A foldable keyboard

Abstract

The application provides a foldable keyboard, wherein the foldable keyboard comprises a first main body, a second main body and a folding assembly connecting the first main body and the second main body; the folding assembly is provided with a locking mechanism, the locking mechanism comprises a locking piece, a first locking part and a second locking part, the first locking part is arranged on the first main body, the second locking part is arranged on the second main body, and the locking piece is operable to engage with the first locking part and the second locking part to lock the first main body and the second main body in an unfolded state. The foldable keyboard provided by the application is operable to engage the locking piece with the first locking part arranged on the first main body and the second locking part arranged on the second main body, thereby reliably locking the first main body and the second main body in the unfolded state, effectively avoiding the half-closed phenomenon of the keyboard due to insufficient support on an uneven surface, and significantly improving the stability and operation comfort during typing.

Description

Technical Field

[0001] This application relates to the field of computer technology, and in particular to a foldable keyboard. Background Technology

[0002] Keyboards are one of the core input tools for computers and other electronic devices, and most mainstream products are currently wired. With technological advancements, wireless foldable keyboards are becoming increasingly popular. Their portability and space-saving design make them easier for users to connect and use, making them especially suitable for mobile work and travel scenarios.

[0003] However, most folding keyboards on the market lack an effective locking structure at the hinge. When typing on uneven surfaces, the keyboard is prone to semi-closed due to insufficient support, which seriously affects the stability and comfort of typing and limits the diversity of its practical application scenarios. Utility Model Content

[0004] This invention provides a foldable keyboard to solve the technical problem that existing foldable keyboards are prone to a semi-closed state when used on uneven surfaces due to the lack of an effective locking structure at the folding hinge.

[0005] To achieve the above objectives, the foldable keyboard proposed in this application includes a first main body, a second main body, and a folding assembly rotatably connecting the first main body and the second main body; the folding assembly is provided with a locking mechanism, the locking mechanism including a locking member, a first locking part and a second locking part, the first locking part being disposed on the first main body, the second locking part being disposed on the second main body, and the locking member being operablely engaged with the first locking part and the second locking part to lock the first main body and the second main body in an unfolded state.

[0006] Optionally, in one embodiment, the folding assembly includes a substrate, and the locking member is a locking bar slidably disposed on the substrate; the first locking part is a first locking groove disposed on the first body, and the second locking part is a second locking groove disposed on the second body, and the locking bar simultaneously engages with the first locking groove and the second locking groove to prevent the first body and the second body from rotating.

[0007] Optionally, in one embodiment, the substrate is provided with a groove extending along a preset sliding direction of the locking rod, and the locking rod is accommodated in the groove; the locking mechanism further includes a slider, one end of which extends into the groove and is fixedly connected to the locking rod, and the other end of which protrudes from the surface of the substrate to form an operating part.

[0008] Optionally, in one embodiment, the substrate has a limiting groove on the side facing away from the slider, and the limiting groove is connected to the slide groove; the locking mechanism further includes a limiting member, one end of which is accommodated in the limiting groove, and the other end of which extends into the slide groove and is fixedly connected to the slider.

[0009] Optionally, in one embodiment, the locking member is a locking bar slidably disposed on the folding assembly, the first locking part is a first boss disposed on the first body, the second locking part is a second boss disposed on the second body, and the locking bar engages with both the first boss and the second boss to prevent the first body and the second body from rotating.

[0010] Optionally, in one embodiment, the first body has a first rotating plate on the side near the second body, and the first locking groove is disposed on the first rotating plate; the second body has a second rotating plate on the side near the first body, and the second locking groove is disposed on the second rotating plate; the end of the substrate has a fork-shaped member, and both the first rotating plate and the second rotating plate are rotatably connected to the fork-shaped member.

[0011] Optionally, in one embodiment, the folding assembly further includes a first movable page and a second movable page, the first movable page and the second movable page being rotatably connected to both sides of the substrate, the first movable page being connected to the first body to rotate synchronously with the first body, and the second movable page being connected to the second body to rotate synchronously with the second body.

[0012] Optionally, in one embodiment, the number of locking mechanisms is two, and the two locking mechanisms are respectively disposed at both ends of the substrate.

[0013] Optionally, in one embodiment, both the first body and the second body are provided with foot pads, the foot pads being configured such that their extension height is greater than the extension height of the operating part.

[0014] Optionally, in one embodiment, the locking bar is made of a metal material.

[0015] The foldable keyboard provided in this application achieves the effect of reliably locking the first and second bodies in the unfolded state by setting a locking mechanism including a locking member, a first locking part, and a second locking part on the folding component, and by using the locking member to operably engage with the first locking part set on the first body and the second locking part set on the second body. This structure effectively avoids the semi-closed phenomenon caused by insufficient support on uneven surfaces, significantly improves the stability and comfort of typing, and expands the adaptability and practicality of the keyboard in various complex usage scenarios. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0017] Figure 1 A schematic diagram of the foldable keyboard provided in this application in its unfolded state;

[0018] Figure 2 A cross-sectional schematic diagram of the foldable keyboard provided in this application;

[0019] Figure 3 for Figure 2 A magnified view of a section at point A in the middle;

[0020] Figure 4 A partial structural schematic diagram of the folding component provided in this application;

[0021] Figure 5 This is a schematic diagram of the locking rod provided in this application;

[0022] Figure 6 This is a schematic diagram of the structure of a locking mechanism provided in one embodiment of this application;

[0023] Figure 7 A schematic diagram of the locking mechanism provided in another embodiment of this application;

[0024] Figure 8 This is a schematic diagram of the structure of the folding component provided in this application;

[0025] Figure 9 for Figure 8 A magnified view of a section at point B in the middle;

[0026] Figure 10 This is a schematic diagram of the foldable keyboard provided in this application in its folded state.

[0027] Explanation of icon numbers:

[0028] 10 First subject 313 Fork-shaped parts 42a First lock slot 11 First rotating plate 314 Fork arm 42b First protrusion 12 foot mat 315 pivot 43 Second locking section 20 Second subject 32 First Activity Page 43a Second lock slot 21 Second rotating plate 33 Second Activity Page 43b Second protrusion 30 Folding components 40 Locking mechanism 44 slider 31 substrate 41 Locking parts 441 Operations Department 311 chute 41a Lock bar 45 Limiting components 312 Limiting groove 42 First Lockdown Section

[0029] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0030] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0031] This application provides a foldable keyboard to solve the technical problem that existing foldable keyboards, due to the lack of an effective locking structure at the folding hinge, are prone to a semi-closed state when used on uneven surfaces. The following description is in conjunction with the accompanying drawings.

[0032] In the embodiments of this application, such as Figures 1-4 As shown, the foldable keyboard includes a first body 10, a second body 20, and a folding assembly 30 that rotatably connects the first body 10 and the second body 20. The folding assembly 30 is provided with a locking mechanism 40, which includes a locking member 41, a first locking part 42, and a second locking part 43. The first locking part 42 is disposed on the first body 10, and the second locking part 43 is disposed on the second body 20. The locking member 41 is operable to engage with the first locking part 42 and the second locking part 43 to lock the first body 10 and the second body 20 in the unfolded state.

[0033] It should be noted that most folding keyboards on the market currently use hinges or flexible connecting strips to achieve their folding function, but they generally lack an effective locking mechanism at the fold. This design flaw causes the two parts of the keyboard to easily shift due to uneven force when the user types on uneven surfaces (such as legs, soft sofas, or outdoor environments), even resulting in a semi-folded state. This causes the overall structure to wobble and become unstable, severely affecting the continuity and accuracy of typing, thus greatly limiting the practicality and user experience of folding keyboards in various scenarios such as mobile office work and business travel.

[0034] To address the aforementioned issues, the foldable keyboard provided in this application features a locking mechanism 40 on the folding assembly 30. The locking mechanism 40 includes a locking element 41, a first locking part 42 disposed on the first main body 10, and a second locking part 43 disposed on the second main body 20. By enabling the locking element 41 to operably engage with the first locking part 42 and the second locking part 43 when the keyboard is unfolded, a rigid connection and posture fixation between the first main body 10 and the second main body 20 are achieved. This ensures the overall structural stability of the keyboard in its fully unfolded state, fundamentally preventing the keyboard from partially closing or accidentally folding due to uneven support surfaces. This significantly improves the reliability and comfort of typing, while also broadening the applicable scenarios and practical value of the product in complex usage environments.

[0035] Specifically, Figure 1This is a schematic diagram of the keyboard in its fully extended state. Figure 10 This is a schematic diagram of the keyboard in its folded state. In the fully unfolded state, the first body 10 and the second body 20 of the keyboard are basically located in the same plane. At this time, by operating the locking member 41 to engage with the first locking part 42 and the second locking part 43, the keyboard can be kept stably in the unfolded state, ensuring the stability of input. When the keyboard needs to be folded, the operating locking member 41 disengages from the first locking part 42 and the second locking part 43, and the first body 10 and the second body 20 are rotated relative to each other, thus realizing the folding.

[0036] In an alternative embodiment, please refer to Figures 4-6 The folding assembly 30 includes a base plate 31, a locking member 41 which is a locking bar 41a slidably disposed on the base plate 31; a first locking part 42 which is a first locking groove 42a disposed on the first main body 10, and a second locking part 43 which is a second locking groove 43a disposed on the second main body 20. The locking bar 41a engages with both the first locking groove 42a and the second locking groove 43a to prevent the first main body 10 and the second main body 20 from rotating.

[0037] In this embodiment, the substrate 31 is rotatably connected to the first body 10 and the second body 20, respectively, so that the first body 10 and the second body 20 can rotate relative to each other around the substrate 31, thereby realizing the folding and unfolding of the keyboard. When the keyboard is in the fully unfolded state, the first locking groove 42a and the second locking groove 43a are aligned and form a continuous locking groove channel. The user can push the locking lever 41a to insert it into the first locking groove 42a and the second locking groove 43a in sequence, thereby preventing the first body 10 and the second body 20 from rotating on the substrate 31, so as to stably lock the keyboard in the fully unfolded state.

[0038] When the keyboard needs to be folded, slide the locking lever 41a in opposite directions to disengage it from the second locking groove 43a and the first locking groove 42a in sequence. Once the locking lever 41a is no longer simultaneously located in the first locking groove 42a and the second locking groove 43a, the rotational constraint between the first body 10 and the second body 20 is released, and the keyboard can then be folded.

[0039] In this embodiment, the locking rod 41a is L-shaped, and the first locking groove 42a and the second locking groove 43a are square grooves with the same shape and size. The width of the locking rod 41a is slightly smaller than the width of the first locking groove 42a and the second locking groove 43a, so that the locking rod 41a can be smoothly inserted into the first locking groove 42a and the second locking groove 43a, and can effectively suppress large-scale shaking between the first body 10 and the second body 20 after locking. In addition, in order to improve the accuracy of the sliding insertion of the locking rod 41a, a guide slope is provided on the outer edge of the first locking groove 42a. The guide slope is used to guide the locking rod 41a to accurately enter the interior of the first locking groove 42a and the second locking groove 43a.

[0040] In other embodiments, the first locking groove 42a and the second locking groove 43a may also adopt the same shape and size as square holes, round holes or semi-circular grooves, etc. The corresponding locking function can be achieved by adapting the shape of the insertion end of the locking rod 41a to the shape of the first locking groove 42a.

[0041] Further, please refer to Figures 4-6 To achieve smooth sliding of the locking lever 41a, a groove 311 extending along the preset sliding direction of the locking lever 41a is provided on the base plate 31. The preset sliding direction can be the length direction of the base plate 31. The locking lever 41a is accommodated and confined within the groove 311. The keyboard folding can be locked and unlocked by sliding the locking lever 41a within the groove 311.

[0042] The locking mechanism 40 also includes a slider 44. One end of the slider 44 extends into the groove 311 and is fixedly connected to the middle or end of the locking rod 41a by means of a snap, screw or interference fit, so that the slider 44 and the locking rod 41a move synchronously as a whole. The other end of the slider 44 extends out of the groove 311 and protrudes from the upper surface of the base plate 31, forming an operating part 441 that is easy for the user to apply force. The user can easily drive the slider 44 by directly pushing and pulling the protruding operating part 441, thereby driving the locking rod 41a to slide accurately and stably in the groove 311, realizing the switching between locking and unlocking.

[0043] Preferably, the slider 44 and the locking rod 41a are integrally formed. This integral structure eliminates the assembly links and connection gaps between the locking rod 41a and the slider 44, which not only improves the structural strength and durability of the parts and ensures the overall reliability under frequent operation, but also simplifies the assembly process and reduces production costs. At the same time, the integral structure makes the force transmission more direct and efficient. When the user pushes or pulls the slider 44, the driving force can be directly applied to the locking rod 41a without loss, resulting in a more solid and stable operating feel.

[0044] Furthermore, please refer to Figure 5 , Figure 8 and Figure 9 The substrate 31 has a limiting groove 312 on the side facing away from the slider 44, and the limiting groove 312 is connected to the sliding groove 311. The locking mechanism 40 also includes a limiting member 45, one end of which is housed in the limiting groove 312, and the other end of which extends into the sliding groove 311 and is fixedly connected to the slider 44.

[0045] In this embodiment, the limiting groove 312 is vertically aligned with and connected to the upper sliding groove 311, together forming a through hole penetrating the thickness of the substrate 31. The through hole has an overall "I" shape. The limiting member 45 can be a screw, which has a head and a shank disposed opposite to each other. The head of the screw is disposed in the limiting groove 312 and can slide within the limiting groove 312. The shank of the screw passes through the limiting groove 312 and is threadedly connected to the slider 44 in the sliding groove 311, thereby achieving a fixed connection between the limiting member 45 and the slider 44.

[0046] Through the above settings, the limiting member 45 connects the integrated component consisting of the slider 44 and the locking rod 41a to the base plate 31. The groove wall of the limiting groove 312 constrains the sliding range of the limiting member 45, so that the locking rod 41a can be reliably limited in the sliding groove 311 whether it is in the locked position or the unlocked position. This avoids the phenomenon of the locking rod 41a jumping up or loosening, significantly enhances the impact and vibration resistance of the locking mechanism 40 in mobile and portable scenarios, and ensures the reliability of the keyboard for long-term use.

[0047] In an alternative embodiment, please refer to Figure 5 and Figure 7 The locking member 41 is a locking bar 41a that is slidably disposed on the folding assembly 30. The first locking part 42 is a first boss 42b disposed on the first body 10. The second locking part 43 is a second boss 43b disposed on the second body 20. The locking bar 41a engages with the first boss 42b and the second boss 43b at the same time to prevent the first body 10 and the second body 20 from rotating.

[0048] In this embodiment, as Figure 7 As shown, when the keyboard is in the fully unfolded state, the opposite sides of the first protrusion 42b and the second protrusion 43b form a locking plane. The user can operate the locking lever 41a to slide the locking lever 41a between the first protrusion 42b and the second protrusion 43b. At this time, the two sides of the locking lever 41a engage with the opposite sides of the first protrusion 42b and the second protrusion 43b respectively, thereby preventing relative rotation between the first body 10 and the second body 20, and realizing reliable locking of the keyboard in the unfolded state.

[0049] When the keyboard needs to be folded, simply slide the locking lever 41a in the opposite direction to disengage the locking lever 41a from the first boss 42b and the second boss 43b. Then, rotate the first body 10 and the second body 20 relative to each other to complete the folding operation. Specifically, during the folding process, the first body 10 and the second body 20 rotate in opposite directions, such as... Figure 7As shown, the first body 10 rotates counterclockwise, and the second body 20 rotates clockwise. To achieve the locking function of the locking rod 41a, the first boss 42b should be located on the right side of the locking rod 41a, and the second boss 43b should be located on the left side of the locking rod 41a, thereby forming an effective bidirectional constraint in the unfolded state.

[0050] Optionally, in one embodiment, please refer to Figure 6 and Figure 9 The first main body 10 has a first rotating plate 11 on the side near the second main body 20, and a first locking groove 42a is provided on the first rotating plate 11. Similarly, the second main body 20 has a second rotating plate 21 on the side near the first main body 10, and a second locking groove 43a is provided on the second rotating plate 21. The end of the base plate 31 is provided with a fork-shaped member 313, which includes two parallel and spaced fork arms 314 and a rotating shaft 315 that passes through the two fork arms 314. The first rotating plate 11 and the second rotating plate 21 are both provided with shaft holes for the rotating shaft 315 to pass through. The first rotating plate 11 and the second rotating plate 21 can be installed between the two fork arms 314 through the rotating shaft 315.

[0051] Thus, the first main body 10 rotates relative to the second main body 20 via the first rotating plate 11 and the second main body 20 via the second rotating plate 21 around the pivot 315, achieving the folding and unfolding of the keyboard. Since the first locking groove 42a and the second locking groove 43a are directly set on the first rotating plate 11 and the second rotating plate 21 involved in the rotation, in the unfolded state, it can ensure that the first locking groove 42a and the second locking groove 43a are precisely aligned with the locking rod 41a on the base plate 31, so that the locking rod 41a can directly prevent the first main body 10 and the second main body 20 from rotating relative to each other, resulting in a more compact overall structure and more efficient transmission.

[0052] Optionally, in one embodiment, please refer to Figure 1 and Figure 8 The folding assembly 30 also includes a first movable page 32 and a second movable page 33. The first movable page 32 is fixedly mounted on the first main body 10 and rotatably connected to the base plate 31 via a first pivot shaft 315, allowing the first movable page 32 to rotate synchronously with the first main body 10. For example, the first movable page 32 has snap-fit ​​structures at both ends along its length, which can engage with corresponding slots on the first main body 10 to achieve a snap-fit ​​fixation; alternatively, the first movable page 32 and the first main body 10 can also be fixed using screws.

[0053] The second movable page 33 is fixedly mounted on the second main body 20 and rotatably connected to the base plate 31 via the second pivot shaft 315, so that the second movable page 33 can rotate synchronously with the second main body 20. For example, the second movable page 33 has snap-fit ​​structures at both ends along its length, which can engage with corresponding slots on the second main body 20 to achieve snap-fit ​​fixation; alternatively, the second movable page 33 and the second main body 20 can also be fixed by screw connection.

[0054] In this embodiment, by setting the first active page 32 and the second active page 33, the rotational movement of the first main body 10 and the second main body 20 can be distributed to both sides of the substrate 31, which not only enhances the overall stability during the folding process, but also improves the visual uniformity of the product and effectively conceals the gaps generated during the folding process.

[0055] Please see Figure 2 and Figure 4 In order to provide a more balanced and reliable locking force and avoid torsional deformation that may occur when locking at a single point, there are two locking mechanisms 40 in this embodiment, and the two locking mechanisms 40 are respectively disposed at both ends of the substrate 31.

[0056] Specifically, the two locking mechanisms 40 are identical in structure and composition, and are symmetrically arranged at both ends of the substrate 31 along its length. For example... Figure 2 As shown, one locking mechanism 40 is located at the left end of the base plate 31, and the other locking mechanism 40 is located at the right end of the base plate 31. When the keyboard is unfolded and needs to be locked, the user slides the locking levers 41a at both ends, causing them to insert into the first locking groove 42a and the second locking groove 43a at the corresponding positions. By setting two locking structures, the locking force can be evenly distributed at both ends of the folding assembly 30, which significantly improves the overall rigidity and torsional strength of the keyboard in the unfolded state. Even under high-intensity typing or pressure on one side of the keyboard, it can effectively prevent shaking or accidental unlocking, further enhancing the stability and durability of the product.

[0057] Optionally, in one embodiment, please refer to Figure 1 To ensure the keyboard is placed securely and to protect the locking mechanism 40 from accidental operation or wear, feet 12 are provided on the bottom surface of the first body 10 and the bottom surface of the second body 20. The feet 12 can be made of rubber or silicone and are fixed to the bottom of the first body 10 and the second body 20 by adhesive or snap-fit.

[0058] In this embodiment, the foot pad 12 is configured such that its extension height is greater than that of the operating part 441. This height difference ensures that when the keyboard is placed flat on the table, the foot pad 12 always bears the full support, while a safe gap is maintained between the base plate 31 and the operating part 441 on it and the table. This not only effectively prevents the user from accidentally touching the operating part 441 during use and causing accidental unlocking, but also avoids scratches or wear caused by direct friction between the operating part 441 and the table, thus improving the overall service life and user experience of the product.

[0059] Optionally, in one embodiment, to ensure that the locking rod 41a has sufficient mechanical strength, wear resistance and reliability during long-term frequent sliding and locking, the locking rod 41a is made of metal.

[0060] Specifically, the locking bar 41a can be made of high-carbon steel, stainless steel, or alloy, and is manufactured through precision stamping, cutting, or grinding. The metal material gives the locking bar 41a extremely high rigidity and fatigue resistance, enabling it to withstand the stress caused by repeated insertion and removal operations and preventing bending or plastic deformation. Simultaneously, the hard contact between the metal locking bar 41a and the first locking groove 42a and the second locking groove 43a (or the first boss 42b and the second boss 43b) provides a crisper locking feel and more reliable locking force, effectively avoiding locking failure caused by component wear, and significantly improving the service life of the locking mechanism 40 and the overall durability of the product.

[0061] In the above embodiments, the descriptions of each embodiment have different focuses. Parts not described in detail in a particular embodiment can be referred to in the relevant descriptions of other embodiments. In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" and "second" may explicitly or implicitly include one or more features.

[0062] The foldable keyboard provided in the embodiments of this application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A foldable keyboard, characterized in that, It includes a first body, a second body, and a folding assembly that rotatably connects the first body and the second body; The folding assembly is provided with a locking mechanism, which includes a locking member, a first locking part, and a second locking part. The first locking part is disposed on the first main body, and the second locking part is disposed on the second main body. The locking member is operablely engaged with the first locking part and the second locking part to lock the first main body and the second main body in the unfolded state.

2. The foldable keyboard according to claim 1, characterized in that, The folding assembly includes a base plate, and the locking element is a locking rod slidably disposed on the base plate; The first locking part is a first locking groove provided on the first body, and the second locking part is a second locking groove provided on the second body. The locking rod engages with both the first locking groove and the second locking groove to prevent the first body and the second body from rotating.

3. The foldable keyboard according to claim 2, characterized in that, The base plate is provided with a sliding groove extending along the preset sliding direction of the locking rod, and the locking rod is accommodated in the sliding groove; The locking mechanism also includes a slider, one end of which extends into the groove and is fixedly connected to the locking rod, and the other end of which protrudes from the surface of the substrate to form an operating part.

4. The foldable keyboard according to claim 3, characterized in that, The substrate is provided with a limiting groove on the side facing away from the slider, and the limiting groove is connected to the sliding groove. The locking mechanism further includes a limiting member, one end of which is housed in the limiting groove, and the other end of which extends into the sliding groove and is fixedly connected to the slider.

5. The foldable keyboard according to claim 1, characterized in that, The locking element is a locking bar that is slidably disposed on the folding assembly. The first locking part is a first protrusion disposed on the first body, and the second locking part is a second protrusion disposed on the second body. The locking bar engages with both the first protrusion and the second protrusion to prevent the first body and the second body from rotating.

6. The foldable keyboard according to claim 2, characterized in that, The first main body has a first rotating plate on the side near the second main body, and the first locking groove is disposed on the first rotating plate; the second main body has a second rotating plate on the side near the first main body, and the second locking groove is disposed on the second rotating plate. The base plate is provided with a fork-shaped component at its end, and both the first rotating plate and the second rotating plate are rotatably connected to the fork-shaped component.

7. The foldable keyboard according to claim 6, characterized in that, The folding assembly further includes a first movable page and a second movable page, which are rotatably connected to both sides of the substrate, respectively. The first movable page is connected to the first main body to rotate synchronously with the first main body, and the second movable page is connected to the second main body to rotate synchronously with the second main body.

8. The foldable keyboard according to claim 2, characterized in that, The number of locking mechanisms is two, and the two locking mechanisms are respectively disposed at both ends of the substrate.

9. The foldable keyboard according to claim 3, characterized in that, Both the first body and the second body are provided with foot pads, and the foot pads are configured such that their extension height is greater than the extension height of the operating part.

10. The foldable keyboard according to any one of claims 2-9, characterized in that, The locking bar is made of metal.

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