CN210443199U

CN210443199U - Backlight source for LED display screen of ammeter

Info

Publication number: CN210443199U
Application number: CN201922160565.7U
Authority: CN
Inventors: 李健权; 张培祖; 刘文焕; 周谋兴; 杨荣辉; 李化
Original assignee: Shenzhen Jialude Photoelectric Technology Co Ltd
Current assignee: Shenzhen Jialude Photoelectric Technology Co Ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-05-01
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a backlight for ammeter LED display screen, including mount pad and backlight body, first recess has been seted up on the top of mount pad, the backlight body sets up in first recess, the bilateral symmetry of mount pad is equipped with the mounting panel, mounting panel and mount pad fixed connection, a plurality of mounting holes have been seted up on the top of mounting panel, the draw-in groove has been seted up to the top bilateral symmetry of mount pad, one side inner wall and the first recess inner wall of draw-in groove are linked together, be equipped with the fixture block in the draw-in groove, fixture block and backlight body fixed connection, the top bilateral symmetry of backlight body is equipped with the clamp plate, the second recess has been seted up to the top bilateral symmetry of mount pad. A backlight for ammeter LED display screen, do not need use tool, alright with simple convenient installation and the dismantlement of completion backlight body, improved the convenience to and the heat dissipation of the backlight body bottom of being convenient for.

Description

Backlight source for LED display screen of ammeter

Technical Field

The utility model relates to a LED display screen spare part field, in particular to a backlight for ammeter LED display screen.

Background

The LED electronic display screen integrates the microelectronic technology, the computer technology and the information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like. The LED display screen is widely applied to commercial media, cultural performance markets, stadiums, information dissemination, news distribution, security trading and the like, and can meet the requirements of different environments. The backlight is as the indispensable light source of LED display screen, and its performance influences the luminance and the definition of display screen, and consequently the backlight obtains constantly researching and developing and improves, and current LED display screen backlight for the ammeter is fixed through bolt and mainboard usually, and installation procedure is too loaded down with trivial details, still needs the use tools just can install, the in-service use of not being convenient for.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a backlight for an electric meter LED display screen, which can effectively solve the problems of the background art.

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

a backlight source for an LED display screen of an electric meter comprises a mounting seat and a backlight source body, wherein a first groove is formed in the top end of the mounting seat, the backlight source body is arranged in the first groove, mounting plates are symmetrically arranged on two sides of the mounting seat and are fixedly connected with the mounting seat, a plurality of mounting holes are formed in the top end of each mounting plate, clamping grooves are symmetrically formed in two sides of the top end of the mounting seat, one inner wall of each clamping groove is communicated with the inner wall of the corresponding first groove, clamping blocks are arranged in the clamping grooves and are fixedly connected with the backlight source body, pressing plates are symmetrically arranged on two sides of the top end of the backlight source body, second grooves are symmetrically formed in two sides of the top end of the mounting seat, movable plates are arranged in the second grooves, the top ends of the movable plates extend to the outer parts of the second, the movable plate is connected with the second groove through an elastic mechanism.

Preferably, the elastic mechanism comprises a plurality of symmetrical limiting sliding grooves formed in the inner walls of the two sides of the second groove, limiting sliding blocks are arranged in the limiting sliding grooves and fixedly connected with the movable plate, and the bottom end of the movable plate is connected with the inner wall of the bottom end of the second groove through a plurality of first springs.

Preferably, canceling release mechanical system includes a plurality of through-holes of seting up in fly leaf one side, one side that the clamp plate was kept away from to the fly leaf is equipped with the limiting plate, be equipped with the movable rod in the through-hole, the one end and the clamp plate fixed connection of movable rod, the other end and the limiting plate fixed connection of movable rod, the outside cover of movable rod is equipped with the second spring that is located between limiting plate and the fly leaf.

Preferably, two ends of the second spring are respectively and fixedly connected with the movable plate and the limiting plate.

Preferably, the bottom end of the pressing plate is fixedly connected with a first elastic pad, and the first elastic pad is in contact with the backlight source body.

Preferably, the inner wall of the bottom end of the first groove is provided with heat dissipation holes, the bottom end of the mounting seat is fixedly connected with a plurality of support columns, and the bottom end of each support column is fixedly connected with a second elastic cushion.

Compared with the prior art, the utility model discloses following beneficial effect has: through the cooperation that sets up draw-in groove, fixture block, clamp plate, second recess, fly leaf, elastic mechanism and canceling release mechanical system, need not use tools, alright with simple convenient installation and the dismantlement of completion backlight body, improved the convenience, through the cooperation that sets up support column, louvre and second cushion, the heat dissipation of backlight body bottom of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of a backlight source for an LED display screen of an electricity meter according to the present invention;

FIG. 2 is a top view of a backlight for an LED display screen of an electricity meter according to the present invention;

FIG. 3 is a cross-sectional side view of a backlight for an LED display screen of an electricity meter according to the present invention;

fig. 4 is a partially enlarged schematic view of a portion a of fig. 3.

In the figure: 1. a mounting seat; 2. a first groove; 3. a backlight source body; 4. a card slot; 5. a clamping block; 6. mounting a plate; 7. a support pillar; 8. pressing a plate; 9. a second groove; 10. a movable plate; 11. a first spring; 12. a limiting chute; 13. a limiting slide block; 14. a through hole; 15. a movable rod; 16. a limiting plate; 17. a second spring; 18. a first elastic pad; 19. mounting holes; 20. a second elastic pad; 21. and (4) heat dissipation holes.

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. 1-4, a backlight source for an LED display screen of an electricity meter comprises a mounting base 1 and a backlight source body 3, a first groove 2 is formed at the top end of the mounting base 1, the backlight source body 3 is disposed in the first groove 2, mounting plates 6 are symmetrically disposed at two sides of the mounting base 1, the mounting plates 6 are fixedly connected with the mounting base 1, a plurality of mounting holes 19 are formed at the top end of the mounting plates 6, clamping grooves 4 are symmetrically formed at two sides of the top end of the mounting base 1, one side inner wall of each clamping groove 4 is communicated with the inner wall of the first groove 2, a clamping block 5 is disposed in each clamping groove 4, each clamping block 5 is fixedly connected with the backlight source body 3, pressing plates 8 are symmetrically disposed at two sides of the top end of the backlight source body 3, second grooves 9 are symmetrically formed at two sides of the top end of the mounting base 1, a movable plate 10 is disposed in each, the movable plate 10 is connected with the second groove 9 through an elastic mechanism;

the elastic mechanism comprises a plurality of limiting sliding grooves 12 symmetrically formed in the inner walls of the two sides of the second groove 9, limiting sliding blocks 13 are arranged in the limiting sliding grooves 12, the limiting sliding blocks 13 are fixedly connected with the movable plate 10, and the bottom end of the movable plate 10 is connected with the inner wall of the bottom end of the second groove 9 through a plurality of first springs 11; the resetting mechanism comprises a plurality of through holes 14 formed in one side of the movable plate 10, a limiting plate 16 is arranged on one side, away from the pressing plate 8, of the movable plate 10, a movable rod 15 is arranged in each through hole 14, one end of each movable rod 15 is fixedly connected with the pressing plate 8, the other end of each movable rod 15 is fixedly connected with the limiting plate 16, and a second spring 17 located between the limiting plate 16 and the movable plate 10 is sleeved outside each movable rod 15; two ends of the second spring 17 are fixedly connected with the movable plate 10 and the limiting plate 16 respectively; the bottom end of the pressing plate 8 is fixedly connected with a first elastic pad 18, and the first elastic pad 18 is in contact with the backlight source body 3; the bottom inner wall of first recess 2 has seted up louvre 21, and the bottom fixedly connected with of mount pad 1 has a plurality of support columns 7, and the bottom fixedly connected with second cushion 20 of support column 7.

It should be noted that, the utility model relates to a backlight source for LED display screen of electricity meter, the mounting base 1 is fixedly mounted with the external main board through the mounting plate 6, when the backlight source body 3 needs to be disassembled, the two pressing plates 8 are pulled upwards, the two pressing plates 8 are driven to be away from each other at the same time, the second spring 17 is in a stretching state, and then the backlight source body 3 in the first groove 2 is taken out, and when the new backlight source body 3 needs to be installed, the two pressing plates 8 are pulled upwards, the two pressing plates 8 are driven to be away from each other at the same time, the second spring 17 is in a stretching state, and the clamping block 5 is aligned to the clamping groove 4 at the same time, so that the backlight source body 3 is placed in the first groove 2, through the matching of the clamping groove 4 and the clamping block 5, the position of the backlight source body 3 is limited, and then the pressing plates 8 are loosened, the, simultaneously through the elasticity of first spring 11, fly leaf 10 moves towards second recess 9, and then movable rod 15 drives clamp plate 8 and presses backlight body 3, contact surface through first cushion 18 protection backlight body 3 and clamp plate 8, and then do not need the use of tools, alright with simple convenient installation and the dismantlement of completion backlight body 3, the convenience has been improved, through spacing slider 13, prevent fly leaf 10 roll-off second recess 9, make through support column 7 and leave the gap between mount pad 1 and the outside mainboard, and then through louvre 21, be convenient for the heat dissipation of backlight body 3 bottom.

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. The utility model provides a backlight for ammeter LED display screen which characterized in that: comprises a mounting seat (1) and a backlight body (3), wherein a first groove (2) is formed in the top end of the mounting seat (1), the backlight body (3) is arranged in the first groove (2), mounting plates (6) are symmetrically arranged on two sides of the mounting seat (1), the mounting plates (6) are fixedly connected with the mounting seat (1), a plurality of mounting holes (19) are formed in the top end of the mounting plates (6), clamping grooves (4) are symmetrically formed in two sides of the top end of the mounting seat (1), one inner wall of each clamping groove (4) is communicated with the inner wall of the corresponding first groove (2), clamping blocks (5) are arranged in the clamping grooves (4), the clamping blocks (5) are fixedly connected with the backlight body (3), pressing plates (8) are symmetrically arranged on two sides of the top end of the backlight body (3), second grooves (9) are symmetrically formed in two sides of the top end of the mounting seat (1), a movable plate (10) is arranged in the second groove (9), the top end of the movable plate (10) extends to the outside of the second groove (9), the movable plate (10) is connected with the pressing plate (8) through a resetting mechanism, and the movable plate (10) is connected with the second groove (9) through an elastic mechanism.

2. The backlight source for the LED display screen of the electric meter of claim 1, wherein: elastic mechanism includes that a plurality of symmetries are seted up in spacing spout (12) of second recess (9) both sides inner wall, be equipped with limiting slide block (13) in spacing spout (12), limiting slide block (13) and fly leaf (10) fixed connection, the bottom of fly leaf (10) is connected through a plurality of first springs (11) with the bottom inner wall of second recess (9).

3. The backlight source for the LED display screen of the electric meter of claim 1, wherein: canceling release mechanical system includes a plurality of through-holes (14) of seting up in fly leaf (10) one side, one side that clamp plate (8) were kept away from in fly leaf (10) is equipped with limiting plate (16), be equipped with movable rod (15) in through-hole (14), the one end and clamp plate (8) fixed connection of movable rod (15), the other end and limiting plate (16) fixed connection of movable rod (15), the outside cover of movable rod (15) is equipped with second spring (17) that are located between limiting plate (16) and fly leaf (10).

4. The backlight source for the LED display screen of the electric meter of claim 3, wherein: and two ends of the second spring (17) are respectively and fixedly connected with the movable plate (10) and the limiting plate (16).

5. The backlight source for the LED display screen of the electric meter of claim 1, wherein: the bottom end of the pressing plate (8) is fixedly connected with a first elastic pad (18), and the first elastic pad (18) is in contact with the backlight source body (3).

6. The backlight source for the LED display screen of the electric meter of claim 1, wherein: the heat dissipation hole (21) has been seted up to the bottom inner wall of first recess (2), a plurality of support columns (7) of bottom fixedly connected with of mount pad (1), just the bottom fixedly connected with second cushion (20) of support column (7).