CN113701122B - Sealing structure of automobile front combined lamp - Google Patents
Sealing structure of automobile front combined lamp Download PDFInfo
- Publication number
- CN113701122B CN113701122B CN202110936007.4A CN202110936007A CN113701122B CN 113701122 B CN113701122 B CN 113701122B CN 202110936007 A CN202110936007 A CN 202110936007A CN 113701122 B CN113701122 B CN 113701122B
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- China
- Prior art keywords
- lamp
- sealing structure
- light guide
- mask
- guide plate
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/50—Waterproofing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to a sealing structure of a front combined lamp of an automobile, which comprises a big lamp mask, a plurality of small lamp masks arranged in the big lamp mask and connected with the big lamp masks, light guide plates arranged in each small lamp mask, and a circuit board arranged at the rear ends of the light guide plates, and is characterized in that: an inner clamping part is arranged at the inner side of the big lamp mask, and an outer clamping part is arranged at the rear part of the small lamp mask; the outer clamping part of the small lamp mask is correspondingly clamped with the inner clamping part of the large lamp mask to form a U-shaped glue groove; the glue groove is coated with sealant; the rear end of the light guide plate is provided with a rubber rib, and the rubber rib at the rear end of the light guide plate is inserted into a rubber groove coated with sealant to form a complete local sealing structure. The invention can form a complete local sealing structure, solves the problem that the fog on the local area of the surface of the lamp face shield can not be eliminated, improves the appearance quality of the lamp and improves the qualification rate of the product; and the processing procedure can be simplified, and the processing cost can be reduced.
Description
Technical Field
The invention relates to an automobile lighting system, in particular to a sealing structure of an automobile front combined lamp.
Background
At present, the integral modeling design of the automobile tends to be flattened, three-dimensional and personalized, the modeling of the automobile front combined lamp gradually has a more open modeling design development trend, and many traditional structures can not meet the requirements of modeling, quality, technology and the like. The popularization of the LED light source enables the front combination lamp to have a larger breakthrough in size than the traditional halogen headlight, but the problem of fog of the headlight is solved in many cases due to structural arrangement and the limitation of the spraying process of the mask coating, so that the modeling cannot be broken through in a limited space. The problem-prone area needs to be locally sealed, so that the purposes of no spraying and no fogging are achieved, market complaints caused by appearance and process problems are reduced, scrapping problems caused by high process difficulty can be reduced, and production cost is reduced.
CN 113028358A discloses a "novel waterproof sealing automobile front combined lamp", which comprises a far-near light reflecting bowl, wherein the far-near light reflecting bowl is provided with a far-light reflecting bowl cavity and a near-light reflecting bowl cavity; the rear lamp holder shell is fixed on the rear side of the far and near light reflecting bowl through screws and is provided with a far light installation wall, a near light installation wall, a first waterproof cap installation wall, a second waterproof cap installation wall and a third positioning installation wall, wherein the third positioning installation wall sequentially sinks from the second waterproof cap installation wall to the third positioning installation wall; the decorative outer frame is arranged around the far and near light reflecting bowl; the front lampshade shell is fixed with the decorative outer frame through screws and is buckled with the rear lamp holder shell; and a mounting bracket. The rear lamp holder shell is sequentially provided with a second waterproof cap mounting wall, a high beam mounting wall, a first waterproof cap mounting wall, a low beam mounting wall and a third positioning mounting wall, which are formed in a mutually stepped manner, are matched with a high beam reflecting bowl and are good in light distribution, and meanwhile waterproof sealing performance is enhanced. The technical solution disclosed in this patent document is certainly not a beneficial attempt in the art.
Disclosure of Invention
The invention aims to provide a sealing structure of an automobile front combined lamp, which can form a complete local sealing structure, solve the problem that fog on a local area of the surface of a lamp face cover cannot be eliminated, improve the appearance quality of the automobile lamp and improve the qualification rate of products; and the processing procedure can be simplified, and the processing cost can be reduced.
The invention relates to an automobile front combined lamp sealing structure, which comprises a big lamp mask, a plurality of small lamp masks arranged in the big lamp mask and connected with the big lamp mask, light guide plates arranged in each small lamp mask and a circuit board arranged at the rear ends of the light guide plates, wherein an inner clamping part is arranged at the inner side of the big lamp mask, and an outer clamping part is arranged at the rear part of the small lamp mask; the outer clamping part of the small lamp mask is correspondingly clamped with the inner clamping part of the large lamp mask to form a U-shaped glue groove; the glue groove is coated with sealant; the rear end of the light guide plate is provided with a rubber rib, and the rubber rib at the rear end of the light guide plate is inserted into a rubber groove coated with sealant to form a complete local sealing structure.
Further, the lamp shade further comprises a decorative frame fixedly connected to the edge of the lamp shade through screws, and the decorative frame covers the outside of the local sealing structure.
Further, the LED lamp shade further comprises decorative sheets fixedly connected to the edges of the two sides of each small lamp shade through screws.
Further, the lamp shade further comprises a rear light barrier arranged at the rear of the circuit board and/or an upper light barrier arranged outside the edge of the large lamp shade.
Further, the sealant is silica gel.
Further, high density silica coatings are sprayed on the surfaces of the big lamp masks and the small lamp masks.
Further, a collimating optical lens structure is arranged at the bottom of the light guide plate, and a fine convex texture is arranged at the light outlet of the light guide plate.
Further, an LED light source is arranged on the circuit board, and light emitted by the LED light source is collected into the light guide plate through a collimating optical lens at the bottom of the light guide plate.
The invention has the beneficial effects that:
the large lamp face mask and the small lamp face mask are split into two, and then are clamped to form a complete whole, so that the process difficulty in the processing process and the injection molding difficulty of the die can be reduced;
because the small lamp face mask and the large lamp face mask are clamped and connected to form a U-shaped glue groove, glue ribs at the rear end of the light guide plate can form a complete sealing structure with the glue groove structure, and the local sealing structure isolates air outside the lamp from other sealing areas in the lamp so as to solve the problem that fog in local areas on the surfaces of the large and small lamp face masks cannot be eliminated;
because the automobile front combined lamp has a local sealing structure, no air enters after the inside of the automobile front combined lamp is sealed, the inner surface of the automobile front combined lamp does not need to be sprayed with an anti-fog coating, the automobile front combined lamp can not generate fog, the cost is reduced, and meanwhile, the technological defects caused by spraying are reduced.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic external view of the present invention;
fig. 3 is a sectional view a-a of fig. 2.
In the figure (technical feature marks):
1-a headlight cover and 11-an inner clamping part;
2-small lamp masks, 21-outer clamping parts;
3-light guide plate, 31-rubber rib;
4-circuit board, 5-back light barrier, 6-upper light barrier, 7-glue groove, 8-sealant, 9-decorative frame and 10-decorative sheet.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, 2 and 3, a sealing structure of a front combination lamp of an automobile comprises a big lamp mask 1, three small lamp masks 2 arranged in the big lamp mask and connected with the big lamp mask, a light guide plate 3 arranged in each small lamp mask and a circuit board 4 arranged at the rear ends of a plurality of light guide plates, wherein an inner clamping part 11 is arranged at the inner side of the big lamp mask 1, and an outer clamping part 21 is arranged at the rear part of the small lamp mask 2; the outer clamping part 21 of the small lamp mask 2 is correspondingly clamped with the inner clamping part 11 of the large lamp mask 1 to form a U-shaped adhesive groove 7; a sealant 8 is coated in the glue groove; the big lamp face mask and the small lamp face mask are split into two, and the whole is formed through clamping, so that the process difficulty in the processing process and the difficulty in injection molding of the die can be reduced.
The back end of the light guide plate 3 is provided with a rubber rib 31, and the rubber rib 31 at the back end of the light guide plate is inserted into the rubber groove 7 coated with the sealant 8 to form a complete local sealing structure. The local sealing structure isolates the air outside the lamp from other sealing areas in the lamp so as to solve the problem that the fog on the local area of the surface of the large and small lamp face masks cannot be eliminated.
The lamp shade further comprises a decorative frame 9 fixedly connected to the edge of the headlight cover 1 through screws, and the decorative frame 9 covers the outside of the local sealing structure. Thereby masking all non-cosmetic structures.
The lamp further comprises decorative sheets 10 fixedly connected to the edges of the two sides of each small lamp face mask 2 through screws so as to improve the appearance quality of the lamp.
Also included are a rear light barrier 5 provided behind the circuit board 4 and/or an upper light barrier 6 provided outside the edge of the headlight cover 1.
The sealant 8 is silica gel. The silica gel has good fluidity, can fill up the gaps of the structure, and can prevent objects such as air, water vapor, dust and the like from entering after solidification. Other sealants, or EPDM or foam mating structures may also be used for sealing.
High-density silicon oxide coatings are sprayed on the surfaces of the big lamp masks 1 and the small lamp masks 2. The coating has high hardness, and can block general splash objects so as to ensure the surface strength of the large and small lamp masks.
The bottom of the light guide plate 3 is provided with a collimation optical lens structure, and the light outlet of the light guide plate 3 is provided with fine convex textures so as to refract and scatter light to an area required to be irradiated by regulations.
An LED light source is arranged on the circuit board 4, and light emitted by the LED light source is collected into the light guide plate through a collimating optical lens at the bottom of the light guide plate 3.
The automobile front combined lamp with the local sealing structure has the advantages that no air enters after the inside of the automobile front combined lamp is sealed, the inner surface of the automobile front combined lamp is not required to be sprayed with an anti-fog coating, the automobile lamp is not fogged, the cost is reduced, and meanwhile, the technological defects caused by spraying are reduced.
Claims (8)
1. The utility model provides a combination lamp seal structure before car, includes big lamp face guard (1), a plurality of establish in big lamp face guard and be connected little lamp face guard (2) with it, establish light guide plate (3) in every little lamp face guard and establish circuit board (4) at a plurality of light guide plate rear ends, characterized by: an inner clamping part (11) is arranged at the inner side of the big lamp mask (1), and an outer clamping part (21) is arranged at the rear part of the small lamp mask (2); the outer clamping part (21) of the small lamp mask (2) is correspondingly clamped with the inner clamping part (11) of the large lamp mask (1) to form a U-shaped adhesive groove (7); a sealant (8) is coated in the glue groove; the rear end of the light guide plate (3) is provided with a rubber rib (31), and the rubber rib (31) at the rear end of the light guide plate is inserted into the rubber groove (7) coated with the sealant (8) to form a complete local sealing structure.
2. The automobile front combination lamp sealing structure according to claim 1, wherein: the lamp shade further comprises a decorative frame (9) fixedly connected to the edge of the large lamp shade (1) through screws, and the decorative frame (9) covers the outside of the local sealing structure.
3. The automobile front combination lamp sealing structure according to claim 1 or 2, characterized in that: the lamp shade further comprises decorative sheets (10) fixedly connected to the edges of the two sides of each small lamp shade (2) through screws.
4. The automobile front combination lamp sealing structure according to claim 1, wherein: the lamp shade further comprises a rear light barrier (5) arranged behind the circuit board (4) and/or an upper light barrier (6) arranged outside the edge of the headlight mask (1).
5. The automobile front combination lamp sealing structure according to claim 1, wherein: the sealant (8) is made of silicon rubber.
6. The automobile front combination lamp sealing structure according to claim 1, wherein: high-density silicon oxide coatings are sprayed on the surfaces of the big lamp face mask (1) and the small lamp face mask (2).
7. The automobile front combination lamp sealing structure according to claim 1 or 2, characterized in that: the bottom of the light guide plate (3) is provided with a collimation optical lens structure, and the light outlet of the light guide plate (3) is provided with fine convex textures.
8. The automobile front combination lamp sealing structure according to claim 7, wherein: an LED light source is arranged on the circuit board (4), and light emitted by the LED light source is collected into the light guide plate through a collimating optical lens at the bottom of the light guide plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110936007.4A CN113701122B (en) | 2021-08-16 | 2021-08-16 | Sealing structure of automobile front combined lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110936007.4A CN113701122B (en) | 2021-08-16 | 2021-08-16 | Sealing structure of automobile front combined lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113701122A CN113701122A (en) | 2021-11-26 |
| CN113701122B true CN113701122B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110936007.4A Active CN113701122B (en) | 2021-08-16 | 2021-08-16 | Sealing structure of automobile front combined lamp |
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| Country | Link |
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| CN (1) | CN113701122B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114446200A (en) * | 2022-01-30 | 2022-05-06 | 重庆长安新能源汽车科技有限公司 | Automobile logo capable of emitting light |
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| 塑料在汽车上的应用现状及发展趋势;黄志杰;;汽车工艺与材料(第01期);全文 * |
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Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: Deep Blue Automotive Technology Co.,Ltd. Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |