CN115497385A - LED curved surface split joint display screen - Google Patents

Abstract

The application relates to an LED curved surface spliced display screen which comprises at least two mutually spliced LED box bodies, wherein a radian locking piece, a radian adjusting piece, a locking assembly and a guiding assembly are connected between every two adjacent LED box bodies; the radian locking piece comprises a locking seat and a base which are respectively arranged on two adjacent LED box bodies, a locking column is arranged on the base, an arc-shaped sliding block is arranged on the locking seat, a guide hole is arranged on the arc-shaped sliding block, and a locking hole is arranged on the locking seat; the radian adjusting piece is installed on the lock seat and is used for adjusting the sliding radian of the arc-shaped sliding block, the locking assembly is installed on the lock seat and is connected and locked with the lock column, and the guide assembly is connected with two adjacent LED boxes. The whole process of this application makes two adjacent LED boxes be in the aligned state all the time when angle of adjustment through the direction subassembly, only rotates around the concatenation line level to reduce the concatenation degree of difficulty of LED display screen on the whole, simplify the concatenation step of curved surface LED display screen, thereby improve the concatenation efficiency of curved surface LED display screen.

Description

A LED curved surface splicing display

technical field

The present application relates to the field of LED display technology, in particular to an LED curved splicing display screen.

Background technique

The current curved LED display screens are all LED splicing boxes that undergo strict mathematical calculations and decompose the spherical surface (or part of the spherical surface) into various geometric shapes. These LED splicing boxes are spliced through locks to form a curved LED display. Screen. When splicing curved screens, the locks generally use arc locks to minimize the seams and improve the display effect of the LED display.

The arc lock includes an arc lock seat and a lock head. There is a lock hole for the lock head to be inserted in the arc lock seat. When two LED cabinets are spliced, the joints of the two LED cabinets are aligned and the bending angle is adjusted. The arc lock Located at the joint between the two LED cabinets, the arc lock base and the lock head are respectively installed on different LED cabinets and arranged oppositely. stitching.

When two LED cabinets are being spliced together, it is necessary to adjust the angle between the two LED cabinets while aligning the two LED cabinets so that the lock head can be inserted into the arc lock seat. When the lock locks the two LED cabinets It is necessary to continuously maintain the angle of the two LED cabinets to ensure that the bending angle conforms to the design size, which increases the difficulty of splicing curved LED displays and reduces the splicing efficiency of curved LED displays.

Contents of the invention

In order to reduce the splicing difficulty of the LED display screen, simplify the splicing steps of the curved LED display screen, and improve the splicing efficiency of the curved LED display screen, the present application provides a curved LED display screen splicing.

An LED curved surface splicing display screen provided by this application adopts the following technical scheme:

An LED curved surface splicing display screen, comprising at least two mutually spliced LED cabinets, and arc locks, arc adjustment parts, locking components and guide components are connected between two adjacent LED cabinets;

The arc lock includes a lock seat and a base that are arranged oppositely. The lock seat and the base are respectively installed on two adjacent LED boxes. The lock column is installed on the base. An arc-shaped slider that slides in the direction of the column, the arc-shaped slider is provided with a guide hole for the lock column to slide through, and the lock seat is provided with a locking hole for the lock column to slide and insert;

The arc adjustment part is installed on the lock base and connected with the arc slider, the arc adjustment part is used to adjust the sliding arc of the arc slider, and the locking assembly is installed on the lock base and connected with the lock cylinder Tight, the guide assembly connects two adjacent LED boxes so as to adjust the splicing position of the two LED boxes along the sliding direction of the arc-shaped slider.

By adopting the above-mentioned technical scheme, when splicing two adjacent LED cabinets, first connect the guide assembly between the two LED cabinets so that the two LED cabinets are in an aligned state, and then connect the two LED cabinets Rotate around the splicing line at the splicing point to a suitable angle, adjust the sliding angle of the arc slider through the arc adjuster until the arc slider touches the base, the lock cylinder passes through the guide hole and inserts into the socket, and the arc is limited by the arc adjuster The sliding angle of the arc-shaped slider can reduce the probability of shaking the position of the arc-shaped slider, and the locking cylinder and the lock seat can be locked by the locking component, so as to realize the splicing of two LED cabinets. During the whole process, the two adjacent LED cabinets are always in alignment when adjusting the angle through the guide assembly, and only rotate horizontally around the splicing line, thereby reducing the splicing difficulty of the LED display as a whole and simplifying the splicing steps of the curved LED display. Thereby improving the splicing efficiency of the curved LED display.

Preferably, the LED box includes an LED screen, a module and a splicing frame, the LED screen and the splicing frame are respectively located on opposite sides of the module, the lock seat and the base are installed on the splicing frame, the The side walls of the LED screen and the module are slopes that gradually incline towards the center along the direction close to the splicing frame.

By adopting the above technical scheme, the LED screen is separated from the splicing frame, so that when the arc-shaped lock piece splices two adjacent LED boxes, the distance between the two adjacent LED screens can be reduced as much as possible, and the display effect of the LED screen can be improved. . Moreover, the side wall of the LED screen is inclined, so that the LED screens can be spliced with curved surfaces, and the probability of collision between the LED screens between two adjacent LED boxes due to the spliced curved surfaces can be reduced.

Preferably, the arc-shaped slider rotates around the splicing line where two adjacent LED boxes are spliced, and the end face of the lock seat facing the lock cylinder is provided with an arc-shaped chute for the arc-shaped slider to slide. A positioning post is provided on the end face of the arc-shaped slider facing the lock post, and a positioning hole for the coaxial insertion of the positioning post is provided on the base.

By adopting the above-mentioned technical scheme, the arc-shaped slider is arranged along the rotation track of the LED box so that the arc-shaped slider moves to connect with the lock column, and the distance between the two adjacent locks can be adjusted by the arc-shaped slider sliding out of the lock seat. The splicing angle of the LED cabinet and the positioning column can improve the connection strength between the arc slider and the base, reduce the shaking amplitude of the connection between the arc slider and the base, and improve the connection strength of the arc lock.

Preferably, the radian adjustment member includes a limit slide bar, an anti-retraction part and a returnable part;

The upper end surface of the arc-shaped slider is provided with a limit chute arranged along its own sliding direction, one end of the limit slide bar is vertically slid into the limit chute, and the other end of the limit slide bar is vertically inserted into the limit chute. Sliding through the lock seat, the anti-return part is installed between the arc slider and the limit slide bar and is used to prevent the arc slider from sliding in the direction away from the lock cylinder, and the return part is installed on the limit slide Between the rod and the lock seat, it is convenient for the arc-shaped slider to slide in a direction away from the lock cylinder.

By adopting the above technical scheme, when the arc slider slides to a suitable angle in the direction close to the lock cylinder, the sliding direction of the arc slider is limited by the anti-backward part, reducing the probability of the arc slider sliding in the direction away from the lock cylinder , when the arc slider needs to slide in the direction close to the lock column, after the arc slider slides to a suitable angle in the direction away from the lock column through the retractable part, the sliding angle of the arc slider is limited by the anti-retraction part , to limit the sliding of the arc slider in the direction away from the lock cylinder.

Preferably, the anti-retraction part includes a rack, a locking tooth, an anti-retraction spring and an anti-retraction baffle;

The rack is installed at the notch of the arc chute on the arc slider and along the laying direction of the arc chute, the locking teeth are rotatably installed on the limit slide bar and meshed with the rack, the anti The retracting spring is located on the side of the locking tooth close to the lock cylinder and is connected to the locking tooth and the limit slide bar. The teeth are in contact with each other.

By adopting the above-mentioned technical solution, when the arc-shaped slider slides in the direction close to the lock column, the rack abuts against the locking tooth and pushes the locking tooth to rotate in the direction close to the locking column, so that the locking tooth and the rack are out of mesh, so that The rack moves together with the arc slider. When the arc-shaped slider slides in the direction away from the lock cylinder, the rack will abut against the locking teeth and push the locking teeth to rotate in the direction away from the locking cylinder. Since the anti-retraction baffle abuts against the locking teeth, the locking teeth will be prevented from moving Sliding in the direction away from the lock cylinder, the locking teeth engage with the rack, thereby blocking the movement of the arc-shaped slide bar in the direction away from the lock cylinder through the rack.

Preferably, the retractable part includes a retractable sliding column and a return spring, the retractable sliding column is located in an arc-shaped chute and is vertically installed on the lock seat, and the limiting sliding rod is coaxially slidably sleeved on the The retractable sliding column, the return spring is coaxially sleeved on the retractable sliding column, and the two ends are respectively connected to the lock seat and the limit sliding rod.

By adopting the above-mentioned technical solution, when the arc-shaped slide bar needs to move away from the lock column, the limit slide bar moves away from the retractable slide column, and the return spring is extended until the locking tooth is away from the rack, so as to facilitate the arc The shaped slide bar can slide along the direction away from the lock cylinder.

Preferably, the locking assembly includes a plurality of snap rings, a card seat and a control member; the plurality of snap rings are sleeved coaxially and spaced on the lock cylinder, and there is a hole in the lock seat for the card seat to move along the locking hole. radially sliding locking chute, the locking chute communicates with the locking hole, the card seat is provided with a card bar that is engaged with the snap ring, the control member is connected with the card seat and is used to drive The clip slides in or out of the locking hole.

By adopting the above technical solution, when the lock cylinder is slid and inserted into the locking hole, the control member pushes the card holder to slide into the locking hole, so that the snap ring and the clamping strip are locked together, thereby realizing the effect of locking the lock cylinder.

Preferably, the control member includes a control screw and a control handle, one end of the control screw is located in the locking chute and is rotatably connected with the card seat along the radial direction of the locking hole, and the other end of the control screw is threaded through the lock The seat is connected and fixed with the control handle.

By adopting the above-mentioned technical scheme, by rotating the control screw in the forward direction, the control screw moves in the direction close to the locking hole while rotating, and because the control screw is rotatably connected with the deck, it drives the deck to slide in the direction close to the locking hole until the lock The strip slides into the locking hole and snaps into the snap ring.

Preferably, the guide assembly includes a guide insert and a guide slide that are arranged oppositely;

The guide board and the guide slide are installed horizontally on the splicing frames of two adjacent LED cabinets respectively, the side of the guide board facing the guide slide is provided with a dovetail slider, and one side of the guide board is provided with a There is a dovetail chute for the vertical insertion of the dovetail slider, and the other side is rotated and inserted into the splicing frame around the splicing line at the splicing point of two adjacent LED cabinets. The splicing frame is provided with an arc-shaped guide slot for the insertion of the guide plate , the splicing frame is provided with an anti-off plate to prevent the splicing frame from breaking away from the arc guide groove.

By adopting the above technical scheme, when two adjacent LED boxes are spliced, the dovetail slider on the guide plate on one of the LED boxes slides vertically and inserts into the dovetail on the guide plate on the other LED box. In the chute, when the two adjacent LED cabinets adjust the splicing angle, the guide slide slides in the arc-shaped guide groove, so as to guide the rotation direction of the two adjacent LED cabinets when adjusting the splicing angle, so as to reduce the The probability that two adjacent LED boxes will deviate in the horizontal direction when adjusting the angle.

Preferably, a horizontally arranged alignment baffle is provided on the side wall of the guide insert facing the guide slide, and one end of the alignment baffle slides into contact with one end of the guide slide.

By adopting the above technical solution, the vertical position of two adjacent LED boxes is limited by the abutment of the alignment baffle and the guide plate, so that the two adjacent LED boxes are always vertically aligned when the angle is adjusted, thereby reducing the The difficulty of splicing two adjacent LED cabinets.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The two LED cabinets are in an aligned state through the guide assembly. When the two LED cabinets rotate around the splicing line to a suitable angle, the arc slider is limited by the arc adjustment part to reduce the arc slider. In order to avoid the probability of shaking of the block position, the locking column and the lock seat are locked by the locking component, so as to realize the splicing of the two LED cabinets. Thereby reducing the splicing difficulty of the LED display as a whole, simplifying the splicing steps of the curved LED display, and improving the splicing efficiency of the curved LED display;

2. When the arc-shaped slider slides to a suitable angle in the direction close to the lock cylinder, the sliding direction of the arc-shaped slider is limited by the anti-return part. When the arc-shaped slider needs to slide in the direction close to the lock cylinder, the retractable The parts make the arc slider slide along the direction away from the lock cylinder;

3. After the lock cylinder is slid into the locking hole, the control member pushes the card holder to slide into the locking hole, so that the snap ring and the clamping strip are snapped together, thereby achieving the effect of locking the lock cylinder.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application.

Fig. 2 is a schematic diagram of the internal structure of the arc lock in the embodiment of the present application.

Fig. 3 is a schematic diagram of the connection between the arc adjustment member and the lock seat in the embodiment of the present application.

Fig. 4 is a structural schematic diagram of the anti-refundable part and the returnable part in the embodiment of the present application.

Fig. 5 is a schematic structural diagram of the guide assembly in the embodiment of the present application.

In the figure: 1. LED cabinet; 11. LED screen; 12. module; 13. splicing frame; 2. arc lock; 21. lock seat; 22. base; 23. lock column; 24. arc slider ; 25, guide hole; 26, locking hole; 27, arc-shaped chute; 28, positioning column; 29, locking chute; 3, radian adjustment part; 31, limit slide bar; 321, rack; 322, locking teeth; 323, anti-retreat spring; 324, anti-retreat baffle plate; 33, returnable parts; 331, returnable sliding column; 332, reset spring; 34, limit chute; 4, Locking assembly; 41, snap ring; 42, deck; 43, control screw; 5, guide assembly; 51, guide plate; 52, guide slide plate; 53, dovetail slider; 54, dovetail chute; Shape guide groove; 56, anti-off plate; 57, alignment baffle plate.

detailed description

The present application will be described in further detail below in conjunction with accompanying drawings 1-5. -

The embodiment of the application discloses an LED curved surface splicing display screen. Referring to FIG. 1 and FIG. 2 , the display screen includes at least two LED cabinets 1 , an arc lock 2 , an arc adjuster 3 , a locking assembly 4 and a guide assembly 5 .

Among them, the arc lock 2 and the guide assembly 5 are located between two adjacent LED boxes 1, at least two guide assemblies 5 are installed between two adjacent LED boxes 1, and the arc lock 2 is located between the two guide assemblies. 5 is convenient for guiding the sliding direction of the two LED box bodies 1 . The arc lock 2 includes a lock seat 21 and a base 22 arranged oppositely. The lock seat 21 is installed on one of the LED box bodies 1, the base 22 is installed on the other two LED box bodies 1, and a lock column 23 is installed on the base 22. The lock base 21 is provided with an arc-shaped slider 24 that slides in a direction close to or away from the lock cylinder 23. The arc-shaped slider 24 is provided with a guide hole 25 for the lock cylinder 23 to slide through. The locking cylinder 23 is slidably inserted into the locking hole 26 . The arc adjustment part 3 is installed on the lock base 21 and connected with the arc slider 24. The arc adjustment part 3 is used to adjust the sliding arc of the arc slider 24. The locking assembly 4 is installed on the lock base 21 and connected with the lock column 23 The connection is locked.

In addition, as shown in Figure 3 and Figure 4, the arc-shaped slider 24 rotates around the splicing line where two adjacent LED boxes 1 are spliced, and the end surface of the lock seat 21 opposite to the lock cylinder 23 is provided with an arc-shaped slider 24 Sliding arc-shaped chute 27, arc-shaped slider 24 is provided with positioning post 28 on the end face facing lock post 23, and base 22 is provided with a positioning hole for coaxial insertion of positioning post 28.

When two adjacent LED boxes 1 are spliced, the guide assembly 5 makes the two LED boxes 1 in an aligned state, and then the two LED boxes 1 are rotated to a suitable angle around the splicing line at the splicing point, and the radian adjuster 3 Adjust the sliding angle of the arc slider 24 until the arc slider 24 abuts against the base 22, the positioning column 28 is inserted into the positioning hole, and the locking column 23 passes through the guide hole 25 and is inserted into the socket to lower the position of the arc slider 24. probability of shaking. Afterwards, the locking cylinder 23 and the locking seat 21 are locked by the locking assembly 4, so as to realize the splicing of the two LED boxes 1 . The two adjacent LED cabinets 1 are always in alignment when the angle is adjusted, and only rotate horizontally around the splicing line, thereby reducing the splicing difficulty of the LED display as a whole, simplifying the splicing steps of the curved LED display, and improving the curved LED display. Screen splicing efficiency.

Referring to FIG. 1 , the LED box 1 includes an LED screen 11 , a module 12 and a splicing frame 13 . The LED screen 11 and the splicing frame 13 are respectively located on opposite sides of the module 12 . Both the lock base 21 and the base 22 are installed on the splicing frame 13 . The side walls of the LED screen 11 and the module 12 are slopes that gradually incline toward the center along the direction close to the splicing frame 13, so that the LED screen 11 can be spliced on a curved surface at a rotation angle, thereby reducing the distance between two adjacent LED boxes 1. The LED screen 11 has the probability of colliding with each other due to the splicing of curved surfaces.

Referring to FIG. 5 , the guide assembly 5 includes a guide insert 51 and a guide slide 52 arranged oppositely.

Wherein, the guide board 51 and the guide board 52 are respectively horizontally installed on the splicing frame 13 of two adjacent LED cabinets 1, and the side of the guide board 51 opposite to the guide board 52 is provided with a dovetail slider 53, and the guide board One side of 51 is provided with a dovetail chute 54 for the vertical insertion of the dovetail slider 53, and the other side is rotated and inserted into the splicing frame 13 around the splicing line where two adjacent LED cabinets 1 are spliced. The arc-shaped guide groove 55 where the plate 51 is inserted, and the splicing frame 13 is provided with an anti-off plate 56 to prevent the splicing frame 13 from breaking away from the arc-shaped guide groove 55 .

In addition, a horizontal alignment baffle 57 is arranged on the side wall of the guide plate 51 facing the guide slide 52 , and one end of the alignment baffle 57 slides against one end of the guide slide 52 .

When two adjacent LED boxes 1 are spliced, the dovetail slider 53 on the guide plate 51 on one of the LED box 1 is vertically slid and inserted into the dovetail on the guide plate 52 on the other LED box 1. The slide groove 54 abuts against the alignment baffle 57 to limit the vertical position of two adjacent LED boxes 1 . When two adjacent LED boxes 1 are adjusting the splicing angle, the guide slide plate 52 slides in the arc-shaped guide groove 55, thereby guiding the rotation direction of the two adjacent LED boxes 1 when adjusting the splicing angle, so as to reduce the The probability that two adjacent LED boxes 1 are shifted in the horizontal direction when the angle is adjusted.

Referring to FIG. 3 and FIG. 4 , the arc adjustment member 3 includes a limit slide bar 31 , an anti-backward member 32 and a retractable member 33 .

Wherein, the upper end surface of the arc-shaped slider 24 is provided with a limit chute 34 arranged along its own sliding direction, one end of the limit slide bar 31 slides vertically into the limit chute 34, and the other end vertically slides through the lock seat twenty one. The anti-backward member 32 is installed between the arc-shaped slider 24 and the limit slide bar 31 so as to prevent the arc-shaped slider 24 from sliding away from the locking cylinder 23 . The retractable part 33 is installed between the limit slide bar 31 and the lock seat 21 so as to make the arc-shaped slider 24 slide away from the lock cylinder 23 .

In addition, the anti-retraction component 32 includes a rack 321 , a locking tooth 322 , an anti-retraction spring 323 and an anti-retraction baffle 324 . The rack 321 is installed at the notch of the arc chute 27 on the arc slider 24 and along the laying direction of the arc chute 27, the locking tooth 322 is rotated and installed on the limit slide bar 31 and meshed with the rack 321, The anti-retraction spring 323 is located on the side of the latch 322 close to the lock cylinder 23 and is connected to the latch 322 and the limit slide bar 31, and the anti-retraction baffle 324 is installed on the limit slide bar 31 and is located on the side of the latch 322 away from the lock cylinder 23 , so that the anti-retraction baffle 324 abuts against the locking teeth 322 .

In addition, the retractable component 33 includes a retractable sliding post 331 and a reset spring 332 . The retractable sliding column 331 is located in the arc-shaped chute 27 and is vertically installed on the lock seat 21. The limit sliding rod 31 is coaxially slidably sleeved on the retractable sliding column 331, and the return spring 332 is coaxially sleeved on the retractable sliding column. The lock seat 21 and the limit slide bar 31 are respectively connected to the column 331 and both ends thereof.

When the arc-shaped slider 24 slides in the direction close to the lock cylinder 23, the rack 321 abuts against the latch 322 and pushes the latch 322 to rotate in the direction close to the lock cylinder 23, so that the latch 322 and the rack 321 are out of mesh , so that the rack 321 moves together with the arc slider 24 . When the arc slider 24 slides in a direction away from the lock cylinder 23, the anti-retraction baffle 324 abuts against the latch 322 to prevent the latch 322 from sliding in a direction away from the lock cylinder 23, so that the latch 322 and the rack 321 engagement, thereby preventing the arc-shaped sliding bar from moving away from the locking cylinder 23. When the arc-shaped slide bar needs to move away from the lock column 23, the limit slide bar 31 moves away from the retractable slide column 331, and the return spring 332 stretches until the latch 322 is away from the rack 321, and the arc slides The bar is slidable in a direction away from the locking cylinder 23 .

Referring to FIG. 2 and FIG. 3 , the locking assembly 4 includes a plurality of snap rings 41 , a snap seat 42 and a control member.

Among them, a plurality of snap rings 41 are coaxially and spaced on the lock cylinder 23, and the lock seat 21 is provided with a locking chute 29 for the card seat 42 to slide radially along the locking hole 26, and the locking chute 29 communicates The locking hole 26 and the card seat 42 are provided with a clamping bar that engages with the snap ring 41 .

In addition, the control member includes a control screw 43 and a control handle. One end of the control screw 43 is located in the locking chute 29 and is rotatably connected with the card seat 42 along the radial direction of the locking hole 26 , and the other end of the control screw 43 is threaded through the lock seat 21 and is connected and fixed with the control handle.

After the lock cylinder 23 slides into the locking hole 26, by turning the control screw 43 in the forward direction, the control screw 43 moves in a direction close to the locking hole 26 while turning to push the card holder 42 to slide into the locking hole 26, so that the card The ring 41 is clamped with the clamping bar, so as to achieve the effect of locking the locking cylinder 23 .

The implementation principle of an LED curved surface splicing display screen in the embodiment of the present application is as follows: when two adjacent LED cabinets 1 are spliced, first connect the guide assembly 5 between the two LED cabinets 1, and adjust the two LED cabinets 1. The angle between the cabinets 1 meets the design requirements, and then adjust the sliding angle of the arc slider 24 through the arc adjustment part 3 until the arc slider 24 abuts against the base 22, and the lock cylinder 23 passes through the guide hole 25 and is inserted into the jack , and then the arc adjustment part 3 limits the sliding angle of the arc slider 24, and finally locks the locking column 23 and the lock seat 21 through the locking component 4, and finally reduces the difficulty of splicing the LED display screen as a whole, and simplifies the installation of the curved LED display screen. Splicing steps, thereby improving the splicing efficiency of curved LED displays.

All of the above are preferred embodiments of the present application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape and principle of the application should be covered by the protection scope of the application. Inside.

Claims (10)

1. An LED curved splicing display screen, characterized in that: it includes at least two LED cabinets (1) that are spliced together, and two adjacent LED cabinets (1) are connected with arc locks (2), arc Adjusting piece (3), locking assembly (4) and guiding assembly (5); The arc lock (2) includes a lock seat (21) and a base (22) arranged oppositely, and the lock seat (21) and the base (22) are respectively installed on two adjacent LED boxes (1), and the base Lock column (23) is installed on (22), and described lock seat (21) is provided with along the arc slide block (24) that slides near or away from the direction of lock column (23), described arc slide block ( 24) is provided with a guide hole (25) for the lock column (23) to slide through, and the lock base (21) is provided with a locking hole (26) for the lock column (23) to slide through; The arc adjustment part (3) is installed on the lock seat (21) and connected with the arc slider (24), and the arc adjustment part (3) is used to adjust the sliding arc of the arc slider (24). The locking assembly (4) is installed on the lock base (21) and connected and locked with the locking column (23), and the guide assembly (5) is connected to two adjacent LED boxes (1) so as to facilitate the alignment of the two LED boxes. The splicing position of the box body (1) is adjusted along the sliding direction of the arc-shaped slider (24). 2. A LED curved surface splicing display screen according to claim 1, characterized in that: the LED box (1) includes an LED screen (11), a module (12) and a splicing frame (13), the The LED screen (11) and the splicing frame (13) are respectively located on the opposite sides of the module (12), the lock seat (21) and the base (22) are installed on the splicing frame (13), and the LED screen The side walls of (11) and the module (12) are inclined planes gradually inclined towards the center along the direction close to the splicing frame (13). 3. The LED curved surface splicing display screen according to claim 1, characterized in that: the arc-shaped slider (24) rotates around the splicing line where two adjacent LED cabinets (1) are spliced, and the The end face of the lock seat (21) opposite to the lock cylinder (23) is provided with an arc-shaped chute (27) for the sliding of the arc-shaped slider (24), and the arc-shaped slider (24) is facing the lock cylinder (23) A positioning column (28) is provided on the end face of the base (22), and a positioning hole for the coaxial insertion of the positioning column (28) is opened on the base (22). 4. The LED curved surface splicing display screen according to claim 3, characterized in that: the arc adjustment part (3) includes a limit slide bar (31), an anti-return part (32) and a return part (33 ); The upper end surface of the arc-shaped slider (24) is provided with a limit chute (34) arranged along its sliding direction, and one end of the limit slide rod (31) slides vertically into the limit chute (34). , the other end of the limit slide bar (31) slides vertically through the lock seat (21), and the anti-backward part (32) is installed between the arc slider (24) and the limit slide bar (31) and is used to prevent the arc slider (24) from sliding along the direction away from the lock column (23), and the retractable part (33) is installed between the limit slide bar (31) and the lock seat (21) and is convenient The arc-shaped slider (24) can slide along the direction away from the lock post (23). 5. The LED curved surface splicing display screen according to claim 4, characterized in that: the anti-retraction part (32) includes a rack (321), a locking tooth (322), an anti-retraction spring (323) and an anti-retraction back baffle (324); The rack (321) is installed at the notch of the arc-shaped chute (27) on the arc-shaped slider (24) and along the laying direction of the arc-shaped chute (27), the locking teeth (322) are rotated and installed On the limit slide bar (31) and meshed with the rack (321), the anti-back spring (323) is located on the side of the latch (322) close to the lock cylinder (23) and connects the latch (322) and the limit Slide bar (31), the anti-retreat baffle (324) is installed on the limit slide bar (31) and is located on the side of the latch (322) away from the lock cylinder (23), the anti-retreat baffle (324) Abut against the locking teeth (322). 6. The LED curved surface splicing display screen according to claim 5, characterized in that: the retractable part (33) includes a retractable sliding column (331) and a return spring (332), and the retractable sliding column (331) is located in the arc-shaped chute (27) and is installed vertically on the lock seat (21). The spring (332) is coaxially sleeved on the retractable sliding column (331), and the two ends are respectively connected to the lock seat (21) and the limit sliding rod (31). 7. The LED curved surface splicing display screen according to claim 1, characterized in that: the locking assembly (4) includes a plurality of snap rings (41), card holders (42) and control parts; Two snap rings (41) are coaxially and spaced on the lock cylinder (23), and the lock seat (21) is provided with a locking slide for the card seat (42) to slide radially along the locking hole (26). slot (29), the locking chute (29) communicates with the locking hole (26), the card seat (42) is provided with a clamping strip that is clamped with the snap ring (41), and the control piece and The card holder (42) is connected and used to drive the card bar to slide into or out of the locking hole (26). 8. The LED curved surface splicing display screen according to claim 7, characterized in that: the control member includes a control screw (43) and a control handle, and one end of the control screw (43) is located in the locking chute ( 29) and rotate along the radial direction of the locking hole (26) with the card seat (42), and the other end of the control screw (43) is threaded through the lock seat (21) and connected and fixed with the control handle. 9. A LED curved surface splicing display screen according to claim 2, characterized in that: the guide assembly (5) includes a guide insert (51) and a guide slide (52) arranged oppositely; The guide board (51) and the guide slide (52) are installed horizontally on the splicing frames (13) of two adjacent LED boxes (1), respectively, and the guide board (51) faces the guide slide (52) ) is provided with a dovetail slider (53), one side of the guide plate (51) is provided with a dovetail chute (54) for the vertical insertion of the dovetail slider (53) and the other side surrounds two adjacent The splicing line at the splicing place of two LED boxes (1) is rotated and inserted into the splicing frame (13), and the splicing frame (13) is provided with an arc-shaped guide groove (55) for inserting the guide plate (51), and the splicing frame (13) is provided with the anti-off plate (56) that prevents splicing frame (13) from breaking away from arc guide groove (55). 10. An LED curved surface splicing display screen according to claim 9, characterized in that: the side wall of the guide insert (51) facing the guide slide (52) is provided with a horizontal alignment baffle (57 ), one end of the alignment baffle (57) is in sliding contact with one end of the guide slide (52).

Images