JP3233831B2 - Removable cover mounting structure - Google Patents
Removable cover mounting structureInfo
- Publication number
- JP3233831B2 JP3233831B2 JP23830395A JP23830395A JP3233831B2 JP 3233831 B2 JP3233831 B2 JP 3233831B2 JP 23830395 A JP23830395 A JP 23830395A JP 23830395 A JP23830395 A JP 23830395A JP 3233831 B2 JP3233831 B2 JP 3233831B2
- Authority
- JP
- Japan
- Prior art keywords
- oval
- cylindrical
- mounting structure
- bearing
- cover
- 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 - Fee Related
Links
Landscapes
- Casings For Electric Apparatus (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、着脱可能カバーの
装着構造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a detachable cover mounting structure.
【０００２】[0002]
【従来の技術】従来、合成樹脂製のカバー体を着脱可能
に本体部に装着する構造としては、図５に示すように、
カバー体３側にスリット９を切った軸受け部２を形成
し、本体部１側の軸部９０を弾発的に軸受け部２に嵌合
させるものが多用されている。2. Description of the Related Art Conventionally, as a structure in which a cover made of synthetic resin is detachably attached to a main body, as shown in FIG.
In many cases, a bearing portion 2 having a slit 9 is formed on the cover body 3 side, and a shaft portion 90 on the main body portion 1 is elastically fitted to the bearing portion 2.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上述した従来
例において、カバー体３の本体部１への脱着は軸受け部
２を弾性変形させた行われるために力を要し、操作性が
悪い上に、力加減によっては、軸受け部２や軸部９０を
破損してしまうという欠点を有する。However, in the above-mentioned prior art, the attachment and detachment of the cover body 3 to and from the main body portion 1 is performed by elastically deforming the bearing portion 2 and requires force, resulting in poor operability. In addition, there is a disadvantage that the bearing 2 and the shaft 90 are damaged depending on the force applied.
【０００４】また、軸受け部２はカバー体３の型割り方
向に対してアンダーカットとなるために、スライド型を
使用する必要が生じ、成形金型が複雑で高価になってし
まうという欠点をも有する。Further, since the bearing portion 2 is undercut in the direction in which the cover body 3 is divided, it is necessary to use a slide die, and the molding die becomes complicated and expensive. Have.
【０００５】本発明は、以上の欠点を解消すべくなされ
たものであって、構造が簡単で、かつ、脱着操作の容易
な着脱可能カバーの装着構造を提供することを目的とす
る。SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned drawbacks, and has as its object to provide a mounting structure of a detachable cover which has a simple structure and is easily removable.
【０００６】[0006]
【課題を解決するための手段】本発明によれば上記目的
は、本体部に設けられた軸受け部にカバー体の回動軸を
着脱自在に装着する着脱可能カバーの装着構造であっ
て、前記回動軸は円筒部と、該円筒部の自由端部で対向
側壁を切り落として平行平面とした小判形状部とで形成
されるとともに、該受け部には、小判形状部と円筒部と
が嵌合可能な凹溝が形成され、該凹溝は小判形状部に対
応する小判部受容凹部と円筒部に対応する円筒部受容凹
部とで形成されており、 該小判部受容凹部の開放端に
は、小判形状部の細幅部のみが挿通可能に開放された庇
部が形成されるとともに、該小判部受容凹部は下方に向
けて開放されてアンダーカットの発生が防止される着脱
可能カバーの装着構造を提供することにより達成され
る。According to the present invention, an object of the present invention is to provide a mounting structure for a detachable cover in which a rotating shaft of a cover body is detachably mounted on a bearing provided on a main body. rotation shaft is a cylindrical portion, while being formed in an oval portion which is a plane parallel to cut off opposite sidewalls at the free end of the cylindrical portion, the said receiving unit, it is fitting the oval portion and a cylindrical portion A matable groove is formed, and the groove matches the oval-shaped portion.
The corresponding oval receiving recess and the cylindrical receiving recess corresponding to the cylindrical portion
The oval portion receiving recess is formed at the open end thereof with an eaves portion that is opened so that only the narrow portion of the oval shape portion can be inserted thereinto, and the oval portion receiving recess is formed downward. This is achieved by providing a detachable cover mounting structure that is open toward the user and prevents the occurrence of undercut.
【０００７】カバー体３の装着は、小判形状部５が庇部
８の間隙を挿通可能な状態にカバー体３を保持した後、
回動軸４を軸受け部２の凹溝７に押し込み、カバー体３
を回動軸４周りに回動させることにより行われ、この状
態において、小判形状部５の曲率部５１は図１（ｂ）に
示すように、庇部８に干渉して脱離が防止される。[0007] The cover body 3 is mounted by holding the cover body 3 in a state where the oval-shaped part 5 can be inserted through the gap of the eaves part 8.
The rotating shaft 4 is pushed into the concave groove 7 of the bearing portion 2 and the cover 3
In this state, the curvature portion 51 of the oval-shaped portion 5 interferes with the eaves portion 8 and is prevented from being detached, as shown in FIG. You.
【０００８】本発明におけるカバー体３の装着作業は弾
発係止を伴わないために、操作性が非常に良好で、か
つ、カバー体３は小判形状部５が脱離可能位置になる姿
勢でのみ取り外し可能となるために、妄りにカバー体３
がはずれることがなく、さらに、小判形状部５の平行平
面５０の形成角度を適宜決定することにより、カバー体
３の抜け位置を任意に設定することが可能となる。In the present invention, since the mounting operation of the cover 3 does not involve elastic locking, the operability is very good, and the cover 3 is in a position where the oval-shaped portion 5 can be detached. Only the cover body 3 can be removed
In addition, by properly determining the angle at which the parallel plane 50 of the oval-shaped portion 5 is formed, it is possible to arbitrarily set the position where the cover body 3 comes off.
【０００９】[0009]
【発明の実施の形態】図２に本発明が適用された拡張ユ
ニット装置Ａを示す。この拡張ユニット装置は、ノート
型パソコン等、小型情報処理装置Ａの機能拡張を行うた
めに、図３に示すように、小型情報処理装置Ｂの背面部
に装着されて使用されるもので、本体部１と、本体部１
に着脱可能に装着されるカバー体３とから構成される。FIG. 2 shows an extension unit apparatus A to which the present invention is applied. As shown in FIG. 3, the extension unit device is mounted on the back of a small information processing device B to extend the functions of a small information processing device A such as a notebook personal computer. Part 1 and body part 1
And a cover body 3 detachably attached to the cover 3.
【００１０】本体部１は、増設メモリ、あるいは記憶ユ
ニット等の拡張ユニットを収容するユニット収容ブロッ
ク１０と、このユニット収容ブロック１０の側方、すな
わち、小型情報処理装置Ｂの幅方向に連接されるケーブ
ル支承ブロック１１とから構成される。また、ユニット
収容ブロック１０の正面壁面には図示しないコネクタ等
を配置した本体接続部１２が形成されており、該本体接
続部１２に小型情報処理装置Ｂの背面の接続コネクタ等
がプラグインされる。なお、図２において１３は小型情
報処理装置Ｂの後端部を支承する支承台を示す。The main unit 1 is connected to a unit housing block 10 for housing an expansion unit such as an additional memory or a storage unit, and to the side of the unit housing block 10, that is, in the width direction of the small information processing apparatus B. And a cable support block 11. A main body connection portion 12 having a connector or the like (not shown) is formed on a front wall surface of the unit housing block 10, and a connection connector or the like on the back surface of the small information processing apparatus B is plugged into the main body connection portion 12. . In FIG. 2, reference numeral 13 denotes a support for supporting the rear end of the small-sized information processing apparatus B.
【００１１】ケーブル支承ブロック１１は、小型情報処
理装置に直接接続されるケーブル類を支承するためにユ
ニット収容ブロック１０に比して低背に形成されてお
り、その端縁には軸受け部２が突設される。The cable supporting block 11 is formed to be shorter than the unit housing block 10 for supporting cables directly connected to the small-sized information processing apparatus. It is protruded.
【００１２】カバー体３は、垂直壁３０と水平壁３１と
を有して断面ほぼＬ字形状に形成され、垂直片３０の端
縁に回動軸４が、水平壁３１の端部には、ユニット収容
ブロック１０の端部に形成された係合凹部１４に弾発係
止可能な係止フック１５が各々形成される。The cover body 3 has a vertical wall 30 and a horizontal wall 31 and is formed in a substantially L-shaped cross section. The rotating shaft 4 is provided at the edge of the vertical piece 30 and at the end of the horizontal wall 31. A locking hook 15 that can be resiliently locked is formed in an engaging recess 14 formed at an end of the unit housing block 10.
【００１３】軸受け部２と回動軸４の詳細を図４に示
す。回動軸４は、円筒部６と、円筒体を一対の平行平面
５０で切り落として形成される小判形状部５とからな
り、該回転軸４回りの垂直壁３０には、後述する軸受け
部２との干渉を防止するために軸収納切欠３２が形成さ
れる。FIG. 4 shows details of the bearing portion 2 and the rotating shaft 4. The rotating shaft 4 includes a cylindrical portion 6 and an oval-shaped portion 5 formed by cutting off the cylindrical body with a pair of parallel planes 50. A vertical wall 30 around the rotating shaft 4 has a bearing portion 2 to be described later. A shaft housing notch 32 is formed to prevent interference with the shaft.
【００１４】軸受け部２は、ケーブル支承ブロック１１
の端縁に膨隆され、円筒部受容凹部２０と、小判部受容
凹部２１とからなる。これら円筒部受容凹部２０と小判
部受容凹部２１はともに、上記回動軸４の円筒部６の径
よりやや大径の半円断面形状の底壁を有しており、平面
状の側壁を経て上方に開放される。The bearing part 2 includes a cable support block 11
, And comprises a cylindrical receiving recess 20 and an oval receiving recess 21. Both the cylindrical portion receiving concave portion 20 and the oval portion receiving concave portion 21 have a bottom wall having a semicircular cross-sectional shape slightly larger in diameter than the diameter of the cylindrical portion 6 of the rotating shaft 4, and pass through a planar side wall. Opened upward.
【００１５】一方、小判部受容凹部２１の側壁には庇部
８が中心に向かって突設される。庇部８は、底壁の曲率
に沿って一旦中心部に向かった後、平面状の側壁を経て
上方に開放される形状をなしており、開放端の幅方向寸
法Ｗは、小判形状部５の平面間の間隔Ｄよりやや広く、
かつ、曲率部５１の径、すなわち円筒部６の径より小寸
とされている。なお、小判部受容凹部２１は、成型時の
アンダーカットを防止するために、図４（ｂ）に示すよ
うに、下方に向けて開放しておくのが望ましく、このよ
うにすることにより、上下割り型での成型が可能にな
る。On the other hand, on the side wall of the oval receiving recess 21, an eave portion 8 is protruded toward the center. The eaves portion 8 has a shape that once goes to the center along the curvature of the bottom wall, and then is opened upward through the planar side wall. Slightly larger than the distance D between the planes of
Further, the diameter is smaller than the diameter of the curvature portion 51, that is, the diameter of the cylindrical portion 6. The oval receiving recess 21 is preferably opened downward as shown in FIG. 4B in order to prevent an undercut during molding. Molding with split molds becomes possible.
【００１６】したがってこの実施例において、先ず、図
１（ａ）、および図４に示すように、カバー体３を小判
形状部５の平行平面５０、５０が軸受け部２の庇部８の
間隙を通過する姿勢にした後、回動軸４を軸受け部２に
落とし込む。この後、カバー体３を回動させると、図１
（ｂ）に示すように、小判形状部５の曲率部５１が庇部
８に干渉し、抜け止めが図られる。Therefore, in this embodiment, first, as shown in FIG. 1A and FIG. 4, the cover body 3 is formed such that the parallel planes 50, 50 of the oval-shaped portion 5 form a gap between the eaves 8 of the bearing portion 2. After the posture to pass, the rotating shaft 4 is dropped into the bearing portion 2. Thereafter, when the cover body 3 is rotated, FIG.
As shown in (b), the curvature portion 51 of the oval-shaped portion 5 interferes with the eaves portion 8 to prevent the oval portion 8 from coming off.
【００１７】[0017]
【発明の効果】以上の説明から明らかなように、本発明
によれば、回動軸、あるいは軸受け部を弾性変形させる
ことなくカバー体を着脱自在に装着することができるた
めに、操作性を良好にすることができる。As is clear from the above description, according to the present invention, the cover can be detachably mounted without elastically deforming the rotating shaft or the bearing, so that the operability is improved. Can be good.
【図１】本発明の示す図で、（ａ）はカバー体の装着前
の状態を示す要部断面図、（ｂ）は装着後の断面図であ
る。FIG. 1 is a view showing the present invention, in which (a) is a sectional view of a main part showing a state before a cover body is attached, and (b) is a sectional view after attachment.
【図２】拡張ユニット装置を示す図である。FIG. 2 is a diagram showing an extension unit device.
【図３】拡張ユニット装置の使用状態を示す図である。FIG. 3 is a diagram illustrating a use state of the extension unit device.
【図４】図１の要部を示す図で、（ａ）は図１（ａ）の
Ａ−Ａ線断面図、（ｂ）は図４（ａ）のＢ−Ｂ線断面
図、（ｃ）は図４（ａ）のＣ−Ｃ線断面図である。FIGS. 4A and 4B are cross-sectional views taken along the line AA of FIG. 1A, FIG. 4B is a cross-sectional view taken along the line BB of FIG. 4) is a sectional view taken along line CC of FIG.
【図５】従来例を示す図で、（ａ）は軸部の装着前の状
態を示す断面図、（ｂ）は装着状態を示す断面図であ
る。5A and 5B are views showing a conventional example, in which FIG. 5A is a cross-sectional view showing a state before mounting a shaft portion, and FIG. 5B is a cross-sectional view showing a mounted state.
１ 本体部 ２ 軸受け部 ３ カバー体 ４ 回動軸 ５ 小判形状部 ５０ 平行平面 ６ 円筒部 ７ 凹溝 ８ 庇部 DESCRIPTION OF SYMBOLS 1 Main body part 2 Bearing part 3 Cover body 4 Rotating shaft 5 Oval-shaped part 50 Parallel plane 6 Cylindrical part 7 Groove 8 Eave part
Claims (1)
回転軸を着脱自在に装着する着脱可能カバーの装着構造
であって、 前記回動軸は円筒部と、該円筒部の自由端部で対向側壁
を切り落として平行平面とした小判形状部とで形成され
るとともに、 軸受け部には、小判形状部と円筒部とが嵌合可能な凹溝
が形成され、該凹溝は小判形状部に対応する小判部受容
凹部と円筒部に対応する円筒部受容凹部とで形成されて
おり、 該小判部受容凹部の 開放端には、小判形状部の細幅部の
みが挿通可能に開放された庇部が形成されるとともに、
該小判部受容凹部は下方に向けて開放されてアンダーカ
ットの発生が防止される着脱可能カバーの装着構造。1. A detachable cover mounting structure for removably mounting a rotation shaft of a cover body on a bearing portion provided on a main body, wherein the rotation shaft is a cylindrical portion and a free end of the cylindrical portion . together are formed in parallel planes by cutting off the opposite side walls was the oval portion in parts, the bearing part, and the oval portion and a cylindrical portion fittable groove is formed, the concave groove is oval Oval reception corresponding to the part
Formed by a concave part and a cylindrical part receiving concave part corresponding to the cylindrical part
In addition, at the open end of the oval receiving recess, an eave portion that is opened so that only the narrow portion of the oval shape portion can be inserted is formed,
A mounting structure for a detachable cover in which the oval receiving recess is opened downward to prevent the occurrence of undercut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23830395A JP3233831B2 (en) | 1995-09-18 | 1995-09-18 | Removable cover mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23830395A JP3233831B2 (en) | 1995-09-18 | 1995-09-18 | Removable cover mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0981270A JPH0981270A (en) | 1997-03-28 |
| JP3233831B2 true JP3233831B2 (en) | 2001-12-04 |
Family
ID=17028206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23830395A Expired - Fee Related JP3233831B2 (en) | 1995-09-18 | 1995-09-18 | Removable cover mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3233831B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3931784B2 (en) * | 2002-10-04 | 2007-06-20 | 松下電工株式会社 | Electronics |
| JP4561196B2 (en) * | 2004-06-25 | 2010-10-13 | 富士電機システムズ株式会社 | Inverter device |
| DE102007062735B3 (en) * | 2007-12-27 | 2009-07-09 | Heiser, Wolfgang, Dr. med. habi. | Self-ligating orthodontic bracket |
| JP5350005B2 (en) * | 2009-02-24 | 2013-11-27 | 株式会社沖データ | Open / close cover lock mechanism and image forming apparatus having the same |
| JP5720417B2 (en) * | 2011-05-20 | 2015-05-20 | 株式会社島津製作所 | Lid support device |
| JP2014030024A (en) * | 2013-08-22 | 2014-02-13 | Oki Data Corp | Opening/closing cover lock mechanism and image forming apparatus including the same |
| KR102390573B1 (en) * | 2020-12-18 | 2022-04-25 | 엘에스일렉트릭(주) | Electronic apparatus equipped with electronic control devices |
-
1995
- 1995-09-18 JP JP23830395A patent/JP3233831B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0981270A (en) | 1997-03-28 |
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