CN202884741U - Vehicle lamp installation crazing-prevention device - Google Patents
Vehicle lamp installation crazing-prevention device Download PDFInfo
- Publication number
- CN202884741U CN202884741U CN 201220458677 CN201220458677U CN202884741U CN 202884741 U CN202884741 U CN 202884741U CN 201220458677 CN201220458677 CN 201220458677 CN 201220458677 U CN201220458677 U CN 201220458677U CN 202884741 U CN202884741 U CN 202884741U
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- China
- Prior art keywords
- cracking
- lens
- cylinder
- lamp housing
- lamp
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- Expired - Fee Related
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Abstract
A vehicle lamp installation crazing-prevention device comprises a lens (1), a lamp shell (2) and a crazing-prevention round column (3), wherein the lens (1) is arranged on the lamp shell (2), the crazing-prevention round column (3) is riveted inside an installation hole of the lamp shell (2) and penetrates through the lamp shell (2) to enable the lens (1) and the lamp shell (2) to be fixed, the bottom (5) of the crazing-prevention round column is provided with a round platform, and the middle of the crazing-prevention round column is provided with a round column body of a boss (4). The vehicle lamp installation crazing-prevention device is characterized in that the bottom surface (4) of the crazing-prevention round column is tightly attached to the outer surface of the lamp shell (2), and the boss (4) of the crazing-prevention round column is matched with the inner surface of the lamp shell and conducts X-direction limitation. The vehicle lamp installation crazing-prevention device can effectively prevent the conditions that dust, sediment, water and the like from entering into the lamp shell because the lens is crazed, improves the using effect of a vehicle lamp, prolongs the service life of the vehicle lamp, and can avoid safe accidents which occur possibly.
Description
Technical field
The utility model relates to a kind of automobile lamp anti-cracking device, particularly a kind of anti-cracking device for signal lamp is installed.
Background technology
Known Signal Lamps on Vehicle and car body mounting means mainly contain: at the lamp distribution mirror installing hole is arranged, mounting screw is locked the car body panel beating backward by installing hole on the lamp distribution mirror, realizes installing; By the light fixture back side pre-buried or locking double-screw bolt be installed on the car body, reach the installation effect; Lamp housing both sides or rear side have buckle structure, be that spacing the reaching of buckle and car body installed effect etc. during installation, but make things convenient for requirement because of lamp installation with changeing at present, adopt the installing hole locking mode more, owing to being installed to this mode of car body, or locking double-screw bolt pre-buried by the light fixture back side be not easy to maintenance, also need other part (remove first just and can keep in repair such as back row seats) such as school bus, the maintenance of bus series, maintenance work effort, time-consuming is taken cost.
The installing hole that passes through on the lamp distribution mirror that uses is locked the car body panel beating backward, reach this mode of effect of installing, because light fixture signal lamp lens material is mainly PMMA, AS, PC engineering plastics, and these materials are subject to external force extruding cracking in installation process or lens part that the division of plastic engineering material molecule is made in use ftractures, and cause fluid or solia particle to leak and the intrusions such as introduced contaminants such as dust, silt, moisture from the lens cracking.Because Signal Lamps on Vehicle, particularly back-up lamp, Rear Fog Lamp, position lamp ﹠ lantern light fixture, as fluid or solia particle occur from the situation that cracking leaks and introduced contaminants such as dust, silt, moisture etc. are invaded, not only affect result of use, the service life of automobile lamp but also may cause the generation of security incident.
Summary of the invention
For addressing the above problem; the purpose of this utility model is to provide a kind of automobile lamp that anti-cracking device is installed; that the cylinder of will preventing ftractureing is riveted in the lamp housing installing hole; its bottom interior surface and lamp housing outer surface paste dead; anti-cracking cylinder passes lamp housing installing hole and lens installing hole, and the surface is higher than lens installing hole surface, produces height fall; mounting screw passes and prevents that cracking device lock onto in the vehicle body when lamp installation, and the protection lens prevents cracking.
The technical solution of the utility model is achieved in the following ways: a kind of installation for automobile lamp prevented cracking device, comprise lens, lamp housing and anti-cracking cylinder, lens is arranged on the lamp housing, anti-cracking cylinder is riveted interior into the installing hole of lamp housing and is passed the lens installing hole lens and lamp housing are fixed, the bottom of anti-cracking cylinder is with round platform, the centre is provided with the cylinder of boss, it is characterized in that: the bottom surface of described anti-cracking cylinder and lamp housing outer surface paste dead, and the boss on the anti-cracking cylinder cooperates with the lamp housing inner surface and to carry out X-direction spacing.
The cylinder height of described anti-cracking cylinder is that lens installing hole inner wall thickness adds lamp housing installing hole place's degree of depth and inner wall thickness sum, the rear surface is installed exceeds lens installing hole 1.5～2.5mm.
Described anti-cracking periphery is coarse rubbing surface or flank, and periphery is for there being a plurality of small salient points.
Described lamp housing is interference fit with anti-cracking cylindrical fit, and monolateral interference distance is 0.15% of electrical path length in the anti-cracking cylinder, and lamp housing installing hole inside is step.
Described lens is installed the aperture greater than the diameter of anti-cracking cylinder.
The utility model structure, anti-cracking periphery are that coarse rubbing surface and lamp housing butt prevent that anti-cracking device comes off under the External Force Acting; Can effectively prevent the situation that light fixture dust that lens cracking causes, silt, moisture etc. are invaded, improve result of use, the service life of automobile lamp and can avoid contingent security incident.The utility model is simple in structure, is convenient to batch production, can prevent the outward appearance complaint that the lens cracking causes in the light fixture entrucking process.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of anti-cracking cylinder.
Among the figure: 1 is that lens, 2 is that lamp housing, 3 is for preventing that cracking cylinder, 4 is that boss, 5 is the bottom surface.
The specific embodiment
Known by Fig. 1, automobile lamp of the present utility model is installed anti-cracking device, comprises lens 1, lamp housing 2 and anti-cracking cylinder 3.Cylinder 6 riveted joints of will preventing first ftractureing enter in the installing hole of lamp housing 2 and by lens 1 installing hole, the bottom surface 5 of anti-cracking cylinder is pasted dead with lamp housing 3 outer surfaces, boss 4 on the anti-cracking cylinder 3 cooperates with the lamp housing inner surface and to carry out X-direction spacing, prevents that long-term maintenance from causing preventing that cracking device and lamp housing 2 interference fit cause apart from wearing and tearing prevents that cracking device comes off.
Being known by Fig. 2, is the structural representation of anti-cracking cylinder.The bottom 5 of anti-cracking cylinder 3 is with round platform, and the centre is provided with the cylinder of boss 4, and paste extremely with lamp housing 2 outer surfaces bottom surface 4,
The cylinder height of anti-cracking cylinder 3 is that lens installing hole inner wall thickness adds lamp housing installing hole place's degree of depth and inner wall thickness sum, the rear surface is installed exceeds lens installing hole 1.5～2.5mm.Anti-cracking cylinder 3 surfaces are coarse rubbing surface or flank, and periphery is for there being a plurality of small salient points.It is interference fit that lamp housing 2 cooperates with anti-cracking cylinder 3, and monolateral interference distance is 0.15% of the interior electrical path length of anti-cracking cylinder, and lamp housing installing hole inside is step.Lens 1 is installed the aperture greater than the diameter of anti-cracking cylinder 3.
Claims (5)
1. an automobile lamp is installed anti-cracking device, comprise lens (1), lamp housing (2) and anti-cracking cylinder (3), lens (2) is arranged on the lamp housing (1), anti-cracking cylinder (3) riveted joint enters in the installing hole of lamp housing (3) and passes lens (2) installing hole lens (1) and lamp housing (2) are fixed, the bottom (5) of anti-cracking cylinder is with round platform, the centre is provided with the cylinder of boss (4), it is characterized in that: the bottom surface of described anti-cracking cylinder (4) and lamp housing (2) outer surface paste dead, and the boss (4) on the anti-cracking cylinder (3) cooperates with the lamp housing inner surface and to carry out X-direction spacing.
2. a kind of automobile lamp according to claim 1 is installed anti-cracking device, it is characterized in that: the cylinder height of described anti-cracking cylinder (3) is that lens installing hole inner wall thickness adds lamp housing installing hole place's degree of depth and inner wall thickness sum, the rear surface is installed exceeds lens installing hole 1.5～2.5mm.
3. a kind of automobile lamp according to claim 1 is installed anti-cracking device, it is characterized in that: described anti-cracking cylinder (3) surface is coarse rubbing surface or flank, and periphery is for there being a plurality of small salient points.
4. a kind of automobile lamp according to claim 1 is installed anti-cracking device, it is characterized in that: it is interference fit that described lamp housing (2) cooperates with anti-cracking cylinder (3), monolateral interference distance is 0.15% of electrical path length in the anti-cracking cylinder, and lamp housing installing hole inside is step.
5. a kind of automobile lamp according to claim 1 is installed anti-cracking device, it is characterized in that: described lens (1) is installed the aperture greater than the diameter of anti-cracking cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220458677 CN202884741U (en) | 2012-09-11 | 2012-09-11 | Vehicle lamp installation crazing-prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220458677 CN202884741U (en) | 2012-09-11 | 2012-09-11 | Vehicle lamp installation crazing-prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202884741U true CN202884741U (en) | 2013-04-17 |
Family
ID=48076165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220458677 Expired - Fee Related CN202884741U (en) | 2012-09-11 | 2012-09-11 | Vehicle lamp installation crazing-prevention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202884741U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296082A (en) * | 2014-09-15 | 2015-01-21 | 江苏常诚汽车部件有限公司 | Lamp body and lens screwing and separation-preventing structure for glue connection type front combination lamp |
| CN104848136A (en) * | 2015-06-02 | 2015-08-19 | 江苏远洋车灯有限公司 | Rear-end outline-marking and turn lamp for passenger vehicles |
| CN112097216A (en) * | 2019-06-17 | 2020-12-18 | 江苏秦龙汽车科技有限公司 | HID xenon type automobile front combined lamp |
-
2012
- 2012-09-11 CN CN 201220458677 patent/CN202884741U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296082A (en) * | 2014-09-15 | 2015-01-21 | 江苏常诚汽车部件有限公司 | Lamp body and lens screwing and separation-preventing structure for glue connection type front combination lamp |
| CN104848136A (en) * | 2015-06-02 | 2015-08-19 | 江苏远洋车灯有限公司 | Rear-end outline-marking and turn lamp for passenger vehicles |
| CN112097216A (en) * | 2019-06-17 | 2020-12-18 | 江苏秦龙汽车科技有限公司 | HID xenon type automobile front combined lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20150911 |
|
| EXPY | Termination of patent right or utility model |