JPS62270837A - Rotary damper - Google Patents

Rotary damper

Info

Publication number
JPS62270837A
JPS62270837A JP11082386A JP11082386A JPS62270837A JP S62270837 A JPS62270837 A JP S62270837A JP 11082386 A JP11082386 A JP 11082386A JP 11082386 A JP11082386 A JP 11082386A JP S62270837 A JPS62270837 A JP S62270837A
Authority
JP
Japan
Prior art keywords
casing
receiving rotor
force
rotor
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP11082386A
Other languages
Japanese (ja)
Inventor
Hidenori Sugano
秀則 菅野
Masanori Watanabe
正徳 渡辺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Seiki KK
Original Assignee
Fuji Seiki KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Seiki KK filed Critical Fuji Seiki KK
Priority to JP11082386A priority Critical patent/JPS62270837A/en
Publication of JPS62270837A publication Critical patent/JPS62270837A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00Vibration-dampers; Shock-absorbers
    • F16F7/02Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together
    • F16F7/04Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together in the direction of the axis of rotation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)

Abstract

PURPOSE:To facilitate regulation of rotation torque of an object to be rotated, by a method wherein, in a damper which absorbs and relieves a shock produced during the stop of an object to be rotated, e.g. door, a brake regulating member is forward and backward movably mounted to a receiving rotor rotatably contained in a casing. CONSTITUTION:A casing 2 of a rotary damper 1 is formed approximately in the shape of a cylinder with a proper length in a way that a hollow inner chamber 21 is formed, and a shaft 3 to be braked, being the rotary base part of an object to be rotated, is inserted in a shaft hole 22 formed in the one end part of the casing 2. A receiving rotor 4 is mounted to the hollow chamber 21, and a coil spring 5, with which a one-way clutch mechanism is formed, is contained in a recessed part 41 in the one end part of the rotor 4. Plural flexible O-rings 6 made of resilient rubber or synthetic resin are situated between the wall surface of the hollow inner chamber 21 and the outer peripheral surface f the receiving rotor 4, and the tip of an outer peripheral rib part 73 of an approximately capform brake regulating member 7, threadedly joined with a female screw part 43 of the casing 2, is brought into contact with the outermost O-ring 6.

Description

【発明の詳細な説明】 3、発明の詳細な説明 〈産業上の利用分野〉 本発明は、回転対象物における停止時の衝享を吸収緩和
するためのダンパに関する。
Detailed Description of the Invention 3. Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a damper for absorbing and mitigating impact on a rotating object when it is stopped.

〈従来例および問題点〉 一般に、回転物が停止するときの衝箪を緩和するものと
して、回転基部の支軸に制動用のスプリング又は液体の
粘性抵抗、さらには回転部の摩擦抵抗を利用した回転ダ
ンパを配設することか考えられている。また、建物用ド
アのように水平回転するものについては、閉成方向へ回
転付勢するためのスプリング又は油圧機構とその付勢力
による回転トルクを制動するため上記のダンパ機構を併
用するものが知られている。
<Conventional examples and problems> In general, in order to alleviate the impact when a rotating object stops, a braking spring or the viscous resistance of a liquid on the support shaft of the rotating base, or the frictional resistance of the rotating part is used. Consideration is being given to installing a rotating damper. Furthermore, for items that rotate horizontally, such as building doors, it is known that a spring or hydraulic mechanism is used to bias the rotation in the closing direction, and the damper mechanism described above is used to dampen the rotational torque caused by the biasing force. It is being

しかるに、いずれの方式においても機構が複雑・大型で
高価となったり、液漏れ事故が生じたりするものであり
、簡単な構造でダンピング力を容易にかつ随時に調整で
きるものは提案されていない。
However, in any of these systems, the mechanism is complicated, large, and expensive, and liquid leakage accidents occur, and no system has been proposed that has a simple structure and allows the damping force to be easily adjusted at any time.

特に、回転摺動部の摩擦抵抗を主として利用するダンパ
方式のものでは、液漏れの心配や周囲の温度変化による
影習がなく簡素な構成で安価に製造できる反面、適切な
ダンピング力を得るための調節をできるものがなかった
In particular, damper-type products that mainly utilize the frictional resistance of rotating and sliding parts have a simple structure and can be manufactured at low cost without worrying about liquid leakage or adverse effects due to changes in ambient temperature. There was nothing that could be adjusted.

〈問題点を解決するための手段〉 本発明は、上記の欠点を除去するために提案されたもの
であり、その目的は、主として回転摺動部の摩擦抵抗を
利用するダンパ方式を採用しつつ、 制動すべき回転対象物をその回転トルクまたは回転スピ
ードの大小に応じて任意一定のダンピング力を容易に設
定することができ、かつ使用中における回転トルクの変
動の際にも随時容易に調整できるロータリーダンパな提
供することにある。
<Means for Solving the Problems> The present invention has been proposed to eliminate the above-mentioned drawbacks, and its purpose is to adopt a damper system that mainly utilizes the frictional resistance of the rotating sliding part. , It is possible to easily set an arbitrary fixed damping force according to the rotational torque or rotational speed of the rotating object to be braked, and it can also be easily adjusted at any time when the rotational torque fluctuates during use. It is to provide a rotary damper.

本発明の他の目的は、回転対象物を伴なう既存の各種製
品に、大幅な設計変更を加えることなく適用できるロー
タリーダンパを提供することにある。
Another object of the present invention is to provide a rotary damper that can be applied to various existing products involving rotating objects without major design changes.

本発明の更に他の目的は、簡素な構成で製造コストが低
くかつ取付けの容易なロータリーダンパを提供すること
にある。
Still another object of the present invention is to provide a rotary damper with a simple structure, low manufacturing cost, and easy installation.

而して、上記の本発明の目的は、「中空内室を有して任
意の長さに形成されかつその一端部には被制動軸を回動
可能に挿通するための軸孔を有するケーシングと、該ケ
ーシング内に装填され、かつクラッチ機構を介して又は
介さずに回動可能に設けられた受力ロータと、該ケーシ
ングと受力ロータとの間に装着された1以上の圧接制動
用の柔軟なOリングと、該ケーシング内に螺入可能に装
着され、その内端部が上記Oリングに接してこれを押圧
可能に設けた制動調整部材と、からなるロータリータン
パ」によって達成される。
Therefore, the object of the present invention is to provide a casing that has a hollow interior, is formed to have an arbitrary length, and has a shaft hole at one end for rotatably inserting a shaft to be braked. , a power-receiving rotor loaded in the casing and rotatably provided with or without a clutch mechanism, and one or more press-contact braking rotors installed between the casing and the power-receiving rotor. This is achieved by a rotary tamper consisting of a flexible O-ring, and a braking adjustment member that is screwed into the casing and has its inner end in contact with the O-ring so that it can be pressed. .

〈実施例〉 次に、本発明を第1図〜3図に示された実施例に従って
、更に詳しく説明することとする。
<Example> Next, the present invention will be explained in more detail according to the example shown in FIGS. 1 to 3.

(2)は該ロータリーダンパ(1)におけるケーシング
であり、中空内室(21)を有して任意の長さの略円筒
形に形成されている。(22)は該ケーシングの一端部
に設けられた軸孔であり、回転対象物の回転基部たる被
fll動軸(3)が挿入可能に設けられてる。(23)
はケーシング(2)の開口端部の内周に設けられた雌ネ
ジ部である。
(2) is a casing of the rotary damper (1), which has a hollow interior (21) and is formed into a substantially cylindrical shape with an arbitrary length. Reference numeral (22) denotes a shaft hole provided at one end of the casing, into which a fully moving shaft (3) serving as a rotational base of a rotating object can be inserted. (23)
is a female thread provided on the inner periphery of the open end of the casing (2).

(4)は受力ロータであり、中空内室(21)に装填さ
れて正逆回動可能に支持されているとともに、その一端
部但1にはクラッチ用のコイルスプリング(5)を収納
するための凹部(41)が形成されている。
(4) is a force-receiving rotor, which is loaded into a hollow inner chamber (21) and supported so as to be rotatable in forward and reverse directions, and one end (1) of which houses a coil spring (5) for a clutch. A recess (41) is formed for this purpose.

該コイルスプリング(5)はその一端部(51)が凹部
(41)の壁面適所に係止されているとともに、他端部
は遊端とされており、いわゆるワンウェイクラッチ機構
を構成している。
The coil spring (5) has one end (51) locked in a proper position on the wall of the recess (41), and the other end is a free end, forming a so-called one-way clutch mechanism.

(41a)は凹部(41)の底部に形成された軸受凹部
である。
(41a) is a bearing recess formed at the bottom of the recess (41).

而して、被制動軸(3)の先端部付近はコイルスプリン
グ(5)の内側に接触するように軸孔(22)から凹部
(41)内に挿入され、かつ軸受凹部(41a)により
正逆回動自在に安定支持される。従って、該被制動軸(
3)は正逆いずれかの回転方向の場合にのみコイルスプ
リング(6)を巻き締めるのでロック状態となり受力ロ
ータ(4)を回転させるが、反対方向の回転ではコイル
スプリング(5)を巻戻すので空回りの滑り回転となり
受力ロータ(4)は回転しないものである。
The vicinity of the tip of the braked shaft (3) is inserted into the recess (41) through the shaft hole (22) so as to come into contact with the inside of the coil spring (5), and is properly secured by the bearing recess (41a). Stable support for reverse rotation. Therefore, the braked shaft (
In 3), the coil spring (6) is wound tightly only when the rotation direction is forward or reverse, so it becomes locked and the force-receiving rotor (4) rotates, but when the rotation is in the opposite direction, the coil spring (5) is unwound. Therefore, the rotation is idle and slips, and the force-receiving rotor (4) does not rotate.

(6)は中空内室(21)の壁面と受力ロータ(4)の
周面との間に介在配設された弾性ゴム製又は合成樹脂性
の柔軟な0リングであり、相互に隣接して受力ロータ(
4)の周面に複数嵌め付けられているとともに段部(4
2)により軸方向への移動が規制されている。
(6) is a flexible O-ring made of elastic rubber or synthetic resin that is interposed between the wall surface of the hollow inner chamber (21) and the circumferential surface of the force-receiving rotor (4), and is adjacent to each other. The force receiving rotor (
4) are fitted onto the circumferential surface of the stepped portion (4).
2) restricts movement in the axial direction.

(7)は略キャップ形状の制動調整部材であり、その外
周にはケーシング(2)の雌ネジ部(43)に噛合する
雄ネジ部(71)を有している。
(7) is a substantially cap-shaped brake adjustment member, and has a male threaded portion (71) on its outer periphery that engages with a female threaded portion (43) of the casing (2).

また、該制動調整部材(7)の内端には受力ロータ(4
)の一部を回動可能に支持するロータ受凹部(72)お
よびその外周りプ部(73)が形成されており、該制動
調整部材(7)を螺入進入することにより外周リブ部(
73)の先端が0リング(6)の側面に当接してこれを
押圧し、0リング(6)が受力ロータ(4)の軸方向に
圧縮変形されるように設けられている。
Further, a force receiving rotor (4) is provided at the inner end of the brake adjustment member (7).
) is formed with a rotor receiving recess (72) that rotatably supports a portion of the outer circumferential rib portion (73).
The tip of the O-ring (6) contacts and presses the side surface of the O-ring (6), and the O-ring (6) is compressed and deformed in the axial direction of the force-receiving rotor (4).

(74)は制動調整部材(7)の外端面に設けられた回
動用溝である。
(74) is a rotation groove provided on the outer end surface of the brake adjustment member (7).

従って、この制動調整部材(7)による押圧力を調節す
ることにより0リング(6)とケーシング(2)の内面
および0リング(6)受力ロータ(4)との摩擦制動力
を自由にコントロールすることができるものである。
Therefore, by adjusting the pressing force of this braking adjustment member (7), you can freely control the frictional braking force between the O-ring (6), the inner surface of the casing (2), and the O-ring (6) and the force-receiving rotor (4). It is something that can be done.

なお、摩擦力を均等に作用させるため、0リング(6)
にグリス等の潤滑剤を付与しておくことが望ましい。ま
た、図中(8)はロック用ナツトであり必要に応じて設
けるものとする。
In addition, in order to apply the friction force evenly, use the O ring (6).
It is desirable to apply a lubricant such as grease to the Further, (8) in the figure is a locking nut, which may be provided as necessary.

また、第3図に示すように、クラッチ機構を設けずに、
被制動軸(3)を受力ロータ(4)と一体に連設固定し
てケーシング(2)から突出するように設けることによ
り、正逆いずれの回転方向の際にも、所定のダンピング
作用を持つものとしてもよい。
Moreover, as shown in Fig. 3, without providing a clutch mechanism,
By fixing the braked shaft (3) integrally with the force-receiving rotor (4) and protruding from the casing (2), a predetermined damping effect can be achieved in both forward and reverse rotation directions. It may be something you have.

第2図には第1図に示すロータリーダンパ(1)をドア
(D)に適用した実施例が示されている。
FIG. 2 shows an embodiment in which the rotary damper (1) shown in FIG. 1 is applied to a door (D).

(S)はドア(D)の上部と部屋壁(If)との間に介
設された上ヒンジであり、ドアを常態において閉成方向
に付勢するためのスプリング等の駆動源(図示せず)を
内蔵している。
(S) is an upper hinge interposed between the upper part of the door (D) and the room wall (If), and is a driving source such as a spring (not shown) that biases the door in the closing direction under normal conditions. ) is built-in.

(100)は下ヒンジである。 而して、ロータリーダ
ンパ(1)を下ヒンジ(100)に近接して部屋壁(I
f)に固定し、一方、被制動軸たるヒンジピン(3)を
下ヒンジ(100)に挿通するとともにそのドア側片(
101)に止めネジ等により固定したものである。
(100) is the lower hinge. Therefore, the rotary damper (1) is placed close to the lower hinge (100) on the room wall (I).
f), and on the other hand, the hinge pin (3), which is the shaft to be braked, is inserted into the lower hinge (100) and the door side piece (
101) with a set screw or the like.

ここで、コイルスプリング(5)をドア(D)の閉成時
に巻き締まる方向に配設することにより、ドアの閉成回
転のときダンパ(1)が作動するので、駆動源によるド
アの回転トルクは減殺されてゆっくりとした閉成動作が
なされるものである。しかも、この閉成動作のスピード
は駆動源によるドアの回転トルクに応じて制動調整部材
(7)の螺入量を調整することにより適切にかつ簡単に
所望のスピードに設定することができ、またその後の随
時調節も同様に容易に行なうことができる。
By arranging the coil spring (5) in the direction in which it tightens when the door (D) is closed, the damper (1) operates when the door closes, so the rotation torque of the door due to the drive source is reduced and the closing operation is slow. Moreover, the speed of this closing operation can be appropriately and easily set to a desired speed by adjusting the screwing amount of the brake adjustment member (7) according to the rotational torque of the door by the drive source. Subsequent adjustments can be made easily as well.

〈効 果〉 本発明によれば、回転対象物の最終停止点での大きな衝
磐音や振動の発生を防止し得るとともに、閉成動作全体
に遅すぎ感、早すぎ感のないスムーズな開成動作を実現
することができる。
<Effects> According to the present invention, it is possible to prevent the occurrence of large impact noises and vibrations at the final stopping point of the rotating object, and also to achieve smooth opening without feeling that the entire closing operation is too slow or too fast. operation can be realized.

また、全体形状を小型にすることができる等、前述の目
的をよく達成するものである。
Moreover, the above-mentioned objects can be achieved well, such as the overall shape can be made compact.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本発明実施例を示すものであり、第1図は本発明
に係るロータリーダンパの中央縦断面図、第2図はその
使用例を示す正面図、第3図は他の実施例を示す中央縦
断面図、である。 (1) −−−−−ロータリーダンパ (2)−−−−ケーシング (3) −−−−−被制動軸 (4) −−−−−一 受力ロータ (41) −−−−−−連結凹部 (42)−−−一 段部 (5)−−−−−コイルスプリング (6) −−−−0リング (7) −−−−−一 制動調整部材 (73)−−−−リプ部 第2図 W
The drawings show embodiments of the present invention; FIG. 1 is a central vertical cross-sectional view of a rotary damper according to the present invention, FIG. 2 is a front view showing an example of its use, and FIG. 3 is a diagram showing another embodiment. It is a central vertical cross-sectional view. (1) ------- Rotary damper (2) ---- Casing (3) ---- Braked shaft (4) -------1 Force receiving rotor (41) ------- Connection recess (42)---1 Stepped part (5)---Coil spring (6)---0 ring (7)---1 Brake adjustment member (73)------Rip Part 2 Figure W

Claims (1)

【特許請求の範囲】 1、中空内室を有して任意の長さに形成さ れ、かつその一端部には被制動軸を回動可 能に挿通するための軸孔を有するケーシン グと、 該ケーシング内に装填され、かつクラッ チ機構を介して又は介さずに回動可能に設 けられた受力ロータと、 該ケーシングと受力ロータとの間に装着 された1以上の圧接制動用の柔軟なOリン 2グと、 該ケーシング内に螺入可能に装着され、 その内端部が上記Oリングに接してこれを 押圧可能に設けた制動調整部材と、 からなるロータリーダンパ。 2、クラッチ機構が、被制動軸の正逆いずれか一方の回
転に際してのみ受力ロータに回 転力を伝達し得るように設けてなる前記特 許請求の範囲第1項記載のロータリーダン パ。 3、クラッチ機構が、コイルスプリングを素材としてな
り、その一端が受力ロータに固 定されるとともに他端は遊端とされ、かつ 被制動軸が内接して回転可能となるように 配設されてなる前記特許請求の範囲第2項 記載のロータリーダンパ。
[Scope of Claims] 1. A casing having a hollow interior, formed to have an arbitrary length, and having a shaft hole at one end for rotatably inserting a braked shaft; a force-receiving rotor loaded in the casing and rotatably provided with or without a clutch mechanism; and one or more flexible O for press-contact braking installed between the casing and the force-receiving rotor. A rotary damper comprising: a ring; and a braking adjustment member which is screwed into the casing and whose inner end is in contact with the O-ring so as to be able to press the O-ring. 2. The rotary damper according to claim 1, wherein the clutch mechanism is provided so as to be able to transmit rotational force to the force-receiving rotor only when the braked shaft rotates in either the forward or reverse direction. 3. The clutch mechanism is made of a coil spring, one end of which is fixed to the force-receiving rotor, and the other end is a free end, and is arranged so that the shaft to be braked is inscribed and rotatable. The rotary damper according to claim 2.
JP11082386A 1986-05-16 1986-05-16 Rotary damper Pending JPS62270837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11082386A JPS62270837A (en) 1986-05-16 1986-05-16 Rotary damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11082386A JPS62270837A (en) 1986-05-16 1986-05-16 Rotary damper

Publications (1)

Publication Number Publication Date
JPS62270837A true JPS62270837A (en) 1987-11-25

Family

ID=14545562

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11082386A Pending JPS62270837A (en) 1986-05-16 1986-05-16 Rotary damper

Country Status (1)

Country Link
JP (1) JPS62270837A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0475619A (en) * 1990-07-18 1992-03-10 Matsushita Electric Ind Co Ltd Toilet device
US5542505A (en) * 1995-05-26 1996-08-06 Vadnais Technologies Corporation Torque limiting device with restraining mechanism
JP2004183888A (en) * 2002-11-22 2004-07-02 Tok Bearing Co Ltd Rotary damper
JP2005090727A (en) * 2003-09-19 2005-04-07 Tok Bearing Co Ltd Bidirectional rotating damper
JP2020041583A (en) * 2018-09-10 2020-03-19 Kyb株式会社 Granular material damper

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5916582U (en) * 1982-07-26 1984-02-01 齋田 ミツ A dried cushion that can be used as a disaster prevention tool

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5916582U (en) * 1982-07-26 1984-02-01 齋田 ミツ A dried cushion that can be used as a disaster prevention tool

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0475619A (en) * 1990-07-18 1992-03-10 Matsushita Electric Ind Co Ltd Toilet device
US5542505A (en) * 1995-05-26 1996-08-06 Vadnais Technologies Corporation Torque limiting device with restraining mechanism
JP2004183888A (en) * 2002-11-22 2004-07-02 Tok Bearing Co Ltd Rotary damper
JP4562367B2 (en) * 2002-11-22 2010-10-13 トックベアリング株式会社 Rotating damper
JP2005090727A (en) * 2003-09-19 2005-04-07 Tok Bearing Co Ltd Bidirectional rotating damper
JP2020041583A (en) * 2018-09-10 2020-03-19 Kyb株式会社 Granular material damper

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