CN215910759U

CN215910759U - LED backlight easy to assemble

Info

Publication number: CN215910759U
Application number: CN202121638909.1U
Authority: CN
Inventors: 叶丙洋
Original assignee: Shenzhen Nanshengda Technology Co ltd
Current assignee: Shenzhen Nanshengda Technology Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-02-25
Anticipated expiration: 2031-07-19

Abstract

The utility model provides an LED backlight source convenient to install, which comprises a fixing frame, a heat-conducting silica gel sheet, a protective shell, an installation threaded rod, a compression spring, a butterfly-shaped adjusting nut and an extrusion sheet, wherein the fixing frame is installed on the front end face of the protective shell, the installation threaded rod is symmetrically arranged on the upper side and the lower side of the rear end face of the fixing frame, the butterfly-shaped adjusting nut is meshed on the rear side of the annular side face of the installation threaded rod, the extrusion sheet is attached to the front end face of the butterfly-shaped adjusting nut, and the compression spring is clamped on the front end face of the extrusion sheet.

Description

LED backlight easy to assemble

Technical Field

The utility model discloses an LED backlight source convenient to install, and belongs to the technical field of LED backlight sources.

Background

The backlight source is a light source located behind a Liquid Crystal Display (LCD), and its luminous effect will directly affect the visual effect of the liquid crystal display module (LCM). The liquid crystal display does not emit light itself, and it displays a pattern or its result of modulating light. The backlight source mainly comprises a frame, and an LED backlight source, a light guide plate, an optical film and the like which are arranged in the frame, wherein the LED backlight source is the most important component of the backlight source and is also the most vulnerable component.

Patent documents: CN 212276184U, published Japanese 2021.01.01 discloses an LED backlight easy to assemble, although the sealing strip has been added, the card, clamp the lug, hold between the fingers the piece, the dop, antiskid cover, the locator card pearl, extrusion spring and expansion plate, this design makes the LED backlight more convenient when the dismouting, the inconvenient dismouting of original LED backlight has been solved, lead to the inconvenient problem of maintenance, but the positional stability is not good enough, in case the dop appears droing and just makes the procapsid appear not hard up the condition easily, and the back casing does not have corresponding heat conduction heat radiation structure, make LED backlight board rear end face appear the heat condition of piling up easily, remain to improve in the aspect of the practicality, need an LED backlight easy to assemble now to solve the problem that the aforesaid appears.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the LED backlight source which is convenient to install, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model is realized by the following technical scheme: an LED backlight source convenient to install comprises a fixing frame, a backlight source light guide plate, supporting legs, a fixing piece, an LED backlight source plate body, a heat-conducting silica gel sheet, a protective shell, an installation threaded rod, a compression spring, a butterfly-shaped adjusting nut and an extrusion sheet, an LED backlight source plate body is embedded in the protective shell, a heat-conducting silica gel sheet is attached to the rear end face of the LED backlight source plate body, a fixing frame is arranged on the front end face of the protective shell, a backlight light guide plate is embedded in the rear side of the interior of the fixing frame, mounting threaded rods are symmetrically arranged on the upper side and the lower side of the rear end surface of the fixing frame, butterfly adjusting nuts are meshed on the rear sides of the annular side surfaces of the mounting threaded rods, the front end face of the butterfly-shaped adjusting nut is attached with an extrusion sheet, the front end face of the extrusion sheet is clamped with a compression spring, the protective casing is characterized in that supporting legs are symmetrically welded to the upper end face and the lower end face of the protective casing, and fixing pieces are arranged on the rear sides of the upper end faces of the supporting legs.

Furthermore, the rear end face of the protective shell is provided with a plurality of groups of heat dissipation through holes in an equal-specification mode, the upper side and the lower side of the interior of the protective shell are symmetrically provided with through holes, and the through holes are matched with the mounting threaded rods.

Furthermore, the mounting threaded rods are arranged in two groups according to the same specification, the front end faces of the two groups of mounting threaded rods are connected with the rear end face of the fixing frame in a welding mode, the butterfly adjusting nuts are meshed in two groups according to the same specification, and the compression springs are clamped in two groups according to the same specification.

Further, two sets of are installed to extrusion piece isotatic the terminal surface all has seted up first spacing recess before the extrusion piece, and first spacing recess and compression spring rear end face phase-match, the bilateral symmetry has seted up the spacing recess of second about the protective housing rear end face, and terminal surface phase-match before the spacing recess of second and the compression spring.

Further, the threading chamber has been seted up to the inside intermediate position of heat conduction silica gel piece, the scale such as stationary blade is provided with two sets ofly, and is two sets of the mounting hole has all been seted up to the inside intermediate position of stationary blade.

The utility model has the beneficial effects that: according to the LED backlight source convenient to install, the fixing frame, the heat-conducting silica gel sheet, the protective shell, the installation threaded rod, the compression springs, the butterfly-shaped adjusting nuts and the extrusion sheets are added, the rear end face of the fixing frame is attached to the front end face of the protective shell, meanwhile, the installation threaded rod can be inserted into the through hole, then the two groups of compression springs are respectively sleeved on the rear sides of the annular side faces of the two groups of installation threaded rods, the two groups of extrusion sheets are respectively sleeved on the rear sides of the annular side faces of the two groups of installation threaded rods, then the two groups of butterfly-shaped adjusting nuts are respectively meshed on the rear sides of the annular side faces of the two groups of installation threaded rods by using hands, the compression springs can apply extrusion force to the extrusion sheets, the butterfly-shaped adjusting nuts are extruded by the extrusion sheets, the butterfly-shaped adjusting nuts are prevented from being easily loosened, and accordingly, the phenomenon that the fixing frame is prevented from easily falling off is avoided.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of an LED backlight source convenient to mount according to the present invention;

FIG. 2 is a left sectional view of an LED backlight of the present invention, which is easy to install;

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

in the figure: 1-fixing frame, 2-backlight light guide plate, 3-supporting legs, 4-fixing piece, 41-mounting hole, 5-LED backlight plate body, 6-heat conduction silica gel piece, 61-threading cavity, 7-protective shell, 71-heat dissipation through hole, 8-mounting threaded rod, 9-compression spring, 10-butterfly adjusting nut and 11-extrusion piece.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: an LED backlight source convenient to install comprises a fixing frame 1, a backlight source light guide plate 2, supporting legs 3, a fixing piece 4, an LED backlight source plate body 5, a heat-conducting silica gel sheet 6, a protective shell 7, an installation threaded rod 8, a compression spring 9, butterfly-shaped adjusting nuts 10 and extrusion pieces 11, wherein the LED backlight source plate body 5 is embedded in the protective shell 7, the heat-conducting silica gel sheet 6 is attached to the rear end face of the LED backlight source plate body 5, the fixing frame 1 is installed on the front end face of the protective shell 7, the backlight source light guide plate 2 is embedded in the rear side of the fixing frame 1, the installation threaded rods 8 are symmetrically arranged on the upper side and the lower side of the rear end face of the fixing frame 1, the butterfly-shaped adjusting nuts 10 are meshed on the rear side of the annular side face of each installation threaded rod 8, the extrusion pieces 11 are attached to the front end face of each butterfly-shaped adjusting nut 10, the compression spring 9 is arranged on the front end face of each extrusion piece 11, the supporting legs 3 are symmetrically welded on the upper end face and the lower end face of the protective shell 7, supporting legs 3 up end rear side is provided with stationary blade 4, and the inconvenient installation of original LED backlight has been solved to this design and has been fixed the problem.

The rear end face of the protective shell 7 is provided with multiple groups of heat dissipation through holes 71 with the same specification, the through holes are symmetrically formed in the upper side and the lower side of the interior of the protective shell 7 and are matched with the installation threaded rods 8, the multiple groups of heat dissipation through holes 71 enable the heat dissipation effect of the protective shell 7 to be better, and the through holes are conveniently provided with the threaded rods 8 and penetrate through the interior of the protective shell 7.

The equal-specification check of the installation threaded rod 8 is provided with two sets ofly, the terminal surface all is connected with fixed frame 1 rear end face through welding mode before two sets of installation threaded rod 8, the equal-specification meshing of butterfly adjusting nut 10 has two sets ofly, compression spring 9 equal-specification clamps has two sets ofly, two sets of installation threaded rod 8 and butterfly adjusting nut 10 are convenient fix fixed frame 1 installation terminal surface before protective housing 7, two sets ofly are installed to extrusion piece 11 equal-specification check, first spacing recess is seted up respectively at two sets of extrusion piece 11 preceding terminal surfaces, and first spacing recess and compression spring 9 rear end face phase-match, the both sides about protective housing 7 rear end face are seted up to the spacing recess symmetry of second, and terminal surface phase-match before spacing recess of second and compression spring 9, the skew condition appears in the use in compression spring 9 is avoided to first spacing recess and the spacing recess of second.

Threading chamber 61 is seted up at the inside intermediate position of heat conduction silica gel piece 6, and the specification such as stationary blade 4 is provided with two sets ofly, and mounting hole 41 is seted up respectively at the inside intermediate position of two sets of stationary blades 4, and threading chamber 61 makes things convenient for the external signal line to alternate and carries out electric connection with LED backlight plate body 5 in heat conduction silica gel piece 6 is inside, and mounting hole 41 makes things convenient for external bolt to install fixed 4 to stationary blade.

As an embodiment of the present invention: an installer firstly embeds the LED backlight plate body 5 on the front end surface of the protective shell 7, then embeds the backlight light guide plate 2 on the rear end surface of the fixed frame 1, at the same time, the rear end surface of the fixed frame 1 can be jointed with the front end surface of the protective shell 7, meanwhile, the installation threaded rod 8 can be inserted in the through hole, then two groups of compression springs 9 are respectively sleeved on the rear sides of the annular side surfaces of the two groups of installation threaded rods 8, and two groups of extrusion pieces 11 are respectively sleeved on the rear sides of the annular side surfaces of the two groups of installation threaded rods 8, then the installer respectively engages two groups of butterfly-shaped adjusting nuts 10 on the rear sides of the annular side surfaces of the two groups of installation threaded rods 8 by hands, thereby fixing the two groups of installation threaded rods 8, and the compression springs 9 can apply extrusion force to the extrusion pieces 11, so that the extrusion pieces 11 extrude the butterfly-shaped adjusting nuts 10, thereby avoiding the butterfly-shaped adjusting nuts 10 from easily loosening, thereby avoiding the easy falling-off of the fixing frame 1; in the use process of the LED backlight plate 5, the heat conducting silicone sheet 6 absorbs the heat generated by the rear end face of the LED backlight plate 5 and conducts the heat to the multiple sets of heat dissipating through holes 71, and the multiple sets of heat dissipating through holes 71 dissipate the heat to the outside quickly, thereby preventing the rear end face of the LED backlight plate 5 from generating heat accumulation easily.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a LED backlight easy to assemble, includes fixed frame, backlight light guide plate, supporting legs, stationary blade, LED backlight plate body, heat conduction silica gel piece, protective housing, installation threaded rod, compression spring, butterfly adjusting nut and extrusion piece, its characterized in that: the LED backlight source light guide plate is embedded in the protective shell, a heat-conducting silicon sheet is attached to the rear end face of the LED backlight source plate, a fixed frame is mounted on the front end face of the protective shell, a backlight source light guide plate is embedded in the rear side of the inside of the fixed frame, mounting threaded rods are symmetrically arranged on the upper side and the lower side of the rear end face of the fixed frame, butterfly-shaped adjusting nuts are meshed on the rear sides of annular side faces of the mounting threaded rods, extrusion pieces are attached to the front end faces of the butterfly-shaped adjusting nuts, compression springs are clamped on the front end faces of the extrusion pieces, supporting legs are symmetrically welded on the upper end face and the lower end face of the protective shell, and fixing pieces are arranged on the rear side of the upper end face of the supporting legs.

2. A ready-to-mount LED backlight as recited in claim 1, wherein: the protective shell is characterized in that multiple groups of heat dissipation through holes are formed in the rear end face of the protective shell in an isometric mode, through holes are symmetrically formed in the upper side and the lower side of the interior of the protective shell, and the through holes are matched with the mounting threaded rods.

3. A ready-to-mount LED backlight as recited in claim 1, wherein: the mounting threaded rods are arranged in two groups in an equal-specification mode, the front end faces of the two groups of mounting threaded rods are connected with the rear end face of the fixing frame in a welding mode, the butterfly adjusting nuts are meshed in two groups in an equal-specification mode, and the compression springs are clamped in two groups in an equal-specification mode.

4. A ready-to-mount LED backlight as recited in claim 1, wherein: the equal-specification installation of the extrusion piece is two sets of, two sets of first spacing recess has all been seted up to the terminal surface before the extrusion piece, and first spacing recess and compression spring rear end face phase-match, the bilateral symmetry has seted up the spacing recess of second about the protective housing rear end face, and terminal surface phase-match before the spacing recess of second and the compression spring.

5. A ready-to-mount LED backlight as recited in claim 1, wherein: threading chamber has been seted up to the inside intermediate position of heat conduction silica gel piece, the specification such as stationary blade is provided with two sets ofly, and is two sets of the mounting hole has all been seted up to the inside intermediate position of stationary blade.