CN109147591A

CN109147591A - LED display

Info

Publication number: CN109147591A
Application number: CN201811408211.3A
Authority: CN
Inventors: 张现峰; 张永军; 李国强; 郭永峰
Original assignee: Shenzhen Xiang Xiang Polytron Technologies Inc
Current assignee: Shenzhen Xiang Xiang Polytron Technologies Inc; Shenzhen Gloshine Technology Co Ltd
Priority date: 2018-11-23
Filing date: 2018-11-23
Publication date: 2019-01-04

Abstract

The present invention provides a kind of LED displays, curved surface regulating device including LED display unit, the cabinet frame set on two outer end of LED display unit, the power control box that is fixedly connected on LED display unit and the curve form for adjusting LED display unit, LED display unit include the positive stop spring plate of precursor, rear body, flexible flexible lamp plate and the extreme flexion degree for limiting lamp plate；Precursor is covered on the side equipped with LED light of lamp plate, and rear body includes multiple rear body units, and each rear body unit is fixedly connected on the side away from LED light of lamp plate, and adjacent rear body unit interval setting；Positive stop spring plate is between lamp plate and rear body；One end of curved surface regulating device is fixedly connected on cabinet frame, and the other end is fixedly connected on power control box.LED display provided by the invention it is in curved surface can be adjusted LED display unit by curved surface regulating device, also can arbitrarily be adjusted curve form using flexible flexible lamp plate.

Description

LED display

Technical field

The invention belongs to LED display technical fields, are to be related to a kind of LED display more specifically.

Background technique

With the development of science and technology, LED display has low brightness height, operating voltage, small power consumption, enlargement, service life long, resistance to Impact and steady performance, are widely used in the production and living of people.The development prospect of LED display is extremely wide It is wealthy, just towards more high brightness, more high weather resistance, higher luminous density, higher uniformity of luminance, reliability, panchromaticization Direction is developed.LED display is widely used in stadiums, business application, bank, security, postal service, harbour, market, vehicle Stand, postal service, telecommunication, organ, monitoring, school, dining room, hotel, amusement, etc. different outdoor locations advertising.

Another developing direction of LED display is that large-size screen monitors are shown, such as outdoor advertising or large scene are shown at present, some use LED shows floor tile or large-size screen monitors interface.Large-screen display is usually spliced by muti-piece display device by lamp box, and large-scale screen is formed Curtain or extra large screen.For the LED large-screen display occurred at present, whole screen is spelled by several LED boxes Made of connecing, needs to assist some tractions and hanging device that can complete to splice during splicing, in addition complete Construction personnel also needs to stand in the complicated wiring of screen rear progress, connects electricity and connection work, whole mistake after splicing Not only step is complicated while being also easy to that mistake occurs for journey.

Present splicing LED large-screen display usually pays attention to seamless spliced and splicing installation convenience and stability, That is, existing splicing LED large-screen display is substantially plane formula, rarely curved surface large-size screen monitors.Existing some minorities Curved surface large-size screen monitors be also all splicing angle by the way that the LED light box of multiple planes is arranged, to form curved surface effect, this curved surface effect Fruit is not curved surface truly, and LED light box still uses traditional body structure form, and there is no fundamentally accomplish song Faceization design.

Summary of the invention

The purpose of the present invention is to provide a kind of LED displays, to solve single led display screen existing in the prior art Cabinet cannot accomplish the technical issues of curving design.

To achieve the above object, the technical solution adopted by the present invention is that: provide a kind of LED display, including LED display is single Member, set on two outer end of LED display unit cabinet frame and be fixedly connected on the LED display unit power supply control Box, it is characterised in that: the LED display unit includes the pole of precursor, rear body, flexible flexible lamp plate and the limitation lamp plate Limit the positive stop spring plate of curvature；The precursor is covered on the side equipped with LED light of the lamp plate, after the rear body includes multiple Body unit, each rear body unit are fixedly connected on the side away from the LED light of the lamp plate, and the adjacent rear body list The setting of member interval；The positive stop spring plate is located between the lamp plate and the rear body；

The LED display further includes the curved surface regulating device for adjusting the curve form of LED display unit, the song One end of face regulating device is fixedly connected on the cabinet frame, and the other end is fixedly connected on the power control box.

Further, the lamp plate is equipped with positioning column away from the side of the LED light, sets accordingly on the rear body unit There is location hole；Attachment screw passes through the location hole and is fixedly connected with the lamp plate with the cooperation of the first threaded hole of the positioning column With the rear body.

Further, the positioning column is cylinder, and is front end close to one end of the lamp plate, and the other end is rear end；Institute The diameter for stating front end is greater than the diameter of the rear end；

The positive stop spring plate is equipped with multiple first through hole corresponding with the rear end, and the positive stop spring plate passes through described the One through-hole is sheathed on the rear end；When the LED display unit is bent, the positioning column is slided along the first through hole.

Further, multiple rear body units are divided into rear body unit B, the rear body list for connecting with the cabinet frame First A and rear body unit C for being fixedly connected with the power control box, it is described after body unit C be located at it is described after body centre, Body unit B is located between the rear body unit A and the rear body unit C after described；

Body unit C is equipped with third through-hole after described, is equipped with accordingly on the lamp plate for connecting the power supply control The connector of box, the connector are inserted in the third through-hole.

Further, the curved surface regulating device includes angle rotary components and locking assembly, the angle rotation group Part includes middle plate and shell, and the shell includes the first mounting portion and holding part, and it is sliding that arc is formed with inside the holding part Slot, the middle plate include the second mounting portion and arc sliding portion, and second installation position is described in outside the arc chute Arc sliding portion is located in the arc chute, and first mounting portion and second installation position are in the arc chute Two sides；First mounting portion is fixedly connected on the cabinet frame, and second mounting portion is fixedly connected on the power supply It controls on box；

The locking assembly includes retaining mechanism, and the retaining mechanism has locking state and unlocked state, the locking The arc sliding portion is locked in the arc chute when mechanism is in locking state, the retaining mechanism is in unlock shape When state, the arc sliding portion can arc chute sliding relatively, to adjust first mounting portion and second installation Corner dimension between portion.

Further, the holding part includes cover board and bottom plate, and the arc chute is arranged on the bottom plate, the lid Plate is fixedly connected on the bottom plate and covers and is located on the arc chute.

Further, the retaining mechanism includes screw element, mandril, axle sleeve and locking member, and the axle sleeve is fixedly connected On the bottom plate, the axle sleeve is equipped with the axially extending fourth hole along the axle sleeve, and the bottom plate is equipped with and institute State fourth hole axially through locking hole, the locking member is located in the locking hole；

The mandril is slidably connected in the fourth hole, and one end of the mandril is equipped with the second threaded hole, the spiral shell The threaded one end of line part is connected in second threaded hole, and the other end of the mandril offsets with the locking member, rotates institute Stating screw element can be such that the mandril slides along the fourth hole, so that the locking member locks the arc sliding portion Tightly.

Further, the screw element includes threaded portion, fixed part and between the threaded portion and fixed part Limited location snap ring, the threaded portion are connected in second threaded hole；

The limited location snap ring periphery is formed with the rotation slot of annular, and the retaining mechanism further includes card-bit part, the detent Part passes through the axle sleeve and is caught in the rotation slot；

The locking assembly further includes swingle, and one end of the swingle is fixedly connected with the fixed part, passes through rotation Turning the swingle can be such that the screw element rotates.

Further, the locking assembly further includes rotation stop ring, and the rotation stop ring set is located on the axle sleeve, the rotation stop The inner sidewall of ring is equipped with rotation stop groove, and one end of the rotation stop ring is equipped with rotation stop hole；

The axle sleeve is equipped with the first anti-rotation block, and first anti-rotation block is slidably connected in the rotation stop groove, the rotation The position that one end of bull stick corresponds to the rotation stop hole is equipped with the second anti-rotation block；

The rotation stop be equipped with locked rotor position and it is indexable set, in the locked rotor position of the rotation stop ring, second rotation stop Block is located in the rotation stop hole；It is set in the indexable of rotation stop ring, second anti-rotation block is far from the rotation stop hole.

Further, the curved surface regulating device includes two angle rotary components, and the locking assembly includes two A retaining mechanism, two angle rotary components are symmetrically disposed in the both ends of the swingle, two lockings Mechanism is symmetrically connected to the both ends of the swingle and is located between the angle rotary components and swingle, rotates institute Two retaining mechanisms synchronism switching between locking state and unlocked state can be made by stating swingle.

The beneficial effect of LED display provided by the invention is: compared with prior art, LED display of the present invention is adopted With flexible flexible lamp plate, it is in curved surface that LED display unit can be adjusted by curved surface regulating device, also can arbitrarily adjust curved surface The curve form of shape, multiple LED display compositions is more bonded, or even can be assembled into abnormal curved surface；And positive stop spring plate is to LED The extreme flexion degree of display unit is limited, and is avoided the overbending of LED display unit 1 from damaging, is increased LED display unit Service life；There are gap between body unit after simultaneously, is conducive to discharge bending stress, rear body is avoided to break during bending It splits.

Detailed description of the invention

It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these Attached drawing obtains other attached drawings.

Fig. 1 is the structural schematic diagram of LED display provided in an embodiment of the present invention；

Fig. 2 is the configuration schematic diagram of Fig. 1；

Fig. 3 is the structural schematic diagram of LED display unit in Fig. 1；

Fig. 4 is the configuration schematic diagram of Fig. 3；

Fig. 5 is the cross-sectional view of the A-A of rear body unit A and rear body unit B in Fig. 3；

Fig. 6 is the cross-sectional view of the A-A of rear body unit B and rear body unit C in Fig. 3；

Fig. 7 is the configuration schematic diagram of Fig. 1 mean camber regulating device；

Fig. 8 is the configuration schematic diagram of locking member, rotation stop ring, card-bit part, axle sleeve and spring in Fig. 7；

Fig. 9 is the configuration schematic diagram of screw element in Fig. 7；

Figure 10 is the sectional view when retaining mechanism of Fig. 1 mean camber regulating device is in the unlocked state；

Figure 11 is the schematic enlarged-scale view in Figure 10 at B；

Figure 12 is in sectional view when locking state for the retaining mechanism of Fig. 1 mean camber regulating device；

Figure 13 is schematic enlarged-scale view at the C in Figure 12；

Figure 14 is the main view of Fig. 1 mean camber regulating device；

Figure 15 is the sectional view in Figure 14 at D-D；

Figure 16 is the middle plate structural schematic diagram in Figure 15；

Figure 17 be Fig. 1 described in LED display unit curve inwardly camber when usage state diagram；

Figure 18 is usage state diagram when LED display unit described in Fig. 1 is bent outwardly camber.

Wherein, each appended drawing reference in figure:

1, LED display unit；

11, precursor；

12, lamp plate；

121, positioning column；1211, the first threaded hole；1212, front end；1213, rear end；

122, connector；

13, rear body；

131, rear body unit；

131a, rear body unit A；131b, rear body unit B；131c, rear body unit C；

1311, location hole；1312, third through-hole；

132, limited block；

14, positive stop spring plate；141, first through hole；142, the second through-hole；

15, attachment screw；

2, curved surface regulating device；

21, angle rotary components；

211, middle plate；

2111, the second mounting portion；2112, arc sliding portion；2113, lock groove；2114, angle identifies；2115, hoodle Slot；2116, it is oriented to arc hole；

212, shell；2121, the first mounting portion；2122, cover board；

2123, bottom plate；21231, arc chute；21232, locking hole；21233, identification hole；

21234, guide post；21235, hoodle screw piece；

22, retaining mechanism；

221, screw element；2211, threaded portion；2212, fixed part；

2213, limited location snap ring；22131, rotation slot；

222, mandril；2221, the second threaded hole；

223, axle sleeve；2231, fourth hole；2232, the first anti-rotation block；

224, locking member；2241, latch；2242, lock shaft；2243, fastening screw；

225, spring；226, card-bit part；

23, swingle；231, the second anti-rotation block；232, blocked hole；

24, rotation stop ring；241, rotation stop groove；

3, cabinet frame；

4, power control box.

Specific embodiment

In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only To explain the present invention, it is not intended to limit the present invention.

It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or indirectly on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more, Unless otherwise specifically defined.

Also referring to Fig. 1 to Fig. 4, now LED display provided by the invention is illustrated.LED display, including LED display unit 1, the cabinet frame 3 set on 1 liang of outer end of LED display unit and the electricity that is fixedly connected on LED display unit 1 Source controls box 4, and LED display unit 1 includes precursor 11, rear body 13, flexible flexible lamp plate 12 and the limit for limiting lamp plate 12 The positive stop spring plate 14 of curvature；Precursor 11 is covered on the side equipped with LED light of lamp plate 12, and rear body 13 includes multiple rear body units 131, each rear body unit 131 is fixedly connected on the side away from LED light of lamp plate 12, and the adjacent rear interval of body unit 131 setting； Positive stop spring plate 14 is between lamp plate 12 and rear body 13；

LED display further includes the curved surface regulating device 2 for adjusting the curve form of LED display unit 1, and curved surface is adjusted One end of device 2 is fixedly connected on cabinet frame 3, and the other end is fixedly connected on power control box 4.

LED display provided by the invention using flexible flexible lamp plate, passes through curved surface tune compared with prior art It is in curved surface that regulating device 2 can adjust LED display unit 1, also can arbitrarily adjust curve form, the song of multiple LED displays compositions Face shape is more bonded, or even can be assembled into abnormal curved surface；And positive stop spring plate 14 to the extreme flexion degree of LED display unit 1 into Row limitation, avoids the overbending of LED display unit 1 from damaging, and increases the service life of LED display unit 1；Body unit after simultaneously There are gap between 131, is conducive to discharge bending stress, rear body 13 is avoided to be broken during bending.

Specifically, lamp plate 12 includes pcb board, LED light and electronic component, and LED light is located at the side of pcb board, electronic component It is welded in the side away from LED light of pcb board.

Specifically, precursor 11 is netted mask, can protect LED light, extends the service life of lamp plate 12.

Specifically, positive stop spring plate 14 is set as strip elastic slice；Material is saved, the limit that can increase LED display unit 1 is curved Curvature can adjust more curve forms.

Specifically, each rear body unit 131 is distributed at equal intervals on positive stop spring plate 14；So that uniform force everywhere, increases The service life of LED display unit 1.

Further, as a kind of specific embodiment of LED display provided by the invention, lamp plate 12 deviates from LED light Side be equipped with positioning column 121, location hole 1311, fastener, location hole 1311 and positioning are equipped on rear body Unit 13 accordingly The cooperation of column 121 is fixedly connected with lamp plate 12 and rear body 13；It connects stronger reliable, is not likely to produce and falls, it is easy to disassemble with maintenance.

Specifically, referring to Figure 4 together to Fig. 6, the center of positioning column 121 is equipped with the first threaded hole 1211, and fastener is Attachment screw 15, attachment screw 15 pass through location hole 1311 and are fixedly connected with lamp plate 12 and rear body with the cooperation of the first threaded hole 1211 13；Connection structure is simple, easy to process and maintenance；

Preferably, location hole 1311 is stepped hole, and the thread segment of attachment screw 15 and the small end of stepped hole cooperate, and connects spiral shell The head of nail 15 is located in stepped hole；Body 13 after avoiding attachment screw 15 from protruding, is prone to wear out, causes to pitch；It can rise simultaneously To waterproof action.

Specifically, the outer surface of positioning column 121 is equipped with external screw thread, and fastener is nut, and positioning column 121 passes through location hole 1311 and with nut cooperation be fixedly connected with lamp plate 12 and rear body 13；Connection structure is simple, easy to process and maintenance；

Preferably, location hole 1311 is stepped hole, and the thread segment of positioning column 121 and the small end of stepped hole cooperate, nut position In in stepped hole；Body 13 after avoiding nut from protruding, is prone to wear out, causes to pitch；Waterproof action can be played simultaneously.

Further, fig. 4 to fig. 6 is please referred to, as a kind of specific embodiment of LED display provided by the invention, Positioning column 121 is cylinder, and is front end 1212 close to one end of lamp plate 12, and the other end is rear end 1213, the diameter of front end 1212 Greater than the diameter of rear end 1213；

Positive stop spring plate 14 is equipped with multiple first through hole 141 corresponding with rear end 1213, and positive stop spring plate 14 is logical by first Hole 141 is sheathed on rear end 1213；It is more firm that positive stop spring plate 14 is fixed.

Specifically, the length of first through hole 141 is greater than the left and right length of rear end 1213；It is fixed when LED display unit 1 is bent Position column 121 is slided along first through hole 141；When positioning column 121 is moved to the left end or right end of first through hole 141, positioning Column 121 cannot continue to be moved to the left or right, and the curvature of LED display unit 1 is extreme flexion degree at this time, and LED is avoided to show 1 overbending of unit.

Specifically, multiple positioning columns 121 are distributed as 5 rows, and positive stop spring plate 14 is equipped with two, and two positive stop spring plates 14 cover respectively On second row and the 4th row's positioning column 121；The extreme flexion degree of LED display unit 1 can preferably be limited.

Further, a kind of specific embodiment party referring to Figure 4 together to Fig. 6, as LED display provided by the invention Formula, positive stop spring plate 14 are equipped with the second through-hole 142, and the limited block 132 of rear body 13 is inserted in the second through-hole 142；It is aobvious to be bent LED When showing unit 1, limited block 132 is slided along the second through-hole 142, and when the second through-hole 142 of abutting of limited block 132 is along positioning column When end in 121 glide directions, positioning column 121 abut first through hole 141 end in 121 glide direction of positioning column or Positioning column 121 does not abut the end in 121 glide direction of positioning column of first through hole 141；1 limit of LED display unit is curved The impact force that positioning column 121 is subject to when bent is transferred on limited block 132, and the generation of positioning column 121 is avoided to fall off.

Specifically, the center line of first through hole 141 and the second through-hole 142 in the longitudinal direction is located at same straight line, and Two through-holes 142 are arranged close to first through hole 141；Easy to process and maintenance.

Further, one kind also referring to Fig. 3, Fig. 4, Figure 17 and Figure 18, as LED display provided by the invention Specific embodiment, multiple rear body units 131 divide for rear body unit B131b, the rear body unit for connecting with cabinet frame 3 A131a and rear body unit C131c for being fixedly connected with power control box 4, rear body unit C131c are located in rear body 13 Between, rear body unit B131b is between rear body unit A131a and rear body unit C131c；

Body unit C131c is equipped with third through-hole 1312 afterwards, is equipped with accordingly for connecting power control box 4 on lamp plate 12 Connector 122, connector 122 is inserted in third through-hole 1312；Entire rear body 13 is avoided closely to connect with cabinet frame 3 It connects, reduces the bending resistance of LED display.

Specifically, rear body unit 131 with it is another after the side that connect of body unit 131 be set as inclined-plane, inclined-plane is from rear body list Body unit 131 is tilted away from one end of lamp plate 12 backward for one end of the close lamp plate 12 of member 131；After increase between body unit 131 Gap is conducive to discharge bending stress, rear body 13 is avoided to be broken during bending.

Further, a kind of specific reality also referring to Fig. 1, Fig. 2 and Fig. 7, as LED display provided by the invention Mode is applied, curved surface regulating device 2 includes angle rotary components 21 and locking assembly, and angle rotary components 21 include middle plate 211 And shell 212, shell 212 include the first mounting portion 2121 and holding part, are formed with arc chute 21231 inside holding part, Middle plate 211 includes the second mounting portion 2111 and arc sliding portion 2112, and the second mounting portion 2111 is located at arc chute 21231 Outside, arc sliding portion 2112 is located in arc chute 21231, and the first mounting portion 2121 and the second mounting portion 2111 are located at arc and slide The two sides of slot 21231；First mounting portion 2121 is fixedly connected on cabinet frame 3, and the second mounting portion 2111 is fixedly connected on electricity Source controls on box 4；

Locking assembly includes retaining mechanism 22, and retaining mechanism 22 has locking state and a unlocked state, at retaining mechanism 22 Arc sliding portion 2112 is locked in arc chute 21231 when locking state, when retaining mechanism 22 is in the unlocked state, arc Shape sliding part 2112 can opposing arcuate sliding slot 21231 slide, to adjust between the first mounting portion 2121 and the second mounting portion 2111 Corner dimension.There is better curved surface smoothness and smaller curved surface by the LED display that curved surface regulating device 2 is adjusted Radius can bring superior curved-surface display effect, and the curved surface regulating device 2 is reliable with structure, stability is high and adjusts The features such as more convenient.

Further, referring to Figure 7 together and Fig. 8, a kind of specific embodiment party as LED display provided by the invention Formula, holding part include cover board 2122 and bottom plate 2123, and arc chute 21231 is arranged on bottom plate 2123, and cover board 2122 is fixed to be connected It connects on bottom plate 2123 and covers and be located on arc chute 21231；It is located at arc sliding portion 2112 in arc chute 21231, together When prevent arc sliding portion 2112 from falling off out of arc chute 21231.

Further, a kind of specific embodiment party referring to Figure 7 together to Fig. 9, as LED display provided by the invention Formula, retaining mechanism 22 include screw element 221, mandril 222, axle sleeve 223 and locking member 224, and axle sleeve 223 is fixedly connected on bottom plate On 2123, axle sleeve 223 is equipped with the axially extending fourth hole 2231 along axle sleeve 223, and bottom plate 2123 is equipped with and four-way Hole 2231 axially through locking hole 21232, locking member 224 is located in locking hole 21232；

Mandril 222 is slidably connected in fourth hole 2231, and one end of mandril 222 is equipped with the second threaded hole 2221, screw thread The threaded one end of part 221 is connected in the second threaded hole 2221, and the other end and the locking member 224 of mandril 222 offset, and rotates screw thread Part 221 can be such that mandril 222 slides along fourth hole 2231, so that locking member 224 locks arc sliding portion 2112；Make arc Shape sliding part 2112 is locked in arc chute 21231, and the angle between the first mounting portion 2121 and the second mounting portion 2111 is big It is small relatively fixed.

Specifically, the lateral wall of mandril 222 is equipped with anti-rotation card slot, and the inner sidewall of axle sleeve 223 is equipped with anti-rotation screw piece, prevents Turn the sliding of card slot and anti-rotation screw piece to be bonded, by the limitation of anti-rotation screw piece, so that mandril 222 is only capable of the along axle sleeve 223 The sliding of four through-holes 2231, is not able to rotate.

Further, a kind of specific implementation also referring to Fig. 8 to Figure 16, as LED display provided by the invention Mode, locking member 224 include latch 2241 and the lock shaft 2242 being fixed on latch 2241, set on lock shaft 2242 It is equipped with fastening screw 2243, multiple lock grooves 2113 that can be limited to fastening screw 2243 are provided on middle plate 211, rotate screw thread When part 221, mandril 222 is slided along fourth hole 2231, and fastening screw 2243 can be made to be locked in corresponding lock groove 2113, from And arc sliding portion 2112 is locked in arc chute 21231.

Further, a kind of specific embodiment party referring to Figure 7 together to Fig. 9, as LED display provided by the invention Formula, retaining mechanism 22 further include spring 225, and spring 225 is set on lock shaft 2242 and is supported on latch 2241 and bottom plate Between 2123；When retaining mechanism 22 is in locking state, spring 225 is compressed between latch 2241 and bottom plate 2123.Work as lock When tight mechanism 22 switches to unlocked state, the elastic force of spring 225 can provide reset force for locking member 224.

Further, referring to Figure 7 together and Fig. 9, a kind of specific embodiment party as LED display provided by the invention Formula, screw element 221 include threaded portion 2211, fixed part 2212 and the limit between threaded portion 2211 and fixed part 2212 Snap ring 2213, threaded portion 2211 are threaded in the second threaded hole 2221, to realize one end and the second screw thread of screw element 221 Threaded connection between hole 2221.

As shown in fig. 7,2213 periphery of limited location snap ring is formed with the rotation slot 22131 of annular, retaining mechanism 22 further includes card Position part 226, card-bit part 226 pass through axle sleeve 223 and are caught in rotation slot 22131, can only be rotatably connected on axis to limit screw element 221 In the fourth hole 2231 of set 223.

As shown in fig. 7, locking assembly further includes swingle 23, one end of swingle 23 is fixedly connected with fixed part 2212, Screw element 221 can be made to rotate in the fourth hole 2231 of axle sleeve 223 by rotating rotary rods 23.

Specifically, one end of swingle 23 settable one and the matched blocked hole 232 of 2212 shape of fixed part, and will fix Portion 2212 is connected in blocked hole 232, to realize being fixedly connected between one end of swingle 23 and fixed part 2212.Fixed part 2212 cross section is not round.

Further, a kind of specific embodiment party referring to Figure 7 together to Fig. 9, as LED display provided by the invention Formula, locking assembly further include rotation stop ring 24, and rotation stop ring 24 is set on axle sleeve 223, and the inner sidewall of rotation stop ring 24 is equipped with rotation stop One end of slot 241, rotation stop ring 24 is equipped with rotation stop hole；

Axle sleeve 223 is equipped with the first anti-rotation block 2232, and the first anti-rotation block 2232 is slidably connected in rotation stop groove 241, rotates The position that one end of bar 23 corresponds to rotation stop hole is equipped with the second anti-rotation block 231；

Rotation stop ring 24 be equipped with locked rotor position and it is indexable set, in the locked rotor position of rotation stop ring 24, the second anti-rotation block 231 is located at In rotation stop hole, to limit the relative rotation between screw element 221 and axle sleeve 223；Indexable in rotation stop ring 24 is set, the second rotation stop Block 231 is far from rotation stop hole, so that screw element 221 can be rotated relative to axle sleeve 223.

Further, also referring to Fig. 1, Fig. 2, Fig. 7, Figure 17 and Figure 18, as LED display provided by the invention A kind of specific embodiment, curved surface regulating device 2 include two angle rotary components 21, and locking assembly includes two retaining mechanisms 22, two angle rotary components 21 are symmetrically disposed in the both ends of swingle 23, and two retaining mechanisms 22 are symmetrically connected to rotation It the both ends of bull stick 23 and is located between angle rotary components 21 and swingle 23, rotation swingle 23 can make two locking machines The synchronism switching between locking state and unlocked state of structure 22.

It is located at the swingle 23 at 2 middle part of curved surface regulating device by controlling, so as to be located at two locks at 23 both ends of swingle Tight mechanism 22 switches to unlocked state from locking state simultaneously, or switches to locking state from unlocked state simultaneously, with real simultaneously Now to the locking or unlock in the arc sliding portion 2112 of two angle rotary components 21.

First mounting portion 2121 of two angle rotary components 21 is fixedly connected in parallel on cabinet frame 3, and will Second mounting portion 2111 of two angle rotary components 21 is fixedly connected in parallel on power control box 4, and curved surface is made to adjust dress It sets 2 can while the both ends of LED module be adjusted, keeps the curved surface of LED display more smooth.

Further, a kind of specific implementation also referring to Figure 14 to Figure 16, as LED display provided by the invention Mode, is arranged angled mark 2114 and ball race 2115 in the arc sliding portion 2112 of middle plate 211, corresponding on bottom plate 2123 The position of angle mark 2114 is equipped with identification hole 21233.The position that ball race 2115 is corresponded on bottom plate 2123 is equipped with hoodle screw Part 21235, it is preferred that 21235 position of hoodle screw piece be selected in several ball races 2115 centre that, as initial angle Degree, the position that scale is 0.

Angle mark 2114 easily and intuitively can be adjusted the angle and be limited.Preferably, adjacent the two of angle mark 2114 Angle between the angle of lattice and two neighboring lock groove 2113 is identical.In embodiment as shown in Figures 9 to 11, adjacent two Angle between a lock groove 2113 is 2.5 °.The angle of adjacent two lattice of angle mark 2114 is also 2.5 °.Specifically, angle Mark 2114 shares 13 gears: -15 °, -12.5 °, -10 °, -7.5 °, -5 °, -2.5 °, 0 °, 2.5 °, 5 °, 7.5 °, 10 °, 12.5°,15°.It should be understood that 2,243 one lock groove 2113 of every movement of fastening screw, is adjusted middle plate 211 and shell 212 Between angle be 2.5 °, i.e., it is 2.5 ° that the curved surface of LED display, which adjusts angle, 2114 can clearly be told by angle mark The angle that operator's LED display is adjusted.

In other embodiments, the angle between two neighboring lock groove 2113 can be customized according to user demand.

Ball race 2115 is located at the side that middle plate 211 is equipped with lock groove 2113, and hoodle screw piece 21235 is located at ball race In 2115.Hoodle screw piece 21235 selects squeezable elastic construction, to reinforce feel, reaches preliminary and adjusts angle, then pass through Retaining mechanism 22 is locked.

Further, as a kind of specific embodiment of LED display provided by the invention, middle plate 211 is equipped with and leads To arc hole 2116, bottom plate 2123 is equipped with guide post 21234, guiding arc hole 2116 it is identical as the radian of arc chute 21231 and The center of circle is overlapped, and guide post 21234 is located in guiding arc hole 2116.

Guide post 21234 and guiding arc hole 2116 cooperate, to be the arc sliding portion 2112 of middle plate 211 in bottom plate 2123 Arc chute 21231 in sliding provide guiding.

Further, one kind also referring to Fig. 1, Fig. 2, Figure 17 and Figure 18, as LED display provided by the invention Specific embodiment, LED display include two groups of curved surface regulating devices 2, cabinet frame 3 include left frame and left frame, one group First mounting portion 2121 of curved surface regulating device 2 is fixedly connected on left frame, and the second mounting portion 2111 is fixedly connected on power supply It controls on box 4；First mounting portion 2121 of another group of curved surface regulating device 2 is fixedly connected on left frame, the second mounting portion 2111 are fixedly connected on power control box 4；LED can be adjusted respectively by the curved surface regulating device 2 of 4 two sides of power control box The curved surface radian of the two sides of display unit 1, increase adjust radian stress point, reduce LED display unit 1 because adjust curved surface when by Power is excessive and generates a possibility that damaging.

Specifically, left frame and left frame are symmetrically fixedly connected on the two sides of power control box 4, and two curved surfaces adjust dress Set 2 two sides for being symmetrically disposed in power control box 4.

Preferably, two groups of curved surface regulating devices 2 are respectively equipped with 1 curved surface regulating device 2, and structure is simple, facilitate adjusting；? Multiple curved surface regulating devices 2 can be respectively equipped with.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims

1.LED display screen, including LED display unit, set on two outer end of LED display unit cabinet frame be fixedly connected Power control box on the LED display unit, it is characterised in that: the LED display unit includes precursor, rear body, bendable The positive stop spring plate of bent flexible lamp plate and the extreme flexion degree for limiting the lamp plate；The precursor is covered on being equipped with for the lamp plate The side of LED light, it is described after body include it is multiple after body unit, it is each it is described after body unit be fixedly connected on the lamp plate away from institute State the side of LED light, and the adjacent rear body unit interval setting；The positive stop spring plate be located at the lamp plate and it is described after body it Between；

The LED display further includes the curved surface regulating device for adjusting the curve form of LED display unit, the curved surface tune One end of regulating device is fixedly connected on the cabinet frame, and the other end is fixedly connected on the power control box.

2. LED display as described in claim 1, it is characterised in that: it is fixed that the lamp plate is equipped with away from the side of the LED light Position column is equipped with location hole on body unit after described accordingly；Attachment screw pass through the location hole and with the positioning column the The cooperation of one threaded hole is fixedly connected with the lamp plate and the rear body.

3. LED display as claimed in claim 2, it is characterised in that: the positioning column is cylinder, and close to the lamp plate One end is front end, and the other end is rear end；The diameter of the front end is greater than the diameter of the rear end；

The positive stop spring plate is equipped with multiple first through hole corresponding with the rear end, and the positive stop spring plate is logical by described first Hole is sheathed on the rear end；When the LED display unit is bent, the positioning column is slided along the first through hole.

4. LED display as described in claim 1, it is characterised in that: multiple rear body units are divided into rear body unit B, use It is described in the rear body unit A being connect with the cabinet frame and rear body unit C for being fixedly connected with the power control box Afterwards body unit C be located at it is described after body centre, it is described after body unit B be located at it is described after body unit A and it is described after body unit C it Between；

Body unit C is equipped with third through-hole after described, is equipped with accordingly for connecting the power control box on the lamp plate Connector, the connector are inserted in the third through-hole.

5. LED display as described in claim 1, it is characterised in that: the curved surface regulating device includes angle rotary components And locking assembly, the angle rotary components include middle plate and shell, the shell includes the first mounting portion and holding part, Arc chute is formed with inside the holding part, the middle plate includes the second mounting portion and arc sliding portion, second peace Dress portion is located at outside the arc chute, and the arc sliding portion is located in the arc chute, first mounting portion and described Second installation position is in the two sides of the arc chute；First mounting portion is fixedly connected on the cabinet frame, described Second mounting portion is fixedly connected on the power control box；

The locking assembly includes retaining mechanism, and the retaining mechanism has locking state and unlocked state, the retaining mechanism The arc sliding portion is locked in the arc chute when in locking state, the retaining mechanism is in the unlocked state When, the arc sliding portion can arc chute sliding relatively, to adjust first mounting portion and second mounting portion Between corner dimension.

6. LED display as claimed in claim 5, it is characterised in that: the holding part includes cover board and bottom plate, the arc Sliding slot is arranged on the bottom plate, and the cover board is fixedly connected on the bottom plate and covers and is located on the arc chute.

7. LED display as claimed in claim 6, it is characterised in that: the retaining mechanism includes screw element, mandril, axle sleeve And locking member, the axle sleeve are fixedly connected on the bottom plate, the axle sleeve is equipped with along the axially extending of the axle sleeve Fourth hole, the bottom plate be equipped with the fourth hole axially through locking hole, the locking member is located at the locking In hole；

The mandril is slidably connected in the fourth hole, and one end of the mandril is equipped with the second threaded hole, the screw element Threaded one end be connected in second threaded hole, the other end of the mandril offsets with the locking member, rotates the spiral shell Line part can be such that the mandril slides along the fourth hole, so that the locking member locks the arc sliding portion.

8. LED display as claimed in claim 7, it is characterised in that: the screw element includes threaded portion, fixed part and position Limited location snap ring between the threaded portion and fixed part, the threaded portion are connected in second threaded hole；

The limited location snap ring periphery is formed with the rotation slot of annular, and the retaining mechanism further includes card-bit part, and the card-bit part is worn The axle sleeve is crossed to be caught in the rotation slot；

The locking assembly further includes swingle, and one end of the swingle is fixedly connected with the fixed part, by rotating institute Stating swingle can be such that the screw element rotates.

9. LED display as claimed in claim 8, it is characterised in that: the locking assembly further includes rotation stop ring, the rotation stop Ring set is located on the axle sleeve, and the inner sidewall of the rotation stop ring is equipped with rotation stop groove, and one end of the rotation stop ring is equipped with rotation stop hole；

The axle sleeve is equipped with the first anti-rotation block, and first anti-rotation block is slidably connected in the rotation stop groove, the swingle One end correspond to the rotation stop hole position be equipped with the second anti-rotation block；

The rotation stop be equipped with locked rotor position and it is indexable set, in the locked rotor position of the rotation stop ring, second anti-rotation block position In in the rotation stop hole；It is set in the indexable of rotation stop ring, second anti-rotation block is far from the rotation stop hole.

10. LED display as claimed in claim 9, it is characterised in that: the curved surface regulating device includes two angles Rotary components, the locking assembly include two retaining mechanisms, and two angle rotary components are symmetrically disposed in institute The both ends of swingle are stated, two retaining mechanisms are symmetrically connected to the both ends of the swingle and are located at the angle Between rotary components and swingle, rotate the swingle can make two retaining mechanisms locking state and unlocked state it Between synchronism switching.