CN104676403A - Headlamp of heavy vehicle - Google Patents
Headlamp of heavy vehicle Download PDFInfo
- Publication number
- CN104676403A CN104676403A CN201310612911.5A CN201310612911A CN104676403A CN 104676403 A CN104676403 A CN 104676403A CN 201310612911 A CN201310612911 A CN 201310612911A CN 104676403 A CN104676403 A CN 104676403A
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- CN
- China
- Prior art keywords
- light source
- reflector
- fixed leg
- heavy vehicle
- vehicle headlight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
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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
- F21V15/00—Protecting lighting devices from damage
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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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a headlamp of a heavy vehicle. The headlamp of the heavy vehicle comprises a rear housing, a front cover and a light source module; the light source module is arranged in the light source cavity formed by the rear housing and the front cover, the light source module comprises cooling fins, light source, a reflector, first fixing columns and first screw fastening pieces; the cooling fins are arranged at the close end; the reflector comprises a face cover and a reflecting cup arranged on the face cover, a light outlet is formed in the face cover, the reflecting cup is in a shape of horn, the big end of the reflecting cup is relative to the light outlet; one end of the first fixing column is connected to the cooling fins while the other end thereof is opened with a first screw hole extending along the axial direction; the first screw fastening piece penetrates through the face cover and is screwed with the first screw hole in the first fixing column, so that the first fixing column is connected to the face cover, the cooling fins and the reflector are integrated together through a plurality of first fixing columns and first screw fastening pieces; the light source penetrates through the big end of the reflecting cup and irradiates inwards the reflecting cup. The light source module of the headlamp of the heavy vehicle can form a modularization entirety to be maintained conveniently.
Description
Technical field
The present invention relates to automobile lamp technology, particularly relate to a kind of heavy vehicle headlight.
Background technology
Automobile front, also claim car headlamp, automobile day portable lighter, as the eyes of automobile, be not only related to the external image of a car owner, be more closely connected with the safe driving under driving at night or bad weather condition.Using and maintaining of automobile front, can not ignore.Heavy vehicle headlight is generally used for large truck even on the heavy vehicle such as tank, and its working environment is often comparatively severe, needs often to safeguard it, to maintain its performance.
The heavy vehicle headlight that traditional heavy vehicle uses is generally halogen light source light fixture, and its shock resistance is poor, and the life-span is shorter, and its inner needs arranges comparatively complicated structure, dispels the heat and damping, to maintain its life-span to it.Simultaneously due to heavy vehicle headlight be in adverse circumstances for a long time under work, need often to safeguard it, but due to comparatively its comparatively complicated structure, after dismounting, mounting parts is more, result in its dismounting difficult, brings inconvenience to regular maintenance.
Summary of the invention
Based on this, be necessary that providing a kind of safeguards heavy vehicle headlight comparatively easily.
A kind of heavy vehicle headlight, comprising:
Back cover, described back cover has openend and the blind end relative with described openend;
Protecgulum, described protecgulum is removable installed in the openend of described back cover, and described openend hides by described protecgulum, and described protecgulum and described back cover form light-source chamber jointly; And
Light source assembly, be contained in described light-source chamber, described light source assembly comprises:
Fin, described fin is removable installed in the blind end of described back cover;
Light source, is arranged on a side of described fin;
Reflector, comprises cover and is arranged at the reflector on described cover, described cover offers light hole, reflector is horn-like, comprise stub end and little head end, described stub end and the equal opening of described little head end, described stub end and described light hole align;
Multiple first fixed leg is column structure, and described first fixed leg one end is connected on described fin, and the other end of described first fixed leg offers axially extended first screw; And
Multiple first threaded fastener, described first threaded fastener wears described cover, and be screwed with the first screw on described first fixed leg, be connected on described cover to make described first fixed leg, described fin and described reflector form an entirety by multiple described first fixed leg and described first threaded fastener, and described light source passes the stub end of described reflector and enters reflector inside.
Wherein in an embodiment, also comprise multiple second fixed leg, described second fixed leg is column structure, its quantity is consistent with the quantity of described first fixed leg, one end of described second fixed leg is arranged on the madial wall of described blind end, and the other end of described second fixed leg offers the second screw; Described first fixed leg is provided with the first threaded portion away from one end of described cover, described first threaded portion offers external screw thread, described heat sink offers the first through hole, described first threaded portion wears described first through hole, and be screwed with the second screw on described second fixed leg, with the blind end making described fin be arranged at described back cover.
Wherein in an embodiment, the madial wall of described blind end is vertically installed with multiple first screw column, the quantity of described first screw column is consistent with the quantity of described second fixed leg, described second fixed leg is also provided with the second threaded portion away from one end of described first fixed leg, described second threaded portion offers external screw thread, described second threaded portion and described first screw column are screwed, and are arranged on the madial wall of described blind end to make described second fixed leg.
Wherein in an embodiment, described cover edge is jagged, the madial wall of described back cover is also provided with the second screw column, and described heavy vehicle headlight also comprises the second threaded fastener, and described second threaded fastener wears described breach and is screwed with described second screw column.
Wherein in an embodiment, described fin is also provided with the 3rd screw, described heavy vehicle headlight also comprises the 3rd threaded fastener and driven unit, described 3rd threaded fastener wears described driven unit, and be screwed with described 3rd screw, be fixed on the side of described heat sink away from described light source to make described driven unit.
Wherein in an embodiment, described fin is also provided with the 4th screw, described heavy vehicle headlight also comprises the 4th threaded fastener and aluminium base, described 4th threaded fastener wears described aluminium base, and be screwed with described 4th screw, to make described aluminium base be fixed on described heat sink, described light source is arranged on described aluminium base.
Wherein in an embodiment, described back cover also comprises lug, and described lug is arranged at the periphery of described openend, described lug offers along the axially extended screwed hole of described main casing; The periphery of described protecgulum is provided with the boss corresponding with described lug, and described boss offers the fixing hole corresponding with described screwed hole; Described heavy vehicle headlight also comprises the 5th threaded fastener, is screwed, with the openend making described protecgulum be fixed on described back cover after described 5th threaded fastener wears described fixing hole with described screwed hole.
Wherein in an embodiment, described light source is multiple, and spaced apart on described heat sink, and described reflector is multiple, and multiple reflector is arranged at intervals on described cover, and corresponding with described light source.
Wherein in an embodiment, the middle part of described heat sink is bent to form stepped, described heat sink comprises near the first end difference of described cover and the second end difference away from described cover, described reflector comprises the second reflector that the first reflector and axial length are greater than described first reflector, described first reflector and described first end difference offset, and described second reflector and described second end difference offset.
Wherein in an embodiment, described heat sink is sheet metal component.
Above-mentioned heavy vehicle headlight, compared with traditional heavy vehicle headlight, at least has the following advantages:
First, above-mentioned heavy vehicle headlight is by the first fixed leg and the first threaded fastener, the assemblies such as reflector, light source and fin can be made to form a modular entirety, when needing to safeguard light source, light source assembly entirety can be pulled down from enclosure interior, again light source assembly is split, avoid in the small space in back cover and carry out complicated maintenance operation, improve the efficiency of maintenance.
Secondly; light source assembly will be arranged on back cover blind end by the second fixed leg; the shell wall of light source assembly and back cover separately; when heavy vehicle headlight is under the duty of acutely rocking; light source assembly effectively can be avoided to extrude mutually with the shell wall of back cover or collide with, effectively protect light source assembly.Further, fin is sheet metal component, and self can bear certain deformation, can play cushioning effect, playing certain protection, considerably increase the reliability of above-mentioned heavy vehicle headlight to light source assembly when shaking.
Finally, above-mentioned heavy vehicle headlight adopts LED as light source, and compared with traditional halogen light source, the vibration resistance of light source is better, and the life-span is more permanent in the presence of a harsh environment, makes above-mentioned heavy vehicle headlight more reliability and durability.
Accompanying drawing explanation
Fig. 1 is the explosive view of the type automotive headlamp in present pre-ferred embodiments;
Fig. 2 is the structure chart of the headlight of heavy vehicle shown in Fig. 1;
Fig. 3 is the explosive view of light source assembly in the headlight of heavy vehicle shown in Fig. 1;
Fig. 4 is the concrete structure figure of fin in light source assembly shown in Fig. 1;
Fig. 5 is the partial exploded view of the headlight of heavy vehicle shown in Fig. 1.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Better embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make to disclosure of the present invention understand more thorough comprehensively.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe concrete embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1, the heavy vehicle headlight 10 in present pre-ferred embodiments, comprise back cover 100, protecgulum 200, light source assembly 300.
Back cover 100 has openend 110 and the blind end 130 relative with openend 110.Protecgulum 200 is removable installed in the openend 110 of back cover 100, and protecgulum 200 and back cover 100 form light-source chamber (scheming not mark) jointly.
Specifically in the present embodiment, back cover 100 also comprises lug 150.Back cover 100 is roughly hemispherical dome structure.Lug 150 is arranged at the periphery of openend 110, lug 150 offers along the axially extended screwed hole 152 of back cover 100.Lug 150 can be multiple, and multiple lug 150 is uniformly distributed on the periphery of openend 110.
Back cover 100 offers the entrance hole 170 for introducing outer lead 400.Heavy vehicle headlight 10 also comprises sealing-plug 190.Sealing-plug 190 is arranged in entrance hole 170, and compresses outer lead 400, to seal entrance hole 170.Outer lead 400 is entered in light-source chamber by entrance hole 170.
The shape of protecgulum 200 is roughly suitable with the shape of the openend 110 of back cover 100.The periphery of protecgulum 200 is provided with the boss 210 corresponding with lug 150.The quantity of boss 210 is corresponding with the quantity of lug 150, and multiple boss 210 is uniformly distributed on the periphery of openend 110.Boss 210 offers the fixing hole 212 corresponding with screwed hole 152.
Heavy vehicle headlight 10 also comprises the 5th threaded fastener 500.See also Fig. 2, the 5th threaded fastener 500 wears after fixing hole 212 and screwed hole 152 is screwed, with the openend 110 making protecgulum 200 be fixed on back cover 100.
It is pointed out that and also alternate manner can be waited to be connected by engaging between protecgulum 200 with back cover 100, now, lug 150, boss 210 and the 5th threaded fastener 500 etc. all can omit.
Light source assembly 300 is contained in light-source chamber.See also Fig. 3, light source assembly 300 comprises fin 310, light source 320, reflector 330, first fixed leg 340 and the first threaded fastener 350.
Fin 310 is sheet metal component.Fin 310 is removable installed in the blind end 130 of back cover 100.Light source 320 is multiple, and multiple light source 320 is arranged on a side of fin 310.Specifically in the present embodiment, light source 320 is LED light source.Be appreciated that light source 320 also can be the light source of other type, be not limited to LED.
Reflector 330 comprises cover 332 and is arranged at the reflector 334 on cover 332, cover 332 offers light hole 332a, reflector 334 is horn-like, there is stub end (figure does not mark) and little head end (figure does not mark), stub end and the equal opening of little head end, stub end and light hole 332a align.
Specifically in the present embodiment, reflector 334 is multiple, and multiple reflector 334 is arranged at intervals on cover 332.Light hole 332a is also multiple, and corresponding with reflector 334.Reflector 334 comprises the second reflector 334b that the first reflector 334a and axial length are greater than described first reflector 334a.See also Fig. 4, fin 310 is removable installed in the blind end 130 of back cover 100, and the middle part of fin 310 is bent to form stepped, and fin 310 comprises near the first end difference 312 of cover 332 and the second end difference 314 away from cover 332.
First reflector 334a and the first end difference 312 offset, and the second reflector 334b and the second end difference 314 offset, and light source 320 is inner to enter reflector 334 through the stub end of reflector 334.The light that light source 320 sends through reflector 334 reflection and send.First reflector 334a is different from the size of the second reflector 334b, coordinates the light source 320 of its inside, to form high beam and dipped headlights, meets the demand of automobile lamp.
Be appreciated that fin 310 and reflector 334 can be not limited to said structure, its shape can change according to the actual demand of light fixture.
Please again consult Fig. 3, the first fixed leg 340 is multiple.First fixed leg 340 is column structure.First fixed leg 340 one end is connected on fin 310, and the other end of the first fixed leg 340 offers axially extended first screw 342.
First threaded fastener 350 is multiple.First threaded fastener 350 wears cover 332, and is screwed with the first screw 342 on the first fixed leg 340, is connected on cover 332 to make the first fixed leg 340.Fin 310 and reflector 330 form an entirety by multiple first fixed leg 340 and the first threaded fastener 350.
By the first fixed leg 340 and the first threaded fastener 350, the assemblies such as reflector 330, light source 320 and fin 310 can be made to form a modular entirety, when needing to safeguard light source, light source assembly 300 entirety can be pulled down from enclosure interior, again light source assembly 300 is split, avoid in the small space in back cover 100 and carry out complicated maintenance operation, improve the efficiency of maintenance.
See also Fig. 1 and Fig. 3, heavy vehicle headlight 10 also can comprise the second fixed leg 600.Second fixed leg 600 is multiple, and its quantity is consistent with the quantity of the first fixed leg 340.Second fixed leg 600 is column structure, and the second screw 610 is offered in one end of the second fixed leg 600.First fixed leg 340 is provided with on the first threaded portion 334, threaded portion 334, first away from one end of cover 332 and offers external screw thread.Fin 310 offers the first through hole 316, first threaded portion 334 and wear the first through hole 316, and be screwed with the second screw 610 on the second fixed leg 600.
See also Fig. 1, Fig. 3 and Fig. 5, the quantity madial wall of blind end 130 being vertically installed with multiple first screw column 132, first screw column 132 is consistent with the quantity of the second fixed leg 600.Second fixed leg 600 is also provided with the second threaded portion 630 away from one end of the first fixed leg 340, second threaded portion 630 offers external screw thread, second threaded portion 630 and the first screw column 132 are screwed, to make the second fixed leg 600 be arranged on the madial wall of blind end 130, and fin 310 is finally made to be arranged at the blind end 130 of back cover 100.
Light source assembly 300 is arranged on back cover 100 blind end 130 by the second fixed leg 600; the shell wall of light source assembly 300 and back cover 100 separately; when heavy vehicle headlight 10 is under the duty of acutely rocking; light source assembly 300 effectively can be avoided to extrude mutually with the shell wall of back cover 100 or collide with, effectively protect light source assembly 300.Meanwhile, fin 310 is sheet metal component, and self can bear certain deformation, can play cushioning effect, playing certain protection to light source assembly 300 when shaking.
The blind end 130 being appreciated that back cover 100 can also be offered thread groove (figure does not look), be screwed to replace the second threaded portion 630 of the first screw column 132 and the second fixed leg 600.In addition, light source assembly 300 also directly can be connected to the blind end 130 of back cover 100 by the first fixed leg 340, now the second fixed leg 600 can omit.
See also Fig. 5, in order to better be fixed light source assembly 300, the jagged 332b of cover 332 edge, the madial wall of back cover 100 is also provided with the second screw column 120.Heavy vehicle headlight 10 is also comprised the second threaded fastener 700, second threaded fastener 700 and wears breach 332b and be screwed with the second screw column 120, to be fixed on the second screw column 120 by cover 332 by the second threaded fastener 700.Concrete, second threaded fastener 700 can comprise three fixed leg 710 identical with the first fixed leg 340 structure and screw 730, by the 3rd fixed leg 710 and screw 730, with fixing cover 332, simultaneously, after fixing, the second threaded fastener 700 leans with the sidewall of breach 332b, to increase the contact area of itself and cover 332, what light source assembly 300 was fixed is more firm.
Please again consult Fig. 3 and Fig. 4, fin 310 is also provided with the 3rd screw 317, heavy vehicle headlight 10 also comprises the 3rd threaded fastener 800a and driven unit 800b, 3rd threaded fastener 800a wears driven unit 800b, and be screwed with the 3rd screw 317, be fixed on the side of fin 310 away from light source 320 to make driven unit 800b.Driven unit 800b is electrically connected with light source 320, to drive light source 320.
Fin 310 is also provided with the 4th screw 318, heavy vehicle headlight 10 also comprises the 4th threaded fastener 900a and aluminium base 900b.4th threaded fastener 900a wears aluminium base 900b, and is screwed with the 4th screw 318, and to make aluminium base 900b be fixed on fin 310, light source 320 is arranged on aluminium base 900b.Light source 320 is arranged on fin 310 by aluminium base 900b, can strengthen the heat dispersion of light source assembly 300.
Be appreciated that aluminium base 900b also can omit when the thermal diffusivity of light source assembly 300 is enough.Fin 310 also can be made up of other material, only needs its thermal diffusivity and elasticity to meet actual needs.
Above-mentioned heavy vehicle headlight 10, compared with traditional heavy vehicle headlight, at least has the following advantages:
First, above-mentioned heavy vehicle headlight 10 is by the first fixed leg 340 and the first threaded fastener 350, the assemblies such as reflector 330, light source 320 and fin 310 can be made to form a modular entirety, when needing to safeguard light source 320, light source assembly 300 entirety can be pulled down from enclosure interior, again light source assembly 300 is split, avoid in the small space in back cover 100 and carry out complicated maintenance operation, improve the efficiency of maintenance.
Secondly; light source assembly 300 will be arranged on back cover 100 blind end 130 by the second fixed leg 600; the shell wall of light source assembly 300 and back cover 100 separately; when heavy vehicle headlight 10 is under the duty of acutely rocking; light source assembly 300 effectively can be avoided to extrude mutually with the shell wall of back cover 100 or collide with, effectively protect light source assembly 300.Further, fin 310 is sheet metal component, and self can bear certain deformation, can play cushioning effect, playing certain protection, considerably increase the reliability of above-mentioned heavy vehicle headlight 10 to light source assembly 300 when shaking.
Finally, above-mentioned heavy vehicle headlight 10 adopts LED as light source, and compared with traditional halogen light source, the vibration resistance of light source 320 is better, and the life-span is more permanent in the presence of a harsh environment, makes above-mentioned heavy vehicle headlight 10 more reliability and durability.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a heavy vehicle headlight, is characterized in that, comprising:
Back cover, described back cover has openend and the blind end relative with described openend;
Protecgulum, described protecgulum is removable installed in the openend of described back cover, and described openend hides by described protecgulum, and described protecgulum and described back cover form light-source chamber jointly; And
Light source assembly, be contained in described light-source chamber, described light source assembly comprises:
Fin, described fin is removable installed in the blind end of described back cover;
Light source, is arranged on a side of described fin;
Reflector, comprises cover and is arranged at the reflector on described cover, described cover offers light hole, reflector is horn-like, comprise stub end and little head end, described stub end and the equal opening of described little head end, described stub end and described light hole align;
Multiple first fixed leg is column structure, and described first fixed leg one end is connected on described fin, and the other end of described first fixed leg offers axially extended first screw; And
Multiple first threaded fastener, described first threaded fastener wears described cover, and be screwed with the first screw on described first fixed leg, be connected on described cover to make described first fixed leg, described fin and described reflector form an entirety by multiple described first fixed leg and described first threaded fastener, and described light source passes the stub end of described reflector and enters reflector inside.
2. heavy vehicle headlight according to claim 1, it is characterized in that, also comprise multiple second fixed leg, described second fixed leg is column structure, its quantity is consistent with the quantity of described first fixed leg, one end of described second fixed leg is arranged on the madial wall of described blind end, and the other end of described second fixed leg offers the second screw; Described first fixed leg is provided with the first threaded portion away from one end of described cover, described first threaded portion offers external screw thread, described heat sink offers the first through hole, described first threaded portion wears described first through hole, and be screwed with the second screw on described second fixed leg, with the blind end making described fin be arranged at described back cover.
3. heavy vehicle headlight according to claim 2, it is characterized in that, the madial wall of described blind end is vertically installed with multiple first screw column, the quantity of described first screw column is consistent with the quantity of described second fixed leg, described second fixed leg is also provided with the second threaded portion away from one end of described first fixed leg, described second threaded portion offers external screw thread, described second threaded portion and described first screw column are screwed, and are arranged on the madial wall of described blind end to make described second fixed leg.
4. heavy vehicle headlight according to claim 3, it is characterized in that, described cover edge is jagged, the madial wall of described back cover is also provided with the second screw column, described heavy vehicle headlight also comprises the second threaded fastener, and described second threaded fastener wears described breach and is screwed with described second screw column.
5. heavy vehicle headlight according to claim 4, it is characterized in that, described fin is also provided with the 3rd screw, described heavy vehicle headlight also comprises the 3rd threaded fastener and driven unit, described 3rd threaded fastener wears described driven unit, and be screwed with described 3rd screw, be fixed on the side of described heat sink away from described light source to make described driven unit.
6. heavy vehicle headlight according to claim 5, it is characterized in that, described fin is also provided with the 4th screw, described heavy vehicle headlight also comprises the 4th threaded fastener and aluminium base, described 4th threaded fastener wears described aluminium base, and be screwed with described 4th screw, to make described aluminium base be fixed on described heat sink, described light source is arranged on described aluminium base.
7. heavy vehicle headlight according to claim 6, is characterized in that, described back cover also comprises lug, and described lug is arranged at the periphery of described openend, described lug offers along the axially extended screwed hole of described main casing; The periphery of described protecgulum is provided with the boss corresponding with described lug, and described boss offers the fixing hole corresponding with described screwed hole; Described heavy vehicle headlight also comprises the 5th threaded fastener, is screwed, with the openend making described protecgulum be fixed on described back cover after described 5th threaded fastener wears described fixing hole with described screwed hole.
8. heavy vehicle headlight according to claim 1, is characterized in that, described light source is multiple, and spaced apart on described heat sink, and described reflector is multiple, and multiple reflector is arranged at intervals on described cover, and corresponding with described light source.
9. heavy vehicle headlight according to claim 8, it is characterized in that, the middle part of described heat sink is bent to form stepped, described heat sink comprises near the first end difference of described cover and the second end difference away from described cover, described reflector comprises the second reflector that the first reflector and axial length are greater than described first reflector, described first reflector and described first end difference offset, and described second reflector and described second end difference offset.
10. heavy vehicle headlight according to claim 1, is characterized in that, described heat sink is sheet metal component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310612911.5A CN104676403B (en) | 2013-11-26 | 2013-11-26 | Heavy vehicle headlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310612911.5A CN104676403B (en) | 2013-11-26 | 2013-11-26 | Heavy vehicle headlight |
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| Publication Number | Publication Date |
|---|---|
| CN104676403A true CN104676403A (en) | 2015-06-03 |
| CN104676403B CN104676403B (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310612911.5A Active CN104676403B (en) | 2013-11-26 | 2013-11-26 | Heavy vehicle headlight |
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| CN (1) | CN104676403B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106949421A (en) * | 2017-05-03 | 2017-07-14 | 蒋敏 | A kind of LED automobile lamp with detachable reflector |
| CN108224243A (en) * | 2018-01-23 | 2018-06-29 | 福州丹诺西诚电子科技有限公司 | A kind of downlight |
| CN111911890A (en) * | 2019-05-09 | 2020-11-10 | 江苏秦龙汽车科技有限公司 | Mounting bracket for automobile front combination lamp |
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| CN201237095Y (en) * | 2008-07-08 | 2009-05-13 | 东莞市贻嘉光电科技有限公司 | LED lamp |
| CN201297550Y (en) * | 2008-11-07 | 2009-08-26 | 徐健 | High-power led car lamp |
| DE102011076765A1 (en) * | 2011-05-31 | 2012-12-06 | Osram Ag | Illumination device for motor vehicle, has lead frames that are electrically connected with semiconductor light source assemblies which are arranged on stage surfaces of step-like portion of heat sink |
| CN202303103U (en) * | 2011-07-05 | 2012-07-04 | 重庆冠龙电子科技有限公司 | LED (Light emitting diode) heat-dissipating type plate lamp |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949421A (en) * | 2017-05-03 | 2017-07-14 | 蒋敏 | A kind of LED automobile lamp with detachable reflector |
| CN106949421B (en) * | 2017-05-03 | 2023-09-19 | 佛山市塔孚汽车照明有限公司 | LED car lamp with separable reflective cup |
| CN108224243A (en) * | 2018-01-23 | 2018-06-29 | 福州丹诺西诚电子科技有限公司 | A kind of downlight |
| CN108224243B (en) * | 2018-01-23 | 2023-12-15 | 福州丹诺西诚电子科技有限公司 | Tube lamp |
| CN111911890A (en) * | 2019-05-09 | 2020-11-10 | 江苏秦龙汽车科技有限公司 | Mounting bracket for automobile front combination lamp |
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|---|---|
| CN104676403B (en) | 2018-12-11 |
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