CN213092075U

CN213092075U - Adjustable backlight source

Info

Publication number: CN213092075U
Application number: CN202021846662.8U
Authority: CN
Inventors: 黄李锋
Original assignee: Shenzhen Baishijia Industrial Co ltd
Current assignee: Shenzhen Baishijia Industrial Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-30
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a backlight with adjustable, comprising a base plate, bottom plate right-hand member fixed mounting has the display screen installed part, open the bottom plate upper end has two horizontal spouts, two the inside equal slidable mounting of spout has the slider, two the common fixed mounting of slider upper end has backlight spare and adjusting device, backlight spare front end fixed mounting has four equidistant distribution's brightness button, the mounting hole has all been opened in the adjusting device four corners. The utility model discloses an adjustable backlight, can adjust the irradiation range and the illumination luminance of backlight body through adjusting device and luminance button to realize the detection to the display effect of display screen, avoid the function singleness of backlight; the springs in the mounting grooves can realize mounting of display screens with different sizes, so that mounting is convenient; the rubber pad can buffer and protect the display screen to prevent the display screen from being damaged, so that the backlight source has an installation protection function on the display screen.

Description

Adjustable backlight source

Technical Field

The utility model relates to a backlight technical field, in particular to backlight with adjustable.

Background

The existing backlight source equipment is widely applied to display screens, the backlight source is a light source positioned at the back of the liquid crystal display and used for providing a light source for a liquid crystal display module, and the existing backlight source device often has the following problems in the installation and use processes: 1. the existing backlight is mostly installed in a fixed mode, so that the backlight can only be used as light source providing equipment and has a single function; 2. when the existing backlight source and the display screen are installed, the display screen is extremely easy to damage, and the display screens with different sizes are not convenient to install, so that the installation is inconvenient.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an adjustable 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 a backlight with adjustable, includes the bottom plate, bottom plate right-hand member fixed mounting has the display screen installed part, open the bottom plate upper end has two horizontal spouts, two the spout right-hand member all contacts with display screen installed part left end, two the inside equal slidable mounting of spout has a slider, two the common fixed mounting in slider upper end has backlight spare and adjusting device, backlight spare right-hand member and adjusting device left end fixed connection, backlight spare lower extreme left side and bottom plate upper end left side fixed connection, backlight spare front end fixed mounting has four equidistant distribution's brightness button, the mounting hole has all been opened in the adjusting device four corners.

Preferably, adjusting device includes the adjusting frame, the equal fixed mounting in adjusting frame upper portion and adjusting frame lower part has the slide rail, the inside equal slidable mounting of slide rail has two light screens, the fixed slot has all been opened at adjusting frame front portion and adjusting frame rear portion, the inside equal fixed mounting of fixed slot has No. two cylinders, No. two push rods of the equal fixedly connected with of No. two cylinder output, No. two push rods keep away from one side of No. two cylinders respectively with two light screens keep away from one side fixed connection of slide rail.

Preferably, the lower end of the adjusting frame is fixedly connected with the upper end of the sliding block, the left end of the adjusting frame is fixedly connected with the right end of the backlight component, and the mounting holes are respectively located at four corners of the adjusting frame.

Preferably, the backlight source piece includes a cylinder, a push rod of cylinder output end fixed mounting, a push rod right-hand member fixedly connected with base plate, base plate right-hand member middle part is inlayed and is equipped with the backlight body.

Preferably, the backlight body is of a rectangular structure, the substrate is electrically connected with the backlight body, the substrate is electrically connected with the four brightness buttons respectively, the lower end of the first air cylinder is fixedly connected with the upper end of the bottom plate, and the lower end of the substrate is fixedly connected with the upper end of the sliding block.

Preferably, the display screen installed part upper end is opened there is the mounting groove, the equal fixed mounting of mounting groove left end lateral wall and mounting groove right-hand member lateral wall has a plurality of equidistant distribution's clamping piece, and is a plurality of the clamping piece includes the spring, the equal fixed mounting of one side that the mounting groove lateral wall was kept away from to the spring has the rubber pad.

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

(1) the utility model discloses in, drive the light screen along the slide rail motion on No. two push rods through No. two cylinders to carry out the size to the irradiation range of backlight body and adjust, thereby adjust luminance knob carries out the regulation of different luminance to the backlight body simultaneously, can avoid appearing the phenomenon that light spills over when realizing that display screen display effect detects, thereby realize the detection to display screen display effect, avoid the function singleness of backlight.

(2) In the utility model, the display screens with different sizes can be installed through the spring in the installation groove, so that the installation is convenient; the rubber pad can buffer and protect the display screen to prevent the display screen from being damaged, so that the backlight source has an installation protection function on the display screen.

Drawings

Fig. 1 is a schematic view of an overall structure of an adjustable backlight according to the present invention;

fig. 2 is a longitudinal sectional view of an adjusting device of an adjustable backlight according to the present invention;

fig. 3 is a schematic structural view of a backlight device of an adjustable backlight according to the present invention;

fig. 4 is a top view of a display screen mounting member of an adjustable backlight according to the present invention.

In the figure: 1. a base plate; 2. a chute; 3. a slider; 4. a display screen mount; 5. a brightness button; 6. a backlight unit; 7. an adjustment device; 8. mounting holes; 41. mounting grooves; 42. a clamping member; 43. a spring; 44. a rubber pad; 61. a first cylinder; 62. a first push rod; 63. a backlight source body; 64. a substrate; 71. an adjusting frame; 72. a slide rail; 73. a second cylinder; 74. a second push rod; 75. a visor; 76. and fixing the grooves.

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, an adjustable backlight source, including

bottom plate

1, 1 right-hand member fixed mounting of bottom plate has display screen installed part 4, open at 1 upper end of bottom plate has two

horizontal spouts

2, 2 right-hand members of two spouts all contact with 4 left ends of display screen installed part, 2 inside equal slidable mounting of two spouts have

slider

3, 3 common fixed mounting in upper end of two sliders have backlight source spare 6 and adjusting

device

7, 6 right-hand members in backlight source spare and 7 left end fixed connection of adjusting device, 6 lower extreme left sides in backlight source spare and 1 upper end left sides fixed connection of bottom plate, 6 front end fixed mounting in backlight source spare have four equidistant distribution's luminance button 5, adjusting device 7 four corners has all opened mounting hole 8.

In order to adjust the irradiation range of the backlight body 63, the adjusting device 7 includes an adjusting frame 71, slide rails 72 are fixedly mounted on the upper portion of the adjusting frame 71 and the lower portion of the adjusting frame 71, two light shielding plates 75 are slidably mounted inside the slide rails 72, fixing grooves 76 are formed in the front portion of the adjusting frame 71 and the rear portion of the adjusting frame 71, a second cylinder 73 is fixedly mounted inside the fixing grooves 76, a second push rod 74 is fixedly connected to the output end of the second cylinder 73, and one side of the second push rod 74 away from the second cylinder 73 is fixedly connected to one side of the two light shielding plates 75 away from the slide rails 72; in order to realize the installation of the adjusting device 7, the lower end of the adjusting frame 71 is fixedly connected with the upper end of the sliding block 3, the left end of the adjusting frame 71 is fixedly connected with the right end of the backlight source part 6, and the installation holes 8 are respectively positioned at four corners of the adjusting frame 71; in order to move the position of the backlight part 6, the backlight part 6 comprises a first air cylinder 61, a first push rod 62 is fixedly installed at the output end of the first air cylinder 61, a base plate 64 is fixedly connected to the right end of the first push rod 62, and a backlight body 63 is embedded in the middle of the right end of the base plate 64; in order to realize the adjustment of the brightness of the backlight source part 6, the backlight source body 63 is in a rectangular structure, the substrate 64 is electrically connected with the backlight source body 63, the substrate 64 is respectively electrically connected with the four brightness buttons 5, the lower end of the first cylinder 61 is fixedly connected with the upper end of the bottom plate 1, and the lower end of the substrate 64 is fixedly connected with the upper end of the sliding block 3; in order to avoid damage to the display screen in the installation process, the upper end of the display screen installation part 4 is provided with an installation groove 41, a plurality of clamping pieces 42 which are distributed at equal intervals are fixedly installed on the left end side wall of the installation groove 41 and the right end side wall of the installation groove 41, each clamping piece 42 comprises a spring 43, and a rubber pad 44 is fixedly installed on one side, away from the side wall of the installation groove 41, of each spring 43.

It should be noted that, the utility model relates to an adjustable backlight source, at first, the display screen is inserted into the mounting groove 41 of the display screen mounting part 4, at this time, the backlight source part 6 and the adjusting device 7 on the first push rod 62 are driven by the first cylinder 61 to move along the sliding groove 2 at the same time, when the adjusting position is proper, the backlight source body 63 on the base plate 64 is lighted when the base plate 64 is electrified, at this time, according to the size of the display screen to be mounted, the second cylinder 73 is started to drive the light screen 75 on the second push rod 74 to move along the sliding rail 72, the irradiation range of the backlight source body 63 is adjusted by the moving light screen 75, when the irradiation range of the backlight source body 63 is proper to the size of the display screen, the driving of the second cylinder 73 is stopped, and the brightness knob is adjusted in sequence, thereby the adjustment of different brightness is performed to the backlight source body 63, the light, therefore, the detection of the display effect of the display screen can be realized, the adjustment of the irradiation range can avoid the phenomenon of light overflow, and the influence on the detection result is avoided; meanwhile, when the display screen needs to be installed, the springs 43 in the installation grooves 41 can be used for installing the display screens with different sizes, and the rubber pads 44 can buffer and protect the display screens to prevent the display screens from being damaged.

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 adjustable backlight source, comprising a base plate (1), characterized in that: bottom plate (1) right-hand member fixed mounting has display screen installed part (4), open bottom plate (1) upper end has two horizontal spout (2), two spout (2) right-hand member all with display screen installed part (4) left end contact, two inside equal slidable mounting of spout (2) has slider (3), two the common fixed mounting in slider (3) upper end has backlight spare (6) and adjusting device (7), backlight spare (6) right-hand member and adjusting device (7) left end fixed connection, backlight spare (6) lower extreme left side and bottom plate (1) upper end left side fixed connection, backlight spare (6) front end fixed mounting has four equidistant distribution's brightness button (5), adjusting device (7) four corners has all opened mounting hole (8).

2. The adjustable backlight of claim 1, wherein: adjusting device (7) are including adjusting frame (71), the equal fixed mounting in adjusting frame (71) upper portion and adjusting frame (71) lower part has slide rail (72), slide rail (72) inside equal slidable mounting has two light screens (75), fixed slot (76) have all been opened at adjusting frame (71) front portion and adjusting frame (71) rear portion, the inside equal fixed mounting of fixed slot (76) has No. two cylinders (73), No. two push rods (74) of the equal fixedly connected with in cylinder (73) output, No. two push rods (74) keep away from one side of No. two cylinders (73) and keep away from one side fixed connection of slide rail (72) with two light screens (75) respectively in one side of keeping away from No. two cylinders (73).

3. The adjustable backlight of claim 2, wherein: the adjusting frame is characterized in that the lower end of the adjusting frame (71) is fixedly connected with the upper end of the sliding block (3), the left end of the adjusting frame (71) is fixedly connected with the right end of the backlight source piece (6), and the mounting holes (8) are respectively located at four corners of the adjusting frame (71).

4. The adjustable backlight of claim 1, wherein: backlight spare (6) are including a cylinder (61), a cylinder (61) output end fixed mounting has push rod (62) No. one, push rod (62) right-hand member fixedly connected with base plate (64), base plate (64) right-hand member middle part is inlayed and is equipped with backlight body (63).

5. The adjustable backlight of claim 4, wherein: the backlight source body (63) is of a rectangular structure, the substrate (64) is electrically connected with the backlight source body (63), the substrate (64) is electrically connected with the four brightness buttons (5) respectively, the lower end of the first air cylinder (61) is fixedly connected with the upper end of the bottom plate (1), and the lower end of the substrate (64) is fixedly connected with the upper end of the sliding block (3).

6. The adjustable backlight of claim 1, wherein: display screen installed part (4) upper end is opened has mounting groove (41), the equal fixed mounting of mounting groove (41) left end lateral wall and mounting groove (41) right-hand member lateral wall has a plurality of equidistant distribution's clamping piece (42), and is a plurality of clamping piece (42) include spring (43), the equal fixed mounting in one side that mounting groove (41) lateral wall was kept away from in spring (43) has rubber pad (44).