JP4558439B2 - Small electronic equipment - Google Patents
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- JP4558439B2 JP4558439B2 JP2004299606A JP2004299606A JP4558439B2 JP 4558439 B2 JP4558439 B2 JP 4558439B2 JP 2004299606 A JP2004299606 A JP 2004299606A JP 2004299606 A JP2004299606 A JP 2004299606A JP 4558439 B2 JP4558439 B2 JP 4558439B2
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Description
本発明は、外部接続端子を保護するためのキャップを係脱自在に具えた携帯電話機や携帯情報端末機等の小型電子機器に関するものである。 The present invention relates to a small electronic device such as a mobile phone or a portable information terminal having a cap for protecting an external connection terminal.
従来の携帯電話機においては、例えば図９に示す如く、筐体(４)の下端部に開設された開口部(41)から外部接続端子(42)が露出しており、該開口部(41)にコネクタを嵌入せしめて、外部接続端子(41)にコネクタの先端部を係合せしめることにより、携帯電話機に充電器や外部アンテナの他、パーソナルコンピュータを接続して、相互のデータ通信を行なうことが出来る様になっている。又、開口部(41)には、該開口部(41)を閉塞して外部接続端子(42)を保護するためのキャップ(３)が係脱可能に取り付けられている。 In the conventional mobile phone, for example, as shown in FIG. 9, the external connection terminal (42) is exposed from the opening (41) opened at the lower end of the housing (4), and the opening (41) By connecting the connector to the external connection terminal (41) and engaging the tip of the connector with the external connection terminal (41), a personal computer can be connected to the mobile phone in addition to a charger and an external antenna to perform mutual data communication. Can be done. A cap (3) for closing the opening (41) and protecting the external connection terminal (42) is detachably attached to the opening (41).
キャップ(３)は弾性材からなり、図１０に示す如く、前記開口部(41)を閉塞するカバー部(31)と、カバー部(31)の裏面に突設された舌片(32)とを具え、舌片(32)の両側縁には一対のフック部(33)(33)が形成されている。一方、図９に示す筐体(４)の開口部(41)の奥方には一対のピン(図示省略)が突設されている。
キャップ(３)の舌片(32)を前記開口部(41)に挿入すると、一対のフック部(33)(33)が前記一対のピンにそれぞれ当接して内側に屈曲変形し、舌片(32)が前記一対のピンの間を通過する。その後、一対のフック部(33)(33)が弾性復帰して、前記一対のピンと互いに係合する。この結果、キャップ(３)は筐体(４)に取り付けられて、開口部(41)を閉塞する。
上記携帯電話機をパーソナルコンピュータと接続する際には、キャップ(３)を筐体(４)から取り外し、開口部(41)から外部接続端子(42)を露出させる(特許文献１参照)。
The cap (3) is made of an elastic material, and as shown in FIG. 10, a cover part (31) for closing the opening part (41), and a tongue piece (32) protruding from the back surface of the cover part (31). And a pair of hook portions (33), (33) are formed on both side edges of the tongue piece (32). On the other hand, a pair of pins (not shown) project from the back of the opening (41) of the housing (4) shown in FIG.
When the tongue piece (32) of the cap (3) is inserted into the opening (41), the pair of hook portions (33), (33) are brought into contact with the pair of pins and bent inward to form the tongue piece ( 32) passes between the pair of pins. Thereafter, the pair of hook portions (33) and (33) are elastically restored to engage with the pair of pins. As a result, the cap (3) is attached to the housing (4) and closes the opening (41).
When connecting the mobile phone to a personal computer, the cap (3) is removed from the housing (4), and the external connection terminal (42) is exposed from the opening (41) (see Patent Document 1).
しかしながら、上記携帯電話機においては、筐体(４)から取り外したキャップ(３)は筐体(４)と切り離されてしまうため、キャップ(３)を紛失してしまう虞があった。
この問題を解決するため、キャップを筐体に連結したまま、開口部から外部接続端子を露出させることが出来る携帯電話機が提案されている。
However, in the above mobile phone, the cap (3) removed from the housing (4) is separated from the housing (4), and thus the cap (3) may be lost.
In order to solve this problem, there has been proposed a mobile phone capable of exposing the external connection terminal from the opening while the cap is connected to the housing.
該携帯電話機においては、図１１に示す如く、筐体(６)の下端部に開設された開口部(61)から外部接続端子(62)が露出しており、開口部(61)の左方にはキャップ(５)を取り付けるための取付孔(63)が開設されている。
キャップ(５)は弾性材からなり、図１２に示す如く、開口部(61)を閉塞するカバー部(51)と、カバー部(51)の左端から左方へ伸びる連結部(52)と、連結部(52)の裏面に突設された軸部(53)と、軸部(53)の先端からカバー部(51)に沿って伸びる矩形状の抜け止め部(54)とを具えている。キャップ(５)の連結部(52)は、カバー部(51)に比べて薄肉に形成され、キャップ(５)のカバー部(51)の下面には、開口部(61)の内周縁と係合する２つの突片(55)(55)が形成されている。
キャップ(５)の抜け止め部(54)は、軸部(53)から左方に伸びる長さより、右方に伸びる長さの方が長く形成されており、キャップ(５)を筐体(６)に取り付ける際には、先ず、抜け止め部(54)の右側を取付孔(63)に挿入し、その後、抜け止め部(54)の左側を弾性変形させながら取付孔(63)に挿入する。この結果、キャップ(５)の抜け止め部(54)と筐体(６)の取付孔(63)とが互いに係合し、キャップ(５)が筐体(６)に取り付けられる。
In the cellular phone, as shown in FIG. 11, the external connection terminal (62) is exposed from the opening (61) opened at the lower end of the housing (6), and the left side of the opening (61). Has a mounting hole (63) for mounting the cap (5).
The cap (5) is made of an elastic material, and as shown in FIG. 12, a cover part (51) for closing the opening part (61), a connecting part (52) extending from the left end of the cover part (51) to the left, A shaft portion (53) projecting from the back surface of the connecting portion (52) and a rectangular retaining portion (54) extending from the tip of the shaft portion (53) along the cover portion (51) are provided. . The connection part (52) of the cap (5) is formed thinner than the cover part (51), and the lower surface of the cover part (51) of the cap (5) is connected to the inner peripheral edge of the opening part (61). Two projecting pieces (55) and (55) are formed.
The retaining portion (54) of the cap (5) is formed so that the length extending rightward is longer than the length extending leftward from the shaft portion (53). First, the right side of the retaining part (54) is inserted into the mounting hole (63), and then the left side of the retaining part (54) is inserted into the mounting hole (63) while being elastically deformed. . As a result, the retaining portion (54) of the cap (5) and the mounting hole (63) of the housing (6) are engaged with each other, and the cap (5) is attached to the housing (6).
上記携帯電話機においては、外部接続端子(62)にパーソナルコンピュータを接続する際、キャップ(５)のカバー部(51)を手前側に引いて、キャップ(５)の連結部(52)を屈曲させてカバー部(51)を９０°以上の開き角度まで開くことによって、キャップ(５)を筐体(６)に連結したまま開口部(61)を露出させることが出来る。
しかしながら、図１１に示す上記従来の携帯電話機においては、キャップ(５)の取り付け状態でのキャップ(５)の抜け止め部(54)と筐体(６)の裏面との対向面積を大きくすると、キャップ(５)が筐体(６)から外れ難くなる反面、キャップ(５)の係脱が困難となり、逆にキャップ(５)の抜け止め部(54)と筐体(６)の裏面との対向面積を小さくすると、キャップ(５)の係脱は容易になる反面、キャップ(５)が筐体(６)から外れ易くなるという相反する問題があった。
そこで、本発明の目的は、キャップが外れ難く且つ取り付け及び取り外しが容易な小型電子機器を提供することである。
However, in the conventional mobile phone shown in FIG. 11, when the facing area between the retaining portion (54) of the cap (5) and the back surface of the housing (6) when the cap (5) is attached is increased. While the cap (5) is difficult to come off from the housing (6), it is difficult to disengage the cap (5), and conversely, the retaining portion (54) of the cap (5) is opposed to the back surface of the housing (6). When the area is reduced, the cap (5) can be easily detached, but there is a conflicting problem that the cap (5) is easily detached from the housing (6).
Accordingly, an object of the present invention is to provide a small electronic device in which a cap is difficult to remove and easy to attach and remove.
本発明に係る小型電子機器は、開口部(11)が開設された筐体(１)と、該筐体(１)の開口部(11)から露出する外部接続端子(12)と、前記開口部(11)を閉塞するための合成樹脂製のキャップ(２)とを具え、該キャップ(２)は、前記筐体(１)の開口部(11)近傍に開設された取付孔(13)に係脱可能に係合して、前記筐体(１)に取り付けられている。
前記キャップ(２)は、前記筐体(１)の開口部(11)を筐体(１)の表面側から閉塞するカバー部(21)を有する本体部と、該本体部の裏面の端部に突設されて前記取付孔(13)を貫通する軸部(24)と、該軸部(24)の先端に該軸部(24)と交叉する方向に突設されて前記筐体(１)の裏面に摺接可能な抜け止め部(25)とを有して、前記軸部(24)を中心として、前記カバー部(21)が前記開口部(11)を閉塞した第１回動姿勢と前記カバー部(21)が前記開口部(11)を開口させた第２回動姿勢との間で回動が可能であり、
前記取付孔(13)は１軸方向に長い長孔であって、前記抜け止め部(25)は、該長孔の形状に応じて１軸方向に長い形状を呈し、前記第２回動姿勢にて前記抜け止め部(25)の長手方向と前記長孔の長手方向とが一致し、
前記抜け止め部(25)の長手方向の長さＬ１は、前記取付孔(13)の長手方向の長さａ１よりも大きく形成されると共に、抜け止め部(25)の長手方向と直交する方向の長さＬ２は、取付孔(13)の長手方向と直交する方向の長さａ２よりも小さく形成され、且つ、抜け止め部(25)の長手方向の長さＬ１は、取付孔(13)の長手方向と直交する方向の長さａ２より大きく形成されており、
前記抜け止め部(25)は、前記第１回動姿勢にて前記筐体(１)の裏面と大なる対向面積で重なり、且つ前記第２回動姿勢にて前記筐体(１)の裏面と小なる対向面積で重なる形状を有していることを特徴としている。
A small electronic device according to the present invention includes a housing (1) having an opening (11), an external connection terminal (12) exposed from the opening (11) of the housing (1), and the opening. A cap (2) made of synthetic resin for closing the portion (11), and the cap (2) is provided in the mounting hole (13) opened in the vicinity of the opening (11) of the casing (1). And is removably engaged with the casing (1).
The cap (2) includes a body portion having a cover portion (21) for closing the opening (11) of the housing (1) from the front surface side of the housing (1), and an end portion on the back surface of the body portion A shaft portion (24) projecting from the mounting hole (13) and projecting in a direction crossing the shaft portion (24) at the tip of the shaft portion (24). ) And a retaining portion (25) that can be slidably contacted with the back surface, and the cover portion (21) closes the opening portion (11) around the shaft portion (24). It is possible to turn between the posture and the second turning posture in which the cover (21) opens the opening (11),
The mounting hole (13) is a long hole that is long in one axial direction, and the retaining portion (25) has a long shape in one axial direction according to the shape of the long hole, and the second turning posture. The longitudinal direction of the retaining portion (25) and the longitudinal direction of the elongated hole coincide,
A length L1 in the longitudinal direction of the retaining portion (25) is formed larger than a length a1 in the longitudinal direction of the mounting hole (13), and is a direction orthogonal to the longitudinal direction of the retaining portion (25). The length L2 of the mounting hole (13) is smaller than the length a2 in the direction orthogonal to the longitudinal direction of the mounting hole (13), and the length L1 of the retaining portion (25) in the longitudinal direction is the mounting hole (13). Are formed larger than the length a2 in the direction orthogonal to the longitudinal direction of
The retaining portion (25) overlaps with the back surface of the housing (1) in a large opposing area in the first rotation posture, and the back surface of the housing (1) in the second rotation posture. It has a feature of overlapping with a small facing area.
上記本発明の小型電子機器において、キャップ(２)を取り付ける際は、先ず、前記第２回動姿勢にて、キャップ(２)の抜け止め部(25)を弾性変形させながら筐体(１)の取付孔(13)に挿入する。該第２回動姿勢において、キャップ(２)の抜け止め部(25)は、筐体(１)の裏面と小なる対向面積で重なる形状を有しているので、取付孔(13)に挿入するために必要な抜け止め部(25)の弾性変形量は小さなものとなる。この様に、抜け止め部(25)を大きく弾性変形させることなく筐体(１)の取付孔(13)に挿入することが出来るので、キャップ(２)の取り付けは容易である。その後、キャップ(２)の軸部(24)を中心として、キャップ(２)を前記第１回動姿勢まで回動させ、キャップ(２)の取り付けを完了する。 In attaching the cap (2) to the small electronic device of the present invention, first, the casing (1) is elastically deformed in the second rotation posture while elastically deforming the retaining portion (25) of the cap (2). Insert into the mounting hole (13). In the second turning posture, the retaining portion (25) of the cap (2) has a shape that overlaps with the rear surface of the housing (1) with a small facing area, so that it is inserted into the mounting hole (13). The amount of elastic deformation of the retaining portion (25) necessary for this is small. As described above, the cap (2) can be easily attached because the retaining portion (25) can be inserted into the mounting hole (13) of the housing (1) without being greatly elastically deformed. Thereafter, the cap (2) is rotated to the first rotation posture around the shaft (24) of the cap (2), and the attachment of the cap (2) is completed.
通常、キャップ(２)は前記第１回動姿勢にてカバー部(21)が筐体(１)の開口部(11)を閉塞する。この状態で、キャップ(２)に取り外し方向に大きな力が作用したとしても、キャップ(２)の抜け止め部(25)は筐体(１)の裏面と大なる対向面積で重なっているので、弾性変形に対して大きな抗力を発揮する。従って、キャップ(２)の抜け止め部(25)を大きく弾性変形せしめる過大な力がキャップ(２)に作用しない限り、キャップ(２)の抜け止め部(25)が取付孔(13)から外れることはない。 Usually, in the cap (2), the cover (21) closes the opening (11) of the housing (1) in the first rotation posture. In this state, even if a large force acts on the cap (2) in the removal direction, the retaining portion (25) of the cap (2) overlaps with the back surface of the housing (1) with a large facing area. Demonstrates great resistance against elastic deformation. Therefore, the retaining portion (25) of the cap (2) is disengaged from the mounting hole (13) unless an excessive force that greatly deforms the retaining portion (25) of the cap (2) acts on the cap (2). There is nothing.
例えばパーソナルコンピュータとの接続のため、外部接続端子(12)にコネクタを連結する場合には、キャップ(２)の軸部(24)を中心として、キャップ(２)を前記第２回動姿勢まで回動させる。この状態において、キャップ(２)の抜け止め部(25)は、筐体(１)の裏面と小なる対向面積で重なっているので、キャップ(２)に取り外し方向にある程度の力が作用したとしても、キャップ(２)の抜け止め部(25)は弾性変形に対してある程度の抗力を発揮する。従って、キャップ(２)の抜け止め部(25)が取付孔(13)から外れてしまうことはなく、キャップ(２)を筐体(１)に連結したまま、外部接続端子(12)を露出させることが出来る。これによって、キャップ(２)の紛失を防止することが出来る。 For example, when connecting a connector to the external connection terminal (12) for connection to a personal computer, the cap (2) is moved to the second rotation position around the shaft (24) of the cap (2). Rotate. In this state, since the retaining portion (25) of the cap (2) overlaps with the back surface of the housing (1) with a small facing area, a certain amount of force acts on the cap (2) in the removal direction. However, the retaining portion (25) of the cap (2) exhibits a certain degree of resistance against elastic deformation. Therefore, the retaining portion (25) of the cap (2) is not detached from the mounting hole (13), and the external connection terminal (12) is exposed while the cap (2) is connected to the housing (1). It can be made. This can prevent the cap (2) from being lost.
具体的構成において、前記抜け止め部(25)の裏面には、その長手方向の中心位置から長手方向に沿う何れかの一方向に偏寄した位置に、前記軸部(24)の先端が繋がっている。 In a specific configuration, the tip of the shaft portion (24) is connected to the back surface of the retaining portion (25) at a position offset in any one direction along the longitudinal direction from the center position in the longitudinal direction. ing.
該具体的構成によれば、キャップ(２)の抜け止め部(25)の長手方向における一方の端部とキャップ(２)の軸部(24)との距離は、他方の端部と該軸部(24)との距離より長くなる。従って、キャップ(２)の抜け止め部(25)の長手方向と取付孔(13)の長手方向とを一致させ、更に、抜け止め部(25)の前記軸部(24)からの距離が長い方の端部から取付孔(13)に挿入し、その後、抜け止め部(25)の他方の端部を弾性変形させながら取付孔(13)に挿入することによって、キャップ(２)を取付孔(13)に取り付けることが出来る。逆に、抜け止め部(25)の前記軸部(24)からの距離が短い方の端部を弾性変形させながら取付孔(13)から取り出して、その後、長い方の端部を取付孔(13)から取り出すことによって、キャップ(２)を取付孔(13)から取り外すことが出来る。
上記取り付け及び取り外し作業によれば、抜け止め部(25)を取付孔(13)に挿入し、或いは取付孔(13)から取り出すために必要な抜け止め部(25)の弾性変形量を更に小さくすることが出来るので、キャップ(２)の取り付け及び取り外し作業をより簡単に行なうことが出来る。
According to the specific configuration, the distance between the one end in the longitudinal direction of the stopper (25) of the cap (2) and the shaft (24) of the cap (2) is the same as the distance between the other end and the shaft. It becomes longer than the distance with the part (24). Accordingly, the longitudinal direction of the retaining portion (25) of the cap (2) is aligned with the longitudinal direction of the mounting hole (13), and the distance of the retaining portion (25) from the shaft portion (24) is long. The cap (2) is inserted into the mounting hole (13) by inserting into the mounting hole (13) from the other end and then inserting into the mounting hole (13) while elastically deforming the other end of the retaining portion (25). Can be attached to (13). Conversely, the end of the retaining portion (25) having the shorter distance from the shaft portion (24) is taken out from the mounting hole (13) while elastically deforming, and then the longer end is mounted on the mounting hole ( By removing from 13), the cap (2) can be removed from the mounting hole (13).
According to the above installation and removal operations, the amount of elastic deformation of the retaining portion (25) required for inserting the retaining portion (25) into the mounting hole (13) or taking it out from the mounting hole (13) is further reduced. Therefore, it is possible to more easily attach and remove the cap (2).
又、具体的構成において、前記キャップ(２)のカバー部(21)の外周縁には、前記第１回動姿勢にて前記開口部(11)の内周縁と係脱可能な少なくとも１つの突片(26)が形成されている。
該具体的構成によれば、前記第１回動姿勢において、キャップ(２)のカバー部(21)は、開口部(11)を閉塞した状態に確実に保持されることになる。
In a specific configuration, at least one protrusion that can be engaged with and disengaged from the inner peripheral edge of the opening (11) in the first rotation posture is provided on the outer peripheral edge of the cover (21) of the cap (2). A piece (26) is formed.
According to the specific configuration, in the first rotation posture, the cover portion (21) of the cap (2) is reliably held in a state where the opening portion (11) is closed.
本発明の小型電子機器によれば、キャップが外れ難く且つ取り付け及び取り外しが容易となる。 According to the small electronic device of the present invention, it is difficult to remove the cap, and attachment and removal are easy.
以下、本発明を携帯電話機に実施した形態につき、図面に沿って具体的に説明する。
本発明に係る携帯電話機は、図１に示す如く、表面に複数の操作キー(15)が配設された筐体(１)と、筐体(１)の下端部に開設された矩形の開口部(11)と、開口部(11)から露出する外部接続端子(12)と、開口部(11)を閉塞する合成樹脂製のキャップ(２)とを具え、キャップ(２)は、筐体(１)の開口部(11)の左方近傍に開設された取付孔(13)に係脱可能に係合して、筐体(１)に取り付けられる。該取付孔(13)は、操作キー(15)が配設された筐体(１)の表面に垂直な方向に長辺を有し、該筐体(１)の表面に平行な方向に短辺を有する縦長の長孔となっている。
Hereinafter, embodiments of the present invention in a mobile phone will be described in detail with reference to the drawings.
As shown in FIG. 1, a mobile phone according to the present invention includes a casing (1) having a plurality of operation keys (15) disposed on a surface thereof, and a rectangular opening formed at a lower end of the casing (1). Part (11), an external connection terminal (12) exposed from the opening (11), and a synthetic resin cap (2) that closes the opening (11). The cap (2) is a housing. It is removably engaged with a mounting hole (13) opened near the left side of the opening (11) of (1) and attached to the housing (1). The mounting hole (13) has a long side in a direction perpendicular to the surface of the casing (1) in which the operation key (15) is disposed, and is short in a direction parallel to the surface of the casing (1). It is a vertically long slot having a side.
図２乃至図４に示す如く、キャップ(２)は、前記開口部(11)を閉塞するカバー部(21)と、カバー部(21)の裏面に突設された舌片(22)と、カバー部(21)よりも薄肉に形成されてカバー部(21)の左端から左方へ伸びる連結部(23)と、連結部(23)の裏面の左端に突設された軸部(24)と、軸部(24)の先端からカバー部(21)に沿って伸びる平板状の抜け止め部(25)とを具えている。カバー部(21)の外周面には、複数の突片(26)(26)(26)が突設されており、カバー部(21)の上面中央部には、凹部(27)が形成されている。 As shown in FIGS. 2 to 4, the cap (2) includes a cover portion (21) for closing the opening (11), a tongue piece (22) protruding from the back surface of the cover portion (21), A connecting part (23) formed to be thinner than the cover part (21) and extending leftward from the left end of the cover part (21), and a shaft part (24) protruding from the left end of the back surface of the connecting part (23) And a flat plate-like retaining part (25) extending from the tip of the shaft part (24) along the cover part (21). A plurality of projecting pieces (26), (26), and (26) project from the outer peripheral surface of the cover portion (21), and a concave portion (27) is formed at the center of the upper surface of the cover portion (21). ing.
キャップ(２)が筐体(１)の開口を閉塞した状態において、キャップ(２)の抜け止め部(25)は、前記筐体(１)の表面に垂直な方向に短辺を有し、該筐体(１)の表面に平行な方向に長辺を有する横長の形状を呈している。抜け止め部(25)の長辺の長さＬ１は、前記取付孔(13)の長辺の長さａ１より僅かに大きく形成されている。又、抜け止め部(25)の短辺の長さＬ２は、前記取付孔(13)の短辺の長さａ２より僅かに小さく形成されている。更に、図３に示す如く、キャップ(２)のカバー部(21)側へ伸びる抜け止め部(25)の一端と軸部(24)との距離Ｌ３は、反対側へ伸びる抜け止め部(25)の他端と軸部(24)との距離Ｌ４より大きく形成されている。 In a state where the cap (2) closes the opening of the housing (1), the retaining portion (25) of the cap (2) has a short side in a direction perpendicular to the surface of the housing (1), It has a horizontally long shape having long sides in a direction parallel to the surface of the housing (1). The long side length L1 of the retaining portion (25) is slightly larger than the long side length a1 of the mounting hole (13). The length L2 of the short side of the retaining portion (25) is slightly smaller than the length a2 of the short side of the mounting hole (13). Furthermore, as shown in FIG. 3, the distance L3 between one end of the retaining portion (25) extending to the cover portion (21) side of the cap (2) and the shaft portion (24) is the retaining portion (25 ) And the shaft portion (24) is formed larger than the distance L4.
図５及び図６は、キャップ(２)のカバー部(21)が筐体(１)の開口部(11)を閉塞した状態を示しており、この状態で、前記キャップ(２)の外周面に突設した複数の突片(26)(26)(26)は、開口部(11)の内周縁と係合している。
図６に示す如く、キャップ(２)は、キャップ(２)の抜け止め部(25)の長辺方向と取付孔(13)の短辺方向とが一致すると共に、キャップ(２)の抜け止め部(25)の短辺方向と取付孔(13)の長辺方向とが一致する第１回動姿勢にて、筐体(１)に取り付けられている。ここで、キャップ(２)の抜け止め部(25)の長辺の長さＬ１は、取付孔(13)の短辺の長さａ２より大きく形成されているので、キャップ(２)の抜け止め部(25)は、筐体(１)の裏面と大なる対向面積で重なることになる。
5 and 6 show a state in which the cover portion (21) of the cap (2) closes the opening (11) of the housing (1), and in this state, the outer peripheral surface of the cap (2). The plurality of projecting pieces (26), (26), and (26) projecting from the inner surface engage with the inner peripheral edge of the opening (11).
As shown in FIG. 6, the cap (2) has the long side direction of the retaining part (25) of the cap (2) and the short side direction of the mounting hole (13), and the cap (2) is prevented from coming off. It is attached to the housing (1) in a first turning posture in which the short side direction of the portion (25) and the long side direction of the attachment hole (13) coincide. Here, since the length L1 of the long side of the retaining portion (25) of the cap (2) is larger than the length a2 of the short side of the mounting hole (13), the cap (2) is prevented from coming off. The part (25) overlaps the back surface of the housing (1) with a large facing area.
この状態で、キャップ(２)に取り外し方向に大きな力が作用したとしても、キャップ(２)の抜け止め部(25)は筐体(１)の裏面と大なる対向面積で重なっているので、弾性変形に対して大きな抗力を発揮する。従って、キャップ(２)の抜け止め部(25)を大きく弾性変形せしめる過大な力がキャップ(２)に作用しない限り、キャップ(２)の抜け止め部(25)が取付孔(13)から外れることはない。 In this state, even if a large force acts on the cap (2) in the removal direction, the retaining portion (25) of the cap (2) overlaps with the back surface of the housing (1) with a large facing area. Demonstrates great resistance against elastic deformation. Therefore, the retaining portion (25) of the cap (2) is disengaged from the mounting hole (13) unless an excessive force that greatly deforms the retaining portion (25) of the cap (2) acts on the cap (2). There is nothing.
例えばパーソナルコンピュータとの接続のため、外部接続端子(12)にコネクタを連結する場合には、キャップ(２)を上記第１回動姿勢から時計方向に９０度回転させる。
図７及び図８は、キャップ(２)を上記第１回動姿勢から時計方向に９０度回転させた状態、即ち第２回動姿勢を示しており、該第２回動姿勢にて、筐体(１)の開口部(11)から外部接続端子(12)の全体が露出する。
この状態において、図８に示す如く、キャップ(２)の抜け止め部(25)の長辺方向と取付孔(13)の長辺方向とが一致すると共に、キャップ(２)の抜け止め部(25)の短辺方向と取付孔(13)の短辺方向とが一致している。ここで、キャップ(２)の抜け止め部(25)の長辺の長さＬ１は、取付孔(13)の長辺の長さａ１より大きく形成されているので、キャップ(２)の抜け止め部(25)は筐体(１)の裏面と小なる対向面積で重なることになり、キャップ(２)に取り外し方向にある程度の力が作用したとしても、キャップ(２)の抜け止め部(25)は弾性変形に対してある程度の抗力を発揮する。従って、キャップ(２)の抜け止め部(25)が取付孔(13)から外れてしまうことはなく、キャップ(２)を筐体(１)に連結したまま、外部接続端子(12)を露出させることが出来る。これによって、キャップ(２)の紛失を防止することが出来る。
For example, when connecting the connector to the external connection terminal (12) for connection to a personal computer, the cap (2) is rotated 90 degrees clockwise from the first rotation posture.
7 and 8 show a state in which the cap (2) is rotated 90 degrees clockwise from the first rotation posture, that is, the second rotation posture. The entire external connection terminal (12) is exposed from the opening (11) of the body (1).
In this state, as shown in FIG. 8, the long side direction of the retaining portion (25) of the cap (2) and the long side direction of the mounting hole (13) coincide with each other, and the retaining portion ( The short side direction of 25) coincides with the short side direction of the mounting hole (13). Here, since the length L1 of the long side of the retaining portion (25) of the cap (2) is formed larger than the length a1 of the long side of the mounting hole (13), the cap (2) is prevented from coming off. The portion (25) overlaps the back surface of the housing (1) with a small facing area, and even if a certain amount of force acts on the cap (2) in the removal direction, the cap (2) retaining portion (25 ) Exhibits some resistance against elastic deformation. Therefore, the retaining portion (25) of the cap (2) is not detached from the mounting hole (13), and the external connection terminal (12) is exposed while the cap (2) is connected to the housing (1). It can be made. This can prevent the cap (2) from being lost.
尚、図５に示す前記第１回動姿勢にて、キャップ(２)のカバー部(21)の上面に設けた凹部(27)に指を掛けて手前に引いてカバー部(21)を９０°以上の開き角度まで開くことによって、従来の携帯電話機と同様に筐体(１)の開口部(11)から外部接続端子(12)を露出させることも可能である。
この際、カバー部(21)より薄肉に形成された連結部(23)が容易に弾性変形して、カバー部(21)が開くことになる。
In the first turning posture shown in FIG. 5, a finger is placed on the recess (27) provided on the upper surface of the cover portion (21) of the cap (2), and the cover portion (21) is pulled to the front by 90. By opening up to an opening angle of more than 0 °, it is possible to expose the external connection terminal (12) from the opening (11) of the housing (1) as in the case of the conventional mobile phone.
At this time, the connecting portion (23) formed thinner than the cover portion (21) is easily elastically deformed, and the cover portion (21) is opened.
キャップ(２)の取り付け及び取り外しは、上記第２回動姿勢にて行なう。即ち、キャップ(２)の取り付けの際には、キャップ(２)の抜け止め部(25)を弾性変形させながら筐体(１)の取付孔(13)に挿入する。前記第２回動姿勢において、キャップ(２)の抜け止め部(25)は、筐体(１)の裏面と小なる対向面積で重なる形状を有しているので、取付孔(13)に挿入するために必要な抜け止め部(25)の弾性変形量は小さなものとなる。同様に、キャップ(２)から取り外すために必要な抜け止め部(25)の弾性変形量は小さなものとなる。 Attachment and removal of the cap (2) are performed in the second rotational posture. That is, when attaching the cap (2), the retaining portion (25) of the cap (2) is inserted into the attachment hole (13) of the housing (1) while being elastically deformed. In the second rotating posture, the retaining portion (25) of the cap (2) has a shape that overlaps with the rear surface of the housing (1) with a small facing area, so that it is inserted into the mounting hole (13). The amount of elastic deformation of the retaining portion (25) necessary for this is small. Similarly, the amount of elastic deformation of the retaining portion (25) necessary for removal from the cap (2) is small.
又、キャップ(２)のカバー部(21)側へ伸びる抜け止め部(25)の一端と軸部(24)との距離Ｌ３は、反対側へ伸びる抜け止め部(25)の他端と軸部(24)との距離Ｌ４より大きく形成されているので、キャップ(２)のカバー部(21)側に伸びる抜け止め部(25)の一端を取付孔(13)に挿入した後、抜け止め部(25)の他端を弾性変形させながら挿入することにより、キャップ(２)を取付孔(13)に取り付けることが出来る。上記取り付け作業によれば、抜け止め部(25)を大きく弾性変形させることなく筐体(１)の取付孔(13)に挿入することが出来るので、キャップ(２)の取り付け作業を簡単に行なうことが出来る。 The distance L3 between one end of the retaining portion (25) extending to the cover portion (21) side of the cap (2) and the shaft portion (24) is equal to the other end of the retaining portion (25) extending to the opposite side and the shaft. Since it is formed to be larger than the distance L4 with the portion (24), the end of the retaining portion (25) extending to the cover portion (21) side of the cap (2) is inserted into the mounting hole (13) and then retained. By inserting the other end of the part (25) while being elastically deformed, the cap (2) can be attached to the attachment hole (13). According to the above mounting operation, the retaining portion (25) can be inserted into the mounting hole (13) of the housing (1) without being greatly elastically deformed, so that the cap (2) can be easily mounted. I can do it.
逆に、キャップ(２)のカバー部(21)の反対側へ伸びる抜け止め部(25)の一端を弾性変形させながら取付孔(13)から取り出した後、抜け止め部(25)の他端を取付孔(13)から取り出すことにより、キャップ(２)を取付孔(13)から取り外すことが出来る。上記取り外し作業によれば、抜け止め部(25)を大きく弾性変形させることなく筐体(１)の取付孔(13)から取り出すことが出来るので、キャップ(３)の取り外し作業をより簡単に行なうことが出来る。 Conversely, after removing one end of the retaining portion (25) extending to the opposite side of the cover (21) of the cap (2) from the mounting hole (13) while elastically deforming, the other end of the retaining portion (25) The cap (2) can be removed from the mounting hole (13) by taking out from the mounting hole (13). According to the above detaching operation, the cap (3) can be removed more easily because the retaining portion (25) can be removed from the mounting hole (13) of the housing (1) without greatly elastic deformation. I can do it.
尚、本発明の各部構成は上記実施の形態に限らず、特許請求の範囲に記載の技術的範囲内で種々の変形が可能である。例えば、キャップ(２)の抜け止め部(25)の形状は矩形状に限らず、前記第１回動姿勢にて筐体(１)の裏面と大なる対向面積で重なり、且つ前記第２回動姿勢にて筐体(１)の裏面と小なる対向面積で重なる形状を有する種々の形状を採用することが可能である。 In addition, each part structure of this invention is not restricted to the said embodiment, A various deformation | transformation is possible within the technical scope as described in a claim. For example, the shape of the retaining portion (25) of the cap (2) is not limited to a rectangular shape, but overlaps with the back surface of the housing (1) in the first rotation posture with a large facing area, and the second time. It is possible to adopt various shapes having a shape that overlaps with a small facing area on the back surface of the housing (1) in a moving posture.
(１) 筐体
(11) 開口部
(12) 外部接続端子
(13) 取付孔
(２) キャップ
(21) カバー部
(22) 舌片
(23) 連結部
(24) 軸部
(25) 抜け止め部
(26) 突片
(27) 凹部
(1) Case
(11) Opening
(12) External connection terminal
(13) Mounting hole
(2) Cap
(21) Cover part
(22) Tongue piece
(23) Connecting part
(24) Shaft
(25) Retaining part
(26) Projection
(27) Concave
Claims (3)
前記キャップ(２)は、前記筐体(１)の開口部(11)を筐体(１)の表面側から閉塞するカバー部(21)を有する本体部と、該本体部の裏面の端部に突設されて前記取付孔(13)を貫通する軸部(24)と、該軸部(24)の先端に該軸部(24)と交叉する方向に突設されて前記筐体(１)の裏面に摺接可能な抜け止め部(25)とを有して、前記軸部(24)を中心として、前記カバー部(21)が前記開口部(11)を閉塞した第１回動姿勢と前記カバー部(21)が前記開口部(11)を開口させた第２回動姿勢との間で回動が可能であり、
前記取付孔(13)は１軸方向に長い長孔であって、前記抜け止め部(25)は、該長孔の形状に応じて１軸方向に長い形状を呈し、前記第２回動姿勢にて前記抜け止め部(25)の長手方向と前記長孔の長手方向とが一致し、
前記抜け止め部(25)の長手方向の長さＬ１は、前記取付孔(13)の長手方向の長さａ１よりも大きく形成されると共に、抜け止め部(25)の長手方向と直交する方向の長さＬ２は、取付孔(13)の長手方向と直交する方向の長さａ２よりも小さく形成され、且つ、抜け止め部(25)の長手方向の長さＬ１は、取付孔(13)の長手方向と直交する方向の長さａ２より大きく形成されており、
前記抜け止め部(25)は、前記第１回動姿勢にて前記筐体(１)の裏面と大なる対向面積で重なり、且つ前記第２回動姿勢にて前記筐体(１)の裏面と小なる対向面積で重なる形状を有していることを特徴とする小型電子機器。 A casing (1) having an opening (11), an external connection terminal (12) exposed from the opening (11) of the casing (1), and a block for closing the opening (11) A cap (2) made of synthetic resin, and the cap (2) is detachably engaged with a mounting hole (13) opened near the opening (11) of the casing (1). In a small electronic device attached to the housing (1),
The cap (2) includes a body portion having a cover portion (21) for closing the opening (11) of the housing (1) from the front surface side of the housing (1), and an end portion on the back surface of the body portion A shaft portion (24) projecting from the mounting hole (13) and projecting in a direction crossing the shaft portion (24) at the tip of the shaft portion (24). ) And a retaining portion (25) that can be slidably contacted with the back surface, and the cover portion (21) closes the opening portion (11) around the shaft portion (24). It is possible to turn between the posture and the second turning posture in which the cover (21) opens the opening (11),
The mounting hole (13) is a long hole that is long in one axial direction, and the retaining portion (25) has a long shape in one axial direction according to the shape of the long hole, and the second turning posture. The longitudinal direction of the retaining portion (25) and the longitudinal direction of the elongated hole coincide,
A length L1 in the longitudinal direction of the retaining portion (25) is formed larger than a length a1 in the longitudinal direction of the mounting hole (13), and is a direction orthogonal to the longitudinal direction of the retaining portion (25). The length L2 of the mounting hole (13) is smaller than the length a2 in the direction orthogonal to the longitudinal direction of the mounting hole (13), and the length L1 of the retaining portion (25) in the longitudinal direction is the mounting hole (13). Are formed larger than the length a2 in the direction orthogonal to the longitudinal direction of
The retaining portion (25) overlaps with the back surface of the housing (1) in a large opposing area in the first rotation posture, and the back surface of the housing (1) in the second rotation posture. A small electronic device characterized by having an overlapping shape with a small opposing area.
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| JP2004299606A JP4558439B2 (en) | 2004-10-14 | 2004-10-14 | Small electronic equipment |
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| JP2004299606A JP4558439B2 (en) | 2004-10-14 | 2004-10-14 | Small electronic equipment |
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| JP4900080B2 (en) * | 2007-06-22 | 2012-03-21 | パナソニック株式会社 | Welding torch |
| JP4900715B2 (en) * | 2007-12-20 | 2012-03-21 | 日本電気株式会社 | Attaching / detaching rotary terminal cover and folding mobile phone |
| JP5058029B2 (en) | 2008-03-06 | 2012-10-24 | 三洋電機株式会社 | Electronics |
| JP2012059644A (en) | 2010-09-10 | 2012-03-22 | Fujitsu Ltd | Electronic device and cap |
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| JPH10242661A (en) * | 1997-02-21 | 1998-09-11 | Dx Antenna Co Ltd | Opening and shutting structure for lid body in small apparatus |
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