LED display device convenient to install and replace

Abstract

The utility model relates to the technical field of LED display, and discloses an LED display device convenient to install and replace, which comprises a supporting unit, a connecting unit and a display unit, the display unit comprises a display base, and at least one LED display module is installed on the display base to form a display screen body for displaying information; the connecting unit comprises a connecting frame, a connecting driving assembly and a connecting linkage assembly, the connecting frame is rotationally arranged on the supporting unit so that the supporting unit can drive the connecting frame to move, the connecting linkage assembly is arranged in the middle of the connecting frame, the connecting frame is provided with four connecting pieces in the circumferential direction of the connecting frame, and the four connecting pieces are located on the periphery of the connecting linkage assembly. The four connecting pieces are connected with the connecting linkage assembly respectively, and the connecting driving assembly is arranged on the side edge of the connecting linkage assembly and connected with the connecting linkage assembly so as to drive the four connecting pieces to move synchronously through the connecting linkage assembly to clamp the display base. According to the scheme, the structure is simplified, and replacement is facilitated according to use requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of LED display, in particular to an LED display device which is easy to install and replace. Background Art

[0002] As an important means of information dissemination, LED display screens have become a symbol of urban information modernization. Various LED electronic display screens, advertising display boards, variety show stage lights, and various rental full-color display screens are widely used for outdoor and indoor information transmission. Most of the existing display screens are placed vertically on the ground during use, and the display angle cannot be adjusted to the best viewing angle according to people's viewing distance, which affects the user experience; and the screen body is usually fixed at the installation position during installation, and it becomes very difficult to change the position or replace it, which cannot meet the needs of users. Therefore, it is necessary to provide a LED display device with a simplified structure that can be adjusted according to usage requirements and is easy to replace. Utility Model Content

[0003] In order to solve the deficiencies in the prior art, the utility model provides a novel LED display device that is easy to install and replace, so as to solve the problem of inconvenience in replacing the display screen in the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A LED display device that is easy to install and replace so as to be adjusted according to usage requirements, comprises a supporting unit, a connecting unit and a display unit, wherein the display unit comprises a display base, and at least one LED display module is installed on the display base to form a display screen for displaying information; the connecting unit comprises a connecting frame, a connecting drive component and a connecting linkage component, the connecting frame is rotatably arranged on the supporting unit so that the supporting unit drives the connecting frame to move, the connecting linkage component is arranged in the middle of the connecting frame, the connecting frame is provided with four connecting members along its circumference, the four connecting members are located around the connecting linkage component and are respectively connected to the connecting linkage component, the connecting drive component is arranged on the side of the connecting linkage component and is connected thereto, so as to drive the four connecting members to move synchronously through the connecting linkage component so as to clamp the display base.

[0006] Furthermore, the connecting linkage assembly includes a linkage seat, which is arranged in the middle of the connecting frame. Four bevel gears are rotatably arranged in the linkage seat, namely bevel gear one, bevel gear two, bevel gear three and bevel gear four. Bevel gear one is arranged opposite to bevel gear two, and bevel gear three and bevel gear four are arranged opposite to each other. Bevel gear one and bevel gear two are respectively meshed with bevel gear three and bevel gear four. The working end of the connecting drive assembly is connected with bevel gear one to drive bevel gear one, bevel gear two, bevel gear three and bevel gear four to rotate.

[0007] Furthermore, the connecting member includes a connecting screw, a screw nut seat and a clamping block, the screw nut seat is arranged on the connecting screw, the clamping block is arranged on the screw nut seat, and one end of the connecting screw close to the linkage seat is connected to one of the bevel gears, driving the clamping block to move along the connecting screw.

[0008] Furthermore, an adapter seat is provided on each of the opposite sides of the linkage seat, and gear 1 and gear 2 are rotatably arranged in the adapter seat. Gear 1 is connected to a bevel gear through a linkage shaft, gear 1 is meshed with gear 2, and gear 2 is connected to a connecting screw of the connecting member.

[0009] Furthermore, the support unit includes a support frame, and symmetrical support shaft seats are provided on both sides of the support frame. A connecting shaft is rotatably arranged in the support shaft seat, and a connecting seat is arranged on the connecting shaft. The opposite sides of the connecting frame are respectively connected to the two connecting seats so that the connecting frame is rotatably connected to the support frame.

[0010] Furthermore, a support drive assembly is provided on one side of the support frame, and a working end of the support drive assembly is connected to the connecting shaft to drive the connecting frame to rotate.

[0011] Furthermore, a roller assembly is arranged at the bottom of the support frame, and the roller assembly includes a roller mounting seat, a roller driving motor, a bevel gear five, a bevel gear six, a roller shaft and a rolling wheel, the rolling wheel is rotatably arranged on one side of the lower part of the roller mounting seat, the bevel gear five is rotatably arranged on the other side of the lower part of the roller mounting seat, and is connected to the rolling wheel through the roller shaft, the roller driving motor is arranged on the upper part of the roller mounting seat, and the working end of the roller driving motor is connected to the bevel gear six, and the bevel gear six is ​​meshed with the bevel gear five, so that the rolling wheel moves under the action of the bevel gear five and the roller shaft.

[0012] Furthermore, the LED display module includes a display bottom shell and a display driver board, the display bottom shell is installed on the display base, the display driver board is installed on a side of the display bottom shell away from the display base, and a plurality of light source groups are evenly arranged on a side of the display driver board away from the display bottom shell.

[0013] Furthermore, a control panel is arranged on the display base, the control panel is provided with at least one interface, and the display bottom shell is provided with a wiring slot at a position corresponding to the interface.

[0014] The beneficial effect compared with the prior art is that, by adopting the above scheme, the LED display device of the utility model first drives the connecting frame to rotate through the supporting unit, lays it flat, and then places the display unit on the connecting frame, and then the connecting driving component drives the four connecting parts to retract synchronously through the connecting linkage component, clamps the display base to realize the installation of the display unit; then the display unit is moved to the use position through the supporting unit, and the connecting frame is driven to rotate to adjust the pitch of the display screen body, so as to realize the adjustment of the display angle of the display screen body to suit a better display effect, and has a good market application value. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an LED display device of an embodiment of the utility model;

[0016] Figure 2 For the utility model Figure 1 A schematic structural diagram of a support unit and a connection unit of an embodiment;

[0017] Figure 3 For the utility model Figure 1 A schematic structural diagram of a connection unit of an embodiment;

[0018] Figure 4 For the utility model Figure 1 A schematic structural diagram of a roller assembly of an embodiment;

[0019] In the figure, 1. support unit; 11. support frame; 12. support shaft seat; 13. connecting seat; 14. support drive assembly; 2. connecting unit; 21. connecting frame; 22. connecting piece; 221. connecting screw; 222. screw nut seat; 223. clamping block; 23. connecting drive assembly; 24. connecting linkage assembly; 241. linkage seat; 242. bevel gear; 243. adapter seat; 3. display unit; 31. LED display module; 32. display base; 4. roller assembly; 41. roller drive motor; 42. roller mounting seat; 43. bevel gear five; 44. roller shaft; 45. bevel gear six; 46. rolling wheel. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the present invention by those skilled in the art, the specific implementation methods of the present invention are described below in conjunction with the accompanying drawings. The accompanying drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time. The terms "mounted", "fixed", "bottom end", "connected" and similar expressions used in this specification are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used in this specification have the same meanings as those commonly understood by technicians in the technical field of the utility model. The terms used in this specification are only for the purpose of describing specific embodiments and are not used to limit the utility model.

[0023] One embodiment of the present invention is as follows: Figure 1 , 2 As shown, the LED display device which is easy to install and replace can be adjusted according to the use requirements, including a support unit 1, a connection unit 2 and a display unit 3, wherein the display unit 3 includes a display base 32, and at least one LED display module 31 is installed on the display base 32 to form a display screen for displaying information; the connection unit 2 includes a connection frame 21, a connection drive component 23 and a connection linkage component 24, the connection frame 21 is rotatably arranged on the support unit 1, so that the support unit 1 drives the connection frame 21 to move, the connection linkage component 24 is arranged in the middle of the connection frame 21, the connection frame 21 is provided with four connecting members 22 along its circumference, the four connecting members 22 are located around the connection linkage component 24, and are respectively connected to the connection linkage component 24, the connection drive component 23 is arranged on the side of the connection linkage component 24, and is connected thereto, so as to drive the four connecting members 22 to move synchronously through the connection linkage component 24, so as to clamp the display base 32.

[0024] The LED display device of the scheme is easy to install and replace and does not need to be fixed on the ground or the wall. It can be automatically moved to the use position according to the use requirements. First, the support unit 1 drives the connecting frame 21 to rotate and lay it flat, and then the display unit 3 is placed on the connecting frame 21. Then, the connection driving component 23 drives the four connecting members 22 to retract synchronously through the connection linkage component 24, and the display base 32 is clamped to achieve the installation of the display unit 3; then, the display unit 3 is moved to the use position by the support unit 1, and the connecting frame 21 is driven to rotate to adjust the pitch of the display screen to achieve the adjustment of the display angle of the display screen to suit a better display effect, which has good market application value.

[0025] In this embodiment, Figure 3 As shown, the connecting linkage assembly 24 includes a linkage seat 241, and the linkage seat 241 is arranged in the middle of the connecting frame 21. Four bevel gears 242 are rotatably arranged in the linkage seat 241, which are bevel gear one, bevel gear two, bevel gear three and bevel gear four respectively. The bevel gear one is arranged opposite to the bevel gear two, and the bevel gear three and bevel gear four are arranged opposite to each other. The bevel gear one and bevel gear two are respectively meshed with the bevel gear three and bevel gear four. The working end of the connecting drive assembly 23 is connected with the bevel gear one to drive the bevel gear one, the bevel gear two, the bevel gear three and the bevel gear four to rotate.

[0026] Specifically, the connecting drive component 23 is arranged on the right side of the linkage seat 241. The connecting drive component 23 is a two-side transmission shaft motor, whose left end shaft is connected to the bevel gear one, and its right end shaft is connected to the connecting piece 22. The bevel gear two is located on the left side of the linkage seat 241, the bevel gear three is located on the upper side of the linkage seat 241, and the bevel gear four is located on the lower side of the linkage seat 241. The connecting drive component 23 drives the four connecting pieces 22 to open outward or retract inward synchronously through the four bevel gears 242 to realize the loosening or locking of the display base 32 of the display unit 3.

[0027] In this embodiment, Figure 3 As shown, the connecting member 22 includes a connecting screw 221, a screw nut seat 222 and a block 223. The screw nut seat 222 is arranged on the connecting screw 221, and the block 223 is arranged on the screw nut seat 222. One end of the connecting screw 221 close to the linkage seat 241 is connected to one of the bevel gears 242, driving the block 223 to move along the connecting screw 221.

[0028] Specifically, a screw mounting plate extending from the outside to the inside is provided on the connecting frame 21, and a screw bearing seat is provided at each end of the screw mounting plate. The two ends of the connecting screw 221 are respectively inserted into the two screw bearing seats, and the screw nut seat 222 of the connecting screw 221 is connected to the clamping block 223. The connecting drive assembly 23 drives the connecting screw 221 connected thereto to rotate through the bevel gear 242, so that the clamping block 223 moves along the connecting screw 221.

[0029] In this embodiment, Figure 3 As shown, an adapter seat 243 is provided on each of the opposite sides of the linkage seat 241, and gear 1 and gear 2 are rotatably arranged in the adapter seat 243. Gear 1 is connected to a bevel gear 242 through a linkage shaft, and gear 1 is meshed with gear 2. Gear 2 is connected to a connecting screw 221 of the connecting member 22.

[0030] Specifically, an adapter seat 243 is provided on the upper and lower sides of the linkage seat 241, which are respectively connected to the bevel gear three and the bevel gear four. During installation, the connection drive assembly 23 first rotates forward through the four bevel gears 242 to drive the four connection members 22 to open outward synchronously, and the operator places the display unit 3 on the connection frame 21, and then the connection drive assembly 23 reverses to drive the four connection members 22 to retract inward synchronously, and the four clamping blocks 223 lock the display base 32; during normal use, the connection unit 2 is not used. The connection unit 22 is operated by rotating the connecting frame 21 only through the supporting unit 1 to adjust the pitch of the display screen, and the stopper provided on the connecting screw 221 of the connecting member 22 limits the retreat of the block 223, so that the connecting unit 2 plays a connecting role; when the display unit 3 needs to be replaced, the stopper is first loosened, and then the connecting drive assembly 23 is driven by the forward rotation of the four connecting members 22 to synchronously open outwards, and the operator can move the display unit 3 out and replace it with a new one, thereby realizing the rapid installation and replacement of the display unit 3.

[0031] In this embodiment, Figure 1 , 2 As shown, the support unit 1 includes a support frame 11, and symmetrical support shaft seats 12 are provided on both sides of the support frame 11. A connecting shaft is rotatably arranged in the support shaft seat 12, and a connecting seat 13 is arranged on the connecting shaft. The opposite sides of the connecting frame 21 are respectively connected to the two connecting seats 13, so that the connecting frame 21 is rotatably connected to the support frame 11.

[0032] Specifically, a support shaft seat 12 is provided on each of the left and right sides of the upper part of the support frame 11, a connecting shaft is passed through the support shaft seat 12, and a connecting seat 13 is provided on the inner side of the two connecting shafts. The two connecting seats 13 are respectively connected to the left and right sides of the connecting frame 21 so that the connecting frame 21 can rotate along the connecting shaft on the support frame 11.

[0033] In this embodiment, Figure 2 As shown, a support driving assembly 14 is disposed on one side of the support frame 11 , and a working end of the support driving assembly 14 is connected to the connecting shaft to drive the connecting frame 21 to rotate.

[0034] Specifically, a support driving assembly 14 is arranged on the right side of the support frame 11. The support driving assembly 14 is a stepping motor, and its rotating shaft is connected to the right end of the connecting shaft in the support shaft seat 12 located on the right side of the support frame 11 through a coupling. When the motor rotates forward, it drives the connecting frame 21 to rotate forward, thereby causing the display screen to tilt forward. When the motor rotates reversely, it drives the connecting frame 21 to rotate backward, thereby causing the display screen to tilt backward, so as to achieve pitch angle adjustment of the display screen.

[0035] In this embodiment, Figure 1 As shown, a roller assembly 4 is arranged at the bottom of the support frame 11, and the roller assembly 4 includes a roller mounting seat 42, a roller driving motor 41, a bevel gear five 43, a bevel gear six 45, a roller shaft 44 and a rolling wheel 46, the rolling wheel 46 is rotatably arranged on one side of the lower part of the roller mounting seat 42, the bevel gear five 43 is rotatably arranged on the other side of the lower part of the roller mounting seat 42, and is connected to the rolling wheel 46 through the roller shaft 44, the roller driving motor 41 is arranged on the upper part of the roller mounting seat 42, and the working end thereof is connected to the bevel gear six 45, and the bevel gear six 45 is meshed with the bevel gear five 43, so that the rolling wheel 46 moves under the action of the bevel gear five 43 and the roller shaft 44.

[0036] Specifically, the bottom of the support frame 11 is a hollow structure, the roller drive motor 41 is located in the bottom of the support frame 11, and the bottom end of the support frame 11 is connected to the periphery of the roller mounting seat 42 by bolts; the rolling wheel 46 is rotatably arranged on the left side of the lower part of the roller mounting seat 42, and the bevel gear five 43 is rotatably arranged on the right side of the lower part of the roller mounting seat 42. The roller drive motor 41 is a stepping motor, which drives the bevel gear six 45 to rotate, and the bevel gear six 45 drives the bevel gear five 43 to rotate, and then the bevel gear five 43 drives the rolling wheel 46 to rotate through the roller shaft 44.

[0037] In this embodiment, Figure 1As shown, the LED display module 31 includes a display bottom shell and a display driver board, the display bottom shell is installed on the display base 32, the display driver board is installed on the side of the display bottom shell away from the display base 32, and a plurality of light source groups are evenly arranged on the side of the display driver board away from the display bottom shell.

[0038] Specifically, the back of the display bottom shell is mounted on the display base 32 by screws, the display driving board is mounted on the front of the display bottom shell, and a plurality of light source groups are evenly arranged on the front of the display driving board for displaying information.

[0039] In this embodiment, Figure 2 As shown, a control panel is arranged on the display base 32 , the control panel is provided with at least one interface, and a wiring slot is arranged at a position of the display bottom shell corresponding to the interface.

[0040] Specifically, the control board is provided with a power input and output line interface, two receiving cards, two network cable interfaces and two digital video interfaces, and a wiring slot for exposing each interface is provided on the display bottom shell, and each interface of the control board is respectively installed in the wiring slot of the display bottom shell.

[0041] It should be noted that the above-mentioned technical features are further combined with each other to form various embodiments not listed above, which are all deemed to be within the scope of the present utility model specification; and, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should fall within the scope of protection of the claims attached to the present utility model.

Claims

1. An LED display device that is easy to install and replace, so as to be adjusted according to usage requirements, characterized in that: The invention comprises a support unit (1), a connection unit (2) and a display unit (3), wherein the display unit (3) comprises a display base (32), and at least one LED display module (31) is installed on the display base (32) to form a display screen for displaying information; the connection unit (2) comprises a connection frame (21), a connection drive component (23) and a connection linkage component (24), and the connection frame (21) is rotatably arranged on the support unit (1) so that the support unit (1) drives the connection frame (21) to move, and the connection drive component (23) drives the connection frame (21) to move. The connecting linkage component (24) is arranged in the middle of the connecting frame (21); the connecting frame (21) is provided with four connecting members (22) along its circumference; the four connecting members (22) are located around the connecting linkage component (24) and are respectively connected to the connecting linkage component (24); the connecting drive component (23) is arranged on the side of the connecting linkage component (24) and is connected thereto, so as to drive the four connecting members (22) to move synchronously through the connecting linkage component (24) so ​​as to clamp the display base (32).

2. The LED display device that is easy to install and replace according to claim 1, characterized in that: The connecting linkage assembly (24) comprises a linkage seat (241), wherein the linkage seat (241) is arranged in the middle of the connecting frame (21), and four bevel gears (242) are rotatably arranged in the linkage seat (241), namely bevel gear 1, bevel gear 2, bevel gear 3 and bevel gear 4, wherein the bevel gear 1 is arranged opposite to the bevel gear 2, and the bevel gear 3 is arranged opposite to the bevel gear 4, and the bevel gear 1 and the bevel gear 2 are meshed with the bevel gear 3 and the bevel gear 4 respectively, and the working end of the connecting drive assembly (23) is connected to the bevel gear 1 to drive the bevel gear 1, the bevel gear 2, the bevel gear 3 and the bevel gear 4 to rotate.

3. The LED display device that is easy to install and replace according to claim 2, characterized in that: The connecting member (22) comprises a connecting screw (221), a screw nut seat (222) and a clamping block (223); the screw nut seat (222) is arranged on the connecting screw (221); the clamping block (223) is arranged on the screw nut seat (222); one end of the connecting screw (221) close to the linkage seat (241) is connected to a bevel gear (242) to drive the clamping block (223) to move along the connecting screw (221).

4. The LED display device that is easy to install and replace according to claim 3, characterized in that: An adapter seat (243) is provided on opposite sides of the linkage seat (241), and gear 1 and gear 2 are rotatably arranged in the adapter seat (243). Gear 1 is connected to a bevel gear (242) via a linkage shaft, and gear 1 is meshed with gear 2. Gear 2 is connected to a connecting screw (221) of the connecting member (22).

5. The LED display device that is easy to install and replace according to claim 1, characterized in that: The support unit (1) comprises a support frame (11), symmetrical support shaft seats (12) are provided on both sides of the support frame (11), a connecting shaft is rotatably arranged in the support shaft seat (12), a connecting seat (13) is arranged on the connecting shaft, and opposite sides of the connecting frame (21) are respectively connected to the two connecting seats (13) so that the connecting frame (21) is rotatably connected to the support frame (11).

6. The LED display device that is easy to install and replace according to claim 5, characterized in that: A support drive assembly (14) is disposed on one side of the support frame (11), and a working end of the support drive assembly (14) is connected to the connecting shaft to drive the connecting frame (21) to rotate.

7. The LED display device that is easy to install and replace according to claim 5, characterized in that: A roller assembly (4) is arranged at the bottom of the support frame (11), and the roller assembly (4) comprises a roller mounting seat (42), a roller driving motor (41), a bevel gear five (43), a bevel gear six (45), a roller shaft (44) and a rolling wheel (46); the rolling wheel (46) is rotatably arranged on one side of the lower part of the roller mounting seat (42); the bevel gear five (43) is rotatably arranged on the other side of the lower part of the roller mounting seat (42) and is connected to the rolling wheel (46) through the roller shaft (44); the roller driving motor (41) is arranged on the upper part of the roller mounting seat (42), and its working end is connected to the bevel gear six (45); the bevel gear six (45) is meshed with the bevel gear five (43), so that the rolling wheel (46) moves under the action of the bevel gear five (43) and the roller shaft (44).

8. The LED display device that is easy to install and replace according to claim 1, characterized in that: The LED display module (31) comprises a display bottom shell and a display driving board, the display bottom shell is mounted on the display base (32), the display driving board is mounted on a side of the display bottom shell away from the display base (32), and a plurality of light source groups are evenly arranged on a side of the display driving board away from the display bottom shell.

9. The LED display device that is easy to install and replace according to claim 8, characterized in that: The display base (32) is provided with a control panel, the control panel is provided with at least one interface, and the display bottom shell is provided with a wiring slot at a position corresponding to the interface.

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