Waterproof LED lamp board

Abstract

The waterproof LED lamp board comprises a box assembly, an LED lamp strip is installed on the inner side of the box assembly, a fixing assembly is installed at the upper end of the box assembly and comprises a rotating rod and a cover plate, the outer side of the rotating rod is fixedly connected with a limiting block, the outer side of the rotating rod is sleeved with a limiting sleeve, and the limiting sleeve is in sliding connection with the limiting block. A spring sleeves the outer side of the rotating rod and is located between the limiting sleeve and the limiting block, a limiting ring sleeves the other end of the outer side of the rotating rod, a toothed bar is fixedly connected to one end of the rotating rod, a sealing piece is fixedly connected to the periphery of the bottom end of the cover plate, a plurality of racks are fixedly connected to the center of the bottom end of the cover plate, and the racks are in meshed connection with the toothed bar; according to the invention, the advertisement picture can be conveniently installed, and the disassembly and assembly steps during the installation of the advertisement picture are reduced.

Description

Technical Field

[0001] The present application relates to the technical field of LED light boards, and in particular to a waterproof LED light board. Background Art

[0002] LED light board, also known as LED billboard or LED display board, is a device that uses LED light tubes to form text and patterns on a substrate. It is powered by a power supply and can emit various colors such as red, yellow, orange, blue, white, green, and pink. It can also achieve flashing, changing and other effects to achieve the purpose of publicity and display.

[0003] However, in actual applications, when replacing advertising images on existing LED light boards, it is usually necessary to use tools to unscrew many fixing screws to disassemble them before replacing the advertising images. After replacing the advertising images, tools are still needed to fix the fixing screws, and the process of replacing the advertising images is cumbersome.

[0004] Therefore, those skilled in the art provide a waterproof LED light sign to solve the problems raised in the above background technology. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the present application provides a waterproof LED light sign.

[0006] The waterproof LED light board provided in this application adopts the following technical solution:

[0007] A waterproof LED light sign comprises a box assembly, an LED light strip is installed on the inner side of the box assembly, a fixing assembly is installed on the upper end of the box assembly, the fixing assembly comprises a rotating rod and a cover plate, a limiting block is fixedly connected to the outer side of the rotating rod, a limiting sleeve is sleeved on the outer side of the rotating rod, the limiting sleeve is slidably connected to the limiting block, a spring is sleeved on the outer side of the rotating rod and located between the limiting sleeve and the limiting block, a limiting ring is sleeved on the outer side of the rotating rod near the other end, a gear rod is fixedly connected to one end of the rotating rod, a sealing member is fixedly connected to the bottom end of the cover plate around it, a plurality of racks are fixedly connected to the center of the bottom end of the cover plate, and the racks are meshingly connected to the gear rod.

[0008] Preferably, the box assembly includes an advertising box, the inner side of the advertising box is movably connected to a rotating part near the bottom, the front end of the opening on the rotating part is fixedly connected to an acrylic plate, a fixing part is fixedly connected to the acrylic plate, sealing rubber rings are respectively installed on both sides of the rotating part, sealing strips are installed on the front of the two side surfaces inside the advertising box, and a sealing strip is fixedly connected to the rear end of the opening on the rotating part.

[0009] Preferably, a first extrusion strip is fixedly connected to the front of the bottom end of the cover plate, and a second extrusion strip is fixedly connected to the top of the front end of the acrylic plate.

[0010] Preferably, a desiccant is provided on the inner side of the rotating member, and the desiccant removes moisture in the box assembly.

[0011] Preferably, the proximal ends of the limiting ring and the limiting sleeve are both provided with latching teeth, the gear rod and the rotating rod are movably connected to the advertising box body, and the limiting ring is fixedly connected to the side wall of the advertising box body.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] 1. The acrylic plate is opened by rotating the rotating part, and the advertising picture is placed between the acrylic plate and the fixing part. The rotating rod cooperates with the gear rod, the rack, the cover plate, the sealing part, the first extrusion strip and the second extrusion strip to fix the acrylic plate, and the advertising box and the top of the acrylic plate are closed. The rotating rod cooperates with the limit block, the limit sleeve, the spring and the limit ring to limit the rotating rod and the gear rod, and the limit sleeve can be slid away from the limit ring to cancel the limit. It has the effect of conveniently installing the advertising picture, reducing the disassembly and assembly steps when installing the advertising picture. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of this application;

[0015] Figure 2 It is a schematic diagram of the internal structure of this application;

[0016] Figure 3 It is a partial structural schematic diagram of the box assembly of the present application;

[0017] Figure 4 is a cross-sectional view of the limit sleeve of the present application;

[0018] Figure 5 It is a schematic diagram of the structure of the limiting ring of the present application.

[0019] Explanation of the reference numerals: 1. Box assembly; 101. Advertising box; 102. Rotating part; 103. Acrylic plate; 104. Fixing part; 105. Sealing rubber ring; 106. Desiccant; 2. LED light strip; 3. Fixing assembly; 301. Rotating rod; 302. Limiting block; 303. Limiting sleeve; 304. Spring; 305. Limiting ring; 306. Gear rod; 307. Rack; 308. Cover plate; 309. Sealing part; 310. First extrusion strip; 311. Second extrusion strip. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] like Figure 1 , 2 As shown in Figures 4 and 5, the present application discloses a waterproof LED light board, including a box assembly 1, an LED light strip 2 is installed on the inner side of the box assembly 1, a fixing assembly 3 is installed on the upper end of the box assembly 1, and the fixing assembly 3 includes a rotating rod 301 and a cover plate 308, a limiting block 302 is installed on the outer side of the rotating rod 301, a limiting sleeve 303 is sleeved on the outer side of the rotating rod 301, and the limiting sleeve 303 is slidably connected with the limiting block 302, a spring 304 is sleeved on the outer side of the rotating rod 301 and located between the limiting sleeve 303 and the limiting block 302, and a limiting ring 304 is sleeved on the outer side of the rotating rod 301 near the other end. 05, a gear rod 306 is installed at one end of the rotating rod 301, a sealing member 309 is installed around the bottom end of the cover plate 308, a plurality of gear racks 307 are installed in the center of the bottom end of the cover plate 308, the gear racks 307 are meshed and connected with the gear rod 306, a first extrusion strip 310 is installed at the front of the bottom end of the cover plate 308, a second extrusion strip 311 is installed at the front end of the acrylic plate 103, the proximal ends of the limiting ring 305 and the limiting sleeve 303 are provided with latch teeth, the gear rod 306 and the rotating rod 301 are movably connected with the advertising box body 101, and the limiting ring 305 is fixedly connected with the side wall of the advertising box body 101;

[0023] The toothed bar 306 is driven to rotate by rotating the rotating rod 301, and the toothed bar 306 drives the rack 307 and the cover plate 308 to descend, and the cover plate 308 cooperates with the sealing member 309 to seal the space formed by the advertising box 101 and the acrylic plate 103. The first extrusion strip 310 cooperates with the second extrusion strip 311, and the acrylic plate 103 and the advertising box 101 can be driven to close by extrusion. The locking teeth between the limiting ring 305 and the limiting sleeve 303 can make the limiting sleeve 303 rotate only in one direction, and the rotating rod 301 and the toothed bar 306 are limited. The rotating rod 301 and the toothed bar 306 can be released from the limit by pushing the limiting sleeve 303 away from the limiting ring 305.

[0024] like Figure 1-3As shown, the box assembly 1 includes an advertising box 101, a rotating member 102 is installed on the inner side of the advertising box 101 near the bottom, an acrylic plate 103 is installed on the front end of the opening of the rotating member 102, a fixing member 104 is installed on the acrylic plate 103, sealing rubber rings 105 are installed on both sides of the rotating member 102, sealing strips are installed on the front of the two side surfaces inside the advertising box 101, and a sealing strip is installed on the rear end of the opening of the rotating member 102. The advertising picture can be installed between the acrylic plate 103 and the fixing member 104, and the acrylic plate 103 can be opened by rotating the rotating member 102, so as to facilitate the installation and removal of the advertising picture.

[0025] like Figure 2-3 As shown, a desiccant 106 is provided on the inner side of the rotating member 102, and the desiccant 106 removes moisture in the box assembly 1.

[0026] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0028] The implementation principle of a waterproof LED light board in the embodiment of the present application is:

[0029] When the advertising picture needs to be replaced, the limiting sleeve 303 is pushed away from the limiting ring 305, and the rotating rod 301 is rotated in the opposite direction. The rotating rod 301 drives the gear rod 306 to rotate in the opposite direction. The gear rod 306 drives the rack 307, the cover plate 308 and the first extrusion strip 310 to rise, and the fixation of the acrylic plate 103 is cancelled. The acrylic plate 103 is rotated through the rotating member 102, and the advertising picture between the acrylic plate 103 and the fixing member 104 is replaced. After the advertising picture is replaced, After that, the acrylic plate 103 is pushed to reset, and the rotating rod 301 is rotated forward. The rotating rod 301 cooperates with the gear rod 306 to drive the rack 307, the cover plate 308, the sealing member 309 and the first extrusion strip 310 to descend. The first extrusion strip 310 squeezes the second extrusion strip 311 to fix the acrylic plate 103. The rotating rod 301 drives the limiting sleeve 303 to rotate through the limiting block 302. The spring 304 pushes the limiting sleeve 303 to contact the limiting ring 305, so as to limit the rotating rod 301.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A waterproof LED light board, comprising a box assembly (1), an LED light bar (2) is installed inside the box assembly (1), and a fixing assembly (3) is installed at the upper end of the box assembly (1), characterized in that: The fixing assembly (3) comprises a rotating rod (301) and a cover plate (308); the outer side of the rotating rod (301) is fixedly connected to a limiting block (302); a limiting sleeve (303) is sleeved on the outer side of the rotating rod (301); the limiting sleeve (303) is slidably connected to the limiting block (302); a spring (304) is sleeved on the outer side of the rotating rod (301) and located between the limiting sleeve (303) and the limiting block (302); a limiting ring (305) is sleeved on the outer side of the rotating rod (301) near the other end; one end of the rotating rod (301) is fixedly connected to a toothed rod (306); the bottom end of the cover plate (308) is fixedly connected to a sealing member (309) around the periphery; a plurality of toothed racks (307) are fixedly connected to the center of the bottom end of the cover plate (308); the toothed racks (307) are meshingly connected to the toothed rod (306).

2. A waterproof LED light sign according to claim 1, characterized in that: The box assembly (1) comprises an advertising box (101), the inner side of the advertising box (101) is movably connected to a rotating member (102) near the bottom, the front end of the upper opening of the rotating member (102) is fixedly connected to an acrylic plate (103), the acrylic plate (103) is fixedly connected to a fixing member (104), sealing rubber rings (105) are respectively installed on both sides of the rotating member (102), sealing rubber strips are installed near the front of the two side surfaces inside the advertising box (101), and the rear end of the upper opening of the rotating member (102) is fixedly connected to a sealing rubber strip.

3. The waterproof LED light board according to claim 1, characterized in that: A first extrusion strip (310) is fixedly connected to the front of the bottom end of the cover plate (308), and a second extrusion strip (311) is fixedly connected to the top of the front end of the acrylic plate (103).

4. The waterproof LED light board according to claim 2, characterized in that: A desiccant (106) is provided on the inner side of the rotating member (102), and the desiccant (106) removes moisture from the box assembly (1).

5. The waterproof LED light board according to claim 1, characterized in that: The proximal ends of the limiting ring (305) and the limiting sleeve (303) are both provided with latching teeth, the gear rod (306) and the rotating rod (301) are movably connected to the advertising box (101), and the limiting ring (305) is fixedly connected to the side wall of the advertising box (101).

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