CN110285383B - Car lamp assembly with LED light guide function and vehicle with car lamp assembly - Google Patents
Car lamp assembly with LED light guide function and vehicle with car lamp assembly Download PDFInfo
- Publication number
- CN110285383B CN110285383B CN201910520352.2A CN201910520352A CN110285383B CN 110285383 B CN110285383 B CN 110285383B CN 201910520352 A CN201910520352 A CN 201910520352A CN 110285383 B CN110285383 B CN 110285383B
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- Prior art keywords
- light guide
- positioning
- circuit board
- mounting
- shell
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- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 230000000670 limiting effect Effects 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000011900 installation process Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 7
- 241001465382 Physalis alkekengi Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/29—Attachment thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
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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
- F21V15/01—Housings, e.g. material or assembling of housing parts
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/27—Attachment thereof
-
- 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
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention discloses a car lamp component with an LED light guide function and a car with the same, wherein the car lamp component comprises: a housing provided with a mounting hole penetrating in the front-rear direction; the circuit board is arranged at the rear side of the shell, is provided with a light source corresponding to the position of the mounting hole, and is provided with a positioning hole; the radiator is arranged at the rear side of the shell and connected with the shell, and the circuit board is connected with the radiator and positioned between the shell and the radiator; the light guide is formed into a column shape capable of guiding light rays emitted by the light source, one end of the light guide penetrates through the mounting hole to be connected with the circuit board, one end of the light guide is provided with a positioning part corresponding to the position of the positioning hole, and the positioning part penetrates through the mounting hole to extend into the positioning hole so as to position the light guide; and the mounting bracket is arranged on the shell to fix the light guide. The car lamp component with the LED light guide function can improve the installation accuracy between the light source and the light guide, ensure the reliable positioning between the light guide and the shell and prevent the light source from being collided in the installation process.
Description
Technical Field
The invention belongs to the technical field of car lamp manufacturing, and particularly relates to a car lamp assembly with an LED light guide function and a car with the car lamp assembly with the LED light guide function.
Background
In the design of lamps and lanterns of car, more and more host factories have put forward very high demands to the homogeneity after the car light is lighted, in the lamps and lanterns that contain LED photoconductive function, because the design influence of LED location structure can cause actual product LED and photoconductive position and design to take place the skew, influence homogeneity and light intensity of lighting a lamp greatly.
In order to ensure the installation precision between the LED and the light guide, the existing car lamp device generally adopts the direct positioning of the light guide and the circuit board, is fixed through screws, buckles or hot rivets, and is used as a light guide sub-assembly to be assembled into a lamp. However, in the design of lamps and lanterns, because of space limitation and special reasons, some lamps and lanterns have to adopt the arrangement scheme of external radiator, so that the light guide can not be directly positioned and installed with the circuit board, and only the circuit board can be assembled with the radiator to form a radiator sub-assembly, the light guide is positioned with the shell, and then the radiator sub-assembly is assembled with the shell. At this time, the external radiator and the circuit board are blindly mounted on the lamp housing, and an operator cannot see the relative position between the LED and the light guide during assembly, so how to ensure the mounting accuracy between the LED and the light guide, how to ensure the reliable positioning between the light guide and the housing, and how to prevent the LED from being collided are the problems to be solved in the present design scheme of the lamp.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art.
Therefore, the car lamp component with the LED light guide function is convenient to assemble and improves stability.
According to an embodiment of the invention, a car lamp assembly with an LED light guide function comprises: a housing provided with a mounting hole penetrating in the front-rear direction; the circuit board is arranged at the rear side of the shell, a light source corresponding to the position of the mounting hole is arranged on the circuit board, and a positioning hole is formed in the circuit board; the radiator is arranged at the rear side of the shell and is connected with the shell, and the circuit board is connected with the radiator and is positioned between the shell and the radiator; the light guide is formed into a column shape capable of guiding light rays emitted by the light source, one end of the light guide penetrates through the mounting hole to be connected with the circuit board, one end of the light guide is provided with a positioning part corresponding to the position of the positioning hole, and the positioning part penetrates through the mounting hole to extend into the positioning hole so as to position the light guide; and a mounting bracket mounted on the housing to secure the light guide.
According to the car lamp assembly with the LED light guide function, the mounting hole is formed in the shell, the circuit board is arranged on the rear side of the shell, the light source is arranged on the circuit board, the radiator is further arranged on the rear side of the shell, the circuit board is connected with the radiator and is located between the shell and the radiator, one end of the light guide penetrates through the mounting hole to be connected with the circuit board, the positioning part is arranged at one end of the light guide and is matched with the positioning hole, the light guide can be positioned, and meanwhile, the mounting bracket is further arranged on the shell and can be used for fixing the light guide. The car light assembly can improve the assembly stability of the light guide, improve the assembly efficiency, enable the light intensity of the light source to emit light to be higher and more stable, and further improve the quality of the car light.
According to one embodiment of the invention, the mounting bracket is formed into a column shape corresponding to the shape of the mounting hole, a mounting channel penetrating along the axial direction of the mounting bracket is arranged in the mounting bracket, one end of the mounting bracket is arranged on the shell body through the mounting hole, and one end of the light guide is connected with the circuit board through the mounting channel.
According to one embodiment of the invention, one end of the light guide is provided with at least two first matching parts which are arranged at intervals, one end of the mounting bracket is provided with a second matching part matched with the first matching parts, and the first matching parts penetrate through the mounting channel and are matched with the second matching parts to fix the light guide.
According to one embodiment of the invention, the first engaging portions are two and are disposed on two opposite sides of the outer peripheral surface of the light guide, each first engaging portion is formed as a protruding block protruding outwards from the outer peripheral surface of the light guide, the outer surface of each first engaging portion is formed as an arc-shaped surface, an end surface facing away from one end of the light guide is formed as a limiting surface, one end of the mounting bracket is provided with two gaps which are disposed at intervals, the second engaging portion is formed as a flexible sheet body disposed in the gaps, the distance between the free ends of the two second engaging portions is smaller than the distance between the two first engaging portions, and after the first engaging portions pass through the mounting channel, the limiting surface is stopped against the free ends of the second engaging portions.
According to one embodiment of the present invention, each of the second mating portions has a reinforcing rib provided on an outer surface thereof, and at least a portion of the reinforcing rib extends to a bottom surface of the opening.
According to one embodiment of the invention, the inner wall surface of the mounting channel is provided with at least one positioning channel extending along the axial direction of the mounting channel, and the outer wall surface of the light guide is provided with a positioning block corresponding to the positioning channel.
According to one embodiment of the invention, the two positioning channels are oppositely arranged, the two positioning blocks are arranged on the outer wall surface of the light guide, each positioning block is respectively arranged at one end of the light guide and at least one part of the positioning block exceeds the end surface of the light guide, and one end surface of each positioning block faces the circuit board and is spaced apart from the circuit board after the light guide passes through the mounting channel.
According to one embodiment of the present invention, the positioning portion is formed in a columnar shape and provided on one end face of one positioning block, and the cross-sectional area of the positioning portion is smaller than the area of one end face of the positioning block.
According to one embodiment of the invention, a gap between one end face of the positioning block and the circuit board is 0.05mm-0.25mm, and a gap between an outer peripheral face of the positioning part and an inner peripheral face of the positioning hole is 0.05mm-0.25mm.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of an assembled view of a light guide and a housing of a light assembly of a vehicle lamp having an LED light guide function according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view of an assembled view of a further angle of a lamp assembly with LED light guide in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view showing a partial structure of a housing of a lamp assembly having an LED light guide function according to an embodiment of the present invention;
FIG. 5 is a schematic view showing a partial structure of a light guide of a lamp assembly having an LED light guide function according to an embodiment of the present invention;
FIG. 6 is a schematic view showing a partial structure of an angle of a mounting bracket of a lamp assembly having an LED light guide function according to an embodiment of the present invention;
FIG. 7 is a schematic view of a partial structure of a mounting bracket of a lamp assembly with LED light guide function according to an embodiment of the present invention at still another angle;
FIG. 8 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 9 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 10 is a cross-sectional view taken along line C-C of FIG. 1;
Fig. 11 is a schematic view of a partial assembly between a light guide and a circuit board of a lamp assembly having an LED light guide function and a heat sink according to an embodiment of the present invention.
Reference numerals:
a lamp assembly 100 having an LED light guide function;
A housing 10; a mounting hole 11; a light source 12; a support portion 13;
a wiring board 20; a positioning hole 21;
A heat sink 30; a groove 31;
A light guide 40; a positioning portion 41; a first fitting portion 42; a positioning block 43;
a mounting bracket 50; a mounting channel 51; a second fitting portion 52; a reinforcing rib 53; locating the channel 54.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
A lamp assembly 100 having an LED light guide function according to an embodiment of the present invention is described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 11, a lamp assembly 100 having an LED light guide function according to an embodiment of the present invention includes: the housing 10, the wiring board 20, the heat sink 30, the light guide 40, and the mounting bracket 50.
Specifically, the housing 10 is provided with a mounting hole 11 penetrating in the front-rear direction, the circuit board 20 is provided at the rear side of the housing 10, the circuit board 20 is provided with a light source 12 corresponding to the position of the mounting hole 11, the circuit board 20 is provided with a positioning hole 21, the radiator 30 is provided at the rear side of the housing 10 and connected with the housing 10, the circuit board 20 is connected with the radiator 30 and located between the housing 10 and the radiator 30, the light guide 40 is formed in a columnar shape capable of guiding light emitted from the light source 12, one end of the light guide 40 passes through the mounting hole 11 and is connected with the circuit board 20, one end of the light guide 40 is provided with a positioning part 41 corresponding to the position of the positioning hole 21, the positioning part 41 extends into the positioning hole 21 through the mounting hole 11 to position the light guide 40, and the mounting bracket 50 is provided on the housing 10 to fix the light guide 40.
In other words, the vehicle lamp assembly 100 with the LED light guide function according to the embodiment of the present invention mainly comprises a housing 10, a circuit board 20, a heat sink 30, a light guide 40 and a mounting bracket 50, wherein the housing 10 is provided with a mounting hole 11, the mounting hole 11 penetrates in the front-rear direction, the circuit board 20 is provided at the rear side of the housing 10, and the heat sink 30 is provided at the side of the circuit board 20 facing away from the housing 10, that is, the circuit board 20 is located between the housing 10 and the heat sink 30. The circuit board 20 is provided with a light source 12, and the position of the light source 12 corresponds to the position of the mounting hole 11. The circuit board 20 is provided with a positioning hole 21, one end of the light guide 40 is provided with a positioning part 41, one end of the light guide 40 passes through the mounting hole 11, and the positioning part 41 can be matched with the positioning hole 21. During assembly, the light guide 40, the mounting bracket 50 and the shell 10 are assembled and fixed, the light source 12 is fixedly mounted on the circuit board 20, the circuit board 20 is fixed on the radiator 30 to form a radiator sub-assembly, and under the guiding and limiting effects of the positioning part 41, an operator can smoothly blindly mount the radiator sub-assembly on the shell 10, and meanwhile, reliable positioning between the light source 12 and the light guide 20 is ensured. In order to facilitate the installation and to enhance the firmness of the light guide 40, a mounting bracket 50 capable of fixing the light guide 40 is provided on the housing 10.
Thus, the vehicle lamp assembly 100 with LED light guide function according to the embodiment of the present invention employs the combination of the housing 10, the circuit board 20, the heat sink 30, the light guide 40 and the mounting bracket 50, the circuit board 20 is disposed at the rear side of the housing 10, the light source 12 is disposed on the circuit board 20, the circuit board 20 is connected with the heat sink 30 and is located between the housing 10 and the heat sink 30, the mounting hole 11 is disposed on the housing 10, the position of the light source 12 corresponds to the position of the mounting hole 11, and during assembly, the following steps can be performed: step 1, assembling and fixing the light guide 40, the mounting bracket 50 and the shell 10; step 2, fixedly mounting a light source (preferably an LED) on the circuit board 20, and fixing the circuit board 20 on the radiator 30 to form a radiator sub-assembly; step 3, assembling the radiator sub-assembly and the shell 10 together, and in the assembling process, under the guiding and limiting actions of the positioning part 41, the radiator sub-assembly passes through the positioning hole 21 to enter the groove 31, so that an operator can smoothly blindly assemble the radiator sub-assembly on the shell 10, and meanwhile, the reliable positioning between the light source 12 and the light guide 40 is ensured. It should be noted that, step 1 and step 2 are parallel steps, and the assembly process is not sequential.
Preferably, the positioning portion 41 is formed as a cylindrical pin, which improves assembly efficiency and facilitates manufacturing.
In some embodiments of the present invention, the light source 12 is an LED light source.
According to an embodiment of the present invention, the mounting bracket 50 is formed in a column shape corresponding to the shape of the mounting hole 11, the mounting bracket 50 is provided therein with the mounting passage 51 penetrating in the axial direction thereof, one end of the mounting bracket 50 is provided on the housing 10 through the mounting hole 11, and one end of the light guide 40 is connected to the circuit board 20 through the mounting passage 51, that is, the mounting bracket 50 is mounted on the housing 10 through the mounting hole 11, and then one end of the light guide 40 is extended toward the direction of the circuit board 20 through the mounting passage 51, so that the mounting stability and the firmness of the light guide 40 can be improved. The circumferential side wall of the mounting bracket 50 may have a closed structure, so that deformation of the mounting bracket during injection molding can be prevented.
As shown in fig. 4, optionally, the housing 10 has a supporting portion 13 with a convex truncated cone shape, and the supporting portion 13 is provided with the mounting hole 11 penetrating along the axial direction thereof, so as to facilitate the installation of the mounting bracket 50 and improve the installation stability. Also, the circumferential side wall of the supporting portion 13 is a closed structure for preventing the supporting portion 13 from being deformed at the time of injection molding.
Further, at least two first engaging portions 42 are provided at one end of the light guide 40 at a distance from each other, a second engaging portion 52 is provided at one end of the mounting bracket 50 to engage with the first engaging portion 42, and the first engaging portion 42 is engaged with the second engaging portion 52 through the mounting channel 51 to fix the light guide 40, so that the light guide 40 can be further fixed.
In some embodiments of the present invention, the first engaging portions 42 are two and disposed at opposite sides of the outer peripheral surface of the light guide 40, each first engaging portion 42 is formed as a protrusion protruding outward from the outer peripheral surface of the light guide 40, the outer surface of each first engaging portion 42 is formed as an arc-shaped surface and the end surface facing away from one end of the light guide 40 is formed as a limiting surface, so that it pushes the two oppositely disposed second engaging portions 52 while passing through the mounting channel 51. One end of the mounting bracket 50 is provided with two gaps which are arranged at intervals, the second matching parts 52 are formed into flexible sheet bodies arranged in the gaps, the distance between the free ends of the two second matching parts 52 is smaller than the distance between the two first matching parts 42, and after the first matching parts 42 pass through the mounting channel 51, the limiting surfaces are stopped against the free ends of the second matching parts 52.
As shown in fig. 6 and 7, further, the outer surface of each second fitting portion 52 is provided with a reinforcing rib 53, and at least a part of the reinforcing rib 53 extends to the bottom surface of the stop notch, and the reinforcing rib 53 can improve the strength and rigidity of the second fitting portion 52.
As shown in fig. 6 and 7, according to an embodiment of the present invention, the inner wall surface of the mounting channel 51 is provided with at least one positioning channel 54 extending along the axial direction thereof, the outer wall surface of the light guide 40 is provided with a positioning block 43 corresponding to the positioning channel 54, and the positioning block 43 can extend toward the direction of the circuit board 20 after passing through the positioning channel 54.
Further, the two positioning channels 54 are oppositely arranged, two positioning blocks 43 are arranged on the outer wall surface of the light guide 40, each positioning block 43 is respectively arranged at one end of the light guide 40 and at least partially exceeds the end surface of the light guide 40, and one end surface of each positioning block 43 faces the circuit board 20 and is spaced apart from the circuit board 20 after the light guide 40 passes through the mounting channel 51. Optionally, the two positioning blocks 43 are symmetrically distributed, so that the positioning stability is further improved, and the processing difficulty is reduced.
It should be noted that, when the radiator subassembly is assembled to the housing 10, the positioning block 43 may press the circuit board 20.
Preferably, the positioning portion 41 is formed in a columnar shape and is disposed on an end surface of one positioning block 43, and the cross-sectional area of the positioning portion 41 is smaller than the area of the end surface of the positioning block 43, which has the effects of compact structure, reduced space occupied by the structure, and the like.
In some embodiments of the present invention, the grooves 31 for avoiding the light guide 40 are formed on the heat sink 30, so that the problem that the light guide 40 is always located at a design position matched with the LED light source when the external heat sink 30 and the circuit board 20 are blindly mounted on the housing 10 of the lamp is effectively solved, the light is emitted more uniformly, and meanwhile, the LEDs are not collided when an operator assembles the lamp.
Alternatively, the clearance between the end face of one end of the positioning block 43 and the wiring board 20 is 0.05mm to 0.25mm, and the clearance between the outer peripheral surface of the positioning portion 41 and the inner peripheral surface of the positioning hole 21 is 0.05mm to 0.25mm, so that interference between the deformed light guide 40 and the wiring board 20 can be prevented.
Preferably, the clearance between the one end surface of the positioning block 43 and the wiring board 20 is 0.1mm, and the clearance between the outer peripheral surface of the positioning portion 41 and the inner peripheral surface of the positioning hole 21 is 0.2mm.
In summary, the vehicle lamp assembly 100 with LED light guide function according to the embodiment of the present invention adopts the combination of the housing 10, the circuit board 20, the heat sink 30, the light guide 40 and the mounting bracket 50, and has the following advantages:
(1) Improving the fitting stability of the light guide 40;
(2) Through limiting between the positioning part 41 on the light guide 40 and the circuit board 20, and meanwhile, the groove 31 avoiding the positioning part 41 is arranged on the radiator 30, the problem that when the external radiator 30 and the circuit board 20 are blindly arranged on the shell 10 of the lamp, the light guide 40 is always positioned at a design position matched with the LED, the light emission is more uniform, and meanwhile, the LED cannot be collided when an operator assembles;
(3) The luminous light intensity of the car lamp is higher and more stable;
(4) The luminous efficiency of the car lamp is improved;
(5) The quality of the car lamp is improved.
The vehicle according to the second aspect of the present invention includes the lamp assembly 100 with the LED light guide function according to the above-described embodiment, and since the lamp assembly 100 with the LED light guide function according to the embodiment of the present invention has the above-described technical effects, the vehicle according to the embodiment of the present invention also has the corresponding technical effects, that is, the fixing reliability and the mounting efficiency can be effectively improved.
Other structures and operations of the vehicle according to the embodiments of the present invention are understood and readily implemented by those skilled in the art, and thus will not be described in detail.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (3)
1. A vehicle lamp assembly having an LED light guide function, comprising:
a housing provided with a mounting hole penetrating in the front-rear direction;
the circuit board is arranged at the rear side of the shell, a light source corresponding to the position of the mounting hole is arranged on the circuit board, and a positioning hole is formed in the circuit board;
The radiator is arranged at the rear side of the shell and is connected with the shell, and the circuit board is connected with the radiator and is positioned between the shell and the radiator;
The light guide is formed into a column shape capable of guiding light rays emitted by the light source, one end of the light guide penetrates through the mounting hole to be connected with the circuit board, one end of the light guide is provided with a positioning part corresponding to the position of the positioning hole, and the positioning part penetrates through the mounting hole to extend into the positioning hole so as to position the light guide;
A mounting bracket mounted on the housing to secure the light guide;
The mounting bracket is formed into a column shape corresponding to the shape of the mounting hole, a mounting channel which is penetrated along the axial direction of the mounting bracket is arranged in the mounting bracket, one end of the mounting bracket is arranged on the shell body through the mounting hole, and one end of the light guide is connected with the circuit board through the mounting channel;
one end of the light guide is provided with at least two first matching parts which are arranged at intervals, one end of the mounting bracket is provided with a second matching part which is matched with the first matching part, and the first matching part passes through the mounting channel to be matched with the second matching part so as to fix the light guide;
The first matching parts are two and are arranged on two opposite sides of the outer peripheral surface of the light guide, each first matching part is respectively formed into a convex block protruding out of the outer peripheral surface of the light guide and extends outwards, the outer surface of each first matching part is formed into an arc-shaped surface, and the end surface facing away from one end of the light guide is formed into a limiting surface;
The mounting bracket comprises a mounting channel, a first matching part, a second matching part, a limiting surface and a connecting part, wherein one end of the mounting bracket is provided with two gaps which are arranged at intervals, the second matching part is formed into a flexible sheet body arranged in the gaps, the distance between the free ends of the two second matching parts is smaller than the distance between the two first matching parts, and after the first matching parts pass through the mounting channel, the limiting surface is stopped against the free ends of the second matching parts;
Reinforcing ribs are respectively arranged on the outer surface of each second matching part, and at least one part of the reinforcing ribs extends to the bottom surface of the opening;
The inner wall surface of the installation channel is provided with at least one positioning channel extending along the axial direction of the installation channel, and the outer wall surface of the light guide is provided with a positioning block corresponding to the positioning channel;
the two positioning channels are oppositely arranged, two positioning blocks are arranged on the outer wall surface of the light guide, each positioning block is respectively arranged at one end of the light guide, at least one part of each positioning block exceeds the end surface of the light guide, and one end surface of each positioning block faces the circuit board and is spaced apart from the circuit board after the light guide passes through the mounting channel;
The positioning part is columnar and is arranged on one end face of the positioning block, and the cross-sectional area of the positioning part is smaller than the area of one end face of the positioning block.
2. The lamp module with the LED light guide function according to claim 1, wherein a gap between an end face of the positioning block and the wiring board is 0.05mm to 0.25mm, and a gap between an outer peripheral surface of the positioning portion and an inner peripheral surface of the positioning hole is 0.05mm to 0.25mm.
3. A vehicle comprising a lamp assembly according to any one of claims 1-2 having LED light guide functionality.
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| CN201910520352.2A CN110285383B (en) | 2019-06-17 | 2019-06-17 | Car lamp assembly with LED light guide function and vehicle with car lamp assembly |
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| CN110285383A CN110285383A (en) | 2019-09-27 |
| CN110285383B true CN110285383B (en) | 2024-04-26 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728496A (en) * | 2019-10-28 | 2021-04-30 | 深圳市绎立锐光科技开发有限公司 | Light source device and lamp |
| CN111189033B (en) * | 2020-03-11 | 2023-08-25 | 常州星宇车灯股份有限公司 | Car light subassembly and have its vehicle convenient to assembly |
| EP4257876A4 (en) * | 2020-12-01 | 2024-06-12 | Ichikoh Industries, Ltd. | Light-guiding body fixation structure and vehicle lamp |
| CN114234125A (en) * | 2021-11-10 | 2022-03-25 | 马瑞利汽车零部件(芜湖)有限公司 | Light guide structure mounting adapter and car lamp thereof |
| CN114992576B (en) * | 2022-06-20 | 2023-06-27 | 江苏恒瑞车灯有限公司 | Car car light conduction device and car light |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1610054A2 (en) * | 2004-06-23 | 2005-12-28 | Osram Sylvania Inc. | LED lamp with central optical light guide |
| CN204629306U (en) * | 2015-05-26 | 2015-09-09 | 上海小糸车灯有限公司 | The location structure of a kind of car light LED and photoconduction |
| EP3073182A1 (en) * | 2015-03-23 | 2016-09-28 | Valeo Iluminacion | Light module for motor vehicle comprising two light guides and a radiator comprising two mounting surfaces |
| CN106122871A (en) * | 2016-08-19 | 2016-11-16 | 上海小糸车灯有限公司 | A kind of photoconduction light-distribution LED protective cover structure and photoconduction luminous intensity distribution automobile lamp thereof |
| CN209926254U (en) * | 2019-06-17 | 2020-01-10 | 常州星宇车灯股份有限公司 | Vehicle lamp assembly with LED light guide function and vehicle with vehicle lamp assembly |
| CN111189033A (en) * | 2020-03-11 | 2020-05-22 | 常州星宇车灯股份有限公司 | Car light subassembly and vehicle that has it convenient to assembly |
-
2019
- 2019-06-17 CN CN201910520352.2A patent/CN110285383B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1610054A2 (en) * | 2004-06-23 | 2005-12-28 | Osram Sylvania Inc. | LED lamp with central optical light guide |
| EP3073182A1 (en) * | 2015-03-23 | 2016-09-28 | Valeo Iluminacion | Light module for motor vehicle comprising two light guides and a radiator comprising two mounting surfaces |
| CN204629306U (en) * | 2015-05-26 | 2015-09-09 | 上海小糸车灯有限公司 | The location structure of a kind of car light LED and photoconduction |
| CN106122871A (en) * | 2016-08-19 | 2016-11-16 | 上海小糸车灯有限公司 | A kind of photoconduction light-distribution LED protective cover structure and photoconduction luminous intensity distribution automobile lamp thereof |
| CN209926254U (en) * | 2019-06-17 | 2020-01-10 | 常州星宇车灯股份有限公司 | Vehicle lamp assembly with LED light guide function and vehicle with vehicle lamp assembly |
| CN111189033A (en) * | 2020-03-11 | 2020-05-22 | 常州星宇车灯股份有限公司 | Car light subassembly and vehicle that has it convenient to assembly |
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