Portable folding keyboard

Abstract

The utility model relates to the technical field of keyboards, and discloses a portable folding keyboard which comprises a main keyboard, an auxiliary keyboard and a touch keyboard, two hinge chains are arranged between the main keyboard and the auxiliary keyboard, two hinge chains are arranged between the main keyboard and the touch keyboard, and the main keyboard and the auxiliary keyboard are connected through the hinge chains. A clamping assembly is arranged on the side, away from the main keyboard, of the touch keyboard, an internal connection assembly is arranged on the side, away from the main keyboard, of the auxiliary keyboard, supporting assemblies are arranged on one side of the bottom of the auxiliary keyboard and one side of the bottom of the touch keyboard, the clamping assembly comprises a spring bolt, and a sliding block is installed on the outer side of the spring bolt. According to the folding keyboard, the keyboard can be quickly folded through the clamping assembly and the internal connection assembly. The magnetic block at the end of the spring bolt enhances connection stability, and the rubber ring in the inner groove reduces friction and prevents falling. In addition, through the supporting assembly designed at the bottom of the keyboard, the user can adjust the angle according to needs, the fatigue feeling caused by long-time use is reduced, and the comfort degree is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to keyboard technical field especially relates to a portable folding keyboard. BACKGROUND

[0002] Keyboard technology is an important branch in the field of computer input devices, involving the design, function, connection method of keyboard and its interaction with other devices. Traditional mechanical keyboard and membrane keyboard are the most common types, the former is famous for key feedback and durability, and the latter is widely used because of its low cost and light structure. With the development of technology, keyboard technology is constantly innovating, especially in wireless connection, touch technology, backlight design and programmable function, which has made remarkable progress. In recent years, folding, virtual keyboard and ergonomic design keyboard have gradually entered the market, providing more convenience and comfort, adapting to the needs of different user groups and use scenarios.

[0003] Folding keyboard is a compact keyboard that is easy to carry and store, usually adopting foldable design, which can reduce the volume when not in use, making it easy to put into a bag or pocket, suitable for users who need to move frequently. It usually connects with devices through Bluetooth or other wireless technology, supporting remote input of smart phones, tablets, laptops and other devices. The design of folding keyboard aims to provide convenient use experience while maintaining a certain degree of comfort and functionality. Many folding keyboards also have long battery life, suitable for travel or outdoor work. Whether in office, travel or daily life, folding keyboard can provide efficient and convenient input method.

[0004] Although the existing portable folding keyboard has advantages in portability and convenience, it still has certain deficiencies in use stability and comfort. Many existing folding keyboards adopt simple folding structure, and the connection of sub-keyboard and touch keyboard usually depends on traditional clamps or hinge design, which can cause loosening or wear of the connection part, affecting the overall stability of the keyboard. In addition, most of the existing folding keyboards lack flexible angle adjustment function, which can easily cause wrist fatigue during use, especially in the case of long time input, which does not fully consider the ergonomic needs.

[0005] In view of the above problems, a portable folding keyboard is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] In order to make up for the above shortcomings, the utility model provides a portable folding keyboard, which aims to solve the problem of use stability and comfort of the existing folding keyboard.

[0007] In order to achieve the above object, the utility model discloses the following technical scheme: a portable folding keyboard, including main keyboard, vice keyboard and touch keyboard, be provided with two articulated chains between the main keyboard and the vice keyboard, be provided with two articulated chains between the main keyboard and the touch keyboard, the side away from the main keyboard of touch keyboard is provided with the clamping assembly, the side away from the main keyboard of vice keyboard is provided with the internal connection component, the bottom side of vice keyboard and touch keyboard all is provided with support component,

[0008] The clamping assembly includes a lock tongue, a sliding block is mounted on the outer side of the lock tongue, the sliding block is slidingly connected in the touch keyboard, two magnetic blocks are mounted on the end of the lock tongue, a plurality of springs are provided on the side away from the lock tongue of the sliding block.

[0009] As a further description of the above technical scheme:

[0010] One end of the spring is fixedly connected in the touch keyboard, and the other end of the spring is fixedly connected on the outer side of the sliding block.

[0011] As a further description of the above technical scheme:

[0012] A plurality of keycaps are mounted in the main keyboard and the vice keyboard.

[0013] As a further description of the above technical scheme:

[0014] The touch keyboard is provided with a touch area and a display area in the inside.

[0015] As a further description of the above technical scheme:

[0016] The internal connection component includes an inner groove, the inner groove is opened in the inside of the vice keyboard, and a plurality of rubber rings are mounted on the inner wall of the inner groove.

[0017] As a further description of the above technical scheme:

[0018] The lock tongue is inserted in the inside of the inner groove, and the inner side of the rubber ring and the outer side of the lock tongue abut.

[0019] As a further description of the above technical scheme:

[0020] The support component includes a base, a plurality of clamping seats are opened in the top of the base, rotating plates are rotatably connected on the two sides of the base, a rotating rod is arranged between the top of the two rotating plates, and connecting seats are arranged on the sides away from each other between the two rotating plates.

[0021] As a further description of the above technical scheme:

[0022] The two ends of the rotating rod are rotatably connected inside two rotating plates and two connecting seats, the bottom of the auxiliary keyboard is fixedly connected with a rotating seat, and the rotating seat is rotatably connected with a supporting rod inside, and the bottom of the supporting rod is clamped inside the clamping seat.

[0023] The utility model has the advantages of the following:

[0024] 1、The utility model discloses a keyboard is divided into auxiliary keyboard, main keyboard and touch keyboard three parts. Auxiliary keyboard and touch keyboard can be folded to the top of main keyboard, and form a compact whole, and it is convenient to carry and store. In the part of auxiliary keyboard and touch keyboard and main keyboard, clamping assembly and inner connecting assembly are arranged respectively. The lock tongue in the clamping assembly can be inserted into the inner groove in the inner connecting assembly, and the stability of auxiliary keyboard and touch keyboard is ensured when using. In order to enhance the stability of connection, the end of the lock tongue is provided with a magnetic block, and the clamping effect is further improved, and the two parts are not easy to fall off. The rubber ring is arranged in the inner groove, plays a buffering role, reduces the friction force between the components, reduces the loss caused by repeated connection, thereby effectively preventing the folding part from falling off.

[0025] 2、The utility model discloses a support assembly is designed at the bottom of auxiliary keyboard and touch keyboard, and the angle of auxiliary keyboard and touch keyboard can be adjusted flexibly according to personal needs, so that the wrist posture when typing or touch operating is more natural, thereby reducing the fatigue feeling when using for a long time. DRAWINGS

[0026] Figure 1 A three-dimensional schematic view of the portable folding keyboard is provided for the utility model;

[0027] Figure 2 A structure schematic view of the spring of the portable folding keyboard is provided for the utility model;

[0028] Figure 3 A structure schematic view of the support assembly of the portable folding keyboard is provided for the utility model;

[0029] Figure 4 A structure schematic view of the rubber ring of the portable folding keyboard is provided for the utility model;

[0030] Figure 5 A structure schematic view of the supporting rod of the portable folding keyboard is provided for the utility model.

[0031] LEGEND:

[0032] 1, main keyboard; 2, secondary keyboard; 3, touch keyboard; 4, hinged chain; 5, key cap; 6, clamping assembly; 61, lock tongue; 62, magnetic block; 63, slider; 64, spring; 7, inner connection assembly; 71, inner groove; 72, rubber ring; 8, support assembly; 81, base; 82, clamping seat; 83, rotating plate; 84, connecting seat; 85, rotating rod; 86, rotating seat; 87, supporting rod. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] Referring to Figure 1 and Figure 3 , the utility model provides an embodiment: a portable folding keyboard, including main keyboard 1, secondary keyboard 2 and touch keyboard 3. Among them, the inside installation of main keyboard 1 and secondary keyboard 2 has multiple key caps 5, and the layout design of these key caps 5 accords with ergonomics, ensures that comfortable key feedback can be provided when long time input. Two hinged chains 4 are arranged between main keyboard 1 and secondary keyboard 2, so that secondary keyboard 2 can be stably connected with main keyboard 1 when using, and is flexibly folded through hinged chain 4, further enhances portability. In addition, two hinged chains 4 are also arranged between main keyboard 1 and touch keyboard 3, which facilitates touch keyboard 3 to be freely folded according to use demand, reduces the occupied space, and adapts to different operation scenes. The inside of touch keyboard 3 is provided with a touch area and a display area, and the user can operate through the touch area, and the display area can be used to display relevant input content or function prompt, which improves the interactive experience. The side, away from main keyboard 1, of touch keyboard 3 is provided with clamping assembly 6, and the clamping assembly 6 is used for cooperating with inner connection assembly 7 on secondary keyboard 2, through accurate clamping and inner connection design, it is ensured that the connection between secondary keyboard 2 and touch keyboard 3 is stable, and the situation of loosening or falling off is avoided. In order to further improve the comfort of the keyboard, the bottom side of secondary keyboard 2 and touch keyboard 3 is provided with support assembly 8, and the support assembly 8 can adjust the inclination angle of the keyboard according to demand, optimizes the hand posture of the user when inputting, and reduces the fatigue feeling when using.

[0035] Referring to Figure 1 , Figure 2 and Figure 4The clamping assembly 6 comprises a lock tongue 61, and a sliding block 63 is arranged on the outer side of the lock tongue 61 and is slidingly connected in the inner part of the touch keyboard 3, so that the lock tongue 61 can slide flexibly, and the operation of the clamping assembly 6 is more stable. Two magnetic blocks 62 are arranged at the end of the lock tongue 61, the magnetic blocks 62 enhance the adsorption force between the lock tongue 61 and the inner assembly 7, ensure the stability of the connection between the two parts, and prevent the connection from loosening due to external force or improper operation. A plurality of springs 64 are arranged on the side, away from the lock tongue 61, of the sliding block 63, the springs 64 automatically rebound, ensure proper elasticity during plugging and separation, and make the operation more smooth. One end of the spring 64 is fixedly connected to the inner part of the touch keyboard 3, and the other end is fixedly connected to the outer side of the sliding block 63, so that the spring 64 forms a closed loop and provides stable thrust for the sliding block 63, and the clamping and unlocking operations are more flexible and efficient.

[0036] The inner assembly 7 comprises an inner groove 71, which is arranged in the inner part of the secondary keyboard 2 and provides a special space for plugging of the lock tongue 61. A plurality of rubber rings 72 are arranged on the inner wall of the inner groove 71, and the rubber rings 72 further improve the stability and sealing performance of the clamping connection by abutting against the outer side of the lock tongue 61, so as to avoid wear or falling caused by excessive friction. At the same time, the rubber rings 72 can also reduce the noise during clamping, so that the use experience is more smooth. The lock tongue 61 is tightly combined with the inner groove 71 by plugging, so as to ensure the firm connection between the secondary keyboard 2 and the touch keyboard 3, improve the stability and durability of the overall structure, and avoid the problem of loosening of the connecting parts during long-term use.

[0037] Referring to Figure 5The support assembly 8 includes a base 81 with multiple card seats 82 on the top for clamping with the bottom of the support rod 87 to ensure stable fixation during use. Both sides of the base 81 are rotatably connected with rotating plates 83, which have rotating function to adjust the angle as needed, so that the secondary keyboard 2 and touch keyboard 3 can reach the optimal inclination angle during use, improving the comfort during input. A rotating rod 85 is provided between the top of the two rotating plates 83 to connect the rotating plates 83, ensuring that the two rotating plates 83 remain synchronized during rotation, and providing better stability and support through the rotating rod 85. In addition, the side opposite to the two rotating plates 83 is provided with a connecting seat 84, which provides additional support and stability to prevent the rotating plate 83 from deviating during rotation, ensuring the stability of the support assembly 8. The rotating rod 85 is rotatably connected at both ends to the inside of the two rotating plates 83 and the two connecting seats 84, further enhancing the stability of the rotating mechanism. The bottom of the secondary keyboard 2 is fixedly connected with a rotating seat 86, which is rotatably connected with a support rod 87 inside. The support rod 87 can provide appropriate support force during use as needed. The bottom of the support rod 87 is clamped inside the card seat 82, and through the clamping mechanism, the support rod 87 is fixedly connected with the base 81, ensuring that the support assembly 8 remains stable at different inclination angles.

[0038] Working principle: The main keyboard 1, secondary keyboard 2 and touch keyboard 3 are connected by multiple hinged chains 4, allowing the secondary keyboard 2 and touch keyboard 3 to be folded or unfolded as needed. The secondary keyboard 2 and touch keyboard 3 are stably connected through the clamping assembly 6 and the inner connecting assembly 7. The lock tongue 61 in the clamping assembly 6 and the inner groove 71 on the secondary keyboard 2 are inserted with each other, and the magnetic block 62 at the end of the lock tongue 61 enhances the adsorption force between the two parts, making the connection between the secondary keyboard 2 and the touch keyboard 3 more secure. The touch keyboard 3 has a touch area and a display area, which can be operated by the user through the touch area, while the display area provides information feedback. When the device needs to adjust the angle, the support assembly 8 plays a key role, the card seat 82 on the base 81 is combined with the support rod 87, and the angle adjustment is realized through the rotating plate 83 and the support rod 87. The rotating plate 83 can be rotated as needed to provide different inclination angles through rotation, reducing the pressure on the wrist during long-term use and improving the comfort of input. During use, the support assembly 8 ensures that the secondary keyboard 2 and touch keyboard 3 remain stable at different angles, preventing instability caused by inclination, providing a more flexible and comfortable input experience, while ensuring the stability and durability of the structure.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A portable folding keyboard comprising a main keyboard (1), a secondary keyboard (2) and a touch keyboard (3), characterized in that: Two hinged chains (4) are arranged between the main keyboard (1) and the secondary keyboard (2), two hinged chains (4) are arranged between the main keyboard (1) and the touch keyboard (3), the touch keyboard (3) is provided with a clamping assembly (6) away from one side of the main keyboard (1), the secondary keyboard (2) is provided with an inner connecting assembly (7) away from one side of the main keyboard (1), and the bottom side of the secondary keyboard (2) and the touch keyboard (3) is provided with a supporting assembly (8). The clamping assembly (6) comprises a lock tongue (61), a sliding block (63) is mounted on the outer side of the lock tongue (61), the sliding block (63) is slidingly connected in the inner side of the touch keyboard (3), two magnetic blocks (62) are mounted on the end of the lock tongue (61), and a plurality of springs (64) are arranged on the side, away from the lock tongue (61), of the sliding block (63).

2. A portable folding keyboard as claimed in claim 1, wherein: One end of the spring (64) is fixedly connected in the inner side of the touch keyboard (3), and the other end of the spring (64) is fixedly connected on the outer side of the sliding block (63).

3. The portable, folding keyboard of claim 1, wherein: A plurality of keycaps (5) are mounted in the inner sides of the main keyboard (1) and the secondary keyboard (2).

4. The portable, folding keyboard of claim 1, wherein: The inner side of the touch keyboard (3) is provided with a touch area and a display area.

5. The portable, folding keyboard of claim 1, wherein: The inner connecting assembly (7) comprises an inner groove (71) which is formed in the inner side of the secondary keyboard (2), and a plurality of rubber rings (72) are mounted on the inner wall of the inner groove (71).

6. A portable folding keyboard as claimed in claim 5, wherein: The lock tongue (61) is inserted into the inner side of the inner groove (71), and the inner side of the rubber ring (72) abuts against the outer side of the lock tongue (61).

7. The portable, folding keyboard of claim 1, wherein: The supporting assembly (8) comprises a base (81), a plurality of clamping seats (82) are formed in the top of the base (81), rotating plates (83) are rotatably connected to the two sides of the base (81), a rotating rod (85) is arranged between the top of the two rotating plates (83), and connecting seats (84) are arranged on the sides, away from each other, of the two rotating plates (83).

8. A portable folding keyboard as claimed in claim 7, wherein: Both ends of the rotating rod (85) are rotatably connected in the inner sides of the two rotating plates (83) and the two connecting seats (84), a rotating seat (86) is fixedly connected to the bottom of the secondary keyboard (2), a supporting rod (87) is rotatably connected in the inner side of the rotating seat (86), and the bottom of the supporting rod (87) is clamped in the inner side of the clamping seat (82).

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