CN212808861U - Liquid crystal display backlight module with adjustable brightness - Google Patents
Liquid crystal display backlight module with adjustable brightness Download PDFInfo
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- CN212808861U CN212808861U CN202021923131.4U CN202021923131U CN212808861U CN 212808861 U CN212808861 U CN 212808861U CN 202021923131 U CN202021923131 U CN 202021923131U CN 212808861 U CN212808861 U CN 212808861U
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Abstract
The utility model discloses a luminance adjustable liquid crystal display backlight unit, including device body and first draw-in groove, resistance bar is installed to the one end of device body one end, and the outside cover of resistance bar is equipped with the adjustable ring, the even slope in the resistance bar outside has been seted up and has been run through to the inside guide slot of resistance bar, and the inside bottom of guide slot evenly installs first telescopic link, the fixed plate is all installed on the top of first telescopic link, and the fixed plate is inside all to be provided with the ball that runs through to the fixed plate top, the outside of first telescopic link all is provided with the second spring. This luminance adjustable liquid crystal display backlight unit rotates in the outside of resistance bar through the adjustable ring, contacts through conducting block and ball when the adjustable ring rotates in the outside of resistance bar, adjusts the resistance of device through conducting block and ball contact time, adjusts the luminance of device through the size of resistance for it is more convenient that the device used.
Description
Technical Field
The utility model relates to a display screen technical field specifically is a luminance adjustable liquid crystal display backlight unit.
Background
Along with the development of society, the continuous progress of science and technology, the electronic display trade also is in the continuous quick development stage that gets into, and liquid crystal display's technique is also higher and higher, and the display screen is gradually changed into liquid crystal display from traditional CRT display screen, because liquid crystal display itself is non-luminous, but passive luminous, so need the backlight source to provide the light source for the display, traditional luminance adjustable liquid crystal display backlight unit can satisfy people's user demand basically, but still has certain problem, specific problem as follows:
1. most of the liquid crystal display screen backlight modules with adjustable brightness in the current market are not convenient enough in adjustment mode, so that a user is not convenient enough in adjustment, and the using effect of the device is poor;
2. most of the liquid crystal display backlight unit of luminance adjustable in the existing market are when using, because can't use after the device goes wrong, need dismantle the change to luminous position, just can continue to use, and current module reaches comparatively inconvenient when changing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a luminance adjustable liquid crystal display backlight unit to solve the poor and problem of result of use that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a brightness-adjustable liquid crystal display backlight module comprises a device body and a first clamping groove, wherein a resistance rod is installed at one end of the device body, an adjusting ring is sleeved outside the resistance rod, guide grooves penetrating into the resistance rod are uniformly formed in the outer side of the resistance rod in an inclined mode, a first telescopic rod is uniformly installed at the bottom end inside the guide grooves, a fixed plate is installed at the top end of each first telescopic rod, balls penetrating to the top end of the fixed plate are arranged inside the fixed plate, second springs are arranged on the outer sides of the first telescopic rods, conductive blocks connected with the adjusting ring are arranged at the top ends inside the guide grooves, fixed blocks are installed on two sides of the device body close to the top end of one end of the resistance rod, a rotating rod is transversely installed on the inner side of the fixed block, mounting plates are arranged on the outer sides of the rotating rod, and a, the device comprises a device body and is characterized in that a second clamping plate is transversely installed at the top end, close to one end of the device body, of the first clamping plate, a first spring is arranged on the outer side, away from a rotating rod on one side of a fixed block, of the mounting plate, a graphite heating panel is pasted on one side of the inside of the device body, first clamping grooves are formed in the two ends of the device body, the bottom end, away from one end of a resistance rod, of the device body is provided with a fourth clamping groove penetrating through the bottom end of the inside of the device body, a third clamping groove is formed in one end, away from the resistance rod, of the top end of the device body, a first top.
Preferably, the top that the device body is close to resistance bar one end is installed the second telescopic link, and the second telescopic link is close to the one end of first cardboard and is installed the second roof, the outside of second telescopic link is provided with the third spring.
Preferably, one end of the first spring is connected with the mounting plate, and the end, far away from the mounting plate, of the first spring is connected with the fixing block.
Preferably, the second clamping plate and the first top plate are clamped with each other, and the second clamping plate and the first top plate form a detachable structure.
Preferably, the adjusting ring is in threaded connection with the resistance rod, and the adjusting ring and the resistance rod form a rotating structure.
Preferably, the fixed plate is movably connected with the balls, and the fixed plate and the balls form an anti-lock structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the resistance rod, the adjusting ring and the conductive block are mounted, the adjusting ring rotates on the outer side of the resistance rod, when the adjusting ring rotates on the outer side of the resistance rod, the conductive block is in contact with the ball, the resistance of the device is adjusted when the conductive block is in contact with the ball, and the brightness of the device is adjusted through the size of the resistance, so that the device is more convenient to use;
2. meanwhile, the device is provided with a first clamping plate, a first spring and a second clamping plate, the first clamping plate is supported by the first spring, and the second clamping plate is driven by the first clamping plate to fix the position of the first top plate, so that the device can be disassembled when in use;
3. meanwhile, the device is provided with a first clamping groove, a first spring and a second clamping groove, the inside of the device is cooled through the first spring, and meanwhile, the service life of the device can be prolonged better when the device is used through the first clamping groove, the second clamping groove and the fourth clamping groove.
Drawings
FIG. 1 is a front view of the cross-sectional structure of the present invention;
FIG. 2 is a right side view of the structure of the present invention;
FIG. 3 is a left schematic structural view of the present invention;
FIG. 4 is a schematic left side view of the cross-sectional structure of the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 6 is an enlarged view of the portion B of FIG. 1 according to the present invention;
fig. 7 is an enlarged schematic view of the part C in fig. 4 according to the present invention.
In the figure: 1. a device body; 2. a first card slot; 3. a graphite heat dissipation plate; 4. a first clamping plate; 5. a first spring; 6. a second clamping plate; 7. a first top plate; 8. a second card slot; 9. a third card slot; 10. a fourth card slot; 11. a resistance rod; 12. an adjusting ring; 13. mounting a plate; 14. a fixed block; 15. a guide groove; 16. a fixing plate; 17. a conductive block; 18. a ball bearing; 19. a first telescopic rod; 20. a second spring; 21. a second top plate; 22. a second telescopic rod; 23. a third spring; 24. and (4) rotating the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides an embodiment: a liquid crystal display backlight module with adjustable brightness comprises a device body 1 and a first clamping groove 2, wherein a resistance rod 11 is installed at one end of the device body 1, a second telescopic rod 22 is installed at the top end, close to one end of the resistance rod 11, of the device body 1, a second top plate 21 is installed at one end, close to one end of a first clamping plate 4, of the second telescopic rod 22, a third spring 23 is arranged on the outer side of the second telescopic rod 22, the second top plate 21 can be better jacked through the third spring 23 on the outer side of the second telescopic rod 22 in use, the first clamping plate 4 is reset when the second top plate 21 is jacked, and the device can be fixed better;
the adjusting ring 12 is sleeved on the outer side of the resistance rod 11, the adjusting ring 12 is in threaded connection with the resistance rod 11, the adjusting ring 12 and the resistance rod 11 form a rotating structure, and when the device is used, the adjusting ring 12 can be better adjusted on the outer side of the resistance rod 11 to control two ends of the device;
the fixed plate 16 is movably connected with the balls 18, and the fixed plate 16 and the balls 18 form an anti-lock structure, so that the fixed plate 16 and the balls 18 can better rotate when in use, and the balls 18 rotate on the fixed plate 16, thereby preventing the device from being blocked when in use;
the inside of the fixed plate 16 is provided with balls 18 penetrating to the top end of the fixed plate 16, the outside of the first telescopic rod 19 is provided with a second spring 20, the top end inside the guide groove 15 is provided with a conductive block 17 connected with the adjusting ring 12, the two sides of the device body 1 close to the top end of one end of the resistance rod 11 are provided with fixed blocks 14, the inner side of each fixed block 14 is transversely provided with a rotating rod 24, the outside of each rotating rod 24 is provided with an installation plate 13, one end of each installation plate 13 far away from the device body 1 is provided with a first clamping plate 4, and the top end of each first clamping plate 4 close to one end of the device body 1 is;
the second clamping plate 6 is clamped with the first top plate 7, the second clamping plate 6 and the first top plate 7 form a detachable structure, the second clamping plate 6 can be better clamped with the first top plate 7 when the device is used, and the second clamping plate 6 and the first top plate 7 are fixed, so that the first top plate 7 can be better detached when the device is used;
the outer side of the rotating rod 24, far away from the fixed block 14, of the mounting plate 13 is provided with the first spring 5, one end of the first spring 5 is connected with the mounting plate 13, and the end, far away from the mounting plate 13, of the first spring 5 is connected with the fixed block 14, so that the first clamping plate 4 can be better controlled through the first spring 5 in use, and the first clamping plate 4 can be better reset when the device is used;
the graphite heat dissipation plate 3 is pasted to one side of the interior of the device body 1, the first clamping grooves 2 are formed in the two ends of the device body 1, the bottom end of one end, far away from the resistance rod 11, of the device body 1 is provided with a fourth clamping groove 10 penetrating through the bottom end of the interior of the device body 1, the end, far away from the resistance rod 11, of the top end of the device body 1 is provided with a third clamping groove 9, the interior of the third clamping groove 9 is hinged to a first top plate 7, and the bottom end of the interior of the first top plate 7 is provided with a second.
The working principle is as follows: when the liquid crystal display screen backlight module with adjustable brightness is used, the adjusting ring 12 is rotated to drive the conductive block 17 to move in the guide groove 15, when the conductive block 17 moves, the conductive block 17 is in contact with the ball 18 through the conductive block 17, the fixed plate 16 is jacked through the ball 18, when the fixed plate 16 is jacked, the first telescopic rod 19 is jacked, and meanwhile, the second spring 20 is extruded when the first telescopic rod 19 is jacked, so that the brightness of the device can be adjusted when the device is used, and the device is more convenient to adjust;
the second clamping plate 6 is driven by the first clamping plate 4 through pressing, when the second clamping plate 6 is driven, the second clamping plate is separated from the first top plate 7, the device is disassembled, meanwhile, the lamp strips are placed in the second clamping grooves 8 in the first top plate 7, and then the lamp strips in the first clamping grooves 2 and the fourth clamping grooves 10 are replaced, so that the device can be maintained better when in use, the interior of the device can be cooled through the graphite heat dissipation plate 3 when in use, when the lamp strip is replaced, the first clamping plate 4 is loosened and then reset through the first spring 5, the second top plate 21 is jacked through the third spring 23 on the outer side of the second telescopic rod 22, carry out the Duwei to first cardboard 4, fix the position of first roof 7 through second cardboard 6, do above the utility model discloses a whole theory of operation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
Claims (6)
1. The utility model provides a luminance adjustable liquid crystal display backlight unit, includes device body (1) and first draw-in groove (2), its characterized in that: resistance pole (11) is installed to the one end of device body (1) one end, and the outside cover of resistance pole (11) is equipped with adjustable ring (12), resistance pole (11) outside evenly inclines to set up and runs through to the inside guide slot (15) of resistance pole (11), and the inside bottom of guide slot (15) evenly installs first telescopic link (19), fixed plate (16) are all installed on the top of first telescopic link (19), and fixed plate (16) inside all is provided with ball (18) that run through to fixed plate (16) top, the outside of first telescopic link (19) all is provided with second spring (20), the inside top of guide slot (15) all is provided with conducting block (17) that are connected with adjustable ring (12), fixed block (14) are all installed to the both sides that device body (1) is close to resistance pole (11) one end top, and bull stick (24) are transversely installed to the inboard of fixed block (14), the outer side of each rotating rod (24) is provided with a mounting plate (13), one end, far away from the device body (1), of each mounting plate (13) is provided with a first clamping plate (4), the top end, close to the device body (1), of each first clamping plate (4) is transversely provided with a second clamping plate (6), the outer side, far away from the rotating rod (24) at one end of each fixing block (14), of each mounting plate (13) is provided with a first spring (5), one side inside the device body (1) is adhered with a graphite heat dissipation plate (3), the two ends of the device body (1) are both provided with first clamping grooves (2), the bottom end, far away from the resistance rod (11), of the device body (1) is provided with a fourth clamping groove (10) penetrating through the bottom end inside the device body (1), one end, far away from the resistance rod (11), at the top end of the device body (1) is provided with a third clamping groove (9), and a first, and a second clamping groove (8) is formed in the bottom end of the inner part of the first top plate (7).
2. The backlight module of claim 1, wherein: the device body (1) is close to the top of resistance bar (11) one end and installs second telescopic link (22), and second telescopic link (22) are close to the one end of first cardboard (4) and install second roof (21), the outside of second telescopic link (22) is provided with third spring (23).
3. The backlight module of claim 1, wherein: one end of the first spring (5) is connected with the mounting plate (13), and one end, far away from the mounting plate (13), of the first spring (5) is connected with the fixing block (14).
4. The backlight module of claim 1, wherein: the second clamping plate (6) and the first top plate (7) are clamped with each other, and the second clamping plate (6) and the first top plate (7) form a detachable structure.
5. The backlight module of claim 1, wherein: the adjusting ring (12) is in threaded connection with the resistance rod (11), and the adjusting ring (12) and the resistance rod (11) form a rotating structure.
6. The backlight module of claim 1, wherein: the fixing plate (16) is movably connected with the balls (18), and the fixing plate (16) and the balls (18) form an anti-lock structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021923131.4U CN212808861U (en) | 2020-09-07 | 2020-09-07 | Liquid crystal display backlight module with adjustable brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021923131.4U CN212808861U (en) | 2020-09-07 | 2020-09-07 | Liquid crystal display backlight module with adjustable brightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212808861U true CN212808861U (en) | 2021-03-26 |
Family
ID=75088666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021923131.4U Active CN212808861U (en) | 2020-09-07 | 2020-09-07 | Liquid crystal display backlight module with adjustable brightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212808861U (en) |
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2020
- 2020-09-07 CN CN202021923131.4U patent/CN212808861U/en active Active
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