Multifunctional foldable keyboard
The design of the multi-functional foldable keyboard utilizes a hinge structure and stop positioning components to achieve the folding and unfolding of the numeric keypad. Combined with a protective bottom cover and a flexible circuit board, it solves the problem of the keyboard's inability to self-adjust, thus achieving multi-functionality and portability.
Patent Information
- Application Number
- CN202423279911.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing keyboards cannot adapt to different usage needs and are too large to be portable or easy to use.
A multifunctional foldable keyboard was designed, which enables the numeric keypad to be flipped and folded 180 degrees through a hinge structure and a stop positioning component. Combined with a foldable protective bottom cover and a flexible circuit board, it supports multiple usage modes and size adjustments.
It achieves adaptive keyboard adjustment for different usage needs, reduces size for easy portability, and supports handwriting input to meet various office needs.
Smart Images
Figure CN223842396U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a laptop keyboard, and more particularly to a multi-functional foldable keyboard. Background Technology
[0002] There are many types of keyboards, each suitable for different occasions. For example, there are standard full-size keyboards with numeric keypads and small keyboards without numeric keypads. They are suitable for different office and gaming needs. For office work where a lot of numbers need to be entered, using a numeric keypad is more convenient. For gamers and users who don't need much number input at work, a small keyboard without numeric keypad can be used. This type of keyboard is short and saves space. Sometimes, when keyboard input is inconvenient, many users need to connect a handwriting input device to their computer. This requires purchasing multiple keyboards to suit different work and gaming needs. In addition, standard keyboards are relatively large and inconvenient to carry around. Utility Model Content
[0003] To overcome the above shortcomings, this utility model provides a multi-functional foldable keyboard. This multi-functional foldable keyboard can be folded and unfolded according to different usage needs, and can also be made into a very small size, making it convenient to carry when going out.
[0004] The technical solution adopted by this utility model to solve its technical problem is: a multifunctional foldable keyboard, including a main keyboard, a numeric keypad, a first stop positioning member, and a keyboard protective bottom cover. Based on the actual use direction of the keyboard, the numeric keypad is installed on the right end of the main keyboard through a first hinge structure. The numeric keypad can be rotated 180 degrees toward the back of the main keyboard, thereby forming a folded state with the main keyboard. The first stop positioning member can keep the numeric keypad in a stop positioning position with the main keyboard in both the unfolded and folded states. The keyboard protective bottom cover can cover the back of the main keyboard, and a space is formed between the keyboard protective bottom cover and the back of the main keyboard to accommodate the numeric keypad.
[0005] As a further improvement of this utility model, the front side wall of the keyboard protective cover is rotatably mounted on the front side wall of the main keyboard around the second hinge structure, and the rear side wall of the keyboard protective cover is fastened and positioned to the rear side wall of the main keyboard through a snap-fit structure.
[0006] As a further improvement of this utility model, the main keyboard includes a left keyboard, a right keyboard, and a second stop. The left keyboard and the right keyboard are connected by a third hinge structure. The left keyboard can rotate 180 degrees to cover the front of the right keyboard, thereby realizing the folding of the left and right keyboards. The second stop can keep the left keyboard in the unfolded and folded states and stop its positioning with the right keyboard.
[0007] As a further improvement of this utility model, the keyboard protective bottom cover includes a main protective cover, a left protective cover, and a right protective cover. The main protective cover matches the size of the right keyboard and covers the back of the right keyboard. The left and right protective covers match the sizes of the left keyboard and the numeric keypad, respectively, and can cover the back of the left keyboard and the numeric keypad, respectively. Both the left and right protective covers can be pulled out and inserted into the main protective cover in the left-right direction. By pulling out the left and right protective covers, the keyboard protective bottom cover can match the back of the keyboard in different folded states. The left and right protective covers can also be fastened and fixedly positioned with the main protective cover in the pulled-out unfolded state and the pushed-in folded state through a buckle structure.
[0008] As a further improvement of this utility model, the left end of the left protective cover forms a lower left convex support edge, and the right end of the right protective cover forms a lower right convex support edge. The lower sides of the lower left and lower right convex support edges are flush with the lower side of the main protective cover. When the left and right protective covers are pushed into the main protective cover and folded, the lower left and lower right convex support edges stop on the left and right end faces of the main protective cover respectively to support the keyboard.
[0009] As a further improvement of this utility model, both the first hinge structure and the third hinge structure include a shielding plate, a left connecting plate, and a right connecting plate. The shielding plate, left connecting plate, and right connecting plate are all U-shaped structures. The bottom surfaces of the left and right connecting plates are rotatably mounted on the left and right sides of the bottom surface of the shielding plate, respectively. Hinge shafts are provided on the two side walls of the U-shaped structure of the shielding plate. A first hinge hole is provided on the right side wall of the right keyboard, a second hinge hole is provided on the left side wall of the right keyboard, a third hinge hole is provided on the left side wall of the numeric keypad, and a fourth hinge hole is provided on the right side wall of the left keyboard. The hinge shaft of the first hinge structure passes through the first and third hinge holes to achieve right... The side keyboard and numeric keypad are hinged together. The hinge shaft of the third hinge structure passes through the second and fourth hinge holes to achieve the hinged connection between the right and left keyboards. The left and right connecting pieces of the first hinge structure can slide left and right a set distance to connect with the side wall of the right keyboard and the side wall of the numeric keypad, respectively. The left and right connecting pieces of the third hinge structure can slide left and right a set distance to connect with the side wall of the left keyboard and the side wall of the right keyboard, respectively. The shielding piece of the first hinge structure can shield the end edge formed by the folding of the right keyboard and the numeric keypad, and the shielding piece of the third hinge structure can shield the end edge formed by the folding of the right keyboard and the left keyboard.
[0010] As a further improvement of this utility model, guide protrusions are provided on the two side walls of the U-shaped structure of the left connecting piece and the right connecting piece, and sliding grooves extending in the left and right directions are provided on the side walls of the left and right ends of the right keyboard, the right side wall of the left keyboard, and the left side wall of the numeric keypad. The guide protrusions can be inserted into the sliding grooves one by one, and the guide protrusions can slide left and right in the sliding grooves as the keyboard folds.
[0011] As a further improvement of this utility model, the left connecting piece and the bottom surface of the shielding piece, as well as the right connecting piece and the bottom surface of the shielding piece, are all connected by a fixed-angle damping hinge. The damping force of the fixed-angle damping hinge can keep the left keyboard and the right keyboard, as well as the right keyboard and the numeric keypad, in an unfolded or folded state.
[0012] As a further improvement of this utility model, the inner circuit boards of the left keyboard, right keyboard and numeric keypad are the same foldable flexible circuit board.
[0013] The beneficial technical effects of this utility model are as follows: This utility model can realize a multi-digit input office mode by unfolding the numeric keypad, and can also fold the numeric keypad to the back of the main keyboard for hiding, realizing a few-digit input or game mode. The left keyboard can also be folded upward, making the keyboard size smaller and more convenient to carry when going out. At the same time, a handwriting pad is designed on the back of the left keyboard. After folding the left and right keyboards, a small handwriting keyboard can be formed, which is convenient for handwriting input. This utility model realizes that one keyboard can meet multiple office needs and is also convenient to carry when going out. Attached Figure Description
[0014] Figure 1 This is a diagram showing the complete unfolded state of this utility model;
[0015] Figure 2 This is a diagram showing the folded state of the numeric keypad of this utility model;
[0016] Figure 3 This is a diagram showing the left-side keyboard and numeric keypad of this utility model in a folded state.
[0017] Figure 4 This is a perspective view of the first hinge structure and the third hinge structure of this utility model;
[0018] Figure 5 This is an exploded view of the keyboard of this utility model. Detailed Implementation
[0019] Example: A multifunctional foldable keyboard includes a main keyboard 1, a numeric keypad 2, a first stop positioning member, and a keyboard protective bottom cover 3. Based on the actual usage direction of the keyboard, the numeric keypad 2 is installed on the right end of the main keyboard 1 through a first hinge structure 4. The numeric keypad 2 can be rotated 180 degrees toward the back of the main keyboard 1, thus forming a folded state with the main keyboard 1. The first stop positioning member can keep the numeric keypad 2 in a stop positioning with the main keyboard 1 in both the unfolded and folded states. The keyboard protective bottom cover 3 can cover the back of the main keyboard 1, and a space is formed between the keyboard protective bottom cover 3 and the back of the main keyboard 1 to accommodate the numeric keypad 2.
[0020] By folding the numeric keypad 2, a small keyboard without numeric keypad 2 can be formed for use in games or when numbers do not need to be entered frequently. By unfolding the numeric keypad 2, a standard large keyboard can be formed for office use where numbers need to be entered frequently. When the numeric keypad 2 is folded, it is covered, hidden and protected by the keyboard protective cover 3, so that the keys on it will not be touched.
[0021] The front sidewall of the keyboard protective cover 3 is rotatably mounted on the front sidewall of the main keyboard 1 via a second hinge structure, and the rear sidewall of the keyboard protective cover 3 is locked in place with the rear sidewall of the main keyboard 1 via a snap-fit structure. The keyboard protective cover 3 can be flipped open for easy folding and storage of the numeric keypad 2.
[0022] The main keyboard 1 includes a left keyboard 11, a right keyboard 12, and a second stop. The left keyboard 11 and the right keyboard 12 are connected by a third hinge structure 13. The left keyboard 11 can rotate 180 degrees to cover the front of the right keyboard 12, thus achieving folding of the left keyboard 11 and the right keyboard 12. The second stop can keep the left keyboard 11 in the unfolded and folded states, and stop its positioning relative to the right keyboard 12. Folding the main keyboard 1 can further fold the keyboard into an ultra-small size, making it convenient to carry when going out.
[0023] The back of the left keyboard 11 is a handwriting input panel 6. When the left keyboard 11 and the right keyboard 12 are folded down, the handwriting input panel can be exposed for convenient handwriting input.
[0024] The keyboard protective cover 3 includes a main protective cover 31, a left protective cover 32, and a right protective cover 33. The main protective cover 31 is sized to match the right keyboard 12 and covers the back of the right keyboard. The left and right protective covers 32 and 33 are sized to match the left keyboard 11 and numeric keypad 2, respectively, and can cover the back of the left keyboard 11 and numeric keypad 2. Both the left and right protective covers 32 and 33 can be pulled out and inserted into the main protective cover 31 in the left-right direction. By pulling out the left and right protective covers 32 and 33, the keyboard protective cover 3 can match the back of the keyboard in different folded states. The left and right protective covers 32 and 33 can also be locked and fixed to the main protective cover 31 in the unfolded state and the folded state by a snap-fit structure. The keyboard protective cover 3 adopts a pull-out folding structure, which can be used in fully unfolded, partially folded, and fully folded states to support the bottom of the keyboard and hide and hold the numeric keypad 2.
[0025] The left protective cover 32 has a downward-protruding support edge on its left end, and the right protective cover 33 has a downward-protruding support edge on its right end. The lower surfaces of the downward-protruding support edges are flush with the lower surface of the main protective cover 31. When the left and right protective covers 32 and 33 are pushed into the main protective cover 31 and folded, the downward-protruding support edges stop on the left and right end faces of the main protective cover 31, respectively, to support the keyboard. The downward-protruding support edges ensure that the lower ends of the left and right protective covers 32 and 33 remain on the same plane during the pulling process, ensuring stable support for the keyboard during use.
[0026] Both the first hinge structure 4 and the third hinge structure 13 include a shielding plate 41, a left connecting plate 42, and a right connecting plate 43. The shielding plate 41, left connecting plate 42, and right connecting plate 43 are all U-shaped structures. The bottom surfaces of the left connecting plate 42 and right connecting plate 43 are rotatably mounted on the left and right sides of the bottom surface of the shielding plate 41. Hinge shafts 44 are provided on the two side walls of the U-shaped structure of the shielding plate 41. A first hinge hole 121 is provided on the right side wall of the right keyboard 12, a second hinge hole 122 is provided on the left side wall of the right keyboard 12, a third hinge hole 21 is provided on the left side wall of the numeric keypad 2, and a fourth hinge hole 111 is provided on the right side wall of the left keyboard 11. The hinge shaft 44 of the first hinge structure 4 passes through the first hinge hole 121 and the third hinge hole 21 to realize the connection between the right keyboard 12 and the numeric keypad 2. The third hinge structure 13 is hinged to the numeric keypad 2. The hinge shaft 44 of the third hinge structure 13 passes through the second hinge hole 122 and the fourth hinge hole 111, enabling the right keyboard 12 to be hinged to the left keyboard 11. The left connecting piece 42 and the right connecting piece 43 of the first hinge structure 4 can slide left and right a set distance to connect with the side wall of the right keyboard 12 and the side wall of the numeric keypad 2, respectively. The left connecting piece 42 and the right connecting piece 43 of the third hinge structure 13 can slide left and right a set distance to connect with the side wall of the left keyboard 11 and the side wall of the right keyboard 11, respectively. The shielding piece 41 of the first hinge structure 4 can shield the end edge formed by the folding of the right keyboard 12 and the numeric keypad 2. The shielding piece 41 of the third hinge structure 13 can shield the end edge formed by the folding of the right keyboard 12 and the left keyboard 11. When the keyboard is folded, the shielding piece 41 in the middle of this hinge structure can shield the side edge formed by the folding of the keyboard, protecting the internal structure of the keyboard and providing waterproofing and dustproofing.
[0027] The left connecting piece 42 and the right connecting piece 43 are provided with guide protrusions 45 on both sides of the U-shaped structure. The left and right sides of the right keyboard 12, the right side of the left keyboard 11, and the left side of the numeric keypad 2 are provided with sliding grooves 46 extending in the left and right directions. The guide protrusions 45 can be inserted into the sliding grooves 46 one by one. The guide protrusions 45 can slide left and right in the sliding grooves 46 as the keyboard folds.
[0028] The left connecting piece 42 and the bottom surface of the shielding piece 41, as well as the right connecting piece 43 and the bottom surface of the shielding piece 41, are all hinged together by a fixed-angle damping hinge 47. The damping force of the fixed-angle damping hinge 47 can keep the left keyboard 11 and the right keyboard 12, as well as the right keyboard 12 and the numeric keypad 2, in either an unfolded or folded state. The fixed-angle damping hinge 47 is used to achieve a fixed angle when the keyboard is folded, and to maintain the folded and unfolded states.
[0029] The inner circuit boards of the left keyboard 11, right keyboard 12, and numeric keypad 2 are the same foldable flexible circuit board 7. The flexible circuit board 7 folds synchronously when folded without being affected. Alternatively, the left keyboard 11, right keyboard 12, and numeric keypad 2 can be connected by separate circuit boards.
Claims
1. A multi-functional foldable keyboard, characterized in that: Includes a main keyboard (1), a numeric keypad (2), a first stop positioning member, and a keyboard protective bottom cover (3). Based on the actual usage direction of the keyboard, the numeric keypad is installed on the right end of the main keyboard through a first hinge structure (4). The numeric keypad can be rotated 180 degrees toward the back of the main keyboard, thus forming a folded state with the main keyboard. The first stop positioning member can keep the numeric keypad in a stop positioning position with the main keyboard in both the unfolded and folded states. The keyboard protective bottom cover can cover the back of the main keyboard, and a space is formed between the keyboard protective bottom cover and the back of the main keyboard that can accommodate the numeric keypad.
2. The multi-functional foldable keyboard according to claim 1, characterized in that: The front sidewall of the keyboard protective bottom cover is rotatably mounted on the front sidewall of the main keyboard, and the rear sidewall of the keyboard protective bottom cover is fastened to the rear sidewall of the main keyboard via a snap-fit structure for positioning.
3. The multi-functional foldable keyboard according to claim 1, characterized in that: The main keyboard includes a left keyboard (11), a right keyboard (12), and a second stop. The left keyboard and the right keyboard are connected by a third hinge structure (13). The left keyboard can rotate 180 degrees to cover the front of the right keyboard, thereby realizing the folding of the left keyboard and the right keyboard. The second stop can keep the left keyboard in the unfolded and folded states and stop its position relative to the right keyboard.
4. The multi-functional foldable keyboard according to claim 3, characterized in that: The back of the left keyboard is a handwriting pad (6).
5. The multi-functional foldable keyboard according to claim 3, characterized in that: The keyboard protective bottom cover includes a main protective cover (31), a left protective cover (32), and a right protective cover (33). The main protective cover matches the size of the right keyboard and covers the back of the right keyboard. The left and right protective covers match the sizes of the left keyboard and numeric keypad, respectively. The left and right protective covers can cover the back of the left keyboard and numeric keypad, respectively. The left and right protective covers can be pulled out and inserted into the main protective cover in the left and right directions. By pulling out the left and right protective covers, the keyboard protective bottom cover can match the back of the keyboard in different folded states. The left and right protective covers can also be fastened and fixed to the main protective cover in the pulled-out unfolded state and the pushed-in folded state through a buckle structure.
6. The multifunctional foldable keyboard according to claim 5, characterized in that: a left-lower convex support edge is formed at the left end of the left protective cover, and a right-lower convex support edge is formed at the right end of the right protective cover; the lower surfaces of the left-lower convex support edge and the right-lower convex support edge are flush with the lower surface of the main protective cover; when the left and right protective covers are pushed into the main protective cover for folding, the left-lower convex support edge and the right-lower convex support edge respectively stop on the left and right end surfaces of the main protective cover to support the keyboard.
7. The multifunctional foldable keyboard according to claim 3, characterized in that: both the first hinge structure and the third hinge structure include a shielding piece (41), a left connecting piece (42), and a right connecting piece (43), the shielding piece, the left connecting piece, and the right connecting piece are all U-shaped structures, the bottom surfaces of the left connecting piece and the right connecting piece are rotatably mounted on the left and right sides of the bottom surface of the shielding piece, hinge shafts (44) are provided on the two side walls of the U-shaped structure of the shielding piece, a first hinge hole (121) is provided on the right side wall of the right keyboard, a second hinge hole (122) is provided on the left side wall of the right keyboard, a third hinge hole (21) is provided on the left side wall of the numeric keypad, and a fourth hinge hole (111) is provided on the right side wall of the left keyboard. The hinge shaft of the first hinge structure passes through the first hinge hole and the third hinge hole to connect the right keyboard and the numeric keypad. The hinge shaft of the third hinge structure passes through the second hinge hole and the fourth hinge hole to connect the right keyboard and the left keyboard. The left and right connecting pieces of the first hinge structure can slide left and right a set distance to connect with the side wall of the right keyboard and the side wall of the numeric keypad, respectively. The left and right connecting pieces of the third hinge structure can slide left and right a set distance to connect with the side wall of the left keyboard and the side wall of the right keyboard, respectively. The shielding piece of the first hinge structure can shield the end edge formed by the folding of the right keyboard and the numeric keypad. The shielding piece of the third hinge structure can shield the end edge formed by the folding of the right keyboard and the left keyboard.
8. The multifunctional foldable keyboard according to claim 7, characterized in that: the left connecting piece and the right connecting piece are respectively provided with guide protrusions (45) on both sides of the U-shaped structure, and the left and right sides of the right keyboard, the right side of the left keyboard and the left side of the numeric keypad are respectively provided with sliding grooves (46) extending in the left and right directions, the guide protrusions can be inserted into the sliding grooves one by one, and the guide protrusions can slide left and right in the sliding grooves as the keyboard folds.
9. The multifunctional foldable keyboard according to claim 7, characterized in that: the bottom surface of the left connecting piece and the bottom surface of the shielding piece and the bottom surface of the right connecting piece and the shielding piece are all connected by a fixed angle damping hinge (47), and the damping force of the fixed angle damping hinge can keep the left keyboard and the right keyboard and the right keyboard and the numeric keypad in an unfolded state or a folded state.
10. The multi-functional foldable keyboard according to claim 3, characterized in that: The inner circuit boards of the left keyboard, right keyboard and numeric keypad are the same foldable flexible circuit board (7).