Multi-screen splicing structure of LED display screen

Abstract

The utility model relates to the technical field of LED display screen splicing, and discloses an LED display screen multi-screen splicing structure which comprises a base plate, a display screen frame is movably connected to the front wall face of the base plate, a combined structure is arranged on the rear wall face of the display screen frame and comprises a buckle shell and a buckle block, the buckle shell is fixedly connected to the front wall face of the base plate, and the buckle block is fixedly connected to the rear wall face of the base plate. The buckling block is fixedly connected to the rear wall face of the display screen frame and can be connected with the buckling shell in a clamped mode, the display screen frame and the base plate can be connected through the combined structure, and the display screen frame and the base plate can be easily combined by arranging the combined structure; due to the fact that the display screen frame and the substrate are fixed through the combined structure in the mode that only pressing and buckling are needed, and no extra operation needs to be carried out in the pressing process.

Description

Technical Field

[0001] The utility model belongs to the technical field of LED display screen splicing, and specifically relates to a multi-screen splicing structure of an LED display screen. Background Art

[0002] The prior art (application number: CN202223137917.5) discloses an LED display screen that can be spliced ​​in multiple directions, including an LED display screen body and a fixed frame, and also includes: a first splicing structure and a second splicing structure, wherein the first splicing structure includes a plurality of connectors.

[0003] The prior art can splice multiple LED display screens together. Although the prior art can splice the LED display screens together, the prior art needs to align the positions and align the structures and insert them before tightening the bolts to achieve the splicing and fixing effect, which makes the prior art more troublesome during splicing and fixing.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0006] A multi-screen splicing structure of an LED display screen comprises a substrate, wherein the front wall of the substrate is movably connected to a display screen frame, and the rear wall of the display screen frame is provided with a combined structure, wherein the combined structure comprises a snap-on shell and a snap-on block, wherein the snap-on shell is fixedly connected to the front wall of the substrate, and the snap-on block is fixedly connected to the rear wall of the display screen frame, and the snap-on block can be snap-connected with the snap-on shell, and the combined structure can connect the display screen frame and the substrate.

[0007] As a preferred embodiment of the utility model, the snap shell is a hollow rectangle with a rectangular opening on the front wall, the snap block has an arrow-shaped cross-section, the front wall of the substrate is symmetrically provided with alignment grooves, the rear wall of the display screen frame is symmetrically fixedly connected with alignment blocks, the alignment groove can adapt to the alignment block, the alignment block can enter the alignment groove, and the position of the alignment block corresponds to the position of the alignment groove.

[0008] As a preferred embodiment of the utility model, the combined structure also includes a guide block, a stop block and a clearance groove. The guide block is symmetrically fixedly connected to the two sides of the inner wall of the buckle shell cavity, and the stop block is also symmetrically fixedly connected to the two sides of the inner wall of the buckle shell cavity. The clearance groove is symmetrically opened at the top and bottom of the buckle block.

[0009] As a preferred embodiment of the utility model, the cross-section of the guide block is a right-angled trapezoid, the front wall of the stop block is fixedly connected to the rear wall of the guide block, the bottom of the guide block is flush with the stop block, and when the snap block enters the snap shell cavity, the stop block and the guide block can enter the clearance groove.

[0010] As a preferred embodiment of the utility model, the combined structure also includes a spring plate, a base spring, a rotating column, a clamping plate, a retaining groove, a clamping head and a slide plate. The spring plate is elastically connected to the inner wall of the clamping shell cavity through the base spring, the rear wall of the base spring and the rear wall of the clamping shell cavity are fixedly connected, the rotating column is rotatably connected to the front wall of the spring plate, the rear wall of the clamping plate and the rotating column are fixedly connected, the retaining grooves are symmetrically arranged on both sides of the clamping plate, the clamping head is fixedly connected to the front wall of the clamping plate, and the slide plate is elastically connected to the clamping plate through a spring at the bottom of the clamping plate.

[0011] As a preferred embodiment of the utility model, the base spring can push the spring plate toward the front wall of the snap shell, the rotating column, the clamping plate, the clamping head and the sliding plate are symmetrically arranged on the front wall of the spring plate, and when the snap block enters the snap shell cavity, the clamping head symmetrically arranged on the upper and lower walls of the snap block can be engaged with the upper and lower walls of the snap block, the stop block and the guide block can be in the stop groove, and the number and position of the guide block and the stop block correspond to the stop groove.

[0012] As a preferred embodiment of the utility model, the rear wall of the slide plate can slide along the inner wall of the buckle shell cavity, the spring on the wall of the slide plate can push the clamping plate toward the symmetrical clamping plate, the cross-section of the clamping head is a right-angled triangle, the rear wall of the clamping head can contact the inclined surface of the guide block, and the combined structure is symmetrically arranged on the front wall of the substrate.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. By setting up a combined structure, the display screen frame and the substrate can be easily combined, because the combined structure fixes the display screen frame and the substrate by only pressing and snapping, and no special operation is required during the pressing process. Therefore, compared with the prior art, this solution is easier and faster to install the combined LED display screen.

[0015] 2. By providing the alignment block and the alignment groove, it is possible to align the positions of the snap block and the snap shell without using a probe or deliberately aligning them from the side when installing the display screen frame. This is because when the alignment block enters the alignment groove, the snap block can just enter the opening of the snap shell, thereby facilitating the installation of the display screen frame. The alignment block can also share part of the pressure borne by the snap block, thereby improving the stability of the substrate and the display screen frame when combined.

[0016] The specific implementation modes of the present utility model are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In the attached picture:

[0018] Figure 1 This is a three-dimensional diagram of the combination of the substrate and the display screen frame of the utility model;

[0019] Figure 2 This is an exploded view of the substrate and display screen frame of the utility model;

[0020] Figure 3 This is a structural diagram of the front wall of the substrate of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure inside the buckle shell cavity and the connection of the buckle block of the utility model;

[0022] Figure 5 It is a three-dimensional diagram of the structure inside the buckle shell cavity of the utility model.

[0023] In the figure: 20, base plate; 21, alignment groove; 22, alignment block; 23, display screen frame; 30, snap shell; 31, guide block; 32, stop block; 33, spring plate; 34, base spring; 35, rotating column; 36, clamping plate; 37, stop groove; 38, clamping head; 39, slide plate; 40, snap block; 41, clearance groove. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0025] like Figure 1 , Figure 2 and Figure 3 As shown, a multi-screen splicing structure of an LED display screen includes a substrate 20, and the front wall of the substrate 20 is movably connected to a display screen frame 23. Threaded holes are opened through the wall of the substrate 20 to facilitate installation on an attachment. The wall of the display screen frame 23 can be connected to the LED display screen. This is an existing technology and will not be described in detail here.

[0026] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the rear wall surface of the display screen frame 23 is provided with a combined structure, the combined structure includes a snap-on shell 30 and a snap-on block 40, the snap-on shell 30 is fixedly connected to the front wall surface of the substrate 20, the snap-on block 40 is fixedly connected to the rear wall surface of the display screen frame 23, the snap-on block 40 can be snapped with the snap-on shell 30, and the combined structure can connect the display screen frame 23 and the substrate 20.

[0027] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the combined structure also includes a guide block 31, a stopper 32 and a clearance groove 41. The guide block 31 is symmetrically fixedly connected to the inner wall of the buckle shell 30 on both sides, and the stopper 32 is also symmetrically fixedly connected to the inner wall of the buckle shell 30 on both sides. The clearance groove 41 is symmetrically opened at the top and bottom of the buckle block 40, respectively. The cross section of the guide block 31 is a right-angle trapezoid. The front wall of the stopper 32 is also fixedly connected to the rear wall of the guide block 31. The bottom of the guide block 31 is flush with the stopper 32. When the buckle block 40 enters the card When the stopper 32 and the guide block 31 are in the cavity of the buckle shell 30, they can enter the clearance groove 41. The combined structure also includes a spring plate 33, a base spring 34, a rotating column 35, a clamping plate 36, a stop groove 37, a clamping head 38 and a slide plate 39. The spring plate 33 is elastically connected to the inner wall of the buckle shell 30 through the base spring 34 in the cavity of the buckle shell 30, the rear wall of the base spring 34 is fixedly connected to the rear wall of the cavity of the buckle shell 30, the rotating column 35 is rotatably connected to the front wall of the spring plate 33, the rear wall of the clamping plate 36 and the rotating column 39 are connected. 5 is fixedly connected, the retaining grooves 37 are symmetrically arranged on both sides of the clamping plate 36, the clamping head 38 is fixedly connected to the front wall of the clamping plate 36, the slide plate 39 is elastically connected to the clamping plate 36 at the bottom of the clamping plate 36 through a spring, the base spring 34 can push the spring plate 33 toward the front wall of the buckle shell 30, the rotating column 35, the clamping plate 36, the clamping head 38 and the slide plate 39 are symmetrically arranged on the front wall of the spring plate 33, and when the buckle block 40 enters the cavity of the buckle shell 30, the clamping head 38 symmetrically arranged on the front wall of the spring plate 33 can be The upper and lower walls of the buckle block 40 are snapped together, the stopper 32 and the guide block 31 can be in the stopper groove 37, the number and position of the guide block 31 and the stopper 32 correspond to the stopper groove 37, the rear wall of the slide plate 39 can slide along the inner wall of the buckle shell 30 cavity, the spring on the wall of the slide plate 39 can push the clamping plate 36 toward the symmetrical clamping plate 36, the cross section of the clamping head 38 is a right triangle, the rear wall of the clamping head 38 can contact the inclined surface of the guide block 31, and the front wall of the substrate 20 is symmetrically provided with a combined structure;

[0028] When in use, the substrate 20 is fixed to the wall of the attachment through the threaded holes on the wall, and then the display screen frame 23 fixed to the LED display screen is installed to the front wall of the substrate 20. When the display screen frame 23 is installed on the front wall of the substrate 20, the buckle block 40 on the rear wall of the display screen frame 23 can enter the opening on the front wall of the buckle shell 30. When the buckle block 40 enters the cavity of the buckle shell 30, the symmetrical clamping heads 38 and the clamping plates 36 are first propped up. When the rear wall end of the buckle block 40 contacts the front wall of the spring plate 33, the spring on the wall of the slide plate 39 can push the clamping plates 36 and then the clamping plates 36 drive the clamping heads 38 and the buckle block 40 to buckle with each other, thereby completing the fixing of the display screen frame 23 to the wall of the substrate 20. When the buckle block 40 enters the cavity of the buckle shell 30, the guide block 31 and the stop block 32 can slide in the give way groove 41. When the front wall surface is disassembled, the display screen frame 23 is first pushed toward the substrate 20, at this time, the display screen frame 23 can drive the buckle block 40 to further enter the buckle shell 30 cavity, and when the buckle block 40 moves, the spring plate 33 is pushed toward the rear thereof, and when the spring plate 33 moves, the clamping plate 36 and the clamping head 38 are driven to move simultaneously, and when the clamping plate 36 moves, the stopper 32 and the guide block 31 can slide relatively in the stop groove 37, and the clamping head 38 can slide along the inclined surface of the guide block 31 when moving, so that the distance between the symmetrical clamping heads 38 is gradually increased, and the display screen frame 23 can be disassembled at this time. When the display screen frame 23 is disassembled, the buckle block 40 can be directly pulled out from the opening of the buckle shell 30 because it is not buckled with the clamping head 38. After the buckle block 40 is pulled out from the wall surface of the buckle shell 30, the base spring 34 can push the spring plate 33 toward the front of the buckle shell 30, thereby restoring the positions of the clamping head 38 and the clamping plate 36;

[0029] In summary, by setting up a combined structure, the display screen frame 23 and the substrate 20 can be easily combined, because the combined structure fixes the display screen frame 23 and the substrate 20 by only pressing and snapping, and no special operation is required during the pressing process. Therefore, compared with the prior art, this solution is easier and faster to install the combined LED display screen.

[0030] like Figure 1 and Figure 2 As shown, the buckle shell 30 is a hollow rectangle with a rectangular opening on the front wall, the buckle block 40 is an arrow-shaped section, the front wall of the substrate 20 is symmetrically provided with alignment grooves 21, and the rear wall of the display screen frame 23 is symmetrically fixedly connected with alignment blocks 22, the alignment groove 21 can fit the alignment block 22, the alignment block 22 can enter the alignment groove 21, and the position of the alignment block 22 corresponds to the position of the alignment groove 21;

[0031] When the display screen frame 23 is mounted on the front wall of the substrate 20, the alignment block 22 can enter the alignment groove 21;

[0032] In summary, by providing the alignment block 22 and the alignment groove 21, it is possible to align the positions of the snap block 40 and the snap shell 30 without using a probe or deliberately aligning from the side when installing the display screen frame 23, because when the alignment block 22 enters the alignment groove 21, the snap block 40 can just enter the opening of the snap shell 30, thereby facilitating the installation of the display screen frame 23. The alignment block 22 can also share a part of the pressure borne by the snap block 40, thereby improving the stability of the combination of the substrate 20 and the display screen frame 23.

[0033] Working principle: fix the substrate 20 to the wall of the attachment through the threaded holes on the wall, and then install the display screen frame 23 that has been fixed to the LED display screen to the front wall of the substrate 20. When the display screen frame 23 is installed on the front wall of the substrate 20, the snap block 40 on the rear wall of the display screen frame 23 can enter the opening on the front wall of the snap shell 30. When the snap block 40 enters the cavity of the snap shell 30, it will first propel the symmetrical clamping head 38 and the clamping plate 36. When the rear wall end of the snap block 40 contacts the front wall of the spring plate 33, the spring on the wall of the slide plate 39 can push the clamping plate 36 and then the clamping plate 36 drives the clamping head 38 and the snap block 40 to snap into each other, thereby completing the fixation of the display screen frame 23 to the wall of the substrate 20.

[0034] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A multi-screen splicing structure of an LED display screen, comprising a substrate (20), the front wall of the substrate (20) being movably connected to a display screen frame (23), characterized in that: The rear wall surface of the display screen frame (23) is provided with a combined structure, the combined structure comprising a snap-on shell (30) and a snap-on block (40), the snap-on shell (30) is fixedly connected to the front wall surface of the base plate (20), the snap-on block (40) is fixedly connected to the rear wall surface of the display screen frame (23), the snap-on block (40) can be snap-connected with the snap-on shell (30), and the combined structure can connect the display screen frame (23) and the base plate (20).

2. The LED display screen multi-screen splicing structure according to claim 1 is characterized in that: The buckle shell (30) is in the form of a hollow rectangle with a rectangular opening on the front wall, the buckle block (40) is in the form of an arrow-shaped cross section, the front wall of the base plate (20) is provided with alignment grooves (21) symmetrically arranged in the upper and lower parts, the rear wall of the display screen frame (23) is symmetrically fixedly connected with the alignment blocks (22) in the upper and lower parts, the alignment grooves (21) can be adapted to the alignment blocks (22), the alignment blocks (22) can enter the alignment grooves (21), and the position of the alignment blocks (22) corresponds to the position of the alignment grooves (21).

3. The LED display screen multi-screen splicing structure according to claim 1 is characterized in that: The combined structure further comprises a guide block (31), a stop block (32) and a clearance groove (41); the guide block (31) is symmetrically fixedly connected to two sides of the inner wall surface of the snap shell (30); the stop block (32) is also symmetrically fixedly connected to two sides of the inner wall surface of the snap shell (30); and the clearance groove (41) is symmetrically opened at the top and bottom of the snap block (40).

4. The LED display screen multi-screen splicing structure according to claim 3 is characterized in that: The cross section of the guide block (31) is in the form of a right-angled trapezoid, the front wall surface of the stop block (32) is fixedly connected to the rear wall surface of the guide block (31), the bottom of the guide block (31) is flush with the stop block (32), and when the buckle block (40) enters the cavity of the buckle shell (30), the stop block (32) and the guide block (31) can enter the clearance groove (41).

5. The LED display screen multi-screen splicing structure according to claim 3 is characterized in that: The combined structure also includes a spring plate (33), a base spring (34), a rotating column (35), a clamping plate (36), a retaining groove (37), a clamping head (38) and a slide plate (39); the spring plate (33) is elastically connected to the inner wall of the clamping shell (30) through the base spring (34) in the cavity of the clamping shell (30); the rear wall of the base spring (34) is fixedly connected to the rear wall of the cavity of the clamping shell (30); the rotating column (35) is rotatably connected to the front wall of the spring plate (33); the rear wall of the clamping plate (36) is fixedly connected to the rotating column (35); the retaining groove (37) is symmetrically arranged on both sides of the clamping plate (36); the clamping head (38) is fixedly connected to the front wall of the clamping plate (36); and the slide plate (39) is elastically connected to the clamping plate (36) through a spring at the bottom of the clamping plate (36).

6. The LED display screen multi-screen splicing structure according to claim 5 is characterized in that: The base spring (34) can push the spring plate (33) toward the front wall of the snap shell (30); the rotating column (35), the clamping plate (36), the clamping head (38) and the sliding plate (39) are symmetrically arranged on the front wall of the spring plate (33); when the snap block (40) enters the cavity of the snap shell (30), the clamping head (38) symmetrically arranged on the upper and lower walls of the snap block (40) can be clamped; the stop block (32) and the guide block (31) can be in the stop groove (37); the number and position of the guide block (31) and the stop block (32) correspond to the stop groove (37).

7. The LED display screen multi-screen splicing structure according to claim 6 is characterized in that: The rear wall of the slide plate (39) can slide along the inner wall of the snap shell (30), the spring on the wall of the slide plate (39) can push the clamping plate (36) toward the symmetrical clamping plate (36), the cross-section of the clamping head (38) is a right triangle, the rear wall of the clamping head (38) can contact the inclined surface of the guide block (31), and the combined structure is symmetrically arranged on the front wall of the base plate (20).

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