CN213986903U

CN213986903U - Ultrathin LED backlight source

Info

Publication number: CN213986903U
Application number: CN202023217144.2U
Authority: CN
Inventors: 黄艺娴; 蒋丽姣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-17
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses an ultra-thin LED backlight, including light guide plate and mainboard, the light guide plate outer lane is provided with the deckle board, the deckle board top is provided with the roof, the roof both ends are provided with adjustable translation push pedal, translation push pedal outside end is provided with the screens straight-bar, the mainboard up end is provided with the flitch in translation push pedal outside position, flitch medial surface corresponds the screens straight-bar and is provided with embedded straight-groove, translation push pedal medial surface is provided with adjustable long branch in roof rear position. An ultra-thin LED backlight belongs to the backlight field, through set up the roof at the deckle board top, utilize two adjustable translation push pedals of roof installation, utilize the translation push pedal to drive the screens straight-bar that links to each other and stretch into embedded straight flute and fix, ensured the stability of LED backlight, promoted dismouting efficiency simultaneously, the later stage of being convenient for overhauls.

Description

Ultrathin LED backlight source

Technical Field

The utility model relates to a teaching equipment field, in particular to ultra-thin LED backlight.

Background

The LED backlight source mainly comprises a light source, a light guide plate, an optical film, a plastic frame plate and the like, and has the characteristics of thin volume, high brightness, long service life, uniform light emission and the like.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an ultra-thin LED backlight source, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an ultra-thin LED backlight, includes light guide plate and mainboard, the light guide plate outer lane is provided with the deckle board, the deckle board top is provided with the roof, the roof both ends are provided with adjustable translation push pedal, translation push pedal outside end is provided with the screens straight-bar, the mainboard up end is provided with the flitch in translation push pedal outside position, flitch medial surface corresponds the screens straight-bar and is provided with embedded straight-groove, translation push pedal medial surface is provided with adjustable long branch in roof rear position.

Preferably, the top plate and the frame plate are fixed through bonding, and anti-slip pads are arranged at the top positions of the front end face and the rear end face of the translation push plate.

Preferably, the bottom positions of the end surfaces of the two sides of the frame plate are provided with fixed plates, the upper end surface of the main plate is provided with a lower pasting plate corresponding to the fixed plates, and the upper end surface of the lower pasting plate is provided with a fixed clamping groove corresponding to the fixed plates.

Preferably, the lower end face of the translation push plate is provided with a rectangular groove corresponding to the top plate, a partition plate is arranged between the inner walls of two sides of the rectangular groove, and the middle of the top plate is provided with a long sliding groove corresponding to the partition plate.

Preferably, translation push pedal medial surface corresponds long branch and is provided with interior circular slot, long branch both ends all stretch into in the circular slot to riser under its bottom is provided with, interior circular slot inner wall corresponds down the riser and is provided with interior spout, interior spout one side inner wall is provided with the additional board, the terminal surface is provided with the fixed column before the additional board, the fixed column head is connected to the interior spout other end.

Preferably, a round hole is formed in the middle of the lower vertical plate and corresponds to the fixing column, the fixing column penetrates through the round hole, a movable ring is arranged on the outer side of the fixing column outer ring at the outer side of the lower vertical plate, a spring is arranged on the outer side end face of the movable ring at the position of the fixing column outer ring, and the other end of the spring is connected to the inner wall of the inner sliding groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through set up the space bar in the rectangle recess, utilize the space bar to slide along long spout, conveniently adjust the position of translation push pedal, terminal surface top position sets up the slipmat around the translation push pedal, conveniently promote the translation push pedal and move, avoid the slippage, through setting up down the riser bottom long branch pole, spout internal motion controls the home range of translation push pedal including the riser under the utilization, avoid droing, through setting up loose ring and spring in the fixed column outer lane, make the translation push pedal can be stable remove to both sides, thereby make the screens straight-bar get into embedded straight flute and fix.

Drawings

Fig. 1 is a side cross-sectional view of an ultra-thin LED backlight of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

In the figure: 1. a light guide plate; 2. a main board; 3. a frame plate; 4. a top plate; 5. translating the push plate; 6. a partition plate; 7. a long chute; 8. a non-slip mat; 9. a fixing plate; 10. a lower pasting plate; 11. fixing the clamping groove; 12. a clamping straight rod; 13. pasting a board; 14. a straight groove is embedded; 15. a long strut; 16. an inner circular groove; 17. a lower vertical plate; 18. an inner chute; 19. an additional plate; 20. fixing a column; 21. a circular hole; 22. a movable ring; 23. a spring; 24. a rectangular groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, an ultra-thin LED backlight source includes a light guide plate 1 and a main board 2, a frame plate 3 is disposed on an outer ring of the light guide plate 1, a top plate 4 is disposed on a top of the frame plate 3, adjustable translation push plates 5 are disposed at two ends of the top plate 4, a clamping straight rod 12 is disposed on an outer end face of the translation push plate 5, an upper attachment plate 13 is disposed on an outer side of the translation push plate 5 on an upper end face of the main board 2, an embedded straight groove 14 is disposed on an inner end face of the upper attachment plate 13 corresponding to the clamping straight rod 12, and an adjustable long support rod 15 is disposed on an inner end face of the translation push plate 5 behind the top plate 4.

In the embodiment, the top plate 4 and the frame plate 3 are fixed by bonding, so that the translation push plate 5 is pushed to move to avoid slipping, and anti-slip pads 8 are arranged at the top positions of the front end surface and the rear end surface of the translation push plate 5;

in this embodiment, in order to fix the bottoms of the light guide plate 1 and the frame plate 3 and avoid deflection, the bottom positions of the end surfaces of both sides of the frame plate 3 are provided with fixing plates 9, the upper end surface of the main plate 2 is provided with a lower pasting plate 10 corresponding to the position of the fixing plate 9, and the upper end surface of the lower pasting plate 10 is provided with a fixing slot 11 corresponding to the fixing plate 9;

in the embodiment, in order to enable the translational push plate 5 to move stably, control the moving range of the translational push plate and avoid sliding out, the lower end surface of the translational push plate 5 is provided with a rectangular groove 24 corresponding to the top plate 4, a partition plate 6 is arranged between the inner walls of two sides of the rectangular groove 24, and the middle part of the top plate 4 is provided with a long sliding groove 7 corresponding to the partition plate 6;

in this embodiment, in order to control the movement range of the long supporting rod 15, an inner circular groove 16 is formed in the end surface of the inner side of the translational push plate 5 corresponding to the long supporting rod 15, both ends of the long supporting rod 15 extend into the inner circular groove 16, a lower vertical plate 17 is arranged at the bottom of the long supporting rod, an inner sliding groove 18 is formed in the inner wall of the inner circular groove 16 corresponding to the lower vertical plate 17, an additional plate 19 is arranged on the inner wall of one side of the inner sliding groove 18, a fixed column 20 is arranged on the front end surface of the additional plate 19, and the head of the fixed column 20 is connected to the other end of the inner sliding groove 18;

in addition, in order to enable the translation push plate 5 to stably drive the clamping straight rod 12 to move outwards and enable the clamping straight rod 12 to stably rebound and reset after adjustment, a round hole 21 is formed in the middle of the lower vertical plate 17 corresponding to the fixing column 20, the fixing column 20 penetrates through the round hole 21, a movable ring 22 is arranged on the outer side of the lower vertical plate 17 on the outer ring of the fixing column 20, a spring 23 is arranged on the outer side end face of the movable ring 22 on the outer ring of the fixing column 20, and the other end of the spring 23 is connected to the inner wall of the inner sliding groove 18.

It should be noted that, the utility model relates to an ultra-thin LED backlight source, in practical use, when the backlight source needs to be dismantled and maintained, find the translation push plate 5 on both sides of the top plate 4, press the anti-slip mat 8 on the surface of the translation push plate 5, then push the translation push plate 5 towards the inner side simultaneously, the translation push plate 5 slides along the long chute 7 through the internal partition plate 6, ensure the stability of the movement, while the translation push plate 5 moves, the opposite inward circular groove 16 bottom of the two ends of the long strut 15 moves, thereby driving the connected lower vertical plate 17 to move, the lower vertical plate 17 slides along the fixed column 20 through the circular hole 21 in the middle part, and extrudes the movable ring 22 on the outer ring of the fixed column 20, thereby the movable ring 22 also slides along the fixed column 20, thereby extrude the connected spring 23, thereby the spring 23 is stressed to generate compression, while the translation push plate 5 moves, the clamping straight rod 12 connected with the outer end face thereof also follows the movement, screens straight-bar 12 is deviate from until totally along the 14 external motion of embedded straight flute, and roof 4 no longer receives and blocks this moment, then can upwards lift up translation push pedal 5 simultaneously, and it rises to drive roof 4 and framed panel 3, makes the fixed plate 9 of framed panel 3 both sides deviate from in fixed slot 11, can be high-efficient stable dismantle the backlight, convenient to overhaul and maintain.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An ultra-thin LED backlight characterized in that: including light guide plate (1) and mainboard (2), light guide plate (1) outer lane is provided with framed panel (3), framed panel (3) top is provided with roof (4), roof (4) both ends are provided with adjustable translation push pedal (5), translation push pedal (5) outside terminal surface is provided with screens straight-bar (12), mainboard (2) up end is provided with flitch (13) in translation push pedal (5) outside position, it corresponds screens straight-bar (12) and is provided with embedded straight flute (14) to go up flitch (13) medial surface, translation push pedal (5) medial surface is provided with adjustable long branch (15) in roof (4) rear position.

2. The ultra-thin LED backlight of claim 1, wherein: the top plate (4) and the frame plate (3) are fixed through bonding, and anti-slip pads (8) are arranged at the top positions of the front end face and the rear end face of the translation push plate (5).

3. The ultra-thin LED backlight of claim 1, wherein: the fixing plate is characterized in that fixing plates (9) are arranged at the bottom of the end faces of the two sides of the frame plate (3), lower flitch plates (10) are arranged at the positions, corresponding to the fixing plates (9), of the upper end faces of the main board (2), and fixing clamping grooves (11) are formed in the upper end faces of the lower flitch plates (10) and corresponding to the fixing plates (9).

4. The ultra-thin LED backlight of claim 1, wherein: the lower end face of the translation push plate (5) is provided with a rectangular groove (24) corresponding to the top plate (4), a partition plate (6) is arranged between the inner walls of two sides of the rectangular groove (24), and the middle of the top plate (4) is provided with a long sliding groove (7) corresponding to the partition plate (6).

5. The ultra-thin LED backlight of claim 1, wherein: translation push pedal (5) medial surface corresponds long branch (15) and is provided with interior circular slot (16), long branch (15) both ends all stretch into in circular slot (16) to riser (17) under its bottom is provided with, riser (17) are provided with in circular slot (16) inner wall corresponds down and is provided with in spout (18), interior spout (18) one side inner wall is provided with additional board (19), the terminal surface is provided with fixed column (20) before additional board (19), fixed column (20) head is connected to the in spout (18) other end.

6. The ultra-thin LED backlight of claim 5, wherein: the middle of the lower vertical plate (17) is provided with a round hole (21) corresponding to the fixed column (20), the fixed column (20) penetrates through the round hole (21), a movable ring (22) is arranged on the outer side of the fixed column (20) at the outer side of the lower vertical plate (17), a spring (23) is arranged on the outer side end face of the movable ring (22) at the outer side of the fixed column (20), and the other end of the spring (23) is connected to the inner wall of the inner sliding groove (18).