Projection lighting lamp structure
By integrating a film lens module into the projection lighting fixture and utilizing the cooperation of the cover plate and PCBA control board, the problem of inconvenient film replacement in existing projection lamps has been solved, enabling convenient disassembly and installation of the film lens module.
Patent Information
- Application Number
- CN202423153254.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-12-19
AI Technical Summary
The existing film assembly of the projection lamp is inconvenient to replace, resulting in a complex structure and troublesome installation and disassembly.
A projection lighting fixture structure was designed. By integrating the film lens module inside the lampshade and utilizing the cooperation of the cover plate and PCBA control board, the film lens module can be easily disassembled and assembled. A limiting mechanism is adopted to ensure a stable connection.
It enables convenient disassembly and installation of the film lens module, simplifies the replacement process, and improves maintenance efficiency.
Smart Images
Figure CN223499429U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of projection lamp technology, specifically to a projection lighting fixture structure. Background Technology
[0002] With the development and application of optical technology, various types of projection lights have emerged, decorating and beautifying people's living environment. A projection light is an electrical device that can project images or text onto the ground or wall. It contains a film with a pre-set pattern for projection and can be widely used in entertainment venues, exhibition halls, brand stores, hotels, bars, cafes, teahouses, and shopping malls.
[0003] Currently, projector lamps on the market are composed of high-power LEDs and aluminum substrates, which are complex in structure, difficult to install and disassemble, and inconvenient to replace the film assembly in order to change different projection patterns. Utility Model Content
[0004] This invention provides a projection lighting fixture structure to solve the problems in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a projection lighting fixture structure, including a lampshade and a PCBA control board. A fixing ring is fixedly connected to the bottom of the lampshade, and a cover plate is detachably connected to the fixing ring. The cover plate is disc-shaped, and a positioning groove is formed at the bottom center of the cover plate. A film lens module is detachably connected between the PCBA control board and the cover plate. A first annular protrusion and a second annular protrusion are fixedly connected to the top of the cover plate. The inner diameter of the first annular protrusion is larger than the outer diameter of the second annular protrusion. The first annular protrusion and the fixing ring are connected by a limiting mechanism.
[0006] Furthermore, a ring-shaped positioning block is fixedly connected to the bottom of the fixing ring, and the positioning block can be detached into the area enclosed between the first ring protrusion and the second ring protrusion.
[0007] Furthermore, the limiting mechanism includes a groove, a locking block, and a locking slot. The top of the first annular protrusion is uniformly formed with a groove, and the bottom inner wall of the groove is connected to a locking block. The top height of the locking block is higher than the height of the first annular protrusion, and the fixing ring is provided with a locking slot that matches and engages with the locking block.
[0008] Furthermore, the limiting mechanism includes a through groove, a fixed rod, a limiting hook, a mounting block, a torsion spring, and a limiting rod. The top of the first annular protrusion is uniformly fixedly connected to a fixed rod, and the top of the fixed rod is fixedly connected to a limiting hook that is U-shaped in shape. The fixed ring has a through groove through which the limiting hook and the fixed rod pass. The top of the fixed ring is fixedly connected to a mounting block on one side of the through groove. A torsion spring is installed on the mounting block, and the torsion spring is connected to a limiting rod that can be suspended on the limiting hook.
[0009] Furthermore, the positioning groove is stepped, and the bottom of the film lens module has a positioning end that matches and can be disassembled from the positioning groove.
[0010] Furthermore, the top of the lampshade is fixedly connected to a connector that is electrically connected to the PCBA control board.
[0011] Compared with the prior art, the present invention provides a projection lighting fixture structure with the following advantages: the projection lighting fixture structure integrates the film lens module inside the lampshade and assembles and fixes it by the cooperation of the cover plate and the PCBA control board. The cover plate is convenient to remove and install from the lampshade, so as to facilitate the removal and installation of the film lens module. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model;
[0013] Figure 2 This is a schematic diagram of the planar structure of the present invention;
[0014] Figure 3 This is a schematic diagram of the disassembled structure of this utility model;
[0015] Figure 4 This is a schematic diagram of the structure of the fixed ring of this utility model with a through groove.
[0016] Figure 5 This is an enlarged schematic diagram of point A of this utility model.
[0017] In the diagram: 1. Lampshade; 2. Fixing ring; 3. Connecting seat; 4. Cover plate; 5. PCBA control board; 6. Film lens module; 7. Positioning groove; 8. First annular protrusion; 9. Second annular protrusion; 10. Groove; 11. Locking block; 12. Locking slot; 13. Through groove; 14. Fixing rod; 15. Limiting hook; 16. Mounting block; 17. Torsion spring; 18. Limiting rod. Detailed Implementation
[0018] 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.
[0019] Please see Figure 1-5 This utility model discloses a projection lighting fixture structure, including a lampshade 1 and a PCBA control board 5. A fixing ring 2 is fixedly connected to the bottom of the lampshade 1. A cover plate 4 is detachably connected to the fixing ring 2. The cover plate 4 is disc-shaped and has a positioning groove 7 formed at the bottom center. A film lens module 6 is detachably connected between the PCBA control board 5 and the cover plate 4. A first annular protrusion 8 and a second annular protrusion 9 are fixedly connected to the top of the cover plate 4. The inner diameter of the first annular protrusion 8 is larger than the outer diameter of the second annular protrusion 9. The first annular protrusion 8 and the fixing ring 2 are connected by a limiting mechanism.
[0020] The top of the lampshade 1 is fixedly connected to a connector 3 that is electrically connected to the PCBA control board 5.
[0021] The bottom of the PCBA control board 5 is equipped with LED beads that cooperate with the film lens module 6. The top two sides of the film lens module 6 are provided with positioning posts, and the bottom of the PCBA control board 5 is provided with positioning holes that cooperate with the positioning posts.
[0022] Specifically, the bottom of the fixing ring 2 is fixedly connected to an annular positioning block, which can be detached into the area enclosed between the first annular protrusion 8 and the second annular protrusion 9.
[0023] In this embodiment, a sealing gasket can be installed between the first annular protrusion 8 and the second annular protrusion 9.
[0024] Specifically, the limiting mechanism includes a groove 10, a locking block 11, and a slot 12. The top of the first annular protrusion 8 is uniformly formed with a groove 10. The bottom inner wall of the groove 10 is connected to the locking block 11. The top height of the locking block 11 is higher than the height of the first annular protrusion 8. The fixing ring 2 is provided with a slot 12 that matches and engages with the locking block 11.
[0025] In this embodiment, the slot 12 is opened on the top of the fixing ring 2, the block 11 is made of elastic plastic or elastic metal material and has elastic deformation capability, the top of the block 11 has a hook, the hook at the top of the block 11 makes it L-shaped, the block 11 can pass through the slot 12 and make the hook rest on the top surface of the fixing ring 2 so that the cover plate 4 and the fixing ring 2 are connected together.
[0026] Specifically, the limiting mechanism includes a through groove 13, a fixing rod 14, a limiting hook 15, a mounting block 16, a torsion spring 17, and a limiting rod 18. The top of the first annular protrusion 8 is uniformly fixedly connected to the fixing rod 14. The top of the fixing rod 14 is fixedly connected to the limiting hook 15, which is U-shaped in shape. The fixing ring 2 has a through groove 13 through which the limiting hook 15 and the fixing rod 14 pass. The top of the fixing ring 2 is fixedly connected to the mounting block 16 on one side of the through groove 13. The mounting block 16 is equipped with a torsion spring 17. The torsion spring 17 is connected to the limiting rod 18, which can be suspended on the limiting hook 15.
[0027] In this embodiment, a T-shaped groove is provided on the top of the mounting block 16, and a torsion spring 17 is installed on the T-shaped groove. The torsion spring 17 can drive the limiting rod 18 to move. When the fixing rod 14 and the limiting hook 15 pass through the through groove 13, the limiting rod 18 is suspended on the limiting hook 15, so that the cover plate 4 and the fixing ring 2 are connected together.
[0028] Specifically, the positioning groove 7 is stepped, and the bottom of the film lens module 6 has a positioning end that matches and can be disassembled from the positioning groove 7.
[0029] In this embodiment, the bottom end of the film lens module 6 can be inserted into the positioning groove 7, so that the cover plate 4 and the film lens module 6 are connected together.
[0030] In summary, the structure of this projection lighting fixture integrates the film lens module 6 into the lampshade 1 and assembles and fixes it through the cooperation of the cover plate 4 and the PCBA control board 5. The cover plate 4 facilitates the removal and installation of the film lens module 6 from the lampshade 1.
[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A projection lighting fixture structure, comprising a lampshade (1) and a PCBA control board (5), characterized in that: The bottom of the lampshade (1) is fixedly connected to a fixing ring (2), and the fixing ring (2) is detachably connected to a cover plate (4). The cover plate (4) is disc-shaped, and a positioning groove (7) is formed at the bottom center of the cover plate (4). The film lens module (6) is detachably connected between the PCBA control board (5) and the cover plate (4). The top of the cover plate (4) is fixedly connected to a first annular protrusion (8) and a second annular protrusion (9). The inner diameter of the first annular protrusion (8) is larger than the outer diameter of the second annular protrusion (9). The first annular protrusion (8) and the fixing ring (2) are connected by a limiting mechanism.
2. The projection lighting fixture structure according to claim 1, characterized in that: The bottom of the fixed ring (2) is fixedly connected to an annular positioning block, which can be detached into the area enclosed between the first annular protrusion (8) and the second annular protrusion (9).
3. The projection lighting fixture structure according to claim 1, characterized in that: The limiting mechanism includes a groove (10), a locking block (11), and a slot (12). The top of the first annular protrusion (8) is uniformly formed with a groove (10). The bottom inner wall of the groove (10) is connected to the locking block (11). The top height of the locking block (11) is higher than the height of the first annular protrusion (8). The fixing ring (2) is provided with a slot (12) that matches and engages with the locking block (11).
4. The projection lighting fixture structure according to claim 1, characterized in that: The limiting mechanism includes a through groove (13), a fixing rod (14), a limiting hook (15), a mounting block (16), a torsion spring (17), and a limiting rod (18). The top of the first annular protrusion (8) is uniformly fixedly connected to the fixing rod (14). The top of the fixing rod (14) is fixedly connected to the limiting hook (15), which is U-shaped in shape. The fixing ring (2) has a through groove (13) through which the limiting hook (15) and the fixing rod (14) pass. The top of the fixing ring (2) is fixedly connected to the mounting block (16) on one side of the through groove (13). The mounting block (16) is equipped with a torsion spring (17). The torsion spring (17) is connected to the limiting rod (18), which can be suspended on the limiting hook (15).
5. The projection lighting fixture structure according to claim 1, characterized in that: The positioning groove (7) is stepped, and the bottom of the film lens module (6) has a positioning end that matches and can be disassembled from the positioning groove (7).
6. The projection lighting fixture structure according to claim 1, characterized in that: The top of the lampshade (1) is fixedly connected to a connector (3) that is electrically connected to the PCBA control board (5).