JP2008138745A - Hinge device and electronic device using hinge device - Google Patents

Hinge device and electronic device using hinge device Download PDF

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Publication number
JP2008138745A
JP2008138745A JP2006324453A JP2006324453A JP2008138745A JP 2008138745 A JP2008138745 A JP 2008138745A JP 2006324453 A JP2006324453 A JP 2006324453A JP 2006324453 A JP2006324453 A JP 2006324453A JP 2008138745 A JP2008138745 A JP 2008138745A
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shaft portion
fitted
diameter
diameter shaft
hinge device
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JP4455573B2 (en
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Yoshitaka Hayashi
芳隆 林
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Advanex Motion Design Inc
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Strawberry Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an innovative hinge device capable of developing a noble working effect and an electronic device using the hinge device. <P>SOLUTION: This hinge device is used for pivotally attaching a first member and a second member to each other. A shaft part 4 journalled by a bearing part 10 formed on a second mounting body 6 rotated when the second member 2 is rotated is formed on a first mounting body 3 rotated when the first member 1 is rotated. A large-diameter shaft part 7 with a diameter larger than that of the portion thereof journalled by the bearing part 10 is formed on the shaft part 4. A part 8 to be fitted and connected to the large-diameter shaft part 7 rotatably relative to each other is formed on a body 9 to be fitted rotated when the second member 2 is rotated. By the contact frictional resistance of the part 8 to be fitted against the large-diameter shaft part 7, a cushioning action occurs when the large-diameter shaft part 7 and the part 8 to be fitted are rotated relative to each other. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、良好なダンパー効果を発揮する画期的なヒンジ装置並びにヒンジ装置を用いた電子機器に関するものである。   The present invention relates to an innovative hinge device that exhibits a good damper effect and an electronic device using the hinge device.

従来から、第一部材と第二部材とを枢着して互いに重合した閉塞状態から開放回動するように構成したヒンジ装置において、この第二部材に対して開放した第一部材が閉塞する際、急激な回動を防止しゆっくりとした閉塞を実現するダンパー機能を発揮するダンパー機能付きヒンジ装置が種々提案されている。   Conventionally, in a hinge device configured to pivot from a closed state in which a first member and a second member are pivotally attached and overlapped with each other, the first member opened with respect to the second member is closed. Various types of hinge devices with a damper function have been proposed that exhibit a damper function that prevents a sudden rotation and realizes a slow closing.

特開平１０−３３１５１０号公報JP-A-10-331510 特開２００３−６５３２０号公報Japanese Patent Laid-Open No. 2003-65320

ところが、この従来例は、いずれも構造が複雑で部品点数が多い為、それだけコスト高で量産性が悪く、しかも、重量が重くなってしまうという問題点がある。   However, each of the conventional examples has a problem that the structure is complicated and the number of parts is large, so that the cost is high, the mass productivity is poor, and the weight is increased.

本発明は、上述した問題点に着目し、従来にない作用効果を発揮する画期的なヒンジ装置並びにヒンジ装置を用いた電子機器を提供する。   The present invention focuses on the above-described problems, and provides an innovative hinge device that exhibits unprecedented effects and an electronic device using the hinge device.

添付図面を参照して本発明の要旨を説明する。   The gist of the present invention will be described with reference to the accompanying drawings.

第一部材１と第二部材２とを枢着するヒンジ装置であって、前記第二部材２と共に回動する第二取付体６に設けた軸受部10で軸受される軸部４を前記第一部材１と共に回動する第一取付体３に設け、前記軸受部10で軸受される部位よりも径大な径大軸部７を前記軸部４に設け、この径大軸部７に相対回動自在に被嵌連結する被嵌部８を前記第二部材２と共に回動する被嵌体９に設け、この径大軸部７に対する前記被嵌部８の接触摩擦抵抗により前記径大軸部７と前記被嵌部８との相対回動に際して緩衝作用が生じるように構成されていることを特徴とするヒンジ装置に係るものである。   The hinge device pivotally attaches the first member 1 and the second member 2, and the shaft portion 4 that is supported by the bearing portion 10 provided on the second attachment body 6 that rotates together with the second member 2 is the first device. Provided on the first mounting body 3 that rotates together with the one member 1, a large-diameter shaft portion 7 that is larger in diameter than the portion supported by the bearing portion 10 is provided in the shaft portion 4, and relative to the large-diameter shaft portion 7. A fitting portion 8 that is pivotably fitted and connected is provided in a fitting body 9 that rotates together with the second member 2, and the large diameter shaft due to the contact frictional resistance of the fitted portion 8 against the large diameter shaft portion 7. The present invention relates to a hinge device characterized in that a buffering action is generated when the portion 7 and the fitted portion 8 are rotated relative to each other.

また、前記被嵌部８は、前記径大軸部７に圧嵌状態で被嵌連結されることを特徴とする請求項１記載のヒンジ装置に係るものである。   The hinge device according to claim 1, wherein the fitted portion 8 is fitted and connected to the large-diameter shaft portion 7 in a press-fit state.

また、前記第一取付体３に設けられる軸部４を前記第二取付体６に貫通状態に設け、この第二取付体６から突出する前記軸部４の突出部位に前記径大軸部７を設け、この径大軸部７の径は前記第二取付体６の外径と同一径若しくは略同一径に設定されていることを特徴とする請求項１，２のいずれか１項に記載のヒンジ装置に係るものである。   Further, the shaft portion 4 provided in the first mounting body 3 is provided in a penetrating state in the second mounting body 6, and the large-diameter shaft portion 7 is formed at a projecting portion of the shaft portion 4 projecting from the second mounting body 6. The diameter of the large-diameter shaft portion 7 is set to be the same as or substantially the same as the outer diameter of the second attachment body 6. This relates to the hinge device.

また、前記第二取付体６は前記軸部４を収納するケース体であることを特徴とする請求項１〜３のいずれか１項に記載のヒンジ装置に係るものである。   Moreover, said 2nd attachment body 6 is a case body which accommodates the said axial part 4, It concerns on the hinge apparatus of any one of Claims 1-3 characterized by the above-mentioned.

また、前記径大軸部７に断面径が径小となり前記被嵌部８の接触内面部８ｂに非接触となる非接触部７ａを設け、前記径大軸部７と前記被嵌部８とを相対回動させた際、この径大軸部７の前記非接触部７ａ以外の接触部７ｂが非接触状態となる非接触内面部８ａを前記被嵌部８に設けて、この径大軸部７の接触部７ｂに対する前記被嵌部８の接触内面部８ｂが接触するときのみ生じる接触摩擦抵抗により前記径大軸部７と前記被嵌部８との相対回動に際して緩衝作用が生じるように構成されていることを特徴とする請求項１〜４のいずれか１項に記載のヒンジ装置に係るものである。   In addition, the large-diameter shaft portion 7 is provided with a non-contact portion 7a having a small cross-sectional diameter and non-contact with the contact inner surface portion 8b of the fitted portion 8, and the large-diameter shaft portion 7 and the fitted portion 8 Is provided with a non-contact inner surface portion 8a in which the contact portion 7b other than the non-contact portion 7a of the large-diameter shaft portion 7 is brought into a non-contact state. The contact frictional resistance generated only when the contact inner surface portion 8b of the fitted portion 8 comes into contact with the contact portion 7b of the portion 7 seems to have a buffering action when the large-diameter shaft portion 7 and the fitted portion 8 are rotated relative to each other. The hinge device according to any one of claims 1 to 4, wherein the hinge device is configured as described above.

また、前記径大軸部７の外面に切欠状部分を形成して断面径が径小となる前記非接触部７ａを設けたことを特徴とする請求項５記載のヒンジ装置に係るものである。   6. The hinge device according to claim 5, wherein a non-contact portion having a small cross-sectional diameter is formed by forming a notched portion on the outer surface of the large-diameter shaft portion. .

また、前記被嵌体９に相対回動自在にして圧嵌状態に嵌挿連結する回動部14を前記径大軸部７と隣接状態に設け、前記径大軸部７と前記被嵌部８との所定角度の回動範囲における相対回動に際し、前記径大軸部７に設けた作用部７ｃが前記回動部14に設けた被作用部14ａに当接することで前記径大軸部７と前記回動部14とが共同回動することで緩衝力が増大する緩衝力増大機構を設けたことを特徴とする特徴とする請求項１〜６のいずれか１項に記載のヒンジ装置に係るものである。   Further, a rotating portion 14 is provided adjacent to the large-diameter shaft portion 7 so as to be relatively rotatable with respect to the fitted body 9 so as to be fitted and connected in a press-fit state, and the large-diameter shaft portion 7 and the fitted portion. When the relative rotation is performed within a rotation range of a predetermined angle with respect to 8, the operating portion 7c provided on the large-diameter shaft portion 7 abuts on the actuated portion 14a provided on the rotating portion 14, thereby the large-diameter shaft portion. 7. The hinge device according to claim 1, further comprising: a buffering force increasing mechanism that increases a buffering force by jointly rotating the rotating unit and the rotating unit. It is related to.

また、前記回動部14は、前記被嵌体９に圧嵌状態で嵌挿連結されることを特徴とする請求項７記載のヒンジ装置に係るものである。   8. The hinge device according to claim 7, wherein the rotating portion is fitted and connected to the fitted body in a press-fit state.

また、第一部材１と第二部材２とを枢着するヒンジ装置であって、前記第二部材２と共に回動する第二取付体６に設けた軸受部10で軸受される軸部４を前記第一部材１と共に回動する第一取付体３に設け、この第一取付体３に設けたカム部11に係合するカム係合部12を第二取付体６に設け、このカム部11とカム係合部12とが係合状態のとき第一部材１と第二部材２とが回動ロックされるように構成し、このカム係合部12を係合離反方向に移動するよう前記軸部４にスライド移動自在に設けると共に、このカム係合部12を係合方向に付勢する係合付勢機構13を備え、前記第一部材１と第二部材２との相対回動に伴い、このカム部11とカム係合部12とが前記係合付勢機構13の係合付勢により落ち込み係合することで相対回動付勢力が生じるように構成されており、前記軸受部10で軸受される部位よりも径大な径大軸部７を前記軸部４に設け、この径大軸部７に相対回動自在に被嵌連結する被嵌部８を前記第二部材２と共に回動する被嵌体９に設け、この径大軸部７に対する前記被嵌部８の接触摩擦抵抗により前記径大軸部７と前記被嵌部８との相対回動に際して緩衝作用が生じるように構成されていることを特徴とするヒンジ装置に係るものである。   Moreover, it is a hinge apparatus which pivotally attaches the 1st member 1 and the 2nd member 2, Comprising: The axial part 4 bearing by the bearing part 10 provided in the 2nd attachment body 6 rotated with said 2nd member 2 is provided. The first attachment body 3 that rotates together with the first member 1 is provided on the second attachment body 6 with a cam engagement portion 12 that engages with a cam portion 11 provided on the first attachment body 3. The first member 1 and the second member 2 are configured to be rotationally locked when 11 and the cam engaging portion 12 are engaged, and the cam engaging portion 12 is moved in the disengagement direction. The shaft portion 4 is slidably provided and includes an engagement urging mechanism 13 that urges the cam engagement portion 12 in the engagement direction, so that the first member 1 and the second member 2 are rotated relative to each other. Accordingly, the cam portion 11 and the cam engagement portion 12 are configured to be engaged with each other by the depression of the engagement biasing mechanism 13 so that a relative rotation biasing force is generated. The shaft portion 4 is provided with a large-diameter shaft portion 7 having a diameter larger than that of the portion supported by the bearing portion 10, and the fitting portion 8 is fitted and connected to the large-diameter shaft portion 7 so as to be relatively rotatable. Is mounted on the fitting body 9 that rotates together with the second member 2, and the relative rotation between the large-diameter shaft portion 7 and the fitting portion 8 is caused by the contact frictional resistance of the fitting portion 8 against the large-diameter shaft portion 7. The present invention relates to a hinge device characterized in that a buffering action is generated during movement.

また、前記第一取付体３に設けられる軸部４を前記第二取付体６に貫通状態に設け、この第二取付体６から突出する前記軸部４の突出部位に前記径大軸部７を設け、この径大軸部７の径は第二取付体６の外径と同一径若しくは略同一径に設定されていることを特徴とする請求項９記載のヒンジ装置に係るものである。   Further, the shaft portion 4 provided in the first mounting body 3 is provided in a penetrating state in the second mounting body 6, and the large-diameter shaft portion 7 is formed at a projecting portion of the shaft portion 4 projecting from the second mounting body 6. The diameter of the large shaft portion 7 is set to be the same as or substantially the same as the outer diameter of the second mounting body 6. The hinge device according to claim 9, wherein:

また、操作部15を設けた本体部２と、ディスプレイ部16を設けた重合部１とを、前記操作部15を操作しない時にはこの操作部15を覆うように重合配設し、この重合した状態から前記重合部１を相対的に回動して前記操作部15を露出させることができるように、前記本体部２と前記重合部１とを回動自在に連結するヒンジ装置を有し、このヒンジ装置には、前記本体部２を前記第二部材若しくは第一部材とし、前記重合部１を前記第一部材若しくは第二部材とした前記請求項１〜１０のいずれか１項に記載のヒンジ装置を用いた電子機器に係るものである。   Further, the main body part 2 provided with the operation part 15 and the superposition part 1 provided with the display part 16 are superposed and disposed so as to cover the operation part 15 when the operation part 15 is not operated. A hinge device that rotatably connects the main body 2 and the overlapping portion 1 so that the overlapping portion 1 can be relatively rotated to expose the operation portion 15. 11. The hinge according to claim 1, wherein the main body portion 2 is the second member or the first member, and the overlapping portion 1 is the first member or the second member. The present invention relates to an electronic device using the apparatus.

本発明は上述のように構成したから、従来から提案されるものに比して極めて効率の良い構造であり、しかも、良好な緩衝作用を発揮することになるなど従来にない作用効果を発揮する画期的なヒンジ装置並びにヒンジ装置を用いた電子機器となる。   Since the present invention is configured as described above, it has a structure that is extremely efficient as compared to the conventionally proposed ones, and also exhibits unprecedented effects such as a good buffering action. An innovative hinge device and an electronic device using the hinge device are provided.

好適と考える本発明の実施形態（発明をどのように実施するか）を、図面に基づいて本発明の作用を示して簡単に説明する。   DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention that are considered suitable (how to carry out the invention) will be briefly described with reference to the drawings, illustrating the operation of the present invention.

第一部材１と第二部材２との開閉回動に際して、径大軸部７に対する被嵌部８の接触摩擦抵抗により、この径大軸部７と被嵌部８との相対回動に際して緩衝作用が生じる。よって、第一部材１と第二部材２とは緩衝作用を伴った回動が行われる。   When the first member 1 and the second member 2 are opened and closed and rotated, the frictional resistance of the fitted portion 8 against the large-diameter shaft portion 7 is used to buffer the relative rotation between the large-diameter shaft portion 7 and the fitted portion 8. An effect occurs. Therefore, the first member 1 and the second member 2 are rotated with a buffering action.

この緩衝作用は、ヒンジ構造を構成する軸部４の一部を緩衝機能を発揮する極めて効率の良い構成であるから、部品点数を可及的に減らすことができ、コスト安にして量産性に秀れることになり、軽量化も確実に達成されることになる。   This buffering action is an extremely efficient configuration that exerts a buffering function on a part of the shaft portion 4 that constitutes the hinge structure, so that the number of parts can be reduced as much as possible, the cost is reduced, and mass productivity is achieved. It will excel and light weight will be achieved reliably.

また、この緩衝構造は、軸部４に設けられる径大軸部７を第二部材２と共に回動する被嵌体９に設けた被嵌部８に接触させて緩衝作用が生じるように構成されているから、被嵌部８と接触する部位を径大とすることで接触面積が広くなり、それだけ良好な緩衝作用が生じることになる。   In addition, this buffer structure is configured such that a buffering action is generated by bringing the large-diameter shaft portion 7 provided in the shaft portion 4 into contact with the fitted portion 8 provided on the fitted body 9 that rotates together with the second member 2. Therefore, by increasing the diameter of the portion that comes into contact with the fitted portion 8, the contact area is widened, and a good buffering effect is generated accordingly.

本発明の具体的な実施例１について図面に基づいて説明する。   A first embodiment of the present invention will be described with reference to the drawings.

本実施例は、第一部材１と第二部材２とを枢着して互いに重合した閉塞状態から開放回動するように構成したヒンジ装置であって、前記第二部材２と共に回動する第二取付体６に設けた軸受部10で軸受される軸部４を前記第一部材１と共に回動する第一取付体３に設け、この第一取付体３に設けたカム部11に係合するカム係合部12を第二取付体６に設け、このカム部11とカム係合部12とが係合状態のとき第一部材１と第二部材２とが回動ロックされるように構成し、このカム係合部12を係合離反方向に移動するよう前記軸部４にスライド移動自在に設けると共に、このカム係合部12を係合方向に付勢する係合付勢機構13を備え、前記第一部材１と第二部材２との相対回動に伴い、このカム部11とカム係合部12とが前記係合付勢機構13の係合付勢により落ち込み係合することで相対回動付勢力が生じるように構成されている。   The present embodiment is a hinge device configured to pivot from the closed state in which the first member 1 and the second member 2 are pivoted and overlapped with each other, and the first member 1 and the second member 2 rotate together with the second member 2. The shaft portion 4 supported by the bearing portion 10 provided on the second attachment body 6 is provided on the first attachment body 3 that rotates together with the first member 1, and is engaged with the cam portion 11 provided on the first attachment body 3. A cam engaging portion 12 is provided on the second attachment body 6 so that the first member 1 and the second member 2 are rotationally locked when the cam portion 11 and the cam engaging portion 12 are engaged. An engagement biasing mechanism 13 configured to slidably move on the shaft portion 4 so as to move the cam engagement portion 12 in the disengagement direction and bias the cam engagement portion 12 in the engagement direction. As the first member 1 and the second member 2 rotate relative to each other, the cam portion 11 and the cam engagement portion 12 are moved by the engagement bias of the engagement bias mechanism 13. It is comprised so that a relative rotational biasing force may arise by engaging in depression.

具体的には、図１に示すように折り畳みタイプの携帯電話に適用した場合を示したもので、ディスプレイ部16を備えた樹脂製の重合部１を第一部材１とし、操作部15を備えた樹脂製の本体部２を第二部材２とし、この本体部２に対して重合部１が重合した閉塞状態から重合部２を例えば１２０度まで回動した開放状態（通話状態）とすることができる枢着構造に本発明のヒンジ装置Ｈを適用している。   Specifically, as shown in FIG. 1, a case where the present invention is applied to a folding-type mobile phone is shown. A resin-made overlapping portion 1 having a display portion 16 is used as a first member 1, and an operation portion 15 is provided. The main body 2 made of resin is used as the second member 2, and from the closed state where the overlapping portion 1 is overlapped with respect to the main body 2, the overlapping portion 2 is rotated to, for example, 120 degrees (calling state). The hinge device H of the present invention is applied to a pivot attachment structure capable of performing the above.

また、本実施例では、重合部１の基部に連結凹部１ａを設け、本体部２の基部にもこの連結凹部１ａと連通状態に隣接する連結凹部２ａを設け、この夫々の連結凹部１ａ，２ａに軸状パーツとして構成した本発明のヒンジ装置Ｈを装着する構成としている。   In this embodiment, a connecting recess 1a is provided at the base of the overlapping portion 1, and a connecting recess 2a adjacent to the connecting recess 1a is also provided at the base of the main body 2. The connecting recesses 1a and 2a are connected to each other. It is set as the structure which mounts the hinge apparatus H of this invention comprised as a shaft-shaped part.

更に具体的には、図示したように、前記本体部２には、前記連結凹部２ａに対して回り止め形状とした金属製のケース体（ケーシング）を第二取付体６としてこの本体部２の連結凹部２ａに嵌挿して回り止め状態に固定している。   More specifically, as shown in the drawing, the main body 2 has a metal case body (casing) having a non-rotating shape with respect to the connection recess 2 a as a second attachment body 6. It is inserted into the connecting recess 2a and fixed in a non-rotating state.

この第二取付体６は、後述するカム係合部12をスライド移動自在に収納し得る収納構造体であり、金属製の板材を成形して成り、その一端部には中央に孔10ａを有する閉塞部６ａが設けられており、この孔10ａは後述するカム係合部12の孔10ｂとともに軸部４を軸受する軸受部10として機能する。   The second mounting body 6 is a housing structure that can slidably store a cam engaging portion 12 to be described later, and is formed by molding a metal plate, and has a hole 10a in the center at one end thereof. A closing portion 6a is provided, and this hole 10a functions as a bearing portion 10 that bears the shaft portion 4 together with a hole 10b of the cam engaging portion 12 described later.

また、第二取付体６には、端部の対向位置に凹部12ａを有する合成樹脂製のカム係合部12が設けられており、このカム係合部12は、断面略円形状に形成されるとともに、その周面には一対の凸部12ｂが形成され、この各凸部12ｂが第二取付体６に係るケース体の長さ方向に形成された各係止条６ｂにガイドされることで第二取付体６内をスライド移動自在にして回り止め状態に設けられている。   Further, the second mounting body 6 is provided with a synthetic resin cam engaging portion 12 having a concave portion 12a at a position opposed to the end portion, and the cam engaging portion 12 is formed in a substantially circular cross section. In addition, a pair of convex portions 12b are formed on the peripheral surface, and each convex portion 12b is guided by each locking strip 6b formed in the length direction of the case body according to the second attachment body 6. Thus, the second mounting body 6 is slidably movable and is provided in a non-rotating state.

また、第二取付体６には、その軸受部10（孔10ａ，10ｂ）に軸部４が貫通され、即ち、この軸部４は第二取付体６の閉塞部６ａに形成された孔10ａに嵌挿されると共に、カム係合部12がスライド移動自在にして回動自在に被嵌されるようにカム係合部12の孔10ｂに嵌挿され、更に、この軸部４の一端部に止着ピン17を介して合成樹脂製の第一取付体３が設けられ、この第一取付体３の内側には前記カム係合部12の凹部12ａと凹凸係合する一対の凸部11ａを有するカム部11が設けられている。   Further, the shaft portion 4 is passed through the bearing portion 10 (holes 10a and 10b) of the second mounting body 6, that is, the shaft portion 4 is formed in the hole 10a formed in the closing portion 6a of the second mounting body 6. And is inserted into the hole 10b of the cam engaging portion 12 so that the cam engaging portion 12 is slidably movable and is rotatably fitted. The first mounting body 3 made of synthetic resin is provided via the fastening pin 17, and a pair of convex portions 11 a that engage with the concave portion 12 a of the cam engaging portion 12 are provided on the inner side of the first mounting body 3. A cam portion 11 is provided.

従って、第二取付体６内をスライド移動するカム係合部12はカム部11に対して係合離反方向に軸部４をスライド移動自在となる。   Therefore, the cam engagement portion 12 that slides in the second attachment body 6 can slide the shaft portion 4 in the direction of engagement and separation with respect to the cam portion 11.

また、第一取付体３は、前記重合部１の基部に設けられた連結凹部１ａに嵌合連結し得る断面多角形状に設けられ、前記重合部１に対して回り止め状態に連結し得るように構成されている。   Further, the first attachment body 3 is provided in a polygonal cross section that can be fitted and connected to a connection recess 1 a provided in the base of the overlapping portion 1, and can be connected to the overlapping portion 1 in a non-rotating state. It is configured.

また、第二取付体６内にしてカム係合部12の外面と第二取付体６に係る閉塞部６ａとの間にはカム係合部12を係合方向に付勢するコイルバネを係合付勢機構13として設けている。   In addition, a coil spring that urges the cam engagement portion 12 in the engagement direction is engaged between the outer surface of the cam engagement portion 12 and the closing portion 6a of the second attachment body 6 in the second attachment body 6. An urging mechanism 13 is provided.

従って、以上の構成からなるヒンジ装置Ｈは、このカム部11とカム係合部12とが係合状態のとき重合部１と本体部２とが回動ロックされ、本体部２に対する重合部１の開閉回動に伴い、このカム部11とカム係合部12とが係脱するとともに、このカム部11とカム係合部12とが係合していない状態から落ち込み係合しようとする相対回動付勢力が生じることになる。この相対回動付勢力を本体部２に対する重合部１の重合状態を保持する閉じ力として機能せしめるとともに、本体部２に対する重合部１の全開状態を保持する開き力として機能せしめるように構成している。   Therefore, in the hinge device H configured as described above, when the cam portion 11 and the cam engaging portion 12 are engaged, the overlapping portion 1 and the main body portion 2 are rotationally locked, and the overlapping portion 1 with respect to the main body portion 2 is locked. The cam part 11 and the cam engagement part 12 are engaged and disengaged with the opening / closing rotation of the cam, and the cam part 11 and the cam engagement part 12 are not engaged with each other. A rotational biasing force is generated. The relative rotational biasing force is configured to function as a closing force for maintaining the overlapping state of the overlapping portion 1 with respect to the main body portion 2 and to function as an opening force for maintaining the fully open state of the overlapping portion 1 with respect to the main body portion 2. Yes.

また、本実施例は、ヒンジ装置Ｈにダンパー構造Ｄを具備せしめている。   In the present embodiment, the hinge device H is provided with a damper structure D.

即ち、カム係合部12がスライド移動する部位よりも径大な径大軸部７を軸部４に設け、この径大軸部７に相対回動自在にして圧嵌状態に被嵌連結する被嵌部８を前記第二部材２と共に回動する被嵌体９に設け、この径大軸部７に対する被嵌部８の接触摩擦抵抗により前記径大軸部７と被嵌部８との相対回動に際して緩衝作用が生じるように構成されている。   That is, a large shaft portion 7 having a diameter larger than the portion where the cam engagement portion 12 slides is provided in the shaft portion 4 and is rotatably coupled to the large shaft portion 7 in a press-fit state. The fitted portion 8 is provided on the fitted body 9 that rotates together with the second member 2, and the contact frictional resistance of the fitted portion 8 against the large-diameter shaft portion 7 causes the large-diameter shaft portion 7 and the fitted portion 8 to contact each other. It is configured so that a buffering action is generated at the time of relative rotation.

具体的には、軸部４の他端部に前記第二取付体６の端部（閉塞部６ａ）から突出する径大軸部７を設け、この径大軸部７にケース状の被嵌体９を被嵌している。尚、被嵌体９としては、断面Ｃ字状のものやコイルバネ形状のものなどでも良く、径大軸部７との圧嵌状態を達成する構成であれば適宜採用し得るものである。   Specifically, a large-diameter shaft portion 7 that protrudes from the end portion (blocking portion 6 a) of the second attachment body 6 is provided at the other end portion of the shaft portion 4, and a case-like fitting is provided on the large-diameter shaft portion 7. The body 9 is fitted. In addition, as the to-be-inserted body 9, a thing with a cross-sectional C shape, a coil spring shape, etc. may be sufficient, and if it is the structure which achieves the press-fit state with the large diameter shaft part 7, it can employ | adopt suitably.

この径大軸部７の外周面と被嵌体９の内面（被嵌部８）との間には適度な粘性を有したグリスが配されており、よって、この径大軸部７に対する被嵌部８の接触摩擦抵抗により前記径大軸部７と被嵌部８との相対回動に際して緩衝作用が生じることになる。   Between the outer peripheral surface of the large-diameter shaft portion 7 and the inner surface of the fitted body 9 (the fitted portion 8), grease having an appropriate viscosity is disposed. The contact frictional resistance of the fitting portion 8 causes a buffering action when the large-diameter shaft portion 7 and the fitted portion 8 are rotated relative to each other.

被嵌体９は、前述した第二取付体６と同様、重合部１と相対回動する本体部２に回り止め状態に設けられている。   Similar to the second attachment body 6 described above, the fitted body 9 is provided in a non-rotating state on the main body portion 2 that rotates relative to the overlapping portion 1.

また、被嵌体９は、その一端部に中央に孔９ａ’を有する閉塞部９ａが設けられており、この閉塞部９ａは第二取付体６の閉塞部６ａと重合状態に配されることになり、ワッシャーとしての機能を発揮することになる。   Moreover, the to-be-fitted body 9 is provided with the obstruction | occlusion part 9a which has the hole 9a 'in the center in the one end part, and this obstruction | occlusion part 9a is distribute | arranged with the obstruction | occlusion part 6a of the 2nd attachment body 6 in a superposition state. And will function as a washer.

また、被嵌体９は、図６に図示したように第二取付体６に一体成形しても良い。   Further, the fitted body 9 may be integrally formed with the second mounting body 6 as shown in FIG.

本実施例は上述のように構成したから、カム部11とカム係合部12とで生じる相対回動付勢力が本体部２に対する重合部１の重合状態を保持する閉じ力として機能するとともに、本体部２に対する重合部１の全開状態を保持する開き力として機能するから、この種のヒンジ装置Ｈとして本来求められるその機能を確実に発揮し、しかも、この本体部２に対する重合部１の開閉回動に際して緩衝作用が生じるように構成されているから、この開閉回動に際してゆったりとした作動が得られることになり、高級感を演出することができる。   Since the present embodiment is configured as described above, the relative rotational biasing force generated by the cam portion 11 and the cam engagement portion 12 functions as a closing force for maintaining the overlapping state of the overlapping portion 1 with respect to the main body portion 2. Since it functions as an opening force for maintaining the fully open state of the overlapping portion 1 with respect to the main body portion 2, the function that is originally required for this type of hinge device H is reliably exhibited, and the opening and closing of the overlapping portion 1 with respect to the main body portion 2 is performed. Since a buffering action is generated at the time of rotation, a relaxed operation can be obtained at the time of opening and closing, and a high-class feeling can be produced.

また、本実施例は、この緩衝作用は、ヒンジ構造を構成する軸部４の一部を緩衝機能を発揮する極めて効率の良い構成であるから、部品点数を可及的に減らすことができ、コスト安にして量産性に秀れることになり、軽量化も確実に達成されることになる。   Further, in this embodiment, since this buffering action is a highly efficient configuration that exhibits a buffering function for a part of the shaft portion 4 constituting the hinge structure, the number of parts can be reduced as much as possible. The cost will be low and the mass production will be excellent, and the weight reduction will be achieved reliably.

また、本実施例は、この緩衝構造は、軸部４に設けられる径大軸部７を第二部材２と共に回動する被嵌体９に設けた被嵌部８に接触させて緩衝作用が生じるように構成されているから、被嵌部８と接触する部位を径大とすることで接触面積が広くなり、それだけ良好な緩衝作用が生じることになる。   Further, in this embodiment, this buffering structure has a buffering effect by bringing the large-diameter shaft portion 7 provided on the shaft portion 4 into contact with the fitted portion 8 provided on the fitted body 9 that rotates together with the second member 2. Since it is comprised so that it may arise, a contact area will become wide by making the site | part which contacts the to-be-fitted part 8 into large diameter, and the buffering effect favorable so much will arise.

本発明の具体的な実施例２について図面に基づいて説明する。   A second embodiment of the present invention will be described with reference to the drawings.

本実施例は、径大軸部７に断面径が径小となり被嵌部８の接触内面部８ｂに非接触となる非接触部７ａを設け、径大軸部７と被嵌部８とを相対回動させた際、この径大軸部７の前記非接触部７ａ以外の接触部７ｂが非接触状態となる非接触内面部８ａを前記被嵌部８に設けて、この径大軸部７の接触部７ｂに対する被嵌部８の接触内面部８ｂが接触するときのみ生じる接触摩擦抵抗により前記径大軸部７と被嵌部８との相対回動に際して緩衝作用が生じるように構成されている。   In the present embodiment, the large-diameter shaft portion 7 is provided with a non-contact portion 7a having a small cross-sectional diameter and non-contacting with the contact inner surface portion 8b of the fitted portion 8, and the large-diameter shaft portion 7 and the fitted portion 8 are provided. A non-contact inner surface portion 8a in which a contact portion 7b other than the non-contact portion 7a of the large-diameter shaft portion 7 is brought into a non-contact state when the relative diameter is rotated is provided on the fitted portion 8, and the large-diameter shaft portion The contact frictional resistance generated only when the contact inner surface portion 8b of the fitted portion 8 comes into contact with the contact portion 7b of 7 is configured so that a buffering action is generated at the time of relative rotation between the large-diameter shaft portion 7 and the fitted portion 8. ing.

具体的には、径大軸部７の外面に切欠状部分を形成して断面径が径小となる前記非接触部７ａを設けており、図８，９に図示したように切欠状部分は半分以下の面積となる形状（正面視半円形状）に形成されている。   Specifically, the non-contact part 7a having a small cross-sectional diameter is formed by forming a notch-like part on the outer surface of the large-diameter shaft part 7, and the notch-like part as shown in FIGS. It is formed in a shape that is less than half the area (front view semicircular shape).

また、被嵌部８の非接触内面部８ａは、図８，９に図示したようにその円周方向の半分となる部位を接触内面部８ｂよりも径大となる凹状部を設けて構成されている。   Further, the non-contact inner surface portion 8a of the fitted portion 8 is configured by providing a concave portion whose diameter is larger than that of the contact inner surface portion 8b at a half of the circumferential direction as shown in FIGS. ing.

以上のように、本実施例は、径大軸部７と被嵌部８の形状設定により、緩衝作用が生じるタイミングやその緩衝力の強さを適宜設定することができる。   As described above, in this embodiment, the timing at which the buffering action occurs and the strength of the buffering force can be appropriately set by setting the shapes of the large-diameter shaft portion 7 and the fitted portion 8.

その余は実施例１と同様である。   The rest is the same as in Example 1.

本発明の具体的な実施例３について図面に基づいて説明する。   A specific third embodiment of the present invention will be described with reference to the drawings.

本実施例は、被嵌体９に相対回動自在にして圧嵌状態に嵌挿連結する回動部14を前記径大軸部７と隣接状態に設け、径大軸部７と被嵌部８との所定角度の回動範囲における相対回動に際し、この径大軸部７に設けた作用部７ｃが回動部14に設けた被作用部14ａに当接することで径大軸部７と回動部14とが共同回動することで緩衝力が増大する緩衝力増大機構Ｋを設けている。   In the present embodiment, a rotating portion 14 is provided adjacent to the large-diameter shaft portion 7 so as to be relatively rotatable with respect to the fitted body 9 and inserted and connected in a press-fit state. When the relative rotation in the rotation range of a predetermined angle with 8 is performed, the action portion 7c provided on the large-diameter shaft portion 7 abuts on the actuated portion 14a provided on the rotation portion 14 so that the large-diameter shaft portion 7 and A buffering force increasing mechanism K that increases the buffering force by jointly rotating with the rotating unit 14 is provided.

具体的には、この緩衝力増大機構Ｋは、径大軸部７に断面径が径小となる切欠状の作用部７ｃを設け、この作用部７ｃに当接する被作用部14ａを回動部14の端面に突出形成しており、図13に図示したようにこの作用部７ｃが被作用部14ａに当接した状態で回動部14が径大軸部７と共同回動した際、緩衝力が増大することになる。   Specifically, the buffering force increasing mechanism K includes a large-diameter shaft portion 7 provided with a notched action portion 7c having a small cross-sectional diameter, and the actuated portion 14a that contacts the action portion 7c is provided as a rotating portion. 14 projecting from the end face, and when the rotating portion 14 rotates together with the large-diameter shaft portion 7 with the operating portion 7c in contact with the operated portion 14a as shown in FIG. The power will increase.

尚、この実施例３に係る緩衝力増大機構Ｋと実施例２に係る構造とを組み合わせるようにしても良い。   The buffering force increasing mechanism K according to the third embodiment and the structure according to the second embodiment may be combined.

その余は実施例１と同様である。   The rest is the same as in Example 1.

尚、本発明は、実施例１，２，３に限られるものではなく、各構成要件の具体的構成は適宜設計し得るものである。   The present invention is not limited to the first, second, and third embodiments, and the specific configuration of each component can be designed as appropriate.

実施例１の使用状態説明図である。FIG. 3 is an explanatory diagram of a use state of the first embodiment. 実施例１を示す斜視図である。1 is a perspective view showing Example 1. FIG. 実施例１の分解斜視図である。1 is an exploded perspective view of Example 1. FIG. 実施例１に係る要部の断面図である。3 is a cross-sectional view of a main part according to Embodiment 1. FIG. 実施例１の動作説明図である。FIG. 6 is an operation explanatory diagram of the first embodiment. 実施例１の別タイプに係る要部の断面図である。3 is a cross-sectional view of a main part according to another type of Embodiment 1. FIG. 実施例２の分解斜視図である。3 is an exploded perspective view of Example 2. FIG. 実施例２に係る要部の説明断面図である。FIG. 6 is an explanatory cross-sectional view of a main part according to a second embodiment. 実施例２に係る要部の説明断面図である。FIG. 6 is an explanatory cross-sectional view of a main part according to a second embodiment. 実施例２の動作説明図である。FIG. 6 is an operation explanatory diagram of Embodiment 2. 実施例３の分解斜視図である。6 is an exploded perspective view of Example 3. FIG. 実施例３に係る要部の分解斜視図である。FIG. 6 is an exploded perspective view of main parts according to a third embodiment. 実施例３に係る要部の動作説明図である。FIG. 10 is an explanatory diagram of an operation of a main part according to the third embodiment. 実施例３の動作説明図である。FIG. 9 is an operation explanatory diagram of Embodiment 3. 実施例３の動作説明図である。FIG. 9 is an operation explanatory diagram of Embodiment 3.

符号の説明Explanation of symbols

１ 第一部材・重合部
２ 第二部材・本体部
３ 第一取付体
４ 軸部
６ 第二取付体
７ 径大軸部
７ａ 非接触部
７ｂ 接触部
７ｃ 作用部
８ 被嵌部
８ａ 非接触内面部
８ｂ 接触内面部
９ 被嵌体
10 軸受部
11 カム部
12 カム係合部
13 係合付勢機構
14 回動部
14ａ 被作用部
15 操作部
16 ディスプレイ部 DESCRIPTION OF SYMBOLS 1 1st member and superposition | polymerization part 2 2nd member and main-body part 3 1st attachment body 4 Shaft part 6 2nd attachment body 7 Diameter large shaft part 7a Non-contact part 7b Contact part 7c Action part 8 Fit part 8a Non-contact inner surface Part 8b Contact inner surface part 9 Fit object
10 Bearing part
11 Cam section
12 Cam engagement part
13 Engagement bias mechanism
14 Rotating part
14a Actuated part
15 Operation unit
16 Display section

Claims (11)

第一部材と第二部材とを枢着するヒンジ装置であって、前記第二部材と共に回動する第二取付体に設けた軸受部で軸受される軸部を前記第一部材と共に回動する第一取付体に設け、前記軸受部で軸受される部位よりも径大な径大軸部を前記軸部に設け、この径大軸部に相対回動自在に被嵌連結する被嵌部を前記第二部材と共に回動する被嵌体に設け、この径大軸部に対する前記被嵌部の接触摩擦抵抗により前記径大軸部と前記被嵌部との相対回動に際して緩衝作用が生じるように構成されていることを特徴とするヒンジ装置。   A hinge device for pivotally attaching a first member and a second member, wherein a shaft portion supported by a bearing portion provided on a second mounting body that rotates together with the second member rotates together with the first member. A fitting portion that is provided on the first mounting body, has a large diameter shaft portion that is larger in diameter than a portion that is supported by the bearing portion, and is fitted and connected to the large diameter shaft portion so as to be relatively rotatable. It is provided in a fitting body that rotates together with the second member, and a buffering action is generated in the relative rotation of the large-diameter shaft portion and the fitting portion by the contact frictional resistance of the fitting portion with respect to the large-diameter shaft portion. It is comprised in the hinge apparatus characterized by the above-mentioned. 前記被嵌部は、前記径大軸部に圧嵌状態で被嵌連結されることを特徴とする請求項１記載のヒンジ装置。   The hinge device according to claim 1, wherein the fitted portion is fitted and connected to the large-diameter shaft portion in a press-fit state. 前記第一取付体に設けられる軸部を前記第二取付体に貫通状態に設け、この第二取付体から突出する前記軸部の突出部位に前記径大軸部を設け、この径大軸部の径は前記第二取付体の外径と同一径若しくは略同一径に設定されていることを特徴とする請求項１，２のいずれか１項に記載のヒンジ装置。   A shaft portion provided in the first mounting body is provided in a penetrating state in the second mounting body, and the large-diameter shaft portion is provided in a protruding portion of the shaft portion protruding from the second mounting body. The hinge device according to any one of claims 1 and 2, wherein the diameter of the hinge is set to be the same as or substantially the same as the outer diameter of the second attachment body. 前記第二取付体は前記軸部を収納するケース体であることを特徴とする請求項１〜３のいずれか１項に記載のヒンジ装置。   The hinge device according to claim 1, wherein the second attachment body is a case body that houses the shaft portion. 前記径大軸部に断面径が径小となり前記被嵌部の接触内面部に非接触となる非接触部を設け、前記径大軸部と前記被嵌部とを相対回動させた際、この径大軸部の前記非接触部以外の接触部が非接触状態となる非接触内面部を前記被嵌部に設けて、この径大軸部の接触部に対する前記被嵌部の接触内面部が接触するときのみ生じる接触摩擦抵抗により前記径大軸部と前記被嵌部との相対回動に際して緩衝作用が生じるように構成されていることを特徴とする請求項１〜４のいずれか１項に記載のヒンジ装置。   When the large diameter shaft portion is provided with a non-contact portion that has a small cross-sectional diameter and is not in contact with the contact inner surface portion of the fitted portion, and when the large diameter shaft portion and the fitted portion are relatively rotated, A non-contact inner surface portion in which a contact portion other than the non-contact portion of the large-diameter shaft portion is in a non-contact state is provided in the fitted portion, and a contact inner surface portion of the fitted portion with respect to the contact portion of the large-diameter shaft portion 5. The structure according to claim 1, wherein a buffering action is generated at the time of relative rotation between the large-diameter shaft portion and the fitted portion by contact frictional resistance that occurs only when the two contact each other. The hinge device according to item. 前記径大軸部の外面に切欠状部分を形成して断面径が径小となる前記非接触部を設けたことを特徴とする請求項５記載のヒンジ装置。   6. The hinge device according to claim 5, wherein a non-contact portion having a small cross-sectional diameter is formed by forming a notch-like portion on an outer surface of the large-diameter shaft portion. 前記被嵌体に相対回動自在にして圧嵌状態に嵌挿連結する回動部を前記径大軸部と隣接状態に設け、前記径大軸部と前記被嵌部との所定角度の回動範囲における相対回動に際し、前記径大軸部に設けた作用部が前記回動部に設けた被作用部に当接することで前記径大軸部と前記回動部とが共同回動することで緩衝力が増大する緩衝力増大機構を設けたことを特徴とする特徴とする請求項１〜６のいずれか１項に記載のヒンジ装置。   A rotating portion that is relatively rotatable with respect to the fitted body and is fitted and connected in a press-fit state is provided adjacent to the large-diameter shaft portion, and a rotation of a predetermined angle between the large-diameter shaft portion and the fitted portion. In the relative rotation in the moving range, the large-diameter shaft portion and the rotation portion rotate together by the action portion provided in the large-diameter shaft portion coming into contact with the actuated portion provided in the rotation portion. The hinge apparatus according to claim 1, further comprising a buffering force increasing mechanism that increases the buffering force. 前記回動部は、前記被嵌体に圧嵌状態で嵌挿連結されることを特徴とする請求項７記載のヒンジ装置。   The hinge device according to claim 7, wherein the rotating portion is fitted and connected to the fitted body in a press-fit state. 第一部材と第二部材とを枢着するヒンジ装置であって、前記第二部材と共に回動する第二取付体に設けた軸受部で軸受される軸部を前記第一部材と共に回動する第一取付体に設け、この第一取付体に設けたカム部に係合するカム係合部を第二取付体に設け、このカム部とカム係合部とが係合状態のとき第一部材と第二部材とが回動ロックされるように構成し、このカム係合部を係合離反方向に移動するよう前記軸部にスライド移動自在に設けると共に、このカム係合部を係合方向に付勢する係合付勢機構を備え、前記第一部材と第二部材との相対回動に伴い、このカム部とカム係合部とが前記係合付勢機構の係合付勢により落ち込み係合することで相対回動付勢力が生じるように構成されており、前記軸受部で軸受される部位よりも径大な径大軸部を前記軸部に設け、この径大軸部に相対回動自在に被嵌連結する被嵌部を前記第二部材と共に回動する被嵌体に設け、この径大軸部に対する前記被嵌部の接触摩擦抵抗により前記径大軸部と前記被嵌部との相対回動に際して緩衝作用が生じるように構成されていることを特徴とするヒンジ装置。   A hinge device for pivotally attaching a first member and a second member, wherein a shaft portion supported by a bearing portion provided on a second mounting body that rotates together with the second member rotates together with the first member. A cam engagement portion provided on the first attachment body and engaged with a cam portion provided on the first attachment body is provided on the second attachment body. When the cam portion and the cam engagement portion are in an engaged state, the first attachment body is provided. The member and the second member are configured to be rotationally locked. The cam engagement portion is slidably provided on the shaft portion so as to move in the engagement / disengagement direction, and the cam engagement portion is engaged. An engagement urging mechanism for urging in the direction, and the cam portion and the cam engagement portion are engaged and urged by the engagement urging mechanism as the first member and the second member rotate relative to each other. It is configured to generate a relative rotational biasing force by being engaged by being depressed, and has a diameter larger than that of the portion supported by the bearing portion. A shaft portion is provided on the shaft portion, and a fitting portion that is fitted and connected to the large-diameter shaft portion so as to be relatively rotatable is provided on a fitting body that rotates together with the second member. A hinge device characterized in that a buffering action is generated at the time of relative rotation between the large-diameter shaft portion and the fitted portion by contact frictional resistance of the fitting portion. 前記第一取付体に設けられる軸部を前記第二取付体に貫通状態に設け、この第二取付体から突出する前記軸部の突出部位に前記径大軸部を設け、この径大軸部の径は第二取付体の外径と同一径若しくは略同一径に設定されていることを特徴とする請求項９記載のヒンジ装置。   A shaft portion provided in the first mounting body is provided in a penetrating state in the second mounting body, and the large-diameter shaft portion is provided in a protruding portion of the shaft portion protruding from the second mounting body. The hinge device according to claim 9, wherein the diameter is set to be the same as or substantially the same as the outer diameter of the second attachment body. 操作部を設けた本体部と、ディスプレイ部を設けた重合部とを、前記操作部を操作しない時にはこの操作部を覆うように重合配設し、この重合した状態から前記重合部を相対的に回動して前記操作部を露出させることができるように、前記本体部と前記重合部とを回動自在に連結するヒンジ装置を有し、このヒンジ装置には、前記本体部を前記第二部材若しくは第一部材とし、前記重合部を前記第一部材若しくは第二部材とした前記請求項１〜１０のいずれか１項に記載のヒンジ装置を用いた電子機器。   A main body part provided with an operation part and a superposition part provided with a display part are arranged so as to cover the operation part when the operation part is not operated, and the superposition part is relatively moved from the superposed state. A hinge device that pivotably connects the main body portion and the overlapping portion so that the operation portion can be exposed by rotating; the hinge device includes the second main body portion; The electronic device using the hinge device according to any one of claims 1 to 10, wherein the hinge device is the member or the first member, and the overlapping portion is the first member or the second member.
JP2006324453A 2006-11-30 2006-11-30 HINGE DEVICE AND ELECTRONIC DEVICE USING HINGE DEVICE Expired - Fee Related JP4455573B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011047505A (en) * 2009-08-28 2011-03-10 Strawberry Corporation Hinge device and electronic equipment using hinge device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011047505A (en) * 2009-08-28 2011-03-10 Strawberry Corporation Hinge device and electronic equipment using hinge device

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