CN108087842A - Light guide locating rack - Google Patents
Light guide locating rack Download PDFInfo
- Publication number
- CN108087842A CN108087842A CN201711283411.6A CN201711283411A CN108087842A CN 108087842 A CN108087842 A CN 108087842A CN 201711283411 A CN201711283411 A CN 201711283411A CN 108087842 A CN108087842 A CN 108087842A
- Authority
- CN
- China
- Prior art keywords
- light guide
- hole
- locating rack
- light
- tubular structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 29
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 4
- 210000003205 muscle Anatomy 0.000 description 7
- 239000011148 porous material Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
-
- 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)
- Planar Illumination Modules (AREA)
Abstract
The present invention relates to a kind of light guide locating racks, its middle part is equipped with one or more light guides and installs interface, its edge disperses the pin hole for being equipped with up/down perforation at two, the light guide installation interface includes the tubular structure extended up and down, the inner wall surface of tubular structure is equipped at intervals with the vertically extending convex ribs in many places, the tubular structure is equipped with the non-through groove extended downwardly at least one from its top surface, the side wall of the tubular structure is equipped with and the one-to-one through hole of the groove, through hole is extended laterally until being communicated with the corresponding groove, crank degree from the groove to the corresponding through hole in the circumferential is 15 30 degree.The present invention helps to simplify the end construction of light guide, reduces light loss and the light-leaking area of light guide, reduces the burden requirement of LED light source, so as to help to reduce the cost of whole lamp.
Description
Technical field
The present invention relates to the location and installation designs between photoconductive tube and light source more particularly to one kind to be used to implement photoconductive tube and light
The installation interface part of source installation positioning, is primarily adapted for use in car light technical field.
Background technology
The application scenario of light guide involved in automotive lighting, the location and installation mode between light guide and light source are typically in light guide sheet
It is set on body and is respectively used to position and install with the integrally formed other structures of light guide body, such as realized using locating pin structure
The fastening of light guide and wiring board is realized in positioning between light guide and wiring board using screw stud structure.The shortcomings that this mounting means
It is that structure on light guide beyond light guide body is too many, it is very big to the loss of light, more powerful LED is correspondingly just needed to configure,
Therefore the cost pressure of whole lamp is larger.
Moreover, in order to facilitate the installation of and positioning, had using the light guide of above-mentioned mounting means its installation site larger
Limitation, usual light guide can only be chosen be mounted on lamp body assembly on.If on light distribution mirror assembly, when lens pressure
Fashionable reserved tolerance must cause light guide that can not be accurately positioned with light source, and function is caused not meet laws and regulations requirement.
The content of the invention
The present invention is intended to provide a kind of light guide locating rack, light loss and the light-leaking area of light guide can be reduced, correspondingly to LED
The burden requirement of light source is also reduced by, so as to help to reduce the cost of whole lamp.
The main technical schemes of the present invention have：
A kind of light guide locating rack, middle part are equipped with one or more light guides and install interface, and edge disperses at least provided with two
Locate the pin hole of up/down perforation, the light guide installation interface includes the tubular structure extended up and down, and the tubular structure is equipped with extremely
The non-through groove extended downwardly at few one from its top surface, the side wall of the tubular structure is equipped with to be corresponded with the groove
Through hole, through hole is extended laterally until communicated with the corresponding groove.
It is additionally provided with the bolt hole of many places lower opening on the light guide locating rack, the bolt hole is distributed in whole described
The periphery of light guide installation interface region.
When light guide installation interface has at one, the bolt hole has at two, is distributed in the light guide installation interface
Equidistant both sides, bolt hole is located at light guide installation interface three position on straight line at two.
Crank degree from the groove to the corresponding through hole in the circumferential is 15-30 degree.
The groove has at two, is mutually 180 degree arrangement, and the through hole also has at two, is mutually 180 degree arrangement.
The inner wall surface cross-sectional shape of the tubular structure is circle.
The light guide locating rack is integrated injection molded parts.
The light guide locating rack is Thin-shell Part, is pacified including shelly-shaped body and through the light guide of the shelly-shaped body
Attaching mouth.
When the through hole is located at the top of the shelly-shaped body, one or more light leaks are additionally provided on the shelly-shaped body
Baffle, the periphery of each light leak baffle plate setting through hole at one.
The inner wall surface of the tubular structure can be equipped at intervals with convex ribs vertically extending at least 3, the table of the convex ribs
Face is rounding off surface.The convex ribs are preferably even circumferential arrangement.
The beneficial effects of the invention are as follows：
Due to the light guide locating rack using brand new design, realize the efficient positioning linking between light guide and light source, make
Obtain is needed and the complementary structure beyond existing light guide body is greatly reduced on light guide based on location and installation, correspondingly very big journey
Reduce the loss of light and the region of light leak on degree.
Reduce the loss of light, the load of LED light source can be also obviously reduced, so as to reduce LED power, also just reduced
Cost.
After LED power reduces, the heat dissipation of light source also can greatly be improved, correspondingly propped up to solve LED heat dissipation problems
The cost gone out also just decreases.
Description of the drawings
Fig. 1 is the dimensional structure diagram of an angle of one embodiment of the present of invention；
Fig. 2 is the dimensional structure diagram of another angle of the embodiment；
Fig. 3 is longitudinal partial sectional view that light guide and light source cross lead to the hole site by the structure after location and installation of the present invention.
Reference numeral：1. shelly-shaped body；2. pin hole；3. light guide installs interface；3-1. tubular structure；3-2. convex ribs；3-3.
Groove；3-4. through hole；4. bolt hole；5. light leak baffle；6. light guide；6-1. anticreep muscle；7. wiring board；8.LED.
Specific embodiment
As shown in Figs. 1-3, the invention discloses a kind of light guide locating rack, middle part is equipped with the installation of one or more light guides and connects
Mouthfuls 3, for the end of location and installation light guide 6, the quantity of light guide installation interface depending on the radical of photoconductive tube to be mounted determine.It should
The edge of part is at least scattered to be equipped with the pin hole 2 of up/down perforation at two, then can realize the light guide locating rack and circuit with dowel pin
Positioning between plate.The light guide installation interface includes the tubular structure 3-1 extended up and down, and the tubular structure is for one with light guide
A end is mating.The shape of the pore of the tubular structure preferably with the cross-sectional shape phase of the end of light guide plugged
Together, size be subject to the tubular structure can with the end of corresponding light guide realize clearance fit.The tubular structure is equipped with extremely
The non-through groove 3-3 extended downwardly at few one from top surface, the side wall of the tubular structure are equipped with and described one a pair of groove
The through hole 3-4 answered, through hole are extended laterally until being communicated with the corresponding groove.It is inserted with the light guide locating rack end of light guide
When connecing, the overhanging anticreep muscle 6-1 of the radial direction on light guide is first directed at the groove, is inserted into from top to bottom into the tubular structure
Light guide when anticreep muscle, which drops to through hole, communicates with groove the height at place, is turned over an angle, makes anticreep muscle by the end of light guide
Just it is embedded in through hole.Through hole is engaged with anticreep muscle can prevent from disengaging the light guide locating rack in light directing.It is described recessed
Slot and through hole are a kind of disconnecting prevention structures of preferred structure pattern on the light guide mounting bracket, quantity and planform, size with
The quantity and planform, size of the anticreep muscle of the end of light guide to be installed are adapted.
The end construction of light guide can be very simple, without locating pin structure and screw stud structure is set to can be achieved with and this
The positioning of invention is installed, then the present invention is positioned, is fixed in other parts (such as light source), it is possible to easily realize light
Lead the positioning and fixation between light source.As it can be seen that the presence of the light guide locating rack greatly simplifies the end construction of light guide, light
The light loss led significantly reduces, therefore the requirement for light source power is also just substantially reduced, and correspondingly light source heat radiation demand is also big
To reduce, the cost for thus not only reducing light source also reduces the cost paid by light source heat radiation.
The light guide locating rack can also further be optimized in following many aspects：
The groove either only in tubular structure side opening slot (as shown in drawings) or tubular structure
The radially inner and outer straight slot being open, the latter can also be referred to as the notch of tubular structure side wall upper part setting.
The bottom surface of through hole is preferably concordant with the groove bottom of groove, make the light guide locating rack structure and processing technology more
Add simplification.The preferably rectangular through hole of through hole.
The bolt hole 4 of many places lower opening is also provided on the light guide locating rack, for the light guide locating rack with
Other structures part interfixes, and the bolt hole is preferably distributed across whole light guide installation interface regions
Periphery.
When light guide installation interface has at one, such as the situation of the embodiment shown in that figure, the bolt hole have at two,
And the both sides of the light guide installation interface are preferably provided at, if space allows, make two bolts hole and the light as far as possible
The distance for leading installation interface is equal.Bolt hole is preferably located at light guide installation interface three position on straight line at two.
Crank degree from the groove to the corresponding through hole in the circumferential is preferably 15-30 degree.
The groove preferably has at two, is mutually 180 degree arrangement, correspondingly, the through hole also has at two, is mutually 180 degree cloth
It puts.
The outer shape of the tubular structure is unlimited, and the cross-sectional shape of the inner wall surface of the tubular structure is with that will install
It is consistent in the end cross-sectional shape of light guide therein, it is circular in the present embodiment.
The light guide locating rack is preferably integrated injection molding part.The threaded portion of the bolt hole can be molded into light
Bottom hole hole screws in during fastening while screw processes threaded hole and completes fastening.
The light guide locating rack is preferably Thin-shell Part, and Shooting Technique is good.External Shape is unlimited, except the light guide is pacified
Part beyond attaching mouth 3 is considered as shelly-shaped body 1.It is described when the light guide locating rack is mounted in other parts
Shelly-shaped body is located in other parts, and the light guide installation interface 3, which is equivalent to run through, to be arranged on the shelly-shaped body.It is logical
Often, the end face of light guide downwards without departing from the tubular structure bottom surface or only exceed very little a distance, when beyond when, it is shelly-shaped
Body can play the role of certain blocking light leak for exceeding part.The end face of light guide and the vertical range of light source pass through through hole
The height at place ensures.
When the through hole is located at the top of the shelly-shaped body, one or more leakages are preferably provided on the shelly-shaped body
Baffle plate 5, each light leak baffle can be arranged on the periphery of the through hole at one, for blocking leakage of the light guide in through hole
Light.When the light leak for having other parts that can block some through hole under installation condition, then the periphery of the through hole can not be set
Put the light leak baffle.
The inner wall surface of the tubular structure can be equipped at intervals with convex ribs 3-2 vertically extending at least 3, the convex ribs
Surface is rounding off surface, and the convex ribs are used to implement mating with the end of light guide.Compared to the feelings for being not provided with convex ribs
Condition sets convex ribs that can reduce the requirement on machining accuracy of pore to the tubular structure, and the end of light guide and this several it is convex
Muscle line contacts, positioning accuracy higher.The convex ribs are preferably to be arranged circumferentially along the pore.
The present invention helps to simplify the end construction of light guide, therefore reduces light loss and the light-leaking area of light guide, and then right
The burden requirement of LED light source also decreases, so as to help to reduce the cost of whole lamp.
Claims (10)
1. a kind of light guide locating rack, it is characterised in that：Its middle part is equipped with one or more light guides and installs interface, and edge disperses to set
There is the pin hole of up/down perforation at least two, the light guide installation interface includes the tubular structure extended up and down, the tubular structure
Equipped with the non-through groove extended downwardly from its top surface at least one, the side wall of the tubular structure is equipped with and the groove one
One corresponding through hole, through hole are extended laterally until being communicated with the corresponding groove.
2. light guide locating rack as described in claim 1, it is characterised in that：The bolt hole of many places lower opening is additionally provided with thereon,
The bolt hole is distributed in the periphery of whole light guide installation interface regions.
3. light guide locating rack as claimed in claim 2, it is characterised in that：It is described when light guide installation interface has at one
Bolt hole has at two, is arranged on and installs the equidistant both sides of interface with the light guide, and bolt hole connects with light guide installation at two
Mouth three position is located on straight line.
4. light guide locating rack as described in claim 1, it is characterised in that：From the groove to the corresponding through hole
Crank degree in the circumferential is 15-30 degree.
5. light guide locating rack as described in claim 1, it is characterised in that：The groove has at two, is mutually 180 degree arrangement, institute
Stating through hole also has at two, is mutually 180 degree arrangement.
6. light guide locating rack as described in claim 1, it is characterised in that：The inner wall surface cross-sectional shape of the tubular structure
For circle.
7. light guide locating rack as described in claim 1, it is characterised in that：It is integrated injection molded parts.
8. the light guide locating rack as described in any one claim in claim 1-7, it is characterised in that：It is Thin-shell zero
Part installs interface including shelly-shaped body and through the light guide of the shelly-shaped body.
9. light guide locating rack as claimed in claim 8, it is characterised in that：When the through hole is located at the top of the shelly-shaped body
When, one or more light leak baffles are additionally provided on the shelly-shaped body, each light leak baffle plate setting through hole at one
Periphery.
10. light guide locating rack as claimed in claim 8, it is characterised in that：The inner wall surface of the tubular structure is equipped at intervals with
Vertically extending convex ribs at least 3, the surface of the convex ribs is rounding off surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711283411.6A CN108087842A (en) | 2017-12-07 | 2017-12-07 | Light guide locating rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711283411.6A CN108087842A (en) | 2017-12-07 | 2017-12-07 | Light guide locating rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108087842A true CN108087842A (en) | 2018-05-29 |
Family
ID=62174342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711283411.6A Pending CN108087842A (en) | 2017-12-07 | 2017-12-07 | Light guide locating rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108087842A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578496A (en) * | 2019-09-27 | 2021-03-30 | 常州星宇车灯股份有限公司 | Light guide assembly structure capable of preventing light leakage |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102099717A (en) * | 2008-07-18 | 2011-06-15 | 3M创新有限公司 | Lighting device comprising a light guide and a support |
| CN205245020U (en) * | 2015-12-04 | 2016-05-18 | 上海小糸车灯有限公司 | Car LED headlight light guide location structure |
| CN205896930U (en) * | 2016-07-27 | 2017-01-18 | 上海小糸车灯有限公司 | Car lamps and lanterns with light guide assembly structure |
| CN106382586A (en) * | 2016-08-29 | 2017-02-08 | 重庆长安汽车股份有限公司 | Light guide light-leakage preventing structure for car lamp |
| CN106838833A (en) * | 2017-04-06 | 2017-06-13 | 上海小糸车灯有限公司 | Self-retaining light guide assembling structure |
| CN206540032U (en) * | 2017-01-23 | 2017-10-03 | 长城汽车股份有限公司 | Light-strip mounting structure and lamp light source structures |
-
2017
- 2017-12-07 CN CN201711283411.6A patent/CN108087842A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102099717A (en) * | 2008-07-18 | 2011-06-15 | 3M创新有限公司 | Lighting device comprising a light guide and a support |
| CN205245020U (en) * | 2015-12-04 | 2016-05-18 | 上海小糸车灯有限公司 | Car LED headlight light guide location structure |
| CN205896930U (en) * | 2016-07-27 | 2017-01-18 | 上海小糸车灯有限公司 | Car lamps and lanterns with light guide assembly structure |
| CN106382586A (en) * | 2016-08-29 | 2017-02-08 | 重庆长安汽车股份有限公司 | Light guide light-leakage preventing structure for car lamp |
| CN206540032U (en) * | 2017-01-23 | 2017-10-03 | 长城汽车股份有限公司 | Light-strip mounting structure and lamp light source structures |
| CN106838833A (en) * | 2017-04-06 | 2017-06-13 | 上海小糸车灯有限公司 | Self-retaining light guide assembling structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578496A (en) * | 2019-09-27 | 2021-03-30 | 常州星宇车灯股份有限公司 | Light guide assembly structure capable of preventing light leakage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 201821 No. 767, Yecheng Road, Shanghai, Jiading District Applicant after: HUAYU VISION TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: 201821 Yecheng Road, Jiading District, Jiading District, Jiading District, Shanghai Applicant before: SHANGHAI KOITO AUTOMOTIVE LAMP Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180529 |
|
| RJ01 | Rejection of invention patent application after publication |