Lateral reflection headlight

By using a reflective structure that combines a three-dimensional curved surface with an inclined plane, the problem of headlights being unable to form non-circular light spots is solved, enabling convenient assembly and a compact design.

CN223460292UActive Publication Date: 2025-10-21FOSHAN CITY SHUNDE DISTRICT CHENGDI ELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202423136334.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-10-21
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing headlights are difficult to form non-circular light spots, and are inconvenient to assemble and take up a lot of space.

Method used

The upper reflective surface of a three-dimensional arc shape is combined with the lower reflective surface of an inclined plane to form a strip, elliptical or trapezoidal light spot, and convenient assembly is achieved through structures such as guide strips, guide rails, and ultrasonic welding.

Benefits of technology

It achieves the formation of non-circular light spots, meets the requirements of specific applications, and is easy to assemble with a compact structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

A reflection cup of the lateral reflection headlight comprises an upper reflection face and a lower reflection face, the upper reflection face is in a three-dimensional arc face shape, the lower reflection face is a plane, the lower reflection face is arranged in a downward inclined mode, and a light inlet is formed in the lower reflection face. And the light-emitting assembly is obliquely arranged below the lower light reflecting surface and comprises a lamp bead, and the lamp bead corresponds to the light inlet. The upper reflective surface in the three-dimensional cambered surface shape is matched with the lower reflective surface in the inclined plane to form non-circular light spots such as strip-shaped light spots or oval light spots, and the requirements of specific application places or standards are met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of car light, especially to a side reflection headlamp. BACKGROUND

[0002] The car light is used for vehicle lighting, and the light spot formed by the car light is generally circular, but for some specific places or regions, a strip-shaped, elliptical or trapezoidal non-circular light spot is required, and the existing reflector cup is generally of a conical structure, which is difficult to form a non-circular light spot meeting the requirements.

[0003] In addition, the various components of the existing car light are usually assembled and fixed by using fasteners such as screws, which is inconvenient to assemble and occupies space. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a side reflection headlamp, and the upper reflecting surface of the three-dimensional curved surface shape cooperates with the lower reflecting surface of the inclined plane to form a strip-shaped, elliptical or trapezoidal non-circular light spot, thereby meeting the requirements of specific application places or standards.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A side reflection headlamp comprises:

[0007] A reflector cup comprises an upper reflecting surface and a lower reflecting surface, the upper reflecting surface is of a three-dimensional curved surface shape, the lower reflecting surface is a plane, and the lower reflecting surface is downwardly inclined, the inclination angle of the lower reflecting surface is between 6 degrees and 12 degrees, and the lower reflecting surface is provided with a light inlet; and

[0008] A light-emitting assembly is inclined and arranged below the lower reflecting surface, and the light-emitting assembly comprises a lamp bead corresponding to the light inlet.

[0009] In some embodiments, the surface of the upper reflecting surface has a plurality of belt-shaped curved surfaces.

[0010] In some embodiments, the lower reflecting surface is further provided with a convex column;

[0011] The light-emitting assembly further comprises a circuit board, the lamp bead is attached to the circuit board, and the circuit board is provided with a through hole matched with the convex column.

[0012] In some embodiments, the outer side of the reflector cup is provided with a guide strip;

[0013] The headlamp further comprises a rear shell, and the inside of the rear shell is provided with a guide rail matched with the guide strip.

[0014] In some embodiments, the light outlet of the reflector cup is provided with a flange;

[0015] The port of the rear shell is provided with a ring groove;

[0016] The front cover is arranged at the port of the rear shell;

[0017] The front cover comprises a panel and a side edge;

[0018] One side of the turn-up edge is abutted against the groove bottom of the ring groove, and the other side of the turn-up edge is abutted against the end surface of the side edge.

[0019] In some embodiments, the front cover further comprises a flange arranged at the end surface of the side edge, and the flange is inserted into the ring groove.

[0020] In some embodiments, the flange and the ring groove are welded by ultrasonic waves.

[0021] In some embodiments, the outer side of the rear shell is provided with an ear, and the ear is provided with a mounting hole.

[0022] The beneficial effects of the front lamp are as follows: the upper reflective surface in three-dimensional arc shape and the lower reflective surface in inclined plane can cooperate to form a non-circular light spot in the shape of a strip, an ellipse or a trapezoid, thereby meeting the requirements of specific application places or standards, and the front lamp is convenient to assemble. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a sectional view of the front lamp of the utility model;

[0024] Figure 2 is a sectional view of the reflective cup of the utility model;

[0025] Figure 3 is a structural view of the reflective cup and the light-emitting assembly of the utility model;

[0026] Figure 4 is one of exploded views of the front lamp of the utility model;

[0027] Figure 5 is the second exploded view of the front lamp of the utility model;

[0028] Figure 6 is Figure 1 is a local enlarged view of A of the utility model;

[0029] Figure 7 is a light spot effect view of the front lamp of the utility model;

[0030] 1 - front cover; 11 - panel; 12 - side edge; 13 - flange; 2 - reflective cup; 21 - upper reflective surface; 22 - lower reflective surface; 23 - side reflective surface; 24 - light inlet; 25 - convex column; 26 - turn-up edge; 27 - guide strip; 3 - light-emitting assembly; 31 - lamp bead; 32 - circuit board; 321 - through hole; 4 - rear shell; 41 - ring groove; 42 - guide rail; 43 - ear; 44 - mounting hole. DETAILED DESCRIPTION

[0031] The utility model will be further explained in detail below in combination with the drawings.

[0032] Reference Figures 1 to 3 A front light of lateral reflection, comprising:

[0033] The light cup 2 comprises an upper light-reflecting surface 21 and a lower light-reflecting surface 22, the upper light-reflecting surface 21 is a three-dimensional curved surface shape, and the three-dimensional curved surface shape can be understood as a free curved surface;

[0034] The lower light-reflecting surface 22 is a plane, and the lower light-reflecting surface 22 is arranged in a downward inclination, and the downward inclination can be understood as rotating a certain angle downward relative to the horizontal direction;

[0035] The inclination angle θ of the lower light-reflecting surface 22 is between 6 degrees and 12 degrees, and the lower light-reflecting surface 22 is provided with a light inlet 24;

[0036] And a light-emitting assembly 3 is arranged below the lower light-reflecting surface 22 in an inclination, the inclination direction of the light-emitting assembly 3 is the same as that of the lower light-reflecting surface 22, and the inclination angle can be equal to or close to the inclination angle of the lower light-reflecting surface 22; the light-emitting assembly 3 comprises a lamp bead 31, and the lamp bead 31 corresponds to the light inlet 24; in this way, the lamp bead 31 is arranged on one side of the light cup 2, the light is obliquely upward to the upper light-reflecting surface 21, and after the light is reflected by the light condensation of the upper light-reflecting surface 21, the light is shot to the outside;

[0037] Reference Figure 7 The upper light-reflecting surface 21 of the three-dimensional curved surface shape cooperates with the inclined plane of the lower light-reflecting surface 22 to form a strip-shaped, elliptical or trapezoidal non-circular light spot, so that a relatively obvious bright-dark boundary is formed at the top of the light spot, that is, the boundary between the illumination area and the non-illumination area is relatively obvious, thereby meeting the requirements of specific application places or standards.

[0038] The light cup 2 further comprises a side light-reflecting surface 23, the side light-reflecting surface 23 is a curved surface shape, and the two sides of the upper light-reflecting surface 21 are each provided with the side light-reflecting surface 23; the upper light-reflecting surface 21 and the lower light-reflecting surface 22 are connected together through the side surface, so that the light outlet of the light cup 2 is in a strip shape or an elliptical shape or a similar shape.

[0039] Reference Figure 4 The surface of the upper light-reflecting surface 21 has a plurality of belt-shaped curved surfaces, that is, the surface of the upper light-reflecting surface 21 is composed of a plurality of arranged belt-shaped curved surfaces, which is beneficial to reducing glare and uniformly reflecting light.

[0040] Reference Figure 4 With Figure 5 The lower light-reflecting surface 22 is further provided with a convex column 25; the convex column 25 is perpendicular to the lower light-reflecting surface 22 and is arranged in a downward extension;

[0041] The light-emitting assembly 3 further comprises a circuit board 32, the lamp bead 31 is attached to the circuit board 32, and the circuit board 32 is provided with a through hole 321 matched with the protruding column 25; the protruding column 25 is inserted into the through hole 321, so that the circuit board 32 is conveniently assembled with the reflector cup 2.

[0042] The reflector cup 2 is provided with a guide strip 27 extending towards the rear shell 4;

[0043] The rear shell 4 is provided with an internal space capable of accommodating the reflector cup 2 and the light-emitting assembly 3; the internal space of the rear shell 4 is provided with a guide rail 42 matched with the guide strip 27; thus, the guide strip 27 is matched with the guide rail 42, the position of the reflector cup 2 is limited, and the assembly precision of the reflector cup 2 is improved.

[0044] Reference Figure 4 With Figure 5 The reflector cup 2 is provided with a flange 26 extending outward at the light outlet;

[0045] The rear shell 4 is provided with a ring groove 41 at the port;

[0046] Further comprising a front cover 1 provided at the port of the rear shell 4; the front cover 1 is made of a light-transmitting material such as PMMA, PC or glass;

[0047] The front cover 1 comprises a panel 11 and a side edge 12 surrounding the panel 11;

[0048] Reference Figure 6 One side of the flange 26 abuts against the groove bottom of the ring groove 41, and the other side of the flange 26 abuts against the end face of the side edge 12; thus, the ring groove 41 of the rear shell 4 and the side edge 12 of the front cover 1 clamp the flange 26 of the reflector cup 2, and the reflector cup 2 is fixed.

[0049] The front cover 1 further comprises a flange 13 provided at the end face of the side edge 12, and the flange 13 is inserted into the ring groove 41; the flange 13 and the ring groove 41 are welded by ultrasonic waves; thus, the flange 13 improves the assembly precision of the front cover 1 and forms an ultrasonic welding structure.

[0050] During assembly, the light-emitting assembly 3 is assembled below the lower reflecting surface 22 of the reflector cup 2 through the structure of the protruding column 25 and the through hole 321, then the reflector cup 2 is placed into the internal space of the rear shell 4, and the flange 26 of the reflector cup 2 abuts against the groove bottom of the ring groove 41, then the flange 13 of the front cover 1 is inserted into the ring groove 41, the end face of the side edge 12 abuts against the flange 26 of the reflector cup 2, the flange 13 and the ring groove 41 are ultrasonically welded, and the assembly of the headlamp is completed. Therefore, the assembly of the front cover 1, the reflector cup 2, the light-emitting assembly 3 and the rear shell 4 is convenient, the structure is compact, and miniaturization is facilitated.

[0051] Reference Figure 4 WithFigure 5 The outer side of the rear shell 4 is provided with a lug 43, and the lug 43 is provided with a mounting hole 44; the headlamp is assembled on the frame or other structure of the vehicle through the lug 43.

[0052] The headlamp can be applied to electric bicycles, electric vehicles, electric scooters and other vehicles.

[0053] The above disclosed are only some embodiments of the utility model. For ordinary skilled persons in the art, without departing from the creative concept of the utility model, a number of modifications and improvements can be made, and these all belong to the protection scope of the utility model.

Claims

1. A side-reflecting headlamp characterized in that, The application relates to a light cup (2) and a light-emitting assembly (3). The light cup (2) comprises an upper light-reflecting surface (21) and a lower light-reflecting surface (22), the upper light-reflecting surface (21) is a three-dimensional curved surface, the lower light-reflecting surface (22) is a plane, and the lower light-reflecting surface (22) is arranged in a downward inclination, the inclination angle (theta) of the lower light-reflecting surface (22) is between 6 degrees and 12 degrees, and the lower light-reflecting surface (22) is provided with a light inlet (24). The light-emitting assembly (3) is arranged below the lower light-reflecting surface (22) in an inclination, and the light-emitting assembly (3) comprises a lamp bead (31) corresponding to the light inlet (24). The surface of the upper light-reflecting surface (21) has a plurality of belt-shaped curved surfaces.

2. A side-reflecting headlamp according to claim 1, characterized in that The lower light-reflecting surface (22) is further provided with a convex column (25). The light-emitting assembly (3) further comprises a circuit board (32), the lamp bead (31) is attached to the circuit board (32), and the circuit board (32) is provided with a through hole (321) matched with the convex column (25). The light cup (2) is provided with a turn-up (26) at a light outlet.

3. A side-reflecting headlamp according to claim 1 or 2, characterized in that The application further relates to a rear shell (4), and the rear shell (4) is provided with a ring groove (41) at a port. The application further relates to a front cover (1), and the front cover (1) is arranged at the port of the rear shell (4). The front cover (1) comprises a panel (11) and a side edge (12). One side of the turn-up (26) is in abutment with the groove bottom of the ring groove (41), and the other side of the turn-up (26) is in abutment with the end surface of the side edge (12). The front cover (1) further comprises a flange (13), the flange (13) is arranged at the end surface of the side edge (12), and the flange (13) is inserted into the ring groove (41).

4. A side-reflecting headlamp according to claim 3, characterized in that The flange (13) and the ring groove (41) are welded through ultrasonic waves.

5. A side-reflecting headlamp according to claim 4, characterized in that The rear shell (4) is provided with an ear (43) at the outside, and the ear (43) is provided with a mounting hole (44).

6. A side-reflecting headlamp according to claim 5, characterized in that ​