Down lamp convenient to install and maintain

Abstract

The down lamp convenient to install and maintain comprises a radiator, a lamp shell, a lens and a reflection cup, an LED light source is arranged in the radiator, the radiator is fixedly connected with the lamp shell, a circular ring used for fixing the lens is arranged at the end of the reflection cup, a plurality of buckles are arranged on the circular ring, and the LED light source is arranged in the lamp shell. The lens is fixed in the circular ring and fixed through a buckle, a protruding block and a sliding groove are arranged between the circular ring and the lamp shell, the protruding block rotates, moves and slides into the sliding groove to be fixed, a step is arranged in the lamp shell, and a screw hole is formed in the step. The lamp shell and the radiator are fixedly connected through a screw penetrating through the screw hole of the step, the lamp shell and the radiator can be quickly disassembled by rotating the reflection cup, and then the radiator and the lamp shell can be separated by inserting a screwdriver into the screw hole of the step for disassembly, so that the LED light source can be replaced, disassembly is simpler, and maintenance is more convenient.

Description

Technical field:

[0001] The utility model relates to the field of downlights, in particular to a downlight which is easy to install and maintain. Background technology:

[0002] Downlight is a lighting fixture that is embedded in the ceiling and radiates light downward. It has a compact structure and is easy to install. It is widely used in home lighting as well as lighting and atmosphere creation in public places such as shopping malls and hotels.

[0003] The existing downlight includes a radiator, a lamp housing, an LED light source and a lamp cup. The LED light source is installed in the radiator. The radiator and the lamp housing are generally threadedly connected, and are connected by an internal thread on the inner side of the lamp housing and an external thread on the radiator. Generally, a lens is placed on the surface of the LED light source, and then the lamp cup is placed. An inner ring is threadedly or snap-connected at the opening of the lamp housing, and the inner ring is used to fix and limit the lamp cup. This type of downlight is generally damaged by the LED light source or the driver. The driver is set outside and is relatively simple to replace. However, if the LED light source is damaged, the lamp with this structure is difficult to disassemble, which is not conducive to maintenance. Utility model content:

[0004] The utility model aims to provide a downlight which is easy to install and maintain, so as to solve the problem in the prior art that when the LED light source of the downlight is damaged, the lamp is difficult to disassemble and is not conducive to maintenance.

[0005] The purpose of the utility model is achieved through the following technical solutions.

[0006] The utility model aims to provide a downlight which is easy to install and maintain, comprising a radiator, a lamp housing, a lens and a reflective cup, wherein an LED light source is arranged in the radiator, the middle part of the lamp housing is through-through, the radiator is fixedly connected to the lamp housing, the light of the LED light source is radiated out from the position where the middle part of the lamp housing is through-through, a circular ring for fixing the lens is arranged at the end position of the reflective cup, a plurality of buckles are arranged on the circular ring, the lens is fixed in the circular ring by the buckles, a protrusion and a slide groove are arranged between the circular ring and the lamp housing, the protrusion is rotated and moved to slide into the slide groove for fixing, a step is arranged in the lamp housing, a screw hole is arranged on the step, and the lamp housing and the radiator are fixedly connected by screws passing through the screw holes of the step.

[0007] Furthermore, the protrusion is arranged in the circular ring, and the slide groove is arranged in the lamp housing.

[0008] Furthermore, a groove is provided in the heat sink, and the LED light source is arranged in the groove.

[0009] Furthermore, the lens is a Fresnel lens.

[0010] Furthermore, a protruding honeycomb structure is provided on the lens.

[0011] Furthermore, when the reflective cup is mounted on the lamp housing, the openings of the lamp housing and the reflective cup are flush.

[0012] Furthermore, a spring sheet is installed on the side of the radiator.

[0013] Furthermore, heat dissipation holes for heat dissipation are arranged on the sides of the radiator.

[0014] Compared with the prior art, the utility model has the following effects:

[0015] 1) The utility model describes a downlight that is easy to install and maintain, including a radiator, a lamp housing, a lens and a reflector cup, wherein an LED light source is arranged in the radiator, the middle part of the lamp housing is through-through, the radiator is fixedly connected to the lamp housing, the light of the LED light source is radiated out from the position where the middle part of the lamp housing is through-through, a circular ring for fixing the lens is arranged at the end position of the reflector cup, a plurality of buckles are arranged on the circular ring, the lens is fixed in the circular ring by the buckles, a protrusion and a slide groove are arranged between the circular ring and the lamp housing, the protrusion is rotated and moved to slide into the slide groove for fixing, a step is arranged in the lamp housing, a screw hole is arranged on the step, the lamp housing and the radiator are fixedly connected by screws passing through the screw holes of the step, the reflector cup can be quickly disassembled, and then a screwdriver is inserted into the screw hole of the step for disassembly to separate the radiator and the lamp housing, so that the LED light source can be replaced, which makes disassembly simpler and maintenance more convenient.

[0016] 2) Other advantages of the present invention are described in detail in the embodiment section of the specification. Description of the drawings:

[0017] Figure 1 It is a three-dimensional diagram of a multifunctional downlight provided by an embodiment of the utility model;

[0018] Figure 2 is a cross-sectional view of a multifunctional downlight provided by an embodiment of the utility model;

[0019] Figure 3 This is an exploded view of a multifunctional downlight provided by an embodiment of the utility model;

[0020] Figure 4 It is an exploded view of the multifunctional downlight provided by the embodiment of the utility model. Specific implementation method:

[0021] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0024] like Figures 1 to 4As shown, this embodiment provides a downlight that is easy to install and maintain, including a heat sink 1, a lamp housing 2, a lens 3 and a reflector cup 4. The heat sink 1 is provided with an LED light source, and the heat sink 1 is used to conduct and dissipate the heat of the LED light source. The middle of the lamp housing 2 is penetrated, and the heat sink 1 is fixedly connected to the lamp housing 2. The light of the LED light source is irradiated from the position where the middle of the lamp housing 2 is penetrated. The end position of the reflector cup 4 is provided with a ring 41 for fixing the lens, and the ring 41 is provided with a plurality of buckles 42. The lens 3 is fixed in the ring 41 by the buckles 42. At least two buckles 42 are provided, which are equidistant from each other. The lens 3 is placed in a row, with the card points facing inward, and the card points are used to fix it. A protrusion 43 and a slide groove 21 are provided between the ring 41 and the lamp housing 2. The protrusion 43 is rotated and moved to slide into the slide groove 21 for fixation. A step 22 is provided in the lamp housing 2, and a screw hole 23 is provided on the step 22. The lamp housing 2 and the radiator 1 are fixedly connected by screws passing through the screw holes 23 of the step 22. The reflector cup 4 can be quickly disassembled, and then a screwdriver can be inserted into the screw hole of the step for disassembly to separate the radiator and the lamp housing. In this way, the LED light source can be replaced, and disassembly is simpler and maintenance is more convenient.

[0025] Preferably, the protrusion 43 is disposed in the circular ring 41 , and the slide groove 21 is disposed in the lamp housing 2 .

[0026] Preferably, a groove 101 is provided in the heat sink 1, the LED light source is arranged in the groove 101, and the lamp housing 2 extends into the groove 101, so that the overall structure is more compact.

[0027] Preferably, the lens 3 is a Fresnel lens, and a protruding honeycomb structure is provided on the lens 3. During the re-irradiation process, the honeycomb structure can reduce glare and make the light more uniform.

[0028] Preferably, when the reflector cup 4 is mounted on the lamp housing 2 , the openings of the lamp housing 2 and the reflector cup 4 are flush, which can make the lamp more beautiful.

[0029] Preferably, a spring sheet is installed on the side of the radiator 1, and when the downlight is installed in the hole of the ceiling, the spring sheet can support the entire downlight to prevent it from falling.

[0030] Preferably, a heat dissipation hole 102 for dissipating heat is provided on the side of the radiator 1, and the heat dissipation hole can effectively take away heat and improve the heat dissipation effect.

[0031] In the prior art, when the LED light source of the downlight is damaged, the lamp is difficult to disassemble and is not conducive to maintenance. By providing a bump and a slide groove between the ring and the lamp housing, the reflector cup can be quickly disassembled by rotating it, and then a screwdriver can be inserted into the screw hole of the step for disassembly to separate the radiator and the lamp housing, so that the LED light source can be replaced, which makes disassembly easier and maintenance more convenient.

[0032] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited thereto. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A downlight that is easy to install and maintain, comprising a radiator (1), a lamp housing (2), a lens (3) and a reflector cup (4), wherein an LED light source is arranged in the radiator (1), the middle of the lamp housing (2) is penetrated, the radiator (1) is fixedly connected to the lamp housing (2), and light from the LED light source is radiated out from the position where the middle of the lamp housing (2) is penetrated, and the characteristics are: A circular ring (41) for fixing a lens is arranged at the end of the reflective cup (4), and a plurality of buckles (42) are arranged on the circular ring (41). The lens (3) is fixed in the circular ring (41) by means of the buckles (42). A convex block (43) and a slide groove (21) are arranged between the circular ring (41) and the lamp housing (2). The convex block (43) is rotated and moved to slide into the slide groove (21) for fixing. A step (22) is arranged in the lamp housing (2), and a screw hole (23) is arranged on the step (22). The lamp housing (2) and the heat sink (1) are fixedly connected by screws passing through the screw holes (23) of the step (22).

2. The downlight that is easy to install and maintain according to claim 1, characterized in that: The protrusion (43) is arranged in the circular ring (41), and the sliding groove (21) is arranged in the lamp housing (2).

3. The downlight that is easy to install and maintain according to claim 1, characterized in that: A groove (101) is provided in the heat sink (1), and the LED light source is arranged in the groove (101).

4. The downlight that is easy to install and maintain according to claim 1, characterized in that: The lens (3) is a Fresnel lens.

5. The downlight that is easy to install and maintain according to claim 4 is characterized in that: The lens (3) is provided with a protruding honeycomb structure.

6. The downlight that is easy to install and maintain according to claim 1, characterized in that: When the reflective cup (4) is mounted on the lamp housing (2), the openings of the lamp housing (2) and the reflective cup (4) are flush.

7. The downlight that is easy to install and maintain according to claim 1, characterized in that: A spring sheet is installed on the side of the radiator (1).

8. The downlight that is easy to install and maintain according to claim 1, characterized in that: The heat sink (1) is provided with heat dissipation holes (102) on its side for dissipating heat.

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