CN216622912U - Backlight source with positioning structure - Google Patents

Abstract

The utility model discloses a backlight source with a positioning structure, which relates to the technical field of backlight sources and comprises a backlight source plate main body, wherein mounting long blocks are respectively and fixedly arranged on the outer walls of the lower ends of two sides of the backlight source plate main body, threaded slide blocks are arranged in the inner cavities of the mounting long blocks in a sliding manner, an extrusion component and a clamping component are respectively arranged in the inner cavities of the outer ends of the middle parts of the mounting long blocks, when an operator needs to position and mount the backlight source plate main body, the threaded slide blocks can slide in through sliding holes according to holes formed in a liquid crystal display, after a threaded cylinder is aligned with the holes, a pressing fixture block is pressed down, the pressing fixture block can respectively drive a first fixture block and an inclined rail block to move downwards, and through the arrangement of an inclined sliding groove, the inclined rail block can move towards the direction of the through sliding holes while moving downwards to press the telescopic block, so that the telescopic extrusion block can tightly press the threaded slide blocks, and the second fixture block is clamped with the first fixture block, so that the threaded slide block can be fixed at a preset position all the time.

Description

Backlight source with positioning structure

Technical Field

The utility model relates to the technical field of backlight sources, in particular to a backlight source with a positioning structure.

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.

Present backlight board is when fixing a position the installation, and the installation piece that has the hole on lieing in backlight board both sides outer wall is installed usually, and this kind of mounting means makes backlight board's installation scope limited, only can install on having the LCD with the corresponding hole in installation piece hole, otherwise still need punch in addition and install, be not convenient for use.

In order to solve the problems, the backlight source with the positioning structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a backlight source with a positioning structure, which works by adopting the device, so that the problem that when the backlight source plate in the background is positioned and installed, the backlight source plate is usually installed through an installation block with holes on the outer walls of two sides of the backlight source plate, the installation mode ensures that the installation range of the backlight source plate is limited, the backlight source plate can only be installed on a liquid crystal display with holes corresponding to the holes of the installation block, and otherwise, the backlight source plate needs to be additionally punched for installation, and is inconvenient to use is solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a backlight source with a positioning structure comprises a backlight source plate main body, wherein mounting long blocks are fixedly mounted on the outer walls of the lower ends of two sides of the backlight source plate main body respectively, threaded slide blocks are slidably mounted in the inner cavities of the mounting long blocks, extrusion assemblies and clamping assemblies are arranged in the inner cavities of the outer ends of the middle parts of the mounting long blocks respectively, the clamping assemblies are arranged on the outer sides of the lower ends of the extrusion assemblies, penetrating slide holes are formed in the middle parts of the mounting long blocks, and positioning inner grooves are formed in the inner cavities of the outer sides of the mounting long blocks;

the thread sliding block comprises a square middle block and embedded sliding blocks fixedly installed on the outer walls of the two ends of the square middle block respectively, and a thread cylinder is fixedly installed in the middle inner cavity of the square middle block.

Furthermore, a first square slide way is arranged on the inner side inner wall of the inner cavity of the through slide hole, a second square slide way is arranged on the inner side outer wall of the inner cavity of the through slide hole, the embedded slide blocks positioned at two ends of the square middle block are respectively arranged in the first square slide way and the second square slide way in a sliding mode, and a taking-down through hole is formed in the top surface of the middle of the first square slide way.

Furthermore, a first T-shaped sliding groove is formed in the bottom surface of the outer end of the inner cavity of the positioning inner groove, a second T-shaped sliding groove is formed in the bottom surface of the inner end of the inner cavity of the positioning inner groove, a return spring is mounted on the bottom surface of the middle of the inner cavity of the positioning inner groove, and an extension spring is mounted on the inner wall of the outer end of the inner cavity of the positioning inner groove.

Further, the extrusion subassembly includes pushes down the fixture block and slidable mounting pushes down the flexible piece of extrusion of fixture block lower extreme, and the output end setting of the flexible piece of extrusion is in the square slide of second, and the upper end of pushing down the fixture block is the top surface setting of protrusion installation rectangular block.

Furthermore, the lower pressing fixture block comprises a pressing block and a first fixture block fixedly installed on the bottom surface of one end of the pressing block, inclined rail blocks are respectively and fixedly installed on the bottom surfaces of two sides of the other end of the pressing block, and the upper end portion of the reset spring is installed on the bottom surface of the middle of the pressing block.

Furthermore, an inclined sliding groove is formed in the outer wall of the inner side of the inclined rail block.

Furthermore, the extrusion telescopic block comprises a sliding sleeve and a telescopic extrusion block with one end slidably mounted in the inner cavity of the sliding sleeve, a limiting T-shaped block is fixedly mounted on the bottom surface of one end of the sliding sleeve, and the lower end of the limiting T-shaped block is slidably mounted in a second T-shaped sliding groove.

Furthermore, the outer walls of the two sides of the sliding sleeve are respectively and fixedly provided with a connecting shaft, the connecting shafts are arranged in the inclined sliding grooves in a sliding mode, an extrusion spring is arranged in the inner cavity of the sliding sleeve, and one end of the extrusion spring is arranged on the outer wall of the telescopic extrusion block.

Further, the joint subassembly includes second fixture block and the connection T type slider of fixed mounting on the second fixture block bottom surface, and connects T type slider and slide and set up in first T type spout, and fixed mounting has on one side outer wall of second fixture block to support into the piece, and supports the outer end outer wall setting that the outer end of advancing the piece is the long piece of protrusion installation, and extension spring's one end is installed on the outer wall of second fixture block, and carries out movable joint between second fixture block and the first fixture block.

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

1. when an operator needs to position and install the backlight plate main body, the threaded slide block slides in the through sliding hole according to the hole formed on the liquid crystal display, the threaded cylinder is aligned with the hole, the pressing fixture block is pressed, the pressing fixture block can respectively drive the first fixture block and the inclined rail block to move downwards, the inclined rail block can move downwards while extruding the telescopic block to the direction of the through sliding hole through the arrangement of the inclined sliding groove, so that the threaded slide block can be tightly pressed by the telescopic extruding block, the threaded slide block can be fixed at a preset position all the time by clamping the second fixture block with the first fixture block, the arrangement not only can realize that the backlight plate main body is installed on the liquid crystal display provided with holes with different distances, but also can realize the pre-fixing of the threaded slide block, make things convenient for the later stage to use the screw to install it.

2. According to the backlight source with the positioning structure, when an operator needs to adjust the position of the threaded sliding block in the through sliding hole, the pushing block can be pushed inwards by fingers, the pushing block can drive the second clamping block to move inwards together, so that clamping between the second clamping block and the first clamping block is lost, the telescopic extrusion block can also be separated from the threaded sliding block, and the operator can conveniently adjust the position of the threaded sliding block.

3. According to the backlight source with the positioning structure, the take-down through hole is formed in the top surface of the middle of the first square slide way, the embedded slide block can penetrate through the take-down through hole, so that the embedded slide block can be slidably installed in the through slide hole, and similarly, the threaded slide block in the through slide hole can be taken down through the take-down through hole, so that an operator can install a corresponding number of threaded slide blocks according to use requirements, and the backlight source is convenient and flexible to use.

Drawings

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a cross-sectional view of the mounting bar of the present invention;

FIG. 3 is a cross-sectional view of the positioning inner groove of the present invention;

FIG. 4 is a cross-sectional view of the extrusion and telescoping of the present invention;

FIG. 5 is a cross-sectional view of the press fixture of the present invention;

fig. 6 is a schematic perspective view of the threaded slider of the present invention.

In the figure: 1. a backlight panel body; 2. installing a long block; 21. a sliding hole is penetrated; 211. a first square slideway; 212. a second square slideway; 213. taking down the through hole; 22. positioning the inner groove; 221. a first T-shaped chute; 222. a second T-shaped chute; 223. a return spring; 224. an extension spring; 3. a threaded slider; 31. a square middle block; 32. embedding a sliding block; 33. a threaded barrel; 4. an extrusion assembly; 41. pressing the fixture block downwards; 411. a pressing block; 412. a first clamping block; 413. an inclined rail block; 4131. an inclined chute; 42. extruding the telescopic block; 421. a sliding sleeve; 4211. a connecting shaft; 4212. a compression spring; 422. a limiting T-shaped block; 423. a telescopic extrusion block; 5. a clamping assembly; 51. a second fixture block; 52. a pushing block; 53. and connecting the T-shaped sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 6, a backlight source with a positioning structure includes a backlight source plate body 1, wherein mounting long blocks 2 are respectively and fixedly mounted on outer walls of lower ends of two sides of the backlight source plate body 1, threaded sliders 3 are slidably mounted in inner cavities of the mounting long blocks 2, extrusion components 4 and clamping components 5 are respectively disposed in inner cavities of outer ends of the middle portions of the mounting long blocks 2, the clamping components 5 are disposed outside the lower ends of the extrusion components 4, through sliding holes 21 are disposed in the middle portions of the mounting long blocks 2, positioning inner grooves 22 are disposed in inner cavities of the outer sides of the mounting long blocks 2, the threaded sliders 3 include square middle blocks 31 and embedded sliders 32 respectively and fixedly mounted on outer walls of two ends of the square middle blocks 31, and threaded cylinders 33 are fixedly mounted in inner cavities of the middle portions of the square middle blocks 31.

Referring to fig. 1-3, a backlight with a positioning structure, a first square slide way 211 is disposed on the inner wall of the inner cavity of a through slide hole 21, a second square slide way 212 is disposed on the inner wall of the outer side of the inner cavity of the through slide hole 21, and an embedded slider 32 disposed at both ends of a square middle block 31 is slidably disposed in the first square slide way 211 and the second square slide way 212, respectively, a removing through hole 213 is disposed on the top surface of the middle portion of the first square slide way 211, a first T-shaped slide way 221 is disposed on the bottom surface of the outer end of the inner cavity of a positioning inner groove 22, a second T-shaped slide way 222 is disposed on the bottom surface of the inner end of the inner cavity of the positioning inner groove 22, a return spring 223 is disposed on the bottom surface of the middle portion of the inner cavity of the positioning inner groove 22, an extension spring 224 is disposed on the inner wall of the outer end of the inner cavity of the positioning inner groove 22, a removing through hole 213 is disposed on the top surface of the middle portion of the first square slide way 211, the embedded slider 32 can pass through the removing through hole 213, thereby can realize slidable mounting in running through slide opening 21, and in the same way, the screw slider 3 that is arranged in running through slide opening 21 also can be taken off through taking off through-hole 213, and the operator can install the screw slider 3 of corresponding quantity according to the use needs, and convenient flexibility is got up in the use.

Referring to fig. 1-5, in a backlight with a positioning structure, an extruding assembly 4 includes a downward-pressing fixture block 41 and an extruding telescopic block 42 slidably mounted at a lower end of the downward-pressing fixture block 41, an output end of the extruding telescopic block 42 is disposed in a second square slideway 212, an upper end of the downward-pressing fixture block 41 is disposed to protrude a top surface of a long block 2, the downward-pressing fixture block 41 includes a pressing block 411 and a first fixture block 412 fixedly mounted on a bottom surface of one end of the pressing block 411, oblique rail blocks 413 are respectively and fixedly mounted on bottom surfaces of two sides of the other end of the pressing block 411, an upper end portion of a return spring 223 is mounted on a bottom surface of a middle portion of the pressing block 411, an oblique sliding slot 4131 is disposed on an inner outer wall of the oblique rail block 413, the extruding telescopic block 42 includes a sliding sleeve and a telescopic extruding block 423 with one end slidably mounted in an inner cavity of the sliding sleeve 421, a limit T-shaped block 422 is fixedly mounted on a bottom surface of one end of the sliding sleeve 421, and the lower end of the limiting T-shaped block 422 is slidably mounted on the second T-shaped sliding groove 222, the outer walls of the two sides of the sliding sleeve 421 are respectively and fixedly mounted with a connecting shaft 4211, the connecting shaft 4211 is slidably disposed in the inclined sliding groove 4131, an extrusion spring 4212 is disposed in the inner cavity of the sliding sleeve 421, and one end of the extrusion spring 4212 is mounted on the outer wall of the telescopic extrusion block 423.

Referring to fig. 1, 3 and 5, a backlight source with a positioning structure, wherein a clamping assembly 5 includes a second clamping block 51 and a connecting T-shaped sliding block 53 fixedly installed on a bottom surface of the second clamping block 51, the connecting T-shaped sliding block 53 is slidably installed in a first T-shaped sliding slot 221, a pushing block 52 is fixedly installed on an outer wall of one side of the second clamping block 51, an outer end of the pushing block 52 is protruded from an outer wall of an outer end of an installation long block 2, one end of a tension spring 224 is installed on an outer wall of the second clamping block 51, the second clamping block 51 is movably clamped with the first clamping block 412, when an operator needs to position and install the backlight source plate body 1, the threaded sliding block 3 is slid in a through sliding hole 21 according to a hole formed in a liquid crystal display, after aligning a threaded cylinder 33 with the hole, the lower clamping block 41 is pressed, the lower clamping block 41 drives the first clamping block 412 and an inclined rail block 413 to move downward, through the arrangement of the inclined sliding groove 4131, the inclined rail block 413 moves downwards and simultaneously extrudes the telescopic block 42 to move towards the direction penetrating through the sliding hole 21, so that the threaded slider 3 is pressed tightly by the telescopic extrusion block 423, and the second fixture block 51 is clamped with the first fixture block 412, so that the threaded slider 3 can be fixed at a preset position all the time, the arrangement not only can realize the installation of the backlight panel main body 1 on a liquid crystal display provided with holes with different distances, but also can realize the pre-fixation of the threaded slider 3, and is convenient for the installation thereof by using screws at the later stage, when an operator needs to adjust the position of the threaded slider 3 in the penetrating sliding hole 21, the abutment block 52 can be pushed inwards by fingers, the abutment block 52 can drive the second fixture block 51 to move inwards together, so that the second fixture block 51 is not clamped with the first fixture block 412, the telescopic extrusion block 423 can be separated from the threaded slider 3, thereby facilitating the adjustment of the position of the threaded slider 3 by an operator.

The working principle is as follows: when an operator needs to position and install the backlight panel main body 1, the threaded slider 3 can slide in the through-sliding hole 21 according to the hole formed on the liquid crystal display, the threaded cylinder 33 is aligned with the hole, the pressing fixture block 41 is pressed, the pressing fixture block 41 can respectively drive the first fixture block 412 and the inclined rail block 413 to move downwards, the inclined rail block 413 can move towards the direction of the through-sliding hole 21 while pressing the telescopic block 42, so that the telescopic extrusion block 423 can tightly press the threaded slider 3, the second fixture block 51 is clamped with the first fixture block 412, the threaded slider 3 can be always fixed at a preset position, when the operator needs to adjust the position of the threaded slider 3 in the through-sliding hole 21, the abutting block 52 can be pushed inwards by fingers, the abutting block 52 can drive the second fixture block 51 to move together, therefore, the second fixture block 51 is not clamped with the first fixture block 412, and the telescopic extrusion block 423 is separated from the threaded sliding block 3, so that the position of the threaded sliding block 3 can be adjusted conveniently by an operator.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A backlight with a positioning structure, comprising a backlight board body (1), characterized in that: the backlight source plate comprises a backlight source plate main body (1), wherein mounting long blocks (2) are fixedly mounted on the outer walls of the lower ends of two sides of the backlight source plate main body (1) respectively, threaded sliding blocks (3) are mounted in inner cavities of the mounting long blocks (2) in a sliding mode, extrusion components (4) and clamping components (5) are arranged in inner cavities of the outer ends of the middle portions of the mounting long blocks (2) respectively, the clamping components (5) are arranged on the outer sides of the lower ends of the extrusion components (4), penetrating sliding holes (21) are formed in the middle portions of the mounting long blocks (2), and positioning inner grooves (22) are formed in inner cavities of the outer sides of the mounting long blocks (2);

the thread sliding block (3) comprises a square middle block (31) and embedded sliding blocks (32) which are respectively and fixedly installed on the outer walls of the two ends of the square middle block (31), and a thread cylinder (33) is fixedly installed in an inner cavity of the middle of the square middle block (31).

2. A backlight with positioning structures as recited in claim 1, wherein: the inner side inner wall of the inner cavity of the through sliding hole (21) is provided with a first square sliding way (211), the outer side inner wall of the inner cavity of the through sliding hole (21) is provided with a second square sliding way (212), embedded sliding blocks (32) located at two ends of the square middle block (31) are arranged in the first square sliding way (211) and the second square sliding way (212) in a sliding mode respectively, and a take-down through hole (213) is formed in the top face of the middle of the first square sliding way (211).

3. A backlight with positioning structures as recited in claim 2, wherein: the bottom surface of the outer end of the inner cavity of the positioning inner groove (22) is provided with a first T-shaped sliding groove (221), the bottom surface of the inner end of the inner cavity of the positioning inner groove (22) is provided with a second T-shaped sliding groove (222), the bottom surface of the middle part of the inner cavity of the positioning inner groove (22) is provided with a return spring (223), and the inner wall of the outer end of the inner cavity of the positioning inner groove (22) is provided with a tension spring (224).

4. A backlight with positioning structures as claimed in claim 3, wherein: the extrusion assembly (4) comprises a pressing fixture block (41) and an extrusion telescopic block (42) which is slidably mounted at the lower end of the pressing fixture block (41), the output end of the extrusion telescopic block (42) is arranged in a second square slideway (212), and the upper end of the pressing fixture block (41) is arranged on the top surface of the long block (2) in a protruding mode.

5. The backlight with the positioning structure as recited in claim 4, wherein: the lower pressing fixture block (41) comprises a pressing block (411) and a first fixture block (412) fixedly installed on the bottom surface of one end of the pressing block (411), inclined rail blocks (413) are fixedly installed on the bottom surfaces of two sides of the other end of the pressing block (411) respectively, and the upper end portion of a return spring (223) is installed on the bottom surface of the middle portion of the pressing block (411).

6. The backlight with the positioning structure as recited in claim 5, wherein: an inclined sliding groove (4131) is formed in the outer wall of the inner side of the inclined rail block (413).

7. The backlight with the positioning structure as recited in claim 6, wherein: the extrusion telescopic block (42) comprises a sliding sleeve (421) and a telescopic extrusion block (423) with one end slidably mounted in an inner cavity of the sliding sleeve (421), a limiting T-shaped block (422) is fixedly mounted on the bottom surface of one end of the sliding sleeve (421), and the lower end of the limiting T-shaped block (422) is slidably mounted in a second T-shaped sliding groove (222).

8. The backlight with positioning structures as recited in claim 7, wherein: the outer walls of two sides of the sliding sleeve (421) are respectively and fixedly provided with a connecting shaft (4211), the connecting shafts (4211) are arranged in the inclined sliding grooves (4131) in a sliding mode, an extrusion spring (4212) is arranged in the inner cavity of the sliding sleeve (421), and one end of the extrusion spring (4212) is arranged on the outer wall of the telescopic extrusion block (423).

9. The backlight with the positioning structure as recited in claim 5, wherein: clamping subassembly (5) include second fixture block (51) and connection T type slider (53) of fixed mounting on second fixture block (51) bottom surface, and connect T type slider (53) and slide and set up in first T type spout (221), fixed mounting has on one side outer wall of second fixture block (51) and supports into piece (52), and support the outer end of piece (52) and be the setting of the outer end outer wall of protrusion installation rectangular block (2), the one end of extension spring (224) is installed on the outer wall of second fixture block (51), and carry out movable clamping between second fixture block (51) and first fixture block (412).

Images