Optical assembly with swing-adjustable lens and lighting fixture incorporating the same
View Patent ↗An optical assembly with a swing-adjustable lens and a lighting fixture incorporating the same; optical assembly comprises a spherical cage base, lens support, optical lens, and LED light source; spherical cage cavity is formed in the spherical cage base, and LED light source is fixedly arranged in the spherical cage cavity; the lens support is provided with hollow spherical head housing, the optical lens is arranged in an inner cavity of the spherical head housing, and a light outlet of the optical lens is fixedly connected to the lens support; the structure is reasonable; the LED light source is fixedly arranged, and the spherical head housing is rotatable in the spherical cage base, thereby propelling the optical lens to swing relative to the light source such that the light-emitting direction is adjusted; the adjustment process interferes with fewer components, achieving compact structure and high flexibility.
1 . An optical assembly with a swing-adjustable lens, comprising:
a spherical cage base ( 1 ),
a lens support ( 2 ),
an optical lens ( 3 ), and
an LED light source ( 4 ), wherein a spherical cage cavity ( 11 ) is formed in the spherical cage base ( 1 ), wherein the LED light source ( 4 ) is fixedly arranged in the spherical cage cavity ( 11 ), wherein the lens support ( 2 ) is provided with a hollow spherical head housing ( 21 ), wherein the optical lens ( 3 ) is arranged in an inner cavity of the spherical head housing ( 21 ), wherein a light outlet of the optical lens ( 3 ) is fixedly connected to the lens support ( 2 ), and wherein the spherical head housing ( 21 ) is rotatably arranged in the spherical cage cavity ( 11 ), so that the light inlet of the optical lens ( 3 ) and the LED light source ( 4 ) are arranged in a paired manner,
wherein a limiting ring ( 22 ) is arranged in a lower opening of the lens support ( 2 ), wherein a skirt ring ( 31 ) is arranged at a light outlet of the optical lens ( 3 ), wherein a plurality of limiting fasteners ( 23 ) are arranged on a side wall of the lens support ( 2 ), and wherein the limiting fastener ( 23 ) interacts with the limiting ring ( 22 ) to fasten and connect the skirt ring ( 31 ).
2 . The optical assembly with a swing-adjustable lens of claim 1 , wherein the spherical cage base ( 1 ) comprises:
a hollow cage body ( 12 ) and a cage cover ( 13 ), wherein the cage body ( 12 ) is connected to the cage cover ( 13 ) in a paired manner, wherein the projection of an inner side wall of the cage body ( 12 ) and an inner side wall of the cage cover ( 13 ) on the vertical cross section form a minor arc, wherein the minor arc rotates around the vertical central axis of the spherical cage base ( 1 ) to form a spherical cage cavity ( 11 ), and wherein the spherical head housing ( 21 ) is rotatably arranged in the spherical cage cavity ( 11 ) between the cage body ( 12 ) and the cage cover ( 13 ).
3 . The optical assembly with a swing-adjustable lens of claim 2 , wherein the cage cover ( 13 ) is provided with a rotary snap ring ( 130 ), and wherein the rotary snap ring ( 130 ) is connected to the cage body ( 12 ) in an interacting manner to assemble the spherical head housing ( 21 ) in the spherical cage cavity ( 11 ).
4 . The optical assembly with a swing-adjustable lens of claim 2 , wherein a plurality of anti-sliding ribs ( 110 ) are arranged in the spherical cage cavity ( 11 ), wherein the plurality of anti-sliding ribs ( 110 ) are arranged on an inner side wall of the cage body ( 12 ) and an inner side wall of the cage cover ( 13 ) at equal intervals around the vertical central axis of the spherical cage base ( 1 ), and wherein the plurality of anti-sliding ribs ( 110 ) abut against an outer side wall of the spherical head housing ( 21 ).
5 . The optical assembly with a swing-adjustable lens of claim 2 , wherein the cage body ( 12 ) is provided with a base plate ( 14 ), and wherein the base plate ( 14 ) is provided with a plurality of insertion notches ( 140 ) and stop blocks ( 141 ) for interacting with the insertion notches ( 140 ).
6 . The optical assembly with a swing-adjustable lens of claim 1 , wherein a light-emitting central axis of the LED light source ( 4 ) overlaps a vertical central axis of the spherical cage base ( 1 ), and wherein a rotation center point A of the spherical head housing ( 21 ) is on the vertical central axis of the spherical cage base ( 1 ).
7 . A lighting fixture, comprising:
a heat sink ( 41 ),
the optical assembly with the swing-adjustable lens of claim 1 , wherein an island unit ( 42 ) is arranged in the heat sink ( 41 ), wherein the spherical cage base ( 1 ) is fixedly arranged in the heat sink, wherein a lower end of the island unit ( 42 ) penetrates through the spherical cage base ( 1 ) and is arranged in the spherical cage cavity ( 11 ), wherein the LED light source ( 4 ) is fixed on a lower end surface of the island unit ( 42 ), wherein the heat sink ( 41 ) is provided with a power supply module ( 43 ), and wherein the power supply module ( 43 ) is connected to the LED light source ( 4 ) through wires, and
wherein an inner side wall of the heat sink ( 41 ) is provided with a plurality of guide plates ( 410 ), wherein the guide plates ( 410 ) are provided with sliding fastening notches ( 411 ), and wherein a base plate ( 14 ) is arranged in the sliding fastening notches ( 411 ) in an inserting manner, thereby allowing the spherical cage base ( 1 ) to be fixed in the heat sink ( 41 ).
8 . The lighting fixture of claim 7 , further comprises:
a reflector ( 44 ), wherein the guide plate ( 410 ) is provided with a limiting notch ( 412 ), wherein an upper end of the reflector ( 44 ) is provided with a plurality of insertion pieces ( 45 ), and wherein the plurality of insertion pieces ( 45 ) are inserted into corresponding limiting notches ( 412 ), so that the reflector ( 44 ) is fixedly arranged in the lower opening of the heat sink ( 41 ).