LED down lamp heat dissipation structure
Patent Information
- Application Number
- CN202521796646.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-22
- Publication Date
- 2026-09-15
- Estimated Expiration
- 2035-08-22
AI Technical Summary
[0016] Compared with the prior art, the present invention provides a heat dissipation structure for LED downlights, which has the following beneficial effects:
Smart Images

Figure CN224756947U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of LED downlight technology, specifically to a heat dissipation structure for LED downlights. Background Technology
[0002] LED downlights are products developed and improved upon traditional downlights using new LED lighting sources. Compared with traditional downlights, they have the following advantages: energy saving, low carbon footprint, long lifespan, good color rendering, and fast response speed. LED downlights are also more aesthetically pleasing and lightweight in design, maintaining the overall unity and perfection of the building's decoration during installation without disrupting the lighting fixtures. The light source is hidden within the building's interior, eliminating glare and providing a soft and uniform visual effect.
[0003] In order to ensure the service life of LED downlights, existing technologies generally include heat dissipation devices. However, these devices are usually fixed with bolts, which is complicated to operate and causes some inconvenience. Furthermore, the filters of these devices are usually fixed in place, and when a lot of dust adheres to the filters, it will affect their permeability and hinder normal heat dissipation. Therefore, we propose a new type of heat dissipation structure for LED downlights. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a heat dissipation structure for LED downlights. This solves the problems of existing technologies where the heat dissipation device cannot be quickly installed and disassembled, causing inconvenience, and where the filter in the heat dissipation device cannot be quickly installed and replaced, thus affecting the permeability of the heat dissipation device and its heat dissipation effect.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: an LED downlight heat dissipation structure, comprising a downlight body and a housing disposed at its upper end, wherein a heat dissipation mechanism is provided inside the housing;
[0008] The heat dissipation mechanism includes a power motor installed inside the housing, a fan at the end of the output shaft of the power motor, a filter screen above the fan, and the filter screen is located inside the housing.
[0009] Preferably, the upper end of the housing and the inner wall are provided with a plurality of circumferentially arranged grooves, each groove is provided with a fixing rod, and each fixing rod is fitted with a collar on its outer wall. The collars are all made of elastic material, and each collar is connected to the outer wall of the filter screen.
[0010] Preferably, the outer wall of the housing is provided with a mounting ring, and two symmetrically arranged rotating shafts are rotatably connected through the mounting ring, with a retaining plate at the end of each of the two rotating shafts.
[0011] Preferably, the upper end of the downlight body has two symmetrically arranged through slots, and the lower end of the through slots has a circular slot. Both the circular slot and the through slots cooperate with the retaining plates. Both the retaining plates and the two through slots are elliptical in shape.
[0012] Preferably, the outer wall of the housing is provided with a bearing, and the outer wall of the bearing is provided with a toothed ring.
[0013] Preferably, both of the outer walls of the two shafts are provided with gears, and both gears mesh with a gear ring.
[0014] Preferably, the upper end of the downlight body is provided with two symmetrically arranged positioning posts, and the mounting ring is provided with positioning grooves that cooperate with the positioning posts.
[0015] (III) Beneficial Effects
[0016] Compared with the prior art, the present invention provides a heat dissipation structure for LED downlights, which has the following beneficial effects:
[0017] This invention achieves the rotation of two clamping plates by rotating two gears, which in turn drive two rotating shafts to rotate synchronously. This results in the clamping plates and the through slots being in an interlaced state, enabling quick installation of the housing. The operation is convenient and brings convenience to users. Furthermore, the elastic material of the collar and the cooperation of multiple collars and multiple fixing rods allow for the quick installation and removal of the filter screen, providing convenience for ensuring the normal heat dissipation of the fan and improving the adaptability of the device. Attached Figure Description
[0018] Fig. 1 This is a top view of the overall structure of this utility model;
[0019] Fig. 2 This is a front view schematic diagram of the overall structure of this utility model;
[0020] Fig. 3 This is a cross-sectional schematic diagram of the overall structure of this utility model.
[0021] In the picture:
[0022] 1. Downlight body;
[0023] 2. Positioning post;
[0024] 3. Positioning groove;
[0025] 4. Install the ring;
[0026] 5. Shaft;
[0027] 6. Gears;
[0028] 7. Shell;
[0029] 8. Bearings;
[0030] 9. Gear ring;
[0031] 10. Power motor;
[0032] 11. Fan;
[0033] 12. Filter screen;
[0034] 13. Groove;
[0035] 14. Fixing rod;
[0036] 15. Ring;
[0037] 16. Through groove;
[0038] 17. Circular groove;
[0039] 18. Pallet. Detailed Implementation
[0040] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.
[0041] This utility model provides a technical solution:
[0042] Please see Figs. 1-3 An LED downlight heat dissipation structure includes a downlight body 1 and a housing 7 disposed on its upper end, and a heat dissipation mechanism is provided inside the housing 7.
[0043] The heat dissipation mechanism includes a power motor 10 installed inside the housing 7, a fan 11 at the end of the output shaft of the power motor 10, a filter screen 12 above the fan 11, and the filter screen 12 is located inside the housing 7.
[0044] Furthermore, the upper end and inner wall of the housing 7 are provided with multiple circumferentially arranged grooves 13, each groove 13 is provided with a fixing rod 14, and each fixing rod 14 is fitted with a collar 15 on its outer wall. The collars 15 are all made of elastic material and are connected to the outer wall of the filter screen 12. Through the elastic material of the collars 15 and the cooperation between the multiple collars 15 and the multiple fixing rods 14, the filter screen 12 can be quickly installed and removed, which provides some convenience for people to ensure the normal heat dissipation of the fan 11 and improves the adaptability of the device.
[0045] Furthermore, the outer wall of the housing 7 is provided with a mounting ring 4, and two symmetrically arranged rotating shafts 5 are rotatably connected through the mounting ring 4, with a retaining plate 18 at the end of each of the two rotating shafts 5.
[0046] Furthermore, the upper end of the downlight body 1 has two symmetrically arranged through slots 16, and the lower end of the through slots 16 has a circular slot 17. Both the circular slot 17 and the through slots 16 are matched with the retaining plate 18. Both the retaining plate 18 and the two through slots 16 are elliptical in shape.
[0047] Furthermore, a bearing 8 is provided on the outer wall of the housing 7, and a toothed ring 9 is provided on the outer wall of the bearing 8.
[0048] Furthermore, gears 6 are provided on the outer walls of both rotating shafts 5, and both gears 6 mesh with the gear ring 9. By rotating the two gears 6, the two rotating shafts 5 are driven to rotate synchronously, thereby realizing the rotation of the two clamping plates 18, so that the clamping plates 18 and the through slots 16 are in an interlaced state, thereby realizing the quick installation of the housing 1, which is convenient to operate and brings convenience to people.
[0049] Furthermore, the upper end of the downlight body 1 is provided with two symmetrically arranged positioning posts 2, and the mounting ring 4 is provided with positioning grooves 3 that cooperate with the positioning posts 2.
[0050] In practical use, the working principle of this utility model is as follows:
[0051] When installing the shell 7, align the two positioning slots 3 on the mounting ring 4 with the positioning pins 2, so that the two clamping plates 18 pass through the through slots 16 into the circular slots 17. Rotate one of the rotating shafts 5, causing the gear 6 on its outer wall to rotate. Utilizing the meshing of the two gears 6 with the gear ring 9, and the setting of the bearing on the inner wall of the gear ring 9, the rotation of the two gears 6 drives the two rotating shafts 5 to rotate synchronously, thereby realizing the rotation of the two clamping plates 18. This makes the clamping plates 18 and the through slots 16 interlocked, thus realizing the quick installation of the shell 1. The operation is convenient and brings convenience to people.
[0052] The elastic material of the collar 15 and the cooperation between multiple collars 15 and multiple fixing rods 14 enable the filter screen 12 to be quickly installed and removed, which provides convenience for people to ensure the normal heat dissipation of the fan 11 and improves the adaptability of the device.
[0053] In summary, the proposed LED downlight heat dissipation structure, by improving and optimizing its working principle, addresses the problems of existing technologies that prevent the rapid installation and disassembly of heat dissipation devices, thus avoiding inconvenience and hindering the rapid installation and replacement of filters, which in turn affect the permeability and heat dissipation effect of the heat dissipation device.
[0054] The above are merely specific embodiments of this utility model, but the technical features of this utility model are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on this utility model to solve essentially the same technical problems and achieve essentially the same technical effects are all covered within the protection scope of this utility model.
Claims
1. A heat dissipation structure for an LED downlight, comprising a downlight body (1) and a housing (7) disposed on its upper end, characterized in that: The housing (7) is equipped with a heat dissipation mechanism; The heat dissipation mechanism includes a power motor (10) installed in the housing (7), a fan (11) is provided at the end of the output shaft of the power motor (10), a filter screen (12) is provided above the fan (11), and the filter screen (12) is located inside the housing (7); The upper end of the housing (7) and the inner wall are provided with a plurality of circumferentially arranged grooves (13), each of the plurality of grooves (13) is provided with a fixing rod (14), and each of the plurality of fixing rods (14) is fitted with a collar (15) on the outer wall. The collars (15) are all made of elastic material, and each of the plurality of collars (15) is connected to the outer wall of the filter screen (12).
2. The LED downlight heat dissipation structure according to claim 1, characterized in that, The outer wall of the housing (7) is provided with an installation ring (4), and two symmetrically arranged rotating shafts (5) are rotatably connected through the installation ring (4). Each of the two rotating shafts (5) is provided with a retaining plate (18) at its end.
3. The heat dissipation structure for an LED downlight according to claim 2, characterized in that, The upper end of the downlight body (1) has two symmetrically arranged through slots (16), and the lower end of the through slots (16) has a circular slot (17). Both the circular slot (17) and the through slots (16) are matched with the card plates (18). Both the card plates (18) and the two through slots (16) are elliptical.
4. The LED downlight heat dissipation structure according to claim 3, characterized in that, The outer wall of the housing (7) is provided with a bearing (8), and the outer wall of the bearing (8) is provided with a toothed ring (9).
5. The LED downlight heat dissipation structure according to claim 4, characterized in that, Both of the two rotating shafts (5) have gears (6) on their outer walls, and both gears (6) mesh with the gear ring (9).
6. The LED downlight heat dissipation structure according to claim 5, characterized in that, The upper end of the downlight body (1) is provided with two symmetrically arranged positioning posts (2), and the mounting ring (4) is provided with a positioning groove (3) that cooperates with the positioning posts (2).