CN215216049U - Light guide structure of light distribution lens with evenly lighted tail end capable of being widened - Google Patents
Light guide structure of light distribution lens with evenly lighted tail end capable of being widened Download PDFInfo
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- CN215216049U CN215216049U CN202121218924.0U CN202121218924U CN215216049U CN 215216049 U CN215216049 U CN 215216049U CN 202121218924 U CN202121218924 U CN 202121218924U CN 215216049 U CN215216049 U CN 215216049U
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- light guide
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- flank
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Abstract
The utility model relates to a light guide structure of lens in terminal widen evenly lights, including first light guide and the second light guide that the structure is the same, and go into light section and linkage segment parallel fixed connection from top to bottom, first light guide and second light guide connect gradually by going into light section, linkage segment and tail section and form, one side of linkage segment and tail section outer peripheral face is provided with the convex light guide tooth to the outside, and the light guide tooth end to end connection on linkage segment and the tail section, the tail section of first light guide one end is provided with the flank that extends to one side, and the width of flank is by preceding grow gradually backward, the flank evenly is provided with the light trap by the terminal surface that passes through the light guide tooth. Compared with a thick-wall lighting scheme, the cost can be saved; the installation is comparatively firm, and stability is high, reduces the risk that the vibration goes out the powder, avoids damaging the LED lamp simultaneously.
Description
Technical Field
The utility model relates to an automobile lamp technical field specifically is a light guide structure of lens in terminal widen evenly lights.
Background
With the rapid development of automobile lamp technology, the appearance, the whole lighting streamline form and the whole brightness uniformity of the whole automobile lamp are more and more emphasized by the whole automobile customer. In order to make the car lamp more beautiful and the light more uniform, the light guide technology is increasingly applied to the car lamp field. The light guide is a structural member for guiding light emitted by the LED to a front panel or a position needing light emission from the PCB, and has the characteristics of high transmission efficiency, uniform optical effect and the like.
The light guide optical scheme generally used at present is that a light guide tooth is generally placed on the focal length of a lens to enable the light guide tooth to transmit the lens to form an enlarged image, the light guide has high efficiency and can transmit a long distance, but the lighting area is narrow, and a thick-wall lighting scheme is needed to achieve a specific shape with wide lighting, so that the cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a light guide structure of lens in terminal widen evenly lights to the regional narrower and the higher problem of cost of lighting who proposes in solving above-mentioned background.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a light guide structure of lens in terminal widen evenly lights, includes the same first light guide of structure and second light guide, and goes into light section and linkage segment parallel fixed connection from top to bottom, first light guide and second light guide connect gradually by going into light section, linkage segment and end section and form, one side of linkage segment and end section outer peripheral face is provided with the convex light guide tooth to the outside, and the light guide tooth end to end connection on linkage segment and the end section, the end section of first light guide one end is provided with the flank that extends to one side, and the width of flank is by preceding grow gradually backward, the flank is by the terminal surface of passing through light guide tooth and evenly is provided with the light trap.
Preferably, the widths of the light guide teeth on the connecting section and the tail section are gradually increased, and the distances between the light guide teeth and the connecting section and the tail section are gradually reduced.
Preferably, the afterbody of flank is provided with first installation department, the one end that the flank was kept away from to the second light guide is provided with the second installation department, and all is provided with the mounting hole on second installation department and the first installation department, the flank is kept away from and is provided with the fixture block on the lateral wall of first light guide one side.
Preferably, the light hole is a conical groove.
Preferably, the first and second light guides are circular in cross-section.
Preferably, the first light guide and the second light guide are made of PC or PMMA.
Compared with the prior art, the beneficial effects of the utility model are that: the light guide structure of the inner lens with the uniformly lighted tail end being widened
(1) The first light guide and the second light guide are arranged, the light guide teeth are arranged on the first light guide and the second light guide, the lighting area can be wider by using double-light guide lighting, the tail end of the first light guide is provided with the side wing, the emergent width of the light source is gradually widened, the large-angle and dark-free area at the tail end of the light guide is realized, the special shape with longer length and wider tail is suitable, and compared with a thick-wall lighting scheme, the cost can be saved;
(2) through setting up first installation department and second installation department, and be provided with the mounting hole on the second installation department, set up the fixture block on the flank, carry out three point fixation to the light guide during the installation, the installation is comparatively firm, and stability is high, reduces the risk that vibrates out the powder, avoids damaging the LED lamp simultaneously.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic view of the cross-sectional structure taken along the line A-A of FIG. 3 according to the present invention;
fig. 5 is a schematic view of the cross-sectional structure along the direction B-B in fig. 3 according to the present invention.
In the figure: 1. a first light guide; 101. an incident light section; 102. a connecting section; 103. a tail section; 2. a light guide tooth; 3. a side wing; 301. a light-transmitting hole; 4. a clamping block; 5. a first mounting portion; 6. a second mounting portion; 7. a second light guide.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: a light guide structure of an inner lens with a uniformly lighted and widened tail end comprises a first light guide 1 and a second light guide 7 which are identical in structure, the first light guide 1 and the second light guide 7 are made of PC or PMMA, the cross sections of the first light guide 1 and the second light guide 7 are circular, the first light guide 1 and the second light guide 7 are fixedly connected in an up-and-down parallel mode, each of the first light guide 1 and the second light guide 7 is formed by connecting a light inlet section 101, a connecting section 102 and a tail section 103 end to end, one side of the outer peripheral surfaces of the connecting section 102 and the tail section 103 is provided with a light guide tooth 2 protruding outwards, the light guide teeth 2 on the connecting section 102 and the tail section 103 are connected end to end, the width of the light guide teeth 2 on the connecting section 102 and the tail section 103 is gradually increased, the distance between the light guide teeth 2 and the connecting section 102 and the tail section 103 is gradually reduced, the light guide teeth 2 are drawn close to the distance of a semicircle, the light guide teeth 2 are out of focus more and light, and light rays generate smaller angle offset in the light guide, the phenomenon of non-uniformity caused by the fact that the total reflection of the light guide is damaged due to large angle deviation cannot be caused;
the tail section 103 of the first light guide 1 is provided with the side wing 3 extending to one side, the thickness of the side wing 3 is smaller than the diameter of the first light guide 1, the width of the side wing 3 is gradually increased from front to back, the end face, close to the light guide teeth 2, of the side wing 3 is uniformly provided with the light transmission holes 301, the light transmission holes 301 are conical blind holes, a light source irradiates out of the light transmission holes 301, the large-angle dark-free tail end of the light guide is realized, the special shape with longer length and wider tail part is suitable, and compared with a thick-wall lighting scheme, the cost can be saved;
the afterbody of flank 3 is provided with first installation department 5, and the one end that flank 3 was kept away from to second light guide 7 is provided with second installation department 6, and all is provided with the mounting hole on second installation department 6 and the first installation department 5, is provided with fixture block 4 on the lateral wall of flank 3 keeping away from 1 one side of first light guide, carries out three point fixing to the light guide during the installation, and the installation is comparatively firm, and stability is high, reduces the risk that vibrates out the powder, avoids damaging the LED lamp simultaneously.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A light guide structure for uniformly illuminating a distally widened inner lens, comprising: including first light guide (1) and second light guide (7) that the structure is the same, and go into light section (101) and linkage segment (102) parallel fixed connection from top to bottom, first light guide (1) and second light guide (7) are formed by going into light section (101), linkage segment (102) and end section (103) and connecting gradually, one side of linkage segment (102) and end section (103) outer peripheral face is provided with outside convex light guide tooth (2), and light guide tooth (2) end to end connection on linkage segment (102) and end section (103), end section (103) of first light guide (1) one end are provided with flank (3) that extend to one side, and the width of flank (3) is by preceding back grow gradually, flank (3) are close to the terminal surface that is close to light guide tooth (2) and evenly are provided with light trap (301).
2. A light guide structure for uniformly illuminating an end-widening inner lens according to claim 1, wherein: the widths of the light guide teeth (2) on the connecting section (102) and the tail section (103) are gradually increased, and the distance between the light guide teeth (2) and the connecting section (102) and the tail section (103) is gradually reduced.
3. A light guide structure for uniformly illuminating an end-widening inner lens according to claim 1, wherein: the afterbody of flank (3) is provided with first installation department (5), the one end that flank (3) were kept away from in second light guide (7) is provided with second installation department (6), and all is provided with the mounting hole on second installation department (6) and first installation department (5), be provided with fixture block (4) on the lateral wall of first light guide (1) one side is kept away from in flank (3).
4. A light guide structure for uniformly illuminating an end-widening inner lens according to claim 1, wherein: the light hole (301) is a conical groove.
5. A light guide structure for uniformly illuminating an end-widening inner lens according to claim 1, wherein: the first light guide (1) and the second light guide (7) are circular in cross-section.
6. A light guide structure for uniformly illuminating an end-widening inner lens according to claim 1, wherein: the first light guide (1) and the second light guide (7) are made of PC or PMMA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121218924.0U CN215216049U (en) | 2021-06-02 | 2021-06-02 | Light guide structure of light distribution lens with evenly lighted tail end capable of being widened |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121218924.0U CN215216049U (en) | 2021-06-02 | 2021-06-02 | Light guide structure of light distribution lens with evenly lighted tail end capable of being widened |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215216049U true CN215216049U (en) | 2021-12-17 |
Family
ID=79422781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121218924.0U Active CN215216049U (en) | 2021-06-02 | 2021-06-02 | Light guide structure of light distribution lens with evenly lighted tail end capable of being widened |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215216049U (en) |
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2021
- 2021-06-02 CN CN202121218924.0U patent/CN215216049U/en active Active
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