Advertising lamp box for bus duct

Abstract

The utility model discloses an advertising lamp box for a bus air duct, which comprises a lower section bar and an upper section bar, and the lower section bar is used as a base of the advertising lamp box and is fixed on the bus air duct through screws; the upper sectional material surrounds the periphery of the lower sectional material, is rotationally connected with the lower sectional material and is used for replacing advertising paper placed in the lower sectional material; a spring piece is arranged in the upper section bar, and the upper section bar is elastically connected with the lower section bar through the spring piece. According to the advertising lamp box for the bus duct, the upper profile and the lower profile are fixed through the spring pieces, opening and closing are convenient, advertising paper in the advertising lamp box can be replaced only by opening the upper profile and taking down the advertising board, and replacement is easy and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of advertising light boxes, in particular to an advertising light box for a bus air duct. Background Art

[0002] Large and medium-sized buses typically feature advertisements on both sides of their air ducts, primarily promoting company information or the virtues of public transportation. These advertisements must be both aesthetically pleasing and easily replaceable. Currently, advertising light boxes are fixed directly to the air ducts with screws, making them difficult to replace and difficult to read in low light conditions. Utility Model Content

[0003] The purpose of the utility model is to provide an advertising light box for a bus air duct, which is more beautiful, has more uniform LED lighting, better effects, and is easier to replace the advertising layout.

[0004] In order to solve the above technical problems, the utility model provides an advertising light box for a bus air duct, comprising a lower profile and an upper profile. The lower profile serves as the base of the advertising light box and is fixed to the bus air duct by screws.

[0005] The upper profile surrounds the lower profile and is rotatably connected to the lower profile for replacing the advertising paper placed in the lower profile;

[0006] A spring sheet is provided in the upper profile, and the upper profile is elastically connected to the lower profile via the spring sheet.

[0007] Preferably, an LED circuit board is installed in the groove of the lower profile, and the LED circuit board is used as the light source of the advertising light box.

[0008] Preferably, the LED circuit boards are provided in two groups and are symmetrically arranged on both sides of the long side or the wide side of the lower profile.

[0009] Preferably, a rotating shaft is provided on the edge of the lower profile, and the upper profile rotates 90 degrees around the lower profile.

[0010] Preferably, one end of the spring sheet abuts against the side of the upper profile away from the rotating shaft, and the other end abuts against the lower profile. Under the elastic force of the spring sheet, the upper profile presses the advertising paper in the lower profile.

[0011] Preferably, an advertising board is further provided in the lower profile, and the advertising board covers the surface of the advertising paper to protect the advertising paper inside; the upper profile contacts the advertising board and presses the advertising board and advertising paper in the lower profile.

[0012] Preferably, the advertising board is a transparent acrylic board.

[0013] Preferably, a light guide plate is further provided in the lower profile, and the light guide plate is installed between the two groups of LED circuit boards to guide light toward the advertising paper.

[0014] Preferably, a light-blocking paper is provided on a side of the light guide plate away from the advertising paper, and the light-blocking paper is attached to the back side of the light guide plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The upper and lower profiles of the bus duct advertising light box are fixed by spring sheets, which makes it easy to open and close. You only need to open the upper profile and remove the advertising board to replace the internal advertising paper. Replacement is simple and convenient.

[0017] 2. The advertising light box for the bus duct guides light through a light guide plate, and a light-blocking paper is attached to the back of the light guide plate to make the light inside the advertising light box brighter;

[0018] 3. The advertising light box for bus air duct is directly fixed to the air duct with screws through the lower profile. When the upper profile is closed, the screws can be hidden, which is not only convenient for installation but also more beautiful in appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view of the advertising light box for bus air ducts provided by the utility model;

[0020] Figure 2 This is a rear view of the advertising light box for bus air duct provided by the utility model;

[0021] Figure 3 This is a cross-sectional view of the advertising light box for a bus air duct provided by the utility model;

[0022] Figure 4 The utility model provides Figure 3 A partial schematic diagram of .

[0023] In the figure: 1. Lower profile; 2. Upper profile; 3. Screws; 4. Advertising paper; 5. Spring sheet; 6. LED circuit board; 7. Rotating shaft; 8. Advertising board; 9. Light guide plate; 10. Light-blocking paper. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the present invention in conjunction with the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description and claims. It should be noted that the drawings are greatly simplified and not to exact scale, and are intended solely to facilitate and clearly illustrate the embodiments of the present invention.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances. Example

[0027] The utility model provides an advertising light box for bus ducts. Figure 1-4 , including a lower profile 1 and an upper profile 2. The lower profile 1 serves as the base of the advertising light box and is fixed to the bus air duct by screws 3; the upper profile 2 surrounds the lower profile 1 and is rotatably connected to the lower profile 1 to replace the advertising paper 4 placed in the lower profile 1; a spring sheet 5 is provided in the upper profile 2, and the upper profile 2 is elastically connected to the lower profile 1 through the spring sheet 5.

[0028] The upper profile 2 and the lower profile 1 of the bus air duct advertising light box are fixed by a spring sheet 5, which is convenient to open and close. You only need to open the upper profile 2 and remove the advertising board to replace the internal advertising paper 4, which is simple and convenient to replace.

[0029] Specifically, an LED circuit board 6 is installed in the groove of the lower profile 1, and the LED circuit board 6 is used as the light source of the advertising light box; and two groups of LED circuit boards 6 are provided, which are symmetrically arranged on both sides of the long side or wide side of the lower profile 1.

[0030] Furthermore, a rotating shaft 7 is provided on the edge of the lower profile 1, and the upper profile 2 is rotated 90 degrees around the lower profile 1, so as to open the upper profile 2 and replace the advertising paper inside.

[0031] Specifically, one end of the spring sheet 5 abuts against the side of the upper profile 2 away from the rotating shaft 7 , and the other end abuts against the lower profile 1 . Under the elastic force of the spring sheet 5 , the upper profile 2 presses the advertising paper 4 in the lower profile 1 .

[0032] Furthermore, an advertising board 8 is provided in the lower profile 1, which covers the surface of the advertising paper 4 to protect the internal advertising paper 4; the upper profile 2 contacts the advertising board 8 and presses the advertising board 8 and advertising paper 4 in the lower profile 1.

[0033] In one embodiment, the advertising board 8 is a transparent acrylic board, which can protect the internal advertising paper through the acrylic board while not affecting the viewing of the content on the internal advertising paper.

[0034] Specifically, a light guide plate 9 is further provided in the lower profile 1, and the light guide plate 9 is installed between the two groups of LED circuit boards 6 to guide light toward the advertising paper 4; and a light-blocking paper 10 is provided on the side of the light guide plate 9 away from the advertising paper 4, and the light-blocking paper 10 is attached to the back of the light guide plate 9, so that the light in the advertising light box is brighter.

[0035] The above description is only a description of the preferred embodiment of the present invention and does not limit the scope of the present invention. Any changes and modifications made by ordinary technicians in the field of the present invention based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. An advertising light box for bus duct, characterized in that: It comprises a lower profile (1) and an upper profile (2), wherein the lower profile (1) serves as the base of the advertising light box and is fixed to the bus air duct via screws (3); The upper profile (2) surrounds the lower profile (1) and is rotatably connected to the lower profile (1) to replace the advertising paper (4) placed in the lower profile (1); A spring sheet (5) is provided in the upper profile (2), and the upper profile (2) is elastically connected to the lower profile (1) via the spring sheet (5).

2. The advertising light box for a bus duct according to claim 1, characterized in that: An LED circuit board (6) is installed in the groove of the lower profile (1), and the LED circuit board (6) serves as the light source of the advertising light box.

3. The advertising light box for a bus duct as claimed in claim 2, characterized in that: The LED circuit boards (6) are provided in two groups and are symmetrically arranged on both sides of the long side or the wide side of the lower profile (1).

4. The advertising light box for a bus duct according to claim 1, characterized in that: A rotating shaft (7) is provided on the edge of the lower profile (1), and the upper profile (2) rotates 90 degrees around the lower profile (1).

5. The advertising light box for a bus duct as claimed in claim 4, characterized in that: One end of the spring sheet (5) abuts against the side of the upper profile (2) away from the rotating shaft (7), and the other end abuts against the lower profile (1). Under the elastic force of the spring sheet (5), the upper profile (2) presses the advertising paper (4) in the lower profile (1).

6. The advertising light box for a bus duct as claimed in claim 5, characterized in that: An advertising board (8) is also provided in the lower profile (1), and the advertising board (8) covers the surface of the advertising paper (4) to protect the advertising paper (4) inside. The upper profile (2) contacts the advertising board (8) and presses the advertising board (8) and the advertising paper (4) in the lower profile (1).

7. The advertising light box for a bus duct according to claim 6, characterized in that: The advertising board (8) is a transparent acrylic board.

8. The advertising light box for a bus duct as claimed in claim 3, characterized in that: A light guide plate (9) is also provided in the lower profile (1). The light guide plate (9) is installed between the two groups of LED circuit boards (6) to guide light toward the advertising paper (4).

9. The advertising light box for a bus air duct according to claim 8, characterized in that: A light-blocking paper (10) is provided on a side of the light guide plate (9) away from the advertising paper (4), and the light-blocking paper (10) is attached to the back side of the light guide plate (9).

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