Metal baking varnish LED (light-emitting diode) back light-emitting mark

Abstract

The utility model discloses a metal baking varnish light-emitting diode (LED) back light-emitting mark, which particularly relates to the technical field of light-emitting marks and comprises a lampshade, a fixing frame is arranged on the front side of the lampshade, a protective plate is arranged inside the fixing frame, an LED lamp panel used for emitting light is arranged inside the lampshade, and the mark with metal baking varnish is arranged on the front side of the LED lamp panel. Two supporting plates are arranged on the front side of the interior of the lampshade, the same backlight plate is arranged on the front sides of the two supporting plates, a pressing plate is fixedly arranged on the rear side of the fixing frame, second handles are fixedly arranged on the two sides of the fixing frame, and second bolts are connected to the four corners of the lampshade in a threaded mode. Dust can be prevented from being adsorbed on the surface of the transparent glass through the dustproof layer, the definition of the transparent glass is prevented from being influenced, an identifier in the lampshade can be conveniently observed, the service life of the LED lamp is prolonged, the fixing frame can be conveniently disassembled and assembled through the fixing mechanism, and an LED lamp panel in the lampshade can be conveniently detected and maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of luminous signs, and particularly relates to a metal baking varnish LED backlight sign. Background Art

[0002] The metal baking varnish LED backlight sign is a sign product that combines the metal baking varnish process and the LED backlight technology. This kind of sign is usually made of galvanized sheet and undergoes a baking varnish treatment to enhance durability and aesthetics. The LED lamp is used as a backlight source, which can provide uniform and soft light and is suitable for various indoor and outdoor environments. The metal baking varnish LED backlight sign has the characteristics of strong three-dimensional sense, soft light, energy conservation and environmental protection, long service life, etc., and is commonly used in commercial signs, image walls, display signs and other occasions.

[0003] For example, a kind of LED sign lamp with a double-layer backlight structure provided in the Chinese patent application with the application number 202222178132.6 includes an LED lamp cover. One end of the LED lamp cover is provided with an outer fixing frame. An installation inner cavity is opened on the inner wall of the LED lamp cover. A first backlight board is fixedly connected to the inner wall of the installation inner cavity at the end far away from the outer fixing frame. A second backlight board is fixedly connected to the inner wall of the installation inner cavity at the end of the first backlight board close to the outer fixing frame. A plurality of LED light-emitting bodies are uniformly fixedly connected to the side wall of the second backlight board far away from the first backlight board. In this technical solution, a circuit board is used to control the plurality of LED light-emitting bodies to start emitting light for sign indication. When the LED light-emitting bodies indicate the sign, the first backboard and the second backboard cooperate with the backboard to perform a light-shielding operation, thereby reducing the light leakage phenomenon of the LED sign lamp and improving the indication effect of the LED sign lamp.

[0004] However, the following problems still exist in this technical solution: dust is easily adsorbed on the TFT glass inside the outer fixing frame in this technical solution, and the dust easily blocks the LED lamp, so that the LED lamp cannot be clearly observed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a metal baking varnish LED backlight sign. The dust-proof layer can prevent dust from being adsorbed on the surface of the transparent glass, avoid affecting the clarity of the transparent glass, facilitate observing the sign inside the lamp cover, extend the service life of the utility model, and the fixing mechanism can also facilitate the disassembly and installation of the fixing frame and facilitate the detection and maintenance of the LED lamp board inside the lamp cover to solve the above deficiencies in the technology.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A metal painted LED backlight sign, including a lamp shade, a fixing frame is provided on the front side of the lamp shade, a protection board is provided inside the fixing frame, an LED lamp board for emitting light is provided inside the lamp shade, a sign with metal paint is installed on the front side of the LED lamp board, two support plates are provided on the front side inside the lamp shade, and the front sides of the two support plates are provided with the same backlight board. A pressing plate is fixedly provided on the rear side of the fixing frame, and second handles are fixedly provided on both sides of the fixing frame. Second bolts are threadedly connected to the four corners of the lamp shade.

[0007] Preferably, the protection board includes a dust-proof layer, a waterproof layer is provided on the rear side of the dust-proof layer, a transparent glass is provided on the rear side of the waterproof layer, the dust-proof layer is made of polyester film, and the waterproof layer is made of polyethylene film, which is convenient for observing the sign inside the lamp shade.

[0008] Preferably, a fixing mechanism for fixing the fixing frame to the front side of the lamp shade is provided on the front side of the lamp shade. The fixing mechanism includes two plug-in plates provided on the rear side of the fixing frame. Plug-in slots are provided on both sides of the lamp shade. The plug-in plates and the plug-in slots are adapted to each other. Plug-in rods are inserted into both of the plug-in slots. Plug-in holes are provided on the plug-in plates. The plug-in rods and the plug-in holes are adapted to each other. One ends of the two plug-in rods away from each other penetrate through the lamp shade and extend out of one side of the lamp shade. A connecting plate is fixedly provided at one end of the plug-in rod extending out of one side of the lamp shade, which is used to fix the fixing frame to the front side of the lamp shade.

[0009] Preferably, two springs are fixedly provided on the side of the connecting plate close to the lamp shade. One ends of the springs close to the lamp shade are fixedly connected to the lamp shade. A first handle is fixedly provided on the side of the connecting plate away from the springs, which is used to drive the connecting plate to move.

[0010] Preferably, a heat dissipation mechanism for dissipating heat inside the lamp shade is provided at the bottom of the lamp shade. The heat dissipation mechanism includes a plurality of heat dissipation holes provided at the bottom of the lamp shade. A filter screen is provided at the bottom of the lamp shade. Fixing plates are fixedly provided on both sides of the filter screen. First threaded holes are provided on the fixing plates. Second threaded holes are provided at the bottom of the lamp shade. The same first bolt is threadedly connected to the internal of the connected second threaded holes and the internal of the first threaded holes, which is used to dissipate heat inside the lamp shade.

[0011] In the above technical solutions, the technical effects and advantages provided by the present utility model are as follows:

[0012] 1. The dust-proof layer in the present utility model is made of polyester film. By setting the polyester film on the surface of the transparent glass, the transparent glass can have good antistatic performance, which can prevent dust from adsorbing on the surface of the transparent glass, avoid affecting the clarity of the transparent glass, facilitate observing the sign inside the lamp shade, and extend the service life of the present utility model;

[0013] 2. Pull the first handle, pull out the insertion rod from inside the insertion slot through the first handle, then insert the insertion plate on one side of the fixed frame into the insertion slot, release the first handle, and the spring on one side of the first handle drives the insertion rod to move by its own elasticity, and insert the insertion rod into the insertion hole on the insertion plate. The fixed frame can be fixed in front of the lamp shade through the insertion rod, which is convenient for installing the fixed frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0015] Figure 1 It is an exploded view of the present invention;

[0016] Figure 2 It is a front view of the present invention;

[0017] Figure 3 It is a bottom view of the present invention;

[0018] Figure 4 It is a structural schematic diagram of the fixing mechanism of the present invention;

[0019] Figure 5 It is of the present invention Figure 4 The enlarged view of A in;

[0020] Figure 6 It is a structural schematic diagram of the pressing plate of the present invention;

[0021] Figure 7 It is a structural schematic diagram of the protection plate of the present invention;

[0022] Figure 8 It is a structural schematic diagram of the heat dissipation mechanism of the present invention.

[0023] Description of the reference numerals:

[0024] 1 lamp shade, 2 fixed frame, 3 LED lamp board;

[0025] 4 fixing mechanism, 401 insertion plate, 402 insertion slot, 403 insertion rod, 404 insertion hole, 405 connecting plate, 406 spring, 407 first handle;

[0026] 5 protection plate, 501 dust-proof layer, 502 waterproof layer, 503 transparent glass;

[0027] 6 Heat dissipation mechanism, 601 Heat dissipation holes, 602 Filter screen, 603 Fixed plate, 604 First threaded hole, 605 Second threaded hole, 606 First bolt;

[0028] 7 Second handle, 8 Backlight board, 9 Support board, 10 Pressing board, 11 Second bolt. Detailed implementation manners

[0029] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0030] The present invention provides a metal-painted LED backlight sign as shown in Figures 1-8 Figure 13, including a lamp shade 1, a fixing frame 2 is provided on the front side of the lamp shade 1, a protection board 5 is provided inside the fixing frame 2, an LED lamp board 3 for emitting light is provided inside the lamp shade 1, a sign with metal paint is installed on the front side of the LED lamp board 3, two support boards 9 are provided on the front side of the inner part of the lamp shade 1, the same backlight board 8 is provided on the front side of the two support boards 9, a pressing board 10 is fixedly provided on the rear side of the fixing frame 2, second handles 7 are fixedly provided on both sides of the fixing frame 2, and second bolts 11 are threadedly connected to the four corners of the lamp shade 1;

[0031] The sign with metal paint is installed on the front side of the LED lamp board 3. When the LED lamp board 3 is turned on, the LED lamp board 3 illuminates the sign, which is convenient for people to observe the sign. The pressing board 10 on the rear side of the fixing frame 2 can fix the backlight board 8 on the front side of the support board 9, and the backlight board 8 is used for light shielding, thereby reducing the light leakage phenomenon of the LED lamp board 3 and improving the indication effect of the LED lamp board 3.

[0032] As shown in Figure 7 Figure 21, the protection board 5 includes a dust-proof layer 501, a waterproof layer 502 is provided on the rear side of the dust-proof layer 501, a transparent glass 503 is provided on the rear side of the waterproof layer 502, the dust-proof layer 501 is made of polyester film, and the waterproof layer 502 is made of polyethylene film;

[0033] The dust-proof layer 501 in the present invention is made of polyester film. By providing a polyester film on the surface of the transparent glass 503, the transparent glass 503 can have good antistatic performance, can prevent dust from adsorbing on the surface of the transparent glass 503, avoid affecting the clarity of the transparent glass 503, facilitate observing the sign inside the lamp shade 1, and extend the service life of the present invention;

[0034] The waterproof layer 502 in the present utility model is made of a polyethylene film, which is a film with anti-oil and anti-water properties. By providing the waterproof layer 502, the transparent glass 503 can have good waterproof performance, which can avoid water stains from being contaminated on the surface of the transparent glass 503 and improve the clarity of the transparent glass 503.

[0035] As Figure 4 , 5 shown, a fixing mechanism 4 for fixing the fixing frame 2 to the front side of the lamp shade 1 is provided on the front side of the lamp shade 1. The fixing mechanism 4 includes two plug-in plates 401 provided on the rear side of the fixing frame 2. Plug-in slots 402 are opened on both sides of the lamp shade 1. The plug-in plates 401 and the plug-in slots 402 are adapted to each other. Plug-in rods 403 are inserted into both of the plug-in slots 402. Plug-in holes 404 are opened on the plug-in plates 401. The plug-in rods 403 and the plug-in holes 404 are adapted to each other;

[0036] As Figure 4 , 5 shown, one end of each of the two plug-in rods 403 away from each other penetrates through the lamp shade 1 and extends out of one side of the lamp shade 1. A connecting plate 405 is fixedly provided at one end of the plug-in rod 403 extending out of one side of the lamp shade 1. Two springs 406 are fixedly provided on the side of the connecting plate 405 close to the lamp shade 1. One end of the spring 406 close to the lamp shade 1 is fixedly connected to the lamp shade 1. A first handle 407 is fixedly provided on the side of the connecting plate 405 away from the spring 406;

[0037] Pull the first handle 407 to pull the plug-in rod 403 out of the plug-in slot 402. Then insert the plug-in plate 401 on one side of the fixing frame 2 into the plug-in slot 402. Release the first handle 407. The spring 406 on one side of the first handle 407 drives the plug-in rod 403 to move by its own elasticity, and inserts the plug-in rod 403 into the plug-in hole 404 on the plug-in plate 401. The fixing frame 2 can be fixed to the front side of the lamp shade 1 through the plug-in rod 403, which is convenient for installing the fixing frame 2.

[0038] As Figure 8 shown, a heat dissipation mechanism 6 for dissipating heat inside the lamp shade 1 is provided at the bottom of the lamp shade 1. The heat dissipation mechanism 6 includes a plurality of heat dissipation holes 601 opened at the bottom of the lamp shade 1. A filter screen 602 is provided at the bottom of the lamp shade 1. Fixing plates 603 are fixedly provided on both sides of the filter screen 602. First threaded holes 604 are opened on the fixing plates 603. Second threaded holes 605 are opened at the bottom of the lamp shade 1. The same first bolt 606 is threadedly connected to the interior of the connected second threaded hole 605 and the first threaded hole 604;

[0039] The hot air generated by the LED lamp board 3 is discharged through the heat dissipation holes 601, preventing the LED lamp board 3 from being damaged due to excessive temperature and extending the service life of the LED lamp board 3. The filter screen 602 at the bottom of the lamp cover 1 can filter the dust in the air, preventing dust from entering the interior of the lamp cover 1. When it is necessary to clean the dust on the LED lamp board 3, rotate the first bolt 606 and remove the first bolt 606 from the first threaded hole 604 and the second threaded hole 605, then the filter screen 602 can be removed from the bottom of the lamp cover 1, facilitating the cleaning of the dust on the filter screen 602 and preventing the filter screen 602 from being blocked by dust.

[0040] Only some exemplary embodiments of the present utility model have been described by way of illustration. Without doubt, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present utility model. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present utility model.

Claims

1. A metal paint LED backlight sign, comprising a lampshade (1), characterized in that: The lampshade (1) is provided with a fixing frame (2) on the front side, a protective plate (5) is provided inside the fixing frame (2), an LED light board (3) for emitting light is provided inside the lampshade (1), a logo with a metallic paint is installed on the front side of the LED light board (3), two supporting plates (9) are provided on the front side of the lampshade (1), and the same backlight board (8) is provided on the front side of the two supporting plates (9); The protective plate (5) comprises a dustproof layer (501), a waterproof layer (502) is provided on the rear side of the dustproof layer (501), a transparent glass (503) is provided on the rear side of the waterproof layer (502), the dustproof layer (501) is made of a polyester film, and the waterproof layer (502) is made of a polyethylene film; The front side of the lampshade (1) is provided with a fixing mechanism (4) for fixing the fixing frame (2) to the front side of the lampshade (1); A heat dissipation mechanism (6) for dissipating heat from the interior of the lampshade (1) is provided at the bottom of the lampshade (1).

2. The metal paint LED backlighting sign according to claim 1, characterized in that: The fixing mechanism (4) comprises two plug-in plates (401) arranged at the rear side of the fixing frame (2); plug-in slots (402) are provided on both sides of the lampshade (1); the plug-in plates (401) and the plug-in slots (402) are matched with each other; plug-in rods (403) are plugged into the two plug-in slots (402); a plug-in hole (404) is provided on the plug-in plates (401); the plug-in rods (403) and the plug-in holes (404) are matched with each other; the ends of the two plug-in rods (403) that are far away from each other penetrate the lampshade (1) and extend out of one side of the lampshade (1); and a connecting plate (405) is fixedly provided at one end of the plug-in rods (403) that extend out of one side of the lampshade (1).

3. The metal paint LED backlighting sign according to claim 2, characterized in that: Two springs (406) are fixedly provided on a side of the connecting plate (405) close to the lampshade (1); one end of the spring (406) close to the lampshade (1) is fixedly connected to the lampshade (1); and a first handle (407) is fixedly provided on a side of the connecting plate (405) away from the spring (406).

4. The metal paint LED backlighting sign according to claim 1, characterized in that: The heat dissipation mechanism (6) comprises a plurality of heat dissipation holes (601) provided at the bottom of the lampshade (1); a filter screen (602) is provided at the bottom of the lampshade (1); fixing plates (603) are fixedly provided on both sides of the filter screen (602); a first threaded hole (604) is provided on the fixing plate (603); a second threaded hole (605) is provided at the bottom of the lampshade (1); the interior of the second threaded hole (605) and the interior of the first threaded hole (604) are threadedly connected with the same first bolt (606).

5. The metal paint LED backlighting sign according to claim 1, characterized in that: Second handles (7) are fixedly provided on both sides of the fixing frame (2).

6. The metal paint LED backlighting sign according to claim 1, characterized in that: A pressing plate (10) is fixedly provided on the rear side of the fixing frame (2).

7. The metal paint LED backlighting sign according to claim 1, characterized in that: Second bolts (11) are threadedly connected at the four corners of the lampshade (1).

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