JP2015114345A - Image forming apparatus - Google Patents

Image forming apparatus Download PDF

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JP2015114345A
JP2015114345A JP2013253724A JP2013253724A JP2015114345A JP 2015114345 A JP2015114345 A JP 2015114345A JP 2013253724 A JP2013253724 A JP 2013253724A JP 2013253724 A JP2013253724 A JP 2013253724A JP 2015114345 A JP2015114345 A JP 2015114345A
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image forming
operation panel
forming apparatus
opening
open
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JP6160468B2 (en
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隆晴 小山
Takaharu Koyama
隆晴 小山
天本　秀一
Shuichi Amamoto
秀一 天本
健司 久我谷
Kenji Kugaya
健司 久我谷
諭志 青
satoshi Ao
諭志 青
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Fujifilm Business Innovation Corp
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Fuji Xerox Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide an image forming apparatus including a large-scale operation display part and enabling prevention of an erroneous operation and damage in replacing an internal unit.SOLUTION: An image forming apparatus includes: an operation panel whose one end is rotatably supported to the apparatus body and that has an operation part on the other end; an open-close member that moves between a closed position to conceal a body interior and an open position exposing the interior; and lock means for holding the operation panel between a first retention position of retaining the operation panel inside a zone where the open-close member moves, and a second retention position of retaining the operation panel outside the zone where the open-close member moves. Further, the lock means has an interference zone interfering with an operation of opening the open-close member in the state of the operation panel being retained at the first retention position so as to enable movement of the open-close member by retracting to outside of the interference zone in association with an operation to move to the second retention position.

Description

本発明は、画像形成装置に関する。   The present invention relates to an image forming apparatus.

用紙搬送機構及び該用紙搬送機構内部を露出させるために開閉される開閉カバーと、操作受付及び機器情報表示の少なくとも一方の機能を備える操作パネルであって、開閉カバーの可動領域または該可動領域の上方の領域の少なくとも一方に干渉する干渉領域を含む領域で可動する操作パネルと、開閉カバーの開閉動作を規制してロックするロック機構と、操作パネルの位置を検出するパネル位置検出部と、パネル位置検出部によって検出された操作パネルの位置が干渉領域にある場合に、ロック機構に開閉カバーを閉状態でロックさせる制御部と、を備える画像形成装置が知られている（特許文献１）。   An operation panel having a paper transport mechanism, an open / close cover that is opened and closed to expose the inside of the paper transport mechanism, and an operation reception and device information display function, wherein the movable area of the open / close cover or the movable area An operation panel that moves in an area including an interference area that interferes with at least one of the upper areas, a lock mechanism that restricts and locks the opening / closing operation of the opening / closing cover, a panel position detection unit that detects the position of the operation panel, and a panel There is known an image forming apparatus including a control unit that locks an opening / closing cover in a closed state when a position of an operation panel detected by a position detection unit is in an interference region (Patent Document 1).

特開２０１０−３９３９１号公報JP 2010-39391 A

本発明は、内部ユニットを交換する際の誤操作及び破損を防止することができる画像形成装置を提供することを目的とする。   SUMMARY An advantage of some aspects of the invention is that it provides an image forming apparatus capable of preventing erroneous operation and damage when replacing an internal unit.

前記課題を解決するために、請求項１に記載の画像形成装置は、
一端側を装置本体へ回転可能に支持され他端側に操作部を有する操作パネルと、
装置本体の内部を隠す閉じた位置と内部を露出する開いた位置とに移動する開閉部材と、
前記操作パネルを前記開閉部材が移動する領域の内側で保持する第１の保持位置と前記操作パネルを前記開閉部材が移動する領域の外側で保持する第２の保持位置の間で保持するロック手段と、を備え、
前記ロック手段が、前記操作パネルが前記第１の保持位置で保持された状態で前記開閉部材を開く動作と干渉する干渉領域を有し、前記第２の保持位置に移動する動作と連携して前記干渉領域外に退避して前記開閉部材が移動可能となる、
ことを特徴とする。 In order to solve the above problem, an image forming apparatus according to claim 1,
An operation panel having one end side rotatably supported by the apparatus body and having an operation unit on the other end side;
An opening / closing member that moves between a closed position that hides the interior of the apparatus body and an open position that exposes the interior;
Locking means for holding the operation panel between a first holding position for holding the operation panel inside the area where the opening / closing member moves and a second holding position for holding the operation panel outside the area where the opening / closing member moves. And comprising
The locking means has an interference region that interferes with an operation of opening the opening / closing member in a state where the operation panel is held at the first holding position, and cooperates with an operation of moving to the second holding position. The opening / closing member can move by retracting out of the interference area.
It is characterized by that.

請求項２記載の発明は、請求項１に記載の画像形成装置において、
前記ロック手段が、前記操作パネルを装置本体へ回転可能に支持する支持軸に前記支持軸の軸線と交差する方向に突出して形成された、
ことを特徴とする。 According to a second aspect of the present invention, in the image forming apparatus according to the first aspect,
The locking means is formed on a support shaft that rotatably supports the operation panel to the apparatus main body and protrudes in a direction intersecting the axis of the support shaft.
It is characterized by that.

請求項３記載の発明は、請求項１又は２に記載の画像形成装置において、
前記開閉部材が前記装置本体の前カバーである、
ことを特徴とする。 According to a third aspect of the present invention, in the image forming apparatus according to the first or second aspect,
The opening / closing member is a front cover of the apparatus main body;
It is characterized by that.

請求項４記載の発明は、請求項１又は２に記載の画像形成装置において、
前記開閉部材が前記装置本体の上部カバーである、
ことを特徴とする。 According to a fourth aspect of the present invention, in the image forming apparatus according to the first or second aspect,
The opening / closing member is an upper cover of the apparatus main body;
It is characterized by that.

請求項１に記載の発明によれば、大型の操作表示部を備えつつ、内部ユニットを交換する際の誤操作及び破損を防止することができる。
請求項２に記載の発明によれば、低コストで画像形成装置の操作性を良好に保つことができる。
請求項３、４に記載の発明によれば、装置本体の開閉部材及び交換部品の破損を防止することができる。 According to the first aspect of the present invention, it is possible to prevent erroneous operation and breakage when replacing the internal unit while providing a large operation display section.
According to the second aspect of the invention, the operability of the image forming apparatus can be kept good at low cost.
According to the third and fourth aspects of the invention, it is possible to prevent the opening / closing member and the replacement part of the apparatus main body from being damaged.

画像形成装置１の正面外観図である。1 is a front external view of an image forming apparatus 1. FIG. 画像形成装置１の平面外観図である。2 is a plan external view of the image forming apparatus 1. FIG. 画像形成装置１の内部構成を示す断面模式図である。2 is a schematic cross-sectional view showing an internal configuration of the image forming apparatus 1. FIG. （ａ）は操作パネル８０の画像形成装置１本体への取り付け構造を説明するための部分斜視図、（ｂ）は操作パネル８０を水平方向に９０度回転移動した状態の部分斜視図である。(A) is a partial perspective view for explaining a structure for attaching the operation panel 80 to the main body of the image forming apparatus 1, and (b) is a partial perspective view in a state where the operation panel 80 is rotated 90 degrees in the horizontal direction. （ａ）は操作パネル８０が取り付けられた画像形成装置１の部分平面図、（ｂ）は操作パネル８０が取り付けられた画像形成装置１の部分正面図である。(A) is a partial plan view of the image forming apparatus 1 to which the operation panel 80 is attached, and (b) is a partial front view of the image forming apparatus 1 to which the operation panel 80 is attached. 変形例のロック機構を説明するための部分斜視図である。It is a fragmentary perspective view for demonstrating the lock mechanism of a modification.

次に図面を参照しながら、以下に実施形態を挙げ、本発明を更に詳細に説明するが、本発明はこれらの実施形態に限定されるものではない。
また、以下の図面を使用した説明において、図面は模式的なものであり、各寸法の比率等は現実のものとは異なることに留意すべきであり、理解の容易のために説明に必要な部材以外の図示は適宜省略されている。 Next, the present invention will be described in more detail with reference to the drawings with reference to the drawings. However, the present invention is not limited to these embodiments.
Also, in the description using the following drawings, it should be noted that the drawings are schematic and the ratio of each dimension and the like are different from the actual ones, and are necessary for the description for easy understanding. Illustrations other than the members are omitted as appropriate.

（１）画像形成装置の構成
図１は本実施形態に係る画像形成装置１の正面外観図、図２は画像形成装置１の平面外観図、図３は内部構成を示す断面模式図である。
以下、図面を参照しながら、画像形成装置１の全体構成及び動作を説明する。 (1) Configuration of Image Forming Apparatus FIG. 1 is a front external view of an image forming apparatus 1 according to the present embodiment, FIG. 2 is a plan external view of the image forming apparatus 1, and FIG. 3 is a schematic cross-sectional view showing an internal configuration.
Hereinafter, the overall configuration and operation of the image forming apparatus 1 will be described with reference to the drawings.

（１．１）画像形成装置のシステム構成
画像形成装置１は、制御装置１０、給紙装置２０、感光体ユニット３０、現像装置４０、露光装置５０、転写装置６０、定着装置７０、操作パネル８０、画像読み取り装置９０とを備えて構成されている。
画像形成装置１の前面には、消耗品等を交換する場合に、画像形成装置１内部を前方（Ｘ方向）へ開放する開閉部材の一例としての前カバー１ａが回転可能に支持されている。
画像形成装置１の後面には、紙詰まりや内部の点検等をする場合に、画像形成装置１内部を開放する後カバー１ｂが回転可能に支持されている。
画像形成装置１の上面（Ｚ方向）には、画像が記録された用紙が排出・収容される排出トレイを兼ねた上カバー１ｃが形成されている。 (1.1) System Configuration of Image Forming Apparatus The image forming apparatus 1 includes a control device 10, a paper feeding device 20, a photosensitive unit 30, a developing device 40, an exposure device 50, a transfer device 60, a fixing device 70, and an operation panel 80. The image reading device 90 is provided.
A front cover 1a as an example of an opening / closing member that opens the inside of the image forming apparatus 1 forward (X direction) when a consumable or the like is replaced is rotatably supported on the front surface of the image forming apparatus 1.
A rear cover 1b that opens the inside of the image forming apparatus 1 is rotatably supported on the rear surface of the image forming apparatus 1 when a paper jam or an internal inspection is performed.
On the upper surface (Z direction) of the image forming apparatus 1, an upper cover 1c serving as a discharge tray for discharging and storing a sheet on which an image is recorded is formed.

制御装置１０は、画像形成装置１の動作を制御する画像形成装置制御部１１と、印刷処理要求に応じた画像データを準備するコントローラ部１２、露光装置５０の光源の点灯を制御する露光制御部１３、電源装置１４等を有する。電源装置１４は、後述する帯電ローラ３２、現像ローラ４２、転写ローラ６１等に電圧を印加するとともに、露光装置５０に電力を供給する。   The control device 10 includes an image forming device control unit 11 that controls the operation of the image forming device 1, a controller unit 12 that prepares image data according to a print processing request, and an exposure control unit that controls lighting of the light source of the exposure device 50. 13, power supply device 14 and the like. The power supply device 14 applies a voltage to a charging roller 32, a developing roller 42, a transfer roller 61, and the like, which will be described later, and supplies power to the exposure device 50.

コントローラ部１２は、画像読み取り装置９０から入力される画像データや外部の情報送信装置（例えばパーソナルコンピュータ等）から入力された印刷情報を潜像形成用の画像情報に変換して予め設定されたタイミングで、駆動信号を露光制御部１３に出力する。
操作パネル８０は、各種の設定や指示の入力及び情報表示に用いられるものである。すなわち、いわゆるユーザインタフェースに相当するもので、具体的には液晶表示パネル、各種操作ボタン、タッチパネル等を組み合わせて構成されている。 The controller unit 12 converts image data input from the image reading device 90 or print information input from an external information transmission device (for example, a personal computer) into image information for forming a latent image, and a preset timing. Then, the drive signal is output to the exposure control unit 13.
The operation panel 80 is used for inputting various settings and instructions and displaying information. That is, it corresponds to a so-called user interface, and is specifically configured by combining a liquid crystal display panel, various operation buttons, a touch panel, and the like.

（１．２）画像形成部の構成と動作
画像形成装置１の底部には、給紙装置２０が設けられている。給紙装置２０は、記録媒体としての用紙を収納する用紙カセット２１を備え、用紙カセット２１の上面には多数の用紙が積載される。用紙カセット２１に積載され、規制板（不図示）で幅方向位置が決められた用紙は、上側から１枚ずつ用紙引き出し部２２により引き出された後、レジストローラ対２３のニップ部まで搬送される。 (1.2) Configuration and Operation of Image Forming Unit A paper feeding device 20 is provided at the bottom of the image forming apparatus 1. The paper feeding device 20 includes a paper cassette 21 that stores paper as a recording medium, and a large number of papers are stacked on the upper surface of the paper cassette 21. The paper loaded in the paper cassette 21 and positioned in the width direction by a regulating plate (not shown) is pulled out from the top one by one by the paper pulling portion 22 and then conveyed to the nip portion of the registration roller pair 23. .

感光体ユニット３０は、給紙装置２０の上方に設けられ、回転駆動する感光体ドラム３１を備えている。感光体ドラム３１の回転方向にそって、帯電ローラ３２、現像装置４０、転写ローラ６１、クリーニングブレード３４が配置されている。帯電ローラ３２には、帯電ローラ３２の表面をクリーニングするクリーニングローラ３３が対向、接触して配置されている。   The photoreceptor unit 30 includes a photoreceptor drum 31 that is provided above the sheet feeding device 20 and is driven to rotate. A charging roller 32, a developing device 40, a transfer roller 61, and a cleaning blade 34 are arranged along the rotation direction of the photosensitive drum 31. A cleaning roller 33 for cleaning the surface of the charging roller 32 is disposed opposite to and in contact with the charging roller 32.

現像装置４０は、内部に現像剤が収容される現像ハウジング４１を有する。現像ハウジング４１内には、感光体ドラム３１に対向して配置された現像ローラ４２と、この現像ローラ４２の背面側斜め下方には現像剤を現像ローラ４２側へ撹拌搬送するパドルホイール４３が配置されている。更に、このパドルホイール４３の背面側には撹拌搬送用の一対のオーガ４４、４５が配設されている。現像ローラ４２には、現像剤の層厚を規制する層規制ロール４６が近接配置されている。   The developing device 40 includes a developing housing 41 in which a developer is accommodated. In the developing housing 41, a developing roller 42 disposed opposite to the photosensitive drum 31 and a paddle wheel 43 that stirs and conveys the developer to the developing roller 42 side are disposed obliquely below the back side of the developing roller 42. Has been. Further, a pair of augers 44 and 45 for stirring and conveying are disposed on the back side of the paddle wheel 43. A layer regulating roll 46 that regulates the layer thickness of the developer is disposed adjacent to the developing roller 42.

露光装置５０は、光源として用いられるレーザビーム出射手段５１と、レーザビーム出射手段５１からのレーザビームＬＢを偏向反射させる回転多面鏡（ポリゴンミラー）５２と、を備え、形成される画像データに応じて変調されたレーザビームＬＢで感光体ドラム３１の表面を走査する。   The exposure apparatus 50 includes a laser beam emitting means 51 used as a light source, and a rotary polygon mirror (polygon mirror) 52 that deflects and reflects the laser beam LB from the laser beam emitting means 51 according to image data to be formed. The surface of the photosensitive drum 31 is scanned with the modulated laser beam LB.

回転する感光体ドラム３１の表面は、帯電ローラ３２により帯電され、露光装置５０から出射するレーザビームＬＢにより静電潜像が形成される。感光体ドラム３１上に形成された静電潜像は現像ローラ４２によりトナー像として現像される。   The surface of the rotating photosensitive drum 31 is charged by the charging roller 32, and an electrostatic latent image is formed by the laser beam LB emitted from the exposure device 50. The electrostatic latent image formed on the photosensitive drum 31 is developed as a toner image by the developing roller 42.

転写装置６０は、転写ローラ６１を感光体ドラム３１に切離可能に支持する後カバー１ｂと、感光体ドラム３１とニップを形成する転写ローラ６１とから構成されている。転写ローラ６１には、画像形成装置制御部１１により制御される電源装置１４から転写電圧が印加され、感光体ドラム３１と転写ローラ６１間を通過する用紙に感光体ドラム３１上のトナー像を転写する。   The transfer device 60 includes a rear cover 1b that supports the transfer roller 61 so as to be separable from the photosensitive drum 31, and a transfer roller 61 that forms a nip with the photosensitive drum 31. A transfer voltage is applied to the transfer roller 61 from the power supply device 14 controlled by the image forming apparatus control unit 11, and the toner image on the photoconductive drum 31 is transferred to a sheet passing between the photoconductive drum 31 and the transfer roller 61. To do.

感光体ドラム３１表面の残留トナーは、クリーニングブレード３４により除去され、感光体ドラム３１を支持するハウジング内部に回収される。その後、感光体ドラム３１の表面は、帯電ローラ３２により再帯電される。尚、クリーニングブレード３４で除去しきれず帯電ローラ３２に付着した残留物は、帯電ローラ３２に接触して回転するクリーニングローラ３３の表面に捕捉され、蓄積される。   Residual toner on the surface of the photosensitive drum 31 is removed by the cleaning blade 34 and collected in the housing that supports the photosensitive drum 31. Thereafter, the surface of the photosensitive drum 31 is recharged by the charging roller 32. Residue that cannot be completely removed by the cleaning blade 34 and adheres to the charging roller 32 is captured and accumulated on the surface of the cleaning roller 33 that rotates in contact with the charging roller 32.

定着装置７０は一対の定着ローラ７１、７２を有し、一対の定着ローラ７１、７２の圧接領域によって定着領域が形成される。
転写ローラ６１によってトナー像が転写された用紙は、トナー像が未定着の状態で搬送ガイド６２を経由して定着装置７０に搬送される。定着装置７０に搬送された用紙は、一対の定着ローラ７１、７２により圧着と加熱の作用でトナー像が定着される。定着トナー像が形成された用紙は、搬送ガイド７３ａ，７３ｂによってガイドされ、排出ローラ対７４から画像形成装置１上面の上カバー１ｃに排出される。 The fixing device 70 includes a pair of fixing rollers 71 and 72, and a fixing region is formed by a pressure contact region between the pair of fixing rollers 71 and 72.
The sheet on which the toner image is transferred by the transfer roller 61 is conveyed to the fixing device 70 via the conveyance guide 62 in a state where the toner image is not fixed. The toner image is fixed on the sheet conveyed to the fixing device 70 by the action of pressure bonding and heating by a pair of fixing rollers 71 and 72. The sheet on which the fixing toner image is formed is guided by the conveyance guides 73a and 73b and is discharged from the discharge roller pair 74 to the upper cover 1c on the upper surface of the image forming apparatus 1.

（１．３）操作パネルの移動操作
操作パネル８０は、画像形成装置１本体の正面視左側上方（図１参照）、平面視左側下方（図２参照）に上下方向（Ｚ方向：図３中 矢印Ｒ参照）及び水平方向（Ｘ−Ｙ平面方向：図２中 矢印Ｒ参照）に回転可能に立設されている。
液晶表示パネル、各種操作ボタン等を組み合わせて構成されたユーザインタフェース部８１は、前カバー１ａの開閉動作に際し、前カバー１ａとの干渉を避けるために水平方向に回転移動される（図２中 矢印Ｒ参照）。 (1.3) Operation Panel Moving Operation The operation panel 80 is arranged in the vertical direction (Z direction: in FIG. 3) in the upper left side (refer to FIG. 1) of the main body of the image forming apparatus 1 and the lower left side (refer to FIG. 2). It is erected so as to be rotatable in the horizontal direction (see the arrow R) and in the horizontal direction (XY plane direction: see the arrow R in FIG. 2).
The user interface unit 81 configured by combining a liquid crystal display panel, various operation buttons, and the like is rotated and moved in the horizontal direction in order to avoid interference with the front cover 1a when the front cover 1a is opened and closed (arrow in FIG. 2). R).

（２）操作パネル
図４（ａ）は操作パネル８０の画像形成装置１本体への取り付け構造を説明するための部分斜視図、図４（ｂ）は操作パネル８０を水平方向に９０度回転移動した状態の部分斜視図、図５（ａ）は操作パネル８０が取り付けられた画像形成装置１の部分平面図、図５（ｂ）は操作パネル８０が取り付けられた画像形成装置１の部分正面図である。
以下、図面を参照しながら操作パネル８０の構成について説明する。尚、図４においてロック機構の内部構造を説明するために外装カバーを省略して描いている。 (2) Operation Panel FIG. 4A is a partial perspective view for explaining a structure for attaching the operation panel 80 to the main body of the image forming apparatus 1. FIG. 4B is a diagram showing the operation panel 80 rotated 90 degrees in the horizontal direction. 5A is a partial plan view of the image forming apparatus 1 to which the operation panel 80 is attached, and FIG. 5B is a partial front view of the image forming apparatus 1 to which the operation panel 80 is attached. It is.
Hereinafter, the configuration of the operation panel 80 will be described with reference to the drawings. In FIG. 4, the outer cover is omitted to illustrate the internal structure of the lock mechanism.

（２．１）操作パネルの構成
操作パネル８０は、各種の設定や指示の入力及び情報表示に用いられ、液晶表示パネル、各種操作ボタン等を組み合わせたユーザインタフェース部８１と、ユーザインタフェース部８１を水平方向に回転可能に支持するする支柱８２と、ユーザインタフェース部８１を支柱８２に対して上方へ回転可能に支持するチルト部８３とを含んで構成されている。 (2.1) Configuration of Operation Panel The operation panel 80 is used for inputting various settings and instructions and displaying information, and includes a user interface unit 81 that combines a liquid crystal display panel, various operation buttons, and the like, and a user interface unit 81. The column 82 is configured to support the column 82 so as to be rotatable in the horizontal direction, and the tilt unit 83 that supports the user interface unit 81 so as to be rotatable upward with respect to the column 82.

支柱８２は、操作パネル８０を前カバー１ａが移動する領域の内側で保持する第１の保持位置と、操作パネル８０を前カバー１ａが移動する領域の外側で保持する第２の保持位置との間で保持するロック手段の一例としてのロック機構８４を有している。   The support column 82 has a first holding position for holding the operation panel 80 inside the area where the front cover 1a moves, and a second holding position where the operation panel 80 is held outside the area where the front cover 1a moves. It has a lock mechanism 84 as an example of a lock means for holding between.

（２．２）ロック機構
ロック機構８４は、支柱８２に固定して設けられた爪形状板部材８５と、爪形状板部材８５に対向して前カバー１ａの一端側に設けられた凹部８６から構成されている。 (2.2) Lock mechanism The lock mechanism 84 includes a claw-shaped plate member 85 fixed to the support 82 and a recess 86 provided on one end side of the front cover 1a so as to face the claw-shaped plate member 85. It is configured.

図４（ａ）に示すように、爪形状板部材８５は、全体が板金からなる板部材であり、一端に支柱８２への固定部８５ａが形成され、他端には曲げ加工された突出部８５ｂが形成されている。   As shown in FIG. 4 (a), the claw-shaped plate member 85 is a plate member made entirely of sheet metal, a fixed portion 85a to the support post 82 is formed at one end, and a protruding portion bent at the other end. 85b is formed.

曲げ加工された突出部８５ｂは、前カバー１ａの一端側に形成されたスリット状の凹部８６に嵌め込まれた状態（図５（ａ）、（ｂ）参照）では、前カバー１ａの開閉方向と干渉する第１の保持位置となり、操作パネル８０が画像形成装置１の外側（側面側）方向へ回転移動された状態（図４（ｂ）参照）では、前カバー１ａの開閉方向と干渉しない第２の保持位置となる。   The bent protrusion 85b is fitted in a slit-like recess 86 formed on one end of the front cover 1a (see FIGS. 5A and 5B). In the state where the operation panel 80 is rotated to the outside (side surface side) direction of the image forming apparatus 1 (see FIG. 4B) in the first holding position that interferes, the first position that does not interfere with the opening / closing direction of the front cover 1a. 2 holding position.

（３）前カバーの開閉操作
本実施形態に係る画像形成装置１は、各種の設定や指示の入力及び情報表示に用いられる大型のユーザインタフェース部８１を備えた操作パネル８０を有している。
そして、画像形成装置１の正面側（Ｙ方向）を開放するために前カバー１ａを回転移動させると、前カバー１ａと操作パネル８０のユーザインタフェース部８１が接触して前カバー１ａを開放することができない。 (3) Opening / Closing Operation of Front Cover The image forming apparatus 1 according to this embodiment includes an operation panel 80 including a large user interface unit 81 used for inputting various settings and instructions and displaying information.
When the front cover 1a is rotated to open the front side (Y direction) of the image forming apparatus 1, the front cover 1a and the user interface unit 81 of the operation panel 80 come into contact with each other to open the front cover 1a. I can't.

そのために、前カバー１ａの開放動作に先立ち、操作パネル８０を画像形成装置１の側面側の前カバー１ａの開閉方向と干渉しない第２の保持位置へ回転移動することが行われるが、使用者の誤操作によって、前カバー１ａと操作パネル８０のユーザインタフェース部８１が接触して、前カバー１ａ及び操作パネル８０が破損する虞がある。
使用者の誤操作を防止するために、操作パネル８０の位置を検知して使用者に報知する場合には、位置検知手段や前カバー１ａの状態検知手段、電気的なロック手段、制御手段等を必要とし、コストが上昇するとともに、操作パネル８０の構成が複雑になり多くのスペースが必要になるという虞もあった。 Therefore, prior to the opening operation of the front cover 1a, the operation panel 80 is rotationally moved to the second holding position that does not interfere with the opening / closing direction of the front cover 1a on the side surface side of the image forming apparatus 1. Due to the erroneous operation, the front cover 1a and the user interface unit 81 of the operation panel 80 may come into contact with each other, and the front cover 1a and the operation panel 80 may be damaged.
In order to prevent the user's erroneous operation, when detecting the position of the operation panel 80 and notifying the user, position detection means, state detection means of the front cover 1a, electrical lock means, control means, etc. This increases the cost, and there is a risk that the configuration of the operation panel 80 becomes complicated and a lot of space is required.

本実施形態に係る画像形成装置１は、操作パネル８０を回転支持する支柱８２に固定して設けられた爪形状板部材８５と、爪形状板部材８５に対向して前カバー１ａの一端側に設けられた凹部８６からなるロック機構を有している。
爪形状板部材８５は、一端が支柱８２へ固定され、他端に曲げ加工された突出部８５ｂが形成されているために、操作パネル８０の回転に伴って、支柱８２とともに回転する。 The image forming apparatus 1 according to the present embodiment includes a claw-shaped plate member 85 fixed to a support column 82 that rotatably supports an operation panel 80, and a claw-shaped plate member 85 on one end side of the front cover 1a. It has a locking mechanism composed of a recessed portion 86 provided.
The claw-shaped plate member 85 has one end fixed to the support 82 and a bent portion 85b formed at the other end, so that it rotates together with the support 82 as the operation panel 80 rotates.

そして、操作パネル８０が画像形成装置１の正面側を向いて操作状態にあるときは、突出部８５ｂは、前カバー１ａの一端側に形成されたスリット状の凹部８６に嵌め込まれた状態で、前カバー１ａの開閉方向と干渉する第１の保持位置となっている。
操作パネル８０が画像形成装置１の側面側へ回転移動されるときは、操作パネル８０とともに回転して、前カバー１ａの開閉方向と干渉しない第２の保持位置となる。 When the operation panel 80 faces the front side of the image forming apparatus 1 and is in the operation state, the protruding portion 85b is fitted in a slit-like recess 86 formed on one end side of the front cover 1a. The first holding position interferes with the opening / closing direction of the front cover 1a.
When the operation panel 80 is rotationally moved toward the side surface of the image forming apparatus 1, the operation panel 80 rotates together with the operation panel 80 to become a second holding position that does not interfere with the opening / closing direction of the front cover 1a.

その結果、操作パネル８０が前カバー１ａの開閉方向と干渉する第１の位置にあるときは、前カバー１ａの開閉を行うことができず、操作パネル８０が画像形成装置１の側面側へ回転移動されるときに、操作パネル８０とともに回転して、前カバー１ａの開閉方向と干渉しない第２の保持位置に位置して、前カバー１ａの開閉を行うことができる状態となる。
そのために、使用者が操作パネル８０の回転移動を行うのみで、画像形成装置１の前カバー１ａを操作パネル８０と接触されることなく開放して、画像形成装置１内部に装着された消耗品等を交換することができ、画像形成装置１の操作性を良好に保つことができる。 As a result, when the operation panel 80 is at the first position that interferes with the opening / closing direction of the front cover 1a, the front cover 1a cannot be opened / closed, and the operation panel 80 rotates to the side of the image forming apparatus 1. When it is moved, it rotates with the operation panel 80 and is positioned at the second holding position where it does not interfere with the opening / closing direction of the front cover 1a, so that the front cover 1a can be opened and closed.
Therefore, the user only needs to rotate the operation panel 80 to open the front cover 1a of the image forming apparatus 1 without being in contact with the operation panel 80, so that the consumables mounted inside the image forming apparatus 1 are used. Etc. can be exchanged, and the operability of the image forming apparatus 1 can be kept good.

「変形例」
図６は、爪形状板部材８５の突出部８５ｂが嵌め込まれる凹部８６Ａを上カバー１ｃに設けて、画像形成装置１の内部に装着された交換部品と操作パネル８０との接触による破損を防止するロック機構８４を示す部分斜視図である。
本実施形態に係る画像形成装置１は、ロック機構８４として、操作パネル８０を回転支持する支柱８２に固定して設けられた爪形状板部材８５と、上カバー１ｃの一端側に爪形状板部材８５の突出部８５ｂが嵌め込まれる凹部８６Ａを設けても良い。 "Modification"
In FIG. 6, the upper cover 1 c is provided with a recess 86 </ b> A into which the protruding portion 85 b of the claw-shaped plate member 85 is fitted to prevent damage due to contact between the replacement part mounted inside the image forming apparatus 1 and the operation panel 80. 4 is a partial perspective view showing a lock mechanism 84. FIG.
The image forming apparatus 1 according to the present embodiment includes a claw-shaped plate member 85 fixed as a lock mechanism 84 and fixed to a support column 82 that rotatably supports the operation panel 80, and a claw-shaped plate member on one end of the upper cover 1c. A recessed portion 86A into which the 85 protruding portions 85b are fitted may be provided.

具体的には、操作パネル８０が画像形成装置１の正面へ向いて操作状態にあるときは、突出部８５ｂは、上カバー１ｃの一端側に形成されたスリット状の凹部８６Ａに嵌め込まれた状態で、上カバー１ｃの開閉方向と干渉する第１の保持位置となっている。
操作パネル８０が画像形成装置１の側面方向へ回転移動されるときは、操作パネル８０とともに回転して、上カバー１ｃの開閉方向と干渉しない第２の保持位置となる。 Specifically, when the operation panel 80 faces the front of the image forming apparatus 1 and is in an operation state, the protruding portion 85b is fitted in a slit-like recess 86A formed on one end side of the upper cover 1c. Thus, the first holding position interferes with the opening / closing direction of the upper cover 1c.
When the operation panel 80 is rotationally moved in the side surface direction of the image forming apparatus 1, the operation panel 80 rotates together with the operation panel 80 to become a second holding position that does not interfere with the opening / closing direction of the upper cover 1 c.

その結果、操作パネル８０が上カバー１ｃの開閉方向と干渉する第１の位置にあるときは、上カバー１ｃの開閉を行うことができず、操作パネル８０が画像形成装置１の側面方向へ回転移動されるときに、操作パネル８０とともに回転して、上カバー１ｃの開閉方向と干渉しない第２の保持位置に位置して、上カバー１ｃの開閉を行うことができる状態となる。
そのために、使用者が操作パネル８０の回転移動を行って、画像形成装置１内部に装着された消耗品等を交換するときに、交換部品と操作パネル８０との衝突を防止して、交換部品の損傷を抑制し、画像形成装置１の操作性を良好に保つことができる。 As a result, when the operation panel 80 is in the first position that interferes with the opening / closing direction of the upper cover 1c, the upper cover 1c cannot be opened / closed, and the operation panel 80 rotates in the side surface direction of the image forming apparatus 1. When it is moved, it rotates with the operation panel 80 and is positioned at the second holding position where it does not interfere with the opening / closing direction of the upper cover 1c, so that the upper cover 1c can be opened / closed.
Therefore, when the user rotates the operation panel 80 to replace the consumables mounted in the image forming apparatus 1, the replacement part prevents the replacement part and the operation panel 80 from colliding with each other. Can be suppressed, and the operability of the image forming apparatus 1 can be kept good.

１・・・画像形成装置
１ａ・・・前カバー
１ｃ・・・上カバー
１０・・・制御装置
２０・・・給紙装置
３０・・・感光体ユニット
４０・・・現像装置
５０・・・露光装置
６０・・・転写装置
７０・・・定着装置
８０・・・操作パネル
８１・・・ユーザインタフェース部
８２・・・支柱
８３・・・チルト部
８４・・・ロック機構
８５・・・爪形状板部材
８５ａ・・・固定部（爪形状板部材）
８５ｂ・・・突出部（爪形状板部材）
８６・・・凹部（前カバー）
８６Ａ・・・凹部（上カバー） DESCRIPTION OF SYMBOLS 1 ... Image forming apparatus 1a ... Front cover 1c ... Upper cover 10 ... Control device 20 ... Paper feeding device 30 ... Photoconductor unit 40 ... Developing device 50 ... Exposure Device 60 ... Transfer device 70 ... Fixing device 80 ... Operation panel 81 ... User interface unit 82 ... Stand 83 ... Tilt unit 84 ... Lock mechanism 85 ... Claw-shaped plate Member 85a ... fixed part (claw-shaped plate member)
85b ... projecting part (claw-shaped plate member)
86 ... Recess (front cover)
86A ... recess (upper cover)

Claims (4)

一端側を装置本体へ回転可能に支持され他端側に操作部を有する操作パネルと、
装置本体の内部を隠す閉じた位置と内部を露出する開いた位置とに移動する開閉部材と、
前記操作パネルを前記開閉部材が移動する領域の内側で保持する第１の保持位置と前記操作パネルを前記開閉部材が移動する領域の外側で保持する第２の保持位置の間で保持するロック手段と、を備え、
前記ロック手段が、前記操作パネルが前記第１の保持位置で保持された状態で前記開閉部材を開く動作と干渉する干渉領域を有し、前記第２の保持位置に移動する動作と連携して前記干渉領域外に退避して前記開閉部材が移動可能となる、
ことを特徴とする画像形成装置。 An operation panel having one end side rotatably supported by the apparatus body and having an operation unit on the other end side;
An opening / closing member that moves between a closed position that hides the interior of the apparatus body and an open position that exposes the interior;
Locking means for holding the operation panel between a first holding position for holding the operation panel inside the area where the opening / closing member moves and a second holding position for holding the operation panel outside the area where the opening / closing member moves. And comprising
The locking means has an interference region that interferes with an operation of opening the opening / closing member in a state where the operation panel is held at the first holding position, and cooperates with an operation of moving to the second holding position. The opening / closing member can move by retracting out of the interference area.
An image forming apparatus. 前記ロック手段が、前記操作パネルを装置本体へ回転可能に支持する支持軸に前記支持軸の軸線と交差する方向に突出して形成された、
ことを特徴とする請求項１に記載の画像形成装置。 The locking means is formed on a support shaft that rotatably supports the operation panel to the apparatus main body and protrudes in a direction intersecting the axis of the support shaft.
The image forming apparatus according to claim 1. 前記開閉部材が前記装置本体の前カバーである、
ことを特徴とする請求項１又は２に記載の画像形成装置。 The opening / closing member is a front cover of the apparatus main body;
The image forming apparatus according to claim 1, wherein the image forming apparatus is an image forming apparatus. 前記開閉部材が前記装置本体の上部カバーである、
ことを特徴とする請求項１又は２に記載の画像形成装置。 The opening / closing member is an upper cover of the apparatus main body;
The image forming apparatus according to claim 1, wherein the image forming apparatus is an image forming apparatus.
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