CN2856716Y

CN2856716Y - Vehicle light guider

Info

Publication number: CN2856716Y
Application number: CNU2005201281649U
Authority: CN
Inventors: 吴享珍
Original assignee: DIWEIXI TRAFFIC INDUSTRY Co Ltd
Current assignee: DIWEIXI TRAFFIC INDUSTRY Co Ltd
Priority date: 2005-10-28
Filing date: 2005-10-28
Publication date: 2007-01-10
Anticipated expiration: 2015-10-28

Abstract

The utility model provides a vehicle light-guiding structure mounted on vehicle lamp, mainly including a tube which is transparent and provided with continuous zigzig structure formed by several slope surface on one side of tube, and a reflecting layer is provided on the other side of tube mounted on vehicle lamp with zigzig structure forwardly; an illuminant mounted with the tube for a light source of light-guiding device; part of the light can be transmitted along the tube forwardly with zigzig structure, while part of the light is guided to reflecting layer by total reflection, and reflected again the direct light projected by illuminant through the reflecting layer of tube and the light of total reflection with zigzig structure of tube, thereby the whole light distribution of light-guiding device is more uniform.

Description

Automobile-used light guide structure

Technical field

The utility model relates to a kind of automobile-used light guide structure, relates in particular to a kind of light guide structure that is used for Vehicular lamp.

Background technology

As everyone knows, light is in different materials, the pace of having nothing in common with each other, when in light is being advanced, being mapped to two or more different medium, at two kinds of different transparent medium intersections, because when light entered different medium, the speed that makes light advance changed and can produce tortuous phenomenon, this kind phenomenon is the refraction of light; But, certain angle (being referred to as critical angle) Shi Zeguang becomes the total reflection that promptly is referred to as light in the former medium of reflected back less than no longer producing refraction if enter the angle of another intermediate value this moment by a medium.If light is when being mapped to two kinds of difference branch media, and have most light to penetrate back in the former medium from interface, this kind phenomenon is reflection of light.

See also Fig. 1 and Fig. 2, shown accompanying drawing is a three-dimensional appearance schematic diagram of commonly using Vehicular lamp 3, and the optical path schematic diagram of guiding device 1; This guiding device 1 is to be fixedly arranged on the Vehicular lamp 3, this guiding device 1 is made up of a body 11 and an illuminator 12, this body 11 is made with the material of light-permeable, and a side of this body 11 is provided with continuous laciniation 111, another side of body 11 is an even surface 114 simultaneously, and with this even surface 114 towards the place ahead, and body 11 is fixedly arranged on the Vehicular lamp 3.

After illuminator 12 starts, the light that illuminator 12 is throwed can advance along the direction of first light path 121, second light path 122 and the 3rd light path 123 simultaneously, when light advances when arriving first inclined-plane 112 of laciniation 111 along first light path, 121 directions, because of refraction effect enters in the air, this light also continues to when reaching second inclined-plane 113 in air, then because of refraction effect once again by entering in the air in the body 11, so go round and begin again, allow light along the laciniation 111 of body 11 to front transfer; When light advances when arriving first inclined-plane 112 of laciniation 111 along the direction of second light path 122, because of the incident angle of light too small, light then is reflected on first inclined-plane 112 towards even surface 114 projection of body 11 because of total reflection phenomenon, and the even surface 114 that penetrates body 11 enters in the air; When light advances directly towards even surface 114 projections of body 11 along the direction of the 3rd light path 123, make light directly penetrate body 11 to pass the even surface 114 of body 11 to enter in the air after repeatedly reflect.

Yet, the even surface 114 that is positioned at body 11 as the user is seen the light distribution (as shown in Figure 3) that body 11 is presented, guiding device 1 is on second inclined-plane 113 of laciniation 111 at this moment, because of light refraction penetrates forward, make second inclined-plane 113 seem to present the dark space, first inclined-plane 112 of laciniation 111 is then because of the light reflection, make first inclined-plane 112 seem to present the clear zone, cause whole guiding device 1 and can present light and dark light distribution, and can't present the even light distribution situation.

Summary of the invention

The purpose of this utility model is improved at commonly using guiding device 1 defective in the use, a kind of light guide structure that is used for Vehicular lamp is provided, this structure is a kind ofly can meet numerous users really in using the product with good result of use, and can improve in the conventional construction desirable part to the greatest extent.

The purpose of this utility model realizes by following technical proposals, a kind of automobile-used light guide structure provided by the utility model, its guiding device is to be fixedly arranged on the Vehicular lamp, it mainly includes, a body, and this body is to have light-permeable, and be provided with continuous laciniation at body one side, this continuous laciniation is made of some inclined-planes, and is provided with a reflecting layer at another side of body, and this body is to be fixedly arranged on the Vehicular lamp towards the place ahead with its broached-tooth design; One illuminator, this illuminator are to set firmly with body, in order to the light source as guiding device.Therefore, reflecting layer by body reflects back light, and the reflecting layer of body can will come from the direct light that illuminator throws, and comes from light after the laciniation total reflection of body again for reflection, and makes the overall distribution of light of guiding device more even.

Relevant the utility model is for achieving the above object, and the technological means that is adopted and other effect are lifted preferable possible embodiments now, and conjunction with figs. is described as follows, so that can be easy to understand generation of the present utility model.

Description of drawings

Fig. 1 is a three-dimensional appearance schematic diagram of commonly using Vehicular lamp;

Fig. 2 commonly uses the optical path schematic diagram of guiding device;

Fig. 3 commonly uses the schematic diagram of guiding device for the end user watches;

Fig. 4 is the optical path schematic diagram of guiding device of the present utility model;

Fig. 5 watches this novel optic schematic representation of apparatus for the end user.

The primary clustering symbol description

Commonly use: 1 guiding device; 11 bodys; 111 laciniations; 112 first inclined-planes; 113 second inclined-planes; 114 even surfaces; 12 illuminators; 121 first light paths; 122 second light paths; 123 the 3rd light paths; 3 Vehicular lamps.

The utility model: 2 guiding devices; 21 bodys; 211 laciniations; 212 first inclined-planes; 213 second inclined-planes; 214 reflecting layer; 22 illuminators; 221 first light paths; 222 second light paths; 223 the 3rd light paths.

The specific embodiment

At first, see also shown in Figure 4ly, it is the optical path schematic diagram of guiding device 2; This guiding device 2 is to be fixedly arranged on the Vehicular lamp, and this guiding device 2 mainly includes body 21 and illuminator 22, wherein,

This body 21 is made and have light-permeable with the material of light-permeable, one side of this body 21 is provided with continuous laciniation 211, this continuous laciniation 211 is made of some inclined-planes, and being provided with at another side of body 21 simultaneously can be for through the light of the laciniation 211 reflections reflecting layer 214 for reflecting back again;

This illuminator 22 is ends that are fixedly arranged on body 21, enters body 21 inboards in order to the ray cast that illuminator 22 is throwed;

When group is established, be about to illuminator 22 earlier set firmly with body 21, again this body 21 is fixedly arranged on the Vehicular lamp towards the place ahead with its laciniation 211.

What below describe in detail is the operation of relevant guiding device 2, thereby can know structure of the present utility model and effect spy more.

When implementing, the illuminator 22 that is fixedly arranged on body 21 is started, the light that illuminator 22 is throwed can advance along the direction of first light path 221, second light path 222 and the 3rd light path 223 simultaneously; When light advances when arriving first inclined-plane 212 of laciniation 211 along first light path, 221 directions, because of refraction effect enters in the air, and then light continues in air when reaching second inclined-plane 213, then because of refraction effect once again by entering in the air in the body 21, so go round and begin again, allow light along the laciniation 211 of body 21 to front transfer;

When light advances when arriving first inclined-plane 212 of laciniation 211 along the direction of second light path 222, because of the incident angle of light too small, light then advances the light reflection on first inclined-plane 212 because of total reflection phenomenon towards the reflecting layer 214 of body 21, this light is when arriving reflecting layer 214, promptly via reflecting layer 214 again for second inclined-plane 213 of reflection towards the laciniation 211 of body 21 advances, and the laciniation 211 that penetrates body 11 enters in the air;

When light advances directly towards 214 projections of the reflecting layer of body 21 along the direction of the 3rd light path 223, make light via reflecting layer 214 again for the laciniation 211 of reflection towards body 21 advances, and the laciniation 211 that penetrates body 11 enters in the air.Be positioned at the side that body 21 has laciniation 211 the user and see the light distribution (as shown in Figure 5) that body 21 is presented, can see that light is uniformly distributed in the body 21.

In sum, know that the automobile-used light guide structure of the utility model has the following stated advantage:

Body 21 at guiding device 2 is provided with reflecting layer 214, the light that illuminator 22 is produced is reflected by reflecting layer 214, penetrate laciniation 211 and form multiple light courcess, can improve known guiding device 1 and present the existing picture of whole light and dark light distribution, and make overall distribution of light more even.Especially, if can further make above-mentioned reflection ray after cubic diffusion and light is more evenly distributed increasing diffuse material on the reflecting layer 214.

The explanation of comprehensive the foregoing description believes that disclosing the light guide structure that is used for Vehicular lamp of the present utility model in detail has practical value and progressive really, and with the combination and the structure of its integral body, the overall distribution of light of guiding device is more even.

The above; it only is preferred embodiment of the present utility model; when not limiting the scope that the utility model is implemented with this, promptly all equivalences of doing according to the utility model claim and creation description change and modify, and all should still belong in the claimed claim of the utility model.

Claims

1. automobile-used light guide structure, this guiding device is to be fixedly arranged on the Vehicular lamp, it is characterized in that it mainly includes:

One body, this body has light-permeable, and is provided with continuous laciniation at body one side, and this continuous laciniation is made of some inclined-planes, and being provided with a reflecting layer at another side of body, this body is to be fixedly arranged on the Vehicular lamp towards the place ahead with its broached-tooth design;

One illuminator, this illuminator are to set firmly with body, in order to the light source as guiding device.