CN208655160U - A kind of cabinet, LED display module and LED display device - Google Patents

Abstract

The utility model belongs to technical field of LED display, specifically discloses a kind of cabinet, LED display module and LED display device.Wherein cabinet includes box-like body, latch components are provided on box-like body, latch components include: latch hook, it is arranged on the side side wall of box-like body, latch hook includes interconnecting piece interconnected and hook portion, and interconnecting piece and box-like body are rotatablely connected to drive hook portion to stretch out on the outside of box-like body or retract box house；Position pin bank, including at least one positioning pin, positioning pin is arranged in the side wall where latch hook or is arranged on the box-like body side wall opposite with latch hook, and positioning pin is vertical with the side wall where it to be connect.Cabinet disclosed by the utility model can be realized the sealed and unlock between multiple cabinets, and reduce the thickness of cabinet, be conducive to the lightening design of LED display module and LED display device.

Description

A kind of cabinet, LED display module and LED display device

Technical field

The utility model relates to technical field of LED display more particularly to a kind of cabinet, LED display module and LED to show and set It is standby.

Background technique

Light emitting diode (Light Emitting Diode, LED) shows that equipment is a kind of by control semiconductor light emitting The display mode of diode is high with screen intensity, clear to show the display screen of the various information such as text, image, animation Clear degree is high, display function is flexible and changeable and screen bulk area can any combination the characteristics of.

LED display device in the prior art usually has multiple LED display modules to be spliced to form, and LED display module includes Cabinet and the display screen being arranged on cabinet, two adjacent LEDs display module pass through the latch components connection being arranged on cabinet, The display screen of multiple LED display modules is set to be spliced to form the LED display screen of required size.Lock used in conventional tank structure Volume is larger, and it also requires very big operating space, affects the integral thickness of display screen in this way, needs very thick installation empty Between.And traditional lock and fixed form precision be not high, the inconvenient accuracy requirement for being difficult to meet the small spacing of LED.

Utility model content

One of the utility model is designed to provide a kind of cabinet, facilitates the sealed splicing between multiple cabinets, and subtract The installation of small box internal lock buckle assembly and operating space, reduce the thickness of cabinet.

The another object of the utility model is to provide a kind of LED display module, facilitates the group between LED display module Dress, is conducive to the lightening design of LED display module.

The further object of the utility model is to provide a kind of LED display device, and the assembling for improving LED display device is convenient Property and assembly precision, and be conducive to the lightening design of LED display device.

To achieve the above object, the utility model adopts the following technical solutions:

A kind of cabinet, including box-like body are provided with latch components on the box-like body, and the latch components include:

Latch hook is arranged on the side side wall of the box-like body, and the latch hook includes interconnecting piece interconnected And hook portion, the interconnecting piece and the box-like body are rotatablely connected to drive the hook portion to stretch out on the outside of the box-like body or contract Return the box house；

Position pin bank, including at least one positioning pin, side wall or setting where the latch hook is arranged in the positioning pin On the box-like body side wall opposite with the latch hook, the positioning pin is vertical with the side wall where it to be connect.

As a kind of preferred embodiment of cabinet, the interconnecting piece is rotatablely connected by rotation axis and box-like body, the company Socket part is fixedly connected with the rotation axis, and the rotation axis and the box-like body are rotatablely connected.

As a kind of preferred embodiment of cabinet, the connecting hole worn and connect the rotation axis is offered on the interconnecting piece, it is described Connecting hole is hexagonal hole, and the rotation axis is hexagonal prismoid.

As a kind of preferred embodiment of cabinet, the latch hook is arranged on the adjacent two sidewalls of the box-like body.

As a kind of preferred embodiment of cabinet, the positioning pin bank includes loose pin and fixed locating stud, described solid Determine positioning pin to be fixed on the side side wall of the box-like body, the loose pin is arranged at and the fixation On the adjacent side wall of side wall where positioning pin, the loose pin can stretch out outside the side wall or retract the interior of the cabinet Portion.

As a kind of preferred embodiment of cabinet, a latch hook is provided on the side wall of the box-like body in the width direction, And the two sides of the latch hook are provided with the loose pin.

As a kind of preferred embodiment of cabinet, pin active box is provided on the box-like body, the pin active box includes First box plate and the second box plate, the first box plate is parallel with the side wall where the loose pin and interval is arranged, described Second box plate is arranged between the first box plate and the corresponding side wall, is provided with detent slot on the second box plate；

The loose pin is radially convexly equipped with lever arm, and one end of the loose pin and one end of spring connect It connecing, the other end of the spring is connect with the first box plate, when the lever arm is located in the detent slot, the spring In compressive state, and the loose pin is located at the box house.

As a kind of preferred embodiment of cabinet, the first box plate, which offers, wears outbound hole, opens on the corresponding side wall Equipped with movable pin hole, one end of the loose pin can pass through the movable pin hole, the other end energy of the loose pin Outbound hole is worn across described, one end of the spring is connect with the first box plate, the other end of the spring and the activity Arm connection.

A kind of LED display module includes cabinet as described above.

A kind of LED display device, the upper LED display module, the two neighboring LED display module pass through the lock Component connection.

The utility model has the beneficial effects that:

The lock between adjacent boxes may be implemented by the way that lock-in component is arranged in cabinet provided by the embodiment of the utility model It closes and unlocks；By the way that the latch hook being rotatably connected on box-like body is arranged, realized between adjacent boxes by rotary motion latch hook Connection and unlock, it is simple to operate；By the way that positioning pin is arranged, the assembling positioning accuracy between adjacent boxes can be improved； Meanwhile lock-in component provided in this embodiment, structure size is smaller, and the installation space needed for box-like body is smaller, is conducive to Reduce the thickness of cabinet.

It is aobvious to be conducive to raising LED by using above-mentioned cabinet for LED display module provided by the embodiment of the utility model Show assembling convenience and the assembly precision between mould group, reduces LED display module in the size of thickness direction, it is aobvious to be conducive to LED Show the lightening design of mould group.

LED display device provided by the embodiment of the utility model is conducive to mention by using above-mentioned LED display module The installation accuracy of high LED display device realizes the lightening design of LED display device.

Detailed description of the invention

Fig. 1 is schematic diagram of the fractionation structure of LED display module provided by the embodiment of the utility model under the first visual angle；

Fig. 2 is the partial enlarged view in Fig. 1 at A；

Fig. 3 is schematic diagram of the fractionation structure of LED display module provided by the embodiment of the utility model under the second visual angle；

Fig. 4 is the partial enlarged view in Fig. 3 at B；

Fig. 5 is the partial enlarged view in Fig. 3 at C；

Fig. 6 is schematic diagram of the fractionation structure of LED display module provided by the embodiment of the utility model under third visual angle；

Fig. 7 is the structural schematic diagram under latch components provided by the embodiment of the utility model are in the unlocked state；

Fig. 8 is the structural schematic diagram that latch components provided by the embodiment of the utility model are under locked state；

Fig. 9 is the structural schematic diagram of cabinet provided by the embodiment of the utility model；

Figure 10 is the partial enlarged view in Fig. 9 at D.

It is marked in figure as follows:

1- cabinet；2- integrates board；3- display screen；4- enclosure board；5- hub；6- collection spool；7- card line folder；

11- box-like body；12- magnet；13- positioning column；14- connecting column；15- supporting element；The first positioning step of 16-；17- Second positioning step；18- cable clamping interface；19- latch components；21- escape port；31- lamp plate；32- magnetic absorption member；33- connection terminal； 41- guide post；51- line concentration entrance；The outlet of 52- line concentration；

111- installation cavity；112- the first side wall；113- second sidewall；114- third side wall；The 4th side wall of 115-；131- is fixed Position portion；The plug division 132-；191- latch hook；192- fixed locating stud；193- loose pin；194- spring；195- the first box plate； 196- the second box plate；197- sells movable chamber；198- latch hook box；

1321- guiding surface；1322- relief portion；1911- interconnecting piece；1912- hook portion；1913- connecting hole；1931- activity Arm；1961- detent slot.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.

Fig. 1 is schematic diagram of the fractionation structure of LED display module provided by the embodiment of the utility model under the first visual angle, As shown in Figure 1, the utility model provides a kind of LED display module, including cabinet 1, integrated board 2 and display screen 3, cabinet 1 It is provided with installation cavity 111 open at one end, integrated board 2 is mounted in installation cavity 111, and is connect with cabinet 1；Display screen 3 connects 111 opening of installation cavity in cabinet 1 is connect, and is electrically connected with integrated board 2.

Pinboard, power supply have been integrated on integrated board 2 and has received card, to can be realized using a board design Pinboard, power supply is separately provided and receives and blocks played function, avoids pinboard, power supply and reception and is stuck in inside cabinet 1 Layering setting caused by space occupied it is big, LED display module thickness increase the problem of, reduce 2 pairs of integrated board installations The required space of chamber 111, and then reduce LED display module in the size of thickness direction, be conducive to the lightening of LED display module Design.Simultaneously as pinboard, power supply and reception card are integrated on same board, each section is in the enterprising row information of same board Communication, reduces the quantity of Interface Terminal on integrated board 2, caused by being conducive to reduce integrated board 2 because of Interface Terminal loosening Failure rate improves the reliability and precision of LED display module；And integrated board 2 disposably completes the process, and reduces quality inspection The process of survey, reduces related personnel and the equipment investment of Quality Detection point and Quality Detection, so that reducing LED shows mould The processing cost of group；Meanwhile pinboard, power supply and reception card are integrated on a board, simplify the group of LED display module Dress is more advantageous to the full-automatic production of LED display module and produces in enormous quantities.

Specifically, integrated board 2 includes pinboard, and power supply has been integrated on pinboard and has received card, power supply owns Component is fixed on the power supply installing zone of pinboard, and all components for receiving card are fixed on the reception card installing zone of pinboard, Power supply installing zone and the setting of reception card installing zone interval, are provided in pinboard and are electrically connected power supply and receive the route blocked.

Integrated board 2 is in rectangle, and there are two long side and two short sides for tool, and the end face of two short sides is recessed fluted, This groove can be grasped when integrated board 2 is dismantled or is installed convenient for operator, and can also be to integrated 2 loss of weight of board.Collection It is two-ply at board 2.Thinner product structure may be implemented in the integrated board 2 of two-ply, meets the lightening of product and wants It asks.When integrated board 2 is set as two-ply, the route distribution integrated in board 2 is more compact.

Integrated board 2 includes the component side being oppositely arranged and soldering face, is provided with above-mentioned all kinds of components on component side. In the present embodiment, the component side of board 2 is integrated towards the bottom of cabinet 1, and soldering can directly utilize case facing towards display surface The structure of body 1 realizes the shielding to chip signal on integrated board 2, avoids that shielding case is arranged on integrated board 2, and then effectively The weight of ground reduction LED display module.

In integrated board 2, it is larger that power supply distributes heat in the process of running, and is additionally provided with capacitor etc. on integrated board 2 Other high fever components, for avoid on circuit board and 111 body of installation cavity in there is thermal accumlation and to first device on integrated board 2 The performance of part impacts, and heat sink is provided on integrated board 2, and heat sink is arranged between integrated board 2 and cabinet 1, collection It is transferred on cabinet 1 at the heat on board 2 by cooling fin and external environment is diffused to by cabinet 1, to reach reduction In installation cavity 111 on temperature and integrated board 2 temperature effect.

Preferably, at heat sink setting power supply, and one side is abutted with power supply, and another side is abutted with the bottom of cabinet 1, to increase Heat diffusivity.And heat sink can be multiple according to the position of high fever component on integrated board 2 and quantity setting, it is integrated to promote Thermal diffusion efficiency on board 2 guarantees the environment temperature in installation cavity 111.

The bottom of chamber of installation cavity 111 is upward convex to be equipped with installation part, is provided with mounting hole on installation part, integrated board 2 passes through company Fitting is detachably connected on installation part, realizes the connection of integrated board 2 and cabinet 1.Specifically, in the present embodiment, installation Hole is threaded hole, and connector is threaded connector, such as screw, bolt.In other embodiments, connector may be projection Inserting column on component side, inserting column are plugged in mounting hole, realize the plug connection of integrated board 2 and cabinet 1.

Fig. 2 is the partial enlarged view in Fig. 1 at A, as shown in Fig. 2, the side of installation cavity 111 is provided with hub 5, and is collected Line device 5 is located at the side of integrated board 2, for the connecting wire on integrated board 2 to be collected and exported.Hub 5 has There are a line concentration entrance 51 and two line concentration outlets 52, the line of two line concentration outlets 52 is vertical with the direction of line concentration entrance 51. Each line concentration outlet 52 is respectively connected with collection spool 6, and the one end for collecting spool 6 is connect with line concentration outlet 52, and the other end stretches out cabinet 1 Outside.

It, on the one hand can be to the company in installation cavity 111 by the way that 5 sum aggregate spool 6 of hub is arranged in the side of installation cavity 111 Link is fixed, and is conducive to plan the cabling inside cabinet 1, prevents cable mobile to the member on integrated board 2 Device impacts；On the other hand it is exported outside cabinet 1 after can collecting to route, caused by avoiding connection line in disorder The problem of aesthetics difference and line inconvenience, improves the aesthetics and line convenience of LED display module.

Specifically, the side of the short side of integrated board 2 is arranged in the line concentration entrance 51 of hub 5, and face integrates board 2 Side setting.After connecting wire on integrated board 2 is collected to hub 5 by line concentration entrance 51, according to connecting wire Orientation where equipment to be connected selects 1 outside of a stretching cabinet from two line concentration outlets 52 to connect with equipment to be connected It connects.By the opposite collection spool 6 in the opposite line concentration outlet 52 in two outlets of setting and extending direction, can make in cabinet 1 Conducting wire is selectively exported from one of collection spool 6, so that the connecting wire be conducive to outside cabinet 1 is neat, avoids connecting There is the case where connecting wire is in external coiling because of the position of equipment to be connected multiplicity in conducting wire.

Preferably, card line folder 7 is additionally provided in installation cavity 111 near collection spool 6, is used for collection spool 6 in cabinet 1 Inside it is fixed.In the present embodiment, card line folder 7 is Z-type structure, and one end of Z-type structure is connect with the bottom of chamber of installation cavity 111, The other end is located at the top of collection spool 6, and abuts with collection spool 6, to will collect the limit of spool 6 between card line folder 7 and bottom of chamber. Further, one end that card line folder 7 is located at collection 6 upper section of spool can extend downwardly out hook part, collection spool 6 limit to hook Between portion and the vertical component effect of Z-type mechanism, further collection spool 6 is limited in the intracorporal movement of installation cavity 111.

In another embodiment, card line folder 7 can be U-shaped structure, and the both ends of U-shaped structure are connect with bottom of chamber, and collection spool 6 limits In position to the U-type groove of U-shaped structure.In other examples, card line folder 7 can also be its for capableing of the movement of restriction set spool 6 His structure.In the present embodiment, each collection spool 6 is correspondingly arranged a card line folder 7.In other embodiments, each collection spool 6 It can be spaced along its length and two or more card line folders 7 is set.

In the present embodiment, the position that 1 side wall side wall end face of cabinet corresponds to collection spool 6 offers cable clamping interface 18, card line Slot 18 can be the shapes such as arc-shaped slot, V-groove or rectangular channel, and the arc-shaped slot of the external shape fits of preferably collection spool 6.Collection One end that spool 6 stretches out 1 outside of cabinet is connected in cable clamping interface 18, by 18 restriction set spool 6 of cable clamping interface along perpendicular to line concentration The horizontal position in 6 direction of pipe and displacement towards 1 side of cabinet, by 7 limitation of card line folder perpendicular to the bottom of chamber of installation cavity 111 Upward position.By the cooperation of cable clamping interface 18 and card line folder 7, the position of collection spool 6 is limited, cabinet is further prevented 1 connecting lead wire is mobile, improves the stability and shape cleaning of LED display module.

In this example it is shown that screen 3 be arranged in the soldering of integrated board 2 facing towards side, and the end with cabinet 1 Face connection.For the connective stability for improving cabinet 1 and display screen 3, the bottom of chamber of installation cavity 111 is provided with multiple mounting portions, integrates The position of the corresponding mounting portion of board 2 offers escape port 21, and mounting portion passes through escape port 21 and connect with display screen 3.

Fig. 3 is schematic diagram of the fractionation structure for the LED display module that the use of the new type embodiment provides under the second visual angle, Fig. 4 is the partial enlarged view in Fig. 3 at B, and Fig. 5 is the partial enlarged view in Fig. 3 at C, and as in Figure 3-5, cabinet 1 includes cabinet Ontology 11 and the guide part being arranged on box-like body 11, locating piece, supporting element 15 and fixing piece etc..Box-like body 11 includes square The bottom plate of shape and the side wall for being vertically disposed around four side of bottom plate, bottom plate and side wall surround to form above-mentioned installation cavity 111, display screen 3 It abuts with the side wall end face of box-like body 11 and is detachably connected with cabinet 1.

Since the installation flatness of display screen 3 in LED display module is directly related to the display quality of LED display module, To improve the opposite installation flatness of display screen 3, multiple first positioning steps 16 are convexly equipped on the end face of 1 side wall of cabinet, are installed It is provided with multiple supporting elements 15 in chamber 111, multiple second positioning steps 17, and all first are convexly equipped on the end face of supporting element 15 The upper surface of positioning step 16 and all second positioning steps 17 is respectively positioned on same plane, which forms and display screen 3 Contact surface.

During being processed to cabinet 1, the first positioning step 16 and the second positioning step 17 and box-like body 11 It is integrally formed, and the upper surface of the first positioning step 16 and the second positioning step 17 carries out finishing processing using machining, protects The upper surface for demonstrate,proving the first positioning step 16 and the second positioning step 17 is in the same plane.This kind of set-up mode, due to only right The upper surface of first positioning step 16 and the second positioning step 17 carries out finishing processing, in the base for the flatness for guaranteeing contact surface On plinth, the processing to cabinet 1 can be simplified, reduce the cost that cabinet 1 is processed.In the present embodiment, cabinet 1 is using casting integrated Molding uses after molding and processes the first positioning step 16 and the second positioning step 17.

In the present embodiment, cabinet 1 and display screen 3 are determined by the first positioning step 16 of setting and the second positioning step 17 Contact surface, the first positioning step 16 advantageously ensures that cabinet 1 and display screen 3 in the being completely embedded property of edge, the second positioning Step 17 is conducive to the flatness for keeping display screen 3 in intermediate region, prevents display screen 3 from occurring because volume is excessive in intermediate region The case where collapsing or being recessed.In other embodiments, the first positioning step 16 can also be only set on the end face of side wall.

It is vertically convexly equipped with multiple connecting columns 14 on the bottom plate of cabinet 1, magnet 12 is provided on the end face of connecting column 14, shows Screen 3 is provided with multiple magnetic absorption members 32 (as shown in Figure 6) towards cabinet 1 on one side, and magnet 12 can generate magnetic to magnetic absorption member 32 Suction, so that cabinet 1 is fastened together under the action of magnetic attraction with display screen 3.Pass through setting magnet 12 and magnetic absorption member On the one hand 32 connection cabinets 1 and display screen 3 can connect cabinet 1 and display screen 3 to avoid using connection types such as screws It connects, to can also prevent screw from losing or falling to inside cabinet 1 while simplifying the installation of cabinet 1 and display screen 3 and cause Safety issue；On the other hand, magnet 12 can generate the suction of magnetic absorption member 32 by non-contacting mode, and excellent There are gaps on the thickness direction of cabinet 1 for make magnet 12 and the magnetic absorption member 32 of choosing, make the two after mounting in non-contact shape State ensure that aobvious so that display screen 3 be made only to be contacted by the first positioning step 16 and the second positioning step 17 with cabinet 1 The flatness of display screen 3 and 1 contact surface of cabinet, improves the display effect of display screen 3, and reduces to 14 machining accuracy of connecting column It is required that；Moreover cabinet 1 and display screen 3 are attached by setting magnet 12 and magnetic absorption member 32, it can reduce installation settings case Space required for the connector of body 1 and display screen 3.

In the present embodiment, by the way that connecting column 14 is arranged, magnet 12 is set on the end face of connecting column 14, reduces magnet 12 The distance between magnetic absorption member 32 can also will be arranged on the bottom plate of cabinet 1 between magnet 12 in other embodiments.

In the present embodiment, magnetic absorption member 32 is the small iron block that corresponding magnet 12 is arranged, in other embodiments, magnetic absorption member 32 It may be other metal materials, as long as can be attracted by magnet 12.

In the present embodiment, it is provided in the inside of four side walls of box-like body 11 and bottom plate intermediate region multiple Magnet 12 avoids local magnetic attraction excessive or part lacks magnetic attraction to realize cabinet 1 to the uniform sucking action of display screen 3 The unstable phenomenon of caused connection occurs.And the quantity by increasing magnet 12, it can reduce the volume of single magnet 12, from And reduce the size required for 1 thickness direction of cabinet of magnet 12, be conducive to the lightening design of LED display module.

It is additionally provided with positioning column 13 on the bottom plate of cabinet 1, location hole, one end energy of positioning column 13 are provided on display screen 3 It is plugged on positioning hole, the connection positioning action of cabinet 1 and display is realized, further increases the connection of cabinet 1 Yu display screen 3 Precision.Specifically, positioning column 13 includes positioning region 131 and plug division 132, and 131 one end of positioning region is vertical with the bottom plate of cabinet 1 to be connected It connects, the other end is connect with plug division 132.Positioning region 131 and plug division 132 are cylindrical structure, and the outer diameter of positioning region 131 Greater than the outer diameter of plug division 132, the outer diameter of plug division 132 and the apertures of location hole.

It, can be only right during cabinet 1 is processed by the way that positioning column 13 is arranged to positioning region 131 and plug division 132 Plug division 132 is finished, and plug division 132 and location hole is made to realize precision-fit, is matched improving positioning column 13 with location hole While closing precision, the processing cost of positioning column 13 can reduce, to reduce the processing cost of cabinet 1.And by location hole with Plug division 132 is arranged to the form that high-precision cooperates, and compensates for magnet 12 and 32 good fixing effect of magnetic absorption member but positioning accuracy is poor Defect, improve the connection positioning accuracy of cabinet 1 Yu display screen 3, advantageously ensure that the assembling quality of LED display module.

As shown in Figure 4, it is provided with guiding surface 1321 on the end face of plug division 132, for plug division 132 and positioning The plug connection in hole is oriented to.And plug division 132 offers relief portion 1322 along its direction, relief portion 1322 can be in grafting Two are symmetrical arranged in portion 132, burr that may be present avoids on the hole wall to location hole, is conducive to plug division 132 are smoothly plugged to positioning hole.

Fig. 6 is schematic diagram of the fractionation structure of LED display module provided by the embodiment of the utility model under third visual angle, As shown in fig. 6, display screen 3 is provided with metal plate 4 towards cabinet 1 on one side, metal plate 4 is removable using screw thread etc. with display screen 3 The mode unloaded connects.Metal plate 4 is made of metal material, when display screen 3 needs to be dismantled with cabinet 1, by using magnetic Suction tool attracts metal plate 4, and the magnetic attraction that magnetic tool generates metal plate 4 can make the magnetic absorption member 32 of display screen 3 It is detached from the suction force range of magnet 12, to keep display screen 3 and the disassembly of cabinet 1 simple and fast.

The side of display screen 3 towards integrated board 2 is provided with connection terminal 33, and metal plate 4 is correspondingly connected with the position of terminal 33 Set and offer avoid holes, connection terminal 33 pass through avoid holes connect with the Interface Terminal on integrated board 2, realization display screen 3 and Communication between integrated board 2.

The side of metal plate 4 towards cabinet 1 is provided with guide post 41, integrates the position setting of the corresponding guide post 41 of board 2 There is pilot hole, guide post 41 can be inserted into pilot hole.Installation site by setting guide post 41 to display screen 3 on cabinet 1 Preliminary installation positioning is carried out, and finely positioning, Ke Yi are carried out to the installation of display screen 3 and cabinet 1 by setting positioning column 13 While guaranteeing the assembly precision of display screen 3 and cabinet 1, the processing request to guide post 41 and guide-localization column 110, drop are reduced The processing cost of low LED display module, while the combination of coarse positioning and finely positioning, while guaranteeing to position positioning accuracy, It is more favorable to the assembling of cabinet 1 and display screen 3.

In this example it is shown that screen 3 is spliced to form by multiple lamp plates 31, each lamp plate 31 is towards in the one side of cabinet 1 Be provided with metal plate 4, be provided at the corresponding each lamp plate 31 of cabinet 1 above-mentioned magnet 12, positioning column 13, connecting column 14, Second positioning step 17 and supporting element 15, to guarantee that the assembling of lamp plate 31 forms the flatness of display screen 3 after display screen 3.

Specifically, in the present embodiment, lamp plate 31 is rectangular configuration, and preferably square structure, the quadrangle of lamp plate 31, Above-mentioned magnetic absorption member 32 is provided at the midpoint on every one side and the geometric center of lamp plate 31, the magnet 12 on cabinet 1 is corresponding The position of magnetic absorption member 32 is provided with multiple.This kind of set-up mode is conducive to improve connective stability of the lamp plate 31 on cabinet 1, And the phenomenon that junction out-of-flatness of adjacent lamp plate 31 caused by 31 edge magnetic attraction of lamp plate can be prevented smaller.

Cabinet 1 is provided with supporting element 15 in the junction of two neighboring lamp plate 31, and the upper surface of supporting element 15 is provided with The second positioning step 17 stated, two neighboring lamp plate 31 guarantee two neighboring lamp plate 31 by the second positioning step 17 at line Between flatness.Second positioning step 17 is cross in the junction of four pieces of lamp plates 31, and criss-cross both sides are respectively along four The vertical connection side setting of two of block lamp plate 31；Second positioning step 17 is "-" type, and edge in the junction of two pieces of lamp plates 31 The connecting line of two pieces of lamp plates 31 is arranged.This kind of set-up mode, while can guarantee the flatness between adjacent lamp plate 31, The area of the second positioning step 17 can be reduced, so as to reduce the processing cost of cabinet 1.

In the present embodiment, each lamp plate 31 is correspondingly arranged two positioning columns 13, and two positioning columns 13 are separately positioned on lamp The opposite both sides edge of plate 31, advantageously ensures that the position accuracy between adjacent two lamp plate 31, prevents adjacent two lamp plate 31 Between occur gap or overlapping the phenomenon that.In other embodiments, can each lamp plate 31 every side at setting one it is fixed Position hole, the corresponding location hole setting of positioning column 13 on cabinet 1, but since positioning column 13 is needed across integrated board 2 and display screen 3 Connection, therefore, the quantity of positioning column 13 should be few as much as possible under the premise of guaranteeing the positioning accuracy of lamp plate 31.

In the present embodiment, there are two guide posts 41 for setting on each metal plate 4, and guide post 41 is with respect in lamp plate 31 Heart line be it is non-to bassinet structure, be conducive to avoid 31 installation direction of lamp plate that mistake occurs, improve the installation accuracy of lamp plate 31, Jin Erti The installation accuracy of high display screen 3.

In the present embodiment, positioning column 13, supporting element 15 and connecting column 14 as far as possible together with concentrated setting, should be conducive to Card sets escape port 21 on integrated board 2.Such as, positioned at 15 concentrated setting of connecting column 14 and supporting element of four pieces of 31 junctions of lamp plate Form above-mentioned mounting portion；Supporting element 15, positioning column 13 and connecting column in the junction of two pieces of lamp plates 31 along its length 14 concentrated settings form above-mentioned mounting portion；It is set in connecting column 14 and supporting element 15 concentration of two pieces of lamp plates 31 in the width direction It sets to form above-mentioned mounting portion.The corresponding each mounting portion of integrated board 2 offers escape port 21, for each mounting portion by with Display screen 3 connects.

In actual use, the LED display device of large screen is usually assembled by multiple LED display modules and is formed.It is more The assembling of a LED display module usually passes through the sealed type of attachment between cabinet 1.Therefore, in the present embodiment, cabinet 1 is gone back Including the latch components 19 being arranged on box-like body 11.

As is seen in figs 7-10, latch components 19 include latch hook 191 and positioning pin bank, for convenience of describing, in the present embodiment, The side wall of box-like body 11 includes sequentially connected the first side wall 112, second sidewall 113, third side wall 114 and the 4th side wall 115.Latch hook 191 is arranged on the first side wall 112 and second sidewall 113, and positioning pin bank includes multiple positioning pins, multiple positioning pins It is separately positioned on the first side wall 112 and second sidewall 113.Third side wall 114 and the 4th side wall 115 correspond to the lock of relative edge It opens the position for the positioning pin that the position setting of hook 191 corresponds to relative edge by bonnet lock hole, third side wall 114 and the 4th side wall 115 If by pin hole.

When two neighboring 1 sealed connection of cabinet, the first side wall 112 of a cabinet 1 and the third side of another cabinet 1 Wall 114 abuts, and realizes two casees in the pin hole on the third side wall 114 of the positioning pin insertion adjacent boxes 1 on the first side wall 112 The positioning of body 1 in the bonnet lock hole for the third side wall 114 that the latch hook 191 on the first side wall 112 is inserted into adjacent boxes 1, realizes two The clasp joint of cabinet 1 connects；Or, the second sidewall 113 of a cabinet 1 is abutted with the 4th side wall 115 of another cabinet 1, second The positioning of two cabinets 1 of realization in pin hole on 4th side wall 115 of the positioning pin insertion adjacent boxes 1 on side wall 113, second In the bonnet lock hole for the 4th side wall 115 that latch hook 191 on side wall 113 is inserted into adjacent boxes 1, realize that the clasp joint of two cabinets 1 connects It connects.

In the present embodiment, latch hook 191 and positioning are respectively set on adjacent the first side wall 112 and second sidewall 113 Pin, is respectively set bonnet lock hole and pin hole on another two side wall, can realize under the premise of saving the structure setting of cabinet 1 The effect that four side walls of cabinet 1 can be connect with another cabinet 1 expands the assembling range of LED display module.In other realities It applies in example, 191 He of latch hook can be only arranged on a side wall of box-like body 11 according to the assembling demand of LED display device Bonnet lock hole and pin hole is arranged in positioning pin on its opposite side wall；Or lock is respectively provided on four side walls of box-like body 11 Hook 191 and positioning pin improve the stability connected between cabinet 1.

Latch hook 191 includes 1911 hook portion 1912 of interconnecting piece interconnected, and interconnecting piece 1911 passes through rotation axis and cabinet sheet Body 11 is rotatablely connected, so that hook portion 1912 be driven to stretch out the outside of box-like body 11 or be located inside cabinet 1.Rotation axis perpendicular to The floor of box-like body 11 is arranged, and is rotatablely connected with box-like body 11.Interconnecting piece 1911 opens up the company due to rotation axis cooperation Hole 1913 is connect, interconnecting piece 1911 is fixedly connected by connecting hole 1913 in rotation axis.So as to be driven by rotary motion axis Latch hook 191 rotates, and realizes the switching of the sealed of two neighboring cabinet 1 and unlock.

In the present embodiment, by latch hook box 198, latch hook box 198 is one for the position setting of the corresponding latch hook 191 of box-like body 11 The box body structure of end opening, and there is the accommodating chamber for accommodating latch hook 191.Rotation axis one end is located in accommodating chamber, and one end, which is stretched out, to hold It receives outside chamber, it is convenient that artificially rotation axis is rotated.

When latch hook 191 is located in accommodating chamber, two neighboring cabinet 1 is in the unlocked state, when the hook portion 1912 of latch hook 191 When stretching out outside accommodating chamber, two neighboring cavity is in locked state.Realize that two neighboring cabinet 1 unlocks by rotating latch hook 191 The switching of locked state is closed, structure is simple, and it is easy to operate, the volume of latch components is reduced, the thickness for reducing cabinet 1 is conducive to Degree, to be conducive to the lightening design of LED display module.Simultaneously, moreover it is possible to latch hook 191 be protected, removing for cabinet 1 is facilitated Fortune etc., prevents the effect of foreign impacts power from damaging latch hook 191.

In the present embodiment, interconnecting piece 1911 is circular configuration, and hook portion 1912 is uniform using arc surface in interconnecting piece 1911 Transition connection is conducive to the volume for reducing latch hook 191.

In the present embodiment, connecting hole 1913 is hex hole, and rotation axis is hexagon, is beneficial to prevent interconnecting piece 1911 relatively rotate the rotation of axis.And latch hook can be made using relatively conventional die nut to the rotary action of auxiliary rotation axis 191 rotation is easy to operate, and the structure of rotation axis rotation is realized without additional designs, reduces the design cost of cabinet 1.

In embodiment, latch hook 191 is arranged at intervals with two on the side wall along its length of cabinet 1, advantageously ensures that Bonding strength and both sides stress equalization between two neighboring cabinet 1, and the setting of two latch hooks 191 is advantageously implemented cabinet 1 Hoisting transportation.Latch hook 191 is provided with one on the side wall in the width direction of cabinet 1, and is preferably provided at the midpoint of side wall Position is conducive on the basis of guaranteeing bonding strength, reduces processing and the design cost of cabinet 1.In other embodiments, may be used The number of latch hook 191 and position to be specifically arranged according to the size of cabinet 1, weight etc..

Positioning pin bank includes loose pin 193 and fixed locating stud 192, and in the present embodiment, fixed locating stud 192 hangs down Straight setting is fixedly connected on the first side wall 112, and with the first side wall 112；Loose pin 193 is arranged in second sidewall 113 On, and be slidably connected with second sidewall 113 to stretch out 113 outside of second sidewall or be retracted to inside cabinet 1.

Since 192 positioning accuracy of fixed locating stud is high, production cost is low, and loose pin 193 can facilitate between cabinet 1 Installation and removal, and be avoided that cabinet 1 carry etc. during, positioning pin, which is collided with, to be broken, and therefore, the present embodiment passes through setting Loose pin 193 and fixed locating stud 192 are conducive to cabinet 1 while guaranteeing to connect the precision of positioning between cabinet 1 Between installation and removal, especially when the adjacent both sides of cabinet 1 are connect with other cabinets 1, be arranged loose pin 193 Difficult problem can be removed and installed caused by setting fixed locating stud 192 to avoid on adjacent both sides.

In the present embodiment, the quantity of fixed locating stud 192 is one, and is arranged on the first side wall 112, activity orientation The quantity of pin 193 is two, and the two sides for the latch hook 191 being separately positioned in second sidewall 113, is conducive to raising and second side The positioning accuracy between cabinet 1 that wall 113 connects.

Specifically, the position of the corresponding loose pin 193 of box-like body 11 is provided with pin active box, pin active box one end with The bottom plate of box-like body 11 connects, another end opening.Pin active box include the first box plate 195 parallel with second sidewall 113 with And the second box plate 196 and third box plate between the first box plate 195 and second sidewall 113 are set.Second box plate 196, first Box plate 195, third box plate and second sidewall 113, which are surrounded, is formed with pin movable chamber 197, and loose pin 193 is at least partly arranged In pin movable chamber 197.

It is offered on first box plate 195 and wears outbound hole, the first side wall 112 offers activity corresponding to the position for wearing outbound hole Pin hole, one end of loose pin 193 can wear outbound hole, and the other end can pass through movable pin hole.It is opened up on second box plate 196 There is detent slot 1961, is arranged on the notch slot of detent slot 1961.

Loose pin 193 is radially convexly equipped with lever arm 1931, and lever arm 1931 is able to rotate to be fastened on detent slot In 1961.Loose pin 193 is connected with spring 194, one end of spring 194 and the first box far from one end of second sidewall 113 Plate 195 connects, and the other end of spring 194 is connect with lever arm 1931.

When lever arm 1931 is fastened in detent slot 1961, spring 194 is in compressive state, and loose pin 193 One end far from second sidewall 113 is stretched out outside pin movable chamber 197 by wearing outbound hole, and loose pin 193 is close to second sidewall 113 one end is located in pin movable chamber 197, and adjacent two tanks 1 are in the unlocked state at this time.By rotary moveable positioning pin 193, Lever arm 1931 can be made to be located at the opening of pin movable chamber 197 and be detached from detent slot 1961, at this point, since lever arm 1931 loses The position-limiting action of detent slot 1961 is removed, lever arm 1931 is under the restoring force effect of spring 194 to the side close to second sidewall 113 To movement, so that loose pin 193 is passed through movable pin hole close to one end of second sidewall 113 and stretch out 113 outside of second sidewall, this When, adjacent two tanks 1 are in locked state.

In the present embodiment, by being arranged spring 194 between lever arm 1931 and the first box plate 195, and first The movement that loose pin 193 is realized in outbound hole is worn in setting on box plate 195.In other embodiments, spring 194 can be arranged In one end bottom of the loose pin 193 far from second sidewall 113, one end of spring 194 is made to connect the first box plate 195, it is another One end of end connection loose pin 193 at this point, not needing the setting on the first box plate 195 wears outbound hole, but needs to increase pin Movable chamber 197 along 193 length direction of loose pin size, with the movement slot milling for loose pin 193.

Buckle structure provided in this embodiment, it is fixed to be realized by latch hook 191 and the cooperation of positioning pin group to two neighboring cabinet 1 Position and sealed, structure is simple, easy to operate, and positioning accuracy is high.And the size of 19 each section of latch components is smaller, is conducive to reduce The thickness of cabinet 1 is conducive to the lightening design of LED display module.

The present embodiment additionally provides a kind of LED display device, includes multiple above-mentioned LED display modules, two adjacent LEDs Display module is connected by latch components 19.

Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended Scope of the claims determine.

Claims (10)

1. a kind of cabinet (1), including box-like body (11), it is provided with latch components (19) on the box-like body (11), it is special Sign is that the latch components (19) include:

Latch hook (191) is arranged on the side side wall of the box-like body (11), and the latch hook (191) includes mutually interconnecting The interconnecting piece (1911) and hook portion (1912) connect, the interconnecting piece (1911) are rotatablely connected with the box-like body (11) to drive Cabinet (1) inside is stretched out on the outside of the box-like body (11) or retracted to the hook portion (1912)；

Position pin bank, including at least one positioning pin, the positioning pin setting where the latch hook (191) side wall or setting On the box-like body (11) and the latch hook (191) opposite side wall, the positioning pin and the side wall where it hang down It is direct-connected to connect.

2. cabinet (1) according to claim 1, which is characterized in that the interconnecting piece (1911) passes through rotation axis and cabinet Ontology (11) rotation connection, the interconnecting piece (1911) are fixedly connected with the rotation axis, the rotation axis and the cabinet sheet Body (11) rotation connection.

3. cabinet (1) according to claim 2, which is characterized in that offered on the interconnecting piece (1911) wear connect it is described The connecting hole (1913) of rotation axis, the connecting hole (1913) are hexagonal hole, and the rotation axis is hexagonal prismoid.

4. cabinet (1) according to claim 1, which is characterized in that on the adjacent two sidewalls of the box-like body (11) It is provided with the latch hook (191).

5. cabinet (1) according to claim 4, which is characterized in that the positioning pin bank include loose pin (193) and Fixed locating stud (192), the fixed locating stud (192) are fixed on the side side wall of the box-like body (11), institute It states loose pin (193) to be arranged on the side wall adjacent with side wall where the fixed locating stud (192), the activity Positioning pin (193) can stretch out the inside for outside the side wall or retracting the cabinet (1).

6. cabinet (1) according to claim 5, which is characterized in that the side wall of the box-like body (11) in the width direction On be provided with a latch hook (191), and the two sides of the latch hook (191) are provided with the loose pin (193).

7. cabinet (1) according to claim 5, which is characterized in that it is provided with pin active box on the box-like body (11), The pin active box includes the first box plate (195) and the second box plate (196), the first box plate (195) and the activity orientation Side wall where selling (193) is parallel and interval setting, and the second box plate (196) setting is in the first box plate (195) and right Between the side wall answered, detent slot (1961) are provided on the second box plate (196)；

The loose pin (193) is radially convexly equipped with lever arm (1931), the loose pin (193) and spring (194) one end connection, the other end of the spring (194) is connect with the first box plate (195), when the lever arm (1931) when interior positioned at the detent slot (1961), the spring (194) is in compressive state, and the loose pin (193) it is internal to be located at the cabinet (1).

8. cabinet (1) according to claim 7, which is characterized in that the first box plate (195), which offers, wears outbound hole, Movable pin hole is offered on the corresponding side wall, one end of the loose pin (193) can pass through the movable pin hole, institute The other end for stating loose pin (193) can wear outbound hole, one end of the spring (194) and the first box plate across described (195) it connects, the other end of the spring (194) is connect with the lever arm (1931).

9. a kind of LED display module, which is characterized in that comprising such as the described in any item cabinets of claim 1-8 (1).

10. a kind of LED display device, which is characterized in that it include multiple LED display modules as claimed in claim 9, it is two neighboring The LED display module is connected by the latch components (19).