CN104516081A - Optical imaging lens - Google Patents
Optical imaging lens Download PDFInfo
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- CN104516081A CN104516081A CN201310457232.5A CN201310457232A CN104516081A CN 104516081 A CN104516081 A CN 104516081A CN 201310457232 A CN201310457232 A CN 201310457232A CN 104516081 A CN104516081 A CN 104516081A
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- lens
- inclined plane
- plane part
- chimeric
- face
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
Abstract
The invention relates to an optical lens. The invention provides an optical imaging lens comprising a lens cone, and a front supporting lens, multiple embedding lenses and a rear supporting lens which are arranged in the lens cone in a mutual embedding way. The lenses respectively comprise an object side surface and an image side surface. The lens cone comprises a surrounding wall and a front wall which is connected on one end of the surrounding wall. The front wall comprises a lens cone abutting part and a lens cone reverse inclined plane part which is connected with the lens cone abutting part. The front supporting lens and the embedding lenses also comprise a central lens part and an external side assembling part. The external side assembling part is provided with a front abutting part and a front reverse inclined plane part which are arranged at the object side surface, and a rear abutting part and a rear inclined plane part which are arranged at the image side surface. The rear supporting lens also comprises a central lens part and an external side assembling part. The external side assembling part is provided with a front abutting part and a front reverse inclined plane part which are arranged at the object side surface. The optical imaging lens is used for realization of simple and effective enhancement of assembling precision.
Description
Technical field
The invention relates to a kind of optical lens, refer to a kind of optical imaging lens especially.
Background technology
Japanese Patent JP3739295 patent (hereinafter referred to as JP295) discloses a kind of package assembly of optical imaging lens, and this imaging lens mainly comprises a lens barrel and multiple lens be arranged in this lens barrel.When assembling this imaging lens, the thing side of the lens of this lens barrel front end contiguous has the vertical plane that is connected to the abutting place of this lens barrel front end, and its image side mask has a circular cone bearing surface, but the thing side of each of all the other lens and face, image side have a circular cone bearing surface respectively, the extension line of described circular cone bearing surface intersects on the thing side optical axis of each lens.When assembling this optical imaging lens, two adjacent lens, when other positions neither contact with each other, only by described circular cone bearing surface chimeric location mutually, finally fix with solid, and lensed edge neither contact lens barrel internal face again.But because the lensed edge of institute and lens barrel internal face leave gap, therefore when pouring into solid, be difficult to avoid uncured solid to flow in this gap, the solid after solidification can cause lens modification because of expanding with heat and contract with cold, and affects image quality.In addition, all lens be all be positioned previous lens by circular cone bearing surface after, but the lens of this lens barrel front end contiguous are but be resisted against in the abutting place of lens barrel front end with vertical plane, therefore whole group of lens only have relative to this lens barrel and fix in the axial direction, there is no method location diametrically, because CCD assembling is assembled on this lens barrel, therefore migration imagery can be caused.
Publication number No. 201202779 Patent Case (hereinafter referred to as TW779) in Taiwan discloses a kind of package assembly of optical imaging lens, and this optical imaging lens mainly comprises a lens barrel and multiple lens be arranged in this lens barrel.Lens and the lens barrel front end of this lens barrel front end contiguous are the circular conical surface abutting arrangement being intersected at the optical axis of thing side by extension line, reach and these lens all can be located in axis and radial direction, and the lens of follow-up abutting can be made sequentially to be positioned by this in axis and radial direction.But, if before aperture is placed in the lens of this lens barrel front end contiguous by optical design, because these lens and this lens barrel only utilize part pyramid like configuration mutually chimeric, and these lens and this lens barrel are all plastic material, therefore there is certain elasticity, the slightly different change that will cause insert depth of the power of exerting pressure when assembling, causes the relative position being not easy fixed aperture and these lens, easily produces error and then causes the assembling quality between each camera lens uneven.In addition, because the part pyramid like configuration extension line of these lens intersects at thing side, and consider the angle problem that this lens barrel front opening light enters, therefore the front-end architecture design of this lens barrel is quite complicated, therefore be also not easy to control its precision when making, and then affect lens assembling precision.
In sum, the assembly precision of traditional optical imaging lens, except affecting by rims of the lens structure precision, also can be subject to the structure precision impact of lens barrel itself.Although and the technology of JP295 reduces lens barrel precision to the impact of assembly precision, adopt the abutting arrangement of vertical plane between lens barrel and lens, and the location in radial direction cannot be reached.In addition, traditional package assembly due to lens and lens barrel be closely to engage, therefore put that glue is fixing can't have problems, but JP295 is owing to having gap between lens and lens barrel, is difficult to during point glue avoid solid to infiltrate and expands with heat and contract with cold after hardening and cause lens modification.Although TW779 improve the lens of JP295 and the vertical plane of lens barrel abutting arrangement and cannot the shortcoming of radial location, lens and the Qian He of lens barrel cannot be firm, and can cause and be difficult to stable aperture and the problem of the relative position of lens between this.In addition, the planform of lens barrel front end is more complicated, therefore is also not easy to control its precision in making, and affects the assembly precision of overall camera lens.
Summary of the invention
Therefore, object of the present invention, namely provide a kind of promote assembly precision and lens in radial and axially all can be positioned the optical imaging lens of lens barrel.
So optical imaging lens of the present invention comprises a lens barrel, front support lens, multiple chimeric lens, rear support lens, and a fixed cell.Said lens comprises one respectively towards the thing side and of thing side towards the face, image side of image side.
This lens barrel comprises the antetheca that a surrounding wall, is connected to one end of this surrounding wall.This antetheca includes a lens barrel abutting part, and one connects the lens barrel of this lens barrel abutting part against inclined plane part.
These front support lens also comprise assembled portion outside a central lens portion and.Outside this assembled portion have be positioned at thing side one before inverse inclined plane part before abutting part and, and be positioned at face, image side one after inverse inclined plane part.
The plurality of chimeric lens also comprise assembled portion outside a central lens portion and respectively.Each outside assembled portion has the front inverse inclined plane part being positioned at thing side and the rear inverse inclined plane part being positioned at face, image side.
These rear support lens also comprise assembled portion outside a central lens portion and.Outside this, assembled portion has the front inverse inclined plane part being positioned at thing side.
Wherein, this front abutting parts of this front support lens and this front inverse inclined plane part abut the lens barrel abutting part of this antetheca and lens barrel are embedded in this lens barrel antetheca against inclined plane part respectively.The plurality of chimeric lens are matched by its forward and backward inverse inclined plane part and abut and be mutually embedded in this front support lens, and the front inverse inclined plane part of the chimeric lens of these front support lens contiguous abuts the rear inverse inclined plane part of these front support lens and is embedded in this front support lens.After these rear support lens are arranged at the plurality of chimeric lens, and the front inverse inclined plane part of these rear support lens abuts the rear inverse inclined plane part of contiguous these rear support lens person in the plurality of chimeric lens and is embedded in this chimeric lens.
Effect of the present invention is: when this optical imaging lens is assembled, simultaneously these front support lens are connected to the lens barrel abutting part of the antetheca of this lens barrel respectively by this front abutting part and this front inverse inclined plane part and lens barrel completes the antetheca being embedded in this lens barrel against inclined plane part, avoid these front support lens to be embedded in the degree of depth of this antetheca different and cause the relative offset of aperture and these front support lens being arranged at this light shielding part, and affect this optical imaging lens assembly precision.
Accompanying drawing explanation
Of the present invention other feature and effect, by reference to accompanying drawing preferred embodiment describe in detail in clearly present, wherein:
Fig. 1 is a cross-sectional schematic, and the syntagmatic of each inter-module of one first preferred embodiment of optical imaging lens of the present invention is described;
Fig. 2 is a cross-sectional schematic, and the forward and backward inverse ultimate range relation between inclined plane part and optical axis of each lens of this first preferred embodiment is described;
Fig. 3 is a cross-sectional schematic, and the syntagmatic of each inter-module of one second preferred embodiment of optical imaging lens of the present invention is described;
Fig. 4 is a cross-sectional schematic, and the syntagmatic of each inter-module of one the 3rd preferred embodiment of optical imaging lens of the present invention is described;
Fig. 5 is a cross-sectional schematic, and the syntagmatic of each inter-module of one the 4th preferred embodiment of optical imaging lens of the present invention is described; And
Fig. 6 is a cross-sectional schematic, and the syntagmatic of each inter-module of one the 5th preferred embodiment of optical imaging lens of the present invention is described.
[symbol description]
2 lens barrels
21 surrounding walls
22 antethecas
221 lens barrel abutting parts
222 lens barrels are against inclined plane part
223 light shielding parts
224 lens barrels are along inclined plane part
3 front support lens
31 thing sides
32 face, image sides
33 central lens portions
Assembled portion outside 34
Abutting part before 341
Inverse inclined plane part before 342
Abutting part after 343
Inverse inclined plane part after 344
Along inclined plane part before 345
Along inclined plane part after 346
Outer recess before 347
Outer recess after 348
4 chimeric lens
41 thing sides
42 face, image sides
43 central lens portions
Assembled portion outside 44
Abutting part before 441
Inverse inclined plane part before 442
Abutting part after 443
Inverse inclined plane part after 444
Along inclined plane part before 445
Along inclined plane part after 446
Outer recess before 447
Outer recess after 448
5 rear support lens
51 thing sides
52 face, image sides
53 central lens portions
Assembled portion outside 54
Abutting part before 541
Inverse inclined plane part before 542
Along inclined plane part before 543
Flange part after 544
Outer recess before 545
6 fixed cells
61 ring bodies
611 annular recess
62 colloids
7 annular grooves.
Embodiment
Aforementioned and other technology contents, feature and effect for the present invention, in the following detailed description coordinated with reference to five preferred embodiments of accompanying drawing, can clearly present.
Before the present invention is described in detail, it should be noted that in the following description content, similar assembly represents with identical numbering.
Consult Fig. 1, one first preferred embodiment of optical imaging lens of the present invention, comprise a lens barrel 2, the front support lens 3 be arranged in this lens barrel 2, multiple chimeric lens 4 and rear support lens 5, an and fixed cell 6.Said lens 3,4,5 comprises one respectively towards the thing side 31,41,51 and of thing side towards the face, image side 32,42,52 of image side.
This lens barrel 2 comprises the antetheca 22 that a surrounding wall 21, is connected to one end of this surrounding wall 21.This antetheca 22 includes the lens barrel of this lens barrel abutting part 221 of lens barrel abutting part 221, connection against inclined plane part 222 from outside to inside in the radial direction of this lens barrel 2, and one connects the light shielding part 223 of this lens barrel against inclined plane part 222.
These front support lens 3 also comprise assembled portion 34 outside a central lens portion 33 and.Outside this assembled portion 34 have be positioned at thing side 31 one before inverse inclined plane part 342 before abutting part 341 and, and be positioned at face, image side 32 one after inverse inclined plane part 344.The front inverse inclined plane part 342 of these front support lens 3 is positioned between its front abutting part 341 and this central lens portion 33.What illustrate is, this central lens portion 33 is the regions that can produce optical effect, explain with the scope of optics effective diameter in this preferred embodiment, part outside optics effective diameter is then outside assembled portion 34, outside this, assembled portion 34 also can be only have the position contacted with each other with other lenses on the other hand, remaining part is then central lens portion 33, should not be limited with the content disclosed by this preferred embodiment.
The plurality of chimeric lens 4 also comprise assembled portion 44 outside a central lens portion 43 and respectively.Each outside assembled portion 44 has the front inverse inclined plane part 442 being positioned at thing side 41 and the rear inverse inclined plane part 444 being positioned at face, image side 42.What illustrate is, this central lens portion 43 is the regions that can produce optical effect, explain with the scope of optics effective diameter in this preferred embodiment, part outside optics effective diameter is then outside assembled portion 44, outside this, assembled portion 44 also can be only have the position contacted with each other with other lenses on the other hand, remaining part is then central lens portion 43, should not be limited with the content disclosed by this preferred embodiment.
These rear support lens 5 also comprise assembled portion 54 outside a central lens portion 53 and.Outside this, assembled portion 54 has the front inverse inclined plane part 542 being positioned at thing side 51.What illustrate is, this central lens portion 53 is the regions that can produce optical effect, explain with the scope of optics effective diameter in this preferred embodiment, part outside optics effective diameter is then outside assembled portion 54, outside this, assembled portion 54 also can be only have the position contacted with each other with other lenses on the other hand, remaining part is then central lens portion 53, should not be limited with the content disclosed by this preferred embodiment.In addition, flange part 544 after these rear support lens 5 can have more, position is between this fixed cell 6 and this central lens portion 53.
This fixed cell 6 comprises a ring body 61 and colloid 62.In this preferred embodiment, that the example being provided with this fixed cell 6 explains, if when these rear support lens 5 do not have gap with the surrounding wall 21 of this lens barrel 2 certainly, also can complete fixing under the state not using this ring body 61, should not be limited with the content disclosed by this preferred embodiment.In addition, this fixed cell 6 also can use thermoplastic components, is arranged on this lens barrel 2 in the mode of hot pressing to be fixed in this lens barrel 2 by described lens 3,4,5.
Wherein, these front support lens 3, and the front inverse maximum normal distance between inclined plane part 342,442 and optical axis I of the plurality of chimeric lens 4 is less than rear inverse maximum normal distance between inclined plane part 344,444 and optical axis I, namely D31<D32<D41<D42LE ssT.LTssT.LTD41'<D42'<D41''LEs sT.LTssT.LTD42''(is shown in Fig. 2).Front abutting part 341 and this lens barrel abutting part 221 of these front support lens 3 are respectively one perpendicular to the planar annular of optical axis I.What illustrate is, in this preferred embodiment, during combination by thing side to image side, described forward and backward inverse inclined plane part 342,344,442,444,542 is generally explained by the example of optical axis linear trend outside gradually, this array mode can form the mechanical structure of similar arch bridge, and therefore bond strength is better.If certainly in the usual more large stretch of wide-angle lens of front support lens 3, also can change described forward and backward inverse inclined plane part 342,344,442,444,542 into is generally that therefore this unitized construction has intensity and wide usage concurrently by outside gradually to the unitized construction that optical axis is close.
When this optical imaging lens is assembled, this front abutting part 341 of these front support lens 3 and this front inverse inclined plane part 342 abut the lens barrel abutting part 221 of this antetheca 22 and lens barrel are embedded in this lens barrel 2 antetheca 22 against inclined plane part 222 respectively, and the internal face of the side face of these front support lens 3 and this surrounding wall 21 has a gap.The plurality of chimeric lens 4 are matched by its forward and backward inverse inclined plane part 442,444 and to abut and after being mutually embedded in these front support lens 3, and the front inverse inclined plane part 442 of the chimeric lens 4 of these front support lens 3 contiguous abuts the rear inverse inclined plane part 344 of these front support lens 3 and is embedded in this front support lens 3, and there is a gap between the side face of each chimeric lens 4 and the internal face of this surrounding wall 21.After these rear support lens 5 are arranged at the plurality of chimeric lens 4, and the front inverse inclined plane part 542 of these rear support lens 5 abuts the rear inverse inclined plane part 444 of these rear support lens contiguous in the plurality of chimeric lens 4 and is embedded in this chimeric lens 4, and the side face of these rear support lens 5 is sticked in the internal face of this surrounding wall 21.Finally being arranged by the ring body 61 of this fixed cell 6 is connected between the face, image side 52 of these rear support lens 5 and the internal face of this surrounding wall 21, and by 62, this colloid between this ring body 61, these rear support lens 5 and this surrounding wall 21, make this colloid 62 connect this ring body 61, the face, image side of these rear support lens 5 and the internal face of this surrounding wall 21, and these rear support lens 5 and this ring body 61 are fixed in this lens barrel 2.
Consult Fig. 3, one second preferred embodiment of optical imaging lens of the present invention, this first preferred embodiment identical haply, this second preferred embodiment and this first preferred embodiment difference are that the outside assembled portion 34 of these front support lens 3 also has the rear abutting part 343 that is positioned at face, image side, and the rear inverse inclined plane part 344 of these front support lens 3 is positioned at thereafter between abutting part 343 and this central lens portion 33.The outside assembled portion 44 of the plurality of chimeric lens 4 also has the rear abutting part 443 that a front abutting part 441 and being positioned at thing side is positioned at face, image side respectively.The forward and backward inverse inclined plane part 442,444 of the plurality of chimeric lens 4 lays respectively between its forward and backward abutting part 441,443 and this central lens portion 43.The side face of the plurality of chimeric lens 4 wherein one is sticked in the internal face of the surrounding wall 21 of this lens barrel 2.The outside assembled portion 54 of these rear support lens 5 also has the front abutting part 541 that is positioned at thing side.The front inverse inclined plane part 542 of these rear support lens 5 is positioned between its front abutting part 541 and this central lens portion 53.The internal face of the side face of these rear support lens 5 and the surrounding wall 21 of this lens barrel 2 has a gap.The forward and backward abutting part 343,441,443 of these front support lens 3 and the plurality of chimeric lens 4 and the front abutting part 541 of these rear support lens 5 are respectively one perpendicular to the planar annular of optical axis I.This fixed cell 6 comprises a setting and is connected to ring body 61 between the face, image side 52 of these rear support lens 5 and the internal face of this surrounding wall 21 and colloid 62.The internal face place of this ring body 61 this surrounding wall 21 contiguous has an annular recess 611, and this annular recess 611 matches with the internal face of this surrounding wall 21 and defines an annular groove 7.This colloid 62 is filled in this annular groove 7 and connects the internal face of this ring body 61 and this surrounding wall 21, and this ring body 61 is fixed on the surrounding wall 21 of this lens barrel 2.
When this optical imaging lens is assembled, by abutting against of the plurality of forward and backward abutting part 343,441,443,541, these front support lens 3 more preferably can be promoted, assembly precision when mutually combining between these rear support lens 5 with described chimeric lens 4 and anchorage force.
Consult Fig. 4, one the 3rd preferred embodiment of optical imaging lens of the present invention, this first preferred embodiment identical haply, 3rd preferred embodiment and this first preferred embodiment difference are: the antetheca 22 of this lens barrel 2 includes a lens barrel against inclined plane part 222 from outside to inside in the radial direction of this lens barrel 2, one connects the lens barrel abutting part 221 of this lens barrel against inclined plane part 222, and one connects the light shielding part 223 of this lens barrel abutting part 221, the outside assembled portion 34 of these front support lens 3 also has the rear abutting part 343 that is positioned at face, image side, the rear abutting part 343 of these front support lens 3 is positioned at thereafter against between inclined plane part 344 and this central lens portion 33.The outside assembled portion 44 of the plurality of chimeric lens 4 also has the rear abutting part 443 that a front abutting part 441 and being positioned at thing side is positioned at face, image side respectively.The forward and backward abutting part 441,443 of the plurality of chimeric lens 4 lays respectively at that it is forward and backward inverse between inclined plane part 442,444 and this central lens portion 43.The outside assembled portion 54 of these rear support lens 5 also has the front abutting part 541 that is positioned at thing side.The front abutting part 541 of these rear support lens 5 is inverse between inclined plane part 542 and this central lens portion 53 before being positioned at it.The forward and backward abutting part 343,441,443 of these front support lens 3 and the plurality of chimeric lens 4 and the front abutting part 541 of these rear support lens 5 are respectively one perpendicular to the planar annular of optical axis I.
When this optical imaging lens is assembled, by abutting against of the plurality of forward and backward abutting part 343,441,443,541, these front support lens 3 more preferably can be promoted, assembly precision when mutually combining between these rear support lens 5 with described chimeric lens 4 and anchorage force.
Consult Fig. 5, one the 4th preferred embodiment of optical imaging lens of the present invention, identical 3rd preferred embodiment haply, the 4th preferred embodiment and the 3rd preferred embodiment difference are: this lens barrel 2 also include one with this lens barrel against the spaced lens barrel of inclined plane part 222 along inclined plane part 224.These front support lens 3, and the outside assembled portion 34,44 of the plurality of chimeric lens 4 also have respectively one be positioned at thing side 31,41 and with this front inverse inclined plane part 342,442 spaced before along inclined plane part 345,445, and one be positioned at face, image side 32 and with this rear inverse inclined plane part 344,444 spaced rear along inclined plane part 346,446.The outside assembled portion 54 of these rear support lens 5 also has one and is positioned at thing side 51 and front suitable inclined plane part 543 spaced with this front inverse inclined plane part 542.
When this preferred embodiment is that this optical imaging lens is assembled compared to the advantage of the first preferred embodiment, can further by described forward and backward promote assembling along inclined plane part 224,345,445,346,446,543 time aligning accuracy.
Consult Fig. 6, one the 5th preferred embodiment of optical imaging lens of the present invention, identical 3rd preferred embodiment haply, 5th preferred embodiment and the 3rd preferred embodiment difference are this front support lens 3, and the plurality of chimeric lens 4 also comprise the front outer recess 347,447 that is positioned at thing side 31,41 and side face intersection respectively, and the rear outer recess 348,448 that is positioned at face, image side 32,42 and side face intersection.These rear support lens 5 also comprise the front outer recess 545 that is positioned at thing side 51 and side face intersection.Because lens may some microtriche limit after ejection formation, if have burr can affect the adaptation of two adjacent lens when assembling and affect assembly precision, the space therefore formed by described outer recess 347,447,348,448 can be held burr and be unlikely to affect assembly precision.
By the composition of above-mentioned five preferred embodiments, advantage of the present invention and effect can be summarized as follows;
One, when this optical imaging lens is assembled, simultaneously these front support lens 3 are connected to the lens barrel abutting part 221 of the antetheca 22 of this lens barrel 2 respectively by this front abutting part 341 and this front inverse inclined plane part 342 and lens barrel completes against inclined plane part 222 antetheca 22 being embedded in this lens barrel 2, cause to avoid the degree of depth being embedded in this antetheca 22 of these front support lens 3 different and be arranged at the aperture (not shown) of this light shielding part 223 and the relative offset of these front support lens 3, and affect this optical imaging lens assembly precision;
Two, this lens barrel antetheca 22 tool is against inclined plane part 222 and lens barrel abutting part 222, structure is simple, the precision controlling mould, injection is easier to when making this lens barrel 2, if add light shielding part 223, the light in proper angle then can be allowed just to enter the plurality of lens 3,4,5 in lens barrel 2, increase overall image quality, and reduce the plurality of lens 3,4,5, the complexity of lens barrel 2 when designing;
Three, first the plurality of lens 3,4,5 are done preliminary fixing by the ring body 61 of this fixed cell 6, and block the gap of the side face of these rear support lens 5 and the internal face of this surrounding wall 21, then bind the internal face of this ring body 61, these rear support lens 5 and this surrounding wall 21 to reach fixed effect by this colloid 62.It is worth mentioning that, although the internal face of the surrounding wall 21 of this lens barrel 2 does not directly contact with the side face of the plurality of lens 3,4,5 of part, but this ring body 61 is arranged in pairs or groups, this colloid 62 can produce radial junction with joint efforts with these rear support lens 5, and this ring body 61 is arranged in pairs or groups, the plurality of lens 3,4,5 and this lens barrel 2 also can be produced axial adhesion by colloid 62, and then reach firm fixed effect and this colloid 62 can be avoided again to flow into gap and then cause the plurality of lens 3,4,5 to be out of shape;
Four, when assembling fixing, these rear support lens 5 also have position when the rear flange part 544 in face, image side, then this fixed cell 6 can be arranged at the recessed area of rear flange part 544 self-assembling formations of these rear support lens 5, therefore under the prerequisite that firmly can complete assembling, completely without the need to additionally increasing the length of this lens barrel 2, the miniature requirement of this optical imaging lens therefore can be maintained.In addition, the elevated regions formed by the rear flange part 544 of these rear support lens 5 on face, image side can prevent colloid 62 from overflowing to optics effective diameter part;
Five, when this optical imaging lens combines by thing side to image side, described forward and backward inverse inclined plane part 342,344,442,444,542 is generally by optical axis linear trend outside gradually, this array mode can form the mechanical structure of similar arch bridge, makes these front support lens 3, the plurality of chimeric lens 4 and these rear support lens 5 bond strength to each other better.Coordinate the side face through these rear support lens 5 to be sticked in the internal face of the surrounding wall 21 of this lens barrel 2 again, thus be arranged at more firmly spacing to these front support lens 3, the plurality of chimeric lens 4 and this rear support lens 5 in this lens barrel 2.If certainly in the usual more large stretch of wide-angle lens of front support lens 3, also can change described forward and backward inverse inclined plane part 342,344,442,444,542 into is generally that therefore this unitized construction has intensity and wide usage concurrently by outside gradually to the unitized construction that optical axis is close;
Six, because the plurality of lens 3,4,5 are when model, produce how much burr to be produced in peripheral edge margin, but the plurality of lens 3,4,5 are when being entrenched togather, its front outer recess 347,447,545 and contiguous rear outer recess 348,448 can match the space formed in order to avoid the burr of the plurality of lens 3,4,5 mutually to extrude.
Although specifically show in conjunction with preferred embodiment and describe the present invention; but those skilled in the art should be understood that; not departing from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (16)
1. an optical imaging lens, comprises a lens barrel and is arranged at the front support lens in this lens barrel, multiple chimeric lens and rear support lens, and said lens comprises one respectively towards the thing side and of thing side towards the face, image side of image side;
This lens barrel comprises the antetheca that a surrounding wall, is connected to one end of this surrounding wall, and this antetheca includes a lens barrel abutting part, and one connects the lens barrel of this lens barrel abutting part against inclined plane part;
These front support lens also comprise assembled portion outside a central lens portion and, outside this assembled portion have be positioned at thing side one before inverse inclined plane part before abutting part and, and be positioned at face, image side one after inverse inclined plane part;
The plurality of chimeric lens also comprise assembled portion outside a central lens portion and respectively, and each outside assembled portion has the front inverse inclined plane part being positioned at thing side and the rear inverse inclined plane part being positioned at face, image side;
These rear support lens also comprise assembled portion outside a central lens portion and, and outside this, assembled portion has the front inverse inclined plane part being positioned at thing side;
Wherein, this front abutting part of these front support lens and this front inverse inclined plane part abut the lens barrel abutting part of this antetheca and lens barrel are embedded in this lens barrel antetheca against inclined plane part respectively, the plurality of chimeric lens are by before it, afterwards against inclined plane part match abut and be mutually embedded in this front support lens, and the front inverse inclined plane part of the chimeric lens of these front support lens contiguous abuts the rear inverse inclined plane part of these front support lens and is embedded in this front support lens, after these rear support lens are arranged at the plurality of chimeric lens, and the front inverse inclined plane part of these rear support lens abuts the rear inverse inclined plane part of contiguous these rear support lens person in the plurality of chimeric lens and is embedded in this chimeric lens.
2. optical imaging lens as claimed in claim 1, it is characterized in that, the outside assembled portion of these front support lens also has the rear abutting part that is positioned at face, image side, the outside assembled portion of the plurality of chimeric lens also has the rear abutting part that a front abutting part and being positioned at thing side is positioned at face, image side respectively, the outside assembled portion of these rear support lens also has the front abutting part that is positioned at thing side, wherein, before its of the plurality of chimeric lens, rear abutting part matches abutting, and the front abutting part of the chimeric lens of these front support lens contiguous abuts the rear abutting part of these front support lens and is embedded in this front support lens, the front abutting part of these rear support lens abuts the rear abutting part of contiguous these rear support lens person in the plurality of chimeric lens respectively.
3. optical imaging lens as claimed in claim 1, it is characterized in that, the side face of these rear support lens is sticked in the internal face of this surrounding wall.
4. optical imaging lens as claimed in claim 1, is characterized in that, the side face of the plurality of chimeric lens wherein one is sticked in the internal face of this surrounding wall.
5. the optical imaging lens as described in claim 3 or 4, is characterized in that, the side face of these front support lens is sticked in the internal face of this surrounding wall.
6. the optical imaging lens as described in as arbitrary in Claims 1-4, is characterized in that, also comprise a fixed cell.
7. optical imaging lens as claimed in claim 6, is characterized in that, this fixed cell comprises a setting and is connected to ring body between the face, image side of these rear support lens and the internal face of this surrounding wall, and the colloid that connects the internal face of this ring body and this surrounding wall.
8. optical imaging lens as claimed in claim 7, is characterized in that, the face, image side of these rear support lens also comprises a rear flange part between intermediate lens portion and side face, this fixed cell position at this rear flange part diametrically away from the side of optical axis.
9. optical imaging lens as claimed in claim 7, it is characterized in that, this colloid also connects the face, image side of these rear support lens.
10. optical imaging lens as claimed in claim 7, it is characterized in that, the internal face place of this ring body this surrounding wall contiguous has an annular recess, this annular recess matches with the internal face of this surrounding wall and defines an annular groove, and this colloid is filled in this annular groove and connects the internal face of this ring body and this surrounding wall.
11. optical imaging lens as claimed in claim 1, is characterized in that, the front inverse maximum normal distance between inclined plane part and optical axis of these front support lens, the plurality of chimeric lens is less than rear inverse maximum normal distance between inclined plane part and optical axis.
12. optical imaging lens as claimed in claim 1, it is characterized in that, the antetheca of this lens barrel includes a lens barrel abutting part, from outside to inside in the radial direction of this lens barrel and connects the lens barrel of this lens barrel abutting part against inclined plane part, and one connects the light shielding part of this lens barrel against inclined plane part, the forward and backward inverse inclined plane part of these front support lens and the plurality of chimeric lens lays respectively between its forward and backward abutting part and this central lens portion, and the front inverse inclined plane part of these rear support lens is positioned between its front abutting part and this central lens portion.
13. optical imaging lens as claimed in claim 1, it is characterized in that, the antetheca of this lens barrel includes a lens barrel from outside to inside in the radial direction of this lens barrel and connects the lens barrel abutting part of this lens barrel against inclined plane part against inclined plane part, and one connects the light shielding part of this lens barrel abutting part, the forward and backward abutting part of these front support lens and the plurality of chimeric lens lays respectively at that it is forward and backward inverse between inclined plane part and this central lens portion, and the front abutting portion of these rear support lens is inverse between inclined plane part and this central lens portion before it.
14. optical imaging lens as claimed in claim 1, is characterized in that, the forward and backward abutting part of these front support lens and the plurality of chimeric lens, the front abutting part of these rear support lens, and this lens barrel abutting part is respectively one perpendicular to the planar annular of optical axis.
15. optical imaging lens as claimed in claim 1, it is characterized in that, the outside assembled portion of these front support lens and the plurality of chimeric lens also has one respectively and is positioned at thing side and front suitable inclined plane part spaced with this front inverse inclined plane part, and one is positioned at face, image side and rear suitable inclined plane part spaced with this rear inverse inclined plane part, the outside assembled portion of these rear support lens also have one be positioned at thing side and spaced with this front inverse inclined plane part before along inclined plane part, the antetheca of this lens barrel also include one with this lens barrel against the spaced lens barrel of inclined plane part along inclined plane part.
16. optical imaging lens as claimed in claim 1, it is characterized in that, these front support lens, the plurality of chimeric lens, and these rear support lens also comprise the rear outer recess that is positioned at face, image side and side face intersection respectively, and the front outer recess that is positioned at thing side and side face intersection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310457232.5A CN104516081A (en) | 2013-09-30 | 2013-09-30 | Optical imaging lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310457232.5A CN104516081A (en) | 2013-09-30 | 2013-09-30 | Optical imaging lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104516081A true CN104516081A (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310457232.5A Pending CN104516081A (en) | 2013-09-30 | 2013-09-30 | Optical imaging lens |
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| Country | Link |
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| CN (1) | CN104516081A (en) |
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