JPH0728141A - Camera - Google Patents
CameraInfo
- Publication number
- JPH0728141A JPH0728141A JP17544593A JP17544593A JPH0728141A JP H0728141 A JPH0728141 A JP H0728141A JP 17544593 A JP17544593 A JP 17544593A JP 17544593 A JP17544593 A JP 17544593A JP H0728141 A JPH0728141 A JP H0728141A
- Authority
- JP
- Japan
- Prior art keywords
- spool
- motor
- speed reducer
- base plate
- camera
- 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
- Details Of Cameras Including Film Mechanisms (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、減速装置付のモータで
駆動されるフィルムの巻上機構について防音対策を施し
たカメラに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera in which a film winding mechanism driven by a motor with a speed reducer is soundproofed.
【0002】[0002]
【従来の技術】近年、カメラの静音化対策について種々
の提案がなされ、図4に示すフィルムの巻上機構にあっ
ては、駆動源であるモータ1に減速装置2を一体的に取
付け、モータ駆動中に発生する騒音の原因の一つである
モータ近傍の伝達ギヤの歯当たり音をこの減速装置2に
より減少させており、具体的には伝達ギヤ列を密閉構造
とすることで、ギヤの歯当たり音を遮音している。2. Description of the Related Art In recent years, various proposals have been made for noise reduction measures for cameras, and in the film winding mechanism shown in FIG. 4, a speed reducer 2 is integrally attached to a motor 1 which is a drive source, Tooth contact noise of the transmission gear near the motor, which is one of the causes of noise generated during driving, is reduced by the speed reducer 2. Specifically, by making the transmission gear train a closed structure, The sound of hitting the teeth is blocked.
【0003】このフィルム巻上機構は、下地板6にビス
16により減速装置2をビス止めし、カメラ本体8にビ
ス17でビス止めされた上地板7と、該下地板6に巻き
取りスプール5が回転可能に軸支され、減速装置2の出
力歯車9に噛合する不図示の伝達手段を介してスプール
5が回転駆動される。15はスプール室を示す。In this film winding mechanism, the speed reducer 2 is screwed to the base plate 6 with screws 16 and the upper base plate 7 is screwed to the camera body 8 with screws 17, and the take-up spool 5 is wound around the base plate 6. Is rotatably supported, and the spool 5 is rotationally driven via a transmission means (not shown) that meshes with the output gear 9 of the reduction gear 2. Reference numeral 15 indicates a spool chamber.
【0004】[0004]
【発明が解決しようとする課題】しかし、上記した従来
のフィルム巻上機構にあっては、ギヤの歯当たり音を減
少させる対策が施されているが、モータ振動が他の部材
と共鳴して発生する音については何等の対策が施されて
おらず、モータ駆動中に生じる音を充分に低減させるこ
とができなかった。However, in the above-mentioned conventional film winding mechanism, although a measure for reducing the tooth contact noise of the gear is taken, the motor vibration resonates with other members. No measures have been taken to generate the sound, and the sound generated during the driving of the motor could not be sufficiently reduced.
【0005】本発明の目的は、モータ駆動により発生す
る音をより一層減少させ、静音化の図れるカメラを提供
するものである。An object of the present invention is to provide a camera capable of further reducing the noise generated by driving a motor and reducing noise.
【0006】[0006]
【課題を解決するための手段および作用】本発明の目的
を実現する構成は特許請求の範囲に記載したように、フ
ィルム巻き取りスプール内に減速装置付モータを内蔵
し、該減速装置の出力を伝達手段を介して該スプールに
伝達し、フィルムの巻き取りを行うカメラにおいて、該
スプールの一端部を該減速装置の外筒部に回転自在に軸
支すると共に、該スプールの他端部を第1地板にて軸支
し、該第1地板を防振部材を介してカメラ本体に取り付
け、また該減速装置を防振部材を介してカメラ本体側に
支持固定することを特徴とし、減速装置付モータはカメ
ラ本体に対して防振部材を介して浮遊状態に支持される
ため、モータ駆動中の振動が他のカメラ本体の構成部材
に伝達されることが防止される。As described in the claims, a structure for realizing the object of the present invention has a motor with a speed reducer built in a film take-up spool, and the output of the speed reducer is In a camera for transmitting a film to a spool through a transmission unit to wind a film, one end of the spool is rotatably supported by an outer cylinder of the speed reducer, and the other end of the spool is One main plate is pivotally supported, the first main plate is attached to the camera body via a vibration isolating member, and the speed reducer is supported and fixed to the camera main body side via a vibration isolating member. Since the motor is supported in a floating state with respect to the camera body via the vibration isolating member, it is possible to prevent vibration during driving of the motor from being transmitted to other constituent members of the camera body.
【0007】[0007]
【実施例】図1ないし図3は本発明の一実施例を示す。1 to 3 show an embodiment of the present invention.
【0008】1は減速装置2と一体のモータで、減速装
置2の下部(出力側)の外形を大きくし、この大径部分
にフィルムの巻き取りスプール5の下部を摺動自在に嵌
合させ、この大径部分を軸受として該スプール5が回転
できるようにしている。Reference numeral 1 denotes a motor integrated with the speed reducer 2, which enlarges the outer shape of the lower part (output side) of the speed reducer 2 and slidably fits the lower part of the film take-up spool 5 to this large diameter portion. The large diameter portion is used as a bearing so that the spool 5 can rotate.
【0009】6は巻き取りスプール5に駆動力を伝達す
る歯車列を構成する給送下地板で、防振ゴム3を介して
ビス18により減速装置2がこの給送下地板6に取付け
られている。7は給送上地板で、モータ1の上部が嵌合
する嵌合部7aと、スプール5の上部が摺動自在に嵌合
する軸受け部7bとが形成され、防振ゴム4を介してビ
ス14によりカメラ本体8に取り付けられており、モー
タ1の上部が嵌合7aに嵌合することで減速装置付モー
タ1の倒れを防ぎ、また減速装置付モータ1は上下の防
振ゴム3、4により浮遊状態で保持されると共に、スプ
ール5が減速装置付モータ1を軸受けとして軸支されて
いるため、振動が他の部材に伝達されるのが防止され
る。Reference numeral 6 denotes a feed base plate which constitutes a gear train for transmitting a driving force to the take-up spool 5. The speed reducer 2 is attached to the feed base plate 6 by means of a screw 18 via a vibration-proof rubber 3. There is. Reference numeral 7 denotes an upper feeding base plate, which is formed with a fitting portion 7a into which the upper portion of the motor 1 is fitted and a bearing portion 7b into which the upper portion of the spool 5 is slidably fitted. The motor 1 is attached to the camera body 8 by 14, and the upper portion of the motor 1 is fitted into the fitting 7a to prevent the motor 1 with reduction gear from falling down. Thus, the spool 5 is held in a floating state and the spool 5 is rotatably supported by the motor 1 with a speed reducer as a bearing, so that the vibration is prevented from being transmitted to other members.
【0010】一方、減速装置2は、図3に示すように、
ビス19によりモータ1に取り付けられる。1aはモー
タ1に固着されたモータピニオンギヤ、2aは減速装置
の外筒と一体に形成された内歯車、2bはモータピニオ
ンギヤ1aと同一回転方向に公転する遊星ギヤで、この
遊星ギヤの回転力を減速装置の出力歯車9に伝達するよ
うにしている。出力歯車9が反時計方向に回転すると、
図2に示すように、太陽ギヤ10は時計方向に回転し、
遊星ギヤ11と減速ギヤ12が噛合し、減速ギヤ13を
介してスプール5が時計方向に回転しフィルムを巻き上
げる。On the other hand, the speed reducer 2 is, as shown in FIG.
It is attached to the motor 1 with screws 19. Reference numeral 1a is a motor pinion gear fixed to the motor 1, 2a is an internal gear integrally formed with the outer cylinder of the speed reducer, 2b is a planet gear that revolves in the same rotation direction as the motor pinion gear 1a, and the rotational force of this planet gear is The output gear 9 of the reduction gear transmission is transmitted. When the output gear 9 rotates counterclockwise,
As shown in FIG. 2, the sun gear 10 rotates clockwise,
The planetary gear 11 and the reduction gear 12 mesh with each other, and the spool 5 rotates clockwise through the reduction gear 13 to wind up the film.
【0011】以上の動作の中でモータ駆動中に発生する
初段系ギヤの歯当たり音については、減速装置2により
略密閉構造とすることで遮音し、さらに減速装置付モー
タおよび巻き取りスプールは上述したように防振ゴム
3、4により他の構造部材に振動が伝達されないように
しているので、モータ振動が他の構造物共鳴して発生す
る不快音の発生が防止できる。With respect to the tooth contact noise of the first-stage system gear generated during the driving of the motor in the above operation, the speed reducer 2 has a substantially closed structure to block the sound, and the motor with the speed reducer and the take-up spool are described above. As described above, the vibration-proof rubbers 3 and 4 prevent the vibrations from being transmitted to the other structural members. Therefore, it is possible to prevent the unpleasant noise generated by the vibration of the motor resonating with the other structures.
【0012】また、減速装置2の外径をスプール5の下
側軸受けとしているので、スプール内径が駆動用モータ
の外径に近いサイズで構成でき、小型化が図れる。Further, since the outer diameter of the speed reducer 2 is the lower bearing of the spool 5, the inner diameter of the spool can be configured to be close to the outer diameter of the drive motor, and the size can be reduced.
【0013】[0013]
【発明の効果】以上説明したように、本発明によれば、
減速装置付モータを防振ゴムによりカメラ本体の他の構
造物より浮遊させて保持しているので、モータ駆動中に
発生する振動音を抑え、またフィルム巻き取りスプール
下側の軸受けを減速装置に兼用させているので、スプー
ルの回転振動も遮断でき、しかも該スプール内径を小さ
くできるので、小型化の効果も大きい。As described above, according to the present invention,
Since the motor with speed reducer is held by the anti-vibration rubber suspended from other structures of the camera body, vibration noise generated while driving the motor is suppressed, and the bearing under the film take-up spool is used as the speed reducer. Since it is also used, the rotational vibration of the spool can be blocked and the inner diameter of the spool can be made small, so that the effect of miniaturization is great.
【図1】本発明の一実施例を示す断面図。FIG. 1 is a sectional view showing an embodiment of the present invention.
【図2】図1のフィルム給送伝達系を示す平面図。2 is a plan view showing the film feeding and transmitting system of FIG. 1. FIG.
【図3】図1の減速装置の歯車を示す平面図。3 is a plan view showing gears of the reduction gear transmission of FIG. 1. FIG.
【図4】従来のフィルム巻上機構を示す断面図。FIG. 4 is a sectional view showing a conventional film winding mechanism.
1 モータ 2 減速装置 3、4 防振ゴム 5 巻き取りスプール 6 巻上下地板 7 巻上上地板 8 カメラ本体 9 出力歯車 10〜13 減速歯車 14、18 段ビス 15 スプール室 16、17 ビス DESCRIPTION OF SYMBOLS 1 Motor 2 Reduction gear 3, 4 Anti-vibration rubber 5 Winding spool 6 Winding base plate 7 Winding upper base plate 8 Camera body 9 Output gears 10-13 Reduction gears 14, 18 Stage screws 15 Spool chambers 16, 17 screws
Claims (1)
付モータを内蔵し、該減速装置の出力を伝達手段を介し
て該スプールに伝達し、フィルムの巻き取りを行うカメ
ラにおいて、 該スプールの一端部を該減速装置の外筒部に回転自在に
軸支すると共に、該スプールの他端部を第1地板にて軸
支し、該第1地板を防振部材を介してカメラ本体に取り
付け、また該減速装置を防振部材を介してカメラ本体側
に支持固定することを特徴とするカメラ。1. A camera for winding a film, wherein a motor with a speed reducer is built in a film take-up spool, and an output of the speed reducer is transmitted to the spool through a transmission means to wind a film. Is rotatably supported by the outer cylinder of the speed reducer, the other end of the spool is supported by a first base plate, and the first base plate is attached to the camera body via a vibration isolating member. A camera characterized in that the speed reducer is supported and fixed to the camera body side via a vibration-proof member.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17544593A JPH0728141A (en) | 1993-07-15 | 1993-07-15 | Camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17544593A JPH0728141A (en) | 1993-07-15 | 1993-07-15 | Camera |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0728141A true JPH0728141A (en) | 1995-01-31 |
Family
ID=15996211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17544593A Pending JPH0728141A (en) | 1993-07-15 | 1993-07-15 | Camera |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0728141A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5729782A (en) * | 1994-11-02 | 1998-03-17 | Nikon Corporation | Camera film feed drive system reducing vibration and noise |
JP2006018093A (en) * | 2004-07-02 | 2006-01-19 | Nikon Corp | Structure for mounting camera drive unit |
JP2016142980A (en) * | 2015-02-04 | 2016-08-08 | キヤノン株式会社 | Drive device and optical instrument using the same |
-
1993
- 1993-07-15 JP JP17544593A patent/JPH0728141A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5729782A (en) * | 1994-11-02 | 1998-03-17 | Nikon Corporation | Camera film feed drive system reducing vibration and noise |
JP2006018093A (en) * | 2004-07-02 | 2006-01-19 | Nikon Corp | Structure for mounting camera drive unit |
JP4720116B2 (en) * | 2004-07-02 | 2011-07-13 | 株式会社ニコン | Camera drive unit mounting structure |
JP2016142980A (en) * | 2015-02-04 | 2016-08-08 | キヤノン株式会社 | Drive device and optical instrument using the same |
US10211701B2 (en) | 2015-02-04 | 2019-02-19 | Canon Kabushiki Kaisha | Driving apparatus and optical apparatus using the same |
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