JP2013218776A - Holding part construction of information recording device - Google Patents

Holding part construction of information recording device Download PDF

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JP2013218776A
JP2013218776A JP2012090779A JP2012090779A JP2013218776A JP 2013218776 A JP2013218776 A JP 2013218776A JP 2012090779 A JP2012090779 A JP 2012090779A JP 2012090779 A JP2012090779 A JP 2012090779A JP 2013218776 A JP2013218776 A JP 2013218776A
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information recording
elastic member
hole
holding frame
holding
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Naoto Miyakoshi
直人 宮越
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Kyocera Document Solutions Inc
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Kyocera Document Solutions Inc
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Abstract

PROBLEM TO BE SOLVED: To provide a holding part construction of an information recording device which can stabilize vibration proof characteristics of elastic members even if a dimension error is caused between a holding frame and the elastic members.SOLUTION: A holding part construction comprises a holding frame 26 locating outside of an information recording device and consisting of metal plates and elastic members fitting in holes 31 and 32 formed to the holding frame 26. The elastic members comprise circular engagement grooves opening on its peripheral surface and engaging opening end faces of the holes 31 and 32 and abutments existing between the information recording device and the holding frame 26. At the opening end faces of the holes 31 and 32, engagement tongues 31a and 32a not less than three, projecting toward the centers of the holes 31 and 32 and engaging the engagement grooves, are formed.

Description

本発明は、電子機器等に搭載されるハードディスクドライブ(HDD)等の情報記録装置を保持する情報記録装置の保持部構造に関する。   The present invention relates to a holding unit structure of an information recording apparatus that holds an information recording apparatus such as a hard disk drive (HDD) mounted on an electronic device or the like.

従来から、複写機、プリンタ、ファクシミリあるいはこれらを機能的に備えた複合機等の画像形成装置や各種電子機器にあっては、画像処理の高速化や多機能モード化等に対応するため、ハードディスクドライブ(以下、単に「HDD」と称する。)等の大容量の情報記録装置を搭載したものが周知である。   Conventionally, in image forming apparatuses such as copiers, printers, facsimiles, or multifunction devices equipped with these functions, and various electronic devices, hard disks are used to cope with high-speed image processing and multi-function modes. A device equipped with a large-capacity information recording device such as a drive (hereinafter simply referred to as “HDD”) is well known.

また、このような情報記録装置は、電子機器の内部に直接固定するのではなく、金属製の保持フレームを介して固定するものがある(例えば、特許文献1参照)。   In addition, such an information recording apparatus is not directly fixed inside an electronic device, but is fixed through a metal holding frame (see, for example, Patent Document 1).

この際、HDDの駆動に伴う振動は周辺機器への悪影響や共振の発生要因、或いは電子機器全体の振動となってしまうことから、保持フレームとHDDとの間にゴム等の弾性部材を介在させることが考えられる(例えば、特許文献2参照)。   At this time, vibration due to the drive of the HDD may cause adverse effects on peripheral devices, cause of resonance, or vibration of the entire electronic device. Therefore, an elastic member such as rubber is interposed between the holding frame and the HDD. (For example, refer to Patent Document 2).

図10は、このような弾性部材と保持フレームとの関係を示し、保持フレーム(全体図省略)には、端縁に開口する保持凹部1aを形成した支持部1を備えている。保持凹部1aには、略円柱状の弾性部材2が嵌入される。   FIG. 10 shows the relationship between such an elastic member and a holding frame, and the holding frame (entire drawing is omitted) is provided with a support portion 1 in which a holding recess 1a opened at an end edge is formed. A substantially cylindrical elastic member 2 is fitted into the holding recess 1a.

弾性部材2は、図11に示すように、その周面に開放する環状の係合溝部2aが形成されており、この係合溝部2aが保持凹部1aに嵌入される。弾性部材2には、両端面に開口する螺子穴2bが形成されており、この螺子穴2bに螺子(図示せず)を貫通させてその先端を装置本体やHDD(共に図示せず)に螺合する。   As shown in FIG. 11, the elastic member 2 is formed with an annular engagement groove 2a that is opened on the peripheral surface thereof, and the engagement groove 2a is fitted into the holding recess 1a. The elastic member 2 is formed with screw holes 2b that are open at both end faces. A screw (not shown) is passed through the screw hole 2b, and the tip of the screw is screwed into the apparatus main body or HDD (not shown). Match.

特開2006−184605号公報JP 2006-184605 A 特開2008−171460号公報JP 2008-171460 A

しかしながら、上述した情報記録装置の保持部構造にあっては、例えば、図10(B)に示すように、係合溝部2aの径(幅)L1に対して、係合溝部2aの径L2をほぼ同等かそれ以上(図ではそれ以上)としないと、弾性部材2の成型時の成型誤差等に起因するばらつき、又はや係合溝部1aの加工時の加工誤差に起因する寸法ばらつき、等によって相対的な寸法関係にばらつきが発生し易く、弾性部材の防振特性が安定しないという問題があった。   However, in the holding part structure of the information recording apparatus described above, for example, as shown in FIG. 10 (B), the diameter L2 of the engaging groove 2a is set to the diameter (width) L1 of the engaging groove 2a. If it is not substantially equal to or greater than that (in the figure, it is more than that), due to variations due to molding errors when the elastic member 2 is molded, or dimensional variations due to processing errors during processing of the engaging groove 1a, etc. There is a problem that the relative dimensional relationship is likely to vary, and the vibration isolation characteristics of the elastic member are not stable.

この際、特に保持凹部1aを真円状の穴とした場合、係合溝部2aと保持凹部(穴)1aとの接触部分が多い(環状)ことから、弾性部材2に振動が伝達し易いうえ、弾性部材2の軸線方向に沿う方向以外の振動に対しては、防振効果が低いという問題もあった。また、弾性部材2を変形させて弾性部材2の外径と同等の係合凹部(穴)1aに係合溝部2aを嵌め込むため、その作業時に弾性部材2が破損し易く、防振効果が損なわれ易いという問題も生じていた。なお、弾性部材2は保持フレームに対して複数個所に設けるのが一般的であるため、弾性部材2が破損すると防振バランスが全体的に崩れ、振動抑制効果がさらに損なわれてしまう。また、引用文献1のように情報記録装置以外の構成に駆動部を有する場合、引用文献2のように情報記録装置側からの駆動が他の周辺機器に伝達しないようにする場合に比べて、振動抑制は周辺機器(駆動部)側から情報記録装置側への振動伝達を抑制する必要があることから、弾性部材2の振動吸収力を高くしないとならない。   At this time, in particular, when the holding recess 1a is a perfect circular hole, the contact portion between the engagement groove 2a and the holding recess (hole) 1a is large (annular), so that vibration is easily transmitted to the elastic member 2. There is also a problem that the vibration-proofing effect is low with respect to vibrations other than the direction along the axial direction of the elastic member 2. Further, the elastic member 2 is deformed so that the engaging groove 2a is fitted into the engaging concave portion (hole) 1a equivalent to the outer diameter of the elastic member 2, so that the elastic member 2 is easily damaged during the operation, and the vibration-proofing effect is obtained. There was also a problem that it was easily damaged. In addition, since it is common to provide the elastic member 2 in multiple places with respect to a holding | maintenance frame, if the elastic member 2 is damaged, the vibration proof balance will be destroyed as a whole, and the vibration suppression effect will be further impaired. Further, when the driving unit is provided in a configuration other than the information recording device as in the cited document 1, compared to the case where the driving from the information recording device side is not transmitted to other peripheral devices as in the cited document 2, Since vibration suppression needs to suppress vibration transmission from the peripheral device (driving unit) side to the information recording device side, the vibration absorbing force of the elastic member 2 must be increased.

そこで、本発明は、保持フレームと弾性部材とに寸法誤差が発生しても弾性部材の防振特性を安定することができる情報記録装置の保持部構造を提供することを目的とする。   Accordingly, an object of the present invention is to provide a holding portion structure of an information recording apparatus capable of stabilizing the vibration isolation characteristics of an elastic member even if a dimensional error occurs between the holding frame and the elastic member.

上記課題を解決するため、本発明の情報記録装置の保持部構造は、情報記録装置の外側に位置して金属製プレートからなる保持フレームと、保持フレームに形成された穴部に嵌合する弾性部材と、を備え、弾性部材は、その周面に開放して穴部の開口端面と係合する環状の係合溝部と、情報記録装置と保持フレームとの間に介在される当接部と、を備えた情報記録装置の保持部構造において、穴部の開口端面には、穴部の中心に向かって突出されて係合溝部と係合する3つ以上の係合舌片が形成されていることを特徴とする。   In order to solve the above problems, the holding part structure of the information recording apparatus of the present invention has a holding frame made of a metal plate located outside the information recording apparatus and an elastic fit into a hole formed in the holding frame. An elastic engagement member that is open to its peripheral surface and engages with the opening end surface of the hole, and an abutting portion that is interposed between the information recording device and the holding frame. In the holding structure of the information recording apparatus having the above, three or more engaging tongues that protrude toward the center of the hole and engage with the engaging groove are formed on the opening end surface of the hole. It is characterized by being.

本発明によれば、保持フレームと弾性部材とに寸法誤差が発生しても弾性部材の防振特性を安定することができる。   According to the present invention, even if a dimensional error occurs between the holding frame and the elastic member, the vibration isolation characteristics of the elastic member can be stabilized.

この際、係合舌片の突出端面は、穴部の中心を基準とし且つ係合溝部の開放端と対向する底面の外径よりも小径な同一円周上にあるのが好ましい。また、穴部の外径は、弾性部材の外径よりも小さいのが好ましい。   At this time, it is preferable that the protruding end surface of the engaging tongue piece is on the same circumference having a diameter smaller than the outer diameter of the bottom surface facing the open end of the engaging groove portion with the center of the hole portion as a reference. Moreover, it is preferable that the outer diameter of a hole part is smaller than the outer diameter of an elastic member.

また、弾性部材は径方向に圧縮変形可能とされ、保持フレームには離間状態で穴部が複数形成され、複数の穴部は係合溝部の開放端と対向する底面の外径よりも幅狭なブリッジ穴によって連通させることも可能である。   Further, the elastic member can be compressed and deformed in the radial direction, and a plurality of holes are formed in the holding frame in a separated state, and the plurality of holes are narrower than the outer diameter of the bottom surface facing the open end of the engaging groove. It is also possible to communicate with each other through a simple bridge hole.

本発明の情報記録装置の保持部構造は、保持フレームと弾性部材とに寸法誤差が発生しても弾性部材の防振特性を安定することができる。   The holding part structure of the information recording apparatus of the present invention can stabilize the vibration isolation characteristics of the elastic member even if a dimensional error occurs between the holding frame and the elastic member.

本発明の一実施形態に係る情報記録装置の保持部構造を採用した電子機器としての複合機の斜視図である。1 is a perspective view of a multifunction peripheral as an electronic apparatus that employs a holding unit structure of an information recording apparatus according to an embodiment of the present invention. 本発明の一実施形態の情報記録装置の保持部構造を採用した電子機器としての複合機の要部の背面図である。It is a rear view of the principal part of the multifunctional machine as an electronic apparatus which employ | adopted the holding | maintenance part structure of the information recording device of one Embodiment of this invention. 本発明の一実施形態に係る情報記録装置の保持部構造を示し、(A)は保持フレームの斜視図、(B)は保持フレームの要部の拡大説明図である。1A and 1B show a holding unit structure of an information recording apparatus according to an embodiment of the present invention, in which FIG. 1A is a perspective view of a holding frame, and FIG. 本発明の一実施形態に係る情報記録装置の保持部構造を示し、(A)は穴部と弾性部材との関係を示す要部の説明図、(B)は穴部と弾性部材との関係を示す要部の断面図である。The holding | maintenance part structure of the information recording device which concerns on one Embodiment of this invention is shown, (A) is explanatory drawing of the principal part which shows the relationship between a hole and an elastic member, (B) is the relationship between a hole and an elastic member. It is sectional drawing of the principal part which shows. 本発明の一実施形態に係る情報記録装置の保持部構造を示し、(A)は弾性部材取り付け状態の保持フレームの要部の拡大説明図、(B)は螺子取り付け状態の保持フレームの要部の拡大説明図である。1A and 1B show a holding part structure of an information recording apparatus according to an embodiment of the present invention, in which FIG. 1A is an enlarged explanatory view of a main part of a holding frame with an elastic member attached, and FIG. FIG. 本発明の一実施形態に係る情報記録装置の保持部構造を示し、(A)は図6(C)のA−A線に沿う弾性部材の断面図、(B)は弾性部材の斜視図、(C)は弾性部材の平面図である。The holding | maintenance part structure of the information recording device which concerns on one Embodiment of this invention is shown, (A) is sectional drawing of the elastic member in alignment with the AA of FIG.6 (C), (B) is a perspective view of an elastic member, (C) is a top view of an elastic member. 本発明の一実施形態に係る情報記録装置の保持部構造を示し、穴部に弾性部材を装着する際の説明図である。It is explanatory drawing at the time of mounting | wearing an elastic member to the hole part which shows the holding | maintenance part structure of the information recording device which concerns on one Embodiment of this invention. 本発明の一実施形態に係る情報記録装置の保持部構造の変形例を示し、(A)は弾性部材を取り付けた状態の表面側から見た保持フレームの要部の拡大説明図、(B)は弾性部材を取り付けた状態の裏面側から見た保持フレームの要部の拡大説明図である。The modification of the holding | maintenance part structure of the information recording device which concerns on one Embodiment of this invention is shown, (A) is an expanded explanatory view of the principal part of a holding frame seen from the surface side of the state which attached the elastic member, (B) These are expansion explanatory drawings of the principal part of a holding frame seen from the back surface side in the state which attached the elastic member. 本発明の一実施形態に係る情報記録装置の保持部構造の変形例を示し、(A)は螺子を取り付けた状態の表面側から見た保持フレームの要部の拡大説明図、(B)は一部を破断した保持フレームの要部の拡大説明図である。The modification of the holding | maintenance part structure of the information recording device which concerns on one Embodiment of this invention is shown, (A) is an expanded explanatory view of the principal part of a holding frame seen from the surface side of the state which attached the screw, (B). It is an enlarged explanatory view of the principal part of the holding frame partially broken. 従来の情報記録装置の保持部構造を示し、(A)は保持フレームと弾性部材との関係を示す要部の斜視図、(B)は保持フレームと弾性部材との関係を示す要部の平面図である。1 shows a holding unit structure of a conventional information recording apparatus, in which (A) is a perspective view of the main part showing the relationship between the holding frame and the elastic member, and (B) is a plane of the main part showing the relationship between the holding frame and the elastic member. FIG. 従来の情報記録装置の保持部構造を示し、(A)は弾性部材の断面図、(B)は弾性部材の斜視図、(C)は弾性部材の平面図である。The holding | maintenance part structure of the conventional information recording device is shown, (A) is sectional drawing of an elastic member, (B) is a perspective view of an elastic member, (C) is a top view of an elastic member.

次に、本発明の一実施形態に係る情報記録装置の保持部構造について、図面を参照して説明する。尚、以下に示す実施例は本発明の情報記録装置の保持部構造における好適な具体例であり、技術的に好ましい種々の限定を付している場合もあるが、本発明の技術範囲は、特に本発明を限定する記載がない限り、これらの態様に限定されるものではない。また、以下に示す実施形態における構成要素は適宜、既存の構成要素等との置き換えが可能であり、かつ、他の既存の構成要素との組合せを含む様々なバリエーションが可能である。したがって、以下に示す実施形態の記載をもって、特許請求の範囲に記載された発明の内容を限定するものではない。   Next, a holding unit structure of an information recording apparatus according to an embodiment of the present invention will be described with reference to the drawings. In addition, although the Example shown below is a suitable specific example in the holding | maintenance part structure of the information recording device of this invention, and there may be technically preferable various restrictions, the technical scope of this invention is Unless specifically described to limit the present invention, it is not limited to these embodiments. In addition, the constituent elements in the embodiments shown below can be appropriately replaced with existing constituent elements and the like, and various variations including combinations with other existing constituent elements are possible. Therefore, the description of the embodiment described below does not limit the contents of the invention described in the claims.

(複合機の全体構成)
図1は本発明の一実施形態に係る情報記録装置の保持部構造を採用した電子機器としての複合機の斜視図、図2は本発明の一実施形態の情報記録装置の保持部構造を採用した電子機器としての複合機の要部の背面図である。
(Overall configuration of MFP)
FIG. 1 is a perspective view of a multifunction peripheral as an electronic apparatus that employs a holding unit structure of an information recording apparatus according to an embodiment of the present invention. FIG. 2 employs a holding unit structure of the information recording apparatus of one embodiment of the present invention. It is a rear view of the principal part of the multifunctional machine as an electronic device.

図1において、画像形成装置としての複合機11は、装置本体12の正面から引き出し可能な複数段(段数は限定されない)の給紙カセット13,14,15と、複写機・ファクシミリ・スキャナの各種機能として原稿を読み取る際にカバー又は自動原稿送り装置(共に図示せず)によって開放されるプラテン16と、装置本体12の側面側に設置された操作パネル17と、装置本体12の正面の一部を開閉してメンテナンス(ジャム解除や部品点検、トナーカートリッジ交換作業など)を行う際に開放される正面カバー18と、給紙カセット13,14,15とは別に転写紙を装置本体12の一方の側面(図示右側)から引き出し可能な手差しトレイ19と、画像形成処理後の転写紙を装置本体12の他方の側面(図示左側)に集積する上下2段の排紙トレイ20,21と、を備えている。   Referring to FIG. 1, a multifunction machine 11 as an image forming apparatus includes a plurality of stages (the number of stages is not limited) of paper feed cassettes 13, 14, 15 that can be pulled out from the front of the apparatus body 12, and various types of copiers, facsimile machines, and scanners. As functions, a platen 16 opened by a cover or an automatic document feeder (both not shown) when reading a document, an operation panel 17 installed on the side surface of the apparatus main body 12, and a part of the front of the apparatus main body 12 The front cover 18 that is opened when performing maintenance (such as clearing jams, inspecting parts, or replacing the toner cartridge) by opening and closing the paper, and transfer paper separately from one of the paper cassettes 13, 14, 15. The manual feed tray 19 that can be pulled out from the side surface (right side in the figure) and the transfer paper after the image forming process are stacked on the other side surface (left side in the figure) of the apparatus main body 12 It includes a two-stage discharge tray 20 and 21, the.

また、複合機11は、図2に示すように、装置本体12の背面側に、例えば、高さ方向で図1に示した正面カバー18と最上段の給紙カセット13との間に配置されて常時は背面カバー(図は取り外した状態)に覆われた駆動部22が配置されている。駆動部22は、上述した転写紙の給紙から画像形成処理を経て排紙に至る各種駆動系を駆動する他、その画像形成処理並びに駆動制御のためのプログラムや画像データ等を格納するための情報記録装置(HDD)23,24を搭載している。   Further, as shown in FIG. 2, the multifunction machine 11 is disposed on the back side of the apparatus main body 12, for example, between the front cover 18 shown in FIG. 1 and the uppermost sheet cassette 13 in the height direction. The drive unit 22 that is normally covered with a back cover (the state in which the figure is removed) is disposed. The drive unit 22 drives various drive systems from the above-mentioned transfer paper feeding to image discharge processing to paper discharge, and stores programs and image data for the image formation processing and drive control. Information recording devices (HDD) 23 and 24 are mounted.

情報記録装置23,24には、それぞれケーブル25が接続されて電源供給やデータの送受信が可能となっている。また、情報記録装置23,24は、一つの金属プレートからなる保持フレーム26を介して装置本体12に支持されている。   A cable 25 is connected to each of the information recording devices 23 and 24 to enable power supply and data transmission / reception. The information recording devices 23 and 24 are supported by the device main body 12 via a holding frame 26 made of one metal plate.

図3乃至図7は、本発明の一実施形態に係る情報記録装置の保持部構造を示し、図3(A)は保持フレームの斜視図、図3(B)は保持フレームの要部の拡大説明図、図4(A)は穴部と弾性部材との関係を示す要部の説明図、図4(B)は穴部と弾性部材との関係を示す要部の断面図、図5(A)は弾性部材取り付け状態の保持フレームの要部の拡大説明図、図5(B)は螺子取り付け状態の保持フレームの要部の拡大説明図、図6(A)は図6(C)のA−A線に沿う弾性部材の断面図、図6(B)は弾性部材の斜視図、図6(C)は弾性部材の平面図、図7は穴部に弾性部材を装着する際の説明図である。   3 to 7 show a holding unit structure of an information recording apparatus according to an embodiment of the present invention. FIG. 3A is a perspective view of the holding frame, and FIG. 3B is an enlarged view of a main part of the holding frame. 4A is an explanatory view of a main part showing the relationship between the hole and the elastic member, FIG. 4B is a cross-sectional view of the main part showing a relationship between the hole and the elastic member, and FIG. FIG. 5A is an enlarged explanatory view of the main part of the holding frame in a state where the elastic member is attached, FIG. 5B is an enlarged explanatory view of the main part of the holding frame in a state where the screw is attached, and FIG. FIG. 6B is a perspective view of the elastic member, FIG. 6C is a plan view of the elastic member, and FIG. 7 is an explanation when the elastic member is mounted in the hole. FIG.

保持フレーム26は、図3(A)に示すように、図示下方(図2の実機搭載状態に同じ<以下同じ>)に開放して情報記録装置23,24の挿入を可能とするフレーム本体部27と、フレーム本体部27と一体に形成されて装置本体12に固定するためのブラケット部28と、フレーム本体部27の対向する部分に切り起しによって形成されて情報記録装置23,24の間に位置するパーテーション部29と、フレーム本体部27の対向する部分に打ち抜き等によって形成されて情報記録装置23,24の上方及び下方に間に位置(計4箇所)する固定用穴30と、を備えている。   As shown in FIG. 3 (A), the holding frame 26 is opened downward in the figure (same as the actual machine mounted state in FIG. 2 <hereinafter the same>) so that the information recording devices 23 and 24 can be inserted. 27, a bracket portion 28 that is integrally formed with the frame main body portion 27 and is fixed to the apparatus main body 12, and is formed by cutting and raising between opposing portions of the frame main body portion 27 and between the information recording devices 23 and 24. And a fixing hole 30 formed by punching or the like in opposing portions of the frame main body 27 and positioned between the upper and lower portions of the information recording devices 23 and 24 (a total of four locations). I have.

固定用穴30は、図3(B)に示すように、それぞれ一方の情報記録装置23を保持フレーム26に固定する際に使用される穴部31と、他方の情報記録装置24を保持フレーム26に固定する際に使用される穴部32と、各穴部31,32に連通するブリッジ穴33とが一体に形成されている。   As shown in FIG. 3B, the fixing hole 30 includes a hole 31 used when fixing one information recording device 23 to the holding frame 26 and the other information recording device 24 holding the frame 26. A hole 32 used for fixing to the hole and a bridge hole 33 communicating with each of the holes 31 and 32 are integrally formed.

穴部31,32の開口端面には、図4に示すように、穴部31,32の中心に向かって突出された3つ以上の係合舌片31a,32aが形成されている。係合舌片31a,32aは、ブリッジ穴33を避けるように穴部31,32の中心を基準として三等分点位置に形成されている。穴部31,32には、図5(A)に示すように、弾性部材34が嵌合している。係合舌片31a,32aの突出端面は、穴部31,32の中心を基準とする同心円上に位置している。係合舌片31a,32aは穴部31,32に嵌め込まれた弾性部材34を実質的に支持する。なお、係合舌片31a,32aの突出数は、穴部31,32の径や支持する情報記録装置23,24の大きさ・回転速度等の条件によって適宜の数とすることができる。この際、支持バランスを考慮すると、3つ以上の等分点に均等配置するのが好ましい。また、その数を多くした場合には、弾性部材34に対する接触面積が広がって振動伝達し易くならないように、穴部31,32の径や支持する情報記録装置23,24の大きさ・回転速度等の条件を考慮して設定される。すなわち、保持フレーム26と弾性部材34との接触箇所(接触面積)を最小限にすることで、駆動部22からの振動を保持フレーム26を介して情報記録装置23,24に伝達し難くすることができ、弾性部材34の軸方方向以外の振動に対する防振効果を向上することができる。   As shown in FIG. 4, three or more engaging tongue pieces 31 a and 32 a protruding toward the centers of the hole portions 31 and 32 are formed on the opening end surfaces of the hole portions 31 and 32. The engaging tongue pieces 31a and 32a are formed at the position of a half point with respect to the center of the hole portions 31 and 32 so as to avoid the bridge hole 33. As shown in FIG. 5A, an elastic member 34 is fitted in the holes 31 and 32. The protruding end surfaces of the engaging tongue pieces 31a and 32a are located on concentric circles with the centers of the hole portions 31 and 32 as a reference. The engaging tongue pieces 31 a and 32 a substantially support the elastic member 34 fitted in the hole portions 31 and 32. The number of protrusions of the engaging tongues 31a and 32a can be set to an appropriate number depending on conditions such as the diameter of the holes 31 and 32 and the size and rotational speed of the information recording devices 23 and 24 to be supported. At this time, in consideration of the support balance, it is preferable to arrange them evenly at three or more equal points. Further, when the number is increased, the diameter of the holes 31 and 32 and the size and rotation speed of the information recording devices 23 and 24 to be supported are prevented so that the contact area with the elastic member 34 is widened and vibration transmission is not easily performed. It is set in consideration of such conditions. In other words, by minimizing the contact location (contact area) between the holding frame 26 and the elastic member 34, it is difficult to transmit vibration from the drive unit 22 to the information recording devices 23 and 24 via the holding frame 26. Thus, the anti-vibration effect against vibrations other than the axial direction of the elastic member 34 can be improved.

弾性部材34は、図6に示すように、その周面に開放して穴部31,32の開口端面と係合する環状の係合溝部34aと、情報記録装置23,24と保持フレーム26との間に介在される当接部34bと、図5(B)に示すように、保持フレーム26に情報記録装置23,24を固定するための螺子35が貫通する螺子穴34cと、端面に開放する環状の肉抜き溝34dと、端面から突出するとともに肉抜き溝34dを跨るように中心から放射状に伸びる複数のリブ34eと、を一体に備えている。弾性部材34は、ゴム或いは軟質発砲樹脂等によって一体成形されている。   As shown in FIG. 6, the elastic member 34 has an annular engagement groove 34 a that opens to the peripheral surface thereof and engages with the opening end surfaces of the holes 31 and 32, the information recording devices 23 and 24, and the holding frame 26. 5b, a screw hole 34c through which a screw 35 for fixing the information recording devices 23 and 24 to the holding frame 26 passes, and an end face is opened. And a plurality of ribs 34e that protrude from the end face and extend radially from the center so as to straddle the thickness reduction groove 34d. The elastic member 34 is integrally formed of rubber or soft foaming resin.

ここで、図4(A)に示すように、係合舌片31a,32aの突出端は穴部31,32の中心を基準とする仮想円(図示せず)の同一円周上にあり、その仮想円の径W1は係合溝部34aの開放端と対向する底面の外径W2よりも小径とされている。また、穴部31,32の外径W3は、弾性部材34の外径W4に対して、若干小さいのが好ましい。また、弾性部材34は径方向に圧縮変形可能とされている。従って、本実施の形態に示すように、隣接して2つの情報記録装置23,24を保持フレーム26に支持させる場合、離間状態の一対の穴部31,32をブリッジ穴33によって連通し、図7に示すように、このブリッジ穴33から弾性部材34を穴部31,32に嵌め込むことが可能となる。この際、係合溝部34aの開放端と対向する底面の外径W2よりもブリッジ穴33の幅W5を狭くすることによって穴部31,32から弾性部材34が不測に脱落してしまうことを抑制することができる。ブリッジ穴33の幅W5は、弾性部材34の外径W4の2/3よりも小さく且つ1/2よりも大きいのが好ましい。   Here, as shown in FIG. 4 (A), the protruding ends of the engaging tongues 31a and 32a are on the same circumference of a virtual circle (not shown) based on the centers of the holes 31 and 32, The diameter W1 of the virtual circle is smaller than the outer diameter W2 of the bottom surface facing the open end of the engagement groove 34a. The outer diameter W3 of the holes 31 and 32 is preferably slightly smaller than the outer diameter W4 of the elastic member 34. The elastic member 34 can be compressed and deformed in the radial direction. Therefore, as shown in the present embodiment, when the two information recording devices 23 and 24 are supported by the holding frame 26 adjacent to each other, the pair of spaced holes 31 and 32 are communicated with each other by the bridge hole 33. 7, the elastic member 34 can be fitted into the hole portions 31 and 32 from the bridge hole 33. At this time, the elastic member 34 is prevented from unexpectedly dropping from the holes 31 and 32 by making the width W5 of the bridge hole 33 narrower than the outer diameter W2 of the bottom surface facing the open end of the engagement groove 34a. can do. The width W5 of the bridge hole 33 is preferably smaller than 2/3 of the outer diameter W4 of the elastic member 34 and larger than 1/2.

係合溝部34aは、弾性部材34の軸線方向に沿う長さ方向の中間付近に形成されており、その全周に跨って形成されている。これにより、弾性部材34は、係合溝部34aを中心として対称とされ、保持フレーム26の内側及び外側の取り付け状態を不問としている。係合溝部34aの開口幅W6は、保持フレーム26の肉厚よりも小幅とされている。   The engaging groove 34a is formed in the vicinity of the middle in the length direction along the axial direction of the elastic member 34, and is formed over the entire circumference. As a result, the elastic member 34 is symmetric with respect to the engaging groove 34a, and the inner and outer attachment states of the holding frame 26 are unquestioned. The opening width W6 of the engagement groove 34a is smaller than the thickness of the holding frame 26.

当接部34bは、係合溝部34aを除いた部位によって構成されており、肉抜き溝34dと複数のリブ34eとを含んでいる。当接部34bは、保持フレーム26の内側に位置する方を情報記録装置23,24と保持フレーム26との間に介在される当接部34bとして用いている。また、保持フレーム26と螺子(の頭部)35との間に介在される方はここでは座金部34fとして機能している。   The contact portion 34b is configured by a portion excluding the engagement groove portion 34a, and includes a lightening groove 34d and a plurality of ribs 34e. The abutting portion 34 b is used as the abutting portion 34 b interposed between the information recording devices 23 and 24 and the holding frame 26 on the inner side of the holding frame 26. Further, the one interposed between the holding frame 26 and the screw (head) 35 functions here as a washer portion 34f.

螺子穴34cは、情報記録装置23,24を支持する際に予め情報記録装置23,24の側面に形成された雌螺子穴(図示せず)に合致したものが貫通する。この際、図4(A)に示すように、螺子穴34cの直径W7は、螺子35の軸部直径よりも小径とするのが望ましい。これにより、螺子35を螺子穴34cに貫通させた際には、係合舌片31a,32aの径W1を係合溝部34aの外径W2よりも小径としたことと相俟って弾性部材34を強固に嵌め込むことができると同時に穴部31,32の中心に弾性部材34と螺子35とを略同軸上に配置することが可能となる。また、螺子穴34cの存在により、弾性部材34を径方向に容易に圧縮変形させることができ、図7に示すように、ブリッジ穴33から穴部31,32への弾性部材34の嵌め込みを容易とする。これにより、弾性部材34は、ブリッジ穴33から穴部31,32へと移動させる際の傷付きを抑制することができる。   When the information recording devices 23 and 24 are supported, the screw holes 34c that pass through female screw holes (not shown) formed in the side surfaces of the information recording devices 23 and 24 in advance pass therethrough. At this time, as shown in FIG. 4A, the diameter W7 of the screw hole 34c is desirably smaller than the diameter of the shaft portion of the screw 35. Accordingly, when the screw 35 is passed through the screw hole 34c, the elastic member 34 is coupled with the fact that the diameter W1 of the engaging tongues 31a and 32a is smaller than the outer diameter W2 of the engaging groove 34a. Can be firmly fitted, and at the same time, the elastic member 34 and the screw 35 can be disposed substantially coaxially in the center of the holes 31 and 32. Further, due to the presence of the screw hole 34c, the elastic member 34 can be easily compressed and deformed in the radial direction, and the elastic member 34 can be easily fitted into the hole portions 31 and 32 from the bridge hole 33 as shown in FIG. And Thereby, the elastic member 34 can suppress the damage at the time of moving from the bridge hole 33 to the hole parts 31 and 32.

肉抜き溝34dは、成形時のヒケの防止とともにクッション性の維持のために形成されている。したがって、肉抜き溝34dの有無及び溝幅や深さ等は、その材質や弾性部材34の大きさ等によって適宜である。   The lightening groove 34d is formed to prevent sink marks during molding and to maintain cushioning properties. Therefore, the presence / absence of the lightening groove 34d, the groove width, the depth, and the like are appropriate depending on the material, the size of the elastic member 34, and the like.

複数のリブ34eは、情報記録装置23,24及び螺子35との接触面積を小さくすることによって衝撃吸収性を向上することができる。なお、複数のリブ34eの有無及び数や大きさ等は、その材質や弾性部材34の大きさ等によって適宜である。   The plurality of ribs 34e can improve shock absorption by reducing the contact area between the information recording devices 23 and 24 and the screw 35. The presence / absence, the number, size, and the like of the plurality of ribs 34e are appropriate depending on the material, the size of the elastic member 34, and the like.

上記の構成において、情報記録装置23,24は、予め保持フレーム26に保持された状態で装置本体12に装着され、ケーブル25が接続される。   In the above configuration, the information recording devices 23 and 24 are mounted on the device main body 12 in a state of being held in advance by the holding frame 26, and the cable 25 is connected thereto.

保持フレーム26には、図7に示すように、弾性部材34を径方向に押し潰すように圧縮変形させてブリッジ穴33から各穴部31,32に嵌め込んだ後に、情報記録装置23,24を本体フレーム27の一端側から内側に挿入する。この場合、弾性部材34が挿入される本体フレーム27の一部が内側に折り曲げられて、情報記録装置23,24の挿入方向に延びる帯状のパーテーション部29が形成されており、このパーテーション部29は長手方向の断面形状が所定の間隔で台形部が並ぶ形状に加工されているため、情報記録装置23,24は互いに所定の間隔を保持してスムーズに挿入される。そして、弾性部材34を介し、情報記録装置23,24を螺子35により保持フレーム26に固定する。保持フレーム26の装置本体12への固定は、図2に示すように、ブラケット部28を螺子37で固定する。   As shown in FIG. 7, the holding frame 26 is compressed and deformed so as to squeeze the elastic member 34 in the radial direction, and is fitted into the holes 31 and 32 from the bridge holes 33, and then the information recording devices 23 and 24. Is inserted inward from one end side of the main body frame 27. In this case, a part of the main body frame 27 into which the elastic member 34 is inserted is bent inward to form a strip-like partition portion 29 extending in the insertion direction of the information recording devices 23 and 24. The partition portion 29 is Since the cross-sectional shape in the longitudinal direction is processed into a shape in which trapezoidal portions are arranged at a predetermined interval, the information recording devices 23 and 24 are smoothly inserted with a predetermined interval therebetween. Then, the information recording devices 23 and 24 are fixed to the holding frame 26 with screws 35 via the elastic member 34. The holding frame 26 is fixed to the apparatus main body 12 by fixing the bracket portion 28 with screws 37 as shown in FIG.

装置本体12を稼動させると、駆動部22の駆動(特に、画像読取部や転写紙搬送装置など)の駆動により振動が発生する。その振動は、ブラケット部28から保持フレーム26の全体の振動として伝達されるが、保持フレーム26と情報記録装置23,24との間には弾性部材34が介在されているため、情報記録装置23,24への振動伝達が緩和される。   When the apparatus main body 12 is operated, vibration is generated by driving of the drive unit 22 (particularly, an image reading unit, a transfer paper transport device, etc.). The vibration is transmitted as vibration of the entire holding frame 26 from the bracket portion 28, but since the elastic member 34 is interposed between the holding frame 26 and the information recording devices 23, 24, the information recording device 23. , 24 is alleviated.

図8及び図9は本発明の一実施形態に係る情報記録装置の保持部構造の変形例を示し、図8(A)は弾性部材34を取り付けた状態の表面側から見た保持フレームの要部の拡大説明図、図8(B)は弾性部材34を取り付けた状態の裏面側から見た保持フレームの要部の拡大説明図、図9(A)は螺子を取り付けた状態の表面側から見た保持フレームの要部の拡大説明図、図9(B)は一部を破断した保持フレームの要部の拡大説明図である。   8 and 9 show a modified example of the holding unit structure of the information recording apparatus according to the embodiment of the present invention. FIG. 8A shows the essential parts of the holding frame as viewed from the front side with the elastic member 34 attached. 8B is an enlarged explanatory view of the main part of the holding frame as viewed from the back side with the elastic member 34 attached, and FIG. 9A is from the front side with the screw attached. FIG. 9B is an enlarged explanatory view of the main part of the holding frame with a part broken away.

ところで、上記実施の形態では、図3に示すように、固定用穴30は平面状のフレーム本体部27に形成したものを開示したが、HDD等の情報記録装置23,24は、比較的大型で重量があり、しかも駆動系(モータ等の回転体)を有している。このため、保持フレーム26を軽量化したまま強度を確保したい場合には、図8及び図9に示すように、保持フレーム46のフレーム本体47の穴部41,42に形成した係合舌片41a,42aを、内側に向けて段差状に屈曲させた状態で形成し、強度を確保することも可能である。   In the above embodiment, as shown in FIG. 3, the fixing hole 30 is disclosed to be formed in the flat frame body 27. However, the information recording devices 23 and 24 such as HDDs are relatively large. And has a driving system (a rotating body such as a motor). For this reason, when it is desired to secure strength while the holding frame 26 is reduced in weight, as shown in FIGS. 8 and 9, the engaging tongues 41a formed in the holes 41 and 42 of the frame body 47 of the holding frame 46 are used. , 42a can be formed in a state of being bent stepwise inward to ensure strength.

このように、本発明の情報記録装置23,24の保持部構造にあっては、情報記録装置23,24の外側に位置して金属製プレートからなる保持フレーム26と、保持フレーム26に形成された穴部31,32に嵌合する弾性部材34と、を備え、弾性部材34は、その周面に開放して穴部31,32の開口端面と係合する環状の係合溝部34aと、情報記録装置23,24と保持フレーム26との間に介在される当接部34bと、を備え、穴部31,32の開口端面には穴部31,32の中心に向かって突出されて係合溝部34aと係合する3つ以上の係合舌片31a,32aが形成されていることにより、保持フレーム26と弾性部材34とに寸法誤差が発生しても弾性部材34の防振特性を安定することができる。   Thus, in the holding part structure of the information recording devices 23 and 24 of the present invention, the holding frame 26 made of a metal plate is formed outside the information recording devices 23 and 24, and the holding frame 26 is formed. An elastic member 34 that fits into the holes 31, 32, and the elastic member 34 has an annular engagement groove 34a that opens to the peripheral surface and engages with the opening end surfaces of the holes 31, 32, and A contact portion 34b interposed between the information recording devices 23 and 24 and the holding frame 26, and projecting toward the center of the hole portions 31 and 32 on the opening end surfaces of the hole portions 31 and 32. Since the three or more engaging tongue pieces 31a and 32a that engage with the mating groove portion 34a are formed, even if a dimensional error occurs between the holding frame 26 and the elastic member 34, the vibration isolating characteristics of the elastic member 34 are improved. Can be stable.

23…情報記録装置
24…情報記録装置
25…ケーブル
26…保持フレーム
27…フレーム本体部
28…ブラケット部
29…パーテーション部
30…固定用穴
31…穴部
31a…係合舌片
32…穴部
32a…係合舌片
33…ブリッジ穴
34…弾性部材
34a…係合溝部
34b…当接部
34c…螺子穴
34d…肉抜き溝
34e…リブ
34f…座金部
35…螺子



DESCRIPTION OF SYMBOLS 23 ... Information recording device 24 ... Information recording device 25 ... Cable 26 ... Holding frame 27 ... Frame main-body part 28 ... Bracket part 29 ... Partition part 30 ... Fixing hole 31 ... Hole part 31a ... Engagement tongue 32 ... Hole part 32a ... engagement tongue piece 33 ... bridge hole 34 ... elastic member 34a ... engagement groove portion 34b ... contact portion 34c ... screw hole 34d ... thickening groove 34e ... rib 34f ... washer portion 35 ... screw



Claims (7)

情報記録装置の外側に位置して金属製プレートからなる保持フレームと、
前記保持フレームに形成された穴部に嵌合する弾性部材と、を備え、
前記弾性部材は、
その周面に開放して前記穴部の開口端面と係合する環状の係合溝部と、
前記情報記録装置と前記保持フレームとの間に介在される当接部と、
を備えた情報記録装置の保持部構造において、
前記穴部の開口端面には、前記穴部の中心に向かって突出されて前記係合溝部と係合する3つ以上の係合舌片が形成されていることを特徴とする情報記録装置の保持部構造。
A holding frame made of a metal plate located outside the information recording device;
An elastic member that fits into a hole formed in the holding frame,
The elastic member is
An annular engagement groove that opens to the peripheral surface and engages with the opening end surface of the hole;
A contact portion interposed between the information recording device and the holding frame;
In the holding part structure of the information recording device comprising:
In the information recording apparatus, the opening end face of the hole is formed with three or more engaging tongues that protrude toward the center of the hole and engage with the engaging groove. Holding part structure.
前記係合舌片の突出端面は、前記穴部の中心を基準とし且つ前記係合溝部の開放端と対向する底面の外径よりも小径な同一円周上にあることを特徴とする請求項1に記載の情報記録装置の保持部構造。   The protruding end surface of the engaging tongue piece is on the same circumference having a diameter smaller than the outer diameter of the bottom surface facing the open end of the engaging groove portion with respect to the center of the hole portion. The holding part structure of the information recording device according to 1. 前記穴部の外径は、前記弾性部材の外径よりも小さいことを特徴とする請求項1又は請求項2に記載の情報記録装置の保持部構造。   The holding part structure of the information recording apparatus according to claim 1, wherein an outer diameter of the hole is smaller than an outer diameter of the elastic member. 前記弾性部材は、径方向に圧縮変形可能とされ、
前記保持フレームには、離間状態で前記穴部が複数形成され、
前記複数の穴部は、前記係合溝部の開放端と対向する底面の外径よりも幅狭なブリッジ穴によって連通されていることを特徴とする請求項1乃至請求項3の何れか1項に記載の情報記録装置の保持部構造。
The elastic member is capable of compressive deformation in the radial direction,
A plurality of the hole portions are formed in the holding frame in a separated state,
The said some hole part is connected by the bridge | bridging hole narrower than the outer diameter of the bottom face facing the open end of the said engaging groove part, The any one of Claim 1 thru | or 3 characterized by the above-mentioned. The holding part structure of the information recording device described in 1.
前記弾性部には、その中心に前記保持フレームに前記情報記録装置を固定するための螺子が貫通する螺子穴が形成されていることを特徴とする請求項1乃至請求項4の何れかに記載の情報記録装置の保持部構造。   5. A screw hole through which a screw for fixing the information recording device to the holding frame is formed in the elastic portion at the center thereof. Structure of the information recording apparatus. 前記弾性部材には、端面に開放する環状の肉抜き溝が形成されていることを特徴とする請求項5に記載の情報記録装置の保持部構造。   6. The holding part structure for an information recording apparatus according to claim 5, wherein the elastic member is formed with an annular hollow groove that opens to an end face. 前記弾性部材には、端面から突出し且つ前記肉抜き溝を跨るように中心から放射状に伸びる複数のリブが形成されていることを特徴とする請求項6に記載の情報記録装置の保持部構造。


7. The holding structure of an information recording apparatus according to claim 6, wherein the elastic member is formed with a plurality of ribs that protrude from an end surface and extend radially from the center so as to straddle the hollow groove.


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