JP4427170B2

JP4427170B2 - Hinge device

Info

Publication number: JP4427170B2
Application number: JP2000217982A
Authority: JP
Inventors: 木健鈴; 本隆森; 村久雄中
Original assignee: NHK Spring Co Ltd
Current assignee: NHK Spring Co Ltd
Priority date: 2000-07-18
Filing date: 2000-07-18
Publication date: 2010-03-03
Anticipated expiration: 2020-07-18
Also published as: JP2002039160A

Description

【０００１】
【発明の属する技術分野】
本発明は、ＯＡ製品などの蓋体と本体のような２つの部材を開閉可能に連結するヒンジ装置に関し、特に、電子手帳、携帯電話及び化粧用コンパクト等の携帯用品に適用して最適なヒンジ装置に関する。
【０００２】
【従来の技術】
従来、携帯電話、電子手帳等において、携帯時に誤ってキーパネルを押してしまったり、液晶画面を傷つけることがないようにしたり、小さくするために本体と蓋体のような２つの部材を開閉可能とする２つ折り構造のものが提供されており、この２つ折り構造としては、２つの部材をヒンジ装置で開閉可能に連結するものが採用されている。
このヒンジ装置としては、従来、特開平８−３１７０２５号公報及び特開２０００−１７９３２号公報に示されているように、一対のカムが、互いの軸線を一致させて、相対回転可能にかつ互いに接近、離間可能に設けられ、これらのカムのカム面がばねによって互いに密接するように付勢されてなり、両カムが相対的に回転することにより、前記両カムがそれらの軸線に沿って相対的に移動して、両カム相互の角度関係を変更するものが一般的である。
【０００３】
【発明が解決しようとする課題】
しかしながら、従来のヒンジ装置は、部品点数が多く、構造も複雑である課題がある。例えば、特開平８−３１７０２５号公報に記載されたヒンジ装置においては、筒状部材、ばね、カム、カムホロワ及びキャップ等の部品が必要となり、その構造も複雑であり、また、特開２０００−１７９３２号公報に記載されたヒンジ装置でも、可動側カム、固定側カム、ばね及びガイドホルダ等の部品が必要であり、その構造も複雑である。
【０００４】
このように部品点数が多く、構造が複雑であると、製造に手数がかかるし、製造費も蒿み高価となるし、部品の組み付けも手数を要し、精度よく組み付けるとなると大変である。特に、小形製品となると、それぞれの部品も小さくなるので精度をだしての組み付けは一層困難となる。また、部品点数が多いとさらに軽量、小型化するには難しくなる課題がある。
【０００５】
本発明は、このような点に鑑みてなされたものであり、その目的とするところは、構造が簡単で部品点数も少なく、組み付けも容易であり、さらにより軽量、小型化が可能であり、しかも安価なヒンジ装置を提供することにある。
【０００６】
【課題を解決するための手段】
前記課題を解決するため、固定側及び可動側の、一方に位置するヒンジ軸と、他方に位置するＵ字状板ばねとが、相対回転可能に設置され、
ヒンジ軸は大径部と小径部とよりなり、Ｕ字状板ばねはヒンジ軸の小径部に、一側は大径部と小径部との段部に規制され、他側はヒンジ軸の小径部端に取り付けられたピンまたはＥリングにて規制され、前記ヒンジ軸の軸線方向に付勢力が作用して前記段部およびピンまたはＥリングに密接するように設けられ、
ヒンジ軸の前記段部とＵ字状板ばねの互いに接する面がカム面に形成され、
ヒンジ軸とＵ字状板ばねとの相対回転で、カム面によりＵ字状板ばねの付勢力の強弱に応じた回転トルクを得ると共に、クリック感を得ることを特徴とする。
【０００７】
また、本発明の請求項２のヒンジ装置は、前記ヒンジ軸の大径部と小径部との段部を、Ｕ字状板ばねと接触する固定面とすることを特徴とする。
【０００８】
また、本発明の請求項３のヒンジ装置は、固定側及び可動側の、一方に位置するヒンジ軸と、他方に位置するＵ字状板ばねとが、相対回転可能に設置され、
固定側及び可動側の、一方に位置するヒンジ軸と、他方に位置するＵ字状板ばねとが、相対回転可能に設置され、
ヒンジ軸は大径部と小径部とよりなり、Ｕ字状板ばねは、ヒンジ軸の小径部に、一側は大径部と小径部との段部に規制され、他側は前記ヒンジ軸の小径部端に取り付けられたピンにて規制され、ヒンジ軸の軸線方向に付勢力が作用し段部及びピンに密接するように設けられ、Ｕ字状板ばねのピンとの接触面は、ピンが嵌入できる凹部を有するカム面に形成され、
ヒンジ軸とＵ字状板ばねとの相対回転でカム面によりＵ字状板ばねの付勢力の強弱に応じた回転トルクを得ると共に、カム面の凹部にピンが嵌入する位置においてクリック感を得ることを特徴とする。
【０００９】
【発明の実施の形態】
以下、本発明の実施の形態を図面と共に詳細に説明する。図１は本発明の実施の形態を示す折り畳み可能な携帯電話の斜視図、図２及び図３は図１のＡ−Ａ線断面図であり、図２は全開及び全閉時、図３は開閉途中時のものである。
【００１０】
同図において、１は折り畳み可能な携帯電話を示し、各種機能のキー等が配設された本体（固定側）２と、液晶表示部が設けられた蓋体（可動側）３とが、ヒンジ装置４で開閉可能に連結されている。ヒンジ装置４は図２及び図３に示すようにヒンジ軸５とＵ字状板ばね６とピン７とで構成される。
【００１１】
このヒンジ軸５、Ｕ字状板ばね６及びピン７の構成は、図４で斜視図で、図５で分解斜視図で示している。
ヒンジ軸５は、大径部５ａと小径部５ｂとよりなり、大径部５ａは平面９が形成された非円形に構成されており、この大径部５ａに蓋体（可動側）３が回転不能に固定されている。従って、蓋体３の開閉によりヒンジ軸５は同期回転される。
【００１２】
前記Ｕ字状板ばね６は、前記ヒンジ軸５の小径部５ｂに、一側６ａは大径部５ａと小径部５ｂとの段部８に規制され、他端はピン７にて規制されて設けられ、Ｕ字状板ばね６はヒンジ軸５の軸線方向に付勢力が作用し段部８及びピン７に密接するようになっている。前記ピン７は、ヒンジ軸５の小径部５ｂに穿設されたピン孔１０に挿入されて設けられている。このＵ字状板ばね６は、本体（固定側）２に固定（回転不可）されているが、ヒンジ軸５とは相対回転可能となっている。従って、本体２を持って蓋体３を開閉することも、蓋体３を持って本体２側を開閉することも可能となる。
【００１３】
前記Ｕ字状板ばね６のピン７との接触面は、ピン７が嵌入できる凹部１２（図５参照）を有するカム面１１に形成されている。従って、Ｕ字状板ばね６に対しヒンジ軸５を回転すると、ピン７がカム面１１に作用し、Ｕ字状板ばね６を側面６ｂから押圧することになるから、カム面１１の形状に対応してＵ字状板ばね６の付勢力の強弱に対応する回転トルクが得られ、ピン７がカム面１１の凹部１２に嵌入するとＵ字状板ばね６の付勢力が瞬時に解除されてクリック感を得られる。
【００１４】
前記Ｕ字状板ばね６の付勢力の強弱は、段部８及びピン７との摩擦力の強弱となってヒンジ軸５に伝達される。従って、ヒンジ軸５には蓋体３が固定されているため、蓋体３の開閉時には、蓋体３は、Ｕ字状板ばね６の付勢力の強弱に対応する回転トルクとピン７がカム面１１の凹部１２に嵌入するときのクリック感を得ることができる。また、カム形状により全開、全閉の間でのＵ字状板ばね６に初期荷重を加えることにより、全開又は全閉位置に自動させることが可能である。図２は蓋体３が全開及び全閉の状態であり、図３は蓋体３の開閉途中の状態である。すなわち、図２の全開及び全閉の状態は、初期トルクをかけた設定時の状態であり、図３はＵ字状板ばね６が圧縮され、ばね荷重が作用された状態であり、図２のＨ₁の幅が図３のＨ₂に圧縮されている。
【００１５】
図６乃至図８は本発明の他の実施の形態を示し、図６は一部切欠正面図、図７は斜視図、図８は分解斜視図であり、前記実施の形態と同一構成要素には同一符号を付して説明する。
この実施の形態は、ヒンジ軸５が、大径部５ａと小径部５ｂとよりなり、大径部５ａと小径部５ｂとの段部を、Ｕ字状板ばね６と接触する固定面１３とし、Ｕ字状板ばね６は前記ヒンジ軸５に、その軸線方向に付勢力が作用してヒンジ軸５の固定面１３に密接するように設けられ、ヒンジ軸５の固定面１３とＵ字状板ばね６の互いに接する面に、一方と他方で互いに対応するカム（凹部）１４と凸部１５が形成され、ヒンジ軸５とＵ字状板ばね６との相対回転で前記カム１４と凸部１５の位置がずれ、Ｕ字状板ばね６の付勢力の強弱に対応する回転トルクが得られると共に、カム（凹部）１４と凸部１５が合致した位置においてクリック感を得ることができる点に特徴があり、他は前記実施の形態と同様である。
【００１６】
また、この実施の形態においては、Ｕ字状板ばね６は、一側はヒンジ軸５の固定面１３で規制され、他側はＥリング１６で規制され、カム（凹部）１４がヒンジ軸５の固定面１３に、凸部１５がＵ字状板ばね６に設けられており、Ｕ字状板ばね６に対しヒンジ軸５を回転させると、カム（凹部）１４と凸部１５の位置がずれ、Ｕ字状板ばね６は凸部１５のために押圧され付勢力が強くなり、カム（凹部）１４と凸部１５の位置が合致すると凸部１５がカム（凹部）１４に嵌入するので、Ｕ字状板ばね６の付勢力は瞬時に解除されてクリック感を生ずる。そして、蓋体はヒンジ軸５に固定されていることから、蓋体の開閉時には、ヒンジ軸５を介してＵ字状板ばね６の付勢力の変化及びクリック感が伝達される。尚、符号１７はＥリング１６を装着するための溝である。
【００１７】
また、カム（凹部）１４と凸部１５は、逆に設けてもよい。すなわち、カム１４を凸部とし、Ｕ字状板ばね６を凹部としてもよい。
さらに、本発明においては、Ｕ字状板ばね６に切欠１８を設けることによって荷重特性を調整することができる。この切欠１８の大きさ、形状は、どのような荷重特性にするかによって選択する。
【００１８】
【発明の効果】
以上詳細に説明した通り、本発明のヒンジ装置によればヒンジ軸とＵ字状板ばね、またはこれにピンを加えた部品だけで、ばねの付勢力の強弱及びクリック感を得られるものであり、次のような効果を奏する。
（１）簡単な構造で、部品点数が少ないので、組み付けに手数もかからず容易となるし、精度のよい組み付けが可能となり、品質が向上する。
（２）構造が簡単なので製造が容易となるし、部品点数が少ないので、全体に安価となる。
（３）簡単な構造で、部品点数が少ないので、より軽量、小型化が可能となる。
（４）容易に荷重特性を調整できるので、広い範囲の開閉部材の荷重に対応し得る。
【図面の簡単な説明】
【図１】本発明の実施の形態を示す折り畳み可能な携帯電話の斜視図である。
【図２】図１のＡ−Ａ線断面図である。
【図３】図１のＡ−Ａ線断面図で、蓋体の開閉途中の状態を示す。
【図４】本発明の実施の形態を示すヒンジ装置の斜視図である。
【図５】本発明の実施の形態を示すヒンジ装置の分解斜視図である。
【図６】本発明の他の実施の形態のヒンジ装置を示す一部切欠正面図である。
【図７】本発明の他の実施の形態のヒンジ装置を示す斜視図である。
【図８】本発明の他の実施の形態のヒンジ装置を示す分解斜視図である。
【符号の説明】
１折り畳み可能な携帯電話
２本体
３蓋体
４ヒンジ装置
５ヒンジ軸
５ａ大径部
５ｂ小径部
６Ｕ字状板ばね
７ピン
８段部
１１カム面
１２凹部
１３固定面
１４凹部
１５凸部
１６Ｅリング
１８切欠[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a hinge device that connects two members such as a cover body and a main body of an OA product so as to be openable and closable, and is particularly suitable for application to portable items such as an electronic notebook, a cellular phone, and a cosmetic compact. Relates to the device.
[0002]
[Prior art]
Conventionally, in mobile phones, electronic notebooks, etc., it is possible to open and close two members such as the main body and lid so as not to accidentally press the key panel when carrying, damage the liquid crystal screen, etc. A two-fold structure is provided, in which two members are connected by a hinge device so as to be opened and closed.
Conventionally, as shown in Japanese Patent Laid-Open Nos. 8-317025 and 2000-17932, the hinge device includes a pair of cams that are mutually rotatable with their axes aligned with each other. The cam surfaces of these cams are urged so as to be in close contact with each other by a spring, and the two cams rotate relative to each other so that the cams are relatively moved along their axes. It is common to change the angular relationship between the two cams by moving in a normal manner.
[0003]
[Problems to be solved by the invention]
However, the conventional hinge device has a problem that the number of parts is large and the structure is complicated. For example, in the hinge device described in JP-A-8-317025, components such as a cylindrical member, a spring, a cam, a cam follower, and a cap are required, and the structure thereof is complicated, and JP-A 2000-17932 is disclosed. Even the hinge device described in the publication requires components such as a movable cam, a fixed cam, a spring, and a guide holder, and the structure thereof is also complicated.
[0004]
If the number of parts is large and the structure is complicated, manufacturing takes time, manufacturing costs are high, and parts are time-consuming and difficult to assemble. In particular, in the case of a small product, each part becomes smaller, so that the assembly with high accuracy becomes more difficult. Further, when the number of parts is large, there is a problem that it is difficult to further reduce the weight and size.
[0005]
The present invention has been made in view of such points, and the object of the present invention is a simple structure, a small number of parts, easy assembly, and further light weight and downsizing. In addition, an inexpensive hinge device is provided.
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, a hinge shaft located on one side of the fixed side and the movable side and a U-shaped leaf spring located on the other side are installed so as to be relatively rotatable,
The hinge shaft consists of a large-diameter part and a small-diameter part. The U-shaped leaf spring is regulated by the small-diameter part of the hinge shaft, one side is regulated by the step part of the large-diameter part and the small-diameter part, and the other side is regulated by the small-diameter part of the hinge shaft. It is regulated by a pin or E ring attached to the end of the part, and a biasing force acts in the axial direction of the hinge shaft so as to be in close contact with the step part and the pin or E ring.
The surface of the hinge shaft and the U-shaped leaf spring contacting each other is formed on the cam surface,
In the relative rotation of the hinge shaft and the U-shaped leaf spring, characterized in that together with obtaining a rotational torque corresponding to the intensity of the biasing force of the U-shaped leaf spring by the cam surface, to obtain a feeling of click.
[0007]
The hinge device according to claim 2 of the present invention is characterized in that the stepped portion of the large- diameter portion and the small-diameter portion of the hinge shaft is a fixed surface that contacts the U-shaped leaf spring.
[0008]
In the hinge device according to claim 3 of the present invention, the hinge shaft located on one side of the fixed side and the movable side and the U-shaped leaf spring located on the other side are installed so as to be relatively rotatable,
A hinge shaft located on one side of the fixed side and the movable side and a U-shaped leaf spring located on the other side are installed so as to be relatively rotatable,
The hinge shaft is composed of a large-diameter portion and a small-diameter portion, and the U-shaped leaf spring is restricted to the small-diameter portion of the hinge shaft, one side is restricted to the step portion of the large-diameter portion and the small-diameter portion, and the other side is the hinge shaft It is regulated by a pin attached to the end of the small-diameter portion, and is provided so that an urging force acts in the axial direction of the hinge shaft so as to be in close contact with the step portion and the pin. Is formed on the cam surface having a recess that can be inserted ,
The relative rotation between the hinge shaft and the U-shaped leaf spring provides a rotational torque according to the strength of the urging force of the U-shaped leaf spring by the cam surface, and a click feeling at the position where the pin is inserted into the concave portion of the cam surface. It is characterized by that.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 is a perspective view of a foldable mobile phone showing an embodiment of the present invention, FIGS. 2 and 3 are sectional views taken along line AA of FIG. 1, FIG. 2 is when fully opened and fully closed, and FIG. It is a thing in the middle of opening and closing.
[0010]
In the figure, reference numeral 1 denotes a foldable mobile phone. A main body (fixed side) 2 provided with keys and the like for various functions and a lid (movable side) 3 provided with a liquid crystal display unit are hinged. The device 4 is connected so as to be openable and closable. As shown in FIGS. 2 and 3, the hinge device 4 includes a hinge shaft 5, a U-shaped leaf spring 6, and a pin 7.
[0011]
The configuration of the hinge shaft 5, the U-shaped leaf spring 6 and the pin 7 is shown in a perspective view in FIG. 4 and in an exploded perspective view in FIG.
The hinge shaft 5 includes a large-diameter portion 5a and a small-diameter portion 5b. The large-diameter portion 5a is configured in a non-circular shape having a flat surface 9. A lid (movable side) 3 is formed on the large-diameter portion 5a. It is fixed so that it cannot rotate. Therefore, the hinge shaft 5 is rotated synchronously by opening and closing the lid 3.
[0012]
The U-shaped leaf spring 6 is regulated by a small diameter portion 5b of the hinge shaft 5, one side 6a is regulated by a step portion 8 of a large diameter portion 5a and a small diameter portion 5b, and the other end is regulated by a pin 7. The U-shaped leaf spring 6 is provided with a biasing force in the axial direction of the hinge shaft 5 so as to be in close contact with the step portion 8 and the pin 7. The pin 7 is provided by being inserted into a pin hole 10 formed in the small diameter portion 5 b of the hinge shaft 5. The U-shaped leaf spring 6 is fixed (non-rotatable) to the main body (fixed side) 2 but is rotatable relative to the hinge shaft 5. Accordingly, it is possible to open and close the lid 3 with the main body 2 and open and close the main body 2 with the lid 3.
[0013]
The contact surface of the U-shaped leaf spring 6 with the pin 7 is formed on a cam surface 11 having a recess 12 (see FIG. 5) in which the pin 7 can be fitted. Therefore, when the hinge shaft 5 is rotated with respect to the U-shaped plate spring 6, the pin 7 acts on the cam surface 11 and presses the U-shaped plate spring 6 from the side surface 6b. Correspondingly, a rotational torque corresponding to the strength of the urging force of the U-shaped leaf spring 6 is obtained, and when the pin 7 is fitted into the recess 12 of the cam surface 11, the urging force of the U-shaped leaf spring 6 is instantaneously released. Click feeling can be obtained.
[0014]
The strength of the urging force of the U-shaped leaf spring 6 is transmitted to the hinge shaft 5 as the strength of the frictional force between the step portion 8 and the pin 7. Accordingly, since the lid 3 is fixed to the hinge shaft 5, when the lid 3 is opened and closed, the lid 3 has a rotational torque corresponding to the strength of the urging force of the U-shaped leaf spring 6 and the pin 7 is camged. A click feeling when fitted into the recess 12 of the surface 11 can be obtained. Further, by applying an initial load to the U-shaped leaf spring 6 between the fully open and fully closed state by the cam shape, it is possible to automatically make the fully open or fully closed position. 2 shows a state in which the lid 3 is fully opened and fully closed, and FIG. 3 shows a state in which the lid 3 is being opened and closed. That is, the fully open and fully closed states in FIG. 2 are the states at the time of setting with initial torque applied, and FIG. 3 is the state in which the U-shaped leaf spring 6 is compressed and a spring load is applied. The width of H ₁ is compressed to H ₂ in FIG.
[0015]
6 to 8 show another embodiment of the present invention. FIG. 6 is a partially cutaway front view, FIG. 7 is a perspective view, and FIG. 8 is an exploded perspective view. Are described with the same reference numerals.
In this embodiment, the hinge shaft 5 is composed of a large-diameter portion 5a and a small-diameter portion 5b, and a step portion between the large-diameter portion 5a and the small-diameter portion 5b is used as a fixed surface 13 that contacts the U-shaped leaf spring 6. The U-shaped leaf spring 6 is provided on the hinge shaft 5 so as to be in close contact with the fixed surface 13 of the hinge shaft 5 by applying an urging force in the axial direction thereof. Cams (concave portions) 14 and convex portions 15 corresponding to one another and the other are formed on the surfaces of the leaf springs 6 in contact with each other, and the cam 14 and the convex portions are caused by relative rotation between the hinge shaft 5 and the U-shaped leaf spring 6. 15 is displaced, a rotational torque corresponding to the strength of the urging force of the U-shaped leaf spring 6 is obtained, and a click feeling can be obtained at a position where the cam (concave portion) 14 and the convex portion 15 coincide. Other features are the same as in the above embodiment.
[0016]
In this embodiment, the U-shaped leaf spring 6 is regulated on one side by the fixed surface 13 of the hinge shaft 5, on the other side by the E ring 16, and on the cam (concave) 14 by the hinge shaft 5. On the fixed surface 13, a convex portion 15 is provided on the U-shaped leaf spring 6. When the hinge shaft 5 is rotated with respect to the U-shaped leaf spring 6, the positions of the cam (concave portion) 14 and the convex portion 15 are changed. The U-shaped leaf spring 6 is pressed by the convex portion 15 and the urging force is increased. When the positions of the cam (concave portion) 14 and the convex portion 15 match, the convex portion 15 fits into the cam (concave portion) 14. The urging force of the U-shaped leaf spring 6 is released instantaneously to produce a click feeling. Since the lid is fixed to the hinge shaft 5, a change in urging force of the U-shaped leaf spring 6 and a click feeling are transmitted via the hinge shaft 5 when the lid is opened and closed. Reference numeral 17 denotes a groove for mounting the E-ring 16.
[0017]
The cam (concave portion) 14 and the convex portion 15 may be provided in reverse. That is, the cam 14 may be a convex portion and the U-shaped leaf spring 6 may be a concave portion.
Further, in the present invention, the load characteristic can be adjusted by providing the U-shaped leaf spring 6 with the notch 18. The size and shape of the notch 18 are selected depending on the load characteristics.
[0018]
【The invention's effect】
As described above in detail, according to the hinge device of the present invention, the strength and click feeling of the spring biasing force can be obtained with only the hinge shaft and the U-shaped leaf spring, or a component obtained by adding a pin to the hinge shaft. The following effects are obtained.
(1) Since the structure is simple and the number of parts is small, it is easy and easy to assemble, and it is possible to assemble with high accuracy and improve the quality.
(2) Since the structure is simple, the manufacturing is easy, and the number of parts is small, so the whole is inexpensive.
(3) Since it has a simple structure and a small number of parts, it is possible to reduce the weight and size.
(4) Since the load characteristics can be easily adjusted, it is possible to cope with a wide range of loads of the opening / closing members.
[Brief description of the drawings]
FIG. 1 is a perspective view of a foldable mobile phone according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view taken along line AA in FIG.
3 is a cross-sectional view taken along line AA in FIG. 1, showing a state in the middle of opening and closing of the lid.
FIG. 4 is a perspective view of a hinge device showing an embodiment of the present invention.
FIG. 5 is an exploded perspective view of the hinge device showing the embodiment of the present invention.
FIG. 6 is a partially cutaway front view showing a hinge device according to another embodiment of the present invention.
FIG. 7 is a perspective view showing a hinge device according to another embodiment of the present invention.
FIG. 8 is an exploded perspective view showing a hinge device according to another embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Foldable mobile phone 2 Main body 3 Cover body 4 Hinge device 5 Hinge shaft 5a Large diameter part 5b Small diameter part 6 U-shaped leaf spring 7 Pin 8 Step part 11 Cam surface 12 Concave part 13 Fixed surface 14 Concave part 15 Convex part 16 E Ring 18 notch

Claims

固定側及び可動側の、一方に位置するヒンジ軸と、他方に位置するＵ字状板ばねとが、相対回転可能に設置され、
ヒンジ軸は大径部と小径部とよりなり、Ｕ字状板ばねはヒンジ軸の小径部に、一側は大径部と小径部との段部に規制され、他側はヒンジ軸の小径部端に取り付けられたピンまたはＥリングにて規制され、前記ヒンジ軸の軸線方向に付勢力が作用して前記段部およびピンまたはＥリングに密接するように設けられ、
ヒンジ軸の前記段部とＵ字状板ばねの互いに接する面がカム面に形成され、
ヒンジ軸とＵ字状板ばねとの相対回転で、カム面によりＵ字状板ばねの付勢力の強弱に応じた回転トルクを得ると共に、クリック感を得ることを特徴とするヒンジ装置。A hinge shaft located on one side of the fixed side and the movable side and a U-shaped leaf spring located on the other side are installed so as to be relatively rotatable,
The hinge shaft consists of a large-diameter part and a small-diameter part, the U-shaped leaf spring is restricted to the small-diameter part of the hinge shaft, one side is restricted to the step part of the large-diameter part and the small-diameter part, and the other side is the small-diameter of the hinge shaft It is regulated by a pin or E ring attached to the end of the part, and a biasing force acts in the axial direction of the hinge shaft so as to be in close contact with the stepped part and the pin or E ring.
The surface of the hinge shaft and the U-shaped leaf spring contacting each other is formed on the cam surface,
In the relative rotation of the hinge shaft and the U-shaped plate spring, a hinge device, characterized in that together with obtaining a rotational torque corresponding to the intensity of the biasing force of the U-shaped leaf spring by the cam surface, to obtain a feeling of click.

前記ヒンジ軸の大径部と小径部との段部を、Ｕ字状板ばねと接触する固定面とす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 a step portion between the large- diameter portion and the small-diameter portion of the hinge shaft is a fixed surface that contacts the U-shaped leaf spring.

固定側及び可動側の、一方に位置するヒンジ軸と、他方に位置するＵ字状板ばねとが、相対回転可能に設置され、
ヒンジ軸は大径部と小径部とよりなり、Ｕ字状板ばねは、ヒンジ軸の小径部に、一側は大径部と小径部との段部に規制され、他側は前記ヒンジ軸の小径部端に取り付けられたピンにて規制され、ヒンジ軸の軸線方向に付勢力が作用し段部及びピンに密接するように設けられ、Ｕ字状板ばねのピンとの接触面は、ピンが嵌入できる凹部を有するカム面に形成され、
ヒンジ軸とＵ字状板ばねとの相対回転でカム面によりＵ字状板ばねの付勢力の強弱に応じた回転トルクを得ると共に、カム面の凹部にピンが嵌入する位置においてクリック感を得ることを特徴とするヒンジ装置。A hinge shaft located on one side of the fixed side and the movable side and a U-shaped leaf spring located on the other side are installed so as to be relatively rotatable,
The hinge shaft is composed of a large diameter portion and a small diameter portion, and the U-shaped leaf spring is restricted to the small diameter portion of the hinge shaft, one side is regulated by the step portion of the large diameter portion and the small diameter portion, and the other side is the hinge shaft. It is regulated by a pin attached to the end of the small diameter portion of the pin, and is provided so that an urging force acts in the axial direction of the hinge shaft so as to be in close contact with the step portion and the pin. Is formed on the cam surface having a recess that can be inserted ,
The relative rotation between the hinge shaft and the U-shaped leaf spring obtains a rotational torque according to the strength of the urging force of the U-shaped leaf spring by the cam surface, and a click feeling at the position where the pin fits into the concave portion of the cam surface. The hinge apparatus characterized by the above-mentioned.