Threadedly connected and replaceable picture projection light box

Abstract

The utility model discloses a thread connection and can replace the picture of the down -shooting type lamp house, including light source and lamp house cover, the lamp house cover includes frame light cover body, the top plate of integrative forming at frame light cover body top end, the top surface middle part of top plate integrative formation has the outer thread convex cylinder, the middle part fixed of light source has the inner thread decorative cover, and the light source sets up in the outer thread convex cylinder and bottom end stretches into frame light cover body, and is fixed with the outer thread convex cylinder through the inner thread decorative cover and the screw thread, the outer wall of frame light cover body is provided with recessed area, the pattern decorative layer of detachable adhesion in recessed area, the bottom surface middle part of frame light cover body is provided with the down -shooting type through -hole, the utility model discloses the structure is reasonably arranged, and light source and lamp house cover adopt the screw thread connection through the inner thread decorative cover, has improved the convenience and effectiveness of dismounting, and its frame light cover body's bottom surface has down -shooting type through -hole, can make the light of light source realizes down -shooting type irradiation downward, has improved the lighting effectiveness, and the suitability is strong.

Description

Technical Field

[0001] This utility model belongs to the field of light box technology, specifically relating to a threaded connection and replaceable image downlight box. Background Technology

[0002] Advertising light boxes are a common structure, generally consisting of a light source and a light box cover. The light from the light source shines outward through the light box cover. Although they can meet general usage needs, the patterns on the light box are fixed and cannot be disassembled and replaced as needed. Moreover, the connection between the light box and the light source is relatively inconvenient, which greatly increases the cost and difficulty of assembly and maintenance, thus limiting their applicability. Summary of the Invention

[0003] The purpose of this utility model is to provide a threaded connection downlight box with a reasonable structure and convenient use, and with interchangeable images.

[0004] The technical solution to achieve the purpose of this utility model is a threaded connection and replaceable image downlight box, including a light source and a light box cover. The light box cover includes a frame-shaped light-transmitting cover body and a top plate integrally formed on the top of the frame-shaped light-transmitting cover body. An external threaded protrusion is integrally formed in the middle of the top surface of the top plate. The light source is fixed with an internal thread decorative cover in the middle. The light source is set inside the external thread protrusion and its bottom end extends into the frame-shaped light-transmitting cover. It is fixed to the external thread protrusion by the internal thread decorative cover. A recessed area is provided on the outer wall of the frame-shaped light-transmitting cover; The recessed area contains a removable and attachable patterned decorative layer; A downward-facing through-hole is provided in the center of the bottom surface of the frame-shaped light-transmitting cover.

[0005] A further preferred embodiment is that the top and bottom walls of the recessed area are provided with slots; The top and bottom edges of the patterned decorative layer are respectively engaged in the slots for positioning.

[0006] A further preferred embodiment is that the frame-shaped light-transmitting cover is a light-transmitting plastic cover.

[0007] A further preferred embodiment is that the frame-shaped light-transmitting cover is a square frame or a circular frame.

[0008] This utility model has positive effects: The structure of this utility model is reasonable. It has an external threaded protrusion on the top of the frame-shaped light-transmitting cover and an internal threaded decorative cover on the light source. The light source and the light box cover are connected by threads through the internal threaded decorative cover, which improves the convenience and effectiveness of disassembly and assembly. In addition, the bottom surface of the frame-shaped light-transmitting cover has a downward-facing through hole, which allows the light from the light source to shine downward, improving the lighting effectiveness and making it highly applicable. Attached Figure Description

[0009] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein: Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the disassembled structure of this utility model; Figure 3 This is a top view of the structure of the lampshade in this utility model; Figure 4 This is a side view of the structure of the lampshade in this utility model; Figure 5 This is a schematic diagram of the illumination effect of this utility model.

[0010] Reference numerals: 1. Light source; 2. Light box cover; 21. Frame-shaped light-transmitting cover; 22. Top plate; 23. Externally threaded protruding cylinder; 3. Internally threaded decorative cover; 4. Recessed area; 5. Patterned decorative layer; 6. Downward-facing through hole. Detailed Implementation

[0011] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0012] See Figures 1 to 5 As shown, a threaded connection, replaceable image, downward-facing lightbox includes a light source 1 and a lightbox cover 2. In this embodiment, the light source is a COB light source with a lens. The lightbox cover includes a frame-shaped light-transmitting cover 21 and a top plate 22 integrally formed on the top of the frame-shaped light-transmitting cover. An externally threaded protrusion 23 is integrally formed in the center of the top surface of the top plate. The frame-shaped light-transmitting cover is a light-transmitting plastic cover. The frame-shaped light-transmitting cover can be a square frame or a circular frame.

[0013] Meanwhile, in this embodiment, an internally threaded decorative cover 3 is fixed to the middle of the light source, the light source is disposed inside an externally threaded protruding cylinder with its bottom end extending into the frame-shaped light-transmitting cover, and is threadedly fixed to the externally threaded protruding cylinder by the internally threaded decorative cover; a recessed area 4 is provided on the outer wall of the frame-shaped light-transmitting cover; a detachable and attachable patterned decorative layer 5 is provided in the recessed area; and a downward-facing through hole 6 is provided in the middle of the bottom surface of the frame-shaped light-transmitting cover. This structure facilitates the installation, replacement, and maintenance of the patterned decorative layer, improving ease of use and effectiveness, and the depth of the recessed area is greater than the thickness of the patterned decorative layer.

[0014] Meanwhile, to improve assembly efficiency, the top and bottom walls of the recessed area are provided with slots; during assembly, the top and bottom edges of the decorative pattern layer are respectively engaged and positioned within these slots. These slots limit the top and bottom edges of the decorative pattern layer, preventing loosening or detachment. The middle portion of the decorative pattern layer can be connected via adhesive, or positioned using screws or staples, improving stability and effectiveness during use.

[0015] This utility model has positive effects: The structure of this utility model is reasonable. It has an external threaded protrusion on the top of the frame-shaped light-transmitting cover and an internal threaded decorative cover on the light source. The light source and the light box cover are connected by threads through the internal threaded decorative cover, which improves the convenience and effectiveness of disassembly and assembly. In addition, the bottom surface of the frame-shaped light-transmitting cover has a downward-facing through hole, which allows the light from the light source to shine downward, improving the lighting effectiveness and making it highly applicable.

[0016] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural parts described in the instruction manual can also be processed without any doubt based on existing technical common sense. At the same time, the connection methods of each component adopt mature conventional methods in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so they will not be described in detail here.

[0017] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all embodiments here. However, these obvious variations or modifications derived from the essential spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A threaded connection, replaceable image, downward-facing lightbox, comprising a light source and a lightbox cover, characterized in that: The light box cover includes a frame-shaped light-transmitting cover body and a top plate integrally formed on the top of the frame-shaped light-transmitting cover body. An externally threaded protrusion is integrally formed in the middle of the top surface of the top plate. The light source is fixed with an internal thread decorative cover in the middle. The light source is set inside the external thread protrusion and its bottom end extends into the frame-shaped light-transmitting cover. It is fixed to the external thread protrusion by the internal thread decorative cover. A recessed area is provided on the outer wall of the frame-shaped light-transmitting cover; The recessed area contains a removable and attachable patterned decorative layer; A downward-facing through-hole is provided in the center of the bottom surface of the frame-shaped light-transmitting cover.

2. A threaded connection, replaceable image, downward-facing lightbox according to claim 1, characterized in that: The top and bottom walls of the recessed area are provided with slots; The top and bottom edges of the patterned decorative layer are respectively engaged in the slots for positioning.

3. A threaded connection, replaceable image, downward-facing lightbox according to claim 1, characterized in that: The frame-shaped light-transmitting cover is a light-transmitting plastic cover.

4. A threaded connection, replaceable image, downward-facing lightbox according to claim 1, characterized in that: The frame-shaped light-transmitting cover is either a square frame or a circular frame.

Images