A multifunctional modular combination cabinet

Abstract

A multifunctional modular combination cabinet includes a main module cabinet and a sub-module cabinet. The main module cabinet is provided with a TV placement cavity and an article storage cavity. A rolling curtain mechanism is installed in the slide groove of the main module cabinet, and moving mechanisms are arranged on both sides of the rolling curtain mechanism. The rolling curtain mechanism includes an upper rolling curtain shaft installed with a first asynchronous motor and a lower rolling curtain shaft installed with a second asynchronous motor, and a rolling curtain. The magnetic suction device includes an electromagnetic suction cup and a magnetic suction switch, and an adsorption piece is arranged on the side wall of the sub-module cabinet. By arranging a main module cabinet and a plurality of sub-module cabinets, the use functions of different module cabinets are realized. The projection screen surface moves up and down on the main module cabinet to realize the dual viewing mode of TV and projected image. At the same time, the arranged rolling curtain mechanism can switch between the image canvas surface and the projection screen surface to enhance the aesthetics of the cabinet decoration. The plurality of sub-module cabinets can be moved or fixed on both sides of the main module cabinet by magnetic suction.

Description

Technical Field

[0001] The invention belongs to the technical field of multifunctional combined cabinets, and in particular relates to a multifunctional modular combined cabinet. Background Art

[0002] As people's living standards gradually improve, the types of household appliances are becoming more and more abundant, and some household appliances have become necessities of people's lives. With the increase in housing prices, the use of housing space has gradually attracted people's attention. No matter what kind of household appliances are placed, they need to occupy a certain space. How to save space and how to make reasonable use of limited space conditions are issues that people are more concerned about. Under the pressure of high housing prices, most young people like to buy combination cabinets to place things. Although the existing combination cabinets are of various varieties and styles, most of the cabinets are only improved in terms of the size of their storage space, the materials used, and safety performance, but there are still the following problems:

[0003] These cabinets are often fixed in one place, placed against the wall or built into the wall. They cannot be moved conveniently, and their usage is relatively simple, which cannot meet people's needs. They cannot be assembled in a modular manner, especially the design of the TV cabinet, which takes up space and cannot effectively store items, and cannot provide a dual viewing method of TV and projected images. Traditional projection screens are easy to reflect light when not in use, and are generally white or black in color, which affects the appearance when installed on the cabinet. Summary of the invention

[0004] In view of the above, the present invention provides a multifunctional modular combination cabinet to solve the problems raised in the above background technology.

[0005] The technical solution adopted by the present invention to solve its technical problems is as follows: a multifunctional modular combination cabinet is provided, including a main module cabinet for placing a television and a plurality of sub-module cabinets for storing articles, an installation space is provided inside the main module cabinet, and the upper and lower parts of the installation space are respectively a television placement cavity and an article storage cavity, and slide grooves are provided on the two inner sides of the main module cabinet, and a rolling curtain mechanism that can be rotated forward to be retracted or rotated backward to be unfolded is installed in the slide groove, and moving mechanisms that can cooperate with the slide groove to move up and down are provided on both sides of the rolling curtain mechanism; the rolling curtain mechanism includes a rotatable upper rolling curtain shaft and a lower rolling curtain shaft, and a rolling curtain with a plurality of image canvas surfaces and a projection screen surface, and first asynchronous motors that can be reversible are provided at both ends of the upper rolling curtain shaft, and motors that can be rotated forward and backward are provided at both ends of the lower rolling curtain shaft. A reversing second asynchronous motor, the rolling curtain is connected to the upper rolling curtain shaft with one end close to the projection screen surface, and is connected to the lower rolling curtain shaft with the other end close to the image canvas surface; it also includes a magnetic suction device for sucking the sub-module cabinet onto the side wall of the main module cabinet, the magnetic suction device includes a plurality of electromagnetic suction cups for sucking the sub-module cabinet, and a magnetic suction switch for regulating the start and stop of the electromagnetic suction cups, the plurality of electromagnetic suction cups are respectively fixed on the two side walls of the main module cabinet, the side walls of the sub-module cabinet are provided with adsorption parts that cooperate with the electromagnetic suction cups, and the magnetic suction switch is arranged on the outer surface of the main module cabinet; when in use, the rolling curtain mechanism moves on the main module cabinet, so that the TV placement cavity and the item storage cavity are used separately, and the sub-module cabinet is sucked onto the two side walls of the main module cabinet by the electromagnetic suction cups for cabinet assembly.

[0006] Furthermore, the moving mechanism includes multiple linear motors, slide rails, moving buttons for regulating the linear motors and the first asynchronous motor and the second asynchronous motor, a microcontroller, and a relay. The slide rails are respectively embedded in the slide grooves, and the multiple linear motors are respectively installed on the slide rails. The upper rolling curtain shaft and the first asynchronous motor are installed on the upper linear motor, and the lower rolling curtain shaft and the second asynchronous motor are installed on the lower linear motor. The moving buttons are arranged on the outer wall of the main module cabinet, and the microcontroller and the relay are arranged in the main module cabinet.

[0007] Furthermore, a storage compartment is provided inside the sub-module cabinet, a matching opening and closing compartment door is installed on the storage compartment, and a retractable universal wheel mechanism is provided at the bottom of the sub-module cabinet;

[0008] Furthermore, it also includes a control component, which includes a display panel and a travel switch. The display panel and the travel switch are arranged on the outer wall of the main module cabinet. The output ends of the electromagnetic suction cup and the linear motor are connected to the input ends of the microcontroller, and the output ends of the microcontroller are connected to the input ends of the display panel. The action states of the electromagnetic suction cup and the linear motor are displayed on the display panel; the output end of the travel switch is connected to the input end of the microcontroller, and the output end of the microcontroller is connected to the first asynchronous motor and the second asynchronous motor. The first asynchronous motor and the second asynchronous motor are controlled to rotate rapidly in the reverse direction to expand and display the projection screen surface, or to rotate slowly in the forward direction to retract and display the image canvas surface.

[0009] Furthermore, the universal wheel mechanism includes multiple telescopic rods, multiple universal rollers, and a telescopic button for adjusting the telescopic rods. Multiple grooves are opened at the bottom of the sub-module cabinet. Multiple telescopic rods are connected to the universal rollers and are respectively installed in the grooves to realize the movement and fixation of the sub-module cabinet. The telescopic button is set on the outer wall of the sub-module cabinet.

[0010] Furthermore, there are at least two image canvases, and various colors and patterns are painted on the image canvases.

[0011] Furthermore, there are at least two sub-module cabinets, and a plurality of partitions are inserted into the storage bin to divide the storage bin into a plurality of compartments.

[0012] Furthermore, a matching cabinet door is installed on the item storage cavity.

[0013] Furthermore, the opening and closing door of the storage bin is a two-opening door.

[0014] Furthermore, the main module cabinet and the auxiliary module cabinet are both made of environmentally friendly wood.

[0015] The beneficial effects of the present invention are as follows: the present invention provides a multifunctional modular combination cabinet, which realizes the use functions of different module cabinets by setting a main module cabinet and multiple sub-module cabinets. The TV is installed in the TV placement cavity of the main module cabinet, and the projection screen surface moves up and down on the main module cabinet to realize the dual viewing mode of TV and projected image. At the same time, the set rolling screen mechanism can switch the image canvas surface and the projection screen surface. When the projection is not used for viewing, the image canvas surface with various colors and patterns can be displayed on the cabinet, which enhances the aesthetics of the cabinet decoration and is not easy to reflect light; items can be stored in the item storage cavity, and the main module cabinet can be used in a variety of ways. The multiple sub-module cabinets can be moved or magnetically fixed on both sides of the main module cabinet to realize the assembly of the main module cabinet and the multiple sub-module cabinets. The usage methods are diversified to meet people's needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention.

[0017] Figure 2 It is a structural diagram of a main module cabinet and multiple sub-module cabinets.

[0018] Figure 3 It is a schematic diagram of the state of the rolling curtain mechanism when it moves on the main module cabinet.

[0019] Figure 4 It is a schematic diagram of the state in which the first asynchronous motor and the second asynchronous motor rotate forward and gather to display the image canvas surface when the rolling curtain mechanism moves downward.

[0020] Figure 5 This is a schematic diagram of the state in which the first asynchronous motor and the second asynchronous motor rotate in opposite directions to unfold the projection screen surface when the rolling curtain mechanism moves upward.

[0021] Figure 6 It is a structural diagram of the auxiliary module cabinet.

[0022] Figure 7 It is a structural schematic diagram of a universal wheel mechanism arranged at the bottom of a sub-module cabinet.

[0023] Figure 8 It is a circuit flow diagram of the present invention.

[0024] In the figure, 1, main module cabinet; 2, TV placement cavity; 3, TV; 4, projection screen surface; 401, image canvas surface; 5, linear motor; 6, slide; 7, electromagnetic suction cup; 8, display panel; 9, microcontroller; 901, relay; 902, travel switch;

[0025] 10. Move button; 11. Magnetic switch; 12. Sub-module cabinet; 13. Adsorption piece;

[0026] 14. Storage compartment; 15. Opening and closing compartment door; 16. Universal roller; 17. Item storage cavity;

[0027] 18. Cabinet door; 19. Telescopic button; 20. Slide rail; 21. Telescopic rod; 22. Groove;

[0028] 23. Upper roller blind shaft; 24. Lower roller blind shaft; 25. First asynchronous motor; 26. Second asynchronous motor. DETAILED DESCRIPTION

[0029] The present invention is further described below in conjunction with the accompanying drawings and some implementation methods.

[0030] exist Figure 1-8In the invention, a multifunctional modular combination cabinet is provided, including a main module cabinet 1 for placing a TV 3 and a plurality of sub-module cabinets 12 for storing articles. An installation space is provided inside the main module cabinet 1, and the upper and lower parts of the installation space are respectively provided with a TV placement cavity 2 and an article storage cavity 17. Slide grooves 6 are provided on the two inner sides of the main module cabinet 1, and a rolling curtain mechanism that can be rotated forward to be retracted or rotated backward to be unfolded is installed in the slide grooves 6. Moving mechanisms that can cooperate with the slide grooves 6 to move up and down are provided on both sides of the rolling curtain mechanism. When in use, the main module cabinet 1 and the plurality of sub-module cabinets 12 are provided to realize the use functions of different module cabinets. The TV 3 is installed in the TV placement cavity 2 of the main module cabinet 1, and the rolling curtain mechanism moves up and down on the main module cabinet 1 under the action of the moving mechanism. Articles can be stored in the article storage cavity 17. The use methods are diversified to meet people's needs.

[0031] In this embodiment, the rolling curtain mechanism includes a rotatable upper rolling curtain shaft 23 and a lower rolling curtain shaft 24, a rolling curtain provided with a plurality of image canvas surfaces 401 and a projection screen surface 4, a first asynchronous motor 25 capable of forward and reverse rotation is provided at both ends of the upper rolling curtain shaft 23, and a second asynchronous motor 26 capable of forward and reverse rotation is provided at both ends of the lower rolling curtain shaft 24. The rolling curtain is connected to the upper rolling curtain shaft 23 with one end close to the projection screen surface 4, and is connected to the lower rolling curtain shaft 24 with the other end close to the image canvas surface 401; the moving mechanism includes a linear motor 5, a slide rail 20, and a moving button for regulating the linear motor 5 and the first asynchronous motor 25 and the second asynchronous motor 26. 10, microcontroller 9, relay 901, slide rails 20 are respectively embedded in the slide grooves 6, multiple linear motors 5 are respectively installed on the slide rails 20, the upper roller blind shaft 23 and the first asynchronous motor 25 are installed on the upper linear motor 5, the lower roller blind shaft 24 and the second asynchronous motor 26 are installed on the lower linear motor 5, the moving button 10 is arranged on the outer wall of the main module cabinet 1, the microcontroller 9 and the relay 901 are arranged in the main module cabinet 1; the output end of the travel switch 902 is connected to the input end of the microcontroller 9, and the output end of the microcontroller 9 is connected to the first asynchronous motor 25 and the second asynchronous motor 26, regulating the first asynchronous motor 25 and the second asynchronous motor 26 to quickly rotate in the reverse direction When in use, the TV 3 is installed in the TV placement cavity 2 of the main module cabinet 1. When the user needs to use the projection screen surface 4 for projection viewing, the moving button 10 is pressed. Through the circuit signal transmission, the linear motor 5 drives the rolling screen mechanism to move upward on the slide rail 20 to the TV placement cavity 2. At the same time, the travel switch 902 regulates the first asynchronous motor 25 and the second asynchronous motor 26 to quickly rotate in the opposite direction to unfold the projection screen surface 4. The projector projects an image on the projection screen surface 4 for the user to watch. At the same time, the item storage cavity 17 can be opened for item storage. When the user needs to use the TV 3, the moving button 10 is pressed again. By pressing the moving button 10, the linear motor 5 drives the rolling curtain mechanism to move downward on the slide rail 20 to the item storage cavity 17 through circuit signal transmission, so that the user can watch movies through the TV 3, thereby realizing a dual viewing mode of the images projected by the TV 3 and the projection screen surface 4. At the same time, the travel switch 902 regulates the first asynchronous motor 25 and the second asynchronous motor 26 to rotate forward and retract to display the image canvas surface 401. The set rolling curtain mechanism can switch between the image canvas surface 401 and the projection screen surface 4. When not using projection for viewing, the image canvas surface 401 with various colors and patterns can be displayed on the cabinet, which enhances the aesthetics of the cabinet decoration and is not easy to reflect light, meeting people's needs.

[0032] In this embodiment, a storage bin 14 is provided inside the sub-module cabinet 12, and a matching opening and closing bin door 15 is installed on the storage bin 14. A retractable universal wheel mechanism is provided at the bottom of the sub-module cabinet 12; the universal wheel mechanism includes a plurality of telescopic rods 21, a plurality of universal rollers 16, and a telescopic button 19 for adjusting the telescopic rods 21. A plurality of grooves 22 are provided at the bottom of the sub-module cabinet 12, and a plurality of the telescopic rods 21 are connected to the universal rollers 16 and are respectively installed in the grooves 22 to realize the movement and fixation of the sub-module cabinet 12. The telescopic button 19 is arranged on the outer wall of the sub-module cabinet 12. When in use, the storage bin 14 is used to store various items. When the sub-module cabinet 12 needs to be moved, the telescopic button 19 is pressed, and the circuit signal is transmitted to adjust the telescopic rod 21 to cause the universal roller 16 to extend from the groove 22, so as to facilitate the movement of the sub-module cabinet 12. When it is moved to the specified position, the telescopic button 19 is pressed again, and the circuit signal is transmitted to adjust the telescopic rod 21 to drive the universal roller 16 to retract into the groove 22. The sub-module cabinet 12 is fixed on the ground for use by users. The sub-module cabinet 12 is easy to move and has a variety of usage methods to meet people's needs.

[0033] In this embodiment, it also includes a magnetic device for sucking the sub-module cabinet 12 onto the side wall of the main module cabinet 1, the magnetic device includes a plurality of electromagnetic suction cups 7 for sucking the sub-module cabinet 12, and a magnetic switch 11 for regulating the start and stop of the electromagnetic suction cups 7. The plurality of electromagnetic suction cups 7 are respectively fixed on the two side walls of the main module cabinet 1, and the side wall of the sub-module cabinet 12 is provided with an adsorption piece 13 that cooperates with the electromagnetic suction cup 7. The magnetic switch 11 is arranged on the outer surface of the main module cabinet 1. When in use, the sub-module cabinet 12 is moved to both sides of the main module cabinet 1 through the universal wheel mechanism, so that the electromagnetic suction cup 7 fits with the adsorption piece 13, and the electromagnetic suction cup 7 is pressed against the adsorption piece 13. The lower magnetic switch 11, through circuit signal transmission, regulates the electromagnetic suction cup 7 to generate a strong magnetic attraction, and magnetically attracts the sub-module cabinet 12 to both sides of the main module cabinet 1, thereby realizing the assembly of the main module cabinet 1 and multiple sub-module cabinets 12. The usage methods are diversified to meet people's needs. The storage cabinet is reasonably used under limited space conditions to change the user's indoor space. When the sub-module cabinet 12 needs to be moved, the magnetic switch 11 is pressed again, and the electromagnetic suction cup 7 is regulated to stop the magnetic attraction through circuit signal transmission, so that the user can move the sub-module cabinet 12 to various positions conveniently and quickly. The modular combination cabinet can be assembled conveniently and quickly to better meet user needs.

[0034] In this embodiment, there are at least two sub-module cabinets 12, and a plurality of partitions are inserted into the storage bin 14 to divide the storage bin 14 into a plurality of compartments; the plurality of sub-module cabinets 12 can be moved or magnetically fixed on both sides of the main module cabinet 1 to realize the assembly of the main module cabinet 1 and the plurality of sub-module cabinets 12, with diversified usage methods, and the plurality of compartments can allow users to store more items.

[0035] In this embodiment, a matching cabinet door 18 is installed on the item storage cavity 17; the cabinet door 18 closes the item storage cavity 17 to prevent dust from falling into the item storage cavity 17 and dirtying the items, and at the same time, prevents the items from falling into the item storage cavity 17.

[0036] In this embodiment, it also includes a control component, which includes a display panel 8 and a microcontroller 9. The display panel 8 is arranged on the outer wall of the main module cabinet 1, and the microcontroller 9 is arranged inside the main module cabinet 1. The output ends of the electromagnetic suction cup 7 and the linear motor 5 are connected to the input ends of the microcontroller 9, and the output end of the microcontroller 9 is connected to the input end of the display panel 8. The action status of the electromagnetic suction cup 7 and the linear motor 5 is displayed on the display panel 8. When in use, press the magnetic switch 11 or move the button 10 to generate a control signal and transmit it to the microcontroller 9. The microcontroller 9 converts the control signal into a display signal and transmits it to the display panel 8, displaying the action status of the electromagnetic suction cup 7 and the linear motor 5 for the user to observe, and judging whether the electromagnetic suction cup 7 and the linear motor 5 have failed and need to be replaced, so as to ensure the normal use of the multifunctional modular combination cabinet.

[0037] In this embodiment, there are at least two image canvas surfaces, and various colors and patterns are painted on the image canvas surfaces; the linear motor 5 drives the rolling curtain mechanism to move downward on the slide rail 20 to the item storage cavity 17, and the travel switch 902 regulates the first asynchronous motor 25 and the second asynchronous motor 26 to rotate forward and gather to display the image canvas surface 401. When not using projection for viewing, the first asynchronous motor 25 and the second asynchronous motor 26 are slowly regulated to rotate forward, and different image canvas surfaces 401 painted with various colors and patterns can be displayed on the cabinet, thereby enhancing the aesthetics of the cabinet decoration and preventing glare.

[0038] In this embodiment, the opening and closing door 15 of the storage bin 14 is a two-opening door, which is convenient for the user to open the two-opening door to store items.

[0039] In this embodiment, the main module cabinet 1 and the sub-module cabinet 12 are both made of environmentally friendly wood, which is environmentally friendly and healthy and can better meet the needs of users.

[0040] In this embodiment, the control circuit of the present invention is a common circuit in the circuit field. The device of the present invention can be connected to an external power supply or a built-in battery through a power cord to provide power for the device. Technicians in the relevant technical field can implement it and will not be elaborated here.

[0041] In this embodiment, the linear motor 5 is a common motor device, such as a 25BYZ series linear motor.

[0042] In this embodiment, the electromagnetic chuck 7 is a common electromagnetic chuck device, such as X2015L-05A9.5 model, YR-P12 / 12 model electromagnetic chuck device, etc.

[0043] In this embodiment, the microcontroller 9 is a common electrical component, such as a single chip microcomputer of the AT89C2051 or TMS320VC5509A model.

[0044] In this embodiment, the telescopic rod 21 is a common electric telescopic device, such as HB-DJ806, HTKC-55, NKLA34 and other telescopic rod devices.

[0045] In this embodiment, the travel switch 902 is a common travel switch device, such as WLCA12-N model, Taiwan Maoren ME series 8108 9101 model travel switch device, etc.

[0046] In this embodiment, the first asynchronous motor 25 and the second asynchronous motor 26 are common asynchronous motor devices, such as rotating motors of the GB / T4831-2016 model and the Y160M-4 model.

[0047] The present invention is specifically implemented as follows: when in use, by setting a main module cabinet 1 and a plurality of sub-module cabinets 12, the use functions of different module cabinets are realized, and the TV 3 is installed in the TV placement cavity 2 of the main module cabinet 1. When the user needs to use the projection screen surface 4 for projection viewing, the moving button 10 is pressed, and through the circuit signal transmission, the linear motor 5 drives the rolling screen mechanism to move upward on the slide rail 20 to the TV placement cavity 2. At the same time, the travel switch 902 controls the first asynchronous motor 25 and the second asynchronous motor 26 to quickly rotate in the opposite direction to unfold the projection screen surface 4, and the projector is on the projection screen. The image is projected on the projection screen surface 4 for the user to watch. When the user needs to use the TV 3, the moving button 10 is pressed again. Through the circuit signal transmission, the linear motor 5 drives the rolling curtain mechanism to move downward on the slide rail 20 to the article storage cavity 17 for the user to watch the movie through the TV 3, thereby realizing the dual viewing mode of the image projected by the TV 3 and the projection screen surface 4. At the same time, the travel switch 902 regulates the first asynchronous motor 25 and the second asynchronous motor 26 to rotate forward and close to display the image canvas surface 401. The set rolling curtain mechanism can switch the image canvas surface 401 and the projection screen surface 4. When using projection for viewing, the image canvas surface 401 with various colors and patterns can be displayed on the cabinet, which enhances the aesthetics of the cabinet decoration, is not easy to reflect light, and meets people's needs; the storage compartment 14 is used to store various items. When the sub-module cabinet 12 needs to be moved, the telescopic button 19 is pressed, and the circuit signal is transmitted to adjust the telescopic rod 21 to move, driving the universal roller 16 to extend from the groove 22, so as to facilitate the movement of the sub-module cabinet 12. The sub-module cabinet 12 is moved to both sides of the main module cabinet 1, so that the electromagnetic suction cup 7 is fitted with the adsorption member 13, and the magnetic suction switch 11 is pressed, and the circuit signal is transmitted to adjust the telescopic rod 21 to move, so that the universal roller 16 is extended from the groove 22, so as to facilitate the movement of the sub-module cabinet 12. Transmission, regulating the electromagnetic suction cup 7 to produce a strong magnetic attraction, magnetically attracting the sub-module cabinet 12 to both sides of the main module cabinet 1, realizing the assembly of the main module cabinet 1 and multiple sub-module cabinets 12, diversifying the usage methods, meeting people's needs, rationally utilizing the storage cabinet under limited space conditions, changing the user's indoor space, when the sub-module cabinet 12 needs to be moved, pressing the magnetic suction switch 11 again, through the circuit signal transmission, regulating the electromagnetic suction cup 7 to stop the magnetic attraction, facilitating the user to move the sub-module cabinet 12 to various positions, convenient and fast modular combination cabinet assembly, better meeting user needs. At the same time, the microcontroller 9 converts the control signal into a display signal and transmits it to the display panel 8, displaying the action status of the electromagnetic suction cup 7 and the linear motor 5 for the user to observe, judging whether the electromagnetic suction cup 7 and the linear motor 5 have failed and need to be replaced, and ensuring the normal use of the multifunctional modular combination cabinet.

[0048] It is worth noting that: in the description of the present invention, the meaning of "multiple" is two or more than two, unless otherwise clearly defined. In the present invention, unless otherwise clearly defined and defined, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0049] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A multifunctional modular combination cabinet, characterized in that: It comprises a main module cabinet for placing a TV and a plurality of sub-module cabinets for storing articles. An installation space is provided inside the main module cabinet. The upper and lower parts of the installation space are respectively a TV placement cavity and an article storage cavity. Slide grooves are provided on both inner sides of the main module cabinet. A rolling curtain mechanism that can rotate forward to retract or rotate backward to unfold is installed in the slide groove. Moving mechanisms that can move up and down in coordination with the slide groove are provided on both sides of the rolling curtain mechanism. The rolling curtain mechanism comprises a rotatable upper rolling curtain shaft and a lower rolling curtain shaft, and a rolling curtain having a plurality of image canvas surfaces and a projection screen surface, wherein a first asynchronous motor capable of forward and reverse rotation is disposed at both ends of the upper rolling curtain shaft, and a second asynchronous motor capable of forward and reverse rotation is disposed at both ends of the lower rolling curtain shaft, and the rolling curtain is connected to the upper rolling curtain shaft with one end close to the projection screen surface, and connected to the lower rolling curtain shaft with the other end close to the image canvas surface; It also includes a magnetic suction device for sucking the sub-module cabinet onto the side wall of the main module cabinet, the magnetic suction device includes a plurality of electromagnetic suction cups for sucking the sub-module cabinet and a magnetic suction switch for regulating the start and stop of the electromagnetic suction cups, the plurality of electromagnetic suction cups are respectively fixed on the two side walls of the main module cabinet, the side wall of the sub-module cabinet is provided with an adsorption piece that cooperates with the electromagnetic suction cup, and the magnetic suction switch is arranged on the outer surface of the main module cabinet; when in use, the rolling curtain mechanism moves on the main module cabinet, so that the TV placement cavity and the item storage cavity are used separately, and the sub-module cabinet is sucked onto the two side walls of the main module cabinet by the electromagnetic suction cup for cabinet assembly.

2. The multifunctional modular cabinet according to claim 1, characterized in that: The moving mechanism includes multiple linear motors, slide rails, moving buttons for regulating the linear motors and the first asynchronous motor and the second asynchronous motor, a microcontroller, and a relay. The slide rails are respectively embedded in the slide grooves, and the multiple linear motors are respectively installed on the slide rails. The upper rolling curtain shaft and the first asynchronous motor are installed on the upper linear motor, and the lower rolling curtain shaft and the second asynchronous motor are installed on the lower linear motor. The moving buttons are arranged on the outer wall of the main module cabinet, and the microcontroller and the relay are arranged in the main module cabinet.

3. The multifunctional modular cabinet according to claim 1, characterized in that: A storage bin is provided inside the sub-module cabinet, a matching opening and closing bin door is installed on the storage bin, and a retractable universal wheel mechanism is provided at the bottom of the sub-module cabinet.

4. The multifunctional modular cabinet according to claim 2, characterized in that: It also includes a control component, which includes a display panel and a travel switch. The display panel and the travel switch are arranged on the outer wall of the main module cabinet. The output ends of the electromagnetic suction cup and the linear motor are connected to the input end of the microcontroller, and the output end of the microcontroller is connected to the input end of the display panel. The action status of the electromagnetic suction cup and the linear motor is displayed on the display panel; the output end of the travel switch is connected to the input end of the microcontroller, and the output end of the microcontroller is connected to the first asynchronous motor and the second asynchronous motor. The first asynchronous motor and the second asynchronous motor are controlled to rotate rapidly in the reverse direction to expand and display the projection screen surface, or to rotate slowly in the forward direction to retract and display the image canvas surface.

5. The multifunctional modular cabinet according to claim 3, characterized in that: The universal wheel mechanism includes multiple telescopic rods, multiple universal rollers, and a telescopic button for adjusting the telescopic rods. Multiple grooves are opened at the bottom of the sub-module cabinet. Multiple telescopic rods are connected to the universal rollers and are respectively installed in the grooves to realize the movement and fixation of the sub-module cabinet. The telescopic button is set on the outer wall of the sub-module cabinet.

6. The multifunctional modular cabinet according to claim 1, characterized in that: There are at least two image canvases, and various colors and patterns are painted on the image canvases.

7. The multifunctional modular cabinet according to claim 1, characterized in that: There are at least two sub-module cabinets, and a plurality of partitions are inserted into the storage bin to divide the storage bin into a plurality of compartments.

8. The multifunctional modular cabinet according to claim 1, characterized in that: The article storage cavity is provided with a matching cabinet door.

9. The multifunctional modular cabinet according to claim 3, characterized in that: The opening and closing door of the storage bin is a two-opening door.

10. The multifunctional modular cabinet according to claim 1, characterized in that: The main module cabinet and the auxiliary module cabinet are both made of environmentally friendly wood.

Images