LED rental display screen

Abstract

The embodiment of the utility model discloses an LED rental display screen. The LED rental display screen comprises a box body unit and a display screen unit which are in butt joint in the first direction, and a dismounting device is arranged on the box body unit; the dismounting device comprises a mounting shell and a dismounting operation part, the mounting shell is fixed to the box body unit, the dismounting operation part extends in the second direction and comprises a rotating mounting part and a pressing operation part, the rotating mounting part is rotatably mounted on the mounting shell with the third direction as the rotating axis direction, and the pressing operation part is pressed on the rotating mounting part. The face, facing the display screen unit, of the dismounting operation piece is provided with an ejection protrusion, and the ejection protrusion is located between the rotating installation part and the pressing operation part. Therefore, when the pressing operation part is subjected to external force which is in the first direction and points to the display screen unit, the magnetic attraction display screen unit and the box body unit can be detached through the ejection protrusion, the detaching device is simple in overall structure and convenient and fast to operate, and the technical problem that the display screen unit in the LED rental display screen is difficult to detach due to the fact that the magnetic attraction force is high is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED leasing display screen technical field especially with dismounting device's LED leasing display screen. BACKGROUND

[0002] LED screen rental is a kind of LED display screen for stage performance, artistic activities, exhibition activities site to be quickly disassembled, generally appears by leasing form, so it is named as LED screen rental.

[0003] LED screen rental generally includes box unit, box unit can install one or more display screen units, for example, one box unit can install 4 display screen units simultaneously;Display screen unit can be generally installed in box unit by magnetic attraction, and, in order to reduce the risk of display screen unit falling, the magnetic force of magnetic attraction is generally strong.

[0004] At this time, when display screen unit needs to be removed from box unit, there is the problem that display screen unit is difficult to remove, therefore, there is an urgent need for a LED screen rental with dismounting device. UTILITY MODEL CONTENT

[0005] For at least one aspect of the above technical problem, the embodiment of the present application provides a LED screen rental, which comprises a box unit and a display screen unit butted along a first direction, and a dismounting device for dismounting the display screen unit is arranged on the box unit;Wherein, the dismounting device comprises a mounting shell and a dismounting operating part, the mounting shell is fixed on the box unit, the dismounting operating part extends along a second direction perpendicular to the first direction and comprises a rotating mounting part and a pressing operating part, the rotating mounting part is rotatably mounted on the mounting shell with a third direction perpendicular to the first direction and the second direction as the rotation axis direction, and the side of the dismounting operating part facing the display screen unit is provided with an ejection protrusion, and the ejection protrusion is located between the rotating mounting part and the pressing operating part;When the pressing operating part is subjected to external force along the first direction and pointing to the display screen unit, the ejection protrusion can dismount the display screen unit and the box unit by magnetic attraction, the overall structure of the dismounting device is simple, the operation is convenient, the user experience is good, and the technical problem that the display screen unit in the LED screen rental is difficult to dismount due to strong magnetic attraction of magnetic attraction is solved.

[0006] The embodiment of the present application provides a LED screen rental, which comprises a display screen unit and a box unit for mounting the display screen unit, the display screen unit and the box unit extend in a plane perpendicular to a first direction, and the box unit is provided with a dismounting device for dismounting the display screen unit therefrom;

[0007] Wherein, the dismounting device comprises:

[0008] a mounting housing fixedly mounted on one side of the box unit facing the display unit;

[0009] a dismounting operation member extending along a second direction perpendicular to the first direction, one end of the dismounting operation member being a rotating mounting portion and the other end being a pressing operation portion, the rotating mounting portion being rotatably mounted on the mounting housing with a third direction as a rotating shaft direction, the third direction being perpendicular to both the first direction and the second direction;

[0010] and one side of the dismounting operation member facing the display unit is provided with an ejection protrusion, the ejection protrusion being located between the rotating mounting portion and the pressing operation portion and extending along the first direction;

[0011] so that the pressing operation portion, when subjected to an external force along the first direction and directed towards the display unit, the ejection protrusion is used to dismount the display unit from the box unit.

[0012] In an embodiment, preferably, the mounting housing comprises an upper cover facing the display unit and a lower cover facing the box unit, the upper cover and the lower cover being abutment-mounted along the first direction;

[0013] wherein the rotating mounting portion comprises a mounting arm extending along the second direction and a rotating adapter provided at the end of the mounting arm, the rotating adapter being spherical, or the rotating adapter being cylindrical with the third direction as an axial direction;

[0014] and the upper cover and the lower cover clamp the rotating adapter after abutment mounting, along the first direction, the upper cover being provided with a first arc-shaped inner wall at a projection position corresponding to the rotating adapter, and the lower cover being provided with a second arc-shaped inner wall at a projection position corresponding to the rotating adapter, so that the rotating mounting portion is rotatably mounted on the mounting housing with the third direction as a rotating shaft direction.

[0015] In an embodiment, preferably, along the first direction, the upper cover is provided with an avoiding notch at a projection position corresponding to the mounting arm, and the lower cover is provided with a supporting portion at a projection position corresponding to the mounting arm.

[0016] In an embodiment, preferably, the rotating mounting portion comprises a pair of mounting arms arranged in parallel;

[0017] wherein the dismounting device further comprises a reset torsion spring provided between the pair of rotating adapters, one end of the reset torsion spring abutting against the supporting portion, and the other end of the reset torsion spring abutting against one side of the rotating mounting portion facing the display unit.

[0018] In an embodiment, preferably, the support part is provided with a plug-in post extending along the first direction, the plug-in post being used for plug-in fixing of an end of the reset torsion spring.

[0019] In an embodiment, preferably, the upper cover is provided with a first screw hole at a linear projection region corresponding to the rotation axis of the adapter, the first screw hole being used for fastening the mounting shell to the box unit.

[0020] In an embodiment, preferably, a pull ring is arranged at a middle position of the display screen unit on a side facing the box unit, a plurality of first magnetic blocks are arranged at peripheral positions of the display screen unit, and the box unit is provided with a plurality of second magnetic blocks corresponding to the first magnetic blocks one by one, so that the display screen unit and the box unit are magnetically attracted and mounted.

[0021] The display screen unit is provided with a rotation knob on a surface facing the box unit, the rotation knob is rotatably mounted on the display screen unit with the first direction as the rotation axis direction, and the connecting ear and the rotation knob are configured as:

[0022] The rotation knob is rotatable from a first rotation position not interfering with the connecting ear to a second rotation position interfering with the connecting ear.

[0023] In an embodiment, preferably, the display screen unit is provided with a positioning post, and the box unit is provided with a positioning hole, the positioning post and the positioning hole being plug-in mounted when the display screen unit and the box unit are magnetically attracted and mounted.

[0024] In an embodiment, preferably, the display screen unit includes a display screen bottom shell perpendicular to the first direction and a lamp plate mounted on the display screen bottom shell, the display screen bottom shell is provided with a screw seat protruding towards the lamp plate, an end of the screw seat towards the display screen bottom shell is provided in an open manner and is provided with a screw groove, an end of the screw seat towards the lamp plate is plug-in mounted in a mounting through hole of the lamp plate and is provided with a first through hole penetrating to the screw groove.

[0025] The screw groove is mounted with a maintenance screw, a first end of the maintenance screw towards the lamp plate is provided with a first inner hexagonal structure, a second end of the maintenance screw is provided in a protruding manner relative to the display screen bottom shell and is provided with a second inner hexagonal structure, and the display screen bottom shell is fixed with a pressing plate at the opening of the screw groove, the pressing plate being used for axially limiting the maintenance screw.

[0026] And, the maintenance screw is provided with a sealing end cover towards the first end of the lamp plate, and the sealing end cover is provided with a second through hole at the projection position of the first hexagonal socket.

[0027] In an embodiment, preferably, the circumferential wall of the first end of the maintenance screw is provided with a clamping groove, and the sealing end cover comprises a side wall portion surrounding the circumferential wall, and the side wall portion is provided with a clamping flange for clamping in the clamping groove.

[0028] And, a spring is arranged between the bottom surface of the screw groove and the sealing end cover.

[0029] The one or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0030] The LED rental display screen provided in the embodiments of the present application comprises a box unit and a display screen unit which are magnetically and opposingly installed along a first direction, and the box unit is provided with a dismounting device for dismounting the display screen unit.

[0031] The dismounting device comprises a mounting shell and a dismounting operation member, the mounting shell is fixed to one side of the box unit facing the display screen unit, the dismounting operation member extends along a second direction perpendicular to the first direction, that is, the dismounting operation member is arranged parallel to the plane of the display screen unit or the box unit, along the extending direction thereof, the dismounting operation member comprises a rotating mounting portion at one end and a pressing operation portion at the other end, the rotating mounting portion is rotatably mounted to the mounting shell with a third direction perpendicular to the first direction and the second direction as the rotating shaft direction, and on the side facing the display screen unit, the dismounting operation member is provided with an ejection protrusion at the position between the rotating mounting portion and the pressing operation portion; in this way, it can be understood that when an external force acting along the first direction and towards the display screen unit is applied to the pressing operation portion, the dismounting operation member rotates relative to the mounting shell (that is, relative to the box unit), and then the ejection protrusion of the dismounting operation member can eject the magnetically attracted display screen unit from the box unit, that is, dismount the display screen unit, which is simple in structure and convenient to operate, thereby solving the technical problem that the display screen unit in the LED rental display screen is difficult to dismount due to the strong magnetic force of magnetic attraction. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0033] Figure 1A structure diagram of the display screen unit and the box unit in the embodiment of the present application.

[0034] Figure 2 A structure diagram of the display screen unit and the box unit in the embodiment of the present application. Figure 1 A structure diagram of the display screen unit and the box unit in the embodiment of the present application.

[0035] Figure 3 A structure diagram of the display screen unit and the box unit in the embodiment of the present application.

[0036] Figure 4 A structure diagram of the display screen unit and the box unit in the embodiment of the present application.

[0037] Figure 5 A structure diagram of the display screen unit and the box unit in the embodiment of the present application.

[0038] Figure 6 A structure diagram of the display screen unit and the box unit in the embodiment of the present application.

[0039] Figure 7 A structure diagram of the display screen unit and the box unit in the embodiment of the present application.

[0040] Wherein, the reference signs:

[0041] 100 - display screen unit, 101 - pull ring, 102 - first magnetic block, 103 - rotating knob, 104 - positioning column,

[0042] 200 - box unit, 201 - second magnetic block, 202 - connecting lug, 203 - positioning hole,

[0043] 300 - dismounting device,

[0044] 10 - mounting shell, 11 - upper cover, 12 - lower cover, 13 - second screw hole,

[0045] 111 - avoiding gap, 112 - first screw hole,

[0046] 121 - second arc-shaped inner wall, 122 - supporting part, 123 - plug-in column,

[0047] 20 - dismounting operation piece, 21 - rotating mounting part, 22 - pressing operation part, 23 - ejection protrusion, 24 - clamping boss,

[0048] 211 - mounting arm, 212 - adapter,

[0049] 30 - reset torsion spring,

[0050] 40 - display screen bottom shell, 41 - screw seat, 42 - screw groove, 43 - first through hole,

[0051] 50 - light board,

[0052] 60 - maintenance screw,

[0053] 70 - pressing plate,

[0054] 80 - sealing end cover, 81 - second through hole, 82 - clamping flange,

[0055] 90 - spring,

[0056] X - first direction, Y - second direction, Z - third direction. DETAILED DESCRIPTION

[0057] For better understanding of the above technical solutions, the example embodiments of the present application will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, and not all embodiments of the present application. It should be understood that the present application is not limited to the example embodiments described herein.

[0058] Please refer to Figures 1-5 The embodiment of the present application discloses a LED rental display screen with a dismounting device, the LED rental display screen comprises a display screen unit 100 and a box unit 200 for mounting the display screen unit 100, the display screen unit 100 and the box unit 200 extend in a plane perpendicular to the first direction X, and the box unit 200 is provided with a dismounting device 300 for dismounting the display screen unit 100 therefrom.

[0059] The dismounting device 300 comprises a mounting shell 10 and a dismounting operating member 20, the mounting shell 10 is fixedly installed on one side of the box unit 200 facing the display screen unit 100, the dismounting operating member 20 extends along a second direction Y perpendicular to the first direction X, one end of the dismounting operating member 20 along the second direction Y is a rotating mounting portion 21, and the other end is a pressing operating portion 22, the rotating mounting portion 21 is rotatably mounted on the mounting shell 10 with a third direction Z as the rotating shaft direction, and the third direction Z is perpendicular to the first direction X and the second direction Y at the same time, and one side of the dismounting operating member 20 facing the display screen unit 100 is provided with an ejection protrusion 23, the ejection protrusion 23 is located between the rotating mounting portion 21 and the pressing operating portion 22 and extends along the first direction X, so that when the pressing operating portion 22 is subjected to an external force along the first direction X and pointing to the display screen unit 100, the ejection protrusion 23 is used to dismount the display screen unit 100 from the box unit 200.

[0060] It should be clear that the LED rental display screen of the embodiment comprises the display screen unit and the box unit which are docked and magnetically installed along the first direction, please refer to Figure 4The display screen unit 100 is provided with a plurality of first magnetic blocks 102 at the periphery of the side of the display screen unit 100 facing the box unit 200, and the box unit 200 is provided with a plurality of second magnetic blocks 201 corresponding to the first magnetic blocks 102, so that the display screen unit 100 and the box unit 200 can be connected and magnetically attached along the first direction X.

[0061] The box unit is provided with a dismounting device for dismounting the display screen unit, or the dismounting device mounted on the box unit can conveniently dismount the display screen unit from the box unit.

[0062] Specifically, the dismounting device of the embodiment comprises a dismounting operating member rotatably mounted and a mounting shell.

[0063] The mounting shell can be fastened to the side of the box unit facing the display screen unit by, for example, screws.

[0064] The dismounting operating member extends along a second direction perpendicular to the first direction in which the display screen unit and the box unit are connected and mounted, that is, the extension direction of the dismounting operating member is parallel to the plane on which the display screen unit or the box unit lies; then, along its extension direction, one end of the dismounting operating member is a pressing operating part, and the other end is a rotatably mounted part; the rotatably mounted part is rotatably mounted on the mounting shell with a third direction perpendicular to the first direction and the second direction as the rotation axis direction; and on the side facing the display screen unit, a top protrusion is arranged between the rotatably mounted part and the pressing operating part of the dismounting operating member, the top protrusion protrudes from the surface of the dismounting operating member and extends along the first direction.

[0065] In this way, it can be understood that when the display screen unit and the box unit magnetically attached need to be dismounted, the operator, for example, stands on the back of the LED rental display screen, and only needs to press the pressing operating part along the first direction and towards the display screen unit, at this time, the dismounting operating member will rotate towards the display screen unit, and then the top protrusion on the dismounting operating member can eject the display screen unit, that is, dismount the magnetic attachment of the display screen unit and the box unit.

[0066] In order to ensure the safety of dismounting, a pull ring 101 can also be arranged at the middle position of the side of the display screen unit 100 facing the box unit 200 in specific implementation, so that the operator needs to first buckle the pull ring to ensure that the display screen unit will not fall or be knocked after dismounting, and then press the pressing operating part according to the above operation, so as to complete the dismounting of the display screen unit.

[0067] In addition, in specific implementation, the display screen unit and the box unit can also be interference-fitted by rotating the knob and the connecting lug after magnetically connected and mounted.

[0068] Specifically, referring toFigure 1 、 Figure 2 The box unit 200 is provided with a connecting lug 202 extending in the vertical direction along the first direction X, and the surface of the display screen unit 100 facing the box unit 200 is provided with a rotating knob 103, which is rotatably mounted on the display screen unit 100 with the first direction X as the rotation axis direction, and the connecting lug 202 and the rotating knob 103 are configured such that the rotating knob 103 can be rotated from a first rotation position not interfering with the connecting lug 202 to a second rotation position interfering with the connecting lug 202.

[0069] That is, when the display screen unit is installed, first, the display screen unit is magnetically attracted to the box unit, and then by rotating the rotating knob from the first rotation position to the second rotation position, the display screen unit can be interference-fitted with the box unit, as shown in Figure 2 .

[0070] Of course, when the display screen unit is disassembled, the rotating knob needs to be first rotated from the second rotation position to the first rotation position, and then the above-mentioned operation of buckling the pull ring and pressing the pressing operation part is performed.

[0071] Regarding the rotating installation of the disassembly operation piece 20 and the installation shell 10, in one possible implementation, the installation shell 10 includes an upper cover 11 facing the display screen unit 100 side and a lower cover 12 facing the box unit 200 side, and the upper cover 11 and the lower cover 12 are butt-joint installed along the first direction X; wherein the rotating installation part 21 includes an installation arm 211 extending along the second direction Y and a adapter 212 provided at the end of the installation arm 211, the adapter 212 is spherical, or the adapter 212 is cylindrical with the third direction Z as the axial direction; and after the butt-joint installation of the upper cover 11 and the lower cover 12, the adapter 212 is clamped, along the first direction X, the upper cover 11 is provided with a first arc-shaped inner wall at the projection position corresponding to the adapter 212, and the lower cover 12 is provided with a second arc-shaped inner wall 121 at the projection position corresponding to the adapter 212, so that the rotating installation part 21 is rotatably installed on the installation shell 10 with the third direction Z as the rotation axis direction.

[0072] That is, in general, the disassembly operation piece can be rotatably installed with the installation shell by setting the adapter to be spherical or cylindrical with the third direction as the axial direction.

[0073] Specifically, the rotating installation part of the disassembly operation piece includes an installation arm, and the end of the installation arm is an adapter, which can be, for example, Figure 6The third direction is an axial direction of the cylindrical shape; the mounting shell includes an upper cover and a lower cover which are butted along the first direction, and the upper cover and the lower cover are respectively provided with a first arc-shaped inner wall and a second arc-shaped inner wall at the projection positions of the corresponding adapters, so that the upper cover and the lower cover clamp the cylindrical adapter after being butted and mounted, and the rotating mounting portion is rotatably mounted on the mounting shell with the third direction as the rotation axis direction.

[0074] It can be understood that in other embodiments, the adapter can also be spherical, and the upper cover and the lower cover clamp the spherical adapter after being butted and mounted, and the rotating mounting portion can also be rotatably mounted on the mounting shell with the third direction as the rotation axis direction.

[0075] In a specific embodiment, along the first direction X, the upper cover 11 is provided with a avoiding gap 111 at the projection position of the mounting arm 211, and the lower cover 12 is provided with a supporting portion 122 at the projection position of the mounting arm 211.

[0076] Specifically referring to Figure 6 , the embodiment can set the avoiding gap at the projection position of the mounting arm of the upper cover, and set the supporting portion at the projection position of the mounting arm of the lower cover; in this way, on the one hand, the avoiding gap can ensure that the mounting shell does not hinder the rotation of the disassembly operation member towards the display screen unit, and on the other hand, the supporting portion can also enable the mounting shell to limit the rotation of the disassembly operation member away from the display screen unit.

[0077] In a possible embodiment, the rotating mounting portion 21 includes a pair of mounting arms 211 which are arranged in parallel; the disassembly device 300 further includes a reset torsion spring 30 which is arranged between the pair of adapters 212, one end of the reset torsion spring 30 abuts against the supporting portion 122, and the other end of the reset torsion spring 30 abuts against one side of the rotating mounting portion 21 which faces the display screen unit 100.

[0078] That is, regarding the rotation of the disassembly operation member relative to the mounting shell as mentioned above, the embodiment can realize the reset of the rotation of the disassembly operation member relative to the mounting shell by setting the reset torsion spring.

[0079] Specifically, the embodiment sets the rotating mounting portion as a pair of parallel mounting arms, at this time, the space between the pair of adapters at the ends of the pair of mounting arms can be provided with the reset torsion spring, and one end of the reset torsion spring can abut against the supporting portion of the lower cover, and the other end of the reset torsion spring can abut against one side of the rotating mounting portion which faces the display screen unit, so that after the external force acting on the pressing operation portion of the disassembly operation member is eliminated, the reset torsion spring can reset the rotating disassembly operation member.

[0080] In a specific embodiment, the supporting portion 122 is provided with a plug-in column 123 which extends along the first direction X, and the plug-in column 123 is used for plug-in fixing of the end of the reset torsion spring 30.

[0081] That is, in order to ensure the stability of the installation of the reset torsion spring, the embodiment can specifically provide a plug-in post protruding in the first direction at the support portion of the lower cover, for example, next to one of the mounting arms, and then one end of the reset torsion spring can be plugged into the plug-in post in the first direction, achieving stable and reliable installation of one end of the reset torsion spring.

[0082] Of course, the embodiment can also provide a clamping boss 24 at a position between the pair of mounting arms 211 of the rotating mounting portion 21, which is used for clamping installation of the other end of the reset torsion spring 30, achieving stable and reliable installation of the other end of the reset torsion spring.

[0083] It can be understood that through the provision of the reset torsion spring, the embodiment can make the dismounting operation member reset in time after the force disappears, preventing it from hindering the subsequent re-docking installation of the display screen unit.

[0084] Regarding the fixed installation of the mounting shell 10 and the box unit 200, in one possible implementation, the upper cover 11 is provided with a first screw hole 112 at a linear projection area corresponding to the rotating shaft of the adapter 212, which is used for fastening the mounting shell 10 to the box unit 200.

[0085] That is, on the one hand, the first screw hole for fastening the mounting shell to the box unit is specifically provided on the upper cover on the side facing the display screen unit, so that the upper cover can complete the fixed installation of the mounting shell by extruding the lower cover.

[0086] On the other hand, the first screw hole is specifically provided at a linear projection area corresponding to the rotating shaft of the adapter; for example, referring to Figure 5 、 Figure 6 the upper cover is provided with one first screw hole 112 at each end in the third direction, and a straight line connecting the two first screw holes 112 is opposite to the projection of the rotating shaft of the adapter 212, so that by fastening the linear projection area of the rotating shaft of the corresponding adapter of the mounting shell, the stability of the installation of the mounting shell can be ensured.

[0087] In addition, in combination with Figure 5 and Figure 6 the upper cover and the lower cover can be provided with a second screw hole 13 at the corresponding projection positions, so that the fastening screw can fixedly install the upper cover and the lower cover.

[0088] In one specific embodiment, the display screen unit 100 is provided with a positioning column 104, and the box unit 200 is provided with a positioning hole 203, and the positioning column 104 and the positioning hole 203 are plugged and installed when the display screen unit 100 and the box unit 200 are magnetically installed.

[0089] That is, when the display screen unit and the box unit are magnetically installed, the two can also be plug-in installed through the positioning hole and the positioning column, wherein the plug-in installation of the positioning hole and the positioning column can realize the electrical connection, signal connection and the like of the display screen unit and the box unit.

[0090] In a possible implementation, the display screen unit 100 includes a display screen bottom shell 40 perpendicular to the first direction X and a lamp plate 50 installed on the display screen bottom shell 40, and the display screen bottom shell 40 is provided with a screw seat 41 protruding towards the lamp plate 50 in the packaging space between the display screen bottom shell 40 and the lamp plate 50, the screw seat 41 is provided with an opening at one end thereof towards the display screen bottom shell 40 and is provided with a screw groove 42, and the other end of the screw seat 41 towards the lamp plate 50 is plug-in installed in a mounting through hole of the lamp plate 50 and is provided with a first through hole 43 penetrating the screw groove 42; wherein the screw groove 42 is installed with a maintenance screw 60, the first end of the maintenance screw 60 towards the lamp plate 50 is provided with a first inner hexagonal structure, the second end of the maintenance screw 60 is protruding relative to the display screen bottom shell 40 and is provided with a second inner hexagonal structure, the display screen bottom shell 40 is fixed with a pressing plate 70 at the opening of the screw groove 42, and the pressing plate 70 is used for axially limiting the maintenance screw 60; and the first end of the maintenance screw 60 towards the lamp plate 50 is sleeved with a sealing end cover 80, and the sealing end cover 80 is provided with a second through hole 81 at the projection position of the first inner hexagonal structure.

[0091] That is, referring to Figure 7 In some embodiments, the display screen unit can also be installed on the box unit through the maintenance screw which can be operated in two directions, at this time, water vapor, water droplets and the like can enter the screw groove from the first through hole of the display screen unit side for operating the maintenance screw, and even enter the box unit through the gap between the maintenance screw and the screw groove, and cause adverse effects on the maintenance screw and the box unit.

[0092] Based on the above situation, the first end of the maintenance screw towards the lamp plate is sleeved with a sealing end cover, so that the waterproof effect can be realized.

[0093] Specifically, the display screen unit includes a packaged display screen bottom shell and a lamp plate, and the display screen bottom shell is provided with a screw seat protruding towards the lamp plate in the packaging space between the display screen bottom shell and the lamp plate.

[0094] Wherein, one end of the screw seat towards the display screen bottom shell is provided with an opening and is recessed with a screw groove; the lamp plate is provided with a mounting through hole at the projection position of the screw seat, and the other end of the screw seat towards the lamp plate is plug-in installed in the mounting through hole and is provided with a first through hole penetrating the screw groove.

[0095] Then, the maintenance screw is installed in the screw groove and is axially limited by the pressing plate, two ends of the maintenance screw are respectively a first internal hexagonal structure and a second internal hexagonal structure, so that, on one side of the lamp plate, a maintenance tool such as a hexagonal wrench can act on the first internal hexagonal structure through the first through hole, on one side of the box unit, a maintenance tool such as a hexagonal wrench can act on the second internal hexagonal structure, and bidirectional operation of the maintenance screw is realized.

[0096] In the embodiment, a sealing end cover is further sleeved on the first end of the maintenance screw towards the lamp plate, the sealing end cover is made of rubber for example, and the sealing end cover is provided with a second through hole at a projection position corresponding to the first internal hexagonal structure, so that bidirectional operation of the maintenance screw is not affected on the basis of realizing waterproof.

[0097] In a specific embodiment, the circumferential wall of the first end of the maintenance screw 60 is provided with a clamping groove, the sealing end cover 80 includes a side wall portion surrounding the circumferential wall, and the side wall portion is provided with a clamping flange 82 for clamping in the clamping groove; and a spring 90 is installed between the bottom surface of the screw groove 42 and the sealing end cover 80, and the spring 90 is used to ensure that the maintenance screw is protrudingly arranged relative to the display screen bottom shell.

[0098] Specifically, the embodiment provides an annular clamping groove on the circumferential wall of the first end of the maintenance screw, and then the sealing end cover includes a planar portion and a side wall portion, the planar portion is provided with the second through hole, and the side wall portion is provided with a clamping flange clamped in the clamping groove, so that the sealing end cover can be tightly sleeved on the maintenance screw.

[0099] The basic principles of the application are described above in combination with specific embodiments, but it should be pointed out that the advantages, advantages, effects and the like mentioned in the application are only examples and cannot be considered as the must-have of each embodiment of the application. In addition, the specific details disclosed above are only for the purpose of example and understanding, and are not limited to the specific details disclosed above.

[0100] The block diagrams of the devices, apparatuses, equipment, systems involved in the application are only illustrative examples and are not intended to require or imply that the connection, arrangement and configuration shown in the block diagrams must be used. As those skilled in the art will recognize, these devices, apparatuses, equipment, systems can be connected, arranged and configured in any way. Words such as "include", "contain", "have" and the like are open-ended words, which mean "including but not limited to", and can be used interchangeably. The words "or" and "and" used herein mean the word "and / or", and can be used interchangeably unless the context clearly indicates otherwise. The word "such as" used herein means the phrase "such as but not limited to", and can be used interchangeably.

[0101] It is also important to note that the devices, equipment and methods described in the present application can be embodied in a variety of other forms without departing from the spirit thereof. Thus, specific embodiments and implementations as set forth herein are not to be considered in a limiting sense, but are merely intended to illustrate and describe rather than to limit the present application. It will be apparent to those skilled in the art that various modifications, changes, substitutions, additions and / or omissions can be made without departing from the spirit of the application and that the scope of the application is to be interpreted only in accordance with the breadth to be given the claims.

[0102] The above description of disclosed aspects is intended to enable any person skilled in the art to make or use the application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0103] The above description has been presented for the purpose of illustration and description. Furthermore, this description is not intended to limit the embodiments of the application to forms disclosed herein. Although various example aspects and implementations have been discussed, those skilled in the art will recognize that certain variations, modifications, changes, additions and / or omissions can be made without departing from the scope of the present inventive concept.

Claims

1. An LED rental display, characterized by, The display screen unit and the box unit extend in a plane perpendicular to a first direction, the box unit is provided with a dismounting device for dismounting the display screen unit therefrom; The dismounting device comprises: A mounting shell fixedly mounted on a side of the box unit facing the display screen unit; A dismounting operating member extending in a second direction perpendicular to the first direction, one end of the dismounting operating member being a rotating mounting portion and the other end being a pressing operating portion, the rotating mounting portion being rotatably mounted on the mounting shell with a third direction as the rotating shaft direction, the third direction being perpendicular to both the first direction and the second direction; The side of the dismounting operating member facing the display screen unit is provided with a ejection protrusion, the ejection protrusion being located between the rotating mounting portion and the pressing operating portion and extending in the first direction; When the pressing operating portion is subjected to an external force in the first direction and directed to the display screen unit, the ejection protrusion is used to dismount the display screen unit from the box unit.

2. The LED rental display screen of claim 1, wherein, The mounting shell comprises an upper cover facing the display screen unit and a lower cover facing the box unit, the upper cover and the lower cover being abutted and mounted in the first direction; The rotating mounting portion comprises mounting arms extending in the second direction and adapters provided at the ends of the mounting arms, the adapters being spherical or cylindrical with the third direction as the axial direction; After the abutment and mounting of the upper cover and the lower cover, the adapters are clamped therebetween, in the first direction, the upper cover is provided with a first arc-shaped inner wall at a projection position corresponding to the adapter, and the lower cover is provided with a second arc-shaped inner wall at a projection position corresponding to the adapter, so that the rotating mounting portion is rotatably mounted on the mounting shell with the third direction as the rotating shaft direction.

3. The LED rental display screen of claim 2, wherein, In the first direction, the upper cover is provided with an avoiding notch at a projection position corresponding to the mounting arm, and the lower cover is provided with a supporting portion at a projection position corresponding to the mounting arm.

4. The LED rental display screen of claim 3, wherein, The rotating mounting portion comprises a pair of mounting arms arranged in parallel; The dismounting device further comprises a reset torsion spring provided between the pair of adapters, one end of the reset torsion spring abutting against the supporting portion, and the other end of the reset torsion spring abutting against the side of the rotating mounting portion facing the display screen unit.

5. The LED rental display screen of claim 4, wherein, The supporting portion is provided with a plug-in column extending in the first direction, the plug-in column being used for plug-in fixing of the end of the reset torsion spring.

6. The LED rental display screen of claim 2, wherein, The upper cover is provided with a first screw hole at a linear projection area corresponding to the rotating shaft of the adapter, the first screw hole being used for fastening the mounting shell to the box unit.

7. The LED rental display screen of claim 1, wherein, A pull ring is provided at a middle position of the display screen unit on a side facing the box unit, a plurality of first magnetic blocks are provided at peripheral positions of the display screen unit, and the box unit is provided with a plurality of second magnetic blocks corresponding to the plurality of first magnetic blocks one by one, so that the display screen unit and the box unit are magnetically attracted and mounted; The box unit is provided with a connecting lug extending in a vertical direction along the first direction, the display screen unit is provided with a rotating knob towards the surface of the box unit, the rotating knob is rotatably mounted on the display screen unit with the first direction as the rotation axis direction, and the connecting lug and the rotating knob are configured as: The rotating knob can be rotated from a first rotation position without interfering with the connecting lug to a second rotation position interfering with the connecting lug by rotation.

8. The LED rental display screen of claim 7, wherein, The display screen unit is provided with a positioning column, and the box unit is provided with a positioning hole, the positioning column and the positioning hole are inserted and mounted when the display screen unit and the box unit are magnetically mounted.

9. The LED rental display screen of claim 1, wherein, The display screen unit includes a display screen bottom shell perpendicular to the first direction, a lamp plate mounted on the display screen bottom shell, an encapsulation space between the display screen bottom shell and the lamp plate, the display screen bottom shell is provided with a screw seat protruding towards the lamp plate, the screw seat is provided with an opening at one end towards the display screen bottom shell and is provided with a screw groove, and the other end of the screw seat towards the lamp plate is inserted into the mounting through hole of the lamp plate and is provided with a first through hole penetrating into the screw groove; Wherein, the screw groove is provided with a maintenance screw, the first end of the maintenance screw towards the lamp plate is provided with a first inner hexagonal structure, the second end of the maintenance screw is protruding relative to the display screen bottom shell and is provided with a second inner hexagonal structure, the display screen bottom shell is fixed with a pressing plate at the opening of the screw groove, and the pressing plate is used for axially limiting the maintenance screw; And, the first end of the maintenance screw towards the lamp plate is provided with a sealing end cover, and the sealing end cover is provided with a second through hole at the projection position of the first inner hexagonal structure.

10. The LED rental display screen of claim 9, wherein, The circumferential wall of the first end of the maintenance screw is provided with a clamping groove, the sealing end cover includes a side wall part surrounding the circumferential wall, and the side wall part is provided with a clamping flange for clamping in the clamping groove; And, a spring is arranged between the bottom surface of the screw groove and the sealing end cover.

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