (2) mounted on the leather case (1); the leather case (1) includes a base plate (11) for mounting the keyboard (2), a cover plate (12) for fixing the electronic device, a hinge assembly (13) for connecting the base plate (11) and the cover plate (12), and an FPC cable (14); the hinge assembly (13) includes a first hinge assembly (131), a second hinge (132), a first bushing (133), and a second bushing (134); the first hinge assembly (131) includes a first hinge (1311) and a hinge seat (134). 312), the first bushing (133) includes a first sleeve (1331) and a first fixing piece (1332) connecting the first sleeve (1331), the second bushing (134) includes a second sleeve (1341) and a second fixing piece (1342) connecting the second sleeve (1341); the first rotating shaft (1311) includes a first connecting part (13111) rotatably mounted on a rotating shaft seat (1312), a second connecting part (13112) fixedly connected to one end of the first sleeve (1331), and the first connecting part (13111) and the first fixing piece (1342) connecting the first sleeve (1331) and the second ... The FPC wire guide (13113) between the two connecting parts (13112) has the other end of the first sleeve (1331) fixedly connected to one end of the second rotating shaft (132), and the other end of the second rotating shaft (132) rotatably connected to the second sleeve (1341). The rotating shaft seat (1312) and the second fixing piece (1342) are fixed on the base plate (11), and the first fixing piece (1332) is fixed on the cover plate (12). One end of the FPC wire (14) is fixed on the cover plate (12) for electrical connection to electronic equipment, and the other end... The keyboard (2) is electrically connected; the first sleeve (1331) is provided with an FPC wire hole (13311) at one end connected to the first pivot (1311). The FPC wire (14) passes through the FPC wire hole (13311) into the first sleeve (1331), then wraps around the surface of the FPC wire passage (13113) and passes out from one end of the first sleeve (1331) with the first pivot (1311); the FPC wire (14) includes a bend (142) for wrapping around the surface of the FPC wire passage (13113) during assembly.
2. The leather keyboard as described in claim 1, characterized in that, The bent portion (142) is U-shaped, and the cover plate (12) is provided with an FPC limiting groove (121), in which the FPC line (14) is restricted.
3. The leather keyboard as described in claim 1, characterized in that, The leather case (1) also includes a leather cover (15) covering the surface of the cover plate (12).
4. The leather keyboard as described in claim 3, characterized in that, The FPC line (14) is fixed to the cover plate (12) at one end and is provided with a POGO PIN connector (141) for electrical connection to electronic devices. The leather cover (15) is provided with an opening (151) corresponding to the POGO PIN connector (141) to expose the POGO PIN connector (141).
5. The leather keyboard as described in claim 2, characterized in that, The cover plate (12) includes a first cover plate (122) for fixing electronic devices, a second cover plate (123) for mounting the pivot assembly (13), and a sub-shaft assembly (124) connecting the first cover plate (122) and the second cover plate (123). The second cover plate (123) includes a first fixing plate mounting portion (1231). The FPC line (14) is fixed on the first cover plate (122), and the first fixing plate (1332) is fixed inside the first fixing plate mounting portion (1231).
6. The leather keyboard as described in claim 5, characterized in that, The FPC limiting groove (121) includes a first FPC limiting groove (1211) provided on the first cover plate (122) and a second FPC limiting groove (1212) provided on the second cover plate (123), and the FPC line (14) is limited within the first FPC limiting groove (1211) and the second FPC limiting groove (1212).
7. The leather keyboard as described in claim 5, characterized in that, The secondary shaft assembly (124) includes one or more hinge shafts (1241).
8. The leather keyboard as described in claim 1, characterized in that, The first fixing piece (1332) is provided with a third FPC limiting groove (13321) corresponding to the FPC wire hole (13311) to limit the routing of the FPC line (14).
9. The leather keyboard as described in claim 1, characterized in that, The rotating shaft assembly (13) further includes a third bushing (135) for concealing the first rotating shaft assembly (131), the third bushing (135) including a third sleeve (1351) and a third fixing piece (1352) connecting the third sleeve (1351); the rotating shaft seat (1312) further includes a rotating shaft mounting seat (13121) and a rotating shaft fixing piece (13122); the first rotating shaft (1311) is mounted on the rotating shaft mounting seat (13121). On 21), the first rotating shaft (1311) and the rotating shaft mounting base (13121) are fitted inside the third sleeve (1351), the third sleeve (1351) is provided with a slot (13511) for the rotating shaft fixing piece (13122) to extend out of the third sleeve (1351); the rotating shaft fixing piece (13122) is fixed on the base plate (11), and the third fixing piece (1352) is fixed on the rotating shaft fixing piece (13122).
10. The leather keyboard as described in claim 9, characterized in that, The rotating shaft assembly (13) further includes two rotating shaft plugs (136), which are respectively fixed to the ends of the second sleeve (1341) and the third sleeve (1351) away from the first sleeve (1331) to cover both ends of the rotating shaft assembly (13).