CN212986943U

CN212986943U - High-strength LED backlight source structure

Info

Publication number: CN212986943U
Application number: CN202022260002.8U
Authority: CN
Inventors: 沈晓慧; 沈晓锋; 张海中
Original assignee: Shenzhen Jinxiao Times Technology Co ltd
Current assignee: Shenzhen Jinxiao Times Technology Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-04-16
Anticipated expiration: 2030-10-12

Abstract

The utility model belongs to the technical field of LED backlight and specifically relates to a high strength LED backlight structure is related to, including the backlight shell and set up the PCB board on the backlight shell, be provided with the polylith mounting panel on the backlight shell, be provided with on the mounting panel and correspond the recess with the lug, lug and recess grafting cooperation are provided with the locking subassembly that is used for locking and unblock lug between lug and the recess. The backlight shell is additionally provided with a plurality of mounting plates, the PCB is provided with a convex block, the mounting grooves are provided with grooves, the convex block is matched with the grooves in an inserted mode, the convex block is locked by the locking assembly, the PCB is convenient to mount, when the PCB needs to be dismounted, the locking assembly is unlocked, the positioning rod is separated from the mounting plates, the convex block is separated from the grooves, and the LED can be dismounted.

Description

High-strength LED backlight source structure

Technical Field

The application relates to the field of LED backlight equipment, in particular to a high-strength LED backlight source structure.

Background

The LED backlight source is widely applied, the LED backlight source is required to have high-strength characteristic for being suitable for using the LE backlight source on some equipment with severe operating environment, the common high-strength LED backlight source mainly comprises a PCB substrate and LED lamp beads, a plurality of LEDs and the like are installed on the PCB in a common LED backlight source manufacturing mode, and then the plurality of PCB boards are installed on the backlight shell through bolts or glue.

In view of the above-mentioned related art, the inventor believes that the installation of a plurality of PCBs on a base by using bolts or glue is inconvenient, and when one of the PCBs is damaged, the PCB needs to be disassembled by using a tool, so that the PCB is inconvenient to repair.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the installation and the dismantlement of PCB board, this application provides a high strength LED backlight structure.

The application provides a high strength LED backlight structure adopts following technical scheme:

the utility model provides a high strength LED backlight structure, includes the backlight shell and sets up the PCB board on the backlight shell, a lateral wall of PCB board is provided with a plurality of LED lamp pearls, be provided with the polylith mounting panel on the backlight shell, be provided with on the mounting panel and correspond the recess with the lug, the lug with the cooperation of pegging graft of recess, the lug with be provided with between the recess and be used for locking and unblock the locking subassembly of lug.

Through adopting above-mentioned technical scheme, add the polylith mounting panel on the shell of being shaded, be provided with the lug on the PCB board, be provided with the recess on the mounting groove, lug and recess grafting cooperation utilize the closure subassembly to lock the lug, the PCB board installation of being convenient for from this, when the PCB board is dismantled to needs, unblock closure subassembly makes the locating lever break away from the mounting panel to make the lug break away from the recess, the PCB board can be dismantled, and is simple and convenient.

Preferably, the locking assembly comprises a positioning rod and two elastic clamping blocks, the two elastic clamping blocks are respectively arranged on the positioning rod, clamping holes corresponding to the elastic clamping blocks are formed in the mounting plate, the elastic clamping blocks are clamped and matched with the corresponding clamping holes, and the positioning rod abuts against the mounting plate.

Through adopting above-mentioned technical scheme, elasticity fixture block and card hole joint cooperation make the stable fixing of locating lever on the mounting panel, and the locating lever blocks that the lug makes the lug be difficult for breaking away from in the recess to make the lug fix in the recess.

Preferably, be provided with the inserted bar on the locating lever, just the inserted bar is located two between the elasticity fixture block, be provided with the through-hole on the lug, the recess tank bottom is provided with the jack, works as the locating lever contradict in during the mounting panel, the inserted bar runs through the through-hole and with the cooperation of pegging graft of jack.

Through adopting above-mentioned technical scheme, the inserted bar runs through the through-hole and has played the positioning action with the cooperation of pegging graft of jack to the lug for the lug is difficult for the skew to walk the position.

Preferably, the end of the inserted link inserted into the insertion hole and the bottom of the insertion hole are respectively provided with magnet pieces which attract each other.

Through adopting above-mentioned technical scheme, the stability between magnet piece's setting reinforcing inserted bar and the jack makes the inserted bar be difficult for breaking away from in the jack.

Preferably, a rubber convex strip is arranged between the PCB and the mounting plate.

Through adopting above-mentioned technical scheme, when the PCB board received the extrusion, the deformation took place for the rubber sand grip, had played the buffering guard action to the PCB board.

Preferably, both side walls of the backlight shell are provided with a plurality of heat dissipation holes.

Through adopting above-mentioned technical scheme, the louvre be provided with help in PCB board during operation heat dissipation capacity.

Preferably, a dust screen is detachably connected to the heat dissipation holes.

Through adopting above-mentioned technical scheme, the setting of dust screen can effectually prevent that the dust from influencing PCB board work in the heat dissipation gets into the shell.

Preferably, the positioning rod is provided with a poking hole.

Through adopting above-mentioned technical scheme, the setting of dialling the hole is convenient for people and dials the locating lever, makes the location dismantle.

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

1. the backlight shell is additionally provided with a plurality of mounting plates, the PCB is provided with a convex block, the mounting grooves are provided with grooves, the convex block is in inserted fit with the grooves, and the convex block is locked by the locking component, so that the PCB is convenient to mount;

2. the elastic clamping block is clamped and matched with the clamping hole, so that the positioning rod is stably fixed on the mounting plate, and the positioning rod blocks the lug to ensure that the lug is not easy to separate from the groove, so that the lug is fixed in the groove;

3. the inserted bar penetrates through the through hole and is in splicing fit with the jack, so that the convex block is not easy to deviate and move.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic diagram of an assembly relationship between a PCB board and a mounting board according to an embodiment of the present application;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

fig. 5 is an enlarged view of a portion C in fig. 2.

Description of reference numerals: 1. a backlight housing; 2. a PCB board; 3. an LED lamp; 4. mounting a plate; 5. a bump; 6. a groove; 7. a locking assembly; 71. positioning a rod; 72. an elastic clamping block; 8. a clamping hole; 9. inserting a rod; 10. a through hole; 11. a jack; 12. a magnet piece; 13. rubber convex strips; 14. heat dissipation holes; 15. a first magic tape; 16. a second magic tape; 17. a dust screen; 18. a reflector; 19. a masking paper; 20. and (4) poking holes.

Detailed Description

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

The embodiment of the application discloses a high-strength LED backlight source structure. Referring to fig. 1 and 2, a high-intensity LED backlight structure includes a backlight housing 1 and a plurality of PCB boards 2 disposed on the backlight housing 1. And many PCB boards 2 set up along the width direction of shell 1 in a poor light, and 3 pearls of a plurality of LED lamps are installed to one side surface of each PCB board 2, and the length direction setting of the PCB board 2 that just a plurality of LED lamps 3 pearls follow corresponds. In order to enhance the brightness of the LED lamp 3 beads, a reflector 18 is arranged in the backlight shell 1.

Referring to fig. 2 and 3, two mounting plates 4 are disposed in the backlight housing 1, and the two mounting plates 4 are respectively and fixedly mounted on two sides of the backlight housing 1 along the length direction. The PCB board 2 all is provided with the lug 5 that corresponds with mounting panel 4 quantity along width direction's both sides surface, and two lugs 5 set up along the length direction of PCB board 2. Simultaneously, each mounting panel 4 is close to one side surface of PCB board 2 and has been seted up and correspond recess 6 with lug 5, and lug 5 is pegged graft with recess 6 and is cooperated, carries out preliminary location to PCB board 2 from this.

Between each projection 5 and the corresponding recess 6, a locking assembly 7 for locking and unlocking the projection 5 is arranged. In the present embodiment, the locking assembly 7 includes a positioning rod 71 and two elastic latches 72. The two elastic blocks 72 are respectively welded on one side surface of the positioning rod 71 close to the mounting plate 4, and the two elastic blocks 72 are respectively located at two ends of the positioning rod 71 in the length direction. Correspondingly, the mounting plate 4 is provided with clamping holes 8 corresponding to the elastic clamping blocks 72, and the two clamping holes 8 are respectively positioned at two ends of the notch of the groove 6. The elastic clamping block 72 is clamped and matched with the corresponding clamping hole 8, the positioning rod 71 abuts against the mounting plate 4, and at the moment, the positioning rod 71 abuts against the lug 5 tightly, so that the lug 5 is not easy to separate from the groove 6. In order to facilitate the poking of the positioning rod 71, a poking hole 20 is formed in one end of the positioning rod 71, which is far away from the mounting strip.

Referring to fig. 3 and 4, an insertion rod 9 is welded on the surface of one side of the positioning rod 71 close to the mounting plate 4, and the insertion block is located between two elastic clamping blocks 72. Meanwhile, a through hole 10 is formed in the projection 5 in a penetrating manner, a jack 11 corresponding to the insertion rod 9 is formed in the bottom of the groove 6, and when the positioning rod 71 abuts against the mounting plate 4, the insertion rod 9 penetrates through the through hole 10 and is in insertion fit with the jack 11. In addition, in order to enhance the stability between the insertion rod 9 and the insertion hole 11, the end of the insertion rod 9 inserted into the insertion hole 11 and the bottom of the insertion hole 11 are respectively provided with magnet pieces 12 which are adhered to each other.

It should be explained that, in order to play the cushioning protection effect to PCB board 2, be provided with rubber sand grip 13 between PCB board 2 and the mounting panel 4, and the one end of rubber sand grip 13 bonds on mounting panel 4, and the other end gets inconsistent with PCB board 2, when receiving PCB board 2 and receiving the extrusion, rubber sand grip 13 can take place deformation owing to have elasticity to play certain cushioning effect to PCB board 2, reduce the damage of PCB board 2.

Referring to fig. 5, a plurality of heat dissipation holes 14 are formed in both side walls of the backlight housing 1, and in this embodiment, four heat dissipation holes 14 are formed in both side walls of the backlight housing 1 in the length direction, so as to dissipate heat from the PCB 2. The dust screen 17 is detachably connected to the heat dissipation holes 14, round holes are formed in the circumferential direction of the hole openings of the heat dissipation holes 14, and the round holes are coaxially arranged and communicated with the heat dissipation holes 14. In this embodiment, the dust screen 17 is circular setting, and the edge circumference of dust screen 17 has sewed up first magic subsides 15, and the round hole bottom that corresponds bonds has second magic subsides 16, and first magic subsides 15 and the cooperation of bonding of second magic subsides 16 are convenient for the washing and the change of dust screen 17 from this. In order to prevent the heat dissipation holes 14 from leaking light, the two opposite side walls of the backlight are adhered with light shielding paper 19 for shielding the heat dissipation holes 14.

The implementation principle of the high-strength LED backlight source structure in the embodiment of the application is as follows: set up polylith mounting panel 4 on the shell of being shaded 1, be provided with lug 5 on PCB board 2, be provided with recess 6 on the mounting groove, lug 5 and recess 6 cooperation of pegging graft utilize locking subassembly 7 to lock lug 5, the PCB board 2 installation of being convenient for from this, when PCB board 2 needs to be dismantled, unblock locking subassembly 7 makes locating lever 71 break away from mounting panel 4 to make lug 5 break away from recess 6, LED can dismantle.

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

Claims

1. The utility model provides a high strength LED backlight structure, includes backlight shell (1) and sets up PCB board (2) on backlight shell (1), a lateral wall of PCB board (2) is provided with a plurality of LED lamp (3) pearls, its characterized in that: be provided with polylith mounting panel (4) on backlight shell (1), be provided with on mounting panel (4) and correspond recess (6) with lug (5), lug (5) with recess (6) are pegged graft and are cooperated, lug (5) with be provided with between recess (6) and be used for locking and unblock locking subassembly (7) of lug (5).

2. A high intensity LED backlight structure as claimed in claim 1, wherein: the locking assembly (7) comprises a positioning rod (71) and two elastic clamping blocks (72), the two elastic clamping blocks (72) are respectively arranged on the positioning rod (71), clamping holes (8) corresponding to the elastic clamping blocks (72) are formed in the mounting plate (4), the elastic clamping blocks (72) are in clamping fit with the corresponding clamping holes (8), and the positioning rod (71) abuts against the mounting plate (4).

3. A high intensity LED backlight structure as claimed in claim 2, wherein: be provided with inserted bar (9) on locating lever (71), just inserted bar (9) are located two between elasticity fixture block (72), be provided with through-hole (10) on lug (5), recess (6) tank bottom is provided with jack (11), works as locating lever (71) contradict in during mounting panel (4), inserted bar (9) run through-hole (10) and with jack (11) are pegged graft and are cooperated.

4. A high intensity LED backlight structure as claimed in claim 3, wherein: one end of the inserted rod (9) inserted into the insertion hole (11) and the hole bottom of the insertion hole (11) are respectively provided with a magnet piece (12) which are mutually attracted.

5. A high intensity LED backlight structure as claimed in claim 1, wherein: and a rubber convex strip (13) is arranged between the PCB (2) and the mounting plate (4).

6. A high intensity LED backlight structure as claimed in claim 1, wherein: and a plurality of heat dissipation holes (14) are formed in two side walls of the backlight shell (1).

7. A high intensity LED backlight structure as claimed in claim 6, wherein: the dust screen (17) is detachably connected in the heat dissipation hole (14).

8. A high intensity LED backlight structure as claimed in claim 2, wherein: the positioning rod (71) is provided with a poking hole (20).