CN1159533A - Fog lamp for vehicles - Google Patents
Fog lamp for vehicles Download PDFInfo
- Publication number
- CN1159533A CN1159533A CN96122543A CN96122543A CN1159533A CN 1159533 A CN1159533 A CN 1159533A CN 96122543 A CN96122543 A CN 96122543A CN 96122543 A CN96122543 A CN 96122543A CN 1159533 A CN1159533 A CN 1159533A
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- China
- Prior art keywords
- reflecting surface
- speculum
- fog lamp
- optical axis
- bulb
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention relates to a foglight for vehicle, which are two foglights arranged at the front of the vehicle. The invention is characterized in that: a hot zone on a lens surface is formed into that a lens step is not in a ubiety with parallel movement on the left and right foglights, but is at the front of the reflecting surface area (with large projected area in the optical axis direction) inside the vehicle width at each optical axis. The position is avoided to be at the front of a mono-assembly lug boss at the back of the reflector, but is positioned at the front of the approximate central location of the periphery between the optical axis and the reflecting surface, and is in a symmetrical position relation. The invention is made by resin and has a full light distribution performance even if the reflecting surface of the reflector is in non-symmetrical shape corresponding to the optical axis.
Description
The present invention relates to be arranged on the pair of right and left fog lamp of vehicle front end, the speculum that relates in particular to each fog lamp is the fog lamp for vehicles that resin system and the relative mirror optical axis of its reflecting surface are left and right sides asymmetrical shape.
In recent years, lamps apparatus for vehicle pursue and car body between flush, connect be arranged on vehicle front end about 1 pair of fog lamp, also be consistent mostly with the car body outward appearance.In this occasion, have to make the reflecting surface of the speculum of each fog lamp to become left and right sides asymmetrical shape sometimes, promptly along the optical axis direction projected area difference of the mirror optical axis left and right sides that the vehicle fore-and-aft direction extends.
On the other hand, on the lens face of fog lamp, to form horizontal proliferation lens step and hot-zone formation lens step, in order to simplify the luminous intensity distribution design project, the hot-zone is formed with the formation position of lens step on lens face, and the fog lamp about generally being is set in same position (being parallel mobile position relation).
Yet because the reflecting surface area of general fog lamp speculum is less, when speculum had the reflecting surface of above-mentioned the sort of left and right sides asymmetrical shape, it was very difficult be on the lens face of left and right sides fog lamp being suitable for the position that the hot-zone forms with same position in setting.Especially when speculum is resin system, because the pore that produces when being shaped, the surface accuracy at some position of reflecting surface is low, so luminous intensity distribution performance in order to ensure fog lamp, when setting formation position, above-mentioned hot-zone, must avoid the anterior position of pore happening part on the reflecting surface, for this reason, more increase the difficulty of on the lens face of left and right sides fog lamp, setting the position that is suitable for hot-zone formation with same position.
In view of above-mentioned truth, the object of the present invention is to provide a kind of fog lamp for vehicles, even its speculum is resinous and the relative mirror optical axis of its reflecting surface is a left and right sides asymmetrical shape, also can obtain sufficient luminous intensity distribution performance as fog lamp.
To achieve these goals, the present invention forms the hot-zone with the lens step in the same position of formation set positions on the fog lamp of the left and right sides on the lens face, but is set in the place ahead in that reflecting surface zone that the optical axis direction projected area is big in the reflecting surface zone of the mirror optical axis left and right sides of each fog lamp.
That is, technical scheme of the present invention is a kind of fog lamp for vehicles, be arranged on vehicle front end about 1 pair of fog lamp, above-mentioned each fog lamp comprises: bulb; Have the optical axis that extends along the vehicle fore-and-aft direction and reach, and will forwards reflect the resin system speculum of usefulness from the light of above-mentioned bulb at the different reflecting surface of the optical axis direction projected area of this optical axis left and right sides; Lens face is arranged on above-mentioned reflecting surface the place ahead of this speculum, and forms the lens step is used in horizontal proliferation with lens step and hot-zone formation lens on this lens face;
Be characterized in that the place ahead in above-mentioned each fog lamp that reflecting surface zone that all above-mentioned optical axis direction projected area is big in the reflecting surface zone of the above-mentioned optical axis left and right sides forms above-mentioned hot-zone formation lens step.
If the place ahead in that reflecting surface zone that the optical axis projected area is big in the reflecting surface zone of the mirror optical axis left and right sides forms above-mentioned " hot-zone forms and uses the lens step " of above-mentioned each fog lamp, then it is formed the position and do not have special restriction, and, 1 pair of fog lamp was symmetrical each other about it formed position and both can be, can be again position relation independently mutually.
As mentioned above, because the place ahead in 1 pair of fog lamp that reflecting surface zone that all the optical axis direction projected area is big in the reflecting surface zone of the above-mentioned optical axis left and right sides forms the hot-zone formation lens step of lens face about of the present invention, even so have relative optical axis and be the occasion of the reflecting surface of left and right sides asymmetrical shape at speculum, no matter left and right sides fog lamp all can easily be found out on lens face is suitable for the position that the hot-zone forms.Particularly, speculum generally all is to be symmetrical structure on the fog lamp of the left and right sides, so the pore happening part on mirror shapes and the resin system speculum also is left-right symmetry on the fog lamp of the left and right sides, therefore be easy on the lens face of left and right sides fog lamp, be suitable for the position that the hot-zone forms with symmetrical set positions.
Thereby, adopt when of the present invention, even speculum is resinous, and the relative mirror optical axis of its reflecting surface to be the left and right sides asymmetric, as fog lamp, still can obtain sufficient luminous intensity distribution performance.
Resin system speculum be mostly top after being formed at speculum bulb insertion hole around be provided with the bulb installation portion that is connected as a single entity with speculum, at this moment, if around above-mentioned bulb installation portion, form the cylindrical wall that surrounds this bulb installation portion that is connected as a single entity with speculum, the lamp socket cover of covering bulb and bulb installation portion etc. then is installed on this cylindrical wall easily, but then, make bulb installation portion and cylindrical wall and speculum form the occasion of one as described above, because the reflecting surface zone in its place ahead is easy to generate pore, so adopt structure of the present invention to have more significant effect.
Again, when the occasion that forms the lug boss that is connected as a single entity with speculum at the reflecting surface back side of speculum, because the reflecting surface zone in lug boss the place ahead is easy to generate pore, so adopt structure of the present invention to have more significant effect.Here said " lug boss " also comprises aforesaid bulb installation portion and cylindrical wall, in addition, also has speculum supporting convex portion, headlight to light support, air-vent lug boss etc.
When the occasion that forms the lug boss that is connected as a single entity with speculum as described above at the reflecting surface back side of speculum, if the position, lug boss the place ahead on reflecting surface forms the attenuate hole, it is even then can to make the lug boss of speculum form the wall thickness at position, though lost part reflecting face so form the position in attenuate hole itself on the reflecting surface, but can obtain that pore reduces, the higher reflecting surface of surface accuracy, so the range of choice can enlarge the position of on lens face, selecting to be suitable for hot-zone formation the time at attenuate hole periphery position.
On speculum, apart near the position nearer bulb insertion hole of bulb because of being subjected to forming high temperature from the radiant heat of bulb, so when adopting some resin to constitute speculum, may produce thermal deformation, if but lampshade is installed on speculum, to prevent the patchhole near zone of light irradiation reflecting surface, then promptly use the lower resin of heat resisting temperature also can constitute speculum.
It below is simple declaration with accompanying drawing.
The front view of 1 pair of fog lamp about Fig. 1 expression fog lamp for vehicles one embodiment of the present invention.
Fig. 2 is the II-II line cutaway view of Fig. 1.
Fig. 3 is the III-III line cutaway view of Fig. 1.
Fig. 4 is that the IV direction of Fig. 1 is to view.
Fig. 5 is that the V direction of Fig. 4 is to view.
Fig. 6 is the VI-VI line cutaway view of Fig. 5.
The front view of the speculum of 1 pair of fog lamp about Fig. 7 the foregoing description.
The lens of 1 pair of fog lamp wants portion's cutaway view (Fig. 8 (a) is the VIII portion enlarged drawing of Fig. 3) about Fig. 8 the foregoing description.
Fig. 91 pair of luminous intensity distribution figure that fog lamp forms about the foregoing description.
Figure 10 is the modified example of the foregoing description, and is corresponding with Fig. 2.
Below in conjunction with the description of drawings embodiments of the invention.
Fig. 1 is the front view of expression fog lamp for vehicles one embodiment of the present invention, Fig. 2 is the II-II line cutaway view of Fig. 1, and Fig. 3 is the III-III line cutaway view of Fig. 1, and Fig. 4 is that the IV direction of Fig. 1 is to view, Fig. 5 be the V direction of Fig. 4 to view, Fig. 6 is the VI-VI line cutaway view of Fig. 5.
As shown in Figure 1, the fog lamp of present embodiment be arranged on vehicle front end about 1 couple of fog lamp 10L, 10R.These fog lamps 10L, 10R are symmetrical structure except the lens step part of lens 12 described later.Following elder generation illustrates its structure with the fog lamp 10R on right side.
Shown in Fig. 2-6, fog lamp 10R has the light fixture of so-called unit movable type headlight to optical mechanism, is provided with lens 12, speculum 14 and bulb 16.
Said lens 12 is resin (Merlon) systems, and full week of its base end part is connected with speculum 14 by ultrasonic bonding.
The lens face of said lens 12 as shown in Figure 2, be skewed (downward-sloping) up and down that more forwards protrude than the bottom on top, simultaneously and for example shown in Figure 3, be the tilt shape of the outboard end (right part) of overall width direction than medial end (left part) indentation more rearward of overall width direction.In addition, in Fig. 2 and Fig. 3, the heavy wall member 102 that surrounds fog lamp 10R is impact-absorbing shells, and it is body panel that the thin-wall member 104 that thereunder reaches overall width direction inboard is set, and the structure 106 shown in its rear, top is purge tanks.
Above-mentioned speculum 14 is speculums of resin system (Merlon), has the reflecting surface 18 that the axle that extends along the vehicle fore-and-aft direction is formed as the paraboloid of revolution of optical axis Ax, the light from bulb 16 forwards can be reflected.This reflecting surface 18 sees to have circular contour from the light fixture front shown in Fig. 1 (a), and optical axis Ax is positioned at the right tiltedly below (seeing it is tiltedly below, a left side from light fixture the place ahead) of center of circle O.Therefore, reflecting surface 18 about the reaching up and down of optical axis Ax, each optical axis direction projected area difference.That is, than the overall width direction outside, its optical axis direction projected area is bigger than the overall width direction inboard of downside, optical axis Ax for the upside of optical axis Ax.
As shown in Figures 2 and 3,, form bulb insertion hole 14a, around this bulb insertion hole 14a, form the bulb installation portion 20 that is connected as a single entity with speculum 14 at the back top of above-mentioned speculum 14.In addition, around this bulb installation portion 20, form the cylindrical wall that surrounds this bulb installation portion 20 22 that fuses with speculum 14.
Above-mentioned bulb 16 is based on halogen bulb of so-called C-6 formula, is positioned at the state of the focal position F of speculum 14 with its filament, is installed on the bulb installation portion 20 of speculum 14 through lamp socket 24 and adapter 26.The lamp socket cover 52 that covers bulb 16 and bulb installation portion 20 is installed on the cylindrical wall 22 of above-mentioned speculum 14 again.
Shown in Fig. 4-6,, except above-mentioned bulb installation portion 20 and cylindrical wall 22, also have some lug bosses and speculum 14 to form one in reflecting surface 18 back side portions of speculum 14.
That is, 2 positions form speculum supporting convex portion 28,30 about the top of speculum 14, form headlight to light support 32 at 1 position, bottom of speculum 14, form air-vent lug boss 34 below the summary of speculum supporting convex 28.
Bellying 28a, 30a above the foot top to the four directions extension of above-mentioned each speculum supporting convex portion 28,30 forms embed trunnion bearing 36,38 on bellying 28a, the 30a above this.These trunnion bearings 36,38 are fixed on the impact-absorbing shell 102, and like this, fog lamp 10R is installed on the impact-absorbing shell 102, relatively impact-absorbing shell 102 and make tilting action at above-below direction.
In addition, above-mentioned headlight is the box-shaped of a side opening to light support 32, is embedded with self-locking nut 40 at the peristome of its top ends.This self-locking nut 40 combines with headlight adjustment screw 42 screw threads, and the spherical top ends of this headlight adjustment screw 42 embeds trunnion bearing 46, and is also fixing headlight to light gear 44 near this spherical top ends.In addition, above-mentioned trunnion bearing 46 is fixed on the impact-absorbing shell 102.By make above-mentioned headlight with driver 108, can make speculum 14 make the tilting action of above-below direction around the horizontal axis that connects above-mentioned speculum supporting convex portion 28,30 to light gear 44 rotation.
The top ends of above-mentioned air-vent lug boss 34 forms minor diameter, and embeds in the pipe 50 with the state of coveing with film shape filter 48 in its top ends.The air-vent 34a that formation is communicated with the space in reflecting surface 18 the place aheads of speculum 14 in this air-vent lug boss 34.
Fig. 7 (a) is the front view of the speculum 14 of right side fog lamp 10R.
As shown in the drawing, bulb installation portion 20 forms ring-type around bulb insertion hole 14a, and it forms bulk in 2 positions up and down, is connected with cylindrical wall 22.In addition, as shown in Figure 2, form block part at these and adapter 26 is fixed on the bulb installation portion 20 with screw.In order to fix with this screw, form hole 20a at above-mentioned bulk portion, near the position 20a of this hole makes the uniform attenuate of above-mentioned bulk portion wall thickness hole 20b from the formation of reflecting surface 18 1 sides.
Shown in Fig. 1 (a), form 4 sections a plurality of lens steps that are divided into arciform of rectangle up and down on the lens 12 of fog lamp 10R.In these lens steps, that the arciform lens step of going up formation that is added with oblique line is that the hot-zone forms with lens step 54A, and all the other lens steps are horizontal proliferation lens step 54B.The horizontal profile shape of these lens step 54A and 54B is shown in the Fig. 8 (a) after Fig. 3 and the amplification of VIII portion thereof, and the hot-zone forms with lens 54A and is set to the thicker prism-like in left side, and horizontal proliferation then is set to the concavees lens shape with lens step 54B.
Shown in double dot dash line among Fig. 7 (a), above-mentioned hot-zone forms the place ahead that is located at that reflecting surface zone (being the reflecting surface zone of overall width direction inboard) that the optical axis direction projected area is big in the reflecting surface zone of the optical axis Ax left and right sides on the reflecting surface 18 with lens step 54A.This optical axis Ax that considers in optical axis Ax side and the substantial middle position between reflecting surface 18 outer peripheral edges are to be suitable for the desired site that the hot-zone forms on the reflecting surface 18, and some lug bosses (among the figure shown in the dotted line) of avoiding being formed at back side portion before the quadrate part bit position be the desired site that pore-free takes place on the reflecting surface 18, surface accuracy is good, so the hot-zone in this reflecting surface zone is formed the formation set positions position shown in the figure of usefulness lens step 54A.
Shown in Fig. 1 (b), on the lens 12 of the fog lamp 10L in left side, also be divided into and same arc of the lens of the fog lamp 10R on right side, form its hot-zone form with arc of lens step 54A also shown in oblique line, the hot-zone that is set in right side fog lamp 10R forms the symmetrical position with lens step 54A.Self-evident, this position is positioned at the place ahead in reflecting surface zone of the overall width direction inboard of optical axis Ax shown in double dot dash line among Fig. 7 (b).
But, form the horizontal profile shape of using lens step 54A about the hot-zone, if left luminous intensity distribution fog lamp, then should make from the relative optical axis Ax of the reverberation direction of speculum 14 and omit left (right luminous intensity distribution with fog lamp then slightly to the right) skew and form the hot-zone, so adopting left luminous intensity distribution with in the present embodiment of fog lamp, shown in Fig. 8 (b), the hot-zone of left side fog lamp 10L form hot-zone with the horizontal profile shape of lens step 54A and right side fog lamp 10R form horizontal profile shape with lens step 54A be not be set at symmetrical, but be set at the latter moved horizontally after the section shape of formation.
Fig. 9 represents the luminous intensity distribution figure with left and right sides fog lamp 10L, 10R formation.
Add luminous intensity distribution figure P (A) that oblique line represents among the figure and be with seeing through the hot-zone and form the luminous intensity distribution figure that the light with lens step 54A forms, luminous intensity distribution figure P (B) is with seeing through the luminous intensity distribution figure that the light of horizontal proliferation with lens step 54B forms.And the luminous intensity distribution figure P (A) ' shown in the dotted line, the luminous intensity distribution figure of P (B) ' when being unlensed 12 among the figure, P (A) ' is that P (B) ' is from the formed luminous intensity distribution figure of the reverberation of remainder from the formed luminous intensity distribution figure of the reverberation of part 54A shown in the double dot dash line on the reflecting surface 18 of speculum shown in Figure 7 14.
As mentioned above, 1 couple of fog lamp 10L, 10R respectively have resinous speculum 14 about in the present embodiment, and the optical axis Ax of its reflecting surface 18 relative speculums 14 and be left and right sides asymmetrical shape, but it all is the place ahead that is set in that reflecting surface zone that the optical axis direction projected area is big in the reflecting surface zone of the optical axis Ax left and right sides that the hot-zone on the lens face of each fog lamp 10L, 10R forms formation position with lens step 54A, so all easy position that is suitable for hot-zone formation of finding out on lens face of left and right sides fog lamp.In fact exactly having formed the hot-zone on such position forms with lens step 54A.
Promptly, as shown in Figure 7, speculum 14 is at left and right sides fog lamp 10L, the last formation of 10R left-right symmetry structure, the shape of its reflecting surface 18 and pore happening part are also at left and right sides fog lamp 10L, the last left-right symmetry of 10R, and in the present embodiment, it is some lug bosses (bulb installation portion 20 of having avoided in the formation of reflecting surface 18 back side portions, cylindrical wall 22, speculum supporting convex portion 28,30, headlight is to light support 32 and air-vent lug boss 34) position, the place ahead, and the place ahead of substantial middle position forms that the hot-zone forms with lens step 54A between this optical axis Ax of optical axis Ax side and reflecting surface 18 outer peripheral edges, so can be used to the first pore generation on reflecting surface 18, surface accuracy is good, and being suitable for the hot-zone forms the reverberation of position and forms the hot-zone.
Thereby, when adopting present embodiment, though speculum resin system, the relative mirror optical axis of its reflecting surface and be left and right sides asymmetrical shape, fog lamp still can obtain sufficient luminous intensity distribution performance.
In addition, in the present embodiment because on the reflecting surface 18 of speculum 14, formed attenuate hole 20b at the position, the place ahead of the bulk portion of the bulb installation portion 20 that is easy to generate pore, so can make the wall thickness of above-mentioned bulk portion even.Therefore, lost part reflecting face, can obtain pore minimizing, the higher reflecting surface of surface accuracy at the peripheral position of attenuate hole 20b though form the position of attenuate hole 20b itself on the reflecting surface 18.
Left luminous intensity distribution fog lamp has been described in the above-described embodiments, and if right luminous intensity distribution fog lamp, as long as the hot-zone is formed with opposite about the horizontal profile shape of lens step 54A and section shape shown in Figure 8, other structures are identical with the structure of the foregoing description, can obtain required luminous intensity distribution performance.
In addition, the material of speculum 14 is to use the higher polycarbonate resin of heat resisting temperature in the foregoing description, also can use other resins certainly.But to be subjected to forming high temperature apart near the position nearer bulb insertion hole 14a of bulb 16 on the speculum 14, so thermal deformation may take place when adopting some resin to constitute speculum 14 from the radiant heat of bulb 16.In this occasion, as long as cylindric lampshade 56 is installed on lamp socket 24 as shown in Figure 10, to prevent the bulb insertion hole near zone of light irradiation reflecting surface, even then adopt the lower resin of heat resisting temperature also can constitute speculum 14.
Claims (5)
1. fog lamp for vehicles, be arranged on vehicle front end about 1 pair of fog lamp, described each fog lamp comprises: bulb; Have the optical axis that extends along the vehicle fore-and-aft direction and reach, and will forwards reflect the resin system speculum of usefulness from the light of described bulb at the different reflecting surface of the optical axis direction projected area of this optical axis left and right sides; Lens face is arranged on described reflecting surface the place ahead of this speculum, and forms the lens step is used in horizontal proliferation with lens step and hot-zone formation lens on this lens face;
It is characterized in that described each fog lamp all forms described hot-zone formation lens step in the place ahead in that big reflecting surface zone of optical axis direction projected area described in the reflecting surface zone of the described optical axis left and right sides.
2. fog lamp for vehicles according to claim 1, it is characterized in that, after being formed at described speculum, be provided with the bulb installation portion that is connected as a single entity with described speculum around the bulb insertion hole at top, around this bulb installation portion, form and described speculum cylindrical wall that be connected as a single entity, that surround this bulb installation portion.
3. fog lamp for vehicles according to claim 1 and 2 is characterized in that, forms the lug boss that is connected as a single entity with described speculum in the described reflecting surface back side of described speculum portion.
4. fog lamp for vehicles according to claim 3 is characterized in that, forms the attenuate hole at the position, described lug boss the place ahead of described reflecting surface.
5. according to each described fog lamp for vehicles in the claim 1 to 4, it is characterized in that, on described speculum, install and prevent that light from penetrating the lampshade of the described bulb insertion hole near zone of the described reflecting surface of people from described bulb.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26651795A JP3281229B2 (en) | 1995-09-20 | 1995-09-20 | Fog lights for vehicles |
| JP266517/95 | 1995-09-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1159533A true CN1159533A (en) | 1997-09-17 |
| CN1082169C CN1082169C (en) | 2002-04-03 |
Family
ID=17432001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96122543A Expired - Fee Related CN1082169C (en) | 1995-09-20 | 1996-09-19 | Fog lamp for vehicles |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3281229B2 (en) |
| KR (1) | KR0183414B1 (en) |
| CN (1) | CN1082169C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969327A (en) * | 2015-11-06 | 2017-07-21 | 西特科照明有限公司 | Lamp for internal or external illumination, particularly street lamp |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3165034B2 (en) * | 1996-06-13 | 2001-05-14 | 株式会社小糸製作所 | Auxiliary headlights for vehicles |
| JP3983381B2 (en) * | 1998-06-16 | 2007-09-26 | 富士重工業株式会社 | Fog lamp mounting structure |
| JP4786455B2 (en) * | 2006-08-09 | 2011-10-05 | 本田技研工業株式会社 | Arrangement structure of halogen bulb for vehicles |
| JP6176931B2 (en) * | 2013-01-28 | 2017-08-09 | 株式会社小糸製作所 | Vehicle headlamp |
-
1995
- 1995-09-20 JP JP26651795A patent/JP3281229B2/en not_active Expired - Fee Related
-
1996
- 1996-09-19 CN CN96122543A patent/CN1082169C/en not_active Expired - Fee Related
- 1996-09-20 KR KR1019960041035A patent/KR0183414B1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969327A (en) * | 2015-11-06 | 2017-07-21 | 西特科照明有限公司 | Lamp for internal or external illumination, particularly street lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1082169C (en) | 2002-04-03 |
| JPH0992007A (en) | 1997-04-04 |
| KR0183414B1 (en) | 1999-04-01 |
| JP3281229B2 (en) | 2002-05-13 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20020403 Termination date: 20091019 |