Outdoor display equipment with improved maintenance port opening structure
By optimizing the maintenance access of outdoor display devices through improved locking components and partition structure, the problem of cumbersome maintenance in traditional designs has been solved, achieving convenient maintenance and efficient heat dissipation, and improving the maintenance efficiency and stability of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-13
AI Technical Summary
The maintenance port opening structure of traditional outdoor display equipment is cumbersome, resulting in long maintenance time and high labor costs.
An improved maintenance port design, incorporating locking components including a lock cylinder and a latch, combined with a hinged and partitioned lightbox structure, simplifies the maintenance process and optimizes internal heat dissipation and protection through an air intake and exhaust system.
It enables convenient maintenance operations, reduces maintenance time and labor costs, and improves the heat dissipation performance and operational stability of the equipment, thus extending the service life of the equipment.
Smart Images

Figure CN223993131U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of display device technology, and more specifically, it relates to an outdoor display device with an improved maintenance port opening structure. Background Technology
[0002] Outdoor display equipment is a specialized device used to transmit text, images, videos, and other information to the public in open-air environments. With its high brightness, high definition, and excellent visibility, it is widely used in outdoor advertising and information display. Outdoor display equipment often has a maintenance port, facilitating the repair and replacement of internal components, as well as the installation and removal of posters inside the display. However, traditional maintenance port opening structures typically rely on multiple sets of bolts for multi-point fixing, and the outer casing structure is relatively complex. When internal operations are required, each bolt must be tightened and the complex outer casing components removed individually, making the entire process cumbersome, time-consuming, and increasing labor costs. Utility Model Content
[0003] To address the aforementioned technical problems, this utility model provides an outdoor display device with an improved maintenance port opening structure, thereby solving the technical problem that opening the maintenance port of traditional display devices is cumbersome, increasing the operation process and maintenance time.
[0004] The purpose and function of this utility model's improved maintenance port opening structure for outdoor display devices are achieved through the following specific technical means:
[0005] An outdoor display device with an improved maintenance port opening structure includes a main frame, with a first frame and a second frame respectively arranged on both sides of the main frame. The first frame and the second frame are connected to the main frame through multiple sets of hinges to form a main cavity.
[0006] A lightbox is provided inside the main body cavity, which divides the main body cavity into a first cavity and a second cavity. A control element and a display screen are provided inside the first cavity. The display screen is installed inside the first frame and is electrically connected to the control element. A poster holder is provided inside the second cavity. The poster holder is installed on the opening surface of the lightbox, and the poster is installed on the poster holder.
[0007] Locking components are provided on both sides of the first frame, and the first frame is fixedly connected to the main frame through the locking components.
[0008] According to a preferred embodiment, the locking assembly includes a lock cylinder and a lock tongue. Locking boxes and locking cover plates are provided on both sides of the first frame. The two are detachably connected and installed in the first frame. A locking through groove is provided on the locking cover plate.
[0009] The first frame has a fixing groove corresponding to the locking groove, the fixing plate is locked in the fixing groove, the lock cylinder is installed in the fixing plate, one end of the lock cylinder passes through the locking through groove and is located in the locking box, and the lock tongue is sleeved on the lock cylinder and is located in the locking box.
[0010] According to a preferred embodiment, the length of the locking tongue is greater than the width of the locking slot and less than the length of the locking slot.
[0011] The first frame is provided with a first locking frame, and the first locking frame is provided with a rotatable connecting shaft. The connecting shaft is polygonal and has a cylinder at one end. The connecting shaft is connected to the first locking frame through the cylinder, and the other end of the connecting shaft passes through the locking box.
[0012] The main frame is provided with a second locking frame corresponding to the first locking frame, and a locking rod is provided on the second locking frame. The locking member is sleeved on the connecting shaft and rotates together with the connecting shaft. One end of the locking member is configured as a hook and is locked on the locking rod.
[0013] According to a preferred embodiment, an air inlet is provided at the top of the main frame, and multiple sets of air intake fans are provided inside the air inlet. The air intake fans are mounted on the main frame and the air outlets face the interior of the main body cavity.
[0014] The main frame is provided with an air inlet hood at the top, the top of the air inlet hood is set in a mesh shape and a filter plate is installed thereon;
[0015] The main frame is provided with a protective cover at the top. The protective cover is provided with a first air guide and multiple sets of second air guides. The protective cover is connected to the air inlet cover through multiple sets of second air guides. An air inlet channel is formed between the first air guide and the multiple sets of second air guides.
[0016] According to a preferred embodiment, an air outlet is provided at the bottom of the main frame, an air outlet grid is provided inside the air outlet, and an air outlet filter plate is provided on top of the air outlet grid, and an air outlet cavity is formed between the air outlet grid and the bottom of the main body cavity;
[0017] The air outlet section is provided with multiple sets of air outlet hoods. The air outlet hoods are trapezoidal and installed in the air outlet cavity. The opening surfaces of the air outlet hoods face the two sides of the main frame, and multiple sets of air inlet slots are opened on the upward inclined surfaces.
[0018] Protective plates are provided on both sides of the main frame. The protective plates are in contact with the opening surface of the air outlet hood. Multiple sets of air outlet holes are provided on the protective plates. The air outlet hood communicates with the outside world through the multiple sets of air outlet holes.
[0019] According to a preferred embodiment, a mounting plate is provided inside the main frame, the mounting plate is located below the control element, and multiple sets of mounting slots are provided on the mounting plate. Multiple sets of exhaust fans are provided inside the first cavity, the exhaust fans are installed in the mounting slots, and the air inlets of the exhaust fans face the control element.
[0020] According to a preferred embodiment, a mounting frame is provided inside the main frame, the control element is mounted on the mounting frame, a light panel frame is provided inside the second cavity, the light panel frame is installed inside the light box, located between the poster fixing frame and the light box, and multiple sets of light strips are provided inside the second cavity, the multiple sets of light strips are arranged at equal intervals.
[0021] Compared with the prior art, the present invention has the following beneficial effects:
[0022] 1. The device features locking assemblies on both sides of the first frame. Each locking assembly includes a lock cylinder, a lock tongue, and matching locking boxes and covers, all detachably connected within the first frame. The lock cylinder is installed in a fixing slot and passes through a locking through slot. The lock tongue is fitted onto the lock cylinder. Rotating the lock cylinder causes the lock tongue to rotate, allowing the fixing plate to be removed. Furthermore, rotating the connecting shaft on the first locking frame actuates the locking components on the second locking frame, easily unlocking and locking the first frame and the main frame. The operation is extremely convenient. Compared to traditional bolt fixing methods, this opening structure is simple and convenient to operate, reducing maintenance time and labor costs, and improving the convenience and efficiency of equipment maintenance.
[0023] 2. An air inlet and protective cover are installed at the top of the main frame to form an air intake channel. The intake fan introduces air filtered by the filter plate into the main cavity, effectively preventing dust from entering. Simultaneously, an air outlet is designed at the bottom of the main frame. A trapezoidal air outlet hood, paired with an outlet filter plate, works in conjunction with the air outlet holes on the protective plates on both sides of the main frame to form an efficient heat dissipation path, quickly expelling heat from inside the equipment. Furthermore, the lightbox divides the main cavity into two chambers, rationally planning the internal layout of the equipment and reducing interference between different components. Overall, the equipment's heat dissipation and protection performance are improved, extending its service life and enhancing operational stability. Attached Figure Description
[0024] Figure 1 This is a schematic diagram of the assembled structure of this utility model;
[0025] Figure 2 This is a schematic diagram of the disassembled structure of this utility model;
[0026] Figure 3 This is a diagram of the air intake duct path;
[0027] Figure 4 This is a structural diagram of the lamp panel frame and the lamp strip;
[0028] Figure 5 yes Figure 2 A magnified view of a portion of region a.
[0029] In the diagram, the correspondence between component names and their corresponding reference numerals is as follows:
[0030] 11. Main frame; 12. First frame; 13. Second frame; 21. Light box; 22. Poster holder; 23. Light panel frame; 24. Light strip; 31. Control element; 32. Display screen; 41. Lock cylinder; 42. Lock tongue; 43. Locking box; 44. Locking cover plate; 45. Locking through groove; 46. Fixing groove; 47. Fixing plate; 51. First locking frame; 52. Connecting shaft; 53. Second locking frame; 54. Locking rod; 55. Locking component; 61. Air inlet fan; 62. Air inlet cover; 63. Filter plate; 64. Protective cover; 65. First air guide; 66. Second air guide; 71. Air outlet mesh; 72. Air outlet filter plate; 73. Air outlet cover; 74. Protective plate; 75. Mounting plate; 76. Air outlet fan. Detailed Implementation
[0031] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the technical solution of this utility model, but should not be used to limit the scope of protection of this utility model.
[0032] Example:
[0033] like Figures 1 to 5As shown, this utility model provides an outdoor display device with an improved maintenance opening structure, including a main frame 11. The main frame 11 serves as the basic support structure for the entire device, providing a mounting carrier for other components. A first frame 12 and a second frame 13 are respectively arranged on both sides of the main frame 11. Both the first frame 12 and the second frame 13 are connected to the main frame 11 via multiple sets of hinges, ensuring smooth opening and closing between the frames, thus forming a main cavity. Inside the main cavity, a light box 21 is provided, which serves as a divider, dividing the main cavity into a first cavity and a second cavity. In the first cavity, a control element 31 and a display screen 32 are installed. The display screen 32 is fixed inside the first frame 12 and electrically connected to the control element 31 via various wires, ensuring that the control element 31 can stably transmit signals to the display screen 32 to display information. In the second cavity, a poster holder 22 is arranged, installed on the opening surface of the light box 21, allowing staff to easily install posters on the poster holder 22 for promotional display. To ensure a secure connection between the first frame 12 and the main frame 11 while also facilitating maintenance, locking components are provided on both sides of the first frame 12. These locking components allow the first frame 12 to be fixedly connected to the main frame 11. When internal maintenance is required, the first frame 12 can be quickly opened by operating the locking components. This opening structure is simple and convenient to operate, reducing maintenance time and labor costs, and improving the convenience and efficiency of equipment maintenance.
[0034] like Figure 2 , Figure 5 As shown, the locking assembly comprises a lock cylinder 41 and a lock tongue 42. Locking boxes 43 and locking covers 44 are installed on both sides of the first frame 12, and these are detachably connected and housed inside the first frame 12. This allows for convenient inspection and replacement of the lock cylinder 41 and lock tongue 42 during later maintenance and repair. The locking cover 44 has a locking groove 45, and the first frame 12 has a fixing groove 46. A fixing plate 47 is fitted into the fixing groove 46, and the lock cylinder 41 is installed within the fixing plate 47, with one end passing through the locking groove 45 on the locking cover 44 and extending into the locking box 43. The lock tongue 42 is fitted onto the lock cylinder 41 and is also located inside the locking box 43. When the equipment is in normal use, the lock tongue 42 acts as a restraint, thereby keeping the fixing plate 47 within the fixing groove 46 and ensuring the sealing of the locking box 43. When maintenance personnel need to open the first frame 12 for internal equipment inspection, they can operate the lock cylinder 41 to drive the lock tongue 42 to remove the fixing plate 47 and operate the inside of the locking box 43.
[0035] The length of the locking tongue 42 is greater than the width of the locking slot 45, which prevents the locking tongue 42 from accidentally dislodging from the width direction of the locking slot 45, ensuring a stable connection between the first frame 12 and the main frame 11 during use. Simultaneously, the length of the locking tongue 42 is less than the length of the locking slot 45, providing space for the locking tongue 42 to move within the locking slot 45, meeting the operational requirements of unlocking and locking. A first locking frame 51 is provided inside the first frame 12, and a rotatable connecting shaft 52 is mounted on the first locking frame 51. One end of the connecting shaft 52 has a cylinder, through which the connecting shaft 52 is connected to the first locking frame 51. This allows the connecting shaft 52 to remain stable during rotation and can drive the connected components to move synchronously. The other end of the connecting shaft 52 passes through the locking box 43. On the main frame 11, a second locking frame 53 is provided corresponding to the first locking frame 51. The second locking frame 53 is equipped with a locking rod 54, and a locking element 55 is sleeved on the connecting shaft 52. During equipment operation, the locking element 55 moves along with the connecting shaft 52. One end of the locking element 55 is hook-shaped, which engages with the locking rod 54. When the connecting shaft 52 is rotated, the linkage between the connecting shaft 52, the locking box 43, and the first locking frame 51 drives the lock cylinder 41 and the lock tongue 42 to move, pushing the locking element 55 to disengage from or engage with the locking rod 54, thus achieving convenient unlocking and locking of the first frame 12 and the main frame 11. Compared to traditional bolt fixing methods, this reduces disassembly and installation time, lowers maintenance difficulty, and improves the operational efficiency of later equipment maintenance.
[0036] like Figure 2 , Figure 3 As shown, an air inlet is provided at the top of the main frame 11, containing multiple sets of air intake fans 61. These fans 61 are directly mounted on the main frame 11, with their outlets facing into the main cavity. When the air intake fans 61 are activated, they draw outside air into the main cavity, providing the necessary airflow for heat dissipation inside the equipment. An air intake hood 62 is also installed at the top of the main frame 11. The top of the air intake hood 62 is mesh-shaped and equipped with a filter plate 63. The mesh design allows air to enter smoothly, while the filter plate 63 filters out dust and impurities from the air, preventing them from entering the equipment and causing damage. Furthermore, a protective cover 64 is provided at the top of the main frame 11. The protective cover 64 contains a first air guide 65 and multiple sets of second air guides 66. The protective cover 64 is connected to the air intake hood 62 via the multiple sets of second air guides 66, forming an air intake channel between the first air guide 65 and the multiple sets of second air guides 66, which effectively guides the introduced air into the main cavity.
[0037] An air outlet is arranged at the bottom of the main frame 11, with an air outlet mesh 71 inside. An air outlet filter plate 72 is installed on top of the air outlet mesh 71, forming an air outlet cavity between the air outlet mesh 71 and the bottom of the main cavity. Multiple sets of trapezoidal air outlet hoods 73 are installed within the air outlet cavity, with their openings facing the sides of the main frame 11 and multiple sets of air inlet slots on their upward-sloping surfaces. Protective plates 74 are provided on both sides of the main frame 11, contacting the openings of the air outlet hoods 73. Multiple sets of air outlet holes are formed on the protective plates 74, through which the air outlet hoods 73 communicate with the outside. In this way, hot air entering the main cavity can be discharged to the outside through the air outlet hoods 73 and the air outlet holes.
[0038] An installation plate 75 is located inside the main frame 11, below the control element 31. The installation plate 75 has multiple mounting slots, and multiple exhaust fans 76 are installed within the first cavity, with their air inlets facing the control element 31. Since the control element 31 generates a large amount of heat during operation, the exhaust fans 76 can promptly extract the hot air around the control element 31, accelerating air circulation. Together with the top air inlet and bottom air outlet, this forms a complete heat dissipation system, effectively ensuring the stable operation of the equipment.
[0039] like Figure 2 , Figure 4 As shown, a mounting bracket is installed inside the main frame 11, and the control element 31 is mounted on this bracket, providing it with stable support and ensuring that the control element 31 remains stable during equipment operation. A light panel frame 23 is located inside the second cavity, installed within the light box 21, positioned between the poster holder 22 and the light box 21. The light panel frame 23 serves to fix and protect the poster, orderly arranging multiple sets of light strips 24. These multiple sets of light strips 24 within the second cavity are arranged at equal intervals. When the light strips 24 are lit, they evenly illuminate the poster on the poster holder 22, improving the poster display effect and ensuring that passersby can clearly see the poster content.
[0040] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments.
Claims
1. An outdoor display device with improved maintenance opening structure, comprising a main frame (11), characterized in that: first and second frames (12, 13) are arranged on both sides of the main frame (11), the first and second frames (12, 13) are connected to the main frame (11) by a plurality of hinges to form a main cavity; a lamp box (21) is arranged in the main cavity, the main cavity is divided into a first cavity and a second cavity by the lamp box (21), the first cavity is provided with a control element (31) and a display screen (32), the display screen (32) is installed in the first frame (12) and electrically connected with the control element (31), the second cavity is provided with a poster fixing frame (22), the poster fixing frame (22) is installed on the opening surface of the lamp box (21), and a poster is installed on the poster fixing frame (22); lock assemblies are arranged on both sides of the first frame (12), and the first frame (12) is fixedly connected with the main frame (11) through the lock assemblies.
2. The outdoor display device with improved maintenance opening structure according to claim 1, characterized in that: the lock assembly comprises a lock cylinder (41) and a lock tongue (42), lock boxes (43) and lock cover plates (44) are arranged on both sides of the first frame (12), the lock boxes (43) and the lock cover plates (44) are detachably connected and installed in the first frame (12), and a lock through slot (45) is formed in the lock cover plate (44); the first frame (12) is provided with a fixing groove (46) corresponding to the lock through slot (45), a fixing plate (47) is clamped in the fixing groove (46), the lock cylinder (41) is installed in the fixing plate (47), one end of the lock cylinder (41) penetrates through the lock through slot (45) and is located in the lock box (43), and the lock tongue (42) is sleeved on the lock cylinder (41) and located in the lock box (43).
3. The outdoor display device with improved maintenance opening structure according to claim 2, characterized in that: the length of the lock tongue (42) is greater than the width of the lock through slot (45) and less than the length of the lock through slot (45); the first frame (12) is provided with a first lock frame (51), the first lock frame (51) is provided with a rotatable connecting shaft (52), the connecting shaft (52) is polygonal and provided with a cylinder at one end, the connecting shaft (52) is connected with the first lock frame (51) through the cylinder, and the other end of the connecting shaft (52) penetrates into the lock box (43); the main frame (11) is provided with a second lock frame (53) corresponding to the first lock frame (51), and a lock rod (54) is arranged on the second lock frame (53), a lock piece (55) is sleeved on the connecting shaft (52), the lock piece (55) follows the connecting shaft (52), one end of the lock piece (55) is provided in a hook shape and clamped on the lock rod (54). 4. The outdoor display device with improved maintenance opening structure according to claim 1, characterized in that: The top of the main frame (11) is provided with an air inlet part, and a plurality of air inlet fans (61) are arranged in the air inlet part and mounted on the main frame (11), and the air outlet is directed to the main cavity; The top of the main frame (11) is provided with an air inlet cover (62), the top of the air inlet cover (62) is provided in a grid shape, and a filter plate (63) is mounted thereon; The top of the main frame (11) is provided with a protective cover (64), the protective cover (64) is provided with a first air guide (65) and a plurality of second air guides (66), the protective cover (64) is connected with the air inlet cover (62) through a plurality of second air guides (66), and an air inlet channel is formed between the first air guide (65) and the plurality of second air guides (66).
5. The outdoor display device with improved maintenance opening structure according to claim 4, characterized in that: The bottom of the main frame (11) is provided with an air outlet part, the air outlet part is provided with an air outlet grid (71), and an air outlet filter plate (72) is arranged on the top of the air outlet grid (71), and an air outlet cavity is formed between the air outlet grid (71) and the bottom of the main cavity; A plurality of air outlet covers (73) are arranged in the air outlet part, the air outlet covers (73) are arranged in a trapezoidal shape and mounted in the air outlet cavity, the opening surface of the air outlet covers (73) is directed to the two sides of the main frame (11), and a plurality of air inlet grooves are formed on the upward inclined surface; The two sides of the main frame (11) are provided with protective plates (74), the protective plates (74) are in contact with the opening surface of the air outlet covers (73), a plurality of air outlet holes are formed in the protective plates (74), and the air outlet covers (73) are connected with the outside through the plurality of air outlet holes.
6. The outdoor display device with improved maintenance opening structure according to claim 5, characterized in that: The main frame (11) is provided with a mounting plate (75), the mounting plate (75) is located below the control element (31), a plurality of mounting grooves are formed in the mounting plate (75), a plurality of air outlet fans (76) are arranged in the first cavity, the air outlet fans (76) are mounted in the mounting grooves, and the air inlet of the air outlet fans (76) is directed to the control element (31).
7. The outdoor display device with improved maintenance opening structure according to claim 1, characterized in that: The main frame (11) is provided with a mounting rack, the control element (31) is mounted on the mounting rack, a lamp plate frame (23) is arranged in the second cavity, the lamp plate frame (23) is mounted in the lamp box (21) and located between the poster fixing frame (22) and the lamp box (21), and a plurality of lamp strips (24) are arranged in the second cavity, and the plurality of lamp strips (24) are arranged at equal intervals.