JPH0915795A - Film with lens - Google Patents
Film with lensInfo
- Publication number
- JPH0915795A JPH0915795A JP19897595A JP19897595A JPH0915795A JP H0915795 A JPH0915795 A JP H0915795A JP 19897595 A JP19897595 A JP 19897595A JP 19897595 A JP19897595 A JP 19897595A JP H0915795 A JPH0915795 A JP H0915795A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- synthetic resin
- photographing
- photographing lens
- hole
- 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.)
- Pending
Links
Landscapes
- Lens Barrels (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、撮影用露光機能を予
め付与した感光性フィルム包装ユニット（以下「レンズ
付フィルム」と称する）等に用いられるカメラのレンズ
固定機構に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lens fixing mechanism for a camera used in a photosensitive film packaging unit (hereinafter referred to as "lens-attached film") having a photographing exposure function in advance.
【０００２】[0002]
【従来の技術】装填されている感光性フィルムを全部露
光撮影終了したとき、この撮影済フィルムを取り出し、
カメラ本体を廃棄処分にする簡易型カメラが最近多く市
販されている。このような簡易型カメラは、部品点数を
少なくし、機構を簡単にして製造コストを低減するため
にいろいろ工夫されている。例えば、実公平３−３９７
８４号公報に記載されている考案は、撮影レンズを組み
込んである光学部品の前面に嵌合する前面カバーの裏面
にレンズ押さえ環状突起を設け、組立に際して前面カバ
ーを嵌合したとき、この突起によって撮影レンズ前面周
辺を押圧してレンズを固定する保持機構に関するもので
ある。2. Description of the Related Art When all the exposed photosensitive film has been exposed and photographed, the photographed film is taken out,
Recently, many simple cameras that dispose of the camera body have been put on the market. Such a simplified camera has been devised in various ways to reduce the number of parts, simplify the mechanism, and reduce the manufacturing cost. For example, actual fairness 3-397
The invention described in Japanese Patent Publication No. 84 provides a lens pressing annular projection on the back surface of a front cover that fits on the front surface of an optical component incorporating a taking lens, and when the front cover is fitted during assembly, The present invention relates to a holding mechanism that presses the periphery of the front surface of a photographing lens to fix the lens.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記実用新案
の考案では前面カバーでレンズ周辺を押圧してレンズを
固定しているから、この前面カバーが成形時に反り変形
や歪みを生じていたときには光学部の撮影レンズの固定
が不充分になり、ガタを生じて固定できなかったり、前
面カバーが嵌合出来ないという問題点があった。However, in the above invention of the utility model, the front cover presses the periphery of the lens to fix the lens. Therefore, when the front cover is warped or distorted during molding, the optical There is a problem in that the photographing lens in some parts is not sufficiently fixed, which causes play and cannot be fixed, or the front cover cannot be fitted.
【０００４】[0004]
【課題を解決するための手段】この発明の前記目的は、
感光性フィルムを内蔵し、この感光性フィルムの装填
室、巻取室および巻取機構を備えた合成樹脂で形成して
ある写真撮影機本体の前面に、撮影レンズやシャッタ機
構を組み込んだ露光部およびファインダ部を備えた前面
カバー等を嵌合して形成してなるレンズ付フィルムにお
いて、前記撮影レンズを組み込む貫通孔を有する合成樹
脂で成形してある枠体と合成樹脂製の撮影レンズとを一
体成形、もしくは、前記枠体へ撮影レンズをレンズ押さ
え無しでレンズを取付けることによって達成できる。The above objects of the present invention are as follows:
An exposure unit that incorporates a taking lens and a shutter mechanism in front of the main body of the photographic machine, which is made of synthetic resin with a photosensitive film built-in chamber, a loading chamber for the photosensitive film, and a winding mechanism. Also, in a lens-equipped film formed by fitting a front cover or the like having a finder portion, a frame body made of synthetic resin having a through hole for incorporating the photographing lens and a photographing lens made of synthetic resin are provided. This can be achieved by integral molding or by mounting the taking lens on the frame without pressing the lens.
【０００５】また、前記合成樹脂製の枠体に設けた貫通
孔の周辺に、この貫通孔と同心円にして環状突起を突設
し、この突起の内周面に接触して合成樹脂製の撮影レン
ズを一体的に成形するか、前記合成樹脂製の枠体の環状
突起内に合成樹脂製の撮影レンズを圧入して撮影レンズ
を固定したり、前記写真撮影機本体の一部に撮影レンズ
の取付け用部材を設けるとともにこの取付け用部材に係
合する係合部を備えた撮影レンズのレンズ保持部材とか
らなり、前記取付け用部材とレンズ保持部材とを一体成
形、もしくは、前記枠体へ撮影レンズをレンズ押さえ無
しでレンズを取付けることによって達成することができ
る。Further, an annular projection is provided around the through hole provided in the frame made of synthetic resin so as to be concentric with the through hole, and an annular projection is brought into contact with the inner peripheral surface of the projection to photograph the synthetic resin. The lens is integrally molded, or a synthetic resin taking lens is press-fitted into the annular protrusion of the synthetic resin frame body to fix the taking lens, or the taking lens is attached to a part of the photographing machine body. A lens holding member of a photographing lens provided with a mounting member and having an engaging portion that engages with the mounting member. The mounting member and the lens holding member are integrally molded, or the frame is photographed. The lens can be achieved by mounting the lens without the lens retainer.
【０００６】[0006]
【作用】この発明のレンズ付フィルムは写真撮影機本体
の撮影レンズを嵌合する貫通孔を備えた露光部のレンズ
取付け部において、このレンズ取付け部と合成樹脂製の
撮影レンズとを一体的に成形するように係合部を形成し
てあるから、撮影レンズを写真撮影機本体に固定するた
めの部品を必要としないばかりでなく、撮影レンズの周
辺部を前面カバーの突起等で固定することもないから、
露光部に嵌合した撮影レンズを確実に固定することがで
き、固定保持に際して前面カバー等の歪みの影響も受け
ることなく、撮影レンズの周縁の押圧に際してのガタ等
を生じることもなく、撮影レンズが確実に所定位置に固
定保持することができる。撮影レンズとして合成樹脂で
成形するからガラス製品に比較して成形の自由度が大き
いから多くの製品に適応する撮影レンズを一体的に成形
することができる。The lens-attached film of the present invention is such that, in the lens mounting portion of the exposure section having the through hole for fitting the photographing lens of the main body of the photographic machine, the lens mounting portion and the photographic lens made of synthetic resin are integrally formed. Since the engaging part is formed so as to be molded, not only the part for fixing the taking lens to the main body of the photographing device is not required, but also the peripheral part of the taking lens is fixed by the protrusion of the front cover etc. Because there is no
The photographic lens fitted to the exposure unit can be securely fixed, the front cover and the like are not affected by the distortion when the lens is fixedly held, and there is no backlash when pressing the rim of the photographic lens. Can be securely held in place. Since the photographing lens is made of synthetic resin, the degree of freedom in molding is greater than that of glass products, so that the photographing lens suitable for many products can be integrally molded.
【０００７】[0007]
【実施例】図１はこの発明のレンズ付フィルムの一実施
例の分解斜視図である。図２はこの発明の第２の実施例
のレンズ固定方法の要部断面図である。１は巻装した感
光性フィルムを装填室３に配設し、他方側に巻取室２を
設けた写真撮影機本体で、この装填室３と巻取室２とは
感光性フィルムを搬送するための平面性のガイド部分に
よって連結してある。巻取室２には巻取ノブ１０が設け
られている。４は装填室３から繰り出された感光性フィ
ルムに露光するため、撮影レンズ６や露光シャッタ機構
等を備えた露光部である。この両側縁に撮影レンズ６を
固定する係合突起５，５が設けられている。前記露光部
４の貫通孔４ａに嵌合する撮影レンズ６の両端側に前記
係合突起５，５に係合する係合部７，７を形成してあ
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an exploded perspective view of an embodiment of the lens-fitted film of the present invention. FIG. 2 is a sectional view of a main part of a lens fixing method according to a second embodiment of the present invention. Reference numeral 1 is a main body of a photographic machine in which a wound photosensitive film is disposed in a loading chamber 3 and a winding chamber 2 is provided on the other side. The loading chamber 3 and the winding chamber 2 convey the photosensitive film. Are connected by a flat guide portion for. A winding knob 10 is provided in the winding chamber 2. An exposure unit 4 is provided with a taking lens 6 and an exposure shutter mechanism for exposing the photosensitive film fed from the loading chamber 3. Engaging projections 5 and 5 for fixing the taking lens 6 are provided on both side edges. Engaging portions 7 and 7 that engage with the engaging protrusions 5 and 5 are formed on both ends of the taking lens 6 that fits into the through hole 4a of the exposing portion 4.
【０００８】８は前記写真撮影機本体１の裏側から嵌合
する後面カバーで、上記装填室３と巻取室２とを収容で
きるように形成してある。９は上記露光部４の撮影レン
ズ６の前面に嵌合する前面カバーである。これら写真撮
影機本体１、前面カバー９、露光部４および後面カバー
８等は合成樹脂製となっている。この露光部４の貫通孔
部分に撮影レンズ６を嵌合し、露光部４の枠体４ｂの両
側に設けた係合突起５，５に撮影レンズ６の係合部７，
７を一体的に係合して組立る。係合部７を露光部４の枠
体に形成し、係合突起５を撮影レンズ６側に形成しても
よい。Reference numeral 8 denotes a rear cover which is fitted from the back side of the main body 1 of the photographic machine, and is formed so as to accommodate the loading chamber 3 and the winding chamber 2 therein. Reference numeral 9 denotes a front cover fitted to the front surface of the taking lens 6 of the exposure section 4. The main body 1, the front cover 9, the exposure unit 4, the rear cover 8 and the like of the photographic machine are made of synthetic resin. The taking lens 6 is fitted into the through hole portion of the exposing section 4, and the engaging projections 5 and 5 provided on both sides of the frame body 4b of the exposing section 4 are engaged with the engaging section 7 of the taking lens 6.
7 are integrally engaged and assembled. The engagement portion 7 may be formed on the frame body of the exposure portion 4, and the engagement protrusion 5 may be formed on the photographing lens 6 side.
【０００９】また、図２に示されるように露光部４の貫
通孔４ａの外周側に、この貫通孔４ａと同心円に環状突
起５ａを前面に突出させて、撮影レンズ６を圧入成形
し、この撮影レンズ６の外周縁を環状突起５ａ内周面に
固着して撮影レンズ６を固定保持することがきる。この
場合露光部４を軟質性樹脂で成形し、一方硬質性樹脂か
ら成形された撮影レンズ６を圧入して一体成形すること
により簡単に製造することができる。Further, as shown in FIG. 2, an annular projection 5a is formed on the outer peripheral side of the through hole 4a of the exposure section 4 so as to be concentric with the through hole 4a, and the photographing lens 6 is press-molded. The outer peripheral edge of the taking lens 6 can be fixed to the inner peripheral surface of the annular protrusion 5a to fix and hold the taking lens 6. In this case, the exposed portion 4 is molded with a soft resin, and on the other hand, the photographing lens 6 molded with a hard resin is press-fitted and integrally molded, so that the manufacturing can be easily performed.
【００１０】図１ではシャッタ機構を備えた露光部４は
撮影レンズ６の後側に配置されているが、撮影レンズ４
の前面側にシャッタ機構を配置してもよい。この発明の
撮影レンズ６は透明性に優れるアクリル樹脂系やジグリ
コールジアリルポリカーボネート等のポリカーボネート
樹脂系等の硬質性のものが用いられる。また、写真撮影
機本体やカバー等は耐衝撃に強い軟質性の樹脂が使用す
ることができる。In FIG. 1, the exposure unit 4 having a shutter mechanism is arranged behind the taking lens 6, but the taking lens 4
A shutter mechanism may be arranged on the front side of the. The taking lens 6 of the present invention is made of a hard material such as an acrylic resin type or a polycarbonate resin type such as diglycol diallyl polycarbonate having excellent transparency. Further, a soft resin having high impact resistance can be used for the main body of the photographic device, the cover and the like.
【００１１】このように形成されるレンズ付フィルム
は、撮影レンズ６は露光部４の貫通孔４ａ内に嵌合する
に際して、係合部７によって一体的に組立られるから安
定して確実に撮影レンズ６を固定することができる。ま
た撮影レンズ６を貫通孔４の外周に突出した環状突起５
ａ内に圧入して固定して一体的に成形することもできる
し、また、圧入でなく撮影レンズと写真撮影機本体１を
一体成形することなも可能である。The lens-attached film thus formed is stable and reliable because the taking lens 6 is integrally assembled by the engaging portion 7 when it is fitted into the through hole 4a of the exposing portion 4. 6 can be fixed. In addition, an annular projection 5 that projects the taking lens 6 onto the outer periphery of the through hole 4
It is also possible to press-fit into the inside of a and fix it to integrally mold it, or it is also possible to integrally mold the taking lens and the photographic device main body 1 instead of press-fitting.
【００１２】[0012]
【発明の効果】この発明のレンズ付フィルムは露光部の
撮影レンズが枠体と一体的に成形することができるので
部品点数が少なく、安価に製造することができるばかり
でなく、確実に所定位置に撮影レンズを固定保持するこ
とができる。また、写真撮影機本体とレンズを別個に成
形した場合においてレンズ押さえ無しで組立られるので
安価に製造できる。The lens-fitted film of the present invention has a small number of parts and can be manufactured at low cost because the photographing lens of the exposure section can be integrally formed with the frame, so that it can be securely placed at a predetermined position. The shooting lens can be fixedly held. Further, when the main body of the photographing device and the lens are separately molded, they can be assembled at low cost because they are assembled without pressing the lens.
【図１】この発明のレンズ付フィルムの分解斜視図であ
る。FIG. 1 is an exploded perspective view of a lens-attached film of the present invention.
【図２】この発明のレンズ固定方法の他の実施例の要部
断面図である。FIG. 2 is a cross-sectional view of essential parts of another embodiment of the lens fixing method of the present invention.
１ …写真撮影機本体 ２ …巻取室 ３ …装填室 ４ …露光部 ５ …係合部 ５ａ …環状突起 ６ …撮影レンズ ７ …両端係合部 ８ …後面カバー ９ …前面カバー １０ …巻取ノブ 1 ... Photographer main body 2 ... Winding chamber 3 ... Loading chamber 4 ... Exposure part 5 ... Engaging part 5a ... Annular protrusion 6 ... Photographing lens 7 ... Both end engaging parts 8 ... Rear cover 9 ... Front cover 10 ... Winding Knob
Claims (4)
ルムの装填室、巻取室および巻取機構を備えた合成樹脂
で形成してある写真撮影機本体の前面に、撮影レンズや
シャッタ機構を組み込んだ露光部およびファインダ部を
備えた前面カバー等を嵌合するとともに後面カバーで感
光性フィルム側を被覆して形成してなるレンズ付フィル
ムにおいて、 前記露光部の撮影レンズを組み込む貫通孔を有する合成
樹脂で成形してある枠体と合成樹脂製の撮影レンズとを
一体成形したことを特徴とするレンズ付フィルム。1. A photographing lens and a shutter mechanism are provided on the front surface of a main body of a photographic machine, which is made of synthetic resin having a photosensitive film built-in, a photosensitive film loading chamber, a winding chamber and a winding mechanism. In the lens-attached film formed by fitting a front cover or the like having an exposure section and a finder section incorporating the above, and covering the photosensitive film side with a rear cover, a through hole for incorporating the photographing lens of the exposure section is formed. A film with a lens, characterized in that a frame body made of a synthetic resin and a taking lens made of a synthetic resin are integrally formed.
周辺に、この貫通孔と同心円にして環状突起を突設し、
この突起の内周面に接触して合成樹脂製の撮影レンズを
一体的に成形したことを特徴とする請求項１記載のレン
ズ付フィルム。2. An annular projection is provided on the outer periphery of a through hole provided in the frame made of synthetic resin so as to be concentric with the through hole,
2. The lens-equipped film according to claim 1, wherein a photographing lens made of synthetic resin is integrally molded so as to come into contact with the inner peripheral surface of the protrusion.
樹脂製の撮影レンズを圧入して撮影レンズを固定したこ
とを特徴とする請求項１，２記載のレンズ付フィルム。3. The lens-equipped film according to claim 1, wherein the taking lens made of synthetic resin is press-fitted into the annular projection of the frame made of synthetic resin to fix the taking lens.
取付け用部材を設けるとともにこの取付け用部材に係合
する係合部を備えた撮影レンズからなることを特徴とす
る請求項１記載のレンズ付フィルム。4. A photographing lens provided with a member for mounting a photographing lens on a part of the main body of the photographic machine and having an engaging portion for engaging with the mounting member. Film with lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19897595A JPH0915795A (en) | 1995-06-30 | 1995-06-30 | Film with lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19897595A JPH0915795A (en) | 1995-06-30 | 1995-06-30 | Film with lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0915795A true JPH0915795A (en) | 1997-01-17 |
Family
ID=16400046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19897595A Pending JPH0915795A (en) | 1995-06-30 | 1995-06-30 | Film with lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0915795A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013205782A (en) * | 2012-03-29 | 2013-10-07 | Nec Embedded Products Ltd | Optical unit and camera module |
-
1995
- 1995-06-30 JP JP19897595A patent/JPH0915795A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013205782A (en) * | 2012-03-29 | 2013-10-07 | Nec Embedded Products Ltd | Optical unit and camera module |
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