Protective sleeve with keyboard

Abstract

The utility model relates to the technical field of tablet personal computers, in particular to a protective sleeve with a keyboard. Comprising a keyboard plate assembly, a connecting plate assembly, a first rotating assembly and a second rotating assembly, and the keyboard plate assembly comprises a keyboard plate and two fixing pieces; the connecting plate assembly comprises a first connecting plate, a second connecting plate and a rotating piece arranged on the second connecting plate, and the rotating piece is rotationally connected with the fixing piece. The first rotating assembly comprises a rotating shaft and a damping piece, and a first stopping part on the rotating shaft abuts against a second stopping part on the damping piece so as to limit the rotating range of the rotating shaft; the second rotating assembly comprises a rotating rod and a plurality of connecting pieces which are rotationally connected, the connecting pieces are arranged on the first connecting plate and the second connecting plate, and limiting protrusions are arranged on the connecting pieces to limit the rotating range of the first connecting plate relative to the second connecting plate. The problems that in the prior art, the use state of a protective sleeve with a keyboard is single and fixed, and flexibility and applicability are poor are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tablet computers, in particular to a protective cover with a keyboard. Background Art

[0002] With the development of social economy and science and technology, tablet computers have become more and more popular. Traditional tablet computers all use touch screens to perform various operations, but in some specific situations, such as when displaying products, connecting to a monitor to perform slide presentations, etc., a keyboard is required for operation.

[0003] A keyboard case is a peripheral device for tablet computers. It protects the tablet in daily life and can also be connected to the tablet to serve as a keyboard when needed. A keyboard case typically includes a keyboard plate and a connecting plate that are rotatable relative to each other. The tablet connects to the keyboard case via the connecting plate.

[0004] The connecting plate in existing keyboard-equipped protective covers typically consists of two halves, which are typically bent to adjust their angle and position. Furthermore, the connecting plate's rotational range relative to the keyboard panel is uncontrollable, preventing it from stopping at a desired angle. This results in a relatively limited and fixed usage state for the keyboard-equipped protective cover, preventing it from being freely adjusted or combined according to user needs. This results in limited applicability and flexibility for the keyboard-equipped protective cover. Utility Model Content

[0005] The technical problem to be solved by the embodiments of the present invention is to provide a protective cover with a keyboard to solve the problem that the protective cover with a keyboard in the prior art has a relatively single and fixed usage state, resulting in poor flexibility and applicability.

[0006] The utility model discloses a protective sleeve with keyboard, include: keyboard board subassembly, connecting plate subassembly, first rotation subassembly and second rotation subassembly, keyboard board subassembly includes keyboard board and be located keyboard board one side's two fixed parts, two fixed parts same side opposite setting, connecting plate subassembly includes rotation connection's first connecting plate and second connecting plate and be located second connecting plate deviates first connecting plate one side's rotation part, rotation part's opposite two ends respectively with two fixed part rotation connection, rotation part with fixed part passes through first rotation subassembly rotation connection, first rotation subassembly includes rotation axis and damper, rotation axis one end rotation part clamping connection, the other end with damper rotation connection, damper with fixed part clamping connection, damper passes through rotation axis and rotation part and resists, to make rotation part relative fixed part's rotation process has damping force, be equipped with first stop on rotation axis, be equipped with second stop on damper, first stop can in rotation axis relative damper rotation's process with second stop and resists, to limit second connecting plate relative keyboard board's rotation range is 0 to 150, first connecting plate with second connecting plate passes through second rotation subassembly rotation connection, second rotation subassembly includes rotation rod and several connecting pieces, connecting piece sets up first connecting plate is to second connecting plate one side and second connecting plate is to first connecting plate one side, rotation rod passes through several connecting pieces in proper order and with connecting piece rotation connection, be equipped with limit protrusion on connecting piece, the limit protrusion of adjacent two connecting pieces corresponds to set up, wherein limit protrusion can in first connecting plate relative second connecting plate rotation's process with another limit protrusion and resists, to limit first connecting plate relative second connecting plate's rotation range is 0 to 120.

[0007] Exemplarily, the protective sleeve with keyboard has a first state when the first connecting plate is rotated by 45 degrees relative to the second connecting plate, and the second connecting plate is rotated by 90 degrees relative to the keyboard plate, the first connecting plate and the second connecting plate are kept coplanar, a second state when the second connecting plate is rotated by 120 degrees relative to the keyboard plate, and the first connecting plate and the second connecting plate are kept coplanar, and a third state when the second connecting plate is arranged parallel to the keyboard plate.

[0008] Optionally, the connecting piece comprises a rotating sleeve and a mounting sheet connected to each other, the first connecting plate and the second connecting plate are respectively provided with a plurality of mounting grooves on opposite sides thereof, the mounting sheet is arranged in the mounting groove, the rotating shaft is rotationally connected with the rotating sleeve, and the limit protrusion is arranged on the rotating sleeve.

[0009] Optionally, the rotating member is provided with a first clamping hole, one end of the rotating shaft is clamped and connected with the first clamping hole, one side of the fixing member facing the rotating member is provided with a second clamping hole, the damping member is clamped and connected with the second clamping hole, the first rotating assembly further comprises a compression gasket and a nut, the nut is fixedly connected with one end of the rotating shaft penetrating the damping member, the compression gasket is arranged between the nut and the damping member, the rotating shaft is rotationally connected with the compression gasket, and opposite sides of the compression gasket are respectively abutted with the nut and the damping member.

[0010] Optionally, the damping member is provided with a first positioning surface, the second clamping hole is provided with a second positioning surface corresponding to the first positioning surface, one side of the rotating shaft facing the first clamping hole is provided with a third positioning surface, and the first clamping hole is provided with a fourth positioning surface corresponding to the third positioning surface, the first positioning surface is abutted with the second positioning surface, and the second positioning surface is abutted with the fourth positioning surface.

[0011] Optionally, the first stop portion comprises an abutting disc and a first arc-shaped protrusion connected with each other, the first arc-shaped protrusion is arranged on one side of the abutting disc facing the damping member, the second stop portion comprises an abutting surface and a second arc-shaped protrusion arranged on an outer circle of the abutting surface, one side of the abutting disc is abutted with the rotating member, the other side is abutted with the second arc-shaped protrusion, and the first arc-shaped protrusion is abutted with the abutting surface, so that the first arc-shaped protrusion can be abutted with the second arc-shaped protrusion in the process that the rotating shaft rotates relative to the damping member.

[0012] Optionally, the keyboard plate comprises a top shell and a bottom surface connected with each other, the keyboard is arranged on the top shell, the top shell is provided with a through slot corresponding to the fixing member, the fixing member comprises a connecting piece and a fixing table connected with each other, the second clamping hole is located on the fixing table, and the connecting piece is fixedly connected with the top shell penetrating the through slot.

[0013] Optionally, the rotating member comprises a boss and a clamping sleeve connected with each other, the first clamping hole is arranged on the clamping sleeve, one side of the second connecting plate away from the first connecting plate is provided with an extension table, the extension table is provided with a clamping groove corresponding to the boss, and the boss is clamped and connected with the clamping groove.

[0014] Optionally, the boss is provided with a containing cavity, the containing cavity is provided with a first magnetic member, and the clamping groove is provided with a second magnetic member corresponding to the first magnetic member.

[0015] Optionally, a plurality of limiting grooves are arranged on one side of the first connecting plate facing the keyboard plate, and the limiting grooves are provided with third magnetic members.

[0016] Optionally, the protective sleeve with keyboard further comprises a decoration piece, which is arranged between the two fixing pieces and at the bottom of the rotating piece, and a plurality of positioning protrusions are arranged on the decoration piece, and a plurality of positioning grooves corresponding to the positioning protrusions are arranged on the fixing pieces, and the positioning grooves are detachably connected with the positioning protrusions, and a supporting surface is arranged at the bottom of the decoration piece, and the plane of the supporting surface is coplanar with the plane of the bottom surface.

[0017] Compared with the prior art, the protective sleeve with the keyboard has the beneficial effects that the connecting plate assembly and the keyboard plate assembly are rotationally connected through the first rotation assembly, so that a user can conveniently operate the tablet computer through the keyboard. The rotating piece in the connecting plate assembly and the two fixing pieces in the keyboard plate assembly are provided with the first rotation assembly, so that the rotating piece can rotate relative to the two fixing pieces. One end of the rotating shaft is clamped with the rotating piece, the other end is rotationally connected with the damping piece, and the damping piece is clamped with the fixing piece. Therefore, when the rotating shaft rotates relative to the damping piece, the damping piece does not rotate with the rotating shaft, and can drive the rotating piece at the other end of the rotating shaft to rotate together, so that the rotating relationship between the rotating piece and the fixing piece is realized. Meanwhile, the damping piece is abutted with the rotating piece through the rotating shaft, so that the friction between the rotating shaft and the rotating piece is increased, thereby providing the damping force when the rotating shaft drives the rotating piece to rotate, so that the rotating piece can be relatively fixed at the required position in the process of relative rotation with the fixing piece. The first stop portion is arranged on the rotating shaft, and is used for limiting the rotation range of the rotating shaft by cooperating with the second stop portion on the damping piece. In the process of relative rotation of the rotating shaft and the damping piece, the first stop portion can abut against the second stop portion, so as to achieve the effect of stopping the rotating shaft, so as to limit the rotation range of the rotating shaft. When the required position is adjusted, the tablet computer and the connecting plate assembly can be fixed relative to the keyboard plate assembly, so that the rotation range of the second connecting plate relative to the keyboard plate is limited to 0°-150°. The first connecting plate and the second connecting plate in the connecting plate assembly can be rotationally connected through the second rotation assembly, and the connecting rod passes through a plurality of connecting pieces in sequence to rotationally connect the first connecting plate and the second connecting plate. The limiting protrusions of the connecting pieces are correspondingly arranged on the connecting pieces, so that the limiting protrusions of the two connecting pieces can abut against each other in the process of relative rotation of the first connecting plate and the second connecting plate, so as to limit the rotation range between the first connecting plate and the second connecting plate. Therefore, the rotation range of the first connecting plate relative to the second connecting plate is 0°-120°. Therefore, in the actual use process, the user can adjust the relative angle and position between the first connecting plate and the second connecting plate by adjusting the second rotation assembly, so as to control the angle and position of the tablet computer. Meanwhile, the relative position and angle between the connecting plate assembly and the keyboard plate assembly can be controlled by adjusting the first rotation assembly. Therefore, in the actual use process, the user can freely combine the rotation range of the first rotation assembly and the rotation range of the second rotation assembly according to personal needs, so as to form various use states. For example, when the first connecting plate rotates 45 degrees relative to the second connecting plate, and the second connecting plate rotates 90° relative to the keyboard plate in the first state, the first connecting plate and the second connecting plate are coplanar, and the second connecting plate rotates 120° relative to the keyboard plate in the second state, and the first connecting plate and the second connecting plate are coplanar, and the second connecting plate is parallel to the keyboard plate in the third state.The setting mode is convenient for the user to adjust the tablet computer to a position and an angle required by the user, so as to meet different use scenarios and requirements of the user and facilitate the operation of the user. To some extent, the use mode of the protective sleeve with the keyboard is enriched, and the use flexibility and application range of the protective sleeve with the keyboard are improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The technical scheme of the utility model will be described further in detail below with reference to the drawings and embodiments, wherein:

[0019] Figure 1 is the schematic view of the protective sleeve with the keyboard provided by the utility model embodiment;

[0020] Figure 2 is the exploded schematic view of the protective sleeve with the keyboard provided by the utility model embodiment;

[0021] Figure 3 is the schematic view of the first rotating assembly provided by the utility model embodiment;

[0022] Figure 4 is the schematic view of the first rotating assembly, the fixing piece and the rotating piece provided by the utility model embodiment;

[0023] Figure 5 is the schematic view of the connecting plate assembly, the second rotating assembly and the rotating piece provided by the utility model embodiment;

[0024] Figure 6 is the schematic view of the connecting piece provided by the utility model embodiment

[0025] Figure 7 is the schematic view of the second connecting plate and the rotating piece provided by the utility model embodiment;

[0026] Figure 8 is the schematic view of the rotating shaft provided by the utility model embodiment;

[0027] Figure 9 is the schematic view of the damping piece provided by the utility model embodiment;

[0028] Figure 10 is the schematic view of the damping piece and the rotating piece provided by the utility model embodiment;

[0029] Figure 11 is the schematic view of the fixing piece provided by the utility model embodiment;

[0030] Figure 12 is the schematic view of the accommodating cavity and the first magnetic piece provided by the utility model embodiment;

[0031] Figure 13 is the schematic view of the keyboard plate provided by the utility model embodiment;

[0032] Figure 14 is a schematic view of the keyboard plate, the decoration piece and the fixing piece provided by the embodiment of the utility model;

[0033] Figure 15 is a schematic view of the decoration piece and the fixing piece provided by the embodiment of the utility model;

[0034] Figure 16 is a support mode schematic view of the connecting plate assembly provided by the embodiment of the utility model;

[0035] Figure 17 is a handwriting mode schematic view of the connecting plate assembly provided by the embodiment of the utility model.

[0036] The various reference signs in the drawings are as follows:

[0037] 1000, protective sleeve with keyboard; 100, keyboard plate assembly; 101, keyboard plate; 1011, top shell; 10111, through slot; 1012, bottom surface; 102, fixing piece; 1021, connecting sheet; 1022, fixing table; 1023, second clamping hole; 10231, second positioning surface; 1024, positioning groove; 200, connecting plate assembly; 201, first connecting plate; 2011, mounting groove; 2012, limiting groove; 202, second connecting plate; 2021, extension table; 20211, clamping groove; 203, rotating piece; 2031, boss; 20311, accommodating cavity; 20312, first magnetic piece; 2032, clamping sleeve; 20321, limiting plate; 2033, first clamping hole; 20331, fourth positioning surface; 300, first rotating assembly; 301, rotating shaft; 3011, first stop portion; 30111, abutting disc; 30112, first arc-shaped protrusion; 3012, third positioning surface; 302, damping piece; 3021, second stop portion; 30211, abutting surface; 30212, second arc-shaped protrusion; 3022, first positioning surface; 303, compression gasket; 304, nut; 400, second rotating assembly; 401, rotating rod; 402, connecting piece; 4021, rotating sleeve; 40211, limiting bump; 4022, mounting sheet; 500, decoration piece; 501, positioning protrusion; 502, support surface. DETAILED DESCRIPTION

[0038] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0039] The embodiment of the utility model provides a protective sleeve 1000 with keyboard, such as Figures 1-6As shown, the protective sleeve 1000 with the keyboard comprises a keyboard plate assembly 100, a connecting plate assembly 200, a first rotating assembly 300 and a second rotating assembly 400. The keyboard plate assembly 100 comprises a keyboard plate 101 and two fixing members 102 arranged on one side of the keyboard plate 101. The two fixing members 102 are arranged opposite to each other on the same side. The connecting plate assembly 200 comprises a first connecting plate 201 and a second connecting plate 202 rotatably connected, and a rotating member 203 arranged on the side of the second connecting plate 202 away from the first connecting plate 201. The opposite ends of the rotating member 203 are rotatably connected with the two fixing members 102, respectively. The rotating member 203 and the fixing member 102 are rotatably connected through the first rotating assembly 300. The first rotating assembly 300 comprises a rotating shaft 301 and a damping member 302. One end of the rotating shaft 301 is engaged with the rotating member 203, and the other end is rotatably connected with the damping member 302. The damping member 302 is engaged with the fixing member 102. The damping member 302 abuts against the rotating member 203 through the rotating shaft 301, so that the rotating member 203 has a damping force in the process of rotating relative to the fixing member 102. A first stop portion 3011 is arranged on the rotating shaft 301, and a second stop portion 3021 is arranged on the damping member 302. The first stop portion 3011 can abut against the second stop portion 3021 in the process of rotating the rotating shaft 301 relative to the damping member 302, so as to limit the rotating range of the second connecting plate 202 relative to the keyboard plate 101 to 0°-150°. The first connecting plate 201 and the second connecting plate 202 are rotatably connected through the second rotating assembly 400. The second rotating assembly 400 comprises a rotating rod 401 and a plurality of connecting members 402. The connecting members 402 are arranged on the side of the first connecting plate 201 facing the second connecting plate 202, and on the side of the second connecting plate 202 facing the first connecting plate 201. The rotating rod 401 passes through the plurality of connecting members 402 in sequence and is rotatably connected with the connecting members 402. Limiting protrusions 40211 are arranged on the connecting members 402. The limiting protrusions 40211 of adjacent two connecting members 402 are arranged correspondingly. One limiting protrusion 40211 can abut against another limiting protrusion 40211 in the process of rotating the first connecting plate 201 relative to the second connecting plate 202, so as to limit the rotating range of the first connecting plate 201 relative to the second connecting plate 202 to 0°-120°. The protective sleeve 1000 with the keyboard has a first state that the first connecting plate 201 is rotated by 45 degrees relative to the second connecting plate 202, and the second connecting plate 202 is rotated by 90° relative to the keyboard plate 101, the first connecting plate 201 and the second connecting plate 202 are coplanar, and a second state that the first connecting plate 201 and the second connecting plate 202 are coplanar, and the second connecting plate 202 is rotated by 120° relative to the keyboard plate 101, and a third state that the first connecting plate 201 and the second connecting plate 202 are coplanar, and the second connecting plate 202 is arranged parallel to the keyboard plate 101.

[0040] The connecting plate assembly 200 and the keyboard plate assembly 100 are rotationally connected through the first rotation assembly 300 to facilitate the user to operate the tablet computer through the keyboard. The first rotation assembly 300 is arranged between the rotating piece 203 in the connecting plate assembly 200 and the two fixed pieces 102 in the keyboard plate assembly 100 to realize the rotation of the rotating piece 203 relative to the two fixed pieces 102. One end of the rotating shaft 301 is clamped and connected with the rotating piece 203, and the other end is rotationally connected with the damping piece 302, and the damping piece 302 is clamped and connected with the fixed piece 102, so that when the rotating shaft 301 rotates relative to the damping piece 302, the damping piece 302 does not rotate with the rotating shaft 301, and can drive the rotating piece 203 at the other end of the rotating shaft 301 to rotate together, to ensure that the rotating relationship between the rotating piece 203 and the fixed piece 102 is realized. At the same time, the damping piece 302 can also resist the rotating piece 203 through the rotating shaft 301, so that the friction between the rotating shaft 301 and the rotating piece 203 increases, thereby providing damping force when the rotating shaft 301 drives the rotating piece 203 to rotate, so that the rotating piece 203 can be relatively fixed at the required position during relative rotation with the fixed piece 102. The first stop 3011 is arranged on the rotating shaft 301 to limit the rotation range of the rotating shaft 301 by cooperating with the second stop 3021 on the damping piece 302. During the rotation of the rotating shaft 301 relative to the damping piece 302, the first stop 3011 can abut against the second stop 3021, thereby achieving the effect of stopping the rotating shaft 301 to limit the rotation range of the rotating shaft 301, and when adjusted to the required position, the tablet computer and the connecting plate assembly 200 can be fixed relative to the keyboard plate assembly 100, so the rotation range of the second connecting plate 202 relative to the keyboard plate 101 is limited to 0°-150°. The first connecting plate 201 and the second connecting plate 202 in the connecting plate assembly 200 can be rotationally connected through the second rotation assembly 400, and the connecting rod passes through a plurality of connecting pieces 402 in sequence to rotationally connect the first connecting plate 201 and the second connecting plate 202. The limiting protrusions 40211 are arranged on the connecting pieces 402, and the limiting protrusions 40211 of adjacent two connecting pieces 402 are arranged correspondingly, so that during the rotation of the first connecting plate 201 relative to the second connecting plate 202, the limiting protrusions 40211 can abut against each other to limit the rotation range between the first connecting plate 201 and the second connecting plate 202, so the rotation range of the first connecting plate 201 relative to the second connecting plate 202 is 0°-120°. Therefore, during actual use, the user can adjust the relative angle and position between the first connecting plate 201 and the second connecting plate 202 by adjusting the second rotation assembly 400 to control the angle and position of the tablet computer. At the same time, the relative position and angle between the connecting plate assembly 200 and the keyboard plate assembly 100 can also be controlled by adjusting the first rotation assembly 300.Therefore, in actual use, the user can freely combine the rotation ranges of the first rotation assembly 300 and the second rotation assembly 400 according to personal needs to form various use states. For example, in a first state in which the first connecting plate 201 rotates 45° relative to the second connecting plate 202 and the second connecting plate 202 rotates 90° relative to the keyboard plate 101, the first connecting plate 201 and the second connecting plate 202 remain coplanar, in a second state in which the second connecting plate 202 rotates 120° relative to the keyboard plate 101, and in a third state in which the first connecting plate 201 and the second connecting plate 202 remain coplanar and the second connecting plate 202 is arranged in parallel to the keyboard plate 101. The above arrangement facilitates the user to adjust the tablet computer to a position and an angle required by the user to meet different use scenarios and needs of the user and facilitate the operation of the user. To some extent, the above arrangement enriches the use mode of the protective sleeve 1000 with the keyboard and improves the use flexibility and the application range of the protective sleeve 1000 with the keyboard.

[0041] Specifically, the rotating piece 203 is connected with the second connecting plate 202, the fixing piece 102 is connected with the keyboard plate 101, and the rotating piece 203 is rotationally connected with the fixing piece 102 through the first rotation assembly 300, so that the connecting plate assembly 200 can rotate relative to the keyboard plate assembly 100. The first connecting plate 201 and the second connecting plate 202 are rotationally connected through the second rotation assembly 400. One end of the rotating shaft 301 is clamped and connected with the rotating piece 203, and the other end is rotationally connected with the damping piece 302, to ensure the stability of the rotation connection between the keyboard plate assembly 100 and the connecting plate assembly 200.

[0042] Specifically, in the first rotation assembly 300, the damping piece 302 is in abutment with the rotating piece 203 through the rotating shaft 301, so that the friction between the damping piece 302 and the rotating piece 203 is increased, thereby providing a damping effect when the rotating piece 203 rotates relative to the fixing piece 102, and the rotating shaft 301 is limited in position during the rotation of the rotating shaft 301 relative to the damping piece 302. This avoids sudden movement or shaking of the rotating shaft 301 relative to the damping piece 302 and improves the stability of the first rotation assembly 300 during rotation. The cooperation and abutment between the first stop 3011 and the second stop 3021 can limit the rotation range of the rotating shaft 301, ensure that the connecting plate assembly 200 moves within a preset angle range, and limit the rotation range of the second rotation assembly 400 through the limiting protrusion 40211 on the connecting piece 402, so that the first connecting plate 201 and the second connecting plate 202 rotate within a preset range, and the over-rotation or under-rotation between the connecting plate assembly 200 and the keyboard plate assembly 100 and between the first connecting plate 201 and the second connecting plate 202 is avoided.

[0043] Reference Figure 2 and Figure 5The connecting piece 402 comprises a rotating sleeve 4021 and a mounting plate 4022 connected with each other, the first connecting plate 201 and the second connecting plate 202 are respectively provided with a plurality of mounting grooves 2011 on opposite sides thereof, the mounting plate 4022 is arranged in the mounting groove 2011, the rotating shaft 301 is rotationally connected with the rotating sleeve 4021, and a limiting protrusion 40211 is arranged on the rotating sleeve 4021.

[0044] The rotating rod 401 is rotationally connected with the rotating sleeve 4021, and the first connecting plate 201 and the second connecting plate 202 are rotationally connected with the rotating rod 401 through the rotating sleeve 4021. The connecting piece 402 is fixedly connected with the mounting grooves 2011 on the first connecting plate 201 and the second connecting plate 202 through the mounting plate 4022, so as to ensure the stability of the connecting piece 402 on the first connecting plate 201 and the second connecting plate 202. Meanwhile, the first connecting plate 201 and the second connecting plate 202 are rotationally connected with the rotating rod 401 through the connecting piece 402, so as to avoid the direct contact between the first connecting plate 201 and the second connecting plate 202 and the rotating rod 401, and to avoid the abrasion and scratching caused by the long-time rotation of the first connecting plate 201 and the second connecting plate 202 with the rotating rod 401, thereby improving the durability and service life of the connecting plate assembly 200.

[0045] Specifically, the mounting plate 4022 is connected with the mounting grooves 2011 of the first connecting plate 201, and the mounting plate is connected with the mounting grooves 2011 of the second connecting plate 202, so as to increase the connection area of the connecting piece 402 with the first connecting plate 201 or the second connecting plate 202, to reduce the possibility of loosening or falling off of the connecting piece 402, to ensure the stability and reliability of the connecting plate assembly 200, and to help improve the reliability of the protective sleeve 1000 with the keyboard.

[0046] Specifically, the limiting protrusion 40211 is arranged on the rotating sleeve 4021, so that when the two connecting pieces 402 connected with each other rotate relative to each other, the corresponding two limiting protrusions 40211 adjacent to each other can abut each other due to the rotation, so as to limit the rotation range between the first connecting plate 201 and the second connecting plate 202.

[0047] Reference Figure 2 and Figure 3The rotating member 203 is provided with a first clamping hole 2033, one end of the rotating shaft 301 is clamped and connected with the first clamping hole 2033, the side of the fixing member 102 facing the rotating member 203 is provided with a second clamping hole 1023, the damping member 302 is clamped and connected with the second clamping hole 1023, the first rotating assembly 300 further comprises a compression gasket 303 and a nut 304, the nut 304 is fixedly connected with one end of the rotating shaft 301 penetrating through the damping member 302, the compression gasket 303 is arranged between the nut 304 and the damping member 302, the rotating shaft 301 is rotationally connected with the compression gasket 303, and opposite sides of the compression gasket 303 are respectively abutted with the nut 304 and the damping member 302.

[0048] The nut 304 is fixedly connected with one end of the rotating shaft 301 penetrating through the damping member 302, the nut 304 has a fastening and limiting effect on the damping member 302, so that the rotating shaft 301 is prevented from loosening or shaking relative to the damping member 302 or even sliding out of the damping member 302 during rotation relative to the damping member 302, thereby improving the stability of the first rotating assembly 300. The compression gasket 303 is arranged between the nut 304 and the damping member 302, and the two ends of the compression gasket 303 are respectively abutted with the damping member 302 and the nut 304. The compression gasket 303 can respectively apply pressure to the damping member 302 and the nut 304, so that the structural strength of the entire first rotating assembly 300 is higher, and the connection between the components of the first rotating assembly 300 is more stable. In actual use, one end of the rotating shaft 301 is clamped and connected with the rotating member 203 through the first clamping hole 2033, the other end is rotationally connected with the damping member 302, and the damping member 302 is clamped and connected with the fixing member 102 through the second clamping hole 1023. After the two ends of the rotating shaft 301 are respectively connected with the rotating member 203 and the fixing member 102, because the position of the nut 304 relative to the rotating shaft 301 is fixed, the force of the compression gasket 303 on the nut 304 will act on the compression gasket 303 itself, and the abutting force of the compression gasket 303 on the damping member 302 and the reaction force of the nut 304 on the compression gasket 303 can force the damping member 302 to press towards the rotating member 203, so that the abutting effect of the damping member 302 and the rotating member 203 is more compact, thereby increasing the friction between the damping member 302 and the rotating member 203, and finally realizing the damping effect during relative rotation of the rotating member 203 and the fixing member 102.

[0049] Specifically, the compression gasket 303 can enhance the pressure of the damping member 302, further improve the damping effect of the damping member 302, make the rotation process more stable, avoid sudden movement or shaking of the rotating member 203, and improve the stability and user experience of the protective sleeve with the keyboard.

[0050] Specifically, the rotating connection design of the rotating shaft 301 and the compression gasket 303 can make the rotating process of the rotating shaft 301 more smooth, reduce unnecessary friction, improve the smoothness of the rotating shaft 301, and make the user more convenient to operate the protective sleeve 1000 with a keyboard.

[0051] Specifically, in actual use, the position of the adjusting nut 304 on the rotating shaft 301 can be adjusted to adjust the pressure of the compression gasket 303, so as to adjust the pressure of the damping member 302, and finally realize precise control of the damping force during rotation, meet different use requirements of users, and improve the flexibility and application range of the protective sleeve 1000 with a keyboard.

[0052] Reference Figures 8 to 11 The damping member 302 is provided with a first positioning surface 3022, the second clamping hole 1023 is provided with a second positioning surface 10231 corresponding to the first positioning surface 3022, one side of the rotating shaft 301 facing the first clamping hole 2033 is provided with a third positioning surface 3012, and the first clamping hole 2033 is provided with a fourth positioning surface 20331 corresponding to the third positioning surface 3012. The first positioning surface 3022 abuts against the second positioning surface 10231, and the second positioning surface 10231 abuts against the fourth positioning surface 20331.

[0053] The damping member 302 is provided with a first positioning surface 3022, and the inner wall of the second clamping hole 1023 is provided with a second positioning surface 10231 corresponding to the first positioning surface 3022, so that the damping member 302 is clamped and connected with the second clamping hole 1023. When the rotating shaft 301 rotates relative to the damping member 302, the damping member 302 can not rotate with the rotating shaft 301 due to the abutment of the first positioning surface 3022 and the second positioning surface 10231, and the relative position of the damping member 302 and the fixed member 102 is fixed. One side of the rotating shaft 301 facing the first clamping hole 2033 is provided with a third positioning surface 3012, and the inner wall of the first clamping hole 2033 is provided with a fourth positioning surface 20331 corresponding to the third positioning surface 3012. Therefore, when the rotating shaft 301 is inserted into the first clamping hole 2033 on the side facing the rotating member 203, the third positioning surface 3012 can abut against the fourth positioning surface 20331 to position and limit the rotating shaft 301 and the rotating member 203, so that the rotating shaft 301 and the rotating member 203 are relatively fixed, and the rotating member 203 can rotate relative to the fixed member 102 following the rotating shaft 301.

[0054] Specifically, the cooperation between the first positioning surface 3022 and the second positioning surface 10231, as well as the cooperation between the fourth positioning surface 20331 and the third positioning surface 3012 can achieve precise alignment, ensuring that the damping member 302 and the second engaging hole 1023, as well as the rotating shaft 301 and the first engaging hole 2033 can be correctly positioned during installation, avoiding deviation or instability during the installation process, and improving the assembly accuracy of the protective cover 1000 with a keyboard.

[0055] Specifically, the abutment between the first positioning surface 3022 and the second positioning surface 10231 ensures that the damping member 302 is relatively fixed to the second engaging hole 1023, preventing the damping member 302 from accidentally loosening or falling off after being installed in the second engaging hole 1023. The abutment between the fourth positioning surface 20331 and the third positioning surface 3012 ensures that the rotating shaft 301 remains firmly in the first engaging hole 2033, preventing the rotating shaft 301 from accidentally loosening, falling off, or rotating after being installed in the first engaging hole 2033, thereby improving the overall stability and safety of the protective cover with keyboard 1000.

[0056] refer to Figure 3 、 Figure 8 and Figure 9 The first stop portion 3011 includes an abutment plate 30111 and a first arc-shaped protrusion 30112 that are connected to each other. The first arc-shaped protrusion 30112 is arranged on the side of the abutment plate 30111 facing the damping member 302. The second stop portion 3021 includes an abutment surface 30211 and a second arc-shaped protrusion 30212 arranged on the outer circle of the abutment surface 30211. One side of the abutment plate 30111 abuts against the rotating member 203, and the other side abuts against the second arc-shaped protrusion 30212. The first arc-shaped protrusion 30112 abuts against the abutment surface 30211, so that the first arc-shaped protrusion 30112 can abut against the second arc-shaped protrusion 30212 during the rotation of the rotating shaft 301 relative to the damping member 302.

[0057] One side of the abutting disc 30111 abuts against the rotating member 203, and the other side abuts against the second arc-shaped protrusion 30212 of the second stop portion 3021. The first arc-shaped protrusion 30112 abuts against the abutting surface 30211 of the second stop portion 3021, so that the damping member 302 abuts against the rotating member 203 through the abutment between the first stop portion 3011 and the second stop portion 3021, to provide a damping force during the rotation of the rotating member 203 relative to the fixing member 102. During the rotation of the rotating shaft 301 relative to the damping member 302, the first arc-shaped protrusion 30112 can abut against the second arc-shaped protrusion 30212, so as to limit the rotation range of the rotating shaft 301 relative to the damping member 302, to ensure that the rotating shaft 301 rotates within a preset angle range, to avoid over-limit rotation of the rotating shaft 301, to cause damage to the protective sleeve 1000 with a keyboard, and to improve the safety and use stability of the protective sleeve 1000 with a keyboard.

[0058] Specifically, the abutment between the first arc-shaped protrusion 30112 and the second arc-shaped protrusion 30212 during rotation can effectively prevent excessive rotation of the rotating shaft 301 relative to the damping member 302 during rotation, avoid damage to the rotating shaft 301 and the damping member 302 or cause unnecessary pressure, and also avoid the risk of accidental falling of the tablet computer on the connecting plate assembly 200, to ensure the use safety of the protective sleeve 1000 with a keyboard and prolong the service life of the protective sleeve 1000 with a keyboard.

[0059] Specifically, the two sides of the abutting disc 30111 abut against the second arc-shaped protrusion 30212 and the rotating member 203, respectively, and at the same time, the first arc-shaped protrusion 30112 abuts against the abutting surface 30211, which can enhance the damping force when the rotating shaft 301 drives the rotating member 203 to rotate, to ensure that the rotating shaft 301, the rotating member 203, the connecting plate assembly 200 and the tablet computer can stay after being rotated to a specific position, to avoid unnecessary shaking or loosening, to improve the overall stability of the protective sleeve 1000 with a keyboard, to avoid accidental situations caused by misoperation, and to protect the use safety of the tablet computer and the protective sleeve 1000 with a keyboard.

[0060] Reference Figure 11 and Figure 13 The keyboard plate 101 comprises a top shell 1011 and a bottom surface 1012 connected to each other, the keyboard is arranged on the top shell 1011, the top shell 1011 is provided with a through slot 10111 corresponding to the fixing member 102, the fixing member 102 comprises a connecting piece 1021 and a fixing table 1022 connected to each other, a second clamping hole 1023 is arranged on the fixing table 1022, and the connecting piece 1021 is fixedly connected to the top shell 1011 through the through slot 10111.

[0061] The connecting piece 1021 of the fixing piece 102 is used to pass through the through slot 10111 arranged on one side of the top shell 1011 and is fixedly connected with the top shell 1011. The through slot 10111 can play a limiting and positioning role on the connecting piece 1021 and the fixing piece 102, and can ensure that the position of the connecting piece 1021 connected with the top shell 1011 is accurate and correct, so as to avoid the movement or swing of the fixing piece 102 relative to the top shell 1011 in the use process, and improve the stability of the protective sleeve 1000 with the keyboard as a whole.

[0062] Specifically, the top shell 1011 is connected with the connecting piece 1021 through the through slot 10111, so as to avoid the interference or collision between the fixing table 1022 and the keyboard plate 101. The connecting piece 1021 can smoothly pass through the through slot 10111, so as to ensure the normal installation between the fixing piece 102 and the keyboard plate 101, and protect the keyboard plate 101 and the fixing piece 102 from being damaged.

[0063] Specifically, through the connection of the connecting piece 1021 and the top shell 1011, the structural stability of the protective sleeve 1000 with the keyboard is enhanced, and the stability and reliability of the protective sleeve 1000 with the keyboard are improved.

[0064] Reference Figure 5 、 Figure 7 and Figure 12 The rotating piece 203 comprises a boss 2031 and a clamping sleeve 2032 connected with each other, the first clamping hole 2033 is arranged on the clamping sleeve 2032, the extension table 2021 is arranged on the side of the second connecting plate 202 away from the first connecting plate 201, the clamping groove 20211 corresponding to the boss 2031 is arranged on the extension table 2021, the boss 2031 is clamped and connected with the clamping groove 20211, and the limiting plate 20321 corresponding to the side of the extension table 2021 facing the keyboard plate 101 is arranged on the clamping sleeve 2032, and the limiting plate 20321 abuts against the extension table 2021.

[0065] The boss 2031 can be clamped and connected with the extension table 2021, so that the installation between the rotating piece 203 and the second connecting plate 202 becomes more convenient, the quick positioning and assembly between the boss 2031 and the extension table 2021 can be realized, and the installation process is easier to align and fix, so that the installation steps are simplified, and the operability of the protective sleeve 1000 with the keyboard is improved.

[0066] Specifically, the boss 2031 and the clamping groove 20211 are clamped and connected, and the extension table 2021 and the rotating piece 203 can be conveniently and quickly connected or disconnected, so as to facilitate the connection and disassembly between the connecting plate assembly 200 and the keyboard plate 101. The user can flexibly disassemble and assemble the protective sleeve 1000 with the keyboard, and the flexibility and applicability of the protective sleeve 1000 with the keyboard are improved.

[0067] Further, with reference to Figure 7 In the embodiment, the limiting plate 20321 is arranged on the clamping sleeve 2032, and the limiting plate 20321 corresponds to the side of the extension platform 2021 facing the keyboard plate 101. Therefore, in the actual installation process, because of the corresponding relationship between the limiting plate 20321 and the side of the extension platform 2021, the user can easily identify the correct installation direction of the second connecting plate 202, so as to facilitate the user to install the second connecting plate 202 on the boss 2031 in the correct direction, avoid the incorrect installation direction of the second connecting plate 202, cause the protective sleeve 1000 with the keyboard to be unable to be normally used and damaged, and also reduce the required time for re-identifying the installation, and reduce the installation difficulty and time of the protective sleeve 1000 with the keyboard.

[0068] On the other hand, through the abutment between the limiting plate 20321 and the extension platform 2021, the connection area between the rotating part 203 and the extension platform 2021 can be increased, so that the connection between the rotating part 203 and the second connecting plate 202 is more firm and stable.

[0069] It should be noted that in the embodiment, the extension platform 2021 can abut against the bottom of the tablet computer, thereby providing stable support for the tablet computer, ensuring that the tablet computer is stably placed on the connecting plate assembly 200 during use, and increasing the stability and safety of the protective sleeve 1000 with the keyboard. The extension platform 2021 can help the connecting plate assembly 200 balance the weight of the tablet computer, and disperse the weight and pressure to the keyboard plate 101 and the desktop through the rotating part 203 and the fixing part 102, thereby reducing the pressure concentration on the connecting plate assembly 200, reducing the risk of damage, and prolonging the service life of the protective sleeve 1000 with the keyboard.

[0070] On the other hand, because the extension platform 2021 has a certain thickness, when the plane where the connecting plate assembly 200 is located is parallel to the plane where the keyboard plate assembly 100 is located, the second connecting plate 202 and the keyboard plate assembly 100 can have a preset interval due to the existence of the second connecting plate 202, and the preset interval is used to place the tablet computer, so that the influence of the over-limit rotation of the second connecting plate 202 on the tablet computer can be avoided to a certain extent, thereby playing a role in protecting the tablet computer to a certain extent.

[0071] It should be noted that the rotating relationship between the first connecting plate 201 and the second connecting plate 202 has the following use cases, the first case is that when the first connecting plate 201 and the second connecting plate 202 are in the same plane, and the connecting plate assembly 200 is connected with the keyboard plate assembly 100, the connecting plate assembly 200 can adjust the angle and position between the connecting plate assembly 200 and the keyboard plate assembly 100 through the rotating connection between the rotating part 203 and the fixing part 102, thereby facilitating the user to operate through the use of the keyboard plate assembly 100.

[0072] The second case is that when the connecting plate assembly 200 is connected with the keyboard plate assembly 100 through the fixing member 102 and the rotating member 203, the first connecting plate 201 is rotated at a certain angle relative to the second connecting plate 202, so that the user can freely adjust the angle and direction of the tablet computer connected to the first connecting plate 201 through the rotating connection between the keyboard plate assembly 100 and the connecting plate assembly 200 and the rotating connection between the first connecting plate 201 and the second connecting plate 202, and facilitate the user to use the tablet computer.

[0073] The third case is that the connecting plate assembly 200 is separated from the rotating member 203 through the clamping groove 20211 and the boss 2031, so that the connecting plate assembly 200 is separated from the keyboard plate assembly 100. At this time, the second connecting plate 202 is rotated relative to the first connecting plate 201, so that the second connecting plate 202 forms a certain angle with the tablet computer, and the bottom of the second connecting plate 202 and the tablet computer jointly complete the supporting action to support the connecting plate assembly 200 (as shown in Figure 16 At this time, it is the supporting mode of the connecting plate assembly 200, so that the tablet computer is in a vertical state, and the user can use the tablet computer only through the connecting plate assembly 200.

[0074] The fourth case is that the connecting plate assembly 200 is separated from the rotating member 203 through the clamping groove 20211 and the boss 2031, so that the connecting plate assembly 200 is separated from the keyboard plate assembly 100. At this time, the second connecting plate 202 is rotated relative to the first connecting plate 201, so that the second connecting plate 202 forms a certain angle with the first connecting plate 201, and the second connecting plate 202 and the first connecting plate 201 jointly complete the supporting action to support the tablet computer (as shown in Figure 17 At this time, it is the handwriting mode of the connecting plate assembly 200, so that the tablet computer is placed in a nearly horizontal manner, and the user can only perform handwriting or drawing operations on the tablet computer through the connecting plate assembly 200.

[0075] Reference Figure 12 The boss 2031 is provided with a containing cavity 20311, the containing cavity 20311 is provided with a first magnetic member 20312, and the clamping groove 20211 is provided with a second magnetic member corresponding to the first magnetic member 20312.

[0076] The boss 2031 can be connected with the extension table 2021 through clamping, the first magnetic member 20312 is arranged in the containing cavity 20311 of the boss 2031, and the second magnetic member is arranged in the clamping groove 20211, so that the first magnetic member 20312 and the second magnetic member are magnetically connected, which can further improve the connection strength between the boss 2031 and the extension table 2021, thereby enhancing the connection stability between the rotating member 203 and the second connecting plate 202.

[0077] The connection mode of the magnetic attraction connection between the first magnetic member 20312 and the second magnetic member can not only strengthen the connection strength between the boss 2031 and the extension platform 2021, but also make the installation between the rotating member 203 and the second connecting plate 202 more convenient. Because of the magnetic attraction force between the first magnetic member 20312 and the second magnetic member, the boss 2031 and the extension platform 2021 can be quickly positioned and assembled, and it is easier to align and fix during installation, which simplifies the installation steps and improves the operability of the protective cover 1000 with a keyboard.

[0078] Specifically, the above-mentioned magnetic attraction connection mode can increase the stability of the connection between the boss 2031 and the extension platform 2021. The magnetic attraction force can help maintain the position between the second connecting plate 202 and the rotating member 203, prevent accidental movement or swing, and ultimately strengthen the stability of the protective cover 1000 with a keyboard during use.

[0079] It should be noted that the second magnetic member can be arranged in the card slot 20211 to be magnetically attracted to the first magnetic member 20312 in the boss 2031, and a magnetically attractable metal can also be arranged in the card slot 20211 to be magnetically attracted to the first magnetic member 20312. In addition to the above-mentioned arrangement mode, the extension platform 2021 can also be made of a magnetically attractable metal material, so that the first magnetic member 20312 in the boss 2031 is directly magnetically attracted to the extension platform 2021. The magnetically attractable metal material includes iron, nickel, cobalt, and steel.

[0080] Reference Figure 5 The first connecting plate 201 is provided with a plurality of limiting grooves 2012 on the side surface facing the keyboard plate 101, and a third magnetic member is arranged in each limiting groove 2012.

[0081] The first connecting plate 201 is provided with a plurality of limiting grooves 2012 on the side surface facing the keyboard plate 101, and a third magnetic member is arranged in each limiting groove 2012.

[0082] Specifically, the third magnetic member enables the first connecting plate 201 and the tablet computer to be connected by magnetic force. The magnetic connection can not only maintain the stability of the connection between the protective cover with keyboard 1000 and the tablet computer, but also facilitate the installation and disassembly of the first connecting plate 201 and the tablet computer, thereby improving the easy-to-install-and-disassemble capability of the protective cover with keyboard 1000.

[0083] Specifically, the magnetic connection between the third magnetic member and the tablet computer can improve the safety of the connection. The magnetic connection is more secure and can effectively prevent accidental falling or loosening, thereby improving the stability and reliability of the protective cover with keyboard 1000.

[0084] It should be noted that the position of the limiting groove 2012 on the first connecting plate 201 corresponds to the metal or magnetically attractable area on the side of the tablet computer away from the screen. In this way, the number of third magnetic members can be reduced to lower the production cost, and the third magnetic members can avoid affecting the non-magnetically attractable area of the tablet computer.

[0085] With reference to Figure 14 and Figure 15 , the protective cover with keyboard 1000 further comprises a decorative member 500, which is arranged between the two fixing members 102 and at the bottom of the rotating member 203. The decorative member 500 is provided with a plurality of positioning protrusions 501, and the fixing member 102 is provided with a positioning groove 1024 corresponding to the positioning protrusions 501. The positioning groove 1024 and the positioning protrusions 501 are detachably connected. The bottom of the decorative member 500 is provided with a supporting surface 502, and the plane where the supporting surface 502 is located is coplanar with the plane where the bottom surface 1012 is located.

[0086] The decorative member 500 is used to shield and protect the first rotating assembly 300, so as to avoid the influence of the external environment on the first rotating assembly 300 and maintain the normal rotating function of the rotating shaft 301. On the other hand, the bottom of the decorative member 500 is provided with a supporting surface 502, which is coplanar with the plane where the bottom surface 1012 of the keyboard plate 101 is located. Therefore, the supporting property and stability of the keyboard plate assembly 100 can be improved, the contact area between the protective cover with keyboard 1000 and the desktop, platform or the like can be larger, and thus the protective cover with keyboard 1000 can be more stable during use. On the other hand, the decorative member 500 can make the appearance of the entire protective cover with keyboard 1000 more integrated and increase the appearance aesthetics.

[0087] Specifically, the fixing member 102 is provided with a positioning groove 1024 corresponding to the positioning protrusions 501 on the decorative member 500. The positioning protrusions 501 can be detachably connected with the positioning groove 1024, so that the installation and disassembly of the decorative member 500 relative to the fixing member 102 are more convenient and fast, and the time required for the installation of the decorative member 500 can be saved.

[0088] Specifically, the bottom surface 1012 of the decorative piece 500 is provided with a support surface 502, and the plane where the support surface 502 is located is coplanar with the plane where the bottom surface 1012 is located, which helps to provide stable support and uniform force for the protective cover 1000 with a keyboard, while making the protective cover 1000 with a keyboard more stable as a whole.

[0089] It should be understood that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Those skilled in the art may modify the technical solutions described in the above embodiments, or make equivalent replacements for some of the technical features therein; and all these modifications and replacements should fall within the scope of protection of the claims attached to the present invention.

Claims

1. A protective cover with a keyboard, characterized in that: include: A keyboard panel assembly, the keyboard panel assembly comprising a keyboard panel and two fixing members provided on one side of the keyboard panel, the two fixing members being provided opposite to each other on the same side; a connecting plate assembly comprising a first connecting plate and a second connecting plate rotatably connected, and a rotating member disposed on a side of the second connecting plate facing away from the first connecting plate, wherein opposite ends of the rotating member are respectively rotatably connected to the two fixing members; a first rotating assembly, wherein the rotating member and the fixed member are rotatably connected via the first rotating assembly, the first rotating assembly comprising a rotating shaft and a damping member, one end of the rotating shaft being engaged with the rotating member and the other end being rotatably connected to the damping member, the damping member being engaged with the fixed member, the damping member being abutted against the rotating member via the rotating shaft so as to provide a damping force during the rotation of the rotating member relative to the fixed member, the rotating shaft being provided with a first stop portion, the damping member being provided with a second stop portion, the first stop portion being able to abut against the second stop portion during the rotation of the rotating shaft relative to the damping member, so as to limit the rotation range of the second connecting plate relative to the keyboard plate to 0° to 150°; The second rotating assembly, the first connecting plate and the second connecting plate are rotatably connected through the second rotating assembly, the second rotating assembly includes a rotating rod and several connecting parts, the connecting parts are provided on the side of the first connecting plate facing the second connecting plate, and the side of the second connecting plate facing the first connecting plate, the rotating rod passes through several of the connecting parts in sequence and is rotatably connected with the connecting parts, the connecting parts are provided with a limiting protrusion, and the limiting protrusions of two adjacent connecting parts are correspondingly arranged, wherein one of the limiting protrusions can be offset against the other limiting protrusion during the rotation of the first connecting plate relative to the second connecting plate, so as to limit the rotation range of the first connecting plate relative to the second connecting plate to 0° to 120°.

2. The protective cover with a keyboard according to claim 1, wherein: The connecting member includes a rotating sleeve and a mounting plate connected to each other. A plurality of mounting grooves are respectively provided on the opposite sides of the first connecting plate and the second connecting plate. The mounting plates are arranged in the mounting grooves. The rotating shaft is rotatably connected to the rotating sleeve, and the limiting protrusion is provided on the rotating sleeve.

3. The protective cover with a keyboard according to claim 1, wherein: The rotating member is provided with a first engaging hole, one end of the rotating shaft is engaged with the first engaging hole, the fixing member is provided with a second engaging hole on the side facing the rotating member, the damping member is engaged with the second engaging hole, the first rotating assembly also includes a clamping gasket and a nut, the nut is fixedly connected to the end of the rotating shaft passing through the damping member, the clamping gasket is provided between the nut and the damping member, the rotating shaft is rotatably connected to the clamping gasket, and the opposite sides of the clamping gasket are respectively against the nut and the damping member.

4. The protective cover with a keyboard according to claim 3, wherein: A first positioning surface is provided on the damping member, a second positioning surface corresponding to the first positioning surface is provided in the second engaging hole, a third positioning surface is provided on the side of the rotating shaft facing the first engaging hole, a fourth positioning surface corresponding to the third positioning surface is provided in the first engaging hole, the first positioning surface abuts against the second positioning surface, and the second positioning surface abuts against the fourth positioning surface.

5. The protective cover with a keyboard according to claim 1, wherein: The first stop portion includes an abutment plate and a first arc-shaped protrusion that are connected to each other. The first arc-shaped protrusion is arranged on the side of the abutment plate facing the damping member. The second stop portion includes an abutment surface and a second arc-shaped protrusion arranged on the outer circle of the abutment surface. One side of the abutment plate abuts against the rotating member, and the other side abuts against the second arc-shaped protrusion. The first arc-shaped protrusion abuts against the abutment surface so that the first arc-shaped protrusion can abut against the second arc-shaped protrusion during the rotation of the rotating shaft relative to the damping member.

6. The protective cover with a keyboard according to claim 3, wherein: The keyboard panel includes a top shell and a bottom surface connected to each other, the keyboard is arranged on the top shell, and a through groove corresponding to the fixing part is provided on the top shell. The fixing part includes a connecting piece and a fixing platform connected to each other, the second engaging hole is located on the fixing platform, and the connecting piece passes through the through groove and is fixedly connected to the top shell.

7. The protective cover with a keyboard according to claim 3, wherein: The rotating part includes a boss and a locking sleeve that are connected to each other. The first locking hole is provided on the locking sleeve. An extension platform is provided on the side of the second connecting plate facing away from the first connecting plate. A locking groove corresponding to the boss is provided on the extension platform. The boss is locked and connected with the locking groove. A limiting plate corresponding to the side of the extension platform facing the keyboard panel is also provided on the locking sleeve. The limiting plate is against the extension platform.

8. The protective cover with a keyboard according to claim 7, wherein: An accommodating cavity is provided in the boss, a first magnetic component is provided in the accommodating cavity, and a second magnetic component corresponding to the first magnetic component is provided in the slot.

9. The protective cover with a keyboard according to any one of claims 1 to 8, characterized in that: A plurality of limiting grooves are provided on a side surface of the first connecting plate facing the keyboard plate, and a third magnetic member is provided in the limiting grooves.

10. The protective cover with a keyboard according to claim 6, wherein: The protective cover with a keyboard also includes a decorative piece, which is arranged between the two fixed pieces and located at the bottom of the rotating piece. The decorative piece is provided with a plurality of positioning protrusions, and the fixed piece is provided with positioning grooves corresponding to the positioning protrusions. The positioning grooves and the positioning protrusions are detachably connected. The bottom of the decorative piece is provided with a supporting surface, and the plane where the supporting surface is located is coplanar with the plane where the bottom surface is located.

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