CN219102789U

CN219102789U - Position lamp structure of headlamp

Info

Publication number: CN219102789U
Application number: CN202223211769.7U
Authority: CN
Inventors: 范豪杰; 高坤; 董留成; 潘明洋; 罗宗明; 关仲新; 梁妙玲; 张望全; 王正伟; 苏少宇
Original assignee: Magneti Marelli Automobile Lighting Foshan Co Ltd
Current assignee: Magneti Marelli Automobile Lighting Foshan Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-30
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a position lamp structure of a head lamp, which is arranged on a shell of the head lamp, wherein the rear end of the shell is concavely provided with a mounting groove, and the groove wall of the mounting groove is provided with a penetrating opening; the position lamp structure of the headlamp comprises a light guide strip, a light guide fixing seat, a light guide plate, a position lamp circuit board and a heat dissipation seat, wherein the light guide strip is provided with a light emitting section and a light entering section; the light guide fixing seat is arranged in the inner cavity of the shell, and a light guide strip is arranged in the light guide fixing seat in a penetrating way; the tail end of the light entering section penetrates out of the light guide fixing seat and is provided with a light guide head; the light guide plate and the position lamp circuit board are both arranged in the mounting groove, the light guide plate is arranged between the groove wall of the mounting groove and the position lamp circuit board, the light guide plate is provided with a positioning opening corresponding to the position of the penetrating opening, and the position lamp circuit board is provided with a light emitting piece corresponding to the position of the positioning opening; the heat dissipation seat cover is arranged on the notch of the mounting groove. The utility model is more convenient to assemble on the shell and can radiate heat outwards.

Description

Position lamp structure of headlamp

Technical Field

The utility model relates to the technical field of headlamps, in particular to a position lamp structure of a headlamp.

Background

According to the customer demand, in the design and the manufacturing of car light, the combination car light that is formed with multiple function lamp module equipment is main demand trend, and occupation space is few, and the function is various. In the existing combination vehicle lamp, the combination vehicle lamp generally comprises a shell, a position lamp module, a far-near light module and an auxiliary high-beam module, wherein the position lamp module, the far-near light module and the auxiliary high-beam module are installed in the shell. At present, the main problems that the car lamp appears are that the integral structure of the position lamp module is arranged in the shell, the process of assembling the position lamp module into the shell is complicated, the space in the main shell is occupied too much, and the heat generated in the use process of the position lamp module is emitted into the shell, so that the heat dissipation is influenced.

Disclosure of Invention

The utility model aims to provide a position lamp structure of a headlamp, which is more convenient to assemble on a shell and can radiate heat outwards.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the position lamp structure of the headlamp is arranged on a shell of the headlamp, a mounting groove separated from an inner cavity of the shell is concavely formed in the rear end of the shell, and a penetrating opening communicated with the inner cavity is formed in the groove wall of the mounting groove; the position lamp structure of the headlamp comprises a light guide strip, a light guide fixing seat, a light guide plate, a position lamp circuit board and a heat dissipation seat, wherein the light guide strip is provided with a light emitting section and a light entering section; the light guide fixing seat is arranged in the inner cavity of the shell, the light guide strip is penetrated in the light guide fixing seat, and a light outlet is formed at the front end of the light guide fixing seat corresponding to the light outlet section; the tail end of the light inlet section penetrates out of the light guide fixing seat, and a light guide head is arranged on the light inlet section and is used for penetrating into the mounting groove from the penetrating opening; the light guide plate and the position lamp circuit board are both arranged in the mounting groove, the light guide plate is arranged between the groove wall of the mounting groove and the position lamp circuit board, the light guide plate is provided with a positioning opening corresponding to the penetrating opening, the position lamp circuit board is provided with a light emitting piece corresponding to the positioning opening for the light guide head to penetrate into the positioning opening, the positioning opening is used for clamping and positioning the light guide head in the mounting groove, and light lighted by the light emitting piece is led into the light guide strip from the light guide head; the heat dissipation seat cover is arranged on the notch of the mounting groove and used for sealing the mounting groove and dissipating heat of the position lamp circuit board.

As a further technical scheme of the utility model: the light guide fixing seat comprises a first side seat shell and a second side seat shell, wherein accommodating grooves are formed in the first side seat shell and the second side seat shell respectively, and are communicated with the accommodating grooves of the second side seat shell to form a space for the light guide strip to penetrate through after the first side seat shell and the second side seat shell are connected and assembled.

As a further technical scheme of the utility model: the groove walls of the accommodating grooves of the first side seat shell and the second side seat shell are concavely provided with clamping grooves, two convex strips are oppositely arranged on two sides of the light guide strip in a protruding mode, and when the light guide strip penetrates between the first side seat shell and the second side seat shell, the convex strips on two sides of the light guide strip are respectively clamped in the clamping grooves of the accommodating grooves of the first side seat shell and the second side seat shell.

As a further technical scheme of the utility model: the light guide head is provided with a light guide cone column positioned at the center and two positioning edges which are arranged at the top and the bottom of the light guide cone column in an up-down opposite mode, and the diameter of the light guide cone column is gradually narrowed towards the positioning opening; the locating port is formed with the through port that corresponds with the leaded light awl post and extends relatively with the bottom at the top of through port has the bayonet socket that corresponds with two location limit respectively, be equipped with a plurality of spacing lugs on the inner wall of through port with the interval, every spacing lug is the slope form towards the one side at through port center, makes the bore of through port narrow gradually to the notch from the cell wall of mounting groove, when supplying the leaded light awl post to gradually penetrate the through port, in two location limit penetrated the bayonet socket respectively to when spacing lug supports the leaded light awl post, the locating port will lead the optical head block location.

As a further technical scheme of the utility model: the groove wall of the mounting groove is provided with a first wire inlet communicated with the inner cavity, and the light guide fixing seat is provided with a second wire inlet corresponding to the first wire inlet.

As a further technical scheme of the utility model: the light guide fixing seat is fixedly connected with the groove wall of the mounting groove in a threaded manner.

As a further technical scheme of the utility model: the position lamp circuit board is fixedly connected with the front end face of the radiating seat in a threaded manner.

As a further technical scheme of the utility model: the rear end of the light guide fixing seat is provided with a plurality of supporting pieces extending backwards at intervals, and the light guide fixing seat is fixedly connected with the inner cavity of the shell through the supporting pieces in a threaded mode.

As a further technical scheme of the utility model: the rear end of the light emitting section and the rear end of a section of the light entering section adjacent to the light emitting section are respectively provided with optical teeth.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a position lamp structure of a headlamp, which realizes convenient installation on a shell through the matching among a light guide strip, a light guide fixing seat, a light guide plate, a position lamp circuit board and a heat dissipation seat, and simultaneously, heat generated by the position lamp circuit board can be dissipated outwards through the heat dissipation seat, so that the heat is prevented from being concentrated into an inner cavity of the shell, and the heat dissipation efficiency is improved.

Drawings

Fig. 1 is a first perspective view of a position lamp structure of a head lamp mounted to a housing of the head lamp.

Fig. 2 is a second perspective view of the position lamp structure of the head lamp mounted to the housing of the head lamp.

Fig. 3 is a schematic view of a mounting groove on a housing of a headlamp.

Fig. 4 is a schematic view of a position lamp structure of a head lamp.

Fig. 5 is a first view of the assembled state of the light guide strip and the light guide fixing base.

Fig. 6 is a second view of the assembled state of the light guide strip and the light guide fixing base.

Fig. 7 is an exploded view of the light guide bar and the light guide holder.

Fig. 8 is a schematic view of a light guide bar.

Fig. 9 is a schematic view of a light guide plate.

Fig. 10 is an assembled state diagram of the position lamp circuit board and the heat sink.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the scope of the utility model.

Referring to fig. 1, 2 and 3, a position lamp structure of a headlight is mounted on a housing 101 of the headlight, the housing 101 is concavely provided with a mounting groove 102 separated from an inner cavity thereof at a rear end thereof, and a groove wall of the mounting groove 102 is provided with a penetrating opening 103 communicated with the inner cavity; referring to fig. 4, 5 and 6, the position light structure of the headlight includes a light guiding strip 10, a light guiding fixing base 20, a light guiding plate 30, a position light circuit board 40 and a heat dissipating base 50, wherein the light guiding strip 10 is formed with a light emitting section 11 and a light entering section 12 integrally connected to the bottom end of the light emitting section 11; the light guide fixing seat 20 is installed in the inner cavity of the casing 101, the light guide strip 10 is penetrated in the light guide fixing seat 20, a light outlet 201 is formed at the front end of the light guide fixing seat 20 corresponding to the light outlet section 11, the light guide fixing seat 20 is used for shading the light guide strip 10, and the light guide strip 10 emits light from the light outlet 201 to the outside through the light outlet section 11; the tail end of the light entering section 12 penetrates out of the light guide fixing seat 20, and is provided with a light guide head 13 thereon, so that the light guide head 13 penetrates into the mounting groove 102 from the penetrating opening 103; the light guide plate 30 and the position light circuit board 40 are both installed in the installation groove 102, the light guide plate 30 is arranged between the groove wall of the installation groove 102 and the position light circuit board 40, the light guide plate 30 is provided with a positioning opening 31 corresponding to the position of the penetrating opening 103, and referring to fig. 10, one surface of the position light circuit board 40 facing the light guide plate 30 is provided with a light emitting element 41 corresponding to the position of the positioning opening 31 for penetrating the light guide head 13 into the positioning opening 31, the positioning opening 31 is used for clamping and positioning the light guide head 13 in the installation groove 102, and light lighted by the light emitting element 41 is led into the light guide strip 10 from the light guide head 13; the heat dissipation base 50 is covered on the notch of the mounting groove 102, and is used for sealing the mounting groove 102 and dissipating heat from the position lamp circuit board 40.

Further, referring to fig. 7, the light guiding fixing base 20 includes a first side housing 21 and a second side housing 22, wherein the first side housing 21 and the second side housing 22 are respectively formed with a receiving groove 202, and after the first side housing 21 and the second side housing 22 are connected and assembled, the receiving grooves 202 of the first side housing 21 and the second side housing 22 are communicated to form a space for the light guiding strip 10 to pass through. In this embodiment, the groove walls of the accommodating grooves 202 of the first side housing 21 and the second side housing 22 are respectively provided with a clamping groove 203, two protruding strips 14 are oppositely protruding on two sides of the light guiding strip 10, and when the light guiding strip 10 is inserted between the first side housing 21 and the second side housing 22, the protruding strips 14 on two sides are respectively clamped in the clamping grooves 203 of the accommodating grooves 202 of the first side housing 21 and the second side housing 22, so as to fix the light guiding strip 10 in the light guiding fixing seat 20.

Further, in this embodiment, a plurality of supporting members 23 extending backward are disposed at intervals on the rear end of the light guiding fixing base 20, and the light guiding fixing base 20 is screwed and fixed with the inner cavity of the housing 101 through the supporting members 23.

Further, referring to fig. 8, the rear end of the light emitting section 11 and the rear end of a section of the light entering section 12 adjacent to the light emitting section 11 are provided with optical teeth 15, which is beneficial to light transmission.

Further, in the present embodiment, as shown in fig. 6 and fig. 9, the light guide head 13 is formed with a light guide cone 131 at the center and two positioning edges 132 disposed at the top and bottom of the light guide cone 131 in a vertically opposite manner, and the diameter of the light guide cone 131 is gradually narrowed toward the positioning opening 31; the positioning opening 31 is formed with a through opening 311 corresponding to the light guide cone 131 and bayonets 312 corresponding to the two positioning edges 132 respectively extending relatively from the top and the bottom of the through opening 311, a plurality of positioning lugs 313 are arranged on the inner wall of the through opening 311 at intervals, one surface of each positioning lug 313 facing the center of the through opening 311 is inclined, so that the caliber of the through opening 311 is gradually narrowed from the groove wall of the mounting groove 102 to the notch, the light guide cone 131 gradually penetrates into the through opening 311, and simultaneously, the two positioning edges 132 respectively penetrate into the bayonets 312, and when the positioning lugs 313 support the light guide cone 131, the positioning opening 31 clamps and positions the light guide head 13.

Further, in this embodiment, the light guiding fixing base 20 is screwed to the groove wall of the mounting groove 102, and the position lamp circuit board 40 is screwed to the front end surface of the heat dissipation base 50, so as to facilitate the removal of the position lamp circuit board 40 from the mounting groove 102.

Further, in fig. 3 and fig. 9, a first wire inlet 104 communicated with the inner cavity is formed on the groove wall of the mounting groove 102, and a second wire inlet 32 corresponding to the first wire inlet 104 is formed on the light guide fixing seat 20, so that a conductive wire positioned in the inner cavity of the housing 101 sequentially penetrates into the first wire inlet 104 and the second wire inlet 32 and is electrically connected with the position lamp circuit board 40, thereby supplying energy to the position lamp circuit board 40. In this embodiment, on the groove wall of the installation groove 102, the first wire inlet 104 is located above the penetrating opening 103.

It can be appreciated that the method for installing the position lamp structure of the headlamp comprises the following steps: the first step: the light guide strip 10 is penetrated between the first side seat shell 21 and the second side seat shell 22, so that after the first side seat shell 21 and the second side seat shell 22 are assembled to form the light guide fixing seat 20, the light guide strip 10 is fixed in the light guide fixing seat 20; secondly, the light guide fixing seat 20 is fixedly connected with the groove wall of the mounting groove 102 in a threaded manner, and the position lamp circuit board 40 is fixedly connected with the front end surface of the heat dissipation seat 50 in a threaded manner; thirdly, the light guide fixing seat 20 is fixedly connected with the inner cavity of the shell 101 in a threaded manner through the supporting piece 23, is installed in the inner cavity of the shell 101, the light guide head 13 penetrates into the positioning opening 31 after penetrating through the penetrating opening 103, and the positioning opening 31 clamps and positions the light guide head 13; fourth, the heat sink 50 is covered on the notch of the mounting groove 102, the position lamp circuit board 40 is mounted in the mounting groove 102, and the light emitting element 41 on the position lamp circuit board 40 corresponds to the position of the light guiding head 13, so that the light emitted by the light emitting element 41 can be led in from the light guiding head 13 and conducted to the light emitting section 11, and emitted from the light emitting opening 201. In addition, when the position lamp structure of the headlamp operates, heat generated by the position lamp circuit board 40 can be dissipated outwards through the heat dissipation seat 50, so that heat is prevented from being concentrated into the inner cavity of the shell 101, and heat dissipation efficiency is improved.

In summary, according to the position lamp structure of the headlamp of the present utility model, the light guide strip 10, the light guide fixing seat 20, the light guide plate 30, the position lamp circuit board 40 and the heat dissipation seat 50 are matched, so that the heat generated by the position lamp circuit board 40 can be dissipated outwards through the heat dissipation seat 50 while the housing 101 is conveniently mounted, the heat is prevented from being concentrated into the inner cavity of the housing 101, and the heat dissipation efficiency is improved.

Any combination of the various embodiments of the utility model should be considered as being within the scope of the present disclosure, as long as the inventive concept is not violated; within the scope of the technical idea of the utility model, any combination of various simple modifications and different embodiments of the technical proposal without departing from the inventive idea of the utility model should be within the scope of the utility model.

Claims

1. A position lamp structure of a head lamp, mounted on a housing (101) of the head lamp, characterized in that: the shell (101) is concavely provided with a mounting groove (102) separated from the inner cavity of the shell at the rear end of the shell, and the groove wall of the mounting groove (102) is provided with a penetrating opening (103) communicated with the inner cavity; the position lamp structure of the headlamp comprises a light guide strip (10), a light guide fixing seat (20), a light guide plate (30), a position lamp circuit board (40) and a heat dissipation seat (50), wherein the light guide strip (10) is provided with a light emitting section (11) and a light entering section (12); the light guide fixing seat (20) is arranged in the inner cavity of the shell (101), the light guide strip (10) is arranged in the light guide fixing seat (20) in a penetrating mode, and a light outlet (201) is formed at the front end of the light guide fixing seat (20) corresponding to the light outlet section (11); the tail end of the light inlet section (12) penetrates out of the light guide fixing seat (20) and is provided with a light guide head (13) thereon, and the light guide head (13) penetrates into the mounting groove (102) from the penetrating opening (103); the light guide plate (30) and the position lamp circuit board (40) are both arranged in the mounting groove (102), the light guide plate (30) is arranged between the groove wall of the mounting groove (102) and the position lamp circuit board (40), the light guide plate (30) is provided with a positioning opening (31) corresponding to the position of the penetrating opening (103), the position lamp circuit board (40) is provided with a light emitting piece (41) corresponding to the position of the positioning opening (31), the light guide head (13) penetrates into the positioning opening (31), the positioning opening (31) is used for clamping and positioning the light guide head (13) in the mounting groove (102), and light which is lighted by the light emitting piece (41) is guided into the light guide bar (10) from the light guide head (13); the heat dissipation seat (50) is arranged on the notch of the mounting groove (102) in a covering mode and is used for sealing the mounting groove (102) and dissipating heat of the position lamp circuit board (40).

2. The position lamp structure of a headlamp according to claim 1, wherein: the light guide fixing seat (20) comprises a first side seat shell (21) and a second side seat shell (22), a containing groove (202) is formed in each of the first side seat shell (21) and the second side seat shell (22), and after the first side seat shell (21) and the second side seat shell (22) are connected and assembled, the containing groove (202) of the first side seat shell (21) and the containing groove (202) of the second side seat shell (22) are communicated to form a space for the light guide strip (10) to penetrate.

3. The position lamp structure of a headlamp according to claim 2, wherein: the groove walls of the accommodating grooves (202) of the first side seat shell (21) and the second side seat shell (22) are concavely provided with clamping grooves (203), two convex strips (14) are oppositely convexly arranged on two sides of the light guide strip (10), and when the light guide strip (10) is penetrated between the first side seat shell (21) and the second side seat shell (22), the convex strips (14) on two sides of the light guide strip are respectively clamped in the clamping grooves (203) of the accommodating grooves (202) of the first side seat shell (21) and the second side seat shell (22).

4. The position lamp structure of a headlamp according to claim 1, wherein: the light guide head (13) is provided with a light guide cone column (131) positioned at the center and two positioning edges (132) which are arranged at the top and the bottom of the light guide cone column (131) in an up-down opposite mode, and the diameter of the light guide cone column (131) is gradually narrowed towards the positioning opening (31); the positioning opening (31) is provided with a through opening (311) corresponding to the light guide cone column (131) and bayonets (312) corresponding to the two positioning edges (132) respectively extend oppositely at the top and the bottom of the through opening (311), a plurality of limiting lugs (313) are arranged on the inner wall of the through opening (311) at intervals, one surface of each limiting lug (313) facing the center of the through opening (311) is inclined, the caliber of the through opening (311) gradually narrows from the groove wall of the mounting groove (102) to the notch, the light guide cone column (131) gradually penetrates into the through opening (311), the two positioning edges (132) penetrate into the bayonets (312) respectively, and the positioning opening (31) clamps and positions the light guide head (13) when the limiting lugs (313) prop against the light guide cone column (131).

5. The position lamp structure of a headlamp according to claim 1, wherein: a first wire inlet (104) communicated with the inner cavity is formed in the groove wall of the mounting groove (102), and a second wire inlet (32) corresponding to the first wire inlet (104) is formed in the light guide fixing seat (20).

6. The position lamp structure of a headlamp according to claim 1, wherein: the light guide fixing seat (20) is fixedly connected with the groove wall of the mounting groove (102) in a threaded manner.

7. The position lamp structure of a headlamp according to claim 1, wherein: the position lamp circuit board (40) is fixedly connected with the front end face of the heat radiating seat (50) in a threaded mode.

8. The position lamp structure of a headlamp according to claim 1, wherein: the rear end of the light guide fixing seat (20) is provided with a plurality of supporting pieces (23) extending backwards at intervals, and the light guide fixing seat (20) is fixedly connected with the inner cavity of the shell (101) in a threaded mode through the supporting pieces (23).

9. The position lamp structure of a headlamp according to claim 1, wherein: the rear end of the light emitting section (11) and the rear end of a section of the light entering section (12) adjacent to the light emitting section (11) are respectively provided with an optical tooth (15).