Tablet protection sleeve with keyboard and plug

Abstract

The utility model discloses a tablet protective sleeve with a keyboard and a plug, which comprises a tablet sleeve, a sliding channel is arranged on the back of the tablet sleeve, a sliding rail is arranged in the sliding channel, one end of a sliding strip is connected with the plug, and the other end of the sliding strip is in sliding fit with the sliding rail; the sliding strip slides on the sliding rail through an external load applied to the sliding strip, plugging or separation of the plug and the flat plate is achieved through sliding of the sliding strip on the sliding rail in the sliding channel, and in the plugging or separation process of the plug and the flat plate, the plug and a flat plate jack always keep a forward alignment angle. Therefore, the abrasion speed of the panel socket and the plug is reduced, and maintenance or replacement of the panel and / or the plug is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to computer accessories technical field, concretely is a kind of tablet protective cover with keyboard and plug. BACKGROUND

[0002] The current tablet cover with keyboard is all through the plug fixed on tablet cover to realize the electrical connection of tablet and keyboard;Since tablet protective cover has certain elasticity, in the use process, by exerting external load to tablet cover, make tablet cover produce certain degree of elastic deformation, to create surplus space for the insertion of tablet and plug, at this time, force the plug into tablet, and then realize the electrical connection of keyboard and tablet.

[0003] However, since plug is fixed on tablet cover, this connection mode leads to the connection of plug and tablet socket not in the right angle, but there is certain bevel angle, due to the influence of bevel angle, thereby causing the abrasion of tablet socket and plug to intensify when connecting, lead to the durability of connecting component to reduce, and then cause the frequent repair or replacement of tablet and / or plug.

[0004] Therefore, it is urgent to design a tablet cover with keyboard, and the plug on tablet cover can be connected with tablet from the right angle, so as not to cause abrasion damage to tablet socket, which becomes a problem to be solved. INVENTION CONTENTS

[0005] The utility model is to overcome the abrasion of tablet socket and plug to intensify in the process of connection, and then cause the frequent repair or replacement of tablet and / or plug, provide a kind of tablet protective cover with keyboard and plug, the plug of this product extends to the cavity of tablet placed by the wrapping edge of tablet cover, the back of tablet cover is equipped with sliding channel, sliding channel is equipped with slide rail, sliding channel is equipped with sliding bar, one end of sliding bar is fixedly connected with plug, and the other end is slidably connected with slide rail;When tablet needs to be placed in tablet cover, by the external load exerted on sliding bar, sliding bar slides left in sliding channel, to drive plug to separate from tablet cover, when plug completely separates from tablet cover, directly put tablet into tablet cover, at this time, plug and the socket of tablet are in right angle alignment state;Then, external load is exerted on sliding bar again, to make sliding bar slide right in sliding channel, to drive plug to insert tablet socket, realize the electrical connection of keyboard and tablet.

[0006] Through the above-mentioned component cooperation connection mode of plug and tablet, whether plug is taken out from tablet or inserted into tablet, plug and tablet socket always maintain the angle of right alignment, thereby reduce the abrasion speed of tablet socket and plug, avoid the problem of frequent repair or replacement of tablet and / or plug.

[0007] Further, the back of the tablet sleeve is hingedly connected with a support plate, and a limiting plate is fixedly connected below the support plate, and a flexible connecting leather is arranged on the bottom edge of the limiting plate and extends into the keyboard shell to be fixedly connected with the keyboard.

[0008] When the user needs to use the tablet in the tablet sleeve at a predetermined angle, the tablet sleeve is rotated to the predetermined angle, and then the support plate is rotated to be stably supported, so that the tablet can be kept at the predetermined position for the user to use.

[0009] The present application provides a tablet protective sleeve with a keyboard and a plug, comprising:

[0010] The back of the tablet sleeve is hingedly connected with a support plate, and a limiting plate is fixedly connected below the support plate, and a flexible connecting leather is arranged on the bottom edge of the limiting plate and extends into the keyboard shell to be fixedly connected with the keyboard.

[0011] The plug extends through the wrapping edge into the cavity of the tablet sleeve for placing the tablet.

[0012] The back of the tablet sleeve is further provided with a sliding channel, and a sliding rail is arranged in the sliding channel.

[0013] The sliding strip is arranged on the sliding channel, one end of the sliding strip is fixedly connected with the plug, and the other end of the sliding strip is in sliding cooperation with the sliding rail.

[0014] The plug is inserted into the socket of the tablet computer by sliding the sliding strip on the sliding rail.

[0015] Further, the sliding strip comprises a horizontal sliding strip, a vertical sliding strip arranged on the right side of the horizontal sliding strip, a first sliding sheet and a second sliding sheet arranged on the right side of the vertical sliding strip.

[0016] The head of the horizontal sliding strip is perpendicularly connected with the vertical sliding strip, the second sliding sheet is perpendicularly connected with the tail of the vertical sliding strip, and the first sliding sheet is arranged above the second sliding sheet and perpendicularly connected with the vertical sliding strip.

[0017] The sliding channel comprises a first horizontal sliding channel, a vertical sliding channel arranged below the right side of the first horizontal sliding channel, and a second horizontal sliding channel arranged below the right side of the vertical sliding channel.

[0018] The first horizontal sliding channel is arranged on the back of the tablet sleeve and is in communication with the channel opening at the top of the vertical sliding channel, and the second horizontal sliding channel is in communication with the channel opening at the bottom of the vertical sliding channel and is wrapped by the limiting plate.

[0019] The slide rail is arranged in the second horizontal sliding channel, the horizontal sliding strip is arranged on the first horizontal sliding channel, the vertical sliding strip is arranged on the vertical sliding channel, and the first sliding piece and the second sliding piece are slidably connected with the rails on the upper and lower sides of the slide rail.

[0020] Further, the back of the horizontal sliding strip is further provided with an anti-skid rod.

[0021] Further, the back of the flexible connecting skin is further fixedly connected with a rigid limiting strip.

[0022] Further, the support plate is magnetically connected with the flat sleeve.

[0023] Further, the wrapping edge of the flat sleeve is further provided with a stylus slot.

[0024] Further, the stylus slot comprises a first arc plate, a second arc plate and a third arc plate which are sequentially and spacedly arranged along the center axis of the wrapping edge.

[0025] The first arc plate and the third arc plate are arranged on the side close to the back of the flat sleeve, and the second arc plate is arranged on the side away from the back of the flat sleeve.

[0026] The first arc plate, the second arc plate and the third arc plate are all curved towards the center axis of the wrapping edge to form the stylus slot.

[0027] Further, the plate surface of the second arc plate is partially protruded to form a buckling head.

[0028] Further, the top surface of the keyboard is provided with a buckling slot which is buckled and connected with the buckling head.

[0029] Further, the flat sleeve is further provided with a camera hole.

[0030] Compared with the prior art, the utility model has the following beneficial effects:

[0031] (1) The plug of the product is fixedly connected with a sliding strip, the sliding strip is arranged on the sliding channel and slidably connected with the slide rail in the sliding channel, external load is applied to the sliding strip to drive the sliding strip to slide on the slide rail in the sliding channel, and then the plug is inserted into or separated from the flat plug, the plug and the flat plug are always kept in the same angle during the insertion or separation of the plug and the flat plug, so that the wear speed of the flat plug and the plug is reduced, and the problem of frequent maintenance or replacement of the flat and / or plug is avoided.

[0032] (2) The back of the flat sleeve is also hinged with a supporting plate, and the flat sleeve is also fixedly connected with a limiting plate, and the bottom edge of the limiting plate is provided with a flexible connecting leather, which extends into the keyboard shell and is fixedly connected with the keyboard. BRIEF DESCRIPTION OF DRAWINGS

[0033] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application.

[0034] Figure 1 It is a schematic view of the flat sleeve and the supporting plate of the product when being unfolded.

[0035] Figure 2 It is an exploded view of the product.

[0036] Figure 3 It is a structural detail view of the sliding bar and the sliding rail of the product.

[0037] Figure 4 It is a structural detail view of the sliding channel of the product.

[0038] Figure 5 It is a bottom view of the flat sleeve and the supporting plate of the product when being unfolded.

[0039] List of Figures:

[0040] 1-flat sleeve; 2-supporting plate; 3-limiting plate; 4-flexible connecting leather; 5-keyboard; 6-plug; 7-sliding channel; 701-first horizontal sliding channel; 702-vertical sliding channel; 703-second horizontal sliding channel; 8-sliding rail; 9-sliding bar; 901-horizontal sliding bar; 902-vertical sliding bar; 903-first sliding piece; 904-second sliding piece; 10-threaded hole; 11-bolt; 12-anti-skid lever; 13-rigid limiting bar; 141-first arc plate; 142-second arc plate; 143-third arc plate; 15-buckling head; 16-buckling groove; 17-camera hole; 18-wiring board; 19-wiring jack. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with examples and drawings, and the schematic embodiments and the description thereof are only used to explain the present application, and do not limit the present application.

[0042] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0043] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0044] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0045] In the utility model, unless otherwise specifically defined and limited, the "upper" or "lower" of the first feature in the second feature can include the direct contact of the first and second features, or the indirect contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature in the second feature include the vertical direction of the first feature above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature in the second feature include the vertical direction of the first feature below and obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0046] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled persons in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of the utility model disclosed.

[0047] In the following description, suffixes such as "module", "component", "assembly" or "unit" are used only for the convenience of description of the utility model, and have no specific meaning in itself. Therefore, they can be mixedly used.

[0048] The utility model will be further described in detail through specific embodiments in combination with the drawings.

[0049] According to one embodiment of the utility model, as Figures 1-5 Indicated, a flat protection cover with keyboard and plug, comprising:

[0050] The back of the flat cover 1 is hinged with a support plate 2, the flat cover 1 is also fixed with a limiting plate 3, the limiting plate 3 is located below the support plate 2, the bottom edge of the limiting plate 3 is provided with flexible connecting leather 4, the flexible connecting leather 4 extends to the inside of the keyboard 5 shell and is fixedly connected with the keyboard 5;

[0051] The plug 6 extends to the cavity of the flat cover 1 where the flat is placed through the wrapping edge;

[0052] The back of the flat cover 1 is also provided with a sliding channel 7, and the sliding channel 7 is provided with a sliding rail 8;

[0053] The sliding bar 9 is arranged on the sliding channel 7, one end of the sliding bar 9 is fixedly connected with the plug 6, and the other end is slidably connected with the sliding rail 8;

[0054] By sliding the sliding bar 9 on the sliding rail 8, the plug 6 is inserted into the socket of the flat computer.

[0055] In this embodiment, a sliding channel 7 is provided on the back of the flat plate sleeve 1, a slide rail 8 is provided in the sliding channel, and a sliding strip 9 is provided on the sliding channel 7. One end of the sliding strip 9 is fixedly connected to the plug 6, and the other end is slidably engaged with the slide rail 8. When it is necessary to place the flat plate into the flat plate sleeve 1, an external load is applied to the sliding strip 9, causing the sliding strip 9 to slide to the left in the sliding channel 7, thereby driving the plug 6 to detach from the flat plate sleeve 1. When the plug 6 is completely detached from the flat plate sleeve 1, the flat plate is directly placed into the flat plate sleeve 1. At this time, the plug 6 and the plug of the flat plate are aligned at a positive angle. Then, an external load is applied to the sliding strip 9 again. The load causes the slider to slide to the right within the sliding channel 7, thereby driving the plug 6 to insert into the tablet socket, realizing the electrical connection between the keyboard 5 and the tablet. In this embodiment, the plug 6 is a Type-C plug, and the tablet socket is a Type-C interface. The direct connection between the keyboard and the tablet is achieved through the plug-in of the Type-C plug and the Type-C interface. Unlike the common Bluetooth connection on the market, the Type-C direct connection makes the signal of data transmission between the keyboard and the tablet more stable. Especially in a multi-interference environment, this Type-C direct connection method more effectively reduces the possibility of disconnection and unstable connection signal.

[0056] When this embodiment is implemented, as follows: Figures 2-4 As shown, in Figure 3 and Figure 4 The sliding strip 9 and the flat sleeve 1 are also provided with connecting threaded holes 10. When the plug 6 is fully inserted into the flat slot, the threaded holes 10 of the sliding strip 9 and the flat sleeve 1 are aligned and connected, and can be connected by means of... Figure 2 The bolt 11 shown is threaded into the threaded hole 10, which securely locks the plug 6 onto the slide rail 8, preventing it from sliding. This, in turn, securely locks the plug 6 into the flat socket, preventing it from coming loose. Alternatively, this application can also achieve secure insertion of the plug 6 into the flat socket without using a threaded connection. Specifically, a partial protrusion is provided on the sliding bar 9, and a groove is provided on the wrapping edge of the flat sleeve 1 to engage with the protrusion. Alternatively, a partial recess is provided on the sliding bar 9, and a protrusion is provided on the wrapping edge of the flat sleeve 1 to engage with the recess. When the sliding bar 9 slides until the plug 6 is fully inserted into the flat socket, the protrusion is also fully inserted into the recess, thereby fixing the sliding bar 9 onto the wrapping edge of the flat sleeve 1, and thus also securing the plug 6 into the flat socket, preventing it from coming loose.

[0057] In this embodiment, by applying an external load to the sliding bar 9, the sliding bar 9 is driven to slide on the slide rail 8 in the sliding channel 7, thereby realizing the insertion or disconnection of the plug 6 and the flat socket. During the insertion or disconnection process of the plug 6 and the flat socket, the plug 6 and the flat socket always maintain a positive alignment angle, thereby reducing the wear rate of the flat socket and the plug 6 and avoiding the problem of frequent maintenance or replacement of the flat plate and / or plug 6.

[0058] In this embodiment, a support plate 2 is hinged to the back of the flat cover 1 and located below the support plate 2. A limiting plate 3 is also fixedly connected to the flat cover 1. A flexible connecting skin 4 is provided on the bottom edge of the limiting plate 3. The flexible connecting skin 4 extends into the inside of the keyboard 5 housing and is fixedly connected to the keyboard 5. The keycaps of the keyboard 5 adopt an anti-detachment design. This design makes it impossible for the keycaps to be removed from the keyboard 5, which enhances the durability of the keyboard 5 and extends its service life. In this embodiment, both the housing and keycaps of the keyboard 5 are made of PBT plastic. The keyboard 5 and keycaps made of PBT plastic have good wear resistance, high temperature resistance and durability, which further enhances the durability and service life of the keyboard 5.

[0059] When a user needs to keep the tablet inside the tablet sleeve 1 at a predetermined angle for use, the tablet sleeve 1 is rotated to reach the predetermined angle, and then the support plate 2 is rotated to press against the carrier plane to provide stable support for the tablet, thereby keeping the tablet in the predetermined position for the user to use; the purpose of the limiting plate 3 is to prevent the support plate 2 from rotating too much and causing the tablet sleeve 1 to become unstable and slip, thereby causing the tablet to be subjected to collision impact.

[0060] Furthermore, such as Figures 2-4 The sliding bar 9 includes a horizontal sliding bar 901, a vertical sliding bar 902 located to the right of the horizontal sliding bar 901, and a first sliding piece 903 and a second sliding piece 904 located to the right of the vertical sliding bar 902.

[0061] The horizontal sliding bar 901 is perpendicularly connected to the head of the vertical sliding bar 902, the second sliding piece 904 is perpendicularly connected to the tail of the vertical sliding bar 902, and the first sliding piece 903 is spaced above the second sliding piece 904 and perpendicularly connected to the vertical sliding bar 902.

[0062] The sliding channel 7 includes a first horizontal sliding channel 701, a vertical sliding channel 702 located to the lower right of the first horizontal sliding channel 701, and a second horizontal sliding channel 703 located to the lower right of the vertical sliding channel 702;

[0063] The first horizontal sliding channel 701 is disposed on the back of the flat plate sleeve 1, avoiding the support plate 2 and the limiting plate 3, and is connected to the channel opening at the top of the vertical sliding channel 702. The second horizontal sliding channel 703 is connected to the channel opening at the bottom of the vertical sliding channel 702 and is wrapped by the limiting plate 3.

[0064] The slide rail 8 is disposed in the second horizontal sliding channel 703, the horizontal sliding bar 901 is disposed on the first horizontal sliding channel 701, the vertical sliding bar 902 is disposed on the vertical sliding channel 702, and the first sliding piece 903 and the second sliding piece 904 respectively slide in cooperation with the upper and lower sides of the slide rail 8.

[0065] In this embodiment, the horizontal sliding bar 901 contacts the sliding edge of the first horizontal sliding channel 701, and the width of the vertical sliding bar 902 is less than the sliding surface width of the vertical sliding channel 702. That is, the maximum sliding distance of the sliding bar 902 is the sliding surface width of the vertical sliding channel 702 minus the width of the vertical sliding bar 902. A ribbon cable board 18 is also vertically connected between the first sliding piece 903 and the second sliding piece 904 in the vertical sliding channel 702. The ribbon cable board 18 is electrically connected to the plug through wires embedded inside the horizontal sliding bar 901 and the vertical sliding bar 902. A ribbon cable socket 19 is provided on the right side of the ribbon cable board 18, and the ribbon cable socket 19 is electrically connected to the keyboard 5. The ribbon cable socket 19 is located above the slide rail 8 and is plugged into the ribbon cable board 18. Through the plugging of the ribbon cable board 18 and the ribbon cable socket 19, the ribbon cable board 18 and the ribbon cable socket 19 are electrically connected, thereby realizing the electrical connection between the plug 6 and the keyboard. In this embodiment, two horizontal channels are respectively connected vertically to the same vertical channel to form a sliding channel 7, which can securely restrict the sliding bar 9 to the back of the flat cover 1, so that the sliding bar 9 can only slide on the back of the flat cover 1 and cannot detach from the flat cover 1. This ensures that the plug 6 connected to the sliding bar 9 is securely placed on the flat cover 1. This design can effectively prevent the plug 6 from being lost due to the user's carelessness.

[0066] In addition, the insertion length of the ribbon cable board 18 into the ribbon cable socket 19 is greater than the maximum sliding distance of the slider 9. That is, when the vertical slider 902 slides to the left side of the vertical sliding channel 702, part of the ribbon cable board 18 is still located in the ribbon cable socket 19. In other words, when the vertical slider 902 slides to the left side of the vertical sliding channel 702, the plug 6 and the keyboard can still maintain a stable electrical connection.

[0067] Furthermore, such as Figure 2 As shown, the horizontal sliding bar 901 is also provided with an anti-slip bar 12 on its back.

[0068] When the user needs to push the horizontal anti-skid strip 901 with his hand to drive the plug 6 to be inserted into or separated from the flat plate socket, the friction between the horizontal anti-skid strip 901 and the fingers is increased due to the presence of the anti-skid rod 12, so that the plug 6 is more easily and labor-saving inserted into or separated from the flat plate socket, and the abrasion loss of the plug 6 and the flat plate socket is further reduced.

[0069] Further, as shown in Figure 5 The back of the flexible connecting skin 4 is further fixedly connected with a hard limiting strip 13.

[0070] In the embodiment, the hard limiting strip 13 is arranged to further improve the supporting and fixing effect of the flat plate sleeve 1 through the cooperation among the hard limiting strip 13, the supporting plate 2 and the limiting plate 3, so that the flat plate sleeve 1 is stably supported on the carrier, and the collision of the flat plate caused by the sliding of the flat plate sleeve 1 is avoided.

[0071] Further, the supporting plate 2 is magnetically connected with the flat plate sleeve 1.

[0072] In the embodiment, a magnetic sheet is arranged in the supporting plate 2, and a magnetic sheet is arranged in the flat plate sleeve 1, the supporting plate 3 is fixed to the back of the flat plate sleeve 1 through the magnetic attraction between the two magnetic sheets, and the supporting plate 2 is prevented from being randomly unfolded around the back of the flat plate sleeve 1, so that the storage box is convenient to carry.

[0073] Further, an electronic pen groove is further arranged on the wrapping edge of the flat plate sleeve 1.

[0074] Further, as shown in Figure 1 and Figure 2 The electronic pen groove comprises a first circular arc plate 141, a second circular arc plate 142 and a third circular arc plate 143 which are sequentially and spacedly arranged with the central axis of the wrapping edge as a boundary line;

[0075] The first circular arc plate 141 and the third circular arc plate 143 are arranged on the side close to the back of the flat plate sleeve 1, and the second circular arc plate 142 is arranged on the side away from the back of the flat plate sleeve 1;

[0076] The first circular arc plate 141, the second circular arc plate 142 and the third circular arc plate 143 are all curved towards the central axis of the wrapping edge to form the pen groove for wrapping the electronic pen.

[0077] In the embodiment, only three circular arc plates are used to form the pen groove for placing the electronic pen, which can save materials and control the cost; since the three circular arc plates are spacedly arranged, a large space is reserved, so that the contact area between the palm and the electronic pen is increased, and the user can take out the electronic pen from the pen groove more easily and conveniently.

[0078] Further, as shown in Figure 1 The plate surface of the second circular arc plate 142 is partially raised to form a buckling head 15.

[0079] Further, as shown in Figure 1 The top surface of the keyboard 5 is provided with a buckling groove 16 buckled and connected with the buckling head 15.

[0080] In the implementation of the embodiment, the buckling head 15 is buckled into the buckling groove 16 to realize buckling of the flat sleeve 1 on the surface of the keyboard 5, prevent the flat sleeve 1 from being opened at will, and facilitate carrying of the storage box.

[0081] Further, as shown in Figure 2 The flat sleeve 1 is also provided with a camera hole 17.

[0082] The above specific embodiments have further detailed the purposes, technical solutions and beneficial effects of the utility model, and it should be understood that the above is only a specific embodiment of the utility model and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A tablet protective case with a keyboard and a plug, characterized in that, include: A tablet cover, wherein a support plate is hinged to the back of the tablet cover, and a limiting plate is fixed to the tablet cover. The limiting plate is located below the support plate, and a flexible connecting skin is provided on the bottom edge of the limiting plate. The flexible connecting skin extends into the inside of the keyboard housing and is fixedly connected to the keyboard. A plug that extends through the wrapping edge into the cavity where the flat plate is placed; The back of the flat plate is also provided with a sliding channel, and a slide rail is provided in the sliding channel; A sliding bar is provided on the sliding channel, one end of which is fixedly connected to the plug, and the other end is slidably engaged with the slide rail; The plug is inserted into the tablet computer's port by sliding the slider on the slide rail.

2. The flat panel protection case with a keyboard and plug of claim 1, wherein, The slider includes a horizontal slider, a vertical slider located to the right of the horizontal slider, and a first slider and a second slider located to the right of the vertical slider. The horizontal sliding bar is perpendicularly connected to the head of the vertical sliding bar, the second sliding piece is perpendicularly connected to the tail of the vertical sliding bar, and the first sliding piece is spaced above the second sliding piece and perpendicularly connected to the vertical sliding bar. The sliding channel includes a first horizontal sliding channel, a vertical sliding channel located to the lower right of the first horizontal sliding channel, and a second horizontal sliding channel located to the lower right of the vertical sliding channel; The first horizontal sliding channel is disposed on the back of the flat plate sleeve, avoiding the support plate and the limiting plate, and is connected to the channel opening at the top of the vertical sliding channel. The second horizontal sliding channel is connected to the channel opening at the bottom of the vertical sliding channel and is wrapped by the limiting plate. The slide rail is disposed in the second horizontal sliding channel, the horizontal sliding bar is disposed on the first horizontal sliding channel, the vertical sliding bar is disposed on the vertical sliding channel, and the first sliding piece and the second sliding piece are respectively slidably engaged with the upper and lower sides of the slide rail.

3. The flat panel protection case with a keyboard and plug of claim 2, wherein, The horizontal sliding bar is also provided with an anti-slip bar on its back.

4. The flat panel protection case with a keyboard and plug of claim 1, wherein, A rigid limiting strip is also fixedly connected to the back of the flexible connecting skin.

5. The flat panel protection case with a keyboard and plug of claim 1, wherein, The support plate is magnetically connected to the flat plate.

6. The flat panel protection case with a keyboard and plug of claim 1, wherein, The tablet cover also has an electronic pen slot on its wrapping edge.

7. The flat-panel-surface protective case with a keyboard and a plug according to claim 6, characterized by The electronic pen slot includes a first arc plate, a second arc plate, and a third arc plate that are sequentially spaced apart with the central axis of the wrapping edge as the dividing line; The first arc plate and the third arc plate are disposed on the side close to the back of the flat plate sleeve, and the second arc plate is disposed on the side away from the back of the flat plate sleeve; The first, second, and third arc plates are all bent toward the central axis of the wrapping edge to form a groove for wrapping the electronic pen.

8. The flat panel protection case with a keyboard and plug of claim 7, wherein, The second arc plate has a local protrusion on its surface forming a snap-fit ​​head.

9. The flat-panel-surface protective case with a keyboard and a plug according to claim 8, characterized by, The top surface of the keyboard is provided with a fastening groove that engages with the fastening head.

10. The flat panel protection case with a keyboard and plug of claim 1, wherein, The flat panel also has a camera hole.

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