CN219433124U

CN219433124U - Automobile headlamp capable of enlarging irradiation surface

Info

Publication number: CN219433124U
Application number: CN202320113113.7U
Authority: CN
Inventors: 李炜鑫
Original assignee: Guangzhou Perfect Technology Co ltd
Current assignee: Guangzhou Perfect Technology Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-07-28
Anticipated expiration: 2033-05-06

Abstract

The utility model discloses an automobile headlamp capable of increasing an irradiation surface, which comprises a heat dissipation bottom shell, a light-transmitting cover fixed on the heat dissipation bottom shell, a light-emitting component fixed on the heat dissipation bottom shell, a mask, a reflecting piece and a lens, wherein the light-emitting component is arranged on the heat dissipation bottom shell; the first light-emitting unit comprises a first light-emitting body, and the second light-emitting unit comprises two second light-emitting bodies and a plurality of third light-emitting bodies positioned between the two second light-emitting bodies; the lens is fixed on the mask and is opposite to the first illuminant, the lens is provided with a light-transmitting convex part protruding upwards, and the mask is provided with an embedding hole; the light reflecting piece is fixed on the mask, and a plurality of light reflecting cavities which are respectively in one-to-one correspondence with a plurality of third luminous bodies of the second luminous unit and are used for accommodating the corresponding third luminous bodies are arranged on the light reflecting piece. The utility model has floodlight effect on both sides, can enlarge the irradiation surface, improve the driving safety and improve the assembly efficiency.

Description

Automobile headlamp capable of enlarging irradiation surface

Technical Field

The utility model relates to the field of lighting devices, in particular to an automobile headlamp capable of enlarging an irradiation surface.

Background

The automobile headlamp is used as one of important components of an automobile and is mainly used for night driving road illumination. Currently, in order to further improve the performance to meet the high requirements of the industry, improved automotive headlamps are presented on the market. The improved automobile headlamp is commonly provided with a plurality of first luminous bodies, second luminous bodies and third luminous bodies, and is respectively provided with a plurality of lenses, reflecting cups and floodlight components corresponding to the plurality of first luminous bodies, the plurality of second luminous bodies and the plurality of third luminous bodies so as to enlarge the irradiation surface. Although the improved automobile headlamp can enlarge the irradiation surface, the installation and fixation of the plurality of reflecting cups and floodlight components are time-consuming, so that the assembly efficiency of the automobile headlamp is affected.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide an automobile headlamp capable of enlarging an irradiation surface, and improving assembly efficiency while enlarging the irradiation surface.

The utility model adopts the following technical scheme:

an automobile headlamp capable of enlarging an irradiation surface comprises a heat dissipation bottom shell, a light-transmitting cover fixed on the heat dissipation bottom shell, a light-emitting component fixed on the heat dissipation bottom shell, a mask, a reflecting piece and a lens; the light emitting component comprises a first light emitting unit and a second light emitting unit; the first light-emitting unit comprises a first light-emitting body, and the second light-emitting unit comprises two second light-emitting bodies and a plurality of third light-emitting bodies positioned between the two second light-emitting bodies; the lens is fixed on the mask and is opposite to the first illuminant, the lens is provided with a light-transmitting bulge part protruding upwards, and the mask is provided with a embedding hole for the light-transmitting bulge part to pass through; the light reflecting piece is fixed on the mask, and a plurality of light reflecting cavities which are respectively in one-to-one correspondence with a plurality of third luminous bodies of the second luminous unit and are used for accommodating the corresponding third luminous bodies are arranged on the light reflecting piece; the cross section area of the light reflecting cavity is gradually increased from one end of the light reflecting cavity, which is far away from the light transmitting cover, to one end of the light reflecting cavity, which is close to the light transmitting cover; the reflecting piece is also provided with two floodlight cavities which are respectively in one-to-one correspondence with the two second luminous bodies of the second luminous unit and are used for accommodating the corresponding second luminous bodies; the cross-sectional area of the floodlight cavity is gradually increased from one end of the floodlight cavity far from the light-transmitting cover to one end of the floodlight cavity close to the light-transmitting cover; the edge of the face mask is provided with a flange part which is clamped and fixed between the heat dissipation bottom shell and the light-transmitting cover.

The cavity wall of the floodlight cavity comprises a plurality of floodlight curved surfaces.

The upper end of the face mask is provided with an embedded ring groove, and a diaphragm is embedded in the embedded ring groove.

The mask covers the light reflecting piece, and the mask is provided with a plurality of first light holes which are respectively in one-to-one correspondence with the light reflecting cavities and are opposite to the corresponding light reflecting cavities, and two second light holes which are respectively in one-to-one correspondence with the two floodlight cavities and are opposite to the corresponding floodlight cavities.

The lower extreme of face guard is provided with a plurality of erection column that extends downwards, be provided with on the reflector with a plurality of engaging lug of this a plurality of erection column respectively one-to-one, each engaging lug is fixed on corresponding erection column.

Each connecting lug is fixed on the corresponding mounting column through a locking screw, a threaded hole is formed in the mounting column, a penetrating hole is formed in each connecting lug, and the locking screw penetrates through the penetrating hole of each connecting lug and is in threaded connection with the threaded hole of the mounting column.

The mask is provided with an optical cavity, the embedding hole penetrates through the cavity bottom wall of the optical cavity, and the light-transmitting protruding part extends into the optical cavity from the embedding hole.

The edge circumference of the face mask is provided with a plurality of flange parts, and the heat dissipation bottom shell is provided with a plurality of positioning grooves which are respectively corresponding to the flange parts one by one and are used for embedding the corresponding flange parts.

The flange part comprises an arm body which is arranged on the face cover and extends downwards, and a embedding block which is arranged at the lower end of the arm body and is used for being embedded in the corresponding positioning groove.

The lens is characterized in that two ends of the lens are provided with an embedded hole, the mask is provided with a positioning unit, and the positioning unit comprises two positioning columns which extend downwards on the mask and are respectively inserted into the two embedded holes of the lens in a one-to-one correspondence manner.

Compared with the prior art, the utility model has the beneficial effects that:

according to the automotive headlamp capable of enlarging the irradiation surface, the plurality of light reflecting cavities and the two floodlight cavities are arranged on the light reflecting piece, so that the light reflecting cavities and the floodlight cavities play roles in reflecting light and floodlight, the irradiation surface can be enlarged, meanwhile, the light reflecting piece is only required to be directly fixed on the mask, a plurality of light emitting cups and floodlight components are not required to be arranged, the assembly time can be saved, and the assembly efficiency is improved; moreover, through the connection structure who rationally sets up between face guard, lens, the reflection of light cup, still facilitate in the equipment to further improve packaging efficiency.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

FIG. 4 is a schematic view of the fitting of the reflector, lens and mask;

10. a heat dissipation bottom shell; 11. a positioning groove; 12. an annular clamping groove; 13. a support edge; 20. a light-transmitting cover; 21. an annular clamping strip; 22. an outer convex ring; 30. a light emitting member; 31. a first light-emitting body; 32. a second illuminant; 33. a third illuminant; 40. a face mask; 41. a hole is embedded; 43. a first light hole; 44. a second light hole; 45. a mounting column; 46. an optical cavity; 48. a ring groove is embedded; 49. a flange portion; 50. a light reflecting member; 51. a reflective cavity; 52. a flood chamber; 53. a floodlight curved surface; 54. a connecting lug; 60. a lens; 61. a light-transmitting convex portion; 70. and the diaphragm is used for guiding light.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

As shown in fig. 1 to 4, an automotive headlamp capable of increasing an irradiation surface includes a heat radiation bottom case 10, a light-transmitting cover 20 fixed on the heat radiation bottom case 10, a light-emitting member 30 fixed on the heat radiation bottom case 10, a face mask 40, a light-reflecting member 50, and a lens 60; the light emitting part 30 includes a first light emitting unit and a second light emitting unit; the first light emitting unit comprises a first light emitting body 31, and the second light emitting unit comprises two second light emitting bodies 32 and a plurality of third light emitting bodies 33 positioned between the two second light emitting bodies 32; the lens 60 is fixed on the mask 40 and is opposite to the first illuminant 31, the lens 60 is provided with a light-transmitting bulge 61 protruding upwards, and the mask 40 is provided with an embedding hole 41 for the light-transmitting bulge 61 to penetrate; the reflecting piece 50 is fixed on the mask 40, and a plurality of reflecting cavities 51 corresponding to the third luminous bodies 33 of the second luminous unit one by one and accommodating the corresponding third luminous bodies 33 are arranged on the reflecting piece 50; the cross-sectional area of the light reflecting cavity 51 gradually increases from the end of the light reflecting cavity 51 away from the light transmitting cover 20 to the end near the light transmitting cover 20; the reflecting member 50 is further provided with two floodlight cavities 52 corresponding to the two second light emitters 32 of the second light emitting unit one by one and for accommodating the corresponding second light emitters 32; the cross-sectional area of the flood chamber 52 gradually increases from the end of the flood chamber 52 away from the light-transmitting cover 20 to the end near the light-transmitting cover 20; the flange portion 49 is provided at the edge of the cover 40, and the flange portion 49 is clamped and fixed between the heat dissipation bottom shell 10 and the light-transmitting cover 20.

When the automobile headlamp is used, the light of the first illuminant 31 is emitted through the lens 60 and the light-transmitting cover 20, the light of the third illuminant 33 is emitted from the light-transmitting cover 20 after being reflected by the light-reflecting cavity 51, and the floodlight effect can be achieved on the light of the second illuminant 32 through the floodlight cavity 52, so that the irradiation surface can be enlarged, in the assembling process of the automobile headlamp, only the light-reflecting piece 50 is required to be directly fixed on the mask 40, a plurality of light-emitting cups and floodlight components are not required to be arranged, the assembling time can be saved, and the assembling efficiency can be improved; in addition, through being provided with the embedding hole 41 on the face guard 40, can supply the printing opacity bellying 61 to wear to establish, be convenient for the installation location of lens 60, moreover, can install reflector 50, lens 60 on face guard 40, again will install reflector 50, lens 60's face guard 40 is fixed between heat dissipation drain pan 10 and printing opacity lid 20, is convenient for the equipment, can further improve packaging efficiency.

The wall of the floodlight cavity 52 comprises a plurality of floodlight curved surfaces 53 to perform floodlight via the floodlight curved surfaces 53.

The upper end of the mask 40 is provided with an embedded ring groove 48, and a diaphragm 70 is embedded in the embedded ring groove 48.

The mask 40 covers the light reflecting member 50, and a plurality of first light holes 43 corresponding to the light reflecting cavities 51 and corresponding to the light reflecting cavities 51 are disposed on the mask 40, and two second light holes 44 corresponding to the floodlight cavities 52 and corresponding to the floodlight cavities 52 are disposed on the mask 40.

The lower end of the face mask 40 is provided with a plurality of mounting posts 45 extending downwards, the reflecting piece 50 is provided with a plurality of connecting lugs 54 corresponding to the mounting posts 45 one by one, and each connecting lug 54 is fixed on the corresponding mounting post 45. Each connecting lug 54 is fixed on the corresponding mounting column 45 through a locking screw, a threaded hole is formed in the mounting column 45, a penetrating hole is formed in each connecting lug 54, and the locking screw is penetrated in the penetrating hole of each connecting lug 54 and is in threaded connection with the threaded hole of the mounting column 45. By adopting the structure, the light reflecting piece 50 can be conveniently disassembled and assembled, and the installation time between the light reflecting piece 50 and the mask 40 can be saved.

The mask 40 is provided with an optical cavity 46, the embedding hole 41 penetrates through the cavity bottom wall of the optical cavity 46, and the light-transmitting protruding portion 61 protrudes into the optical cavity 46 from the embedding hole 41.

The edge circumference of the face mask 40 is arranged with a plurality of flange portions 49, and the heat dissipation bottom shell 10 is provided with a plurality of positioning grooves 11 corresponding to the flange portions 49 one by one and for embedding the corresponding flange portions 49. The flange portion 49 includes an arm body provided on the mask 40 and extending downward, and a block provided at a lower end of the arm body for being inserted into the corresponding positioning groove 11. By utilizing the cooperation of the flange portion 49 and the positioning groove 11, the mounting and positioning of the mask 40 can be facilitated, so that the mounting efficiency of the mask 40 can be improved.

The two ends of the lens 60 are respectively provided with an internal hole, the mask 40 is provided with a positioning unit, and the positioning unit comprises two positioning columns which extend downwards on the mask 40 and are respectively inserted into the two internal holes of the lens 60 in a one-to-one correspondence manner. Specifically, each end of the lens 60 is fixed to a corresponding positioning post of the positioning unit by a fastening screw. Specifically, the positioning column is provided with a locking hole, the locking hole is provided with internal threads, the fastening screw is in threaded connection with the locking hole, and the end part of the fastening screw abuts against the end part of the lens 60. By adopting the structure, the installation between the lens 60 and the mask 40 can be facilitated, so that the installation time of the lens 60 can be saved.

In this embodiment, the first light emitting units include a plurality of first light emitting bodies 31, the number of the lenses 60 is matched with the number of the first light emitting bodies 31, and the first light emitting bodies are respectively in one-to-one correspondence with the number of the positioning units, the number of the positioning units is matched with the number of the lenses 60, and the positioning units are respectively in one-to-one correspondence with the number of the lenses 60, and two positioning posts of each positioning unit are inserted into two built-in holes of the corresponding lenses 60. Of course, besides, the number of the first light emitters 31 may be set according to practical requirements, and the number of the lenses 60 and the positioning units are matched with the number of the first light emitters.

In this embodiment, the light emitting component 30 includes two second light emitting units disposed on two sides of the first light emitting unit, and the automotive headlamp capable of increasing the irradiation area includes two reflective members 50 corresponding to the two second light emitting units one by one and opposite to the corresponding second light emitting units. Of course, besides, the number of the second light emitting units can be set according to the actual requirement, and the number of the reflective members 50 is correspondingly set.

In this embodiment, the light emitting component 30 employs a PCB board and a driving power source electrically connected to the PCB board, and the first light emitting body 31, the second light emitting body 32 and the third light emitting body 33 are LED beads disposed on the PCB board, however, besides, the light emitting component 30, the first light emitting body 31, the second light emitting body 32 and the third light emitting body 33 may employ various light emitting elements existing in the market, so long as the light emitting effect can be achieved.

Specifically, a positioning structure for positioning the PCB board is disposed on the heat dissipation bottom shell 10, the positioning structure includes a pivot shaft rotatably mounted on the heat dissipation bottom shell 10, and a pressing block disposed on one side of the pivot shaft, and an arc groove for embedding the pivot shaft is disposed on the PCB board. In the PCB installation process, the pressing block rotates outwards along with the pivot shaft, then the arc groove is opposite to the pivot shaft, the PCB is placed on the heat dissipation bottom shell 10 along the pivot shaft, and then the pressing block rotates to the jacking PCB along with the pivot shaft, so that the installation and the positioning of the PCB are facilitated, and the installation efficiency of the PCB is improved. Specifically, the PCB board is fixed on the heat dissipation bottom shell 10 by a locking screw, and in the installation process, the to-be-pressed block is pressed on the PCB board along with the pivot shaft, and then the PCB board is fixed on the heat dissipation bottom shell 10 by the locking screw.

The heat dissipation bottom shell 10 is provided with an annular clamping groove 12, the light-transmitting cover 20 is provided with an annular clamping strip 21 clamped in the annular clamping groove 12, the light-transmitting cover 20 is also provided with an outward protruding outer convex ring 22, the heat dissipation bottom shell 10 is provided with a bearing edge 13 for bearing the outer convex ring 22, and the light-transmitting cover 20 can be pressed downwards towards the heat dissipation bottom shell 10 in the installation process of the light-transmitting cover 20 so as to be clamped in the annular clamping groove 12 by the annular clamping strip 21, the outer convex ring 22 is supported by the bearing edge 13, and therefore the installation between the light-transmitting cover 20 and the heat dissipation bottom shell 10 is convenient, and the fixation stability of the light-transmitting cover 20 can be ensured. As a further preferred embodiment of the present utility model, the heat dissipation bottom shell 10 is made of an aviation aluminum alloy to increase the heat dissipation rate.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. An automotive headlamp capable of enlarging an irradiation surface, which is characterized in that: the LED lamp comprises a heat dissipation bottom shell, a light-transmitting cover fixed on the heat dissipation bottom shell, a light-emitting component fixed on the heat dissipation bottom shell, a mask, a reflecting piece and a lens; the light emitting component comprises a first light emitting unit and a second light emitting unit; the first light-emitting unit comprises a first light-emitting body, and the second light-emitting unit comprises two second light-emitting bodies and a plurality of third light-emitting bodies positioned between the two second light-emitting bodies; the lens is fixed on the mask and is opposite to the first illuminant, the lens is provided with a light-transmitting bulge part protruding upwards, and the mask is provided with a embedding hole for the light-transmitting bulge part to pass through; the light reflecting piece is fixed on the mask, and a plurality of light reflecting cavities which are respectively in one-to-one correspondence with a plurality of third luminous bodies of the second luminous unit and are used for accommodating the corresponding third luminous bodies are arranged on the light reflecting piece; the cross section area of the light reflecting cavity is gradually increased from one end of the light reflecting cavity, which is far away from the light transmitting cover, to one end of the light reflecting cavity, which is close to the light transmitting cover; the reflecting piece is also provided with two floodlight cavities which are respectively in one-to-one correspondence with the two second luminous bodies of the second luminous unit and are used for accommodating the corresponding second luminous bodies; the cross-sectional area of the floodlight cavity is gradually increased from one end of the floodlight cavity far from the light-transmitting cover to one end of the floodlight cavity close to the light-transmitting cover; the edge of the face mask is provided with a flange part which is clamped and fixed between the heat dissipation bottom shell and the light-transmitting cover.

2. The automotive headlamp with an enlarged illumination surface according to claim 1, wherein: the cavity wall of the floodlight cavity comprises a plurality of floodlight curved surfaces.

3. The automotive headlamp with an enlarged illumination surface according to claim 1, wherein: the upper end of the face mask is provided with an embedded ring groove, and a diaphragm is embedded in the embedded ring groove.

4. The automotive headlamp with an enlarged illumination surface according to claim 1, wherein: the mask covers the light reflecting piece, and the mask is provided with a plurality of first light holes which are respectively in one-to-one correspondence with the light reflecting cavities and are opposite to the corresponding light reflecting cavities, and two second light holes which are respectively in one-to-one correspondence with the two floodlight cavities and are opposite to the corresponding floodlight cavities.

5. The automotive headlamp with an enlarged illumination surface according to claim 1, wherein: the lower extreme of face guard is provided with a plurality of erection column that extends downwards, be provided with on the reflector with a plurality of engaging lug of this a plurality of erection column respectively one-to-one, each engaging lug is fixed on corresponding erection column.

6. An automotive headlamp with an enlarged illumination surface as defined in claim 5, wherein: each connecting lug is fixed on the corresponding mounting column through a locking screw, a threaded hole is formed in the mounting column, a penetrating hole is formed in each connecting lug, and the locking screw penetrates through the penetrating hole of each connecting lug and is in threaded connection with the threaded hole of the mounting column.

7. The automotive headlamp with an enlarged illumination surface according to claim 1, wherein: the mask is provided with an optical cavity, the embedding hole penetrates through the cavity bottom wall of the optical cavity, and the light-transmitting protruding part extends into the optical cavity from the embedding hole.

8. The automotive headlamp with an enlarged illumination surface according to claim 1, wherein: the edge circumference of the face mask is provided with a plurality of flange parts, and the heat dissipation bottom shell is provided with a plurality of positioning grooves which are respectively corresponding to the flange parts one by one and are used for embedding the corresponding flange parts.

9. The automotive headlamp capable of increasing an irradiation surface according to claim 8, wherein: the flange part comprises an arm body which is arranged on the face cover and extends downwards, and a embedding block which is arranged at the lower end of the arm body and is used for being embedded in the corresponding positioning groove.

10. The automotive headlamp with an enlarged illumination surface according to claim 1, wherein: the lens is characterized in that two ends of the lens are provided with an embedded hole, the mask is provided with a positioning unit, and the positioning unit comprises two positioning columns which extend downwards on the mask and are respectively inserted into the two embedded holes of the lens in a one-to-one correspondence manner.