CN-224229792-U - Wall thickness member and car lamp

CN224229792UCN 224229792 UCN224229792 UCN 224229792UCN-224229792-U

Abstract

The utility model discloses a wall thickness member and a car lamp, and relates to the technical field of car lamps, wherein a concave position for installing a light source is formed on one side of the wall thickness member in the thickness direction, a light emitting surface is formed on one side of the wall thickness member, which is away from the concave position in the length direction, a first reflecting surface and a second reflecting surface are formed on the inner wall of the wall thickness member, the first reflecting surface is positioned on one side of the wall thickness member, which is away from the concave position in the thickness direction, and faces towards the light source, the second reflecting surface is arranged towards the light emitting surface, the first reflecting surface comprises a first inclined surface and a second inclined surface, the first inclined surface is used for reflecting part of light rays of the light source to the light emitting surface in the length direction of the wall thickness member, the second inclined surface is used for reflecting part of light rays of the light source to the light emitting surface in the length direction of the wall thickness member, and the light source is sunk into the wall thickness member, so that the occupation space of the wall thickness member in the thickness direction can be reduced, the miniaturization requirement is met, and meanwhile, the light emitting effect is good and the light emitting uniformity is ensured.

Inventors

YU GUOYAO
Zhou Geda
Xie Fanxie

Assignees

广东嘉利车灯有限公司

Dates

Publication Date: 20260512
Application Date: 20250620

Claims (9)

1. The wall thickness member is characterized in that a concave position for installing a light source is formed on one side of the wall thickness member in the thickness direction, a light-emitting surface is formed on one side of the wall thickness member, which faces away from the concave position in the length direction, a first reflecting surface and a second reflecting surface are formed on the inner wall of the wall thickness member, the first reflecting surface is located on one side of the wall thickness member, which faces away from the concave position in the thickness direction, and faces the light source, the second reflecting surface is located on one side of the wall thickness member, which is provided with the concave position, and faces the light-emitting surface, the first reflecting surface comprises a first inclined surface and a second inclined surface, the slopes of which are different from each other, the first inclined surface is used for reflecting part of light of the light source to the light-emitting surface in the length direction of the wall thickness member, and the second inclined surface is used for reflecting part of light of the light source to the second reflecting surface in the length direction of the wall thickness member.
2. A wall thickness member according to claim 1, wherein the outer wall of the wall thickness member has a first plane, a second plane and a third plane, the first plane, the second reflecting surface and the second plane being connected in sequence along the length of the wall thickness member, the light source being located in the first plane, the third plane and the second plane being disposed opposite each other along the thickness of the wall thickness member, and the distance between the third plane and the first plane being smaller than the distance between the third plane and the second plane.
3. A wall thickness member according to claim 2, wherein the outer wall of the wall thickness member further has a third chamfer connecting the third planar surface with the second chamfer, the third chamfer in combination with the second chamfer forming a V-shaped surface.
4. A wall thickness member according to claim 1, wherein said second reflective surface is an aluminized surface.
5. A wall thickness member as recited in claim 1, wherein at least one of said first reflective surface, said second reflective surface and said light exit surface has a pattern.
6. A wall thickness member according to claim 5, wherein said pattern is a kernel pattern, a vertical stripe, a horizontal stripe, a skin pattern or a dot pattern.
7. Car light, its characterized in that includes: A wall thickness member as claimed in any one of claims 1 to 6; The light source is positioned at the concave position; the condenser is covered on the light source and is used for reflecting the light rays of the light source to the first reflecting surface.
8. The vehicle lamp of claim 7, wherein the concentrator is a circular concentrator or a contoured concentrator.
9. The vehicle lamp of claim 8, wherein the concentrator is any one of an asymmetric concentrator, a tensile concentrator, and a nested concentrator.

Description

Wall thickness member and car lamp Technical Field The utility model relates to the technical field of car lamps, in particular to a wall thickness part and a car lamp. Background Along with the popularization of LED technology and the diversification of modeling, the thick-wall member scheme is taken as a common optical scheme, excellent optical performance, transparent static effect, diversity of multifunctional integration and better cost advantage, and simultaneously meets the requirements of light weight and diversification of modeling of the vehicle lamp in the current market, and the optical scheme of the thick-wall member is widely applied in the field of vehicle lamps. The current car lamp modeling tends to be miniaturized, the structure in the car lamp is required to be miniaturized, but the current thick-wall part optical system is difficult to meet the requirement, on one hand, the LED direct casting thick-wall part has the defects of modeling limitation, high required depth space requirement and the like, and on the other hand, the LED side casting thick-wall part scheme greatly increases the occupation space of the thick-wall part in the thickness direction due to the existence of a condenser, and is difficult to meet the requirement of modeling miniaturization. Disclosure of utility model The utility model aims to solve the technical problems existing in the prior art. Therefore, the utility model provides the wall thickness part and the car lamp, which can reduce the occupied space of the wall thickness part in the thickness direction, meet the miniaturization requirement, and simultaneously ensure that the light emitting effect is better and the light emitting is more uniform. According to the wall thickness member of the first aspect of the embodiment of the utility model, a concave position for installing a light source is formed on one side of the wall thickness member in the thickness direction, a light emitting surface is formed on one side of the wall thickness member facing away from the concave position in the length direction, a first reflecting surface and a second reflecting surface are formed on the inner wall of the wall thickness member, the first reflecting surface is positioned on one side of the wall thickness member facing away from the concave position and faces the light source, the second reflecting surface is positioned on one side of the wall thickness member where the concave position is arranged and faces the light emitting surface, the first reflecting surface comprises a first inclined surface and a second inclined surface with different slopes, the first inclined surface is used for reflecting part of light of the light source to the light emitting surface in the length direction of the wall thickness member, and the second inclined surface is used for reflecting part of light of the light source to the second reflecting surface, and the second reflecting surface is used for reflecting part of light of the light source to the light emitting surface in the length direction of the wall thickness member. The wall thickness member has the advantages that the concave position for arranging the light source is arranged in the thickness direction of the wall thickness member, the light source is sunk into the wall thickness member, the occupied space in the thickness direction can be reduced, meanwhile, the first reflecting surface and the second reflecting surface are matched, the light emitted by the light source can be normally reflected to the light emitting surface, the inner wall of the wall thickness member is skillfully utilized to realize multiple reflection of the light, the part of the condenser occupying the wall thickness member is greatly lightened, meanwhile, the light reflection is total reflection, the energy efficiency is not lost, the light emitting effect is better, and the light emitting uniformity is ensured. In some embodiments, the outer wall of the wall thickness member has a first plane, a second plane, and a third plane, the first plane, the second reflecting surface, and the first plane are sequentially connected along the length direction of the wall thickness member, the light source is located on the first plane, the third plane and the second plane are disposed opposite to each other along the thickness direction of the wall thickness member, and a distance between the third plane and the first plane is smaller than a distance between the third plane and the second plane. In some embodiments, the outer wall of the wall thickness member further has a third chamfer connecting the third plane with the second chamfer, the third chamfer combining with the second chamfer to form a V-shaped surface. In some embodiments, the second reflective surface is an aluminized surface. In some embodiments, at least one of the first reflective surface, the second reflective surface, and the light exit surface has a pattern. In some embodiments, the pattern