WO2015180547A1 - 一种用于汽车车灯的光传导装置及汽车车灯 - Google Patents

一种用于汽车车灯的光传导装置及汽车车灯 Download PDF

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Publication number
WO2015180547A1
WO2015180547A1 PCT/CN2015/077375 CN2015077375W WO2015180547A1 WO 2015180547 A1 WO2015180547 A1 WO 2015180547A1 CN 2015077375 W CN2015077375 W CN 2015077375W WO 2015180547 A1 WO2015180547 A1 WO 2015180547A1
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WO
WIPO (PCT)
Prior art keywords
screw
pressing mechanism
elastic pressing
boss
mounting hole
Prior art date
Application number
PCT/CN2015/077375
Other languages
English (en)
French (fr)
Inventor
张洁
Original Assignee
上海小糸车灯有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201410226360.3A external-priority patent/CN104071071B/zh
Priority claimed from CN201420273534.7U external-priority patent/CN203888690U/zh
Application filed by 上海小糸车灯有限公司 filed Critical 上海小糸车灯有限公司
Priority to PCT/CN2015/077375 priority Critical patent/WO2015180547A1/zh
Priority to DE112015002499.9T priority patent/DE112015002499B4/de
Priority to US15/311,044 priority patent/US10036536B2/en
Publication of WO2015180547A1 publication Critical patent/WO2015180547A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/068—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle by mechanical means
    • B60Q1/0683—Adjustable by rotation of a screw
    • 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
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • 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
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/19—Attachment of light sources or lamp holders
    • F21S43/195—Details of lamp holders, terminals or connectors
    • 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
    • F21S43/235—Light guides
    • F21S43/242—Light guides characterised by the emission area
    • F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
    • 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
    • F21S43/247—Light guides with a single light source being coupled into the light guide
    • 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
    • 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
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0035—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources the fastening means being capable of simultaneously attaching of an other part, e.g. a housing portion or an optical component
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0055—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by screwing
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/0006—Coupling light into the fibre
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/0008—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted at the end of the fibre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2200/00—Special features or arrangements of vehicle headlamps
    • B60Q2200/30—Special arrangements for adjusting headlamps, e.g. means for transmitting the movements for adjusting the lamps
    • B60Q2200/36—Conjoint adjustments, i.e. a mechanical link allows conjoint adjustment of several units
    • 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
    • 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]

Definitions

  • the invention relates to the technical field of automobiles, in particular to a light transmission device for automobile headlights and an automobile lamp.
  • the light guide in automobile headlights is generally about 8mm in diameter, with a solid plastic round tube of a certain length, and also has other cross-sectional shape light guides, such as square.
  • a light source is arranged at the end of the light guide, and the light emitted by the light source is emitted into the light guide from the end of the light guide, and then propagates inside the light guide by total reflection. Since the distance and position of the light source and the end face of the light guide directly affect the amount of light emitted by the light source into the light guide, it is necessary to accurately control the distance between the light source and the end face of the light guide to ensure a stable light-emitting effect of the light guide.
  • the conventional installation method is to fix the light guide and the components including the light source and the fixing bracket respectively, and usually there is a connection between the plurality of fixing brackets. Due to the accuracy of the part itself and the cumulative error caused by multiple assembly, it is difficult to control the distance and position of the end face of the light guide from the light source.
  • the commonly used light guide installation method is shown in Figure 1.
  • the light guide is inserted into the mounting bracket to the contact surface and fixed by elastic undercuts. That is, when the light guide is inserted, the elastic buckle is deformed and opened, and when the light guide is inserted into the contact surface, the elastic buckle is returned to the natural state to form a fixing to the light guide.
  • the object of the present invention is to provide a light-conducting device for an automobile lamp and an automobile lamp.
  • the invention provides a screw-in type elastic pressing mechanism, which can precisely control the distance between the light source and the end face of the light guide, and is used for solving Due to the poor positioning of the light guide, the existing installation method may not be able to deviate the distance between the end face of the light guide and the light source, thereby affecting the lighting effect of the lamp.
  • the solution of the present invention is: a light-conducting device for an automobile lamp, comprising a light guide, a light source assembly and a fixing bracket, and a screw-in type elastic pressing mechanism, the screw-in type elastic pressing
  • the mechanism is provided with a first mounting hole that is matched with the light guide.
  • the light guide is provided with a first boss.
  • the inner side wall of the first mounting hole is provided with a guiding groove that cooperates with the first boss for guiding the light guide through the protrusion.
  • the mating of the table and the guiding slot is inserted into the first mounting hole, and the corresponding position of the first mounting hole is further provided with a fixing card slot that cooperates with the first boss, and the light guide is made by rotating the screw-in elastic pressing mechanism
  • the first boss is inserted into the fixing slot to fix the light guide and the screw-in elastic pressing mechanism
  • the fixing bracket is provided with a second mounting hole that cooperates with the screw-in elastic pressing mechanism, and a second boss is disposed on an outer side of one end of the screw-in elastic pressing mechanism, and the second mounting hole
  • the inner side wall is provided with a through hole that cooperates with the second boss, and the screw-in type elastic pressing mechanism passes through the second mounting hole through the cooperation of the second boss and the through hole, and is elastically pressed by the rotary screwing type.
  • the mechanism is such that the second boss is stuck at the edge of the end surface of the second mounting hole, and the screw-in elastic pressing mechanism is restricted from coming out of the second mounting hole, and the contact surface of the fixing bracket and the second boss is provided with a finite position boss. For blocking the second boss when rotating, limiting the rotational offset of the screw-in elastic pressing mechanism;
  • the other end of the screw-in elastic pressing mechanism is symmetrically disposed with two arc-shaped elastic pieces, and the two elastic pieces are respectively provided with a limiting protrusion, and the second mounting hole is in contact with the elastic piece.
  • the end surface is provided with a groove that cooperates with the limiting protrusion.
  • the light source assembly is fixedly mounted to the fixing bracket, and is pressed by the elastic force of the elastic piece and the contact surface of the screw-in elastic pressing mechanism.
  • the screw-in type elastic pressing mechanism is provided with a card holder provided with a protrusion on the outer side of the end surface of one end of the elastic piece for rotating the screw-in elastic pressing mechanism Post positioning.
  • the screw-in type elastic pressing mechanism is provided with a positioning pin hole for fixing to the light source assembly, and the light source assembly is provided with the positioning pin for Locating pins with holes.
  • the fixing bracket and the light source assembly are fixedly mounted by screws.
  • the first boss and the second boss are provided.
  • the invention also provides an automobile lamp, comprising a light-conducting device, the light-conducting device comprising a light guide, a light source assembly and a fixing bracket, characterized by further comprising a screw-in elastic pressing mechanism, the screw-in type
  • the elastic pressing mechanism is provided with a first mounting hole that is matched with the light guide.
  • the light guide is provided with a first boss.
  • the inner side wall of the first mounting hole is provided with a guiding groove that cooperates with the first boss for making
  • the light guide is inserted into the first mounting hole through the cooperation of the first boss and the guiding slot, and the corresponding position of the first mounting hole is further provided with a fixing card slot that cooperates with the first boss, and the screw-in elastic pressure is rotated.
  • a tightening mechanism wherein the light guide is inserted into the fixing card slot through the first boss to realize fixing of the light guide and the screw-in elastic pressing mechanism;
  • the fixing bracket is provided with a second mounting hole that cooperates with the screw-in elastic pressing mechanism, and a second boss is disposed on an outer side of one end of the screw-in elastic pressing mechanism, and the second mounting hole
  • the inner side wall is provided with a through hole that cooperates with the second boss, and the screw-in type elastic pressing mechanism passes through the second mounting hole through the cooperation of the second boss and the through hole, and is elastically pressed by the rotary screwing type.
  • the mechanism is such that the second boss is stuck at the edge of the end surface of the second mounting hole, and the screw-in elastic pressing mechanism is restricted from coming out of the second mounting hole, and the contact surface of the fixing bracket and the second boss is provided with a finite position boss. For blocking the second boss when rotating, limiting the rotational offset of the screw-in elastic pressing mechanism;
  • the other end of the screw-in elastic pressing mechanism is symmetrically disposed with two arc-shaped elastic pieces, and the two elastic pieces are respectively provided with a limiting protrusion, and the second mounting hole is in contact with the elastic piece.
  • the end surface is provided with a groove that cooperates with the limiting protrusion.
  • the light source assembly is fixedly mounted to the fixing bracket, and is pressed by the elastic force of the elastic piece and the contact surface of the screw-in elastic pressing mechanism.
  • the screw-in type elastic pressing mechanism is provided with a card holder provided with a protrusion on the outer side of the end surface of one end of the elastic piece for rotating the screw-in elastic pressing mechanism Post positioning.
  • the screw-in type elastic pressing mechanism is provided with a positioning pin hole for fixing to the light source assembly, and the light source assembly is provided with the positioning pin for Locating pins with holes.
  • the fixing bracket and the light source assembly are fixedly mounted by screws.
  • the first boss and the second boss are provided.
  • the invention achieves the beneficial effects that the invention provides a screw-in elastic pressing mechanism between the light guide and the light source assembly, and the elastic force of the two elastic pieces ensures the mounting surface of the screw-in elastic pressing mechanism and the light source assembly.
  • the contact makes the screw-in elastic pressing mechanism drive the light guide and the mounting surface of the light source assembly to be compacted, which solves the current common installation method because a small amount of turbulence occurs after the light guide is assembled, resulting in a certain distance between the light guide and the LED light source.
  • Range bias The problem of the difference is that the installation manner of the invention ensures the spacing and position of the end face of the light guide and the light source, so that the illumination effect of the lamp is more stable.
  • FIG. 1 is a schematic view showing a conventional light guide mounting method
  • FIG. 2 is a schematic structural view of a light-conducting device of the present invention.
  • Figure 3 is an exploded view of the light-conducting device of the present invention.
  • Figure 4 is an exploded view of the light-conducting device of the present invention.
  • Figure 5 is a front elevational view of the light-conducting device of the present invention.
  • Figure 6 is a cross-sectional view along line A-A of the light-conducting device of the present invention.
  • Figure 7 is a cross-sectional view taken along line B-B of the light-conducting device of the present invention.
  • the light-conducting device of the present embodiment includes a screw-in type elastic pressing mechanism 1, a fixing bracket 2, a light guide 3, and a light source assembly 4.
  • the screw-in type elastic pressing mechanism 1 is provided with a first mounting hole that is fitted to the light guide 3, and the light guide is inserted into the screw-in type elastic pressing mechanism 1 through the first mounting hole.
  • the fixing bracket 2 is provided with a second mounting hole that cooperates with the screw-in elastic pressing mechanism 1.
  • One end of the screw-in elastic pressing mechanism 1 passes through the second mounting hole, and after being rotated, is guided by the light guide.
  • the first boss is disposed to be fixed with the fixing slot provided in the first mounting hole, and the other end of the screw-in elastic pressing mechanism 1 is fixed to the light source assembly 4 by the positioning pin, and the light source assembly 4 is screwed
  • the fixing bracket 2 is fixed.
  • the screw-in type elastic pressing mechanism 1 of the present embodiment is provided with three second bosses 1a, two elastic pieces 1b, a guide groove 1c, a fixed card slot 1d, and two positioning pin holes 1e.
  • the light guide 3 is provided with two first bosses 3a for fixing the light guide 3.
  • the first boss 3a is engaged with the fixed card slot 1d to fix the light guide and the screw-in elastic pressing mechanism 1.
  • the guide groove 1c is slightly larger in size than the outer shape of the first boss 3a, and the light guide 3 is inserted into the screw-in type screw-type elastic pressing mechanism 1 by the cooperation of the first boss 3a and the guide groove 1c.
  • the inside of the first mounting hole on the fixing bracket 2 is provided with a through hole 2a.
  • the size of the through hole 2a is slightly larger than the outer dimensions of the three second bosses 1a, and the screw-in type elastic pressure
  • the fastening mechanism 1 passes through the second mounting hole by the cooperation of the three second bosses 1a and the through holes 2a.
  • the screw-in elastic pressing mechanism 1 is rotated to make the first boss 3a
  • the card is inserted into the fixed card slot 1d to fix the light guide and the screw-in type elastic pressing mechanism 1.
  • the second boss 1a is caught at the edge of the first mounting hole, and the screw-in elastic pressing mechanism 1 is caught on the fixing bracket 2 through the second boss 1a, thereby preventing the screw-in elastic pressing mechanism 1 from the fixing bracket. Out of the mounting hole.
  • a finite-position boss is disposed on the contact surface of the fixing bracket and the first boss 3a for blocking the first boss 3a when the screw-in elastic pressing mechanism 1 rotates, and restricting the rotation of the screw-in elastic pressing mechanism 1 Offset.
  • the two arc-shaped elastic pieces 1b disposed on the screw-in elastic pressing mechanism 1 are provided with finite protrusions, and the second mounting holes are provided on the end faces of the elastic pieces 1b. a groove matching the limiting protrusion, after the screw-in elastic pressing mechanism 1 passes through the second mounting hole, the limiting protrusion is located in the groove, and is rotated by the screw-in elastic pressing mechanism.
  • the limiting protrusion slides out of the groove, so that the direction of the rotary-type elastic pressing mechanism 1 driving the light guiding light source assembly is offset by a set distance, and the contact surface of the limiting protrusion of the elastic piece 1d and the second mounting hole 2c contact.
  • the screw-in type elastic pressing mechanism 1 of the present embodiment is provided with a card holder provided with a protrusion on the outer side of one end surface of the elastic piece, and is used for positioning after the screw-in elastic pressing mechanism is rotated into position, and finally realizes the screw-in rotation.
  • the in-line elastic pressing mechanism 1 is fixed to the fixing bracket 2.
  • the light source assembly 4 is provided with a light source 4b, two positioning pins 4a and four screws 5, and the positioning pin 4a cooperates with two positioning pin holes 1e on the screw-in elastic pressing mechanism 1, and the light source assembly and the screw-in type elastic
  • the pressing mechanism is fixed to prevent the offset of the screw-in elastic pressing mechanism 1 after positioning.
  • the light source assembly 4 is fixedly mounted to the fixing bracket 2 by four screws 5, and when the light source assembly 4 is fixed to the fixing bracket 2, the mounting surface 4c of the light source assembly 4 is in contact with the mounting surface 3f of the screw-in elastic pressing mechanism 1, and The screw-in elastic pressing mechanism is moved together with the light guide to move away from the light source in the A direction, so that the two elastic pieces 1b are deformed to generate an elastic force, so that the screw-in elastic pressing mechanism drives the light guide and the light source assembly to be pressed.
  • the assembly process of the light-conducting device of the present invention is:
  • the light guide 3 is provided with one end of the first boss 3a passing through the second mounting hole along the A direction, and then the screw-in elastic pressing mechanism 1 is moved in the opposite direction to the second mounting hole, and the light guide 3 passes through the first boss 3a cooperates with the guiding groove 1c, inserts the screw-in elastic pressing mechanism, and the screw-in elastic pressing mechanism passes through the cooperation of the first boss and the through hole 2a, and drives the light guide 3 to pass in the opposite direction to the A direction.
  • Second mounting hole is provided with one end of the first boss 3a passing through the second mounting hole along the A direction
  • the screw-in type elastic pressing mechanism is rotated to cause the two first bosses 3a to be caught by the fixing card slots 1d, so that the screw-in type elastic pressing mechanism 1 and the light guide 3 are fixed.
  • the screw-in elastic pressing mechanism 1 drives the light guides to shift the set distance to the direction of the light source assembly, and the limiting protrusion of the elastic piece 1d contacts the contact surface 2c of the second mounting hole to generate a certain amount of deformation, three
  • the second boss 1a catches the second mounting hole of the fixing bracket 2, and prevents the screw-in elastic pressing mechanism 1 from coming off the fixing bracket 2, thereby realizing the fixing of the fixing bracket 2 and the screw-in elastic pressing mechanism 1.
  • the two positioning pins 4a of the light source unit 4 are inserted into the two positioning pin holes 1e of the screw-in type elastic pressing mechanism 1, and are fixed to the fixing bracket 2 by the four screws 5.
  • the screw-in elastic pressing mechanism rotates, the elastic force of the elastic piece shifts the screw-in elastic pressing mechanism 1 and the light guide 3 by a certain distance in the A direction.
  • the light source assembly 4 and the fixing bracket 2 are fixed, the light source assembly
  • the mounting surface 4c is in contact with the mounting surface 3f of the screw-in elastic pressing mechanism 1, and pushes the screw-in elastic pressing mechanism 1 together with the light guide 3 in the opposite direction of the A direction to deform the two elastic pieces 1b to generate elasticity.
  • the force causes the screw-in elastic pressing mechanism 1 to be pressed together with the light guide 3 and the light source assembly 4.
  • the light source assembly Due to the elastic action of the elastic piece, when the light source assembly is mounted, the light source assembly only pushes the elastic piece to be deformed, and the screw-in elastic pressing mechanism and the light guide do not deviate from the light source, and because of the screw-in type elastic pressing mechanism 1 When the rotation is performed, it has been shifted to the direction of the light source assembly by a set distance.
  • the screw-in elastic pressing mechanism 1 is pushed to drive the light guide 3 together slightly away from the light source, It also does not affect the spacing and position between the end face of the light guide and the light source, so that the distance and position of the end face of the light guide and the light source are ensured.
  • the automobile lamp in this embodiment includes a light-conducting device which is the same as the above-described embodiment of the light-conducting device for the automobile lamp, and will not be described herein.
  • the invention provides a screw-in elastic pressing mechanism between the light guide and the light source assembly, and utilizes the elastic force of the two elastic pieces to ensure that the screw-in elastic pressing mechanism is in contact with the mounting surface of the light source assembly, so that the screw-in type is elastic
  • the pressing mechanism drives the light guide and the mounting surface of the light source assembly to be compacted, and solves the problem that the current common installation method has a certain range of deviation between the light guide and the LED light source due to a small amount of turbulence after the light guide is assembled.
  • the installation method ensures the distance and position of the end face of the light guide and the light source, so that the illumination effect of the lamp is more stable.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Planar Illumination Modules (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

一种用于汽车车灯的光传导装置及汽车车灯，光传导装置包括光导（3）、光源组件（4）、固定支架（2）以及旋入式弹性压紧机构（1），光源组件（4）设置在光导（3）的端部，固定支架（2）用于固定光源组件（4）和光导（3），固定支架（2）上设置有与旋入式弹性压紧机构（1）配合的安装孔，旋入式弹性压紧机构（1）的一端穿过安装孔与光导（3）固定安装；旋入式弹性压紧机构（1）的另一端与光源组件（4）固定安装，且该另一端的端部外侧设置有弹性片（1b），旋入式弹性压紧机构（1）与固定支架（2）通过所述的弹性片（1b）固定；光源组件（4）与固定支架（2）固定安装，通过弹性片（1b）的弹性力使旋入式弹性压紧机构（1）与光源组件（4）的安装面（4c）压紧。解决现有的安装方式无法精确控制光导（3）端面与光源组件（4）的距离及位置、光导（3）发光效果差的问题。

Description

一种用于汽车车灯的光传导装置及汽车车灯 技术领域
本发明涉及汽车技术领域，具体是一种用于汽车车灯的光传导装置及汽车车灯。
背景技术
汽车车灯中的光导一般为直径8mm左右，具有一定长度的塑料实心圆管，也有其他截面形状的光导，如方形。在光导端部设有光源，光源发出的光线由光导端部射入光导内部后，通过全反射在光导内部传播。由于光源与光导端面的距离及位置直接影响到光源所发出光线进入光导内部的多少，所以需要精确控制光源与光导端面的距离，以确保光导具有稳定的发光效果。
传统的安装方式是分别将光导及包括光源在内的组件与固定支架固定，通常情况下存在多个固定支架之间的连接。由于零件自身的精度，加上多道装配所导致的累积误差，很难控制好光导端面与光源的距离及位置。
目前常用的光导安装方式如图1所示，光导插入安装支架至接触面，通过弹性倒扣进行固定。即光导插入时，弹性倒扣变形并张开，光导插入至接触面时，弹性倒扣回复至自然状态，形成对光导的固定。
这种安装方式的缺陷在于：
(1)由于光导自身具有弹性，装配时很难压入到位。
(2)一般设有2至3个弹性倒扣，以实现稳定的固定，这就导致很难判定是否所有的卡扣都安装到位，即某一个卡扣卡住光导后，其余卡扣是否卡住光导很难判定。
(3)为了便于装配，一般卡扣与光导的凸台会留少量的间隙，导致光导定位不良，即光导装配到位后还有少量的窜动，致使光导与LED光源间的间距存在一定范围的偏差。
发明内容
本发明的目的是提供一种用于汽车车灯的光传导装置及汽车车灯，本发明设置了一个旋入式弹性压紧机构，能精确控制光源与光导端面之间的距离，用以解决现有的安装方式由于光导定位不良，导致无法光导端面与光源之间的间距存在偏差，从而影响车灯发光效果的问题。
为实现上述目的，本发明的方案是：一种用于汽车车灯的光传导装置，包括光导、光源组件以及固定支架，还包括旋入式弹性压紧机构，所述旋入式弹性压紧机构设有与光导配合安装的第一安装孔，所述光导上设置有第一凸台，所述第一安装孔内侧壁设有与第一凸台配合的导向槽，用于使光导通过凸台与导向槽的配合插入第一安装孔中，所述第一安装孔的相应位置还设有与所述第一凸台配合的固定卡槽，通过旋转旋入式弹性压紧机构，使光导通过第一凸台卡入固定卡槽中，实现光导与旋入式弹性压紧机构的固定；
所述的固定支架上设置有与所述旋入式弹性压紧机构配合的第二安装孔，所述旋入式弹性压紧机构一端的外侧设置有第二凸台，所述第二安装孔内侧壁设有与第二凸台配合的过孔，所述旋入式弹性压紧机构通过第二凸台与过孔的配合穿过所述第二安装孔，通过旋转旋入式弹性压紧机构，使第二凸台卡在第二安装孔端面的边缘，限制旋入式弹性压紧机构脱出第二安装孔，所述固定支架与第二凸台的接触面上设置有限位凸台，用于旋转时挡住第二凸台，限制旋入式弹性压紧机构的旋转偏移；
所述旋入式弹性压紧机构的另一端对称设置有两个圆弧形的弹性片，所述的两个弹性片上均设置有限位凸起，所述第二安装孔与弹性片接触的一端端面设有与所述限位凸起配合的凹槽，旋入式弹性压紧机构穿过第二安装孔后，所述的限位凸起位于凹槽中，通过旋转旋入式弹性压紧机构，所述限位凸起滑出凹槽，使旋入式弹性压紧机构带动光导向光源组件的方向偏移设定距离；
所述的光源组件与固定支架固定安装，通过所述弹性片的弹性力与旋入式弹性压紧机构的接触面压紧。
根据本发明所述的光传导装置，进一步地，所述的旋入式弹性压紧机构设有弹性片的一端的端面外侧设置有凸起的卡台，用于旋入式弹性压紧机构旋转后的定位。
根据本发明所述的光传导装置，进一步地，所述的旋入式弹性压紧机构设置有用于与光源组件固定的定位销孔，所述的光源组件上设置有用于与所述的定位销孔配合的定位销。
根据本发明所述的光传导装置，进一步地，所述的固定支架与光源组件通过螺钉固定安装。
根据本发明所述的光传导装置，进一步地，所述的第一凸台和第二凸台至少设置有两个。
本发明还提供了一种汽车车灯，包括光传导装置，所述的光传导装置包括光导、光源组件以及固定支架，其特征在于：还包括旋入式弹性压紧机构，所述旋入式弹性压紧机构设有与光导配合安装的第一安装孔，所述光导上设置有第一凸台，所述第一安装孔内侧壁设有与第一凸台配合的导向槽，用于使光导通过第一凸台与导向槽的配合插入第一安装孔中，所述第一安装孔的相应位置还设有与所述第一凸台配合的固定卡槽，通过旋转旋入式弹性压紧机构，使光导通过第一凸台卡入固定卡槽中，实现光导与旋入式弹性压紧机构的固定；
所述的固定支架上设置有与所述旋入式弹性压紧机构配合的第二安装孔，所述旋入式弹性压紧机构一端的外侧设置有第二凸台，所述第二安装孔内侧壁设有与第二凸台配合的过孔，所述旋入式弹性压紧机构通过第二凸台与过孔的配合穿过所述第二安装孔，通过旋转旋入式弹性压紧机构，使第二凸台卡在第二安装孔端面的边缘，限制旋入式弹性压紧机构脱出第二安装孔，所述固定支架与第二凸台的接触面上设置有限位凸台，用于旋转时挡住第二凸台，限制旋入式弹性压紧机构的旋转偏移；
所述旋入式弹性压紧机构的另一端对称设置有两个圆弧形的弹性片，所述的两个弹性片上均设置有限位凸起，所述第二安装孔与弹性片接触的一端端面设有与所述限位凸起配合的凹槽，旋入式弹性压紧机构穿过第二安装孔后，所述的限位凸起位于凹槽中，通过旋转旋入式弹性压紧机构，所述限位凸起滑出凹槽，使旋入式弹性压紧机构带动光导向光源组件的方向偏移设定距离；
所述的光源组件与固定支架固定安装，通过所述弹性片的弹性力与旋入式弹性压紧机构的接触面压紧。
根据本发明所述的光传导装置，进一步地，所述的旋入式弹性压紧机构设有弹性片的一端的端面外侧设置有凸起的卡台，用于旋入式弹性压紧机构旋转后的定位。
根据本发明所述的光传导装置，进一步地，所述的旋入式弹性压紧机构设置有用于与光源组件固定的定位销孔，所述的光源组件上设置有用于与所述的定位销孔配合的定位销。
根据本发明所述的光传导装置，进一步地，所述的固定支架与光源组件通过螺钉固定安装。
根据本发明所述的光传导装置，进一步地，所述的第一凸台和第二凸台至少设置有两个。
本发明的目的还在于提供一种光传导装置的安装方法，包括如下步骤：
(1)将光导设有第一凸台的一端穿过第二安装孔，再将旋入式弹性压紧机构1沿相反方向移向第二安装孔，同时光导通过第一凸台与导向槽的配合，插入旋入式弹性压紧机构，并将旋入式弹性压紧机构通过第一凸台与过孔的配合，带动光导穿过第二安装孔；
(2)旋转旋入式弹性压紧机构，使第一凸台卡住固定卡槽，使旋转旋入式弹性压紧机构与光导固定；同时，旋入式弹性压紧机构带动光导一起向光源组件的方向偏移设定距离，弹性片的限位凸起与第二安装孔的接触面接触产生一定量的变形，三个第二凸台卡住固定支架的第二安装孔，防止旋入式弹性压紧机构脱出固定支架，实现固定支架与旋入式弹性压紧机构的固定；
(3)将光源组件的两个定位销插入旋入式弹性压紧机构的两个定位销孔内，并通过四个螺钉与固定支架固定，当光源组件与固定支架固定时，光源组件的安装面与旋入式弹性压紧机构的安装面接触，并推动旋入式弹性压紧机构连同光导向远离光源组件的方向移动，弹性片变形，产生弹性力，使旋入式弹性压紧机构连同光导与光源组件压紧。
本发明达到的有益效果：本发明在光导与光源组件之间设置了旋入式弹性压紧机构，利用两个弹性片的弹性力，确保了旋入式弹性压紧机构与光源组件的安装面接触，使旋入式弹性压紧机构带动光导与光源组件的安装面压紧，解决了目前常用的安装方式因在光导装配到位后存在少量的窜动，致使光导与LED光源间的间距存在一定范围偏 差的问题，本发明的安装方式使光导的端面与光源的间距及位置得到保证，使车灯的发光效果更加稳定。
附图说明
图1是现有的光导安装方式示意图；
图2是本发明光传导装置的一个结构示意图；
图3是本发明光传导装置的分解图1；
图4是本发明光传导装置的分解图2；
图5是本发明光传导装置的主视图；
图6是本发明光传导装置的A-A剖面图；
图7是本发明光传导装置的B-B剖面图。
具体实施方式
下面结合附图对本发明作进一步详细的说明。
本发明的用于汽车车灯的光传导装置实施例：
如图2所示，本实施例的光传导装置包括旋入式弹性压紧机构1、固定支架2、光导3以及光源组件4。旋入式弹性压紧机构1设有与光导3配合安装的第一安装孔，光导通过第一安装孔插入旋入式弹性压紧机构1中。固定支架2上设有与旋入式弹性压紧机构1配合的第二安装孔，旋入式弹性压紧机构1的一端穿过所述的第二安装孔，并通过旋转后，由光导上设置的第一凸台与第一安装孔中设置的固定卡槽配合固定，旋入式弹性压紧机构1的另一端通过定位销与光源组件4固定，且所述的光源组件4通过螺钉与固定支架2固定。
如图3所示，本实施例的旋入式弹性压紧机构1上设有三个第二凸台1a、两个弹性片1b、导向槽1c、固定卡槽1d及两个定位销孔1e。光导3上设有两个用于固定光导3的第一凸台3a，第一凸台3a与固定卡槽1d配合，实现光导与旋入式弹性压紧机构1的固定。导向槽1c的尺寸略大于第一凸台3a的外形尺寸，光导3通过第一凸台3a与导向槽1c的配合插入旋入式旋入式弹性压紧机构1中。固定支架2上的第一安装孔内侧设有过孔2a，过孔2a的尺寸略大于三个第二凸台1a的外形尺寸，旋入式旋入式弹性压 紧机构1通过三个第二凸台1a与过孔2a的配合穿过所述的第二安装孔。在光导插入旋入式弹性压紧机构1以及旋入式弹性压紧机构1穿过所述的第二安装孔后，对旋入式弹性压紧机构1进行旋转操作，使第一凸台3a卡入固定卡槽1d中，实现光导与旋入式弹性压紧机构1的固定。同时，使第二凸台1a卡住第一安装孔的边缘，旋入式弹性压紧机构1通过第二凸台1a卡在固定支架2上，防止旋入式弹性压紧机构1从固定支架的安装孔中脱出。
所述固定支架与第一凸台3a的接触面上设置有限位凸台，用于旋入式弹性压紧机构1旋转时挡住第一凸台3a，限制旋入式弹性压紧机构1的旋转偏移。如图4所示，所述旋入式弹性压紧机构1上设置的两个圆弧形的弹性片1b设置有限位凸起，所述第二安装孔与弹性片1b配合的端面上设有与所述限位凸起配合的凹槽，旋入式弹性压紧机构1穿过第二安装孔后，所述的限位凸起位于凹槽中，通过旋转旋入式弹性压紧机构，所述限位凸起滑出凹槽，使旋入式弹性压紧机构1带动光导向光源组件的方向偏移设定距离，弹性片1d的限位凸起与第二安装孔的接触面2c接触。本实施例的旋入式弹性压紧机构1设有弹性片的一端端面的外侧设置有凸起的卡台，用于旋入式弹性压紧机构旋转到位后的定位，最终实现旋入式旋入式弹性压紧机构1与固定支架2的固定。
光源组件4上设置有光源4b、两个定位销4a以及四个螺钉5，定位销4a与旋入式弹性压紧机构1上的两个定位销孔1e配合，将光源组件与旋入式弹性压紧机构进行固定，防止旋入式弹性压紧机构1定位后的偏移。
光源组件4通过四个螺钉5与固定支架2进行固定安装，当光源组件4与固定支架2固定时，光源组件4的安装面4c与旋入式弹性压紧机构1的安装面3f接触，并推动旋入式弹性压紧机构连同光导往A向远离光源的方向移动，使两个弹性片1b变形，产生弹性力，从而使旋入式弹性压紧机构带动光导与光源组件压紧。
本发明的光传导装置的装配过程为：
将光导3设有第一凸台3a的一端沿A向穿过第二安装孔，再将旋入式弹性压紧机构1沿相反方向移向第二安装孔，同时光导3通过第一凸台3a与导向槽1c的配合，插入旋入式弹性压紧机构，并将旋入式弹性压紧机构通过第一凸台与过孔2a的配合，带动光导3沿与A向相反的方向穿过第二安装孔。
然后旋转旋入式弹性压紧机构，使两个第一凸台3a卡住固定卡槽1d，使旋入式弹性压紧机构1与光导3固定。同时，旋入式弹性压紧机构1带动光导一起向光源组件的方向偏移设定距离，弹性片1d的限位凸起与第二安装孔的接触面2c接触产生一定量的变形，三个第二凸台1a卡住固定支架2的第二安装孔，防止旋入式弹性压紧机构1脱出固定支架2，实现固定支架2与旋入式弹性压紧机构1的固定。
最后将光源组件4的两个定位销4a插入旋入式弹性压紧机构1的两个定位销孔1e内，并通过四个螺钉5与固定支架2固定。由于旋入式弹性压紧机构在旋转时，弹性片的弹性力将旋入式弹性压紧机构1和光导3沿A向偏移一定距离，当光源组件4与固定支架2固定时，光源组件的安装面4c与旋入式弹性压紧机构1的安装面3f接触，并推动旋入式弹性压紧机构1连同光导3往A向的反方向移动，使两个弹性片1b变形，产生弹性力，使旋入式弹性压紧机构1连同光导3与光源组件4压紧。
由于弹性片的弹性作用，在安装光源组件时，光源组件只会推动弹性片产生变形，旋入式弹性压紧机构与光导并不会偏离光源，并且由于在对旋入式弹性压紧机构1进行旋转时，已经将其向光源组件的方向偏移了设定的距离，在安装光源组件时，即使推动旋入式弹性压紧机构1带动光导3一起向远离光源的方向略有偏移，也不会影响光导的端面与光源之间的间距及位置，从而使光导的端面与光源的间距及位置得到保证。
本发明的汽车车灯实施例：
本实施例中的汽车车灯包括光传导装置，该光传导装置与上述用于汽车车灯的光传导装置的实施例相同，在此不再赘述。
本发明在光导与光源组件之间设置了旋入式弹性压紧机构，利用两个弹性片的弹性力，确保了旋入式弹性压紧机构与光源组件的安装面接触，使旋入式弹性压紧机构带动光导与光源组件的安装面压紧，解决了目前常用的安装方式因在光导装配到位后存在少量的窜动，致使光导与LED光源间的间距存在一定范围偏差的问题，本发明的安装方式使光导的端面与光源的间距及位置得到保证，使车灯的发光效果更加稳定。

Claims (10)

  1. 一种用于汽车车灯的光传导装置，包括光导、光源组件以及固定支架，其特征在于：还包括旋入式弹性压紧机构，所述旋入式弹性压紧机构设有与光导配合安装的第一安装孔，所述光导上设置有第一凸台，所述第一安装孔的内侧壁设有与第一凸台配合的导向槽，用于使光导通过第一凸台与导向槽的配合插入第一安装孔中，所述第一安装孔的相应位置还设有与所述第一凸台配合的固定卡槽，通过旋转旋入式弹性压紧机构，使光导通过第一凸台卡入固定卡槽中，实现光导与旋入式弹性压紧机构的固定；
    所述的固定支架上设置有与所述旋入式弹性压紧机构配合的第二安装孔，所述旋入式弹性压紧机构一端的外侧设置有第二凸台，所述第二安装孔的内侧壁设有与第二凸台配合的过孔，所述旋入式弹性压紧机构通过第二凸台与过孔的配合穿过所述第二安装孔，通过旋转旋入式弹性压紧机构，使第二凸台卡在第二安装孔端面的边缘，限制旋入式弹性压紧机构脱出第二安装孔，所述固定支架与第二凸台的接触面上设置有限位凸台，用于旋转时挡住第二凸台，限制旋入式弹性压紧机构的旋转偏移；
    所述旋入式弹性压紧机构的另一端对称设置有两个圆弧形的弹性片，所述的两个弹性片上均设置有限位凸起，所述第二安装孔与弹性片接触的一端端面设有与所述限位凸起配合的凹槽，旋入式弹性压紧机构穿过第二安装孔后，所述的限位凸起位于凹槽中，通过旋转旋入式弹性压紧机构，使得所述的限位凸起滑出凹槽，从而使旋入式弹性压紧机构带动光导向光源组件的方向偏移设定距离；
    所述的光源组件与固定支架固定安装，所述的光源组件通过所述弹性片的弹性力与旋入式弹性压紧机构的接触面压紧。
  2. 根据权利要求1所述的光传导装置，其特征在于所述的旋入式弹性压紧机构设有弹性片的一端的端面外侧设置有凸起的卡台，用于旋入式弹性压紧机构旋转后的定位。
  3. 根据权利要求1所述的光传导装置，其特征在于所述的旋入式弹性压紧机构设置有用于与光源组件固定的定位销孔，所述的光源组件上设置有用于与所述的定位销孔配合的定位销。
  4. 根据权利要求1所述的光传导装置，其特征在于所述的固定支架与光源组件通过 螺钉固定安装。
  5. 根据权利要求1所述的光传导装置，其特征在于所述的第一凸台和第二凸台至少设置有两个。
  6. 一种汽车车灯，包括光传导装置，所述的光传导装置包括光导、光源组件以及固定支架，其特征在于：还包括旋入式弹性压紧机构，所述旋入式弹性压紧机构设有与光导配合安装的第一安装孔，所述光导上设置有第一凸台，所述第一安装孔内侧壁设有与第一凸台配合的导向槽，用于使光导通过第一凸台与导向槽的配合插入第一安装孔中，所述第一安装孔的相应位置还设有与所述第一凸台配合的固定卡槽，通过旋转旋入式弹性压紧机构，使光导通过第一凸台卡入固定卡槽中，实现光导与旋入式弹性压紧机构的固定；
    所述的固定支架上设置有与所述旋入式弹性压紧机构配合的第二安装孔，所述旋入式弹性压紧机构一端的外侧设置有第二凸台，所述第二安装孔内侧壁设有与第二凸台配合的过孔，所述旋入式弹性压紧机构通过第二凸台与过孔的配合穿过所述第二安装孔，通过旋转旋入式弹性压紧机构，使第二凸台卡在第二安装孔端面的边缘，限制旋入式弹性压紧机构脱出第二安装孔，所述固定支架与第二凸台的接触面上设置有限位凸台，用于旋转时挡住第二凸台，限制旋入式弹性压紧机构的旋转偏移；
    所述旋入式弹性压紧机构的另一端对称设置有两个圆弧形的弹性片，所述的两个弹性片上均设置有限位凸起，所述第二安装孔与弹性片接触的一端端面设有与所述限位凸起配合的凹槽，旋入式弹性压紧机构穿过第二安装孔后，所述的限位凸起位于凹槽中，通过旋转旋入式弹性压紧机构，所述限位凸起滑出凹槽，使旋入式弹性压紧机构带动光导向光源组件的方向偏移设定距离；
    所述的光源组件与固定支架固定安装，通过所述弹性片的弹性力与旋入式弹性压紧机构的接触面压紧。
  7. 根据权利要求6所述的汽车车灯，其特征在于所述的旋入式弹性压紧机构设有弹性片的一端的端面外侧设置有凸起的卡台，用于旋入式弹性压紧机构旋转后的定位。
  8. 根据权利要求6所述的汽车车灯，其特征在于所述的旋入式弹性压紧机构设置有用于与光源组件固定的定位销孔，所述的光源组件上设置有用于与所述的定位销孔配合 的定位销。
  9. 根据权利要求6所述的汽车车灯，其特征在于所述的固定支架与光源组件通过螺钉固定安装。
  10. 根据权利要求6所述的汽车车灯，其特征在于所述的第一凸台和第二凸台至少设置有两个。
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