CN-224229821-U - Light guide structure and light-emitting device

Abstract

The embodiment of the application relates to the technical field of light guide structures and discloses a light guide structure and a light-emitting device, wherein the light guide structure comprises a base and a light guide column, and the base is provided with a through hole; one of the inner side walls of the light guide column and the through hole is provided with a first bulge and a second bulge, the other is provided with a clamping groove, the first bulge and the second bulge are distributed at intervals along the axial direction of the light guide column, and any one of the first bulge and the second bulge is clamped in the clamping groove. Through the mode, the distance between the light guide column and the lamp beads can be adjusted, so that the uniformity of light is improved, and the display effect of the lamp light is improved.

Inventors

• YE ZILONG

Assignees

• 深圳和而泰智能控制股份有限公司

Dates

Publication Date

20260512

Application Date

20250327

Claims (9)

1. 1. A light guide structure, comprising: the base is provided with a through hole; the light guide column is at least partially inserted into the through hole; one of the inner side walls of the light guide column and the through hole is provided with a first protrusion and a second protrusion, the other one of the inner side walls of the light guide column and the through hole is provided with a clamping groove, the first protrusion and the second protrusion are distributed at intervals along the axial direction of the light guide column, and any one of the first protrusion and the second protrusion is clamped in the clamping groove.
2. 2. A light guide structure as recited in claim 1, wherein, The light guide column is characterized in that a third protrusion is further arranged on one of the inner side walls of the through hole, the first protrusion, the second protrusion and the third protrusion are distributed at intervals along the axial direction of the light guide column, and any one of the first protrusion, the second protrusion and the third protrusion is clamped in the clamping groove.
3. 3. A light guide structure as defined in claim 2, wherein, The first protrusion, the second protrusion and the third protrusion are all arranged on the light guide column, the light guide column comprises a first end and a second end which are opposite, the first protrusion is closer to the first end than the third protrusion, and the distance between the first end and the first protrusion is different from the distance between the second end and the third protrusion.
4. 4. A light guide structure as defined in claim 3, wherein, The distance between the second protrusion and the first end and the distance between the second protrusion and the second end are different along the axial direction of the light guide column.
5. 5. A light guide structure, comprising: the base is provided with a through hole; the light guide column is at least partially inserted into the through hole; One of the inner side walls of the light guide column and the through hole is provided with a first bulge, the other one is provided with a plurality of clamping grooves, the clamping grooves are distributed at intervals along the axial direction of the light guide column, and the first bulge is clamped in any clamping groove.
6. 6. The light-emitting device is characterized by comprising a circuit board, a mounting frame, a surface cover and the light guide structure of any one of claims 1-5, wherein the mounting frame is provided with a mounting hole, the light guide structure is contained in the mounting hole, the circuit board is arranged at one end of the mounting frame, the surface cover is arranged at the other end of the mounting frame, the circuit board is provided with a lamp bead, the base is mounted on the circuit board, and the lamp bead is at least partially exposed to the through hole.
7. 7. A light-emitting apparatus according to claim 6, wherein, The light-emitting device comprises a diffusion sheet, wherein the diffusion sheet is arranged between the face cover and the mounting frame, and the diffusion sheet covers the mounting hole.
8. 8. A light-emitting apparatus according to claim 6, wherein, The light-emitting device comprises a light guide ring, the mounting frame is provided with a ring groove, the light guide ring is inserted into the ring groove, and the ring groove surrounds the mounting hole when being observed along the axial direction of the light guide column.
9. 9. A light-emitting apparatus according to claim 6, wherein, The base is provided with the grafting foot, the circuit board is provided with the jack, the grafting foot peg graft in the jack.

Description

Light guide structure and light-emitting device Technical Field The embodiment of the application relates to the technical field of light guide structures, in particular to a light guide structure and a light-emitting device. Background The existing light-emitting device is generally provided with a light guide structure, and a light guide column in the light guide structure can guide the irradiation direction of light rays, so that the light emitted by the light-emitting device is more uniform. In the implementation process, the inventor finds that when the existing light guide structure is installed on the light-emitting device, the distance between the light guide column in the light guide structure and the lamp beads in the light-emitting device is fixed, so that the light display effect of the light-emitting device is not convenient to adjust. Disclosure of utility model The technical problem to be solved by the embodiment of the application is to provide the light guide structure and the light-emitting device, which can adjust the distance between the light guide column and the lamp beads, thereby being beneficial to improving the uniformity of light and improving the display effect of the light In a first aspect, an embodiment of the present application provides a light emitting device, including a base and a light guide column, where the base is provided with a through hole, at least a portion of the light guide column is inserted into the through hole, one of inner side walls of the light guide column and the through hole is provided with a first protrusion and a second protrusion, the other one is provided with a clamping groove, the first protrusion and the second protrusion are distributed at intervals along an axial direction of the light guide column, and any one of the first protrusion and the second protrusion is clamped in the clamping groove. In some embodiments, one of the inner side walls of the light guide column and the through hole is further provided with a third protrusion, the first protrusion, the second protrusion and the third protrusion are distributed at intervals along the axial direction of the light guide column, and any one of the first protrusion, the second protrusion and the third protrusion is clamped in the clamping groove. In some embodiments, the first protrusion, the second protrusion, and the third protrusion are all disposed on the light guide column, and the light guide column includes opposite first and second ends along an axial direction of the light guide column, the first protrusion being closer to the first end than the third protrusion, a distance between the first end and the first protrusion being different from a distance between the second end and the third protrusion. In some embodiments, the distance between the second protrusion and the first end and the distance between the second protrusion and the second end are different along the axial direction of the light guiding column. In a second aspect, an embodiment of the application provides a light guide structure, which comprises a base and a light guide column, wherein the base is provided with a through hole, at least part of the light guide column is inserted into the through hole, one of the inner side walls of the light guide column and the through hole is provided with a first bulge, the other one of the inner side walls of the light guide column and the through hole is provided with a plurality of clamping grooves, the clamping grooves are distributed at intervals along the axial direction of the light guide column, and the first bulge is clamped in any clamping groove. In a third aspect, an embodiment of the application provides a light guide structure, which comprises a base and a light guide column, wherein the base is provided with a through hole, the inner side wall of the through hole is provided with internal threads, the light guide column is provided with external threads, and the light guide column is in threaded connection with the through hole through the external threads and the internal threads. In a fourth aspect, an embodiment of the present application provides a light emitting device, including a circuit board, a mounting frame, a surface cover, and the light guide structure described above, where the mounting frame is provided with a mounting hole, the light guide structure is accommodated in the mounting hole, the circuit board is disposed at one end of the mounting frame, the surface cover is disposed at the other end of the mounting frame, the circuit board is provided with a lamp bead, the base is mounted on the circuit board, and the lamp bead is at least partially exposed to the through hole. In some embodiments, the light emitting device includes a diffusion sheet disposed between the face cover and the mount, the diffusion sheet covering the mounting hole. In some embodiments, the light emitting device includes a light guide ring, the mounting frame is provided wit