Elastic sheet connecting structure waterproof down lamp with detachable anti-dazzle cup

By installing rubber sealing rings and waterproof adhesive layers at the wire connections of the downlight, and by installing sealing silicone rings between the faceplate and the inner ring, and between the inner ring and the lens, the problem of insufficient waterproof sealing performance of the downlight is solved, and the overall sealing performance is improved.

CN224065456UActive Publication Date: 2026-03-31JIANGMEN MAIFEITE PHOTOELECTRIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing downlights have limited sealing and waterproofing performance, which affects their safety and reliability.

Method used

Rubber sealing rings and waterproof adhesive layers are installed at the wire connection points, and sealing silicone rings are installed between the faceplate and the inner ring, and between the inner ring and the lens, to improve sealing performance.

Benefits of technology

It improves the sealing and waterproofing of the wire connections and the connection between the cover and the lens, and enhances the overall sealing performance of the structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The waterproof down lamp comprises a radiator, a light source and a lens, the light source and the lens are fixed to the bottom face of the radiator, a face cover is fixed to the bottom of the radiator through screws, a lamp cup is arranged on the bottom face of the face cover, and a wire channel is formed in the upper portion of the side wall of the radiator. A wire of the light source penetrates through the wire channel and is electrically connected with an external driving power supply; the wire is fixed at the end part of the wire channel through a waterproof screw, and the joint of the waterproof screw and the wire channel is provided with a rubber sealing ring and is filled with a waterproof glue layer; inner rings are arranged between the surface cover and the radiator, and sealing silica gel rings are arranged at the joints of the inner rings. The LED lamp is reasonable in structural arrangement, the sealing waterproof performance of the conductive connecting position is improved, water is prevented from entering the radiator from the wire, the sealing silica gel rings are arranged between the surface cover and the inner ring and between the inner ring and the lens, the sealing waterproof performance of the connecting position of the surface cover and the lens can be improved, and the sealing performance of the whole structure is improved.
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Description

Technical Field

[0001] This utility model belongs to the field of downlight technology, specifically relating to a waterproof downlight with a spring-loaded connection structure for a replaceable anti-glare cup. Background Technology

[0002] Downlights are a common type of decorative and lighting fixture. They typically include a heat sink, a light source fixed to the bottom of the heat sink, and a lens. A lamp holder is installed on the bottom of the heat sink, and a drive wire connected to the light source is installed on the heat sink. Although they can meet general usage needs, their sealing and waterproofing performance is limited, which can affect the safety and reliability of use. Summary of the Invention

[0003] The purpose of this utility model is to provide a waterproof downlight with a replaceable anti-glare cup spring-loaded connection structure that has a reasonable structural design and is conducive to improving sealing performance.

[0004] The technical solution to achieve the purpose of this utility model is a waterproof downlight with a replaceable anti-glare cup and a spring-loaded connection structure, including a heat sink, a light source and a lens fixed to the bottom of the heat sink, a cover fixed to the bottom of the heat sink by a screw, a lamp cup provided on the bottom surface of the cover, and an electrical wire channel provided on the upper part of the side wall of the heat sink, with the wire of the light source passing through the electrical wire channel and electrically connected to an external driving power supply.

[0005] The wire is fixed to the end of the wire channel by a waterproof screw, and a rubber sealing ring and a waterproof adhesive layer are provided at the connection between the waterproof screw and the wire channel.

[0006] An inner ring is provided between the faceplate and the heat sink, and a sealing silicone ring is provided at the connection between the inner ring and the faceplate and at the connection between the inner ring and the lens.

[0007] A further preferred embodiment is that a stop ring is integrally formed in the middle of the bottom surface of the inner ring, and the outer diameter of the stop ring is smaller than the outer diameter of the inner ring;

[0008] The bottom surface of the lens is abutted against the top surface of the inner ring by a sealing silicone ring, the abutting ring is inserted inside the face cover, and the sealing silicone ring is located between the face cover and the bottom surface of the inner ring.

[0009] A further preferred embodiment is that the edge of the cover is integrally formed with a support lug;

[0010] The lug is fixed with a spring clip by rivets;

[0011] The lamp cup is connected to the bottom surface of the cover via a spring clip.

[0012] A further preferred embodiment is that the side wall of the radiator is provided with a clearance groove;

[0013] A fixing piece and a side cover are provided at the clearance groove;

[0014] The tip of the bolt passes through the radiator, the mounting plate, and the side cover, and is threaded into the cap nut;

[0015] The cap-shaped nut and the top surface of the side cover are provided with a force-bearing spring, and the bolt passes through the force-bearing spring.

[0016] A further preferred embodiment is that the surface of the waterproof screw is provided with a nickel plating layer.

[0017] The inner ring is a tempered white glass structure.

[0018] This utility model has positive effects: its structure is reasonably designed, with a rubber sealing ring and a waterproof adhesive layer between the wire channel and the waterproof screw, which can improve the sealing and waterproof performance of the conductive connection and prevent water from entering the radiator from the wire. In addition, it has sealing silicone rings between the cover and the inner ring, as well as between the inner ring and the lens, which can also improve the sealing and waterproof performance of the connection between the cover and the lens, thus improving the overall sealing performance and making it highly applicable. Attached Figure Description

[0019] 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:

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the disassembled structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the faceplate and spring in this utility model;

[0023] Figure 4 This is a schematic diagram of the inner ring structure in this utility model.

[0024] Reference numerals: 1. Heat sink; 2. Light source; 3. Lens; 4. Screw; 5. Cover; 6. Lamp cup; 7. Wire channel; 8. Wire; 9. External drive power supply; 10. Inner ring; 11. Sealing silicone ring; 12. Abutment ring; 13. Support ear; 14. Spring; 15. Alternating groove; 16. Fixing plate; 17. Side cover; 18. Cap nut; 19. Force-bearing spring; 20. Waterproof screw. Detailed Implementation

[0025] 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

[0026] See Figures 1 to 4 As shown, a waterproof downlight with a replaceable anti-glare cup and a spring-loaded connection structure includes a heat sink 1, a light source 2 and a lens 3 fixed to the bottom of the heat sink, a cover 5 fixed to the bottom of the heat sink by a screw 4, a lamp cup 6 provided on the bottom surface of the cover, and an electrical cable channel 7 provided on the upper part of the side wall of the heat sink. The wire 8 of the light source passes through the electrical cable channel and is electrically connected to an external driving power supply 9. During assembly, the wire is fixed to the end of the electrical cable channel by a waterproof screw 20, and a rubber sealing ring and a waterproof adhesive layer are provided at the connection between the waterproof screw and the electrical cable channel. The surface of the waterproof screw is coated with a nickel layer. This structure improves the sealing and waterproof performance of the wire connection.

[0027] In this embodiment, an inner ring 10 is provided between the faceplate and the heat sink, and sealing silicone rings 11 are provided at the connection between the inner ring and the faceplate and at the connection between the inner ring and the lens. The inner ring is a tempered white glass structure. This can improve the sealing performance at the connection between the faceplate and the lens.

[0028] In this embodiment, a retaining ring 12 is integrally formed in the middle of the bottom surface of the inner ring, and the outer diameter of the retaining ring is smaller than the outer diameter of the inner ring. During assembly, the bottom surface of the lens is abutted against the top surface of the inner ring by a sealing silicone ring. The retaining ring passes through the face cover, and the sealing silicone ring is located between the face cover and the bottom surface of the inner ring.

[0029] In this embodiment, a support lug 13 is integrally formed on the edge of the cover; the support lug is fixed with a spring piece 14 by rivets; the lamp cup is connected to the bottom surface of the cover by the spring piece. The spring piece is a V-shaped metal sheet of 0.1-0.2mm.

[0030] Meanwhile, in this embodiment, a clearance groove 15 is provided on the side wall of the radiator; a fixing plate 16 and a side cover 17 are provided in the clearance groove; during assembly, the top of the bolt passes through the radiator, the fixing plate and the side cover and is threadedly connected to the cap nut 18; a force-bearing spring 19 is provided on the top surface of the cap nut and the side cover, and the bolt passes through the force-bearing spring.

[0031] This utility model has positive effects: its structure is reasonably designed, with a rubber sealing ring and a waterproof adhesive layer between the wire channel and the waterproof screw, which can improve the sealing and waterproof performance of the conductive connection and prevent water from entering the radiator from the wire. In addition, it has sealing silicone rings between the cover and the inner ring, as well as between the inner ring and the lens, which can also improve the sealing and waterproof performance of the connection between the cover and the lens, thus improving the overall sealing performance and making it highly applicable.

[0032] 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.

[0033] 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 waterproof downlight with a replaceable anti-glare cup and a spring-loaded connection structure, comprising a heat sink, a light source and a lens fixed to the bottom of the heat sink, wherein a cover is fixed to the bottom of the heat sink by a screw, and a lamp cup is provided on the bottom surface of the cover, characterized in that: The upper part of the side wall of the heat sink is provided with a wire channel, the lead wire of the light source is arranged in the wire channel and is electrically connected with the external driving power supply; The lead wire is fixed at the end of the wire channel by a waterproof screw, and the waterproof screw is provided with a rubber sealing ring and a waterproof glue layer filled at the connection part of the wire channel; An inner ring is arranged between the face cover and the heat sink, and the connection part of the inner ring and the face cover and the connection part of the inner ring and the lens are provided with a sealing silica gel ring.

2. The anti-glare cup lamp with the elastic sheet connection structure according to claim 1, characterized in that: An abutting ring is integrally formed in the middle of the bottom surface of the inner ring, and the outer diameter of the abutting ring is smaller than the outer diameter of the inner ring; The bottom surface of the lens is abutted on the top surface of the inner ring through a sealing silica gel ring, the abutting ring is arranged in the face cover, and the sealing silica gel ring is between the face cover and the bottom surface of the inner ring.

3. The anti-glare cup lamp with the elastic sheet connection structure according to claim 2, characterized in that: An ear is integrally formed on the edge of the face cover; The ear is fixed with an elastic sheet through a rivet; The lamp cup is connected to the bottom surface of the face cover through the elastic sheet.

4. The anti-glare cup lamp with replaceable anti-glare cup and elastic sheet connecting structure according to claim 1, characterized in that: An avoiding groove is arranged on the side wall of the heat sink; A fixing sheet and a side cover are arranged at the avoiding groove; The top end of the bolt passes through the heat sink, the fixing sheet and the side cover and is threadedly connected with the cover-shaped nut; The cover-shaped nut and the top surface of the side cover are provided with a stress spring, and the bolt is arranged in the stress spring.

5. The detachable anti-glare cup lamp with the elastic sheet connecting structure according to claim 1, characterized in that: The surface of the waterproof screw is provided with a nickel plating layer; The inner ring is a tempered white glass structure.