US 12,247,709 B2
Lamp bulb structure and lamp
Faquan Liang, Nanning (CN)
Assigned to Nanning City Hong Cai Illuminations Technology Company Limited, Nanning (CN)
Filed by Nanning City Hong Cai Illuminations Technology Company Limited, Guangxi (CN)
Filed on Jun. 16, 2023, as Appl. No. 18/210,666.
Claims priority of application No. 202321352408.6 (CN), filed on May 30, 2023.
Prior Publication US 2024/0401755 A1, Dec. 5, 2024
Int. Cl. F21K 9/238 (2016.01); F21K 9/232 (2016.01); F21V 19/00 (2006.01); F21V 31/00 (2006.01); F21Y 115/10 (2016.01)
CPC F21K 9/232 (2016.08) [F21K 9/238 (2016.08); F21V 19/0025 (2013.01); F21V 31/005 (2013.01); F21Y 2115/10 (2016.08)] 14 Claims
OG exemplary drawing
 
1. A lamp bulb structure, wherein the lamp bulb structure comprises a lamp housing, a lamp head, a connection base and a wick assembly mounted on the connection base and electrically connected to the lamp head, the lamp housing comprises a lighting part having a lighting cavity and a connecting portion having an annular opening communicating with the lighting cavity; the connection base comprises a first connecting member and a second connecting member; the first connecting member is inserted in the annular opening by interference fit, and the first connecting member forms a recess having an opening facing away from the lighting cavity; the second connecting member is inserted in the recess by interference fit; the lamp head is sleeved on an outer wall of the connecting portion and covers the annular opening;
characterized in that:
the connecting portion comprises an inner support portion and an inner support ring arranged on the inner wall of the annular opening, and an outer support portion and an outer support ring arranged on the outer wall of the connecting portion; the first connecting member is inserted in the annular opening and is connected to the inner support portion by interference fit; the lamp head is connected to the outer support portion by interference fit, and
the first connecting member comprises a support portion and an annular holder connected to one end of the support portion facing away from the lighting cavity; the support portion is inserted into the annular opening and is connected to the inner support portion by interference fit; the annular holder is used to abut the inner support ring or the outer support ring after the support portion is inserted into the annular opening.