LED display screen box body easy and fast to install

Abstract

The utility model discloses a light-emitting diode (LED) display screen box easy to install quickly, which relates to the technical field of LED display screen boxes and comprises a main frame, a display screen end plate is movably arranged on one side of the main frame, and a circuit board end plate is movably arranged on the other side of the main frame. The positioning frame is fixedly connected to the sides, close to the main frame, of the display screen end plate and the circuit board end plate, the outer wall of the positioning frame is slidably connected with the inner wall of the main frame, and the inner walls of the two sides of the positioning frame are fixedly connected with cylindrical protruding blocks; the locking fasteners are rotationally connected to the inner walls of the two sides of the main frame. According to the utility model, the main frame, the display screen end plate and the circuit board end plate are arranged into a split type structure, and the cylindrical convex block and the locking fastener are arranged between the positioning frame and the main frame, so that the display screen end plate and the circuit board end plate can be automatically locked after being positioned when being mounted with the main frame, and one-key unlocking disassembly can be realized; and the LED display screen box body is more convenient and efficient to mount.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED display screen technical field, especially easy to install fast LED display screen box. BACKGROUND

[0002] With the rapid development of LED display technology, LED display screen is widely used in advertising, stage performance, public information release and other fields because of its high brightness, bright color and energy saving and environmental protection advantages. In the composition part of LED display screen, the box is as the structure of bearing LED module and power supply and other key components, and its design directly influences the installation, maintenance and repair efficiency of display screen.

[0003] In the prior art, the structure design of LED display screen box is often relatively complex, which leads to inconvenient maintenance process of internal components. In actual use, if the internal elements of LED display screen need to be maintained or replaced, usually a plurality of parts such as rear cover, side plate or other fixing structures need to be disassembled, which not only consumes time and effort, but also may increase the risk of damage to the equipment, reduces the maintenance efficiency, in addition, the complex disassembly process may put higher requirements on the skill level of the on-site operator, and further affect the overall work efficiency, therefore, the present application provides an LED display screen box easy to install fast. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model provides an LED display screen box easy to install fast.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An LED display screen box easy to install fast, comprising:

[0007] A main frame, one side of the main frame movably provided with a display screen end plate for LED display screen installation, the other side of the main frame movably provided with a circuit board end plate for circuit board installation;

[0008] A positioning frame, the positioning frame fixedly connected to the side of the display screen end plate and the circuit board end plate close to the main frame, the outer wall of the positioning frame and the inner wall of the main frame are in sliding connection, the two side inner walls of the positioning frame are fixedly connected with cylindrical lugs;

[0009] A lock catch, the lock catch rotatably connected to the two side inner walls of the main frame, the lock catch is used for hooking the cylindrical lugs to lock and fix the position of the display screen end plate and the circuit board end plate on the two sides of the main frame.

[0010] In one possible implementation, the two adjacent horizontal position locking members are provided with a push arm on each side, the middle part of the inner wall of the main frame is movably connected with a vertical connecting plate, the side wall of the connecting plate is fixedly connected with a pressing block extending to the top end of the push arm, and the connecting plate is moved vertically to drive the connecting plate.

[0011] In one possible implementation, the end face of the locking member close to the cylindrical protrusion is provided with a circular arc end face, and the bottom end of the locking member close to one side of the cylindrical protrusion is provided with an arc-shaped clamping groove, and the locking member is movably clamped with the cylindrical protrusion through the arc-shaped clamping groove.

[0012] In one possible implementation, the middle part of the torsion spring is fixedly connected with a rotating shaft, one end of the rotating shaft is rotatably connected with the inner wall of the main frame, and the rotating shaft and the inner wall of the main frame are fixedly provided with the torsion spring.

[0013] In one possible implementation, the bottom end of the connecting plate is slidably connected with a guide column, the bottom end of the guide column is fixedly connected with the bottom of the inner wall of the main frame, and the bottom end of the guide column and the bottom of the inner wall of the main frame are fixedly connected with a return spring.

[0014] In one possible implementation, the top end of the connecting plate is rotatably connected with a pressing rod, the top of the pressing rod extends to a position above the main frame, a locking mechanism is arranged between the pressing rod and the top end of the main frame, and the locking mechanism is used for locking the vertical position of the pressing rod.

[0015] In one possible implementation, the locking mechanism comprises a positioning sleeve, the positioning sleeve is sleeved on the outer wall of the pressing rod and is fixed with the top end of the main frame, a vertical locking groove is formed in the inner wall of the positioning sleeve, the bottom side wall of the vertical locking groove is provided with a circular arc-shaped groove, and the outer wall of the pressing rod is fixedly connected with a limiting lock block slidably connected with the vertical locking groove.

[0016] In one possible implementation, the outer wall of the positioning sleeve is provided with an external thread groove, and the positioning sleeve is threadedly sleeved with an internal thread tube through the external thread groove.

[0017] Compared with the prior art, the main frame, the display screen end plate and the circuit board end plate are provided in a split structure, the display screen end plate and the circuit board end plate are positioned with the main frame through the positioning frame, and the display screen end plate and the circuit board end plate are automatically locked after positioning during installation and can be disassembled by one key, so that the installation of the LED display screen box is more convenient and efficient, and use is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1The whole structure schematic view of one embodiment of the utility model;

[0019] Figure 2 The side surface section view structure schematic view of the main frame in one embodiment of the utility model;

[0020] Figure 3 The three-dimensional structure schematic view of the circuit board end plate in one embodiment of the utility model;

[0021] Figure 4 The three-dimensional structure schematic view of the main frame in one embodiment of the utility model; Figure 2 The partial enlarged structure schematic view of A in one embodiment of the utility model;

[0022] Figure 5 The three-dimensional half section view structure schematic view of the positioning sleeve in one embodiment of the utility model.

[0023] Mark 100-main frame; 101-display screen end plate; 102-circuit board end plate; 103-positioning frame; 104-cylindrical bump; 105-locking part; 106-arc-shaped clamping groove; 107-circular arc end face; 108-dialing arm; 109-torsional spring; 110-connecting vertical plate; 111-pressing block; 112-pressing rod; 113-return spring; 114-guiding column; 115-positioning sleeve; 116-internal thread pipe cover; 117-limiting lock block; 118-vertical locking groove. Specific implementation

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0025] Reference Figure 1As shown in FIG. 5, the structure schematic diagram of the LED display screen box easy to install quickly in one embodiment of the utility model, including main frame 100, the side of main frame 100 is movably provided with the display screen end plate 101 for LED display screen installation, the other side of main frame 100 is movably provided with the circuit board end plate 102 for circuit board installation, the positioning frame 103 is fixedly connected to the side of display screen end plate 101 and circuit board end plate 102 close to main frame 100, the outer wall of positioning frame 103 and the inner wall of main frame 100 are slidably connected, and the display screen end plate 101 and the circuit board end plate 102 are slidably inserted into the port position of main frame 100 through the positioning frame 103 of side wall, so as to complete the positioning of the installation of display screen end plate 101 and circuit board end plate 102 in the port position of main frame 100, and the contact position of display screen end plate 101 and circuit board end plate 102 and main frame 100 can be additionally provided with rubber washer to increase the air tightness of the connecting position, the inner wall of both sides of positioning frame 103 is fixedly connected with cylindrical lug 104, and the locking piece 105 is rotatably connected to the inner wall of both sides of main frame 100, the locking piece 105 is used to hook cylindrical lug 104 to lock and fix the position of display screen end plate 101 and circuit board end plate 102 on both sides of main frame 100, when positioning frame 103 is inserted into the port position of main frame 100, cylindrical lug 104 and locking piece 105 form the clamping state, so that the limiting of positioning frame 103 in the port position of main frame 100 can be realized, so that the circuit board end plate 102 and display screen end plate 101 can not be separated after being positioned on both sides of main frame 100, so that the installation of display screen end plate 101 and circuit board end plate 102 in the LED display screen box on main frame 100 is quickly completed, and the installation operation of LED display screen box is more convenient and efficient.

[0026] Further, the lock piece 105 is provided with a circular arc end face 107 near the end face of the cylindrical protrusion 104, and an arc-shaped clamping groove 106 is formed in the bottom end of the lock piece 105 near one side of the cylindrical protrusion 104. The lock piece 105 is movably clamped with the cylindrical protrusion 104 through the arc-shaped clamping groove 106. The lock piece 105 is provided with the circular arc end face 107, which can play a guiding role and cooperate with the cylindrical shape of the cylindrical protrusion 104. When the cylindrical protrusion 104 is pressed against the circular arc end face 107 of the end face of the lock piece 105, the cylindrical protrusion 104 can push the lock piece 105 to rotate upward, so that the cylindrical protrusion 104 moves to the position of the arc-shaped clamping groove 106 at the bottom of the lock piece 105. When the cylindrical protrusion 104 moves to the position of the arc-shaped clamping groove 106 at the bottom of the lock piece 105, the blocking action between the lock piece 105 and the cylindrical protrusion 104 is released, and the lock piece 105 automatically rotates, so that the arc-shaped clamping groove 106 is clamped on the outer wall of the cylindrical protrusion 104, thereby limiting the movement of the cylindrical protrusion 104. In this way, the display screen end plate 101 and the circuit board end plate 102 can be locked and fixed in position on both sides of the main frame 100. The opposite sides of the adjacent two lock pieces 105 in the horizontal position are each provided with an integrally formed actuating arm 108. The inner walls of both sides of the main frame 100 are movably connected with a vertically movable connecting vertical plate 110 in the middle. The side wall of the connecting vertical plate 110 is fixedly connected with a pressing block 111 extending to the top end position of the actuating arm 108. The connecting vertical plate 110 moves by vertically moving downward, and the actuating arm 108 of the lock piece 105 extends to one side of the connecting vertical plate 110. The pressing block 111 on the side wall of the connecting vertical plate 110 can press the actuating arm 108 downward when the connecting vertical plate 110 moves vertically downward. In this way, the vertical downward pressure of the pressing block 111 can drive the lock piece 105 to rotate. When the lock piece 105 rotates, the arc-shaped clamping groove 106 is separated from the cylindrical protrusion 104, so that the locking and limiting state of the cylindrical protrusion 104 is released, and the cylindrical protrusion 104 can be pulled out horizontally with the positioning frame 103, so that the display screen end plate 101 and the circuit board end plate 102 can be quickly pulled out from both sides of the main frame 100, thereby improving the convenience of disassembly.

[0027] Further, the bottom end of the connecting vertical plate 110 is slidingly connected with a guide column 114, the bottom end of the guide column 114 is fixedly connected with the bottom of the inner wall of the main frame 100, a return spring 113 is fixedly connected between the bottom end of the guide column 114 and the inner bottom of the main frame 100, the guide column 114 slidingly connected with the connecting vertical plate 110 is fixedly installed on the inner wall of the main frame 100, which can guide the vertical movement of the connecting vertical plate 110 and keep the movement of the connecting vertical plate 110 stable, and the elastic pushing force provided by the compression deformation of the return spring 113 can make the connecting vertical plate 110 automatically move upward and reset when the pressing force is removed, so that the connecting vertical plate 110 will not press the lock catch 105 under the action of external force, the lock catch 105 can keep the stability of locking the cylindrical boss 104, the middle part of the torsion spring 109 is fixedly connected with a rotating shaft, one end of the rotating shaft is rotatably connected with the inner wall of the main frame 100, the torsion spring 109 is fixedly arranged between the rotating shaft and the inner wall of the main frame 100, the arrangement of the torsion spring 109 can enhance the stability of the rotary reset of the arc-shaped clamping groove 106, thereby improving the stability of the position locking of the lock catch 105 to the cylindrical boss 104.

[0028] In addition, the top end of the connecting vertical plate 110 is rotatably connected with a pressing rod 112, the top of the pressing rod 112 extends to a position above the main frame 100, a locking mechanism is arranged between the pressing rod 112 and the top end of the main frame 100, and the locking mechanism is used for locking the vertical position of the pressing rod 112; by increasing the pressing rod 112 on the connecting vertical plate 110, the user can conveniently press and drive the connecting vertical plate 110 outside the main frame 100, thereby improving the convenience of unlocking operation.

[0029] The locking mechanism comprises a positioning sleeve 115 sleeved on the outer wall of the pressing rod 112 and fixed to the top end of the main frame 100, a vertical locking groove 118 is formed in the inner wall of the positioning sleeve 115, the bottom side wall of the vertical locking groove 118 is provided with a circular arc-shaped groove, the outer wall of the pressing rod 112 is fixedly connected with a limiting lock block 117 in sliding connection with the vertical locking groove 118, when the user manually drives the pressing rod 112 to move downward to drive the connected vertical plate 110 to move downward for unlocking operation, the limiting lock block 117 moves from the top of the vertical locking groove 118 to the bottom position along the action of the pressing rod 112, and the circular arc-shaped groove at the bottom position of the vertical locking groove 118 is used to enable the user to only manually rotate the pressing rod 112 to drive the limiting lock block 117 to move into the circular arc-shaped groove of the vertical locking groove 118, so that the vertical limiting locking purpose is achieved, so that the pressing rod 112 remains in the downward position and is not moved, the connected vertical plate 110 remains in the unlocked position and is fixed, so that the user can conveniently disassemble the display screen end plate 101 and the circuit board end plate 102; meanwhile, the outer wall of the positioning sleeve 115 is provided with an external thread groove, the outer wall of the positioning sleeve 115 is threadedly sleeved with an internal thread pipe 116 through the external thread groove, the positioning sleeve 115 is externally installed with the internal thread pipe 116 in a threaded connection mode, the pressing rod 112 in the positioning sleeve 115 can be shielded and protected, the waterproof performance is enhanced, and the safety protection performance is improved.

[0030] Finally, it should be noted that: the above only preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it can still be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. An LED display cabinet that is easy to install quickly, characterized in that, include: The main frame (100) has a display end plate (101) for LED display installation on one side and a circuit board end plate (102) for circuit board installation on the other side. Positioning frame (103) is fixedly connected to the display end plate (101) and the circuit board end plate (102) on the side close to the main frame (100). The outer wall of the positioning frame (103) is slidably connected to the inner wall of the main frame (100). Cylindrical protrusions (104) are fixedly connected to the inner walls on both sides of the positioning frame (103). The locking fastener (105) is rotatably connected to the inner walls on both sides of the main frame (100). The locking fastener (105) is used to hook the cylindrical protrusion (104) to lock and fix the display end plate (101) and the circuit board end plate (102) on both sides of the main frame (100).

2. The LED display cabinet that is easy to install quickly according to claim 1, characterized in that, Each of the two adjacent locking components (105) in the horizontal position is provided with an integrally formed actuating arm (108) on the opposite side. The inner walls on both sides of the main frame (100) are movably connected with vertically movable connecting plates (110). The side wall of the connecting plate (110) is fixedly connected with a pressing block (111) extending to the top of the actuating arm (108). The connecting plate (110) moves by vertically moving downwards.

3. The LED display cabinet that is easy to install quickly according to claim 2, characterized in that, The locking element (105) has an arc end face (107) near the cylindrical protrusion (104), and an arc-shaped groove (106) is opened on the bottom end of the locking element (105) near the cylindrical protrusion (104). The locking element (105) is movably engaged with the cylindrical protrusion (104) through the arc-shaped groove (106).

4. The LED display cabinet that is easy to install quickly according to claim 3, characterized in that, A rotating shaft is fixedly connected to the middle of the torsion spring (109). One end of the rotating shaft is rotatably connected to the inner wall of the main frame (100). A torsion spring (109) is fixedly installed between the rotating shaft and the inner wall of the main frame (100).

5. The LED display cabinet that is easy to install quickly according to claim 2, characterized in that, The bottom end of the connecting vertical plate (110) is slidably connected to a guide post (114), the bottom end of the guide post (114) is fixedly connected to the bottom of the inner wall of the main frame (100), and a return spring (113) is fixedly connected between the bottom end of the guide post (114) and the bottom of the inner side of the main frame (100).

6. The LED display cabinet that is easy to install quickly according to claim 5, characterized in that, The top of the connecting vertical plate (110) is rotatably connected to a pressing rod (112), the top of the pressing rod (112) extends to the position above the main frame (100), and a locking mechanism is provided between the pressing rod (112) and the top of the main frame (100), the locking mechanism being used to lock the pressing rod (112) in the vertical position.

7. The LED display cabinet for easy and quick installation according to claim 6, characterized in that, The locking mechanism includes a positioning sleeve (115), which is sleeved on the outer wall of the pressing rod (112) and fixed to the top of the main frame (100). A vertical locking groove (118) is provided on the inner wall of the positioning sleeve (115), and an arc-shaped groove is provided on the bottom side wall of the vertical locking groove (118). A limiting locking block (117) is fixedly connected to the outer wall of the pressing rod (112) and is slidably connected to the vertical locking groove (118).

8. The LED display cabinet for easy and quick installation according to claim 7, characterized in that, The outer wall of the positioning sleeve (115) is provided with an external thread groove, and the outer wall of the positioning sleeve (115) is threadedly connected to an internal thread tube (116) through the external thread groove.

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