JP2002221650A - Driving lens unit and method for assembling the same - Google Patents
Driving lens unit and method for assembling the sameInfo
- Publication number
- JP2002221650A JP2002221650A JP2001019469A JP2001019469A JP2002221650A JP 2002221650 A JP2002221650 A JP 2002221650A JP 2001019469 A JP2001019469 A JP 2001019469A JP 2001019469 A JP2001019469 A JP 2001019469A JP 2002221650 A JP2002221650 A JP 2002221650A
- Authority
- JP
- Japan
- Prior art keywords
- lens block
- housing
- lens
- lens unit
- drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Landscapes
- Structure And Mechanism Of Cameras (AREA)
- Studio Devices (AREA)
- Lens Barrels (AREA)
- Cameras In General (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
Abstract
Description
【０００１】[0001]
【技術分野】本発明は、デジタルカメラ等の光学機器の
本体に装着される駆動レンズユニット及びその組立方法
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a driving lens unit to be mounted on a main body of an optical device such as a digital camera and an assembling method thereof.
【０００２】[0002]
【従来技術及びその問題点】デジタルカメラ等の光学機
器の本体に組み込まれる駆動レンズユニットは、ハウジ
ングの内部に、レンズを内蔵したレンズブロックを収納
するとともに、レンズブロックにモータを連係させ、こ
のモータの駆動力を利用して、レンズブロックを、沈胴
位置（ハウジングに対して最も深く収容された位置）と
突出位置（ハウジングから最大限せり出した位置）との
間を進退しうるようにしたものである。2. Description of the Related Art A drive lens unit incorporated in a main body of an optical device such as a digital camera accommodates a lens block having a built-in lens in a housing and connects a motor to the lens block. The lens block can be moved back and forth between a retracted position (a position most deeply housed in the housing) and a protruding position (a position protruding as far as possible from the housing) by using the driving force of the lens block. is there.
【０００３】このように、駆動レンズユニットは、レン
ズブロックとモータとを連係することにより組み立てら
れるものであるが、従来、レンズブロックとモータの組
み付け作業は容易でなく、そのため駆動レンズユニット
を簡単に組み立てることができなかった。[0003] As described above, the drive lens unit is assembled by linking the lens block and the motor. However, conventionally, the work of assembling the lens block and the motor is not easy, and therefore, the drive lens unit is simply constructed. Could not assemble.
【０００４】[0004]
【発明の目的】本発明は、レンズブロックと駆動ユニッ
トとの組み付け作業が容易な駆動レンズユニットと、そ
の組立方法を提供することを目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to provide a driving lens unit which can easily assemble a lens block and a driving unit, and an assembling method thereof.
【０００５】[0005]
【発明の概要】本発明の駆動レンズユニットは、本体内
に固定されるハウジングと；このハウジングに、光軸方
向後方の最も深く収容された沈胴位置と、前方に最大限
せり出した突出位置との間を直進移動可能に支持された
レンズブロックと；このレンズブロックの外面に形成さ
れた係合部と；光軸と平行な方向に直進駆動される係合
部材を有し上記ハウジングに対して着脱可能な駆動ユニ
ットと；を備え、係合部材と係合部は、駆動ユニットを
ハウジングに着脱するとき、係合部材の移動方向と直交
する方向から互いに係脱可能であり、係合状態で一緒に
移動することを特徴としている。SUMMARY OF THE INVENTION A drive lens unit according to the present invention comprises a housing fixed in a main body; a housing having a retracted position which is housed most deeply rearward in the optical axis direction and a protruding position which is protruded as far forward as possible. A lens block supported so as to be able to move linearly between the lens blocks; an engaging portion formed on an outer surface of the lens block; and an engaging member which is driven to move straight in a direction parallel to the optical axis, and is attached to and detached from the housing. The engaging member and the engaging portion can be disengaged from each other from a direction orthogonal to the moving direction of the engaging member when the driving unit is attached to and detached from the housing, and are engaged together in the engaged state. It is characterized by moving to.
【０００６】また、本発明の駆動レンズユニットに、レ
ンズブロックを常時、突出位置側に向けて付勢するとと
もに、レンズブロックが突出位置に近づくにつれて徐々
に付勢力を弱める付勢手段を設けることも可能である。Further, the drive lens unit of the present invention may be provided with biasing means for constantly biasing the lens block toward the projecting position and gradually reducing the biasing force as the lens block approaches the projecting position. It is possible.
【０００７】また、上記光学機器をデジタルカメラとす
ることができる。Further, the optical device can be a digital camera.
【０００８】また、本発明の駆動レンズユニットの組立
方法は、レンズブロックを付勢手段に従いその突出位置
に保持し、この突出位置において、係合部材と係合部を
係合させることを特徴としている。The method of assembling a drive lens unit according to the present invention is characterized in that the lens block is held at a projecting position thereof in accordance with a biasing means, and the engaging member and the engaging portion are engaged at this projecting position. I have.
【０００９】さらに、上記突出位置は、レンズブロック
の自重と付勢手段の付勢力が釣り合う位置であることが
好ましい。Further, it is preferable that the projecting position is a position where the own weight of the lens block and the urging force of the urging means are balanced.
【００１０】[0010]
【発明の実施の形態】以下、本発明の駆動レンズユニッ
ト１０の一実施形態について説明する。前面が開口する
有底箱状のハウジング１１の一角部には、後述するモー
タ（駆動ユニット）２２を嵌め込むための凹部１２が形
成されており、凹部１２には光軸方向を向く開口１３が
形成されている。１４は、凹部１２に嵌め込んだモータ
２２が抜け出さないようにするための抜け止め板であ
る。ハウジング１１の底部に穿設された小径の孔１１ｂ
には、光軸方向を向くガイド棒１５の後部が嵌合固着さ
れており、ガイド棒１５には付勢手段である圧縮バネ１
６が嵌められている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the drive lens unit 10 according to the present invention will be described below. A concave portion 12 for fitting a motor (drive unit) 22 to be described later is formed in a corner of a box-shaped housing 11 with a front opening, and an opening 13 facing the optical axis direction is formed in the concave portion 12. Is formed. Reference numeral 14 denotes a retaining plate for preventing the motor 22 fitted in the concave portion 12 from coming out. Small-diameter hole 11b drilled at the bottom of housing 11
, A rear portion of a guide rod 15 facing the optical axis direction is fitted and fixed, and the guide rod 15 is attached to a compression spring 1 serving as an urging means.
6 is fitted.
【００１１】ほぼ円柱形をなすとともに、ハウジング１
１の内部に収納されうる寸法のレンズブロック１７の外
周面には、ハウジング１１の内周面の角部に形成された
ガイド溝１１ａに摺動自在に嵌合する突起１８と、短寸
の樋状をなす係合部１９と、光軸方向を向くガイド部材
２０とが設けられている。ガイド部材２０には、ガイド
部材２０を光軸方向に貫通するガイド孔２１が設けられ
ている。The housing 1 has a substantially cylindrical shape.
A protrusion 18 slidably fitted in a guide groove 11 a formed in a corner of an inner peripheral surface of the housing 11, and a short gutter on the outer peripheral surface of the lens block 17 having a size that can be stored in the inside of the housing 1. An engagement portion 19 having a shape and a guide member 20 facing the optical axis direction are provided. The guide member 20 is provided with a guide hole 21 penetrating the guide member 20 in the optical axis direction.
【００１２】モータ２２の光軸方向を向く回転軸２３に
はネジ溝が切られており、回転軸２３には係合部材２４
を有するナット２５が螺合している。ナット２５に設け
られた案内孔（図示略）は、モータ本体２６に回転軸２
３と平行をなすようにして設けられたガイド軸２７に摺
動自在に嵌合しているため、ナット２５の回転は妨げら
れており、モータ２２を回転させるとナット２５は回転
軸２３に沿って光軸方向に移動する。また、回転軸２３
の周囲はモータ本体２６に固着されたモータ取り付け板
２８によって覆われている。The rotary shaft 23 facing the optical axis direction of the motor 22 has a thread groove, and the rotary shaft 23 has an engaging member 24.
Is screwed. A guide hole (not shown) provided in the nut 25 is provided in the motor main body 26 with the rotating shaft 2.
3 is slidably fitted on a guide shaft 27 provided in parallel with 3, the rotation of the nut 25 is hindered. When the motor 22 is rotated, the nut 25 moves along the rotation shaft 23. To move in the optical axis direction. Also, the rotating shaft 23
Is covered by a motor mounting plate 28 fixed to the motor main body 26.
【００１３】次に、以上のような構成部材からなる駆動
レンズユニット１０の組み立て要領について説明する。
先ず、ハウジング１１の孔１１ｂにガイド棒１５を嵌合
固着し、ガイド棒１５に圧縮バネ１６を嵌め込む。次い
で、ガイド部材２０のガイド孔２１をガイド棒１５に差
し込むとともに、突起１８をガイド溝１１ａに嵌合しな
がら、レンズブロック１７をハウジング１１の内部に入
れ、押さえ板２９をネジによりハウジング１１の上面に
固着して、レンズブロック１７がハウジング１１から抜
け出さないようにする。突起１８がガイド溝１１ａに嵌
合しているため、レンズブロック１７はハウジング１１
に対して回転不能となっており、レンズブロック１７は
ハウジング１１の内部において、ハウジング１１から上
方に最大限せり出した突出位置（図２の位置）と、ハウ
ジング１１の内部に最も深く収納された沈胴位置（図３
の位置）との間を光軸方向に沿って移動できる。Next, the procedure for assembling the drive lens unit 10 including the above-described components will be described.
First, the guide rod 15 is fitted and fixed in the hole 11 b of the housing 11, and the compression spring 16 is fitted in the guide rod 15. Next, while inserting the guide hole 21 of the guide member 20 into the guide rod 15 and fitting the projection 18 into the guide groove 11 a, the lens block 17 is inserted into the housing 11, and the holding plate 29 is screwed on the upper surface of the housing 11. To prevent the lens block 17 from coming out of the housing 11. Since the projection 18 is fitted in the guide groove 11a, the lens block 17 is
The lens block 17 is located inside the housing 11 so that the lens block 17 protrudes upward from the housing 11 to the maximum (the position shown in FIG. 2), and the lens block 17 is retracted into the housing 11 at the deepest position. Location (Figure 3
) Can be moved along the optical axis direction.
【００１４】レンズブロック１７をハウジング１１の内
部に入れると、レンズブロック１７の自重と圧縮バネ１
６の付勢力が釣り合って、レンズブロック１７は突出位
置に位置し、係合部１９は開口１３と対向する。When the lens block 17 is placed inside the housing 11, the weight of the lens block 17 and the compression spring 1
6 are balanced, the lens block 17 is located at the protruding position, and the engaging portion 19 faces the opening 13.
【００１５】次に、レンズブロック１７を突出位置に保
持するとともに、ナット２５を回転軸２３の上端部に移
動させた状態で、モータ２２をハウジング１１の凹部１
２に嵌め込み、開口１３を通して係合部材２４を係合部
１９に係合する。この際、モータ取り付け板２８に設け
られた切欠部３０を抜け止め板１４に形成された係止片
１４ａに係合することにより、モータ２２が凹部１２か
ら抜け出さないようにする。Next, while holding the lens block 17 at the protruding position and moving the nut 25 to the upper end of the rotating shaft 23, the motor 22 is moved to the concave portion 1 of the housing 11.
2, and the engaging member 24 is engaged with the engaging portion 19 through the opening 13. At this time, the notch 30 provided on the motor mounting plate 28 is engaged with the locking piece 14 a formed on the retaining plate 14 so that the motor 22 does not come out of the concave portion 12.
【００１６】このようにして完成した駆動レンズユニッ
ト１０は、図示を省略したカメラ本体に装着されるとと
もに、モータ２２を正転及び逆転させることにより、レ
ンズブロック１７を突出位置と沈胴位置との間で移動さ
せることができる。The drive lens unit 10 completed in this manner is mounted on a camera body (not shown), and the motor 22 is rotated forward and reverse to move the lens block 17 between the projected position and the retracted position. Can be moved.
【００１７】このように本実施形態では、ハウジング１
１に収容されたレンズブロック１７の係合部１９に、レ
ンズブロック１７の移動方向に対して直交する方向から
モータ２２の係合部材２４を係合するだけで、簡単に駆
動レンズユニット１０を組み立てることができる。As described above, in this embodiment, the housing 1
The drive lens unit 10 can be easily assembled simply by engaging the engagement member 24 of the motor 22 with the engagement portion 19 of the lens block 17 accommodated in 1 from a direction orthogonal to the moving direction of the lens block 17. be able to.
【００１８】また、レンズブロック１７が突出位置にあ
るとき、レンズブロック１７の自重と圧縮バネ１６の付
勢力が釣り合い、レンズブロック１７は殆ど動かない状
態にあり、この状態で係合部１９に係合部材２４を係合
するので、作業者は大きな力でレンズブロック１７を突
出位置に保持する必要はなく、簡単に駆動レンズユニッ
ト１０を組み立てることができる。When the lens block 17 is in the protruding position, the weight of the lens block 17 and the urging force of the compression spring 16 are balanced, and the lens block 17 is hardly moved. Since the engaging member 24 is engaged, the operator does not need to hold the lens block 17 at the projecting position with a large force, and the drive lens unit 10 can be easily assembled.
【００１９】さらに、係合部１９と係合部材２４の係合
作業を行う際、レンズブロック１７が前方にせり出した
突出位置にあるので、作業者は係合部１９と係合部材２
４を目視しながら、簡単かつ確実に駆動レンズユニット
１０を組み立てることができる。Further, when performing the engagement work between the engagement portion 19 and the engagement member 24, the operator can engage the engagement portion 19 with the engagement member 2 because the lens block 17 is at the projecting position protruding forward.
4, the drive lens unit 10 can be easily and reliably assembled.
【００２０】なお付勢手段は、レンズブロック１７を突
出位置側に向けて付勢するとともに、レンズブロック１
７が突出位置に近づくにつれて徐々に付勢力を弱めるも
のであれば、圧縮バネ１６以外のものであってもよい。The urging means urges the lens block 17 toward the projecting position,
A member other than the compression spring 16 may be used as long as the urging force gradually decreases as the member 7 approaches the projecting position.
【００２１】[0021]
【発明の効果】以上のような本発明によれば、簡単かつ
確実に組み立てられる駆動レンズユニットを得ることが
できるとともに、駆動レンズを簡単かつ確実に組み立て
ることができる。According to the present invention as described above, it is possible to obtain a drive lens unit that can be easily and reliably assembled, and it is possible to easily and reliably assemble a drive lens.
【図１】本発明の一実施形態である駆動レンズユニット
の分解斜視図である。FIG. 1 is an exploded perspective view of a drive lens unit according to an embodiment of the present invention.
【図２】同じく、レンズブロックが突出位置にあるとき
の駆動レンズユニットの一部を破断した側面図である。FIG. 2 is a side view in which a part of a drive lens unit is similarly cut away when a lens block is at a protruding position.
【図３】同じく、レンズブロックが沈胴位置にあるとき
の駆動レンズユニットの一部を破断した側面図である。FIG. 3 is a side view in which a part of the drive lens unit is similarly cut away when the lens block is at a retracted position.
１０ 駆動レンズユニット １１ ハウジング １１ａガイド溝 １１ｂ孔 １２ 凹部 １３ 開口 １４ 抜け止め板 １４ａ係止片 １５ ガイド棒 １６ 圧縮バネ １７ レンズブロック １８ 突起 １９ 係合部 ２０ ガイド部材 ２１ ガイド孔 ２２ モータ ２３ 回転軸 ２４ 係合部材 ２５ ナット ２６ モータ本体 ２７ ガイド軸 ２８ モータ取り付け板 ２９ 押さえ板 ３０ 切欠部 Reference Signs List 10 drive lens unit 11 housing 11a guide groove 11b hole 12 recess 13 opening 14 retaining plate 14a locking piece 15 guide rod 16 compression spring 17 lens block 18 protrusion 19 engaging portion 20 guide member 21 guide hole 22 motor 23 rotation shaft 24 Engaging member 25 Nut 26 Motor main body 27 Guide shaft 28 Motor mounting plate 29 Pressing plate 30 Notch
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｇ０３Ｂ 19/02 Ｈ０４Ｎ 5/225 Ｄ Ｈ０４Ｎ 5/225 Ｇ０２Ｂ 7/04 Ｚ Ｆターム(参考） 2H044 AJ06 BF09 DA03 DB02 DC01 DD01 2H054 AA01 CD00 2H100 AA33 BB01 BB05 BB06 CC07 2H101 BB07 5C022 AA13 AC54 AC74 AC78 ──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) G03B 19/02 H04N 5/225 D H04N 5/225 G02B 7/04 Z F-term (Reference) 2H044 AJ06 BF09 DA03 DB02 DC01 DD01 2H054 AA01 CD00 2H100 AA33 BB01 BB05 BB06 CC07 2H101 BB07 5C022 AA13 AC54 AC74 AC78
Claims (5)
グと；このハウジングに、光軸方向後方の最も深く収容
された沈胴位置と、前方に最大限せり出した突出位置と
の間を直進移動可能に支持されたレンズブロックと；こ
のレンズブロックの外面に形成された係合部と；光軸と
平行な方向に直進駆動される係合部材を有し上記ハウジ
ングに対して着脱可能な駆動ユニットと；を備え、 係合部材と係合部は、駆動ユニットをハウジングに着脱
するとき、係合部材の移動方向と直交する方向から互い
に係脱可能であり、係合状態で一緒に移動することを特
徴とする駆動レンズユニット。1. A housing fixed in a main body of an optical apparatus; a housing capable of moving straight between a retracted position, which is housed most deeply behind the optical axis in the optical axis direction, and a protruding position which protrudes as far forward as possible. A lens block supported on the lens block; an engagement portion formed on the outer surface of the lens block; a drive unit having an engagement member driven linearly in a direction parallel to the optical axis and detachable from the housing. The engaging member and the engaging portion can be disengaged from each other from a direction orthogonal to the moving direction of the engaging member when the drive unit is attached to and detached from the housing, and move together in the engaged state. Characteristic drive lens unit.
いて、さらに、レンズブロックを常時、突出位置側に向
けて付勢するとともに、レンズブロックが突出位置に近
づくにつれて徐々に付勢力を弱める付勢手段を有する駆
動レンズユニット。2. The driving lens unit according to claim 1, further comprising: a biasing unit that constantly biases the lens block toward the projecting position and gradually reduces the biasing force as the lens block approaches the projecting position. A drive lens unit having
ットにおいて、上記光学機器がデジタルカメラである駆
動レンズユニット。3. The drive lens unit according to claim 1, wherein the optical device is a digital camera.
ットを組み立てる方法であって、レンズブロックを付勢
手段に従いその突出位置に保持し、この突出位置におい
て、係合部材と係合部を係合させる駆動レンズユニット
の組立方法。4. The method for assembling a drive lens unit according to claim 2, wherein the lens block is held at a projecting position thereof in accordance with the biasing means, and the engaging member and the engaging portion are engaged at the projecting position. How to assemble the drive lens unit.
立方法において、上記突出位置が、レンズブロックの自
重と付勢手段の付勢力が釣り合う位置である駆動レンズ
ユニットの組立方法。5. The method of assembling a drive lens unit according to claim 4, wherein the projecting position is a position where the weight of the lens block and the urging force of the urging means are balanced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001019469A JP2002221650A (en) | 2001-01-29 | 2001-01-29 | Driving lens unit and method for assembling the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001019469A JP2002221650A (en) | 2001-01-29 | 2001-01-29 | Driving lens unit and method for assembling the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002221650A true JP2002221650A (en) | 2002-08-09 |
Family
ID=18885345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001019469A Withdrawn JP2002221650A (en) | 2001-01-29 | 2001-01-29 | Driving lens unit and method for assembling the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002221650A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197133A (en) * | 2017-07-21 | 2017-09-22 | 维沃移动通信有限公司 | A kind of mobile terminal and CCD camera assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04136906A (en) * | 1990-09-28 | 1992-05-11 | Fuji Photo Optical Co Ltd | Photographing lens driving device for camera |
| JPH0996755A (en) * | 1995-07-26 | 1997-04-08 | Konica Corp | Lens driving device |
| JPH11119080A (en) * | 1997-10-09 | 1999-04-30 | Canon Inc | Lens barrel |
| JPH11202184A (en) * | 1998-01-09 | 1999-07-30 | Fuji Photo Optical Co Ltd | Lens device of television camera |
-
2001
- 2001-01-29 JP JP2001019469A patent/JP2002221650A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04136906A (en) * | 1990-09-28 | 1992-05-11 | Fuji Photo Optical Co Ltd | Photographing lens driving device for camera |
| JPH0996755A (en) * | 1995-07-26 | 1997-04-08 | Konica Corp | Lens driving device |
| JPH11119080A (en) * | 1997-10-09 | 1999-04-30 | Canon Inc | Lens barrel |
| JPH11202184A (en) * | 1998-01-09 | 1999-07-30 | Fuji Photo Optical Co Ltd | Lens device of television camera |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197133A (en) * | 2017-07-21 | 2017-09-22 | 维沃移动通信有限公司 | A kind of mobile terminal and CCD camera assembly |
| US11743567B2 (en) | 2017-07-21 | 2023-08-29 | Vivo Mobile Communication Co., Ltd. | Mobile terminal and camera assembly |
| US12101545B2 (en) | 2017-07-21 | 2024-09-24 | Vivo Mobile Communication Co., Ltd. | Mobile terminal and camera assembly |
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