Multifunctional extended all-in-one machine

Abstract

This invention discloses a multi-functional expandable all-in-one machine, comprising: a mounting base, an adjusting bracket mounted on the mounting base, and a support frame disposed in the middle of the adjusting bracket, wherein a main writing screen module is mounted on the support frame; it also includes a main control screen module, and a drive linkage bracket is installed between the main control screen module and the main writing screen module. When the drive linkage bracket operates, it allows the main control screen module and the main writing screen module to be arranged vertically and their angles to be adjusted; the main control screen module is provided with a control panel and a book clip placement area, the book clip placement area being used to compact teaching books after they are opened. This invention, through the vertically arranged main writing screen module and main control screen module, with adjustable angles, and in conjunction with the book clip placement area, allows for the unfolding and placement of teaching books, test papers, etc., a user-friendly design that facilitates operation.

Description

Technical Field

[0001] This invention relates to the field of all-in-one machine technology, specifically a multi-functional expandable all-in-one machine. Background Technology

[0002] With the development of trends, many manufacturers have begun to venture into all-in-one PCs. All-in-one desktop PCs have broken away from the bulky image of traditional computers in terms of appearance. An all-in-one PC refers to a desktop PC that integrates the host of a traditional separate desktop PC into a monitor.

[0003] Existing all-in-one computers have built-in computers and Android devices, and use aluminum alloy shells for teaching, meetings, and presentations. However, they have the following drawbacks in actual use.

[0004] First, it is generally a single display screen with a fixed angle that cannot be adjusted, which shows a lack of user-friendly design.

[0005] Secondly, the machine's controls, IoT multimedia device controls, and computer USB ports are all located inside the machine, making operation and use very inconvenient. Furthermore, there is a lack of a platform for storing presentation materials, books, etc. Therefore, we propose a multi-functional expandable all-in-one machine. Summary of the Invention

[0006] The purpose of this invention is to provide a multi-functional expandable all-in-one machine. Through the main writing screen module and the main control screen module arranged vertically, the angle is adjustable. With the book clip placement area, teaching books, test papers, etc. can be laid out and placed. The humanized design makes it easy for users to operate.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a multi-functional expandable all-in-one machine, comprising: a mounting base, an adjusting bracket disposed on the mounting base, and a support frame disposed in the middle of the adjusting bracket, wherein a main writing screen module is disposed on the support frame; it also includes a main control screen module, and a drive linkage bracket is installed between the main control screen module and the main writing screen module, wherein when the drive linkage bracket is in operation, the main control screen module and the main writing screen module are arranged vertically and their angles are adjusted; the main control screen module is provided with a control panel and a book clip placement area, wherein the book clip placement area is used to compact teaching books after they are opened.

[0008] Preferably, the mounting base includes a base plate and a suction cup disposed at the bottom corner of the base plate, the suction cup being able to adhere to the desktop.

[0009] Preferably, the adjusting bracket includes a connecting plate fixed to the upper surface of the base plate, and adjusting rod assemblies respectively disposed on both sides of the connecting plate, the adjusting rod assemblies being used to adjust the inclination of the support frame; each adjusting rod assembly includes a first support rod fixed to the side wall of the connecting plate, and a second support rod rotatably connected to the first support rod via a first connecting shaft disposed at the front end of the first support rod; it also includes a first sliding groove and a second sliding groove respectively formed on the first support rod and the second support rod, and a first slider and a second slider are slidably installed inside the first sliding groove and the second sliding groove respectively, the support frame being fixed on the opposite side of the first slider where the two sets of adjusting rod assemblies are located; and a second connecting shaft fixed on the second slider, and a first transmission rod and a second transmission rod rotatably connected to the second connecting shaft respectively, the first transmission rod being rotatably connected to a third connecting shaft disposed on the first slider, and the second transmission rod being rotatably connected to a fourth connecting shaft disposed on the second support rod; an electric telescopic rod is also disposed at the rear end of the second sliding groove, and the telescopic end of the electric telescopic rod is fixedly connected to the second slider and provides power for the sliding of the second slider.

[0010] Preferably, the main writing screen module includes two mounting strips fixed to the top of the support frame, and a main mounting frame fixed to the opposite sides of the two mounting strips, with the main writing screen body mounted on the upper surface of the main mounting frame.

[0011] Preferably, the two mounting strips are also provided with auxiliary writing screen modules at their opposite ends. Each auxiliary writing screen module includes an auxiliary mounting frame and an auxiliary writing screen body mounted on the upper surface of the auxiliary mounting frame. It also includes two sets of meshing linkage assemblies disposed between the two mounting strips and the main mounting frame. The two sets of meshing linkage assemblies are used to switch between the extended screen and the folding screen between the two auxiliary writing screen bodies and the main writing screen body.

[0012] Preferably, each set of meshing linkage assemblies includes two sets of symmetrically distributed meshing linkage structures, and each set of meshing linkage structures includes a set of meshing drive assemblies and a set of linkage transmission assemblies; the linkage transmission assembly includes a first link and a second link, one end of the first link and the second link being rotatably connected to the mounting strip via a first pin, and the other end being rotatably connected to the auxiliary mounting frame via a second pin, the first link and the second link being parallel and not in the same plane; the meshing drive assembly includes an electric push rod fixed on the mounting strip, and a rack disposed at the telescopic end of the electric push rod; it also includes a connecting shaft rotatably connected between the mounting strip and the main mounting frame, and a transmission tooth fixed on the connecting shaft meshes with the rack; a third link is also fixedly mounted on the transmission tooth, and the end of the third link away from the transmission tooth is rotatably connected to a third rotating shaft in the middle of the auxiliary mounting frame.

[0013] Preferably, the main control screen module includes a mounting shell; and a switch button disposed on the mounting shell, the switch button being used to turn the main control screen module on and off; the mounting shell is provided with two USB ports for inserting USB; it also includes two sets of warning circuits, each set of warning circuits including a power supply body, a trigger plate, a USB port, and two electrical contacts inside the USB port, which close the connection between the two electrical contacts when the USB is inserted into the USB port, and when the switch button is pressed down to turn off the power of the machine, it drives the trigger plate to move downward and connect the circuit where the power supply body is located.

[0014] Preferably, the book clip placement area includes a placement frame and a plurality of clamping blocks disposed inside the placement frame. Each clamping block includes a mounting component, and the mounting component is provided with a pressure block via a fourth rotating shaft, and a torsion spring is installed between the pressure block and the mounting component.

[0015] Preferably, the drive linkage brackets are provided in two sets and distributed on both sides of the mounting housing. Each set of drive linkage brackets includes a support bar and a first mounting shaft rotatably connected to both ends of the support bar. A first support bar and a second support bar are fixed on the two first mounting shafts respectively. The ends of the first and second support bars away from the support bar are rotatably connected to a third support bar and a fourth support bar respectively through a second mounting shaft. The end of the third support bar away from the first support bar is rotatably connected to the middle of the fourth support bar. The mounting housing is fixed on the opposite side of the fourth support bar where the two sets of drive linkage brackets are located. The system also includes a fifth support bar rotatably connected to the middle of the second support bar. The end of the fifth support bar away from the second support bar is rotatably connected to the second mounting shaft where the first support bar is located. The support bar has a mounting groove, and a motor is provided in the mounting groove. The output shaft of the motor passes through the support bar and is fixedly connected to the first mounting shaft where the first support bar is located.

[0016] Preferably, one of the support bars is provided with a first placement groove, in which a capacitive pen body is placed; the other support bar is provided with a second placement groove.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] 1. This invention, through the vertically arranged main writing screen module and main control screen module, combined with the structural design of the adjustment bracket and drive linkage bracket, further realizes the angle adjustment process of the main writing screen module relative to the desktop and the main control screen module relative to the main writing screen module. This reflects a user-friendly design as a whole, further facilitating operation for educators. In addition, with the book clip placement area, teaching books, test papers, lecture manuscripts, etc. can be laid out and placed. When the angle of the main writing screen module is adjusted, the control panel and book clip placement area are designed to meet the operation and viewing needs of educators.

[0019] 2. As another embodiment of the present invention, by setting two sets of meshing transmission rod assemblies, the two auxiliary writing screen bodies and the main writing screen body can be driven to switch between folding screen and extended screen, thereby further improving the teaching convenience of the extended function all-in-one machine.

[0020] 3. As another embodiment of the present invention, the warning circuit is set so that if the USB is not unplugged when the switch button is pressed down after the teaching ends, the warning circuit is in a connected state, thereby reminding the teacher to unplug the USB. This design reduces the situation where the teacher forgets to unplug the USB, and further reflects the humanized and practical design of the device. Attached Figure Description

[0021] Figure 1 This is a first-view three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a second-view three-dimensional structural diagram of the present invention;

[0023] Figure 3 This is a schematic diagram of the third-view three-dimensional structure of the present invention;

[0024] Figure 4 This is a front view structural diagram of the present invention;

[0025] Figure 5 This is a top view of the structure of the present invention;

[0026] Figure 6 This is a side view of the structure of the present invention;

[0027] Figure 7 This is a schematic diagram of the disassembled structure of the present invention;

[0028] Figure 8 This is a partially enlarged schematic diagram of the meshing connecting rod assembly;

[0029] Figure 9 This is a partially enlarged schematic diagram of the drive linkage support;

[0030] Figure 10 This is another enlarged schematic diagram of the drive linkage bracket;

[0031] Figure 11 This is a partially enlarged structural diagram of the adjusting rod assembly;

[0032] Figure 12 This is a schematic diagram of the warning circuit.

[0033] In the diagram: 1. Support frame; 2. Mounting strip; 3. Main mounting frame; 4. Auxiliary mounting frame; 5. Main writing screen body; 6. Auxiliary writing screen body; 7. Drive linkage bracket; 701. Mounting slot; 702. Motor; 703. First support strip; 704. Second support strip; 705. Fifth support strip; 706. Third support strip; 707. Fourth support strip; 8. Adjusting rod assembly; 801. First connecting shaft; 802. Second support rod; 803. First support rod; 804. Electric telescopic rod; 805. First slide groove; 806. First slider; 807. Fourth connecting shaft; 808. Second transmission rod; 809. Second connecting shaft; 810. Third connecting shaft; 811. First transmission rod; 812. 8. Second slider; 9. Second slide groove; 10. Meshing linkage structure; 11. Electric push rod; 12. Rack; 13. Transmission gear; 14. Third connecting rod; 15. Connecting shaft; 16. First connecting rod; 17. Second connecting rod; 18. First pin; 19. Second pin; 20. Mounting shell; 21. Base plate; 22. Suction cup; 23. Control panel; 24. USB interface; 25. Indicator light; 26. Switch button; 27. Placement frame; 28. Pressure block; 28. Mounting component; 29. ​​Support bar; 20. First placement slot; 21. Capacitive pen body; 22. Electrode; 23. Connecting plate; 24. Trigger plate; 25. Power supply body; 26. Second placement slot. Detailed Implementation

[0034] In the description of this invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention. The various embodiments of this invention are described in detail below with reference to the accompanying drawings.

[0035] Example 1

[0036] Please see Figures 1 to 12 The present invention preferably provides the following technical solution: a multi-functional expandable all-in-one machine, comprising: a mounting base, an adjusting bracket disposed on the mounting base, and a support frame 1 disposed in the middle of the adjusting bracket, wherein a main writing screen module is disposed on the support frame 1; it also includes a main control screen module, and a drive linkage bracket 7 is installed between the main control screen module and the main writing screen module, wherein when the drive linkage bracket 7 is running, the main control screen module and the main writing screen module are arranged vertically and their angles are adjusted; the main control screen module is provided with a control panel 13 and a book clip placement area, wherein the book clip placement area is used to compact teaching books after they are opened.

[0037] In this embodiment, the entire machine body is made of aluminum alloy shell, and the computer terminal uses an i5 11th generation CPU, 8G memory, and 512G solid hard drive to be suitable for teaching meetings, classroom teaching, etc.

[0038] Meanwhile, the main writing screen module supports handwriting, displaying Windows extended screen, and Android operating Windows, while the main control screen module is used to control IoT multimedia devices.

[0039] like Figure 5 As shown, the control panel 13 on the main control screen module can be used to control the operation of the main writing screen module, the adjustment bracket, the drive linkage bracket 7, and other structures. This allows for the adjustment of the angles of the main writing screen module relative to the desktop and the main control screen module relative to the main writing screen module, thus expanding the humanized design in the teaching process and facilitating teaching operations for educators. The machine, through the vertical arrangement of the main writing screen module and the main control screen module, combined with the structural design of the adjustment bracket and the drive linkage bracket 7, further realizes the angle adjustment of the main writing screen module relative to the desktop and the main control screen module relative to the main writing screen module. This embodies a humanized design overall, providing greater convenience for educators. Furthermore, the book clip placement area allows for the unfolding and placement of teaching books, test papers, lecture manuscripts, etc., and ensures that the control panel 13 and the book clip placement area meet the needs of educators for operation and viewing when the angle of the main writing screen module is adjusted.

[0040] Furthermore, the mounting base includes a base plate 11 and a suction cup 12 located at the bottom corner of the base plate 11. The suction cup 12 can adhere to the desktop. This design, such as... Figure 3 As shown, this facilitates the installation and fixation of the all-in-one machine.

[0041] Furthermore, the adjusting bracket includes a connecting plate 24, which is fixed to the upper surface of the base plate 11, and adjusting rod assemblies 8 respectively disposed on both sides of the connecting plate 24. The adjusting rod assemblies 8 are used to adjust the tilt of the support frame 1. Each adjusting rod assembly 8 includes a first support rod 803, which is fixed to the side wall of the connecting plate 24, and a second support rod 802 rotatably connected to the first support rod 803 via a first connecting shaft 801 disposed at the front end of the first support rod 803. It also includes a first sliding groove 805 and a second sliding groove 813 respectively opened on the first support rod 803 and the second support rod 802, and a first slider 80 is slidably installed inside the first sliding groove 805 and the second sliding groove 813 respectively. 6. The second slider 812, the support frame 1 is fixed on the opposite side of the first slider 806 where the two sets of adjusting rod assemblies 8 are located; and the second connecting shaft 809 is fixed on the second slider 812. It also includes a first transmission rod 811 and a second transmission rod 808 respectively rotatably connected to the second connecting shaft 809. The first transmission rod 811 is rotatably connected to the third connecting shaft 810 provided on the first slider 806, and the second transmission rod 808 is rotatably connected to the fourth connecting shaft 807 provided on the second support rod 802. The rear end of the second slide groove 813 is also provided with an electric telescopic rod 804, and the telescopic end of the electric telescopic rod 804 is fixedly connected to the second slider 812 and provides power for the sliding of the second slider 812.

[0042] like Figure 6 , 11 As shown, since the first slider 806 and the second slider 812 are slidably installed inside the first slide groove 805 and the second slide groove 813 respectively, and the support frame 1 is fixed on the opposite side of the first slider 806 where the two sets of adjusting rod assemblies 8 are located, and the first slider 806 and the second slider 812 are connected by the first transmission rod 811, and the second slider 812 and the second support rod 802 are connected by the second transmission rod 808, and the first support rod 803 and the second support rod 802 are rotatably connected by the first connecting shaft 801, when the second slider 812 is driven to move closer to the first connecting shaft 801, that is, when the electric telescopic rod 804 extends, since the lengths of the first transmission rod 811 and the second transmission rod 808 are constant, the first slider 806 moves closer to the first connecting shaft 801, and at the same time, the second support rod 802 deflects counterclockwise relative to the first connecting shaft 801. Figure 6As shown, this causes the support frame 1 between the two first sliders 806 to move closer to the first connecting shaft 801, while the second support rod 802 deflects counterclockwise around the first connecting shaft 801, that is, the angle between the second support rod 802 and the first support rod 803 expands, thereby increasing the inclination of the support frame 1. This allows the support frame 1 to move forward while simultaneously increasing its angle with the tabletop. Similarly, when the second slider 812 is driven away from the first connecting shaft 801, that is, when the electric telescopic rod 804 retracts, the support frame 1 moves away from the first connecting shaft 801 while simultaneously decreasing the angle between the support frame 1 and the tabletop. In this process, the tilt of the support frame 1 can be adjusted by extending and retracting the electric telescopic rod 804, while also adaptively adjusting the angle between the support frame 1 and the tabletop. This design improves the convenience of teaching operations for educators.

[0043] Example 2

[0044] In another embodiment of the present invention, the main writing screen module includes two mounting strips 2 fixed to the top of the support frame 1, and a main mounting frame 3 fixed to the opposite sides of the two mounting strips 2. The main writing screen body 5 is mounted on the upper surface of the main mounting frame 3. Auxiliary writing screen modules are also respectively provided at the opposite ends of the two mounting strips 2. Each auxiliary writing screen module includes an auxiliary mounting frame 4 and an auxiliary writing screen body 6 mounted on the upper surface of the auxiliary mounting frame 4. It also includes two sets of meshing linkage assemblies disposed between the two mounting strips 2 and the main mounting frame 3. The two sets of meshing linkage assemblies are used to realize the switching action between the extended screen and the folding screen between the two auxiliary writing screen bodies 6 and the main writing screen body 5.

[0045] like Figure 1 , 5 As shown, both the main writing screen body 5 and the auxiliary writing screen body 6 are existing mature technologies.

[0046] like Figure 1 , 8 As shown, in addition, the two sets of meshing transmission rod assemblies can drive the two auxiliary writing screen bodies 6 and the main writing screen body 5 to switch between folding screen and extended screen, thereby further improving the teaching convenience of this extended all-in-one machine.

[0047] Furthermore, each set of meshing linkage assemblies includes two sets of symmetrically distributed meshing linkage structures 9, and each set of meshing linkage structures 9 includes a set of meshing drive assemblies and a set of linkage transmission assemblies; the linkage transmission assembly includes a first link 906 and a second link 907, one end of the first link 906 and the second link 907 is rotatably connected to the mounting strip 2 via a first pin 908, and the other end is rotatably connected to the auxiliary mounting frame 4 via a second pin 909. The first link 906 and the second link 907 are arranged in parallel. Furthermore, they are not in the same plane; the meshing drive assembly includes an electric push rod 901 fixed on the mounting strip 2, and a rack 902 disposed at the telescopic end of the electric push rod 901; it also includes a connecting shaft 905 rotatably connected between the mounting strip 2 and the main mounting frame 3, and a transmission gear 903 fixed on the connecting shaft 905 meshes with the rack 902; a third connecting rod 904 is also fixedly mounted on the transmission gear 903, and the end of the third connecting rod 904 away from the transmission gear 903 is rotatably connected to a third rotating shaft in the middle of the auxiliary mounting frame 4.

[0048] It is worth noting that the first link 906 and the second link 907 are arranged in parallel and are not in the same plane. Figure 7 , 8 As shown, it is used to connect the mounting strip 2 and the auxiliary mounting frame 4. The third connecting rod 904 on the transmission gear 903 is rotatably connected to the third rotating shaft in the middle of the auxiliary mounting frame 4. At the same time, the transmission gear 903 meshes with the rack 902. Therefore, when the electric push rod 901 extends and retracts to drive the transmission gear 903 to rotate, the auxiliary mounting frame 4 and the main mounting frame 3 can switch between a flat state and an up-and-down folded state.

[0049] Specific examples Figure 8 As shown, when the electric push rod 901 extends, the transmission gear 903 rotates counterclockwise, and the third link 904 moves down counterclockwise, simultaneously causing the first link 906 and the second link 907 to deflect. That is, the first link 906 and the second link 907 deflect counterclockwise around the second pin 909, thereby placing the auxiliary writing screen body 6 on the auxiliary mounting frame 4 directly below the main mounting frame 3, thus completing the switching process between the folded state of the main writing screen body 5 and the auxiliary writing screen body 6.

[0050] When the electric push rod 901 retracts, the first link 906 and the second link 907 reset, completing the switching process between the main writing screen body 5 and the auxiliary writing screen body 6 in a flush state, as shown below. Figure 1 , 8 The extended screen shown.

[0051] Example 3

[0052] In another embodiment of the present invention, the main control screen module includes a mounting shell 10; and a switch button 16 disposed on the mounting shell 10, the switch button 16 being used to turn the main control screen module on and off; the mounting shell 10 is provided with two USB interfaces 14 for inserting USB; it also includes two sets of warning circuits, each set of warning circuits including a power supply body 26, a trigger piece 25, a USB interface 14, and two electrical pieces 23 disposed within the USB interface 14, which close the connection between the two electrical pieces 23 when the USB is inserted into the USB interface 14, and when the switch button 16 is pressed down to turn off the power of the machine, it drives the trigger piece 25 to move downward and connect the circuit where the power supply body 26 is located.

[0053] like Figure 1 , 9 As shown in Figures 1 and 12, in this embodiment, two sets of warning circuits are set so that when the teaching ends, that is, when the switch button 16 of the device is pressed down and turned off, if the USB inside the USB interface 14 is not unplugged, the corresponding warning circuit will be closed, thereby connecting the corresponding warning circuit and driving the indicator light 15 set on the mounting shell 10 to issue an alarm, further reminding the teacher to unplug the USB, so as to reduce the situation where the teacher forgets to unplug the USB.

[0054] Furthermore, the book clip placement area includes a placement frame 17 and several clamping blocks disposed inside the placement frame 17. Each clamping block includes a mounting member 19, and the mounting member 19 is provided with a pressure block 18 via a fourth pivot. A torsion spring is installed between the pressure block 18 and the mounting member 19. Figure 1 As shown, this design not only provides a place for teachers to put their books, but also allows the pressure block 18 inside the placement frame 17 to press down and fix the books at the corners, further improving the convenience of the device.

[0055] Furthermore, two sets of drive linkage brackets 7 are provided and distributed on both sides of the mounting housing 10. Each set of drive linkage brackets 7 includes a support bar 20 and a first mounting shaft rotatably connected to both ends of the support bar 20. A first support bar 703 and a second support bar 704 are fixed on the two first mounting shafts respectively. The ends of the first support bar 703 and the second support bar 704 away from the support bar 20 are respectively rotatably connected to a third support bar 706 and a fourth support bar 707 through the second mounting shafts. The end of the third support bar 706 away from the first support bar 703 is connected to the fourth support bar 707. The middle part of 707 is rotatably connected, and the mounting shell 10 is fixed to the opposite side of the fourth support 707 where the two sets of drive linkage brackets 7 are located; it also includes a fifth support 705 rotatably connected to the middle part of the second support 704, and the end of the fifth support 705 away from the second support 704 is rotatably connected to the second mounting shaft where the first support 703 is located; the support bar 20 is provided with a mounting groove 701, the mounting groove 701 is provided with a motor 702, and the output shaft of the motor 702 passes through the support bar 20 and is fixedly connected to the first mounting shaft where the first support 703 is located.

[0056] Two sets of drive linkage brackets 7 are provided and distributed between the mounting housing 10 and the mounting strip 2, as detailed below. Figure 6 , 9 As shown in Figure 10, the drive linkage bracket 7 includes a first support bar 703, and extendable or foldable second support bars 704, fifth support bars 705, third support bars 706, and fourth support bars 707, as detailed below. Figure 9 As shown, when the first support bar 703 is in Figure 9 When the state is deflected clockwise, the second branch 704, the fifth branch 705, the third branch 706, and the fourth branch 707 gradually change from the folded state to the extended state, thereby causing the fourth branch 707 to move away from the support bar 20, and further increasing the tilt angle of the main control screen module relative to the main writing screen module.

[0057] When the first support bar 703 is reset counterclockwise, the second support bar 704, the fifth support bar 705, the third support bar 706, and the fourth support bar 707 gradually change from the extended state to the folded state, which makes the tilt angle of the main control screen module relative to the main writing screen module smaller.

[0058] Furthermore, one of the support bars 20 is provided with a first placement groove 21, in which a capacitive pen body 22 is placed; the other support bar 20 is provided with a second placement groove 27.

[0059] like Figure 5 , 9As shown, the capacitive pen body 22 is based on existing mature technology. It adopts a passive active capacitive pen. The capacitive pen body 22 supports pen tip writing and button erasing applications, making it a two-in-one pen. The second placement slot 27 is convenient for placing items, such as chalk.

[0060] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Detachable installation can take many forms, such as through a combination of plug-in and snap-fit ​​connections, or through bolted connections, etc.

[0061] The foregoing, in conjunction with embodiments and accompanying drawings, has clearly and completely described the concept, specific structure, and resulting technical effects of the present invention, so as to fully understand the purpose, features, and effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are all within the scope of protection of the present invention. Furthermore, all connections / linkages mentioned herein do not simply refer to direct contact between components, but rather to the possibility of forming a better connection structure by adding or reducing connecting accessories, depending on the specific implementation.

[0062] The above embodiments, which describe the specific features of the present invention, are only used to further illustrate the present invention and should not be construed as limiting the scope of protection of the present invention. Any non-essential improvements and adjustments made to the present invention by those skilled in the art based on the above description of the invention shall fall within the scope of protection of the present invention.

Claims

1. A multi-functional expandable all-in-one machine, characterized in that, include: Mounting base, adjustable bracket set on the mounting base, and support frame (1) set in the middle of the adjustable bracket, the main writing screen module being set on the support frame (1); It also includes a main control screen module, and a drive linkage bracket (7) is installed between the main control screen module and the main writing screen module. When the drive linkage bracket (7) is running, the main control screen module and the main writing screen module are arranged vertically and their angles are adjusted. The main control screen module is equipped with a control panel (13) and a book clip placement area, which is used to compact teaching books after they are laid out. The adjusting bracket includes a connecting plate (24), which is fixed to the upper surface of the base plate (11), and adjusting rod assemblies (8) respectively disposed on both sides of the connecting plate (24), and the adjusting rod assemblies (8) are used to adjust the tilt of the support frame (1). Each side of the adjustment rod assembly (8) includes a first support rod (803), which is fixed to the side wall of the connecting plate (24), and a second support rod (802) which is rotatably connected to the first support rod (803) via a first connecting shaft (801) provided at the front end of the first support rod (803). It also includes a first slide groove (805) and a second slide groove (813) respectively opened on the first support rod (803) and the second support rod (802), and a first slider (806) and a second slider (812) are slidably installed inside the first slide groove (805) and the second slide groove (813), respectively. The support frame (1) is fixed on the opposite side of the first slider (806) where the two sets of adjusting rod assemblies (8) are located; The system includes a second connecting shaft (809) fixed on the second slider (812), a first transmission rod (811) and a second transmission rod (808) rotatably connected to the second connecting shaft (809), and the first transmission rod (811) is rotatably connected to the third connecting shaft (810) provided on the first slider (806), and the second transmission rod (808) is rotatably connected to the fourth connecting shaft (807) provided on the second support rod (802). The rear end of the second slide (813) is also provided with an electric telescopic rod (804), and the telescopic end of the electric telescopic rod (804) is fixedly connected to the second slider (812) and provides power for the sliding of the second slider (812).

2. The multi-functional expandable all-in-one machine according to claim 1, characterized in that: The mounting base includes a base plate (11) and a suction cup (12) located at the bottom corner of the base plate (11), the suction cup (12) being able to fit against the desktop.

3. The multi-functional expandable all-in-one machine according to claim 1, characterized in that: The main writing screen module includes two mounting strips (2) fixed to the top of the support frame (1) and a main mounting frame (3) fixed to the opposite sides of the two mounting strips (2). The main writing screen body (5) is mounted on the upper surface of the main mounting frame (3).

4. A multi-functional expandable all-in-one machine according to claim 3, characterized in that: The two mounting strips (2) are also provided with auxiliary writing screen modules at their opposite ends. Each set of auxiliary writing screen modules includes an auxiliary mounting frame (4) and an auxiliary writing screen body (6) mounted on the upper surface of the auxiliary mounting frame (4). It also includes two sets of meshing linkage assemblies set between the two mounting strips (2) and the main mounting frame (3). The two sets of meshing linkage assemblies are used to realize the switching action between the extended screen and the folding screen between the two auxiliary writing screen bodies (6) and the main writing screen body (5).

5. A multi-functional expandable all-in-one machine according to claim 4, characterized in that: Each set of meshing link assemblies includes two sets of symmetrically distributed meshing link structures (9), and each set of meshing link structures (9) includes a set of meshing drive assemblies and a set of link transmission assemblies. The linkage transmission assembly includes a first link (906) and a second link (907). One end of the first link (906) and the second link (907) is rotatably connected to the mounting strip (2) via a first pin (908), and the other end is rotatably connected to the auxiliary mounting frame (4) via a second pin (909). The first link (906) and the second link (907) are arranged in parallel and are not in the same plane. The engagement drive assembly includes an electric push rod (901) fixed on the mounting strip (2) and a rack (902) disposed at the telescopic end of the electric push rod (901). It also includes a connecting shaft (905) rotatably connected between the mounting strip (2) and the main mounting frame (3), and a transmission gear (903) fixed on the connecting shaft (905) meshes with a rack (902); A third link (904) is also fixedly installed on the transmission gear (903), and the end of the third link (904) away from the transmission gear (903) is rotatably connected to the third rotating shaft in the middle of the auxiliary mounting frame (4).

6. A multi-functional expandable all-in-one machine according to claim 1, characterized in that: The main control panel module includes a mounting shell (10); and a switch button (16) disposed on the mounting shell (10), the switch button (16) being used to turn the main control panel module on and off; The mounting housing (10) is provided with two USB ports (14) for inserting USB; It also includes two sets of warning circuits. Each set of warning circuits includes a power supply body (26), a trigger plate (25), a USB interface (14), and two electrical plates (23) inside the USB interface (14). When the USB is inserted into the USB interface (14), the connection between the two electrical plates (23) is closed. When the switch button (16) is pressed down to turn off the power of the machine, it drives the trigger plate (25) to move downward and connect the circuit where the power supply body (26) is located.

7. A multi-functional expandable all-in-one machine according to claim 6, characterized in that: The book clip placement area includes a placement frame (17), which is disposed on the mounting shell (10), and a plurality of clamping blocks disposed inside the placement frame (17). Each clamping block includes a mounting component (19), which is provided with a pressure block (18) via a fourth rotating shaft, and a torsion spring is installed between the pressure block (18) and the mounting component (19).

8. A multi-functional expandable all-in-one machine according to claim 6, characterized in that: The drive linkage bracket (7) is provided in two sets and distributed on both sides of the mounting shell (10). Each set of the drive linkage bracket (7) includes a support bar (20) and a first mounting shaft rotatably connected to both ends of the support bar (20). A first support bar (703) and a second support bar (704) are fixed on the two first mounting shafts respectively. The ends of the first support bar (703) and the second support bar (704) away from the support bar (20) are respectively rotatably connected to a third support bar (706) and a fourth support bar (707) through the second mounting shaft. The end of the third support bar (706) away from the first support bar (703) is rotatably connected to the middle of the fourth support bar (707). The mounting shell (10) is fixed on the opposite side of the fourth support bar (707) where the two sets of drive linkage brackets (7) are located. It also includes a fifth support bar (705) rotatably connected to the middle of the second support bar (704), and the end of the fifth support bar (705) away from the second support bar (704) is rotatably connected to the second mounting shaft where the first support bar (703) is located; the support bar (20) is provided with a mounting groove (701), the mounting groove (701) is provided with a motor (702), and the output shaft of the motor (702) passes through the support bar (20) and is fixedly connected to the first mounting shaft where the first support bar (703) is located.

9. A multi-functional expandable all-in-one machine according to claim 8, characterized in that: One of the support bars (20) is also provided with a first placement groove (21), and a capacitive pen body (22) is placed inside the first placement groove (21). Another support bar (20) is provided with a second placement groove (27).

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