Down lamp structure

By setting up a sealed connection between a transparent waterproof cover and a rubber ring in the downlight structure, the problem of insufficient waterproof and dustproof performance of traditional downlights is solved, and efficient waterproof and dustproof effect is achieved, extending service life and maintaining lighting effect.

CN222798931UActive Publication Date: 2025-04-25NANCHANG KERIP OPTOELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202421058714.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-04-25
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

The traditional downlight structure has poor waterproof and dustproof effect, and is easily eroded by impurities such as dust and water, which affects the luminous effect and shortens the service life.

Method used

A downlight structure is designed, by setting a transparent waterproof cover outside the lamp plate and setting a rubber ring between the waterproof cover and the radiator to achieve a sealed connection to prevent external impurities from touching the lamp plate.

Benefits of technology

It significantly improves the waterproof and dustproof performance of downlights, protects the lamp board, extends the service life, reduces faults and repair needs caused by environmental factors, and maintains lighting effects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a down lamp structure which comprises a rubber ring, a lamp panel, a waterproof cover and a radiator. The lamp panel is arranged at the bottom of the cavity of the radiator; the waterproof cover is arranged outside the lamp panel in a covering mode, the edge of the waterproof cover is fixed to the bottom of the cavity of the radiator, and the waterproof cover is a transparent waterproof cover. And the rubber ring is arranged between the waterproof cover and the radiator. The down lamp structure has the remarkable waterproof and dustproof effects, the lamp panel can be protected, the service life is prolonged, meanwhile, the lighting effect is kept, the production cost is reduced, and installation and replacement are convenient. Due to the beneficial effects, the down lamp structure has wide application prospects and market requirements in the technical field of illumination.
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Description

Technical Field

[0001] The utility model relates to the technical field of lighting, and in particular to a downlight structure. Background Art

[0002] In the field of lighting technology, downlights are a common lighting device, widely used in homes, offices, shopping malls, and other places. With technological advancements and rising demands for a better quality of life, performance requirements for downlights are becoming increasingly stringent, especially in terms of water and dust resistance. Traditional downlights often have light panels directly exposed to the outside world, making them susceptible to corrosion from impurities such as dust and water. This not only affects the panel's luminous effect, but can also shorten the downlight's lifespan and even pose safety risks.

[0003] To address this issue, various waterproof and dustproof downlight structures have emerged on the market. However, the effectiveness of these downlights varies widely. While some products can prevent water and dust intrusion to a certain extent, they may still leak or seep into the system after prolonged use or in harsh environments, failing to truly meet user needs. Utility Model Content

[0004] The purpose of the utility model is to provide a downlight structure, aiming to improve the waterproof and dustproof performance of the downlight by improving the structural design of the downlight, so as to meet the user's demand for high performance and high reliability of the downlight.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is to provide a downlight structure, which includes:

[0006] a radiator, wherein a chamber is provided in the radiator;

[0007] a light board, the light board being arranged at the bottom of the cavity of the radiator;

[0008] A waterproof cover, which is arranged outside the light panel and has an edge fixed to the bottom of the radiator chamber. The waterproof cover is a transparent waterproof cover;

[0009] A rubber ring is arranged between the waterproof cover and the radiator.

[0010] In one embodiment, the downlight structure further comprises:

[0011] Reflective paper, one end of which is buckled onto the waterproof cover;

[0012] an optical sheet, the optical sheet being arranged at the other end of the reflective paper;

[0013] A decorative ring is connected to the top of the cavity of the radiator, and the decorative ring presses the reflective paper and the optical sheet tightly.

[0014] In one embodiment, a brim is provided at one end of the reflective paper close to the optical sheet, and the optical sheet and the heat sink clamp the brim.

[0015] In one embodiment, the decorative ring is detachably mounted on the heat sink.

[0016] In one embodiment, the downlight structure further includes a spring clip, and the spring clip is arranged outside the heat sink.

[0017] In one embodiment, the downlight structure further includes a power cord fixing portion, and the power cord fixing portion is disposed in the cavity of the radiator.

[0018] One or more of the above technical solutions in the embodiments of the present invention have at least the following technical effects or advantages:

[0019] First, by providing a waterproof cover on the exterior of the light panel and a rubber ring between the cover and the radiator to achieve a sealed connection, this design effectively prevents external impurities such as dust and water from reaching the light panel, significantly improving the downlight's waterproof and dustproof performance. This design not only protects the light panel and ensures its normal operation, but also extends the downlight's service life and reduces malfunctions and maintenance requirements due to environmental factors.

[0020] Secondly, the waterproof cover adopted by the utility model is a transparent design, which means that while being waterproof and dustproof, it does not affect the lighting effect of the downlight. The transparent waterproof cover allows light to pass through, ensuring that the light of the downlight is uniform and bright, providing users with a comfortable lighting environment.

[0021] In addition, the rubber ring sealing connection method adopted by the present invention not only achieves good waterproof and dustproof effects, but also has the characteristics of simple structure and easy installation. This design reduces the production cost of the downlight and also facilitates the user to install and replace it.

[0022] In summary, the downlight structure of this patent has significant waterproof and dustproof effects, can protect the light panel, extend the service life, while maintaining the lighting effect, reducing production costs, and facilitating installation and replacement. These beneficial effects make the downlight structure of this utility model have broad application prospects and market demand in the field of lighting technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 An exploded view of the downlight structure provided by an embodiment of the utility model;

[0025] Figure 2 A cross-sectional view of a downlight structure provided by an embodiment of the present utility model;

[0026] Figure 3 This is a three-dimensional diagram of the downlight structure provided by an embodiment of the utility model.

[0027] The reference numerals are as follows:

[0028] 1. Radiator; 2. Light board; 3. Waterproof cover; 4. Rubber ring; 5. Reflective paper; 6. Optical sheet; 7. Decorative ring; 8. Spring clip; 9. Power cord fixing part; 10. Power cord; 51. Brim. DETAILED DESCRIPTION

[0029] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0030] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0032] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0033] See also Figures 1 to 3 The embodiment of the present application provides a downlight structure, including a rubber ring 4, a light board 2, a waterproof cover 3, and a radiator 1, wherein a chamber is provided in the radiator 1 (or a shell); the light board 2 is provided at the bottom of the chamber of the radiator 1; the waterproof cover 3 is provided on the outside of the light board 2, and the edge of the waterproof cover 3 is fixed to the bottom of the chamber of the radiator 1, and the waterproof cover 3 is a transparent waterproof cover 3 (the material of the waterproof cover 3 can be glass, polycarbonate, etc.); the rubber ring 4 is provided between the waterproof cover 3 and the radiator 1.

[0034] It achieves the sealing of the light board 2 by providing a waterproof cover 3 on the outside of the light board 2 and setting a rubber ring 4 at the connection position between the waterproof cover 3 and the radiator 1 (or outer shell). The rubber ring 4 is used to make the waterproof cover 3 and the radiator 1 sealed, thereby sealing the light board 2 and preventing external dust, water and other impurities from contacting the light board 2, so that the downlight has a high waterproof and dustproof function (up to IP54).

[0035] In one embodiment, the downlight structure further includes a decorative ring 7, an optical sheet 6, and reflective paper 5. One end of the reflective paper 5 is buckled onto the waterproof cover 3; the optical sheet 6 is disposed on the other end of the reflective paper 5; and the decorative ring 7 is connected to the top of the cavity of the heat sink 1, pressing the reflective paper 5 and the optical sheet 6 together.

[0036] In one embodiment, a brim 51 is provided at one end of the reflective paper 5 near the optical sheet 6, and the optical sheet 6 and the heat sink 1 clamp the brim 51. By providing the brim 51 and clamping the brim 51 between the optical sheet 6 and the heat sink 1, external impurities such as dust and water are less likely to penetrate the optical sheet 6 and the reflective paper 5 and enter the space within the waterproof cover 3 (increasing the contact area between the reflective paper 5, the optical sheet 6, and the heat sink 1 to improve the sealing effect), thereby improving the waterproof and dustproof effects of the downlight.

[0037] In one embodiment, the decorative ring 7 is detachably mounted on the radiator 1. Specifically, the decorative ring 7 can be connected to the radiator 1 by threaded connection or snap-on connection, so that the user can easily replace the radiator 1 with a different color and style according to personal needs.

[0038] In one embodiment, the downlight structure further includes a spring clip 8 , which is disposed outside the heat sink 1 . The spring clip 8 facilitates the installation and fixation of the downlight structure.

[0039] In one embodiment, the downlight structure further includes a power cord securing portion 9 disposed within the cavity of the heat sink 1. This portion includes a wire clamp that compresses and secures the power cord 10 within the cavity of the heat sink 1. By locating the power cord securing portion 9 within the cavity of the heat sink 1, the downlight structure of this embodiment is more aesthetically pleasing compared to locating the power cord securing portion 9 outside the heat sink 1.

[0040] A through hole is provided on the side wall of the radiator 1, through which the power cord 10 is inserted and fixed via a wire clamp. A connection hole is provided at the upper end of the waterproof cover 3, through which the power cord 10 is electrically connected to the light board 2 inside the waterproof cover 3. In order to ensure the waterproof and dustproof performance of the downlight structure, a rubber sleeve can be provided between the power cord 10 and the through hole of the radiator 1, and the rubber sleeve is used to close the gap between the power cord 10 and the through hole of the radiator 1. In addition, after the power cord 10 is connected to the light board 2 through the connection hole, a waterproof glue or other structure can be applied to the connection hole of the waterproof cover 3 to close the connection hole on the waterproof cover 3 and ensure the sealing effect of the waterproof cover 3.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A downlight structure, characterized in that: The downlight structure comprises: A radiator, wherein a chamber is disposed in the radiator; A light board, the light board being arranged at the bottom of the chamber of the radiator; A waterproof cover, which is arranged outside the light panel, and the edge of the waterproof cover is fixed to the bottom of the chamber of the radiator, and the waterproof cover is a transparent waterproof cover; A rubber ring is arranged between the waterproof cover and the radiator.

2. A downlight structure according to claim 1, characterized in that: The downlight structure also includes: Reflective paper, one end of which is buckled on the waterproof cover; An optical sheet, which is arranged at the other end of the reflective paper; A decorative ring is connected to the top of the chamber of the radiator, and the decorative ring presses the reflective paper and the optical sheet tightly.

3. A downlight structure according to claim 2, characterized in that: A brim is provided at one end of the reflective paper close to the optical sheet, and the optical sheet and the heat sink clamp the brim.

4. The downlight structure according to claim 2, characterized in that: The decorative ring is detachably arranged on the radiator.

5. The downlight structure according to claim 1, characterized in that: The downlight structure further includes a spring clip, and the spring clip is arranged outside the heat sink.

6. The downlight structure according to claim 1, characterized in that: The downlight structure further includes a power line fixing portion, and the power line fixing portion is arranged in the cavity of the radiator.