CN219606850U - Vehicle lamp lens and vehicle lamp - Google Patents

Abstract

The utility model provides a vehicle lamp lens, which belongs to the technical field of vehicle parts and components, and comprises: the lens body is obliquely arranged relative to the incidence part and the emergent part, and forms a deflection light guide part at the side part of the lens body, and the light rays emitted from the incidence part can be emitted to the emergent part and emitted from the emergent part through the reflection of the deflection light guide part. Secondly, a vehicle lamp is also provided, comprising the vehicle lamp lens. The beneficial effects of the utility model are as follows: the light rays entering from the incidence part can be reflected by the deflection light guide part to the emergent part and emitted from the emergent part, so that the light rays can be fully refracted in the deflection light guide part, the directions of the light rays are different as much as possible, and finally the uniformity of the whole light emitted from the emergent part is obviously improved.

Description

Vehicle lamp lens and vehicle lamp

Technical Field

The utility model belongs to the technical field of vehicle parts and relates to a vehicle lamp lens and a vehicle lamp.

Background

Reading lamps have now become an integral part of automotive interior lighting systems. When the light in the vehicle is dim, the automobile reading lamp can provide enough illumination requirements for reading for passengers, and meanwhile, the safe driving of a driver is not affected. The optical design of reading lamps is based on non-imaging optics, requiring the use of a secondary optical system to redistribute the energy of the light source.

The utility model relates to a light-guide reading lamp, which comprises a connector assembly, a bottom shell, an LED and PCB, a shell, a light guide body, a touch spring, a reflector, a bracket shell, a lens and the like, wherein the utility model patent with the application number of CN202221766775.6 provides a lens structure of an automobile reading lamp, and the lens structure comprises a reading lamp shell, a circuit board arranged on the reading lamp shell, an LED light source arranged on the circuit board and a transparent lampshade arranged on the reading lamp shell; a lower lens is arranged above the LED light source on the reading lamp shell, an upper lens is arranged above the lower lens at intervals, and a reflecting cup is sleeved on the upper lens; the light-emitting surface of the lower lens is of a planar structure, VDI textures are arranged on the light-emitting surface, and the lower plane, opposite to the light-emitting surface, of the upper lens is of a planar structure.

The light guide body and the lens are respectively arranged, and the lens has no corresponding light guide refraction structure, so that the loss of light in the transmission process is larger, the overall uniformity is poorer, and a larger improvement space is provided.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a vehicle lamp lens and a vehicle lamp.

The aim of the utility model can be achieved by the following technical scheme: a vehicle light lens comprising:

the lens body is obliquely arranged relative to the incidence part and the emergent part, and forms a deflection light guide part at the side part of the lens body, and the light rays emitted from the incidence part can be emitted to the emergent part and emitted from the emergent part through the reflection of the deflection light guide part.

In the above-mentioned vehicle lamp lens, the light guiding portion includes a first side surface and a second side surface, the second side surface is located at a back surface of the first side surface, the first side surface and the second side surface are smooth curved surfaces, and a curvature of the first side surface is different from a curvature of the second side surface.

In the above-mentioned vehicle lamp lens, the lens body is inclined toward the second side surface, and the curvature of the first side surface is larger than the curvature of the second side surface.

In the above-mentioned vehicle lamp lens, the light guiding portion further includes a third side surface, the first side surface and the second side surface are both adjacent to the third side surface, the third side surface is a smooth curved surface, and the curvature of the first side surface and the curvature of the second side surface are both different from the curvature of the third side surface.

In the above-described vehicle lamp lens, the lens body may have a light-condensing groove, and the incident portion may be formed in the light-condensing groove and may be located at a bottom of the light-condensing groove.

In the vehicle lamp lens, the cross section of the light collecting groove is circular, and the cross section diameter of the light collecting groove from outside to inside is reduced from large to small.

In the above-described vehicle lamp lens, the incident portion may be convex toward the light-condensing groove and the incident portion may be a smooth curved surface.

In the above-described vehicle lamp lens, the exit portion is provided with a fish-scale-shaped optical pattern.

Secondly, a vehicle lamp comprises the vehicle lamp lens.

In the vehicle lamp, the lens body is further provided with a positioning boss for positioning.

Compared with the prior art, the utility model has the beneficial effects that:

1. the light rays entering from the incidence part can be reflected by the deflection light guide part to the emergent part and emitted from the emergent part, so that the light rays can be fully refracted in the deflection light guide part, the directions of the light rays are different as much as possible, and finally the uniformity of the whole light emitted from the emergent part is obviously improved.

2. The curvature of the first side surface is different from that of the second side surface, so that most of light rays emitted from the incidence part to the first side surface can be reflected to the emission part below the second side surface for emission, and most of light rays emitted from the incidence part to the second side surface can be reflected to the emission part below the first side surface for emission, and the refraction directions of the light rays after the whole light beams are diffused are different as much as possible, so that the light diffusion area emitted to the body is increased.

3. The curvature of the first side surface and the curvature of the second side surface are different from those of the third side surface, so that light rays are fully refracted in the deflection light guide part, the uniformity of the light emitted by the final emergent part is obviously improved, the difficulty in adjusting and designing the emergent part of the lens body is reduced, and the design efficiency is improved.

4. The incidence part protrudes towards the outside of the light condensing groove to form a spherical structure, so that scattered light entering the light condensing groove can be converged, and the partial diffusion loss of the light at the incidence part is reduced.

Drawings

Fig. 1 is a schematic view of a vehicle lamp lens according to the present utility model.

Fig. 2 is a schematic view of another view angle of the lens of the vehicle lamp according to the present utility model.

Fig. 3 is a front view of a vehicle light lens of the present utility model.

Fig. 4 is a side view of a vehicle light lens of the present utility model.

Fig. 5 is a top view of the vehicle light lens of the present utility model.

Fig. 6 is a schematic cross-sectional view of view A-A of fig. 5.

Fig. 7 is a schematic view illustrating the light effect at the viewing angle of fig. 6.

In the figure, 100, a lens body; 110. a light-gathering groove; 111. an incidence part; 120. an emission unit; 121. an optical pattern; 130. a deflection light guide section; 131. a first side; 132. a second side; 133. a third side; 140. and positioning the boss.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

As shown in fig. 1-7, a vehicle light lens, comprising: the lens body 100 has an incident portion 111 and an emitting portion 120 at both ends thereof, and the lens body 100 is disposed obliquely with respect to the incident portion 111 and the emitting portion 120 and forms a deflection light guide portion 130 on its side portion, and the light incident from the incident portion 111 can be emitted to the emitting portion 120 and from the emitting portion 120 by reflection of the deflection light guide portion 130.

In the present embodiment, since the light incident from the incident portion 111 is reflected by the deflecting light guide portion 130 toward the exit portion 120 and is emitted from the exit portion 120, the light can be sufficiently refracted in the deflecting light guide portion 130 and the directions of the light can be made as different as possible, and the uniformity of the light emitted from the exit portion 120 as a whole can be significantly improved.

As shown in fig. 1, 3, 4, 6, and 7, in the above embodiment, the light guide 130 includes a first side 131 and a second side 132, the second side 132 is located on the back of the first side 131, the first side 131 and the second side 132 are both smooth curved surfaces, and the curvature of the first side 131 is different from the curvature of the second side 132.

In particular, the first side surface 131 and the second side surface 132 are designed to be arc curved surfaces, so that the diffusion loss of light in the transmission process is reduced, and the utilization rate of light energy is improved.

In the present embodiment, the curvature of the first side surface 131 is different from the curvature of the second side surface 132, so that most of the light emitted from the incident portion 111 to the first side surface 131 can be reflected to the emission portion 120 below the second side surface 132, and most of the light emitted from the incident portion 111 to the second side surface 132 can be reflected to the emission portion 120 below the first side surface 131, and the light refraction direction after the whole light beam is diffused is as different as possible, so that the light diffusion area to the body is increased.

Preferably, the light guiding portion 130 is inclined toward the second side 132 with respect to the positioning boss 140, and the curvature of the first side 131 is greater than the curvature of the second side 132.

As shown in fig. 1, 3, 4, and 5, in the above embodiment, the light guide 130 further includes a third side surface 133, the first side surface 131 and the second side surface 132 are adjacent to the third side surface 133, the third side surface 133 is a smooth curved surface, and the curvature of the first side surface 131 and the curvature of the second side surface 132 are different from the curvature of the third side surface 133.

In particular, the third side 133 adopts a design of an arc curved surface, so that the diffusion loss of light in the transmission process is reduced, and the utilization rate of light energy is improved.

In this embodiment, the curvature of the first side surface 131 and the curvature of the second side surface 132 are different from the curvature of the third side surface 133, so that the light is fully refracted in the deflected light guiding portion 130, and the uniformity of the light emitted from the final emitting portion 120 is obviously improved, the difficulty in adjusting and designing the emitting portion 120 of the lens body 100 is reduced, and the design efficiency is improved.

As shown in fig. 1, 5, 6, and 7, in the above embodiment, the lens body 100 has a light collecting groove 110, and the incident portion 111 is formed in the light collecting groove 110 and is located at the bottom of the light collecting groove 110.

In the present embodiment, the light condensing groove 110 is used to guide the light beam of the light source to enter.

Preferably, the cross section of the light collecting groove 110 is circular, and the diameter of the cross section of the light collecting groove 110 from outside to inside is reduced.

As shown in fig. 1, 5, 6, and 7, in the above embodiment, the incident portion 111 is convex toward the light collecting groove 110 and the incident portion 111 is a smooth curved surface.

In the present embodiment, the incident portion 111 protrudes to the outside of the light collecting groove 110 to form a spherical structure, so that scattered light entering the light collecting groove 110 can be collected, and a partial diffusion loss of light at the incident portion 111 can be reduced.

As shown in fig. 2, 3, 4, 6, and 7, the light emitting portion 120 is provided with a fish scale-shaped optical pattern 121 in accordance with the above embodiment.

Secondly, a vehicle lamp comprises the vehicle lamp lens.

As shown in fig. 1 to 7, the lens body 100 is further provided with a positioning boss 140 for positioning, based on the above embodiment.

In this embodiment, the positioning boss 140 is used for mounting positioning and mounting on a vehicle lamp.

Preferably, the lens body 100 and the positioning boss 140 of the lens of the vehicle lamp are integrally formed, so that the overall arrangement space of the lamp is saved, the die opening cost is reduced, the manufacturing process difficulty is reduced, and the loss of light in the transmission process is greatly reduced.

Claims (10)

1. A vehicle light lens, comprising:

the lens body is obliquely arranged relative to the incidence part and the emergent part, and forms a deflection light guide part at the side part of the lens body, and the light rays emitted from the incidence part can be emitted to the emergent part and emitted from the emergent part through the reflection of the deflection light guide part.

2. A vehicle light lens as defined in claim 1, wherein: the deflection light guide part comprises a first side surface and a second side surface, wherein the second side surface is positioned on the back surface of the first side surface, the first side surface and the second side surface are smooth curved surfaces, and the curvature of the first side surface is different from the curvature of the second side surface.

3. A vehicle light lens as defined in claim 2, wherein: the lens body is inclined towards the direction of the second side surface, and the curvature of the first side surface is larger than that of the second side surface.

4. A vehicle light lens as defined in claim 2, wherein: the deflection light guide part further comprises a third side face, the first side face and the second side face are adjacent to the third side face, the third side face is a smooth curved face, and the curvature of the first side face and the curvature of the second side face are different from the curvature of the third side face.

5. A vehicle light lens as defined in claim 1, wherein: the lens body is provided with a light condensing groove, and the incidence part is formed in the light condensing groove and is positioned at the bottom of the light condensing groove.

6. A vehicle light fixture lens as defined in claim 5, wherein: the cross section of the light gathering groove is circular, and the diameter of the cross section of the light gathering groove from outside to inside is changed from large to small.

7. A vehicle light fixture lens as defined in claim 5, wherein: the incident portion protrudes toward the light condensing groove and is a smooth curved surface.

8. A vehicle light lens as defined in claim 1, wherein: the exit portion is provided with a fish scale-like optical pattern.

9. A vehicle light fixture comprising a vehicle light fixture lens as claimed in any one of claims 1-8.

10. A vehicle light as defined in claim 9, wherein: the lens body is also provided with a positioning boss for positioning.