一种便于组装的筒灯
The innovative combination of the front cover, light source module, retaining ring, and fixing ring solves the problems of complex structure and cumbersome assembly of downlights, enabling rapid assembly and cost savings.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGMEN SIMENG ELECTRIC APPLIANCE CO LTD
- Filing Date
- 2025-05-29
- Publication Date
- 2026-07-17
AI Technical Summary
Existing downlights have complex structures and are cumbersome to assemble, resulting in low production efficiency and high costs.
It adopts a combination structure of front cover, light source module, snap ring, rear cover and fixing ring, and achieves quick assembly through the design of ring body and U-shaped spring arm, avoiding screw fixation.
It enables rapid assembly of downlights, reduces production costs, improves installation efficiency, and simplifies the manufacturing process.
Smart Images

Figure CN224516628U_ABST
Abstract
Claims
1. A downlight lamp which is easy to assemble, characterized in that, It includes a front cover, a light source module, a retaining ring, a rear cover, and a retaining ring; The front cover is a cover with an opening in the middle. A ring-shaped protrusion is provided on one side of the cover. The inner side of the ring-shaped protrusion forms an abutting ring groove with the cover. Two notches are provided at both ends of the ring-shaped protrusion. The snap ring includes a ring body, and the two ends of the ring body extend outward to form two U-shaped spring arms; The light source module is installed on the abutting ring groove, and the rear cover is sleeved on the outside of the light source module, with the open end of the rear cover abutting the bottom surface of the abutting ring groove; The retaining ring is sleeved on the outside of the rear cover through the ring body, and the two sides of the U-shaped spring arm pass through the corresponding notches and extend to the outside; The fixing ring is sleeved on the outside of the rear cover and fixedly connected to the annular protrusion, such that the bottom of the fixing ring abuts against the ring body and the outside of the rear cover, and one side of the ring body abuts against the inside of the annular protrusion.
2. The easy-to-assemble downlight of claim 1, wherein, The ring has a notch.
3. The easy-to-assemble downlight of claim 1, wherein, The abutting annular groove includes a first annular groove, a second annular groove, and a third annular groove arranged in a stepped manner along the direction close to the opening of the cover. The light source module is installed on the third annular groove, and the opening end of the rear cover abuts against the bottom surface of the second annular groove. The bottom of the ring body abuts against the bottom surface of the first annular groove.
4. The easy-to-assemble downlight of claim 1, wherein, The outer side of the fixing ring is provided with a plurality of reverse slope blocks along the circumference, and a slot is opened on each side of the reverse slope blocks; the inner side of the annular protrusion is provided with a plurality of positive slope blocks that match and correspond one-to-one with the reverse slope blocks; the lower part of each positive slope block forms a slot with the inner side of the annular protrusion; when the fixing ring is inserted into the inner side of the annular protrusion, the positive slope block squeezes the corresponding reverse slope block and deforms it to fit into the corresponding slot.
5. The easy-to-assemble downlight of claim 1, wherein, The outer periphery of the fixing ring is provided with a plurality of insert blocks, and the annular protrusion is provided with a plurality of slots that match and correspond one-to-one with the insert blocks. When the fixing ring is inserted into the inner side of the annular protrusion, the insert blocks are inserted into the slots.
6. The easy-to-assemble downlight of claim 1, wherein, The top of the fixing ring extends outward to form a flange. When the fixing ring is inserted into the inner side of the annular protrusion, the bottom surface of the flange abuts against the top surface of the annular protrusion.
7. The easy-to-assemble downlight of claim 1, wherein, The bottom end of the fixing ring is recessed inward to form an annular groove. When the fixing ring is inserted into the inner side of the annular protrusion, the groove wall of the annular groove abuts against the ring body.
8. The easy-to-assemble downlight of claim 1, wherein, The fixing ring is provided with grooves that correspond one-to-one with the notch. When the fixing ring is inserted into the inner side of the annular protrusion, the grooves communicate with the notch.
9. The easy-to-assemble downlight of claim 1, wherein, The light source module includes a lamp bead board, a reflector, and several heat sinks disposed on the outer surface of the reflector; the reflector is open at both ends, and one end of the reflector is sleeved and fixed on the lamp bead board, while the other end is installed on the abutment ring groove.
10. The easy-to-assemble downlight of claim 1, wherein, A wire hole is provided on the rear cover.