CN202258170U

CN202258170U - LED (light-emitting diode) module and LED display screen unit box body

Info

Publication number: CN202258170U
Application number: CN201120319096XU
Authority: CN
Inventors: 何进龙; 王启权; 吴涵渠
Original assignee: Shenzhen Aoto Electronics Co Ltd
Current assignee: Shenzhen Aoto Electronics Co Ltd
Priority date: 2011-08-29
Filing date: 2011-08-29
Publication date: 2012-05-30
Anticipated expiration: 2021-08-29

Abstract

The utility model discloses an LED module and an LED display screen unit box body comprising the LED module. The LED module can be mounted on a box body frame to become a constituent part of the LED display screen unit box body; the LED module comprises an LED module shell body, a buckling mechanism used for fixing the LED module on the box body frame is arranged on the LED module shell body, the buckling mechanism comprises a lock cylinder component arranged on the LED module shell body and a lock block, and the lock block can be driven by the lock cylinder component to move outwards and extend or to move inwards and retract. According to the LED display screen box body with the LED module adopting the technical scheme, the lock cylinder component drives the lock block to move outwards or inwards to clamp or separate from the LED display screen unit box body, so that the quick mounting and dismounting of the LED module are realized, and the buckling mechanism is simple and is low in cost; and when the LED module is mounted on the LED display screen unit box body, the assembly efficiency is greatly improved and the labor cost is reduced.

Description

A kind of LED module and LED display unit box

Technical field

The utility model relates to LED display, more particularly, relates to a kind of LED module and adopts the LED display unit box of this LED module.

Background technology

LED display is widely used as the good panel display screen of a kind of display effect, for example is applied to indoor outer advertisement, physical culture, traffic, performance, exhibition, lease, rally or the like various occasions.In general LED display comprises a plurality of led display unit casings, and each led display unit casing comprises some LED modules, so the LED module is the important component part of LED display.

Existing LED module all is to be fixed on the box frame of led display unit casing through some screw lock; Because the screw number is too many; Assembling and dismounting all need be with screwdriver precession or back-out screws repeatedly; Take time and effort, inconvenient operation, inefficiency, cause the I& M human cost high.Therefore, existing this LED module can't adapt to the cost pressure that is brought that human cost rises steadily, and needs to improve.

The utility model content

One of the utility model technical matters to be solved is to overcome the defective of prior art, and a kind of LED module is provided, and this LED module has simple in structure, and the latching device that cost is low can be realized the quick demolition, installation of LED module through this latching device.

For solving the problems of the technologies described above; The technical scheme of the utility model is: a kind of LED module is provided; It is used to be mounted on the box frame and becomes the ingredient of LED display unit box; This LED module comprises the LED module casing; Said LED module casing is provided with the latching device that can this LED module be fixedly attached to said box frame, and said latching device comprises the lock core assembly that is fixed on the said LED module casing, and can be driven by said lock core assembly more than two and two and move laterally and stretch out or move and the lock dog of withdrawal to the inside; Said lock dog makes the LED module engage with box frame and fixes when stretching out, make LED module and box frame break away from during withdrawal.

Particularly, said LED module casing is provided with guide groove, and said lock dog is slidedly arranged in the said guide groove; Said lock core assembly comprises the rotatable rotating shaft that is arranged at said LED module casing, is sheathed in the said rotating shaft eccentric wheel that can rotate with rotating shaft, and said eccentric wheel is connected with lock dog power, drives the said guide groove slip in said lock dog edge and stretches out or withdraw.

Further, said lock core assembly also comprises resetting structure, and said resetting structure is arranged between said lock dog and the said LED module casing; Said eccentric wheel contacts with the inner side end of said lock dog with its outside wall surface, and said eccentric wheel outside wall surface has closest approach and solstics; Said eccentric wheel rotates around the axis and makes said lock dog when said closest approach slides into said solstics, and lock dog stretches out; Said eccentric wheel rotates around the axis and makes said lock dog when said solstics slides into said closest approach, and said lock dog is withdrawn under the effect of said resetting structure.

Preferably, said resetting structure is a stage clip, and said stage clip is compressed between lock dog and the module drain pan.

Particularly, the middle part of said lock dog has containing cavity, and an end of said stage clip is resisted against the chamber wall of said containing cavity, and the other end of said stage clip is resisted against on the stop block of being located in the said guide groove.

Further, has location structure between the inner end face of said eccentric outside wall surface and said lock dog.

Particularly; Said location structure comprises first salient point of being located at place, said eccentric solstics; Be located at second salient point at said eccentric closest approach place, and be located at the groove that said first salient point and second salient point snap in respectively that holds on the inner end face of said lock dog.

Particularly, have axis hole on the said eccentric wheel, the middle part of said rotating shaft has the connecting portion that is arranged in the said axis hole, and the xsect of said connecting portion and the shape of said axis hole and size are suitable.

Particularly, said guide groove is at least two, and is symmetrically distributed; The quantity of said lock dog is corresponding with said guide groove quantity, and each lock dog correspondence one by one is located in each guide groove; Eccentric quantity in the said lock core assembly is corresponding with the quantity of said lock dog, and each eccentric wheel is arranged in the said rotating shaft successively.

Two of the utility model technical matters to be solved is to overcome the defective of prior art, and a kind of LED display unit box of being convenient to assemble is provided.

For solving the problems of the technologies described above, the technical scheme of the utility model is: a kind of LED display unit box is provided, and it comprises the LED module, and said LED module is above-mentioned LED module.

In the utility model, drive lock dog through the lock core assembly and move outward and stretch out and be stuck on the LED display unit box, realize the installation of LED module; Drive through the lock core assembly simultaneously and move withdrawal disengaging LED display unit box in the lock dog, this latching device is simple, and cost is low, has realized the quick demolition, installation of LED module; This LED module installation application when the LED display unit box, is improved efficiency of assembling greatly, reduce cost of labor.

Description of drawings

Fig. 1 is the part-structure synoptic diagram that a kind of LED module that the utility model provides is installed on the LED display unit box;

Fig. 2 is that a kind of LED module that the utility model provides is installed on the part-structure synoptic diagram of LED display unit box, and has shown the decomposition texture of latching device;

Fig. 3 is the structural representation of LED module casing among the utility model embodiment, and has shown the position and the structure of guide groove;

Fig. 4 is the structural representation of lock dog among the utility model embodiment;

Fig. 5 is an eccentric structural representation among the utility model embodiment;

Fig. 6 is the structural representation of the utility model embodiment shaft;

Fig. 7 is the structural representation of fixed cap among the utility model embodiment.

Embodiment

For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

With reference to Fig. 1, a kind of LED module that provides for the utility model is installed on the part-structure synoptic diagram of LED display unit box.Said LED module is used to be mounted on the box frame 200 and becomes the ingredient of LED display unit box (not shown).Said LED module comprises LED module casing 100; LED module casing 100 is provided with and can it be installed on the latching device 300 on the box frame 200; Latching device 300 comprises the lock core assembly 310 that is fixed on the LED module casing 100, and can be driven by lock core assembly 310 more than two and two and move laterally and stretch out or move and the lock dog 320 of withdrawal to the inside; Said lock dog makes the LED module engage with box frame 200 and fixes when stretching out, make LED module and box frame 200 break away from during withdrawal.In the utility model, promote outer the moving of lock dogs 320 through lock core assembly 310 and stretch out and be stuck on the box frame 200, realize the installation of LED module; Make through rotary locking cylinder assembly 310 simultaneously and moving withdrawal in the lock dog 320 and break away from box frame 200, this latching device 300 is simple, and cost is low, has realized the quick demolition, installation of LED module, improves efficiency of assembling greatly, reduces cost of labor.

Please combine Fig. 2, Fig. 3 again, in the present embodiment, LED module casing 100 is provided with guide groove 110, and guide groove 110 is four, and is the distribution of " ten " font diagonal angle; The quantity of lock dog 320 is corresponding with guide groove 110 quantity, also is four, and each lock dog 320 correspondence one by one is located in each guide groove 110; Lock core assembly 310 is located at the center, diagonal angle of each guide groove 110.Adopt said structure, promptly each LED module is fixed through four lock dogs 320 and box frame 200, thereby has guaranteed the steadiness that the LED module is installed.Certainly, guide groove 110 also is not limited to four in the present embodiment, and it also can be two or three or more a plurality of; For no other reason than that the LED module in this embodiment roughly is square; So adopt four, and be the distribution of " ten " font diagonal angle, this kind mode can reach better locking effect.Even be foursquare LED module equally; Also might need to adopt the guide groove 110 of other number and suitable more set-up mode; Such as, possibly need to adopt eight lock dogs 320, and guide groove possibly be the distribution of " rice " word shape for bigger foursquare LED module.

Particularly, please combine Fig. 2, Fig. 5 again, lock core assembly 310 comprises the eccentric wheel 312 that rotates the rotating shaft 311 be arranged on the LED module casing 100, is sheathed in the rotating shaft 311 and can rotates with rotating shaft 311.Eccentric wheel 312 correspondences also are four, are arranged in successively in the rotating shaft 311, and each eccentric wheel 312 connects with each lock dog 320 corresponding power, and the corresponding lock dog 320 of driving stretches out along sliding in the guide groove 110 or withdraws.

Further, in the present embodiment, eccentric wheel 312 contacts with the inner side end of its outside wall surface with lock dog 320, and eccentric wheel 312 outside wall surface have closest approach 3121 and solstics 3122.Because eccentric wheel 312 adopts this Drive Structure with lock dog 320, so lock core assembly 310 also comprises resetting structure 330, resetting structure 330 is arranged between lock dog 320 and the LED module casing 100, and it is used to promote the mobile to the inside withdrawal of lock dog 320 and resets.The concrete course of work is: when eccentric wheel 312 311 rotates and makes lock dog 320 when closest approach 3121 slides into solstics 3122 around the shaft, lock dog 320 promotes mobile laterally down stretching out in eccentric wheel 312 outside wall surface; When eccentric wheel 312 311 rotates and makes lock dog 320 from the solstics 3122 when sliding into closest approach 3121 around the shaft, lock dog 320 moves to the inside under the effect of resetting structure 330 and withdraws.Need to prove that when lock dog 320 adopted other Drive Structure with eccentric wheel 312, also can omit resetting structure this moment.

Preferably, in the present embodiment, resetting structure 330 is a stage clip.Stage clip also is four, and correspondence acts on each lock dog 320.Please with reference to Fig. 1, Fig. 2 and Fig. 4, the middle part of lock dog 320 has containing cavity 321, and an end of stage clip is resisted against the chamber wall of containing cavity 321, and the other end is resisted against on the stop block of being located in the guide groove 110 130.Need to prove that one of ordinary skill in the art can expect that resetting structure 330 can also be common flexible members such as extension spring, bungee, as long as its effect resets lock dog 320, all should be within the protection domain of the utility model.

Optimisation technique scheme as the utility model has location structure between the inner end face of the outside wall surface of eccentric wheel 312 and lock dog 320.Like this,, be implemented under certain state through location structure, the relative fixed of eccentric wheel 312 and lock dog 320, thus realize that the LED module is connected with the reliable of box frame 200.

Particularly; First salient point 3123 that comprises 3122 places, solstics that are located at eccentric wheel 312 with reference to Fig. 4, Fig. 5 location structure; Be located at second salient point 3124 at closest approach 3121 places of eccentric wheel 312; And be located at the groove 322 on the inner end face of lock dog 320, when eccentric wheel 312 rotated, first salient point 3123 and second salient point 3124 can snap in respectively in the groove 322.Particularly, when lock dog 320 outwards moves down when engaging with box frame 200 in eccentric wheel 312 effect, first salient point 3123 engages with groove 322, thereby maintenance lock dog 320 and box frame 200 are in tight fastening state, avoid the two separation in vibration environment; When eccentric wheel 312 rotations, lock dog 320 moves inward under the effect of stage clip elastic-restoring force when breaking away from box frame 200, and second salient point 3124 on the eccentric wheel 312 engages with groove 322.The location structure of this salient point and groove, simple in structure, on the one hand lock dog 320 is played position-limiting action, prevent that it from moving; In rotary course, can judge also through location structure whether lock dog 320 engages with box frame 200 on the other hand puts in place.In the present embodiment, the salient point in the location structure and the position of groove are interchangeable, and two grooves promptly are set on eccentric wheel 312, and on lock dog 320, the salient point that can engage with two grooves are set.

Particularly; Please refer again to Fig. 5, Fig. 6, have axis hole 3125 on the eccentric wheel 312, the middle part of rotating shaft 311 has connecting portion 3111; Connecting portion 3111 is by passing in the axis hole 3125, and the shape and the size of the axis hole 3125 of the xsect of connecting portion 3111 and eccentric wheel 312 are suitable.In the present embodiment, the xsect of connecting portion 3111 is a square, and the cross section of axis hole 3125 also correspondence is square.Certainly; The cross section of the xsect of connecting portion 3111 and axis hole 3125 also is not limited to square; It also can be triangle, rectangle, rhombus, regular hexagon etc., even can also be ellipse, circle, semicircle etc., when adopting circle certainly; Need interference fit or adopt key to connect, can not rotate relatively between the two with assurance.In a word, as long as connecting portion 3111 is when passing in the axis hole 3125, the two can interact and rotate together and can not relatively rotate, all within the protection domain of the utility model.

Please refer again to Fig. 1, Fig. 4, be provided with between the outer end of lock dog 320 and the containing cavity 321 in first stopper slot, 323, the first stopper slots 323 and be equipped with the limited block (not shown) of stretching out by LED module casing 100; Be provided with between the inner of lock dog 320 and the containing cavity 321 in second stopper slot, 324, the second stopper slots 324 and be equipped with the grab (not shown) of stretching out by LED module casing 100.Through limited block being arranged in first stopper slot 323, realize the fixing of lock dog 320 outer ends; Through grab being arranged in second stopper slot 324, realizing lock dog 320 inner fixing, thereby avoid lock dog 320 by deviating from the guide groove 110.

Further, with reference to Fig. 1, Fig. 2, Fig. 7, in the present embodiment, latching device 300 also comprises the fixed cap 340 of being located at lock core assembly 310 tops, fixed cap 340 have to guide groove 110 extend and be covered on lock dog 320 cover 341.In the present embodiment, cover 341 and have four, be covered on respectively on each interior lock dog 320 of four guide grooves 110.In the present embodiment, fixed cap 340 is set, on the one hand lock core assembly 310 is played fixation, on the other hand, also play the dustproof effect; Cover 341 and go up on lock dog 320 to be provided with to prop up, then further lock dog 320 is played fixation, more effectively avoid it, guarantee that it can only move horizontally along guide groove 110 by deviating from the guide groove 110.

In the present embodiment, when the LED module is installed, during rotating shaft 311; Rotating shaft 311 drives four eccentric wheels 312 and rotates; Each eccentric wheel 312 promotes corresponding lock dog 320 and outwards move, and the outer end of each lock dog 320 all engages locking with box frame 200, when the groove on the lock dog 320 322 when first salient point 3123 on the corresponding eccentric wheel 312 engages; Can lock dog 320 is spacing fixing, realize being locked of LED module; Continue firmly rotating shaft 311; Rotating shaft 311 drives eccentric wheels 312 and is rotated further, and the groove 322 on each lock dog 320 breaks away from first salient point 3123 on the corresponding eccentric wheel 312, and each lock dog 320 bounces back along the guide groove 110 at place separately under corresponding stage clip acting force; When the groove on the lock dog 320 322 when second salient point 3124 on the eccentric wheel 312 engages; Once more that lock dog 320 is spacing fixing, this moment, the outer end of lock dog 320 broke away from box frame 200, thereby realized the dismounting of LED module.Aforesaid operations is simple, quick, and efficient is high, has saved cost of labor greatly.

This enforcement is novel also to provide a kind of LED display unit box, and as showing the part-structure of its box frame 200 among Fig. 1,2, this box frame 200 is provided with above-mentioned LED module.Because above-mentioned LED module has latching device, so the demolition, installation of LED module are very convenient, raises the efficiency, and has saved cost of labor, thereby has also reduced the cost of LED display unit box, makes it have more the market competitiveness.

More than be merely the preferred embodiment of the utility model,, any modification of being done within all spirit at the utility model and the principle, be equal to and replace and improvement etc., all should be included within the protection domain of the utility model not in order to restriction the utility model.

Claims

1. LED module; It is used to be mounted on the box frame and becomes the ingredient of LED display unit box; This LED module comprises the LED module casing; It is characterized in that: said LED module casing is provided with the latching device that can this LED module be fixedly attached to said box frame; Said latching device comprises the lock core assembly that is fixed on the said LED module casing, and can be driven by said lock core assembly more than two and two and move laterally and stretch out or move and the lock dog of withdrawal to the inside; Said lock dog makes the LED module engage with box frame and fixes when stretching out, make LED module and box frame break away from during withdrawal.

2. a kind of LED module as claimed in claim 1 is characterized in that: said LED module casing is provided with guide groove, and said lock dog is slidedly arranged in the said guide groove; Said lock core assembly comprises the rotatable rotating shaft that is arranged at said LED module casing, is sheathed in the said rotating shaft eccentric wheel that can rotate with rotating shaft, and said eccentric wheel is connected with lock dog power, drives the said guide groove slip in said lock dog edge and stretches out or withdraw.

3. a kind of LED module as claimed in claim 2 is characterized in that: said lock core assembly also comprises resetting structure, and said resetting structure is arranged between said lock dog and the said LED module casing; Said eccentric wheel contacts with the inner side end of said lock dog with its outside wall surface, and said eccentric wheel outside wall surface has closest approach and solstics; Said eccentric wheel rotates around the axis and makes said lock dog when said closest approach slides into said solstics, and lock dog stretches out; Said eccentric wheel rotates around the axis and makes said lock dog when said solstics slides into said closest approach, and said lock dog is withdrawn under the effect of said resetting structure.

4. a kind of LED module as claimed in claim 3 is characterized in that: said resetting structure is a stage clip, and said stage clip is compressed between lock dog and the module drain pan.

5. a kind of LED module as claimed in claim 4, it is characterized in that: the middle part of said lock dog has containing cavity, and an end of said stage clip is resisted against the chamber wall of said containing cavity, and the other end of said stage clip is resisted against on the stop block of being located in the said guide groove.

6. a kind of LED module as claimed in claim 3 is characterized in that: have location structure between the inner end face of said eccentric outside wall surface and said lock dog.

7. a kind of LED module as claimed in claim 6; It is characterized in that: said location structure comprises first salient point of being located at place, said eccentric solstics; Be located at second salient point at said eccentric closest approach place, and be located at the groove that said first salient point and second salient point snap in respectively that holds on the inner end face of said lock dog.

8. a kind of LED module as claimed in claim 2 is characterized in that: have axis hole on the said eccentric wheel, the middle part of said rotating shaft has the connecting portion that is arranged in the said axis hole, and the xsect of said connecting portion and the shape of said axis hole and size are suitable.

9. a kind of LED module as claimed in claim 2 is characterized in that: said guide groove is at least two, and is symmetrically distributed; The quantity of said lock dog is corresponding with said guide groove quantity, and each lock dog correspondence one by one is located in each guide groove; Eccentric quantity in the said lock core assembly is corresponding with the quantity of said lock dog, and each eccentric wheel is arranged in the said rotating shaft successively.

10. a LED display unit box comprises the LED module, it is characterized in that: said LED module is any described a kind of LED module in the claim 1 to 9.