CN210891461U - Car light guide leak protection photo structure - Google Patents
Car light guide leak protection photo structure Download PDFInfo
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- CN210891461U CN210891461U CN201921211906.2U CN201921211906U CN210891461U CN 210891461 U CN210891461 U CN 210891461U CN 201921211906 U CN201921211906 U CN 201921211906U CN 210891461 U CN210891461 U CN 210891461U
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- light
- light guide
- shielding plate
- opening
- circular
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Abstract
The utility model discloses a car light guide leak protection photo structure sets up in the outside of light guide, include: the wall of the light guide sheath is provided with a first opening along the axial direction, and the light guide sheath is elastically deformed and stretched through the first opening and then wrapped outside the light guide; the circular light screen is arranged at the end part of the light guide sheath, and a second through hole is formed in the middle of the circular light screen; the circular shading plate is provided with a second opening along the radial direction, and the second opening extends to the second through hole from the outer periphery of the circular shading plate; the circular light screen is provided with a third opening along the radial direction, the third opening extends to the second through hole from the outer periphery of the circular light screen, and the position of the third opening and the position of the second opening are symmetrically arranged relative to the center of the second through hole. This car light guide leak protection photo structure has solved the problem that light guide sheath tip light spills over among the prior art, and the leak protection photo effect is more excellent. And the light leakage prevention structure adopts elastic plastic and is thin-walled, so that the elastic requirement is met, parts are lightened, and the cost is saved.
Description
Technical Field
The utility model relates to a technical field of light guide leak protection light, in particular to car light guide leak protection light structure.
Background
LED light guides are increasingly common in automotive lamp construction. The light guide is typically a solid cylindrical structure of plastic with a circular cross-section. The light guide can transmit light at the end part through the inside of the light guide and reflect the light out from the teeth of the light guide. Due to the characteristics of the light guide, the whole body of the light guide is a light-emitting surface, and the unshielded light rays can be emitted to the inside of the lamp body to interfere the lighting effect of other functions in the lamp.
The current light guide light leakage prevention structure for the car lamp, as disclosed in patent CN 205372346U, includes a light guide sheath and a light guide, the light guide sheath is tubular with a notch, and the notch is stretched by elastic deformation and then wrapped outside the light guide. However, the product of this patent does not provide good light shielding in practical applications, and light may escape from the end of the light guide sleeve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a car light guide leak protection photo structure solves one or more among the above-mentioned prior art problem.
The utility model provides a car light guide leak protection photo structure sets up in the outside of light guide, include:
the light guide sheath is a pipe with a first through hole in the middle, a first opening is formed in the pipe wall of the light guide sheath along the axial direction and communicated with the first through hole, and the light guide sheath is elastically deformed and stretched through the first opening and then wrapped outside the light guide;
the circular shading plate is arranged at the end part of the light guide sheath, a second through hole is formed in the middle of the circular shading plate, and the second through hole is communicated with the first through hole;
the circular light screen is provided with a second opening along the radial direction, the second opening extends from the outer periphery of the circular light screen to the second through hole, and the second opening is communicated with the first opening;
the circular light screen is provided with a third opening along the radial direction, the third opening extends from the outer periphery of the circular light screen to the second through hole, and the position of the third opening and the position of the second opening are symmetrically arranged around the center of the second through hole;
the circular light screen is located third opening department and is equipped with first light screen, second light screen and third light screen, and first light screen is connected with circular light screen, and the second light screen is connected with first light screen, and second light screen and circular light screen parallel arrangement, third light screen and second light screen are connected, and the third light screen sets up with the second light screen is perpendicular, and first light screen is a at the projection length of circular light screen, and the second light screen is b at the projection length of circular light screen, and third open-ended width is c, and wherein, a + b become c.
In some embodiments, the fit gap between the light guide sheath and the light guide is 0.5-1 mm.
In some embodiments, the first through-hole has the same aperture as the second through-hole.
In some embodiments, the width of the second opening is the same as the width of the first opening.
In some embodiments, the first light shielding plate and the circular light shielding plate form a right angle or an obtuse angle.
In some embodiments, the light guide sheath is a straight tube or an arcuate tube.
In some embodiments, the light guide sheath, the circular light shield, the first light shield, the second light shield, and the third light shield are integrally formed by injection molding.
In some embodiments, the light guide sheath, the circular light shielding plate, the first light shielding plate, the second light shielding plate and the third light shielding plate are all made of soft plastic materials.
In some embodiments, the light guide sheath, the circular light shield, the first light shield, the second light shield, and the third light shield are all opaque.
Has the advantages that:
the utility model discloses car light guide leak protection photo structure has solved the problem that light guide sheath tip light spilled over among the prior art, and the leak protection photo effect is more excellent. And the light leakage prevention structure adopts elastic plastic and is thin-walled, so that the elastic requirement is met, parts are lightened, and the cost is saved.
And the circular light screen is also provided with a first light screen, a second light screen and a third light screen, and the sum of the projection lengths of the first light screen and the second light screen on the circular light screen is the same as the width of the third opening.
Drawings
Fig. 1 is a schematic structural diagram of a light guide light leakage preventing structure of a vehicle lamp according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a light guide light leakage preventing structure of a vehicle lamp according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a light guide light-leakage-preventing structure for a car lamp according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in the figures 1 to 3 of the drawings,
a light guide anti-leakage structure for a vehicle lamp, provided outside a light guide, comprising:
the light guide sheath 10 is a pipe with a first through hole in the middle, a first opening is axially formed in the pipe wall of the light guide sheath 10 and communicated with the first through hole, and the light guide sheath 10 is elastically deformed and stretched through the first opening and then wrapped outside the light guide;
the circular light shading plate 20 is arranged at the end part of the light guide sheath 10, and a second through hole is formed in the middle of the circular light shading plate 20 and is communicated with the first through hole;
the circular light shading plate 20 is provided with a second opening 30 along the radial direction, the second opening 30 extends from the outer periphery of the circular light shading plate 20 to a second through hole, and the second opening 30 is communicated with the first opening;
the circular light shading plate 20 is provided with a third opening 40 along the radial direction, the third opening 40 extends from the outer periphery of the circular light shading plate 20 to the second through hole, and the position of the third opening 40 and the position of the second opening 30 are symmetrically arranged about the center of the second through hole;
the circular light shielding plate 20 is located at the third opening 40 and is provided with a first light shielding plate 50, a second light shielding plate 60 and a third light shielding plate 70, the first light shielding plate 50 is connected with the circular light shielding plate 20, the second light shielding plate 60 is connected with the first light shielding plate 50, the second light shielding plate 60 is arranged in parallel with the circular light shielding plate 20, the third light shielding plate 70 is connected with the second light shielding plate 60, the third light shielding plate 70 is arranged perpendicular to the second light shielding plate 60, the projection length of the first light shielding plate 50 on the circular light shielding plate 20 is a, the projection length of the second light shielding plate 60 on the circular light shielding plate 20 is b, the width of the third opening 40 is c, wherein, a + b is c.
By such design, the circular light shielding plate 20 at the end of the light guide sheath 10 can improve the light leakage effect of the light guide, and prevent the light from overflowing from the end of the light guide sheath 10. The circular light shielding plate 20 is designed with a second opening 30 and a third opening 40 for matching the elastic deformation of the light guide sheath 10, the second opening 30 is communicated with the first opening for generating the elastic deformation, the third opening 40 is designed for matching the deformation of the second opening 30, but the design of the third opening 40 can cause the light to leak from the third opening 40. Therefore, the first light shielding plate 50, the second light shielding plate 60 and the third light shielding plate 70 are designed, and the sum of the projection lengths of the first light shielding plate 50 and the second light shielding plate 60 on the circular light shielding plate 20 is the same as the width of the third opening 40, so that the circular light shielding plate can not only match the elastic deformation of the second opening 30, but also prevent light from leaking from the third opening 40.
For the convenience of the installation of the light guide sheath, the fit clearance between the light guide sheath 10 and the light guide is 0.5-1 mm.
Specifically, the aperture of the first through hole is the same as the aperture of the second through hole.
Specifically, the width of the second opening 30 is the same as the width of the first opening.
Specifically, the first light shielding plate 50 and the circular light shielding plate 20 form a right angle or an obtuse angle.
The light guide sheath 10 is a straight or curved tube for fitting to the light guide.
Specifically, the light guide sheath 10, the circular light shielding plate 20, the first light shielding plate 50, the second light shielding plate 60, and the third light shielding plate 70 are integrally formed by injection molding.
Specifically, the light guide sheath 10, the circular light shielding plate 20, the first light shielding plate 50, the second light shielding plate 60, and the third light shielding plate 70 are all made of soft plastic.
Specifically, the light guide sheath 10, the circular light shielding plate 20, the first light shielding plate 50, the second light shielding plate 60, and the third light shielding plate 70 are made of opaque materials.
Preferably, the light guide sheath 10, the circular light shielding plate 20, the first light shielding plate 50, the second light shielding plate 60 and the third light shielding plate 70 are made of black plastic, and the plastic is preferably made of PC or PMMA.
The light guide sheath 10, the circular light shielding plate 20, the first light shielding plate 50, the second light shielding plate 60 and the third light shielding plate 70 are made of elastic plastics, so that the thin-walled design can be achieved, the elastic requirements can be met, corresponding design can be carried out according to different light guide shapes, the part design is light, extra parts are avoided when the traditional design is carried out, and the cost is saved.
The utility model discloses car light guide leak protection photo structure has solved the problem that light guide sheath tip light spilled over among the prior art, and the leak protection photo effect is more excellent. And the light leakage prevention structure adopts elastic plastic and is thin-walled, so that the elastic requirement is met, parts are lightened, and the cost is saved.
And the circular light shading plate is also provided with a first light shading plate, a second light shading plate and a third light shading plate, and the sum of the projection lengths of the first light shading plate and the second light shading plate on the circular light shading plate is the same as the width of the third opening.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept, and these should also be considered as within the scope of the present invention.
Claims (9)
1. The utility model provides a car light guide leak protection photo structure, sets up in the outside of light guide, its characterized in that includes:
the light guide sheath is a pipe with a first through hole in the middle, a first opening is formed in the pipe wall of the light guide sheath along the axial direction and communicated with the first through hole, and the light guide sheath is elastically deformed and stretched through the first opening and then wrapped outside the light guide;
the circular light shielding plate is arranged at the end part of the light guide sheath, a second through hole is formed in the middle of the circular light shielding plate, and the second through hole is communicated with the first through hole;
the circular light shielding plate is provided with a second opening along the radial direction, the second opening extends from the outer periphery of the circular light shielding plate to the second through hole, and the second opening is communicated with the first opening;
the circular light shielding plate is provided with a third opening along the radial direction, the third opening extends from the outer periphery of the circular light shielding plate to the second through hole, and the position of the third opening and the position of the second opening are symmetrically arranged around the center of the second through hole;
the circular light screen is located third opening department is equipped with first light screen, second light screen and third light screen, first light screen with circular light screen is connected, the second light screen with first light screen is connected, the second light screen with circular light screen parallel arrangement, the third light screen with the second light screen is connected, the third light screen with the second light screen sets up perpendicularly, first light screen is in the projection length of circular light screen is an, the second light screen is in the projection length of circular light screen is b, third open-ended width is c, wherein, a + b ═ c.
2. The light guide leakage preventing structure for the vehicular lamp according to claim 1, wherein a fitting clearance between the light guide cover and the light guide is 0.5 to 1 mm.
3. The vehicular lamp light guide light leakage preventing structure according to claim 1, wherein the first through hole has the same aperture as the second through hole.
4. The vehicular lamp light guide light leakage preventing structure according to claim 1, wherein a width of the second opening is the same as a width of the first opening.
5. The light guide light leakage preventing structure for the vehicular lamp according to claim 1, wherein the first light shielding plate is at a right angle or an obtuse angle with respect to the circular light shielding plate.
6. The light guide leakage prevention structure for the vehicular lamp according to claim 1, wherein the light guide sheath is a straight tube or an arc tube.
7. The light guide leakage preventing structure for the vehicular lamp according to claim 1, wherein the light guide sheath, the circular light shielding plate, the first light shielding plate, the second light shielding plate and the third light shielding plate are integrally formed by injection molding.
8. The light guide anti-glare structure for the car lamp according to claim 1, wherein the light guide sheath, the circular light shielding plate, the first light shielding plate, the second light shielding plate and the third light shielding plate are made of soft plastic materials.
9. The light guide anti-leakage structure for the vehicular lamp according to claim 1, wherein the light guide sheath, the circular light shielding plate, the first light shielding plate, the second light shielding plate and the third light shielding plate are made of a light-impermeable material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921211906.2U CN210891461U (en) | 2019-07-30 | 2019-07-30 | Car light guide leak protection photo structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921211906.2U CN210891461U (en) | 2019-07-30 | 2019-07-30 | Car light guide leak protection photo structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210891461U true CN210891461U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921211906.2U Expired - Fee Related CN210891461U (en) | 2019-07-30 | 2019-07-30 | Car light guide leak protection photo structure |
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| CN (1) | CN210891461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486692A (en) * | 2019-07-30 | 2019-11-22 | 南通冠东模塑股份有限公司 | A kind of car light light guide anti-light leakage structure |
-
2019
- 2019-07-30 CN CN201921211906.2U patent/CN210891461U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486692A (en) * | 2019-07-30 | 2019-11-22 | 南通冠东模塑股份有限公司 | A kind of car light light guide anti-light leakage structure |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |