JP2513325Y2 - Attaching / detaching device of copier unit - Google Patents
Attaching / detaching device of copier unitInfo
- Publication number
- JP2513325Y2 JP2513325Y2 JP1989099832U JP9983289U JP2513325Y2 JP 2513325 Y2 JP2513325 Y2 JP 2513325Y2 JP 1989099832 U JP1989099832 U JP 1989099832U JP 9983289 U JP9983289 U JP 9983289U JP 2513325 Y2 JP2513325 Y2 JP 2513325Y2
- Authority
- JP
- Japan
- Prior art keywords
- copying machine
- attaching
- unit
- lock lever
- lock
- 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.)
- Expired - Lifetime
Links
Landscapes
- Dry Development In Electrophotography (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、現像ユニツト，定着ユニツト，給紙ユニツ
ト等の複写機ユニツトを複写機本体に着脱する複写機ユ
ニツト着脱装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a copier unit attaching / detaching device for attaching / detaching a copier unit such as a developing unit, a fixing unit, a paper feeding unit to a main body of the copier.
上記複写機ユニツトは通常ユーザの操作により本体に
対して脱着する必要がある。The copying machine unit usually needs to be attached to and detached from the main body by a user's operation.
即ち、現像ユニツトは色替えコピー（単色カラー）あ
るいはトナー補給のために、定着ユニツトはジヤムした
紙の除去のために、給紙カセツトは用紙の交換あるいは
給紙ジヤムの処理のために脱着され、これらの各ユニツ
トは所定の位置に位置決めされロツクされているので、
脱着時にはロツクを解除しなければならない。That is, the developing unit is detached for color change copying (single color) or toner replenishment, the fixing unit for removing jammed paper, the paper cassette for exchanging paper or handling paper jam, Since each of these units is positioned and locked in place,
The lock must be released when removing or attaching.
例えば、特開昭55-33111号には現像器のスリーブに相
互ロツク機構を設け、これを操作して感光ドラムの引出
方向のロツクを解除することにより、スリーブ表面のト
ナーを除去して感光ドラムをトナーに汚染させずに引き
出す技術が開示されている。For example, in JP-A-55-33111, the sleeve of the developing device is provided with a mutual locking mechanism, and by operating the locking mechanism to release the locking in the pull-out direction of the photosensitive drum, the toner on the sleeve surface is removed and the photosensitive drum is removed. There is disclosed a technique for extracting the toner without contaminating the toner.
上記従来技術においては、ロツクレバーを設けてお
り、ユニツトの脱着の際はこのロツクレバーを解除する
必要があつたので、操作が複雑になるという欠点があつ
た。In the above-mentioned prior art, since the lock lever is provided and it is necessary to release the lock lever when the unit is attached or detached, there is a drawback that the operation becomes complicated.
本考案の目的は、複写機ユニツトの脱着の際のレバー
操作をなくして簡単な構成で操作性を向上させることが
できる複写機ユニツトの着脱装置を提供することにあ
る。SUMMARY OF THE INVENTION It is an object of the present invention to provide a copying machine unit attaching / detaching device that can improve the operability with a simple structure by eliminating the lever operation when the copying machine unit is attached / detached.
上記目的は、複写機の本体に引出し可能に支持された
複写機ユニツトの脱着装置において、回動途中のデツト
ポイントを境にしてコイルばねの引張り力で回動付勢さ
れるロツクレバーと、このロツクレバーの回動方向一端
に立設され、前記複写機ユニツトの前記本体への装着時
に前記デツトポイントを境にして前記コイルばねの付勢
力を前記複写機ユニツトに伝達し、前記複写機ユニツト
を移動させて本体内に位置決めロツクするロツクピン
と、前記ロツクレバーの回動方向他端に立設され、前記
複写機ユニツトの本体からの脱出時に前記デツトポイン
トを境にして前記コイルばねの付勢力を前記複写機ユニ
ツトに伝達し、前記複写機ユニツトを外方に向って移動
させるロツク解除ピンとを有する着脱機構を備えること
によって達成される。The above-mentioned object is to attach and detach a copying machine unit which is supported by the main body of the copying machine so that the lock lever is urged by the pulling force of the coil spring at a boundary point of the cut point. The lock lever is erected at one end in the rotation direction of the lock lever, and when the copying machine unit is mounted on the main body, the biasing force of the coil spring is transmitted to the copying machine unit with the dead point as a boundary, and the copying machine unit is moved. A locking pin for moving and positioning locking in the main body and an upright position at the other end in the rotation direction of the lock lever are provided upright, and when the copying machine unit exits from the main body, the biasing force of the coil spring is applied at the dead point. This is achieved by providing an attachment / detachment mechanism having a lock release pin that transmits to the copying machine unit and moves the copying machine unit outward.
デツドポイントを境にしてコイルばねを作用方向が切
り替わるロツクレバーの一端に立設したロツクピンによ
り、複写機ユニットを装着側に押しつけて位置決めロツ
クすると共に、上記ロツクレバーの他端に立設したロツ
ク解除ピンにより複写機ユニツトを外方に移動してロツ
ク解除を行う。With the lock pin that stands up at one end of the lock lever that switches the direction of action of the coil spring with the dead point as a boundary, press the copying machine unit to the mounting side to position and lock, and copy with the lock release pin that stands up at the other end of the lock lever. Move the machine unit outward to unlock.
以下、本考案の実施例を図面を参照して説明する。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
第５図は複写機の簡略構成図であつて、複写機ユニツ
トである現像ユニツト１、定着ユニツト２、給紙ユニツ
ト３、感光体ドラム（感光体ユニツト）４等は複写機本
体に対して手前側から脱着できるようになつている。FIG. 5 is a simplified block diagram of the copying machine. The developing unit 1, the fixing unit 2, the paper feeding unit 3, the photosensitive drum (photosensitive unit) 4, etc., which are the copying machine units, are in front of the copying machine body. It can be detached from the side.
第１図は本考案による複写機ユニツトの着脱装置の一
実施例の構成図であつて、５はガイドレール、６はカ
ム、７は板ばね、８はコイルばね、９は着脱機構、10は
現像ユニツト下部の突起、11はロツクレバー、12はロツ
クピン、13は支点ピン、14はガイドレール５の長穴、1
5,16はスプリングアンカー、17はコイルばね、18はロツ
ク解除ピンである。FIG. 1 is a block diagram of an embodiment of an attaching / detaching device for a copying machine unit according to the present invention, in which 5 is a guide rail, 6 is a cam, 7 is a leaf spring, 8 is a coil spring, 9 is an attaching / detaching mechanism, and 10 is a detaching mechanism. Protrusion under the developing unit, 11 is a lock lever, 12 is a lock pin, 13 is a fulcrum pin, 14 is a long hole of the guide rail 5, 1
5, 16 are spring anchors, 17 is a coil spring, and 18 is a lock release pin.
現像ユニツト１は、感光体ドラム４の軸方向にガイド
レール５に沿つて挿入し、挿入後左右方向移動させ、感
光体ドラム４に接近させる（図の位置）ことにより本体
に装着される。The developing unit 1 is mounted on the main body by inserting the developing unit 1 along the guide rail 5 in the axial direction of the photoconductor drum 4, moving the photoconductor drum 4 in the left-right direction, and approaching the photoconductor drum 4 (position shown in the figure).
左右方向に移動させる方法は、カム６を回転させてガ
イドレール５に固定された板ばね７を加圧させることに
より行う。カム６を回転させて退避させるとばね８によ
り現像ユニツト１は感光体ドラム４より遠ざかり、これ
により現像ユニツト１は引き出せる。The method of moving in the left-right direction is to rotate the cam 6 and pressurize the leaf spring 7 fixed to the guide rail 5. When the cam 6 is rotated and retracted, the developing unit 1 is moved away from the photosensitive drum 4 by the spring 8, and thus the developing unit 1 can be pulled out.
ガイドレール５の下部に着脱機構９が有り、レバー操
作を行わなくても、現像ユニツト１のスラスト方向の位
置決めロツクとその解除ができる。即ち、現像ユニツト
１を差し込むだけで位置決めロツクされ、引き抜くとロ
ツク解除する。An attachment / detachment mechanism 9 is provided below the guide rail 5, so that the developing unit 1 can be positioned and released in the thrust direction without operating the lever. That is, the positioning unit is locked only by inserting the developing unit 1, and unlocked when it is pulled out.
第２図は着脱機構の斜視図であつて、現像ユニツト１
が着脱機構９により位置決めロツクされた状態を示す。
即ち、現像ユニツト１の下部に設けられた突起10がロツ
クレバー11のロツクピン12により加圧され、位置決めさ
れた状態となつている。FIG. 2 is a perspective view of the attachment / detachment mechanism.
Shows the state in which the attachment / detachment mechanism 9 has positioned and locked.
That is, the projection 10 provided on the lower portion of the developing unit 1 is pressed by the lock pin 12 of the lock lever 11 and is in the state of being positioned.
第３図（ａ）〜（ｅ）は着脱機構の作動状態図であつ
て、現像ユニツト１はガイドレール５に沿つて本体に挿
入され、その後上述したように第１図のカム６を回転さ
せて板ばね７を加圧すれば現像ユニツト１は第１図，第
３図において左方向に移動し、突起10はロツクピン12と
ロツク解除ピン18の間に入り込む。FIGS. 3 (a) to 3 (e) are operation state diagrams of the attachment / detachment mechanism, in which the developing unit 1 is inserted into the main body along the guide rails 5, and then the cam 6 of FIG. 1 is rotated as described above. When the leaf spring 7 is pressed, the developing unit 1 moves leftward in FIGS. 1 and 3, and the projection 10 is inserted between the lock pin 12 and the lock release pin 18.
ロツクレバー11は支点ピン13を支点にし、約90°回転
自在となつており（ガイドレールの長穴14で角度が決ま
る）、ロツクレバー11に固設されたスプリングアンカー
15とガイドレール５本体に固設されたスプリングアンカ
ー16の間に張設されたコイルばね17によりロツクレバー
11はトグル機構を構成している。The lock lever 11 has a fulcrum pin 13 as a fulcrum and is rotatable about 90 ° (the angle is determined by the elongated hole 14 of the guide rail). The spring anchor fixed to the lock lever 11
A rock lever is provided by a coil spring 17 stretched between a spring anchor 16 fixed to the main body of the guide rail 5 and the spring 15.
11 constitutes a toggle mechanism.
現像ユニツト１を上述のように挿入すると、第３図
（ａ）の位置で現像ユニツト１下部の突起10のａ面がロ
ツクレバー11のロツク解除ピン18に当接し、さらに押し
込むとロツクレバー11は左回転（反時計方向）し45°回
転すると、同図（ｂ）の位置となる（デツドポイン
ト）。さらに押し込みデツドポイントを越えると、ロツ
クレバー11はコイルばね17により反時計方向の回転力を
受け、左回転し、ロツクピン12が突起10のｂ面を押し込
み所定の位置で位置決めロツクされる〔同図（ｃ）の状
態〕。When the developing unit 1 is inserted as described above, at the position shown in FIG. 3 (a), the a surface of the protrusion 10 at the lower part of the developing unit 1 comes into contact with the lock release pin 18 of the lock lever 11, and when it is further pushed, the lock lever 11 rotates counterclockwise. When rotated 45 degrees (counterclockwise), the position shown in FIG. When the push-in dead point is exceeded further, the lock lever 11 receives a counterclockwise rotational force by the coil spring 17 and rotates counterclockwise, and the lock pin 12 pushes in the b surface of the protrusion 10 and is positioned and locked at a predetermined position [(c) in the figure. ) State].
現像ユニツト１を引き抜く時は、同図（ｃ）の状態よ
り突起10のｂ面でロツクレバー11のロツクピン12を押
し、ロツクレバー11を右回転させる。ロツクレバー11は
45°回転した同図（ｄ）の位置（デツドポイント）を通
り過ぎるとコイルばね17により時計方向の回転力を受
け、同図（ｅ）の位置に回転しロツク解除となる。When the developing unit 1 is pulled out, the lock pin 12 of the lock lever 11 is pushed by the surface b of the projection 10 from the state of FIG. Lock lever 11
After passing through the position (dead point) shown in FIG. 7D rotated by 45 °, the coil spring 17 receives a clockwise rotational force, and the coil spring 17 rotates to the position shown in FIG.
この状態で上述したように、第１図に示すカム６を回
転させて退避させれば引張り方向に付勢するコイルばね
８の作用を受けて現像ユニツト１は右方向に移動し、さ
らに引き抜くと本体より取り出すことができる。In this state, as described above, when the cam 6 shown in FIG. 1 is rotated and retracted, the developing unit 1 is moved to the right by the action of the coil spring 8 that urges in the pulling direction, and is further pulled out. It can be taken out from the main body.
なお、ロツクピン12とロツク解除ピン18は支点ピン13
を支点にして同一円上（半径が同じ）に設けられてい
る。Lock pin 12 and lock release pin 18 are fulcrum pin 13
Are provided on the same circle with the same fulcrum (having the same radius).
また、ロツク解除ピン18とロツクピン12は支点ピン13
に対して90°の位置関係にある。In addition, the lock release pin 18 and the lock pin 12 are fulcrum pins 13
90 ° relative to.
上記のようにロツクレバー11に対するコイルばね17の
作用方向が切換わるトグル機構と、二つのピン12,18の
作用によりレバー操作なしでユニツトの挿入方向の位置
決めロックとロツク解除ができる。As described above, the toggle mechanism for switching the action direction of the coil spring 17 with respect to the lock lever 11 and the action of the two pins 12 and 18 enable the positioning lock and the lock release in the insertion direction of the unit without operating the lever.
第４図は本考案による複写機ユニツトの着脱装置の他
の実施例を示す斜視図であつて、給紙ユニツト３への応
用例を示している。FIG. 4 is a perspective view showing another embodiment of the apparatus for attaching and detaching the copying machine unit according to the present invention, showing an application example to the paper feeding unit 3.
給紙ユニツト３は、カセツト台20内に給紙カセツト21
がセツトされており、機械本体に対して前後方向（矢印
方向）に脱着可能となつている。The paper feed unit 3 has a paper feed cassette 21 in the cassette stand 20.
Is set and can be attached to and detached from the machine body in the front-rear direction (direction of the arrow).
カセツト台20の後側には挿入方向の着脱機構19が設け
られている。この機構の構成・動作は第３図で説明した
ものと略同様であるが、現像部ユニツト１での実施例
は、着脱機構９が本体側に設けられているのに対し、給
紙ユニツト３での実施例では、着脱機構19はユニツト側
に設けられている点が異なる。On the rear side of the cassette table 20, an attachment / detachment mechanism 19 in the insertion direction is provided. The structure and operation of this mechanism are substantially the same as those described with reference to FIG. 3, but in the embodiment of the developing unit 1, the attaching / detaching mechanism 9 is provided on the main body side, while the paper feeding unit 3 is used. The embodiment is different in that the attaching / detaching mechanism 19 is provided on the unit side.
カセツト台20を本体に対して挿入，引き出しすると、
カセツト台20の着脱機構19が本体側の突起（図示なし）
と係合して、位置決めロツクおよびロツク解除がなされ
る。Insert and pull out the cassette base 20 from the main body,
Attachment / detachment mechanism 19 of cassette stand 20 is a protrusion on the body side (not shown)
To engage and disengage the positioning lock.
以上説明したように、本考案によれば、着脱機構が作
動することにより、複写機ユニツトの着脱時にレバー操
作しなくともユニツトの挿入、引き抜き動作で自動的に
位置決めロツクおよびロツク解除されるので、操作性の
向上が図れる複写機ユニツトの着脱装置を提供すること
ができる。As described above, according to the present invention, since the attachment / detachment mechanism operates, the positioning lock and the lock release can be automatically performed by the insertion / extraction operation of the unit without the lever operation when the copy machine unit is attached / detached. It is possible to provide an attaching / detaching device for a copying machine unit that can improve operability.
第１図は本考案による複写機ユニツトの着脱装置の一実
施例の構成図、第２図は着脱機構の斜視図、第３図は着
脱機構の作動状態の説明図、第４図は他の実施例に係る
複写機ユニットの着脱装置の説明図、第５図は複写機の
構成の概略を示す概略構成図である。 ９……着脱装置、11……ロックレバー、12……ロックピ
ン、17……コイルばね、18……ロック解除ピン。FIG. 1 is a block diagram of an embodiment of an attaching / detaching device for a copying machine unit according to the present invention, FIG. 2 is a perspective view of the attaching / detaching mechanism, FIG. 3 is an explanatory view of an operating state of the attaching / detaching mechanism, and FIG. FIG. 5 is an explanatory diagram of a copying machine unit attaching / detaching device according to the embodiment, and FIG. 5 is a schematic configuration diagram showing an outline of the configuration of the copying machine. 9 ... Attachment / Detachment device, 11 ... Lock lever, 12 ... Lock pin, 17 ... Coil spring, 18 ... Lock release pin.
Claims (1)
写機ユニツトの脱着装置において、回動途中のデツトポ
イントを境にしてコイルばねの引張り力で回動付勢され
るロツクレバーと、このロツクレバーの回動方向一端に
立設され、前記複写機ユニツトの前記本体への装着時に
前記デツトポイントを境にして前記コイルばねの付勢力
を前記複写機ユニツトに伝達し、前記複写機ユニツトを
移動させて本体内に位置決めロツクするロツクピンと、
前記ロツクレバーの回動方向他端に立設され、前記複写
機ユニツトの本体からの脱出時に前記デツトポイントを
境にして前記コイルばねの付勢力を前記複写機ユニツト
に伝達し、前記複写機ユニツトを外方に向って移動させ
るロツク解除ピンとを有する着脱機構を備えたことを特
徴とする複写機ユニットの着脱装置。1. A device for attaching and detaching a copying machine unit, which is supported by a main body of the copying machine so as to be pulled out, and a lock lever which is urged to rotate by a tension force of a coil spring at a boundary point of a turning point. The lock lever is erected at one end in the rotational direction of the lock lever, and when the copying machine unit is mounted on the main body, the biasing force of the coil spring is transmitted to the copying machine unit with the dead point as a boundary. And a locking pin that moves the
The lock lever is erected at the other end in the rotational direction of the lock lever and transmits the urging force of the coil spring to the copying machine unit with the dead point as a boundary when the copying machine unit exits from the main body. An attaching / detaching device for a copying machine unit, comprising an attaching / detaching mechanism having a lock releasing pin for moving the head toward the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989099832U JP2513325Y2 (en) | 1989-08-29 | 1989-08-29 | Attaching / detaching device of copier unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989099832U JP2513325Y2 (en) | 1989-08-29 | 1989-08-29 | Attaching / detaching device of copier unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0339744U JPH0339744U (en) | 1991-04-17 |
| JP2513325Y2 true JP2513325Y2 (en) | 1996-10-02 |
Family
ID=31648864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989099832U Expired - Lifetime JP2513325Y2 (en) | 1989-08-29 | 1989-08-29 | Attaching / detaching device of copier unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2513325Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011121270A (en) * | 2009-12-10 | 2011-06-23 | Seiko Epson Corp | Position regulating member and conveying apparatus |
| JP6128414B2 (en) * | 2012-05-21 | 2017-05-17 | 株式会社リコー | Image forming apparatus |
| JP6413672B2 (en) * | 2014-11-12 | 2018-10-31 | 富士ゼロックス株式会社 | Image forming apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6278341A (en) * | 1985-09-28 | 1987-04-10 | 株式会社アイジー技術研究所 | Exterior construction method |
-
1989
- 1989-08-29 JP JP1989099832U patent/JP2513325Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0339744U (en) | 1991-04-17 |
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