JP6391727B2 - Lens module - Google Patents
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- JP6391727B2 JP6391727B2 JP2017011309A JP2017011309A JP6391727B2 JP 6391727 B2 JP6391727 B2 JP 6391727B2 JP 2017011309 A JP2017011309 A JP 2017011309A JP 2017011309 A JP2017011309 A JP 2017011309A JP 6391727 B2 JP6391727 B2 JP 6391727B2
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本発明は、レンズモジュールに関し、特に、一種のレンズモジュールに関するものである。 The present invention relates to a lens module, and more particularly to a kind of lens module.
科学技術が絶えずに発展していることに伴い、電子デバイスが絶えずにスマート化へ進化しており、デジタルカメラの他、携帯型電子デバイス、例えば、タブレットＰＣ、携帯電話等にも、レンズモジュールが配置されるようになっている。人々の使用ニーズを満たすために、レンズモジュールにより撮影された物体の画像の品質に対しても、高く求められている。しかしながら、撮影された物体の画像品質は、レンズモジュール内における各レンズの光軸の同軸度に大きく関係している。 With the continuous development of science and technology, electronic devices are constantly evolving into smart devices. In addition to digital cameras, portable electronic devices such as tablet PCs and mobile phones have lens modules. It is arranged. In order to satisfy people's usage needs, there is a high demand for the quality of images of objects taken by lens modules. However, the image quality of the photographed object is greatly related to the coaxiality of the optical axis of each lens in the lens module.
関連技術におけるレンズモジュールは、通光孔が設けられたレンズ鏡筒と、前記レンズ鏡筒内に設けられたレンズ群とを備え、レンズ群は、少なくとも２つの光学レンズを有し、通光孔の幾何学的中心を通る直線及びこれらの光学レンズの光軸が重なり合わせるべきであり、即ち、高い同軸度を保障する必要がある。また、各光学レンズ同士間の接続も非常に高い安定性を有する必要がある。しかしながら、生産製造の過程においては、高い同軸度及び安定性を保つことが困難である。 The lens module in the related art includes a lens barrel provided with a light passage hole and a lens group provided in the lens barrel. The lens group includes at least two optical lenses, and the light passage hole. The straight line passing through the geometric center of the optical axis and the optical axis of these optical lenses should overlap, i.e., a high degree of coaxiality must be ensured. Also, the connection between the optical lenses needs to have very high stability. However, it is difficult to maintain high coaxiality and stability in the production and manufacturing process.
従って、新型のレンズモジュールを提供する必要がある。 Therefore, there is a need to provide a new lens module.
本発明は、同軸度が良く、安定性が高いレンズモジュールを提供することを目的とする。 An object of the present invention is to provide a lens module with good coaxiality and high stability.
本発明の技術案は、下記のとおりである。
通光孔が設けられた第１の筒壁、前記第１の筒壁から折り曲げ、延在する第２の筒壁及び前記第１の筒壁と前記第２の筒壁によって形成された収納空間を有するレンズ鏡筒と、前記収納空間内に収納され、第１のレンズ及び第２のレンズを有するレンズ群とを備えるレンズモジュールであって、
前記第１の筒壁における前記収納空間に向かう表面には、複数の第１の位置決め孔が設けられており、
前記第１のレンズは、第１の表面と、前記第１の表面に対向する第２の表面と、前記第１の表面及び前記第２の表面を貫通する複数の第１の貫通孔と、前記第１の貫通孔及び前記第１の位置決め孔を順次に貫通して前記第１のレンズを前記第１の筒壁に固定する複数の第１の位置決め部材とを備え、
前記第１のレンズは、前記第２の表面に設けられた複数の第２の位置決め孔を更に有し、前記第２のレンズは、第３の表面と、前記第３の表面に対向する第４の表面と、前記第３の表面及び前記第４の表面を貫通する複数の第２の貫通孔と、前記第２の貫通孔及び前記第２の位置決め孔を順次に貫通して前記第２のレンズを前記第１のレンズに固定する複数の第２の位置決め部材とを備え、
前記第２の位置決め孔は、前記第１のレンズを貫通せず、前記第２の位置決め孔は、前記第１の貫通孔と間隔を隔てて設けられている。
The technical solution of the present invention is as follows.
A first cylinder wall provided with a light transmission hole, a second cylinder wall bent and extended from the first cylinder wall, and a storage space formed by the first cylinder wall and the second cylinder wall A lens module having a lens barrel and a lens group housed in the housing space and having a first lens and a second lens,
A plurality of first positioning holes are provided on a surface of the first cylindrical wall facing the storage space,
The first lens includes a first surface, a second surface facing the first surface, a plurality of first through holes penetrating the first surface and the second surface, A plurality of first positioning members that sequentially pass through the first through hole and the first positioning hole and fix the first lens to the first cylindrical wall ;
The first lens further includes a plurality of second positioning holes provided in the second surface, and the second lens has a third surface and a third surface facing the third surface. 4, the third surface and the plurality of second through holes penetrating the third surface and the fourth surface, the second through hole and the second positioning hole sequentially passing through the second surface. And a plurality of second positioning members that fix the lens to the first lens,
The second positioning hole does not penetrate through the first lens, the second positioning holes, that provided at a first through-hole and the gap.
前記第２のレンズは、前記第４の表面に設けられた複数の第３の位置決め孔を更に有し、前記レンズ群は、第３のレンズを更に有し、前記第３のレンズは、光軸に平行する方向に沿って貫通する複数の第３の貫通孔と、前記第３の貫通孔及び前記第３の位置決め孔を順次に貫通して前記第３のレンズを前記第２のレンズに固定する複数の第３の位置決め部材とを備えることが好ましい。 The second lens further includes a plurality of third positioning holes provided in the fourth surface, the lens group further includes a third lens, and the third lens includes light A plurality of third through holes penetrating along a direction parallel to the axis, the third through hole, and the third positioning hole sequentially passing through the third lens as the second lens It is preferable to include a plurality of third positioning members to be fixed.
前記第３のレンズは、前記第３のレンズにおける、前記第２のレンズから離れる表面に設けられた複数の第４の位置決め孔を更に有し、前記レンズ群は、仕切り部材を更に備え、前記仕切り部材は、光軸に平行する方向に沿って貫通する複数の第４の貫通孔と、前記第４の貫通孔及び前記第４の位置決め孔を順次に貫通して前記仕切り部材を前記第３のレンズに固定する複数の第４の位置決め部材とを備えることが好ましい。 The third lens further includes a plurality of fourth positioning holes provided in a surface of the third lens away from the second lens, and the lens group further includes a partition member, The partition member sequentially passes through a plurality of fourth through holes penetrating along a direction parallel to the optical axis, the fourth through hole, and the fourth positioning hole, and passes the partition member through the third through hole. It is preferable to include a plurality of fourth positioning members fixed to the lens.
前記仕切り部材は、前記仕切り部材における、前記第３のレンズから離れる表面に設けられた複数の第５の位置決め孔を更に有し、前記レンズ群は、第４のレンズを更に備え、前記第４のレンズは、光軸に平行する方向に沿って貫通する複数の第５の貫通孔と、前記第５の貫通孔及び前記第５の位置決め孔を順次に貫通して前記第４のレンズを前記仕切り部材に固定する複数の第５の位置決め部材とを備えることが好ましい。 The partition member further includes a plurality of fifth positioning holes provided in a surface of the partition member that is separated from the third lens, and the lens group further includes a fourth lens, The lens includes a plurality of fifth through holes penetrating along a direction parallel to the optical axis, the fifth through hole, and the fifth positioning hole sequentially passing through the fourth lens. It is preferable to include a plurality of fifth positioning members fixed to the partition member.
複数の前記第１の位置決め孔、複数の前記第２の位置決め孔、複数の前記第３の位置決め孔、複数の前記第４の位置決め孔、複数の前記第５の位置決め孔、複数の前記第１の貫通孔、複数の前記第２の貫通孔、複数の前記第３の貫通孔、複数の前記第４の貫通孔及び複数の前記第５の貫通孔は、それぞれ光軸を中心として対称配置されていることが好ましい。 The plurality of first positioning holes, the plurality of second positioning holes, the plurality of third positioning holes, the plurality of fourth positioning holes, the plurality of fifth positioning holes, and the plurality of first The plurality of second through holes, the plurality of second through holes, the plurality of third through holes, the plurality of fourth through holes, and the plurality of fifth through holes are arranged symmetrically about the optical axis. It is preferable.
前記第１の位置決め孔、前記第２の位置決め孔、前記第３の位置決め孔、前記第４の位置決め孔及び前記第５の位置決め孔は、何れもネジ穴であり、前記第１の位置決め部材、前記第２の位置決め部材、前記第３の位置決め部材、前記第４の位置決め部材及び前記第５の位置決め部材は、何れもボルトであることが好ましい。 The first positioning hole, the second positioning hole, the third positioning hole, the fourth positioning hole, and the fifth positioning hole are all screw holes, and the first positioning member, It is preferable that all of the second positioning member, the third positioning member, the fourth positioning member, and the fifth positioning member are bolts.
前記第１のレンズは、前記第１の表面と前記第２の表面を接続する第１の側面を更に有し、前記第２のレンズは、前記第３の表面と前記第４の表面を接続する第２の側面を更に有し、前記第１の側面及び前記第２の側面は、それぞれ前記第２の筒壁に当接していることが好ましい。 The first lens further includes a first side surface that connects the first surface and the second surface, and the second lens connects the third surface and the fourth surface. It is preferable that the first side surface and the second side surface are in contact with the second cylindrical wall, respectively.
関連する技術に比べ、本発明により提供されたレンズモジュールは、次のような有益な効果を有する。
前記第１の位置決め部材が、前記第１の貫通孔及び前記第１の位置決め孔を貫通して前記第１のレンズを前記第１の筒壁に固定し、前記第２の位置決め部材が、前記第２の位置決め孔及び前記第２の貫通孔を貫通して前記第２のレンズを前記第１のレンズに固定し、前記第３の位置決め部材が、前記第３の位置決め孔及び前記第３の貫通孔を貫通して前記第３のレンズを前記第２のレンズに固定し、前記第４の位置決め部材が、前記第４の位置決め孔及び前記第４の貫通孔を貫通して前記仕切り部材を前記第３のレンズに固定し、前記第５の位置決め部材が、前記第５の貫通孔及び前記第５の位置決め孔を貫通して前記第４のレンズを前記仕切り部材に固定することにより、前記通光孔の軸線が、前記第１のレンズ、前記第２のレンズ、前記第３のレンズ及び前記第４のレンズの光軸と重なり合わせるようにし、前記レンズモジュールが高い同軸度及び安定性を有することを保障する。それとともに、前記第１の側面及び前記第２の側面が、それぞれ前記第２の筒壁に当接することにより、前記レンズモジュールの同軸度及び安定性を更に保障することができる。
Compared to related technology, the lens module provided by the present invention has the following beneficial effects.
The first positioning member passes through the first through hole and the first positioning hole and fixes the first lens to the first cylindrical wall, and the second positioning member is The second lens is fixed to the first lens through the second positioning hole and the second through-hole, and the third positioning member is provided with the third positioning hole and the third positioning hole. The third lens is fixed to the second lens through the through hole, and the fourth positioning member passes through the fourth positioning hole and the fourth through hole, and the partition member is fixed to the second lens. The fifth lens is fixed to the third lens, and the fifth positioning member passes through the fifth through-hole and the fifth positioning hole to fix the fourth lens to the partition member. The axis of the light transmission hole is the first lens, the second lens, 3 lenses and so as to overlap the optical axis of the fourth lens, ensuring that it has a high concentricity and stability the lens module. At the same time, the first side surface and the second side surface are in contact with the second cylindrical wall, respectively, so that the coaxiality and stability of the lens module can be further ensured.
以下、本発明に係る実施例における図面を参照しながら、本発明の実施例における技術案について明確に、完全に説明する。当然ながら、説明する実施例は、本発明の一部の実施例に過ぎず、全ての実施例ではない。本発明に係る実施例に基づき、当業者は、創造的労力を要せず、得られた全ての他の実施例が何れも本発明の特許請求の範囲に含まれる。 The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Of course, the embodiments to be described are only some embodiments of the present invention, and not all embodiments. Based on the embodiments according to the present invention, those skilled in the art need no creative effort, and all the other embodiments obtained are included in the claims of the present invention.
図１に示すように、前記レンズモジュール１００は、レンズ鏡筒１と、前記レンズ鏡筒１内に設けられ、前記レンズ鏡筒１に接続されたレンズ群２とを備える。 As shown in FIG. 1, the lens module 100 includes a lens barrel 1 and a lens group 2 provided in the lens barrel 1 and connected to the lens barrel 1.
図２に示すように、前記レンズ鏡筒１は、通光孔１１１が設けられた第１の筒壁１１、前記第１の筒壁１１から折り曲げ、延在する第２の筒壁１３及び前記第１の筒壁１１と前記第２の筒壁１３により囲まれて形成された収納空間１５を備える。 As shown in FIG. 2, the lens barrel 1 includes a first cylindrical wall 11 provided with a light transmission hole 111, a second cylindrical wall 13 that is bent and extends from the first cylindrical wall 11, and the A storage space 15 formed by being surrounded by the first tube wall 11 and the second tube wall 13 is provided.
前記第１の筒壁１１における前記収納空間１５に向かう表面には、複数の第１の位置決め孔１１３が設けられ、複数の前記第１の位置決め孔１１３は、前記通光孔１１１の軸線を中心として対称配置されている。 A plurality of first positioning holes 113 are provided on the surface of the first cylindrical wall 11 facing the storage space 15, and the plurality of first positioning holes 113 are centered on the axis of the light transmission hole 111. Are arranged symmetrically.
前記レンズ群２は、順次に接続された第１のレンズ３、第２のレンズ４、第３のレンズ５、仕切り部材６及び第４のレンズ７を備え、前記第１のレンズ３、前記第２のレンズ４、前記第３のレンズ５、前記仕切り部材６及び前記第４のレンズ７は、前記レンズ鏡筒１の軸方向において配置されている。 The lens group 2 includes a first lens 3, a second lens 4, a third lens 5, a partition member 6, and a fourth lens 7 that are sequentially connected, and the first lens 3, the second lens 7, and the like. The second lens 4, the third lens 5, the partition member 6, and the fourth lens 7 are arranged in the axial direction of the lens barrel 1.
図３に示すように、前記第１のレンズ３は、第１の表面３１と、前記第１の表面３１に対向する第２の表面３３と、前記第１の表面３１及び前記第２の表面３３を貫通する複数の第１の貫通孔３５と、前記第２の表面３３に設けられた複数の第２の位置決め孔３７と、前記第１の位置決め孔１１３及び前記第１の貫通孔３５と嵌合する複数の第１の位置決め部材３８と、前記第１の表面３１と前記第２の表面３３を接続する第１の側面３９とを備える。前記第１の位置決め部材３８は、前記第１の貫通孔３５及び前記第１の位置決め孔１１３を順次に貫通して前記第１のレンズ３を前記第１の筒壁１１に固定し、前記第１の側面３９は、前記第２の筒壁１３に当接している。 As shown in FIG. 3, the first lens 3 includes a first surface 31, a second surface 33 that faces the first surface 31, the first surface 31, and the second surface. A plurality of first through holes 35 penetrating through 33, a plurality of second positioning holes 37 provided in the second surface 33, the first positioning holes 113 and the first through holes 35, A plurality of first positioning members 38 to be fitted, and a first side surface 39 connecting the first surface 31 and the second surface 33 are provided. The first positioning member 38 sequentially passes through the first through hole 35 and the first positioning hole 113 to fix the first lens 3 to the first cylindrical wall 11, and One side surface 39 is in contact with the second cylindrical wall 13.
前記第１の表面３１は、順次に接続された第１の平面３１１、第１の斜面３１３及び第１の光学面３１５を備える。前記第１の平面３１１は、前記第１の筒壁１１における前記収納空間１５に向かう表面に当接しているとともに、前記第１のレンズ３の光軸に垂直し、前記第１の斜面３１３は、前記第１の筒壁１１と一定の間隔を隔てており、前記通光孔１１１は、前記第１の光学面３１５を露出させるための十分な直径を有する。 The first surface 31 includes a first plane 311, a first slope 313, and a first optical surface 315 that are sequentially connected. The first plane 311 is in contact with the surface of the first cylindrical wall 11 that faces the storage space 15, and is perpendicular to the optical axis of the first lens 3. The first inclined surface 313 is The light transmission hole 111 has a sufficient diameter for exposing the first optical surface 315. The light transmission hole 111 is spaced apart from the first cylindrical wall 11 by a certain distance.
前記第２の表面３３は、順次に接続された第２の平面３３１、第２の斜面３３３及び第２の光学面３３５を備える。前記第２の平面３３１は、前記第１の平面３１１に平行する。 The second surface 33 includes a second plane 331, a second slope 333, and a second optical surface 335 that are sequentially connected. The second plane 331 is parallel to the first plane 311.
複数の前記第１の貫通孔３５は、垂直方向において前記第１の平面３１１と前記第２の平面３３１を貫通し、複数の前記第２の位置決め孔３７は、前記第２の平面３３１に設けられている。 The plurality of first through holes 35 penetrates the first plane 311 and the second plane 331 in the vertical direction, and the plurality of second positioning holes 37 are provided in the second plane 331. It has been.
図４に示すように、前記第２のレンズ４は、第３の表面４１と、前記第３の表面４１に対向する第４の表面４３と、前記第３の表面４１及び前記第４の表面４３を貫通する複数の第２の貫通孔４５と、前記第４の表面４３に設けられた複数の第３の位置決め孔４７と、前記第２の位置決め孔３７及び前記第２の貫通孔４５と嵌合する複数の第２の位置決め部材４８と、前記第３の表面４１と前記第４の表面４３を接続する第２の側面４９とを備える。前記第２の位置決め部材４８は、前記第２の貫通孔４５及び前記第２の位置決め孔３７を順次に貫通して前記第２のレンズ４を前記第１のレンズ３に固定し、前記第２の側面４９は、前記第２の筒壁１３に当接している。 As shown in FIG. 4, the second lens 4 includes a third surface 41, a fourth surface 43 that faces the third surface 41, the third surface 41, and the fourth surface. A plurality of second through holes 45 penetrating through 43, a plurality of third positioning holes 47 provided in the fourth surface 43, the second positioning holes 37, and the second through holes 45 A plurality of second positioning members 48 to be fitted, and a second side surface 49 connecting the third surface 41 and the fourth surface 43 are provided. The second positioning member 48 sequentially passes through the second through hole 45 and the second positioning hole 37 to fix the second lens 4 to the first lens 3, and The side surface 49 is in contact with the second cylindrical wall 13.
前記第３の表面４１は、順次に接続された第３の平面４１１、第３の斜面４１３及び第３の光学面４１５を備える。前記第３の平面４１１は、前記第２の平面３３１に当接しているとともに、前記第２のレンズ４の光軸に垂直する。 The third surface 41 includes a third plane 411, a third inclined surface 413, and a third optical surface 415 that are sequentially connected. The third plane 411 is in contact with the second plane 331 and is perpendicular to the optical axis of the second lens 4.
前記第４の表面４３は、第４の平面４３１及び前記第４の平面４３１に接続された第４の光学面４３３を備え、前記第４の平面４３１は、前記第１の平面３１１に平行する。 The fourth surface 43 includes a fourth plane 431 and a fourth optical surface 433 connected to the fourth plane 431, and the fourth plane 431 is parallel to the first plane 311. .
複数の前記第２の貫通孔４５は、垂直方向において前記第３の平面４１１及び前記第４の平面４３１を貫通し、複数の前記第３の位置決め孔４７は、前記第４の平面４３１に設けられている。 The plurality of second through holes 45 penetrate the third plane 411 and the fourth plane 431 in the vertical direction, and the plurality of third positioning holes 47 are provided in the fourth plane 431. It has been.
図５に示すように、前記第３のレンズ５は、第５の表面５１と、前記第５の表面５１に対向する第６の表面５３と、前記第５の表面５１及び前記第６の表面５３を貫通する複数の第３の貫通孔５５と、前記第６の表面５３に設けられた複数の第４の位置決め孔５７と、前記第３の位置決め孔４７及び前記第３の貫通孔５５と嵌合する複数の第３の位置決め部材５８と、前記第５の表面５１と前記第６の表面５３を接続する第３の側面５９とを備える。前記第３の位置決め部材５８は、前記第３の貫通孔５５及び前記第３の位置決め孔４７を順次に貫通して前記第３のレンズ５を前記第２のレンズ４に固定し、前記第３の側面５９は、前記第２の筒壁１３に当接している。 As shown in FIG. 5, the third lens 5 includes a fifth surface 51, a sixth surface 53 facing the fifth surface 51, the fifth surface 51, and the sixth surface. A plurality of third through holes 55 penetrating 53, a plurality of fourth positioning holes 57 provided in the sixth surface 53, the third positioning holes 47 and the third through holes 55, A plurality of third positioning members 58 to be fitted, and a third side surface 59 connecting the fifth surface 51 and the sixth surface 53 are provided. The third positioning member 58 sequentially passes through the third through hole 55 and the third positioning hole 47 to fix the third lens 5 to the second lens 4, and The side surface 59 is in contact with the second cylindrical wall 13.
前記第５の表面５１は、順次に接続された第５の平面５１１、第４の斜面５１３及び第５の光学面５１５を備える。前記第５の平面５１１は、前記第４の平面４３１に当接し、前記第３のレンズ５の光軸に垂直する。 The fifth surface 51 includes a fifth plane 511, a fourth inclined surface 513, and a fifth optical surface 515 that are sequentially connected. The fifth plane 511 is in contact with the fourth plane 431 and is perpendicular to the optical axis of the third lens 5.
前記第６の表面５３は、第６の平面５３１及び前記第６の平面５３１に接続された第６の光学面５３３を備え、前記第６の平面５３１は、前記第１の平面３１１に平行する。 The sixth surface 53 includes a sixth plane 531 and a sixth optical surface 533 connected to the sixth plane 531, and the sixth plane 531 is parallel to the first plane 311. .
複数の前記第３の貫通孔５５は、垂直方向において前記第５の平面５１１及び前記第６の平面５３１を貫通し、複数の前記第４の位置決め孔５７は、前記第６の平面５３１に設けられている。 The plurality of third through holes 55 penetrates the fifth plane 511 and the sixth plane 531 in the vertical direction, and the plurality of fourth positioning holes 57 are provided in the sixth plane 531. It has been.
図６に示すように、前記仕切り部材６は、第７の表面６１と、前記第７の表面６１に対向する第８の表面６３と、前記第７の表面６１及び前記第８の表面６３を貫通する複数の第４の貫通孔６５と、前記第８の表面６３に設けられた複数の第５の位置決め孔６６と、前記第４の貫通孔６５及び前記第４の位置決め孔５７と嵌合する複数の第４の位置決め部材６７と、前記第７の表面６１と前記第８の表面６３を接続する第４の側面６８と、前記第７の表面６１と前記第８の表面６３を接続し且つ前記第４の側面６８と間隔を隔てて設けられた第５の斜面６９とを備える。前記第４の位置決め部材６７は、前記第４の貫通孔６５及び前記第４の位置決め孔５７を順次に貫通して前記仕切り部材６を前記第３のレンズ５に固定し、前記第７の表面６１及び前記第８の表面６３は、前記第１の平面３１１に平行する。 As shown in FIG. 6, the partition member 6 includes a seventh surface 61, an eighth surface 63 facing the seventh surface 61, the seventh surface 61, and the eighth surface 63. A plurality of fourth through holes 65 penetrating, a plurality of fifth positioning holes 66 provided in the eighth surface 63, and the fourth through holes 65 and the fourth positioning holes 57 are fitted. A plurality of fourth positioning members 67, a fourth side surface 68 connecting the seventh surface 61 and the eighth surface 63, and connecting the seventh surface 61 and the eighth surface 63. In addition, the fourth side surface 68 and a fifth inclined surface 69 provided at an interval are provided. The fourth positioning member 67 sequentially passes through the fourth through hole 65 and the fourth positioning hole 57 to fix the partition member 6 to the third lens 5, and the seventh surface. 61 and the eighth surface 63 are parallel to the first plane 311.
複数の前記第４の貫通孔６５は、垂直方向において前記第７の表面６１及び前記第８の表面６３を貫通し、複数の前記第５の位置決め孔６６は、前記第８の表面６３に設けられている。 The plurality of fourth through holes 65 penetrate the seventh surface 61 and the eighth surface 63 in the vertical direction, and the plurality of fifth positioning holes 66 are provided in the eighth surface 63. It has been.
図７に示すように、前記第４のレンズ７は、前記第６の平面５３１に当接する第９の表面７１と、前記第９の表面７１に対向する第１０の表面７３と、前記第９の表面７１及び前記第１０の表面７３を貫通する複数の第５の貫通孔７５と、前記第５の貫通孔７５及び前記第５の位置決め孔６６と嵌合する第５の位置決め部材７８と、前記第９の表面７１及び前記第１０の表面７３を接続する第５の側面７９とを備え、前記第５の位置決め部材７８は、前記第５の貫通孔７５及び前記第５の位置決め孔６６を順次に貫通して前記第４のレンズ７を前記仕切り部材６に固定し、前記第５の側面７９は、前記第２の筒壁１３に当接している。 As shown in FIG. 7, the fourth lens 7 includes a ninth surface 71 that abuts on the sixth plane 531, a tenth surface 73 that faces the ninth surface 71, and the ninth surface 71. A plurality of fifth through holes 75 penetrating the surface 71 and the tenth surface 73, a fifth positioning member 78 fitted to the fifth through hole 75 and the fifth positioning hole 66, A fifth side surface 79 connecting the ninth surface 71 and the tenth surface 73, and the fifth positioning member 78 includes the fifth through hole 75 and the fifth positioning hole 66. The fourth lens 7 is sequentially penetrated to fix the fourth lens 7 to the partition member 6, and the fifth side surface 79 is in contact with the second cylindrical wall 13.
前記第９の表面７１は、順次に接続された第７の平面７１１、第６の斜面７１３及び第７の光学面７１５を備える。前記第７の平面７１１は、前記第８の表面６３に当接し、前記第４のレンズ７の光軸に垂直する。 The ninth surface 71 includes a seventh plane 711, a sixth inclined surface 713, and a seventh optical surface 715 that are sequentially connected. The seventh plane 711 is in contact with the eighth surface 63 and is perpendicular to the optical axis of the fourth lens 7.
前記第１０の表面７３は、第８の平面７３１及び前記第８の平面７３１に接続された第８の光学面７３３を備え、前記第８の平面７３１は、前記第１の平面３１１に平行する。 The tenth surface 73 includes an eighth plane 731 and an eighth optical surface 733 connected to the eighth plane 731, and the eighth plane 731 is parallel to the first plane 311. .
複数の前記第５の貫通孔７５は、垂直方向において前記第７の平面７１１、前記第８の平面７３１及び前記第８の光学面７３３における前記第８の平面７３１に近い部分を貫通するが、光学の有効径に達していない。 The plurality of fifth through holes 75 pass through portions of the seventh plane 711, the eighth plane 731, and the eighth optical surface 733 that are close to the eighth plane 731 in the vertical direction. The effective optical diameter has not been reached.
本実施例においては、前記第１の位置決め孔１１３、前記第２の位置決め孔３７、前記第３の位置決め孔４７、前記第４の位置決め孔５７及び前記第５の位置決め孔６６は、何れも同じネジ穴であり、前記第１の位置決め部材３８、前記第２の位置決め部材４８、前記第３の位置決め部材５８、前記第４の位置決め部材６７及び前記第５の位置決め部材７８は、何れも同じボルトである。 In the present embodiment, the first positioning hole 113, the second positioning hole 37, the third positioning hole 47, the fourth positioning hole 57, and the fifth positioning hole 66 are all the same. It is a screw hole, and the first positioning member 38, the second positioning member 48, the third positioning member 58, the fourth positioning member 67, and the fifth positioning member 78 are all the same bolt. It is.
複数の前記第１の貫通孔３５、複数の前記第２の位置決め孔３７、複数の前記第２の貫通孔４５、複数の前記第３の位置決め孔４７、複数の前記第３の貫通孔５５、複数の前記第４の位置決め孔５７、複数の前記第４の貫通孔６５、複数の前記第５の位置決め孔６６、複数の前記第５の貫通孔７５は、それぞれ前記第１のレンズ３、前記第２のレンズ４、前記第３のレンズ５及び前記第４のレンズ７の共通の光軸を中心として対称配置されている。光軸を中心として対称配置する方法を明確に説明するための詳細については、図８に示されているとおりである。 A plurality of first through holes 35, a plurality of second positioning holes 37, a plurality of second through holes 45, a plurality of third positioning holes 47, a plurality of third through holes 55, The plurality of fourth positioning holes 57, the plurality of fourth through holes 65, the plurality of fifth positioning holes 66, and the plurality of fifth through holes 75 are the first lens 3, The second lens 4, the third lens 5, and the fourth lens 7 are arranged symmetrically about the common optical axis. The details for clearly explaining the method of symmetrical arrangement with the optical axis as the center are as shown in FIG.
本発明により提供されたレンズモジュールは、次のような有益な効果を有する。前記第１の位置決め部材３８が、前記第１の貫通孔３５及び前記第１の位置決め孔１１３を貫通して前記第１のレンズ３を前記第１の筒壁１１に固定し、前記第２の位置決め部材４８が、前記第２の貫通孔４５及び前記第２の位置決め孔３７を貫通して前記第２のレンズ４を前記第１のレンズ３に固定し、前記第３の位置決め部材５８が、前記第３の貫通孔５５及び前記第３の位置決め孔４７を貫通して前記第３のレンズ５を前記第２のレンズ４に固定し、前記第４の位置決め部材６７が、前記第４の貫通孔６５及び前記第４の位置決め孔５７を貫通して前記仕切り部材６を前記第３のレンズ５に固定し、前記第５の位置決め部材７８が、前記第５の貫通孔７５及び前記第５の位置決め孔６６を貫通して前記第４のレンズ７を前記仕切り部材６に固定することにより、前記通光孔１１１の軸線が、前記第１のレンズ３、前記第２のレンズ４、前記第３のレンズ５及び前記第４のレンズ7の光軸と重なり合わせるようにし、前記レンズモジュール１００が高い同軸度及び安定性を有することを保障することができる。それとともに、前記第１の側面３９及び前記第２の側面４９が、それぞれ前記第２の筒壁１３に当接することにより、前記レンズモジュール１００の同軸度及び安定性を更に保障することができる。 The lens module provided by the present invention has the following beneficial effects. The first positioning member 38 passes through the first through hole 35 and the first positioning hole 113 and fixes the first lens 3 to the first cylindrical wall 11, and the second A positioning member 48 passes through the second through hole 45 and the second positioning hole 37 to fix the second lens 4 to the first lens 3, and the third positioning member 58 is The third lens 5 is fixed to the second lens 4 through the third through hole 55 and the third positioning hole 47, and the fourth positioning member 67 is connected to the fourth through hole. The partition member 6 is fixed to the third lens 5 through the hole 65 and the fourth positioning hole 57, and the fifth positioning member 78 is connected to the fifth through hole 75 and the fifth positioning hole 57. The fourth lens 7 passes through the positioning hole 66 and the partition member So that the axis of the light transmission hole 111 overlaps the optical axes of the first lens 3, the second lens 4, the third lens 5, and the fourth lens 7. It can be ensured that the lens module 100 has high coaxiality and stability. At the same time, the first side surface 39 and the second side surface 49 abut against the second cylindrical wall 13 respectively, so that the coaxiality and stability of the lens module 100 can be further ensured.
上述したのは、本発明の実施形態にすぎず、当業者は、本発明の創造的構想を逸脱しない前提で、改善を行うことができるが、これらは全て本発明の保護範囲に含まれる。 The above description is only an embodiment of the present invention, and those skilled in the art can make improvements without departing from the creative concept of the present invention, all of which are included in the protection scope of the present invention.
１００ レンズモジュール
１ レンズ鏡筒
１１ 第１の筒壁
１３ 第２の筒壁
１５ 収納空間
１１１ 通光孔
１１３ 第１の位置決め孔
２ レンズ群
３ 第１のレンズ
３５ 第１の貫通孔
３７ 第２の位置決め孔
３８ 第１の位置決め部材
３７ 第２の位置決め孔
４ 第２のレンズ
５ 第３のレンズ
６ 仕切り部材
７ 第４のレンズ
DESCRIPTION OF SYMBOLS 100 Lens module 1 Lens barrel 11 1st cylinder wall 13 2nd cylinder wall 15 Storage space 111 Light transmission hole 113 1st positioning hole 2 Lens group 3 1st lens 35 1st through-hole 37 2nd Positioning hole 38 First positioning member 37 Second positioning hole 4 Second lens 5 Third lens 6 Partition member 7 Fourth lens
Claims (7)
前記第１の筒壁における前記収納空間に向かう表面には、複数の第１の位置決め孔が設けられており、
前記第１のレンズは、第１の表面と、前記第１の表面に対向する第２の表面と、前記第１の表面及び前記第２の表面を貫通する複数の第１の貫通孔と、前記第１の貫通孔及び前記第１の位置決め孔を順次に貫通して前記第１のレンズを前記第１の筒壁に固定する複数の第１の位置決め部材とを備え、
前記第１のレンズは、前記第２の表面に設けられた複数の第２の位置決め孔を更に有し、前記第２のレンズは、第３の表面と、前記第３の表面に対向する第４の表面と、前記第３の表面及び前記第４の表面を貫通する複数の第２の貫通孔と、前記第２の貫通孔及び前記第２の位置決め孔を順次に貫通して前記第２のレンズを前記第１のレンズに固定する複数の第２の位置決め部材とを備え、
前記第２の位置決め孔は、前記第１のレンズを貫通せず、前記第２の位置決め孔は、前記第１の貫通孔と間隔を隔てて設けられていることを特徴とするレンズモジュール。 A first cylinder wall provided with a light transmission hole, a second cylinder wall bent and extended from the first cylinder wall, and a storage space formed by the first cylinder wall and the second cylinder wall A lens module having a lens barrel and a lens group housed in the housing space and having a first lens and a second lens,
A plurality of first positioning holes are provided on a surface of the first cylindrical wall facing the storage space,
The first lens includes a first surface, a second surface facing the first surface, a plurality of first through holes penetrating the first surface and the second surface, A plurality of first positioning members that sequentially pass through the first through hole and the first positioning hole and fix the first lens to the first cylindrical wall ;
The first lens further includes a plurality of second positioning holes provided in the second surface, and the second lens has a third surface and a third surface facing the third surface. 4, the third surface and the plurality of second through holes penetrating the third surface and the fourth surface, the second through hole and the second positioning hole sequentially passing through the second surface. And a plurality of second positioning members that fix the lens to the first lens,
The second positioning hole, the not penetrate the first lens, the second positioning hole, the lens module characterized that you have provided at a first through-hole and the gap.
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| CN114347500A (en) * | 2020-01-03 | 2022-04-15 | 浙江舜宇光学有限公司 | Lens processing method |
| CN115291353B (en) * | 2022-08-19 | 2023-07-14 | 中国科学院长春光学精密机械与物理研究所 | Large-caliber small-spacing optical lens group, assembling and adjusting method and optical equipment |
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| JPS60197945A (en) * | 1984-03-19 | 1985-10-07 | Olympus Optical Co Ltd | Objective lens holding device |
| JPS6243316U (en) * | 1985-09-02 | 1987-03-16 | ||
| JPS63115110U (en) * | 1987-01-21 | 1988-07-25 | ||
| JP2724251B2 (en) * | 1991-04-03 | 1998-03-09 | 富士写真フイルム株式会社 | Positioning method of distance measuring lens |
| JPH10123388A (en) * | 1996-10-17 | 1998-05-15 | Sony Corp | Composite lens and optical system with it |
| JP3835619B2 (en) * | 2004-02-09 | 2006-10-18 | 京セラ株式会社 | Imaging device |
| JP2006178236A (en) * | 2004-12-22 | 2006-07-06 | Fujinon Corp | Plastic lens |
| JP2008197282A (en) * | 2007-02-09 | 2008-08-28 | Sharp Corp | Plastic lens unit, camera module and method for manufacturing them |
| DE102009055083B4 (en) * | 2009-12-21 | 2013-12-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Optical layer stack and method for its production |
| JP2013218116A (en) * | 2012-04-09 | 2013-10-24 | Sony Corp | Lens unit and imaging apparatus |
| KR101444526B1 (en) * | 2012-07-27 | 2014-09-24 | 삼성전기주식회사 | Lens module |
| CN203811871U (en) * | 2014-03-14 | 2014-09-03 | 瑞声声学科技(苏州)有限公司 | Lens module |
| CN203811875U (en) * | 2014-03-14 | 2014-09-03 | 瑞声声学科技(苏州)有限公司 | Lens module |
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