Display device

Abstract

The utility model provides a display device which comprises a rear shell, the rear shell is provided with a containing groove, the containing groove is used for containing a system module, the system module is detachably connected to the rear shell, and the system module is used for enabling the display device to have the function of a preset system. According to the application, firstly, the accommodating groove is formed in the rear shell, and the accommodating groove can accommodate various system modules; when the display device is not additionally provided with a system module, the display device can be used as a display. And when a system module is additionally arranged in the accommodating groove, the display device can be upgraded to electronic equipment with corresponding preset system functions, so that the function expansion of the display device is realized. And secondly, the system module is accommodated in the accommodating groove, so that convex hulls on the rear shell can be avoided, the appearance of the whole machine is prevented from being bloated, the appearance performance of the display device is improved, and wall hanging is facilitated. In addition, the system module is detachably connected in the accommodating groove of the rear shell, so that the mounting and dismounting difficulty of the system module can be reduced.

Description

Technical Field

[0001] The present application belongs to the field of display technology, and specifically relates to a display device. Background Art

[0002] The display device can display images for users to view, but the display device only has the display function. The corresponding modules are integrated into the whole machine during assembly, which makes it inconvenient to replace the modules, and thus cannot meet the growing needs of users. At present, in order to add various modules to the display device, they can only be bundled to the display device through the external plug-in mode. After assembly, there is a bulge on the back shell, the appearance of the whole machine is bloated, which affects the appearance and performance, and is not convenient for wall hanging. Utility Model Content

[0003] In view of this, the present application provides a display device, which includes a rear shell, the rear shell is provided with a receiving groove, the receiving groove is used to receive a system module, the system module is detachably connected to the rear shell, and the system module is used to enable the display device to have the function of a preset system.

[0004] The display device provided by the present application firstly has a receiving groove in the rear shell, and the receiving groove can receive various system modules. When the display device is not equipped with a system module, it can be used as a display. When a system module is added in the receiving groove, the display device can also be upgraded to an electronic device with a corresponding preset system function, thereby expanding the function of the display device. Secondly, the system module is accommodated in the receiving groove to avoid a bulge on the rear shell, avoid a bloated appearance of the whole machine, improve the appearance performance of the display device, and facilitate wall hanging. In addition, the system module can be detachably connected to the receiving groove of the rear shell to reduce the difficulty of installing and disassembling the system module.

[0005] Wherein, the display device further comprises a fixing bracket, the fixing bracket is detachably connected to the bottom wall of the receiving groove, and the system module is threadedly connected to the fixing bracket.

[0006] Among them, one end of the fixing bracket cooperates with the bottom wall of the receiving groove through a reverse hook buckle and a buckle groove, so that one end of the fixing bracket is buckled and connected to the bottom wall of the receiving groove; the other end of the fixing bracket is threadedly connected to the bottom wall of the receiving groove.

[0007] The display device further comprises a first back cover for covering at least a portion of the opening of the receiving slot, the first back cover is detachably connected to the rear shell, and the first back cover is also used for covering the system module.

[0008] Among them, one end of the first rear cover cooperates with the side wall of the receiving groove through an insertion column and an insertion hole, so that one end of the first rear cover is inserted into the side wall of the receiving groove; a threaded column is provided on the bottom wall of the receiving groove, and the other end of the first rear cover is abutted against the threaded column and threadedly connected with the threaded column.

[0009] Among them, the display device also includes a front shell and a control panel, the front shell is used to install a display screen, the front shell is fixed to the rear shell, and is surrounded by the rear shell to form a receiving space, the control panel is arranged in the receiving space, the control panel is provided with an electrical connection line, the electrical connection line passes through the rear shell and is arranged in the receiving groove, the electrical connection line is used to electrically connect the system module so that the system module is electrically connected to the control panel.

[0010] Wherein, the bottom wall of the receiving groove is provided with a buckle structure, and the electrical connection line can be buckled on the buckle structure.

[0011] Wherein, the side wall of the receiving groove is provided with a plurality of functional interfaces.

[0012] Among them, along the circumferential direction of the rear shell, the rear shell is provided with a plurality of USB interfaces, and the display device further comprises a plurality of second rear covers, each of which is detachably connected to the rear shell, and the second rear covers are used to shield the USB interfaces.

[0013] The rear shell is rectangular along the circumferential direction of the rear shell, each side of the rectangular rear shell is provided with a USB interface, and the four USB interfaces are respectively used to plug in a camera module, a scanning module, a first radio frequency identification module, and a second radio frequency identification module. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the implementation modes of the present application, the drawings required for use in the implementation modes of the present application will be described below.

[0015] Figure 1 Schematic diagram of the three-dimensional structure of a display device in one embodiment of the present application.

[0016] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the display device from another viewing angle is shown.

[0017] Figure 3 for Figure 2 The three-dimensional structural diagram of the display device when the system module is assembled is shown.

[0018] Figure 4 for Figure 3 An exploded view of the display device is shown.

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the rear housing, the fixing bracket, and the system module when they cooperate with each other in one embodiment of the present application.

[0020] Figure 6 for Figure 5 An exploded view of the rear housing, fixing bracket, and system module is shown.

[0021] Figure 7 for Figure 6 An exploded view of the fixing bracket and system module from another perspective is shown.

[0022] Figure 8 It is a schematic diagram of the three-dimensional structure of the rear shell, the system module, and the first rear cover when they cooperate with each other in one embodiment of the present application.

[0023] Fig. 9 for Figure 8 An exploded view of the rear housing, the system module, and the first rear cover is shown.

[0024] Fig.10 for Fig. 9 A schematic diagram of the three-dimensional structure of the rear shell from another perspective is shown.

[0025] Fig.11 It is an exploded view of the rear shell and the second rear cover in one embodiment of the present application.

[0026] Fig.12 It is an exploded view of a rear cover, a camera module, a scanning module, a first radio frequency identification module, and a second radio frequency identification module in one embodiment of the present application.

[0027] Description of labels:

[0028] Display device-1, rear shell-10, receiving slot-100, supporting part-11, buckle slot-111, threaded hole-112, plug hole-12, threaded column-13, buckle structure-14, functional interface-15, installation slot-16, USB interface-17, front shell-20, display screen-30, touch module-31, display module-32, control board-40, electrical connection line-41, system module-50, fixing bracket-60, inverted hook buckle-61, first rear cover-70, plug column-71, second rear cover-80, camera module-91, scanning module-92, first radio frequency identification module-93, second radio frequency identification module-94. DETAILED DESCRIPTION

[0029] The following are preferred implementations of the present application. It should be noted that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application, and these improvements and modifications are also considered to be within the scope of protection of the present application.

[0030] In view of this, in order to solve the above problems, this application provides a display device, please refer to Figure 1-Figure 4 , Figure 1 Schematic diagram of the three-dimensional structure of a display device in one embodiment of the present application. Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the display device from another viewing angle is shown. Figure 3 for Figure 2 The three-dimensional structural diagram of the display device when the system module is assembled is shown. Figure 4 for Figure 3 The present embodiment provides a display device 1, the display device 1 comprises a rear shell 10, the rear shell 10 is provided with a receiving groove 100, the receiving groove 100 is used to receive a system module 50, the system module 50 is detachably connected to the rear shell 10, and the system module 50 is used to enable the display device 1 to have the function of a preset system.

[0031] The display device 1 is a device that can display images for users to watch. For example, the display device 1 includes a display, a television, a mobile phone, a computer, a tablet, etc. This embodiment and the following are only schematically described with a television. The display device 1 includes a variety of components, such as a front shell 20, a rear shell 10, a display screen 30, a control panel 40, etc. The rear shell 10 is mainly used to install and protect other components and provide a foundation for the installation of other components. The front shell 20 is mainly used to install the display screen 30 and provide a foundation for the installation of the display screen 30. Optionally, the display screen 30 is prepared by a full bonding process of a touch module 31 and a display module 32 to solve the problems of screen reflection and display image ghosting.

[0032] The front shell 20 is also used to be fixed with the rear shell 10, so as to realize the assembly of the entire display device 1. For example, the front shell 20 and the rear shell 10 can be installed in a snap-fit ​​manner, so that the fixing screws are not visible from the outside of the display device 1, thereby improving the appearance performance of the display device 1. The front shell 20 and the rear shell 10 can be surrounded to form a receiving space, and various components can be installed in the receiving space. The control board 40 is the main board of the display device 1, which is mainly used to control various functions of the display device 1. The control board 40 can be installed in the receiving space.

[0033] The display device 1 has rounded corners all around, and the rear shell 10 has a streamlined arc design, which can not only install more components, but also further improve the appearance performance of the display device 1. Optionally, the thickness of the display device 1 is 41 mm, the thickness of the front shell 20 is 11.8 mm, and the thickness of the streamlined rear shell 10 is 29.2 mm. In addition, the rear shell 10 is usually provided with a plurality of screw holes, for example, 4 screw holes are provided at the center of the rear shell 10, so as to facilitate the installation of the base and wall hanging.

[0034] As can be seen from the background technology, the rear shell 10 of the current display device 1 is flat. If other functional modules are to be added, they can only be tied to the machine by external plug-in or fixed to the machine in other ways. As a result, the prior art cannot realize the free replacement of various peripheral modules. After assembly, the rear shell 10 has a bulge, the appearance of the whole machine is bloated, affecting the appearance and performance, and is not convenient for wall hanging.

[0035] In this embodiment, a receiving slot 100 is first provided in the rear shell 10, and the receiving slot 100 can receive various system modules 50. The system module 50 can be understood as a component with various system functions, and can also be called a system box, such as an Android system box, a Google system box, a computer system box, etc. The system module 50 can be a module provided by the display device 1, or a module that is additionally configured by the subsequent user according to personal needs. Optionally, the receiving slot 100 is provided at the center of the rear shell 10.

[0036] When the display device 1 is not equipped with the system module 50, it can be used as a normal display. When the system module 50 is installed in the receiving slot 100, the system module 50 can also upgrade the display device 1 to an electronic device with corresponding preset system functions by electrically connecting the control board 40, thereby expanding the functions of the display device 1. For example, when embedded in an Android system box, the display device 1 can be upgraded to a display device 1 with Android functions, when embedded in a Google system box, the display device 1 can be upgraded to a display device 1 with Google functions, and when embedded in a computer system box, the display device 1 can be upgraded to an all-in-one computer.

[0037] Secondly, the system module 50 is accommodated in the receiving groove 100, which can reduce the thickness of the whole device, improve the flatness of the rear shell 10, avoid the rear shell 10 having a bulge, avoid the appearance of the whole device being bloated, improve the appearance performance of the display device 1, and facilitate wall hanging. In addition, the system module 50 can be detachably connected to the receiving groove 100 of the rear shell 10 to reduce the difficulty of installation and removal of the system module 50, and facilitate replacement of other types of system modules 50.

[0038] In summary, this embodiment is designed to hide the rear shell 10 of the display device 1 for assembling and replacing system modules 50 with different configurations. It can be used as a display device 1 in normal use, and can be transformed into a device with a system by adding a system module 50 externally.

[0039] Please refer to Figure 5-Figure 7 , Figure 5 It is a schematic diagram of the three-dimensional structure of the rear housing, the fixing bracket, and the system module when they cooperate with each other in one embodiment of the present application. Figure 6 for Figure 5 An exploded view of the rear housing, fixing bracket, and system module is shown. Figure 7 for Figure 6The exploded view of the fixing bracket and the system module from another perspective is shown. In this embodiment, the display device 1 further comprises a fixing bracket 60 , which is detachably connected to the bottom wall of the receiving slot 100 , and the system module 50 is threadedly connected to the fixing bracket 60 .

[0040] In addition to the above components, the display device 1 may also include a fixing bracket 60. The fixing bracket 60 may first be threadedly connected to the system module 50, that is, the system module 50 may be fixed together by locking screws. The fixing bracket 60 may also be detachably connected to the bottom wall of the receiving groove 100, so as to achieve the fixation of the system module 50 and the rear housing 10. Specifically, when installing, the system module 50 may be firstly threadedly connected to the fixing bracket 60, and then the fixing bracket 60 may be fixed to the bottom wall of the receiving groove 100. When disassembling, the fixing bracket 60 may be firstly removed from the bottom wall of the receiving groove 100, and then the system module 50 may be removed from the fixing bracket 60.

[0041] In summary, the system module 50 is not directly fixed to the rear housing 10 , but is indirectly fixed to the rear housing 10 via the fixing bracket 60 , so that the system module 50 can be easily assembled into the receiving slot 100 without being loose.

[0042] In this embodiment, one end of the fixing bracket 60 cooperates with the bottom wall of the receiving groove 100 through a reverse hook buckle 61 and a buckle groove 111, so that one end of the fixing bracket 60 is buckled and connected to the bottom wall of the receiving groove 100; the other end of the fixing bracket 60 is threadedly connected to the bottom wall of the receiving groove 100.

[0043] The fixing bracket 60 has two opposite ends, and both opposite ends of the fixing bracket 60 can be detachably connected to the bottom wall of the receiving groove 100. Specifically, one end of the fixing bracket 60 cooperates with the bottom wall of the receiving groove 100 through a first buckle structure and a second buckle structure, and the first buckle structure and the second buckle structure can be an inverted hook buckle 61 and a buckle slot 111. For example, the fixing bracket 60 is provided with an inverted hook buckle 61, and the bottom wall of the receiving groove 100 is provided with a buckle slot 111, or the fixing bracket 60 is provided with a buckle slot 111, and the bottom wall of the receiving groove 100 is provided with an inverted hook buckle 61. This embodiment is only schematically described by providing the fixing bracket 60 with an inverted hook buckle 61 and the bottom wall of the receiving groove 100 with a buckle slot 111. By buckling the inverted hook buckle 61 in the buckle slot 111, the buckling between one end of the fixing bracket 60 and the rear shell 10 is achieved. The other end of the fixing bracket 60 can be connected to the bottom wall of the receiving groove 100 by means of threads, that is, the other end of the fixing bracket 60 can be detachably connected to the bottom wall of the receiving groove 100 by means of screwing.

[0044] In summary, the two ends of the fixing bracket 60 are detachably connected to the bottom wall of the receiving groove 100 in different ways. When installing, one end of the fixing bracket 60 can be snapped to the bottom wall of the receiving groove 100, and then the other end of the fixing bracket 60 can be threadedly connected to the bottom wall of the receiving groove 100. When disassembling, the other end of the fixing bracket 60 can be firstly separated from the bottom wall of the receiving groove 100 by thread, and then one end of the fixing bracket 60 can be snapped and separated from the bottom wall of the receiving groove 100.

[0045] Optionally, a support portion 11 is provided on the bottom wall of the receiving groove 100 to support the fixing bracket 60 to prevent the fixing bracket 60 from being suspended in a large area. Further optionally, three groups of support portions 11 are provided on the bottom wall of the receiving groove 100, and the support portion 11 on one side is provided with a buckle groove 111, and the support portion 11 on the other side is provided with a threaded hole 112.

[0046] Please refer to Figure 8-Figure 10 , Figure 8 It is a schematic diagram of the three-dimensional structure of the rear shell, the system module, and the first rear cover when they cooperate with each other in one embodiment of the present application. Fig. 9 for Figure 8 An exploded view of the rear housing, the system module, and the first rear cover is shown. Fig.10 for Fig. 9 In this embodiment, the display device 1 further comprises a first rear cover 70 for shielding at least a portion of the opening of the receiving slot 100 , the first rear cover 70 is detachably connected to the rear shell 10 , and the first rear cover 70 is also used to shield the system module 50 .

[0047] Since the rear shell 10 is provided with the receiving groove 100, there is a groove body at the rear shell 10 when the system module 50 is not set. When the system module 50 is set, the system module 50 is also exposed to the rear shell 10, which not only reduces the appearance performance, but also makes the system module 50 easy to fall from the receiving groove 100. In this embodiment, a first rear cover 70 can be added, and the first rear shell 10 can cover at least part of the receiving groove 100, thereby improving the appearance performance of the display device 1. In addition, the first rear shell 10 can also cover the system module 50 and prevent the system module 50 from falling from the receiving groove 100. In addition, the first rear cover 70 is detachably connected to the rear shell 10 to facilitate the installation and removal of the first rear cover 70.

[0048] In this embodiment, one end of the first rear cover 70 cooperates with the side wall of the receiving groove 100 through the plug-in column 71 and the plug-in hole 12, so that one end of the first rear cover 70 is plugged into the side wall of the receiving groove 100; a threaded column 13 is provided on the bottom wall of the receiving groove 100, and the other end of the first rear cover 70 is abutted against the threaded column 13 and is threadedly connected to the threaded column 13.

[0049] The first rear cover 70 has two opposite ends, and either end of the first rear cover 70 can be detachably connected to the rear shell 10. Specifically, one end of the first rear cover 70 can cooperate with the side wall of the receiving groove 100 through a first plug-in structure and a second plug-in structure, and the first plug-in structure and the second plug-in structure can be a plug-in column 71 and a plug-in hole 12. For example, one end of the first rear cover 70 can be provided with a plug-in column 71, and the side wall of the receiving groove 100 is provided with a plug-in hole 12, or one end of the first rear cover 70 can be provided with a plug-in hole 12, and the side wall of the receiving groove 100 is provided with a plug-in column 71. This embodiment is only schematically described by providing one end of the first rear cover 70 with a plug-in column 71 and the side wall of the receiving groove 100 with a plug-in hole 12. By inserting the plug-in column 71 into the plug-in hole 12, one end of the first rear cover 70 is plugged into the side wall of the receiving groove 100.

[0050] A threaded column 13 is protruding from the bottom wall of the receiving groove 100, and the other end of the first rear cover 70 can be abutted against the threaded column 13, thereby supporting the first rear cover 70. In addition, the other end of the first rear cover 70 can be connected to the threaded column 13 by threading, that is, the other end of the first rear cover 70 can be connected to the threaded column 13 by locking screws, thereby realizing the detachable connection between the other end of the first rear cover 70 and the bottom wall of the receiving groove 100.

[0051] In summary, the two ends of the first rear cover 70 are detachably connected to the receiving groove 100 in different ways. When installing, one end of the first rear cover 70 can be inserted into the side wall of the receiving groove 100, and then the other end of the first rear cover 70 can be threadedly connected to the bottom wall of the receiving groove 100. When disassembling, the other end of the first rear cover 70 can be threadedly separated from the bottom wall of the receiving groove 100, and then one end of the first rear cover 70 can be plugged and pulled apart from the side wall of the receiving groove 100.

[0052] Please refer again Figure 4 and Fig. 9 In this embodiment, the display device 1 further includes a front shell 20 and a control board 40. The front shell 20 is used to install the display screen 30. The front shell 20 is fixed to the rear shell 10 and is surrounded by the rear shell 10 to form a receiving space. The control board 40 is arranged in the receiving space. The control board 40 is provided with an electrical connection line 41. The electrical connection line 41 passes through the rear shell 10 and is arranged in the receiving groove 100. The electrical connection line 41 is used to electrically connect the system module 50 so that the system module 50 is electrically connected to the control board 40.

[0053] The front housing 20 and the control panel 40 have been described in detail above, and the present embodiment will not be described in detail here. The control panel 40 is disposed in the receiving space, and therefore cannot be directly electrically connected to the system module 50. In the present embodiment, an electrical connection line 41 is disposed on the control panel 40, and the electrical connection line 41 passes through the side wall of the receiving groove 100 and is disposed in the receiving groove 100, so as to facilitate electrical connection with the system module 50 in the receiving groove 100, thereby achieving electrical connection between the control panel 40 and the system module 50, and upgrading the display device 1 to a device with a system.

[0054] Optionally, the electrical connection line 41 includes but is not limited to a TYPEC line, which can achieve full-function output, support various signal transmissions and 100W reverse power supply, and can achieve all functional connections of the system module 50 only through the TYPEC full-function interface 15, reducing wires and achieving one-line transmission and power functions. Optionally, the electrical connection line 41 uses soft wires and an elbow seat, which effectively solves the connection between the system modules 50 at different positions outside, and the interface is hidden, beautiful and firm.

[0055] Please refer again Fig.10 In this embodiment, the bottom wall of the receiving groove 100 is provided with a buckle structure 14, and the electrical connection line 41 can be buckled on the buckle structure 14. In other words, the electrical connection line 41 can be fixed to the bottom wall of the receiving groove 100 through the buckle structure 14, such as a clamping groove. When the system module 50 is not set, the electrical connection line 41 can be fixed to the bottom wall of the receiving groove 100 to prevent the electrical connection line 41 from falling off. When the system module 50 is set, the electrical connection line 41 can also be conveniently taken out and connected to the system module 50.

[0056] Please refer again Fig.10 In the present embodiment, various interfaces and terminals of the display device 1 in the related art are usually arranged on the peripheral side or the back side of the rear shell 10. Since the receiving groove 100 is provided in the present embodiment, a plurality of functional interfaces 15 can be provided on the side wall of the receiving groove 100. In other words, the external functional interface 15 is transferred into the receiving groove 100, so that the user cannot see the functional interface 15 from the outside, thereby improving the appearance performance of the display device 1.

[0057] Optionally, the functional interface 15 includes but is not limited to one or more of TYPEC interface, DP interface, HDMI interface, USB interface 17, touch interface, and power interface, realizing the full functions of TYPEC, supporting various signal transmissions and 100W reverse power supply, DP, and HDMI signal input and display, and the USB can be connected to the host of the peripheral signal to realize multi-touch function.

[0058] Please refer to Figure 8 and Fig.11 , Fig.11 1 is an exploded view of the rear shell and the second rear cover in one embodiment of the present application. In this embodiment, along the circumferential direction of the rear shell 10, the rear shell 10 is provided with a plurality of USB ports 17, and the display device 1 further includes a plurality of second rear covers 80, each of which is detachably connected to the rear shell 10, and the second rear covers 80 are used to shield the USB ports 17.

[0059] In this embodiment, a plurality of USB interfaces 17 may be provided on the peripheral side of the rear shell 10, so as to facilitate the connection of various USB peripheral devices, such as a U disk, a camera, a scanning module 92, and a mobile phone, so that the user can plug and use them at any time. Specifically, the rear shell 10 has a mounting slot 16, and the USB interface 17 is provided on the side wall or the bottom wall of the mounting slot 16. In addition, in this embodiment, a plurality of second rear covers 80 may be added, and each second rear cover 80 may be detachably connected to the rear shell 10, so as to block the mounting slot 16, and then block the USB interface 17. When needed, the second rear cover 80 is removed to facilitate the communication connection between the peripheral device and the display device 1. When these interfaces are not used, the second rear cover 80 may be installed to hide these interfaces.

[0060] Optionally, the second rear cover 80 and the rear shell 10 may also be connected by the above-mentioned plug-in column 71 and the plug-in hole 12, which will not be described in detail in this embodiment. Optionally, the USB interface 17 may be a mini USB interface 17.

[0061] In addition, the display device 1 provided in this embodiment supports both USB and RS232 serial port touch functions. USB realizes multi-point touch of display content, and serial port realizes touch of device OSD menu. For example, swiping down with both hands at the lower right corner of the display can open the adjustment of the display menu function and realize touch of system operation content.

[0062] The display device 1 provided in this embodiment also has mechanical buttons on the rear of the whole machine, which can also realize the adjustment of OSD menu functions, and can also be provided with indicator lights for indication. Circular heat dissipation holes can also be provided on the rear shell 10 to realize up and down convection heat dissipation, and the rear shell 10 is also provided with anti-theft lock holes, child locks and other structures.

[0063] Please refer to Fig.12 , Fig.12 The exploded view of the rear shell, camera module, scanning module, first RFID module, and second RFID module in one embodiment of the present application. In this embodiment, the rear shell 10 is rectangular along the circumferential direction of the rear shell 10, and each side of the rectangular rear shell 10 is provided with a USB interface 17, and the four USB interfaces 17 are respectively used to plug in the camera module 91, the scanning module 92, the first RFID module 93, and the second RFID module 94.

[0064] When the circumferential direction of the rear shell 10 is a rectangle, the rectangle has four sides. In this embodiment, a USB interface 17 can be provided on each of the four sides of the rectangle, so that various peripheral devices can be connected in all directions of the rear shell 10.

[0065] At present, the touch display device 1 integrated machine has been widely used in advertising machines, public information query, media interaction, offline experience store product display, shopping mall cashier sales, conference content display, etc. With the peripheral card swiping machines such as card readers, fingerprint devices, scanners, and micro printers, specific needs such as card swiping, attendance, printing, and scanning can be realized. However, the touch display device 1 can only be connected to the scanner, camera, and radio frequency identification (RFID) module through a host and a long data cable, which takes up a lot of space and looks messy and inconvenient to use.

[0066] In this embodiment, since a USB interface 17 is provided on each side of the rear shell 10, the required modules, such as the camera module 91, the scanning module 92, and the radio frequency identification module, can be directly plugged and unplugged through the USB interface 17, which solves the cumbersome external data cable mess, can effectively solve the convenience of use, and can be flexibly moved for use, convenient to use and neat in appearance. Specifically, the upper USB interface 17 can be inserted into the camera module 91, the lower USB interface 17 can be inserted into the scanning module 92, and the USB interfaces 17 on the left and right sides can be inserted into the radio frequency identification modules: the first radio frequency identification module 93 and the second radio frequency identification module 94, so as to act as a cash register.

[0067] At the same time, this embodiment can also be used as an Android device by connecting to an Android box through the back interface of the rear shell 10, or connected to a PC box to be used as a cash register, which is convenient.

[0068] This embodiment also provides an assembly process of the touch display device 1 integrated machine: first, the touch module 31 and the front shell 20 are glued with VHB glue, and then the control board 40, the keypad, the speaker and other components are locked to the rear shell 10. Then the display module 32 is installed into the rear shell 10, and the connecting wires are plugged in to form a complete machine. Then the system module 50 can be assembled to have the preset system functions, and finally the camera module 91, the scanning module 92, and the radio frequency identification module are inserted to form a complete multifunctional machine. This embodiment realizes the functions of touch, scanning, card reading, etc. in the complete machine through the radio frequency identification module, the camera module 91 and the scanning module 92.

[0069] In the description of the present application, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0070] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0071] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be connected, detachably connected, or integrated. It can be mechanically connected or electrically connected. It can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0072] The above describes the contents provided by the implementation methods of the present application in detail, and describes and illustrates the principles and implementation methods of the present application. These descriptions are only used to help understand the method and its core ideas of the present application. However, the contents of this specification should not be construed as limiting the present application, and those skilled in the art may make various changes and modifications to the present application without departing from the spirit and scope of the present application. These modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents.

Claims

1. A display device, characterized in that: The display device comprises a rear shell, the rear shell is provided with a receiving groove, the receiving groove is used to receive a system module, the system module is detachably connected to the rear shell, and the system module is used to enable the display device to have the function of a preset system.

2. The display device according to claim 1, wherein: The display device further comprises a fixing bracket, the fixing bracket is detachably connected to the bottom wall of the receiving groove, and the system module is threadedly connected to the fixing bracket.

3. The display device according to claim 2, wherein: One end of the fixing bracket cooperates with the bottom wall of the receiving groove through an inverted hook buckle and a buckle slot, so that one end of the fixing bracket is buckled and connected to the bottom wall of the receiving groove; the other end of the fixing bracket is threadedly connected to the bottom wall of the receiving groove.

4. The display device according to claim 1, wherein: The display device further comprises a first back cover for covering at least a portion of an opening of the receiving slot, wherein the first back cover is detachably connected to the rear shell and is further used for covering the system module.

5. The display device according to claim 4, characterized in that One end of the first rear cover cooperates with the side wall of the receiving groove through an inserting column and an inserting hole, so that one end of the first rear cover is inserted into the side wall of the receiving groove; a threaded column is provided on the bottom wall of the receiving groove, and the other end of the first rear cover is abutted against the threaded column and threadedly connected with the threaded column.

6. The display device according to claim 1, wherein: The display device also includes a front shell and a control panel. The front shell is used to install a display screen. The front shell is fixed to the rear shell and is surrounded by the rear shell to form a receiving space. The control panel is arranged in the receiving space. The control panel is provided with an electrical connection line. The electrical connection line passes through the rear shell and is arranged in the receiving groove. The electrical connection line is used to electrically connect the system module so that the system module is electrically connected to the control panel.

7. The display device according to claim 6, wherein: The bottom wall of the receiving groove is provided with a buckle structure, and the electrical connection line can be buckled on the buckle structure.

8. The display device according to claim 1, wherein: The side wall of the receiving groove is provided with a plurality of functional interfaces.

9. The display device according to claim 1, wherein: The rear shell is provided with a plurality of USB interfaces along the circumferential direction of the rear shell. The display device further comprises a plurality of second rear covers, each of which is detachably connected to the rear shell, and the second rear covers are used to shield the USB interfaces.

10. The display device according to claim 9, characterized in that The rear shell is rectangular along the circumferential direction of the rear shell, and each side of the rectangular rear shell is provided with a USB interface, and the four USB interfaces are respectively used to plug in a camera module, a scanning module, a first radio frequency identification module, and a second radio frequency identification module.

Images