CN213457434U

CN213457434U - Combined light guide plate

Info

Publication number: CN213457434U
Application number: CN202022750781.XU
Authority: CN
Inventors: 凌弟锋; 凌振梅; 田华
Original assignee: Dongguan Keyao Photoelectric Co ltd
Current assignee: Dongguan Keyao Photoelectric Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-06-15
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a combined light guide plate, which comprises an advertisement box and a light guide plate body, wherein three light guide plate bodies are equidistantly arranged in the advertisement box, the three light guide plate bodies are in pairwise matching contact, one side of the inner wall of the advertisement box is rotationally connected with a first rotating rod through a bearing at equal intervals, one end of the first rotating rod, which is close to the light guide plate body, is fixedly connected with an L-shaped plate, the inner side of the L-shaped plate is in close contact with the light guide plate body, one side of the L-shaped plate is symmetrically and fixedly connected with a connecting block, the connecting block is fixedly installed with the light guide plate body through a bolt, one side of the L-shaped plate is fixedly connected with an adjusting device, one side of the outer part of the advertisement box, which is close to the L-shaped plate, is fixedly connected with a driving device, thereby being convenient for action personnel to clean the light guide plate.

Description

Combined light guide plate

Technical Field

The utility model relates to a light guide plate technical field specifically is a modular light guide plate.

Background

The light guide plate is characterized in that light guide points are printed on the bottom surface of an optical acrylic plate by using an optical acrylic/PC plate and then using a high-tech material with extremely high refractive index and no light absorption through laser engraving, V-shaped cross grid engraving and UV screen printing technologies. The light guide plate can uniformly emit light through various light guide points with different densities and sizes.

The light guide plate is by wide application in liquid crystal display or lamps and lanterns field, wherein, the luminous advertisement case that the other advertisement of putting of road used also used the light guide plate when night, and the light guide plate can save a large amount of dusts in long-time use back surface, need clean, and the inside light guide plate of traditional advertisement case is mostly a whole, and the volume is great, is not convenient for clean the cleaning to the light guide plate in the advertisement case under the condition of not dismantling, for this reason, we propose a modular light guide plate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular light guide plate to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a combined light guide plate, includes advertisement case and light guide plate body, the inside equidistance of advertisement case is equipped with three light guide plate body, and two liang of cooperation contacts of three light guide plate body, advertisement incasement wall one side is rotated through the bearing equidistance and is connected with first bull stick, first bull stick is close to the one end fixedly connected with L template of light guide plate body, and the inboard and light guide plate body in close contact with of L template, L template one side symmetry fixedly connected with connecting block, the connecting block passes through bolt and light guide plate body fixed mounting, L template one side fixedly connected with adjusting device, the outside one side fixedly connected with drive arrangement who is close to the L template of advertisement case.

Preferably, adjusting device includes backup pad, strip shaped plate, first swing arm, second swing arm, disc and second bull stick, L template one side fixedly connected with backup pad, three one side that the light guide plate body was kept away from to the backup pad is rotated through the pivot and is connected with the strip shaped plate, the strip shaped plate is close to the top and is rotated through the pivot and be connected with first swing arm, first swing arm bottom is rotated through the pivot and is connected with the second swing arm, one side fixedly connected with disc of first swing arm is kept away from to the second swing arm, one side fixedly connected with second bull stick of light guide plate body is kept away from to the disc, and the second bull stick surface rotates through bearing and advertisement case to be connected.

Preferably, drive arrangement includes protective housing, worm, carousel, commentaries on classics handle and worm wheel, the outside one side fixedly connected with protective housing that is close to the L template of advertisement case, the protective housing inner wall rotates through the bearing and is connected with the worm, protective housing fixedly connected with carousel is passed to worm one end, the one end fixedly connected with that the protective housing was kept away from to the carousel changes the handle, advertisement case fixedly connected with worm wheel is passed to the one end that the second bull stick is close to the protective housing body, and the worm wheel is connected with the worm meshing.

Preferably, a rubber pad is arranged on the contact surface of the inner side of the L-shaped plate and the light guide plate body.

Preferably, the LED lamp source is installed to advertisement incasement wall equidistance, and the middle part department and the same horizontal straight line of light guide plate body in the middle part of LED lamp source.

Preferably, the outer surface of the rotating handle is equidistantly provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are that:

the light guide plate is equipped with threely altogether, and they make up to be a whole, makes the inside first swing arm of adjusting device swing through operation drive arrangement, thereby makes the light guide plate use first bull stick to rotate as the axis of rotation, and when three light guide plate syntropy rotated certain angle simultaneously, produces the clearance between the light guide plate, thereby makes the staff clean the cleaning to the light guide plate under the condition that does not demolish advertisement incasement portion, the utility model discloses a light guide plate is three groups of amalgamations together, when needs clean the light guide plate, through operation drive arrangement, makes adjusting device drive three groups of light guide plates and rotates certain angle, thereby is convenient for the action personnel and cleans the light guide plate.

Drawings

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

FIG. 2 is a schematic diagram of a light guide plate according to the present invention;

FIG. 3 is a schematic structural view of the driving device of the present invention;

FIG. 4 is a schematic structural view of the adjusting device of the present invention;

fig. 5 is a schematic view of the structure of the LED light source of the present invention;

fig. 6 is a schematic view of the structure of the rotating handle of the present invention.

In the figure: 1. an advertisement box; 2. a light guide plate body; 3. a first rotating lever; 4. an L-shaped plate; 5. connecting blocks; 6. a bolt; 7. an adjustment device; 71. a support plate; 72. a strip plate; 73. a first swing arm; 74. a second swing arm; 75. a disc; 76. a second rotating rod; 8. a drive device; 81. a protective shell; 82. a worm; 83. a turntable; 84. turning a handle; 85. a worm gear; 9. an LED light source; 10. and (4) anti-skid lines.

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, 2, 3 and 2, a combined light guide plate in the figure comprises an advertisement box 1 and a light guide plate body 2, wherein three light guide plate bodies 2 are equidistantly arranged in the advertisement box 1, every two of the three light guide plate bodies 2 are in matched contact, one side of the inner wall of the advertisement box 1 is equidistantly and rotatably connected with a first rotating rod 3 through a bearing, one end of the first rotating rod 3, which is close to the light guide plate body 2, is fixedly connected with an L-shaped plate 4, the inner side of the L-shaped plate 4 is in tight contact with the light guide plate body 2, one side of the L-shaped plate 4 is symmetrically and fixedly connected with a connecting block 5, the connecting block 5 is fixedly installed with the light guide plate body 2 through a bolt 6, one side of the L-shaped plate 4 is fixedly connected with an adjusting device 7, one side of the outer part of the advertisement box 1, finally, the light guide plate body 2 rotates by taking the first rotating rod 3 as a rotating shaft.

Referring to fig. 1, 2, 3 and 4, the adjusting device 7 includes a supporting plate 71, a strip-shaped plate 72, a first swing arm 73, a second swing arm 74, a circular disc 75 and a second rotating rod 76, the supporting plate 71 is fixedly connected to one side of the L-shaped plate 4, one side of each of the three supporting plates 71 away from the light guide plate body 2 is rotatably connected to the strip-shaped plate 72 through a pin, the first swing arm 73 is rotatably connected to the strip-shaped plate 72 near the top through a pin, the second swing arm 74 is rotatably connected to the bottom of the first swing arm 73 through a pin, the circular disc 75 is fixedly connected to one side of the second swing arm 74 away from the first swing arm 73, the second rotating rod 76 is fixedly connected to one side of the circular disc 75 away from the light guide plate body 2, and the outer surface of the second rotating rod 76 is rotatably connected to the advertisement box 1 through a bearing, when the circular disc 75, when disc 75 rotates, can make second swing arm 74 use the disc 75 centre of a circle to rotate certain angle as the axis of rotation, thereby drive first swing arm 73 and rotate certain angle, and then make bar 72 descend the certain distance, because light guide plate body 2 rotates with bar 72 through backup pad 71 to be connected, and light guide plate body 2 rotates with advertisement case 1 through first bull stick 3 and is connected, can make light guide plate body 2 use first bull stick 3 to rotate as the axis of rotation, three light guide plate body 2 syntropy rotates certain angle simultaneously, thereby the staff can stretch into the clearance that two adjacent light guide plate bodies 2 produced, and then clean 2 inboards of light guide plate body.

Referring to fig. 1, 2, 3 and 4, the driving device 8 includes a protective casing 81, a worm 82, a rotary plate 83, a rotary handle 84 and a worm wheel 85, a protective shell 81 is fixedly connected to one side of the outer part of the advertisement box 1, which is close to the L-shaped plate 4, the inner wall of the protective shell 81 is rotatably connected with a worm 82 through a bearing, one end of the worm 82 penetrates through the protective shell 81 and is fixedly connected with a rotary disc 83, one end of the rotary disc 83 far away from the protective shell 81 is fixedly connected with a rotary handle 84, one end of the second rotating rod 76 close to the body of the protective shell 81 is fixedly connected with a worm wheel 85 through the advertisement box 1, the worm wheel 85 is meshed and connected with the worm 82, when the light guide plate body 2 needs to be cleaned and wiped, the rotating handle 84 is rotated by hand, so that the rotating disk 83 drives the worm 82 to rotate, since the worm 82 is engaged with the worm wheel 85, the worm wheel 85 rotates the second rotating rod 76, and thus the disk 75.

Referring to fig. 2, a rubber pad is installed on a contact surface between the inner side of the L-shaped plate 4 and the light guide plate body 2, so as to increase friction force and make the installation of the light guide plate body 2 more stable.

Referring to fig. 1 and 5, the light source units 9 are equidistantly installed on the inner wall of the advertisement box 1, and the middle of the light source unit 9 and the middle of the light guide plate 2 are on the same horizontal straight line, the light guide plate 2 is provided with three light source units which are combined together to form a whole light guide plate, and the light source units 9 equidistantly installed inside the advertisement box 1 irradiate the light guide plate 2.

Referring to fig. 6, the anti-slip threads 10 are equidistantly formed on the outer surface of the rotating handle 84 to increase the friction force between the rotating handle 84 and the hand.

The working principle is as follows: the light guide plate body 2 is provided with three light guide plate bodies, the three light guide plate bodies are combined into a whole light guide plate, the LED light sources 9 arranged in the advertising box 1 at equal intervals irradiate the light guide plate body 2, so that light sources are uniformly diffused to the outside of the advertising box 1, when the light guide plate body 2 needs to be cleaned, the rotating handle 84 is rotated by hands, the rotating disk 83 drives the worm 82 to rotate, the worm 82 is meshed with the worm wheel 85, so that the worm wheel 85 drives the second rotating rod 76 to rotate, further the disk 75 is driven to rotate, because the second swinging arm 74 is fixed on one side of the disk 75, when the disk 75 rotates, the second swinging arm 74 can rotate for a certain angle by taking the circle center of the disk 75 as a rotating shaft, so that the first swinging arm 73 is driven to rotate for a certain angle, further the strip-shaped plate 72 descends for a certain distance, and because the, and light guide plate body 2 rotates through first bull stick 3 and advertisement case 1 to be connected, can make light guide plate body 2 use first bull stick 3 to rotate as the axis of rotation, and three light guide plate body 2 syntropy rotates certain angle simultaneously to the staff can stretch into the clearance that two adjacent light guide plate bodies 2 produced, and then cleans light guide plate body 2 inboard, and after finishing clean the opposite direction rotate to change 84 and can make light guide plate body 2 resume initial condition.

It is noted that, herein, relational terms such as first and second, and the like may be 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 changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a modular light guide plate, includes advertisement case (1) and light guide plate body (2), its characterized in that: inside equidistance of advertisement case (1) is equipped with three light guide plate body (2), and two liang of cooperation contacts of three light guide plate body (2), advertisement case (1) inner wall one side is rotated through the bearing equidistance and is connected with first bull stick (3), one end fixedly connected with L template (4) that first bull stick (3) are close to light guide plate body (2), and L template (4) inboard and light guide plate body (2) in close contact with, L template (4) one side symmetry fixedly connected with connecting block (5), bolt (6) and light guide plate body (2) fixed mounting are passed through in connecting block (5), L template (4) one side fixedly connected with adjusting device (7), advertisement case (1) outside is close to one side fixedly connected with drive arrangement (8) of L template (4).

2. The combined light guide plate of claim 1, wherein: the adjusting device (7) comprises a supporting plate (71), a strip-shaped plate (72), a first swing arm (73), a second swing arm (74), a disc (75) and a second rotating rod (76), one side of the L-shaped plate (4) is fixedly connected with supporting plates (71), one sides of the three supporting plates (71) far away from the light guide plate body (2) are rotatably connected with strip-shaped plates (72) through shaft pins, the strip-shaped plate (72) is connected with a first swinging arm (73) through a shaft pin in a rotating way near the top, the bottom of the first swinging arm (73) is rotationally connected with a second swinging arm (74) through a shaft pin, a disc (75) is fixedly connected to one side of the second swinging arm (74) far away from the first swinging arm (73), a second rotating rod (76) is fixedly connected to one side of the disc (75) far away from the light guide plate body (2), and the outer surface of the second rotating rod (76) is rotatably connected with the advertising box (1) through a bearing.

3. The combined light guide plate of claim 2, wherein: drive arrangement (8) include protective housing (81), worm (82), carousel (83), change (84) and worm wheel (85), advertisement case (1) outside is close to one side fixedly connected with protective housing (81) of L template (4), protective housing (81) inner wall is rotated through the bearing and is connected with worm (82), protective housing (81) fixedly connected with carousel (83) is passed to worm (82) one end, the one end fixedly connected with that protective housing (81) were kept away from in carousel (83) changes (84), advertisement case (1) fixedly connected with worm wheel (85) is passed to one end that second bull stick (76) are close to protective housing (81) body, and worm wheel (85) are connected with worm (82) meshing.

4. The combined light guide plate of claim 2, wherein: and a rubber pad is arranged on the contact surface of the inner side of the L-shaped plate (4) and the light guide plate body (2).

5. The combined light guide plate of claim 3, wherein: LED lamp source (9) are installed to advertisement case (1) inner wall equidistance, and the middle part of LED lamp source (9) and the middle part department of light guide plate body (2) and on the same horizontal straight line.

6. The combined light guide plate of claim 3, wherein: the outer surface of the rotating handle (84) is equidistantly provided with anti-skid grains (10).