JP2006126673A - Structure of mounting lens - Google Patents

Structure of mounting lens Download PDF

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Publication number
JP2006126673A
JP2006126673A JP2004317371A JP2004317371A JP2006126673A JP 2006126673 A JP2006126673 A JP 2006126673A JP 2004317371 A JP2004317371 A JP 2004317371A JP 2004317371 A JP2004317371 A JP 2004317371A JP 2006126673 A JP2006126673 A JP 2006126673A
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lens
optical lens
optical
cylindrical
projecting
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Shoichi Kyotani
昇一 京谷
Toshihiro Sakurai
俊博 櫻井
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Alps Electric Co Ltd
アルプス電気株式会社
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a structure of mounting a lens with which deviation of an optical axis is made small and precise mounting can be conducted. <P>SOLUTION: The structure of mounting the lens is provided with a holding member 1 having a cylindrical section 2, an optical lens member 4 mounted in the front section within the cylindrical section 2 and an optical lens 7 mounted at the back section of the optical lens member 4 within the cylindrical section 2. Tip sections of projected sections 7b of the optical lens 7 are engaged with notched sections 6e provided on pulled out sections 6b of the optical lens member 4 so as to match the optical axes of the optical lens member 4 with the optical lens 7. Therefore, dispersion between the optical lens 7 and the optical lens member 4 is made small compared with a conventional case in which positioning is conducted for the optical lens member within the cylindrical section. Thus, an optical axis G deviation of the optical lens 7 and the optical lens member 4 is made small and precise lens mounting is achieved. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は携帯電話機等のカメラモジュール等に使用して好適なレンズの取付構造に関する。   The present invention relates to a lens mounting structure suitable for use in a camera module such as a mobile phone.
図2は従来のレンズの取付構造に係る要部縦断面図であり、従来のレンズの取付構造の構成を図2に基づいて説明すると、保持部材51は、筒状部52と、この筒状部52の後方部に設けられ、底面上に傾斜状突部53aが設けられた底板部53と、筒状部52の前方部に取り付けられたレンズ押さえ部54を有する。   FIG. 2 is a longitudinal sectional view of a main part of a conventional lens mounting structure. The structure of the conventional lens mounting structure will be described with reference to FIG. 2. The holding member 51 includes a cylindrical portion 52 and the cylindrical shape. The bottom plate portion 53 is provided at the rear portion of the portion 52 and provided with an inclined protrusion 53 a on the bottom surface, and the lens pressing portion 54 is attached to the front portion of the cylindrical portion 52.
全体が円形状をなした第1の光学レンズ部材55は、レンズ部55aと、このレンズ部55aから横方向に突出した張出部55bと、この張出部55bの後方部(下面)に設けられた傾斜状突部55cと、張出部55bの前方部(上面)に設けられた傾斜状突部55dを有する。   The first optical lens member 55 having a circular shape as a whole is provided on the lens portion 55a, a protruding portion 55b that protrudes laterally from the lens portion 55a, and a rear portion (lower surface) of the protruding portion 55b. And an inclined protrusion 55d provided on the front part (upper surface) of the projecting part 55b.
そして、この第1の光学レンズ部材55は、筒状部52内に挿入されて、張出部55bの外周部が筒状部52の内壁で位置決めされると共に、後方部に位置する傾斜状突部55cが底板53上の傾斜状突部53a上に当接した状態となって、第1の光学レンズ部材55が筒状部52の内壁をガイドにして回転されることによって、底板53からのレンズ部55aの高さを調整するようになっている。   The first optical lens member 55 is inserted into the cylindrical portion 52, the outer peripheral portion of the overhang portion 55b is positioned on the inner wall of the cylindrical portion 52, and the inclined protrusion located at the rear portion. When the first optical lens member 55 is rotated with the inner wall of the cylindrical portion 52 as a guide, the portion 55 c comes into contact with the inclined protrusion 53 a on the bottom plate 53, so that the first optical lens member 55 is rotated from the bottom plate 53. The height of the lens portion 55a is adjusted.
光吸収体であるリング56がレンズ部55aを囲むようにレンズ部55a上にに配置されると共に、このリング56上に位置する全体が円形状をなした第2の光学レンズ部材57は、レンズ部57aと、このレンズ部57aから横方向に突出した張出部57bと、この張出部57bの後方部(下面)に設けられた傾斜状突部57cを有する。   A second optical lens member 57, which is disposed on the lens portion 55a so as to surround the lens portion 55a so as to surround the lens portion 55a and has a circular shape as a whole located on the ring 56, is a lens. A protruding portion 57b that protrudes laterally from the lens portion 57a, and an inclined protruding portion 57c provided on the rear portion (lower surface) of the protruding portion 57b.
そして、この第2の光学レンズ部材57は、筒状部52内に挿入されて、張出部57bの外周部が筒状部52の内壁で位置決めされると共に、後方部に位置する傾斜状突部57cが第1の光学レンズ部材55の傾斜状突部55d上に当接した状態となって、第2の光学レンズ部材57が筒状部52の内壁をガイドにして回転されることによって、レンズ部57aとレンズ部55aとの間の距離を調整するようになって、従来のレンズの取付構造が形成されている。(例えば、特許文献1参照)   The second optical lens member 57 is inserted into the cylindrical portion 52, the outer peripheral portion of the overhang portion 57b is positioned on the inner wall of the cylindrical portion 52, and the inclined protrusion located at the rear portion. When the portion 57c is in contact with the inclined protrusion 55d of the first optical lens member 55 and the second optical lens member 57 is rotated using the inner wall of the cylindrical portion 52 as a guide, The distance between the lens portion 57a and the lens portion 55a is adjusted to form a conventional lens mounting structure. (For example, see Patent Document 1)
しかし、従来のレンズの取付構造は、第1,第2の光学レンズ部材55,57の張出部55b、57の外周部が筒状部52に挿入された状態で、内壁で位置決めされるため、第1,第2の光学レンズ部材55,57と筒状部52の内壁間の加工等によるバラツキが大きく、従って、第1,第2の光学レンズ部材55,57の光軸Gのズレが大きくなる。   However, the conventional lens mounting structure is positioned on the inner wall with the outer peripheral portions of the overhang portions 55b and 57 of the first and second optical lens members 55 and 57 being inserted into the cylindrical portion 52. The first and second optical lens members 55 and 57 and the inner wall of the cylindrical portion 52 have a large variation due to processing or the like. Accordingly, the optical axis G of the first and second optical lens members 55 and 57 is displaced. growing.
特開2002−98878号公報JP 2002-98878 A
従来のレンズの取付構造は、第1,第2の光学レンズ部材55,57の張出部55b、57の外周部が筒状部52に挿入された状態で、内壁で位置決めされるため、第1,第2の光学レンズ部材55,57と筒状部52の内壁間の加工等によるバラツキが大きく、従って、第1,第2の光学レンズ部材55,57の光軸Gのズレが大きくなるという問題がある。   The conventional lens mounting structure is positioned on the inner wall with the outer peripheral portions of the projecting portions 55b, 57 of the first and second optical lens members 55, 57 being inserted into the cylindrical portion 52. Variations due to processing between the first and second optical lens members 55 and 57 and the inner wall of the cylindrical portion 52 are large, and therefore the deviation of the optical axis G of the first and second optical lens members 55 and 57 is large. There is a problem.
そこで、本発明は光軸のズレを少なくできて、精度の良い取付ができるレンズの取付構造を提供することを目的とする。   SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a lens mounting structure that can reduce the deviation of the optical axis and can be mounted with high accuracy.
上記課題を解決するための第1の解決手段として、筒状部を有する保持部材と、前記筒状部内の前方部に取り付けられた光学レンズ部材と、前記筒状部内で、前記光学レンズ部材の後方部に取り付けられた光学レンズとを備え、前記光学レンズ部材は、レンズ部と、このレンズ部から横方向に突出する張出部と、この張出部の後部に設けられた切り欠き部を有すると共に、前記光学レンズは、レンズ部と、このレンズ部から横方向に突出する突出部を有し、前記光学レンズの前記突出部の端部が前記光学レンズ部材の前記張出部に設けられた前記切り欠き部に嵌合して、前記光学レンズ部材と前記光学レンズの光軸を一致させた構成とした。   As a first means for solving the above problems, a holding member having a cylindrical portion, an optical lens member attached to a front portion in the cylindrical portion, and the optical lens member in the cylindrical portion An optical lens attached to the rear part, and the optical lens member includes a lens part, a projecting part projecting laterally from the lens part, and a notch part provided at the rear part of the projecting part. The optical lens has a lens portion and a protruding portion that protrudes laterally from the lens portion, and an end portion of the protruding portion of the optical lens is provided in the protruding portion of the optical lens member. Further, the optical lens member and the optical lens are configured so as to coincide with each other by fitting in the notch.
また、第2の解決手段として、前記保持部材には、前記筒状部の前方部に位置する前方開放部側に突出するフランジ部を設けると共に、前記保持部材の後方部には、前記筒状部の後方部に位置した後方開放部を有し、前記光学レンズ部材の前方部が前記フランジ部に係止されると共に、前記光学レンズの後方部が前記後方開放部に配置された支持部材によって支持された構成とした。
また、第3の解決手段として、前記支持部材は、光絞り用の絞り板で形成された構成した。
Further, as a second solving means, the holding member is provided with a flange portion protruding toward the front opening portion located at the front portion of the cylindrical portion, and the cylindrical portion is provided at the rear portion of the holding member. A rear opening part located at the rear part of the optical part, and the front part of the optical lens member is locked to the flange part, and the rear part of the optical lens is supported by the support member disposed in the rear opening part. It was a supported configuration.
As a third solution, the support member is formed of a diaphragm plate for optical diaphragm.
また、第4の解決手段として、前記光学レンズ部材は、第1,第2の光学レンズ部を有し、前記第1、第2の光学レンズ部のそれぞれには、前記レンズ部と、このレンズ部から横方向に突出する張出部と、この張出部の後部に設けられた切り欠き部を有し、前記第1の光学レンズ部は、前記筒状部の前方部に配置されて、前記第1の光学レンズ部の前記切り欠き部には、前記第1の光学レンズ部の後方部に位置する前記第2の光学レンズ部の前記張出部が係合し、前記第2の光学レンズ部の前記切り欠き部には、前記光学レンズの前記突出が係合して、前記第1,第2の光学レンズ部と前記光学レンズの光軸を一致させた構成とした。   Further, as a fourth solving means, the optical lens member has first and second optical lens portions, and each of the first and second optical lens portions includes the lens portion and the lens. A projecting portion projecting laterally from the portion, and a notch portion provided at the rear portion of the projecting portion, and the first optical lens portion is disposed at a front portion of the cylindrical portion, The projecting portion of the second optical lens portion located behind the first optical lens portion is engaged with the notch portion of the first optical lens portion, and the second optical lens portion is engaged with the second optical lens portion. The protrusion of the optical lens is engaged with the cutout portion of the lens portion so that the optical axes of the first and second optical lens portions and the optical lens are aligned.
また、第5の解決手段として、前記第2の光学レンズ部の前記張出部には、前記第1の光学レンズ部の前記切り欠き部内に係止し、前方側に突出する第1の突条部と、前記光学レンズの前記突出部を内部に位置させて係止し、後方側に突出する第2の突条部を有した構成とした。
また、第6の解決手段として、前記切り欠き部が環状に形成された構成とした。 また、第7の解決手段として、前記光学レンズ部材が樹脂で形成されると共に、前記光学レンズがガラスで形成された構成とした。
Further, as a fifth solving means, the first protrusion protruding to the front side is engaged with the projecting part of the second optical lens part in the notch part of the first optical lens part. The strip portion and the projecting portion of the optical lens are positioned and locked inside, and the second projecting portion projecting rearward is provided.
Further, as a sixth solving means, the notch is formed in an annular shape. As a seventh solution, the optical lens member is made of resin, and the optical lens is made of glass.
本発明のレンズの取付構造は、筒状部を有する保持部材と、筒状部内の前方部に取り付けられた光学レンズ部材と、筒状部内で、光学レンズ部材の後方部に取り付けられた光学レンズとを備え、光学レンズ部材は、レンズ部と、このレンズ部から横方向に突出する張出部と、この張出部の後部に設けられた切り欠き部を有すると共に、光学レンズは、レンズ部と、このレンズ部から横方向に突出する突出部を有し、光学レンズの突出部の端部が光学レンズ部材の張出部に設けられた切り欠き部に嵌合して、光学レンズ部材と光学レンズの光軸を一致させた構成とした。
即ち、光学レンズの突出部の端部が光学レンズ部材の張出部に設けられた切り欠き部に嵌合して、光学レンズ部材と光学レンズの光軸を一致させたため、従来の筒状部内で光学レンズ部材が位置決めされるものに比して、光学レンズと光学レンズ部材との間のバラツキが小さく、従って、光学レンズと光学レンズ部材の光軸のズレを少なくできて、精度の良いレンズの取付ができる。
The lens mounting structure of the present invention includes a holding member having a cylindrical portion, an optical lens member attached to the front portion in the cylindrical portion, and an optical lens attached to the rear portion of the optical lens member in the cylindrical portion. The optical lens member includes a lens portion, a projecting portion projecting laterally from the lens portion, and a notch provided at the rear portion of the projecting portion. And a projecting portion projecting laterally from the lens portion, and an end portion of the projecting portion of the optical lens is fitted into a notch provided in the projecting portion of the optical lens member, and the optical lens member The optical axis of the optical lens was made to coincide.
That is, the end of the protruding portion of the optical lens is fitted into a notch provided in the protruding portion of the optical lens member so that the optical axes of the optical lens member and the optical lens coincide with each other. The optical lens member has a smaller variation than that in which the optical lens member is positioned. Therefore, the optical axis can be less misaligned between the optical lens and the optical lens member. Can be attached.
また、保持部材には、筒状部の前方部に位置する前方開放部側に突出するフランジ部を設けると共に、保持部材の後方部には、筒状部の後方部に位置した後方開放部を有し、光学レンズ部材の前方部がフランジ部に係止されると共に、光学レンズの後方部が後方開放部に配置された支持部材によって支持されたため、光学レンズ部材と光学レンズの取付が簡単で、組立性の良好なものが得られる。   Further, the holding member is provided with a flange portion protruding toward the front opening portion located at the front portion of the cylindrical portion, and a rear opening portion positioned at the rear portion of the cylindrical portion is provided at the rear portion of the holding member. The front part of the optical lens member is locked to the flange part, and the rear part of the optical lens is supported by the support member disposed in the rear opening part, so that the optical lens member and the optical lens can be easily attached. Thus, a product with good assemblability can be obtained.
また、支持部材は、光絞り用の絞り板で形成されたため、支持部材が絞り板を兼ね、構成の簡単なものが得られる。   Further, since the support member is formed of a diaphragm plate for optical diaphragm, the support member also serves as the diaphragm plate, and a simple structure can be obtained.
また、光学レンズ部材は、第1,第2の光学レンズ部を有し、第1、第2の光学レンズ部のそれぞれには、レンズ部と、このレンズ部から横方向に突出する張出部と、この張出部の後部に設けられた切り欠き部を有し、第1の光学レンズ部は、筒状部の前方部に配置されて、第1の光学レンズ部の切り欠き部には、第1の光学レンズ部の後方部に位置する第2の光学レンズ部の張出部が係合し、第2の光学レンズ部の切り欠き部には、光学レンズの突出が係合して、第1,第2の光学レンズ部と光学レンズの光軸を一致させたため、第1,第2の光学レンズ部と光学レンズの光軸のズレを少なくできて、精度の良いレンズの取付ができると共に、第1,第2の光学レンズ部と光学レンズは、積み重ね方式で組立できて、組立性の良好なものが得られる。   The optical lens member has first and second optical lens portions, and each of the first and second optical lens portions has a lens portion and a protruding portion protruding laterally from the lens portion. And a cutout portion provided at the rear portion of the projecting portion, and the first optical lens portion is disposed at the front portion of the tubular portion, and the cutout portion of the first optical lens portion The projecting portion of the second optical lens portion is engaged with the projecting portion of the second optical lens portion, and the projection of the optical lens is engaged with the notch portion of the second optical lens portion. Since the optical axes of the first and second optical lens portions and the optical lens coincide with each other, it is possible to reduce the deviation of the optical axes of the first and second optical lens portions and the optical lens, and to mount the lens with high accuracy. In addition, the first and second optical lens parts and the optical lens can be assembled in a stacked manner, and have good assemblability. It is.
また、第2の光学レンズ部の張出部には、第1の光学レンズ部の切り欠き部内に係止し、前方側に突出する第1の突条部と、光学レンズの突出部を内部に位置させて係止し、後方側に突出する第2の突条部を有したため、第1,第2の光学レンズ部と光学レンズの組立性の良好なものが得られる。   In addition, the projecting portion of the second optical lens portion includes a first protrusion protruding to the front side and a protruding portion of the optical lens, which is locked in the cutout portion of the first optical lens portion. Since the second projecting portion protruding to the rear side is positioned and locked, the assembly of the first and second optical lens portions and the optical lens is excellent.
また、切り欠き部が環状に形成されたため、切り欠き部内への突出部、張出部、及び第1の突条部の方向性が自由となって、組立性の良好なものが得られる。   In addition, since the notch is formed in an annular shape, the direction of the projecting part, the projecting part, and the first projecting part into the notch is free, and an assembly with good assemblability is obtained.
また、光学レンズ部材が樹脂で形成されると共に、光学レンズがガラスで形成されたため、複雑な構成を有する光学レンズ部材の成形加工によって容易に製造できて、安価なものが得られる。   In addition, since the optical lens member is formed of resin and the optical lens is formed of glass, the optical lens member can be easily manufactured by molding the optical lens member having a complicated configuration, and an inexpensive one can be obtained.
本発明のレンズの取付構造の図面を説明すると、図1は本発明のレンズの取付構造に係る要部断面図であり、次に、本発明のレンズの取付構造の構成を図1に基づいて説明すると、合成樹脂の成型品等からなる保持部材(鏡筒)1は、円筒状の筒状部2と、筒状部2の中心部に設けられた孔2aと、この筒状部2の前方部に設けられた前方開放部2bと、筒状部2の後方部に設けられた後方開放部2cと、前方開放部2a側に突出した状態で、筒状部2の端部に設けられた孔3aを有するフランジ部3とで構成されている。   Referring to the drawings of the lens mounting structure of the present invention, FIG. 1 is a cross-sectional view of the main part of the lens mounting structure of the present invention. Next, the configuration of the lens mounting structure of the present invention is based on FIG. To explain, a holding member (lens barrel) 1 made of a synthetic resin molded product or the like includes a cylindrical cylindrical portion 2, a hole 2 a provided in the center of the cylindrical portion 2, and the cylindrical portion 2. A front opening 2b provided at the front, a rear opening 2c provided at the rear of the tubular portion 2, and provided at the end of the tubular portion 2 in a state of protruding toward the front opening 2a. And a flange portion 3 having a hole 3a.
透明な樹脂の成形加工によって製造された光学レンズ部材4は、全体が円形状をなした前方部側に配置される第1の光学レンズ部5と、この第1の光学レンズ部5の後方部に配置され、全体が円形状をなした第2の光学レンズ部6とで構成されている。   The optical lens member 4 manufactured by molding a transparent resin includes a first optical lens portion 5 disposed on the front portion side, which has a circular shape as a whole, and a rear portion of the first optical lens portion 5. And the second optical lens portion 6 having a circular shape as a whole.
また、第1の光学レンズ部5は、円形のレンズ部5aと、レンズ部5aの全外周部から横方向に突出する張出部5bと、この張出部5bの後部に設けられた円環状の切り欠き部5cと、張出部5bの前部の端部に設けられたリング状の突起5dを有する。   The first optical lens portion 5 includes a circular lens portion 5a, a protruding portion 5b that protrudes laterally from the entire outer periphery of the lens portion 5a, and an annular shape provided at the rear portion of the protruding portion 5b. A notch 5c and a ring-shaped protrusion 5d provided at the front end of the overhang 5b.
更に、第2の光学レンズ部6は、円形のレンズ部6aと、レンズ部6aの全外周部から横方向に突出する張出部6bと、この張出部6bの前部から前方側に突出して設けられ、張出部6bの一部を構成するリング状の第1の突条部6cと、張出部6bの後部から後方側に突出して設けられ、張出部6bの一部を構成するリング状の第2の突条部6dと、この第2の突条部6dの後部に設けられた円環状の切り欠き部6eを有する。   Further, the second optical lens unit 6 projects a circular lens unit 6a, a projecting part 6b projecting laterally from the entire outer periphery of the lens unit 6a, and projects forward from the front part of the projecting part 6b. A ring-shaped first protrusion 6c constituting a part of the overhanging part 6b and a rear part protruding from the rear part of the overhanging part 6b to constitute a part of the overhanging part 6b A ring-shaped second protrusion 6d and an annular notch 6e provided at the rear of the second protrusion 6d.
そして、光学レンズ部材4は、先ず、第1の光学レンズ部5が筒状部2内に挿入されて、第1のレンズ部5の突起5dがフランジ部3に係止され、この時、レンズ部5aがフランジ部3の孔3aに対向した状態となる。
次に、第2のレンズ部6が筒状部2内に挿入されて、第2のレンズ部6の第1の突条部6cが第1のレンズ部5の切り欠き部5cに嵌合して、第1,第2のレンズ部5,6の光軸Gが一致した状態となる。
In the optical lens member 4, first, the first optical lens portion 5 is inserted into the cylindrical portion 2, and the protrusion 5 d of the first lens portion 5 is locked to the flange portion 3. The part 5a is in a state of facing the hole 3a of the flange part 3.
Next, the second lens portion 6 is inserted into the cylindrical portion 2, and the first protrusion 6 c of the second lens portion 6 is fitted into the notch portion 5 c of the first lens portion 5. As a result, the optical axes G of the first and second lens portions 5 and 6 coincide with each other.
全体が円形状をなしたガラスからなる光学レンズ7は、円形のレンズ部7aと、レンズ部7aの全外周部から横方向に突出する板状の突出部7bを有し、この光学レンズ7は、第2の光学レンズ部6の後方部に位置した状態で、筒状部2内に挿入されて、突出部7bの端部が第2のレンズ部6の切り欠き部6eに嵌合して、第1,第2のレンズ部5,6と光学レンズ7の光軸Gが一致した状態となる。   The optical lens 7 made of glass having a circular shape as a whole has a circular lens portion 7a and a plate-like protruding portion 7b that protrudes laterally from the entire outer peripheral portion of the lens portion 7a. In the state where the second optical lens unit 6 is positioned behind the second optical lens unit 6, it is inserted into the cylindrical unit 2, and the end of the projecting part 7 b is fitted into the notch 6 e of the second lens unit 6. Thus, the optical axes G of the first and second lens portions 5 and 6 and the optical lens 7 coincide with each other.
光絞り用の絞り板からなる支持部材8は、板状部8aと、この板状部8aの中央部に設けられた階段状の円形の孔8bを有し、この支持部材8は、筒状部2の後方開放部2cを塞ぐように筒状部2に取り付けられて、支持部材8とフランジ部3とによって、第1,第2のレンズ部5,6と光学レンズ7を挟持しており、このような構成によって、本発明のレンズの取付構造が形成されている。   A support member 8 made of an aperture plate for optical diaphragm has a plate-like portion 8a and a step-like circular hole 8b provided at the center of the plate-like portion 8a. The support member 8 has a cylindrical shape. It is attached to the cylindrical part 2 so as to close the rear opening part 2c of the part 2, and the first and second lens parts 5, 6 and the optical lens 7 are sandwiched between the support member 8 and the flange part 3. With such a configuration, the lens mounting structure of the present invention is formed.
なお、上記実施例では、光学レンズ部材4が第1,第2のレンズ部5,6の2部品で形成されたもので説明したが、第1,第2のレンズ部5,6の何れか一方のみでも良い。   In the above-described embodiment, the optical lens member 4 is described as being formed of two parts, the first and second lens portions 5 and 6, but either one of the first and second lens portions 5 and 6 is used. Only one is good.
本発明のレンズの取付構造に係る要部断面図。The principal part sectional drawing which concerns on the attachment structure of the lens of this invention. 従来のレンズの取付構造に係る要部断面図。Sectional drawing of the principal part which concerns on the conventional lens mounting structure.
符号の説明Explanation of symbols
1:保持部材
2:筒状部
2a:孔
2b:前方開放部
2c:後方開放部
3:フランジ部
3a:孔
4:光学レンズ部材
5:第1の光学レンズ部
5a:レンズ部
5b:張出部
5c:切り欠き部
5d:突起
6:第2の光学レンズ部
6a:レンズ部
6b:張出部
6c:第1の突条部
6d:第2の突条部
6e:切り欠き部
7:光学レンズ
7a:レンズ部
7b:突出部
8:支持部材
8a:板状部
8b:孔
G:光軸
1: Holding member 2: Cylindrical part 2a: Hole 2b: Front opening part 2c: Rear opening part 3: Flange part 3a: Hole 4: Optical lens member 5: First optical lens part 5a: Lens part 5b: Overhang Part 5c: Notch part 5d: Protrusion 6: Second optical lens part 6a: Lens part 6b: Overhang part 6c: First protrusion part 6d: Second protrusion part 6e: Notch part 7: Optical Lens 7a: Lens part 7b: Projection part 8: Support member 8a: Plate-like part 8b: Hole G: Optical axis

Claims (7)

  1. 筒状部を有する保持部材と、前記筒状部内の前方部に取り付けられた光学レンズ部材と、前記筒状部内で、前記光学レンズ部材の後方部に取り付けられた光学レンズとを備え、前記光学レンズ部材は、レンズ部と、このレンズ部から横方向に突出する張出部と、この張出部の後部に設けられた切り欠き部を有すると共に、前記光学レンズは、レンズ部と、このレンズ部から横方向に突出する突出部を有し、前記光学レンズの前記突出部の端部が前記光学レンズ部材の前記張出部に設けられた前記切り欠き部に嵌合して、前記光学レンズ部材と前記光学レンズの光軸を一致させたことを特徴とするレンズの取付構造。 A holding member having a cylindrical part; an optical lens member attached to a front part in the cylindrical part; and an optical lens attached to a rear part of the optical lens member in the cylindrical part; The lens member has a lens part, a projecting part projecting laterally from the lens part, and a notch part provided at the rear part of the projecting part. The optical lens comprises the lens part and the lens. A projecting portion projecting laterally from the portion, and an end portion of the projecting portion of the optical lens is fitted into the notch portion provided in the projecting portion of the optical lens member, and the optical lens A lens mounting structure in which a member and an optical axis of the optical lens are aligned.
  2. 前記保持部材には、前記筒状部の前方部に位置する前方開放部側に突出するフランジ部を設けると共に、前記保持部材の後方部には、前記筒状部の後方部に位置した後方開放部を有し、前記光学レンズ部材の前方部が前記フランジ部に係止されると共に、前記光学レンズの後方部が前記後方開放部に配置された支持部材によって支持されたことを特徴とする請求項1記載のレンズの取付構造。 The holding member is provided with a flange portion that protrudes toward the front opening portion located at the front portion of the cylindrical portion, and the rear opening of the holding member is located at the rear portion of the cylindrical portion. And a front part of the optical lens member is locked to the flange part, and a rear part of the optical lens is supported by a support member disposed in the rear opening part. The lens mounting structure according to Item 1.
  3. 前記支持部材は、光絞り用の絞り板で形成されたことを特徴とする請求項2記載のレンズの取付構造。 3. The lens mounting structure according to claim 2, wherein the support member is formed of a diaphragm plate for an optical diaphragm.
  4. 前記光学レンズ部材は、第1,第2の光学レンズ部を有し、前記第1、第2の光学レンズ部のそれぞれには、前記レンズ部と、このレンズ部から横方向に突出する張出部と、この張出部の後部に設けられた切り欠き部を有し、前記第1の光学レンズ部は、前記筒状部の前方部に配置されて、前記第1の光学レンズ部の前記切り欠き部には、前記第1の光学レンズ部の後方部に位置する前記第2の光学レンズ部の前記張出部が係合し、前記第2の光学レンズ部の前記切り欠き部には、前記光学レンズの前記突出が係合して、前記第1,第2の光学レンズ部と前記光学レンズの光軸を一致させたことを特徴とする請求項1〜3の何れかにレンズの取付構造。 The optical lens member has first and second optical lens portions, and each of the first and second optical lens portions has the lens portion and an overhang projecting laterally from the lens portion. And a notch provided at the rear part of the projecting part, and the first optical lens part is disposed in a front part of the cylindrical part, and the first optical lens part The projecting portion of the second optical lens portion located behind the first optical lens portion is engaged with the notch portion, and the notch portion of the second optical lens portion is engaged with the notch portion. 4. The lens according to claim 1, wherein the protrusions of the optical lens are engaged with each other so that the optical axes of the first and second optical lens portions and the optical lens coincide with each other. Mounting structure.
  5. 前記第2の光学レンズ部の前記張出部には、前記第1の光学レンズ部の前記切り欠き部内に係止し、前方側に突出する第1の突条部と、前記光学レンズの前記突出部を内部に位置させて係止し、後方側に突出する第2の突条部を有したことを特徴とする請求項4記載のレンズの取付構造。 The projecting portion of the second optical lens portion is locked in the notch portion of the first optical lens portion, and protrudes forward, and the first protrusion of the optical lens. The lens mounting structure according to claim 4, further comprising a second protrusion that protrudes toward the rear side, the protrusion being positioned and locked inside.
  6. 前記切り欠き部が環状に形成されたことを特徴とする請求項1〜5の何れかにレンズの取付構造。 6. The lens mounting structure according to claim 1, wherein the notch is formed in an annular shape.
  7. 前記光学レンズ部材が樹脂で形成されると共に、前記光学レンズがガラスで形成されたことを特徴とする請求項1〜6の何れかにレンズの取付構造。
    The lens mounting structure according to claim 1, wherein the optical lens member is made of resin, and the optical lens is made of glass.
JP2004317371A 2004-10-29 2004-10-29 Structure of mounting lens Withdrawn JP2006126673A (en)

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Cited By (3)

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WO2008096822A1 (en) * 2007-02-09 2008-08-14 Sharp Kabushiki Kaisha Plastic lens unit, camera module, and their manufacturing method
WO2010095332A1 (en) * 2009-02-18 2010-08-26 コニカミノルタオプト株式会社 Lens unit, aligning method, image pickup device and method for manufacturing image pickup device
DE102011052793A1 (en) * 2011-08-18 2013-02-21 Sick Ag optics carrier

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CN102375166A (en) * 2010-08-23 2012-03-14 鸿富锦精密工业(深圳)有限公司 Optical lens and lens group
CN106814431A (en) * 2015-11-27 2017-06-09 奇景光电股份有限公司 Camera lens module
CN108303782A (en) * 2018-02-11 2018-07-20 京东方科技集团股份有限公司 Optical system and mobile terminal

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008096822A1 (en) * 2007-02-09 2008-08-14 Sharp Kabushiki Kaisha Plastic lens unit, camera module, and their manufacturing method
WO2010095332A1 (en) * 2009-02-18 2010-08-26 コニカミノルタオプト株式会社 Lens unit, aligning method, image pickup device and method for manufacturing image pickup device
JP5464502B2 (en) * 2009-02-18 2014-04-09 コニカミノルタ株式会社 LENS UNIT, IMAGING DEVICE, AND LENS UNIT MANUFACTURING METHOD
DE102011052793A1 (en) * 2011-08-18 2013-02-21 Sick Ag optics carrier
DE102011052793B4 (en) * 2011-08-18 2013-11-07 Sick Ag optics carrier

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