360-degree tablet computer keyboard protective sleeve with AI intelligent voice input
By introducing a dual-axis hinge assembly and an AI voice input module into the tablet keyboard cover, the problems of fixed keyboard angle and limited input methods on tablets have been solved, enabling a diverse user experience with 360° rotation and voice input.
Patent Information
- Application Number
- CN202422193198.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-09-06
AI Technical Summary
Existing tablet keyboards have limited support angles, cannot achieve unlimited rotation, and have a single input method, failing to meet the diverse usage needs of users.
A 360-degree tablet keyboard cover with AI intelligent voice input function was designed. It adopts a dual-axis swivel assembly to realize 360° rotation of the keyboard and the cover, and integrates an AI voice recognition module and a voice acquisition module to realize voice input.
It enables limitless angle control of the tablet, enhancing its flexibility of use, and provides voice input functionality, suitable for users who type slowly or experience hand fatigue from prolonged typing.
Smart Images

Figure CN223712139U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of electronic product accessories, specifically to a 360 degree tablet computer keyboard protective sleeve with AI intelligent voice input. BACKGROUND
[0002] In modern society, tablet computers are loved by many users because of their functions of computers and mobile phones. With the emergence of keyboards for tablet computers, some office documents can be handled through tablet computers in emergency. The keyboard for the tablet computer is generally provided on the protective sleeve, and the keyboard protective sleeve and the tablet computer are generally used together.
[0003] The current tablet computer keyboard generally has angle limitation, and cannot realize free and unlimited rotation angle like a notebook computer. In the use process, the tablet angle support angle is single, and the experience in the use process is not good. Secondly, the keyboard can only use manual key input. For many people who cannot type or type slowly, manual input will waste a lot of time, and cannot meet the increasing use demand of users. INVENTION CONTENTS
[0004] In order to overcome the defects of the prior art, the utility model aims at providing a 360 degree tablet computer keyboard protective sleeve with AI intelligent voice input.
[0005] The technical scheme adopted by the utility model is as follows: a 360 degree tablet computer keyboard protective sleeve with AI intelligent voice input, which comprises a keyboard, a double-shaft rotating shaft assembly and a protective sleeve for installing a tablet computer, the keyboard and the protective sleeve are rotationally connected through the double-shaft rotating shaft assembly, the protective sleeve can rotate 360 degrees up and down relative to the keyboard through the double-shaft rotating shaft assembly, the keyboard internally contains a PCBA mainboard, the PCBA mainboard is integrated with an AI voice recognition module and a voice collection module, and is used for realizing voice input operation.
[0006] In a preferred embodiment, the voice collection module is a microphone, and a sound transmission hole is formed in the side surface of the keyboard corresponding to the sound inlet side of the microphone.
[0007] In a preferred embodiment, the AI voice recognition module is a voice recognition AI chip, the keyboard is in communication connection with the tablet computer, and the voice recognition AI chip converts voice instructions into identifiable data and sends them to the PCBA mainboard.
[0008] In a preferred embodiment, the double-shaft rotating shaft assembly comprises an outer shell, a first damping rotating shaft and a second damping rotating shaft arranged oppositely, and tail ends of the first damping rotating shaft and the second damping rotating shaft are rotatably installed in the outer shell.
[0009] In a preferred embodiment, the protective sleeve and the keyboard are respectively provided with shaft holes for the first and second damping shafts to extend into, and the first and second damping shafts are respectively locked by first and second connecting plates.
[0010] In a preferred embodiment, the first and second damping shafts are respectively provided with positioning shaft shoulders and transition shaft shoulders, the opposite sides of the two positioning shaft shoulders are respectively provided with positioning pin balls in the outer shell, the two positioning shaft shoulders are respectively provided with grooves matched with the positioning pin balls, the outer shell is further provided with a limiting plate, the limiting plate is provided with stop points on both sides, and the two transition shaft shoulders are respectively provided with limiting protrusions, and the stop points and the limiting protrusions are matched with each other.
[0011] In a preferred embodiment, the keyboard is provided with anti-skid pads on the four corners of the bottom and is provided with at least two protective pads on the top.
[0012] In a preferred embodiment, the keyboard is further provided with a touch panel and a battery electrically connected to the PCBA mainboard.
[0013] In summary, due to the adoption of the above technical solutions, the present application has the following advantages:
[0014] 1. In the present application, a double-shaft rotating shaft assembly capable of rotating 360° up and down is designed between the keyboard and the protective sleeve, so that the angle of the tablet computer can be controlled without limitation, and the whole device is more convenient and flexible to use, and the double-shaft rotating shaft assembly itself has a self-locking function, which can ensure the stability of the whole device after being adjusted to any angle.
[0015] 2. In the present application, an AI intelligent voice input device is designed on one side of the keyboard, which can realize voice input function on the basis of the original keyboard basic function, and can be used by users who type slowly or have hand fatigue after long time input. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 FIG. 3 is a perspective view of the angle between the protective sleeve and the keyboard in the present application, which is 120°;
[0017] Figure 2 FIG. 4 is a perspective view of the double-shaft rotating shaft assembly in the present application;
[0018] Figure 3 FIG. 5 is a sectional view of the double-shaft rotating shaft assembly in the present application;
[0019] Figure 4The utility model discloses a double shaft rotating shaft subassembly three -dimensional structure schematic diagram of removing the outer shell body and connecting plate;
[0020] Figure 5 The utility model discloses a three -dimensional structure schematic diagram of the included angle between protective sleeve and keyboard is 180 degrees;
[0021] Figure 6 The utility model discloses a three -dimensional structure schematic diagram of the included angle between protective sleeve and keyboard is 0 degrees;
[0022] Figure 7 The utility model discloses a three -dimensional structure schematic diagram of the included angle between protective sleeve and keyboard is 360 degrees;
[0023] Figure 8 The utility model discloses a three -dimensional structure schematic diagram of the included angle between protective sleeve and keyboard is 360 degrees and the upper cover of keyboard is removed;
[0024] Figure 9 The utility model discloses a side view plane structure schematic diagram of the included angle between protective sleeve and keyboard is 360 degrees.
[0025] Mark in drawing: 1-keyboard, 11-protective pad, 12-PCBA mainboard, 13-touch pad, 14-battery, 15-antiskid pad, 2-protective sleeve, 3-double shaft rotating shaft subassembly, 30-limiting plate, 31-outer shell body, 32-first damping rotating shaft, 33-second connecting plate, 34-first connecting plate, 35-second damping rotating shaft, 36-positioning pin ball, 37-positioning shaft shoulder, 38-transition shaft shoulder, 39-transition shaft shoulder, 4-sound hole. DETAILED DESCRIPTION
[0026] In order to make the utility model's purpose, technical scheme and advantage more clearly clear, below combining with the attached drawing and example, this utility model carries out further detailed explanation. It should be understood that the specific example described here is only used to explain the utility model, and is not used to limit the utility model.
[0027] A 360-degree tablet computer keyboard protective sleeve with AI intelligent voice input, refer to Figures 1-9, including a keyboard 1, a double shaft rotating shaft assembly 3 and a protective sleeve 2 for mounting a tablet computer, the keyboard 1 is rotatably connected with the protective sleeve 2 through the double shaft rotating shaft assembly 3, the protective sleeve 2 can rotate 360° up and down relative to the keyboard 1 through the double shaft rotating shaft assembly 3, the double shaft rotating shaft assembly 3 includes an outer shell 31 and oppositely arranged first damping rotating shaft 32 and second damping rotating shaft 35, the tail end of the first damping rotating shaft 32 and the second damping rotating shaft 35 is rotatably installed in the outer shell 31, the protective sleeve 2 and the keyboard 1 are respectively provided with shaft holes (not shown in the figure) for the head end of the first damping rotating shaft 32 and the second damping rotating shaft 35 to extend into, a double shaft rotating shaft assembly 3 that can rotate 360° up and down is designed between the keyboard and the protective sleeve, the first damping rotating shaft 32 and the second damping rotating shaft 35 in the double shaft rotating shaft assembly 3 can realize unlimited angle control of the tablet computer, the whole use can be more convenient and flexible, and can be applied in different use scenarios.
[0028] In addition, under the action of the self-locking (damping) of the first damping rotating shaft 32 and the second damping rotating shaft 35, the stability of the whole can be guaranteed after being adjusted to any angle, even if a finger slightly clicks, there will be no obvious sinking, the damping rotating shaft is a technology that has been realized, and the specific structure will not be described here, and the damping effect can be realized through a plurality of elastic washers.
[0029] Further, the first damping rotating shaft 32 and the second damping rotating shaft 35 are each provided with a positioning shaft shoulder 37 and a transition shaft shoulder 38, opposite sides of the two positioning shaft shoulders 37 are provided with a positioning pin ball 36 in the outer shell 31, the two positioning shaft shoulders 37 are each provided with a groove matched with the positioning pin ball 36, the positioning pin ball 36 is sunk into the groove of one of the shaft positioning shaft shoulders 37 as a pin to make the shaft as a fixed shaft, the movable shaft and the positioning pin ball 36 are in spherical contact, the movement is smooth, and the abnormal sound is eliminated.
[0030] Further, the outer shell 31 is further provided with a limiting plate 30, the limiting plate 30 is protruded on both sides to form a stop point, the two transition shaft shoulders 38 are each provided with a limiting protrusion, the stop point and the limiting protrusion are matched with each other, the double shaft rotating shaft can be switched and fixed according to the preset angle through the stop point.
[0031] Further, the head end of the first damping rotating shaft 32 and the second damping rotating shaft 35 is respectively locked with a first connecting plate 34 and a second connecting plate 33 through a screw, and the keyboard 1 and the protective sleeve 2 are respectively provided with a fixing part for fixing the first connecting plate 34 and the second connecting plate 33. Preferably, the fixing part is a screw, but it is not limited here.
[0032] Preferably, the protective sleeve 2 is made of PU material, and a hole position for the camera of the tablet computer to extend out is formed on the back of the protective sleeve 2.
[0033] Further, the keyboard 1 internally accommodates a PCBA mainboard 12, the PCBA mainboard 12 is integrated with an AI voice recognition module and a voice collection module, for realizing voice input operation, an AI intelligent voice input device is designed on one side of the keyboard 1, on the basis of possessing the basic function of the original keyboard, the voice input function can also be realized, which can facilitate the user who types slowly or is tired of hands for a long time to use the keyboard.
[0034] Further, the voice collection module is a microphone, the AI voice recognition module is a voice recognition AI chip, the keyboard 1 is in communication connection with a tablet computer, the voice recognition AI chip converts voice instructions into identifiable data and sends the data to the PCBA mainboard 12, the microphone is used for collecting voice instructions of the user, then the voice recognition AI chip recognizes the voice instructions of the user and transmits the converted data into the PCBA mainboard 12, the data is transmitted into the tablet computer in communication connection with the PCBA mainboard 12 through the PCBA mainboard 12, so that specific input functions are realized.
[0035] Among them, the voice recognition AI chip is a technology that has been realized, and will not be described in detail.
[0036] Further, a sound transmission hole 4 is formed through the side of the keyboard 1 corresponding to the sound inlet side of the microphone, the added sound transmission hole 4 can ensure the transmission of sound, so as to ensure the voice recognition quality.
[0037] Further, anti-skid pads 15 are arranged at the bottom corners of the keyboard 1, and at least two protective pads 11 are symmetrically arranged at the top of the keyboard 1, wherein the anti-skid pads 15 and the protective pads 11 are preferably made of silica gel, the protective pads 11 are higher than the height of the keyboard keys, so that when the protective sleeve 2 is upwardly rotated and buckled on the keyboard 1, the protective sleeve 2 will be in contact with the protective pads 11, and the protective pads 11 play the role of positioning and protection.
[0038] Further, a touch panel 13 and a battery 14 in electric connection with the PCBA mainboard 12 are also accommodated in the keyboard 1.
[0039] In summary, an AI intelligent voice input device is designed on one side of the keyboard, on the basis of possessing the basic function of the original keyboard, the voice input function can also be realized, which facilitates the user who types slowly or is tired of hands for a long time to use the keyboard, and further, a 360° double-shaft rotating shaft assembly 3 that can rotate up and down is designed between the keyboard 1 and the protective sleeve 2, which can realize unlimited angle control of the tablet computer, and can make the overall use more convenient and flexible, and is worth promoting.
[0040] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A 360-degree tablet keyboard cover with AI intelligent voice input, characterized in that, The device includes a keyboard, a dual-axis hinge assembly, and a protective case for mounting a tablet computer. The keyboard and the protective case are rotatably connected via the dual-axis hinge assembly, allowing the protective case to rotate 360° vertically relative to the keyboard. The keyboard internally houses a PCBA motherboard, which integrates an AI voice recognition module and a voice acquisition module for voice input. The dual-axis hinge assembly includes a housing and two opposing damping hinges, the ends of which are rotatably mounted within the housing. The protective case and the keyboard each have openings that satisfy the damping hinges. The second damping shaft head extends into the shaft hole. The first and second damping shaft heads are respectively attached to the first and second connecting plates by screws. The keyboard and the protective sleeve are respectively provided with fixing parts for fixing the first and second connecting plates. The first and second damping shafts are provided with positioning shoulders and transition shoulders. The opposite sides of the two positioning shoulders are provided with positioning pin balls in the outer shell. Both positioning shoulders are provided with grooves that match the positioning pin balls. The outer shell is also provided with a limiting plate. The limiting plate has stop points protruding on both sides. Both transition shoulders are provided with limiting protrusions. The stop points and limiting protrusions cooperate with each other.
2. The 360-degree tablet keyboard cover with AI intelligent voice input as described in claim 1, characterized in that: The voice acquisition module is a microphone, and the microphone has a through-hole on the side of the keyboard corresponding to the input sound side.
3. A 360-degree tablet keyboard cover with AI intelligent voice input as described in claim 1, characterized in that: The AI voice recognition module is a voice recognition AI chip. The keyboard is communicatively connected to the tablet computer. The voice recognition AI chip converts voice commands into recognizable data and sends them to the PCBA motherboard.
4. A 360-degree tablet keyboard cover with AI intelligent voice input as described in claim 1, characterized in that: The keyboard has anti-slip pads at the four corners of its bottom and at least two protective pads symmetrically arranged on the top of the keyboard.
5. A 360-degree tablet keyboard cover with AI intelligent voice input as described in claim 1, characterized in that: The keyboard also houses a touchpad and a battery that are electrically connected to the PCBA motherboard.