CN115497385A

CN115497385A - LED curved surface split joint display screen

Info

Publication number: CN115497385A
Application number: CN202211304168.2A
Authority: CN
Inventors: 凌洪; 周立冬; 朱宁; 汪裕创; 李峰
Original assignee: Shenzhen Longrun Optoelectronic Co ltd
Current assignee: Shenzhen Longrun Optoelectronic Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2022-12-20

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

LED curved surface split joint display screen

Technical Field

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

Background

The current curved surface LED display screen is formed by strictly calculating and decomposing a spherical surface (or a part of the spherical surface) into LED spliced box bodies with various geometric shapes, and splicing the LED spliced box bodies through a lockset. When the concatenation curved surface screen, the tool to lock generally chooses the radian lock for use to reduce the piece as far as possible, improve the display effect of LED display screen.

Radian lock includes radian lock seat and tapered end, has seted up on the radian lock seat and has supplied tapered end male lockhole, when two LED boxes splice, and two LED box concatenation departments align and have adjusted bending angle, and the radian lock is located the concatenation department between two LED boxes, and radian lock seat and tapered end are installed respectively on the LED box of difference and are laid relatively, and the tapered end inserts in the lockhole of radian lock seat to realize the concatenation of two LED boxes.

When two LED boxes are spliced, the angle between the two LED boxes needs to be adjusted while aligning the two LED boxes, so that the lock head can be inserted into the radian lock seat, the angle of the two LED boxes needs to be continuously maintained when the two LED boxes are locked by the lock, the bending angle is ensured to accord with the design size, the splicing difficulty of the curved surface LED display screen is increased, and the splicing efficiency of the curved surface LED display screen is reduced.

Disclosure of Invention

In order to reduce the splicing difficulty of the LED display screen and simplify the splicing steps of the curved surface LED display screen, and therefore the splicing efficiency of the curved surface LED display screen is improved, the application provides the LED curved surface spliced display screen.

The application provides a LED curved surface tiled display screen adopts following technical scheme:

an LED curved surface spliced display screen 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 lock seat and a base which are oppositely arranged, the lock seat and the base are respectively arranged on two adjacent LED box bodies, a lock column is arranged on the base, an arc-shaped sliding block which slides along the direction close to or far away from the lock column is arranged on the lock seat, a guide hole for the lock column to slide through is formed in the arc-shaped sliding block, and a locking hole for the lock column to slide and insert is formed in the lock seat;

the radian regulating part is installed on the lock seat and is connected with the arc-shaped sliding block, the radian regulating part is used for regulating 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 so as to adjust the splicing position of the two LED boxes along the sliding direction of the arc-shaped sliding block.

Through adopting above-mentioned technical scheme, when two adjacent LED boxes splice, at first connect the direction subassembly between two LED boxes, make two LED boxes belong to the alignment state, rotate two LED boxes to suitable angle around the concatenation line of concatenation department afterwards, slip angle through radian regulating part adjustment arc slider is until arc slider and base butt, the lock post passes the guiding hole and inserts the jack, the slip angle of arc slider is injectd through the radian regulating part, with the probability that reduces the arc slider position and rock, lock post and lock seat are locked through locking subassembly, thereby realize the concatenation to two LED boxes. The whole process enables two adjacent LED boxes to be always in an aligned state when the angle is adjusted through the guide assembly, and only the two adjacent LED boxes horizontally rotate around the splicing line, so that the splicing difficulty of the LED display screen is integrally reduced, the splicing step of the curved surface LED display screen is simplified, and the splicing efficiency of the curved surface LED display screen is improved.

Preferably, the LED box body comprises an LED screen, a module and a splicing frame, the LED screen and the splicing frame are respectively located on two sides of the module which are arranged relatively, the lock seat and the base are both installed on the splicing frame, and the side walls of the LED screen and the module are inclined planes which are inclined towards the center gradually along the direction close to the splicing frame.

Through adopting above-mentioned technical scheme, with LED screen and concatenation frame separation for reduce the distance between two adjacent LED screens as far as possible when the arc latch fitting splices two adjacent LED boxes, improve the display effect of LED screen. And the side wall of the LED screen is an inclined plane, so that the LED screen can be conveniently spliced by a curved surface, and the probability of mutual collision of the LED screen between two adjacent LED boxes due to curved surface splicing is reduced.

Preferably, the arc-shaped sliding block rotates around a splicing line at the splicing position of two adjacent LED box bodies, an arc-shaped sliding groove for the arc-shaped sliding block to slide is formed in the end face, opposite to the lock column, of the lock seat, a positioning column is arranged on the end face, opposite to the lock column, of the arc-shaped sliding block, and a positioning hole for the positioning column to be inserted coaxially is formed in the base.

Through adopting above-mentioned technical scheme, the arc slider is laid along the rotation orbit of LED box to in the arc slider remove to be connected with the lock post, and can adjust the concatenation angle of two adjacent LED boxes through the distance of arc slider roll-off lock seat, and can improve the joint strength of arc slider and base through the reference column, reduce the range that arc slider and base junction rocked, improve the joint strength of arc latch fitting.

Preferably, the radian adjusting part comprises a limiting sliding rod, an anti-return part and a return part;

the limiting sliding groove arranged along the sliding direction of the arc-shaped sliding block is formed in the upper end face of the arc-shaped sliding block, the limiting sliding groove is vertically inserted into one end of the limiting sliding rod in a sliding mode, the other end of the limiting sliding rod vertically slides to penetrate through the lock seat, the withdrawing prevention piece is installed between the arc-shaped sliding block and the limiting sliding rod and used for blocking the arc-shaped sliding block to slide along the direction far away from the lock column, and the withdrawing piece is installed between the limiting sliding rod and the lock seat and is convenient for enabling the arc-shaped sliding block to slide along the direction far away from the lock column.

Through adopting above-mentioned technical scheme, after the arc slider slides to suitable angle along the direction that is close to the lock post, through preventing moving back the slip direction that the arc slider was injectd to the piece, reduce the gliding probability of arc slider along the direction that deviates from the lock post, when the arc slider slides along the direction that is close to the lock post needs, through can moving back the piece make the arc slider slide to suitable angle back along the direction of keeping away from the lock post, through preventing moving back the slip angle that the piece restricts the arc slider promptly, slide along the direction that deviates from the lock post to the arc slider and restrict.

Preferably, the anti-return piece comprises a rack, a clamping tooth, an anti-return spring and an anti-return baffle;

the rack is installed in the notch department of arc spout on the arc slider and along the direction of laying of arc spout, the latch rotates to be installed on spacing slide bar and with the rack toothing, the spring of preventing moving back is located latch and is close to lock cylinder one side and connect latch and spacing slide bar, the baffle of preventing moving back is installed on spacing slide bar and is located latch and deviates from lock cylinder one side, the baffle of preventing moving back and latch looks butt.

Through adopting above-mentioned technical scheme, when the arc slider slided along the direction that is close to the lock, rack and latch butt promoted the latch and rotates along the direction that is close to the lock for latch and rack disengagement state, so that the rack removes along with arc slider is together. When the arc slider slides along the direction of keeping away from the lock post, rack and latch butt promote the latch along the direction pivoted trend of keeping away from the lock post, thereby block the latch along the direction of keeping away from the lock post and slide owing to prevent moving back baffle and latch butt, latch and rack toothing to block the removal of arc draw runner along the direction of keeping away from the lock post through the rack.

Preferably, can move back including can moving back traveller and reset spring, can move back the traveller and be located the arc spout and vertically install on the lock seat, the coaxial sliding sleeve of spacing slide bar is located can moving back the traveller, the coaxial cover of reset spring is established can moving back on the traveller and both ends connect lock seat and spacing slide bar respectively.

Through adopting above-mentioned technical scheme, when the arc draw runner need be along the direction of keeping away from the lock post when removing, spacing slide bar is along keeping away from the direction removal that can move back the traveller, and reset spring extends until the latch leaves the rack to the arc draw runner can be followed the direction of keeping away from the lock post and slided.

Preferably, the locking assembly comprises a plurality of clamping rings, a clamping seat and a control piece; the locking device comprises a locking column, a plurality of clamping rings, a clamping seat and a control piece, wherein the clamping rings are coaxially arranged on the locking column at intervals, a locking sliding groove for the clamping seat to slide along the radial direction of the locking hole is formed in the locking seat, the locking sliding groove is communicated with the locking hole, the clamping seat is provided with a clamping strip clamped with the clamping rings, and the control piece is connected with the clamping seat and is used for driving the clamping strip to slide into or slide out of the locking hole.

Through adopting above-mentioned technical scheme, after the lock post slides and inserts in the locking hole, the control promotes the cassette and slides as in the locking hole for the snap ring is connected with the card strip looks joint, thereby realizes the effect of locking the lock post.

Preferably, the control piece comprises a control screw and a control handle, one end of the control screw is located in the locking chute and is rotationally connected with the clamping seat along the radial direction of the locking hole, and the other end of the control screw penetrates through the locking seat and is fixedly connected with the control handle.

Through adopting above-mentioned technical scheme, through forward rotation control screw, control screw limit is rotated the direction that the border is close to the locking hole and is removed, because control screw rotates with the cassette to be connected to drive the cassette and slide along the direction that is close to the locking hole, until the card strip slips into the locking hole and block mutually with the snap ring.

Preferably, the guide assembly comprises a guide inserting plate and a guide sliding plate which are oppositely arranged;

the utility model discloses a LED light source module, including direction picture peg and direction slide, direction picture peg and direction slide respectively the concatenation frame of two adjacent LED boxes, the direction picture peg is just provided with the forked tail slider to one side of direction slide, direction picture peg one side is seted up and is supplied vertical male forked tail spout of forked tail slider and opposite side to rotate around the concatenation line of two adjacent LED box concatenation departments and insert the concatenation frame, the concatenation frame is seted up and is supplied direction picture peg male arc guide slot, be provided with the anticreep board of avoiding the concatenation frame to break away from the arc guide slot on the concatenation frame.

By adopting the technical scheme, when two adjacent LED boxes are spliced, the dovetail slide block on the guide inserting plate on one LED box is vertically inserted into the dovetail slide groove on the guide sliding plate on the other LED box in a sliding manner, so that when the splicing angle of the two adjacent LED boxes is adjusted, the guide sliding plate slides in the arc-shaped guide groove, the rotating direction of the two adjacent LED boxes when the splicing angle is adjusted is guided, and the probability of horizontal direction deviation of the two adjacent LED boxes when the splicing angle is adjusted is reduced.

Preferably, the side wall of the guide inserting plate, which is opposite to the guide sliding plate, is provided with an alignment baffle plate which is horizontally arranged, and one end of the alignment baffle plate is in sliding butt joint with one end of the guide sliding plate.

Through adopting above-mentioned technical scheme, through alignment baffle and direction picture peg butt to the vertical position of two adjacent LED boxes of restriction makes two adjacent LED boxes vertically align all the time when angle of adjustment, thereby reduces the concatenation degree of difficulty of two adjacent LED boxes.

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

1. make two LED boxes belong to the alignment state through direction subassembly, rotate to suitable angle around the concatenation line of concatenation department when two LED boxes, inject the slip angle of arc slider through radian regulating part to reduce the probability that arc slider position rocked, through locking Assembly locking lock post and lock seat, thereby realize the concatenation to two LED boxes. Therefore, the splicing difficulty of the LED display screen is integrally reduced, the splicing steps of the curved surface LED display screen are simplified, and the splicing efficiency of the curved surface LED display screen is improved;

2. when the arc-shaped sliding block slides to a proper angle along the direction close to the lock column, the sliding direction of the arc-shaped sliding block is limited through the anti-retreating piece, and when the arc-shaped sliding block is required to slide along the direction close to the lock column, the arc-shaped sliding block slides along the direction far away from the lock column through the retreating piece;

3. after the lock cylinder is inserted into the locking hole in a sliding mode, the control piece pushes the clamping seat to slide in the locking hole, the clamping ring is clamped with the clamping strip, and therefore the effect of locking the lock cylinder is achieved.

Drawings

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

Figure 2 is a schematic view of the internal structure of the arcuate locking member of the embodiment of the present application.

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

Fig. 4 is a schematic structural view of the anti-backing member and the backing member in the embodiment of the present application.

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

In the figure: 1. an LED box body; 11. an LED screen; 12. a module; 13. splicing the frames; 2. a radian locking piece; 21. a lock seat; 22. a base; 23. a lock cylinder; 24. an arc-shaped sliding block; 25. a guide hole; 26. a locking hole; 27. an arc-shaped chute; 28. a positioning column; 29. locking the sliding chute; 3. a radian adjusting member; 31. a limiting slide bar; 32. a withdrawal prevention member; 321. a rack; 322. clamping teeth; 323. a withdrawal prevention spring; 324. a retreat prevention baffle; 33. the piece can be withdrawn; 331. the slide column can be withdrawn; 332. a return spring; 34. a limiting chute; 4. a locking assembly; 41. a snap ring; 42. a card holder; 43. controlling the screw; 5. a guide assembly; 51. a guide inserting plate; 52. a guide slide plate; 53. a dovetail slide block; 54. a dovetail chute; 55. an arc-shaped guide groove; 56. an anti-drop plate; 57. aligning the baffle.

Detailed Description

The present application is described in further detail below with reference to figures 1-5. -

The embodiment of the application discloses LED curved surface tiled display screen. Referring to fig. 1 and 2, the display screen includes at least two LED boxes 1, an arc locking part 2, an arc adjusting part 3, a locking assembly 4, and a guide assembly 5.

Wherein, radian latch fitting 2 and direction subassembly 5 all are located between two adjacent LED box 1, two at least direction subassemblies 5 of installation between two adjacent LED box 1, and radian latch fitting 2 is located and is convenient for lead to two LED box 1 slip directions between two direction subassemblies 5. Radian latch fitting 2 is including the lock seat 21 and the base 22 of laying relatively, and lock seat 21 is installed on one of them LED box 1, and base 22 is installed at two another LED box 1, installs lock post 23 on the base 22, is provided with on the lock seat 21 along being close to or keeping away from the gliding arc slider 24 of direction of lock post 23, is provided with the guiding hole 25 that supplies lock post 23 to slide to pass on the arc slider 24, offers on the lock seat 21 to supply lock post 23 sliding insertion's locking hole 26. Radian regulating part 3 is installed on lock seat 21 and is connected with arc slider 24, and radian regulating part 3 is used for adjusting the slip radian of arc slider 24, and locking Assembly 4 installs on lock seat 21 and is connected the locking with lock post 23.

In addition, as shown in fig. 3 and 4, the arc-shaped sliding block 24 rotates around the splicing line at the splicing position of two adjacent LED boxes 1, an arc-shaped sliding slot 27 for the arc-shaped sliding block 24 to slide is formed in the end surface of the lock base 21 facing the lock column 23, a positioning column 28 is arranged on the end surface of the arc-shaped sliding block 24 facing the lock column 23, and a positioning hole for the positioning column 28 to coaxially insert is formed in the base 22.

When two adjacent LED box 1 splice, guide assembly 5 makes two LED box 1 be in the alignment state, rotates two LED box 1 to suitable angle around the concatenation line of concatenation department afterwards, adjusts arc slider 24's slip angle through radian regulating part 3 until arc slider 24 and base 22 butt, and reference column 28 inserts the locating hole, and lock post 23 passes guiding hole 25 and inserts the jack to reduce the probability that arc slider 24 position rocked. And then the locking column 23 and the locking seat 21 are locked by the locking assembly 4, so that the two LED box bodies 1 are spliced. The two adjacent LED box bodies 1 are always in an aligned state when the angle is adjusted, and only horizontally rotate around the splicing line, so that the splicing difficulty of the LED display screen is integrally reduced, the splicing step of the curved surface LED display screen is simplified, and the splicing efficiency of the curved surface LED display screen is improved.

Referring to fig. 1, the LED box 1 includes an LED screen 11, a module 12, and a splice frame 13. The LED screen 11 and the splicing frame 13 are respectively positioned at two sides of the module 12 which are oppositely arranged. The lock bracket 21 and the base 22 are both mounted on the splice frame 13. The side walls of the LED screen 11 and the module 12 are inclined planes which are inclined towards the center gradually along the direction close to the splicing frame 13, so that the LED screen 11 is subjected to curved surface splicing at a rotating angle, and the probability of mutual collision of the LED screen 11 between the two adjacent LED box bodies 1 due to the curved surface splicing is reduced.

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

Wherein, direction picture peg 51 and direction slide 52 are horizontal installation respectively on the concatenation frame 13 of two adjacent LED box 1, direction picture peg 51 is just being provided with forked tail slider 53 to one side of direction slide 52, direction picture peg 51 one side is seted up and is supplied the vertical male forked tail spout 54 of forked tail slider 53 and the opposite side to rotate around the concatenation line of two adjacent LED box 1 concatenation departments and insert concatenation frame 13, concatenation frame 13 has been seted up and is supplied direction picture peg 51 male arc guide slot 55, be provided with the anticreep board 56 that avoids concatenation frame 13 to break away from arc guide slot 55 on the concatenation frame 13.

In addition, a horizontally arranged aligning baffle 57 is arranged on the side wall of the guide inserting plate 51 facing the guide sliding plate 52, and one end of the aligning baffle 57 is in sliding contact with one end of the guide sliding plate 52.

When two adjacent LED box bodies 1 are spliced, the dovetail slide block 53 on the guide inserting plate 51 on one LED box body 1 is vertically and slidably inserted into the dovetail slide groove 54 on the guide sliding plate 52 on the other LED box body 1 until being abutted against the alignment baffle plate 57 so as to limit the vertical position of the two adjacent LED box bodies 1. When two adjacent LED box bodies 1 are in the adjustment of the splicing angle, the guide sliding plate 52 slides in the arc-shaped guide groove 55, so that the rotating direction of the two adjacent LED box bodies 1 in the adjustment of the splicing angle is guided, and the probability of horizontal deviation of the two adjacent LED box bodies 1 in the adjustment of the splicing angle is reduced.

Referring to fig. 3 and 4, the arc adjustment member 3 includes a limit slide 31, a withdrawal prevention member 32, and a withdrawal possible member 33.

The upper end face of the arc-shaped sliding block 24 is provided with a limiting sliding groove 34 arranged along the sliding direction of the arc-shaped sliding block, one end of the limiting sliding rod 31 is vertically inserted into the limiting sliding groove 34 in a sliding mode, and the other end of the limiting sliding rod passes through the lock seat 21 in a sliding mode. The anti-back piece 32 is installed between the arc slider 24 and the limit slide bar 31 so as to block the arc slider 24 from sliding in a direction away from the lock cylinder 23. The retractable member 33 is mounted between the stop slide bar 31 and the lock bracket 21 so as to enable the arcuate slider 24 to slide in a direction away from the lock cylinder 23.

In addition, the anti-retreat member 32 includes a rack 321, a latch 322, an anti-retreat spring 323, and an anti-retreat barrier 324. The rack 321 is installed at the notch of the arc-shaped sliding groove 27 on the arc-shaped sliding block 24 and along the arrangement direction of the arc-shaped sliding groove 27, the latch 322 is rotatably installed on the limiting sliding rod 31 and is meshed with the rack 321, the anti-withdrawing spring 323 is located at one side of the latch 322 close to the lock column 23 and is connected with the latch 322 and the limiting sliding rod 31, the anti-withdrawing baffle 324 is installed on the limiting sliding rod 31 and is located at one side of the latch 322 departing from the lock column 23, and the anti-withdrawing baffle 324 is abutted to the latch 322.

Further, the retractable member 33 includes a retractable post 331 and a return spring 332. The slide-retreating column 331 is located in the arc-shaped slide groove 27 and vertically installed on the lock base 21, the limit slide rod 31 is coaxially and slidably sleeved on the slide-retreating column 331, the return spring 332 is coaxially sleeved on the slide-retreating column 331, and two ends of the return spring are respectively connected with the lock base 21 and the limit slide rod 31.

When the arc-shaped sliding block 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 is disengaged from the rack 321, and the rack 321 moves along with the arc-shaped sliding block 24. When the arc-shaped sliding block 24 slides in the direction away from the lock cylinder 23, the anti-backing baffle 324 abuts against the latch 322 to block the latch 322 from sliding in the direction away from the lock cylinder 23, so that the latch 322 is meshed with the rack 321, and the arc-shaped sliding strip is blocked from moving in the direction away from the lock cylinder 23. When the arc-shaped sliding strip needs to move along the direction far away from the lock cylinder 23, the limiting sliding rod 31 moves along the direction far away from the backward sliding column 331, the return spring 332 extends until the latch 322 is far away from the rack 321, and the arc-shaped sliding strip can slide along the direction far away from the lock cylinder 23.

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

The locking device comprises a locking column 23, a plurality of clamping rings 41, a locking chute 29, a clamping seat 42 and a clamping strip, wherein the clamping rings 41 are coaxially sleeved on the locking column 23 at intervals, the locking chute 29 is formed in the locking seat 21 and used for enabling the clamping seat 42 to slide along the radial direction of a locking hole 26, the locking chute 29 is communicated with the locking hole 26, the clamping seat 42 is provided with the clamping strip clamped with the clamping rings 41, and the control piece is connected with the clamping seat 42 and used for driving the clamping strip to slide into or out of the locking hole 26.

In addition, the control member includes a control screw 43 and a control knob. One end of the control screw 43 is located in the locking sliding groove 29 and is rotatably connected with the clamping seat 42 along the radial direction of the locking hole 26, and the other end of the control screw 43 penetrates through the locking seat 21 and is fixedly connected with the control handle.

After the lock column 23 is slidably inserted into the locking hole 26, the control screw 43 is rotated in the forward direction, so that the edge of the control screw 43 is rotated to move along the direction close to the locking hole 26 to push the clamping seat 42 to slide into the locking hole 26, the clamping ring 41 is clamped with the clamping strip, and the effect of locking the lock column 23 is achieved.

The implementation principle of the LED curved surface spliced display screen in the embodiment of the application is as follows: when two adjacent LED box 1 splice, at first connect the direction subassembly 5 between two LED box 1, adjust the angle between two LED box 1 until the designing requirement, secondly through radian regulating part 3 adjustment arc slider 24's slip angle until arc slider 24 and base 22 butt, lock post 23 passes guiding hole 25 and inserts the jack, then radian regulating part 3 prescribes a limit to arc slider 24's slip angle, lock post 23 and lock seat 21 through locking subassembly 4 locking at last, finally 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.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a LED curved surface tiled display screen which characterized in that: the LED lamp box comprises at least two LED box bodies (1) which are spliced with each other, wherein a radian locking piece (2), a radian adjusting piece (3), a locking component (4) and a guide component (5) are connected between every two adjacent LED box bodies (1);

the radian locking piece (2) comprises a locking seat (21) and a base (22) which are arranged oppositely, the locking seat (21) and the base (22) are respectively installed on two adjacent LED box bodies (1), a locking column (23) is installed on the base (22), an arc-shaped sliding block (24) which slides along the direction close to or far away from the locking column (23) is arranged on the locking seat (21), a guide hole (25) for the locking column (23) to slide through is formed in the arc-shaped sliding block (24), and a locking hole (26) for the locking column (23) to slide and insert is formed in the locking seat (21);

radian regulating part (3) are installed on lock seat (21) and are connected with arc slider (24), radian regulating part (3) are used for adjusting the slip radian of arc slider (24), locking Assembly (4) are installed on lock seat (21) and are connected the locking with lock post (23), guide Assembly (5) are connected two adjacent LED box (1) so that adjust the concatenation position to two LED box (1) along the slip direction of arc slider (24).

2. The LED curved-surface spliced display screen as claimed in claim 1, wherein: LED box (1) includes LED screen (11), module (12) and concatenation frame (13), LED screen (11) and concatenation frame (13) are located the both sides that module (12) were laid relatively respectively, lock seat (21) and base (22) are all installed on concatenation frame (13), the lateral wall of LED screen (11) and module (12) is along the inclined plane of the direction of being close to concatenation frame (13) slope gradually to the center.

3. The LED curved-surface spliced display screen as claimed in claim 1, wherein: arc slider (24) rotate around the concatenation line of two adjacent LED box (1) concatenation departments, lock seat (21) just offer confession arc slider (24) gliding arc spout (27) to the terminal surface of lock post (23), arc slider (24) just are provided with reference column (28) to the terminal surface of lock post (23), set up on base (22) and supply reference column (28) coaxial male locating hole.

4. The LED curved-surface spliced display screen of claim 3, characterized in that: the radian adjusting piece (3) comprises a limiting sliding rod (31), an anti-return piece (32) and a return piece (33);

the limiting sliding groove (34) laid along the sliding direction of the limiting sliding rod is formed in the upper end face of the arc sliding block (24), the limiting sliding groove (34) is inserted into one end of the limiting sliding rod (31) in a vertical sliding mode, the other end of the limiting sliding rod (31) vertically slides to penetrate through the lock seat (21), the anti-retreating piece (32) is installed between the arc sliding block (24) and the limiting sliding rod (31) and used for blocking the arc sliding block (24) to slide along the direction far away from the lock column (23), and the retreating piece (33) is installed between the limiting sliding rod (31) and the lock seat (21) and is convenient to enable the arc sliding block (24) to slide along the direction far away from the lock column (23).

5. The LED curved-surface spliced display screen as claimed in claim 4, wherein: the anti-withdrawing piece (32) comprises a rack (321), a clamping tooth (322), an anti-withdrawing spring (323) and an anti-withdrawing baffle (324);

rack (321) are installed at the notch of arc spout (27) on arc slider (24) and along the direction of laying of arc spout (27), latch (322) rotate to be installed on spacing slide bar (31) and mesh with rack (321), prevent moving back spring (323) and be located latch (322) and be close to lock post (23) one side and connect latch (322) and spacing slide bar (31), prevent moving back baffle (324) and install on spacing slide bar (31) and be located latch (322) and deviate from lock post (23) one side, prevent moving back baffle (324) and latch (322) looks butt.

6. The LED curved-surface spliced display screen of claim 5, characterized in that: can move back piece (33) including can moving back traveller (331) and reset spring (332), can move back traveller (331) and be located arc spout (27) and vertically install on lock seat (21), spacing slide bar (31) coaxial sliding sleeve is located can moving back traveller (331), reset spring (332) coaxial sleeve is established can moving back traveller (331) and both ends are connected lock seat (21) and spacing slide bar (31) respectively.

7. The LED curved-surface spliced display screen as claimed in claim 1, wherein: the locking assembly (4) comprises a plurality of clamping rings (41), a clamping seat (42) and a control piece; the coaxial spacer sleeve of a plurality of snap rings (41) is established on lock post (23), seted up in lock seat (21) and supply cassette (42) along radial gliding locking spout (29) of locking hole (26), locking spout (29) intercommunication locking hole (26), be provided with the card strip of clamp (41) looks joint on cassette (42), the control is connected with cassette (42) and is used for driving the card strip and slides in or roll-off locking hole (26).

8. The LED curved-surface spliced display screen as claimed in claim 7, wherein: the control piece comprises a control screw rod (43) and a control handle, one end of the control screw rod (43) is located on the locking sliding groove (29) and is rotationally connected with the clamping seat (42) along the radial direction of the locking hole (26), and the other end of the control screw rod (43) penetrates through the locking seat (21) in a threaded mode and is fixedly connected with the control handle.

9. The LED curved-surface spliced display screen as claimed in claim 2, wherein: the guide assembly (5) comprises a guide inserting plate (51) and a guide sliding plate (52) which are oppositely arranged;

direction picture peg (51) and direction slide (52) difference horizontal installation are on the concatenation frame (13) of two adjacent LED boxes (1), direction picture peg (51) just is provided with forked tail slider (53) to one side of direction slide (52), direction picture peg (51) one side is seted up and is supplied vertical male forked tail spout (54) of forked tail slider (53) and opposite side to rotate around the concatenation line of two adjacent LED boxes (1) concatenation departments and insert concatenation frame (13), concatenation frame (13) are seted up and are supplied direction picture peg (51) male arc guide slot (55), be provided with anticreep board (56) of avoiding concatenation frame (13) to break away from arc guide slot (55) on concatenation frame (13).

10. The LED curved-surface spliced display screen of claim 9, wherein: the guide inserting plate (51) is provided with an aligning baffle (57) which is horizontally arranged on the side wall opposite to the guide sliding plate (52), and one end of the aligning baffle (57) is in sliding butt joint with one end of the guide sliding plate (52).