LED lamp box capable of playing in rolling mode

Abstract

The utility model relates to an LED lamp box of rolling play in LED lamp box field, including box body, LED lamp group, canvas, rolling subassembly and controller, be equipped with the electric control cavity in the box body, rolling subassembly includes drive roll and wind-up roll, drive roll and wind-up roll respectively parallel arrangement at the both sides of LED lamp group, one end of canvas is fixedly connected with the wind-up roll, the other end of canvas is connected with the controller. A fixing disc and a reset reel are arranged in the electric control cavity and detachably connected with the two ends of the winding roller in a butt joint mode respectively, a butt joint sleeve and a clockwork spring are arranged in the reset reel, the end, away from the fixing disc, of the winding roller is inserted into the butt joint sleeve, and a compression spring is arranged between the fixing disc and the box body. The fixing disc is in butt joint with the end, away from the reset reel, of the winding roller through the pressing spring, the canvas is wound on the winding roller, the fixing disc presses the winding roller through the pressing spring, and therefore the winding roller is installed in the electric control cavity, the winding roller can be easily taken out of the electric control cavity, and the canvas is rapidly replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of LED lamp box, especially a kind of LED lamp box of rolling play. BACKGROUND

[0002] As an important advertising tool, LED lamp boxes are widely used in commercial districts, shopping centers, exhibition displays and other occasions. It illuminates the display content on the canvas through LED light group to attract people's attention and convey information. LED lamp box has the advantages of high brightness, bright color, energy saving and environmental protection, and becomes an indispensable part of modern advertising. However, with the increase of use time, the content on the canvas needs to be replaced regularly to maintain the freshness and attractiveness of the advertisement.

[0003] In the existing design of LED lamp box, the replacement of canvas is often a complex and tedious process. The winding roller of the canvas is usually connected with the bearing seat in the box body. When replacing, the winding roller needs to be disassembled from the bearing seat or the canvas needs to be taken off from the winding roller separately by using tools. This not only wastes time and effort, but also may cause damage to the winding roller or the canvas, resulting in the old winding roller or canvas cannot be reused, the operation is complex, professional personnel are needed to replace, and the replacement cost and difficulty are large. UTILITY MODEL CONTENT

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a kind of LED lamp box of rolling play, which can effectively solve the technical problem of complex canvas replacement.

[0005] The technical scheme adopted by the utility model to solve its technical problems is:

[0006] A kind of LED light box of rolling play, including box, LED lamp group, canvas, rolling component and controller, electric control cavity is provided in box, LED lamp group, canvas, controller and rolling component are all set in electric control cavity, show content is printed on canvas, canvas is installed on rolling component, the surface of box is provided with display window, the content in canvas can be seen outside the box through display window, LED lamp group is aligned with display window, LED lamp group is used to light the content in canvas, display window is connected with box by hinge, the rolling component includes driving roller and winding roller, driving roller and winding roller are respectively arranged in parallel in the two sides of LED lamp group, one end of canvas is fixedly connected with winding roller, canvas can be wound by winding roller, fixed disc and reset reel are provided in electric control cavity, fixed disc and reset reel are respectively detachably butted with the two ends of winding roller, butt joint sleeve and clockwork spring are provided in reset reel, the end of winding roller away from fixed disc is inserted into butt joint sleeve, winding roller rotates to drive butt joint sleeve to rotate synchronously in reset reel and make clockwork spring tighten, compression spring is arranged between fixed disc and box, fixed disc is butted with the end of winding roller away from reset reel by compression spring, one end of driving roller is connected with driving motor, positioning slot is provided on driving roller, positioning buckle is provided on the end of canvas away from winding roller, positioning buckle can be inserted into positioning slot in pairs, LED lamp group and driving motor are electrically connected with controller.

[0007] Further, the fixed disc is provided with a positioning frustum, the positioning frustum is rotatably connected with the fixed disc, the end of the winding roller close to the fixed disc is provided with a positioning hole, the positioning frustum can be inserted into the positioning hole under the action of the compression spring, and the side wall of the positioning frustum is in close contact with the inner wall of the positioning hole.

[0008] Further, the electric control cavity is provided with a fixing frame, the fixing frame is provided with a guide sleeve, the end of the winding roller away from the fixed disc is provided with a guide rod, one end of the guide rod passes through the guide sleeve.

[0009] Further, the positioning slot and the positioning buckle are provided with magnetic blocks that can be attracted to each other.

[0010] Further, the electric control cavity is provided with an inductor, the inductor is electrically connected with the controller, the canvas is provided with a plurality of inductive sheets for generating an inductive signal with the inductor.

[0011] Further, the box is provided with a heat dissipation port and an air inlet, the air inlet is provided with a suction fan.

[0012] Compared with the prior art, the canvas can be taken off when the display window is opened, one end of the canvas is separated from the driving roller, the winding roller is moved to the direction of the fixed disc, the winding roller is separated from the butt joint sleeve, and then the end of the winding roller away from the fixed disc is moved out of the electric control cavity, so that the winding roller and the canvas can be taken off; when the canvas needs to be installed, the winding roller is inclined and placed in the electric control cavity, the end of the winding roller is aligned with the fixed disc, the fixed disc is pushed, the other end is aligned with the reset reel, and then it is loosened, under the action of the compression spring, the end of the winding roller is inserted into the butt joint sleeve and fixed between the fixed disc and the reset reel, and then the positioning buckle of the canvas is connected with the positioning clamping groove on the driving roller, and the installation is completed after the display window is covered.

[0013] The canvas is wound on the winding roller, the fixed disc is pressed against the winding roller by the compression spring, so that the winding roller is installed in the electric control cavity, the winding roller can be easily taken out of the electric control cavity, the canvas can be quickly replaced, the process of replacing the canvas is simplified, and the difficulty of replacing the canvas is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic view of the utility model;

[0015] Figure 2 It is a schematic view of the rolling assembly in the utility model;

[0016] Figure 3 It is a structural schematic view of the utility model;

[0017] Figure 4 It is a connection schematic view of the fixed disc and the winding roller in the utility model;

[0018] Figure 5 It is a connection schematic view of the reset reel and the winding roller in the utility model;

[0019] Reference signs in the drawing: 1 - box body, 2 - LED lamp set, 3 - canvas, 301 - positioning buckle, 4 - display window, 5 - driving roller, 501 - positioning clamping groove, 6 - winding roller, 601 - positioning hole, 7 - fixed disc, 701 - positioning cone, 8 - reset reel, 801 - butt joint sleeve, 802 - clockwork spring, 9 - compression spring, 10 - fixed frame, 11 - guide rod, 12 - driving motor. DETAILED DESCRIPTION

[0020] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0021] The utility model discloses a kind of LED lamp boxes of rolling play, which will be described in detail as follows. Figures 1-5 The utility model discloses a kind of LED lamp boxes of rolling play, which will be described in detail as follows.

[0022] A kind of LED lamp box of rolling play, including box 1, LED lamp group 2, canvas 3, rolling assembly and controller, electric control cavity is provided in box 1, LED lamp group 2, canvas 3, controller and rolling assembly are all set in electric control cavity, canvas 3 is printed with display content, canvas 3 is installed on rolling assembly, the surface of box 1 is provided with display window 4, the content in canvas 3 can be seen outside box 1 through display window 4, LED lamp group 2 is aligned with display window 4, LED lamp group 2 is used to light the content in canvas 3, display window 4 is connected by hinge with box 1, the rolling assembly includes driving roller 5 and winding roller 6, driving roller 5 and winding roller 6 are respectively arranged in parallel in the two sides of LED lamp group 2, one end of canvas 3 is fixedly connected with winding roller 6, canvas 3 can be wound by winding roller 6, fixed disc 7 and reset reel 8 are provided in electric control cavity, fixed disc 7 and reset reel 8 are respectively detachably butted with the two ends of winding roller 6, reset reel 8 is provided with butt joint sleeve 801 and clockwork spring 802, the end of winding roller 6 away from fixed disc 7 is inserted into butt joint sleeve 801, winding roller 6 rotates to drive butt joint sleeve 801 to rotate synchronously in reset reel 8 and make clockwork spring 802 tighten, fixed disc 7 is provided with compression spring 9 between box 1, fixed disc 7 is butted with the end of winding roller 6 away from reset reel 8 by compression spring 9, one end of driving roller 5 is connected with driving motor 12, driving roller 5 is provided with positioning clamping groove 501, one end of canvas 3 away from winding roller 6 is provided with positioning buckle 301, positioning buckle 301 can be matched and inserted into positioning clamping groove 501, the magnetic block that can be mutually adsorbed is provided on positioning clamping groove 501 and positioning buckle 301, LED lamp group 2 and driving motor 12 are electrically connected with controller.

[0023] When canvas 3 needs to be removed, display window 4 is opened first, one end of canvas 3 is separated from driving roller 5 first, then winding roller 6 is moved towards fixed disc 7, so that winding roller 6 is separated from butt joint sleeve 801, then the end of winding roller 6 away from fixed disc 7 is moved out of electric control cavity, and then winding roller 6 and canvas 3 can be removed;

[0024] When the canvas 3 needs to be installed, the winding roller 6 is first inclinedly placed into the electric control cavity, one end of the winding roller 6 is aligned with the fixed disc 7, the fixed disc 7 is pushed, the other end is aligned with the reset winding disc 8, and then the fixed disc 7 is loosened, under the action of the compression spring 9, one end of the winding roller 6 is inserted into the butt joint sleeve 801 and fixed between the fixed disc 7 and the reset winding disc 8, then the positioning buckle 301 of the canvas 3 is butted with the positioning clamping groove 501 on the driving roller 5, the display window 4 is covered, and the installation is completed.

[0025] The canvas 3 is wound on the winding roller 6, the fixed disc 7 is pressed against the winding roller 6 through the compression spring 9, so that the winding roller 6 is installed in the electric control cavity, the winding roller 6 can be easily taken out of the electric control cavity, the canvas 3 can be quickly replaced, the process of replacing the canvas 3 is simplified, and the difficulty of replacing the canvas 3 is reduced.

[0026] The fixed disc 7 is provided with a positioning conical frustum 701, the positioning conical frustum 701 is rotationally connected with the fixed disc 7, one end of the winding roller 6 close to the fixed disc 7 is provided with a positioning hole 601, the positioning conical frustum 701 can be inserted into the positioning hole 601 under the action of the compression spring 9, and the side wall of the positioning conical frustum 701 is in close contact with the inner wall of the positioning hole 601, the electric control cavity is provided with a fixing frame 10, the fixing frame 10 is provided with a guide sleeve, one end of a guide rod 11 away from the winding roller 6 is provided on the fixed disc 7, and one end of the guide rod 11 penetrates through the guide sleeve.

[0027] The rolling playing principle is that the driving motor 12 drives the driving roller 5 to rotate, one end of the canvas 3 is connected with the driving roller 5 through the positioning buckle 301 and the positioning clamping groove 501, the driving roller 5 rotates to pull and wind the canvas 3, the canvas 3 is pulled by the driving roller 5 to roll and play, the winding roller 6 rotates when the canvas 3 rolls, and the clockwork spring 802 is tightened, when the canvas 3 is rolled to the end, the driving motor 12 reverses to make the driving roller 5 loosen the canvas 3, the winding roller 6 winds the canvas 3 loosened by the driving roller 5 under the action of the clockwork spring 802, so that the canvas 3 is rolled and played in the reverse direction again, and the process is repeated.

[0028] The electric control cavity is provided with an inductor, the inductor is electrically connected with a controller, the canvas 3 is provided with a plurality of inductive sheets for generating an inductive signal with the inductor, the canvas 3 is printed with a plurality of display contents, the inductive sheets are arranged between two display contents, when the canvas 3 rolls, the inductor senses the inductive sheets, the controller receives the signal and controls the driving motor 12 to stop rotating for 15 seconds, the driving motor 12 is started again to make the canvas 3 roll after 15 seconds, and the process is repeated to realize intermittent display of the contents on the canvas 3.

[0029] The box body 1 is provided with a heat dissipation opening and an air inlet, the air inlet is provided with an air suction fan, the heat dissipation efficiency is improved, and the heat of the LED lamp set 2 is prevented from accumulating in the electric control cavity.

[0030] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application 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. No feature of the application is considered critical unless it is expressly stated in the claims.

Claims

1. A LED light box for rolling play, comprising a box body, a LED light group, a canvas, a rolling assembly and a controller, an electric control cavity is arranged in the box body, the LED light group, the canvas, the controller and the rolling assembly are arranged in the electric control cavity, the canvas is printed with display content, the canvas is installed on the rolling assembly, a display window is arranged on the surface of the box body, the content in the canvas can be seen outside the box body through the display window, the LED light group is aligned with the display window, the LED light group is used for illuminating the content in the canvas, and the display window is connected with the box body through a hinge. The rolling assembly comprises a driving roller and a winding roller, which are arranged in parallel on two sides of the LED lamp set respectively, one end of the canvas is fixedly connected with the winding roller, the canvas can be wound by the winding roller, the electric control cavity is provided with a fixed disc and a reset reel, the fixed disc and the reset reel are detachably connected with two ends of the winding roller respectively, the reset reel is provided with a butt joint sleeve and a clockwork spring, one end of the winding roller away from the fixed disc is inserted into the butt joint sleeve, the winding roller drives the butt joint sleeve to rotate synchronously in the reset reel when rotating and makes the clockwork spring tighten, the fixed disc and the box body are provided with a compression spring, the fixed disc is connected with one end of the winding roller away from the reset reel through the compression spring, one end of the driving roller is connected with a driving motor, the driving roller is provided with a positioning clamping groove, the canvas is provided with a positioning buckle away from the winding roller, the positioning buckle can be inserted into the positioning clamping groove in pairs, and the LED lamp set and the driving motor are electrically connected with the controller.

2. A scrolling LED light box according to claim 1, wherein: The fixed disc is provided with a positioning cone, the positioning cone is rotationally connected with the fixed disc, one end of the winding roller close to the fixed disc is provided with a positioning hole, the positioning cone can be inserted into the positioning hole under the action of the compression spring, and the side wall of the positioning cone is in close contact with the inner wall of the positioning hole.

3. The scrolling LED light box of claim 1, wherein: The electric control cavity is provided with a fixing frame, the fixing frame is provided with a guide sleeve, one end of the fixed disc away from the winding roller is provided with a guide rod, and one end of the guide rod passes through the guide sleeve.

4. A scrolling LED light box according to any one of claims 1 to 3, wherein: The positioning clamping groove and the positioning buckle are provided with magnetic blocks that can be adsorbed to each other.

5. A scrolling LED light box according to any one of claims 1-3, wherein: The electric control cavity is provided with an inductor, the inductor is electrically connected with the controller, and the canvas is provided with a plurality of inductive sheets for generating an inductive signal with the inductor.

6. A scrolling LED light box according to any one of claims 1-3, wherein: The box body is provided with a heat dissipation opening and an air inlet, and the air inlet is provided with a suction fan.

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