A keyboard device
The keyboard device, with its magnetic adsorption and multi-segment charging pin design, solves the problem of unstable charging head connection, achieving stable connection, reduced cost, and improved ease of use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-12
- Publication Date
- 2026-07-03
AI Technical Summary
The existing keyboard device's charging head and protection device have an unstable connection that is prone to detachment, and the manufacturing cost is relatively high.
The charging head features a magnetic adsorption design, combined with a multi-segment structure of the keyboard charging pins, including a first charging pin segment, a second charging pin segment, and a third charging pin segment. The charging head is magnetically attached to the flip cover and plugs in through the connector on the flip cover to ensure a stable connection.
The connection stability between the charging head and the protection device has been improved, preventing detachment, reducing manufacturing costs, and enhancing ease of use and operation.
Smart Images

Figure CN224458838U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a keyboard device. Background Technology
[0002] With the development of technology, keyboard devices have emerged on the market. Existing keyboard devices include a keyboard body and a protective device; the protective device is connected to the keyboard, and during use, the tablet computer can be fixed to the protective device. To facilitate charging, some keyboard devices are equipped with a charging head and a locking socket on the protective socket to lock the charging head in place. However, the manufacturing process of this locking socket is relatively complicated and costly, resulting in a higher overall cost for the keyboard device.
[0003] To reduce costs, some keyboard devices have a snap-fit structure on the protective device to hold the charging head in place. However, during use or when carrying the device, the charging head may easily fall off the protective device, causing inconvenience to the user. Utility Model Content
[0004] In order to overcome the shortcomings of the prior art, the purpose of this utility model is to provide a keyboard device that can reduce costs and ensure the stability of the connection between the charging head and the protection device, and prevent the charging head from falling off.
[0005] The objective of this utility model is achieved through the following technical solution:
[0006] A keyboard device includes a keyboard body, a protective device, and a charging head. The protective device is connected to the keyboard body and is used to fix a tablet computer to it. The protective device includes a flip cover that can be flipped relative to the keyboard body. The charging head is magnetically attached to the flip cover and includes a keyboard charging pin, a tablet computer charging connection terminal, and a power connection terminal. The power connection terminal is used to connect to an external power source. The tablet computer charging connection terminal is electrically connected to the power connection terminal and is used to electrically connect to the tablet computer, allowing the power from the external power source to flow through it. The power can be transmitted to the tablet computer via the power connection terminal and the tablet computer charging connection terminal; the keyboard charging pin includes a first charging pin segment, a second charging pin segment, and a third charging pin segment; the first charging pin segment and the second charging pin segment are arranged opposite to each other, and the third charging pin segment is arranged between the first charging pin segment and the second charging pin segment; the flip cover is provided with a connector for the second charging pin segment to be inserted; the keyboard charging pin is used to electrically connect to the keyboard, and the keyboard charging pin is electrically connected to the power connection terminal, so that the power supply can transmit electrical energy to the keyboard via the power connection terminal and the keyboard charging pin.
[0007] The first charging pin segment is electrically connected to the power connection terminal; the length of the second charging pin segment is greater than the length of the first charging pin segment.
[0008] The back of the flip cover has a recessed area, and the charging head is magnetically attached to the recessed area.
[0009] The recessed area and the insertion interface are located on the same side of the flip cover.
[0010] The flip cover includes a first cover portion and a second cover portion; the second cover portion is rotatably disposed on the first cover portion relative to the first cover portion, and the recessed area is disposed on the second cover portion.
[0011] The second cover portion of the protective device is used to secure the tablet computer to it.
[0012] The keyboard device also includes a cable for data transmission between the keyboard body and the tablet computer.
[0013] The cable is also used to enable power exchange between the keyboard and the tablet computer.
[0014] The keyboard is provided with a support part, and the flip cover is provided with a pivot part. The pivot part pivotally engages with the support part, and a positioning structure is provided between the pivot part and the support part.
[0015] Both the first and second charging pin segments are horizontally positioned.
[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0017] This utility model provides a keyboard device that, based on a charging head comprising a keyboard charging plug, a tablet charging connector, and a power connector, combines a first charging plug segment, a second charging plug segment, and a third charging plug segment. This allows the keyboard charging plug to be inserted into the flip cover's connector, and the charging head is magnetically attached to the flip cover. This ensures the stability of the connection between the charging head and the protection device, prevents the charging head from falling off, and reduces costs. It can charge the tablet and keyboard separately, improving ease of use. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the keyboard device of this utility model;
[0019] Figure 2 This is a schematic diagram of the keyboard device of this utility model from another direction;
[0020] Figure 3 This is a cross-sectional view of the keyboard device of this utility model;
[0021] Figure 4 for Figure 3 Enlarged view of point A;
[0022] Figure 5 This is an exploded view of the keyboard device of this utility model;
[0023] Figure 6 This is a schematic diagram of the keyboard device of this utility model from another direction;
[0024] Figure 7 This is a schematic diagram of the keyboard device of this utility model from another direction;
[0025] Among them, 10 is the keyboard body; 20 is the protective device; 30 is the charging head; 31 is the keyboard charging pin; 32 is the first charging pin segment; 33 is the second charging pin segment; 34 is the third charging pin segment; 35 is the tablet charging connection end; 36 is the power connection end; 40 is the flip cover; 41 is the interface; 42 is the recessed area; 43 is the first cover part; 44 is the second cover part; 50 is the cable; 70 is the support part; and 71 is the pivot part. Detailed Implementation
[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0027] like Figure 1-7As shown, a keyboard device includes a keyboard body 10, a protective device 20, and a charging head 30. The protective device 20 is connected to the keyboard body 10 and is used to fix a tablet computer to it. The protective device 20 includes a flip cover 40 that can be flipped relative to the keyboard body 10. The charging head 30 is magnetically attached to the flip cover 40 and includes a keyboard charging pin 31, a tablet computer charging connection terminal 35, and a power connection terminal 36. The power connection terminal 36 is used to connect to an external power supply. The tablet computer charging connection terminal 35 is electrically connected to the power connection terminal 36 and is used to electrically connect the tablet computer, so that the electrical energy from the power supply can be transmitted through the power supply. The power supply connection 36 and the tablet charging connection 35 transmit power to the tablet computer; the keyboard charging pin 31 includes a first charging pin segment 32, a second charging pin segment 33 and a third charging pin segment 34; the first charging pin segment 32 and the second charging pin segment 33 are arranged opposite to each other, and the third charging pin segment 34 is arranged between the first charging pin segment 32 and the second charging pin segment 33; the flip cover 40 is provided with a plug interface 41 for the second charging pin segment 33 to be inserted; the keyboard charging pin 31 is used to electrically connect to the keyboard body 10, and the keyboard charging pin 31 is electrically connected to the power supply connection 36, so that the power of the power supply can be transmitted to the keyboard body 10 through the power supply connection 36 and the keyboard charging pin 31.
[0028] In use, the power connector 36 can be connected to an external power source, allowing electrical energy to be transferred to the keyboard body 10 via the power connector 36 and the keyboard charging pin 31 to charge the keyboard body 10. When charging the tablet computer, the keyboard charging pin 31 can be removed from the connector 41, separating the charging head 30 from the protection device 20. Then, the tablet computer charging connector 35 can be electrically connected to the tablet computer, and the power connector 36 can be connected to an external power source, allowing electrical energy to be transferred to the tablet computer via the power connector 36 and the tablet computer charging connector 35 to charge the tablet computer. After charging the tablet computer is complete, the power connector 36 and the tablet computer charging connector 35 can be separated from the power source. The second charging pin 33 of the keyboard charging pin 31 can then be inserted into the connector 41. Once the second charging pin 33 is in place, the charging head 30 magnetically attaches to the flip cover 40, improving the stability of the connection between the charging head 30 and the protection device 20 and preventing the charging head 30 from falling off. Therefore, the keyboard device provided by this utility model, based on the charging head 30 using keyboard charging pins 31, tablet charging connection end 35, and power connection end 36, optimizes the structure of the keyboard charging pins 31 by combining the first charging pin segment 32, the second charging pin segment 33, and the third charging pin segment 34. This allows the keyboard charging pins 31 to be plugged into the interface 41 of the flip cover 40, preventing the charging head 30 from shifting due to vibration during carrying. While magnetically attaching the charging head 30 to the flip cover 40, it ensures the stability of the charging head 30 connection, preventing it from falling off. Furthermore, the structure is simple, easy to manufacture, and simplifies processing steps. Therefore, compared with existing keyboard devices using locking sockets, it can reduce costs. Moreover, it facilitates connection operations and can charge the tablet and keyboard body 10 separately, improving ease of use.
[0029] The first charging pin segment 32 is electrically connected to the power connection terminal 36; the length of the second charging pin segment 33 is greater than the length of the first charging pin segment 32.
[0030] The keyboard device also includes a cable 50; the cable 50 is used for data transmission between the keyboard body 10 and the tablet computer. More preferably, the cable 50 is used to enable power exchange between the keyboard body 10 and the tablet computer. By employing the cable 50, data can be transmitted between the keyboard body 10 and the tablet computer, and power exchange can be enabled between them, transferring electrical energy so that the tablet computer can directly power the keyboard body 10, thus meeting more diverse usage needs and providing greater convenience.
[0031] The cable 50 can be any type of cable available on the market, as long as it can transmit data and power between the keyboard body 10 and the tablet computer.
[0032] The flip cover 40 is provided with a through-slot, through which the cable 50 passes and is electrically connected to the keyboard body 10 to facilitate the installation of the cable 50. Of course, in addition to this, the installation method and position of the cable 50 can also be set according to actual needs.
[0033] As a further preferred embodiment of this utility model, a recessed area 42 is provided on the back of the flip cover 40, and the charging head 30 is magnetically attached to the recessed area 42. Specifically, the recessed area 42 and the insertion interface 41 are located on the same side of the flip cover 40.
[0034] To enable the charging head 30 and the flip cover 40 to magnetically attach to each other, a first magnetic attachment element can be provided on the charging head 30, and a second magnetic attachment element can be provided on the flip cover 40. The first magnetic attachment element and the second magnetic attachment element are magnetically attached. One of the first magnetic attachment element and the second magnetic attachment element is a magnet, and the other is an iron part, or both are magnets, etc., as long as magnetic attachment can be achieved.
[0035] The flip cover 40 includes a first cover portion 43 and a second cover portion 44; the second cover portion 44 is rotatably disposed on the first cover portion 43 relative to the first cover portion 43, and the recessed area 42 is disposed on the second cover portion 44. The second cover portion 44 of the protective device 20 is used to fix the tablet computer thereon. In use, the second cover portion 44 can also be rotated to different angles relative to the first cover portion 43, thereby facilitating the user to adjust the viewing angle of the tablet computer according to usage needs and improving usage flexibility.
[0036] The second cover portion 44 can be mounted on the first cover portion 43 via a rotating structure, so that the second cover portion 44 can be rotatably mounted on the first cover portion 43 relative to the first cover portion 43. In addition, the flip cover 40 can be made of a material that can be bent and shaped at will, so that the second cover portion 44 can be bent relative to the first cover portion 43 by external force, which can also realize that the second cover portion 44 can be rotatably mounted on the first cover portion 43 relative to the first cover portion 43. Of course, in addition to the above methods, various existing mounting methods can also be used as long as they can realize that the second cover portion 44 can be rotatably mounted on the first cover portion 43 relative to the first cover portion 43.
[0037] The keyboard body 10 is provided with a support portion 70, and the flip cover 40 is provided with a pivot portion 71. The pivot portion 71 pivotally engages with the support portion 70, and a positioning structure is provided between the pivot portion 71 and the support portion 70. During use, the flip cover 40 can pivot relative to the keyboard body 10 to a predetermined angle, and the positioning structure can position the pivot portion 71 relative to the support portion 70, so that the flip cover 40 can be maintained at the predetermined angle. By employing the above structure, the flip cover 40 can be flipped relative to the keyboard body 10.
[0038] In this embodiment, the support part 70 includes a support cylinder, and the pivot part 71 includes a pivot cylinder. Of course, the structure of the support part 70 and the pivot part 71 can be set according to actual needs.
[0039] The positioning structure can be any existing positioning structure, such as an elastic positioning device, as long as the pivot part 71 can be positioned relative to the support part 70 through the positioning structure.
[0040] Both the tablet computer charging connector 35 and the power connector 36 are equipped with charging interfaces.
[0041] Both the first charging pin segment 32 and the second charging pin segment 33 are horizontally arranged. The third charging pin segment 34 has a first rounded corner at the connection end with the first charging pin segment 32 and a second rounded corner at the connection end with the second charging pin segment 33. The length of the third charging pin segment 34 is shorter than the lengths of the first charging pin segment 32 and the second charging pin segment 33 to reduce material usage. When the charging head 30 is magnetically attached to the flip cover 40, the structure can be more compact, reducing the overall volume and space occupied.
[0042] The protective device 20 includes a base, the keyboard body 10 is fixed on the base, and the flip cover 40 is flip-mounted on the base for ease of manufacture.
[0043] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.
Claims
1. A keyboard device, characterized by: The device includes a keyboard body, a protective device, and a charging head. The protective device is connected to the keyboard body and is used to fix a tablet computer to it. The protective device includes a flip cover that can be flipped relative to the keyboard body. The charging head is used to magnetically attach to the flip cover and includes keyboard charging pins, a tablet computer charging connection terminal, and a power connection terminal. The power connection terminal is used to connect to an external power source. The tablet computer charging connection terminal is electrically connected to the power connection terminal and is used to electrically connect to the tablet computer, so that electrical energy from the power source can be transferred to the tablet computer through the power connection terminal and the tablet computer charging connection terminal. The keyboard charging pins include a first charging pin segment, a second charging pin segment, and a third charging pin segment. The first charging pin segment and the second charging pin segment are arranged opposite to each other, and the third charging pin segment is arranged between the first charging pin segment and the second charging pin segment; the flip cover is provided with a connector for the second charging pin segment to be inserted. The keyboard charging pin is used to electrically connect to the keyboard. The keyboard charging pin is electrically connected to the power supply terminal, so that the power supply can transmit electrical energy to the keyboard through the power supply terminal and the keyboard charging pin.
2. The keyboard device of claim 1, wherein: The first charging pin segment is electrically connected to the power connection terminal; the length of the second charging pin segment is greater than the length of the first charging pin segment.
3. The keyboard device of claim 1, wherein: The back of the flip cover has a recessed area, and the charging head is magnetically attached to the recessed area.
4. The keyboard device of claim 3, wherein: The recessed area and the insertion interface are located on the same side of the flip cover.
5. The keyboard device of claim 4, wherein: The flip cover includes a first cover portion and a second cover portion; the second cover portion is rotatably disposed on the first cover portion relative to the first cover portion, and the recessed area is disposed on the second cover portion.
6. The keyboard device of claim 5, wherein: The second cover portion of the protective device is used to secure the tablet computer to it.
7. The keyboard device of claim 1, wherein: The keyboard device also includes a cable for data transmission between the keyboard body and the tablet computer.
8. The keyboard device of claim 7, wherein: The cable is also used to enable power exchange between the keyboard and the tablet computer.
9. The keyboard device of claim 1, wherein: The keyboard is provided with a support part, and the flip cover is provided with a pivot part. The pivot part pivotally engages with the support part, and a positioning structure is provided between the pivot part and the support part.
10. The keyboard apparatus of claim 1, wherein: Both the first and second charging pin segments are horizontally positioned.