JP2873606B2 - Hinge device - Google Patents

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明は回転部材が回転付勢部材で回転させられる蝶
番装置に関する。Description: TECHNICAL FIELD The present invention relates to a hinge device in which a rotating member is rotated by a rotation urging member.

この蝶番装置は、小型で軽量な化粧用コンパクトケー
スから大型で重量のある門扉まで種々のものに共通して
使用できる。This hinge device can be commonly used for various things, from a small and lightweight cosmetic compact case to a large and heavy gate.

［従来の技術］ この種の蝶番装置としては、化粧用コンパクトケー
ス，ラジオカセット，あるいは自動車のダッシュボード
等に代表される水平軸タイプのものと、キャビネット
蓋，玄関ドアあるいは門扉ドアに代表される垂直軸タイ
プのものとがある。[Background Art] As this type of hinge device, a horizontal axis type represented by a compact case for makeup, a radio cassette, or a dashboard of an automobile, and a cabinet lid, an entrance door or a gate door are represented. There is a vertical axis type.

このような従来の蝶番装置は付勢手段としてのばね
と、該ばねの付勢力を緩和するスピードコントロール手
段が設けられており、回転体はばねの付勢力にも拘らず
緩回転するようになっている。このときに用いるスピー
ドコントロール手段は回転体の枢支部と固定体の間に粘
性グリスが封入された構造になっている。Such a conventional hinge device is provided with a spring as urging means and a speed control means for relaxing the urging force of the spring, and the rotating body rotates slowly despite the urging force of the spring. ing. The speed control means used at this time has a structure in which viscous grease is sealed between the pivot of the rotating body and the fixed body.

［発明が解決しようとする課題］ しかしながら、従来のスピードコントロール手段は付
勢手段に抵抗する充分な抵抗力を得るには回転体及び固
定体と粘性グリスとの充分広い接触面積が必要となり、
勢い装置が大型化するという問題点があった。[Problems to be Solved by the Invention] However, the conventional speed control means needs a sufficiently large contact area between the rotating body and the fixed body and the viscous grease to obtain a sufficient resistance force against the urging means.
There was a problem that the momentum device became large.

また、粘性グリスのみによる従来のスピードコントロ
ール手段は温度等の環境変化でグリス特性が変化し常に
一定の特性が得られないと云う問題点をも有していた。Further, the conventional speed control means using only viscous grease also has a problem that the grease characteristics change due to environmental changes such as temperature, so that constant characteristics cannot always be obtained.

本発明は上記した事情に鑑みてなされたものであり、
その目的は装置全体のコンパクト化と共に環境変化に影
響されることなく一定の特性を得ることができる蝶番装
置を提供するにある。The present invention has been made in view of the above circumstances,
An object of the present invention is to provide a hinge device capable of obtaining a certain characteristic without being affected by environmental changes as well as making the entire device compact.

［課題を解決するための手段］ 上記目的を達成するため、本発明の蝶番装置は回転部
材の枢支構造が固定部材側に形成された雌ねじ部とこの
雌ねじ部に一端側が螺合されかつ他端側が前記回転部材
内に回転を拘束されて摺動可能に設けられた雄ねじ部材
とからなり、前記雄ねじ部材と回転部材との間に回転部
材を回転付勢する回転付勢部材が挿入されていることを
特徴としている。[Means for Solving the Problems] In order to achieve the above object, a hinge device according to the present invention has a female screw part having a pivoting structure of a rotating member formed on a fixed member side, one end of which is screwed to the female screw part, and The end side comprises a male screw member slidably provided with the rotation restricted within the rotary member, and a rotation urging member for rotationally urging the rotation member is inserted between the male screw member and the rotation member. It is characterized by having.

そして、前記雄ねじ部材と前記雌ねじ部との螺合部位
には粘性グリスが封入されていても良い。Then, viscous grease may be sealed in a threaded portion between the male screw member and the female screw portion.

［作 用］ 回転部材は固定部材に対して雄ねじ部材を枢軸として
回転するが、回転部材を回転させる回転付勢部材の付勢
力は雄ねじ部材と雌ねじ部との螺合部位、雄ねじ部材と
回転部材との摺動部位及び回転付勢部材と雄ねじ部材と
の摺動部位における摩擦力によって抑制され、回転部材
の固定部材に対するフリーストップ機能をより確実なも
のとすることができる。[Operation] The rotating member rotates about the male screw member as a pivot with respect to the fixed member, and the urging force of the rotation urging member for rotating the rotating member is a screwing portion between the male screw member and the female screw portion, a male screw member and the rotating member. This is suppressed by the frictional force at the sliding portion between the rotating member and the sliding portion between the rotation urging member and the male screw member, and the free stop function of the rotating member with respect to the fixing member can be further ensured.

また、雄ねじ部材と雌ねじ部との螺合部位に封入され
る粘性グリスは回転部材の回動に際して粘性抵抗を示
す。Further, the viscous grease sealed in the threaded portion between the male screw member and the female screw portion exhibits viscous resistance when the rotating member rotates.

［実施例］ 以下、本発明の一実施例を第１図乃至第12図に基づい
て説明する。Embodiment One embodiment of the present invention will be described below with reference to FIGS. 1 to 12.

固定部材１の一方の固定端２の中央部には左右両側に
一条づつの係合溝3aを有する軸穴３が穿設されている
（第２図参照）。回転部材４の回転端５の中央部には左
右両側に一条づつの貫通溝6aを有する貫通孔６が穿設さ
れる（第５図参照）と共に、後述する雄ねじ部材に臨む
側の回転端５の端部には貫通孔６より大径で左右両側に
一条づつの係合突起7aを有する軸穴７が形成されている
（第６図参照）。A shaft hole 3 having one engaging groove 3a on each of the left and right sides is formed in the center of one fixed end 2 of the fixing member 1 (see FIG. 2). At the center of the rotating end 5 of the rotating member 4, a through hole 6 having one through groove 6 a on each of the left and right sides is formed (see FIG. 5), and the rotating end 5 on the side facing the male screw member described later. A shaft hole 7 having a diameter larger than that of the through hole 6 and having a pair of engaging projections 7a on both left and right sides is formed at the end (see FIG. 6).

また、第３図及び第10図に示すように、固定部材１に
対して回転部材４が回動する回動中心となる回転付勢部
材としてのトーションバー８の一端側には適宜長さで左
右両側に一条づつ係合突起8aが形成されており、トーシ
ョンバー８の他端側には屈曲部8bが形成されている。As shown in FIGS. 3 and 10, one end of a torsion bar 8 as a rotation urging member serving as a rotation center around which the rotation member 4 rotates with respect to the fixed member 1 has an appropriate length. Engagement projections 8a are formed one by one on both left and right sides, and a bent portion 8b is formed on the other end side of the torsion bar 8.

さらに、第７図に示すように、回転端５の軸穴７には
雄ねじ部材９の円形外周部10が嵌合されるが、この円形
外周部10の左右両側には一条づつ係合溝10aが形成され
ている。また、雄ねじ部材９の内部には偏心した長穴状
の軸穴11が貫通形成されており、雄ねじ部材９の円形外
周部10以外の外周部には台形ねじで且つ多条ねじの雄ね
じ部12が形成されている。Further, as shown in FIG. 7, a circular outer peripheral portion 10 of a male screw member 9 is fitted into the shaft hole 7 of the rotating end 5, and an engaging groove 10 a is provided on each of the left and right sides of the circular outer peripheral portion 10. Are formed. An eccentric long hole-shaped shaft hole 11 is formed through the inside of the male screw member 9, and a trapezoidal screw and a multi-thread male screw portion 12 are formed on the outer peripheral portion of the male screw member 9 other than the circular outer peripheral portion 10. Are formed.

固定部材１の雌ねじ部としての他方の固定端13の円筒
内周部は雄ねじ部材９の雄ねじ部12と螺合する雌ねじ部
14に形成されている。そして、雄ねじ部12と雌ねじ部14
との螺合部位には粘性グリスが封入される。A cylindrical inner peripheral portion of the other fixed end 13 as a female screw portion of the fixing member 1 is a female screw portion screwed with the male screw portion 12 of the male screw member 9.
14 is formed. Then, the male screw part 12 and the female screw part 14
Viscous grease is sealed in the screwing portion with the above.

なお、図において符号16は固定端13を固定部材１に固
定するビス，符号17はキャップを示している。In the drawing, reference numeral 16 denotes a screw for fixing the fixed end 13 to the fixing member 1, and reference numeral 17 denotes a cap.

次に、本実施例の組み立てについて述べる。 Next, the assembly of this embodiment will be described.

固定部材１の一方の固定端２の軸穴３と回転部材４の
回転端５の貫通孔６とを略合せてトーションバー８を貫
通孔６に整合すると共に、トーションバー８の係合突起
8aを貫通孔６の貫通溝6aに整合してトーションバー８を
回転体５の軸穴７側より挿入する。そしてトーションバ
ー８の先端が回転端５より突出した後には、トーション
バー８と一方の固定端２の軸穴３と整合すると共に、ト
ーションバー８の係合突起8aを軸穴３の係合溝3aに整合
してトーションバー８を軸穴３に挿入して係止する。The torsion bar 8 is aligned with the through hole 6 by substantially aligning the shaft hole 3 of one fixed end 2 of the fixed member 1 with the through hole 6 of the rotating end 5 of the rotating member 4, and the engaging projection of the torsion bar 8.
The torsion bar 8 is inserted from the shaft hole 7 side of the rotating body 5 while aligning the 8a with the through groove 6a of the through hole 6. After the tip of the torsion bar 8 protrudes from the rotating end 5, the torsion bar 8 is aligned with the shaft hole 3 of the one fixed end 2, and the engaging projection 8 a of the torsion bar 8 is engaged with the engaging groove of the shaft hole 3. The torsion bar 8 is inserted into the shaft hole 3 and locked in alignment with 3a.

一方、雄ねじ部材９の雄ねじ部12に粘性グリスを塗布
した後、この雄ねじ部材９に、雄ねじ部12に雌ねじ部14
がほぼ完全に螺合する状態まで固定端13を取付け、この
ような状態の雄ねじ部材９の軸穴11にトーションバー８
の屈曲部8bを挿入掛止させてトーションバー８を捩る。
そして雄ねじ部材９の係合溝10aを回転端５の係合突起7
aに係合させて、雄ねじ部材９の円形外周部10を回転端
５の軸穴７に嵌合させる。On the other hand, after applying viscous grease to the male screw portion 12 of the male screw member 9, the male screw member 9 is provided with a female screw portion 14.
The fixed end 13 is attached until the screw is almost completely engaged with the torsion bar 8 in the shaft hole 11 of the male screw member 9 in such a state.
The torsion bar 8 is twisted by inserting and bending the bent portion 8b.
Then, the engaging groove 10a of the male screw member 9 is
a, the circular outer peripheral portion 10 of the male screw member 9 is fitted into the shaft hole 7 of the rotating end 5.

この時のトーションバー８の捩りにより回転部材４の
固定部材１に対するトルクが決定される。The torque of the rotating member 4 with respect to the fixed member 1 is determined by the torsion of the torsion bar 8 at this time.

尚、トーションバー８の組付は他の方法によることも
できる。即ち、回転部材４が全開状態にあるとき、自由
状態にあるトーションバー８の両端を固定端２と雄ねじ
部材９に単に係止させるだけでも良い。この場合回転部
材４の閉方向の回転でトーションバー８に開方向の付勢
エネルギーが蓄積されることになる。また、トーション
バー８の捩り方向で回転部材４の開き勝手，閉じ勝手が
決められる。そして、他方の固定端13を固定部材１にビ
ス16で止めて、キャップ17をかぶせて組み立てが完了す
る。The torsion bar 8 can be assembled by another method. That is, when the rotating member 4 is in the fully opened state, both ends of the torsion bar 8 in the free state may be simply locked to the fixed end 2 and the male screw member 9. In this case, the urging energy in the opening direction is accumulated in the torsion bar 8 by the rotation of the rotating member 4 in the closing direction. The opening and closing of the rotating member 4 are determined by the torsion direction of the torsion bar 8. Then, the other fixed end 13 is fixed to the fixing member 1 with the screw 16 and the cap 17 is put on to complete the assembly.

このように組み立てられた本実施例においては、回転
部材４は固定部材１に対して雄ねじ部材９を枢軸として
回転するが、回転部材４を回転させるトーションバー８
の付勢力は、雄ねじ部12と雌ねじ部14との螺合部位、雄
ねじ部材９の円形外周部10と回転体５の軸穴７との摺動
部位及び雄ねじ部材９の軸穴11とトーションバー８の屈
曲部8bとの摺動部位にそれぞれ生じる摩擦力によって抑
制されることとなり、回転部材４の固定部材１に対する
フリーストップ機能をより確実なものとすることができ
る。In this embodiment assembled as described above, the rotating member 4 rotates about the male screw member 9 as a pivot with respect to the fixed member 1, but the torsion bar 8 for rotating the rotating member 4.
The urging force is the screwing portion between the male screw portion 12 and the female screw portion 14, the sliding portion between the circular outer peripheral portion 10 of the male screw member 9 and the shaft hole 7 of the rotating body 5, the shaft hole 11 of the male screw member 9 and the torsion bar. As a result, the rotation of the rotating member 4 with respect to the fixed member 1 can be more reliably performed by the free stop function.

また、雄ねじ部12と雌ねじ部14との螺合部位に封入さ
れる粘性グリスは回転部材４の回動に際して粘性抵抗を
示す。The viscous grease sealed in the threaded portion between the male screw portion 12 and the female screw portion 14 exhibits a viscous resistance when the rotating member 4 rotates.

なお、本実施例では回転付勢部材にトーションバーを
用いたが、捩りコイルスプリングでもよい。In this embodiment, a torsion bar is used as the rotation urging member, but a torsion coil spring may be used.

［発明の効果］ 以上説明したように本発明は、回転部材と固定部材と
の間に回転付勢部材を挿入すると共に、回転部を雄ねじ
部材と雌ねじ部との螺合による構成としたので、開閉機
構と軸部材とが一体化されてコンパクトに設計できると
共に、機構部が露出しないので外観上良好である。[Effects of the Invention] As described above, according to the present invention, the rotation urging member is inserted between the rotation member and the fixed member, and the rotation part is configured by screwing the male screw member and the female screw part. The opening / closing mechanism and the shaft member are integrated so that the design can be made compact, and the appearance is good because the mechanism is not exposed.

また、本発明は上記した構造の機構部を具備している
ので構造が簡単で組み立てが容易であると共に、水平軸
タイプ及び垂直軸タイプの両者に併用することができ適
用範囲は広くなる。Further, since the present invention is provided with the mechanism having the above-described structure, the structure is simple and easy to assemble. In addition, the present invention can be used in combination with both the horizontal axis type and the vertical axis type, and the applicable range is widened.

また、本発明においては回動付勢部材の捩り方向で開
き勝手，閉じ勝手のどちらにも利用できると共に、その
付勢力を捩りの増減によって容易に制御することができ
る。Further, in the present invention, the rotating urging member can be used for both opening and closing in the torsion direction, and the urging force can be easily controlled by increasing or decreasing the torsion.

さらに、回転付勢部材の付勢力は雄ねじ部材と雌ねじ
部との螺合部位、雄ねじ部材と回転部材との摺動部位及
び回転付勢部材と雄ねじ部材との摺動部位における摩擦
力によって抑制されるので、回転部材の固定部材に対す
るフリーストップ機能をより確実なものとすることがで
きる。Further, the urging force of the rotation urging member is suppressed by the frictional force at the screwing portion between the male screw member and the female screw portion, the sliding portion between the male screw member and the rotating member, and the sliding portion between the rotation urging member and the male screw member. Therefore, the free stop function of the rotating member with respect to the fixing member can be further ensured.

また、雄ねじ部材と雌ねじ部との間に封入される粘性
グリスは回転部材の回動に際して粘性抵抗を付与するの
で、回転部材の急激な回動を防止することができる。Further, the viscous grease sealed between the male screw member and the female screw portion gives viscous resistance when the rotating member rotates, so that it is possible to prevent the rotating member from suddenly rotating.

【図面の簡単な説明】[Brief description of the drawings]

第１図乃至第12図は本発明に係る一実施例を示すもの
で、第１図は断面図、第２図は第１図のII−II線断面
図、第３図は第１図のIII−III線断面図、第４図は第１
図のIV−IV線断面図、第５図は第１図のＶ−Ｖ線断面
図、第６図は第１図のVI−VI線断面図、第７図は第１図
のVII−VII線断面図、第８図は第１図のVIII−VIII線断
面図、第９図は一方の固定端の斜視図、第10図はトーシ
ョンバーの斜視図、第11図は回転端の部分斜視図、第12
図は雄ねじ部材の部分斜視図である。 １……固定部材、２……一方の固定端、 ４……回転部材、５……回転端、 ８……トーションバー（回転付勢部材）、 ９……雄ねじ部材、 13……他方の固定端（雌ねじ部）。1 to 12 show an embodiment according to the present invention. FIG. 1 is a sectional view, FIG. 2 is a sectional view taken along line II-II of FIG. 1, and FIG. 3 is a sectional view of FIG. III-III sectional view, FIG.
FIG. 5 is a sectional view taken along the line IV-IV of FIG. 5, FIG. 5 is a sectional view taken along the line VV of FIG. 1, FIG. 6 is a sectional view taken along the line VI-VI of FIG. 8 is a sectional view taken along line VIII-VIII of FIG. 1, FIG. 9 is a perspective view of one fixed end, FIG. 10 is a perspective view of a torsion bar, and FIG. 11 is a partial perspective view of a rotating end. Fig. 12,
The figure is a partial perspective view of the male screw member. 1 ... fixed member, 2 ... one fixed end, 4 ... rotating member, 5 ... rotating end, 8 ... torsion bar (rotation urging member), 9 ... male screw member, 13 ... other fixed End (female thread).

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】回転部材の枢支構造が固定部材側に形成さ
れた雌ねじ部とこの雌ねじ部に一端側が螺合されかつ他
端側が前記回転部材内に回転を拘束されて摺動可能に設
けられた雄ねじ部材とからなり、前記雄ねじ部材と回転
部材との間に回転部材を回転付勢する回転付勢部材が挿
入されていることを特徴とする蝶番装置。A pivoting structure for a rotating member is provided on a fixed member side with a female screw portion, one end of which is screwed to the female screw portion, and the other end of which is slidably provided with the rotation restricted within the rotating member. A hinge device comprising a male screw member provided therein, and a rotation urging member for rotationally urging the rotation member is inserted between the male screw member and the rotation member. 【請求項２】前記雌ねじ部と雄ねじ部材との螺合部位に
粘性グリスが封入されている請求項（１）記載の蝶番装
置。2. The hinge device according to claim 1, wherein viscous grease is sealed in a threaded portion between the female screw portion and the male screw member.