CN103646619A

CN103646619A - LED (light-emitting diode) display screen and module ejection devices thereof

Info

Publication number: CN103646619A
Application number: CN201310718021.2A
Authority: CN
Inventors: 林洺锋; 王伟; 戴小田; 贺金锋; 张春旺; 胡丹
Original assignee: Guangdong Zhouming Energy Conservation Technology Co Ltd; Shenzhen Zhouming Technology Co Ltd
Current assignee: Guangdong Zhouming Energy Conservation Technology Co Ltd; Shenzhen Zhouming Technology Co Ltd
Priority date: 2013-12-23
Filing date: 2013-12-23
Publication date: 2014-03-19
Anticipated expiration: 2033-12-23
Also published as: CN103646619B

Abstract

The invention discloses an LED (light-emitting diode) display screen and module ejection devices thereof. The LED display screen comprises a display screen bottom casing and a plurality of LED display modules, wherein the plurality of LED display modules are adsorbed on the display screen bottom casing through the magnetic force; the module ejection devices are mounted under the LED display modules in the display screen bottom casing; a swing rod shaft is horizontally mounted on a swing rod of each module ejection device and fixed on a base, a torsion spring is embedded in one side of each swing rod, each swing rod shaft is sleeved with an axis of each torsion spring, a gear is arranged on the other side of each swing rod, each swing rod can rotate with the swing rod shaft used as an axis, and a torsion arm of each torsion spring supports each swing rod top end to extend out of each base; and lever shafts penetrate through levers and are fixed on bases, small torsion springs are arranged on the torsion spring between the levers and the bases, and bulge parts at bottoms of the levers are propped with the swing rod top ends. The LED display screen and the module ejection devices have the benefits as follows: the levers are rotated to relieve positioning of the swing rods under the effect of attraction and repulsive forces of external magnets, the levers are matched with the torsion springs on the swing rods to eject the swing rods, and the LED display modules are ejected, so that maintenance of the LED display screen is finished efficiently.

Description

LED display and module device for ejecting thereof

Technical field

The present invention relates to LED display field, relate in particular to a kind of LED display and module device for ejecting thereof.

Background technology

LED display is the outstanding person who shows at present industry.LED display is generally comprised of parts such as LED lamp, LED casing, pcb boards.At present, LED casing is normally assembled by many little modules, and the form that module is assembled into casing is convenient to transportation and the protection to module of display screen, and the casing consisting of module also can facilitate processing and fabricating.

The module of existing LED display is magnetic-type module, and module consists of LED casing on casing magnet adsorption.When module goes wrong while needing repairing, after needing first casing is firmly taken off, could further remove to dismantle module, the operation of this unpacking mode is comparatively loaded down with trivial details, length consuming time.

Summary of the invention

The technical matters that the present invention mainly solves is to provide a kind of LED display and module device for ejecting thereof, can make module in LED display by under fast fetching.

For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of module device for ejecting of LED display is provided, comprises base and be installed on fork, torsion spring, gear, fork axle, lever, lever shaft, magnet, balancing weight, little torsion spring, button and the spur rack in base, described fork axle is flatly housed on described fork, fork axle two ends are fixed on base, one side of fork is embedded with described torsion spring, the axle center of torsion spring is placed on fork axle, and the arm of turning round of torsion spring is positioned in the stopper slot on fork, and the opposite side of fork is provided with gear, gear is fixed on fork axle, it is that rotate in axle center that fork can rely on fork axle, and in the situation that not being subject to external force, the arm support fork top of turning round of torsion spring extends outside the base, described lever is T shape, the top of lever both sides is flatly fixed with respectively described magnet, one of the magnet of both sides be the N utmost point upward, one for the S utmost point upward, below magnet, be provided with balancing weight, described lever shaft is through the middle part of lever, and lever shaft level is fixed on base, and the lever shaft between lever and base is provided with described little torsion spring, two of little torsion spring is turned round arm and is supported on base, and the bottom of lever is provided with lug boss, in base bottom, be provided with described spur rack, spur rack can to-and-fro movement on base, and its one end extends outside the base and is fixed on described button, and spur rack meshes with above-mentioned gear, fork rotates fork top is contained in base along fork axle, lug boss on lever is pressured on fork top, spring force by little torsion spring keeps fork top in holding state, when base top is equipped with magnetic patch, one of the magnet of lever both sides is subject to suction upwards, one is subject to downward repulsion, lever rotates towards a side with suction along lever shaft, rotation due to lever, the lug boss of lever bottom is unsceptered, torsion spring resets, drive fork rotates, when fork top extends outside the base, gear rotates and drives spur rack promotion button to move laterally, when needs reset, in base, promote button, spur rack driven gear resets fork, and meanwhile, lever also resets under the Action of Gravity Field of balancing weight, and the lug boss of lever is got back to the pressured position in fork top is contained in base fork top.

Another technical solution used in the present invention is: a kind of LED display is provided, comprise that display screen drain pan and a plurality of LED that are installed on this display screen drain pan by magnetic-adsorption show module, in described display screen drain pan, LED shows that the below of module is provided with module device for ejecting, the module device for ejecting that described module device for ejecting is the LED display described in technique scheme, module device for ejecting is externally under the effect of magnetic patch, the fork top of being located at the described fork on module device for ejecting can protrude upward and jack-up LED demonstration module, make LED show that module departs from display screen drain pan.

Wherein, four edges that described module device for ejecting is located at described display screen drain pan position in the inner part.

The invention has the beneficial effects as follows: the principle of utilizing magnet homopolar-repulsion heteropole to inhale mutually, by different in nature magnet being set toward the outer side at lever two ends, externally under the suction of magnet and repulsion effect, make lever rotate the location of removing fork, and coordinate the torsion spring on fork to eject fork, make fork top protuberate basic unit jack-up side's provided thereon LED show module, this process is convenient and swift, is conducive to increase work efficiency, and makes operating personnel complete more efficiently the maintenance work of LED display.

Accompanying drawing explanation

Fig. 1 is the part-structure schematic diagram of an embodiment of LED display of the present invention;

Fig. 2 is the schematic diagram of the display screen drain pan in an embodiment of LED display of the present invention;

Fig. 3 is the exploded view of the module device for ejecting in an embodiment of LED display of the present invention.

Main element symbol description:

10, display screen drain pan; 20, LED shows module; 30, module device for ejecting; 31, base; 32, fork; 321, fork top; 33, torsion spring; 34, fork axle; 35, lever; 351, lug boss; 36, lever shaft; 37, magnet; 38, little torsion spring; 39, balancing weight; 310, button; 311, spur rack; 312, gear.

Embodiment

By describing technology contents of the present invention, structural attitude in detail, being realized object and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.

Refer to Fig. 1 and Fig. 2, present embodiment is a kind of LED display, comprise that display screen drain pan 10 and a plurality of LED that are installed on this display screen drain pan 10 by magnetic-adsorption show module 20, in display screen drain pan 10, LED show module 20 below module device for ejecting 30 is installed, four edges that module device for ejecting 30 is located at display screen drain pan 10 position in the inner part, in Fig. 2, A place and B place be the installation site of module device for ejecting, the module device for ejecting 30 of two other edge has been loaded onto.

Refer to particularly Fig. 3, module device for ejecting 30 comprises base 31 and is installed on fork 32, torsion spring 33, fork axle 34, lever 35, lever shaft 36, magnet 37, little torsion spring 38, balancing weight 39, button 310, spur rack 311 and the gear 312 in base.

Fork axle 34 is flatly housed on fork 32, fork axle 34 two ends are fixed on base 31, one side of fork 32 is embedded with torsion spring 33, the axle center of torsion spring 33 is placed on fork axle 34, and the arm of turning round of torsion spring 33 is positioned in the stopper slot on fork 32, and the opposite side of fork 32 is provided with gear 312, gear 312 is fixed on fork axle 34, fork 32 can rely on fork axle 34 for rotating in axle center, and in the situation that not being subject to external force, the arm support fork top 321 of turning round of torsion spring 33 extends outside the base.

Lever 35 is T shape, the top of lever 35 both sides is flatly fixed with respectively

magnet

37,37 1 of the magnet of both sides be the N utmost point upward, one for the S utmost point upward, below magnet 37, be provided with balancing weight 39, lever shaft 36 is fixed on base 31 through the middle part level of lever 35, lever shaft 36 between lever 35 and base 31 is provided with little torsion spring 38, and two of little torsion spring 38 is turned round arm and is supported on base 31, and the bottom of lever 35 is provided with lug boss 351; In base 31 bottoms, be provided with spur rack 311, spur rack 311 can to-and-fro movement on base 31, and one end protuberate basic unit 31 is outer is fixed on button 310 for it, spur rack 311 and above-mentioned gear 312 engagements.

Fork 32 rotates fork top 321 is contained in base 31 along fork axle 34, lug boss 351 on lever 35 is pressured on fork top 321, spring force by little torsion spring 38 keeps fork top 321 in holding state, when base 31 tops are equipped with magnetic patch, 37 1 of the magnet of lever 35 both sides are subject to suction upwards, one is subject to downward repulsion, lever 35 rotates towards a side with suction along lever shaft 36, rotation due to lever 35, the lug boss 351 of lever bottom is unsceptered, torsion spring 33 resets, drive fork 32 to rotate, when fork top 321 extends outside the base, gear 312 rotates and drives spur rack 311 promotion buttons 310 to move laterally, when needs reset, to the interior promotion button 310 of base 31, spur rack 311 driven gears 312 reset fork 32, simultaneously, lever 35 also resets under the Action of Gravity Field of balancing weight 39, and the lug boss 351 of lever 35 is got back to the pressured position in fork top 321 is contained in base 31 fork top 321.

In practical operation, when needs take off LED demonstration module 20, a desirable magnetic patch swings back and forth above LED demonstration module 20, under magneticaction, lever 35 rotates, the fork top 321 of fork 32 can protrude upward and jack-up LED shows module 20, makes LED show that module 20 departs from display screen drain pan 10 and is removed, and just can LED module be changed or be keeped in repair afterwards; When needs are loaded on LED and show module 20, first button 310 is pushed in base 31, fork top 321 is regained in bases 31, again LED is shown afterwards to module 20 is loaded onto on display screen drain pan 10 to suck by magnetic force.

These are only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes instructions of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims

1. a module device for ejecting for LED display, is characterized in that, comprises base and is installed on fork, torsion spring, gear, fork axle, lever, lever shaft, magnet, balancing weight, little torsion spring, button and the spur rack in base;

Described fork axle is flatly housed on described fork, fork axle two ends are fixed on base, one side of fork is embedded with described torsion spring, the axle center of torsion spring is placed on fork axle, and the arm of turning round of torsion spring is positioned in the stopper slot on fork, and the opposite side of fork is provided with described gear, gear is fixed on fork axle, it is that rotate in axle center that fork can rely on fork axle, and in the situation that not being subject to external force, the arm support fork top of turning round of torsion spring extends outside the base;

Described lever is T shape, the top of lever both sides is flatly fixed with respectively described magnet, one of the magnet of both sides be the N utmost point upward, one for the S utmost point upward, below magnet, be provided with balancing weight, described lever shaft is through the middle part of lever, and lever shaft level is fixed on base, and the lever shaft between lever and base is provided with described little torsion spring, two of little torsion spring is turned round arm and is supported on base, and the bottom of lever is provided with lug boss;

In base bottom, be provided with described spur rack, spur rack can to-and-fro movement on base, and its one end extends outside the base and is fixed on described button, and spur rack meshes with above-mentioned gear;

Fork rotates fork top is contained in base along fork axle, lug boss on lever is pressured on fork top, spring force by little torsion spring keeps fork top in holding state, when base top is equipped with magnetic patch, one of the magnet of lever both sides is subject to suction upwards, one is subject to downward repulsion, lever rotates towards a side with suction along lever shaft, rotation due to lever, the lug boss of lever bottom is unsceptered, torsion spring resets, drive fork rotates, when fork top extends outside the base, gear rotates and drives spur rack promotion button to move laterally, when needs reset, in base, promote button, spur rack driven gear resets fork, and meanwhile, lever also resets under the Action of Gravity Field of balancing weight, and the lug boss of lever is got back to the pressured position in fork top is contained in base fork top.

2. a LED display, comprise that display screen drain pan and a plurality of LED that are installed on this display screen drain pan by magnetic-adsorption show module, it is characterized in that, in described display screen drain pan, LED show module below module device for ejecting is installed, the module device for ejecting that described module device for ejecting is LED display claimed in claim 1, module device for ejecting is externally under the effect of magnetic patch, the fork top of being located at the described fork on module device for ejecting can protrude upward and jack-up LED demonstration module, makes LED show that module departs from display screen drain pan.

3. LED display according to claim 2, is characterized in that: four edges that described module device for ejecting is located at described display screen drain pan position in the inner part.