CN213581669U

CN213581669U - Backlight convenient to change and clean

Info

Publication number: CN213581669U
Application number: CN202022281152.7U
Authority: CN
Inventors: 黎志强
Original assignee: Shenzhen Huahongwei Electronics Co ltd
Current assignee: Shenzhen Huahongwei Electronics Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-29
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a backlight convenient to change and clean, including the mounting bracket in a poor light, open at mounting bracket upper end middle part in a poor light has the mounting groove of break-over, mounting bracket lower extreme fixedly connected with thrust unit is shaded, it has the light trap to open at mounting bracket front end middle part in a poor light, light trap inner wall fixedly connected with anti-dazzling screen, mounting bracket upper end left part and upper end right part in a poor light all open the spread groove, mounting bracket upper end activity interlude in a poor light is connected with locking device, and locking device lower part activity interlude connects in two spread grooves, locking device activity joint has the backlight, and backlight lower extreme activity interlude connects in the mounting groove, mounting bracket left end fixedly connected with cleaning device in a. A be convenient for change and clear backlight, through setting up thrust unit and locking device, can release the backlight fast and change when the backlight damages, save the time of dismantling.

Description

Backlight convenient to change and clean

Technical Field

The utility model relates to a backlight technical field, in particular to backlight convenient to change and clean.

Background

The backlight is a light source behind the liquid crystal display, and its luminous effect directly influences liquid crystal display's visual effect, and the use of backlight is very extensive, because the frequency of utilization of backlight is higher for some troubles appear easily in the backlight, and the speed of the time of troubleshooting, just directly influence visual monitoring equipment's production efficiency, current backlight has following drawback when using: 1. the existing backlight source is usually bonded on a fixing plate through a fixing glue, so that the backlight source is not easy to be rapidly disassembled and replaced once being damaged; 2. when the backlight source is used, dust is easily adsorbed on the surface of the backlight source, and the dust cannot be timely cleaned and accumulated, so that the light-emitting effect of the backlight source is easily influenced, and even the backlight source is damaged.

Disclosure of Invention

A primary object of the present invention is to provide a backlight source convenient for replacement and cleaning, which can effectively solve the problems in the background art.

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

the utility model provides a backlight convenient to change and clear, includes the mounting bracket in a poor light, open the mounting bracket upper end middle part in a poor light has the mounting groove of break-over, mounting bracket lower extreme fixedly connected with thrust unit is shaded, it has the light trap to open at mounting bracket front end middle part in a poor light, light trap inner wall fixedly connected with anti-dazzling screen, the mounting bracket upper end left part and the upper end right part in a poor light all open the spread groove, mounting bracket upper end activity interlude in a poor light is connected with locking device, and locking device lower part activity interlude connects in two spread grooves, locking device activity joint has the backlight, and backlight lower extreme activity interlude connects in the mounting groove, mounting bracket left end.

Preferably, thrust unit includes the bottom plate, open at bottom plate upper end middle part has the compression groove, the equal fixedly connected with spring in compression groove upper end left part and upper end right part, two the common fixedly connected with bearing plate in spring upper end, bearing plate upper end is opened has the spacing groove, bottom plate upper end fixed connection is at the mounting bracket lower extreme that is shaded.

Preferably, locking device includes the locking plate, locking plate lower extreme middle part fixed connection elastic buffer, locking plate upper end left part and the equal activity interlude of upper end right part are connected with the connecting pin, two the equal fixedly connected with fixture block of connecting pin lower extreme, two the equal activity interlude of fixture block is connected in two spread grooves, elastic buffer lower extreme activity interlude is connected with the backlight.

Preferably, the elastic cushion pad is tightly attached to the inner groove wall of the mounting groove, and the lower end of the locking plate is tightly attached to the upper end of the backlight mounting frame.

Preferably, cleaning device is including fixed box, open fixed box front end has the sliding tray, fixed box upper end activity interlude is connected with the threaded rod, and threaded rod lower extreme activity interlude connects cell wall under the sliding tray, threaded rod upper end fixedly connected with knob, threaded rod surface middle part activity interlude is connected with the slider, slider front end fixedly connected with cleaning rod, cleaning rod rear end right part fixedly connected with brush, fixed box right-hand member regulation is connected at the mounting bracket left end that is shaded.

Preferably, the slider is tightly attached to the groove walls on the left side and the right side of the sliding groove, the brush is located right ahead of the light transmitting opening, the rear end of the brush is tightly attached to the front end of the backlight source, and the left part of the rear end of the sweeping rod is not in contact with the front end of the backlight installation frame.

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

1. the utility model discloses in, through being provided with thrust unit and locking device, when the backlight that needs were dismantled, rotate the connecting pin for fixture block and spread groove coincidence, under the spring action of spring, the bearing plate promotes the backlight and upwards plays, pulls out elastic buffer pad and backlight together again, can accomplish the quick dismantlement and the change of backlight.

2. The utility model discloses in, through setting up cleaning device, when there is the dust on the source surface in a poor light, rotate the knob to the drive threaded rod rotates, makes slider linkage scavenging lever activity from top to bottom in the sliding tray, makes the brush can clean the source surface in a poor light, detach the dust.

Drawings

Fig. 1 is a schematic view of an overall structure of a backlight source convenient for replacement and cleaning.

Fig. 2 is a schematic view of the overall structure of the pushing device of the backlight source convenient for replacement and cleaning.

Fig. 3 is a schematic view of an overall structure of a locking device of a backlight source convenient for replacement and cleaning.

Fig. 4 is a schematic view of an overall structure of a cleaning device for a backlight source convenient to replace and clean according to the present invention.

In the figure: 1. a backlight mounting block; 2. mounting grooves; 3. a light-transmitting opening; 4. a backlight source; 5. a locking device; 6. connecting grooves; 7. a pushing device; 8. a shading sheet; 9. a cleaning device; 51. a locking plate; 52. an elastic cushion pad; 53. a connecting pin; 54. a clamping block; 71. a base plate; 72. a compression groove; 73. a spring; 74. a pressure bearing plate; 75. a limiting groove; 91. a fixing box; 92. a sliding groove; 93. a threaded rod; 94. a rotation knob; 95. a slider; 96. a cleaning rod; 97. and a brush.

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 to 4, a backlight source convenient for replacement and cleaning comprises a backlight mounting bracket 1, and is characterized in that: open mounting groove 2 that has the break-over in 1 upper end middle part of mounting bracket in a poor light, 1 lower extreme fixedly connected with thrust unit 7 of mounting bracket in a poor light, 1 front end middle part of mounting bracket in a poor light is opened there is

light trap

3, 3 inner wall fixedly connected with anti-dazzling screens 8 of light trap, 1 upper end left part of mounting bracket in a poor light and upper end right part all open spread groove 6, 1 upper end activity interlude of mounting bracket in a poor light is connected with

locking device

5, and 5 lower part activity interlude of locking device are connected in two

spread grooves

6, 5 activity joints of locking device have

backlight

4, and 4 lower extreme activity interlude of backlight are connected in mounting groove 2, 1 left end.

The pushing device 7 comprises a bottom plate 71, a compression groove 72 is formed in the middle of the upper end of the bottom plate 71, springs 73 are fixedly connected to the left portion of the upper end and the right portion of the upper end of the compression groove 72, a bearing plate 74 is fixedly connected to the upper ends of the two springs 73, a limiting groove 75 is formed in the upper end of the bearing plate 74 and can fixedly clamp the backlight source 4, the upper end of the bottom plate 71 is fixedly connected to the lower end of the backlight mounting frame 1, the locking device 5 comprises a locking plate 51, an elastic cushion pad 52 is fixedly connected to the middle of the lower end of the locking plate 51, a connecting pin 53 is movably and alternately connected to the left portion of the upper end and the right portion of the upper end of the locking plate 51, a clamping block 54 is fixedly connected to the lower end of the two connecting pins 53, the two clamping blocks 54 are movably and alternately connected to the two connecting grooves 6, locking plate 51 lower extreme is hugged closely backlight mounting bracket 1 upper end, cleaning device 9 includes fixing box 91, fixing box 91 front end is opened there is sliding tray 92, fixing box 91 upper end activity interlude is connected with threaded rod 93, and threaded rod 93 lower extreme activity interlude is connected at sliding tray 92 lower wall, threaded rod 93 upper end fixedly connected with knob 94, threaded rod 93 surface middle part activity interlude is connected with slider 95, slider 95 front end fixedly connected with scavenging lever 96, scavenging lever 96 rear end right part fixedly connected with brush 97, fixing box 91 right-hand member regulation is connected at backlight mounting bracket 1 left end, the cell wall of the sliding tray 92 left and right sides is hugged closely to slider 95, prevent that slider 92 from rocking, brush 97 is located the dead ahead of printing opacity 3, and brush 97 rear end hugs closely backlight 4 front ends, scavenging lever 96 rear end left part does not contact with backlight mounting bracket 1 front end.

It should be noted that, the utility model relates to a backlight convenient to change and clean, through setting up the anti-dazzling screen 8, can reduce the light leakage of backlight 4, when dust appears on the surface of backlight 4, rotate knob 94, knob 94 drives threaded rod 93 to rotate, slider 95 threaded connection is at the surface of threaded rod 93, make slider 95 can reciprocate, slider 95 drives cleaning rod 96 and brush 97 to reciprocate, thereby clean the surface of backlight 4, detach the dust, when backlight 4 breaks down, rotate connecting pin 53, drive fixture block 54 and rotate in the lower part of connecting groove 6, the lower part of connecting groove 6 is discoid, the upper portion is the same with fixture block 54 shape, when fixture block 54 and the upper portion of connecting groove 6 coincide, spring 73 moves up under the elastic action, drive bearing plate 74 moves up, thereby make bearing plate 74 pop out backlight 4 and locking device 5 together, thereby accomplished quick dismantlement of backlight 4, after the change, insert elastic buffer pad 52 with new backlight 4 in, put into mounting groove 2 with backlight 4, make the lower extreme joint of backlight 4 advance in spacing groove 75, prevent that it from rocking, continue to push down backlight 4, spring 73 contracts, through setting up elastic buffer pad 52, prevent that backlight 4 from damaging, again with two fixture block 54 joint in spread groove 6 and rotate fixture block 54 and spread groove 6 upper portion become vertical state, thereby install backlight 4 in mounting bracket 1 in being shaded.

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. A backlight convenient to change and clean, includes backlight mounting bracket, its characterized in that: the mounting groove that has the break-over is opened at mounting bracket upper end middle part in a poor light, mounting bracket lower extreme fixedly connected with thrust unit is shaded, it has the light trap to open at mounting bracket front end middle part in a poor light, light trap inner wall fixedly connected with anti-dazzling screen, the mounting bracket upper end left part and the upper end right part in a poor light all open the spread groove, mounting bracket upper end activity interlude in a poor light is connected with locking device, and locking device lower part activity interlude connects in two spread grooves, locking device activity joint has the backlight, and backlight lower extreme activity interlude connects in the mounting groove, mounting bracket left end fixedly connected with cleaning device is.

2. A backlight for ease of replacement and cleaning as recited in claim 1, wherein: thrust unit includes the bottom plate, open at bottom plate upper end middle part has the compression groove, the equal fixedly connected with spring in compression groove upper end left part and upper end right part, two the common fixedly connected with bearing plate in spring upper end, bearing plate upper end is opened has the spacing groove, bottom plate upper end fixed connection is at the mounting bracket lower extreme that is shaded.

3. A backlight for ease of replacement and cleaning as recited in claim 1, wherein: the locking device comprises a locking plate, an elastic cushion pad is fixedly connected to the middle of the lower end of the locking plate, a connecting pin is movably and alternately connected to the left portion of the upper end of the locking plate and the right portion of the upper end of the locking plate, a clamping block is fixedly connected to the lower end of the connecting pin, the clamping block is movably and alternately connected to the two connecting grooves, and a backlight source is movably and alternately connected to the lower end of the elastic cushion pad.

4. A backlight as claimed in claim 3, which is easy to replace and clean, and which comprises: the elastic buffer cushion is tightly attached to the inner groove wall of the mounting groove, and the lower end of the locking plate is tightly attached to the upper end of the backlight mounting rack.

5. A backlight for ease of replacement and cleaning as recited in claim 1, wherein: cleaning device includes fixed box, open fixed box front end has the sliding tray, fixed box upper end activity interlude is connected with the threaded rod, and threaded rod lower extreme activity interlude connects cell wall under the sliding tray, threaded rod upper end fixedly connected with knob, threaded rod surface middle part activity interlude is connected with the slider, slider front end fixedly connected with scavenging lever, scavenging lever rear end right part fixedly connected with brush, fixed box right-hand member regulation is connected at the mounting bracket left end that is shaded.

6. A backlight as claimed in claim 5, which is easy to replace and clean, and which comprises: the slider hugs closely the cell wall of the sliding tray left and right sides, the brush is located the dead ahead of printing opacity mouth, and the backlight front end is hugged closely to the brush rear end, the left part of cleaning rod rear end does not contact with mounting bracket front end in a poor light.