Lighting device

Abstract

The utility model discloses a lighting device which comprises a suspension arm and a lamp body. And a plug connector is arranged at the lower end of the suspension arm. The lamp body comprises a lamp tube, a radiator, a light source and an optical lens. A flange is arranged on the radiator and used for being assembled with the lamp tube in a fastening mode. And the top surface of the radiator is provided with a radiator insertion hole which is used for being assembled with the insertion piece. During assembly, the plug connector penetrates through the top opening of the lamp tube and is plugged in the plug hole of the radiator, the structural strength of the radiator is fully utilized, the radiator is used as a main stressed part for hoisting, the lamp tube is tightly matched with the radiator, a special connecting structure or a reinforcing structure or wall thickness increase is not needed on the lamp tube, the assembly mode is simple, and the cost is low. And the assembling efficiency is improved.

Description

Technical Field

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

[0002] LED lamps such as track lights, ceiling lights, and magnetic lights are widely used in places such as shopping malls to illuminate and create a lighting atmosphere. Track lights, ceiling lights, and magnetic lights are installed on the top of the mounting structure using a boom or cantilever.

[0003] In the prior art, as described in Chinese Utility Model Publication No. CN213930606U, the lower end of a boom or cantilever is mounted on a lamp tube, requiring a corresponding connecting structure on the lamp tube to mount the boom or cantilever. The lamp tube, as the primary load-bearing component during lifting, also houses a heat sink and other components. This requires thicker walls or reinforced connecting structures to meet these load-bearing requirements. Furthermore, the installation method is complex, making it difficult to quickly assemble. Utility Model Content

[0004] The purpose of the present utility model is to overcome the deficiencies of the prior art and to provide a lighting device, in which a connector is provided at the lower end of the suspension arm to be plugged into the radiator in the lamp tube, thereby making full use of the structural strength of the radiator itself and using the radiator as the main load-bearing component for lifting. The lamp tube is tightly fitted with the radiator, and no special connection structure or reinforcement structure or increased wall thickness is required on the lamp tube. The assembly method is simple, thereby improving assembly efficiency.

[0005] The technical solution of the utility model provides a lighting device, comprising a suspension arm and a lamp body installed below the suspension arm;

[0006] The lamp body includes a lamp tube, a heat sink arranged in the lamp tube, a light source arranged at the bottom of the heat sink, and an optical lens fixed in the lamp tube and located below the light source;

[0007] The radiator is provided with a flange, and the flange is fastened and assembled with the lamp tube;

[0008] The top surface of the radiator is provided with a radiator plug hole extending downward, and the lower end of the suspension arm is provided with a plug-in piece;

[0009] The plug-in component passes through the top opening of the lamp tube and is plugged into the plug-in hole of the radiator.

[0010] In one of the optional technical solutions, a cover plate is provided on the connector, and the cover plate covers the top opening of the lamp tube.

[0011] In one of the optional technical solutions, the connector is pivotally connected to the boom.

[0012] In one of the optional technical solutions, the flange is provided with a first positioning rib extending in the up-down direction, and the tube wall of the lamp tube is provided with a first positioning groove extending in the up-down direction;

[0013] The first positioning rib is engaged in the first positioning groove.

[0014] In one of the optional technical solutions, the lamp barrel includes an upper lamp barrel and a lower lamp barrel, and the flange includes an upper flange and a lower flange;

[0015] The upper lamp tube is tightly fitted with the upper flange, and the lower lamp tube is tightly fitted with the lower flange.

[0016] In one of the optional technical solutions, a radiator groove is provided on the bottom surface of the radiator, and the light source is provided in the radiator groove;

[0017] A lens positioning ring is provided on the periphery of the optical lens, the light input end of the optical lens is located in the heat sink groove, the light output end of the optical lens is located in the lower lamp tube, and the lens positioning ring is fixed in the lower lamp tube.

[0018] In one of the optional technical solutions, a support sleeve is installed in the lower lamp tube, and the lens positioning ring is clamped between the upper end of the support sleeve and the groove wall of the heat sink groove.

[0019] In one of the optional technical solutions, the outer surface of the support sleeve is provided with a second positioning rib extending up and down, and the wall of the lower lamp tube is provided with a second positioning groove extending up and down, and the second positioning rib is engaged in the second positioning groove.

[0020] In one of the optional technical solutions, an annular bracket is fixedly installed in the lower lamp tube, and the optical lens passes through the annular bracket;

[0021] A reflective cup is detachably connected to the lower lamp tube, and the reflective cup is located below the annular bracket. The lens positioning ring is clamped between the upper end of the reflective cup and the annular bracket.

[0022] In one of the optional technical solutions, the upper end of the boom is connected to a guide rail head, a ceiling head, or a magnetic guide rail head.

[0023] The above technical solution has the following beneficial effects:

[0024] The lighting device provided by the utility model includes a suspension arm and a lamp body. A connector is provided at the lower end of the suspension arm. The lamp body includes a lamp tube, a radiator, a light source and an optical lens. A flange is provided on the radiator for fastening and assembling with the lamp tube. A radiator plug hole is provided on the top surface of the radiator for assembling with the connector. During assembly, the connector passes through the top opening of the lamp tube and is plugged into the radiator plug hole, making full use of the structural strength of the radiator itself, using the radiator as the main load-bearing component for lifting, and the lamp tube is fastened to the radiator. There is no need to make special connection structures or reinforcement structures or increase the wall thickness on the lamp tube, and the assembly method is simple, which improves the assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The disclosure of the present invention will become easier to understand with reference to the accompanying drawings. It should be understood that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of the present invention. In the drawings:

[0026] Figure 1 A perspective view of the lighting device provided in the first embodiment of the present utility model;

[0027] Figure 2 for Figure 1 A cross-sectional view of the lighting device shown;

[0028] Figure 3 It is a schematic diagram of the connection between the boom and the radiator;

[0029] Figure 4 for Figure 1 An exploded view of the lighting fixture shown;

[0030] Figure 5 A three-dimensional diagram of a connector connected to the bottom of the boom;

[0031] Figure 6 is a three-dimensional diagram of a radiator;

[0032] Figure 7 This is a three-dimensional image of the upper lamp tube from a top-down perspective;

[0033] Figure 8 This is a three-dimensional image of the upper lamp tube when looking up;

[0034] Figure 9 This is a three-dimensional image of the lower lamp tube from a top-down perspective;

[0035] Figure 10 is a three-dimensional diagram of the support sleeve;

[0036] Figure 11 A perspective view of a lighting device provided in a second embodiment of the present invention;

[0037] Figure 12 for Figure 12A cross-sectional view of the lighting device shown;

[0038] Figure 13 This is a three-dimensional diagram of a lighting device provided in the third embodiment of the present invention. DETAILED DESCRIPTION

[0039] The following further describes specific embodiments of the present invention with reference to the accompanying drawings. Identical components are denoted by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "inward" and "outward" refer to directions toward or away from the geometric center of a particular component, respectively.

[0040] like Figure 1-7 and Figure 11-13 As shown, an embodiment of the present invention provides a lighting device, which includes a suspension arm 1 and a lamp body 2 installed below the suspension arm 1.

[0041] The lamp body 2 includes a lamp tube 21 , a heat sink 22 disposed in the lamp tube 21 , a light source 23 disposed at the bottom of the heat sink 22 , and an optical lens 24 fixed in the lamp tube 21 and located below the light source 23 .

[0042] The heat sink 22 is provided with a flange 224 , which is fastened to the lamp tube 21 .

[0043] A radiator plug hole 221 extending downward is provided on the top surface of the radiator 22 , and a plug connector 11 is provided at the lower end of the boom 1 .

[0044] The plug-in component 11 passes through the top opening 213 of the lamp tube 21 and is plugged into the heat sink plug-in hole 221 .

[0045] For the convenience of description in this utility model, the light emitting direction is defined as downward.

[0046] The lighting device provided by the present invention includes a boom 1 and a lamp body 2. The upper end of the boom 1 is used to connect to a mounting structure, which can be a fixed base, a track base, a ceiling mount, a magnetic base, or the like. The boom 1 can be a conventional boom rod or a hanging tube, or an adjustable boom capable of swinging and / or rotating. The lower end of the boom 1 is provided with a connector 11, which can be a plug-in post, a plug-in block, or the like, for connection and assembly with a radiator 22. The connector 11 can be made of plastic or metal.

[0047] The lamp body 2 includes a lamp tube 21, a heat sink 22, a light source 23 and an optical lens 24. The lamp tube 21 can be a round lamp tube or a square lamp tube, and the heat sink 22 is assembled in the lamp tube 21. A flange 224 is provided on the outer peripheral surface of the radiator 22, and the flange 224 is preferably integrally provided with the radiator 22. The flange 224 protrudes toward the outside of the radiator 22 and is used to be tightly assembled with the tube wall of the lamp tube 21, thereby fastening the lamp tube 21 to the radiator 22. The flange 224 is interference fit with the tube wall of the lamp tube 21. The light source 23 is preferably an LED lamp bead, which is installed at the bottom of the radiator 22. The optical lens 24 can be a convex lens, which is installed in the lamp tube 21 and is below the light source 23. The light emitted by the light source 23 is shaped by the convex lens and then emitted.

[0048] The top surface of the radiator 22 is provided with a radiator plug hole 221, and the radiator plug hole 221 extends downward. The radiator plug hole 221 can be a through hole or a blind hole. The radiator plug hole 221 is preferably provided at the center of the radiator 22. The radiator plug hole 221 is used for assembly with the connector 11 and can also be used for wiring. The radial dimension of the connector 11 is slightly larger than the radial dimension of the radiator plug hole 221. During assembly, the connector 11 passes through the top opening 213 of the lamp tube 21 and is plugged into the radiator plug hole 221. The connector 11 and the hole wall of the radiator plug hole 221 are interference fit. By utilizing the connection between the two, the boom 1 can lift the lamp body 2. The radiator 22 is a metal part with high structural strength. The connector 11 is directly connected to the radiator 22, making full use of the structural strength of the radiator 22 and using the radiator 22 as the main load-bearing component for lifting. The lamp tube 21 is tightly fitted with the radiator 22. There is no need to make special connection structures or reinforcement structures or increase the wall thickness on the lamp tube 21. The assembly method is simple, which improves the assembly efficiency.

[0049] In one embodiment, Figure 1-2 and Figure 11-13 As shown, a cover plate 12 is provided on the connector 11, and the cover plate 12 covers the top opening 213 of the lamp tube 21 to block dust.

[0050] In one embodiment, Figure 1-5 As shown, the connector 11 is pivotally connected to the boom 1 , so that the lamp body 2 can swing relative to the boom 1 , thereby adjusting the illumination angle of the lamp body 2 .

[0051] Specifically, the upper end of the connector 11 is connected to the first sleeve 13, and the lower end of the boom 1 is fixedly connected to the second sleeve 14. The second sleeve 14 is connected to the first sleeve 13 through a pin, and the pin is perpendicular to the boom 1. The first sleeve 13 can rotate relative to the second sleeve 14, so that the lamp body 2 can swing relative to the boom 1.

[0052] In one embodiment, Figure 2-3 and Figure 6-9 As shown, a first positioning rib 225 extending in the up-down direction is provided on the flange 224 , and a first positioning groove 214 extending up-down is provided on the wall of the lamp tube 21 , and the first positioning rib 225 fits in the first positioning groove 214 .

[0053] In this embodiment, a plurality of first positioning ribs 225 are provided on the flange 224 , and the first positioning ribs 225 extend in the up-down direction. Preferably, the first positioning ribs 225 are integrally provided with the flange 224 .

[0054] The wall of the lamp tube 21 is correspondingly provided with a plurality of first positioning grooves 214. During assembly, the first positioning ribs 225 engage with the first positioning grooves 214, which not only realizes the positioning of the lamp tube 21 and the heat sink 22, but also helps to improve the connection stability of the lamp tube 21 and the heat sink 22.

[0055] In one embodiment, Figure 1-3 and Figure 6-9 As shown, the lamp barrel 21 includes an upper lamp barrel 211 and a lower lamp barrel 212 , and the flange 224 includes an upper flange 2241 and a lower flange 2242 .

[0056] The upper lamp tube 211 is tightly fitted with the upper flange 2241 , and the lower lamp tube 212 is tightly fitted with the lower flange 2242 .

[0057] In this embodiment, the lamp tube 21 is divided into an upper lamp tube 211 and a lower lamp tube 212. The flange 224 on the radiator 22 is correspondingly configured as an upper flange 2241 and a lower flange 2242 to enable the assembly of the upper lamp tube 211, the lower lamp tube 212 and the radiator 22.

[0058] This arrangement facilitates assembly of the lamp tube 21 and the heat sink 22. During assembly, the upper lamp tube 211 is first placed over the heat sink 22, tightly fitting with the upper flange 2241. The portion of the heat sink 22 with the lower flange 2242 extends below the upper lamp tube 211. Next, the lower lamp tube 212 is placed over the heat sink 22, tightly fitting with the lower flange 2242.

[0059] In one embodiment, Figure 2 and Figure 12 As shown, a heat sink groove 222 is provided on the bottom surface of the heat sink 22 , and the light source 23 is disposed in the heat sink groove 222 .

[0060] A lens positioning ring 241 is provided on the periphery of the optical lens 24 . The light incident end of the optical lens 24 is located in the heat sink groove 222 , and the light emitting end of the optical lens 24 is located in the lower lamp tube 212 . The lens positioning ring 241 is fixed in the lower lamp tube 212 .

[0061] In this embodiment, a radiator groove 222 is provided on the bottom surface of the radiator 22, and the light source 23 is provided on the top plate of the radiator groove 222. The light source 23 is surrounded by the radiator 22, and the heat generated by the light source 23 can be quickly taken away by the radiator 22. The light input end of the optical lens 24 extends into the radiator groove 222 and cooperates with the light source 23. The light output end of the optical lens 24 is in the lower lamp tube 212, which can reduce light loss. A lens positioning ring 241 is provided on the outer periphery of the optical lens 24, and the lens positioning ring 241 can be a flange provided around the optical lens 24. The lens positioning ring 241 is fixed in the lower lamp tube 212 to fix the optical lens 24.

[0062] In one embodiment, Figure 2 and Figure 4 As shown, a support sleeve 25 is installed in the lower lamp tube 212 , and a lens positioning ring 241 is sandwiched between the upper end of the support sleeve 25 and the groove wall 223 of the heat sink groove 222 .

[0063] In this embodiment, a support sleeve 25 is provided to support the lens positioning ring 241. The support sleeve 25 is secured within the lower lamp tube 212, providing an interference fit with the wall of the lower lamp tube 212. The upper end of the support sleeve 25 bears against the lens positioning ring 241, and the top surface of the lens positioning ring 241 abuts against the lower end of the groove wall 223 of the heat sink groove 222. Thus, the lens positioning ring 241 is sandwiched between the upper end of the support sleeve 25 and the lower end of the groove wall 223, enhancing structural stability.

[0064] In one embodiment, Figure 9-10 As shown, the outer surface of the support sleeve 25 is provided with a second positioning rib 251 extending up and down, and the tube wall of the lower lamp tube 212 is provided with a second positioning groove 215 extending up and down, and the second positioning rib 251 is fitted in the second positioning groove 215.

[0065] In this embodiment, the outer surface of the support sleeve 25 is provided with a plurality of second positioning ribs 251 , which extend in the vertical direction. Preferably, the second positioning ribs 251 are integrally provided with the support sleeve 25 .

[0066] Correspondingly, a plurality of second positioning grooves 215 are provided on the wall of the lower lamp tube 212. During assembly, the second positioning ribs 251 engage with the second positioning grooves 215, which not only achieves the positioning of the support sleeve 25 and the lower lamp tube 212, but also helps to improve the connection stability of the support sleeve 25 and the lower lamp tube 212.

[0067] In one embodiment, Figure 12 As shown, an annular bracket 26 is fixedly installed in the lower lamp tube 212 , and the optical lens 24 passes through the annular bracket 26 .

[0068] A reflective cup 27 is detachably connected to the lower lamp tube 212 . The reflective cup 27 is located below the annular bracket 26 . The lens positioning ring 241 is sandwiched between the upper end of the reflective cup 27 and the annular bracket 26 .

[0069] In this embodiment, an annular bracket 26 is provided in the lower lamp tube 212 for supporting the optical lens 24 . The optical lens 24 passes through the center hole of the annular bracket 26 .

[0070] A reflective cup 27 is installed in the lower lamp tube 212 . The reflective cup 27 is located below the annular bracket 26 . The reflective cup 27 plays a light-collecting role.

[0071] The sleeve portion of the reflector 27 forms an interference fit with the lower lamp tube 212, or alternatively, a threaded connection. The flared portion of the reflector 27 extends upward, with the upper edge of the flared portion resting against the lens positioning ring 241. The top surface of the lens positioning ring 241 abuts against the bottom surface of the annular bracket 26. Thus, the lens positioning ring 241 is sandwiched between the upper end of the reflector 27 and the bottom surface of the annular bracket 26, enhancing structural stability.

[0072] The lens positioning ring 241 is sandwiched between the upper end of the reflective cup 27 and the annular bracket 26 .

[0073] In one embodiment, Figure 1 、 Figure 11 and Figure 13 As shown, the upper end of the boom 1 is connected to a rail head 3 or a ceiling head 4 or a magnetic rail head 5 to form a track light, a ceiling light or a magnetic light respectively, which is suitable for different usage scenarios or user groups.

[0074] As needed, the above technical solutions can be combined to achieve the best technical effect.

[0075] The above are only the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, other modifications can be made based on the principles of the present invention, which should also be considered as the scope of protection of the present invention.

Claims

1. A lighting device, characterized in that: It includes a suspension arm and a lamp body installed below the suspension arm; The lamp body includes a lamp tube, a heat sink arranged in the lamp tube, a light source arranged at the bottom of the heat sink, and an optical lens fixed in the lamp tube and located below the light source; The radiator is provided with a flange, and the flange is fastened and assembled with the lamp tube; The top surface of the radiator is provided with a radiator plug hole extending downward, and the lower end of the suspension arm is provided with a plug-in piece; The plug-in component passes through the top opening of the lamp tube and is plugged into the plug-in hole of the radiator.

2. The lighting device according to claim 1, characterized in that A cover plate is provided on the connector, and the cover plate covers the top opening of the lamp tube.

3. The lighting device according to claim 1, wherein The connector is pivotally connected to the suspension arm.

4. The lighting device according to claim 1, characterized in that The flange is provided with a first positioning rib extending in the up-down direction, and the wall of the lamp tube is provided with a first positioning groove extending in the up-down direction; The first positioning rib is engaged in the first positioning groove.

5. The lighting device according to any one of claims 1 to 4, characterized in that: The lamp barrel includes an upper lamp barrel and a lower lamp barrel, and the flange includes an upper flange and a lower flange; The upper lamp tube is tightly fitted with the upper flange, and the lower lamp tube is tightly fitted with the lower flange.

6. The lighting device according to claim 5, characterized in that The bottom surface of the radiator is provided with a radiator groove, and the light source is arranged in the radiator groove; A lens positioning ring is provided on the periphery of the optical lens, the light input end of the optical lens is located in the heat sink groove, the light output end of the optical lens is located in the lower lamp tube, and the lens positioning ring is fixed in the lower lamp tube.

7. The lighting device according to claim 6, characterized in that A supporting sleeve is installed in the lower lamp tube, and the lens positioning ring is clamped between the upper end of the supporting sleeve and the groove wall of the radiator groove.

8. The lighting device according to claim 7, characterized in that The outer surface of the support sleeve is provided with a second positioning rib extending up and down, and the wall of the lower lamp tube is provided with a second positioning groove extending up and down, and the second positioning rib is fitted in the second positioning groove.

9. The lighting device according to claim 6, characterized in that An annular bracket is fixedly installed in the lower lamp tube, and the optical lens passes through the annular bracket; A reflective cup is detachably connected to the lower lamp tube, and the reflective cup is located below the annular bracket. The lens positioning ring is clamped between the upper end of the reflective cup and the annular bracket.

10. The lighting device according to claim 1, wherein The upper end of the boom is connected with a guide rail head, a top suction head or a magnetic guide rail head.

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