Advertising lamp box frame

Abstract

The utility model discloses an advertising lamp box frame, which relates to the technical field of advertising and comprises a lamp frame for mounting advertising posters, a base is arranged at the bottom of the lamp frame, and two clamping components are arranged at the top of the base and used for clamping and fixing the advertising posters with different sizes. The clamping assembly comprises a U-shaped moving frame, an open groove is formed in the top of the base, the U-shaped moving frame is arranged on one side of the top of the open groove, two opposite trapezoidal clamping plates are arranged in the U-shaped moving frame, and three telescopic rods are fixedly arranged between the trapezoidal clamping plates and one side of the interior of the U-shaped moving frame. According to the advertising poster clamp, the two trapezoidal clamping plates on the same side are separated, one end of an advertising poster is placed between the two trapezoidal clamping plates to be clamped and fixed, and therefore the advertising posters of different sizes can be clamped conveniently, operation of mounting and dismounting of the advertising poster becomes easy and convenient, and the advertising poster clamp is convenient to use. The time required for mounting and dismounting the advertising poster is greatly saved, and the advertising poster is convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of advertising, in particular to an advertising light box frame. Background Art

[0002] Advertising light boxes are a common advertising display tool. Their main feature is their internal light source. Through their transparent or translucent surface, advertising images or text can be illuminated at night or in low-light environments, attracting attention and enhancing advertising effectiveness. Light boxes are widely used in public places such as commercial districts, shopping malls, bus stations, and subway stations, as well as in store signs and billboards. They consist of advertising posters of various sizes fixed within a frame.

[0003] For example, Chinese patent application number CN202122882231.8 discloses an advertising light box frame, comprising a back panel and a fixing portion provided on the back panel, wherein the fixing portion is rotatably connected to the back panel, wherein the fixing portion is in a first position when abutting against the back panel and in a second position when opening outward, and further comprising a support structure for fixing the fixing portion in the first position and the second position. In response to the technical problem that existing advertising light box frames are not convenient for installing advertising canvases, this utility model provides an advertising light box frame that can improve the stability of the advertising canvas when clamping it and facilitate the installation and fixation of the advertising canvas.

[0004] However, in actual use, the sizes of advertising posters are different. The above device can only fix the advertising posters through the springs on the two back frames. It is impossible to adjust the distance between the back frames according to the size of the advertising posters. The clamping effect of the springs has limitations, and it is still impossible to achieve the purpose of fixing advertising posters of different sizes. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides an advertising light box frame. By prying apart the two trapezoidal clamping plates on the same side, one end of the advertising poster is placed between the two trapezoidal clamping plates for clamping and fixing, thereby facilitating the clamping of advertising posters of different sizes and simplifying the installation and removal of advertising posters, greatly saving the time required for installation and removal of advertising posters, being easy to use, and effectively solving the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an advertising light box frame, comprising a light frame for mounting advertising posters, wherein a base is provided at the bottom of the light frame;

[0007] Two clamping components are provided on the top of the base for clamping and fixing advertising posters of different sizes;

[0008] The clamping assembly includes a U-shaped moving frame, a slot is provided on the top of the base, the U-shaped moving frame is arranged on one side of the top of the slot, two opposite trapezoidal clamping plates are provided inside the U-shaped moving frame, three telescopic rods are fixed between the trapezoidal clamping plates and one side of the interior of the U-shaped moving frame, a spring is provided on the telescopic rod, and two ends of the spring are respectively fixed to the trapezoidal clamping plates and a side wall inside the U-shaped moving frame.

[0009] Preferably, a limit block is fixedly provided at the bottom of the U-shaped moving frame, and the limit block is slidably engaged in the slot to facilitate limiting the movement of the U-shaped moving frame. Moving blocks are fixedly provided at both the front and rear ends of one side of the bottom of the U-shaped moving frame.

[0010] Preferably, the moving block is threadedly connected with bolts for fixing the U-shaped moving frame and the base, and the two moving blocks on the same side are respectively arranged on the front and rear sides of the slot, which is convenient for unscrewing the bolts on the moving block. The U-shaped moving frame slides horizontally along the slot to adjust the distance between the two U-shaped moving frames, which is convenient for clamping advertising posters of different sizes.

[0011] Preferably, a base plate is fixed on the rear side of the lamp frame, a light guide plate is fixed on the front side of the base plate, through grooves are opened on the inner walls on both sides of the lamp frame, and LED light strips are fixed inside the through grooves to make the lighting more uniform.

[0012] Preferably, a connecting frame is provided on the front side of the lamp frame, a transparent observation window is fixedly provided inside the connecting frame, and the two U-shaped movable frames are both provided between the light guide plate and the transparent observation window, so as to facilitate observation of the content of the advertising poster through the transparent observation window.

[0013] Preferably, the four front corners of the connecting frame are threadedly connected with bolts for fixing the lamp frame and the connecting frame, and fixing plates are fixed on both sides of the bottom of the lamp frame, and the fixing plates are threadedly connected with bolts for fixing the lamp frame and the base, so that it is easy to unscrew the bolts and separate the lamp frame and the base, thereby facilitating the installation and removal of advertising posters.

[0014] Compared with the prior art, the present invention provides an advertising light box frame with the following beneficial effects:

[0015] The utility model opens two trapezoidal clamping plates on the same side and places one end of the advertising poster between the two trapezoidal clamping plates. The trapezoidal clamping plates are retracted under the elastic action of the spring, so that the two trapezoidal clamping plates clamp and fix the advertising poster, and then tighten the advertising poster, thereby facilitating the clamping of advertising posters of different sizes and simplifying the operation of installing and removing the advertising posters, greatly saving the time required for installing and removing the advertising posters and making it convenient to use. Brief Description of the Drawings

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is a rear view of the overall structure of the present utility model;

[0018] Figure 3 is a sectional view of the overall structure of the present utility model;

[0019] Figure 4 is a schematic diagram of the structure of the clamping assembly of the present utility model;

[0020] Figure 5 is a disassembled schematic diagram of the overall structure of the present utility model with the clamping assembly removed;

[0021] Figure 6 of the present utility model Figure 4 is an enlarged view of part A.

[0022] In the figure: 1 lamp frame, 2 base, 3 connecting frame, 4 transparent observation window, 5 clamping assembly, 6 bottom plate, 7 light guide plate, 8 LED light strip, 9 slot, 10 fixing plate;

[0023] 51 U-shaped moving frame, 52 trapezoidal clamping plate, 53 moving block, 54 limiting block, 55 telescopic rod, 56 spring. Detailed Description of the Preferred Embodiment

[0024] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0025] As Figures 1-6 shown, the present utility model provides an advertising light box frame, which includes a lamp frame 1 for installing advertising posters, and a base 2 is provided at the bottom of the lamp frame 1.

[0026] As Figures 1-3 , 5 shown, a bottom plate 6 is fixedly provided at the rear side of the lamp frame 1, a light guide plate 7 is fixedly provided at the front side of the bottom plate 6, through grooves are provided on both inner walls of the lamp frame 1, and LED light strips 8 are fixedly provided inside the through grooves to make the light more uniform. A connecting frame 3 is provided at the front side of the lamp frame 1, and a transparent observation window 4 is fixedly provided inside the connecting frame 3 to facilitate observing the content of the advertising poster through the transparent observation window 4. Bolts for fixing between the lamp frame 1 and the connecting frame 3 are threadedly connected to the four corners of the front side of the connecting frame 3. Fixing plates 10 are fixedly provided on both sides of the bottom of the lamp frame 1, and bolts for fixing between the lamp frame 1 and the base 2 are threadedly connected to the fixing plates 10, so as to facilitate unscrewing the bolts to separate the lamp frame 1 and the base 2, which is convenient for installing and disassembling the advertising poster.

[0027] like Figures 1-4 As shown in Figures 6 and 7, two clamping assemblies 5 are provided on the top of the base 2 for clamping and fixing advertising posters of different sizes. The clamping assemblies 5 include a U-shaped movable frame 51. Both of the U-shaped movable frames 51 are provided between the light guide plate 7 and the transparent observation window 4. A slot 9 is provided on the top of the base 2. The U-shaped movable frame 51 is provided on one side of the top of the slot 9. Two opposing trapezoidal clamping plates 52 are provided inside the U-shaped movable frame 51. Three telescopic rods 55 are fixed between the trapezoidal clamping plates 52 and one side of the interior of the U-shaped movable frame 51. A spring 56 is sleeved on the telescopic rod 55. The two ends of the spring 56 are respectively fixed to the trapezoidal clamping plates 52 and a side wall inside the U-shaped movable frame 51.

[0028] A limit block 54 is fixedly provided at the bottom of the U-shaped movable frame 51, and the limit block 54 is slidably engaged in the slot 9 to facilitate limiting the movement of the U-shaped movable frame 51. Moving blocks 53 are fixedly provided at both front and rear ends of one side of the bottom of the U-shaped movable frame 51. The moving blocks 53 are threadedly connected with bolts for fixing the U-shaped movable frame 51 and the base 2, and the two moving blocks 53 on the same side are respectively arranged at the front and rear sides of the slot 9, which is convenient for unscrewing the bolts on the moving blocks 53. The U-shaped movable frame 51 slides horizontally along the slot 9 to adjust the distance between the two U-shaped movable frames 51, which is convenient for clamping advertising posters of different sizes.

[0029] By setting the clamping assembly 5, first unscrew the bolts on the fixing plates 10 at both ends of the top of the base 2, take out the base 2 and the two clamping assemblies 5 on its top, and then, according to the length of the advertising poster to be clamped and fixed, unscrew the bolts on the moving block 53, manually push the U-shaped moving frame 51, and drive the bottom limit block 54 to slide horizontally inside the slot 9, so that the advertising poster can be clamped between the two U-shaped moving frames 51. Then, manually pry open the two trapezoidal clamping plates 52 on the same side, and the trapezoidal clamping plates 52 will squeeze the telescopic rod 55 and the spring 56;

[0030] Then place one end of the advertising poster between the two trapezoidal clamping plates 52. The trapezoidal clamping plates 52 will be retracted under the elastic action of the spring 56, so that the two trapezoidal clamping plates 52 clamp and fix the advertising poster. After fixing, tighten the advertising poster, and then tighten the bolts on the movable block 53 to facilitate fixing the position of the advertising poster. Finally, install it into the lamp frame 1, and tighten the bolts on the fixing plate 10 to facilitate clamping advertising posters of different sizes. It also makes the operation of installing and removing advertising posters simple, greatly saving the time required for installing and removing advertising posters, and making it convenient to use.

[0031] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed.

Claims

1. An advertising light box frame, comprising a light frame (1) for installing an advertising poster, characterized in that: A base (2) is provided at the bottom of the lamp frame (1); Two clamping components (5) are provided at the top of the base (2) for clamping and fixing advertising posters of different sizes; The clamping component (5) includes a U-shaped movable frame (51). A slot (9) is formed at the top of the base (2). The U-shaped movable frame (51) is arranged on one side at the top of the slot (9). Two opposite trapezoidal clamping plates (52) are arranged inside the U-shaped movable frame (51). Three telescopic rods (55) are fixedly arranged between the trapezoidal clamping plate (52) and one side inside the U-shaped movable frame (51). A spring (56) is sleeved on the telescopic rod (55). Two ends of the spring (56) are respectively fixed to the trapezoidal clamping plate (52) and one side inner wall of the U-shaped movable frame (51).

2. The advertising light box frame according to claim 1, characterized in that: A limit block (54) is fixedly arranged at the bottom of the U-shaped movable frame (51). The limit block (54) is slidably clamped in the slot (9). Moving blocks (53) are fixedly arranged at the front and rear ends on one side of the bottom of the U-shaped movable frame (51).

3. The advertising light box frame according to claim 2, wherein: A bolt for fixing between the U-shaped movable frame (51) and the base (2) is connected to the moving block (53) by a thread. And the two moving blocks (53) on the same side are respectively arranged on the front and rear sides of the slot (9).

4. The advertising light box frame according to claim 3, characterized in that: A bottom plate (6) is fixedly arranged at the rear side of the lamp frame (1). A light guide plate (7) is fixedly arranged at the front side of the bottom plate (6). Through slots are formed in the inner walls on both sides of the lamp frame (1). An LED light strip (8) is fixedly arranged inside the through slots.

5. A kind of advertising light box frame according to claim 4, characterized in that: A connection frame (3) is arranged at the front side of the lamp frame (1). A transparent observation window (4) is fixedly arranged inside the connection frame (3). The two U-shaped movable frames (51) are both arranged between the light guide plate (7) and the transparent observation window (4).

6. The advertising light box frame according to claim 1, wherein: Bolts for fixing between the lamp frame (1) and the connection frame (3) are connected to the four corners at the front side of the connection frame (3) by a thread. Fixed plates (10) are fixedly arranged on both sides at the bottom of the lamp frame (1). And bolts for fixing between the lamp frame (1) and the base (2) are connected to the fixed plates (10) by a thread.

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