CN-121993754-A - Fine tuning device of car light passing beam lens group

CN121993754ACN 121993754 ACN121993754 ACN 121993754ACN-121993754-A

Abstract

The invention discloses a fine adjustment device of a car lamp dipped headlight lens group, which comprises an adjustment bracket, wherein a first dipped headlight lens and a second dipped headlight lens are inserted on the adjustment bracket, the first dipped headlight lens comprises a first lens bracket, two sides of the first lens bracket are provided with first protruding shafts in the horizontal direction, the first dipped headlight lens can rotate by taking the straight line where the two first protruding shafts are positioned as a rotating shaft, the top surface of the first lens bracket is provided with a first adjustment protruding shaft in the vertical direction, the second dipped headlight lens comprises a second lens bracket, two sides of the second lens bracket are provided with second protruding shafts in the horizontal direction, the second dipped headlight lens can rotate by taking the straight line where the two second protruding shafts are positioned as rotating shafts, and the top surface of the second lens bracket is provided with a second adjustment protruding shaft in the vertical direction. The device can rotate and finely adjust the two low beam lenses so as to enable the cut-off lines of the two low beam lenses to coincide, avoid the phenomenon of transverse fault, reduce the interference of sight lines of opposite vehicles and pedestrians and reduce the occurrence of accidents.

Inventors

LIN FEI
LIN QIAN
WANG HONGLIN
SONG KEXIN
ZHA YONG

Assignees

河北星光鸿鹄汽车灯具有限公司

Dates

Publication Date: 20260508
Application Date: 20260327

Claims (10)

1. A fine adjustment device of a car light passing lens group is characterized by comprising an adjustment support, wherein a first passing lens and a second passing lens are inserted on the adjustment support, the first passing lens comprises a first lens support, first protruding shafts in the horizontal direction are arranged on two sides of the first lens support, the first passing lens can rotate by taking straight lines where the two first protruding shafts are located as rotating shafts, a first adjustment protruding shaft in the vertical direction is arranged on the top surface of the first lens support, the first adjustment protruding shaft is movably connected with the adjustment support, the second passing lens comprises a second lens support, second protruding shafts in the horizontal direction are arranged on two sides of the second lens support, the second passing lens can rotate by taking straight lines where the two second protruding shafts are located as rotating shafts, and a second adjustment protruding shaft in the vertical direction is arranged on the top surface of the second lens support and is movably connected with the adjustment support.
2. The fine tuning device for a low beam lens assembly of a vehicle lamp according to claim 1, wherein the adjusting bracket is provided with a first through hole and a second through hole, the first lens bracket penetrates through and is inserted into the first through hole, the second lens bracket penetrates through and is inserted into the second through hole, a gap is formed between the side wall of the first lens bracket and the side wall of the first through hole, and a gap is formed between the side wall of the second lens bracket and the side wall of the second through hole.
3. The fine tuning device for a low beam lens assembly of a vehicle lamp according to claim 2, wherein the adjusting bracket is provided with a first accommodating groove matched with the first protruding shaft, the first protruding shaft is fixedly pressed in the first accommodating groove through a first pressing piece, the adjusting bracket is further provided with a second accommodating groove matched with the second protruding shaft, and the second protruding shaft is fixedly pressed in the second accommodating groove through a second pressing piece.
4. The fine tuning device for a low beam lens assembly of a vehicle lamp according to claim 3, wherein the first pressing piece and the second pressing piece are respectively in a plate shape with arc-shaped protrusions in the middle, the first pressing piece comprises a first upper edge part, a first protruding part and a first lower edge part which are integrally formed, the first protruding part is matched with the first protruding shaft and is propped against the outer side wall of the first protruding shaft, the first upper edge part and the first lower edge part are respectively provided with a first mounting hole, two sides of the first accommodating groove are respectively provided with a first connecting hole, and a first screw can pass through the first mounting holes and the first connecting holes on the same side to enable the first protruding shaft to be fixedly pressed in the first accommodating groove.
5. The fine tuning device for a low beam lens assembly of a vehicle lamp according to claim 4, wherein the second pressing piece comprises a second upper edge part, a second protruding part and a second lower edge part which are integrally formed, the second protruding part is matched with the second protruding shaft and is propped against the outer side wall of the second protruding shaft, the second upper edge part and the second lower edge part are respectively provided with a second mounting hole, two sides of the second accommodating groove are respectively provided with a second connecting hole, and a second screw can pass through the second mounting holes and the second connecting holes on the same side so as to enable the second protruding shaft to be fixedly pressed in the second accommodating groove.
6. The fine tuning device for a low beam lens assembly of a vehicle lamp according to claim 5, wherein the adjusting bracket is provided with a first elongated hole, the first adjusting protruding shaft is provided with a first adjusting hole along the axial direction, a first adjusting screw can pass through the first elongated hole and the first adjusting hole to enable the first adjusting protruding shaft to be fixedly connected to the adjusting bracket, the adjusting bracket is provided with a second elongated hole, the second adjusting protruding shaft is provided with a second adjusting hole along the axial direction, and the second adjusting screw can pass through the second elongated hole and the second adjusting hole to enable the second adjusting protruding shaft to be fixedly connected to the adjusting bracket.
7. The fine tuning device for a low beam lens assembly of a vehicle lamp according to claim 6, wherein the outer side walls of the first protruding shaft, the second protruding shaft, the first adjusting protruding shaft and the second adjusting protruding shaft are provided with reinforcing ribs.
8. The fine tuning device for a low beam lens assembly of a vehicle lamp according to claim 1, wherein one end of the first lens support is connected with the first lens radiator, a first lens condenser is arranged in the first lens support, the first lens condenser is connected with the first lens radiator, a first lens glass is arranged at the other end of the first lens support, one end of the second lens support is connected with the second lens radiator, a second lens condenser is arranged in the second lens support, the second lens condenser is connected with the second lens radiator, and a second lens glass is arranged at the other end of the second lens support.
9. The fine tuning device of the low beam lens assembly of the vehicle lamp of claim 8, wherein the adjusting bracket is further provided with a ball and socket assembly, and the ball and socket assembly is hinged on the adjusting bracket.
10. The fine tuning device of the low beam lens assembly of the vehicle lamp of claim 9, wherein the adjusting bracket is further provided with a light adjusting component.

Description

Fine tuning device of car light passing beam lens group Technical Field The invention relates to the technical field of car lamp adjustment, in particular to a fine adjustment device of a car lamp low beam lens group. Background Compared with the traditional single-low beam lens illumination, the double-low beam lens set is obviously improved in the aspects of widening the low beam illumination range, improving the uniformity and definition of light patterns, reducing glare, enhancing the driving safety and reliability and the like, so the double-low beam lens set becomes more and more a mainstream scheme of the medium-high end car lamp. However, when the two low beam lenses in the dual low beam lens assembly are assembled respectively, due to the machining tolerance and the assembly clearance of the lens support, the ball socket structure and the dimming component, the angles of the optical axes of the two low beam lenses are inconsistent, so that the position of the projected cut-off line is misplaced and the height is deviated, and the phenomenon of poor cut-off line superposition or transverse fault occurs, which may interfere the sight of the opposite vehicle and the pedestrian, and may cause accidents. Disclosure of Invention The invention aims to provide a fine adjustment device of a car lamp dipped headlight lens group, which can carry out rotation fine adjustment on two dipped headlight lenses in the dipped headlight lens group, is convenient for adjusting the angles of optical axes of the two dipped headlight lenses so as to enable cut-off lines of the two dipped headlight lenses to coincide, avoids the phenomenon of transverse fault, reduces the interference to the vision of a car and pedestrians, and reduces the occurrence of accidents. In order to achieve the above object, the present invention provides the following solutions: The invention provides a fine adjustment device of a car lamp dipped headlight lens group, which comprises an adjustment bracket, wherein a first dipped headlight lens and a second dipped headlight lens are inserted on the adjustment bracket, the first dipped headlight lens comprises a first lens bracket, two sides of the first lens bracket are provided with first protruding shafts in the horizontal direction, the first dipped headlight lens can rotate by taking straight lines where the two first protruding shafts are located as rotating shafts, the top surface of the first lens bracket is provided with a first adjustment protruding shaft in the vertical direction, the first adjustment protruding shaft is movably connected with the adjustment bracket, the second dipped headlight lens comprises a second lens bracket, two sides of the second lens bracket are provided with second protruding shafts in the horizontal direction, the second dipped headlight lens can rotate by taking straight lines where the two second protruding shafts are located as rotating shafts, and the top surface of the second lens bracket is provided with a second adjustment protruding shaft in the vertical direction, and the second adjustment protruding shaft is movably connected with the adjustment bracket. Preferably, the adjusting bracket is provided with a first through hole and a second through hole, the first lens bracket penetrates through and is inserted into the first through hole, the second lens bracket penetrates through and is inserted into the second through hole, a gap is formed between the side wall of the first lens bracket and the side wall of the first through hole, and a gap is formed between the side wall of the second lens bracket and the side wall of the second through hole. Preferably, the adjusting bracket is provided with a first accommodating groove matched with the first protruding shaft, the first protruding shaft is fixedly pressed in the first accommodating groove through a first pressing piece, the adjusting bracket is also provided with a second accommodating groove matched with the second protruding shaft, and the second protruding shaft is fixedly pressed in the second accommodating groove through a second pressing piece. Preferably, the first pressing piece and the second pressing piece are respectively in a plate shape with arc-shaped bulges in the middle, the first pressing piece comprises a first upper edge part, a first bulge part and a first lower edge part which are integrally formed, the first bulge part is matched with the first bulge shaft and is propped against the outer side wall of the first bulge shaft, the first upper edge part and the first lower edge part are respectively provided with a first mounting hole, two sides of the first accommodating groove are respectively provided with a first connecting hole, and a first screw can pass through the first mounting holes and the first connecting holes on the same side so that the first bulge shaft is fixedly pressed in the first accommodating groove. Preferably, the second pressing piece comprises a second